CN212103689U - Temporary support equipment for bridge construction - Google Patents

Abstract

The utility model relates to the technical field of bridge construction, in particular to a temporary supporting device for bridge construction, which comprises a base, wherein the top surface of the base is provided with two parallel chutes, the front side and the rear side of the base are both fixed with hydraulic cylinders close to the corners through bolts, and the piston rods of the hydraulic cylinders pass through the outer wall of the base and extend into the chutes; a top plate is arranged above the base, two auxiliary supporting assemblies which are parallel to each other are arranged between the base and the top plate, and a main supporting assembly is arranged between the two auxiliary supporting assemblies; this interim supporting equipment is used in bridge construction passes through main supporting component and vice supporting component, has changed the mode that traditional bridge construction used the pneumatic cylinder to support temporarily, through the setting of main supporting component and vice supporting component, can be great degree the weight of bearing the bridge, and the supporting effect is good, and its manufacturing cost is lower, has reduced the construction cost of bridge.

Description

Temporary support equipment for bridge construction

technical field

The utility model relates to the technical field of bridge construction, in particular to a temporary support device for bridge construction.

Background technique

Bridges refer to buildings built for roads to cross natural or artificial obstacles. In recent years, with the progress and development of science and technology and economy, the construction technology of bridges has become more and more mature, and the safety of bridges has also received increasing attention; some years Due to the influence of geological subsidence and other factors, the bridges in disrepair need to replace the support bases. During the construction process, it is inevitable to use temporary support equipment to support the main body of the bridge, so as to facilitate the reconstruction of the support bases. The support equipment is a hydraulic cylinder, but it is easily damaged after use, which increases the cost of bridge construction. In view of this, we propose a temporary support equipment for bridge construction.

Utility model content

The purpose of the present invention is to provide a temporary support device for bridge construction, so as to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A temporary support device for bridge construction includes a base, the top surface of the base is provided with two parallel chutes, and the front and rear sides of the base near the corners are fixed with hydraulic cylinders by bolts. The piston rod passes through the outer wall of the base and extends into the chute; a top plate is arranged above the base, and two parallel auxiliary support assemblies are arranged between the base and the top plate. A main support assembly is arranged between the auxiliary support assemblies; the auxiliary support assembly includes two symmetrically arranged support rods, both ends of the support rods are provided with shaft holes, and both ends of the support rods are further provided with A hinge seat, the support rod is hinged with the hinge seat through the shaft hole, a sliding block is tightly welded on the hinge seat located below, and the sliding block is slidably connected with the corresponding sliding groove, the The end of the piston rod of the hydraulic cylinder abuts against one side of the slider.

Preferably, the main support assembly includes two connecting blocks parallel to each other, two grooves are symmetrically opened on the connecting blocks, and convex shafts are embedded in the grooves, and the connecting blocks located on the front side A through hole is opened on the upper part, a threaded hole is opened on the connecting block on the rear side, a threaded rod is rotatably connected in the through hole through a bearing, and the threaded rod is threadedly connected with the threaded hole, and the connecting block Two connecting rods are symmetrically arranged on the upper and lower sides of the connecting rod, both ends of the connecting rod are provided with connecting holes, and one end of the two connecting rods rotates with the corresponding convex shaft through one of the connecting holes. connection, the main support assembly further includes two vertically symmetrical mounting blocks, the mounting blocks are provided with strip-shaped grooves, and two mutually parallel connection shafts are tightly welded in the strip-shaped grooves, And the other ends of the two connecting rods are rotatably connected with the corresponding connecting shafts through the other connecting hole.

Preferably, the two mounting blocks are respectively connected with the top surface of the base and the bottom surface of the top plate by bolts.

Preferably, the hinge seat located above is tightly welded with the bottom surface of the top plate.

Preferably, one end of the threaded rod is tightly welded with a fixing ring, and the other end of the threaded rod is tightly welded with a limiting block.

Compared with the prior art, the beneficial effect of the present utility model is that the temporary support equipment for bridge construction changes the traditional way of using hydraulic cylinders for temporary support in bridge construction through the main support assembly and the auxiliary support assembly. The setting of the support component can bear the weight of the bridge to a greater extent, the support effect is good, and the production cost is low, which reduces the construction cost of the bridge.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the partial structure schematic diagram in the utility model;

Fig. 3 is the exploded structure schematic diagram of the auxiliary support assembly in the utility model;

4 is a schematic structural diagram of the main support assembly in the present invention;

FIG. 5 is a schematic diagram of an exploded structure of the main support assembly in the present invention.

In the figure: 1. Base; 11. Chute; 2. Hydraulic cylinder; 3. Top plate; 4. Auxiliary support assembly; 41. Support rod; 411, Shaft hole; Component; 51, connecting block; 5111, groove; 512, convex shaft; 513, through hole; 514, threaded hole; 52, connecting rod; 521, connecting hole; 53, mounting block; 531, bar groove; 532, connecting shaft; 54, threaded rod; 541, fixing ring; 542, limit block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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 implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

