CN213176227U

CN213176227U - Integral electro-hydraulic push rod

Info

Publication number: CN213176227U
Application number: CN202021777084.7U
Authority: CN
Inventors: 刘宇
Original assignee: Yangzhou Zhongeurope Machinery Equipment Co ltd
Current assignee: Yangzhou Zhongeurope Machinery Equipment Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-11
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to an integral electro-hydraulic push rod, including the gear pump by motor drive, be connected by the shaft coupling between motor and the gear pump, be connected with the piston rod through the shaft coupling on the gear pump, the outside of piston rod is equipped with the cylinder body rather than sliding connection, the cylinder body passes through the connecting cylinder and is connected with the gear pump shell, the detachable is connected with the motor shell on the gear pump shell, the inner wall of cylinder body is equipped with a plurality of spacing guide rails rather than integrated into one piece and with the joint seat matched with on the piston rod, the top of connecting cylinder is equipped with the air cleaner rather than being linked together; the utility model discloses a thereby motor drive gear pump work drives the piston rod motion and stretches out and draws back, realizes the work of electro-hydraulic push rod, because joint seat and spacing guide rail cooperation can avoid the piston rod to take place the skew at the during operation to lead to taking place the friction between piston rod and the cylinder body, influence the leakproofness of cylinder body, also influence the even running of electro-hydraulic push rod simultaneously.

Description

Integral electro-hydraulic push rod

Technical Field

The utility model relates to an electricity liquid moves push rod technical field, especially relates to an integral electricity liquid moves push rod.

Background

The electro-hydraulic push rod is a driving device for reciprocating linear motion, is suitable for moving objects in any direction and clamping workpieces and the like, can perform remote centralized control on the action of high altitude and dangerous areas, is widely applied to industries such as metallurgy, electric power, chemical industry, coal, mines, machinery, grain, water conservancy, building materials, transportation, ports and wharfs, and is a universal power source. The existing electro-hydraulic push rod has the problems of complex pipeline system, large investment, many leakage points, unstable operation, inflexible configuration and the like, and cannot meet the actual use requirement. To this end, we propose an integral electro-hydraulic push rod.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above problem that prior art exists, provide an integral electric hydraulic ram.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the utility model provides an integral electric hydraulic push rod, includes by motor drive's gear pump, by coupling joint between motor and the gear pump, there is the piston rod through coupling joint on the gear pump, the outside of piston rod is equipped with rather than sliding connection's cylinder body, the cylinder body passes through the connecting cylinder and is connected with the gear pump shell, detachable is connected with motor housing on the gear pump shell, the inner wall of cylinder body be equipped with a plurality ofly rather than integrated into one piece and with the piston rod on joint seat matched with limit guide, the top of connecting cylinder is equipped with rather than the air cleaner who is linked together.

Further, motor housing includes the barrel of fretwork, the tip of barrel is equipped with rather than integrated into one piece's mounting disc, the annular with gear pump shell on snap ring matched with is seted up on the surface of mounting disc, through a plurality of screw connections between snap ring and the mounting disc.

Furthermore, the joint seat is including being fixed in the solid fixed ring on the piston rod, gu be equipped with on the fixed ring a plurality of rather than integrated into one piece and with spacing guide rail matched with strip that slides.

Furthermore, a sealing ring is fixedly arranged on the piston rod close to the contact part of the tail end of the piston rod and the cylinder body.

Further, air cleaner is including being fixed in the filter barrel on the connecting cylinder, the top net is installed to the top detachable of filter barrel, and the bottom fixed mounting of filter barrel has the end net, and the filter core has been placed to the inside of filter barrel.

Further, the top net comprises a net ring clamped at the top of the filter cylinder body, and a net body is fixedly mounted inside the net ring.

Further, the filter element comprises a cylinder-shaped framework with a closed bottom and a plurality of through holes in the side wall, and a filter layer is fixedly arranged outside the cylinder-shaped framework.

The utility model discloses a thereby motor drive gear pump work drives the piston rod motion and stretches out and draws back, realize the work of electro-hydraulic push rod, because joint seat and spacing guide cooperation, can avoid the piston rod to take place the skew at the during operation, thereby lead to taking place the friction between piston rod and cylinder body, influence the leakproofness of cylinder body, also influence the even running of electro-hydraulic push rod simultaneously, motor housing can dismantle with the gear pump shell and be connected, conveniently dismantle and maintain, air cleaner's setting, can be with the impurity filtering in the air, avoid the work of the impurity entering cylinder body internal influence cylinder body in the air.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

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

FIG. 2 is an exploded view of the structure of FIG. 1 in accordance with the present invention;

FIG. 3 is an exploded view of a portion of the structure of FIG. 2 in accordance with the present invention;

fig. 4 is a schematic view of another angle of fig. 3 according to the present invention;

FIG. 5 is an exploded view of the air cleaner of the present invention;

fig. 6 is a schematic view of another angle of the present invention shown in fig. 5.

The reference numbers in the figures illustrate: 1-cylinder, 2-mounting plate, 3-net, 4-net, 5-filter, 6-cylinder, 7-sealing ring, 8-piston rod, 9-connecting cylinder, 10-gear pump shell, 11-screw, 12-limit guide rail, 13-sliding strip, 14-fixing ring, 15-coupler, 16-gear pump, 17-motor, 18-ring groove, 19-snap ring, 20-cylinder type framework, 21-through hole, 22-filter layer and 23-bottom net.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 6, this embodiment provides an integral electric hydraulic push rod, include by motor 17 driven gear pump 16, be connected by coupling 15 between motor 17 and the gear pump 16, be connected with piston rod 8 through coupling 15 on the gear pump 16, piston rod 8's outside is equipped with rather than sliding connection's cylinder body 6, cylinder body 6 passes through connecting cylinder 9 and is connected with gear pump shell 10, detachable is connected with motor shell on the gear pump shell 10, the inner wall of cylinder body 6 be equipped with a plurality ofly rather than integrated into one piece and with piston rod 8 on joint socket matched with limit rail 12, the top of connecting cylinder 9 is equipped with rather than the air cleaner who is linked together.

