CN215574260U - Load device for test for realizing push-pull load by single spring - Google Patents
Load device for test for realizing push-pull load by single spring Download PDFInfo
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- CN215574260U CN215574260U CN202121149663.1U CN202121149663U CN215574260U CN 215574260 U CN215574260 U CN 215574260U CN 202121149663 U CN202121149663 U CN 202121149663U CN 215574260 U CN215574260 U CN 215574260U
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model relates to a test load device for realizing push-pull load by a single spring, which comprises a force transmission main shaft, a fixed support, a push plate, a pull plate, a shaft sleeve, a locking nut, a tightening nut, a load spring and two guide optical shafts, wherein the fixed support is composed of a bottom plate and a baffle plate, the force transmission main shaft penetrates through the baffle plate, the two guide optical shafts are arranged on the baffle plate and positioned on two sides of the force transmission main shaft, the front end of the force transmission main shaft is connected with a pull-press sensor, the pull-press sensor is connected with a flexible shaft joint connecting flange, the force transmission main shaft on the other side of the baffle plate sequentially penetrates through the push plate, the pull plate, the shaft sleeve, the locking nut and the tightening nut, the push plate and the pull plate are respectively connected with the force transmission main shaft through sliding bearings, the load spring is arranged between the push plate and the pull plate, and the push plate and the pull plate penetrate through the guide optical shafts and are connected with the push plate through linear bearings. The device can test the pulling and pushing performance of the flexible shaft assembly without dismounting parts again, so that the test efficiency is improved, and the test result is accurate.
Description
Technical Field
The utility model relates to a test device for providing load force during tests of product stroke efficiency, load efficiency, high and low temperature durability and the like, in particular to a push-pull load device for a flexible shaft assembly and a gear shifting control mechanism assembly.
Background
The flexible shaft assembly and the gear shifting control mechanism assembly can be applied to a plurality of mechanical industries, and can be used for controlling connection among various parts of automobiles. After the flexible shaft assembly and the gear shifting control mechanism assembly are manufactured, testing tests such as stroke efficiency, load efficiency, high and low temperature durability and the like need to be carried out, and during the testing, not only the state of pushing the flexible shaft assembly needs to be tested, but also the state of pulling the flexible shaft assembly needs to be tested. The push-pull performance needs to be tested with a certain load.
The spring that test load frock adopted at present used is single pressure spring, and the structure is optimization inadequately, when doing flexible axle assembly stroke efficiency, load efficiency, high low temperature durability test, the load frock can only receive pressure, and the direction of production is fixed (can only produce thrust or can only produce the pulling force), can not make the adjustment according to the push and the pulling state of flexible axle assembly, provides corresponding load. When doing flexible axle stroke efficiency, load efficiency, high low temperature durability test at every turn, after surveying the performance that the flexible axle assembly pushed away, need adjust the position that the pressure spring mounted position and fixed point were changed in the dismouting to original frock, just can survey the performance that the flexible axle assembly pulled, will cause following problem like this:
1. the test efficiency is lower, when the test flexible shaft is replaced and pushed or pulled, the load needs to be disassembled and assembled, the time consumption is long, and meanwhile, the workload of workers is increased.
2. The stroke efficiency testing precision is not high, and the testing precision is influenced because the original zero reference changes due to the fact that the tool needs to be disassembled and assembled.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: the load device for the test for realizing the push-pull load by the single spring can test the pull and push performance of the flexible shaft assembly without dismounting parts again, improves the test efficiency, has accurate test results and solves the defects in the prior art.
The technical scheme for solving the technical problems is as follows: a load device for a test for realizing push-pull load by a single spring comprises a flexible shaft joint connecting flange, a tension-compression sensor, a force transmission main shaft, a fixed support, a push plate, a pull plate, a shaft sleeve, a locking nut, a tightening nut, a load spring and two guide optical axes, wherein the fixed support is composed of a bottom plate and a baffle fixed on the bottom plate, the force transmission main shaft penetrates through the baffle, the two guide optical axes are arranged on the baffle and positioned at two sides of the force transmission main shaft, the front end of the force transmission main shaft at one side of the baffle is connected with the tension-compression sensor, the tension-compression sensor is connected with the flexible shaft joint connecting flange, the force transmission main shaft at the other side of the baffle sequentially penetrates through the push plate, the pull plate, the shaft sleeve, the locking nut and the tightening nut, a shaft shoulder for pushing the push plate is arranged on the force transmission main shaft, a thread is arranged at the tail part of the force transmission main shaft, and the locking nut and the tightening nut are in threaded connection with the force transmission main shaft, be provided with push pedal installation cover, arm-tie installation cover on the relative terminal surface of push pedal and arm-tie respectively, push pedal and arm-tie are respectively through installing slide bearing and biography power main shaft swing joint in push pedal installation cover and arm-tie installation cover, load spring installs between push pedal and arm-tie and the suit is in the push pedal installation cover, the arm-tie installation cover outside, push pedal and arm-tie both ends are equallyd divide and are do not passed two direction optical axes and through linear bearing and direction optical axis swing joint, the dead axle card is installed to the tail end of direction optical axis.
