CN211647207U

CN211647207U - Movable and spliced assembly type layered lifting platform system

Info

Publication number: CN211647207U
Application number: CN202020042757.8U
Authority: CN
Inventors: 吴庆雄; 程浩德; 黄宛昆; 袁辉辉
Original assignee: Fuzhou University
Current assignee: Fuzhou University
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-10-09
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a movable and spliced assembled layered lifting platform system, which comprises at least two groups of layered lifting platforms spliced together in the horizontal direction, wherein each group of layered lifting platform comprises at least two layers of supporting plates arranged in a stacked manner, and a large-load lifting system is arranged between two adjacent layers of supporting plates; the lowest layer bearing plates of the two groups of layered lifting platforms which are spliced with each other are connected together. The utility model discloses portable assembled layering elevating platform system reasonable in design with the concatenation, high durability and convenient use, the bearing capacity is big, support the scene to assemble, realized the modularization concatenation, the installation is nimble, the practicality is strong, can require according to the site conditions, splice together through multiunit layering elevating platform on the horizontal direction and form required shape and size, application scope is wide, can also adjust the interlamellar spacing of each layer bearing plate in order to realize the regulation to whole layering elevating platform height through big load operating system simultaneously.

Description

Movable and spliced assembly type layered lifting platform system

Technical Field

The utility model relates to a portable assembled layering elevating platform system with concatenation.

Background

The existing mobile lifting platform comprises a four-wheel mobile type, a two-wheel traction type, an automobile type, a hand-push type and the like, is a hoisting machine for vertically transporting people or heavy objects, and can vertically transport people or heavy objects in factories, warehouses, laboratories and other places.

Most of the existing lifting platform technologies can realize the lifting and moving of people or heavy objects with certain weight, but for the lifting and moving of heavy objects (such as experimental components) with larger weight commonly encountered in the technical field of engineering structure tests, the existing lifting platform is limited by the field conditions of the engineering structure tests due to limited bearing capacity or limited space, and is often hard to meet the lifting requirements in the technical field of the engineering structure tests.

Patent document entitled "a lifting and rotating device" (patent No. 2015104704427) provides a lifting device for individual buildings, which achieves layered lifting by stacking multiple layers of components together. However, the lifting device cannot move and does not support on-site splicing, so that the requirement of complicated on-site conditions of engineering structure tests cannot be met.

Therefore, it is necessary to find a movable layered elevating platform system which has large load and size and can meet various requirements of field conditions.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a practicality is strong, supports the assembled layering elevating platform system of portable and concatenation of on-the-spot assembly.

The utility model discloses a following scheme realizes: a movable and spliced assembly type layered lifting platform system comprises at least two groups of layered lifting platforms which can be spliced together in the horizontal direction, each group of layered lifting platform comprises at least two layers of laminated supporting plates, and a large-load lifting system is arranged between two adjacent layers of supporting plates; the lowest layer bearing plates of the two groups of layered lifting platforms which are spliced with each other are connected together; the lifting platform moving system comprises rollers and brakes which are arranged below the lowest layer of supporting plate and a moving driving motor which drives the rollers to rotate.

Furthermore, splice plates for connecting with the same-layer supporting plates of other groups of layered lifting platforms are arranged at the lower side edges of the supporting plates of each group of layered lifting platforms, and bolt holes are formed in the splice plates.

Furthermore, the large-load lifting system between the upper and lower adjacent layers of bearing plates comprises a screw rod lifter arranged on the lower layer of bearing plate, and a nut seat matched with the upper end of a screw rod on the screw rod lifter is arranged on the upper layer of bearing plate; the screw rod lifter at the lower end of the screw rod is fixed on the lower layer supporting plate, the upper layer supporting plate is provided with a mounting hole for mounting a nut seat, and the upper end of the screw rod penetrates through the corresponding nut seat.

Furthermore, the large-load lifting system is provided with four lead screw lifters which are distributed in a rectangular shape, and a steering box is arranged between the two lead screw lifters on the same side and is connected with the steering box through a first transmission shaft; the heavy-load lifting system further comprises a lifting driving motor located in the center of the lower supporting plate, the power output end of the lifting driving motor is connected with a speed reducer, and the power output ends on two sides of the speed reducer are respectively connected with second transmission shafts connected with the steering boxes on two sides.

Furthermore, the upper surface of the supporting plate is provided with a clamping groove for mounting a screw rod lifter, and the mounting positions of the screw rod lifters on the two adjacent layers of large-load lifting systems are staggered.

Furthermore, a table top is arranged on the supporting plate at the top layer, the table top is fixedly connected with the supporting plate at the top layer through bolts, and telescopic extending frames are arranged at four sides or two opposite sides of the table top.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses portable and assembled layering elevating platform system reasonable in design of concatenation, high durability and convenient use, the bearing capacity is big, support the scene to assemble, the modularization concatenation has been realized, the installation is nimble, therefore, the clothes hanger is strong in practicability, can require according to the site conditions, splice together through multiunit layering elevating platform on the horizontal direction and form required shape and size, application scope is wide, simultaneously can also require the interlamellar spacing that can select the number of piles that is used for the layering elevating platform upper support plate of concatenation and adjust each layer bearing plate through big load operating system in order to realize the regulation to whole layering elevating platform height according to the site conditions.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.

