CN220925543U - Reciprocating elevator - Google Patents

Abstract

The utility model provides a reciprocating elevator, which comprises an upright post frame, wherein the upright post frame comprises four upright posts which extend vertically, and racks are arranged on each upright post; the cargo carrying platform comprises a lifting frame, a first transmission shaft, a second transmission shaft, a third transmission shaft and a fourth transmission shaft are arranged on the lifting frame, a first driving gear is arranged on the first transmission shaft, a second driving gear is arranged on the second transmission shaft, a third driving gear is arranged on the third transmission shaft, a fourth driving gear is arranged on the fourth transmission shaft, and the first driving gear, the second driving gear, the third driving gear and the fourth driving gear are meshed with the four racks in a one-to-one correspondence manner; the first driving shaft is in driving connection with the first driving shaft and the second driving shaft; the second driving shaft is in driving connection with the third driving shaft and the fourth driving shaft; the first drive shaft and the second drive shaft are also connected to the first drive means. The reciprocating elevator has high operation synchronism, is more stable in operation, and is simple in structure and convenient to install and maintain.

Description

Reciprocating elevator

Technical Field

The utility model relates to the technical field of modern intelligent logistics storage, in particular to a reciprocating elevator.

Background

Hoists (WELL ELEVATING conductor/Elevator) are large mechanical devices that are transported by changing potential energy, such as mine hoists, over-dam hoists, and the like. Broadly, elevators, crown blocks, hoists, car stables, cranes, hoist, etc. may be referred to as hoists.

At present, the existing elevator is mainly divided into a chain type elevator and a rack type elevator, wherein the chain type elevator is easy to stretch and deform, poor in transmission stability and low in precision due to the defects of chain characteristics, so that certain scenes requiring high precision and high stability cannot be used; the rack type elevator is divided into a four-rack four-motor bottom driving type and a two-rack single-motor side driving type, for the four-rack four-motor driving type, synchronous driving of the four motors is required to be controlled, the control is complex, in order to ensure the operation precision of the elevator, the operation speed is low, and in addition, the installation and maintenance of the four motors are complex; for two rack single motors, because the motor sets up the side at the lifting machine, lead to the lifting machine area to be great, and because it goes up and down to be two rack drive lifting machines, the stationarity is relatively poor, has the risk of cargo bed slope.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a reciprocating elevator that solves the drawbacks of the prior art elevator.

To achieve the above and other related objects, the present utility model provides a reciprocating elevator, comprising a column frame, wherein the column frame comprises four columns extending vertically, and each column is provided with a rack; the cargo carrying platform comprises a lifting frame, a first transmission shaft, a second transmission shaft, a third transmission shaft and a fourth transmission shaft are rotatably arranged on the lifting frame, a first driving gear is arranged on the first transmission shaft, a second driving gear is arranged on the second transmission shaft, a third driving gear is arranged on the third transmission shaft, a fourth driving gear is arranged on the fourth transmission shaft, and the first driving gear, the second driving gear, the third driving gear and the fourth driving gear are meshed with four racks in a one-to-one correspondence manner; the first end of the first driving shaft is in transmission connection with the first transmission shaft and the second transmission shaft; the first end of the second driving shaft is in transmission connection with the third transmission shaft and the fourth transmission shaft; the first driving device is fixedly arranged on the lifting frame, the second end of the first driving shaft and the second end of the second driving shaft are connected with the first driving device, and the first driving device is used for driving the first driving shaft and the second driving shaft to rotate.

Preferably, the first driving shaft is in transmission connection with the first transmission shaft and the second transmission shaft through a first T-shaped speed reducer, wherein the first T-shaped speed reducer comprises an input end, a first output end and a second output end, the first end of the first driving shaft is in transmission connection with the input end, one end of the first transmission shaft is in transmission connection with the first output end, and one end of the second transmission shaft is in transmission connection with the second output end.

Preferably, the second driving shaft is in transmission connection with the third driving shaft and the fourth driving shaft through a second T-type speed reducer, wherein the second T-type speed reducer comprises an input end, a first output end and a second output end, the first end of the second driving shaft is in transmission connection with the input end, one end of the third driving shaft is in transmission connection with the first output end, and one end of the fourth driving shaft is in transmission connection with the second output end.

