Hydraulic compound machine for large-diameter lining stainless steel composite steel pipe
By designing a hydraulic composite machine suitable for large-diameter inner-collar stainless steel composite steel pipes, the combined structure of the lifting plate and quick disassembly mechanism is used to solve the problems of poor clamping during the composite of large-diameter pipes and limited application scope of equipment in the prior art, and an efficient and universal hydraulic composite effect is achieved.
Patent Information
- Application Number
- CN202421831921.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-31
AI Technical Summary
In the production of large-diameter inner lined stainless steel composite steel pipes, it is difficult to effectively clamp the pipes, resulting in a reduction in sealing effect and insufficient recombination. The hydraulic composite machine can only face one specification of pipes and cannot adapt to pipes of different diameters.
A large-diameter inner-collar stainless steel composite steel pipe hydraulic composite machine is designed, adopting a load stage and side frame structure. Through the height adjustment of the lifting plate and the use of a quick disassembly mechanism, the adaptive sealing of pipes of different diameters is achieved, and the pipes are positioned through the cooperation of the lower pressing plate and the fixed plate to prevent shaking.
It realizes high-efficiency hydraulic composite of large-diameter stainless steel composite steel pipes, improves the scope of application of equipment and product quality, reduces equipment costs, and enhances the versatility of production.
Smart Images
Figure CN222905096U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of composite steel pipe production, in particular to a hydraulic composite machine for large-diameter stainless steel-lined composite steel pipes. Background Technique
[0002] The stainless steel-lined composite steel pipe is formed by compounding and pressing a stainless steel pipe on the inner wall of a carbon steel pipe. At present, the production of such composite steel pipes mainly uses two composite processes: mechanical extrusion or hydrostatic pressure for material compounding, retaining the compressive resistance and seismic resistance of the outer pipe, and also retaining the environmental protection, anti-scaling, corrosion resistance, high temperature resistance and other characteristics of the inner pipe.
[0003] Compared with mechanical extrusion, although the hydrostatic pressure has a longer composite cycle, it is relatively stable, and at the same time, the equipment cost is relatively low. Therefore, at present, most of them adopt the hydrostatic pressure method. During production, the stainless steel pipe is first placed into the carbon steel pipe, then the two ends are sealed, and then high-pressure water is injected into the pipe for the composite operation. However, there are certain drawbacks in the actual operation process. For example, when facing the composite of some large-diameter pipes, only the two ends of the pipe can be simply sealed, and the pipe cannot be effectively clamped. During the injection of high-pressure water, the pipe may shake, which may lead to a reduction in the sealing effect at both ends, resulting in the internal pressure of the pipe not reaching the standard, and thus defective composite pipes with insufficient composite degree may appear. Further, the currently common hydraulic composite machines can only produce pipes of one specification diameter. When facing pipes of different diameters, they cannot be effectively adjusted. When producing pipes of different specifications, different specifications of equipment need to be prepared, reducing the universality of production and increasing the equipment cost.
[0004] Therefore, it is necessary to provide a new hydraulic composite machine for large-diameter stainless steel-lined composite steel pipes to solve the above technical problems. Summary of the Utility Model
[0005] The technical problem solved by the utility model is to provide a hydraulic composite machine for large-diameter stainless steel-lined composite steel pipes with convenient operation, improved equipment application range and improved product quality.
[0006] To solve the above technical problems, the hydraulic composite machine for large-diameter stainless steel-lined composite steel pipes provided by the utility model includes: a bearing platform and side frames fixedly installed on the outer walls on both sides of the bearing platform. Transverse plates are slidably installed on both side frames. Sealing covers are arranged on the outer walls of the two transverse plates close to each other. Quick-release mechanisms are connected between the two sealing covers and the two transverse plates. Water injection pipes are fixedly installed in the middle of the two sealing covers.
[0007] Preferably, a lifting plate is slidably installed in the bearing platform. A plurality of fixing plates are fixedly installed on the top of the lifting plate. Four telescopic rods are fixedly installed in the bearing platform. The tops of the four telescopic rods are fixedly connected to the bottom of the lifting plate.
