Axial buffering pipe clamp
By designing axial buffer tube clamps in the fixed device of the pipeline, using the roller positioning block and internal spring structure buffer thermal expansion and contraction, the freedom and stability of the axial movement of the pipeline is realized, and the sliding distance between the existing technology is limited. The problem of incorrect support angle.
Patent Information
- Application Number
- CN202421324207.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-06-12
AI Technical Summary
When the existing pipeline fixing device faces the thermal expansion and contraction of the steam pipeline, the sliding distance is limited and the pipe is not parallel to the fixing seat during installation, which will lead to the wrong support angle, which will then damage the pipe connection.
Design a axial buffer tube clip with a rolling bead positioning block and inner spring structure. The roller can move 360 °, the thermal expansion and contraction of the pipeline can be cushioned, and the axial free movement of the pipeline is achieved through the axial buffer movement structure.
The movement distance of the pipeline during axial movement is not limited, the radial motion harm caused by thermal expansion and contraction is eliminated, and the stability of the pipeline is ensured.
Smart Images
Figure CN222416387U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of pipeline fasteners, and in particular relates to an axial buffer pipe clamp. Background Art
[0002] A large number of equipment in modern industrial and civil fields require industrial steam or thermal pipelines. When these pipelines enter the heat source, they will expand rapidly due to thermal expansion and contraction, and the driving force generated will affect the stability of the entire pipeline and the pipe rack if the pipe clamp is too tight or cannot be made to slide. At present, the fixation of such pipelines mainly adopts vermiculite insulation pipe brackets or steel metal pipe brackets as pipe clamps (different materials are selected, and the structure is basically the same, such as Figure 1 As shown in the figure), the fixing seat is fixed on the pipe gallery or welded on the embedded part, and the sliding seat together with the metal clamp slides on the inner groove of the fixing seat. However, the disadvantages of this type of pipe clamp are: 1. The sliding distance is limited, and the sliding distance is determined by the length of the sliding seat; 2. If the pipeline is not parallel to the fixing seat during installation, the support angle will be incorrect, thereby damaging the pipeline connection. Utility Model Content
[0003] The utility model provides an axial buffer pipe clamp. Aiming at the thermal expansion characteristics of a steam pipeline, an axial ball-type pipe clamp is developed, which is not limited in radial expansion or axial extension of the pipeline when heated.
[0004] The technical solution adopted by the utility model to solve its technical problems is:
[0005] An axial buffer pipe clamp includes a fixed bracket, on which an arc-shaped upper clamp and a lower clamp are arranged, the upper clamp and the lower clamp are symmetrically used to clamp a thermal pipe, and then fix the thermal pipe, both ends of the upper clamp and the lower clamp are provided with a fixed plate extending outward, the fixed plates are connected by fastening bolts, the upper clamp and the lower clamp both include a shaft shell, and an axial buffer movement structure is arranged in the shaft shell, which is used to buffer the thermal expansion and contraction and axial movement of the thermal pipe. Further, the axial buffer movement structure includes a ball positioning block adapted to the outer shape of the shaft shell, the inner arc surface of the ball positioning block is provided with a plurality of ball grooves, and a ball rotates in the ball groove, the ball part is located outside the side opposite to the shaft shell, and the ball can rotate on the shaft shell, the outer arc surface of the ball positioning block and the position corresponding to the ball position are provided with an inner spring, and a closed end plate is arranged between the bottom of the ball positioning block and the fixed plate. Furthermore, spring seats are provided at both ends of the inner spring, and the two ends of the inner spring are respectively fixed to the inner surface of the shaft housing and the ball positioning block through the spring seats, or spring slots for accommodating the inner spring are opened in the shaft housing and the ball positioning block, and both ends of the inner spring are fixed, so that the structure is more stable. Furthermore, the ball positioning block is fixed to the end plate by fixing bolts, and the end plate is fixed to the fixing plate by fixing bolts. Furthermore, the ball grooves are arranged at intervals to fix the spacing between the balls, and the number is set according to demand, and there are at least three groups. Furthermore, holes are opened on the inner surface of the arc of the shaft housing to place the balls, and the hole diameter is smaller than the diameter of the balls.
[0006] The beneficial effects of the utility model are:
[0007] 1. The balls are symmetrically fixed to the steam pipe under the pressure of the spring, so that the balls can move 360 degrees, so that the utility model can move axially on the pipe, and the moving distance is not limited;
[0008] 2. The inner spring design can also eliminate the hazards caused by radial movement caused by thermal expansion of the steam pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] The technical solution of the present application is further described below in conjunction with the accompanying drawings and embodiments.
[0010] Figure 1 It is a schematic diagram of the prior art structure;
[0011] Figure 2 It is a schematic diagram of the internal structure of an embodiment of the present application;
[0012] Figure 3 This is a schematic diagram of the three-dimensional structure of the lower clamp of an embodiment of the present application;
[0013] Figure 4 It is a schematic diagram of the structure of the use state of an embodiment of the present application;
[0014] The reference numerals in the figure are:
[0015] 1. Upper clamp, 2. Lower clamp, 3. Thermal pipe, 4. Fixing plate, 5. Fastening bolts, 6. Axle housing, 7. Spring slot, 8. Ball positioning block, 9. Ball slot, 10. Ball, 11. Inner spring, 12. End plate. DETAILED DESCRIPTION
[0016] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.
[0017] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention of the present utility model, unless otherwise specified, "multiple" means two or more.
[0018] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.
