CN216247158U - Strength testing device of rivet connecting piece - Google Patents
Strength testing device of rivet connecting piece Download PDFInfo
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- CN216247158U CN216247158U CN202122708642.5U CN202122708642U CN216247158U CN 216247158 U CN216247158 U CN 216247158U CN 202122708642 U CN202122708642 U CN 202122708642U CN 216247158 U CN216247158 U CN 216247158U
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Abstract
The utility model provides a strength testing device for a rivet connecting piece, and aims to solve the technical problem that the tensile strength and the compressive strength of the existing rivet can only be tested on different testing equipment respectively, and the testing efficiency is low. The method comprises the following steps: a pressure applying mechanism having an output end; one end of the pressure sensor is arranged on the output end of the pressure applying mechanism; the stress board is provided with a detection hole in the middle, two sides of the detection hole are respectively provided with a sliding hole, and the stress board is provided with a buffer groove; the two ejector rods penetrate through the sliding holes in the stress plate; the two compression rods are arranged at the bottom of the pressure sensor, and one end of each compression rod is in contact with two sides of the stress plate; the pull disc is detachably arranged on the ejector rod, and the middle of the pull disc is provided with a pull hole aligned with the detection hole. The test device has the advantages that the tensile strength and the compressive strength are tested on the same equipment, and the test efficiency is improved.
Description
Technical Field
The utility model relates to a detection device for a connecting piece, in particular to a strength testing device for a rivet connecting piece.
Background
In the new energy electric vehicle industry, a battery is taken as one of core components, and the battery needs to be protected. At present, the automobile is usually wrapped by a metal frame, and various traffic accidents can occur in the driving process of the automobile. Therefore, the metal frame and the connecting piece both need to have certain strength to ensure the safety of the battery, particularly the connecting piece.
The metal frame adopts each part of riveted mode connection frame, when carrying out intensity detection to the connecting piece, needs the tensile of test rivet and compressive strength, and only the rivet of intensity in certain extent just is fit for. In the prior art, the tensile strength and the compressive strength of the test rivet can only be respectively tested on different test equipment, and the problem of low test efficiency exists.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem that the tensile strength and the compressive strength of the tested rivet can only be respectively tested on different testing equipment and the testing efficiency is low, the utility model provides the strength testing device for the rivet connecting piece, which has the advantages that the tensile strength and the compressive strength are tested on the same equipment, and the testing efficiency is improved.
The technical scheme of the utility model is as follows:
a strength testing apparatus of a rivet connecting member, comprising:
a pressure applying mechanism having an output end;
one end of the pressure sensor is arranged on the output end of the pressure applying mechanism;
the stress board is provided with a detection hole in the middle, two sides of the detection hole are respectively provided with a sliding hole, and the stress board is provided with a buffer groove;
the two ejector rods penetrate through the sliding holes in the stress plate;
the two compression rods are arranged at the bottom of the pressure sensor, and one end of each compression rod is in contact with two sides of the stress plate;
the pull disc is detachably arranged on the ejector rod, and the middle of the pull disc is provided with a pull hole aligned with the detection hole.
Optionally, the method further comprises:
the pressure bearing plate is arranged on one end of the pressure sensor, which is far away from the pressure applying mechanism;
the compression block is arranged on one end of the ejector rod, which is far away from the tension disc;
the stress plate is located between the pressure bearing plate and the pressure bearing block, and the end part of the ejector rod is arranged on one side face, far away from the pressure sensor, of the pressure bearing plate.
Optionally, the pressure applying mechanism comprises:
the rack is n-shaped, and a threaded hole in the vertical direction is formed in the top of the rack;
the screw rod is matched with the threaded hole in the rack;
and one end of the screw rod, which is positioned on the inner side of the frame, is rotatably connected with the pressure sensor.
Optionally, the pressure applying mechanism comprises:
the pressure plate is rotatably connected with one end of the screw rod, which is positioned at the inner side of the frame;
wherein the pressure plate is connected with one end of the pressure sensor far away from the stress plate.
