CN212180271U

CN212180271U - Durable testing arrangement of booster shifts

Info

Publication number: CN212180271U
Application number: CN202021009687.2U
Authority: CN
Inventors: 仲凯; 杨骏杰; 崔敬彬; 李苏梅; 裴丽敏
Original assignee: Hoerbiger Drive Technology Changzhou Co ltd
Current assignee: Hoerbiger Drive Technology Changzhou Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-12-18
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a durable testing arrangement of booster of shifting, include: a box body; a reciprocating drive mechanism; the swing arm is connected with the reciprocating driving mechanism; the two limiting mechanisms are respectively positioned at two sides of the swing arm; the middle transmission assembly is connected with an input shaft of the gear shifting booster, the middle transmission assembly is connected with the box body through a pivot, and the middle transmission assembly is further connected with the swing arm. The utility model discloses when making the booster operation test of shifting, reach the stroke of shifting at every turn.

Description

Durable testing arrangement of booster shifts

Technical Field

The utility model relates to a durable testing arrangement of booster of shifting.

Background

Along with the development trend of large-scale truck or passenger car of modern science and technology, its derailleur power of shifting makes driver intensity of labour high and has more and more aroused high attention of trade personel, except adopting the synchronous ware to shift gears and solving the phenomenon such as impact tooth beating that exists when shifting gears, with booster unit alleviates driver's intensity of labour, also by each truck or passenger car manufacturer applied. The gear shifting power assisting device is mounted on a truck or a passenger car, effective air power is provided in the gear shifting process when the truck or the passenger car drives, the problem that the truck is difficult to shift and is heavy in gear shifting is solved, the labor intensity of a driver is reduced, and the driving control comfort is improved.

The main driving equipment of the gear shifting booster is a cylinder assembly, a double-acting piston is coaxially arranged in the cylinder assembly, the piston is coaxially and fixedly connected with a main shaft, and the gear shifting booster is realized by pneumatically driving the piston to reciprocate. After the booster that shifts forms the finished product, need test its parameter of shifting, endurance test is one of them test procedure, in present testing arrangement, because do not obtain control to the booster stroke of shifting, can make the booster can not normal helping hand, leads to unable satisfying the test requirement, can not reach effectual operation number of times promptly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a durable testing arrangement of booster of shifting for when the booster of shifting operation test, reach the stroke of shifting at every turn.

The technical scheme for solving the technical problems is as follows:

shift booster endurance test device includes:

a box body;

a reciprocating drive mechanism;

the swing arm is connected with the reciprocating driving mechanism;

the two limiting mechanisms are respectively positioned at two sides of the swing arm;

the middle transmission assembly is connected with an input shaft of the gear shifting booster, the middle transmission assembly is connected with the box body through a pivot, and the middle transmission assembly is further connected with the swing arm.

The utility model discloses an optimize the structure, when reciprocating drive mechanism reciprocating motion, reciprocating drive mechanism drive swing arm reciprocating swing, the reciprocal rotation of drive assembly in the middle of the swing arm drive, because middle drive assembly is connected with the input shaft of the booster of shifting, consequently, the input shaft of middle drive assembly drive booster of shifting is along its axial reciprocating motion, makes the output part of the booster of shifting form the output of reciprocal shifting. The swing arm is at the swing in-process, and its amplitude of oscillation receives stop gear's restriction to the size of the axial displacement of the input shaft of booster that shifts has formed the restriction, has avoided the booster that shifts to normally do not assist, makes the booster that shifts can reach effectual use number of times, has the life of design promptly.

Drawings

FIG. 1 is a schematic illustration of a shift booster durability test apparatus in connection with a shift booster;

FIG. 2 is a side view of a shift booster durability test apparatus;

FIG. 3 is a schematic illustration of the input and output portions of the gear booster;

reference numbers in the drawings:

the device comprises a box body 1, a guide mechanism 1a, a swing arm 2, a first air cylinder 3, a sliding block 4, a first supporting seat 5, a first mounting hole 5a, an adjusting rod 6, an intermediate shaft 7, a swing head 8, a hollow shaft 9, a shifting block 10, a swing assembly 11 and a torque applying device 12, wherein the box body is a box body; a is a gear shifting booster, B is an input shaft, and C is an output part.

