High-speed rail bridge maintenance and detection device

Abstract

The utility model discloses a high-speed railway bridge maintenance and detection device, which belongs to the technical field of high-speed railway bridge detection and comprises a mounting frame, a first protection mechanism is arranged on one side of the mounting frame, a second protection mechanism is arranged on one side of the first protection mechanism, and the first protection mechanism comprises a fixing plate fixedly connected to one side of the bottom of the mounting frame. And the second protection mechanism comprises an extension plate, the extension plate is slidably connected to the top of the fixing plate, an auxiliary mechanism is arranged between the extension plate and the fixing plate, and the auxiliary mechanism comprises two sets of supporting assemblies and pressing assemblies which are symmetrically arranged front and back. The device has the beneficial effects that the auxiliary mechanism is arranged and comprises a supporting assembly and a pressing assembly, the supporting assembly is arranged between the fixing plate and the extension plate and used for supporting the extension plate, and the pressing assembly is arranged in the fixing plate and used for providing downward pressing force for the end, away from the extending end, of the extension plate; and through the arrangement of the supporting assembly and the pressing assembly, the stability and safety when the extension plate extends out are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high - speed railway bridge detection, in particular to a high - speed railway bridge maintenance detection device. Background Art

[0002] A high - speed railway bridge refers to a bridge structure used to span various obstacles such as rivers, roads, canyons or other railway lines during the construction of high - speed railways. These bridges are usually designed to withstand the high speed and weight of high - speed trains, and at the same time, durability, maintenance cost and appearance design also need to be considered. High - speed railway bridges need to be regularly maintained during use.

[0003] After retrieval, the Chinese patent publication number is CN217078416U, which discloses a high - speed railway bridge maintenance detection device. Through the design of the first bracket and the second bracket, the power supply of the rotating motor is started, the motor shaft of the rotating motor drives the adjusting rod to rotate, the adjusting rod is in threaded cooperation with the second bracket, and the guide rod and the guide hole guide the movement of the second bracket. The second bracket is adjusted to a suitable position corresponding to the bridge width, and the first guide wheel on the second bracket corresponds to the bridge, which is convenient for adjusting according to the bridge width and improves the practicability; through the design of the extension plate, when it is inconvenient to operate in some positions, the power supply of the extension motor is started, the motor shaft of the extension motor drives the extension shaft to rotate, the extension shaft is in threaded cooperation with the sliding plate, and the extension plate with the sliding plate slides relative to the through - slot, thereby realizing the extension of the extension plate, which is convenient for the operator to operate. When encountering the bridge foundation during movement, the extension plate is retracted, which is convenient for the overall movement of the device and avoids re - disassembly and assembly.

[0004] However, in the above - mentioned patent, as the extension plate gradually extends, a part of the extended extension plate lacks support, is prone to deformation, and has poor stability. Summary of the Utility Model

[0005] The purpose of the present utility model is to provide a high - speed railway bridge maintenance detection device to solve the above problems.

[0006] The present utility model realizes the above purpose through the following technical solutions:

[0007] A high - speed railway bridge maintenance detection device includes a mounting frame. A first protection mechanism is arranged on one side of the mounting frame, and a second protection mechanism is arranged on one side of the first protection mechanism. The first protection mechanism includes a fixing plate fixedly connected to one side of the bottom of the mounting frame. The second protection mechanism includes an extension plate which is slidably connected to the top of the fixing plate. An auxiliary mechanism is arranged between the extension plate and the fixing plate. The auxiliary mechanism includes two sets of symmetrically arranged front - and - rear support components and pressing components. The support components are arranged between the side wall of the fixing plate and the bottom of the extension plate, and the pressing components are arranged in the fixing plate. The pressing components are used to provide a downward pressing force on the non - extended end of the extension plate.

[0008] Preferably, the support assembly includes a vertical plate fixedly connected to the side of the fixed plate away from the mounting frame. A chute is formed on the other side of the vertical plate. A sliding seat is slidably connected in the chute. A fixed seat is fixedly connected to the bottom of the end of the extension plate away from the mounting frame. A support rod is hinged between the sliding seat and the fixed seat.

[0009] Preferably, the pressing assembly includes a movable rod which is L-shaped. An installation groove is formed inside the fixed plate. The movable rod is slidably connected to the bottom of the installation groove. A first wedge-shaped block is fixedly connected to the top of the movable rod. A second wedge-shaped block is slidably connected up and down in the installation groove. A spring is connected between the second wedge-shaped block and the top wall of the installation groove.

[0010] Preferably, a first guardrail is fixedly connected to the four peripheries of the top of the fixed plate.

