Quick uncovering structure of micro-pressure equipment

Abstract

The utility model relates to a quick uncovering structure of micro-pressure equipment. The quick uncovering structure comprises a flange, a flange cover, a wedge-shaped pressing block, a rotating disc, a rotating disc driving assembly, a pressing connecting rod assembly and an uncovering assembly. One side of the flange cover is rotatably connected with one side of the flange, the rotating disc is rotatably connected to the center of the top face of the flange cover, the rotating disc driving assembly drives the rotating disc to rotate in different directions, and the rotating disc is connected with the wedge-shaped pressing block through the pressing connecting rod assembly. The pressing connecting rod assembly can drive the wedge-shaped pressing block to press or separate from the flange and the edge side of the flange cover based on the rotating direction of the rotating disc, and the cover opening assembly is used for driving one side of the flange cover to rotate with one side of the flange as the axis. The rotating disc rotates to drive the wedge-shaped pressing block to press or break away from the edge sides of the flange and the flange cover through movement of the pressing connecting rod assembly, the cover opening assembly drives one side of the flange cover to rotate with one side of the flange as the axis, the cover opening and closing process of the micro-pressure equipment is achieved, manpower and time are saved in the whole process, automatic remote control is achieved, and the production efficiency is improved. And dangerous situations are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cover opening structures of micro-pressure equipment, in particular to a quick cover opening structure of micro-pressure equipment. Background Art

[0002] The covers of manholes and inspection ports on existing micro-pressure equipment are usually connected to the main body of the equipment by flanges, most of which are connected by multiple bolt groups and need to be opened frequently. Since there are multiple bolt groups on the flange, the nuts on each group of bolts need to be loosened when opening the cover, and multiple groups of nuts need to be locked when closing the cover. The locking process needs to be symmetrical and alternating, which is time-consuming and labor-intensive. If the installation is not done properly, it will cause pressure leakage. Moreover, both opening and locking the cover require manual operation. If the pressure in the equipment is not discharged in time, it is easy to cause injuries when opening it manually. Utility Model Content

[0003] In order to solve the above problems in the prior art, the utility model provides a quick cover opening structure for micro-pressure equipment, which saves manpower and time and improves safety.

[0004] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include: a quick cover opening structure of a micro-pressure device, including a flange, a flange cover, a wedge-shaped pressure block, a turntable, a turntable drive assembly, a pressing connecting rod assembly and a cover opening assembly;

[0005] One side of the flange cover is rotatably connected to one side of the flange, the turntable is rotatably connected to the center of the top surface of the flange cover, the turntable drive assembly drives the turntable to rotate in different directions, the turntable is connected to the wedge-shaped pressure block through a clamping connecting rod assembly, and the clamping connecting rod assembly can drive the wedge-shaped pressure block to clamp or disengage the side of the flange and the flange cover based on the rotation direction of the turntable, and the cover opening assembly is used to drive one side of the flange cover to rotate around one side of the flange as the axis.

[0006] The beneficial effects of the utility model are as follows: the turntable is driven to rotate by the turntable driving assembly, and the rotation of the turntable drives the wedge-shaped pressure block to press or disengage the sides of the flange and the flange cover through the activity of the clamping connecting rod assembly, and the one side of the flange cover is driven to rotate with one side of the flange as the axis by the opening cover assembly, and the opening and closing cover process of the micro-pressure equipment is realized through the cooperation of the two. The whole process saves manpower and time, can be automatically remotely controlled, does not require personnel to approach for operation, and reduces the occurrence of dangerous situations.

[0007] Preferably, the turntable drive assembly comprises a clamping cylinder and a fulcrum one;

[0008] The clamping oil cylinder is fixed on the flange cover, the fulcrum one is rotatably connected to the top surface of the turntable, and the force arm of the clamping oil cylinder is connected to the fulcrum one.

[0009] Preferably, a plurality of the clamping link assemblies are arranged on the turntable.

[0010] Preferably, a plurality of the clamping link assemblies are arranged on the top surface of the turntable at equal intervals along the circumference of the turntable.

[0011] As described above, the clamping link assemblies are arranged at equal intervals along the circumference of the turntable, and multiple wedge-shaped pressure blocks can be clamped or disengaged simultaneously on the circumference of the flange cover, with strong synchronization, and can ensure the reliability of the locking operation between the flange cover and the flange.

[0012] Preferably, the clamping connecting rod assembly comprises a fulcrum 2, a connecting rod, a fulcrum 3, a rocker arm 1 and a fulcrum 4;

[0013] The fulcrum 2 is rotatably connected to the top surface of the turntable, one end of the connecting rod is connected to the fulcrum 2, the fulcrum 3 is rotatably connected to the other end of the connecting rod, the fulcrum 4 is rotatably connected to the top side of the flange cover, the rocker arm 1 is connected to the fulcrum 4 and rotates with the fulcrum 4 as the supporting point, one end of the rocker arm 1 is connected to the fulcrum 3, and the wedge-shaped pressure block is fixed to the other end of the rocker arm 1.

