Forklift power supply capable of safely dissipating heat

Abstract

The invention discloses a forklift power supply capable of safely dissipating heat, which relates to the technical field of forklift power supplies, and adopts the technical scheme that the forklift power supply comprises a shell, a bottom plate is fixedly connected to the inner wall of the bottom of the shell, and a power supply body is arranged at the top of the bottom plate; the motor is fixedly connected to the inner wall of the rear side of the shell, and a first rotating shaft is fixedly connected to an output shaft of the motor and penetrates through one side of the shell; the cylinder is fixedly embedded in one side of the shell, two air inlet nets are fixedly embedded in one side of the cylinder, a second rotating shaft is embedded in the cylinder, a first fan blade is fixedly arranged outside the second rotating shaft in a sleeving mode and located in the cylinder, a U-shaped pipe is arranged outside the power source body in a sleeving mode, and a plurality of air outlet holes are formed in the U-shaped pipe. Through cooperation of air cooling and liquid cooling, the heat dissipation efficiency of the power supply body can be improved, heat can be dissipated in time, the temperature of the power supply body is prevented from being higher and higher, and the power supply body can be prevented from working in a high-temperature environment.

Description

Technical Field

[0001] The invention relates to the technical field of forklift power supplies, and in particular to a forklift power supply capable of safely dissipating heat. Background Art

[0002] Forklifts are industrial handling vehicles, which refer to various wheeled handling vehicles for loading and unloading, stacking and short-distance transportation of palletized goods. They are often used for the transportation of large objects in warehouses. They are usually driven by fuel engines or batteries. Forklift power sources are mostly batteries. When the forklift is in use, the forklift power source needs to be frequently charged and discharged, so the temperature of the power source itself will rise;

[0003] In order to prevent the power supply from being damaged by high temperature, it needs to be cooled. However, the existing forklift power supply has a relatively simple cooling method when in use, and the efficiency of cooling is poor, and the heat cannot be dissipated in time, so it needs to be improved.

[0004] For this reason, it is necessary to invent a forklift power supply that can safely dissipate heat. Summary of the invention

[0005] To this end, the present invention provides a forklift power supply capable of safely dissipating heat to solve the problems in the background technology.

[0006] In order to achieve the above object, the present invention provides the following technical solution: a forklift power supply capable of safely dissipating heat, comprising:

[0007] A housing, wherein the bottom inner wall of the housing is fixedly connected to a bottom plate, and a power source body is disposed on the top of the bottom plate;

[0008] A motor is fixedly connected to the inner wall of the rear side of the housing, and the output shaft of the motor is fixedly connected to a rotating shaft 1, and the rotating shaft 1 passes through one side of the housing;

[0009] A cylinder, which is fixedly embedded in one side of the shell, two air inlet nets are fixedly embedded in one side of the cylinder, a rotating shaft 2 is embedded inside the cylinder, a fan blade 1 is fixedly sleeved outside the rotating shaft 2 and the fan blade 1 is located inside the cylinder, a U-shaped tube is sleeved outside the power source body, a plurality of air outlet holes are opened on the U-shaped tube, two hoses are fixedly embedded at the bottom of the U-shaped tube, and one end of the two hoses is fixedly embedded in the other side of the cylinder;

[0010] A box body, which is fixedly connected to the front side of the shell, the inner wall of the bottom of the box body is fixedly connected to the pump body, a bent heat dissipation copper tube 1 is fixedly embedded inside the bottom plate, one end of the heat dissipation copper tube passes through the front side of the shell and the rear side of the box body and is fixedly connected to the water outlet of the pump body, the heat dissipation copper tube 1 is fixedly connected to the bottom of the power supply body, a heat dissipation copper tube 2 is arranged inside the shell, one end of the heat dissipation copper tube 2 is fixedly embedded in the top of the heat dissipation copper tube 1, the other end of the heat dissipation copper tube 1 is fixedly connected to a pipe 1, one end of the pipe 1 passes through the front side of the shell and is fixedly embedded in one side of the box body;

[0011] Sprocket 1, which is provided with two, the two sprockets 1 are respectively fixedly sleeved on the outside of the rotating shaft 1 and the rotating shaft 2, the two sprockets 1 are sleeved on the outside of the two sprockets 1, and the two sprockets 1 are driven and connected by the chain 1;

[0012] A moving assembly is mounted inside the housing.

