CN221302602U - Large-torque electric gun calibration fixture - Google Patents

Large-torque electric gun calibration fixture Download PDF

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Publication number
CN221302602U
CN221302602U CN202322934840.2U CN202322934840U CN221302602U CN 221302602 U CN221302602 U CN 221302602U CN 202322934840 U CN202322934840 U CN 202322934840U CN 221302602 U CN221302602 U CN 221302602U
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China
Prior art keywords
base
electric gun
torque electric
torque
calibration
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CN202322934840.2U
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Chinese (zh)
Inventor
何燕侠
严杰
郝秋艳
岳文浩
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Xian Fast Auto Drive Co Ltd
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Xian Fast Auto Drive Co Ltd
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Priority to CN202322934840.2U priority Critical patent/CN221302602U/en
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Abstract

The utility model relates to a high-torque electric gun calibration fixture, which solves the problems of low calibration efficiency and inaccurate calibration data in the prior art. The dynamic torque tester comprises a flange plate, a calibration sensor connected with the dynamic torque tester, a sleeve and a tool clamp main body; the tool clamp main body comprises an annular base and two support columns with the same shape and structure, wherein the support columns are symmetrically arranged on the upper surface of the base; the upper end of the calibration sensor is connected with a conversion head of the high-torque electric gun; the lower end of the calibration sensor is connected with the upper end of the sleeve; the sleeve penetrates through the base and the flange plate and then is sleeved with a nut on the tested workpiece; the upper ends of the two struts are respectively connected with a workbench of the high-torque electric gun; the lower surface of the base is connected with the flange plate; the lower surface of the flange plate is connected with the shell of the tested workpiece.

