CN210210305U - Fixing mechanism and test bench - Google Patents
Fixing mechanism and test bench Download PDFInfo
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- CN210210305U CN210210305U CN201921024565.8U CN201921024565U CN210210305U CN 210210305 U CN210210305 U CN 210210305U CN 201921024565 U CN201921024565 U CN 201921024565U CN 210210305 U CN210210305 U CN 210210305U
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- sample piece
- clamping
- mounting hole
- lifting block
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Abstract
The utility model relates to a test bench technical field discloses a fixed establishment and test bench. Wherein fixed establishment is including the base that is provided with the mounting hole, can follow the lift piece of the axis direction removal of mounting hole and the clamp piece with base sliding connection. The sample piece is placed on the lifting block, and the lifting block is configured to be capable of driving the sample piece into the mounting hole; the clamping block is provided with a working position and a dismounting position, and the clamping block positioned at the working position can clamp the sample piece with the lifting block. When clamping is needed: placing the sample piece on the lifting block, sliding the clamping block to a working position from a dismounting position, driving the sample piece to move along the axial direction of the mounting hole by the lifting block, and clamping the sample piece together with the clamping block; when needing to dismantle: the lifting block drives the sample piece to move along the axis direction of the mounting hole, the sample piece between the loosening and clamping blocks is loosened, the clamping block slides to the dismounting position from the working position, the sample piece is taken down, and dismounting is achieved. The test bed comprises the fixing mechanism. The utility model discloses need not any assembly and disassembly tools, improve work efficiency, reduce intensity of labour.
Description
Technical Field
The utility model relates to a test bench technical field especially relates to a fixed establishment and test bench.
Background
In the process of mass production in a factory or testing a large number of samples, for some precision-machined products and samples, independent tests need to be performed on individual parts before delivery or systematic testing. For example, during the production and development of fuel systems, many related products such as fuel pumps, fuel injectors and the like need to be subjected to separate functional tests before leaving the factory.
In the process of testing the sample, the sample cannot be fixed. At present, the sample piece is usually screwed by manpower. And to factory's mass production product, there is huge sample spare of quantity to be experimental, and in the testing process, operating personnel need fasten the bolt repeatedly and dismantle to it is experimental to realize changing the sample spare. The conventional fixing mode undoubtedly increases the workload of operators and also greatly influences the efficiency of the test.
SUMMERY OF THE UTILITY MODEL
Based on the above, an object of the utility model is to provide a fixing mechanism can realize pressing from both sides tight fixed to the appearance piece, and is reliable and stable, and the dismouting is simple, convenient.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a securing mechanism, comprising:
the base is provided with a mounting hole;
the lifting block can move along the axis direction of the mounting hole, a sample piece is placed on the lifting block, and the lifting block is configured to drive the sample piece into the mounting hole;
the clamping block is connected with the base in a sliding mode and provided with a working position and a dismounting position, and the clamping block located at the working position can be clamped with the lifting block to clamp the sample piece.
As a preferable mode of the fixing mechanism, the clamping block includes a clamping portion and a sliding portion, the clamping portion and the lifting block clamp the sample, and the sliding portion is slidably connected to the base.
As a preferable mode of the fixing mechanism, the lifting block is provided with a lower contact surface, the clamping portion is provided with an upper contact surface, and the clamped sample piece is in contact with the upper contact surface and the lower contact surface at the same time.
As a preferable aspect of the fixing mechanism, a pressure sensor is provided on the upper contact surface or the lower contact surface, and the pressure sensor is configured to detect a pressure between the upper contact surface or the lower contact surface and the sample piece.
As a preferable scheme of the fixing mechanism, one of the sliding part and the base is provided with a groove, and the other is provided with a projection matched with the groove, and the projection is arranged in the groove to realize sliding connection.
As a preferable scheme of the fixing mechanism, the sliding portion is provided with the projection, and the base is provided with the groove.
