Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the engine test stand and the use method thereof, and the engine test stand is better in stability, can optimize the mounting process during the test, reduces the labor intensity, improves the working efficiency and reduces the potential safety hazard.
In order to solve the technical problems, the present invention provides the following first technical scheme:
The utility model provides an engine test bench, includes first stand, second stand, third stand and connect in crossbeam between first stand and the second stand, engine test bench still includes technology gearbox and assistance utensil, technology gearbox one side with the crossbeam is connected, the opposite side with the third stand is connected, assistance utensil selectivity locates technology gearbox with between the crossbeam, after the engine is followed on the engine test bench, assistance utensil connect in technology gearbox with between the crossbeam so that technology gearbox keeps firm.
In some preferred embodiments, the auxiliary tool comprises a first connecting piece and an adjusting piece, wherein the first connecting piece comprises a long threaded end connected with the process gearbox, the adjusting piece is movably sleeved on the long threaded end, and the adjusting piece moves along the long threaded end to be tightly attached to the process gearbox so as to realize the stability of the process gearbox.
In some preferred embodiments, the other end of the first connector is connected to the cross beam.
In some preferred embodiments, the adjustment member is an adjustment nut.
In some preferred embodiments, the auxiliary tool further comprises a second connecting member, one end of the second connecting member is vertically connected with the first connecting member, and the other end of the second connecting member is connected with the cross beam.
In some preferred embodiments, the adjustment member is a travel adjustment hand wheel.
In some preferred embodiments, the second connection piece is provided with a connection point to the cross beam, said connection point being provided with at least two points of different height.
In order to solve the technical problems, the invention provides a second technical scheme as follows:
the application method of the engine test bed comprises the following steps:
after the engine performance test is completed, detaching the engine from the engine test bed;
An auxiliary tool is additionally arranged between the process gearbox and the cross beam so as to keep the process gearbox stable;
And when the engine performance test is required to be carried out again, the engine is mounted on the engine test stand, and the auxiliary tool is removed to carry out the engine performance test.
In some preferred embodiments, when the auxiliary tool is added, the method comprises the following specific steps:
after the engine performance test is completed, detaching the engine from the engine test bed;
An auxiliary tool is additionally arranged between the process gearbox and the cross beam so as to keep the process gearbox stable;
And when the engine performance test is required to be carried out again, the engine is mounted on the engine test stand, and the auxiliary tool is removed to carry out the engine performance test.
In some preferred embodiments, when the auxiliary tool is added, the method comprises the following specific steps:
sleeving the adjusting piece on the long thread end of the first connecting piece;
Inserting the long thread end of the first connecting piece into the flange end surface on the process gearbox;
connecting the other end of the first connecting piece with the cross beam;
And rotating the adjusting piece to enable the adjusting piece to move to be tightly attached to the process gearbox, and stabilizing the process gearbox.
In some preferred embodiments, when the auxiliary tool is added, the method comprises the following specific steps:
sleeving the adjusting piece on the long thread end of the first connecting piece, and connecting the first connecting piece with the second connecting piece;
inserting the long thread end of the first connecting piece into the flange end face on the process gearbox;
Selecting a proper connection point, and connecting the second connecting piece with the cross beam;
And rotating the adjusting piece to enable the adjusting piece to move to be tightly attached to the process gearbox, and stabilizing the process gearbox.
The technical scheme provided by the embodiment of the invention has the beneficial effects that:
1. The invention provides an engine test bench which comprises a first upright post, a second upright post, a third upright post, a cross beam connected between the first upright post and the second upright post, a process gearbox and an auxiliary tool, wherein one side of the process gearbox is connected with the cross beam, the other side of the process gearbox is connected with the third upright post, the auxiliary tool is selectively arranged between the process gearbox and the cross beam, and after an engine is detached from the engine test bench, the auxiliary tool is connected between the process gearbox and the cross beam so as to keep the process gearbox stable. According to the engine test bed, the process gearbox is reserved on the test bed, when a test is needed, only the engine is needed to be installed, and after the test is finished, only the engine is needed to be detached independently, and the process engine is not needed to be detached, so that the process steps are reduced, time and labor are saved, and the safety and the operation convenience are high; more importantly, by additionally installing the auxiliary tool, when the engine is dismounted in a non-test state, the stability of the process gearbox can be further improved, so that the stability of the whole engine test stand is improved, the auxiliary tool is simple in structure, and the installation or not of the auxiliary tool does not influence the installation or the disassembly of the engine and the process gearbox.
