CN113491964A

CN113491964A - Oil gas development viscosity reducer mixes even filling device

Info

Publication number: CN113491964A
Application number: CN202110876738.4A
Authority: CN
Inventors: 罗欣
Original assignee: Individual
Current assignee: Shandong Binzhou Yu Cheng Chemical Technology Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2021-10-12
Anticipated expiration: 2041-07-31
Also published as: CN113491964B

Abstract

The invention relates to the field of viscosity reducers, in particular to a mixing and uniformly filling device for a viscosity reducer for oil and gas development, which comprises a bracket, a servo motor, a rotary lifting assembly, a viscosity reducing solution supplementing assembly and the like; the other supporting equipment is connected with a support, a servo motor is arranged on the support, a rotary lifting assembly is arranged on the support, and a viscosity reduction solution supplementing assembly is arranged on the rotary lifting assembly. Through the stirring rod, the stirring rod can stir the thick crude oil in the stratum to make the visbreaker that fills in the thick crude oil in the stratum mix with thick crude oil fully, and then promote the reduction of the consistency of crude oil in the stratum, reached and can stir the effect in order to promote its reduction of consistency to thick crude oil in the stratum fully.

Description

Oil gas development viscosity reducer mixes even filling device

Technical Field

The invention relates to the field of viscosity reducers, in particular to a mixing and uniformly filling device for an oil and gas development viscosity reducer.

Background

The quantity of original organic matters on the crust is large, the varieties are various, the structure is complex, oil and gas resources are naturally generated resources on the crust or the earth surface, oil and gas development refers to economic activities of capacity construction and oil and gas production for an explored oil and gas field, and a rotational flow mixer is generally required to be used for performing rotary drilling stirring on the oil and gas field in the oil and gas development process, so that oil and gas can be conveniently exploited.

Because the crude oil viscosity in the stratum is great, consequently need add the thinner in the crude oil in the stratum earlier in the oil gas exploitation in-process to this reduces oil-water interfacial tension, thereby make the viscosity of crude oil descend, and then be convenient for exploit, current device can't be when carrying out work pour into the thinner into the crude oil in the stratum, need make equipment stop the operation and add the thinner again, and the operation is more troublesome, and is difficult to make the thinner fully mix with the crude oil in the stratum, and work efficiency is low.

Disclosure of Invention

Therefore, in order to solve the above problems, it is necessary to provide a mixing and filling device for oil and gas development viscosity reducer, which can fully fill the viscosity reducer into the crude oil with thick formation to reduce the viscosity thereof, can timely supplement the viscosity reducer for subsequent operations, and can fully stir the crude oil with thick formation to promote the reduction of the viscosity thereof, so as to solve the problems of troublesome operation and difficulty in fully mixing the viscosity reducer with the crude oil in the formation, which are proposed in the background art.

The utility model provides an oil gas development viscosity breaker mixes equal filling device, is including support, servo motor, rotatory lifting unit, viscosity reduction solution supply assembly, fill cutting assembly and rotatory stirring subassembly, the hookup has the support on other supporting equipment, installs servo motor on the support, is equipped with rotatory lifting unit on the support, is equipped with viscosity reduction solution supply assembly on the rotatory lifting unit, is equipped with on the viscosity reduction solution supply assembly to fill cutting assembly, and rotatory stirring subassembly is located on the rotatory lifting unit.

Further, the rotary lifting component comprises a power shaft, a rotary groove ring, a sprocket, a chain wheel, a lifting screw, a lifting groove plate, a rotary ring, a storage cylinder and a rotary long gear, one end of an output shaft of the servo motor is connected with the power shaft, the rotary groove ring is connected to the bracket in a symmetrical and rotary mode, threads are arranged on the inner wall of the rotary groove ring, the sprocket is connected to the rotary groove ring, the sprocket is also connected to the power shaft, the chain wheel is wound between the three sprockets and meshed with the sprocket, the lifting screw is connected to the rotary groove ring in a thread fit mode, the two lifting screws are correspondingly arranged, the lifting groove plate is connected between the two lifting screws, the rotary ring is connected to the lifting groove plate in a rotary mode, annular teeth are arranged on the rotary ring, the storage cylinder is connected to the bottom of the rotary ring, the rotary long gear is connected to the power shaft, the rotating long gear is meshed with the rotating ring.

