Height-adjustable well lid structure and adjusting method thereof

Abstract

The invention relates to the technical field of well lid structures, in particular to a height-adjustable well lid structure and an adjusting method thereof, and aims to solve the problems that all the periphery of a well lid system is a stress concentration area, an adjusting ring, a walling crib and other components run in an overload mode under the action of traffic loads, damage is prone to occurring, and the service life of the well lid system is prolonged. The well lid structure solves the problems that the well lid is settled, displaced, vibrated or damaged due to the deformation of the well lid, the riding comfort is affected, and even the driving safety is affected, so that the use efficiency and effect of the well lid structure are enhanced. Comprising a well lid body, a hoistway body and a fixing ring, the fixing ring is fixedly installed in the top area of the inner wall of the hoistway body, the well lid body is placed in the hoistway body, the bottom end of the well lid body makes contact with the top end of the fixing ring, and a height adjusting mechanism is arranged at the bottom end of the well lid body; the height adjusting mechanism further comprises a rotating motor, a first lead screw, a sliding block, a lifting ring, a supporting column, a connecting plate and a jacking plate.

Description

Technical Field

[0001] The invention relates to the technical field of manhole cover structures, and in particular to a manhole cover structure with adjustable height and an adjustment method thereof. Background Art

[0002] Manhole covers are used to cover deep wells on roads or in homes to prevent people or objects from falling. According to the material, they can be divided into metal manhole covers, high-strength fiber cement concrete manhole covers, resin manhole covers, etc. They are generally round. They can be used in green belts, sidewalks, motorway lanes, docks, alleys, etc.

[0003] It has been found in the use of an existing manhole cover structure that with the increase of modern traffic flow and the increase of vehicle loads, under the action of vehicle loads (dynamic loads), the entire periphery of the manhole cover system is a stress concentration area, and components such as adjustment rings and manhole rings are overloaded under the action of vehicle loads, and are easily damaged, causing the manhole cover to sink, displace, vibrate or be damaged, thereby affecting the riding comfort and even driving safety, thereby reducing the use efficiency and effect of the manhole cover structure, resulting in poor practicality. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the present invention provides a height-adjustable manhole cover structure and an adjustment method thereof, with the purpose of solving the problem that the entire periphery of the manhole cover system is a stress concentration area, and components such as adjustment rings and manhole rings are overloaded under the action of vehicle loads and are easily damaged, resulting in settlement, displacement, vibration or damage of the manhole cover, thereby affecting riding comfort and even driving safety. Therefore, the use efficiency and effect of the manhole cover structure are enhanced, thereby enhancing the practicality of the height-adjustable manhole cover structure and an adjustment method thereof.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a height-adjustable manhole cover structure, comprising a manhole cover body, a shaft body and a fixing ring, wherein a fixing ring is fixedly installed at the top area of ​​the inner wall of the shaft body, the manhole cover body is placed in the shaft body, the bottom end of the manhole cover body contacts the top end of the fixing ring, and a height adjustment mechanism is provided at the bottom end of the manhole cover body;

[0008] The top end of the lifting link is connected with the lifting link of the lifting link, and the top end of the lifting link is connected with the lifting link of the lifting link through the guide hole, and the upper end of the lifting link is connected with the lower end of the lifting link through the guide hole.

[0009] Furthermore, in order to facilitate elastic support for the tightening plate, the present invention has the following improvements: the elastic mechanism also includes a shock-absorbing spring and a first rod, the top ends of the multiple groups of first rods are circumferentially evenly connected to the bottom end of the tightening plate, the multiple groups of shock-absorbing springs are fitted to the corresponding first rods, and the multiple groups of first rods are slidably connected to the corresponding connecting plates.

[0010] Furthermore, in order to facilitate the smooth lifting and sliding of the lifting ring, the improvement of the present invention is that the guide mechanism also includes a guide rod and a support ring, the outer side of the support ring is connected to the bottom area of ​​the corresponding inner wall of the well body, the multiple groups of guide rods are evenly distributed between the support ring and the fixed ring, and the lifting ring is slidably fitted with the corresponding multiple groups of guide rods.

