Positioning clamp for bolt fracture detection

Abstract

The utility model discloses a positioning fixture for bolt fracture detection, which belongs to the technical field of bolt fixtures and comprises a device base, supporting plates are fixedly connected to two sides of the top end of the device base, a top plate is fixedly connected to the top ends of the two supporting plates, and clamping assemblies are arranged at the bottom ends of the inner sides of the two supporting plates. A clamping assembly is arranged at the top end of the device base, a positioning assembly is arranged on the inner side of the clamping assembly, a fixing assembly and an unlocking assembly are arranged in the positioning assembly, the clamping assembly and the positioning assembly are located at the top end of the device base, sliding assemblies are arranged at the top ends of the inner sides of the two supporting plates, and detection assemblies are arranged at the bottom ends of the sliding assemblies. The sliding assembly and the detection assembly are located at the top ends of the clamping assembly and the positioning assembly. According to the utility model, the bolt is placed at the inner side of the positioning assembly, so that the bolt is movably fixed through the clamping assembly at the inner side of the supporting plate, and then the sliding assembly drives the detection assembly to carry out fracture detection on the fixed bolt.

Description

Technical Field

[0001] The utility model belongs to the technical field of bolt clamps, and in particular relates to a positioning clamp for bolt fracture detection. Background Art

[0002] A bolt is a mechanical part, a cylindrical threaded fastener that is matched with a nut. A type of fastener consisting of a head and a screw (a cylinder with external threads), which needs to be matched with a nut to fasten two parts with through holes. This type of connection is called a bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection. There are a large number of bolt connections in the real engineering field. Due to various factors, the bolts loosen, fall off, break, and other failures will reduce the strength of the connection structure, and the falling parts will endanger the operating equipment and personnel safety. It is necessary to find the broken bolts in the shortest time so as to carry out maintenance and prevent the remaining bolts from further breaking and endangering the safety of personnel and equipment.

[0003] The bolt fracture detection device with patent announcement number CN219574009U in the prior art includes a bolt; a nut block is fixedly connected to one side of the bolt, and a detection device is arranged in a notch on one side of the nut block; the detection device includes a tube body, a fixing frame is fixedly connected to one side of the tube body, an ultrasonic detection head is fixedly connected to the inner side of the fixing frame, and the ultrasonic detection head is fitted with the nut block, a controller is fixedly connected to one side of the ultrasonic detection head, an external tube is fixedly connected to one side of the controller, and the external tube is adapted to the ultrasonic detection head.

[0004] However, the operation of the device is cumbersome when testing bolts, and the bolts are not fixed stably during testing, resulting in inaccurate test data. Therefore, a positioning fixture for bolt fracture detection is needed to solve the problems existing in the prior art. Utility Model Content

[0005] The utility model aims to provide a positioning fixture for detecting bolt fracture, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning fixture for bolt fracture detection, comprising a device base, support plates are fixedly connected to both sides of the top of the device base, top plates are fixedly connected to the tops of the two support plates, clamping components are arranged at the inner bottom ends of the two support plates, a positioning component is arranged on the inner side of the clamping component, a fixing component and an unlocking component are arranged inside the positioning component, the clamping component and the positioning component are located at the top of the device base, a sliding component is arranged at the inner top ends of the two support plates, a detection component is arranged at the bottom end of the sliding component, and the sliding component and the detection component are located at the top ends of the clamping component and the positioning component.

[0007] As a preferred embodiment, the clamping assembly includes a rotating rod, which is rotatably connected to the inner side of the bottom end of the support plate, a knob is fixedly connected to the outer side of the rotating rod, a blocking buckle is fixedly connected to the inner top of the rotating rod, a threaded plate is slidably connected to the outer surface of the rotating rod, an upper support horizontal plate and a lower support horizontal plate are fixedly connected to the inner side of the threaded plate, the upper support horizontal plate and the lower support horizontal plate are located on the upper and lower sides of the rotating rod, and vertical plates are fixedly connected to the inner sides of the upper support horizontal plate and the lower support horizontal plate.

[0008] As a preferred embodiment, the positioning assembly includes a fixed seat, the bottom end of the fixed seat is fixedly connected to a vertical plate, the top of the fixed seat is provided with a connecting groove, the outer surface of the fixed seat is provided with connecting holes on both sides, the top of the connecting hole is arc-shaped, the inner surface of the connecting groove is slidably connected to a connecting column, the top of the connecting column is fixedly connected to a clamp, and the inner surface of the clamp is provided with a threaded hole.

