A road inspection well cover detection and transfer device

The automated manhole cover inspection and transfer device enables automatic grabbing, transportation and inspection of manhole covers, solving the problem of low efficiency in manual handling, improving inspection efficiency and reducing safety risks.

CN224317442UActive Publication Date: 2026-06-02SHANDONG QUANJIAN ENG TESTING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG QUANJIAN ENG TESTING CO LTD
Filing Date
2025-06-16
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In the existing technology, the pressure detection process for manhole covers relies on manual handling and adjustment, which leads to low efficiency and safety risks.

Method used

An automated manhole cover inspection and transfer device is adopted, which uses a clamping mechanism and lifting components to realize the full-process automation of manhole cover automatic gripping, lateral transportation and inspection position. The manhole cover edge is automatically centered and positioned by the cooperation of clamping plate and threaded rod, and the guiding effect of slide rail and positioning rod avoids the risk of displacement during manual handling.

Benefits of technology

It has achieved full automation of the manhole cover process from grabbing to detection location, shortening the single transfer cycle to one-third of the traditional method, increasing detection efficiency by more than 50%, and eliminating safety hazards caused by manhole cover falling off.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of road inspection well lid detection transfer device, it is related to road engineering detection technical field, comprising: stable platform, the upper position of the stable platform is installed a set of symmetrically distributed positioning leg, a set of support leg, the upper position of stable platform is installed a pressure detection column, a placement platform, the upper placement of placement platform is placed a well lid, the upper position of stable platform is installed a set of support frame, and support frame is composed of a set of horizontal and vertical distribution steel pipe. Through the cooperation of lifting assembly and transfer mechanism, the whole process automation of well lid from grabbing, horizontal transportation to detection position is realized, without manual handling, single transfer cycle is shortened to one third of traditional mode, detection efficiency is improved by more than 50%, especially suitable for batch detection scene.
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Description

Technical Field

[0001] This utility model relates to the field of road engineering inspection technology, and in particular to a road inspection well cover inspection and transfer device. Background Technology

[0002] In the field of road engineering, manhole covers are installed on roads. Before use, these covers need to undergo pressure testing, which is a crucial step in ensuring the safety of municipal facilities. Currently, the pressure testing of road manhole covers mainly relies on manual handling of the covers to the testing device. This manual handling and positioning is a core bottleneck restricting efficiency and safety, with specific drawbacks as follows:

[0003] Existing manhole cover pressure testing machines rely entirely on manual labor to place the manhole cover onto the trolley of the testing device, then manually push it to the testing position, and then manually adjust the position of the manhole cover to align it with the center of the hydraulic cylinder of the pressure testing machine. Because the manhole cover is heavy, it generally requires more than two people to carry it and adjust its position, which is time-consuming and labor-intensive. In addition, there is a safety risk that the manhole cover may fall off during the carrying and adjustment process, and workers may be injured by falling objects. Utility Model Content

[0004] This utility model relates to a road inspection well cover inspection and transfer device. The well cover to be inspected is placed above the placement platform. The winding motor is started to rotate in reverse, releasing the steel wire rope and causing the positioning frame to slowly descend. Then, the first drive motor is started, driving the threaded rod to rotate forward, causing the two clamping plates to move synchronously towards each other. The clamping force can be set by the motor torque until the slots of the clamping plates completely cover the edge of the well cover, completing the clamping and positioning of the well cover. The winding motor is started again to rotate forward, winding the steel wire rope at a uniform speed, raising the well cover to a safe height above the conveyor frame. The controller sends a command to control the second drive motor to drive the gear to rotate, causing the lifting component to move laterally along the slide rail of the support frame, transferring the well cover to the top of the conveyor frame. Then, the first drive motor reverses, releasing the clamping plates, completing the unloading of the well cover. The pulley is controlled to rotate, moving the well cover to be inspected to the position below the pressure testing cylinder, and the pressure testing cylinder is started to begin inspecting the well cover.

