阅读说明：本技术 一种地铁车辆用节水型自动洗车设备 (Water-saving automatic car washing equipment for metro vehicle ) 是由 杨丽红 潘玉军 于 2021-10-13 设计创作，主要内容包括：一种地铁车辆用节水型自动洗车设备,包括混合箱,混合箱的一侧连接球阀的进水端,球阀的出水端安装喷头,混合箱的一侧安装第一活塞缸,混合箱的另一侧连接横筒的一端、回水管的一端,回水管的另一端连接储水箱,竖筒内有第一螺旋叶片,横筒内安装横轴,横筒上安装驱动电机,横筒的另一端设有进液口,横轴与竖轴通过可调节传动装置传动连接。本发明能够将管道内的冷水预存在储水箱内,仅适当温度的水能够通过球阀、喷头喷出,当水温过高与过低时,水无法通过喷头喷出,且预存在储水箱内的冷水能够缓慢回流注入温水中,减少冷水的浪费,同时水温过高时,储水箱内的冷水能够对温水进行降温,使喷头喷出的水在适当温度范围内,能够满足市场需求。(The utility model provides a subway vehicle is with water-saving automatic washing equipment, including the mixing box, the end of intaking of ball valve is connected to one side of mixing box, the play water end installation shower nozzle of ball valve, the first piston cylinder of one side installation of mixing box, the one end of a horizontal section of thick bamboo, the one end of wet return is connected to the opposite side of mixing box, the storage water tank is connected to the other end of wet return, there is first helical blade in the vertical cylinder, install the cross axle in the horizontal section of thick bamboo, install driving motor on the horizontal section of thick bamboo, the other end of horizontal section of thick bamboo is equipped with the inlet, the cross axle passes through adjustable transmission with the vertical shaft and is connected. The invention can pre-store cold water in the pipeline in the water storage tank, only water with proper temperature can be sprayed out through the ball valve and the spray head, when the water temperature is too high or too low, the water can not be sprayed out through the spray head, and the cold water pre-stored in the water storage tank can be slowly refluxed and injected into the warm water, thereby reducing the waste of the cold water.)

1. The utility model provides a subway vehicle is with water-saving automatic washing equipment which characterized in that: comprises a mixing box (1), one side of the mixing box (1) is communicated with and connected with the water inlet end of a ball valve (2), the water outlet end of the ball valve (2) is fixedly provided with a spray head (24), one side of the mixing box (1) is embedded with a first piston cylinder (3), the first piston cylinder (3) is internally provided with a first piston (4) in a matching way, the outer side of the first piston (4) is fixedly provided with a first rack (5), a valve rod of the ball valve (2) is fixedly provided with a first gear (6), the first rack (5) is meshed and matched with the first gear (6), the first piston (4) is connected with the first piston cylinder (3) through a spring (7), the other side of the mixing box (1) is sequentially communicated and connected with one end of a transverse cylinder (10) and one end of a water return pipe (11), the other end of the water return pipe (11) is communicated and connected with a water storage tank (12), the water storage tank (12) is communicated with the transverse cylinder (10) through a vertical cylinder (13), several through-holes (14) are seted up to the bottom of vertical cylinder (13), first check valve (15) of fixed mounting respectively in through-hole (14), the inside and horizontal cylinder (10) of vertical cylinder (13) are inside to be linked together through first check valve (15), wet return (11) internal fixation second check valve (16), first shaft hole (17) are seted up to the bottom of vertical cylinder (13), first shaft hole (17) internal rotation installation vertical axis (18), vertical cylinder (13) internal rotation is equipped with first helical blade (19), horizontal cylinder (10) internal rotation installation cross axle (20), fixed mounting can drive cross axle (20) pivoted driving motor (21) on horizontal cylinder (10), the interior week of second helical blade (22) of periphery fixed connection of cross axle (20), the other end of horizontal cylinder (10) is equipped with inlet (23), cross axle (20) are connected through adjustable transmission with vertical axis (18).

