CN214005423U

CN214005423U - Bridge construction support bracket

Info

Publication number: CN214005423U
Application number: CN202022349435.0U
Authority: CN
Inventors: 吴金雷
Original assignee: Wuhan Zhihe Road And Bridge Steel Formwork Manufacturing Co Ltd
Current assignee: Wuhan Zhihe Road And Bridge Steel Formwork Manufacturing Co Ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-08-20
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a bridge construction support bracket, comprising a base plate, the top of bottom plate is provided with the loading board, the middle part fixedly connected with girder of bottom plate upper surface, the middle part fixedly connected with ball of loading board lower surface, the circular slot with ball matched with is seted up at the top of girder, one side fixedly connected with slide rail of bottom plate upper surface, the outer wall of one of them round bar rotates and has cup jointed first bracing piece, the through-hole has been seted up to the bottom of first bracing piece, the interlude has the locating pin in the inner chamber of through-hole, the top of the opposite side of bottom plate is provided with the sleeve, the screw thread has cup jointed the second bracing piece in the telescopic inner chamber. The utility model discloses utilize first bracing piece and sleeve matched with mode of setting, through the relative fixation of locating pin with slide rail and first bracing piece, the inclination adjustment of loading board is accomplished this moment, and this support bracket's support angle is convenient for adjust, can carry out angle modulation to the loading board according to the shape of bridge lower surface.

Description

Bridge construction support bracket

Technical Field

The utility model relates to a bridge construction bracket field, in particular to bridge construction support bracket.

Background

The bridge generally comprises an upper structure, a lower structure and an auxiliary structure, wherein the upper structure mainly refers to a bridge span structure and a support system, the lower structure comprises a bridge abutment, a bridge pier and a foundation, the auxiliary structure refers to a bridge head butt plate, a conical protection slope, a revetment, a diversion project and the like, the bridge is divided according to structural systems, and the bridge comprises four basic systems, namely a beam bridge, an arch bridge, a rigid bridge and a suspension cable for bearing.

The support bracket is the facility commonly used in the bridge construction, and traditional support bracket is mostly first pre-buried steel sheet in the pier, welds the triangle bracket that welds well on pre-buried steel sheet again, but the backup pad and the ground on its top of general triangle bracket all are relative horizontally, because the junction of triangle bracket is the welding, this just leads to the relative angle of backup pad and bridge difficult regulation, so support bracket also can only support the bridge that the lower surface is smooth.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge construction support bracket to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge construction supporting bracket comprises a bottom plate, wherein a bearing plate is arranged above the bottom plate, a main beam is fixedly connected to the middle of the upper surface of the bottom plate, balls are fixedly connected to the middle of the lower surface of the bearing plate, circular grooves matched with the balls are formed in the top of the main beam, a sliding rail is fixedly connected to one side of the upper surface of the bottom plate, ear plates are symmetrically and fixedly connected to two sides of the lower surface of the bearing plate, circular rods are fixedly connected between the two ear plates, a first supporting rod is rotatably sleeved on the outer wall of one circular rod, through holes are formed in the bottom of the first supporting rod, at least four through grooves are symmetrically and equidistantly formed in the sliding rail, positioning pins matched with the through grooves are slidably inserted and connected into the inner cavity of the through holes, the positioning pins are in interference fit with the inner cavities of the through grooves, and a sleeve is arranged above the other side of the bottom plate, and a second supporting rod is sleeved in the inner cavity of the sleeve in a threaded manner, and the top of the second supporting rod is rotatably sleeved with one round rod.

Preferably, the bottom end of the sleeve is fixedly connected with a rotating block, the top of the bottom plate is provided with a limiting groove matched with the rotating block, and the sleeve is rotatably connected with the bottom plate through the rotating block.

Preferably, the top of the inner wall of the two sides of the sliding rail is equidistantly provided with at least an upper clamping groove, and the inner cavities of the two clamping grooves are in interference fit with limiting blocks.

Preferably, the front surface of the bearing plate is fixedly provided with a level ruler through a fixing seat, and the upper surface of the bearing plate is bonded and connected with a rubber pad through an adhesive.

Preferably, the bottom of the front and the back of the bottom plate is symmetrically and fixedly connected with a mounting plate, and the mounting plate is provided with a bolt in a penetrating and inserting manner through symmetrical threads.

Preferably, four edges of the bottom plate are connected with a limiting shaft in a sliding and inserting mode, the top end of the limiting shaft is fixedly connected with a limiting plate, and a groove matched with the limiting plate is formed in the top of the bottom plate.

