A heavy-duty manhole cover for inspection well and installation and construction method thereof

Abstract

The present application relates to a heavy-duty manhole cover for an inspection well, comprising a manhole seat body and a manhole cover body, wherein the outer peripheral wall of the manhole seat body and the top of the manhole mouth of the inspection well are filled with roadbed materials; a connecting ring plate is fixed to the outer peripheral wall of the manhole seat body, and a plurality of reinforcing plates are fixed between the top wall of the connecting ring plate and the outer peripheral wall of the manhole seat body; a mounting groove is provided on the top wall of the manhole seat body, and the manhole cover body is installed in the mounting groove, and a plurality of limiting grooves are provided on the outer peripheral wall of the manhole cover body, and all the limiting grooves are arranged at intervals around the outer peripheral wall of the manhole cover body, and the two end notches of each limiting groove are arranged to extend along the circumference of the manhole cover body, and one end notch of each limiting groove is provided with a connecting groove; a plurality of limiting blocks are fixed to the inner peripheral wall of the manhole seat body, and the thickness of the limiting blocks is adapted to the width of the limiting groove. The heavy-duty manhole cover for an inspection well of the present application can improve the pressure bearing capacity of the manhole cover body and reduce the possibility of sinking. The present application also relates to an installation and construction method for a heavy-duty manhole cover for an inspection well.

Description

Technical Field

[0001] The present application relates to the technical field of inspection well covers, and in particular to a heavy-duty inspection well cover and an installation and construction method thereof. Background Art

[0002] Inspection wells are set up for the maintenance of urban underground infrastructure such as power supply, water supply, drainage, sewage, communication, cable TV, gas pipes, street light lines, etc., and are easy to install. They are generally set up at the intersection of pipelines, bends, places where pipe diameters or slopes change, and at regular intervals on straight pipe sections to facilitate regular inspection of auxiliary structures; in order to ensure the integrity of the road surface and people's travel safety, manhole covers are installed at the wellheads of inspection wells. The manhole covers can reduce the possibility of foreign objects falling into the inspection wells, while ensuring people's travel safety.

[0003] To facilitate the opening and closing of the manhole cover, the existing manhole cover is usually connected to the manhole seat, a casting trough is opened on the top of the manhole mouth of the inspection well, the manhole seat is fixedly installed at the installation position of the casting trough, and then the roadbed material is poured into the casting trough. After the roadbed material solidifies, the manhole seat is fixedly installed on the top of the manhole mouth of the inspection well; however, for road surfaces with heavy loads, the manhole cover is subjected to the rolling pressure of large vehicles for a long time, and there is a possibility that the manhole cover will sink relative to the manhole seat or the manhole seat will sink relative to the inspection well, which will reduce the service life of the manhole cover and pose a safety hazard to people's normal travel. Therefore, further improvement is needed. Summary of the invention

[0004] In order to reduce the possibility of sinking of the manhole cover or the manhole seat, the present application provides a heavy-duty manhole cover for an inspection well and an installation and construction method thereof.

[0005] In the first aspect, the heavy-duty manhole cover provided by the present application adopts the following technical solution:

[0006] A heavy-duty manhole cover for an inspection well, comprising a manhole seat body and a manhole cover body, wherein the manhole seat body is used to be installed at the top of the wellhead of the inspection well, and the space between the outer peripheral wall of the manhole seat body and the top of the wellhead of the inspection well is filled with roadbed materials; a connecting ring plate is coaxially fixed to the outer peripheral wall of the manhole seat body, and a plurality of reinforcing plates are fixed between the top wall of the connecting ring plate and the outer peripheral wall of the manhole seat body, and all of the reinforcing plates are arranged at intervals around the outer peripheral wall of the manhole seat body; the connecting ring plate is equipped with a plurality of anchor bolts for fixed connection with the top of the wellhead of the inspection well; the manhole seat The top wall of the body is provided with an installation groove, and the manhole cover body is installed in the installation groove. The outer peripheral wall of the manhole cover body is provided with a plurality of limit grooves, and all of the limit grooves are arranged at intervals around the outer peripheral wall of the manhole cover body. The notches at both ends of each of the limit grooves are extended along the circumference of the manhole cover body, and a connecting groove penetrating the lower surface of the manhole cover body is provided at one end of each of the limit grooves; the inner peripheral wall of the well seat body is fixed with a plurality of limit blocks corresponding to the connecting grooves one by one, and the thickness of the limit blocks is adapted to the width of the limit grooves.

[0007] By adopting the above technical scheme, through the arrangement of the connecting ring plate and the reinforcing plate, the connecting ring plate can increase the contact area between the well seat body and the top of the inspection well mouth, thereby improving the supporting effect of the top of the inspection well mouth on the well seat body, and reducing the possibility of the well seat body sinking due to external forces; the reinforcing plate can increase the connection rigidity between the connecting ring plate and the well seat body, and reduce the possibility of deformation due to excessive pressure between the well seat body and the connecting ring plate; on the other hand, when external forces are applied to the roadbed material, the reinforcing plate plays a role in isolating the roadbed material, reducing the possibility of the roadbed material between adjacent reinforcing plates escaping in the horizontal direction, thereby keeping the roadbed material between adjacent reinforcing plates, reducing the possibility of the roadbed material around the well seat body being crushed, and further improving the stability of the overall structure;

[0008] When installing the manhole cover body, align all the connecting grooves of the manhole cover body with the corresponding limit blocks one by one and make the limit blocks slide and insert into the corresponding connecting grooves. When the limit blocks slide to the connecting point between the limit grooves and the connecting grooves, rotate the manhole cover body to force the limit blocks to move to the end of the limit groove away from the connecting groove, thereby installing the manhole cover body on the manhole seat body; each limit block is matched and snapped into the corresponding limit groove, and multiple limit blocks can improve the supporting effect of the manhole seat body on the manhole cover body, reduce the possibility of the manhole cover body sinking relative to the manhole seat body due to excessive external force, and improve the service life of the overall structure.

