CN213629418U

CN213629418U - Shock-proof type expansion joint

Info

Publication number: CN213629418U
Application number: CN202022318496.0U
Authority: CN
Inventors: 黄春; 吴崇俊
Original assignee: Jiangsu Huaneng Pipe Industry Co ltd
Current assignee: Jiangsu Huaneng Pipe Industry Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-06
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to an expansion joint equipment technical field especially relates to a shock-proof type expansion joint, include the bellows and run through the pipe of weaving inboard at the bellows, the bellows both sides are equipped with the shock pad, shock pad one side is fixed with the flange connection dish, it has the guide bar to run through between the shock pad, the guide bar both ends are equipped with the stopper, be equipped with damping spring between stopper and the shock pad, damping spring overlaps and establishes on the guide bar, weave the pipe both ends and pass through the lantern ring and install in the shock pad, the multiunit bolt hole has been seted up on the flange connection dish. The utility model discloses an external damping spring avoids the too much bellows of interfering of guide bar to carry out the distance compensation, and inside is equipped with the metal and weaves the pipe, can guarantee the job stabilization nature of expansion joint in intensity for when the bellows possesses the shock attenuation effect, do not destroy the effect of compensation and absorption vibrations.

Description

Shock-proof type expansion joint

Technical Field

The utility model relates to an expansion joint equipment technical field especially relates to a shock-proof type expansion joint.

Background

The expansion joint is a flexible structure arranged on a container shell or a pipeline for compensating additional stress caused by temperature difference and mechanical vibration, has the advantages of reliable work, good performance, compact structure and the like as an elastic compensation element capable of freely extending and contracting, is widely applied to the departments of chemical industry, metallurgy, nuclear energy and the like, is also called a compensator or an expansion joint in the habit, and consists of a corrugated pipe (an elastic element) forming a working main body of the expansion joint and accessories such as an end pipe, a bracket, a flange, a guide rod and the like, the expansion joint utilizes the effective extension and contraction deformation of the corrugated pipe of the working main body of the expansion joint to absorb the size change of the pipeline, the guide pipe, the container and the like caused by expansion and contraction due to heat or compensate the axial, transverse and angular displacement of the pipeline, the guide pipe, the container and the like, and a double-layer expansion joint extends out on the basis of the expansion joint, but the traditional double-layer expansion joint only has the auxiliary supporting effect of an upper lug plate and a lower lug plate, because the pull rod is the metal guide rod to when double-deck expansion joint acted on, and then played the effective flexible deformation that hinders the bellows, lead to double-deck expansion joint's performance decline simultaneously can not effectual shock attenuation and can not effectual assurance buffering.

To sum up, the utility model discloses a design a shock-proof type expansion joint and solve the problem that exists.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a damping type expansion joint.

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

the utility model provides a shock-proof type expansion joint, includes the bellows and runs through the weaving pipe in the bellows inboard, the bellows both sides are equipped with the shock mount, shock mount one side is fixed with flange connection dish, it has the guide bar to run through between the shock mount, the guide bar both ends are equipped with the stopper, be equipped with damping spring between stopper and the shock mount, damping spring overlaps and establishes on the guide bar, weave the pipe both ends and pass through the lantern ring and install in the shock mount, the multiunit bolt hole has been seted up on the flange connection dish.

Preferably, the shock absorption seat is provided with a sliding hole matched with the guide rod

Preferably, the braided tube is a steel wire braided mesh tube.

Preferably, the lantern ring is detachably connected with the braided tube.

Preferably, the shock absorption seat is communicated with the inside of the flange connecting plate.

The utility model has the advantages that:

compared with the prior art, the utility model discloses an external damping spring avoids the too much bellows of interfering of guide bar to carry out the distance compensation, and inside is equipped with the metal and weaves the pipe, can guarantee the job stabilization nature of expansion joint in intensity for when the bellows possesses the shock attenuation effect, do not destroy the effect of compensation and absorption vibrations.

Drawings

Fig. 1 is a schematic front view of a damping type expansion joint of the present invention;

fig. 2 is the utility model provides a front view sectional structure schematic diagram of shock-proof type expansion joint.

In the figure: 1 flange connection dish, 11 slide opening, 12 bolt holes, 2 guide bars, 3 stopper, 4 shock attenuation seats, 5 bellows, 6 damping spring, 7 lantern rings, 8 weave the pipe.

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.

Referring to fig. 1-2, a shock-absorbing expansion joint, including bellows 5 and run through at the inboard weaving pipe 8 of bellows 5, bellows 5 both sides are equipped with damper seat 4, damper seat 4 one side is fixed with flange connection dish 1, it has guide bar 2 to run through between

damper seat

4, 2 both ends of guide bar are equipped with stopper 3, be equipped with damping spring 6 between stopper 3 and the damper seat 4, damping spring 6 cover is established on guide bar 2, weave 8 both ends of pipe and pass through lantern ring 7 and install in damper seat 4, flange connection dish 1 is last to have seted up multiunit bolt hole 12.

In this embodiment, the damping seat 4 is provided with a sliding hole 11 adapted to the guide rod 2, and the guide rod 2 slides in the sliding hole 11 to damp through the damping spring 6.

Specifically, the braided tube 8 adopts a steel wire braided network tube, so that the strength of the expansion joint is improved, and the expansion joint can freely stretch and retract to a certain degree.

Specifically, the lantern ring 7 is detachably connected with the braided tube 8, so that the braided tube 8 is convenient to replace, and the reliability of the expansion joint is ensured.

Specifically, the damper seat 4 communicates with the inside of the flange connection plate 1, facilitating the installation of internal lines or pipes.

In this embodiment, the expansion joint adopts external damping spring 6 to avoid the guide bar 2 too much to interfere bellows 5 and carry out distance compensation, and inside is equipped with metal woven tube 8, can guarantee the job stabilization nature of expansion joint in intensity for when bellows 5 possesses the shock attenuation effect, not destroy the effect of compensation and absorption vibrations.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a shock-proof type expansion joint, includes bellows (5) and runs through at bellows (5) inboard weaving pipe (8), its characterized in that, bellows (5) both sides are equipped with shock attenuation seat (4), shock attenuation seat (4) one side is fixed with flange connection dish (1), it has guide bar (2) to run through between shock attenuation seat (4), guide bar (2) both ends are equipped with stopper (3), be equipped with damping spring (6) between stopper (3) and shock attenuation seat (4), damping spring (6) cover is established on guide bar (2), it installs in shock attenuation seat (4) through lantern ring (7) to weave pipe (8) both ends, multiunit bolt hole (12) have been seted up on flange connection dish (1).

2. The shock-absorbing expansion joint as claimed in claim 1, wherein the shock-absorbing seat (4) is provided with a slide hole (11) adapted to the guide rod (2).

3. A shock absorbing expansion joint according to claim 1, characterized in that said braided tube (8) is a steel wire braided mesh tube.

4. A shock absorbing expansion joint according to claim 1, characterized in that the collar (7) is detachably connected to the braided tube (8).

5. A shock-absorbing expansion joint according to claim 1, characterised in that the shock-absorbing seat (4) communicates with the inside of the flange plate (1).