A plumbing pipe pressure testing machine

Abstract

The utility model discloses a kind of water supply and drainage pipe material pressure testing machine, belong to pipe material detection technical field, including base, recess is opened on the top end side surface of base, recess is slidably connected with moving plate, the top end of moving plate is fixed with placing seat, multiple slot openings are passed through and are opened on the side surface of placing seat, clamping assembly is arranged in the inside of slot opening, the both sides of placing seat are provided with multiple pressing plate and multiple pressing plate and multiple slot openings are set one by one, push liquid component is set on placing seat;The utility model inserts the pipe fitting in the inside of slot opening by clamping assembly and is evenly clamped in multiple point mode, while pipe fitting is clamped fixed, pipe fitting is positioned to the center position of slot opening, so that pipe fitting and pressing plate are automatically adjusted alignment, while being set clamping assembly can be clamped and positioned to different specifications and models of pipe fitting, multiple pipe fittings can be synchronously pressure testing detection in one time, effectively improve the detection efficiency of multiple pipe fittings.

Description

Technical Field

[0001] This utility model relates to the field of pipe testing technology, and in particular to a pressure testing machine for water supply and drainage pipes. Background Technology

[0002] Water supply and drainage pipes are used to drain rainwater and sewage. Once laid underground, these pipes are at risk of bursting due to quality issues. A burst pipe leads to leaks, disrupting the drainage system. Therefore, after production, water supply and drainage pipes undergo pressure testing. Current testing methods involve using a pressure testing machine to pressurize the sealed pipe with water, thus verifying its quality.

[0003] For example, Chinese Patent Publication No. CN211855808U discloses a pressure testing machine for water supply and drainage pipes. This pressure testing machine includes a frame, at least two sets of lifting devices disposed within the frame for placing water supply and drainage pipes within the frame, at least two sets of positioning clamps for supporting and fixing the water supply and drainage pipes, and sealing devices for sealing both ends of the water supply and drainage pipes. A water supply system for injecting water into the water supply and drainage pipes is connected to the sealing device located at one end of the water supply and drainage pipe. This invention employs a fully automatic pressure testing method, enabling efficient pressure testing of water supply and drainage pipes, thereby achieving the purpose of detecting the quality and lifespan of the water supply and drainage pipes.

[0004] For example, Chinese Patent Publication No. CN217211396U discloses a pressure testing machine for engineering water supply and drainage pipes. This utility model includes a support and a pipe body. Both ends of the top of the support are equipped with U-shaped placement plates. The two ends of the pipe body are respectively placed on the two placement plates, and fixing components for fixing the pipe body are installed on the placement plates. This utility model places the two ends of the pipe body on the two placement plates and fixes them with fixing components. When the electric push rod operates, its piston rod pushes the adjusting plate to slide along the adjusting frame, thereby allowing the insertion tube to be inserted into the pipe opening of the pipe body. Due to the conical structure of the rubber sleeve, the inner wall of the pipe opening will abut against the rubber sleeve. Due to the deformable nature of the rubber sleeve, as the insertion tube gradually penetrates deeper into the pipe opening, the inner wall of the pipe opening will squeeze the rubber sleeve, thereby achieving a sealing effect. Sealing or unsealing is convenient and quick.

[0005] The drainage pipe pressure testing machines mentioned above can typically only test a single pipe at a time. When testing multiple pipes, it is necessary to repeatedly fix and test each pipe individually, which is cumbersome, inefficient, and increases the workload and labor intensity of the staff.

[0006] Therefore, it is necessary to provide a pressure testing machine for water supply and drainage pipes to solve the above-mentioned technical problems. Utility Model Content

[0007] The purpose of this utility model is to provide a pressure testing machine for water supply and drainage pipes to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention provides the following solution to the aforementioned technical problems: a water supply and drainage pipe pressure testing machine, comprising a base, a groove on the top side of the base, a movable plate slidably connected in the groove, a placement seat fixed on the top of the movable plate, a plurality of equally spaced slots through the side of the placement seat, a clamping component inside the slots, a plurality of pressure plates on both sides of the placement seat corresponding one-to-one with the plurality of slots, and a liquid pushing component communicating with the clamping component on the placement seat.