[0009] Optionally, a sliding groove is provided at the bottom of the mounting groove, a sliding plate is slidably installed in the sliding groove, a compression spring is installed between the sliding plate and the sliding groove, and the compression spring normally causes the sliding plate to slide to the slot opening of the sliding groove; a clamping groove is provided on the lower surface of the manhole cover body, and a clamping block is fixed on the sliding plate close to the side wall of the manhole cover body, and when the limit block rotates to the slot opening of the limit groove away from the connecting groove, the compression spring forces the clamping block to be clamped in the clamping groove; the sliding plate is provided with an unlocking member for driving the clamping block to disengage from the clamping groove.

[0010] By adopting the above-mentioned technical scheme, through the setting of the sliding plate and the clamping block, when the manhole cover body is installed, the connecting groove of the manhole cover body is aligned with the limit block and the manhole cover body is pushed, so that the limit block can slide in the connecting groove. During the movement of the manhole cover body, it can abut against the clamping block and push the clamping block and the sliding plate to move toward the side close to the notch of the sliding groove, and the sliding plate can squeeze the compression spring to force the compression spring to have elastic force; when the limit block slides to the limit groove, the manhole cover body is rotated to force the limit block to move to the end of the limit groove away from the connecting groove. At this time, the clamping block can move to a state relative to the clamping groove, and the sliding plate moves toward the side away from the sliding groove under the elastic force of the compression spring and forces the clamping block to be clamped in the clamping groove, thereby fixing the manhole cover body, reducing the possibility of the limit block being disengaged from the limit groove due to relative rotation between the manhole cover body and the well seat body, and improving the connection stability of the overall structure.

[0011] Optionally, a connecting hole penetrating the manhole cover body is provided on the upper surface of the manhole cover body, and a connecting groove is provided at the bottom of the mounting groove, one end of the connecting groove is connected to the sliding groove, and the other end penetrates the inner wall of the manhole seat body; the unlocking member includes a connecting plate slidably installed in the connecting groove, one side of the connecting plate is fixed to the sliding plate, and the other side extends to the bottom of the connecting hole, and when the connecting plate moves to the bottom of the connecting groove, the clamping block disengages from the clamping groove.

[0012] By adopting the above-mentioned technical solution and setting the connecting hole and the connecting plate, when it is necessary to open the manhole cover body, a tool is used to penetrate the connecting hole and push the connecting plate. The connecting plate can drive the sliding plate to slide in the sliding groove. When the connecting plate moves to the bottom of the connecting groove, the clamping block disengages from the clamping groove, thereby releasing the rotation restriction effect of the manhole cover body. Then, the manhole cover body can be opened by rotating the manhole cover body, thereby improving the operational convenience of opening the manhole cover body.

[0013] Optionally, a rotating groove penetrating the connecting plate is opened on the side wall of the connecting plate close to the manhole cover body, a rotating rod is rotatably installed in the rotating groove, a rotating plate is fixed to the end face of the rotating rod away from the connecting plate, and when the connecting plate moves to the bottom of the connecting groove, the side wall of the rotating plate close to the connecting plate can be rotated to the lower surface of the well seat body.

[0014] By adopting the above-mentioned technical scheme, through the setting of the rotating rod and the rotating plate, a tool is used to penetrate the connecting hole and dock with the rotating rod, and then the rotating rod is pushed to drive the connecting plate to move to the bottom of the connecting groove. At this time, the connecting plate drives the sliding plate to slide and forces the clamping block to disengage from the clamping groove, and then the rotating rod is rotated to drive the rotating plate to rotate. The side wall of the rotating plate close to the connecting plate can be rotated to the lower surface of the well seat body, so that the connecting plate can remain at the bottom of the connecting groove and force the clamping block to remain out of the clamping groove, and then the tool is used to rotate the manhole cover body to open the manhole cover, thereby reducing the possibility that when the operator rotates the manhole cover body, the sliding plate moves toward the side away from the sliding groove under the elastic force of the compression spring, causing the clamping block to be clamped in the clamping groove again.

[0015] Optionally, a plurality of annular reinforcing ring ribs are fixed to the lower surface of the manhole cover body, all of the reinforcing ring ribs are coaxially arranged and there are gaps between adjacent reinforcing ring ribs; when the sliding plate moves to the slot of the sliding groove, the rotating plate can rotate and abut against the side wall of the reinforcing ring rib away from the manhole cover body.

[0016] By adopting the above-mentioned technical scheme, a plurality of reinforcing ring ribs are fixed on the lower surface of the manhole cover body through the setting of reinforcing ring ribs, and the reinforcing ring ribs can improve the structural rigidity of the manhole cover body and reduce the possibility of deformation of the manhole cover body due to external pressure; when the clamping block is clamped in the clamping groove to fix the connection between the manhole cover body and the manhole seat body, the rotating rod is rotated by a tool to force the rotating plate to rotate until the reinforcing ring ribs are away from the side wall of the manhole cover body, and the rotating plate can play a role in supporting the reinforcing ring ribs, thereby improving the supporting effect of the manhole seat body on the manhole cover body, further reducing the possibility of deformation of the manhole cover body due to external pressure, and improving the service life of the overall structure.

[0017] Optionally, a plurality of connecting grooves are provided and are spaced apart around the central axis of the well seat body, a plurality of connecting plates are provided and all of the connecting plates are provided in one-to-one correspondence with all of the connecting grooves, and each of the connecting plates is fixedly connected to the sliding plate and slidably installed in the corresponding connecting groove; a plurality of rotating rods are provided and all of the rotating rods are provided in one-to-one correspondence with all of the connecting plates, and each of the rotating rods is rotatably installed on the corresponding connecting plate, a plurality of rotating plates are provided and all of the rotating plates are provided in one-to-one correspondence with all of the rotating rods, and each of the rotating plates is fixed to the end face of the corresponding rotating rod away from the connecting plate, and a synchronization component for driving all of the rotating rods to rotate synchronously is provided between all of the rotating rods.

