CN209878335U - Electronic booster performance test device - Google Patents
Electronic booster performance test device Download PDFInfo
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- CN209878335U CN209878335U CN201920374962.1U CN201920374962U CN209878335U CN 209878335 U CN209878335 U CN 209878335U CN 201920374962 U CN201920374962 U CN 201920374962U CN 209878335 U CN209878335 U CN 209878335U
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Abstract
A performance test device for an electronic booster comprises a test loading mechanism A, a power supply control mechanism B and a brake load mechanism C, wherein the test loading mechanism A comprises a hydraulic cylinder assembly, a hydraulic cylinder rear mounting plate, an electronic booster mounting plate, a hydraulic cylinder lower mounting plate, a penetrating rod, a guide plate, a transition joint, a lining, a height adjusting device, a longitudinal limiting block, a hydraulic cylinder aluminum profile support assembly and a trundle, the power supply control mechanism B comprises a direct current stabilized voltage power supply, a control system, a driving system and a power supply control lower mounting plate, the brake load mechanism C comprises a main cylinder one-cavity pressure sensor, a main cylinder two-cavity pressure sensor, an electronic stability control system assembly support, a left front brake caliper, a right front brake caliper, a front brake caliper fixing device, a left rear brake caliper, a right rear brake caliper, a rear, Braking load aluminium alloy support assembly, the device simple structure, convenient to use, swift, characteristics such as test accuracy height.
Description
Technical Field
The utility model belongs to the technical field of the passenger car spare part bench test, a test bench system for performance of electron booster itself specifically says so, in particular to electron booster performance test device.
Background
Along with the development of automobiles in the direction of electromotion and intellectualization, the electronic booster is applied to the automobiles, and therefore, a test bench system needs to be established to test the performance of the electronic booster. One of the currently used methods is: the brake master cylinder of the electronic booster is detached, the output force of the electronic booster is measured, and the oil outlet of the electronic booster is not connected with any load. However, this method cannot measure the hydraulic pressure generated by the electronic booster. The other is as follows: the oil outlet of the electronic booster is connected with a piston spring device or a brake hose load, but the load mode cannot effectively simulate a real vehicle brake system.
Disclosure of Invention
In order to solve the above problem, the utility model provides a based on real car braking system for an electron booster capability test device of electron booster capability test, the device contains the triplex: the test loading mechanism A, the power supply control mechanism B and the brake loading mechanism C. The utility model adopts the technical proposal that:
a performance test device for an electronic booster comprises a test loading mechanism A, a power supply control mechanism B and a brake load mechanism C,
the test loading mechanism A comprises: the hydraulic cylinder assembly is connected with the hydraulic cylinder rear mounting plate; the hydraulic cylinder rear mounting plate is connected with the hydraulic cylinder lower mounting plate; the electronic booster mounting plate is connected with the hydraulic cylinder lower mounting plate; one ends of the two penetrating rods penetrate into symmetrical holes of the rear mounting plate of the hydraulic cylinder, the other ends of the two penetrating rods penetrate into symmetrical holes of the mounting plate of the electronic booster, and the guide plate is sleeved on the two penetrating rods and can freely slide along the axial direction of the penetrating rods; the bushing is sleeved in the center hole of the guide plate and can freely slide and rotate along the axial direction of the center hole of the guide plate; the transition joint is sleeved in the bushing and can freely slide and rotate along the axial direction of the central hole of the bushing; the two height adjusting devices are arranged on the lower mounting plate of the hydraulic cylinder at a certain distance, and the upper ends of the two height adjusting devices are supported on the bottom plane of the hydraulic cylinder assembly; the two longitudinal limiting blocks are respectively sleeved on the two through rods and can freely slide and rotate along the axial direction of the through rods, and one end of each longitudinal limiting block is attached to the surface of the hydraulic cylinder assembly; the pneumatic cylinder lower mounting plate is fixed on the pneumatic cylinder aluminum profile support assembly, and the truckle is installed in pneumatic cylinder aluminum profile support assembly bottom, and electron booster installs on the electron booster mounting panel, and links to each other with transition joint.
