Safe replacement device for gas filling pipeline

Abstract

The utility model relates to the technical field of safety protection, and particularly discloses a safety replacement device for a gas filling pipeline, which comprises a workbench, a first support and a second support arranged at the upper end of the workbench, a positioning cylinder arranged at the upper end of the first support, a positioning ring arranged at the upper end of the second support, first clamps arranged at two ends of the positioning cylinder, and a second clamp arranged in the positioning ring. A top plate is arranged above the workbench and fixedly connected with a supporting frame arranged at the upper end of the workbench, and a protective sleeve is arranged on the outer side of the supporting frame in a sleeving mode and connected with the supporting frame in a sliding mode. The protective sleeve has a retracting state and a falling state, and in the falling state, the protective sleeve slides to the bottom of the supporting frame body, and the second positioning piece locks the protective sleeve. The fallen sheath surrounds the positioning cylinder and the positioning ring, when the filling pipeline and the gas filling head are disconnected or burst, the sheath can protect surrounding workers, and the safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of test turntables, in particular to a safe replacement device for a gas filling pipeline. Background Art

[0002] The high-pressure gas filling pipeline replacement safety device is an auxiliary device used to perform pipeline replacement operations during the high-pressure gas filling operation. It can improve the safety of the high-pressure gas filling operation and avoid gas leakage.

[0003] The Chinese patent with application number CN202320366216.4 discloses a safe replacement device for gas filling pipelines, including an airflow detection chamber, a base is fixed at the bottom of the airflow detection chamber, and a cylinder fixing mechanism is provided on the base. The safe replacement device for gas filling pipelines has a pipeline fixing mechanism and a cylinder fixing mechanism installed on the bracket. The pipeline is fixed therein through the pipeline fixing mechanisms at both ends of the airflow detection chamber, and the first bolt is adjusted to allow the first elastic rubber ring in the first clamping plate to clamp the pipeline to ensure that the pipeline will not burst and injure people during replacement due to excessive airflow. Through the cylinder fixing mechanism, when the cylinder is filled with gas, the stability of the cylinder is ensured, making the operator safer at work. However, since the cylinder and the pipeline are fixed by rubber ring compression, when the weak point of the connection between the cylinder and the pipeline suddenly bursts due to air pressure problems, the debris bursting from the pipeline and the fixing mechanism is easy to injure the staff around the replacement device, posing a safety hazard. Utility Model Content

[0004] In view of the above problems, the utility model proposes a safe replacement device for a gas filling pipeline, which is used to solve the shortcomings of the existing replacement device that when the weak point of the connection between the cylinder and the pipeline suddenly bursts due to air pressure problems during use, the debris bursting from the pipeline and the fixing mechanism can easily injure the staff.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: a safe replacement device for a gas filling pipeline, comprising a workbench, a first bracket and a second bracket are provided at the upper end of the workbench, the second bracket is placed on one side of the first bracket, a positioning cylinder is provided at the upper end of the first bracket, a positioning ring is provided at the upper end of the second bracket, first clamps are provided at both ends of the positioning cylinder for fixing the filling pipeline, and a second clamp is provided in the positioning ring for fixing the gas filling head;

[0006] A top plate is provided above the workbench, which is fixedly connected to a support frame provided at the upper end of the workbench, a sheath is provided on the outer side of the support frame, the sheath is slidably connected to the support frame, a first positioning piece is provided on the top of the support frame, and a second positioning piece is provided on the bottom of the support frame.

[0007] A further improvement is that the first clamping device includes a pipe joint, which is fixedly connected to both ends of the positioning tube, a plurality of second clamping plates are provided on the inner side of the pipe joint, a plurality of second fixing bolts are installed on the outer side of the second clamping plates, and each second fixing bolt passes through the pipe joint and is rotatably connected to each second clamping plate.

[0008] A further improvement is that the second clamping device includes a plurality of first clamping plates arranged on the inner side of the positioning ring and a plurality of first fixing bolts arranged on the outer side of the positioning ring, and each first fixing bolt passes through the positioning ring and is rotatably connected to each first clamping plate.