Thereby it is flexible to drive the motion of piston rod 8 through 16 work of motor 17 drive gear pump, realize the work of electro-hydraulic push rod, because joint seat and spacing guide 12 cooperate, can avoid piston rod 8 to take place the skew at the during operation, thereby lead to taking place the friction between piston rod 8 and cylinder body 6, influence the leakproofness of cylinder body 6, also influence the even running of electro-hydraulic push rod simultaneously, motor housing can dismantle with gear pump shell 10 and be connected, conveniently dismantle and maintain, air cleaner's setting, can be with the impurity filtering in the air, avoid the work of influence cylinder body 6 in the impurity entering cylinder body 6 in the air.

Preferably, motor housing includes the barrel 1 of fretwork, the tip of barrel 1 is equipped with rather than integrated into one piece's mounting disc 2, the annular 18 with snap ring 19 matched with on the gear pump shell 10 is seted up on the surface of mounting disc 2, be connected through a plurality of screws 11 between snap ring 19 and the mounting disc 2.

The clamping ring 19 is connected with the mounting disc 2 through the screw 11, so that the dismounting is convenient, the motor shell is the hollow cylinder body 1, the heat dissipation of the motor 17 is facilitated, and the service life of the motor 17 is prolonged.

Preferably, the clamping seat comprises a fixing ring 14 fixed on the piston rod 8, and the fixing ring 14 is provided with a plurality of sliding strips 13 which are integrally formed with the fixing ring and matched with the limiting guide rails 12.

The sliding strip 13 is in sliding connection with the limiting guide rail 12 in a matched mode, the piston rod 8 cannot deviate in working, and the electro-hydraulic rod runs stably.

Preferably, a sealing ring 7 is fixedly arranged on the piston rod 8 near the contact part of the tail end of the piston rod and the cylinder body 6.

The sealing ring 7 is arranged to enhance the sealing performance between the cylinder 6 and the piston rod 8.

Preferably, the air filter comprises a filter cylinder body 5 fixed on the connecting cylinder 9, a top net is detachably mounted at the top of the filter cylinder body 5, a bottom net 23 is fixedly mounted at the bottom of the filter cylinder body 5, and a filter element is placed in the filter cylinder body 5.

Preferably, the top net comprises a net ring 4 clamped at the top of the filter cylinder 5, and a net body 3 is fixedly mounted inside the net ring 4.

Preferably, the filter element comprises a cylinder-shaped framework 20 with a closed bottom and a plurality of through holes 21 on the side wall, and a filter layer 22 is fixedly arranged outside the cylinder-shaped framework 20.

Air enters the filter cylinder body 5 from the net body 3, is discharged from the through holes 21 on the side wall of the filter cylinder body through the cylinder-shaped framework 20 and then is filtered by the filter layer 22, and the filtered air is discharged into the connecting cylinder 9 from the bottom net 23 and then enters the cylinder body 6, so that the air is prevented from being directly discharged from the bottom net 23 after entering from the net body 3 and influencing the filtering effect.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides an integral electro-hydraulic push rod, includes the gear pump by motor drive, its characterized in that: the motor and the gear pump are connected through a coupler, a piston rod is connected to the gear pump through a coupler, a cylinder body which is connected with the piston rod in a sliding mode is arranged outside the piston rod, the cylinder body is connected with a gear pump shell through a connecting cylinder, the motor shell is detachably connected to the gear pump shell, a plurality of limiting guide rails which are integrally formed with the cylinder body and matched with the clamping seats on the piston rod are arranged on the inner wall of the cylinder body, and an air filter which is communicated with the connecting cylinder is arranged at the top of the connecting cylinder.

2. The integrated electro-hydraulic push rod of claim 1, wherein: the motor housing comprises a hollow barrel body, the end portion of the barrel body is provided with an installation disc integrally formed with the barrel body, an annular groove matched with a clamping ring on the gear pump housing is formed in the surface of the installation disc, and the clamping ring is connected with the installation disc through a plurality of screws.

3. The integrated electro-hydraulic push rod of claim 1, wherein: the clamping seat comprises a fixing ring fixed on the piston rod, and a plurality of sliding strips which are integrally formed with the fixing ring and matched with the limiting guide rails are arranged on the fixing ring.

4. The integrated electro-hydraulic push rod of claim 3, wherein: and a sealing ring is fixedly arranged on the piston rod close to the contact part of the tail end of the piston rod and the cylinder body.

5. The integrated electro-hydraulic push rod of claim 1, wherein: the air filter comprises a filter barrel fixed on the connecting barrel, a top net is detachably mounted at the top of the filter barrel, a bottom net is fixedly mounted at the bottom of the filter barrel, and a filter element is placed in the filter barrel.

6. The integrated electro-hydraulic push rod of claim 5, wherein: the top net comprises a net ring clamped at the top of the filter cylinder body, and a net body is fixedly arranged inside the net ring.

7. The integrated electro-hydraulic push rod of claim 5, wherein: the filter core includes that the bottom is confined and the lateral wall is equipped with the barrel-shaped skeleton of a plurality of through-holes, the outside fixed mounting of barrel-shaped skeleton has the filter layer.