Blasthole cleaning device for tunnel drilling and blasting construction

Abstract

The utility model discloses a shot hole cleaning device for tunnel drilling and blasting construction, and relates to the technical field of tunnel construction. Universal wheels are arranged at the bottom of the bottom plate, a sector plate is arranged on the bottom plate, an adjusting frame is rotationally matched with the sector plate, a lifting block is arranged in the adjusting frame in a sliding fit mode, a cleaning assembly is arranged at the top of the lifting block, a collecting box is arranged on the bottom plate, and a corrugated conveying pipe is arranged between the cleaning assembly and the collecting box. An adjusting assembly is arranged between the bottom plate and the adjusting frame. The adjusting frame can be driven to rotate on the sector plate by rotating the first adjusting rod, the threaded rod can be driven to rotate by rotating the second adjusting rod, and the threaded rod is in threaded fit in the threaded groove of the lifting block, so that the height of the lifting block in the adjusting frame can be adjusted; and under the condition that the bottom plate does not need to be moved, hole cleaning operation can be conveniently conducted on the shot hole, and the threaded columns are located in the arc-shaped grooves to fix the adjusting frame again through the fixing bolts.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel construction, and specifically relates to a hole cleaning device for blast holes in tunnel drilling and blasting construction. Background Art

[0002] In the existing technology of drilling and blasting construction in sandstone intercalated with mudstone geological sections, due to the alternating hardness and softness of the rock mass and the developed joints, the drilling and blasting construction is extremely prone to the situation of drill sticking, and the problems of borehole collapse and shrinkage occur during drilling. At present, in the tunnel drilling and blasting method construction, after the blast holes are drilled, the dust is removed by blowing the blast holes with a pneumatic pick: the hole cleaning process causes great environmental pollution, poses a health hazard to the human body, and the cleaning effect is not good.

[0003] Chinese Patent with Publication No. CN116838274A discloses a hole cleaning device for blast holes in tunnel construction, which relates to the technical field of tunnel construction. The hole cleaning device for blast holes in tunnel construction includes a mobile vehicle; a cleaning device: arranged on the mobile vehicle, the cleaning device can be lifted, adjusted according to the height of different blast holes, adjusted according to the depth of the blast holes, and the lifting drive component will drive the cleaning device to lift, so that the cleaning device moves to a suitable position. Through the mobile vehicle, the cleaning device is inserted into the blast hole, and the blower blows the blast hole through the cleaning device, and the impurities in the blast hole will be blown into the cleaning device, and the dust removal part will humidify and reduce the dust of the impurities to avoid the generation of dust, and the impurities will fall into the collection part to complete the collection and be centrally processed, so that the blast hole can be conveniently cleaned, effectively avoiding a large amount of dust generated during cleaning and affecting the health of workers and tunnel construction.

[0004] The above-mentioned existing technology uses a mobile vehicle and a lifting drive component to drive the cleaning device to lift, so that the cleaning device can be conveniently adjusted in height. However, in actual use, the blast holes that need to be drilled and blasted in the tunnel are semi-circular. When using this device to clean the blast holes, the positions of the mobile vehicle and the lifting drive need to be frequently adjusted, and the tunnel floor is rough and uneven, which is inconvenient for adjustment, thus reducing the efficiency of cleaning the blast holes.

[0005] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0006] The technical problem to be solved by the present utility model is to overcome the deficiencies of the existing technology and provide a hole cleaning device for blast holes in tunnel drilling and blasting construction.

[0007] To solve the above technical problem, the basic concept of the technical solution adopted by the present utility model is:

[0008] A hole cleaning device for tunnel drilling and blasting construction, comprising: a bottom plate, a universal wheel is installed at the bottom of the bottom plate, a sector plate is installed on the bottom plate, an adjusting frame is rotatably matched on the sector plate, a lifting block is slidably matched in the adjusting frame, a cleaning assembly is installed at the top of the lifting block, a collection box is installed on the bottom plate, a corrugated conveying pipe is arranged between the cleaning assembly and the collection box, and an adjusting assembly is arranged between the bottom plate and the adjusting frame;

[0009] The adjusting assembly includes a first adjusting rod rotatably matched on the bottom plate, a worm installed on the first adjusting rod, a worm gear installed at the bottom of the adjusting frame, the worm is meshed with the worm gear, a threaded rod rotatably matched in the adjusting frame, a second adjusting rod rotatably matched on one side of the adjusting frame, the threaded rod is matched with the second adjusting rod, and the threaded rod is matched with the lifting block.

