CN106680000B - Brake clamp testing stand - Google Patents

Brake clamp testing stand Download PDF

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Publication number
CN106680000B
CN106680000B CN201710004227.7A CN201710004227A CN106680000B CN 106680000 B CN106680000 B CN 106680000B CN 201710004227 A CN201710004227 A CN 201710004227A CN 106680000 B CN106680000 B CN 106680000B
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CN
China
Prior art keywords
brake clamp
turntable
bracket
sliding seat
testing stand
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN201710004227.7A
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Chinese (zh)
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CN106680000A (en
Inventor
孟艳红
姜衍猛
杜剑宇
张昭英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Qingdao Sifang Rolling Stock Research Institute Co Ltd
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CRRC Qingdao Sifang Rolling Stock Research Institute Co Ltd
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Priority to CN201710004227.7A priority Critical patent/CN106680000B/en
Publication of CN106680000A publication Critical patent/CN106680000A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/08Railway vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

Abstract

The present invention proposes a kind of brake clamp testing stand, bracket including brake clamp can be fixed, and can on perpendicular to holder orientation straight reciprocating motion turntable unit, there are two the position-limiting units of Liftable brake clamp for cradle top installation, the first through hole that can be socketed with brake clamp along the both ends of clamping direction is offered on position-limiting unit, bracket is provided with the first driving unit that brake clamp can be driven to rotate around first through hole axis, turntable unit includes the turntable that two sides can be braked clamp clamping simultaneously, and the second sliding seat of sustainable turntable two sides, second sliding seat is connected with the second driving unit that the second sliding seat can be driven to move along a straight line.Test result of the present invention is accurate, and high to brake clamp assembly efficiency.