Optionally, the pressing mechanism further comprises:
one end of each guide rod is arranged on one side of the pressure plate, one end of each guide rod is arranged on the other side of the pressure plate, and one ends of the two guide rods, which are far away from the pressure plate, are respectively connected with two sides of the rack in a sliding manner;
the guide block is arranged on two sides of one end, far away from the pressure plate, of the guide rod, the end part of the guide rod forms an n-shaped structure, and the n-shaped structure is movably embedded on the rack.
Optionally, the pressing mechanism further comprises:
the rotating handle is arranged on one end of the screw rod, which is far away from the pressure plate;
wherein, the rotating handle is L-shaped or n-shaped.
Optionally, the detection hole and the slide hole are both located in the buffer slot.
Optionally, the tension disc is in contact with one side of the stress plate with the buffer groove;
and two sides of the tension disc are positioned on the steps forming the buffer groove.
Optionally, the length of the ejector rod is greater than or equal to the length of the pressing rod.
Compared with the prior art, the utility model has the beneficial effects that:
the pressure applying mechanism and the pressure sensor are arranged for applying pressure and detecting the intensity of the applied pressure when detecting the intensity of the rivet.
Through setting up depression bar, ejector pin, stress board and pulling force dish, can test the tensile strength of rivet, during the test, connect the one end of rivet in the pulling force hole of pulling force dish, the other end of rivet is connected in the detecting hole of stress board, through the effect that depression bar and ejector pin dislocation removed, tests the tensile strength of rivet.
When the compressive strength of the rivet is tested, one end of the rivet is fixedly connected to the tension hole of the tension disc, the other end of the rivet is vertically upward, and pressure is applied to the rivet through the pressure applying mechanism and the pressure sensor, so that the compressive strength of the rivet is measured.
Through this technical scheme, will test the tensile strength and the compressive strength integration of rivet on an equipment to reach the purpose of simplifying test procedure and reducing test equipment, and then improve detection efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure during tensile strength testing;
FIG. 4 is a schematic structural diagram of a compressive strength test;
fig. 5 is a schematic structural diagram of the stress plate and the tension disc.
Reference numerals:
11. a frame; 12. a rotating seat.
21. A screw; 22. a guide bar; 23. a guide block; 24. a pressure plate.
30. A pressure sensor.
41. A pressure bearing plate; 42. a pressed block; 43. a stress plate; 431. a detection hole; 432. a slide hole; 433. a buffer tank; 44. a tension disc; 441. a tension hole; 45. a top rod; 46. a pressure lever.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
referring to fig. 1-5, the strength testing device for the rivet connection member comprises a pressing mechanism, a pressure sensor 30, a stress plate 43, a mandril 45, a compression bar 46, a tension disc 44, a pressure bearing plate 41 and a pressure bearing block 42. Specifically, the method comprises the following steps:
the pressure applying mechanism has an output end which can output a certain pressure, a pressure sensor 30 is arranged on the output end, the pressure sensor 30 is electrically connected with a pressure converting instrument, and the pressure converting instrument can convert the pressure into an image with a coordinate system.
One end of the pressure sensor 30 is connected to the output end of the pressing mechanism, the other end of the pressure sensor 30 is connected to one side surface of the pressure-bearing plate 41, and two pressure rods 46 are arranged on the other side surface of the pressure-bearing plate 41. Two compression rods 46 are symmetrically arranged at two sides of the bearing plate 41, and the pressure sensor 30 is connected at the middle part of the bearing plate 41.
The other ends of the two compression rods 46 are close to the stress plate 43, and the two compression rods 46 can be propped against the two ends of the stress plate 43. Two sliding holes 432 are formed in the stress plate 43, and a detection hole 431 is formed between the two sliding holes 432. The axes of the two slide holes 432 and the axis of the detection hole 431 are in the same plane, and the plane is parallel to the side of the stress plate 43. Stress plate 43 is last to have a buffer groove 433, and the one end of two slide openings 432 and inspection hole 431 all is located buffer groove 433, and buffer groove 433 link up stress plate 43's both ends for stress plate 43 is the structure of character cut in bas-relief. Two compression rods 46 may press against the side of the stress plate 43 having the buffer groove 433.
