Magnetic drive positioning electric forklift gearbox

Abstract

The utility model relates to the technical field of gear boxes, and discloses a magnetic drive positioning electric forklift gear box which comprises a bottom gear box body, the top of the bottom gear box body is fixedly connected with a top gear box body, and the outer portion of the top gear box body is connected with a plurality of dismounting mechanisms in a sliding mode. The top of the top gear box body is fixedly connected with a quantitative lubricating mechanism, the exterior of the bottom gear box body is rotationally connected with a first spline shaft, the exterior of the first spline shaft is fixedly connected with a permanent magnet, and the exterior of the permanent magnet is fixedly connected with a two-stage spring. According to the utility model, the sliding clamping rod is separated from the bottom gear box body, so that the whole body can be disassembled and assembled, when the whole body is assembled, the sliding clamping rod is loosened to enable the spring I to rebound, so that the sliding clamping rod can be clamped with the groove of the bottom gear box body, and the limiting rod is clamped with the sliding clamping rod, so that the whole body can be assembled. And therefore, the overall installation can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear box field especially relates to magnetic drive positioning electric fork truck gear box. BACKGROUND

[0002] In the warehouse, logistics center and other places, the magnetic drive positioning electric fork truck gear box can accurately control the driving of the forklift and the carrying of goods, realize efficient and accurate goods storage and retrieval, through the magnetic drive positioning technology, the forklift can run according to the preset route, avoid the deviation caused by manual driving, improve the safety and accuracy of goods carrying, and also can improve the work efficiency and reduce the operation cost.

[0003] Through the search, the patent announcement number of China: CN210825288U, an electric forklift gear box, including box, bottom plate, top plate, stand and guardrail, the box is placed on the bottom plate, the four corners of the bottom plate are provided with square stand, the guardrail is enclosed around the box and is arranged at intervals between the guardrails on each side of the box, the both ends of the guardrail are fixed on the corresponding stand, a plurality of installation grooves are vertically arranged on the stand, the installation groove includes an inlet groove and a fixed groove, the groove bottom width of the inlet groove and the fixed groove is greater than the slot width, the end of the guardrail is formed with a limiting block matched with the groove bottom width of the inlet groove and the fixed groove, the diameter of the guardrail is matched with the slot width of the inlet groove and the fixed groove, the end of the guardrail is inserted into the fixed groove and clamped in the fixed groove by the inlet groove, the top plate is arranged at the top end of the stand, and the spring is arranged between the top plate and the stand. The gear box with this design has good anti-collision effect.

[0004] The specification group mentioned in the above patent, "an electric forklift gear box, including box, bottom plate, top plate, stand and guardrail, the box is placed on the bottom plate", the electric forklift is the key equipment in logistics and production link, if the gear box fails and cannot be quickly disassembled and repaired, the forklift downtime will increase greatly, leading to material handling stagnation, production process is forced to be interrupted, and then the whole production progress is affected, causing order delayed delivery and other problems, in view of the above problems, the magnetic drive positioning electric fork truck gear box is presented. Utility model content

[0005] The magnetic drive positioning electric fork truck gear box provided by the utility model aims at improving the problem that part of the magnetic drive positioning electric fork truck gear box in the prior art cannot be quickly disassembled.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a magnetic drive positioning electric fork truck gear box, including bottom gear box body, the top of bottom gear box body is fixedly connected with top gear box body, the outside of top gear box body is slidably connected with a plurality of dismounting mechanism, the top of top gear box body is fixedly connected with quantitative lubricating mechanism, the outside of bottom gear box body is rotatably connected with spline shaft no.

[0008] The dismounting mechanism includes a sliding clamping rod, the outer top end of the sliding clamping rod is fixedly connected with a fixed plate, the bottom gear box body has a cavity inside, the cavity has a reset assembly slidably connected inside, the bottom gear box body has a limiting rod slidably connected outside, and the sliding clamping rod is slidably connected inside the top gear box body.

