CN114206088A

CN114206088A - Over-and-under type 5G rack

Info

Publication number: CN114206088A
Application number: CN202210156944.2A
Authority: CN
Inventors: 杨锐
Original assignee: Nantong Yangtian Electronic Machinery Co ltd
Current assignee: Nantong Yangtian Electronic Machinery Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-03-18
Anticipated expiration: 2042-02-21
Also published as: CN114206088B

Abstract

The invention discloses a lifting type 5G cabinet, which relates to the technical field of cabinets and comprises a rack, wherein the top end of the rack is fixedly connected with support frames, shielding cloth used for shielding rainwater is arranged between the support frames, a case is arranged on the rack in a sliding manner, and a water storage device is fixedly arranged at the top of the rack; the supporting frame is provided with four spherical combined parts which are combined into a sphere so as to enable the case to be positioned in the sphere; wherein, the two spherical combined parts are fixedly provided with an air cooling assembly, and the other two spherical combined parts are respectively provided with a cleaning assembly and a water cooling assembly; the cleaning assembly is used for cleaning dust accumulated on the radiating holes of the case, and the water cooling assembly is used for cooling the case; the invention solves the technical problem of imperfect protection of the existing 5G case installed in the external environment, can effectively cool the case and ensure normal work.

Description

Over-and-under type 5G rack

Technical Field

The invention relates to the technical field of cabinets, in particular to a lifting type 5G cabinet.

Background

Under the background of the vigorous development of computer networks, the communication industry in China is remarkably developed and grown, and the traditional 2G is developed into 3G, and the 4G which is generally applied in the society at present belongs to a zigzag rising process. The future 5G technology will become the inevitable trend of communication industry development, and can fully guarantee the high speed and stability of communication, greatly improve the network service function and fully meet the use requirements of the masses. Present rack is generally installed in the open air, and environmental change can produce very big influence to the rack, for example, the wind gap that husky weather easily leads to the rack blocks up, and high temperature weather easily leads to the inside overheated of rack by solar direct radiation, influences the inner member life-span, and rainwater weather easily leads to inside silt infiltrates the rack, promotes the fault rate, consequently needs a kind of ability to confront outdoor environment's rack urgently.

The chinese utility model patent that publication number is CN212644115U discloses a 5G rack operating system, and this utility model provides a 5G rack operating system can guarantee when the rack normally works, reduces the influence of environment to the rack and saves the usable space in ground. However, the patent does not solve the technical problem that the cabinet can be effectively protected in different environments.

Disclosure of Invention

Aiming at the technical problems, the invention provides a lifting type 5G cabinet, which solves the technical problem that the protection of the existing 5G cabinet installed in the external environment is incomplete, can effectively cool the cabinet and ensures normal work.

The technical scheme adopted by the invention is as follows: a lifting type 5G cabinet comprises a rack, wherein the top end of the rack is fixedly connected with support frames, shielding cloth used for shielding rainwater is arranged between the support frames, a cabinet is arranged on the rack in a sliding manner, and a water storage device is fixedly arranged at the top of the rack; the top end of the case is fixedly provided with a detection assembly for detecting water level, the bottom end of the case is fixedly provided with a driving part, the supporting frame is provided with four spherical combined parts, and the four spherical combined parts are combined into a sphere so that the case is positioned in the sphere; wherein, the two spherical combined parts are fixedly provided with an air cooling assembly, and the other two spherical combined parts are respectively provided with a cleaning assembly and a water cooling assembly; the cleaning assembly is used for cleaning dust accumulated on the radiating holes of the case, and the water cooling assembly is used for cooling the case; the spherical combined component is arranged on the supporting frame in a sliding mode and comprises spherical shells, the cleaning assembly is rotatably arranged on one spherical shell, the water cooling assembly is arranged on the other spherical shell in a sliding mode, and the cleaning assembly and the water cooling assembly are respectively driven by a driving component at the bottom end of the case; the water-cooling component is rotatably provided with a water-cooling roller, the outer surface of the water-cooling roller is provided with a heat conduction material which is convenient for heat conduction, the water-cooling roller is hollow, and two ends of the water-cooling roller are respectively communicated with the water storage device.

