An integral repair device for inspection well lining

By designing an integral repair device for inspection wells, the common well wall leakage and well chamber collapse problems in the inspection wells during use are solved, and rapid cutting and neat repair of the damaged areas are achieved, and the performance of the inspection wells is improved.

CN116240925BActive Publication Date: 2025-05-23SHANGHAI YUFAN ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202310454895.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-25
Publication Date
2025-05-23
Estimated Expiration
2043-04-25

AI Technical Summary

Technical Problem

During use, the inspection well is prone to diseases such as well wall leakage and well chamber collapse, and the local repair effect of the existing technology is poor, which affects the overall performance.

Method used

An integrated repair device for inspection well lining is designed, including a fixing seat, mounting plate, motor, screw, support disc and cutting device. The pulley drives the support plate to move through the motor, support the well wall to stabilize, and cut and repair the damaged area through hydraulic cylinder and cutting knife.

Benefits of technology

It realizes rapid support of the inner wall of the inspection well and full circle cutting of the damaged areas, ensuring the order and effect of subsequent repairs, and improving the overall performance of the inspection well.

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Abstract

The present invention discloses an integral repair device for the lining of an inspection well, comprising a fixing seat, the outer wall of the fixing seat is fixedly connected to a base, the outer wall of the base is symmetrically fixedly connected to a support rod, the lower end of each support rod is installed with a bottom plate, the lower side wall of each bottom plate is installed with an anti-skid pad made of rubber material, the left side wall of the fixing seat is fixedly connected to a mounting plate, and the left side wall of the mounting plate is rotatably connected to a screw rod. Through the use of this device, the present invention can quickly support the damaged lining of the inspection well and cut the entire circle of the damaged part, so as to facilitate the subsequent more neat repair, thereby ensuring the performance of the inspection well.
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Description

Technical Field

[0001] The invention relates to the technical field of maintenance and reconstruction of urban municipal public facilities, and in particular to an integral repair device for an inspection well lining. Background Art

[0002] In daily operation, inspection wells not only bear the dynamic load of road vehicles, but also the pressure of the surrounding soil and the hydrostatic pressure of the ground. In addition, the internal environment of the well is also very complex. It has been corroded by waste liquid and exhaust gas for a long time, which affects its sealing and structural properties. Human damage, sand holes, local perforations, leaking reinforcement, inner wall defects, etc. during use have caused widespread problems such as well wall leakage and well chamber collapse. Even more unfortunately, the initial construction technology of many inspection wells did not meet the standards, the materials were unqualified, the foundation was unstable and the settlement was uneven, which had long caused congenital deficiencies.

[0003] When the inner wall of an existing inspection well is damaged, the evenly distributed damaged areas are often repaired. However, the local repair area has a poor fit with the inspection well itself, which affects the performance of the entire inspection well. It is necessary to cut and repair the entire circle of the damaged area of ​​the inspection well to ensure the performance of the inspection well.

[0004] Therefore, a device for integrally repairing the inner lining of an inspection well is proposed. Summary of the invention

[0005] The purpose of the present invention is to solve the problems in the background technology and to propose an integral repair device for the lining of an inspection well.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A device for integrally repairing the lining of an inspection well comprises a fixing seat, the outer wall of the fixing seat is fixedly connected to a base, the outer wall of the base is symmetrically fixedly connected to a support rod, the lower end of each support rod is installed with a bottom plate, the lower side wall of each bottom plate is installed with an anti-skid pad made of rubber material, the left side wall of the fixing seat is fixedly connected to a mounting plate, the left side wall of the mounting plate is rotatably connected to a screw, the outer wall fixing sleeve of the screw is provided with a pulley 2, the left side wall of the mounting plate is fixedly connected to a motor 1 located above the screw, the driving end of the motor 1 is fixedly connected to a pulley 1, the outer walls of the pulley 1 and the pulley 2 are jointly sleeved with a belt, and the outer wall of the screw is threadedly connected to a The cam is an angular channel that is fixedly connected to the left side of the second movable plate, and the right side wall of the movable plate is fixedly connected to a guide rod three that penetrates to the right side of the mounting plate, the left side wall of the movable plate is symmetrically fixedly connected to a connecting rod one, the left ends of the two connecting rods one are commonly fixedly connected to a supporting circular plate one, the left side wall of the supporting circular plate one is fixedly connected to a fixing rod, the left end of the fixing rod is fixedly connected to a supporting circular plate two, the outer wall of the fixing rod is provided with a rotating plate one located between the supporting circular plates one and the supporting circular plates two, the outer wall sliding sleeve of the fixing rod is provided with a rotating plate two located on the left side of the rotating plate one, cutting devices are provided on both the rotating plate one and the rotating plate two, the left side wall of the supporting circular plate one is provided with a driving mechanism, and the right side wall of the supporting circular plate two is provided with a moving mechanism.

