Device and method for mounting nodular cast iron pipeline
By using a fixer and a uniform force-adder device in the installation of ductile iron pipes, the problems of unfixed steel wire ropes, asymmetric hooks and difficult operation in the prior art are solved, and the effect of an operator completing the installation and avoiding the pipe deviation is achieved.
Patent Information
- Application Number
- CN202411887982.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-03-18
AI Technical Summary
In the prior art, ductile iron pipes are prone to problems such as unfixed steel wire ropes, asymmetric hooks and difficult operation when installing.
A device including a fixer and a uniform overloader is adopted. The fixer is installed on the outer periphery of the port side of the pipe one, and the uniform overloader is slidably connected to the outer periphery of the pipe two. The uniform overloader is equipped with a reverse chain driving mechanism and a double hook inverted chain. Synchronous driving is realized through the reverse chain driving mechanism to ensure that the socket of the pipe two is inserted in the bearing port of the pipe one.
An operator has completed the installation of ductile iron pipes, avoiding the deviation of the pipeline. The fixer is connected by arc-shaped pipe clamps and bolts, avoiding the problem of unfixed steel wire ropes. The reverse chain drive mechanism achieves synchronous and uniform force, reducing the difficulty of operation.
Smart Images
Figure CN119637757A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of ductile iron pipe installation, and in particular relates to a device and method for installing a ductile iron pipe. Background Art
[0002] The installation steps of ductile iron pipes include: (1) cleaning the socket and inserting the rubber sealing ring; (2) applying lubricant to the socket end and ensuring that the socket end is chamfered; (3) aligning the socket end with the socket and pushing it in with a tool; (4) fixing it with a connection tool and checking whether the sealing ring is in the right position.
[0003] In the prior art, two fall chains and wire ropes are used when installing ductile iron pipes. The usual practice is to use wire ropes to tie up the sockets of the installed pipes. The two fall chains are evenly arranged on both sides of the ductile iron pipes. One end of the fall chain is connected to the wire ropes at the tied pipe sockets, and the other end is connected to the socket of the newly installed pipe. Two operators rotate the two fall chains at the same time and apply force evenly to connect the pipe sockets.
[0004] The above conventional practices have the following disadvantages: (1) the socket of the installed pipe tied with wire rope is very easy to be loosely fixed, and the wire rope slides along the pipe body; (2) the two hooks are asymmetrical when hooking the wire rope; (3) the two operators must rotate the two fall chains in strict synchronization, otherwise the ductile iron pipe to be installed will be misaligned, making the operation difficult. Summary of the invention
[0005] The invention aims at the technical problems existing in the installation of ductile iron pipes in the prior art and provides a device and a method for installing ductile iron pipes.
[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a device for installing ductile iron pipes, comprising a fixer and a uniform force booster; the fixer is installed on the outer periphery of the socket side of pipe one, and the uniform force booster is slidably connected to the outer periphery of pipe two; the uniform force booster includes a shell, in which a fall chain drive mechanism and two double-hook fall chains are installed, and the two hooks of each double-hook fall chain respectively hook the fixer and the socket of pipe two, and the fall chain drive mechanism can synchronously drive the two double-hook fall chains, and the two double-hook fall chains drive the socket of pipe two to be inserted into the socket of pipe one.
[0007] Preferably, the two double-hook fall chains are fall chain one and fall chain two respectively.
[0008] Preferably, the chain-falling drive mechanism comprises a drive shaft, a transmission shaft 1 and a transmission shaft 2; the drive shaft is vertically mounted at the center of the housing, the transmission shaft 1 and the transmission shaft 2 are symmetrically mounted vertically on both sides of the housing in the width direction, and the centers of the drive shaft, the transmission shaft 1 and the transmission shaft 2 are collinear in horizontal projection; The drive shaft and the transmission shaft 1 are driven by a chain, and the drive shaft and the transmission shaft 2 are driven by a chain; the fall chain 1 is installed on the lower side of the transmission shaft, and the fall chain 2 is installed on the lower side of the transmission shaft 2.