Furthermore, the bottom end of the case is fixedly connected with a lifting frame, the lifting frame is slidably mounted on the frame, the driving part comprises a fixed gear disc, the fixed gear disc is fixedly connected with the lifting frame, and a driving gear ring is rotatably mounted on the fixed gear disc.

Further, water storage device includes a water storage section of thick bamboo, and the bottom intercommunication of a water storage section of thick bamboo has logical water tank, and the bottom that leads to the water tank is through two water service pipes respectively with the both ends intercommunication of water-cooled drum, and detection element runs through logical water tank and is located a water storage section of thick bamboo, and it is provided with drive assembly to rotate on the logical water tank, and drive assembly drives spherical modular unit.

Furthermore, the detection assembly comprises a detection connecting rod, one end of the detection connecting rod is fixedly connected with the case, a detection spring is fixedly arranged at the other end of the detection connecting rod, and a suspension bag is fixedly arranged at the movable end of the detection spring.

Further, spherical built-up member includes the carriage, the lead screw is removed to the one end fixedly connected with of carriage, drive assembly includes belt transmission structure, belt transmission structure is rotatory to be set up on the support frame, it constitutes the spiral pair with belt transmission structure to remove the lead screw, the spherical shell is rotatory to be installed on the carriage, slidable mounting has the elasticity slide on the carriage, rotatory mounting has the spherical shell connecting rod on the elasticity slide, the one end and the spherical shell swivelling joint of spherical shell connecting rod, fixedly connected with supports the feeler lever on the support frame, be provided with the slide spring that is used for providing elasticity between elasticity slide and the carriage.

Furthermore, the water cooling component comprises a water cooling slide seat, the water cooling slide seat is slidably mounted on the spherical shell, a water cooling control screw rod is rotatably mounted on the spherical shell, a second connecting cylinder is fixedly mounted at one end of the water cooling control screw rod, a second control gear is fixedly connected to a piston rod of the second connecting cylinder, and the water cooling slide seat and the water cooling control screw rod form a screw pair.

Furthermore, a roller frame is slidably mounted on the water-cooling sliding seat, the water-cooling roller is rotatably mounted on the roller frame, and a roller spring for providing elasticity is arranged at the joint of the roller frame and the water-cooling sliding seat.

Further, the clearance subassembly includes the control cylinder, and the control cylinder is rotatory to be installed on the spherical shell, fixedly connected with brush-holder stud on the piston rod of control cylinder, fixedly connected with flabellum on the control cylinder, one of control cylinder serves fixedly connected with cylinder gear, the rotatory gear shaft that is installed on the spherical shell, one of gear shaft orientation control cylinder serves fixedly connected with drive gear, drive gear and cylinder gear meshing, the other end fixedly connected with of gear shaft connects cylinder one, fixedly connected with control gear one on the piston rod of connection cylinder one.

Compared with the prior art, the invention has the beneficial effects that: (1) when the heat dissipation holes of the case are blocked by sand dust, the heat dissipation effect is poor, and the reason for overhigh temperature of the case is also caused, and the heat dissipation holes of the case can be cleaned through the cleaning assembly; (2) the cooling device cools the case through the water cooling assembly, and the surface of the water cooling roller is provided with the heat conduction material, so that heat is transferred conveniently; (3) according to the invention, the water storage device can be used for storing water sources, so that water sources are provided for water cooling operation, rainwater can be collected, and natural resources are effectively utilized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of a driving assembly of the water tank of the present invention.

Fig. 3 is a schematic structural diagram of the spherical combined component of the invention.

FIG. 4 is a schematic view of a cleaning assembly according to the present invention.

FIG. 5 is a schematic view of a water cooling module according to the present invention.

FIG. 6 is a schematic view of the air-cooled assembly according to the present invention.

