CN210176372U

CN210176372U - Movable loading and unloading lifting platform

Info

Publication number: CN210176372U
Application number: CN201921029292.6U
Authority: CN
Inventors: Chunbo Wang; 王春波; Sitao Wang; 王四涛
Original assignee: Shandong Jinxin Heavy Industry Technology Co Ltd
Current assignee: Shandong Jinxin Heavy Industry Technology Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-03-24
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to the technical field of machinery, and a portable loading and unloading lift platform is disclosed, including bearing bottom plate, hydraulic power unit, hydro-cylinder base, lift cylinder, removal wheel, platform, extension frame plate, steady voltage mechanism and contact plate, hydraulic power unit's bottom is connected, four with the intermediate position at bearing bottom plate top the bottom of hydro-cylinder base is connected with bearing bottom plate top intermediate position all around respectively. The utility model discloses a hydraulic power unit's operation can make lift cylinder drive whole platform and go on adjusting the height from top to bottom, can receive and release by oneself when not using, and is small to reduce area occupied, and through the setting of removing the wheel, can make whole platform become nimble, can carry out the shift position according to the demand and change the place and use, the device can satisfy in addition like freight train, packing cupboard, goods platform etc. and ground have place and the equipment of a take the altitude drop, thereby the practicality has been improved.

Description

Movable loading and unloading lifting platform

Technical Field

The utility model relates to the technical field of machinery, specifically be a portable loading and unloading lift platform.

Background

Fixed loading platform is the special auxiliary assembly who realizes goods fast loading and unloading, and its altitude mixture control function uses to erect a bridge between the goods platform of freight train and storehouse, and fork truck etc. moves and the inside batch loading and unloading that carries out the goods of freight train, only needs single operation, can realize the fast loading and unloading of goods. The method reduces a large amount of labor of enterprises, improves the working efficiency and obtains greater economic benefits.

In the prior art, the loading platform mainly has fixed loading platform, dock leveler and fixed lift platform, however these several kinds of loading platforms all have following problem, 1, fixed loading platform: the limit height cannot be adjusted up and down, the position is fixed and is inconvenient to move, the production efficiency is low, and the occupied space is large; 2. boarding a vehicle axle: the automatic weight is not flexible to move, the occupied space is large, the height is manually adjusted, and time and labor are wasted; 3. fixed lift platform: the fixed inconvenient removal in position, the pit easily produces ponding need be done to the formula of sinking, and the basis is with high costs, and level land is fixed, and self height is high, is not convenient for the carrier to go up and down. Therefore, a mobile loading and unloading lifting platform which can improve the loading efficiency, reduce the occupied space of equipment, facilitate the movement and the collection and is simple and easy to understand in operation is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable loading and unloading lift platform has reached and has improved loading efficiency, reduces equipment occupation of land space, conveniently removes the collection, easy operation understandable purpose.

In order to achieve the above object, the utility model provides a following technical scheme: a movable loading and unloading lifting platform comprises a bearing bottom plate, a hydraulic power unit, oil cylinder bases, lifting oil cylinders, moving wheels, a platform, extension frame plates, a pressure stabilizing mechanism and a contact plate, wherein the bottoms of the hydraulic power unit are connected with the middle position at the top of the bearing bottom plate, four oil cylinder bases are respectively connected with the middle position at the periphery of the top of the bearing bottom plate, the tops of the four oil cylinder bases are respectively connected with the bottoms of the four lifting oil cylinders, the periphery of the bottom of the bearing bottom plate is respectively connected with the tops of the four moving wheels, the periphery of the bottom of the platform is respectively connected with the tops of the four lifting oil cylinders, the left side of the platform is rotatably connected with the right side of a front movable butt plate through a rotating shaft, the right side of the platform is rotatably connected with the left side of a rear movable butt plate through a rotating shaft, and the two sides of the front surface and the, the utility model discloses a pressure stabilizing mechanism, including extension frame plate, bearing bottom plate, bearing mechanism, pressure stabilizing mechanism, extension frame plate, bearing bottom plate, threaded sleeve, the bottom of threaded rod runs through the bottom of extending the frame plate and extends to its below, the intermediate position at pressure stabilizing mechanism top is passed through the bearing with the bottom of threaded rod and is connected, the intermediate position at contact plate top is connected with pressure stabilizing mechanism.

