CN217347815U

CN217347815U - Fixed hydraulic buffer long-stroke car stopper

Info

Publication number: CN217347815U
Application number: CN202221283825.5U
Authority: CN
Inventors: 余江江; 张岷; 褚卫松; 何隆云; 文东; 尹志斌; 高金俊; 张琨; 卫垚; 马玄德; 石树新; 孟翀
Original assignee: Sanmenxia Tiehong Machinery Equipment Co ltd; China Railway Siyuan Survey and Design Group Co Ltd; China Railway Eryuan Engineering Group Co Ltd CREEC; China Railway First Survey and Design Institute Group Ltd; China Railway Fifth Survey and Design Institute Group Co Ltd
Current assignee: Sanmenxia Tiehong Machinery Equipment Co ltd; China Railway Siyuan Survey and Design Group Co Ltd; China Railway Eryuan Engineering Group Co Ltd CREEC; China Railway First Survey and Design Institute Group Ltd; China Railway Fifth Survey and Design Institute Group Co Ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-02
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a fixed hydraulic buffer long-stroke car stopper, which comprises a front guide bracket main body and a guide sleeve, wherein the top of the front guide bracket main body is provided with a hydraulic oil cylinder main body; a piston rod is slidably mounted on the outer wall of one side of the hydraulic oil cylinder main body, a polyurethane dustproof ring is mounted on the outer wall of one side of the hydraulic oil cylinder main body, a wear-resistant layer is arranged on the inner surface of the polyurethane dustproof ring, the inner surface of the wear-resistant layer is attached to the outer surface of the piston rod, and the piston rod is of a hollow structure; and a guide sleeve is arranged on the outer surface of one end of the piston rod. The utility model discloses an install preceding guide bracket main part, hydraulic cylinder main part, piston rod, polyurethane dust ring and wearing layer, the piston rod can contact with polyurethane dust ring at the removal in-process, and the setting of wearing layer then can reduce the loss that the piston rod removed the in-process to a certain extent, and then plays certain guard action.

Description

Fixed hydraulic buffer long-stroke car stopper

Technical Field

The utility model relates to the technical field of mechanical equipment, specifically be a fixed hydraulic cushion long stroke car stop.

Background

The existing rail car stopper is arranged at the terminal section of the end line of a rail, is a safety device or equipment for preventing rail transit vehicles from rushing out of the end of the rail due to accidental out-of-control, and aims to prevent personnel from being injured and damage to the vehicles and other facilities so as to ensure the operation safety.

The existing hydraulic buffer car stopper has the defects that:

patent document CN208453012U discloses a fixed hydraulic buffer long-stroke car stopper, which comprises a braking main frame, a hydraulic buffer, an impact beam and an impact seat, wherein the braking main frame is slidably connected to an auxiliary guide rail, and the auxiliary guide rail is arranged between standard guide rails; the hydraulic buffer is arranged at the front end of the braking main frame, wherein the front end of the hydraulic buffer is arranged to prop against the impact beam; the impact seat is fixedly arranged on the impact beam. The utility model discloses dismantle and install convenient fast, can be at the standard rail that train load is big, the complete protection train used under the high operating mode of lazy travel speed, and can guarantee that the train is not fragile and the security that the car stopper used out of control, saved the change time again greatly, improved the availability factor.

However, the car stopper disclosed in the above publication mainly considers how to conveniently mount and dismount the car stopper, and does not consider that the oil cylinder piston rod on the existing car stopper is exposed in the air for a long time, so that the existing car stopper is easily corroded by rainwater and dust, and the phenomenon that the dust is agglomerated is avoided.

In view of this, a need exists for a vehicle stopper capable of intercepting dust on a piston cylinder during use of an oil cylinder, so that the dust is prevented from entering the inside of the oil cylinder, and the influence of the dust on the sealing performance of the oil cylinder can be reduced to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed hydraulic cushion long stroke car stopper to solve the problem that the current car stopper that mentions among the above-mentioned background art easily receives the dust influence.

