CN212779871U

CN212779871U - Retarder nitrogen pressure detection machine

Info

Publication number: CN212779871U
Application number: CN202020418906.6U
Authority: CN
Inventors: 邢潮汀; 孙晓军; 徐伟东; 刘卉超; 黄先席; 郑海; 沈斌; 李大强; 傅雨韬; 董韬志; 赵逸平; 徐梦迪
Original assignee: Shanghai Railway Station And Yard Speed Control Technology Center Co ltd
Current assignee: Shanghai Railway Station And Yard Speed Control Technology Center Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2021-03-23
Anticipated expiration: 2030-03-27

Abstract

The invention discloses a nitrogen pressure detector for a retarder, which comprises: installing a rack, a front cabinet, a top cabinet and a hydraulic station, wherein the front cabinet is fixed on the right side of the top of the rack; a workbench is horizontally arranged at the top of the front cabinet, a retarder is fixed on the workbench, two support columns are vertically fixed on two sides of the top of the workbench respectively, the upper ends of the support columns are fixedly connected with the bottom of the top cabinet, a detection bin is formed between the top cabinet and the front cabinet, two support blocks are arranged in the detection bin, and the bottoms of the support blocks are fixedly connected with the top of the workbench; the through-hole has been seted up to the surface symmetry of top cabinet, and the through-hole is cylindrical structure and runs through the top cabinet, installs the hydro-cylinder in the through-hole, and the hydro-cylinder adopts oil pipe and hydraulic pressure station to be connected. The invention pushes the pressure sensor to push the retarder through the oil cylinder, thereby detecting the compression resistance value of the retarder accurately, repeatedly detecting the retarder and detecting the service life of the retarder.

Description

Retarder nitrogen pressure detection machine

Technical Field

The invention relates to the technical field of retarder detection equipment, in particular to a retarder nitrogen pressure detector.

Background

The retarder was originally invented by the english man and used in the hump speed regulating system of a marshalling station. The first retarder produced in China was the research center of the Harbin railway bureau retarder speed regulation system, which was established in the last 70 th century according to the commands of the Ministry of railways. The retarder speed regulating system is a continuous speed regulating system consisting of a plurality of retarders, although each retarder is an independent working unit, the final speed regulating effect is realized by depending on the system capacity of each channel retarder group, and therefore maintenance and repair of the retarders become an important work of a marshalling station. The retarder is an independent hydraulic unit taking hydraulic oil and nitrogen as working media, is exposed in an outdoor environment all year round, is easy to leak hydraulic oil gas, and parts are aged, damaged and fatigue and the like, so that the probability of failure of the retarder is increased due to loss. The normal operation of a marshalling station can be influenced by the failure or damage of the retarder, and the vehicle can be collided and derailed in serious conditions, so that the safe production of the railway is threatened. Before the retarder leaves a factory, the performance of the retarder needs to be detected so as to ensure the normal use of the retarder after leaving the factory.

At present, the existing nitrogen pressure detector for the retarder has the following problems: the manual work detects the retarder, and the fault judgment to the retarder has great difference, can not accomplish science, accuracy, and very big influence retarder detects, influences its use, and is relatively poor to its continuity that detects. For this reason, a new scheme needs to be designed to give improvements.

Disclosure of Invention

The invention aims to provide a nitrogen pressure detector for a retarder, which solves the problems in the background art and meets the actual use requirements.

In order to achieve the purpose, the invention provides the following technical scheme: a retarder nitrogen pressure detection machine comprises: the method comprises the following steps of installing a frame, a front cabinet, a top cabinet and a hydraulic station, wherein the front cabinet is fixed on the right side of the top of the installing frame, the top cabinet is installed on the top of the front cabinet, and the hydraulic station is fixed on the top of the installing frame and located on the left side of the front cabinet; a workbench is horizontally arranged at the top of the front cabinet, a retarder is fixed on the workbench, two support columns are vertically fixed on two sides of the top of the workbench respectively, the upper ends of the support columns are fixedly connected with the bottom of the top cabinet, a detection bin is formed between the top cabinet and the front cabinet, two support blocks are arranged in the detection bin, the bottoms of the support blocks are fixedly connected with the top of the workbench, and a grating ruler is fixed at the bottom of the top cabinet and positioned in the detection bin; the through-hole has been seted up to the surface symmetry of top cabinet, the through-hole is cylindrical structure and runs through the top cabinet, install the hydro-cylinder in the through-hole, the hydro-cylinder adopts oil pipe and hydraulic pressure station to be connected, the lower extreme downwardly extending of hydro-cylinder just is connected with pressure sensor in the detection storehouse, pressure sensor's sensing end is downwards just to be connected with the laminating of retarder.

