Disclosure of Invention
In order to save materials consumed in road repair, the application provides a rammed earth structure for paving municipal engineering roads.
The rammed earth structure for paving municipal engineering roads provided by the application adopts the following technical scheme:
the utility model provides a rammed earth structure that municipal works road was laid, includes inside cavity and open-top installation section of thick bamboo, the top lid of installation section of thick bamboo has closed the apron, vertical sliding has the elevating disc in the installation section of thick bamboo, the bottom of elevating disc is provided with the slip and wears out the pressure head of installation section of thick bamboo bottom, the elevating disc with be equipped with between the interior bottom wall of installation section of thick bamboo and be annular and inside hollow gasbag, be equipped with on the installation section of thick bamboo be used for right the gasbag realizes inflatable inflation component, be used for right the gassing subassembly that the gassing was realized to the gasbag.
Through adopting above-mentioned technical scheme, the workman is at first with rammed soil structure remove to wait to ram the position, later aerify the subassembly and fill sufficient air in the gasbag, the gasbag inflation to drive the pressure head upward movement through the elevating disc. After that, the air in the air bag is rapidly discharged by the air discharging component, the air bag is contracted at a high speed, and the pressure head is accelerated to fall down and smash on the soil body under the action of gravity, so that the soil tamping is realized. The application has simple structure and relatively small volume, thus being capable of tamping soil on long and narrow special sites which are difficult to be unfolded by large-scale tamping machines, reducing the possibility of sinking the road and saving the materials consumed by road repair.
Optionally, the subassembly of aerifing includes inside cavity and open-top's inflation barrel, the installation section of thick bamboo is located in the inflation barrel, the top of inflation barrel is provided with the ring lid, be provided with the cylinder on the ring lid, the piston rod of cylinder stretches into in the inflation barrel and be connected with the inflation annular plate, the inflation annular plate with the installation section of thick bamboo the inflation annular plate with the inflation barrel is all hugged closely, it has the inlet port to be close to on the inflation barrel the position of ring lid has been seted up, the inlet end of gasbag with the inner chamber of inflation barrel communicates with each other.
Through adopting above-mentioned technical scheme, the workman starts the cylinder, and the piston rod of cylinder stretches out to drive and aerify the ring board and move downwards, after aerify the ring board and move to being less than the inlet port, aerify the ring board and impress the gasbag with the air between the barrel with the installation section of thick bamboo and the barrel of aerifing in, so realized the inflation to the gasbag.
Optionally, the gassing subassembly is including rotating the setting in the ring gear of mounting cylinder bottom, the ring gear with the outer bottom wall of mounting cylinder is hugged closely, open on the ring gear has the exhaust hole, the end of giving vent to anger of gasbag set up in the diapire of mounting cylinder and be used for with the exhaust hole communicates with each other, be provided with the motor of electricity connection in control system on the outer wall of inflating the barrel, be provided with on the output shaft of motor meshing in the gear of ring gear.
Through adopting above-mentioned technical scheme, the workman starts the motor through control system, and the output shaft of motor passes through the gear and drives the ring gear and rotate, and the ring gear rotates to the exhaust hole and the end of giving vent to anger of gasbag communicates with each other to the air in this gasbag can discharge fast, has realized the exhaust of gasbag with this.
Optionally, the exhaust hole is circumferentially arranged on the toothed ring, and the diameters of the exhaust holes are circumferentially gradually reduced.
Through adopting above-mentioned technical scheme, the workman passes through the rotation angle of motor control ring gear to this selects the exhaust hole and the gasbag of different apertures to communicate with each other, and through the exhaust hole of different apertures, and then adjusts the exhaust speed of gasbag, and then the whereabouts speed of control pressure head is favorable to improving the ramming effect to different grade type soil layer.
Optionally, the ring gear dorsad one side of the installation section of thick bamboo is opened and is had the shutoff groove that is the ring, the exhaust hole is located the shutoff inslot, the shutoff inslot rotation is provided with the shutoff ring, it has the notch of stepping down to open on the shutoff ring, the notch of stepping down can only communicate with each other with at most one at the same time the exhaust hole.
