CN219201173U - Fastening point strength testing device - Google Patents
Fastening point strength testing device Download PDFInfo
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- CN219201173U CN219201173U CN202320525365.0U CN202320525365U CN219201173U CN 219201173 U CN219201173 U CN 219201173U CN 202320525365 U CN202320525365 U CN 202320525365U CN 219201173 U CN219201173 U CN 219201173U
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- point strength
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Abstract
The utility model provides a fastening point strength testing device, relates to the field of automobile part detection, and solves the problem that the fastening point strength testing device is severely limited by a testing environment; the device comprises a support, a lifting platform, a tension display device and a ratchet tensioner, wherein the support is vertically arranged in a box body, or the support is arranged on the lifting platform, one end of the ratchet tensioner is connected with a part to be tested, the other end of the ratchet tensioner is connected with the tension display device, the tension display device is connected with the support, and the tension display device is used for displaying the magnitude of external force acting on the ratchet tensioner; the lifting platform is arranged in a telescopic manner in the vertical direction so as to support the bracket and the ratchet tensioner assembled with the bracket in place to the position of the part to be tested; the testing device is not limited by the testing environment, is easy to detach and is easy to carry; the test operation is convenient and quick, and the test efficiency is improved; simple structure and low failure rate.
Description
Technical Field
The utility model relates to the technical field of automobile part detection, in particular to a fastening point strength testing device.
Background
Commercial trucks and trailers require testing for fastening point strength requirements. The strength of the fastening point requires that the fastening point and the corresponding mounting position on the semitrailer should bear 20kN of tension, and the same fastening point only allows connection with one group of fastening devices, and the relevant parts on the fastening point and the corresponding mounting position on the semitrailer should not crack, permanently deform, break, loosen and the like.
The applicant found that the prior art has at least the following technical problems: some fastening point strength testing arrangement among the prior art adopts complicated structures such as electric lifting rod, removal slide rail, electric telescopic handle, electric capstan, universal steering wheel, locking draw-in groove, electromagnetism, and the accident rate is high, and maintainability is low. The prior art has the defects that the limitation of the detection of the fastening point strength is large, the conventional testing device can detect the fastening point strength only by keeping a proper distance at a specific position and a proper height of the fixing pile, the requirements of multi-position and multi-height detection cannot be met, the fastening point strength can not be detected after leaving the fixing pile, and the limitation of the testing environment is serious.
Disclosure of Invention
The utility model aims to provide a fastening point strength testing device, which is used for solving the technical problem that the conventional fastening point strength testing device in the prior art is severely limited by a testing environment; the preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a fastening point strength testing device, which comprises a bracket, a lifting platform, a tension display device and a ratchet tensioner, wherein:
the support is vertically arranged in the box body, or is arranged on the lifting platform, one end of the ratchet strainer is connected with a part to be tested, the other end of the ratchet strainer is connected with the tension display device, the tension display device is connected with the support, and the tension display device is used for displaying the magnitude of external force acting on the ratchet strainer;
the lifting platform is arranged in a telescopic manner in the vertical direction, so that the support and the ratchet tensioner assembled with the support in place are supported to the position of the part to be tested.
Preferably, the fastening point strength testing device further comprises a first chain portion and a second chain portion, wherein: one end of the ratchet tensioner is connected with the part to be tested through the first chain part, and the tension display device is connected with the bracket through the second chain part.
Preferably, a hanging ring is fixed at the end part of the support, and the second chain part is connected with the hanging ring.
Preferably, the lifting platform comprises a bottom plate, a bearing plate and a telescopic assembly, wherein:
the bottom plate supports on the operation face, the lower extreme of flexible subassembly with bottom plate swing joint, and its upper end with bearing board swing joint, the bearing board is used for supporting the support, flexible setting of flexible subassembly in vertical direction.
Preferably, the telescopic assembly comprises a basket bolt and at least two telescopic units, wherein:
the telescopic units are arranged along the vertical direction, and adjacent telescopic units are connected in a rotating way; each telescopic unit at least comprises two telescopic arms, the middle parts of the two telescopic arms are hinged and are in an X shape, the upper end and the lower end of the basket bolt are respectively connected with the adjacent telescopic units, and the telescopic units can be driven to stretch or shorten when the basket bolt is screwed.
