CN216767319U

CN216767319U - Spray device for drill bit of rotary drilling rig

Info

Publication number: CN216767319U
Application number: CN202220518353.0U
Authority: CN
Inventors: 王建伟; 蔡嘉威; 薛琦; 李艳红
Original assignee: China Coal Jiangnan Construction Development Group Co ltd
Current assignee: China Coal Jiangnan Construction Development Group Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-06-17
Anticipated expiration: 2032-03-09

Abstract

The utility model belongs to the technical field of the construction technology and specifically relates to a dig rig spray set for drill bit soon, it sprays the mechanism including setting up on the drilling rod of digging the rig soon, just it sets up between the drill bit and the unit head of digging the rig soon to spray the mechanism, it includes the support body, sets up a plurality of shower nozzles towards the drill bit direction on the support body, and is a plurality of the shower nozzle evenly sets up along drilling rod circumference on the support body, be equipped with the water supply mechanism that is used for supplying water for the shower nozzle on the support body. This application has the control watering evenly, improves the effect of dust removal.

Description

Spray device for drill bit of rotary drilling rig

Technical Field

The application relates to the technical field of building construction, in particular to a spraying device for a rotary drilling rig drill bit.

Background

At present, a rotary drilling rig is a comprehensive drilling rig and comprises a drill bit, a power head, a drill rod, an elevator and the like, can drill holes in various soil layers, and has the characteristics of high hole forming speed, strong maneuverability and the like. Wherein, the short auger bit carries out dry digging operation; the wet excavation operation can also be carried out by using a rotary drill bit under the condition of slurry retaining wall; or drilling a hard stratum by matching with a hammer and then performing hole digging operation; and the reaming operation can be carried out at the bottom of the hole by matching with a reaming head drilling tool. The rotary excavating machine adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time and low labor intensity, does not need slurry to discharge slag circularly, saves cost and is particularly suitable for the basic construction of urban construction.

During the initial drilling operation of the drill bit, namely when the drill bit initially contacts with the ground for drilling, a large amount of dust can be generated due to friction between the rotary drill bit and the ground, and because the dust contains a large amount of heavy metal element dust particles, the heavy metal element dust particles can move along with air and once enter a human respiratory system, the heavy metal element dust particles can be accumulated in alveolus to cause a series of diseases; in addition, the flying dust contains a large amount of bacteria and viruses, so that the propagation speed of the bacteria and the viruses can be greatly accelerated by the flying dust, and the health of people is seriously influenced. In the related art, a rotary drilling rig usually performs hole opening work on the ground directly, and manually performs water spraying work around a drill bit, so as to reduce the diffusion of raised dust.

However, in the related art, the water amount splashed by the manual watering method is not uniform enough, the dust removal effect is poor, and a large amount of dust can be generated when the rotary drilling rig drills holes.

SUMMERY OF THE UTILITY MODEL

In order to control the watering evenly, improve the dust removal effect, this application provides a dig rig spray set for drill bit soon.

The application provides a spray set for rotary drilling rig drill bit adopts following technical scheme:

the utility model provides a dig rig spray set for drill bit soon, is including setting up the mechanism that sprays on the drilling rod of digging the rig soon, just spray the mechanism and set up between the drill bit of digging the rig soon and the unit head, spray the mechanism and include the support body, set up a plurality of shower nozzles towards the drill bit direction on the support body, it is a plurality of the shower nozzle evenly sets up along drilling rod circumference on the support body, be equipped with the water supply mechanism that is used for supplying water for the shower nozzle on the support body.

By adopting the technical scheme, the water supply mechanism provides water sources for the spray heads, the uniformly arranged spray heads uniformly spray water mist above and around the drill bit, and water drops are combined with dust to increase weight and quickly fall down by utilizing gravity, so that the generation of raised dust is reduced, and the dust removal effect is improved; the spraying mechanism is arranged between the drill bit and the power head, and the influence on the normal work of the power box and the drill bit is reduced to the greatest extent.

Preferably, a connecting mechanism for detachable connection is arranged between the spray head and the frame body.

Through adopting above-mentioned technical scheme, the shower nozzle of removable setting is convenient for change, prolongs the life of equipment.

Preferably, coupling mechanism screws up the second pole in first pole bottom including the first pole and the screw thread of locating the support body bottom, the bottom of second pole is located to the shower nozzle, the spheroid has set firmly on the top of first pole, the ball groove has been seted up on the diapire of support body, the spheroid locate in the ball groove and with interference fit between the ball groove.

