CN218433537U - Conveying system and lifting machine and main frame thereof - Google Patents

Abstract

The application discloses a conveying system, a lifting machine and a main frame of the lifting machine, wherein the main frame of the lifting machine is integrally rectangular or cylindrical, and comprises an upper frame, a lower frame and a middle frame detachably arranged between the upper frame and the lower frame; wherein, in the installed state, a lifting space penetrating through the upper frame, the lower frame and the middle frame is formed in the main frame to allow the material to move between the upper frame and the lower frame along the lifting space. According to the technical scheme, the main frame of the elevator is designed based on modular thinking, so that the elevator is convenient to transport and can be quickly assembled and molded.

Description

Conveying system and lifting machine and main frame thereof

Technical Field

The application relates to the field of conveying equipment, in particular to a conveying system and a lifting machine and a main frame thereof.

Background

The hoist is large mechanical equipment for transportation by changing potential energy, such as a mine hoist, a dam-crossing hoist and the like. With the increase of transportation demands, the elevator equipment is widely applied to industrial production and life. The traditional large elevator needs to meet a lifting task with higher requirements, so that the size of the elevator is large, the transportation difficulty of the elevator from a factory to a working site is increased, and the transportation cost is high. And the assembly process of the hoister is completely transferred to a working site to be carried out, so that the assembly difficulty is increased under limited assembly conditions, and the project progress is slowed down.

Therefore, how to provide a hoisting machine scheme with low transportation difficulty and simple assembly mode becomes a technical problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides a conveying system, a hoist and a main frame thereof, so as to provide a hoist scheme with low transportation difficulty and simple assembly manner.

According to the present application, there is provided a main frame for a hoist, the main frame including an upper frame, a lower frame, and a middle frame detachably installed between the upper frame and the lower frame; wherein, in the installation state, a lifting space penetrating through the upper frame, the lower frame and the middle frame is formed in the main frame, so as to allow the materials to move between the upper frame and the lower frame along the lifting space; the upper frame is formed with at least one first opening that is open laterally, and the lower frame is formed with at least one second opening that is open laterally to allow material to enter and exit the lifting space from the first opening or the second opening.

Preferably, the number of the middle frames is multiple, and the multiple middle frames are arranged between the upper frame and the lower frame in an end-to-end manner.

Preferably, a first ladder stand is installed at one side of the upper frame, and the first ladder stand protrudes out of the top of the upper frame along the length direction of the first ladder stand, so that a person can climb on the top platform of the upper frame through the first ladder stand.

Preferably, a second ladder stand is mounted to one side of the middle frame, the second ladder stand being aligned with the first ladder stand in the mounted state.

According to another aspect of the present application, there is also provided a hoisting machine including a cargo carrying assembly for carrying material, a driving assembly for driving the cargo carrying assembly to ascend and descend in a lifting space of the main frame, and the main frame for a hoisting machine described above, the cargo carrying assembly being movably disposed at the main frame in the lifting space; the drive assembly includes a second drive secured to the main frame and a drive chain engaged with a drive sprocket of the second drive, one end of the drive chain being mounted to the cargo carrying assembly for raising and lowering the cargo carrying assembly when the drive sprocket of the second drive is rotated.

Preferably, the cargo carrying assembly comprises a cargo carrying platform, and a guide mechanism is arranged between the cargo carrying platform and the main frame; the guide mechanism comprises a guide shoe arranged on the cargo carrying platform and a guide rail arranged on the main frame; or the guide mechanism comprises a through hole arranged on the cargo carrying platform and a guide rod arranged on the main frame and matched with the through hole in a sliding manner.

Preferably, the upper frame of the main frame is formed with a first opening opened laterally, the lower frame of the main frame is formed with a second opening opened laterally, and the first opening and the second opening are in the same or opposite directions; the loading assembly comprises a first driver and a plurality of supporting beams, the first driver and the supporting beams are installed on the loading platform, a roller is arranged on one part of the supporting beams, a driven part in transmission fit with the first driver is arranged on the rest part of the supporting beams, and when materials enter and exit the first opening or the second opening, the first driver drives the driven part to move so as to assist the materials to move along the rolling direction of the roller.