Preferably, the bottom plate is provided with a first guide rail arranged along the horizontal direction, and the bearing plate is provided with a second guide rail arranged along the horizontal direction; and the end part of at least one telescopic arm is in sliding connection with the first guide rail, and the end part of at least one telescopic arm is in sliding connection with the second guide rail.
Preferably, the bottom plate is provided with two first connecting seats which are arranged at intervals, the first guide rail is arranged on one of the first connecting seats, and the other first connecting seat is in rotary connection with the corresponding telescopic arm; the bearing plate is provided with two second connecting seats which are arranged at intervals, the second guide rail is arranged on one of the second connecting seats, and the other second connecting seat is in rotary connection with the corresponding telescopic arm.
Preferably, the tension display device comprises a tension sensor, a controller and a tension display, wherein:
the tension sensor is connected with the ratchet tensioner and is used for detecting the magnitude of external force acting on the ratchet tensioner;
the controller is electrically connected with the tension sensor and the tension display and is used for converting a tension signal transmitted by the tension sensor into a digital signal and displaying the digital signal on the tension display.
Preferably, when the support is used for testing the part to be tested in the box body, the support is vertically arranged, and the bottom end of the support is fixedly provided with supporting feet.
Preferably, the bracket comprises a cross beam and vertical beams connected to two ends of the cross beam, the supporting legs are fixed to the lower ends of the vertical beams, and the tension display device is connected with the cross beam.
Compared with the prior art, the device for testing the strength of the fastening point has the following beneficial effects: when the fastening point strength of the part to be tested is tested in the carriage, the bracket is vertically arranged, and the ratchet tensioner is connected to the bracket without using a fixing pile; when the fastening point strength of the part to be tested is tested outside the carriage, the bracket is placed on the lifting platform, the lifting platform is lifted or lowered to a proper height, and the fastening point strength of the part to be tested with a certain height is tested. The testing device is not limited by the testing environment, is easy to detach and is easy to carry; the test operation is convenient and quick, and the test efficiency is improved; simple structure, no need of complex system and low failure rate.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a first embodiment of a fastening point strength testing device;
FIG. 2 is a schematic view of an assembled structure of a first embodiment of the fastening point strength testing device;
FIG. 3 is a schematic view of the structure of the lifting platform in a lowered state;
FIG. 4 is a schematic view of the structure of the lifting platform in a lifted state;
fig. 5 is a schematic view of an assembled structure of a second embodiment of the fastening point strength testing device.
100 in the figure, a simulated ground ring; 200. side beams; 1. a bracket; 11. a vertical beam; 12. a cross beam; 13. supporting feet; 2. a ratchet tensioner; 3. a tension sensor; 4. a tension display; 5. a first chain portion; 6. a second chain section; 7. a hanging ring; 8. a lifting platform; 81. a bearing plate; 82. a bottom plate; 83. a basket bolt; 84. a telescoping arm; 85. a first connection base; 86. a second connecting seat; 87. a first guide rail; 88. and a second guide rail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In the description of the present utility model, it should be understood that the terms "center", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The embodiment of the utility model provides a fastening point strength testing device, which does not need to use a fixed pile, is convenient and quick to test and operate, and improves test efficiency.
The technical solution provided by the present utility model is described in more detail below with reference to fig. 1 to 5.
As shown in fig. 1 to 5, the device for testing the fastening point strength of the present embodiment includes a bracket 1, a lifting platform 8, a tension display device and a ratchet tensioner 2, wherein: the support 1 is vertically arranged in a box body (carriage), or the support 1 is arranged on the lifting platform 8, one end of the ratchet tensioner 2 is connected with a part to be tested, the other end of the ratchet tensioner is connected with a tension display device, the tension display device is connected with the support 1, and the tension display device is used for displaying the magnitude of external force acting on the ratchet tensioner 2; the lifting platform 8 is arranged in a telescopic manner in the vertical direction so as to support the bracket 1 and the ratchet tensioner 2 assembled with the bracket 1 in place to the position of the part to be tested.