[0014] As described above, the clamping connecting rod assembly has a simple structural design and good transmission effect, and can effectively realize the clamping or disengagement operation of the wedge-shaped pressure block based on the different rotation directions of the turntable.

[0015] Preferably, the cover opening assembly comprises a cover opening shaft, a cover opening cylinder, a fulcrum five and a rocker arm two;

[0016] The cover opening shaft is fixed to the rotating side of the flange cover, the fulcrum five is rotatably connected to the force arm of the cover opening cylinder, one end of the rocker arm two is connected to the fulcrum five, and the other end of the rocker arm two is fixedly connected to the cover opening shaft.

[0017] As described above, the expansion and contraction operation of the cover opening oil cylinder can drive the cover opening shaft to rotate in different directions, thereby realizing the opening and closing operation of the flange cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a side sectional view of a quick cover opening structure of a micro-pressure device of the utility model;

[0019] Figure 2 It is a top view of a wedge-shaped pressing block in a quick-opening cover structure of a micro-pressure device of the utility model, in a state of pressing the flange and the side of the flange cover;

[0020] Figure 3 It is a top view of a wedge-shaped pressing block in a quick cover opening structure of a micro-pressure device of the utility model in a state of being separated from the flange and the side of the flange cover;

[0021] Figure 4 It is a simple schematic diagram of a quick opening structure of a micro-pressure device of the utility model when the connecting rod and the center point of the turntable are in line during the pressing operation of the wedge-shaped pressing block to form a dead point;

[0022] Description of reference numerals:

[0023] 1. Clamping cylinder; 2. Turntable; 3. Pivot 1; 4. Pivot 2; 5. Connecting rod; 6. Pivot 3; 7. Rocker arm 1; 8. Pivot 4; 9. Wedge-shaped pressure block; 10. Flange; 11. Flange cover; 12. Opening cylinder; 13. Rocker arm 2; 14. Opening shaft; 15. Pivot 5; 16. Pivot 6. DETAILED DESCRIPTION

[0024] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0025] Embodiment 1

[0026] Please refer to Figures 1 to 4 As shown, a quick cover opening structure of a micro-pressure device includes a flange 10, a flange cover 11, a wedge-shaped pressure block 9, a turntable 2, a turntable drive assembly, a pressing connecting rod assembly and a cover opening assembly;

[0027] One side of the flange cover 11 is rotatably connected to one side of the flange 10, the turntable 2 is rotatably connected to the top surface center of the flange cover 11, the turntable drive assembly drives the turntable 2 to rotate in different directions, the turntable 2 is connected to the wedge-shaped pressure block 9 through the clamping connecting rod assembly, and the clamping connecting rod assembly can drive the wedge-shaped pressure block 9 to clamp or disengage the sides of the flange 10 and the flange cover 11 based on the rotation direction of the turntable 2, and the cover opening assembly is used to drive one side of the flange cover 11 to rotate around one side of the flange 10 as the axis.

[0028] In this embodiment, the turntable drive assembly includes a clamping cylinder 1 and a fulcrum 3;

[0029] The clamping cylinder 1 is fixed on the flange cover 11 , the fulcrum 1 3 is rotatably connected to the top surface of the turntable 2 , and the force arm of the clamping cylinder 1 is connected to the fulcrum 1 3 .

[0030] In this embodiment, a plurality of the clamping link assemblies are provided on the turntable 2 .

[0031] In this embodiment, a plurality of the clamping link assemblies are arranged on the top surface of the turntable 2 at equal intervals along the circumference of the turntable 2 .

[0032] In this embodiment, the clamping connecting rod assembly includes a fulcrum 2 4, a connecting rod 5, a fulcrum 3 6, a rocker arm 1 7 and a fulcrum 4 8;

[0033] The fulcrum 2 4 is rotatably connected to the top surface of the turntable 2, one end of the connecting rod 5 is connected to the fulcrum 2 4, the fulcrum 3 6 is rotatably connected to the other end of the connecting rod 5, the fulcrum 4 8 is rotatably connected to the top side of the flange cover 11, the rocker arm 1 7 is connected to the fulcrum 4 8 and rotates with the fulcrum 4 8 as the support point, one end of the rocker arm 1 7 is connected to the fulcrum 3 6, and the wedge-shaped pressure block 9 is fixed to the other end of the rocker arm 1 7.

