CN108099981B - Multifunctional trolley - Google Patents

Multifunctional trolley Download PDF

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Publication number
CN108099981B
CN108099981B CN201711350135.0A CN201711350135A CN108099981B CN 108099981 B CN108099981 B CN 108099981B CN 201711350135 A CN201711350135 A CN 201711350135A CN 108099981 B CN108099981 B CN 108099981B
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China
Prior art keywords
platform
pulley
expansion bracket
frame
mount
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CN201711350135.0A
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CN108099981A (en
Inventor
田文彤
张斌
孔维鹏
陈天翔
潘卫华
卜金伟
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Changzhou Institute of Technology
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Changzhou Institute of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/02Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00Accessories or details specially adapted for hand carts

Abstract

The invention discloses a multifunctional trolley, and belongs to the field of carrying tools. The trolley comprises an upper layer platform, a bottom layer platform and a push handle, wherein the push handle is fixed at the rear part of the bottom layer platform, and the upper layer platform is arranged on a vertical arm of the push handle through a vertical lifting mechanism; the bottom platform includes bottom platform mount and bottom platform expansion bracket, bottom platform mount and the flexible cooperation of bottom platform expansion bracket, and the front portion of bottom platform expansion bracket is equipped with the front wheel, and the rear portion of bottom platform mount is equipped with the rear wheel, still is equipped with elastic mechanism between bottom platform mount and the bottom platform expansion bracket, still is equipped with the link gear who drives the retraction of bottom platform expansion bracket along with the upper platform rises between upper platform and the bottom platform expansion bracket. The invention improves the loading capacity of the handcart, so that the handcart has multiple functions, the upper-layer platform and the bottom-layer platform are combined together through the linkage mechanism, the functions are coordinated, the use is more flexible, the operation is simpler, and the working efficiency is improved.

Description

Multifunctional trolley
Technical Field
The present invention relates to a cart, and more particularly, to a multi-function cart.
Background
At present, many single-function product designs on the market can not meet the increasingly developed living demands of people, many products have single functions and are not innovative, and the products only can cause people to feel that resources are wasted, space is occupied, money is wasted, people feel chicken ribs, and various inconveniences are brought to the life and work of people. The multifunctional design is that functions with practical value are added on the basis of products with single functions, but in the current market, a plurality of multifunctional products have no practical value, are designed and produced completely for the functions, and some multifunctional products have no connection between the functions, so that the waste of the functions is generated.
A cart is a transport vehicle that is manually pushed and pulled, and has been used as an indispensable transport tool. The traditional handcart has single function, small loading area and few east-west clothes. Along with the continuous development of the material handling technology of the trolley, the trolley is also developing towards the direction of multiple functionalization. For example, the Chinese patent number ZL201520317428.9, the granted announcement date is 2015, 9 and 30, and the invention creation name is as follows: the utility model provides a multi-functional foldable luggage van, this application relates to a multi-functional foldable luggage van, it includes the expansion bracket, vertical bracket, the fore-stock, the middle bracket, the rear bracket, the locating lever, the bedplate, the wheel, expansion bracket one end is inserted in vertical bracket both sides bracing piece, can follow the bracing piece and slide, vertical bracket passes through bracing piece both sides welded L type connecting plate and the articulated of fore-stock one end, fore-stock and rear bracket structure are the same, the symmetry articulates in the middle bracket both ends, the wheel passes through triangular support board and axletree and fore-stock and rear bracket connected. The luggage van of this application has certain adaptability to the goods that carry, can be according to the size, shape or the weight of the goods that carry, warp to handcart or hand buggy use, still can be in the midway of dragging goods warp to seat for the people sit on it the usefulness of having a rest, and the function is various. However, the luggage barrow of the application still adopts the structural form of the traditional barrow, the loading capacity of the luggage barrow is limited, the deformation among the barrow, the hand buggy and the seat is realized only by folding, only one specific function can be realized in a certain state, and all functions cannot be linked, so that the luggage barrow is inconvenient to use and difficult to operate.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to overcome the defects of single function, poor loading capacity and the like of the existing trolley, and provides a multifunctional trolley.A technical scheme of the invention is adopted, the trolley is provided with an upper layer platform and a lower layer platform, the upper layer platform can move up and down, the lower layer platform is provided with a telescopic lower layer platform telescopic frame, the lifting movement of the upper layer platform and the telescopic lower layer platform telescopic frame are provided with a linkage mechanism, the upper layer platform can be used as a seat when loading goods, the trolley is convenient to rest in the goods conveying process, the loading capacity of the trolley is improved, the trolley has multiple functions, the upper layer platform and the lower layer platform are combined together through the linkage mechanism in an integrated mode, the use is more flexible, and the operation is simpler; meanwhile, the upper platform is also provided with a telescopic frame, so that the loading capacity of the trolley is further improved, and the upper platform can be turned over and folded, so that the trolley is very convenient to use; in addition, the upper-layer platform is provided with a folding table plate when used as a seat, has complete functions, can be used in various occasions and provides great convenience for people.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a multifunctional trolley, which comprises an upper layer platform, a bottom layer platform and a push handle, wherein the push handle is fixed at the rear part of the bottom layer platform; the bottom platform include bottom platform mount and bottom platform expansion bracket, bottom platform mount and the flexible cooperation of bottom platform expansion bracket, and the front portion of bottom platform expansion bracket is equipped with the front wheel, the rear portion of bottom platform mount is equipped with the rear wheel, bottom platform mount and bottom platform expansion bracket between still be equipped with and be used for keeping the elastic mechanism that bottom platform expansion bracket elasticity stretches out, upper platform and bottom platform expansion bracket between still be equipped with and drive the link gear of bottom platform expansion bracket withdrawal along with the upper platform rises.
