Reducing steam pipeline joint centralizer

Abstract

A reducing steam pipeline connector centralizer comprises a base and two centralizing devices symmetrically arranged on the base, each centralizing device comprises a vertical plate and a centering clamping mechanism, each centering clamping mechanism is fixed to the side face of the corresponding vertical plate, and each centering clamping mechanism comprises a supporting plate, a lower sliding seat, a lower sliding plate, a lower clamping block, an upper sliding plate, an upper clamping block, an upper sliding seat and a driving device. The supporting plate is vertically fixed to the side face of the vertical plate, the lower sliding seat and the upper sliding seat are vertically and symmetrically installed on the supporting plate, the lower sliding plate and the upper sliding plate are movably installed on the lower sliding seat and the upper sliding seat respectively, the lower clamping block is fixedly installed on the upper portion of the lower sliding plate, and the upper clamping block is fixedly installed on the lower portion of the upper sliding plate. The driving device drives the lower sliding plate and the upper sliding plate to move in a centering mode. According to the reducing steam pipeline connector centralizer, the welding efficiency of a connector is improved through the arranged centering clamping mechanism; through the arrangement of the driving device, loosening can be effectively prevented; and through the arrangement of the baffle push-pull device, the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steam pipelines, in particular to a centralizer for a reducing-diameter steam pipeline joint. Background Art

[0002] Reducing-diameter steam pipes refer to steam delivery pipes with different diameters at different locations. Usually in industrial production, steam pipes pass through multiple locations. Since different locations need to deliver different amounts of steam, the pipe diameters will vary. Reducing-diameter steam pipes need to be reasonably designed and installed to ensure that steam can flow smoothly and avoid energy loss and unnecessary pressure loss. Factors such as steam flow rate, pressure loss, and pipe material need to be considered during design to ensure safe and stable operation of the pipes. Reducing-diameter steam pipe joint welding refers to the use of welding methods to connect pipes together when connecting steam pipes of different diameters. This connection method is usually used in industrial steam systems that require long-term stable operation.

[0003] At present, before welding, workers usually use connecting plates, hand winches, etc. to adjust and temporarily spot weld the reducing steam pipe joints, and then remove the connecting plates after welding. This is time-consuming and laborious when welding the reducing steam pipe joints, which affects the welding efficiency. Therefore, it is of great significance to study a new type of reducing steam pipe joint centralizer to solve the above problems in order to improve the welding efficiency of reducing steam pipe joints. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a reducing steam pipe joint centralizer, which can automatically center the reducing steam pipe through the provided centering and clamping mechanism, thereby realizing the centralization and alignment of the reducing steam pipe joint and improving the welding efficiency of the reducing steam pipe joint; through the provided driving device, the reducing steam pipe can be centered and clamped, and loosening can be effectively prevented; through the provided baffle push-pull device, the reducing steam pipe joint can be easily centered, thereby reducing the labor intensity of workers and improving work efficiency.

[0005] The technical solution of the utility model is as follows:

[0006] The camshaft is actuated by a plurality of levers, the lever being arranged on a camshaft and being adapted to move the levers upwardly and downwardly to move the levers upwardly and downwardly to move the levers upwardly and downwardly to move the levers upwardly and downwardly to move the levers upwardly and downwardly to move the levers upwardly and downwardly.

[0007] The driving device includes a baffle, a guide rod, an elastic body and a baffle push-pull device. The baffle is arranged on the upper part of the upper slide plate. The guide rod passes through the lower slide plate, the elastic body, the upper slide plate and the baffle from bottom to top in sequence. The two ends of the guide rod are fixedly connected to the lower slide plate and the baffle respectively. The baffle push-pull device pushes the baffle to move up and down.

[0008] In order to facilitate the movement of the reducing steam pipe joint centralizer, walking wheels are arranged under the base.

[0009] In order to improve the strength and stability and ensure the safe operation of the mechanical structure, the lower slide plate and the lower slide seat as well as the upper slide plate and the upper slide seat are connected via a dovetail structure.

[0010] In order to easily align the different-diameter steam pipe joints, reduce the labor intensity of workers and improve work efficiency, the baffle push-pull device includes a handwheel and a screw. The handwheel is arranged on the upper part of the baffle, and the screw cooperates with the baffle thread. One end of the screw is fixedly connected to the handwheel, and the other end is in contact with the upper slide.

[0011] In order to improve the self-locking property and transmission stability of the screw, the thread of the screw is a trapezoidal thread.

[0012] In order to increase the clamping force and the contact area, the lower clamping block and the upper clamping block are V-shaped blocks.

[0013] The material of the lower clamping block and the upper clamping block is HT-200.

