CN212744569U

CN212744569U - Oil cylinder structure of jack

Info

Publication number: CN212744569U
Application number: CN202021106246.4U
Authority: CN
Inventors: 李海峰; 郭金荣
Original assignee: Yancheng Hinos Automation Equipment Co ltd
Current assignee: Yancheng Hinos Automation Equipment Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-19
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a hydro-cylinder structure of top pickaxe, comprising a cylinder body, the outside of cylinder body is provided with the thread line, the top of cylinder body is in the same place with the bottom fixed connection of top urceolus, the top of top urceolus is in the same place with top nut fixed connection. The utility model discloses in, the middle part of cylinder body is provided with first nut, the top of first nut is provided with the gasket, the gasket is used for antiskid, the inside of first nut is provided with the hole, and four hole evenly distributed are in the inside of first nut, reduce the weight of cylinder body, the precision is improved, the top of solid fixed cylinder is in the same place with the bottom fixed connection of first nut, the outside of solid fixed cylinder is provided with the oil inlet, utilize the oil inlet to be the oiling of thread line, make it play lubricated effect, also can play rust-resistant effect of corroding simultaneously, the top of top nut is provided with solid fixed ring, gu fixed ring's inside is in the same place with the bottom fixed connection of ejector pin, fixed ejector pin, prevent skidding, cause the precision.

Description

Oil cylinder structure of jack

Technical Field

The utility model relates to a mechanical equipment prepares technical field, especially relates to a hydro-cylinder structure of top pickaxe.

Background

The tool for jacking the wheel set of the railway vehicle, namely the jacking pickaxe is required to be used in the aspects of maintaining subways or trains and the like, and the wheel set jacking pickaxe (the wheel set is pushed to rotate 90 degrees on the top of the jacking pickaxe) is used for steering the wheel set to 90 degrees when the wheel set is pushed on a track in a workshop; the wheel set ascends to the highest point and rotates for 45 degrees, and then falls back to the lowest point and rotates for 45 degrees; namely, each time the lifting wheel pair rotates by 90 degrees, the 90-degree reversing of a single wheel pair is realized, and the jack is realized through a hydraulic oil cylinder. When the lifting pickaxe ascends to the highest point, a locking device is needed to ensure the safety, the locking device not only prevents the failure of the hydraulic column of the oil cylinder under the load, but also can prevent the hydraulic column from shaking, so that the safety of the lifting pickaxe in use is ensured. In particular to a thread driving oil cylinder with a special structure. The oil cylinder structure of the push pick requires various requirements of driving, locking and lubricating.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an oil cylinder structure with a jack.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an hydro-cylinder structure of top pick, includes cylindric cylinder body, the outside of cylinder body is provided with the thread line, the top of cylinder body is in the same place with the bottom fixed connection of top urceolus, the top of top urceolus is in the same place with top nut fixed connection. The top of top nut is provided with solid fixed ring, gu fixed ring's inside and the bottom fixed connection of ejector pin are in the same place, the top of ejector pin is provided with interior hexagonal groove.

As a further description of the above technical solution:

the bottom of cylinder body has the transition layer, the bottom on transition layer is in the same place with the top fixed connection on smooth layer, the bottom on smooth layer is in the same place with the top fixed connection on dull polish layer.

As a further description of the above technical solution:

the middle part of cylinder body is provided with first nut, the top of first nut is provided with the gasket, the inside of first nut is provided with the hole, and four hole evenly distributed are in the inside of first nut.

As a further description of the above technical solution:

the oil cylinder is characterized in that a fixed cylinder is arranged outside the cylinder body, the top of the fixed cylinder is fixedly connected with the bottom of the first nut, and an oil inlet is formed in the outside of the fixed cylinder.

As a further description of the above technical solution:

the outside lower extreme of cylinder body is provided with the second nut, the inside of second nut is provided with the hole, and four holes evenly distributed are in the inside of second nut.

As a further description of the above technical solution:

the exterior of the thread path is mechanically coupled to the interior of the first nut and the exterior of the thread path is mechanically coupled to the interior of the second nut.