Preferably, the hoist includes a counterweight assembly including a counterweight block, and both ends of the transmission chain are respectively mounted on the cargo carrying assembly and the counterweight block.

Preferably, the driving sprocket of the second driver comprises a driving wheel and a plurality of driven wheels in transmission fit with the driving wheel, the number of the transmission chains is multiple, and the transmission chains are respectively meshed with the driven wheels.

The present application further provides a conveying system including a lower deck conveyer line, an upper deck conveyer line and the hoist as described above, wherein the lower deck conveyer line is connected to the second opening of the lower frame of the hoist, and the upper deck conveyer line is connected to the first opening of the upper frame.

According to the technical scheme of this application, the main frame of lifting machine is based on the modularization design thinking including the underframe that forms the main frame base, form the upper ledge of main frame top structure and connect the well frame between upper ledge and underframe. Go up frame, underframe and well frame detachably erection joint, can enough transport respectively, also can be at job site fast assembly to a lower and simple lifting machine design of assembly mode of the transportation degree of difficulty is provided.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate an embodiment of the invention and, together with the description, serve to explain the invention. In the drawings:

fig. 1 is a perspective view of a hoisting machine according to a preferred embodiment of the present application;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of a main frame of the hoist.

Detailed Description

Aiming at the requirement of large-scale lifting operation at present, the lifting machine is often large in size. For the transportation and the assembly degree of difficulty that reduce large-scale lifting machine, this application provides a lifting machine equipment with modularization main frame. The modularized main frame is built, so that the transportation difficulty of the elevator is reduced, the assembling speed of the elevator is increased, the replacement and the assembling of the elevator are facilitated, and the operation cost is reduced.

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, the present application provides a hoist that includes a cargo carrying assembly 210 and a drive assembly 220 for carrying material, the cargo carrying assembly 210 and the drive assembly 220 being carried on a main frame for the hoist. The main frame has a rectangular or cylindrical shape as a whole, and includes an upper frame 110, a lower frame 120, and a middle frame 130 detachably installed between the upper frame 110 and the lower frame 120. In the installed state, a lifting space is formed in the main frame to penetrate the upper frame 110, the lower frame 120 and the middle frame 130 to allow the material to move between the upper frame 110 and the lower frame 120 along the lifting space. Wherein, the cargo carrying assembly 210 is movably disposed on the main frame in the lifting space; the driving assembly 220 is mounted on the main frame and is in transmission connection with the cargo carrying assembly 210 to provide a driving force for lifting the cargo carrying assembly 210 in the lifting space of the main frame against gravity, and the materials carried on the cargo carrying assembly 210 are lifted from the lower frame 120 to the upper frame 110 or lowered from the upper frame 110 to the lower frame 120 along with the cargo carrying assembly 210 under the driving force provided by the driving assembly 220.

According to the main frame of the hoister, the hoister can be pre-assembled in the factory, the main parts of the goods loading assembly 210 and the driving assembly 220 are respectively arranged on the upper frame 110, the lower frame 120 and the middle frame 130, so that the hoister modules based on different frame modules of the main frame are formed, the transportation requirements can be reduced, the modularized hoister can be respectively transported to a working site, then the main frame is rapidly assembled on the working site, and the convenient transportation and the efficient assembly of the hoister are realized. According to different work height requirements of a work site, the number of the middle frames 130 can be multiple, and the multiple middle frames 130 can be installed between the upper frame 110 and the lower frame 120 in an end-to-end manner, so that the work height range of the elevator can be adjusted adaptively according to the installation number of the middle frames 130 in the main frame.

