CN213738423U

CN213738423U - Simple fork type lifting device

Info

Publication number: CN213738423U
Application number: CN202022159422.7U
Authority: CN
Inventors: 魏乐乐
Original assignee: China Coal No 1 Construction Co Ltd
Current assignee: China Coal No 1 Construction Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-07-20
Anticipated expiration: 2030-09-27

Abstract

The utility model relates to the technical field of lifting devices, and provides a simple fork type lifting device, which comprises a lifting frame and a fork frame device, wherein the free end of the horizontal side of an L-shaped structure of the fork frame device is formed into a bearing arm, and the free end of the bearing arm is provided with a limiting rod; bear the arm and be provided with adjustable stop device, adjustable stop device includes: the telescopic cylinder is arranged on the side of the scissors-shaped opening of the cover plate and the bottom groove, one end of the telescopic cylinder is hinged with the bottom groove by virtue of a hinge rod, the other end of the telescopic cylinder is hinged with the cover plate, the bottom groove is fixed at the tail end of the fork frame device, and the side wall of the bearing arm coincides with the bottom groove. Through above-mentioned scheme, the problem that elevating gear among the prior art wastes time and energy, the fault rate is high and labour cost increases has been solved.

Description

Simple fork type lifting device

Technical Field

The utility model relates to a lifting device technical field, specificly relate to a simple and easy type fork elevating gear.

Background

At present, equipment loading and unloading vehicles with large underground volume, heavy weight and the like of mines and other equipment are often installed in a butt joint mode through special hoisting anchor cables, the hoisting of the equipment for hoisting the hoisting anchor cables is time-consuming and labor-consuming, materials are wasted to a certain extent, and construction cost is increased.

Fully-mechanized mining equipment installs the completion back, need carry out the oiling to each reduction gear, the reduction gear requires highly to the reference numeral of grease, reduction gear oiling work utilizes hand-operated oil-well pump or electronic oil-well pump to accomplish in the past, if have the hand-operated labouring that often appears of hand-operated oil-well pump of high-grade grease use, the hand-operated oil-well pump gear damage can appear for a long time of live time, and can not accomplish reduction gear oiling work smoothly, use chain block to lift by crane the grease bucket and carry out the oiling if playing the anchor rope of lifting by crane, it drops to in the reduction gear to appear the roof cinder often, cause the damage to the reduction gear.

SUMMERY OF THE UTILITY MODEL

The utility model provides a simple and easy type fork elevating gear has solved the elevating gear among the prior art problem that wastes time and energy, the fault rate is high and labour cost increases.

The technical scheme of the utility model as follows:

a simple fork type lifting device, which comprises a lifting frame and a fork frame device,

the lifting frame is fixed on the station ground by means of a lifting device, and the lifting device comprises a telescopic guide rod and a jacking cylinder;

the lifting frame is connected with the fork frame device, the fork frame device is arranged at one side of the lifting frame in an L-shaped structure,

the free end of the horizontal side of the L-shaped structure of the fork frame device is formed into a bearing arm, and a limiting rod is arranged at the free end of the bearing arm;

bear the arm and be provided with adjustable stop device, adjustable stop device includes: a cover plate, a telescopic cylinder and a bottom groove,

the cover plate is hinged with the bearing arm by a hinge shaft, the cover plate has the freedom degree of swinging around the hinge shaft and forms a scissors-shaped opening which can be opened and closed with the bottom groove,

the telescopic cylinder is arranged on the scissor-shaped opening side of the cover plate and the bottom groove, one end of the telescopic cylinder is hinged with the bottom groove by a hinge rod, the other end of the telescopic cylinder is hinged with the cover plate,

the bottom groove is fixed at the tail end of the fork frame device and is superposed with the side wall of the bearing arm.

The adjustable limiting device also comprises a slide rail, a slide block and a support rod,

the slide rail is fixed at the bottom of the bottom groove,

the slide block is arranged on the slide rail and has the freedom degree of sliding along the slide rail,

one end of the supporting rod is hinged to the sliding block, and the other end of the supporting rod is hinged to the cover plate through a connecting piece.

And limiting holes are symmetrically formed in the side wall of the bottom groove.

The slider lateral wall symmetry is provided with spacing post and spacing groove, spacing post set up in the spacing inslot has along the flexible degree of freedom of spacing groove with the help of the spring, spacing post with spacing hole cooperation restriction the degree of freedom of slider.

