A highway guardrail bolt strength detection device with good applicability

Abstract

The invention discloses a highway guardrail bolt strength detection device with good applicability, comprising a base, a support frame, an upper fixing mechanism, a lower fixing mechanism, a tension sensor and a pulling mechanism, wherein the base is provided with a support frame and a lower fixing mechanism, the support frame is provided with a pulling mechanism, the working end of the pulling mechanism is provided with a tension sensor, the lower end of the tension sensor is provided with an upper fixing mechanism, the lower fixing mechanism comprises a frame body, a plurality of sliding bodies, an upper connecting seat, a plurality of half nuts, a tensioning mechanism, a plurality of connecting slide rods and a connecting body, the frame body can be slidably arranged on the base, and the upper side body and the lower side body of the frame body are both provided with slidable sliding bodies. Compared with the prior art, the device can improve work efficiency and applicability.

Description

[Technical field]

[0001] The invention relates to the technical field of fastener processing, in particular to the technical field of a highway guardrail bolt strength detection device with good applicability. [Background technology]

[0002] Bolt: A mechanical part, a cylindrical threaded fastener equipped with a nut. It is a type of fastener consisting of a head and a screw (a cylinder with external threads). It needs to be matched with a nut and is used 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.

[0003] At present, the strength grade test is generally carried out by screwing the bolts and nuts together and then clamping the bolts and nuts on a tensile testing machine, which has low work efficiency. Since the specifications of the bolts are different, they cannot be tested in the same equipment, so the applicability is poor. [Summary of the invention]

[0004] The purpose of the present invention is to solve the problems in the prior art and to provide a highway guardrail bolt strength detection device with good applicability, which can improve work efficiency and applicability.

[0005] To achieve the above-mentioned purpose, the present invention proposes a highway guardrail bolt strength detection device with good applicability, including a base, a support frame, an upper fixing mechanism, a lower fixing mechanism, a tension sensor and a pulling mechanism, the base is provided with a support frame and a lower fixing mechanism, the support frame is provided with a pulling mechanism, the working end of the pulling mechanism is provided with a tension sensor, the lower end of the tension sensor is provided with an upper fixing mechanism, the lower fixing mechanism includes a frame body, a plurality of sliding bodies, an upper connecting seat, a plurality of half nuts, a tensioning mechanism, a plurality of connecting slide rods and a connecting body, the frame body can be slidably arranged on the base, the upper side body and the lower side body of the frame body are provided with slidable sliding bodies, the sliding bodies described above correspond to the sliding bodies described below one by one, and the inner ends of the sliding bodies are provided with half nuts The nut and the two corresponding half nuts on the upper and lower sides are buckled together to form a nut, and each nut is suitable for a bolt of a certain specification. The upper end of the sliding body described above is fixedly connected to the upper connecting seat, and the lower end of the sliding body described below is fixedly connected to the lower connecting seat. The upper connecting seat is provided with a connecting slide rod that slides through the upper and lower sides of the frame body and the lower connecting seat. The lower end of the connecting slide rod is fixedly connected to the connecting body, and the outer side of the lower side body of the frame body is provided with a tensioning mechanism that forces the connecting body and the lower connecting seat to move in opposite directions. A tension spring is provided between the connecting body and the lower connecting seat. The upper fixing mechanism includes a mounting seat, a turntable and a plurality of T-slots. The mounting seat is provided with a rotatable turntable, and the circumferential surface of the turntable is provided with evenly distributed T-slots, and each T-slot is suitable for a bolt of a certain specification.

[0006] Preferably, the pulling mechanism is a hydraulic cylinder.

[0007] Preferably, the support frame is a gantry.

[0008] Preferably, the tensioning mechanism includes a cylinder, a cone, an upper seat and a lower seat, the upper end of the connecting body and the lower end of the lower connecting seat are respectively provided with a lower seat and an upper seat, the lower end of the lower seat and the upper end of the upper seat are both provided with grooves matching the cone, and a cone is provided on the piston rod of the cylinder.

[0009] Preferably, the depth of the wide slot section of the T-slot is twice the thickness of the screw head of the bolt matched therewith.

[0010] Preferably, the front side of the frame body is provided with a spring latch, and the base is provided with a plurality of slots matching with the latch of the spring latch, and all the slots are arranged in a row.

[0011] Beneficial effects of the present invention: The present invention arranges the sliding body described above in one-to-one correspondence with the sliding body described below, and the inner ends of the sliding bodies are each provided with a half nut. The two corresponding half nuts above and below are buckled together to form a nut, and each nut is suitable for a bolt of one specification; a rotatable turntable is provided on the mounting seat, and the circumferential surface of the turntable is provided with evenly distributed T-slots, and each T-slot is suitable for a bolt of one specification. It can be suitable for bolts of multiple specifications, and there is no need to screw the bolts and nuts together. Compared with the prior art, it can improve work efficiency and applicability.