[0013] Preferably, a shielding shell is fixedly connected to one side of the cylinder, and the shielding shell is sleeved on the outside of chain one. Two air-permeable nets one distributed front and back are fixedly embedded on one side of the shell, and air-permeable net two is fixedly embedded on the other side of the shell.

[0014] Preferably, a pipe 2 is fixedly embedded in the top of the box body, a switch valve is provided outside the pipe 2, the heat dissipation copper tube 1 is fixedly connected to the outer shell and the box body, and the pipe 1 is fixedly connected to the outer shell.

[0015] Preferably, the moving assembly includes two support blocks, and the two support blocks are respectively fixedly connected to the front and rear inner walls of the shell, and reciprocating screws are embedded in the two support blocks. The bottom ends of the two reciprocating screws pass through the bottom of the shell, and sliding seats are respectively sleeved on the outside of the two reciprocating screws. The sliding seats are connected to the reciprocating screws through a ball screw pair, and the two sliding seats are fixedly connected to the U-shaped tube. Positioning rods are fixedly connected to the front and rear inner walls of the shell, and the two positioning rods respectively pass through the two sliding seats and are slidably connected to them.

[0016] Preferably, one of the reciprocating screws is fixedly connected to a bevel gear 1 at the top end, and a bevel gear 2 meshingly connected to the bevel gear 1 is provided on one side of the bevel gear 1, and a fixed sleeve of the bevel gear 2 is arranged on the outside of the rotating shaft 1, and a sprocket 2 is fixedly arranged on the outside of the bottom ends of the two reciprocating screws, and a chain 2 is arranged on the outside of the two sprockets, and the two sprockets are driven and connected by the chain 2, a groove is opened inside the bottom plate, and the chain 2 passes through the groove, and the reciprocating screw is connected to the outer shell and the support block through bearings.

[0017] Preferably, two support rods are fixedly connected to the inner wall of the bottom of the shell, and the two support rods are located inside the heat dissipation copper tube 2 and the power supply body. A rotating shaft 3 is embedded in the two support rods, and a fan blade 2 is provided on the external fixed sleeve of the rotating shaft 3. A sprocket 3 is provided on the external fixed sleeve of the rotating shaft 3 and the rotating shaft 1, and a chain 3 is provided on the external sleeve of the two sprockets 3. The two sprockets 3 are driven and connected by the chain 3, and the rotating shaft 3 is connected to the support rods through bearings.

[0018] Preferably, a cover plate is provided on the top of the shell, the cover plate is connected to the shell by bolts, and a wire groove is opened inside the cover plate.

[0019] Preferably, the first rotating shaft is connected to the housing via a bearing, and the second rotating shaft is connected to the cylinder via a bearing.

[0020] Preferably, mounting brackets are fixedly connected to the four corners of the bottom of the shell, and mounting holes are provided inside the four mounting brackets.

[0021] The beneficial effects of the present invention are:

[0022] 1. The motor can rotate the shaft 1, and then the chain 1 can rotate the shaft 2 and the fan blade 1. At this time, the hose, the U-shaped tube and the air outlet can be used to blow air to dissipate heat for the power supply body, thereby achieving air cooling. Then, the pump body is controlled to work, so that the coolant can circulate in the heat dissipation copper tube 1, the heat dissipation tube 2, the pipe 1 and the box body. Since the heat dissipation copper tube 1 is in contact with the power supply body, liquid cooling can be achieved when the coolant flows. The two heat dissipation methods can increase the heat dissipation efficiency of the power supply body through the combination of air cooling and liquid cooling, and can dissipate heat in time, thereby preventing the temperature of the power supply body from getting higher and higher, and preventing the power supply body from working in a high temperature environment;

[0023] 2. By designing the moving component, when the motor works to rotate the shaft, the moving component will also work, so that the U-shaped tube can continuously move up and down, so that the position of the air outlet can be continuously changed, so that the wind can be blown evenly on the outside of the power supply body, thereby increasing the heat dissipation effect and avoiding heat dissipation dead corners. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0025] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0026] Figure 1 A schematic diagram of the overall structure provided by the present invention;

[0027] Figure 2 A front cross-sectional view provided by the present invention;

[0028] Figure 3 A side cross-sectional view provided for the present invention;

[0029] Figure 4 An exploded perspective view provided by the present invention;

[0030] Figure 5 The present invention provides Figure 4 A in the enlarged view;

[0031] Figure 6 The present invention provides Figure 4 The enlarged view of point B in the figure;

[0032] Figure 7 The present invention provides Figure 4 Bottom view;

