CN210189660U - Assembly machine is constituteed to passenger train bogie brake shoe holder - Google Patents
Assembly machine is constituteed to passenger train bogie brake shoe holder Download PDFInfo
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- CN210189660U CN210189660U CN201920735711.1U CN201920735711U CN210189660U CN 210189660 U CN210189660 U CN 210189660U CN 201920735711 U CN201920735711 U CN 201920735711U CN 210189660 U CN210189660 U CN 210189660U
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- brake shoe
- brake
- assembly
- brake head
- sliding table
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Abstract
The utility model belongs to railway rolling stock braking field, concretely relates to passenger train bogie brake shoe holds in palm and constitutes assembly machine. The assembly machine comprises an assembly mounting rack, a driving device, a pressing mechanism and an electric control system; the positioning device and the clamping mechanism on the mounting rack are used for fixing the brake shoe support, and the electric control system is used for controlling the driving device to enable the brake shoe to move on the dovetail groove sliding table on the mounting rack and be assembled with the brake shoe support. The assembly of the brake shoe holder is realized by adopting an automatic control technology to control the motor to push the screw rod and the pressing mechanism, the automation of the assembly process is realized, and the assembly speed and the pressure are controllable; the steps are accurately positioned by adopting a sensing technology, the dovetail-shaped notches of the brake shoe holder and the brake shoe are accurately butted, the mounting gap is controlled by the quality inspection step, the assembly precision is ensured, and the assembly quality is improved; the installation of whole brake head group only needs about 1 minute to accomplish, has improved assembly efficiency, has reduced operator's intensity of labour.
Description
Technical Field
The utility model belongs to railway rolling stock braking field, concretely relates to passenger train bogie brake shoe holds in palm and constitutes assembly machine.
Background
At present, the brake head of a passenger car is assembled by knocking and mounting a rubber hammer or assembling the brake head by an oil press. Adopt the rubber hammer to strike the installation, strike the in-process of installation and cause the brake head to hold in the palm the atress uneven easily, the installation is hard, the installation wastes time, install scheduling problem repeatedly. The installation of the oil press is difficult to control, so that the brake shoe sheet is easy to extrude and deform, the assembly pressure is difficult to control, and the assembly speed is slow; the efficiency is lower, and the butt joint of dovetail type notch is not good, can cause the too big scheduling quality problem in brake shoe installation clearance simultaneously, influences passenger train operation safety.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at: aiming at the existing problems, the assembling machine and the assembling method for the brake head components of the passenger car bogie are provided, the problem that the brake head components are easy to damage in the installation process of products is solved, and meanwhile, the assembling quality of the brake head components is improved, so that the running safety of a passenger car is improved.
The utility model discloses a following technical scheme:
an assembly machine for brake head components of a passenger car bogie comprises an assembly mounting rack, a driving device, a brake head pressing mechanism and an electrical control system; the assembling and mounting rack is provided with a mounting platform, a dovetail groove sliding table is fixed on the mounting platform, and a brake shoe support positioning device is fixed at the front end of the dovetail groove sliding table; a driving device is arranged on one side of the dovetail groove sliding table on the assembling and mounting rack, and the driving device is an electric screw rod driven by a motor provided with a frequency converter; a brake shoe holder pressing mechanism is arranged on the other side of the dovetail groove sliding table; the electric control system provides power supply and control for other mechanisms of the assembling machine consisting of the brake shoe supports of the bogie of the passenger car; the central lines of the electric screw rod, the dovetail groove sliding table and the brake head support positioning device are positioned on the same straight line. The assembly speed is controlled by a motor provided with a frequency converter, stepless speed regulation is realized, and speed control can be carried out according to the press mounting position.
The brake head positioning device is used for realizing the positioning of the brake head, and a clamping mechanism is adopted to ensure the accurate positioning; the dovetail groove sliding table is adopted to ensure that the brake tile is aligned with a dovetail groove opening of the brake tile holder, and the propelling is realized through the rail, so that the accurate positioning is realized; the frequency converter technology is adopted to control the motor to drive the lead screw to realize the driving of brake shoe assembly, and the stability and the accuracy of pushing are ensured.
Alternatively, the brake head pressing mechanism is a clamping cylinder piston rod or an electric push rod.
The electric control system comprises an intelligent power distribution cabinet, a PLC control assembly and a touch screen. The intelligent power distribution cabinet distributes power and collects data of each electrical device, the PLC control assembly can compile a PLC program according to needs, the PLC assembly is used for controlling the driving device and the brake shoe support pressing mechanism, automation of assembly of the brake shoe support can be achieved, the touch screen is connected with other assemblies of the electrical control system to achieve touch control, one-key full automation can be achieved, and step-by-step manual single-point control can also be achieved.