[0008] Preferably, the cutting device includes grooves opened on rotating plate one and rotating plate two, the inner bottom walls of the grooves on the same side are fixedly connected to a hydraulic cylinder, the end of the hydraulic cylinder away from the inner wall on the right side of the groove is fixedly connected to a trapezoidal block, the inner bottom walls of the grooves on the same side are slidably inserted with an insertion rod extending to the outside, the top ends of the two insertion rods are fixedly connected to a cutting knife, the lower ends of the insertion rods on the same side are fixedly connected to a connecting plate, a spring slidingly sleeved on the outer wall of the insertion rod is fixedly connected between the upper side wall of the connecting plate on the same side and the inner top wall of the groove, and the lower side wall of the connecting plate on the same side is fixedly connected to a resist rod that contacts the inclined wall of the trapezoidal block.

[0009] Preferably, the inner top walls of the grooves on the same side are symmetrically fixedly connected with a guide rod that passes through the bottom of the connecting plate, and the lower ends of the two support rods are circular.

[0010] Preferably, a bearing is fixedly embedded in the left side wall of the rotating plate 1, and the inner ring of the bearing is fixedly connected to the outer wall of the fixing rod.

[0011] Preferably, the left side wall of the rotating plate one is fixedly connected with a sleeve located below the fixed rod, the right side wall of the rotating plate two is fixedly connected with a sliding rod extending into the interior of the sleeve, the outer wall of the sliding rod located inside the sleeve is symmetrically fixedly connected with guide rods 2 that are slidably connected to the inner wall of the sleeve, and the inner side wall of the sleeve is symmetrically provided with guide grooves that match the two guide rods 2.

[0012] Preferably, the driving mechanism includes a motor 2 fixedly connected to the left side of a supporting circular plate 1, a driving end of the motor 2 is fixedly connected to a gear, the right side wall of the rotating plate 1 is symmetrically fixedly connected to a connecting rod 2 located outside the fixed rod, and the right ends of the two connecting rods 2 are commonly fixedly connected to a toothed disk which is sleeved on the outer wall of the fixed rod and meshes with the gear.

[0013] Preferably, the moving mechanism includes a slide groove opened on the right side wall of the supporting circular plate 2, the inner top wall of the slide groove is fixedly connected to the motor 3, the driving end of the motor 3 is fixedly connected to the threaded rod rotatably connected to the lower inner wall of the slide groove, the right side wall of the threaded rod is rotatably connected to a rotating rod, and the right end of the rotating rod is rotatably connected to the left side wall of the rotating plate 2.

[0014] Preferably, the outer walls of the supporting circular plate 1 and the supporting circular plate 2 are both provided with an annular groove, and the inner walls of the annular grooves on the same side are both rotatably provided with a plurality of balls.

[0015] Compared with the existing technology, the advantages of the overall repair device for the manhole lining of the present application are:

[0016] 1. Set a fixed seat, a mounting plate, a motor 1, a screw, a support disc 1 and a support disc 2, place the device inside the inner lining of the inspection well, start the motor 1, and the driving end of the motor 1 drives the pulley 1 to rotate clockwise or counterclockwise, thereby driving the pulley 2 to rotate clockwise or counterclockwise, thereby driving the support disc 1 and the support disc 2 to move left or right, and the movement of the support disc 1 and the support disc 2 can support the outer side of the inner wall of the damaged inspection well, thereby ensuring the stability of the inspection well during repair;