[0012] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings.

Brief Description of the Drawings

[0013] Figure 1 It is a structural schematic diagram of a highway guardrail bolt strength detection device with good applicability of the present invention;

[0014] Figure 2 is a structural schematic diagram of the lower fixing mechanism;

[0015] Figure 3 It is a schematic diagram of T-slots arranged on a turntable.

[0016] In the figure: 1-base, 2-support frame, 3-upper fixing mechanism, 4-lower fixing mechanism, 5-tension sensor, 6-pulling mechanism, 7-slide pair, 31-mounting seat, 32-turntable, 33-T-slot, 41-frame body, 42-sliding body, 43-upper connecting seat, 44-lower connecting seat, 45-half nut, 46-tensioning mechanism, 47-connecting slide rod, 48-connecting body, 49-tension spring, 410-slot, 411-spring latch, 461-cylinder, 462-conical body, 463-upper seat body, 464-lower seat body, 465-groove. [Specific implementation method]

[0017] See also Figure 1 , Figure 2 and Figure 3The present invention provides a highway guardrail bolt strength detection device with good applicability, comprising a base 1, a support frame 2, an upper fixing mechanism 3, a lower fixing mechanism 4, a tension sensor 5 and a pulling mechanism 6, wherein the base 1 is provided with a support frame 2 and a lower fixing mechanism 4, the support frame 2 is provided with a pulling mechanism 6, the working end of the pulling mechanism 6 is provided with a tension sensor 5, the lower end of the tension sensor 5 is provided with an upper fixing mechanism 3, the lower fixing mechanism 4 comprises a frame body 41, a plurality of slide bodies 42, an upper connecting seat 43, a lower connecting seat 44, a plurality of half nuts 45, a tensioning mechanism 46, a plurality of connecting slide rods 47 and a connecting body 48, the frame body 41 is connected by a slideway The pair 7 is slidably arranged on the base 1, and a slidable sliding body 42 is arranged on the upper and lower sides of the frame body 41. The sliding body 42 described above corresponds to the sliding body 42 described below one by one. The inner ends of the sliding bodies 42 are provided with half nuts 45. The two corresponding half nuts 45 are buckled together to form a nut. Each nut is suitable for a bolt of a certain specification. The upper end of the sliding body 42 described above is fixedly connected to the upper connecting seat 43, and the lower end of the sliding body 42 described below is fixedly connected to the lower connecting seat 44. The upper connecting seat 43 is provided with a connecting slide rod 47 that is slidably penetrated on the upper and lower sides of the frame body 41 and the lower connecting seat 44. The lower end of the connecting slide rod 47 is fixedly connected to the connecting body 48. The outer side of the lower side of the frame body 41 is provided with a tensioning mechanism 46 forcing the connecting body 48 and the lower connecting seat 44 to move in the opposite direction. A tension spring 49 is provided between the connecting body 48 and the lower connecting seat 44. The upper fixing mechanism 3 includes a mounting seat 31, a turntable 32 and a plurality of T-slots 33. A rotatable turntable 32 is provided on the mounting seat 31. The circumference of the turntable 32 is provided with evenly distributed T-slots 33. Each T-slot 33 is suitable for a bolt of a certain specification. The pulling mechanism 6 is a hydraulic cylinder. The support frame 2 is a gantry. The tensioning mechanism 46 includes a cylinder 461, a cone 46 2. An upper seat body 463 and a lower seat body 464. The upper end of the connecting body 48 and the lower end of the lower connecting seat 44 are respectively provided with a lower seat body 464 and an upper seat body 463. The lower end of the lower seat body 464 and the upper end of the upper seat body 463 are both provided with a groove 465 that matches the conical body 462. A conical body 462 is provided on the piston rod of the cylinder 461. The depth of the wide groove section of the T-slot 33 is twice the thickness of the screw head of the bolt that matches it. The front side of the frame body 41 is provided with a spring latch 411. The base 1 is provided with a plurality of slots 410 that match the latch of the spring latch 411. All the slots 410 are arranged in a row.

