A device for testing the compressive strength of metal pipes

Abstract

The present invention relates to the technical field of bridge engineering, and in particular to a device for detecting the compressive performance of a metal pipe, comprising a frame, a detection component, a fixing mechanism and a shifting mechanism, wherein the fixing mechanism comprises a cylinder, a bracket, two first motors, two screws, a block, a plurality of connecting blocks and a plurality of abutting members, the bracket is slidably connected to the frame, the cylinder is mounted on the frame, the output end of the cylinder is fixedly connected to the bracket, the bracket is provided with a plurality of slide grooves, the abutting members are slidably connected to the corresponding slide grooves respectively, one end of the plurality of connecting blocks is hinged to the corresponding abutting members respectively, the other ends of the plurality of connecting blocks are hinged to the block, the two first motors are mounted on the bracket, the output ends of the two first motors are fixedly connected to the corresponding screws respectively, the two screws are threadedly matched with the block, the shifting mechanism is arranged on the frame, and the detection component is arranged on the shifting mechanism, in this way, the metal pipe can be fixed more conveniently, and the fixing efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of bridge engineering, and in particular to a device for detecting the compressive performance of a metal pipe. Background Art

[0002] Metal pipes are metal materials with hollow cross-sections and whose length is much larger than their diameter or circumference. Metal pipes are not only used to transport fluids and powdered solids, exchange heat, and manufacture mechanical parts and containers, but they are also an economical material. Steel pipes, which are the most commonly used and convenient metal materials, exist both in daily life and in industrial work, and have a wide range of uses. In the quality inspection process of bridge projects, it is necessary to perform compression tests on some metal pipes used in construction. The existing compression performance testing devices generally have only one testing station, and the inspection of a steel pipe is accidental and less representative.

[0003] To address the above problems, a metal pipe compressive performance testing device disclosed in the prior art patent publication number CN114459883A can be used. The two sides of the steel pipe are placed on the supporting and fixing device on the mounting plate. The second mounting block on the fixed shaft is driven to slide by rotating the adjusting rod, and the second mounting block moves toward the first mounting block, driving the rotating rod to rotate, and then driving the supporting block to move toward the inner wall of the steel pipe until it contacts the inner wall of the steel pipe, thereby achieving the supporting and fixing effect. Then, the test is carried out, so that multiple steel pipes can be tested.

[0004] However, in the above method, the adjusting rod needs to be manually rotated to hold the steel pipe, resulting in low fixing efficiency. Summary of the invention

[0005] The purpose of the present invention is to provide a device for testing the compressive performance of metal pipes, aiming to solve the technical problem in the prior art that an adjusting rod needs to be manually rotated to hold a steel pipe, resulting in low fixing efficiency.

[0006] To achieve the above-mentioned purpose, the present invention adopts a metal pipe compression performance detection device, which includes a frame, a detection component, a fixing mechanism and a shifting mechanism, wherein the fixing mechanism includes a cylinder, a bracket, two first motors, two screws, a block, multiple connecting blocks and multiple supporting members, the bracket is slidably connected to the frame, the cylinder is installed on the frame, the output end of the cylinder is fixedly connected to the bracket, the bracket is provided with multiple sliding grooves, the supporting members are respectively slidably connected to the corresponding sliding grooves, one end of multiple connecting blocks is respectively hinged to the corresponding supporting members, and the other ends of multiple connecting blocks are respectively hinged to the block, two first motors are both installed on the bracket, the output ends of the two first motors are respectively fixedly connected to the corresponding screws, and the two screws are threadedly matched with the block, the shifting mechanism is arranged on the frame, and the detection component is arranged on the shifting mechanism.

[0007] Wherein, the shifting mechanism includes a plate body, a driving member, a disc, a supporting rod and a sliding member, the plate body is fixedly connected to the frame body, the plate body is provided with a groove, the sliding member is slidably connected to the groove, the sliding member is provided with a rectangular groove, the driving member is fixedly connected to the plate body, the output end of the driving member is fixedly connected to the disc, one end of the supporting rod is fixedly connected to the disc, the other end of the supporting rod is inserted into the rectangular groove, and the detection component is arranged on the sliding member.

[0008] Wherein, the fixing mechanism further comprises two telescopic rods, and two ends of the telescopic rods are respectively fixedly connected to the block and the bracket.

[0009] Wherein, the driving component includes a mounting plate and a second motor, the mounting plate is fixedly connected to the plate body, and the second motor is mounted on the mounting plate.

[0010] Wherein, the metal pipe compression performance testing device also includes a material receiving mechanism, and the material receiving mechanism is arranged on the frame.

[0011] Among them, the material receiving mechanism includes a guide plate, a hydraulic cylinder, a protrusion and a movable block, the guide plate is rotatably connected to the frame, the hydraulic cylinder is installed on the frame, the output end of the hydraulic cylinder is fixedly connected to the protrusion, one end of the movable block is hinged to the protrusion, and the other end of the movable block is hinged to the guide plate.