[0018] By adopting the above-mentioned technical solution and setting a plurality of rotating plates, after the manhole cover body is installed in the installation groove, a tool is used to drive the rotating rod to rotate, and all the rotating rods can rotate synchronously under the action of the synchronization component and force all the rotating plates to rotate synchronously. All the rotating plates are jointly supported on the side wall of the reinforcing ring rib away from the manhole cover body, thereby further improving the supporting effect of the well seat body on the manhole cover body.

[0019] Optionally, the synchronization component includes a ring gear and a gear, the ring gear is coaxially fixed to the inner circumferential wall of the well seat body, a plurality of gears are provided and all the gears are arranged one-to-one corresponding to all the rotating rods, each of the gears is coaxially fixed to the outer circumferential wall of the corresponding rotating rod, and the ring gear and all the gears are meshed for transmission.

[0020] By adopting the above-mentioned technical solution, through the arrangement of the gear ring and the gear, a tool is used to penetrate the connecting hole and dock with the rotating rod located below the connecting hole, and then the rotating rod located below the connecting hole is rotated. During the rotation of the rotating rod, the gear and the gear ring are forced to engage and transmit, thereby driving all the rotating rods to rotate synchronously, driving all the rotating plates to rotate synchronously and support the side wall of the reinforcing ring rib away from the manhole cover body, so as to support the manhole cover body and improve the operational convenience of the overall structure.

[0021] Optionally, the middle position of the rotating plate is fixedly connected to the end face of the rotating rod, and an arc groove is provided on the inner circumferential wall of the well seat body. When the rotating plate abuts against the side wall of the reinforcing ring rib away from the well cover body, the side wall of the rotating plate away from the reinforcing ring rib is clamped in the arc groove.

[0022] By adopting the above-mentioned technical solution and setting the arc groove, when the rotating plate rotates and abuts against the side wall of the reinforcing ring rib away from the manhole cover body, the side wall of the rotating plate away from the reinforcing ring rib can be clamped in the arc groove, and the side wall of the arc groove can support the rotating plate, thereby improving the supporting effect of the rotating plate on the manhole cover body and reducing the possibility of the manhole cover body sinking. On the other hand, the side wall of the arc groove is supported on the rotating plate, which can reduce the possibility of deformation and damage at the connection between the rotating rod and the connecting plate when the rotating plate is subjected to excessive pressure from the manhole cover body, thereby improving the service life of the overall structure.

[0023] In the second aspect, the present application provides a method for installing and constructing a heavy-duty manhole cover for an inspection well, which adopts the following technical solution:

[0024] A method for installing and constructing a heavy-duty manhole cover for an inspection well, specifically comprising the following steps:

[0025] S1. Preliminary preparation: coordinate measurement, determine the center position of the well seat body installation, and lay out the position line of the well seat body, and open a casting trough at the top of the inspection well mouth;

[0026] S2. Treatment of the top of the inspection well ring: roughening the top of the inspection well mouth;

[0027] S3. Installation of the well seat body: The well seat body is fixedly installed at the top of the wellhead of the inspection well;

[0028] S4. Installation of the lining formwork: An annular partition is installed between the inner circumferential wall of the well seat body and the inner circumferential wall of the inspection well, and a pouring space for pouring roadbed materials is formed between the well seat body, the inspection well and the annular partition;

[0029] S5. Pouring of roadbed materials: pouring roadbed materials into the pouring space;

[0030] S6. Disassembly of lining formwork: After the roadbed material solidifies, remove the annular partition.

[0031] By adopting the above-mentioned technical scheme, after processing the top of the well ring of the inspection well, the well seat body is installed at the top position of the well ring of the inspection well, and then an annular partition is installed between the well seat body and the inspection well to form a casting space, and then concrete is poured into the casting space. After the concrete solidifies, the well seat body can be fixedly installed on the top of the well ring of the inspection well, thereby improving the stability of the connection between the well seat body and the inspection well.

[0032] Optionally, in step S3, a plurality of top support bolts for keeping the well seat body horizontal and a plurality of anchor bolts for fixing the well seat body to the top of the well ring of the inspection well are installed at the top position of the well mouth of the inspection well, and all the top support bolts and all the anchor bolts are arranged at intervals around the central axis of the well seat body.

[0033] By adopting the above-mentioned technical scheme, through the arrangement of supporting bolts and anchor bolts, before pouring concrete, the well seat body is kept in a horizontal installation by supporting bolts, thereby reducing the possibility of tilting of the well seat body during installation, and the well seat body is raised by supporting bolts, so that there is a gap for pouring concrete between the well seat body and the top of the well ring, and then the well seat is preliminarily fixed by anchor bolts, and then concrete is poured into the pouring space. After the concrete solidifies, the contact area between the well seat body and the concrete is increased, thereby further improving the connection stability of the well seat body.

[0034] In summary, the present application includes at least one of the following beneficial technical effects:

[0035] 1. Through the arrangement of the connecting ring plate and the reinforcing plate, the connecting ring plate can increase the contact area between the well seat body and the top of the inspection well mouth, thereby improving the supporting effect of the top of the inspection well mouth on the well seat body and reducing the possibility of the well seat body sinking due to external forces; the reinforcing plate can increase the connection rigidity between the connecting ring plate and the well seat body and reduce the possibility of deformation due to excessive pressure between the well seat body and the connecting ring plate; on the other hand, when external forces are applied to the roadbed material, the reinforcing plate plays a role in isolating the roadbed material and reduces the possibility of the roadbed material between adjacent reinforcing plates escaping in the horizontal direction, thereby keeping the roadbed material between adjacent reinforcing plates and reducing the well seat body. The possibility of the surrounding roadbed materials being crushed is reduced, and the stability of the overall structure is further improved; when installing the manhole cover body, all the connecting grooves of the manhole cover body are aligned one by one with the corresponding limit blocks, and the limit blocks are slidably inserted into the corresponding connecting grooves. When the limit blocks slide to the connecting point between the limit grooves and the connecting grooves, the manhole cover body is rotated to force the limit blocks to move to the end notch of the limit groove away from the connecting groove, so that the manhole cover body is installed on the manhole seat body; each limit block is matched and snapped into the corresponding limit groove, and multiple limit blocks can improve the supporting effect of the manhole seat body on the manhole cover body, reduce the possibility of the manhole cover body sinking relative to the manhole seat body due to excessive external force, and improve the service life of the overall structure;

