CN215662930U

CN215662930U - Wheel motor device for forklift

Info

Publication number: CN215662930U
Application number: CN202122166764.6U
Authority: CN
Inventors: 王玉庭; 王永玲; 袁洪凯
Original assignee: Dalian Puman Transmission Equipment Co ltd
Current assignee: Dalian Puman Transmission Equipment Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-01-28
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a wheel motor device for a forklift, which belongs to the technical field of forklifts and comprises a protective cylinder, wherein a motor is placed in the protective cylinder, intermediate shafts are arranged at two ends of the motor, wheels are fixedly connected with one ends of the two intermediate shafts, sleeves are fixedly arranged at two ends of the bottom end of the protective cylinder, movable columns are slidably arranged in the sleeves, sliding sleeves are fixedly arranged at the top ends of the two movable columns, and a pressure sensor is fixedly arranged in the middle of the top end of each sliding sleeve. According to the utility model, the protection cylinder is arranged outside the motor, so that the problem of loss caused by dust and the like entering the coupler and the motor is solved, the sleeve, the movable column and the touch plate are arranged at two ends of the bottom end of the protection cylinder, so that the forklift obliquely contacts the movable column to move upwards through the touch plate when the forklift works on bumpy roads or roads containing obstacles, and the pressure sensor is extruded by the buffer spring to judge that the forklift and the motor are damaged on bumpy roads or roads containing obstacles, so that the forklift and the motor are prevented from being worn.

Description

Wheel motor device for forklift

Technical Field

The utility model relates to the technical field of forklifts, in particular to a wheel motor device for a forklift.

Background

The forklift is an industrial carrying vehicle, is various wheel type carrying vehicles for carrying out loading, unloading, stacking and short-distance transportation operation on finished pallet goods, is commonly used for transporting large storage objects, and is usually driven by using a fuel engine or a battery; industrial transportation vehicles are widely used in ports, stations, airports, cargo yards, factory workshops, warehouses, distribution centers, and the like, and are equipments essential for carrying and loading/unloading pallet goods in cabins, carriages, and containers.

The technical parameters of the forklift are used for indicating the structural characteristics and the working performance of the forklift, and the main technical parameters comprise rated lifting capacity, load center distance, maximum lifting height, gantry inclination angle, maximum running speed, minimum turning radius, minimum ground clearance, wheel base and the like; fork truck relies on the motor to removing, and current wheel motor device for fork truck is not provided with protection machanism, leads to the road surface to jolt to the damage of motor or the wearing and tearing scheduling problem of dust to the bearing more serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a wheel motor device for a forklift.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a wheel motor device for fork truck, includes a protection section of thick bamboo, the inside motor of having placed of a protection section of thick bamboo, and the motor both ends are provided with jackshaft, two jackshaft one end fixedly connected with wheel, protection section of thick bamboo bottom both ends fixed mounting has the sleeve, and the inside slidable mounting of sleeve has movable post, two the equal fixed mounting in activity capital end has the sliding sleeve, and fixed mounting has pressure sensor in the middle of the sliding sleeve top, and pressure sensor top fixed mounting has buffer spring, two activity capital end slope fixed mounting has the touch panel, and touch panel bottom fixed mounting has the block rubber of a plurality of equidistances, fixed mounting has the support section of thick bamboos that is the circumference array between protection section of thick bamboo inner wall and the motor outer wall.

Preferably, the protective cylinder is made of a metal material, and an electrostatic dust-proof layer is attached to the outer wall of the protective cylinder.

Preferably, a first vertical rod, a return spring and a second vertical rod are arranged inside the supporting cylinder, opposite ends of the first vertical rod and the second vertical rod are respectively and fixedly provided with a first magnetic block and a second magnetic block, and far ends of the first vertical rod and the second vertical rod are respectively and fixedly connected with the inner wall of the protective cylinder and the outer wall of the motor.

Preferably, the rigidity coefficient of the supporting cylinder is larger than the rigidity coefficients of the first vertical rod and the second vertical rod, and the first magnetic block and the second magnetic block are mutually attracted.