Preferably, the first driving device is fixedly arranged at the bottom of the lifting frame.

Preferably, the four angular positions of the lifting frame are also provided with a first guide wheel and a second guide wheel, wherein the axis of the first guide wheel is perpendicular to the axis of the second guide wheel, the first guide wheel is abutted to the first side wall of the upright post, and the second guide wheel is abutted to the second side wall of the upright post.

Preferably, the lifting frame is further provided with a conveying assembly and a second driving device, wherein the conveying assembly is used for placing a tray, and the second driving device is used for driving the conveying assembly to rotate.

Preferably, the conveying assembly comprises a first support and a second support, the first support and the second support are respectively arranged at the left side and the right side of the top of the lifting frame, a first conveying chain is arranged on the first support, and a second conveying chain is arranged on the second support; the lifting frame is further rotatably provided with a third driving shaft, the left end and the right end of the third driving shaft are respectively provided with a first driving sprocket and a second driving sprocket, the first conveying chain is connected with the first driving sprocket, and the second conveying chain is connected with the second driving sprocket; the second driving device is fixedly arranged at the bottom of the lifting frame and is in transmission connection with the third driving shaft.

Preferably, a first baffle is arranged on the left side of the first support, a second baffle is arranged on the right side of the second support, and the first baffle and the second baffle are used for preventing the tray from sliding left and right during conveying.

Preferably, the upright post frame is also provided with a balancing weight in a sliding manner, and the balancing weight is connected with the lifting frame through a traction rope.

Preferably, the upright post is a channel steel.

As described above, the reciprocating elevator of the present utility model has the following beneficial effects: when the cargo carrying platform is used, the first driving shaft and the second driving shaft are driven to rotate through the first driving device, the first driving shaft can drive the first transmission shaft and the second transmission shaft to rotate, the second driving shaft can drive the third transmission shaft and the fourth transmission shaft to rotate, and then the first driving gear, the second driving gear, the third driving gear and the fourth driving gear are synchronously driven to rotate, and then the four driving gears drive the cargo carrying platform to lift up and down along the upright column frame. Compared with the prior art, the reciprocating elevator can drive the four driving gears to rotate through one driving device, ensures the driving synchronism of the four driving gears, further ensures the moving synchronism of the cargo carrying platform, has high operation precision, is more stable in operation, and is simple in structure and convenient to install and maintain.

Drawings

Fig. 1 is a schematic perspective view of a reciprocating elevator according to the present utility model.

Fig. 2 shows a schematic view of the structure of the cargo bed according to the present utility model.

Fig. 3 shows a bottom view of the cargo bed provided by the utility model.

Fig. 4 shows an enlarged view of a portion a of fig. 1 provided by the present utility model.

Description of the reference numerals

10. Upright post frame

11. Upright post

110. Rack bar

20. Cargo carrying platform

21. Lifting frame

211. First transmission shaft

2110. First drive gear

212. Second transmission shaft

2120. Second drive gear

213. Third transmission shaft

2130. Third drive gear

214. Fourth transmission shaft

2140. Fourth drive gear

215. First drive shaft

216. Second drive shaft

217. Third drive shaft

22. First driving device

23. First T-shaped speed reducer

24. Second T-shaped speed reducer

251. First support

2511. First conveyor chain

252. Second support

2521. Second conveyor chain

26. Second driving device

271. First baffle plate

272. Second baffle

210. Coupling device

201. First guide wheel

202. Second guide wheel

100. Balancing weight

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

In the description of the present utility model, unless specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, integrally connected, mechanically coupled, electrically coupled, directly coupled, or coupled via an intermediate medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the present utility model as indicated by the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Please refer to fig. 1 to 4. It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.

