CN216978218U - Threaded fastener torque testing device - Google Patents
Threaded fastener torque testing device Download PDFInfo
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- CN216978218U CN216978218U CN202123431127.3U CN202123431127U CN216978218U CN 216978218 U CN216978218 U CN 216978218U CN 202123431127 U CN202123431127 U CN 202123431127U CN 216978218 U CN216978218 U CN 216978218U
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Abstract
The utility model discloses a torque testing device for a threaded fastener, which is controlled by an external controller and comprises a bolt clamping mechanism, a torque testing device and a torque testing device, wherein the bolt clamping mechanism clamps and fixes a bolt part; the nut screwing mechanism is used for installing and fixing nut parts; the nut screwing mechanism moves to the opposite side of the bolt clamping mechanism and drives the nut part and the bolt part to form adaptive connection so as to realize thread fastening; according to the torque testing device for the threaded fastener, the bolt is clamped through the bolt clamping mechanism, the nut is fixed through the nut screwing mechanism and is transmitted to the screwing force of the nut, the two parts of structures are matched with each other, the torque force of the threaded fastener is tested, the structure is optimized, the operation is simple, the full-automatic control saves manpower, and the measurement is more accurate.
Description
Technical Field
The utility model relates to the technical field of threaded fastening, in particular to a torque testing device for a threaded fastener.
Background
Threaded fasteners are mechanical parts with internal or external threads that are typically used as fasteners to facilitate the assembly of multiple components, most commonly threaded fasteners are screws, nuts and bolts, but there are other threaded fasteners such as cage nuts, threaded inserts, threaded rods, etc.; threaded fasteners are used on almost all mechanical equipment, and therefore, the threaded coupling technology is one of the most important technologies to ensure the reliability of mechanical systems, and since threaded fasteners have become one of the most standardized parts due to frequent use, a list of parts classified by their sizes (nominal diameter, length, head shape, etc.) and strength grades has been provided in common standards such as ISO and JLS, and therefore, only a selection from the standards is required, and threaded fasteners of any specification can be easily used.
In the production and preparation of the bolt, torque testing needs to be carried out on a finished product or a semi-finished product bolt product, namely, in the actual work of the bolt, no matter the pressing force between two connected bodies or the axial pretightening force on the bolt is difficult to detect, the bolt torque performance needs to be tested in advance, the connection and fastening stability after subsequent assembly is ensured (different bolts are selected according to different occasions), the safety production assembly fixing operation is completed, the existing detection equipment components are complex, the detection equipment needs to be manually supported by detection personnel for realizing, the operation is troublesome, potential safety hazards exist, errors are easily caused, and the detection data are influenced.
The Chinese utility model patent (application date: 2020.12.30, publication number: CN213779354U) discloses a threaded fastener torque testing device, including vertical operation box, and set up in vertical operation box one side and with rotatory bolt assembly cooperation use swivel nut fixed subassembly component, vertical operation box, the fixed subassembly structure of swivel nut and swivel nut of cooperation use can carry out high-efficient, safe and accurate torque test action to the bolt that awaits measuring, guarantees product quality uniformity, wholly is modular structural design, is convenient for overhaul, upper and lower bolt and swivel nut, and maintain the grade, the practicality is strong.
Therefore, the device for testing the torque of the threaded fastener in the prior art is combined, the components of the detection equipment are complex, detection personnel are required to manually support the detection equipment, the operation is troublesome, potential safety hazards exist, errors are easily caused, the use defect of detection data is influenced, and the device is further designed to be optimized in structure, simple in operation, accurate in measurement and capable of saving manpower so as to solve the problems.
Disclosure of Invention
The utility model aims to provide a threaded fastener torque testing device which is optimized in structure, simple to operate, accurate in measurement and labor-saving.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a threaded fastener torque testing device, the device controlled by an external controller, comprising:
the bolt clamping mechanism clamps and fixes the bolt part;
the nut mechanism of screwing, nut mechanism installation fixed nut part of screwing: wherein
And the nut screwing mechanism moves to the opposite side of the bolt clamping mechanism and drives the nut part and the bolt part to form adaptive connection so as to realize thread fastening.