2. A water-saving type automatic car washing apparatus for a subway vehicle according to claim 1, wherein: the adjustable transmission device comprises a box body (30), the box body (30) is fixedly connected with a transverse cylinder (10) through a support rod, the side surface of the box body (30) is provided with a second shaft hole (31) corresponding to a vertical shaft (18) and a transverse shaft (20) respectively, a spring rod (32) is rotatably arranged in the second shaft hole (31) respectively, the outer end of the spring rod (32) is fixedly connected with the corresponding vertical shaft (18) or transverse shaft (20) respectively, the inner end of the spring rod (32) is fixedly provided with a conical friction wheel (33) respectively, the two conical friction wheels (33) are in mutual friction contact fit, a second piston cylinder (34) is embedded in the box body (30), and a second piston (35) is arranged in the second piston cylinder (34) in fit, one side of one conical friction wheel (33) is rotatably provided with a support ring (36) through a bearing, and the second piston (35) and the support ring (36) are respectively connected through an inserted rod (37).

3. A water-saving type automatic car washing apparatus for a subway vehicle according to claim 2, wherein: one side of the support ring (36) is fixedly connected with one end of a second rack (40), one side of the second gear (40) is meshed and matched with a second gear (41), the inner periphery of the second gear (41) is fixedly connected with the outer periphery of a support shaft (42), two ends of the support shaft (42) are rotatably connected with the side wall of the box body (30) through bearings, the outer periphery of the support shaft (42) is fixedly connected with the inner periphery of a worm pipe (43), one side of the worm pipe (43) is meshed and matched with a worm wheel (44), the worm wheel (44) is fixedly installed at one end of a rotating shaft (45), the other end of the rotating shaft (45) is rotatably installed on the box body (30) through bearings, a coaxial third gear (46) is fixedly installed on the outer periphery of the rotating shaft (45), one side of the third gear (46) is meshed and matched with a third rack (47), and the third rack (47) is connected with the box body (30) through a telescopic rod (48), the periphery of the lower end of the upper spring rod (32) is rotatably provided with a shaft sleeve (49) through a bearing, and the shaft sleeve (49) is fixedly connected with the third rack (47) through a connecting rod.

4. A water-saving type automatic car washing apparatus for a subway vehicle according to claim 1, wherein: the inner end of the first piston cylinder (3) is embedded with a first heat conducting rod (50), one end of the first heat conducting rod (50) is located in the first piston cylinder (3), and the other end of the first heat conducting rod (50) is located in the transverse cylinder (10).

5. A water-saving type automatic car washing apparatus for a subway vehicle according to claim 1, wherein: and a second heat-conducting rod (60) is embedded and mounted at the inner end of the second piston cylinder (34).

Technical Field

The invention belongs to the field of subway vehicle washing devices, and particularly relates to a water-saving automatic washing device for a subway vehicle.

Background

The side face and the end face of the subway train are required to be cleaned frequently in daily operation so as to keep the train operating cleanly and improve the service quality. The car washing equipment is one of the equipment with higher utilization rate in subway operation, is also equipment with more problems in use, and has more aspects needing improvement; need be with temperature control in appropriate within range during the washing, the washing water temperature is too high and all do not do benefit to the maintenance on railcar surface with low excessively, current car washer, the shower nozzle passes through long distance pipe connection with the warm water source, warm water cooling in the pipeline is very fast, during the reuse car washer, the difficult direct vehicle that washes of water of in-line cooling, need arrange the cold water in the pipeline to the greatest extent, lead to water to be wasted, after shower nozzle spun temperature reached the service temperature simultaneously, unable in time discovery, can cause water extravagant equally, can't satisfy the actual demand, so we have invented a water-saving automatic carwasher for railcar.

