CN113236750A

CN113236750A - Shield constructs quick-witted reduction gear with heat dissipation function

Info

Publication number: CN113236750A
Application number: CN202110514753.4A
Authority: CN
Inventors: 魏伟; 袁勇超; 张康; 李云鹏; 战丽
Original assignee: Qingdao Branch Co Ltd Of Mechanical Science Research Institute
Current assignee: China National Academy Of Machinery Group Qingdao Branch Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-08-10
Anticipated expiration: 2041-05-10
Also published as: CN113236750B

Abstract

The invention relates to a shield machine speed reducer with a heat dissipation function, which comprises a speed reducer body, a protective housing and a heat dissipation air conditioner, wherein the protective housing is covered outside the speed reducer body; according to the shield machine reducer, after the structure of the existing shield machine reducer is improved, the improved shield machine reducer can achieve the effect of rapid cooling when working, so that when the shield machine reducer works, high temperature generated on the shield machine reducer can be rapidly dissipated in time through the heat dissipation and cooling equipment, the shield machine reducer is guaranteed to work in a bearable temperature range all the time, the shield machine reducer is protected, and the service life of the shield machine reducer can be effectively prolonged.

Description

Shield constructs quick-witted reduction gear with heat dissipation function

Technical Field

The invention relates to the technical field of shield machine reducer equipment, in particular to a shield machine reducer with a heat dissipation function.

Background

The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The speed reducer plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or the actuating mechanism, and is a relatively precise machine. Its purpose is to reduce the speed and increase the torque. It has various types, different models and different purposes. The speed reducers are various in types and can be divided into gear speed reducers, worm speed reducers and planetary gear speed reducers according to the transmission types; the speed reducer can be divided into a single-stage speed reducer and a multi-stage speed reducer according to different transmission stages; according to the shape of the gear, the gear can be divided into a cylindrical gear reducer, a conical gear reducer and a conical-cylindrical gear reducer; according to the arrangement form of transmission, the speed reducer can be divided into an expanded speed reducer, a split-flow speed reducer and a coaxial speed reducer.

During the use process of the shield machine, a reducer is also arranged. The existing reducer of the shield machine can generate a large amount of heat in the using process, if the heat cannot be dissipated timely, the reducer of the shield machine works in a high-temperature environment for a long time, the reducer of the shield machine is easily damaged, the service life of the reducer of the shield machine is shortened, and an air conditioner is arranged on the reducer of the shield machine, so that the effect of cooling and radiating the reducer of the shield machine is achieved. However, because the reducer of the shield machine is arranged in the housing, the reducer of the shield machine is cooled through the air conditioner, and the effect of rapid cooling cannot be achieved in a short time, so that a higher temperature still can be kept in a working state of the reducer of the shield machine, and the service life of the reducer of the shield machine can still be shortened. In order to solve the problems, the invention provides a shield machine reducer with a heat dissipation function.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects in the prior art, adapt to the practical requirements and provide a shield machine reducer with a heat dissipation function so as to solve the problems.

(2) Technical scheme

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

the utility model provides a shield constructs quick-witted reduction gear with heat dissipation function, includes reduction gear body, protection housing and heat dissipation air conditioner, the protection housing covers establishes outside the reduction gear body, and is provided with the heat dissipation air conditioner outside the protection housing, the louvre has been seted up on the protection housing, the setting of louvre for the heat dissipation of reduction gear body.

Furthermore, a heat conduction and dissipation mechanism is arranged on the protective housing, and the heat conduction and dissipation mechanism is arranged to contact with the speed reducer body, so that the heat conduction effect is realized, and the dissipation of the temperature on the speed reducer body is accelerated.

Further, heat conduction heat dissipation mechanism is including driving actuating cylinder and a bearing plate, it sets up on a bearing plate to drive actuating cylinder fixed, and a bearing plate fixed the setting on the lateral wall of No. two bearing plates, No. two bearing plates are fixed to be set up on the lateral wall of protective housing, the drive end that drives actuating cylinder is connected with the cylinder arm, and the free end fixed connection of cylinder arm is on the fixed block, the fixed block is fixed to be set up on the lateral wall of slip backup pad, and the slip backup pad slides and sets up in the slip support inslot, the slip support inslot is seted up on protective housing, the one end fixedly connected with a plurality of heat-conducting plate of slip backup pad towards the reduction gear body, and the heat-conducting plate sets up with one side counterbalance that the reduction gear body is close to each other.

