CN209131995U

CN209131995U - Brake experimental bench

Info

Publication number: CN209131995U
Application number: CN201822141047.6U
Authority: CN
Inventors: 刘杰
Original assignee: SHIJIAZHUANG FORCE SOURCE MACHINERY TECHNOLOGY Co Ltd
Current assignee: SHIJIAZHUANG FORCE SOURCE MACHINERY TECHNOLOGY Co Ltd
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2019-07-19
Anticipated expiration: 2028-12-20

Abstract

The utility model relates to brake technical fields, more particularly to a kind of brake experimental bench, including workbench, pedestal, the workbench setting is on the top of the base, mobile station is equipped between the workbench and the pedestal, the mobile station is equipped with chain clamping component and elevating mechanism, it is fixed on the pedestal of the mobile station side that there are two the first support frames of simultaneously column distribution, it is fixed on the pedestal of the mobile station other side that there are two the second support frames of simultaneously column distribution, weighing apparatus power component is equipped between two the first support frames between two the second support frames, the weighing apparatus power component includes the first cylinder, weight, guide rod, the first cylinder setting is on the base, the weight is placed on the first cylinder.Brake experimental bench provided by the utility model can detect hand wheel type and foot-operated two different form of brake on same testing stand, have the advantages that structure simple, convenient test, inspection criterion and accurate.

Description

Brake experimental bench

Technical field

The utility model relates to brake technical fields, and in particular to a kind of brake experimental bench.

Background technique

Hand brake is to come manipulation and control, structure for braking motive power with manpower with the rotation direction of handwheel and hand-power size It makes simply, it is low-cost, it is that railway uses brake most remote in history.On the one hand hand brake is to make train in any feelings Slow down under condition or stop, it is ensured that the safety of driving；On the other hand it is also the speed of service for improving train, improves trailing weight, i.e., The important means of railway transport capacity is improved, braking force of train is a kind of artificial caused resistance that can be controlled and be adjusted by driver Power is by the external force for acting on the prevention train operation formed by wheel rail adhesion of locomotive, Vehicular brake device generation, braking Can the size of ability be directly related to vehicle and park safely as required, with the continuous improvement of load-carrying, wants to hand brake force It asks and also correspondinglys increase；Foot-operated brake is typically mounted on railway freight-car, and foot-operated brake is assembled on railway freight-car Afterwards, it should often make a service test on testing stand, to test the braking of foot-operated brake and alleviate performance, be allowed to meet Associated specifications.

Handwheel brake and foot-operated brake are all made of suitable chain as power output, and chain power output is to guarantee vehicle Stopping power plays a crucial role.And testing stand used in hand wheel type brake and foot-operated brake is detected at present Be it is separated, the performance of two kinds of brakes can not be detected on a testing stand, it is inconvenient to use, and existing part test platform Structure is simple and crude, and test is inconvenient, lacks the mobile station that can not be moved up and down, reduces detection accuracy.

Utility model content

In order to solve the problems existing in the prior art, the utility model provides a kind of brake experimental bench, can be in same examination Test and detect hand wheel type and foot-operated two different form of brake on platform, have simple structure, convenient test, inspection criterion and Accurate advantage.

In order to achieve the above purposes, the technical solution adopted by the utility model is:

A kind of brake experimental bench, including workbench, pedestal, the workbench setting are on the top of the base, described Brake fixed mechanism is set on workbench, mobile station is equipped between the workbench and the pedestal, is set in the mobile station There are chain clamping component and elevating mechanism, fixed first there are two simultaneously column distribution supports on the pedestal of the mobile station side Frame, on the pedestal of the mobile station other side it is fixed there are two and column distribution the second support frame, between two the first support frames Weighing apparatus power component is equipped between two the second support frames, the weighing apparatus power component includes the first cylinder, weight, guide rod, described First cylinder is arranged on the base, and the weight is placed on the first cylinder, and the top center of the weight is equipped with Puller strap, the guide rod can move up and down through the weight and in weight, the bottom end of the guide rod and the bottom Seat is fixedly connected；Pulley is equipped with above weighing apparatus power component between two the second support frames.

