A tensile performance test device for expansion bolts

Abstract

The present invention relates to an expansion bolt tensile performance test device applied to the field of bolt tensile test technology, comprising an equipment platform, an assembly frame, a test board, a screw hole, an expansion bolt, a tensile test module, an assembly rotation platform, a disassembly module, a pliers knife assembly and a swing cylinder. The present invention fixes the expansion bolt on the test board, and then the tensile test module applies a tensile force to the bolt end of the expansion bolt until the expansion bolt is deformed, and the test operation is stopped to obtain the maximum tensile test data of the expansion bolt to detect the tensile test capacity of the expansion bolt. After the test is completed, the expansion bolt is deformed, and the disassembly module presses the pliers knife assembly to the deformed expansion bolt, and uses the pliers knife assembly to plane the expansion sleeve of the expansion bolt. Two disassembly modules swing in opposite directions, one of the two disassembly modules remains fixed, and the other disassembly module swings left and right to pry open the expansion sleeve, so as to facilitate the disassembly of the deformed expansion bolt and effectively improve the experimental test efficiency.

Description

Technical Field

[0001] The invention relates to a tensile performance testing device, in particular to an expansion bolt tensile performance testing device applied to the technical field of bolt tensile testing. Background Art

[0002] The tensile test of expansion bolts is an important part of ensuring their quality and reliability. The main purpose of the test is to evaluate the performance of expansion bolts when subjected to tensile force. When conducting tensile tests, professional tensile testing machines are usually used. During the test, the tensile force applied to the expansion bolts is gradually increased until the predetermined test standard is reached or the bolts are damaged.

[0003] The specification of Chinese invention patent CN202223568474.5 discloses "An expansion bolt tension detector". The expansion bolts are installed on a dielectric plate for tension testing. Since the dielectric plate is slidably connected to the base plate by a T-shaped slide bar, it can be easily removed by removing the locking bolts, and then dielectric plates of different materials can be replaced to meet various detection needs and have better adaptability.

[0004] When the expansion bolt is undergoing a resistance test, the tensile force applied to the expansion bolt is gradually increased until the expansion bolt is deformed. This is mainly because the expansion sleeve of the expansion bolt is deformed. At this time, the expansion bolt cannot be disassembled normally due to the deformation. The deformed expansion bolt is difficult to remove from the test equipment, affecting the use of the test equipment. Summary of the invention

[0005] In view of the above-mentioned prior art, the technical problem to be solved by the present invention is that the expansion bolts cannot be disassembled in a conventional manner due to deformation, and the deformed expansion bolts are difficult to remove from the test equipment, which affects the use of the test equipment.

[0006] In order to solve the above problems, the present invention provides an expansion bolt tensile performance test device, comprising an equipment table, an assembly frame is movably connected to the bottom of the equipment table, a test plate is placed in the middle of the assembly frame, a screw hole is opened in the middle of the test plate, an expansion bolt is placed in the screw hole, and a tensile test module is fixedly connected to the top of the equipment table, and the output end of the tensile test module corresponds to the screw end of the expansion bolt;

[0007] The bottom of the assembly frame is fixedly connected to a rotating table, and the left and right ends of the rotating table are rotatably connected to the disassembly modules. The output end of the disassembly module is fixedly connected to a pliers knife assembly, and the pliers knife assembly corresponds to the expansion bolt. The left and right ends of the assembly frame are hinged with swing cylinders, and the output end of the swing cylinder is hinged to the tail end of the disassembly module.

[0008] In the above-mentioned expansion bolt tensile performance test equipment, the expansion bolt is fixed on the test plate, and then the tensile test module applies tensile force to the bolt of the expansion bolt to detect the tensile capacity of the expansion bolt. After the test, the disassembly module presses the pliers knife assembly against the deformed expansion bolt and planes the expansion sleeve of the expansion bolt to facilitate the disassembly of the deformed expansion bolt, thereby effectively improving the experimental detection efficiency.

[0009] As a further improvement of the present application, a slot is provided at the blade end of the pliers knife assembly, and a replacement knife is inserted into the slot. By replacing the replacement knife, the sharpness of the pliers knife assembly is maintained, thereby effectively improving the effect of removing the expansion bolt sleeve.

[0010] As a further improvement of the present application, the bottom end of the replacement tool is fixedly connected with a spring, the top end of the replacement tool is provided with an inclined guide groove, the sharp end of the replacement tool is serrated, and the spring is utilized to lift the replacement tool upward, thereby facilitating the removal of the replacement tool. When the serrated replacement tool descends along the inclined guide groove, it effectively improves the dissection effect on the expansion sleeve of the expansion bolt and provides a downward pulling force to the expansion sleeve, thereby facilitating the separation of the expansion sleeve from the screw.