The present utility model provides a reciprocating elevator, as shown in fig. 1 to 4, which comprises a column frame 10 and a cargo bed 20, wherein the column frame 10 comprises four columns 11 extending vertically, and each column 11 is provided with a rack 110; the cargo platform 20 comprises a lifting frame 21, a first transmission shaft 211, a second transmission shaft 212, a third transmission shaft 213 and a fourth transmission shaft 214 are rotatably arranged on the lifting frame 21, a first driving gear 2110 is arranged on the first transmission shaft 211, a second driving gear 2120 is arranged on the second transmission shaft 212, a third driving gear 2130 is arranged on the third transmission shaft 213, a fourth driving gear 2140 is arranged on the fourth transmission shaft 214, and the first driving gear 2110, the second driving gear 2120, the third driving gear 2130 and the fourth driving gear 2140 are meshed with the four racks 110 on the four upright posts 11 in a one-to-one correspondence manner; a first driving shaft 215 and a second driving shaft 216 are further arranged on the lifting frame 21, a first end of the first driving shaft 215 is in transmission connection with the first transmission shaft 211 and the second transmission shaft 212, and a first end of the second driving shaft 216 is in transmission connection with the third transmission shaft 213 and the fourth transmission shaft 214; a first driving device 22 is also fixedly arranged on the lifting frame 21, a second end of the first driving shaft 215 and a second end of the second driving shaft 216 are connected with the first driving device 22, and the first driving device 22 is used for driving the first driving shaft 215 and the second driving shaft 216 to rotate.

When the reciprocating elevator of the present utility model is used, the first driving device 22 drives the first driving shaft 215 and the second driving shaft 216 to rotate, then the first driving shaft 215 drives the first driving shaft 211 and the second driving shaft 212 to rotate, and the second driving shaft 216 drives the third driving shaft 213 and the fourth driving shaft 214 to rotate, so as to synchronously drive the first driving gear 2110, the second driving gear 2120, the third driving gear 2130 and the fourth driving gear 2140 to rotate, and then the four driving gears drive the cargo carrying platform 20 to lift up and down along the upright frame 10. Compared with the prior art, the reciprocating elevator can drive the four driving gears to rotate through one driving device, ensures the driving synchronism of the four driving gears, further ensures the moving synchronism of the cargo table 20, has high operation precision, operates more stably, and has the advantages of simple structure and convenient installation and maintenance.

Preferably, as shown in fig. 3, in this embodiment, the first driving shaft 215 is in transmission connection with the first transmission shaft 211 and the second transmission shaft 212 through the first T-type speed reducer 23, specifically, the first T-type speed reducer 23 includes an input end and a first output end and a second output end, the first end of the first driving shaft 215 is in transmission connection with the input end of the first T-type speed reducer 23, one end of the first transmission shaft 211 is in transmission connection with the first output end of the first T-type speed reducer 23, and one end of the second transmission shaft 212 is in transmission connection with the second output end of the first T-type speed reducer 23. Specifically, in the present embodiment, the first end of the first driving shaft 215 is in driving connection with the output end of the first T-type speed reducer 23 through the coupling 210, and the first driving shaft 211 and the second driving shaft 212 are also in driving connection with the first output end and the second output end of the first T-type speed reducer 23 through the coupling 210, respectively.

Also, as shown in fig. 3, in the present embodiment, the second driving shaft 216 is in driving connection with the third transmission shaft 213 and the fourth transmission shaft 214 through the second T-type speed reducer 24, the second T-type speed reducer 24 includes an input end, a first output end and a second output end, the first end of the second driving shaft 216 is in driving connection with the input end of the second T-type speed reducer 24, one end of the third transmission shaft 213 is in driving connection with the first output end of the second T-type speed reducer 24, and one end of the fourth transmission shaft 214 is in driving connection with the second output end of the second T-type speed reducer 24. Specifically, in the present embodiment, the second driving shaft 216, the third driving shaft 213 and the fourth driving shaft 214 are also all in driving connection with the second T-type speed reducer through a coupling. Through this structural design, simple structure, transmission precision is high.

Further, as shown in fig. 3, in this embodiment, the first driving device 22 is fixedly disposed at the bottom of the lifting frame 21, and the first driving device 22 is located at the middle position of the cargo platform 20, i.e. the lifting frame. Specifically, in the present embodiment, the first driving device 22 is a servo motor.