The utility model discloses a technological effect and advantage:

1. the utility model utilizes the matched setting mode of the first support rod and the sleeve, the bearing plate drives the balls to rotate in the circular groove of the girder through the matching of the first support rod and the second support rod, then the slide rail and the first support rod are relatively fixed through the positioning pin, the inclination angle adjustment of the bearing plate is completed at the moment, the support angle of the support bracket is convenient to adjust, and the bearing plate can be subjected to angle adjustment according to the shape of the lower surface of the bridge;

2. the utility model discloses a girder and ball matched with set up the mode, rotate in the inner chamber of girder top circular slot through the ball, both can not influence the rotation of loading board, also can undertake the most pressure that comes from the loading board through the girder to reduce the stress of loading board to first bracing piece and second bracing piece, the circular shape of ball is convenient for increase with the area of contact of ball, thereby reduces the local stress between girder and the ball.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic view of the slide rail structure of the present invention.

Fig. 3 is a schematic view of the structure of the rotating block of the present invention.

In the figure: 1. a base plate; 2. a carrier plate; 3. a main beam; 4. a ball bearing; 5. a slide rail; 6. an ear plate; 7. a first support bar; 8. a through groove; 9. positioning pins; 10. a sleeve; 11. a second support bar; 12. rotating the block; 13. a card slot; 14. a limiting block; 15. a level bar; 16. mounting a plate; 17. a limiting shaft; 18. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a bridge construction support bracket as shown in figures 1-3, which comprises a bottom plate 1, a bearing plate 2 is arranged above the bottom plate 1, a level bar 15 is fixedly arranged on the front surface of the bearing plate 2 through a fixing seat, the levelness of the bearing plate 2 can be visually observed through the level bar 15, the upper surface of the bearing plate 2 is connected with a rubber pad through an adhesive, a girder 3 is fixedly connected with the middle part of the upper surface of the bottom plate 1, a ball 4 is fixedly connected with the middle part of the lower surface of the bearing plate 2, a circular groove matched with the ball 4 is arranged on the top of the girder 3, the ball 4 rotates in the inner cavity of the circular groove at the top of the girder 3, the rotation of the bearing plate 2 is not influenced, and the most part of pressure from the bearing plate 2 can be born through the girder 3, thereby reducing the stress of the bearing plate 2 to a first support rod 7 and a second support rod 11, the circular shape of the ball 4, the contact area with the balls 4 is increased, so that the local stress between the main beam 3 and the balls 4 is reduced.

One side of the upper surface of the bottom plate 1 is fixedly connected with a slide rail 5, the bottom of a first supporting rod 7 slides in an inner cavity of the slide rail 5, the inner walls at two sides of the slide rail 5 can limit the side wall of the first supporting rod 7, the top of the inner walls at two sides of the slide rail 5 is equidistantly provided with at least an upper clamping groove 13, the clamping grooves 13 and the through grooves 8 are arranged at intervals in a staggered manner, a limiting block 14 is in interference fit in the inner cavity of the two clamping grooves 13, the limiting block 14 is positioned at one side of the bottom end of the first supporting rod 7 and is attached to the first supporting rod 7 to support the first supporting rod 7 and provide a certain supporting force for the first supporting rod 7, the two sides of the lower surface of the bearing plate 2 are symmetrically and fixedly connected with lug plates 6, a round rod is fixedly connected between the two lug plates 6, the outer wall of one round rod is rotatably sleeved with the first supporting rod 7, the bottom of the first supporting rod 7 is provided with a through hole, the slide rail 5 is symmetrically and equidistantly provided with at least four through grooves 8, the inner cavity of the through hole is connected with a positioning pin 9 matched with the through groove 8 in a sliding and inserting mode, the positioning pin 9 penetrates through the inner cavities of the through grooves 8 when penetrating through the first supporting rod 7, and the positioning pin 9 is in interference fit with the inner cavities of the through grooves 8.

The top of the opposite side of bottom plate 1 is provided with sleeve 10, and the screw thread has cup jointed second bracing piece 11 in the inner chamber of sleeve 10, and the top of second bracing piece 11 rotates rather than another round bar and cup joints, and the bottom fixedly connected with of sleeve 10 changes piece 12, and the top of bottom plate 1 is seted up and is changeed piece 12 matched with spacing groove, and sleeve 10 rotates through changeing piece 12 and bottom plate 1 and be connected.

