CN210795629U

CN210795629U - Hoisting machine

Info

Publication number: CN210795629U
Application number: CN201921442434.1U
Authority: CN
Inventors: 余峰
Original assignee: Aisin Intelligent Environment Technology Wuxi Co ltd
Current assignee: Aisin Intelligent Environment Technology Wuxi Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-19
Anticipated expiration: 2029-08-30

Abstract

The application provides a lifting machine, which comprises a bracket; the bearing unit moves up and down along part of the support, the bearing unit comprises an L-shaped support moving up and down along the positioning slide rail and at least one transmission roller unit positioned on the L-shaped support, the transmission roller unit comprises a pair of fixing frames arranged at intervals and a plurality of rollers connected between the pair of fixing frames, the rollers are connected to the lower half part of the fixing frames, and the rollers comprise at least one driving roller; the bearing unit further comprises a sensor positioned at the top of the holding frame for detecting the position of the goods; and the driving unit drives the bearing unit to move. The application discloses lifting machine, its bearing unit cooperatees through L type support and transmission roller unit, makes things convenient for the goods and materials transportation, and the operation is stable.

Description

Hoisting machine

Technical Field

The application relates to the field of logistics transmission, in particular to a well elevator for the medical industry.

Background

Modern hospitals are increasingly moving towards the introduction of intelligent, automated logistics delivery systems with the hope of maintaining safe, reliable, efficient high-speed operation of material delivery.

The material conveying usually includes horizontal conveying and vertical conveying, and at present, the vertical conveying is mostly carried out by adopting a tube well hoisting machine, and the tube well hoisting machine mainly comprises an elevator type and a single-arm type. The bearing unit of the existing single-arm type hoister cannot realize automatic transmission or is unstable in automatic control and needs to carry materials manually.

In view of the above, there is a need for an improved elevator to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a lifting machine which can automatically transmit materials and can stably run.

In order to achieve the purpose of the application, the following technical scheme is adopted in the application:

a hoist includes a bracket; the bearing unit moves up and down along part of the support, the bearing unit comprises an L-shaped support moving up and down along the support, and at least one transmission roller unit positioned on the L-shaped support, the transmission roller unit comprises a pair of fixing frames arranged at intervals and a plurality of rollers connected between the pair of fixing frames, the rollers are connected to the lower half part of the fixing frames, and the rollers comprise at least one driving roller; the bearing unit further comprises a sensor positioned at the top of the holding frame for detecting the position of the goods; and the driving unit drives the bearing unit to move.

Further, the driving roller is a motorized roller.

Further, the drive roll is located at an intermediate position of the plurality of rolls.

Further, the transfer roller unit further includes a reinforcing frame connected between the pair of holders.

Furthermore, the sensor is a photoelectric sensor and comprises an emitting unit and a receiving unit which are respectively arranged on the pair of holding frames.

Further, the sensor comprises a distance sensor arranged on one holding frame and a reflector arranged on the other holding frame.

The beneficial effect of this application is: the application discloses lifting machine, its bearing unit cooperatees through L type support and transmission roller unit, makes things convenient for the goods and materials transportation, and the operation is stable.

Drawings

Fig. 1 is a schematic structural diagram of a hoisting machine according to a preferred embodiment of the present application;

FIG. 2 is an enlarged view of a portion of the elevator frame of FIG. 1;

FIG. 3 is a schematic view of the carrier unit of FIG. 1 engaged with a bracket;

FIG. 4 is an exploded view of the load carrying unit of FIG. 1;

FIG. 5 is an exploded view of the transfer roller assembly in the load carrying unit of FIG. 4;

FIG. 6 is an exploded view of the transfer roller assembly in the carrier unit;

FIG. 7 is a schematic structural view of the upper half of FIG. 1;

fig. 8 is a partially exploded view of fig. 7.

Detailed Description

The present application will now be described in detail with reference to specific embodiments thereof as illustrated in the accompanying drawings. These embodiments are not intended to limit the present application, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present application.

In the various illustrations of the present application, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration and, thus, are provided to illustrate only the basic structure of the subject matter of the present application.

Referring to fig. 1 to 8, a hoist 100 according to a preferred embodiment of the present invention includes a support 1, a carrying unit 2 moving up and down along a portion of the support 1, a driving unit 3 driving the carrying unit 2 to move, and a limiting unit 4 limiting the carrying unit 2 from moving up and down.

The support 1 comprises a pair of upright posts 11 extending in the vertical direction, an upper support 12 fixed to the top ends of the pair of upright posts 11, a lower support 13 fixed to the bottom ends of the pair of upright posts 11, and a pair of positioning slide rails 14 connected between the upper support 12 and the lower support 13 and extending in the vertical direction.