[0008] Preferably, threaded rods are rotatably installed on the inner walls of both sides of the bearing table. The thread directions of the two threaded rods are opposite. Transmission blocks are sleeved on the two threaded rods in a threaded manner. The two transmission blocks and the bottom of the lifting plate are connected through hinge plates respectively.
[0009] Preferably, threaded cylinders are rotatably installed on both side frames. Lead screws are installed on the inner walls of the two threaded cylinders in a threaded manner. The two transverse moving plates are respectively fixedly installed at one ends of the two lead screws close to each other. Rotating rods are rotatably installed on the inner walls of both sides of the bearing table. Synchronous pulleys are sleeved on the two rotating rods and the outer walls of the two threaded cylinders. Transmission belts are sleeved on the corresponding two synchronous pulleys.
[0010] Preferably, top frames are fixedly installed on the tops of the two transverse moving plates. Lower pressing plates are slidably installed on the inner walls of the tops of the two top frames. Cylinders are fixedly installed on the tops of the two top frames. The output shafts of the two cylinders are respectively fixedly connected to the tops of the two lower pressing plates.
[0011] Preferably, the quick-release mechanism includes an installation cylinder and a plug-in plate. The installation cylinder is fixedly installed on the outer wall of one side of the transverse moving plate. The plug-in plate is fixedly installed on the outer wall of one side of the cover. A positioning hole is formed in the plug-in plate. A positioning bolt is movably installed on the outer wall of the installation cylinder. The positioning bolt penetrates through both sides of the installation cylinder and the positioning hole.
[0012] Compared with the related technology, the large-diameter stainless steel-lined composite steel pipe hydraulic composite machine provided by the present utility model has the following beneficial effects:
[0013] The present utility model provides a large-diameter stainless steel-lined composite steel pipe hydraulic composite machine. When placing the pipe on the top of the bearing table in this application, the height of the lifting plate can be adjusted to align the center of the pipe with the centers of the two covers on both sides. For pipes with different diameters, only the lifting height of the lifting plate needs to be adjusted. At the same time, different-diameter covers can be quickly replaced to seal both ends of pipes with different diameters. Also, before injecting high-pressure water, the pipe can be positioned through the cooperation of the lower pressing plate and the fixing plate to prevent the pipe from shaking when high-pressure water is injected. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic structural diagram of a preferred embodiment of the large-diameter stainless steel-lined composite steel pipe hydraulic composite machine provided by the present utility model;
[0015] Figure 2 is Figure 1 the schematic cross-sectional side view structure diagram of the bearing table shown in
[0016] Figure 3 is Figure 1 the schematic top view structure diagram of the side frame shown in
[0017] Figure 4 For Figure 1 the schematic diagram of the top view cross-sectional plane structure of the side frame shown;
[0018] Figure 5 For Figure 1 the schematic diagram of the connection state of the plug-in board and the installation cylinder shown.
[0019] Reference numerals in the figure: 1, bearing platform; 2, lifting plate; 201, telescopic rod; 3, fixing plate; 4, side frame; 5, transverse moving plate; 6, cover; 7, water injection pipe; 8, threaded rod; 9, rotating rod; 801, transmission block; 802, hinge plate; 10, threaded cylinder; 11, rotating bearing; 12, synchronous pulley; 13, transmission belt; 14, lead screw; 15, top frame; 16, cylinder; 17, lower pressing plate; 18, installation cylinder; 19, plug-in board; 20, positioning hole; 21, positioning bolt. Specific embodiments
[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0021] Please refer to Figures 1-5 , wherein, Figure 1 is the schematic diagram of the structure of a preferred embodiment of the large-diameter stainless steel-lined composite steel pipe hydraulic composite machine provided by the present invention; Figure 2 For Figure 1 the schematic diagram of the side view cross-sectional structure of the bearing platform shown; Figure 3 For Figure 1 the schematic diagram of the top view structure of the side frame shown; Figure 4 For Figure 1 the schematic diagram of the top view cross-sectional plane structure of the side frame shown; Figure 5 For Figure 1 the schematic diagram of the connection state of the plug-in board and the installation cylinder shown. The large-diameter stainless steel-lined composite steel pipe hydraulic composite machine includes: a bearing platform 1 and side frames 4 fixedly installed on the outer walls on both sides of the bearing platform 1. The side frames 4 are in the shape of the letter "L", and the two side frames 4 are mirror-symmetrically arranged based on the midpoint of the bearing platform 1. The two side frames 4 are both located at the top edge of the bearing platform 1. Transverse moving plates 5 are slidably installed on the two side frames 4. Seals 6 are provided on the outer walls of the two transverse moving plates 5 close to each other. The seal 6 is a sealing plate currently used on the hydraulic composite machine to seal both ends of the pipe. The two seals 6 and the two transverse moving plates 5 are connected by a quick-release mechanism. Water injection pipes 7 are fixedly installed in the middle of the two seals 6. Referring to Figure 4 shown, the water injection pipe 7 penetrates through the seal 6. During actual use, the water injection pipe 7 needs to be connected to an external high-pressure water injection device.
