A steel wire mesh skeleton type outer protective tube testing device

Abstract

The utility model relates to steel wire mesh skeleton formula outer protective tube test technical field, and disclose a kind of steel wire mesh skeleton formula outer protective tube testing device, including electric sliding table, the top of electric sliding table is provided with two sliding first electric sliding block, the upper side of two first electric sliding block is fixedly installed with chucking chuck, the inside of two chucking chucks is provided with the steel wire mesh skeleton pipe clamped by chucking chuck clamp.The utility model discloses, two groups of independent control chucking chuck fixed pipe body two ends, in combination with electric sliding table drive slider moves towards, realize axial tensile or bending test, rotating ring circumferentially distributed extruder can synchronous exert radial pressure, simulate uniform load;Single extrusion head fixed-point loading is made by telescopic device to push fixed ring transverse movement, detect local compressive resistance;The nesting design of fixed ring and rotating ring, cooperate with sliding table movement, without disassembly, just switch pressure, wear, bending three kinds of test mode, greatly improve detection efficiency and working condition coverage.

Description

Technical Field

[0001] This utility model relates to the field of testing technology for steel wire mesh skeleton outer protective tubes, and in particular to a testing device for steel wire mesh skeleton outer protective tubes. Background Technology

[0002] Steel wire mesh reinforced outer protective pipes are widely used in municipal and petroleum industries, where their compressive strength, wear resistance, and bending performance directly affect engineering safety. Existing testing equipment is limited in function: pressure testing can only perform static loading and cannot simulate circumferential dynamic compression; wear detection relies on manual observation and lacks quantitative indicators; bending and local pressure testing must be performed separately, resulting in low efficiency. Furthermore, traditional devices struggle to monitor pipe deformation in real time, have poor adaptability to pipe diameters, leading to incomplete test data that fails to accurately reflect comprehensive performance under complex working conditions. Therefore, we propose a testing device for steel wire mesh reinforced outer protective pipes. Utility Model Content

[0003] The present invention aims to solve the technical problems existing in the prior art and provide a steel wire mesh skeleton type outer protective tube testing device.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a steel wire mesh skeleton outer protective tube testing device, comprising an electric slide table, two sliding first electric sliders arranged above the electric slide table, a clamping chuck fixedly installed on the upper side of each of the two first electric sliders, a steel wire mesh skeleton tube clamped by the clamping chuck inside the two clamping chucks, a sliding second electric slider arranged on the upper side of the electric slide table, a fixed ring fixedly installed at the output end of the second electric slider, a rotating ring arranged at one end of the fixed ring, a pressure testing machine for compressing the steel wire mesh skeleton tube equidistantly arranged on the side of the rotating ring, a first groove opened on the side of the rotating ring, a sliding first slider arranged inside the first groove, a contact head arranged at one end of the first slider, a second groove opened on the side of the electric slide table, an elastic tension structure for pulling the first slider inside the second groove.

[0005] Preferably, the pressure testing machine includes an extruder fixedly installed on the outside of the rotating ring, and an extrusion head is fixedly installed at the output end of the extruder.

[0006] Preferably, the elastic tension structure includes a second slider that is slidably installed inside the second groove, a spring that is fixedly installed at the upper end of the second slider, a connecting block that is fixedly installed at the upper end of the first slider, and the end of the spring away from the second slider that is fixedly installed at the bottom side of the connecting block.

[0007] Preferably, a groove is provided on the outer side of the rotating ring corresponding to the position of the second slide groove, and a threaded hole is provided on one side of the groove corresponding to the second slide groove. A threaded post is threadedly connected inside the threaded hole, and a pressing rod is fixedly installed on the side of the threaded post.

[0008] Preferably, a marking block is fixedly installed on the side of the first slider, and a comparison ruler is fixedly installed on the outer side of the rotating ring corresponding to the position of the first slider.

[0009] Preferably, a gear ring is fixedly installed on the outer side of the rotating ring, a rotary motor is fixedly installed on the outer side of the fixed ring, and a gear with meshing cylindrical gear ring is fixedly installed on the output end of the rotary motor.