Preferably, a plurality of the rubber blocks are semi-elliptical, and the outer walls of the rubber blocks are provided with wear-resistant layers.

Preferably, the touch panel is made of a memory alloy material, and the outer wall of the top end of the touch panel is coated with an anti-adhesion layer.

Preferably, a plurality of bar holes have been seted up to the peripheral outer wall of protective cylinder, and bar downthehole portion from interior and set gradually heat transfer piece, filter element and net piece outward, the ventilation hole has been seted up to the heat transfer piece outer wall, and the net piece is made for metal material, and is a plurality of the bar hole is 120 fan-shaped, and a plurality of bar holes use the motor top to spread to its both ends as the center.

The utility model has the beneficial effects that:

1. according to the wheel motor device for the forklift, the protection barrel is arranged on the outer side of the motor, so that the problem that dust and the like enter the coupler and the motor to cause loss of the coupler and the motor is solved, the sleeve, the movable column and the touch plate are arranged at the two ends of the bottom end of the protection barrel, so that the forklift obliquely contacts the movable column to move upwards through the touch plate when the forklift works on bumpy roads or roads with obstacles, the pressure sensor is extruded by the buffer spring to judge that the forklift and the motor can be damaged on the bumpy roads or roads with obstacles, and the forklift and the motor are prevented from being worn.

2. According to the wheel motor device for the forklift, the protective cylinder is made of the metal material, so that external impact is effectively blocked, heat generated by the motor is dissipated in an all-around mode, the static dust-proof layer is attached to the outer wall of the protective cylinder, and the situation that a large amount of dust is accumulated on the surface of the protective cylinder along with the movement of the forklift and further the heat dissipation effect is affected is avoided.

3. According to the wheel motor device for the forklift, the supporting cylinders in the circumferential array are fixedly arranged between the inner wall of each protecting cylinder and the outer wall of the motor, the rigidity coefficient of each supporting cylinder is larger than that of each first vertical rod and each second vertical rod, and the first magnetic blocks and the second magnetic blocks are mutually attracted, so that the motor and the protecting cylinders are elastically connected, different working pavements can be better handled, and damage to the motor is avoided.

4. The wheel motor device for the forklift is in a fan shape with 120 degrees through the plurality of strip-shaped holes, the plurality of strip-shaped holes are diffused towards two ends of the motor by taking the top end of the motor as the center, the strip-shaped holes are prevented from being over against the direction of dust sources, the heat transfer sheets, the filter sheets and the net sheets are sequentially arranged inside the holes from inside to outside, the outer walls of the heat transfer sheets are provided with the vent holes, the net sheets are made of metal materials, the effects of heat transfer, air convection and dust filtration are achieved, and dust is prevented from entering the interior of the protective cylinder.

Drawings

Fig. 1 is a schematic structural view of a wheel motor device for a forklift truck according to the present invention;

fig. 2 is a schematic side view of a wheel motor apparatus touch panel for a forklift according to the present invention;

fig. 3 is a schematic side view of a wheel motor apparatus support cylinder for a forklift according to the present invention;

fig. 4 is a schematic structural view of a wheel motor device protective sleeve for a forklift truck according to embodiment 2 of the present invention.

In the figure: the device comprises wheels 1, support cylinders 2, an intermediate shaft 3, a motor 4, a sleeve 5, a rubber block 6, a touch plate 7, a movable column 8, a protective cylinder 9, a sliding sleeve 10, a pressure sensor 11, a buffer spring 12, a first upright rod 13, a first magnetic block 14, a return spring 15, a second magnetic block 16, a second upright rod 17, a heat transfer sheet 18, a filter sheet 19 and a mesh sheet 20.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a wheel motor device for fork truck, including a protection section of thick bamboo 9, motor 4 has been placed to protection section of thick bamboo 9 inside, and motor 4 both ends are provided with

