CN213422593U - Brake electromagnet brake fatigue test stand - Google Patents

Abstract

The utility model discloses a braking electromagnet braking fatigue test platform, including base, sliding connection in deflector on the base, be used for driving the gliding drive arrangement of deflector on the base and the braking electromagnet fixing base that is used for fixed braking electromagnet, braking electromagnet fixing base connect in on the base, drive arrangement set up in on the base, braking electromagnet is circular telegram behind the braking electromagnet fixing base that is fixed in, and braking electromagnet adsorbs on the deflector, and drive arrangement drive deflector slides on the base, and braking electromagnet counteracts and blocks the deflector and slide on the base and realize the braking fatigue test to braking electromagnet. The brake electromagnet brake fatigue test stand can perform fatigue test on the performance of the brake pull rod and the abrasion plate of the brake electromagnet, is simple to operate and high in accuracy, and solves the problems that the brake electromagnet brake fatigue test of a high-speed maglev train is difficult to perform and the accuracy is not high.

Description

Brake electromagnet brake fatigue test stand

Technical Field

The utility model belongs to braking fatigue test bench field, specifically speaking relate to a braking electromagnet braking fatigue test bench.

Background

The magnetic suspension train is a modern high-tech rail vehicle, realizes the non-contact suspension and the guidance between the train and the rail through the electromagnetic force, and then utilizes the electromagnetic force generated by the linear motor to draw the train to run.

The braking electromagnet of the maglev train plays a role in braking and decelerating under emergency, in order to ensure the performance of a product in the braking process, an X-direction braking fatigue test needs to be carried out on the braking electromagnet, and the performance of a braking pull rod and a wear plate of the braking electromagnet is verified, but a simple and effective method for verifying the braking performance of the braking electromagnet does not exist at present.

To the above-mentioned problem, put forward the utility model discloses specially.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, a brake electromagnet brake fatigue test stand has been proposed. In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a brake electromagnet braking fatigue test platform, includes base, sliding connection in deflector on the base, be used for driving the gliding drive arrangement of deflector on the base and be used for the brake electromagnet fixing base of fixed brake electromagnet, brake electromagnet fixing base connect in on the base, drive arrangement set up in on the base, back circular telegram on brake electromagnet fixed connection is on the brake electromagnet fixing base, and brake electromagnet adsorbs on the deflector, and drive arrangement drive deflector slides on the base, and brake electromagnet counteracts and realizes the braking fatigue test to brake electromagnet in the deflector stopping deflector sliding on the base.

Preferably, the braking electromagnet comprises an electromagnet, a wearing plate arranged at the lower part of the electromagnet and a braking pull rod arranged at the upper part of the electromagnet, the braking electromagnet fixing seat comprises a supporting seat connected to the base, a cross beam connected to the supporting seat in an adjustable manner at front and rear positions along the sliding direction of the guide plate, and a pull rod fixing seat connected to the cross beam in an adjustable manner at upper and lower positions and used for fixing the braking pull rod, and the cross beam is transversely arranged above the guide plate.

Preferably, the braking electromagnet fixing seats are arranged to be two, the two braking electromagnet fixing seats are respectively arranged on the bases at the two ends of the guide plate along the sliding direction of the guide plate, the two ends of the braking pull rod are respectively hinged to the two braking electromagnet fixing seats, the supporting seats of the braking electromagnet fixing seats are arranged to be 2, 2 supporting seats are respectively arranged on the bases at the two sides of the length direction of the guide plate, and the two ends of the cross beam are respectively connected to the 2 supporting seats.

Preferably, the pull rod fixing seat comprises a fixing plate and first hinge lugs arranged on the fixing plate and arranged oppositely, first strip-shaped holes used for adjusting the upper position and the lower position of the pull rod fixing seat are formed in the fixing plate or the cross beam, the fixing plate and the cross beam are fixedly connected through first bolts, the first bolts penetrate through the first strip-shaped holes, and two ends of the brake pull rod are hinged to the first hinge lugs of the two pull rod fixing seats respectively.

