Tensile resistance testing machine for bolt
By designing a combination of support and tension mechanisms, the problems of unstable bolt fixation and insufficient tension are solved, and the stable fixation and accurate measurement of the bolt tensile testing machine are achieved.
Patent Information
- Application Number
- CN202422745561.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-11-12
AI Technical Summary
Existing equipment has difficulty in effectively fixing bolt heads of different shapes, and it is difficult to increase the tensile force during the test, resulting in incomplete measurement data.
A bolt tensile testing machine including a supporting mechanism and a tensile mechanism is designed. By combining the fixing mechanism and the tensile mechanism, the bolts can be firmly fixed and the tensile force can be precisely controlled.
It achieves stable fixation of bolts of different shapes, ensures the integrity and accuracy of measurement data, and prevents bolt breakage and splashing.
Smart Images
Figure CN223307824U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bolt detection devices, in particular to a bolt tensile strength testing machine. Background Art
[0002] Bolts are a commonly used part in engineering. They are usually composed of a hexagonal head and a screw. They need to be equipped with nuts to fasten two sets of parts with holes. After the bolts are produced, they need to be further tested for tensile strength to check the qualified rate of the bolts.
[0003] When using existing equipment, the bolt cannot be fixed during the fixing process due to the different shapes of the two ends of the bolt. At the same time, it is difficult to increase the tensile force during the test, resulting in incomplete measurement data. Therefore, we propose a bolt tensile tester. Utility Model Content
[0004] The purpose of the utility model is to provide a bolt tensile strength testing machine, which solves the problem that the bolt cannot be fixed during the fixing process due to the different shapes of the two ends of the bolt, and the problem that the measurement data is incomplete due to the difficulty in increasing the tensile force during the test.
[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:
[0006] The utility model is a bolt tensile testing machine, comprising a supporting mechanism, wherein the supporting mechanism comprises an operating table, the outer wall of the operating table is fixedly connected to a base, the outer wall of the operating table is provided with a fixing mechanism, the fixing mechanism comprises a connecting ring, the inner wall of the connecting ring is rotatably connected to a bidirectional threaded rod, the outer wall of the base is provided with a tension mechanism, the tension mechanism comprises a slider, the inner wall of the slider is provided with a fixing hole, and the outer wall of the slider is slidably connected to the inner wall of the operating table.
[0007] Through the above technical solution, the slider can move along the limit groove opened inside the operating table, reducing measurement accidents caused by shaking.
[0008] Furthermore, a limiting groove is provided on the inner wall of the operating table, a rotating seat is fixedly connected to the outer wall of the operating table, and a protective cover is hinged on the outer wall of the rotating seat.
[0009] Through the above technical solution, the protective cover is rotated to completely cover the bolt part, preventing fragments caused by bolt breakage from flying into the eyes of workers.
[0010] Furthermore, a plurality of handles are fixedly connected to the outer wall of the bidirectional threaded rod, and a plurality of movable rings are slidably connected to the outer wall of the bidirectional threaded rod.
[0011] Through the above technical solution, the movable ring can be easily driven to move on the bidirectional threaded rod by rotating any handle, and the bolt can be fixed to prevent it from falling.
[0012] Furthermore, the outer wall of the movable ring is fixedly connected to a fixed block, the inner wall of the fixed block is provided with a positioning groove, the inner wall of the operating table is fixedly connected to a positioning ring, the outer wall of the positioning ring is fixedly connected to a connecting block, and the outer wall of the connecting block is slidably connected to the inner wall of the slider.
[0013] Through the above technical solution, the positioning groove opened inside the fixing block can effectively wrap one end of the bolt completely during the fixing process to prevent it from falling.
[0014] Furthermore, the outer wall of the sliding block is fixedly connected to an extension rod, the outer wall of the extension rod is slidably connected to a hollow rod, and the outer wall of the hollow rod is fixedly connected to the outer wall of the operating table.
[0015] Through the above technical solution, the movement of the extension rod in the hollow rod can effectively assist the smooth movement of the slider and prevent positioning problems.
