Movable hydraulic control lifting beam lifting device

Abstract

The utility model discloses a movable hydraulic control lifting beam lifting device which comprises a base, a fixed frame, a lifting frame and a hydraulic jack, 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 on the outer side or the inner side of the fixed frame, and the lifting frame can slide up and down along the fixed frame. A top frame is arranged at the top of the lifting frame, a fixing clamping groove is formed in the top of the top frame, a hydraulic jack and a pulley block are arranged in the fixing frame, the pulley block is connected with the fixing frame through a transmission steel wire rope, and the hydraulic jack is connected with a hydraulic pump and an operation valve set. Compared with the prior art, the walking crawler belt is arranged below the base, so that the equipment can smoothly run on complex terrains under a mine, and the running stability is improved; and a self-locking device is arranged in the clamping groove, so that the straight beam cannot move and incline in the jacking process, and the production safety is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine equipment technical field especially relates to a mobile hydraulic control lifting lifting beam device. BACKGROUND

[0002] The 4m straight beam is installed in cooperation with the upper roof anchor cable in the roof supporting process of the coal mine underground anchor rod lane, and the straight beam plays a role of suspending the roof. Due to the high lane, the self weight of the straight beam reaches 100kg. One working method is to lift the straight beam upward by manpower by erecting a scaffold, and this method is both labor-consuming and unsafe. Another working method is to lift the straight beam to the specified position by using a jack and then installing, but the common jacking device has problems such as being unable to move or inconvenient to move or the jacking device moving wheel being easy to damage or the straight beam being unstable during the moving process. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a mobile hydraulic control lifting lifting beam device, the bottom is equipped with walking track, can be applied to the complex terrain environment of underground, the top clamping groove is equipped with self locking device, the straight beam will not move and tilt during the jacking process, and the production safety is ensured.

[0004] To achieve this technical purpose, the utility model adopts the following scheme:

[0005] A mobile hydraulic control lifting lifting beam device, including base, fixed frame, lifting frame and hydraulic jack, the bottom of base is equipped with walking track, the top of base is equipped with fixed frame, the outside or inside of fixed frame is equipped with lifting frame, and lifting frame can slide up and down along fixed frame, the top of lifting frame is equipped with top frame, the top of top frame is equipped with fixed clamping groove, the inside of fixed frame is equipped with hydraulic jack and pulley set, pulley set is connected with fixed frame through transmission steel wire rope, and hydraulic jack is connected with hydraulic pump and operation valve group.

[0006] Compared with the prior art, the utility model has the advantages of:

[0007] The utility model sets up walking track below base, the contact area of track with ground is larger, can provide stronger traction, makes equipment also can travel smoothly on the complex terrain of mine, the width of track is larger, reduces the gravity center of equipment, improves the stability of travel, in addition, equipment can bear larger heavy load, and track structure is more firm than wheel, through being equipped with self locking device in clamping groove, the straight beam will not move and tilt during the jacking process, and the production safety is ensured.

[0008] Further, the fixed frame is provided with a fixed pulley and an upper fixed ring below the top, the lifting frame is provided with a lower fixed ring above the bottom, the hydraulic jack is fixedly connected with the top of the fixed frame, the lower part of the hydraulic jack is provided with a connecting rod, the connecting rod is provided with a movable pulley, one end of the transmission steel wire rope is fixed on the upper fixed ring, the other end is sequentially threaded through the movable pulley and the fixed pulley, and is fixedly connected with the lower fixed ring.

[0009] Further, the number of the fixed pulley, the movable pulley, the upper fixed ring and the lower fixed ring is two, and the movable pulley is arranged at the two ends of the connecting rod.

[0010] Further, the fixed clamping groove is provided with a self-locking device, the self-locking device comprises two oppositely arranged locking hooks, the bottom of the locking hook is rotatably connected with the end of the fixed clamping groove, the upper outer side of the locking hook is provided with a spring, and the spring is connected with the top frame.

[0011] Further, the hydraulic jack is provided with a hydraulic bidirectional lock between the hydraulic jack and the operation valve group, and the hydraulic bidirectional lock is installed on the fixed frame.