In order to achieve the above object, the utility model provides a following technical scheme: a fixed hydraulic buffer long-stroke car stop comprises a front guide support body and a guide sleeve, wherein a hydraulic oil cylinder body is mounted at the top of the front guide support body;

a piston rod is slidably mounted on the outer wall of one side of the hydraulic oil cylinder main body, a polyurethane dustproof ring is mounted on the outer wall of one side of the hydraulic oil cylinder main body, a wear-resistant layer is arranged on the inner surface of the polyurethane dustproof ring, the inner surface of the wear-resistant layer is attached to the outer surface of the piston rod, and the piston rod is of a hollow structure;

and a guide sleeve is arranged on the outer surface of one end of the piston rod.

Preferably, the guide sleeve is internally provided with a shaft ring and a support ring, the support ring is positioned on one side of the shaft ring, the shaft ring is attached to one end of the piston rod, the outer wall of one side of the guide sleeve is provided with a connecting block, the support ring is positioned inside the connecting block, the front and the back of the connecting block are both provided with a middle guide support body, and the middle guide support body is positioned on one side of the front guide support body.

Preferably, the car stopper main body is installed on the outer wall of the other side of the hydraulic oil cylinder main body, the buffer head is installed on the outer wall of one side of the car stopper main body, and the rubber block is installed on the outer wall of one side of the buffer head.

Preferably, the bottom of the car stopper main body is provided with a car stopper support, and the buffer head is positioned above the car stopper support.

Preferably, the connecting rod of arranging around the top of car stop support is installed, and is two sets of the connecting rod is located the place ahead and the rear of buffer head respectively, and is two sets of the connecting plate is all installed to the surface of connecting rod, and is two sets of the pilot lamp is all installed to one side outer wall of connecting plate, and is two sets of solar cell panel is all installed at the top of connecting plate, and electric connection between solar cell panel and the pilot lamp.

Preferably, the outer wall of one side of the connecting block is provided with a spring oil cylinder.

Preferably, the bottom of the spring oil cylinder is provided with a rear guide support main body, and the rear guide support main body is positioned on one side of the middle guide support main body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install preceding guide bracket main part, the hydraulic cylinder main part, the piston rod, polyurethane dust ring and wearing layer, after the hydraulic cylinder main part received the impact force, the piston rod can be extruded into the inside of hydraulic cylinder main part under the effect of power this moment, at this moment, the piston rod can contact with polyurethane dust ring, and then can be outside impurity interception such as dust, and the wearing layer set up then can reduce the loss that the piston rod removed the in-process to a certain extent, and then play certain guard action.

2. The utility model discloses an install guide pin bushing, connecting block, well guide bracket main part, axle with circle and support ring, come to connect hydraulic cylinder main part and well guide main part through the guide pin bushing, and the setting of axle with the circle then can improve holistic leakproofness to a certain extent, through with between the guide pin bushing the cooperation be connected, can play double sealing's effect.

Drawings

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

FIG. 2 is a schematic view of an assembly structure of the hydraulic cylinder body of the present invention;

fig. 3 is a plan view of the present invention;

fig. 4 is a schematic view of an assembly structure of the guide sleeve of the present invention;

fig. 5 is a schematic view of an assembly structure of the car stopper main body and the connecting rod of the present invention.

In the figure: 1. a front guide bracket main body; 101. a hydraulic cylinder body; 102. a piston rod; 103. a polyurethane dust ring; 104. a wear layer; 2. a guide sleeve; 201. connecting blocks; 202. a middle guide bracket main body; 203. a ring for a shaft; 204. a support ring; 3. a spring oil cylinder; 4. a rear guide bracket main body; 5. a stopper body; 501. a buffer head; 502. a rubber block; 6. a car stopper support; 7. a connecting rod; 701. an indicator light; 702. a solar cell panel.

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 is to be noted that, unless otherwise explicitly specified 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.

