CN219197769U

CN219197769U - Oil cylinder with oil pipe shockproof fixing device

Info

Publication number: CN219197769U
Application number: CN202222752398.7U
Authority: CN
Inventors: 黄广众; 毛立树; 程超; 杜海江; 范鑫楠
Original assignee: Zhejiang Afante Prec Equipment Mfg Co ltd
Current assignee: Zhejiang Avant Hydraulic Technology Co.,Ltd.
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-06-16
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses an oil cylinder with an oil pipe shockproof fixing device, which comprises an oil pipe and a fixing device, wherein the fixing device comprises a pipe holder and a pipe clamp which are oppositely arranged, the oil pipe is arranged between the pipe clamp and the pipe holder, the pipe clamp and the pipe holder are connected through a fastener, a shock pad corresponding to the pipe clamp and the pipe holder is arranged outside the oil pipe, the shock pad is a rubber pad, the section shape of the rubber pad is concave, an opening is formed in the rubber pad, and the rubber pad is wrapped around the outer circle of the oil pipe. The pipe clamp seat is equipped with two arced faces respectively from top to bottom, and shock pad and last arced face contact, and the pipe clamp seat is installed on the cylinder, and the lower arced face and the cylinder surface of pipe clamp seat adopt fixed connection. The utility model has the advantages that the structure is not easy to fall off; the process is simple, can be disassembled, and is convenient to install and repair; the vibration-proof fixing effect can be achieved.

Description

Oil cylinder with oil pipe shockproof fixing device

Technical Field

The utility model relates to an oil cylinder, in particular to an oil cylinder with an oil pipe shockproof fixing device.

Background

Hydraulic cylinders are key actuators in hydraulic systems, and carry out important operations throughout the engineering plant. The oil cylinder is connected with the whole hydraulic system by a hydraulic pipeline. Under the working state of the whole engineering equipment, the hydraulic pipeline has the conditions of hydraulic impact, equipment vibration and the like. Under severe conditions, the damage such as loose connection of the oil pipe, deformation and even damage of the oil pipe can be caused.

The hydraulic cylinder external hard tube in the prior art mostly depends on an oil tube bracket to solve the problems. The oil pipe passes through the through hole on the oil pipe bracket, the oil pipe bracket and the through hole are fixed together through welding, and then the oil pipe bracket is welded on the cylinder barrel of the hydraulic oil cylinder. However, the structure has the following technical problems that an oil pipe can be burnt out during welding, so that reworking is caused, and the cost is increased; the space position is narrow in the two welding processes, the welding operation is inconvenient, and the welding spots are not firm; if the oil pipe vibrates in the working process of the oil cylinder, a welding seam can be possibly dropped, and serious consequences of abrasion and even damage are generated between the oil pipe and the oil pipe support.

Other fixing devices, for example, an "oil cylinder with oil pipe fixing device" disclosed in chinese patent literature, its publication number "CN210423220U" mentions that an oil pipe is fixed on an oil pipe support by an oil pipe support pressing plate for adjusting tightness, but it has the problems of easy abrasion of a hoop, low service life and high cost, and no damping mechanism, and the oil pipe is easy to loose after being fixed.

Disclosure of Invention

The utility model mainly solves the safety problem brought by the welding process of the oil pipe in the prior art and the problem of vibration generated between the oil pipe and the oil pipe bracket in the using process. The oil cylinder with the oil pipe shockproof fixing device solves the problems in the prior art while preventing the oil pipe from loosening.

The technical problems of the utility model are mainly solved by the following technical proposal:

the utility model provides a take oil pipe shock-proof fixing device's hydro-cylinder, its characterized in that, including oil pipe and fixing device, fixing device includes pipe clamp and the pipe clamp of relative setting, and oil pipe setting is equipped with the shock pad that corresponds pipe clamp and pipe clamp between pipe clamp and pipe clamp, and pipe clamp pass through the fastener and connect.

According to the technical scheme, the oil pipe and the cylinder barrel are integrated through the fixing device, so that the positions are fixed, and falling is prevented; the vibration-absorbing pad outside the oil pipe solves the problem of vibration between the oil pipe and the oil pipe bracket.

