Height-adjustable mine support foreground frame

Abstract

The utility model discloses a height-adjustable mine support foreground frame, which relates to the technical field of mines and comprises a base, four triangular supports are mounted on the top surface of the base through bolts, and a U-shaped top frame is fixedly mounted above the outer walls of the four triangular supports through bolts. A lifting basket is placed on the top face of the base and connected with the inner walls of the four triangular supports in an up-down sliding mode. According to the height-adjustable mine support foreground frame, equipment used by mine workers or mines can be transported to a proper height, so that operation of the mine workers at different heights is facilitated, under the same height, due to the arrangement of the triangular support, interference of structures such as belts is avoided, normal operation of the mine workers cannot be interfered, and the mine support foreground frame is convenient to use. And meanwhile, all the components can be detached, so that the detached mine support foreground frame is smaller in size, very convenient to carry and transfer and convenient to reuse.

Description

Technical Field

[0001] The utility model relates to the technical field of mines, in particular to a mine support front frame with adjustable height. Background Art

[0002] When mining, mining is often carried out at low altitudes. At this time, it is necessary to use the corresponding mine support front frame to assist the mine workers in their operations.

[0003] According to Chinese Patent No. 202320475834.2, a height-adjustable front frame of a mine support is disclosed. The patent realizes the lifting and lowering of the transport basket by setting structures such as a drive mechanism, a fixed plate and a reel, so as to achieve the height adjustment of personnel or equipment. However, the height adjustment structure of the patent still has the following defects: the belt in the drive mechanism of the patent is located directly above the transport basket. When the transport basket moves to the corresponding height, the belt at this time will interfere with the operating personnel. At the same time, the setting of the belt will also limit the distance that the transport basket moves upward. At the same height, the height adjustment range is greatly reduced. Utility Model Content

[0004] The utility model provides a height-adjustable front frame of a mine support, which has the advantage of wide height adjustment and solves the problems raised in the background technology.

[0005] In order to realize the limitation of the height movement range of the front frame of the existing height-adjustable mine support by belts and other components, the utility model provides the following technical solutions: a front frame of a height-adjustable mine support, comprising a base, the top surface of the base is bolted with four triangular brackets, and the outer walls of the four triangular brackets are fixedly installed with U-shaped top frames bolted thereon, a lifting basket is placed on the top surface of the base, and the lifting basket is slidably connected to the inner walls of the four triangular brackets up and down, a first long opening is opened on the top surface of the U-shaped top frame, and a second long opening is opened on the top surface of the U-shaped top frame, and winding wheels are installed in the two second long openings, a traction rope is wound around the winding wheels, and the bottom end of the traction rope is fixedly connected with a mounting plate, and the bottom end of the mounting plate is bolted with a fixing plate, and the fixing plate is welded to the bottom side wall of the lifting basket, and a double-axis motor is installed in the first long opening, and the two ends of the double-axis motor are respectively connected to the two winding wheels for transmission.

[0006] As a preferred technical solution of the utility model, guide wheels are installed in both of the second long openings, and the traction rope is wound around the guide wheels.

[0007] As a preferred technical solution of the utility model, four positioning openings are provided on the bottom surface of the base, and four positioning blocks matching the positioning openings are welded to the bottom surface of the lifting basket.

[0008] As a preferred technical solution of the utility model, protective doors are hinged on the front and rear sides of the lifting basket.

[0009] As a preferred technical solution of the utility model, a pair of slots are provided on both sides of the base, a fixed plug rod is fixedly mounted on each slot, and a pair of reinforcement plates are welded on the front and rear sides of the base.

[0010] As a preferred technical solution of the utility model, a plurality of circular grooves are provided on the bottom surface of the base, and the aperture of each circular groove is the same.

[0011] Compared with the prior art, the utility model provides a height-adjustable front frame of a mine support, which has the following beneficial effects:

[0012] 1. The front frame of the height-adjustable mine support has a good height adjustment function, which is convenient for transporting miners or equipment used in mines to a suitable height, thereby facilitating the operation of miners at different heights. At the same height, the setting of the triangular support eliminates interference from structures such as belts, and will not interfere with the normal operation of miners. The range of movement is wider, and the use effect is greatly improved.

[0013] 2. The height-adjustable front frame of the mine support has a stable structure and all parts can be removed, so that the front frame of the mine support after removal is smaller in size, very convenient to carry and transfer, and easy to reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the forward structure of the utility model;

[0015] Figure 2 For this utility model Figure 1 A magnified view of middle;

[0016] Figure 3 It is a schematic diagram of the upward structure of the utility model;

[0017] Figure 4 It is a top view of the utility model.

[0018] In the figure:

[0019] 1. Base; 2. Triangle bracket; 3. U-shaped top frame; 4. Lifting basket; 5. First long opening; 6. Second long opening; 7. Winding wheel; 8. Traction rope; 9. Mounting plate; 10. Fixed plate; 11. Dual-axis motor; 12. Guide wheel; 13. Positioning opening; 14. Positioning block; 15. Protective door; 16. Card slot; 17. Fixed plug rod; 18. Reinforcement plate; 19. Round groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 The utility model discloses a front frame of a mine support with adjustable height, comprising a base 1, four triangular brackets 2 are bolted on the top surface of the base 1, and the cross section is an L-shaped structure. A U-shaped top frame 3 is bolted and fixedly installed on the outer walls of the four triangular brackets 2. A lifting basket 4 is placed on the top surface of the base 1, which can transport mine personnel and some related equipment. The lifting basket 4 is slidably connected to the inner walls of the four triangular brackets 2 up and down. A first long opening 5 is opened on the top surface of the U-shaped top frame 3, and a second long opening 6 is opened on the top surface of the U-shaped top frame 3. Winding wheels 7 are installed in the two second long openings 6, and a traction rope 8 is wound around the winding wheel 7. The bottom end of the traction rope 8 is fixedly connected with a mounting plate 9, and a fixing plate 10 is bolted on the bottom end of the mounting plate 9. The fixing plate 10 is welded to the bottom of the side wall of the lifting basket 4, which can increase the upward movement range of the lifting basket 4. A double-axis motor 11 is installed in the first long opening 5, and the two ends of the double-axis motor 11 are respectively connected to the two winding wheels 7 for transmission.