By adopting the technical scheme, before the air bag is deflated, a worker rotates the plugging ring, so that the abdication notch on the plugging ring is rotated in advance to be communicated with the vent hole with the selected caliber, the toothed ring can drive the plugging ring to rotate synchronously, and air in the air bag can only be discharged through the vent hole communicated with the abdication notch without being influenced by vent holes with other apertures.
Optionally, the slip cap is equipped with album soil cover on the pressure head, the diameter that album soil cover is close to its bottom is along from last decurrent direction grow gradually, album soil cover with be provided with the retaining member between the pressure head.
By adopting the technical scheme, when the soil is initially rammed, the lowest part of the soil collecting cover is lower than the bottom surface of the pressure head, so that when the soil collecting cover is contacted with the soil body, part of the soil body extrudes the soil layer in the direction close to the axis of the pressure head under the action of the soil collecting cover. And then the soil collecting cover moves upwards, so that the lowest position of the soil collecting cover is higher than the ground of the pressure head, and at the moment, the pressure head can tamper the soil body more tightly by tamping the soil body of the frustum type soil body.
Optionally, the retaining member includes threaded connection the last fastening bolt of pressure head, it has the adjustment tank to open vertically on the soil collecting cover, fastening bolt is located in the adjustment tank and with sliding fit.
Through adopting above-mentioned technical scheme, the setting of adjustment tank has realized collecting soil cover on the pressure head vertical movement, and fastening bolt has made things convenient for the workman to realize adjusting collecting soil cover's position.
Optionally, polytetrafluoroethylene is coated on both the lifting disc and the pressing head.
Through adopting above-mentioned technical scheme, polytetrafluoroethylene's coefficient of friction is less to this lifting disk and pressure head can be more smooth and easy remove on the installation section of thick bamboo.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the application has simple structure and relatively small volume, thus being capable of tamping soil on long and narrow special sites which are difficult to be unfolded by large-scale tamping machines, reducing the possibility of sinking the road and saving the materials consumed by road repair;
2. before the gasbag is gassing, the workman rotates the shutoff ring for the notch that gives way on the shutoff ring rotates in advance to communicate with each other with the exhaust hole of selected bore, and the ring gear can drive the shutoff ring and rotate in step, and the air in the gasbag can only be discharged through the communicating exhaust hole of notch that gives way, and is not influenced by other aperture exhaust holes.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses a rammed earth structure for paving municipal engineering roads.
Referring to fig. 1 and 2, the rammed earth structure for paving municipal engineering roads comprises a cylindrical installation cylinder 1, wherein the installation cylinder 1 is hollow and is arranged with an open top, the top of the installation cylinder 1 is bolted with a cover plate 2, and a plurality of ventilation holes 21 are formed in the cover plate 2.
Referring to fig. 1 and 2, a lifting disk 3 is vertically slid in the installation cylinder 1, and the lifting disk 3 is tightly attached to the vertical inner wall of the installation cylinder 1. The bottom coaxial threaded connection of lifting disk 3 has the pressure head 4 of the installation section of thick bamboo 1 bottom of sliding downwards, and the longitudinal section of pressure head 4 is the setting of falling T, has the interval between the position that pressure head 4 and installation section of thick bamboo 1 bottom were supplied its slip to wear out.
Referring to fig. 1 and 2, the lifting disc 3 and the pressure head 4 are both coated with polytetrafluoroethylene, and the polytetrafluoroethylene has a low friction coefficient, so that the lifting disc 3 and the pressure head 4 can more smoothly realize vertical lifting motion on the mounting cylinder 1.
Referring to fig. 1 and 2, an annular air bag 5 with a hollow interior is placed between the lifting disk 3 and the inner bottom wall of the installation cylinder 1, an inflation assembly for inflating the air bag 5 is arranged on the installation cylinder 1, and a deflation assembly for deflating the air bag 5 is also arranged on the installation cylinder 1.
