CN210706871U - Driving wheel with variable gear - Google Patents

Abstract

The utility model discloses a drive wheel of variable shelves, the power distribution box comprises a box body, the inside below left side rigid coupling of box has the motor, the output shaft right side of motor is equipped with power component, power component passes through supporting component and links to each other with the box activity, two drive wheels are installed to power component's left end top outer wall, power component's right side internally mounted has the gear shifting subassembly. This variable-gear driving wheel, through the rack, the drive wheel, first pivot, first gear, the second gear, the pneumatic cylinder, the pneumatic rod, cooperation between second pivot and the trachea, the problem of current drive wheel not having the operating function of gear shift speed governing that can carry out has been solved, through the motor, the third pivot, first sleeve, the connecting rod, first bevel gear, second bevel gear, first pivot, the cooperation between second sleeve and the slider, do not influence the transmission between first bevel gear and the second bevel gear, the problem that the gear shift in-process needs power component to carry out synchronous motion and leads to easy impaired has been solved.

Description

Driving wheel with variable gear

Technical Field

The utility model relates to a drive wheel technical field specifically is a drive wheel of variable shelves.

Background

In the existing equipment, the mode of moving and carrying the equipment by using the base is common, wherein the base with the driving wheel is used for carrying, so that the physical strength of an operator can be saved, and the base of the driving wheel is more popular among eyes of the operator.

Disclosure of Invention

An object of the utility model is to provide a variable-gear drive wheel to the existence drive wheel that proposes in solving above-mentioned background art does not have the problem that can carry out variable-gear speed governing operation function, still has the variable-gear in-process simultaneously and needs power component to carry out synchronous motion and lead to easy impaired problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drive wheel of variable shelves, includes the box, the inside below left side rigid coupling of box has the motor, the output shaft right side of motor is equipped with power component, power component passes through supporting component and box activity and links to each other, two drive wheels are installed to power component's left end top outer wall, power component's right side internally mounted has the subassembly of shifting.

Preferably, the power assembly comprises a third rotating shaft, a first vertical plate, a first spring, a first sleeve, a first bevel gear, a second bevel gear, a first gear, a rack, a first rotating shaft, a second rotating shaft and a second gear, the left side of the third rotating shaft is fixedly connected with an output shaft of the motor, the outer wall of the right side of the third rotating shaft is provided with the first sleeve, the first sleeve is in clearance fit with the third rotating shaft, the left side of the outer wall of the third rotating shaft is fixedly connected with the first vertical plate, the right side of the first vertical plate is provided with the first spring, the left side and the right side of the first spring are respectively fixedly connected with the first vertical plate and the first sleeve, the right end of the first sleeve is fixedly connected with the first bevel gear, the second bevel gear is arranged above the right side of the first bevel gear, the first bevel gear is mutually engaged with the second bevel gear, the first rotating shaft is fixedly connected inside the second, the outer wall of first pivot is equipped with six first gears, the outer wall of first gear passes through the rack and rotates with the second gear and link to each other, the inside rigid coupling of second gear has the second pivot, the top outer wall rigid coupling of second pivot has two drive wheels.

Preferably, the third rotating shaft is in the shape of a square rod.

Preferably, the six first gears are distributed in a centrosymmetric manner by taking the center of the circle of the section of the first rotating shaft as a reference.

Preferably, the gear shifting assembly comprises a pneumatic cylinder, a pneumatic rod, a pin shaft, an air pipe, an air groove, a piston and a sealing bearing, the pneumatic cylinder is fixedly connected to the upper side and the lower side of the outer wall of the upper portion of the first rotating shaft respectively, the piston is arranged on the pneumatic cylinder, the pneumatic rod is fixedly connected to the outer side of the piston, the pneumatic rod and the piston are attached to the pneumatic cylinder, the outer side of the pneumatic rod is connected with the first gear through the pin shaft in a rotating mode, the air groove is formed in the inner portion of the first rotating shaft, the air pipe is communicated with the inner side of the pneumatic cylinder through the air groove, and the outer wall of the air pipe is connected with the first rotating shaft through the sealing bearing in.

