CN218744988U

CN218744988U - Railway vehicle brake cylinder flange body drilling device

Info

Publication number: CN218744988U
Application number: CN202223148644.4U
Authority: CN
Inventors: 徐洪艳; 于成洋; 孙刚; 曹一坤
Original assignee: Shenyang Westinghouse Brake Technology Co ltd
Current assignee: Shenyang Westinghouse Brake Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-28
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a railway vehicle checking cylinder flange body drilling equipment, including support and drilling tool, its technical essential is: the support is the L type, its upper surface is equipped with revolving stage and revolving stage upper surface interval and is equipped with left branch seat and right branch seat, the looks remote site that is equipped with horizontal rotating shaft and horizontal rotating shaft on left branch seat and the right branch seat respectively is equipped with the centre gripping hoop respectively, be equipped with the upset motor of being connected with horizontal rotating shaft on the left branch seat, the top of support is equipped with the cantilever extension board that extends support and right branch seat top left, the cantilever extension board is equipped with U type joint mouth, put lift cylinder and horizontal push-and-pull hydro-cylinder in the U type joint mouth, lift cylinder's jar pole lower extreme is connected fixedly with the drilling tool, horizontal push-and-pull hydro-cylinder is used for push-and-pull lift cylinder to slide in U type joint mouth. The device solves the problem of low drilling efficiency of the existing brake cylinder flange body drilling device, can quickly adjust the drilling position according to the horizontal position of the flange body, and obviously improves the drilling efficiency.

Description

Railway vehicle brake cylinder flange body drilling device

Technical Field

The utility model relates to an automobile-used braking element produces auxiliary assembly, concretely relates to railway vehicle checking cylinder flange body drilling equipment.

Background

Railway vehicle brake cylinders are key components of railway vehicle brake systems that are actuated when controlled by an operating valve. When braking is needed, pressure air of a main air cylinder of the braking system enters the braking cylinder, a piston of the braking cylinder is pushed out, and pressure is applied to the braking disc through the driving of the linkage mechanism, so that the braking effect is achieved. When the pressure in the brake cylinder is relieved, the pressure in the brake cylinder is exhausted from the air outlet of the action valve, and the release spring in the brake cylinder pushes the piston of the brake cylinder back to the original position to play a relieving role.

The brake cylinder of the railway vehicle comprises a cylinder body, a piston assembly arranged in the cylinder body and end covers connected with two ends of the cylinder body, wherein the tail end of a piston of the piston assembly extends out of one end cover and is connected with a linkage mechanism, and when the brake cylinder is generally required to be maintained and disassembled, the other end cover is opened. The end part of the cylinder body is provided with a flange body and is fixedly connected with the two end covers by utilizing the flange body and a plurality of groups of bolt pairs. Therefore, after the flange body is partially formed, a plurality of screw holes need to be uniformly drilled on the flange body so as to be connected and fixed with the bolt pair.

The drilling device for the flange body of the existing brake cylinder comprises a support and a drilling tool arranged above the support, and the drilling device has the following problems in the use process: the brake cylinders are different in model, the shape and the cylinder body diameter of each brake cylinder are different, the diameters of two ends of the same brake cylinder are different, the diameters of two flange bodies on the same brake cylinder are different, and therefore when drilling is conducted on the flange bodies of the same brake cylinder, the drilling tool needs to be manually adjusted and the horizontal position of the drilling tool needs to be located, and therefore drilling efficiency is low.

Disclosure of Invention

An object of the utility model is to provide a railway vehicle checking cylinder flange body drilling equipment rational in infrastructure, use reliable solves the problem that current checking cylinder flange body drilling equipment drilling efficiency is low, can show improvement drilling efficiency according to flange body horizontal position quick adjustment drilling position.

