Positioning device for processing of heat preservation tube penetrating sleeve
Patent Information
- Application Number
- CN202522520378.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-27
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-11-27
AI Technical Summary
[0005]然而，在上述穿套加工实施过程中，由于加工台未设置针对外护管的专用定位装置，导致外护管在加工台上的放置姿态不稳定，当外护管的穿套入端口进行扩口加工时，由于缺乏定位约束，端口易发生径向偏移，该偏移直接导致后续工作钢管穿套后，外护管与工作钢管无法保持同轴度，两者之间的环形间隙呈现不均匀分布状态，这就造成保温层过薄或空缺的问题，还会导致保温管整体结构应力分布不均，从而降低了保温管的保温性能、结构稳定性以及使用寿命
[0017]进一步的，所述铰接连接件包括对称设置的两组铰接座和铰接轴，两组所述铰接座分别通过螺栓固定在固定支撑架的顶部，两组所述铰接座之间装有铰接轴，所述转动架的水平部靠近倾斜部的一端固定套装在铰接轴上。
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Figure CN224896976U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of insulation pipe sleeve processing technology, specifically to a positioning device for insulation pipe sleeve processing. Background Technology
[0002] Insulated pipes, as the core carriers for transporting high-temperature and low-temperature media, are widely used in industrial fields such as heating, refrigeration, and petrochemicals, as well as in civil construction projects. Their structural stability and insulation performance directly determine the efficiency of media transport, the safety of pipeline operation, and service life.
[0003] Currently, insulated pipes typically employ a three-layer composite structure design. This structure, from the inside out, includes a working steel pipe, an insulation layer, and an outer protective pipe. The inner working steel pipe is a seamless steel pipe used to transport high-temperature or low-temperature media. The outer protective pipe is made of high-density polyethylene, providing physical protection for the internal structure and possessing corrosion resistance and waterproofing properties. The annular gap between the outer protective pipe and the steel pipe is filled with rigid polyurethane foam as an insulation layer, effectively blocking heat conduction and providing excellent insulation.
[0004] The above-mentioned three-layer insulation pipe is manufactured by coaxially inserting the working steel pipe into the outer protective pipe that is pre-placed on the processing table. Then, polyurethane rigid foam is filled into the annular gap between the outer protective pipe and the working steel pipe through a special injection equipment. After the foam cures, a complete insulation pipe structure is formed.
[0005] However, during the above-mentioned sleeve processing, the lack of a dedicated positioning device for the outer protective tube on the processing table resulted in an unstable placement posture of the outer protective tube on the processing table. When the sleeve insertion port of the outer protective tube was flared, the port was prone to radial displacement due to the lack of positioning constraints. This displacement directly caused the outer protective tube and the working steel pipe to lose their coaxiality after the subsequent working steel pipe was sleeved, resulting in an uneven distribution of the annular gap between them. This caused the insulation layer to be too thin or missing, and also led to uneven stress distribution in the overall structure of the insulation pipe, thereby reducing the insulation performance, structural stability and service life of the insulation pipe. Utility Model Content
[0006] In view of this, the problem to be solved by this utility model is to provide a positioning device for the processing of insulation pipe sleeves.
[0007] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A positioning device for processing insulation pipe sleeves includes a clamping and positioning assembly and a rotary drive assembly. The clamping and positioning assembly includes a rotating frame, which is formed by a horizontal part and an inclined part fixedly connected to form an integrated structure. The end of the horizontal part away from the inclined part is a free end, and the end closer to the inclined part is rotatably mounted on a fixed support frame via a hinged connector. The end of the inclined portion away from the horizontal portion is hinged to the power output end of the rotary drive assembly. The rotary drive assembly drives the clamping and positioning assembly to rotate around the hinge point of the hinged connector. The rotary drive assembly is mounted on the fixed support frame and is located below the clamping and positioning assembly.
[0008] Furthermore, the clamping and positioning assembly also includes a clamping cylinder and a positioning plate. The cylinder body of the clamping cylinder is mounted on the horizontal part of the rotating frame, and the piston end of the clamping cylinder is connected to the rear side of the positioning plate.