A top rod 45 is movably arranged in each of the two sliding holes 432, and one end of each of the two top rods 45 is fixed to one end of the pressure receiving block 42. The stress plate 43 is movable on the two carrier rods 45 in the length direction of the carrier rods 45. The length of the push rod 45 is greater than or equal to that of the press rod 46.
One end of each of the two push rods 45, which is far away from the pressure block 42, is detachably provided with a disc-shaped tension disc 44, and the middle part of the tension disc 44 is provided with a tension hole 441. The tension disc 44 may be contacted by a side of the stress plate 43 having the buffer groove 433, while the diameter of the tension disc 44 is larger than the width of the buffer groove 433, so that both ends of the tension disc 44 are located on a step of the stress plate 43 forming the buffer groove 433.
By providing the pressing mechanism and the pressure sensor 30, the pressure is applied and the intensity of the applied pressure is detected when the rivet intensity is detected.
Through setting up depression bar 46, ejector pin 45, stress board 43 and pulling force dish 44, can test the tensile strength of rivet, during the test, connect the one end of rivet in the pulling force hole 441 of pulling force dish 44, the other end of rivet is connected in the inspection hole 431 of stress board 43, through the effect of depression bar 46 and ejector pin 45 dislocation removal, tests the tensile strength of rivet.
When the compressive strength of the rivet is tested, one end of the rivet is fixedly connected to the tension hole 441 of the tension disc 44, the other end of the rivet is vertically upward, and pressure is applied to the rivet through the pressure applying mechanism and the pressure sensor 30, so that the compressive strength of the rivet is tested.
Through this technical scheme, will test the tensile strength and the compressive strength integration of rivet on an equipment to reach the purpose of simplifying test procedure and reducing test equipment, and then improve detection efficiency.
In one particular embodiment:
referring to fig. 1 and 2, the pressing mechanism includes a frame 11, a screw 21, a pressure plate 24, a guide rod 22, a guide block 23, a rotation handle, and a rotation base 12. Specifically, the method comprises the following steps:
the frame 11 is n style of calligraphy structure, and the both ends of frame 11 set up with subaerial, and the both sides at frame 11 both ends set up the support frame simultaneously for the tip of frame 11 forms triangular structure.
The top of the frame 11 is a beam, a rotary seat 12 is arranged in the middle of the beam, the rotary seat 12 and the beam are provided with a same and coaxial threaded hole, and the screw 21 penetrates through the threaded hole and is in threaded fit connection with the threaded hole. One end of the screw 21 is located inside the frame 11, and the rotating handle is provided on one end of the screw 21 located outside the frame 11.
The end of the screw 21 located inside the frame 11 is provided with a pressure plate 24, the pressure plate 24 is fixedly connected with the end of the pressure sensor 30 far away from the stress plate 43, and two sides of the pressure plate 24 are respectively provided with a guide rod 22. One end of the guide rod 22 is fixedly connected to one side of the pressure plate 24, and the other end of the guide rod 22 is transversely arranged in the frame 11.
Two sides of one end of the guide rod 22, which is far away from the pressure plate 24, are respectively provided with a guide block 23, one end of the guide block 23 is fixedly connected to the guide rod 22, and the guide block 23 forms an n-shaped structure at the end part of the guide rod 22, and the n-shaped structure is movably embedded on one side of the frame 11.
In the present embodiment, the screw 21 is rotated by rotating the handle, and the screw 21 is engaged with the threads of the rotary base 12 and the top of the frame 11, so that the pressure block driving pressure sensor 30 applies work to the stress plate 43, thereby testing the strength of the rivet. By arranging the screw 21, the pressure applied on the stress plate 43 can be changed linearly, which is beneficial to accurately testing the strength of the rivet.