In a preferred scheme of the utility model, a screw rod displacement sensor is arranged beside the electric screw rod, a brake pad in-place sensor is arranged between the mounting platform and the brake shoe support clamping cylinder, and a brake shoe support pressing sensor and a brake shoe support loosening sensor are respectively arranged at the front end and the rear end of the brake shoe support clamping cylinder; and each sensor is connected with an electrical control system. And each sensor adopts a photoelectric sensor, so that the running point position of the driving device and the running point position of the clamping device can be accurately positioned, and the accuracy and the smoothness of assembly are ensured.
In another preferred embodiment of the present invention, a gap sensor is further installed between the mounting platform and the brake shoe holder clamping cylinder. The gap sensor can carry out the clearance to the brake head group after the installation is accomplished and detect, compares testing result and qualified data, and unqualified retreats the assembly again, increases and detects guarantee passenger train operation security nature.
In another preferred embodiment of the present invention, the dovetail sliding table is detachably fixed to the mounting platform. Should can dismantle bar dovetail and use the change of being convenient for after wearing and tearing, ensure to align with the forked tail notch of brake head, ensure that the brake shoe is at the skew direction of propulsion in-process, guarantee that the installation once accomplishes.
The utility model discloses an in another preferred scheme, brake head holds in palm positioner guarantees positioning accuracy including installing main locating pin on the dovetail slip table and each auxiliary locating pin of bilateral symmetry, ensures that the dovetail of brake head piece can aim at the notch.
The process of assembling the brake head assembly by using the assembling machine for assembling the brake head assembly of the passenger car bogie comprises the following steps:
1) positioning the brake head by using a positioning device, locking the brake head by using a butterfly pin, pressing by using a clamping cylinder, and sending a clamping signal by using a brake head pressing sensor;
2) placing the brake shoe sheet on a dovetail groove sliding table to ensure that the brake shoe sheet is aligned with the dovetail groove opening of the brake shoe support;
3) when the brake shoe is assembled and started, the motor drives the electric screw rod to push the brake shoe forward at the speed of 0.4-0.6m/min, preferably 0.5m/min, the brake shoe is slowly aligned with the dovetail notch, when the electric screw rod pushes the brake shoe to enter the dovetail notch of the brake shoe holder by 10mm, the pushing speed is increased and 1.5-2.5m/min, preferably 2m/min, the electric screw rod is quickly pushed until the brake shoe in-place sensor sends out an in-place signal, and the electric screw rod stops moving forward and then exits; the dovetail notch needs to be aligned when the assembly is started, slow propulsion is adopted, and the assembly is finished by fast propulsion after entering the notch;
4) gap detection and analysis are carried out on the brake head assembly after the installation by a gap sensor, the brake head assembly is used after being qualified, and otherwise, the brake head assembly is withdrawn and assembled again;
5) and after the assembly is finished, the clamping cylinder is released and retreated until the brake head releasing sensor sends a releasing signal.
And further, the brake shoe sheet is withdrawn from the operation, the grinding tool sleeve with the shape and the size matched with the brake shoe sheet is sleeved at one end of the grinding tool sleeve, the brake shoe sheet is clamped at one end of the grinding tool sleeve on the clamping groove of the electric screw rod, and then the servo driving device is operated to run reversely to withdraw the brake shoe sheet from the brake shoe support.
In the whole operation process, the touch screen or a PLC development software program can be adopted to realize the automatic or manual control of the brake shoe assembly machine.