Further, be provided with coolant liquid cooling mechanism on the heat conduction heat dissipation mechanism, coolant liquid cooling mechanism's setting is through spraying the coolant liquid to the reduction gear body to play the radiating effect of cooling.

Furthermore, the cooling mechanism for the cooling liquid comprises a cooling liquid storage box and a liquid outlet pipe, the cooling liquid storage box is fixedly arranged on a sliding support plate, the side wall of the cooling liquid storage box is communicated with the liquid outlet pipe, the free end of the liquid outlet pipe is connected with a spray head, the top plate of the cooling liquid storage box is communicated with a pressure guide pipe, the pressure guide pipe is fixedly inserted on the bottom plate of the pressurizing box, the outer bottom wall of the pressurizing box is fixedly connected with a plurality of support rods, the lower ends of the support rods are fixedly connected on the outer top wall of the cooling liquid storage box, the side wall of the pressurizing box is communicated with an air inlet pipe, the top plate of the pressurizing box is movably inserted with a push rod, the push rod is wound and connected with a first spring, the two ends of the first spring are respectively fixedly connected on the side wall of the push rod and the outer top wall of the pressurizing box, and the lower end of the push rod is fixedly connected with a piston, and the piston activity sets up in the pressure boost incasement, the upper end fixed connection of catch bar is on the lower terminal surface of holding down plate, and the lateral wall of holding down plate articulates the one end that has the push-and-pull rod, the other end of push-and-pull rod rotates the setting on the edge of rolling disc, and the lateral wall fixedly connected with dwang of rolling disc, the dwang rotates and sets up on the lateral wall of slip backup pad, and the outer fixed cover of dwang is equipped with drive gear, drive gear meshes with the spur rack mutually, and the spur rack is fixed to be set up on the lateral wall of protective housing.

Furthermore, the air inlet pipe is provided with a first sealing mechanism, and the first sealing mechanism is used for blocking the air inlet pipe discontinuously.

Further, sealing mechanism includes a through-hole and a closing plate, a through-hole is seted up in the intake pipe, and is provided with a closing plate directly over a through-hole, fixedly connected with a plurality of No. two springs on the up end of a closing plate, and the upper end fixed connection of No. two springs is on the lower terminal surface of briquetting down, fixedly connected with connecting rod on the up end of briquetting down, and the connecting rod is fixed to be set up on the holding down plate.

Furthermore, be provided with No. two sealing mechanism on the drain pipe, No. two sealing mechanism's setting for realize the discontinuity shutoff to the drain pipe.

Further, the second sealing mechanism comprises a second through hole and a second sealing plate, the second through hole is arranged on the liquid outlet pipe, the second sealing plate is movably inserted in the second through hole, the side wall of the second sealing plate is fixedly connected with a connecting plate, the free end of the connecting plate is fixedly connected to the side wall of the movable sleeve ring, the movable sleeve ring is movably sleeved outside the sliding support plate, the sliding support plate is fixedly arranged on the outer top wall of the cooling liquid storage box, the sliding support plate is externally wound and connected with a third spring, two ends of the third spring are respectively and fixedly connected to the upper end surface of the movable sleeve ring and the side wall of the sliding support plate, a third bearing plate is fixedly connected to the outer side wall of the movable sleeve ring, a sliding groove is arranged on the third bearing plate, a sliding block is arranged in the sliding groove, and one end of the guide assembly is fixedly connected to the side wall of the sliding block, the other end of the guide assembly is fixedly connected to the side wall of the sliding groove, one end of a push-pull rod is hinged to the upper end face of the sliding block, and the other end of the push-pull rod is hinged to the circumference of the rotating disc.

Further, the guide assembly comprises a guide rod, a guide cylinder and a guide spring, the guide rod is movably inserted into the guide cylinder, the guide spring is wound and connected outside the guide rod, and two ends of the guide spring are respectively and fixedly connected to the side wall of the guide rod and the outer side wall of the guide cylinder.

(3) Has the advantages that:

according to the shield machine reducer, after the structure of the existing shield machine reducer is improved, the improved shield machine reducer can achieve the effect of rapid cooling when working, so that when the shield machine reducer works, high temperature generated on the shield machine reducer can be rapidly dissipated in time through the heat dissipation and cooling equipment, the shield machine reducer is guaranteed to work in a bearable temperature range all the time, the shield machine reducer is protected, and the service life of the shield machine reducer can be effectively prolonged.