Further, the link gear include assembly pulley and haulage rope, the assembly pulley install between upper platform and bottom platform mount, the one end of haulage rope connect on bottom platform expansion bracket, the other end is walked around the assembly pulley and is connected on upper platform or bottom platform mount, the ascending haulage rope length that drives between upper platform and the bottom platform mount of upper platform increases and the withdrawal of pulling bottom platform expansion bracket.
Furthermore, the two groups of linkage mechanisms are arranged on two sides of the trolley, the pulley blocks of each group of linkage mechanisms comprise a first pulley, a second pulley, a third pulley and a fourth pulley, the first pulley and the third pulley are mounted on the upper-layer platform, the second pulley and the fourth pulley are mounted on the bottom-layer platform fixing frame, one end of the traction rope is connected to the bottom-layer platform fixing frame, and the other end of the traction rope sequentially rounds the first pulley, the second pulley and the third pulley and is connected with the bottom-layer platform telescopic frame after being turned by the fourth pulley.
Furthermore, the vertical lifting mechanism comprises a guide rail, an upper platform lifting slide seat, a sliding block and a lifting driving mechanism, wherein the guide rail is vertically arranged on vertical arms at two sides of the pushing handle, the upper platform lifting slide seat is arranged on the guide rail through the sliding block, the lifting driving mechanism is arranged between the bottom platform fixing frame and the upper platform lifting slide seat, and the upper platform is arranged on the upper platform lifting slide seat.
Furthermore, the lifting driving mechanism is a pedal lifting hydraulic pump.
Furthermore, the upper platform and the upper platform lifting slide seat are rotatably connected through a turnover hinge, and the upper platform can be upwards turned and folded on the upper part of the pushing handle.
Furthermore, the bottom of the upper platform is also provided with telescopic supporting legs which are rotatably connected with the upper platform; the telescopic supporting legs comprise a supporting outer frame and a supporting inner frame which is slidably arranged at the bottom of the supporting outer frame, and a locking mechanism is further arranged between the supporting outer frame and the supporting inner frame.
Furthermore, the upper platform comprises an upper platform fixing frame and an upper platform telescopic frame, and the upper platform telescopic frame is arranged on the upper platform fixing frame through a sliding rail.
Furthermore, the two sides of the upper platform are provided with handrails, a table plate fixing rod and a table plate are further arranged on the handrail positioned on one side, the table plate fixing rod can be installed on the handrails in a forward overturning mode, and the table plate is installed on the table plate fixing rod in a rotating mode.
