CN216332850U

CN216332850U - Automatic lifting mechanism and trolley thereof

Info

Publication number: CN216332850U
Application number: CN202123304197.2U
Authority: CN
Inventors: 王皓; 熊剑鹏; 夏远想
Original assignee: Wuhan Chuangyuan Aluminum Relaxed Ware Co ltd
Current assignee: Wuhan Chuangyuan Aluminum Relaxed Ware Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-04-19
Anticipated expiration: 2031-12-25

Abstract

The application discloses automatic elevating system and handcart thereof, it includes: a chassis mounted with rollers; a frame mounted on the underframe; the lifting device is arranged on the underframe and is positioned in the frame; the bearing frame is assembled with the output end of the lifting device and used for bearing the loading box, when the bearing frame bears a certain weight or quantity, the lifting device can drive the bearing frame to lift according to the design performance that the weight is reduced and the weight is increased. This application is when using, and the thing box that carries on the drive handcart that can be automatic goes up and down, reduces the number of times that the staff stood, reduces tired sense, improves work efficiency.

Description

Automatic lifting mechanism and trolley thereof

Technical Field

The invention relates to the field of trolleys, in particular to an automatic lifting mechanism and a trolley thereof.

Background

Before taking an airplane in an airport, safety inspection is usually needed, and during safety inspection, a passenger needs to take out some articles carried by the passenger for inspection, such as electronic products like a notebook computer, a mobile phone and the like.

At present, when carrying the thing box inadequately, generally need the staff to stack the thing box of carrying that the conveyor output will be vacant one by one on the handcart, wait to fill up the handcart after, then the propelling movement arrives the conveyor input to supply behind the safety inspection passenger cycle to use.

However, in practice, as the number of empty carrying boxes stacked on the trolley is gradually reduced, the carrying boxes need to be taken up by a worker who continuously bends over, the bending range of the worker is increased when the trolley reaches the bottom, and the trolley is long-term, so that the trolley is easy to fatigue, and the waist of the worker is easy to be damaged, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide an automatic elevating system and handcart thereof, the thing box that carries on the drive handcart that can be automatic goes up and down, reduces the number of times that the staff stood, reduces tired sense, improves work efficiency.

The application provides an automatic lifting mechanism adopts following technical scheme:

an automatic lifting mechanism comprising: a chassis mounted with rollers; a frame mounted on the underframe; the lifting device is arranged on the underframe and is positioned in the frame; the bearing frame which is assembled with the output end of the lifting device and used for bearing the loading box can drive the bearing frame to lift under the action of the lifting device.

Through adopting above-mentioned technical scheme, bearing the thing box that stacks on the frame, in the use, can make the whole frame that bears of elevating gear drive go up and down through the change that carries thing box weight or quantity for the staff can not need to bow to realize getting of carrying the thing box and put, thereby can reduce staff's fatigue and feel, improve work efficiency.

The application further provides that the lifting device comprises: the upper slideway is arranged at the bottom of the bearing frame and is relatively symmetrical; two lower slideways which are arranged on the underframe and are parallel to the upper slideways; the lifting frame is arranged between the upper slideway and the lower slideway; and the driving piece drives the output end of the lifting frame to lift.

Through adopting above-mentioned technical scheme, when bearing the thing box weight or quantity that bear and change, can make the driving piece drive the crane motion, the crane can drive in the motion process and bear the thing and go up and down, and this structure can effectively replace the manual work, and easy operation.

The application further provides that the crane comprises: the sliding blocks are arranged on the upper slideway and the lower slideway in a sliding manner; two driving rods with one end hinged to the same end of the upper slideway and the lower slideway and the other end hinged to the sliding block and arranged in a crossed manner; and a rotating rod movably inserted between the intersection parts of the two driving rods.

Through adopting above-mentioned technical scheme, the actuating lever that sets up alternately can improve the support stability to bearing the frame, along with the gravity change, under the effect of driving piece, can drive the sliding block and remove, the sliding block can be converted into vertical direction with the power of horizontal direction for bear the stable lift that goes up and down of frame.

The present application further provides that the drive member comprises: the connecting rod is rotatably arranged between the two driving rods and is parallel to the rotating rod; and the bottom of the pneumatic spring is rotatably arranged on the bottom frame and is vertical to the connecting rod, and a piston rod of the pneumatic spring is rotatably connected with the connecting rod.

Through adopting above-mentioned technical scheme, when pneumatic spring was used, pneumatic spring's piston rod can drive the connecting rod and remove, and the connecting rod can drive the sliding block and slide on last slide and lower slide when removing, because two actuating levers are cross arrangement to can control the slide and go up and down.

The application further provides that the bearing frame comprises a U-shaped frame plate assembled with the upper slideway; and the rectangular frame is arranged at the top of the U-shaped frame plate in an enclosing manner, and arc-shaped chamfers are arranged at four corners of the rectangular frame.