According to the invention, the heat dissipation holes are formed in the protective housing, and the arrangement of the heat dissipation holes can ensure that the speed reducer body is contacted with the external environment in a larger area, so that the effective heat dissipation and cooling effects on the speed reducer body can be realized in a natural cooling mode.

Meanwhile, the part of the speed reducer body exposed in the environment can be also contacted with the heat conduction and dissipation mechanism, and meanwhile, the contact of the heat conduction and dissipation mechanism can increase the heat dissipation area, so that the heat dissipation rate can be effectively accelerated.

Moreover, when the heat conduction and dissipation mechanism works, the cooling liquid cooling mechanism can be driven to work, and the cooling liquid cooling mechanism can spray cooling liquid onto the speed reducer body to accelerate the dissipation of the temperature on the speed reducer body.

When the cooling liquid cooling mechanism sprays cooling liquid, in order to ensure enough pressure, the first sealing mechanism is additionally arranged on the cooling liquid cooling mechanism, and the first sealing mechanism can realize intermittent plugging on the air inlet pipe.

When the piston is sprayed with the cooling liquid to complete the upward resetting movement, in order to prevent the cooling liquid in the spray head from being sucked back into the cooling liquid storage box, the second sealing mechanism is additionally arranged in the invention, specifically, when the piston is in the resetting movement, the second sealing mechanism completes the plugging of the liquid outlet pipe, so that the cooling liquid in the spray head can be prevented from flowing back into the cooling liquid storage box, and the second sealing mechanism has reasonable structural design and can realize discontinuous plugging of the liquid outlet pipe, thereby ensuring that the cooling liquid can smoothly flow out.

The structure design of the invention is reasonable, the cooling liquid cooling mechanism can be driven to spray the cooling liquid in the process of heat conduction and heat dissipation by the heat conduction and heat dissipation mechanism in contact with the heat dissipation mechanism, and the first sealing mechanism and the second sealing mechanism can be ensured to be linked, so that the operation difficulty of the equipment can be reduced, and the high efficiency of the equipment operation can be improved.

Drawings

FIG. 1 is a schematic structural diagram of a shield machine reducer with a heat dissipation function according to an embodiment of the present invention;

FIG. 2 is a partial enlarged structural schematic view of a shield machine reducer with a heat dissipation function in FIG. 1;

FIG. 3 is a schematic diagram of a local enlarged structure in soil of a shield machine reducer with a heat dissipation function according to the present invention;

FIG. 4 is a schematic diagram of a shield machine reducer with a heat dissipation function according to the present invention, wherein the structure of FIG. 3 is partially cut and enlarged;

FIG. 5 is an enlarged schematic view of the structure A in FIG. 3 of the shield machine reducer with heat dissipation function according to the present invention;

FIG. 6 is an enlarged schematic view of a structure B in FIG. 3 of a shield machine reducer with a heat dissipation function according to the present invention;

fig. 7 is an enlarged schematic view of a structure C in fig. 6 of the shield machine reducer with the heat dissipation function according to the invention.

The reference numbers are as follows:

the reducer comprises a reducer body 1, a protective cover 2, a heat dissipation air conditioner 3, heat dissipation holes 4, a heat conduction and dissipation mechanism 5, a driving cylinder 51, a first bearing plate 52, a second bearing plate 53, a cylinder arm 54, a fixing block 55, a sliding support plate 56, a sliding support groove 57, a heat conduction plate 58, a cooling liquid cooling mechanism 6, a cooling liquid storage box 61, a liquid outlet pipe 62, a spray head 63, a pressure guide pipe 64, a pressurizing box 65, a support rod 66, an air inlet pipe 67, a push rod 68, a first spring 69, a lower press plate 610, a push-pull rod 611, a rotating disc 612, a rotating rod 613, a driving gear 614, a straight rack 615, a piston 616, a first sealing mechanism 7, a first through hole 71, a first sealing plate 72, a second spring 73, a lower press block 74, a connecting rod 75, a second sealing mechanism 8, a second through hole 81, a second sealing plate 82, a connecting plate 83, a movable collar 84, a sliding support plate 85, a third spring 86, a third bearing plate 87, The sliding mechanism comprises a sliding groove 88, a sliding block 89, a guide assembly 810, a guide rod 8101, a guide cylinder 8102, a guide spring 8103 and a push-pull rod 811.