Further explaining, the viscosity-reducing solution supplementing assembly comprises a placing cylinder, U-shaped plates, floating plates and blocking blocks, wherein the placing cylinder is connected to the bottom of the storage cylinder, the U-shaped plates are symmetrically connected to the bottom of the storage cylinder, the floating plates are connected between the two U-shaped plates in a sliding mode, the blocking blocks are connected to the floating plates in a connecting mode, and the blocking blocks are in contact with the storage cylinder.

Further explaining, the filling and cutting assembly comprises small bearings, a rotating groove drum, cutting strips and one-way valves, wherein four pairs of small bearings are connected to the placing drum in a distributed mode, the small bearings are connected with the rotating groove drum in a rotating mode, the cutting strips are symmetrically connected to the rotating groove drum, and one end of the rotating groove drum is connected with the one-way valves.

Further explaining, the rotary stirring component comprises a connecting frame, an inner gear ring, an arc hollow shell, a rotating shaft and a pinion, the rotary type multi-shaft stirring device comprises a large bevel gear, a transverse rotating shaft, a small bevel gear, a connecting fluted disc and a stirring rod, wherein a connecting frame is connected to a lifting fluted plate, an inner gear ring is connected to the connecting frame, a placing cylinder penetrates through the inner gear ring, an arc-shaped hollow shell is symmetrically connected to the placing cylinder, a rotating shaft is symmetrically and rotatably connected to a storage cylinder, the rotating shaft is rotatably connected with the arc-shaped hollow shell, a small gear is connected to the rotating shaft, the small gear is meshed with the inner gear ring, four large bevel gears are connected to the rotating shaft in a distributed mode, four transverse rotating shafts are connected to the arc-shaped hollow shell in a distributed and rotatably mode, the small bevel gear is connected to the transverse rotating shaft and meshed with the large bevel gear, the connecting fluted disc is movably connected to the transverse rotating shaft, and the stirring rod is connected to one side of the connecting fluted disc.

Further explaining, still including the swing subassembly, the swing subassembly is located on the hollow casing of arc, and the swing subassembly is including fixed flange, swing joint pole, torsion spring and movable rod, and the last distributing type hookup of hollow casing of arc has four fixed flanges, and horizontal axis of rotation passes fixed flange, and the last symmetry rotary type of connection fluted disc is connected with the swing joint pole, and the symmetrical connection has torsion spring between swing joint pole and the connection fluted disc, and swing joint pole one end rotary type is connected with the movable rod, and the movable rod contacts with fixed flange.

The invention has the beneficial effects that:

through the cooperation of rotating a groove section of thick bamboo and device on it, rotate a groove section of thick bamboo and can fully will place the thinner in the section of thick bamboo and fill to viscous crude oil to make the thick crude oil of stratum turn into the emulsification state that uses water as the outer phase from the emulsification state of water-in-oil, and then make the viscosity of crude oil reduce in the stratum, the subsequent exploitation operation of being convenient for has reached and can fully will place the thinner in the section of thick bamboo and fill to the thick crude oil of stratum in order to reduce its effect of viscosity.

Through the cooperation of kickboard and jam piece, when the thinner who places in the section of thick bamboo reduces, the kickboard and device on it then can be downstream under its self action of gravity for the rectangular hole of savings barrel bottom is no longer blockked up to the jam piece, the thinner in the savings barrel then can flow to placing in the section of thick bamboo through the rectangular hole on it, thereby can be in time for placing a section of thick bamboo replenishment thinner, and then make and place and have sufficient thinner in the section of thick bamboo all the time, reached and can be in time for placing a section of thick bamboo replenishment thinner so that the effect of follow-up operation.

Through the stirring rod, the stirring rod can stir the thick crude oil in the stratum to make the visbreaker that fills in the thick crude oil in the stratum mix with thick crude oil fully, and then promote the reduction of the consistency of crude oil in the stratum, reached and can stir the effect in order to promote its reduction of consistency to thick crude oil in the stratum fully.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a first partially assembled body of the rotary lifting assembly of the present invention.