Description

Large-torque electric gun calibration fixture
Technical Field
The utility model relates to the field of calibration tool fixtures, in particular to a high-torque electric gun calibration tool fixture.
Background
The transmission bearing needs to be subjected to torque calibration before actual use so as to ensure that the target torque of the transmission bearing in use meets the process requirement; however, the high-torque electric gun cannot be directly calibrated, and the calibration must be carried out by means of a fixture. At present, more electric guns with different torque values are needed, and when each large-torque electric gun is calibrated, an independent tool clamp is needed to be used for torque calibration; and the torque required by the parts calibrated by the large-torque electric gun is larger (more than 800N), the torque is detected by 3-4 personnel resultant force, the calibration efficiency is low, and the calibration data is inaccurate.
Disclosure of utility model
The utility model aims to provide a high-torque electric gun calibration fixture, which solves the technical problems of low calibration efficiency and inaccurate calibration data in the prior art.
The technical scheme of the utility model is as follows:
The utility model provides a frock clamp is markd to big moment of torsion electricity rifle, includes the ring flange, with the mark sensor that dynamic torque tester links to each other, its special character lies in: the tool clamp also comprises a sleeve and a tool clamp main body; the tool clamp main body comprises an annular base and two struts with the same shape and structure, wherein the struts are symmetrically arranged on the upper surface of the base; the upper end of the calibration sensor is connected with a conversion head of the high-torque electric gun; the lower end of the calibration sensor is connected with the upper end of the sleeve; the sleeve penetrates through the base and the flange plate and then is sleeved with a nut on the tested workpiece; the upper ends of the two struts are respectively connected with a workbench of the high-torque electric gun; the lower surface of the base is connected with the flange plate; the lower surface of the flange plate is connected with the shell of the tested workpiece.
Further, two symmetrical positioning holes are formed in the base; the two positioning holes and the two struts are staggered; the base is connected with the flange plate through an anti-rotation pin arranged in the positioning hole.
Further, a plurality of first fixing holes are formed between the positioning holes and the upright post; at least one second fixing hole is formed in the lower ends of the two support posts respectively; the base is connected with the support column through pins arranged between the second fixing holes and the corresponding first fixing holes.
Further, the device also comprises a transfer clip; the upper end surfaces of the two struts are respectively provided with a connecting hole; one end of the switching clamp is fixed with the high-torque electric gun, and the other end of the switching clamp is in threaded connection with the connecting hole through a screw.
Further, the support column is an arc-shaped column body; the inner side arc and the outer side arc of the arc cylinder are respectively matched with the inner circle and the outer circle of the base.
Further, a boss is arranged at the lower end of the support column; a groove is formed in the circumferential position of the first fixing hole; the boss is embedded in the groove.
Further, the inner diameter of the base is matched with the inner diameter of the flange plate.
Further, the tested workpiece is a transmission; the sleeve is sleeved with a nut on the speed changer.
The utility model has the beneficial effects that:
(1) The utility model realizes the calibration of the high-torque electric gun and improves the calibration efficiency of the high-torque electric gun (time and labor are saved, and 3-4 people are needed to detect the torque by resultant force before); the large-torque electric gun is used for calibrating the tool clamp and the dynamic torque tester, so that the torque value is more accurate and real when the torque is detected; meanwhile, the calibration cost is saved, and the calibration cost is reduced, so that the purposes of improving the calibration efficiency and accurately calibrating data are achieved.
(2) The fixture solves the problem that the existing calibration fixture cannot directly calibrate the high-torque electric gun, achieves the aim of periodically calibrating the high-torque electric gun, has the advantages of firm fixation, light connection, practicability and the like, and can provide corresponding solutions for similar measurement problems.
Drawings
FIG. 1 is a schematic diagram of the installation position of a high-torque electric gun calibration fixture;
FIG. 2 is a schematic diagram of a three-dimensional structure of a base and a column in the high-torque electric gun calibration fixture of the utility model;
FIG. 3 is a schematic cross-sectional view of a portion of the structure of FIG. 2;
FIG. 4 is a schematic cross-sectional view of a strut in accordance with the present utility model.
Reference numerals: the device comprises a 1-workbench, a 2-large torque electric gun calibration fixture, a 20-arc-shaped groove, a 21-pillar, a 22-positioning hole, a 23-connecting hole, a 24-first fixing hole, a 25-base, a 26-second fixing hole, a 27-boss, a 28-groove, a 29-rotation preventing pin, a 3-flange, a 4-workpiece to be tested, a 5-switching clamp, a 6-positioning screw, a 7-large torque electric gun, an 8-switching head, a 9-calibration sensor, a 10-sleeve and an 11-screw.
Detailed Description
The utility model relates to a large-torque electric gun calibration fixture, which is shown in figures 1 and 2, and comprises a calibration sensor 9, a flange plate 3, a sleeve 10 and a fixture main body 2; the tool clamp body 2 comprises an annular base 25 and two support posts 21 which are symmetrically arranged on the upper surface of the base 25 and have the same shape and structure; the upper end of the calibration sensor 9 is connected with a conversion head 8 of the high-torque electric gun 7; the lower end of the calibration sensor 9 is connected with the upper end of the sleeve 10; the sleeve 10 passes through the base 25 and the flange 3 and then is sleeved with a nut on the tested workpiece 4 (such as a speed changer); the upper ends of the two struts 21 are respectively connected with the workbench 1 of the high-torque electric gun 7; the lower surface of the base 25 is connected with the flange 3; the lower surface of the flange plate 3 is connected with the shell of the tested workpiece 4.
As shown in fig. 2, the base 25 is provided with two symmetrical positioning holes 22; the positioning holes 22 and the two struts 21 are staggered; the base 25 is connected with the flange 3 through an anti-rotation pin 29 arranged in the positioning hole 22; when torque is measured, the base 25 is tightly adhered and fixed with the flange 3; the inner diameter of the base 25 is matched with the inner diameter of the flange 3.
As shown in fig. 2 and 4, a plurality of first fixing holes 24 are provided between the positioning holes 22 and the support posts 21; the lower ends of the two struts 21 are respectively provided with at least one second fixing hole 26; the base 25 and the support 21 are connected by pins provided between the second fixing holes 26 and the corresponding first fixing holes 24, and the support 21 may be fixed to the base 25 by using locking pins through the first fixing holes 24 and the second fixing holes 26.
As shown in fig. 1 and 2, the upper end surfaces of the two struts 21 are respectively provided with a connecting hole 23, one end of the switching clamp 5 is fixed with the high-torque electric gun 7, and the other end is in threaded connection with the connecting hole 23 through a screw 11.
As shown in fig. 3, the boss 27 at the lower end of the support column 21 is embedded in the groove 28 of the first fixing hole 24, so that the support column 21 and the base 25 are fixed more firmly.
The support column 21 is an arc-shaped column; the inner side of the arc cylinder is provided with an arc groove 20, and the inner side arc and the outer side arc of the arc cylinder are respectively matched with the inner circle and the outer circle of the base 25.
The working principle of the utility model is as follows:
The design of the large-torque tool clamp 2 starts from the two aspects of the appearance structure and the calibration principle to achieve the purpose of realizing periodic calibration of the large-torque electric gun 7 so as to improve the calibration efficiency and the data accuracy.
Firstly, pins on a high-torque tool clamp 2 are used as a positioning pin 6 and an anti-rotation pin 29, and a base 25 is connected with a speed changer through a flange 3 by the anti-rotation pin 29; secondly, the positioning pin 6 connects the switching clamp 5 with the large torque electric gun 7, a screw 11 on the switching clamp 5 passes through a connecting hole 23 on a support column 21 of the large torque tool clamp 2, the calibration sensor 9 is placed between the two support columns 21 of the large torque tool clamp 2, the upper end of the calibration sensor 9 is connected with the large torque electric gun 7, the lower end is connected with the sleeve 10, and the sleeve 10 is sleeved with a nut of the transmission after passing through the base 25 and the flange 3; and after connection is completed, a given torque value is input, the large-torque electric gun 7 and the calibration sensor 9 are started to work, and the large-torque tool clamp 2 and the dynamic torque tester are used, so that the calibration of the large-torque electric gun 7 is realized.