[0009] As a further embodiment of this utility model, the clamping assembly includes a liquid cavity opened around the slot opening, and an inner tube communicating with the slot opening is fixed inside the liquid cavity. Multiple inner tubes are provided and the multiple inner tubes are symmetrically distributed. A clamping rod is inserted into the inner tube, and a piston plate a is fixed on one end of the clamping rod and fits tightly against the inner sidewall of the inner tube.

[0010] As a further embodiment of this utility model, the end of the clamping rod away from the piston plate a extends into the slot and a rubber pad a is attached and fixed thereon, and the end of the clamping rod extending into the slot is provided with an arc end.

[0011] As a further embodiment of this utility model, the liquid pushing assembly includes a liquid cylinder fixed on the placement seat and communicating with the liquid cavity. A nut sleeve is fixed inside the end of the liquid cylinder away from the placement seat. A threaded rod is threadedly connected inside the nut sleeve. A piston plate b is fixed on one end of the threaded rod and fits tightly against the inner sidewall of the liquid cylinder.

[0012] As a further embodiment of this utility model, a handle is fixed to one end of the threaded rod located outside the liquid cylinder, and a rubber sleeve is fitted onto the surface of the handle.

[0013] As a further embodiment of this utility model, a T-shaped block is fixed on the bottom end of the movable plate, and a sliding groove adapted to slide the T-shaped block is provided on the bottom surface of the groove.

[0014] As a further embodiment of this utility model, two support plates symmetrically distributed on both sides of the placement seat are fixed on the top of the base. An electric push rod is fixed on the side of the support plate near the placement seat. A connecting plate is fixed on the output end of the electric push rod. Multiple connecting rods corresponding to the slot openings are fixed on the side of the connecting plate near the placement seat. The pressure plate is fixed to the end of the connecting rod. An infusion chamber is opened inside the connecting rod. An infusion pipe communicating with the infusion chamber is fixed on the connecting rod.

[0015] As a further embodiment of this utility model, a rubber pad b is attached and fixed to the side of the pressure plate near the placement seat, and a handle is fixed to the movable plate.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. The clamping assembly clamps the pipe fittings inserted into the slot evenly at multiple points. While clamping and fixing the pipe fittings, it also positions the pipe fittings at the center of the slot, so that the pipe fittings and pressure plates are automatically adjusted and aligned. At the same time, it can clamp and position pipe fittings of different specifications and models within a certain range, effectively improving the overall applicability and practicality.

[0018] 2. Multiple pipe fittings can be pressure tested simultaneously at one time, eliminating the need to clamp and position each pipe fitting individually before pressure testing. This makes the testing operation convenient and effectively improves the testing efficiency for multiple pipe fittings. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 This is a three-dimensional view of the overall structure of this utility model;

[0021] Figure 2 This is a front view of the clamping assembly of this utility model.

[0022] Figure 3 This is a partial structural diagram of the T-shaped block of this utility model;

[0023] Figure 4 This is a schematic diagram of a partial structure of the infusion chamber of this utility model;

[0024] Figure 5 This is a cross-sectional view of the liquid-pushing component of this utility model;

[0025] Figure 6 for Figure 5 Enlarged view of the structure at point A in the middle;

[0026] Figure 7 This is a partial structural diagram of the clamping component of this utility model.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1. Clamping assembly; 101. Liquid chamber; 102. Clamping rod; 103. Inner tube; 104. Rubber pad a; 105. Arc end; 106. Piston plate a; 2. Liquid pushing assembly; 201. Liquid cylinder; 202. Piston plate b; 203. Threaded rod; 204. Nut sleeve; 205. Handle rod; 3. Placement seat; 4. Slot; 5. Base; 6. Moving plate; 7. Groove; 8. Liquid inlet pipe; 9. Pressure plate; 10. Connecting rod; 11. Electric push rod; 12. Support plate; 13. T-block; 14. Connecting plate; 15. Infusion chamber; 16. Rubber pad b; 17. Handle. Detailed Implementation

[0029] The present invention will be further described below with reference to the embodiments.

