CN214149649U - Device for testing pre-tightening force of constant-force core-penetrating clamp - Google Patents
Device for testing pre-tightening force of constant-force core-penetrating clamp Download PDFInfo
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- CN214149649U CN214149649U CN202022829691.XU CN202022829691U CN214149649U CN 214149649 U CN214149649 U CN 214149649U CN 202022829691 U CN202022829691 U CN 202022829691U CN 214149649 U CN214149649 U CN 214149649U
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Abstract
The utility model discloses a device for testing the pretightening force of a constant force feed-through clamp, which comprises an adjustable base unit, a moment loading unit and a pretightening force unit; the moment loading unit comprises a loading motor, a moment sensor and a screwing head, and the moment sensor and the screwing head are sequentially arranged at the driving end of the loading motor from inside to outside; the pre-tightening force unit is correspondingly provided with a test cavity, one side of the test cavity close to the wrenching head is sequentially provided with a constant force piercing clamp, an upper sandwich plate and a lower sandwich plate, and a pre-tightening force sensor is arranged between the upper sandwich plate and the lower sandwich plate; the fixed force piercing clamp is provided with a quincuncial groove corresponding to the wrench head. The utility model discloses can test respectively through torque sensor, pretightning force sensor and obtain the numerical value of moment, pretightning force, and then can solve the problem among the prior art through obtaining the relation that both correspond, realize the pretightning force size under the different installation torque condition of rapid survey, data measurement is accurate, has better practicality.
Description
Technical Field
The utility model belongs to the technical field of mechanics measurement, concretely relates to decide power and wear to press from both sides pretightning force testing arrangement.
Background
At present, a piercing clip is generally used as a temporary connecting piece in the aviation industry, temporary preassembly is carried out on an aircraft structure (skin and framework, framework and the like), and finally formal fasteners are used for connecting and assembling. Temporary pre-assembly is required using a temporary fastener piercing clip inserted into the through hole before final assembly using the formal fastener. Therefore, the installation effect of the temporary fastener piercing clip is very important to the assembly quality of the airplane, and the connection service life of the airplane structure is directly influenced.
The clamping force of normal installation of the formal fastener has a certain range, and in order to ensure the clamping force effect of installation of the formal fastener, the pre-installation pre-tightening force of the temporary fastener must reach a certain range. In order to control the pre-installation pre-tightening force of the temporary fastening piece, the installation torque of the temporary fastening piece needs to be controlled, and the pre-tightening force of the temporary fastening piece under different installation torque conditions needs to be determined.
At present, the installation of the temporary fastening piece basically does not adopt fixed force installation, and no corresponding equipment is used for determining the pre-tightening force of the temporary fastening piece under different installation torque conditions. The utility model aims at providing a realize confirming equipment that interim fastener installation moment and pretightning force are concerned.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a decide power and wear to press from both sides pretightning force testing arrangement, aim at solving above-mentioned problem, realize the pretightning force size under the different installation torque condition of rapid survey, data measurement is accurate, has better practicality.
The utility model discloses mainly realize through following technical scheme:
a device for testing the pre-tightening force of a constant-force feed-through clamp comprises an adjustable base unit, and a torque loading unit and a pre-tightening force unit which are sequentially arranged on the adjustable base unit; the moment loading unit comprises a loading motor, a moment sensor and a screwing head, and the moment sensor and the screwing head are sequentially arranged at the driving end of the loading motor from inside to outside; the pre-tightening force unit is correspondingly provided with a test cavity, one side of the test cavity close to the wrenching head is sequentially provided with a constant force piercing clamp, an upper sandwich plate and a lower sandwich plate, and a pre-tightening force sensor is arranged between the upper sandwich plate and the lower sandwich plate; the fixed force piercing clamp is provided with a quincuncial groove corresponding to the wrench head.
In order to realize better the utility model discloses, furtherly, the moment loading unit still includes loading motor riser, shaft coupling, the fixed loading motor riser that is provided with on the adjustable base unit, the loading motor is installed on the loading motor riser, the drive end of loading motor passes through the shaft coupling and pulls the twisting head and be connected, the shaft coupling is provided with torque sensor with pulling between the twisting head.
In order to better realize the utility model discloses, furtherly, adjustable base unit includes bottom plate, organic glass cover, the one end of bottom plate is provided with moment loading unit, and the other end is provided with the organic glass cover.
In order to realize better the utility model discloses, furtherly, the pretightning force unit still includes that the sandwich panel pulls twists seat, the fixed force center-piercing clamp decides the board, the sandwich panel is pulled and is twisted the seat and install on adjustable base unit, and the sandwich panel pulls and twist and seted up the test chamber on the seat, one side that the test chamber is close to moment loading unit is provided with the fixed force center-piercing clamp decides the board, be provided with the open slot on the fixed force center-piercing clamp decides the board, the fixed force center-piercing clamp is in the open slot of fixed force center-piercing clamp decides the board.
