Adjustable pulse valve replacing device

Abstract

The utility model discloses an adjustable pulse valve replacing device, which belongs to the field of dust removal of iron works in the iron and steel industry and comprises a support. A clamping assembly used for clamping pipelines on the two sides is arranged on the support through a driving assembly. The clamping assembly comprises a fixed clamping plate and a movable clamping plate which are hinged to each other, the other end of the fixed clamping plate and the other end of the movable clamping plate are provided with fixing pieces matched for fixation, the inner side of the fixed clamping plate is fixedly connected with a positioning plate, and the inner side of the movable clamping plate is provided with a locking plate through an adjusting piece. According to the replacing device, the two clamping assemblies can be used for clamping pipelines connected with flanges on the two sides of the adjusting type pulse valve, then the driving assembly is used for enabling the two clamping assemblies to move oppositely on the same straight line, and the adjusting type pulse valve can be disassembled and assembled conveniently; and the phenomenon that the two ends of the adjustable pulse valve and the pipeline ports on the two sides are staggered and clamped, and consequently the adjustable pulse valve is not easy to disassemble is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal in ironmaking plants of the steel industry, in particular to an adjustable pulse valve replacement device. Background Art

[0002] The ironmaking plant blast furnace environmental dust removal provides dust removal support for the blast furnace iron tapping and under-trough feeding system, collects the smoke generated during the production process, and has a backflush system to ensure that the dust collector bags filter the smoke well. The pulse valve backflushes the box according to the set cycle. The pulse valve often has damaged gaskets and leaks during long-term use, and the pulse valve needs to be replaced. Due to the tight seal, it is difficult to disassemble and assemble, and then the pulse valve needs to be disassembled and replaced by replacing the device.

[0003] Upon investigation, the Chinese utility model patent with publication number CN214446071U discloses an adjustable pulse valve replacement device. The device uses the cooperation of hooks and hanging chains to hang on the pipe flanges on both sides of the pulse valve, and then squeezes the pulse valve through the cooperation of the threaded lifting screw and the support plate, and then can squeeze the pulse valve down between the two pipes to complete the purpose of disassembling the pulse valve. However, the method of positioning the pipes on both sides by using the cooperation of hooks and hanging chains, and squeezing and disassembling the pulse valve between the pipes on both sides by using the cooperation of screw rods and support plates, during the disassembly process, the pipes on both sides will tilt upward under the action of tension, which will cause the two relative flanges to clamp the pulse valve in disguise, thereby affecting the disassembly of the pulse valve.

[0004] Therefore, the utility model provides an adjustable pulse valve replacement device to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model provides an adjustable pulse valve replacement device, which aims to solve the problem that in the existing replacement device proposed in the background technology, the pipelines on both sides will tilt upward under the action of tension during the disassembly of the pulse valve, which will then cause the two relative flanges to clamp the pulse valve in disguise, thereby affecting the disassembly of the pulse valve.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable pulse valve replacement device, comprising a bracket;

[0009] The difference from the existing replacement device is that: a clamping assembly for clamping the pipes on both sides is arranged on the bracket through a driving assembly; the clamping assembly comprises a fixed clamping plate and a movable clamping plate hinged to each other, the other ends of the fixed clamping plate and the movable clamping plate are provided with a fixing piece for matching and fixing, the inner side of the fixed clamping plate is fixedly connected with a positioning plate, and the inner side of the movable clamping plate is provided with a locking plate through an adjusting piece; the two clamping assemblies can be used to clamp the pipes connected to the flanges on both sides of the adjustable pulse valve, and then the driving assembly is used to enable the two clamping assemblies to perform opposite movements on the same straight line, so as to facilitate the disassembly and installation of the adjustable pulse valve and prevent the two ends of the adjustable pulse valve from being misaligned and stuck at the pipe ports on both sides, which makes it difficult to disassemble the adjustable pulse valve;

[0010] Among them, in order to improve the clamping effect of the clamping assembly on the outer wall of the pipe, a plurality of teeth are processed on the opposite ends of the positioning plate and the locking plate; the positioning plate and the locking plate are both arc-shaped plates, which are convenient for clamping pipes of different diameters, thereby improving the application scope of the device, and utilizing a plurality of teeth to increase the fit between the inner wall of the positioning plate and the locking plate and the outer wall of the pipe, thereby reducing the probability of slippage between the outer wall of the pipe and the positioning plate and the locking plate.