[0022] Specifically, guide wheels 12 are installed in the two second long openings 6 , and the traction rope 8 is wound around the guide wheels 12 .

[0023] In this embodiment, the traction rope 8 is positioned and guided so that the traction rope 8 is vertically downward, thereby improving the smoothness of the traction rope 8 when moving.

[0024] Specifically, four positioning openings 13 are formed on the bottom surface of the base 1 , four positioning blocks 14 matching the positioning openings 13 are welded on the bottom surface of the lifting basket 4 , and protective doors 15 are hinged on both the front and rear sides of the lifting basket 4 .

[0025] In this embodiment, during the assembly process of the front frame of the mine support, the setting of the positioning block 14 and the positioning port 13 can play a role in centering the lifting basket 4, which is convenient for the subsequent installation of the triangular support 2, and the protective door 15 plays a role in opening and closing, which is convenient for the entry and exit of mining personnel or equipment.

[0026] Specifically, a pair of slots 16 are provided on both sides of the base 1 , and a fixed rod 17 is fixedly mounted on each slot 16 . A pair of reinforcing plates 18 are welded on both the front and rear sides of the base 1 .

[0027] In this embodiment, the firmness between the base 1 and the ground can be guaranteed.

[0028] Specifically, a plurality of circular grooves 19 are formed on the bottom surface of the base 1 , and the aperture of each circular groove 19 is the same.

[0029] In this embodiment, the contact area between the bottom surface of the base 1 and the ground can be reduced, and the interference of the protruding end of the ground part on the horizontal installation of the base 1 can be reduced.

[0030] The working principle and use process of this utility model:

[0031] Before the first use, the front frame of the disassembled mine support needs to be assembled, the fixed plug rod 17 is clamped on the card slot 16 and fixed by bolts, and the fixed plug rod 17 is inserted into the ground, and then the reinforcement plate 18 is fixed to the ground, and the lifting basket 4 with the positioning block 14 is placed on the top of the base 1. At this time, the positioning block 14 is positioned and clamped on the positioning port 13, and then the four triangular brackets 2 are fixed on the U-shaped top frame 3, and the U-shaped top frame 3 is made to fit on the outer wall of the triangular bracket 2, and the triangular bracket 2 is erected and bolted to the base 1. At this time, the four pointed ends of the lifting basket 4 are fitted on the inner walls of the four triangular brackets 2, and finally the mounting plate 9 with the traction rope 8 is bolted to the fixing plate 10;

[0032] During normal use, miners or equipment can enter the lifting basket 4 and remotely start the dual-axis motor 11 to rotate forward. At this time, the two winding wheels 7 rotate at the same time and collect the traction rope 8. Under the pull of the traction rope 8, the lifting basket 4 moves up to a suitable position without being interfered by other components. The miners can work normally and smoothly, and the height adjustment range is wide.

[0033] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A height-adjustable front frame for mining support, characterized in that: The invention comprises a base (1), the top surface of the base (1) is bolted with four triangular brackets (2), the outer walls of the four triangular brackets (2) are fixedly bolted with a U-shaped top frame (3), the top surface of the base (1) is provided with a lifting basket (4), the lifting basket (4) is slidably connected with the inner walls of the four triangular brackets (2) up and down, the top surface of the U-shaped top frame (3) is provided with a first long opening (5), the top surface of the U-shaped top frame (3) is provided with a second long opening (6), and the two A winding wheel (7) is installed in the second long opening (6), a traction rope (8) is wound around the winding wheel (7), the bottom end of the traction rope (8) is fixedly connected to a mounting plate (9), the bottom end of the mounting plate (9) is bolted with a fixing plate (10), and the fixing plate (10) is welded to the bottom of the side wall of the lifting basket (4), and a double-axis motor (11) is installed in the first long opening (5), and the two ends of the double-axis motor (11) are respectively connected to the two winding wheels (7) in a transmission manner.

2. A height-adjustable mine support front frame according to claim 1, characterized in that: Guide wheels (12) are installed in the two second long openings (6), and the traction rope (8) is wound around the guide wheels (12).

3. The height-adjustable front frame of a mine support according to claim 1, characterized in that: The bottom surface of the base (1) is provided with four positioning openings (13), and the bottom surface of the lifting basket (4) is welded with four positioning blocks (14) matching the positioning openings (13).

4. The height-adjustable front frame of a mine support according to claim 1, characterized in that: The front and rear sides of the lifting basket (4) are both hinged with protective doors (15).

5. The height-adjustable front frame of a mine support according to claim 1, characterized in that: A pair of slots (16) are provided on both sides of the base (1), a fixed plug rod (17) is fixedly mounted on each of the slots (16), and a pair of reinforcing plates (18) are welded to the front and rear sides of the base (1).

6. The height-adjustable front frame of a mine support according to claim 1, characterized in that: The bottom surface of the base (1) is provided with a plurality of circular grooves (19), and the aperture of each circular groove (19) is the same.

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