Description

Brake clamp testing stand
Technical field
The invention belongs to rail vehicle braking technical field of test equipment more particularly to a kind of brake clamp testing stands.
Background technique
Brake clamp unit includes brake clamp and brake disc, is generally used for the higher railway locomotive of speed, city Rail vehicle, common railway car, high-speed EMUs etc. use the rail locomotive vehicle of disc braking, to realize rail locomotive vehicle Service braking (including air-pressure brake and hydraulic braking mode) and parking brake.Above-mentioned disc braking be on axle or Brake disc is installed in wheel web side, presses braking disc side with two brake linings made of synthetic material of brake clamp, To generate brake force by friction, so that train halts.
Brake clamp testing stand be for detect factory or after repairing brake clamp unit performance (including braking pressure Leakproofness etc. when power, braking distance and braking), to ensure the stable testing equipment of brake clamp unit performance.Pass through braking Nipper units retardation test it can be found that design there are the problem of, to provide reliable foundation to the improvement of system.
Chinese invention patent CN105043791A discloses a kind of pneumatic gripping testing stand, including pedestal, pneumatic gripping are solid Determine mechanism, two-freedom motion platform, clamp tension detection mechanism and displacement detecting mechanism;Pneumatic gripping fixed mechanism and two is freely Degree motion platform is each attached on pedestal;It clamps tension detection mechanism to be mounted on two-freedom motion platform, pneumatic gripping is fixed On pneumatic gripping fixed mechanism;False disk (i.e. simulating brake disk), which is installed on, to be clamped on tension detection mechanism;The two-freedom fortune Moving platform driving clamps tension detection mechanism and moves in X-axis and Z-direction.The clamp testing stand being capable of analog orbit vehicle dish type Braking process, and it is capable of detecting when the performance of brake clamp unit when brake clamp is in brake disc multiple positions.
However, causing to test acquired results since above-mentioned clamp testing stand is unable to real simulation locomotive brake process Inaccuracy, in addition, above-mentioned clamp testing stand is low to the assembly efficiency of brake clamp, to affect the detection effect entirely tested Rate.
Summary of the invention
The present invention is mismatched for existing clamp bench run process and the practical braking process of locomotive, and to braking The low technical problem of the assembly efficiency of clamp proposes that a kind of test result is accurate, and the system high to brake clamp assembly efficiency Dynamic clamp testing stand.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of brake clamp testing stand, the bracket including brake clamp can be fixed, and can be on perpendicular to holder orientation The turntable unit of straight reciprocating motion, there are two the position-limiting units of Liftable brake clamp for cradle top installation, on position-limiting unit The first through hole that can be socketed with brake clamp along the both ends of clamping direction is offered, bracket, which is provided with, can drive brake clamp around the First driving unit of one through-bore axis rotation, turntable unit include the turntable that two sides can be braked clamp clamping simultaneously, with And the second sliding seat of sustainable turntable two sides, the second sliding seat are connected with second that the second sliding seat can be driven to move along a straight line and drive Moving cell.
Preferably, bracket includes column, and is removably installed in the crossbeam at the top of column, offered at the top of column First adjustment portion of adjustable beam height, beam-end are connect with the first adjustment portion.
Preferably, position-limiting unit includes the lower limit part and upper limit part that can mutually splice, one end of lower limit part can It is releasably set to the top of bracket, offers the first through slot at the top of the other end of lower limit part, one end of upper limit part is removable It is installed on the top of lower limit part with unloading, the other end bottom of upper limit part offers the second through slot, and first through hole is led to by first Slot and the second through slot composition.
Preferably, being provided with adjustable limit unit at the top of bracket along the position being parallel on turntable axial direction The second adjustment portion set, position-limiting unit are connect by the second adjustment portion with bracket.
Preferably, the first driving unit is set to the lower section of position-limiting unit, the first driving unit includes that can drive braking The push-pull rod of clamp rotation, can push and pull the first sliding seat of push-pull rod, the first guide rail connecting with the first sliding seat, and can drive The first actuator that dynamic first sliding seat moves along a straight line along the first guide rail, one end of push-pull rod are hinge that can be hinged with brake clamp End is connect, the other end of push-pull rod and the first sliding seat are hinged.
Preferably, the second driving unit includes the second guide rail for being connected to the second sliding seat bottom, and can be driven The second actuator that two sliding seats move along a straight line along the second guide rail.
Preferably, turntable is set as mutually coaxial two, two turntable sides, which are connected separately with, can drive turntable edge Two third driving units of axial linear movement, third driving unit include the connector for being connected to turntable side, Yi Jike The third actuator of drive connection part linear motion.
Preferably, third actuator is that linear motor, hydraulic cylinder or cylinder are one kind of.
Preferably, the bottom that the second sliding seat corresponds to turntable is fixedly installed clump weight.
Preferably, the quantity of bracket is set as two, two brackets are respectively arranged at the two sides of turntable unit.
Compared with prior art, the advantages and positive effects of the present invention are:
1, brake clamp testing stand of the present invention is realized by setting position-limiting unit and the first driving unit to brake clamp Lifting, meanwhile, by setting turntable unit and the second driving unit, realize and test process turntable and brake clip in clamp Quick positioning between pincers, therefore, brake clamp testing stand of the present invention can obtain accurate test result, and improve pair The assembly and location efficiency of brake clamp.
2, brake clamp testing stand of the present invention is by setting third driving unit, so that turntable can be right before clamp test The action gap of different braking clamp is adjusted, and and then can be improved quickly and accurately with brake clamp centering The accuracy of brake clamp test installation and location efficiency and test result.
3, brake clamp testing stand of the present invention by setting bracket be positioned at two of turntable unit two sides, can be real with this Active clamp and passive grab now are loaded simultaneously, continuously active clamp and passive grab can be tested, and then significant Improve the efficiency of brake clamp test.
Detailed description of the invention
Fig. 1 is the overall structure diagram of brake clamp testing stand of the present invention;
Fig. 2 is the structural schematic diagram of bracket of the present invention;
Fig. 3 is the status diagram that bracket of the present invention installs brake clamp;
Fig. 4 is the structural schematic diagram of turntable unit of the present invention;
Fig. 5 is the main view of Fig. 1.
In above each figure: 1, bracket;2, position-limiting unit;3, turntable unit;4, first through hole;5, the first driving unit;6, Push-pull rod;7, the first sliding seat;8, the first guide rail;9, the first actuator;10, the second driving unit;11, the second guide rail;12, Two actuators;13, turntable;14, the second sliding seat;15, lower limit part;16, upper limit part;17, the first adjustment portion;18, second Adjustment portion;19, third driving unit;20, clump weight.