[0030] Please see Figure 1-7This utility model provides a pressure testing machine for water supply and drainage pipes, including a base 5. A groove 7 is formed on the top side of the base 5, and a movable plate 6 is slidably connected within the groove 7. A placement seat 3 is fixed to the top of the movable plate 6. Multiple equally spaced slots 4 are formed through the side of the placement seat 3, and clamping components 1 are installed inside the slots 4. Multiple pressure plates 9 are provided on both sides of the placement seat 3, and each pressure plate 9 corresponds to one slot 4. Two symmetrically distributed support plates 12 are fixed to the top of the base 5 on both sides of the placement seat 3. A [missing information - likely a component or element] is fixed to the side of the support plates 12 near the placement seat 3. An electric push rod 11 has a connecting plate 14 fixed to its output end. Multiple connecting rods 10 corresponding to slots 4 are fixed to the side of the connecting plate 14 near the placement base 3. A pressure plate 9 is fixed to the end of the connecting rod 10. An infusion chamber 15 is opened inside the connecting rod 10, and an inlet pipe 8 communicating with the infusion chamber 15 is fixed to the connecting rod 10. A push-pull assembly 2 communicating with the clamping assembly 1 is provided on the placement base 3. In use, multiple tubes are inserted into the multiple slots 4, and the clamping assembly 1 clamps the inserted tubes at multiple points evenly. While clamping and fixing the pipe fitting, the pipe fitting is positioned at the center of the slot 4, thereby automatically aligning the pipe fitting and the pressure plate 9. Simultaneously, the clamping assembly 1 can clamp and position pipe fittings of different specifications, effectively improving the overall applicability and practicality. After the pipe fitting is clamped and positioned inside the slot 4, the electric push rod 11 is activated. The output end of the electric push rod 11 drives the connecting plate 14 towards the placement seat 3, thereby causing the pressure plate 9 to move closer to the pipe fitting's port and press firmly against it. 9. Tightly seal both ends of the pipe fitting. At this time, the infusion chamber 15 is located at the center of the pipe fitting end. The infusion pipe 8 is connected to a water pump. Water with a certain water pressure is delivered to the infusion chamber 15 through the infusion pipe 8, and then delivered to the inside of the pipe fitting through the infusion chamber 15. This creates a certain hydraulic pressure inside the pipe fitting, thereby detecting whether there are cracks or water leakage on the side wall of the pipe fitting. The pipe fitting is pressure tested, realizing simultaneous pressure testing of multiple pipe fittings at one time. This eliminates the need to clamp and position each pipe fitting individually before pressure testing, making the testing operation convenient and effectively improving the testing efficiency of multiple pipe fittings.

[0031] Further as Figure 3 , Figure 5 , Figure 6 and Figure 7As shown, it is worth noting that the clamping assembly 1 includes a liquid cavity 101 located around the slot opening 4. An inner tube 103 communicating with the slot opening 4 is fixed inside the liquid cavity 101. Multiple inner tubes 103 are provided and symmetrically distributed. A clamping rod 102 is inserted into each inner tube 103, and a piston plate a106 that fits tightly against the inner wall of the inner tube 103 is fixed to one end of the clamping rod 102. In operation, the tube is inserted into the slot opening 4, and liquid is injected into the liquid cavity 101. The liquid creates hydraulic pressure inside the liquid chamber 101, which synchronously pushes multiple piston plates a106 to move within the inner pipe 103. This causes multiple clamping rods 102 to clamp the pipe fitting inserted into the slot 4 at multiple points evenly. While clamping and fixing the pipe fitting, the pipe fitting is positioned at the center of the slot 4, allowing the pipe fitting and pressure plate 9 to automatically adjust and align. At the same time, it can clamp and position pipe fittings of different specifications and models within a certain range, effectively improving the overall applicability and practicality.