As a preferable mode of the fixing mechanism, the cross section of the groove is provided in a T shape.
Preferably, as a fixing mechanism, the sliding direction of the clamping block is perpendicular to the axial direction of the mounting hole.
As a preferred scheme of the fixing mechanism, the clamping blocks are arranged in two blocks and symmetrically distributed on two sides of the mounting hole.
A test bench comprises the fixing mechanism in any scheme.
The utility model has the advantages that: when clamping is needed: the clamping block is arranged at the dismounting position, and the sample piece is placed on the lifting block; sliding the clamping block to a working position; the lifting block drives the sample piece to move along the axis direction of the mounting hole, and the sample piece and the clamping block are clamped together. When needing to dismantle: the clamping block is in a working position, the lifting block drives the sample piece to move along the axis direction of the mounting hole, and the sample piece between the lifting block and the clamping block is loosened; sliding the clamping block to a disassembly and assembly position; and taking down the sample piece to realize disassembly. This fixed establishment need not any assembly and disassembly tools, greatly improves work efficiency, reduces operating personnel's intensity of labour.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of a securing mechanism provided in accordance with an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a front view of fig. 2.
In the figure:
1-a base; 11-mounting holes; 12-a groove;
2-a lifting block; 21-lower abutment surface;
3-a clamping block; 31-a clamping portion; 311-upper abutment surface; 32-a sliding part; 321-a bump;
4-sample.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the present embodiment provides a fixing mechanism for a test stand, which can achieve rapid clamping of a sample 4. The fixing mechanism comprises a base 1, a lifting block 2 and a clamping block 3; the base 1 is provided with a mounting hole 11; the lifting block 2 can move along the axial direction of the mounting hole 11, the sample piece 4 is placed on the lifting block 2, and the lifting block 2 can drive the sample piece 4 to the mounting hole 11; the clamping block 3 is connected with the base 1 in a sliding mode and is provided with a working position and a dismounting position, and the clamping block 3 located at the working position can clamp the sample piece 4 together with the lifting block 2.
When clamping is needed: the clamping block 3 is arranged at a dismounting position, and the sample piece 4 is placed on the lifting block 2; sliding the clamping block 3 to a working position; the lifting block 2 drives the sample 4 to move along the axial direction of the mounting hole 11, and the sample 4 is clamped together with the clamping block 3. When needing to dismantle: the clamping block 3 is in a working position, the lifting block 2 drives the sample piece 4 to move along the axis direction of the mounting hole 11, and the sample piece 4 between the lifting block and the clamping block 3 is loosened; sliding the clamping block 3 to a disassembly and assembly position; and taking down the sample piece 4 to realize disassembly. This kind of fixed establishment need not any assembly and disassembly tools, greatly improves work efficiency, reduces operating personnel's intensity of labour.
It should be noted that the dismounting position of the clamping block 3 is arranged at a position far away from the mounting hole 11, and the clamping block 3 at the dismounting position does not interfere with the lifting of the lifting block 2 and the taking and placing of the sample 4; the working position of the clamping block 3 is arranged above the mounting hole 11 and is aligned with the position to be clamped of the sample 4, so that the sample 4 can be just positioned between the lifting block 2 and the clamping block 3 positioned at the working position, and when the clamping is convenient, the lower abutting surface 21 of the lifting block 2 and the upper abutting surface 311 of the clamping block 3 can be used for clamping and fixing the sample 4.
One of the clamping block 3 and the base 1 is provided with a groove 12, the other one is provided with a convex block 321 matched with the groove 12, and the convex block 321 can be arranged in the groove 12 to realize sliding connection. The sliding connection is realized through the matching of the groove 12 and the convex block 321, the structure is simple, and the operation is convenient. Specifically, the extending direction of the groove 12 is perpendicular to the axial direction of the mounting hole 11, i.e. the sliding direction of the clamping block 3 is perpendicular to the axial direction of the mounting hole 11; the cooperation elevator 2 drives appearance 4 and removes along the axis direction of mounting hole 11, presss from both sides tight piece 3 and elevator 2 and realizes pressing from both sides tight fixedly in the both sides of appearance 4 on the axis direction along mounting hole 11 together.