Detailed Description

The present invention will be described with reference to the accompanying drawings.

The durability testing device of the gear shifting booster comprises a box body 1, a reciprocating driving mechanism, a swing arm 2, a limiting mechanism for limiting the swing amplitude of the swing arm 2 and a middle transmission assembly connected with an input shaft of the gear shifting booster, wherein the swing arm 2 is connected with the reciprocating driving mechanism; the two limiting mechanisms are respectively positioned at two sides of the swing arm; the middle transmission component is connected with the box body 1 through a pivot, and the middle transmission component is also connected with the swing arm 2.

When the reciprocating driving mechanism reciprocates, the reciprocating driving mechanism drives the swing arm 2 to do reciprocating swing, the swing arm 2 drives the middle transmission assembly to do reciprocating rotation, and the middle transmission assembly is connected with the input shaft B of the gear shifting booster A, so that the middle transmission assembly drives the input shaft B of the gear shifting booster A to do reciprocating movement along the axial direction of the input shaft B, and the output part C of the gear shifting booster A forms reciprocating gear shifting output. In the swing process of the swing arm 2, the swing amplitude of the swing arm is limited by the limiting mechanism, so that the size of the axial movement of the input shaft B of the gear shifting booster A is limited, the distance sizes of L2 and L3 are kept equal in the durability test process of the gear shifting booster, the normal gear shifting test is realized, and the gear shifting stroke is reached every time, as shown in fig. 3. Simultaneously this kind of structure still makes when having avoided the test shift booster A stroke too big lead to shifting booster A stroke super poor problem and lead to unable normal test, makes shift booster A can reach effectual use number of times, has the life of design promptly.

The reciprocating driving mechanism comprises a first cylinder 3 and a sliding block 4, the sliding block 4 is connected with the first cylinder 3, and the sliding block 4 is hinged with the swing arm 2. Preferably, the first cylinder 3 is installed on the box body 1, the box body 1 supports the first cylinder 3, a guide mechanism 1a is arranged on the box body 1, the guide mechanism 1a is composed of a support and a guide rod, the support is fixed with the box body 1, the guide rod is fixed with the support, and the sliding block 4 is in sliding fit with the guide rod. A through hole is formed in the sliding block 4, and one end of the swing arm 2 is hinged to the sliding block 4 through a screw after penetrating through the through hole.

The other end of the swing arm 2 is connected with the middle transmission component. The middle transmission assembly comprises a middle shaft 7 and a swing head 8 for shifting a shaft of the gear shifting booster A to axially move, the middle shaft 7 penetrates through the box body 1 to be fixed with the swing arm 2, the middle shaft 7 is in pivot connection with the box body 1, and the middle shaft 7 is supported on the box body 1 through a bearing, so that the middle shaft 7 can freely rotate relative to the box body 1. The swing head 8 is fixedly connected with the intermediate shaft, when the intermediate shaft 7 rotates, the swing head 8 rotates along with the intermediate shaft 7, and the intermediate shaft 7 is driven by the swing arm 2 to rotate in a reciprocating mode, so that the swing head 8 can only swing in a reciprocating mode, and the shaft entering shaft B of the gear booster A can move in a reciprocating mode.

The limiting mechanism comprises a first supporting seat 5 and an adjusting rod 6 for adjusting the distance between the adjusting rod and the swing arm 2, and the adjusting rod 6 is connected with the first supporting seat. The swing amplitude of the swing arm 2 can be adjusted by the adjusting function of the adjusting rod 6. Preferably, a second mounting hole is formed in the first support base 5, the second mounting hole is a threaded hole, the adjusting rod 6 is a threaded rod, and the adjusting rod 6 is in threaded connection with the second mounting hole. Through threaded connection, the adjusting rod 6 and the distance between the adjusting rod and the swing arm 2 can be adjusted conveniently. The freely-adjustable structure can be suitable for durability tests of different gear shifting boosters A.

