CN211635237U

CN211635237U - Gas generating device of device is administered to test organic gas

Info

Publication number: CN211635237U
Application number: CN201922073109.9U
Authority: CN
Inventors: 刘木星
Original assignee: Beijing Peony Friends Union Environmental Protection Technology Co ltd
Current assignee: Beijing Peony Friends Union Environmental Protection Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-10-09
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to the technical field of auxiliary devices of gas generating equipment, in particular to a gas generating device for testing an organic gas treatment device, which can be used for disassembling an evaporating pot into two parts for cleaning, thereby reducing the cleaning difficulty of the evaporating pot and improving the cleaning effect of the evaporating pot; including the evaporating pot, the material pipe, the evaporation table subassembly, four group's landing legs, the power board, the drive pole, the control lever, mounting panel and pneumatic cylinder, the evaporating pot sets up to apron and base, the bottom of apron is hugged closely with the top of base, the bottom of apron and the top of base are provided with reaction tank and lower reaction tank respectively, go up reaction tank and lower reaction tank intercommunication, the top intercommunication of going up the reaction tank is provided with the peristaltic pump, the bottom middle part of reaction tank under evaporation table subassembly installation, the inside of material pipe is provided with holds the chamber, the bottom that holds the chamber communicates with the input of peristaltic pump, the top intercommunication that holds the chamber is provided with the inlet pipe.

Description

Gas generating device of device is administered to test organic gas

Technical Field

The utility model relates to a gas generating equipment auxiliary device's technical field especially relates to a test organic gas administers gas generator of device.

Background

As is well known, with the increasing prominence of environmental problems, the control standard of the emission of atmospheric pollutants is more strict, so in the process of organic waste gas treatment, the concentration of organic gas emitted by an organic gas treatment device which is already put into use or is about to be put into use needs to be tested to reach the standard, the test is carried out on the premise of preparing organic gas with the same concentration as the organic gas treated by the organic gas treatment device, wherein a gas generation device for testing the organic gas treatment device is a device for preparing organic gas with specified components and concentrations, and the device is widely used in the field of organic gas treatment; when the existing gas generating device for testing the organic gas treatment device is used, the existing gas generating device is communicated with the organic gas treatment device, then specified organic matter liquid is added into the material cylinder, then the peristaltic pump is started to enable the organic matter solution in the material cylinder to be added into the evaporating tank, at the moment, the organic matter solution enters the evaporating tank and falls onto an evaporating table, after the organic matter solution added into the evaporating tank reaches a specified amount, the peristaltic pump stops combining, meanwhile, the evaporating table evaporates the organic matter solution to a gaseous state, then the organic matter gas is pumped into the organic gas treatment device along with air, after the organic gas is treated by the organic gas treatment device, the treatment effect of the organic gas treatment device can be judged by detecting the treated organic gas through a detection device on the organic gas treatment device; the gas generating device of device is administered to current test organic gas discovers in using, and the evaporating pot need wash in order to reduce the influence to follow-up gas generation after using, however the washing difficulty of current evaporating pot is great, and the cleaning performance is relatively poor to lead to the practicality relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can tear the evaporating pot open into two parts and wash, consequently reduced the washing degree of difficulty of evaporating pot to the cleaning performance of evaporating pot has been improved, thereby the test organic gas who strengthens the practicality administers the gas generator of device.

The utility model discloses a test organic gas treatment device's gas generating device, including evaporating pot, material pipe, evaporating table subassembly, four group's landing legs, power plate, drive rod, control lever, mounting panel and pneumatic cylinder, the evaporating pot sets up to apron and base, and the bottom of apron hugs closely with the top of base, the bottom of apron and the top of base are provided with upper reaction tank and lower reaction tank respectively, upper reaction tank and lower reaction tank intercommunication, the top intercommunication of upper reaction tank is provided with the peristaltic pump, evaporating table subassembly is installed in the bottom middle part of lower reaction tank, the inside of material pipe is provided with holds the chamber, and the bottom of holding the chamber communicates with the input of peristaltic pump, the top intercommunication of holding the chamber is provided with the inlet pipe, the sealed spiral shell in top of the inlet pipe that holds the chamber is equipped with the apron, the bottom intercommunication of lower reaction tank is provided with the wash-out pipe, the utility model discloses a reactor, including wash-out pipe, reaction tank, power board, drive pole, control lever, power board, inlet pipe, control valve, inlet pipe, exhaust pipe, air inlet pipe, power board, apron, cover plate, power board, apron, drive pole, the last intercommunication of wash-out pipe sets up and the control valve, the front end and the rear end of lower reaction tank communicate respectively and are provided with blast pipe and intake pipe, the top of four groups of landing legs is connected with the bottom left side front side, left rear side, right front side and the right rear side of base respectively, the left end top region of base is provided with two sets of backup pads, the front end of power board and the bottom region of rear end are handed over with two sets of backup pads respectively, the top and the bottom of control lever are handed over with the left side of drive pole and the output of pneumatic cylinder respectively, the right-hand member front.