Example one

Referring to fig. 2 and 3, the present invention provides an embodiment: the utility model provides a fixed hydraulic cushion long stroke car stop, including preceding guide bracket main part 1, spring cylinder 3 and back guide bracket main part 4, hydraulic cylinder main part 101 is installed at the top of preceding guide bracket main part 1, one side outer wall slidable mounting of hydraulic cylinder main part 101 has piston rod 102, polyurethane dust ring 103 is installed to one side outer wall of hydraulic cylinder main part 101, the internal surface of polyurethane dust ring 103 is provided with wearing layer 104, and the internal surface of wearing layer 104 and the surface of piston rod 102 laminate mutually, piston rod 102 is hollow structure, spring cylinder 3 is installed to one side outer wall of connecting block 201, back guide bracket main part 4 is installed to spring cylinder 3's bottom, and back guide bracket main part 4 is located one side of well guide bracket main part 202.

Specifically, a polyurethane dust ring 103 is installed at the joint of the hydraulic cylinder body 101 and the piston rod 102, to prevent dust or impurities from adhering to the surface of the piston rod 102, when the piston rod 102 goes in and out, dust and impurities are brought into the hydraulic oil cylinder body 101, so that the sealing performance is affected, and then the piston rod 102 is abraded to cause oil leakage, and the inner surface of the polyurethane dust ring 103 is provided with the wear-resistant layer 104, so that the loss of the piston rod 102 can be reduced, because the piston rod 102 is of a hollow structure, not only can the weight of the piston rod be reduced, but also the bending resistance of the piston rod can be improved, and the service life of the hydraulic oil cylinder main body 101 can be prolonged to a certain extent, when the rubber block 502 is impacted, the hydraulic oil cylinder body 101 on the front guide support body 1 is pushed, then the spring oil cylinder 3 is pushed to work, and finally buffer stop operation is achieved.

Example two

As shown in fig. 1 and fig. 4, a fixed hydraulic buffer long-stroke car stop comprises a guide sleeve 2, the guide sleeve 2 is mounted on the outer surface of one end of a piston rod 102, a shaft ring 203 and a support ring 204 are mounted inside the guide sleeve 2, the support ring 204 is located on one side of the shaft ring 203, the shaft ring 203 is attached to one end of the piston rod 102, a connecting block 201 is mounted on the outer wall of one side of the guide sleeve 2, the support ring 204 is located inside the connecting block 201, a middle guide bracket body 202 is mounted on the front surface and the back surface of the connecting block 201, and the middle guide bracket body 202 is located on one side of a front guide bracket body 1.

Specifically, when the hydraulic cylinder body 101 and the spring cylinder 3 are connected with the front guide bracket body 1, the middle guide bracket body 202 and the rear guide bracket body 4, the guide sleeve 2 is used for connection, the shaft ring 203 is arranged inside the guide sleeve 2, the support ring 204 is arranged inside the connecting block 201, and then the support ring is connected with the connecting block by using a flange, so that the influence of acidic substances and the like on the cylinder can be reduced to a certain extent, and the sealing performance is ensured.

As shown in fig. 5, a fixed hydraulic buffer long-stroke car stopper comprises a car stopper body 5, stop buffer support 6 and connecting rod 7, stop buffer main part 5 is installed to the opposite side outer wall of hydraulic cylinder main part 101, buffer head 501 is installed to one side outer wall of stop buffer main part 5, block rubber 502 is installed to one side outer wall of buffer head 501, stop buffer support 6 is installed to the bottom of stop buffer main part 5, buffer head 501 is located the top of stop buffer support 6, connecting rod 7 of arranging around the top of stop buffer support 6 is installed, two sets of connecting rods 7 are located the place ahead and the rear of buffer head 501 respectively, the connecting plate is all installed to the surface of two sets of connecting rods 7, pilot lamp 701 is all installed to one side outer wall of two sets of connecting plates, solar cell panel 702 is all installed at the top of two sets of connecting plates, and electric connection between solar cell panel 702 and pilot lamp 701.

Specifically, a connecting rod 7 is arranged at the top of the car stopper support 6, and an indicator lamp 701 which is oppositely arranged is arranged on the outer surface of the connecting rod 7, so that a certain basis can be provided for the parking of the vehicle at night, the solar panel 702 can absorb light energy and convert the light energy into electric energy to be used as a power source of the indicator lamp 701, and the rubber block 502 arranged in front of the buffer head 501 is arranged to avoid the rigid contact between the vehicle and the oil cylinder piston.

