A bridge maintenance and reinforcement construction protection system and protection method thereof

By providing a bridge repair and reinforcement construction protection system including bearing plates, connecting components and maintenance mechanisms, the problem of complex, time-consuming and weather-affected bridge repair and reinforcement construction methods in the prior art is solved, and the effect of rapid construction, stable operation platform and efficient maintenance is achieved.

CN119754186AInactive Publication Date: 2025-04-04JIANGSU BOXIANG STRUCTURAL REINFORCEMENT ENG CO LTD
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Patent Information

Application Number
CN202510169412.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-04-04
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing bridge maintenance and reinforcement construction methods are complex and time-consuming, occupying a large space, which is not conducive to rapid response to emergency maintenance tasks. The hanging basket and hanging basket are limited by weather conditions and cannot provide a stable operating platform, which increases the operation difficulty and risks of maintenance personnel.

Method used

Provide a bridge repair and reinforcement construction protection system, including two bearing plates, connecting components and maintenance mechanisms. The maintenance mechanism consists of lifting components and angle components. By driving the motor and controlling the motor, the lifting and circular movement of the maintenance table is realized, providing a stable working platform.

Benefits of technology

The system can be quickly built and is not easily affected by the weather, reducing the operation difficulty and risks of maintenance personnel, and improving the accuracy and efficiency of maintenance.

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Abstract

The present application provides a bridge repair and reinforcement construction protection system and a protection method thereof, which relates to the field of bridge construction. The system comprises: two receiving plates, each receiving plate is provided with a clearance groove, a connecting component is provided between the two receiving plates, and a maintenance mechanism is provided between the two receiving plates. The present application has the effect of not taking up too much space and time.
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Description

Technical Field

[0001] The present application relates to the field of bridge construction, and in particular to a bridge repair and reinforcement construction protection system and a protection method thereof. Background Art

[0002] Bridge maintenance and reinforcement is an important part of ensuring the safe operation of transportation infrastructure. With the acceleration of urbanization, more and more old bridges need regular maintenance and reinforcement to extend their service life and improve safety.

[0003] In the existing bridge maintenance and reinforcement construction, the commonly used methods include building scaffolding, using simple facilities such as hanging baskets or hanging baskets to support maintenance personnel and equipment. Although these methods can basically meet the maintenance needs, there are still many shortcomings in practical applications; for example, scaffolding is complex and time-consuming to build, occupies a lot of space, and is not conducive to rapid response to emergency maintenance tasks; while hanging baskets and hanging baskets are greatly restricted by weather conditions and cannot provide a stable working platform, which increases the difficulty and risk of maintenance personnel. Summary of the invention

[0004] In order to improve the problems existing in the above-mentioned technologies, the present application provides a bridge maintenance and reinforcement construction protection system and a protection method thereof.

[0005] In the first aspect, the present application provides a bridge repair and reinforcement construction protection system, which adopts the following technical solutions: A bridge maintenance and reinforcement construction protection system comprises: two receiving plates, each receiving plate is provided with a clearance groove, a connecting component is provided between the two receiving plates, and a maintenance mechanism is provided between the two receiving plates; The maintenance mechanism comprises: a lifting assembly and an angle assembly, wherein the angle assembly is arranged between the two receiving plates, and the lifting assembly is arranged on the angle assembly.

[0006] By adopting the above technical solution, the maintenance organization does not need to take up too much time and space for construction, and is not easily affected by the weather, thereby not increasing the operational difficulty and risk for maintenance personnel.

[0007] Optionally, the angle assembly includes: an angle part and a driving part, the angle part includes: a slide plate, a semi-ring plate and a semi-ring rack, a connecting groove is provided on the receiving plate, the semi-ring plate is arranged in the connecting groove, and the semi-ring rack is fixed to the semi-ring plate, a sliding groove is provided on the inner wall of the connecting groove, the slide plate is arranged in the sliding groove and is fixedly connected to the semi-ring plate, and the driving part is arranged on any of the receiving plates.

[0008] By adopting the above technical solution, when the two receiving plates are spliced ​​together, the two semi-ring plates are in a full circle shape and can make circular motion in the connecting groove.

[0009] Optionally, the driving part includes: a driving rod, a driving gear and a driving motor, the inner wall of the connecting groove is provided with a driving groove, and the driving rod is rotatably installed in the driving groove, the driving gear is coaxially sleeved on the driving rod, the driving gear is meshed with the semi-ring gear, the driving motor is installed on the supporting plate, and the output shaft of the driving motor is coaxially fixed to the driving rod.

