CN223852202U - Mobile hydraulic control lifting beam device - Google Patents

Abstract

The utility model discloses a movable hydraulic control lifting beam lifter which comprises a base, a fixed frame, a lifting frame and a hydraulic jack, wherein a walking crawler belt is arranged at the bottom of the base, the fixed frame is arranged at the top of the base, the lifting frame is arranged at the outer side or the inner side of the fixed frame and can slide up and down along the fixed frame, the top of the lifting frame is provided with a top frame, a fixed clamping groove is formed above the top frame, the hydraulic jack and a pulley block are arranged in the fixed frame, the pulley block is connected with the fixed frame through a transmission steel wire rope, and the hydraulic jack is connected with a hydraulic pump and an operating valve group. Compared with the prior art, the self-locking device is arranged in the clamping groove, so that the straight beam cannot move and incline in the jacking process, and the safety of generation is ensured.

Description

Movable hydraulic control lifting beam lifter

Technical Field

The utility model relates to the technical field of coal mine equipment, in particular to a movable hydraulic control lifting beam lifter.

Background

The underground coal mine anchor rod lane needs to be matched with the 4-meter straight beam and the overhead anchor cable in the roof supporting process, so that the effect of suspending the roof is achieved. Due to the high roadway, the dead weight of the straight beam reaches 100 kg. One working method is to lift the straight beam upwards by the manual force of the scaffold, which is labor-consuming and unsafe. The other working method is to lift the straight beam to the designated position by using a jack and other lifting devices, but the common lifting devices cannot move or are inconvenient to move or the lifting devices move wheels to be damaged or the straight beam is unstable in the moving process.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the movable hydraulic control lifting beam lifter, the walking caterpillar band is arranged at the bottom of the movable hydraulic control lifting beam lifter, the movable hydraulic control lifting beam lifter can be suitable for underground complex terrain environments, the self-locking device is arranged on the top clamping groove, the straight beam cannot move and incline in the jacking process, and the production safety is ensured.

In order to achieve the technical purpose, the utility model adopts the following scheme:

the utility model provides a remove hydraulic control lift beam lifting device, the on-line screen storage device comprises a base, fixed frame, lifting frame and hydraulic jack, the bottom of base is provided with the walking track, the top of base is provided with fixed frame, fixed frame's outside or inboard are provided with lifting frame, and lifting frame can follow fixed frame and slide from top to bottom, lifting frame's top is provided with top frame, top frame's top is provided with fixed draw-in groove, fixed frame is inside to be provided with hydraulic jack and assembly pulley, the assembly pulley passes through drive wire rope and is connected with fixed frame, hydraulic jack is connected with hydraulic pump and operating valve group.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has the advantages that the contact area of the crawler belt and the ground is larger by arranging the walking crawler belt below the base, stronger traction force can be provided, the equipment can smoothly run on complex terrains under a mine, the width of the crawler belt is larger, the gravity center of the equipment is lowered, the running stability is improved, the equipment can bear larger heavy load, the crawler belt structure is firmer than wheels, and the straight beam cannot move and incline in the jacking process by arranging the self-locking device in the clamping groove, so that the safety of generation is ensured.

Further, fixed pulley and upper portion solid fixed ring are provided with below the top of fixed frame, and lifting frame's bottom top is provided with lower part solid fixed ring, and hydraulic jack top and fixed frame top fixed connection, hydraulic jack lower part are provided with the connecting rod, are provided with the movable pulley on the connecting rod, and transmission wire rope's one end is fixed on upper portion solid fixed ring, and the other end passes movable pulley and fixed pulley in proper order, with lower part solid fixed ring fixed connection.

Further, the fixed pulley, the movable pulley, the upper fixed ring and the lower fixed ring are two in number, and the movable pulley is arranged at two ends of the connecting rod.

Further, a self-locking device is arranged at the fixing clamping groove and comprises two locking hooks which are oppositely arranged, the bottoms of the locking hooks are rotationally connected with the end parts of the fixing clamping groove, springs are arranged on the outer sides of the upper parts of the locking hooks, and the springs are connected with the top frame.

