CN113606318A

CN113606318A - Homodromous high moment of torsion gear box

Info

Publication number: CN113606318A
Application number: CN202110742924.9A
Authority: CN
Inventors: 王信辉; 黄强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-11-05

Abstract

The invention relates to the technical field of gear boxes, in particular to a homodromous high-torque gear box which comprises a box body, wherein a gear set is arranged in the box body, two ends of the gear set are respectively connected with an inner shaft, a main gear is arranged at the end parts of the two inner shafts, two sealing bearings are respectively and vertically symmetrically arranged at the two ends of the box body, an outer shaft is movably inserted on each sealing bearing, an auxiliary gear positioned in the box body is arranged at one end of each outer shaft, a fixing frame positioned in the box body is arranged on each outer shaft, and a balancing rod inserted on the fixing frame is connected between the inner wall of the box body and the outer wall of the gear set. The two ends of the gear box are respectively provided with the two outer shafts which are distributed up and down, so that the flexibility of the gear box is improved, the gear box is not easily hindered by other equipment and space, the working state of the outer shafts can be changed through the operating rod, the outer shafts which are not in a use state are prevented from consuming extra power, and the flexibility and the convenience of equipment are further improved.

Description

Homodromous high moment of torsion gear box

Technical Field

The invention relates to the technical field of gear boxes, in particular to a homodromous high-torque gear box.

Background

The gearbox is widely applied, for example, in a wind generating set, and is an important mechanical component widely applied in the wind generating set, and the gearbox mainly has the function of transmitting power generated by a wind wheel under the action of wind power to a generator and enabling the generator to obtain a corresponding rotating speed.

In the prior art (No. CN 103591221 a), a homodromous high-torque gear box includes a housing, the housing is a split structure of an upper box and a lower box, the housing is provided with an input shaft and a transition shaft, the input shaft and the transition shaft are meshed and connected through gears, and the transition shaft is provided with a first displacement helical gear and a second displacement helical gear.

In carrying out the above invention, the inventors found that at least the following problems are not solved:

1. the invention and most gear boxes at the present stage are only provided with one outer shaft at one end, which causes certain inconvenience for the installation and fixing process, and has low flexibility, and in some narrow spaces, the outer shaft of the gear box can not be connected to equipment due to the obstruction of the equipment or the limitation of the space, which is difficult to solve;

2. a large number of gears are distributed in the gear box, speed change and power transmission are achieved by means of transmission among the gears, therefore, the gear box can generate more heat after working for a long time, and the service life of the gear box is easily affected if the gear box cannot be timely cooled.

For this reason, a homodromous high torque gearbox is proposed.

Disclosure of Invention

The invention aims to provide a homodromous high-torque gear box, wherein two outer shafts which are distributed up and down are arranged at two ends of the gear box, so that the flexibility of the gear box is improved when the gear box is connected, the gear box is not easily hindered by other equipment and space, the flexibility and the convenience of the equipment are improved, a cooling pipe is arranged on the outer wall of the gear box to dissipate heat of the gear box, and when the gear box works, turbine blades in a connecting pipe can be driven by an inner shaft to rotate so as to enable water flow to automatically run, so that the heat dissipation efficiency is obviously improved.

In order to achieve the purpose, the invention provides the following technical scheme:

a homodromous high-torque gear box comprises a box body, a gear set is arranged in the box body, inner shafts are connected with two ends of the gear set, a main gear is mounted at the end parts of the two inner shafts, two ends of the box body are respectively provided with two sealing bearings in an up-down symmetrical manner, each sealing bearing is movably inserted with an outer shaft, one end of each outer shaft is provided with an auxiliary gear positioned in the box body, the pinion and the main gear are matched with each other, a fixed mount positioned in the box body is arranged on each outer shaft, and the outer axle rotates the cartridge on the mount, be connected with the balancing pole of inserting and establishing on the mount between the inner wall of box and the outer wall of gear train, be located two of upside all be connected with the action bars that extend to the box upside on the mount, be connected with the linkage frame jointly on two mounts that are located the homonymy, and the linkage frame makes the activity opposite direction of the mount of both sides about.

The position of two outer axles at the adjustable top of control action bars, the drive through the linkage frame makes the position of the outer axle of bottom change, and the linkage frame makes two mounts of homonymy remove opposite direction, and when the outer axle of upside stretched out, the outer axle of downside withdrawed to the pinion of upside and the meshing of master gear, the pinion of downside and master gear break away from the meshing, realized the synchronous switch to the operating condition of two outer axles of same end.

