CN215343749U

CN215343749U - Reducing curved connecting piece that cable bridge used

Info

Publication number: CN215343749U
Application number: CN202121038673.8U
Authority: CN
Inventors: 樊金龙; 张国兴
Original assignee: Hebei Lisen Cable Bridge Co ltd
Current assignee: Hebei Lisen Cable Bridge Co ltd
Priority date: 2021-05-16
Filing date: 2021-05-16
Publication date: 2021-12-28
Anticipated expiration: 2031-05-16

Abstract

The utility model relates to the technical field of cable bridges, in particular to a reducing curved-through connecting piece for cable bridges, which comprises the reducing curved-through connecting piece, wherein one end of the reducing curved-through connecting piece is fixedly welded with a limiting plate, the other end of the reducing curved-through connecting piece is fixedly welded with a limiting block, the upper end of the limiting plate is integrally provided with a fixed block, the fixed block is provided with a pin hole, the limiting blocks are two, the upper ends of the two limiting blocks are fixedly welded with a bracket, the upper end of the bracket is integrally provided with a fixed block, after the cable bridge and the reducing curved-through connecting piece are connected by a screw, an auxiliary fastening device is arranged at the joint of the connecting block, a lower pressing block downwards presses the cable bridge under the action of a spring, the spring on the lower pressing block is in a compression state, the spring generated by the spring acts on the lower pressing block, the lower pressing block presses the cable bridge more compactly, and plays a role of fastening the cable bridge and the reducing curved-through connection not only shares the stress of the screw, and the connection between the two is more firm.

Description

Reducing curved connecting piece that cable bridge used

Technical Field

The utility model relates to the technical field of cable bridges, in particular to a reducing elbow connecting piece for a cable bridge.

Background

The cable bridge is an indispensable supporting component when a cable is laid, but the cable bridge is influenced by the surrounding environment when being arranged, so that all the cable bridges are not the same in size, the cable bridges with different sizes are required to be connected together, and the direction of the cable is not always along the same direction when being actually laid, so that the different-diameter bent-through connecting piece is required when being arranged, but the different-diameter bent-through connecting piece in the prior art is locked and connected through the screw when being connected with the bridge, so that the stress is on the screw, other fastening devices are not provided, and the screw is easy to loosen after being influenced by the external environment for a long time, so that the connection between the bridge and the different-diameter bent-through connecting piece is not fastened and the separation between the bridge and the different-diameter bent-through connecting piece is easy to occur, causing damage to the cable or injury to the personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reducing elbow connector for cable bridging, which solves the problems in the prior art.

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

the utility model provides a reducing curved connecting piece that cable bridge used, includes reducing curved connecting piece, the one end welded fastening of reducing curved connecting piece has the limiting plate, and other end welded fastening has a stopper, the upper end integrated into one piece of limiting plate is provided with the fixed block, the pinhole has been seted up on the fixed block, the stopper is the upper end welded fastening of two and two stoppers has the support, the upper end integrated into one piece of support is provided with the fixed block, the pinhole has been seted up on the fixed block, the grafting has elastic fixing device in the pinhole, elastic fixing device's partly salient of front end is between two fixed blocks, the through-hole has been seted up on support and the limiting plate, and has spliced in the through-hole has closing device, closing device pastes with the tight looks of crane span structure under operating condition.

Preferably, the elastic fixing device is an elastic pin, the elastic pin is inserted into the pin hole and consists of a cylindrical pin and an elastic strip, the cylindrical pin extends out of a part of the pin hole and is located between the fixing blocks, the elastic strip is fixedly welded at the rear end of the cylindrical pin, and the threaded column is fixedly welded at the rear end of the elastic strip.

Preferably, the elastic strip is an S-shaped elastic strip, and the width and the height of the elastic strip are slightly smaller than the diameter of the pin hole.

Preferably, closing device is for pressing down the cover and pressing down the briquetting, it is in the lower extreme of fixed block to press down the cover, and sets up threaded hole on its upper end, and threaded connection has stud in the threaded hole, the last second spring that has cup jointed of stud, and upper end threaded connection has the locking piece.

Preferably, the lower end of the lower pressing sleeve is provided with a telescopic hole, a first spring is inserted in the telescopic hole, the first spring is sleeved on the guide rod, the guide rod is fixedly arranged on the lower pressing block, and the lower pressing block is sleeved with the protection device.

Preferably, the protection device is a rubber sleeve which is sleeved on the lower pressing block, a plurality of curved surface convex blocks are integrally formed at the lower end of the rubber sleeve, and the curved surface convex blocks are in contact with the bridge frame in the working state.

Preferably, both sides of the lower end of the locking block are arc-shaped, the surface of the locking block is smooth and free of burrs, and the locking block is located at the lower end of the elastic pin in a working state.