Preferably, first bar hole sets up on the fixed plate, and first bar hole is the rectangular hole of upper and lower direction, is provided with the mounting hole on the crossbeam, is provided with reinforced first deep floor between first hinge lug and the fixed plate, and first deep floor is located two faces that first hinge lug carried on the back mutually respectively, realizes neither influencing the installation of brake pull rod, can consolidate the steadiness that first hinge lug and fixed plate are connected again.

Preferably, the both ends of crossbeam all are provided with the crossbeam support, the crossbeam pass through the crossbeam support connect in on the supporting seat, the crossbeam support or be provided with the second bar hole that is used for adjusting the crossbeam position around on the deflector sliding direction on the supporting seat, crossbeam support and supporting seat pass through second bolt fixed connection, the second bolt passes second bar hole.

Preferably, the crossbeam support includes the lower junction plate and sets up the second deep floor on the lower junction plate, crossbeam fixed connection is on the lower junction plate, the both sides that deep floor is adjacent are connected respectively on crossbeam and lower junction plate, second deep floor establishes to 4, two are a set of relative both sides that set up in the crossbeam, two sets of second deep floor set up respectively in the both ends of lower junction plate, two sets of second deep floor have strengthened the stability that crossbeam and lower junction plate are connected on the one hand, on the other hand has increased the aesthetic property of test bench. The second bar hole sets up on connecting plate down, and the second rectangular hole sets up to 4, sets up respectively in the four corners department of connecting plate down, and 4 lower connecting plates are equallyd divide in the both sides of crossbeam, and second deep floor sets up in the outside in second rectangular hole, and this distributed mode realizes that the crossbeam passes through the firm connection of crossbeam support on the supporting seat, and the length direction in second rectangular hole is the same with deflector sliding direction realizes the adjustable of crossbeam position around on deflector sliding direction.

Preferably, the length of first bar hole is 10mm, realizes that the braking electro-magnet can have 10mm control range in vertical direction, and the length of second bar hole is 10mm, realizes that the braking electro-magnet can have 10mm control range on vertically (X to).

Preferably, the supporting seat includes hollow square support and upper junction plate, the square support of two supporting seats sets up relatively, the upper junction plate sets up in the upper portion of square support, the sub-unit connection of square support is on the base, square support and upper junction plate integrated into one piece, the upper junction plate passes through the second bolted connection with lower junction plate and realizes being connected of crossbeam support and supporting seat, hollow square support can play stable supporting role, again can save material's use, and the weight of whole test bench. And third reinforcing ribs are arranged at two ends of the square support along the sliding direction of the guide plate and used for further enhancing the connection stability of the support seat on the base.

Preferably, the guide plate is slidably connected to the base through a plurality of parallel guide rails, the guide rails are fixedly connected to the base, a plurality of groups of sliding blocks are arranged at the lower end of the guide plate corresponding to the plurality of guide rails, and the guide plate is slidably connected to the guide rails through the sliding blocks.

Preferably, the guide rails are 2, and the 2 guide rails are distributed below the guide plate according to the gravity center of the brake electromagnet, so that the stress of the 2 guide rails is the same.

Preferably, the guide plate is a Q235B steel plate, and the surface roughness of the guide plate is Ra 20.

Preferably, the driving device is arranged on the base of one end of the guide plate in the sliding direction, the driving device comprises a hydraulic cylinder, a hydraulic cylinder mounting seat for mounting the hydraulic cylinder and a connecting seat for connecting a piston rod of the hydraulic cylinder with the guide plate, the hydraulic cylinder mounting seat is connected to the base, the hydraulic cylinder is fixedly connected to the hydraulic cylinder mounting seat, one end of the connecting seat is hinged to the piston rod of the hydraulic cylinder, and the other end of the connecting seat is connected to the guide plate.

