CN211553315U - Electronic parking system test device - Google Patents
Electronic parking system test device Download PDFInfo
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- CN211553315U CN211553315U CN202020671798.3U CN202020671798U CN211553315U CN 211553315 U CN211553315 U CN 211553315U CN 202020671798 U CN202020671798 U CN 202020671798U CN 211553315 U CN211553315 U CN 211553315U
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- ratchet
- shifting fork
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- push rod
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Abstract
The utility model provides an electronic parking system test device, which comprises an electronic parking system, a power input mechanism, a power output mechanism, a ratchet push rod mechanism and a shifting fork movement mechanism which are arranged on a test bed, wherein a power input shaft of the power input mechanism is driven by a driving mechanism to rotate back and forth around the axis of the power input shaft; the power output mechanism comprises a rotating speed torque sensor and a power output shaft; the ratchet push rod mechanism is used for pushing ratchets on the outer ring of the ratchet sleeve to enable the ratchet sleeve to rotate in sequence; the shifting fork motion mechanism is used for pushing the shifting fork disc to move back and forth along the axial direction, so that a plurality of transmission pins on the shifting fork disc are driven to be separated from or inserted into a plurality of transmission holes on the ratchet wheel flange, and the separation or combination of the ratchet wheel connecting shaft and the power input shaft is realized. The utility model has the advantages that: the test device meets the requirements of multiple tests of the electronic parking system and has high test efficiency.
Description
Technical Field
The utility model relates to a new energy automobile part detection device technical field, the more specifically electron parking system test device that says so.
Background
The parking system in the traditional parking system test device needs to be installed in a finished automobile gearbox for test, and the parking system test device which is designed by a whole machine factory and can be separated from the gearbox is also provided, but the parking system test device is manually operated, so that a plurality of test requirements for verifying the design requirement of an electronic parking system can not be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide an electron parking system test device to satisfy the multinomial experimental requirement and the test efficiency height of electron parking system in hope.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a test device of an electronic parking system comprises a test bed, wherein the test bed is provided with the electronic parking system, the test bed is provided with a power input mechanism, a power output mechanism, a ratchet wheel push rod mechanism and a shifting fork movement mechanism,
the power input mechanism comprises a power input shaft which is rotatably supported on the test bed, a ratchet wheel flange is fixedly sleeved outside the tail end of the power input shaft, and the power input shaft is driven by the driving mechanism to rotate back and forth around the axis of the power input shaft;
the power output mechanism comprises a rotating speed torque sensor and a power output shaft, wherein an extension shaft at one end of the rotating speed torque sensor is used as a ratchet wheel connecting shaft, an extension shaft at the other end of the rotating speed torque sensor is coaxially and fixedly connected with the power output shaft, the power output shaft is rotatably supported on a test bed, a parking gear of the electronic parking system is fixedly sleeved on the tail end of the power output shaft, the end part of the ratchet wheel connecting shaft is coaxially and oppositely arranged with the tail end of the power input shaft but is not contacted with the tail end of the power input shaft, a ratchet wheel sleeve is fixedly sleeved on the ratchet wheel connecting shaft, a shifting fork disc is sleeved on the ratchet wheel sleeve in a sliding manner, ratchets with the same number as the teeth of the parking gear are arranged on the outer ring of the ratchet wheel sleeve, a plurality of transmission pins are uniformly distributed on the shifting fork disc along the circumferential direction, the transmission pins are parallel to the axial lead of the ratchet wheel connecting shaft, a plurality, the ratchet wheel flange is inserted into a plurality of transmission holes on the ratchet wheel flange;
the ratchet push rod mechanism is used for pushing ratchets on the outer ring of the ratchet sleeve to enable the ratchet sleeve to rotate in sequence;
the shifting fork motion mechanism is used for pushing the shifting fork disc to move back and forth along the axial direction, so that a plurality of transmission pins on the shifting fork disc are driven to be separated from or inserted into a plurality of transmission holes on the ratchet wheel flange, and the separation or combination of the ratchet wheel connecting shaft and the power input shaft is further realized.