As a preferred embodiment of the present invention, the supporting block includes a clamping plate, a supporting plate and a fixing base, the clamping plate is fixed on one side of the top of the supporting plate, and the lower end of the supporting plate is fixed on one side of the fixing base.

As a preferred embodiment of the invention, one side of the surface of the clamping plate is provided with a clamping groove which is of a circular structure, and the inner wall of the clamping groove is connected with the outer wall of the retarder in a fitting manner.

As a preferred embodiment of the present invention, the fixing base is of a square structure and is fixedly connected to the workbench by bolts, a spherical groove is formed in the middle of the top surface of the fixing base, a limiting hole is formed in the middle of the spherical groove, and the output end of the retarder is connected to the limiting hole in an embedded manner.

As a preferred embodiment of the invention, the oil cylinder is fixedly connected with the through hole by a bolt, and an oil cylinder adjusting nut is vertically fixed on the oil cylinder.

In a preferred embodiment of the present invention, the top cabinet is provided with peak value holding instruments symmetrically arranged on the front surface, and a data center is arranged in the middle of the front surface of the top cabinet and between the two peak value holding instruments.

As a preferred embodiment of the present invention, the front surface of the front cabinet is symmetrical and is connected to a cabinet door by a hinge, a power switch is installed on the side wall of the front cabinet, and a heat dissipation hole is formed in the side wall of the front cabinet and below the power switch.

As a preferred embodiment of the present invention, a handle is fixed to the left upper end of the mounting frame, and moving wheels are fixed to the bottom of the mounting frame near the corners.

As a preferred embodiment of the present invention, two starting switches are symmetrically installed at the front end of the workbench, and an emergency stop switch is installed in the middle of the front end of the workbench and between the two starting switches.

Compared with the prior art, the invention has the following beneficial effects:

this pressure measurement machine promotes the retarder through hydro-cylinder promotion pressure sensor to the resistance to compression numerical value to the retarder detects, detects comparatively accurately, can detect the retarder repeatedly, detects the life to its retarder simultaneously.

Drawings

FIG. 1 is a structural diagram of a nitrogen pressure detector of a retarder according to the invention;

FIG. 2 is a front view of the nitrogen pressure detector of the retarder according to the present invention;

fig. 3 is a structural view of the support block of the present invention.

In the figure, a frame 1 is installed; a front cabinet 2; a power switch 3; a hydraulic station 4; a top cabinet 5; a handle 6; a detection bin 7; a grating scale 8; a work table 9; a start switch 10; an emergency stop switch 11; a peak-hold meter 12; an oil cylinder adjusting nut 13; a pressure sensor 14; a support block 15; a cylinder 16; a support column 17; a data center 18; a retarder 19; a chucking plate 20; a support plate 21; a card slot 22; a base 23 is fixed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a retarder nitrogen pressure detection machine comprises: the method comprises the following steps of installing a frame 1, a front cabinet 2, a top cabinet 5 and a hydraulic station 4, wherein the front cabinet 2 is fixed on the right side of the top of the installation frame 1, the top cabinet 5 is installed on the top of the front cabinet 2, and the hydraulic station 4 is fixed on the top of the installation frame 1 and is positioned on the left side of the front cabinet 2; the hydraulic station 4 is internally provided with a hydraulic oil tank and an oil pump, hydraulic oil is pumped into the oil cylinder 16 through the oil pump, the hydraulic pressure is used as power, the power is stable and powerful, the maximum value of the pressure on the retarder 19 can be conveniently detected, the workbench 9 is horizontally arranged at the top of the front cabinet 2, the retarder 19 is fixed on the workbench 9, two support columns 17 are respectively and vertically fixed on two sides of the top of the workbench 9, the upper ends of the support columns 17 are fixedly connected with the bottom of the top cabinet 5, the support columns 17 are used for manufacturing and fixedly connecting the top cabinet 5, a detection bin 7 is formed between the top cabinet 5 and the front cabinet 2, two support blocks 15 are arranged in the detection bin 7, the bottoms of the support blocks 15 are fixedly connected with the top of the workbench 9, a grating ruler 8 is fixed at the bottom of the top cabinet 5 and positioned in the detection bin 7, two stations are arranged in the detection bin 7, the two retarder 19 can be detected at the same time, and the supporting block 15 plays a certain limiting and fixing role on the retarder 19 in the detection process; the through-hole has been seted up to the surface symmetry of top cabinet 5, the through-hole is cylindrical structure and runs through top cabinet 5, install hydro-cylinder 16 in the through-hole, hydro-cylinder 16 adopts oil pipe and hydraulic pressure station 4 to be connected, the lower extreme downwardly extending of hydro-cylinder 16 just is connected with pressure sensor 14 in detecting storehouse 7, pressure sensor 14's sensing end is downwards and is connected with the laminating of retarder 19, release the push rod after hydro-cylinder 16 starts, and drive pressure sensor 14, promote the retarder through pressure sensor 14, thereby detect the pressurized numerical value of retarder 19.