When the opening of the adjustable limiting device is closed, the hinged part of the connecting piece is lower than the connecting line between the hinged part of the telescopic cylinder and the bottom groove and the hinged shaft, and self-locking can be formed.

The slider is further provided with a pull ring, and the pull ring is connected with the tail end of the limiting column.

The jacking cylinder is a manual hydraulic jack.

The flexible guide arm includes: an outer sleeve and an inner sleeve,

the outer sleeve is fixed on the station ground and is of a cylindrical structure,

the inner sleeve is nested in the outer sleeve, and the inner sleeve has the freedom degree of moving up and down along the outer sleeve.

The telescopic guide rod and the bottom of the jacking cylinder are provided with connecting flanges, and the telescopic guide rod and the bottom of the jacking cylinder are fixedly connected with the work station ground by means of the connecting flanges.

The limiting rod is vertically arranged on the cover plate.

The utility model discloses a theory of operation and beneficial effect do:

the utility model discloses in provide a simple and easy type fork elevating gear, including crane and crotch device, the crane is fixed in station ground with the help of elevating gear, elevating gear includes flexible guide arm and jacking cylinder, through the height of lifting jacking cylinder control crane, places the goods after adjusting to suitable position bear on the arm, can adjust the angle of apron in order to obtain better fixed effect according to the difference of goods shape size, when using adjustable stop device, lift the apron, can realize the spacing usefulness to the goods with the help of the thrust of telescoping cylinder, convenient operation, labour saving and time saving has solved the problem that elevating gear among the prior art wastes time and energy, the fault rate is high and labour cost increases.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a schematic view of an adjustable stop device;

FIG. 4 is a top view of the adjustable stop device;

FIG. 5 is a schematic view of the adjustable stop device in a closed state;

FIG. 6 is a schematic view of a slider structure;

in the figure: 1. the lifting frame comprises a lifting frame, 2, a telescopic guide rod, 3, a jacking cylinder, 4, a bearing arm, 5, a limiting rod, 6, a cover plate, 7, a telescopic cylinder, 8, a bottom groove, 9, a hinge rod, 10, a sliding rail, 11, a sliding block, 12, a supporting rod, 13, a connecting piece, 14, a limiting hole, 15, a limiting column, 16, a limiting groove, 17, a pull ring, 18, an outer sleeve, 19, an inner sleeve, 20 and a connecting flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

Example 1

As shown in fig. 1 to 2, the present embodiment proposes a simple forklift device, which includes a crane 1 and a fork carriage device,

the lifting frame 1 is fixed on the station ground by means of a lifting device, and the lifting device comprises a telescopic guide rod 2 and a jacking cylinder 3;

the lifting frame 1 is connected with the fork frame device, the fork frame device is arranged at one side of the lifting frame 1 in an L-shaped structure,

the free end of the horizontal side of the L-shaped structure of the fork frame device is formed into a bearing arm 4, and a limiting rod 5 is arranged at the free end of the bearing arm 4;

bear arm 4 and be provided with adjustable stop device, adjustable stop device includes: a cover plate 6, a telescopic cylinder 7 and a bottom groove 8,

the cover plate 6 is hinged with the bearing arm 4 by means of a hinge shaft, the cover plate 6 has a degree of freedom of swinging around the hinge shaft and forms a scissors-type opening which can be opened and closed with the bottom groove 8,

the telescopic cylinder 7 is arranged on the scissor-shaped opening side of the cover plate 6 and the bottom groove 8, one end of the telescopic cylinder is hinged with the bottom groove 8 through a hinge rod 9, the other end of the telescopic cylinder is hinged with the cover plate 6,

the bottom groove 8 is fixed at the tail end of the fork frame device, and the bottom groove 8 is superposed with the side wall of the bearing arm 4.

In this embodiment, the utility model provides a simple and easy type fork elevating gear, including crane 1 and crotch device, crane 1 is fixed in station ground with the help of elevating gear, elevating gear includes flexible guide arm 2 and jacking cylinder 3, through the height of 3 control cranes 1 of lifting jacking cylinder, places the goods after adjusting to suitable position bear on the arm 4, can adjust the angle of apron 6 according to the difference of goods shape size in order to obtain better fixed effect, when using adjustable stop device, lift apron 6, can realize the spacing usefulness to the goods with the help of the thrust of telescoping cylinder 7, convenient operation, labour saving and time saving has solved the problem that elevating gear among the prior art wastes time and energy, the fault rate is high and labour cost increases.