Detailed Description

The invention will be further illustrated with reference to the following figures 1 to 7 and examples:

a shield machine speed reducer with a heat dissipation function comprises a speed reducer body 1, a protective housing 2 and a heat dissipation air conditioner 3, wherein the protective housing 2 is covered outside the speed reducer body 1, the heat dissipation air conditioner 3 is arranged outside the protective housing 2, heat dissipation holes 4 are formed in the protective housing 2, the heat dissipation holes 4 are used for dissipating heat of the speed reducer body 1, the heat dissipation holes 4 and the heat dissipation holes 4 are formed in the protective housing 2, the speed reducer body 1 can be ensured to be in contact with the external environment in a larger area, and therefore, the effective heat dissipation and temperature reduction effects on the speed reducer body 1 can be realized in a natural temperature reduction mode, after the structure of the existing shield machine speed reducer is improved, the improved shield machine speed reducer can achieve the effect of rapid temperature reduction when in work, so that when the shield machine speed reducer works, the shield machine speed reducer can pass through, the high temperature that produces on the shield constructs quick-witted reduction gear in time dispels the heat to guarantee that the shield constructs quick-witted reduction gear and all the time works in the temperature range that can bear, and then realize the effect to shield constructs quick-witted reduction gear protection, consequently can effectively prolong the life of shield structure quick-witted reduction gear.

In this embodiment, the protective housing 2 is provided with a heat conduction and dissipation mechanism 5, the heat conduction and dissipation mechanism 5 is arranged to achieve the heat conduction effect by contacting with the reducer body 1, thereby accelerating the dissipation of the temperature on the reducer body 1, the heat conduction and dissipation mechanism 5 comprises a driving cylinder 51 and a first supporting plate 52, the driving cylinder 51 is fixedly arranged on the first supporting plate 52, the first supporting plate 52 is fixedly arranged on the side wall of the second supporting plate 53, the second supporting plate 53 is fixedly arranged on the outer side wall of the protective housing 2, the driving end of the driving cylinder 51 is connected with a cylinder arm 54, the free end of the cylinder arm 54 is fixedly connected to a fixed block 55, the fixed block 55 is fixedly arranged on the side wall of a sliding support plate 56, the sliding support plate 56 is slidably arranged in a sliding support groove 57, the sliding support groove 57 is arranged on the protective housing 2, the sliding support plate 56 is fixedly connected with a plurality of heat conduction plates 58 towards one end of the reducer body 1, and the heat conducting plate 58 is arranged in a manner of being abutted to one side of the reducer body 1 close to each other, meanwhile, the part of the reducer body 1 exposed in the environment can be also contacted with the heat conducting and radiating mechanism 5, and meanwhile, the contact of the heat conducting and radiating mechanism 5 can increase the radiating area, so that the radiating rate can be effectively accelerated.

In this embodiment, the heat-conducting and heat-dissipating mechanism 5 is provided with a cooling liquid cooling mechanism 6, the cooling liquid cooling mechanism 6 is arranged to spray cooling liquid onto the reducer body 1, thereby performing the functions of cooling and dissipating heat, the cooling liquid cooling mechanism 6 comprises a cooling liquid storage box 61 and a liquid outlet pipe 62, the cooling liquid storage box 61 is fixedly arranged on the sliding support plate 56, the liquid outlet pipe 62 is communicated with the side wall of the cooling liquid storage box 61, the free end of the liquid outlet pipe 62 is connected with a spray head 63, the top plate of the cooling liquid storage box 61 is communicated with a pressure guide pipe 64, the pressure guide pipe 64 is fixedly inserted on the bottom plate of the pressure increasing box 65, the outer bottom wall of the pressure increasing box 65 is fixedly connected with a plurality of support rods 66, the lower ends of the support rods 66 are fixedly connected on the outer top wall of the cooling liquid storage box 61, the side wall of the pressure increasing box 65 is communicated with an air inlet pipe 67, and the top plate of the pressure increasing box 65 is movably inserted with a push rod 68, a first spring 69 is wound and connected outside the push rod 68, two ends of the first spring 69 are respectively fixedly connected to the side wall of the push rod 68 and the outer top wall of the pressure increasing box 65, the lower end of the push rod 68 is fixedly connected with a piston 616, the piston 616 is movably arranged in the pressure increasing box 65, the upper end of the push rod 68 is fixedly connected to the lower end surface of the lower press plate 610, the side wall of the lower press plate 610 is hinged with one end of a push-pull rod 611, the other end of the push-pull rod 611 is rotatably arranged on the edge of the rotating disc 612, the side wall of the rotating disc 612 is fixedly connected with a rotating rod 613, the rotating rod 613 is rotatably arranged on the side wall of the sliding support plate 56, a driving gear 614 is fixedly sleeved outside the rotating rod 613, the driving gear 614 is meshed with a spur rack, the spur rack 615 is fixedly arranged on the outer side wall of the protective housing 2, and the heat-conducting and heat-dissipating, the work of coolant liquid cooling mechanism 6 can be through spraying the coolant liquid on reduction gear body 1 for scattering and disappearing of temperature on reduction gear body 1.