[0012] Wherein, the material receiving assembly also includes a protective member, and the protective member is arranged on the guide plate.

[0013] A device for testing the compressive performance of metal pipes of the present invention is provided with the fixing mechanism. When used, the metal pipe to be tested is placed on the corresponding abutting piece, and then the two cylinders are started. The two cylinders drive the two brackets to move toward each other. After moving to the specified position, a plurality of the first motors are started, and the output end of the first motor drives the screw to rotate, and the screw drives the corresponding block to move. The block drives one end of the corresponding connecting block to rotate on the block, and drives the other end of the corresponding connecting block to rotate on the corresponding abutting piece respectively. The two matching connecting blocks drive the two abutting pieces to abut against the metal pipe, thereby fixing the metal pipe. After the detection component is moved to the specified position by the shifting mechanism, the fixed metal pipe is subjected to a compressive test by the detection component. In this way, the metal pipe can be fixed more conveniently, and the fixing efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 paying creative work.

[0015] Figure 1 It is a schematic structural diagram of the first embodiment of the present invention.

[0016] Figure 2 It is a perspective view of the first embodiment of the present invention.

[0017] Figure 3 It is a front view of the first embodiment of the present invention.

[0018] Figure 4 The present invention Figure 1 A magnified view of the local structure at A.

[0019] Figure 5 The present invention Figure 3 AA line structural cross-section view.

[0020] Figure 6 It is a schematic structural diagram of the second embodiment of the present invention.

[0021] Figure 7 It is a schematic structural diagram of the third embodiment of the present invention.

[0022] 101-frame, 102-detection component, 103-cylinder, 104-bracket, 105-first motor, 106-screw, 107-block, 108-connecting block, 109-support, 110-telescopic rod, 111-plate, 112-disc, 113-support rod, 114-sliding member, 115-mounting plate, 116-second motor, 117-slide, 118-groove, 119-rectangular groove, 201-guide plate, 202-hydraulic cylinder, 203-bump, 204-movable block, 205-protective member, 301-cross plate, 302-electric cylinder, 303-bottom plate, 304-moving wheel, 305-guide rod. DETAILED DESCRIPTION

[0023] First embodiment:

[0024] See also Figure 1 to Figure 5 ,in Figure 1 is a schematic structural diagram of a first embodiment of the present invention, Figure 2 is a perspective view of a first embodiment of the present invention, Figure 3 is a front view of a first embodiment of the present invention, Figure 4 The present invention Figure 1 A local structure enlarged diagram, Figure 5 The present invention Figure 3 AA line structural cross-section view.

[0025] The present invention provides a device for detecting the compressive performance of a metal pipe: it includes a frame 101, a detection component 102, a fixing mechanism and a shifting mechanism, the fixing mechanism includes a cylinder 103, a bracket 104, two first motors 105, two screws 106, a block 107, a plurality of connecting blocks 108, a plurality of abutting members 109 and two telescopic rods 110, the shifting mechanism includes a plate 111, a driving member, a disc 112, a holding rod 113 and a sliding member 114, the driving member includes a mounting plate 115 and a second motor 116, the above-mentioned scheme solves the technical problem in the prior art that it is necessary to manually rotate an adjusting rod to hold a steel pipe, resulting in low fixing efficiency.

[0026] According to this specific embodiment, the frame 101 is used to be placed on the ground for support, and the detection component 102 is used to perform compression resistance detection on the pipe.

[0027] Among them, the bracket 104 is slidably connected to the frame 101, the cylinder 103 is installed on the frame 101, the output end of the cylinder 103 is fixedly connected to the bracket 104, the bracket 104 is provided with a plurality of slide grooves 117, the abutment 109 is slidably connected to the corresponding slide grooves 117, one end of a plurality of connecting blocks 108 is hinged to the corresponding abutment 109, the other ends of a plurality of connecting blocks 108 are hinged to the block 107, the two first motors 105 are installed on the bracket 104, the output ends of the two first motors 105 are fixedly connected to the corresponding screw rods 106, the two screw rods 106 are threadedly matched with the block 107, the shifting mechanism is arranged on the frame 101, the detection component 102 is arranged on the shifting mechanism, and by setting the fixing mechanism, when it is used specifically, the metal pipe to be detected is placed in the corresponding The two cylinders 103 are then started, and the two cylinders 103 drive the two brackets 104 to move toward each other. After moving to the specified position, the multiple first motors 105 are started, and the output end of the first motor 105 drives the screw 106 to rotate, and the screw 106 drives the corresponding block 107 to move, and the block 107 drives one end of the corresponding connecting block 108 to rotate on the block 107, and drives the other end of the corresponding connecting block 108 to rotate on the corresponding supporting member 109 respectively, and the two matching connecting blocks 108 drive the two supporting members 109 to resist on the metal pipe, thereby fixing the metal pipe, and then after the detection component 102 is moved to the specified position by the shifting mechanism, the fixed metal pipe is subjected to a compression test by the detection component 102, so that the metal pipe can be fixed more conveniently in this way, which improves the fixing efficiency.

