CN215518344U

CN215518344U - Bridge expansion joint anchoring mechanism

Info

Publication number: CN215518344U
Application number: CN202122002259.8U
Authority: CN
Inventors: 逯全县; 胡玉锋; 逯全春; 胡雄志
Original assignee: Nanjing Meixin Traffic Material Co Ltd
Current assignee: Nanjing Meixin Traffic Material Co Ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-14
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a bridge expansion joint anchoring mechanism, which specifically comprises: the frame is provided with a plurality of first clamping pieces for clamping, and a driving piece for driving the first clamping pieces is arranged between the frame and the first clamping pieces; a second clamping member disposed between the driving member and the first clamping member. According to the clamping device, a user rotates the screw cap to enable the bidirectional threaded rod to rotate to drive the driving gear to rotate, the driven gear rotates to drive the screw rod to rotate, the movable plate moves leftwards and rightwards, the clamping block is driven to move leftwards and rightwards through the action of the connecting rod to clamp the anchoring plate, the rectangular block is driven to move leftwards and rightwards through the rotation of the bidirectional threaded rod under the action of the second telescopic rod, the clamping plate moves upwards and downwards through the action of the first telescopic rod to clamp the anchoring plate in the vertical direction, and the clamping firmness of the clamping device is improved through multi-directional clamping.

Description

Bridge expansion joint anchoring mechanism

Technical Field

The utility model relates to the technical field of bridge erection, in particular to an anchoring mechanism for a bridge expansion joint.

Background

The bridge expansion joint is characterized in that the expansion joint is arranged between two beam ends, between the beam ends and a bridge abutment or on the hinged position of a bridge, and can prevent rainwater and garbage soil from permeating and blocking, and is simple and convenient to install, inspect, maintain and eliminate dirt, so that the expected standard of engineering construction can be reached.

According to the Chinese national patent publication number: CN212103634U, provides an anchoring device for bridge expansion joints. The anchoring device of the bridge expansion joint comprises a frame; the two transverse moving rods are fixedly arranged on the inner walls of the two sides of the frame; the bidirectional screw rods are rotatably arranged on the inner walls of the two sides of the frame; the two nuts are sleeved on the two-way screw rod in a threaded manner; the two lantern rings are respectively fixedly sleeved on the two nuts, and the transverse moving rod penetrates through the lantern rings and is connected with the lantern rings in a sliding manner; the two pressing plates are fixedly arranged on one sides, close to the nuts, of the two pressing plates respectively, and the bidirectional screw penetrates through the pressing plates and is movably connected with the pressing plates. The anchoring device for the bridge expansion joint provided by the utility model has the advantages of simple and reliable fixing mode, less engineering quantity and stable and firm clamping degree.

However, the device clamps the anchor plate through the fixed seat, only clamps the anchor plate through acting force in the left and right directions, and has single acting force direction, so that the stability of the anchor plate when clamped is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that in the prior art, most of traditional anchoring devices for bridge expansion joints are fixedly connected in a welding or bolt fastening mode, the connecting mode has larger work load and higher specialty, and the anchoring device for bridge expansion joints is difficult to stabilize and fix a clamping plate and is easy to loosen by utilizing a single limitation of a nut on a pressing plate, so that the anchoring mechanism for bridge expansion joints is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a bridge expansion joint anchoring mechanism specifically comprises:

the frame is provided with a plurality of first clamping pieces for clamping, and a driving piece for driving the first clamping pieces is arranged between the frame and the first clamping pieces;

a second clamping member disposed between the driving member and the first clamping member.

Preferably, the first clamping piece comprises two lead screws, the two lead screws are symmetrically and rotatably inserted into the inner walls of the left side and the right side of the frame, a movable plate is connected to the lead screws in a threaded mode, the movable plate is connected to the inner walls of the upper side and the lower side of the frame in a sliding mode in the left-right direction, clamping blocks are connected to the inner walls of the upper side and the lower side of the frame in the inner side of the movable plate in a sliding mode, a plurality of connecting rods are fixedly connected between the clamping blocks and the movable plate, and friction pads are arranged on the inner side walls of the clamping blocks.

Preferably, the driving piece includes two-way threaded rod, two-way threaded rod through rotation connects on the frame, fixedly connected with driving gear on the two-way threaded rod, fixedly connected with driven gear on the lead screw of both sides about the driving gear, driven gear and driving gear meshing are connected.

Preferably, the second clamping piece comprises two rectangular blocks and two rectangular blocks are in threaded connection with the bidirectional threaded rod, a clamping plate is arranged on the rectangular block in the vertical direction on one side of the rectangular block, a first telescopic rod is connected between the clamping plate and the rectangular block in a rotating mode, and a second telescopic rod is connected between the rectangular block and the movable plate in a rotating mode.

