Jacking device for repairing bridge support diseases

Abstract

The utility model discloses a jacking device for bridge support disease repair, and relates to the technical field of bridge support repair, the jacking device comprises a bottom plate and a hydraulic cylinder, the hydraulic cylinder is arranged above the bottom plate, side plates are fixedly arranged on the two sides of the upper surface of the bottom plate, a rotating rod is rotatably arranged between the two side plates, and the rotating rod is connected with the hydraulic cylinder. The rod wall of the rotating rod is fixedly sleeved with a rotating block, a mounting plate is fixedly arranged on the upper surface of the rotating block, the bottom of the hydraulic cylinder is fixedly connected with the mounting plate, a top plate is fixedly arranged at the tail end of a piston rod of the hydraulic cylinder, and arc-shaped shells are fixedly arranged on the upper surface of the top plate and located on the two sides of the rotating block; an arc-shaped rod is slidably arranged in the arc-shaped shell, and grooves are formed in the two ends of the mounting plate. According to the device, the jacking direction of the jacking hydraulic cylinder can be adjusted, it is guaranteed that the jacking direction of the hydraulic cylinder is vertical, then stable jacking work can be carried out, and stable bridge support disease repairing work can be carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge support repair technical field, concretely relates to jacking device for bridge support disease repair. BACKGROUND

[0002] In bridge support disease repair operation, jacking device is key equipment, is used for lifting bridge girder to replace or maintain support. Traditional jacking device usually adopts multiple hydraulic cylinders synchronous jacking, but there is bridge girder bottom surface possibly because of disease or construction error exists inclination or uneven, leads to hydraulic cylinder jacking direction and girder bottom surface not perpendicular, produces horizontal component, influences jacking stability, when multiple hydraulic cylinders jacking direction is not identical, easily causes uneven stress of girder, even causes secondary damage. CONTENT OF UTILITY MODEL

[0003] In view of above-mentioned existing jacking device for bridge support disease repair problem, the utility model is provided.

[0004] Therefore, the utility model aims at providing jacking device for bridge support disease repair, solves the problem raised in the background art.

[0005] In order to realize above-mentioned purpose, the utility model provides the following technical scheme:

[0006] Jacking device for bridge support disease repair, including bottom plate and hydraulic cylinder, the hydraulic cylinder is set in the top of bottom plate, the upper surface both sides of bottom plate are fixedly provided with side plate, rotationally arranged with the rotation lever between two side plates, the rod wall of rotation lever is fixedly sleeved with the rotary block, the upper surface of rotary block is fixedly provided with the mounting plate, the bottom of hydraulic cylinder is fixedly connected with mounting plate, the piston rod end of hydraulic cylinder is fixedly provided with the top plate, the upper surface of top plate and located at both sides of rotary block are fixedly provided with arc shell, the inside of arc shell is slidably provided with arc rod, both ends of mounting plate are provided with recess, the inside of recess is rotatably provided with shaft pin, both ends of arc rod are rotatably sleeved with corresponding shaft pin, the upper surface of bottom plate is provided with the limiting mechanism that limits both sides arc rod movement.

[0007] Preferably, the limiting mechanism includes arc plate and pawl, the upper surface of bottom plate is provided with sliding slot, the inside of sliding slot is rotatably provided with bidirectional screw rod, both ends of bidirectional screw rod are threadedly sleeved with sliding plate, the side close to corresponding arc rod of sliding plate is fixedly provided with cross bar, the arc plate is fixedly provided at the end close to arc rod of cross bar, a plurality of pawls are fixedly provided at the side close to arc rod of arc plate, the side close to arc rod of arc shell is provided with opening, the side close to arc plate of arc rod is provided with a plurality of tooth grooves, the pawl is clamped with corresponding tooth groove.

[0008] Preferably, both the arc-shaped rod and the arc-shaped shell are concentrically arranged with the rotating rod.

[0009] Preferably, a slide bar is arranged parallel to the lower side of the bidirectional lead screw, and both ends of the slide bar are fixedly connected to the inner wall of the corresponding slide groove, and the lower sides of the two slide plates are movably sleeved with the slide bar.

[0010] Preferably, a horizontal bubble is fixedly provided at the center of the front side of the mounting plate.

[0011] Preferably, the cross-sections of the arc-shaped rod and the arc-shaped shell are both rectangular, and the sidewall of the arc-shaped rod abuts against the inner wall of the arc-shaped shell.

[0012] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0013] 1. This utility model uses a rotating rod to drive a rotating block and a mounting plate to rotate, allowing the horizontal direction of the hydraulic cylinder to be adjusted according to the inclination angle of the bridge beam's bottom surface. A spirit level displays the horizontal status of the mounting plate in real time. When inclination is detected, rotating the rod brings the mounting plate to a horizontal position, ensuring that the hydraulic cylinder's lifting direction is perpendicular to the beam's bottom surface, eliminating horizontal force and significantly improving lifting stability.