[0010] Preferably, the first and second slides are both rectangular grooves that penetrate the side of the rotating ring, and the groove is a rectangular groove formed on the outside of the rotating ring. Beneficial effects

[0011] This utility model provides a steel wire mesh skeleton type outer protective tube testing device. It has the following beneficial effects: (1) The steel wire mesh skeleton outer protective tube testing device has two independently controlled clamping chucks to fix the two ends of the tube body. Combined with the electric slide table driving the slider to move towards each other, it realizes axial tension or bending test. The circumferentially distributed extruders of the rotating ring can apply radial pressure synchronously to simulate uniform load. The expansion joint pushes the fixed ring to move laterally, so that a single extrusion head is loaded at a fixed point to detect local compressive strength. The rotary motor drives the gear to mesh with the gear ring, which drives the rotating ring to rotate, so that the extrusion head and the tube body continuously rub against each other to quantify the degree of wear. The nested design of the fixed ring and the rotating ring, combined with the movement of the slide table, allows switching between the three test modes of pressure, wear and bending without disassembly, which greatly improves the testing efficiency and working condition coverage.

[0012] (2) In this wire mesh skeleton type outer protective tube testing device, the first slider is connected to a spring via a connecting block, and the lower end of the spring is fixed to the second slider. During testing, the spring tension forces the contact head to always be in close contact with the pipe wall, adapting to different pipe diameters; the adjusting threaded column can lock the second slider to ensure constant contact pressure; the marking block on the side of the first slider and the comparison ruler on the rotating ring form a dynamic scale. During rotation, the pipe body is deformed under pressure, causing the contact head to displace, and the jumping amplitude of the marking block on the comparison ruler directly reflects the real-time deformation; the elastic tension structure ensures the continuous contact of the contact head, the rotating ring drive system provides a stable rotation speed, and the deformation data is visualized through the displacement of the marking block. This design replaces manual visual inspection, achieving high-precision dynamic capture of deformation, and is especially suitable for long-term fatigue testing. Attached Figure Description