The technical scheme of the utility model is that:

the utility model provides a railway vehicle brake cylinder flange body drilling equipment, includes support and drilling tool, its technical essential is: the support is L-shaped, a rotary table is arranged on the upper surface of the support, a left support and a right support are arranged on the upper surface of the rotary table at intervals, horizontal rotary shafts with coincident axial leads are arranged on the left support and the right support respectively, clamping hoops are arranged at opposite ends of the two horizontal rotary shafts respectively, sliding chutes are arranged on the lower surfaces of the left support and the right support, guide rails corresponding to the sliding chutes are arranged on the upper surface of the rotary table, a turnover motor connected with the horizontal rotary shafts is arranged on the left support, a cantilever support plate extending above the left support and the right support is arranged at the top end of the support, a U-shaped clamping port in the horizontal direction is arranged on the cantilever support plate, a lifting oil cylinder and a horizontal push-pull oil cylinder are arranged in the U-shaped clamping port, an outward-extending skirt edge is arranged on a cylinder body of the lifting oil cylinder, sliding grooves matched with the outward-extending skirt edges are arranged on two inner side walls of the U-shaped clamping port, the lower end of a cylinder rod of the lifting oil cylinder is fixedly connected with a vertically-arranged drilling tool, the horizontal push oil cylinder is positioned between two inner side walls of the U-pull port in the horizontal direction, and the outward-pull oil cylinder, and the sliding grooves of the U-pull oil cylinder are respectively parallel to the guide rails.

According to the flange body drilling device for the brake cylinder of the railway vehicle, the clamping hoop is arc-shaped, the side wall of the clamping hoop is provided with the radial jackscrew hole, and the jackscrew for fixing the brake cylinder is arranged in the radial jackscrew hole.

According to the drilling device for the flange body of the brake cylinder of the railway vehicle, the center line of the drill rod of the drilling tool and the axis line of the horizontal rotating shaft are located in the same vertical plane, and the image acquisition sensor is fixed at the lower end of the shell of the drilling tool and used for identifying the mark to be drilled, which is made on the flange body of the brake cylinder in advance.

Foretell railway vehicle brake cylinder flange body drilling equipment, horizontal rotating shaft comprises the integral key shaft that utilizes the bearing frame to support main shaft on left and right support, the central splined hole of main shaft to be connected, integral key shaft one end is fixed with centre gripping hoop welded fastening after passing the splined hole, and the integral key shaft's of horizontal rotating shaft on the left side support other end and the fixed spline shaft sleeve of upset motor output are pegged graft and are cooperated, the integral key shaft is located the shaft part of main shaft both sides and is fixed with the dog, be equipped with the locating hole on the dog, be equipped with the locating pin in the locating hole, the locating pin pointed end passes the locating hole and pushes up on the integral key shaft to avoid during operation, integral key shaft and main shaft produce axial relative displacement.

According to the flange body drilling device for the brake cylinder of the railway vehicle, the connecting plate is fixed to the top surface of the cylinder body of the horizontal push-pull oil cylinder, the edges of the two sides of the connecting plate are respectively lapped on the edge of the top surface of the U-shaped clamping port and fixed with the edge of the top surface of the U-shaped clamping port, and the end portion of the cylinder rod of the horizontal push-pull oil cylinder is provided with the connecting lug connected with the extending skirt edge.

The beneficial effects of the utility model are that:

1. two centre gripping hoops are connected through the horizontal rotating shaft on the left and right support to utilize centre gripping hoop centre gripping brake jar cylinder body periphery, accomplish the drilling operation back of one end flange body, utilize the upset motor to drive horizontal rotating shaft and rotate 180 degrees, drive the upset of braking cylinder body 180 degrees promptly, prepare for the drilling operation of other end flange body, need not artificial upset brake jar, improved drilling efficiency, also avoided secondary location brake jar simultaneously, guaranteed drilling accuracy.

2. The lifting oil cylinder is used for driving a drill rod of the drilling tool to ascend or descend so as to achieve drilling operation, before the drilling operation is achieved, according to the positions, to be drilled, of flange bodies of brake cylinders of different models and different sizes, the horizontal push-pull oil cylinder is used for driving the lifting oil cylinder and the drilling tool fixed on the lifting oil cylinder to reach the appropriate horizontal position, the drill rod is aligned with the pre-drilling position of the flange body, after drilling of one hole is completed, the left support, the right support and the brake cylinder clamped by the left support and the right support are driven to rotate by a set angle through the rotary table, the drill rod continues to drill the next hole until the flange body at one end is drilled, and the drilling operation is convenient to operate and reliable to use. The problem of current brake cylinder flange body drilling device drilling efficiency low is solved, can be according to flange body horizontal position quick adjustment drilling position, showing and improving drilling efficiency.

