CN110672274A - Take leakproofness detection device of plastics inspection shaft of strengthening rib - Google Patents

Take leakproofness detection device of plastics inspection shaft of strengthening rib Download PDF

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Publication number
CN110672274A
CN110672274A CN201911116521.2A CN201911116521A CN110672274A CN 110672274 A CN110672274 A CN 110672274A CN 201911116521 A CN201911116521 A CN 201911116521A CN 110672274 A CN110672274 A CN 110672274A
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CN
China
Prior art keywords
fixed
rod
inspection well
well
threaded rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911116521.2A
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Chinese (zh)
Inventor
俞志群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIAXING HUICHANG PLASTIC Co Ltd
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JIAXING HUICHANG PLASTIC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIAXING HUICHANG PLASTIC Co Ltd filed Critical JIAXING HUICHANG PLASTIC Co Ltd
Priority to CN201911116521.2A priority Critical patent/CN110672274A/en
Publication of CN110672274A publication Critical patent/CN110672274A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum

Abstract

The invention discloses a tightness detection device of a plastic inspection well with reinforcing ribs, which comprises an inspection well body, a fixed seat, a fixed frame and a detector, wherein the top end of the fixed seat is provided with the inspection well body, the inspection well body comprises a well seat, a well shaft and a well cover, the reinforcing ribs are fixed on the outer side of the inspection well body, two side edges of the top of the well seat are symmetrically connected with drain pipes, the top end of the well seat is fixed with the well shaft, the top end of the well shaft is fixed with the well cover, two side edges of the top end of the fixed seat are symmetrically fixed with fixed rods, the fixed frame is fixed between the fixed rods on two sides, the bottom of the fixed frame is provided with a sliding chute, two sides of the bottom end of the sliding chute are slidably connected with a first sliding plate and a second sliding plate which are matched with the sliding chute, the bottom end of the first sliding plate is fixed with, the first connecting pipe is connected with one end of the drain pipe.

