Sealing door of pipe cleaning cavity

Abstract

The utility model relates to the technical field of steel pipe cleaning equipment, in particular to a sealing door of a pipe cleaning cavity, which comprises an external main frame provided with supporting legs at the bottom, an internal auxiliary frame is slidably connected in the external main frame, and the external main frame and the internal auxiliary frame are both formed by splicing square pipes. A hydraulic cylinder is rotationally connected between the inner auxiliary frame and the outer main frame, a plurality of longitudinal plates are fixedly connected to one side of the inner auxiliary frame, limiting assemblies movably penetrating through the longitudinal plates are arranged on one sides of the longitudinal plates, and a door plate is fixedly connected to the ends, away from the longitudinal plates, of the limiting assemblies. The longitudinal plate is provided with an outward pushing assembly used for pushing the door plate to be away from the inner auxiliary frame. The problems that due to the fact that an existing sealing door can only be arranged in one direction, the extrusion force between the door and a cleaning cavity cannot be adjusted, the sealing degree between the door and the cleaning cavity is difficult to change, and looseness and sealing performance reduction are caused after long-time use are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe cleaning equipment technical field, concretely is a kind of sealing door of pipe cleaning cavity. BACKGROUND

[0002] Stainless steel pipe is moved to cleaning cavity when cleaning, and the inlet of cleaning cavity needs to be closed in the process of cleaning, to prevent cleaning liquid from leaking out, or to meet the vacuum sealing environment inside cleaning cavity, by searching, the patent with application No.

[0003] The door can only move in one direction, and the pressing force between the door and the cleaning cavity cannot be adjusted, so the sealing degree between the door and the cleaning cavity cannot be changed, and the sealing performance may decrease after long-term use. UTILITY MODEL CONTENT

[0004] To solve the problem that the existing sealing door can only move in one direction, resulting in the inability to adjust the pressing force between the door and the cleaning cavity, making it difficult to change the sealing degree between the door and the cleaning cavity, and leading to a decrease in sealing performance after long-term use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sealing door for a pipe cleaning cavity, comprising an outer main frame with support legs mounted at the bottom, an inner secondary frame slidably connected inside the outer main frame, the outer main frame and the inner secondary frame both being composed of square tubes spliced together, a hydraulic cylinder rotatably connected between the inner secondary frame and the outer main frame, a plurality of longitudinal plates fixedly connected to one side of the inner secondary frame, a limiting assembly movably penetrating the longitudinal plates provided on one side of the longitudinal plates, a door panel fixedly connected to the end of the limiting assembly away from the longitudinal plates, and an outer pushing assembly installed on the longitudinal plates for pushing the door panel away from the inner secondary frame.

[0006] Preferably, the outer pushing assembly comprises a positioning plate mounted on the side of the longitudinal plate away from the door panel, a circular hole is formed in one side of the positioning plate and the longitudinal plate, a gas cylinder is fixedly connected to the side of the positioning plate away from the longitudinal plate, the output end of the gas cylinder movably penetrates the positioning plate and the longitudinal plate, and a horizontal push plate is fixedly connected to the output end of the gas cylinder.

[0007] Preferably, the limiting assembly comprises a sleeve penetrating the longitudinal plate, the sleeve is internally provided with a sliding rod movably extended to the outside at both ends, a circular block is fixedly connected between the sliding rod and the door plate, a circular hole is formed in the circular block, and a baffle is fixedly connected to the end of the sliding rod away from the circular block.

[0008] Preferably, the top and bottom of the internal secondary frame are fixedly connected with mounting plates, and two limiting rollers are rotatably connected to the side of the mounting plates away from the internal secondary frame.

[0009] Preferably, the bottom of the internal secondary frame is provided with a support penetrating one of the square tubes of the internal secondary frame, and a bearing is rotatably connected between the two sides of the support.

[0010] Preferably, one side of the external main frame is fixedly connected with a plurality of support frames, the top of the plurality of support frames is fixedly connected with a transverse frame, the inner bottom of the transverse frame is slidably connected with a drag chain, the side of the internal secondary frame close to the transverse frame is fixedly connected with a bent plate, and one end of the drag chain movably extends to the outside of the transverse frame and is fixedly connected with the bent plate.

[0011] Preferably, one side of the door plate is provided with an observation hole, and the side of the door plate is rotatably connected with a cover plate covering the observation hole.