The power supply control mechanism B comprises a direct current stabilized power supply, a control system, a driving system and a power supply control lower mounting plate, wherein the direct current stabilized power supply, the control system and the driving system are arranged on the power supply control lower mounting plate which is fixed on the hydraulic cylinder aluminum profile support assembly, and the direct current stabilized power supply supplies power to the electronic booster, the control system and the driving system; the control system is connected with the electronic booster, the brake load mechanism C and the signal end of the hydraulic cylinder assembly; the driving system is connected with the driving end of the electronic booster;
the brake load mechanism C comprises a master cylinder one-cavity pressure sensor, a master cylinder two-cavity pressure sensor, an electronic stability control system assembly support, a left front brake caliper, a right front brake caliper, a front brake caliper fixing device, a left rear brake caliper, a right rear brake caliper, a rear brake caliper fixing device, a brake pipe, a brake load aluminum profile support assembly and a caster, wherein the electronic stability control system assembly support is arranged on one side, close to the hydraulic cylinder aluminum profile support assembly, of the brake load aluminum profile support assembly, the two front brake caliper fixing devices and the two rear brake caliper fixing devices are symmetrically and sequentially arranged on the brake load aluminum profile support assembly, the master cylinder one-cavity pressure sensor and the master cylinder two-cavity pressure sensor are arranged on two sides of the brake load aluminum profile support assembly, and the master cylinder one-cavity pressure sensor, the first cavity pressure sensor of the master cylinder is connected with an electronic stability control system assembly through a brake pipe, the electronic stability control system assembly is connected with a left front brake caliper through the brake pipe, and the electronic stability control system assembly is connected with a right rear brake caliper through the brake pipe; the electronic stability control system assembly is connected with the right front brake caliper through the brake pipe, and the electronic stability control system assembly is connected with the left rear brake caliper through the brake pipe; the electronic stability control system assembly and the electronic stability control system assembly bracket are arranged together; the left front brake caliper and the right front brake caliper are installed together with the front brake caliper fixing device; the left rear brake caliper and the right rear brake caliper are installed together with the rear brake caliper fixing device; the truckle is installed at braking load aluminium alloy support assembly bottom.
Furthermore, the height adjusting device comprises a shell, a threaded sleeve, a screw rod and a limiting nut, wherein the shell is arranged on the lower mounting plate of the hydraulic cylinder; the upper end of the threaded sleeve is supported on the bottom plane of the hydraulic cylinder assembly; the screw is arranged in the screw sleeve, and the surface of the hexagonal head of the screw is tightly attached to the lower surface of the lower mounting plate of the hydraulic cylinder; the limit nut 24 is arranged in the screw rod, and the lower surface of the limit nut is tightly attached to the upper surface of the lower mounting plate of the hydraulic cylinder.
Furthermore, the control system is connected with a master cylinder one-cavity pressure sensor and a master cylinder two-cavity pressure sensor of the braking load mechanism C, and the direct-current stabilized voltage power supply is 0-30V.
Furthermore, the front brake caliper fixing device comprises a front brake caliper clamping plate and a front brake caliper mounting plate, the front brake caliper mounting plate is mounted with the left front brake caliper and the right front brake caliper, and the front brake caliper clamping plate is mounted with the front brake caliper mounting plate.
Further, the rear brake caliper fixing device comprises a rear brake caliper clamping plate and a rear brake caliper mounting plate, the rear brake caliper mounting plate is mounted with the left rear brake caliper and the right rear brake caliper, and the rear brake caliper clamping plate is mounted with the rear brake caliper mounting plate.
Furthermore, hydraulic cylinder aluminium alloy support assembly and braking load aluminium alloy support assembly constitute by aluminium alloy support, angle aluminium.
Furthermore, the brake load mechanism C can realize the conversion of different brake load mechanisms by connecting or disconnecting the brake load aluminum profile bracket assembly and the hydraulic cylinder aluminum profile bracket assembly of the test loading mechanism A.
The utility model has the advantages that: the device simple structure, convenient to use, swift, the test accuracy is high, has and can adjust according to concrete environment and condition, adjusts characteristics such as convenient and fast.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a test loading mechanism A;
FIG. 3 is an enlarged view of a portion of the test loading mechanism A;
FIG. 4 is a schematic diagram of a power supply control mechanism B and signal transmission;
FIG. 5 is a schematic view of a brake load mechanism C;
FIG. 6 is a schematic view of a front brake caliper fixing device;
FIG. 7 is a schematic view of a rear brake caliper fixing device;
FIG. 8 is a cross-sectional view of the height adjustment mechanism;
FIG. 9 is a schematic view of a height adjustment device;
Detailed Description
For a better understanding of the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.
