CN213451088U

CN213451088U - Oil cylinder driving structure

Info

Publication number: CN213451088U
Application number: CN202021758265.5U
Authority: CN
Inventors: 曹江涛
Original assignee: Hebei Huafeng Energy Technology Development Co Ltd
Current assignee: Hebei Huafeng Energy Technology Development Co Ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-06-15
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses an oil cylinder driving structure, which comprises a base, an oil cylinder and a limit bracket, wherein the oil cylinder and the limit bracket are rotationally connected with the base; a connecting pin is transversely and fixedly connected to the end part of one side of the telescopic rod of the oil cylinder, which extends out of the cylinder body; the limiting support is provided with a sliding groove, the connecting pin transversely penetrates through the sliding groove, two sides of the position of the sliding groove of the limiting support are respectively and fixedly connected with a limiting switch, and when the telescopic rod of the oil cylinder drives the connecting pin to do reciprocating motion relative to the limiting support along the direction of the sliding groove, the part of the connecting pin extending out of the limiting support can be respectively matched with the two limiting switches and generates feedback signals. The utility model discloses can with the cooperation between two limit switch on the connecting pin spacing support on the telescopic link, and then reach the signal feedback to telescopic link motion stroke, and when the hydro-cylinder sways down on the base, can play the effect of support to the telescopic link with spacing support, prevent that limit switch from damaging because of receiving the striking, and then have the effect of prolonging this limit switch life.

Description

Oil cylinder driving structure

Technical Field

The utility model belongs to the technical field of mechanical tool is relevant, especially, relate to an oil cylinder drive structure.

Background

In the coke oven cart, the smoke guide cart sleeve and other devices, the telescopic rod of the oil cylinder is generally used for connecting the steel wire rope, and the telescopic reciprocating motion of the telescopic rod on the oil cylinder is utilized to realize the lifting and lowering of the steel wire rope. However, when the existing oil cylinder device is used, the oil cylinder swings up and down due to tightness of a steel wire rope, and touches a fixed limit switch, so that the limit switch is damaged and fails.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a cylinder driving structure for solving the technical problems in the prior art.

The oil cylinder driving structure comprises a base and an oil cylinder which is rotationally connected to the base; a connecting pin is transversely and fixedly connected to the end part of the telescopic rod of the oil cylinder, which extends out of the cylinder body; the oil cylinder driving structure further comprises a limiting support, the limiting support is rotationally connected to the base, a sliding groove is formed in the limiting support, the connecting pin transversely penetrates through the sliding groove, limiting switches are fixedly connected to two sides of the position of the sliding groove respectively, the telescopic rod of the oil cylinder drives the connecting pin to move along the direction of the sliding groove relative to the reciprocating motion of the limiting support, and the part, extending out of the limiting support, of the connecting pin can be matched with the two limiting switches respectively and generates feedback signals.

As the preferred scheme of the utility model, spacing support for the flexible pole portion of hydro-cylinder outwards extends the setting.

As the preferred scheme of the utility model, spacing support with the rotation center axle that the base is connected, with the cylinder body of hydro-cylinder with the rotation center axle collineation that the base is connected.

As the utility model discloses an optimized scheme, it has first connecting axle to peg graft on the base, the one end of first connecting axle support lean on in the cylinder body of hydro-cylinder, the other end stretches out spacing support to carry on spacingly with the jump ring.

As the utility model discloses a preferred scheme, peg graft on the base have with the coaxial second connecting axle that sets up of first connecting axle, the second connecting axle stretches into extremely tip in the base support by in the cylinder body of hydro-cylinder.

As the utility model discloses a preferred scheme, the base includes first backup pad, and relative the second backup pad that first backup pad set up, first backup pad reaches the second backup pad is all established to the triangle-shaped structure, just first connecting axle reaches the second connecting axle is located first backup pad reaches the position at second backup pad top place.

As the preferred scheme of the utility model, spacing support is established to the rectangular board.

As the utility model discloses an optimized scheme, limit switch establishes to touch switch, the telescopic link of hydro-cylinder can drive the connecting pin supports respectively and bumps two touch switch to produce feedback signal.

As a preferable aspect of the present invention, the limit switch is a proximity switch.