[0009] The axial reciprocating movement of the positioning plate is controlled by the extension and retraction of the clamping cylinder to complete the clamping and positioning of both sides of the outer protective tube.
[0010] Furthermore, the clamping and positioning assembly also includes two sets of guide rods, which are symmetrically arranged on both sides of the clamping cylinder. The two sets of guide rods are parallel to the piston axis of the clamping cylinder. Guide through holes are provided on the horizontal part of the rotating frame corresponding to the two sets of guide rods. The guide rods slide through the guide through holes, and the front end of the guide rods is fixedly connected to the rear side of the positioning plate.
[0011] Two sets of guide rods are designed to guide the axial movement of the positioning plate.
[0012] Furthermore, the front side of the positioning plate is configured as an arc-shaped fitting surface, which is adapted to the outer protective tube.
[0013] Furthermore, the rotary drive assembly includes a telescopic hydraulic cylinder, the fixed support frame includes two sets of support plates arranged opposite each other, the two sets of support plates are arranged in parallel and spaced apart, the cylinder body of the telescopic hydraulic cylinder is hinged between the two sets of support plates, the piston end of the telescopic hydraulic cylinder is hinged to the inclined part of the rotating frame, the width of the inclined part is less than the distance between the two sets of support plates, and the inclined part is located between the two sets of support plates.
[0014] The rotation of the rotating frame at the hinge point of the hinged connector is controlled by the extension and retraction of the piston end of the telescopic cylinder.
[0015] Furthermore, a fixing ring is fixedly fitted on the cylinder body of the telescopic cylinder, and a coaxial connecting shaft is fixed on both sides of the fixing ring, and the connecting shaft is connected to a corresponding fixed seat. The fixed seat is fixed to the support plate of the fixed support frame by bolts.
[0016] Furthermore, the end of the inclined portion of the rotating frame away from the horizontal portion is formed into a U-shaped notch structure, and a hinged connecting shaft is installed between the two side walls of the U-shaped notch structure. A connecting ring is fixedly provided at the piston end of the telescopic cylinder, and the connecting ring is fitted onto the hinged connecting shaft.
[0017] Furthermore, the hinge connector includes two sets of hinge seats and hinge shafts arranged symmetrically. The two sets of hinge seats are respectively fixed to the top of the fixed support frame by bolts. A hinge shaft is installed between the two sets of hinge seats. The horizontal part of the rotating frame is fixedly fitted onto the hinge shaft at one end near the inclined part.
[0018] The advantages and positive effects of this utility model are: (1) The positioning device designed in this utility model is arranged in two symmetrical groups on both sides of the processing table during use. By controlling the extension and retraction of the clamping cylinder, the positioning plates on both sides move toward the outer protective tube on the processing table to form clamping and positioning, providing stable radial constraint for the outer protective tube, thereby avoiding the outer protective tube from shifting during the flaring process and the steel pipe sleeve process, improving the stability of the outer protective tube processing, ensuring its coaxiality with the inner steel pipe, keeping the annular gap between the two uniform, and thus improving the structural stability of the insulation pipe and the quality of the generated processing.