[0009] Preferably, the fall chain 1 includes a fall chain sprocket 1, which is installed on the lower side of the transmission shaft; the fall chain 2 includes a fall chain sprocket 2, which is installed on the lower side of the transmission shaft 2.
[0010] Preferably, the drive shaft is installed with a driving sprocket 1 and a driving sprocket 2 in sequence from top to bottom; a driven sprocket 1 is installed on the upper side of the transmission shaft 1, and a driven sprocket 2 is installed on the upper side of the transmission shaft 2; a chain is installed between the driving sprocket 1 and the driven sprocket 1, and a chain is installed between the driving sprocket 2 and the driven sprocket 2.
[0011] Preferably, a handle is installed on the upper end of the driving shaft, or the upper end of the driving shaft is connected to the output shaft of the motor via a coupling.
[0012] Preferably, a groove cooperating with the second pipe is formed at the lower part of the shell, and the longitudinal cross-section of the groove is arc-shaped.
[0013] Preferably, bearings are installed at corresponding positions of the upper ends and lower ends of the housing, the drive shaft, the first transmission shaft and the second transmission shaft.
[0014] Preferably, the fixer comprises two arc-shaped pipe clamps, the two arc-shaped pipe clamps are pipe clamp 1 and pipe clamp 2 respectively, and the pipe clamp 1 and pipe clamp 2 are connected by bolts.
[0015] A method for installing a ductile iron pipe, using the device for installing a ductile iron pipe to install the ductile iron pipe, comprises the following steps: Step 1: Pipeline 2 and Pipeline 1 are arranged in sequence and the socket of Pipeline 2 is adjacent to the socket of Pipeline 1; the fixture is installed on the outer periphery of the socket side of Pipeline 1, and Pipeline 1 is at the end of a row of ductile iron pipes that have been installed; the uniform force booster is slidably connected to the outer periphery of Pipeline 2 and is located in the middle of the length of Pipe 2; a sealing ring is installed in the socket of Pipe 1; Step 2: by shaking the handle or running the motor, the driving shaft rotates, and the two hooks of the fall chain 1 and the fall chain 2 are extended and hook the bolts of the fixer and the socket of the pipe 2 respectively; Step 3: by shaking the handle in the opposite direction or reversing the motor, the drive shaft rotates in the opposite direction. Since the holder does not move, the housing slides toward the holder, and at the same time, the pipe 2 moves toward the pipe 1 until the socket of the pipe 2 is plugged into the socket of the pipe 1. Step 4: Repeat steps 1 to 3 to complete the installation of the entire row of ductile iron pipes.
[0016] Compared with the prior art, the advantages and positive effects of the present invention are: (1) One operator can complete the installation of the ductile iron pipe by using the device and method for installing the ductile iron pipe of the present invention, and can prevent the pipe to be installed from deviating; (2) The fixer includes two arc-shaped pipe clamps and the two arc-shaped pipe clamps are connected by bolts. The fixer is installed on the socket side of the pipe 1, thereby avoiding the loose fixation caused by binding with steel wire rope in the prior art; (3) Both hooks of the first and second fall chains extend out and hook the bolts of the fixing device and the socket of the second pipe respectively, thus avoiding the asymmetry of the two hooks hooking the wire rope in the prior art; (4) The uniform force adder includes a housing, in which a fall chain drive mechanism and two double hook fall chains are installed; the above technical features realize synchronous uniform force addition on both sides of the ductile iron pipe to be installed; (5) A groove matching the pipe 2 is provided at the lower part of the shell, and the longitudinal section of the groove is arc-shaped; the above technical features enable the shell of the uniform force multiplier to slide on the outer periphery of the ductile iron pipe to be installed; (6) When the upper end of the drive shaft is connected to the output shaft of the motor through a coupling, the manual operation link can be omitted, the labor intensity can be reduced and the work efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the following is a brief introduction to the drawings required for describing the embodiment: Figure 1 Schematic diagram of the working status of the device used for installing ductile iron pipes Figure 1 ; Figure 2 Schematic diagram of the working status of the device used for installing ductile iron pipes Figure 2 ; Figure 3 A perspective view of a fixture in a device for installing ductile iron pipes; Figure 4 A perspective view of a uniform force booster in a device for installing ductile iron pipes; Figure 5 A three-dimensional diagram of a uniform force booster in a device used for installing ductile iron pipes; Figure 6Front view of the uniform force booster used in the installation of ductile iron pipes.