[0036] 2. Through the setting of the connecting hole and the connecting plate, when the manhole cover body needs to be opened, a tool is used to penetrate the connecting hole and push the connecting plate, and the connecting plate can drive the sliding plate to slide in the sliding groove. When the connecting plate moves to the bottom of the connecting groove, the clamping block is disengaged from the clamping groove, thereby releasing the rotation restriction effect of the manhole cover body. Then, the manhole cover body is rotated to open the manhole cover body, thereby improving the convenience of opening the manhole cover body;

[0037] 3. Through the setting of the arc groove, when the rotating plate rotates and abuts against the side wall of the reinforcing ring rib away from the manhole cover body, the side wall of the rotating plate away from the reinforcing ring rib can be clamped in the arc groove, and the side wall of the arc groove can support the rotating plate, thereby improving the supporting effect of the rotating plate on the manhole cover body and reducing the possibility of the manhole cover body sinking; on the other hand, the side wall of the arc groove is supported on the rotating plate, which can reduce the possibility of deformation and damage at the connection between the rotating rod and the connecting plate when the rotating plate is subjected to excessive pressure from the manhole cover body, thereby improving the service life of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a partial cross-sectional view of the well seat body installed on the top of the inspection well mouth;

[0039] Figure 2 It is a structural schematic diagram showing that the manhole cover body is installed on the manhole seat body;

[0040] Figure 3 It is a structural schematic diagram reflecting the well seat body;

[0041] Figure 4 It is a structural schematic diagram reflecting the manhole cover body;

[0042] Figure 5 It is a partial cross-sectional view showing the assembly of the manhole cover body on the manhole seat body;

[0043] Figure 6 It is a structural schematic diagram showing the annular partition.

[0044] Description of the accompanying drawings: 1. well seat body; 11. connecting ring plate; 111. anchor bolt; 112. top support bolt; 113. fixing groove; 12. reinforcing plate; 13. mounting groove; 14. limiting block; 15. sliding groove; 16. compression spring; 17. connecting groove; 18. arc groove; 2. well cover body; 21. limiting groove; 22. connecting groove; 23. snap-fit ​​groove; 24. connecting hole; 25. reinforcing ring rib; 2 6. Reinforcement bars; 3. Inspection well; 31. Casting trough; 4. Roadbed material; 5. Sliding plate; 51. Snap-in block; 52. Connecting plate; 521. Rotating groove; 522. Rotating rod; 523. Rotating plate; 6. Synchronizing assembly; 61. Ring gear; 62. Gear; 7. Annular partition; 71. Adjusting sleeve; 711. Lifting ring; 72. Support assembly; 721. Rotating sleeve; 722. Screw; 723. Top plate. DETAILED DESCRIPTION

[0045] The following is combined with Figure 1-6 This application is described in further detail.

[0046] An embodiment of the present application discloses a heavy-duty manhole cover for an inspection well.

[0047] Reference Figure 1 , Figure 2 A heavy-duty manhole cover for an inspection well comprises a manhole seat body 1 and a manhole cover body 2. A casting groove 31 for casting roadbed material 4 is provided at the top of the well mouth of the inspection well 3. The manhole seat body 1 is installed in the casting groove 31. The upper surface of the manhole seat body 1 is kept flush with the notch of the casting groove 31. In this embodiment, the manhole seat body 1 and the manhole cover body 2 are both arranged as circular structures. An installation groove 13 is provided on the upper surface of the manhole seat body 1. The manhole cover body 2 is installed in the installation groove 13. When the lower surface of the manhole cover body 2 is in contact with the bottom of the installation groove 13, the upper surface of the manhole cover body 2 is kept flush with the upper surface of the manhole seat body 1.

[0048] Reference Figure 2 , Figure 3 A connecting ring plate 11 is coaxially fixed to the outer peripheral wall of the well seat body 1. In the present embodiment, the lower surface of the connecting ring plate 11 is kept flush with the lower surface of the well seat body 1, and a reinforcing plate 12 is fixedly installed between the upper surface of the connecting ring plate 11 and the well seat body 1. The two adjacent side walls of the reinforcing plate 12 are respectively fixedly connected to the outer peripheral wall of the well seat body 1 and the upper surface of the connecting ring plate 11. In the present embodiment, a plurality of reinforcing plates 12 are arranged and are spaced around the outer peripheral wall of the well seat body 1. With such a design, the reinforcing plate 12 can improve the structural strength between the connecting ring plate 11 and the well seat body 1, and the connecting ring plate 11 can increase the contact area between the well seat body 1 and the casting groove 31, thereby improving the supporting effect of the top of the wellhead of the inspection well 3 on the well seat body 1, and reducing the possibility of the well seat body 1 sinking due to external pressure.

[0049] Reference Figure 1 , Figure 2 The upper surface of the connecting ring plate 11 is provided with a plurality of arc-shaped fixing grooves 113, and a plurality of fixing grooves 113 are provided and are spaced apart around the central axis of the well seat body 1, and each fixing groove 113 is installed with an anchor bolt 111, and the anchor bolt 111 is used to be threadedly connected to the bottom of the casting groove 31; a plurality of top support bolts 112 are fixed to the lower surface of the connecting ring plate 11, and all the top support bolts 112 are spaced apart around the central axis of the well seat body 1, and the top support bolts 112 are used to be threadedly connected to the bottom of the casting groove 31, and the connecting ring plate 11 is placed on the upper surface of the top support bolts 112.

