Limiting device capable of controlling underground drilling construction depth

Abstract

The utility model discloses a limiting device capable of controlling underground drilling construction depth. The limiting device comprises a triggering mechanism and a connecting rope mechanism. The triggering mechanism comprises a magnetic sensing switch, a magnetic block is arranged in the magnetic sensing switch, a first wire is arranged in the cable box, and the two ends of the first wire are connected with the magnetic sensing switch and a drilling rod respectively; the connecting rope mechanism comprises a steel wire rope pulley, a steel wire rope is stored on the steel wire rope pulley and passes through a magnetic sensing switch, the end, away from the steel wire rope pulley, of the steel wire rope is connected with a drilling rod, and a magnet is installed on the steel wire rope. According to the limiting device capable of controlling the underground drilling construction depth, the drilling limiting effect is achieved by controlling the length of the steel wire rope in a magnetic sensing switch triggering mode or a rotating disc gear triggering mode, accurate control over the underground drilling construction depth is completed, and the problems of resource waste caused by ultra-deep depth and unqualified quality or reworking caused by insufficient depth are solved; and meanwhile, process switching is accelerated, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of underground drilling construction, in particular to a limiting device capable of controlling the depth of underground drilling construction. Background Art

[0002] The technical background of underground drilling construction involves many aspects, including but not limited to geological exploration, resource exploitation, infrastructure construction, etc. Underground drilling construction is particularly important for the protection of existing underground subway structures. Once the drilling construction cannot effectively and timely control the drilling depth, there is a high probability that the underground structure will be damaged. Manual dense measurement and acceptance of inspections and reviews by subway operations, ground protection and other units will greatly affect the construction efficiency. In addition, untimely manual measurement may cause over-depth. For drilling construction directly above the existing subway structure, such a situation will have very serious consequences.

[0003] From the above, it can be seen that the current underground drilling construction lacks economical and efficient devices in depth control. In order to avoid damage to underground structures and control the drilling depth, a limit device that can control the depth of underground drilling construction is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a limit device that can control the depth of underground drilling construction. By setting a magnetic sensor switch trigger or a turntable gear trigger to control the length of the wire rope, the effect of drilling limit is achieved, and precise control of the depth of underground drilling construction is completed. The waste of resources caused by excessive depth and the unqualified quality or reverse work problems caused by insufficient depth are solved, while the process switching is accelerated to improve work efficiency.

[0005] In order to achieve the above-mentioned purpose, the main technical solution adopted by the utility model is: a limit device capable of controlling the depth of underground drilling construction, comprising: a trigger mechanism and a connecting rope mechanism;

[0006] The trigger mechanism includes a magnetic sensor switch and a cable box, wherein a magnetic block is provided in the magnetic sensor switch, and a first wire is provided in the cable box, and two ends of the first wire are respectively connected to the magnetic sensor switch and the drill rod;

[0007] The connecting rope mechanism includes a wire rope pulley, on which a wire rope is stored. The wire rope passes through the magnetic sensor switch, one end of the wire rope away from the wire rope pulley is connected to a drill rod, and a magnet is installed on the wire rope.

[0008] Preferably, the trigger mechanism includes a rotating shaft and a conversion rotating shaft, the connecting rope mechanism is installed on the rotating shaft, the rotating shaft and the conversion rotating shaft are connected through a gear set, several turntables are connected to the conversion rotating shaft, several of the turntables are provided with second wires on the top, and touch switches are provided above the several turntables, and the second wire is connected to the touch switch.

[0009] Preferably, the number of the turntables is at least three.

[0010] Preferably, first bearings are provided at both ends of the rotating shaft.

[0011] Preferably, a brake is installed at one end of the rotating shaft, and the touch switch is electrically connected to the brake.

[0012] Preferably, the surface of the turntable is provided with numbers from 0 to 9, and the surface of the turntable is provided with a plurality of dial blocks, and the dial blocks are between the plurality of the numbers.

[0013] Preferably, a pointer is provided on the outer side of the turntable.

