Engineering pipe compression resistance detection device

Abstract

The utility model is suitable for the field of pipe compression resistance detection, and provides an engineering pipe compression resistance detection device, which comprises a supporting assembly, an adjusting assembly, two movable assemblies, two fixed assemblies and a compression resistance detection assembly, and is characterized in that the supporting assembly comprises a fixed frame; the adjusting assembly comprises a motor, the motor is connected to one side of the fixing frame, an output shaft of the motor is connected with a threaded rod, and the threaded rod is rotationally connected into the fixing frame; according to the utility model, plastic deformation is adapted, and the detection safety is guaranteed: when the pipe has plastic deformation and is shortened in the compression resistance detection, the movable plates can drive the limiting rods to slide in the threaded plates, so that the two movable plates can be close to each other to carry out position fine adjustment, and the design prevents the pipe from falling off from the fixing assembly; meanwhile, triaxial stress is prevented from being generated in the pipe, the pipe can be smoothly deformed under the action of the pressing plate, the safety of the detection process is guaranteed, and meanwhile more accurate compression resistance data can be obtained.

Description

Technical Field

[0001] The utility model belongs to the field of compressive strength detection of pipe materials, and particularly relates to a compressive strength detection device for engineering pipe materials. Background Technique

[0002] Engineering pipe materials include plastic pipe materials. As an important part of chemical building materials, plastic pipe materials mainly include several types such as UPVC drain pipes, UPVC water supply pipes, aluminum-plastic composite pipes, polyethylene (PE) water supply pipe materials, and polypropylene PPR hot water pipes. At present, when plastic pipe materials are subjected to compressive strength detection, plastic deformation will occur in the plastic pipe materials;

[0003] For example, Chinese Patent (Publication No.: CN221725745U) discloses a device for detecting the compressive capacity of building materials. It includes a detection box. A box door is provided on the front of the detection box. A motor is provided on one side of the detection box. A bidirectional lead screw is fixedly connected to the output shaft of the motor. A moving block is threadedly connected to the bidirectional lead screw; The advantages of the utility model are as follows: Pull the pull ring outwards to drive the cross plate to move outwards of the clamping plate. The cross plate drives the vertical plate to move, and the telescopic rod and the spring are compressed. When the limiting plates on both sides of the cross plate are pulled out of the limiting grooves, adjust the vertical position of the cross plate so that the support plate is at a suitable height. Release the pull ring, and the spring releases elastic force to drive the vertical plate to move. The vertical plate pulls the cross plate to move, so that the limiting plates on both sides of it move to the limiting grooves at the corresponding positions, realizing the fixation of the support plate. Then use the support plate to clamp the pipe material to fix the pipe material. Pulling the pull ring can adjust the position of the support plate, without repeatedly screwing the nut, the adjustment is more rapid and convenient, and the practicability is stronger;

[0004] However, this device has limitations in the compressive strength detection of plastic deformation pipe materials. When the pipe material is compressed and undergoes plastic deformation and shortens, since both ends are in a fixed state, two adverse situations may occur: One is that the stress concentration generated by the deformation of the pipe material causes it to fall off from the fixed structure, weakening the fixing effect and affecting the detection accuracy; The other is that if the fixed structure continuously restricts and its position remains unchanged, triaxial stress will be generated inside the pipe material, triggering abnormal failure modes such as local damage, shear fracture, or longitudinal splitting, which not only interferes with the detection results but also may damage the detection device, posing a safety hazard;

[0005] Therefore, an engineering pipe material compressive strength detection device is needed to solve the above problems. Summary of the Utility Model

[0006] The purpose of the embodiment of the utility model is to provide an engineering pipe material compressive strength detection device to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] An engineering pipe compressive strength detection device, comprising a support assembly, an adjustment assembly, two movable assemblies, two fixing assemblies and a compressive strength detection assembly, wherein the support assembly includes a fixing frame;

[0009] The adjustment assembly includes a motor, the motor is connected to one side of the fixing frame, the output shaft of the motor is connected to a threaded rod, the threaded rod is rotatably connected within the fixing frame, and two threaded plates are threadedly connected to the threaded rod;

[0010] The movable assembly includes a plurality of limiting rods, the plurality of limiting rods are all slidably connected to the threaded plates, one end of the plurality of limiting rods located on both sides and away from each other is connected to a connecting frame, one end of the plurality of limiting rods located on both sides and close to each other is connected to a movable plate, springs are sleeved outside the plurality of limiting rods, and two ends of each spring are respectively connected to the movable plate and the threaded plate;

