CN221319027U

CN221319027U - Novel light crane

Info

Publication number: CN221319027U
Application number: CN202323429613.0U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Henan Zhengda Crane Equipment Co ltd
Current assignee: Henan Zhengda Crane Equipment Co ltd
Priority date: 2023-12-15
Filing date: 2023-12-15
Publication date: 2024-07-12
Anticipated expiration: 2033-12-15

Abstract

The utility model relates to the technical field of cranes, and provides a novel lightweight crane which comprises a bottom rod, wherein a hydraulic press is fixedly arranged at the top of the bottom rod, a hydraulic rod is fixedly arranged at the top of the hydraulic press, an outer column is fixedly arranged at the top of the bottom rod, a plurality of outer frames are movably arranged on the front side and the rear side of the outer column, a spring is fixedly arranged in an inner cavity of the outer frame, and an inner frame is fixedly arranged at the other end of the spring; this novel lightweight hoist uses through the cooperation of spring construction and inside casing structure, and during operation, hydraulic press start control hydraulic stem moves up, promotes bottom block and inner column drive back timber and moves up, utilizes the width that inside casing top arc limit is less than the bottom inclined plane for unable automatic down move after the bottom block moves up, and the mounting panel does not have external force simultaneously, drives the universal wheel shrink under self gravity effect, can also the whole device remove when reaching being applicable to not high article and lifting to and improve the effect of whole device security in the use.

Description

Novel light crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a novel lightweight crane.

Background

A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. The crane is also called crown block, aviation crane and crane, along with the progress of science and technology, the volume weight of crane is also along with diminishing, and then satisfies different hoisting machinery user demands.

Through searching, chinese patent publication No. CN210795569U discloses a lightweight gantry crane, in the patent, by starting a hydraulic cylinder, the hydraulic cylinder slides to drive a squeeze plate to slide, the squeeze plate slides upwards to drive a traction rope to move upwards, and due to the cooperation of a first pulley and a second pulley, the slide block is slid and reset due to the cooperation of a spring, so that the squeeze rod is driven to rotate and move, and the squeeze rod drives a lifting plate to slide upwards, so that a roller is separated from the ground, and a base is firmly supported;

However, the device in the above patent can only simultaneously carry out the upward movement of the roller and the lifting of the main beam, but in actual life, the whole device after the upward movement of the main beam sometimes needs to carry products, but the device in the above patent can not realize the effect of the upward movement of the whole structure after the upward movement of the main beam, has small application range, and simultaneously, after long-time use, the traction rope and the spring are worn, so that the safety of the whole device is reduced.

Disclosure of utility model

The utility model provides a novel light crane which has the advantages of being suitable for lifting articles with different heights, moving an integral device and improving the safety of the integral device in the using process, and solves the problems that the height adjustment cannot be carried out simultaneously, the integral device moves and the safety of the integral device is reduced after long-time use in the related technology.

The technical scheme of the utility model is as follows: the utility model provides a novel lightweight hoist, includes the sill bar, the top fixed mounting of sill bar has the hydraulic press, the top fixed mounting of hydraulic press has the hydraulic stem, the top fixed mounting of sill bar has the outer post, the equal movable mounting in front and back both sides of outer post has a plurality of frames, the inner chamber fixed mounting of frame has the spring, the other end fixed mounting of spring has the inside casing, the equal fixed mounting in left and right sides of frame has the stopper, a plurality of spacing grooves have all been seted up to the front and back both sides of outer post inner wall, one side fixed mounting that the outer post was kept away from to the frame has the connecting plate, the middle part fixed mounting of connecting plate has the connecting rod, the middle part rotation that one side was kept away from each other to the outer post has the gear, the middle part movable mounting of outer post inner chamber has the inner column, inner column bottom fixed mounting has the foundation block, the top beam is fixed mounting in the top of inner column.

Preferably, the front side and the rear side of the hydraulic rod are fixedly provided with cross bars, the bottoms of one sides of the cross bars, which are far away from the outer columns, are fixedly provided with cylinders, the inner cavities of the front side and the rear side of the bottoms of the bottom rods are movably provided with mounting plates, and the bottoms of the mounting plates are rotatably provided with universal wheels.