Further, in order to improve the stability of the up-and-down reciprocating motion of the cargo platform 20 along the upright frame 10, as shown in fig. 2, in this embodiment, two guide wheels, namely, a first guide wheel 201 and a second guide wheel 202, are further disposed at four corner positions of the lifting frame 21, respectively, and the axis of the first guide wheel 201 and the axis of the second guide wheel 202 are perpendicular to each other, where the first guide wheel 201 abuts against a first side wall of the upright 11, and the second guide wheel 202 abuts against a second side wall of the upright 11 (as shown in fig. 4). Through this structural design, when four drive gears of first drive arrangement 22 drive rotate in order to drive whole cargo table 20 along stand 11 up-and-down motion, first leading wheel 201 and second leading wheel 202 can hug closely the lateral wall of stand and roll from top to bottom to can restrict this cargo table 20 through this first leading wheel and second leading wheel and take place rocking and skew about, and then improved the stationarity when this cargo table up-and-down motion.

Further, in the present embodiment, a conveying assembly and a second driving device 26 are further disposed on the lifting frame 21, and the second driving device 26 is used for driving the conveying assembly to rotate. During operation, a pallet can be placed on the conveying component, and goods are borne by the pallet, so that after the objective table 20 is operated to a designated position, the conveying component is driven to rotate by the second driving device 26, so that the pallet is conveyed out of the objective table 20, the automation degree of loading and unloading of the goods is improved, the working efficiency is improved, and the labor cost is reduced.

Specifically, as shown in fig. 2 and 3, in the present embodiment, the conveying assembly includes a first support 251 and a second support 252, the first support 251 and the second support 252 are respectively disposed on the left and right sides of the top of the lifting frame 21, a first conveying chain 2511 is disposed on the first support 251, and a second conveying chain 2521 is disposed on the second support 252; a third driving shaft 217 is rotatably provided on the lifting frame 21, and a first driving sprocket (not shown) and a second driving sprocket (not shown) are respectively provided at left and right ends of the third driving shaft 217, wherein the first transmission chain 2511 is connected with the first driving sprocket, and the second transmission chain 2521 is connected with the second driving sprocket; the second driving device 26 is fixedly arranged at the bottom of the lifting frame 21, and the second driving device 26 is in transmission connection with the third driving shaft 217. In operation, the third driving shaft 217 is driven to rotate by the second driving device 26, and then the first and second conveying chains 2511 and 2521 are driven to rotate by the first and second driving sprockets fixedly provided at the left and right ends of the third driving shaft 217, respectively, thereby realizing the conveyance of the trays placed on the first and second conveying chains.

Specifically, in the present embodiment, the second driving device 26 is a servo motor, and a chain transmission is provided between the second driving device 26 and the third driving shaft 217.

Further, in order to prevent the tray from sliding left and right during the transfer, as shown in fig. 2, in the present embodiment, a first baffle 271 is provided on the left side of the first holder 251, and a second baffle 272 is provided on the right side of the second holder 252. During operation, the first and second stoppers 271 and 272 limit the left and right sides of the pallet, so that the pallet is prevented from sliding left and right when being conveyed by the first and second conveying chains 2511 and 2521, and the safety of the operation is improved.

Further, as shown in fig. 1, in this embodiment, a counterweight 100 is also slidably disposed on the pillar frame 10, and the counterweight 100 is connected to the lifting frame 21 by a hoist rope (not shown). That is, one end of the hoist rope is connected to the counterweight 100, and the other end of the hoist rope is wound around the top of the column frame 10 and connected to the lifting frame 21, that is, the top of the load bed 20. Through the setting of this balancing weight, can improve this reciprocating elevator operating stability to and improve the energy utilization.

