Nodular cast iron pipe pressure testing device

Abstract

The utility model discloses a pressure testing device for a nodular cast iron pipe, and relates to the technical field of nodular cast iron pipes. The device comprises a bottom plate, a fixing column is fixedly connected to the top of the bottom plate, a first motor is fixedly connected to the front face of the fixing column, a two-way threaded rod is fixedly connected to the output end of the back face of the first motor, a water pump is fixedly connected to the side, close to the fixing column, of the top of the bottom plate, and a water conveying pipe is fixedly connected to the output end of the top of the water pump. And the top of the bottom plate is fixedly connected with a fixed plate. According to the nodular cast iron pipe conveying device, the second rotating block is arranged, specifically, the first rotating block drives the second rotating block to rotate through starting of the second motor, the first rotating block and the second rotating block drive the two moving assemblies to move synchronously while rotating, and a nodular cast iron pipe can move on the top of the fixing plate; a large amount of manpower is saved, the workload of workers is reduced, the production efficiency is improved, and the nodular cast iron pipe can be conveniently conveyed to a detection position.

Description

Technical Field

[0001] The utility model belongs to the technical field of ductile iron pipes, and particularly relates to a pressure testing device for ductile iron pipes. Background Art

[0002] Ductile iron pipes refer to pipes that are centrifugally cast at high speed by a centrifugal ductile iron casting machine after adding a nodulizer to molten iron numbered above No. 18. They are simply referred to as spherical pipes, ductile iron pipes, and ductile iron castings, etc. They are mainly used for the transportation of tap water and are ideal materials for tap water pipelines. A pressure testing device is required in the processing process of ductile iron pipes.

[0003] Since the ductile iron pipe reaches a weight that is usually impossible to lift by ordinary manpower when processed into a semi-finished product, it is not convenient for transportation. Secondly, it also needs to be transported to the location of the pressure testing device, which not only increases the workload of the staff but also requires a lot of time and energy to move it, reducing production efficiency. Therefore, we propose a pressure testing device for ductile iron pipes. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a pressure testing device for ductile iron pipes. By starting the second motor, the first rotating block drives the second rotating block to rotate. While the first rotating block and the second rotating block are rotating, they drive two moving components to move synchronously, enabling the ductile iron pipe to move on the top of the fixed plate, solving the problem that the transportation of existing ductile iron pipes increases the workload of the staff, requires a lot of time and energy to move it, and reduces production efficiency. Therefore, we propose a pressure testing device for ductile iron pipes.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model relates to a pressure testing device for ductile iron pipes, which includes a bottom plate. A fixed column is fixedly connected to the top of the bottom plate. A first motor is fixedly connected to the front of the fixed column. The output end of the first motor on the back is fixedly connected to a bidirectional threaded rod. A water pump is fixedly connected to one side of the top of the bottom plate close to the fixed column. The output end of the water pump on the top is fixedly connected to a water delivery pipe. A fixed plate is fixedly connected to the top of the bottom plate. A fixing hole is opened on the front of the fixed plate. A second motor is fixedly connected to the inner wall of the fixing hole. The output end of the second motor on the back is fixedly connected to a first rotating block. A second rotating block is rotatably connected to the back of the fixed plate. A moving component is arranged on the back of the second rotating block. By setting the second rotating block, specifically, when the second motor is started, the first rotating block drives the second rotating block to rotate. While the first rotating block and the second rotating block rotate, they drive the two moving components to move synchronously, enabling the ductile iron pipe to move on the top of the fixed plate, which not only saves a large amount of manpower but also reduces the workload of the staff, improves production efficiency, and facilitates transporting the ductile iron pipe to the detection position.

[0007] Further, a plurality of placing grooves are opened on the top of the fixed plate. The plurality of placing grooves are arranged in a horizontal array. A limiting groove is opened at the center of the top of the fixed plate. A transmission belt is connected to the outer surface of the first rotating block. The first rotating block is connected to the second rotating block through the transmission belt. The number of the fixed plates is two, and the two fixed plates are symmetrically arranged. The setting of the limiting groove prevents the ductile iron pipe from detaching due to inertia when it enters the inside, improving the safety of the equipment.

