CN220039995U - High-accuracy rivet drawing instrument - Google Patents
High-accuracy rivet drawing instrument Download PDFInfo
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- CN220039995U CN220039995U CN202320614443.4U CN202320614443U CN220039995U CN 220039995 U CN220039995 U CN 220039995U CN 202320614443 U CN202320614443 U CN 202320614443U CN 220039995 U CN220039995 U CN 220039995U
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- block
- portal frame
- limiting
- limiting block
- connecting shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011468 face brick Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- -1 various plates Substances 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a high-accuracy rivet drawing instrument, which comprises: the device comprises a portal frame, a lifting and adjusting mechanism, a connecting and pulling mechanism, a connecting shaft, a standard block and a limiting mechanism, wherein the portal frame is of a door-shaped structure, the lifting and adjusting mechanism is arranged at the top of the portal frame and is fixed to the top end of the connecting and pulling mechanism, the bottom end of the connecting and pulling mechanism is connected to the connecting shaft, the standard block is arranged below the connecting shaft and is used for acting with an object to be detected; and a limiting mechanism is arranged at the connecting shaft and is clung to the inner wall of the portal frame, and the limiting mechanism can move under the guidance of the inner wall of the portal frame. The high-accuracy rivet drawing instrument solves the problem that in the prior art, the standard block swings greatly in the drawing process.
Description
Technical Field
The utility model relates to detection equipment, in particular to a high-accuracy rivet drawing instrument.
Background
The rivet drawing instrument is mainly suitable for detecting the rivet drawing force of the fixed heat-insulating and heat-preserving material in the building engineering, the bonding strength of the heat-insulating and heat-preserving material in the wall body and the like, and detecting the bonding strength of the outer wall face brick, various plates, paint, coating and other materials.
As shown in fig. 1, in the prior art, a rivet pulling apparatus includes: the epoxy resin to be detected is placed at the bottom of the middle of the portal frame 1, the rotating and lifting mechanism is installed at the top of the portal frame 1, the first pull rod 31 is installed at the bottom of the rotating and lifting mechanism, the first pull rod 31 is fixed to one side of the pull sensor 32, the other side of the pull sensor 32 is fixed to the second pull rod 33, and the second pull rod 33 is fixed to the standard block 5. The lift driving mechanism includes: rotatory screw rod, rotary disk, crank and connecting block, rotatory screw rod and portal frame 1 threaded connection, rotatory screw rod top are fixed with the rotary disk, and the rotary disk edge is fixed with the crank, and rotatory screw rod bottom articulates there is the connecting block, and the connecting block is located portal frame 1, and portal frame 1 direction connecting block only can move in vertical direction, and the connecting block is fixed to the pull rod. The working principle is as follows: and (3) bonding the test object on the standard block 5 by using epoxy resin or clamping the test object on the standard block 5, connecting the standard block 5 with the drawing head, rotating the crank to enable the hollow piston to rise, and realizing the drawing test.
The defects of the rivet drawing instrument are as follows: because the first pull rod 31 and the second pull rod 33 are longer in the pulling process, and the connection part of the first pull rod 31 and the pull sensor 32 and the connection part of the pull sensor 32 and the second pull rod 33 are loose, the phenomenon of swinging of the standard block 5 is unavoidable in the pulling process, and after the standard block 5 swings, the pulling force cannot be strictly executed in a straight line in the whole process, so that the pulling force measurement is inaccurate, and the problem of how to ensure that the swinging of the standard block 5 is small is to be solved.
Disclosure of Invention
The utility model provides a high-accuracy rivet drawing instrument, which solves the problem that in the prior art, the standard block swings greatly in the drawing process.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The utility model discloses a high-accuracy rivet drawing instrument, which comprises: the device comprises a portal frame, a lifting and adjusting mechanism, a connecting and pulling mechanism, a connecting shaft, a standard block and a limiting mechanism, wherein the portal frame is of a door-shaped structure, the lifting and adjusting mechanism is arranged at the top of the portal frame and is fixed to the top end of the connecting and pulling mechanism, the bottom end of the connecting and pulling mechanism is connected to the connecting shaft, the standard block is arranged below the connecting shaft and is used for acting with an object to be detected; and a limiting mechanism is arranged at the connecting shaft and is clung to the inner wall of the portal frame, and the limiting mechanism can move under the guidance of the inner wall of the portal frame.