[0009] As a preferred embodiment, the fixing assembly includes a mounting hole, the mounting hole is opened on both sides of the outer surface of the connecting column, and sliding grooves are opened on both sides of the inner surface of the mounting hole, a telescopic spring is fixedly connected to the bottom end of the inner surface of the mounting hole, a connecting block is fixedly connected to the top of the telescopic spring, and blocking blocks are fixedly connected to both sides of the outer surface of the connecting block, the two blocking blocks slide in the sliding groove, the top of the connecting block is semicircular, and the connecting block and the connecting hole are clamped with each other.

[0010] As a preferred embodiment, the sliding assembly includes a driving motor, which is mounted on the outer surface of the left support plate, and the output end of the driving motor is fixedly connected to a screw rod, and the two ends of the screw rod are rotatably connected on the inner sides of the two support plates, and the outer surface of the screw rod is slidably connected to a slider.

[0011] As a preferred embodiment, the detection component includes a hydraulic cylinder, the top end of the hydraulic cylinder is fixedly connected to the bottom end of the slider, the bottom end of the hydraulic cylinder is slidably connected to a support column, the bottom end of the support column is fixedly connected to a detection device, the outer surface of the detection device is provided with a liquid crystal display, the bottom end of the detection device is fixedly connected to an external pipe, the interior of the external pipe is provided with a connecting cavity, the bottom end of the connecting cavity is fixedly connected to a fixed block, the bottom end of the fixed block is fixedly connected to a spring, and the bottom end of the spring is fixedly connected to an ultrasonic detection head.

[0012] As a preferred embodiment, the unlocking component includes a sliding groove, which is opened on both sides of the connecting groove, and the connecting groove is slidably connected to a pressing rod inside, and the outer surface of the pressing rod is fixedly connected to a blocking ring, and the bottom end of the blocking ring is fixedly connected to a pressing spring, and the bottom end of the pressing spring is fixedly connected to the bottom end of the inner surface of the sliding groove, and the blocking ring slides in the sliding groove.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] 1. Through the positioning component, the clamp is selected according to the thickness of the bolt to be tested, so that the connecting column and the connecting groove are fixed left and right through the fixing component, thereby improving the stability of the device in fixing the bolt. Through the threaded holes opened on the inner surface of the clamp, the threads on the outer surface of the bolt and the threaded holes are engaged with each other, so that the bolt will not slide up and down during fracture detection, resulting in inaccurate detection data, thereby improving the practicality of the device.

[0015] 2. Through the fixing component, the connecting column is slidably connected in the connecting groove, so that the top end of the connecting block abuts against the inner surface of the connecting groove under the thrust of the telescopic spring, so that after the connecting column slides to a suitable position, the connecting block enters the connecting hole, so that the connecting block and the connecting hole are fixed to each other, thereby fixing the connecting column in the connecting groove. Since the top end of the connecting block is semicircular and the top end of the connecting hole is arc-shaped, the connecting block can move in and out of the connecting hole freely, thereby preventing damage caused by jamming during fixing and disassembly, thereby improving the practicality of the device.

[0016] 3. Through the sliding assembly, the slider drives the detection assembly to move left and right under the action of the driving motor, so that the position of the ultrasonic detection head can be adjusted at any time according to the position of the clamping assemblies on the left and right sides for positioning and fixing the bolts, thereby improving the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a front view structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic cross-sectional structural diagram of the positioning component of the utility model;

[0020] Figure 4 This is a schematic cross-sectional structural diagram of a fixing component of the utility model;

[0021] Figure 5 This is a schematic cross-sectional view of the unlocking component of the utility model;

[0022] Figure 6 It is a schematic cross-sectional structural diagram of the detection component of the utility model.

[0023] In the figure: 1, device base; 2, support plate; 3, top plate; 4, clamping assembly; 401, rotating rod; 402, knob; 403, blocking buckle; 404, threaded plate; 405, supporting upper horizontal plate; 406, supporting lower horizontal plate; 407, vertical plate; 5, positioning assembly; 501, fixing seat; 502, connecting groove; 503, connecting hole; 504, connecting column; 505, clamp; 506, threaded hole; 6, fixing assembly; 601, mounting hole; 602, slide groove; 603, telescopic spring ; 604, connecting block; 605, blocking block; 7, sliding assembly; 701, driving motor; 702, screw rod; 703, slider; 8, detection assembly; 801, hydraulic cylinder; 802, support column; 803, detection device; 804, LCD screen; 805, external tube; 806, connecting cavity; 807, fixing block; 808, spring; 809, ultrasonic detection head; 9, unlocking assembly; 901, sliding groove; 902, pressing rod; 903, blocking ring; 904, pressing spring. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the embodiments.