[0008] Further, a first moving block is threadedly connected to the outer surface of the bidirectional threaded rod. A first connecting plate is fixedly connected to the back of the first moving block. A sealing ring is fixedly connected to the back of the first connecting plate. A water outlet hole is fixedly connected to the back of the sealing ring. A limiting hole is opened on the right side of the first moving block. A limiting rod is in contact with the inner wall of the limiting hole. By setting the first moving block, specifically, when the first motor is started, the bidirectional threaded rod rotates. The rotation of the bidirectional threaded rod drives the first moving block and the second moving block to move in opposite directions. The sealing block and the sealing ring can seal the ductile iron pipe, and at the same time, they can quickly position and fix the ductile iron pipe, improving the convenience of the device during use.

[0009] Further, the number of the moving components is two, and the two moving components are symmetrically arranged. The parts included in the two moving components are the same. The moving component includes a rotating shaft. A rotating plate is fixedly connected to the front of the rotating shaft. A connecting rod is fixedly connected to the front of the rotating plate. The number of the rotating plates is two, and the two rotating plates are symmetrically arranged with the bidirectional threaded rod as the center. The fronts of the two rotating plates are rotatably connected to a moving plate through a pin shaft. The setting of the connecting rod can connect the two rotating plates, enabling them to achieve the effect of synchronous movement.

[0010] Furthermore, a second moving block is threadedly connected to the outer surface of the bidirectional threaded rod. A second connecting plate is fixedly connected to the front surface of the second moving block, and a sealing block is fixedly connected to the front surface of the second connecting plate. The sealing block can seal one side of the ductile iron pipe, preventing the gas or liquid inside from leaking out.

[0011] Furthermore, the number of the fixing columns is two, and the two fixing columns are symmetrically arranged. The back surface of the water delivery pipe is fixedly connected to the front surface of the first moving block. The fixing columns make the device more stable during operation, preventing shaking and ensuring the normal progress of the test.

[0012] The utility model has the following beneficial effects:

[0013] 1. By setting the second rotating block, specifically, when the second motor is started, the first rotating block drives the second rotating block to rotate. While the first rotating block and the second rotating block are rotating, they drive the two moving components to move synchronously, enabling the ductile iron pipe to move on the top of the fixing plate. This not only saves a large amount of manpower but also reduces the workload of the staff, improves production efficiency, and facilitates the transportation of the ductile iron pipe to the detection position.

[0014] 2. By setting the first moving block, specifically, when the first motor is started, the bidirectional threaded rod rotates. The rotation of the bidirectional threaded rod drives the first moving block and the second moving block to move in opposite directions. The sealing block and the sealing ring can seal the ductile iron pipe, and at the same time, they can quickly position and fix the ductile iron pipe, improving the convenience of the device during use.

[0015] Of course, it is not necessary for any product implementing the utility model to achieve all the above advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a schematic structural diagram of the fixing column of the utility model;

[0018] Figure 2 It is a schematic structural diagram of the fixing plate of the utility model;

[0019] Figure 3 It is for the utility model Figure 2 The enlarged structural diagram of A in it;

[0020] Figure 4 This is a schematic structural diagram of the connecting rod of this utility model;

[0021] Figure 5 For this utility model Figure 4 An enlarged structural diagram of B in it.

[0022] In the accompanying drawings, the list of components represented by each reference numeral is as follows:

[0023] 1. Base plate; 11. Fixed column; 12. Motor 1; 121. Bidirectional threaded rod; 13. Water pump; 131. Water delivery pipe; 2. Fixed plate; 21. Motor 2; 211. Rotating block 1; 212. Transmission belt; 22. Rotating block 2; 23. Placing groove; 24. Limiting groove; 3. Moving block 1; 31. Connecting plate 1; 32. Sealing ring; 33. Water outlet hole; 34. Limiting rod; 4. Rotating shaft; 41. Rotating plate; 411. Connecting rod; 42. Moving plate; 43. Moving component; 5. Moving block 2; 51. Connecting plate 2; 52. Sealing block. Specific embodiments

[0024] Next, the technical solutions in the embodiments of this utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, rather than all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of this utility model.