As shown in fig. 3, a first ladder 111 on which a worker climbs the elevator is preferably installed at one side of the upper frame 110. The first ladder 111 protrudes from the top of the upper frame 110 along its length to allow a person to climb the top platform 101 of the upper frame 110 via the first ladder 111, and the drive assembly 220 and other control components of the hoist are preferably integrated in the top platform 101 for easy operation and maintenance by the worker. In order to improve the safety of the personnel working at high altitudes, the top platform 101 is preferably provided with a safety barrier around the edge of the platform, and the part of the first ladder stand 111 protruding from the top of the upper frame 110 is preferably located at a gap of the safety barrier to form a circumferentially closed safety protection measure. In case of a high requirement for the height of the main frame, a second ladder 131 is preferably mounted on one side of the middle frame 130. As shown in figure 3, in the installed condition the second ladder stand 131 is aligned with the position of the first ladder stand 111 to reduce the distance of the ladder stand from the ground. When the hoisting machine is shipped from the factory, the second ladder stand 131 and the first ladder stand 111 are preferably assembled with the main frame in advance as part of a module.

The side of the main frame is preferably provided with a guardrail or a protective net to prevent the material from falling off in the lifting process. As shown in fig. 1, the upper frame 110 is preferably formed with at least one first opening 112 opened laterally, and the lower frame 120 is preferably formed with at least one second opening 122 opened laterally to allow the material to enter and exit the lifting space from the first opening 111 or the second opening 122. During the operation of the elevator, the material can be conveyed from the lower conveyor line into the second opening 122 of the lower frame 120 to be carried by the cargo module 210 and lifted along with the cargo module 210, and when the material is lifted to the lifting space corresponding to the upper frame 110, the material can be separated from the lifting space from the first opening 112 to enter the upper conveyor line to complete the lifting operation.

The load assembly 210 may include a platform, basket, pod, etc. carrying form according to the application. As shown in fig. 1 and 2, the cargo carrying assembly 210 preferably includes a cargo carrying platform 211, and a guide mechanism is disposed between the cargo carrying platform 211 and the main frame to maintain the cargo carrying platform 211 in a horizontal posture during the lifting process. The guide mechanism may comprise the form of: a guide shoe installed on the cargo bed 211 and a guide rail installed on the main frame; or the guide mechanism comprises a through hole arranged on the cargo carrying platform 211 and a guide rod which is arranged on the main frame and is in sliding fit with the through hole. The above-mentioned guiding mechanism is preferred to be provided with a plurality ofly around the edge of carrying cargo bed 211, for example two guide rails or guide arm are led to simultaneously to share the atress among the direction process, avoid guiding mechanism's interference fit to cause spare part extruded condition to appear, improved spare part's life.

The orientation of the first opening 112 and the second opening 122 may be the same or opposite. As shown in fig. 2, the cargo carrying assembly 210 preferably includes a first driver 212 mounted on the cargo carrying platform 211 and a plurality of support beams 213, wherein a portion of the support beams 213 are provided with rollers 214, and the remaining portion of the support beams 213 are provided with driven members drivingly engaged with the first driver 212. The first driver 212 drives the driven member to move as material enters and exits the first opening 112 or the second opening 122, thereby assisting in the rolling movement of the roller 214 to effect loading and unloading of the cargo assembly 210. The driven member may be a belt or a roller driven by the first driver 212, and when the driven member is operated, the material is moved along the supporting beam 213 with the roller 214 by using friction force, and after the material is moved to a position, the supporting beams 213 jointly bear the weight of the material. The first driver 212 may be a motor, an engine, a speed reducer, or the like that outputs a rotational motion.

On the other hand, the driving assembly 220 includes a second driver 221, and the second driver 221 is connected to the loading assembly 210 through a transmission member to raise or lower the loading assembly 210. According to different load requirements, the transmission component can be a tension transmission piece such as a steel cable and a chain, and can also be a transmission mechanism which converts a rotary motion into a linear motion such as a screw pair. As shown in fig. 1, the driving assembly 220 preferably includes a driving chain 222, the second driver 221 is fixed to the main frame, the driving chain 222 is engaged with a driving sprocket of the second driver 221, and one end of the driving chain 222 is mounted to the cargo carrying assembly 210 to lift or lower the cargo carrying assembly 210 when the driving sprocket of the second driver 221 rotates. The second driver 221 may be a motor, an engine, a speed reducer, or the like that outputs a rotational motion. The length of the drive chain 222 is preferably adjustable so that the length of the drive chain 222 can be adjusted to accommodate variations in the range of lifting operations depending on the height of the main frame of the hoist.