[0012] Preferably, the side of the internal secondary frame away from the door plate is fixedly connected with a protection frame for protecting the hydraulic cylinder.

[0013] Compared with the prior art, the utility model provides a sealing door of pipe cleaning cavity, which has the following beneficial effects:

[0014] 1. By setting the hydraulic cylinder, the internal secondary frame and the external pushing assembly, the sealing door can move in the transverse and longitudinal directions, the extrusion degree between the sealing door and the cleaning cavity can be controlled when the sealing door is closed, the sealing degree between the door and the cleaning cavity is changed, and the sealing property is prevented from being reduced due to loosening after long-time use.

[0015] 2. By setting the limiting assembly, the door plate can be prevented from shaking when moving, and the stability of the door plate when moving is improved.

[0016] 3. By setting the bearing and the limiting roller, a structure similar to a sliding window is formed, and the door can be conveniently moved along the length direction of the external main frame.

[0017] 4. By setting the drag chain, the wire harness on the internal secondary frame can be better bundled, and the wire harness following the movement of the internal secondary frame can be better pulled and protected. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0019] Figure 1 It is the overall structure schematic view of the utility model;

[0020] Figure 2 It is the structure schematic view of the internal subframe and door plate of the utility model;

[0021] Figure 3 It is the structure schematic view of the limiting assembly of the utility model;

[0022] Figure 4 It is the structure schematic view of the utility model outer push assembly;

[0023] Figure 5 It is the structure schematic view of the internal subframe of the utility model;

[0024] Figure 6 It is the structure schematic view of the utility model drag chain.

[0025] In the drawing: 1, external main frame; 2, internal subframe; 3, hydraulic cylinder; 4, longitudinal plate; 5, limiting assembly; 51, sleeve; 52, sliding rod; 53, round block; 54, baffle; 6, door plate; 7, outer push assembly; 71, positioning plate; 72, air cylinder; 73, transverse push plate; 8, mounting plate; 9, limiting roller; 10, support; 11, bearing; 12, support frame; 13, transverse frame; 14, drag chain; 15, bending plate; 16, cover plate; 17, protection frame. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be described in detail hereinafter with reference to the drawings and embodiments, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

[0027] EMBODIMENT

[0028] In order to be able to adjust the extrusion degree of the sealing door and the steel pipe cleaning cavity, ensure the sealing degree between the sealing door and the steel pipe cleaning cavity, Figures 1-6For an embodiment of the utility model, propose a kind of sealing door of pipe cleaning cavity, including the outer main frame 1 of bottom installation support leg, slidingly connected with the inside subframe 2 in the outer main frame 1, the outer main frame 1 and inside subframe 2 are all by square tube splicing composition, rotatably connected with hydraulic cylinder 3 between inside subframe 2 and outer main frame 1, a plurality of longitudinal plate 4 is fixedly connected in the side of inside subframe 2, the side of longitudinal plate 4 is equipped with movable limit component 5 that penetrates longitudinal plate 4, limit component 5 is fixedly connected with door plate 6 in the end away from longitudinal plate 4, install on longitudinal plate 4 for the outer push subassembly 7 for pushing door plate 6 away from inside subframe 2, when using, hydraulic cylinder 3 contracts, drives inside subframe 2 and its door plate 6 on it and moves to the position away from steel pipe cleaning cavity inlet, at this time door plate 6 moves to the end of outer main frame 1, makes the inlet of steel pipe cleaning cavity open, at this time steel pipe can be moved into steel pipe cleaning cavity.

[0029] Then hydraulic cylinder 3 elongation, push inside subframe 2 and its door plate 6 on it and move, until inside subframe 2 and door plate 6 move to the other end of outer main frame 1, at this time door plate 6 moves to the inlet of steel pipe cleaning cavity, blocks inlet, can control outer push subassembly 7 and push door plate 6 along the width direction of outer main frame 1 and move, door plate 6 is limited by limit component 5 when along the width direction of outer main frame 1 and move, prevent door plate 6 from shaking when moving, at this time door plate 6 gradually approaches and extrudes the inlet of steel pipe cleaning cavity, increases the extrusion degree of sealing door and steel pipe cleaning cavity inlet, so that sealing door can move along two directions of transverse and longitudinal, can control the extrusion degree between sealing door and cleaning cavity when closing sealing door, to change the sealing degree between door and cleaning cavity, prevent sealing door from loosening and sealing property drops after long time use.