[0050] With such a design, the height of the well seat body 1 can be adjusted by adjusting the height of the top support bolts 112, so that the upper surface of the well seat body 1 can be kept flush with the groove of the casting groove 31; the connecting ring plate 11 is fixed to the bottom of the casting groove 31 by the anchor bolts 111, so as to achieve the initial fixation of the well seat body 1, and then the casting groove 31 is cast with the roadbed material 4, and after the roadbed material 4 solidifies, the well seat body 1 is fixedly installed on the top of the wellhead of the inspection well 3, thereby improving the connection strength between the well seat body 1 and the inspection well 3.

[0051] Reference Figure 3 , Figure 4 The outer peripheral wall of the manhole cover body 2 is provided with a limit groove 21, and a plurality of limit grooves 21 are arranged and spaced around the central axis of the manhole cover body 2. The notches at both ends of each limit groove 21 are extended along the circumferential direction of the manhole cover body 2, and a connecting groove 22 is arranged at one end of each limit groove 21. The connecting groove 22 passes through the lower surface of the manhole cover body 2 and the connecting groove 22 passes through the outer peripheral wall of the manhole cover body 2; a limit block 14 is fixedly installed on the inner peripheral wall of the well seat body 1, and a plurality of limit blocks 14 are arranged and all limit blocks 14 are arranged in a one-to-one correspondence with all connecting grooves 22. The thickness of each limit block 14 is adapted to the width of the limit groove 21, and each limit block 14 is slidably installed in the corresponding connecting groove 22. When the lower surface of the manhole cover body 2 is attached to the bottom of the installation groove 13, the limit block 14 slides to the corresponding limit groove 21.

[0052] With such a design, when installing the manhole cover body 2, the connecting grooves 22 of the manhole cover body 2 are aligned one by one with the limiting blocks 14 of the manhole seat body 1, and then the manhole cover body 2 is pushed to force the manhole cover body 2 to move toward the bottom of the installation groove 13. When the lower surface of the manhole cover body 2 is in contact with the bottom of the installation groove 13, the limiting blocks 14 move to the connection between the corresponding limiting grooves 21 and the connecting grooves 22. Then, the manhole cover body 2 is rotated by a tool to force the limiting blocks 14 to rotate into the limiting grooves 21 to complete the installation of the manhole cover body 2. Multiple limiting blocks 14 can improve the supporting effect of the manhole seat body 1 on the manhole cover body 2, and reduce the possibility of the manhole cover body 2 being compressed and sinking relative to the manhole seat body 1. On the other hand, the thickness of the limiting blocks 14 is adapted to the width of the limiting grooves 21, so that the manhole cover body 2 is matched and connected to the manhole seat body 1 through the limiting blocks 14 and the limiting grooves 21, thereby reducing the possibility of the manhole cover body 2 jumping when an external vehicle rolls over the manhole cover body 2.

[0053] Reference Figure 3 , Figure 5 A ring-shaped sliding groove 15 is provided at the bottom of the mounting groove 13, and a ring-shaped sliding plate 5 is slidably installed in the sliding groove 15. In this embodiment, the shape of the sliding plate 5 is adapted to the shape of the sliding groove 15; a snap-in groove 23 is provided on the lower surface of the manhole cover body 2, and a snap-in block 51 adapted to the shape of the snap-in groove 23 is fixed on the plate surface of the sliding plate 5 close to the manhole cover body 2. When the limit block 14 is located at the end of the limit groove 21 away from the connecting groove 22, the snap-in block 51 is opposite to the snap-in groove 23.

[0054] Reference Figure 5, a plurality of compression springs 16 are installed between the sliding groove 15 and the sliding plate 5, all of which are arranged at intervals around the central axis of the well seat body 1, one end of the compression spring 16 is fixedly installed on the sliding plate 5, and the other end is fixedly installed on the bottom of the sliding groove 15, and the compression spring 16 normally forces the sliding plate 5 to move to the notch of the sliding groove 15; with such a design, when the well cover body 2 is installed, the well cover body 2 is pushed toward the bottom of the installation groove 13, and the lower surface of the well cover body 2 can abut against the clamping block 51 and push the sliding plate 5 through the clamping block 51, when the lower surface of the well cover body 2 is in contact with the bottom of the installation groove 13 and the limit block 14 rotates to the end of the limit groove 21 away from the connecting groove 22, the clamping block 51 can be clamped in the clamping groove 23 under the action of the compression spring 16, thereby fixing the well cover body 2, reducing the possibility that the well cover body 2 rotates freely and causes the limit block 14 to disengage from the limit groove 21, and improving the connection stability between the well cover body 2 and the well seat body 1.

[0055] Reference Figure 4 , Figure 5 A connecting hole 24 penetrating the manhole cover body 2 is provided on the upper surface of the manhole cover body 2. A plurality of connecting holes 24 are provided and are spaced apart around the central axis of the manhole cover body 2. A plurality of connecting grooves 17 are provided at the bottom of the mounting groove 13. All the connecting grooves 17 are spaced apart around the central axis of the well seat body 1. One end slot of each connecting groove 17 is connected to the sliding groove 15. The other end slot of each connecting groove 17 penetrates the inner circumferential wall of the well seat body 1. Each connecting groove 17 is provided with an unlocking member for driving the clamping block 51 to disengage from the clamping groove 23.

[0056] Reference Figure 3 , Figure 5 The unlocking member includes a connecting plate 52, which is slidably mounted in the connecting groove 17. One side of the connecting plate 52 is fixedly mounted on the sliding plate 5, and the other side extends to the bottom of the connecting hole 24. When the lower surface of the connecting plate 52 moves to fit with the bottom of the connecting groove 17, the sliding plate 5 drives the clamping block 51 to move and forces the clamping block 51 to move into the sliding groove 15; with this design, when it is necessary to open the manhole cover body 2, a tool is used to penetrate the connecting hole 24 and push the connecting plate 52, forcing the lower surface of the connecting plate 52 to fit with the bottom of the connecting groove 17, and the sliding plate 5 can drive the clamping block 51 to slide and disengage from the clamping groove 23, thereby releasing the clamping effect of the clamping block 51 on the manhole cover body 2, and then the manhole cover body 2 is rotated to force the limit block 14 to rotate to the connecting groove 22, so that the manhole cover body 2 can be removed, so that the operator can enter the inspection well (3).