[0017] 2. Set up a moving mechanism and a rotating plate 2, start the motor 3, and the driving end of the motor 3 drives the threaded rod to rotate clockwise or counterclockwise, thereby driving the slider to move upward or downward, thereby driving the rotating rod to rotate, and then driving the rotating plate 2 to move left or right, so as to adjust the distance between the rotating plate 2 and the rotating plate 1, so that the rotating plate 1 and the rotating plate 2 are just outside the damaged inner wall of the inspection well, so that the damaged inner wall can be cut later;

[0018] 3. Set up a driving mechanism, a hydraulic cylinder, a trapezoidal block, a push rod and a cutting knife, start the hydraulic cylinder, and the driving end of the hydraulic cylinder drives the trapezoidal block to move to the left, so that the trapezoidal block squeezes and contacts the push rod, drives the push rod, the connecting plate, the plug rod and the cutting knife to move outward, and extends the cutting knife to the deep inner wall of the monitoring well. Finally, start the second motor, and the driving end of the second motor drives the gear to rotate, and then drives the gear plate, the first rotating plate, the second rotating plate and the cutting knife to rotate, so as to realize the cutting of the damaged part of the inner wall of the inspection well, thereby facilitating the subsequent neat repair work, and then ensuring the neatness of the repair of the inner wall of the inspection well;

[0019] In summary, through the use of the present invention, the damaged inner wall of the inspection well can be quickly supported and the entire circle of the damaged part can be cut, thereby facilitating subsequent more neat repairs and ensuring the performance of the inspection well. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a device for integrally repairing an inspection well lining proposed by the present invention;

[0021] Figure 2 A side view of a transfer plate 1 in a device for integrally repairing an inspection well lining provided by the present invention;

[0022] Figure 3 A cross-sectional view of the connection between the casing, the second guide rod and the sliding rod in the overall repair device for the inner lining of an inspection well proposed by the present invention;

[0023] Figure 4 The figure is a side view of a supporting circular plate in a device for integrally repairing an inspection well lining proposed by the present invention.

[0024] In the figure: 1 fixed seat, 2 base, 3 support rod, 4 bottom plate, 5 mounting plate, 6 screw rod, 7 motor 1, 8 pulley 1, 9 pulley 2, 10 moving plate, 11 connecting rod 1, 12 supporting circular plate 1, 13 fixed rod, 14 annular groove, 15 ball, 16 rotating plate 1, 17 rotating plate 2, 18 groove, 19 hydraulic cylinder, 20 trapezoidal block, 21 plug rod, 22 cutting knife, 23 connecting plate, 24 spring, 25 guide rod 1, 26 push rod, 27 connecting rod 2, 28 toothed disc, 29 motor 2, 30 gear, 31 sleeve, 32 slide rod, 33 guide rod 2, 34 supporting circular plate 2, 35 rotating rod, 36 slide groove, 37 motor 3, 38 threaded rod, 39 slider. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] Reference Figure 1-4 , a device for repairing the lining of an inspection well as a whole, comprises a fixed seat 1, the outer wall of the fixed seat 1 is fixedly connected to a base 2, the outer wall of the base 2 is symmetrically fixedly connected to a support rod 3, the lower end of each support rod 3 is installed with a bottom plate 4, and the lower side wall of each bottom plate 4 is installed with an anti-slip pad made of rubber material, the left side wall of the fixed seat 1 is fixedly connected to a mounting plate 5, the left side wall of the mounting plate 5 is rotatably connected to a screw rod 6, the outer wall of the screw rod 6 is fixedly sleeved with a pulley 2 9, the left side wall of the mounting plate 5 is fixedly connected to a motor 1 7 located above the screw rod 6, the driving end of the motor 1 7 is fixedly connected to a pulley 1 8, the outer walls of the pulley 1 8 and the pulley 2 9 are jointly sleeved with a belt, the outer wall of the screw rod 6 is threadedly connected to a movable plate 10 located on the left side of the pulley 2 9, and the right side wall of the movable plate 10 is fixedly connected to a guide rod 3 that runs through the right side of the mounting plate 5.