Further, actuating mechanism is including setting up the actuating cylinder that drives in power input shaft head end one side, it articulates on the test bench through first articulated shaft to drive the vertical setting of actuating cylinder and bottom, the piston rod that drives actuating cylinder top upwards stretches out and articulates through the second articulated shaft has a cylinder push rod, the other end and the power input shaft head end fixed connection of cylinder push rod, first articulated shaft and second articulated shaft are all parallel with power input shaft, and the piston rod through driving actuating cylinder is flexible, thereby drives power input shaft makes a round trip to rotate along self axial lead.
Furthermore, the ratchet push rod mechanism is arranged on one side of the ratchet sleeve and comprises a ratchet cylinder and a ratchet push rod, a piston rod of the ratchet cylinder extends along the direction perpendicular to the axis of the ratchet sleeve, the ratchet push rod is fixed on the piston rod of the ratchet cylinder, one end of the ratchet push rod close to the ratchet sleeve is provided with pushing teeth, the piston rod of the ratchet cylinder stretches and retracts to drive the ratchet push rod to move back and forth along a straight line, and then the pushing teeth at the end part of the ratchet push rod push the ratchets on the outer ring of the ratchet sleeve to move, so that the ratchet sleeve rotates sequentially.
Furthermore, a ratchet push rod guide seat used for guiding the movement of the ratchet push rod is further arranged on the test bed, a guide channel parallel to a piston rod of the ratchet cylinder is formed in the ratchet push rod guide seat, and the ratchet push rod penetrates through the guide channel and can move back and forth along the guide channel.
Furthermore, a mounting plate protruding in the radial direction is arranged on one side of the ratchet push rod, and the ratchet push rod is fixedly sleeved on a piston rod of the ratchet cylinder through the mounting plate.
Further, the shifting fork motion mechanism is arranged on one side of the shifting fork disc and comprises a shifting fork cylinder and a shifting fork, a piston rod of the shifting fork cylinder extends along the direction parallel to the axis of the shifting fork disc, the shifting fork is fixed on the piston rod of the shifting fork cylinder, a circle of annular shifting groove is formed in the outer circumference of the shifting fork disc, the shifting fork surrounds the periphery of the shifting fork disc, a shifting pin extending along the radial direction of the shifting fork disc is arranged on the inner side of the shifting fork, the shifting pin of the shifting fork extends into the shifting groove of the shifting fork disc, the piston rod of the shifting fork cylinder stretches and retracts to drive the shifting fork to move back and forth, and finally the shifting fork disc is driven to move back and forth along the axial direction through the shifting pin on the inner side of the shifting fork disc, so that a plurality of transmission pins on the shifting fork disc are separated from.
Furthermore, the shifting fork is installed on a shifting fork installation plate, the shifting fork installation plate is fixedly connected with a piston rod of the shifting fork cylinder, the shifting fork installation plate is slidably sleeved on a shifting fork shaft, two ends of the shifting fork shaft are respectively installed on shifting fork bases, and the two shifting fork bases are installed on the test bed.
Furthermore, the shifting fork is of a semicircular ring structure which surrounds a shifting fork disc by a half circle, and the inner sides of the two ends of the shifting fork are respectively provided with the shifting pin.
Furthermore, a push rod shaft sleeve is fixedly sleeved outside the power input shaft, the push rod shaft sleeve is rotatably supported on a first bearing seat through a deep groove ball bearing, and the first bearing seat is installed on the test bed.
Furthermore, the other end of the rotating speed and torque sensor extends out of the shaft and the power output shaft and is fixedly sleeved with the same output shaft sleeve, the output shaft sleeve is rotatably supported on a second bearing seat through a thrust roller bearing, and the second bearing seat is installed on a test bed.