Further, a hydraulic bidirectional lock is arranged between the hydraulic jack and the operating valve group and is arranged on the fixed frame.

Further, the operation valve group is arranged on the fixed frame or the lifting frame, and is specifically selected according to actual conditions.

Drawings

FIG. 1 is a schematic diagram of a mobile hydraulic control lifting beam lifter according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a fixing frame and a lifting frame according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a self-locking device according to an embodiment of the present utility model;

The mark is 1, the base; 2, a walking track, 3, a fixed frame, 4, a lifting frame, 5, a top frame, 6, a fixed pulley, 7, a movable pulley, 8, a hydraulic jack, 9, a transmission steel wire rope, 10, an operating valve group, 11, a hydraulic bidirectional lock, 12, a fixed clamping groove, 13, a connecting rod, 14, an upper fixed ring, 15, a lower fixed ring, 16, a locking hook, 17 and a spring.

Detailed Description

The present utility model will be described in detail with reference to the following embodiments for a full understanding of the objects, features and effects of the present utility model, but the present utility model is not limited thereto.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" or "disposed on" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" or "a number" means two or more, unless specifically defined otherwise.

Referring to fig. 1 to 3, the present utility model provides a mobile hydraulic control lifting beam lifter, comprising a base 1, a fixed frame 3, a lifting frame 4, a top frame 5 and a hydraulic jack 8. The bottom of the base 1 is provided with the walking crawler 2, the contact area of the crawler and the ground is larger by arranging the walking crawler 2 below the base 1, so that stronger traction force can be provided, the equipment can smoothly run on complex terrains under a mine, the width of the crawler is larger, the gravity center of the equipment is lowered, the running stability is improved, in addition, the equipment can bear larger heavy load, and the crawler structure is firmer than wheels. The fixed frame 3 sets up at the top of base 1, and the outside or the inboard of fixed frame 3 are provided with lift frame 4, specifically select according to actual conditions, and lift frame 4 can follow fixed frame 3 and slide from top to bottom, and the top of lift frame 4 is provided with top frame 5, and the top of top frame 5 is provided with fixed draw-in groove 12, and fixed draw-in groove 12 department is provided with self-locking device. The self-locking device may be any structure with a self-locking function, in this embodiment, the self-locking device includes two opposite locking hooks 16, the bottom of each locking hook 16 is rotatably connected with the end of the fixing slot 12, a spring 17 is disposed on the outer side of the upper part of each locking hook 16, and the spring 17 is fixedly connected with the top frame 5. When the self-locking device is used, after the straight beam is placed in the fixing clamping groove 12, the two locking hooks 16 of the locking device are pressed to be in a closed state through the dead weight of the straight beam, the self-locking function is realized, after the straight beam is installed, the locking hooks 16 are subjected to pressure reduction in the descending process of the beam lifting device, and the self-locking device is automatically opened under the action of the spring 17.

Two fixed pulleys 6 and two upper fixed rings 14 are arranged below the top of the fixed frame 3, two lower fixed rings 15 are arranged above the bottom of the lifting frame 4, the upper part of the hydraulic jack 8 is fixedly connected with the top of the fixed frame 3, a connecting rod 13 is arranged below the hydraulic jack 8, movable pulleys 7 are arranged at two ends of the connecting rod 13, one end of a transmission steel wire rope 9 is fixed on the upper fixed rings 14, and the other end sequentially penetrates through the movable pulleys 7 and the fixed pulleys 6 and is fixedly connected with the lower fixed rings 15. The hydraulic jack 8 is connected with a hydraulic pump and an operating valve group 10, and the operating valve group 10 is arranged on the fixed frame 3 or the lifting frame 4, and is specifically selected according to actual conditions. A hydraulic bidirectional lock 11 is further arranged between the hydraulic jack 8 and the operating valve group 10, so that the hydraulic jack 8 can be fixed at a certain height, and the hydraulic bidirectional lock 11 is arranged on the fixed frame 3.