Referring to fig. 1 and 2, the air charging assembly comprises an air charging barrel 6 with a hollow interior and an open top, a mounting barrel 1 is coaxially and fixedly arranged in the air charging barrel 6, the bottom of the mounting barrel 1 penetrates out of the air charging barrel 6, and a ring cover 7 is bolted between the air charging barrel 6 and the top of the mounting barrel 1.
The ring cover 7 is bolted with two air cylinders 8, the two air cylinders 8 are symmetrically distributed about the axis of the air charging barrel 6, the piston rods of the air cylinders 8 extend into the air charging barrel 6 and are in threaded connection with an air charging ring plate 9, and the air charging ring plate 9 is tightly attached to the outer wall of the mounting barrel 1 and the inner wall of the air charging barrel 6.
A plurality of air inlets 61 are circumferentially arranged on the inflatable cylinder 6 at positions close to the ring cover 7, and the air inlet end of the air bag 5 extends into the inflatable cylinder 6 and is communicated with the inner cavity of the inflatable cylinder.
Referring to fig. 1 and 2, a worker moves the rammed earth structure to a construction position, and then activates the air cylinder 8, and the piston rod of the air cylinder 8 is extended, thereby driving the air charging ring plate 9 to move downward.
When the height of the inflatable ring plate 9 is lower than that of the air inlet hole 61, air between the mounting cylinder 1 and the inflatable cylinder 6 is pressed into the air bag 5 by the inflatable ring plate 9, and the air bag 5 expands, so that the pressure head 4 is driven to move upwards through the lifting disc 3.
Referring to fig. 1 and 2, the circumferential inner side wall and the circumferential outer side wall of the inflatable ring plate 9 are provided with sealing grooves 91, sealing rings 17 are embedded in the sealing grooves 91, and the sealing rings 17 are beneficial to improving the sealing performance between the inflatable ring plate 9 and the mounting cylinder 1 and between the inflatable ring plate 9 and the inflatable cylinder 6, so that the possibility of gas leakage during inflation of the air bag 5 is reduced.
Referring to fig. 1, 2 and 3, the deflation assembly comprises a bearing ring 10 which is coaxial and is bolted to the bottom of the installation cylinder 1, the longitudinal section of the bearing ring 10 is in an L-shaped arrangement, a toothed ring 11 is sleeved on the bearing ring 10 in a rotating way, and the toothed ring 11 is tightly attached to the bottom wall of the installation cylinder 1.
A plurality of vent hole groups are circumferentially arranged on the toothed ring 11, each vent hole group comprises a plurality of vent holes 111, and the diameters of the vent holes 111 in the same group gradually become smaller along the circumferential direction of the toothed ring 11.
The air bag 5 is provided with a plurality of air outlet ends, and one air outlet end corresponds to and is used for communicating with one air outlet hole group.
The outer side wall of the inflatable cylinder 6 is bolted with a motor 12 electrically connected with a control system, the motor 12 adopts a forward and reverse rotation motor 12 in the prior art, and a gear 13 meshed with the toothed ring 11 is fixedly sleeved on an output shaft of the motor 12.
Referring to fig. 1, 2 and 3, a worker starts a motor 12 through a control system, and an output shaft of the motor 12 drives a toothed ring 11 to rotate through a gear 13 until an exhaust hole 111 communicates with the airbag 5. At this time, air in the air bag 5 is rapidly discharged through the air discharge hole 111, the air bag 5 is rapidly contracted, and the pressure head 4 is rapidly lowered under the action of gravity so as to smash on the soil layer, thereby realizing ramming.
Referring to fig. 1, 2 and 3, when the piston rod of the cylinder 8 drives the air charging ring plate 9 to be reset upwards, the exhaust hole 111 and the air bag 5 still maintain a communicated state, and the outside air is sucked back into the air charging cylinder 6 through the exhaust hole 111 and the air bag 5.