Through adopting above-mentioned technical scheme, the threaded connection of first pole and second pole realizes the shower nozzle removable on the support body, and the ball-type between first pole and the support body is connected the adjustment that realizes the shower nozzle and spray the angle to adapt to spraying of different drill bit sizes and all kinds of environment.

Preferably, the periphery of the connecting mechanism is provided with a protective mechanism for connecting protection.

Through adopting above-mentioned technical scheme, protection machanism is used for protecting coupling mechanism, improves the stability of connecting, reduces adverse circumstances to the influence of connection stability.

Preferably, the sliding sleeve is sleeved with a loop bar along the length direction of the drill rod, a locking mechanism used for locking the loop bar to slide is arranged on the loop bar, and the loop bar and the rack body are rotatably connected to enable the rack body to rotate around the loop bar in the circumferential direction.

By adopting the technical scheme, the height position of the rack body on the drill rod is adjusted by arranging the sleeve rod, so that the rack body can not generate interference influence on the subsequent drilling of the drill bit deep into the ground, and the locking mechanism realizes the locking of the height position of the rack body, so that a spray head on the rack body can stably work; during normal work, the drill rod drives the loop bar to rotate, and the rotation between loop bar and the support body is connected and is set up, makes the support body can stably place and not receive loop bar pivoted influence.

Preferably, the locking mechanism comprises a screw rod which is in threaded connection with the sleeve rod and used for tightly abutting against the peripheral wall of the drill rod, and an operating handle is arranged at the end part of the screw rod.

Through adopting above-mentioned technical scheme, the perisporium that the rotation handle made the screw rod support tight drilling rod to realize the locking of loop bar on the drilling rod.

Preferably, the drill rod is provided with a limiting piece for limiting the relative rotation of the sleeve rod and the drill rod.

By adopting the technical scheme, the limiting part can limit the rotation of the sleeve rod, so that the sleeve rod can not rotate relative to the drill rod in a non-locking state, and the condition that the sleeve rod rotates randomly is reduced.

Preferably, the water supply mechanism includes the water tank, set up inlet tube on the water tank, set up outlet pipe on the water tank, set up the water main on the support body, the water main with the outlet pipe intercommunication is a plurality of the shower nozzle all with the water main is linked together, be provided with the control valve on the outlet pipe.

Through adopting above-mentioned technical scheme, water flows to water supply main through the play water pipe on the water tank, finally flows to every shower nozzle through water supply main, realizes the water supply of all shower nozzles, and the control valve is used for controlling the work of shower nozzle, the moisturizing of the control water tank of also being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the uniformly arranged spray heads uniformly spray water mist above and around the drill bit, so that the spraying uniformity is realized, and the dust removal effect is improved;

2. the height positions of the frame body and the spray head are adjustable, so that the frame body can not generate interference influence on the subsequent drilling of the drill bit deep into the ground;

3. the detachable arrangement of the spray head is convenient for replacing the old spray head, and the purpose of prolonging the service life of the equipment is realized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a spray mechanism in an embodiment of the present application;

fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Description of reference numerals: 1. a spraying mechanism; 2. a drill stem; 3. a drill bit; 4. a power head; 5. a frame body; 6. a spray head; 7. a water supply mechanism; 8. a water tank; 9. a water inlet pipe; 10. a water outlet pipe; 11. a connecting mechanism; 12. a first lever; 13. a second lever; 14. a sphere; 15. a ball groove; 16. a flow channel; 17. a through groove; 18. a guard plate; 19. a loop bar; 20. a limiting member; 21. a screw; 22. an operating handle; 23. a bearing; 24. a water main; 25. and (4) controlling the valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a spray device for a drill bit of a rotary drilling rig.

As shown in fig. 1 and 2, the spraying device for the drill bit of the rotary drilling rig comprises a spraying mechanism 1, wherein the spraying mechanism 1 is arranged on a drill rod 2 of the rotary drilling rig and is arranged between a drill bit 3 and a power head 4 of the rotary drilling rig. The spraying mechanism 1 comprises a frame body 5, a plurality of spray heads 6 and a water supply mechanism 7. A plurality of spray heads 6 are arranged on the frame body 5 in a uniform circumferential manner, and the frame body 5 is arranged around the drill rod 2 as a center line. The water supply mechanism 7 is used for providing water sources for all the spray heads 6, so that the uniformly arranged spray heads 6 uniformly spray the drill bits 3, and the generated dust is sprayed to the maximum extent when the drill bits 3 are initially rubbed with the ground, so that the harm to a human body is reduced.

