CN216788558U

CN216788558U - Cylinder protection casing for rail vehicle

Info

Publication number: CN216788558U
Application number: CN202122862267.XU
Authority: CN
Inventors: 梁子斌
Original assignee: Qingdao Weiaotong Automation System Co ltd
Current assignee: Qingdao Weiaotong Automation System Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-21
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a cylinder protective cover for a rail vehicle, which comprises a cylinder shell, wherein a piston rod shell is arranged at the top of the cylinder shell, the bottom end of the piston rod shell is arranged in a through hole formed in the top of the cylinder shell, a plurality of pulleys are arranged outside the piston rod shell, fixing mechanisms are arranged in the middle of two sides of the cylinder shell and two sides of the top end of the piston rod shell respectively, each fixing mechanism comprises a threaded sleeve, a screw rod, a hand-screwed nut, a butting block and two polished rods, and the hand-screwed nuts are arranged at one end of the screw rod. Under the action of the pulley and the second guide limiting groove, the left shell and the right shell which are sleeved on the piston rod can be driven by the pulley to move, so that the telescopic function of the traditional telescopic protective shell is realized; and whole adopt stainless steel material to make, can not have the emergence ageing phenomenon, more can not receive sharp-pointed object to can keep out the collision of other objects to the cylinder under the unexpected condition, thereby improve the protective properties to the cylinder greatly, improve the life of cylinder.

Description

Cylinder protection casing for rail vehicle

Technical Field

The utility model relates to the technical field of protective shells, in particular to a cylinder protective cover for a railway vehicle.

Background

The cylinder is a cylindrical metal part that guides the piston to reciprocate linearly in the cylinder. The working medium converts heat energy into mechanical energy through expansion in an engine cylinder; the gas is compressed by a piston in a compressor cylinder to increase pressure.

The protection casing that present cylinder used all is the flexible cover of making by rubber materials mostly, though this kind uses in a flexible way, can effectively prevent that impurity from getting into inside, but long-time the back of using, takes place ageing easily to receive outside sharp object to cut. Therefore, the cylinder protective cover for the railway vehicle is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a cylinder protective cover for a rail vehicle, which comprises a cylinder shell, wherein a piston rod shell is arranged at the top of the cylinder shell, the bottom end of the piston rod shell is arranged in a through hole formed in the top of the cylinder shell, a plurality of pulleys are arranged outside the piston rod shell, fixing mechanisms are arranged in the middle of two sides of the cylinder shell and two sides of the top end of the piston rod shell respectively, each fixing mechanism comprises a threaded sleeve, a screw rod, a hand-screwed nut, a tightening block and two polished rods, the hand-screwed nut is arranged at one end of the screw rod, and the screw rod is arranged inside the threaded sleeve.

As a preferred technical scheme of the present invention, a shell cap is disposed at the bottom of the cylinder shell, a threaded liner tube is connected to the top of the shell cap, internal threads are carved on the bottom end of the cylinder shell, the threaded liner tube is in threaded connection with the bottom end of the cylinder shell, and an ear block is fixedly connected to the bottom of the shell cap.

As a preferred technical scheme of the utility model, the piston rod shell comprises a left shell and a right shell, two sides of the left shell and the right shell are fixedly connected with a connecting plate, and two of the connecting plates are fixedly connected through a pair of bolts.

As a preferred technical scheme of the utility model, two sides of the through hole at the top end of the cylinder barrel shell are respectively provided with a first guide limiting groove with a shape matched with that of the connected connecting plates, and the other two sides of the through hole at the top end of the cylinder barrel shell are respectively provided with a second guide limiting groove matched with the pulley.

As a preferred technical scheme of the utility model, the bottom ends of one side of the two guide limiting grooves are also positioned at two sides in the cylinder shell and are fixedly connected with U-shaped grooves, and the pulleys are in rolling connection with the U-shaped grooves.

As a preferred technical scheme of the utility model, the plurality of threaded sleeves are respectively communicated with two sides of the cylinder barrel shell and two sides of the top end of the piston rod shell, the plurality of abutting blocks are respectively arranged in the cylinder barrel shell and the piston rod shell, and one sides of the plurality of abutting blocks are respectively fixedly connected with the polish rod and are in rotating connection with the screw rod.

As a preferred technical scheme of the utility model, reinforcing rings are sleeved on two sides of the outer part of the cylinder barrel shell, and the cylinder barrel shell, the piston rod shell, the abutting block and the reinforcing rings are in any one of circular or square shapes.