[0011] As a further improvement of the present application, the top end of the pliers knife assembly is fixedly connected with a bolt, which is plugged into the oblique guide groove. By plugging the bolt into the oblique guide groove, the fixing effect of the replaceable tool is effectively improved.

[0012] As another improvement of the present application, a lifting module is fixedly connected to the bottom of the equipment table, and the output end of the lifting module is fixedly connected to the middle of the assembly frame. The lifting module drives the assembly frame to rise and fall, thereby facilitating the replacement operation of the test board on the assembly frame.

[0013] As another improved supplement of the present application, a flip plate is hinged in the middle of the assembly frame, a placement slot is opened in the middle of the flip plate, the test board corresponds to the placement slot, and the test board is fixed through the placement slot, which effectively improves the fixing effect of the test board.

[0014] As another improvement supplement of the present application, sliding rails are provided on both ends of the flip plate, and pressure beams are slidably connected between the two ends of the two sliding rails. The two pressure beams correspond to the upper surface of the test plate. By retracting the two pressure beams and moving the pressure beams to the top of the test plate, the fixing effect of the test plate is effectively improved, thereby improving the stability during the detection process.

[0015] As another improvement of the present application, the four corners of the test board are fixedly connected with stacking columns, and the inside of the placement groove is equidistantly arranged with stacking holes, which are plug-in corresponding to the stacking columns. The stacking columns are inserted into the stacking holes to effectively improve the fixing effect of the test board.

[0016] As another improved supplement of the present application, a window is opened in the middle of the placement groove, the code holes are arranged around the upper opening of the window, the stacking columns are inserted into the code holes at specific positions, the placement position of the test board is adjusted, and the screw holes on the test board are aligned with the tensile measurement module.

[0017] As another improvement supplement to the present application, the number of screw holes is set to be multiple, and the aperture sizes of the multiple screw holes are set to increase successively, the screw holes correspond vertically to the windows, and screw holes with different apertures are suitable for different types of expansion bolts, effectively improving the adaptability of the test equipment.

[0018] To summarize, the present invention fixes the expansion bolt on a test plate, and then the tensile testing module applies a tensile force to the bolt end of the expansion bolt to detect the tensile strength of the expansion bolt. After the test, the expansion bolt is deformed, and the disassembly module presses the pliers knife assembly toward the deformed expansion bolt, and uses the pliers knife assembly to plan away the expansion sleeve of the expansion bolt. At the same time, the swing cylinder pushes the disassembly module to swing left and right. By controlling the swinging direction of the disassembly module, the expansion sleeve is peeled off, which facilitates the disassembly of the deformed expansion bolt, thereby effectively improving the experimental detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural diagram of the first embodiment of the present application;

[0020] Figure 2 This is a three-dimensional structural diagram of the disassembled module and the swing cylinder in the first embodiment of the present application;

[0021] Figure 3 This is a three-dimensional structural diagram of the assembly frame of the first embodiment of the present application;

[0022] Figure 4 This is a cross-sectional view of a disassembled module according to the first embodiment of the present application;

[0023] Figure 5 This is a top view of the disassembled module and the swing cylinder according to the first embodiment of the present application;

[0024] Figure 6 This is a three-dimensional structural diagram of a disassembled module according to the first embodiment of the present application;

[0025] Figure 7 This is a three-dimensional structural diagram of a pliers knife assembly according to a first embodiment of the present application;

[0026] Figure 8 This is a demonstration diagram of the descending movement of the assembly frame according to the second embodiment of the present application;

[0027] Fig. 9 This is a three-dimensional exploded view of the flip plate and the test plate of the second embodiment of the present application;

[0028] Fig.10This is a bottom view of the stacking column according to the second embodiment of the present application.

[0029] Description of the numbers in the figure:

[0030] 1. Equipment table; 2. Assembly frame; 201. Lifting module; 202. Flip plate; 203. Placement slot; 204. Slide rail; 205. Pressure beam; 206. Stacking column; 207. Stacking hole; 208. Window; 3. Test plate; 301. Screw hole; 302. Expansion bolt; 4. Tensile measurement module; 5. Turntable; 501. Disassembly module; 502. Pliers and cutter assembly; 503. Swing cylinder; 504. Slot; 505. Replacement tool; 506. Spring; 507. Oblique guide groove; 508. Bolt. DETAILED DESCRIPTION

[0031] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0032] The first implementation method:

[0033] Figure 1-3 FIG. 1 shows a tensile performance test device for expansion bolts, comprising a device platform 1, an assembly frame 2 is movably connected to the bottom of the device platform 1, a test plate 3 is placed in the middle of the assembly frame 2, a screw hole 301 is opened in the middle of the test plate 3, an expansion bolt 302 is placed inside the screw hole 301, a tensile test module 4 is fixedly connected to the top of the device platform 1, and the output end of the tensile test module 4 corresponds to the screw end of the expansion bolt 302;

[0034] When conducting a tensile performance test on the expansion bolt 302, the expansion bolt 302 is fixed on the test plate 3, and then the tensile measuring module 4 applies a tensile force to the bolt end of the expansion bolt 302. The tensile measuring module 4 gradually increases the tensile force on the expansion bolt 302 until the expansion bolt 302 is deformed and the test operation is stopped to obtain the maximum tensile resistance data of the expansion bolt 302 to detect the tensile resistance of the expansion bolt 302.