In the embodiment, the air inlet pipe 67 is provided with a first sealing mechanism 7, the first sealing mechanism 7 is arranged for blocking the air inlet pipe 67 discontinuously, the first sealing mechanism 7 comprises a first through hole 71 and a first sealing plate 72, the first through hole 71 is arranged on the air inlet pipe 67, the first sealing plate 72 is arranged right above the first through hole 71, the upper end surface of the first sealing plate 72 is fixedly connected with a plurality of second springs 73, the upper ends of the second springs 73 are fixedly connected to the lower end surface of the lower pressing block 74, the upper end surface of the lower pressing block 74 is fixedly connected with a connecting rod 75, the connecting rod 75 is fixedly arranged on the lower pressing block 610, when the cooling liquid cooling mechanism 6 sprays cooling liquid, in order to ensure enough pressure, the first sealing mechanism 7 is additionally arranged on the cooling liquid cooling mechanism 6, and the first sealing mechanism 7 is arranged for blocking the air inlet pipe 67 discontinuously, like this in actual working process, when the pressurization blowout coolant liquid, sealing mechanism 7 accomplishes the shutoff to intake pipe 67, when guaranteeing that the coolant liquid sprays, has sufficient power, and after spraying, sealing mechanism 7 breaks away from intake pipe 67 to the outside air replenishes pressure boost case 65.

In this embodiment, a second sealing mechanism 8 is disposed on the drain pipe 62, the second sealing mechanism 8 is disposed for blocking the drain pipe 62 discontinuously, the second sealing mechanism 8 includes a second through hole 81 and a second sealing plate 82, the second through hole 81 is disposed on the drain pipe 62, the second sealing plate 82 is movably inserted into the second through hole 81, a connecting plate 83 is fixedly connected to a side wall of the second sealing plate 82, a free end of the connecting plate 83 is fixedly connected to a side wall of the movable sleeve ring 84, the movable sleeve ring 84 is movably sleeved outside the sliding support plate 85, the sliding support plate 85 is fixedly disposed on an outer top wall of the coolant storage tank 61, a third spring 86 is wound outside the sliding support plate 85, two ends of the third spring 86 are fixedly connected to an upper end surface of the movable sleeve ring 84 and a side wall of the sliding support plate 85 respectively, a third support plate 87 is fixedly connected to an outer side wall of the movable sleeve ring 84, and the third bearing plate 87 is provided with a sliding groove 88, the sliding groove 88 is internally provided with a sliding block 89 in a sliding way, the side wall of the sliding block 89 is fixedly connected with one end of a guide component 810, the other end of the guide component 810 is fixedly connected on the side wall of the sliding groove 88, the upper end surface of the sliding block 89 is hinged with one end of a push-pull rod 811, the other end of the push-pull rod 811 is hinged on the circumference of a rotating disc 612, when the piston 616 is sprayed with cooling liquid to complete the reset motion upwards, in order to prevent the cooling liquid in the spray head 63 from being sucked back into the cooling liquid storage box 61, the second sealing mechanism 8 is additionally arranged in the invention, particularly, when the piston 616 is reset, the second sealing mechanism 8 completes the sealing of the liquid outlet pipe 62, thus the cooling liquid in the spray head 63 can be prevented from flowing back into the cooling liquid storage box 61, the structural design of the second sealing mechanism 8 is reasonable, and the intermittent sealing of the liquid outlet pipe 62 can be realized, thereby ensuring that the cooling liquid can smoothly flow out.