[0011] The fixing assembly includes a first cylinder and two second cylinders, the two first cylinders and the four second cylinders are respectively connected to the surfaces of the two movable plates close to each other, both ends of the first cylinder are connected to a first clamping plate, one end of the two second cylinders close to each other is connected to a second clamping plate, the same pipe is lapped between a plurality of corresponding first clamping plates and second clamping plates, and two ends of the pipe are respectively lapped with the surfaces of the two movable plates close to each other;

[0012] The compressive strength detection assembly includes a third cylinder, the third cylinder is connected to the top of the fixing frame, the bottom end of the third cylinder is connected to a connecting plate, a pressure sensor is connected to the lower surface of the connecting plate, and a pressing plate is connected to the bottom of the pressure sensor, and the pressing plate is arranged directly above the pipe.

[0013] Further technical solution, a limiting groove and two sliding grooves are formed in the fixing frame, and two guiding rods are connected within the fixing frame.

[0014] Further technical solution, the threaded plates are slidably connected outside the two guiding rods, and the bottom of the threaded plates is slidably connected within the limiting groove.

[0015] Further technical solution, both the first clamping plate and the second clamping plate are arc-shaped, and the two first clamping plates are arranged between the two second clamping plates.

[0016] Further technical solution, the threaded rod is arranged within the limiting groove.

[0017] Further technical solution, the connecting plate is slidably connected within the two sliding grooves.

[0018] Compared with the prior art, the beneficial effects of the present utility model are:

[0019] The utility model adapts to plastic deformation and ensures the safety of detection: when the pipe is plastically deformed and shortened during the compression test, the movable plate can drive the limit rod to slide in the threaded plate, so that the two movable plates can approach each other for fine position adjustment. This design prevents the pipe from falling off from the fixed component and prevents the generation of triaxial stress inside the pipe, so that the pipe can be deformed smoothly under the action of the pressure plate, ensuring the safety of the detection process and obtaining more accurate compression performance data;

[0020] This utility model monitors pressure in real time and improves the quality of inspection: the pressure sensor in the compression inspection component can monitor the pressure of the pipe in real time during the compression process. This function enables operators to obtain relevant data on the compression performance of the pipe in a timely and accurate manner, which helps to understand the compression characteristics of the pipe more comprehensively and deeply, provides a reliable basis for the quality assessment of engineering pipes, and improves the quality and efficiency of inspection work;

[0021] The utility model can fix the pipe efficiently and accurately: by setting the first cylinder and the second cylinder to drive the first clamp and the second clamp, the inner and outer walls of the pipe can be tightly fixed. Compared with the traditional fixing method, the pipe can be fixed more firmly, avoiding displacement or falling off of the pipe due to loose fixation during the compression test, thereby ensuring the stability of the test process and the accuracy of the test results. At the same time, the design of the arc clamp better fits the surface of the pipe, increases the contact area, and further improves the fixing effect;

[0022] The utility model has multiple limiting structures to ensure smooth movement: the limiting groove and the guide rod perform doubly limiting the threaded plate, the sliding groove limits the connecting plate, and the limiting rod limits the movable plate. These multiple limiting structures ensure the stability of each component during the movement, reduce movement deviation and shaking, make the entire detection process more accurate and reliable, and extend the service life of the device.

[0023] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model in a frontal perspective;

[0025] Figure 2 It is a schematic diagram of the structure of a partial three-dimensional front view of the utility model;

[0026] Figure 3 It is a schematic diagram of the structure of the utility model from a partial top view.

[0027] In the figure: 1. Support component; 11. Fixed frame; 12. Limit groove; 13. Guide rod; 14. Slide groove; 2. Adjustment component; 21. Motor; 22. Threaded rod; 23. Threaded plate; 3. Movable component; 31. Limit rod; 32. Connecting frame; 33. Movable plate; 34. Spring; 4. Fixing component; 41. First cylinder; 42. First clamping plate; 43. Second cylinder; 44. Second clamping plate; 5. Compressive strength detection component; 51. Third cylinder; 52. Connecting plate; 53. Pressure sensor; 54. Pressing plate; 6. Pipe material. Detailed implementation mode

[0028] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0029] The following describes the specific implementation of the present utility model in detail with reference to specific embodiments.