The equal symmetry fixedly connected with mounting panel 16 in the bottom at the front of bottom plate 1 and the back, symmetrical screw thread interlude is connected with the bolt on the mounting panel 16, when the ground that bottom plate 1 placed is cement ground, can with the bolt during the earth's surface of cement ground of revolving into, with the rigidity of bottom plate 1, four edges department of bottom plate 1 all slide to alternate and be connected with spacing axle 17, spacing axle 17's top fixedly connected with limiting plate 18, the recess with limiting plate 18 matched with has been seted up at the top of bottom plate 1, when the ground that bottom plate 1 placed is the soil, soil property is pine, just, in pegging into the soil with spacing axle 17, it is fixed with the soil with bottom plate 1.

This practical theory of operation:

when a bridge with a relatively flat bottom needs to be supported, the first supporting rod 7 is adjusted to a vertical position, then the positioning pin 9 sequentially penetrates through the through groove 8 and the first supporting rod 7, so that after the position of the first supporting rod 7 is fixed, the sleeve 10 is rotated according to the indication of the level ruler 15, so that the relative position of the second supporting rod 11 in the inner cavity of the sleeve 10 is changed, the bearing plate 2 is adjusted to be horizontal, the bottom of the bridge is supported, when a bridge with a relatively inclined lower surface needs to be supported, the inclination angle of the first supporting rod 7 is adjusted according to the inclination angle of the lower surface of the bridge, meanwhile, the sleeve 10 also needs to be rotated, so that the second supporting rod 11 moves upwards under the limit of the lug plate 6, and the bearing plate 2 drives the ball 4 to rotate in the circular groove of the main beam 3 through the matching of the first supporting rod 7 and the second supporting rod 11, until according to the instruction of level bar 15, with the support angular adjustment of loading board 2 suitable back, the through-hole of first bracing piece 7 bottom is just corresponding the inner chamber that leads to groove 8 this moment, then pass the inner chamber that leads to groove 8 and through-hole in proper order with locating pin 9, thereby pass through locating pin 9 with slide rail 5 and the relatively fixed of first bracing piece 7, the inclination adjustment of loading board 2 is accomplished this moment, place loading board 2 again on the lower surface of bridge support the bridge alright, the support angle of this support bracket is convenient for adjust, can carry out angle modulation to loading board 2 according to the shape of bridge lower surface.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a bridge construction support bracket, includes bottom plate (1), its characterized in that: a bearing plate (2) is arranged above the bottom plate (1), a main beam (3) is fixedly connected to the middle of the upper surface of the bottom plate (1), balls (4) are fixedly connected to the middle of the lower surface of the bearing plate (2), circular grooves matched with the balls (4) are formed in the top of the main beam (3), a sliding rail (5) is fixedly connected to one side of the upper surface of the bottom plate (1), lug plates (6) are symmetrically and fixedly connected to the two sides of the lower surface of the bearing plate (2), circular rods are fixedly connected between the two lug plates (6), a first supporting rod (7) is rotatably sleeved on the outer wall of one circular rod, a through hole is formed in the bottom of the first supporting rod (7), at least four through grooves (8) are formed in the sliding rail (5) at equal intervals, and positioning pins (9) matched with the through grooves (8) are slidably and alternately connected in the inner cavity of the through hole, locating pin (9) and the inner chamber interference fit who leads to groove (8), the top of the opposite side of bottom plate (1) is provided with sleeve (10), screw thread has cup jointed second bracing piece (11) in the inner chamber of sleeve (10), second bracing piece (11) top is rotated rather than another round bar and is cup jointed.

2. A bridge construction support bracket according to claim 1, characterised in that: the bottom fixedly connected with of sleeve (10) changes piece (12), the top of bottom plate (1) is seted up with changeing piece (12) matched with spacing groove, sleeve (10) are connected with bottom plate (1) rotation through changeing piece (12).

3. A bridge construction support bracket according to claim 1, characterised in that: at least upper clamping grooves (13) are formed in the tops of the inner walls of the two sides of the sliding rail (5) at equal intervals, and limiting blocks (14) are in interference fit in inner cavities of the two clamping grooves (13).

4. A bridge construction support bracket according to claim 1, characterised in that: the front of loading board (2) is through fixing base fixed mounting have spirit level (15), the upper surface of loading board (2) is connected with the rubber pad through the adhesive bonding.

5. A bridge construction support bracket according to claim 1, characterised in that: the bottom equal symmetry fixedly connected with mounting panel (16) at the front of bottom plate (1) and the back, symmetrical screw thread interlude is connected with the bolt on mounting panel (16).

6. A bridge construction support bracket according to claim 1, characterised in that: four edges of bottom plate (1) all slide to alternate and be connected with spacing axle (17), the top fixedly connected with limiting plate (18) of spacing axle (17), the recess with limiting plate (18) matched with has been seted up at the top of bottom plate (1).