Disclosure of Invention

The invention provides a water-saving type automatic car washing device for a subway car, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

a water-saving automatic car washing device for metro vehicles comprises a mixing box, one side of the mixing box is communicated and connected with a water inlet end of a ball valve, a water outlet end of the ball valve is fixedly provided with a spray head, one side of the mixing box is embedded and provided with a first piston cylinder, a first piston is arranged in the first piston cylinder in a matching way, a first rack is fixedly arranged on the outer side of the first piston, a first gear is fixedly arranged on a valve rod of the ball valve, the first rack is meshed and matched with the first gear, the first piston is connected with the first piston cylinder through a spring, the other side of the mixing box is sequentially communicated and connected with one end of a transverse cylinder and one end of a water return pipe, the other end of the water return pipe is communicated and connected with a water storage tank, the water storage tank is communicated with the transverse cylinder through a vertical cylinder, the bottom of the vertical cylinder is provided with a plurality of through holes, first check valves are respectively fixedly arranged in the through holes, the interior of the vertical cylinder is communicated with the interior of the transverse cylinder through the first check valves, and a second check valve is fixedly arranged in the water return pipe, a first shaft hole is formed in the bottom of the vertical cylinder, a vertical shaft is rotatably mounted in the first shaft hole, a first spiral blade is arranged in the vertical cylinder in a rotating mode, a transverse shaft is mounted in the transverse cylinder in a rotating mode, a driving motor capable of driving the transverse shaft to rotate is fixedly mounted on the transverse cylinder, the outer periphery of the transverse shaft is fixedly connected with the inner periphery of a second spiral blade, a liquid inlet is formed in the other end of the transverse cylinder, and the transverse shaft and the vertical shaft are in transmission connection through an adjustable transmission device.

As above a water-saving automatic carwash equipment for railcar, adjustable transmission includes the box body, the box body passes through bracing piece fixed connection with the horizontal section of thick bamboo, the second shaft hole is seted up respectively to the side of box body corresponding vertical axis, cross axle, rotates respectively in the second shaft hole and installs the spring beam, the outer end of spring beam respectively with corresponding vertical axis or cross axle fixed connection, the inner of spring beam respectively fixed mounting toper friction pulley, two toper friction pulleys mutually friction contact cooperation, inlay in the box body and install the second piston cylinder, the second piston is installed to second piston cylinder fit in, one side of one of them toper friction pulley rotates installation support ring through the bearing, the second piston is connected through the inserted bar with the support ring respectively.

According to the water-saving automatic car washing equipment for the metro vehicle, one side of the support ring is fixedly connected with one end of the second rack, one side of the second gear is meshed and matched with the second gear, the inner periphery of the second gear is fixedly connected with the outer periphery of the support shaft, two ends of the support shaft are rotatably connected with the side wall of the box body through bearings, the outer periphery of the support shaft is fixedly connected with the inner periphery of the worm pipe, one side of the worm pipe is meshed and matched with the worm gear, the worm gear is fixedly installed at one end of the rotating shaft, the other end of the rotating shaft is rotatably installed on the box body through the bearings, the outer periphery of the rotating shaft is fixedly provided with the coaxial third gear, one side of the third gear is meshed and matched with the third rack, the third rack is connected with the box body through the telescopic rod, the outer periphery of the lower end of the spring rod on the upper side is rotatably provided with the shaft sleeve through the bearings, and the shaft sleeve is fixedly connected with the third rack through the connecting rod.

According to the water-saving automatic vehicle washing equipment for the metro vehicle, the first heat conducting rod is embedded at the inner end of the first piston cylinder, one end of the first heat conducting rod is located in the first piston cylinder, and the other end of the first heat conducting rod is located in the transverse cylinder.

According to the water-saving automatic vehicle washing equipment for the metro vehicle, the inner end of the second piston cylinder is embedded with the second heat conducting rod.