To reduce the force requirements of the second drive 221, the hoist may also include a counterweight assembly. As shown in fig. 1, the counterweight assembly includes a counterweight 223, and the two ends of the transmission chain 222 are respectively mounted on the loading assembly 210 and the counterweight 223. A plurality of counter weights 223 are preferably preset in one elevator to adjust the counter weight according to the different material weights of the lifting operation at any time, so as to prevent the weight difference at the two ends of the transmission chain 222 from being too large. A guiding mechanism, such as a guide rail or a guide rod, may be disposed between the plurality of weights 223 of the weight assembly 223 and the main frame to define a movement track of the weights 223 during the process of the cargo assembly 210 ascending the weights 223 and descending the weights 223 or the cargo assembly 210 descending the weights 223 and ascending the weights 223. The upper frame 110, the lower frame 120 and the same side of the middle frame 130 of the main frame may preferably be further provided with a cover as shown in fig. 1 to cover the weight block 223 and form a space allowing the weight block 223 to move up and down.

The drive sprocket of the second drive 221 comprises a drive directly driven capstan that can be configured to directly engage the drive chain 222 to provide drive in a low load environment. Or preferably, the driving sprocket of the second driver 221 further comprises a plurality of driven wheels in driving engagement with the driving wheel. The driven wheels are pivotally mounted on the main frame, and the number of the corresponding transmission chains 222 is also multiple. The plurality of transmission chains 222 are respectively engaged with the plurality of driven wheels, so that the bearing burden of the transmission chains 222 is shared, and the second driver 221 is prevented from directly bearing the weight of the material and the balancing weight 223. The driving wheel and the plurality of driven wheels can be in transmission fit through a gear set or a transmission shaft respectively, under the optimal condition, the driving wheel is fixed on a driving shaft of the second driver 221, the main frame is rotatably provided with the transmission shaft directly matched with the driving wheel, and the plurality of driven wheels are meshed with the transmission shaft at different positions respectively, so that when the driving wheel outputs a rotating moment, the plurality of driven wheels synchronously rotate under the transmission action of the transmission shaft.

According to the preferred embodiment of the application, the main frame of the hoist is based on the modular design, so that the hoist can be transported in modules based on the upper frame 110, the lower frame 120 and the middle frame 130, and the transportation difficulty of the hoist from a factory to a working site is reduced. Meanwhile, each modularized elevator module can be quickly assembled on a working site, the installation number of the middle frames 130 and the length of the transmission chain 222 can be adjusted according to specific needs, and therefore the effective operation height of the elevator can be flexibly set. Preferably, a tension sensor or other sensing components can be further disposed at the connection position of the transmission chain 222 and the cargo carrying assembly 210 and/or the apron weight 223, so as to detect whether the transmission chain 222 is broken in real time and give an alarm to workers, thereby improving the safety of the equipment.

The present application also provides a conveyor system comprising a lower conveyor line connected to the second opening 122 of the lower frame 120 of the elevator, an upper conveyor line connected to the first opening of the upper frame 110, and a hoist as described above. According to this conveying system, can promote the material on the transfer chain of lower floor to the upper transfer chain through the lifting machine, or transfer the material to the transfer chain of lower floor through the lifting machine from the upper transfer chain.

The preferred embodiments of the present application have been described above in detail, however, the present application is not limited to the details of the above embodiments, and various simple modifications may be made to the technical solution of the present application within the technical idea of the present application, and these simple modifications all belong to the protection scope of the present application.

It should be noted that, in the above embodiments, the various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described separately in the present application.

In addition, any combination of the various embodiments of the present application can be made, and the same shall be considered as the disclosure of the present invention as long as the combination does not depart from the spirit of the present application.

