Matching device for well lid pressure testing machine

By automatically moving the manhole cover to the lifting platform through a clamping and driving mechanism, the problem of manual handling and position adjustment of manhole covers is solved, and efficient and stable manhole cover pressure testing is achieved.

CN224035102UActive Publication Date: 2026-03-24TIANJIN JIANZHI CONSTR ENG TESTING & CHECKING EXPERIMENTAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In the current process of manhole cover pressure testing, the manhole covers are large in size and heavy in weight, and manual handling is time-consuming and labor-intensive. In addition, the position needs to be manually adjusted during the testing process, resulting in low testing efficiency and high labor intensity.

Method used

The manhole cover is held in place by a clamping mechanism and a drive mechanism. The clamping mechanism holds the manhole cover, while the rotating adjustment component and the lifting adjustment component move the manhole cover to the lifting platform. The lifting platform is used to test the compressive strength, and the limiting mechanism maintains the stability of the manhole cover during the test.

Benefits of technology

The elimination of the need for manual handling and adjustment of manhole covers improves inspection efficiency, reduces labor intensity, and enhances the stability of the inspection process and the service life of the manhole covers.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224035102U_ABST
    Figure CN224035102U_ABST
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Abstract

The utility model relates to a matching device for a well lid pressure testing machine, and relates to the field of well lid pressure testing technologies. The device comprises a bottom plate, a supporting stand column arranged on the bottom plate, a pressure-bearing top plate arranged at the top of the supporting stand column, a through hole formed in the pressure-bearing top plate, a lifting table arranged below the through hole, a clamping mechanism used for clamping a well lid and a driving mechanism used for driving the clamping mechanism to move. The driving mechanism comprises a base, a rotating adjusting assembly and a lifting adjusting assembly, wherein the rotating adjusting assembly and the lifting adjusting assembly are arranged on the base, and the lifting adjusting assembly is connected with the rotating adjusting assembly and the clamping mechanism. The driving mechanism drives the clamping mechanism to move, so that the clamping mechanism clamps the well lid to the lifting table, manual carrying is not needed, the labor intensity of workers is reduced, and the detection efficiency of the well lid is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of well lid pressure testing technology, and particularly relates to a matching device for a well lid pressure testing machine. BACKGROUND

[0002] Before the well lid is delivered, the performance of the well lid needs to be detected to ensure that the well lid has sufficient pressure bearing capacity, and the well lid needs to be tested by a well lid pressure testing machine. The well lid pressure testing machine comprises a lifting platform for placing the well lid and a load sensor arranged on the lifting platform. The lifting platform is moved towards the load sensor by being turned on, and the deformation resistance of the well lid is detected by the load sensor.

[0003] When the well lid needs to be tested, the staff needs to manually carry and place the well lid on the lifting platform. Since the well lid is large in size and heavy in weight, the manual carrying method is time-consuming and laborious. After the well lid is placed on the lifting platform, the position of the well lid needs to be manually adjusted to ensure the stability of the detection process, thereby increasing the labor intensity of the staff and reducing the detection efficiency of the well lid. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above technical problems, the present application provides a matching device for a well lid pressure testing machine.

[0005] The matching device for a well lid pressure testing machine provided by the present application adopts the following technical solution:

[0006] The matching device for a well lid pressure testing machine comprises a bottom plate, a support column arranged on the bottom plate, a pressure bearing top plate arranged on the top of the support column, a through hole opened on the pressure bearing top plate, a lifting platform arranged below the through hole, a clamping mechanism for clamping the well lid, and a driving mechanism for driving the clamping mechanism to move. The driving mechanism comprises a base, a rotating adjusting assembly arranged on the base, and a lifting adjusting assembly. The lifting adjusting assembly is connected with the rotating adjusting assembly and the clamping mechanism respectively.