[0033] Figure 8 A rear perspective view provided by the present invention;

[0034] In the figure: 1. Shell; 2. Bottom plate; 3. Power source body; 4. Motor; 5. Rotating shaft 1; 6. Cylinder; 7. Air inlet net; 8. Rotating shaft 2; 9. Fan blade 1; 10. U-shaped tube; 11. Air outlet; 12. Hose; 13. Box; 14. Pump body; 15. Heat dissipation copper tube 1; 16. Heat dissipation copper tube 2; 17. Pipe 1; 18. Sprocket 1; 19. Chain 1; 20. Shielding shell; 21. Ventilation Net one; 22, breathable net two; 23, pipe two; 24, switch valve; 25, support block; 26, reciprocating screw; 27, sliding seat; 28, positioning rod; 29, bevel gear one; 30, bevel gear two; 31, sprocket two; 32, chain two; 33, support rod; 34, rotating shaft three; 35, fan blade two; 36, sprocket three; 37, chain three; 38, cover plate; 39, wire trough; 40, mounting bracket. DETAILED DESCRIPTION

[0035] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0036] See attached Figure 1 -Attached Figure 8 The present invention provides a forklift power supply capable of safely dissipating heat, comprising:

[0037] The housing 1 has a bottom inner wall fixedly connected to a bottom plate 2, and a power source body 3 is disposed on the top of the bottom plate 2;

[0038] The motor 4 is fixedly connected to the inner wall of the rear side of the housing 1, and the output shaft of the motor 4 is fixedly connected to a rotating shaft 5, and the rotating shaft 5 passes through one side of the housing 1;

[0039] A cylinder 6 is fixedly embedded in one side of the housing 1, two air inlet nets 7 are fixedly embedded in one side of the cylinder 6, a rotating shaft 2 8 is embedded inside the cylinder 6, a fan blade 9 is fixedly sleeved outside the rotating shaft 2 8 and the fan blade 9 is located inside the cylinder 6, a U-shaped tube 10 is sleeved outside the power source body 3, a plurality of air outlet holes 11 are opened on the U-shaped tube 10, two hoses 12 are fixedly embedded at the bottom of the U-shaped tube 10, and one end of the two hoses 12 are fixedly embedded in the other side of the cylinder 6;

[0040] The box body 13 is fixedly connected to the front side of the shell 1, the inner wall of the bottom of the box body 13 is fixedly connected to the pump body 14, the bottom plate 2 is fixedly embedded with a bent heat dissipation copper tube 15, one end of the heat dissipation copper tube 15 passes through the front side of the shell 1 and the rear side of the box body 13 and is fixedly connected to the water outlet of the pump body 14, the heat dissipation copper tube 15 is fixedly connected to the bottom of the power supply body 3, the shell 1 is provided with a heat dissipation copper tube 2 16, one end of the heat dissipation copper tube 2 16 is fixedly embedded in the top of the heat dissipation copper tube 15, the other end of the heat dissipation copper tube 15 is fixedly connected with a pipe 17, one end of the pipe 17 passes through the front side of the shell 1 and is fixedly embedded in one side of the box body 13;

[0041] There are two sprockets 18, which are fixedly sleeved on the outside of the rotating shaft 1 5 and the rotating shaft 2 8 respectively. A chain 19 is sleeved on the outside of the two sprockets 18, and the two sprockets 18 are driven and connected by the chain 19;

[0042] A mobile assembly installed inside the housing 1;

[0043] A pipe 23 is fixedly embedded on the top of the box 13, a switch valve 24 is arranged outside the pipe 23, a heat dissipation copper pipe 15 is fixedly connected to the housing 1 and the box 13, and a pipe 17 is fixedly connected to the housing 1;

[0044] In this embodiment, the motor 4 can rotate the shaft 15 when it is working, and then the shaft 2 8 and the fan blade 19 can be rotated under the action of the chain 19. At this time, the power supply body 3 can be blown and cooled under the action of the hose 12, the U-shaped tube 10 and the air outlet, thereby realizing air cooling. Then, the pump body 14 is controlled to work, so that the coolant can circulate in the heat dissipation copper tube 15, the heat dissipation tube 2, the pipeline 17 and the box 13. Since the heat dissipation copper tube 15 is in contact with the power supply body 3, the coolant can achieve liquid cooling when it flows;

[0045] Among them, in order to achieve the purpose of air circulation inside the shell 1, the present device adopts the following technical solutions: a shielding shell 20 is fixedly connected to one side of the cylinder 6, and the shielding shell 20 is sleeved on the outside of the chain 19. Two air-permeable nets 1 21 distributed front and back are fixedly embedded on one side of the shell 1, and an air-permeable net 2 22 is fixedly embedded on the other side of the shell 1. The air-permeable nets 1 21 and 22 can achieve air circulation inside the shell 1.

