Combined bridge pier crawling ladder

By setting up installation holes and bolts on the bridge pier and automatically rising the storage ladder with the servo motor and screw mechanism, the safety risks caused by the inability to be stored on the bridge pier ladder are solved, and the safety and bearing capacity of the device are enhanced.

CN222253810UActive Publication Date: 2024-12-27JINHUA RAIL TRANSIT GRP OPERATION CO LTD +1
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Patent Information

Application Number
CN202420948960.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2024-12-27
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

The existing piers cannot be stored and are easily climbed by irrelevant personnel, which poses a greater risk of life and safety for personnel.

Method used

A combined bridge pier ladder is designed, by providing first and second mounting holes on the bridge pier body, and fixing the first and second ladder components with first and second bolts, combining the servo motor and the screw mechanism, the The ladder can automatically rise and store when it is used to avoid climbing.

Benefits of technology

It effectively avoids the risk of falling caused by climbing by unrelated personnel, and at the same time, the installation firmness of the bolts is enhanced through synthetic resin mortar and the bearing capacity of the device is enhanced.

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Abstract

The utility model discloses a combined bridge pier ladder stand, which relates to the field of bridge maintenance and comprises a bridge pier body, first mounting holes are formed in the top and the middle of the front surface of the bridge pier body, and first ladder stand components are fixedly mounted in the first mounting holes through first bolts. A second mounting hole is formed in the bottom of the front face of the pier body, through arrangement of a first bolt, a second bolt and a lifting assembly, during use, a servo motor drives a lead screw to rotate, then the lead screw rotates to drive a lifting rod to ascend, then the lifting rod ascends and drives a second climbing rod to ascend at the same time, and then the second climbing rod ascends and is stored; and meanwhile, the first bolts, the second bolts and the hole walls of the first mounting holes and the second mounting holes are bonded through synthetic resin mortar, so that the first bolts and the second bolts are firmly mounted on the bridge pier body and form a whole through the bridge pier body, and the effect of improving the bearing capacity of the device is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bridge maintenance, in particular to a combined pier ladder. Background Art

[0002] The bridge pier is a substructure that supports the span structure and transmits the dead load and vehicle live load to the foundation. The bridge abutment is located on both sides of the bridge. The bridge pier is between the two abutments. The function of the bridge pier is to support the span structure. The bridge pier needs to be regularly inspected after long-term use. Usually, a ladder is installed on one side of the bridge pier for climbing and maintenance.

[0003] Existing ladders are often installed directly on bridge piers and cannot be stored. They may be climbed by other unrelated personnel, which may easily cause falls and pose a great risk to personnel life safety.

[0004] For this purpose, we proposed a combined pier ladder. Utility Model Content

[0005] The utility model provides a combined bridge pier climbing ladder.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined pier ladder, comprising a pier body, wherein the top and the middle of the front of the pier body are provided with first mounting holes, a first ladder assembly is fixedly mounted inside the first mounting hole by a first bolt, a second mounting hole is provided at the bottom of the front of the pier body, a rising assembly is fixedly connected inside the second mounting hole by a second bolt, and the first mounting hole and the second mounting hole are both filled with synthetic resin mortar;

[0007] The first ladder assembly includes a first climbing rod, and first convex plates are fixedly connected to both sides of the surface of the first climbing rod, and first threaded holes compatible with first bolts are provided on both sides of the front of the first convex plate. The bottom of the first climbing rod is fixedly connected to a bottom plate, and a T-shaped groove is provided on one side of the bottom plate. The second ladder assembly is slidably connected inside the T-shaped groove.

[0008] Preferably, the lifting component includes a second convex plate and a servo motor, the output end of the servo motor is splined with a transmission rod, the top of the transmission rod is fixedly connected with a screw rod, both sides of the servo motor are fixedly connected with connecting plates, the other side of the connecting plate is fixedly connected to the inner side wall of the second convex plate, a through hole is opened on one side of the top of the second convex plate, and the top of the screw rod is rotatably connected to one side of the bottom of the bottom plate by installing a bearing; the servo motor drives the screw rod to rotate, and then the rotation of the screw rod drives the lifting rod to rise, and then the lifting rod rises while driving the second climbing rod to rise.

[0009] Preferably, the second ladder assembly includes a second climbing rod, the bottom of the second climbing rod is inserted into the inside of the through hole, a limiting hole is provided at the bottom of the front side of the second climbing rod, a limiting bolt is provided inside the limiting hole, a T-shaped slide plate matched with the T-shaped slide groove is fixedly connected to the top of one side of the second climbing rod, a lifting rod is fixedly connected to the bottom of one side of the second climbing rod, a screw hole matched with the screw rod is provided on the surface of the lifting rod; when the T-shaped slide plate cooperates with the T-shaped slide groove, the screw rod rotates to drive the lifting rod to rise, and then the lifting rod rises while driving the second climbing rod to rise, thereby raising the second climbing rod for storage to prevent irrelevant personnel from climbing.