Fig. 3 is a schematic view of a second partially assembled body of the rotary lifting assembly of the present invention.

Fig. 4 is a partially disassembled perspective view of the rotary lifting assembly of the present invention.

Fig. 5 is a schematic perspective view of a cut-away of the present stuffing and cutting assembly.

FIG. 6 is a schematic view of a first partial body configuration of a rotary agitation assembly of the present invention.

FIG. 7 is a schematic view of a second partial body configuration of a rotary agitation assembly of the present invention.

Fig. 8 is an enlarged perspective view of the present invention a.

In the above drawings: 1: a bracket, 2: servo motor, 3: rotary lifting assembly, 31: power shaft, 32: rotating groove ring, 33: sprocket, 34: chain wheel, 35: elevating screw, 36: lifting groove plate, 37: rotating ring, 38: reservoir cartridge, 39: rotating long gear, 4: viscosity-reducing solution replenishing assembly, 41: placement cylinder, 42: u-shaped plate, 43: floating plate, 44: plugging block, 5: filling and cutting assembly, 51: small bearing, 52: rotating grooved drum, 53: cutting bar, 54: one-way valve, 6: rotary agitation assembly, 61: connecting frame, 62: ring gear, 63: arc-shaped hollow shell, 64: rotation shaft, 65: pinion, 66: large bevel gear, 67: transverse axis of rotation, 68: bevel pinion, 69: connecting groove disk, 610: stirring rod, 7: swing assembly, 71: fixed cam, 72: movable connecting rod, 73: torsion spring, 74: a movable rod.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A viscosity reducer mixing and filling device for oil and gas development is shown in figures 1-8 and comprises a bracket 1, a servo motor 2, a rotary lifting component 3, a viscosity reducing solution supplementing component 4, a filling cutting component 5 and a rotary stirring component 6, other support equipment are connected with support 1, install servo motor 2 on the support 1, servo motor 2 is used for driving power shaft 31 and the device rotation on it, be equipped with rotatory lifting unit 3 on the support 1, be equipped with viscosity reduction solution on the rotatory lifting unit 3 and supply subassembly 4, viscosity reduction solution supplies subassembly 4 and is used for filling the viscosity reducer who places in the section of thick bamboo 41 to the thick crude oil of stratum in order to reduce its viscosity, be equipped with on the viscosity reduction solution supplies subassembly 4 and fills cutting component 5, rotatory stirring subassembly 6 is located on rotatory lifting unit 3, rotatory stirring subassembly 6 is used for stirring thick crude oil in the stratum fully in order to promote its viscosity to reduce.

The rotary lifting component 3 comprises a power shaft 31, a rotary groove ring 32, a chain gear 33, a chain wheel 34, a lifting screw 35, a lifting groove plate 36, a rotary ring 37, a storage cylinder 38 and a rotary long gear 39, one end of an output shaft of the servo motor 2 is connected with the power shaft 31, the rotary groove ring 32 is symmetrically and rotatably connected on the bracket 1, threads are arranged on the inner wall of the rotary groove ring 32, the chain gear 33 is connected on the rotary groove ring 32, the chain gear 33 is also connected on the power shaft 31, the chain wheels 34 are wound between the three chain gears 33 together, the chain wheels 34 are meshed with the chain gears 33, the chain gear 33 on the power shaft 31 is used for driving the chain gear 33 on the rotary groove ring 32 and an upper device to rotate through the chain wheel 34, the lifting screw 35 is connected on the rotary groove ring 32 in a thread matching mode, and the lifting screw 35 can be driven to move downwards through the matching of the rotary groove ring 32 and the lifting screw 35, the two lifting screws 35 are correspondingly arranged, a lifting groove plate 36 is jointly connected between the two lifting screws 35, a rotating ring 37 is rotatably connected on the lifting groove plate 36, annular teeth are arranged on the rotating ring 37, a storage cylinder 38 is connected at the bottom of the rotating ring 37, two rectangular holes are arranged at the bottom of the storage cylinder 38, a rotating long gear 39 is connected on the power shaft 31, the rotating long gear 39 is used for driving the rotating ring 37 and an upper device thereof to rotate, and the rotating long gear 39 is meshed with the rotating ring 37.