[0007] By adopting the above technical solution, the clamping mechanism clamps the well lid, the rotating adjusting assembly and the lifting adjusting assembly move the clamping mechanism and the well lid to the lifting platform, and the lifting platform drives the well lid to move towards the pressure bearing top plate, so as to detect the compression resistance of the well lid. The well lid is placed on the lifting platform by the clamping mechanism and the driving mechanism, the driving mechanism moves the clamping mechanism to a specified position, so that the well lid is located at a specified position on the lifting platform, without manual carrying and adjusting, thereby improving the detection efficiency of the well lid.

[0008] Preferably, the clamping mechanism comprises a mounting plate, a plurality of support plates arranged on the mounting plate, a first electric telescopic rod arranged on the support plates, and a clamping block with a clamping groove arranged on the clamping block, the clamping block is connected with the telescopic end of the first electric telescopic rod, and the plurality of support plates are arranged in a circular array on the mounting plate.

[0009] By adopting the above technical scheme, the first electric telescopic rod drives the plurality of clamping blocks to move close to each other, so as to clamp the manhole cover through the clamping groove, when the clamping mechanism and the manhole cover are located above the lifting platform, the first electric telescopic rod drives the plurality of clamping blocks to move away from each other, so as to place the manhole cover on the lifting platform.

[0010] Preferably, the rotating adjusting assembly comprises a first motor arranged on the base, a mounting shaft, a driving gear and a driven gear, the mounting shaft is rotatably connected with the base, the driving gear is fixedly connected with the transmission shaft of the first motor, the driven gear is arranged on the mounting shaft, the driving gear and the driven gear are meshingly connected, and the mounting shaft is connected with the lifting adjusting assembly.

[0011] By adopting the above technical scheme, the first motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the mounting shaft to rotate, the mounting shaft drives the lifting adjusting assembly and the clamping mechanism to rotate, so that the clamping mechanism and the manhole cover are towards the lifting platform, and then the manhole cover is placed on the specified position on the lifting platform.

[0012] Preferably, the lifting adjusting assembly comprises a mounting column arranged on the mounting shaft, a second motor arranged at one end of the mounting column away from the mounting shaft, a limiting sliding groove arranged on the mounting column, a lead screw arranged in the limiting sliding groove, and a limiting sliding block, one end of the lead screw is fixedly connected with the transmission shaft of the second motor, the other end is rotatably connected with the mounting column, the limiting sliding block is threadedly connected with the lead screw, the limiting sliding block is slidably connected with the limiting sliding groove, and the limiting sliding block is connected with the mounting plate.

[0013] By adopting the above technical scheme, the second motor drives the lead screw to rotate, the lead screw drives the limiting sliding block to slide in the limiting sliding groove, and the limiting sliding block drives the clamping mechanism and the manhole cover to lift, so as to move the clamping mechanism and the manhole cover above the lifting platform.

[0014] Preferably, a second electric telescopic rod is arranged on the limiting sliding block, and the second electric telescopic rod is connected with the mounting plate.

[0015] By adopting the above technical scheme, the second electric telescopic rod drives the clamping mechanism and the manhole cover to move above the lifting platform, so as to place the manhole cover on the lifting platform.

[0016] Preferably, the lifting platform includes a hydraulic jacking machine mounted on the base plate and a placement plate for placing the manhole cover. The placement plate is connected to the hydraulic jacking machine, and a limiting mechanism for limiting the manhole cover is provided on the outside of the placement plate.

[0017] By employing the above technical solution, a hydraulic jacking machine lifts the placement plate and manhole cover, causing the manhole cover to come into contact with the pressure-bearing top plate, thereby conducting a pressure resistance test on the manhole cover. A limiting mechanism restricts the manhole cover during its ascent, reducing positional deviation and improving the stability of the testing process.

[0018] Preferably, the limiting mechanism includes multiple limiting plates and multiple third electric telescopic rods disposed on the supporting column. The limiting plates are connected to the third electric telescopic rods, and the top of the limiting plates abuts against the pressure-bearing top plate. The multiple limiting plates are arranged in a circumferential array on the outside of the placement plate.