The cooling box is characterized in that heat dissipation grooves are formed in the outer walls of two sides of the box body, cooling pipes are attached to the inner walls of the heat dissipation grooves, two connecting pipes connected with two ends of the cooling pipes are mounted on the inner walls of the heat dissipation grooves, one of the connecting pipes is internally provided with a turbine fan blade, and the turbine fan blade is in transmission connection with the inner shaft through a transmission assembly.

The setting up of radiating groove makes box both sides wall thickness less, is favorable to inside heat in time giving off, and when gear train during operation, interior axle drives the turbine flabellum in the connecting tube rotatory through drive assembly, produces the drive power to rivers, leads to two connecting tubes and can make rivers dispel the heat to the box in the automatic flow in the cooling tube in the aquatic, ensures that the subassembly in the box is under suitable operating temperature, helps improve equipment state, the life of extension equipment. In addition, the inner shaft drives the turbine fan blades to rotate, power equipment such as a water pump does not need to be additionally arranged, water flows when the gear set runs, automatic control over cooling water is achieved, and the device is efficient and convenient.

Preferably, the link frame includes two C shape poles, and the both ends of every C shape pole are equallyd divide and are do not slided and insert and establish on the lateral wall of two mounts of homonymy, all set up the movable groove with C shape pole adaptation on the outer wall of mount both sides, every all be connected with the inserted bar perpendicularly on the lateral wall at C shape pole middle part, the inserted bar rotates to insert and establishes on the inner wall of box.

The linkage frame rotates by taking the middle of the linkage frame as a center, when the top moves leftwards, the bottom moves rightwards, the moving directions of the upper fixing frame and the lower fixing frame are opposite, the end parts of the C-shaped rods slide in the movable grooves on the two sides of the fixing frames, the C-shaped rods and the fixing frames can be flexibly matched, the C-shaped rods and the fixing frames cannot be clamped, the upper fixing frame and the lower fixing frame can be stably and simultaneously moved, and the smoothness of the working of equipment is improved. The linkage frame enables the moving directions of the upper fixing frame and the lower fixing frame to be opposite, synchronous control of the upper outer shaft and the lower outer shaft is achieved, switching of the outer shafts is greatly facilitated, the outer shafts in proper positions can be selected quickly, the retracted outer shafts do not rotate any more, the auxiliary gears on the outer shafts are disengaged from the main gear, and waste of power is reduced.

Preferably, the operating rod includes the handle, the bottom of handle is connected with the flitch, be equipped with the slider on the diapire of flitch, the top fixed connection of slider and mount, set up the spout with the slider adaptation on the roof of box.

The position of upside mount can be controlled through the handle conveniently, and then the operating condition of two outer axles of switching this side, and convenience when convenient operation has improved the use.

Preferably, the both sides of slider all are connected with the seal membrane, the tip fixed connection of seal membrane is on the inner wall of spout, all set up the seal groove with the seal membrane adaptation on the inner wall of spout both sides.

The slider is when removing, and the seal membrane is followed expansion or shrink, prevents in debris or the dust entering box that the seal membrane adopts the collapsible plastic film of difficult wearing and tearing, ensures that it can use for a long time, and its edge is in the seal groove activity when the activity of seal membrane, not only makes the seal membrane can smoothly expand or shrink, has also guaranteed sealed effect simultaneously.

Preferably, the inboard of handle is equipped with the holding rod, the top symmetric connection of holding rod and handle has two spring telescopic links, install the locating lever that runs through the flitch on the diapire of holding rod, set up two sets of locating holes with the locating lever adaptation on the roof of box.

The telescopic spring rod is telescopic and has elasticity, the position of the holding rod can be kept, the holding rod is made to stably lift, and the holding rod is ejected to the lower side in a natural state. The two groups of positioning holes respectively correspond to the extending and retracting states of the outer shaft, and the positioning rods enter the positioning holes to fix the position of the outer shaft. When the working state of the outer shaft is switched through the handle, fingers stretch into the lower side of the holding rod, the holding rod is held to enable the holding rod to move upwards, the positioning rod is driven to move upwards, the handle can be moved at the moment, after the working state of the outer shaft is switched, the holding rod is loosened, the positioning rod moves downwards to enter the positioning hole at the position to enable the position of the outer shaft to be fixed under the elastic force of the spring telescopic rod, the auxiliary gear on the outer shaft is enabled to be meshed with the main gear stably, and the position of the outer shaft is kept. Can remove the handle in a flexible way and fix the position of outer axle through the control to the holding rod, it is ingenious convenient, convenience when further having improved the use.