Preferably, it is fixed with support rod between two the second support frames, the support rod is fixedly connected with the pulley.

In any of the above-described scheme preferably, the branch being fixedly connected with guide rod is fixed between two the second support frames Fagging, the second support frame close to mobile station are equipped with the first pilot hole.

In any of the above-described scheme preferably, being equipped on the workbench and support plate can be such that puller strap passes through Second pilot hole, position corresponding with chain clamping component offers third pilot hole on the workbench.

In any of the above-described scheme preferably, the mobile station is equipped with tension sensor, the chain clamping component It is fixedly connected by tension sensor with the top center of the mobile station.

In any of the above-described scheme preferably, the elevating mechanism includes motor, retarder, and the motor passes through deceleration There are two the lead screws being distributed side by side in parallel for device connection, and the lead screw is through the mobile station and is threadedly coupled with it, the lead screw One end and the workbench be rotatablely connected.

In any of the above-described scheme preferably, the brake fixed mechanism includes that mounting table, workpiece hold down assembly, institute The workbench stated between mounting table and the power component that weighs is fixedly connected, several positioning bolts are arranged on the antetheca of the mounting table, The workpiece, which holds down assembly, is arranged in the rear side of the mounting table.

In any of the above-described scheme preferably, the workpiece hold down assembly including be fixedly connected sequentially the second cylinder, Set casing, pressing plate, the pressing plate are set in the set casing, and the fixed company of the piston rod on the pressing plate and second cylinder It connects, is rotatably connected to pull rod on the pressing plate of second cylinder two sides respectively, the pull rod runs through the pressing plate and mounting table, institute Stating pull rod can move in pressing plate and mounting table along its axis, be fixed with compression bar on the pull rod on front side of the mounting table.

In any of the above-described scheme preferably, disk, the disk and pressure are fixed on the pull rod on rear side of the pressing plate Spring is cased on pull rod between plate, the spring is fixedly connected with the disk and pressing plate respectively.

In any of the above-described scheme preferably, the fixed company in the top of first support frame and the bottom of the workbench It connects, the second support frame close to the mobile station is fixedly connected with the workbench.

Compared with prior art, brake experimental bench provided by the utility model has the advantages that

1, it by elevating mechanism, the comprehensive function of mobile station, the power component that weighs, realizes and is able to detect on same testing stand Hand wheel type and foot-operated two different form of brake have structure simple, convenient test, inspection criterion and accurately excellent Point；

2, weighing apparatus power component is respectively set by the two sides in mobile station, in the effect of weighing apparatus power component and the cooperation of the first support frame It is lower to realize the function of applying weighing apparatus power to foot-operated brake, it is real under the comprehensive function of the second support frame, pulley and weighing apparatus power component Now apply the function of weighing apparatus power to hand wheel type brake, that is, the torque value exported does not change, and it is defeated to reach imitation staff The effect of power output；

3, by the setting of elevating mechanism, mobile station can be driven to move up and down, so that it is mobile to pull chain, and be arranged Weight gravity it is constant, i.e., under same torque, can detecte the power output of chain different length position by tension sensor, It realizes detection function, satisfies the use demand；

4, it is held down assembly, is may be implemented to hand wheel type and foot-operated by the way that positioning bolt and workpiece are arranged on mounting table The fixation of brake two ways has the advantages that fixation is simple, secured.

Detailed description of the invention

Fig. 1 is the overall structure diagram of a preferred embodiment of the brake experimental bench of the utility model；

Fig. 2 is the top view that workpiece holds down assembly in embodiment illustrated in fig. 1；

Fig. 3 is the structural schematic diagram that hand wheel type brake is tested in embodiment illustrated in fig. 1；

Fig. 4 is the structural schematic diagram different from Fig. 2 detection length of chain.