Preferably, the connecting seat includes the push pedal and set up respectively in two second hinge lug and two cardboards on the relative two sides of push pedal, two second hinge lugs set up relatively and are used for articulating with the piston rod of pneumatic cylinder, and two cardboards set up relatively and leave the space that the deflector was put into between two cardboards, the middle part of deflector is arranged in between two cardboards and the tip supports on the push pedal.

Preferably, the pneumatic cylinder passes through the pullover and is articulated with the connecting seat, and the outer tip of pneumatic cylinder piston rod sets up to the external screw thread structure, and the one end of pullover is provided with the internal thread mounting hole, and the other end sets up to the hinge structure with two second hinge ear cooperations, pullover and the piston rod threaded connection of pneumatic cylinder.

Preferably, the middle part of deflector is arranged in between two cardboard and the tip supports through bolt and nut fixed connection after in the push pedal, and the bolt sets up to two, and the symmetry sets up respectively in the both sides of cardboard central line, should set up to make firm the connecting on drive arrangement of deflector, and the atress of each junction is even, realizes that drive arrangement gives the deflector with the stable transmission of thrust.

Preferably, the clamping plate is provided with a fourth reinforcing rib plate, and the fourth reinforcing rib plate is connected to the push plate and used for reinforcing the stability of the clamping plate connected to the push plate.

Preferably, the hydraulic cylinder outputs a pressure greater than 60 KN.

Has the advantages that:

1. the utility model provides a brake electromagnet braking fatigue test platform can carry out fatigue test to brake electromagnet's brake pull rod and wearing and tearing board's performance, easy operation, and the accuracy is high, has solved high-speed maglev train brake electromagnet braking fatigue test and has been difficult to carry out and the not high problem of precision.

2. The utility model provides a braking electromagnet braking fatigue test bench in braking electromagnet horizontal puts on the deflector on the test bench, only fixed braking pull rod, no other fixed point, only there is the braking pull rod atress in having guaranteed the test process, the accuracy of assurance test, and when braking electromagnet does not switch on, braking electromagnet is in relative free state, it does not receive extrusion force and decurrent pressure between two braking pull rod mount pads, braking electromagnet does not have the addition of any other power except the atress that receives self, the in-process of braking electromagnet at the fatigue test of carrying out braking has been guaranteed, the braking pull rod does not have other external force influences, the accuracy nature of braking fatigue test has further been guaranteed.

3. The utility model provides a deflector adopts the linear guide installation that is parallel to each other in the brake electromagnet braking fatigue test platform, can ensure that power transmission direction is linear direction (X to) when applying hydraulic pressure power to the mounting means frictional force of slider guide is little, can ignore almost, guarantees that hydraulic pressure power at utmost on the deflector turns into the frictional force between wearing plate and deflector, and transmits the brake pull rod on, has guaranteed braking fatigue test's accuracy nature.

4. The utility model provides an use the pneumatic cylinder to exert hydraulic pressure force to the deflector among the brake electromagnet braking fatigue test platform, maximum pressure can reach 60KN, because firmly adsorb the deflector after the brake electromagnet circular telegram, the deflector gives the brake pull rod with power transmission, has simulated the transmission of real car braking in-process power, can be effectual test the detection to the brake pull rod of brake electromagnet and the performance of wearing and tearing board, and guaranteed brake fatigue test's accuracy, has effectual reference value.

Drawings

Fig. 1 is the structure schematic diagram of the braking fatigue test bed of the braking electromagnet of the utility model.

Fig. 2 is the structure schematic diagram of the brake fatigue test stand with the brake electromagnet of the utility model.

Fig. 3 is a schematic structural diagram of the base of the present invention.

Fig. 4 is a schematic structural view of the braking electromagnet fixing base of the present invention.

Fig. 5 is a schematic structural diagram of the driving device of the present invention.