Preferably, the transmission assembly comprises a large belt pulley installed on the inner shaft, a rotating shaft extending into the box body is coaxially connected to the turbine fan blades, bevel gears are installed at the end portions of the rotating shaft, a small belt pulley synchronously connected with the large belt pulley is installed in the box body, the bevel gears are installed on the small belt pulley in the same way, and the two bevel gears are meshed with each other.

When the inner shaft rotates, the large belt pulley rotates to drive the small belt pulley to rotate, and the rotating shaft rotates along with the small belt pulley through the meshing transmission of the two bevel gears, so that the turbine fan blades in the connecting pipe rotate at a high speed to generate driving force for water flow. The power transmission with interior axle is ingenious for turbine fan blade, has realized the control to turbine fan blade, need not to set up extra power equipment, and is ingenious convenient.

Preferably, the end face of the cooling pipe is semicircular, and one side of the plane of the cooling pipe is attached to the inner wall of the radiating groove.

The plane portion of cooling tube and the laminating of radiating groove inner wall can increase the area of contact of cooling tube and box, and then improves the radiating effect, and the heat of transmission on the box can be taken away fast to the rivers in the cooling tube.

Compared with the prior art, the invention has the beneficial effects that:

1. the two ends of the gear box are respectively provided with the two outer shafts which are distributed up and down, so that the flexibility of the gear box is improved, the gear box is not easily hindered by other equipment and space, the working state of the outer shafts can be changed through the operating rod, the outer shafts which are not in a use state are prevented from consuming extra power, and the flexibility and the convenience of equipment are further improved.

2. The cooling pipe is arranged on the outer wall of the gear box to dissipate heat of the gear box, and when the gear box works, the turbine fan blades in the connecting pipe are driven by the inner shaft to rotate so as to enable water flow to run automatically, so that the heat dissipation efficiency is improved remarkably, the automatic heat dissipation of the gear box can be realized only by connecting the two ends of the cooling pipe with a water body, and the gear box cooling device is efficient and convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a left side elevation view of the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is an enlarged view of the structure at A of the present invention;

FIG. 6 is an enlarged view of the structure of the present invention at B;

FIG. 7 is an enlarged view of the structure of the present invention at C;

FIG. 8 is an enlarged view of the structure of the present invention at D;

fig. 9 is a schematic front view of a linkage frame of the present invention.

In the figure: 1. a box body; 2. a gear set; 3. an outer shaft; 4. a pinion gear; 5. a main gear; 6. a fixed mount; 7. an operating lever; 701. a handle; 702. pasting a board; 703. a slider; 704. a chute; 705. a sealing film; 8. a linkage frame; 801. a C-shaped rod; 802. inserting a rod; 9. a balancing pole; 10. a large belt pulley; 11. sealing the bearing; 12. a heat sink; 13. a cooling tube; 14. a connecting pipe; 15. a movable groove; 16. a small belt pulley; 17. a bevel gear; 18. a holding rod; 19. a spring telescopic rod; 20. and (5) positioning the rod.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 9, the present invention provides a homodromous high torque gearbox, which has the following technical scheme:

the utility model provides a syntropy high moment of torsion gear box, including box 1, be equipped with gear train 2 in the box 1, the both ends of gear train 2 all are connected with interior axle, the master gear 5 is all installed to the tip in two interior axles, two sealed bearings 11 are installed to the equal longitudinal symmetry in both ends of box 1, the cartridge of all moving about on every sealed bearing 11 has outer axle 3, outer axle 3 can be on sealed bearing 11 free activity, keep simultaneously with sealed bearing 11 synchronous connection, cooperation through key and keyway can realize, do not describe here any more.

One end of each outer shaft 3 is provided with a pinion 4 positioned in the box body 1, the pinion 4 and the main gear 5 are mutually matched, when the pinion 4 is close to the main gear 5, the two are gradually meshed together, the main gear 5 can drive the pinion 4 to rotate, so that the outer shaft 3 at the position is rotated, each outer shaft 3 is provided with a fixing frame 6 positioned in the box body 1, the outer shaft 3 is rotatably inserted on the fixing frame 6, the outer shaft 3 can stably rotate on the fixing frame 6 and can change the position along with the fixing frame 6 so as to change the length extending out of the box body 1, a balancing rod 9 inserted on the fixing frame 6 is connected between the inner wall of the box body 1 and the outer wall of the gear set 2, the fixing frame 6 stably moves horizontally through the balancing rod 9, obvious inclination and deviation can not occur, the stability of the fixing frame is improved, two fixing frames 6 positioned at the upper side are both connected with an operating rod 7 extending to the upper side of the box body 1, the two fixing frames 6 positioned at the same side are connected with a linkage frame 8 together, and the linkage frame 8 enables the moving directions of the fixing frames 6 at the upper side and the lower side to be opposite.