Further, as shown in FIGS. 1-3,

the adjustable limiting device also comprises a slide rail 10, a slide block 11 and a support rod 12,

the slide rail 10 is fixed at the bottom of the bottom groove 8,

the sliding block 11 is arranged on the sliding rail 10 and has a degree of freedom to slide along the sliding rail 10,

one end of the support rod 12 is hinged with the slide block 11, and the other end is hinged with the cover plate 6 by a connecting sheet 13.

Because the support dynamics of telescopic link can appear contracting phenomenon when facing the heavy object, so will install bracing piece 12 additional, stability when increasing the weight of bearing the weight of, when need not use adjustable stop device, through the slip of slider 11 in slide rail 10, in bracing piece 12 alright take up kerve 8, provided sufficient flexibility and convenience.

Further, as shown in FIG. 3,

and limiting holes 14 are symmetrically formed in the side wall of the bottom groove 8.

The limiting hole 14 and the limiting column 15 cooperate to limit the degree of freedom of the sliding block 11, so that the supporting rod 12 can support the cover plate 6. Ensuring the stability of the cover plate 6 when bearing heavy objects.

Further, as shown in figures 3-4,

the slider 11 lateral wall symmetry is provided with spacing post 15 and spacing groove 16, spacing post 15 set up in the spacing groove 16, have along the flexible degree of freedom of spacing groove 16 with the help of the spring, spacing post 15 with spacing hole 14 cooperation restriction the degree of freedom of slider 11.

The limiting column 15 extends out of the sliding block 11 under the action of a spring and is clamped in the limiting hole 14, so that the sliding freedom degree of the sliding block 11 can be limited, and the supporting rod 12 can support the cover plate 6. Ensuring the stability of the cover plate 6 when bearing heavy objects. The limiting groove 16 can play a role in positioning the limiting column 15 and the spring, ensures that the limiting column and the spring stretch in the same stretching direction all the time and are accurately inserted into the limiting hole 14, and the phenomenon of deviation cannot occur, so that the limiting failure is caused.

Further, as shown in FIG. 5,

when the opening of the adjustable limiting device is closed, the hinged part of the connecting piece 13 is lower than the connecting line between the hinged part of the telescopic cylinder 7 and the bottom groove 8 and the hinged shaft, and self-locking can be formed.

When the adjustable limiting device is not needed, the cover plate 6 is pressed to be in a closed state, at the moment, the hinged part of the connecting piece 13 is lower than the hinged part of the telescopic cylinder 7 and the bottom groove 8 and the connecting line of the hinged shaft, self-locking can be formed, and the cover plate 6 can not be opened by itself under the action of no external force.

Further, as shown in FIGS. 3 and 6,

the sliding block 11 is further provided with a pull ring 17, and the pull ring 17 is connected with the tail end of the limiting column 15.

The limiting column 15 of the pull ring 17 is pulled to shrink, the limiting effect on the sliding block 11 is relieved, the pull ring 17 is loosened, the limiting column 15 is reset by means of a spring and is inserted into the limiting hole 14 to limit the degree of freedom of the sliding block 11, the stability of the sliding block 11 during supporting is ensured, the sliding block can be freely folded and unfolded when an adjustable limiting device is not used, and the operation is simple, convenient and labor-saving.

Further, as shown in FIG. 1,

the jacking cylinder 3 is a manual hydraulic jack.

The hydraulic jack has low cost and simple structure and is easy to operate.

Further, as shown in FIG. 2,

the telescopic guide bar 2 includes: an outer sleeve 18 and an inner sleeve 19,

the outer sleeve 18 is fixed on the station ground and is of a cylindrical structure,

the inner sleeve 19 is nested in the outer sleeve 18, and the inner sleeve 19 has freedom of moving up and down along the outer sleeve 18. The inner sleeve 19 is a 1.5-inch galvanized steel pipe, the outer sleeve 18 is a 2-inch galvanized steel pipe, the strength is enough, the inner sleeve is used for fixing the lifting frame 1, and the telescopic guide rod 2 can increase the stability of the lifting frame 1.