Preferably, the limiting mechanism includes: the novel door type buffer pad comprises a first limiting block, a second limiting block, a buffer pad, a connecting bolt and a connecting nut, wherein the first limiting block and the second limiting block are of a door-shaped structure, the first limiting block and the second limiting block are connected through the connecting bolt and the connecting nut, the buffer pad is arranged at the positions of the first limiting block and the second limiting block and made of elastic rubber materials, and the buffer pad is used for being in contact with the connecting shaft.
Preferably, the first limiting block and the second limiting block are provided with an imbedding groove for imbedding the connecting shaft, the first limiting block and the second limiting block are provided with connecting lugs in a protruding mode, two pairs of connecting lugs penetrate through the connecting bolts, the connecting bolts are in threaded connection with connecting nuts, and the connecting nuts are matched with the connecting bolts to clamp the connecting lugs.
Preferably, the cushion pad is mounted on a mounting block, the mounting block is of an arc-shaped structure, the mounting block is penetrated by a connecting bolt, and the mounting block is clamped by the connecting bolt and a connecting nut.
Preferably, the mounting blocks extend through the cushion pad, which is of arcuate configuration.
Preferably, the elevation adjustment mechanism includes: rotatory screw rod, rotary disk, crank and connecting block, rotatory screw rod and portal frame threaded connection, rotatory screw rod top are fixed with the rotary disk, and the rotary disk edge is fixed with the crank, and rotatory screw rod bottom articulates there is the connecting block, and the connecting block is located the portal frame, and portal frame direction connecting block only can move in vertical direction, and the connecting block is fixed to the pull rod.
Compared with the prior art, the utility model has the following beneficial effects:
because the connection pulling mechanism composed of the first pull rod, the pull sensor, the second pull rod and the like is longer, and certain gaps are reserved at the connection positions of all parts in the connection pulling mechanism, when the epoxy resin to be detected is pulled, the lifting adjusting mechanism is adjusted, so that the connection pulling mechanism and the standard block are lifted, the epoxy resin to be detected, which is adhered or clamped on the standard block, is subjected to a tensile test, and the phenomenon that the standard block shakes left and right is unavoidable during the test. According to the utility model, the limiting mechanism is arranged on the connecting shaft directly connected with the standard block, and the portal frame guides the limiting mechanism because the portal frame is positioned at a certain position, so that the swinging of the standard block can be reduced, and the error of a tensile force detection result caused by the horizontal swinging of the standard block is avoided, thereby improving the detection precision.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of a high accuracy rivet puller according to the prior art.
Fig. 2 is a schematic structural view of a high accuracy rivet puller according to the present utility model.
Fig. 3 is a schematic structural view of the limiting mechanism in fig. 2.
Reference numerals: portal frame 1, rise adjustment mechanism 2, connection pulling mechanism 3, first pull rod 31, tension sensor 32, second pull rod 33, standard piece 5, stop gear 6, first stopper 61, second stopper 62, blotter 63, installation piece 64, engaging lug 65.
Description of the embodiments
The utility model will be further described with reference to the drawings and detailed description in order to make the technical means, the creation characteristics, the achievement of the objects and the functions of the utility model more clear and easy to understand.
