阅读说明：本技术 多用途单向起重机 (Multipurpose one-way crane ) 是由 贾新天 于 2019-09-25 设计创作，主要内容包括：本发明创造公开了一种多用途单向起重机,包括电机、变速机构、吊重装置,所述的吊重装置包括吊重箱体、挂臂、主动轮、吊重绳索、吊钩组件、导绳压紧机构,电机和吊重箱体对应固定在变速机构的两侧,挂臂固定在吊重箱体上,变速机构的输出轴穿过吊重箱体后设置在挂臂上,主动轮安装在输出轴上,吊重箱体上设有与主动轮配合导柱,导绳压紧机构安装在主动轮下方,吊重绳索环绕在主动轮上,吊重绳索的吊重端与导绳压紧机构配合后与吊钩组件固定,吊重绳索的牵引端与导绳压紧机构配合后引出吊重箱体。采用上述结构后,具有结构简单合理、安装拆卸方便、行程不受限制、能单向垂直吊装及斜面或水平牵引货物等优点。(The invention discloses a multipurpose one-way crane, which comprises a motor, a speed change mechanism and a hoisting device, wherein the hoisting device comprises a hoisting box body, a hanging arm, a driving wheel, a hoisting rope, a hoisting hook assembly and a guide rope pressing mechanism, the motor and the hoisting box body are correspondingly fixed on two sides of the speed change mechanism, the hanging arm is fixed on the hoisting box body, an output shaft of the speed change mechanism penetrates through the hoisting box body and then is arranged on the hanging arm, the driving wheel is arranged on the output shaft, a guide pillar matched with the driving wheel is arranged on the hoisting box body, the guide rope pressing mechanism is arranged below the driving wheel, the hoisting rope is wound on the driving wheel in a surrounding manner, a hoisting end of the hoisting rope is matched with the guide rope pressing mechanism and then is fixed with the hoisting hook assembly, and a traction end of the hoisting rope is matched with the guide rope pressing mechanism and then. After adopting above-mentioned structure, have simple structure reasonable, installation and dismantlement are convenient, the stroke is unrestricted, can one-way vertical hoisting and inclined plane or advantage such as horizontal traction goods.)

1. The utility model provides a one-way hoist of multipurpose, includes motor (3), speed change mechanism (5), hangs heavy device (4), control box (29), brake valve lever (30), characterized by: the hoisting device (4) comprises a hoisting box body (11), a hanging arm (27), a driving wheel (7), hoisting ropes (8), a hoisting hook component (10) and a guide rope pressing mechanism (13), wherein a motor (3) and the hoisting box body (11) are correspondingly fixed on two sides of a speed change mechanism (5), the hanging arm (27) is fixed on the hoisting box body (11), an output shaft (28) of the speed change mechanism (5) penetrates through the hoisting box body (11) and then is rotatably arranged on the hanging arm (27), the driving wheel (7) is arranged on the output shaft (28), a guide pillar (14) which is matched with the driving wheel (7) to prevent the hoisting ropes (8) from being separated is arranged on the hoisting box body (11), the guide rope pressing mechanism (13) is arranged on the hoisting box body (11) below the driving wheel (7), the hoisting ropes (8) are wound on the driving wheel (7), the hoisting end of the hoisting ropes (8) is matched with the guide rope pressing mechanism (13) and then led out to fix the hoisting box body (11) with the hoisting hook component (10) The traction end of the hoisting rope (8) is matched with the guide rope pressing mechanism (13) and then led out of the hoisting box body (11).

2. The multipurpose unidirectional crane of claim 1, wherein: the lifting box body (11) is hinged with a lifting box body cover plate (6) which can be opened or closed through a hinge (32), a locking seat (19) is fixed on the lifting box body (11), and a locking hand wheel (18) fixed with the locking seat (19) is arranged on the lifting box body cover plate (6).