[0019] By adopting the above technical solution, after the manhole cover is placed on the placement plate, the third electric telescopic rod drives the limiting plate to move closer to the placement plate and the manhole cover. The limiting plates arranged in a circular array on the outside of the placement plate push the manhole cover to the center of the placement plate and limit the manhole cover during the rising process, so that the manhole cover is kept in the center of the placement plate, thereby improving the stability of the detection process.

[0020] Preferably, the limiting plate is provided with a plurality of rollers on the side near the placement plate, and the rollers are arranged vertically and evenly on the limiting plate.

[0021] By adopting the above technical solution, the manhole cover comes into contact with the roller during the rising process. The rotation of the roller reduces the wear on the manhole cover and the limiting plate, thereby improving the service life of the manhole cover and the limiting plate.

[0022] In summary, this application has the following beneficial technical effects:

[0023] 1. The clamping mechanism clamps the manhole cover. Rotating the adjustment component and the lifting adjustment group moves the clamping mechanism and the manhole cover to the lifting platform. The lifting platform moves the manhole cover closer to the pressure-bearing top plate, thereby testing the compressive strength of the manhole cover. This eliminates the need for workers to move the manhole cover, thus reducing the labor intensity of workers and improving the testing efficiency of the manhole cover.

[0024] 2. This application uses a limiting mechanism to limit the position of the manhole cover during the rising process, thereby reducing the phenomenon of manhole cover displacement and improving the stability of the detection process. Attached Figure Description

[0025] Figure 1is a structural schematic view of a matching device for a manhole cover pressure testing machine provided by an embodiment of the present application;

[0026] Figure 2 is a structural schematic view of a clamping mechanism and a driving mechanism provided by an embodiment of the present application;

[0027] Figure 3 is a structural schematic view of a clamping mechanism provided by an embodiment of the present application.

[0028] The reference signs are as follows: 1, bottom plate; 11, support column; 12, pressure bearing top plate; 121, through hole; 13, lifting platform; 131, hydraulic jacking machine; 132, placing plate; 2, clamping mechanism; 21, mounting plate; 22, support plate; 23, first electric telescopic rod; 24, clamping block; 25, clamping groove; 3, driving mechanism; 31, base; 32, rotation adjusting assembly; 321, first motor; 322, mounting shaft; 323, driving gear; 324, driven gear; 33, lifting adjusting assembly; 331, mounting column; 332, second motor; 333, limiting sliding groove; 334, lead screw; 335, limiting sliding block; 336, second electric telescopic rod; 4, limiting mechanism; 41, limiting plate; 42, third electric telescopic rod; 43, roller. DETAILED DESCRIPTION

[0029] The following will be described in detail with reference to the accompanying drawings Figures 1-3 The present application is further described in detail.

[0030] An embodiment of the present application discloses a matching device for a manhole cover pressure testing machine.

[0031] Reference will be made to Figure 1 , Figure 2 and Figure 3 A matching device for a manhole cover pressure testing machine comprises a bottom plate 1, a support column 11 fixedly arranged on the bottom plate 1, a pressure bearing top plate 12 fixedly arranged on the top of the support column 11, a through hole 121 arranged on the pressure bearing top plate 12, a lifting platform 13 arranged below the through hole 121, a clamping mechanism 2 for clamping a manhole cover, and a driving mechanism 3 for driving the clamping mechanism 2 to move. The driving mechanism 3 comprises a base 31, a rotation adjusting assembly 32 arranged on the base 31, and a lifting adjusting assembly 33, which is connected with the rotation adjusting assembly 32 and the clamping mechanism 2 respectively.