Description

Take leakproofness detection device of plastics inspection shaft of strengthening rib
Technical Field
The invention relates to the technical field of product performance detection, in particular to a tightness detection device of a plastic inspection well with reinforcing ribs.
Background
Inspection wells, commonly known as "pit wells", are vertical wells built at regular intervals on underground pipelines, are one of the urban road underground infrastructures, and are mainly used for repairing pipelines, removing sludge and connecting pipelines in different directions and different heights. Most of the devices are arranged at turning positions, pipeline junctions, pipe diameter or gradient changing positions, drop positions and linear pipe sections. The plastic inspection well has the advantages of good sealing performance, all-weather construction, no weather restriction, split combination, capability of adjusting the height up and down, excellent drainage performance, convenient construction, light weight, easy transportation, short construction period, low comprehensive cost, low maintenance cost and the like, and gradually replaces the traditional inspection well with a brick structure or a reinforced concrete structure. The formed plastic inspection well is assembled by different processes such as welding, socket joint and the like, and the sealing performance of the plastic inspection well needs to be detected in order to prevent liquid in surrounding soil from permeating into the plastic inspection well or prevent corrosive liquid in a pipeline from permeating into the surrounding soil to cause leakage pollution because the plastic inspection well is buried underground for work. However, the existing device for detecting the tightness of the plastic inspection well is low in detection precision, complex in structure and complex in operation, brings great labor intensity to people, and is not beneficial to the use of people.
Disclosure of Invention
The technical task of the invention is to provide a device for detecting the sealing property of a plastic inspection well with reinforcing ribs to solve the problems.
The technical scheme of the invention is realized as follows:
the tightness detection device of the plastic inspection well with the reinforcing ribs comprises an inspection well body, a fixed seat, a fixed frame and a detector, wherein the inspection well body is arranged at the top end of the fixed seat, the inspection well body comprises a well seat, a well shaft and a well cover, the reinforcing ribs are fixed on the outer side of the inspection well body, drain pipes are symmetrically connected with two side edges of the top of the well seat, the well shaft is fixed at the top end of the well seat, the well cover is fixed at the top end of the well shaft, fixing rods are symmetrically fixed at two sides of the top end of the fixed seat, the fixed frame is fixed between the fixing rods at two sides, a sliding groove is formed in the bottom of the fixed frame, a first sliding plate and a second sliding plate which are matched with the sliding groove are slidably connected with two sides of the bottom end of the sliding groove, a first electric telescopic rod, the bottom end of the connecting plate is fixedly provided with a hydrogen storage tank, one side edge of the bottom of the hydrogen storage tank, which is close to the inspection well body, is fixedly provided with a first connecting pipe, the first connecting pipe is connected with one end of the drain pipe, the middle part of the first connecting pipe is connected with the booster pump, the bottom end of the second sliding plate is fixedly provided with a second electric telescopic rod, the bottom end of the second electric telescopic rod is fixedly provided with the detector, the middle part of the bottom end of the fixing frame is fixedly provided with a fixing frame, the inside of the fixing frame is of a hollow structure, the middle part of the bottom of the fixing frame is provided with a hollow groove, one side edge of the inside of the fixing frame is fixedly provided with a second motor, an output shaft of the second motor is connected with a second threaded rod, the second threaded rod is a two-way threaded rod, two ends of the second threaded rod are respectively and slidably connected with a, the other ends of the first connecting rod and the second connecting rod are in cross movable connection with a clamping plate, a squeezing plate is fixed at the bottom end of the clamping plate, a cavity structure is arranged in the middle of the interior of the fixed seat, a first motor is fixed at the bottom end of the interior of