CN109050633B

CN109050633B - A mobile foldable handling device

Info

Publication number: CN109050633B
Application number: CN201811155683.2A
Authority: CN
Inventors: 王智波; 梁丹; 梁冬泰; 崔玉国; 李平
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2018-09-30
Filing date: 2018-09-30
Publication date: 2021-06-22
Anticipated expiration: 2038-09-30
Also published as: CN109050633A

Abstract

A mobile foldable handling device, which relates to an indoor heavy object handling device, comprises a movable body, a handling mechanism, a retractable cart and a folding mechanism; the retractable cart is installed at the bottom of the body, and the folding mechanism The transport mechanism is fixedly connected, the folding mechanism is hinged with the body, and the transport mechanism is fixed on the body. The invention has compact structure, can be folded and retracted, is convenient to assemble and disassemble, occupies small space, and is suitable for household use.

Description

Movable foldable carrying device

Technical Field

The invention relates to an indoor heavy object carrying device, in particular to an indoor movable foldable carrying device.

Background

Along with people's standard of living's constantly improves, furniture and domestic appliance's update is constantly accelerated, often need to divide again in the room, and some domestic appliance need the shift position like refrigerator, washing machine this moment, and the removal of these domestic appliance and furniture is more hard, if only when alone, has more difficult, wastes time and energy.

The existing carrying machines on the market often need to carry heavy objects to the carrying machines manually, and then the heavy objects are carried by the traction mechanism. The structure is complicated, the disassembly and the assembly are inconvenient, the occupied space is large, and the application range is small.

Disclosure of Invention

The invention provides a movable foldable carrying device which is detachable, convenient and labor-saving to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that:

a movable foldable carrying device comprises a movable vehicle body, a carrying mechanism, a telescopic carrying vehicle and a folding mechanism; the telescopic carrying vehicle is arranged at the bottom of the vehicle body, the folding mechanism is fixedly connected with the carrying mechanism, the folding mechanism is hinged with the vehicle body, and the carrying mechanism is fixed on the vehicle body.

Further, the carrying mechanism comprises a clamping mechanism, a support, a stand column with a linear guide rail and a vertical driver; two stand columns with linear guide rails are supported on the vehicle body through a folding mechanism, a clamping mechanism and a support are slidably arranged on the stand columns with the linear guide rails, the support is connected with the clamping mechanism, a vertical driver is installed in each stand column with the linear guide rails, and the output end of each vertical driver is fixedly connected with the support.

Further, the clamping mechanism comprises a clamping arm, a horizontal auxiliary guide rail and a horizontal driver; the horizontal driver comprises a horizontal clamping driving motor, a ball screw pair and a connecting block; two horizontal auxiliary guide rail and leg joint, two the centre gripping arm slides through horizontal slider and sets up on the horizontal auxiliary guide rail, horizontal driver and centre gripping arm one-to-one set up, and the centre gripping arm is fixed on the connecting block, and the connecting block is connected with ball screw thread vice, and ball screw is vice to press from both sides with the level and is got driving motor's output and be connected, and driving motor is installed in the frame with the stand rigid coupling that has linear guide.

Furthermore, the telescopic carrying vehicle comprises a carrying plate, a roller group and a telescopic mechanism; the telescopic mechanism is arranged at the bottom of the vehicle body, the carrying plate is arranged at the bottom of the vehicle body in a sliding mode, the roller group is installed on the carrying plate, and the telescopic mechanism can drive the carrying plate to horizontally reciprocate.

Further, the telescopic mechanism comprises a driving motor, two gears and two racks; the output shaft of the driving motor is connected with a gear shaft, two gears are installed on the gear shaft, two racks are installed on the vehicle bottom plate side by side, and the gears are meshed with the racks.

Compared with the prior art, the invention has the beneficial effects that:

1. by adopting the double-sucker mechanism, when a heavy object is lifted, the sucker is firstly used for locking, and then the lifting operation is carried out, so that the stability and reliability of the lifting process are ensured.

2. Adopt double push rod hoist mechanism, at the promotion in-process, promote clamping device through double push rod motor simultaneously and rise, help improving and plant heavy and the stationarity of whole device, reliability.

3. The telescopic carrying vehicle with the bottom formed by the large-tooth-width double gear racks is capable of placing heavy objects by the aid of the bottom supporting plate after the heavy objects are lifted, and is free of clamping all the time, energy-saving, reliable and convenient to operate.

4. The clamping mechanism of the device can be disassembled, the carrying vehicle is telescopic, the carrying device and the traction handrail are foldable, the whole structure is compact, and the space utilization rate is high.