[0022] A lifting plate 2 is slidably installed in a carrier 1, and a plurality of fixing plates 3 are fixedly installed on the top of the lifting plate 2. Combining Figure 2 As shown, a through-strip hole is formed in the top of the carrier 1. The strip hole is slightly larger than the lifting plate 2. The tops of the plurality of fixing plates 3 are all provided with arc-shaped grooves and are horizontally linearly distributed. Four telescopic rods 201 are fixedly installed in the carrier 1. The tops of the four telescopic rods 201 are fixedly connected to the bottom of the lifting plate 2. Combining Figure 2 As shown, the interior of the carrier 1 is divided into an upper layer and a lower layer by a partition. The four telescopic rods 201 are fixedly installed on the bottom inner wall of the upper layer. The four telescopic rods 201 are distributed in a rectangular array.
[0023] Rotating rods 8 are rotatably installed on the inner walls of both sides of the carrier 1. The thread rotation directions of the two rotating rods 8 are opposite. Thread sleeves 801 are sleeved on the two rotating rods 8. Combining Figure 2 , through-type fixing cylinders are fixedly installed on the two thread sleeves 801. The two rotating rods 8 respectively penetrate through the two fixing cylinders and are screwed with their inner walls. The two thread sleeves 801 and the bottom of the lifting plate 2 are both connected by hinge plates 802. The tops of the two hinge plates 802 are rotatably connected to the bottom of the lifting plate 2. The bottoms of the two hinge plates 802 are respectively rotatably connected to the tops of the two thread sleeves 801.
[0024] Combining Figure 2 As shown, a drive box is fixedly installed in the carrier 1. A connecting shaft is horizontally rotatably installed in the drive box. The two ends of the connecting shaft respectively extend outside the drive box and are fixedly connected to one end of the two rotating rods 8. A driven bevel gear is fixedly sleeved on the outer wall of the connecting shaft. A motor is fixedly installed in the drive box. A driving bevel gear is fixedly installed on the output shaft of the motor. The driving bevel gear meshes with the driven bevel gear.
[0025] Thread cylinders 10 are rotatably installed on both side frames 4. Lead screws 14 are threadedly installed on the inner walls of the two thread cylinders 10. The two ends of the lead screws 14 respectively extend outside the thread cylinders 10. Combining Figure 4 As shown, a bearing cylinder is fixedly installed through the side frame 4. A rotating bearing 11 is fixedly sleeved on the outer wall of the thread cylinder 10. The outer wall of the rotating bearing 11 is fixedly connected to the inner wall of the bearing cylinder. Two transverse moving plates 5 are respectively fixedly installed on one ends of the two lead screws 14 close to each other. Combining Figure 3As shown in the figure, two slide bars are fixedly installed on the outer wall of one side of the transverse moving plate 5. One end of each of the two slide bars penetrates through the side frame 4 and is slidably connected thereto. Rotating rods 9 are rotatably installed on the inner walls of both sides of the bearing platform 1. One end of each of the two rotating rods 9 extending away from each other extends outside the bearing platform 1. A dual-axis motor is fixedly installed on the bottom inner wall of the bearing platform 1. Both of the two rotating rods 9 are fixedly connected to the output shafts of the dual-axis motor. Synchronous belt pulleys 12 are sleeved on the outer walls of the two rotating rods 9 and the two threaded cylinders 10. Transmission belts 13 are sleeved on the corresponding two synchronous belt pulleys 12.