Drawings

FIG. 1 is an exploded view of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a diagonal support plate configuration of a lead screw elevator according to an embodiment of the present invention;

FIG. 3 is a schematic view of a support plate configuration of a lead screw elevator according to an embodiment of the present invention along a centerline;

FIG. 4 is a schematic view of the expanded state of the splice plates on the support plate according to the embodiment of the present invention;

fig. 5 is a perspective view of a heavy load lift system in an embodiment of the present invention;

FIG. 6 is a schematic view of the connection between the extension frame and the table top according to the embodiment of the present invention;

the reference numbers in the figures illustrate: 100-support plate, 110-splice plate, 200-large load lifting system, 210-screw rod lifter, 220-nut seat, 230-steering box, 240-first transmission shaft, 250-lifting drive motor, 260-speed reducer, 270-second transmission shaft, 300-table surface, 310-fixed outer sleeve, 320-telescopic support rod, 400-bottom plate, 500-extension frame, 510-telescopic support frame, 511-support beam, 520-telescopic fence, 521-connecting column, 530-fixed fence, 540-four-bar linkage mechanism and 550-electric push rod.

Detailed Description

As shown in fig. 1 to 5, a movable and spliced assembled layered lifting platform system comprises at least two groups of layered lifting platforms which can be spliced together in the horizontal direction, each group of layered lifting platform comprises at least two layers of laminated supporting plates 100, each supporting plate is rectangular, and a large-load lifting system 200 is arranged between two adjacent layers of supporting plates; the lowest layer bearing plates of the two groups of layered lifting platforms which are spliced with each other are connected together; the utility model discloses assembled layering elevating platform system supports field assembly, has realized the modularization concatenation, and the installation is nimble, convenient to use, the practicality is strong, can require according to the site condition, through the concatenation of multiunit layering elevating platform together in the horizontal direction and form required shape and size, application scope is wide, can also select the number of piles that is used for the layering elevating platform upper support plate of concatenation simultaneously according to the site condition requirement and adjust the interlamellar spacing of each layer support plate through big load operating system to realize the regulation to whole layering elevating platform system height; the supporting and lifting of the supporting plate are completed by a plurality of lead screws, and the load capacity of the formed large-load lifting system is higher than that of the traditional supporting system.

In this embodiment, the lower side edge of each layer of the support plate of each group of layered lifting platforms is provided with a splice plate 110 for connecting with the same layer of support plate of other groups of layered lifting platforms, the splice plate 110 is provided with bolt holes, the support plates of two adjacent groups of layered lifting platforms spliced together are connected together through the splice plate, the splice plate and the splice plate are connected through a bolt, and the modular splicing in the horizontal direction of the support plates can be performed according to the requirements of site conditions.

In this embodiment, the large load lifting system 200 between two adjacent upper and lower support plates comprises a screw elevator 210 mounted on the lower support plate, a nut seat 220 mounted on the upper support plate and engaged with the upper end of a screw on the screw elevator, the screw elevator having a worm-and-gear pair and a ball screw pair composed of a screw and a nut 220; the screw rod lifter at the lower end of the screw rod is fixed on the lower layer supporting plate, the upper layer supporting plate is provided with a mounting hole for mounting a nut seat, and the upper end of the screw rod penetrates through the corresponding nut seat.

In this embodiment, the large load lifting system 200 has four lead screw lifters 210 distributed in a rectangular shape, a steering box 230 is installed between the two lead screw lifters on the same side and connected to the steering box through a first transmission shaft 240, a worm wheel of a worm gear pair of the lead screw lifters is coaxially connected to the first transmission shaft, the large load lifting system 200 further includes a lifting driving motor 250 located at the center of the lower support plate, a power output end of the lifting driving motor 250 is connected to a speed reducer 260, and power output ends on both sides of the speed reducer 260 are respectively connected to second transmission shafts 270 connected to the steering boxes on both sides.

In this embodiment, a clamping groove for mounting the screw rod lifter is formed in the upper surface of the support plate, the clamping groove can effectively limit the mounting position of the screw rod lifter, and then the screw rod lifter is fixed on the support plate by using bolts and nuts; the installation positions of the screw rod lifters 210 on the two adjacent layers of the heavy load lifting systems 200 are staggered, and as shown in fig. 4 or fig. 2 and 3, the rectangles formed by the screw rod lifters 210 on the two adjacent layers of the heavy load lifting systems 200 can be staggered by 90 degrees.