In order to better realize the utility model discloses, furtherly, pretightning force unit slidable mounting just fixes through stop device on adjustable base unit.
In order to realize better the utility model discloses, furtherly, the bottom both sides of pretightning force unit are provided with rail block respectively, it is provided with the guide rail to correspond on the adjustable base unit.
In order to realize better the utility model discloses, furtherly, stop device is stop screw, the guide rail is provided with the spacing screw of a plurality of along length direction.
In the moment loading unit, a loading motor is fixed on a loading motor vertical plate and then is connected with a moment sensor through a coupler, one end of a screwing head is fixed on the moment sensor, and the screwing head is inserted into a plum blossom groove of a constant-force piercing clamp. The pretightning force unit passes through the guide rail to be fixed on the bottom plate, and the organic glass cover plays the effect of protection test device. The guide rail sliding block is fixed on the guide rail, the sandwich plate wrenching seat is fixed on the guide rail sliding block, the fixed force piercing clamp fixing plate is fixed on the sandwich plate wrenching seat through two screws, the fixed force piercing clamp is clamped in an open slot of the fixed force piercing clamp fixing plate, and a pre-tightening force sensor is installed between the upper sandwich plate and the lower sandwich plate.
The utility model discloses in the use, the step is as follows:
a) the loading motor drives the wrenching head to rotate, and the magnitude of the mounting torque is detected through the torque sensor.
b) The fixed force piercing clamp is clamped in an opening groove of a fixed force piercing clamp fixing plate, and the outer hexagon of the fixed force piercing clamp is prevented from rotating.
c) The wrenching head rotates to drive the fixed-force piercing clamp to move, so that the upper sandwich plate and the lower sandwich plate are tightened, and the pre-tightening force sensor detects a pre-tightening force value.
d) According to the values displayed by the torque sensor and the pretightening force sensor, the pretightening force under different mounting torque conditions can be known.
The utility model has the advantages that:
the utility model discloses can test respectively through torque sensor, pretightning force sensor and obtain the numerical value of moment, pretightning force, and then can solve the problem among the prior art through obtaining the relation that both correspond, realize the pretightning force size under the different installation torque condition of rapid survey, data measurement is accurate, has better practicality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a torque loading unit;
FIG. 3 is a schematic structural view of an adjustable base unit;
FIG. 4 is a schematic diagram of a pretensioning unit.
Wherein: 1-a torque loading unit, 2-an adjustable base unit, 3-a pre-tightening force unit, 4-a loading motor, 5-a loading motor vertical plate, 6-a coupler, 7-a torque sensor, 8-a pulling and twisting head, 9-a bottom plate, 10-a guide rail, 11-an organic glass cover, 12-a sandwich plate pulling and twisting seat, 13-a constant-force cross-core clamp fixing plate, 14-a constant-force cross-core clamp, 15-an upper sandwich plate, 16-a lower sandwich plate, 17-a pre-tightening force sensor and 18-a guide rail sliding block.
Detailed Description
Example 1:
a device for testing the pre-tightening force of a constant-force feed-through clamp is shown in figure 1 and comprises an adjustable base unit 2, and a moment loading unit 1 and a pre-tightening force unit 3 which are sequentially arranged on the adjustable base unit 2; the moment loading unit 1 comprises a loading motor 4, a moment sensor 7 and a screwing head 8, wherein the moment sensor 7 and the screwing head 8 are sequentially arranged at the driving end of the loading motor 4 from inside to outside; a test cavity is correspondingly arranged on the pre-tightening force unit 3, a constant force piercing clamp 14, an upper sandwich plate 15 and a lower sandwich plate 16 are sequentially arranged on one side of the test cavity close to the wrenching head 8, and a pre-tightening force sensor 17 is arranged between the upper sandwich plate 15 and the lower sandwich plate 16; the force-fixing piercing clamp 14 is provided with a quincuncial groove corresponding to the wrenching head 8.
The utility model discloses in the use, the step is as follows:
1) the loading motor 4 drives the wrenching head 8 to rotate, and the magnitude of the mounting torque is detected through the torque sensor 7.
2) The force-fixing piercing clip 14 is clamped in an opening groove of the force-fixing piercing clip fixing plate 13, and the outer hexagon of the force-fixing piercing clip 14 cannot rotate.