[0026] On the top of each of the two transverse moving plates 5, a top frame 15 is fixedly installed. The top frame 15 is in the shape of the letter "L". The two top frames 15 are arranged in a mirror image. Lower pressing plates 17 are slidably installed on the inner walls of the tops of the two top frames 15. Cylinders 16 are fixedly installed on the tops of the two top frames 15. The output shafts of the two cylinders 16 are respectively fixedly connected to the tops of the two lower pressing plates 17. The output shafts of the cylinders 16 penetrate through the tops of the top frames 15. Two limiting rods are symmetrically fixedly installed on the top of the lower pressing plate 17. The top ends of the two limiting rods penetrate through the tops of the top frames 15 and are slidably connected thereto. The bottom of the lower pressing plate 17 is provided with an arc-shaped groove.
[0027] The quick-release mechanism includes an installation cylinder 18 and a plug-in board 19. The installation cylinder 18 is fixedly installed on the outer wall of one side of the transverse moving plate 5. The plug-in board 19 is fixedly installed on the outer wall of one side of the cover 6. Figure 4 As shown in the figure, the installation cylinder 18 is a rectangular frame body with openings at both the top and the bottom. The plug-in board 19 is in the shape of the letter "L". The cross-section of the plug-in board 19 fits the inner wall of the installation cylinder 18. A positioning hole 20 is opened on the plug-in board 19. A positioning bolt 21 is movably installed on the outer wall of the installation cylinder 18. The positioning bolt 21 penetrates through both sides of the installation cylinder 18 and the positioning hole 20.
[0028] The working principle of the large-diameter stainless steel-lined composite steel pipe hydraulic composite machine provided by the present utility model is as follows:
[0029] When hydraulic operation needs to be performed on the stainless steel-lined composite steel pipe, first, the staff needs to place the pipe on the top of the bearing platform 1. After the pipe is placed, it will sink into the strip-shaped opening on the top of the bearing platform 1. Subsequently, the staff needs to start the motor. After the motor starts, the output shaft rotates to drive the driving bevel gear to rotate, thereby driving the driven bevel gear and the connecting shaft to rotate. The rotation of the connecting shaft will drive the two threaded rods 8 to rotate, thereby driving the two transmission blocks 801 to approach each other. After the transmission of the two hinge plates 802 and the limitation of the four telescopic rods 201, the lifting plate 2 will move vertically upward, so that the multiple fixing plates 3 move upward and lift the pipe upward.
[0030] When the pipe moves upward until the center of the pipe corresponds to the centers of the two side covers 6, the motor is turned off and the dual-axis motor is started at this time. When the output shaft of the dual-axis motor rotates, it will drive the two rotating rods 9 to rotate. Under the transmission effect of the synchronous pulleys 12 and the transmission belt 13, the rotation of the two rotating rods 9 will drive the two threaded barrels 10 to rotate. Since the two lead screws 14 are limited by the slide rods, they cannot rotate along with the threaded barrels 10 and can only move horizontally in the direction limited by the slide rods under the side effect of the threads, so that the two transverse plates 5 approach each other, and finally the two covers 6 close the two sides of the pipe. Finally, the two cylinders 16 are started. When the output shafts of the two cylinders 16 move downward, they will drive the two lower pressing plates 17 to move downward, so as to realize the positioning of the outer wall of the pipe through the two lower pressing plates 17 and the fixed plate 3. After the above steps are completed, the two water injection pipes 7 are connected to an external high-pressure water injection device, and then high-pressure water can be injected into the pipe to complete the composite operation of the inner and outer pipes.