In this embodiment, guide assembly 810 includes guide bar 8101, guide cylinder 8102 and guide spring 8103, the activity of guide bar 8101 is pegged graft in guide cylinder 8102, guide spring 8103 winding is connected outside guide bar 8101, and guide spring 8103's both ends respectively fixed connection on guide bar 8101's lateral wall and guide cylinder 8102's lateral wall, guide assembly 810's setting, both can play the effect that the direction was supported for the motion of sliding block 89, simultaneously can provide power for the reseing of sliding block 89 again.

The specific working principle of the invention comprises the following processes:

the prior art heat dissipation process:

when the speed reducer body 1 works, heat is generated, and the existing mode adopts a heat dissipation air conditioner 3 to cool and dissipate heat;

the contact type heat dissipation process:

when the heat-dissipation air conditioner 3 works, the driving cylinder 51 is also started, the cylinder arm 54 is driven to move by the driving cylinder 51, the heat-conducting plate 58 is driven by the cylinder arm 54 to contact with the reducer body 1 through the sliding supporting plate 56 to slide, and the loss of temperature on the reducer body 1 can be accelerated under the action of the heat-conducting plate 58;

cooling liquid heat dissipation process:

in the process of moving the sliding support plate 56, due to the arrangement of the spur rack 615, the rotating rod 613 is driven to rotate by the driving gear 614, the rotating rod 613 drives the rotating disc 612 to rotate, the rotating disc 612 rotates to pull the lower pressure plate 610 to move downwards by the push-pull rod 611, the lower pressure plate 610 moves downwards and pushes the piston 616 downwards in the pressurizing box 65 by the push rod 68, the piston 616 moves downwards to push the gas in the pressurizing box 65 to enter the cooling liquid storage box 61 through the pressure guide pipe 64, and a pressurizing process is performed, so that the cooling liquid in the cooling liquid storage box 61 is sprayed out of the spray head 63 through the liquid outlet pipe 62 and is in contact with the reducer body 1, and therefore, the cooling and heat dissipation of the reducer body 1 can be realized through the step;

in the heat dissipation and cooling process, the following processes can be realized in a linkage manner:

the intermittent plugging process of the air inlet pipe 67, specifically, in the downward movement process of the lower pressing plate 610, the lower pressing block 74 is pushed to move downward through the connecting rod 75, the downward movement of the lower pressing block 74 presses the first sealing plate 72 into the first through hole 71 through the second spring 73, so that the air inlet pipe 67 is plugged, at the moment, the piston 616 moves downward, the air in the pressurizing box 65 is pushed to enter the cooling liquid storage box 61, and the plugging process of the air inlet pipe 67 can prevent the air in the pressurizing box 65 from moving outside; when the pushing rod 68 makes a resetting movement, the first sealing plate 72 can move out of the first through hole 71 under the pushing of the first spring 69, and at the moment, outside air can enter the pressurizing box 65;

in the plugging process of the liquid outlet pipe 62, when the rotating disc 612 rotates, the third bearing plate 87 is pulled by the push-pull rod 811 to move upwards, the third bearing plate 87 moves upwards, the second sealing plate 82 is driven by the movable collar 84 and the connecting plate 83 to move upwards, so that the liquid outlet pipe 62 is opened, the cooling liquid can smoothly flow out, and at the moment, the piston 616 is in the downward movement process; when the piston 616 moves in a resetting manner, the second sealing plate 82 is pushed to enter the second through hole 81 again under the action of the third spring 86, the liquid outlet pipe 62 is plugged, the cooling liquid in the spray head 63 is prevented from flowing back, and in the moving process, the second sealing plate 82 does not move upwards to avoid the leakage of the cooling liquid and cannot be separated from the second through hole 81.

The invention has the beneficial effects that:

According to the invention, the heat dissipation holes 4 are formed in the protective housing 2, and the arrangement of the heat dissipation holes 4 can ensure that the speed reducer body 1 is in contact with the external environment in a larger area, so that the effective heat dissipation and cooling effects on the speed reducer body 1 can be realized in a natural cooling mode.

Meanwhile, the part of the speed reducer body 1 exposed in the environment can also be in contact with the heat conduction and dissipation mechanism 5, and meanwhile, the heat dissipation area can be increased due to the contact of the heat conduction and dissipation mechanism 5, so that the heat dissipation rate can be effectively increased.

Moreover, when the heat conduction and dissipation mechanism 5 works, the cooling liquid cooling mechanism 6 can be driven to work, and the cooling liquid cooling mechanism 6 can spray the cooling liquid onto the speed reducer body 1 to accelerate the dissipation of the temperature on the speed reducer body 1.