In the figure: 1. a base; 2. a brake electromagnet fixing seat; 21. a square support; 22. a third reinforcing rib; 23. a second reinforcing rib plate; 24. a lower connecting plate; 241. a second bar-shaped hole; 25. a fixing plate; 251. a first bar-shaped hole; 26. a first hinge ear; 27. a first reinforcing rib plate; 28. a cross beam; 3. a drive device; 31. a hydraulic cylinder mounting seat; 32. a hydraulic cylinder; 33. sleeving heads; 34. pushing the plate; 35. a second hinge ear; 36. a fourth reinforcing rib plate; 37. clamping a plate; 4. a brake electromagnet; 41. a brake pull rod; 42. a wear plate; 5. a guide plate; 6. a guide rail; 61. a slide block.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application.

As shown in fig. 1 and 2, the brake electromagnet 4 includes an electromagnet, a wear plate 42 provided at a lower portion of the electromagnet, and a brake lever 41 provided at an upper portion of the electromagnet.

The brake electromagnet 4 brake fatigue test bed provided in the embodiment comprises a base 1, a guide plate 5 connected on the base 1 in a sliding manner, a driving device 3 used for driving the guide plate 5 to slide on the base 1 and a brake electromagnet fixing seat 2 used for fixing the brake electromagnet 4, wherein the brake electromagnet fixing seat 2 is connected on the base 1, the driving device 3 is arranged on the base 1, the brake electromagnet 4 is fixedly connected on the brake electromagnet fixing seat 2 and then electrified, the brake electromagnet 4 is adsorbed on the guide plate 5, the driving device 3 drives the guide plate 5 to slide on the base 1, the driving device 3 drives the guide plate 5 to provide a thrust force for the guide plate 5, as the brake electromagnet 4 is firmly adsorbed on the guide plate 5, the brake electromagnet 4 is fixed on the brake electromagnet fixing seat 2, and the brake electromagnet 4 provides a reaction force for the guide plate 5 to prevent the guide plate 5 from sliding on the base 1, the thrust of the driving device 3 driving the guide plate 5 is transmitted to the brake lever 41 of the brake electromagnet 4 through the guide plate 5, and the brake lever 41 is fixed, thereby realizing the verification of the performance of the brake lever 41 and the wear plate 42 of the brake electromagnet 4.

As shown in fig. 4, the braking electromagnet fixing seat 2 includes a supporting seat connected to the base 1, a cross beam 28 connected to the supporting seat and adjustable in front-rear position along the sliding direction of the guide plate 5, and a pull rod fixing seat connected to the cross beam 28 and used for fixing the braking pull rod 41, the number of the supporting seats is 2, 2 supporting seats are respectively disposed on the base 1 at two sides of the guide plate 5 along the sliding direction, the cross beam 28 is transversely disposed above the guide plate 5, and two ends of the cross beam 28 are respectively connected to the 2 supporting seats.

The pull rod fixing seat comprises a fixing plate 25 and two first hinge lugs 26 which are oppositely arranged on the fixing plate 25, a first strip-shaped hole 251 used for adjusting the upper position and the lower position of the pull rod fixing seat is arranged on the fixing plate 25 or the cross beam 28, in the embodiment, the first strip-shaped hole 251 is arranged on the fixing plate 25, the first strip-shaped hole 251 is a strip-shaped hole in the upper direction and the lower direction, a mounting hole is formed in the cross beam 28, the fixing plate 25 is fixedly connected with the cross beam 28 through a first bolt, the first bolt penetrates through the first strip-shaped hole 251 and the mounting hole to fixedly connect the fixing plate 25 and the cross beam 28 together, the first strip-shaped hole 251 can be used for realizing that the pull rod fixing seat can be adjusted in the vertical direction in a certain range, so that the brake electromagnet 4 is easier to be installed, and the.