[0057] Reference Figure 3 , Figure 5, each connecting plate 52 is provided with a rotation groove 521 on the side wall close to the manhole cover body 2, and the rotation groove 521 is a through groove that penetrates the connecting plate 52; a rotation rod 522 is rotatably installed in each rotation groove 521, and the rotation rod 522 is vertically arranged, one end of the rotation rod 522 is rotatably connected to the connecting plate 52, and the other end is extended toward the side away from the manhole cover body 2, and each rotating plate 523 is provided with a force application groove for driving the rotation rod 522 to rotate on the end surface close to the manhole cover body 2, and each rotating plate 523 is fixedly installed with a rotation rod 522 on the end surface away from the manhole cover body 2 Plate 523; when the connecting plate 52 moves to the bottom of the connecting groove 17, the rotating plate 523 close to the side wall of the connecting plate 52 can be rotated to the lower surface of the well seat body 1; with such a design, when it is necessary to open the well cover body 2, a tool is used to connect the force groove of the rotating rod 522, and then the rotating rod 522 is pushed to force the connecting plate 52 to move to the bottom of the connecting groove 17, and then the rotating rod 522 is rotated to force the rotating plate 523 to rotate to the lower surface of the well seat body 1, so that the clamping block 51 remains in the sliding groove 15, so that the operator can rotate the well cover body 2 and take it out.

[0058] Reference Figure 4 , Figure 5 A plurality of annular reinforcing ring ribs 25 are fixedly installed on the lower surface of the manhole cover body 2, the central axis of all the reinforcing ring ribs 25 is coaxially arranged with the central axis of the manhole cover body 2 and there is a gap between adjacent reinforcing ring ribs 25; a plurality of reinforcing strips 26 are also fixedly installed on the lower surface of the manhole cover body 2, all the reinforcing strips 26 are arranged at intervals around the manhole cover body 2 and each reinforcing strip rib 26 is connected in series to all the reinforcing ring ribs 25. In this embodiment, all the reinforcing strips 26 and all the reinforcing ring ribs 25 are integrally formed; with such a design, the reinforcing ring ribs 25 and the reinforcing plate 12 ribs can improve the structural strength of the manhole cover body 2, reduce the possibility of deformation of the manhole cover body 2 due to excessive external pressure, and improve the service life of the overall structure.

[0059] Reference Figure 5 In this embodiment, an arc groove 18 is opened on the inner peripheral wall of the well seat body 1, and a plurality of arc grooves 18 are arranged and spaced around the central axis of the well seat body 1, and all the arc grooves 18 are arranged one by one with all the rotating plates 523.

[0060] Reference Figure 3 , Figure 5The middle position of the rotating plate 523 is fixedly connected to the end face of the rotating rod 522. When the sliding plate 5 moves to the notch of the sliding groove 15, the rotating plate 523 can rotate and abut against the side wall of the reinforcing ring rib 25 away from the manhole cover body 2, and the side wall of the rotating plate 523 away from the reinforcing ring rib 25 is clamped in the corresponding arc groove 18; with such a design, the rotating rod 522 is rotated by a tool and one side of the rotating plate 523 is forced to be clamped in the arc groove 18, and the other end of the rotating plate 523 can rotate and abut against the side wall of the reinforcing ring rib 25 away from the manhole cover body 2, thereby playing a role in supporting the manhole cover body 2, reducing the possibility of deformation of the manhole cover body 2 due to excessive external pressure, and improving the pressure-bearing capacity of the manhole cover body 2.

[0061] Reference Figure 3 , Figure 5 , a synchronization component 6 for driving all the rotating rods 522 to rotate synchronously is installed between all the rotating rods 522; the synchronization component 6 includes a ring gear 61 and a gear 62, the ring gear 61 is coaxially fixed to the inner circumferential wall of the well seat body 1, in this embodiment, a plurality of gears 62 are provided and all the gears 62 are arranged one by one corresponding to all the rotating rods 522, each gear 62 is coaxially fixed to the outer circumferential wall of the corresponding rotating rod 522, the ring gear 61 and all the gears 62 are meshed for transmission, and the thickness of the ring gear 61 is greater than the thickness of the gear 62; with such a design, the rotating rod 522 is rotated by a tool, and the rotating rod 522 drives the gear 62 to mesh with the ring gear 61 for transmission, and all the rotating rods 522 can rotate synchronously under the meshing transmission of the gear 62 and the ring gear 61, thereby supporting the side wall of the reinforcing ring rib 25 away from the well cover body 2, improving the supporting effect on the well cover body 2, and further improving the pressure bearing effect of the well cover body 2.

[0062] The implementation principle of a heavy-duty manhole cover for an inspection well in the embodiment of the present application is as follows: when installing the manhole cover body 2, align the connecting groove 22 of the manhole cover body 2 with the limiting block 14 and push the manhole cover body 2 toward the bottom of the installation groove 13. When the lower surface of the manhole cover body 2 is in contact with the bottom of the installation groove 13, the limiting block 14 slides along the connecting groove 22 to the limiting groove 21. Then, a tool is used to rotate the manhole cover body 2 to force the limiting block 14 to rotate to the notch at one end of the limiting groove 21 away from the connecting groove 22. Multiple limiting blocks 14 can improve the supporting effect of the well seat body 1 on the manhole cover body 2. Then, use The tool rotates the rotating rod 522, forcing the rotating plate 523 to rotate and abut against the side wall of the reinforcing ring rib 25 away from the manhole cover body 2. At this time, the side of the rotating plate 523 away from the reinforcing ring rib 25 is clamped in the corresponding arc groove 18, and the side wall of the arc groove 18 can support the rotating plate 523 to prevent the rotating plate 523 from moving toward the side away from the manhole cover body 2. Multiple rotating plates 523 can be supported at the bottom of the manhole cover body 2, further improving the pressure-bearing capacity of the manhole cover body 2, reducing the possibility of the manhole cover body 2 sinking due to excessive pressure, and improving the service life of the overall structure.