[0025] See also Figure 1-6 The utility model provides a positioning fixture for bolt fracture detection, including a device base 1, support plates 2 are fixedly connected to both sides of the top of the device base 1, top plates 3 are fixedly connected to the tops of the two support plates 2, clamping components 4 are arranged at the inner bottom ends of the two support plates 2, a positioning component 5 is arranged on the inner side of the clamping component 4, a fixing component 6 and an unlocking component 9 are arranged inside the positioning component 5, the clamping component 4 and the positioning component 5 are located at the top of the device base 1, a sliding component 7 is arranged at the inner top ends of the two support plates 2, a detection component 8 is arranged at the bottom end of the sliding component 7, and the sliding component 7 and the detection component 8 are located at the top ends of the clamping component 4 and the positioning component 5.

[0026] Further as Figure 1 , Figure 2 and Figure 3 As shown, the clamping assembly 4 includes a rotating rod 401, which is rotatably connected to the inner side of the bottom end of the support plate 2, a knob 402 is fixedly connected to the outer side of the rotating rod 401, a blocking buckle 403 is fixedly connected to the inner top of the rotating rod 401, a threaded plate 404 is slidably connected to the outer surface of the rotating rod 401, an upper supporting horizontal plate 405 and a lower supporting horizontal plate 406 are fixedly connected to the inner side of the threaded plate 404, the upper supporting horizontal plate 405 and the lower supporting horizontal plate 406 are located on the upper and lower sides of the rotating rod 401, and a vertical plate 407 is fixedly connected to the inner sides of the upper supporting horizontal plate 405 and the lower supporting horizontal plate 406.

[0027] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that the positioning component 5 includes a fixed seat 501, the bottom end of the fixed seat 501 is fixedly connected to the vertical plate 407, the top of the fixed seat 501 is provided with a connecting groove 502, the outer surface of the fixed seat 501 is provided with connecting holes 503 on both sides, the top of the connecting hole 503 is arc-shaped, the inner surface of the connecting groove 502 is slidably connected to a connecting column 504, the top of the connecting column 504 is fixedly connected to a clamp 505, and the inner surface of the clamp 505 is provided with a threaded hole 506.

[0028] Further as Figure 3 and Figure 4 As shown, it is worth specifically explaining that the fixing component 6 includes a mounting hole 601, the mounting hole 601 is opened on both sides of the outer surface of the connecting column 504, and slide grooves 602 are opened on both sides of the inner surface of the mounting hole 601, and a telescopic spring 603 is fixedly connected to the bottom end of the inner surface of the mounting hole 601, and a connecting block 604 is fixedly connected to the top of the telescopic spring 603, and blocking blocks 605 are fixedly connected to both sides of the outer surface of the connecting block 604, and the two blocking blocks 605 slide in the slide groove 602, and the top of the connecting block 604 is semicircular, and the connecting block 604 and the connecting hole 503 are mutually engaged.

[0029] Further as Figure 1 and Figure 2 As shown, it is worth explaining in detail that the sliding assembly 7 includes a driving motor 701, which is mounted on the outer surface of the left support plate 2, and the output end of the driving motor 701 is fixedly connected to a screw rod 702, both ends of the screw rod 702 are rotatably connected on the inner sides of the two support plates 2, and the outer surface of the screw rod 702 is slidably connected to a slider 703.

[0030] Further as Figure 1 Figure 2 and Figure 6 As shown, it is worth specifically explaining that the detection component 8 includes a hydraulic cylinder 801, the top of the hydraulic cylinder 801 is fixedly connected to the bottom of the slider 703, the bottom of the hydraulic cylinder 801 is slidably connected to a support column 802, the bottom of the support column is fixedly connected to a detection device 803, the outer surface of the detection device 803 is provided with a liquid crystal display 804, the bottom end of the detection device 803 is fixedly connected to an external tube 805, the interior of the external tube 805 is provided with a connecting cavity 806, the bottom end of the connecting cavity 806 is fixedly connected to a fixing block 807, the bottom end of the fixing block 807 is fixedly connected to a spring 808, and the bottom end of the spring 808 is fixedly connected to an ultrasonic detection head 809.