[0009] Through the above scheme: the bottom and the top gear box body are closely connected, the dismounting mechanism of the top facilitates maintenance, the sliding clamping rod slides in the top gear box, the fixed plate is easy to operate, the reset assembly in the cavity can automatically return the clamping rod, the limiting rod ensures stable sliding, the quantitative lubricating mechanism is matched to make the gear box run smoothly, the spline shaft no. and the permanent magnet and the two-stage spring cooperate to realize efficient magnetic drive positioning.

[0010] As a further description of the above technical solution:

[0011] The reset assembly includes a limiting plate, the sliding clamping rod has a spring one sleeved outside, and the limiting plate is slidably connected inside the cavity.

[0012] Through the above scheme: the limiting plate can flexibly slide in the cavity of the bottom gear box body, it cooperates with the spring one sleeved outside the sliding clamping rod, when the sliding clamping rod is pulled, the spring one is compressed under stress, after being released, the spring one rebounds to push the limiting plate to slide in the cavity, driving the sliding clamping rod to reset, ensuring efficient and convenient dismounting operation and repeated stable operation.

[0013] As a further description of the above technical solution:

[0014] The quantitative lubricating mechanism includes a mounting plate, the mounting plate has a lubricating shell fixedly connected inside, the lubricating shell has a connecting shaft rotatably connected inside, the connecting shaft has a baffle fixedly connected at both upper and lower ends, and the mounting plate is fixedly connected to the top of the top gear box body outside.

[0015] Through the above scheme: the mounting plate is fixed on the top of the top gear box body, providing stable support for the whole mechanism, the lubricating shell, the connecting shaft, the upper and lower baffles on the connecting shaft, the gear box, the connecting shaft, the baffles, the lubricating oil flow, the quantitative lubrication of the gear, and the efficient and stable operation of the gear box are realized.

[0016] As a further description of the above technical scheme:

[0017] The outer right side of the lubricating shell is fixedly connected with a pump body, and the driving end of the pump body is fixedly connected with an oil injection pipe.

[0018] Through the above scheme: the pump body and the oil injection pipe play a key role, the pump body is fixed on the right side of the lubricating shell, and the oil injection pipe connected with the driving end of the pump body can accurately deliver lubricating oil to the key parts inside the gear box. After the pump body is started, the lubricating oil is pushed powerfully, ensuring that all gears of the gear box are always in good lubrication state, prolonging the service life.

[0019] As a further description of the above technical scheme:

[0020] The inside of the bottom gear box body is rotatably connected with a spline shaft two, and the outside of the spline shaft two is fixedly connected with a driven gear.

[0021] Through the above scheme: the spline shaft two inside the bottom gear box body can rotate flexibly, which provides a stable basis for power transmission, and the driven gear fixedly connected with the spline shaft two can mesh with other gears. When the power is transmitted from the driving gear, the driven gear rotates to drive the spline shaft two to rotate, thereby realizing orderly transmission of power in the gear box and ensuring stable operation of the forklift.

[0022] As a further description of the above technical scheme:

[0023] The outside of the spline shaft one is fixedly connected with a driving gear, and the outside of the driving gear is in meshing connection with the outside of the driven gear.

[0024] Through the above scheme: the spline shaft one and the spline shaft two realize power transmission through the driving gear and the driven gear, the driving gear on the spline shaft one is in close meshing with the driven gear of the spline shaft two. When the spline shaft one rotates, the teeth of the driving gear push the teeth of the driven gear, so that the driven gear drives the spline shaft two to rotate synchronously, efficiently transmits power, ensures stable operation of the gear box, and enables the forklift to smoothly complete various operations.

[0025] As a further description of the above technical scheme:

[0026] The outside of the sliding clamping rod is slidably connected in the inside of the cavity, and the outside of the limiting rod is clamped with the inside of the sliding clamping rod.

[0027] Through the above scheme: the sliding clamping rod is smoothly slid in the cavity of the bottom gear box body, when the disassembly and assembly of the top and bottom gear box bodies is needed, the sliding clamping rod can be flexibly moved, the limiting rod is tightly clamped in the sliding clamping rod, after the sliding clamping rod reaches the appropriate position, the further sliding of the sliding clamping rod can be effectively limited, the stable position of the sliding clamping rod is ensured, and the safety and stability of the gear box disassembly and assembly process are ensured.