[0011] Furthermore, in order to facilitate the limiting, clamping and fixing of the lifting ring, the improvement of the present invention is that the locking mechanism also includes an electric push rod, a locking rod, a sliding plate, a first plate and a second plate, and the inner wall of the well body is symmetrically provided with multiple groups of locking grooves, and the corresponding first plate and the bottom ends of the second plate are symmetrically installed on the top of the lifting ring, the two groups of electric push rod mounting ends are connected to the corresponding first plate, the two groups of electric push rod output ends are connected to one side of the corresponding sliding plate, the corresponding one side of the sliding plate is connected to one side of the corresponding locking rod, the locking rod is slidably fitted to the corresponding second plate, and the locking rod is slidably clamped to the corresponding locking groove.

[0012] Furthermore, in order to facilitate the position limiting of the first rod, the present invention is improved to further include a limiting plate, and the bottom ends of the multiple groups of first rods are fixedly connected to the top ends of the corresponding limiting plates.

[0013] Furthermore, in order to improve the shock-absorbing effect, the present invention is improved to include a protective rubber pad, and a protective rubber pad is arranged on the top of the tightening plate.

[0014] Furthermore, in order to improve the strength of the manhole cover body, the improvement of the present invention further includes rib plates, and a plurality of groups of rib plates are arranged at the bottom end of the manhole cover body.

[0015] Furthermore, the rotating motor is configured as a servo motor.

[0016] The present invention also discloses a method for adjusting a height-adjustable manhole cover structure, comprising the following steps:

[0017] Step 1: Place the manhole cover body in the shaft body and adjust the height of the manhole cover body according to the actual situation;

[0018] Step 2, start the rotating motor, the rotating motor drives the first screw to rotate, and then the rotation of the first screw can drive the corresponding sliding block and the lifting ring to adjust the height, and the lifting ring drives the pillar, the connecting plate and the tightening plate to lift the manhole cover body, so as to facilitate the height position adjustment of the manhole cover body;

[0019] Step 3: Then, by using the guide rod, the lifting and sliding of the lifting ring can be guided to effectively prevent the lifting ring from tilting;

[0020] Step 4: Start the electric push rod, which drives the corresponding sliding plate and the locking rod to slide, so that the locking rod is inserted into the corresponding locking groove, thereby completing the fixed limit of the lifting ring;

[0021] Step 5. After the height adjustment is completed, the shock-absorbing spring is used to facilitate the elastic support of the top tightening plate when the vehicle passes through the manhole cover body. When the vehicle reaches a certain weight, the shock-absorbing spring is used to effectively protect the entire device and increase its service life.

[0022] (III) Beneficial effects

[0023] Compared with the prior art, the present invention provides a height-adjustable manhole cover structure and an adjustment method thereof, which have the following beneficial effects:

[0024] A height-adjustable manhole cover structure and its adjustment method: 1. The present invention is provided with a height adjustment mechanism, by starting a rotating motor, the rotating motor drives the first screw to rotate, and then the rotation of the first screw can drive the corresponding sliding block and the lifting ring to adjust the height, and the lifting ring drives the pillar, the connecting plate and the tightening plate to lift the manhole cover body, so as to facilitate the height position adjustment of the manhole cover body, which is convenient and quick; 2. The present invention is provided with a guide mechanism, through the use of a guide rod, the lifting and sliding of the lifting ring can be guided, and the tilting of the lifting ring can be effectively prevented; 3. The present invention is provided with an elastic mechanism, through the use of a shock-absorbing spring, it is convenient for a vehicle to pass through the manhole cover body, when the vehicle reaches a certain weight, through the shock-absorbing spring The top tightening plate is elastically supported, so as to facilitate effective protection of the overall device and improve the service life of the manhole cover body; 4. The present invention is provided with a locking mechanism, by starting the electric push rod, the electric push rod drives the corresponding sliding plate and the locking rod to slide, so that the locking rod is inserted into the corresponding locking groove, thereby completing the fixed limit of the lifting ring; through a height-adjustable manhole cover structure and an adjustment method thereof, the purpose is to solve the problem that the surrounding area of ​​the manhole cover system is all stress concentration areas, and the adjustment ring, manhole ring and other components are overloaded under the action of driving load, which are prone to damage, resulting in settlement, displacement, vibration or destruction of the manhole cover, thereby affecting the riding comfort and even affecting the driving safety. Therefore, the use efficiency and effect of the manhole cover structure are enhanced, thereby enhancing the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention;