3. A multi-purpose one-way crane according to claim 1 or 2, wherein: the rope guiding and pressing mechanism (13) comprises a rope guiding bracket (20), a rope guiding wheel (22), a pressing wheel (21), a one-way rope guider (15) and a fixed wheel (23), the hoisting device comprises a hoisting box body (11), a rope guide support (20), a one-way rope guide (15), a rope guide wheel (22) and a pressing wheel (21), wherein the rope guide support (20) is arranged on the hoisting box body (11) in a deflection mode through a connecting shaft (17), the one-way rope guide (15) is fixed on the rope guide support (20) between an upper hoisting rope (8) and a lower hoisting rope (8), the rope guide wheel (22) and the one-way rope guide (15) are matched to introduce the hoisting ropes (8) and enable the hoisting ropes (8) on the hoisting side to turn on the rope guide wheel (22), the pressing wheel (21) and a driving wheel (7) are matched to clamp the hoisting ropes (8) at the traction end, and a fixing wheel (23) is rotatably arranged on the connecting shaft (17) and matched with the one-way rope guide (15) to wrap the hoisting ropes (8; when the lifting hook assembly (10) lifts the hung goods, the gravity of the hung goods acts on the rope guide wheel (22) through the hoisting rope (8) and enables the rope guide support (20) to deflect downwards, and the pressing wheel (21) on the other side of the rope guide support (20) is matched with the driving wheel (7) to press the hoisting rope (8).

4. A multi-purpose one-way crane according to claim 3, wherein: action wheel (7) including middle circular arc fluted disc (24) and fix fixed disk (25) about in middle circular arc fluted disc (24) both sides, control fixed disk (25) and middle circular arc fluted disc (24) cooperation constitute on the periphery outward with hoist heavy rope (8) assorted T-slot, the tank bottom in T-slot is the circular arc tooth of equipartition on middle circular arc fluted disc (24) the outer circumference, the equipartition has guide slot (26) on fixed disk (25) about the T-slot both sides, guide slot (26) downwardly extending to the bottom between the adjacent circular arc tooth and form heat dissipation channel.

5. The multipurpose unidirectional crane of claim 2, wherein: the cover plate (6) of the hoisting box body is provided with an upper arrow mark and a lower arrow mark, the upper arrow mark is a direction capable of bearing and ascending, and the lower arrow mark is a direction incapable of bearing and descending.

Technical Field

The invention relates to the field of hoisting equipment, in particular to a multipurpose one-way crane which is not limited by length, is not easy to damage and replace, can be used for one-way vertical hoisting and traction of goods on an inclined plane or a horizontal plane.

Background

The miniature steel wire rope electric block used in the market at present generally adopts a rope drum structure, a plurality of layers of steel wire ropes are wound on the rope drum, the load lifting operation is realized through the steel wire ropes wound on the rope drum, the operation stroke of the miniature steel wire rope electric block is limited by the capacity of the winding drum, the lifting operation with ultrahigh, overlong or even unlimited stroke can not be realized, and the miniature steel wire rope electric block also has the following problems in the use process: firstly, the steel wire rope is easy to climb when reversing in the using process; secondly, when the multi-layer wound electric hoist is in no-load state or even in load state, particularly when the steel wire rope is placed on the ground, the steel wire rope is extremely easy to disorder, and the steel wire rope can be fatally damaged when being lifted; thirdly, the winding of the steel wire ropes at the bottom layer is not compact, and gaps are reserved among the steel wire ropes; the steel wire rope on the second layer is easy to clamp between the two steel wire ropes on the bottom layer, and finally, the steel wire ropes are wound disorderly, extruded and rubbed and broken, so that the service life of the steel wire rope electric hoist is seriously influenced; fourthly, when the steel wire rope is replaced after being damaged, a plurality of parts need to be disassembled and assembled, and the replacement is extremely inconvenient. Aiming at the problems, a plurality of manufacturers and acquaintances invest a great deal of manpower and material resources to develop and develop, but no ideal product is produced.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the multipurpose one-way crane which has the advantages of simple and reasonable structure, safe and reliable use, convenient installation and disassembly, unlimited stroke, long service life and capability of one-way vertical hoisting and inclined plane or horizontal goods traction.