[0035] Figure 4-6 As shown, a rotating platform 5 is fixedly connected to the bottom of the assembly frame 2, and the left and right ends of the rotating platform 5 are rotatably connected to the disassembly module 501, and the output end of the disassembly module 501 is fixedly connected to the clamp knife assembly 502, and the clamp knife assembly 502 corresponds to the expansion bolt 302. The left and right ends of the assembly frame 2 are hinged with a swing cylinder 503, and the output end of the swing cylinder 503 is hinged to the tail end of the disassembly module 501;

[0036] After the detection is completed, the expansion sleeve of the expansion bolt 302 is deformed. At this time, the disassembly module 501 presses the pliers knife assembly 502 to the deformed expansion bolt 302, and uses the pliers knife assembly 502 to scrape open the expansion sleeve of the expansion bolt 302. At the same time, the swing cylinder 503 pushes the disassembly module 501 to swing left and right. By controlling the swinging direction of the disassembly module 501, such as the swinging of the two disassembly modules 501 in opposite directions, one of the two disassembly modules 501 remains fixed, and the other disassembly module 501 swings left and right to pry open the expansion sleeve, thereby facilitating the disassembly of the deformed expansion bolt 302 and effectively improving the experimental detection efficiency.

[0037] Figure 5-7 As shown, a slot 504 is provided at the blade end of the pliers knife assembly 502, and a replacement knife 505 is inserted in the slot 504. By replacing the replacement knife 505, the sharpness of the pliers knife assembly 502 is maintained, thereby effectively improving the effect of removing the expansion sleeve of the expansion bolt 302. The bottom end of the replacement knife 505 is fixedly connected to a spring 506, and the top end of the replacement knife 505 is provided with an oblique guide groove 507. The sharp end of the replacement knife 505 is serrated, and the spring 506 is used to realize replacement. The upward lifting of the tool 505 facilitates the removal of the replacement tool 505. When the serrated replacement tool 505 descends along the oblique guide groove 507, it effectively improves the dissection effect on the expansion sleeve of the expansion bolt 302, and provides a downward pulling force on the expansion sleeve, which facilitates the separation of the expansion sleeve from the screw. The top of the pliers and knife assembly 502 is fixedly connected with a stud 508, and the stud 508 is plugged into the oblique guide groove 507. By plugging the stud 508 into the oblique guide groove 507, the fixing effect of the replacement tool 505 is effectively improved.

[0038] By inserting the replacement tool 505 into the slot 504 of the pliers knife assembly 502, the sharpness of the pliers knife assembly 502 is maintained. When the pliers knife assembly 502 presses against the deformed expansion bolt 302, the pliers knife assembly 502 descends along the inclined guide groove 507 according to the reaction pressure, and cooperates with the serrated setting to bite the expansion sleeve and pull it downward, thereby facilitating the separation of the expansion sleeve and the screw.

[0039] The second implementation method:

[0040] Compared with the first embodiment, this embodiment mainly adds a flip plate 202. The specific newly added structure is as follows, and the remaining structures are consistent with the first embodiment.

[0041] Figure 8-9As shown, a lifting module 201 is fixedly connected to the bottom of the equipment table 1, and the output end of the lifting module 201 is fixedly connected to the middle of the assembly frame 2. The lifting module 201 drives the assembly frame 2 to move up and down, which is convenient for replacing the test board 3 on the assembly frame 2. A flip plate 202 is hinged in the middle of the assembly frame 2, and a placement groove 203 is opened in the middle of the flip plate 202. The test board 3 corresponds to the placement groove 203. The test board 3 is fixed through the placement groove 203, which effectively improves the fixing effect of the test board 3. Slide rails 204 are opened at the left and right ends of the flip plate 202, and pressure beams 205 are slidably connected between the two ends of the two slide rails 204. The two pressure beams 205 correspond to the upper surface of the test board 3. By folding the two pressure beams 205, the pressure beam 205 is moved to the top of the test board 3, which effectively improves the fixing effect of the test board 3, thereby improving the stability during the detection process.