Further, in the present application, the frame body 5 is a circular frame. Based on the same inventive concept, the frame body 5 can be set to be in various shapes, such as a symmetrical polygon like a quadrangle or a hexagon, and can also be in an asymmetrical shape, but the spray heads 6 need to be uniformly and circumferentially arranged. And support body 5 also can be for platelike setting, square board or polygonal board etc. all can, and this application does not make the restriction to support body 5's shape and style.

Further, as shown in fig. 2 and 3, in the present application, the number of the spray heads 6 is eight, and eight spray heads 6 are all mounted on the bottom wall of the frame body 5. The number of spray heads 6 may also be set to be higher, for example sixteen, etc., based on the same inventive concept, and the application does not limit the number of spray heads 6. The spray head 6 can also be mounted on the peripheral wall or the top of the frame body 5, and based on the same inventive concept, the application does not limit the mounting position of the spray head 6 on the frame body 5.

As shown in fig. 3 and 4, the water supply mechanism 7 includes a water tank 8, an inlet pipe 9, an outlet pipe 10, and a water supply manifold 24. Wherein, 8 fixed mounting of water tank on support body 5, inlet tube 9 fixed connection are on 8 water tanks, and outlet pipe 10 fixed connection is on 8 water tanks, and water main 24 fixed mounting is on support body 5, and outlet pipe 10 is linked together with water main 24, and water main 24 all communicates with all shower nozzles 6, so realize the water supply of 8 water tanks to all shower nozzles 6. The water outlet pipe 10 is provided with a control valve 25, and the control valve 25 realizes the connection or disconnection of the water outlet pipe 10 so as to achieve the purpose of controlling the operation of the spray head 6.

As shown in fig. 2 and 4, further, in the present application, the water tank 8 is fixed at the top end of the frame body 5, the water inlet pipe 9 is fixed at the top of the water tank 8, and the water outlet pipe 10 is fixed at the side wall of the water tank 8, based on the same inventive concept, the water tank 8 can be fixed at any position of the frame body 5, the water inlet pipe 9 can be fixed at the side wall of the water tank 8, and the water outlet pipe 10 can be fixed at the bottom of the water tank 8, and the fixing positions of the water tank 8, the water inlet pipe 9 and the water outlet pipe 10 are not limited in the present application. The control valve 25 may be any valve that can perform cutoff and conduction, such as a cutoff valve, a solenoid valve, and the like.

As shown in fig. 2 and 4, a connection mechanism 11 is further disposed between the spray head 6 and the frame body 5, and the connection mechanism 11 is used for achieving a detachable and replaceable function of the spray head 6 on the frame body 5. The connecting mechanism 11 includes a first rod 12 and a second rod 13. Wherein, the top fixedly connected with spheroid 14 of first pole 12, and seted up ball groove 15 on the diapire of support body 5, spheroid 14 rotates and interference fit sets up in ball groove 15, so the angular position of first pole 12 is adjustable and easily locks. The top end of the second rod 13 is connected with the bottom end of the first rod 12 through a thread, and the bottom end of the second rod 13 is fixedly connected with the spray head 6, so that the spray head 6 can be disassembled by unscrewing the second rod 13 from the first rod 12, and the spray head 6 can be installed on the frame body 5 by screwing the second rod 13 on the first rod 12. And the flow channel 16 is opened in the sphere 14, the first rod 12 and the second rod 13, the through groove 17 is opened on the frame body 5, and the water main pipe 24 is communicated with the flow channel 16 through the through groove 17, so that the water in the water tank 8 can flow into the spray head 6. By adjusting the angular position of the first rod 12, the orientation of the spray head 6 can be changed to accommodate spraying of different drill bit 3 sizes and various environments.

As shown in fig. 2 and 4, the periphery of the connection mechanism 11 is provided with a guard mechanism. The protection mechanism comprises a protection plate 18 sleeved on the first rod 12 and the second rod 13, the protection plate 18 is annularly arranged and used for protecting a connecting gap between the first rod 12 and the second rod 13, and the protection plate 18 can be detached from the first rod 12 and the second rod 13: the guard 18 can be removed from the second rod 13 by unscrewing the second rod 13 from the first rod 12.