Drawings

FIG. 1 is a schematic view of a brake master cylinder of the present invention operating on a flange body at one end thereof;

FIG. 2 is a schematic view of the brake cylinder assembly of the present invention operating on the flange body at the other end thereof;

fig. 3 is a top view of the cantilever plate and its upper member of fig. 2.

In the figure: 1. the device comprises a support, a cantilever support plate 2, a turnover motor 3, a spline shaft sleeve 4, a stop block 5, a spline shaft 6, a main shaft 7, a left support 8, a left support 9, a guide rail 9, a rotary table 10, a sliding groove 11, a lifting cylinder 12, a lifting cylinder 13, an outward extending skirt edge 14, a horizontal push-pull cylinder 15, a connecting plate 16, a drilling tool 17, an image acquisition sensor 18, a flange body 19, a brake cylinder 20, a clamping hoop 21, a jackscrew 21, a right support 22, a flange body 23, a 24.U-shaped clamping interface 25 and a connecting lug.

Detailed Description

The invention is described in detail according to the attached drawings.

As shown in fig. 1 to 3, the drilling device for a brake cylinder flange body of a railway vehicle includes a bracket 1 and a drill 16. Wherein, the support 1 is L-shaped, the upper surface of the support is provided with a turntable 10, and the upper surface of the turntable 10 is provided with a left support 8 and a right support 22 at intervals. The left support 8 and the right support 22 are respectively provided with a horizontal rotating shaft with coincident axial leads, and the opposite ends of the two horizontal rotating shafts are respectively provided with a clamping hoop 20. The lower surfaces of the left support and the right support are provided with sliding grooves, and the upper surface of the rotary table 10 is provided with a guide rail 9 corresponding to the sliding grooves. And the left support is provided with a turnover motor 3 connected with the horizontal rotating shaft. The top end of the bracket 1 is provided with a cantilever support plate 2 extending above the left support 8 and the right support 22, and a diagonal brace is arranged between the cantilever support plate 2 and the vertical wall of the bracket 1. The cantilever support plate 2 is provided with a U-shaped clamping interface 24 in the horizontal direction, and a lifting oil cylinder 12 and a horizontal push-pull oil cylinder 14 are arranged in the U-shaped clamping interface 24. An outward-extending skirt edge 13 is arranged on a cylinder body of the lifting oil cylinder 12, and sliding grooves 11 matched with the outward-extending skirt edge 13 are formed in two inner side walls of the U-shaped clamping interface 24. The lower end of the cylinder rod of the lifting cylinder 12 is fixedly connected with a vertically arranged drilling tool 16, the cylinder rod of the horizontal push-pull cylinder 14 is horizontally positioned between two inner side walls of the U-shaped clamping interface 24, and the tail end of the cylinder rod is fixedly connected with the flared skirt 13. The sliding grooves of the horizontal push-pull oil cylinder 14 and the U-shaped clamping interface 24 are respectively parallel to the guide rail 9.

In this embodiment, the clamping band 20 is arc-shaped, and a radial bolt hole is formed in a side wall of the clamping band, and a bolt 21 for fixing the brake cylinder 19 is arranged in the radial bolt hole. When the brake is installed, the two clamping hoops 20 are symmetrically clamped on the periphery of the cylinder body of the brake cylinder 19 and fixed by the jackscrews 21, so that the connection is strengthened.

The center line of the drill rod of the drilling tool 16 and the axis line of the horizontal rotating shaft are positioned in the same vertical plane, and the lower end of the shell of the drilling tool 16 is fixed with an image acquisition sensor 17 for identifying marks to be drilled on

flange bodies

18 and 23 of braking cylinders in advance. In this embodiment, the mark of the hole to be drilled is a concentric circle mark with the

flange bodies

18 and 23, and the concentric circle is a circle where the center of the hole is located. In the initial state, the center of the acquisition window of the image acquisition sensor 17 and the central line of the drill rod of the drilling tool 16 are positioned in the same vertical plane. After the image acquisition sensor 17 identifies the mark to be drilled, the horizontal moving distance of the drill rod is determined, and a basis is provided for the moving direction and the stroke of the cylinder rod of the horizontal push-pull oil cylinder 14. The top surface of the cylinder body of the horizontal push-pull oil cylinder 14 is fixedly provided with a connecting plate 15, the edges of two sides of the connecting plate 15 are respectively lapped on the edge of the top surface of the U-shaped clamping port 24 and are fixed with the edge, and the end part of the cylinder rod of the horizontal push-pull oil cylinder 14 is provided with a connecting lug 25 connected with the outward extending skirt 13.