[0005] This utility model provides a road inspection well cover inspection and transfer device, specifically including: a stabilizing platform, on which a set of symmetrically distributed positioning legs and a set of supporting legs are installed; above the stabilizing platform, a pressure testing column and a placement platform are installed; a well cover is placed on the placement platform; above the stabilizing platform, a support frame is installed, the support frame is composed of a set of horizontally and vertically distributed steel pipes; above the support frame, two symmetrically distributed slide rails are installed; between the two slide rails, a stabilizing frame is installed; on one side of the stabilizing frame, a positioning block is installed; the positioning block has a rectangular structure; on one side of the positioning block, a second drive motor is installed; a wire rope is installed on the outer side of the winding reel; a hook is installed at the bottom of the wire rope; at the bottom of the hook, a positioning frame is installed; on one side of the positioning frame, an installation block is provided; on one side of the installation block, a first drive motor is installed; above the stabilizing platform, a stabilizing plate is installed; above the stabilizing plate, a pressure testing cylinder is installed; at the bottom of the pressure testing cylinder, a set of bolt mounting holes are opened; and a transfer mechanism is installed between the stabilizing platform and the stabilizing plate.

[0006] Furthermore, the inner side of the stabilizing frame is provided with a mounting plate with bolt mounting holes. A winding motor is mounted on one side of the mounting plate, and a rotatably connected winding wheel is mounted on the inner side of the winding motor. The center of one side of the winding wheel is connected to the drive shaft of the winding motor.

[0007] Furthermore, a vertical positioning rod is installed at each corner of the positioning frame, and a set of bolt mounting holes are opened at the bottom of the positioning rod. A sliding hole is opened at each corner of the stabilizing frame, and the positioning rod passes through the interior of the sliding hole. The stabilizing frame, positioning block, winding motor, winding wheel, positioning rod, wire rope, and positioning frame cooperate with each other to form a lifting assembly.

[0008] Furthermore, a rotatably connected threaded rod is installed on the inner side of the positioning frame. The threaded rod has a reverse double thread structure, and the drive shaft of the first drive motor is connected to one side of the threaded rod.

[0009] Furthermore, two symmetrically distributed clamping plates are installed on the outer side of the positioning frame, and a threaded hole is opened on the upper part of each clamping plate. The two threaded holes have opposite helical directions, and the threaded rod passes through the interior of the threaded hole.

[0010] Furthermore, a slot is provided at the bottom of the clamping plate, and the edge of the manhole cover extends into the inside of the slot. The first drive motor, the threaded rod, and the clamping plate cooperate with each other to form a clamping mechanism.

[0011] Furthermore, a rotating hole is opened in the middle of the positioning block, the drive shaft of the second drive motor passes through the inside of the rotating hole, a gear is installed on the outer side of the drive shaft of the second drive motor, and a rack with meshing teeth facing downward is installed on the upper part of the support frame.

[0012] Furthermore, a sliding hole is opened in the middle of the stabilizing plate, the push rod of the pressure test cylinder passes through the inside of the sliding hole, and a pressing plate is installed at the bottom of the push rod.

[0013] Furthermore, four symmetrically distributed pulleys are installed above the stable platform. A conveyor belt is installed between two pulleys moving in the same direction. There are two conveyor belts in total. A coupling interface is provided on one side of the conveyor belt. Two sets of positioning plates are installed at the coupling interface. A set of bolt mounting holes are opened on both sides of the positioning plate. A horizontal support rod is provided above the positioning plate. A conveyor frame is installed between a set of support rods. The pulleys, conveyor belts, positioning plates, and conveyor frames cooperate with each other to form a transfer mechanism.

[0014] This utility model provides a road inspection well cover inspection and transfer device, which has the following beneficial effects:

[0015] This utility model achieves full automation of the manhole cover process from grabbing and lateral transportation to the detection position through the coordination of the lifting component and the transfer mechanism. No manual handling is required, the single transfer cycle is shortened to one-third of the traditional method, and the detection efficiency is increased by more than 50%, which is especially suitable for batch detection scenarios.

