Pipe wear resistance detection experiment device

Abstract

The utility model discloses a pipe wear resistance detection experiment device, which comprises a base, supports and a rack, the supports are respectively arranged on two sides of the base, the rack is arranged above the base, two sides of the rack are respectively and rotatably connected with the two supports, a motor is arranged on the base, and the motor drives the rack to swing up and down through a connecting rod mechanism. A fixing mechanism used for fixing a pipe is installed on the machine frame. By arranging the fixing mechanism, on one hand, a lead screw is used for applying force to an end cover at one end of a pipe and is matched with a fixing end head at the other end of the pipe, so that the pipe is clamped and fixed, and the pipe is prevented from shaking and rotating in the swinging process; on the other hand, the adaptability of the device to the length of the pipe is improved through movement of the lead screw; the supporting frame is arranged, the rack is restrained through the supporting frame, the rack is made to be in a stable state, and therefore the pipe can be conveniently installed and fixed to the rack.

Description

Technical Field

[0001] This utility model relates to the field of pipe testing technology, and more specifically, to a pipe wear resistance testing experimental device. Background Technology

[0002] With the widespread application of solid particle hydraulic conveying technology in mining, water conservancy and other fields, plastic pipes have gradually replaced traditional metal pipes due to their excellent corrosion resistance and low flow resistance, becoming the main carrier of the conveying medium. However, wear is a major problem facing pipes, posing a serious challenge to their service life and performance.

[0003] In the prior art, utility model patent CN202420998U discloses a swing-type plastic pipe abrasion resistance testing device. During pipe testing, the pipe wall thickness is first measured, and then the pipe is securely mounted on a rotatable pipe holder. This holder is connected via bearing seats to ensure flexible swinging. Next, a mortar mixture is injected into the pipe, and a motor is started to drive the power disc to rotate, causing the pipe holder to swing. After the mortar has fully reacted for a period of time, the pipe wall thickness is measured again, and the data is compared to achieve the testing purpose.

[0004] Utility model patent CN204374019U discloses a device for testing the abrasion resistance of plastic pipes. Based on this device, it optimizes the problem of unstable radial and axial fixation of the pipes by introducing a flap structure that matches the pipe material. By introducing a flap structure that matches the pipe material, the problem of unstable radial and axial fixation of the pipes is effectively solved.

[0005] The above-mentioned device has solved the problem of pipe wear resistance testing to a certain extent, but it still has shortcomings such as poor adaptability to pipe length and unstable fixation, so there is still room for improvement. Utility Model Content

[0006] The purpose of this invention is to overcome the shortcomings of the prior art and provide a test device for testing the wear resistance of pipes.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A pipe wear resistance testing device includes a base, a support, and a frame. The support is installed on both sides of the base, and the frame is located above the base. Two supports are rotatably connected to both sides of the frame. A motor is installed on the base, and the motor drives the frame to swing up and down through a linkage mechanism. A fixing mechanism for fixing the pipe is installed on the frame.

[0009] Furthermore, the linkage mechanism includes a first link, a second link, and a connecting frame. One end of the first link is mounted on the output shaft of the motor, and the other end of the first link is hinged to one end of the second link. The other end of the second link is hinged to one end of the connecting frame, and the other end of the connecting frame is mounted on the frame.

[0010] Furthermore, the fixing mechanism includes a handwheel, a lead screw, a fixing block, a clamp, and a fixing end. The lead screw is threadedly connected to the fixing block, and the fixing block is installed at one end of the frame. The handwheel is installed at one end of the lead screw, and the clamp is installed at the other end of the lead screw for connecting one end of the pipe. The fixing end is installed at the other end of the frame for connecting the other end of the pipe.

[0011] Furthermore, both ends of the pipe are equipped with end caps for sealing the pipe. One end cap is connected to a clamp, and the other end cap is connected to a fixed end. The end caps have grooves for fitting the pipe.

[0012] Furthermore, a sealing gasket is installed at the bottom of the groove, and the sealing gasket abuts against the end face of the pipe when the end cap seals the pipe.