[0010] By adopting the above technical solution, during maintenance, the drive motor is started to drive the drive rod to drive the drive gear to rotate, so that the semi-ring rack can drive the semi-ring plate to move in a circular motion in the connecting groove, so that maintenance personnel can move around the bridge pier for more precise maintenance.

[0011] Optionally, the lifting assembly includes: a control part and a lifting part, the control part includes: a control box, fixing bolts and a control motor, the control box is installed on any of the semi-ring plates through the fixing bolts, the control motor is arranged in the control box, and the lifting part is arranged on the control box.

[0012] By adopting the above technical solution, the control motor is used to drive the lifting part to move up and down.

[0013] Optionally, the lifting part includes: a screw rod, a guide rod, a maintenance platform and a fence, the screw rod is rotatably installed on the control box, and the output shaft of the control motor is coaxially fixed with the screw rod, the guide rod is fixed on the control box, the maintenance platform is threadedly sleeved on the screw rod and slidably sleeved on the guide rod, and the fence is fixed on the maintenance platform.

[0014] By adopting the above technical solution, during maintenance, the control motor is started to drive the screw to rotate, and under the limit of the guide rod, the maintenance platform can be raised and lowered in the vertical direction, so that the maintenance personnel can be sent to the specified height for maintenance.

[0015] Optionally, the lifting assembly further includes: an interlocking part and a protective part, the interlocking part includes: a rotating rod and an interlocking gear, the interlocking gear is rotatably installed on the maintenance platform via the rotating rod, an interlocking tooth groove is provided on the guide rod, and the interlocking gear is meshed in the interlocking tooth groove, and the protective part is arranged between the rotating rod and the maintenance platform.

[0016] By adopting the above technical solution, the guide rod is clamped by using the interlocking gears to prevent the maintenance platform from falling due to the sudden loosening of the connection between the maintenance platform and the screw rod.

[0017] Optionally, the protective part includes: a ratchet, a pawl, a fixed plate, a slider and a stabilizing spring, the ratchet is coaxially sleeved on the rotating rod, the slider is slidably installed on the maintenance table, the fixed plate is fixed on the maintenance table, and the stabilizing spring is fixed between the fixed plate and the slider, the pawl is rotatably installed on the slider, and the pawl cooperates with the ratchet.

[0018] By adopting the above technical solution, when the maintenance platform needs to be lowered, if the pawl is not separated from the ratchet wheel, the rotating rod cannot rotate, so that the interlocking gears are always clamped in the interlocking tooth grooves, so that the maintenance platform is not easy to fall suddenly.

[0019] Optionally, the connecting assembly includes: a connecting rod, a locking rod and a locking spring, a connecting hole is provided on any of the connecting plates, and a locking hole is provided through the inner wall of the connecting hole, one end of the connecting rod is fixed to the connecting plate where the connecting hole is not provided, and the other end is provided in the connecting hole, an accommodating hole is provided on the connecting rod, one end of the locking rod is provided in the accommodating hole, and the other end is provided in the locking hole, and the locking spring is fixed between the locking rod and the bottom of the accommodating hole.

[0020] By adopting the above technical solution, during splicing, the locking rod is first pressed completely into the receiving hole; then, the connecting rod is inserted into the connecting hole; until the locking hole and the receiving hole are aligned, the locking spring will push the locking rod into the locking hole, thereby completing the locking and fixation of the connecting rod.

[0021] Optionally, the angle portion further includes: a rolling ball, a plurality of ball grooves are formed on the inner wall of the slide groove, an annular groove is formed on the slide plate, and the rolling ball is arranged between the ball groove and the annular groove.

[0022] By adopting the above technical solution, the rolling ball can reduce the friction force encountered by the skateboard when it slides, so that the skateboard slides more smoothly.

[0023] In the second aspect, the present application provides a protection method for a bridge repair and reinforcement construction protection system, which adopts the following technical solution: A protection method for a bridge maintenance and reinforcement construction protection system comprises the following steps: S1: Place two receiving plates on both sides of the bridge pier and splice them so that the bridge pier is located in the clearance grooves of the two receiving plates; S2: The maintenance personnel stands on the maintenance platform; S3: Start the control motor to drive the screw to rotate, so that the maintenance platform carrying the maintenance personnel rises to a specified height for maintenance; S4: If there is an angle requirement, the drive motor can be started to drive the two half-ring plates to rotate, so that the maintenance platform can rotate along the circumferential direction of the pier to meet maintenance requirements.