[0011] Preferably, the second protection mechanism further includes a rotary motor fixedly connected to one side of the mounting frame. The output end of the rotary motor is connected with a lead screw through a coupling. A chute is formed on the top of the fixed plate. The lead screw is rotatably connected in the chute. A slider is threadedly connected to the lead screw. The slider is slidably connected in the chute. The extension plate is fixedly connected to the top of the slider. A second guardrail is fixedly connected to the four peripheries of the top of the extension plate.

[0012] Preferably, a lifting ring is fixedly connected to the top of the mounting frame.

[0013] The beneficial effects are as follows: An auxiliary mechanism is provided. The auxiliary mechanism includes a support assembly and a pressing assembly. The support assembly is arranged between the fixed plate and the extension plate and is used to support the extension plate. The pressing assembly is arranged inside the fixed plate and is used to provide a downward pressing force for the end of the extension plate away from the extending end. Through the arrangement of the support assembly and the pressing assembly, the stability and safety of the extension plate during extension are improved.

[0014] The additional technical features and their advantages of the present utility model will be more clearly described in the following description content, or can be understood through the specific practice of the present utility model. Description of the Drawings

[0015] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the following specific implementation manners, they are used to explain the present utility model, but do not constitute a limitation to the present utility model. In the drawings:

[0016] Figure 1 is a schematic diagram of a high-speed rail bridge maintenance and detection device according to the present utility model;

[0017] Figure 2 is a front view of a high-speed rail bridge maintenance and detection device according to the present utility model;

[0018] Figure 3It is the upper view of the fixed plate of a high - speed railway bridge maintenance and inspection device described in the present utility model;

[0019] Figure 4 It is the front view of the internal structure of the fixed plate of a high - speed railway bridge maintenance and inspection device described in the present utility model;

[0020] Figure 5 It is the enlarged view of part A of a high - speed railway bridge maintenance and inspection device described in the present utility model.

[0021] The description of the reference numerals is as follows: 1, mounting frame; 101, lifting ring; 201, fixed plate; 202, first guardrail; 301, rotating motor; 302, lead screw; 303, slider; 304, extension plate; 305, second guardrail; 401, vertical plate; 402, sliding seat; 403, fixed seat; 404, support rod; 501, movable rod; 502, first wedge block; 503, second wedge block; 504, spring. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0024] The present utility model will be further described below with reference to the accompanying drawings:

[0025] As Figures 1 - 5 shown, a high - speed railway bridge maintenance and inspection device includes a mounting frame 1. A lifting ring 101 is threadedly connected to the top of the mounting frame 1. A first protection mechanism is provided on one side of the mounting frame 1. The first protection mechanism includes a fixed plate 201 bolted to one side of the bottom of the mounting frame 1, and first guardrails 202 are fixedly connected to the four - week top of the fixed plate 201.

[0026] On one side of the first protection mechanism, a second protection mechanism is provided. The second protection mechanism includes a rotary motor 301 bolted to one side of the mounting frame 1. The output end of the rotary motor 301 is connected to a lead screw 302 through a coupling. A chute is opened at the top of the fixed plate 201. The lead screw 302 is rotatably connected in the chute. A slider 303 is threadedly connected to the lead screw 302. The slider 303 is slidably connected in the chute. The top of the slider 303 is fixedly connected to an extension plate 304. The periphery of the top of the extension plate 304 is fixedly connected to a second guardrail 305. When the rotary motor 301 is started, the rotary motor 301 drives the lead screw 302 to rotate, and the lead screw 302 drives the slider 303 to drive the extension plate 304 to move away from the mounting frame 1, facilitating the expansion of the detection range.

[0027] An auxiliary mechanism is provided between the extension plate 304 and the fixed plate 201. The auxiliary mechanism includes two sets of support components and pressing components symmetrically arranged front and back. The support components are arranged between the side wall of the fixed plate 201 and the bottom of the extension plate 304. The support component includes a vertical plate 401 bolted to the side of the fixed plate 201 away from the mounting frame 1. A chute is opened on the other side of the vertical plate 401. A sliding seat 402 is slidably connected in the chute. A fixed seat 403 is bolted to the bottom of the end of the extension plate 304 away from the mounting frame 1. A support rod 404 is hinged between the sliding seat 402 and the fixed seat 403. When the extension plate 304 extends, the sliding seat 402 moves upward along the vertical plate 401. When the extension plate 304 contracts, the sliding seat 402 moves downward along the vertical plate 401. The support rod 404 will also change the inclination angle as the sliding seat 402 slides, without affecting the extension and contraction of the extension plate 304.