[0018] Working process of the present invention:

[0019] In the working process of the highway guardrail bolt strength detection device with good applicability of the present invention, the corresponding T-slot 33 and the corresponding two half-nuts 45 are selected according to the specifications of the bolt, the turntable 32 is rotated to make the required T-slot 33 face downward, and then the frame body 41 is pushed forward or backward to make the required two upper and lower corresponding half-nuts 45 enter under the T-slot 33, and then the screw head end of the bolt is clamped into the T-slot 33 and the bolt is pulled downward to make the screw rod part enter between the corresponding two half-nuts 45, and then the piston rod of the cylinder 461 is started to extend to drive the cone 462 into the groove 465 moves, and at the same time, the conical body 462 forces the upper seat body 463 and the lower seat body 464 to move in the opposite direction, and the upper seat body 463 drives the lower sliding body 42 to move upward through the lower connecting seat 44, and the lower sliding body 42 drives the lower half nut 45 to move upward, and the lower seat body 464 drives the upper connecting seat 43 to move downward through the connecting slide rod 47, and the upper connecting seat 43 drives the upper half nut 45 to move downward through the upper sliding body 42, thereby locking the screw part of the bolt, and then start the piston rod of the hydraulic cylinder to retract, and drive the upper fixing mechanism 3 to move upward through the tension sensor 5 to detect the strength of the bolt.

[0020] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims

1. A highway guardrail bolt strength detection device with good applicability, characterized by: The invention comprises a base (1), a support frame (2), an upper fixing mechanism (3), a lower fixing mechanism (4), a tension sensor (5) and a pulling mechanism (6), wherein the base (1) is provided with a support frame (2) and a lower fixing mechanism (4), the support frame (2) is provided with a pulling mechanism (6), a working end of the pulling mechanism (6) is provided with a tension sensor (5), the lower end of the tension sensor (5) is provided with an upper fixing mechanism (3), and the lower fixing mechanism (4) comprises a frame body (41), a plurality of slides (42) and a plurality of sliding bodies (42). , an upper connecting seat (43), a lower connecting seat (44), a plurality of half nuts (45), a tensioning mechanism (46), a plurality of connecting slide rods (47) and a connecting body (48), the frame body (41) is slidably arranged on the base (1), the upper body and the lower body of the frame body (41) are both provided with slidable sliding bodies (42), the upper sliding body (42) corresponds to the lower sliding body (42) one by one, the inner ends of the sliding bodies (42) are both provided with half nuts (45), and the two corresponding upper and lower half nuts (45) are respectively provided with half nuts (45). The side nuts (45) are buckled together to form a nut, and each nut is suitable for a bolt of a certain specification. The upper end of the sliding body (42) described above is fixedly connected to the upper connecting seat (43), and the lower end of the sliding body (42) described below is fixedly connected to the lower connecting seat (44). The upper connecting seat (43) is provided with a connecting slide rod (47) that is slidably penetrated on the upper and lower side bodies of the frame body (41) and the lower connecting seat (44). The lower end of the connecting slide rod (47) is fixedly connected to the connecting body (48). The frame body The outer side of the lower side body (41) is provided with a tensioning mechanism (46) for forcing the connecting body (48) and the lower connecting seat (44) to move in opposite directions. A tension spring (49) is provided between the connecting body (48) and the lower connecting seat (44). The upper fixing mechanism (3) comprises a mounting seat (31), a rotating disk (32) and a plurality of T-slots (33). The mounting seat (31) is provided with a rotatable rotating disk (32). The circumference of the rotating disk (32) is provided with evenly distributed T-slots (33). Each T-slot (33) is suitable for A bolt of a certain specification, wherein the tensioning mechanism (46) comprises a cylinder (461), a conical body (462), an upper seat body (463) and a lower seat body (464); the upper end of the connecting body (48) and the lower end of the lower connecting seat (44) are respectively provided with a lower seat body (464) and an upper seat body (463); the lower end of the lower seat body (464) and the upper end of the upper seat body (463) are both provided with a groove (465) matching the conical body (462); and the piston rod of the cylinder (461) is provided with a conical body (462).

2. A highway guardrail bolt strength detection device with good applicability as claimed in claim 1, characterized in that: The pulling mechanism (6) is a hydraulic cylinder.

3. A highway guardrail bolt strength detection device with good applicability as claimed in claim 1, characterized in that: The support frame (2) is a gantry frame.

4. A highway guardrail bolt strength detection device with good applicability as claimed in claim 1, characterized in that: The depth of the wide slot section of the T-slot (33) is twice the thickness of the screw head of the bolt matched therewith.

5. A highway guardrail bolt strength detection device with good applicability as claimed in any one of claims 1 to 4, characterized in that: The front side of the frame body (41) is provided with a spring latch (411), and the base (1) is provided with a plurality of slots (410) that match the latches of the spring latch (411), and all the slots (410) are arranged in a row.

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