[0016] Furthermore, a sliding groove is provided on the inner wall of the slider, a motor is fixedly connected to the outer wall of the operating table, the bottom output shaft of the motor is fixedly connected to the rotating shaft through a coupling, the outer wall of the rotating shaft is fixedly connected to a threaded rod, and the outer wall of the threaded rod is slidably connected to the inner wall of the fixing hole.
[0017] Through the above technical solution, through the connection between the threaded rod and the motor, the pulling force generated when the slider moves can be controlled precisely to prevent variables.
[0018] Furthermore, the outer wall of the slider is fixedly connected to a plurality of connecting tubes, the inner walls of the plurality of connecting tubes are fixedly connected to connecting columns, the outer walls of the connecting columns are fixedly connected to resistance springs, and the outer walls of the resistance springs are fixedly connected to the connecting blocks.
[0019] Through the above technical solution, the pulling force generated by the slider during movement can be effectively controlled and increased through the connection of the resistance spring.
[0020] Furthermore, a positioning hole is opened on the inner wall of the connecting column, a clamping block is slidably connected to the inner wall of the connecting column, a fixing ring is slidably connected to the outer wall of the clamping block, and the outer wall of the fixing ring is fixedly connected to the outer wall of the connecting pipe.
[0021] Through the above technical solution, the number of connections of the resistance spring is increased by inserting the block, thereby achieving precise control of the bolt.
[0022] The utility model has the following beneficial effects:
[0023] 1. The utility model sets a fixing block, opens the protective cover, then puts the test bolt into the positioning ring, and then rotates the handle to drive the bidirectional threaded rod to rotate, so that the multiple movable rings connected by the bidirectional threaded rod are close to each other, and drive the connected fixing blocks close, fix one end of the bolt through the positioning groove provided in the fixing block, and then closes the protective cover, so as to achieve the goal of making the fixing blocks close to each other through the rotation of the bidirectional threaded rod, and finally fix the bolt, thereby preventing the situation that the bolt cannot be fixed during the fixing process due to the different shapes of the two ends of the bolt.
[0024] 2. The utility model sets a resistance spring, starts the motor to drive the connected rotating shaft to rotate, thereby driving the threaded rod connected to the rotating shaft to rotate, causing the slider connected to the surface of the threaded rod to slide, and driving the connecting block connected inside the slider to pull the connected positioning ring to move, and insert the clamping block into the connecting column corresponding to different fixing rings. At this time, the connecting column and the slider are connected as one, so the connecting column will be driven to move during the movement of the slider. At the same time, the resistance spring connected to the outer wall of the connecting column will be fixed with the connecting block, so that the spring and the slider are connected through the clamping block, thereby increasing a certain resistance, increasing the tension on the bolt, and preventing the problem of incomplete measurement data due to the difficulty in increasing the tension during the test process.
[0025] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0027] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0028] Figure 2 This is a cross-sectional view of the fixed structure of the utility model;
[0029] Figure 3 This is a side view of the overall structure of the utility model;
[0030] Figure 4 This is a cross-sectional view of the overall structure of the utility model;
[0031] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle.
[0032] In the accompanying drawings, the components represented by the reference numerals are as follows:
[0033] 1. Support mechanism; 101. Operating table; 102. Base; 103. Limiting groove; 104. Rotating seat; 105. Protective cover; 2. Fixing mechanism; 201. Connecting ring; 202. Handle; 203. Bidirectional threaded rod; 204. Moving ring; 205. Fixing block; 206. Positioning groove; 207. Positioning ring; 208. Connecting block; 3. Tension mechanism; 301. Motor; 302. Hollow rod; 303. Extension rod; 304. Threaded rod; 305. Slider; 306. Fixing hole; 307. Connecting pipe; 308. Resistance spring; 309. Connecting column; 310. Block; 311. Fixing ring; 312. Rotating shaft; 313. Sliding groove; 314. Positioning groove. DETAILED DESCRIPTION
[0034] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0035] See also Figure 1-5 As shown, the utility model is a bolt tensile testing machine, including a supporting mechanism 1, the supporting mechanism 1 includes an operating table 101, the outer wall of the operating table 101 is fixedly connected to the base 102, the outer wall of the operating table 101 is provided with a fixing mechanism 2, the fixing mechanism 2 includes a connecting ring 201, the inner wall of the connecting ring 201 is rotatably connected to a bidirectional threaded rod 203, the outer wall of the base 102 is provided with a tensioning mechanism 3, the tensioning mechanism 3 includes a slider 305, the inner wall of the slider 305 is provided with a fixing hole 306, and the outer wall of the slider 305 is slidably connected to the inner wall of the operating table 101.