The invention provides a technical scheme for solving the technical problems, which comprises a motor, a speed change mechanism, a hoisting device, a control box and a control handle, wherein the hoisting device comprises a hoisting box body, a hanging arm, a driving wheel, a hoisting rope, a hoisting hook assembly and a guide rope pressing mechanism, the motor and the hoisting box body are correspondingly fixed at two sides of the speed change mechanism, the hanging arm is fixed on the hoisting box body, an output shaft of the speed change mechanism penetrates through the hoisting box body and then is rotatably arranged on the hanging arm through a bearing, the driving wheel is arranged on the output shaft, the hoisting box body is provided with a guide pillar which is matched with the driving wheel to prevent the hoisting rope from being separated, the guide rope pressing mechanism is arranged on the hoisting box body below the driving wheel, the hoisting rope is wound on the driving wheel, the hoisting end of the hoisting rope is matched with the guide rope pressing mechanism and then is led out of the hoisting box body and then is fixed with the hoisting hook assembly, the traction end of the hoisting rope is matched, the motor drives the driving wheel to rotate through the speed change mechanism.

According to the further scheme provided by the invention, the hoisting box body is hinged with the hoisting box body cover plate which can be opened or closed through the hinge, the locking seat is fixed on the hoisting box body, and the locking hand wheel fixed with the locking seat is arranged on the hoisting box body cover plate, so that a hoisting rope and accessories can be conveniently replaced.

According to the further scheme provided by the invention, the guide rope pressing mechanism comprises a guide rope support, a guide rope wheel, a pressing wheel, a one-way guide rope device and a fixed wheel, wherein the guide rope support is arranged on the sling box body in a deflecting manner through a connecting shaft, the one-way guide rope device is fixed on the guide rope support between an upper sling rope and a lower sling rope, the guide rope wheel and the pressing wheel are rotatably arranged on the guide rope support, the guide rope wheel and the one-way guide rope device are matched to introduce the sling ropes and enable the sling ropes at the sling side to generate steering on the guide rope wheel, the pressing wheel and the driving wheel are mutually matched to clamp the sling ropes at the traction end, and the fixed wheel is rotatably arranged on the connecting shaft and matched with the one-way guide rope device to wrap the sling ropes; when the lifting hook assembly lifts the hung goods, the gravity of the hung goods acts on the rope guide wheel through the hoisting rope and enables the rope guide support to deflect downwards, the pressing wheel on the other side of the rope guide support is matched with the driving wheel to press the hoisting rope, the heavier the hung goods, the larger the pressing force of the pressing wheel is, and therefore the purpose of preventing the hoisted goods from sliding downwards is achieved.

According to the further scheme provided by the invention, the driving wheel comprises a middle circular arc fluted disc and a left fixed disc and a right fixed disc which are fixed on two sides of the middle circular arc fluted disc, the left fixed disc and the right fixed disc are matched with the middle circular arc fluted disc on the outer circumference to form a T-shaped groove matched with the hoisting rope, the bottom of the T-shaped groove is provided with circular arc teeth uniformly distributed on the outer circumference of the middle circular arc fluted disc, guide grooves are uniformly distributed on the left fixed disc and the right fixed disc on two sides of the T-shaped groove, and the guide grooves extend downwards.

According to the further scheme provided by the invention, the double-hook fixing plate is fixed on the hoisting box body, and the double-hook fixing plate is provided with the lifting hook hanging hole connected with the hoisting hook assembly, so that double hoisting can be realized.

According to the further scheme of the invention, a cover shell is fixed above the motor, and mounting and fixing parts on the same stress plane are fixed on the cover shell and the hoisting box body.

According to the further scheme provided by the invention, the cover plate of the hoisting box body is provided with an upper arrow mark and a lower arrow mark, the upper arrow mark is in the ascending direction capable of bearing, and the lower arrow mark is in the descending direction incapable of bearing.

According to the further scheme provided by the invention, left and right limiting frames are correspondingly arranged on two sides below the hoisting box body, two ends of a hoisting rope correspondingly penetrate through the left and right limiting frames and are respectively and fixedly provided with a limiting balancing weight, the control box is fixed on the lower part of the motor, the control handle is electrically connected with the control box, an upper limiting switch and a lower limiting switch which are matched with the left and right limiting frames are correspondingly arranged on the control box, and the upper limiting switch and the lower limiting switch are driven to work when the limiting balancing weight touches the left and right limiting frames.