Further, as the preferred of this embodiment, the length of first bar hole 251 is 10mm, it can have 10mm adjustment range in the vertical direction to realize that braking electromagnet 4, the setting of this upper and lower position control scope is enough to satisfy braking electromagnet 4's installation, the vertical height of fixed plate 25 can be increased to first bar hole 251's length is too big, still cause unnecessary waste when influencing this test bench pleasing to the eye, increase the weight of this test bench, the adjustment range of same first bar hole 251 too little makes the pull rod fixing base in vertical direction be not enough to satisfy braking electromagnet 4's installation, can give braking electromagnet 4 extra pressure, be unfavorable for this precision of verifying.

Further, a first reinforcing rib plate 27 for reinforcing is arranged between the first hinge lug 26 and the fixed plate 25, the first reinforcing rib plate 27 is respectively located on two opposite sides of the two first hinge lugs 26, the arrangement does not affect the installation of the brake pull rod 41, and the stability of the connection of the first hinge lug 26 and the fixed plate 25 can be reinforced.

The supporting seat includes hollow square support 21 and upper junction plate, and the square support 21 of 2 supporting seats sets up relatively, and the upper junction plate sets up in the upper portion of square support 21, and square support 21's sub-unit connection is on base 1, square support 21 and upper junction plate integrated into one piece, and hollow square support 21 can enough play stable supporting role, can save material's use again to and alleviate the weight of whole test bench. The square support 21 is provided with third strengthening rib 22 along the both ends of deflector 5 slip direction, and third strengthening rib 22 connects respectively on base 1 and square support 21 for further strengthen the stability that the supporting seat is connected on base 1.

Crossbeam 28's both ends all are provided with the crossbeam 28 support, crossbeam 28 passes through the crossbeam 28 support and connects on the supporting seat, be provided with the second bar hole 241 that is used for adjusting crossbeam 28 position around on deflector 5 slip direction on crossbeam 28 support or the supporting seat, in this embodiment, second bar hole 241 sets up on crossbeam 28 support, set up the bolt mounting hole on the supporting seat, crossbeam 28 support and supporting seat pass through second bolt fixed connection, the second bolt passes second bar hole 241 and bolt mounting hole and fixes crossbeam 28 support and supporting seat together, the setting of second bar hole 241 can realize that the pull rod fixing base can adjust certain scope around on the horizontal direction (deflector 5 gliding direction, X is to), make brake electromagnet 4 install more easily.

Crossbeam 28 support includes lower junction plate 24 and sets up second deep floor 23 on lower junction plate 24, crossbeam 28 fixed connection is on lower junction plate 24, the adjacent both sides of deep floor are connected respectively on crossbeam 28 and lower junction plate 24, second deep floor 23 establishes to 4, two are a set of relative both sides that set up in crossbeam 28, two sets of second deep floor 23 set up respectively in the both ends of lower junction plate 24, two sets of second deep floor 23 have strengthened the stability that crossbeam 28 and lower junction plate 24 are connected on the one hand, on the other hand has increased the aesthetic property of test bench. Second bar hole 241 sets up on lower connecting plate 24, and the second bar hole sets up to 4, sets up respectively in lower connecting plate 24's four corners department, 4 lower connecting plate 24 equally divide in the both sides of crossbeam 28, and second deep floor 23 sets up in the outside in second bar hole, and this distributed mode realizes that crossbeam 28 passes through the firm connection in the supporting seat of crossbeam 28 support, and the length direction in second bar hole is the same with 5 sliding direction of deflector realizes the adjustable of crossbeam 28 front and back position on 5 sliding direction of deflector.