As the utility model discloses a preferred scheme, telescopic link is stretching out on the hydro-cylinder the tip rigid coupling of cylinder body has the U-shaped link, the connecting pin sets up fixedly the position at the open end place of U-shaped link.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model provides an oil cylinder drive structure, utilize the structure of spacing support, make this oil cylinder drive structure during operation, can drive the slip of connecting pin in the spout on spacing support with the telescopic link, realize and the cooperation between two limit switch of rigid coupling on spacing support, and then reach the signal feedback to telescopic link motion stroke, and when the hydro-cylinder during the downswing on the base, can play the effect of support to the telescopic link with spacing support, prevent that limit switch from damaging because of receiving the striking, and then have the effect of this limit switch life of extension.

Drawings

Fig. 1 is a schematic structural diagram of an oil cylinder driving structure according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the cylinder driving structure according to an embodiment of the present invention.

10, a base; 11. a first support plate; 12. a second support plate; 20. an oil cylinder; 21. a telescopic rod; 211. a U-shaped connecting frame; 22. a cylinder body; 30. a limiting bracket; 31. a chute; 101. a connecting pin; 102. a limit switch; 111. a first connecting shaft; 112. a clamp spring; 113. and a second connecting shaft.

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. 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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and 2, an oil cylinder driving structure according to an embodiment of the present invention includes a base 10, an oil cylinder 20 rotatably connected to the base 10, and a limiting bracket 30.

In the present embodiment, a connecting pin 101 is transversely fixed to the end portion of the telescopic rod 21 of the oil cylinder 20 of the present embodiment, which extends out of the cylinder body 22, and the limit bracket 30 of the present embodiment is rotatably connected to the base 10, wherein a sliding slot 31 is formed in the limit bracket 30, the connecting pin 101 is transversely arranged through the sliding slot 31, and a limit switch 102 is respectively fixed to the limit bracket 30 at both sides of the position of the sliding slot 31. When the telescopic rod 21 of the oil cylinder 20 drives the connecting pin 101 to reciprocate relative to the limit bracket 30 along the direction of the sliding chute 31, the parts of the connecting pin 101 extending out of the limit bracket 30 can be respectively matched with the two limit switches 102 to generate feedback signals. That is, in the stroke of the oil cylinder 20 during the reciprocating motion of the telescopic rod 21, specifically, the connection pin 101 fixed to the telescopic rod 21 and the limit switch 102 fixed to the limit bracket 30 cooperate to perform signal feedback, and the connection pin 101 always reciprocates in the sliding slot 31 of the limit bracket 30, so as to ensure that the limit switch 102 does not collide with the limit switch 102 due to the up-and-down swing of the oil cylinder 20 on the base 10, so that the limit switch 102 does not fail due to collision damage, and further, the service life of the limit switch 102 is prolonged.

The limit bracket 30 of the present embodiment is extended outward relative to the telescopic rod 21 of the oil cylinder 20, so that when the oil cylinder 20 swings up and down relative to the base 10, the limit bracket 30 can be first brought into contact with a supporting table (not shown), and at the same time, the telescopic rod 21 of the oil cylinder 20 can normally drive the connecting pin 101 to reciprocate in the sliding slot 31 of the limit bracket 30, thereby preventing the limit switch 102 from being impacted by the connecting pin 101.

Specifically, the stopper bracket 30 of the present embodiment is configured as a long strip plate.

In the present embodiment, the rotation center axis of the stopper bracket 30 of the present embodiment connected to the base 10 is collinear with the rotation center axis of the cylinder 22 of the oil cylinder 20 connected to the base 10. That is, the plane on which the oil cylinder 20 of the present embodiment is located and the plane on which the limit bracket 30 is located are located on the same plane, and the limit bracket 30 can swing up and down relative to the base 10 simultaneously along with the oil cylinder 20 by the action of the connecting pin 101 on the telescopic rod 21.

Specifically, the base 10 of the present embodiment is inserted with a first connecting shaft 111, one end of the first connecting shaft 111 abuts against the cylinder body 22 of the oil cylinder 20, and the other end extends out of the limiting bracket 30 and is limited by a snap spring 112. That is, the oil cylinder 20 and the limit bracket 30 can be assembled and connected to the base 10 by using the same first connecting shaft 111.

It can be understood that the base 10 of the present embodiment is further plugged with a second connecting shaft 113 coaxially disposed with the first connecting shaft 111, and an end of the second connecting shaft 113 extending into the base 10 abuts against the cylinder 22 of the oil cylinder 20. Specifically, the oil cylinder 20 of the present embodiment can be rotatably connected to the base 10 via the first connecting shaft 111 and the second connecting shaft 113.