[0030] Embodiment 1

[0031] As Figures 1 - 3 shown, the embodiment of the present utility model provides an engineering pipe compressive strength detection device, including a support component 1, an adjustment component 2, two movable components 3, two fixing components 4 and a compressive strength detection component 5. The support component 1 includes a fixed frame 11. A limit groove 12 and two slide grooves 14 are formed in the fixed frame 11, and two guide rods 13 are connected in the fixed frame 11;

[0032] The adjustment component 2 includes a motor 21. The motor 21 is connected to one side of the fixed frame 11. The output shaft of the motor 21 is connected to a threaded rod 22. The threaded rod 22 is rotatably connected in the fixed frame 11. Two threaded plates 23 are externally threaded on the threaded rod 22. The threaded plates 23 are slidably connected outside the two guide rods 13. The bottom of the threaded plate 23 is slidably connected in the limit groove 12. The threaded rod 22 is arranged in the limit groove 12. The limit groove 12 and the guide rod 13 cooperate with each other to double-limit the threaded plate 23;

[0033] The movable component 3 includes a plurality of limit rods 31. The plurality of limit rods 31 are all slidably connected to the threaded plate 23. The ends of the plurality of limit rods 31 located on both sides away from each other are all connected to a connecting frame 32. The ends of the plurality of limit rods 31 located on both sides close to each other are all connected to a movable plate 33. Springs 34 are sleeved outside the plurality of limit rods 31. The two ends of the spring 34 are respectively connected to the movable plate 33 and the threaded plate 23. The limit rods 31 slidably connected in the threaded plate 23 can limit the moving movable plate 33, so that the movable plate 33 will not shake during movement, so that the movable plate 33 can move smoothly along the axial direction of the limit rod 31;

[0034] The compressive strength detection component 5 includes a third cylinder 51. The third cylinder 51 is connected to the top of the fixed frame 11. The bottom end of the third cylinder 51 is connected to a connecting plate 52. A pressure sensor 53 is connected to the lower surface of the connecting plate 52. The bottom of the pressure sensor 53 is connected to a pressing plate 54. The pressing plate 54 is arranged directly above the pipe 6. The connecting plate 52 is slidably connected in two sliding grooves 14. The sliding grooves 14 can limit the connecting plate 52, so that the connecting plate 52 can move smoothly under the action of the third cylinder 51.

[0035] In this embodiment, the device is equipped with a central controller using a PLC controller. The controller is connected to a gas source such as an air compressor through an air pipe. The gas source provides power for the cylinders. The third cylinder 51 is connected to the gas source through an air pipe, and its solenoid valve is also connected to the output port of the central controller;

[0036] The pressure sensor 53 is connected to the input port of the central controller through a signal line;

[0037] When it is necessary to detect the pipe 6, place both ends of the pipe 6 in the fixing component 4. Control the motor 21 to work. The working motor 21 drives the threaded rod 22 to rotate in the limiting groove 12. The rotating threaded rod 22 drives two threaded plates 23 to approach each other outside the guide rod 13. The two approaching threaded plates 23 both drive two fixing components 4 to approach each other through the movable component 3. The two approaching movable plates 33 are respectively abutted against both ends of the pipe 6. At the same time, the two working fixing components 4 fix the pipe 6. At this time, the pipe 6 is fixed;

[0038] After the pipe 6 is fixed, the operator issues a compressive strength detection instruction on the operation panel. The instruction is transmitted to the central controller. After receiving the instruction, the central controller sends a signal to the solenoid valve of the third cylinder 51. The solenoid valve is opened, and the gas of the gas source enters the third cylinder 51, pushing the piston to move downward. The piston drives the connecting plate 52 to move downward. The downward moving connecting plate 52 drives the pressing plate 54 to move downward through the pressure sensor 53. The downward moving pressing plate 54 contacts the middle part of the pipe 6, and then the pipe 6 can be subjected to compressive strength detection;

[0039] When the pipe 6 undergoes plastic deformation, the length of the pipe 6 shortens. Both ends of the deformed pipe 6 drive the two movable plates 33 to approach each other through the fixing components 4. The two approaching movable plates 33 drive a plurality of limiting rods 31 to slide in the threaded plate 23, and a plurality of springs 34 extend. Since the positions of the two fixing components 4 can be finely adjusted, the pipe 6 is not easily detached from the fixing components 4, the triaxial stress is not easily generated inside the pipe 6, and the pipe 6 can be smoothly deformed under the action of the pressing plate 54. During the compressive test, the pressure sensor 53 senses the pressure borne by the pipe 6 in real time, converts the pressure signal into an electrical signal, and transmits it to the central controller through a signal line. The central controller processes and analyzes the electrical signal. On the one hand, the pressure value can be displayed in real time on the operation panel for the convenience of the operator to observe;

[0040] Embodiment 2

[0041] Please refer to Figures 1 - 3 , the difference between this embodiment and Embodiment 1 is that: the fixing component 4 includes a first cylinder 41 and two second cylinders 43. The two first cylinders 41 and the four second cylinders 43 are respectively connected to one side of the two movable plates 33 close to each other. Both ends of the first cylinder 41 are connected to the first clamping plates 42, and the ends of the two second cylinders 43 close to each other are both connected to the second clamping plates 44. The same pipe 6 is lapped between a plurality of corresponding first clamping plates 42 and second clamping plates 44. Both ends of the pipe 6 are lapped with one side of the two movable plates 33 close to each other. The first clamping plates 42 and the second clamping plates 44 are both arc-shaped, and the two first clamping plates 42 are arranged between the two second clamping plates 44.