With reference to fig. 1 to 9, an electronic booster performance testing apparatus includes: a test loading mechanism A, a power supply control mechanism B and a brake loading mechanism C,
the test loading mechanism A comprises: the hydraulic cylinder assembly comprises a hydraulic cylinder assembly 1, a hydraulic cylinder rear mounting plate 2, an electronic booster mounting plate 3, a hydraulic cylinder lower mounting plate 4, a through rod 5, a guide plate 7, a transition joint 8, a lining 9, a height adjusting device 10, a longitudinal limiting block 12, a hydraulic cylinder aluminum profile support assembly 14 and a caster 16, wherein the hydraulic cylinder assembly 1 is connected with the hydraulic cylinder rear mounting plate 2; the hydraulic cylinder rear mounting plate 2 is connected with the hydraulic cylinder lower mounting plate 4; the electronic booster mounting plate 3 is connected with the hydraulic cylinder lower mounting plate 4; one ends of the two through rods 5 penetrate into symmetrical holes of the hydraulic cylinder rear mounting plate 2, the other ends of the two through rods penetrate into symmetrical holes of the electronic booster mounting plate 3, and the guide plate 7 is sleeved on the two through rods 5 and can freely slide along the axial direction of the through rods; the bush 9 is sleeved in the central hole of the guide plate 7 and can freely slide and rotate along the axial direction of the central hole of the guide plate 7; the transition joint 8 is sleeved in the bushing 9 and can freely slide and rotate along the axial direction of the central hole of the bushing 9; the two height adjusting devices 10 are arranged on the hydraulic cylinder lower mounting plate 4 at a certain distance, and the upper ends of the two height adjusting devices are supported on the bottom plane of the hydraulic cylinder assembly 1; the two longitudinal limiting blocks 12 are respectively sleeved on the two through rods 5 and can freely slide and rotate along the axial direction of the through rods, and one end of each longitudinal limiting block is attached to the surface of the hydraulic cylinder assembly 1; the hydraulic cylinder lower mounting plate 4 is fixed on the hydraulic cylinder aluminum profile support assembly 14, the caster 16 is installed at the bottom of the hydraulic cylinder aluminum profile support assembly 14, and the electronic booster 17 is installed on the electronic booster mounting plate 3 and connected with the transition joint 8;
the power supply control mechanism B comprises a direct current stabilized power supply 31(0-30V), a control system 32, a driving system 33 and a power supply control lower mounting plate 34, wherein the direct current stabilized power supply 31(0-30V), the control system 32 and the driving system 33 are arranged on the power supply control lower mounting plate 34, the power supply control lower mounting plate 34 is fixed on the hydraulic cylinder aluminum section bracket assembly 14, and the direct current stabilized power supply 31 supplies power to the electronic booster 17, the control system 32 and the driving system 33; the control system 32 is connected with the electronic booster, the brake load mechanism C and the signal end of the hydraulic cylinder assembly 1; the driving system 33 is connected with the driving end of the electronic booster 17;
the brake load mechanism C comprises a master cylinder one-cavity pressure sensor 41, a master cylinder two-cavity pressure sensor 42, an electronic stability control system assembly 43, an electronic stability control system assembly support 44, a left front brake caliper 45, a right front brake caliper 46, a front brake caliper fixing device 47, a left rear brake caliper 48, a right rear brake caliper 49, a rear brake caliper fixing device 50, a brake pipe 51, a brake load aluminum profile support assembly 59 and a caster 16, wherein the electronic stability control system assembly support 44 is arranged on one side, close to the hydraulic cylinder aluminum profile support assembly 14, of the brake load aluminum profile support assembly 59, the two front brake caliper fixing devices 47 and the two rear brake caliper fixing devices 50 are symmetrically and sequentially arranged on the brake load aluminum profile support assembly 59, the master cylinder one-cavity pressure sensor 41 and the master cylinder two-cavity pressure sensor 42 are arranged on two sides of the brake load aluminum, the master cylinder one-cavity pressure sensor 41 is connected with the electronic booster 17 through a brake pipe 51, the master cylinder one-cavity pressure sensor 41 is connected with the electronic stability control system assembly 43 through the brake pipe 51, the electronic stability control system assembly 43 is connected with the left front brake caliper 45 through the brake pipe 51, and the electronic stability control system assembly 43 is connected with the right rear brake caliper 49 through the brake pipe 51; the master cylinder cavity pressure sensor 42 is connected with the electronic booster 17 through a brake pipe 51, the master cylinder cavity pressure sensor 42 is connected with the electronic stability control system assembly 43 through the brake pipe 51, the electronic stability control system assembly 43 is connected with the right front brake caliper 46 through the brake pipe 51, and the electronic stability control system assembly 43 is connected with the left rear brake caliper 48 through the brake pipe 51; the electronic stability control system assembly 43 is mounted with the electronic stability control system assembly bracket 44; the left and right front calipers 45 and 46 are mounted with a front caliper fixing device 47; the left and right rear brake calipers 48 and 49 are mounted with the rear brake caliper fixing device 50; the caster wheels 16 are mounted on the bottom of the brake load aluminum profile bracket assembly 59.
Further, the height adjusting device 10 comprises a shell 21, a threaded sleeve 22, a screw 23 and a limit nut 24, wherein the shell 21 is mounted on the hydraulic cylinder lower mounting plate 4; the upper end of the screw sleeve 22 is supported on the bottom plane of the hydraulic cylinder assembly 1; the screw 23 is arranged in the screw sleeve 22, and the surface of the hexagonal head of the screw is tightly attached to the lower surface of the hydraulic cylinder lower mounting plate 4; and the limiting nut 24 is arranged in the screw rod 23, and the lower surface of the limiting nut is tightly attached to the upper surface of the hydraulic cylinder lower mounting plate 4.
Furthermore, the control system 32 is connected with a master cylinder one-cavity pressure sensor 41 and a master cylinder two-cavity pressure sensor 42 of the brake load mechanism C, and the direct current stabilized voltage power supply 31 is 0-30V.
