CN211139307U

CN211139307U - Reverse wheel pressurizing driving device

Info

Publication number: CN211139307U
Application number: CN201921825915.0U
Authority: CN
Inventors: 康琰; 于振涛; 贾乃林
Original assignee: Suzhou Genuocheng Intelligent Technology Co ltd
Current assignee: Suzhou Genuocheng Intelligent Technology Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-31
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a reverse wheel pressurization drive arrangement, include: the driving wheel is arranged on the supporting mechanism and is simultaneously connected with the output end of the motor reducer; a track for the drive wheel to travel, the track comprising a first surface and a second surface, the drive wheel traveling on the first surface; the supporting mechanism is provided with a reverse wheel which runs on the second surface, the reverse wheel can be connected with a pressure adjusting mechanism on the supporting mechanism, and the pressure adjusting mechanism is used for adjusting the pressure of the reverse wheel and the driving wheel on the track. Compared with the prior art, no matter the idle load is different or the light-load roller can stably run under the action of reverse wheel pressurization, and the roller cannot slip.

Description

Reverse wheel pressurizing driving device

Technical Field

The utility model belongs to the technical field of the transportation storage, in particular to stacker actuating mechanism's improvement.

Background

A stacker is a mechanical device used for storing goods in a warehouse, which operates on a pre-designed track. The rails of a general stacker are i-shaped rails which can be arranged according to the walking route of the stacker. The stacker can carry or move the goods on the track so as to realize the functions of transporting, moving and piling the goods.

When the load of the stacker is light and the running speed of the motor exceeds 200 turns/minute, the driving wheel of the stacker is easy to slip on the track due to insufficient friction force, so that the positioning is inaccurate, and errors are generated when the stacker stacks.

SUMMERY OF THE UTILITY MODEL

For solving the stacker and leading to skidding easily when underloading, the inaccurate problem in stacker location, the utility model discloses technical scheme installs reverse wheel pressurization drive arrangement additional on the drive wheel for the stacker drive wheel also can have sufficient pressure when underloading, makes to produce sufficient stiction between drive wheel and the track, even make the drive wheel can not skid when the stacker underloading yet, and the stacker operation is more stable, and the location is more accurate.

Specifically, a reverse wheel pressurizing drive device includes:

the driving wheel is arranged on the supporting mechanism and is simultaneously connected with the output end of the motor reducer;

a track for the drive wheel to travel, the track comprising a first surface and a second surface, the drive wheel traveling on the first surface;

the supporting mechanism is provided with a reverse wheel which runs on the second surface, the reverse wheel can be connected with a pressure adjusting mechanism on the supporting mechanism, and the pressure adjusting mechanism is used for adjusting the pressure of the reverse wheel and the driving wheel on the track.

In a preferred arrangement, the idler wheel is slidably secured to the support mechanism by a slide assembly.

In a preferred scheme, the sliding assembly comprises a sliding block arranged in a sliding groove of the supporting mechanism, and a roller bearing connected with the sliding block, and the roller bearing is connected with the reverse wheel through a transmission shaft.

In a preferred scheme, the pressure adjusting mechanism comprises a lifting mechanism and a lifting force transmission mechanism, the lifting mechanism is connected with the lifting force transmission mechanism, and the lifting force transmission mechanism is connected with the reverse wheel sliding assembly.

In a preferred scheme, the force transmission mechanism is a plate spring, and two ends of the plate spring are respectively abutted against the sliding assemblies of the first reverse wheel and the second reverse wheel.

In a preferred scheme, the lifting mechanism is a double-inclined-surface pressurizing lifting mechanism and comprises a movable upper wedge block, a fixed lower wedge block, a first adjusting wedge block, a second adjusting wedge block and an adjusting screw rod;

the movable upper wedge and the fixed lower wedge form a spindle cavity, the first adjusting wedge and the second adjusting wedge are placed at two ends of the spindle cavity, the surfaces of the first adjusting wedge and the second adjusting wedge are attached to the surface of the spindle cavity, and the adjusting screw is connected with the first adjusting wedge and the second adjusting wedge.

In a preferred scheme, the force transmission mechanism is a plate spring, and two ends of the plate spring are respectively abutted against sliding components of the first reverse wheel and the second reverse wheel; the first upper movable wedge block is connected with the plate spring through a plate spring fixing frame, and the plate spring fixing frame is connected with the middle part of the plate spring.

In a preferred embodiment, the width of the middle portion of the leaf spring is greater than the width of the ends.