Compared with the prior art, the utility model discloses beneficial effect embodies:
the utility model provides a pair of electron parking system test device, it transmits power to power take off mechanism through power input mechanism, and then gives electron parking system through power take off mechanism transmission power to through rotational speed torque sensor real-time recording rotational speed torque value, thereby realize the test to electron parking system. In addition, the utility model discloses a ratchet that ratchet push rod mechanism promoted ratchet cover outer lane makes the ratchet cover rotate in order, realizes the parking gear of electron parking system and trades the tooth function in order; and through the cooperation of the shifting fork movement mechanism, the separation or combination between the power input mechanism and the power output mechanism in the gear changing process is realized, the full-gear detection of the parking gear of the electronic parking system is realized, and the requirements of a plurality of project tests of the electronic parking system are met. The utility model is convenient in operation, powerful can implement the multinomial experiment of electron parking system, has improved test efficiency, has promoted automobile parts test ability, has improved production efficiency and quality assurance ability, is favorable to on-the-spot quality control.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is a right side view of the present invention.
Fig. 4 is a cross-sectional view E-E of fig. 1.
Fig. 5 is a sectional view F-F of fig. 1.
In the figure, 1 test stand; 2, an electronic parking system; 3, parking system base; 4 power input shaft; 5, ratchet wheel flange; 6 push rod shaft sleeve; 7, deep groove ball bearings; 8 a first bearing seat; 9 driving the cylinder; 10 a first hinge shaft; 11 a second hinge shaft; 12 cylinder push rods; 13 a rotational speed torque sensor; 14 power take-off shafts; 15 ratchet wheel connecting shaft; 16 an output shaft sleeve; 17 a thrust roller bearing; 18 a second bearing housing; 19 a parking gear; 20, a ratchet sleeve; 21, a ratchet; 22 a fork disc; 23 drive pins; 24 drive holes; 25 ratchet wheel cylinders; 26 a ratchet push rod; 27 mounting a plate; 28 pushing the teeth; 29 ratchet push rod guide seat; 30 shifting fork cylinders; 31 a shifting fork; 32 a toggle groove; 33 a tumbler pin; 34 a shifting fork mounting plate; 35 a fork shaft; 36 a fork base; 37 a sensor mount; 38 box body.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the present embodiment provides an electronic parking system testing apparatus, including a test bed 1, an electronic parking system 2 is installed on the test bed 1, the electronic parking system 2 is disposed on an L-shaped parking system base 3 on the test bed 1, the test bed 1 is disposed in a box 38, and one end of the test bed 1, on which the electronic parking system 2 is installed, extends out from an opening on a side wall of the box 38, so as to facilitate the dismounting and mounting of the electronic parking system 2.
The test bed 1 is provided with a power input mechanism, a power output mechanism, a ratchet wheel push rod mechanism and a shifting fork movement mechanism.
The power input mechanism comprises a power input shaft 4 which is rotatably supported on the test bed 1, a ratchet wheel flange 5 is fixedly sleeved outside the tail end of the power input shaft 4, and the power input shaft 4 is driven by the driving mechanism to rotate back and forth around the axis of the power input shaft 4. The power input shaft 4 is fixedly sleeved with a push rod shaft sleeve 6, the push rod shaft sleeve 6 is rotatably supported on a first bearing seat 8 through a deep groove ball bearing 7, and the first bearing seat 8 is installed on the test bed 1.
Actuating mechanism is including setting up the actuating cylinder 9 that drives in 4 head end one sides of power input shaft, it articulates on test bench 1 through first articulated shaft 10 to drive the vertical setting of actuating cylinder 9 and bottom, the piston rod that drives the actuating cylinder 9 top upwards stretches out and articulates through second articulated shaft 11 has a cylinder push rod 12, the other end and the 4 head end fixed connection of power input shaft of cylinder push rod 12, first articulated shaft 10 and second articulated shaft 11 all parallel with power input shaft 4, it is flexible through the piston rod that drives actuating cylinder 9, thereby it makes a round trip to rotate along self axial lead to drive power input shaft 4.