[0013] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0014] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a partial structural schematic diagram of the first slider of this utility model; Figure 3 This is a partial structural schematic diagram of the fixing ring of this utility model; Figure 4 This utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle; Figure 5 This is a partial structural diagram of the extruder of this utility model; Legend: 1. Electric slide table; 2. First electric slider; 3. Clamping chuck; 4. Second electric slider; 5. Telescopic device; 6. Fixed ring; 7. Rotating ring; 8. Extruder; 9. Extrusion head; 10. First slide groove; 11. First slider; 12. Contact head; 13. Connecting block; 14. Second slide groove; 15. Second slider; 16. Spring; 17. Comparison ruler; 18. Marking block; 19. Groove; 20. Threaded hole; 21. Threaded post; 22. Extrusion rod; 23. Gear ring; 24. Rotary motor; 25. Gear. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] like Figures 1-5As shown, a testing device for a steel wire mesh skeleton outer protective tube includes an electric slide table 1. Two sliding first electric sliders 2 are arranged above the electric slide table 1. Clamping chucks 3 are fixedly installed on the upper sides of each of the two first electric sliders 2. A steel wire mesh skeleton tube is clamped inside the clamping chucks 3. A sliding second electric slider 4 is arranged on the upper side of the electric slide table 1. A fixing ring 6 is fixedly installed at the output end of the second electric slider 4. A rotating ring 7 is arranged at one end of the fixing ring 6. A pressure testing machine for compressing the steel wire mesh skeleton tube is equidistantly arranged on the side of the rotating ring 7. A first groove 10 is formed on the side of the rotating ring 7. A sliding first slider 11 is arranged inside the first groove 10. One end of block 11 is provided with a contact head 12. A second slide groove 14 is provided on the side of the electric slide table 1. The interior of the second slide groove 14 is provided with an elastic tension structure that pulls the first slider 11. The steel wire mesh skeleton tube is clamped by two clamping chucks 3. During the testing process, a pressure testing machine is used to uniformly compress the outer wall of the steel wire mesh skeleton tube to test its pressure resistance. Alternatively, the telescopic device 5 can be moved, causing the fixed ring 6 to move, so that the side of the steel wire mesh skeleton tube contacts the sides of the fixed ring 6 and the rotating ring 7. Then, a pressure testing structure is controlled to compress the outer wall of the steel wire mesh skeleton tube to test its resistance to a single pressure. The testing structure presses against the outer wall of the wire mesh reinforced tube, and then rotates the rotating ring 7 to detect the wear of the wire mesh reinforced tube after repeated compression and friction. During the testing of the outer tube, the elastic tension structure first pulls the first slider 11. The rotating ring 7 drives the first slider 11 and the contact head 12 to rotate at the position of the outer tube. The testing function of the wire mesh reinforced tube is achieved by observing the jump of the first slider 11. The extruder 8 clamps the center position of the wire mesh reinforced tube, and then the two clamping chucks 3 are moved closer to each other. Finally, the fixing ring 6 is moved upwards to perform a bending test on the wire mesh reinforced tube. The pressure testing machine includes an extruder 8 fixedly installed on the outside of the rotating ring 7. An extrusion head 9 is fixedly installed on the output end of the extruder 8. When the extruder 8 is started, the extruder 8 extrudes the outside of the wire mesh skeleton tube through the extrusion head 9. The elastic tension structure includes a second slider 15 slidably installed inside the second slide groove 14. A spring 16 is fixedly installed on the upper end of the second slider 15. A connecting block 13 is fixedly installed on the upper end of the first slider 11. The end of the spring 16 away from the second slider 15 is fixedly installed on the bottom side of the connecting block 13. The spring 16 exerts a downward pulling force on the connecting block 13 and the first slider 11, so that the first slider 11, with the contact head 12, is always in contact with and extruding the outside of the wire mesh skeleton tube. A groove 19 is provided on the outer side of the rotating ring 7 corresponding to the position of the second slide groove 14. A threaded hole 20 is provided on one side of the groove 19 corresponding to the second slide groove 14. A threaded post 21 is threadedly connected inside the threaded hole 20. A pressing rod 22 is fixedly installed on the side of the threaded post 21. The position of the first slider 11 is adjusted by adjusting the position of the second slider 15 to accommodate steel wire mesh skeleton tubes of different diameters. The threaded post 21 is rotated by the pressing rod 22, and the position of the second slider 15 is pressed and fixed by the threaded post 21. A marking block 18 is fixedly installed on the side of the first slider 11. A comparison ruler 17 is fixedly installed on the outer side of the rotating ring 7 corresponding to the position of the first slider 11. The comparison ruler 18 is used to mark the position of the first slider 11. The position of the marker block 18 is marked. When the rotating ring 7 rotates, the jump range of the marker block 18 is observed to detect the deformation of the steel wire mesh skeleton tube under pressure. A gear ring 23 is fixedly installed on the outside of the rotating ring 7, and a rotary motor 24 is fixedly installed on the outside of the fixed ring 6. A gear 25 that meshes with the gear ring 23 is fixedly installed at the output end of the rotary motor 24. When the rotary motor 24 is started, the rotary motor 24 drives the gear 25 to rotate. The gear 25 meshes with the gear ring 23 to drive the rotating ring 7 to rotate. The first slide groove 10 and the second slide groove 14 are both rectangular grooves that penetrate the side of the rotating ring 7. The groove 19 is a rectangular groove opened on the outside of the rotating ring 7.