[0010] Preferably, second threaded holes compatible with the second bolts are provided on both sides of the front side of the second convex plate, and a through hole is provided on the front side of the second convex plate; a limit bolt is passed through the through hole to fix the second climbing pole to avoid shaking during climbing.

[0011] Preferably, both sides of the middle part of the top of the second convex plate are provided with sliding grooves, and the insides of the two sliding grooves are slidably connected with cover plates; the servo motor is shielded by opening and closing the cover plates on both sides to prevent debris from falling from above and hitting the servo motor, thereby affecting the operation of the servo motor.

[0012] Preferably, a groove matching the screw rod is opened in the middle part of one side of the two cover plates, and an arc groove matching the second climbing rod is opened on one side of the front side of the two cover plates; through the arc groove and the groove, the two cover plates can be relatively fitted with the screw rod and the second climbing rod, thereby increasing the protection of the servo motor.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is provided with a first bolt, a second bolt and a lifting assembly. When in use, a servo motor drives the screw rod to rotate, and then the screw rod rotates to drive the lifting rod to rise. Then, the lifting rod rises and drives the second climbing rod to rise, thereby raising and storing the second climbing rod, thereby avoiding the risk of falling caused by unrelated climbing personnel. At the same time, the first bolt and the second bolt and the first mounting hole and the second mounting hole wall are bonded by synthetic resin mortar, so that the first bolt and the second bolt are firmly installed on the pier body and are formed into a whole by the pier body, thereby enhancing the bearing capacity of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall split structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the folding structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the rising component of the utility model.

[0019] In the figure: 1. pier body; 2. first bolt; 3. first ladder assembly; 301. first climbing pole; 302. first convex plate; 303. bottom plate; 4. second bolt; 5. rising assembly; 501. second convex plate; 502. servo motor; 503. transmission rod; 504. screw rod; 505. connecting plate; 6. second ladder assembly; 601. second climbing pole; 602. limit bolt; 603. T-shaped slide plate; 604. lifting rod; 7. cover plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 In the figure, a combined bridge pier ladder comprises a bridge pier body 1, a first mounting hole is opened at the top and the middle of the front of the bridge pier body 1, a first ladder assembly 3 is fixedly installed inside the first mounting hole by a first bolt 2, a second mounting hole is opened at the bottom of the front of the bridge pier body 1, a rising assembly 5 is fixedly connected inside the second mounting hole by a second bolt 4, and the insides of the first mounting hole and the second mounting hole are filled with synthetic resin mortar;

[0023] The first ladder assembly 3 includes a first climbing rod 301, and first convex plates 302 are fixedly connected on both sides of the surface of the first climbing rod 301. First threaded holes compatible with the first bolts 2 are provided on both sides of the front of the first convex plate 302. The bottom of the first climbing rod 301 is fixedly connected to a bottom plate 303, and a T-shaped groove is provided on one side of the bottom plate 303. The second ladder assembly 6 is slidably connected inside the T-shaped groove.

[0024] In the present embodiment: firstly, synthetic resin mortar is filled into the first mounting hole and the second mounting hole, and then the first bolt 2 and the second bolt 4 are screwed into the first mounting hole and the second mounting hole respectively, and the first convex plate 302 and the second convex plate 501 are fixed to the pier body 1, and then the first climbing rod 301 and the second climbing rod 601 are installed on the pier body 1, and then when the ladder is finished using, the servo motor 502 drives the screw rod 504 to rotate, and then the screw rod 504 rotates to drive the lifting rod 604 to rise, and then the lifting rod 604 rises and drives the second climbing rod 601 to rise, so that the second climbing rod 601 is raised and stored, so as to avoid the risk of falling caused by unrelated personnel climbing.

[0025] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 In the figure, the second ladder assembly 6 includes a second climbing rod 601, the bottom of the second climbing rod 601 is inserted into the inside of the through hole, a limiting hole is opened at the bottom of the front side of the second climbing rod 601, and a limiting bolt 602 is opened inside the limiting hole. A T-shaped slide plate 603 compatible with the T-shaped slide groove is fixedly connected to the top of one side of the second climbing rod 601, and a lifting rod 604 is fixedly connected to the bottom of one side of the second climbing rod 601. A screw hole compatible with the screw rod 504 is opened on the surface of the lifting rod 604.

[0026] In this embodiment: with the cooperation of the T-shaped slide plate 603 and the T-shaped slide groove, the screw rod 504 rotates to drive the lifting rod 604 to rise, and then the lifting rod 604 rises while driving the second climbing rod 601 to rise, thereby raising the second climbing rod 601 to be stored to prevent unauthorized personnel from climbing.