the cavity structure, an output shaft of the motor I is connected with a rotating shaft, a bevel gear I is fixed at the top end of the rotating shaft, a bevel gear II and a bevel gear III which are kneaded with the bevel gear I are respectively arranged on two side edges of the top of the bevel gear I, a threaded rod I is fixed on one side edge of each of the bevel gear II and the bevel gear III, the first threaded rod is connected with the inner wall of the cavity structure, a first sliding sleeve matched with the first threaded rod is sleeved on the first threaded rod, supporting rods are fixed at the top ends of the first sliding sleeve, and the supporting rod penetrates through the cavity structure and extends to the upper part of the cavity structure to be fixed with the clamping plate.
Preferably, the top end of the detector is connected with the bottom end of the second electric telescopic rod through a universal joint.
Preferably, the middle part of the surface of the fixed seat corresponding to the support rods on the two sides is provided with a sliding groove matched with the support rods.
Preferably, a forward thread matched with the threaded rod is fixed inside the second sliding sleeve, and a reverse thread matched with the threaded rod is fixed inside the third sliding sleeve.
Preferably, one end of the first threaded rod, far away from the first motor, is connected with the inner wall of the cavity structure through a first fixing sleeve, and one end of the second threaded rod, far away from the second motor, is connected with the inner wall of the fixing frame through a second fixing sleeve.
Preferably, an electric control valve is fixed on the first connecting pipe and is electrically connected with the switch.
Preferably, the first connecting pipe is connected with the drain pipe through a sealing ring.
Preferably, the two ends of the first connecting rod and the second connecting rod are movably connected with the second sliding sleeve and the clamping plate through movable bolts.
Preferably, a first control button and a second control button are fixed on one side of the outer portion of the fixing seat, the first control button is in control connection with the first motor, and the second control button is in control connection with the second motor.
Preferably, the bottom end corners of the fixed seat are respectively fixed with a supporting leg, and the bottom ends of the supporting legs are fixed with an anti-skid base plate.
Compared with the prior art, the invention has the advantages and positive effects that:
1. can fix the inspection shaft body from bottom both sides and top to the guarantee is fixed more stable and firm, and then conveniently detects.
2. The invention has simple structure and convenient operation, and is more convenient for people to operate and use, thereby reducing the labor intensity of people.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a tightness detection device for a plastic manhole with reinforcing ribs according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure of an inspection well body according to an embodiment of the invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the interior of a cavity structure according to an embodiment of the invention;
FIG. 5 is an enlarged view of portion B of FIG. 1 according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a surface of a fixing seat according to an embodiment of the invention.
In the figure:
1. an inspection well body; 2. a fixed seat; 3. a fixed mount; 4. a detector; 5. a well base; 6. a wellbore; 7. a well cover; 8. reinforcing ribs; 9. a drain pipe; 10. fixing the rod; 11. a chute; 12. a first sliding plate; 13. a second sliding plate; 14. a first electric telescopic rod; 15. a connecting plate; 16. a hydrogen storage tank; 17. a first connecting pipe; 18. a booster pump; 19. a second electric telescopic rod; 20. a fixing frame; 21. a second motor; 22. a second threaded rod; 23. a second sliding sleeve; 24. a third sliding sleeve; 25. a first connecting rod; 26. a second connecting rod; 27. clamping a plate; 28. a pressing plate; 29. a cavity structure; 30. a first motor; 31. a rotating shaft; 32. a first bevel gear; 33. a second bevel gear; 34. a third bevel gear; 35. a first threaded rod; 36. a first sliding sleeve; 37. a support bar; 38. a splint; 39. a universal joint; 40. a sliding groove; 41. fixing a sleeve I; 42. fixing a second sleeve; 43. an electrically controlled valve; 44. a first control button; 45. a second control button; 46. and (5) supporting legs.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The invention is further described with reference to the following figures and specific examples.