In a further scheme of the invention, the hoisting rope is a steel wire rope, a nylon rope, a climbing rope or an ultrahigh molecular weight polyethylene safety rope.

After adopting above-mentioned structure, compare with prior art and have following advantage and effect: firstly, change traditional hoisting equipment hoist structure, it is convenient to hang heavy rope installation change, hangs heavy length and does not receive the reel capacity restriction, has solved the difficult problem that current hoist structure high altitude hoist and mount goods and inclined plane or horizontal traction goods can not superelevation, overlength promote. And secondly, the hoisting rope can adopt a steel wire rope, a safety rope, a nylon rope or a mountain climbing rope and the like which are matched with the T-shaped groove of the driving wheel and are in a bearing range, any hoisting rope can be used, and an operator can simply, conveniently and safely replace and install the hoisting rope at will according to needs. Thirdly, the openable device of the cover plate of the hoisting box body is adopted, so that the efficiency of replacing the hoisting rope by a user is greatly improved, and the product maintenance are convenient. Fourthly, the unidirectional lifting and hoisting of the goods solves the problem of the probability of the ordinary use and damage of the hoisting rope, the hoisting rope has long service life, simultaneously, the mechanical efficiency is improved, and the labor intensity of operators can be reduced to the maximum extent.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the matching structure of the cover plate of the hoisting box body of the invention when the cover plate is opened.

Fig. 3 is a schematic view of the matching structure of the invention when lifting goods.

Fig. 4 is a schematic view of the matching structure of the invention when no cargo is hoisted.

Fig. 5 is a schematic perspective view of the cord pressing mechanism according to the present invention.

Fig. 6 is an exploded view of the driving wheel of the present invention.

Fig. 7 is a schematic view of the matching structure of the driving wheel of the present invention.

The automatic lifting device comprises a mounting fixing piece 1, a housing 2, a motor 3, a lifting device 4, a speed change mechanism 5, a lifting box cover plate 6, a driving wheel 7, a lifting rope 8, a limiting counter weight 9, a lifting hook assembly 10, a lifting box 11, a limiting frame 12 left, a guide rope pressing mechanism 13, a guide pillar 14, a one-way guide rope device 15, a limiting frame 16 right, a connecting shaft 17, a locking hand wheel 18, a locking seat 19, a guide rope support 20, a pressing wheel 21, a guide rope wheel 22, a fixing wheel 23, a middle fluted disc 24, a left fixing disc 25, a right fixing disc 26, a guide groove 27, a hanging arm 28, an output shaft 29 control box, a control handle 30, a double-hook fixing plate 31, a hinge 32 and a bearing.

Detailed Description

Fig. 1 to 7 show that, for the invention, a multi-purpose one-way crane is created, which comprises a motor 3, a speed change mechanism 5, a hoisting device 4, a control box 29 and a control handle 30, wherein the hoisting device 4 comprises a hoisting box body 11, a hanging arm 27, a driving wheel 7, a hoisting rope 8, a hook assembly 10 and a guide rope hold-down mechanism 13, the motor 3 and the hoisting box body 11 are correspondingly fixed at two sides of the speed change mechanism 5, the hanging arm 27 is fixed on the hoisting box body 11, an output shaft 28 of the speed change mechanism 5 passes through the hoisting box body 11 and is rotatably arranged on the hanging arm 27 through a bearing 33, the driving wheel 7 is arranged on the output shaft 28, the hanging arm 27 can ensure that the output shaft 28 is stressed in balance and does not deform, a guide post 14 matched with the driving wheel 7 to prevent the hoisting rope 8 from separating is arranged on the hoisting box body 11 below the driving wheel 7, the hoisting rope 8 surrounds the driving wheel 7, the hoisting end of the hoisting rope 8 is matched with the guide rope pressing mechanism 13 and then led out of the hoisting box body 11 to be fixed with the hook assembly 10, and the traction end of the hoisting rope 8 is matched with the guide rope pressing mechanism 13 and then led out of the hoisting box body 11.