[0034] In this embodiment, if Figure 1 As shown, the cover opening assembly includes a cover opening shaft 14, a cover opening cylinder 12, a fulcrum 5 15 and a rocker arm 2 13;

[0035] The cover opening shaft 14 is fixed to the rotating side of the flange cover 11, the fulcrum five 15 is rotatably connected to the force arm of the cover opening cylinder 12, the end of the cover opening cylinder 12 away from its force arm is rotatably connected to a fulcrum six 16, one end of the rocker arm two 13 is connected to the fulcrum five 15, and the other end of the rocker arm two 13 is fixedly connected to the cover opening shaft 14.

[0036] The working principle of this embodiment is as follows:

[0037] When opening the cover, the force arm of the clamping cylinder 1 retracts, and drives the turntable 2 to make a circular motion through the fulcrum 1 3. The turntable 2 drives the connecting rod 5 to move through the fulcrum 2 4. The connecting rod 5 drives the rocking arm 1 7 to rotate around the fulcrum 4 8 through the fulcrum 3 6. Figure 3 As shown, the wedge-shaped pressure block 9 on the rocker arm 1 7 is separated from the flange 10 and the flange cover 11, and the force arm of the cover opening cylinder 12 is extended, driving the rocker arm 2 13 to rotate through the fulcrum 5 15, and the cover opening shaft 14 connected to the rocker arm 2 13 drives the flange cover 11 to rotate, and the flange cover is opened.

[0038] When closing the cover, the arm of the cover opening cylinder 12 retracts, and drives the rocker arm 2 13 to rotate through the fulcrum 5 15. The cover opening shaft 14 connected to the rocker arm 2 13 drives the flange cover 11 to rotate, and the flange cover is closed. The arm of the clamping cylinder 1 extends, and drives the turntable 2 to make a circular motion through the fulcrum 1 3. The turntable 2 drives the connecting rod 5 to move through the fulcrum 2 4. The connecting rod 5 drives the rocker arm 1 7 to rotate around the fulcrum 4 8 through the fulcrum 3 6. Figure 2 and Figure 4 As shown, the wedge-shaped pressure block 9 on the rocker arm 7 is combined with the flange 10 and the flange cover 11 to press the flange 10 and the flange cover 11. When pressing, the connecting rod 5 and the center point of the turntable 2 are in line to form a dead point. After being pressed, the wedge-shaped pressure block 9 is self-locking and not easy to loosen.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A quick cover opening structure for a micro-pressure device, characterized in that: It includes a flange, a flange cover, a wedge-shaped pressure block, a turntable, a turntable drive assembly, a clamping connecting rod assembly and a cover opening assembly; One side of the flange cover is rotatably connected to one side of the flange, the turntable is rotatably connected to the center of the top surface of the flange cover, the turntable drive assembly drives the turntable to rotate in different directions, the turntable is connected to the wedge-shaped pressure block through a clamping connecting rod assembly, and the clamping connecting rod assembly can drive the wedge-shaped pressure block to clamp or disengage the side of the flange and the flange cover based on the rotation direction of the turntable, and the cover opening assembly is used to drive one side of the flange cover to rotate around one side of the flange as the axis.

2. The quick opening cover structure of the micro-pressure device according to claim 1, characterized in that: The turntable drive assembly includes a clamping cylinder and a fulcrum 1; The clamping oil cylinder is fixed on the flange cover, the fulcrum one is rotatably connected to the top surface of the turntable, and the force arm of the clamping oil cylinder is connected to the fulcrum one.

3. The quick opening cover structure of the micro-pressure device according to claim 1, characterized in that: A plurality of the clamping link assemblies are arranged on the rotating disk.

4. The quick opening cover structure of the micro-pressure device according to claim 3, characterized in that: A plurality of the clamping link assemblies are arranged on the top surface of the rotating disk at equal intervals along the circumference of the rotating disk.

5. The quick opening cover structure of the micro-pressure device according to claim 1, characterized in that: The clamping connecting rod assembly includes a fulcrum 2, a connecting rod, a fulcrum 3, a rocker arm 1 and a fulcrum 4; The fulcrum 2 is rotatably connected to the top surface of the turntable, one end of the connecting rod is connected to the fulcrum 2, the fulcrum 3 is rotatably connected to the other end of the connecting rod, the fulcrum 4 is rotatably connected to the top side of the flange cover, the rocker arm 1 is connected to the fulcrum 4 and rotates with the fulcrum 4 as the supporting point, one end of the rocker arm 1 is connected to the fulcrum 3, and the wedge-shaped pressure block is fixed to the other end of the rocker arm 1.

6. The quick opening cover structure of the micro-pressure device according to claim 1, characterized in that: The cover opening assembly comprises a cover opening rotating shaft, a cover opening oil cylinder, a fulcrum five and a rocker arm two; The cover opening shaft is fixed to the rotating side of the flange cover, the fulcrum five is rotatably connected to the force arm of the cover opening cylinder, one end of the rocker arm two is connected to the fulcrum five, and the other end of the rocker arm two is fixedly connected to the cover opening shaft.

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