[0032] The clamping mechanism 2 comprises a mounting plate 21, four support plates 22 arranged on the mounting plate 21, a first electric telescopic rod 23 fixedly arranged on the support plate 22, and a clamping block 24, wherein the clamping block 24 is provided with a clamping groove 25, the clamping block 24 is fixedly connected with the telescopic end of the first electric telescopic rod 23, and the four support plates 22 are arranged in a circumferential array on the mounting plate 21.

[0033] The rotating adjusting assembly 32 comprises a first motor 321 fixedly arranged on the base 31, a mounting shaft 322 rotatably connected with the base 31 through a bearing, a driving gear 323 fixedly connected with a transmission shaft of the first motor 321, a driven gear 324 fixedly arranged on the mounting shaft 322, and the driving gear 323 and the driven gear 324 are in meshing connection, and the mounting shaft 322 is connected with the lifting adjusting assembly 33.

[0034] The lifting adjusting assembly 33 comprises a mounting column 331 fixedly arranged on the mounting shaft 322, a second motor 332 fixedly arranged on an end of the mounting column 331 away from the mounting shaft 322, a limiting sliding groove 333 opened on the mounting column 331, a lead screw 334 and a limiting sliding block 335 arranged in the limiting sliding groove 333, one end of the lead screw 334 is fixedly connected with a transmission shaft of the second motor 332, the other end is rotatably connected with the mounting column 331 through a bearing, the limiting sliding block 335 is threadedly connected with the lead screw 334, the limiting sliding block 335 is slidably connected with the limiting sliding groove 333, and the limiting sliding block 335 is connected with the mounting plate 21.

[0035] The second electric telescopic rod 336 is fixedly arranged on the limiting sliding block 335 and is fixedly connected with the mounting plate 21.

[0036] The lifting platform 13 comprises a hydraulic jacking machine 131 fixedly arranged on the bottom plate 1 and a placing plate 132 for placing the manhole cover, the placing plate 132 is fixedly connected with the hydraulic jacking machine 131, and a limiting mechanism 4 for limiting the manhole cover is arranged on the outer side of the placing plate 132.

[0037] The limiting mechanism 4 comprises four limiting plates 41 and four third electric telescopic rods 42 fixedly arranged on the supporting column 11, the limiting plates 41 are fixedly connected with the third electric telescopic rods 42, the top of the limiting plate 41 is in abutment with the pressure bearing top plate 12, and the four limiting plates 41 are arranged in a circumferential array on the outer side of the placing plate 132.

[0038] A plurality of rollers 43 are arranged on the side of the limiting plate 41 close to the placing plate 132, and the rollers 43 are vertically and uniformly arranged on the limiting plate 41.

[0039] The implementation principle of the fitting device of the well lid pressure testing machine is as follows: the first electric telescopic rod 23 drives the four clamping blocks 24 to move close to each other, so that the well lid is clamped, then the second motor 332 drives the lead screw 334 to rotate, the lead screw 334 drives the limiting sliding block 335 to slide in the limiting sliding groove 333, the limiting sliding block 335 drives the clamping mechanism 2 and the well lid to rise, the first motor 321 drives the driving gear 323 to rotate, the driving gear 323 drives the driven gear 324 and the mounting shaft 322 to rotate, the mounting shaft 322 drives the mounting column 331, the clamping mechanism 2 and the well lid to rotate, so that the well lid faces the placement plate 132, then the second electric telescopic rod 336 drives the clamping mechanism 2 and the well lid to move above the placement plate 132, the first electric telescopic rod 23 drives the four clamping blocks 24 to move away from each other, so that the well lid is placed on the placement plate 132, without manual carrying and adjusting the position of the well lid, so that the detection efficiency of the well lid is improved and the labor intensity of the workers is reduced. In the process that the hydraulic jacking machine 131 drives the placement plate 132 and the well lid to rise, the limiting plate 41 limits the well lid, so that the phenomenon of position deviation of the well lid in the rising process is reduced, without manual adjustment of the position of the well lid, so that the detection efficiency of the well lid is improved. In the process that the well lid rises and contacts the roller 43, the wear of the well lid and the limiting plate 41 is reduced, so that the service life of the well lid and the limiting plate 41 is improved.