The utility model discloses following beneficial effect has:

1. the utility model discloses, be in the same place at the top of cylinder body and the bottom fixed connection of top urceolus, the outside screw thread line of protection cylinder body prevents to take place the corrosion in the air, and the top of top urceolus is in the same place with top nut fixed connection for fixed cylinder body guarantees the precision.

2. The utility model discloses, be provided with first nut at the middle part of cylinder body, the top of first nut is provided with the gasket, and the gasket is used for antiskid, also prevents simultaneously that the nut from taking place to drop or not hard up in mechanical shaking, and the inside of first nut is provided with the hole, and four hole evenly distributed utilize the hole to reduce the weight of cylinder body, improve the precision in the inside of first nut.

3. The utility model discloses, be provided with the oil inlet in the outside of solid fixed cylinder, utilize the oil inlet for the thread line oiling, make it play lubricated effect, also prevent device's corrosion simultaneously causes the precision to reduce.

Drawings

Fig. 1 is a front view of an oil cylinder structure of a jack according to the present invention;

fig. 2 is a bottom view of the oil cylinder structure of the jack pick provided by the present invention;

fig. 3 is a top view of the oil cylinder structure of the jack provided by the utility model.

Illustration of the drawings:

1. a cylinder body; 2. thread lines; 3. a gasket; 4. a first nut; 5. a fixed cylinder; 6. an oil inlet; 7. a transition layer; 8. a smoothing layer; 9. a top rod; 10. a fixing ring; 11. a top nut; 12. a hole; 13. sanding layer; 14. an inner hexagonal groove; 15. a second nut; 16. a top outer cylinder.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an hydro-cylinder structure of top pick, includes cylinder body 1, and the outside of cylinder body 1 is provided with thread line 2, and the top of cylinder body 1 is in the same place with the bottom fixed connection of top urceolus 16, protects the thread line 2 of the outside of cylinder body 1, and the top of top urceolus 16 is in the same place with top nut 11 fixed connection for fixed cylinder body 1 guarantees the precision.

The bottom of the cylinder body 1 is provided with a transition layer 7, the bottom of the transition layer 7 is fixedly connected with the top of a smooth layer 8, the bottom of the smooth layer 8 is fixedly connected with the top of a frosted layer 13 to facilitate the bottom fixation of the cylinder body 1, the top of a top nut 11 is provided with a fixing ring 10, the inside of the fixing ring 10 is fixedly connected with the bottom of a mandril 9, the mandril 9 is fixed to prevent slipping and reduce precision, the top of the mandril 9 is provided with an inner hexagonal groove 14, the cylinder body 1 is convenient to fix by utilizing the inner hexagonal groove 14, the middle part of the cylinder body 1 is provided with a first nut 4, the top of the first nut 4 is provided with a gasket 3, the gasket 3 is used for preventing slipping, the inside of the first nut 4 is provided with holes 12, and four holes 12 are uniformly distributed in the inside of the first nut 4 to reduce the weight of the cylinder body 1 and improve the precision, the outside of the cylinder body 1 is provided with a fixed cylinder, an oil inlet 6 is arranged outside the fixed cylinder 5, the thread grain 2 is filled with oil by the oil inlet 6, so that the oil can play a role of lubrication, a second nut 15 is arranged at the lower end outside the cylinder body 1, a hole 12 is arranged inside the second nut 15, and the four holes 12 are uniformly distributed in the second nut 15, the cylinder body 1 can be better fixed by the first nut 4 and the second nut 15, thereby providing the accuracy of the machine tool, the exterior of the thread 2 being mechanically coupled with the interior of the first nut 4, the exterior of the thread 2 being mechanically coupled with the interior of the second nut 15, the cylinder body 1 being better fixed by means of the thread 2, and, finally, there is transition layer 7 bottom of cylinder body 1, and the bottom of transition layer 7 is in the same place with the top fixed connection of smooth layer 8, and the bottom of smooth layer 8 is in the same place with the top fixed connection of dull polish layer 13, makes things convenient for the bottom of cylinder body 1 to fix.