[0028] The left side wall of the movable plate 10 is symmetrically fixedly connected with a connecting rod 11, and the left ends of the two connecting rods 11 are commonly fixedly connected with a supporting circular plate 12, and the left side wall of the supporting circular plate 12 is fixedly connected with a fixing rod 13, and the left end of the fixing rod 13 is fixedly connected with a supporting circular plate 2 34, and the outer walls of the supporting circular plate 12 and the supporting circular plate 2 34 are both provided with annular grooves 14, and the inner walls of the annular grooves 14 on the same side are rotatably provided with a plurality of balls 15, and the outer wall of the fixing rod 13 is provided with a rotating plate 16 located between the supporting circular plate 12 and the supporting circular plate 2 34, and the left side wall of the rotating plate 16 is fixedly embedded with a bearing, and the inner ring of the bearing is fixedly connected to the outer wall of the fixing rod 13, and the outer wall of the fixing rod 13 is slidingly sleeved with a rotating plate 2 17 located on the left side of the rotating plate 16, and the left side wall of the rotating plate 16 is fixedly connected with a sleeve 31 located below the fixing rod 13, and the right side wall of the rotating plate 2 17 is fixedly connected with a sliding rod 32 extending to the inside of the sleeve 31.

[0029] The outer wall of the sliding rod 32 located inside the sleeve 31 is symmetrically fixedly connected with a guide rod 2 33 slidably connected to the inner wall of the sleeve 31, and the inner wall of the sleeve 31 is symmetrically provided with guide grooves matching the two guide rods 2 33. The rotating plate 16 and the rotating plate 2 17 are both provided with cutting devices, and the cutting devices include grooves 18 opened on the rotating plate 16 and the rotating plate 2 17. The inner bottom wall of the groove 18 on the same side is fixedly connected with a hydraulic cylinder 19, and the end of the hydraulic cylinder 19 away from the inner wall of the right side of the groove 18 is fixedly connected with a trapezoidal block 20. The inner bottom wall of the groove 18 on the same side is slidably inserted with a groove extending to the outside The top ends of the two insertion rods 21 are fixedly connected with cutting knives 22, the lower ends of the insertion rods 21 on the same side are fixedly connected with connecting plates 23, the upper side walls of the connecting plates 23 on the same side and the inner top wall of the groove 18 are fixedly connected with springs 24 slidably sleeved on the outer walls of the insertion rods 21, the lower side walls of the connecting plates 23 on the same side are fixedly connected with push rods 26 that abut against the inclined walls of the trapezoidal blocks 20, the inner top walls of the grooves 18 on the same side are symmetrically fixedly connected with guide rods 25 that penetrate to the bottom of the connecting plates 23, and the lower ends of the two push rods 26 are circularly arranged.

[0030] A driving mechanism is provided on the left side wall of the supporting circular plate 12, and the driving mechanism includes a motor 29 fixedly connected to the left side of the supporting circular plate 12, and the driving end of the motor 29 is fixedly connected to a gear 30. The right side wall of the rotating plate 16 is symmetrically fixedly connected to a connecting rod 27 located on the outside of the fixed rod 13, and the right ends of the two connecting rods 27 are commonly fixedly connected to a toothed disk 28 which is sleeved on the outer wall of the fixed rod 13 and meshed with the gear 30. A moving mechanism is provided on the right side wall of the supporting circular plate 24, and the moving mechanism includes a slide groove 36 opened on the right side wall of the supporting circular plate 24, and the inner top wall of the slide groove 36 is fixedly connected to a motor 37, and the driving end of the motor 37 is fixedly connected to a threaded rod 38 rotatably connected to the lower inner wall of the slide groove 36. The right side wall of the threaded rod 38 is rotatably connected to a rotating rod 35, and the right end of the rotating rod 35 is rotatably connected to the left side wall of the rotating plate 2 17.