[0009] A further improvement is that the support frame includes a plurality of mounting columns, each mounting column is fixedly connected to each corner of the workbench, the lower end of the mounting column is fixedly connected to the workbench, and the upper end of the mounting column is fixedly connected to the top plate.

[0010] A further improvement is that the first positioning member includes a plurality of first magnetic blocks arranged on the lower end surface of the top plate, and the first magnetic blocks are attracted to the second magnetic blocks arranged on the upper end surface of the sheath.

[0011] A further improvement is that the second positioning member includes a sliding sleeve, which is placed under the sleeve and is sleeved on the outside of the mounting column. The sliding sleeve is slidably connected to the mounting column. A positioning bolt is installed on the outside of the sliding sleeve. The positioning bolt penetrates into the sliding sleeve and is threadedly connected to the positioning hole opened on the outside of the mounting column.

[0012] A further improvement is that a support base is provided at the lower end of the workbench, the support base includes a plurality of columns, the columns are fixedly connected to the workbench, a rib plate is provided between two adjacent columns, and the rib plate is fixedly connected to the columns.

[0013] The beneficial effects of the utility model are:

[0014] The first accordion-type cover covers the upper end of the base, and the second accordion-type cover covers the upper end of the first slide. It can be folded and unfolded following the movements of the first slide and the second slide, thereby preventing external dust from falling into the joints between the base and the first slide, and the first slide and the second slide, thereby increasing the service life of the base, the first slide and the second slide, and also achieving a certain degree of noise reduction function. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a structural diagram of the utility model when the sheath is retracted.

[0017] Figure 2 It is a structural diagram of the utility model when the sheath falls.

[0018] Figure 3 It is a structural diagram of the pipe joint in the utility model.

[0019] Among them: 1. workbench; 2. support seat; 3. positioning cylinder; 4. first bracket; 5. positioning ring; 6. second bracket; 7. top plate; 8. mounting column; 9. sleeve; 10. sliding sleeve; 11. positioning bolt; 12. positioning hole; 13. first magnetic block; 14. second magnetic block; 15. first fixing bolt; 16. first clamping plate; 17. pipe joint; 18. second clamping plate; 19. second fixing bolt. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0021] according to Figure 1 , 2 As shown in Figure 3, a safe replacement device for a gas filling pipeline is proposed in this embodiment, including a workbench 1, a first bracket 4 and a second bracket 6 are provided at the upper end of the workbench 1, the second bracket 6 is placed on one side of the first bracket 4, a positioning cylinder 3 is provided at the upper end of the first bracket 4, a positioning ring 5 is provided at the upper end of the second bracket 6, first clamps for fixing the filling pipeline are provided at both ends of the positioning cylinder 3, and a second clamp for fixing the gas filling head is provided in the positioning ring 5; the filling pipeline passes through the positioning cylinder 3, the first clamps at both ends of the positioning cylinder 3 fix the pipeline, and the positioning ring 5 fixes the gas filling head through the second clamp to pressurize the pipeline.

[0022] The double-head fixing method of the positioning tube 3 can effectively prevent the pipeline from escaping from the positioning tube 3 during filling, and has higher reliability.

[0023] A top plate 7 is provided above the workbench 1, and the top plate 7 is fixedly connected to a support frame provided at the upper end of the workbench 1. A sheath 9 is provided on the outer side of the support frame, and the sheath 9 is slidably connected to the support frame. A first positioning piece is provided on the top of the support frame, and a second positioning piece is provided on the bottom of the support frame.

[0024] The sheath 9 has two states: retracted and dropped. In the retracted state, the sheath 9 slides to the top of the support frame, and the first positioning member locks the sheath 9. In the dropped state, the sheath 9 slides to the bottom of the support frame, and the second positioning member locks the sheath 9. The dropped sheath 9 surrounds the positioning tube 3 and the positioning ring 5. When the filling pipe and the gas filling head are disconnected or burst, the sheath 9 can protect the surrounding staff, and the safety is strong.

[0025] For the specific structures of the first clamp and the second clamp, please refer to the following description.

[0026] The first clamping device includes a pipe joint 17, which is fixedly connected to both ends of the positioning tube 3. A plurality of second clamping plates 18 are provided on the inner side of the pipe joint 17, and a plurality of second fixing bolts 19 are installed on the outer side of the second clamping plates 18. Each second fixing bolt 19 passes through the pipe joint 17 and is rotatably connected to each second clamping plate 18 respectively.