[0010] Optionally, a first connecting groove is opened on one side of the sector plate, a connecting shaft is installed on one side of the adjusting frame, the connecting shaft is rotatably matched in the first connecting groove, a threaded column is installed on one side of the adjusting frame, an arc-shaped groove is opened on one side of the sector plate, the threaded column is located in the arc-shaped groove, a fixing bolt is threadedly matched on the threaded column, the fixing bolt is located outside the sector plate and is matched with it, two opposite fixing plates are installed on the bottom plate, a second connecting groove is opened on one side of the fixing plate, and the first adjusting rod is rotatably matched in the second connecting groove.

[0011] Optionally, a threaded groove is opened on one side of the lifting block, the threaded rod is threadedly matched in the threaded groove, bevel gears are installed on both the threaded rod and the second adjusting rod, the two bevel gears are meshed, a third connecting groove is opened in the adjusting frame, the threaded rod is rotatably matched in the third connecting groove, a fourth connecting groove is opened on one side of the adjusting frame, and the second adjusting rod is rotatably matched in the fourth connecting groove.

[0012] Optionally, a plurality of fixing grooves are opened on one side of the adjusting frame, a fixing frame is slidably matched on the second adjusting rod, a fixing pin is installed on one side of the fixing frame, the fixing pin is matched with the fixing frame, an operating disk is installed on one side of the fixing frame, a limiting ring block is installed on one side of the second adjusting rod, the limiting ring block is slidably matched in the fixing frame, a spring is installed on one side of the limiting ring block, the spring is sleeved on the second adjusting rod and is located on the side away from the operating disk, limiting grooves are opened on both sides of the second adjusting rod, a circular groove is opened on one side of the fixing frame, and limiting blocks are installed on both sides of the inner wall of the circular groove, and the limiting blocks are slidably matched in the limiting grooves.

[0013] After adopting the above technical solution, the present utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the present utility model does not necessarily need to achieve all the advantages described below:

[0014] The hole cleaning device for tunnel drilling and blasting construction can drive the adjusting frame to rotate on the sector plate by rotating the first adjusting rod, and can drive the threaded rod to rotate by rotating the second adjusting rod. The threaded rod is in threaded cooperation with the threaded groove of the lifting block, so that the height of the lifting block in the adjusting frame can be adjusted, facilitating the hole cleaning operation of the blast hole without moving the bottom plate. The threaded column is located in the arc groove, and the fixing bolt plays a role in fixing the adjusting frame again.

[0015] The following further describes in detail the specific implementation manners of the present utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings in the following description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the whole of the embodiment of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the adjusting assembly of the embodiment of the present utility model;

[0019] Figure 3 is a schematic structural diagram of the interior of the adjusting frame of the embodiment of the present utility model;

[0020] Figure 4 is a schematic structural diagram of a partial cross-sectional view of the adjusting frame of the embodiment of the present utility model;

[0021] Figure 5 is a schematic structural diagram of the connection between the second adjusting rod and the fixed frame of the embodiment of the present utility model;

[0022] In the drawings, the list of components represented by each reference numeral is as follows:

[0023] Bottom plate 1, universal wheel 2, sector plate 3, adjusting frame 4, lifting block 5, cleaning assembly 6, collection box 7, corrugated conveying pipe 8, first connection groove 9, connecting shaft 10, threaded column 11, arc groove 12, fixing plate 13, second connection groove 14, first adjusting rod 15, worm 16, worm gear 17, threaded rod 18, threaded groove 19, second adjusting rod 20, bevel gear 21, third connection groove 22, fourth connection groove 23, fixing bolt 24, fixing groove 25, fixed frame 26, operation panel 27, fixing pin 28, limit ring block 29, limit groove 30, circular groove 31, limit block 32, spring 33.

[0024] It should be noted that these drawings and text descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. SPECIFIC IMPLEMENTATION MANNERS

[0025] The present utility model will now be further described in detail with reference to the accompanying drawings.