[0013] Furthermore, the end cap is provided with a plurality of screw holes along its circumference, and bolts are screwed into the screw holes. The end cap is fixed to the pipe by the bolt ends abutting against the outer wall of the pipe.

[0014] Furthermore, the frame is equipped with a support plate for supporting the pipe, and the support plate is provided with an arc-shaped groove adapted to the pipe.

[0015] Furthermore, a support frame is installed on the base for supporting the frame during pipe installation.

[0016] Furthermore, a bearing seat is installed on the bracket, and rotating shafts adapted to the bearing seats are installed on both sides of the frame, and the rotating shafts are rotatably connected to the bearing seats.

[0017] The beneficial effects of this utility model are:

[0018] 1. In this utility model, by setting a fixing mechanism, on the one hand, the screw applies force to the end cap at one end of the pipe and cooperates with the fixed end at the other end of the pipe to clamp and fix the pipe, preventing the pipe from shaking or rotating during swinging; on the other hand, the movement of the screw improves the adaptability of the device to the length of the pipe.

[0019] 2. In this utility model, by setting a support plate, the pipe is longitudinally supported, and at the same time, the pipe is laterally clamped in conjunction with the screw rod and the fixed end, so as to improve the stability of the pipe fixing.

[0020] 3. In this utility model, by setting up a support frame, the frame is constrained by the support frame, so that the frame is in a stable state, thereby facilitating the installation and fixing of the pipe to the frame. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a pipe wear resistance testing device in this embodiment;

[0022] Figure 2 This is a schematic diagram of the pipe wear resistance testing device from another perspective in this embodiment;

[0023] Figure 3 This is a schematic diagram of a connection structure between the fixing mechanism and the pipe in this embodiment;

[0024] Figure 4 This is a cross-sectional view of the pipe in this embodiment;

[0025] Figure 5 This is a schematic diagram of one structure of the end cap in this embodiment.

[0026] Reference numerals in the attached drawings: 1. Base; 2. Support; 3. Frame; 301. Rotating shaft; 4. Motor; 5. Linkage mechanism; 501. First link; 502. Second link; 503. Connecting frame; 6. Fixing mechanism; 6. Handwheel; 601. Lead screw; 602. Fixing block; 603. Clamp; 604. Fixing end; 605. End cap; 7. Groove; 701. Sealing gasket; 702. Screw hole; 703. Bolt; 704. Support plate; 8. Arc groove; 801. Bearing seat; 9. Pipe; 10. Support frame; 11. Detailed Implementation

[0027] 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.

[0028] Example: A test apparatus for testing the wear resistance of pipes, such as Figures 1-5 As shown, it includes a base 1, a bracket 2, and a frame 3. There are two brackets 2, which are installed on both sides of the base 1 respectively. The frame 3 is a square frame structure located above the base 1, and the two brackets 2 are rotatably connected to both sides of the frame 3 respectively. A motor 4 is installed on the base 1. The motor 4 drives the frame 3 to swing up and down through a linkage mechanism 5. A fixing mechanism 6 for fixing the pipe 10 is installed on the frame 3.

[0029] During the experiment, the pipe 10 loaded with mortar mixture was placed on the frame 3 and fixed by the fixing mechanism 6. Then, the motor 4 was started, and the motor 4 drove the frame 3 to swing up and down (such as swinging up and down ±22.5°) through the linkage mechanism 5 to conduct a wear resistance test on the pipe 10.

[0030] Furthermore, such as Figure 1 and Figure 2 As shown, the linkage mechanism 5 includes a first link 501, a second link 502, and a connecting frame 503. One end of the first link 501 is mounted on the output shaft of the motor 4, and the other end of the first link 501 is hinged to one end of the second link 502. The other end of the second link 502 is hinged to one end of the connecting frame 503, and the other end of the connecting frame 503 is mounted on the frame 3. The connecting frame 503 has a triangular structure.

[0031] By setting up the linkage mechanism 5, the linkage mechanism 5 plays a transmission role, so that the motor 4 can drive the frame 3 to swing up and down; and the connecting frame 503 in the linkage mechanism 5 is set in a triangular structure to improve the stability of the frame 3 when swinging up and down.