[0032] Further as Figure 3 , Figure 5 and Figure 6 As shown, it is worth noting that the liquid pushing assembly 2 includes a liquid cylinder 201 fixed on the placement seat 3 and communicating with the liquid chamber 101. A nut sleeve 204 is fixed inside the end of the liquid cylinder 201 away from the placement seat 3. A threaded rod 203 is threadedly connected inside the nut sleeve 204. A piston plate b202 that fits tightly against the inner wall of the liquid cylinder 201 is fixed to one end of the threaded rod 203. Both the liquid cylinder 201 and the liquid chamber 101 are filled with liquid, which can be water or hydraulic oil. By rotating the threaded rod 203, the threaded rod 203 drives the piston plate b202 to move inside the liquid cylinder 201, thereby pressing the liquid inside the liquid cylinder 201 into the liquid chamber 101 through the piston plate b202. This allows the liquid to simultaneously push multiple clamping rods 102, achieving multi-point clamping of the pipe fitting by multiple clamping rods 102.

[0033] Further as Figure 3 and Figure 6 As shown, it is worth noting that a handle rod 205 is fixed on one end of the threaded rod 203 located outside the liquid cylinder 201, and a rubber sleeve is fitted onto the surface of the handle rod 205; in actual operation, the threaded rod 203 can be easily rotated by the handle rod 205, which facilitates operation.

[0034] Further as Figure 1 and Figure 3As shown, it is worth noting that a T-shaped block 13 is fixed on the bottom of the movable plate 6, and a sliding groove is provided on the bottom surface of the groove 7 to slide and adapt to the T-shaped block 13. The movable plate 6 drives the T-shaped block 13 to slide in the sliding groove, thereby guiding and limiting the movement adjustment of the movable plate 6. When installing pipe fittings, the movable plate 6 is pulled out from the inside of the groove 7 to facilitate the insertion of the pipe fitting into the slot 4, which is convenient for operation. After being inserted into the slot 4, the movable plate 6 is pushed into the groove 7 to facilitate the pressing and sealing of the pipe fitting port by the pressure plate 9.

[0035] This solution has the following working process: By pulling the moving plate 6 out from the inside of the groove 7, multiple pipe fittings are inserted into the inside of multiple slots 4 respectively. By rotating the threaded rod 203, the threaded rod 203 drives the piston plate b202 to move inside the liquid cylinder 201, thereby pressing the liquid inside the liquid cylinder 201 into the liquid chamber 101 through the piston plate b202. The liquid chamber 101 has hydraulic pressure, thereby hydraulically pushing multiple piston plates a106 to move within the inner pipe 103, so that multiple clamping rods 102 clamp the pipe fittings inserted into the slots 4 at multiple points evenly, clamping and fixing the pipe fittings while positioning them at the center position of the slot 4, thus automatically causing the pipe fittings and pressure plate 9 to... Adjust the alignment, then push the moving plate 6 into the groove 7; drive the connecting plate 14 towards the placement seat 3 through the output end of the electric push rod 11, thereby driving the pressure plate 9 to approach the port of the pipe fitting and pressing the pressure plate 9 tightly onto the port of the pipe fitting, thereby sealing both ends of the pipe fitting through the pressure plate 9. At this time, the infusion chamber 15 is located at the center of the pipe fitting port. Water with a certain water pressure is delivered into the infusion chamber 15 through the infusion pipe 8, and then delivered into the inside of the pipe fitting through the infusion chamber 15, thereby giving the pipe fitting a certain hydraulic pressure, thereby detecting whether there are cracks and water leakage on the side wall of the pipe fitting, and performing pressure testing on the pipe fitting. Multiple pipe fittings can be pressure tested simultaneously at one time.

[0036] Further as Figure 1 and Figure 3 As shown, it is worth noting that a rubber pad b16 is fixedly attached to the side of the pressure plate 9 near the placement seat 3, and a handle 17 is fixed on the moving plate 6. In actual operation, the rubber pad b16 effectively increases the sealing performance of the pressure plate 9 on the pipe fitting port.

