Shock-resistant cable bridge expansion joint device

Abstract

The utility model belongs to the technical field of anti-seismic cable bridge expansion joints, and discloses an anti-seismic cable bridge expansion joint device which comprises a cable bridge body and an expansion joint body, two sides of the cable bridge body are respectively provided with a pair of bolts, the peripheries of the bolts are in threaded connection with nuts, and two sides of the expansion joint body are respectively provided with a pair of sliding grooves. Mounting blocks are mounted at the positions, below the sliding grooves, of the outer walls of the two sides of the telescopic joint body, convex-shaped grooves are formed in one sides of the mounting blocks, convex-shaped blocks are movably connected into the convex-shaped grooves, supporting blocks are mounted on one sides of the convex-shaped blocks, circular blocks are mounted on the upper end faces of the supporting blocks, through grooves are formed in one sides of the circular blocks, and cavities are formed in the supporting blocks; compression springs are installed at the bottoms of the cavities, limiting blocks are connected to the top ends of the compression springs, and clamping blocks are installed on the upper end faces of the limiting blocks. The device is simple and reasonable in structure, novel in design, capable of improving the stability of connection between the cable bridge body and the expansion joint body, high in practicability and convenient to widely popularize and use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of earthquake -resistant cable bridge expansion joint, more specifically, it relates to an earthquake -resistant cable bridge expansion joint device. BACKGROUND

[0002] The earthquake -resistant cable bridge expansion joint is a connecting component for cable bridge, aiming at displacement and deformation caused by temperature change, earthquake or other external force, and the earthquake -resistant cable bridge expansion joint is an important component part for ensuring that cable bridge runs safely and stably under various environmental conditions, and is widely used in the fields of building, electric power, communication and the like.

[0003] Now part earthquake -resistant cable bridge expansion joint usually uses bolt and nut to connect expansion joint and cable bridge, in order to freely expand and contract, staff will not lock bolt and nut, thus when cable bridge moves horizontally or vibrates on expansion joint due to temperature change, earthquake or other external force, nut is easy to fall off from bolt, thereby causing cable bridge and expansion joint to separate.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and an earthquake -resistant cable bridge expansion joint device is provided to achieve the purpose of having more practical value. INVENTION CONTENTS

[0005] In order to solve the above technical problems, the utility model provides an earthquake -resistant cable bridge expansion joint device, which is achieved by the following specific technical means:

[0006] An earthquake -resistant cable bridge expansion joint device, comprising a cable bridge body and an expansion joint body, a pair of bolts are installed on the two sides of the cable bridge body, nuts are connected with the periphery of the bolts, a pair of sliding grooves are arranged on the two sides of the expansion joint body, mounting blocks are installed below the sliding grooves on the two side walls of the expansion joint body, a " convex " groove is arranged on one side of the mounting block, a " convex " block is movably connected in the " convex " groove, a supporting block is installed on one side of the " convex " block, a circular block is installed on the upper end surface of the supporting block, a through groove is arranged on one side of the circular block, a cavity is arranged in the supporting block, a compression spring is installed at the bottom of the cavity, a limiting block is connected to the top end of the compression spring, a clamping block is installed on the upper end surface of the limiting block, and the top end of the clamping block extends into the through groove through the top of the through groove.

[0007] Further, a buffer pad is installed at the middle position inside the expansion joint body.

[0008] Further, the bottom end surface of the bolt is provided with a clamping groove, and the size of the clamping block and the clamping groove is matched.

[0009] Further, one side of the cavity is provided with a movable groove.

[0010] Further, one side of the card block is provided with a knob, one end of the knob extends to the outside of the supporting block through one side of the movable slot.

[0011] Further, the screw is matched with the size of the sliding slot.

[0012] Further, the screw is matched with the size of the through slot.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] Through the cooperation of the compression spring, the limiting block, the card block, the knob and the card slot, the staff makes the side with the card slot of the locking screw downward, then penetrates the sliding slot and inserts into the nut, at this time, the card block is driven to move downward into the cavity through the knob, then the nut is rotated, since the nut is threadedly connected with the screw, therefore the end of the screw is moved into the through slot when the nut is rotated, when the position of the card slot moves to the top of the card block, the knob is loosened, at this time, the card block is pushed to move upward and inserts into the card slot through the limiting block under the action force of the compression spring, thereby the screw is fixed, further, when the cable bridge is horizontally moved or vibrated on the expansion joint due to temperature change, earthquake or other external force, the nut is effectively prevented from falling off from the screw, the stability of the connection between the cable bridge body and the expansion joint body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional schematic view of the utility model.

[0016] Figure 2 It is the front view schematic view of the utility model.

[0017] Figure 3 It is the utility model Figure 1 The enlarged schematic view of A.

[0018] Figure 4 It is the utility model Figure 2 The enlarged schematic view of B.

[0019] Figure 5 It is the utility model Figure 2 The enlarged schematic view of C.