[0027] When clamping the filling pipe, the filling pipe is inserted into the positioning tube 3, and the filling pipe passes through the pipe joints 17 at both ends of the positioning tube 3. Each second clamping plate 18 surrounds the filling pipe, and the second fixing bolt 19 on the outside of the pipe joint 17 is rotated, and the second fixing bolt 19 is screwed into the pipe joint 17. The second fixing bolt 19 will push the second clamping plate 18 to approach the filling pipe, and the second clamping plate 18 squeezes the pipe to fix the filling pipe in the center of the positioning tube 3.

[0028] The second clamping device includes a plurality of first clamping plates 16 disposed inside the positioning ring 5 and a plurality of first fixing bolts 15 disposed outside the positioning ring 5 . Each first fixing bolt 15 passes through the positioning ring 5 and is rotatably connected to each first clamping plate 16 .

[0029] When clamping the gas filling head, the gas filling head is placed in the positioning ring 5, and the first fixing bolt 15 on the outside of the positioning ring 5 is rotated, and the first fixing bolt 15 is screwed into the positioning ring 5. The first fixing bolt 15 pushes the first clamping plate 16, and the first clamping plate 16 approaches the gas filling head and squeezes the gas filling head to fix the gas filling head in the center of the positioning ring 5.

[0030] It should be further explained that the support frame includes a plurality of mounting columns 8, each of which is fixedly connected to each corner of the workbench 1, the lower end of the mounting column 8 is fixedly connected to the workbench 1, and the upper end of the mounting column 8 is fixedly connected to the top plate 7. The top plate 7 is fixed above the workbench 1 through the mounting columns 8.

[0031] For the specific structures of the first positioning member and the second positioning member, please refer to the following description.

[0032] The first positioning member includes a plurality of first magnetic blocks 13 disposed on the lower end surface of the top plate 7 , and the first magnetic blocks 13 are attracted to the second magnetic blocks 14 disposed on the upper end surface of the sheath 9 .

[0033] When the sheath 9 is folded upward and slides along the mounting column 8 to the top of the mounting column 8, the second magnetic block 14 on the upper end surface of the sheath 9 will contact the first magnetic block 13 on the lower end surface of the top plate 7, and the first magnetic block 13 and the second magnetic block 14 are attracted to lock the sheath 9 in the folded state. The sheath 9 in the folded state does not affect the loading and unloading of the pipeline.

[0034] The second positioning member includes a sliding sleeve 10, which is placed below the protective sleeve 9 and sleeved on the outside of the mounting column 8. The sliding sleeve 10 is slidably connected to the mounting column 8. A positioning bolt 11 is installed on the outside of the sliding sleeve 10. The positioning bolt 11 penetrates into the sliding sleeve 10 and is threadedly connected with a positioning hole 12 provided on the outside of the mounting column 8. The outside of the mounting column 8 has a plurality of positioning holes 12, and each positioning hole 12 is evenly arranged along the height direction of the mounting column 8. After releasing the fixing of the positioning holes 12 and the positioning bolt 11, the setting height of the sliding sleeve 10 can be adjusted.

[0035] Pull down the sleeve 9 and wrap it around the positioning tube 3 and the positioning ring 5, then screw the positioning bolt 11 on the outside of the sliding sleeve 10 into the positioning hole 12 opened on the outside of the mounting column 8. The positioning bolt 11 cooperates with the positioning hole 12 to fix the sliding sleeve 10 to the mounting column 8. After the sleeve 9 falls, the sliding sleeve 10 will support the sleeve 9 from the lower end of the sleeve 9 to limit the sleeve 9 from continuing to fall.

[0036] About workbench 1;

[0037] A support base 2 is provided at the lower end of the workbench 1. The support base 2 includes a plurality of columns, which are fixedly connected to the workbench 1. A rib plate is provided between two adjacent columns, which are fixedly connected to the columns.

[0038] The columns and the workbench 1, and the columns and the ribs are generally fixed by welding. By arranging the ribs between the columns, the structural strength of the entire support base 2 can be effectively improved, and the stability of the replacement device can be enhanced.