The position of two outer axles 3 at the adjustable top of control action bars 7, the position of the outer axle 3 of bottom changes through the drive of linkage frame 8, and linkage frame 8 makes two mounts 6 of homonymy remove opposite direction, and when the outer axle 3 of upside stretches out, the outer axle 3 of downside withdraws to the pinion 4 of upside meshes with main gear 5, and pinion 4 of downside breaks away from the meshing with main gear 5, has realized the synchronous switch of the operating condition to two outer axles 3 of same end.

Referring to fig. 3 and 9, as an embodiment of the present invention, the linkage frame 8 includes two C-shaped rods 801, two ends of each C-shaped rod 801 are slidably inserted into outer sidewalls of two fixing frames 6 on the same side, respectively, movable grooves 15 adapted to the C-shaped rods 801 are formed in outer walls of two sides of the fixing frames 6, an insertion rod 802 is vertically connected to an outer sidewall of a middle portion of each C-shaped rod 801, and the insertion rod 802 is rotatably inserted into an inner wall of the box body 1.

The linkage frame 8 rotates by taking the middle of the linkage frame as a center, when the top end moves leftwards, the bottom end moves rightwards, the moving directions of the upper fixing frame 6 and the lower fixing frame 6 are opposite, the end parts of the C-shaped rods 801 slide in the movable grooves 15 on the two sides of the fixing frames 6, the C-shaped rods 801 and the fixing frames 6 can be flexibly matched and cannot be clamped, the upper fixing frame 6 and the lower fixing frame 6 can stably move simultaneously, and the smoothness of the equipment during working is improved. The linkage frame 8 enables the moving directions of the upper fixing frame 6 and the lower fixing frame 6 to be opposite, synchronous control of the upper outer shaft 3 and the lower outer shaft 3 is achieved, switching of the outer shafts 3 is greatly facilitated, the outer shafts 3 in proper positions can be selected quickly, the retracted outer shafts 3 do not rotate any more, the auxiliary gears 4 on the outer shafts are disengaged from the main gear 5, and waste of power is reduced.

Referring to fig. 5, as an embodiment of the present invention, the operation rod 7 includes a handle 701, a pasting board 702 is connected to a bottom end of the handle 701, a sliding block 703 is disposed on a bottom wall of the pasting board 702, the sliding block 703 is fixedly connected to a top end of the fixing frame 6, and a sliding groove 704 adapted to the sliding block 703 is disposed on a top wall of the box body 1.

The position of the upper side fixing frame 6 can be conveniently controlled through the handle 701, and then the working states of the two outer shafts 3 on the side are switched, so that the operation is convenient, and the convenience in use is improved.

Referring to fig. 5, as an embodiment of the present invention, sealing films 705 are connected to both sides of the slider 703, ends of the sealing films 705 are fixedly connected to inner walls of the sliding groove 704, and sealing grooves adapted to the sealing films 705 are formed on the inner walls of both sides of the sliding groove 704.

When the sliding block 703 moves, the sealing film 705 expands or contracts along with the sliding block, so that sundries or dust is prevented from entering the box body 1, the sealing film 705 adopts a foldable plastic film which is not easy to wear, the sealing film 705 can be used for a long time, the edge of the sealing film 705 moves in the sealing groove when the sealing film 705 moves, the sealing film 705 can smoothly expand or contract, and the sealing effect is ensured.

Referring to fig. 8, as an embodiment of the present invention, a grip 18 is disposed inside a handle 701, two spring telescopic rods 19 are symmetrically connected to the grip 18 and the top of the handle 701, a positioning rod 20 penetrating through a patch 702 is mounted on the bottom wall of the grip 18, and two sets of positioning holes adapted to the positioning rod 20 are formed on the top wall of a box body 1. The telescopic spring rod 19 is telescopic and elastic, and can keep the position of the holding rod 18, so that the holding rod 18 can stably lift and descend, and the holding rod 18 is pushed to the lower part in a natural state. The two sets of positioning holes respectively correspond to the extending and retracting states of the outer shaft 3, and the positioning rod 20 can fix the position of the outer shaft 3 when entering the positioning holes.