[0025] Please refer to Figures 1-5 As shown, this utility model is a ductile iron pipe pressure testing device, including a base plate 1. A fixed column 11 is fixedly connected to the top of the base plate 1. A motor 1 12 is fixedly connected to the front of the fixed column 11. A bidirectional threaded rod 121 is fixedly connected to the output end of the back of the motor 1 12. A water pump 13 is fixedly connected to one side of the top of the base plate 1 close to the fixed column 11. A water delivery pipe 131 is fixedly connected to the output end of the top of the water pump 13. A fixed plate 2 is fixedly connected to the top of the base plate 1. A fixing hole is opened on the front of the fixed plate 2. A motor 2 21 is fixedly connected to the inner wall of the fixing hole. A rotating block 1 211 is fixedly connected to the output end of the back of the motor 2 21. A rotating block 2 22 is rotatably connected to the back of the fixed plate 2. A moving component 43 is arranged on the back of the rotating block 2 22. By setting the rotating block 2 22, specifically, when the motor 2 21 is started, the rotating block 1 211 drives the rotating block 2 22 to rotate. While the rotating block 1 211 and the rotating block 2 22 are rotating, the two moving components 43 are driven to move synchronously, so that the ductile iron pipe can move on the top of the fixed plate 2, which not only saves a lot of manpower but also reduces the workload of the staff, improves production efficiency, and also facilitates transporting the ductile iron pipe to the detection position.

[0026] A plurality of placing grooves 23 are formed in the top of the fixing plate 2, and the plurality of placing grooves 23 are arranged in a horizontal array. A limiting groove 24 is formed at the center of the top of the fixing plate 2. A transmission belt 212 is connected to the outer surface of the first rotating block 211, and the first rotating block 211 is connected to the second rotating block 22 through the transmission belt 212. The number of the fixing plates 2 is two, and the two fixing plates 2 are symmetrically arranged.

[0027] A first moving block 3 is threadedly connected to the outer surface of the bidirectional threaded rod 121. A first connecting plate 31 is fixedly connected to the back of the first moving block 3. A sealing ring 32 is fixedly connected to the back of the first connecting plate 31. A water outlet hole 33 is fixedly connected to the back of the sealing ring 32. A limiting hole is formed on the right side of the first moving block 3, and a limiting rod 34 is in contact with the inner wall of the limiting hole. By setting the first moving block 3, specifically, by starting the first motor 12, the bidirectional threaded rod 121 rotates, and the rotation of the bidirectional threaded rod 121 drives the first moving block 3 and the second moving block 5 to move in opposite directions. The sealing block 52 and the sealing ring 32 can seal the ductile iron pipe, and at the same time, they can quickly position and fix the ductile iron pipe, improving the convenience of the device during use.

[0028] The number of the moving assemblies 43 is two, and the two moving assemblies 43 are symmetrically arranged. The parts included in the two moving assemblies 43 are the same. The moving assembly 43 includes a rotating shaft 4. A rotating plate 41 is fixedly connected to the front of the rotating shaft 4. A connecting rod 411 is fixedly connected to the front of the rotating plate 41. The number of the rotating plates 41 is two, and the two rotating plates 41 are symmetrically arranged with the bidirectional threaded rod 121 as the center. The two rotating plates 41 are rotatably connected to a moving plate 42 through a pin shaft on the front.

[0029] A second moving block 5 is threadedly connected to the outer surface of the bidirectional threaded rod 121. A second connecting plate 51 is fixedly connected to the front of the second moving block 5. A sealing block 52 is fixedly connected to the front of the second connecting plate 51.

[0030] The number of the fixing columns 11 is two, and the two fixing columns 11 are symmetrically arranged. The back of the water delivery pipe 131 is fixedly connected to the front of the first moving block 3.

[0031] A specific application of this embodiment is as follows: Place the ductile iron pipe on the first placement groove 23 opened on the fixed plate 2. Start the second motor 21, and the first rotating block 211 drives the second rotating block 22 to rotate through the transmission belt 212. Since the first rotating block 211 and the second rotating block 22 are both fixed with rotating plates 41, and the two rotating shafts 4 are also fixed with rotating plates 41, and they are connected through the connecting rod 411, so that the four rotating plates 41 can rotate synchronously. The rotating plates 41 on the left and right sides are both rotatably connected to the moving plate 42. When the rotating plate 41 drives the moving plate 42 to rotate to a high position, the ductile iron pipe can be jacked forward. When the rotating plate 41 drives the moving plate 42 to move downward, the ductile iron pipe can be placed into the next placement groove 23 until the ductile iron pipe enters the limiting groove 24. Start the first motor 12 to rotate the bidirectional threaded rod 121. Due to the limiting rods 34 arranged below the first moving block 3 and the second moving block 5, the first moving block 3 and the second moving block 5 move in opposite directions at the same time until the sealing ring 32 contacts the sealing block 52 on both sides of the ductile iron pipe until it is fixed and in a sealed state. Start the water pump 13 to make water discharged from the water outlet hole 33 through the water delivery pipe 131 and enter the ductile iron pipe for pressure testing. After the test is completed, start the first motor 12 again to release the ductile iron pipe from the restriction, and transport the ductile iron pipe to the next processing location through the operation of the moving plate 42 again. This device greatly improves the work efficiency, reduces the workload of the staff, and saves a lot of manpower and time.