jackshaft

3, 3 one end fixedly connected with wheels 1 of two jackshafts, 9 bottom both ends fixed mounting of a protection section of thick bamboo have sleeve 5, and the inside slidable mounting of sleeve 5 has movable post 8, the equal fixed mounting in 8 tops of two movable posts has sliding sleeve 10, and fixed mounting has pressure sensor 11 in the middle of the sliding sleeve 10 top, 11 top fixed mounting of pressure sensor has

buffer spring

12, 8 bottom slope fixed mounting of two movable posts has touch panel 7, and touch panel 7 bottom fixed mounting has a plurality of equidistant rubber blocks 6, fixed mounting has a support section of thick bamboo 2 that is the circumference array between protection section of thick bamboo 9 inner wall and the 4 outer walls of motor.

In the utility model, the protection cylinder 9 is made of metal materials, so that external impact is effectively blocked, heat generated by the motor 4 is radiated in all directions, and the static dust-proof layer is attached to the outer wall of the protection cylinder 9, so that the phenomenon that a large amount of dust is accumulated on the surface of the protection cylinder 9 along with the movement of a forklift and the radiating effect is influenced is avoided;

a first vertical rod 13, a return spring 15 and a second vertical rod 17 are arranged in the supporting cylinder 2, opposite ends of the first vertical rod 13 and the second vertical rod 17 are respectively and fixedly provided with a first magnetic block 14 and a second magnetic block 16, and far ends of the first vertical rod 13 and the second vertical rod 17 are respectively and fixedly connected with the inner wall of the protective cylinder 9 and the outer wall of the motor 4;

the rigidity coefficient of the supporting cylinder 2 is larger than the rigidity coefficients of the first vertical rod 13 and the second vertical rod 17, and the first magnetic block 14 and the second magnetic block 16 are mutually attracted;

the rubber blocks 6 are semi-elliptical, so that the partial pressure area is increased conveniently when the rubber blocks are in contact with obstacles, the movable rod 8 is prevented from deforming due to the fact that the forklift moves at a high speed, and the outer walls of the rubber blocks 6 are provided with the wear-resistant layers, so that the abrasion of the rubber blocks 6 is reduced;

the touch plate 7 is made of memory alloy materials, so that the touch plate can be quickly reset when being conveniently impacted on a special-shaped obstacle, frequent replacement of the touch plate 7 is avoided, the outer wall of the top end of the touch plate 7 is coated with an anti-sticking layer, and the accumulated dust can automatically slide downwards conveniently.

The working principle is as follows: the protection cylinder 9 is arranged on the outer side of the motor 4, so that the problem that dust and the like enter the coupler and the motor 4 to cause loss of the coupler and the motor is solved, the sleeve 5, the movable column 8 and the touch plate 7 are arranged at two ends of the bottom end of the protection cylinder 9, so that the forklift obliquely contacts the movable column 8 through the touch plate 7 to move upwards when the forklift works on bumpy roads or roads containing obstacles, the pressure sensor 11 is extruded by the buffer spring 12 to judge that the forklift and the motor 4 can be damaged on the bumpy roads or roads containing obstacles, and the forklift and the motor 4 are prevented from being worn;

the protection cylinder 9 is made of metal materials, so that external impact is effectively blocked, heat generated by the motor 4 is dissipated in an all-around mode, and the static dust prevention layer is attached to the outer wall of the protection cylinder 9, so that the situation that a large amount of dust is accumulated on the surface of the protection cylinder 9 along with the movement of a forklift and further the heat dissipation effect is influenced is avoided;

through fixed mounting between the inner wall of the protective cylinder 9 and the outer wall of the motor 4, the supporting cylinder 2 in a circumferential array is arranged, the rigidity coefficient of the supporting cylinder 2 is larger than the rigidity coefficients of the first vertical rod 13 and the second vertical rod 17, and the first magnetic block 14 and the second magnetic block 16 attract each other, so that the motor 4 and the protective cylinder 9 are elastically connected, and further different working road surfaces can be better handled, and damage to the motor 4 can be avoided.

