Logistics electric lifting platform
Technical field
The utility model belongs to logistics equipment field, more particularly, to a kind of logistics electric lifting platform.
Background technique
Currently, traditional logistics hoistable platform is all to use hydraulic system and four-bar mechanism, structure is more complicated, working face
Product is limited to, and platform stabilization is not high, also needs specially to carry out care and maintenance, phase to hydraulic system during later maintenance
It is higher to maintenance cost.
Summary of the invention
In view of this, the utility model is directed to a kind of logistics electric lifting platform, to overcome the deficiencies of existing technologies,
The small-sized transporting equipment such as cargo and fork truck can be sent into compartment by the hoistable platform, be mentioned for the handling goods in logistics progress
More conveniences are supplied, reliability and safety are higher.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
Logistics electric lifting platform, including rack, hoistable platform, vertical lifting unit, horizontal movement unit and protective net;
The vertical lifting unit is installed in the rack, bottom plate is installed on vertical lifting unit;It is installed on bottom plate
There is horizontal movement unit, the hoistable platform is installed in horizontal movement unit, protective net is installed on hoistable platform;It is described vertical
Lifting unit include four can synchronization lifting screw-threaded shaft elevator, the lead screw and guide post of screw-threaded shaft elevator and horizontal movement unit are hung down
Directly it is arranged and is fixedly connected.
Further, four screw-threaded shaft elevators are separately mounted on four angles in rack.
Further, two in four screw-threaded shaft elevators are connected by the first transmission shaft and first shaft coupling and first motor
It connects, and two screw-threaded shaft elevators pass through chain conveyer respectively and connect with one in remaining two screw-threaded shaft elevators.
Further, four screw-threaded shaft elevators compositions one are rectangular;It is located at two silks of front side in four screw-threaded shaft elevators
Connect by the first transmission shaft and first shaft coupling with first motor between thick stick elevator, and two screw-threaded shaft elevators respectively with
That screw-threaded shaft elevator positioned at its positive rear side is connected by sprocket wheel with chain.
Further, the first motor is deceleration variable-frequency motor, and first shaft coupling is yielding coupling.
Further, the lead screw of screw-threaded shaft elevator and guide post are fixedly connected by flange with bottom plate.
Further, in linear motion bearing, linear motion bearing is fixed on the rack guide column sleeve.
Further, the horizontal movement unit is lead screw guide rails straight line running gear.
Further, the horizontal movement unit includes that two guide rails being parallel to each other on bottom plate, two guide rails are arranged in
On slidably connect sliding block, platform base is installed on two sliding blocks, the hoistable platform is installed on platform base;It is described
The same end of two sliding blocks is respectively connected with ball-screw, and two ball-screws realize connection by second driving shaft and right-angle reduction device
It is dynamic;One in two right-angle reduction devices is connected with the second motor by second shaft coupling.
Further, the bottom plate two is spaced in intervals the sub- plate of setting, is equipped with one on every sub- plate
Guide rail, two guide rails are parallel to each other;Second motor is variable frequency reducer motor;The second shaft coupling is yielding coupling.
Compared with the existing technology, logistics electric lifting platform described in the utility model has the advantage that
Logistics electric lifting platform described in the utility model, logistics electric platform car pass through the up and down balance system of platform vehicle
The difference of the height and width of compartment and landing platform keeps fork truck, manual trailer and various man power and materials etc. smoothly steady
Enter compartment, bring convenience to loading and unloading, and it is easy to operate, pass through first motor and the second motor positive and inverse control
System and speed control can realize the up and down and horizontal movement of platform, and the control to speed speed respectively.With it is hydraulic and
The hoistable platform of four-bar linkage structure is compared, and electric lifting platform structure described in the utility model is simpler compact, more efficient,
Phenomena such as cost is relatively lower, is not in oil leak, reliability and safety are higher, later period maintenance and the simpler side of maintenance
Just.
Logistics electric lifting platform described in the utility model, hoistable platform pass through the decelerating motor with frequency conversion and band-type brake
(namely first motor) drives screw-threaded shaft elevator to be gone up and down, between decelerating motor and screw-threaded shaft elevator with first shaft coupling and
First transmission shaft realizes connection, and four screw-threaded shaft elevators realize the linkage of four guide posts by chain drive, ensure that platform is transported
Synchronization during dynamic and steady.Lead screw guide rails straight line running gear is turned by variable frequency reducer motor (namely second motor) and right angle
The horizontal movement of platform may be implemented to retarder connection, the connection of platform and car body is adjusted, platform band protective net can be with
Equipment and manpower and material resources to work on platform are effectively protected.First motor and the second motor are frequency conversion speed-down electricity
Machine, variable frequency reducer motor can be adjusted the revolving speed of variable frequency reducer motor by the adjusting of frequency converter, to change liter
The movement velocity of platform drops.Variable frequency reducer motor band locking system, can stop also can star at any time.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the main view of logistics electric lifting platform described in the utility model embodiment;
Fig. 2 is the side view of logistics electric lifting platform described in the utility model embodiment.