[0024] By adopting the above technical solution, the accuracy of maintenance can be improved.

[0025] In summary, the present application includes at least one of the following beneficial effects: 1. The maintenance organization does not need to take up too much time and space to set up, and is not easily affected by the weather, thus not increasing the difficulty and risk of maintenance personnel's operations.

[0026] 2. During maintenance, start the control motor to drive the screw to rotate, and under the limit of the guide rod, the maintenance platform can be raised and lowered in the vertical direction, so that the maintenance personnel can be sent to the specified height for maintenance.

[0027] 3. The rolling ball can reduce the friction when the skateboard slides, making the skateboard slide more smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic diagram of the structure according to an embodiment of the present application; Figure 2 yes Figure 1 A schematic top view of Figure 3 is along Figure 2 A schematic cross-sectional view taken along the cutting line AA in FIG. Figure 4 is along Figure 2 A schematic cross-sectional view taken along the cutting line BB in FIG. Figure 5 yes Figure 4 A schematic partial enlarged view of section C; Figure 6 yes Figure 1 Schematic partial enlarged view of part D in the figure.

[0029] In the figure: 1, receiving plate; 11, connecting hole; 12, locking hole; 14, connecting groove; 15, sliding groove; 16, driving groove; 17, ball groove; 2, connecting assembly; 21, connecting rod; 211, receiving hole; 22, locking rod; 23, locking spring; 3, angle part; 31, sliding plate; 311, ring groove; 32, semi-ring plate; 33, semi-ring rack; 34, rolling ball; 4, driving part; 41, driving rod; 42, Driving gear; 43, driving motor; 5, control part; 51, control box; 52, fixing bolt; 53, control motor; 6, lifting part; 61, screw rod; 62, guide rod; 621, mutual locking tooth groove; 63, maintenance platform; 64, fence; 7, mutual locking part; 71, rotating rod; 72, mutual locking gear; 8, protection part; 81, ratchet; 82, pawl; 83, fixing plate; 83, slider; 84, stabilizing spring. DETAILED DESCRIPTION

[0030] The present application provides a bridge repair and reinforcement construction protection system.

[0031] See also Figure 1 A bridge maintenance and reinforcement construction protection system includes: two receiving plates 1, and a semicircular clearance groove is opened at one end of the two receiving plates 1 close to each other. When the two receiving plates 1 are spliced, the two semicircular clearance grooves become a full-circular clearance groove for the placement of bridge piers. In the embodiment of the present application, a universal wheel (not shown in the figure) can also be set at the bottom of the receiving plate 1 to facilitate the rapid movement of the receiving plate 1.

[0032] See also Figure 2 and Figure 3 Specifically, a connecting assembly 2 is provided between the two receiving plates 1. In the embodiment of the present application, two connecting assemblies 2 are provided. After the two receiving plates 1 are spliced, the connecting assembly 2 can prevent the two receiving plates 1 from being easily separated. The connecting assembly 2 includes: a connecting rod 21, a locking rod 22 and a locking spring 23. A connecting hole 11 is provided on the side wall of any receiving plate 1; one end of the connecting rod 21 is fixedly connected to the receiving plate 1 without the connecting hole 11, and the other end is provided in the connecting hole 11. When the two receiving plates 1 are spliced, the connecting rod 21 will be inserted into the connecting hole 11, so that the two receiving plates 1 are not easily misaligned.

[0033] See also Figure 3The inner top wall of the connecting hole 11 is provided with a locking hole 12, and the top wall of the connecting rod 21 is provided with a receiving hole 211; one end of the locking rod 22 is arranged in the receiving hole 211, and the other end is arranged in the locking hole 12. The locking spring 23 is fixed between the bottom of the receiving hole 211 and the locking rod 22, and the locking spring 23 is used to push the locking rod 22 to extend out of the receiving hole 211; when splicing, the locking rod 22 is first fully pressed into the receiving hole 211; then, the connecting rod 21 is inserted into the connecting hole 11; until the locking hole 12 is aligned with the receiving hole 211, the locking spring 23 will push the locking rod 22 to be inserted into the locking hole 12, thereby completing the locking and fixing of the connecting rod 21, so that the two receiving plates 1 are not easy to separate, so that the maintenance personnel can perform maintenance for a long time.