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

1. after carrying out the screw connection with crane span structure and reducing curved expert connecting piece, be provided with supplementary fastener in its junction, lower briquetting down compresses tightly the crane span structure under the effect of spring, and the spring on the briquetting is in compression state down this moment for the elasticity effect that the spring produced is on lower briquetting, then lower briquetting is more compact with the crane span structure pressure, plays the atress that not only shared the screw of fastening crane span structure and reducing curved expert connection's effect, and makes connection between the two more firm.

2. The lower extreme of briquetting has cup jointed the effect that the rubber sleeve played the buffering on the one hand and has avoided the surface crushing with the crane span structure, and on the other hand has increased and has avoided taking place to slide with better the pressure of briquetting on the crane span structure down with the friction between the crane span structure.

Drawings

FIG. 1 is an exploded view of a reducing elbow connector;

FIG. 2 is a schematic structural view of the spring pin;

fig. 3 is a schematic structural view of the rubber sleeve.

In the figure: the special-diameter curved connecting piece comprises a reducing curved connecting piece 1, a limiting plate 2, a limiting block 3, a support 4, a fixing block 5, a pin hole 6, a lower pressing sleeve 7, a first spring 8, a lower pressing block 9, a rubber sleeve 10, a locking block 11, an elastic pin 12, a stud 13, a second spring 14, a cylindrical pin 15, an elastic strip 16 and a curved surface convex block 17.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution:

a reducing curved connection piece for a cable bridge comprises a reducing curved connection piece 1, wherein one end of the reducing curved connection piece 1 is fixedly welded with a limiting plate 2, the other end of the reducing curved connection piece is fixedly welded with a limiting block 3, the upper end of the limiting plate 2 is integrally formed with a fixing block 5, the fixing block 5 is provided with pin holes 6, the limiting blocks 3 are two, brackets 4 are fixedly welded on the upper ends of the two limiting blocks 3, the upper end of each bracket 4 is integrally formed with the fixing block 5, the fixing block 5 is provided with pin holes 6, an elastic fixing device is inserted in each pin hole 6 and is an elastic pin 12, each elastic pin 12 is inserted in each pin hole and consists of a cylindrical pin 15 and an elastic strip 16, each cylindrical pin 15 extends out of one part of the pin holes 6 and is positioned between the fixing blocks 5, the rear end of each cylindrical pin 15 is fixedly welded with an elastic strip 16, the rear end of each elastic strip 16 is fixedly welded with a threaded column, and each elastic strip 16 is an S-shaped elastic strip, and the width and the height of the elastic strip 16 are slightly smaller than the diameter of the pin hole 6, and the threaded column is in threaded connection with the pin hole 6 and is fixedly connected with the pin hole 6.

A part of the front end of the elastic fixing device protrudes between the two fixing blocks 5, through holes are arranged on the bracket 4 and the limiting plate 2, a pressing device is inserted in the through holes, the pressing device is tightly adhered to the bridge frame under the working state and comprises a lower pressing sleeve 7 and a lower pressing block 9, the lower pressing sleeve 7 is positioned at the lower end of the fixing block 5, the upper end of the lower pressing sleeve is provided with a threaded hole, a stud 13 is connected in the threaded hole in a threaded manner, the stud 13 is inserted in the through hole on the bracket 4 or the limiting plate 2, the lower pressing sleeve 7 is positioned at the lower end of the bracket 4, the lower pressing sleeve 7 on the limiting plate 2 is positioned at the lower end of the through hole on the limiting plate 2, a second spring 14 is sleeved on the stud 13, the second spring 14 is positioned between the locking block 11 and the upper port of the through hole, the diameter of the second spring is larger than that of the through hole, the upper end of the locking block 11 is connected in a threaded manner, and the two sides of the lower end of the locking block 11 are in an arc shape, the surface is smooth and burr-free, and is positioned at the lower end of the elastic pin 12 in a working state.

The lower extreme of pushing down cover 7 has seted up the concertina hole, and the pegging graft has first spring 8 in the concertina hole, first spring 8 cup joints on the guide bar, and the guide bar is fixed to be set up on briquetting 9 down, and the both ends of first spring 8 weld respectively in the bottom in concertina hole and the upper end of briquetting 9 down, it is rubber sleeve 10 to have cup jointed protection device and protection device on briquetting 9 down, rubber sleeve 10 cup joints on briquetting 9 down, and the lower extreme integrated into one piece of rubber sleeve 10 is provided with a plurality of curved surface lugs 17, curved surface lug 17 contacts with the crane span structure under operating condition.