[0019] (2) This utility model realizes the flexible switching between the working state and the avoidance state of the positioning device through the linkage design of the rotary drive component and the clamping and positioning component, effectively adapting to the whole process requirements of the outer protective tube feeding and processing. When the outer protective tube is positioned, the rotating frame in the clamping and positioning component is in a vertical state, so that the arc-shaped contact surface of the positioning plate on both sides is parallel to the outer protective tube for clamping and positioning operation. When the outer protective tube needs to be fed to the processing table, the rotary drive component controls the rotating frame to rotate to a horizontal state, and the height of the positioning plate and the rotating frame is flush with the surface of the processing table, forming a complete avoidance of the outer protective tube conveying path, avoiding the problem of low feeding efficiency caused by the obstruction of the positioning device. Attached Figure Description
[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the avoidance state of a positioning device for the processing of insulation pipe sleeves according to this utility model; Figure 2 This is a left-side view of a positioning device for processing insulation pipe sleeves according to this utility model; Figure 3 This is a right-side view of a positioning device for processing insulation pipe sleeves according to this utility model; Figure 4 This is a schematic diagram of the clamping and positioning state of a positioning device for processing insulation pipe sleeves according to this utility model; Figure 5 This is a schematic diagram illustrating the practical application of a positioning device for processing insulation pipe sleeves according to this utility model; In the diagram: 1. Clamping and positioning assembly; 11. Rotating frame; 111. Horizontal part; 112. Inclined part; 12. Clamping cylinder; 13. Positioning plate; 14. Guide rod; 2. Rotation drive assembly; 21. Telescopic cylinder; 211. Fixing ring; 212. Fixing seat; 213. Connecting shaft; 214. Connecting ring; 3. Hinge connector; 31. Hinge seat; 32. Hinge shaft; 4. Fixed support frame; 41. Support plate; 5. Hinge connecting shaft. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is described as "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is described as "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0024] like Figures 1 to 4 As shown, this utility model provides a positioning device for processing insulation pipe sleeves, including a clamping and positioning component 1 and a rotary drive component 2. The clamping and positioning component 1 is used to clamp the outer protective tube on the positioning processing table, and the rotary drive component 2 is used to drive the clamping and positioning component 1 to rotate. The clamping and positioning assembly 1 includes a rotating frame 11, which is formed by a horizontal part 111 and an inclined part 112 fixedly connected to form an integrated structure. The end of the horizontal part 111 away from the inclined part 112 is a free end, and the end closer to the inclined part 112 is rotatably mounted on a fixed support frame 4 through a hinge connector 3. The end of the inclined part 112 away from the horizontal part 111 is hinged to the power output end of the rotary drive assembly 2. The rotary drive assembly 2 drives the clamping and positioning assembly 1 to rotate around the hinge point of the hinge connector 3. The rotary drive assembly 2 is mounted on the fixed support frame 4 and is located below the clamping and positioning assembly 1.
[0025] Specifically, the hinge connector 3 used for the rotatable connection between the rotating frame 11 and the fixed support frame 4 includes two sets of hinge seats 31 and hinge shafts 32 arranged symmetrically. The two sets of hinge seats 31 are respectively fixed to the top of the fixed support frame 4 by bolts, and the hinge shaft 32 is installed between the two sets of hinge seats 31. The horizontal part 111 of the rotating frame 11 is fixedly fitted onto the hinge shaft 32 at one end near the inclined part 112.
[0026] like Figure 2 As shown, the clamping and positioning assembly 1 also includes a clamping cylinder 12 and a positioning plate 13. The cylinder body of the clamping cylinder 12 is mounted on the horizontal part 111 of the rotating frame 11. The piston end of the clamping cylinder 12 is connected to the rear side of the positioning plate 13. The front side of the positioning plate 13 is set as an arc-shaped contact surface, which is adapted to the outer protective tube. The axial reciprocating movement of the positioning plate 13 is controlled by the extension and retraction of the piston end of the clamping cylinder 12, thereby clamping both sides of the outer protective tube and realizing the radial constraint of the outer protective tube.
[0027] Furthermore, the clamping and positioning assembly 1 also includes two sets of guide rods 14. The two sets of guide rods 14 are symmetrically arranged on both sides of the clamping cylinder 12 with the clamping cylinder 12 as the central axis. The two sets of guide rods 14 are parallel to the piston axis of the clamping cylinder 12. Guide through holes are opened on the horizontal part 111 of the rotating frame 11 at the positions corresponding to the two sets of guide rods 14. The guide rods 14 slide through the guide through holes, and the front end of the guide rods 14 is fixedly connected to the rear side of the positioning plate 13. The two sets of guide rods 14 play a guiding role in the axial movement of the positioning plate 13.