Further, the front caliper fixing device 47 includes a front caliper clamping plate 71 and a front caliper mounting plate 72, the front caliper mounting plate 72 is mounted to the left and right front calipers 45 and 46, and the front caliper clamping plate 71 is mounted to the front caliper mounting plate 72.
Further, the rear caliper fixing device 50 includes a rear caliper clamping plate 81 and a rear caliper mounting plate 82, the rear caliper mounting plate 82 is mounted to the left rear caliper 48 and the right rear caliper 49, and the rear caliper clamping plate 81 is mounted to the rear caliper mounting plate 82.
Further, the hydraulic cylinder aluminum profile support assembly 14 and the braking load aluminum profile support assembly 59 are composed of aluminum profile supports and angle aluminum.
Furthermore, the braking load mechanism C can be connected or disconnected with the hydraulic cylinder aluminum profile bracket assembly 14 of the test loading mechanism a through the braking load aluminum profile bracket assembly 59 to realize the conversion of different braking load mechanisms.
Example (b):
the utility model provides an electronic booster performance test device, experimental loading mechanism A includes: the hydraulic cylinder assembly comprises a hydraulic cylinder assembly 1, a hydraulic cylinder rear mounting plate 2, an electronic booster mounting plate 3, a hydraulic cylinder lower mounting plate 4, a through rod 5, a through rod 6, a guide plate 7, a transition joint 8, a lining 9, a height adjusting device 10, a height adjusting device 11, a longitudinal limiting block 12, a longitudinal limiting block 13, a hydraulic cylinder aluminum profile support assembly 14 and a caster 16, wherein the hydraulic cylinder assembly 1 is connected with the hydraulic cylinder rear mounting plate 2 through bolts and nuts; the hydraulic cylinder rear mounting plate 2 is connected with the hydraulic cylinder lower mounting plate 4 through angle steel 15, bolts and nuts; the electronic booster mounting plate 3 is connected with the hydraulic cylinder lower mounting plate 4 through angle steel 15, bolts and nuts; one ends of the two penetrating rods 5 penetrate through holes of the hydraulic cylinder rear mounting plate 2 and are tightened by nuts respectively, and the other ends of the two penetrating rods penetrate through holes of the electronic booster mounting plate 3 and are tightened by nuts; the guide plate 7 is sleeved on the through rod and can freely slide along the axial direction of the through rod; the bush 9 is sleeved in the central hole of the guide plate 7 and can freely slide and rotate along the axial direction of the central hole of the guide plate 7; the transition joint 8 is sleeved in the bushing 9 and can freely slide and rotate along the axial direction of the central hole of the bushing 9; the two height adjusting devices 10 are connected to the hydraulic cylinder lower mounting plate 4 through bolts, and the upper ends of the two height adjusting devices are supported on the bottom plane of the hydraulic cylinder assembly 1; the longitudinal limiting block 12 is sleeved on the through rod 5 and can freely slide and rotate along the axial direction of the through rod, and one end of the longitudinal limiting block is attached to the surface of the hydraulic cylinder assembly 1; the hydraulic cylinder aluminum profile support assembly consists of an aluminum profile support and angle aluminum, the aluminum profile support and the angle aluminum are connected together through bolts and nuts, the hydraulic cylinder lower mounting plate 4 is fixed on the hydraulic cylinder aluminum profile support assembly 14 through the bolts and the nuts, and the bolts are embedded in grooves of the aluminum profile; the truckle 16 is installed in pneumatic cylinder aluminium alloy support assembly 14 bottom through bolt and nut separately, and the bolt inlays the inslot at the aluminium alloy, and electron booster 17 passes through the nut to be connected in the hole of electron booster mounting panel 3, links to each other with transition joint 8 through the connecting pin.
The height adjusting device comprises a shell 21, a threaded sleeve 22, a screw 23 and a limit nut 24, wherein the shell 21 is connected to the hydraulic cylinder lower mounting plate 4 through a bolt; the upper end of the screw sleeve 22 is supported on the bottom plane of the hydraulic cylinder assembly 1; the screw 23 is connected in the screw sleeve 22 through threads, and the surface of the hexagonal head of the screw is tightly attached to the lower surface of the hydraulic cylinder lower mounting plate 4; the limit nut 24 is connected in the screw rod 23 through threads, and the lower surface of the limit nut is tightly attached to the upper surface of the hydraulic cylinder lower mounting plate 4.
The power supply control mechanism B includes: the system comprises a direct current stabilized power supply 31(0-30V), a control system 32, a driving system 33 and a power supply control lower mounting plate 34, wherein the direct current stabilized power supply 31(0-30V), the control system 32 and the driving system 33 are arranged on the power supply control lower mounting plate 34, the power supply control lower mounting plate 34 is fixed on a hydraulic cylinder aluminum section support assembly 14 through bolts and nuts, and the direct current stabilized power supply 31 supplies power to an electronic booster 17, the control system 32 and the driving system 33; the control system 32 is connected with the electronic booster 17, the master cylinder first cavity pressure sensor 41, the master cylinder second cavity pressure sensor 42 and the signal end of the hydraulic cylinder assembly; the driving system 33 is connected to the driving end of the electronic booster 17.