Further, the bolt clamping mechanism includes:
a base portion;
the first lead screw is movably arranged along the length direction of one part of the base in an inserting manner;
the first lead screw penetrates through one side of one part of the base and is connected with the first motor;
the first mounting slide bar is arranged on two sides of the first lead screw;
the first mounting seat is movably mounted on the first lead screw and the first mounting slide rod;
the first motor drives the first lead screw to rotate so as to enable the first mounting seat to form linear motion along the length direction of the first mounting slide rod;
further comprising:
the adjusting block is of a U-shaped structure;
the adjusting block is fixedly arranged on the first mounting seat;
a connecting rod is arranged at the U-shaped opening of the adjusting block;
one end of the connecting rod is connected with a second motor;
the other end of the connecting rod is connected with an annular mounting clamp;
the two groups of annular mounting clamps form a mounting space for clamping bolt parts; wherein
The second motor drives the two groups of connecting rods to move oppositely and oppositely to form a reduced or increased installation space so as to clamp or loosen the bolt part.
Further, the nut tightening mechanism includes:
a second base;
the second screw rods are movably arranged along the length direction of the two parts of the base in an inserting manner;
the second lead screw penetrates through one side of the second part of the base and is connected with a third motor;
the two sides of the second lead screw are provided with second mounting sliding rods;
the second mounting seat is movably mounted on the second lead screw and the second mounting slide rod;
the third motor drives the second lead screw to rotate so as to enable the second mounting base to form linear motion along the length direction of the second mounting slide rod;
further comprising:
the sliding groove is arranged in the second mounting seat;
a first rack part and a second rack part are movably arranged in the two groups of sliding chutes respectively;
the first rack part and the second rack part are in driving connection through a fourth motor and a fifth motor respectively;
a gear is in meshing transmission between the first rack part and the second rack part; wherein
The fourth motor and the fifth motor respectively drive the first rack part and the second rack part in a reverse direction to realize the positioning rotation of the gear.
Further, the gear includes:
mounting a through hole;
an internal thread and an embedded strip are formed in the mounting through hole; wherein
The nut part is fixedly arranged in the mounting through hole through the internal thread and the embedded strip.
Further, the aperture of the mounting through hole is gradually reduced inwards along the length direction of the mounting through hole.
In the technical scheme, the torque testing device for the threaded fastener has the following beneficial effects:
according to the torque testing device for the threaded fastener, provided by the utility model, the bolt is clamped through the bolt clamping mechanism, the nut is fixed through the nut screwing mechanism and is simultaneously transmitted to the screwing force of the nut, the two parts of structures are mutually matched to complete the torque force test of the threaded fastener, the structure is optimized, the operation is simple, the full-automatic control saves manpower, and the measurement is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram of a torque testing device for a threaded fastener according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a bolt clamping mechanism in a torque testing apparatus for a threaded fastener according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a nut tightening mechanism of the device for testing torque of a threaded fastener according to an embodiment of the present invention;
fig. 4 is a schematic partial structural diagram of a torque testing apparatus for a threaded fastener according to an embodiment of the present invention.
Description of the reference numerals:
1. a bolt clamping mechanism; 2. a nut screwing mechanism;
11. a base portion; 12. a first lead screw; 13. a first motor; 14. a first mounting slide bar; 15. a first mounting seat; 16. a regulating block; 17. a connecting rod; 18. a second motor; 19. an annular mounting clip;
21. a second base; 22. a second lead screw; 23. a third motor; 24. a second mounting slide bar; 25. a second mounting seat; 26. a chute; 29. a gear;
271. a first rack; 272 rack two;
281. a fourth motor; 282. a fifth motor;
291. mounting a through hole; 292. an internal thread; 293. and (3) a chimeric strip.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
It is to be understood that the terms "upper", "one end", "the other end", and the like, as used herein, are based on the orientation or positional relationship shown in the drawings for convenience in describing the present invention and simplicity in description, and similar language is used for illustrative purposes only and does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in an operative manner and is not to be construed as limiting the present invention; the terms "first," "second," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 4:
the utility model discloses a torque testing device for a threaded fastener, which is controlled by an external controller and comprises:
the bolt clamping mechanism 1 is used for clamping and fixing the bolt part;
The nut screwing mechanism 2 moves to the opposite side of the bolt clamping mechanism 1 and drives the nut part and the bolt part to form adaptive connection so as to realize thread fastening.
Specifically, according to the torque testing device for the threaded fastener provided by the utility model, after the external controller control device is started, the bolt clamping mechanism 1 clamps and fixes the bolt part, the nut screwing mechanism 2 installs and fixes the nut part, then the nut screwing mechanism 2 moves towards the direction of the bolt clamping mechanism 1, and the nut installed on the nut screwing mechanism 2 gradually screws the bolt clamped on the bolt clamping mechanism 1, so that the torque within the screwing length between the side surface of the external thread of the bolt and the side surface of the internal thread of the nut is measured.