5. Utilize transport mechanism to realize automatic heavy object promotion, utilize and carry the thing board and pull the handrail and realize manual heavy object consignment, will be automatic and manual combine together, realize the light and handy promotion and the energy-conserving transport of heavy object, be fit for family expenses.

Drawings

FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;

FIG. 2 is a schematic view of the overall structure of the retractable cart of the present invention when extended;

FIG. 3 is a front view of the apparatus of the present invention;

FIG. 4 is a bottom view of the apparatus of the present invention;

FIG. 5 is a front view of the horizontal drive of the clamping mechanism of the apparatus of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at K;

FIG. 7 is a schematic view of the folding mechanism of the apparatus of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at I;

FIG. 9 is a schematic view of a horizontal slide of the apparatus of the present invention;

FIG. 10 is a schematic view of a groove on a horizontal rail of the device of the present invention.

Detailed Description

The invention is further illustrated by the following figures and examples.

Referring to fig. 1, a mobile foldable carrying device of the present embodiment includes a mobile vehicle body 1, a carrying mechanism 2, a retractable carrying cart 3, and a folding mechanism 4;

the telescopic carrying vehicle 3 is arranged at the bottom of the vehicle body 1, the folding mechanism 4 is fixedly connected with the carrying mechanism 2, the folding mechanism 4 is hinged with the vehicle body 1, and the carrying mechanism 2 is fixed on the vehicle body 1.

As shown in fig. 3, preferably, the handling mechanism 2 comprises a clamping mechanism 21, a bracket 22, a column 23 with auxiliary linear guides and a vertical driver 24; the two upright columns 23 with the linear guide rails are supported on the vehicle body 1 through the folding mechanism 4, the clamping mechanism 21 and the support 22 are slidably arranged on the auxiliary upright columns 23 with the linear guide rails, the support 22 is connected with the clamping mechanism 21, a vertical driver 24 is installed in each upright column 23 with the linear guide rails, and the output end of each vertical driver 24 is fixedly connected with the support 22. During operation, under the drive of vertical driver, support 22 and 21 up-and-down reciprocating motion of fixture realize the promotion of heavy object behind the fixture 21 centre gripping heavy object, treat that scalable year thing car 3 stretches out the assigned position, fixture 21 descends, loosens the arm lock, puts the heavy object on the year thing car that stretches out, promotes the light and handy transport of automobile body 1.

As shown in fig. 3, 5 and 6, preferably, the gripping mechanism 21 includes a gripping arm 211, a horizontal auxiliary linear guide 215 and a horizontal driver; the horizontal driver comprises a horizontal clamping driving motor 212, a ball screw pair 213 and a connecting block 214; the two horizontal auxiliary linear guide rails 215 are connected with the support 22, the two clamping arms 211 are arranged on the horizontal auxiliary linear guide rails 215 in a sliding mode through horizontal sliding blocks, the horizontal drivers and the clamping arms 211 are arranged in a one-to-one correspondence mode, the clamping arms 211 are fixed on the connecting block 214, the connecting block 214 is in threaded connection with a lead screw of the ball screw pair 213, and a lead screw of the ball screw pair 213 is connected with an output end of the horizontal clamping driving motor 212. The inner ring of the clamping arm is made of anti-skid materials, and the friction coefficient is increased. Horizontal sliding blocks are mounted at the end parts of the two clamping arms 211 and move linearly in the horizontal auxiliary guide rail 215, so that the two clamping arms 211 can move horizontally. The horizontal clamping driving motor 212 is fixed on the rack 216, an output shaft of the horizontal clamping driving motor 212 is fixed with a lead screw of the ball screw pair 213 through a coupler, the connecting block 214 is mounted on the lead screw, the inside of the connecting block 214 is matched with the lead screw through balls, the connecting block 214 is converted into linear motion along with the rotation angle of the lead screw according to the lead of the corresponding specification, and the two clamping arms 211 are respectively connected with the connecting block 214 through bolts so as to realize corresponding linear motion. The horizontal auxiliary guide rail 215 is respectively matched with the clamping arm 211 on the left side and the clamping arm 211 on the right side, so that the horizontal movement of the two clamping arms 211 is realized, a vertical sliding block is arranged on the back of the horizontal auxiliary guide rail 215, and the vertical sliding block makes linear motion in a sliding groove of the upright post 23 with the linear guide rail, so that the vertical motion of the clamping mechanism 21 is ensured. As a modification of the above embodiment, the vertical driver 24 is an electric push rod. An electric push rod is arranged in each upright column 23 with a linear guide rail. The push rod motors are arranged on the upright post 23 with the linear guide rails symmetrically, the top of the electric push rod is in direct contact with the support 22, the push rod motors work, the push rod is withdrawn or retracted, the support 22 moves up and down, and then the clamping mechanism 21, the support 22 and the vertical sliding block are driven to move up and down integrally.