The fixed shaft clamp is of a circular ring structure with an opening, and the opening of the circular ring is fixed through a screw.
The front end of the force transmission main shaft is connected with a tension-compression sensor through a flange connection disc.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
1. the flexible shaft assembly push-pull testing device is reasonable in structural design, the load efficiency, the high-low temperature durability and the stroke efficiency of the flexible shaft assembly push-pull can be tested by adopting one load spring without disassembling and changing the tool and adjusting the position of a fixed point, the step that the mounting position and the position of the fixed point of the spring need to be changed when the stress direction of the pull-push of the original tool is changed is omitted, the testing time is saved, the testing efficiency is obviously improved, and meanwhile, the workload of workers is reduced.
2. Because the mounting position of the spring does not need to be changed, the push and pull test benchmarks are the same benchmark, the test result is accurate, and the problem that the test precision is influenced by the change of the zero point of the original tool is solved.
3. The utility model can be used as a load device of a durability test bed of a gear shift control mechanism sub-assembly, and can realize automatic detection by matching with a control system.
The technical features of a loading device for testing which realizes push-pull loading by a single spring according to the present invention will be further described with reference to the accompanying drawings and examples.
Drawings
FIG. 1: the utility model discloses a load device for a test, which realizes push-pull load by a single spring.
FIG. 2: the utility model relates to a front view of a test load device for realizing push-pull load by a single spring.
FIG. 3: fig. 2 is a sectional view a-a.
In the figure: 1-flexible shaft joint connecting flange, 2-tension and compression sensor, 3-flange connecting disc, 4-force transmission main shaft, 41-shaft shoulder, 5-fixed support, 51-bottom plate, 52-baffle, 53-reinforcing plate, 6-push plate, 61-push plate mounting sleeve, 7-linear bearing, 8-guide optical shaft, 9-load spring, 10-pull plate, 101-pull plate mounting sleeve, 11-fixed shaft clamp, 111-opening, 12-shaft sleeve, 13-tightening nut, 14-locking nut, 15-bearing cover and 16-sliding bearing.
Detailed Description
Example 1: a test load device for realizing push-pull load by a single spring is disclosed, as shown in figures 1-3, and comprises a flexible shaft joint connecting flange 1, a pull-press sensor 2, a force transmission main shaft 4, a fixed support 5, a push plate 6, a pull plate 10, a shaft sleeve 12, a locking nut 14, a tightening nut 13, a load spring 9 and two guide optical axes 8, wherein the fixed support 5 is composed of a bottom plate 51 and a baffle plate 52 fixed on the bottom plate, the force transmission main shaft 4 penetrates through the baffle plate, the two guide optical axes 8 are arranged on the baffle plate and positioned at two sides of the force transmission main shaft 4, the front end of the force transmission main shaft at one side of the baffle plate is connected with the pull-press sensor 2, the pull-press sensor is connected with the flexible shaft joint connecting flange 1, the force transmission main shaft at the other side of the baffle plate sequentially penetrates through the push plate 6, the pull plate 10, the shaft sleeve 12, the locking nut 14 and the tightening nut 13, the front part of the force transmission main shaft 4 is provided with a shaft shoulder 41 for pushing the push plate, the tail part of the force transmission main shaft is provided with threads, a locking nut 14 and a tightening nut 13 are in threaded connection with the force transmission main shaft, and the locking nut 14 is used for adjusting and fixing the initial pretightening force of the load spring to play a role in fixing; the tightening nut 13 has the function of preventing looseness and preventing the locking nut from loosening in the movement process. Be provided with push pedal installation cover 61, arm-tie installation cover 101 on the relative terminal surface of push pedal 6 and arm-tie 10 respectively, push pedal and arm-tie are respectively through installing slide bearing 16 and 4 sliding connection of biography power main shaft in push pedal installation cover 61 and arm-tie installation cover 101, load spring 9 installs between push pedal and arm-tie and suit in the push pedal installation cover, the arm-tie installation cover outside, push pedal and arm-tie both ends are equallyd divide and are do not passed two direction optical axes 8 and through linear bearing 7 and direction optical axis sliding connection, and linear bearing 7 installs respectively on push pedal or arm-tie through bearing cap 15, fixed axle card 11 is installed to the tail end of direction optical axis 8.
In this embodiment, the fixing shaft clamp 11 is a circular ring structure having an opening 111, and the opening of the circular ring is fixed by a screw. The fixed shaft clamp 11 can be adjusted in tightness, so that different load springs can be replaced conveniently, and the fixed shaft clamp is suitable for different products. As a change, other fixed shaft clamping structures which are convenient to disassemble and assemble can be adopted.