As shown in fig. 2 and 4, the drill rod 2 is slidably sleeved with a sleeve rod 19 along the length direction of the drill rod 2, a limiting member 20 is fixedly connected to the circumferential wall of the drill rod 2, the limiting member 20 is arranged along the length direction of the drill rod 2, and the limiting member 20 is used for limiting the relative rotation between the sleeve rod 19 and the drill rod 2.

Furthermore, the sleeve rod 19 is provided with a locking mechanism, the locking mechanism comprises a screw 21 which is in threaded connection with the peripheral wall of the sleeve rod 19, and the length direction of the screw 21 is perpendicular to the length direction of the drill rod 2. An operating handle 22 is fixedly connected to the end of the screw rod 21, and the operating handle 22 is rotated to enable the screw rod 21 to be tightly abutted against the peripheral wall of the drill rod 2, so that the position of the loop bar 19 on the drill rod 2 is locked through friction force.

As shown in fig. 2 and 4, a bearing 23 is fixedly installed between the sleeve rod 19 and the frame body 5 to realize the rotational connection between the sleeve rod 19 and the frame body 5, so that when the sleeve rod 19 rotates along with the drill rod 2, the frame body 5 can be stably placed and is not influenced by the rotation of the sleeve rod 19.

The implementation principle is as follows:

by adding water into the water tank 8 and opening the control valve 25, water flows to the spray head 6 to uniformly spray the drill bit 3 during working, so that the effect of inhibiting dust emission is achieved; the position of the spray head 6 on the drill rod 2 is adjustable, so that when the drill bit 3 continues to go deep downwards, the spray head 6 cannot influence the normal work of the drill bit 3; the spray head 6 can be detachably arranged, so that the spray head is convenient to replace; the spray angle of the spray head 6 is adjustable, so that the drill bits 3 of different sizes can be conveniently sprayed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a spray set for rotary drilling rig drill bit which characterized in that: including setting up spraying mechanism (1) on rotary drilling rig's drilling rod (2), just spraying mechanism (1) sets up between rotary drilling rig's drill bit (3) and unit head (4), spraying mechanism (1) includes support body (5), sets up a plurality of shower nozzles (6) towards drill bit (3) direction on support body (5), and is a plurality of shower nozzle (6) are evenly set up along drilling rod (2) circumference on support body (5), be equipped with on support body (5) and be used for supplying water for shower nozzle (6) water supply mechanism (7).

2. The spraying device for the drill bit of the rotary drilling rig according to claim 1, wherein: a connecting mechanism (11) used for detachable connection is arranged between the spray head (6) and the frame body (5).

3. The spraying device for the drill bit of the rotary drilling rig according to claim 2, wherein: coupling mechanism (11) are including first pole (12) and the second pole (13) of screw thread tightening in first pole (12) bottom of locating support body (5) bottom, the bottom of second pole (13) is located in shower nozzle (6), the top of first pole (12) has set firmly spheroid (14), ball groove (15) have been seted up on the diapire of support body (5), spheroid (14) locate in ball groove (15) and with ball groove (15) between interference fit.

4. The spraying device for the drill bit of the rotary drilling rig according to claim 2, wherein: and a protection mechanism for connection protection is arranged on the periphery of the connecting mechanism (11).

5. The spraying device for the drill bit of the rotary drilling rig according to claim 1, wherein: the drill rod (2) is gone up and is slided the cover along drill rod (2) length direction and be equipped with loop bar (19), be equipped with the locking mechanical system that is used for locking loop bar (19) and slides on loop bar (19), rotate between loop bar (19) and support body (5) and be connected so that support body (5) are around loop bar (19) circumferential direction.

6. The spraying device for the drill bit of the rotary drilling rig according to claim 5, wherein: the locking mechanism comprises a screw rod (21) which is in threaded connection with the sleeve rod (19) and used for tightly abutting against the peripheral wall of the drill rod (2), and an operating handle (22) is arranged at the end part of the screw rod (21).

7. The spraying device for the drill bit of the rotary drilling rig according to claim 5, wherein: the drill rod (2) is provided with a limiting piece (20) used for limiting the relative rotation between the sleeve rod (19) and the drill rod (2).

8. The spraying device for the drill bit of the rotary drilling rig according to claim 1, wherein: water supply mechanism (7) include water tank (8), set up inlet tube (9) on water tank (8), set up outlet pipe (10) on water tank (8), set up water main (24) on support body (5), water main (24) with outlet pipe (10) intercommunication, it is a plurality of shower nozzle (6) all with water main (24) are linked together, be provided with control valve (25) on outlet pipe (10).