Preferably, the supporting component comprises a second vertical plate, a sliding block, a first transverse plate, a second sleeve, a transverse rod, a second bearing, a second transverse plate, a second spring, a first bearing, a third bearing, a connecting rod and a fourth bearing, the inside of the second vertical plate is rotatably connected with the first sleeve through the third bearing, the two first transverse plates and the second transverse plate are respectively positioned at the upper side and the lower side of the outer wall above the first rotating shaft and the second rotating shaft, the inside of the first transverse plate is rotatably connected with the first rotating shaft through the first bearing, the inside of the second transverse plate is rotatably connected with the second rotating shaft through the second bearing, the right end of the second transverse plate is fixedly connected with the transverse rod, the left end of the second transverse plate is fixedly connected with the second sleeve, the second sleeve is in clearance fit with the transverse rod, the right side of the inside of the second sleeve is provided with the second spring, the left side and the right side of the second spring are respectively fixedly connected with the transverse rod and the second sleeve, and the second sleeve is fixedly connected with the second vertical plate through a connecting rod, the outer walls of the upper side and the lower side of the first rotating shaft are rotatably connected with the sliding block through fourth bearings, and the sliding block is in sliding clamping connection with the box body.

Compared with the prior art, the beneficial effects of the utility model are that: the driving wheel with the variable gear comprises a rack, a driving wheel, a first rotating shaft, a first gear, a second gear, a pneumatic cylinder, a pneumatic rod and a gas pipe, wherein the gas pipe is used for injecting gas into the first rotating shaft to change the transmission ratio between the first gear and the second gear, the problem that the conventional driving wheel does not have the operation function of variable gear and speed regulation is solved, and the driving wheel can realize the synchronous movement of the first sleeve and the second sleeve through the connecting rod in the gear shifting process without influencing the transmission between the first bevel gear and the second bevel gear and solve the problem that the power assembly is required to perform synchronous movement to cause easy damage in the gear shifting process.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the first gear, the second gear and the rack of FIG. 1;

FIG. 3 is a schematic view of the first bearing, the fourth bearing and the housing of FIG. 1;

fig. 4 is a schematic view of the structure of fig. 1 at the second riser, third bearing and tie rod.

In the figure: 1. the device comprises a box body, 2, a power assembly, 201, a third rotating shaft, 202, a first vertical plate, 203, a first spring, 204, a first sleeve, 205, a first bevel gear, 206, a second bevel gear, 207, a first gear, 208, a rack, 209, a first rotating shaft, 210, a second rotating shaft, 211, a second gear, 3, a shifting assembly, 301, a pneumatic cylinder, 302, a pneumatic rod, 303, a pin shaft, 304, an air pipe, 305, an air groove, 306, a piston, 307, a sealing bearing, 4, a supporting assembly, 401, a second vertical plate, 402, a sliding block, 403, a first transverse plate, 404, a second sleeve, 405, a transverse rod, 406, a second bearing, 407, a second transverse plate, 408, a second spring, 409, a first bearing, 410, a third bearing, 411, a connecting rod, 412, a fourth bearing, 5, a driving wheel, 6 and a motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a drive wheel that can shift, includes box 1, the inside below left side rigid coupling of box 1 has motor 6, and box 1 can support motor 6, and motor 6's model is BLD-09, and motor 6's output shaft right side is equipped with power component 2, and power component 2 passes through supporting component 4 and links to each other with box 1 activity, and two drive wheels 5 are installed to the left end top outer wall of power component 2, and power component 2's right side internally mounted has the subassembly 3 that shifts.