In a first embodiment, as shown in fig. 1 to 6, a device for detecting sealing performance of a plastic inspection well with a reinforcing rib according to an embodiment of the present invention includes an inspection well body 1, a fixing base 2, a fixing frame 3 and a detector 4, wherein the inspection well body 1 is disposed at a top end of the fixing base 2, the inspection well body 1 includes a well base 5, a well shaft 6 and a well cover 7, the reinforcing rib 8 is fixed at an outer side of the inspection well body 1, drain pipes 9 are symmetrically connected to two side edges of a top portion of the well base 5, the well shaft 6 is fixed at a top end of the well base 5, the well cover 7 is fixed at a top end of the well shaft 6, fixing rods 10 are symmetrically fixed at two side edges of a top end of the fixing base 2, the fixing frame 3 is fixed between the fixing rods 10 at two side edges, a sliding groove 11 is disposed at a bottom portion of the fixing frame 3, a first sliding plate 12 and a second, the bottom end of the first sliding plate 12 is fixed with a first electric telescopic rod 14, the bottom end of the first electric telescopic rod 14 is fixed with a connecting plate 15, the bottom end of the connecting plate 15 is fixed with a hydrogen storage tank 16, one side edge of the bottom of the hydrogen storage tank 16, which is close to the inspection well body 1, is fixed with a first connecting pipe 17, the first connecting pipe 17 is connected with one end of the drain pipe 9, the middle part of the first connecting pipe 17 is connected with a booster pump 18, the bottom end of the second sliding plate 13 is fixed with a second electric telescopic rod 19, the bottom end of the second electric telescopic rod 19 is fixed with the detector 4, the bottom middle part of the fixed frame 3 is fixed with a fixed frame 20, the inside of the fixed frame 20 is of a hollow structure, the middle part of the bottom of the fixed frame 20 is provided with a hollow groove, one side edge of the inside of the fixed, the second threaded rod 22 is a bidirectional threaded rod, two ends of the second threaded rod 22 are respectively connected with a second sliding sleeve 23 and a third sliding sleeve 24 which are matched with the second threaded rod 22 in a sliding manner, the bottom ends of the second sliding sleeve 23 and the third sliding sleeve 24 are respectively movably connected with one ends of a first connecting rod 25 and a second connecting rod 26, the other ends of the first connecting rod 25 and the second connecting rod 26 are in cross movable connection with a clamping plate 27, the bottom ends of the first connecting rod 25 and the second connecting rod 26 penetrate through a hollow groove, a squeezing plate 28 is fixed at the bottom end of the clamping plate 27, a cavity structure 29 is arranged in the middle of the inside of the fixed seat 2, a first motor 30 is fixed at the bottom end of the cavity structure 29, an output shaft of the first motor 30 is connected with a rotating shaft 31, a first bevel gear 32 is fixed at the top end of the rotating shaft 31, and two bevel gears 33 and a third bevel gear 34 which, one side edge of the second bevel gear 33 and one side edge of the third bevel gear 34 are both fixed with a first threaded rod 35, the first threaded rod 35 is connected with the inner wall of the cavity structure 29, a first sliding sleeve 36 matched with the first threaded rod 35 is sleeved on the first threaded rod 35, a supporting rod 37 is fixed at the top end of the first sliding sleeve 36, and the supporting rod 37 penetrates through the cavity structure 29 and extends to the position above the cavity structure 29 and is fixed with a clamping plate 38.
In the second embodiment, as shown in fig. 1, the top end of the detector 4 is connected with the bottom end of the second electric telescopic rod 19 through a universal joint 39; the universal joint 39 can facilitate the rotation of the detector 4, so that different orientations of the surface of the inspection well body 1 can be detected.
In the third embodiment, as shown in fig. 6, a sliding groove 40 adapted to the supporting rod 37 is formed in the middle of the surface of the fixing base 2 at a position corresponding to the supporting rods 37 at the two sides; the sliding of the support rod 37 is facilitated by the sliding groove 40.
In a fourth embodiment, as shown in fig. 3, a forward thread adapted to the second threaded rod 22 is fixed inside the second sliding sleeve 23, and a reverse thread adapted to the second threaded rod 22 is fixed inside the third sliding sleeve 24.