Claims (8)

1. The utility model provides a frock clamp is markd to big moment of torsion electricity rifle, includes ring flange (3), marks sensor (9) that link to each other with dynamic torque tester, its characterized in that: the tool clamp also comprises a sleeve (10) and a tool clamp main body (2);
The tool clamp main body (2) comprises an annular base (25) and two support posts (21) which are symmetrically arranged on the upper surface of the base (25) and have the same shape and structure;
The upper end of the calibration sensor (9) is connected with a conversion head (8) of the high-torque electric gun (7); the lower end of the calibration sensor (9) is connected with the upper end of the sleeve (10);
The sleeve (10) passes through the base (25) and the flange plate (3) and then is sleeved with a nut on the tested workpiece (4);
The upper ends of the two struts (21) are respectively connected with a workbench (1) of the high-torque electric gun (7);
the lower surface of the base (25) is connected with the flange plate (3);
the lower surface of the flange plate (3) is connected with a shell of the tested workpiece (4).
2. The high-torque electric gun calibration fixture according to claim 1, wherein:
Two symmetrical positioning holes (22) are formed in the base (25); the two positioning holes (22) and the two struts (21) are staggered; the base (25) is connected with the flange plate (3) through an anti-rotation pin (29) arranged in the positioning hole (22).
3. The high-torque electric gun calibration fixture according to claim 2, wherein:
A plurality of first fixing holes (24) are arranged between the positioning holes (22) and the support posts (21); the lower ends of the two struts (21) are respectively provided with at least one second fixing hole (26); the base (25) is connected with the support column (21) through pins arranged between the second fixing holes (26) and the corresponding first fixing holes (24).
4. A high torque gun calibration fixture according to claim 1, 2 or 3, wherein:
The device also comprises a transfer clip (5); the upper end surfaces of the two struts (21) are respectively provided with a connecting hole (23);
One end of the switching clamp (5) is fixed with the high-torque electric gun (7), and the other end of the switching clamp is in threaded connection with the connecting hole (23) through the screw (11).
5. The high-torque electric gun calibration fixture of claim 4, wherein:
the support column (21) is an arc-shaped column body; the inner side arc and the outer side arc of the arc cylinder are respectively matched with the inner circle and the outer circle of the base (25).
6. The high-torque electric gun calibration fixture of claim 5, wherein:
A boss (27) is arranged at the lower end of the support column (21); a groove (28) is formed in the circumferential position of the first fixing hole (24); the boss (27) is embedded in the groove (28).
7. The high-torque electric gun calibration fixture of claim 6, wherein:
the inner diameter of the base (25) is matched with the inner diameter of the flange plate (3).
8. The high-torque electric gun calibration fixture of claim 7, wherein:
the tested workpiece (4) is a transmission; the sleeve (10) is sleeved with a nut on the speed changer.
CN202322934840.2U 2023-10-31 2023-10-31 Large-torque electric gun calibration fixture Active CN221302602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322934840.2U CN221302602U (en) 2023-10-31 2023-10-31 Large-torque electric gun calibration fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322934840.2U CN221302602U (en) 2023-10-31 2023-10-31 Large-torque electric gun calibration fixture

Publications (1)

Publication Number Publication Date
CN221302602U true CN221302602U (en) 2024-07-09

Family

ID=91745174

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322934840.2U Active CN221302602U (en) 2023-10-31 2023-10-31 Large-torque electric gun calibration fixture

Country Status (1)

Country Link
CN (1) CN221302602U (en)

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