Simple multi-head air receiving device for tunnel air leg type blower gun drill

Abstract

The utility model discloses a simple tunnel air leg type blower gun drill multi-head type air receiving device which is characterized in that a steel pipe air duct is fixedly installed at the top end of a movable base, the outer wall of the steel pipe air duct is fixedly connected with a plurality of air outlet connecting pipes, and one end of each air outlet connecting pipe is fixedly connected with an installation base cylinder; a connecting seat cylinder is fixedly mounted in the mounting seat cylinder, an air receiving control valve is welded to one end of the connecting seat cylinder, a sealing mounting plate is fixedly mounted at one end of the steel pipe air duct, an air inlet connecting pipe is fixedly connected to one side of the sealing mounting plate, and an air compressor connecting pipe is fixedly mounted at one end of the air inlet connecting pipe. The air leg type blower gun drill is connected through the steel pipe air duct, the whole device is convenient to machine and fast to install, and the air leg type blower gun drill can be directly dismantled and dragged when moved, and is convenient and fast to use. Meanwhile, a plurality of air leg type blower gun drills can be connected, the adaptability is wide, the construction efficiency is high, and the construction requirements can be met.

Description

Technical Field

[0001] This utility model relates to the field of construction machinery technology, and in particular to a simple tunnel pneumatic leg type air gun drill multi-head air receiving device. Background Technology

[0002] In existing technology, the pneumatic drill is a tool used for drilling holes, mainly in rock drilling projects such as mining, railways, transportation, and water conservancy construction. It uses compressed air to drive a piston in a cylinder to strike forward, thereby driving a steel chisel to strike the hole. It is suitable for drilling blasting holes in various rock drilling operations.

[0003] The working principle of a pneumatic drill is to use compressed air to drive a piston in a cylinder forward, which in turn drives a steel chisel to strike the hole. This design makes pneumatic drills perform well in hard rock and relatively hard rock, enabling efficient drilling operations.

[0004] When using pneumatic drills for conventional blasting at tunnel faces, excessive use of flexible air hoses and their repeated dragging can easily cause damage and air leakage. Additionally, using too few drills increases the repair rate, prolongs the work time, consumes excessive manpower, and reduces work efficiency. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a simple tunnel pneumatic leg type air gun drill multi-head air receiving device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A simple tunnel pneumatic drill multi-head air intake device includes a steel pipe air duct fixedly installed on the top of a movable base. Multiple air outlet connecting pipes are fixedly connected to the outer wall of the steel pipe air duct. One end of each air outlet connecting pipe is fixedly connected to a mounting base. A connecting base is fixedly installed inside the mounting base. An air intake control valve is welded to one end of the connecting base. A sealing mounting plate is fixedly installed at one end of the steel pipe air duct. An air inlet connecting pipe is fixedly connected to one side of the sealing mounting plate. An air compressor connecting pipe is fixedly installed at one end of the air inlet connecting pipe. An outer layer filter cylinder, a middle layer filter cylinder, and an inner layer filter cylinder, all on the same axis, are fixedly connected to the other side of the sealing mounting plate.

[0008] As a further embodiment of this utility model: a plurality of supporting columns are fixedly connected to one end of the top of the movable base, and a mounting bracket is fixedly connected to the top of the plurality of supporting columns, and the steel pipe duct is fixedly installed inside the mounting bracket.

[0009] As a further scheme of the utility model: the outer wall of one end of the outer layer filter screen cylinder, the middle layer filter screen cylinder and the inner layer filter screen cylinder is sleeved with a screen cylinder limiting snap ring, a plurality of screen cylinder limiting snap rings are fixedly connected with a screen cylinder connecting plate on one side.

[0010] As a further scheme of the utility model: the outer wall of one end of the outer layer filter screen cylinder, the middle layer filter screen cylinder and the inner layer filter screen cylinder is sleeved with a screen cylinder limiting snap ring, a plurality of screen cylinder limiting snap rings are fixedly connected with a screen cylinder connecting plate on one side.

[0011] As a further scheme of the utility model: the outer wall of one end of the outer layer filter screen cylinder, the middle layer filter screen cylinder and the inner layer filter screen cylinder is sleeved with a screen cylinder limiting snap ring, a plurality of screen cylinder limiting snap rings are fixedly connected with a screen cylinder connecting plate on one side.

[0012] As a further scheme of the utility model: the outer wall of one end of the outer layer filter screen cylinder, the middle layer filter screen cylinder and the inner layer filter screen cylinder is sleeved with a screen cylinder limiting snap ring, a plurality of screen cylinder limiting snap rings are fixedly connected with a screen cylinder connecting plate on one side.