[0016] Specifically, a clamping mechanism is set on the basis of the lifting component. The clamping mechanism drives the clamping plate to move synchronously through the threaded rod with a reverse double thread structure. With the help of the slot design, the edge of the manhole cover is automatically centered and positioned. Combined with the guiding effect of the slide rail and the positioning rod, the manhole cover is stably transported laterally, avoiding the risk of displacement caused by traditional manual handling.

[0017] Specifically, after the manhole cover is clamped, the winding motor is controlled to wind up the wire rope, at which point the manhole cover automatically rises and falls to the appropriate height.

[0018] Specifically, controlling the second drive motor can drive the lifting assembly to move laterally as a whole, completing the lateral transport of the manhole cover;

[0019] Specifically, when the control pulley rotates, it can drive the conveyor belt to move. As the conveyor belt moves, it drives the conveyor frame to move, and the manhole cover is transported to the top of the conveyor frame with the help of the lifting component. Combined with controlling the movement of the conveyor frame, the automatic transfer of the manhole cover detection position is completed.

[0020] Specifically, after the manhole cover is transported to the bottom of the pressure testing cylinder, the pressure testing cylinder is controlled to press the pressing plate downwards, and the manhole cover test is completed by referring to the pressure testing module of the existing technology.

[0021] The aforementioned benefits completely replace manual contact with heavy-duty manhole covers, eliminate the risk of injury caused by manhole covers falling off during transportation, and reduce the occurrence of safety accidents. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0023] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0024] In the attached diagram:

[0025] Figure 1 A schematic diagram of the axial structure of the detection and transfer device of this utility model after assembly is shown;

[0026] Figure 2 This utility model illustrates Figure 1 A schematic diagram of the partial axial structure from an elevation viewpoint;

[0027] Figure 3 The diagram shows a cross-sectional front view of the detection and transfer device of this utility model.

[0028] Figure 4 This diagram shows a schematic of the lifting assembly and clamping mechanism of the present invention after the removal of the axial side structure.

[0029] Figure 5 This utility model illustrates Figure 4 A schematic diagram of a partial axial side structure;

[0030] Figure 6 This utility model illustrates Figure 5 A schematic diagram of a partial axial side structure;

[0031] Figure 7 This utility model illustrates Figure 6 A schematic diagram of the axonal structure from an elevation viewpoint;

[0032] Figure 8 A schematic diagram of the lifting assembly and clamping mechanism of this utility model is shown on the axial side.

[0033] Figure 9 This utility model illustrates Figure 8 A schematic diagram of the axonal structure from an elevation viewpoint;

[0034] Figure 10 This invention provides a schematic diagram of the axial side structure of a partially cross-sectional structure of the positioning frame.

[0035] Figure 11 A partial axial side view of the lifting component of this utility model is shown;

[0036] Figure 12 This utility model illustrates Figure 6 A magnified structural diagram at point A;

[0037] Figure 13 This utility model illustrates Figure 10 A magnified structural diagram at point B;

[0038] Figure 14 This utility model illustrates Figure 11 A magnified structural diagram at point C;

[0039] List of reference numerals

[0040] 1. Stable platform; 101. Positioning leg; 102. Pressure detection column; 103. Support leg;

[0041] 2. Placement platform;

[0042] 3. Manhole cover;

[0043] 4. Support frame;

[0044] 5. Lifting assembly; 501. Stabilizing frame; 50101. Positioning block; 502. Winding motor; 503. Winding reel; 504. Positioning rod; 505. Wire rope; 506. Positioning frame;

[0045] 6. Clamping mechanism; 601. First drive motor; 602. Threaded rod; 603. Clamping plate;

[0046] 7. Second drive motor;

[0047] 8. Transfer mechanism; 801. Pulley; 802. Conveyor belt; 803. Positioning plate; 804. Conveyor frame;

[0048] 9. Pressure test cylinder;

[0049] 10. Stabilizing board. Detailed Implementation

[0050] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0051] Example 1: Please refer to Figures 1 to 14 :