Pressure stabilizing mechanism is including sealing cylinder, piston, push rod, sealing block, connecting pipe, pumping chamber and separation ball, sealing cylinder's inside wall is connected with the lateral wall of piston, be provided with expanding spring in the sealing cylinder, and expanding spring's both ends are connected with the top of piston and sealing cylinder inner wall respectively, the one end of push rod is connected with the intermediate position of piston bottom, sealing cylinder's bottom is connected with sealing block's top, and the bottom of push rod runs through sealing block's bottom and extends to its below, the bottom of push rod is connected with the top of contact plate, sealing cylinder's left top and bottom communicate with the one end of two connecting pipes respectively, and the relative one end of two connecting pipes communicates with the both ends of pumping chamber respectively, the separation ball is located the inside of pumping chamber.

Preferably, the cross section of the contact plate is circular, and the bottom of the contact plate is provided with anti-skid grains.

Preferably, the vertical cross sections of the front movable butt strap and the rear movable tail plate are wedge-shaped, and anti-skid grains are arranged at the tops of the front movable butt strap and the rear movable tail plate.

Preferably, the plenum chamber is in the shape of a cone, and the diameter of the bottom of the plenum chamber is one third of the diameter of the top.

Preferably, the front and the back of the top of the platform are both connected with guard rails.

Preferably, the top of the platform is provided with an anti-skid projection.

The utility model provides a portable loading and unloading lift platform. The method has the following beneficial effects:

(1) the utility model discloses because improve the platform, through hydraulic power unit's operation, can make lift cylinder drive whole platform and go on adjusting the height from top to bottom, can receive and release by oneself when not using, and small, thereby reduce the area occupied, and through the setting of removing the wheel, can make whole platform become nimble, can carry out the shift position according to the demand and change the place and use, and the device adopts electronic mode, can be very big degree satisfy the production demand, traditional manual step height's mode has been replaced, thereby labour saving and time saving, and the device can be satisfied in like the freight train, the packing cupboard, there are places and the equipment of a take the altitude drop with ground such as goods shelves, thereby the practicality has been improved.

(2) The utility model discloses owing to improve the bearing bottom plate, adjust the carousel through rotating and make the threaded rod carry out regulation from top to bottom through the thread bush, make whole contact plate can adjust according to the height and contact with ground to make the atress scope increase of whole device, improved the stability of platform, the effect of substitution basis that moreover can be perfect, thereby reduced manufacturing cost.

(3) The utility model discloses because improve the contact plate, when contacting through the bottom at the contact plate with ground, the push rod carries out the atress extrusion to the piston, the upward movement of piston pressurizes the inside compressed air of closed cylinder this moment, make compressed air pass through in the connecting pipe gets into the pressure boost chamber, because the effect that blocks of separation ball, make compressed air get into the speed of closed cylinder inner wall bottom by the connecting pipe and become slowly, thereby make whole contact plate can keep slowly stable when receiving pressure for the first time, thereby play the guard action to whole device and ground, and then avoided because the atress is too big and lead to the emergence of ground damage phenomenon.

Drawings

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

FIG. 2 is a top view of the present invention;

fig. 3 is a schematic front view of the structural extension frame plate of the present invention;

fig. 4 is a front sectional view of the structurally closed cylinder of the present invention.

In the figure: the hydraulic lifting device comprises a bearing bottom plate 1, a hydraulic power unit 2, an oil cylinder base 3, a lifting oil cylinder 4, a moving wheel 5, a platform 6, a front movable lapping plate 7, a rear movable tail plate 8, an extension frame plate 9, a threaded sleeve 10, a threaded rod 11, a pressure stabilizing mechanism 12, a contact plate 13, an adjusting turntable 14, a protective guard 15, a 121-closed air cylinder, a piston 122, a telescopic spring 123, a push rod 124, a sealing block 125, a connecting pipe 126, a pressurizing chamber 127 and a blocking ball 128.