[0063] The embodiment of the present application also discloses a method for installing and constructing a heavy-duty manhole cover for an inspection well.

[0064] A method for installing and constructing a heavy-duty manhole cover for an inspection well, specifically comprising the following steps:

[0065] S1. Preliminary preparation: Measure the expected coordinates of the well seat body 1, determine the center position of the well seat body 1 installation, and lay out the position line of the well seat body 1 of the inspection well 3, and open a casting groove 31 at the top of the wellhead of the inspection well 3.

[0066] S2. Treatment of the top of the wellhead of inspection well 3: a: Use a circular template to cover the top of the wellhead of inspection well 3 to reduce the possibility of loose stones, fragments, etc. falling into the inspection well 3; b: Roughen the top of the wellhead of inspection well 3; c: Use a self-priming vacuum cleaner to clean the floating dust and smaller fragments on the top of the wellhead; d: Rinse the top of the wellhead with clean water.

[0067] S3. Installation of the well seat body 1: a: Use a bolt positioning tool to locate and mark the anchoring position and the supporting position of the well seat body 1 at the top of the wellhead, and implant a plurality of supporting bolts 112. All supporting bolts 112 are arranged at intervals around the central axis of the inspection well 3. It should be noted that the supporting bolts 112 are used to support the well seat body 1, so that the well seat body 1 and the top of the wellhead are arranged at intervals to form a casting space. b: Use a lifting mechanism to place the well seat body 1 on the supporting bolts 112. c: Implant a plurality of anchor bolts 111, so that the plurality of anchor bolts 111 are passed through the fixing grooves 113 of the connecting ring plate 11 of the well seat body 1 one by one and fixedly connected to the top of the wellhead. It should be noted that the anchor bolts 111 are used to lock the well seat body 1, and the well seat body 1 is preliminarily installed at the top of the wellhead.

[0068] S4. Installation of lining template: refer to Figure 6, a: An annular partition 7 is installed between the inner circumferential wall of the well seat body 1 and the inner circumferential wall of the inspection well 3, and a pouring space for pouring the roadbed material 4 is formed between the lower surface of the well seat body 1, the top of the wellhead and the annular partition 7; b: An adjusting sleeve 71 is arranged in the annular partition 7, and a supporting assembly 72 is arranged between the adjusting sleeve 71 and the annular partition 7. The supporting assembly 72 is arranged in multiple groups and is arranged at intervals around the central axis of the annular partition 7. The supporting assembly 72 includes a rotating sleeve 721 and a screw 722. The rotating sleeve 721 is fixedly installed On the outer wall of the adjusting sleeve 71, one end of the screw rod 722 is passed through the rotating sleeve 721 and is threadedly connected with the rotating sleeve 721, and the other end of the screw rod 722 is rotatably connected with the top plate 723, and the side wall of the top plate 723 away from the screw rod 722 is pressed against the inner circumferential wall of the annular partition 7; the screw rod 722 is rotated to force the top plate 723 to press against the inner circumferential wall of the annular partition 7, so that the annular partition 7 is firmly pressed against the inner circumferential wall of the well seat body 1 and the inner circumferential wall of the inspection well 3, and the adjusting sleeve 71 is installed with a lifting ring 711 for lifting the adjusting sleeve 71.

[0069] S5. Pouring of roadbed material 4: a: pouring concrete into the pouring space; b: vibrating the concrete using a small vibrating rod.

[0070] S6. Disassembly of the lining formwork: a: After the concrete solidifies, rotate the screw 722 to release the top plate 723 from supporting the annular partition 7; b: lift out the adjustment sleeve 71 through the lifting mechanism, and disassemble and take out the annular partition 7.

[0071] The implementation principle of the installation and construction method of a heavy-duty manhole cover for an inspection well in an embodiment of the present application is as follows: before pouring concrete, a pouring space is formed between the well seat body 1 and the surface of the well ring by means of the supporting bolts 112, and the well seat body 1 is preliminarily fixed by means of the anchor bolts 111; then the annular partition 7 is installed and the roadbed material 4 is poured into the pouring space, and after the roadbed material 4 solidifies, the contact area between the well seat body 1 and the roadbed material 4 is increased, thereby further improving the connection stability of the well seat body 1; a support assembly 72 is arranged in the annular partition 7, and the support assembly 72 can improve the structural stability of the annular partition 7 to ensure the subsequent pouring of the roadbed material 4, and reduce the possibility of the annular partition 7 falling off during the pouring of the roadbed material 4 and causing leakage of the roadbed material 4.