Reference numerals: 101-a frame; 102-a screw motor; 103-a lifting frame; 104-a screw rod; 105-a drive ring gear; 106-fixed gear disk; 107-driving the gear one; 108-a first drive motor; 109-a chassis; 110-detection connecting rod; 111-water pump; 112-a water storage cylinder; 113-a support frame; 114-a shade cloth; 115-a detection spring; 116-a suspension balloon; 117-shaft; 118-a water through tank; 119-driving gear II; 120-driving motor two; 121-a transmission gear ring; 122-spindle gear; 123-a delivery pump; 124-a first belt wheel; 125-a drive belt; 126-moving the screw; 127-pulley two; 128-spherical shell; 129-spherical shell connecting rod; 130-a carriage; 131-an elastic sliding seat; 132-a carriage spring; 133-a feeler lever; 134-brush bar; 135-fan blades; 136-a control cylinder; 137-cylinder gear; 138-drive gear; 139-gear shaft; 140-connecting the first cylinder; 141-control gear one; 142-water pipe; 143-water cooling control screw rod; 144-water-cooled roller; 145-roller spring; 146-a water-cooled slide; 147-connecting a second cylinder; 148-control gear two; 149-roller frame; 150-a fan motor; 151-wind shield; 152-air-cooled blades.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment examples are shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6: the utility model provides a lift-type 5G rack, which comprises a frame 101, the top fixedly connected with support frame 113 of frame 101, be provided with the cloth 114 that shelters from that is used for sheltering from the rainwater between the support frame 113, it is provided with quick-witted case 109 to slide on the frame 101, the fixed water storage device that is provided with in frame 101 top, water storage device includes a water storage section of thick bamboo 112, the bottom intercommunication of a water storage section of thick bamboo 112 has logical water tank 118, the bottom fixed mounting of logical water tank 118 has delivery pump 123, delivery pump 123 passes through water service pipe 142 intercommunication with the one end of water-cooling cylinder 144, the fixed water pump 111 that is provided with in top of frame 101, the one end and the water storage section of thick bamboo 112 intercommunication of water pump 111.

The top of the case 109 is fixedly provided with a detection component for detecting water level, the detection component penetrates through the water tank 118 and is located in the water storage cylinder 112, the detection component comprises a detection connecting rod 110, one end of the detection connecting rod 110 is fixedly connected with the case 109, the other end of the detection connecting rod 110 is fixedly provided with a detection spring 115, and the movable end of the detection spring 115 is fixedly provided with a suspension bag 116.

The bottom end of the case 109 is fixedly provided with a driving part, the bottom end of the case 109 is fixedly connected with the lifting frame 103, the lifting frame 103 is slidably mounted on the rack 101, the driving part comprises a fixed gear disc 106, the fixed gear disc 106 is fixedly connected with the lifting frame 103, a driving gear ring 105 is rotatably mounted on the fixed gear disc 106, a first driving motor 108 is fixedly mounted on the driving gear ring 105, a first driving gear 107 is fixedly mounted on an output shaft of the first driving motor 108, the first driving gear 107 is meshed with the fixed gear disc 106, a screw rod 104 is rotatably mounted on the rack 101, a screw rod motor 102 is fixedly mounted on the rack 101, an output shaft of the screw rod motor 102 is fixedly connected with the screw rod 104, and the lifting frame 103 and the screw rod 104 form a screw pair.

Four spherical combined components are arranged on the support frame 113, are slidably mounted on the support frame 113 and are combined into a sphere, so that the case 109 is positioned in the sphere; the water communicating tank 118 is rotatably provided with a driving assembly, and the driving assembly drives the spherical combined component; spherical built-up member includes carriage 130, the one end fixedly connected with of carriage 130 removes lead screw 126, drive assembly includes pivot 117, the both ends of pivot 117 are rotatory respectively and are installed on logical water tank 118 and support frame 113, the one end fixedly connected with pivot gear 122 of pivot 117, it has drive ring gear 121 to lead to rotate to install on water tank 118, drive ring gear 121 and pivot gear 122 meshing, fixed mounting has two drive motor 120 on the drive ring gear 121, fixedly connected with drive gear two 119 on two drive motor 120's the output shaft, lead to fixedly being provided with the ring gear on the water tank 118, the ring gear meshes with two drive gear 119.