The viscosity reduction solution supplementing assembly 4 comprises a placing cylinder 41, U-shaped plates 42, a floating plate 43 and a blocking block 44, the placing cylinder 41 is connected to the bottom of the storage cylinder 38, the U-shaped plates 42 are symmetrically connected to the bottom of the storage cylinder 38, the floating plate 43 is connected between the two U-shaped plates 42 in a sliding mode, the blocking block 44 is connected to the floating plate 43, the blocking block 44 is used for blocking a rectangular hole in the bottom of the storage cylinder 38, and the blocking block 44 is in contact with the storage cylinder 38.

The filling and cutting assembly 5 comprises small bearings 51, a rotary groove drum 52, cutting strips 53 and check valves 54, four pairs of small bearings 51 are connected to the placing drum 41 in a distributed mode, the small bearings 51 are connected with the rotary groove drum 52 in a rotary mode, the cutting strips 53 are symmetrically connected to the rotary groove drum 52 in a connecting mode, the rotary groove drum 52 can be prevented from being bent through the cutting strips 53, the check valves 54 are connected to one end of the rotary groove drum 52, and thick crude oil of the stratum can be prevented from flowing into the rotary groove drum 52 through the check valves 54.

The rotary stirring component 6 comprises a connecting frame 61, an inner gear ring 62, an arc-shaped hollow shell 63, a rotating shaft 64, a pinion 65, a large bevel gear 66, a transverse rotating shaft 67, a small bevel gear 68, a connecting fluted disc 69 and a stirring rod 610, wherein the connecting frame 61 is connected on the lifting fluted plate 36, the inner gear ring 62 is connected on the connecting frame 61, the pinion 65 and a device on the pinion 65 can rotate under the action of the inner gear ring 62, the placing cylinder 41 penetrates through the inner gear ring 62, the arc-shaped hollow shell 63 is symmetrically connected on the placing cylinder 41, the rotating shaft 64 is symmetrically and rotatably connected on the storage cylinder 38, the rotating shaft 64 is rotatably connected with the arc-shaped hollow shell 63, the pinion 65 is connected on the rotating shaft 64, the pinion 65 is meshed with the inner gear ring 62, the four large bevel gears 66 are connected on the rotating shaft 64 in a distributed manner, the large bevel gears 66 are used for driving the small bevel gear 68 and the device on the small bevel gear 68 to rotate, the four transverse rotating shafts 67 are rotatably connected on the arc-shaped hollow shell 63, a small bevel gear 68 is connected to the transverse rotating shaft 67, the small bevel gear 68 is meshed with the large bevel gear 66, a connecting groove disc 69 is movably connected to the transverse rotating shaft 67, a stirring rod 610 is connected to one side of the connecting groove disc 69, and the stirring rod 610 is used for stirring thick crude oil in the stratum.

When the viscosity reducer is used, the servo motor 2 is manually controlled to start, so that the power shaft 31 and the device on the power shaft 31 rotate, the chain gear 33 on the power shaft 31 can drive the chain gear 33 on the rotating groove ring 32 and the device on the rotating groove ring to rotate through the chain wheel 34, the lifting screw 35 and the device on the lifting screw 35 move downwards through the matching of the rotating groove ring 32 and the lifting screw 35, and the viscosity reducer is conveniently filled into thick crude oil in the stratum subsequently.

Then the viscosity reducer in the placing cylinder 41 flows outwards to the crude oil with thick stratum through the rotating grooved cylinder 52 and the one-way valve 54, the crude oil with thick stratum can be prevented from flowing into the rotating grooved cylinder 52 through the one-way valve 54, so that the rotating grooved cylinder 52 can be prevented from being blocked, and the normal operation of the equipment can be ensured, in the process of rotating the power shaft 31 and the devices thereon, the rotating long gear 39 can drive the rotating ring 37 and the devices thereon to rotate, meanwhile, the crude oil with thick stratum can drive the rotating grooved cylinder 52 and the devices thereon to rotate, because the crude oil with thick stratum can generate resistance to the rotating grooved cylinder 52, the rotating grooved cylinder 52 can be prevented from being bent through the cutting strip 53, and meanwhile, the rotating grooved cylinder 52 can fully fill the viscosity reducer in the placing cylinder 41 into the crude oil, so that the crude oil with thick stratum is converted from a water-in-oil emulsified state to an emulsified state with water as an external phase, and then the viscosity of the crude oil in the stratum is reduced, thereby facilitating the subsequent mining operation and achieving the effect of fully filling the viscosity reducer in the placing cylinder 41 into the crude oil with the viscous stratum to reduce the viscosity of the crude oil.