Through adopting above-mentioned technical scheme, the rectangle frame of setting can accept the border that carries the thing box to extend for carry the firm stack of thing box, and the arc chamfer of setting, then can reduce the rectangle frame and to carrying the wearing and tearing that the thing box caused.

The application further provides that the frame comprises: two front vertical plates vertically arranged on the underframe; and the front vertical plate is arranged into an arc shape consistent with the profile of the arc chamfer.

Through adopting above-mentioned technical scheme, the preceding riser of setting can restrict the rectangle frame for the rectangle frame is along the stable going up and down that goes on of vertical direction, and sets the arc form to the preceding riser, thereby can reduce preceding riser and carry the frictional force between the thing box, makes to carry the thing box and go up and down more smoothly.

The anti-collision device is further provided with an anti-collision rubber strip which is arranged on one side of the underframe close to the front vertical plate in a half wrapping mode, and the anti-collision rubber strip and the underframe are detachably arranged.

Through adopting above-mentioned technical scheme, the anticollision adhesive tape that sets up can protect the edge of chassis, reduces the chassis and receives the condition of striking damage.

The application also provides a trolley, which comprises the automatic lifting mechanism.

In summary, the present application includes at least one of the following beneficial technical effects:

through setting up the elevating gear who bears the frame and drive and bear the frame lift, when using the handcart, can utilize the elevating gear drive of this application to bear the frame and go up and down for when bearing the thing box that stacks on the frame and reducing gradually, do not influence people and get and put the thing box of carrying, thereby can reduce the number of times that the staff stood, improve work efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a schematic structural diagram of another view angle in the embodiment of the present application.

Description of reference numerals: 1. a chassis; 10. a roller; 2. a frame; 20. a front vertical plate; 21. a rear pillar; 3. a carrier; 301. a U-shaped frame plate; 302. a rectangular frame; 303. arc chamfering; 31. an upper slideway; 32. a lower slideway; 33. a slider; 34. a pneumatic spring; 35. a drive rod; 36. rotating the rod; 37. a connecting rod; 4. anticollision adhesive tape.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses an automatic lifting mechanism, as shown in fig. 1 and fig. 2, includes: the bottom is installed chassis 1 of gyro wheel 10, installs frame 2 on chassis 1, installs the handle on frame 2, installs elevating gear on chassis 1, and elevating gear is located frame 2, installs at elevating gear's output and bears frame 3, bears the frame and is used for bearing the thing box, and bears frame 3 and also is located frame 2.

When the number of the carrying boxes stacked in the carrying frame 3 is reduced, the carrying frame 3 is driven to ascend along with the weight reduction lifting device, so that the carrying frame 3 can integrally lift the stacked carrying boxes by a preset height, and people can conveniently take the carrying boxes without stooping.

In this embodiment, elevating gear includes: install at the relative upper slide 31 of bearing frame 3 bottom, install symmetrical lower slide 32 on the loading face of chassis 1, upper slide 31 and lower slide 32 are all parallel to each other, and the number of upper slide 31 and lower slide 32 in this embodiment is respectively two, and still installs the crane between upper slide 31 and lower slide 32, installs the driving piece on chassis 1, and the driving piece is used for driving the crane and goes up and down to drive whole 3 lifts that bear the frame.

Wherein, the crane includes: the two driving rods 35 on the lower slideway 32 are hinged to the sliding blocks 33 on the upper slideway 31 and the lower slideway 32, and the two driving rods 35 between the upper slideway 31 and the lower slideway 32 in each group are arranged in a crossed manner, and rotating rods 36 are movably inserted between the crossed parts of the four driving rods 35, so that when the sliding blocks 33 corresponding to each group move, the two driving rods 35 in each group can be driven to rotate in a crossed manner, and the upper slideway 31 is lifted up or lowered down to drive the bearing frame 3 to lift.

In this embodiment, the driving member includes: a pneumatic spring 34 installed at the edge of the chassis 1 at the bottom, the pneumatic spring 34 being disposed obliquely to form a predetermined acute angle with the ground, a connecting rod 37 being rotatably installed between the two driving levers 35, the connecting rod 37 being parallel to the rotating rod 36, and a piston rod of the pneumatic spring 34 being hinged to the connecting rod 37.

When the number of the loading boxes in the loading frame 3 is gradually increased or decreased, the pneumatic spring 34 drives the connecting rod 37 to move along with the change of gravity, and when the connecting rod 37 moves, the sliding block 33 can be driven to slide on the corresponding upper slide rail 31 and the corresponding lower slide rail 32, so that the loading frame 3 can be driven to ascend or descend to a preset height, the height of the loading boxes in the loading frame 3 also ascends or descends, and people can conveniently take and place the loading boxes.