Specific embodiment
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one In the case where step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiments In.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower" is base In attached positional relationship shown in fig. 5, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion meaning Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to of the invention Limitation.In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply relatively heavy The property wanted.
As shown in Figures 1 to 5, a kind of brake clamp testing stand, the bracket 1 including brake clamp can be fixed, and can be Perpendicular to the turntable unit 3 of straight reciprocating motion on 1 direction of bracket, there are two 1 top (top as shown in Figure 5) installations of bracket The position-limiting unit 2 of Liftable brake clamp, offering on position-limiting unit 2 can be socketed with brake clamp along the both ends of clamping direction First through hole 4 (as shown in Figure 2), it is single that bracket 1 is provided with the first driving that brake clamp can be driven to rotate around 4 axis of first through hole Member 5, turntable unit 3 include the turntable 13 (i.e. simulating brake disk) that two sides can be braked clamp clamping simultaneously, and sustainable Second sliding seat 14 of 13 two sides of turntable, the second sliding seat 14 are connected with second that the second sliding seat 14 can be driven to move along a straight line and drive Moving cell 10.
Brake clamp testing stand of the present invention is realized by setting position-limiting unit 2 and the first driving unit 5 to brake clamp Lifting, i.e. brake clamp fixed form and brake clamp entrucking state consistency, meanwhile, pass through setting turntable unit 3 and second Driving unit realizes and tests the quick positioning between process turntable 13 and brake clamp in clamp, therefore, present invention braking Clamp testing stand can obtain accurate test result, and improve the assembly and location efficiency to brake clamp.
Further, bracket 1 includes column, and is removably installed in the crossbeam at the top of column, is offered at the top of column First adjustment portion 17 of adjustable beam height, beam-end are connect with the first adjustment portion 17.Crossbeam and column is arranged in the present invention Effect be, convenient for the disassembly of bracket 1;The present invention be arranged the first adjustment portion 17 effect be, can be according to reality to braking The assembly and positioning of clamp need to adjust the height of brake clamp.
It further as shown in Figures 2 and 3, can be on column side edge for the structure of above-mentioned first adjustment portion 17 Multiple second through-holes that vertical direction opens up side by side, at this point, two the second through-holes in sustained height are fixed at crossbeam both ends Place.
Further as shown in Figures 2 and 3, position-limiting unit 2 includes the lower limit part 15 and upper limit part 16 that can mutually splice, One end of lower limit part 15 is removable installed in the top of bracket, and it is logical that first is offered at the top of the other end of lower limit part 15 Slot, one end of upper limit part 16 are removably installed in the top of lower limit part 15, and the other end bottom of upper limit part 16 opens up There is the second through slot, first through hole 4 is made of the first through slot and the second through slot.The present invention is to above-mentioned 2 structure setting of position-limiting unit Effect is, can be realized the Fast Installation and disassembly to brake clamp, meanwhile, it ensure that the structural soundness of brake clamp.
In addition, the top of bracket 1 is also provided with adjustable limit unit 2 along being parallel to 13 axial direction of turntable On position the second adjustment portion 18, position-limiting unit 2 connect by the second adjustment portion 18 with bracket 1.Present invention setting second is adjusted The effect in section portion 18 is, when situation is bad in brake clamp with 13 pairs of turntable, can be braked by 18 Duis of the second adjustment portion The position of clamp is adjusted, and further ensures brake clamp and turntable 13 accurately to neutrality.
It can be slotted hole or the multiple third through-holes opened up side by side for the structure of above-mentioned second adjustment portion 18.
For the structure of above-mentioned first driving unit 5, specifically: as shown in Fig. 2, Fig. 3 and Fig. 5, the first driving unit 5 is set It is placed in the lower section of position-limiting unit 2, the first driving unit 5 includes the push-pull rod 6 that brake clamp can be driven to rotate, and can push and pull push-pull rod 6 the first sliding seat 7, the first guide rail 8 being connect with the first sliding seat 7, and the first sliding seat 7 can be driven along the first guide rail 8 First actuator 9 of linear motion, one end of push-pull rod 6 are hinged end that can be hinged with brake clamp, the other end of push-pull rod 6 It is hinged with the first sliding seat 7.The effect of the above-mentioned setting of the present invention is, power needed for saving rolling brake clamp, with this reality It is now simple to the adjustment of brake clamp and quick, and then improve the efficiency of brake clamp test.
Preferably, the first guide rail 8 can be linear guide, at this time the first actuator 9 can for linear motor, hydraulic cylinder or Cylinder is one kind of.
In addition, the first guide rail 8 can also be lead screw, at this point, the first actuator 9 can be turntable, servo motor, stepping electricity Machine or hydraulic motor are one kind of.
Further as shown in Figure 1 and Figure 4, the second driving unit 10 includes being connected to the second of 14 bottom of the second sliding seat to lead Rail 11, and the second actuator 12 that the second sliding seat 14 can be driven to move along a straight line along the second guide rail 11.
Preferably, the second actuator 12 can be one kind of for linear motor, hydraulic cylinder or cylinder.
Further as shown in Figure 1 and Figure 4, turntable 13 is set as mutually coaxial two, and two 13 sides of turntable connect respectively The two third driving units 19 that can drive turntable 13 along axial linear movement are connected to, third driving unit 19 includes being connected to turn The connector of 13 side of disk, and can drive connection part linear motion third actuator.
Brake clamp testing stand of the present invention is by setting third driving unit 19, so that turntable 13 can before clamp test The action gap of different braking clamp is adjusted, and can quickly and accurately with brake clamp centering, and then improve The accuracy of brake clamp test installation and location efficiency and test result.
Preferably, third actuator is that linear motor, hydraulic cylinder or cylinder are one kind of.
The bottom that second sliding seat 14 corresponds to turntable 13 is fixedly installed clump weight 20.Clump weight 20 is arranged in the present invention Effect is, keeps the balance of the movement of turntable 13 by increasing by 3 own wt of turntable unit.
Preferably, the quantity of bracket 1 is set as two, and two brackets 1 are respectively arranged at the two sides of turntable unit 3.This hair Bright brake clamp testing stand is that can be realized with this positioned at two of turntable unit two sides while loading master by setting bracket 1 Dynamic clamp and passive grab, can continuously test active clamp and passive grab, and then significant improve brake clip Clamp the efficiency of test.
Further, turntable 13 is removably installed the axially displaced first sensor of detectable turntable 13, Yi Jike Detect the second sensor of brake force suffered by turntable.The present invention is by the way that first sensor and second sensor to be removably installed In on turntable 13, first sensor and second sensor is enabled to reflect that the displacement action of turntable 13 and institute are restricted in time with this Power, meanwhile, by moving synchronously for first sensor, second sensor and turntable 13, it ensure that the accuracy of measurement result.