Preferably, first telescopic link includes the loop bar, the loop bar rotates to be connected on the rectangular block, slip interlude has interior pole on the loop bar, interior pole is kept away from loop bar one end and is rotated and connect on the grip block, fixedly connected with spring between interior pole and the loop bar inner wall, and first telescopic link is the same and the principle is the same with second telescopic link structure.

Preferably, the two ends of the bidirectional threaded rod are fixedly connected with rotating caps, and the rotating caps are provided with anti-skid grains.

Compared with the prior art, the utility model has the beneficial effects that:

1. the user rotates and revolves the cap during use, make two-way threaded rod rotate, it rotates to drive the driving gear, make driven gear rotate, it rotates to drive the lead screw, make the movable plate remove, remove and remove through the effect of connecting rod and carry out the centre gripping to the anchor board, the rotation of two-way threaded rod makes the rectangular block carry out the side-to-side motion under the effect of second telescopic link simultaneously, effect through first telescopic link makes the grip block up-and-down motion carry out the centre gripping of vertical direction to the anchor board, centre gripping firmness through diversified centre gripping has improved the device, and the stability when having guaranteed that the anchor board is added and is held, avoid it to take place not hard up phenomenon, and easy operation is convenient, and the work efficiency is improved.

2. Through the setting that the grip block leaned on the friction pad on one side of interior, increased the frictional force between grip block and the anchor board, increased the firmness of the device for the device is more stable.

Drawings

Fig. 1 is a schematic front view of an anchoring mechanism for a bridge expansion joint according to the present invention;

FIG. 2 is a schematic diagram of a front side view of A in FIG. 1;

fig. 3 is a schematic view of an internal structure of the first telescopic rod in fig. 1.

In the figure: the device comprises a frame 1, a first clamping piece 2, a screw rod 21, a moving plate 22, a clamping block 23, a connecting rod 24, a friction pad 25, a driving piece 3, a bidirectional threaded rod 31, a driving gear 32, a driven gear 33, a screw cap 34, a second clamping piece 4, a rectangular block 41, a clamping plate 42, a first telescopic rod 43, a sleeve rod 431, an inner rod 432, a spring 433 and a second telescopic rod 44.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a bridge expansion joint anchoring mechanism specifically includes:

the frame 1, the frame 1 is provided with a plurality of first clamping parts 2 for clamping, the first clamping parts 2 comprise two screw rods 21, the two screw rods 21 are symmetrically and rotatably inserted on the inner walls of the left side and the right side of the frame 1, the screw rods 21 are in threaded connection with a movable plate 22, the movable plate 22 is in sliding connection with the inner walls of the upper side and the lower side of the frame 1 in the left-right direction, the inner walls of the upper side and the lower side of the frame 1, close to the inner side, of the movable plate 22 are in sliding connection with clamping blocks 23, a plurality of connecting rods 24 are fixedly connected between the clamping blocks 23 and the movable plate 22, the inner side wall of the clamping blocks 23 is provided with a friction pad 25, so that the movable plate 22 can be driven to move left and right when the screw rods 21 rotate, the clamping blocks 23 are driven to move left and right under the action of the connecting rods 24 to clamp the anchoring plate, a driving part 3 for driving the first clamping parts 2 is arranged between the frame 1 and the first clamping parts 2, and the driving part 3 comprises a bidirectional threaded rod 31, the bidirectional threaded rod 31 is connected to the frame 1 in a penetrating and rotating mode, the two ends of the bidirectional threaded rod 31 are fixedly connected with the turncaps 34, the turncaps 34 are provided with anti-skid lines, a user can conveniently rotate the turncaps 34 to drive the bidirectional threaded rod 31 to rotate, the bidirectional threaded rod 31 is fixedly connected with the driving gear 32, the screw rods 21 on the upper side and the lower side of the driving gear 32 are fixedly connected with the driven gears 33, and the driven gears 33 are meshed with the driving gear 32, so that the driving gear 32 can be driven to rotate when the bidirectional threaded rod 31 rotates, the driven gears 33 rotate, the screw rods 21 are driven to rotate, and the first clamping piece 2 is driven;