[0030] To control door plate 6 to approach steel pipe cleaning cavity, refer to Figure 4 , outer push subassembly 7 includes the positioning plate 71 installed in the side of longitudinal plate 4 away from door plate 6, the side of positioning plate 71 and longitudinal plate 4 is all equipped with round hole, positioning plate 71 is fixedly connected with pneumatic cylinder 72 in the side away from longitudinal plate 4, the output end of pneumatic cylinder 72 movably penetrates positioning plate 71 and longitudinal plate 4, the output end of pneumatic cylinder 72 is fixedly connected with transverse push plate 73, when using, positioning plate 71 is fixed on longitudinal plate 4 by pneumatic cylinder 72, can fix transverse push plate 73 with door plate 6, at this time, pneumatic cylinder 72 can drive door plate 6 to approach or away from steel pipe cleaning cavity, in addition, transverse push plate 73 can not be fixed with door plate 6, at this time, not only can door plate 6 be moved to steel pipe cleaning cavity by pneumatic cylinder 72, but also can be installed on steel pipe cleaning cavity with clamping piece, extrude door plate again by clamping piece, relative to the mode of single use pneumatic cylinder 72 extruding door plate 6, can enhance the force of pressing door plate 6 on steel pipe cleaning cavity, to enhance the sealing property of door plate 6 and steel pipe cleaning cavity inlet.

[0031] In order to improve the stability of the door plate 6 when moving along the width of the outer main frame 1, with reference to Figure 1 and Figure 3 , the limiting assembly 5 includes a sleeve 51 penetrating the longitudinal plate 4, the inside of the sleeve 51 is provided with a sliding rod 52 movably extending to the outside at both ends, the sliding rod 52 is fixedly connected with a round block 53 between the door plate 6, the round block 53 is provided with a round hole, and the end of the sliding rod 52 away from the round block 53 is fixedly connected with a baffle 54. In use, the air cylinder 72 pushes the door plate 6 along the width direction of the outer main frame 1 through the transverse push plate 73, drives the round block 53 and the sliding rod 52 to gradually move away from the longitudinal plate 4, and the sliding rod 52 moves through the sleeve 51, the sleeve 51 limits the sliding rod 52, which can prevent the door plate 6 from shaking when moving, and improves the stability of the door plate 6 when moving.

[0032] In order to make the internal secondary frame 2 move along the outer main frame 1 more stably and smoothly, with reference to Figure 1 and Figure 5 , the top and bottom of the internal secondary frame 2 are fixedly connected with mounting plates 8, and the side away from the internal secondary frame 2 of the mounting plate 8 is rotatably connected with two limiting rollers 9. The bottom of the internal secondary frame 2 is provided with a support 10 penetrating one of the square tubes of the internal secondary frame 2, and the two sides of the support 10 are rotatably connected with bearings 11. In use, the hydraulic cylinder 3 pushes the internal secondary frame 2 to move, and the limiting rollers 9 at the upper and lower ends of the internal secondary frame 2 are respectively located on the two sides of the outer main frame 1. The limiting rollers 9 roll along the outer main frame 1 to limit the movement of the internal secondary frame 2, while the bearings 11 roll on the outer main frame 1, and the bearings 11 and the limiting rollers 9 form a structure similar to a sliding window, which facilitates movement along the length direction of the outer main frame 1.

[0033] In order to facilitate the collection and control of the wire harness moving the sealing door, with reference to Figure 1 , Figure 5 and Figure 6 , a plurality of support frames 12 are fixedly connected to one side of the outer main frame 1, the top of the plurality of support frames 12 is fixedly connected with a transverse frame 13, the inner bottom of the transverse frame 13 is slidably connected with a drag chain 14, and the side close to the transverse frame 13 of the internal secondary frame 2 is fixedly connected with a bent plate 15. One end of the drag chain 14 movably extends to the outside of the transverse frame 13 and is fixedly connected with the bent plate 15. In use, the wire harness is inserted from the bottom end of the drag chain 14, then pulled out from one end of the bent plate 15, and then connected with the air cylinder 72. When the hydraulic cylinder 3 pushes the internal secondary frame 2 to move along the length direction of the outer main frame 1, it drives the drag chain 14 to slide along the transverse frame 13, and the wire harness moves in the drag chain 14 along with the internal secondary frame 2, which can better collect the wire harness on the internal secondary frame 2 and better pull and protect the wire harness moving along with the internal secondary frame 2.