[0046] Among them, in order to achieve the purpose of constantly changing the position of the air outlet, the present device adopts the following technical solutions: the moving component includes two support blocks 25, the two support blocks 25 are respectively fixedly connected to the inner walls of the front and rear sides of the shell 1, and reciprocating screws 26 are embedded in the two support blocks 25. The bottom ends of the two reciprocating screws 26 penetrate the bottom of the shell 1, and the outsides of the two reciprocating screws 26 are sleeved with sliding seats 27. The sliding seats 27 are connected to the reciprocating screws 26 through a ball screw pair. The two sliding seats 27 are fixedly connected to the U-shaped tube 10. The inner walls of the front and rear sides of the shell 1 are fixedly connected with positioning rods 28. The two positioning rods 28 respectively penetrate the two sliding seats 27 and are slidably connected thereto. A bevel gear 29 is fixedly connected to the top of one of the reciprocating screws 26. A bevel gear 2 30 meshingly connected to the bevel gear 1 29 is provided on one side thereof, and the bevel gear 2 30 is fixedly sleeved on the outside of the rotating shaft 1 5, and a sprocket 2 31 is fixedly sleeved on the outside of the bottom ends of the two reciprocating screws 26, and a chain 2 32 is sleeved on the outside of the two sprockets 2 31, and the two sprockets 2 31 are driven and connected by the chain 2 32, and a groove is provided inside the bottom plate 2, and the chain 2 32 runs through the groove, and the reciprocating screw 26 is connected to the housing 1 and the support block 25 through a bearing, and a moving component is designed, and when the motor 4 works to rotate the rotating shaft 1 5, the moving component will also work, so that the U-shaped tube 10 can be continuously moved up and down, so that the position of the air outlet can be continuously changed, so that the wind can be evenly blown on the outside of the power source body 3, thereby increasing the heat dissipation effect;

[0047] Among them, in order to achieve the purpose of cooling the coolant and air flow inside the shell 1, the present device adopts the following technical solution: two support rods 33 are fixedly connected to the inner wall of the bottom of the shell 1, and the two support rods 33 are located on the inner side of the heat dissipation copper tube 2 16 and the power supply body 3. A rotating shaft 34 is embedded in the two support rods 33, and a fan blade 2 35 is fixedly sleeved on the outside of the rotating shaft 34 and the rotating shaft 1 5. A sprocket 3 36 is fixedly sleeved on the outside of the rotating shaft 34 and the rotating shaft 1 5, and a chain 3 37 is sleeved on the outside of the two sprockets 36. The two sprockets 36 are sleeved on the outside of the two sprockets 36. 6 are connected by a chain 3 37, and the rotating shaft 34 is connected to the support rod 33 by a bearing. Under the action of the chain 3 37, the rotating shaft 1 5 can also rotate the rotating shaft 34, and the rotating shaft 34 can rotate the fan blade 2 35, so that the heat dissipation copper tube 2 16 can be blown, so that the cooling liquid can be cooled, thereby ensuring the liquid cooling effect, wherein the rotation of the fan blade 2 35 can also make the air inside the housing 1 circulate quickly, which can also increase the heat dissipation effect of the power supply body 3;

[0048] In order to facilitate the connection of wires, the device is implemented by the following technical solution: a cover plate 38 is provided on the top of the housing 1, the cover plate 38 is connected to the housing 1 by bolts, and a wire groove 39 is provided inside the cover plate 38, and the wire groove 39 can facilitate the connection of wires between the electrical equipment of the forklift and the power supply body 3;

[0049] In order to achieve the purpose of reducing wear, the device adopts the following technical solution: the rotating shaft 1 5 is connected to the housing 1 through a bearing, and the rotating shaft 2 8 is connected to the cylinder 6 through a bearing, and the bearing connection can reduce wear;

[0050] Among them, in order to facilitate the installation of the device on a forklift, the device is implemented using the following technical solution: mounting frames 40 are fixedly connected to the four corners of the bottom of the shell 1, and mounting holes are provided inside the four mounting frames 40. The mounting frames 40 can facilitate the installation of the device on a forklift.