[0014] Two guide rods are provided, which are respectively located at two ends of the baffle.

[0015] The guide rod is made of stainless steel.

[0016] The elastic body is a compression spring.

[0017] The beneficial effects of the utility model are:

[0018] 1. The utility model discloses a centralizer for a different-diameter steam pipe joint, which can automatically center the different-diameter steam pipe through a centering clamping mechanism, thereby realizing the centering and alignment of the different-diameter steam pipe joint and improving the welding efficiency of the different-diameter steam pipe joint.

[0019] 2. The utility model discloses a different-diameter steam pipe joint centralizer, which can realize the centering and clamping of different-diameter steam pipes through the provided driving device, and can effectively prevent loosening.

[0020] 3. The utility model discloses a different-diameter steam pipe joint centralizer, which can easily center the different-diameter steam pipe joint by means of a baffle push-pull device, thereby reducing the labor intensity of workers and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] By reading the detailed description of the preferred embodiment below, the scheme and advantages of the present application will become clear to those skilled in the art. The accompanying drawings are only used to illustrate the preferred embodiment and are not considered to be limiting of the present invention.

[0022] In the attached picture:

[0023] Figure 1 It is a front view of a centralizer for a steam pipeline structure with a different diameter according to an embodiment of the utility model;

[0024] Figure 2 It is a side view of a centralizer for a steam pipeline structure with a different diameter according to an embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of a centering clamping mechanism structure in a relaxed state of a centralizer for a steam pipeline structure with a different diameter according to an embodiment of the utility model;

[0026] Figure 4 It is a schematic diagram of the clamping state of the centering clamping mechanism structure of a centralizer for a different-diameter steam pipeline structure according to an embodiment of the utility model;

[0027] Figure 5 for Figure 3 AA section view in;

[0028] Figure 6 for Figure 3 BB section view in;

[0029] Figure 7 for Figure 4 Schematic diagram of C direction in .

[0030] The components represented by the reference numerals in the figure are:

[0031] The utility model includes: 1. a base; 2. a vertical plate; 3. a centering clamping mechanism; 3a. a support plate; 3a1. a through hole; 3b. a lower sliding seat; 3c. a lower slide plate; 3d. a lower clamping block; 3e. an upper clamping block; 3f. an upper slide plate; 3g. a baffle; 3h. a hand wheel; 3i. a screw rod; 3j. a guide rod; 3k. an elastomer; 3l. an upper sliding seat; 4. a steam pipe of a different diameter. DETAILED DESCRIPTION