[0039] How this application works:

[0040] The filling pipe passes through the positioning tube 3. The first clamps at both ends of the positioning tube 3 fix the pipe. The positioning ring 5 fixes the gas filling head through the second clamp to pressurize the pipe. The sheath 9 has two states: retracted and dropped. In the retracted state, the sheath 9 slides to the top of the support frame, and the first positioning piece locks the sheath 9. In the expanded state, the sheath 9 slides to the bottom of the support frame, and the second positioning piece locks the sheath 9. The dropped sheath 9 surrounds the positioning tube 3 and the positioning ring 5. When the filling pipe and the gas filling head are disconnected or burst, the sheath 9 will provide protection for the surrounding staff.

[0041] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying 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 a limitation on the present application. 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 an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0042] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A safe replacement device for a gas filling pipeline, comprising a workbench (1), wherein a first bracket (4) and a second bracket (6) are provided at the upper end of the workbench (1), wherein the second bracket (6) is placed on one side of the first bracket (4), and characterized in that: A positioning cylinder (3) is provided at the upper end of the first bracket (4), a positioning ring (5) is provided at the upper end of the second bracket (6), first clamps for fixing the filling pipe are provided at both ends of the positioning cylinder (3), and a second clamp for fixing the gas filling head is provided inside the positioning ring (5); A top plate (7) is provided above the workbench (1), and the top plate (7) is fixedly connected to a support frame provided at the upper end of the workbench (1); a protective sleeve (9) is sleeved on the outer side of the support frame, and the protective sleeve (9) is slidably connected to the support frame; a first positioning member is provided at the top of the support frame, and a second positioning member is provided at the bottom of the support frame.

2. A safe replacement device for a gas filling pipeline according to claim 1, characterized in that: The first clamping device comprises a pipe joint (17), the pipe joint (17) is fixedly connected to the two ends of the positioning tube (3), a plurality of second clamping plates (18) are arranged on the inner side of the pipe joint (17), a plurality of second fixing bolts (19) are arranged on the outer side of the second clamping plates (18), and each of the second fixing bolts (19) passes through the pipe joint (17) and is rotatably connected to each of the second clamping plates (18).

3. A safe replacement device for a gas filling pipeline according to claim 1, characterized in that: The second clamping device comprises a plurality of first clamping plates (16) arranged on the inner side of the positioning ring (5) and a plurality of first fixing bolts (15) arranged on the outer side of the positioning ring (5), each of the first fixing bolts (15) passing through the positioning ring (5) and being rotatably connected to each of the first clamping plates (16).

4. A safe replacement device for a gas filling pipeline according to claim 1, characterized in that: The support frame comprises a plurality of mounting columns (8), each of the mounting columns (8) being fixedly connected to a corner of the workbench (1), the lower end of the mounting column (8) being fixedly connected to the workbench (1), and the upper end of the mounting column (8) being fixedly connected to the top plate (7).

5. A safe replacement device for a gas filling pipeline according to claim 4, characterized in that: The first positioning member comprises a plurality of first magnetic blocks (13) arranged on the lower end surface of the top plate (7), and the first magnetic blocks (13) are attracted to second magnetic blocks (14) arranged on the upper end surface of the sleeve (9).

6. A safe replacement device for a gas filling pipeline according to claim 4, characterized in that: The second positioning member comprises a sliding sleeve (10), wherein the sliding sleeve (10) is placed below the protective sleeve (9), the sliding sleeve (10) is sleeved on the outside of the mounting column (8), the sliding sleeve (10) is slidably connected to the mounting column (8), a positioning bolt (11) is mounted on the outside of the sliding sleeve (10), the positioning bolt (11) penetrates into the sliding sleeve (10) and is threadedly connected to a positioning hole (12) provided on the outside of the mounting column (8).

7. A safe replacement device for a gas filling pipeline according to claim 1, characterized in that: A support base (2) is provided at the lower end of the workbench (1), and the support base (2) comprises a plurality of columns, the columns are fixedly connected to the workbench (1), and a rib plate is provided between two adjacent columns, and the rib plate is fixedly connected to the columns.

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