[0026] Figure 2 It is a schematic structural diagram of a first part of the interior of the hoistway body of the present invention;

[0027] Figure 3 It is a schematic structural diagram of a second part of the interior of the hoistway body of the present invention;

[0028] Figure 4 It is a structural schematic diagram of a third part inside the hoistway main body of the present invention;

[0029] Figure 5 It is a structural schematic diagram of the elastic mechanism of the present invention;

[0030] Figure 6 It is a structural schematic diagram of the manhole cover body of the present invention.

[0031] In the figure: 1. manhole cover body; 2. well body; 3. fixing ring; 4. rotating motor; 5. first screw rod; 6. sliding block; 7. lifting ring; 8. pillar; 9. connecting plate; 10. tightening plate; 11. slide groove; 12. chamber; 13. shock-absorbing spring; 14. first rod; 15. guide rod; 16. supporting ring; 17. electric push rod; 18. locking rod; 19. sliding plate; 20. first plate; 21. second plate; 22. locking groove; 23. limit plate; 24. protective rubber pad; 25. rib plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-6 A height-adjustable manhole cover structure comprises a manhole cover body 1, a shaft body 2 and a fixing ring 3, wherein the fixing ring 3 is fixedly installed on the top area of ​​the inner wall of the shaft body 2, the manhole cover body 1 is placed in the shaft body 2, the bottom end of the manhole cover body 1 contacts the top end of the fixing ring 3, and the bottom end of the manhole cover body 1 is provided with a height adjustment mechanism;

[0034] The height adjustment mechanism also includes a rotating motor 4, a first screw rod 5, a sliding block 6, a lifting ring 7, a support 8, a connecting plate 9 and a tightening plate 10. The inner wall of the well body 2 is symmetrically provided with slide grooves 11 at both ends. The top area of ​​the slide groove 11 is provided with a chamber 12. The mounting ends of the two groups of rotating motors 4 are connected to the bottom ends of the corresponding chambers 12. The two groups of first screw rods 5 are rotatably connected to the two sides of the corresponding slide grooves 11. The top of the first screw rod 5 is fixedly connected to the output end of the corresponding rotating motor 4. The two groups of sliding blocks 6 are provided with threaded through holes. The two groups of first screw rods 5 are connected to the corresponding output ends of the rotating motors 4 through the threaded through holes. The corresponding sliding blocks 6 are threadedly connected, and the two groups of sliding blocks 6 are slidably connected to the corresponding sliding grooves 11. The two groups of sliding blocks 6 are symmetrically installed on both sides of the lifting ring 7. The lifting ring 7 is provided with pillars 8 in a circular ring at the top circumference. The top of the corresponding pillars 8 is connected to the bottom of the corresponding connecting plate 9. The top of the tightening plate 10 is in tight contact with the bottom of the manhole cover body 1. The tightening plate 10 is slidably connected to the corresponding connecting plate 9 through an elastic mechanism. The lifting ring 7 is slidably connected to the corresponding inner wall of the well body 2 through a guide mechanism, and the lifting ring 7 is fixedly connected to the inner wall of the well body 2 through a locking mechanism.