As shown in fig. 2 and 3, the retractable carrying cart 3 preferably includes a carrying board 31, a roller set 32 and a retractable mechanism 33; the telescopic mechanism 33 is arranged at the bottom of the vehicle body 1, the carrying plate 31 is arranged at the bottom of the vehicle body 1 in a sliding manner, the roller group 32 is arranged on the carrying plate 31, and the telescopic mechanism 33 can drive the carrying plate 31 to horizontally reciprocate. The telescoping mechanism 33 includes a drive motor 331, two gears 332, and two racks 333; an output shaft of the driving motor 331 is connected with a gear shaft, two gears 332 are mounted on the gear shaft, two racks 333 are mounted on the vehicle bottom plate 31 side by side, and the gears 332 and the racks 333 are meshed.

As shown in fig. 2, 3 and 4, the loading plate 31 is slidably disposed at the bottom of the vehicle body 1 through a fixed guide rail 334, the fixed guide rail 334 limits the side edge of the loading plate inside the fixed guide rail to ensure horizontal movement, the gear widths of the gear 332 and the rack 333 used by the retractable loading vehicle 3 are large, two sets of the rack are designed and symmetrically distributed, and the used fixed guide rail 334 ensures the stability of gear-rack engagement and further ensures the stability of vehicle body movement.

As shown in fig. 7, 8, 9 and 10, preferably, the folding mechanism 4 comprises a hinge 41 and a support bar 42; the vehicle body 1 is provided with two grooves, the upright 23 with the linear guide rail is connected with the grooves through a hinge 41, two inner side walls of the grooves are respectively provided with a horizontal slide rail 44, one end of the horizontal slide rail 44 close to the hinge 41 is respectively provided with a groove 441, when the vehicle body works, a support slider 442 at the tail part of a support rod 42 can be clamped into the grooves 441, and the upright 23 with the linear guide rail is assisted to be vertically arranged. After the upright 23 with the linear guide rail is vertically arranged, the other side of the upright 23 with the linear guide rail is fixed on the vehicle body 1 through a supporting corner connector 43. The support rod 42 plays a supporting role; the supporting corner connector 43 is arranged at the bottom of the upright post 23 with a linear guide rail and plays a supporting role when a heavy object is lifted. When the device is folded, the clamping mechanism 21 is taken down, the supporting slide block 442 is taken out from the groove 441, and the upright 23 with the linear guide rail is turned down stably.

As shown in fig. 4, preferably, a towing handrail 12 is installed on the side of the vehicle body 1 opposite to the holding arm 211, the towing handrail 12 is installed on both sides of the vehicle body 1 by hinges, and a pair of vacuum cups 14 are installed on the bottom of the vehicle body 1 near the towing handrail, and each vacuum cup 14 includes three small suction cups. Three small suction cups are added to each vacuum cup 14 to provide sufficient suction to work on different ground surfaces. A pair of universal wheels 13 and a pair of vehicle rollers 15 are arranged on the vehicle body 1, the pair of universal wheels 13 are arranged on one side close to the towing handrail 12, and the pair of vehicle rollers 15 are arranged on the other side opposite to the one side. The universal wheel 13 is arranged at one end close to the traction handrail 12, so that turning is conveniently realized.

Principle of operation

During operation, the upright 23 with the linear guide rail is slowly erected, the supporting slide block 442 at the tail end of the supporting rod 42 of the folding mechanism 4 is clamped into the groove 441 and is matched with the supporting corner connector 43 to play a supporting role, and then the clamping mechanism 21 is installed into the sliding groove of the upright 23 with the linear guide rail through the vertical slide block, so that the top of the electric push rod is abutted against the bracket 22, and the two clamping arms 211 are installed. Then, the carrier plate 31 is pushed to a designated position, the horizontal clamping driving motor 212 works, the two clamping arms 211 are slowly tightened, after the two clamping arms 211 clamp a heavy object (a refrigerator, a washing machine and the like), a push rod of the electric push rod extends out to push the clamping mechanism 21 to ascend, then the object carrying plate 31 of the telescopic object carrying vehicle extends to the designated position, the push rod of the electric push rod descends, the clamping mechanism 21 descends, clamping arms are loosened to place the heavy object on the extended object carrying plate 31, and energy-saving and light carrying of the heavy object is manually realized by pulling the handrail 12.