Further, in this embodiment, the upright frame 10 may be designed in a unitized manner, that is, when in use, a plurality of unitized upright frames 10 may be stacked and spliced together, so that the running height and the running distance of the reciprocating elevator may be improved, and the applicability is improved. In particular, in this embodiment, the uprights 11 in the upright frame 10 may be channel-section steel,

In summary, the four-gear single-motor driven reciprocating elevator can synchronously drive the four driving gears to rotate through one motor, so that the accuracy of synchronous control of the four driving gears is greatly improved, the operation synchronism of the reciprocating elevator is further improved to a great extent, the operation accuracy is high, the reciprocating elevator is stable, meanwhile, the structure is simple and compact, the occupied area is small, and the installation and the maintenance are convenient. The reciprocating elevator not only can be used as vertical lifting equipment for sitting people or conveying goods, but also can be used together with a matched four-way shuttle car, and is better used for serving a modern intelligent warehouse logistics system. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (9)

1. A reciprocating elevator, comprising:

The stand column frame comprises four stand columns which extend vertically, and racks are arranged on each stand column;

The cargo carrying platform comprises a lifting frame, a first transmission shaft, a second transmission shaft, a third transmission shaft and a fourth transmission shaft are rotatably arranged on the lifting frame, a first driving gear is arranged on the first transmission shaft, a second driving gear is arranged on the second transmission shaft, a third driving gear is arranged on the third transmission shaft, a fourth driving gear is arranged on the fourth transmission shaft, and the first driving gear, the second driving gear, the third driving gear and the fourth driving gear are meshed with four racks in a one-to-one correspondence manner;

The first end of the first driving shaft is in transmission connection with the first transmission shaft and the second transmission shaft;

The first end of the second driving shaft is in transmission connection with the third transmission shaft and the fourth transmission shaft;

The first driving device is fixedly arranged on the lifting frame, is fixedly arranged at the bottom of the lifting frame and is positioned in the middle of the lifting frame; the second end of the first driving shaft and the second end of the second driving shaft are connected with the first driving device, and the first driving device is used for driving the first driving shaft and the second driving shaft

The second driving shaft rotates;

The lifting frame is further provided with a conveying assembly and a second driving device, wherein the conveying assembly is used for placing a tray, and the second driving device is used for driving the conveying assembly to rotate.

2. The reciprocating elevator of claim 1, wherein the first drive shaft is drivingly connected to the first drive shaft and the second drive shaft by a first T-speed reducer, wherein the first T-speed reducer includes an input end, a first output end, and a second output end, the first end of the first drive shaft is drivingly connected to the input end, one end of the first drive shaft is drivingly connected to the first output end, and one end of the second drive shaft is drivingly connected to the second output end.

3. The reciprocating elevator of claim 1, wherein the second drive shaft is drivingly connected to the third drive shaft and the fourth drive shaft by a second T-speed reducer, wherein the second T-speed reducer includes an input end, a first output end and a second output end, the first end of the second drive shaft is drivingly connected to the input end, one end of the third drive shaft is drivingly connected to the first output end, and one end of the fourth drive shaft is drivingly connected to the second output end.

4. The reciprocating elevator of claim 1, wherein the first driving means is fixedly disposed at a bottom of the elevator frame.

5. The reciprocating elevator according to claim 1, wherein the four angular positions of the elevator are each further provided with a first guide wheel and a second guide wheel, wherein the axes of the first guide wheels are perpendicular to the axes of the second guide wheels, the first guide wheels are in contact with the first side wall of the upright, and the second guide wheels are in contact with the second side wall of the upright.

6. The reciprocating elevator according to claim 1, wherein the conveying assembly comprises a first support and a second support, the first support and the second support are respectively arranged at the left side and the right side of the top of the lifting frame, a first conveying chain is arranged on the first support, and a second conveying chain is arranged on the second support; the lifting frame is further rotatably provided with a third driving shaft, the left end and the right end of the third driving shaft are respectively provided with a first driving sprocket and a second driving sprocket, the first conveying chain is connected with the first driving sprocket, and the second conveying chain is connected with the second driving sprocket; the second driving device is fixedly arranged at the bottom of the lifting frame and is in transmission connection with the third driving shaft.

7. The reciprocating elevator of claim 6, wherein a first baffle is provided on a left side of the first support, a second baffle is provided on a right side of the second support, and the first baffle and the second baffle are used for preventing the tray from sliding left and right during the conveying.

8. The reciprocating elevator of claim 1, wherein the upright frame is further slidably provided with a counterweight connected to the elevator frame by a hoist rope.

9. The reciprocating elevator of claim 1, wherein the upright is a channel.