[0042] Before conducting the tensile performance test, select a suitable test plate 3 and place it into the test plate 3. Then close the pressure beam 205 on the slide rail 204 and move the pressure beam 205 to the top of the test plate 3 to reinforce the test plate 3, thereby improving the stability during the test. Then flip the flip plate 202 and place it into the assembly frame 2. The lifting module 201 pushes the assembly frame 2 up to the bottom of the equipment table 1 to prepare for operation during the test.

[0043] Figure 9-10 As shown, the four corners of the test board 3 are fixedly connected with stacking columns 206, and the inside of the placement groove 203 is equidistantly arranged with code holes 207, and the code holes 207 are plugged into and correspond to the stacking columns 206. The stacking columns 206 are inserted into the code holes 207, which effectively improves the fixing effect of the test board 3. A window 208 is opened in the middle of the placement groove 203, and the code holes 207 are arranged around the upper opening of the window 208. The stacking columns 206 are inserted into the code holes 207 at specific positions, and the placement position of the test board 3 is adjusted. The screw holes 301 on the test board 3 are aligned with the tensile measurement module 4. The number of screw holes 301 is set to multiple, and the aperture sizes of the multiple screw holes 301 are set to increase in sequence. The screw holes 301 correspond vertically to the windows 208. The screw holes 301 with different apertures are adapted to different types of expansion bolts 302, which effectively improves the adaptability of the test equipment.

[0044] After selecting the test board 3, when placing the test board 3 into the placement slot 203, the designated screw hole 301 on the test board 3 is vertically aligned with the tensile measurement module 4. The aperture of the designated screw hole 301 matches the expansion bolt 302 to be tested. According to the alignment, the stacking column 206 is accurately inserted into the designated stacking hole 207, and the placement position of the fixed test board 3 is adjusted to effectively improve the stability of the test board 3.

[0045] In view of current practical needs, the above-mentioned implementation mode adopted in this application is not limited to the scope of protection. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the scope of protection of the present invention.

Claims

1. An expansion bolt tensile performance test device, characterized in that: The device comprises an equipment platform (1), wherein the bottom of the equipment platform (1) is movably connected to an assembly frame (2), a test plate (3) is placed in the middle of the assembly frame (2), a screw hole (301) is opened in the middle of the test plate (3), an expansion bolt (302) is placed inside the screw hole (301), and a tensile measurement module (4) is fixedly connected to the top of the equipment platform (1), and the output end of the tensile measurement module (4) corresponds to the screw end of the expansion bolt (302); The bottom of the assembly frame (2) is fixedly connected to a rotating platform (5), the left and right ends of the rotating platform (5) are rotatably connected to a disassembly module (501), the output end of the disassembly module (501) is fixedly connected to a pliers assembly (502), the pliers assembly (502) corresponds to the expansion bolt (302), the left and right ends of the assembly frame (2) are hinged to a swing cylinder (503), the output end of the swing cylinder (503) is hinged to the tail end of the disassembly module (501); A slot (504) is provided at the blade end of the pliers blade assembly (502), a replacement blade (505) is inserted into the slot (504), a spring (506) is fixedly connected to the bottom end of the replacement blade (505), an oblique guide groove (507) is provided at the top end of the replacement blade (505), the sharp end of the replacement blade (505) is serrated, and a bolt (508) is fixedly connected to the top end of the pliers blade assembly (502), and the bolt (508) is inserted into the oblique guide groove (507).

2. The expansion bolt tensile performance test equipment according to claim 1, characterized in that: A lifting module (201) is fixedly connected to the bottom of the equipment platform (1), and an output end of the lifting module (201) is fixedly connected to the middle of the assembly frame (2).

3. The expansion bolt tensile performance test equipment according to claim 1, characterized in that: A flip plate (202) is hingedly connected in the middle of the assembly frame (2), a placement groove (203) is provided in the middle of the flip plate (202), and the test plate (3) corresponds to the placement groove (203).

4. The expansion bolt tensile performance test equipment according to claim 3, characterized in that: Slide rails (204) are provided at both left and right ends of the flip plate (202), and pressure beams (205) are slidably connected between the two ends of the two slide rails (204), and the two pressure beams (205) correspond to the upper surface of the test plate (3).

5. The expansion bolt tensile performance test equipment according to claim 3, characterized in that: The four corners of the test plate (3) are fixedly connected with stacking columns (206), and the interior of the placement slot (203) is provided with stacking holes (207) arranged at equal intervals, and the stacking holes (207) are plugged into and correspond to the stacking columns (206).

6. The expansion bolt tensile performance test equipment according to claim 5, characterized in that: A window (208) is provided in the middle of the placement groove (203), and the code holes (207) are arranged around the upper opening of the window (208).

7. The expansion bolt tensile performance test equipment according to claim 6, characterized in that: The number of the screw holes (301) is set to be multiple, and the aperture sizes of the multiple screw holes (301) are set to increase in sequence, and the screw holes (301) vertically correspond to the windows (208).

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