Owing to adopted above technical scheme, the utility model has the advantages of: the assembly of the brake shoe holder is realized by adopting an automatic control technology to control the motor to push the screw rod and the pressing mechanism, the automation of the assembly process is realized, and the assembly speed and the pressure are controllable; the steps are accurately positioned by adopting a sensing technology, the dovetail-shaped notches of the brake shoe holder and the brake shoe are accurately butted, the mounting gap is controlled by the quality inspection step, the assembly precision is ensured, and the assembly quality is improved; the installation of whole brake head group only needs about 1 minute to accomplish, has improved assembly efficiency, has reduced operator's intensity of labour.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the components of the present invention located on the same horizontal centerline;
the labels in the figure are: the brake shoe support device comprises a mounting rack 1, a servo motor 2, an electric screw rod 3, a clamping cylinder 4, a main positioning pin 5, an auxiliary positioning pin 6, a dovetail groove sliding table 7, an intelligent power distribution cabinet 8, a touch screen 9, a screw rod displacement sensor 10, a brake pad in-place sensor 11, a brake shoe support pressing sensor 12, a brake shoe support loosening sensor 13, a gap sensor 14, a brake shoe support 15, a butterfly pin 16 and a brake shoe 17.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in figure 1, the assembling machine for the brake head assembly of the passenger car bogie comprises an assembling and mounting rack 1, a servo motor 2 with a frequency converter, an electric screw rod 3 connected with the servo motor, a clamping cylinder 4 and an electric control system; the assembling and mounting rack 1 is provided with a mounting platform, a dovetail groove sliding table 7 is detachably fixed on the mounting platform, specifically, the dovetail groove sliding table 7 is fixed with the mounting platform with a preset threaded seat through a screw, the front end of the dovetail groove sliding table is fixed with a brake shoe support positioning device, and the brake shoe support positioning device comprises a main positioning pin 5 mounted on the dovetail groove sliding table and auxiliary positioning pins 6 which are symmetrical on two sides of the main positioning pin; a servo motor 2 is arranged on the left side of the dovetail groove sliding table 7 on the assembling and installing rack, and a clamping cylinder 4 is arranged on the right side of the dovetail groove sliding table 7; during installation, the central lines of the electric screw rod 3, the dovetail groove sliding table 7 and the brake shoe support positioning device are ensured to be positioned on the same straight line.
The electric control system is arranged on the left side of the dovetail groove sliding table 7 and comprises an intelligent power distribution cabinet 8, a PLC assembly and a touch screen 9 which are connected with each other, the intelligent power distribution cabinet 7 provides power supply and data acquisition support for each terminal, the PLC assembly is connected with the servo motor 2 and the clamping cylinder 4, automatic operation of pushing, clamping and quitting can be achieved through a PLC program, and the touch screen 9 can be used for displaying control parameters and performing manual touch control; the assembly speed is controlled by a motor provided with a frequency converter, stepless speed regulation is realized, and speed control can be carried out according to the press mounting position.
Furthermore, a screw rod displacement sensor 10 is arranged beside the electric screw rod on the servo motor 2, a brake pad in-place sensor 11 is arranged between the mounting platform and the brake shoe support clamping cylinder 4, and a brake shoe support pressing sensor 12 and a brake shoe support loosening sensor 13 are respectively arranged at the front end and the rear end of the brake shoe support clamping cylinder 4; and each sensor is connected with an electrical control system. And a gap sensor 14 is also arranged between the mounting platform and the brake head clamping cylinder 4. The gap sensor 14 can perform gap detection on the installed brake head assembly. And each sensor adopts a photoelectric sensor, so that the running point position of the driving device and the running point position of the clamping device can be accurately positioned, and the accuracy and the smoothness of assembly are ensured.
With reference to fig. 1 and 2, the implementation process of the present invention is as follows:
1) the brake head 15 is arranged in three positioning pins, the brake head 15 is locked by butterfly pins 16, a piston rod of a clamping cylinder 4 is pushed from right to left to clamp the brake head 15 under the control of a touch screen 9, and the piston rod stops moving after a clamping signal is sent by a brake head pressing sensor 12;
2) the brake shoe piece 17 is placed on the dovetail groove sliding table 7, and the center lines of the dovetail groove sliding table 7 and the brake shoe support positioning device are located on the same straight line, so that the brake shoe piece 17 is aligned with the dovetail-shaped notch of the brake shoe support 15, and the brake shoe piece 17 is relatively easy to butt with the brake shoe support 15;
3) the servo motor 2 drives the electric screw rod 3 to push the brake shoe 17 at a speed of 0.5m/min, when the electric screw rod 3 pushes the brake shoe 17 into a dovetail notch of the brake shoe holder 15 by 10mm, the electric screw rod 3 pushes at a speed of 2m/min until the brake shoe in-place sensor 11 sends out an in-place signal, and the electric screw rod 3 stops moving forwards and returns at a constant speed; in the operation step, the advanced assembly distance is provided with a signal by the screw rod displacement sensor 10, the servo motor 2 can realize stepless speed regulation, the protection pushing step is stable, the speed is easy to control, the gate tile 17 cannot be extruded and deformed, and in addition, the speed can be controlled according to the press mounting position under special conditions;
4) gap detection and analysis are carried out on the brake head assembly after the installation by a gap sensor 14, the brake head assembly is used after being qualified, and otherwise, the brake head assembly is withdrawn and assembled again; the brake shoe 17 is withdrawn from operation, one end of a grinding tool sleeve which is matched with the brake shoe in shape and size is sleeved into the brake shoe 17, the other end of the grinding tool sleeve is clamped on a clamping groove of the electric screw rod, then the servo driving device is operated to run reversely, and the brake shoe 17 is withdrawn from the brake shoe support 15;
5) after the assembly is completed, the clamping cylinder 4 is released and retreated until the brake head releasing sensor 13 sends out a releasing signal to stop.