3) The wrenching head 8 rotates to drive the constant force piercing clamp 14 to move, so that the upper sandwich plate 15 and the lower sandwich plate 16 are tightened, and the pre-tightening force sensor 17 detects a pre-tightening force value.
4) According to the values displayed by the torque sensor 7 and the pretightening force sensor 17, the pretightening force under different installation torque conditions can be known.
The utility model discloses can test respectively through torque sensor 7, pretightning force sensor 17 and obtain the numerical value of moment, pretightning force, and then can solve the problem among the prior art through the relation that obtains both correspondences, realize the pretightning force size under the different installation torque conditions of quick measurement, data measurement is accurate, has better practicality.
Example 2:
the embodiment is optimized on the basis of embodiment 1, as shown in fig. 2 and fig. 3, the torque loading unit 1 further includes a loading motor vertical plate and a coupler 6, the loading motor vertical plate is fixedly disposed on the adjustable base unit 2, the loading motor 4 is mounted on the loading motor vertical plate, a driving end of the loading motor 4 is connected with a screwing head 8 through the coupler 6, and a torque sensor 7 is disposed between the coupler 6 and the screwing head 8.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the present embodiment is optimized on the basis of embodiment 1 or 2, and as shown in fig. 3 and 4, the adjustable base unit 2 includes a bottom plate 9 and an organic glass cover 11, one end of the bottom plate 9 is provided with the moment loading unit 1, and the other end is provided with the organic glass cover 11.
Furthermore, the pretightening force unit 3 is slidably mounted on the adjustable base unit 2 and is fixed by a limiting device.
Furthermore, guide rail sliding blocks 18 are respectively arranged on two sides of the bottom of the pretightening force unit 3, and guide rails 10 are correspondingly arranged on the adjustable base unit 2.
Further, the limiting device is a limiting screw, and the guide rail 10 is provided with a plurality of limiting screw holes along the length direction.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
the embodiment is optimized on the basis of embodiment 1 or 3, and as shown in fig. 4, the pre-tightening force unit 3 further includes a sandwich plate wrenching seat 12 and a constant force piercing clamp fixing plate 13, the sandwich plate wrenching seat 12 is installed on the adjustable base unit 2, a test cavity is formed in the sandwich plate wrenching seat 12, the constant force piercing clamp fixing plate 13 is arranged on one side of the test cavity, which is close to the torque loading unit 1, the constant force piercing clamp fixing plate 13 is provided with an open slot, and the constant force piercing clamp 14 is clamped in the open slot of the constant force piercing clamp fixing plate 13.
The rest of this embodiment is the same as embodiment 1 or 3, and therefore, the description thereof is omitted.
Example 5:
a device for testing the pre-tightening force of a constant-force feed-through clamp is shown in figures 1-4 and comprises an adjustable base unit 2, and a moment loading unit 1 and a pre-tightening force unit 3 which are sequentially arranged on the adjustable base unit 2; the pre-tightening force unit 3 is slidably mounted on the adjustable base unit 2 and is fixed through a limiting device.
The moment loading unit 1 comprises a loading motor 4, a loading motor vertical plate, a coupler 6, a moment sensor 7 and a wrenching head 8; the adjustable base unit 2 comprises a bottom plate 9, a guide rail 10 and an organic glass cover 11; the pre-tightening force unit 3 comprises a sandwich plate wrenching seat 12, a fixed force piercing clamp fixing plate 13, a fixed force piercing clamp 14, an upper sandwich plate 15, a lower sandwich plate 16, a pre-tightening force sensor 17 and a guide rail slider 18.
In the moment loading unit 1, a loading motor 4 is fixed on a loading motor vertical plate and then is connected with a moment sensor 7 through a coupler 6, one end of a screwing head 8 is fixed on the moment sensor 7, and the screwing head 8 is inserted into a plum blossom groove of a fixed-force piercing clamp 14. The pre-tightening force unit 3 is fixed on the bottom plate 9 through a guide rail 10, and the organic glass cover 11 plays a role in protecting the test device. The guide rail sliding block 18 is fixed on the guide rail 10, the sandwich plate screwing seat 12 is fixed on the guide rail sliding block 18, the fixed force piercing clamp fixing plate 13 is fixed on the sandwich plate screwing seat 12 through two screws, the fixed force piercing clamp 14 is clamped in an open slot of the fixed force piercing clamp fixing plate 13, and a pre-tightening force sensor 17 is installed between the upper sandwich plate 15 and the lower sandwich plate 16.
The utility model discloses in the use, the step is as follows:
1) the loading motor 4 drives the wrenching head 8 to rotate, and the magnitude of the mounting torque is detected through the torque sensor 7.