[0028] The pressing component is arranged inside the fixed plate 201. The pressing component is used to provide a downward pressing force on the end of the extension plate 304 that has not extended. The pressing component includes a movable rod 501. The movable rod 501 is L-shaped. An installation groove is opened inside the fixed plate 201. The movable rod 501 is slidably connected to the bottom of the installation groove. The top of the movable rod 501 is fixedly connected to a first wedge block 502. A second wedge block 503 slides up and down in the installation groove. A spring 504 is connected between the second wedge block 503 and the top wall of the installation groove. When the extension plate 304 moves, it will drive the movable rod 501 to move. The movable rod 501 drives the first wedge block 502 to move. After the extension plate 304 extends a certain length, the first wedge block 502 abuts against the second wedge block 503. The second wedge block 503 gradually moves upward under the extrusion of the first wedge block 502, and the spring 504 is compressed. The pressure of the spring 504 is used to provide a downward pressing force for the first wedge block 502, thereby indirectly providing a downward pressing force for the end of the extension plate 304 away from the extended end, improving the stability of the extension plate 304.

[0029] Working principle: When in use, through an external driving device, such as a crane, etc., the mounting frame 1 is hoisted through the lifting ring 101, and the mounting frame 1 is lowered below the high-speed rail bridge. The inspection personnel stand on the fixed plate 201 to inspect the high-speed rail bridge. When it is necessary to extend the extension plate 304, the rotation motor 301 is started. The rotation motor 301 drives the lead screw 302 to rotate. The lead screw 302 drives the slider 303 to drive the extension plate 304 to move away from the mounting frame 1. When the extension plate 304 moves, it will drive the movable rod 501 to move. The movable rod 501 drives the first wedge block 502 to move. After the extension plate 304 extends a certain length, the first wedge block 502 abuts against the second wedge block 503. The second wedge block 503 gradually moves upward under the extrusion of the first wedge block 502, and the spring 504 is compressed. The elastic force of the spring 504 is used to provide a downward pressing force for the first wedge block 502, thereby indirectly providing a downward pressing force for the end of the extension plate 304 that has not extended. When the extension plate 304 extends, it will drive one end of the support rod 404 to move, so that the other end of the support rod 404 drives the sliding seat 402 to move upward, and the extended part of the extension plate 304 is supported by the support rod 404, improving the stability and safety when the extension plate 304 extends.

[0030] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A maintenance inspection device for high - speed railway bridges, comprising a mounting frame (1). A first protection mechanism is arranged on one side of the mounting frame (1), and a second protection mechanism is arranged on one side of the first protection mechanism. The first protection mechanism includes a fixing plate (201) fixedly connected to one side of the bottom of the mounting frame (1). The second protection mechanism includes an extension plate (304), and the extension plate (304) is slidably connected to the top of the fixing plate (201), characterized in that: An auxiliary mechanism is provided between the extension plate (304) and the fixed plate (201). The auxiliary mechanism includes two sets of support components and pressing components that are symmetrically arranged front and back. The support components are arranged between the side wall of the fixed plate (201) and the bottom of the extension plate (304), and the pressing components are arranged inside the fixed plate (201). The pressing components are used to provide a downward pressing force on the end of the extension plate (304) that does not extend out.

2. The maintenance and inspection device for high-speed railway bridges according to claim 1, wherein: The support component includes a vertical plate (401) fixedly connected to the side of the fixed plate (201) away from the mounting bracket (1). A chute is formed on the other side of the vertical plate (401), and a sliding seat (402) is slidably connected in the chute. A fixed seat (403) is fixedly connected to the bottom of the end of the extension plate (304) away from the mounting bracket (1). A support rod (404) is hinged between the sliding seat (402) and the fixed seat (403).

3. The maintenance and inspection device for high-speed railway bridges according to claim 1, wherein: The pressing component includes a movable rod (501). The movable rod (501) is L-shaped. An installation groove is formed inside the fixed plate (201), and the movable rod (501) is slidably connected to the bottom of the installation groove. A first wedge block (502) is fixedly connected to the top of the movable rod (501). A second wedge block (503) is slidably connected up and down in the installation groove, and a spring (504) is connected between the second wedge block (503) and the top wall of the installation groove.

4. A high-speed rail bridge maintenance and inspection device according to claim 1, characterized in that: A first guardrail (202) is fixedly connected to the periphery of the top of the fixed plate (201).

5. The maintenance and inspection device for high-speed railway bridges according to claim 1, characterized in that: The second protection mechanism further includes a rotary motor (301) fixedly connected to one side of the mounting bracket (1). The output end of the rotary motor (301) is connected to a lead screw (302) through a coupling. A chute is formed on the top of the fixed plate (201), and the lead screw (302) is rotatably connected in the chute. A slider (303) is threadedly connected to the lead screw (302), and the slider (303) is slidably connected in the chute. The extension plate (304) is fixedly connected to the top of the slider (303). A second guardrail (305) is fixedly connected to the periphery of the top of the extension plate (304).

6. The maintenance and inspection device for high-speed railway bridges according to claim 1, characterized in that: A lifting ring (101) is fixedly connected to the top of the mounting bracket (1).

Images