[0020] In the drawing, the corresponding relationship between the component name and the drawing number is:

[0021] 1, cable bridge body; 2, expansion joint body; 201, sliding groove; 3, bolt; 301, nut; 302, clamping groove; 4, mounting block; 401, "convex" groove; 402, "convex" block; 5, support block; 501, cavity; 502, movable groove; 6, round block; 601, through groove; 7, clamping block; 701, limiting block; 702, compression spring; 703, push block; 8, buffer pad. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0023] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] As shown in the accompanying Figure 1 to the accompanying Figure 5 :

[0027] The utility model provides a kind of anti-seismic cable bridge expansion joint device, including cable bridge body 1 and expansion joint body 2, the both sides of cable bridge body 1 are equipped with a pair of bolt 3, nut 301 is connected with the periphery thread of bolt 3, the both sides of expansion joint body 2 are equipped with a pair of sliding groove 201, the both sides outer wall of expansion joint body 2 is equipped with mounting block 4 below sliding groove 201, the side of mounting block 4 is equipped with " convex " type slot 401, " convex " type block 402 is movably connected in " convex " type slot 401, the side of " convex " type block 402 is equipped with support block 5, the upper end surface of support block 5 is equipped with round block 6, the side of round block 6 is equipped with through slot 601, chamber 501 is equipped in support block 5, compression spring 702 is installed at the bottom of chamber 501, the top end of compression spring 702 is connected with limit block 701, the upper end surface of limit block 701 is equipped with clamping block 7, the top of clamping block 7 extends into through slot 601 by penetrating the top of through slot 601.

[0028] Among them, the intermediate position of expansion joint body 2 inside is equipped with buffer pad 8, buffer pad 8 can play buffering effect when impacting on buffer pad 8 when a pair of cable bridge body 1 move horizontally.

[0029] Among them, the side of the bottom end surface of bolt 3 is equipped with clamping groove 302, the size of clamping block 7 and clamping groove 302 is matched, compression spring 702 is pushed up and inserted into clamping groove 302 by limit block 701 to bolt 3 is fixed.

[0030] Among them, the side of chamber 501 is equipped with movable slot 502, movable slot 502 can limit when cable bridge body 1 moves horizontally on expansion joint body 2.

[0031] Among them, the side of clamping block 7 is equipped with poking block 703, one end of poking block 703 extends to the outside of support block 5 by penetrating the side of movable slot 502, clamping block 7 is moved down into chamber 501 by poking block 703.

[0032] Among them, the size of bolt 3 and sliding groove 201 is matched.

[0033] Among them, the size of bolt 3 and through slot 601 is matched.

[0034] The working principle of the embodiment:

[0035] The worker first places the cable bridge body 1 into the telescopic joint body 2, and then inserts the side with the clamping groove 302 of the locking bolt 3 into the sliding groove 201 and the nut 301, at this time, the clamping block 7 is driven to move downwards into the cavity 501 by the driving block 703, then the nut 301 is rotated, since the nut 301 is threadedly connected with the bolt 3, when the nut 301 is rotated, the one end of the bolt 3 can move into the through groove 601, when the position of the clamping groove 302 moves to the upper side of the clamping block 7, the driving block 703 is loosened, at this time, the clamping block 7 is pushed to move upwards and is inserted into the clamping groove 302 by the limiting block 701 under the action force of the compression spring 702, so that the bolt 3 can be fixed, and then when the cable bridge moves horizontally or vibrates on the telescopic joint due to temperature change, earthquake or other external force, the nut 301 can be effectively prevented from falling off from the bolt 3, and the stability of the connection between the cable bridge body 1 and the telescopic joint body 2 is improved.

[0036] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An anti-vibration cable tray expansion joint device, comprising a cable tray body (1) and an expansion joint body (2), characterized in that: The cable bridge body (1) is provided with a pair of bolts (3) on both sides, the outer periphery of the bolt (3) is provided with a nut (301), both sides of the telescopic joint body (2) are provided with a pair of sliding grooves (201), the outer wall of both sides of the telescopic joint body (2) is provided with a mounting block (4) below the sliding groove (201), one side of the mounting block (4) is provided with a "convex" groove (401), the "convex" groove (401) is movably connected with a "convex" block (402), one side of the "convex" block (402) is provided with a support block (5), the upper end surface of the support block (5) is provided with a circular block (6), one side of the circular block (6) is provided with a through groove (601), the support block (5) is provided with a cavity (501), the bottom of the cavity (501) is provided with a compression spring (702), the top end of the compression spring (702) is connected with a limiting block (701), the upper end surface of the limiting block (701) is provided with a clamping block (7), the top end of the clamping block (7) extends into the through groove (601) through the top of the through groove (601).

2. The seismic cable tray expansion joint apparatus of claim 1, wherein: The telescopic joint body (2) is provided with a buffer pad (8) at the middle position.

3. The seismic cable tray expansion joint apparatus of claim 1, wherein: The bottom end surface of the bolt (3) is provided with a clamping groove (302), the size of the clamping block (7) and the clamping groove (302) is matched.

4. The seismic cable tray expansion joint apparatus of claim 1, wherein: One side of the cavity (501) is provided with a movable groove (502).

5. The seismic cable tray expansion joint apparatus of claim 4, wherein: One side of the clamping block (7) is provided with a push block (703), one end of the push block (703) extends to the outside of the support block (5) through one side of the movable groove (502).

6. The seismic cable tray expansion joint apparatus of claim 1, wherein: The size of the bolt (3) and the sliding groove (201) is matched.

7. The seismic cable tray expansion joint apparatus of claim 1, wherein: The size of the bolt (3) and the through groove (601) is matched.

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