Preferably, the pipe clamp seat and the pipe clamp are connected in a contact mode. The pipe clamp seat is equipped with two arcwall faces respectively from top to bottom, and cushion and last arcwall face contact, and the pipe clamp seat is installed on the cylinder, and lower arcwall face and cylinder surface adopt fixed connection. The pipe clamp seat is fixed on the cylinder barrel, and the pipe clamp seat is connected with the cylinder barrel by welding, so that loosening and falling-off caused by vibration of the oil cylinder are avoided.

Preferably, the upper surface of the pipe clamp seat and the lower surface of the pipe clamp are combined to form a cavity for accommodating the oil pipe and the shock pad, so that a gap exists between the oil pipe and the pipe clamp seat, a buffer space is manufactured, and the gap plays a role in buffering and shock absorption when vibration occurs in the working process.

Preferably, the shock pad is made of polyurethane; the rubber cushion wraps the oil pipe, is tubular, is annular in radial section and is provided with an opening; the opening is convenient for the rubber cushion to sleeve the oil pipe, and the oil pipe with different diameters can be adapted.

Preferably, the outer circle of the rubber cushion is provided with an annular groove, the annular groove is filled by the pipe clamp seat and the pipe clamp, the rubber cushion is used as a buffer between the oil pipe and the oil cylinder, the vibration problem of the oil pipe during the operation of the cylinder barrel is relieved, and the vibration brought by a part of the oil cylinder during the operation can be counteracted.

Preferably, the fixing device comprises a plurality of fasteners, and the fixing device is arranged along the axis of the oil pipe. The fastener selects the screw, and pipe clamp upper portion is equipped with a plurality of screw holes, and the lower part is equipped with the arc surface, and this arc surface contacts with the cushion.

Preferably, the height of the oil pipe and the height of the pipe clamp seat can be adjusted, the height of the pipe clamp seat is adapted to the change of the height of the oil pipe, the pipe clamp seat and the pipe clamp can be freely detached, and the pipe clamp seat is convenient to maintain, repair, replace and install.

The beneficial effects of the utility model are as follows:

the pipe clamp seat, the pipe clamp and the shock pad are used to integrate the oil pipe and the cylinder barrel, so that the problem of oil pipe connection is solved, and the oil pipe is not easy to fall off.

The pipe clamp seat is connected with the pipe clamp in a split mode, the height of the pipe clamp seat can be adjusted along with the height of the oil pipe, the process is simple, the pipe clamp seat can be detached, and the pipe clamp seat is convenient to install and repair.

The rubber pad is provided with an opening, can be installed from any part of the oil pipe, is made of polyurethane, and can play a role in vibration prevention and fixation.

Drawings

FIG. 1 is a schematic view of an oil pipe vibration-proof fixing device.

FIG. 2 is a partial schematic view of the oil pipe vibration-proof fixing device of the present utility model.

FIG. 3 is a cross-sectional view of the oil pipe vibration-proof fixing device of the present utility model.

In the figure, a cylinder barrel 1, an oil pipe 2, a rubber pad 3, a pipe clamp seat 4, a pipe clamp 5 and a hexagon socket head cap screw 6.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description.

The embodiment shown in fig. 1, 2 and 3 is an oil cylinder with an oil pipe shockproof fixing device, which comprises a cylinder barrel 1 and an oil pipe 2, a pipe clamp seat 4 is arranged between the cylinder barrel and the oil pipe, and the upper part and the lower part of the pipe clamp seat 4 are provided with two arc surfaces. The arc lower surface is connected to the surface of the cylinder barrel in a fitting way, and is fixedly connected with the cylinder barrel. And after the position adjustment is finished, the cylinder barrel is welded, a plurality of threaded holes are formed in the pipe clamp seat 4, the threaded holes are positioned above the pipe clamp seat, and the threaded holes are symmetrically arranged in two rows along the axis of the oil pipe 2. The rubber cushion 3, the pipe clamp seat 4, the pipe clamp 5 and the fastening piece 6 are arranged along the axis of the oil pipe 2. The pipe clamp seat 4 and the pipe clamp 5 are connected together through the hexagon socket head cap screw 6, and detachable connection is adopted. When the parts are damaged, the repair and replacement are convenient, only the detachable connection is required to be released, in addition, the universality of the equipment is also improved, the tightness of bolts and nuts can be adjusted according to the requirements, and the oil pipes 2 with different calibers are adapted.