[0052] This utility model proposes a road inspection well cover inspection and transfer device, comprising: a stabilizing platform 1, a set of symmetrically distributed positioning legs 101 and a set of supporting legs 103 installed on the upper position of the stabilizing platform 1, a pressure detection column 102 and a placement platform 2 installed on the upper position of the stabilizing platform 1, a well cover 3 placed on the upper position of the placement platform 2, a support frame 4 installed on the upper position of the stabilizing platform 1, the support frame 4 being composed of a set of horizontally and vertically distributed steel pipes, the assembly and positioning method of the steel pipes being selected according to actual needs, two symmetrically distributed slide rails installed on the upper position of the support frame 4, and a stabilizing frame 501 installed between the two slide rails, the slide rails positioning the stabilizing frame 501 circumferentially and vertically, enabling the stabilizing frame 501 to move stably laterally, thus stabilizing the support frame 4 and the manhole cover 3. According to actual needs, the supporting frame 501 is installed with matching bolts. After the bolts are installed, the supporting frame 4 and the stabilizing frame 501 are firmly connected. The inner side of the stabilizing frame 501 is provided with a mounting plate with bolt mounting holes. A winding motor 502 is installed on one side of the mounting plate. According to actual needs, the winding motor 502 and the mounting plate are installed with matching bolts. After the bolts are installed, the installation position of the winding motor 502 is stabilized. A rotatably connected winding wheel 503 is installed on the inner side of the winding motor 502. The center position of one side of the winding wheel 503 is connected to the drive shaft of the winding motor 502. The drive shaft and the winding wheel 503 are firmly connected with a keyway and wedge key structure according to the existing technology, so that the winding wheel 503 can be stably driven to rotate.

[0053] In this embodiment, a vertical positioning rod 504 is installed at each corner of the positioning frame 506. A set of bolt mounting holes are opened at the bottom of the positioning rod 504. The bolt mounting holes are positioned according to actual needs to install matching bolts. After the bolts are installed, the positioning rod 504 is stabilized. A sliding hole is opened at each corner of the stabilizing frame 501. The positioning rod 504 passes through the interior of the sliding hole. The stabilizing frame 501, positioning block 50101, winding motor 502, winding wheel 503, positioning rod 504, wire rope 505, and positioning frame 506 cooperate with each other to form the lifting component 5. Therefore, after the positioning rod 504 is installed, it can achieve the effect of horizontal and circumferential positioning of the positioning frame 506. The winding motor 502 drives the winding wheel 503 to rotate. When the winding wheel 503 rotates, it can wind up the wire rope 505. At this time, the positioning frame 506 is lifted smoothly under force. When the winding wheel 503 rotates in the opposite direction, the positioning frame 506 descends.

[0054] In this embodiment, a positioning block 50101 is installed on one side of the stabilizing frame 501. The positioning block 50101 has a rectangular structure. A second drive motor 7 is installed on one side of the positioning block 50101. A wire rope 505 is installed on the outer side of the winding wheel 503. The upper part of the wire rope 505 is firmly connected with the pressing and riveting structure of the prior art. The specific operation steps are selected according to actual needs. A rotating hole is opened in the middle of the positioning block 50101. The drive shaft of the second drive motor 7 passes through the interior of the rotating hole. A gear is installed on the outer side of the drive shaft of the second drive motor 7. The second drive motor 7 drives the gear to rotate forward and backward. A rack with meshing teeth facing downward is installed on the upper part of the support frame 4. Matching bolts are installed on the edge of the rack according to actual needs. After the bolts are installed, the rack is stabilized. The gear and rack mesh. Since the rack is in a fixed state, combined with the slide rail structure, the second drive motor 7 can drive the lifting assembly 5 to move laterally as a whole, thus completing the lateral transportation of the manhole cover 3.

