CN212799424U

CN212799424U - Heavy-duty type layer-changing elevator

Info

Publication number: CN212799424U
Application number: CN202020888832.2U
Authority: CN
Inventors: 宁勤方; 陈伟; 吴宏涛
Original assignee: Zhejiang Damon Technology Co Ltd
Current assignee: Damon Technology Group Corp Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-03-26
Anticipated expiration: 2030-05-25
Also published as: WO2021238067A1

Abstract

An object of the utility model is to provide a heavily loaded formula layer changing lifting machine for solve the problem that exists among the prior art, including the mount the elevating system and the rigid coupling of the reciprocating motion that goes up and down on the mount in elevating system's load platform, the mount includes the grudging post of a pair of opposition, elevating system include in the rigid coupling in the transmission of mount and connection transmission in elevating system's in the opposition space of grudging post elevating system's crane, elevating system still include by horizontal supporting rack that parallel extension goes up the crane with connect in connection crosspiece between two horizontal supporting rack tip, horizontal supporting rack with connect the crosspiece support in load platform below. The heavy-duty layer-changing elevator has good heavy-duty bearing performance, can provide effective bearing for loads in the horizontal and vertical direction cargo conveying process, and has good operation stability and long operation life.

Description

Heavy-duty type layer-changing elevator

Technical Field

The utility model relates to a commodity circulation lifting machine equipment technical field especially relates to a heavily loaded formula trades layer lifting machine.

Background

In the logistics storage conveying system, a lifting machine is needed to realize vertical conveying of goods with different heights or storage racks in the vertical direction during conveying, and in order to make a structure simple, compact and low-load goods carrying platform into a cantilever type structure, for example, a lifting machine disclosed in the patent of the invention of China with the application publication number of CN107934339A adopts a support roller structure to support a lifting frame and a conveying line, and performs guiding function during lifting through a front-back one-way guide wheel, and the connection of the support rollers is only fixed by a bent connecting piece at the end part, and the two support rollers are not connected. However, in the heavy-load operation situation, the heavy-load goods have larger inertia, and on one hand, when the goods come onto the hoisting machine from the side conveying line, the hoisting machine needs to reduce the speed from moving to static, and then the hoisting machine can bear larger horizontal load; on the other hand, when goods are conveyed in the vertical direction, the change process of the movement speed is static, acceleration, deceleration and static, and the cantilever structure needs to bear loads in the vertical direction with complicated changes. The structure described in this application does not allow for resistance and load-bearing capacity to both loads during heavy-duty operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavily loaded formula trades layer lifting machine for solve the problem that exists among the prior art, this heavily loaded formula trades layer lifting machine has good heavy load bearing performance, can provide the effective bearing of the load in level and the vertical direction goods transportation process and have good operating stability and longer running life.

To realize the purpose of the utility model, the utility model discloses following technical scheme has been adopted at least:

the utility model provides a heavily loaded formula trades layer lifting machine, include the mount, the elevating system and the rigid coupling of the reciprocating motion of going up and down on the mount in elevating system's load platform, the mount includes the grudging post of a pair of opposition, elevating system include in the rigid coupling in the transmission of mount with connect transmission in elevating system's in the opposition space of grudging post elevating system's crane, elevating system still include by parallel extension's horizontal supporting rack on the crane with connect in two horizontal supporting rack tip connection crosspieces between, horizontal supporting rack with connect the crosspiece support in load platform below.

As a further preferred aspect of the present invention, the elevating system further comprises a guide set connected to the crane, the guide set comprises a plurality of first rollers and second rollers symmetrically connected to the left and right sides of the crane, and the first rollers and the second rollers are perpendicular to each other and roll respectively to the inner side of the vertical frame.

As a further preferable aspect of the present invention, the axis direction of the second roller is perpendicular to the plane of the opposed stands.

As a further preferred scheme of the utility model, grudging post, horizontal support frame with it is the "concave" font steel sheet of seventy percent discount panel beating to connect the crosspiece.

As a further preferred aspect of the present invention, the horizontal support frame has an extension portion attached to the end portion connected to the crane, the extension portion extending from the surface of the crane and fixedly connected to the crane.

As a further preferred scheme of the utility model, the horizontal supporting frame with be equipped with the connecting plate of connecting both middle parts between the crosspiece.

As a further preferred scheme of the utility model, still including locating respectively first positioner and second positioner on mount and the crane, the last location portion that is the stage change in the vertical direction that has of first positioner, second positioner is for following the lift reciprocating motion response of crane location portion's sensor that changes.

As a further preferred scheme of the utility model, the upper and lower tip of mount is equipped with the sensing the fail safe subassembly of crane.