The invention has the advantages that: the invention has simple structure and ingenious conception, can pre-store cold water in the pipeline in the water storage tank, only water at proper temperature can be sprayed out through the ball valve and the spray head, when the water temperature is too high or too low, the water cannot be sprayed out through the spray head, and the cold water pre-stored in the water storage tank can be slowly refluxed and injected into warm water, thereby reducing the waste of the cold water. When the invention is used, the mixing box is fixedly arranged at a proper position, so that water sprayed out by the spray head can face to the side surface or the top side of the metro vehicle, the liquid inlet is connected with a warm water source through a pipeline, warm water of the warm water source can be pumped into the transverse cylinder through the pipeline, the warm water in the transverse cylinder enters the mixing box, when the water temperature is proper, the warm water can heat the first piston cylinder, so that gas in the first piston cylinder is thermally expanded to provide a leftward thrust force for the first piston, the first piston drives the first rack to move leftward, the spring is stretched, the first rack drives the first gear and the valve rod of the ball valve to rotate, so that the ball valve is opened, the warm water in the mixing box is sprayed out through the ball valve and the spray head, because the resistance of spraying out the warm water through the spray head is smaller than the resistance of passing through the second one-way valve, when the ball valve is opened, the warm water is sprayed out only through the spray head, and cannot enter the water storage tank through the second one-way valve, when the water temperature is lower than the proper temperature, the gas in the first piston cylinder is cooled, the first piston moves rightwards under the action of elastic tension of the spring to reset, so that the ball valve is closed gradually, when the water temperature is higher than the proper temperature, the gas in the first piston cylinder continues to be heated and expanded, the first piston moves to the leftmost side, the valve rod of the ball valve rotates by one hundred eighty degrees at the moment, the ball valve is closed, when the ball valve is closed, the water pressure in the mixing box rises, and cold water or high-temperature water can enter the water storage tank through the water return pipe and the second one-way valve; the water storage tank is powered on by the driving motor, the rotating shaft of the driving motor drives the transverse shaft, the second spiral blade rotates, leftward thrust is formed on water, power for enabling water in the transverse cylinder to flow leftward is increased, the transverse shaft drives the vertical shaft to rotate through the adjustable transmission device, the vertical shaft drives the first spiral blade to rotate, the first spiral blade forms downward thrust on the water in the vertical cylinder, cold water in the water storage tank is enabled to pass through the vertical cylinder, the through hole is formed in the transverse cylinder, the first check valve enters the transverse cylinder, cold water can flow back to be injected into warm water, the cold water is recycled, when the water temperature in the transverse cylinder is too high, the rotating speed of the vertical shaft is increased by adjusting the adjustable transmission device, the speed for enabling the cold water to enter the transverse cylinder is increased, and the water is cooled.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; fig. 2 is an enlarged view of part i of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