[0055] In this embodiment, a hook is installed at the bottom of the wire rope 505, and a positioning frame 506 is installed at the bottom of the hook. A mounting block is provided on one side of the positioning frame 506, and a first drive motor 601 is installed on one side of the mounting block. Matching bolts are installed between the mounting block and the first drive motor 601 as needed, ensuring the first drive motor 601 is securely mounted. A rotatably connected threaded rod 602 is installed on the inner side of the positioning frame 506. The threaded rod 602 has a reverse double thread structure. The positioning frame 506 laterally positions the rotation of the threaded rod 602. The drive shaft of the first drive motor 601 is connected to one side of the threaded rod 602. A keyway and wedge key structure are used to securely connect the drive shaft and the threaded rod 602, ensuring stable rotation of the threaded rod 602 driven by the first drive motor 601. Two... A symmetrically distributed clamping plate 603 has a threaded hole at the top of each clamping plate 603. The two threaded holes have opposite spiral directions. A threaded rod 602 passes through the inside of the threaded hole. The pitch of the threaded rod 602 and the threaded hole is machined according to actual needs to make the threaded rod 602 and the threaded hole effectively threadedly connected. Therefore, the first drive motor 601 is controlled to drive the threaded rod 602 to rotate in both directions. The rotation of the threaded rod 602 causes the two clamping plates 603 to move synchronously in opposite directions. A slot is opened at the bottom of the clamping plate 603. The edge of the manhole cover 3 extends into the inside of the slot. The first drive motor 601, the threaded rod 602, and the clamping plate 603 cooperate to form a clamping mechanism 6. The two clamping plates 603, together with the slot, can automatically clamp and center the manhole cover 3. After the manhole cover 3 is clamped, the winding motor 502 is controlled to wind up the wire rope 505. At this time, the manhole cover 3 automatically rises and falls to a suitable height.

[0056] In this embodiment, a stabilizing plate 10 is installed above the stabilizing platform 1. A sliding hole is opened in the middle of the stabilizing plate 10. The push rod of the pressure testing cylinder 9 passes through the interior of the sliding hole. A pressing plate is installed at the bottom of the push rod. When the manhole cover 3 is transferred to the bottom of the pressing plate, the pressure testing cylinder 9 is controlled to press the pressing plate downward. At this time, the pressure testing module of the prior art completes the detection of the manhole cover 3. A pressure testing cylinder 9 is installed above the stabilizing plate 10. A set of bolt mounting holes is opened at the bottom of the pressure testing cylinder 9. The bolt mounting holes are installed with matching bolts according to actual needs. The bolt mounting holes stabilize the installation position of the pressure testing cylinder 9. A set of transfer mechanism 8 is installed between the stabilizing platform 1 and the stabilizing plate 10. Four symmetrically distributed pulleys 801 are installed above the stabilizing platform 1. A conveyor belt 802 is installed between two pulleys 801 in the same direction. There are two conveyor belts 802. A mating interface is provided on one side of the conveyor belt 802. Two sets of positioning plates 803 are installed at the mating interface. A set of bolt mounting holes are opened on both sides of the positioning plates 803. The bolt mounting holes are installed according to the actual needs to install matching bolts. After the bolts are installed, the positioning plates 803 and the conveyor belt 802 are engaged. A horizontal support rod is provided above the positioning plates 803. A conveyor frame 804 is installed between a set of support rods. The pulley 801, the conveyor belt 802, the positioning plates 803, and the conveyor frame 804 cooperate to form the transfer mechanism 8. The support rod supports the installation position of the conveyor frame 804 and provides lateral positioning. Therefore, when the pulley 801 is controlled to rotate, it can drive the conveyor belt 802 to move. As the conveyor belt 802 moves, it drives the conveyor frame 804 to move, and the manhole cover 3 is transported to the top of the conveyor frame 804 by means of the lifting component 5. The automatic transfer of the manhole cover 3 to the detection position is completed by controlling the movement of the conveyor frame 804.

[0057] Example 2, based on Example 1, such as Figures 1-10 As shown, a matching drive unit needs to be installed above the stable platform 1 according to actual needs, and the drive shaft of the drive unit is connected to the center position of one of the pulleys 801. The drive unit drives the pulley 801 to rotate forward and backward.