2) The force-fixing piercing clip 14 is clamped in an opening groove of the force-fixing piercing clip fixing plate 13, and the outer hexagon of the force-fixing piercing clip 14 cannot rotate.
3) The wrenching head 8 rotates to drive the constant force piercing clamp 14 to move, so that the upper sandwich plate 15 and the lower sandwich plate 16 are tightened, and the pre-tightening force sensor 17 detects a pre-tightening force value.
4) According to the values displayed by the torque sensor 7 and the pretightening force sensor 17, the pretightening force under different installation torque conditions can be known.
The utility model discloses can test respectively through torque sensor 7, pretightning force sensor 17 and obtain the numerical value of moment, pretightning force, and then can solve the problem among the prior art through the relation that obtains both correspondences, realize the pretightning force size under the different installation torque conditions of quick measurement, data measurement is accurate, has better practicality.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (7)
1. A device for testing the pre-tightening force of a constant-force feed-through clamp is characterized by comprising an adjustable base unit (2), and a moment loading unit (1) and a pre-tightening force unit (3) which are sequentially arranged on the adjustable base unit (2); the moment loading unit (1) comprises a loading motor (4), a moment sensor (7) and a screwing head (8), wherein the moment sensor (7) and the screwing head (8) are sequentially arranged at the driving end of the loading motor (4) from inside to outside; a testing cavity is correspondingly arranged on the pre-tightening force unit (3), a force-fixing piercing clamp (14), an upper sandwich plate (15) and a lower sandwich plate (16) are sequentially arranged on one side of the testing cavity close to the wrenching head (8), and a pre-tightening force sensor (17) is arranged between the upper sandwich plate (15) and the lower sandwich plate (16); the force-fixing piercing clamp (14) is provided with a quincuncial groove corresponding to the wrenching head (8).
2. The device for testing the pre-tightening force of the constant-force piercing clamp according to claim 1, wherein the moment loading unit (1) further comprises a loading motor vertical plate (5) and a coupler (6), the loading motor vertical plate (5) is fixedly arranged on the adjustable base unit (2), the loading motor (4) is installed on the loading motor vertical plate (5), a driving end of the loading motor (4) is connected with a wrenching head (8) through the coupler (6), and a moment sensor (7) is arranged between the coupler (6) and the wrenching head (8).
3. The device for testing the pre-tightening force of the constant-force feed-through clamp according to claim 1, wherein the adjustable base unit (2) comprises a bottom plate (9) and an organic glass cover (11), one end of the bottom plate (9) is provided with the moment loading unit (1), and the other end of the bottom plate is provided with the organic glass cover (11).
4. The device for testing the pre-tightening force of the constant-force core-penetrating clamp according to claim 1, wherein the pre-tightening force unit (3) further comprises a sandwich plate screwing seat (12) and a constant-force core-penetrating clamp fixing plate (13), the sandwich plate screwing seat (12) is installed on the adjustable base unit (2), a testing cavity is formed in the sandwich plate screwing seat (12), the constant-force core-penetrating clamp fixing plate (13) is arranged on one side, close to the torque loading unit (1), of the testing cavity, an open slot is formed in the constant-force core-penetrating clamp fixing plate (13), and the constant-force core-penetrating clamp (14) is clamped in the open slot of the constant-force core-penetrating clamp fixing plate (13).
5. A device for testing the pretension of a constant-force piercing clamp according to any one of claims 1-4, wherein the pretension unit (3) is slidably mounted on the adjustable base unit (2) and is fixed by a limiting device.
6. The device for testing the pre-tightening force of the constant-force feed-through clamp according to claim 5, wherein guide rail sliding blocks (18) are respectively arranged on two sides of the bottom of the pre-tightening force unit (3), and guide rails (10) are correspondingly arranged on the adjustable base unit (2).
7. The device for testing the pre-tightening force of the constant-force feed-through clamp according to claim 6, wherein the limiting device is a limiting screw, and the guide rail (10) is provided with a plurality of limiting screw holes along the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022829691.XU CN214149649U (en) | 2020-11-30 | 2020-11-30 | Device for testing pre-tightening force of constant-force core-penetrating clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022829691.XU CN214149649U (en) | 2020-11-30 | 2020-11-30 | Device for testing pre-tightening force of constant-force core-penetrating clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214149649U true CN214149649U (en) | 2021-09-07 |
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ID=77567964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022829691.XU Active CN214149649U (en) | 2020-11-30 | 2020-11-30 | Device for testing pre-tightening force of constant-force core-penetrating clamp |
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| Country | Link |
|---|---|
| CN (1) | CN214149649U (en) |
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2020
- 2020-11-30 CN CN202022829691.XU patent/CN214149649U/en active Active
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