In this embodiment, the clamping block 3 is provided with a protrusion 321, and the base 1 is provided with a groove 12. Further, the projection 321 is a T-shaped projection, correspondingly, the groove 12 is an inverted T-shaped groove, the T-shaped projection is arranged in the inverted T-shaped groove to realize sliding connection, the projection 321 can be effectively prevented from sliding out along the vertical direction of the sliding direction, and the processing is simple. In other embodiments, the protrusion 321 may also be disposed in a dovetail shape, which is not limited herein.
The clamping block 3 comprises a clamping part 31 and a sliding part 32, the sliding part 32 is provided with a convex block 321, the sliding part 32 is connected with the base 1 in a sliding manner, the clamping block 3 is further connected with the base 1 in a sliding manner, and only the sliding part 32 is provided with the convex block 321, so that the processing efficiency is improved; the clamping portion 31 slides on the base 1 along with the sliding portion 32, and is used for clamping the sample 4 together with the elevator block 2. Preferably, the two clamping blocks 3 are symmetrically arranged on two sides of the mounting hole 11, and the two clamping blocks 3 can clamp two sides of the sample piece 4, so that the sample piece 4 is more stably clamped and the stress is more uniform.
Further, the elevator block 2 is provided with a lower contact surface 21, the clamp portion 31 is provided with an upper contact surface 311, and the clamped sample 4 is simultaneously brought into contact with the upper contact surface 311 and the lower contact surface 21. The upper abutting surface 311 and the lower abutting surface 21 are in surface contact with the sample piece 4, so that stress on the sample piece 4 is more uniform, and damage to the sample piece 4 in the clamping and fixing process is reduced.
In this embodiment, the lifting block 2 is driven by hydraulic pressure, and the hydraulic drive has high reliability and can provide a large enough driving force to drive the lifting block 2 and the sample piece 4 on the lifting block 2 to move along the axis of the mounting hole 11.
Preferably, the upper contact surface 311 or the lower contact surface 21 is provided with a pressure sensor capable of detecting a pressure between the upper contact surface 311 or the lower contact surface 21 and the sample 4. When the pressure sensor is arranged on the upper abutting surface 311, the pressure sensor records the pressure of the sample piece 4 and the upper abutting surface 311 after the lifting block 2 is lifted; when a pressure sensor is provided on the lower abutment surface 21, the pressure sensor registers the sum of the clamping force and the weight of the sample piece 4 itself.
It should be noted that, when the pressure sensors are arranged on the upper abutting surface 311 and the lower abutting surface 21, the preset pressures required to be set are different; the preset pressure required to be set is different for different parts and different test occasions, and a person skilled in the art can set the preset pressure according to the actual situation without limitation.
The mounting hole 11 of the base 1 is matched with the shape of the lifting block 2, so that the lifting block 2 can enter the mounting hole 11 of the base 1 conveniently. Meanwhile, the shapes of the lifting block 2 and the sample piece 4 are also matched, so that the sample piece 4 can partially enter the mounting hole 11, and the lifting block 2 and the clamping block 3 clamp and fix the sample piece 4 together. Preferably, the lifting block 2 is detachably connected with the mounting hole 11 of the base 1, and different lifting blocks 2 can be replaced aiming at different parts, so that different parts and different occasions can be better fixed, and the universality of the fixing mechanism is effectively improved.