The power output mechanism comprises a rotating speed torque sensor 13 and a power output shaft 14, and the rotating speed torque sensor 13 is installed on the test bed 1 through a sensor base 37. An extending shaft at one end of the rotating speed torque sensor 13 serves as a ratchet wheel connecting shaft 15, an extending shaft at the other end of the rotating speed torque sensor 13 is coaxially and fixedly connected with the power output shaft 14, the extending shaft at the other end of the rotating speed torque sensor 13 and the power output shaft 14 are fixedly sleeved with the same output shaft sleeve 16, the output shaft sleeve 16 is rotatably supported on a second bearing block 18 through a thrust roller bearing 17, and the second bearing block 18 is installed on the test bed 1. The parking gear 19 of the electronic parking system 2 is fixedly sleeved on the tail end of the power output shaft 14, and the tail end of the power output shaft 14 penetrates through the L-shaped parking system base 3 and then is connected with the parking gear 19 of the electronic parking system 2. The end part of the ratchet connecting shaft 15 is coaxially and oppositely arranged with the tail end of the power input shaft 4 but is not contacted with the tail end of the power input shaft, a ratchet sleeve 20 is fixedly sleeved on the ratchet connecting shaft 15, a shifting fork plate 22 is sleeved on the ratchet sleeve 20 in a sliding mode, ratchets 21 with the same number as the parking gear 19 are arranged on the outer ring of the ratchet sleeve 20, a plurality of transmission pins 23 are uniformly distributed on the shifting fork plate 22 along the circumferential direction, the transmission pins 23 are parallel to the axial lead of the ratchet connecting shaft 15, a plurality of transmission holes 24 are formed in the ratchet sleeve 20 and the ratchet flange 5 along the circumferential direction, and the plurality of transmission pins 23 on the shifting fork plate 22 are inserted into the plurality of transmission holes 24 on the ratchet flange 5 after passing through the plurality of transmission.
The ratchet push rod mechanism is used for pushing the ratchet 21 on the outer ring of the ratchet sleeve 20 to make the ratchet sleeve 20 rotate in sequence. The ratchet push rod mechanism is arranged on one side of the ratchet sleeve 20 and comprises a ratchet cylinder 25 and a ratchet push rod 26, a piston rod of the ratchet cylinder 25 extends along the direction perpendicular to the axis of the ratchet sleeve 20, the ratchet push rod 26 is fixed on the piston rod of the ratchet cylinder 25, a mounting plate 27 protruding in the radial direction is arranged on one side of the ratchet push rod 26, and the ratchet push rod 26 is fixedly sleeved on the piston rod of the ratchet cylinder 25 through the mounting plate 27. The ratchet push rod 26 is provided with push teeth 28 at one end close to the ratchet sleeve 20, and the piston rod of the ratchet cylinder 25 stretches to drive the ratchet push rod 26 to move back and forth along a straight line, so that the push teeth 28 at the end of the ratchet push rod 26 push the ratchets 21 on the outer ring of the ratchet sleeve 20 to move, and the ratchet sleeve 20 rotates sequentially.
The test bed 1 is further provided with a ratchet push rod guide seat 29 for guiding the movement of the ratchet push rod 26, a guide channel parallel to the piston rod of the ratchet cylinder 25 is formed in the ratchet push rod guide seat 29, and the ratchet push rod 26 penetrates through the guide channel and can move back and forth along the guide channel.
The shifting fork motion mechanism is used for pushing the shifting fork disc 22 to move back and forth along the axial direction, so that a plurality of transmission pins 23 on the shifting fork disc 22 are driven to be separated from or inserted into a plurality of transmission holes 24 on the ratchet flange 5, and the separation or combination of the ratchet connecting shaft 15 and the power input shaft 4 is further realized.