[0051] The use process of the present invention is as follows: when the power supply body 3 generates heat during use and needs to dissipate the heat, the motor 4 is controlled to work, the motor 4 drives the shaft 15 to rotate, the shaft 15 rotates to drive the chain 19 to rotate, the chain 19 rotates to drive the shaft 2 8 to rotate, the shaft 2 8 rotates to make the fan blade 19 rotate, and then under the action of the two hoses 12, the U-shaped tube 10 and the plurality of air outlets, the fan blade 19 rotates to dissipate the heat from the outside of the power supply body 3, thereby achieving air cooling. At this time, the switch valve 24 can be opened, and then the coolant is added to the box 13 through the pipe 2 23, and then the pump body 14 is controlled to work, so that the coolant can circulate in the heat dissipation copper tube 15, the heat dissipation pipe 2, the pipe 17 and the box 13. Since the heat dissipation copper tube 15 is in contact with the power supply body 3, the coolant can achieve liquid cooling when it flows. The two heat dissipation methods can increase the heat dissipation efficiency of the power supply body 3 through the combination of air cooling and liquid cooling, and can dissipate the heat in time, thereby preventing the temperature of the power supply body 3 from getting higher and higher, and can prevent the power supply body 3 from working in a high temperature environment;

[0052] When the rotating shaft 1 5 rotates, the bevel gear 2 30 can also be rotated, and the rotation of the bevel gear 2 30 drives the bevel gear 1 29 to rotate, and the rotation of the bevel gear 1 29 drives the reciprocating screw 26 on the rear side to rotate, and the rotation of the reciprocating screw 26 on the rear side drives the chain 2 32 to rotate, and the rotation of the chain 2 32 drives the reciprocating screw 26 on the front side to rotate, so that the two reciprocating screws 26 can be rotated at the same time, and the rotation of the two reciprocating screws 26 drives the two sliding seats 27 to continuously move up and down, so that the U-shaped tube 10 can continuously move up and down, so that the position of the air outlet can be continuously changed, so that the wind can be evenly blown on the outside of the power supply body 3, thereby increasing the heat dissipation effect and avoiding the occurrence of heat dissipation dead angles;

[0053] The coolant absorbs heat when it flows. At this time, under the action of chain three 37, the rotation of shaft one 5 can also rotate shaft three 34. The rotation of shaft three 34 can rotate fan blade two 35, so that air can be blown to the heat dissipation copper tube two 16, which can cool the coolant and ensure the liquid cooling effect. The rotation of fan blade two 35 can also make the air inside the shell 1 circulate quickly, which can also increase the heat dissipation effect of the power supply body 3.

[0054] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention by using the above technical solutions or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention belongs to the scope of protection claimed by the present invention.

Claims

1. A forklift power supply capable of safely dissipating heat, characterized in that: include: A housing (1), wherein a bottom inner wall of the housing (1) is fixedly connected to a bottom plate (2), and a power source body (3) is provided on the top of the bottom plate (2); A motor (4) is fixedly connected to the inner wall of the rear side of the housing (1); the output shaft of the motor (4) is fixedly connected to a rotating shaft (5), and the rotating shaft (5) passes through one side of the housing (1); A cylinder (6) is fixedly embedded on one side of the outer shell (1), two air inlet nets (7) are fixedly embedded on one side of the cylinder (6), a second rotating shaft (8) is embedded inside the cylinder (6), a fan blade (9) is fixedly sleeved on the outside of the second rotating shaft (8), and the fan blade (9) is located inside the cylinder (6), a U-shaped tube (10) is sleeved on the outside of the power source body (3), a plurality of air outlet holes (11) are opened on the U-shaped tube (10), two hoses (12) are fixedly embedded at the bottom of the U-shaped tube (10), and one end of the two hoses (12) are fixedly embedded on the other side of the cylinder (6); A box body (13) is fixedly connected to the front side of the outer shell (1); the inner wall of the bottom of the box body (13) is fixedly connected to a pump body (14); a bent heat dissipation copper tube (15) is fixedly embedded inside the bottom plate (2); one end of the heat dissipation copper tube (15) passes through the front side of the outer shell (1) and the rear side of the box body (13) and is fixedly connected to the water outlet of the pump body (14); the heat dissipation copper tube (15) is fixedly connected to the bottom of the power source body (3); a heat dissipation copper tube (16) is provided inside the outer shell (1); one end of the heat dissipation copper tube (16) is fixedly embedded in the top of the heat dissipation copper tube (15); the other end of the heat dissipation copper tube (15) is fixedly connected to a pipe (17); one end of the pipe (17) passes through the front side of the outer shell (1) and is fixedly embedded in one side of the box body (13); Sprocket one (18), which is provided in two pieces, the two sprockets one (18) are respectively fixedly sleeved on the outside of the rotating shaft one (5) and the rotating shaft two (8), the two sprockets one (18) are sleeved on the outside of the two sprockets one (18), and the two sprockets one (18) are driven and connected by the chain one (19); A moving assembly is installed inside the housing (1).