Example 2

Referring to fig. 4, a wheel motor device for fork truck, further, a plurality of bar holes have been seted up to a 9 circumference outer wall of protection section of thick bamboo, and bar downthehole portion has set gradually heat transfer piece 18, filter element 19 and net piece 20 from inside to outside, and the ventilation hole has been seted up to heat transfer piece 18 outer wall, and net piece 20 is made for metal material, and a plurality of bar holes are 120 fan-shaped, and a plurality of bar holes use motor 4 top as the center to its both ends diffusion.

The working principle is as follows: be 120 fan-shaped form through a plurality of bar holes, a plurality of bar holes use 4 tops of motor to its both ends diffusion as the center, avoid the bar hole just to dust source direction, and the downthehole portion of shape has set gradually heat transfer piece 18 from inside to outside, filter element 19 and net piece 20, and the ventilation hole has been seted up to 18 outer walls of heat transfer piece, and net piece 20 is made for metal material, has the effect of heat transfer, air convection, strain dirt concurrently, avoids the dust to get into inside the protective barrel 9.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a wheel motor device for fork truck, includes a protection section of thick bamboo (9), motor (4) have been placed to protection section of thick bamboo (9) inside, and motor (4) both ends are provided with jackshaft (3), two jackshaft (3) one end fixedly connected with wheel (1), its characterized in that, protection section of thick bamboo (9) bottom both ends fixed mounting has sleeve (5), and sleeve (5) inside slidable mounting has movable post (8), two the equal fixed mounting in activity post (8) top has sliding sleeve (10), and fixed mounting has pressure sensor (11) in the middle of sliding sleeve (10) top, and pressure sensor (11) top fixed mounting has buffer spring (12), two movable post (8) bottom slope fixed mounting has touch panel (7), and touch panel (7) bottom fixed mounting has a plurality of equidistance block rubber (6), fixed mounting has a support section of thick bamboo (4) that is the circumference array between protection section of thick bamboo (9) inner wall and motor (4) outer wall (9) 2).

2. The wheel motor device for forklift according to claim 1, wherein the protective cylinder (9) is made of metal material, and an electrostatic dust-proof layer is attached to an outer wall of the protective cylinder (9).

3. The wheel motor device for the forklift as recited in claim 1, wherein the supporting cylinder (2) is internally provided with a first vertical rod (13), a return spring (15) and a second vertical rod (17), opposite ends of the first vertical rod (13) and the second vertical rod (17) are respectively and fixedly provided with a first magnetic block (14) and a second magnetic block (16), and far ends of the first vertical rod (13) and the second vertical rod (17) are respectively and fixedly connected with an inner wall of the protecting cylinder (9) and an outer wall of the motor (4).

4. A wheel motor arrangement for a forklift truck as claimed in claim 3, characterised in that the stiffness coefficient of the supporting cylinder (2) is greater than the stiffness coefficients of the first upright (13) and the second upright (17), and the first magnet (14) and the second magnet (16) attract each other.

5. A wheel motor apparatus for a forklift according to claim 1, wherein a plurality of said rubber blocks (6) are semi-elliptical and the outer walls of the rubber blocks (6) are provided with a wear resistant layer.

6. The wheel motor device for forklift according to claim 1, wherein the touch panel (7) is made of memory alloy material, and the outer wall of the top end of the touch panel (7) is coated with a non-stick layer.

7. The wheel motor device of claim 1, wherein a plurality of strip holes are formed in the circumferential outer wall of the protective cylinder (9), a heat transfer sheet (18), a filter sheet (19) and a mesh sheet (20) are sequentially arranged inside the strip holes from inside to outside, the outer wall of the heat transfer sheet (18) is provided with a ventilation hole, the mesh sheet (20) is made of a metal material, the plurality of strip holes are in a fan shape of 120 degrees, and the plurality of strip holes are diffused to the two ends of the motor (4) by taking the top end of the motor as the center.