The ratchet strainer 2 is used as an adjusting device, the ratchet strainer 2 is a mature product in the market, has definite mechanical property parameters, omits a calculation process, only needs to select a model, and ensures the mechanical property; and the ratchet strainer 2 is more convenient and labor-saving in operating the handle.
According to the fastening point strength testing device, when the fastening point strength of a part to be tested is tested in a carriage, the bracket 1 is vertically arranged, and the ratchet tensioner 2 is connected to the bracket 1 without using a fixing pile; when the fastening point strength of the part to be tested is tested outside the carriage, the bracket 1 is placed on the lifting platform 8, the lifting platform 8 is lifted or lowered to a proper height, and the fastening point strength of the part to be tested with a certain height is tested. The testing device is not limited by the testing environment, is easy to detach and is easy to carry; the test operation is convenient and quick, and the test efficiency is improved; simple structure, no need of complex system and low failure rate.
As an alternative embodiment, see fig. 1, 2 and 5, the fastening point strength testing device further comprises a first chain part 5 and a second chain part 6, wherein: one end of the ratchet tensioner 2 is connected with the part to be tested through a first chain part 5, and the tension display device is connected with the bracket 1 through a second chain part 6. The structure realizes the movable connection of the ratchet tensioner 2, the bracket 1 and the part to be tested, and is convenient for testing the fastening point strength of the part to be tested.
As an alternative embodiment, the hanging ring 7 is fixed at the end of the bracket 1, and the second chain portion 6 is connected with the hanging ring 7, so as to facilitate the connection of the second chain portion 6 with the bracket 1.
As an alternative embodiment, the tension display device comprises a tension sensor 3, a controller and a tension display 4, wherein: the tension sensor 3 is connected with the ratchet strainer 2 and is used for detecting the magnitude of external force acting on the ratchet strainer 2; the controller is electrically connected with the tension sensor 3 and the tension display 4 and is used for converting a tension signal transmitted by the tension sensor 3 into a digital signal and displaying the digital signal on the tension display 4.
The tension sensor 3 may be purchased directly from the market, and the controller may be a single-chip microcomputer or the like in which a set program is prestored. When the ratchet strainer 2 is used for operating the handle, the tension sensor 3 can transmit a force signal to the controller, the controller converts the force signal into a digital signal to be displayed on the tension display 4, so that a tester can read the force signal directly, the use is convenient, and the testing efficiency is improved.
The fastening point strength testing device of this embodiment has different modes when testing fastening point strength of a part to be tested inside or outside the box, and two embodiments are provided in this embodiment:
example 1
In this embodiment, the case where the fastening point strength of the simulated ground ring 100 in the case is measured will be described as an example:
referring to fig. 1 and 2, when the bracket 1 is used for testing a part to be tested in a box, in this embodiment, the fastening point strength of the simulated ground ring 100 in the box is tested, the bracket 1 is vertically arranged, and the bottom end of the bracket 1 is fixed with a supporting leg 13. The bracket 1 comprises a cross beam 12 and vertical beams 11 connected to two ends of the cross beam 12, supporting legs are fixed to the lower ends of the vertical beams 11, and a tension display device is connected with the cross beam 12.
The operating handle of the ratchet strainer 2 is rotated, so that the telescopic rod part of the ratchet strainer 2 is shortened, tension is generated on the tension sensor 3, the numerical value of the tension display 4 is observed, when the numerical value reaches the required tension value, the state of a fastening point in the box is observed, and whether the simulated loop 100 (part to be tested) is qualified or not is judged.
The fastening point strength testing device in the embodiment does not need to use a fixed pile, adopts the bracket 1 with a portal structure, uses the vehicle floor (horizontal load) or the vehicle side beam (vertical load) as a stress supporting point, does not need the fixed pile, and can move to any area without being limited by the environment because a testing system is an independent system.
Example two
In this embodiment, the case body outside edge beam 200 is tested for fastening point strength as an example:
referring to fig. 3-5, when the bracket 1 is used for testing a part to be tested outside the box, the side rail 200 outside the box is tested for fastening point strength in the present embodiment. The bracket 1 is horizontally placed on the lifting platform 8, and the lifting platform 8 lifts or lowers the bracket 1 to a position where the first chain portion 5 can be connected with the side sill 200 through the sill rope hook.