In a fifth embodiment, as shown in fig. 3 and 4, one end of the first threaded rod 35, which is far away from the first motor 30, is connected with the inner wall of the cavity structure 29 through a first fixing sleeve 41, and one end of the second threaded rod 22, which is far away from the second motor 21, is connected with the inner wall of the fixed frame 20 through a second fixing sleeve 42; the first screw rod 35 and the second screw rod 22 are fixed more stably through the first fixing sleeve 41 and the second fixing sleeve 42.
In a sixth embodiment, as shown in fig. 5, an electronic control valve 43 is fixed on the first connecting pipe 17, and the electronic control valve 43 is electrically connected with a switch; the discharge of hydrogen can be conveniently controlled by the electrically controlled valve 43.
In the seventh embodiment, as shown in fig. 2, the first connecting pipe 17 is connected with the drain pipe 9 through a sealing ring; the first connecting pipe 17 and the drain pipe 9 can be sealed through a sealing ring; while preventing leakage of hydrogen gas.
In an eighth embodiment, as shown in fig. 3, both ends of the first connecting rod 25 and the second connecting rod 26 are movably connected with the second sliding sleeve 23 and the clamping plate 27 through movable bolts; the connecting rod, the clamping plate 27 and the second sliding sleeve 23 can be fixed through the movable bolt, and meanwhile, the mutual rotation is facilitated.
In a ninth embodiment, as shown in fig. 1, a first control button 44 and a second control button 45 are fixed on one side of the outer portion of the fixing base 2, the first control button 44 is in control connection with the first motor 30, and the second control button 45 is in control connection with the second motor 21; the rotation of the motor can be conveniently controlled through the first control button 44 and the second control button 45.
In the tenth embodiment, as shown in fig. 1, supporting legs 46 are fixed at the bottom corners of the fixing base 2, and anti-skid pads are fixed at the bottom ends of the supporting legs 46; the supporting legs 46 can support the device, and the anti-slip base plate can prevent slipping, so that the device is more stable.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the inspection well body 1 to be detected is placed in the middle of the top end of the fixed seat 2, the two sides of the well seat 5 can be fixed through the clamping plates 38 on the two sides, the rotation of the motor I30 and the motor II 21 can be conveniently controlled through an external control button, the rotation of the motor I30 drives the rotation of the bevel gear I32, the rotation of the bevel gear I32 drives the rotation of the bevel gear II 33 and the bevel gear III 34, the rotation directions of the bevel gear II 33 and the bevel gear III are opposite, the rotation of the threaded rod I35 is further driven, meanwhile, the rotation of the threaded rod I35 drives the sliding sleeve I36 to slide, as the rotation directions of the bevel gear II 33 and the bevel gear III 34 are opposite, the rotation directions of the threaded rods on the two sides are opposite, the sliding sleeve I36 on the two sides can move from the two sides to the middle, and the clamping plates 38 on the two sides are further driven, the surface of the clamping plate 38 is of an arc structure, the well seat 5 can be fixed more firmly, the rotation of the second motor 21 can drive the rotation of the second threaded rod 22, the rotation of the second threaded rod 22 drives the sliding sleeve second 23 and the sliding sleeve third 24 to slide, the second threaded rod 22 is a bidirectional threaded rod, the sliding of the sliding sleeve drives the movement of the first connecting rod 25 and the second connecting rod 26, the lifting of the pressurizing plate is driven, the inspection well body 1 can be pressed and fixed from the top through the squeezing plate 28, the inspection well is ensured to be fixed more stably, the first connecting pipe 17 is connected with the drain pipe 9 on one side through the expansion and contraction of the first electric telescopic rod 14 and the sliding of the first sliding plate 12, the drain pipe 9 on the other side is sealed, hydrogen is injected into the inspection well body 1, and the detection is carried out around the inspection well through the detector 4, therefore, whether hydrogen leakage exists or not can be conveniently detected, the detection precision is guaranteed, the work efficiency of people is improved, the labor intensity is saved, and the operation and the use of people are facilitated.
The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.