The utility model discloses a test organic gas administers gaseous generating device of device still includes cat ladder subassembly, two sets of dead levers and locating plate down, the right-hand member of two sets of dead levers and the right-hand member of two sets of dead levers down are connected with regional front side and the rear side of left end top and rear side and left end bottom of cat ladder subassembly respectively, the left end of two sets of dead levers all is connected with the right-hand member top region of base, the front end and the rear end of locating plate are connected with the inner of the two sets of landing legs in right side respectively, the left end of two sets of dead levers down is connected with the right-hand member front side and the rear side of locating plate respectively.

The utility model discloses a test organic gas administers gaseous generating device of device still includes four group's lifting threaded rod, four group's backing plates and four group's adjusting nut, the bottom of four group's landing legs is provided with four group's lifting thread grooves respectively, four group's lifting thread grooves respectively with four group's lifting threaded rod spiral shell wares, the top of four group's backing plates is provided with four group's coupling assembling respectively, four group's lifting threaded rod installs at four group's coupling assembling's top, four group's adjusting nut respectively with four group's lifting threaded rod's regional fixed suit.

The utility model discloses a test organic gas administers gaseous generating device of device, four group's coupling assembling include four group's rotor plates and four group's catch bars respectively, the bottom of four group's catch bars is connected with the top of four group's backing plates respectively, the inside of four group's catch bars is provided with four group respectively and rotates the chamber, four group's top of rotating the chamber communicates respectively and is provided with four group's patchholes, four group's promotion threaded rod's bottom is passed four group's patchholes respectively and is stretched into to four group respectively and rotate the intracavity, four group's rotor plates rotate the chamber with four group respectively and clamp, four group's promotion threaded rod's bottom is connected with four group's rotor plates.

The utility model discloses a test organic gas administers gaseous generating device of device still includes the gusset plate, the top of gusset plate is connected with the bottom of mounting panel, the bottom of gusset plate is connected with the left end of the two sets of landing legs in left side.

The utility model discloses a test organic gas administers gaseous generating device of device still glues the frame including the protection, the bottom of frame is glued in the protection is connected with the top of base, the top of frame is glued in the protection is hugged closely with the bottom of apron.

The utility model discloses a test organic gas administers gaseous generating device of device still includes multiunit skid resistant pad board, the cat ladder subassembly is provided with multiunit step board, the top of multiunit step board is connected with the bottom of multiunit skid resistant pad board respectively.

The utility model discloses a test organic gas administers gas generator of device still includes two sets of firm poles, the top of two sets of firm poles is connected with the left end and the right-hand member of feed cylinder respectively, the bottom of two sets of firm poles is connected with the top left side and the right side of apron respectively.

Compared with the prior art, the beneficial effects of the utility model are that: after the evaporation tank is used, the hydraulic cylinder can be started to reset the output end of the hydraulic cylinder and move downwards, meanwhile, the output end of the hydraulic cylinder drives the left side of the driving rod to move downwards through the control rod, the driving rod drives the power plate to rotate anticlockwise around the hinged part of the two groups of supporting plates, the cover plate is lifted up on the base by the power plate, when an opening between the cover plate and the base is large enough, a worker stops the output end of the hydraulic cylinder and completely exposes the inside of the evaporation tank outside, the worker continues cleaning operation, the cleaned wastewater is continuously collected through the drain pipe and poured into the waste liquid collecting device, after the cleaning is finished, the hydraulic cylinder is started again to enable the output end of the hydraulic cylinder to push the cover plate to reset through the cooperation of the power plate, the driving rod and the control rod, and the evaporation tank is disassembled into two parts to be cleaned, therefore, the cleaning difficulty of the evaporating pot is reduced, and the cleaning effect of the evaporating pot is improved, so that the practicability is enhanced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of a partially enlarged structure of a;