[0019] The technical solution of the present application will be described in detail below with reference to the accompanying drawings and in combination with embodiments. Example
[0020] The present embodiment provides an axial buffer pipe clamp, including a fixed bracket (not shown in the figure), on which an arc-shaped upper clamp 1 and a lower clamp 2 are provided, the upper clamp 1 and the lower clamp 2 are symmetrically used to clamp the thermal pipe 3, and then fix the thermal pipe 3, both ends of the upper clamp 1 and the lower clamp 2 are provided with outwardly extending fixing plates 4, and the fixing plates 4 are connected by fastening bolts 5, the upper clamp 1 and the lower clamp 2 both include an axle shell 6, and an axial buffer movement structure is provided in the axle shell 6, which is used to buffer the thermal expansion and contraction and axial movement of the thermal pipe 3. The axial buffer movement structure includes a ball positioning block 8 that is adapted to the shape of the shaft housing 6 and is provided in the shaft housing 6. A plurality of ball grooves 9 are provided on the inner arc surface of the ball positioning block 8. Balls 10 rotate in the ball grooves 9. Holes 11 are provided on the inner arc surface of the shaft housing 6 to accommodate the balls 10. The diameter of the holes 11 is smaller than the diameter of the balls 10. Part of the balls 10 are located outside the shaft housing 6 through the holes 11. An inner spring 11 is provided on the outer arc surface of the ball positioning block 8 and corresponding to the position of the balls 10. A closed end plate 12 is provided between the bottom of the ball positioning block 8 and the fixed plate 4. The ball positioning block 8 is fixed to the end plate 12 by fixing bolts, and the end plate 12 is fixed to the fixed plate 4 by fixing bolts. As an embodiment of the present invention, both ends of the inner spring 11 are provided with spring seats, and the two ends of the inner spring 11 are respectively fixed to the inner surface of the shaft housing 6 and the ball positioning block 8 through the spring seats. The inner spring 11 is fixed, so that its structure is more stable. The spring seat can also be replaced with a spring slot 7 for accommodating the inner spring 11 in the shaft housing 6 and the ball positioning block 8. As an embodiment of the present invention, the ball grooves 9 are arranged at intervals to save materials. The number is mainly sufficient, and there are at least three groups.
[0021] The utility model product is mainly divided into an upper semicircular part and a lower semicircular part, namely an upper clamp and a lower clamp. The upper semicircular part and the lower semicircular part are of the same structural mode and are symmetrical up and down. The upper and lower parts are fixed into a pipe clamp body by bolts.
[0022] The ball is installed between the lower and upper shaft shells, and the pressure of the inner spring is used to press the ball against the shaft shell. The upper and lower clamps hold the steam pipe, and the ball is pressed against the steam pipe. When steam enters the steam pipe to form thermal expansion, the pipe diameter increases and the radial surface presses the ball in the opposite direction. The ball pushes the inner spring again, thereby eliminating the tension. The axial surface of the heated pipe will also increase, which will not affect the sliding of the ball on the thermal pipe.
[0023] The principle of the utility model is as follows: the shaft housing located at the upper part is semicircular and is fixed to the shaft housing located at the lower part by fixing bolts; the inner spring is placed in the shaft housing and between the ball positioning blocks; the outer end of the ball positioning block is designed with a spring slot for fixing the inner spring, and the inner end is designed with an arc-shaped and arc-shaped groove for fixing the ball to prevent the displacement of the ball, and the ball positioning block is fixed to the shaft housing by bolts; the ball is installed on the ball hole reserved in the shaft housing and between the ball positioning blocks; the shaft housing is designed into an arc shape according to pipes of different specifications, and a hole is opened on the arc to place the ball, the hole diameter is smaller than the diameter of the ball, and the ball positioning block and the upper shaft housing 1 are fixed together.
[0024] Based on the above ideal embodiments of this application, the relevant staff can make various changes and modifications without departing from the technical concept of this application through the above description. The technical scope of this application is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. An axial buffer pipe clamp, comprising a fixing bracket, wherein an arc-shaped upper clamp and a lower clamp are arranged on the fixing bracket, and both ends of the upper clamp and the lower clamp are provided with fixing plates extending outward, and the fixing plates are connected by fastening bolts, characterized in that: The upper clamp and the lower clamp both include an axle housing, and an axial buffer movement structure is provided inside the axle housing for buffering thermal expansion and contraction and axial movement of the thermal pipeline; The axial buffer movement structure includes a ball positioning block that is adapted to the shape of the shaft shell and is arranged in the shaft shell. A plurality of ball grooves are opened on the inner arc surface of the ball positioning block. Balls rotate in the ball grooves. The ball part is located outside the opposite side of the shaft shell. An inner spring is arranged on the outer arc surface of the ball positioning block and corresponding to the position of the ball. A closed end plate is arranged between the bottom of the ball positioning block and the fixed plate.
2. The axial buffer pipe clamp according to claim 1, characterized in that: A spring retaining groove for accommodating an inner spring is provided in the shaft housing and the ball positioning block.
3. The axial buffer pipe clamp according to claim 1, characterized in that: The ball positioning block is fixed to the end plate by fixing bolts, and the end plate is fixed to the fixing plate by fixing bolts.
4. The axial buffer pipe clamp according to claim 1, characterized in that: The ball grooves are arranged at intervals.
5. The axial buffer pipe clamp according to claim 1, characterized in that: The arc inner surface of the shaft housing is provided with holes for accommodating the balls, and the diameter of the holes is smaller than the diameter of the balls.