Explanation: 1, workbench is marked in figure；2, pedestal；3, the first cylinder；4, guide rod；5, link；6, lead screw；7, slow down Device；8, motor；9, compression bar；10, the second cylinder；11, mounting table；12, the second support frame；13, support plate；14, the second pilot hole； 15, support rod；16, pulley；17, the first pilot hole；18, mobile station；19, tension sensor；20, it links up with；21, the first support Frame；22, weight；23, set casing；24, puller strap；25, chain；26, pull rod；27, pressing plate；28, positioning bolt.

Specific embodiment

In order to be further understood that the summary of the invention of the utility model, this reality is elaborated below in conjunction with specific embodiment With novel.

As shown in Figs 1-4, according to an embodiment of the brake experimental bench of the utility model, including workbench 1, pedestal 2, The top of the pedestal 2 is arranged in the workbench 1, and brake fixed mechanism, the workbench 1 is arranged on the workbench 1 Mobile station 18 is equipped between the pedestal 2, the mobile station 18 is equipped with chain clamping component and elevating mechanism, the movement On the pedestal 2 of 18 side of platform it is fixed there are two and column distribution the first support frame 21, on the pedestal 2 of 18 other side of mobile station There are two fixations and the second support frame 12 of column distribution, between two the first support frames 21 between two the second support frames 12 Equipped with weighing apparatus power component, the weighing apparatus power component includes the first cylinder 3, weight 22, guide rod 4, and first cylinder 3 is arranged described On pedestal 2, the weight 22 is placed on the first cylinder 3, and the piston rod free end on the first cylinder is fixed with mandril, mandril with The bottom center of weight can contact, and the top center of the weight 22 is equipped with puller strap 24, and the guide rod 4 passes through It wears the weight 22 and can move up and down in weight 22, the bottom end of the guide rod 4 is fixedly connected with the pedestal 2；Two Pulley 16 is equipped with above weighing apparatus power component between a second support frame 12.

Support rod 15, the both ends of the support rod 15 and phase are equipped with above weighing apparatus power component between two the second support frames 12 The second adjacent support frame 12 is fixedly connected, and the support rod 15 is fixedly connected with the pulley 16.

4 top of guide rod between two the first support frames 21 is fixedly connected with the workbench 1, the guide rod 4 Number is two and is located at the two sides of the first cylinder 3, is fixed between two the second support frames 12 and the fixed company of guide rod 4 The support plate 13 connect, the second support frame 12 close to mobile station 18 are equipped with the first pilot hole 17, and puller strap 24 is in 16 He of pulley Make puller strap when passing through out of first pilot hole 17 in horizontality under the cooperation of first pilot hole 17.

The weight 22 is equipped with link 5, and one end of the puller strap 24 is fixedly connected with the link 5, the work Be equipped with the second pilot hole 14 that puller strap can be made to pass through on platform 1 and support plate 13, on the workbench 1 with chain clamping group The corresponding position of part offers third pilot hole, and third pilot hole can be such that chain 25 passes through.

The mobile station 18 be equipped with tension sensor 19, the chain clamping component by tension sensor 19 with it is described The top center of mobile station 18 is fixedly connected, and the chain clamping component can be hook 20 or other clamp systems.

The elevating mechanism includes motor 8, retarder 7, and there are two divide side by side in parallel by retarder connection for the motor The lead screw of cloth, the lead screw are threadedly coupled through the mobile station and with it, and retarder is two, and two retarders mutually interconnect It connects, the motor 8 is connect with one of retarder 7, is connected separately with the lead screw 6, the silk on two retarders 7 The one end of thick stick 6 far from retarder 7 and the workbench 1 are rotatablely connected.The motor 8, retarder 7 are both secured to the pedestal 2 On, the motor can be with stepper motor or servo motor.

The brake fixed mechanism includes that mounting table 11, workpiece hold down assembly, the mounting table 11 and weighing apparatus power component it Between workbench 1 be fixedly connected, several positioning bolts 28 are set on the antetheca of the mounting table 11, and positioning bolt is for making hand Wheeled brake or foot-operated brake are inserted on positioning bolt, play positioning action, and the workpiece, which holds down assembly, to be arranged in institute State the rear side of mounting table.