[0028] like Figure 2 As shown, the fixed support frame 4 includes two sets of support plates 41 arranged opposite each other, with the two sets of support plates 41 arranged in parallel and spaced apart. The rotary drive assembly 2 is installed between the two sets of support plates 41. The rotary drive assembly 2 includes a telescopic cylinder 21, the cylinder body of which is hinged between the two sets of support plates 41. The piston end of the telescopic cylinder 21 is hinged to the inclined portion 112 of the rotating frame 11. The width of the inclined portion 112 is smaller than the distance between the two sets of support plates 41, so that the inclined portion 112 is located between the two sets of support plates 41. Specifically, by Figure 3The telescopic cylinder 21 has a fixed ring 211 mounted on its cylinder body. Coaxial connecting shafts 213 are fixed to both sides of the fixed ring 211, and the connecting shafts 213 are connected to corresponding fixed seats 212. The fixed seats 212 are bolted to the support plate 41 of the fixed support frame 4. The cylinder body of the telescopic cylinder 21 can rotate with the connecting shafts 213 as the rotation point. Figure 2 As shown, the end of the inclined part 112 of the rotating frame 11 away from the horizontal part 111 is formed into a U-shaped notch structure. A hinged connecting shaft 5 is installed between the two side walls of the U-shaped notch structure. A connecting ring 214 is fixedly provided at the piston end of the telescopic cylinder 21. The connecting ring 214 is fitted onto the hinged connecting shaft 5.
[0029] It should be noted that both the clamping cylinder 12 and the telescopic cylinder 21 are connected to an external oil supply tank via oil pipes to provide a power source for the extension and retraction of the cylinders.
[0030] The working principle and process of this utility model are as follows: The positioning device designed in this utility model, in practical use, is as follows: Figure 5 As shown, the components need to be symmetrically arranged in two groups on both sides of the length of the insulation pipe processing table. Through the linkage design of the rotary drive component 2 and the clamping and positioning component 1, the positioning device can flexibly switch between working and avoidance states, effectively adapting to the entire process requirements of outer protective pipe feeding and processing. During the outer protective tube loading and clearance phase, when the outer protective tube is conveyed to the processing table through the loading device, the positioning device needs to be in a clearance state to provide an unobstructed loading path for the outer protective tube. At this time, the telescopic cylinder 21 receives the control command from the control system, and its piston end slowly extends. Through the cooperation of the connecting ring 214 at the piston end and the hinge connecting shaft 5, the transmission is transmitted to the inclined part 112 of the rotating frame 11. The horizontal part 111 of the rotating frame 11 forms a rotational constraint with the fixed support frame 4 through the hinge connecting piece 3. Under the thrust of the telescopic cylinder 21, the inclined part 112 drives the entire rotating frame 11 to rotate clockwise around the axis of the hinge shaft 32 to a horizontal state. Figure 1 As shown, the height of the positioning plate 13 and the rotating frame 11 is made to be flush with the surface of the processing table, thereby completely avoiding the external protective pipe conveying path and avoiding the problem of low feeding efficiency caused by the obstruction of the positioning device. When the outer protective tube needs to be positioned, the piston end of the telescopic cylinder 21 slowly retracts. Similarly, under the action of tension, the inclined part 112 of the rotating frame 11 drives the rotating frame 11 to rotate counterclockwise around the axis of the hinge shaft 32, so that the rotating frame 11 in the clamping and positioning assembly 1 is in a vertical state. Figure 4 As shown, the arc-shaped surfaces of the positioning plates 13 on both sides are parallel to the outer circumferential surface of the outer protective tube for clamping and positioning operations. During clamping and positioning, the control system synchronously sends an extension command to the two sets of clamping cylinders 12. The piston end of the clamping cylinder 12 controls the positioning plates 13 on both sides to move toward the outer protective tube to form clamping and positioning, providing stable radial constraint for the outer protective tube, thereby preventing the outer protective tube from shifting during flaring and steel pipe insertion, and improving the stability of outer protective tube processing.
[0031] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and should not be considered as limiting the scope of implementation of this utility model. All equivalent changes and improvements made within the scope of this utility model should still fall within the scope of this patent.