[0028] As a further description of the above technical scheme:

[0029] One end of the spring one is fixedly connected to the inside of the cavity, and the other end of the spring one is fixedly connected to the outside of the limiting plate.

[0030] Through the above scheme: one end of the spring one is fixedly connected to the inside of the cavity of the bottom gear box body, and the other end is tightly connected to the outside of the limiting plate, when the sliding clamping rod is slid in the cavity under the action of external force, the spring one is compressed or stretched, after the external force is removed, the spring one is reset by the elasticity thereof, the limiting plate and the sliding clamping rod are driven to return to the initial position, and the stable operation of the disassembly and assembly mechanism is ensured.

[0031] The utility model has the following beneficial effects:

[0032] 1、 in the utility model, the spring one is deformed, the sliding clamping rod is separated from the bottom gear box body, then the overall disassembly and assembly can be realized, when the overall installation is carried out, the spring one is rebounded by loosening the sliding clamping rod, then the sliding clamping rod can be clamped with the recess of the bottom gear box body, the overall installation can be realized by clamping the limiting rod and the sliding clamping rod.

[0033] 2、 in the utility model, oil is injected into the inside of the oil injection pipe, then the pump body can make lubricating oil enter the inside of the lubricating shell, then the lubricating oil can be transported by the baffle, then the lubricating oil can enter the inside of the top gear box body through the lubricating shell, so that the gear is transmitted to the nearby gear in the process of rotation, and the self-lubrication of the gear can be realized. ACCURATE DRAWINGS

[0034] Figure 1 It is a three-dimensional schematic view of the magnetic drive positioning electric forklift gear box provided by the utility model;

[0035] Figure 2 It is a structure schematic view of the spline shaft one of the magnetic drive positioning electric forklift gear box provided by the utility model;

[0036] Figure 3 It is Figure 2 An enlarged view of A in the middle;

[0037] Figure 4 The utility model provides a magnetic drive positioning electric fork truck gear box's drive gear's structure diagram.

[0038] Figure 5 For Figure 4 The enlarged view at B in the middle;

[0039] Legend:

[0040] 1, bottom gear box body; 2, top gear box body; 3, dismounting mechanism; 301, sliding clamping rod; 302, fixed plate; 303, cavity; 304, limiting plate; 305, spring one; 306, limiting rod; 4, quantitative lubricating mechanism; 401, mounting plate; 402, lubricating shell; 403, connecting shaft; 404, baffle; 405, pump body; 406, oil filling pipe; 5, spline shaft one; 6, permanent magnet; 7, double-stage spring; 8, drive gear; 9, spline shaft two; 10, driven gear. Specific implementation

[0041] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0042] With reference to Figures 1 to 3 An embodiment provided by the utility model: magnetic drive positioning electric fork truck gear box, including bottom gear box body 1, bottom gear box body 1 is the basic support structure of whole gear box, after strict heat treatment process, have good strength and toughness, can bear the huge pressure and impact force generated in the process of gear transmission, the top of bottom gear box body 1 is fixedly connected with top gear box body 2, the side surface of top gear box body 2 is designed with multiple sliding grooves, is used for cooperating with dismounting mechanism 3, the size precision and surface finish of these sliding grooves also pass through strict control, guarantee that dismounting mechanism 3 can smoothly slide in it, the outside of top gear box body 2 is slidably connected with multiple dismounting mechanisms 3, the top of top gear box body 2 is fixedly connected with quantitative lubricating mechanism 4, quantitative lubricating mechanism 4 includes mounting plate 401, the surface of mounting plate 401 is treated with polishing, can prevent rust and corrosion, is provided with multiple mounting holes on mounting plate 401, is used for installing lubricating shell 402 and other accessory parts, ensures the accuracy of each component installation, the inside of mounting plate 401 is fixedly connected with lubricating shell 402;

