CN210179154U

CN210179154U - Compound universal hinge type corrugated expansion joint

Info

Publication number: CN210179154U
Application number: CN201920791364.4U
Authority: CN
Inventors: Li Zhang; 张莉
Original assignee: Yixing Maigao Bellows Co Ltd
Current assignee: Yixing Maigao Bellows Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-24
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a compound universal hinge type corrugated expansion joint, which comprises an expansion joint, two balance rings, a hinged plate and a pin shaft, wherein the expansion joint comprises an end pipe and a corrugated pipe, the end pipe is provided with two, the corrugated pipe is arranged between the two end pipes, the balance rings are arranged outside the circumference of the end pipe, and a stabilizing device is arranged between the upper side and the lower side of the two balance rings, the utility model is provided with a stabilizing device which can enable the two balance rings to mutually give a force to each other when the relative angle between the balance rings and the end pipes is changed, so that the balance rings are stable when in operation, a connecting rod and a universal joint are arranged in the stabilizing device, the universal joint can compensate the relative angle change generated between the balance rings and the end pipes, and the connecting rod can prevent the balance rings from generating angle change when the angle of the two balance rings is changed, so that the stabilizing device does not hinder the normal operation of the expansion joint.

Description

Compound universal hinge type corrugated expansion joint

Technical Field

The utility model relates to an expansion joint technical field specifically is an universal hinge type ripple expansion joint of double entry.

Background

The hinge type corrugated pipe expansion joint is mainly applied to various complex pipe systems and compensates the angular displacement of the pipe systems, such as L-shaped pipelines, Z-shaped pipelines, U-shaped pipelines and the like, and is widely applied to industries of petroleum, chemical engineering, steel, metallurgy, machinery, transportation, ships, wharfs, buildings, rubber, papermaking, textile, power and heat networks, pharmacy, medical treatment and the like;

the hinge type bellows expansion joint absorbs angular displacement of a pipeline, a conveying passage, a container or the like in its axial direction due to thermal expansion or contraction by a change in its angle. Usually two or three are used in combination, the compensation amount is in direct proportion to the distance between two products, the advantages are small volume, light weight, the pressure thrust of the products is borne by the hinge component, and the angular hinge corrugated compensator can compensate the angular displacement of the pipeline in any direction;

the balance ring is generally composed of an end pipe, a corrugated pipe, a balance ring, a hinge plate and a pin shaft, when the angle of the end pipe changes, the relative angle of the balance ring changes, and the balance ring is not stable enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an universal hinge type ripple expansion joint of double entry, when aiming at improving among the prior art end pipe angle and changing, the relative angle transform can take place for the compensating ring, the not stable enough problem of compensating ring this moment.

The utility model discloses a realize like this:

the utility model provides a compound universal hinge type ripple expansion joint, includes expansion joint, compensating ring, articulated slab and round pin axle, the expansion joint includes end pipe and bellows, the end pipe is provided with two altogether, and is provided with the bellows between two end pipes, the circumference outside of end pipe is provided with the compensating ring, two all install securing device between the upper and lower side of compensating ring.

Furthermore, the fixing device comprises a universal joint, a connecting rod and mounting seats, the mounting seats are fixed on the inner side of the balance ring, the connecting rod is fixed on one side, close to each other, of each of the two mounting seats, and one end, close to each other, of each of the two connecting rods is connected with the universal joint.

Furthermore, the mounting seat is fixedly connected with the balance ring through bolts.

Furthermore, four side faces of the balance ring are provided with pin shafts, the positions, corresponding to the pin shafts horizontally, of the end pipes are fixed with installation bases, and one end of each hinged plate is connected to the balance ring through the pin shafts.

Furthermore, one end of the hinged plate, which is far away from the pin shaft, is fixed with the mounting base.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model is provided with the stabilizing device, when the relative angle between the balance ring and the end pipe changes, the stabilizing device can enable the two balance rings to mutually give a force to each other, thereby enabling the balance rings to be more stable during operation;

2. set up connecting rod and universal joint in stabilising arrangement, the universal joint can compensate the relative angle change that produces between gimbal and the end pipe, when avoiding the angle of two gimbal to change, the connecting rod hinders it and produces the angle change for stabilising arrangement does not hinder the normal work of this expansion joint.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the securing device of the present invention.