[0031] Further as Figure 3 and Figure 4As shown, it is worth explaining in detail that the unlocking component 9 includes a sliding groove 901, which is opened on both sides of the inside of the connecting groove 502, and the inside of the connecting groove 502 is slidably connected with a pressing rod 902, and the outer surface of the pressing rod 902 is fixedly connected with a blocking ring 903, and the bottom end of the blocking ring 903 is fixedly connected with a pressing spring 904, and the bottom end of the pressing spring 904 is fixedly connected to the bottom end of the inner surface of the sliding groove 901, and the blocking ring 903 slides in the sliding groove 901.

[0032] The present invention has the following working process: firstly, a suitable clamp 505 is selected according to the thickness of the bolt to be tested for fracture, so that the threaded hole 506 on the inner surface of the clamp 505 matches the thread on the outer surface of the bolt, so that the connecting column 504 at the bottom end of the clamp 505 is slid into the connecting groove 502, so that the top end of the connecting block 604 abuts against the inner surface of the connecting groove 502 under the thrust of the telescopic spring 603, so that after the connecting column 504 slides to a suitable position, the connecting block 604 enters the connecting hole 503, so that The connecting block 604 and the connecting hole 503 are fixed to each other, so that the connecting column 504 is fixed in the connecting groove 502, so that the knob 402 is rotated, so that the knob 402 drives the rotating rod 401 to rotate, so that the rotating rod 401 drives the threaded plate 404 to slide inward, so that the threaded plate 404 drives the positioning assembly 5 to slide inward, so that the clamps 505 on the left and right sides fix the bolts, so that the drive motor 701 is started and its output end drives the screw rod 702 to rotate, so that the screw rod 702 drives the slider 703 The slider 703 moves, so that the detection assembly 8 moves to a suitable detection position, so that the driving motor 701 is turned off and the hydraulic cylinder 801 is started, so that the hydraulic cylinder 801 drives the support column 802 at the bottom to move downward, so that the support column 802 drives the detection device 803 at the bottom to move downward, so that the ultrasonic detection head 809 set at the bottom of the detection device 803 abuts against the top of the bolt, so that the ultrasonic detection head 809 performs fracture detection on the bolt, and transmits the detected data back to the detection device 803, so that The test result is displayed on the LCD screen 804. When the bolt test is completed and the clamp 505 needs to be replaced, the unlocking component 9 is used to press the pressing rod 902 on both sides of the fixing seat 501, so that the pressing rod 902 moves inward under the action of pressure, so that the pressing rod 902 presses the connecting block 604 back into the mounting hole 601, thereby disengaging the connecting block 604 from the connecting hole 503, thereby separating the connecting column 504 and the connecting groove 502, and releasing the pressing rod to return it to its initial position under the elastic force of the pressing spring.

[0033] According to the above working process, it can be known that: through the positioning component 5, the clamp 505 is selected according to the thickness of the bolt to be detected, so that the connecting column 504 and the connecting groove 502 are fixed left and right through the fixing component 6, thereby improving the stability of the device in fixing the bolt, and through the threaded hole 506 opened on the inner surface of the clamp 505, the thread on the outer surface of the bolt and the threaded hole 506 are mutually engaged, so that the bolt will not slide up and down during the fracture detection, resulting in inaccurate detection data, thereby improving the practicality of the device, and through the fixing component 6, the connecting column 504 is slidably connected in the connecting groove 502, so that the top end of the connecting block 604 abuts against the inner surface of the connecting groove 502 under the thrust of the telescopic spring 603, so that when the connection After the column 504 slides to the appropriate position, the connecting block 604 enters the connecting hole 503, so that the connecting block 604 and the connecting hole 503 are fixed to each other, thereby fixing the connecting column 504 in the connecting groove 502. Since the top of the connecting block 604 is semicircular and the top of the connecting hole 503 is arc-shaped, the connecting block 604 can move in and out of the connecting hole 503 freely, thereby preventing damage caused by jamming during fixing and disassembly, thereby improving the practicality of the device, and allowing the slider 703 to drive the detection component 8 to move left and right under the action of the driving motor 701, so that the position of the ultrasonic detection head 809 can be adjusted at any time according to the position of the clamping components 4 on the left and right sides for positioning and fixing the bolts, thereby improving the convenience of the device.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A positioning fixture for bolt fracture detection, comprising a device base (1), characterized in that: Support plates (2) are fixedly connected to both sides of the top of the device base (1); top plates (3) are fixedly connected to the tops of the two support plates (2); clamping assemblies (4) are arranged at the inner bottom ends of the two support plates (2); a positioning assembly (5) is arranged on the inner side of the clamping assembly (4); a fixing assembly (6) and an unlocking assembly (9) are arranged inside the positioning assembly (5); the clamping assembly (4) and the positioning assembly (5) are located at the top of the device base (1); a sliding assembly (7) is arranged at the inner top ends of the two support plates (2); a detection assembly (8) is arranged at the bottom end of the sliding assembly (7); the sliding assembly (7) and the detection assembly (8) are located at the top ends of the clamping assembly (4) and the positioning assembly (5).