As a further preferred aspect of the present invention, the load table includes opposed load supports, a plurality of power rollers connected to the load supports and arranged in parallel at intervals between the load supports.

As a further preferred aspect of the present invention, the load support has a plurality of mounting holes along the extending direction thereof, and the number of the mounting holes is not greater than the number of the mounting holes in the opposed mounting holes of the load support, in which the connecting support is detachably mounted in the opposed mounting holes.

The beneficial effects of the utility model reside in at least:

1. the horizontal supporting frames and the connecting crosspieces which form the frame structure through combination have good deformation-resistant bearing capacity corresponding to all directions of loads brought by heavy loads;

2. the sheet metal structures of the vertical frame, the horizontal supporting frame and the connecting crosspiece have better rigidity/weight ratio, enough rigidity can be obtained with lighter weight, and the reduction of the weight of the components is also beneficial to reducing the operation inertia of the whole system in the operation process, improving the operation stability and prolonging the service life;

3. the arrangement combination of the first roller and the second roller can provide more stable guiding stability for heavy-load cargos so as to reduce the alternating load caused by vibration and damage;

4. the structure that the second roller is vertical to the plane of the vertical frame enables the second roller to provide the stopping and limiting capacity for resisting horizontal load, and the bearing performance is improved by matching with the horizontal supporting frame and the connecting crosspiece;

5. the first positioning device and the second positioning device can dynamically detect the position of the lifting mechanism and further dynamically control the lifting movement speed, so that the whole operation process is more stable, and the bearing performance of the load caused by the inertia of the goods is improved.

Drawings

Fig. 1 is a schematic overall structure diagram in an embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure of a horizontal support frame according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a guide set in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the first positioning device and the second positioning device in the embodiment of the present invention;

fig. 5 is a schematic structural view of a loading platform in an embodiment of the present invention;

the items in the figure are respectively: 1 fixed frame, 11 vertical frames, 12 failure protection assemblies, 21 transmission devices, 22 lifting frames, 23 horizontal supporting frames, 231 extending parts, 24 connecting crosspieces, 25 guide sets, 251 first rollers, 252 second rollers, 26 connecting plates, 3 load platforms, 31 load supports, 311 mounting holes, 32 connecting supports, 33 power rollers, 41 first positioning devices, 411 positioning devices and 42 second positioning devices.

Detailed Description

An embodiment of the present invention is described in detail below with reference to the accompanying drawings:

as shown in fig. 1, 2, 3, 4 and 5, the heavy-duty layer-changing elevator comprises a fixed frame 1, a lifting mechanism which moves up and down in a reciprocating manner on the fixed frame 1, and a load table 3 fixedly connected to the lifting mechanism. The fixing frame 1 comprises a pair of opposite vertical frames 11, and the vertical frames 11 are fixedly connected with the ground through bottom plates with bent bottoms. Elevating system includes transmission 21, and transmission 21 includes that rigid coupling is in the positive and negative speed motor that changes on a grudging post 11 in mount 1, the level sets up transmission shaft and the band pulley at the upper and lower both ends of grudging post 11 and connects the hold-in range on the band pulley and constitute, and the transmission shaft that is located the upside is the driving shaft of connecting speed motor, and the downside is the driven shaft, thereby the driving shaft can change the connection through external bearing on grudging post 11 and be convenient for refuel the maintenance. The lifting mechanism further comprises lifting frames 22 which perform lifting movement in the opposite spaces of the two vertical frames 11, the lifting frames 22 are fixed on the synchronous belts through the clamping plate structures on the back, and the synchronous belts driven by the speed reduction motors rotate to ascend and descend. The lifting mechanism further comprises a horizontal supporting frame 23 fixedly connected to the lifting frame 22 and extending forwards in parallel and a connecting crosspiece 24 connected between the end parts of the two horizontal supporting frames 23, wherein the horizontal supporting frame 23, the connecting crosspiece 24 and the lifting frame 22 are enclosed to form a rectangular bearing frame structure and are supported below the load platform 3 in a fixedly connected mode through bolts and the like. Be provided with the wire net piece at the rear side of two grudging posts 11 and form the shade structure, form on the one hand and place the damage that possible foreign matter invasion led to, on the other hand passes through the structure of net piece and forms the effect of tractive to two grudging posts 11, and the net piece is easily dismantled and assembled and is convenient workman's business turn over when needs carry out inside spare part to maintain on the one hand again.