[0058] Example 3, based on Example 1, such as Figures 1-10 As shown, a controller needs to be set up on the basis of the operating device according to actual needs, and the controller is electrically connected to the driving components respectively.

[0059] The working principle of this embodiment:

[0060] Assemble the following components in sequence to form the operating device: stabilizing platform 1, positioning leg 101, pressure detection column 102, support leg 103, placement platform 2, support frame 4, stabilizing frame 501, positioning block 50101, winding motor 502, winding wheel 503, positioning rod 504, wire rope 505, positioning frame 506, first drive motor 601, threaded rod 602, clamping plate 603, second drive motor 7, pulley 801, conveyor belt 802, positioning plate 803, conveyor frame 804, and pressure testing cylinder 9.

[0061] Place the manhole cover 3 to be inspected above the placement platform 2. Start the winding motor 502 to rotate in the reverse direction, releasing the wire rope 505 and causing the positioning frame 506 to slowly descend. Then, start the first drive motor 601 to drive the threaded rod 602 to rotate forward, causing the two clamping plates 603 to move synchronously towards each other. The clamping force can be set by the motor torque until the slots of the clamping plates 603 completely cover the edge of the manhole cover 3, completing the clamping and positioning of the manhole cover 3. Continue to start the winding motor 502 to rotate forward, winding the wire rope 505 at a uniform speed, raising the manhole cover 3 to a safe height above the conveyor frame 804. Send a command through the controller to control the second drive motor 7 to drive the gear. The rotation causes the lifting assembly 5 to move laterally along the slide rail of the support frame 4, transferring the manhole cover 3 to the top of the conveyor frame 804. Then, the first drive motor 601 reverses, releasing the clamping plate 603 to complete the unloading of the manhole cover 3. The pulley 801 is controlled to rotate, moving the manhole cover 3 to be tested to the position below the pressure test cylinder 9. The pressure test cylinder 9 is started, and the push rod drives the pressing plate to slowly descend until the pressing plate is in complete contact with the upper surface of the manhole cover 3. The test pressure is applied according to the preset program, such as the 200kN load specified in the national standard. The pressure sensor data is recorded in real time. If the manhole cover 3 cracks or deforms beyond the standard during the test, the system will automatically alarm and stop loading.

[0062] After the pressure test is completed, the push rod of the pressure test cylinder 9 is retracted, and the lifting component 5 moves laterally again to transfer the manhole cover 3 to the conveyor frame 804 above the conveyor belt 802;

[0063] The control conveyor belt 802 operates to transport the inspected manhole cover 3 to a designated area, such as a qualified or unqualified area. The lifting component 5 returns to its initial position, and the positioning frame 506 is raised to its highest position, waiting for the next grabbing command to enter the next round of inspection cycle.

[0064] If the wire rope 505 is found to be broken, the motor makes abnormal noise, or the manhole cover 3 shakes abnormally, press the emergency stop button immediately to cut off all power sources. Check the lubrication of the slide rail and threads weekly. Through the above steps, the entire process of manhole cover 3 from grabbing, transferring, testing to unloading can be automated, which improves efficiency by more than 50% compared with traditional manual operation, while avoiding the safety risks of personnel coming into contact with heavy-duty manhole cover 3.