the second clamping piece 4 is arranged between the driving piece 3 and the first clamping piece 2, the second clamping piece 4 comprises two rectangular blocks 41, the two rectangular blocks 41 are in threaded connection with the bidirectional threaded rod 31, a clamping plate 42 is arranged on one side, close to the inner side, of each rectangular block 41 in the vertical direction, a first telescopic rod 43 is rotatably connected between each clamping plate 42 and each rectangular block 41, a second telescopic rod 44 is rotatably connected between each rectangular block 41 and the corresponding moving plate 22, so that when the bidirectional threaded rod 31 rotates, the rectangular blocks 41 move left and right under the action of the second telescopic rods 44, the clamping plates 42 move up and down under the action of the first telescopic rods 43 to clamp the anchoring plates in multiple directions, the clamping firmness of the device is improved, each first telescopic rod 43 comprises a sleeve rod 431, each sleeve rod 431 is rotatably connected to the corresponding rectangular block 41, each sleeve rod 431 is slidably inserted with an inner rod 432, one end, far away from each sleeve rod 431, of each inner rod 432 is rotatably connected to each clamping plate 42, fixedly connected with spring 433 between interior pole 432 and the loop bar 431 inner wall, and first telescopic link 43 is the same and the principle is the same with second telescopic link 44 structure for when rectangle piece 41 side-to-side motion, the first telescopic link 43 of accessible drives grip block 42 up-and-down motion, when grip block 42 up-and-down motion extremely, interior pole 432 can be to the interior motion of loop bar 431, guarantees that rectangle piece 41 continues to move to the inboard.

In the utility model, when a user uses the device, the user rotates the screw cap 34 to rotate the bidirectional threaded rod 31 to drive the driving gear 32 to rotate, the driven gear 33 rotates to drive the screw rod 21 to rotate, the movable plate 22 moves leftwards and rightwards, the clamping block 23 is driven to move leftwards and rightwards through the action of the connecting rod 24 to clamp the anchor plate, meanwhile, the rectangular block 41 moves leftwards and rightwards under the action of the second telescopic rod 44 due to the rotation of the bidirectional threaded rod 31, the clamping block 42 moves upwards and downwards through the action of the first telescopic rod 43 to clamp the anchor plate in the vertical direction, the clamping firmness of the device is improved through multi-directional clamping, the phenomenon of looseness is avoided, the operation is simple and convenient, and the working efficiency is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a bridge expansion joint anchor mechanism which characterized in that specifically includes:

the clamping device comprises a frame (1), wherein a plurality of first clamping pieces (2) used for clamping are arranged on the frame (1), and a driving piece (3) used for driving the first clamping pieces (2) is arranged between the frame (1) and the first clamping pieces (2);

a second clamping part (4), the second clamping part (4) is arranged between the driving part (3) and the first clamping part (2).

2. The anchoring mechanism for the expansion joint of the bridge as claimed in claim 1, wherein the first clamping member (2) comprises two screws (21), the two screws (21) are symmetrically and rotatably inserted into the inner walls of the left and right sides of the frame (1), a moving plate (22) is screwed on the screws (21), the moving plate (22) is slidably connected to the inner walls of the upper and lower sides of the frame (1) in the left and right directions, the inner walls of the upper and lower sides of the frame (1) at the inner side of the moving plate (22) are slidably connected to clamping blocks (23), a plurality of connecting rods (24) are fixedly connected between the clamping blocks (23) and the moving plate (22), and a friction pad (25) is arranged on the inner side wall of the clamping blocks (23).

3. The bridge expansion joint anchoring mechanism of claim 2, wherein the driving member (3) comprises a bidirectional threaded rod (31), the bidirectional threaded rod (31) is connected to the frame (1) in a penetrating and rotating manner, a driving gear (32) is fixedly connected to the bidirectional threaded rod (31), driven gears (33) are fixedly connected to the screw rods (21) on the upper side and the lower side of the driving gear (32), and the driven gears (33) are meshed with the driving gear (32).

4. The bridge expansion joint anchoring mechanism according to claim 3, wherein the second clamping member (4) comprises two rectangular blocks (41), the two rectangular blocks (41) are in threaded connection with the two-way threaded rod (31), a clamping plate (42) is arranged on the inner side of the rectangular block (41) in the vertical direction, a first telescopic rod (43) is rotatably connected between the clamping plate (42) and the rectangular block (41), and a second telescopic rod (44) is rotatably connected between the rectangular block (41) and the movable plate (22).

5. The bridge expansion joint anchoring mechanism according to claim 4, wherein the first telescopic rod (43) comprises a sleeve rod (431), the sleeve rod (431) is rotatably connected to the rectangular block (41), an inner rod (432) is slidably inserted on the sleeve rod (431), one end of the inner rod (432) far away from the sleeve rod (431) is rotatably connected to the clamping plate (42), a spring (433) is fixedly connected between the inner rod (432) and the inner wall of the sleeve rod (431), and the first telescopic rod (43) and the second telescopic rod (44) are identical in structure and principle.

6. The anchoring mechanism for bridge expansion joints according to claim 5, wherein the two-way threaded rod (31) is fixedly connected with a screw cap (34) at both ends, and the screw cap (34) is provided with anti-skid lines.