[0037] Further as Figure 7 As shown, it is worth noting that the end of the clamping rod 102 away from the piston plate a106 extends into the slot 4 and a rubber pad a104 is attached and fixed thereon. The end of the clamping rod 102 that extends into the slot 4 is provided with an arc end 105. In actual operation, the rubber pad a104 increases the friction between the clamping rod 102 and the outer surface of the pipe, thereby increasing the stability of the clamping of the pipe.

[0038] In summary: The clamping component 1 clamps the pipe fittings inserted into the slot 4 at multiple points evenly, fixing the pipe fittings and positioning them at the center of the slot 4, thus automatically aligning the pipe fittings and the pressure plate 9. Furthermore, the clamping component 1 can clamp and position pipe fittings of different specifications, effectively improving the overall applicability and practicality. Multiple pipe fittings can be pressure tested simultaneously, eliminating the need to clamp and position each pipe fitting individually before pressure testing. This convenient testing operation significantly improves the efficiency of testing multiple pipe fittings.

[0039] The electric linear actuator 11 can be purchased from the market. The electric linear actuator 11 is equipped with a power supply. It is a mature technology in this field and has been fully disclosed. Therefore, it will not be described again in the specification.

Claims

1. A pressure testing machine for water supply and drainage pipes, comprising a base, characterized in that, The top side of the base has a groove, and a movable plate is slidably connected in the groove. A placement seat is fixed on the top of the movable plate. Multiple equally spaced slots are opened through the side of the placement seat. A clamping component is installed inside the slot. Multiple pressure plates are provided on both sides of the placement seat, and the multiple pressure plates are arranged one-to-one with the multiple slots. A liquid pushing component is provided on the placement seat and communicates with the clamping component.

2. The water supply and drainage pipe pressure testing machine according to claim 1, characterized in that, The clamping assembly includes a liquid cavity opened around the slot opening. An inner tube communicating with the slot opening is fixed inside the liquid cavity. Multiple inner tubes are provided and are symmetrically distributed. A clamping rod is inserted into the inner tube. A piston plate a is fixed to one end of the clamping rod and fits tightly against the inner sidewall of the inner tube.

3. The water supply and drainage pipe pressure testing machine according to claim 2, characterized in that, The end of the clamping rod away from the piston plate a extends into the slot and a rubber pad a is attached and fixed thereon. The end of the clamping rod that extends into the slot has an arc end.

4. The water supply and drainage pipe pressure testing machine according to claim 3, characterized in that, The liquid pushing assembly includes a liquid cylinder fixed on the placement seat and communicating with the liquid cavity. A nut sleeve is fixed inside the end of the liquid cylinder away from the placement seat. A threaded rod is threadedly connected inside the nut sleeve. A piston plate b is fixed on one end of the threaded rod and fits tightly against the inner side wall of the liquid cylinder.

5. The water supply and drainage pipe pressure testing machine according to claim 4, characterized in that, A handle is fixed to one end of the threaded rod located outside the liquid cylinder, and a rubber sleeve is fitted onto the surface of the handle.

6. The water supply and drainage pipe pressure testing machine according to claim 1, characterized in that, A T-shaped block is fixed to the bottom of the movable plate, and a sliding groove is provided on the bottom surface of the groove to adapt to the sliding of the T-shaped block.

7. The water supply and drainage pipe pressure testing machine according to claim 6, characterized in that, Two symmetrically distributed support plates are fixed on the top of the base. An electric push rod is fixed on the side of the support plate near the placement seat. A connecting plate is fixed on the output end of the electric push rod. Multiple connecting rods corresponding to the slot openings are fixed on the side of the connecting plate near the placement seat. The pressure plate is fixed to the end of the connecting rod. An infusion chamber is opened inside the connecting rod. An infusion pipe communicating with the infusion chamber is fixed on the connecting rod.

8. The water supply and drainage pipe pressure testing machine according to claim 7, characterized in that, A rubber pad b is fixedly attached to the side of the pressure plate near the placement seat, and a handle is fixed to the movable plate.

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