[0028] Secondly, the plate body 111 is fixedly connected to the frame body 101, the plate body 111 is provided with a groove 118, the sliding member 114 is slidably connected to the groove 118, the sliding member 114 is provided with a rectangular groove 119, the driving member is fixedly connected to the plate body 111, the output end of the driving member is fixedly connected to the disc 112, one end of the supporting rod 113 is fixedly connected to the disc 112, the other end of the supporting rod 113 is inserted into the rectangular groove 119, the detection component 102 is arranged on the sliding member 114, when it is necessary to move the position of the detection component 102, the driving member is started, the output end of the driving member drives the disc 112 to rotate, the disc 112 drives the supporting rod 113 to slide in the rectangular groove 119, the supporting rod 113 slides in the rectangular groove 119 and drives the sliding member 114 to slide in the groove 118 at the same time, and the sliding member 114 drives the detection component 102 to move.

[0029] At the same time, both ends of the telescopic rod 110 are fixedly connected to the block 107 and the bracket 104 respectively. By providing the telescopic rod 110, the stability of the block 107 can be improved.

[0030] In addition, the mounting plate 115 is fixedly connected to the plate body 111 , and the second motor 116 is mounted on the mounting plate 115 . By setting the mounting plate 115 and the second motor 116 , the second motor 116 can be fixed to the plate body 111 through the mounting plate 115 .

[0031] The device for testing the compressive performance of a metal pipe according to the present embodiment is used by setting the fixing mechanism. When the metal pipe to be tested is used, the metal pipe to be tested is placed on the corresponding abutting member 109, and then the two cylinders 103 are started. The two cylinders 103 drive the two brackets 104 to move toward each other. After moving to the specified position, the plurality of first motors 105 are started. The output end of the first motor 105 drives the screw rod 106 to rotate. The screw rod 106 drives the corresponding block 107 to move. The block 107 drives one end of the corresponding connecting block 108 to rotate on the block 107, and drives the other end of the corresponding connecting block 108 to rotate on the corresponding The two matching connecting blocks 108 drive the two supporting members 109 to resist the metal pipe, thereby fixing the metal pipe. Then, after the detection component 102 is moved to the specified position by the shifting mechanism, the fixed metal pipe is subjected to a compression test by the detection component 102. In this way, the metal pipe can be fixed more conveniently, and the fixing efficiency is improved. By setting the telescopic rod 110, the stability of the block 107 can be improved. By setting the mounting plate 115 and the second motor 116, the second motor 116 can be fixed to the plate body 111 through the mounting plate 115.

[0032] Second embodiment:

[0033] Based on the first embodiment, please refer to Figure 6 , Figure 6 It is a schematic structural diagram of the second embodiment of the present invention.

[0034] The present invention provides a metal pipe compression performance testing device, which also includes a material receiving mechanism. The material receiving mechanism includes a guide plate 201, a hydraulic cylinder 202, a convex block 203, a movable block 204 and a protective member 205.

[0035] According to this specific embodiment, the material receiving mechanism is arranged on the frame 101. By arranging the material receiving mechanism, the pipes that have been inspected can be diverted.

[0036] Among them, the guide plate 201 is rotatably connected to the frame 101, the hydraulic cylinder 202 is installed on the frame 101, the output end of the hydraulic cylinder 202 is fixedly connected to the protrusion 203, one end of the movable block 204 is hinged to the protrusion 203, and the other end of the movable block 204 is hinged to the guide plate 201. After the inspection is completed, the pipe falls onto the guide plate 201, and the hydraulic cylinder 202 is started. The output end of the hydraulic cylinder 202 drives the protrusion 203 to move, and the protrusion 203 drives the two ends of the movable block 204 to rotate on the protrusion 203 and the guide plate 201 respectively, so that the guide plate 201 is tilted, which is convenient for guiding the pipe.

[0037] Secondly, the protective member 205 is arranged on the guide plate 201. By arranging the protective member 205, it is possible to cushion the pipe when it falls onto the guide plate 201.

[0038] A device for testing the compressive performance of a metal pipe is used in this embodiment. After the test is completed, the pipe falls onto the guide plate 201, and the hydraulic cylinder 202 is started. The output end of the hydraulic cylinder 202 drives the protrusion 203 to move, and the protrusion 203 drives the two ends of the movable block 204 to rotate on the protrusion 203 and the guide plate 201 respectively, so that the guide plate 201 is tilted to facilitate the diversion of the pipe. By setting the protective member 205, the pipe can be buffered when it falls onto the guide plate 201.