Further, as a preference of this embodiment, the length of the second bar-shaped hole 241 is 10mm, so that the brake electromagnet 4 can have a 10mm adjustment range in the longitudinal direction (X direction), the setting of the longitudinal position adjustment range is enough to meet the installation of the brake electromagnet 4, if the length of the second bar-shaped hole 241 is too large, the longitudinal length of the lower installation plate is increased, which affects the appearance of the test bed and also causes unnecessary waste, the weight of the test bed is increased, and if the length of the second bar-shaped hole 241 is too small, the adjustment range of the support of the cross beam 28 in the longitudinal direction is not enough to meet the installation of the brake electromagnet 4, which is not favorable for the accuracy of the verification.

Further, the bolt mounting holes on the supporting seat are formed in the upper connecting plate, and the upper connecting plate is connected with the lower connecting plate 24 through second bolts to achieve connection of the beam 28 support and the supporting seat.

Braking electromagnet fixing base 2 sets up to two, and two braking electromagnet fixing bases 2 set up respectively on the base 1 at deflector 5 along its sliding direction's both ends, and the both ends of braking pull rod 41 articulate respectively in the first hinge ear 26 department of two braking electromagnet fixing bases 2 and realize the both ends of braking pull rod 41 and articulate with two pull rod fixing bases respectively.

The positions of the pull rod fixing seats on the cross beam 28 are adjustable up and down, and the cross beam 28 is arranged on the supporting seat along the front-back adjustable direction of the sliding direction of the guide plate 5, so that the brake electromagnet 4 can be easily installed between the two brake electromagnet fixing seats 2, the brake electromagnet 4 is installed between the two brake electromagnet fixing seats 2, when the brake electromagnet 4 is not electrified, the brake electromagnet 4 is in a relative free state and is not influenced by the extrusion force and the downward pressure between the two brake pull rod 41 mounting seats, the brake electromagnet 4 is not additionally provided with any other force except the self stress, the brake pull rod 41 is not influenced by other external forces in the brake fatigue test process of the brake electromagnet 4, and the accuracy of the brake fatigue test is ensured.

When brake fatigue test is carried out on brake electromagnet 4, the large thrust needs to be applied to guide plate 5, guide plate 5 transmits the thrust to brake pull rod 41, brake pull rod 41 transmits the force to brake electromagnet fixing seat 2, therefore, the stability of brake electromagnet fixing seat 2 is very important, the structure of each part of brake electromagnet fixing seat 2 and first reinforcing rib plate 27, second reinforcing rib plate 23 and third reinforcing rib 22 are arranged, each part is mutually matched to realize the stability of brake electromagnet fixing seat 2, when brake fatigue test is carried out on brake electromagnet 4, brake electromagnet fixing seat 2 is stable and does not deform, necessary conditions are provided for brake fatigue test of brake electromagnet 4 smoothly, and the service life of the test bench is long.

The deflector 5 is connected to the base 1 through a plurality of parallel guide rails 6 in a slidable manner, the guide rails 6 are fixedly connected to the base 1, as shown in fig. 3, the base 1 is of a frame structure, the guide rails 6 are linear guide rails 6, a plurality of groups of sliders 61 are arranged at the lower end of the deflector 5 corresponding to the plurality of guide rails 6, and the deflector 5 is connected to the guide rails 6 through the sliders 61 in a sliding manner. Preferably, in the present embodiment, the number of the guide rails 6 is 2, the stress of 2 guide rails 6 is the same by distributing 2 guide rails 6 below the guide plate 5 according to the gravity center of the braking electromagnet 4, 3 sliding blocks 61 are arranged on each guide rail 6, the sliding blocks 61 connected to the same guide rail 6 are equally distributed at the lower part of the guide plate 5, the arrangement realizes the stress balance of each sliding block 61, the braking electromagnet 4 is not deviated and is arranged on the guide plate 5, the guide rail 6 is a linear guide rail 6, the direction of the driving force of the driving device 3 is the same as the direction of the linear guide rail 6, which not only ensures that the hydraulic force applied on the guide plate 5 can be transmitted along the longitudinal direction (X direction), but also ensures that the force applied on the guide plate 5 cannot be lost, and ensures that the test data is accurate and the test safety.