[0035] When the device is in use, 1. The present invention is provided with a height adjustment mechanism, by starting the rotating motor 4, the rotating motor 4 drives the first screw rod 5 to rotate, and then the rotation of the first screw rod 5 can drive the corresponding sliding block 6 and the lifting ring 7 to adjust the height, and the lifting ring 7 drives the pillar 8, the connecting plate 9 and the tightening plate 10 to lift the manhole cover body 1, so as to facilitate the height position adjustment of the manhole cover body 1, which is convenient and quick; 2. The present invention is provided with a guide mechanism, through the use of the guide rod 15, the lifting and sliding of the lifting ring 7 can be guided, and the tilting of the lifting ring 7 can be effectively prevented; 3. The present invention is provided with an elastic mechanism, through the use of the shock-absorbing spring 13, when the vehicle passes through the manhole cover body 1, when the vehicle reaches a certain weight, the shock-absorbing spring 13 is used to tighten the manhole cover body 1. The plate 10 is elastically supported, so as to facilitate effective protection of the overall device and improve the service life of the manhole cover body 1; 4. The present invention is provided with a locking mechanism, by starting the electric push rod 17, the electric push rod 17 drives the corresponding sliding plate 19 and the locking rod 18 to slide, so that the locking rod 18 is inserted into the corresponding locking groove 22, thereby completing the fixed limit of the lifting ring 7; through a height-adjustable manhole cover structure and an adjustment method thereof, the purpose is to solve the problem that the periphery of the manhole cover system is all stress concentration areas, and the adjustment ring, manhole ring and other components are overloaded under the action of driving load, which are prone to damage, resulting in settlement, displacement, vibration or destruction of the manhole cover, thereby affecting the riding comfort and even affecting the driving safety. The problem, thereby enhancing the use efficiency and effect of the manhole cover structure, thereby enhancing the practicality.

[0036] In actual use, it is found that it is not convenient to provide elastic support for the clamping plate 10. In order to solve the above problem, in this embodiment, the elastic mechanism also includes a shock-absorbing spring 13 and a first rod 14. The top circumference of the multiple groups of first rods 14 is evenly connected to the bottom end of the clamping plate 10, and the multiple groups of shock-absorbing springs 13 are mounted on the corresponding first rods 14. The multiple groups of first rods 14 are slidably connected to the corresponding connecting plates 9.

[0037] It was found in actual use that it was not convenient for the lifting and sliding of the lifting ring 7 to be smooth. In order to solve the above problem, in this embodiment, the guide mechanism also includes a guide rod 15 and a support ring 16. The outer side of the support ring 16 is connected to the bottom area of ​​the inner wall of the corresponding well body 2, and the multiple groups of guide rods 15 are evenly distributed between the support ring 16 and the fixed ring 3. The lifting ring 7 is slidably mounted on the corresponding multiple groups of guide rods 15.

[0038] During actual use, it was found that it was not convenient to limit and clamp the lifting ring 7. In order to solve the above problem, in this embodiment, the locking mechanism also includes an electric push rod 17, a locking rod 18, a sliding plate 19, a first plate 20 and a second plate 21. The inner wall of the well body 2 is symmetrically provided with multiple groups of locking grooves 22, and the corresponding first plate 20 and the bottom ends of the second plate 21 are symmetrically installed on the top of the lifting ring 7. The mounting ends of the two groups of electric push rods 17 are connected to the corresponding first plate 20, and the output ends of the two groups of electric push rods 17 are connected to one side of the corresponding sliding plate 19, and one side of the corresponding sliding plate 19 is connected to one side of the corresponding locking rod 18. The locking rod 18 is slidably fitted on the corresponding second plate 21, and the locking rod 18 is slidably clamped on the corresponding locking groove 22.

[0039] In actual use, it is found that it is inconvenient to limit the position of the first rod 14. In order to solve the above problem, this embodiment also includes a limiting plate 23, and the bottom ends of the multiple groups of first rods 14 are fixedly connected to the top ends of the corresponding limiting plates 23.

