阅读说明：本技术 一种车载式可调节小吊机 (Vehicle-mounted adjustable small crane ) 是由 冯立志 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种车载式可调节小吊机,属于车载起重设备技术领域,包括底座、立柱、旋转支撑座、卷扬机和吊钩,还包括横梁组件,横梁组件包括横梁套管、活动支架和插接横梁,立柱底端连接安装用的底座,立柱的顶端可旋转的连接旋转支撑座,旋转支撑座的顶支板上通过第一销轴铰接横梁套管后端的横梁后支板；旋转支撑座的顶支板前端还设置有若干个摆角卡槽,横梁套管在横梁后支板前方铰接活动支架,活动支架底端的卡销相应的卡接在摆角卡槽进行横梁组件的仰角调整；插接横梁插接在横梁套管的前端进行横梁组件的长度调整。本发明车载式可调节小吊机,能够灵活调整吊机横梁的起吊仰角,而且横梁折叠后便于存放节省空间。(The invention discloses a vehicle-mounted adjustable small crane, which belongs to the technical field of vehicle-mounted hoisting equipment and comprises a base, an upright post, a rotary supporting seat, a winch, a lifting hook and a beam assembly, wherein the beam assembly comprises a beam sleeve, a movable support and an inserted beam; the front end of a top supporting plate of the rotary supporting seat is also provided with a plurality of swing angle clamping grooves, a beam sleeve is hinged with a movable support in front of a beam rear supporting plate, and clamping pins at the bottom end of the movable support are correspondingly clamped in the swing angle clamping grooves to adjust the elevation angle of the beam assembly; the splicing cross beam is spliced at the front end of the cross beam sleeve to adjust the length of the cross beam assembly. The vehicle-mounted adjustable small crane can flexibly adjust the lifting elevation angle of the crane beam, and the beam is convenient to store after being folded, thereby saving space.)

1. The utility model provides an adjustable little loop wheel machine of vehicular, includes base (1), stand (2), rotary supporting seat (3), hoist engine (8) and lifting hook (9), its characterized in that: the mounting device is characterized by further comprising a beam assembly, wherein the beam assembly comprises a beam sleeve (4), a movable support (5) and an inserted beam (6), the bottom end of the upright post (2) is connected with the base (1) for mounting, the top end of the upright post (2) is rotatably connected with the rotary supporting seat (3), and a top supporting plate of the rotary supporting seat (3) is hinged with a beam rear supporting plate (404) at the rear end of the beam sleeve (4) through a first pin shaft (301); the front end of a top supporting plate of the rotary supporting seat (3) is also provided with a plurality of swing angle clamping grooves (302), the beam sleeve (4) is hinged with the movable support (5) in front of the beam rear supporting plate (404), and clamping pins (501) at the bottom end of the movable support (5) are correspondingly clamped in the swing angle clamping grooves (302) to adjust the elevation angle of the beam assembly; the inserting cross beam (6) is inserted at the front end of the cross beam sleeve (4) to adjust the length of the cross beam assembly.

2. The vehicle-mounted adjustable small crane according to claim 1, characterized in that: a bottom plate of the base (1) is provided with a plurality of mounting holes (101) for connection, and a plurality of vertical rib plates (102) are arranged between the bottom plate and the upright posts (2).

3. The vehicle-mounted adjustable small crane according to claim 1, characterized in that: the top end of the upright post (2) is provided with a bearing assembly, and the bearing assembly is rotatably connected with the rotary supporting seat (3).

4. The vehicle-mounted adjustable small crane according to claim 1, characterized in that: the side wall of the rotary drum of the rotary support seat (3) is connected with a positioning crank (304) through threads, and the relative position between the rotary support seat (3) and the upright post (2) can be positioned or loosened by rotating the positioning crank (304).

5. The vehicle-mounted adjustable small crane according to claim 4, characterized in that: the rear part of the rotary drum of the rotary support seat (3) is hinged with a rotary handle (303), and when the positioning crank (304) is loosened, the rotary handle (303) is rotated to adjust the rotation angle of the rotary support seat (3) conveniently.

6. The vehicle-mounted adjustable small crane according to claim 1, characterized in that: the beam sleeve (4) is provided with a beam front support plate (402) extending downwards in front of the beam rear support plate (404), and the bottom of the beam front support plate (402) is hinged with the movable support (5).