Referring to fig. 3, in the embodiment, the lifting mechanism further includes a guide set 25 connected to the lifting frame 22, the guide set 25 is used for guiding and damping vibration during the lifting process of the lifting frame 22, the guide set 25 in the embodiment includes eight first rollers 251 and eight second rollers 252 symmetrically connected to the left and right sides of the lifting frame 22 through roller seats, and the axes of the first rollers 251 and the second rollers 252 are perpendicular to each other and are respectively rolled and stopped against the inner side of the vertical frame 11. The axial direction of the second roller 252 is perpendicular to the plane of the opposed stands 11. Meanwhile, the vertical frame 11, the horizontal support frame 23 and the connecting crosspiece 24 in this embodiment are made of a three-folded sheet metal steel plate in a shape like a Chinese character 'ao'. The concave-shaped structure formed by three-folded sheet metal enables the parts to have higher rigidity relative to similarly-shaped channel steel under the condition of lighter weight and thickness, so that the required running load performance is obtained with lower weight (namely inertia in running), and the running stability is higher. Also, the support roller structure has a better resistance to horizontal and vertical loading than prior art support roller structures. Wherein the grudging post 11 sets up to the triple folding structure has formed the track that supplies direction collection 25 contact direction simultaneously, can see from figure 3 that the second gyro wheel 252 in this embodiment only supports to touch at the concave font middle part surface of grudging post 11, and the first gyro wheel 251 that is the axis vertically with second gyro wheel 252 simultaneously only supports to touch at the concave font both sides of grudging post 11 promptly, and the symmetry setting on crane 22 has been formed to the cooperation, has formed to spacing to crane 22 each direction on the horizontal direction for horizontal vibration, shake etc. in its lift operation reduce. Meanwhile, the arrangement of the second roller 252 perpendicular to the vertical frame 11 enables the cargo to be transferred to the vertical frame 11 when the cargo is transferred from the side transfer line to the loading platform 3 to generate horizontal load, so that the problems of shaking and collision of the lifting frame 22 and the like are avoided, and the bearing of the rectangular horizontal supporting frame 23 and the rectangular connecting crosspiece 24 which mainly bear the horizontal load can be dispersed. Referring to fig. 3, the horizontal support frame 23 and the connection crosspiece 24 are formed in a horizontal-open concave shape so that the ends thereof can be inserted into each other to improve the connection strength and facilitate the installation of bolts and the like.

In this embodiment, the end of the horizontal support frame 23 connected to the crane 22 has an extension 231 attached to the surface of the crane 22 and extending and fixedly connected to the crane 22, and the ability of the crane 22 and the horizontal support frame 23 to support the cargo in the vertical direction can be improved by increasing the contact and the connection strength of the extension 231.

In this embodiment, a connecting plate 26 is disposed between the horizontal support frame 23 and the crosspiece, and both ends of the connecting plate are fixedly connected to the middle of the horizontal support frame and the crosspiece. I.e. the diagonal reinforcement further improves the resistance of the rectangular frame of horizontal support brackets 23 and connecting crosspieces 24 against horizontal loads.

Referring to fig. 4, in the present embodiment, the present invention further includes a first positioning device 41 and a second positioning device 42 respectively disposed on the fixed frame 1 and the lifting frame 22, the first positioning device 41 in the present embodiment is a plate installed on one of the vertical frames 11, on which a plurality of positioning portions 411 of a plate structure are installed in sequence in the vertical direction and staggered left and right in the horizontal direction are installed, the positioning portions 411 exhibit a staged position change in the vertical direction, and the second positioning device 42 is installed on the lifting frame 22 to follow up, the second positioning device 42 in the present embodiment is a photoelectric sensor corresponding to the plurality of positioning portions 411, during the lifting and conveying of the goods, the lifting mechanism is operated to lift, the corresponding second positioning device 42 goes through the positioning portions 411 on the first positioning device 41 upwards or downwards, and by passing the speed reduction motor and the first positioning device 41 downwards, the speed reduction motor and the first positioning device 42, The

second positioning devices

41 and 42 are commonly connected to an external microcomputer/computer, and can receive signals generated by the second positioning device 42 when each positioning portion 411 is located through a set program, and perform different regulation and control on the running state of the speed reduction motor through the signals. Such as: in the ascending process, the deceleration motor is gradually accelerated or decelerated step by step along with the signals passing through the positioning parts 411, so that the acceleration and deceleration process in the whole running process is stable, and the generation of alternating load influencing the bearing capacity is reduced; meanwhile, the starting and stopping positions of the speed reducing motor can be prompted by setting the positioning part 411 corresponding to the height of the conveying line. The number and position of the positioning portions 411 and the number and position of the second positioning devices 42 may be conveniently set according to actual engineering settings, and may generate signals sufficient for the microcomputer/computer to determine the operation state. In other preferred embodiments, the positioning portion 411 and the second positioning device 42 may also be a combination of magnetic blocks/magnetic sensors, bumps/gratings, etc. capable of detecting and outputting different signals.