2. The application method of the engine test bed comprises the following steps: after the engine performance test is completed, detaching the engine from the engine test bed; an auxiliary tool is additionally arranged between the process gearbox and the cross beam so as to keep the process gearbox stable; when the engine performance test is needed again, the engine is mounted on the engine test stand, the auxiliary tool is removed, and the engine performance test is carried out, when the engine test stand protected by the invention is used, the process gearbox and the engine are not required to be dismounted and mounted at the same time, only the engine is required to be dismounted or mounted independently, the engine dismounting or mounting process can be completed within 10 seconds by only one operator, and the engine test stand is time-saving and labor-saving, and has higher safety and operation convenience; through installing additional and assisting the utensil for this engine test bench is lifted off the back at the engine, can consolidate the technology gearbox, overcomes owing to crossbeam on the technology gearbox and prevent that pendulum supports and have the soft connection structure of rubber, only relies on six fixing bolts on the test bench can not be fixed firm phenomenon completely, thereby further improves the steadiness of whole engine test bench, and improves the maneuverability, and assisting the utensil simple installation, also only need an operator can accomplish in 10 seconds.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "X-axis," "Y-axis," "Z-axis," "vertical," "parallel," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
An engine test stand according to the present invention will be described in detail with reference to the accompanying drawings.
Example 1. Referring first to fig. 1, this example provides an engine test stand to which an engine is mounted to perform various endurance tests and functional tests related thereto to evaluate the quality performance of the engine. The operator needs to install the engine to the engine test stand for installation preparation before the test, and the disassembly work after the test is finished, wherein the disassembly work comprises the disassembly of the engine.
The engine test stand 1 in this embodiment includes a base (not shown), a first upright 2, a second upright 3, a third upright 4 vertically disposed on the base 9 and disposed at an angle, and a cross member 5 connected between the first upright 2 and the second upright 3. The engine test bed 1 further comprises a process gearbox 6 and an auxiliary tool 7, one side of the process gearbox 6 is connected with the cross beam 5, the other side of the process gearbox 6 is connected with the third upright post 4, and the auxiliary tool 7 is selectively arranged between the process gearbox 6 and the cross beam. When the engine (not shown) is detached from the engine test stand 1, an accessory 7 is connected between the process gearbox 6 and the cross beam 5 to keep the process gearbox 6 stationary.
With continued reference to FIG. 1, the engine test stand 1 includes a process gearbox 6 in its construction, that is, the operator does not need to disassemble or install the process gearbox 6 before and after testing. The process gearbox 6 is partially suspended on the cross beam 5, and two ends of the cross beam 5 are fixedly connected with the first upright post 2 and the second upright post 3 through screws, so that the first fixed point of the process gearbox 6 is fixed. The technical gearbox 6 comprises a gearbox housing 61, a swinging support bracket 62 arranged on one side of the gearbox housing 61, and a gearbox swinging support 63 connected between the swinging support bracket 62 and the third upright 4, so that the technical gearbox 6 is prevented from swinging by being connected with the third upright 4 to realize the fixation of a second fixed point thereof, and the third upright 4 can also be called an anti-swinging upright.