[0018] Description of reference numerals: 1. Fixer, 11. Pipe clamp 1, 12. Pipe clamp 2, 13. Bolt; 2. Uniform force adder, 20. Falling chain 1, 21. Housing, 22. Transmission shaft 2, 23. Transmission shaft 1, 24. Falling chain 2, 25. Driven sprocket 2, 26. Driven sprocket 1, 27. Driving sprocket 1, 28. Driving sprocket 2, 29. Driving shaft; 3. Pipeline one, 4. Pipeline two. DETAILED DESCRIPTION
[0019] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments.
[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0021] Example 1 Combine the following Figure 1-Figure 6 The device for installing a ductile iron pipe in Example 1 is further described as follows: Figure 1-Figure 6 As shown, the device for installing ductile iron pipes includes a fixture 1 and a uniform force booster 2; the fixture 1 is installed on the outer periphery of the socket side of pipe 1 3, and the uniform force booster 2 is slidably connected to the outer periphery of pipe 2 4; the uniform force booster 2 includes a shell 21, and a fall chain driving mechanism and two double-hook fall chains are installed in the shell 21, and the two hooks of each double-hook fall chain are respectively hooked on the fixture 1 and the socket of pipe 2 4, and the fall chain driving mechanism can synchronously drive the two double-hook fall chains, and the two double-hook fall chains drive the socket of pipe 2 4 to be inserted into the socket of pipe 1 3.
[0022] like Figure 2 and Figure 4 As shown, the two double hook fall chains are fall chain one 20 and fall chain two 24 respectively.
[0023] like Figure 4 As shown, the fall chain drive mechanism includes a drive shaft 29, a transmission shaft 1 23 and a transmission shaft 22; the drive shaft 29 is vertically installed at the center of the shell 21, and the transmission shaft 1 23 and the transmission shaft 22 are symmetrically vertically installed on both sides of the shell 21 in the width direction, and the centers of the drive shaft 29, the transmission shaft 1 23 and the transmission shaft 2 22 are collinear in the horizontal projection.
[0024] like Figure 4As shown, the drive shaft 29 and the transmission shaft 1 23 are driven by a chain, and the drive shaft 29 and the transmission shaft 2 22 are driven by a chain; the fall chain 1 20 is installed on the lower side of the transmission shaft 1 23, and the fall chain 2 24 is installed on the lower side of the transmission shaft 2 22.
[0025] like Figure 4 As shown, the fall chain 20 includes a fall chain sprocket 1, which is installed on the lower side of the transmission shaft 23; the fall chain 24 includes a fall chain sprocket 2, which is installed on the lower side of the transmission shaft 22.
[0026] like Figure 4 As shown, the driving shaft 29 is sequentially installed with a driving sprocket 1 27 and a driving sprocket 2 28 from top to bottom; a driven sprocket 1 26 is installed on the upper side of the transmission shaft 1 23, and a driven sprocket 2 25 is installed on the upper side of the transmission shaft 2 22; a chain is installed between the driving sprocket 1 27 and the driven sprocket 1 26, and a chain is installed between the driving sprocket 2 28 and the driven sprocket 2 25.
[0027] like Figure 4 As shown, a handle is installed at the upper end of the driving shaft 29.
[0028] like Figure 4-Figure 6 As shown, a groove matching with the pipe 24 is provided at the lower part of the shell 21, and the longitudinal cross section of the groove is arc-shaped.
[0029] like Figure 4 As shown, bearings are installed at corresponding positions of the upper and lower ends of the housing 21, the drive shaft 29, the transmission shaft 1 23 and the transmission shaft 2 22.