When the cooling liquid cooling mechanism 6 sprays cooling liquid, in order to ensure enough pressure, the first sealing mechanism 7 is additionally arranged on the cooling liquid cooling mechanism 6, and the first sealing mechanism 7 is arranged to realize intermittent plugging on the air inlet pipe 67, so that in the actual working process, when the cooling liquid is sprayed out under pressure, the first sealing mechanism 7 completes plugging on the air inlet pipe 67, enough power is ensured when the cooling liquid is sprayed, and after the spraying is finished, the first sealing mechanism 7 is separated from the air inlet pipe 67, so that the outside air supplements the pressurizing box 65.

When the piston 616 is reset upwards after being sprayed with the cooling liquid, in order to prevent the cooling liquid in the spray head 63 from being sucked back into the cooling liquid storage box 61, the second sealing mechanism 8 is additionally arranged in the cooling liquid storage box 61, specifically, when the piston 616 is reset, the second sealing mechanism 8 blocks the liquid outlet pipe 62, so that the cooling liquid in the spray head 63 can be prevented from flowing back into the cooling liquid storage box 61, the structural design of the second sealing mechanism 8 is reasonable, intermittent blocking can be realized on the liquid outlet pipe 62, and the cooling liquid can be ensured to flow out smoothly.

The structure design of the invention is reasonable, in the process of heat conduction and radiation of the heat conduction and radiation mechanism 5, the cooling liquid cooling mechanism 6 can be driven to spray cooling liquid, and the first sealing mechanism 7 and the second sealing mechanism 8 can be ensured to realize linkage, so that the operation difficulty of equipment can be reduced, and the high efficiency of the equipment operation can be improved.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. The utility model provides a shield constructs quick-witted reduction gear with heat dissipation function, includes reduction gear body (1), protection housing (2) and heat dissipation air conditioner (3), protection housing (2) cover is established outside reduction gear body (1), and is provided with heat dissipation air conditioner (3) outside protection housing (2), its characterized in that, louvre (4) have been seted up on protection housing (2), the setting of louvre (4) for the heat dissipation of reduction gear body (1).

2. The shield machine decelerator with heat dissipation function of claim 1, characterized in that: be provided with heat conduction heat dissipation mechanism (5) on protective housing (2), the setting of heat conduction heat dissipation mechanism (5) through the contact with reduction gear body (1), realizes the effect of heat conduction to accelerate scattering and disappearing of temperature on reduction gear body (1).

3. The shield machine decelerator with heat dissipation function of claim 2, wherein: the heat conduction and dissipation mechanism (5) comprises a driving cylinder (51) and a first bearing plate (52), the driving cylinder (51) is fixedly arranged on the first bearing plate (52), the first bearing plate (52) is fixedly arranged on the side wall of a second bearing plate (53), the second bearing plate (53) is fixedly arranged on the outer side wall of the protective housing (2), the driving end of the driving cylinder (51) is connected with a cylinder arm (54), the free end of the cylinder arm (54) is fixedly connected to a fixed block (55), the fixed block (55) is fixedly arranged on the side wall of a sliding support plate (56), the sliding support plate (56) is slidably arranged in a sliding support groove (57), the sliding support groove (57) is arranged on the protective housing (2), and one end, facing the reducer body (1), of the sliding support plate (56) is fixedly connected with a plurality of heat conduction plates (58), and the heat conducting plate (58) and one side of the speed reducer body (1) close to each other are arranged in a propping manner.

4. The shield machine decelerator with heat radiation function according to any one of claims 1-3, characterized in that: be provided with coolant liquid cooling mechanism (6) on heat conduction heat dissipation mechanism (5), the setting of coolant liquid cooling mechanism (6) is through spraying the coolant liquid to reduction gear body (1) to play the radiating effect of cooling.