7. The vehicle-mounted adjustable small crane according to claim 1, characterized in that: a plurality of cross beam length adjusting holes (403) which are arranged at equal intervals in a penetrating manner are formed in the side wall of the cross beam sleeve (4), and the cross beam length adjusting holes (403) are distributed along the length direction of the cross beam sleeve (4); the inner end of the plug-in cross beam (6) is provided with a plug-in hole, and the extending length of the plug-in cross beam (6) is adjusted by adjusting the locking positions of the plug-in hole and the cross beam length adjusting hole (403).

8. The vehicle-mounted adjustable small crane according to claim 1, characterized in that: the outer end of the inserting cross beam (6) is provided with a pulley through a second pin shaft (601), and a steel wire rope of the winch (8) is connected with the lifting hook (9) through the pulley.

9. The vehicle-mounted adjustable small crane according to claim 8, characterized in that: and a hook ring (602) used for hanging the lifting hook (9) is arranged at the lower part of the outer end of the inserting cross beam (6).

10. The vehicle-mounted adjustable small crane according to any one of claims 1-9, characterized in that: the cross beam sleeve (4) and the plug-in cross beam (6) are square tubes, the cross section of the plug-in cross beam (6) is matched with the cross section hole of the cross beam sleeve (4), and the plug-in cross beam (6) is movably plugged in the cross beam sleeve (4).

Technical Field

The invention relates to the technical field of vehicle-mounted hoisting equipment, in particular to a vehicle-mounted adjustable small crane.

Background

At present, in the circulation of goods on land, trucks mainly undertake the transportation of goods, the goods must be loaded and unloaded in the transportation process, a lot of small goods are generally carried on and off by hands, and large goods are carried by a crane or a forklift. However, in some cases, when the working space of the hoisting machine is narrow, the hoisting machine cannot perform its function, and thus there are many limitations, and the cargo handling operation is very inconvenient. Moreover, the load capacity of a small truck is not large, and it is not economical to employ a crane or a forklift alone for loading and unloading goods, and the labor intensity of manual carrying is high, and the cost is high.

Disclosure of Invention

The invention aims to provide a vehicle-mounted adjustable small crane, which can flexibly adjust the lifting elevation angle of a crane beam and is convenient to store and save space after the beam is folded.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention discloses a vehicle-mounted adjustable small crane, which comprises a base, an upright post, a rotary supporting seat, a winch, a lifting hook and a beam assembly, wherein the beam assembly comprises a beam sleeve, a movable support and an inserted beam; the front end of a top supporting plate of the rotary supporting seat is also provided with a plurality of swing angle clamping grooves, the beam sleeve is hinged with the movable support in front of the beam rear supporting plate, and clamping pins at the bottom end of the movable support are correspondingly clamped in the swing angle clamping grooves to adjust the elevation angle of the beam assembly; the splicing cross beam is spliced at the front end of the cross beam sleeve to adjust the length of the cross beam assembly.

Furthermore, a plurality of mounting holes for connection are formed in a bottom plate of the base, and a plurality of vertical rib plates are arranged between the bottom plate and the upright posts.

Further, the top end of the upright post is provided with a bearing assembly, and the bearing assembly is rotatably connected with the rotary supporting seat.

Furthermore, a positioning crank is connected to the side wall of the rotary drum of the rotary support seat through threads, and the relative position between the rotary support seat and the upright column can be positioned or loosened by rotating the positioning crank.

Furthermore, a rotating handle is hinged to the rear of the rotary supporting seat drum, and when the positioning crank is loosened, the rotating handle is rotated to adjust the rotating angle of the rotary supporting seat conveniently.

Furthermore, a beam front support plate extending downwards is arranged in front of the beam rear support plate of the beam sleeve, and the bottom of the beam front support plate is hinged with the movable support.

Furthermore, a plurality of cross beam length adjusting holes which are arranged in a penetrating mode at equal intervals are formed in the side wall of the cross beam sleeve, and the cross beam length adjusting holes are distributed along the length direction of the cross beam sleeve; the inner end of the plug-in cross beam is provided with a plug-in hole, and the extending length of the plug-in cross beam is adjusted by adjusting the locking positions of the plug-in hole and the cross beam length adjusting hole.

Furthermore, a pulley is installed at the outer end of the inserting cross beam through a second pin shaft, and a steel wire rope of the winch is connected with the lifting hook through the pulley.

Furthermore, a hook ring used for hanging the lifting hook is arranged on the lower portion of the outer end of the inserting cross beam.

Furthermore, the beam sleeve and the plug-in beam are square tubes, the cross section of the plug-in beam is matched with the cross section of the beam sleeve in shape, and the plug-in beam is movably plugged in the beam sleeve.