However, since the anti-swing portion of the technical gearbox 6 and the upper portion of the cross beam 5 are both provided with soft rubber connections, the soft connection can generate traction force in an uncertain direction so that the technical gearbox 6 does not swing in an oriented manner. If the two fixing points are used for fixing, the process gearbox 6 still can shake. By providing the auxiliary tool 7, the process gearbox 6 can be further fixed against rattling, whereas the auxiliary tool 7 is typically connected to the process gearbox 61 via a flange end face of the process gearbox 6 located on one side of the cross beam 5 and further away from the third upright 4. The flywheel disc and the clutch pressure plate of different engine models are different, so that the structure of the gearbox housing 61 matched with the flywheel disc and the clutch pressure plate is also different, the connection position of the auxiliary tool 7 and the gearbox housing 61 is also different, and even the structure of the auxiliary tool 7 is slightly different. One end of the auxiliary tool 7 is connected with the cross beam 5, and the other end is connected with the gearbox housing 61. When the auxiliary tool 7 is connected with the gearbox housing 61, one end of the auxiliary tool may be inserted into an upper hole for fixing the starter, or one end of the auxiliary tool may be inserted into a positioning pin or a bolt hole protruding from the gearbox housing 61.
In this embodiment, an engine test stand dedicated to a TSI-type engine is taken as an example, and a transmission case 61 corresponding to the TSI-type engine has a flange end face having the same height as the cross member 5.
With further reference to fig. 2 to 3, the accessory 7 in the present embodiment includes a first connecting member 71 and an adjusting member 72, wherein the first connecting member 71 may be a variable diameter stud or a variable diameter stud, and the variable diameter stud is preferred in the present embodiment. The first connection 71 comprises a long threaded end 711 connected to the process gearbox 6 and a short threaded end 712 connected to the cross beam 5, wherein the long threaded end 711 has a diameter that is larger than the diameter of the short threaded end 712. The adjusting member 72 may be an adjusting nut or an adjusting hand wheel, and in this embodiment, the mounting position of the auxiliary tool is located above, which has a larger hand operation space, and the adjusting member preferably adjusts the adjusting nut, so that the adjusting nut has a long stroke and a higher adjusting efficiency. The adjusting piece 72 is movably sleeved on the long thread end 711, and the adjusting piece 72 moves along the long thread end 711 to be tightly attached to the connection part of the flange end face of the gearbox housing 61 so as to realize the stability of the process gearbox 6. The connection between the first connecting piece 71 and the cross beam 5 can be fixed by screwing the short threaded end 712 and a screw hole on the cross beam 5.
In the present embodiment, the connection position of the transmission case 61 and the first connection member 71 is high, and the long threaded end 711 of the first connection member 71 is connected to the bolt hole fixed to the engine end at the uppermost end of the transmission case 61.
With further reference to fig. 3, the adjusting member 72 in this embodiment is an adjusting nut, which is internally provided with an internal thread that mates with the long threaded end 711, and the adjusting member 72 is rotated, and the adjusting member 72 is axially moved along the long threaded end 711, so as to lock or unlock the auxiliary tool 7 to or from the process gearbox 6.
According to the engine test bed, the process gearbox is reserved on the test bed, the engine is only required to be installed when the test is required, and the engine is only required to be detached independently after the test is finished, so that the process gearbox and the whole engine do not need to be detached at the same time, and the process steps can be reduced by only one operator within 10 seconds, so that time and labor are saved, the working efficiency is improved, and the engine test bed has higher safety and operation convenience; more importantly, by additionally installing the auxiliary tool, when the engine is dismounted in a non-test state, the stability of the process gearbox can be further improved, so that the stability of the whole engine test stand is improved, the mounting of the auxiliary tool does not influence the dismounting of the engine and the process gearbox, and the mounting of the auxiliary tool can be completed within 10 seconds by only one operator, so that the process is very convenient.
Embodiment 2. This embodiment provides a method for using the engine test stand according to embodiment 1, which specifically comprises the following steps:
after the performance test of the engine is completed, the engine is detached from the engine test bed 1;
An auxiliary tool 7 is additionally arranged between the process gearbox 6 and the cross beam 5 so as to keep the process gearbox 6 stable;
When the engine performance test is required again, the engine is mounted on the engine test stand 1, and the auxiliary tool 7 is removed to perform the engine performance test.