[0036] Among them Figure 1 As shown, a limiting groove 103 is provided on the inner wall of the operating platform 101 , a rotating base 104 is fixedly connected to the outer wall of the operating platform 101 , and a protective cover 105 is hinged to the outer wall of the rotating base 104 .
[0037] Among them Figure 2-3 As shown, a plurality of handles 202 are fixedly connected to the outer wall of the bidirectional threaded rod 203 , and a plurality of movable rings 204 are slidably connected to the outer wall of the bidirectional threaded rod 203 .
[0038] Among them Figure 1-4 As shown, the outer wall of the movable ring 204 is fixedly connected to the fixed block 205, the inner wall of the fixed block 205 is provided with a positioning groove 206, the inner wall of the operating table 101 is fixedly connected to the positioning ring 207, the outer wall of the positioning ring 207 is fixedly connected to the connecting block 208, and the outer wall of the connecting block 208 is slidably connected to the inner wall of the slider 305.
[0039] Among them Figure 1-4 As shown, the outer wall of the slider 305 is fixedly connected to the extension rod 303 , the outer wall of the extension rod 303 is slidably connected to the hollow rod 302 , and the outer wall of the hollow rod 302 is fixedly connected to the outer wall of the operating table 101 .
[0040] Among them Figure 1-4 As shown, a sliding groove 313 is provided on the inner wall of the slider 305, the outer wall of the operating table 101 is fixedly connected to the motor 301, the bottom output shaft of the motor 301 is fixedly connected to the rotating shaft 312 through a coupling, the outer wall of the rotating shaft 312 is fixedly connected to the threaded rod 304, and the outer wall of the threaded rod 304 is slidably connected to the inner wall of the fixing hole 306.
[0041] Among them Figure 2-5 As shown, the outer wall of the slider 305 is fixedly connected to several connecting tubes 307, the inner walls of the several connecting tubes 307 are fixedly connected to connecting columns 309, the outer walls of the connecting columns 309 are fixedly connected to resistance springs 308, and the outer walls of the resistance springs 308 are fixedly connected to the connecting block 208.
[0042] Among them Figure 4-5 As shown, a positioning hole 314 is opened on the inner wall of the connecting column 309, a clamping block 310 is slidably connected to the inner wall of the connecting column 309, a fixing ring 311 is slidably connected to the outer wall of the clamping block 310, and the outer wall of the fixing ring 311 is fixedly connected to the outer wall of the connecting pipe 307.
[0043] A specific application of this embodiment is:
[0044] When the staff needs to use the device, they first open the protective cover 105, then put the test bolt into the positioning ring 207, and then turn the handle 202 to drive the two-way threaded rod 203 to rotate, so that the multiple moving rings 204 connected to the two-way threaded rod 203 are close to each other, and the connected fixed block 205 is driven to move close, and one end of the bolt is fixed through the positioning groove 206 opened in the fixed block 205, and then the protective cover 105 is closed, and the motor 301 is started to drive the connected rotating shaft 312 to rotate, thereby driving the threaded rod 304 connected to the rotating shaft 312 to rotate, so that the slider 305 connected to the surface of the threaded rod 304 slides, and drives the connecting block 208 connected inside the slider 305 to pull the connected positioning ring 207 to move. During the movement, the slider 305 will move along the inner surface of the operating table 101 The surface of the limit groove 103 opened in the upper part moves, and the extension rod 303 connected to the outside of the slider 305 will also move along the inner wall of the hollow rod 302. During the movement, because the positioning ring 207 fixes one end of the bolt, it will continuously apply a certain pulling force to the bolt. In addition, the block 310 can be inserted into the connecting column 309 corresponding to different fixing rings 311. At this time, the connecting column 309 and the slider 305 are connected as a whole. Therefore, during the movement of the slider 305, the connecting column 309 will be driven to move. At the same time, the resistance spring 308 connected to the outer wall of the connecting column 309 will generate resistance to the movement of the slider 305 due to its fixation with the connecting block 208. Therefore, the motor 301 can give the bolt a greater pulling force, and then the pulling force can be increased according to how much the block 310 is inserted.