The power assembly 2 comprises a third rotating shaft 201, a first vertical plate 202, a first spring 203, a first sleeve 204, a first bevel gear 205, a second bevel gear 206, a first gear 207, a rack 208, a first rotating shaft 209, a second rotating shaft 210 and a second gear 211, wherein the left side of the third rotating shaft 201 is fixedly connected with an output shaft of the motor 6, the output shaft of the motor 6 can drive the third rotating shaft 201 to rotate, the outer wall of the right side of the third rotating shaft 201 is provided with the first sleeve 204, the third rotating shaft 201 can move in the first sleeve 204, the first sleeve 204 is in clearance fit with the third rotating shaft 201, the left side of the outer wall of the third rotating shaft 201 is fixedly connected with the first vertical plate 202, the third rotating shaft 201 can drive the first vertical plate 202 to rotate, the right side of the first vertical plate 202 is provided with the first spring 203, the elastic coefficient K of the first spring 203 is 500N/m, the left side and the right side of the first spring 203 are respectively fixedly connected with the first vertical plate 202 and the first, the first sleeve 204 moves leftwards to press the first spring 203, a first bevel gear 205 is fixedly connected to the right end of the first sleeve 204, the first sleeve 204 can drive the first bevel gear 205 to rotate, a second bevel gear 206 is arranged above the right side of the first bevel gear 205, the first bevel gear 205 is meshed with the second bevel gear 206, the first bevel gear 205 can drive the second bevel gear 206 to rotate, a first rotating shaft 209 is fixedly connected to the inside of the second bevel gear 206, the second bevel gear 206 can drive the first rotating shaft 209 to rotate, six first gears 207 are arranged on the outer wall of the first rotating shaft 209 to limit the relative positions of the first gear 207 and the first rotating shaft 209, the outer wall of the first gear 207 is rotatably connected with the second gear 211 through a rack 208, the first gear 207 can drive the second gear 211 to rotate through the rack 208, a second rotating shaft 210 is fixedly connected to the inside of the second gear 211, and the second gear 211 can drive the second rotating shaft 210 to rotate, two driving wheels 5 are fixedly connected to the outer wall of the upper portion of the second rotating shaft 210, the driving wheels 5 can be driven to rotate through the second rotating shaft 210, the third rotating shaft 201 is square, the third rotating shaft 201 can drive the first sleeve 204 to rotate through the characteristics of the third rotating shaft 201, the six first gears 207 are distributed in a central symmetry mode by taking the center of the circle of the cross section of the first rotating shaft 209 as a reference, and the first rotating shaft 209 can drive the first gears 207 to rotate synchronously.

The gear shifting component 3 comprises a pneumatic cylinder 301, a pneumatic rod 302, a pin shaft 303, an air pipe 304, an air groove 305, a piston 306 and a sealing bearing 307, wherein the pneumatic cylinders 301 are respectively fixedly connected to the upper side and the lower side of the outer wall above the first rotating shaft 209, the model of the pneumatic cylinder 301 is a DSBC type pneumatic cylinder, the pneumatic cylinders 301 are respectively provided with the piston 306, the outer sides of the pistons 306 are respectively fixedly connected with the pneumatic rod 302, the pistons 306 can drive the pneumatic rod 302 to move, the pneumatic rod 302 and the piston 306 are respectively attached to the pneumatic cylinder 301, the pneumatic rod 302 and the piston 306 can move in the pneumatic cylinder 301 and ensure relative sealing in the moving process, the outer sides of the pneumatic rod 302 are respectively rotatably connected with the first gear 207 through the pin shaft 303, the pneumatic rod 302 can drive the first gear 207 to move through the pin shaft 303, the air groove 305 is processed in the first rotating shaft 209, the air pipe 304 is communicated with the inner side of the, an external air pump can perform air injection and exhaust treatment on the inner side space of the pneumatic cylinder 301 through the air cylinder 304 and the air groove 305, the outer wall of the air pipe 304 is rotatably connected with the first rotating shaft 209 through the sealing bearing 307, and the air pipe 304 can rotatably support the first rotating shaft 209 through the sealing bearing 307.