Bolt fixture 1 includes:
a base first portion 11;
the first lead screw 12 is movably inserted and arranged along the length direction of the first base part 11;
the first lead screw 12 penetrates through one side of the first base part 11 and is connected with a first motor 13;
a first mounting slide bar 14, wherein two sides of the first lead screw 12 are provided with the first mounting slide bar 14;
the first mounting seat 15 is movably mounted on the first lead screw 12 and the first mounting slide rod 14;
the first motor 13 drives the first lead screw 12 to rotate, so that the first mounting seat 15 forms linear motion along the length direction of the first mounting slide rod 14;
further comprising:
the adjusting block 16, the adjusting block 16 is U-shaped;
the adjusting block 16 is fixedly arranged on the first mounting seat 15;
a connecting rod 17 is arranged at the U-shaped opening of the adjusting block 16;
one end of the connecting rod 17 is connected with a second motor 18;
the other end of the connecting rod 17 is connected with an annular mounting clamp 19;
the two groups of annular mounting clamps 19 form a mounting space for clamping bolt parts; wherein
The second motor 18 drives the two groups of connecting rods 17 to move towards and away from each other to form a reduction or increase of the installation space so as to clamp or loosen the bolt part.
Specifically, after the bolt clamping mechanism 1 is started, the first motor 13 drives the first lead screw 12 to rotate, the first lead screw 12 rotates to drive the first mounting seat 15 to move along the length direction of the first lead screw 12 and the first mounting slide rod 14, the first mounting seat 15 is moved to a proper position, then the second motor 18 drives the two groups of connecting rods 17 to move oppositely to enable the two groups of annular mounting clamps 19 to be gradually closed, and the two groups of annular mounting clamps 19 are closed and clamp bolts for subsequent measurement;
preferably, the moving distance of the second motor 18 driving the two sets of connecting rods 17 can adjust the size of the installation space formed by the two sets of annular installation clamps 19, so that bolts with different sizes can be conveniently and adaptively installed.
The nut tightening mechanism 2 includes:
a second base part 21;
the second lead screw 22 is movably inserted and arranged along the length direction of the second base part 21;
the second lead screw 22 passes through one side of the second base part 21 and is connected with a third motor 23;
a second mounting slide bar 24, wherein the two sides of the second lead screw 22 are provided with the second mounting slide bar 24;
the second mounting seat 25 is movably mounted on the second lead screw 22 and the second mounting slide bar 24;
the third motor 23 drives the second lead screw 22 to rotate, so that the second mounting seat 25 forms linear motion along the length direction of the second mounting slide bar 24;
further comprising:
the sliding groove 26 is formed in the second mounting seat 25;
a first rack part 271 and a second rack part 272 are movably arranged in the two groups of sliding grooves 26 respectively;
the first rack part 271 and the second rack part 272 are respectively in driving connection through a fourth motor 281 and a fifth motor 282;
the first rack part 271 and the second rack part 272 are meshed with each other to transmit the gear 29; wherein
The fourth motor 281 and the fifth motor 282 reversely drive the first rack portion 271 and the second rack portion 272, respectively, to achieve the positioning rotation of the gear 29.
Specifically, when the nut screwing mechanism 2 is used, the nut is fixedly mounted on the gear 29, then the fourth motor 281 drives the first rack portion 271 to move downwards in the chute 26, the fifth motor 282 simultaneously drives the second rack portion 272 to move upwards in the chute 26, the gear 29 meshed between the first rack portion 271 and the second rack portion 272 performs meshing transmission at an original position, at this time, the nut is in a state of gradually screwing with the bolt, and when the fourth motor 281 and the fifth motor 282 are driven reversely, the nut and the bolt are in a state of gradually unscrewing; meanwhile, when the nut and the bolt are screwed, the third motor 23 drives the second lead screw 22 to rotate, the second lead screw 22 rotates to drive the second mounting base 25 to move along the length direction of the second lead screw 22 and the second mounting slide rod 24, that is, the nut on the second mounting base 25 moves towards the bolt while being screwed, so that the screwing length is gradually formed, and the torque test requirement is met.
The gear 29 includes:
a mounting through hole 291;
an internal thread 292 and an embedding strip 293 are formed in the mounting through hole 291; wherein
The nut member is fixedly mounted in the mounting through hole 291 by the internal thread 292 and the fitting strip 293.