Compared with the prior art, the invention has the beneficial technical effects that:

according to the vehicle-mounted adjustable small crane, due to the arrangement of the movable support hinged below the cross beam sleeve, the bayonet lock at the bottom end of the movable support is correspondingly clamped in the swing angle clamping grooves at different positions to adjust the elevation angle of the cross beam assembly, so that the adjustment according to the height of goods is facilitated, the adjustment process is simple and convenient, the cross beam sleeve is lifted to rotate around the first pin shaft, the bayonet lock is lifted to be separated from the original swing angle clamping groove, the bayonet lock is placed into the required swing angle clamping groove again according to actual requirements, the elevation angle adjustment of the cross beam assembly can be completed, and the cross beam assembly is convenient to store and save space after being folded. The length adjustment of the beam assembly can be completed by adjusting the length of the plug beam leaking out of the beam sleeve through the plug beam plugged at the front end of the beam sleeve, so that the requirements of different working conditions are met.

In addition, the mounting holes are formed in the bottom plate of the base, so that the small crane can be conveniently and integrally mounted on a truck hopper; the vertical rib plates are arranged, so that the connection strength between the base and the vertical columns is increased conveniently, and the requirement on the overall structural strength of the equipment is met; through the setting of bearing assembly, under the prerequisite of the joint strength of assurance between rotary supporting seat and the stand, be convenient for rotatory for no longer hard when rotating the part more than rotary supporting seat. Through the arrangement of the positioning crank, the rotary supporting seat can be conveniently rotated to a required angle to work and be positioned in time, and shaking and safety accidents in the hoisting process are prevented; through the setting of rotating the handle, operating personnel stands the rear of little loop wheel machine, when needing the angle of adjustment hoist and mount position, location crank is loosened to one hand, and the rotation handle is mentioned to the other hand, rotates to rotate the handle and rotates the part above the rotatory supporting seat drives together, in time locks the location crank after targetting in place, alone adjusts the turned angle operation, and is very convenient reliable. Through the arrangement of the front supporting plate of the cross beam, the movable support is convenient to mount and dismount, meanwhile, the length of the movable support can be reduced, the structural strength of the movable support is improved, and the reliability and stability of the structure are guaranteed. Through the matching arrangement of the insertion holes and the beam length adjusting holes, the protruding length of the insertion beam is convenient to lock and control, and the occurrence of relative sliding and safety accidents is avoided; the cross beam sleeve and the plug-in cross beam of the square tube which are matched with each other are adopted, so that the stability of the structure of the small crane is facilitated. Through the setting of shackle, when not using the lifting hook, hang the lifting hook on the shackle, inertia is in disorder when preventing the lifting hook from transporting on the freight train and is put, avoids the hook accident that takes place easily.

Drawings

The invention is further illustrated in the following description with reference to the drawings.

FIG. 1 is a schematic view showing an unfolded three-dimensional structure of a vehicle-mounted adjustable small crane according to the present invention;

FIG. 2 is a schematic view of a folding three-dimensional structure of the vehicle-mounted adjustable small crane of the present invention;

description of reference numerals: 1. a base; 101. mounting holes; 102. a vertical rib plate; 2. a column; 3. rotating the supporting seat; 301. a first pin shaft; 302. a swing angle clamping groove; 303. rotating the handle; 304. positioning a crank; 4. a beam sleeve; 401. a winch mounting plate; 402. a beam front support plate; 403. a beam length adjustment hole; 404. a beam rear support plate; 5. a movable support; 501. a bayonet lock; 6. inserting a cross beam; 601. a second pin shaft; 602. a shackle; 7. a winch; 8. and (4) a lifting hook.

Detailed Description

The core of the invention is to provide a vehicle-mounted adjustable small crane, which can flexibly adjust the lifting elevation angle of the crane beam and is convenient to store and save space after the beam is folded.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In a specific embodiment, as shown in fig. 1 and 2, the vehicle-mounted adjustable small crane comprises a base 1, an upright post 2, a rotary support seat 3, a winch 8, a lifting hook 9 and a beam assembly, wherein the beam assembly comprises a beam sleeve 4, a movable support 5 and an insertion beam 6, the bottom end of the upright post 2 is connected with the base 1, and the small crane is mounted on a truck hopper through the base 1. The top end of the upright post 2 is rotatably connected with a rotary supporting seat 3, and a top supporting plate of the rotary supporting seat 3 is hinged with a beam rear supporting plate 404 at the rear end of the beam sleeve 4 through a first pin shaft 301. A plurality of swing angle clamping grooves 302 are further formed in the front end of the top supporting plate of the rotary supporting seat 3, and the swing angle clamping grooves 302 are arranged in an arc shape. The beam sleeve 4 is hinged with a movable support 5 in front of a beam rear support plate 404, and a bayonet 501 at the bottom end of the movable support 5 is correspondingly clamped in the swing angle clamping grooves 302 at different positions to adjust the elevation angle of the beam assembly; the splicing cross beam 6 is spliced at the front end of the cross beam sleeve 4 to adjust the length of the cross beam assembly. The hoist 8 is arranged on a hoist mounting plate 401 at the top of the beam sleeve 4, and a steel wire rope of a rope drum of the hoist 8 bypasses the front end and the rear end of the splicing beam 6 to be connected with a lifting hook 9 in a hanging manner.