The brake load mechanism C includes: the electronic brake system comprises a master cylinder first cavity pressure sensor 41, a master cylinder second cavity pressure sensor 42, an electronic stability control system assembly 43, an electronic stability control system assembly support 44, a left front brake caliper 45, a right front brake caliper 46, a front brake caliper fixing device 47, a left rear brake caliper 48, a right rear brake caliper 49, a rear brake caliper fixing device 50, a brake pipe 51, a brake load aluminum profile support assembly 59, a caster 16 and corresponding connecting bolts and connecting nuts, wherein the master cylinder first cavity pressure sensor 41 is connected with the electronic booster 17 through the brake pipe 51; the master cylinder-cavity pressure sensor 41 is connected with the electronic stability control system assembly 43 through a brake pipe 51; the electronic stability control system assembly 43 is connected with the left front brake caliper 45 through a brake pipe 51; the electronic stability control system assembly 43 is connected with a right rear brake caliper 49 through a brake pipe 51; the master cylinder chamber pressure sensor 42 is connected to the electronic booster 17 through a brake pipe 51; the master cylinder cavity pressure sensor 42 is connected with the electronic stability control system assembly 43 through a brake pipe 51; the electronic stability control system assembly 43 is connected with the right front brake caliper 46 through a brake pipe 51; the electronic stability control system assembly 43 is connected with the left rear brake caliper 48 through a brake pipe 51; the electronic stability control system assembly 43 is connected with the electronic stability control system assembly bracket 44 through a nut; the left front brake caliper 45 is connected with a front brake caliper fixing device 47 through bolts; the right front caliper 46 is connected to a front caliper fixing device 47 by bolts; the left rear brake caliper 48 is connected to the rear brake caliper fixing device 50 by bolts; the right rear caliper 49 is connected to the rear caliper fixing device 50 by a bolt; the braking load aluminum profile bracket assembly 59 consists of an aluminum profile bracket and angle aluminum which are arranged together through bolts and nuts, the electronic stability control system assembly bracket 44 is connected with the braking load and the aluminum profile bracket assembly 59 through the bolts and the nuts, and the bolts are embedded in the aluminum profile grooves; the 2 front brake caliper fixing devices 47 are respectively connected with a brake load aluminum profile bracket assembly 59 through bolts and nuts, and the bolts are embedded in aluminum profile grooves; the 2 rear brake caliper fixing devices 50 are respectively connected with a brake load aluminum profile bracket assembly 59 through bolts and nuts, and the bolts are embedded in aluminum profile grooves; the master cylinder first cavity pressure sensor 41 is connected with a brake load aluminum profile bracket assembly 59 through bolts and nuts, and the bolts are embedded in the aluminum profile grooves; the master cylinder two-cavity pressure sensor 42 is connected with a brake load aluminum profile support assembly 59 through bolts and nuts, the bolts are embedded in aluminum profile grooves, the trundles 16 are respectively installed at the bottom of the brake load aluminum profile support assembly 59 through the bolts and the nuts, and the bolts are embedded in the aluminum profile grooves.
The front caliper fixing device 47 includes: a front caliper clamping plate 71 and a front caliper mounting plate 72, wherein the front caliper mounting plate 72 is connected to the left front caliper 45 and the right front caliper 46 by bolts, and the front caliper clamping plate 71 is connected to screw holes of the front caliper mounting plate 72 by bolts.
The rear caliper fixing device 50 includes: a rear caliper clamping plate 81 and a rear caliper mounting plate 82, the rear caliper mounting plate 82 is connected to the left rear caliper 48 and the right rear caliper 49 by bolts, and the rear caliper clamping plate 81 is connected to screw holes of the rear caliper mounting plate 82 by bolts.