The other end of the rotating shaft 117 is provided with a belt transmission structure, the belt transmission structure comprises a first belt wheel 124, a transmission belt 125 and a second belt wheel 127, the second belt wheel 127 is rotatably arranged on the support frame 113, the first belt wheel 124 is fixedly connected with the rotating shaft 117, the first belt wheel 124 is connected with the second belt wheel 127 through the transmission belt 125, and the second belt wheel 127 and the movable screw rod 126 form a screw pair; an elastic sliding seat 131 is slidably mounted on the sliding frame 130, the spherical shell 128 is rotatably mounted on the sliding frame 130, a spherical shell connecting rod 129 is rotatably mounted on the elastic sliding seat 131, one end of the spherical shell connecting rod 129 is rotatably connected with the spherical shell 128, a contact rod 133 is fixedly connected on the supporting frame 113, and a sliding seat spring 132 for providing elastic force is arranged between the elastic sliding seat 131 and the sliding frame 130.

The two spherical combined components are fixedly provided with an air cooling assembly, the air cooling assembly comprises an air cover 151, the air cover 151 is fixedly installed on the spherical shell 128, a fan motor 150 is fixedly installed on the air cover 151, and an output shaft of the fan motor 150 is fixedly connected with an air cooling blade 152.

The other two spherical combined parts are respectively provided with a cleaning component and a water cooling component; the cleaning assembly is used for cleaning dust accumulated on the radiating holes of the chassis 109, and the water cooling assembly is used for cooling the chassis 109;

the cleaning assembly is rotatably arranged on one of the spherical shells 128, the water cooling assembly is slidably arranged on the other spherical shell 128, and the cleaning assembly and the water cooling assembly are respectively driven by a driving part at the bottom end of the case 109.

The water cooling assembly comprises a water cooling slide seat 146, the water cooling slide seat 146 is slidably mounted on the spherical shell 128, a water cooling control screw rod 143 is rotatably mounted on the spherical shell 128, one end of the water cooling control screw rod 143 is fixedly provided with a connecting air cylinder II 147, a piston rod of the connecting air cylinder II 147 is fixedly connected with a control gear II 148, and the water cooling slide seat 146 and the water cooling control screw rod 143 form a screw pair; a roller frame 149 is slidably mounted on the water-cooling sliding seat 146, the water-cooling roller 144 is rotatably mounted on the roller frame 149, and a roller spring 145 for providing elasticity is arranged at the joint of the roller frame 149 and the water-cooling sliding seat 146; the outer surface of the water-cooling roller 144 is provided with a heat conductive material for conducting heat, the water-cooling roller 144 is hollow, and both ends of the water-cooling roller are respectively communicated with the bottom of the water communicating tank 118 through the water communicating pipe 142.

The cleaning assembly comprises a control cylinder 136, the control cylinder 136 is rotatably installed on the spherical shell 128, a brush rod 134 is fixedly connected to a piston rod of the control cylinder 136, fan blades 135 are fixedly connected to the control cylinder 136, a cylinder gear 137 is fixedly connected to one end of the control cylinder 136, a gear shaft 139 is rotatably installed on the spherical shell 128, a transmission gear 138 is fixedly connected to one end, facing the control cylinder 136, of the gear shaft 139, the transmission gear 138 is meshed with the cylinder gear 137, the other end of the gear shaft 139 is fixedly connected with a first connecting cylinder 140, and a control gear 141 is fixedly connected to a piston rod of the first connecting cylinder 140.

In carrying out the invention:

when the chassis 109 is located below the four spherical combined components, manual debugging and repairing of the chassis 109 are facilitated, meanwhile, the air cooling assemblies on the two spherical combined components have a heat dissipation effect on the chassis 109, when the four spherical combined components are not combined, the abutting rod 133 acts on the elastic sliding seat 131, the elastic sliding seat 131 is located at a preset position, under the action of the spherical shell connecting rod 129, the spherical shell 128 tilts, and further the air cooling assemblies can dissipate heat of the chassis 109, when the abutting rod 133 acts on the elastic sliding seat 131, the sliding seat spring 132 has elastic force, when the four spherical combined components are combined, namely the spherical combined components move, the elastic sliding seat 131 is far away from the abutting rod 133, at the moment, the elastic force of the sliding seat spring 132 enables the elastic sliding seat 131 to move relative to the sliding seat 130, so that the spherical shell 128 does not tilt any more, and subsequent combination is facilitated.