In the scheme, after the brake shoe support 15 is manually installed and compressed, the touch screen 9 and a PLC development software program are adopted to realize automatic or manual control of the brake shoe assembly machine, the whole assembly process can be automatically completed at one time without adjustment, and the brake shoe assembly machine can also be manually assembled according to needs. The brake shoe assembly machine is adopted to install the brake shoe, and the brake shoe support 15 can be automatically installed in only 1 minute. The assembly efficiency is improved, and the labor intensity of operators is reduced. The brake head after the assembly is completed is formed, the gap positioning is accurate, the quality is excellent, the gap detection step is arranged, and the yield of the brake head assembly is 100%.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an assembly machine is constituteed to passenger train bogie brake head which characterized in that: the brake head pressing mechanism comprises an assembling and mounting rack, a driving device, a brake head pressing mechanism and an electric control system; the assembling and mounting rack is provided with a mounting platform, a dovetail groove sliding table is fixed on the mounting platform, and a brake shoe support positioning device is fixed at the front end of the dovetail groove sliding table; a driving device is arranged on one side of the dovetail groove sliding table on the assembling and mounting rack, and the driving device is an electric screw rod driven by a motor provided with a frequency converter; a brake shoe holder pressing mechanism is arranged on the other side of the dovetail groove sliding table; the electric control system provides power supply and control for other mechanisms of the assembling machine consisting of the brake shoe supports of the bogie of the passenger car; the central lines of the electric screw rod, the dovetail groove sliding table and the brake head support positioning device are positioned on the same straight line.
2. The passenger car bogie brake head assembly machine of claim 1, wherein: the brake shoe holder pressing mechanism is a clamping cylinder piston rod or an electric push rod.
3. The passenger car bogie brake head assembly machine of claim 1, wherein: the electric control system comprises an intelligent power distribution cabinet, a PLC control assembly and a touch screen.
4. The passenger car bogie brake head assembly machine of claim 3, wherein: a screw rod displacement sensor is arranged beside the electric screw rod, a brake pad in-place sensor is arranged between the mounting platform and the brake shoe holder clamping cylinder, and a brake shoe holder pressing sensor and a brake shoe holder loosening sensor are respectively arranged at the front end and the rear end of the brake shoe holder clamping cylinder; and each sensor is connected with an electrical control system.
5. The passenger car bogie brake head assembly machine of claim 4, wherein: and a gap sensor is also arranged between the mounting platform and the brake head clamping cylinder.
6. The passenger car bogie brake head assembly machine of claim 1, wherein: the dovetail groove sliding table is detachably fixed on the mounting platform.
7. The passenger car bogie brake head assembly machine of claim 1, wherein: the brake head support positioning device comprises a main positioning pin arranged on the dovetail groove sliding table and auxiliary positioning pins which are symmetrical on two sides of the main positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735711.1U CN210189660U (en) | 2019-05-22 | 2019-05-22 | Assembly machine is constituteed to passenger train bogie brake shoe holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735711.1U CN210189660U (en) | 2019-05-22 | 2019-05-22 | Assembly machine is constituteed to passenger train bogie brake shoe holder |
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| Publication Number | Publication Date |
|---|---|
| CN210189660U true CN210189660U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920735711.1U Active CN210189660U (en) | 2019-05-22 | 2019-05-22 | Assembly machine is constituteed to passenger train bogie brake shoe holder |
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| CN (1) | CN210189660U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281187A (en) * | 2019-05-22 | 2019-09-27 | 中车成都机车车辆有限公司 | A kind of passenger car bogie brake head composition assembly machine and assembly method |
| CN112025616A (en) * | 2020-08-15 | 2020-12-04 | 重庆工程职业技术学院 | Separation tool for bogie and vehicle body of subway carriage |
-
2019
- 2019-05-22 CN CN201920735711.1U patent/CN210189660U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281187A (en) * | 2019-05-22 | 2019-09-27 | 中车成都机车车辆有限公司 | A kind of passenger car bogie brake head composition assembly machine and assembly method |
| CN112025616A (en) * | 2020-08-15 | 2020-12-04 | 重庆工程职业技术学院 | Separation tool for bogie and vehicle body of subway carriage |
| CN112025616B (en) * | 2020-08-15 | 2022-01-18 | 重庆工程职业技术学院 | Separation tool for bogie and vehicle body of subway carriage |
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