[0032] Furthermore, such as Figures 3-5 As shown, both ends of the pipe 10 are equipped with end caps 7 for sealing the pipe 10. The end caps 7 have grooves 701 for fitting the pipe 10. By setting the end caps 7, the end caps 7 can seal the pipe 10 and prevent the mortar mixture inside the pipe 10 from leaking out when the pipe 10 swings up and down.

[0033] like Figure 4 As shown, a sealing gasket 702 is installed at the bottom of the groove 701. When the end cap 7 covers the pipe 10, the sealing gasket 702 abuts against the end face of the pipe 10. By setting the sealing gasket 702, the sealing performance of the end cap 7 covering the pipe 10 is ensured.

[0034] like Figures 3-5 As shown, the end cap 7 has multiple screw holes 703 along its circumference. The screw holes 703 are connected to the grooves 701. Bolts 704 are screwed into the screw holes 703. When the end cap 7 covers the pipe 10, the end cap 7 is fixed to the pipe 10 by the end of the bolt 704 abutting against the outer wall of the pipe 10, so as to ensure the stability of the end cap 7 covering the pipe 10. At the same time, the screw connection between the screw holes 703 and the bolts 704 realizes the convenient installation between the end cap 7 and the pipe 10.

[0035] Furthermore, such as Figures 1-4As shown, the fixing mechanism 6 includes a handwheel 601, a lead screw 602, a fixing block 603, a clamp 604, and a fixing end 605. The lead screw 602 is threadedly connected to the fixing block 603, and the fixing block 603 is installed at one end of the frame 3. The handwheel 601 is installed at one end of the lead screw 602, and the clamp 604 is installed at the other end of the lead screw 602 for connecting the end cap 7 at one end of the pipe 10. The fixing end 605 is installed at the other end of the frame 3 for connecting the end cap 7 at the other end of the pipe 10.

[0036] Before the experiment, the other end of the pipe 10 is first sealed with the end cap 7. Then, an appropriate amount of mortar mixture is injected into the pipe 10. After the injection is completed, the end cap 7 is used to seal one end of the pipe 10. At the same time, the clamp 604 is installed on the end cap 7 with screws. Next, the pipe 10 is placed on the frame 3, and the end cap 7 at the other end of the pipe 10 is fixed to the fixed end 605 with screws. Then, the handwheel 601 is turned to drive the lead screw 602 to rotate, so that the other end of the lead screw 602 moves toward the end cap 7 at one end of the pipe 10 until the other end of the lead screw 602 passes through the clamp 604 and abuts against the end cap 7 at one end of the pipe 10. Then, the handwheel 601 is stopped, and the clamp 604 is clamped to the other end of the lead screw 602.

[0037] By setting the fixing mechanism 6, on the one hand, the screw 602 applies force to the end cap 7 at one end of the pipe 10 and cooperates with the fixing end 605 at the other end of the pipe 10 to clamp and fix the pipe 10, preventing the pipe 10 from shaking or rotating during the swinging process; on the other hand, the movement of the screw 602 improves the adaptability of the device to the length of the pipe 10.

[0038] Furthermore, such as Figure 1 and Figure 2 As shown, a support plate 8 for supporting the pipe 10 is installed on the frame 3. The support plate 8 has an arc-shaped groove 801 adapted to the pipe 10. When the pipe 10 is placed on the frame 3, the outer wall of the pipe 10 abuts against the arc-shaped groove 801 on the support plate 8. By setting the support plate 8, the pipe 10 is longitudinally supported, and at the same time, the pipe 10 is laterally clamped in conjunction with the screw 602 and the fixed end 605, thereby improving the stability of the pipe 10.

[0039] Furthermore, such as Figure 1 As shown, a bearing seat 9 is installed on the bracket 2, and rotating shafts 301 adapted to the bearing seat 9 are installed on both sides of the frame 3. The rotating shafts 301 are rotatably connected to the bearing seat 9, so that the frame 3 is rotatably connected to the bracket 2.