Description of symbols:
1- protective net;2- hoistable platform;3- screw-threaded shaft elevator;4- first shaft coupling;5- first motor;The first transmission shaft of 6-;
7- rack;8- sprocket wheel;9- chain;10- linear motion bearing;11- guide post;12- flange;13- guide rail;14- sliding block;15- platform
Pedestal;16- ball-screw;17- bottom plate;18- right-angle reduction device;The second motor of 19-;20- second driving shaft.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As depicted in figs. 1 and 2, logistics electric lifting platform, including rack 7, hoistable platform 2, vertical lifting unit, level
Mobile unit and protective net 1;
The vertical lifting unit is installed in the rack 7, bottom plate 17 is installed on vertical lifting unit;On bottom plate 17
Horizontal movement unit is installed, the hoistable platform 2 is installed in horizontal movement unit, protective net 1 is installed on hoistable platform 2;
The vertical lifting unit include four can synchronization lifting screw-threaded shaft elevator 3, the lead screw and guide post 11 and water of screw-threaded shaft elevator 3
Translation moving cell is vertically arranged and is fixedly connected.Platform band protective net can carry out for the equipment and manpower and material resources to work on platform
It is effectively protected.
Four screw-threaded shaft elevators 3 are separately mounted on four angles in rack 7.
Two in four screw-threaded shaft elevators 3 are connect by the first transmission shaft 6 and first shaft coupling 4 with first motor 5, and
Two screw-threaded shaft elevators 3 are connect by chain conveyer with one in remaining two screw-threaded shaft elevators 3 respectively.For example, four
The composition of screw-threaded shaft elevator 3 one is rectangular;By the between two screw-threaded shaft elevators 3 of front side in four screw-threaded shaft elevators 3
One transmission shaft 6 and first shaft coupling 4 are connect with first motor 5, and two screw-threaded shaft elevators 3 are respectively and positioned at its positive rear side
That screw-threaded shaft elevator 3 is connected by sprocket wheel 8 and chain 9.
The first motor 5 is deceleration variable-frequency motor, and first shaft coupling 4 is yielding coupling.Variable frequency reducer motor passes through
The adjusting of frequency converter can be adjusted the revolving speed of motor, to change the movement velocity of hoistable platform.Frequency conversion speed-down electricity
Machine band locking system, can stop also can star at any time.
The lead screw and guide post 11 of screw-threaded shaft elevator 3 are fixedly connected by flange 12 with bottom plate 17.
11 sets of guide post in linear motion bearing 10, linear motion bearing 10 is fixed in rack 7.
The horizontal movement unit is 13 straight line running gear of lead screw guide rails.The horizontal movement unit includes being arranged the bottom of at
Two guide rails 13 being parallel to each other on plate 17, two guide rails 13 are fixedly connected with bottom plate 17.Sliding connects on two guide rails 13
It is connected to sliding block 14, platform base 15 is fixedly connected on two sliding blocks 14, it is flat that the lifting is fixedly connected on platform base 15
Platform 2;The same end of described two sliding blocks 14 is respectively connected with ball-screw 16, two ball-screws 16 by second driving shaft 20 and
Right-angle reduction device 18 realizes linkage;One in two right-angle reduction devices 18 is connected with the second motor 19 by second shaft coupling.
Above-mentioned bottom plate 17 can be set to two situations for being spaced in intervals the sub- plate of setting, then every sub- plate
On be equipped with a guide rail 13, two guide rails 13 are parallel to each other;Sometimes, as needed, bottom plate 17 can be configured as one
Two guide rails 13 being parallel to each other are arranged in the situation of monolith plate on a monolith plate.Second motor 19 subtracts for frequency conversion
Speed motor;The second shaft coupling is yielding coupling.
Above-mentioned guide rail 13 is arranged in parallel with chain 9, and the first transmission shaft 6 and second driving shaft 20 are arranged in parallel.
The working principle of the present embodiment are as follows:
Four screw-threaded shaft elevators 3 and first motor 5 are mounted in rack 7, are led between first motor 5 and screw-threaded shaft elevator 3
It crosses first shaft coupling 4 and the connection of the first transmission shaft 6 realizes that the lifting of lead screw, the rotation of first motor 5 will drive 3 turns of screw-threaded shaft elevator
Dynamic, lead screw can rise or decline, and two groups of front and back screw-threaded shaft elevator respectively passes through sprocket wheel 8 and chain 9 is attached and realizes four silks
One piece of thick stick elevator rises or declines, and the lead screw and guide post 11 of screw-threaded shaft elevator 3 are fixedly connected by flange 12 with bottom plate 17,
Linear motion bearing 10 be fixed on the rack with guide post 11 cooperation moves in a straight line, thereby realize hoistable platform rising and
Descending motion.Guide rail 13 is fixedly connected with bottom plate 17, and sliding block 14 is fixedly connected with platform base 15 and hoistable platform 2, in this way
Hoistable platform 2 can realize by sliding block 14 and move forward and backward that the sliding block 14 on both sides is subtracted by second driving shaft 20 and right angle
Fast device 18 realizes linkage, and the second motor 19 realizes that motor drives by second shaft coupling and the connection of one of right-angle reduction device 18
It is dynamic.Protective net 1 has been fixed on the rack protective action, protects the safety of manpower and various equipment.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.