[0040] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A matching device for a manhole cover pressure testing machine, characterized in that: The device includes a base plate (1), a support column (11) on the base plate (1), a pressure-bearing top plate (12) on the top of the support column (11), a through hole (121) on the pressure-bearing top plate (12), a lifting platform (13) below the through hole (121), a clamping mechanism (2) for clamping the manhole cover, and a driving mechanism (3) for moving the clamping mechanism (2). The driving mechanism (3) includes a base (31), a rotation adjustment component (32) and a lifting adjustment component (33) on the base (31). The lifting adjustment component (33) is connected to the rotation adjustment component (32) and the clamping mechanism (2) respectively.

2. The matching device for a manhole cover pressure testing machine according to claim 1, characterized in that: The clamping mechanism (2) includes a mounting plate (21), a plurality of support plates (22) disposed on the mounting plate (21), a first electric telescopic rod (23) disposed on the support plate (22), and a clamping block (24). The clamping block (24) is provided with a clamping groove (25). The clamping block (24) is connected to the telescopic end of the first electric telescopic rod (23). The plurality of support plates (22) are arranged in a circumferential array on the mounting plate (21).

3. The matching device for a manhole cover pressure testing machine according to claim 2, characterized in that: The rotation adjustment assembly (32) includes a first motor (321), a mounting shaft (322), a drive gear (323), and a driven gear (324) mounted on the base (31). The mounting shaft (322) is rotatably connected to the base (31). The drive gear (323) is fixedly connected to the transmission shaft of the first motor (321). The driven gear (324) is mounted on the mounting shaft (322). The drive gear (323) and the driven gear (324) are meshed together. The mounting shaft (322) is connected to the lifting adjustment assembly (33).

4. The matching device for a manhole cover pressure testing machine according to claim 3, characterized in that: The lifting adjustment assembly (33) includes a mounting column (331) mounted on the mounting shaft (322), a second motor (332) mounted at one end of the mounting column (331) away from the mounting shaft (322), a limiting groove (333) opened on the mounting column (331), a lead screw (334) and a limiting slider (335) mounted in the limiting groove (333). One end of the lead screw (334) is fixedly connected to the drive shaft of the second motor (332), and the other end is rotatably connected to the mounting column (331). The limiting slider (335) is threadedly connected to the lead screw (334), and the limiting slider (335) is slidably connected to the limiting groove (333). The limiting slider (335) is connected to the mounting plate (21).

5. The matching device for a manhole cover pressure testing machine according to claim 4, characterized in that: The limiting slider (335) is provided with a second electric telescopic rod (336), which is connected to the mounting plate (21).

6. The matching device for a manhole cover pressure testing machine according to claim 5, characterized in that: The lifting platform (13) includes a hydraulic jacking machine (131) installed on the base plate (1) and a placement plate (132) for placing the manhole cover. The placement plate (132) is connected to the hydraulic jacking machine (131), and a limiting mechanism (4) for limiting the manhole cover is provided on the outside of the placement plate (132).

7. The matching device for a manhole cover pressure testing machine according to claim 6, characterized in that: The limiting mechanism (4) includes multiple limiting plates (41) and multiple third electric telescopic rods (42) set on the supporting column (11). The limiting plates (41) are connected to the third electric telescopic rods (42). The top of the limiting plate (41) abuts against the pressure-bearing top plate (12). The multiple limiting plates (41) are arranged in a circular array on the outside of the placement plate (132).

8. The matching device for a manhole cover pressure testing machine according to claim 7, characterized in that: The limiting plate (41) is provided with a plurality of rollers (43) on the side near the placement plate (132), and the rollers (43) are arranged vertically and evenly on the limiting plate (41).