[0014] Preferably, a first guide pulley and a second guide pulley are respectively installed on both sides of the magnetic sensor switch, and the wire rope extends toward the drilling direction through the first guide pulley and the second guide pulley.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The limit device can control the depth of underground drilling construction. By setting a magnetic sensor switch trigger or a turntable gear trigger to control the length of the wire rope, the effect of drilling limit is achieved, and the precise control of the underground drilling construction depth is completed. The resource waste caused by excessive depth and the quality failure or reverse work problems caused by insufficient depth are solved. At the same time, the process switching is accelerated to improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view schematic diagram of a limit device capable of controlling the construction depth of underground drilling according to the utility model;

[0018] Figure 2 It is a schematic diagram of a magnetic sensor switch trigger type in a limit device capable of controlling the depth of underground drilling construction of the utility model;

[0019] Figure 3 It is a main schematic view of a turntable gear-triggered limiting device of the utility model that can control the underground drilling construction depth.

[0020] In the figure: 10, magnetic sensor switch; 11, magnetic block; 12, cable box; 13, first conductor; 20, wire rope pulley; 21, wire rope; 22, magnet; 23, first guide pulley; 24, second guide pulley; 30, rotating shaft; 31, gear set; 32, first bearing; 40, conversion rotating shaft; 401, second bearing; 41, turntable; 411, dial block; 412, pointer; 42, second conductor; 421, touch switch. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1

[0023] See also Figure 1-Figure 3 , a limit device capable of controlling the depth of underground drilling construction, comprising: a trigger mechanism and a connecting rope mechanism;

[0024] The trigger mechanism includes a magnetic sensor switch 10 and a cable box 12. A magnetic block 11 is provided in the magnetic sensor switch 10. A first wire 13 is provided in the cable box 12. The two ends of the first wire 13 are respectively connected to the magnetic sensor switch 10 and the drill rod being drilled; the connecting rope mechanism includes a wire rope pulley 20. A wire rope 21 is accommodated on the wire rope pulley 20. The wire rope 21 passes through the magnetic sensor switch 10. One end of the wire rope 21 away from the wire rope pulley 20 is connected to the drill rod being drilled. A magnet 22 is installed on the wire rope 21. A first guide pulley 23 and a second guide pulley 24 are respectively installed on both sides of the magnetic sensor switch 10. The wire rope 21 extends in the drilling direction through the first guide pulley 23 and the second guide pulley 24.

[0025] Structural principle:

[0026] like Figure 1-Figure 2 As shown, the wire rope pulley 20 is fixed at the starting point of the wire rope 21 or chain before drilling, and the magnetic sensor switch 10 is set at the position of the wire rope 21 or chain whose length is calculated according to the coefficient. The wire rope 21 or chain drives the magnet 22 to move toward the magnetic sensor switch 10. After approaching, the magnet 22 is magnetically adsorbed and connected to the magnetic sensor switch 10, and the first conductor 13 is energized to send a limit signal to the drilling equipment, thereby stopping drilling.

[0027] Embodiment 2

[0028] See also Figure 3, a limit device capable of controlling the depth of underground drilling construction, comprising: a trigger mechanism and a connecting rope mechanism;

[0029] The connecting rope mechanism includes a wire rope pulley 20, on which a wire rope 21 is stored;

[0030] The trigger mechanism includes a rotating shaft 30 and a conversion rotating shaft 40. The wire rope pulley 20 is installed at one end of the rotating shaft 30. Both ends of the rotating shaft 30 are provided with a first bearing 32. A brake is installed at one end of the rotating shaft 30. The touch switch 421 is electrically connected to the brake. The rotating shaft 30 is connected to the conversion rotating shaft 40 through a gear set 31. Several turntables 41 are connected to the conversion rotating shaft 40. The number of turntables 41 is at least three. Second wires 42 are provided on the tops of several turntables 41. Touch switches 421 are provided above several turntables 41. The second wires 42 are connected to the touch switches 421. Numbers 0 to 9 are provided on the surface of the turntable 41. Several dial blocks 411 are provided on the surface of the turntable 41. The dial blocks 411 are between several numbers. A pointer 412 is provided on the outside of the turntable 41.