[0072] The above are preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A heavy-duty manhole cover for inspection wells, Features: The invention comprises a well seat body (1) and a well cover body (2), wherein the well seat body (1) is used to be installed at the top of the wellhead of an inspection well (3), and a roadbed material (4) is filled between the outer peripheral wall of the well seat body (1) and the top of the wellhead of the inspection well (3); a connecting ring plate (11) is coaxially fixed to the outer peripheral wall of the well seat body (1), and a plurality of reinforcing plates (12) are fixed between the top wall of the connecting ring plate (11) and the outer peripheral wall of the well seat body (1), and all the reinforcing plates (12) are arranged at intervals around the outer peripheral wall of the well seat body (1); the connecting ring plate (11) is installed with a plurality of anchor bolts (111) for fixed connection with the top of the wellhead of the inspection well (3); the top wall of the well seat body (1) is provided with an installation groove (13 ), the manhole cover body (2) is installed in the installation groove (13), the outer peripheral wall of the manhole cover body (2) is provided with a plurality of limit grooves (21), all of the limit grooves (21) are arranged at intervals around the outer peripheral wall of the manhole cover body (2), the two end notches of each of the limit grooves (21) are arranged to extend along the circumference of the manhole cover body (2), and one end notch of each of the limit grooves (21) is provided with a connecting groove (22) penetrating the lower surface of the manhole cover body (2); the inner peripheral wall of the manhole seat body (1) is fixed with a plurality of limit blocks (14) corresponding to the connecting grooves (22), and the thickness of the limit blocks (14) is adapted to the width of the limit grooves (21); the bottom of the installation groove (13) is provided with a sliding groove (21). A slot (15) is provided on the sliding slot (15), a sliding plate (5) is slidably installed in the sliding slot (15), a compression spring (16) is installed between the sliding plate (5) and the sliding slot (15), and the compression spring (16) normally causes the sliding plate (5) to slide to the slot opening of the sliding slot (15); a clamping slot (23) is provided on the lower surface of the manhole cover body (2), a clamping block (51) is fixed on the side wall of the sliding plate (5) close to the manhole cover body (2), and when the limiting block (14) rotates to the slot opening of the limiting slot (21) away from the connecting slot (22), the compression spring (16) forces the clamping block (51) to clamp into the clamping slot (23); the sliding plate (5) is provided with a spring for driving the clamping block (51) to clamp into the connecting slot (23). The unlocking member (51) is separated from the clamping groove (23); the upper surface of the manhole cover body (2) is provided with a connecting hole (24) penetrating the manhole cover body (2); the bottom of the installation groove (13) is provided with a connecting groove (17); one end of the connecting groove (17) is connected to the sliding groove (15), and the other end passes through the inner wall of the manhole seat body (1); the unlocking member comprises a connecting plate (52) slidably mounted on the connecting groove (17); one side of the connecting plate (52) is fixed to the sliding plate (5), and the other side extends to the bottom of the connecting hole (24); when the connecting plate (52) moves to the bottom of the connecting groove (17), the clamping block (51) is separated from the clamping groove (23).

2. A heavy-duty manhole cover for an inspection well according to claim 1, Features: The connecting plate (52) is provided with a rotation groove (521) passing through the connecting plate (52) near the side wall of the manhole cover body (2); a rotation rod (522) is rotatably installed in the rotation groove (521); a rotation plate (523) is fixed to the end surface of the rotation rod (522) away from the connecting plate (52); when the connecting plate (52) moves to the bottom of the connecting groove (17), the rotation plate (523) can be rotated to the lower surface of the manhole seat body (1) near the side wall of the connecting plate (52).

3. A heavy-duty manhole cover for an inspection well according to claim 2, Features: A plurality of annular reinforcing ring ribs (25) are fixed to the lower surface of the manhole cover body (2), all of the reinforcing ring ribs (25) are coaxially arranged and there is a gap between adjacent reinforcing ring ribs (25); when the sliding plate (5) moves to the notch of the sliding groove (15), the rotating plate (523) can rotate and abut against the side wall of the reinforcing ring ribs (25) away from the manhole cover body (2).

4. A heavy-duty manhole cover for an inspection well according to claim 3, Features: A plurality of connecting grooves (17) are provided and are arranged at intervals around the central axis of the well seat body (1); a plurality of connecting plates (52) are provided and all the connecting plates (52) are arranged one-to-one with all the connecting grooves (17); each connecting plate (52) is fixedly connected to the sliding plate (5) and slidably installed in the corresponding connecting groove (17); a plurality of rotating rods (522) are provided and all the rotating rods (522) are arranged one-to-one with all the connecting plates (52); each rotating rod (522) is rotatably installed on the corresponding connecting plate (52); a plurality of rotating plates (523) are provided and all the rotating plates (523) are arranged one-to-one with all the rotating rods (522); each rotating plate (523) is fixed to the end surface of the corresponding rotating rod (522) away from the connecting plate (52); and a synchronization component (6) for driving all the rotating rods (522) to rotate synchronously is provided between all the rotating rods (522).

5. The heavy-duty manhole cover for inspection well according to claim 3, Features: The middle position of the rotating plate (523) is fixedly connected to the end face of the rotating rod (522), and the inner peripheral wall of the well seat body (1) is provided with an arc groove (18). When the rotating plate (523) abuts against the side wall of the reinforcing ring rib (25) away from the well cover body (2), the side wall of the rotating plate (523) away from the reinforcing ring rib (25) is clamped in the arc groove (18).

6. A method for installing and constructing a heavy-duty manhole cover for an inspection well. It is characterized in that Using a heavy-duty manhole cover for an inspection well as claimed in any one of claims 1 to 5 comprises the following steps: S1. Preliminary preparation: coordinate measurement, determine the center position of the well seat body (1) for installation, and lay out the position line of the well seat body (1), and open a casting groove (31) at the top of the wellhead of the inspection well (3); S2. Treatment of the top of the well ring of the inspection well (3): roughening the top of the well mouth of the inspection well (3); S3. Installation of the well seat body (1): The well seat body (1) is fixedly installed at the top position of the wellhead of the inspection well (3); S4, installation of the lining template: an annular partition plate (7) is installed between the inner peripheral wall of the well seat body (1) and the inner peripheral wall of the inspection well (3), and a casting space for casting the roadbed material (4) is formed between the well seat body (1), the inspection well (3) and the annular partition plate (7); S5, pouring of roadbed material (4): pouring roadbed material (4) into the pouring space; S6. Disassembly of the lining formwork: After the roadbed material (4) solidifies, remove the annular partition (7).

7. The installation and construction method of a heavy-duty manhole cover for an inspection well according to claim 6, Features: In step S3, a plurality of supporting bolts (112) for keeping the well seat body (1) horizontal and a plurality of anchor bolts (111) for fixing the well seat body (1) to the top of the well ring of the inspection well (3) are installed at the top position of the wellhead of the inspection well (3), and all the supporting bolts (112) and all the anchor bolts (111) are arranged at intervals around the central axis of the well seat body (1).

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