The control system 32 sends a signal to the hydraulic cylinder assembly 1 to move along the axis of the hydraulic cylinder assembly 1, the hydraulic cylinder assembly 1 moves forward to be loading, and the hydraulic cylinder assembly 1 moves backward to be releasing. Referring to fig. 3, a guide plate 7 is sleeved on two through rods 5, a force sensor in front of a hydraulic cylinder assembly 1 is inserted into a hole of a transition joint 8 and is contacted with the transition joint, the hydraulic cylinder assembly 1 pushes the transition joint 8, the transition joint 8 is sleeved in a lining 9, the lining 9 is sleeved in a central hole of the guide plate 7, and the guide plate 7 has a guiding function, so that a push rod of an electronic booster 17 cannot shake left and right to influence a movement track when the hydraulic cylinder assembly 1 is loaded and released; sliding the guide plate 7 and the bush 9 along the axis of the through rod 5, stopping sliding the guide plate 7 when the bush 9 is 50mm away from the rear end face of the transition joint 8, and tightening the guide plate 7 into threaded holes on two sides of the guide plate 7 by using 2 bolts until the tail end of the bolt is contacted and clamped with the through rod 5, so that the guide plate 7 can not slide along the axis of the through rod 5 any more; the bush 9 adopts a self-lubricating bush, and the relative movement with low friction coefficient can be realized without coating lubricating grease between the transition joint 8 and the bush 9; a hole in front of the transition joint 8 is fixedly connected with a fork arm hole of the electronic booster 17 through a pin shaft, when the hydraulic cylinder assembly 1 is loaded, the guide plate 7 and the lining 9 are not moved, the transition joint 8 moves forwards to drive the fork arm of the electronic booster 17 to move forwards, and a return spring in the electronic booster 17 is compressed; when the hydraulic cylinder assembly 1 is released, the guide plate 7 and the lining 9 are not moved, and due to pressure release, a return spring in the electronic booster 17 is restored, so that the fork arm of the electronic booster 17 moves backwards to return to the initial position, and the transition joint 8 is driven to move backwards and return to the initial position; the longitudinal limiting block 12 is sleeved on the two penetrating rods 5, so that one end of the longitudinal limiting block is attached to the surface of the hydraulic cylinder assembly 1, and the hydraulic cylinder assembly 1 is prevented from moving transversely.
The height adjusting device 10 comprises a shell 21, a threaded sleeve 22, a screw rod 23 and a limit nut 24, the force of the hydraulic cylinder assembly 1 loaded on the electronic booster 17 is required to be in the horizontal direction, so the hydraulic cylinder assembly 1 needs to be horizontally placed, the height adjusting device 10 plays a role in supporting the hydraulic cylinder assembly 1 and adjusting the height of the hydraulic cylinder assembly 1, 2 height adjusting devices 10 are arranged in total, the hydraulic cylinder assembly 1 is connected onto a hydraulic cylinder rear mounting plate 2, the previous height adjusting device 10 is adjusted firstly, the hydraulic cylinder assembly 1 gradually rises to the horizontal level, the next height adjusting device 10 is adjusted, when the threaded sleeve 22 contacts the lower surface of the hydraulic cylinder assembly 1, the height adjusting device 10 is not lifted any more, and the structure is shown in fig. 8 and 9: the shell 21 is fixedly connected to the upper surface of the hydraulic cylinder lower mounting plate 4 through 4 bolts, the threaded sleeve 22 is sleeved inside the shell 21 and can tightly cling to the inner wall of the shell 21 to slide up and down but cannot rotate left and right, the screw rod 23 penetrates through a hole of the hydraulic cylinder lower mounting plate 4 from bottom to top, the limiting nut 24 is in threaded fit with the screw rod 23, the lower surface of the limiting nut is in contact with the upper surface of the hydraulic cylinder lower mounting plate 4 but is not pressed tightly, the screw rod 23 can rotate along the axis of the screw rod and cannot move up and down, and the threaded sleeve 22 is in threaded fit; the specific operation is as follows: the screw 23 is rotated clockwise, the threaded sleeve 22 slides upwards along the inner wall of the shell 21, and the hydraulic cylinder assembly 1 is jacked to be gradually lifted upwards; rotating the screw 23 anticlockwise, enabling the threaded sleeve 22 to cling to the inner wall of the shell 21 to slide downwards, and gradually falling downwards against the hydraulic cylinder assembly 1; when the screw 23 does not rotate, the screw sleeve 22 is kept still due to the self-locking effect of the threads; the hydraulic cylinder assembly 1 can be stably supported because the area of the upper portion of the threaded sleeve 22 is large.
The power supply control mechanism B supplies power to the electronic booster 17 and the control system 32 through a direct-current stabilized power supply 31; the control system 32 sends a control command to the electronic booster 17, the driving system 33 and the hydraulic cylinder assembly 1, signals are collected from the master cylinder one-cavity pressure sensor 41, the master cylinder two-cavity pressure sensor 42, the electronic booster 17 and the driving system 33, and the driving system 33 drives the electronic booster 17 and collects the signals.
The brake load mechanism C provides a brake load system for the electronic booster, the brake load mechanism C comprises a master cylinder first cavity pressure sensor 41, a master cylinder second cavity pressure sensor 42, an electronic stability control system assembly 43, a left front brake caliper 45, a right front brake caliper 46, a left rear brake caliper 48, a right rear brake caliper 49 and a brake pipe 51, during testing, the brake load mechanism C is filled with brake fluid, when the hydraulic cylinder assembly 1 is loaded with force, a fork arm of the electronic booster 17 moves forwards, the brake fluid in the brake load mechanism C is squeezed, and the hydraulic pressure is increased; when the hydraulic cylinder assembly 1 releases force, the fork arm of the electronic booster 17 moves backwards, and the hydraulic pressure in the braking load mechanism C is reduced; when the vehicle model changes, the braking load mechanism C changes, so the braking load mechanism C changes continuously, and the braking load mechanism C can realize the conversion of different braking load mechanisms by connecting or disconnecting the braking load aluminum profile bracket assembly 59 with the hydraulic cylinder aluminum profile bracket assembly 14 of the test loading mechanism a.