In this embodiment, the top supporting plate is provided with a table top 300, the table top 300 is fixedly connected with the top supporting plate through bolts, and the four sides or two opposite sides of the table top 300 are provided with retractable extending frames 500. The extension frame comprises a telescopic support frame 510 positioned at the bottom and telescopic fences 520 positioned at two sides of the telescopic support frame, and one outward ends of the telescopic fences at the two sides are connected with a fixed fence 530; the telescopic support frame comprises a plurality of support beams 511 which are arranged in parallel and at intervals, and two adjacent support beams are connected together through a four-bar linkage mechanism hinged into a parallelogram; the telescopic fence comprises connecting columns 521 fixedly connected to the end parts of the supporting beams, and two adjacent connecting columns are connected together through a four-bar linkage 540 hinged into a parallelogram; the extension frame is driven by the electric push rod 550 to stretch, the supporting beam at the outermost end of the extension frame is connected to the driving end of the electric push rod 550, and the supporting beam on the extension frame, which is closest to the table top, is fixedly connected to the table top; a fixed outer sleeve 310 is fixedly arranged at the bottom of the table top, a telescopic supporting rod 320 which is in sliding fit with the fixed outer sleeve and extends outwards to support the telescopic supporting frame is sleeved in the fixed outer sleeve, a supporting beam at the outermost end of the extending frame is connected to one outward end of the telescopic supporting rod, and the telescopic supporting rod is in sliding fit with the fixed outer sleeve to provide supporting force for the telescopic supporting frame and ensure the stability of the structure; the electric push rod drives the extension frame to extend outwards, so that the size of the table top can be enlarged, and the carrying area of the table top is expanded.

In this embodiment, the lifting platform moving system is located at the bottom of each group of layered lifting platforms, and comprises a roller and a brake which are installed below the lowest supporting plate, and a moving driving motor for driving the roller to rotate; the bottom plate 400 is arranged below the lowest layer supporting plate, the bottom plate 400 is fixedly connected with the lowest layer supporting plate through bolts, the lifting platform moving system is arranged on the lower side of the bottom plate and can move flexibly according to field conditions so as to meet the requirement of convenient movement when heavy objects are loaded, the moving driving motor provides power to enable the roller to move to a specified position, the movement of the whole lifting platform system is facilitated, and the brake can fix the lifting platform system after the lifting platform system moves to the specified position.

In this embodiment, the control system of the lifting platform system is further included, the control system includes a movement servo control system for controlling the lifting platform moving system and a lifting servo control system for controlling the lifting platform to lift, the control system can control the lifting drive motors of the large-load lifting systems on the layered lifting platforms to synchronously work, the screws of the large-load lifting systems are synchronously driven to work, and the safety and stability of the system when the lifting platform system lifts heavy objects are ensured.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a portable and assembled layering elevating platform system with concatenation which characterized in that: the device comprises at least two groups of layered lifting platforms which can be spliced together in the horizontal direction, wherein each group of layered lifting platform comprises at least two layers of bearing plates which are arranged in a stacked manner, and a large-load lifting system is arranged between two adjacent layers of bearing plates; the lowest layer bearing plates of the two groups of layered lifting platforms which are spliced with each other are connected together; the lifting platform moving system comprises rollers and brakes which are arranged below the lowest layer of supporting plate and a moving driving motor which drives the rollers to rotate.

2. The movable and sectional assembly type layered elevating platform system according to claim 1, wherein: and splice plates for connecting with the same-layer supporting plates of other groups of layered lifting platforms are arranged at the lower side edges of all the layers of supporting plates of each group of layered lifting platforms, and bolt holes are formed in the splice plates.

3. The movable and sectional assembly type layered elevating platform system according to claim 1, wherein: the large-load lifting system between the upper and lower adjacent layers of bearing plates comprises a screw rod lifter arranged on the lower layer of bearing plate, and a nut seat matched with the upper end of a screw rod on the screw rod lifter is arranged on the upper layer of bearing plate; the screw rod lifter at the lower end of the screw rod is fixed on the lower layer supporting plate, the upper layer supporting plate is provided with a mounting hole for mounting a nut seat, and the upper end of the screw rod penetrates through the corresponding nut seat.

4. The movable and sectional assembly type layered elevating platform system according to claim 3, wherein: the large load lifting system is provided with four lead screw lifters which are distributed in a rectangular shape, and a steering box is arranged between the two lead screw lifters on the same side and is connected with the steering box through a first transmission shaft; the heavy-load lifting system further comprises a lifting driving motor located in the center of the lower supporting plate, the power output end of the lifting driving motor is connected with a speed reducer, and the power output ends on two sides of the speed reducer are respectively connected with second transmission shafts connected with the steering boxes on two sides.

5. The movable and sectional assembly type layered elevating platform system according to claim 4, wherein: the upper surface of the supporting plate is provided with a clamping groove for mounting a screw rod lifter, and the mounting positions of the screw rod lifters on two adjacent layers of large-load lifting systems are staggered.

6. The movable and sectional assembly type layered elevating platform system according to claim 1, wherein: the top layer supporting plate is provided with a table top, the table top is fixedly connected with the top layer supporting plate through bolts, and the four sides or two opposite sides of the table top are provided with telescopic extending frames.