[0043] The inside of the lubricating shell 402 stores lubricating oil for lubricating the gears and bearings inside the gear box, reducing wear and friction, improving the service life and working efficiency of the gear box, and the top of the lubricating shell 402 is provided with an oil filling port for convenient addition of lubricating oil. The oil filling port is provided with a sealing cover to prevent lubricating oil from leaking and dust from entering. The inside of the lubricating shell 402 is rotatably connected with a connecting shaft 403, which is processed through multiple processes such as forging, turning and heat treatment, and has high strength and hardness. The upper and lower ends of the connecting shaft 403 are fixedly connected with baffles 404, which prevent the lubricating oil from splashing out during the rotation of the connecting shaft 403, and also serve as a certain axial positioning function for the connecting shaft 403. The outside of the mounting plate 401 is fixedly connected to the top of the top gear box body 2, and the outside of the bottom gear box body 1 is rotatably connected with a spline shaft one 5. The spline shaft one 5 serves to transmit power from the motor to the inside of the gear box, realizing power transmission and conversion. The outside of the spline shaft one 5 is fixedly connected with a permanent magnet 6, which is annular and has an inner diameter matching the outer diameter of the spline shaft one 5, and an outer diameter determined according to design requirements. The outside of the permanent magnet 6 is fixedly connected with a double-stage spring 7, which serves to buffer and dampen, reducing the impact force and vibration of the permanent magnet 6 during operation, protecting the safe and stable operation of the permanent magnet 6 and other related components. At the same time, the double-stage spring 7 can also automatically adjust the elastic force according to different working loads, improving the adaptability and reliability of the magnetic drive positioning system.

[0044] Specifically, the magnetic drive positioning electric fork truck gear box is composed of a bottom gear box body 1 and a top gear box body 2. The bottom gear box body 1 is heat treated to support the entire gear box and withstand transmission pressure and impact. The top is fixed with the top gear box body 2, and the side sliding groove cooperates with the external dismounting mechanism 3. The top end of the top gear box body 2 is connected with a quantitative lubricating mechanism 4. The mounting plate 401 inside the mechanism is polished to fix the lubricating shell 402, store lubricating oil, lubricate gears and bearings, and prevent lubricating oil from splashing out and positioning through the baffles 404 at both ends of the connecting shaft 403. The rotating spline shaft one 5 outside the bottom gear box body 1 transmits power, and the permanent magnet 6 outside the shaft is connected with the double-stage spring 7 outside the permanent magnet 6 for buffering and damping. The double-stage spring 7 automatically adjusts the elastic force according to the load, ensures the stability of the magnetic drive positioning system, adapts to different working conditions, and improves the working performance of the gear box.

[0045] Reference Figures 2 to 3, the dismounting mechanism 3 comprises a sliding clamping rod 301, which is in a whole cylindrical shape, the diameter of which is determined according to the design specification of the gear box, the outer top end of the sliding clamping rod 301 is fixedly connected with a fixed plate 302, the inside of the bottom gear box body 1 is provided with a cavity 303, the cavity 303 is milled on the bottom gear box body 1 through a precise machining process, which is in a cuboid shape, the inside size is accurately designed to adapt to the installation and movement of the reset assembly, the inside of the cavity 303 is slidably connected with the reset assembly, the reset assembly comprises a limiting plate 304, the surface of the limiting plate 304 is subjected to an anodizing treatment, which not only improves the hardness and wear resistance of the limiting plate 304, but also enables the outside of the limiting plate 304 to smoothly slide in the inside of the cavity 303, thereby playing a role in limiting the movement range and resetting of the sliding clamping rod 301, a spring one 305 is sleeved outside the sliding clamping rod 301, the spring one 305 is made of high-quality spring steel material and is subjected to a special heat treatment process, thereby having good elasticity and fatigue resistance, the outer diameter of the spring one 305 is designed according to the diameter of the sliding clamping rod 301 and the size of the cavity 303, the outside of the limiting plate 304 is slidably connected in the inside of the cavity 303, the outside of the bottom gear box body 1 is slidably connected with a limiting rod 306, the limiting rod 306 plays a role in further limiting the movement of the sliding clamping rod 301, thereby preventing the sliding clamping rod 301 from deviating or shaking in the sliding process, when the sliding clamping rod 301 slides in the inside of the top gear box body 2, the limiting rod 306 will slide in the guide groove of the bottom gear box body 1 along with the movement of the sliding clamping rod 301, thereby ensuring the movement stability of the whole dismounting mechanism 3, the outside of the sliding clamping rod 301 is slidably connected in the inside of the top gear box body 2;