[0013] As a further scheme of the utility model: the outer wall of one end of the outer layer filter screen cylinder, the middle layer filter screen cylinder and the inner layer filter screen cylinder is sleeved with a screen cylinder limiting snap ring, a plurality of screen cylinder limiting snap rings are fixedly connected with a screen cylinder connecting plate on one side.

[0014] As a further scheme of the utility model: the outer wall of one end of the outer layer filter screen cylinder, the middle layer filter screen cylinder and the inner layer filter screen cylinder is sleeved with a screen cylinder limiting snap ring, a plurality of screen cylinder limiting snap rings are fixedly connected with a screen cylinder connecting plate on one side.

[0015] Compared with the prior art, the utility model provides a simple tunnel gas leg type air gun drill multi -head type air connection device, has the following beneficial effects:

[0016] 1. The air gun drill multi -head type air connection device, through the steel pipe air gun drill connection gas leg type air gun drill, the overall device is convenient to process, and is installed quickly, and when the gas leg type air gun drill moves, can be directly removed and dragged, convenient and fast, can be connected with multiple gas leg type air gun drills, and the adaptability is wide, and the construction efficiency is high, and the construction requirements can be met.

[0017] 2. The air gun drill multi -head type air connection device, through the lengthening fixed cylinder, the lengthening connecting cylinder and the folding rubber air bag, the air containing capacity of the steel pipe air gun drill is expanded, the expansion length of the folding rubber air bag can be freely adjusted according to the actual use quantity of the gas leg type air gun drill, the actual use performance of the overall device is guaranteed, and the convenience of the overall device in the actual working process is improved.

[0018] The part not involved in the device is same as the prior art or can be realized by the prior art, the utility model has simple structure and convenient operation. ACCURACY

[0019] Figure 1 It is the three -dimensional structure schematic diagram of the overall assembly of the utility model;

[0020] Figure 2 It is the partial sectional view structure schematic view of the whole assembly of the utility model;

[0021] Figure 3 It is the partial sectional view structure schematic view of the steel pipe wind pipe deformation structure of the utility model;

[0022] Figure 4 It is the utility model Figure 3 The enlarged structure schematic view of A in the middle.

[0023] In the drawing: 1, mobile base; 2, support column; 3, mounting clasp; 4, steel pipe wind pipe; 5, air outlet connecting pipe; 6, mounting seat cylinder; 7, connecting seat cylinder; 8, air connection control valve; 9, fixed connecting ring; 10, sealing mounting plate; 11, air inlet connecting pipe; 12, air compressor connecting pipe; 13, outer layer filter screen cylinder; 14, middle layer filter screen cylinder; 15, inner layer filter screen cylinder; 16, screen cylinder connecting plate; 17, screen cylinder limiting snap ring; 18, air permeable connecting hole; 19, lengthened fixed cylinder; 20, lengthened connecting cylinder; 21, thick wall protection cylinder; 22, folding rubber air bag; 23, limiting snap ring; 24, fixed bolt; 25, limiting connecting arm; 26, mating jack. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Embodiment one;

[0026] A simple tunnel air leg type air gun drill multi-head type air connection device, as shown in Figures 1 to 2 The steel pipe wind pipe 4 is fixedly installed at the top end of the mobile base 1, one end of the top of the mobile base 1 is welded with a plurality of support columns 2, the top end of the plurality of support columns 2 is fixedly connected with a mounting clasp 3, the top end of the mounting clasp 3 is provided with a cylindrical recess, and the steel pipe wind pipe 4 is fixedly installed in the cylindrical recess of the mounting clasp 3; the mobile base 1 can quickly shift with the steel pipe wind pipe 4 according to actual use needs, so as to avoid that the overall device is difficult to shift due to the weight of the overall device.

[0027] A plurality of air outlet connecting pipes 5 are welded on the outer wall of the steel pipe wind pipe 4, the air outlet connecting pipes 5 are equally arranged as multiple groups, each group is equally arranged as multiple, and high-pressure airflow can be simultaneously outputted, so as to simultaneously provide power support for multiple air leg type air gun drills.

[0028] The mounting seat cylinder 6 is internally screwed with the connecting seat cylinder 7, and the mounting seat cylinder 6 and the connecting seat cylinder 7 are further reinforced through the flange plate to ensure the stability of the connection.