[0040] As a preference of the above embodiment, it is not convenient to improve the shock absorption effect. In order to solve the above problem, in this embodiment, a protective rubber pad 24 is further included. The top of the tightening plate 10 is provided with a protective rubber pad 24 .

[0041] As a preferred embodiment of the above, it is not convenient to improve the strength of the manhole cover body 1. In order to solve the above problem, this embodiment also includes a rib plate 25, and a plurality of groups of rib plates 25 are arranged at the bottom end of the manhole cover body 1.

[0042] As a preference in the above embodiment, the rotating motor 4 is configured as a servo motor.

[0043] The present invention also discloses a method for adjusting a height-adjustable manhole cover structure, comprising the following steps:

[0044] Step 1: Place the manhole cover body 1 in the shaft body 2, and adjust the height of the manhole cover body 1 according to actual conditions;

[0045] Step 2, start the rotating motor 4, the rotating motor 4 drives the first screw rod 5 to rotate, and then the first screw rod 5 rotates to drive the corresponding sliding block 6 and the lifting ring 7 to adjust the height, and the lifting ring 7 drives the support 8, the connecting plate 9 and the tightening plate 10 to lift the manhole cover body 1, so as to facilitate the height position adjustment of the manhole cover body 1;

[0046] Step 3: Then, by using the guide rod 15, the lifting and sliding of the lifting ring 7 can be guided, thereby effectively preventing the lifting ring 7 from tilting;

[0047] Step 4, then start the electric push rod 17, the electric push rod 17 drives the corresponding sliding plate 19 and the locking rod 18 to slide, so that the locking rod 18 is inserted into the corresponding locking groove 22, thereby completing the fixed limit of the lifting ring 7;

[0048] Step 5. After the height adjustment is completed, the shock-absorbing spring 13 is used to facilitate the elastic support of the top plate 10 when the vehicle passes through the manhole cover body 1. When the vehicle reaches a certain weight, the shock-absorbing spring 13 is used to elastically support the top plate 10, thereby facilitating effective protection of the entire device and increasing its service life.

[0049] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0050] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0051] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A height-adjustable manhole cover structure, comprising a manhole cover body (1), a shaft body (2) and a fixing ring (3), wherein the fixing ring (3) is fixedly mounted on the top area of ​​the inner wall of the shaft body (2), the manhole cover body (1) is placed in the shaft body (2), the bottom end of the manhole cover body (1) contacts the top end of the fixing ring (3), and a height adjustment mechanism is arranged at the bottom end of the manhole cover body (1); It is characterized in that The height adjustment mechanism also includes a rotating motor (4), a first screw rod (5), a sliding block (6), a lifting ring (7), a support (8), a connecting plate (9) and a tightening plate (10). The inner wall of the well body (2) is symmetrically provided with sliding grooves (11) at both ends. The top area of ​​the sliding groove (11) is provided with a chamber (12). The mounting ends of the two groups of rotating motors (4) are connected to the bottom ends of the corresponding chambers (12). The two groups of first screw rods (5) are rotatably connected to the two sides of the corresponding sliding grooves (11). The top end of the first screw rod (5) is fixedly connected to the output end of the corresponding rotating motor (4). The two groups of sliding blocks (6) are provided with threaded through holes. The two groups of first screw rods (5) are connected through the threaded through holes. The two groups of sliding blocks (6) are threadedly connected to the corresponding sliding blocks (6), and the two groups of sliding blocks (6) are slidably connected to the corresponding sliding grooves (11). The two groups of sliding blocks (6) are symmetrically installed on both sides of the lifting ring (7). The top of the lifting ring (7) is provided with a pillar (8) in a circular ring shape. The top of the corresponding pillar (8) is connected to the bottom of the corresponding connecting plate (9). The top of the tightening plate (10) is in tight contact with the bottom of the manhole cover body (1). The tightening plate (10) is slidably connected to the corresponding connecting plate (9) through an elastic mechanism. The lifting ring (7) is slidably connected to the inner wall of the corresponding well body (2) through a guiding mechanism. The lifting ring (7) is fixedly connected to the inner wall of the well body (2) through a locking mechanism.