FIG. 3 is a schematic view of the connection structure of the power plate and the cover plate of the present invention;

FIG. 4 is a schematic view of the connection structure of the control rod and the driving rod of the present invention;

in the drawings, the reference numbers: 1. an evaporator tank; 2. a material pipe; 3. an evaporation stage assembly; 4. four groups of supporting legs; 5. a power plate; 6. driving the rod; 7. a control lever; 8. mounting a plate; 9. a hydraulic cylinder; 10. A cover plate; 11. a base; 12. an upper reaction tank; 13. a lower reaction tank; 14. a peristaltic pump; 15. A drain pipe; 16. two sets of support plates; 17. a ladder assembly; 18. two groups of upper fixing rods; 19. Two groups of lower fixing rods; 20. positioning a plate; 21. four groups of lifting threaded rods; 22. four groups of backing plates; 23. four groups of adjusting nuts; 24. four groups of rotating plates; 25. four groups of pushing plates; 26. four groups of rotating cavities; 27. a reinforcing plate; 28. a protective rubber frame; 29. a plurality of groups of anti-skid base plates; 30. a plurality of sets of step boards; 31. two groups of stabilizing rods.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 4, the gas generating device for testing an organic gas treatment device of the utility model comprises an evaporating pot 1, a material pipe 2, an evaporating table component 3, four groups of supporting legs 4, a power plate 5, a driving rod 6, a control rod 7, a mounting plate 8 and a hydraulic cylinder 9, wherein the evaporating pot 1 is arranged as a cover plate 10 and a base 11, the bottom end of the cover plate 10 is clung to the top end of the base 11, the bottom end of the cover plate 10 and the top end of the base 11 are respectively provided with an upper reaction tank 12 and a lower reaction tank 13, the upper reaction tank 12 is communicated with the lower reaction tank 13, the top end of the upper reaction tank 12 is communicated with a peristaltic pump 14, the evaporating table component 3 is arranged in the middle of the bottom end of the lower reaction tank 13, a containing cavity is arranged in the material pipe 2, the bottom end of the containing cavity is communicated with the input end of the peristaltic pump 14, the top end of the containing cavity is, a drain pipe 15 is communicated and arranged at the bottom end of the lower reaction tank 13, a control valve is communicated and arranged on the drain pipe 15, an exhaust pipe and an air inlet pipe are respectively communicated and arranged at the front end and the rear end of the lower reaction tank 13, the top ends of the four groups of supporting legs 4 are respectively communicated with the left front side and the left rear side of the bottom end of the base 11, the right front side and the right rear side are connected, two groups of supporting plates 16 are arranged in the top area of the left end of the base 11, the bottom areas of the front end and the rear end of the power plate 5 are respectively connected with the two groups of supporting plates 16, the right end of the top area of the power plate 5 is connected with the left end of the cover plate 10, the right end of the driving rod 6 is connected with the middle part of the left end of the power plate 5, the top end and the bottom end of the control rod 7 are respectively connected with the left side of the driving rod 6 and the output end of the hydraulic cylinder 9, the front side and the rear side of the right end of the mounting plate 8 are respectively connected with the middle parts of the left ends of the two groups of supporting legs on the; after the evaporation tank is used, the hydraulic cylinder can be started to reset the output end of the hydraulic cylinder and move downwards, meanwhile, the output end of the hydraulic cylinder drives the left side of the driving rod to move downwards through the control rod, the driving rod drives the power plate to rotate anticlockwise around the hinged part of the two groups of supporting plates, the cover plate is lifted up on the base by the power plate, when an opening between the cover plate and the base is large enough, a worker stops the output end of the hydraulic cylinder and completely exposes the inside of the evaporation tank outside, the worker continues cleaning operation, the cleaned wastewater is continuously collected through the drain pipe and poured into the waste liquid collecting device, after the cleaning is finished, the hydraulic cylinder is started again to enable the output end of the hydraulic cylinder to push the cover plate to reset through the cooperation of the power plate, the driving rod and the control rod, and the evaporation tank is disassembled into two parts to be cleaned, therefore, the cleaning difficulty of the evaporating pot is reduced, and the cleaning effect of the evaporating pot is improved, so that the practicability is enhanced.