Detailed Description

As shown in fig. 1-4, the utility model provides a technical solution: a movable loading and unloading lifting platform comprises a bearing bottom plate 1, a hydraulic power unit 2, oil cylinder bases 3, lifting oil cylinders 4, movable wheels 5, a platform 6, an extension frame plate 9, a pressure stabilizing mechanism 12 and a contact plate 13, wherein the bottom of the hydraulic power unit 2 is fixedly connected with the middle position of the top of the bearing bottom plate 1, the bottoms of the four oil cylinder bases 3 are respectively fixedly connected with the middle positions of the periphery of the top of the bearing bottom plate 1, the tops of the four oil cylinder bases 3 are respectively fixedly connected with the bottoms of the four lifting oil cylinders 4, the periphery of the bottom of the bearing bottom plate 1 is respectively fixedly connected with the tops of the four movable wheels 5, the periphery of the bottom of the platform 6 is respectively fixedly connected with the tops of the four lifting oil cylinders 4, the left side of the platform 6 is rotatably connected with the right side of a front movable butt strap 7 through a rotating shaft, the right side of the platform, the two sides of the front and the back of the bearing bottom plate 1 are respectively fixedly connected with one end of four extension frame plates 9, the top of one end of each extension frame plate 9, which is far away from the bearing bottom plate 1, is fixedly connected with the bottom of a threaded sleeve 10, the inner side wall of the threaded sleeve 10 is connected with the outer side wall of a threaded rod 11 through threads, the bottom of the threaded rod 11 penetrates through the bottom of the extension frame plate 9 and extends to the lower part of the extension frame plate, the middle position of the top of a pressure stabilizing mechanism 12 is fixedly connected with the bottom of the threaded rod 11 through a bearing, the middle position of the top of a contact plate 13 is fixedly connected with the bottom of the pressure stabilizing mechanism 12, the top of the threaded rod 11 is, and the bottom of the contact plate 13 is provided with anti-slip lines, the top of the platform 6 is provided with anti-slip bulges, the vertical cross-sectional shapes of the front movable butt strap 7 and the rear movable tail plate 8 are wedge-shaped, and the anti-slip lines are arranged at the tops of the front movable butt strap 7 and the rear movable tail plate 8.

The pressure stabilizing mechanism 12 comprises a closed cylinder 121, a piston 122, a push rod 124, a sealing block 125, connecting pipes 126, a pressurizing chamber 127 and a blocking ball 128, wherein the inner side wall of the closed cylinder 121 is slidably connected with the outer side wall of the piston 122, a telescopic spring 123 is sleeved in the closed cylinder 121, two ends of the telescopic spring 123 are respectively fixedly connected with the top of the piston 122 and the top of the inner wall of the closed cylinder 121, one end of the push rod 124 is fixedly connected with the middle position of the bottom of the piston 122, the bottom of the closed cylinder 121 is fixedly connected with the top of the sealing block 125, the bottom of the push rod 124 penetrates through the bottom of the sealing block 125 and extends to the lower part of the sealing block, the bottom of the push rod 124 is fixedly connected with the top of the contact plate 13, the top and the bottom of the left side of the closed cylinder 121 are respectively communicated with one end of the two connecting pipes 126, the opposite, the shape of the plenum chamber 127 is a cone, the diameter of the bottom of the plenum chamber 127 is one third of the diameter of the top, and the guard rails 15 are fixedly connected to the front and the back of the top of the platform 6.

When using, through the operation of hydraulic power unit 2, can make lift cylinder 4 drive whole platform 6 and carry out height-adjusting from top to bottom, can receive and release by oneself when not using, small, thereby reduce area occupied, and through the setting of removal wheel 5, can make whole platform 6 become nimble, can carry out the shift position according to the demand and change the place and use, adjust the carousel 14 through rotating simultaneously and make threaded rod 11 carry out the vertical adjustment through thread bush 10, make whole contact plate 13 can adjust and contact with ground according to the height, thereby make the atress scope increase of whole device, the stability of platform 6 has been improved.

In summary, the following results can be obtained: the utility model can make the lifting oil cylinder 4 drive the whole platform 6 to adjust the height up and down by improving the platform 6 through the operation of the hydraulic power unit 2, can be automatically folded and unfolded when not in use, has small volume, thereby reducing the occupied area, and can make the whole platform 6 become flexible through the arrangement of the moving wheel 5, can move the position to change the site for use according to the requirement, and the device adopts an electric mode, can greatly meet the production requirement, replaces the traditional manual step height mode, thereby saving time and labor, and can be satisfied in places and equipment with a certain height difference with the ground, such as trucks, containers, goods platforms, and the like, thereby improving the practicability, the utility model improves the bearing bottom plate 1, and enables the threaded rod 11 to be adjusted up and down through the threaded sleeve 10 by rotating the adjusting turntable 14, the whole contact plate 13 can be adjusted to contact with the ground according to the height, so that the stress range of the whole device is enlarged, the stability of the platform 6 is improved, and the effect of a perfect substitute foundation can be achieved, so that the production cost is reduced, the utility model discloses because the contact plate 13 is improved, when the bottom of the contact plate 13 is contacted with the ground, the push rod 124 is stressed and extruded on the piston 122, at the moment, the upward movement of the piston 122 pressurizes the compressed air inside the closed cylinder 121, so that the compressed air enters the pressurizing chamber 127 through the connecting pipe 126, due to the blocking effect of the blocking ball 128, the speed of the compressed air entering the bottom of the inner wall of the closed cylinder 121 through the connecting pipe 126 becomes slow, so that the whole contact plate 13 can be kept slow and stable when being subjected to the pressure for the first time, thereby the whole device and the ground can be protected, thereby avoiding the ground damage caused by overlarge stress.