Preferably, the outer frame is movably arranged on the front side and the rear side of the outer column through a limiting block and a limiting groove, the movable distance of the limiting block in the inner cavity of the limiting groove is matched with the length of the top of the inner frame, and therefore the connecting plate is pulled to enable the outer frame and the connecting structure to move outwards, and then the arc-shaped surface of the top of the inner frame is located right below the bottom block.

Preferably, the outer frames are uniformly distributed on the front side and the rear side of the outer column, the connecting rods on the front side and the rear side of the outer column are respectively arranged on the upper side and the lower side of the gear, one side of each connecting rod facing the gear is matched with the shape of the outer surface of the gear, so that the gear rotates to drive the upper connecting rod and the lower connecting rod to synchronously move forwards and backwards, and the outer frames on the front side and the rear side are driven to synchronously move towards the inner cavity of the outer column or outwards from the inner cavity of the outer column.

Preferably, the bottom of inside casing is the inclined plane design, and one side at inside casing top face outside the post middle part is the arc design, and inside casing top arc design width is less than the width of inside casing bottom inclined plane design to when using, when the bottom block moves up, because the inclined plane design of inside casing bottom makes the bottom block can extrude fast and pass through the inside casing.

Preferably, the hydraulic machine and the hydraulic rod are positioned in the middle of the outer column, and the bottom block is positioned right above the hydraulic rod, so that after the hydraulic machine is started, the hydraulic rod moves upwards, and firstly, the bottom block, the inner column and the top beam are sequentially moved upwards and stretched from the bottommost part, so that the bottom block, the inner column and the top beam are pushed upwards.

Preferably, the cross rod is arranged on the outer surface of the upper movable part of the bottommost part of the hydraulic rod, and the cylinder is positioned right above the same-side mounting plate.

Preferably, the inner cavities at the front side and the rear side of the bottom rod are provided with sliding grooves, and the mounting plate is movably mounted in the inner cavities of the sliding grooves.

The working principle and the beneficial effects of the utility model are as follows:

1. This novel lightweight hoist uses through the cooperation of spring construction and inside casing structure, and during operation, hydraulic press start control hydraulic stem moves up, promotes bottom block and inner column drive back timber and moves up, utilizes the width that inside casing top arc limit is less than the bottom inclined plane for unable automatic down move after the bottom block moves up, and the mounting panel does not have external force simultaneously, drives the universal wheel shrink under self gravity effect, can also the whole device remove when reaching being applicable to not high article and lifting to and improve the effect of whole device security in the use.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of the front appearance of the overall structure of the present utility model;

FIG. 2 is a schematic side elevational view of the overall structure of the present utility model;

FIG. 3 is a schematic view of the overall structure of the present utility model in a left front view;

Fig. 4 is a schematic diagram of the structure of fig. 3 at a.

