Roof for roadway

Abstract

The utility model relates to the technical field of roadway roofs and discloses a roadway roof which comprises a supporting plate, a plurality of first holes are formed in the top end of the supporting plate, first connecting assemblies are in threaded connection with the interiors of the first holes, second holes are formed in the top ends of the first connecting assemblies, and second connecting assemblies are in threaded connection with the interiors of the second holes. A lifting assembly is fixedly connected to the bottom end of the second connecting assembly, a limiting assembly is slidably connected to the surface of the lifting assembly, fixing blocks are fixedly connected to the two sides of the bottom end of the surface of the limiting assembly, first connecting bolts are in threaded connection with the interiors of the fixing blocks, and a bottom plate is in threaded connection with the bottom ends of the surfaces of the first connecting bolts. According to the roadway top plate, through the arrangement of the lifting assembly and the limiting assembly, when the roadway top plate is used, a handle is shaken to enable a rack to drive a supporting plate to ascend, when the supporting plate reaches a proper position, a gear is limited through a limiting block, and the effects of increasing the supporting area and enhancing the overall structural stability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel roof plates, in particular to a tunnel roof plate. Background Art

[0002] Coal mining in my country is mainly done underground, which requires the excavation of a large number of tunnels underground. Keeping the tunnels unobstructed and the surrounding rock stable is of great significance to coal mine construction and production.

[0003] The existing tunnel roof has the following disadvantages:

[0004] (1) The supported area is small during use, and the overall structural stability of the device is poor, resulting in weak supporting effect;

[0005] (2) The device is large in size and needs to be moved to a designated location before use, which makes it difficult to carry the device as a whole.

[0006] Therefore, the utility model provides a tunnel roof. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] In view of the deficiencies of the prior art, the utility model provides a tunnel roof, which solves the problems of small supporting area, weak supporting force and inconvenience in carrying proposed in the above-mentioned background technology.

[0009] (II) Technical solution

[0010] To achieve the above purpose, the utility model is implemented through the following technical solutions: a tunnel roof, including a support plate, a plurality of first holes are opened at the top of the support plate, the first holes are internally threadedly connected to a first connecting component, a second hole is opened at the top of the first connecting component, the second hole is internally threadedly connected to a second connecting component, the bottom end of the second connecting component is fixedly connected to a lifting component, the surface of the lifting component is slidably connected to a limiting component, both sides of the bottom end of the surface of the limiting component are fixedly connected to fixed blocks, the internal threads of the fixed blocks are connected to a first connecting bolt, and the bottom end of the surface of the first connecting bolt is threadedly connected to the bottom plate.

[0011] Optionally, the first connecting assembly includes a second connecting bolt and a perforated plate, the middle portion of the surface of the second connecting bolt is threadedly connected to the inside of the first hole, and the bottom end of the surface of the second connecting bolt is fixedly threadedly connected to the perforated plate.

[0012] Optionally, the second connecting assembly includes a third connecting bolt and a threaded block, the middle portion of the surface of the third connecting bolt is threadedly connected to a perforated plate, and the bottom end of the surface of the third connecting bolt is threadedly connected to a threaded block.

[0013] Optionally, the lifting assembly includes a rack, a gear, a connecting rod, a crank and a handle, the top of the rack is fixedly connected to the bottom end of the threaded block, one side of the rack is meshed with a gear, the back of the gear is fixedly connected to the connecting rod, one end of the connecting rod is fixedly connected to the crank, and the top of one side of the crank is fixedly connected to the handle.

[0014] Optionally, the limiting assembly includes a protection box and a limiting block, the interior of the protection box is slidably connected to the surface of the rack, and the middle of the surface of the protection box is slidably connected to the limiting block.

[0015] Optionally, a non-slip pad is fixedly connected to the bottom end of the base plate, and the material of the non-slip pad is rubber.

[0016] Optionally, the bottom plate is adapted to the size of the anti-slip pad, and a plurality of recessed holes are provided at the bottom of the anti-slip pad.

[0017] Optionally, the number of the second connecting bolts is four, and the number of the second connecting bolts is consistent with the number of holes on the perforated plate.

[0018] Optionally, the surface of the lifting assembly is slidably connected to a limit assembly via a gear, and the limit assembly is connected to a fixed block via a protective box.

[0019] (III) Beneficial effects

[0020] The utility model provides a tunnel roof, which has the following beneficial effects:

[0021] 1. The tunnel roof is provided with a lifting assembly and a limit assembly. When in use, the rack drives the support plate to rise by shaking the handle. When the gear reaches the appropriate position, the limit block limits the gear, thereby increasing the support area and enhancing the stability of the overall structure.