Because each air vent group comprises a plurality of air vents 111 with different apertures, under the control of a control system, the air vents 111 with different apertures are selected to be communicated with the air bags 5, and the falling speed of the pressure head 4 is regulated through the air exhausting speed of the air bags 5, so that the soil tamping effect on soil bodies of different types is improved.
Referring to fig. 1, 2 and 3, since the ring gear 11 rotates so that the air bag 5 communicates with the appropriate vent hole 111, it may communicate with other vent holes 111, resulting in that a part of the air in the air bag 5 does not function.
Referring to fig. 1, 2 and 3, the side of the toothed ring 11 facing away from the mounting cylinder 1 is provided with a ring-shaped blocking groove 112 coaxially, the exhaust hole 111 is located in the blocking groove 112, the blocking groove 112 is provided with a blocking ring 14 in a rotating manner, and the blocking ring 14 is erected on the bearing ring 10 and is tightly attached to the toothed ring 11.
The carrier ring 10 is circumferentially provided with a plurality of relief notches 141, one relief notch 141 corresponds to one relief hole group, the caliber of the relief notch 141 is limited, and at most, the relief notch 141 can be communicated with one exhaust hole 111.
Referring to fig. 1, 2 and 3, before deflation, a worker first rotates the blocking ring 14, thereby pre-rotating the relief slots 141 to communicate with the appropriate vent holes 111, and then the motor 12 rotates the drive ring 11.
The blocking ring 14 has a blocking effect on the vent holes 111, so that even if the air bag 5 is communicated with other vent holes 111 and no air is discharged, the air can be discharged only when the air bag 5 is communicated with the vent holes 111 at the yielding notch 141.
Referring to fig. 2, in addition, the position of the ram 4 near the bottom thereof is also slidably sleeved with a soil collecting cover 15, the diameter of the soil collecting cover 15 near the bottom thereof gradually increases along the direction from top to bottom, and a locking member is provided between the soil collecting cover 15 and the ram 4.
Referring to fig. 2, when soil compaction is initially started, the lowest part of the soil collecting cover 15 is lower than the bottom surface of the pressure head 4, so that when the soil collecting cover 15 contacts with the soil, part of the soil presses the soil layer in a direction approaching to the axis of the pressure head 4 under the action of the soil collecting cover 15.
And then the soil collecting cover 15 is moved upwards, so that the lowest position of the soil collecting cover 15 is higher than the ground of the pressure head 4, and at the moment, the pressure head 4 can tamper the soil body more tightly by tamping the soil body of the frustum type soil body.
Referring to fig. 2, the locking member includes a fastening bolt 16 screwed on the ram 4, an adjusting groove 151 is vertically formed on the soil collecting cover 15, and the fastening bolt 16 is located in the adjusting groove 151 and slidably engaged with the adjusting groove. By providing the adjustment groove 151, the soil collecting cover 15 can be smoothly moved up and down.
The implementation principle of the rammed earth structure paved on the municipal engineering road provided by the embodiment of the application is as follows:
the worker moves the rammed earth structure to the construction position, then starts the cylinder 8, and the piston rod of the cylinder 8 extends out, thereby driving the air charging ring plate 9 to move downwards.
When the height of the inflatable ring plate 9 is lower than that of the air inlet hole 61, air between the mounting cylinder 1 and the inflatable cylinder 6 is pressed into the air bag 5 by the inflatable ring plate 9, and the air bag 5 expands, so that the pressure head 4 is driven to move upwards through the lifting disc 3.
The worker rotates the blocking ring 14 so that the yielding notch 141 is communicated with the vent hole 111 with the selected aperture in advance, then the motor 12 is started by the control system, and the output shaft of the motor 12 drives the toothed ring 11 and the blocking ring 14 to rotate through the gear 13 until the vent hole 111 at the yielding notch 141 is communicated with the air bag 5. At this time, air in the air bag 5 is rapidly discharged through the air discharge hole 111, the air bag 5 is rapidly contracted, and the pressure head 4 is rapidly lowered under the action of gravity so as to smash on the soil layer, thereby realizing ramming.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.