The supporting component 4 comprises a second vertical plate 401, a sliding block 402, a first transverse plate 403, a second sleeve 404, a cross bar 405, a second bearing 406, a second transverse plate 407, a second spring 408, a first bearing 409, a third bearing 410, a connecting rod 411 and a fourth bearing 412, wherein the inside of the second vertical plate 401 is rotatably connected with the first sleeve 204 through the third bearing 410, the second vertical plate 401 can rotatably support the first sleeve 204 through the third bearing 410, the two first transverse plate 403 and the second transverse plate 407 are respectively positioned at the upper and lower sides of the upper outer walls of the first rotating shaft 209 and the second rotating shaft 210 to limit the relative positions between the first transverse plate 407 and the second transverse plate 407 and the first rotating shaft 209 and the second rotating shaft 210, the inside of the first transverse plate 403 is rotatably connected with the first rotating shaft 209 through the first bearing 409, the first transverse plate 403 can rotatably support the first rotating shaft 209 through the first bearing 409, the inside of the second transverse plate 407 is rotatably connected with the second rotating shaft 210 through the second bearing 406, the second horizontal plate 407 can rotatably support the second rotating shaft 210 through the second bearing 406, the right ends of the second horizontal plates 407 are fixedly connected with a cross bar 405, the second horizontal plates 407 can support the cross bar 405, the left ends of the second horizontal plates 407 are fixedly connected with a second sleeve 404, the second horizontal plates 407 can support the second sleeve 404, the second sleeve 404 and the cross bar 405 are in clearance fit, the cross bar 405 can move inside the second sleeve 404, a second spring 408 is arranged on the right side inside the second sleeve 404, the elastic coefficient K of the second spring 408 is 500N/m, the left side and the right side of the second spring 408 are respectively fixedly connected with the cross bar 405 and the second sleeve 404, the second sleeve 404 can extrude the second spring 408 when moving to the left, the lower second sleeve 404 is fixedly connected with the second riser 401 through a connecting rod 411, the second sleeve 404 can drive the second riser 401 to move through the connecting rod 411, the upper and lower outer walls of the first rotating shaft 209 are rotatably connected with the sliding block 402 through a fourth bearing 412, the slider 402 can rotatably support the first rotating shaft 209 through the fourth bearing 412, the slider 402 is slidably engaged with the cassette 1, and the cassette 1 can limit the moving position of the slider 402.

When the gear-shifting driving wheel is required to be used, an operator can install the equipment below a device needing to be driven, then the motor 6 is started, the output shaft of the motor 6 can drive the first sleeve 204 to rotate through the third rotating shaft 201, then the first sleeve 204 can drive the first rotating shaft 209 to rotate through the first bevel gear 205 and the second bevel gear 206, the first rotating shaft 209 can drive the six first gears 207 on the surface to rotate to drive the rack 208 and the second gear 211 to rotate, then the second gear 211 can drive the two driving wheels 5 to rotate through the second rotating shaft 210 to realize the purpose of driving an external device to move, when the gear-shifting adjustment is required, only the external is started, gas is injected into the gas groove 305 through the gas pipe 304, so that the internal pressure of the gas groove 305 is increased, the piston 306 and the gas pressure rod 302 are ejected outwards, so that the six first gears 207 extend outwards by taking the axis of the first rotating shaft 209 as the center, at this time, the rack 208 is forced to move outwards, the first rotating shaft 209 can move leftwards to ensure that the surface of the rack 208 is stressed, the first spring 203 and the second spring 408 can be simultaneously extruded at this time, and the size inner diameter of the right side of the rack 208 is increased at this time, so that the original normal rotating speed of the first rotating shaft 209 can drive more gear teeth on the inner side of the rack 208 to rotate, the gear shifting acceleration operation of the second gear 210 and the driving wheel 5 is realized, if the initial speed needs to be recovered, an external air pump can be used for pumping out air injected into the air groove 305 through the air pipe 304, and the elastic force accumulated by the extrusion of the first spring 203 and the second spring 407 drives the whole device to reset.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a variable-gear driving wheel, includes box (1), its characterized in that: the inside below left side rigid coupling of box (1) has motor (6), the output shaft right side of motor (6) is equipped with power component (2), power component (2) link to each other with box (1) activity through supporting component (4), two drive wheels (5) are installed to the left end top outer wall of power component (2), the right side internally mounted of power component (2) has gear shifting subassembly (3).