As shown in fig. 2 and 3, the present utility model discloses a high accuracy rivet pulling device, comprising: the device comprises a portal frame 1, a lifting and adjusting mechanism 2, a connecting and pulling mechanism 3, a connecting shaft, a standard block 5 and a limiting mechanism 6, wherein the portal frame 1 is of a door-shaped structure, the lifting and adjusting mechanism 2 is installed at the top of the portal frame 1, the lifting and adjusting mechanism 2 is fixed to the top end of the connecting and pulling mechanism 3, the bottom end of the connecting and pulling mechanism 3 is connected to the connecting shaft, the standard block 5 is installed below the connecting shaft, and the standard block 5 is used for acting with an object to be detected; and a limiting mechanism 6 is arranged at the connecting shaft, the limiting mechanism 6 is clung to the inner wall of the portal frame 1, and the limiting mechanism 6 can move under the guidance of the inner wall of the portal frame 1.
The connection pulling mechanism 3 includes: the lifting adjusting mechanism comprises a first pull rod 31, a pull sensor 32 and a second pull rod 33, wherein the high end of the first pull rod 31 is fixed to the bottom end of the lifting adjusting mechanism 2, the low end of the first pull rod 31 is fixed to one side of the pull sensor 32, the other side of the pull sensor 32 is fixed to one end of the second pull rod 33, and the other end of the second pull rod 33 is connected to a connecting shaft.
The limit mechanism 6 includes: the first limiting block 61, the second limiting block 62, the buffer cushion 63, the connecting bolt and the connecting nut, wherein the first limiting block 61 and the second limiting block 62 are of a door-shaped structure, the first limiting block 61 and the second limiting block 62 are connected through the connecting bolt and the connecting nut, the buffer cushion 63 is installed at the positions of the first limiting block 61 and the second limiting block 62, the buffer cushion 63 is made of elastic rubber materials, and the buffer cushion 63 is used for being in contact with a connecting shaft. The buffer cushion 63 surrounds outside the connecting shaft after the first limiting block 61 and the second limiting block 62 are buckled, and the first limiting block 61 and the second limiting block 62 are tightly attached to the portal frame 1, so that the first limiting block 61 and the second limiting block 62 are guided to lift on the inner wall of the portal frame 1, the swinging of the connecting pulling mechanism 3 is avoided, and the buffer cushion 63 blocks the swinging of the connecting shaft and the standard block 5, so that the first limiting block 61 and the second limiting block 62 are positioned together by the connecting bolt and the connecting nut.
The first limiting block 61 and the second limiting block 62 are provided with an imbedding groove for imbedding the connecting shaft (the imbedding groove is large enough in inner wall and is not clung to the connecting shaft, and all the imbedding grooves are clung to the connecting shaft by virtue of the buffer pad 63), the first limiting block 61 and the second limiting block 62 are protruded with connecting lugs 65, two pairs of connecting lugs 65 are penetrated by connecting bolts, connecting nuts are connected with the connecting bolts in a threaded manner, and the connecting nuts are matched with the connecting bolts to clamp the connecting lugs 65. The connection lugs 65 provide mounting contacts.
The cushion 63 is mounted on a mounting block 64, the mounting block 64 has an arc-shaped structure, the mounting block 64 is penetrated by a connecting bolt, and the mounting block 64 is clamped by the connecting bolt and a connecting nut. When the cushion pad 63 is installed by the connecting bolts and the connecting nuts, the cushion pad 63 can be positioned and installed. The mounting block 64 ensures that the mounting position of the buffer cushion 63 has certain hardness, and ensures that the force for blocking the swinging of the connecting shaft and the standard block 5 is enough
The mounting block 64 passes through the cushion 63, and the cushion 63 has an arc-shaped structure. The mounting block 64 is penetrated through the cushion 63, so that the cushion 63 and the mounting block 64 can be connected, and the cushion 63 has elasticity, so that the mounting block 64 can be conveniently penetrated through the cushion 63.