In another embodiment, the rotating handle is L-shaped, and one end of the rotating handle is fixedly connected to the end of the screw 21 located outside the frame 11.
In another embodiment, the rotating handle is n-shaped, and the middle of the rotating handle is fixedly connected to the end of the screw 21 outside the frame 11.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. A strength testing device of a rivet connecting member is characterized by comprising:
a pressure applying mechanism having an output end;
one end of the pressure sensor is arranged on the output end of the pressure applying mechanism;
the stress board is provided with a detection hole in the middle, two sides of the detection hole are respectively provided with a sliding hole, and the stress board is provided with a buffer groove;
the two ejector rods penetrate through the sliding holes in the stress plate;
the two compression rods are arranged at the bottom of the pressure sensor, and one end of each compression rod is in contact with two sides of the stress plate;
the pull disc is detachably arranged on the ejector rod, and the middle of the pull disc is provided with a pull hole aligned with the detection hole.
2. The strength testing apparatus of a rivet connecting member according to claim 1, characterized by further comprising:
the pressure bearing plate is arranged on one end of the pressure sensor, which is far away from the pressure applying mechanism;
the compression block is arranged on one end of the ejector rod, which is far away from the tension disc;
the stress plate is located between the pressure bearing plate and the pressure bearing block, and the end part of the ejector rod is arranged on one side face, far away from the pressure sensor, of the pressure bearing plate.
3. The strength testing device of a rivet connection according to claim 1,
the pressure applying mechanism includes:
the rack is n-shaped, and a threaded hole in the vertical direction is formed in the top of the rack;
the screw rod is matched with the threaded hole in the rack;
and one end of the screw rod, which is positioned on the inner side of the frame, is rotatably connected with the pressure sensor.
4. The strength testing device of a rivet connection according to claim 3,
the pressure applying mechanism further comprises:
the pressure plate is rotatably connected with one end of the screw rod, which is positioned at the inner side of the frame;
wherein the pressure plate is connected with one end of the pressure sensor far away from the stress plate.
5. The strength testing device of a rivet connection according to claim 4,
the pressure applying mechanism further comprises:
one end of each guide rod is arranged on one side of the pressure plate, one end of each guide rod is arranged on the other side of the pressure plate, and one ends of the two guide rods, which are far away from the pressure plate, are respectively connected with two sides of the rack in a sliding manner;
the guide block is arranged on two sides of one end, far away from the pressure plate, of the guide rod, the end part of the guide rod forms an n-shaped structure, and the n-shaped structure is movably embedded on the rack.
6. The strength testing device of a rivet connection according to claim 4,
the pressure applying mechanism further comprises:
the rotating handle is arranged on one end of the screw rod, which is far away from the pressure plate;
wherein, the rotating handle is L-shaped or n-shaped.
7. The strength testing device of a rivet connection according to claim 1,
the detection hole and the slide hole are both positioned in the buffer groove.
8. The strength testing device of a rivet connection according to claim 1,
the tension disc is in contact with one side face, provided with the buffer groove, of the stress plate;
and two sides of the tension disc are positioned on the steps forming the buffer groove.
9. The strength testing device of a rivet connection according to claim 1,
the length of the ejector rod is greater than or equal to that of the pressing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122708642.5U CN216247158U (en) | 2021-11-08 | 2021-11-08 | Strength testing device of rivet connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122708642.5U CN216247158U (en) | 2021-11-08 | 2021-11-08 | Strength testing device of rivet connecting piece |
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| Publication Number | Publication Date |
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| CN216247158U true CN216247158U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122708642.5U Active CN216247158U (en) | 2021-11-08 | 2021-11-08 | Strength testing device of rivet connecting piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739815A (en) * | 2022-06-13 | 2022-07-12 | 成都理工大学 | Multifunctional rock mechanical property tester |
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2021
- 2021-11-08 CN CN202122708642.5U patent/CN216247158U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739815A (en) * | 2022-06-13 | 2022-07-12 | 成都理工大学 | Multifunctional rock mechanical property tester |
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