In the present embodiment, the base 10 of the present embodiment includes a first support plate 11 and a second support plate 12 provided to face the first support plate 11, the first support plate 11 and the second support plate 12 are both formed in a triangular structure, and the first connecting shaft 111 and the second connecting shaft 113 are provided at positions where the distal ends of the first support plate 11 and the second support plate 12 are located. Needless to say, the base 10 of the present embodiment is not limited to the one shown in the drawings, and those skilled in the art may adopt other configurations for the base 10, which will not be described herein.

As can be seen from the above, the limit switch 102 of the present embodiment can generate a feedback signal in cooperation with the connection pin 101. Therefore, in the present embodiment, the limit switch 102 may be specifically a touch switch, and the telescopic rod 21 of the oil cylinder 20 can drive the connecting pin 101 to respectively touch the two touch switches, and generate the feedback signal. That is, the connecting pin 101 and the limit switch 102 are engaged by abutting against each other and generate a feedback signal. Of course, the limit switch 102 is not limited to the above-mentioned touch switch, and it is obvious to those skilled in the art that the limit switch 102 may be a proximity switch, a micro switch, or the like, and will not be described herein.

In addition, in the oil cylinder 20 of the present embodiment, the U-shaped link 211 is fixed to the end of the extendable rod 21 extending out of the cylinder block 22, and the connecting pin 101 is fixedly provided at a position corresponding to the opening of the U-shaped link 211, thereby achieving the attachment of the connecting pin 101 to the extendable rod 21 of the oil cylinder 20. When the oil cylinder driving structure is used, a steel wire rope (not shown) can be sleeved on the connecting pin 101.

To sum up, the utility model provides an oil cylinder drive structure utilizes the structure of spacing support for this oil cylinder drive structure during operation, can drive the slip of connecting pin spout on spacing support with the telescopic link, realize and the rigid coupling between two limit switch on spacing support, and then reach the signal feedback to telescopic link motion stroke, and when the hydro-cylinder swung down on the base, can play the effect of support to the telescopic link with spacing support, prevent that limit switch from damaging because of receiving the striking, and then have the effect of extension this limit switch life.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An oil cylinder driving structure comprises a base and an oil cylinder which is rotationally connected with the base; the device is characterized in that a connecting pin is transversely and fixedly connected to the end part of one side of the telescopic rod of the oil cylinder, which extends out of the cylinder body; the oil cylinder driving structure further comprises a limiting support, the limiting support is rotationally connected to the base, a sliding groove is formed in the limiting support, the connecting pin transversely penetrates through the sliding groove, limiting switches are fixedly connected to two sides of the position of the sliding groove respectively, the telescopic rod of the oil cylinder drives the connecting pin to move along the direction of the sliding groove relative to the reciprocating motion of the limiting support, and the part, extending out of the limiting support, of the connecting pin can be matched with the two limiting switches respectively and generates feedback signals.

2. The cylinder drive structure according to claim 1, wherein the limit bracket is provided to extend outward with respect to the telescopic rod portion of the cylinder.

3. The cylinder driving structure according to claim 2, wherein the rotation center axis of the limit bracket connected to the base is collinear with the rotation center axis of the cylinder body connected to the base.

4. The oil cylinder driving structure as claimed in claim 3, wherein the base is inserted with a first connecting shaft, one end of the first connecting shaft abuts against the cylinder body of the oil cylinder, and the other end of the first connecting shaft extends out of the limiting bracket and is limited by a snap spring.

5. The oil cylinder driving structure according to claim 4, wherein a second connecting shaft is inserted into the base and is coaxial with the first connecting shaft, and an end of the second connecting shaft extending into the base abuts against the cylinder body of the oil cylinder.

6. The cylinder driving structure according to claim 5, wherein the base includes a first supporting plate and a second supporting plate disposed opposite to the first supporting plate, the first supporting plate and the second supporting plate are both designed to be triangular structures, and the first connecting shaft and the second connecting shaft are disposed at positions where the top ends of the first supporting plate and the second supporting plate are located.

7. The cylinder driving structure according to claim 1, wherein the limit bracket is provided as a long strip plate.

8. The oil cylinder driving structure according to claim 1, wherein the limit switches are touch switches, and the telescopic rod of the oil cylinder can drive the connecting pin to respectively abut against the two touch switches and generate a feedback signal.

9. The cylinder drive structure according to claim 1, wherein the limit switch is provided as a proximity switch.

10. The oil cylinder driving structure according to claim 1, wherein a U-shaped connecting frame is fixedly connected to the end of the telescopic rod extending out of the cylinder body, and the connecting pin is fixedly arranged at the position of the open end of the U-shaped connecting frame.