Disclosure of Invention
The invention aims to provide a large-scale transformer-based oil-gas chromatography rapid determination device, which solves the following technical problems: (1) The technical problem that the oil gas chromatography measuring device of the large-scale transformer in the prior art cannot meet the requirement of sampling and storing various oil gases, so that the measuring efficiency of the measuring device is low is solved; (2) The technical problem that the oil gas chromatography measuring device of the large-scale transformer in the prior art is inconvenient to clean a sampling tube, so that the measurement accuracy is affected when other oil gas is measured later is solved; (3) The technical problem that errors occur in measurement easily caused by too low oil temperature in an oil-gas chromatography measurement device of a large transformer in the prior art is solved.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a quick measuring device of oil gas chromatography based on large-scale transformer, includes the box, the box top is installed the box and is covered, install into the pipe on the box, install first solenoid valve on the pipe that advances, advance pipe one side fixed mounting and have the vacuum tube, install the second solenoid valve on the vacuum tube, vacuum tube one side is provided with evacuating mechanism, evacuating mechanism fixed mounting is in box inner wall top, circulation sampling mechanism is installed to box inner wall bottom, box inner wall top fixed mounting has oil gas chromatograph, install the sample needle on the oil gas chromatograph, equal fixed mounting of box both sides outer wall has the fixed plate, two guide bars of fixed plate sliding connection, two guide bar bottom fixed mounting have the support frame, box inner wall top fixed mounting has constant temperature mechanism, circulation sampling mechanism includes the track base, track base fixed mounting is in box inner wall bottom, track base is gone up to rotate and is installed rotatory chain, install a plurality of connecting rods on the rotatory chain, connecting rod one side fixed mounting has the sample needle, cylinder top fixed mounting has the cylinder top, the cylinder end portion is connected to the piston rod.
Further, the vacuumizing mechanism comprises a vacuum pump, a telescopic pipe is arranged on the vacuum pump, a side pushing cylinder is fixedly arranged on one side of the vacuum pump, the end part of a piston rod of the side pushing cylinder is connected with a connecting clamp, and the connecting clamp is fixedly connected with the telescopic pipe.
Further, a sealing sleeve is arranged at the top of the sampling tube, a third electromagnetic valve is arranged on the sealing sleeve, a driving motor is fixedly arranged at the bottom of the inner wall of the box body, an output shaft of the driving motor is connected with a belt pulley I, and a connecting shaft is rotatably arranged at the bottom of the inner wall of the box body.
Further, a belt pulley II and a transmission disc are fixedly arranged on the connecting shaft, the belt pulley I and the belt pulley II are in transmission connection through a belt, and the rotary chain and the transmission disc are matched members.
Further, two guide bar tops fixed mounting have the roof, roof top fixed mounting has the installation motor, installation motor output shaft connects first lead screw, first lead screw threaded connection fixed plate.
Further, the bottom of the box body is fixedly provided with a supporting top plate, the bottom of the supporting top plate is fixedly provided with a plurality of buffer springs, and the bottom of each buffer spring is fixedly provided with a supporting base.
Further, the constant temperature mechanism comprises a lifting cylinder, and the end part of a piston rod of the lifting cylinder is connected with the lifting shell.
Further, a connecting arm is slidably arranged on the lifting shell, and an electric heater is fixedly arranged at the bottom of the connecting arm.
The invention has the beneficial effects that:
(1) The box body and the box cover are split, so that the box body and the box cover can be combined and split, the box body and the box cover can be automatically adjusted to be automatically separated through lifting of the fixing plate through the matching design of the fixing plate, the first lead screw and the guide rod, a plurality of sampling pipes in the box body can be conveniently cleaned, and vibration generated during operation of each component in the box body and the box cover can be effectively reduced through the matching design of the supporting top plate, the buffer spring and the supporting base;
(2) Through the design of the first electromagnetic valve on the sampling tube, the design of the second electromagnetic valve on the vacuum tube and the design of the third electromagnetic valve on the sealing sleeve, the vacuum pumping treatment between the sampling tube and the sampling tube can be ensured before oil gas is extracted, through the matching arrangement of the vacuum pump on the vacuum pumping mechanism, the telescopic tube and the side pushing cylinder, the plugging and automatic pulling of the telescopic tube and the vacuum tube can be completed, the vacuum pumping treatment in the sampling tube and the sampling tube is facilitated, the lifting of the electric heater can be completed through the matching design of the lifting shell of the lifting cylinder in the constant temperature mechanism, the heating treatment on the surfaces of the sampling tube with different heights is facilitated, the horizontal movement of the electric heater in the box body can be driven through the design of the lifting shell, the second screw rod, the connecting arm and the electric heater, the heating treatment on the sampling tubes with different positions is facilitated, the position of the electric heater is automatically adjusted, and the heating effect is good;