[0034] With reference toFigure 1 and Figure 2 , one side of the door plate 6 is provided with an observation port, the door plate 6 is rotatably connected with a cover plate 16 covering the observation port, the inner auxiliary frame 2 is fixedly connected with a protection frame 17 for protecting the hydraulic cylinder 3 at the side away from the door plate 6, in use, the protection frame 17 protects the hydraulic cylinder 3, and the cover plate 16 can be opened to observe the cleaning progress in the steel pipe cleaning cavity, or hot air can be introduced from the observation port after opening the cover plate 16 to dry the cleaning liquid remaining on the surface of the steel pipe after cleaning the inside of the steel pipe cleaning cavity.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sealing door for a pipe cleaning chamber, comprising an outer main frame (1) with support legs mounted on the bottom, characterized in that: The external main frame (1) is slidably connected with an internal secondary frame (2), the external main frame (1) and the internal secondary frame (2) are both composed of square tubes, a hydraulic cylinder (3) is rotatably connected between the internal secondary frame (2) and the external main frame (1), a plurality of longitudinal plates (4) are fixedly connected to one side of the internal secondary frame (2), a limiting assembly (5) movably penetrating through the longitudinal plate (4) is arranged on one side of the longitudinal plate (4), a door plate (6) is fixedly connected to one end of the limiting assembly (5) away from the longitudinal plate (4), and an external pushing assembly (7) for pushing the door plate (6) away from the internal secondary frame (2) is installed on the longitudinal plate (4).

2. A seal door for a pipe cleaning chamber according to claim 1, characterized in that: The external pushing assembly (7) comprises a positioning plate (71) installed on the side of the longitudinal plate (4) away from the door plate (6), the positioning plate (71) and the longitudinal plate (4) are both provided with a circular hole, a gas cylinder (72) is fixedly connected to the side of the positioning plate (71) away from the longitudinal plate (4), the output end of the gas cylinder (72) movably penetrates through the positioning plate (71) and the longitudinal plate (4), and a transverse push plate (73) is fixedly connected to the output end of the gas cylinder (72).

3. A seal door for a pipe cleaning chamber according to claim 1, wherein: The limiting assembly (5) comprises a sleeve (51) penetrating through the longitudinal plate (4), the inside of the sleeve (51) is provided with a slide rod (52) movably extending to the outside at both ends, a circular block (53) is fixedly connected between the slide rod (52) and the door plate (6), the circular block (53) is provided with a circular hole, and a baffle (54) is fixedly connected to one end of the slide rod (52) away from the circular block (53).

4. A seal door for a pipe cleaning chamber according to claim 1, characterized in that: The top and bottom of the internal secondary frame (2) are fixedly connected with mounting plates (8), and two limiting rollers (9) are rotatably connected to the side of the mounting plate (8) away from the internal secondary frame (2).

5. A seal door for a pipe cleaning chamber according to claim 1, wherein: The bottom of the internal secondary frame (2) is provided with a support (10) penetrating through one of the square tubes of the internal secondary frame (2), and a bearing (11) is rotatably connected between the two sides of the support (10).

6. A seal door for a pipe cleaning chamber according to claim 1, characterized in that: A plurality of support frames (12) are fixedly connected to one side of the external main frame (1), a transverse frame (13) is fixedly connected to the top of the plurality of support frames (12), a drag chain (14) is slidably connected to the inner bottom of the transverse frame (13), a bent plate (15) is fixedly connected to the side of the internal secondary frame (2) close to the transverse frame (13), and one end of the drag chain (14) movably extends to the outside of the transverse frame (13) and is fixedly connected with the bent plate (15).

7. A seal door for a pipe cleaning chamber according to claim 1, wherein: An observation port is formed in one side of the door plate (6), and a cover plate (16) rotatably connected to one side of the door plate (6) covers the observation port.

8. A seal door for a pipe cleaning chamber according to claim 1, characterized in that: A protection frame (17) for protecting the hydraulic cylinder (3) is fixedly connected to the side of the internal secondary frame (2) away from the door plate (6). A protection frame (17) for protecting the hydraulic cylinder (3) is fixedly connected to the side of the internal secondary frame (2) away from the door plate (6).

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