[0042] In this embodiment, the solenoid valves of the first cylinder 41 and the second cylinder 43 are connected to the output ports of the central controller; when it is necessary to fix the pipe 6, the operator connects to the central controller through the operation panel and issues a fixing instruction. The instruction is transmitted to the central controller. After receiving the instruction, the central controller sends a signal to the solenoid valves of the first cylinder 41 and the second cylinder 43. The solenoid valves are opened, and the gas from the air source enters the cylinders, pushing the pistons to move. The movement of the piston of the first cylinder 41 drives the two first clamping plates 42 to move away from each other and tightly abut against the inner wall of the pipe 6; the movement of the piston of the second cylinder 43 drives the second clamping plates 44 to approach each other and tightly abut against the outer surface of the pipe 6, so as to realize the firm fixation of the pipe 6.

[0043] The circuits, electronic components and modules involved are all prior art and can be completely realized by those skilled in the art without further elaboration. The content protected by the present invention also does not involve the improvement of software and methods.

[0044] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An engineering pipe compressive strength detection device, comprising a support assembly (1), an adjustment assembly (2), two movable assemblies (3), two fixed assemblies (4) and a compressive strength detection assembly (5), characterized in that: The support assembly (1) includes a fixing frame (11); The adjusting assembly (2) includes a motor (21), the motor (21) is connected to one side of the fixing frame (11), the output shaft of the motor (21) is connected to a threaded rod (22), the threaded rod (22) is rotatably connected within the fixing frame (11), and two threaded plates (23) are threadedly connected to the threaded rod (22); The movable assembly (3) includes a plurality of limiting rods (31), the plurality of limiting rods (31) are all slidably connected to the threaded plates (23), one end of the plurality of limiting rods (31) located on both sides and away from each other is connected to a connecting frame (32), one end of the plurality of limiting rods (31) located on both sides and close to each other is connected to a movable plate (33), springs (34) are sleeved outside the plurality of limiting rods (31), and two ends of the springs (34) are respectively connected to the movable plate (33) and the threaded plates (23); The fixing assembly (4) includes a first cylinder (41) and two second cylinders (43), the two first cylinders (41) and the four second cylinders (43) are respectively connected to the surfaces of the two movable plates (33) close to each other, both ends of the first cylinder (41) are connected to a first clamping plate (42), one end of the two second cylinders (43) close to each other is connected to a second clamping plate (44), the same pipe (6) is lapped between a plurality of corresponding first clamping plates (42) and second clamping plates (44), and two ends of the pipe (6) are respectively lapped on the surfaces of the two movable plates (33) close to each other; The compressive strength detection assembly (5) includes a third cylinder (51), the third cylinder (51) is connected to the top of the fixing frame (11), the bottom end of the third cylinder (51) is connected to a connecting plate (52), a pressure sensor (53) is connected to the lower surface of the connecting plate (52), a pressing plate (54) is connected to the bottom of the pressure sensor (53), and the pressing plate (54) is arranged directly above the pipe (6).

2. The compressive strength detection device for engineering pipes according to claim 1, characterized in that: A limiting groove (12) and two sliding grooves (14) are formed in the fixing frame (11), and two guiding rods (13) are connected within the fixing frame (11).

3. The engineering pipe compressive strength detection device according to claim 1, characterized in that: The threaded plates (23) are slidably connected outside the two guiding rods (13), and the bottom of the threaded plates (23) is slidably connected within the limiting groove (12).

4. The engineering pipe compressive strength detection device according to claim 1, characterized in that: Both the first clamping plate (42) and the second clamping plate (44) are arc-shaped, and the two first clamping plates (42) are arranged between the two second clamping plates (44).

5. The compressive strength testing device for engineering pipes according to claim 1, wherein: The threaded rod (22) is arranged within the limiting groove (12).

6. The engineering pipe compressive strength detection device according to claim 1, characterized in that: The connecting plate (52) is slidably connected within the two sliding grooves (14).

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