2. The variable speed drive wheel according to claim 1, wherein: the power assembly (2) comprises a third rotating shaft (201), a first vertical plate (202), a first spring (203), a first sleeve (204), a first bevel gear (205), a second bevel gear (206), a first gear (207), a rack (208), a first rotating shaft (209), a second rotating shaft (210) and a second gear (211), wherein the left side of the third rotating shaft (201) is fixedly connected with an output shaft of the motor (6), the outer wall of the right side of the third rotating shaft (201) is provided with the first sleeve (204), the first sleeve (204) is in clearance fit with the third rotating shaft (201), the left side of the outer wall of the third rotating shaft (201) is fixedly connected with the first vertical plate (202), the right side of the first vertical plate (202) is provided with the first spring (203), the left side and the right side of the first spring (203) are respectively fixedly connected with the first vertical plate (202) and the first sleeve (204), and the right end of the first sleeve (204) is fixedly connected with the first bevel gear (205), the right side top of first bevel gear (205) is equipped with second bevel gear (206), first bevel gear (205) and second bevel gear (206) intermeshing, the inside rigid coupling of second bevel gear (206) has first pivot (209), the outer wall of first pivot (209) is equipped with six first gears (207), the outer wall of first gear (207) passes through rack (208) and rotates with second gear (211) and link to each other, the inside rigid coupling of second gear (211) has second pivot (210), the top outer wall rigid coupling of second pivot (210) has two drive wheels (5).

3. The variable speed drive wheel according to claim 2, wherein: the third rotating shaft (201) is a square rod.

4. The variable speed drive wheel according to claim 2, wherein: the six first gears (207) are distributed in a centrosymmetric manner by taking the center of the circle of the section of the first rotating shaft (209) as a reference.

5. The variable speed drive wheel according to claim 1, wherein: the gear shifting assembly (3) comprises a pneumatic cylinder (301), a pneumatic rod (302), a pin shaft (303), an air pipe (304), an air groove (305), a piston (306) and a sealing bearing (307), the pneumatic cylinders (301) are fixedly connected to the upper side and the lower side of the upper outer wall of the first rotating shaft (209) respectively, the pneumatic cylinders (301) are respectively provided with a piston (306), the outer sides of the pistons (306) are respectively fixedly connected with a pneumatic rod (302), the pneumatic rod (302) and the piston (306) are both attached to the pneumatic cylinder (301), the outer sides of the pneumatic rods (302) are rotationally connected with the first gear (207) through pin shafts (303), an air groove (305) is processed inside the first rotating shaft (209), the air pipe (304) is communicated with the inner side of the interior of the pneumatic cylinder (301) through the air groove (305), the outer wall of the air pipe (304) is rotatably connected with the first rotating shaft (209) through a sealing bearing (307).

6. The variable speed drive wheel according to claim 1, wherein: the supporting component (4) comprises a second vertical plate (401), a sliding block (402), a first transverse plate (403), a second sleeve (404), a cross rod (405), a second bearing (406), a second transverse plate (407), a second spring (408), a first bearing (409), a third bearing (410), a connecting rod (411) and a fourth bearing (412), the inside of the second vertical plate (401) is rotatably connected with the first sleeve (204) through the third bearing (410), the two first transverse plates (403) and the second transverse plate (407) are respectively positioned at the upper side and the lower side of the outer wall above the first rotating shaft (209) and the second rotating shaft (210), the inside of the first transverse plate (403) is rotatably connected with the first rotating shaft (209) through the first bearing (409), the inside of the second transverse plate (407) is rotatably connected with the second rotating shaft (210) through the second bearing (406), and the right end of the second transverse plate (407) is fixedly connected with the cross rod (405), the equal rigid coupling in left end of second diaphragm (407) has second sleeve (404), second sleeve (404) and the equal clearance fit of horizontal pole (405), the inside right side of second sleeve (404) is equipped with second spring (408), the left and right sides of second spring (408) links to each other with horizontal pole (405) and second sleeve (404) are fixed respectively, the below second sleeve (404) are fixed continuous with second riser (401) through connecting rod (411), the upper and lower both sides outer wall of first pivot (209) all rotates with slider (402) through fourth bearing (412) and links to each other, slider (402) and box (1) slip joint.

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