Claims (10)

1. a kind of brake clamp testing stand, the bracket (1) including brake clamp can be fixed, it is characterised in that: further include that can hang down Directly there are two Liftable brake clips for installation at the top of the turntable unit (3) of straight reciprocating motion on bracket (1) direction, bracket (1) The position-limiting unit (2) of pincers offers the first through hole that can be socketed with brake clamp along the both ends of clamping direction on position-limiting unit (2) (4), bracket (1) is provided with the first driving unit (5) that brake clamp can be driven to rotate around first through hole (4) axis, turntable list First (3) include that two sides can be braked the turntable (13) of clamp clamping and second cunning of sustainable turntable (13) two sides simultaneously Dynamic seat (14), the second sliding seat (14) are connected with the second driving unit (10) that the second sliding seat (14) can be driven to move along a straight line.
2. brake clamp testing stand according to claim 1, it is characterised in that: bracket (1) includes column, and detachable Ground is installed on the crossbeam at the top of column, and the first adjustment portion (17) of adjustable beam height, beam-end are offered at the top of column It is connect with the first adjustment portion (17).
3. brake clamp testing stand according to claim 1, it is characterised in that: position-limiting unit (2) includes mutually splicing Lower limit part (15) and upper limit part (16), one end of lower limit part (15) is removable installed in the top of bracket, lower limit The first through slot is offered at the top of the other end of position part (15), one end of upper limit part (16) is removably installed in lower limit part (15) top, the other end bottom of upper limit part (16) offer the second through slot, and first through hole (4) is by the first through slot and second Through slot composition.
4. brake clamp testing stand according to claim 1 or 3, it is characterised in that: be provided at the top of bracket (1) adjustable Position-limiting unit (2) are saved in the second adjustment portion (18) along the position being parallel on turntable (13) axial direction, position-limiting unit (2) It is connect by the second adjustment portion (18) with bracket (1).
5. brake clamp testing stand according to claim 1, it is characterised in that: the first driving unit (5) is set to limit The lower section of unit (2), the first driving unit (5) include the push-pull rod (6) that brake clamp can be driven to rotate, and can push and pull push-pull rod (6) the first sliding seat (7), the first guide rail (8) being connect with the first sliding seat (7), and the first sliding seat (7) edge can be driven The first actuator (9) of first guide rail (8) linear motion, one end of push-pull rod (6) are hinged end that can be hinged with brake clamp, The other end and the first sliding seat (7) of push-pull rod (6) are hinged.
6. brake clamp testing stand according to claim 1, it is characterised in that: the second driving unit (10) includes being connected to Second guide rail (11) of the second sliding seat (14) bottom, and the second sliding seat (14) can be driven to transport along the second guide rail (11) straight line Dynamic the second actuator (12).
7. according to claim 1, brake clamp testing stand described in 2,3,5 or 6, it is characterised in that: turntable (13) is set as phase Mutually coaxial two, two turntable (13) sides are connected separately with two thirds that can drive turntable (13) along axial linear movement Driving unit (19), third driving unit (19) include the connector for being connected to turntable (13) side, and can drive connection part The third actuator of linear motion.
8. brake clamp testing stand according to claim 7, it is characterised in that: third actuator is linear motor, hydraulic Cylinder or cylinder are one kind of.
9. according to claim 1, brake clamp testing stand described in 2,3,5,6 or 8, it is characterised in that: the second sliding seat (14) Bottom corresponding to turntable (13) is fixedly installed clump weight (20).
10. according to claim 1, brake clamp testing stand described in 2,3,5,6 or 8, it is characterised in that: the quantity of bracket (1) Two are set as, two brackets (1) are respectively arranged at the two sides of turntable unit (3).
CN201710004227.7A 2017-01-04 2017-01-04 Brake clamp testing stand Active CN106680000B (en)