The positioning slide rail 14 comprises a U-shaped groove 141, the opening of the U-shaped groove 141 faces the other positioning slide rail 14, and part of the bearing unit 2 is located in the U-shaped groove 141 and moves up and down along the U-shaped groove 141, so that the bearing unit 2 can be prevented from being inclined when bearing a heavy object, and the stability of the bearing unit 2 is improved.

Specifically, the carrying unit 2 comprises an L-shaped bracket 21 moving up and down along the positioning slide rail 14, and at least one conveying roller 222 unit 22 positioned on the L-shaped bracket 21; l type support 21 includes vertical 211, is fixed in the horizontal stand 212 of vertical 211 one end, load cell 2 is still including being located on the vertical 211 and following pulley 23 that location slide rail 14 removed can reduce the friction, and the slip process is more smooth, and can prevent vertical 211 is kept away from the one end of horizontal stand 212 is kept away from location slide rail 14, thereby avoids horizontal stand 1 takes place to incline when bearing the weight of thing, has improved load cell 2's stability.

In an embodiment, the positioning slide 14 includes a U-shaped groove 141, and the U-shaped groove 141 opens toward the other positioning slide 14; the pulley 23 is located on two opposite outer sides of the vertical frame 211, the axial direction of the pulley 23 is consistent with the extending direction of the upper support 12, and the pulley 23 is located in the U-shaped groove 141.

Further, the size of the pulley 23 is matched with the U-shaped groove 141, that is, when the pulley 23 moves in the U-shaped groove 141, the pulley cannot move forward or backward, and one end of the vertical frame 211, which is far away from the horizontal frame 212, can be prevented from being far away from the positioning slide rail 14, so that the horizontal bracket 1 is prevented from being inclined when bearing a heavy object, and the stability of the bearing unit 2 is improved.

Preferably, the pulleys 23 are arranged on two outer sides of the top end and the bottom end of the vertical frame 211, so that the running is more stable.

The conveying roller 222 unit 22 includes a pair of holders 221 disposed at intervals, a plurality of rollers 222 connected between the pair of holders 221, and a sensor 223 disposed on at least one holder 221 for detecting the position of the material.

The rollers 222 are connected to the lower half portion of the holding frame 221, and the rollers 222 include at least one driving roller 222; the sensor 223 is located at the top of the holding frame 221, and when materials enter the conveying roller 222 unit 22, the materials can be quickly and accurately positioned, so as to control whether the driving roller 222 works.

Further, the driving roller 222 is an electric roller, and does not need to be additionally provided with the motor 34, so that the occupied space is small, and the weight of the bearing unit 2 is reduced.

Preferably, the driving roller 222 is located in the middle, for example, when 7 rollers 222 are provided, the 4 th roller 222 is the driving roller 222, and when 6 rollers 222 are provided, the 3 rd or 4 th roller 222 is the driving roller 222, so that the material can be better conveyed in two directions.

Further, the conveying roller 222 unit 22 further includes a reinforcing frame 224 connected between the pair of holding frames 221 to reinforce the relative stability of the pair of holding frames 221.

In an embodiment, the sensor 223 may be, but is not limited to, a photoelectric sensor 223, which includes an emitting unit and a receiving unit respectively disposed on the two holders 221, and when the material is transmitted to the carrying unit and located between the reflecting unit and the receiving unit, the receiving unit cannot obtain a signal, so as to determine the position of the material.

In another embodiment, the sensor 223 includes a distance sensor 223 disposed on one of the holders 221, and a reflector disposed on the other holder 221, when the material is transmitted to the carrying unit and located between the distance sensor 223 and the reflector, the distance between the material and the distance sensor 223 is smaller than the distance between the reflector and the distance sensor 223, so that the time for the reflected light pulse, infrared ray or ultrasonic wave received by the distance sensor 223 becomes relatively shorter, and the position of the material is determined accordingly.

Drive unit 3 including rotate connect in the driving shaft 31 at the top of support 1, rotate connect in the driven shaft 32, the transmission of the bottom of support 1 are connected driving shaft 31 with the hold-in range 33 of driven shaft 32, be fixed in support 1 top and drive driving shaft 31 pivoted motor 34, in order to give motor 34 provides the signal of start, shut down, bearing unit with hold-in range 33 fixed connection. When the motor 34 rotates forwards, the synchronous belt 33 is driven to rotate through the driving shaft 31, and the bearing unit 2 is driven to move upwards; conversely, when the motor 34 rotates reversely, the carrying unit 2 is driven to move downwards.

Specifically, the bracket 1 further includes a motor fixing frame 15 fixed to the upright post 11, and the motor 34 is fixed to the motor fixing frame 15 and the upright post 11 at the same time. The driving shaft 31 is rotatably connected to the tops of the pair of positioning slide rails 14, and the driven shaft 32 is rotatably connected to the bottoms of the pair of positioning slide rails 14.