The above-described embodiments are merely illustrative of the technical ideas and features of the present invention and are not intended to limit the present invention, and any modifications and changes made within the spirit of the present invention and the scope of the claims are included in the scope of the present invention.

The present invention is not limited to the above embodiments, and any person skilled in the art can make many modifications and equivalent variations by using the above-described structures and technical contents without departing from the scope of the present invention.

Claims

1. A mobile foldable handling device, characterized in that: it comprises a movable body (1), a handling mechanism (2), a retractable cart (3) and a folding mechanism (4);

The retractable vehicle (3) is installed on the bottom of the body (1), the folding mechanism (4) is fixedly connected with the transport mechanism (2), the folding mechanism (4) is hinged with the body (1), and the transport mechanism (2) is fixed on the on the body (1);

The conveying mechanism (2) includes a clamping mechanism (21), a bracket (22), a column (23) with a linear guide rail and a vertical drive (24); two of the columns (23) with a linear guide rail Supported on the body (1) by the folding mechanism (4), the clamping mechanism (21) and the bracket (22) are slidably arranged on the upright column (23) with the linear guide rail, the bracket (22) and the clamping mechanism (21) ) connection, a vertical driver (24) is installed in each column (23) with a linear guide rail, and the output end of the vertical driver (24) is fixedly connected to the bracket (22);

The clamping mechanism (21) comprises a clamping arm (211), a horizontal auxiliary guide rail (215) and a horizontal driver; the horizontal driver comprises a horizontal clamping driving motor (212), a ball screw pair (213) and a connecting block (214); the two horizontal auxiliary guide rails (215) are connected to the bracket (22), the two clamping arms (211) are slidably arranged on the horizontal auxiliary guide rail (215) through the horizontal slider, and the horizontal driver One-to-one correspondence with the clamping arm (211), the clamping arm (211) is fixed on the connecting block (214), the connecting block (214) is threadedly connected with the lead screw of the ball screw pair (213), and the ball screw pair The lead screw of (213) is connected with the output end of the horizontal clamping driving motor (212), and the horizontal clamping driving motor (212) is installed on the frame (216) fixedly connected with the upright column (23) with the linear guide rail;

The telescopic vehicle (3) includes a carrier board (31), a roller set (32) and a telescopic mechanism (33); the telescopic mechanism (33) is arranged at the bottom of the vehicle body (1), and the carrier board (31) The fixed guide rail (334) is slidably arranged at the bottom of the vehicle body (1), the roller set (32) is mounted on the object carrier (31), and the telescopic mechanism (33) can drive the object carrier (31) to reciprocate horizontally; 33) It includes a drive motor (331), two gears (332) and two racks (333); the output shaft of the drive motor (331) is connected with the gear shaft, and two gears (332) are mounted on the gear shaft, and the two The racks (333) are installed side by side on the loading plate (31), and the gears (332) are engaged with the racks (333).

2 . The mobile foldable conveying device according to claim 1 , wherein the vertical drive ( 24 ) is an electric push rod. 3 .

3. A mobile foldable conveying device according to claim 1 or 2, characterized in that: the folding mechanism (4) comprises a hinge hinge (41) and a support rod (42); The vertical column (23) with the linear guide rail is connected to the groove through the hinge hinge (41), the two inner side walls of the groove are respectively provided with horizontal slide rails (44), and the horizontal slide rail (44) is close to the hinge hinge (41). ) is respectively provided with a groove (441) at one end. In the working state, the support slider (442) at the end of the support rod (42) can be snapped into the groove (441), and the column (23) with the linear guide is in the shape of a Vertical arrangement.

4. A mobile foldable handling device according to claim 3, characterized in that: after the vertical column (23) with the linear guide rail is arranged vertically, the other side of the column (23) with the linear guide rail passes through the supporting angle The code (43) is fixed on the body (1).

5. A mobile foldable conveying device according to claim 4, characterized in that: the side of the vehicle body (1) opposite to the clamping arm (211) is provided with a traction armrest (12), and the traction armrest (12) Installed on both sides of the vehicle body (1) through hinges, a pair of vacuum suction cups (14) are also installed at the bottom of the vehicle body (1) near the traction armrest, and each vacuum suction cup (14) contains three small suction cups.

6. A mobile foldable conveying device according to claim 5, characterized in that: a pair of universal wheels (13) and a pair of vehicle rollers (15) are installed on the body (1), and a pair of universal wheels ( 13) Installed on the side close to the traction handrail (12), and a pair of vehicle rollers (15) are installed on the other side opposite to the side.