In this embodiment, the front end of the force transmission main shaft 4 is connected with the tension and compression sensor 2 through the flange connection plate 3. As an alternative, other suitable connectors may be used to connect the force transmission spindle to the tension and compression sensor.
In this embodiment, a reinforcing plate 53 is further connected between the bottom plate 51 and the baffle plate 52. As an alternative, the reinforcing plate may not be provided.
The working process is as follows:
before testing, the fixed shaft clamp, the guide optical shaft, the locking nut, the tightening nut, the fixed support and the push plate are fixed according to the length of the load spring, no gap is allowed between the fixed shaft clamp and the pull plate, and the force transmission main shaft moves smoothly without clamping stagnation. The load device of the utility model has 2 working states:
1. the flexible shaft assembly tests the working state of the push:
the flexible shaft assembly joint is connected with the flexible shaft joint connecting flange to push the tension and compression sensor so as to push the force transmission main shaft, and at the moment, the pulling plate is in a fixed state under the action of the fixed shaft clamp. The shaft shoulder of the force transmission main shaft pushes the push plate to generate displacement, and the compression load spring is compressed to generate the load required to be pushed.
2. The flexible shaft assembly tests the working state of pulling:
the flexible shaft assembly joint is connected with the flexible shaft joint connecting flange, the tension and compression sensor is pulled, the force transmission main shaft is pulled, and at the moment, the push plate is in a fixed state under the action of the fixed support baffle. The locking nut on the force transmission main shaft is stressed to enable the pulling plate to generate displacement, and the load spring is compressed to generate the load required to be pulled.
Claims (3)
1. A load device for a test, which realizes push-pull load by a single spring, is characterized in that: comprises a flexible shaft joint connecting flange (1), a tension and compression sensor (2), a force transmission main shaft (4), a fixed support (5), a push plate (6), a pull plate (10), a shaft sleeve (12), a locking nut (14), a tightening nut (13), a load spring (9) and two guide optical axes (8), wherein the fixed support (5) consists of a bottom plate (51) and a baffle (52) fixed on the bottom plate, the force transmission main shaft (4) penetrates through the baffle, the two guide optical axes (8) are arranged on the baffle and positioned at two sides of the force transmission main shaft, the force transmission main shaft front end at one side of the baffle is connected with the tension and compression sensor, the tension and compression sensor is connected with the flexible shaft joint connecting flange, the force transmission main shaft at the other side of the baffle sequentially penetrates through the push plate (6), the pull plate (10), the shaft sleeve, the locking nut and the tightening nut, a shaft shoulder used for pushing the push plate is arranged on the force transmission main shaft, pass power main shaft afterbody and be provided with the screw thread, lock nut, force tight nut and pass power main shaft threaded connection, be provided with push pedal installation cover (61), arm-tie installation cover (101) on the relative terminal surface of push pedal and arm-tie respectively, push pedal and arm-tie are respectively through installing slide bearing (16) in push pedal installation cover (61) and arm-tie installation cover (101) and pass power main shaft (4) swing joint, load spring installs between push pedal and arm-tie and the suit is in the push pedal installation cover, arm-tie installation cover outside, push pedal and arm-tie both ends are equallyd divide and are passed two direction optical axes respectively and through linear bearing (7) and direction optical axis swing joint, fixed axis card (11) are installed to the tail end of direction optical axis.
2. A loading device for a test to realize a push-pull load by a single spring according to claim 1, wherein: the fixed shaft clamp is of a circular ring structure with an opening (111), and the opening of the circular ring is fixed through a screw.
3. A test loading device for realizing push-pull loading by a single spring according to claim 1 or 2, wherein: the front end of the force transmission main shaft (4) is connected with the tension and compression sensor (2) through a flange connection plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121149663.1U CN215574260U (en) | 2021-05-26 | 2021-05-26 | Load device for test for realizing push-pull load by single spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121149663.1U CN215574260U (en) | 2021-05-26 | 2021-05-26 | Load device for test for realizing push-pull load by single spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215574260U true CN215574260U (en) | 2022-01-18 |
Family
ID=79863991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121149663.1U Active CN215574260U (en) | 2021-05-26 | 2021-05-26 | Load device for test for realizing push-pull load by single spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215574260U (en) |
-
2021
- 2021-05-26 CN CN202121149663.1U patent/CN215574260U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An experimental load device using a single spring to achieve push-pull load Granted publication date: 20220118 Pledgee: China Minsheng Bank Co.,Ltd. Liuzhou Branch Pledgor: LIUZHOU JINYUAN MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2024980004661 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220118 Pledgee: China Minsheng Bank Co.,Ltd. Liuzhou Branch Pledgor: LIUZHOU JINYUAN MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2024980004661 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An experimental load device using a single spring to achieve push-pull load Granted publication date: 20220118 Pledgee: China Minsheng Bank Co.,Ltd. Liuzhou Branch Pledgor: LIUZHOU JINYUAN MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2024980011336 |