Claims

1. A road manhole cover inspection and transfer device, comprising: The system comprises a stabilizing platform (1), a pressure detection column (102), and a transfer mechanism (8). A set of symmetrically distributed positioning legs (101) and a set of supporting legs (103) are installed above the stabilizing platform (1). A pressure detection column (102) and a placement platform (2) are installed above the stabilizing platform (1). A manhole cover (3) is placed above the placement platform (2). The system is characterized by a support frame (4) installed above the stabilizing platform (1). The support frame (4) is composed of a set of horizontally and vertically distributed steel pipes. Two symmetrically distributed slide rails are installed above the support frame (4). A stabilizing frame (501) is installed between the two slide rails. A positioning block (50101) is installed on one side of the stabilizing frame (501). 50101) is a rectangular structure. A second drive motor (7) is installed on one side of the positioning block (50101). A wire rope (505) is installed on the outer side of the winding wheel (503). A hook is installed at the bottom of the wire rope (505). A positioning frame (506) is installed at the bottom of the hook. A mounting block is provided on one side of the positioning frame (506). A first drive motor (601) is installed on one side of the mounting block. A stabilizing plate (10) is installed above the stabilizing platform (1). A pressure test cylinder (9) is installed above the stabilizing plate (10). A set of bolt mounting holes is opened at the bottom of the pressure test cylinder (9). A set of transfer mechanisms (8) is installed between the stabilizing platform (1) and the stabilizing plate (10).

2. The road inspection well cover inspection and transfer device according to claim 1, characterized in that, The inner side of the stabilizing frame (501) is provided with a mounting plate with bolt mounting holes. A winding motor (502) is mounted on one side of the mounting plate. A rotatably connected winding wheel (503) is mounted on the inner side of the winding motor (502). The center of one side of the winding wheel (503) is connected to the drive shaft of the winding motor (502).

3. The road inspection well cover inspection and transfer device according to claim 1, characterized in that, A vertical positioning rod (504) is installed at each corner of the positioning frame (506). A set of bolt mounting holes are opened at the bottom of the positioning rod (504). A sliding hole is opened at each corner of the stabilizing frame (501). The positioning rod (504) passes through the interior of the sliding hole. The stabilizing frame (501), positioning block (50101), winding motor (502), winding wheel (503), positioning rod (504), wire rope (505), and positioning frame (506) cooperate with each other to form the lifting assembly (5).

4. The road inspection well cover inspection and transfer device according to claim 1, characterized in that, A rotatably connected threaded rod (602) is installed on the inner side of the positioning frame (506). The threaded rod (602) has a reverse double thread structure, and the drive shaft of the first drive motor (601) is connected to one side of the threaded rod (602).

5. The road inspection well cover inspection and transfer device according to claim 1, characterized in that, Two symmetrically distributed clamping plates (603) are installed on the outer side of the positioning frame (506). A threaded hole is opened on the upper part of each clamping plate (603). The two threaded holes have opposite helical directions, and the threaded rod (602) passes through the inside of the threaded hole.

6. The road inspection well cover inspection and transfer device according to claim 5, characterized in that, A slot is provided at the bottom of the clamping plate (603), and the edge of the well cover (3) extends into the inside of the slot. The first drive motor (601), the threaded rod (602), and the clamping plate (603) cooperate with each other to form a clamping mechanism (6).

7. The road inspection well cover inspection and transfer device according to claim 1, characterized in that, A rotating hole is opened in the middle of the positioning block (50101), the drive shaft of the second drive motor (7) passes through the inside of the rotating hole, a gear is installed on the outer side of the drive shaft of the second drive motor (7), and a rack with meshing teeth facing downward is installed on the upper part of the support frame (4).

8. The road inspection well cover inspection and transfer device according to claim 1, characterized in that, A sliding hole is opened in the middle of the stabilizing plate (10), and the push rod of the pressure test cylinder (9) passes through the inside of the sliding hole. A pressing plate is installed on the bottom of the push rod.

9. A road inspection well cover inspection and transfer device according to claim 1, characterized in that, Four symmetrically distributed pulleys (801) are installed above the stable platform (1). A conveyor belt (802) is installed between two pulleys (801) in the same direction. There are two conveyor belts (802). A coupling interface is provided on one side of the conveyor belt (802). Two sets of positioning plates (803) are installed at the coupling interface. A set of bolt mounting holes are opened on both sides of the positioning plate (803). A horizontal support rod is provided above the positioning plate (803). A conveyor frame (804) is installed between the set of support rods. The pulleys (801), conveyor belts (802), positioning plates (803), and conveyor frames (804) cooperate with each other to form a transfer mechanism (8).