Claims (7)
1. An electronic booster performance test device is characterized in that: it comprises a test loading mechanism A, a power supply control mechanism B and a brake loading mechanism C,
the test loading mechanism A comprises: the hydraulic cylinder assembly comprises a hydraulic cylinder assembly (1), a hydraulic cylinder rear mounting plate (2), an electronic booster mounting plate (3), a hydraulic cylinder lower mounting plate (4), a through rod (5), a guide plate (7), a transition joint (8), a lining (9), a height adjusting device (10), a longitudinal limiting block (12), a hydraulic cylinder aluminum profile support assembly (14) and a caster (16), wherein the hydraulic cylinder assembly (1) is connected with the hydraulic cylinder rear mounting plate (2); the hydraulic cylinder rear mounting plate (2) is connected with the hydraulic cylinder lower mounting plate (4); the electronic booster mounting plate (3) is connected with the hydraulic cylinder lower mounting plate (4); one ends of the two penetrating rods (5) penetrate through symmetrical holes of the hydraulic cylinder rear mounting plate (2), the other ends of the two penetrating rods penetrate through symmetrical holes of the electronic booster mounting plate (3), and the guide plate (7) is sleeved on the two penetrating rods (5) and can freely slide along the axial direction of the penetrating rods; the bushing (9) is sleeved in the central hole of the guide plate (7) and can freely slide and rotate along the axial direction of the central hole of the guide plate (7); the transition joint (8) is sleeved in the bushing (9) and can freely slide and rotate along the axial direction of the central hole of the bushing (9); the two height adjusting devices (10) are arranged on the hydraulic cylinder lower mounting plate (4) at a certain distance, and the upper ends of the two height adjusting devices are supported on the bottom plane of the hydraulic cylinder assembly (1); the two longitudinal limiting blocks (12) are respectively sleeved on the two penetrating rods (5) and can freely slide and rotate along the axial direction of the penetrating rods (5), and one end of each longitudinal limiting block is attached to the surface of the hydraulic cylinder assembly (1); the hydraulic cylinder lower mounting plate (4) is fixed on a hydraulic cylinder aluminum profile support assembly (14), the caster (16) is mounted at the bottom of the hydraulic cylinder aluminum profile support assembly (14), and the electronic booster (17) is mounted on the electronic booster mounting plate (3) and connected with the transition joint (8);
the power supply control mechanism B comprises a direct-current stabilized power supply (31), a control system (32), a driving system (33) and a power supply control lower mounting plate (34), wherein the direct-current stabilized power supply (31), the control system (32) and the driving system (33) are arranged on the power supply control lower mounting plate (34), the power supply control lower mounting plate (34) is fixed on the hydraulic cylinder aluminum profile support assembly (14), and the direct-current stabilized power supply (31) supplies power to the electronic booster (17), the control system (32) and the driving system (33); the control system (32) is connected with the electronic booster (17), the braking load mechanism C and the signal end of the hydraulic cylinder assembly (1); the driving system (33) is connected with the driving end of the electronic booster (17);
the brake load mechanism C comprises a master cylinder one-cavity pressure sensor (41), a master cylinder two-cavity pressure sensor (42), an electronic stability control system assembly (43), an electronic stability control system assembly support (44), a left front brake caliper (45), a right front brake caliper (46), a front brake caliper fixing device (47), a left rear brake caliper (48), a right rear brake caliper (49), a rear brake caliper fixing device (50), a brake pipe (51), a brake load aluminum profile support assembly (59) and a caster (16), wherein the electronic stability control system assembly support (44) is arranged on one side, close to the hydraulic cylinder aluminum profile support assembly (14), of the brake load aluminum profile support assembly (59), the two front brake caliper fixing devices (47) and the two rear brake caliper fixing devices (50) are symmetrically and sequentially arranged on the brake load aluminum profile support assembly (59), the device comprises a main cylinder first cavity pressure sensor (41) and a main cylinder second cavity pressure sensor (42), wherein the main cylinder first cavity pressure sensor (41) and the main cylinder second cavity pressure sensor (42) are arranged on two sides of a brake load aluminum profile support assembly (59), the main cylinder first cavity pressure sensor (41) is connected with an electronic booster (17) through a brake pipe (51), the main cylinder first cavity pressure sensor (41) is connected with an electronic stability control system assembly (43) through the brake pipe (51), the electronic stability control system assembly (43) is connected with a left front brake caliper (45) through the brake pipe (51), and the electronic stability control system assembly (43) is connected with a right rear brake caliper (49) through the brake pipe (51); the electronic brake system comprises a master cylinder cavity pressure sensor (42), an electronic booster (17), an electronic stability control system assembly (43), a left rear brake caliper (48), a right front brake caliper (46), a left rear brake caliper (51), a right rear brake caliper (43), a brake pipe (51), a brake pipe; the electronic stability control system assembly (43) and the electronic stability control system assembly bracket (44) are installed together; the left front brake caliper (45) and the right front brake caliper (46) are installed together with a front brake caliper fixing device (47); the left rear brake caliper (48) and the right rear brake caliper (49) are mounted together with a rear brake caliper fixing device (50); the caster (16) is arranged at the bottom of the braking load aluminum profile bracket assembly (59).