In the figure: 1. a bottom bar; 2. a hydraulic press; 3. a hydraulic rod; 4. an outer column; 5. an outer frame; 6. a spring; 7. an inner frame; 8. a limiting block; 9. a limit groove; 10. a connecting plate; 11. a connecting rod; 12. a gear; 13. an inner column; 14. a bottom block; 15. a top beam; 16. a cross bar; 17. a cylinder; 18. a mounting plate; 19. and a universal wheel.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, a novel lightweight crane comprises a bottom rod 1, a hydraulic press 2 is fixedly arranged at the top of the bottom rod 1, a hydraulic rod 3 is fixedly arranged at the top of the hydraulic press 2, an outer column 4 is fixedly arranged at the top of the bottom rod 1, a plurality of outer frames 5 are movably arranged at the front side and the rear side of the outer column 4, springs 6 are fixedly arranged in inner cavities of the outer frames 5, an inner frame 7 is fixedly arranged at the other ends of the springs 6, the bottom of the inner frame 7 is in an inclined plane design, one side of the top of the inner frame 7 facing the middle of the outer column 4 is in an arc design, the arc design width of the top of the inner frame 7 is smaller than the inclined plane design of the bottom of the inner frame 7, so that when the bottom block 14 moves upwards, due to the inclined plane design of the bottom of the inner frame 7, the bottom block 14 can be rapidly extruded and pass through the inner frame 7, limiting blocks 8 are fixedly arranged at the left side and the right side of the outer frame 5, a plurality of limit grooves 9 are formed on the front side and the rear side of the inner wall of the outer column 4, the outer frame 5 is movably arranged on the front side and the rear side of the outer column 4 through limit blocks 8 and limit grooves 9, the movable distance of the limit blocks 8 in the inner cavity of the limit grooves 9 is matched with the length of the top of the inner frame 7, so that after the outer frame 5 and the connecting structure thereof move outwards by pulling the connecting plate 10, the arc surface of the top of the inner frame 7 is just under the bottom block 14, the connecting plate 10 is fixedly arranged on one side of the outer frame 5 far from the outer column 4, the connecting rod 11 is fixedly arranged in the middle of the connecting plate 10, the gears 12 are rotatably arranged on the middle of the left side and the right side of the outer column 4 far from each other, each two limit grooves 9 are respectively arranged on the left side and the right side of the outer frame 5 at the surface position of the outer column 4, the outer frame 5 is uniformly distributed on the front side and the rear side of the outer column 4, the connecting rods 11 on the front side and the rear side of the outer column 4 are respectively arranged on the upper side and the lower side of the gears 12, the shape of one side of each connecting rod 11 facing the gear 12 is matched with the shape of the outer surface of the gear 12, so that the gear 12 rotates to drive the upper connecting rods 11 and the lower connecting rods 11 to synchronously move forwards and backwards, the outer frames 5 on the front side and the rear side are driven to synchronously move towards the inner cavity of the outer column 4 or move outwards from the inner cavity of the outer column 4, the inner column 13 is movably arranged in the middle of the inner cavity of the outer column 4, the bottom block 14 is fixedly arranged at the bottom of the inner column 13, the hydraulic machine 2 and the hydraulic rod 3 are positioned in the middle of the outer column 4, the bottom block 14 is positioned right above the hydraulic rod 3, after the hydraulic machine 2 is started, the hydraulic rod 3 moves upwards, the bottom block 14, the inner column 13 and the top beam 15 are sequentially moved upwards from the bottommost part, the top of the inner column 13 is fixedly provided with the top beam 15, the front side and the rear side of the hydraulic rod 3 are fixedly provided with the cross rods 16, the cross rods 16 are arranged on the outer surface of the upmost part of the hydraulic rod 3, the cross rods 17 are positioned right above mounting plates 18 on the side of the side, the bottom of the cross rods 16 are fixedly arranged at the bottom of the side of the outer column 4, the inner cavities on the front side and the bottom of the bottom rod 1 are movably mounted with the movable mounting plates 18, the bottom wheels 18 are rotatably mounted on the bottom mounting plates 18, the bottom of the universal sliding grooves 18 are rotatably mounted on the bottom mounting plates 18, and the inner cavities 19 are rotatably mounted on the bottom mounting plates 18.

Working principle: during operation, the integral device is moved to a proper use position through the universal wheels 19, then the hydraulic press 2 is started, the hydraulic rod 3 moves upwards and stretches, at the moment, the cross rod 16 and the cylinder 17 move upwards, the cylinder 17 does not press the mounting plate 18 any more, the mounting plate 18 and the universal wheels 19 shrink into the inner cavity of the bottom rod 1 under the action of gravity of the integral device, the bottom of the bottom rod 1 is directly contacted with the ground, so that the stability of the integral device during use is improved, the bottom block 14 and the inner column 13 are pushed to move upwards in the upward movement process of the hydraulic rod 3, the inclined plane design of the bottom of the inner frame 7 is utilized, the bottom block 14 can be quickly extruded and pass through the inner frame 7 when moving upwards, then the top beam 15 is driven to move upwards, after the top beam 15 moves upwards to a proper height, the hydraulic press 2 is stopped, the hydraulic rod 3 stops extending, and at the moment, the article is lifted by the lifting mechanism arranged on the surface of the top beam 15;