[0046] Specifically, in the operation of the dismounting mechanism 3 of the gear box, the sliding clamping rod 301 plays a key role. It is in a cylindrical shape, the diameter is determined according to the specification of the gear box, the top end is fixed with the fixed plate 302, the bottom gear box body 1 is precisely milled to form a cuboid cavity 303, the reset assembly is built-in, the surface of the limiting plate 304 is subjected to an anodizing treatment, and the limiting plate 304 smoothly slides in the cavity 303, thereby limiting the movement range of the sliding clamping rod 301. The spring one 305 made of high-quality spring steel and subjected to a special heat treatment process is sleeved outside the sliding clamping rod 301, the outer diameter of the spring one 305 is designed according to the size of the sliding clamping rod 301 and the cavity 303, the bottom gear box body 1 is slidably connected with the limiting rod 306 outside, which slides in the guide groove along with the sliding clamping rod 301, thereby preventing the sliding clamping rod 301 from deviating or shaking. When the sliding clamping rod 301 slides in the top gear box body 2, the components work cooperatively, thereby ensuring the stable operation of the dismounting mechanism 3.

[0047] Referring to Figures 3 to 5The outer right side of the lubricating shell 402 is fixedly connected with the pump body 405, the pump body 405 is internally provided with a precise gear pump structure, is subjected to quenching and grinding treatment, has the characteristics of high hardness and low wear, can efficiently pump out the lubricating oil in the lubricating shell 402, the drive end of the pump body 405 is fixedly connected with the oil injection pipe 406, the end of the oil injection pipe 406 is provided with a high-precision oil nozzle, the spray hole of the oil nozzle is finely processed, can uniformly spray the lubricating oil to the part needing lubrication, the inside of the bottom gear box body 1 is rotatably connected with the spline shaft two 9, the outer diameter of the spline shaft two 9 is designed according to the requirements of transmission torque and speed, the surface of the spline shaft two 9 is subjected to nitriding treatment, improves its hardness and wear resistance, the outside of the spline shaft two 9 is fixedly connected with the driven gear 10, the number of teeth of the driven gear 10 is designed according to the requirements of transmission ratio, the tooth surface of the driven gear 10 is subjected to gear grinding processing, ensures the stability and precision of gear transmission, the outside of the spline shaft one 5 is fixedly connected with the driving gear 8, the outer diameter of the driving gear 8 is generally smaller than that of the driven gear 10, to realize the adjustment of speed, the outside of the driving gear 8 is precisely meshed with the outside of the driven gear 10, to ensure the efficient transmission of power and the stability of transmission, the outside of the driving gear 8 is meshed with the outside of the driven gear 10, the outside of the sliding clamping rod 301 is slidably connected in the inside of the cavity 303, the outside of the limiting rod 306 is clamped with the inside of the sliding clamping rod 301, one end of the spring one 305 is fixedly connected in the inside of the cavity 303, the other end of the spring one 305 is fixedly connected with the outside of the limiting plate 304.

[0048] Specifically, the pump body 405 fixed on the right side of the lubricating shell 402, by virtue of the precise gear pump structure in the inside which is subjected to quenching and grinding treatment, efficiently pumps out the lubricating oil in the shell, the oil injection pipe 406 with the oil nozzle of fine processing at the end connected with the drive end of the pump body 405 uniformly sprays the lubricating oil to the lubricating part. In terms of transmission, the spline shaft two 9 rotating in the bottom gear box body 1, the outer diameter is designed according to the requirements of transmission torque and speed and is subjected to nitriding treatment, the driven gear 10 fixed outside according to the transmission ratio and subjected to gear grinding processing, the driving gear 8 outside the spline shaft one 5 with smaller outer diameter is precisely meshed with the driven gear 10, to realize the adjustment of speed and the efficient and stable transmission of power, in addition, the sliding clamping rod 301 slides in the cavity 303, the position is locked and adjusted by the limiting rod 306, the spring one 305 and the limiting plate 304.