[0034] See also Figure 1 Furthermore, a maintenance mechanism is provided between the two receiving plates 1. The maintenance mechanism of the present application does not need to take up too much time and space for construction and is not easily affected by the weather, thereby not easily increasing the operating difficulty and risk of maintenance personnel.

[0035] See also Figure 4 and Figure 5 The maintenance mechanism includes: a lifting assembly and an angle assembly.

[0036] See also Figure 4 and Figure 5 The angle assembly includes: an angle part 3 and a driving part 4. In the embodiment of the present application, two angle parts 3 are provided, and they correspond to the two receiving plates 1 one by one. The angle part 3 includes: a slide plate 31, a semi-ring plate 32 and a semi-ring rack 33. A connecting groove 14 is provided on the top wall of one end of the two receiving plates 1 close to each other, and when the two receiving plates 1 are spliced, the two connecting grooves 14 are in a full circle shape; the semi-ring plate 32 is arranged in the connecting groove 14, and the semi-ring rack 33 is fixed on the top wall of the semi-ring plate 32.

[0037] See also Figure 5 A slide groove 15 is provided on the inner side wall of the connecting groove 14, and the slide grooves 15 on the two receiving plates 1 are spliced ​​to form a full circle; the slide plate 31 is arranged in the slide groove 15, and the slide plate 31 is fixedly connected to the semi-ring plate 32. After splicing, the two semi-ring plates 32 can make a circular motion in the connecting groove 14.

[0038] See also Figure 5Furthermore, the angle portion 3 further includes: a rolling ball 34, a plurality of ball grooves 17 are provided on the inner bottom wall, inner top wall and inner side wall of the slide groove 15, and an annular groove 311 is provided on the bottom wall, top wall and side wall of the slide plate 31; the rolling ball 34 is arranged in the ball groove 17 and the corresponding annular groove 311, and the rolling ball 34 can reduce the friction force on the slide plate 31 when sliding, so that the slide plate 31 slides more smoothly. In the embodiment of the present application, the opening width of the ball groove 17 is smaller than the diameter of the rolling ball 34, so that the rolling ball 34 is not easy to fall out of the ball groove 17.

[0039] See also Figure 4 and Figure 5 The driving part 4 includes: a driving rod 41, a driving gear 42 and a driving motor 43. The inner wall of the connecting groove 14 is provided with a driving groove 16; the driving gear 42 is rotatably installed in the driving groove 16 through the driving rod 41, and the driving gear 42 is meshed with the corresponding semi-ring rack 33.

[0040] See also Figure 4 and Figure 5 The driving motor 43 is installed on the top wall of the receiving plate 1, and the output shaft of the driving motor 43 is coaxially fixed with the driving rod 41. During maintenance, the driving motor 43 is started to drive the driving rod 41 to drive the driving gear 42 to rotate, so that the semi-ring rack 33 can drive the semi-ring plate 32 to make a circular motion in the connecting groove 14, so that the maintenance personnel can move around the bridge pier for more precise maintenance.

[0041] See also Figure 4 and Figure 6 The lifting assembly includes: a control part 5, a lifting part 6, an interlocking part 7 and a protective part 8.

[0042] See also Figure 1 , Figure 4 and Figure 6 The control unit 5 includes: a control box 51, a fixing bolt 52 and a control motor 53. The control box 51 is mounted on the top wall of any semi-ring plate 32 by the fixing bolt 52. After the maintenance is completed, the fixing bolt 52 can be unscrewed to remove the control box 51 from the semi-ring plate 32. The control motor 53 is installed in the control box 51, and the control motor 53 is used to drive the lifting unit 6 to lift.

[0043] See also Figure 6The lifting part 6 includes: a screw rod 61, a guide rod 62, a maintenance platform 63 and a fence 64. The screw rod 61 is vertically rotatably mounted on the control box 51, and the screw rod 61 is coaxially fixed with the output shaft of the control motor 53. The guide rod 62 is vertically fixed on the control box 51; the screw rod 61 and the guide rod 62 both penetrate the maintenance platform 63, and the screw rod 61 and the maintenance platform 63 are threadedly matched, and the guide rod 62 and the maintenance platform 63 are slidably matched; when repairing, the control motor 53 is started to drive the screw rod 61 to rotate, and under the limit of the guide rod 62, the maintenance platform 63 can be lifted and lowered in the vertical direction, so that the maintenance personnel can be sent to the specified height for maintenance.