[0027] Example 2

[0028] See also Figure 1 and Figure 4 The present embodiment further explains Example 1. In the figure, the rising component 5 includes a second convex plate 501 and a servo motor 502. The output end of the servo motor 502 is splined with a transmission rod 503. The top of the transmission rod 503 is fixedly connected with a screw rod 504. Both sides of the servo motor 502 are fixedly connected with connecting plates 505. The other side of the connecting plate 505 is fixedly connected to the inner wall of the second convex plate 501. A through hole is opened on one side of the top of the second convex plate 501. The top of the screw rod 504 is rotatably connected to one side of the bottom of the bottom plate 303 by installing a bearing.

[0029] In this embodiment: the servo motor 502 drives the screw rod 504 to rotate, and then the screw rod 504 rotates to drive the lifting rod 604 to rise, and then the lifting rod 604 rises and drives the second climbing rod 601 to rise.

[0030] See also Figure 1 and Figure 2 In the figure, both sides of the middle of the top of the second convex plate 501 are provided with sliding grooves, and the insides of the two sliding grooves are slidably connected with the cover plate 7.

[0031] In this embodiment, the servo motor 502 is shielded by opening and closing the cover plates 7 on both sides to prevent debris from falling from above and hitting the servo motor 502, thereby affecting the operation of the servo motor 502.

[0032] See also Figure 1 and Figure 2 In the figure, a groove matching with the screw rod 504 is opened in the middle of one side of the two cover plates 7, and an arc groove matching with the second climbing rod 601 is opened on one side of the front side of the two cover plates 7.

[0033] In this embodiment, the arc grooves and the grooves can make the two cover plates 7 fit relatively with the screw rod 504 and the second climbing rod 601, thereby increasing the protection of the servo motor 502.

[0034] Example 3

[0035] See also Figure 1 In the figure, second threaded holes matching with the second bolts 4 are provided on both sides of the front side of the second convex plate 501, and a through hole is provided on the front side of the second convex plate 501.

[0036] In this embodiment: the limiting bolt 602 passes through the penetration hole, thereby fixing and limiting the second climbing pole 601 to avoid shaking during climbing.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be understood 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 the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined pier ladder, characterized by: The pier body (1) comprises a bridge pier body, wherein the top and middle of the front side of the bridge pier body (1) are provided with first mounting holes, a first ladder assembly (3) is fixedly mounted inside the first mounting hole via a first bolt (2), a second mounting hole is provided at the bottom of the front side of the bridge pier body (1), a rising assembly (5) is fixedly connected inside the second mounting hole via a second bolt (4), and the insides of the first mounting hole and the second mounting hole are both filled with synthetic resin mortar; The first ladder assembly (3) comprises a first climbing rod (301), both sides of the surface of the first climbing rod (301) are fixedly connected with first convex plates (302), both sides of the front side of the first convex plate (302) are provided with first threaded holes compatible with the first bolts (2), the bottom of the first climbing rod (301) is fixedly connected with a bottom plate (303), one side of the bottom plate (303) is provided with a T-shaped groove, and the inside of the T-shaped groove is slidably connected with the second ladder assembly (6).

2. The combined pier ladder according to claim 1 is characterized in that: The lifting component (5) comprises a second convex plate (501) and a servo motor (502), the output end of the servo motor (502) is spline-connected with a transmission rod (503), the top of the transmission rod (503) is fixedly connected with a lead screw (504), both sides of the servo motor (502) are fixedly connected with connecting plates (505), the other side of the connecting plate (505) is fixedly connected to the inner side wall of the second convex plate (501), a through hole is opened on one side of the top of the second convex plate (501), and the top of the lead screw (504) is rotatably connected to one side of the bottom of the bottom plate (303) by installing a bearing.

3. The combined pier ladder according to claim 1 is characterized in that: The second climbing ladder assembly (6) includes a second climbing rod (601), the bottom of which is inserted into the through hole, a limiting hole is provided at the bottom of the front side of the second climbing rod (601), a limiting bolt (602) is provided inside the limiting hole, a T-shaped slide plate (603) adapted to the T-shaped slide groove is fixedly connected to the top of one side of the second climbing rod (601), a lifting rod (604) is fixedly connected to the bottom of one side of the second climbing rod (601), and a screw hole adapted to the screw rod (504) is provided on the surface of the lifting rod (604).

4. The combined pier ladder according to claim 2 is characterized in that: Second threaded holes matched with the second bolts (4) are provided on both sides of the front side of the second convex plate (501), and a through hole is provided on the front side of the second convex plate (501).

5. The combined pier ladder according to claim 2 is characterized in that: Slide grooves are provided on both sides of the middle portion of the top of the second convex plate (501), and cover plates (7) are slidably connected inside the two slide grooves.

6. The combined pier ladder according to claim 5, characterized in that: A groove matching the screw rod (504) is provided in the middle of one side of the two cover plates (7), and an arc groove matching the second climbing rod (601) is provided on one side of the front side of the two cover plates (7).