In a preferred scheme, when the screw is screwed, the first adjusting wedge block and the second adjusting wedge block are close to each other, and the upper movable wedge block is lifted by the first adjusting wedge block and the second adjusting wedge block; the upper movable wedge block pulls the plate spring fixing frame upwards, and the plate spring fixing frame generates elastic deformation and presses the reverse wheel sliding assembly under the action of the pulling force of the plate spring.

Compared with the prior art, the utility model, no matter be idle load different or underload gyro wheel can both the steady operation under the pressurized effect of reverse wheel, can not skid.

Drawings

Fig. 1 is a schematic view of a reverse wheel pressurizing drive.

Fig. 2 is a schematic sectional view of 2-2 in fig. 1.

Fig. 3 is a more detailed structural diagram of the reverse wheel pressurizing driving device.

Fig. 4 is a schematic sectional view of the structure at 4-4 in fig. 3.

FIG. 5 is a schematic view of a reverse wheel slider configuration.

Fig. 6 is a schematic view of a dual ramp pressurization lift mechanism.

Fig. 7 is a plan view of the leaf spring.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings.

Fig. 1 is a schematic diagram of the reverse wheel pressurization driving device, which only retains the driving wheel 202 and the reverse wheel 302 and the driving wheel track 402, so that the relationship between the driving wheel and the reverse wheel track can be more clearly shown.

Generally speaking, the reverse wheel pressurizing driving device comprises a supporting mechanism 102, a driving wheel 302 arranged on the supporting mechanism, a motor reducer 502, a track 402 which is used for the driving wheel to walk and is simultaneously connected with the output end of the motor reducer and used for the driving wheel 302; the drive wheels ride on a first surface 404 of the track 402. The supporting mechanism 102 is provided with a reverse wheel 302 which runs on the second surface, the reverse wheel 302 can be connected with a pressure adjusting mechanism 602 on the supporting mechanism 102, and the pressure adjusting mechanism 602 is used for adjusting the pressure of the reverse wheel 302 and the driving wheel 202 on the track 402.

The pressure adjustment mechanism 602 can directly adjust the pressure of the counter wheel 302 on the second surface 404 of the track, and at the same time, the pressure of the counter wheel on the second surface 406 of the track is transmitted to the driving wheel 202 through the supporting mechanism 102, so that the pressure of the driving wheel on the first surface 404 of the track is increased, in the present scheme, the static friction between the track and the driving wheel is increased by adjusting the pressure adjustment mechanism, and the driving wheel and the track do not slip even under light load.

Fig. 2 and 3 are detailed components added to the principle of fig. 1 and 2, and those skilled in the art can implement the technical solution of the present invention by referring to fig. 2 and 3 without creative efforts, and each component of the reverse wheel pressurizing driving device is described separately below.

Supporting mechanism

Referring to fig. 2 and 3, the support mechanism 102 is used to support all the components of the counter wheel pressing drive mechanism. Which is used to mount the drive wheel 202 and the counter wheel 302, when the pressure adjustment mechanism 602 pressurizes the counter wheel, the pressure adjustment mechanism 602 transmits the counter pressure to the drive wheel 202 through the support mechanism 102 so that the drive wheel 202 can generate the same pressure to the track 402. The specific structure of the support mechanism 102 is not particularly limited, and it may be an integral component, or may be assembled by a plurality of components as long as it can function to support all the components and transmit the pressure of the reaction wheel.

The support mechanism 102 is used to support the motor reducer 502 on the one hand and the drive wheel 202 and the counter wheel 302 on the other hand. The support mechanism 102 is vertically straddled over a first surface 404 of the track on which the drive wheel 202 is located, such that the anti-wheel 302 can be mounted at the bottom of the track 402 and rest on a second surface 406 of the track.

The support mechanism 102 comprises two

support plates

104 and 106 arranged at intervals and a support seat 108 for connecting the two support plates, wherein the

support plates

104 and 106 and the support seat 108 form a combined member for accommodating or fixing components such as a driving wheel, a reverse wheel, a motor reducer and the like. The support plates 108 include a first support plate 104 and a second support plate 106, the two support plates are generally rectangular, the support seat 108 is disposed above the support plates, and the support seat 108 can be disposed on the left and right sides of the first support plate 104 and the second support plate 106. The first support plate 104, second support plate 106 and support seat 108 define a cavity 110 for receiving a drive wheel and a counter wheel.

A bearing flange seat 112 is provided on the first support plate 104 and the second support plate 106, and a first bearing 114 is provided in the bearing flange seat 112, in which a shaft 204 of the drive wheel 202 is mounted. On the outside of the first support plate 104, an end cap 116 is provided outside the bearing flange seat, and the end cap 116 is fixed to the first support plate 104 by a screw. A guide plate 118 is disposed on the first support plate 104 below the bearing flange seat 112, and an anti-wheel assembly 300 is mounted on the guide plate 118.