The utility model discloses a test organic gas treatment device's gas generator, still include cat ladder subassembly 17, two sets of upper dead levers 18, two sets of lower dead levers 19 and locating plate 20, the right-hand member of two sets of upper dead levers 18 and the right-hand member of two sets of lower dead levers 19 are connected with the left end top region front side and rear side and the left end bottom region front side and rear side of cat ladder subassembly 17 respectively, the left end of two sets of upper dead levers 18 all is connected with the right-hand member top region of base 11, the front end and the rear end of locating plate 20 are connected with the inner of two sets of landing legs on the right side respectively, the left end of two sets of lower dead levers 19 is connected with the right-hand member front side and the rear side of locating plate 20; the staff can be more convenient for feed cylinder feed supplement and continue to wash to the evaporating pot is inside through the cat ladder device to the convenience has been strengthened.

The utility model discloses a test organic gas treatment device's gas generator still includes four groups of lifting threaded rods 21, four groups of backing plates 22 and four groups of adjusting nut 23, and four groups of landing legs 4's bottom is provided with four groups of lifting thread grooves respectively, and four groups of lifting thread grooves are respectively with four groups of lifting threaded rods 21 spiral shell dress, and four groups of backing plates 22's top is provided with four groups of coupling assembling respectively, and four groups of lifting threaded rods 21 are installed at four groups of coupling assembling's top, and four groups of adjusting nut 23 are respectively with four groups of lifting threaded rods 21's bottom region fixed suit; can rotate four group adjusting nut respectively through the spanner and make four group adjusting nut drive four group lifting threaded rod respectively and rotate, four group lifting threaded rod then have changed respectively at the extension length of four group landing legs downside at this moment, have realized the regulation of gas generating device stability promptly to the use limitation has been reduced.

The utility model discloses a test organic gas administers gas generator of device, four groups of coupling assembling include four groups rotor plates 24 and four groups of catch plates 25 respectively, the bottom of four groups catch plates 25 is connected with the top of four groups backing plate 22 respectively, the inside of four groups catch plates 25 is provided with four groups respectively and rotates the chamber 26, the top of four groups rotates the chamber 26 and communicates respectively and is provided with four groups of patchholes, the bottom of four groups of lifting threaded rods 21 passes four groups of patchholes respectively and stretches into respectively to four groups of rotation chambers 26 from the upside of four groups catch plates 25 respectively, four groups of rotor plates 24 rotate with four groups of rotation chambers 26 respectively and clamp, the bottom of four groups of lifting threaded rods 21 is connected with the top of four groups of rotor plates 24 respectively; when four groups of lifting threaded rods rotate, the four groups of lifting threaded rods respectively drive the four groups of rotating plates to rotate in the four groups of rotating cavities of the four groups of pushing plates, and the friction force between the rotating plates and the rotating cavities is much smaller than the friction force between the base plate and the ground, so that the four groups of lifting threaded rods rotate more labor-saving, and the practicability is enhanced.

The utility model discloses a test organic gas treatment device's gas generator, still include gusset plate 27, the top of gusset plate 27 is connected with the bottom of mounting panel 8, the bottom of gusset plate 27 is connected with the left end of left side two sets of landing legs; the mounting plate is continuously reinforced through the reinforcing plate, the probability that the mounting plate is disconnected on the two groups of supporting legs is reduced, and therefore the stability is enhanced.

The gas generating device for testing the organic gas treatment device of the utility model also comprises a protective rubber frame 28, the bottom end of the protective rubber frame 28 is connected with the top end of the base 11, and the top end of the protective rubber frame 28 is clung to the bottom end of the cover plate 10; the cover plate is protected in a buffering mode through the protective rubber frame, the impact damage degree of the cover plate to the base is reduced when the cover plate resets on the base, and meanwhile the sealing effect is achieved, so that the practicability is enhanced.