[0032] like Figures 1 to 7As shown, a centralizer for a different-diameter steam pipe joint comprises a base 1 and two centralizers symmetrically arranged on the base 1. Preferably, a walking wheel is arranged under the base 1; the walking wheel has the advantages of good load-bearing capacity, shock absorption effect, low-noise and stable operation, wear resistance and convenient maintenance, and can conveniently transport the centralizer for a different-diameter steam pipe joint to a desired position; the centralizer comprises a vertical plate 2 and a centering clamping mechanism 3, the centering clamping mechanism 3 is fixed to the side of the vertical plate 2, the centering clamping mechanism 3 comprises a supporting plate 3a, a lower sliding seat 3b, a lower sliding plate 3c, a lower clamping block 3d, an upper sliding plate 3f, an upper clamping block 3e, an upper sliding seat 3l and a driving plate The device comprises a support plate 3a which is vertically fixed to the side of the vertical plate 2, and the support plate 3a comprises a through hole 3a1 which is located between the lower clamping block 3d and the upper clamping block 3e, and the lower slide seat 3b and the upper slide seat 3l are symmetrically mounted on the support plate 3a, and the lower slide plate 3c and the upper slide plate 3f are movably mounted on the lower slide seat 3b and the upper slide seat 3l respectively. Preferably, the lower slide plate 3c and the lower slide seat 3b as well as the upper slide plate 3f and the upper slide seat 3l are connected via a dovetail structure; the dovetail structure can effectively withstand the effects of various forces, has high strength and stability, and can ensure the safe operation of the mechanical structure. The design of the dovetail structure The design is precise and has good compatibility, which can ensure the accurate alignment and mutual fit of the connecting parts, thereby improving the accuracy and stability of the mechanical structure. The connection is firm and not easy to loosen or fall off, and can maintain long-term stability and durability, extending the service life of the mechanical structure. The design is simple and clear, and the installation and disassembly are relatively easy, which is convenient for the maintenance and maintenance of the mechanical structure, and reduces the time and cost of maintenance work; the lower clamping block 3d is fixedly installed on the upper part of the lower slide plate 3c, and the upper clamping block 3e is fixedly installed on the lower part of the upper slide plate 3f. The driving device drives the lower slide plate 3c and the upper slide plate 3f to move in the center. Preferably, the lower clamping block 3 d and the upper clamping block 3e are V-shaped blocks; the clamping mouth of the V-shaped block is designed in a V shape, which can provide a large contact area and clamping force, effectively fix the workpiece, and prevent it from moving or deforming during processing and use; the V-shaped block can be adjusted according to the shape and size of the workpiece, and is suitable for clamping workpieces of various shapes and sizes. It has strong versatility and can accurately position the workpiece to the specified position, ensure the accuracy and stability of the workpiece, and improve the processing quality. The V-shaped block adopts a vertical clamping method, which can effectively save clamping space and is suitable for limited working space and workpieces of complex shapes; preferably, the material of the lower clamping block 3d and the upper clamping block 3e is HT-200;HT-200 material has excellent high temperature performance, can maintain stable mechanical and chemical properties in high temperature environment, is not easy to deform, embrittle or oxidize, has good corrosion resistance, can resist the erosion of acid, alkali, high temperature gas and corrosive medium, has a long service life, has high tensile strength and hardness, can withstand large loads and impacts, has good wear resistance and fatigue resistance, and HT-200 material is easy to process into parts of various shapes and sizes, can be processed by cutting, welding, forging and other processing technologies, and is suitable for the processing of complex parts; such as; Figure 3 and Figure 4 As shown, the driving device includes a baffle 3g, a guide rod 3j, an elastic body 3k and a baffle push-pull device, the baffle 3g is arranged on the upper part of the upper slide plate 3f, and the guide rod 3j passes through the lower slide plate 3c, the elastic body 3k, the upper slide plate 3f and the baffle 3g in sequence from bottom to top. Preferably, the elastic body 3k is a compression spring; the compression spring will undergo elastic deformation when subjected to force, store the force, and can release energy when needed, and can provide a large elastic force in a limited space, so it is suitable for mechanical devices with compact design, can continuously withstand multiple compressions and releases, and has high reliability and stability; the two ends of the guide rod 3j are respectively fixedly connected to the lower slide plate 3c and the baffle 3g. Preferably, two guide rods 3j are provided, which are respectively located at the two ends of the baffle 3g; by providing two guide rods, a more stable and reliable guiding performance can be provided, reducing the instability or offset caused by a single guide rod , ensuring the correct guidance and operation of equipment or mechanical parts, the two guide rods can support and balance each other, so that the position of the workpiece or tool during movement is more accurate and stable, thereby improving work accuracy and processing quality; the structure of the two guide rods is more solid and stable, which can enhance the overall rigidity and stability of the system, reduce problems caused by vibration or deformation, and improve the service life and reliability of the equipment; preferably, the guide rod 3j is made of stainless steel, and the stainless steel guide rod has the advantages of corrosion resistance, wear resistance, high strength and high temperature resistance; the baffle push-pull device pushes the baffle 3g to move up and down; the different-diameter steam pipe joint straightener, through the set centering and clamping mechanism, can automatically center the different-diameter steam pipe, thereby realizing the straightening and alignment of the different-diameter steam pipe joint, and improving the welding efficiency of the different-diameter steam pipe joint; through the set driving device, the different-diameter steam pipe can be centered and clamped, which can effectively prevent loosening.

[0033] like Figures 3 to 5As shown, the baffle push-pull device includes a hand wheel 3h and a screw rod 3i, the hand wheel 3h is arranged on the upper part of the baffle 3g, the screw rod 3i is threaded with the baffle 3g, one end of the screw rod 3i is fixedly connected to the hand wheel 3h, and the other end is in contact with the upper slide plate 3f. Preferably, the thread of the screw rod 3i is a trapezoidal thread; the trapezoidal cross section of the trapezoidal thread can provide a larger contact area, thereby increasing the bearing capacity of the thread. This makes the trapezoidal thread more stable and reliable when bearing a large load; because the angle of the trapezoidal thread cross section is large, the self-locking effect of the nut under the load is more stable, not easy to loosen or slide, which is conducive to improving the safety of the system; the cross-sectional design of the trapezoidal thread makes the friction of the thread smaller during the movement, thereby reducing wear and extending the service life; through the baffle push-pull device, the different-diameter steam pipe joint can be easily aligned, reducing the labor intensity of the workers and improving the work efficiency.