The working principle is as follows: when the utility model works, after the bridge and the reducing elbow connecting piece 1 are fixed by screws, the locking block 11 is pressed downwards at the moment and is abutted against the cylindrical pin 15, because the lower end of the locking block 11 is a circular arc surface, the locking block 11 and the cylindrical pin 15 are easy to slide relatively, because the cylindrical pin 15 is fixed in the pin hole 6 by threads and the rear end of the cylindrical pin 15 is provided with the elastic strip 16, the elastic strip 16 is compressed by the extrusion of the locking block 11 and is retracted into the pin hole 6, so that the locking block 11 moves downwards smoothly until the cylindrical pin 15 is crossed, the cylindrical pin 15 is outwards ejected and clamped on the upper end surface of the locking block 11 under the action of the elastic strip 16 so as not to move upwards, at the moment, the second spring 14 is in a compressed state, and the pressing sleeve 7 moves downwards along with the downward movement of the locking block 11, so that the pressing block 9 moves downwards and is pressed on the bridge, the first spring 8 is in a compressed state under the bidirectional extrusion of the lower pressing block 9 and the lower pressing sleeve 7, so that the lower pressing block 9 is more tightly pressed on the bridge frame under the elastic force of the first spring 8, the effect of assisting in fixing the bridge frame is achieved, the stress of the screw is shared, the screw is not easy to loosen, the connection between the bridge frame and the reducing curved-through connecting piece 1 is firmer, the rubber sleeve 10 is sleeved at the lower end of the lower pressing block 9, the bridge frame can be protected from being crushed, the friction force between the curved surface convex block 17 on the rubber sleeve 10 and the bridge frame is increased, so that the bridge frame cannot be compressed better in relative sliding, when the bridge frame needs to be disassembled, the locking block 11 is rotated to be perpendicular to the direction of the elastic pin 12, so that the cylindrical pin 15 cannot be clamped at the upper end of the locking block 11, and the locking block 11 rises under the effect of the second spring 14, the lower pressing sleeve 7 rises, the lower pressing block 9 also rises, the bridge is released, the bridge can be detached when the screw is loosened, and the device is very convenient and practical.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reducing curved connecting piece that cable bridge used, includes reducing curved connecting piece (1), its characterized in that: one end of the reducing elbow connecting piece (1) is fixedly welded with a limiting plate (2), the other end is fixedly welded with a limiting block (3), the upper end of the limiting plate (2) is integrally provided with a fixed block (5), the fixed block (5) is provided with a pin hole (6), the two limiting blocks (3) are provided, the upper ends of the two limiting blocks (3) are fixedly welded with the bracket (4), the upper end of the bracket (4) is integrally provided with a fixed block (5), the fixed block (5) is provided with a pin hole (6), an elastic fixing device is inserted in the pin hole (6), a part of the front end of the elastic fixing device protrudes between the two fixing blocks (5), through holes are arranged on the bracket (4) and the limiting plate (2), and a pressing device is inserted in the through hole and tightly attached to the bridge frame in a working state.

2. The reducing elbow connector for cable bridges of claim 1, wherein: the elastic fixing device is an elastic pin (12), the elastic pin (12) is inserted in the pin hole, the elastic pin (12) is composed of a cylindrical pin (15) and elastic strips (16), the cylindrical pin (15) extends out of a part of the pin hole (6) and is located between the fixing blocks (5), the elastic strips (16) are fixedly welded at the rear end of the cylindrical pin (15), and threaded columns are fixedly welded at the rear end of the elastic strips (16).

3. The reducing elbow connector for cable bridges of claim 2, wherein: the elastic strip (16) is an S-shaped elastic strip, and the width and the height of the elastic strip (16) are slightly smaller than the diameter of the pin hole (6).

4. The reducing elbow connector for cable bridges of claim 1, wherein: the pressing device is characterized in that the pressing device is a pressing sleeve (7) and a pressing block (9), the pressing sleeve (7) is located at the lower end of the fixing block (5), a threaded hole is formed in the upper end of the pressing sleeve, a stud (13) is connected to the threaded hole in a threaded mode, a second spring (14) is sleeved on the stud (13), and a locking block (11) is connected to the upper end of the stud in a threaded mode.

5. The reducing elbow connector for cable bridges of claim 4, wherein: the lower end of the lower pressing sleeve (7) is provided with a telescopic hole, a first spring (8) is inserted in the telescopic hole, the first spring (8) is sleeved on the guide rod, the guide rod is fixedly arranged on the lower pressing block (9), and the lower pressing block (9) is sleeved with a protection device.

6. The reducing elbow connector for cable bridges of claim 5, wherein: the protection device is a rubber sleeve (10), the rubber sleeve (10) is sleeved on the lower pressing block (9), a plurality of curved surface convex blocks (17) are integrally formed at the lower end of the rubber sleeve (10), and the curved surface convex blocks (17) are in contact with the bridge frame in the working state.

7. The reducing elbow connector for cable bridges of claim 4, wherein: the two sides of the lower end of the locking block (11) are arc-shaped, the surface is smooth and burr-free, and the locking block is positioned at the lower end of the elastic pin (12) in a working state.