Furthermore, the elastic mechanism is a controllable gas spring.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) the multifunctional trolley is provided with the upper layer of platform and the lower layer of platform, the upper layer of platform can move up and down, the bottom layer of platform is provided with the telescopic bottom layer telescopic frame, the lifting movement of the upper layer of platform and the telescopic frame of the bottom layer of platform are provided with the linkage mechanism, the upper layer of platform can be used as a seat when being loaded with goods, the goods can be conveniently rested in the transportation process, the loading capacity of the trolley is improved, the trolley has multiple functions, the upper layer of platform and the bottom layer of platform are combined together through the linkage mechanism in an organic mode, the functions are coordinated, the use is more flexible, the operation is simpler, the working efficiency is improved, and a large amount of working time is saved;
(2) the linkage mechanism of the multifunctional trolley comprises the pulley block and the traction rope, the upper platform rises to drive the length of the traction rope between the upper platform and the bottom platform fixing frame to be increased, and the traction rope pulls the bottom platform telescopic frame to retract; two groups of linkage mechanisms are arranged on two sides of the trolley, and the pulley blocks of each group of linkage mechanisms comprise a first pulley, a second pulley, a third pulley and a fourth pulley, so that the winding times of a traction rope between the upper-layer platform and the bottom-layer platform fixing frame are increased, the lifting stroke of the upper-layer platform is in a multiple relation with the telescopic stroke of the bottom-layer platform telescopic frame, the relation between the lifting height of the upper-layer platform and the telescopic length of the bottom-layer platform telescopic frame is met, and the design is reasonable and ingenious;
(3) according to the multifunctional trolley, the vertical lifting mechanism is guided by the guide rail and slide block mechanism, and the pedal lifting hydraulic pump is used as a lifting power source, so that the lifting is stable and reliable, the bearing capacity is strong, the pedal lifting hydraulic pump is flexible and convenient to operate, and the use is convenient;
(4) according to the multifunctional trolley, the upper platform is rotatably connected with the upper platform lifting slide seat through the turnover hinge, the upper platform can be turned upwards and folded at the upper part of the push handle, the multifunctional trolley can be folded without using the upper platform, the space of the bottom platform is not occupied after the multifunctional trolley is folded, and the multifunctional trolley is very convenient and fast to use; in addition, the bottom of the upper platform is also provided with telescopic support legs which are supported on the bottom platform, so that the bearing capacity of the upper platform is increased, and the upper platform is more reliable and stable; meanwhile, the upper-layer platform is also provided with a telescopic frame, so that the loading capacity of the trolley is further improved;
(5) according to the multifunctional trolley, the handrails are arranged on the two sides of the upper-layer platform, the table plate fixing rod and the table plate are further arranged on the handrail on one side, so that a user can write and place articles such as a mobile phone and the like during rest, the multifunctional trolley is complete in function, can be used in various occasions, and provides great convenience for people;
(6) according to the multifunctional trolley, the elastic mechanism adopts the controllable gas spring, the trolley can stop at any position of the telescopic stroke of the telescopic frame of the bottom platform, and has enough locking force, so that the structural stability of the bottom platform is ensured.
Drawings
FIG. 1 is an angled configuration of a multi-function cart according to the present invention;
FIG. 2 is a schematic view of another angle of the multi-function cart of the present invention;
FIG. 3 is a schematic view of a table of the multi-function cart of the present invention;
fig. 4 is a schematic view of the folding structure of the upper platform of the multifunctional handcart.
The reference numerals in the schematic drawings illustrate:
1. a bottom layer platform fixing frame; 2. a bottom platform telescoping rack; 3. a front wheel; 4. a rear wheel; 5. a pushing handle; 6. a guide rail; 7. an upper platform lifting slide seat; 8. a slider; 9. an upper platform fixing frame; 10. an upper platform telescopic frame; 11. a slide rail; 12. turning over the hinge; 13. a lifting drive mechanism; 14. a pulley block; 14-1, a first pulley; 14-2, a second pulley; 14-3, a third pulley; 14-4, a fourth pulley; 15. a hauling rope; 16. an elastic mechanism; 17. a support frame; 18. a support inner frame; 19. a handrail; 20. a desk plate fixing rod; 21. a table board.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
Referring to fig. 1 to 4, the multifunctional cart of the present embodiment includes an upper platform, a bottom platform and a pushing handle 5, the pushing handle 5 is fixed at the rear portion of the bottom platform, the use of the pushing handle pushes or pulls the entire cart to move, the upper platform is installed on the vertical arm of the pushing handle 5 through a vertical lifting mechanism, the upper platform is located right above the bottom platform, and the vertical lifting mechanism can drive the upper platform to perform lifting movement on the vertical arm of the pushing handle 5. Adopt double-deck platform, upper and lower two-deck platform all can carry the thing, has improved the bearing capacity of handcart to upper platform can also supply the rest to use as the chair. The bottom platform includes bottom mount 1 and bottom platform expansion bracket 2, bottom platform mount 1 and the flexible cooperation of bottom platform expansion bracket 2, and the front portion of bottom platform expansion bracket 2 is equipped with front wheel 3, the rear portion of bottom platform mount 1 is equipped with rear wheel 4, still be equipped with between bottom platform mount 1 and the bottom platform expansion bracket 2 and be used for keeping the elastic mechanism 16 that bottom platform expansion bracket 2 elasticity stretches out, still be equipped with between upper platform and the bottom platform expansion bracket 2 and rise and drive the link gear of the 2 retractions of bottom platform expansion bracket along with the upper platform. In the ascending process of the upper platform, the bottom platform telescopic frame 2 can be driven to contract inwards through the linkage mechanism, and when the upper platform descends, the bottom platform telescopic frame 2 can synchronously extend out under the action of the elastic mechanism 16, the height of the upper platform and the height of the lower platform can be adjusted according to different device requirements, so that the use is more flexible, the operation is simpler, the working efficiency is improved, and a large amount of working time is saved; in addition, when the upper platform is used as a seat, the partially extended bottom platform expansion bracket 2 can support the feet of a user, so that the passenger can push the seat conveniently, the passenger is very suitable for baggage transportation in airports, stations and the like, and the fatigue of passengers who run for long distance is greatly relieved.