The utility model discloses a test organic gas treatment device's gas generator, still include multiunit antiskid backing plate 29, cat ladder subassembly 17 is provided with multiunit step board 30, the top of multiunit step board 30 is connected with the bottom of multiunit antiskid backing plate 29 respectively; the top friction coefficient of the multiple groups of tread plates is increased through the multiple groups of anti-skid base plates, and the probability of skidding on the tread plates is reduced, so that the practicability is enhanced.

The utility model discloses a test organic gas treatment device's gas generator, still include two sets of firm poles 31, the top of two sets of firm poles 31 is connected with the left end and the right-hand member of feed cylinder respectively, the bottom of two sets of firm poles 31 is connected with the top left side and the right side of apron 10 respectively; two sets of firm poles are consolidated the feed cylinder, have reduced the apron and have driven the skew time of feed cylinder, the probability of feed cylinder disconnection on the peristaltic pump to the steadiness has been strengthened.

The utility model discloses a test organic gas administers gas generator of device, it is at work, at first with current gas generator and organic gas administers the device intercommunication, then add appointed kind of organic matter liquid in the feed cylinder, then start the peristaltic pump and make the organic matter solution in the feed cylinder add in the evaporating pot, at this moment organic matter solution gets into after the evaporating pot, fall to the evaporating table, after the organic matter solution that adds in the evaporating pot reaches appointed volume, the peristaltic pump stops to make up altogether, the evaporating table evaporates organic matter solution to the gaseousness simultaneously, then organic matter gas is pumped to organic gas administers the device along with the air, after organic gas administers the device and administers organic gas, organic gas after detecting through the last detection device of organic gas administers the device can judge the administration effect of organic gas administers the device, after finishing using through the evaporating pot, at this moment can start the hydraulic cylinder and make the output of pneumatic cylinder reset and move down, the output of pneumatic cylinder then moves the left side of drive pole through the control lever and moves down simultaneously, the drive pole then drives the power plate round with the articulated department anticlockwise rotation of two sets of backup pads this moment, the apron then lifts up on the base by the power plate this moment, after the opening between apron and base is enough big, at this moment the staff then stops the output action of pneumatic cylinder, the inside of evaporating pot then exposes outside completely this moment, the staff continues the cleaning operation can, the waste water that finishes washs then continues to collect and pour into in the waste liquid collection device through the outlet pipe can, after finishing washing, start the hydraulic cylinder once more and make its output pass through the power plate, drive pole and control lever cooperation promote the apron reset can.

The terms "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A gas generating device for testing an organic gas treatment device is characterized by comprising an evaporation tank (1), a material pipe (2), an evaporation table assembly (3), four groups of supporting legs (4), a power plate (5), a driving rod (6), a control rod (7), a mounting plate (8) and a hydraulic cylinder (9), wherein the evaporation tank (1) is arranged into a cover plate (10) and a base (11), the bottom end of the cover plate (10) is tightly attached to the top end of the base (11), the bottom end of the cover plate (10) and the top end of the base (11) are respectively provided with an upper reaction tank (12) and a lower reaction tank (13), the upper reaction tank (12) is communicated with the lower reaction tank (13), the top end of the upper reaction tank (12) is communicated with a peristaltic pump (14), the evaporation table assembly (3) is arranged in the middle of the bottom end of the lower reaction tank (13), and a containing cavity is arranged in the material pipe (2), the bottom of holding the chamber communicates with the input of peristaltic pump (14), the top intercommunication that holds the chamber is provided with the inlet pipe, the sealed spiral shell in top of the inlet pipe that holds the chamber is provided with apron (10), the bottom intercommunication of lower reaction tank (13) is provided with wash-out pipe (15), the intercommunication sets up and the control valve on wash-out pipe (15), the front end and the rear end of lower reaction tank (13) communicate respectively and are provided with blast pipe and intake pipe, the top of four group's landing legs (4) is connected with the left front side, left rear side, right front side and the right rear side in bottom of base (11) respectively, the left end top region of base (11) is provided with two sets of backup pads (16), the bottom region of the front end of power plate (5) and rear end is handing-over with two sets of backup pads (16) respectively, the regional right-hand member in top of power plate (5) is connected with the left end of apron (10), the right-hand member of drive pole (6) is connected with the left end middle part of power plate (5), the top and the bottom of control lever (7) hand over with the left side of drive pole (6) and the output of pneumatic cylinder (9) respectively, the right-hand member front side and the rear side of mounting panel (8) are connected with the left end middle part of the two sets of landing legs in left side respectively, the bottom of pneumatic cylinder (9) is connected with the top of mounting panel (8).