[0026] Please refer to Figures 1-5 As shown, in this embodiment, a hole cleaning device for tunnel drilling and blasting construction is provided, including: a bottom plate 1, a universal wheel 2 is installed at the bottom of the bottom plate 1, a sector plate 3 is installed on the bottom plate 1, an adjustment frame 4 is rotatably fitted on the sector plate 3, a lifting block 5 is slidably fitted in the adjustment frame 4, a cleaning assembly 6 is installed at the top of the lifting block 5, a collection box 7 is installed on the bottom plate 1, a corrugated conveying pipe 8 is arranged between the cleaning assembly 6 and the collection box 7, and an adjustment assembly is arranged between the bottom plate 1 and the adjustment frame 4;

[0027] The adjustment assembly includes a first adjustment rod 15 rotatably fitted on the bottom plate 1, a worm 16 installed on the first adjustment rod 15, a worm gear 17 installed at the bottom of the adjustment frame 4, the worm 16 meshes with the worm gear 17, a threaded rod 18 rotatably fitted in the adjustment frame 4, a second adjustment rod 20 rotatably fitted on one side of the adjustment frame 4, the threaded rod 18 cooperates with the second adjustment rod 20, and the threaded rod 18 cooperates with the lifting block 5.

[0028] One application aspect of this embodiment is: by rotating the first adjustment rod 15, the adjustment frame 4 can be driven to rotate on the sector plate 3, by rotating the second adjustment rod 20, the threaded rod 18 can be driven to rotate, and the threaded rod 18 is in threaded fit with the threaded groove 19 in the lifting block 5, so that the height of the lifting block 5 in the adjustment frame 4 can be adjusted, facilitating the hole cleaning operation of the blast hole without moving the bottom plate 1. The threaded column 11 is located in the arc-shaped groove 12, and the adjustment frame 4 is further fixed by the fixing bolt 24.

[0029] On one side of the sector plate 3 of this embodiment, a first connection groove 9 is opened, a connection shaft 10 is installed on one side of the adjustment frame 4, the connection shaft 10 is rotatably fitted in the first connection groove 9, a threaded column 11 is installed on one side of the adjustment frame 4, an arc-shaped groove 12 is opened on one side of the sector plate 3, the threaded column 11 is located in the arc-shaped groove 12, a fixing bolt 24 is in threaded fit on the threaded column 11, the fixing bolt 24 is located outside the sector plate 3 and cooperates with it, two opposite fixing plates 13 are installed on the bottom plate 1, a second connection groove 14 is opened on one side of the fixing plate 13, and the first adjustment rod 15 is rotatably fitted in the second connection groove 14.

[0030] On one side of the lifting block 5 of this embodiment, a threaded groove 19 is opened, the threaded rod 18 is in threaded fit with the threaded groove 19, bevel gears 21 are installed on both the threaded rod 18 and the second adjustment rod 20, the two bevel gears 21 mesh with each other, a third connection groove 22 is opened in the adjustment frame 4, the threaded rod 18 is rotatably fitted in the third connection groove 22, a fourth connection groove 23 is opened on one side of the adjustment frame 4, and the second adjustment rod 20 is rotatably fitted in the fourth connection groove 23.

[0031] On one side of the adjustment frame 4 of this embodiment, a plurality of fixing grooves 25 are provided. A fixing frame 26 is slidably fitted on the second adjusting rod 20. A fixing pin 28 is installed on one side of the fixing frame 26. The fixing pin 28 is matched with the fixing frame 26. An operation disc 27 is installed on one side of the fixing frame 26. A limiting ring block 29 is installed on one side of the second adjusting rod 20. The limiting ring block 29 is slidably fitted in the fixing frame 26. A spring 33 is installed on one side of the limiting ring block 29. The spring 33 is sleeved on the second adjusting rod 20 and is located on the side far from the operation disc 27. Limiting grooves 30 are provided on both sides of the second adjusting rod 20. Circular grooves 31 are provided on one side of the fixing frame 26. Limiting blocks 32 are installed on both sides of the inner wall of the circular groove 31. The limiting blocks 32 are slidably fitted in the limiting grooves 30.