[0032] In the description of this specification, the descriptions referring to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0033] The above - disclosed preferred embodiments of the utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments to better explain the principle and practical application of the utility model, so that those skilled in the technical field can well understand and utilize the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A ductile iron pipe pressure testing device, comprising a base plate (1), a fixing column (11) fixedly connected to the top of the base plate (1), a motor 1 (12) fixedly connected to the front of the fixing column (11), a bidirectional threaded rod (121) fixedly connected to the output end of the back of the motor 1 (12), a water pump (13) fixedly connected to the side of the top of the base plate (1) close to the fixing column (11), characterized in that: The top output end of the water pump (13) is fixedly connected to a water delivery pipe (131); the top of the bottom plate (1) is fixedly connected to a fixing plate (2); a fixing hole is provided on the front of the fixing plate (2); a second motor (21) is fixedly connected to the inner wall of the fixing hole; a first rotating block (211) is fixedly connected to the back output end of the second motor (21); a second rotating block (22) is rotatably connected to the back of the fixing plate (2); and a moving component (43) is provided on the back of the second rotating block (22).

2. A ductile iron pipe pressure testing device according to claim 1, characterized in that: The top of the fixed plate (2) is provided with a plurality of placement grooves (23), the plurality of placement grooves (23) being arranged in a transverse array, a limiting groove (24) is provided at the center of the top of the fixed plate (2), and a transmission belt (212) is connected to the outer surface of the rotating block 1 (211) for transmission.

3. A ductile iron pipe pressure testing device according to claim 2, characterized in that: The rotating block 1 (211) is connected to the rotating block 2 (22) via a transmission belt (212); the number of the fixed plates (2) is two, and the two fixed plates (2) are symmetrically arranged.

4. A ductile iron pipe pressure testing device according to claim 3, characterized in that: The outer surface of the bidirectional threaded rod (121) is threadedly connected to a moving block (3); the back of the moving block (3) is fixedly connected to a connecting plate (31); the back of the connecting plate (31) is fixedly connected to a sealing ring (32); the back of the sealing ring (32) is fixedly connected to a water outlet hole (33); a limiting hole is opened on the right side of the moving block (3); the inner wall of the limiting hole contacts a limiting rod (34).

5. A ductile iron pipe pressure testing device according to claim 4, characterized in that: The number of the movable assemblies (43) is two, the two movable assemblies (43) are symmetrically arranged, the parts contained in the two movable assemblies (43) are the same, the movable assemblies (43) include a rotating shaft (4), and the front side of the rotating shaft (4) is fixedly connected to a rotating plate (41).

6. A ductile iron pipe pressure testing device according to claim 5, characterized in that: The front face of the rotating plate (41) is fixedly connected to a connecting rod (411), the number of the rotating plates (41) is two, the two rotating plates (41) are symmetrically arranged with the bidirectional threaded rod (121) as the center, and the front faces of the two rotating plates (41) are rotatably connected to a moving plate (42) via a pin shaft.

7. A ductile iron pipe pressure testing device according to claim 1, characterized in that: The outer surface of the bidirectional threaded rod (121) is threadedly connected to a second moving block (5), the front face of the second moving block (5) is fixedly connected to a second connecting plate (51), and the front face of the second connecting plate (51) is fixedly connected to a sealing block (52).

8. The ductile iron pipe pressure testing device according to claim 1, characterized in that: The number of the fixed columns (11) is two, and the two fixed columns (11) are symmetrically arranged. The back side of the water pipe (131) is fixedly connected to the front side of the moving block 1 (3).

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