[0044] See also Figure 6 The fence 64 is fixed on the top wall of the maintenance platform 63 , and the fence 64 is used to protect the maintenance personnel, thereby preventing the maintenance personnel from falling from the maintenance platform 63 .

[0045] See also Figure 6 The interlocking portion 7 includes: a rotating rod 71 and an interlocking gear 72. The interlocking gear 72 is horizontally rotated and installed on the top wall of the maintenance platform 63 through the rotating rod 71; a mutual locking tooth groove 621 is opened on the side of the guide rod 62 close to the mutual locking gear 72, and the mutual locking gear 72 is engaged in the mutual locking tooth groove 621. The mutual locking gear 72 is used to clamp the guide rod 62 to prevent the maintenance platform 63 from falling due to the sudden loosening of the connection between the screw rod 61 and the maintenance platform 63.

[0046] See also Figure 6 The protection part 8 includes: a ratchet 81, a pawl 82, a fixing plate 83, a slider 83 and a stabilizing spring 84. The ratchet 81 is coaxially sleeved on the rotating rod 71. The fixing plate 83 is fixed on the top wall of the maintenance platform 63, and the slider 83 is slidably installed on the top wall of the maintenance platform 63; and the stabilizing spring 84 is fixed between the fixing plate 83 and the slider 83, and the stabilizing spring 84 is used to push the slider 83.

[0047] See also Figure 6 The pawl 82 is rotatably mounted on the slider 83, and the pawl 82 cooperates with the ratchet 81. The cooperation between the ratchet 81 and the pawl 82 can form a one-way limit for the rotating rod 71, that is, when the maintenance platform 63 rises, the rotating rod 71 can rotate; but when the maintenance platform 63 needs to be lowered, if the pawl 82 is not separated from the ratchet 81, the rotating rod 71 cannot rotate, so that the interlocking gear 72 is always clamped in the interlocking tooth groove 621, so that the maintenance platform 63 is not easy to fall suddenly.

[0048] The working principle of a bridge maintenance and reinforcement construction protection system of the present application when in use is as follows: during maintenance, the drive motor 43 is started to drive the drive rod 41 to drive the drive gear 42 to rotate, so that the semi-ring rack 33 can drive the semi-ring plate 32 to make a circular motion in the connecting groove 14, so that maintenance personnel can move around the bridge pier to perform maintenance more accurately.

[0049] The present application also provides a protection method for a bridge repair and reinforcement construction protection system.

[0050] A protection method for a bridge maintenance and reinforcement construction protection system comprises the following steps: S1: placing two receiving plates 1 on both sides of the bridge pier and splicing them so that the bridge pier is located in the clearance grooves of the two receiving plates 1; S2: The maintenance personnel stands on the maintenance platform 63; S3: Start the control motor 53 to drive the screw rod 61 to rotate, so that the maintenance platform 63 carrying the maintenance personnel rises to a specified height for maintenance; S4: If there is an angle requirement, the drive motor 43 can be started to drive the two half-ring plates 32 to rotate, so that the maintenance platform 63 can rotate along the circumferential direction of the pier to meet the maintenance requirements.

[0051] The above are all 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 bridge maintenance and reinforcement construction protection system, characterized in that: include: Two receiving plates (1), each receiving plate (1) being provided with a clearance groove, a connecting component (2) being provided between the two receiving plates (1), and a maintenance mechanism being provided between the two receiving plates (1); The maintenance mechanism comprises: a lifting component and an angle component, wherein the angle component is arranged between the two receiving plates (1), and the lifting component is arranged on the angle component.

2. The bridge repair and reinforcement construction protection system according to claim 1 is characterized in that: The angle assembly comprises: an angle part (3) and a driving part (4); the angle part (3) comprises: a slide plate (31), a semi-ring plate (32) and a semi-ring rack (33); a connecting groove (14) is provided on the receiving plate (1); the semi-ring plate (32) is arranged in the connecting groove (14); and the semi-ring rack (33) is fixed on the semi-ring plate (32); a sliding groove (15) is provided on the inner wall of the connecting groove (14); the slide plate (31) is arranged in the sliding groove (15) and is fixedly connected to the semi-ring plate (32); and the driving part (4) is arranged on any of the receiving plates (1).