The two semicircular holes of the pipe clamp seat 4 and the pipe clamp 5 form a circular through hole. A circle of ring grooves are dug on the surface of the rubber cushion 3, and the peripheries of the ring grooves are filled with the pipe clamp seat 4 and the pipe clamp 5. The rubber cushion 3 is used for sleeving the oil pipe 2, so that the oil pipe can be fixed between the pipe clamp and the pipe clamp seat, the oil pipe cannot axially move, the rubber cushion 3 is provided with an opening, and the oil pipe can be conveniently sleeved outside the oil pipe 2 during installation. The oil pipe 2 and the rubber cushion 3 are arranged between the pipe clamp and the pipe clamp seat, and then the hexagon socket head cap screw 6 is screwed down, and all the components are integrally fixed on the oil cylinder.

When the hydraulic system works, the hydraulic pipeline has the conditions of hydraulic impact, equipment vibration and the like, and the pipe clamp seat 4 is connected with the pipe clamp 5 through six hexagon socket head screws, so that the possibility of falling off of the oil pipe 2 is reduced to a certain extent; the cylinder 1 and the pipe clamp seat 4 which are connected through welding, and the pipe clamp seat 4 and the pipe clamp 5 which are connected through the hexagon socket head cap screw are connected, so that the oil pipe 2 and the cylinder 1 are connected into a detachable whole, when equipment vibrates, the oil pipe 2 is fixed on the cylinder 1, the possibility that the oil pipe 2 falls off is further avoided, the rubber pad is soft, the buffering effect can be achieved, the influence of the vibration of the equipment on the oil pipe 2 is reduced, and the damage caused by the collision of the oil pipe 2 is also prevented. The pipe clamp seat 4 is welded on the cylinder barrel 1, so that welding stress is prevented from being generated on the cylinder barrel 1, the oil pipe is prevented from being deformed, and the leakage problem is avoided.

When the oil pipe needs to be replaced, only the hexagon socket head cap screw between the pipe clamp seat 4 and the pipe clamp 5 needs to be taken down, and the disassembly is convenient. The universality of the equipment is improved by using the screw connection, and the device can be suitable for oil pipes and cylinder barrels with different calibers.

Claims

1. The utility model provides a take oil pipe shock-proof fixing device's hydro-cylinder, its characterized in that, including oil pipe and fixing device, fixing device includes pipe clamp and the pipe clamp of relative setting, and oil pipe setting is equipped with the shock pad that corresponds pipe clamp and pipe clamp between pipe clamp and pipe clamp, and pipe clamp pass through the fastener and connect.

2. The cylinder with the oil pipe shockproof fixing device according to claim 1, wherein the pipe clamp seat is in contact connection with the pipe clamp through a fastener, two arc-shaped surfaces are respectively arranged on the upper side and the lower side of the pipe clamp seat, the shock pad is in contact with the upper arc-shaped surface, the pipe clamp seat is arranged on the cylinder barrel, and the lower arc-shaped surface of the pipe clamp seat is fixedly connected with the surface of the cylinder barrel.

3. The cylinder with shock mount for oil tube of claim 1, wherein the upper surface of the tube holder and the lower surface of the tube holder combine to form a cavity for receiving the oil tube and the shock pad.

4. The cylinder with the oil pipe shockproof fixing device according to claim 3, wherein the shock pad is a rubber pad, the rubber pad is tubular in shape, and the rubber pad is annular in radial section and provided with an opening.

5. The cylinder with the oil pipe vibration-proof fixing device according to claim 4, wherein the outer circle of the rubber pad is provided with a ring groove.

6. The cylinder with oil pipe shockproof fixing device according to claim 1 or 2, wherein the fixing device comprises a plurality of fasteners, the fixing device is provided with a plurality of fasteners along the axis of the oil pipe, the fasteners are screws, the upper part of the pipe clamp is provided with a plurality of threaded holes, and the lower part of the pipe clamp is provided with an arc-shaped surface, and the arc-shaped surface is in contact with the rubber pad.

7. The cylinder with anti-vibration fixing device for oil pipe according to claim 1, wherein the height of the oil pipe and the height of the pipe holder can be adjusted, and the height of the pipe holder is adapted to the change of the height of the oil pipe.