2. An electronic booster performance test apparatus as set forth in claim 1, characterized in that: the height adjusting device comprises a shell (21), a threaded sleeve (22), a screw rod (23) and a limit nut (24), wherein the shell (21) is arranged on the hydraulic cylinder lower mounting plate (4); the upper end of the threaded sleeve (22) is supported on the bottom plane of the hydraulic cylinder assembly (1); the screw (23) is arranged in the threaded sleeve (22), and the hexagonal head surface of the screw is tightly attached to the lower surface of the hydraulic cylinder lower mounting plate (4); and the limiting nut (24) is arranged in the screw rod (23), and the lower surface of the limiting nut is tightly attached to the upper surface of the hydraulic cylinder lower mounting plate (4).
3. An electronic booster performance test apparatus as set forth in claim 1, characterized in that: the control system (32) is connected with a master cylinder one-cavity pressure sensor (41) and a master cylinder two-cavity pressure sensor (42) of the brake load mechanism C.
4. An electronic booster performance test apparatus as set forth in claim 1, characterized in that: the front brake caliper fixing device (47) comprises a front brake caliper clamping plate (71) and a front brake caliper mounting plate (72), the front brake caliper mounting plate (72) is mounted with the left front brake caliper (45) and the right front brake caliper (46), and the front brake caliper clamping plate (71) is mounted with the front brake caliper mounting plate (72).
5. An electronic booster performance test apparatus as set forth in claim 1, characterized in that: the rear brake caliper fixing device (50) comprises a rear brake caliper clamping plate (81) and a rear brake caliper mounting plate (82), the rear brake caliper mounting plate (82) is mounted with the left rear brake caliper (48) and the right rear brake caliper (49), and the rear brake caliper clamping plate (81) is mounted with the rear brake caliper mounting plate (82).
6. An electronic booster performance test apparatus as set forth in claim 1, characterized in that: the hydraulic cylinder aluminum profile support assembly (14) and the braking load aluminum profile support assembly (59) are composed of aluminum profile supports and angle aluminum.
7. An electronic booster performance test apparatus as set forth in claim 1, characterized in that: the braking load mechanism C can be connected or disconnected with a hydraulic cylinder aluminum profile support assembly (14) of the test loading mechanism A through a braking load aluminum profile support assembly (59) to realize the conversion of different braking load mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920374962.1U CN209878335U (en) | 2019-03-24 | 2019-03-24 | Electronic booster performance test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920374962.1U CN209878335U (en) | 2019-03-24 | 2019-03-24 | Electronic booster performance test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273642A (en) * | 2020-03-12 | 2020-06-12 | 杭州沃镭智能科技股份有限公司 | Electric control unit test board for electric automobile electronic brake booster |
| CN113776748A (en) * | 2020-06-10 | 2021-12-10 | 华晨宝马汽车有限公司 | Sealing performance testing system and method for vehicle braking system |
| CN115824484A (en) * | 2022-12-28 | 2023-03-21 | 中机试验装备股份有限公司 | Electronic booster performance test bench, double-range force sensor and design method |
| CN113776748B (en) * | 2020-06-10 | 2024-08-27 | 华晨宝马汽车有限公司 | Tightness testing system and tightness testing method for vehicle braking system |
-
2019
- 2019-03-24 CN CN201920374962.1U patent/CN209878335U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273642A (en) * | 2020-03-12 | 2020-06-12 | 杭州沃镭智能科技股份有限公司 | Electric control unit test board for electric automobile electronic brake booster |
| CN111273642B (en) * | 2020-03-12 | 2021-01-01 | 杭州沃镭智能科技股份有限公司 | Electric control unit test board for electric automobile electronic brake booster |
| CN113776748A (en) * | 2020-06-10 | 2021-12-10 | 华晨宝马汽车有限公司 | Sealing performance testing system and method for vehicle braking system |
| CN113776748B (en) * | 2020-06-10 | 2024-08-27 | 华晨宝马汽车有限公司 | Tightness testing system and tightness testing method for vehicle braking system |
| CN115824484A (en) * | 2022-12-28 | 2023-03-21 | 中机试验装备股份有限公司 | Electronic booster performance test bench, double-range force sensor and design method |
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Effective date of registration: 20211102 Address after: 130011 No. 8899, Dongfeng Street, West New Economic and Technological Development Zone, Changchun City, Jilin Province Patentee after: China Faw Co.,Ltd. Patentee after: FAW Asset Management Co.,Ltd. Address before: No. 8899, Dongfeng Street, Changchun automobile economic and Technological Development Zone, Changchun City, Jilin Province, 130011 Patentee before: China Faw Co.,Ltd. |