5. The shield machine reducer with the heat dissipation function of claim 4, wherein: the cooling liquid cooling mechanism (6) comprises a cooling liquid storage box (61) and a liquid outlet pipe (62), the cooling liquid storage box (61) is fixedly arranged on a sliding support plate (56), the side wall of the cooling liquid storage box (61) is communicated with the liquid outlet pipe (62), the free end of the liquid outlet pipe (62) is connected with a spray head (63), the top plate of the cooling liquid storage box (61) is communicated with a pressure guide pipe (64), the pressure guide pipe (64) is fixedly inserted on the bottom plate of a pressurizing box (65), the outer bottom wall of the pressurizing box (65) is fixedly connected with a plurality of support rods (66), the lower ends of the support rods (66) are fixedly connected on the outer top wall of the cooling liquid storage box (61), the side wall of the pressurizing box (65) is communicated with an air inlet pipe (67) in an inserting manner, and a push rod (68) is movably inserted on the top plate of the pressurizing box (65), the outer winding of catch bar (68) is connected with spring (69), and the both ends of spring (69) are fixed connection respectively on the lateral wall of catch bar (68) and on the outer roof of pressure boost case (65), the lower extreme fixedly connected with piston (616) of catch bar (68), and piston (616) activity sets up in pressure boost case (65), the upper end fixed connection of catch bar (68) is on the lower terminal surface of holding down plate (610), and the lateral wall of holding down plate (610) articulates the one end that has push-and-pull rod (611), the other end of push-and-pull rod (611) rotates and sets up on the edge of rolling disc (612), and the lateral wall fixedly connected with dwang (613) of rolling disc (612), dwang (613) rotate and set up on the lateral wall of sliding support plate (56), and the cover is equipped with dwang (613) outer fixed drive gear (614), drive gear (614) meshes with spur rack (615), and the spur rack (615) is fixedly arranged on the outer side wall of the protective housing (2).

6. The shield machine decelerator with heat radiation function according to any one of claims 1-3, characterized in that: be provided with a sealing mechanism (7) on intake pipe (67), the setting of a sealing mechanism (7) for the shutoff of discontinuity realization to intake pipe (67).

7. The shield machine decelerator with heat dissipation function of claim 6, wherein: a sealing mechanism (7) includes a through hole (71) and a closing plate (72), No. one through hole (71) is seted up on intake pipe (67), and is provided with a closing plate (72) directly over a through hole (71), fixedly connected with a plurality of No. two spring (73) on the up end of closing plate (72), and the upper end fixed connection of No. two spring (73) is on the lower terminal surface of briquetting (74) down, fixedly connected with connecting rod (75) on the up end of briquetting (74) down, and connecting rod (75) are fixed to be set up on holding down plate (610).

8. The shield machine decelerator with heat radiation function according to any one of claims 1-3, characterized in that: be provided with No. two sealing mechanism (8) on drain pipe (62), the setting of No. two sealing mechanism (8) for realize the discontinuity shutoff to drain pipe (62).

9. The shield machine decelerator with heat dissipation function of claim 8, wherein: the second sealing mechanism (8) comprises a second through hole (81) and a second sealing plate (82), the second through hole (81) is arranged on the liquid outlet pipe (62), the second sealing plate (82) is movably inserted in the second through hole (81), the side wall of the second sealing plate (82) is fixedly connected with a connecting plate (83), the free end of the connecting plate (83) is fixedly connected to the side wall of the movable sleeve ring (84), the movable sleeve ring (84) is movably sleeved outside the sliding support plate (85), the sliding support plate (85) is fixedly arranged on the outer top wall of the cooling liquid storage box (61), the sliding support plate (85) is externally wound and connected with a third spring (86), two ends of the third spring (86) are respectively and fixedly connected to the upper end face of the movable sleeve ring (84) and the side wall of the sliding support plate (85), and a third bearing plate (87) is fixedly connected to the outer side wall of the movable sleeve ring (84), and a sliding groove (88) is formed in the third bearing plate (87), a sliding block (89) is arranged in the sliding groove (88) in a sliding mode, one end of a guide assembly (810) is fixedly connected to the side wall of the sliding block (89), the other end of the guide assembly (810) is fixedly connected to the side wall of the sliding groove (88), one end of a push-pull rod (811) is hinged to the upper end face of the sliding block (89), and the other end of the push-pull rod (811) is hinged to the circumference of the rotating disc (612).

10. The shield machine decelerator with heat dissipation function of claim 9, wherein: the guide assembly (810) comprises a guide rod (8101), a guide cylinder (8102) and a guide spring (8103), the guide rod (8101) is movably inserted into the guide cylinder (8102), the guide spring (8103) is wound outside the guide rod (8101), and two ends of the guide spring (8103) are fixedly connected to the side wall of the guide rod (8101) and the outer side wall of the guide cylinder (8102) respectively.