Therefore, during specific operation, the process gearbox 6 is still remained on the engine test bench 1 only by detaching the engine before and after the test, so that the steps of detaching the process gearbox 6 are reduced, and the process is simplified. In addition, the disassembly and the assembly of the process gearbox 6 and the engine can be performed on the engine test bed without being performed on the bottom surface, so that an operator can more clearly and accurately align the center hole of the clutch pressure plate at the engine end with the spline shaft of the process gearbox, and the accuracy and the rapidness of operation are further improved. When the method is used for dismounting the engine, the overhead travelling crane has smaller volume when lifting the engine, can pass through the upright posts and enter the test bed from the side surface for mounting, does not need to rise to the top of the upright posts and the head of an operator, and has higher safety.
In this embodiment, an engine test stand dedicated to a TSI-type engine is taken as an example, and the auxiliary 7 is also a dedicated auxiliary tool of the engine test stand of the TSI-type engine. When the auxiliary tool 7 is additionally arranged, the method comprises the following specific steps:
s1, sleeving the adjusting piece 72 on the long thread end 711 of the first connecting piece 71;
S2, inserting the long thread end 711 of the first connecting piece 71 into a bolt hole on the process gearbox 6;
s3, connecting the other end of the first connecting piece 71 with the cross beam 5;
s4, rotating the adjusting piece 72 to enable the adjusting piece to move to be close to the process gearbox 6, and stabilizing the process gearbox 6 is achieved.
Because the gearbox housing 61 for a TSI-type engine is relatively tall and has a flanged end face of equal height as the cross beam 5. Therefore, the two ends of the first connecting piece 71 are only required to be connected with the technical gearbox 6 and the cross beam 5 respectively during installation. Wherein the first connection piece 71 is in particular connected to a flange end face, in particular a dowel pin or a bolt hole, on the gearbox housing 61 of the process gearbox 6.
In this embodiment, through the increase of assisting the utensil, under the condition that technology gearbox is totally firm, when installing the engine, single just can accomplish, and need not three people cooperate jointly before, just can accomplish the installation of both, through statistics, assisting the dress or dismantle of utensil, only need an operator can accomplish in 10S, the installation of engine just needs an operator in 10S just once again can accomplish installation or dismantlement, for the installation time of 25min before, obviously improved work efficiency greatly.
Embodiment 3 referring first to fig. 6, this embodiment provides a universal engine test stand, which is suitable for any type of engine, as compared to embodiment 1.
With further reference to fig. 5 to 9, the auxiliary tool 10 in the present embodiment includes a first connecting member 11, a second connecting member 12, and an adjusting member 13, wherein one end of the second connecting member 12 is vertically connected to the first connecting member 11, and the other end of the second connecting member 12 is connected to the cross beam 5. In contrast to embodiment 1, in this embodiment, by adding the second connecting member 12, the longitudinal position of the auxiliary tool 12 can be adjusted according to different engine structures.
The first connecting member 11 may be a variable-diameter stud or a variable-diameter stud, and the variable-diameter stud is preferable in this embodiment. The first connection 11 comprises a long threaded end 111 connected to the process gearbox 6 and a short threaded end 112 connected to the second connection 12, wherein the long threaded end 111 has a diameter which is larger than the diameter of the short threaded end 112. With further reference to fig. 8, the second connecting member 12 in this embodiment is provided with a connection point 121 to the cross beam 5, and the connection point 121 is provided with at least two points of different heights, that is, we can select the connection point 121 of the second connecting member 12 to the cross beam 5 according to different height requirements. In order to simplify the structure, the second connecting member 12 in the present embodiment is a baffle plate provided with a plurality of connecting holes as the connecting points 121.