[0012] Further, the operation valve group is arranged on the fixed frame or the lifting frame, and is specifically selected according to actual conditions. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structure schematic view of the mobile hydraulic control lifting beam lifter of the embodiment of the utility model;

[0014] Fig. 2 It is a structure schematic view of the fixed frame and the lifting frame of the embodiment of the utility model;

[0015] Fig. 3 It is a structure schematic view of the self-locking device of the embodiment of the utility model;

[0016] Marked as: 1, base; 2, walking track; 3, fixed frame; 4, lifting frame; 5, top frame; 6, fixed pulley; 7, movable pulley; 8, hydraulic jack; 9, transmission steel wire rope; 10, operation valve group; 11, hydraulic bidirectional lock; 12, fixed clamping groove; 13, connecting rod; 14, upper fixed ring; 15, lower fixed ring; 16, locking hook; 17, spring. DETAILED DESCRIPTION

[0017] In order to fully understand the purpose, features and effects of the utility model, the utility model is described in detail by the following specific embodiments, but the utility model is not limited to this.

[0018] It is to be noted that when an element is referred to as being "fixed" or "set" on another element, it can be directly on the other element or indirectly on the other element, with one or more intervening elements. When an element is referred to as being "connected" or "disposed" on another element, it can be directly connected to or disposed on the other element or indirectly connected to or disposed on the other element, with one or more intervening elements.

[0019] 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, specify relative positions or orientations of an apparatus or element as shown in the drawings, and are used only for the purpose of ease of description and simplification of description, and do not indicate or imply that the indicated apparatus or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.

[0020] In addition, the terms "first", "second", "third", etc. are used herein only to describe various conditions, and should not be construed as indicating or implying relative importance or a specific number of the technical features indicated thereby. Thus, the features defined with "first", "second", "third" can include one or more of the features explicitly or implicitly. In the description of the present application, the meaning of "a plurality of" or "several" is two or more, unless otherwise specifically limited.

[0021] Referring to Figs. 1 to 3The utility model provides a kind of mobile hydraulic control lifting beam lifter, including base 1, fixed frame 3, lifting frame 4, top frame 5 and hydraulic jack 8.The bottom of base 1 is provided with walking track 2, by setting walking track 2 below base 1, the contact area of track with ground is larger, can provide stronger traction, so that equipment can also smoothly travel on the complex terrain under mine;The width of track is larger, reduces the gravity center of equipment, improves the stability of travel;In addition, equipment can bear greater overload, and track structure is more firm than wheel.Fixed frame 3 is arranged at the top of base 1, and lifting frame 4 is arranged on the outside or inside of fixed frame 3, and it is specifically selected according to actual situation, and lifting frame 4 can slide up and down along fixed frame 3, and top frame 5 is arranged at the top of lifting frame 4, and fixed clamping groove 12 is arranged above top frame 5, and self-locking device is arranged at fixed clamping groove 12.Self-locking device can be any structure with self-locking function, in the embodiment, self-locking device includes two oppositely arranged locking hooks 16, the bottom of locking hook 16 is rotatably connected with the end of fixed clamping groove 12, spring 17 is arranged on the upper outer side of locking hook 16, and spring 17 is fixedly connected with top frame 5.When using, after straight beam is placed in fixed clamping groove 12, two locking hooks 16 of locking device are pressed to closed state by straight beam deadweight, realize self-locking function, after straight beam is installed, during the process of beam lifter descending, locking hook 16 is reduced by pressure, and self-locking device is automatically opened by spring 17.

[0022] Two fixed pulleys 6 and two upper fixed rings 14 are arranged below the top of fixed frame 3, and two lower fixed rings 15 are arranged above the bottom of lifting frame 4, hydraulic jack 8 is fixedly connected with the top of fixed frame 3, and connecting rod 13 is arranged on the lower part of hydraulic jack 8, and dynamic pulley 7 is arranged on the both ends of connecting rod 13, one end of transmission steel wire rope 9 is fixed on upper fixed ring 14, and the other end is sequentially threaded through dynamic pulley 7 and fixed pulley 6, and is fixedly connected with lower fixed ring 15.Hydraulic pump and operating valve group 10 are connected with hydraulic jack 8, and operating valve group 10 is arranged on fixed frame 3 or lifting frame 4, and it is specifically selected according to actual situation.Hydraulic two-way lock 11 is further arranged between hydraulic jack 8 and operating valve group 10, can realize that hydraulic jack 8 is fixed on certain height, and hydraulic two-way lock 11 is installed on fixed frame 3.