2. A bolt fracture detection positioning fixture according to claim 1, characterized in that: The clamping assembly (4) comprises a rotating rod (401), wherein the rotating rod (401) is rotatably connected to the inner side of the bottom end of the support plate (2), a knob (402) is fixedly connected to the outer side of the rotating rod (401), a blocking buckle (403) is fixedly connected to the inner top of the rotating rod (401), a threaded plate (404) is slidably connected to the outer surface of the rotating rod (401), an upper supporting horizontal plate (405) and a lower supporting horizontal plate (406) are fixedly connected to the inner side of the threaded plate (404), the upper supporting horizontal plate (405) and the lower supporting horizontal plate (406) are located at the upper and lower sides of the rotating rod (401), and a vertical plate (407) is fixedly connected to the inner sides of the upper supporting horizontal plate (405) and the lower supporting horizontal plate (406).

3. A positioning fixture for bolt fracture detection according to claim 1, characterized in that: The positioning assembly (5) comprises a fixing seat (501), the bottom end of the fixing seat (501) is fixedly connected to a vertical plate (407), the top end of the fixing seat (501) is provided with a connecting groove (502), the outer surface of the fixing seat (501) is provided with connecting holes (503) on both sides, the top end of the connecting hole (503) is arc-shaped, the inner surface of the connecting groove (502) is slidably connected to a connecting column (504), the top end of the connecting column (504) is fixedly connected to a clamp (505), and the inner surface of the clamp (505) is provided with a threaded hole (506).

4. A bolt fracture detection positioning fixture according to claim 3, characterized in that: The fixing assembly (6) comprises a mounting hole (601), wherein the mounting hole (601) is provided on both sides of the outer surface of the connecting column (504), and slide grooves (602) are provided on both sides of the inner surface of the mounting hole (601). A telescopic spring (603) is fixedly connected to the bottom end of the inner surface of the mounting hole (601), and a connecting block (604) is fixedly connected to the top end of the telescopic spring (603). Stopping blocks (605) are fixedly connected to both sides of the outer surface of the connecting block (604), and the two stopping blocks (605) slide in the slide grooves (602). The top end of the connecting block (604) is semicircular, and the connecting block (604) and the connecting hole (503) are mutually engaged.

5. The positioning fixture for bolt fracture detection according to claim 1, characterized in that: The sliding assembly (7) comprises a driving motor (701), the driving motor (701) being mounted on the outer surface of the left support plate (2), the output end of the driving motor (701) being fixedly connected to a screw rod (702), the two ends of the screw rod (702) being rotatably connected on the inner sides of the two support plates (2), and the outer surface of the screw rod (702) being slidably connected to a slider (703).

6. A bolt fracture detection positioning fixture according to claim 5, characterized in that: The detection assembly (8) comprises a hydraulic cylinder (801), the top end of the hydraulic cylinder (801) is fixedly connected to the bottom end of the slider (703), the bottom end of the hydraulic cylinder (801) is slidably connected to a support column (802), the bottom end of the support column is fixedly connected to a detection device (803), the outer surface of the detection device (803) is provided with a liquid crystal display (804), the bottom end of the detection device (803) is fixedly connected to an external pipe (805), the interior of the external pipe (805) is provided with a connecting cavity (806), the bottom end of the connecting cavity (806) is fixedly connected to a fixing block (807), the bottom end of the fixing block (807) is fixedly connected to a spring (808), and the bottom end of the spring (808) is fixedly connected to an ultrasonic detection head (809).

7. A bolt fracture detection positioning fixture according to claim 3, characterized in that: The unlocking component (9) comprises a sliding groove (901), wherein the sliding groove (901) is provided on both sides of the interior of the connecting groove (502), the interior of the connecting groove (502) is slidably connected with a pressing rod (902), the outer surface of the pressing rod (902) is fixedly connected with a blocking ring (903), the bottom end of the blocking ring (903) is fixedly connected with a pressing spring (904), the bottom end of the pressing spring (904) is fixedly connected to the bottom end of the inner surface of the sliding groove (901), and the blocking ring (903) slides in the sliding groove (901).

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