[0039] Third embodiment:

[0040] Based on the second embodiment, please refer to Figure 7 , Figure 7 It is a schematic structural diagram of the third embodiment of the present invention.

[0041] The present invention provides a metal pipe compression performance testing device which also includes two groups of moving components. The moving components include a transverse plate 301 , an electric cylinder 302 , a bottom plate 303 , a plurality of moving wheels 304 and a guide rod 305 .

[0042] According to this specific embodiment, two groups of the moving components are both arranged on the frame 101. By arranging two groups of the moving components, the frame 101 can be moved more conveniently.

[0043] Among them, the cross plate 301 is fixedly connected to the frame 101, the electric cylinder 302 is installed on the cross plate 301, the output end of the electric cylinder 302 is fixedly connected to the bottom plate 303, and the multiple moving wheels 304 are all arranged on the bottom plate 303. By pushing the frame 101, the frame 101 drives the multiple moving wheels 304 to roll on the ground to move the frame 101. After moving to the specified position, start the two electric cylinders 302, and the output end of the electric cylinder 302 drives the bottom plate 303 to move up, and the bottom plate 303 drives the corresponding moving wheels 304 to move up, so that the frame 101 is placed on the ground for support. In this way, the frame 101 can be moved more conveniently and the moving wheels 304 can be prevented from rolling at will.

[0044] Secondly, one end of the guide rod 305 passes through the transverse plate 301 and is fixedly connected to the bottom plate 303 . By providing the guide rod 305 , the stability of the bottom plate 303 can be improved.

[0045] A metal pipe compression performance testing device according to the present embodiment is used. The frame 101 is pushed, and the frame 101 drives the multiple moving wheels 304 to roll on the ground to move the frame 101. After moving to the specified position, the two electric cylinders 302 are started, and the output ends of the electric cylinders 302 drive the bottom plate 303 to move upward, and the bottom plate 303 drives the corresponding moving wheels 304 to move upward, so that the frame 101 is placed on the ground for support. In this way, the frame 101 can be moved more conveniently and the moving wheels 304 can be prevented from rolling at will.

[0046] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A metal pipe compression performance testing device, comprising a frame and a testing component, characterized in that: It also includes two sets of fixing mechanisms and shifting mechanisms; The fixing mechanism includes a cylinder, a bracket, two first motors, two screws, a block, multiple connecting blocks and multiple supporting members. The bracket is slidably connected to the frame, the cylinder is installed on the frame, the output end of the cylinder is fixedly connected to the bracket, the bracket is provided with multiple slide grooves, the supporting members are slidably connected to the corresponding slide grooves, one end of multiple connecting blocks is hinged to the corresponding supporting members, and the other ends of multiple connecting blocks are hinged to the block, two first motors are installed on the bracket, the output ends of the two first motors are fixedly connected to the corresponding screws, and the two screws are threadedly matched with the block, the shifting mechanism is arranged on the frame, and the detection component is arranged on the shifting mechanism.

2. The metal pipe compression performance testing device according to claim 1, characterized in that: The shifting mechanism includes a plate body, a driving member, a disc, a supporting rod and a sliding member, the plate body is fixedly connected to the frame body, the plate body is provided with a groove, the sliding member is slidably connected to the groove, the sliding member is provided with a rectangular groove, the driving member is fixedly connected to the plate body, the output end of the driving member is fixedly connected to the disc, one end of the supporting rod is fixedly connected to the disc, the other end of the supporting rod is inserted into the rectangular groove, and the detection component is arranged on the sliding member.

3. The metal pipe compression performance testing device according to claim 2, characterized in that: The fixing mechanism further comprises two telescopic rods, and two ends of the telescopic rods are respectively fixedly connected to the block and the bracket.

4. The metal pipe compression performance testing device according to claim 3, characterized in that: The driving member includes a mounting plate and a second motor, wherein the mounting plate is fixedly connected to the plate body, and the second motor is mounted on the mounting plate.

5. The metal pipe compression performance testing device according to claim 4, characterized in that: The metal pipe compression performance testing device also includes a material receiving mechanism, and the material receiving mechanism is arranged on the frame.

6. The metal pipe compression performance testing device according to claim 5, characterized in that: The material receiving mechanism includes a guide plate, a hydraulic cylinder, a protrusion and a movable block. The guide plate is rotatably connected to the frame, the hydraulic cylinder is installed on the frame, the output end of the hydraulic cylinder is fixedly connected to the protrusion, one end of the movable block is hinged to the protrusion, and the other end of the movable block is hinged to the guide plate.

7. The metal pipe compression performance testing device according to claim 6, characterized in that: The material receiving assembly also includes a protective member, which is arranged on the guide plate.

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