[0031] When facing large-diameter pipes with different diameters, after the staff place the pipe on the multiple fixed plates 3 and lift the lifting plate 2 to a certain height by starting the motor so that the center of the pipe corresponds to the circles of the two side covers 6, the two positioning bolts 21 can be screwed. The cover 6 and the plug-in plate 19 are removed from the installation cylinder 18, and after replacing the cover 6 with the same diameter as the pipe, the plug-in plate 19 on it is inserted into the installation cylinder 18, and then it can be positioned through the positioning bolt 21 here.
[0032] Compared with the related technology, the large-diameter stainless steel-lined composite steel pipe hydraulic composite machine provided by the present utility model has the following beneficial effects:
[0033] The present utility model provides a large-diameter stainless steel-lined composite steel pipe hydraulic composite machine. When the pipe is placed on the top of the bearing table 1 in this application, the height of the lifting plate 2 can be adjusted so that the center of the pipe corresponds to the centers of the two side covers 6. For pipes with different diameters, only the height of the lifting and lowering of the lifting plate 2 needs to be adjusted. At the same time, the covers 6 with different diameters can be quickly replaced to close the two ends of the pipes with different diameters. At the same time, before injecting high-pressure water, the pipe can be positioned through the cooperation of the lower pressing plate 17 and the fixed plate 3 to prevent the pipe from shaking when high-pressure water is injected.
[0034] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied to other related technical fields, shall be included in the patent protection scope of the present utility model by the same token.
Claims
1. A large-diameter stainless steel lined composite steel pipe hydraulic compound machine, comprising: The supporting platform and the side frames fixedly mounted on the outer walls on both sides of the supporting platform are characterized in that transverse plates are slidably mounted on the two side frames, and covers are arranged on the outer walls on the sides where the two transverse plates are close to each other, the two covers are connected to the two transverse plates by quick release mechanisms, and water injection pipes are fixedly mounted in the middle of the two covers.
2. The large-diameter lined stainless steel composite steel pipe hydraulic compound machine according to claim 1, characterized in that: A lifting plate is slidably installed in the bearing platform, a plurality of fixed plates are fixedly installed on the top of the lifting plate, four telescopic rods are fixedly installed in the bearing platform, and the top ends of the four telescopic rods are fixedly connected to the bottom of the lifting plate.
3. The large-diameter lined stainless steel composite steel pipe hydraulic compound machine according to claim 2, characterized in that: Threaded rods are rotatably mounted on the inner walls of both sides of the bearing platform, the threads of the two threaded rods are in opposite directions, transmission blocks are threadedly sleeved on the two threaded rods, and the two transmission blocks are connected to the bottom of the lifting plate through a hinged plate.
4. The large-diameter lined stainless steel composite steel pipe hydraulic compound machine according to claim 3, characterized in that: A threaded cylinder is rotatably installed on the two side frames, a screw rod is threadably installed on the inner walls of the two threaded cylinders, the two transverse plates are respectively fixedly installed on the ends of the two screw rods close to each other, and a rotating rod is rotatably installed on the inner walls of both sides of the supporting platform, and synchronous pulleys are sleeved on the two rotating rods and the outer walls of the two threaded cylinders, and transmission belts are sleeved on the corresponding two synchronous pulleys.
5. The large-diameter stainless steel lined composite steel pipe hydraulic compound machine according to claim 4, characterized in that: A top frame is fixedly installed on the top of the two transverse plates, a lower pressure plate is slidably installed on the top inner wall of the two top frames, a cylinder is fixedly installed on the top of the two top frames, and the output shafts of the two cylinders are respectively fixedly connected to the tops of the two lower pressure plates.
6. The large-diameter lined stainless steel composite steel pipe hydraulic compound machine according to claim 5, characterized in that: The quick-release mechanism includes a mounting tube and a plug-in plate. The mounting tube is fixedly mounted on an outer wall of one side of the transverse plate. The plug-in plate is fixedly mounted on an outer wall of one side of the cover. A positioning hole is provided on the plug-in plate. A positioning bolt is movably mounted on the outer wall of the mounting tube. The positioning bolt passes through both sides of the mounting tube and the positioning hole.