Referring to fig. 1 and 2, in this embodiment, the above-mentioned link gear includes a pulley block 14 and a traction rope 15, the pulley block 14 is installed between the upper platform and the bottom platform fixing frame 1, one end of the traction rope 15 is connected to the bottom platform telescopic frame 2, the other end is connected to the upper platform or the bottom platform fixing frame 1 after bypassing the pulley block 14, the upper platform rises to drive the length of the traction rope 15 between the upper platform and the bottom platform fixing frame 1 to increase and to pull the bottom platform telescopic frame 2 to retract, the link gear has a simple structure, and is convenient to set, low in cost, and stable and reliable. Specifically, two groups of linkage mechanisms are arranged on two sides of the trolley, each group of linkage mechanisms comprises a pulley block 14 comprising a first pulley 14-1, a second pulley 14-2, a third pulley 14-3 and a fourth pulley 14-4, the first pulley 14-1 and the third pulley 14-3 are mounted on an upper-layer platform, the second pulley 14-2 and the fourth pulley 14-4 are mounted on a bottom-layer platform fixing frame 1, one end of a traction rope 15 is connected to the bottom-layer platform fixing frame 1, and the other end of the traction rope sequentially rounds the first pulley 14-1, the second pulley 14-2 and the third pulley 14-3 and is connected with a bottom-layer platform telescopic frame 2 after being steered through the fourth pulley 14-4. Adopt the reciprocal wire-wound mode of multiunit pulley, increased the wire winding number of times of haulage rope 15 between upper platform and bottom platform mount 1, the lift stroke that makes the upper platform is multiple relation with the flexible stroke of bottom platform expansion bracket 2, the flexible length relation of upper platform lift height and bottom platform expansion bracket 2 has been satisfied, one section small distance of upper platform lift can make one section long distance of bottom platform expansion bracket 2 flexible, reasonable in design is ingenious, and set up simple and convenient, and is stable and reliable.
Continuing to fig. 1 and fig. 2, in this embodiment, the above-mentioned vertical lifting mechanism includes a guide rail 6, an upper platform lifting slide 7, a slider 8 and a lifting driving mechanism 13, the guide rail 6 is vertically installed on the vertical arms at both sides of the pushing handle 5, the upper platform lifting slide 7 is installed on the guide rail 6 through the slider 8, the lifting driving mechanism 13 is installed between the bottom platform fixing frame 1 and the upper platform lifting slide 7, and the upper platform is installed on the upper platform lifting slide 7. The guide rail and slide block mechanism is adopted for guiding, and the lifting is stable and reliable. In addition, in this embodiment, the lifting driving mechanism 13 is preferably a pedal lifting hydraulic pump, which is a lifting hydraulic oil pump dedicated for a commercially available beauty treatment chair (or a beauty treatment chair), and the lifting hydraulic pump controls the lifting motion of the lifting hydraulic pump by stepping on the lever with a foot, and during operation, the lifting hydraulic pump extends by stepping on the lever with a light foot, and retracts by stepping on the lever with a heavy foot. In addition, in the embodiment, the elastic mechanism 16 is preferably a controllable gas spring, which can stop at any position of the telescopic stroke of the telescopic frame 2 of the bottom platform, and has enough locking force, thereby ensuring the structural stability of the bottom platform.