In this embodiment, the upper and lower ends of the fixing frame 1 are provided with the failure protection components 12 made of rubber or other materials with buffer function pointing to the lifting frame 22, and the maximum length of the failure protection components extending towards the direction of the lifting frame 22 does not touch the normal stroke of the lifting frame 22 and the load platform 3 in up-and-down operation, so that the lifting frame 22 and the load platform 3 exceeding the stroke can be buffered in unexpected situations.

Referring to fig. 5, in the present embodiment, the loading platform 3 includes two loading brackets 31 made of opposite sheet metal, a connecting bracket 32 connecting the loading brackets 31, and a plurality of power rollers 33 arranged in parallel and at intervals between the loading brackets 31, the power rollers 33 are used for receiving or sending the goods on the opposite side conveying lines, and the connecting bracket 32 and the loading brackets 31 enclose to form a rectangular frame, so that the loading capacity is better.

In this embodiment, the load bracket 31 has a plurality of mounting holes 311 along the extending direction thereof, and the two connecting brackets 32 are detachably mounted in the opposite mounting holes 311 of the opposite load bracket 31 in a mirror symmetry manner, so that the load table 3 as a whole is more uniformly stressed. In other preferred embodiments, more (but not more than the number of mounting holes 311) attachment brackets 32 may be provided to increase load bearing capacity.

The above embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the various modifications and improvements made by the ordinary person in the art without departing from the design concept of the present invention all fall into the protection scope of the present invention.

Claims

1. The utility model provides a heavily loaded formula trades layer lifting machine, include mount (1) go up the elevating system and the rigid coupling of lift reciprocating motion in elevating system's load platform (3), its characterized in that, mount (1) include a pair of opposition grudging post (11), elevating system include in the rigid coupling in transmission (21) and the connection of mount (1) transmission (21) in the opposition space of grudging post (11) lift (22) of lift motion, elevating system still include by horizontal supporting rack (23) that parallel extension gone up in crane (22) with connect in connection crosspiece (24) between two horizontal supporting rack (23) tip, horizontal supporting rack (23) with connect crosspiece (24) support in load platform (3) below.

2. The heavy-duty floor-changing elevator as claimed in claim 1, wherein the lifting mechanism further comprises a guide set (25) connected to the lifting frame (22), the guide set (25) comprises a plurality of first rollers (251) and second rollers (252) symmetrically connected to the left and right sides of the lifting frame (22) through roller seats, and the axes of the first rollers (251) and the second rollers (252) are perpendicular to each other and roll to abut against the inner side of the vertical frame (11).

3. A heavy-duty change-floor hoist as claimed in claim 2, characterized in that the axial direction of the second roller (252) is perpendicular to the plane of the opposite vertical frame (11).

4. A heavy-duty changing-floor hoist according to claim 2 or 3, characterized in that the vertical frame (11), the horizontal support frame (23) and the connecting crosspiece (24) are three-folded sheet metal steel plates in a shape like a Chinese character 'ao'.

5. A heavy duty lift truck as claimed in claim 4, characterized in that said horizontal support frame (23) has, at the end connected to said crane (22), an extension (231) extending against the surface of said crane (22) and solidly connected to said crane (22).

6. A heavy duty lift as claimed in claim 5, characterized in that a connecting plate (26) is provided between said horizontal support frame (23) and said crosspiece for connecting the middle of said horizontal support frame and said crosspiece.

7. The heavy-duty floor-changing elevator is characterized by further comprising a first positioning device (41) and a second positioning device (42) which are respectively arranged on the fixed frame (1) and the lifting frame (22), wherein the first positioning device (41) is provided with a positioning part (411) which changes in a staged manner in the vertical direction, and the second positioning device (42) is a sensor which senses the change of the positioning part (411) along with the lifting reciprocating motion of the lifting frame (22).

8. A heavy duty tier-changing elevator as claimed in claim 7, characterized in that the upper and lower ends of the fixed frame (1) are provided with fail-safe assemblies (12) directed to the lifting frame (22).

9. A heavy-duty change-floor hoist according to claim 1, characterized in that the load table (3) comprises opposed load brackets (31), a connecting bracket (32) connecting the load brackets (31), and a plurality of power rollers (33) arranged in parallel at intervals between the load brackets (31).

10. A heavy-duty changing-floor hoist as claimed in claim 9, characterized in that the load bracket (31) has a plurality of mounting holes (311) along its extending direction, and the connecting brackets (32) of which the number is not more than the number of the mounting holes (311) are detachably mounted in the opposite mounting holes (311) of the opposite load bracket (31).