[0023] The working process of the mobile hydraulic control lifting beam lifter is as follows: the 4-meter straight beam is placed on the fixed clamping groove 12 of the lifter, and manpower or machinery can be used, since the fixed clamping groove 12 is provided with a self-locking function, the straight beam will not be inclined and fall in the fixed clamping groove 12. Then power is provided by using a hydraulic pump, the valve group 10 is controlled to control the hydraulic jack 8, the hydraulic jack 8 is extended, the movable pulley 7 and the fixed pulley 6 are guided, 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 roof position, then the anchor cable is sequentially pulled tight by using the anchor cable pulling device, and the roof 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, the walking track 2 is used to move to the next working position, and the above operation is repeated. The device is simple in operation, high in safety coefficient, saves time, increases efficiency and ensures the safety production on site.

[0024] It should be noted that before the lifter is used, it is necessary to check whether all parts are complete, whether the pulley group, the transmission steel wire rope and the like are fixed reliably, and whether the hydraulic jack is intact and effective. During the lifting process, the staff is strictly prohibited from placing hands in the clamping groove, so as to avoid work accidents.

[0025] Finally, it should be noted that: the above-mentioned is only the preferred embodiment of the utility model, of course, the person skilled in the art can modify and change the utility model, if these modifications and changes belong to the scope of the utility model claim and its equivalent technology, they should be considered as the protection scope of the utility model.

Claims

1. A mobile hydraulic control lifting jib device, comprising a base (1), a fixed frame (3), a lifting frame (4) and a hydraulic jack (8), characterized in that, The bottom of the base (1) is provided with a walking track (2), and the top of the base (1) is provided with a fixed frame (3). The outer side or inner side of the fixed frame (3) is provided with a lifting frame (4), and the lifting frame (4) can slide up and down along the fixed frame (3). The top of the lifting frame (4) is provided with a top frame (5), and the top of the top frame (5) is provided with a fixed clamping groove (12). The inside of the fixed frame (3) is provided with a hydraulic jack (8) and a pulley block. The pulley block is connected with the fixed frame (3) through a transmission steel wire rope (9), and the hydraulic jack (8) is connected with a hydraulic pump and an operation valve group (10).

2. The mobile hydraulic control lift jacking device of claim 1, wherein, The top of the fixed frame (3) is provided with a fixed pulley (6) and an upper fixed ring (14), and the bottom of the lifting frame (4) is provided with a lower fixed ring (15). The upper part of the hydraulic jack (8) is fixedly connected with the top of the fixed frame (3), and the lower part of the hydraulic jack (8) is provided with a connecting rod (13). The connecting rod (13) is provided with a movable pulley (7). One end of the transmission steel wire rope (9) is fixed on the upper fixed ring (14), and the other end passes through the movable pulley (7) and the fixed pulley (6) in sequence and is fixedly connected with the lower fixed ring (15).

3. The mobile hydraulic control lift jacking device of claim 2, wherein, The number of the fixed pulley (6), the movable pulley (7), the upper fixed ring (14) and the lower fixed ring (15) is two, and the movable pulley (7) is arranged at both ends of the connecting rod (13).

4. The mobile hydraulic control lift jacking device of claim 1, wherein, The fixed clamping groove (12) is provided with a self-locking device. The self-locking device comprises two oppositely arranged locking hooks (16). The bottom of the locking hook (16) is rotatably connected with the end of the fixed clamping groove (12), and the upper part of the locking hook (16) is provided with a spring (17) on the outer side. The spring (17) is connected with the top frame (5).

5. The mobile hydraulic control lift jacking device of claim 1, wherein, The hydraulic jack (8) and the operation valve group (10) are provided with a hydraulic bidirectional lock (11), and the hydraulic bidirectional lock (11) is installed on the fixed frame (3).

6. The mobile hydraulic control lift jacking device of claim 1, wherein, The operation valve group (10) is arranged on the fixed frame (3) or the lifting frame (4).

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