Referring to fig. 3-5, lifting platform 8 comprises a base plate 82, a bearing plate 81, and a telescoping assembly, wherein: the bottom plate 82 supports on the operation face, and the lower extreme and the bottom plate 82 swing joint of telescopic subassembly, and its upper end and bearing board 81 swing joint, bearing board 81 are used for supporting support 1, telescopic subassembly in the telescopic setting of vertical direction.
The bottom plate 82 is placed on the ground or the operation surface to play a supporting role, and the supporting plate 81 carries the support 1, see fig. 4, and can make the support 1 rise when the telescopic assembly extends in the vertical direction, see fig. 3, and can make the support 1 descend when the telescopic assembly contracts in the vertical direction.
As an alternative embodiment, referring to fig. 3 to 5, the telescopic assembly includes a basket bolt 83 and at least two telescopic units, and the telescopic units in this embodiment have two, three, four, etc. units may be further provided, where: the telescopic units are arranged along the vertical direction, and adjacent telescopic units are rotationally connected; each telescopic unit at least comprises two telescopic arms 84, the middle parts of the two telescopic arms 84 are hinged and are in an X shape, the upper end and the lower end of the basket bolt 83 are respectively connected with the adjacent telescopic units, and the telescopic units can be driven to extend or shorten when the basket bolt 83 is screwed. Referring to fig. 3 to 5, the basket bolts 83 are connected to the middle parts of the adjacent two telescopic units, so that the structure is stable, and the telescopic units can be lengthened or shortened by screwing at least one screw rod of the basket bolts 83, so that the telescopic units are convenient to adjust.
As an alternative embodiment, referring to fig. 3 to 5, a first guide rail 87 is provided on the base plate 82 along the horizontal direction thereof, and a second guide rail 88 is provided on the support plate 81 along the horizontal direction; of the two telescopic arms 84 movably connected to the bottom plate 82, an end of at least one of the telescopic arms 84 is slidably connected to the first guide rail 87, and an end of at least one of the two telescopic arms 84 movably connected to the support plate 81 is slidably connected to the second guide rail 88. The bottom plate 82 is provided with two first connecting seats 85 which are arranged at intervals, the first guide rail 87 is arranged on one first connecting seat 85, and the other first connecting seat 85 is rotationally connected with the corresponding telescopic arm 84; two second connecting seats 86 are arranged on the bearing plate 81 at intervals, a second guide rail 88 is arranged on one second connecting seat 86, and the other second connecting seat 86 is connected with the corresponding telescopic arm 84 in a rotating mode.
Referring to fig. 3 to 5, in the lowermost set of telescopic units, one telescopic arm 84 is rotatably connected to one of the first connection seats 85, and the lower end of the other telescopic arm 84 serves as a moving end slidably connected to the first rail 87 on the other first connection seat 85, and the moving end slides along the first rail 87 when the telescopic unit is extended or shortened. In the uppermost group of telescopic units, one telescopic arm 84 is rotatably connected with one of the second connecting seats 86, and the upper end of the other telescopic arm 84 is used as a moving end and is slidably connected with the second guide rail 88 on the other second connecting seat 86, and when the telescopic unit is extended or shortened, the moving end slides along the second guide rail 88.
The basket bolts 83 are rotated to lengthen or shorten the distance between the connection points at both ends of the basket bolts 83, thereby realizing the height adjustment of the lifting platform 8. The structure realizes the extension or contraction of the telescopic unit, has simple structure, and the lifting platform 8 can lift or lower the support 1 to a position for matching test with the part to be tested.
According to the fastening point strength testing device, as the lifting platform 8 is only used for placing the fastening point strength testing device, the vertical force born by the lifting platform 8 is small, the lifting platform 8 can be adjusted in height by adopting the basket bolts 83, devices such as an oil cylinder and a hydraulic station can be omitted, and the device is operated manually, so that the device is convenient and quick.