A water-saving automatic car washing device for metro vehicles is disclosed, as shown in the figure, and comprises a mixing box 1, one side of the mixing box 1 is communicated and connected with a water inlet end of a ball valve 2, a valve rod of the ball valve 2 can rotate without limit for three hundred sixty degrees, the valve rod of the ball valve 2 rotates for ninety degrees, the ball valve 2 can be gradually closed by opening or gradually opened by closing, the water inlet end of the ball valve 2 is communicated with the inside of the mixing box 1, a spray nozzle 24 is fixedly arranged at a water outlet end of the ball valve 2, a first piston cylinder 3 is embedded and installed at one side of the mixing box 1, a closed end of the first piston cylinder 3 is positioned in the mixing box 1, a first piston 4 is installed in the first piston cylinder 3 in a matching way, a first rack 5 is fixedly installed at the outer side of the first piston 4, a first gear 6 is fixedly installed on the valve rod of the ball valve 2, the first rack 5 is meshed and matched with the first gear 6, the first piston 4 is connected with the first piston cylinder 3 through a spring 7, the outer side of a first piston 4 is fixedly connected with one end of a first piston rod 8, the other end of the first piston rod 8 is fixedly connected with one end of a first rack 5, the first piston 4 is connected with a first piston cylinder 3 through a spring 7 sleeved on the periphery of the first piston rod 8, the periphery of the first piston rod 8 is provided with a sliding sleeve 9 in a sliding fit manner, the sliding sleeve 9 is fixedly connected with the first piston cylinder 3 through a connecting rod, the first piston rod 8 only can move leftwards and rightwards in the sliding sleeve 9, the other side of a mixing box 1 is sequentially communicated and connected with one end of a transverse cylinder 10 and one end of a water return pipe 11, one end of the transverse cylinder 10 is respectively communicated with the interior of the mixing box 1, the other end of the water return pipe 11 is communicated and connected with a water storage tank 12, the water storage tank 12 is communicated with the transverse cylinder 10 through a vertical cylinder 13, the upper end of the vertical cylinder 13 is communicated with the interior of the water storage tank 12, the bottom of the vertical cylinder 13 is provided with a plurality of through holes 14, and first check valves 15 are respectively fixedly installed in the through holes 14, the interior of the vertical cylinder 13 is communicated with the interior of the horizontal cylinder 10 through a first one-way valve 15, a second one-way valve 16 is fixedly installed in the water return pipe 11, the left end and the right end of the interior of the water return pipe 11 can only be communicated through the second one-way valve 16, the interior of the water storage tank 12 is communicated with the interior of the mixing tank 1 through the water return pipe 11, a first shaft hole 17 is formed in the bottom of the vertical cylinder 13, a vertical shaft 18 is rotatably installed in the first shaft hole 17, the outer periphery of the vertical shaft 18 is rotatably connected with the inner periphery of the first shaft hole 17 through a sealed bearing, a first spiral blade 19 is rotatably installed in the vertical cylinder 13, the outer periphery of the first spiral blade 19 is in sliding contact fit with the inner periphery of the vertical cylinder 13, the inner periphery of the first spiral blade 19 is fixedly connected with the outer periphery of the vertical shaft 18, a horizontal shaft 20 is rotatably installed in the horizontal cylinder 10, a driving motor 21 capable of driving the horizontal shaft 20 to rotate is fixedly installed on the horizontal cylinder 10, the outer periphery of the horizontal shaft 20 is fixedly connected with the inner periphery of a second spiral blade 22, the outer periphery of the second helical blade 22 is in sliding contact fit with the inner periphery of the transverse cylinder 10, a liquid inlet 23 is arranged at the other end of the transverse cylinder 10, and the transverse shaft 20 is in transmission connection with the vertical shaft 18 through an adjustable transmission device. The invention has simple structure and ingenious conception, can pre-store cold water in the pipeline in the water storage tank, only water at proper temperature can be sprayed out through the ball valve and the spray head, when the water temperature is too high or too low, the water cannot be sprayed out through the spray head, and the cold water pre-stored in the water storage tank can be slowly refluxed and injected into warm water, thereby reducing the waste of the cold water. When the invention is used, firstly, the mixing box 1 is fixedly arranged at a proper position, water sprayed by the spray head 24 can face to the side surface or the top side of a subway vehicle, then the liquid inlet 23 is connected with a warm water source through a pipeline, warm water of the warm water source can be pumped into the horizontal cylinder 10 through the pipeline, the warm water in the horizontal cylinder 10 enters the mixing box 1, when the water temperature is proper, the warm water can heat the first piston cylinder 3, so that gas in the first piston cylinder 3 is thermally expanded, a leftward thrust is given to the first piston 4, the first piston 4 drives the first rack 5 to move leftward, the spring 7 is stretched, the first rack 5 drives the first gear 6 and the valve rod of the ball valve 2 to rotate, so that the ball valve 2 is opened, the warm water in the mixing box 1 is sprayed out through the ball valve 2 and the spray head 24, and the resistance of the warm water sprayed out through the spray head 24 is smaller than the resistance of the warm water through the second one-way valve 16, therefore, when the ball valve 2 is opened, warm water is sprayed out only through the spray head 24, the warm water cannot enter the water storage tank 12 through the second one-way valve 16, when the water temperature is lower than the proper temperature, gas in the first piston cylinder 3 is cooled, the first piston 4 moves rightwards under the action of elastic tension of the spring 7 to reset, so that the ball valve is gradually closed, when the water temperature is higher than the proper temperature, gas in the first piston cylinder 3 continues to be heated and expanded, the first piston 4 moves to the leftmost side, at the moment, a valve rod of the ball valve 2 rotates by one hundred eighty degrees, the ball valve 2 is closed, when the ball valve 2 is closed, the water pressure in the mixing tank 1 is increased, and cold water or high-temperature water can enter the water storage tank 12 through the water return pipe 11 and the second one-way valve 16; the water storage tank is characterized in that a driving motor 21 is electrified, a rotating shaft of the driving motor 21 drives a transverse shaft 20 and a second spiral blade 22 to rotate, so that leftward thrust is formed on water, power for enabling water in a transverse cylinder 10 to flow leftward is increased, the transverse shaft 20 drives a vertical shaft 18 to rotate through an adjustable transmission device, the vertical shaft 18 drives a first spiral blade 19 to rotate, the first spiral blade 19 forms downward thrust on the water in the vertical cylinder 13, cold water in the water storage tank 12 enters the transverse cylinder 10 through the vertical cylinder 13, a through hole 14 and a first check valve 15, cold water can flow back to be injected into the warm water, the cold water is recycled, when the temperature of the water in the transverse cylinder 10 is too high, the rotating speed of the vertical shaft 18 is increased through adjustment of the adjustable transmission device, the speed for enabling the cold water to enter the transverse cylinder 10 is increased, and the water is cooled.