The horizontal rotating shaft is composed of a main shaft 7 supported on a left support and a right support through bearings and a spline shaft 6 connected with a central spline hole of the main shaft 7, one end of the spline shaft 6 penetrates through the spline hole and then is welded and fixed with a clamping hoop 20, the other end of the spline shaft 6 of the horizontal rotating shaft on the left support 8 is in plug-in fit with a spline shaft sleeve 4 fixed at the output end of an overturning motor 3, a stop block 5 is fixed on a shaft section of the spline shaft 6 positioned at two sides of the main shaft 7, a positioning hole is formed in the stop block 5, a positioning pin 24 is arranged in the positioning hole, and the tip of the positioning pin 24 penetrates through the positioning hole to be supported on the spline shaft 6 so as to avoid axial relative displacement between the spline shaft 6 and the main shaft 7 during working. The design of the horizontal rotating shaft is convenient for connection and maintenance. The two spline shafts 6 can also be adjusted in distance before working to adjust the distance between the two clamping hoops 20 for various sizes of brake cylinders 19.

The working principle is as follows:

when the clamping hoop is used, the clamping hoop 20 connected with the horizontal rotating shafts on the left support and the right support is used for clamping the brake cylinder 19, and for convenience in operation, the fixing part of the right support 22 and the rotary table 10 can be removed, so that the right support 22 can move outwards for a certain distance along the guide rail 9, and the brake cylinder 19 is guaranteed to enter a clamping range. And then push back the right support 22 to position. Because the outer diameters of the cylinder bodies of the brake cylinders 19 are different, when the diameter of the cylinder body clamping position of the brake cylinder 19 is different from the diameter of the cylinder body clamping position of the previous time greatly, the position of the left support 8 on the guide rail 9 needs to be adjusted simultaneously, the clamping is stable, and meanwhile, the center line of the cylinder body of the brake cylinder 19 is enabled to be coincident with the center line of the rotary table 10. When the diameter of the cylinder body clamping position of the brake cylinder 19 is smaller than the diameter of the cylinder body clamping position of the previous time, the distance between the two clamping hoops 20 can be adjusted slightly by adjusting the distance between the two spline shafts 6, so that the center line of the cylinder body of the brake cylinder 19 is coincided with the center line of the rotary table 10.

Firstly, drilling a flange body 18 at the upper end of a cylinder body of a brake cylinder 19, pushing a lifting cylinder 12 to move horizontally by a horizontal push-pull cylinder 14, after an image acquisition sensor 17 identifies a mark to be drilled, adjusting the horizontal position of the lifting cylinder 12 by the horizontal push-pull cylinder 14 to enable a drill rod of a drilling tool 16 below the lifting cylinder to align with the mark to be drilled, namely aligning to one point on a concentric circle, descending a cylinder rod of the lifting cylinder 12, simultaneously starting the drilling tool 16 to drive the drill rod to rotate, and realizing one drilling operation on the flange body 18; and then, the lifting oil cylinder 12 ascends, the drill rod ascends to exit the drilling, the rotary table 10 drives the left support, the right support and the cylinder body 19 on the left support and the right support to rotate for a set angle, the lifting oil cylinder 12 drives the drill rod to descend again to complete the next drilling operation, then all the drilling operations on the same flange body are completed according to the above, and the rotary table returns to the initial position.