2. The gas generator for testing an organic gas abatement device of claim 1, further comprising a ladder assembly (17), two sets of upper fixing bars (18), two sets of lower fixing bars (19) and a positioning plate (20), wherein the right ends of the two sets of upper fixing bars (18) and the right ends of the two sets of lower fixing bars (19) are respectively connected with the front side and the rear side of the top region of the left end and the front side and the rear side of the bottom region of the left end of the ladder assembly (17), the left ends of the two sets of upper fixing bars (18) are both connected with the top region of the right end of the base (11), the front end and the rear end of the positioning plate (20) are respectively connected with the inner ends of the two sets of legs on the right side, and the left ends of the two sets of lower fixing bars (19) are respectively connected with the front side and the rear side of the right end of the.

3. The gas generator for testing an organic gas abatement device of claim 2, further comprising four sets of lifting threaded rods (21), four sets of backing plates (22) and four sets of adjusting nuts (23), wherein the four sets of legs (4) are respectively provided with four sets of lifting threaded grooves at the bottom ends thereof, the four sets of lifting threaded grooves are respectively screwed with the four sets of lifting threaded rods (21), the four sets of backing plates (22) are respectively provided with four sets of connecting members at the top ends thereof, the four sets of lifting threaded rods (21) are mounted at the top ends thereof, and the four sets of adjusting nuts (23) are respectively fixedly sleeved with the bottom regions of the four sets of lifting threaded rods (21).

4. The gas generator for testing an organic gas abatement device of claim 3, it is characterized in that the four groups of connecting components respectively comprise four groups of rotating plates (24) and four groups of pushing plates (25), the bottom ends of the four groups of pushing plates (25) are respectively connected with the top ends of the four groups of backing plates (22), four groups of rotating cavities (26) are respectively arranged in the four groups of pushing plates (25), the top ends of the four groups of rotating cavities (26) are respectively communicated with four groups of inserting holes, the bottom ends of the four groups of lifting threaded rods (21) respectively penetrate through the four groups of inserting holes from the upper sides of the four groups of pushing plates (25) and respectively extend into the four groups of rotating cavities (26), the four groups of rotating plates (24) are respectively rotationally clamped with the four groups of rotating cavities (26), the bottom ends of the four groups of lifting threaded rods (21) are respectively connected with the top ends of the four groups of rotating plates (24).

5. The gas generator for testing an organic gas abatement device of claim 4, further comprising a reinforcing plate (27), wherein the top end of the reinforcing plate (27) is connected to the bottom end of the mounting plate (8), and the bottom end of the reinforcing plate (27) is connected to the left ends of the left two sets of legs.

6. The gas generator for testing the organic gas treatment device according to claim 5, further comprising a protective rubber frame (28), wherein the bottom end of the protective rubber frame (28) is connected with the top end of the base (11), and the top end of the protective rubber frame (28) is tightly attached to the bottom end of the cover plate (10).

7. The gas generating device for testing the organic gas treatment device according to claim 6, further comprising a plurality of sets of anti-skid base plates (29), wherein the ladder assembly (17) is provided with a plurality of sets of tread plates (30), and the top ends of the plurality of sets of tread plates (30) are respectively connected with the bottom ends of the plurality of sets of anti-skid base plates (29).

8. The gas generator for testing organic gas treatment device according to claim 7, further comprising two sets of stabilizing rods (31), wherein the top ends of said two sets of stabilizing rods (31) are connected to the left and right ends of the cylinder, respectively, and the bottom ends of said two sets of stabilizing rods (31) are connected to the left and right sides of the top end of the cover plate (10), respectively.