[0034] like Figures 1 to 7 As shown, when in use, the different-diameter steam pipe 4 is inserted from the left side through the through hole 3a1 of the support plate 3a into the lower clamping block 3d and the upper clamping block 3e of the centering clamping mechanism 3 on the left, the position of the different-diameter steam pipe 4 in the centering clamping mechanism 3 is adjusted, and the hand wheel 3h is rotated clockwise. The rotation of the hand wheel 3h drives the screw rod 3i to rotate clockwise, so that the screw rod 3i moves downward relative to the baffle plate 3g, thereby pushing the upper slide plate 3f to move downward along the guide rod 3j, and the lower slide plate 3c to move upward along the guide rod 3j, thereby driving the upper clamping block 3e and the lower clamping block 3d to move relative to each other, until the upper clamping block 3e and the lower clamping block 3d clamp the different-diameter steam pipe 4. Clamp; according to the same operation, clamp the other steam pipe to the centering clamping mechanism 3 on the right, thereby realizing the straightening and alignment of the different-diameter steam pipe joint; the different-diameter steam pipe joint straightener can automatically center the different-diameter steam pipe through the centering clamping mechanism, thereby realizing the straightening and alignment of the different-diameter steam pipe joint, and improving the welding efficiency of the different-diameter steam pipe joint; through the provided driving device, the different-diameter steam pipe can be centered and clamped, which can effectively prevent loosening; through the provided baffle push-pull device, the different-diameter steam pipe joint can be easily centered, which reduces the labor intensity of workers and improves work efficiency.

Claims

1. A centralizer for a reducing steam pipe joint, characterized in that: The invention comprises a base (1) and two straightening devices symmetrically arranged on the base (1), wherein the straightening devices comprise a vertical plate (2) and a centering clamping mechanism (3), wherein the centering clamping mechanism (3) is fixed on the side of the vertical plate (2), wherein the centering clamping mechanism (3) comprises a support plate (3a), a lower slide seat (3b), a lower slide plate (3c), a lower clamping block (3d), an upper slide plate (3f), an upper clamping block (3e), an upper slide seat (3l) and a driving device, wherein the support plate (3a) is vertically fixed on the side of the vertical plate (2), and wherein the support plate (3a) comprises a through hole (3a1). The through hole (3a1) is located between the lower clamping block (3d) and the upper clamping block (3e); the lower slide seat (3b) and the upper slide seat (3l) are symmetrically mounted on the support plate (3a); the lower slide plate (3c) and the upper slide plate (3f) are movably mounted on the lower slide seat (3b) and the upper slide seat (3l) respectively; the lower clamping block (3d) is fixedly mounted on the upper part of the lower slide plate (3c); the upper clamping block (3e) is fixedly mounted on the lower part of the upper slide plate (3f); and the driving device drives the lower slide plate (3c) and the upper slide plate (3f) to move in a central direction; The driving device comprises a baffle (3g), a guide rod (3j), an elastic body (3k) and a baffle push-pull device, wherein the baffle (3g) is arranged on the upper part of the upper slide plate (3f), the guide rod (3j) passes through the lower slide plate (3c), the elastic body (3k), the upper slide plate (3f) and the baffle (3g) in sequence from bottom to top, the two ends of the guide rod (3j) are respectively fixedly connected to the lower slide plate (3c) and the baffle (3g), and the baffle push-pull device pushes the baffle (3g) to move up and down.

2. A reducing steam pipe joint centralizer according to claim 1, characterized in that: Travel wheels are arranged under the base (1).

3. The reducing steam pipe joint centralizer according to claim 1, characterized in that: The lower slide plate (3c) and the lower slide seat (3b) as well as the upper slide plate (3f) and the upper slide seat (3l) are all connected via a dovetail structure.

4. The reducing steam pipe joint centralizer according to claim 1, characterized in that: The baffle push-pull device comprises a hand wheel (3h) and a screw rod (3i); the hand wheel (3h) is arranged on the upper part of the baffle (3g); the screw rod (3i) is threadedly matched with the baffle (3g); one end of the screw rod (3i) is fixedly connected to the hand wheel (3h) and the other end is in contact with the upper slide plate (3f).

5. A reducing steam pipe joint centralizer according to claim 4, characterized in that: The thread of the screw rod (3i) is a trapezoidal thread.

6. The reducing steam pipe joint centralizer according to claim 1, characterized in that: The lower clamping block (3d) and the upper clamping block (3e) are V-shaped blocks.

7. A reducing steam pipe joint centralizer according to claim 6, characterized in that: The material of the lower clamping block (3d) and the upper clamping block (3e) is HT-200.

8. The reducing steam pipe joint centralizer according to claim 1, characterized in that: Two guide rods (3j) are provided, and are respectively located at two ends of the baffle (3g).

9. The reducing steam pipe joint centralizer according to claim 1, characterized in that: The guide rod (3j) is made of stainless steel.

10. The reducing steam pipe joint centralizer according to claim 1, characterized in that: The elastic body (3k) is a compression spring.

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