[0011] Preferably, the driving assembly includes a connecting plate fixed to the outside of the fixed clamping plate, a two-way screw rod threadedly inserted into the connecting plate through a threaded hole and rotatably connected to the bracket, one end of the two-way screw rod is fixedly connected to a crank, and a guide rod fixedly connected to the bracket is slidably inserted into the connecting plate through a circular hole; the threads on the outer wall of the two-way screw rod are opened in reverse, and the cooperation of the two-way screw rod and the guide rod with the connecting back plate can make the two clamping assemblies move relative to or in opposite directions on the same straight line, thereby preventing the occurrence of misalignment and sticking at the two ends of the adjustable pulse valve and the pipeline ports on both sides.

[0012] Preferably, the fixing part includes a clamping plate fixed on the fixed splint and a hinge seat on the movable splint, respectively, the clamping plate is clamped with a fixing screw hinged to the hinge seat, and the fixing screw is threadedly sleeved with a fixing nut; the hinged connection between the hinge seat and the fixing screw is utilized to avoid the fixing screw from being lost, and at the same time, the cooperation between the fixing screw, the fixing nut and the clamping plate facilitates the fixing of the opening ends of the fixed splint and the movable splint.

[0013] Preferably, the adjusting member includes an adjusting screw threadedly inserted on the movable clamping plate and rotatably connected to the locking plate, one end of the adjusting screw is fixedly connected to a knob, and a guide slide bar fixedly connected to the locking plate is slidably inserted through a circular hole on the movable clamping plate; the cooperation between the adjusting screw and the guide slide bar facilitates further adjustment of the distance between the locking plate and the movable clamping plate, thereby facilitating the device to clamp pipes of different diameters.

[0014] Preferably, the replacement device also includes a base plate, an electric push rod is fixedly installed in the middle of the top of the base plate, the top of the electric push rod is fixedly connected to a U-shaped socket clamped with the bracket, both sides of the top of the base plate are fixedly connected to positioning cylinders, the top of the positioning cylinder is slidably inserted with an extension rod fixedly connected to the bottom end of the bracket; the electric push rod is used to facilitate the adjustment of the height of the device, and the fixing plate is used to facilitate the clamping of the pipe, and the cooperation of the positioning cylinder and the extension rod is used to facilitate the axial limitation of the device, so that the device can only move in the vertical direction.

[0015] Preferably, the bottom corners of the base plate are fixed with universal wheels by screws; the universal wheels include movable casters and fixed casters, and the device can be conveniently moved by the universal wheels. The universal wheels also have a self-locking function, which allows the device to be in a stable state during use.

[0016] Preferably, the bottom plate is T-shaped.

[0017] (III) Beneficial effects

[0018] The replacement device utilizes two clamping assemblies to clamp the pipes connected to the flanges on both sides of the adjustable pulse valve, and then utilizes a driving assembly to enable the two clamping assemblies to perform opposite movements on the same straight line, thereby facilitating the disassembly and installation of the adjustable pulse valve and preventing the two ends of the adjustable pulse valve from being misaligned and stuck at the pipe ports on both sides, which would make the adjustable pulse valve difficult to disassemble.

[0019] The replacement device utilizes the cooperation between the base plate and the universal wheel to facilitate the movement of the device, the electric push rod is used to facilitate the adjustment of the height of the device, the fixed clamp is used to facilitate the clamping of the pipe, and the cooperation between the positioning tube and the extension rod is used to facilitate the axial limitation of the device so that the device can only move in the vertical direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of an adjustable pulse valve replacement device;

[0021] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 3 It is a schematic diagram of the connection structure between the bracket, the driving component and the clamping component;

[0023] Figure 4 It is a schematic diagram of the structure of the clamping assembly;

[0024] Figure 5 It is a schematic diagram of the connection structure between the base plate and the electric push rod.

[0025] In the figure:

[0026] 1. Bracket; 2. Clamping assembly; 21. Fixed splint; 22. Movable splint; 23. Fixing piece; 231. Clamping plate; 232. Articulated seat; 2321. Fixed screw; 2322. Fixed screw sleeve; 24. Positioning plate; 25. Locking plate; 251. Adjusting screw; 252. Guide slide rod; 3. Driving assembly; 31. Connecting plate; 32. Bidirectional screw; 33. Guide rod; 4. Bottom plate; 41. Universal wheel; 42. Electric push rod; 421. U-shaped holder; 43. Positioning cylinder; 431. Extension rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example 1

[0029] The utility model provides an adjustable pulse valve replacement device, such as Figure 1-5 As shown, the replacement device includes a bracket 1; a clamping assembly 2 for clamping pipes on both sides is arranged on the bracket 1 through a driving assembly 3; the clamping assembly 2 includes a fixed clamp 21 and a movable clamp 22 which are hinged to each other, and the other ends of the fixed clamp 21 and the movable clamp 22 are provided with a matching fixed fixing member 23, the inner side of the fixed clamp 21 is fixedly connected with a positioning plate 24, and the inner side of the movable clamp 22 is provided with a locking plate 25 through an adjusting member; the two clamping assemblies 2 can be used to clamp the pipes connected to the flanges on both sides of the adjustable pulse valve, and then the driving assembly 3 is used to enable the two clamping assemblies 2 to perform opposite movements on the same straight line, so as to facilitate the disassembly and installation of the adjustable pulse valve and prevent the two ends of the adjustable pulse valve from being misaligned and stuck with the pipe ports on both sides, which makes it difficult to disassemble the adjustable pulse valve.