The workpiece holds down assembly including the second cylinder 10, set casing 23, the pressing plate 27 being fixedly connected sequentially, the fixation Shell 23 is fixedly connected with the rear wall of the mounting table 11, and second cylinder 10 is fixedly connected with the set casing 23, the pressure Plate 27 is set in the set casing 23, and the pressing plate 27 is fixedly connected with the piston rod on second cylinder 10, and described the Pull rod 26 is rotatably connected on the pressing plate 27 of two cylinders, 10 two sides respectively, the pull rod 26 runs through the pressing plate 27 and mounting table 11, the pull rod 26 can move in pressing plate 27 and mounting table 11 along its axis, on the pull rod 26 of 11 front side of mounting table It is fixed with compression bar 9.

It is fixed with disk on the pull rod 26 of 27 rear side of pressing plate, is cased on the pull rod 26 between the disk and pressing plate 27 Spring, the spring are fixedly connected with the disk and pressing plate 27 respectively.

The top of first support frame 21 is fixedly connected with the bottom of the workbench 1, close to the mobile station 18 Second support frame 12 is fixedly connected with the workbench 1.

Control cabinet is fixed on the side wall of first support frame, the control cabinet is equipped with display screen, and display screen is touching It touches display screen, is equipped with PLC controller in the control panel, PLC controller can be siemens PLC or other controllers, The tension sensor, the first cylinder, the second cylinder, motor, display screen are connect with PLC controller, are shown on display screen Control the first cylinder, the second cylinder, motor start and stop key.

The working principle of the present embodiment: the position for needing to detect chain length is moved to by elevating mechanism drive mobile station 18 It sets, chain and hook 20 is caught on, when detecting to foot-operated brake, it is fixed that the location hole on foot-operated brake is inserted in On the bolt of position, compression bar 9 is made to rotate counterclockwise 90 ° manually, be then turned on the second cylinder 23 makes pull rod 26 to close to foot with dynamic pressure plate It is mobile to step on formula brake direction, until compression bar 9 compresses foot-operated brake, then by the puller strap between the first support frame 21 24 connect with foot-operated brake, open the first cylinder 3 and move down, and are detached from piston rod and weight 22 on the first cylinder 3, To make weight 22 support without external force, weight 22 tenses puller strap 24 under self gravitation effect, and to foot-operated brake Pulling force is generated, since the distance between pulling force and chain on foot-operated brake are constant, that is, the torque generated is constant, passes through pulling force Sensor 19 measures the power output that chain generates, and the output force signal of measurement is passed to PLC controller, PLC by tension sensor Controller shows information by display screen, detection function is realized, when the output for needing to detect chain different length position When power, mobile station 18 is pushed to be moved to designated position by elevating mechanism, it, will when being detected to hand wheel type brake Location hole on hand wheel type brake is inserted on positioning bolt, is then repeated above-mentioned compression and is operated, after compression, the second support frame 12 Between puller strap 24 be then passed through the first pilot hole 17 around pulley 16 and connect with the hole on handwheel, then by the first cylinder 3 It is detached from mandril and weight 22, weight 22 tenses puller strap 24, and generates pulling force to hand wheel type brake, due to pulling force and hand The distance between chain is constant on wheeled brake, that is, the torque generated is constant, then detects chain by tension sensor 19 Power output, realize hand wheel type brake detection function, again may be by elevating mechanism drive mobile station 18 move up and down Detect the power output of chain different length position, when elevating mechanism works, motor 8 drives retarder 7 to rotate, to make lead screw 6 rotations, due to connecting two lead screws 6 in mobile station 18, mobile station 18 can only move up and down, and realize and different length chain The connection of item, it should be noted that the different chain of length refers to that the chain length between mobile station 18 and brake is different, Chain is integrally wrapped on brake, realizes change chain length by the winding and relieving of chain.