[0029] The air connection control valve 8 is welded at the end of the connecting seat cylinder 7 away from the air outlet connecting pipe 5, and the end of the air connection control valve 8 away from the connecting seat cylinder 7 is connected with the air leg type air gun drill; the air connection control valve 8 is made of stainless steel, the valve joint bolt type specification is matched with the air leg type air gun drill connector, and is determined according to the size specification.

[0030] The steel pipe air cylinder 4 is made of seamless steel pipe, and the diameter of the seamless steel pipe is determined according to the number of joints on site, and is generally a diameter of ten centimeters of seamless steel pipe; the air connection control valve 8 is set as a ball valve, which is simple to operate and has excellent sealing performance.

[0031] The outer wall of one end of the steel pipe air cylinder 4 is integrally formed with a fixed connection ring 9, one side of the fixed connection ring 9 is fixedly installed with a sealing installation plate 10, the side of the sealing installation plate 10 away from the steel pipe air cylinder 4 is welded with an air inlet connecting pipe 11, one end of the air inlet connecting pipe 11 is fixedly installed with an air compressor connecting pipe 12, and the air compressor connecting pipe 12 is set as a flexible pipe and is communicated with an air compressor.

[0032] The other side of the sealing installation plate 10 is fixedly connected with an outer layer filter screen cylinder 13, a middle layer filter screen cylinder 14 and an inner layer filter screen cylinder 15 which are coaxial and have increasing inner diameters, and the three are inserted into the inside of the steel pipe air cylinder 4 to filter the air introduced by the air inlet connecting pipe 11 again.

[0033] The outer wall of one end of the outer layer filter screen cylinder 13, the middle layer filter screen cylinder 14 and the inner layer filter screen cylinder 15 is sleeved with a screen cylinder limiting snap ring 17, the side of a plurality of screen cylinder limiting snap rings 17 is welded with a screen cylinder connecting plate 16, and the screen cylinder connecting plate 16 is closely combined with the inner wall of one end of the steel pipe air cylinder 4.

[0034] The cylinder walls of the outer layer filter screen cylinder 13, the middle layer filter screen cylinder 14 and the inner layer filter screen cylinder 15 are provided with filter holes, which are set as 200 meshes, 400 meshes and 600 meshes respectively, so as to fully filter the dust impurities possibly existing in the air.

[0035] In use, the air leg type air gun drill is connected with the air connection control valve 8, then the air compressor is connected through the air compressor connecting pipe 12, and the air is continuously injected into the inside of the steel pipe air cylinder 4, until the air pressure in the inside of the steel pipe air cylinder 4 reaches the specified pressure for the working of the air leg type air gun drill, then the working of the air compressor is adjusted according to the number of the actually used air leg type air gun drills, so that the air entering the steel pipe air cylinder 4 and the air flowing out of the steel pipe air cylinder 4 are kept in dynamic balance, then the corresponding air connection control valve 8 of the air leg type air gun drill is opened, and the air leg type air gun drill starts to work.

[0036] Example 2;

[0037] Based on Example 1, the steel pipe ventilation duct 4 is further improved, such as... Figures 3 to 4 As shown, an extended fixed cylinder 19 is fixedly connected to one end of the sealing installation plate 10 of the steel pipe ventilation duct 4. The inner cavity of the extended fixed cylinder 19 is connected to the inner cavity of the steel pipe ventilation duct 4. A plurality of ventilation connection holes 18 are equidistantly opened on one side of the outer wall of the mesh cylinder connecting plate 16. The ventilation connection holes 18 are connected to the inner cavity of the extended fixed cylinder 19.

[0038] An extended connecting cylinder 20 is slidably sleeved on the outer wall of the extended fixed cylinder 19. A limit ring 1 is fixedly connected to the outer wall of the end of the extended fixed cylinder 19 away from the steel pipe ventilation duct 4, and a limit ring 2 is fixedly connected to the inner wall of the end of the extended connecting cylinder 20 close to the steel pipe ventilation duct 4. The two work together to limit the extension connecting cylinder 20.

[0039] The end of the extended connecting tube 20 away from the steel pipe ventilation tube 4 is integrally formed with a thick-walled protective tube 21. The inner wall of the thick-walled protective tube 21 is bonded with a folded rubber airbag 22. The outer wall of the opening of the folded rubber airbag 22 is bonded to the inner wall of the extended fixed tube 19. When the thick-walled protective tube 21 is away from the extended fixed tube 19, the folded rubber airbag 22 unfolds, increasing the capacity of the steel pipe ventilation tube 4 to hold high-pressure air, ensuring that the steel pipe ventilation tube 4 can supply airflow to multiple pneumatic leg drills at the same time.