Claims
1. A positioning device for processing insulation pipe sleeves, characterized in that, It includes a clamping and positioning component (1) and a rotation drive component (2). The clamping and positioning assembly (1) includes a rotating frame (11), which is formed by a horizontal part (111) and an inclined part (112) fixedly connected to form an integrated structure. The end of the horizontal part (111) away from the inclined part (112) is a free end, and the end closer to the inclined part (112) is rotatably mounted on a fixed support frame (4) through a hinge connector (3). The end of the inclined part (112) away from the horizontal part (111) is hinged to the power output end of the rotary drive assembly (2). The rotary drive assembly (2) drives the clamping and positioning assembly (1) to rotate around the hinge point of the hinge connector (3). The rotary drive assembly (2) is mounted on the fixed support frame (4) and is located below the clamping and positioning assembly (1).
2. The positioning device for processing insulation pipe sleeves according to claim 1, characterized in that, The clamping and positioning assembly (1) further includes a clamping cylinder (12) and a positioning plate (13). The cylinder body of the clamping cylinder (12) is mounted on the horizontal part (111) of the rotating frame (11), and the piston end of the clamping cylinder (12) is connected to the rear side of the positioning plate (13).
3. The positioning device for processing insulation pipe sleeves according to claim 2, characterized in that, The clamping and positioning assembly (1) also includes two sets of guide rods (14). The two sets of guide rods (14) are symmetrically arranged on both sides of the clamping cylinder (12), and the two sets of guide rods (14) are parallel to the piston axis of the clamping cylinder (12). The horizontal part (111) of the rotating frame (11) is provided with guide through holes corresponding to the two sets of guide rods (14). The guide rods (14) slide through the guide through holes, and the front end of the guide rods (14) is fixedly connected to the rear side of the positioning plate (13).
4. The positioning device for processing insulation pipe sleeves according to claim 2, characterized in that, The front side of the positioning plate (13) is provided as an arc-shaped fitting surface, which is adapted to the outer protective tube.
5. The positioning device for processing insulation pipe sleeves according to claim 1, characterized in that, The rotary drive assembly (2) includes a telescopic cylinder (21), and the fixed support frame (4) includes two sets of support plates (41) arranged opposite to each other. The two sets of support plates (41) are arranged in parallel and spaced apart. The cylinder body of the telescopic cylinder (21) is hinged between the two sets of support plates (41). The piston end of the telescopic cylinder (21) is hinged to the inclined part (112) of the rotating frame (11). The width of the inclined part (112) is smaller than the distance between the two sets of support plates (41), and the inclined part (112) is located between the two sets of support plates (41).
6. A positioning device for processing insulation pipe sleeves according to claim 5, characterized in that, The telescopic cylinder (21) has a fixed ring (211) fixedly fitted on its cylinder body. The two sides of the fixed ring (211) are respectively fixed with coaxial connecting shafts (213), and the connecting shafts (213) are connected to the corresponding fixed seats (212). The fixed seats (212) are fixed to the support plate (41) of the fixed support frame (4) by bolts.
7. A positioning device for processing insulation pipe sleeves according to claim 5, characterized in that, The inclined part (112) of the rotating frame (11) away from the horizontal part (111) has a U-shaped notch structure at the end. A hinged connecting shaft (5) is installed between the two side walls of the U-shaped notch structure. A connecting ring (214) is fixedly provided at the piston end of the telescopic cylinder (21). The connecting ring (214) is fitted on the hinged connecting shaft (5).
8. The positioning device for processing insulation pipe sleeves according to claim 1, characterized in that, The hinge connector (3) includes two sets of hinge seats (31) and hinge shafts (32) arranged symmetrically. The two sets of hinge seats (31) are respectively fixed to the top of the fixed support frame (4) by bolts. The hinge shaft (32) is installed between the two sets of hinge seats (31). The horizontal part (111) of the rotating frame (11) near the inclined part (112) is fixedly fitted onto the hinge shaft (32).