In the figure: 1. an expansion joint; 11. an end tube; 12. a bellows; 2. a balance ring; 3. a securing device; 31. a universal joint; 32. a connecting rod; 33. a mounting seat; 4. a hinge plate; 5. a pin shaft; 6. and (5) installing a base.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

Referring to fig. 1, the compound universal hinge type corrugated expansion joint comprises an expansion joint 1, a balance ring 2, a hinge plate 4 and a pin shaft 5, wherein the expansion joint 1 comprises two end pipes 11 and two corrugated pipes 12, and the corrugated pipes 12 are arranged between the two end pipes 11;

a balance ring 2 is arranged outside the circumference of the end pipe 11, the balance ring 2 is used as a main balance piece, pin shafts 5 are arranged on four side surfaces of the balance ring 2, mounting bases 6 are fixed on the end pipe 11 at positions horizontally corresponding to the pin shafts 5, one end of a hinged plate 4 is connected to the balance ring 2 through the pin shafts 5, one end, far away from the pin shafts 5, of the hinged plate 4 is fixed with the mounting bases 6, the hinged plate 4 can rotate on the pin shafts 5, and the angle of the end pipe 11 can be adjusted;

referring to fig. 1 and 2, a stabilizing device 3 is installed between the upper side and the lower side of two balance rings 2, the stabilizing device 3 includes a universal joint 31, a connecting rod 32 and a mounting seat 33, the mounting seat 33 is fixed on the inner side of the balance rings 2, the mounting seat 33 is fixedly connected with the balance rings 2 through bolts, the connecting rod 32 is fixed on one side of the two mounting seats 33 close to each other, and one end of the two connecting rods 32 close to each other is connected with the universal joint 31, the universal joint 31 is a universal joint capable of realizing universal angle adjustment of the two connecting rods 32, when the angle of the balance rings 2 changes relatively, the angle of the two connecting rods 32 also changes, the universal joint 31 can compensate the angle change, the two connecting rods 32 can connect the two balance rings 2 together, so that the two balance rings 2 can be restricted with each other when in operation, and the operation is more stable.

The working principle is as follows: when the angle of end pipe 11 changes, hinged plate 4 rotates on round pin axle 5, relative angular variation takes place between stabilizer ring 2 and the end pipe 11, two connecting rods 32 adjust self position along with the angular variation of stabilizer ring 2 this moment, and this angular variation can be compensated to universal joint 31, when avoiding the angle of two stabilizer rings 2 to change, connecting rod 32 hinders it and produces angular variation, and two connecting rods 32 can be connected two stabilizer rings 2, can restrict each other when making two stabilizer rings 2 angular variation, so more stable during angular adjustment.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a universal hinge type ripple expansion joint of compound, includes expansion joint (1), compensating ring (2), articulated slab (4) and round pin axle (5), its characterized in that: expansion joint (1) is including end pipe (11) and bellows (12), end pipe (11) are provided with two altogether, and are provided with bellows (12) between two end pipe (11), the circumference outside of end pipe (11) is provided with compensating ring (2), two stabilising arrangement (3) all are installed between the upper and lower side of compensating ring (2).

2. A compound gimbal hinge type bellows expansion joint according to claim 1, wherein the stabilizer (3) comprises a gimbal (31), a connecting rod (32) and a mounting seat (33), the mounting seat (33) is fixed on the inner side of the gimbal (2), the connecting rod (32) is fixed on the side of the two mounting seats (33) close to each other, and the gimbal (31) is connected to the end of the two connecting rods (32) close to each other.

3. A compound universal hinge type bellows expansion joint according to claim 2, wherein the mounting seat (33) is fixedly connected to the gimbal ring (2) by means of bolts.

4. A compound universal hinge type corrugated expansion joint according to claim 1, wherein the balance ring (2) is provided with pin shafts (5) on four sides, the end pipes (11) are fixed with mounting bases (6) at positions horizontally corresponding to the pin shafts (5), and one ends of the hinged plates (4) are connected to the balance ring (2) through the pin shafts (5).

5. A compound universal hinge type bellows expansion joint according to claim 4, wherein the hinge plates (4) are fixed to the mounting base (6) at the end remote from the pin (5).