Claims (10)

1. Main frame for a hoisting machine, characterized in that the main frame comprises an upper frame (110), a lower frame (120) and a middle frame (130) detachably mounted between the upper frame (110) and the lower frame (120); wherein, the first and the second end of the pipe are connected with each other,

in the installed state, a lifting space penetrating through the upper frame (110), the lower frame (120) and the middle frame (130) is formed in the main frame to allow the materials to move between the upper frame (110) and the lower frame (120) along the lifting space;

the upper frame (110) is formed with at least one first opening (112) opened laterally, and the lower frame (120) is formed with at least one second opening (122) opened laterally to allow the material to pass into and out of the lifting space from the first opening (112) or the second opening (122).

2. Main frame for hoisting machines according to claim 1, characterized in that said intermediate frame (130) is in a plurality of numbers, the plurality of intermediate frames (130) being mounted end to end between said upper frame (110) and lower frame (120).

3. Main frame for a hoisting machine as claimed in claim 1, characterized in that a first ladder (111) is mounted on one side of the upper frame (110), which ladder (111) protrudes over the top of the upper frame (110) in the direction of its length, in order to allow a person to climb up the top landing (101) of the upper frame (110) via the first ladder (111).

4. Main frame for a hoisting machine as claimed in claim 3, characterized in that a second ladder (131) is mounted on one side of the middle frame (130), the second ladder (131) being aligned with the position of the first ladder (111) in the mounted state.

5. Hoisting machine comprising a loading assembly (210) for carrying material, a drive assembly (220) for driving the loading assembly (210) up and down in a hoisting space of the main frame, and a main frame for a hoisting machine according to claim 1,

the cargo assembly (210) is movably disposed to the main frame within the lifting space; the driving assembly (220) includes a second driver (221) and a driving chain (222), the second driver (221) is fixed to the main frame, the driving chain (222) is engaged with a driving sprocket of the second driver (221), and one end of the driving chain (222) is mounted to the cargo carrying assembly (210) to raise or lower the cargo carrying assembly (210) when the driving sprocket of the second driver (221) is rotated.

6. The hoisting machine as claimed in claim 5, characterized in that the loading assembly (210) comprises a loading platform (211), a guide mechanism being arranged between the loading platform (211) and the main frame;

the guide mechanism comprises a guide shoe arranged on the cargo carrying platform (211) and a guide rail arranged on the main frame; or the guide mechanism comprises a through hole arranged on the cargo carrying platform (211) and a guide rod which is arranged on the main frame and is in sliding fit with the through hole.

7. The hoisting machine as claimed in claim 6, characterized in that the upper frame (110) of the main frame is formed with a first opening (112) that is open laterally, and the lower frame (120) of the main frame is formed with a second opening (122) that is open laterally, the first opening (112) and the second opening (122) being oriented in the same or opposite direction;

the loading assembly (210) comprises a first driver (212) and a plurality of supporting beams (213), wherein the first driver (212) and the supporting beams are installed on the loading platform (211), a roller (214) is arranged on one part of the supporting beams (213), a driven part in transmission fit with the first driver (212) is arranged on the other part of the supporting beams (213), and when materials enter or exit from the first opening (112) or the second opening (122), the first driver (212) drives the driven part to move so as to assist the materials to move along the rolling direction of the roller (214).

8. The hoist as claimed in claim 5, characterized in that the hoist comprises a counterweight assembly comprising a counterweight block (223), and the drive chain (222) is mounted at its two ends on the loading assembly (210) and the counterweight block (223), respectively.

9. The hoisting machine as claimed in claim 5, characterized in that the drive sprocket of the second drive (221) comprises a drive pulley and a plurality of driven pulleys in driving engagement with the drive pulley, the number of drive chains (222) being a plurality, wherein the plurality of drive chains (222) are respectively engaged with the plurality of driven pulleys.

10. Conveying system, characterized in that it comprises a lower conveyor line, an upper conveyor line and a hoisting machine according to any one of claims 5-9, wherein the lower conveyor line is connected to the second opening (122) of the lower frame (120) of the hoisting machine and the upper conveyor line is connected to the first opening (112) of the upper frame (110).

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