[0040] Multiple limiting sleeves 23 are welded at equal intervals on the outer wall of one end of the extended connecting tube 20. A fixing bolt 24 is threaded on one side of the limiting sleeve 23. A limiting connecting arm 25 is slidably inserted into the inside of the limiting sleeve 23. Multiple insertion holes 26 for inserting the fixing bolt 24 are opened at equal intervals on one side of the limiting connecting arm 25. One end of the limiting connecting arm 25 is welded to the end of the steel pipe duct 4.

[0041] Based on Embodiment 1, in this embodiment, the number of pneumatic leg drills to be used is first determined according to the actual working environment. If the number of pneumatic leg drills is less than or equal to four, the steel pipe duct 4 and the extended connecting tube 20 remain in their initial state (e.g., Figure 3 As shown), if the number of pneumatic leg drills used is greater than four and less than or equal to twelve, the position of the extended connecting cylinder 20 is adjusted according to the actual number of pneumatic leg drills used to increase the air capacity of the steel pipe duct 4, and then the device is operated in the manner of Example 1.

[0042] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A simple tunnel air leg type air gun drill multi-head type air connection device, comprising a steel pipe air duct (4) fixedly installed at the top end of a mobile base (1), characterized in that: The outer wall of the steel pipe wind pipe (4) is fixedly connected with a plurality of air outlet connecting pipes (5), one end of the air outlet connecting pipe (5) is fixedly connected with a mounting seat cylinder (6), the inside of the mounting seat cylinder (6) is fixedly installed with a connecting seat cylinder (7), one end of the connecting seat cylinder (7) is welded with an air connection control valve (8), one end of the steel pipe wind pipe (4) is fixedly installed with a sealing mounting plate (10), one side of the sealing mounting plate (10) is fixedly connected with an air inlet connecting pipe (11), one end of the air inlet connecting pipe (11) is fixedly installed with an air compressor connecting pipe (12), and the other side of the sealing mounting plate (10) is fixedly connected with an outer layer filter screen cylinder (13), a middle layer filter screen cylinder (14) and an inner layer filter screen cylinder (15) coaxially.

2. A simple tunnel air leg type air gun drill multi-head type air connection device according to claim 1, characterized in that: The top of the moving base (1) is fixedly connected with a plurality of support columns (2), the top of the plurality of support columns (2) is fixedly connected with a mounting clamping seat (3), and the steel pipe wind pipe (4) is fixedly installed in the mounting clamping seat (3).

3. The simple tunnel air leg type air gun drill multi-head type air connection device according to claim 1, characterized in that: The outer wall of one end of the outer layer filter screen cylinder (13), the middle layer filter screen cylinder (14) and the inner layer filter screen cylinder (15) is sleeved with a screen cylinder limiting snap ring (17), one side of the plurality of screen cylinder limiting snap rings (17) is fixedly connected with a screen cylinder connecting plate (16).

4. The simple tunnel air leg type air gun drill multi-head type air connection device according to claim 1, characterized in that: One end of the steel pipe wind pipe (4) is fixedly connected with an elongated fixed cylinder (19), and the outer wall of the elongated fixed cylinder (19) is slidably sleeved with an elongated connecting cylinder (20).

5. A simple tunnel air leg type air gun drill multi-head type air connection device according to claim 4, characterized in that: One end of the elongated connecting cylinder (20) is fixedly connected with a thick-walled protection cylinder (21), and the inner wall of the thick-walled protection cylinder (21) is fixedly connected with a folding rubber air bag (22).

6. The simple tunnel air leg type air gun drill multi-head type air connection device according to claim 4, characterized in that: The outer wall of one end of the elongated connecting cylinder (20) is fixedly connected with a plurality of limiting clamping sleeves (23) at equal intervals, and the limiting clamping sleeve (23) is threadedly installed with a fixed bolt (24) on one side.

7. The simple tunnel air leg type air gun drill multi-head type air connection device according to claim 6, characterized in that: The inside of the limiting clamping sleeve (23) is slidably inserted with a limiting connecting arm (25), and a plurality of cooperating insertion holes (26) are formed at equal intervals on one side of the limiting connecting arm (25).

8. The simple tunnel air leg type air gun drill multi-head type air connection device according to claim 3, characterized in that: A plurality of air permeable connecting holes (18) are formed at equal intervals on one side of the outer wall of the screen cylinder connecting plate (16), and the air permeable connecting holes (18) are in communication with the inner cavity of the elongated fixed cylinder (19).

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