3. The bridge repair and reinforcement construction protection system according to claim 2 is characterized in that: The driving part (4) comprises: a driving rod (41), a driving gear (42) and a driving motor (43); the inner wall of the connecting groove (14) is provided with a driving groove (16), and the driving rod (41) is rotatably mounted in the driving groove (16); the driving gear (42) is coaxially sleeved on the driving rod (41), and the driving gear (42) is meshed with the semi-ring gear; the driving motor (43) is mounted on the receiving plate (1), and the output shaft of the driving motor (43) is coaxially fixed to the driving rod (41).

4. The bridge repair and reinforcement construction protection system according to claim 2 is characterized in that: The lifting assembly comprises: a control unit (5) and a lifting unit (6); the control unit (5) comprises: a control box (51), fixing bolts (52) and a control motor (53); the control box (51) is mounted on any of the semi-ring plates (32) via the fixing bolts (52); the control motor (53) is arranged in the control box (51); and the lifting unit (6) is arranged on the control box (51).

5. The bridge repair and reinforcement construction protection system according to claim 4 is characterized in that: The lifting part (6) comprises: a screw rod (61), a guide rod (62), a maintenance platform (63) and a fence (64); the screw rod (61) is rotatably mounted on the control box (51), and the output shaft of the control motor (53) is coaxially fixed with the screw rod (61); the guide rod (62) is fixed on the control box (51); the maintenance platform (63) is threadedly sleeved on the screw rod (61) and slidably sleeved on the guide rod (62); and the fence (64) is fixed on the maintenance platform (63).

6. The bridge repair and reinforcement construction protection system according to claim 5 is characterized in that: The lifting assembly further comprises: an interlocking portion (7) and a protective portion (8); the interlocking portion (7) comprises: a rotating rod (71) and an interlocking gear (72); the interlocking gear (72) is rotatably mounted on the maintenance platform (63) via the rotating rod (71); an interlocking tooth groove (621) is provided on the guide rod (62), and the interlocking gear (72) is meshed in the interlocking tooth groove (621); and the protective portion (8) is arranged between the rotating rod (71) and the maintenance platform (63).

7. The bridge repair and reinforcement construction protection system according to claim 6 is characterized in that: The protection part (8) comprises: a ratchet (81), a pawl (82), a fixing plate (83), a slider (83) and a stabilizing spring (84); the ratchet (81) is coaxially sleeved on the rotating rod (71); the slider (83) is slidably mounted on the maintenance platform (63); the fixing plate (83) is fixed on the maintenance platform (63); the stabilizing spring (84) is fixed between the fixing plate (83) and the slider (83); the pawl (82) is rotatably mounted on the slider (83); and the pawl (82) cooperates with the ratchet (81).

8. The bridge repair and reinforcement construction protection system according to claim 1 is characterized in that: The connecting assembly (2) comprises: a connecting rod (21), a locking rod (22) and a locking spring (23); any of the connecting plates (1) is provided with a connecting hole (11), and the inner wall of the connecting hole (11) is penetrated by a locking hole (12); one end of the connecting rod (21) is fixed to the connecting plate (1) without the connecting hole (11), and the other end is arranged in the connecting hole (11); a receiving hole (211) is provided on the connecting rod (21); one end of the locking rod (22) is arranged in the receiving hole (211), and the other end is arranged in the locking hole (12); the locking spring (23) is fixed between the locking rod (22) and the bottom of the receiving hole (211).

9. The bridge repair and reinforcement construction protection system according to claim 2 is characterized in that: The angle portion (3) further comprises a rolling ball (34); the inner wall of the slide groove (15) is provided with a plurality of ball grooves (17); the slide plate (31) is provided with an annular groove (311); and the rolling ball (34) is arranged between the ball groove (17) and the annular groove (311).

10. The protection method of the bridge repair and reinforcement construction protection system according to any one of claims 1 to 9 is characterized in that: The following steps are involved: S1: placing two receiving plates (1) on both sides of the bridge pier and splicing them so that the bridge pier is located in the clearance grooves of the two receiving plates (1); S2: The maintenance personnel stands on the maintenance platform (63); S3: starting the control motor (53) to drive the screw rod (61) to rotate, so that the maintenance platform (63) carrying the maintenance personnel rises to a specified height for maintenance; S4: If an angle is required, the driving motor (43) can be started to drive the two half-ring plates (32) to rotate, so that the maintenance platform (63) can rotate along the circumferential direction of the pier to meet the maintenance requirements.