In the process of filling the viscosity reducer into thick crude oil in the stratum, the viscosity reducer in the placing cylinder 41 can be reduced, the floating plate 43 and the upper device thereof can move downwards under the action of gravity of the floating plate, so that the blocking block 44 can not block the rectangular hole in the bottom of the storage cylinder 38, the viscosity reducer in the storage cylinder 38 can flow into the placing cylinder 41 through the rectangular hole in the storage cylinder, the viscosity reducer can be supplemented for the placing cylinder 41 in time, further, enough viscosity reducer is always contained in the placing cylinder 41, and the effect of timely supplementing the viscosity reducer for the placing cylinder 41 to facilitate subsequent operation is achieved.

In the process of rotating the rotating ring 37 and the device thereon, under the action of the internal gear ring 62, the pinion 65 and the device thereon can rotate, the large bevel gear 66 can drive the small bevel gear 68 and the device thereon to rotate, so that the stirring rod 610 can stir the viscous crude oil in the stratum, and the viscosity reducer filled in the viscous crude oil in the stratum is fully mixed with the viscous crude oil, thereby promoting the reduction of the viscosity of the crude oil in the stratum, and achieving the effect of fully stirring the viscous crude oil in the stratum to promote the reduction of the viscosity of the viscous crude oil.

Then, the servo motor 2 is manually controlled to enable the power shaft 31 and the device on the power shaft to rotate reversely, and the lifting screw 35 and the device on the lifting screw are reset along with the rotation of the groove ring 32 and the lifting screw 35.

Example 2

On the basis of embodiment 1, as shown in fig. 8, the device further includes a swing assembly 7, the swing assembly 7 is disposed on the arc-shaped hollow housing 63, the swing assembly 7 is used for promoting the viscosity of crude oil in the formation to be reduced, the swing assembly 7 includes a fixed convex disc 71, a movable connecting rod 72, a torsion spring 73 and a movable rod 74, four fixed convex discs 71 are connected to the arc-shaped hollow housing 63 in a distributed manner, the connecting slot disc 69 and the device thereon can be swung by the cooperation of the fixed convex discs 71, the movable connecting rod 72 is connected to the connecting slot disc 69 in a symmetrical and rotating manner, the torsion spring 73 is connected between the movable connecting rod 72 and the connecting slot disc 69, the movable rod 74 can be always in contact with and matched with the fixed convex disc 71 by the cooperation of the torsion spring 73 and the movable connecting rod 72, the movable rod 74 is connected to one end of the movable connecting rod 72 in a rotating manner, the movable lever 74 contacts the fixed cam 71.

In the process of rotating the bevel pinion 68 and the upper device thereof, the connecting groove disk 69 and the upper device thereof can swing in a deflected manner through the matching of the fixed convex disk 71, the movable rod 74 and the upper device thereof, so that the stirring rod 610 can stir thick crude oil in the stratum more sufficiently, the reduction of the viscosity of the crude oil in the stratum is further promoted, the effect of effectively promoting the reduction of the viscosity of the crude oil in the stratum is achieved, meanwhile, the movable rod 74 is always in contact fit with the fixed convex disk 71 through the matching of the torsion spring 73 and the movable connecting rod 72, the movable connecting rod 72 and the upper device thereof can be prevented from being deflected, finally, the servo motor 2 is manually controlled to stop operating, and the viscosity reducer can be added to the crude oil in the stratum again through repeating the operation.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an oil gas development viscosity breaker mixes even filling device which characterized by: the viscosity reduction solution supplementing device comprises a support, a servo motor, a rotary lifting assembly, a viscosity reduction solution supplementing assembly, a filling cutting assembly and a rotary stirring assembly, wherein the support is connected to other supporting equipment in a connecting mode, the servo motor is installed on the support, the rotary lifting assembly is arranged on the support, the viscosity reduction solution supplementing assembly is arranged on the rotary lifting assembly, the filling cutting assembly is arranged on the viscosity reduction solution supplementing assembly, and the rotary stirring assembly is arranged on the rotary lifting assembly.