In addition, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Example 1

A temporary support equipment for bridge construction, as shown in Figures 1 to 5, includes a base 1, the top surface of the base 1 is provided with two parallel chutes 11, and the front and rear sides of the base 1 near the corners are passed through bolts A hydraulic cylinder 2 is fixed. The piston rod of the hydraulic cylinder 2 passes through the outer wall of the base 1 and extends into the chute 11; The support assembly 4, the main support assembly 5 is arranged between the two auxiliary support assemblies 4; the auxiliary support assembly 4 includes two symmetrically arranged support rods 41, both ends of the support rods 41 are provided with shaft holes 411, Both ends are also provided with hinge bases 42, the support rod 41 is hinged with the hinge base 42 through the shaft hole 411, the sliding block 43 is tightly welded on the hinge base 42 located below, and the sliding block 43 is slidably connected with the corresponding chute 11, hydraulic pressure The end of the piston rod of the cylinder 2 abuts against one side of the slider 43 . The main support assembly 5 includes two connecting blocks 51 that are parallel to each other. Two grooves 511 are symmetrically opened on the connecting blocks 51, and protruding shafts 512 are embedded in the grooves 511. The hole 513, the connecting block 51 on the rear side is provided with a threaded hole 514, the through hole 513 is connected with a threaded rod 54 through the bearing rotation, and the threaded rod 54 is threadedly connected with the threaded hole 514, and the upper and lower sides of the connecting block 51 are symmetrically arranged. There are two connecting rods 52, both ends of the connecting rods 52 are provided with connecting holes 521, and one end of the two connecting rods 52 is rotatably connected with the corresponding convex shaft 512 through one of the connecting holes 521. The main support assembly 5 also includes Two mounting blocks 53 that are symmetrical in the vertical direction, the mounting blocks 53 are provided with a bar-shaped groove 531, and two mutually parallel connecting shafts 532 are tightly welded in the bar-shaped groove 531, and the other side of the two connecting rods 52. One end is rotatably connected with the corresponding connecting shaft 532 through another connecting hole 521 .

In this embodiment, the two mounting blocks 53 are respectively connected with the top surface of the base 1 and the bottom surface of the top plate 3 by bolts, and the bolt connection is convenient for disassembly and assembly.

Further, the hinge seat 42 located above is tightly welded with the bottom surface of the top plate 3, and the welding method is more reliable.

In addition, one end of the threaded rod 54 is tightly welded with a fixing ring 541, and the other end of the threaded rod 54 is tightly welded with a limit block 542. The setting of the fixing ring 541 is convenient for turning the threaded rod 54 with a wrench and other tools. The provision prevents the threaded rod 54 from disengaging from the threaded hole 514 .

It is worth noting that the hydraulic cylinder 2 in this embodiment is an existing conventional technology, which will not be repeated here.

When the temporary support equipment for bridge construction in this embodiment is used, the user first places the whole device under the bridge, then the user passes the wrench through the fixing ring 541, and at the same time, the user rotates the fixing ring 541 with the wrench, and the thread The rod 54 rotates in the through hole 513. Under the action of the threaded hole 514, the connecting block 51 on the rear side and the connecting block 51 on the front side move to the middle synchronously. The angle gradually increases, and at the same time, the distance between the top plate 3 and the base 1 gradually increases. At this time, under the action of the movement of the top plate 3, the two sliders 43 in the same chute 11 move inward synchronously, and then the user controls the hydraulic pressure. The cylinder 2 operates, the end of its piston rod is pressed against one side of the slider 43, and finally the top surface of the top plate 3 is fitted to the bottom surface of the bridge, and the construction personnel can carry out the construction.

The basic principles, main features and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Under the premise of the spirit and scope, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a bridge construction is with interim supporting equipment, includes base (1), its characterized in that: the top surface of the base (1) is provided with two parallel sliding grooves (11), the front side surface and the rear side surface of the base (1) close to corners are respectively fixed with a hydraulic cylinder (2) through bolts, and a piston rod of the hydraulic cylinder (2) penetrates through the outer wall of the base (1) and extends into the sliding grooves (11); a top plate (3) is arranged above the base (1), two auxiliary supporting components (4) which are parallel to each other are arranged between the base (1) and the top plate (3), and a main supporting component (5) is arranged between the two auxiliary supporting components (4); vice supporting component (4) include two bracing pieces (41) that the symmetry set up, shaft hole (411) have all been seted up at the both ends of bracing piece (41), the both ends of bracing piece (41) still are equipped with free bearing (42), bracing piece (41) pass through shaft hole (411) with free bearing (42) are articulated mutually, are located the below closely weld slider (43) on free bearing (42), slider (43) and corresponding spout (11) sliding connection, the piston rod tip of pneumatic cylinder (2) supports tightly on a side of slider (43).

2. The temporary support apparatus for bridge construction according to claim 1, wherein: the main supporting assembly (5) comprises two connecting blocks (51) which are parallel to each other, two grooves (511) are symmetrically formed in each connecting block (51), a convex shaft (512) is embedded in each groove (511), a through hole (513) is formed in each connecting block (51) which is located on the front side, a threaded hole (514) is formed in each connecting block (51) which is located on the rear side, a threaded rod (54) is rotatably connected into each through hole (513) through a bearing, the threaded rod (54) is in threaded connection with the threaded hole (514), two connecting rods (52) are symmetrically arranged on the upper side and the lower side of each connecting block (51), connecting holes (521) are formed in two ends of each connecting rod (52), one end of each connecting rod (52) is rotatably connected with the corresponding convex shaft (512) through one connecting hole (521), and the main supporting assembly (5) further comprises two mounting blocks (53) which are symmetrical in the vertical direction, a strip-shaped groove (531) is formed in the mounting block (53), two mutually parallel connecting shafts (532) are tightly welded in the strip-shaped groove (531), and the other ends of the two connecting rods (52) are rotatably connected with the corresponding connecting shafts (532) through the other connecting hole (521).

3. The temporary support apparatus for bridge construction according to claim 2, wherein: the two mounting blocks (53) are fixedly connected with the top surface of the base (1) and the bottom surface of the top plate (3) through bolts respectively.

4. The temporary support apparatus for bridge construction according to claim 1, wherein: the hinged support (42) positioned above is tightly welded with the bottom surface of the top plate (3).

5. The temporary support apparatus for bridge construction according to claim 2, wherein: the one end of threaded rod (54) has inseparable welding to have solid fixed ring (541), the other end of threaded rod (54) has inseparable welding to have stopper (542).

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