Specifically, the nut needs to be fixedly installed in the installation through hole 291, and the internal thread 292 in the installation through hole 291 can increase the friction force with the contact surface of the nut, so that the nut is favorably and stably installed; simultaneously, gomphosis strip 293 in the installation through-hole 291 can the adaptation installation hexagon nut, and every corner limit of hexagon nut can gomphosis joint in gomphosis strip 293, makes the installation more convenient and stable.
The aperture diameter of the mounting through-hole 291 is gradually reduced inward along the length direction thereof.
Preferably, the aperture of the installation through hole 291 is gradually reduced, so that nuts with different sizes can be installed in a matched mode, and the use in testing is facilitated.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (1)
1. A threaded fastener torque testing device, controlled by an external controller, comprising a second motor (18), said second motor (18) being a linear motor, characterized in that it further comprises:
the bolt clamping mechanism (1), the said bolt clamping mechanism (1) clamps the fixed bolt part;
nut mechanism (2) of screwing, nut mechanism (2) of screwing installation fixation nut part: wherein
The nut screwing mechanism (2) moves to the opposite side of the bolt clamping mechanism (1) and drives the nut part and the bolt part to form adaptive connection so as to realize thread fastening;
the bolt clamping mechanism (1) comprises:
a base first portion (11);
the first lead screw (12) is movably inserted and arranged along the length direction of the first base part (11);
the first lead screw (12) penetrates through one side of the first base part (11) and is connected with a first motor (13);
the first mounting slide bar (14), and the two sides of the first lead screw (12) are provided with the first mounting slide bar (14);
the first mounting seat (15), the first mounting seat (15) is movably mounted on the first lead screw (12) and the first mounting slide rod (14);
the first motor (13) drives the first lead screw (12) to rotate so as to enable the first mounting seat (15) to form linear motion along the length direction of the first mounting slide rod (14);
further comprising:
the adjusting block (16), the adjusting block (16) is of a U-shaped structure;
the adjusting block (16) is fixedly arranged on the first mounting seat (15);
a connecting rod (17) is arranged at the U-shaped opening of the adjusting block (16);
one end of the connecting rod (17) is connected with a second motor (18);
the other end of the connecting rod (17) is connected with an annular mounting clamp (19);
the two groups of annular mounting clamps (19) form a mounting space for clamping bolt parts; wherein
The second motor (18) drives the two groups of connecting rods (17) to move oppositely and reversely to form a reduced or increased installation space so as to clamp or loosen bolt parts;
the nut screwing mechanism (2) comprises:
a second base part (21);
the second lead screw (22) is movably inserted and arranged in the length direction of the second base part (21);
the second lead screw (22) penetrates through one side of the second base part (21) and is connected with a third motor (23);
a second mounting slide rod (24), wherein the two sides of the second lead screw (22) are provided with the second mounting slide rod (24);
the second mounting seat (25), the second mounting seat (25) is movably mounted on the second lead screw (22) and the second mounting slide rod (24);
the third motor (23) drives the second lead screw (22) to rotate so as to enable the second mounting seat (25) to form linear motion along the length direction of the second mounting slide rod (24);
further comprising:
the sliding groove (26), the sliding groove (26) is arranged in the second mounting seat (25);
a first rack part (271) and a second rack part (272) are movably arranged in the two groups of sliding grooves (26) respectively;
the first rack part (271) and the second rack part (272) are in driving connection through a fourth motor (281) and a fifth motor (282) respectively;
a gear (29) is meshed between the first rack part (271) and the second rack part (272); wherein
The fourth motor (281) and the fifth motor (282) reversely drive the first rack part (271) and the second rack part (272) respectively to realize the positioning rotation of the gear (29);
the gear (29) comprises:
a mounting through hole (291);
an internal thread (292) and a tabling strip (293) are formed in the mounting through hole (291); wherein
The nut part is fixedly arranged in the mounting through hole (291) through an internal thread (292) and an embedding strip (293);
the aperture of the mounting through hole (291) is gradually reduced inward along the length direction thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431127.3U CN216978218U (en) | 2021-12-30 | 2021-12-30 | Threaded fastener torque testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431127.3U CN216978218U (en) | 2021-12-30 | 2021-12-30 | Threaded fastener torque testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216978218U true CN216978218U (en) | 2022-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123431127.3U Active CN216978218U (en) | 2021-12-30 | 2021-12-30 | Threaded fastener torque testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216978218U (en) |
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2021
- 2021-12-30 CN CN202123431127.3U patent/CN216978218U/en active Active
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