Compared with prior art, the present embodiment has the advantages that

By elevating mechanism, the comprehensive function of mobile station, the power component that weighs, realizes and be able to detect hand on same testing stand Wheeled and foot-operated two different form of brake, has the advantages that structure is simple and convenient to operate, work efficiency is high.

It will be apparent to those skilled in the art that the brake experimental bench of the utility model includes above-mentioned the utility model explanation Any combination of each section shown by the summary of the invention and specific embodiment part and attached drawing of book, as space is limited and to make The concise each scheme without constituting these combinations of specification describes one by one.It is all the spirit and principles of the utility model it Any modification, equivalent substitution, improvement and etc. that are interior, being done, should be included within the scope of protection of this utility model.

Claims

1. a kind of brake experimental bench, including workbench, pedestal, the workbench is arranged on the top of the base, the work Make that brake fixed mechanism is arranged on platform, it is characterised in that: be equipped with mobile station, the shifting between the workbench and the pedestal Dynamic platform is equipped with chain clamping component and elevating mechanism, on the pedestal of the mobile station side it is fixed there are two and column distribution the One support frame, on the pedestal of the mobile station other side it is fixed there are two and column distribution the second support frame, two first supports Weighing apparatus power component is equipped between frame between two the second support frames, the weighing apparatus power component includes the first cylinder, weight, guiding Bar, on the base, the weight is placed on the first cylinder, the top center portion of the weight for the first cylinder setting Position is equipped with puller strap, the guide rod through the weight and can move up and down in weight, the bottom end of the guide rod with The pedestal is fixedly connected；Pulley is equipped with above weighing apparatus power component between two the second support frames.

2. brake experimental bench according to claim 1, it is characterised in that: be fixed with support between two the second support frames Bar, the support rod are fixedly connected with the pulley.

3. brake experimental bench according to claim 1, it is characterised in that: be fixed with and lead between two the second support frames The support plate being fixedly connected to bar, the second support frame close to mobile station are equipped with the first pilot hole.

4. brake experimental bench according to claim 1, it is characterised in that: being equipped on the workbench and support plate can So that the second pilot hole that puller strap passes through, position corresponding with chain clamping component offers third and leads on the workbench Xiang Kong.

5. brake experimental bench according to claim 1, it is characterised in that: the mobile station is equipped with tension sensor, The chain clamping component is fixedly connected by tension sensor with the top center of the mobile station.

6. brake experimental bench according to claim 1, it is characterised in that: the elevating mechanism includes motor, retarder, The motor by retarder connection there are two the lead screw that is distributed side by side in parallel, the lead screw through the mobile station and with its spiral shell Line connection, one end of the lead screw and the workbench are rotatablely connected.

7. brake experimental bench according to claim 1, it is characterised in that: the brake fixed mechanism includes placing Platform, workpiece hold down assembly, and the workbench between the mounting table and weighing apparatus power component is fixedly connected, the antetheca of the mounting table Upper several positioning bolts of setting, the workpiece, which holds down assembly, is arranged in the rear side of the mounting table.

8. brake experimental bench according to claim 7, it is characterised in that: the workpiece holds down assembly including successively fixing The second cylinder, the set casing, pressing plate of connection, the pressing plate are set in the set casing, and the pressing plate and second cylinder On piston rod be fixedly connected, be rotatably connected to pull rod on the pressing plate of second cylinder two sides respectively, the pull rod runs through institute Pressing plate and mounting table are stated, the pull rod can move in pressing plate and mounting table along its axis, the pull rod on front side of the mounting table On be fixed with compression bar.

9. brake experimental bench according to claim 8, it is characterised in that: be fixed with circle on the pull rod on rear side of the pressing plate Disk is cased with spring on the pull rod between the disk and pressing plate, and the spring is fixedly connected with the disk and pressing plate respectively.

10. brake experimental bench according to claim 1 to 9, it is characterised in that: first support frame Top is fixedly connected with the bottom of the workbench, close to the second support frame of the mobile station and the fixed company of the workbench It connects.