Referring to fig. 1 and 4, in this embodiment, the upper platform is rotatably connected with the upper platform lifting slide 7 through the turnover hinge 12, the upper platform can be folded upwards on the upper portion of the pushing handle 5, the upper platform can be folded without using the upper platform, and the folded upper platform does not occupy the space of the bottom platform, so that the use is very convenient. The self-locking folding hinge 12 is preferably a self-locking folding hinge, a self-locking pull rod is arranged in the middle of the self-locking folding hinge, the self-locking pull rod is composed of two springs, the self-locking function of the hinge can be realized through the self-locking pull rod, and the self-locking folding hinge has the advantages of being good in fixation performance, strong in bearing capacity and the like. In addition, the bottom of the upper platform is also provided with telescopic supporting legs, and the telescopic supporting legs are rotatably connected with the upper platform and used for supporting the upper platform on the bottom platform, so that the bearing capacity of the upper platform is increased, and the upper platform is more reliable and stable. Telescopic support leg in this embodiment is including supporting frame 17 and slidable mounting in the support inside casing 18 that supports frame 17 bottom, support frame 17 and support inside casing 18 and be "U" shape, and support frame 17 and support the shank split sleeve of inside casing 18 both sides together, realize the flexible cooperation of slip, support frame 17 and support still be equipped with locking mechanism between the inside casing 18, this locking mechanism can be for locating the fastening screw who supports on the frame 17, the flexible length that can realize telescopic support leg through fastening screw's elasticity is fixed, moreover, the steam generator is simple in structure, and convenience is brought to setting. In addition, in this embodiment, the upper platform includes an upper platform fixing frame 9 and an upper platform telescopic frame 10, and the upper platform telescopic frame 10 is installed on the upper platform fixing frame 9 through a sliding rail 11, so that the loading capacity of the trolley is further improved. The sliding rail 11 is preferably a commercially available steel ball type sliding rail, and the sliding rail is low in price, simple in structure and good in bearing capacity, meets the carrying requirement of the upper platform telescopic frame 10, and effectively increases the carrying area. Different with the extending structure of upper platform, the extending structure of bottom platform adopts the bushing structure, and the pipe diameter of bottom platform mount 1 is greater than the pipe diameter of bottom platform expansion bracket 2 promptly, and the 2 covers of bottom platform expansion bracket are established and are realized concertina movement in bottom platform mount 1, compares with slide rail structure, simple structure, and intensity is high, and bearing capacity is strong, compares and also can put more things in upper platform. As shown in fig. 3, handrails 19 are further arranged on two sides of the upper platform, a table plate fixing rod 20 and a table plate 21 are further arranged on the handrail 19 on one side, the table plate fixing rod 20 can be installed on the handrail 19 in a forward overturning manner, the table plate 21 is rotatably installed on the table plate fixing rod 20, a user can write and place articles such as a mobile phone during a rest, the functions are complete, and the multifunctional desk can be used in various occasions and provide great convenience for people. When the desk plate is used, the desk plate fixing rod 20 and the desk plate 21 are firstly turned forward by 180 degrees, the desk plate fixing rod 20 is supported on the handrail 19 by utilizing the self structure of the desk plate fixing rod 20, and then the desk plate 21 is turned inwards by 90 degrees, so that the desk plate 21 is horizontally arranged on the desk plate fixing rod 20, the use is very convenient, and the space is not occupied after the desk plate is folded.
In addition, the front wheel 3 and the rear wheel 4 of the multifunctional trolley of the embodiment both adopt universal wheels with self-locking function, and the multifunctional trolley is very convenient and flexible to move. During the use, only need step on the auto-lock switch of wheel top gently, just can lock the wheel, if need the unblock, only need mention the platelet gently and just can unlock the wheel.