[0030] like Figure 3 As shown, the fixture 1 includes two arc-shaped pipe clamps, which are pipe clamp 1 11 and pipe clamp 2 12 , respectively. Pipe clamp 1 11 and pipe clamp 2 12 are connected by bolts 13 .
[0031] A method for installing a ductile iron pipe, using the above-mentioned device for installing a ductile iron pipe to install the ductile iron pipe, such as Figure 1 and Figure 2 As shown, the following steps are included: Step 1: Pipe 2 4 and Pipe 1 3 are arranged in sequence and the socket of Pipe 2 4 is adjacent to the socket of Pipe 1 3; the fixture 1 is installed on the outer periphery of the socket side of Pipe 1 3, and Pipe 1 3 is at the end of a row of ductile iron pipes that have been installed; the uniform force booster 2 is slidably connected to the outer periphery of Pipe 2 4 and is located in the middle of the length of Pipe 2 4; a sealing ring is installed in the socket of Pipe 1 3; Step 2: By shaking the handle, the driving shaft 29 rotates, and the two hooks of the fall chain 1 20 and the fall chain 2 24 are extended and hooked on the bolt 13 of the fixer 1 and the socket of the pipe 2 4 respectively; Step 3: By shaking the handle in the opposite direction, the driving shaft 29 rotates in the opposite direction. Since the holder 1 is stationary, the housing 21 slides toward the holder 1, and at the same time, the pipe 2 4 moves toward the pipe 1 3 until the socket of the pipe 2 4 is plugged into the socket of the pipe 1 3; Step 4: Repeat steps 1 to 3 to complete the installation of the entire row of ductile iron pipes.
[0032] Example 2 The difference between this embodiment and embodiment 1 is that the upper end of the driving shaft 29 is connected to the output shaft of the motor through a coupling.
[0033] A method for installing a ductile iron pipe, using the above-mentioned device for installing a ductile iron pipe to install the ductile iron pipe, such as Figure 1 and Figure 2 As shown, the following steps are included: Step 1: Pipe 2 4 and Pipe 1 3 are arranged in sequence and the socket of Pipe 2 4 is adjacent to the socket of Pipe 1 3; the fixture 1 is installed on the outer periphery of the socket side of Pipe 1 3, and Pipe 1 3 is at the end of a row of ductile iron pipes that have been installed; the uniform force booster 2 is slidably connected to the outer periphery of Pipe 2 4 and is located in the middle of the length of Pipe 2 4; a sealing ring is installed in the socket of Pipe 1 3; Step 2: The motor is operated to rotate the drive shaft 29, and the two hooks of the fall chain 1 20 and the fall chain 2 24 are extended and hook the bolt 13 of the fixer 1 and the socket of the pipe 2 4 respectively; Step 3: The motor is reversed to make the drive shaft 29 rotate in the opposite direction. Since the holder 1 is stationary, the housing 21 slides toward the holder 1, and at the same time, the pipe 2 4 moves toward the pipe 1 3 until the socket of the pipe 2 4 is plugged into the socket of the pipe 1 3; Step 4: Repeat steps 1 to 3 to complete the installation of the entire row of ductile iron pipes.
[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A device for installing ductile iron pipes, characterized in that: The invention comprises a fixing device (1) and a uniform force booster (2); the fixing device (1) is mounted on the outer periphery of the socket side of the first pipe (3), and the uniform force booster (2) is slidably connected to the outer periphery of the second pipe (4); the uniform force booster (2) comprises a shell (21), and a fall chain driving mechanism and two double-hook fall chains are installed in the shell (21), and the two hooks of each double-hook fall chain respectively hook the fixing device (1) and the socket of the second pipe (4), and the fall chain driving mechanism can synchronously drive the two double-hook fall chains, and the two double-hook fall chains drive the socket of the second pipe (4) to be inserted into the socket of the first pipe (3).
2. The device for installing ductile iron pipes according to claim 1, characterized in that: The two double hook fall chains are fall chain one (20) and fall chain two (24).