[0022] 2. The tunnel roof, through the arrangement of the first connecting assembly and the second connecting assembly, can be used by installing the device through the first connecting bolt, the second connecting bolt and the third connecting bolt, so that it is easy to install and carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the lifting assembly and the limiting assembly of the utility model;

[0026] Figure 4This is a schematic diagram of the structure of the second connecting component of the utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the blowing assembly of the utility model;

[0028] Figure 6 This is a schematic diagram of the cloth bag structure of the utility model.

[0029] In the figure: 1. support plate; 2. first connecting component; 201. second connecting bolt; 202. perforated plate; 3. second connecting component; 301. third connecting bolt; 302. threaded block; 4. lifting component; 401. rack; 402. gear; 403. connecting rod; 404. crank; 405. handle; 5. limit component; 501. protection box; 502. limit block; 6. fixing block; 7. first connecting bolt; 8. bottom plate; 9. anti-skid pad; 10. blowing component; 1001. motor box; 1002. servo motor; 1003. transmission rod; 1004. fan blade; 1005. frame; 1006. motor compartment; 1007. rotating rod; 1008. fan; 1009. cloth bag. DETAILED DESCRIPTION

[0030] 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. 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.

[0031] See also Figures 1 to 4 The utility model provides a technical solution: a tunnel roof, including a support plate 1, through the setting of the support plate 1, the effect of increasing the support area is achieved, a plurality of first holes are opened on the top of the support plate 1, the first hole is internally threadedly connected with a first connecting component 2, a second hole is opened on the top of the first connecting component 2, the second hole is internally threadedly connected with a second connecting component 3, the bottom end of the second connecting component 3 is fixedly connected with a lifting component 4, the surface of the lifting component 4 is slidably connected with a limiting component 5, both sides of the bottom end of the surface of the limiting component 5 are fixedly connected with a fixing block 6, the setting of the fixing block 6 achieves the effect of connecting the first connecting bolt 7, the internal thread of the fixing block 6 is connected with the first connecting bolt 7, the setting of the first connecting bolt 7 achieves the effect of connecting the protection box 501 and the bottom plate 8, the bottom end of the surface of the first connecting bolt 7 is threadedly connected with the bottom plate 8, and the setting of the bottom plate 8 achieves the effect of increasing the force area;

[0032] See also Figure 2The first connecting component 2 includes a second connecting bolt 201 and a perforated plate 202. The middle part of the surface of the second connecting bolt 201 is threadedly connected to the inside of the first hole, and the bottom end of the surface of the second connecting bolt 201 is fixedly threadedly connected to the perforated plate 202. Through the setting of the first connecting component 2, the effect of connecting the support plate 1 and the perforated plate 202 is achieved;

[0033] See also Figure 4 The second connecting component 3 includes a third connecting bolt 301 and a threaded block 302. The middle part of the surface of the third connecting bolt 301 is threadedly connected to the perforated plate 202, and the bottom end of the surface of the third connecting bolt 301 is threadedly connected to the threaded block 302. Through the setting of the second connecting component 3, the effect of connecting the perforated plate 202 and the threaded block 302 is achieved;

[0034] See also Figure 3 The lifting assembly 4 includes a rack 401, a gear 402, a connecting rod 403, a crank 404 and a handle 405. The top of the rack 401 is fixedly connected to the bottom of the threaded block 302, one side of the rack 401 is meshed with the gear 402, the back of the gear 402 is fixedly connected to the connecting rod 403, one end of the connecting rod 403 is fixedly connected to the crank 404, and the top of one side of the crank 404 is fixedly connected to the handle 405. Through the setting of the lifting assembly 4, the effect of lifting and lowering the support plate 1 is achieved;

[0035] See also Figure 3 The limiting assembly 5 includes a protection box 501 and a limiting block 502. The inside of the protection box 501 is slidably connected to the surface of the rack 401. The middle of the surface of the protection box 501 is slidably connected to the limiting block 502. By setting the limiting assembly 5, the effect of limiting the gear 402 is achieved;

[0036] See also Figure 1 The bottom end of the bottom plate 8 is fixedly connected with an anti-skid pad 9. By setting the anti-skid pad 9, the effect of enhancing stability is achieved. The material of the anti-skid pad 9 is rubber.

[0037] See also Figure 1 The bottom plate 8 is adapted to the size of the anti-skid pad 9, and a plurality of concave holes are provided at the bottom of the anti-skid pad 9.

[0038] See also Figure 1 The number of the second connecting bolts 201 is four, and the number of the second connecting bolts 201 is consistent with the number of holes on the perforated plate 202.

[0039] See also Figure 1 The surface of the lifting component 4 is slidably connected to the limiting component 5 through the gear 402, and the limiting component 5 is connected to the fixing block 6 through the protection box 501.