The working process of the movable hydraulic control lifting beam lifter comprises the steps of placing a 4-meter straight beam on a fixing clamping groove 12 of the beam lifter, and using manpower or machinery, wherein the straight beam cannot incline outwards in the fixing clamping groove 12 due to the self-locking function of the fixing clamping groove 12. Then, the hydraulic pump is used for providing power, the operating valve group 10 controls the hydraulic jack 8, the hydraulic jack 8 stretches out, the movable pulley 7 and the fixed pulley 6 guide, the straight beam is lifted to the corresponding position, the anchor cable is aligned with the straight beam eye, then the straight beam is lifted to the top plate position, and then the anchor cable is sequentially tensioned by the anchor cable drawing device, so that the top plate suspension effect is achieved. After the installation of one straight beam is completed, the hydraulic jack 8 is controlled to make the lifting frame 4 descend, and the lifting frame is moved to the next working position through the walking track 2, and the above operation is repeated. The device is simple to operate, has higher safety coefficient, saves time, increases efficiency and ensures safe production on site.

Before the beam lifting device is used, whether all parts are complete, whether a pulley block, a transmission steel wire rope and the like are fixed and reliable or not, whether a hydraulic jack is good and effective or not are checked, and in the lifting process, workers can strictly prevent hands from being placed in the clamping grooves, so that accidents are avoided.

Finally, it should be noted that the above list is only a preferred embodiment of the utility model, and that modifications and variants can be made by those skilled in the art, provided that these modifications and variants fall within the scope of the claims and their equivalents, and should be considered as the protection scope of the present utility model.

Claims (6)

1. The utility model provides a remove hydraulic control lift beam lifter, including base (1), fixed frame (3), lifting frame (4) and hydraulic jack (8), a serial communication port, the bottom of base (1) is provided with walking track (2), the top of base (1) is provided with fixed frame (3), the outside or the inboard of fixed frame (3) are provided with lifting frame (4), and lifting frame (4) can follow fixed frame (3) and slide from top to bottom, the top of lifting frame (4) is provided with top frame (5), the top of top frame (5) is provided with fixed draw-in groove (12), fixed frame (3) inside is provided with hydraulic jack (8) and assembly pulley, the assembly pulley is connected with fixed frame (3) through transmission wire rope (9), hydraulic jack (8) are connected with hydraulic pump and operating valve group (10).

2. The movable hydraulic control lifting beam lifter according to claim 1, wherein a fixed pulley (6) and an upper fixed ring (14) are arranged below the top of the fixed frame (3), a lower fixed ring (15) is arranged above the bottom of the lifting frame (4), the upper part of the hydraulic jack (8) is fixedly connected with the top of the fixed frame (3), a connecting rod (13) is arranged below the hydraulic jack (8), a movable pulley (7) is arranged on the connecting rod (13), one end of a transmission steel wire rope (9) is fixed on the upper fixed ring (14), and the other end sequentially passes through the movable pulley (7) and the fixed pulley (6) and is fixedly connected with the lower fixed ring (15).

3. The mobile hydraulically controlled lifting beam lifter according to claim 2, characterized in that the number of fixed pulleys (6), movable pulleys (7), upper fixed rings (14) and lower fixed rings (15) is two, and the movable pulleys (7) are arranged at both ends of the connecting rod (13).

4. The movable hydraulic control lifting beam lifter according to claim 1, characterized in that a self-locking device is arranged at the fixed clamping groove (12), the self-locking device comprises two opposite locking hooks (16), the bottoms of the locking hooks (16) are rotatably connected with the end parts of the fixed clamping groove (12), a spring (17) is arranged on the outer side of the upper part of the locking hooks (16), and the spring (17) is connected with the top frame (5).

5. The mobile hydraulically controlled lifting beam lifter according to claim 1, characterized in that a hydraulic bi-directional lock (11) is arranged between the hydraulic jack (8) and the operating valve group (10), the hydraulic bi-directional lock (11) being mounted on the fixed frame (3).

6. The mobile hydraulically controlled lifting beam lifter according to claim 1, characterized in that the operating valve group (10) is arranged on the fixed frame (3) or the lifting frame (4).