If the integral device needs to be moved in the process, the hydraulic press 2 is closed at the moment to enable the hydraulic rod 3 to completely shrink and reset, the cross rod 16 and the cylinder 17 move downwards at the moment, the cylinder 17 moves downwards to push the mounting plate 18 out of the bottom rod 1 downwards, so that the universal wheels 19 are in contact with the ground, if the height of the top beam 15 needs to be reduced, the left and right workers respectively manually rotate the gears 12 at the moment, so that the connecting rods 11 and the connecting plates 10 are far away from each other, the outer frame 5 of the inner cavity of the outer column 4 is driven to be far away from each other, the arc edge far away from the top of the rear inner frame 7 is located under the bottom block 14, and the spring 6 and the inner frame 7 are utilized to prevent the bottom block 14 and the inner column 13 from falling from the top of the outer column 4 at a rapid speed.

In summary, compared with the common similar devices, the novel lightweight crane has the advantages that the novel lightweight crane is suitable for lifting articles with different heights, and meanwhile, the novel lightweight crane can be moved integrally, and the safety of the integral device in the use process is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a novel lightweight hoist, a serial communication port, including sill bar (1), the top fixed mounting of sill bar (1) has hydraulic press (2), the top fixed mounting of hydraulic press (2) has hydraulic stem (3), the top fixed mounting of sill bar (1) has outer post (4), the equal movable mounting in front and back both sides of outer post (4) has a plurality of frame (5), the inner chamber fixed mounting of frame (5) has spring (6), the other end fixed mounting of spring (6) has inside casing (7), the equal fixed mounting in left and right sides of frame (5) has stopper (8), a plurality of spacing groove (9) have all been seted up to the front and back both sides of outer post (4) inner wall, one side fixed mounting that outer post (4) were kept away from to frame (5) has connecting plate (10), the middle part fixed mounting of connecting plate (10) has connecting rod (11), the middle part rotation of one side is kept away from each other to outer post (4) has gear (12), the middle part movable mounting back timber inner column (13) of outer post (4) inner chamber, the fixed mounting in bottom of inner column (13) has bottom piece (14), the fixed mounting in top (15) of inner column (13).

2. The novel lightweight crane according to claim 1, wherein the front side and the rear side of the hydraulic rod (3) are fixedly provided with cross rods (16), the bottoms of the sides of the cross rods (16) far away from the outer columns (4) are fixedly provided with cylinders (17), inner cavities of the front side and the rear side of the bottoms of the bottom rods (1) are movably provided with mounting plates (18), and universal wheels (19) are rotatably mounted at the bottoms of the mounting plates (18).

3. The novel light crane according to claim 1, wherein the outer frame (5) is movably mounted on the front side and the rear side of the outer column (4) through a limiting block (8) and a limiting groove (9), and the movable distance of the limiting block (8) in the inner cavity of the limiting groove (9) is matched with the length of the top of the inner frame (7).

4. The novel lightweight crane according to claim 1, wherein the outer frames (5) are uniformly distributed on the front side and the rear side of the outer column (4), connecting rods (11) on the front side and the rear side of the outer column (4) are respectively arranged on the upper side and the lower side of the gear (12), and the shape of one side of each connecting rod (11) facing the gear (12) is matched with the shape of the outer surface of the gear (12).

5. The novel lightweight crane according to claim 1, wherein the bottom of the inner frame (7) is designed as an inclined plane, one side of the top of the inner frame (7) facing the middle of the outer column (4) is designed as an arc, and the arc design width of the top of the inner frame (7) is smaller than the width of the inclined plane design of the bottom of the inner frame (7).

6. The novel lightweight crane as claimed in claim 1, wherein the hydraulic machine (2) and the hydraulic rod (3) are positioned right in the middle of the outer column (4), and the bottom block (14) is positioned right above the hydraulic rod (3).

7. A new lightweight crane according to claim 2, characterized in that the cross bar (16) is arranged on the outer surface of the bottom-most part of the hydraulic rod (3), the cylinder (17) being located directly above the same side mounting plate (18).

8. The novel lightweight crane as claimed in claim 2, wherein the inner cavities of the front side and the rear side of the bottom rod (1) are provided with sliding grooves, and the mounting plate (18) is movably mounted in the inner cavities of the sliding grooves.