[0030] Among them, in order to improve the clamping effect of the clamping component 2 on the outer wall of the pipe, a plurality of teeth are processed on the opposite ends of the positioning plate 24 and the locking plate 25; the positioning plate 24 and the locking plate 25 are both arc-shaped plates, which are convenient for clamping pipes of different diameters, thereby improving the application scope of the device, and utilizing a plurality of teeth to increase the fit between the inner wall of the positioning plate 24 and the locking plate 25 and the outer wall of the pipe, thereby reducing the probability of slippage between the outer wall of the pipe and the positioning plate 24 and the locking plate 25.

[0031] For details, please refer to the attached Figure 3As shown, the driving assembly 3 includes a connecting plate 31 fixed and welded on the outside of the clamping plate 21, and a bidirectional screw 32 rotatably connected to the bracket 1 is threadedly inserted on the connecting plate 31 through a threaded hole, and a crank is fixedly connected to one end of the bidirectional screw 32, and a guide rod 33 fixedly connected to the bracket 1 is slidably inserted through a circular hole on the connecting plate 31; the threads on the outer wall of the bidirectional screw 32 are opened in reverse, and the cooperation of the bidirectional screw 32 and the guide rod 33 with the connecting back plate 31 can make the two clamping assemblies 2 move relative to or in opposite directions on the same straight line, thereby preventing the occurrence of misalignment and sticking at the two ends of the adjustable pulse valve and the pipeline ports on both sides.

[0032] For details, please refer to the attached Figure 2 As shown, the fixing member 23 includes a clamping plate 231 fixed on the fixed splint 21 and a hinge seat 232 on the movable splint 22, respectively; a fixing screw 2321 hinged to the hinge seat 232 is clamped on the clamping plate 231, and a fixing nut 2322 is threadedly sleeved on the fixing screw 2321; the hinged connection between the hinge seat 232 and the fixing screw 2321 is utilized to avoid the fixing screw from being lost, and at the same time, the fixing screw 2321 cooperates with the fixing nut 2322 and the clamping plate 231 to facilitate the fixing of the opening ends of the fixed splint 21 and the movable splint 22.

[0033] For details, please refer to the attached Figure 3 As shown, the adjusting member includes an adjusting screw 251 which is threadedly inserted on the movable splint 22 and rotatably connected to the locking plate 25, one end of the adjusting screw 251 is fixedly connected to a knob, and a guide slide bar 252 which is fixedly connected to the locking plate 25 and is slidably inserted through a circular hole on the movable splint 22; the cooperation between the adjusting screw 251 and the guide slide bar 252 facilitates the continued adjustment of the distance between the locking plate 25 and the movable splint 22, thereby facilitating the device to clamp pipes of different diameters.

[0034] When in use, first rotate the fixing nut 2322 counterclockwise, and then remove the fixing screw 2321 from the clamping plate 231 to open the movable splint 22, and then clamp the two fixing splints 21 on the pipes on both sides of the adjustable pulse valve respectively, so that the inner side of the positioning plate 24 fits with the outer wall of the pipe, and then fit the movable splint 22 with one end of the fixed splint 21 so that the fixing screw 2321 is clamped on the clamping plate 231, and then rotate the fixing nut 2322 clockwise to make the clamping plate 231 and one end of the hinged seat 232 fit each other, thereby completing the fixation of the fixed splint 21 and one end of the movable splint 22; then drive the adjusting screw 251 to rotate clockwise by rotating the knob, and the adjusting screw 251 rotates while cooperating with the guide slide bar 252 to make The inner side of the locking plate 25 squeezes the pipeline to move, and then the pipeline is stably clamped between the locking plate 25 and the positioning plate 24; then the bolts connecting the pipeline and the two ends of the adjustable pulse valve are removed, and then the two-way screw rod 32 is rotated clockwise to make the two connecting plates 31 move linearly toward the opposite end under the action of the guide rod 33 and the two-way screw rod 32, so that the two pipelines move in opposite directions along the straight line, and then the gap between the two pipelines and the adjustable pulse valve is increased. At this time, the adjustable pulse valve can be removed, and then the new pulse valve can be installed. The two pipelines are made to move relative to each other by rotating the two-way screw rod 32 counterclockwise, and then the adjustable pulse valve in the middle is clamped, which makes it convenient to connect the adjustable pulse valve to the pipeline by bolts.