Further, as shown in FIG. 1,

and the bottom parts of the telescopic guide rod 2 and the jacking cylinder 3 are provided with connecting flanges 20, and the telescopic guide rod and the jacking cylinder are fixedly connected with the ground of a working position by means of the connecting flanges 20.

The flange is fixed on the station ground, the contact area is enlarged, the stability is better, stress concentration is not easy to occur, and the ground or the telescopic guide rod 2 is not easy to be damaged.

Further, as shown in FIG. 3,

the limiting rod 5 is vertically arranged on the cover plate 6.

The stop lever 5 can prevent the goods from slipping off.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A simple fork type lifting device, which comprises a lifting frame (1) and a fork frame device,

the lifting frame (1) is fixed on the station ground by means of a lifting device, and the lifting device comprises a telescopic guide rod (2) and a jacking cylinder (3);

the lifting frame (1) is connected with the fork frame device, the fork frame device is arranged at one side of the lifting frame (1) in an L-shaped structure,

the free end of the horizontal side of the L-shaped structure of the fork frame device is formed into a bearing arm (4), and a limiting rod (5) is arranged at the free end of the bearing arm (4);

its characterized in that, bear arm (4) and be provided with adjustable stop device, adjustable stop device includes: a cover plate (6), a telescopic cylinder (7) and a bottom groove (8),

the cover plate (6) is hinged with the bearing arm (4) by means of a hinge shaft, the cover plate (6) has a degree of freedom of swinging around the hinge shaft and forms a scissors-shaped opening which can be opened and closed with the bottom groove (8),

the telescopic cylinder (7) is arranged on the scissor-shaped opening side of the cover plate (6) and the bottom groove (8), one end of the telescopic cylinder is hinged with the bottom groove (8) by a hinge rod (9), the other end of the telescopic cylinder is hinged with the cover plate (6),

the bottom groove (8) is fixed at the tail end of the fork frame device, and the bottom groove (8) is overlapped with the side wall of the bearing arm (4).

2. A simple forklift device according to claim 1, wherein the adjustable stop device further comprises a slide rail (10), a slide block (11) and a support bar (12),

the slide rail (10) is fixed at the bottom of the bottom groove (8),

the slide block (11) is arranged on the slide rail (10) and has the freedom degree of sliding along the slide rail (10),

one end of the supporting rod (12) is hinged with the sliding block (11), and the other end of the supporting rod is hinged with the cover plate (6) by means of a connecting sheet (13).

3. A simple forklift device as claimed in claim 2, in which the side walls of the channel (8) are symmetrically provided with limit holes (14).

4. A simple forklift device as claimed in claim 3, wherein the side walls of the sliding block (11) are symmetrically provided with a limiting post (15) and a limiting groove (16), the limiting post (15) is arranged in the limiting groove (16), the limiting post has a degree of freedom of extension and retraction along the limiting groove (16) by means of a spring, and the limiting post (15) cooperates with the limiting hole (14) to limit the degree of freedom of the sliding block (11).

5. A simple forklift device as claimed in claim 2, wherein the hinge of the connecting piece (13) is self-locking when the opening of the adjustable stop device is closed, below the line between the hinge of the telescopic cylinder (7) and the bottom slot (8) and the hinge axis.

6. A simple forklift device as claimed in claim 4, wherein the slider (11) is further provided with a pull ring (17), and the pull ring (17) is connected with the end of the limit post (15).

7. A simple forklift device according to claim 1, wherein the jacking cylinder (3) is a manual hydraulic jack.

8. A simplified forklift device according to claim 1, wherein the telescopic guide bar (2) comprises: an outer sleeve (18) and an inner sleeve (19),

the outer sleeve (18) is fixed on the station ground and is of a cylindrical structure,

the inner sleeve (19) is nested in the outer sleeve (18), and the inner sleeve (19) has the freedom degree of moving up and down along the outer sleeve (18).

9. A simple forklift device as claimed in claim 1, wherein the telescopic guide rods (2) and the bottom of the jacking cylinder (3) are provided with connecting flanges (20) which are fixedly connected with the ground of a working position by means of the connecting flanges (20).

10. A simple forklift device as claimed in claim 1, wherein the limit stop (5) is arranged vertically on the cover plate (6).