In this embodiment, the bearing frame 3 includes two U-shaped frame plates 301 assembled with the upper chute 31, the U-shaped frame plates 301 surround the U-shaped frame plates 301 and are provided with rectangular frames 302, the inner contour of the rectangular frame 302 is matched with the outer contour of the loading box, when the loading box is placed, the rectangular frame 302 abuts against the outward turning edge of the loading box, and in addition, in order to reduce the abrasion of the rectangular frame 302 to the outer side of the loading box, the four corners of the rectangular frame 302 are provided with arc chamfers 303.

In addition, the vehicle frame 2 of the present embodiment includes: the two front vertical plates 20 vertically installed on the base frame 1 and the two rear vertical plates 21 installed on the base frame 1 are assembled with the hand push frame, the two front vertical plates 20 are located on one side, far away from the hand push frame, of the base frame 1, it needs to be described that the front vertical plates 20 of the embodiment are arranged to be arc-shaped plates consistent with the profile of the arc-shaped chamfer 303 of the rectangular frame 302, and due to the arrangement, the bearing frame 3 can be limited and protected, and meanwhile, the abrasion of the front vertical plates 20 to the outer side of the carrying box can be reduced.

In addition, be close to preceding riser 20 at chassis 1 and half wrap and be equipped with crashproof adhesive tape 4, crashproof adhesive tape 4 adopts the preparation of rubber material, and for firm connection crashproof adhesive tape 4, the edge of crashproof adhesive tape 4 and chassis 1 of this embodiment passes through rivet connection.

In this embodiment, the lifting motion and the lifting amplitude of the carriage 3 change with the change of the loaded gravity, or stepless adjustment can be performed by adjusting the pneumatic spring 34 within a specified range according to the use requirement, when the number of the loading boxes loaded on the rectangular frame 302 increases gradually, the driving rod 35 moves downwards under the action of gravity and pushes the pneumatic spring 34 to be compressed, so that the loading boxes in the carriage 3 are lowered to the corresponding height; on the contrary, when the number of the cassettes loaded on the rectangular frame 302 is gradually reduced, the driving rod 35 moves upwards under the tension of the pneumatic spring 34 as the gravity is reduced, so that the cassettes in the loading frame 3 are lifted to the corresponding height; other extra operations and power are not needed, so that people can conveniently take and place the object carrying box without bending down.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automatic lifting mechanism, comprising: a chassis (1) on which rollers (10) are mounted;

a frame (2) mounted on the chassis (1);

the lifting device is arranged on the underframe (1) and is positioned in the frame (2);

the bearing frame (3) is assembled with the output end of the lifting device and used for bearing the loading box, and the bearing frame (3) can be driven to lift under the action of the lifting device.

2. An automatic lifting mechanism according to claim 1, characterized in that said lifting means comprises: an upper slideway (31) which is arranged at the bottom of the bearing frame (3) and is relatively symmetrical; two lower slideways (32) which are arranged on the bottom frame (1) and are parallel to the upper slideways (31); a lifting frame arranged between the upper slideway (31) and the lower slideway (32); and the driving piece drives the output end of the lifting frame to lift.

3. The automatic lifting mechanism of claim 2, wherein the lifting frame comprises: a sliding block (33) which is arranged on the upper slideway (31) and the lower slideway (32) in a sliding way; two driving rods (35) with one end hinged to the same end of the upper slideway (31) and the lower slideway (32) and the other end hinged to the sliding block (33) and arranged in a crossed manner; and a rotating rod (36) movably inserted between the crossing parts of the two driving rods (35).

4. The automatic lifting mechanism of claim 2, wherein the drive member comprises: a connecting rod (37) which is rotatably arranged between the two driving rods (35) and is parallel to the rotating rod (36); and the bottom of the pneumatic spring (34) is arranged on the bottom frame (1) and is vertical to the connecting rod (37), and a piston rod of the pneumatic spring (34) is rotatably connected with the connecting rod (37).

5. An automatic lifting mechanism according to claim 1, characterized in that the carriage (3) comprises a U-shaped frame plate (301) fitted with an upper run (31); and a rectangular frame (302) arranged at the top of the U-shaped frame plate (301) in a surrounding mode, wherein arc-shaped chamfers (303) are arranged at four corners of the rectangular frame (302).

6. An automatic lifting mechanism according to claim 1, characterized in that said carriage (2) comprises: two front vertical plates (20) vertically arranged on the underframe (1); and the rear upright post (21) is vertically arranged on the bottom frame (1) and used for installing a handle, and the front upright plate (20) is arranged into an arc shape consistent with the profile of the arc chamfer (303).

7. The automatic lifting mechanism is characterized in that one side of the underframe (1) close to the front vertical plate (20) is half covered with an anti-collision rubber strip (4), and the anti-collision rubber strip (4) is detachably mounted with the underframe (1).

8. A cart comprising an automatic lifting mechanism as recited in any of claims 1-7.