The turning motor 3 is used for driving the horizontal rotating shaft to rotate 180 degrees, namely, the cylinder body of the brake cylinder 19 is driven to turn 180 degrees, and the flange body 23 at the other end of the brake cylinder faces upwards. The horizontal push-pull oil cylinder 14 pushes the lifting oil cylinder 12 to move horizontally, after the image acquisition sensor 17 identifies a mark to be drilled, which is drawn on the flange body 23 in advance, the horizontal push-pull oil cylinder 14 adjusts the horizontal position of the lifting oil cylinder 12 to enable a drill rod of a drilling tool 16 below the lifting oil cylinder to align with the mark to be drilled, namely, to align with one point on a concentric circle, the cylinder rod of the lifting oil cylinder 12 goes down, and simultaneously the drilling tool 16 is started to drive the drill rod to rotate, so that drilling operation on the flange body 23 is realized; and then, the lifting oil cylinder 12 ascends, the drill rod ascends to exit the drilling, the rotary table 10 drives the left support, the right support and the cylinder body of the upper brake cylinder 19 to rotate for a set angle, the lifting oil cylinder 12 drives the drill rod to descend again to finish the next drilling operation, then all the drilling operations on the same flange body are finished according to the above, the rotary table returns to the initial position, and the brake cylinder 19 is dismounted.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a railway vehicle brake cylinder flange body drilling equipment, includes support and drilling tool, its characterized in that: the support is L-shaped, a rotary table is arranged on the upper surface of the support, a left support and a right support are arranged on the upper surface of the rotary table at intervals, horizontal rotary shafts with coincident axial leads are arranged on the left support and the right support respectively, clamping hoops are arranged at opposite ends of the two horizontal rotary shafts respectively, sliding chutes are arranged on the lower surfaces of the left support and the right support, guide rails corresponding to the sliding chutes are arranged on the upper surface of the rotary table, a turnover motor connected with the horizontal rotary shafts is arranged on the left support, a cantilever support plate extending above the left support and the right support is arranged at the top end of the support, a U-shaped clamping port in the horizontal direction is arranged on the cantilever support plate, a lifting oil cylinder and a horizontal push-pull oil cylinder are arranged in the U-shaped clamping port, an outward-extending skirt edge is arranged on a cylinder body of the lifting oil cylinder, sliding grooves matched with the outward-extending skirt edges are arranged on two inner side walls of the U-shaped clamping port, the lower end of a cylinder rod of the lifting oil cylinder is fixedly connected with a vertically-arranged drilling tool, the horizontal push oil cylinder is positioned between two inner side walls of the U-pull port in the horizontal direction, and the outward-pull oil cylinder, and the sliding grooves of the U-pull oil cylinder are respectively parallel to the guide rails.

2. A railway vehicle brake cylinder flange body boring device according to claim 1, wherein: the clamping hoop is arc-shaped, a radial jackscrew hole is formed in the side wall of the clamping hoop, and a jackscrew used for fixing the brake cylinder is arranged in the radial jackscrew hole.

3. A railway vehicle brake cylinder flange body boring device according to claim 1, wherein: the center line of a drill rod of the drilling tool and the axis line of the horizontal rotating shaft are positioned in the same vertical plane, and an image acquisition sensor is fixed at the lower end of a shell of the drilling tool.

4. A railway vehicle brake cylinder flange body boring device according to claim 1, wherein: the horizontal rotating shaft is composed of a main shaft and a spline shaft, the main shaft is supported on a left support and a right support through a bearing seat, the spline shaft is connected with a central spline hole of the main shaft, one end of the spline shaft penetrates through the spline hole and then is welded and fixed with a clamping hoop, the other end of the spline shaft of the horizontal rotating shaft on the left support is in plug-in fit with a spline shaft sleeve fixed at the output end of an overturning motor, a stop block is fixed on a shaft section of the spline shaft located on two sides of the main shaft, a positioning hole is formed in the stop block, a positioning pin is arranged in the positioning hole, and the tip end of the positioning pin penetrates through the positioning hole and pushes against the spline shaft.

5. A railway vehicle brake cylinder flange body boring device according to claim 1, wherein: the connecting plate is fixed on the top surface of the cylinder body of the horizontal push-pull oil cylinder, the edges of two sides of the connecting plate are respectively lapped on the edge of the top surface of the U-shaped clamping port and fixed with the U-shaped clamping port, and the end part of a cylinder rod of the horizontal push-pull oil cylinder is provided with a connecting lug connected with the outward-extending skirt edge.