[0031] The device is placed inside the inner lining of the inspection well, and the motor 17 is started. The driving end of the motor 17 drives the pulley 18 to rotate clockwise or counterclockwise, thereby driving the pulley 2 9 to rotate clockwise or counterclockwise, thereby driving the support circular plate 12 and the support circular plate 2 34 to move left or right. The movement of the support circular plate 12 and the support circular plate 2 34 supports the outer side of the damaged inner wall of the inspection well, thereby ensuring the stability of the inspection well during repair. The driving end of the motor 37 drives the threaded rod 38 to rotate clockwise or counterclockwise, thereby driving the slider 39 to move upward or downward, thereby driving the rotating rod 35 to rotate, and then driving the rotating plate 2 17 to move left or right, realizing the distance adjustment between the rotating plate 2 17 and the rotating plate 1 16, so that the rotating plate 1 16 and the rotating plate 2 17 are just on the outer side of the damaged inner wall of the inspection well, so that the damaged inner wall can be cut later;

[0032] Start the hydraulic cylinder 19, and the driving end of the hydraulic cylinder 19 drives the trapezoidal block 20 to move to the left, so that the trapezoidal block 20 squeezes and contacts the push rod 26, drives the push rod 26, the connecting plate 23, the insertion rod 21 and the cutting knife 22 to move outward, so that the cutting knife 22 extends to the deep inner wall of the monitoring well, and finally starts the motor 29, and the driving end of the motor 29 drives the gear 30 to rotate, thereby driving the toothed disc 28, the rotating plate 16, the rotating plate 2 17 and the cutting knife 22 to rotate, so as to realize the cutting of the damaged part of the inner wall of the inspection well, thereby facilitating the subsequent neat repair work, thereby ensuring the neatness of the repair of the inner wall of the inspection well.

[0033] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0034] The operating principle of the present invention is now described as follows:

[0035] When in use, the device is placed inside the inner lining of the inspection well, and the motor 17 is started. The driving end of the motor 17 drives the pulley 18 to rotate clockwise or counterclockwise, thereby driving the pulley 2 9 to rotate clockwise or counterclockwise, thereby driving the supporting circular plate 12 and the supporting circular plate 2 34 to move left or right. The movement of the supporting circular plate 12 and the supporting circular plate 2 34 supports the outer side of the damaged inner wall of the inspection well, thereby ensuring the stability of the inspection well during repair. The driving end of the motor 37 drives the threaded rod 38 to rotate clockwise or counterclockwise, thereby driving the slider 39 to move upward or downward, thereby driving the rotating rod 35 to rotate, and then driving the rotating plate 2 17 to move left or right, realizing the distance adjustment between the rotating plate 2 17 and the rotating plate 1 16, so that the rotating plate 1 16 and the rotating plate 2 17 are just on the outer side of the damaged inner wall of the inspection well, so that the damaged inner wall can be cut later;