In a further improvement, as shown in fig. 3: the supporting shoe 15 includes cardboard 20, backup pad 21 and unable adjustment base 23, and cardboard 20 is fixed in the top one side of backup pad 21, and the lower extreme of backup pad 21 is fixed in unable adjustment base 23 one side, and the basic constitution of supporting shoe 15, backup pad 21 support cardboard 20.

In a further improvement, as shown in fig. 3: draw-in groove 22 has been seted up to cardboard 20's surface one side, and draw-in groove 22 is circular structure, and draw-in groove 22 inner wall is connected with the laminating of the 19 outer walls of retarder, and cardboard 20 plays spacing effect to retarder 19, avoids retarder 19 to take place to incline when the pressurized detects.

In a further improvement, as shown in fig. 3: unable adjustment base 23 is square structure and adopts bolt and 9 fixed connection of workstation, and spherical groove is opened at unable adjustment base 23's top surface middle part, and spacing hole has been seted up at the middle part of spherical groove, and the output of retarder 19 is inlayed and is connected in spacing hole, and unable adjustment base 23 carries on spacingly to the speed reduction push rod.

Further improved, as shown in fig. 1: the oil cylinder 16 is fixedly connected with the through hole by a bolt, an oil cylinder adjusting nut 13 is vertically fixed on the oil cylinder 16, and the oil cylinder 16 is fixedly adjusted by the oil cylinder adjusting nut 13.

Further improved, as shown in fig. 2: the front surface of the top cabinet 5 is symmetrically provided with peak value holding instruments 12, a data center 18 is arranged in the middle of the front surface of the top cabinet 5 and between the two peak value holding instruments 12, the peak value holding instruments 12 record the lowest point pressure value, and the data center 18 stores detection data.

Further improved, as shown in fig. 1: preceding cabinet 2's front surface symmetry just adopts hinged joint to have a cabinet door, installs switch 3 on preceding cabinet 2's the lateral wall, just lies in switch 3 below on preceding cabinet 2's the lateral wall and has seted up the louvre, and switch 3 is used for controlgear to open and close, and the louvre increases the equipment heat dissipation.

Further improved, as shown in fig. 1: the handle 6 is fixed at the upper end of the left side of the installation vehicle frame 1, and the moving wheels are fixed at the bottom of the installation vehicle frame 1 close to the corners, so that the installation vehicle frame 1 can be moved conveniently.

Specifically, two starting switches 10 are symmetrically installed at the front end of the workbench 9, an emergency stop switch 11 is installed in the middle of the front end of the workbench 9 and between the two starting switches 10, and in the using process, if emergency stop is needed, the emergency stop switch 11 or the corresponding grating ruler 8 can be selected to perform interference, so that the equipment is reset.