The working principle is as follows: firstly, a certain impact force is generated on the rubber block 502 by a vehicle, so that the piston rod 102 is driven to be quickly pressed into the hydraulic oil cylinder main body 101 under the action of an external force, in the process, dust and impurities on the piston rod 102 can be intercepted outside the hydraulic oil cylinder main body 101 by the polyurethane dust ring 103 in the moving process of the piston rod 102, and further the influence of rainwater, dust and the like on the hydraulic oil cylinder main body 101 can be reduced to a certain extent;

under the action of impact force, hydraulic oil in the spring oil cylinder 3 is extruded to flow through the overflow valve, the pressure of the overflow valve is adjusted according to the impact force to achieve the optimal working pressure state, the reset of the spring oil cylinder 3 is executed by the counterforce of a spring, so that a complete working cycle is achieved, and in connection, the guide sleeve 2, the shaft ring 203 and the support ring 204 are adopted to improve the connection sealing property among the oil cylinders;

the solar panel 702 can convert light energy into electric energy, and provide a power source for the indicator lamp 701, so that convenience can be provided for parking of the vehicle to a certain extent.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fixed hydraulic cushion long stroke car stop, includes preceding guide bracket main part (1) and guide pin bushing (2), its characterized in that: a hydraulic oil cylinder main body (101) is arranged at the top of the front guide support main body (1);

a piston rod (102) is slidably mounted on the outer wall of one side of the hydraulic oil cylinder body (101), a polyurethane dustproof ring (103) is mounted on the outer wall of one side of the hydraulic oil cylinder body (101), a wear-resistant layer (104) is arranged on the inner surface of the polyurethane dustproof ring (103), the inner surface of the wear-resistant layer (104) is attached to the outer surface of the piston rod (102), and the piston rod (102) is of a hollow structure;

and a guide sleeve (2) is arranged on the outer surface of one end of the piston rod (102).

2. A fixed hydraulic buffer long travel stop according to claim 1, wherein: the utility model discloses a guide pin sleeve, including guide pin sleeve (2), support ring (204), connecting block (201), support ring (204), guide pin sleeve (2), ring (203) and support ring (204) are used to the internally mounted axle, and support ring (204) are located the one side of circle (203) for the axle, the one end of circle (203) and piston rod (102) is laminated mutually for the axle, connecting block (201) is installed to one side outer wall of guide pin sleeve (2), support ring (204) are located the inside of connecting block (201), well guide bracket main part (202) are all installed to the front and the back of connecting block (201), and well guide bracket main part (202) are located the one side of leading guide bracket main part (1).

3. A fixed hydraulic buffer long travel stop according to claim 1, wherein: the hydraulic car stopper is characterized in that a car stopper main body (5) is installed on the outer wall of the other side of the hydraulic cylinder main body (101), a buffering head (501) is installed on the outer wall of one side of the car stopper main body (5), and a rubber block (502) is installed on the outer wall of one side of the buffering head (501).

4. A fixed hydraulic buffer long travel stop according to claim 3, wherein: the car stopper is characterized in that a car stopper support (6) is installed at the bottom of the car stopper main body (5), and the buffer head (501) is located above the car stopper support (6).

5. The fixed hydraulic buffer long travel car stop of claim 4, wherein: connecting rod (7) of arranging around the top of car stopper support (6) is installed, and is two sets of connecting rod (7) are located the place ahead and the rear of buffer head (501) respectively, and are two sets of the connecting plate is all installed to the surface of connecting rod (7), and is two sets of pilot lamp (701) are all installed to one side outer wall of connecting plate, and are two sets of solar cell panel (702) are all installed at the top of connecting plate, and electric connection between solar cell panel (702) and pilot lamp (701).

6. A fixed hydraulic buffer long travel stop according to claim 2, wherein: and a spring oil cylinder (3) is arranged on the outer wall of one side of the connecting block (201).

7. The fixed hydraulic buffer long-stroke car stopper according to claim 6, characterized in that: the bottom of the spring oil cylinder (3) is provided with a rear guide support main body (4), and the rear guide support main body (4) is positioned on one side of the middle guide support main body (202).