[0049] Working principle: when disassembling the box, pull the limiting rod 306, so that the spring 305 is separated from the sliding card rod 301, and then the sliding card rod 301 can be unlocked, pull the fixed plate 302, and the fixed plate 302 makes the fixed plate 302 drive the sliding card rod 301 to slide outside the top gear box 2, and then the limiting plate 304 can slide inside the cavity 303, and then the limiting plate 304 can extrude the spring 305, so that the spring 305 deforms, and the sliding card rod 301 is separated from the bottom gear box 1, and then the whole can be disassembled, when installing the whole, loosen the sliding card rod 301, so that the spring 305 rebounds, and then the sliding card rod 301 can be clamped with the recess of the bottom gear box 1, and then the limiting rod 306 can be clamped with the sliding card rod 301, and then the whole can be installed.

[0050] When the gear is quantitatively lubricated, oil is injected into the inside of the oil injection pipe 406, and then the pump body 405 can make the lubricating oil enter the inside of the lubricating shell 402, and then the lubricating oil can be transported by the baffle 404, and then the lubricating oil can enter the inside of the top gear box 2 through the lubricating shell 402, so that the gear can be transmitted to the nearby gear during rotation, and then the self-lubrication of the gear can be realized.

[0051] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A magnetically actuated electric forklift gear box comprising a bottom gear box body (1), characterized in that: The bottom gear box (1) is fixedly connected with a top gear box (2), a plurality of disassembly mechanisms (3) are slidably connected to the outside of the top gear box (2), a quantitative lubricating mechanism (4) is fixedly connected to the top of the top gear box (2), a spline shaft one (5) is rotatably connected to the outside of the bottom gear box (1), a permanent magnet (6) is fixedly connected to the outside of the spline shaft one (5), and a double-stage spring (7) is fixedly connected to the outside of the permanent magnet (6). The disassembly mechanism (3) comprises a sliding clamping rod (301), a fixed plate (302) is fixedly connected to the outside top end of the sliding clamping rod (301), a cavity (303) is formed in the inside of the bottom gear box (1), a reset assembly is slidably connected to the inside of the cavity (303), a limiting rod (306) is slidably connected to the outside of the bottom gear box (1), and the outside of the sliding clamping rod (301) is slidably connected in the inside of the top gear box (2).

2. The magnetically actuated electric fork truck gear case of claim 1, wherein: The reset assembly comprises a limiting plate (304), a spring one (305) is sleeved on the outside of the sliding clamping rod (301), and the outside of the limiting plate (304) is slidably connected in the inside of the cavity (303).

3. The magnetically actuated electric fork truck gear case of claim 1, wherein: The quantitative lubricating mechanism (4) comprises a mounting plate (401), a lubricating shell (402) is fixedly connected to the inside of the mounting plate (401), a connecting shaft (403) is rotatably connected to the inside of the lubricating shell (402), baffles (404) are fixedly connected to the upper and lower ends of the connecting shaft (403), and the outside of the mounting plate (401) is fixedly connected to the top of the top gear box (2).

4. The magnetically actuated electric fork truck gear case of claim 3, wherein: A pump body (405) is fixedly connected to the outside right side of the lubricating shell (402), and an oil injection pipe (406) is fixedly connected to the driving end of the pump body (405).

5. The magnetically actuated electric fork truck gear case of claim 1, wherein: A spline shaft two (9) is rotatably connected to the inside of the bottom gear box (1), and a driven gear (10) is fixedly connected to the outside of the spline shaft two (9).

6. The magnetically actuated electric fork truck gear case of claim 5, wherein: A driving gear (8) is fixedly connected to the outside of the spline shaft one (5), and the outside of the driving gear (8) is in meshing connection with the outside of the driven gear (10).

7. The magnetically actuated electric fork truck gear case of claim 1, wherein: The outside of the limiting rod (306) is clamped with the inside of the sliding clamping rod (301).

8. The magnetically actuated electric fork truck gear case of claim 2, wherein: One end of the spring one (305) is fixedly connected to the inside of the cavity (303), and the other end of the spring one (305) is fixedly connected to the outside of the limiting plate (304).

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