When the temperature of the chassis 109 is too high and the heat dissipation function of the air cooling assembly cannot meet the cooling requirement, the screw rod 104 is driven by the screw rod motor 102, so that the lifting frame 103 moves, the chassis 109 rises to the space between the four spherical combined components, then the driving gear II 119 is driven by the driving motor II 120, the transmission gear ring 121 rotates under the gear meshing, the transmission gear ring 121 is meshed with the rotating shaft gear 122, the rotating shaft gear 122 and the rotating shaft 117 rotate, the belt wheel II 127 rotates under the belt transmission, the movable screw rod 126 moves, the four spherical combined components are combined to form a sphere, and the chassis 109 is located inside the sphere.

It should be noted that the shielding cloth 114 can shield rainwater, and plays a role in protection in rainy days, meanwhile, the water storage cylinder 112 can collect rainwater in rainy days to provide a water source for water cooling, the detection component on the case 109 can detect the water level, the detection component can change the elastic force of the detection spring 115 through the buoyancy action of water on the suspension bag 116, a force sensor is arranged at the joint of the detection connecting rod 110 and the detection spring 115 to detect the force change of the detection spring 115, and further detect the water level, before the case 109 rises, the water level height is detected, whether the water cooling condition exists or not, no water exists in the water storage cylinder 112, and water can also be sent from the outside through the water pump 111, and the water storage cylinder 112 not only stores external water, but also can store rainwater, and effectively utilizes natural resources.

When the chassis 109 is in the sphere, at this time, the driving part at the bottom end of the chassis 109 can drive the water cooling assembly and the cleaning assembly, that is, the driving gear ring 105 is respectively engaged with the first control gear 141 and the second control gear 148, the driving gear ring 105 and the first driving motor 108 drive the first driving gear 107, and the driving gear ring 105 rotates under the gear engagement, so that the first control gear 141 and the second control gear 148 rotate.

When carrying out the water-cooling, water-cooling cylinder 144 contacts with quick-witted case 109 under drum spring 145's elasticity, water-cooling control lead screw 143 rotates, water-cooling slide 146 removes, realize that water-cooling cylinder 144 rolls on quick-witted case 109, water service pipe 142 and water storage device intercommunication are passed through to water-cooling cylinder 144's both ends, and then the effect through delivery pump 123, make the water of storage form the water route from between water storage device and water-cooling cylinder 144, and water-cooling cylinder 144 surface has the heat conduction material, be favorable to the heat conduction, and then the better heat of taking away of mobile hydroenergy, reach the cooling effect.

It should be noted that, when the heat dissipation hole of the chassis 109 is blocked by the dust, the heat dissipation effect is poor, and the reason for the over-high temperature of the chassis 109 is also caused, therefore, when the heat dissipation hole of the chassis 109 is cleaned, the distance between the brush rod 134 and the chassis 109 is controlled by the control cylinder 136, when the control gear one 141 is driven, under the gear engagement, the control cylinder 136 drives the fan blade 135 and the brush rod 134 to rotate together, the brush rod 134 cleans the heat dissipation hole, and the fan blade 135 has a dust collection function.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lift-type 5G rack, includes frame (101), the top fixedly connected with support frame (113) of frame (101), is provided with between support frame (113) and shelters from cloth (114) that are used for sheltering from the rainwater, and frame (101) are gone up and are slided and are provided with quick-witted case (109), and frame (101) top is fixed and is provided with water storage equipment, its characterized in that:

a detection assembly for detecting the water level is fixedly arranged at the top end of the case (109), a driving part is fixedly arranged at the bottom end of the case (109), four spherical combined parts are arranged on the supporting frame (113), and the four spherical combined parts are combined into a sphere so that the case (109) is positioned in the sphere;

wherein, the two spherical combined parts are fixedly provided with an air cooling assembly, and the other two spherical combined parts are respectively provided with a cleaning assembly and a water cooling assembly; the cleaning assembly is used for cleaning dust accumulated on the radiating holes of the case (109), and the water cooling assembly is used for cooling the case (109);

the spherical combined component is slidably mounted on the support frame (113), the spherical combined component comprises spherical shells (128), the cleaning assembly is rotatably arranged on one spherical shell (128), the water cooling assembly is slidably arranged on the other spherical shell (128), and the cleaning assembly and the water cooling assembly are respectively driven by a driving part at the bottom end of the case (109);

the water-cooling component is rotatably provided with a water-cooling roller (144), the outer surface of the water-cooling roller (144) is provided with a heat conduction material which is convenient for heat conduction, the water-cooling roller (144) is hollow, and two ends of the water-cooling roller are respectively communicated with the water storage device.