(3) Through the cooperation design of track base, rotatory chain and driving disk on the circulation sampling mechanism, can drive a plurality of sampling pipes and carry out the circulation and remove in the box, and then make things convenient for a plurality of sampling pipes to carry out the sample and the survey that circulate, through the setting of jacking cylinder between fixing base and the sampling pipe, make things convenient for the cooperation grafting of sealing sleeve and sampling pipe on the sampling pipe, make things convenient for the sample on the oil gas chromatograph to survey to the oil gas in the sampling pipe simultaneously.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 2 and 3, the invention discloses a rapid oil-gas chromatograph measuring device based on a large transformer, which comprises a box body 101, wherein a box cover 102 is installed at the top of the box body 101, a sample inlet pipe 103 is installed on the box cover 102, a first electromagnetic valve 104 is installed on the sample inlet pipe 103, a vacuum pipe 105 is fixedly installed at one side of the sample inlet pipe 103, a second electromagnetic valve 106 is installed on the vacuum pipe 105, a vacuumizing mechanism 300 is arranged at one side of the vacuum pipe 105, the vacuumizing mechanism 300 is fixedly installed at the top of the inner wall of the box cover 102, a circulating sampling mechanism 200 is installed at the bottom of the inner wall of the box body 101, an oil gas chromatograph 107 is fixedly installed at the top of the inner wall of the box cover 102, sampling needles 108 are installed on the oil-gas chromatograph 107, fixing plates 109 are fixedly installed on the outer walls of the two sides of the box cover 102, two guide rods 111 are connected in a sliding mode, a supporting frame 114 is fixedly installed at the bottom of the two guide rods 111, a constant temperature mechanism 400 is fixedly installed at the top of the inner wall of the box cover 102, and the combination and the split design of the box body 101 and the box cover 102 can be completed, so that a plurality of sampling tubes 206 in the box body 101 can be cleaned conveniently.
Referring to fig. 8, the sample tube 103 penetrates the top of the casing 102, the casing 101 and the casing 102 are arranged up and down oppositely, the first electromagnetic valve 104 is arranged outside the casing 102, the vacuum tube 105 is arranged inside the casing 102, and the vacuum tube 103 and the sampling tube 206 can be vacuumized before extracting oil gas by the design of the first electromagnetic valve 104 on the sample tube 103, the design of the second electromagnetic valve 106 on the vacuum tube 105 and the design of the third electromagnetic valve 208 on the sealing sleeve 207.
Referring to fig. 7, the vacuum pumping mechanism 300 includes a vacuum pump 301, a telescopic tube 304 is installed on the vacuum pump 301, a side pushing cylinder 302 is fixedly installed on one side of the vacuum pump 301, a connecting clip 303 is connected to the end portion of a piston rod of the side pushing cylinder 302, the telescopic tube 304 is fixedly connected to the connecting clip 303, and through the matching arrangement of the vacuum pump 301, the telescopic tube 304 and the side pushing cylinder 302 on the vacuum pumping mechanism 300, the plugging and automatic pulling of the telescopic tube 304 and the vacuum tube 105 can be completed, so that the vacuum pumping treatment is conveniently performed on the sample injection tube 103 and the sampling tube 206.
Referring to fig. 4 and 6, the circulating sampling mechanism 200 includes a track base 201, the track base 201 is fixedly installed at the bottom of the inner wall of the box 101, a rotating chain 202 is rotatably installed on the track base 201, a plurality of connecting rods 203 are installed on the rotating chain 202, a fixing seat 204 is fixedly installed on one side of the connecting rods 203, a jacking cylinder 205 is fixedly installed on the fixing seat 204, a sampling tube 206 is connected to the end portion of a piston rod of the jacking cylinder 205, a sealing sleeve 207 is installed at the top of the sampling tube 206, a third electromagnetic valve 208 is installed on the sealing sleeve 207, a driving motor 209 is fixedly installed at the bottom of the inner wall of the box 101, an output shaft of the driving motor 209 is connected with a belt pulley one 210, a connecting shaft 213 is rotatably installed at the bottom of the inner wall of the box 101, a belt pulley two 211 and a driving disc 212 are fixedly installed on the connecting shaft 213, the belt pulley one 210 is connected with the belt pulley two 211 through belt transmission, the rotating chain 202 and the driving disc 212 are matched components, and the circulating sampling tube 206 can be driven to move circularly in the box 101 through the matching design of the track base 201, the rotating chain 202 and the driving disc 212, thereby being convenient for the plurality of sampling tubes 206 to circulate in the box 101, and further, the sampling tube 206 can be conveniently tested, and sample the oil gas sample can be sampled by the oil gas sample through the sampling tube 206 and the measuring tube 206, and the sample tube 206 being matched with the fixing seat 206, and the oil gas sample tube 206.
Referring to fig. 9 and 10, a top plate 112 is fixedly mounted at the top of the two guide rods 111, a mounting motor 113 is fixedly mounted at the top of the top plate 112, an output shaft of the mounting motor 113 is connected with a first screw rod 110, and the first screw rod 110 is in threaded connection with a fixing plate 109. The bottom of the box body 101 is fixedly provided with a supporting top plate 115, the bottom of the supporting top plate 115 is fixedly provided with a plurality of buffer springs 116, the bottom of the plurality of buffer springs 116 is fixedly provided with a supporting base 117, through the cooperation design of the fixing plate 109, the first lead screw 110 and the guide rod 111, the automatic separation between the box body 101 and the box cover 102 can be automatically adjusted through the lifting of the fixing plate 109, and then a plurality of sampling pipes 206 in the box body 101 are conveniently cleaned, and the vibration generated during the operation of each component in the box body 101 and the box cover 102 can be effectively reduced through the cooperation design of the supporting top plate 115, the buffer springs 116 and the supporting base 117.