Driving wheel

With continued reference to fig. 2 and 3, the drive wheel 202 comprises two axles having a first axle 204 fixedly mounted in the flange seat 112 on the first support plate 104 and a second bearing 206 mounted in the bearing flange seat 120 on the second support plate 106. The second shaft 206 includes a support portion 208 disposed within the bearing of the second support plate 106 and a connecting portion 210 extending to the exterior of the second support plate, the connecting portion 210 being connected to the output end of the motor reducer 502, such that the motor reducer 502 can drive the drive wheel to rotate. Obviously, the second shaft and the output end of the motor reducer may be an integrated shaft structure.

Motor speed reducer

An input end of the motor reducer 502, which internally includes a reduction structure such as a gear reduction structure CVT reduction structure or the like, is connected to an output shaft 504 of the motor. The motor 506 comprises a servo motor, a steering engine, a stepping motor and the like. The stacker controls the moving direction of the stacker by controlling the steering of the motor, and controls the moving speed of the stacker by controlling the rotating speed.

Track

The track 402 is an I-shaped track, which comprises an upper track surface 408 and a lower track surface 410, the upper track surface 408 and the lower track surface 410, and a support mechanism connecting the upper track surface 408 and the lower track surface 410, wherein the driving wheel is arranged on the first surface 404 of the upper track surface, the reverse wheel is arranged on the second surface 406 of the upper track surface, and the reverse wheel 302 is arranged in two pairs of track cavities 412 respectively arranged on the left side and the right side of the support mechanism.

Reverse wheel and sliding assembly

Referring to fig. 3-5, the idler 302 is slidably secured to the support mechanism 102 by an idler mounting assembly 300. The inside of the counter wheel is provided with

bearings

304, 306, on which the counter wheel 302 is mounted via a

counter wheel axle

310, 304. The counter wheel mounting assembly comprises a slider assembly 312, the slider assembly 312 comprising a slider 314 disposed within a support mechanism runner, and

roller bearings

304, 308 connected to the slider 314, the roller bearings being connected to the counter wheel 302 via a drive shaft 310.

The transmission shaft 310 is also a counter-wheel shaft, and the counter-wheel shaft 310 is connected with a counter-wheel sliding block structure 314. The reverse wheel slide block 314 structure includes the upper roller bearing 304, the lower roller bearing 308, the slide block 314, and the pin 316 as shown in fig. 5.

The reverse wheel slide block 314 is slidably fitted into the slide groove 122 formed on the first support plate 102 and the second support plate 104. Guide support plates 118 are respectively arranged on the first support plate 104 and the second support plate 106, the guide support plates 118 are connected on the surfaces of the first support plate and the second support plate through screws, and the paired guide plates form a space for the sliding chute 122 of the sliding block structure.

Pressure adjusting mechanism

The pressure adjustment mechanism 602 includes a lifting mechanism 604 and a lifting force transfer mechanism 606, the lifting mechanism 604 is coupled to the lifting force transfer mechanism 606, and the lifting force transfer mechanism 604 is coupled to the caster slide assembly 302. The lifting mechanism 604 and the force transmission mechanism 606 may be an integral mechanism, and the lifting mechanism 604 may be a lifting mechanism 604 known to those skilled in the art, such as a screw and a thread to achieve the lifting function, or may be lifted by a piston or a gear, etc., and the counter wheel assembly slides upward when the lifting device is lifted upward to increase the pressure on the track.

Double-inclined-surface pressurizing and lifting mechanism

Referring to fig. 6, the present application illustrates the working principle of the lifting mechanism by taking an example of a double-slope pressurization lifting mechanism as an example. It includes a movable upper wedge 608, a fixed lower wedge 610, a first adjusting wedge 612, a second adjusting wedge 614, and an adjusting screw 616. The fixed lower wedge 610 is fixed on the support plate 102, the fixed lower wedge 610 is immovable relative to the support plate 102, the movable upper wedge 608 is movable relative to the support plate 610, the movable upper wedge 608 is connected with the upper end of the plate spring fixing frame 606, and the plate spring fixing frame 606 can be driven to move upwards when the movable upper wedge 608 moves upwards.

The movable upper wedge 608 and the fixed lower wedge 610 have substantially the same structure, and the structure thereof is described by taking the movable upper wedge as an example. The inner surface of the movable upper wedge block is an inner convex inclined surface 618 which comprises a left and a right symmetrical inclined surface structures, and the outer surface corresponding to the inner convex inclined surface is provided with a groove 620, and the groove 620 can be used for fixing the upper movable wedge block 608 and the plate spring fixing frame 606. The width of recess 622 of the fixed lower wedge is slightly greater than the width of recess 620 of the movable upper wedge.