The working principle is as follows: firstly, the top of the cylinder body 1 is fixedly connected with the bottom of the top outer cylinder 16 to protect the thread lines 2 outside the cylinder body 1, the top of the top outer cylinder 16 is fixedly connected with a top nut 11 to fix the cylinder body 1 and ensure the precision, the top of the top nut 11 is provided with a fixing ring 10, the inside of the fixing ring 10 is fixedly connected with the bottom of an ejector rod 9 to fix the ejector rod 9 and prevent slipping to cause the reduction of the precision, the top of the ejector rod 9 is provided with an inner hexagonal groove 14 to facilitate the fixation of the cylinder body 1 by utilizing the inner hexagonal groove 14, secondly, the middle part of the cylinder body 1 is provided with a first nut 4, the top of the first nut 4 is provided with a gasket 3, the gasket 3 is used for preventing slipping, the inside of the first nut 4 is provided with holes 12, and four holes 12 are uniformly distributed in the inside of the first nut 4 to reduce the weight of the cylinder body 1 and improve, the top of a solid fixed cylinder 5 is in the same place with the bottom fixed connection of first nut 4, the outside of a solid fixed cylinder 5 is provided with oil inlet 6, utilize oil inlet 6 to be 2 oiling of screw thread line, make it play lubricated effect, the outside lower extreme of cylinder body 1 is provided with second nut 15, the inside of second nut 15 is provided with hole 12, and four hole 12 evenly distributed are in the inside of second nut 15, utilize first nut 4 and second nut 15 can fix cylinder body 1 better, thereby provide the precision of lathe, finally, there is transition layer 7 bottom of cylinder body 1, the bottom of transition layer 7 is in the same place with the top fixed connection of smooth layer 8, the bottom of smooth layer 8 is in the same place with the top fixed connection of dull polish layer 13, make things convenient for the bottom of cylinder body 1 to fix.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an hydro-cylinder structure of top pick which characterized in that: the cylinder body is provided with thread lines on the outer part, the top of the cylinder body is fixedly connected with the bottom of the top outer cylinder, and the top of the top outer cylinder is fixedly connected with a top nut; the top of the top nut (11) is provided with a fixing ring (10), the inside of the fixing ring (10) is fixedly connected with the bottom of the ejector rod (9), and the top of the ejector rod (9) is provided with an inner hexagonal groove (14); the top of top nut is provided with solid fixed ring, gu fixed ring's inside and the bottom fixed connection of ejector pin are in the same place, the top of ejector pin is provided with interior hexagonal groove.

2. The oil cylinder structure of the jack pick according to claim 1, wherein: the bottom of cylinder body (1) has transition layer (7), the bottom of transition layer (7) is in the same place with the top fixed connection of smooth layer (8), the bottom of smooth layer (8) is in the same place with the top fixed connection of dull polish layer (13).

3. The oil cylinder structure of the jack pick according to claim 1, wherein: the middle part of cylinder body (1) is provided with first nut (4), the top of first nut (4) is provided with gasket (3), the inside of first nut (4) is provided with hole (12), and four hole (12) evenly distributed are in the inside of first nut (4).

4. The oil cylinder structure of the jack pick according to claim 1, wherein: the oil cylinder is characterized in that a fixed cylinder (5) is arranged outside the cylinder body (1), the top of the fixed cylinder (5) is fixedly connected with the bottom of the first nut (4), and an oil inlet (6) is arranged outside the fixed cylinder (5).

5. The oil cylinder structure of the jack pick according to claim 1, wherein: the outside lower extreme of cylinder body (1) is provided with second nut (15), the inside of second nut (15) is provided with hole (12), and four holes (12) evenly distributed are in the inside of second nut (15).

6. The oil cylinder structure of the jack pick according to claim 1, wherein: the outer part of the thread line (2) is mechanically connected with the inner part of the first nut (4), and the outer part of the thread line (2) is mechanically connected with the inner part of the second nut (15).