Further, the guide plate 5 is made of a Q235B steel plate, the surface roughness of the guide plate 5 is Ra20, and the arrangement simulates the conditions in the braking process of an actual vehicle, so that the experimental result is more reliable.

As shown in fig. 5, the driving device 3 is disposed on the base 1 of the guide plate 5 along one end of the sliding direction, the driving device 3 includes a hydraulic cylinder 32, a hydraulic cylinder mounting seat 31 for mounting the hydraulic cylinder 32, and a connecting seat for connecting a piston rod of the hydraulic cylinder 32 with the guide plate 5, the hydraulic cylinder mounting seat 31 is connected to the base 1, the hydraulic cylinder 32 is fixedly connected to the hydraulic cylinder mounting seat 31, one end of the connecting seat is hinged to the piston rod of the hydraulic cylinder 32, and the other end of the connecting seat is connected to the guide plate 5.

The connecting seat includes push pedal 34 and sets up two articulated ears 35 of second and two cardboard 37 on the two sides that push pedal 34 is relative respectively, two articulated ears 35 set up relatively and are used for articulating with the piston rod of pneumatic cylinder 32, two cardboard 37 set up relatively and leave the space that deflector 5 put into between two cardboard 37, the middle part of deflector 5 is arranged in between two cardboard 37 and the tip supports through bolt and nut fixed connection behind push pedal 34, the bolt sets up to two, the symmetry sets up in the both sides of cardboard 37 central line respectively, this setting makes firm the connecting on drive arrangement 3 of deflector 5, and the atress of each junction is even, realize that drive arrangement 3 transmits the deflector 5 with thrust stability for. The setting of connecting seat has increased the atress contact surface of deflector 5 with pneumatic cylinder 32 and deflector 5 stable connection on the one hand, on the other hand, can effectually prevent the damage of pneumatic cylinder 32 piston rod or deflector 5 warp.

Further, a fourth reinforcing rib plate 36 is arranged on the clamping plate 37, and the fourth reinforcing rib plate 36 is connected to the push plate 34 for reinforcing the stability of the connection of the clamping plate 37 to the push plate 34.

Further, the pneumatic cylinder 32 is articulated with the connecting seat through pullover 33, the outer tip of pneumatic cylinder 32 piston rod sets up to the external screw thread structure, pullover 33's one end is provided with the internal thread mounting hole, the other end sets up to the hinge structure with two articulated ears 35 complex of second, pullover 33 and pneumatic cylinder 32's piston rod threaded connection, this sets up the application that has realized different pneumatic cylinders 32, connection structure is stable, pullover 33 and connecting seat processing are the standard component, the equipment of being convenient for.

Further, the pressure output by the hydraulic cylinder 32 is greater than 60KN, the hydraulic cylinder 32 is used for applying hydraulic pressure to the guide plate 5, the maximum pressure can reach 60KN, the guide plate 5 is firmly adsorbed after the brake electromagnet 4 is electrified, the guide plate 5 transmits force to the brake pull rod 41, the force transmission in the braking process of the real vehicle is simulated, the performance of the brake pull rod 41 and the abrasion plate 42 of the brake electromagnet 4 can be effectively tested, the accuracy of a brake fatigue test is guaranteed, and the device has an effective reference value.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a brake electromagnet braking fatigue test platform, its characterized in that, including base, sliding connection in deflector on the base, be used for driving the gliding drive arrangement of deflector on the base and the brake electromagnet fixing base that is used for fixed brake electromagnet, brake electromagnet fixing base connect in on the base, drive arrangement set up in on the base, brake electromagnet fixed connection circular telegram after on the brake electromagnet fixing base, brake electromagnet adsorbs on the deflector, and drive arrangement drive deflector slides on the base, and brake electromagnet counteracts and blocks the deflector and slide on the base and realize the brake fatigue test to brake electromagnet.