[0045] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
[0046] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. A bolt tensile testing machine, comprising a support mechanism (1), characterized in that: The support mechanism (1) comprises an operating table (101), the outer wall of the operating table (101) is fixedly connected to a base (102), the outer wall of the operating table (101) is provided with a fixing mechanism (2), the fixing mechanism (2) comprises a connecting ring (201), the inner wall of the connecting ring (201) is rotatably connected to a bidirectional threaded rod (203), the outer wall of the base (102) is provided with a pulling mechanism (3), the pulling mechanism (3) comprises a slider (305), the inner wall of the slider (305) is provided with a fixing hole (306), and the outer wall of the slider (305) is slidably connected to the inner wall of the operating table (101).
2. A bolt tensile testing machine according to claim 1, characterized in that: The inner wall of the operating table (101) is provided with a limiting groove (103), the outer wall of the operating table (101) is fixedly connected with a rotating seat (104), and the outer wall of the rotating seat (104) is hinged with a protective cover (105).
3. A bolt tensile testing machine according to claim 2, characterized in that: The outer wall of the bidirectional threaded rod (203) is fixedly connected to a plurality of handles (202), and the outer wall of the bidirectional threaded rod (203) is slidably connected to a plurality of movable rings (204).
4. A bolt tensile testing machine according to claim 3, characterized in that: The outer wall of the movable ring (204) is fixedly connected to a fixed block (205), the inner wall of the fixed block (205) is provided with a positioning groove (206), the inner wall of the operating table (101) is fixedly connected to a positioning ring (207), the outer wall of the positioning ring (207) is fixedly connected to a connecting block (208), and the outer wall of the connecting block (208) is slidably connected to the inner wall of the slider (305).
5. A bolt tensile testing machine according to claim 4, characterized in that: The outer wall of the slider (305) is fixedly connected to an extension rod (303), the outer wall of the extension rod (303) is slidably connected to a hollow rod (302), and the outer wall of the hollow rod (302) is fixedly connected to the outer wall of the operating table (101).
6. A bolt tensile testing machine according to claim 5, characterized in that: The inner wall of the slider (305) is provided with a sliding groove (313), the outer wall of the operating table (101) is fixedly connected to the motor (301), the bottom output shaft of the motor (301) is fixedly connected to the rotating shaft (312) through a coupling, the outer wall of the rotating shaft (312) is fixedly connected to the threaded rod (304), and the outer wall of the threaded rod (304) is slidably connected to the inner wall of the fixing hole (306).
7. A bolt tensile testing machine according to claim 6, characterized in that: The outer wall of the slider (305) is fixedly connected to a plurality of connecting tubes (307), the inner walls of the plurality of connecting tubes (307) are fixedly connected to connecting columns (309), the outer walls of the connecting columns (309) are fixedly connected to resistance springs (308), and the outer wall of the resistance springs (308) is fixedly connected to the connecting block (208).
8. A bolt tensile testing machine according to claim 7, characterized in that: The inner wall of the connecting column (309) is provided with a positioning hole (314), the inner wall of the connecting column (309) is slidably connected to a clamping block (310), the outer wall of the clamping block (310) is slidably connected to a fixing ring (311), and the outer wall of the fixing ring (311) is fixedly connected to the outer wall of the connecting pipe (307).