Claims (10)

1. The device for detecting the sealing performance of the plastic inspection well with the reinforcing ribs is characterized by comprising an inspection well body (1), a fixing seat (2), a fixing frame (3) and a detector (4), wherein the inspection well body (1) is arranged at the top end of the fixing seat (2), the inspection well body (1) comprises a well seat (5), a shaft (6) and a well cover (7), the reinforcing ribs (8) are fixed at the outer side of the inspection well body (1), drain pipes (9) are symmetrically connected to two side edges of the top of the well seat (5), the shaft (6) is fixed at the top end of the well seat (5), the well cover (7) is fixed at the top end of the shaft (6), fixing rods (10) are symmetrically fixed at two sides of the top end of the fixing seat (2), the fixing frame (3) is fixed between the fixing rods (10) at two sides, a sliding groove (11) is formed in the bottom of the fixing frame, the bottom end of the sliding chute (11) is slidably connected with a first sliding plate (12) and a second sliding plate (13) which are matched with the sliding chute (11), a first electric telescopic rod (14) is fixed at the bottom end of the first sliding plate (12), a connecting plate (15) is fixed at the bottom end of the first electric telescopic rod (14), a hydrogen storage tank (16) is fixed at the bottom end of the connecting plate (15), a first connecting pipe (17) is fixed at one side edge of the bottom of the hydrogen storage tank (16) close to the inspection well body (1), the first connecting pipe (17) is connected with one end of the drain pipe (9), the middle part of the first connecting pipe (17) is connected with a booster pump (18), a second electric telescopic rod (19) is fixed at the bottom end of the second sliding plate (13), the detector (4) is fixed at the bottom end of the second electric telescopic rod (19), and a fixed frame (20) is fixed at the middle, the inside of the fixed frame (20) is of a hollow structure, a hollow groove is formed in the middle of the bottom of the fixed frame (20), a second motor (21) is fixed to one side edge of the inside of the fixed frame (20), an output shaft of the second motor (21) is connected with a second threaded rod (22), the second threaded rod (22) is a bidirectional threaded rod, two ends of the second threaded rod (22) are respectively connected with a second sliding sleeve (23) and a third sliding sleeve (24) in sliding fit with the second threaded rod (22), the bottom ends of the second sliding sleeve (23) and the third sliding sleeve (24) are respectively movably connected with one ends of a first connecting rod (25) and a second connecting rod (26), the other ends of the first connecting rod (25) and the second connecting rod (26) are in cross movable connection with a clamping plate (27), a squeezing plate (28) is fixed to the bottom end of the clamping plate (27), and a cavity structure (29) is formed in the middle of the, a first motor (30) is fixed at the bottom end inside the cavity structure (29), an output shaft of the first motor (30) is connected with a rotating shaft (31), a first bevel gear (32) is fixed at the top end of the rotating shaft (31), a second bevel gear (33) and a third bevel gear (34) which are kneaded with the first bevel gear (32) are respectively arranged on two side edges of the top of the first bevel gear (32), one side edges of the second bevel gear (33) and the third bevel gear (34) are both fixed with a first threaded rod (35), and the first threaded rod (35) is connected with the inner wall of the cavity structure (29), a first sliding sleeve (36) matched with the first threaded rod (35) is sleeved on the first threaded rod (35), supporting rods (37) are fixed at the top ends of the first sliding sleeves (36), and the supporting rod (37) penetrates through the cavity structure (29) and extends to the upper part of the cavity structure (29) to be fixed with a clamping plate (38).
2. The tightness detection device with the reinforcing ribs for the plastic inspection well is characterized in that the top end of the detector (4) is connected with the bottom end of the second electric telescopic rod (19) through a universal joint (39).
3. The tightness detection device with the reinforced plastic inspection well according to claim 1, wherein a sliding groove (40) matched with the support rods (37) is formed in the middle of the surface of the fixed seat (2) at a position corresponding to the support rods (37) at the two sides.
4. The tightness detection device with the reinforced plastic inspection well as the claim 1, wherein the sliding sleeve II (23) is internally fixed with a forward thread matched with the threaded rod II (22), and the sliding sleeve III (24) is internally fixed with a reverse thread matched with the threaded rod II (22).
5. The tightness detection device of a plastic inspection well with reinforcing ribs according to claim 1, wherein one end of the first threaded rod (35) far away from the first motor (30) is connected with the inner wall of the cavity structure (29) through a first fixing sleeve (41), and one end of the second threaded rod (22) far away from the second motor (21) is connected with the inner wall of the fixed frame (20) through a second fixing sleeve (42).
6. The tightness detection device of a plastic inspection well with reinforcing ribs according to claim 1, wherein an electric control valve (43) is fixed on the first connecting pipe (17), and the electric control valve (43) is electrically connected with a switch.
7. The tightness detection device with the reinforced plastic inspection well is characterized in that the first connecting pipe (17) is connected with the drain pipe (9) through a sealing ring.
8. The tightness detection device of a plastic inspection well with reinforcing ribs according to claim 1, wherein both ends of the first connecting rod (25) and the second connecting rod (26) are movably connected with the second sliding sleeve (23) and the clamping plate (27) through movable bolts.
9. The tightness detection device with the reinforced plastic inspection well is characterized in that a first control button (44) and a second control button (45) are fixed on one side of the outer portion of the fixed seat (2), the first control button (44) is in control connection with the first motor (30), and the second control button (45) is in control connection with the second motor (21).
10. The tightness detection device of a plastic inspection well with reinforcing ribs according to claim 1, characterized in that supporting legs (46) are fixed at the bottom corners of the fixed base (2), and an anti-skid pad is fixed at the bottom ends of the supporting legs (46).
CN201911116521.2A 2019-11-15 2019-11-15 Take leakproofness detection device of plastics inspection shaft of strengthening rib Pending CN110672274A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911116521.2A CN110672274A (en) 2019-11-15 2019-11-15 Take leakproofness detection device of plastics inspection shaft of strengthening rib

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911116521.2A CN110672274A (en) 2019-11-15 2019-11-15 Take leakproofness detection device of plastics inspection shaft of strengthening rib

Publications (1)

Publication Number Publication Date
CN110672274A true CN110672274A (en) 2020-01-10

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CN201911116521.2A Pending CN110672274A (en) 2019-11-15 2019-11-15 Take leakproofness detection device of plastics inspection shaft of strengthening rib

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