The beneficial effects of the utility model are: according to the cylinder protective cover for the rail vehicle, under the action of the pulley and the second guide limiting groove, the left shell and the right shell which are sleeved on the piston rod can be driven by the pulley to move in a piston manner, so that the telescopic function of the traditional telescopic protective cover is achieved; and whole adopt stainless steel material to make, can not have the emergence ageing phenomenon, more can not receive sharp-pointed object to can keep out the collision of other objects to the cylinder under the unexpected condition, thereby improve the protective properties to the cylinder greatly, improve the life of cylinder.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a cylinder head cover for a railway vehicle according to the present invention;

FIG. 2 is a schematic structural diagram of a fixing mechanism of a cylinder protective cover for a railway vehicle, which is disclosed by the utility model;

fig. 3 is a schematic view of a part-a enlarged structure of fig. 1 of a cylinder head for a railway vehicle according to the present invention.

In the figure: 1. a cylinder shell; 2. a piston rod housing; 21. a left housing; 22. a right housing; 3. a pulley; 4. a fixing mechanism; 41. a threaded bushing; 42. a screw; 43. screwing the screw cap by hand; 44. a propping block; 45. a polish rod; 5. a shell cap; 6. an ear piece; 7. connecting plates; 8. a first guide limiting groove; 9. a second guiding limiting groove; 10. and (7) reinforcing the ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the cylinder protective cover for the rail vehicle of the present invention comprises a cylinder shell 1, a piston rod shell 2 is disposed on the top of the cylinder shell 1, the bottom end of the piston rod shell 2 is disposed in a through hole formed on the top of the cylinder shell 1, a plurality of pulleys 3 are mounted on the outside of the piston rod shell 2, a fixing mechanism 4 is disposed on the middle of two sides of the cylinder shell 1 and two sides of the top end of the piston rod shell 2, the fixing mechanism 4 comprises a threaded sleeve 41, a screw rod 42, a hand screw nut 43, a tightening block 44 and two polish rods 45, the hand screw nut 43 is mounted on one end of the screw rod 42, and the screw rod 42 is disposed inside the threaded sleeve 41.

The bottom of cylinder shell 1 is equipped with a shell cap 5, and the top of shell cap 5 is connected with the screw thread bushing pipe, and the bottom of 1 inside of cylinder shell is carved with the internal thread, screw rod bushing pipe and 1 inside bottom threaded connection of cylinder shell, and the bottom of shell cap 5 has linked firmly an ear piece 6, 1 cover of cylinder shell is established outside the cylinder that needs the protection to with the bottom of 5 threaded connection of shell cap in cylinder shell 1, can accomplish the installation operation to cylinder shell 1.

Piston rod shell 2 includes left casing 21 and right casing 22, and left casing 21 and right casing 22's both sides have all linked firmly a company board 7, and a plurality of even boards 7 use two to link firmly as a pair of bolt that passes through, and the inside protective diameter who forms of left casing 21 and right casing 22 is greater than the cylinder diameter of cylinder to the screw that sets up that uses the bolt to pass a plurality of even boards 7 links together left casing 21 and right casing 22, can accomplish the installation operation to piston rod shell 2.

The direction spacing groove 8 of a plurality of even board 7 connection back shape looks adaptations is all seted up to the both sides of 1 top through-hole of cylinder shell, and the direction spacing groove two 9 of pulley 3 looks adaptations is all seted up to the other both sides of 1 top through-hole of cylinder shell, and during the removal, even board 7 to the inside removal of direction spacing groove 8 of the even board of the connection of both sides to when driving left casing 21 and right casing 22 and removing, will drive 3 casees of pulley of both sides inside to direction spacing groove two 9.

The bottom of two 9 one sides of direction spacing groove also is located the equal fixedly connected with U type groove in the inside both sides of cylinder shell 1, and pulley 3 and U type groove roll connection, the pulley 3 of drive slide from top to bottom in the inside U type inslot of cylinder shell 1 (because the diameter of piston rod shell 2 is greater than the cylinder diameter of cylinder, makes the diameter in its cylinder shell 1 be greater than the diameter of cylinder far away for U type groove is located the outside both sides of cylinder.