[0018] The working principle of this utility model: In use, the steel wire mesh reinforced tube is clamped by two clamping chucks 3. During testing, a pressure testing machine is used to uniformly compress the outer wall of the steel wire mesh reinforced tube to test its compressive strength. Alternatively, the telescopic device 5 can be moved, causing the fixed ring 6 to move so that the side of the steel wire mesh reinforced tube contacts the sides of the fixed ring 6 and the rotating ring 7. A pressure testing structure is then used to compress the outer wall of the steel wire mesh reinforced tube to test its resistance to single pressure. The pressure testing structure presses the outer wall of the steel wire mesh reinforced tube firmly, and the rotating ring 7 rotates to test the wear of the steel wire mesh reinforced tube after repeated compression and friction. When testing the outer tube of the steel wire mesh reinforced tube, the elastic tension structure first pulls the first slider 11. The rotating ring 7 drives the first slider 11 and the contact head 12 to rotate at the position of the outer tube. The testing function of the steel wire mesh reinforced tube is achieved by observing the jump of the first slider 11. The extruder 8 is used to press the center position of the steel wire mesh reinforced tube. The tube is clamped, and then the two clamping chucks 3 are moved closer to each other. The fixing ring 6 is then moved upwards to perform a bending test on the wire mesh skeleton tube. The extruder 8 is activated, and the extruder 8 uses the extrusion head 9 to extrude the outer side of the wire mesh skeleton tube. The spring 16 exerts a downward pulling force on the connecting block 13 and the first slider 11, ensuring that the first slider 11, along with the contact head 12, remains in contact with and extrudes the outer side of the wire mesh skeleton tube. The position of the second slider 15 is adjusted to adjust the... The position of slider 11 is adapted to steel wire mesh skeleton tubes of different diameters. The screw rod 22 rotates the threaded column 21, which in turn presses and fixes the position of the second slider 15. By comparing the position of the mark block 18 on the ruler 17, the range of jump of the mark block 18 is observed when the rotating ring 7 rotates to detect the deformation of the steel wire mesh skeleton tube under pressure. The rotating motor 24 is started, which drives the gear 25 to rotate. The gear 25 meshes with the gear ring 23 to drive the rotating ring 7 to rotate.

[0019] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A testing device for a steel wire mesh skeleton outer protective tube, comprising an electric slide table (1), two sliding first electric sliders (2) are arranged above the electric slide table (1), and clamping chucks (3) are fixedly installed on the upper side of each of the two first electric sliders (2), and a steel wire mesh skeleton tube clamped by the clamping chucks (3) is arranged inside the two clamping chucks (3), characterized in that: The upper side of the electric slide table (1) is provided with a sliding second electric slider (4). A fixed ring (6) is fixedly installed at the output end of the second electric slider (4). A rotating ring (7) is provided at one end of the fixed ring (6). A pressure testing machine for extruding the steel wire mesh skeleton tube is provided at equal intervals on the side of the rotating ring (7). A first slide groove (10) is provided on the side of the rotating ring (7). A sliding first slider (11) is provided inside the first slide groove (10). A contact head (12) is provided at one end of the first slider (11). A second slide groove (14) is provided on the side of the electric slide table (1). An elastic tension structure for pulling the first slider (11) is provided inside the second slide groove (14).

2. The steel wire mesh skeleton type outer protective tube testing device according to claim 1, characterized in that: The pressure testing machine includes a squeezer (8) fixedly installed on the outside of the rotating ring (7), and a squeeze head (9) is fixedly installed at the output end of the squeezer (8).

3. The steel wire mesh skeleton type outer protective tube testing device according to claim 1, characterized in that: The elastic tension structure includes a second slider (15) slidably installed inside the second slide groove (14), a spring (16) fixedly installed at the upper end of the second slider (15), a connecting block (13) fixedly installed at the upper end of the first slider (11), and the end of the spring (16) away from the second slider (15) fixedly installed on the bottom side of the connecting block (13).

4. The steel wire mesh skeleton type outer protective tube testing device according to claim 3, characterized in that: The outer side of the rotating ring (7) is provided with a groove (19) corresponding to the position of the second slide groove (14). The groove (19) is provided with a threaded hole (20) on one side corresponding to the second slide groove (14). The threaded hole (20) is connected to a threaded column (21) with a threaded thread inside. A pressing rod (22) is fixedly installed on the side of the threaded column (21).

5. The steel wire mesh skeleton type outer protective tube testing device according to claim 4, characterized in that: A marker block (18) is fixedly installed on the side of the first slider (11), and a comparison ruler (17) is fixedly installed on the outer side of the rotating ring (7) corresponding to the position of the first slider (11).

6. The steel wire mesh skeleton type outer protective tube testing device according to claim 1, characterized in that: A gear ring (23) is fixedly installed on the outer side of the rotating ring (7), and a rotary motor (24) is fixedly installed on the outer side of the fixed ring (6). A gear (25) meshing with the cylindrical gear ring (23) is fixedly installed at the output end of the rotary motor (24).

7. The steel wire mesh skeleton type outer protective tube testing device according to claim 5, characterized in that: The first groove (10) and the second groove (14) are both rectangular grooves that penetrate the side of the rotating ring (7), and the groove (19) is a rectangular groove opened on the outside of the rotating ring (7).

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