The shifting fork movement mechanism is arranged on one side of the shifting fork disc 22 and comprises a shifting fork cylinder 30 and a shifting fork 31, a piston rod of the shifting fork cylinder 30 extends along the direction parallel to the axis of the shifting fork disc 22, the shifting fork 31 is fixed on the piston rod of the shifting fork cylinder 30, a circle of annular shifting groove 32 is formed in the outer circumference of the shifting fork disc 22, the shifting fork 31 surrounds the periphery of the shifting fork disc 22, a shifting pin 33 extending along the radial direction of the shifting fork disc 22 is arranged on the inner side of the shifting fork 31, the shifting fork 31 is of a semicircular structure surrounding the shifting fork disc 22 by half a circle, and shifting pins 33 are respectively arranged on the inner sides of two ends of the shifting. The poking pins 33 at the two ends of the shifting fork 31 extend into the poking grooves 32 of the poking fork disc 22 and stretch out and draw back through the piston rods of the shifting fork cylinders 30, so that the shifting fork 31 is driven to move back and forth, finally, the poking pins 33 on the inner side of the shifting fork 31 drive the poking fork disc 22 to move back and forth along the axial direction, and then the plurality of transmission pins 23 on the poking fork disc 22 are separated from or inserted into the plurality of transmission holes 24 on the ratchet flange 5.
The shifting fork 31 is installed on a shifting fork installation plate 34, the shifting fork installation plate 34 is fixedly connected with a piston rod of the shifting fork cylinder 30, the shifting fork installation plate 34 is slidably sleeved on a shifting fork shaft 35, two ends of the shifting fork shaft 35 are respectively installed on shifting fork bases 36, and the two shifting fork bases 36 are installed on the test bed 1.
The working process of the test device provided by the embodiment is as follows:
firstly, an electronic parking system 2 to be tested is placed on a parking system base 3, a parking gear 19 of the electronic parking system 2 is sleeved on a power output shaft 14, and the parking gear 19 is connected with the power output shaft 14 through a spline to achieve synchronous rotation. Then the shifting fork movement mechanism acts, the shifting fork cylinder 30 drives the shifting fork disc 22 to move towards the direction close to the ratchet flange 5, so that the plurality of transmission pins 23 on the shifting fork disc 22 are inserted into the plurality of transmission holes 24 on the ratchet flange 5, the combination of the ratchet connection shaft 15 and the power input shaft 4 is realized, and the combination of the power input mechanism and the power output mechanism is realized. Then the power input mechanism acts to drive a piston rod of the air cylinder 9 to stretch and retract, so that the power input shaft 4 is driven to swing back and forth along the axis of the power input shaft 4, the power input shaft 4 transmits power to a parking gear 19 of the electronic parking system 2 through a power output shaft 14, the parking gear 19 is driven to swing synchronously, and at the moment, the electronic parking system 2 outputs an instruction to shift P to enable a pawl of the electronic parking system 2 to be meshed with a first tooth of the parking gear 19; the piston rod of the driving cylinder 9 continues to move to increase the torque, the damage condition of the parking gear 19 part is checked, and the torque value at the moment is recorded by the rotating speed torque sensor 13; the detection of the first tooth of the parking gear 19 is completed.
Then, the shifting fork movement mechanism acts, the plurality of transmission pins 23 on the shifting fork disc 22 are separated from the plurality of transmission holes 24 on the ratchet flange 5, and the separation of the ratchet wheel connecting shaft 15 and the power input shaft 4 is realized, namely the separation of the power input mechanism and the power output mechanism is realized, so that the subsequent ratchet wheel push rod mechanism can perform the tooth changing action. And then the ratchet push rod mechanism acts, a piston rod of the ratchet cylinder 25 extends out to drive the ratchet push rod 26 to move along a straight line, and further the pushing teeth 28 at the end part of the ratchet push rod 26 push the ratchets 21 on the outer ring of the ratchet sleeve 20 to move, so that the ratchet sleeve 20 rotates one ratchet 21, further the parking gear 19 is driven to synchronously rotate one tooth, the pawl of the electronic parking system 2 corresponds to the second tooth of the parking gear 19, and the function of changing the teeth is realized. After the gear changing is finished, the shifting fork movement mechanism drives the ratchet wheel connecting shaft 15 to be combined with the power input shaft 4, then the power input mechanism acts to input power to the parking gear 19, and the second gear of the parking gear 19 is detected.