2. The brake electromagnet brake fatigue test stand of claim 1, wherein the brake electromagnet comprises an electromagnet, a wear plate disposed at a lower portion of the electromagnet, and a brake pull rod disposed at an upper portion of the electromagnet, the brake electromagnet fixing base comprises a supporting base connected to the base, a cross beam connected to the supporting base and adjustable in front-rear position along a sliding direction of the guide plate, and a pull rod fixing base connected to the cross beam and adjustable in up-down position for fixing the brake pull rod, the cross beam is disposed transversely above the guide plate.

3. The brake electromagnet brake fatigue test stand of claim 2, wherein the number of the brake electromagnet fixing seats is two, two brake electromagnet fixing seats are respectively arranged on the bases at the two ends of the guide plate along the sliding direction of the guide plate, the two ends of the brake pull rod are respectively hinged on the two brake electromagnet fixing seats, the number of the support seats of the brake electromagnet fixing seats is 2, 2 support seats are respectively arranged on the bases at the two sides of the guide plate in the length direction, and the two ends of the cross beam are respectively connected to the 2 support seats.

4. The brake electromagnet brake fatigue test stand of claim 3, wherein the pull rod fixing seat comprises a fixing plate and two first hinge lugs arranged on the fixing plate in an opposite manner, first strip-shaped holes for adjusting the upper and lower positions of the pull rod fixing seat are formed in the fixing plate or the cross beam, the fixing plate and the cross beam are fixedly connected through first bolts, the first bolts penetrate through the first strip-shaped holes, and two ends of the brake pull rod are respectively hinged to the first hinge lugs of the two pull rod fixing seats.

5. The brake electromagnet brake fatigue test stand of claim 2, wherein a beam support is provided at each end of the beam, the beam is connected to the support base through the beam support, a second strip-shaped hole for adjusting a front-rear position of the beam in a sliding direction of the guide plate is provided in the beam support or the support base, the beam support and the support base are fixedly connected through a second bolt, and the second bolt passes through the second strip-shaped hole.

6. The brake electromagnet brake fatigue test stand of claim 1, wherein the guide plate is slidably connected to the base by a plurality of parallel guide rails, the guide rails are fixedly connected to the base, a plurality of sets of sliders are provided at a lower end of the guide plate corresponding to the plurality of guide rails, and the guide plate is slidably connected to the guide rails by the sliders.

7. The brake electromagnet brake fatigue test stand of claim 6, wherein the number of the guide rails is 2, and the 2 guide rails are distributed below the guide plate according to the gravity center of the brake electromagnet, so that the stress of the 2 guide rails is the same.

8. The brake electromagnet brake fatigue test stand of claim 1, wherein the guide plate is a Q235B steel plate, and the surface roughness of the guide plate is Ra 20.

9. The brake electromagnet brake fatigue test stand of claim 1, wherein the driving device is disposed on a base at one end of the guide plate along a sliding direction thereof, the driving device comprises a hydraulic cylinder, a hydraulic cylinder mounting seat for mounting the hydraulic cylinder, and a connecting seat for connecting a piston rod of the hydraulic cylinder with the guide plate, the hydraulic cylinder mounting seat is connected to the base, the hydraulic cylinder is fixedly connected to the hydraulic cylinder mounting seat, one end of the connecting seat is hinged to the piston rod of the hydraulic cylinder, and the other end of the connecting seat is connected to the guide plate.

10. The brake electromagnet brake fatigue test stand of claim 9, wherein the connecting seat comprises a push plate, and two second hinge lugs and two clamping plates respectively disposed on two opposite sides of the push plate, the two second hinge lugs are oppositely disposed for being hinged to a piston rod of the hydraulic cylinder, the two clamping plates are oppositely disposed, a space for placing the guide plate is left between the two clamping plates, the middle portion of the guide plate is disposed between the two clamping plates, and the end portion of the guide plate abuts against the push plate.

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