When the device is used, the model of the retarder 19 is determined, the supporting block 15 corresponding to the cylinder diameter size of the retarder 19 is selected, then the distance between the detection end of the pressure sensor 14 and the retarder 19 is determined, the device is started, the No. 1 oil cylinder 16 runs downwards, the peak value maintaining instrument 12 records the lowest point pressure, the oil cylinder 16 moves downwards and pushes the retarder 19, the oil cylinder 16 stops at the lowest point for one second and then runs upwards in a resetting mode, namely, one-time detection is completed, the recording is performed through the data center 18, after the No. 1 oil cylinder 16 finishes working, the No. 2 oil cylinder 16 repeats the action of the No. 1 oil cylinder 16, product testing is completed in turn, and in the using process, if emergency shutdown is needed, emergency shutdown or interference of a corresponding grating ruler can be selected, and the device is reset.

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 invention. 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. A retarder nitrogen pressure detection machine comprises: install truck frame (1), preceding cabinet (2), top cabinet (5) and hydraulic pressure station (4), its characterized in that: the front cabinet (2) is fixed on the right side of the top of the mounting frame (1), the top cabinet (5) is mounted on the top of the front cabinet (2), and the hydraulic station (4) is fixed on the top of the mounting frame (1) and located on the left side of the front cabinet (2);

a workbench (9) is horizontally installed at the top of the front cabinet (2), a retarder (19) is fixed on the workbench (9), two support columns (17) are vertically fixed on two sides of the top of the workbench (9) respectively, the upper ends of the support columns (17) are fixedly connected with the bottom of the top cabinet (5), a detection bin (7) is formed between the top cabinet (5) and the front cabinet (2), two support blocks (15) are arranged in the detection bin (7), the bottoms of the support blocks (15) are fixedly connected with the top of the workbench (9), and a grating ruler (8) is fixed at the bottom of the top cabinet (5) and positioned in the detection bin (7);

the through-hole has been seted up to the surface symmetry of top cabinet (5), the through-hole is cylindrical structure and runs through top cabinet (5), install hydro-cylinder (16) in the through-hole, hydro-cylinder (16) adopt oil pipe to be connected with hydraulic pressure station (4), the lower extreme downwardly extending of hydro-cylinder (16) just is connected with pressure sensor (14) in detecting storehouse (7), the sensing end of pressure sensor (14) is just laminated with retarder (19) downwards and is connected.

2. The nitrogen pressure detector for the retarder according to claim 1, wherein: the supporting block (15) comprises a clamping plate (20), a supporting plate (21) and a fixed base (23), the clamping plate (20) is fixed on one side of the top of the supporting plate (21), and the lower end of the supporting plate (21) is fixed on one side of the fixed base (23).

3. The nitrogen pressure detector for the retarder according to claim 2, wherein: a clamping groove (22) is formed in one side of the surface of the clamping plate (20), the clamping groove (22) is of a circular structure, and the inner wall of the clamping groove (22) is connected with the outer wall of the retarder (19) in a fitting mode.

4. The nitrogen pressure detector for the retarder according to claim 2, wherein: unable adjustment base (23) are square structure and adopt bolt and workstation (9) fixed connection, spherical groove is opened at the top surface middle part of unable adjustment base (23), spacing hole has been seted up at the middle part of spherical groove, the output of retarder (19) is inlayed and is connected in spacing downthehole.

5. The nitrogen pressure detector for the retarder according to claim 1, wherein: the oil cylinder (16) is fixedly connected with the through hole through a bolt, and an oil cylinder adjusting nut (13) is vertically fixed on the oil cylinder (16).

6. The nitrogen pressure detector for the retarder according to claim 1, wherein: the peak value holding instruments (12) are symmetrically arranged on the front surface of the top cabinet (5), and a data center (18) is arranged in the middle of the front surface of the top cabinet (5) and located between the two peak value holding instruments (12).

7. The nitrogen pressure detector for the retarder according to claim 1, wherein: the front surface symmetry of preceding cabinet (2) just adopts hinged joint to have a cabinet door, install switch (3) on the lateral wall of preceding cabinet (2), the louvre has been seted up just to be located switch (3) below on the lateral wall of preceding cabinet (2).

8. The nitrogen pressure detector for the retarder according to claim 1, wherein: the handle (6) is fixed at the upper end of the left side of the mounting rack (1), and the moving wheels are fixed at the bottom of the mounting rack (1) close to the corners.

9. The nitrogen pressure detector for the retarder according to claim 1, wherein: two starting switches (10) are symmetrically installed at the front end of the workbench (9), and an emergency stop switch (11) is installed in the middle of the front end of the workbench (9) and between the two starting switches (10).