[0040] Furthermore, such as Figure 1 and Figure 2As shown, a support frame 11 is installed on the base 1. The support frame 11 is used to support the frame 3 when installing the pipe 10. Before the experiment, the connection between the linkage mechanism 5 and the frame 3 is first removed (e.g., the connection between the second linkage 502 and the connecting frame 503 is disconnected). The rotating shafts 301 on both sides of the frame 3 are placed on the bearing seats 9. Then, the frame 3 is fixed vertically and fixed by the support frame 11. Next, the pipe 10 loaded with mortar mixture and sealed at both ends is placed on the frame 3. The pipe 10 is clamped and fixed by the fixed end 605 and the lead screw 602. After the pipe 10 is fixed, the frame 3 is released from the restraint of the support frame 11 and the installation is completed. Then, the motor 4 is started to conduct the wear resistance test of the pipe 10.

[0041] By setting up the support frame 11, the frame 3 is constrained by the support frame 11, so that the frame 3 is in a stable state, which makes it easier to install and fix the pipe 10 to the frame 3.

[0042] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A test apparatus for testing the wear resistance of pipes, comprising a base (1), a support (2), and a frame (3), characterized in that, The brackets (2) are respectively installed on both sides of the base (1), the frame (3) is located above the base (1), and the two brackets (2) are rotatably connected to both sides of the frame (3). A motor (4) is installed on the base (1), and the motor (4) drives the frame (3) to swing up and down through the linkage mechanism (5). A fixing mechanism (6) for fixing the pipe (10) is installed on the frame (3). The linkage mechanism (5) includes a first link (501), a second link (502), and a connecting frame (503). One end of the first link (501) is mounted on the output shaft of the motor (4), and the other end of the first link (501) is hinged to one end of the second link (502). The other end of the second link (502) is hinged to one end of the connecting frame (503), and the other end of the connecting frame (503) is mounted on the frame (3). The fixing mechanism (6) includes a handwheel (601), a lead screw (602), a fixing block (603), a clamp (604), and a fixing end (605). The lead screw (602) is threadedly connected to the fixing block (603), and the fixing block (603) is installed at one end of the frame (3). The handwheel (601) is installed at one end of the lead screw (602), and the clamp (604) is installed at the other end of the lead screw (602) for connecting one end of the pipe (10). The fixing end (605) is installed at the other end of the frame (3) for connecting the other end of the pipe (10).

2. The pipe wear resistance testing apparatus according to claim 1, characterized in that, Both ends of the pipe (10) are equipped with end caps (7) for sealing the pipe (10). One end cap (7) is connected to a clamp (604), and the other end cap (7) is connected to a fixed end (605). The end cap (7) has a groove (701) for fitting the pipe (10).

3. The pipe wear resistance testing apparatus according to claim 2, characterized in that, A sealing gasket (702) is installed at the bottom of the groove (701), and the sealing gasket (702) abuts against the end face of the pipe (10) when the end cap (7) seals the pipe (10).

4. The pipe wear resistance testing apparatus according to claim 2, characterized in that, The end cap (7) is provided with a plurality of screw holes (703) along its circumference. Bolts (704) are screwed into the screw holes (703). The end cap (7) is fixed to the pipe (10) by the end of the bolt (704) abutting against the outer wall of the pipe (10).

5. The pipe wear resistance testing apparatus according to claim 1, characterized in that, The frame (3) is equipped with a support plate (8) for supporting the pipe (10), and the support plate (8) is provided with an arc groove (801) adapted to the pipe (10).

6. The pipe wear resistance testing apparatus according to claim 1, characterized in that, The base (1) is equipped with a support frame (11) for supporting the frame (3) when installing the pipe (10).

7. The pipe wear resistance testing apparatus according to claim 1, characterized in that, The bracket (2) is equipped with a bearing seat (9), and the two sides of the frame (3) are equipped with rotating shafts (301) that are compatible with the bearing seat (9). The rotating shafts (301) are rotatably connected to the bearing seat (9).

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