Specifically, as shown in the figures, the adjustable transmission device according to the present embodiment includes a box body 30, the box body 30 is fixedly connected to the horizontal cylinder 10 through a support rod, the side surface of the box body 30 corresponding to the vertical shaft 18 and the horizontal shaft 20 is respectively provided with a second shaft hole 31, a spring rod 32 is respectively rotatably mounted in the second shaft hole 31, the outer periphery of a fixing rod of the spring rod 32 is rotatably connected to the inner periphery of the second shaft hole 31 through a seal bearing, the outer end of the spring rod 32 is fixedly connected to the corresponding vertical shaft 18 or the horizontal shaft 20, the inner end of the spring rod 32 is respectively fixedly mounted with a conical friction wheel 33, the two conical friction wheels 33 are in mutual friction contact fit, the spring rod 32 is always in a compressed state, a second piston cylinder 34 is embedded in the box body 30, the outer end of the second piston cylinder 34 is located outside the box body 30, a second piston 35 is fittingly mounted in the second piston cylinder 34, one side of one conical friction wheel 33 is rotatably mounted with a support ring 36 through a bearing, the second piston 35 and the support ring 36 are respectively connected through a plug rod 37, the inner end of the second piston cylinder 34 is provided with a plug hole 38, and the plug rod 37 is movably arranged in the plug hole 38. Under the elastic action of the spring rod 32, the two conical friction wheels 33 are kept in friction contact fit, the transverse shaft 20 drives the corresponding spring rod 32 and the corresponding conical friction wheel 33 to rotate when rotating, the conical friction wheel 33 drives the other conical friction wheel 33, the spring rod 32 and the vertical shaft 18 to rotate, so that transmission between the transverse shaft 20 and the vertical shaft 18 is realized, when warm water in the transverse cylinder 10 passes through the box body 30, the warm water can heat the second piston cylinder 34, gas in the second piston cylinder 34 is heated and expanded, so that thrust is formed on the second piston 35, the second piston 35 drives the lower conical friction wheel 33 to move leftwards through the inserted link 37 and the support ring 36, the lower spring rod 32 is stretched, the lower conical friction wheel 33 drives the upper conical friction wheel 33 to move upwards, the upper spring rod 32 is compressed, the two conical friction wheels 33 are kept in mesh fit, and the transmission ratio between the transverse shaft 20 and the vertical shaft 18 is increased, therefore, the rotating speed of the vertical shaft 18 is increased, the rotating speed of the vertical shaft 18 is gradually increased along with the rising of the water temperature in the transverse cylinder 10, the rotating speed of the first spiral blade 19 driven by the vertical shaft 18 is increased, the downward thrust of the first spiral blade 19 to the water in the vertical cylinder 13 is increased, the speed of cold water in the water storage tank 12 entering the transverse cylinder 10 is increased, the temperature of the water in the transverse cylinder 10 is reduced, the higher the water temperature entering the transverse cylinder 10 from the liquid inlet 23 is, the faster the speed of cold water in the water storage tank 12 entering the transverse cylinder 10 is, and the overhigh water temperature entering the mixing tank 1 is avoided; on the contrary, after the temperature of the water entering the horizontal cylinder 10 from the liquid inlet 23 is reduced, the temperature of the gas in the second piston cylinder 34 is reduced, the transmission ratio between the horizontal shaft 20 and the vertical shaft 18 is reduced, the speed of the cold water in the water storage tank 12 entering the horizontal cylinder 10 is reduced, and therefore the problem that the temperature of the water entering the mixing tank 1 is too low is avoided.