The embodiment also provides a test bed, wherein a fixing mechanism with the characteristics is arranged on the test bed and used for clamping and fixing the sample piece 4, and then the test bed can perform other tests on the clamped and fixed sample piece 4. The working process of the test bed with the fixing mechanism is as follows: in an initial state, the lifting block 2 is at a low position, and the clamping block 3 is at a disassembly and assembly position; an operator places the sample 4 on the lower abutting surface 21 of the lifting block 2 through the mounting hole 11, and slides the two clamping blocks 3 respectively to enable the sample to be located at a working position; hydraulically driving the lifting block 2 to drive the sample piece 4 to gradually approach the clamping part 31 of the clamping block 3 until a preset value set by a pressure sensor on the upper abutting surface 311 or the lower abutting surface 21 is reached, and at the moment, the sample piece 4 is respectively abutted against the upper abutting surface 311 and the lower abutting surface 21; starting to test the clamped and fixed sample piece 4; after the test is finished, the lifting block 2 is hydraulically driven to drive the sample piece 4 to gradually get away from the clamping part 31 of the clamping block 3, so that the lifting block 2 is positioned at the low position again; the two clamping blocks 3 are respectively slid to be in the dismounting position again; and taking down the sample piece 4 to finish one-time clamping, fixing and testing.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A securing mechanism, comprising:
the base (1) is provided with a mounting hole (11);
the lifting block (2) can move along the axial direction of the mounting hole (11), a sample piece (4) is placed on the lifting block (2), and the lifting block (2) is configured to be capable of driving the sample piece (4) into the mounting hole (11);
press from both sides tight piece (3), with base (1) sliding connection has work position and dismouting position, is located the work position press from both sides tight piece (3) can with elevator (2) press from both sides tightly sample (4).
2. The fixing mechanism according to claim 1, wherein the clamping block (3) comprises a clamping portion (31) and a sliding portion (32), the clamping portion (31) and the lifting block (2) clamp the sample (4), and the sliding portion (32) is slidably connected with the base (1).
3. The fixing mechanism according to claim 2, wherein the lifting block (2) is provided with a lower abutment surface (21), the clamping portion (31) is provided with an upper abutment surface (311), and the clamped sample (4) abuts against the upper abutment surface (311) and the lower abutment surface (21) simultaneously.
4. The fixing mechanism according to claim 3, wherein a pressure sensor is provided on the upper abutment surface (311) or the lower abutment surface (21), the pressure sensor being configured to detect a pressure between the upper abutment surface (311) or the lower abutment surface (21) and the sample piece (4).
5. The fixing mechanism according to claim 2, wherein one of the sliding part (32) and the base (1) is provided with a groove (12), and the other one is provided with a projection (321) matched with the groove (12), and the projection (321) is placed in the groove (12) to realize sliding connection.
6. A fixing mechanism according to claim 5, characterized in that said sliding portion (32) is provided with said projection (321) and said base (1) is provided with said recess (12).
7. A fixture according to claim 5, characterised in that the cross-section of the groove (12) is arranged to be T-shaped.
8. A fixture according to any one of claims 1-7, characterised in that the sliding direction of the clamping block (3) is perpendicular to the axial direction of the mounting hole (11).
9. A fixing mechanism according to any one of claims 1-7, characterized in that the clamping blocks (3) are arranged in two and symmetrically distributed on both sides of the mounting hole (11).
10. A test rig comprising a fixture according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921024565.8U CN210210305U (en) | 2019-07-03 | 2019-07-03 | Fixing mechanism and test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921024565.8U CN210210305U (en) | 2019-07-03 | 2019-07-03 | Fixing mechanism and test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210210305U true CN210210305U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921024565.8U Active CN210210305U (en) | 2019-07-03 | 2019-07-03 | Fixing mechanism and test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210210305U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216632A (en) * | 2019-07-03 | 2019-09-10 | 中船动力研究院有限公司 | A kind of fixed mechanism and testing stand |
-
2019
- 2019-07-03 CN CN201921024565.8U patent/CN210210305U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216632A (en) * | 2019-07-03 | 2019-09-10 | 中船动力研究院有限公司 | A kind of fixed mechanism and testing stand |
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