[0040] Embodiment 1:

[0041] See also Figure 5 The blowing assembly 10 includes a motor box 1001 fixedly connected to one side of the protection box 501, a servo motor 1002 and a battery are fixedly connected inside the motor box 1001, a transmission rod 1003 is splined at the output end of the servo motor 1002, a rotating rod is fixedly connected to one end of the transmission rod 1003, a fan blade 1004 is fixedly connected to the surface of the other end of the rotating rod, and a frame 1005 is fixedly connected to the surface of the motor box through a short rod. By setting the blowing assembly, the flying dust in the mine tunnel can be blown away, so that the flying dust content in the air in the working area of ​​the personnel is reduced.

[0042] Embodiment 2:

[0043] See also Figure 6 The blowing assembly 10 includes a motor cabin 1005 fixedly connected to one side of the protection box 501, a motor 1006 is fixedly connected inside the motor cabin 1005, a rotating rod 1007 is splined at the output end of the motor, a fan 1008 is fixedly connected to one end of the rotating rod 1007, and a cloth bag 1009 is sleeved at one end of the fan. Through the setting of the cloth bag 1009, the direction of the flying dust in the mine tunnel can be guided and discharged from the mine tunnel.

[0044] In the utility model, the working steps of the device are as follows:

[0045] When in use, after placing the base plate 8 at the specified position, the protection box 501 is connected to the base plate 8 through the first connecting bolt 7 on the fixing block 6, and then the perforated plate 202 is connected to the threaded block 302 through the third connecting bolt 301, and then the support plate 1 is connected to the perforated plate 202 through the second connecting bolt 201. After the connection work is completed, the handle 405 is turned to make the crank 404 drive the connecting rod 403 to rotate the gear 402. The rack 401 drives the support plate 1 to support the top of the tunnel under the rotation of the gear 402. After the support plate 1 reaches a suitable position, the gear 402 is limited by the limit block 502 on one side of the protection box 501.

[0046] Although the 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 tunnel roof, comprising a support plate (1), characterized in that: The top of the support plate (1) is provided with a plurality of first holes, the first holes are internally threadedly connected to a first connecting component (2), the top of the first connecting component (2) is provided with a second hole, the second holes are internally threadedly connected to a second connecting component (3), the bottom end of the second connecting component (3) is fixedly connected to a lifting component (4), the surface of the lifting component (4) is slidably connected to a limiting component (5), both sides of the bottom end of the surface of the limiting component (5) are fixedly connected to fixing blocks (6), the internal thread of the fixing block (6) is connected to a first connecting bolt (7), and the bottom end of the surface of the first connecting bolt (7) is threadedly connected to a bottom plate (8).

2. A tunnel roof according to claim 1, characterized in that: The first connecting assembly (2) comprises a second connecting bolt (201) and a perforated plate (202), wherein the middle portion of the surface of the second connecting bolt (201) is threadedly connected to the interior of the first hole, and the bottom end of the surface of the second connecting bolt (201) is fixedly threadedly connected to the perforated plate (202).

3. A tunnel roof according to claim 1, characterized in that: The second connection assembly (3) comprises a third connection bolt (301) and a threaded block (302), wherein the middle portion of the surface of the third connection bolt (301) is threadedly connected to the perforated plate (202), and the bottom end of the surface of the third connection bolt (301) is threadedly connected to the threaded block (302).

4. A tunnel roof according to claim 1, characterized in that: The lifting assembly (4) comprises a rack (401), a gear (402), a connecting rod (403), a crank (404) and a handle (405); the top end of the rack (401) is fixedly connected to the bottom end of the threaded block (302); one side of the rack (401) is meshed with the gear (402); the back side of the gear (402) is fixedly connected to the connecting rod (403); one end of the connecting rod (403) is fixedly connected to the crank (404); and the top end of one side of the crank (404) is fixedly connected to the handle (405).

5. The tunnel roof according to claim 1, characterized in that: The limiting assembly (5) comprises a protection box (501) and a limiting block (502); the interior of the protection box (501) is slidably connected to the surface of the rack (401); and the middle of the surface of the protection box (501) is slidably connected to the limiting block (502).

6. The tunnel roof according to claim 1, characterized in that: The bottom end of the bottom plate (8) is fixedly connected with an anti-skid pad (9), and the material of the anti-skid pad (9) is rubber.

7. The tunnel roof according to claim 1, characterized in that: The bottom plate (8) is matched to the size of the anti-skid pad (9), and a plurality of recessed holes are provided at the bottom of the anti-skid pad (9).

8. The tunnel roof according to claim 2, characterized in that: The number of the second connecting bolts (201) is four, and the number of the second connecting bolts (201) is consistent with the number of holes on the perforated plate (202).

9. The tunnel roof according to claim 1, characterized in that: The surface of the lifting component (4) is slidably connected to the limiting component (5) via a gear (402), and the limiting component (5) is connected to the fixing block (6) via a protection box (501).

Images