2. A forklift power supply capable of safely dissipating heat according to claim 1, characterized in that: A shielding shell (20) is fixedly connected to one side of the cylinder (6), and the shielding shell (20) is sleeved on the outside of the chain one (19). Two air-permeable nets one (21) distributed front and back are fixedly embedded on one side of the shell (1), and air-permeable net two (22) is fixedly embedded on the other side of the shell (1).

3. A forklift power supply capable of safely dissipating heat according to claim 1, characterized in that: A second pipe (23) is fixedly embedded in the top of the box body (13), a switch valve (24) is provided outside the second pipe (23), the first heat dissipation copper pipe (15) is fixedly connected to the outer shell (1) and the box body (13), and the first pipe (17) is fixedly connected to the outer shell (1).

4. A forklift power supply capable of safely dissipating heat according to claim 1, characterized in that: The moving assembly comprises two support blocks (25), the two support blocks (25) are respectively fixedly connected to the inner walls of the front and rear sides of the shell (1), a reciprocating screw (26) is embedded in the two support blocks (25), the bottom ends of the two reciprocating screws (26) pass through the bottom of the shell (1), a sliding seat (27) is sleeved on the outside of the two reciprocating screws (26), the sliding seat (27) is connected to the reciprocating screw (26) through a ball screw pair, the two sliding seats (27) are fixedly connected to the U-shaped tube (10), and the inner walls of the front and rear sides of the shell (1) are fixedly connected with positioning rods (28), and the two positioning rods (28) respectively pass through the two sliding seats (27) and are slidably connected thereto.

5. A forklift power supply capable of safely dissipating heat according to claim 4, characterized in that: The top of one of the reciprocating screws (26) is fixedly connected to a bevel gear 1 (29), and one side of the bevel gear 1 (29) is provided with a bevel gear 2 (30) meshingly connected therewith, and the bevel gear 2 (30) is fixedly sleeved on the outside of the rotating shaft 1 (5), and the bottom ends of the two reciprocating screws (26) are fixedly sleeved with a sprocket 2 (31) on the outside, and the two sprockets 2 (31) are sleeved with a chain 2 (32) on the outside, and the two sprockets 2 (31) are driven and connected by the chain 2 (32), and a groove is provided inside the bottom plate (2), and the chain 2 (32) passes through the groove, and the reciprocating screw (26) is connected to the housing (1) and the support block (25) through a bearing.

6. A forklift power supply capable of safely dissipating heat according to claim 1, characterized in that: Two support rods (33) are fixedly connected to the inner wall of the bottom of the shell (1), and the two support rods (33) are located inside the heat dissipation copper tube 2 (16) and the power supply body (3). A rotating shaft 3 (34) is embedded inside the two support rods (33), and a fan blade 2 (35) is fixedly sleeved outside the rotating shaft 3 (34) and the rotating shaft 1 (5). A sprocket 3 (36) is fixedly sleeved outside the two sprockets 3 (36), and a chain 3 (37) is sleeved outside the two sprockets 3 (36). The two sprockets 3 (36) are connected by driving through the chain 3 (37), and the rotating shaft 3 (34) and the support rods (33) are connected through bearings.

7. A forklift power supply capable of safely dissipating heat according to claim 1, characterized in that: A cover plate (38) is provided on the top of the housing (1); the cover plate (38) is connected to the housing (1) via bolts; a wire groove (39) is provided inside the cover plate (38).

8. The forklift power supply capable of safely dissipating heat according to claim 1, characterized in that: The first rotating shaft (5) is connected to the housing (1) via a bearing, and the second rotating shaft (8) is connected to the cylinder (6) via a bearing.

9. A forklift power supply capable of safely dissipating heat according to claim 1, characterized in that: The four corners of the bottom of the housing (1) are all fixedly connected with mounting frames (40), and mounting holes are provided inside the four mounting frames (40).

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