The driving unit 3 further includes a first connecting unit 35 connecting the motor 34 and the driving shaft 31, the motor 34 has a rotating flange 341, the rotating flange 341 has a fixing cavity 342, the driving shaft 31 has a first end capable of being accommodated in the fixing cavity 342, the first connecting unit 35 connects the first end with a fixing wall forming the fixing cavity 342, and a limiting member preventing the driving shaft 31 from rotating along a central axis thereof with respect to the fixing portion, so that the driving shaft 31 can rotate under the transmission of the rotating flange 341. Specifically, the rotating flange 341 includes a first limiting groove 343 disposed on a wall forming the fixed cavity 342, the first end of the driving shaft 31 has a second limiting groove, and after the first end is inserted into the fixed cavity 342, a part of the first connecting unit 35 is located in the first limiting groove 343, and another part is located in the second limiting groove, so as to limit the relative rotation between the two.

The driving unit 3 further includes a positioning ring 36 fixed to the driving shaft 31 at two outer sides of the pair of positioning rails 14, which are opposite to each other, to prevent the driving shaft 31 from moving in the axial direction.

Except that the driven shaft 32 is not connected with the motor 34, the driven shaft 32 and the driving shaft 31 are connected with other structures in the same way, and the description is omitted.

The drive unit 3 is still including connecting the driving shaft 31 with the second linkage unit of hold-in range 33, the second linkage unit is located including the cover on the driving shaft 31 and be located the driving shaft 31 with synchronizing wheel 371 between the hold-in range 33, connection synchronizing wheel 371 inside wall with the second connecting piece 372 of driving shaft 31 lateral wall, in the axial both sides of synchronizing wheel 371 are fixed in a pair of solid fixed ring 373 on the driving shaft 31. The second connector 372 enables the synchronizing wheel 371 to rotate along with the driving shaft 31, the pair of fixing rings 373 prevent the synchronizing belt 33 from moving along the axial direction of the driving shaft 31, and the outer surface of the synchronizing wheel 371 is rough, so that the synchronizing belt 33 can be driven to rotate.

Drive unit 3 is still including connecting hold-in range 33 with hold-in range connecting plate 38 of bearing part, hold-in range connecting plate 38 includes first splint, second splint, is located first splint with logical groove between the second splint, part hold-in range 33 is located logical inslot, in first splint or the second splint at least one with hold-in range 33 fixed connection, just in first splint or the second splint at least one with vertical frame 211 is fixed mutually, in order to guarantee hold-in range 33 drives bearing unit 2 removes.

The limiting unit 4 comprises a limiting frame 41 arranged at the bottom of the bracket 1, and when the bearing unit 2 descends to the limiting frame 41, the bearing unit cannot move downwards any more. The spacing frame 41 is arranged at an interval with the bottom end of the support 1, so that a buffer space can be prevented from being formed between the bearing unit 2 and the bottom, and the bearing unit cannot collide with the bottom.

Specifically, the upright post 11 and the positioning slide rail 14 are connected to the limiting frame 41, and the fixing manner is firm.

Further, the limiting frame 41 is located above the driven shaft 32, so that a bearing part can be prevented from impacting the driven shaft 32, and the use of the driving unit 3 is ensured.

In addition, the driving unit 3 further includes a travel switch 42, and the travel switch 42 includes an upper travel switch 421 disposed on the positioning slide rail 14 and close to the driving shaft 31, and a lower travel switch 422 disposed on the positioning slide rail 14 and close to the driven shaft 32. Through the cooperation of the upper travel switch 421 and the lower travel switch 422, it is determined whether the carrying unit 2 can move upwards or downwards continuously, so as to control the working state of the motor 34.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the concrete description of the feasible embodiments of the present application, they are not intended to limit the scope of the present application, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present application are intended to be included within the scope of the present application.

Claims

1. A hoist comprises

A support;

the bearing unit moves up and down along part of the support, the bearing unit comprises an L-shaped support moving up and down along the support, and at least one transmission roller unit positioned on the L-shaped support, the transmission roller unit comprises a pair of fixing frames arranged at intervals and a plurality of rollers connected between the pair of fixing frames, the rollers are connected to the lower half part of the fixing frames, and the rollers comprise at least one driving roller; the bearing unit further comprises a sensor positioned at the top of the holding frame for detecting the position of the goods;

and the driving unit drives the bearing unit to move.

2. The hoist as claimed in claim 1, characterized in that: the driving roller is an electric roller.

3. The hoisting machine as claimed in claim 2, characterized in that: the drive roll is located at a middle position of the plurality of rolls.

4. The hoisting machine as claimed in claim 2, characterized in that: the transfer roller unit further includes a reinforcing frame connected between the pair of holders.

5. The hoist as claimed in claim 1, characterized in that: the sensor is a photoelectric sensor and comprises an emitting unit and a receiving unit which are respectively arranged on a pair of holding frames.

6. The hoist as claimed in claim 1, characterized in that: the sensor comprises a distance sensor arranged on one fixing frame and a reflector arranged on the other fixing frame.