Since the technical gearbox 6 in this embodiment has different structures, the connection position between the first connecting member 11 and the gearbox housing 61 is also suitable for local situations. The typical connection location is a flange end face of the process gearbox 6 located on one side of the cross beam 5 and further away from the third upright 4, optionally as follows: an upper hole for fixing the starter, a positioning pin protruding from the transmission case 61 itself, or a bolt hole fixed to the engine end, etc.
Further referring to fig. 9, the adjusting member 13 may be an adjusting nut or an adjusting hand wheel, and in this embodiment, since the process gearbox 6 has different structures, the installation position of the auxiliary tool 10 is not fixed, so the adjusting member 13 is preferably an adjusting hand wheel, and the adjusting member is small and can adapt to different operation spaces. The adjusting piece 13 is movably sleeved on the long thread end 111, and is internally provided with an internal thread matched with the long thread end 111. The adjusting hand wheel is rotated to axially move along the long thread end 111 to be tightly attached to the connection part of the flange end face of the gearbox housing 61, so that the process gearbox 6 is stable.
In this embodiment, the first connecting piece 11 and the second connecting piece 12, and the second connecting piece 12 and the cross beam 5 can be both realized by screwing, and the first connecting piece 11 and the second connecting piece 12 are fixedly connected by the short threaded end 112 and the M8 standard nut, and the baffle and the cross beam 5 are fixedly connected by the M8 standard bolt and the M8 standard nut.
According to the engine test bed, the process gearbox is reserved on the test bed, the engine is only required to be installed when the test is required, and the engine is only required to be detached independently after the test is finished, so that the process gearbox and the whole engine do not need to be detached at the same time, and the process steps can be reduced by only one operator within 10 seconds, so that time and labor are saved, the working efficiency is improved, and the engine test bed has higher safety and operation convenience; more importantly, by additionally installing the auxiliary tool, when the engine is dismounted in a non-test state, the stability of the process gearbox can be further improved, so that the stability of the whole engine test stand is improved, the mounting of the auxiliary tool does not influence the dismounting of the engine and the process gearbox, and the mounting of the auxiliary tool can be completed within 10 seconds by only one operator, so that the process is very convenient.
Embodiment 4. This embodiment provides a method for using the engine test stand according to embodiment 3, which comprises the following steps:
after the performance test of the engine is completed, the engine is detached from the engine test bed 1;
an auxiliary tool 10 is additionally arranged between the process gearbox 6 and the cross beam 5 so as to keep the process gearbox 6 stable;
When the engine performance test is required again, the engine is mounted on the engine test stand 1, and the auxiliary tool 10 is removed to perform the engine performance test.
When the auxiliary tool 10 is additionally arranged, the method comprises the following specific steps:
s1, sleeving an adjusting piece 13 on a long thread end 111 of a first connecting piece 11, and connecting the first connecting piece 11 with a second connecting piece 12;
S2, inserting the long thread 111 end of the first connecting piece 11 into the flange end surface on the process gearbox 6;
s3, selecting a proper connection point 121, and connecting the second connecting piece 12 with the cross beam 5;
S4, rotating the adjusting piece 12 to enable the adjusting piece to move to be close to the gearbox housing 61, and stabilizing the process gearbox 6.
The auxiliary tool in the embodiment is provided with the second connecting piece which is vertically arranged, so that the auxiliary tool can be adjusted in the horizontal direction through the first connecting piece and can be adjusted in the vertical direction through the second connecting piece, the auxiliary tool has better universality, and the auxiliary tool is suitable for an engine test bed corresponding to any engine type.
Through the increase of assisting the utensil, under the condition that technology gearbox is firm completely, when installing the engine, single just can accomplish, and need not three people cooperate jointly before, just accomplish the installation of both, through statistics, assisting the dress or dismantle of utensil, only need an operator can accomplish in 10S, the installation of engine just need an operator in 10S just once just like can accomplish installation or dismantlement, for the installation time of 25min before, obviously improved work efficiency greatly.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.