By repeating the above operations, the full-tooth detection of the parking gear 19 can be realized, and the requirements of a plurality of project tests of the electronic parking system 2 are met.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an electron parking system test device, includes test bench (1), install electron parking system (2), its characterized in that on test bench (1): the test bed (1) is provided with a power input mechanism, a power output mechanism, a ratchet wheel push rod mechanism and a shifting fork movement mechanism,
the power input mechanism comprises a power input shaft (4) which is rotatably supported on the test bed (1), a ratchet wheel flange (5) is fixedly sleeved outside the tail end of the power input shaft (4), and the power input shaft (4) is driven by a driving mechanism to rotate back and forth around the axis of the power input shaft (4);
the power output mechanism comprises a rotating speed torque sensor (13) and a power output shaft (14), wherein one end of the rotating speed torque sensor (13) extends out of the shaft to serve as a ratchet connecting shaft (15) and the other end extends out of the shaft to be coaxially and fixedly connected with the power output shaft (14), the power output shaft (14) rotates and is supported on a test bed (1), a parking gear (19) of the electronic parking system (2) is fixedly sleeved on the tail end of the power output shaft (14), the end part of the ratchet connecting shaft (15) and the tail end of the power input shaft (4) are coaxially and oppositely arranged but do not contact with each other, a ratchet sleeve (20) is fixedly sleeved on the ratchet connecting shaft (15), a shifting fork disc (22) is sleeved on the ratchet sleeve (20) in a sliding mode, the outer ring of the ratchet sleeve (20) is provided with a plurality of transmission pins (23) which are the same as the number of teeth of the parking gear (19), the transmission pins (23) are parallel to the axial lead of the ratchet wheel connecting shaft (15), a plurality of transmission holes (24) are formed in the ratchet wheel sleeve (20) and the ratchet wheel flange (5) along the circumferential direction, and the plurality of transmission pins (23) on the shifting fork disc (22) are inserted into the plurality of transmission holes (24) on the ratchet wheel flange (5) after penetrating through the plurality of transmission holes (24) on the ratchet wheel sleeve (20) in a one-to-one correspondence manner;
the ratchet push rod mechanism is used for pushing ratchets (21) on the outer ring of the ratchet sleeve (20) to enable the ratchet sleeve (20) to rotate in sequence;
the shifting fork motion mechanism is used for pushing a shifting fork disc (22) to move back and forth along the axial direction, so that a plurality of transmission pins (23) on the shifting fork disc (22) are driven to be separated from or inserted into a plurality of transmission holes (24) on a ratchet flange (5), and separation or combination of a ratchet connecting shaft (15) and a power input shaft (4) is realized.
2. The electronic parking system test apparatus as claimed in claim 1, wherein: actuating mechanism is including setting up driving actuating cylinder (9) in power input shaft (4) head end one side, it articulates on test bench (1) through first articulated shaft (10) to drive actuating cylinder (9) vertical setting and bottom, the piston rod that drives actuating cylinder (9) top upwards stretches out and articulates through second articulated shaft (11) has one cylinder push rod (12), the other end and power input shaft (4) head end fixed connection of cylinder push rod (12), first articulated shaft (10) and second articulated shaft (11) all parallel with power input shaft (4), and it is flexible through the piston rod that drives actuating cylinder (9), thereby drive power input shaft (4) make a round trip to rotate along self axial lead.
3. The electronic parking system test apparatus as claimed in claim 1, wherein: the ratchet push rod mechanism is arranged on one side of the ratchet sleeve (20) and comprises a ratchet cylinder (25) and a ratchet push rod (26), a piston rod of the ratchet cylinder (25) extends along the direction perpendicular to the axis of the ratchet sleeve (20), the ratchet push rod (26) is fixed on the piston rod of the ratchet cylinder (25), pushing teeth (28) are arranged at one end, close to the ratchet sleeve (20), of the ratchet push rod (26), the ratchet push rod (26) is driven to move back and forth along a straight line through the stretching of the piston rod of the ratchet cylinder (25), and then the ratchet (21) on the outer ring of the ratchet sleeve (20) is pushed to move through the pushing teeth (28) at the end of the ratchet push rod (26), so that the ratchet sleeve (20) rotates sequentially.