[0035] Example 2

[0036] See attached Figure 5 As shown, the replacement device also includes a base plate 4, an electric push rod 42 is fixedly installed in the middle of the top of the base plate 4, the top of the electric push rod 42 is fixedly connected to a U-shaped holder 421 that is clamped with the bracket 1, and positioning cylinders 43 are fixedly connected to both sides of the top of the base plate 4, and the top of the positioning cylinder 43 is slidably inserted with an extension rod 431 that is fixedly connected to the bottom end of the bracket 1; the cooperation between the base plate 4 and the universal wheel 41 is convenient for driving the device to move, and the height of the device is conveniently adjusted through the electric push rod 42, and the fixed clamp 21 is convenient for clamping the pipeline, and the cooperation between the positioning cylinder 43 and the extension rod 431 is convenient for axial limitation of the device, so that the device can only move in the vertical direction.

[0037] The bottom corners of the base plate 4 are fixed with universal wheels 41 by screws; the universal wheels 41 include movable casters and fixed casters, and the device can be easily moved by the universal wheels 41. At the same time, the universal wheels 41 also have a self-locking function, which facilitates the device to be in a stable state during use.

[0038] The bottom plate 4 is T-shaped.

[0039] It should be noted that the wiring diagram of the electric push rod 42 in the present invention is common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use, so the control method and wiring layout of the electric push rod 42 will not be explained in detail.

[0040] It should be noted that the various standard parts used in the present invention are all available on the market, and non-standard parts can be specially customized. The connection methods adopted in the present invention, such as bolt connection, welding, etc., are also very common means in the mechanical field, and the inventor will not go into details here.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An adjustable pulse valve replacement device, comprising a bracket (1); Features: The support (1) is provided with a clamping assembly (2) for clamping pipes on both sides via a driving assembly (3); The clamping assembly (2) comprises a fixed clamping plate (21) and a movable clamping plate (22) which are hinged to each other, the other ends of the fixed clamping plate (21) and the movable clamping plate (22) are provided with a matching fixing piece (23), the inner side of the fixed clamping plate (21) is fixedly connected with a positioning plate (24), and the inner side of the movable clamping plate (22) is provided with a locking plate (25) via an adjusting piece; Wherein, the opposite ends of the positioning plate (24) and the locking plate (25) are both processed with a plurality of teeth.

2. The adjustable pulse valve replacement device according to claim 1, characterized in that: The driving assembly (3) comprises a connecting plate (31) fixed on the outside of the fixed clamping plate (21); a bidirectional screw rod (32) rotatably connected to the bracket (1) is threadedly inserted through a threaded hole on the connecting plate (31); one end of the bidirectional screw rod (32) is fixedly connected to a crank; and a guide rod (33) fixedly connected to the bracket (1) is slidably inserted through a circular hole on the connecting plate (31).

3. The adjustable pulse valve replacement device according to claim 1, characterized in that: The fixing member (23) comprises a clamping plate (231) fixed on the fixed clamping plate (21) and a hinge seat (232) fixed on the movable clamping plate (22), the clamping plate (231) is clamped with a fixing screw (2321) hinged to the hinge seat (232), and a fixing screw sleeve (2322) is threadedly sleeved on the fixing screw (2321).

4. The adjustable pulse valve replacement device according to claim 1, characterized in that: The adjusting member comprises an adjusting screw (251) which is threadedly inserted on the movable clamping plate (22) and rotatably connected to the locking plate (25); one end of the adjusting screw (251) is fixedly connected to a knob; and a guide sliding rod (252) which is fixedly connected to the locking plate (25) and slidably inserted through a circular hole on the movable clamping plate (22).

5. The adjustable pulse valve replacement device according to claim 1, characterized in that: The replacement device also includes a base plate (4), an electric push rod (42) is fixedly installed in the middle of the top of the base plate (4), the top of the electric push rod (42) is fixedly connected to a U-shaped clamping seat (421) clamped with the bracket (1), and positioning cylinders (43) are fixedly connected to both sides of the top of the base plate (4), and the top of the positioning cylinder (43) is slidably inserted with an extension rod (431) fixedly connected to the bottom end of the bracket (1).

6. The adjustable pulse valve replacement device according to claim 5, characterized in that: The bottom plate (4) is in a T shape.

7. The adjustable pulse valve replacement device according to claim 5, characterized in that: Universal wheels (41) are fixedly mounted on the bottom corners of the bottom plate (4) by means of screws.

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