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Application Number Priority Date Filing Date Title
CN201710004227.7A CN106680000B (en) 2017-01-04 2017-01-04 Brake clamp testing stand

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Application Number Priority Date Filing Date Title
CN201710004227.7A CN106680000B (en) 2017-01-04 2017-01-04 Brake clamp testing stand

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CN106680000B true CN106680000B (en) 2019-08-27

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107462409B (en) * 2017-08-14 2019-08-27 中车青岛四方车辆研究所有限公司 The experimental rig of hopper wagon bottom door and switching mechanism
CN108593307B (en) * 2017-12-29 2020-10-09 山东国晶新材料有限公司 1:1 simulation working condition inertia experiment bench and experiment method
CN108801662B (en) * 2018-06-21 2020-01-07 中车青岛四方车辆研究所有限公司 Clamp unit hoisting assembly and clamp unit testing device comprising same
CN110441078B (en) * 2019-08-12 2021-01-29 中车青岛四方车辆研究所有限公司 Brake clamp unit testing device and method for variable-gauge bogie

Citations (5)

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Publication number Priority date Publication date Assignee Title
US5293777A (en) * 1992-10-21 1994-03-15 Westinghouse Air Brake Company Hinged assembly for air brake valve test fixture
CN203405337U (en) * 2013-07-16 2014-01-22 南京浦镇海泰制动设备有限公司 Fatigue test bed for braking clamp
CN105043732A (en) * 2015-06-30 2015-11-11 柳州市邕达工配厂 Clamp test bench
CN105043791A (en) * 2015-09-10 2015-11-11 常州信息职业技术学院 Pneumatic clamp test bench
EP2995920A1 (en) * 2014-09-15 2016-03-16 Otto Nussbaum GmbH & Co. KG Brake test bench having hold-down device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293777A (en) * 1992-10-21 1994-03-15 Westinghouse Air Brake Company Hinged assembly for air brake valve test fixture
CN203405337U (en) * 2013-07-16 2014-01-22 南京浦镇海泰制动设备有限公司 Fatigue test bed for braking clamp
EP2995920A1 (en) * 2014-09-15 2016-03-16 Otto Nussbaum GmbH & Co. KG Brake test bench having hold-down device
CN105043732A (en) * 2015-06-30 2015-11-11 柳州市邕达工配厂 Clamp test bench
CN105043791A (en) * 2015-09-10 2015-11-11 常州信息职业技术学院 Pneumatic clamp test bench

Non-Patent Citations (1)

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CRH1型制动夹钳试验台的研制;陈美宪 等;《铁道车辆》;20101031;第48卷(第10期);第33-35页 *

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