Through the setting of the articulated movable support 5 below the beam sleeve 4, the corresponding joint of bayonet lock 501 at the bottom end of the movable support 5 is carried out in the pivot angle clamping grooves 302 at different positions for adjusting the elevation angle of the beam assembly, so that the adjustment can be carried out according to the height of goods, the adjustment process is simple and convenient, the bayonet lock 501 is lifted to be separated from the original pivot angle clamping groove 302 only by lifting the beam sleeve 4 to rotate around the first pin shaft 301, the required pivot angle clamping groove 302 is put into the required pivot angle clamping groove 302 again according to actual requirements, the elevation angle adjustment of the beam assembly can be completed, and further, the movable support 5 is separated from all the pivot angle clamping grooves 302 and is stacked under the beam sleeve 4, so that the beam assembly is convenient to store after being folded, the placement space is saved. The length adjustment of the beam assembly can be completed by inserting the inserting beam 6 at the front end of the beam sleeve 4 and adjusting the length of the inserting beam 6 leaking out of the beam sleeve 4, so that the requirements of different working conditions are met.

In an embodiment of the present invention, as shown in fig. 1 and fig. 2, a bottom plate of a base 1 is provided with a plurality of mounting holes 101 for connection, and a plurality of vertical rib plates 102 are welded between the bottom plate and a vertical column 2.

Further, the top end of the column 2 is provided with a bearing assembly, in this embodiment, a radial bearing and a thrust bearing are used in cooperation, and the column 2 is rotatably connected with the rotary support base 3 through the bearing assembly.

The mounting hole 101 is formed in the bottom plate of the base 1, so that the small crane can be conveniently and integrally mounted on a truck hopper; the vertical rib plates 102 are arranged, so that the connection strength between the base 1 and the upright post 2 is increased conveniently, and the requirement on the overall structural strength of the equipment is met; through the setting of bearing assembly, under the prerequisite of the joint strength of guaranteeing between rotary supporting seat 3 and the stand 2, be convenient for rotatory for it is no longer hard when rotating the part more than rotary supporting seat 3.

In an embodiment of the present invention, as shown in fig. 1 and fig. 2, a positioning crank 304 is threadedly connected to the side wall of the drum of the rotary support base 3, and the rotary positioning crank 304 can position or release the relative position between the rotary support base 3 and the upright 2.

Furthermore, the rear part of the rotary drum of the rotary support base 3 is hinged with a rotary handle 303, and when the positioning crank 304 is loosened, the rotary handle 303 is rotated to facilitate the adjustment of the rotation angle of the rotary support base 3.

Through the arrangement of the positioning crank 304, the rotary support base 3 can be conveniently rotated to a required angle to work and be positioned in time, and shaking and safety accidents in the hoisting process are prevented; through the setting of rotating handle 303, operating personnel stands the rear of little loop wheel machine, when needing the angle of adjustment hoist and mount position, location crank 304 is loosened to one hand, and the other hand is mentioned and is rotated handle 303, rotates and rotates handle 303 and drive above part of rotary supporting seat 3 and rotate together, in time locks location crank 304 after targetting in place, and alone adjusts the turned angle operation, very convenient and reliable.

In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the beam sleeve 4 is provided with two symmetrically arranged beam front support plates 402 extending downwards in front of the beam rear support plate 404, and the bottom of the beam front support plate 402 is hinged with the movable bracket 5.

Through the setting of the front supporting plate 402 of the cross beam, the movable support 5 can be conveniently installed and detached, meanwhile, the length of the movable support 5 can be reduced, the structural strength of the movable support 5 can be improved, and the reliability and stability of the structure are guaranteed.