[0036] Start the hydraulic cylinder 19, and the driving end of the hydraulic cylinder 19 drives the trapezoidal block 20 to move to the left, so that the trapezoidal block 20 squeezes and contacts the push rod 26, drives the push rod 26, the connecting plate 23, the insertion rod 21 and the cutting knife 22 to move outward, so that the cutting knife 22 extends to the deep inner wall of the monitoring well, and finally starts the motor 29, and the driving end of the motor 29 drives the gear 30 to rotate, thereby driving the toothed disc 28, the rotating plate 16, the rotating plate 2 17 and the cutting knife 22 to rotate, so as to realize the cutting of the damaged part of the inner wall of the inspection well, thereby facilitating the subsequent neat repair work, thereby ensuring the neatness of the repair of the inner wall of the inspection well.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An integral repair device for the lining of an inspection well, comprising a fixing seat, It is characterized in that The outer wall of the fixed seat is fixedly connected to the base, and the outer wall of the base is symmetrically fixedly connected to the support rod, the lower end of each support rod is installed with a bottom plate, and the lower side wall of each bottom plate is installed with an anti-slip pad made of rubber material, the left side wall of the fixed seat is fixedly connected to the mounting plate, and the left side wall of the mounting plate is rotatably connected to the screw rod, the outer wall fixed sleeve of the screw rod is provided with a pulley 2, the left side wall of the mounting plate is fixedly connected to a motor 1 located above the screw rod, the driving end of the motor 1 is fixedly connected to a pulley 1, and the outer walls of the pulley 1 and the pulley 2 are jointly provided with a belt, the outer wall of the screw rod is threadedly connected to a movable plate located on the left side of the pulley 2, and the movable plate The right side wall is fixedly connected with a guide rod three that runs through the right side of the mounting plate, the left side wall of the movable plate is symmetrically fixedly connected with a connecting rod one, the left ends of the two connecting rods one are commonly fixedly connected with a supporting circular plate one, the left side wall of the supporting circular plate one is fixedly connected with a fixing rod, the left end of the fixing rod is fixedly connected with a supporting circular plate two, the outer wall of the fixing rod is provided with a rotating plate one located between the supporting circular plates one and the supporting circular plates two, the outer wall sliding sleeve of the fixing rod is provided with a rotating plate two located on the left side of the rotating plate one, the rotating plate one and the rotating plate two are both provided with cutting devices, the left side wall of the supporting circular plate one is provided with a driving mechanism, and the right side wall of the supporting circular plate two is provided with a moving mechanism; The cutting device includes grooves opened on rotating plate 1 and rotating plate 2, the inner bottom walls of the grooves on the same side are fixedly connected with hydraulic cylinders, the end of the hydraulic cylinder away from the inner wall on the right side of the groove is fixedly connected with a trapezoidal block, the inner bottom walls of the grooves on the same side are slidably inserted with plug rods extending to the outside, the top ends of the two plug rods are fixedly connected with cutting knives, the lower ends of the plug rods on the same side are fixedly connected with connecting plates, springs slidingly sleeved on the outer walls of the plug rods are fixedly connected between the upper side walls of the connecting plates on the same side and the inner top walls of the grooves, and the lower side walls of the connecting plates on the same side are fixedly connected with abutment rods that abut against the inclined walls of the trapezoidal blocks.

2. The overall repair device for the manhole lining according to claim 1, It is characterized in that The inner top walls of the grooves on the same side are symmetrically fixedly connected with a guide rod that penetrates to the bottom of the connecting plate, and the lower ends of the two support rods are both circular.

3. The overall repair device for the manhole lining according to claim 1, It is characterized in that A bearing is fixedly embedded in the left side wall of the rotating plate 1, and the inner ring of the bearing is fixedly connected to the outer wall of the fixing rod.

4. The overall repair device for the manhole lining according to claim 1, It is characterized in that The left side wall of rotating plate one is fixedly connected with a sleeve located below the fixed rod, the right side wall of rotating plate two is fixedly connected with a sliding rod extending into the inside of the sleeve, the outer wall of the sliding rod located inside the sleeve is symmetrically fixedly connected with guide rods two that are slidably connected to the inner wall of the sleeve, and the inner side wall of the sleeve is symmetrically provided with guide grooves that match the two guide rods two.

5. The overall repair device for the manhole lining according to claim 1, It is characterized in that The driving mechanism includes a motor 2 fixedly connected to the left side of a supporting circular plate 1, a driving end of the motor 2 is fixedly connected to a gear, a connecting rod 2 located outside the fixed rod is symmetrically fixedly connected to the right side wall of the rotating plate 1, and the right ends of the two connecting rods 2 are commonly fixedly connected to a toothed disk which is sleeved on the outer wall of the fixed rod and meshes with the gear.

6. The overall repair device for the manhole lining according to claim 1, It is characterized in that The moving mechanism includes a slide groove opened on the right side wall of the supporting circular plate 2, the inner top wall of the slide groove is fixedly connected to the motor 3, the driving end of the motor 3 is fixedly connected to the threaded rod rotatably connected to the lower inner wall of the slide groove, the right side wall of the threaded rod is rotatably connected to the rotating rod, and the right end of the rotating rod is rotatably connected to the left side wall of the rotating plate 2.

7. The overall repair device for the manhole lining according to claim 1, It is characterized in that The outer walls of the supporting circular plate 1 and the supporting circular plate 2 are both provided with an annular groove, and the inner walls of the annular grooves on the same side are both rotatably provided with a plurality of balls.

Citation Information

Patent Citations

  • Inspection well peripheral annular cutting device and method

    CN108589497A

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