4. The electronic parking system test apparatus as set forth in claim 3, wherein: the test bed (1) is further provided with a ratchet push rod guide seat (29) used for guiding the movement of the ratchet push rod (26), a guide channel parallel to a piston rod of the ratchet cylinder (25) is formed in the ratchet push rod guide seat (29), and the ratchet push rod (26) penetrates through the guide channel and can move back and forth along the guide channel.
5. The electronic parking system test apparatus as set forth in claim 3, wherein: ratchet push rod (26) one side is equipped with radial convex mounting panel (27), ratchet push rod (26) pass through mounting panel (27) fixed suit on the piston rod of ratchet cylinder (25).
6. The electronic parking system test apparatus as claimed in claim 1, wherein: the shifting fork motion mechanism is arranged on one side of a shifting fork disc (22) and comprises a shifting fork cylinder (30) and a shifting fork (31), a piston rod of the shifting fork cylinder (30) extends along the direction parallel to the axis of the shifting fork disc (22), the shifting fork (31) is fixed on the piston rod of the shifting fork cylinder (30), a circle of annular shifting groove (32) is formed in the outer circumference of the shifting fork disc (22), the shifting fork (31) surrounds the periphery of the shifting fork disc (22), a shifting pin (33) extending along the radial direction of the shifting fork disc (22) is arranged on the inner side of the shifting fork (31), the shifting pin (33) of the shifting fork (31) extends into the shifting groove (32) of the shifting fork disc (22), the piston rod of the shifting fork cylinder (30) stretches out and draws back, so that the shifting fork (31) is driven to move back and forth, and back and forth movement of the shifting fork disc (22) is driven by the shifting pin (33) on the inner side of the shifting, thereby realizing that a plurality of driving pins (23) on the shifting fork disc (22) are separated from or inserted into a plurality of driving holes (24) on the ratchet wheel flange (5).
7. The electronic parking system test apparatus as defined in claim 6, wherein: the test bench is characterized in that the shifting fork (31) is installed on a shifting fork installation plate (34), the shifting fork installation plate (34) is fixedly connected with a piston rod of a shifting fork cylinder (30), the shifting fork installation plate (34) is slidably sleeved on a shifting fork shaft (35), two ends of the shifting fork shaft (35) are respectively installed on a shifting fork base (36), and the two shifting fork bases (36) are installed on the test bench (1).
8. The electronic parking system test apparatus as defined in claim 6, wherein: the shifting fork (31) is a semicircular ring structure which surrounds a shifting fork disc (22) for a half circle, and the inner sides of two ends of the shifting fork (31) are respectively provided with the shifting pins (33).
9. The electronic parking system test apparatus as claimed in claim 1, wherein: the power input shaft (4) is fixedly sleeved with a push rod shaft sleeve (6), the push rod shaft sleeve (6) is rotatably supported on a first bearing seat (8) through a deep groove ball bearing (7), and the first bearing seat (8) is installed on the test bed (1).
10. The electronic parking system test apparatus as claimed in claim 1, wherein: the other end of the rotating speed torque sensor (13) extends out of the shaft and the power output shaft (14) and is fixedly sleeved with the same output shaft sleeve (16), the output shaft sleeve (16) is rotatably supported on a second bearing seat (18) through a thrust roller bearing (17), and the second bearing seat (18) is installed on the test bed (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020671798.3U CN211553315U (en) | 2020-04-27 | 2020-04-27 | Electronic parking system test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020671798.3U CN211553315U (en) | 2020-04-27 | 2020-04-27 | Electronic parking system test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211553315U true CN211553315U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020671798.3U Active CN211553315U (en) | 2020-04-27 | 2020-04-27 | Electronic parking system test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211553315U (en) |
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2020
- 2020-04-27 CN CN202020671798.3U patent/CN211553315U/en active Active
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 237161 no.1692, Gaocheng East Road, economic development zone, Lu'an City, Anhui Province Patentee after: Lu'an Yongda Machinery Co.,Ltd. Address before: 237161 no.1692, Gaocheng East Road, economic development zone, Lu'an City, Anhui Province Patentee before: LU'AN JIANGHUAI YONGDA MACHINERY MANUFACTURING CO.,LTD. |