Referring to fig. 5, the constant temperature mechanism 400 includes a lifting cylinder 401, a piston rod end of the lifting cylinder 401 is connected with a lifting shell 402, a connecting arm 404 is slidably mounted on the lifting shell 402, an electric heater 405 is fixedly mounted at the bottom of the connecting arm 404, and lifting of the electric heater 405 can be completed through the matching design of the lifting shell 402 of the lifting cylinder 401 in the constant temperature mechanism 400, so that the surfaces of the sampling tube 206 with different heights can be heated conveniently. The second lead screw is installed in the lifting shell 402 rotation, and adjusting motor 403 is installed to lifting shell 402 one side fixed mounting, and adjusting motor 403 output shaft connects the second lead screw, and second lead screw threaded connection linking arm 404 through adjusting motor 403, second lead screw, linking arm 404 and electric heater 405's design on lifting shell 402 can drive electric heater 405 at the horizontal migration of box 101, conveniently carries out the heating treatment to the sampling tube 206 of different positions, automatically regulated electric heater 405's position, and the effect of heating is good.
Referring to fig. 2 to 10, the working procedure of the oil-gas chromatography rapid measurement device based on the large transformer of the present embodiment is as follows:
step one: before measurement, a driving motor 209 is started, an output shaft of the driving motor 209 drives a belt pulley I210 to rotate, the belt pulley I210 drives a belt pulley II 211 to rotate through a belt, the belt pulley II 211 drives a connecting shaft 213 to rotate, the connecting shaft 213 drives a transmission disc 212 to rotate, the transmission disc 212 drives a rotary chain 202 to rotate, the rotary chain 202 drives corresponding fixing seats 204 to circularly rotate through connecting rods 203, the fixing seats 204 drive corresponding sampling pipes 206 to circularly rotate through jacking cylinders 205, the corresponding sampling pipes 206 are moved below the sampling pipes 103, then the corresponding jacking cylinders 205 are started, piston rods of the jacking cylinders 205 push the sampling pipes 206 to lift, the sampling pipes 206 drive sealing sleeves 207 to lift, the tops of the sealing sleeves 207 are spliced with the sampling pipes 103, then a side pushing cylinder 302 is started, the piston rods of the side pushing cylinders 302 push the connecting clamps 303 to horizontally move, the connecting clamps 303 drive the telescopic pipes 304 to horizontally stretch, the telescopic pipes 304 are spliced with the vacuum pipes 105, the second electromagnetic valves 106 and the vacuum pumps 301 are opened, the sampling pipes 103 and the inside the sampling pipes 206 are vacuumized, then the second electromagnetic valves 106 are closed, the side pushing cylinders 302 shrink, and the telescopic pipes 304 are pulled out of the vacuum pipes 105;
step two: inputting oil gas of a large transformer into the sampling tube 103, opening a first electromagnetic valve 104 and a third electromagnetic valve 208, enabling the oil gas to enter a corresponding sampling tube 206 through the sampling tube 103, closing the first electromagnetic valve 104 and the third electromagnetic valve 208 after sampling is completed, then contracting a piston rod of a corresponding jacking cylinder 205, driving a sealing sleeve 207 to descend by the sampling tube 206, separating the sealing sleeve 207 from the sampling tube 103, rotating a chain 202, repeating the above operation to sample different oil gas, opening a lifting cylinder 401 in the storage process, enabling a piston rod of the lifting cylinder 401 to push a lifting shell 402 to descend, enabling the lifting shell 402 to descend among the sampling tubes 206, opening an adjusting motor 403, enabling an output shaft of the adjusting motor 403 to drive a second screw to rotate, enabling the second screw to drive a connecting arm 404 to move back and forth in the horizontal direction, and further enabling the connecting arm 404 to drive an electric heater 405 to move back and forth horizontally, and continuously heating the sampling tube 206 by the electric heater 405;
step three: during measurement, the corresponding sampling tube 206 moves to the lower part of the sampling needle 108, the jacking cylinder 205 is started, the piston rod of the jacking cylinder 205 pushes the sampling tube 206 to ascend, the third electromagnetic valve 208 is started, and the sampling needle 108 is inserted into the sampling tube 206 through the sealing sleeve 207, so that the oil gas chromatograph 107 measures oil gas;
step four: when the sampling tube 206 is to be cleaned, the installation motor 113 is started, the output shaft of the installation motor 113 drives the first screw rod 110 to rotate, the first screw rod 110 drives the fixing plate 109 to ascend along the two guide rods 111, and then the two fixing plates 109 drive the box cover 102 to ascend, so that the sampling tube 206 in the box body 101 can be cleaned, and vibration generated by the box body 101 and the box cover 102 can be reduced by the buffer spring 116 during sampling and measurement.
In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present 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 the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.