2. A height-adjustable manhole cover structure according to claim 1, characterized in that: The elastic mechanism also includes a shock absorbing spring (13) and a first rod (14), the top ends of the multiple groups of first rods (14) are evenly connected to the bottom end of the tightening plate (10), the multiple groups of shock absorbing springs (13) are fitted with the corresponding first rods (14), and the multiple groups of first rods (14) are slidably connected to the corresponding connecting plates (9).

3. A height-adjustable manhole cover structure according to claim 2, characterized in that: The guide mechanism also includes a guide rod (15) and a support ring (16), the outer side of the support ring (16) is connected to the bottom area of ​​the inner wall of the corresponding well body (2), the multiple groups of guide rods (15) are evenly distributed between the support ring (16) and the fixed ring (3), and the lifting ring (7) is slidably mounted on the corresponding multiple groups of guide rods (15).

4. The height-adjustable manhole cover structure according to claim 3, characterized in that: The locking mechanism also includes an electric push rod (17), a locking rod (18), a sliding plate (19), a first plate (20) and a second plate (21); the inner wall of the well body (2) is symmetrically provided with a plurality of locking grooves (22); the corresponding first plate (20) and the bottom ends of the second plate (21) are symmetrically mounted on the top of the lifting ring (7); the mounting ends of the two groups of electric push rods (17) are connected to the corresponding first plates (20); the output ends of the two groups of electric push rods (17) are connected to one side of the corresponding sliding plate (19); the one side of the corresponding sliding plate (19) is connected to one side of the corresponding locking rod (18); the locking rod (18) is slidably mounted on the corresponding second plate (21); and the locking rod (18) is slidably clamped with the corresponding locking groove (22).

5. The height-adjustable manhole cover structure according to claim 4, characterized in that: It also includes a limiting plate (23), and the bottom ends of the plurality of groups of first rods (14) are fixedly connected to the top ends of the corresponding limiting plates (23).

6. A height-adjustable manhole cover structure according to claim 5, characterized in that: It also comprises a protective rubber pad (24), and the top end of the tightening plate (10) is provided with a protective rubber pad (24).

7. A height-adjustable manhole cover structure according to claim 6, characterized in that: It also includes rib plates (25), and a plurality of groups of rib plates (25) are arranged at the bottom end of the manhole cover body (1).

8. The height-adjustable manhole cover structure according to claim 7, characterized in that: The rotating motor (4) is configured as a servo motor.

9. A method for adjusting a height-adjustable manhole cover structure, comprising a height-adjustable manhole cover structure according to any one of claims 1 to 8, characterized in that: The steps include: Step 1: Place the manhole cover body (1) in the shaft body (2), and adjust the height of the manhole cover body (1) according to actual conditions; Step 2, start the rotating motor (4), the rotating motor (4) drives the first screw rod (5) to rotate, and then the rotation of the first screw rod (5) can drive the corresponding sliding block (6) and the lifting ring (7) to adjust the height, and the lifting ring (7) drives the support (8), the connecting plate (9) and the tightening plate (10) to lift the manhole cover body (1), so as to facilitate the height position adjustment of the manhole cover body (1); Step 3: Then, by using the guide rod (15), the lifting and sliding of the lifting ring (7) can be guided, thereby effectively preventing the lifting ring (7) from tilting; Step 4, then start the electric push rod (17), the electric push rod (17) drives the corresponding sliding plate (19) and the locking rod (18) to slide, so that the locking rod (18) is inserted into the corresponding locking groove (22), thereby completing the fixed limit of the lifting ring (7); Step 5. After the height adjustment is completed, the shock-absorbing spring (13) is used to facilitate the elastic support of the top plate (10) when a vehicle passes through the manhole cover body (1). When the vehicle reaches a certain weight, the shock-absorbing spring (13) is used to effectively protect the entire device and increase its service life.

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