Specifically, as shown in the drawing, one side of the support ring 36 of the embodiment is fixedly connected to one end of a second rack 40, one side of the second gear 40 is engaged and matched with a second gear 41, an inner periphery of the second gear 41 is fixedly connected to an outer periphery of a support shaft 42, two ends of the support shaft 42 are rotatably connected to a side wall of the box body 30 through bearings, the outer periphery of the support shaft 42 is fixedly connected to an inner periphery of a worm tube 43, one side of the worm tube 43 is engaged and matched with a worm gear 44, the worm gear 44 cannot drive the worm tube 43 to rotate, the worm gear 44 is fixedly installed at one end of a rotating shaft 45, the other end of the rotating shaft 45 is rotatably installed on the box body 30 through bearings, the outer periphery of the rotating shaft 45 is fixedly installed with a coaxial third gear 46, one side of the third gear 46 is engaged and matched with a third rack 47, the third rack 47 is connected to the box body 30 through a telescopic rod 48, the outer periphery of the lower end of the upper spring rod 32 is rotatably installed with a sleeve 49 through bearings, the shaft sleeve 49 is fixedly connected with the third rack 47 through a connecting rod. When the support ring 36 drives the corresponding friction wheel 33 to move left and right, the support ring 36 drives the second rack 41 to move left and right, the second gear 41 drives the support shaft 42 and the worm pipe 43 to rotate forward and backward, the worm pipe 43 drives the worm wheel 44, the rotating shaft 45 and the third gear 46 to rotate, the third gear 46 can drive the third rack 47, the shaft sleeve 49 and the upper friction wheel 33 to move up or down when rotating, the upper spring rod 32 is changed in a telescopic way, and the telescopic rod 48 is changed in a telescopic way, so that when the lower friction wheel 33 moves left, the upper friction wheel 33 moves up, or when the lower friction wheel 33 moves right, the upper friction wheel 33 moves down, the two friction wheels 33 are kept in frictional contact fit, and the torque transmitted by the two friction wheels 33 is increased.

Further, as shown in the figure, the inner end of the first piston cylinder 3 in this embodiment is mounted with a first heat conducting rod 50 in an embedded manner, one end of the first heat conducting rod 50 is located in the first piston cylinder 3, and the other end of the first heat conducting rod 50 is located in the transverse cylinder 10. The first heat conducting rod 50 can transfer the temperature of water in the transverse cylinder 10 to the interior of the first piston cylinder 3, so that the gas in the first piston cylinder 3 can be changed along with the change of the water temperature.

Furthermore, as shown in the figure, the inner end of the second piston cylinder 34 of the embodiment is embedded with a second heat-conducting rod 60. The second heat conducting rod 60 can transfer the temperature of the water in the transverse cylinder 10 into the second piston cylinder 34, so that the gas in the second piston cylinder 34 can be changed along with the change of the water temperature.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.