The movable upper wedge and the fixed lower wedge form a spindle cavity 624, the first adjusting wedge 612 and the second adjusting wedge 614 are placed at two ends of the spindle cavity 624, the surfaces of the first adjusting wedge 612 and the second adjusting wedge 614 are attached to the surface of the spindle cavity, and the adjusting screw 616 is connected with the first adjusting wedge 612 and the second adjusting wedge 614. The opposite surfaces of the first adjusting wedge 612 and the second adjusting wedge 614 do not touch each other, so that a sufficient adjusting distance is ensured between the first adjusting wedge and the second adjusting wedge.

Force transmission mechanism

Referring to fig. 7, the lifting force transfer mechanism 606 is a mechanical mechanism that transfers the lifting force of the double-slope pressurization lifting mechanism to the counter wheel. The mechanical mechanism 606 may be a mechanical structure that transmits force, a spring, a flexible structure, or the like. In this case a leaf spring 626, the two ends of said leaf spring 626 are respectively abutted against the bottom 318 of the sliding assembly of the first and second anti-wheels. The width of the leaf spring is gradually reduced near the middle position 628 with the larger width at the two ends 630, because the leaf spring fixing frame is fixedly connected with the leaf spring through the middle position, and the first upper movable wedge block and the leaf spring are connected through the leaf spring fixing frame.

The first adjustment wedge 612 and the second adjustment wedge 614 are threaded. As the screw 616 is tightened, the first adjustment wedge 612 and the second adjustment wedge 614 approach each other, and the upper movable wedge 608 is raised by the first and second adjustment wedges; the upper movable wedge 608 pulls the plate spring fixing frame 632 upwards, and the plate spring fixing frame 632 is pulled, so that the plate spring generates elastic deformation and presses the reverse wheel sliding assembly. Meanwhile, the pressure of the driving wheel 202 on the track is increased by the same amount when the driving wheel is also fixed on the support frame, so that the rail can run stably without slipping even under the condition of light load or empty load.

Claims

1. Reverse wheel pressurization drive arrangement includes:

the method is characterized in that: the supporting mechanism is provided with a reverse wheel which runs on the second surface, the reverse wheel can be connected with a pressure adjusting mechanism on the supporting mechanism, and the pressure adjusting mechanism is used for adjusting the pressure of the reverse wheel and the driving wheel on the track.

2. A counter wheel pressurization drive according to claim 1, characterized in that the counter wheel is slidably fixed on the support mechanism by a sliding assembly.

3. A counter wheel pressurization drive according to claim 2, wherein said sliding assembly comprises a slider disposed within a support mechanism chute, and a roller bearing connected to said slider, said roller bearing being connected to said counter wheel by a drive shaft.

4. A counter wheel pressurization drive according to claim 2, characterized in that the pressure adjustment mechanism comprises a lifting mechanism and a lifting force transmission mechanism, the lifting mechanism being connected with the lifting force transmission mechanism, the lifting force transmission mechanism being connected with the counter wheel slide assembly.

5. The counter wheel pressing drive device according to claim 4, wherein the force transmission mechanism is a plate spring, and both ends of the plate spring respectively abut against the sliding members of the first counter wheel and the second counter wheel.

6. The reverse wheel pressurization driving device according to claim 4, wherein the lifting mechanism is a double-slope pressurization lifting mechanism which comprises a movable upper wedge block, a fixed lower wedge block, a first adjusting wedge block, a second adjusting wedge block and an adjusting screw rod;

7. The counter wheel pressurization driving device according to claim 6, wherein the force transmission mechanism is a plate spring, and both ends of the plate spring are respectively abutted against the sliding components of the first counter wheel and the second counter wheel; the first upper movable wedge block is connected with the plate spring through a plate spring fixing frame, and the plate spring fixing frame is connected with the middle part of the plate spring.

8. The reverse wheel pressing drive apparatus according to claim 7, wherein the width of the middle portion of the plate spring is larger than the width of the both ends.

9. A counter-wheel pressurizing drive according to claim 7, wherein the first adjusting wedge and the second adjusting wedge approach each other when the adjusting screw is tightened, and the upper movable wedge is raised by the first and second adjusting wedges; the upper movable wedge block pulls the plate spring fixing frame upwards, and the plate spring fixing frame generates elastic deformation and presses the reverse wheel sliding assembly under the action of the pulling force of the plate spring.