According to the multifunctional trolley, the trolley is provided with the upper layer of platform and the lower layer of platform, the upper layer of platform can move up and down, the bottom layer of platform is provided with the telescopic bottom layer of platform telescopic frame, the lifting movement of the upper layer of platform and the telescopic bottom layer of platform are provided with the linkage mechanism, the upper layer of platform can be used as a seat when being loaded with goods, so that the goods can be conveniently rested in the transportation process, the loading capacity of the trolley is improved, the trolley has multiple functions, the upper layer of platform and the bottom layer of platform are combined together through the linkage mechanism in an organic mode, the trolley is more flexible to use, and the operation is simpler; meanwhile, the upper platform is also provided with a telescopic frame, so that the loading capacity of the trolley is further improved, and the upper platform can be turned over and folded, so that the trolley is very convenient to use; in addition, the upper-layer platform is provided with a folding table plate when used as a seat, has complete functions, can be used in various occasions and provides great convenience for people.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims (10)

1. The utility model provides a multifunctional trolley, includes upper platform, bottom platform and pushing hands (5), its characterized in that: the push handle (5) is fixed at the rear part of the bottom platform, the upper platform is arranged on a vertical arm of the push handle (5) through a vertical lifting mechanism, and the upper platform is positioned right above the bottom platform; the bottom platform include bottom platform mount (1) and bottom platform expansion bracket (2), bottom platform mount (1) and bottom platform expansion bracket (2) flexible cooperation, and the front portion of bottom platform expansion bracket (2) is equipped with front wheel (3), the rear portion of bottom platform mount (1) is equipped with rear wheel (4), bottom platform mount (1) and bottom platform expansion bracket (2) between still be equipped with and be used for keeping elastic mechanism (16) that bottom platform expansion bracket (2) stretch out, upper platform and bottom platform expansion bracket (2) between still be equipped with and drive the link gear of bottom platform expansion bracket (2) withdrawal along with the upper platform rises.
2. A multi-function cart according to claim 1, wherein: the link gear include assembly pulley (14) and haulage rope (15), assembly pulley (14) install between upper platform and bottom platform mount (1), the one end of haulage rope (15) connect on bottom platform expansion bracket (2), the other end is walked around assembly pulley (14) and is connected on upper platform or bottom platform mount (1) after, the ascending haulage rope (15) length increase that drives between upper platform and bottom platform mount (1) and pulling bottom platform expansion bracket (2) withdrawal.
3. A multi-function cart according to claim 2, wherein: two groups of linkage mechanisms are arranged on two sides of the trolley, the pulley block (14) of each group of linkage mechanisms comprises a first pulley (14-1), a second pulley (14-2), a third pulley (14-3) and a fourth pulley (14-4), the first pulley (14-1) and the third pulley (14-3) are arranged on the upper platform, the second pulley (14-2) and the fourth pulley (14-4) are arranged on the bottom layer platform fixing frame (1), one end of the traction rope (15) is connected to the bottom layer platform fixing frame (1), and the other end of the traction rope is connected with the bottom layer platform telescopic frame (2) after sequentially passing around the first pulley (14-1), the second pulley (14-2) and the third pulley (14-3) and turning through the fourth pulley (14-4).
4. A multi-function cart according to claim 3, wherein: vertical lift mechanism include guide rail (6), upper platform lift slide (7), slider (8) and lift actuating mechanism (13), vertical the installing on the vertical arm of pushing hands (5) both sides of guide rail (6), upper platform lift slide (7) install on guide rail (6) through slider (8), lift actuating mechanism (13) install between bottom platform mount (1) and upper platform lift slide (7), upper platform install on upper platform lift slide (7).
5. A multi-function trolley as claimed in claim 4, wherein: the lifting driving mechanism (13) is a pedal lifting hydraulic pump.
6. A multi-function trolley as claimed in claim 4, wherein: the upper platform and the upper platform lifting sliding seat (7) are rotatably connected through a turnover hinge (12), and the upper platform can be turned upwards and folded on the upper part of the pushing handle (5).
7. A multi-function cart according to claim 6, wherein: the bottom of the upper platform is also provided with telescopic supporting legs which are rotatably connected with the upper platform; the telescopic support leg comprises a support outer frame (17) and a support inner frame (18) which is slidably arranged at the bottom of the support outer frame (17), and a locking mechanism is further arranged between the support outer frame (17) and the support inner frame (18).
8. A multi-function trolley according to any one of claims 1 to 7, further comprising: the upper platform comprises an upper platform fixing frame (9) and an upper platform telescopic frame (10), wherein the upper platform telescopic frame (10) is arranged on the upper platform fixing frame (9) through a sliding rail (11).
9. A multi-function cart according to claim 8, wherein: the both sides of upper platform be equipped with handrail (19), and be located handrail (19) of one side and still be equipped with table dead lever (20) and table (21), table dead lever (20) install on handrail (19) with overturning forward, table (21) rotate and install on table dead lever (20).
10. A multi-function cart according to claim 1, wherein: the elastic mechanism (16) is a controllable gas spring.
CN201711350135.0A 2017-12-15 2017-12-15 Multifunctional trolley Active CN108099981B (en)

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CN105836656A (en) * 2016-04-26 2016-08-10 中科合肥微小型燃气轮机研究院有限责任公司 Transportation and overhaul trolley for gas turbine

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