2. The oil and gas development viscosity reducer mixing and filling device according to claim 1, which is characterized in that: the rotary lifting component comprises a power shaft, a rotary groove ring, a sprocket and a chain wheel, the lifting screw rod, the lifting groove plate, the rotating ring, the storage barrel and the rotating long gear, a power shaft is connected to one end of an output shaft of the servo motor, a rotating groove ring is connected to the support in a symmetrical and rotating mode, threads are arranged on the inner wall of the rotating groove ring, a chain gear is connected to the rotating groove ring in a connecting mode, the chain gear is connected to the power shaft in the same connecting mode, a chain wheel is wound between the three chain gears, the chain wheel is meshed with the chain gear, the lifting screw rod is connected to the rotating groove ring in a threaded matching mode, the two lifting screw rods are arranged correspondingly, the lifting groove plate is connected between the two lifting screw rods in a connecting mode, the rotating ring is connected to the lifting groove plate in a rotating mode, annular teeth are arranged on the rotating ring, the storage barrel is connected to the bottom of the rotating ring, two rectangular holes are formed in the bottom of the storage barrel, the rotating long gear is connected to the power shaft, and the rotating long gear is meshed with the rotating ring.

3. The oil and gas development viscosity reducer mixing and filling device according to claim 2, which is characterized in that: viscosity reduction solution supplyes the subassembly including placing a section of thick bamboo, U-shaped board, kickboard and jam piece, and the savings section of thick bamboo bottom hookup has placed a section of thick bamboo, and savings section of thick bamboo bottom symmetry hookup has the U-shaped board, and common slidingtype connection has the kickboard between two U-shaped boards, and the hookup has the jam piece on the kickboard, blocks up the piece and contacts with the savings section of thick bamboo.

4. The oil and gas development viscosity reducer mixing and filling device according to claim 3, which is characterized in that: the filling and cutting assembly comprises small bearings, a rotating groove drum, cutting strips and one-way valves, wherein the four pairs of small bearings are connected to the placing drum in a distributed mode, the rotating groove drum is connected to the small bearings in a rotating mode, the cutting strips are symmetrically connected to the rotating groove drum, and one end of the rotating groove drum is connected with the one-way valves.

5. The oil and gas development viscosity reducer mixing and filling device according to claim 4, which is characterized in that: the rotary stirring component comprises a connecting frame, an inner gear ring, an arc-shaped hollow shell, a rotating shaft, a pinion, a large bevel gear, a transverse rotating shaft, a small bevel gear, a connecting fluted disc and a stirring rod, wherein the connecting frame is connected to a lifting fluted plate, the inner gear ring is connected to the connecting frame, a placing barrel penetrates through the inner gear ring, the arc-shaped hollow shell is symmetrically connected to the placing barrel, the rotating shaft is symmetrically and rotatably connected to the saving barrel, the rotating shaft is rotatably connected with the arc-shaped hollow shell, the pinion is connected to the rotating shaft and meshed with the inner gear ring, the four large bevel gears are connected to the rotating shaft in a distributed mode, the four transverse rotating shafts are connected to the arc-shaped hollow shell in a distributed and rotatable mode, the small bevel gear is connected to the transverse rotating shaft and meshed with the large bevel gear, the connecting fluted disc is movably connected to the transverse rotating shaft, and the stirring rod is connected to one side of the connecting fluted disc.

6. The oil and gas development viscosity reducer mixing and filling device according to claim 5, which is characterized in that: still including the swing subassembly, on the hollow casing of arc was located to the swing subassembly, the swing subassembly was including fixed flange, swing joint pole, torque spring and movable rod, and the last distributing type hookup of hollow casing of arc has four fixed flanges, and horizontal axis of rotation passes fixed flange, and the last symmetry rotary type of connection groove dish is connected with the swing joint pole, and the symmetric connection has torque spring between swing joint pole and the connection groove dish, and swing joint pole one end rotary type is connected with the movable rod, movable rod and fixed flange contact.