[0014] 2. This utility model, through the concentric sliding design of the arc-shaped rod and the arc-shaped shell, allows the mounting plate to rotate freely within a certain range, adapting to the bottom surface of the beam at different angles, thus avoiding the limitations of traditional fixed-angle lifting devices.

[0015] 3. In this utility model, the sliding plate and the arc plate are driven to move by a limiting mechanism through a bidirectional screw. The locking teeth engage with the grooves of the arc rod to form a rigid lock. After adjustment, the bidirectional screw is rotated to make the locking teeth on both sides tightly embedded in the grooves, preventing the mounting plate from rotating due to force during the lifting process, and ensuring that the hydraulic cylinder always lifts in the vertical direction. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0017] Figure 1 This is a schematic diagram of the jacking device for repairing bridge bearing defects proposed in this utility model;

[0018] Figure 2 for Figure 1 Internal structure diagram;

[0019] Figure 3 for Figure 2The structure of the middle local part A is shown in an enlarged schematic view.

[0020] Explanation of reference numerals:

[0021] 1, bottom plate; 2, rotating rod; 3, side plate; 4, rotating block; 5, mounting plate; 6, level bubble; 7, hydraulic cylinder; 8, top plate; 9, arc-shaped shell; 10, arc-shaped rod; 11, arc-shaped plate; 12, clamping tooth; 13, cross rod; 14, sliding plate; 15, bidirectional screw rod; 16, sliding rod. DETAILED DESCRIPTION

[0022] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0023] The utility model discloses bridge support disease repair jacking device.

[0024] With reference to Figures 1-3 , bridge support disease repair jacking device, including bottom plate 1 and hydraulic cylinder 7, hydraulic cylinder 7 sets up at the top of bottom plate 1, and the upper surface both sides of bottom plate 1 are fixedly provided with side plate 3, and rotating rod 2 is rotatably arranged between the two side plates 3, and the wall of rotating rod 2 is fixedly sleeved with rotating block 4, and the upper surface of rotating block 4 is fixedly provided with mounting plate 5, and the front side middle part of mounting plate 5 is fixedly provided with level bubble 6, which facilitates observing whether mounting plate 5 is horizontal, and further understanding whether hydraulic cylinder 7 is vertical, and the bottom of hydraulic cylinder 7 is fixedly connected with mounting plate 5, and the end of the piston rod of hydraulic cylinder 7 is fixedly provided with top plate 8, and the upper surface of top plate 8 and located at the both sides of rotating block 4 are fixedly provided with arc-shaped shell 9, and arc-shaped rod 10 is slidably arranged in the inside of arc-shaped shell 9, and recess is formed in the both ends of mounting plate 5, and shaft pin is rotatably arranged in the inside of recess, and the both ends of arc-shaped rod 10 are rotatably sleeved with corresponding shaft pins, and arc-shaped rod 10 and arc-shaped shell 9 are concentrically arranged with rotating rod 2, so that arc-shaped rod 10 can stably slide in arc-shaped shell 9, and the cross section of arc-shaped rod 10 and arc-shaped shell 9 is rectangular, and the side wall of arc-shaped rod 10 is in abutment with the inner wall of arc-shaped shell 9, so that arc-shaped rod 10 can stably slide in arc-shaped shell 9, and the upper surface of bottom plate 1 is provided with limiting mechanism limiting the movement of the both sides arc-shaped rod 10.

[0025] With reference to Figures 1-3The limiting mechanism comprises the arc-shaped plate 11 and the clamping tooth 12, the upper surface of the bottom plate 1 is provided with a sliding groove, the double-direction screw rod 15 is rotatably arranged in the sliding groove, the sliding plate 14 is threadedly connected to the two ends of the double-direction screw rod 15, the horizontal rod 13 is fixedly arranged on the side of the sliding plate 14 close to the corresponding arc-shaped rod 10, the arc-shaped plate 11 is fixedly arranged at one end of the horizontal rod 13 close to the arc-shaped rod 10, the clamping tooth 12 is fixedly arranged on the side of the arc-shaped plate 11 close to the arc-shaped rod 10, the opening is arranged on the side of the arc-shaped shell 9 close to the arc-shaped plate 11, the tooth groove is arranged on the side of the arc-shaped rod 10 close to the arc-shaped plate 11, the clamping tooth 12 is clamped with the corresponding tooth groove, the sliding rod 16 is parallelly arranged on the lower side of the double-direction screw rod 15, the two ends of the sliding rod 16 are fixedly connected with the inner walls of the corresponding sliding grooves, and the lower sides of the two sliding plates 14 are movably sleeved with the sliding rod 16, so that the sliding plate 14 cannot rotate with the double-direction screw rod 15, that is, the sliding plate 14 can stably slide.