The plurality of threaded sleeves 41 are respectively communicated with two sides of the cylinder shell 1 and two sides of the top end of the piston rod shell 2, the plurality of abutting blocks 44 are respectively arranged inside the cylinder shell 1 and the piston rod shell 2, one side of the plurality of abutting blocks 44 is respectively fixedly connected with the polished rod 45 and is rotatably connected with the screw rod 42, when the screw cap 43 is screwed by a rotating hand, the screw rod 42 is driven to rotate and enter the threaded sleeves 41, so that the connecting abutting blocks 44 at one end of the screw rod 42 can be pushed to move towards one side, namely, the abutting blocks 44 of the fixing mechanisms 4 at two sides of the cylinder shell 1 are clamped and fixed at two sides of the cylinder of an air cylinder to be protected, the abutting blocks 44 of the fixing mechanisms 4 on the left shell 21 and the right shell 22 are clamped and fixed at the top of the piston rod of the air cylinder, (the fixing mechanisms 4 on the cylinder shell 1 and the fixing mechanisms 4 on the left shell 21 and the right shell 22 have the same structure, and only have deviation on the size ratio).

All the outside both sides of cylinder shell 1 are equipped with reinforcing ring 10, and the shape of cylinder shell 1, piston rod shell 2, tight piece 44 and reinforcing ring 10 is circular or square arbitrary one, reinforcing ring 10's improvement the intensity of cylinder shell 1 to can keep out the striking of outside object, can select wholly to prototype or square according to the shape of protection cylinder.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cylinder protection casing for rail vehicle, includes cylinder barrel shell (1), its characterized in that, the top of cylinder barrel shell (1) is equipped with a piston rod shell (2), the bottom of piston rod shell (2) is arranged in the through-hole that cylinder barrel shell (1) top was seted up, piston rod shell (2) externally mounted has a plurality of pulleys (3), the middle part of cylinder barrel shell (1) both sides with the both sides on piston rod shell (2) top all are equipped with a fixed establishment (4), fixed establishment (4) include threaded sleeve pipe (41), screw rod (42), hand screw nut (43), support tight piece (44) and two polished rods (45), hand screw nut (43) are installed the one end of screw rod (42), screw rod (42) are arranged in the inside of threaded sleeve pipe (41).

2. The cylinder protective cover for the rail vehicle as claimed in claim 1, wherein the cylinder shell (1) is provided with a shell cap (5) at the bottom, a threaded liner tube is connected to the top of the shell cap (5), an internal thread is engraved at the bottom end inside the cylinder shell (1), the screw liner tube is in threaded connection with the bottom end inside the cylinder shell (1), and an ear piece (6) is fixedly connected to the bottom of the shell cap (5).

3. The cylinder shield for the rail vehicle according to claim 1, wherein the piston rod casing (2) comprises a left casing (21) and a right casing (22), a connecting plate (7) is fixedly connected to two sides of the left casing (21) and the right casing (22), and a plurality of connecting plates (7) are fixedly connected in pairs through bolts.

4. The cylinder protective cover for the rail vehicle as claimed in claim 1 or 3, wherein a first guide limiting groove (8) with a shape matched with the shape of the cylinder shell (1) after being connected with a plurality of connecting plates (7) is formed in each of two sides of the through hole in the top end of the cylinder shell (1), and a second guide limiting groove (9) matched with the pulley (3) is formed in each of the other two sides of the through hole in the top end of the cylinder shell (1).

5. The cylinder protective cover for the rail vehicle as claimed in claim 4, wherein the bottom end of one side of the two guide limiting grooves (9) is also positioned at two sides inside the cylinder shell (1) and is fixedly connected with a U-shaped groove, and the pulley (3) is in rolling connection with the U-shaped groove.

6. The cylinder shield for the rail vehicle according to claim 1, wherein a plurality of the threaded sleeves (41) are respectively communicated with two sides of the cylinder shell (1) and two sides of the top end of the piston rod shell (2), a plurality of the abutting blocks (44) are respectively arranged inside the cylinder shell (1) and the piston rod shell (2), and one side of each of the abutting blocks (44) is fixedly connected with the polish rod (45) and is rotatably connected with the screw rod (42).

7. The cylinder shield for the rail vehicle according to claim 1, wherein a reinforcing ring (10) is sleeved on each of two sides of the outside of the cylinder shell (1), and the cylinder shell (1), the piston rod shell (2), the abutting block (44) and the reinforcing ring (10) are in any one of a circular shape and a square shape.