Preferably, be equipped with the first mounting hole 5a that is used for adjusting 5 mounted positions of first supporting seat on the first supporting seat 5, first mounting hole 5a is the arc hole, and first mounting hole 5a preferably sets up to two, and the screw passes first mounting hole 5a and is connected with box 1, makes first supporting seat 5 fixed with the box. Through the arc hole, can adjust the position of first supporting seat 5 for the position of adjusting the pole 6 of being connected with first supporting seat 5 obtains changing, and then makes the axial of first regulation pole 6 and the contained angle that forms between swing arm 2 obtain changing.

The gear shifting booster comprises a middle transmission assembly, a gear shifting moment simulator and an outer transmission assembly, wherein the middle transmission assembly is sleeved with the outer transmission assembly in a hollow mode, and the gear shifting moment simulator is connected with the outer transmission assembly. The outer transmission assembly comprises a hollow shaft 9 and a shifting block 10, the hollow shaft 9 is fixed with the shifting block 10, the shifting block 10 is matched with the output part C, specifically, a groove is formed in the output part C, and the shifting block 10 is matched with the groove in the output part C. When the input shaft B of the gear shifting booster A moves, the output part C also moves axially, so that the shifting block 10 is driven to move, and the shifting block 10 drives the hollow shaft 9 to rotate.

The shifting torque simulator comprises a swinging assembly 11 and a torque applicator 12, wherein the swinging assembly 11 is circumferentially fixed with the hollow shaft 9, the swinging assembly 11 is matched with the output end of the torque applicator 12, preferably, the swinging assembly 11 is positioned in the box body 1, the torque applicator 12 preferably adopts a cylinder, and a piston rod of the cylinder extends into the box body 1 and is matched with the swinging assembly 11. When the hollow shaft 9 rotates in a reciprocating manner, the hollow shaft 9 drives the swing assembly 11 to swing, and the swing assembly 11 overcomes the acting force of the cylinder to move the piston rod. Because the acting force of the cylinder acts on the swinging assembly 11, the maximum acting force which needs to be overcome by the gear shifting booster A during gear shifting can be simulated.

Claims

1. Shift booster endurance test device, its characterized in that includes:

a box body (1);

a reciprocating drive mechanism;

the swing arm (2), the swing arm (2) is connected with the reciprocating drive mechanism;

the two limiting mechanisms are respectively positioned at the two sides of the swing arm;

the middle transmission assembly is connected with an input shaft of the gear shifting booster, the middle transmission assembly is connected with the box body (1) through a pivot, and the middle transmission assembly is further connected with the swing arm (2).

2. A shift booster durability test apparatus according to claim 1, wherein the reciprocating drive mechanism includes:

a first cylinder (3);

the sliding block (4), the sliding block (4) is connected with the first cylinder (3); the sliding block (4) is hinged with the swing arm.

3. A shift booster durability test device according to claim 1, characterized in that the limit mechanism comprises:

a first support base (5);

the adjusting rod (6) is used for adjusting the distance between the adjusting rod and the swing arm (2), and the adjusting rod (6) is connected with the first supporting seat.

4. A durability testing device of a gear shifting booster according to claim 3, wherein a first mounting hole (5a) for adjusting the mounting position of the first supporting seat (5) is formed in the first supporting seat (5), the first mounting hole (5a) is an arc-shaped hole, and a screw penetrates through the first mounting hole (5a) to be connected with the box body (1) so that the first supporting seat (5) is fixed with the box body.

5. A gear-shifting booster endurance testing device according to claim 3 or 4, wherein the first supporting seat (5) is provided with a second mounting hole, the second mounting hole is a threaded hole, the adjusting rod (6) is a screw rod, and the adjusting rod (6) is in threaded connection with the second mounting hole.

6. The shift booster endurance testing apparatus according to any one of claims 1 to 4, further comprising: the outer transmission assembly is connected with the output part of the gear shifting booster and is sleeved on the middle transmission assembly in an empty mode;

the gear shifting torque simulator is connected with the outer transmission assembly.