In a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, a plurality of beam length adjusting holes 403 are formed on the side wall of the beam sleeve 4 and are arranged at equal intervals, and the beam length adjusting holes 403 are arranged along the length direction of the beam sleeve 4; the inner end of the plug-in cross beam 6 is provided with a plug-in hole, the protruding length of the plug-in cross beam 6 is adjusted by adjusting the locking position of the plug-in hole and the cross beam length adjusting hole 403, and when the plug-in hole coincides with the cross beam length adjusting hole 403, a bolt or a pin shaft is inserted for locking.

Furthermore, the beam sleeve 4 and the plug beam 6 are square tubes, the cross section of the plug beam 6 is matched with the cross section hole of the beam sleeve 4 in shape, and the plug beam 6 is movably plugged in the beam sleeve 4.

Through the matching arrangement of the insertion holes and the beam length adjusting holes 403, the protruding length of the insertion beam 6 can be conveniently locked and controlled, and the relative sliding and safety accidents are avoided; the cross beam sleeve 4 and the splicing cross beam 6 of the square tube which are mutually matched are adopted, so that the stability of the structure of the small crane is facilitated.

In an embodiment of the present invention, as shown in fig. 1 and 2, a pulley is installed at the outer end of the plug beam 6 through a second pin 601, and a steel wire rope of the winch 8 is connected to the hook 9 through the pulley.

Furthermore, the lower part of the outer end of the plug beam 6 is welded with a hook ring 602 for hanging the hook 9.

Through the setting of shackle 602, when not using lifting hook 9, hang lifting hook 9 on shackle 602, inertia is indiscriminate when preventing lifting hook 9 from transporting on the freight train and is swung, avoids the hook accident that takes place easily.

According to the vehicle-mounted adjustable small crane, due to the arrangement of the movable support 5 hinged below the beam sleeve 4, the bayonet lock 501 at the bottom end of the movable support 5 is correspondingly clamped in the swing angle clamping grooves 302 at different positions to adjust the elevation angle of the beam assembly, the adjustment according to the height of goods is convenient, the adjustment process is simple and convenient, the elevation angle adjustment of the beam assembly can be completed only by lifting the beam sleeve 4 to rotate around the first pin shaft 301, the bayonet lock 501 is lifted to be separated from the original swing angle clamping groove 302 and is placed into the required swing angle clamping groove 302 again according to actual requirements, and the beam assembly is further folded to be convenient to store and save space. The length adjustment of the beam assembly can be completed by inserting the inserting beam 6 at the front end of the beam sleeve 4 and adjusting the length of the inserting beam 6 leaking out of the beam sleeve 4, so that the requirements of different working conditions are met. In addition, the mounting hole 101 is formed in the bottom plate of the base 1, so that the small crane can be conveniently and integrally mounted on a truck hopper; the vertical rib plates 102 are arranged, so that the connection strength between the base 1 and the upright post 2 is increased conveniently, and the requirement on the overall structural strength of the equipment is met; through the setting of bearing assembly, under the prerequisite of the joint strength of guaranteeing between rotary supporting seat 3 and the stand 2, be convenient for rotatory for it is no longer hard when rotating the part more than rotary supporting seat 3. Through the arrangement of the positioning crank 304, the rotary support base 3 can be conveniently rotated to a required angle to work and be positioned in time, and shaking and safety accidents in the hoisting process are prevented; through the setting of rotating handle 303, operating personnel stands the rear of little loop wheel machine, when needing the angle of adjustment hoist and mount position, location crank 304 is loosened to one hand, and the other hand is mentioned and is rotated handle 303, rotates and rotates handle 303 and drive above part of rotary supporting seat 3 and rotate together, in time locks location crank 304 after targetting in place, and alone adjusts the turned angle operation, very convenient and reliable. Through the setting of the front supporting plate 402 of the cross beam, the movable support 5 can be conveniently installed and detached, meanwhile, the length of the movable support 5 can be reduced, the structural strength of the movable support 5 can be improved, and the reliability and stability of the structure are guaranteed. Through the matching arrangement of the insertion holes and the beam length adjusting holes 403, the protruding length of the insertion beam 6 can be conveniently locked and controlled, and the relative sliding and safety accidents are avoided; the cross beam sleeve 4 and the splicing cross beam 6 of the square tube which are mutually matched are adopted, so that the stability of the structure of the small crane is facilitated. Through the setting of shackle 602, when not using lifting hook 9, hang lifting hook 9 on shackle 602, inertia is indiscriminate when preventing lifting hook 9 from transporting on the freight train and is swung, avoids the hook accident that takes place easily.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the scope of the present invention is defined by the claims.