In order to facilitate replacement of the hoisting rope 8 and accessories, the hoisting box body 11 is hinged with a hoisting box body cover plate 6 which can be opened or closed through a hinge 32, a locking seat 19 is fixed on the hoisting box body 11, and a locking hand wheel 18 fixed with the locking seat 19 is arranged on the hoisting box body cover plate 6.

In order to ensure the use safety and prevent the goods from sliding downwards, the rope guiding hold-down mechanism 13 comprises a rope guiding support 20, a rope guiding wheel 22, a hold-down wheel 21, a one-way rope guide 15 and a fixed wheel 23, wherein the rope guiding support 20 is arranged on the sling box body 11 in a deflection way through a connecting shaft 17, the one-way rope guide 15 is fixed on the rope guiding support 20 between the upper sling rope 8 and the lower sling 8, the rope guiding wheel 22 and the hold-down wheel 21 are rotatably arranged on the rope guiding support 20, the rope guiding wheel 22 is matched with the one-way rope guide 15 to introduce the sling 8 and make the sling 8 at the sling side generate steering on the rope guiding wheel 22, the hold-down wheel 21 is matched with a driving wheel 7 to clamp the sling 8 at the traction end, and the fixed wheel 23 is rotatably arranged on the connecting shaft 17 and matched with the one-way rope guide 15 to wrap the sling 8; when the hook assembly 10 is used for hanging goods to ascend and descend, the gravity of the hung goods acts on the rope guide wheel 22 through the hoisting rope 8 and enables the rope guide support 20 to deflect downwards, the pressing wheel 21 on the other side of the rope guide support 20 is matched with the driving wheel 7 to press the hoisting rope 8, the heavier the hung goods is, the larger the pressing force of the pressing wheel 21 is, and therefore the purpose of preventing the hung goods from sliding downwards is achieved.

In order to further improve anti-skidding performance and radiating effect, action wheel 7 include middle circular arc fluted disc 24 and fix fixed disk 25 about middle circular arc fluted disc 24 both sides, control fixed disk 25 and middle circular arc fluted disc 24 cooperation constitute on the periphery outward with hoist rope 8 assorted T-slot, the tank bottom in T-slot is the circular arc tooth of equipartition on the outer circumference of middle circular arc fluted disc 24, the equipartition has guide slot 26 on the fixed disk 25 about the T-slot both sides, guide slot 26 downwardly extending to the bottom between the adjacent circular arc tooth and form heat dissipation channel.

In order to realize double lifting weight, the lifting weight box body 11 is fixed with a double-hook fixing plate 31, and a lifting hook hanging hole connected with the lifting hook assembly 10 is arranged on the double-hook fixing plate 31.

A housing 2 is fixed above the motor 3, and mounting and fixing pieces 1 on the same stress plane are fixed on the housing 2 and the hoisting box body 11.

In order to ensure the use safety, the cover plate 6 of the hoisting box body is provided with an up-and-down arrow mark, the up-and-down arrow mark is in the direction of bearing and ascending, and the down-and-down arrow mark is in the direction of non-bearing and descending, so that the correct use of a user can be ensured.

In order to prevent misoperation, the two sides below the hoisting box body 11 are correspondingly provided with a left limiting frame 12, a right limiting frame 16, a hoisting rope 8, two ends of which correspondingly penetrate the left limiting frame 12, the right limiting frame 16 and are respectively fixed with a limiting balancing weight 9, a control box 29 is fixed at the lower part of the motor 3, a control handle 30 is electrically connected with the control box 29, the control box 29 is correspondingly provided with an upper limiting switch and a lower limiting switch which are matched with the left limiting frame 12, the right limiting frame 12, the left limiting frame 12, the right limiting frame 16 and the limiting balancing weight 9, so that the upper limiting switch and the lower limiting.

In order to adapt to different ropes, the hoisting rope 8 is a steel wire rope, a nylon rope, a climbing rope or an ultrahigh molecular weight polyethylene safety rope.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the present invention in any way, and simple modifications, equivalent changes and modifications may be made without departing from the technical scope of the present invention.