2. The cabinet of claim 1, wherein: the bottom end of the case (109) is fixedly connected with a lifting frame (103), the lifting frame (103) is slidably mounted on the rack (101), the driving part comprises a fixed gear disc (106), the fixed gear disc (106) is fixedly connected with the lifting frame (103), and a driving gear ring (105) is rotatably mounted on the fixed gear disc (106).

3. The cabinet of claim 1, wherein: the water storage device comprises a water storage barrel (112), a water communicating tank (118) is communicated with the bottom end of the water storage barrel (112), the bottom end of the water communicating tank (118) is communicated with the two ends of a water cooling roller (144) through two water communicating pipes (142), a detection assembly penetrates through the water communicating tank (118) and is located in the water storage barrel (112), a driving assembly is arranged on the water communicating tank (118) in a rotating mode, and the driving assembly drives a spherical combined component.

4. The cabinet of claim 1, wherein: the detection assembly comprises a detection connecting rod (110), one end of the detection connecting rod (110) is fixedly connected with the case (109), the other end of the detection connecting rod (110) is fixedly provided with a detection spring (115), and the movable end of the detection spring (115) is fixedly provided with a suspension bag (116).

5. The cabinet of claim 3, wherein: spherical built-up member includes carriage (130), the one end fixedly connected with of carriage (130) removes lead screw (126), drive assembly includes belt drive structure, belt drive structure is rotatory to be set up on support frame (113), it constitutes the screw pair with belt drive structure to remove lead screw (126), spherical shell (128) are rotatory to be installed on carriage (130), slidable mounting has elasticity slide (131) on carriage (130), rotatory spherical shell connecting rod (129) of installing on elasticity slide (131), the one end and spherical shell (128) swivelling joint of spherical shell connecting rod (129), fixedly connected with supports feeler lever (133) on support frame (113), be provided with between elasticity slide (131) and carriage (130) and be used for providing slide spring (132) of elasticity.

6. The cabinet of claim 1, wherein: the water cooling assembly comprises a water cooling sliding seat (146), the water cooling sliding seat (146) is slidably mounted on the spherical shell (128), a water cooling control screw rod (143) is rotatably mounted on the spherical shell (128), a second connecting cylinder (147) is fixedly mounted at one end of the water cooling control screw rod (143), a second control gear (148) is fixedly connected onto a piston rod of the second connecting cylinder (147), and the water cooling sliding seat (146) and the water cooling control screw rod (143) form a spiral pair.

7. The cabinet of claim 6, wherein: the water-cooling roller device is characterized in that a roller frame (149) is slidably mounted on the water-cooling sliding seat (146), the water-cooling roller (144) is rotatably mounted on the roller frame (149), and a roller spring (145) for providing elastic force is arranged at the joint of the roller frame (149) and the water-cooling sliding seat (146).

8. The cabinet of claim 1, wherein: the clearance subassembly includes control cylinder (136), control cylinder (136) are rotatory to be installed on spherical shell (128), fixedly connected with brush-holder stud (134) on the piston rod of control cylinder (136), fixedly connected with flabellum (135) on control cylinder (136), fixedly connected with cylinder gear (137) are served to one of control cylinder (136), rotating installation has gear shaft (139) on spherical shell (128), one of gear shaft (139) towards control cylinder (136) serves fixedly connected with drive gear (138), drive gear (138) and cylinder gear (137) meshing, the other end fixedly connected with of gear shaft (139) connects cylinder (140), fixedly connected with control gear (141) on the piston rod of connecting cylinder (140).