When the working state of the outer shaft 3 is switched by the handle 701, fingers extend into the lower side of the holding rod 18, the holding rod 18 is held to enable the holding rod 18 to move upwards, the positioning rod 20 is driven to move upwards, the handle 701 can be moved at the moment, after the working state of the outer shaft 3 is switched, the holding rod 18 is loosened, the positioning rod 20 moves downwards into the positioning hole at the position under the action of the elastic force of the elastic telescopic rod 19, so that the position of the outer shaft 3 is fixed, the secondary gear 4 on the outer shaft 3 is enabled to be stably meshed with the main gear 5, and the position of the outer shaft 3 is kept. The handle 701 can be flexibly moved and the position of the outer shaft 3 can be fixed by controlling the holding rod 18, so that the handle is ingenious, convenient and fast, and the convenience in use is further improved.

The outer walls of two sides of the box body 1 are provided with heat dissipation grooves 12, the inner walls of the heat dissipation grooves 12 are provided with cooling pipes 13 in an attached mode, the inner walls of the heat dissipation grooves 12 are provided with two connecting pipes 14 connected with two ends of each cooling pipe 13, one connecting pipe 14 is internally provided with a turbine fan blade, and the turbine fan blade is in transmission connection with the inner shaft through a transmission assembly.

Setting up of radiating groove 12 makes 1 both sides wall thickness of box less, be favorable to inside heat in time giving off, when 2 during operations of gear train, interior axle drives the turbine fan blade rotation in the connecting pipe 14 through drive assembly, produce the drive power to rivers, let in two connecting pipes 14 can make rivers dispel the heat to box 1 in cooling tube 13 internal automatic flow, ensure that the subassembly in box 1 is under suitable operating temperature, help the improve equipment state, the life of extension equipment. In addition, drive turbine fan blade through interior axle and rotate, need not additionally to set up power equipment such as water pump, gear train 2 operation then rivers flow, have realized the automatic control to the cooling water, and is high-efficient convenient.

Referring to fig. 3 and 7, as an embodiment of the present invention, the transmission assembly includes a large pulley 10 mounted on the inner shaft, a rotating shaft extending into the casing 1 is coaxially connected to the turbine blade, a bevel gear 17 is mounted at an end of the rotating shaft, a small pulley 16 synchronously connected to the large pulley 10 is mounted in the casing 1, the small pulley 16 is also mounted with the bevel gear 17, and the two bevel gears 17 are engaged with each other.

When the inner shaft rotates, the large belt pulley 10 rotates to drive the small belt pulley 16 to rotate, and the rotating shaft rotates along with the small belt pulley through the meshing transmission of the two bevel gears 17, so that the turbine blades in the connecting pipe 14 rotate at high speed to generate driving force for water flow. The power transmission with interior axle is ingenious for turbine fan blade, has realized the control to turbine fan blade, need not to set up extra power equipment, and is ingenious convenient.

Referring to fig. 7, as an embodiment of the present invention, the end surface of the cooling pipe 13 is semicircular, and the flat surface side of the cooling pipe 13 is bonded to the inner wall of the heat dissipation groove 12.

The plane portion of cooling tube 13 and the laminating of radiating groove 12 inner wall can increase the area of contact of cooling tube 13 and box 1, and then improves the radiating effect, and the heat that transmits to on the box 1 can be taken away fast to the rivers in the cooling tube 13.

The working principle is as follows: when the gear box is connected with equipment, if the installation position is obstructed, the outer shafts 3 at different positions can be switched, when the gear box is switched, the operating rod 7 is held, the holding rod 18 is pulled up, the positioning rod 20 is moved out of the positioning hole at the position, at the moment, the operating rod 7 can be moved to switch the positions of the outer shafts 3, the outer shaft 3 at the upper side, which is retracted from the lower side, can be extended, the outer shaft 3 at the upper side, which is extended from the outer shaft 3 at the lower side, can be retracted, when the outer shaft 3 is extended, the auxiliary gear 4 on the outer shaft can be meshed with the main gear 5, therefore, the outer shafts 3 at the two ends are in transmission connection through the gear set 2 all the time, the outer shafts 3 at different positions can be flexibly selected to be connected with the equipment, and the obstruction caused by other equipment and space is reduced.