[0026] In the utility model, when using, the device is placed below the bridge support, the horizontal state of the mounting plate 5 is observed through the level bubble 6, if the level bubble deviates, the mounting plate 5 angle is adjusted by rotating the rotating rod 2, until the level bubble is centered, at this time, the hydraulic cylinder 7 is in the vertical state, the double-direction screw rod 15 is rotated, the two sides sliding plates 14 drive the arc-shaped plate 11 to move towards the arc-shaped rod 10, the clamping tooth 12 is embedded in the tooth groove of the arc-shaped rod 10, the angle of the mounting plate 5 is locked, the hydraulic cylinder 7 is started, the piston rod pushes the top plate 8 to upwardly jack up the bridge beam body, because the mounting plate 5 has been locked horizontally, the hydraulic cylinder 7 vertically exerts force, avoids generating the transverse shearing force to the beam body, the level bubble 6 is observed in real time during the jacking process, if the angle deviates, immediately stop jacking, continue the operation after re-adjusting and locking the angle of the mounting plate 5.

[0027] The above only describes some exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled person in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A jacking device for repairing a bridge support disease, comprising a base plate (1) and a hydraulic cylinder (7), characterized in that, The hydraulic cylinder (7) is arranged above the bottom plate (1), both sides of the upper surface of the bottom plate (1) are fixedly provided with side plates (3), a rotating rod (2) is rotatably arranged between the two side plates (3), a rotating block (4) is fixedly sleeved on the rod wall of the rotating rod (2), an installation plate (5) is fixedly arranged on the upper surface of the rotating block (4), the bottom of the hydraulic cylinder (7) is fixedly connected with the installation plate (5), a top plate (8) is fixedly arranged at the end of the piston rod of the hydraulic cylinder (7), arc-shaped shells (9) are fixedly arranged on the upper surface of the top plate (8) and located on both sides of the rotating block (4), arc-shaped rods (10) are slidably arranged in the arc-shaped shells (9), recesses are formed in both ends of the installation plate (5), shaft pins are rotatably arranged in the recesses, both ends of the arc-shaped rod (10) are rotatably sleeved with the corresponding shaft pins, and a limiting mechanism for limiting the movement of the arc-shaped rods (10) on both sides of the bottom plate (1) is arranged on the upper surface of the bottom plate (1).

2. The jacking device for bridge bearing disease repair according to claim 1, characterized in that, The limiting mechanism comprises arc-shaped plates (11) and clamping teeth (12), a sliding groove is formed in the upper surface of the bottom plate (1), a bidirectional screw rod (15) is rotatably arranged in the sliding groove, sliding plates (14) are threadedly sleeved on both ends of the bidirectional screw rod (15), horizontal rods (13) are fixedly arranged on the side of the sliding plate (14) close to the corresponding arc-shaped rod (10), the arc-shaped plate (11) is fixedly arranged at one end of the horizontal rod (13) close to the arc-shaped rod (10), a plurality of clamping teeth (12) are fixedly arranged on the side of the arc-shaped plate (11) close to the arc-shaped rod (10), an opening is formed in the side of the arc-shaped shell (9) close to the arc-shaped plate (11), a plurality of tooth grooves are formed in the side of the arc-shaped rod (10) close to the arc-shaped plate (11), and the clamping tooth (12) is clamped with the corresponding tooth groove.

3. The jacking device for bridge bearing disease repair according to claim 1, characterized in that, The arc-shaped rod (10) and the arc-shaped shell (9) are concentrically arranged with the rotating rod (2).

4. The jacking device for bridge bearing disease repair according to claim 2, characterized in that, The lower side of the bidirectional screw rod (15) is parallelly provided with a sliding rod (16), both ends of the sliding rod (16) are fixedly connected with the inner walls of the corresponding sliding grooves, and the lower sides of the two sliding plates (14) are movably sleeved with the sliding rod (16).

5. The jacking device for repairing a disease of a bridge pier according to claim 1, wherein A horizontal bubble (6) is fixedly arranged on the front side of the installation plate (5).

6. The jacking device for repairing a disease of a bridge pier according to claim 1, wherein The cross sections of the arc-shaped rod (10) and the arc-shaped shell (9) are rectangular, and the side wall of the arc-shaped rod (10) abuts against the inner wall of the arc-shaped shell (9). The cross sections of the arc-shaped rod (10) and the arc-shaped shell (9) are rectangular, and the side wall of the arc-shaped rod (10) abuts against the inner wall of the arc-shaped shell (9).

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