[0031] Structural principle:

[0032] like Figure 3 As shown, the trigger mechanism and the connecting rope mechanism are both arranged at the starting point of the wire rope 21 or the chain before drilling. The wire rope 21 or the chain moves to drive the rotating shaft 30 to rotate, and the gear set 31 drives the conversion rotating shaft 40 to rotate. The several turntables 41 on the conversion rotating shaft 40 rotate, and the shafts of the turntables 41 use gears to mesh with the conversion rotating shaft 40 for transmission. By designing the ratio of the number of teeth of different gears, different speed ratios are achieved, so that the several turntables 41 can achieve the function of counting the number of turns. After the number of turns reaching the set depth, the numbers on the three turntables 41 are reset to 0, 0, 0, and the touch switches on each turntable 41 are simultaneously connected in series with the second wire 42, so that the second wire 42 is energized to send a limit signal to the drilling equipment, thereby stopping drilling.

[0033] In summary, the limit device that can control the depth of underground drilling construction can achieve the effect of drilling limit by setting a magnetic sensor switch trigger or a turntable gear trigger to control the length of the wire rope 21, thereby completing the precise control of the depth of underground drilling construction, solving the waste of resources caused by excessive depth and the unqualified quality or reverse work problems caused by insufficient depth, while speeding up the process switching and improving work efficiency.

[0034] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A limit device capable of controlling the depth of underground drilling construction, characterized in that: include: Trigger mechanism and connecting rope mechanism; The trigger mechanism comprises a magnetic sensor switch (10) and a cable box (12); a magnetic block (11) is provided in the magnetic sensor switch (10); a first wire (13) is provided in the cable box (12); two ends of the first wire (13) are respectively connected to the magnetic sensor switch (10) and a drill rod; The connecting rope mechanism comprises a wire rope pulley (20), a wire rope (21) is stored on the wire rope pulley (20), the wire rope (21) passes through the magnetic sensor switch (10), one end of the wire rope (21) away from the wire rope pulley (20) is connected to a drill rod, and a magnet (22) is installed on the wire rope (21).

2. A limit device capable of controlling the depth of underground drilling construction according to claim 1, characterized in that: The trigger mechanism comprises a rotating shaft (30) and a conversion rotating shaft (40), the connecting rope mechanism is installed on the rotating shaft (30), the rotating shaft (30) and the conversion rotating shaft (40) are connected via a gear set (31), a plurality of rotating disks (41) are connected to the conversion rotating shaft (40), a second wire (42) is provided on the top of the plurality of rotating disks (41), a touch switch (421) is provided above the plurality of rotating disks (41), and the second wire (42) is connected to the touch switch (421).

3. A limit device capable of controlling the depth of underground drilling construction according to claim 2, characterized in that: The number of the rotating disks (41) is at least three.

4. A limit device capable of controlling the depth of underground drilling construction according to claim 2, characterized in that: First bearings (32) are provided at both ends of the rotating shaft (30).

5. A limit device capable of controlling the depth of underground drilling construction according to claim 2, characterized in that: A brake is installed at one end of the rotating shaft (30), and the touch switch (421) is electrically connected to the brake.

6. A limit device capable of controlling the depth of underground drilling construction according to claim 2, characterized in that: The surface of the rotating disk (41) is provided with numbers from 0 to 9, and the surface of the rotating disk (41) is provided with a plurality of dial blocks (411), and the dial blocks (411) are between the plurality of the numbers.

7. A limit device capable of controlling the depth of underground drilling construction according to claim 2, characterized in that: A pointer (412) is provided on the outer side of the rotating disk (41).

8. The limit device capable of controlling the depth of underground drilling construction according to claim 1, characterized in that: A first guide pulley (23) and a second guide pulley (24) are respectively installed on both sides of the magnetic sensor switch (10), and the wire rope (21) extends in the drilling direction through the first guide pulley (23) and the second guide pulley (24).

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