When the gear train 2 during operation, interior epaxial big belt pulley 10 rotates, drive belt pulley 16 and rotate, through the meshing transmission of two bevel gears 17, the pivot is also followed and is rotated, consequently makes the turbine fan blade in the connecting pipe 14 rotate at a high speed, produces the drive power to rivers, let in two connecting pipes 14 can realize the automatic drive to rivers in the water, dispel the heat to the outer wall of box 1 fast, take away the heat in the box 1, ensure that each subassembly in the box 1 is under suitable temperature environment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a syntropy high torque gear box, includes box (1), is equipped with gear train (2) in box (1), and the both ends of gear train (2) all are connected with interior axle, its characterized in that: the end parts of the two inner shafts are respectively provided with a main gear (5), two sealing bearings (11) are symmetrically arranged at two ends of the box body (1) up and down, each sealing bearing (11) is movably inserted with an outer shaft (3), one end of each outer shaft (3) is provided with an auxiliary gear (4) positioned inside the box body (1), the auxiliary gear (4) and the main gear (5) are matched with each other, each outer shaft (3) is provided with a fixing frame (6) positioned inside the box body (1), the outer shafts (3) are rotatably inserted on the fixing frames (6), a balance rod (9) inserted on the fixing frame (6) is connected between the inner wall of the box body (1) and the outer wall of the gear set (2), two fixing frames (6) positioned at the upper sides are respectively connected with an operating rod (7) extending to the upper side of the box body (1), and two fixing frames (6) positioned at the same side are jointly connected with a linkage frame (8), the linkage frame (8) enables the moving directions of the fixed frames (6) at the upper side and the lower side to be opposite;

the box comprises a box body (1), and is characterized in that heat dissipation grooves (12) are formed in the outer walls of two sides of the box body (1), cooling pipes (13) are attached to the inner walls of the heat dissipation grooves (12), two connecting pipes (14) connected with two ends of the cooling pipes (13) are mounted on the inner walls of the heat dissipation grooves (12), one of the connecting pipes is a turbine fan blade mounted inside the connecting pipe (14), and the turbine fan blade and the inner shaft are connected through a transmission assembly in a transmission mode.

2. A homodromous high torque gearbox according to claim 1 wherein: linkage frame (8) include two C shape poles (801), and the both ends of every C shape pole (801) are equallyd divide and are do not slided and insert and establish on the lateral wall of two mount (6) of homonymy, all set up on the outer wall of mount (6) both sides with activity groove (15) of C shape pole (801) adaptation, every all be connected with inserted bar (802) perpendicularly on the lateral wall at C shape pole (801) middle part, inserted bar (802) rotate and insert and establish on the inner wall of box (1).

3. A homodromous high torque gearbox according to claim 1 wherein: the operating rod (7) comprises a handle (701), the bottom end of the handle (701) is connected with a pasting plate (702), a sliding block (703) is arranged on the bottom wall of the pasting plate (702), the sliding block (703) is fixedly connected with the top end of the fixing frame (6), and a sliding groove (704) matched with the sliding block (703) is formed in the top wall of the box body (1).

4. A homodromous high torque gearbox according to claim 3 wherein: the both sides of slider (703) all are connected with seal membrane (705), the tip fixed connection of seal membrane (705) is on the inner wall of spout (704), all set up the seal groove with seal membrane (705) adaptation on the inner wall of spout (704) both sides.

5. A homodromous high torque gearbox according to claim 3 wherein: the handle (701) is provided with a holding rod (18) on the inner side, the holding rod (18) and the handle (701) are symmetrically connected with two spring telescopic rods (19), a positioning rod (20) penetrating through the pasting plate (702) is installed on the bottom wall of the holding rod (18), and two groups of positioning holes matched with the positioning rod (20) are formed in the top wall of the box body (1).

6. A homodromous high torque gearbox according to claim 1 wherein: the transmission assembly comprises a large belt pulley (10) arranged on an inner shaft, a rotating shaft extending into the box body (1) is coaxially connected to the turbine fan blades, bevel gears (17) are installed at the end parts of the rotating shaft, small belt pulleys (16) synchronously connected with the large belt pulley (10) are installed in the box body (1), the bevel gears (17) are installed on the small belt pulleys (16) in the same mode, and the two bevel gears (17) are meshed with each other.

7. A homodromous high torque gearbox according to claim 1 wherein: the end face of the cooling pipe (13) is semicircular, and one side of the plane of the cooling pipe (13) is attached to the inner wall of the heat dissipation groove (12).