[0032] The present utility model is not limited to the above embodiments. Anyone should know that structural changes made under the inspiration of the present utility model, as long as they have the same or similar technical solutions as the present utility model, fall within the protection scope of the present utility model. The technologies, shapes, and structures not described in detail in the present utility model are all well-known technologies.

Claims

1. A blasthole cleaning device for tunnel drilling and blasting construction, characterized in that: include: A bottom plate (1), a universal wheel (2) is arranged at the bottom of the bottom plate (1), a fan-shaped plate (3) is arranged on the bottom plate (1), an adjustment frame (4) is rotatably matched on the fan-shaped plate (3), a lifting block (5) is slidably matched in the adjustment frame (4), a cleaning component (6) is arranged on the top of the lifting block (5), a collecting box (7) is arranged on the bottom plate (1), a corrugated conveying pipe (8) is arranged between the cleaning component (6) and the collecting box (7), and an adjustment component is arranged between the bottom plate (1) and the adjustment frame (4); The adjustment assembly comprises a first adjustment rod (15) rotatably engaged with the base plate (1), a worm (16) mounted on the first adjustment rod (15), and a worm wheel (17) mounted on the bottom of the adjustment frame (4); the worm (16) meshes with the worm wheel (17); a threaded rod (18) rotatably engaged with the inside of the adjustment frame (4); a second adjustment rod (20) rotatably engaged with the side of the adjustment frame (4); the threaded rod (18) engages with the second adjustment rod (20); and the threaded rod (18) engages with the lifting block (5).

2. A blasthole cleaning device for tunnel drilling and blasting construction according to claim 1, characterized in that: A first connecting groove (9) is provided on one side of the sector plate (3), a connecting shaft (10) is provided on one side of the adjusting frame (4), and the connecting shaft (10) is rotatably engaged in the first connecting groove (9), a threaded column (11) is provided on one side of the adjusting frame (4), an arc groove (12) is provided on one side of the sector plate (3), the threaded column (11) is located in the arc groove (12), a fixing bolt (24) is threadedly engaged on the threaded column (11), and the fixing bolt (24) is located on the outer side of the sector plate (3) and engaged therewith.

3. The blasthole cleaning device for tunnel drilling and blasting construction according to claim 1, characterized in that: Two opposite fixing plates (13) are mounted on the bottom plate (1), a second connecting groove (14) is provided on one side of the fixing plate (13), and a first adjusting rod (15) is rotatably fitted in the second connecting groove (14).

4. The blasthole cleaning device for tunnel drilling and blasting construction according to claim 1, characterized in that: A thread groove (19) is provided on one side of the lifting block (5), and the threaded rod (18) is threadedly engaged in the thread groove (19). The threaded rod (18) and the second adjusting rod (20) are both provided with bevel gears (21), and the two bevel gears (21) are meshed with each other. A third connecting groove (22) is provided in the adjusting frame (4), and the threaded rod (18) is rotatably engaged in the third connecting groove (22). A fourth connecting groove (23) is provided on one side of the adjusting frame (4), and the second adjusting rod (20) is rotatably engaged in the fourth connecting groove (23).

5. The blasthole cleaning device for tunnel drilling and blasting construction according to claim 1, characterized in that: A plurality of fixing grooves (25) are provided on one side of the adjusting frame (4); a fixing frame (26) is slidably matched on the second adjusting rod (20); a fixing pin (28) is installed on one side of the fixing frame (26); the fixing pin (28) matches the fixing frame (26); and an operating panel (27) is installed on one side of the fixing frame (26).

6. A blasthole cleaning device for tunnel drilling and blasting construction according to claim 5, characterized in that: A limiting ring block (29) is installed on one side of the second adjusting rod (20), and the limiting ring block (29) is slidably fitted in the fixed frame (26). A spring (33) is installed on one side of the limiting ring block (29), and the spring (33) is sleeved on the second adjusting rod (20) and is located on a side away from the operating panel (27). Limiting grooves (30) are provided on both sides of the second adjusting rod (20), and a circular groove (31) is provided on one side of the fixed frame (26). Limiting blocks (32) are installed on both sides of the inner wall of the circular groove (31), and the limiting blocks (32) are slidably fitted in the limiting grooves (30).

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