Claims

1. The utility model provides a portable loading and unloading lift platform, includes bearing bottom plate (1), hydraulic power unit (2), hydro-cylinder base (3), lift cylinder (4), removes wheel (5), platform (6), extends frame plate (9), steady voltage mechanism (12) and contact plate (13), its characterized in that: the bottom of the hydraulic power unit (2) is connected with the middle position of the top of the bearing bottom plate (1), the bottoms of the four oil cylinder bases (3) are respectively connected with the middle positions of the periphery of the top of the bearing bottom plate (1), the tops of the four oil cylinder bases (3) are respectively connected with the bottoms of the four lifting oil cylinders (4), the periphery of the bottom of the bearing bottom plate (1) is respectively connected with the tops of the four moving wheels (5), the periphery of the bottom of the platform (6) is respectively connected with the tops of the four lifting oil cylinders (4), the left side of the platform (6) is rotatably connected with the right side of a front movable butt strap (7) through a rotating shaft, the right side of the platform (6) is rotatably connected with the left side of a rear movable butt strap (8) through a rotating shaft, the front side and the back side of the bearing bottom plate (1) are respectively connected with one end of four extending frame plates (9, the top of one end, far away from the bearing bottom plate (1), of the extension frame plate (9) is connected with the bottom of the threaded sleeve (10), the inner side wall of the threaded sleeve (10) is connected with the outer side wall of the threaded rod (11) through threads, the bottom of the threaded rod (11) penetrates through the bottom of the extension frame plate (9) and extends to the lower side of the extension frame plate, the middle position of the top of the pressure stabilizing mechanism (12) is connected with the bottom of the threaded rod (11) through a bearing, the middle position of the top of the contact plate (13) is connected with the bottom of the pressure stabilizing mechanism (12), and the top of the threaded rod (11) is connected with the middle position of the bottom of the adjusting rotary disc;

the pressure stabilizing mechanism (12) comprises a closed cylinder (121), a piston (122), a push rod (124), a sealing block (125), connecting pipes (126), a pressurizing chamber (127) and a blocking ball (128), wherein the inner side wall of the closed cylinder (121) is connected with the outer side wall of the piston (122), a telescopic spring (123) is arranged in the closed cylinder (121), two ends of the telescopic spring (123) are respectively connected with the top of the piston (122) and the top of the inner wall of the closed cylinder (121), one end of the push rod (124) is connected with the middle position of the bottom of the piston (122), the bottom of the closed cylinder (121) is connected with the top of the sealing block (125), the bottom of the push rod (124) penetrates through the bottom of the sealing block (125) and extends to the lower part of the sealing block, the bottom of the push rod (124) is connected with the top of the contact plate (13), and the top and the bottom of the left side of the closed cylinder (121) are respectively communicated with one, and the opposite ends of the two connecting pipes (126) are respectively communicated with the two ends of the pressurizing chamber (127), and the blocking ball (128) is positioned in the pressurizing chamber (127).

2. A mobile loading/unloading lift platform according to claim 1, wherein: the cross section of the contact plate (13) is circular, and anti-skid grains are arranged at the bottom of the contact plate (13).

3. A mobile loading/unloading lift platform according to claim 1, wherein: the vertical cross sections of the front movable butt strap (7) and the rear movable tail plate (8) are wedge-shaped, and anti-skid grains are arranged at the tops of the front movable butt strap (7) and the rear movable tail plate (8).

4. A mobile loading/unloading lift platform according to claim 1, wherein: the plenum (127) is conical in shape, and the diameter of the bottom of the plenum (127) is one third of the diameter of the top.

5. A mobile loading/unloading lift platform according to claim 1, wherein: the front and the back of the top of the platform (6) are both connected with guard rails (15).

6. A mobile loading/unloading lift platform according to claim 1, wherein: the top of the platform (6) is provided with an anti-skid bulge.