3. The device for installing ductile iron pipes according to claim 2, characterized in that: The chain-falling drive mechanism comprises a drive shaft (29), a transmission shaft 1 (23) and a transmission shaft 2 (22); the drive shaft (29) is vertically mounted at the center of the housing (21); the transmission shaft 1 (23) and the transmission shaft 2 (22) are symmetrically vertically mounted on both sides of the housing (21) in a width direction, and the centers of the drive shaft (29), the transmission shaft 1 (23) and the transmission shaft 2 (22) are collinear in a horizontal projection; The drive shaft (29) and the transmission shaft 1 (23) are driven by a chain, and the drive shaft (29) and the transmission shaft 2 (22) are driven by a chain; the fall chain 1 (20) is installed on the lower side of the transmission shaft 1 (23), and the fall chain 2 (24) is installed on the lower side of the transmission shaft 2 (22).
4. The device for installing ductile iron pipes according to claim 3, characterized in that: The first fall chain (20) includes a first fall chain sprocket, which is installed on the lower side of the first transmission shaft (23); the second fall chain (24) includes a second fall chain sprocket, which is installed on the lower side of the second transmission shaft (22).
5. The device for installing ductile iron pipes according to claim 3 or 4, characterized in that: The driving shaft (29) is sequentially mounted with a driving sprocket 1 (27) and a driving sprocket 2 (28) from top to bottom; a driven sprocket 1 (26) is mounted on the upper side of the transmission shaft (23), a driven sprocket 2 (25) is mounted on the upper side of the transmission shaft (22), a chain is mounted between the driving sprocket 1 (27) and the driven sprocket 1 (26), and a chain is mounted between the driving sprocket 2 (28) and the driven sprocket 2 (25).
6. The device for installing ductile iron pipes according to claim 5, characterized in that: A handle is installed on the upper end of the driving shaft (29), or the upper end of the driving shaft (29) is connected to the output shaft of the motor via a coupling.
7. The device for installing ductile iron pipes according to claim 1, characterized in that: The lower part of the shell (21) is provided with a groove which matches with the second pipe (4), and the longitudinal cross section of the groove is arc-shaped.
8. The device for installing ductile iron pipes according to claim 3, characterized in that: The housing (21) and the drive shaft (29), the first transmission shaft (23) and the second transmission shaft (22) are respectively provided with bearings at corresponding positions on the upper end and the lower end.
9. The device for installing ductile iron pipes according to claim 6, characterized in that: The fixer (1) comprises two arc-shaped pipe clamps, the two arc-shaped pipe clamps are pipe clamp one (11) and pipe clamp two (12), and the pipe clamp one (11) and pipe clamp two (12) are connected by bolts (13).
10. A method for installing a ductile iron pipe, characterized in that: The ductile iron pipe is installed using the device for installing the ductile iron pipe according to claim 9, comprising the following steps: Step 1: Pipeline 2 (4) and pipe 1 (3) are arranged in sequence and the socket of pipe 2 (4) is adjacent to the socket of pipe 1 (3); the fixture (1) is installed on the outer periphery of the socket side of pipe 1 (3), and the pipe 1 (3) is at the end of a row of ductile iron pipes that have been installed; the uniform force booster (2) is slidably connected to the outer periphery of pipe 2 (4) and is located in the middle of the length of pipe 2 (4); a sealing ring is installed in the socket of the pipe 1 (3); Step 2: by shaking the handle or running the motor, the driving shaft (29) is rotated, and the two hooks of the fall chain 1 (20) and the fall chain 2 (24) are extended and hooked on the bolt (13) of the fixing device (1) and the socket of the pipe 2 (4) respectively; Step 3: by shaking the handle in the opposite direction or reversing the motor, the driving shaft (29) rotates in the opposite direction. Since the holder (1) is stationary, the housing (21) slides toward the holder (1), and at the same time, the pipe 2 (4) moves toward the pipe 1 (3) until the socket of the pipe 2 (4) is plugged into the socket of the pipe 1 (3); Step 4: Repeat steps 1 to 3 to complete the installation of the entire row of ductile iron pipes.