The elevation adjustment mechanism 2 includes: rotatory screw rod, rotary disk, crank and connecting block, rotatory screw rod and portal frame 1 threaded connection, rotatory screw rod top are fixed with the rotary disk, and the rotary disk edge is fixed with the crank, and rotatory screw rod bottom articulates there is the connecting block, and the connecting block is located portal frame 1, and portal frame 1 direction connecting block only can move in vertical direction, and the connecting block is fixed to the pull rod. The crank is rotated, so that the rotary screw rod can be lifted on the portal frame 1, and the connecting block is hinged with the rotary screw rod and can only lift under the guide of the portal frame 1.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (6)
1. A high accuracy rivet pulling instrument, comprising: the device comprises a portal frame (1), a lifting adjusting mechanism (2), a connecting and pulling mechanism (3), a connecting shaft, a standard block (5) and a limiting mechanism (6),
the portal frame (1) is of a door-shaped structure, the top of the portal frame (1) is provided with a lifting adjusting mechanism (2), the lifting adjusting mechanism (2) is fixed to the top end of the connecting pulling mechanism (3), the bottom end of the connecting pulling mechanism (3) is connected to a connecting shaft, a standard block (5) is arranged below the connecting shaft, and the standard block (5) is used for acting with an object to be detected;
and a limiting mechanism (6) is arranged at the connecting shaft, the limiting mechanism (6) is tightly attached to the inner wall of the portal frame (1), and the limiting mechanism (6) can move under the guidance of the inner wall of the portal frame (1).
2. A high accuracy rivet drawing machine according to claim 1, characterized in that the limit mechanism (6) comprises: the novel anti-collision device comprises a first limiting block (61), a second limiting block (62), a buffer pad (63), a connecting bolt and a connecting nut, wherein the first limiting block (61) and the second limiting block (62) are of a door-shaped structure, the first limiting block (61) and the second limiting block (62) are connected through the connecting bolt and the connecting nut, the buffer pad (63) is arranged at the positions of the first limiting block (61) and the second limiting block (62), the buffer pad (63) is made of elastic rubber materials, and the buffer pad (63) is used for being in contact with a connecting shaft.
3. The high-accuracy rivet drawing instrument according to claim 2, wherein the first limiting block (61) and the second limiting block (62) are provided with insertion grooves for insertion of the connecting shaft, the first limiting block (61) and the second limiting block (62) are provided with connecting lugs (65) in a protruding mode, the two pairs of connecting lugs (65) are penetrated by connecting bolts, connecting nuts are connected with the connecting bolts in a threaded mode, and the connecting nuts are matched with the connecting bolts to clamp the connecting lugs (65).
4. A high accuracy rivet drawing machine according to claim 3, in which the buffer (63) is mounted on a mounting block (64), the mounting block (64) being of arcuate configuration, the mounting block (64) being penetrated by the connecting bolt, the mounting block (64) being clamped by the connecting bolt and the connecting nut.
5. A high accuracy rivet pulling instrument, according to claim 4, in which the mounting block (64) passes through the cushion (63), the cushion (63) being of arcuate configuration.
6. A high accuracy rivet drawing machine according to any one of claims 1 to 5, wherein the elevation adjustment mechanism (2) comprises: rotatory screw rod, rotary disk, crank and connecting block, rotatory screw rod and portal frame (1) threaded connection, rotatory screw rod top are fixed with the rotary disk, and the rotary disk edge is fixed with the crank, and rotatory screw rod bottom articulates there is the connecting block, and the connecting block is located portal frame (1), and portal frame (1) direction connecting block only can move in vertical direction, and the connecting block is fixed to connection pulling mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320614443.4U CN220039995U (en) | 2023-03-24 | 2023-03-24 | High-accuracy rivet drawing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320614443.4U CN220039995U (en) | 2023-03-24 | 2023-03-24 | High-accuracy rivet drawing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220039995U true CN220039995U (en) | 2023-11-17 |
Family
ID=88735287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320614443.4U Active CN220039995U (en) | 2023-03-24 | 2023-03-24 | High-accuracy rivet drawing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220039995U (en) |
-
2023
- 2023-03-24 CN CN202320614443.4U patent/CN220039995U/en active Active
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