The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples in this specification.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a fastening point strength testing arrangement, its characterized in that includes support, lift platform, pulling force display device and ratchet strainer, wherein:
the support is vertically arranged in the box body, or is arranged on the lifting platform, one end of the ratchet strainer is connected with a part to be tested, the other end of the ratchet strainer is connected with the tension display device, the tension display device is connected with the support, and the tension display device is used for displaying the magnitude of external force acting on the ratchet strainer;
the lifting platform is arranged in a telescopic manner in the vertical direction, so that the support and the ratchet tensioner assembled with the support in place are supported to the position of the part to be tested.
2. The fastening point strength testing device of claim 1, further comprising a first chain portion and a second chain portion, wherein: one end of the ratchet tensioner is connected with the part to be tested through the first chain part, and the tension display device is connected with the bracket through the second chain part.
3. The fastening point strength testing device according to claim 2, wherein a hanging ring is fixed to an end portion of the bracket, and the second chain portion is connected to the hanging ring.
4. The fastening point strength testing device of claim 1, wherein the lifting platform comprises a base plate, a bolster plate, and a telescoping assembly, wherein:
the bottom plate supports on the operation face, the lower extreme of flexible subassembly with bottom plate swing joint, and its upper end with bearing board swing joint, the bearing board is used for supporting the support, flexible setting of flexible subassembly in vertical direction.
5. The fastening point strength testing device of claim 4, wherein the telescoping assembly comprises a basket bolt and at least two telescoping units, wherein:
the telescopic units are arranged along the vertical direction, and adjacent telescopic units are connected in a rotating way; each telescopic unit at least comprises two telescopic arms, the middle parts of the two telescopic arms are hinged and are in an X shape, the upper end and the lower end of the basket bolt are respectively connected with the adjacent telescopic units, and the telescopic units can be driven to stretch or shorten when the basket bolt is screwed.
6. The fastening point strength testing device according to claim 5, wherein the base plate is provided with a first rail disposed in a horizontal direction thereof, and the carrier plate is provided with a second rail disposed in a horizontal direction; and the end part of at least one telescopic arm is in sliding connection with the first guide rail, and the end part of at least one telescopic arm is in sliding connection with the second guide rail.
7. The fastening point strength testing device according to claim 6, wherein two first connecting seats are arranged on the bottom plate at intervals, the first guide rail is arranged on one of the first connecting seats, and the other first connecting seat is in rotary connection with the corresponding telescopic arm; the bearing plate is provided with two second connecting seats which are arranged at intervals, the second guide rail is arranged on one of the second connecting seats, and the other second connecting seat is in rotary connection with the corresponding telescopic arm.
8. The fastening point strength testing device of claim 1, wherein the tension display device comprises a tension sensor, a controller, and a tension display, wherein:
the tension sensor is connected with the ratchet tensioner and is used for detecting the magnitude of external force acting on the ratchet tensioner;
the controller is electrically connected with the tension sensor and the tension display and is used for converting a tension signal transmitted by the tension sensor into a digital signal and displaying the digital signal on the tension display.
9. The fastening point strength testing device according to claim 1, wherein the bracket is arranged vertically when the bracket is used for testing a part to be tested in the box body, and a supporting leg is fixed at the bottom end of the bracket.
10. The fastening point strength testing device according to claim 9, wherein the bracket comprises a cross beam and vertical beams connected to both ends of the cross beam, the supporting legs are fixed to lower ends of the vertical beams, and the tension display device is connected to the cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320525365.0U CN219201173U (en) | 2023-03-10 | 2023-03-10 | Fastening point strength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320525365.0U CN219201173U (en) | 2023-03-10 | 2023-03-10 | Fastening point strength testing device |
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| Publication Number | Publication Date |
|---|---|
| CN219201173U true CN219201173U (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320525365.0U Active CN219201173U (en) | 2023-03-10 | 2023-03-10 | Fastening point strength testing device |
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|---|---|
| CN (1) | CN219201173U (en) |
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Peizhong Inventor after: Chen Xiaowei Inventor after: Kou Jin Inventor after: Li Xianbo Inventor after: Dong Liangyu Inventor before: Liu Peizhong Inventor before: Chen Xiaowei |