CN217055054U

CN217055054U - Roofbolter drilling rod structure and roofbolter that hole was prevented collapsing

Info

Publication number: CN217055054U
Application number: CN202220160323.7U
Authority: CN
Inventors: 刘勇; 孙仲启; 李翠芝; 邢红星; 高志昊; 赵永峰; 田汉卿
Original assignee: ZHONGJI DEVELOPMENT CONSTRUCTION ENGINEERING CO LTD
Current assignee: ZHONGJI DEVELOPMENT CONSTRUCTION ENGINEERING CO LTD
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-26
Anticipated expiration: 2032-01-20

Abstract

The application relates to a drilling rod structure for preventing a hole from collapsing of a jumbolter and the jumbolter, which belong to the technical field of jumbolters, and the drilling rod structure for preventing the hole from collapsing of the jumbolter comprises a fixed drilling rod and a movable drilling rod, wherein the movable drilling rod and the fixed drilling rod are respectively hollow drilling rods, and the fixed drilling rod is communicated with the movable drilling rod; the grouting mechanism is used for grouting into the fixed drill rod and the movable drill rod. This application can improve the technical problem that sand bed side slope drilling collapses easily.

Description

Roofbolter drilling rod structure and roofbolter that hole was prevented collapsing

Technical Field

The application relates to the field of jumbolters, in particular to a drill rod structure of a collapse-proof hole of a jumbolter and the jumbolter.

Background

The anchor bolt support is a reinforcing support mode adopted in surface engineering such as side slopes and rock-soil deep foundation pits and underground chamber construction such as tunnels and stopes. In the anchor rod construction process, drilling needs to be carried out on the side slope, then the anchor rod is inserted, and then grouting is carried out.

At present, when carrying out the stock construction in the sand bed, drilling is accomplished, pulls out the back with the drilling rod, and the condition that produces the drilling collapse easily takes place, causes the unable normal clear of stock construction, delays the construction progress.

SUMMERY OF THE UTILITY MODEL

In order to improve the easy technical problem that collapses of sand bed side slope drilling, this application provides a jumbolter and drilling rod structure in hole and jumbolter that collapse was prevented.

First aspect, the application provides a jumbolter prevents drilling rod structure in hole that collapses adopts following technical scheme:

a drill rod structure of an anti-collapse hole of an anchor rod drilling machine comprises a fixed drill rod and a movable drill rod, wherein the movable drill rod and the fixed drill rod are respectively hollow drill rods, and the fixed drill rod is communicated with the movable drill rod; the grouting mechanism is used for grouting into the fixed drill rod and the movable drill rod.

Through adopting above-mentioned technical scheme, after drilling is accomplished, the in-process of extracting the drilling rod carries out the slip casting through slip casting mechanism in to fixed drilling rod and removal drilling rod, removes the drilling rod at last and extracts the back, pours into full cement slurry in the drilling, then inserts the stock again, pours into cement slurry back into the drilling, and the cement slurry can carry out the bearing to the drilling, avoids the drilling to collapse, influences the stock construction.

Optionally, the grouting mechanism includes a grouting box body, the grouting box body is sleeved on the fixed drill rod, a grout inlet is formed in the fixed drill rod, the grout inlet is located in the grouting box body, a grout conveying pipe is further connected to the grouting box body, the grout conveying pipe is communicated with the grouting box body, and one end, far away from the grouting box body, of the grout conveying pipe is connected with a grouting pump.

Through adopting above-mentioned technical scheme, carry grout in to defeated thick liquid box through the grouting pump, then during grout flows into fixed drilling rod and removal drilling rod through advancing the thick liquid hole, carry out the slip casting in to drilling, the slip casting mode is simple, the operation of being convenient for to slip casting mechanism simple structure, the equipment of being convenient for.

Optionally, the two sides of the slurry conveying box body are respectively provided with a lip-shaped sealing ring, and the lip-shaped sealing ring is sleeved on the fixed drill rod.

By adopting the technical scheme, the lip-shaped sealing ring has a sealing effect on the box body, and when the fixed drill rod rotates, cement slurry is prevented from flowing out of the grout conveying box body.

Optionally, a gland is fixedly arranged on each of two sides of the slurry conveying box body, and the lip-shaped sealing ring is covered by the gland.

Through adopting above-mentioned technical scheme, the gland can play the guard action to the lip seal, prevents that the lip seal from destroying to the gland can play the fixed action to the lip seal, makes the installation of lip seal more firm.

Optionally, two sides of the slurry conveying box body are respectively provided with a fixing ring, and the lip-shaped sealing ring is embedded between the fixed drill rod and the fixing ring; the gland is in threaded connection with the fixing ring.

Through adopting above-mentioned technical scheme, solid fixed ring can make the installation of lip seal more firm to for the gland provides the mounted position, make the gland be convenient for ann tear open, be convenient for change lip seal.

Optionally, a flange is arranged on the end port of the gland, a rubber pad is adhered to one surface of the flange close to the slurry conveying box body, and the rubber pad is attached to the slurry conveying box body.

Through adopting above-mentioned technical scheme, the rubber pad can further play sealed effect, avoids grout to flow out from the defeated thick liquid box.

Optionally, the fixed drill rod is in threaded connection with the movable drill rod.

In a second aspect, the application provides an anchor rod drilling machine, which adopts the following technical scheme:

a jumbolter comprises the drill rod structure.

By adopting the technical scheme, after drilling is completed, when the drill rod is pulled out, grouting is performed in the drill hole through the drill rod structure, and after the drill rod is moved and completely pulled out, the drill hole is filled with cement slurry, so that the cement slurry can bear the drill hole, collapse of the drill hole is avoided, anchor rod construction is influenced, and the construction period is delayed.

Optionally, the drilling rod structure comprises a motor and a gearbox, the motor is in transmission connection with an input shaft of the gearbox, and an output shaft of the gearbox is in transmission connection with a fixed drilling rod in the drilling rod structure.

Optionally, the drilling rod structure comprises a sliding rail, a sliding platform is slidably mounted on the sliding rail, and the motor, the gearbox and the slurry conveying box body in the drilling rod structure are respectively and fixedly connected to the sliding platform.

Through adopting above-mentioned technical scheme, fix motor, gearbox and defeated thick liquid box respectively on sliding platform, the drilling rod structure is fixed more firm.

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

1. after drilling is completed and the drill rod is pulled out, grouting is carried out in the fixed drill rod and the movable drill rod through the grouting mechanism, after the last movable drill rod is pulled out, cement slurry is filled in the drill hole, then the anchor rod is inserted, and after the cement slurry is injected into the drill hole, the cement slurry can support the drill hole, so that collapse of the drill hole is avoided, and anchor rod construction is not influenced;

2. cement slurry is conveyed into the slurry conveying box body through the grouting pump, then the cement slurry flows into the fixed drill rod and the movable drill rod through the slurry inlet hole, grouting is performed in the drilled holes, the grouting mode is simple, operation is convenient, and the grouting mechanism is simple in structure and convenient to assemble;

3. the lip-shaped sealing ring has a sealing effect on the box body, and when the fixed drill rod rotates, cement paste is prevented from flowing out of the grout conveying box body.

Drawings

Fig. 1 is a schematic perspective view of the present application.

Fig. 2 is a cross-sectional structural view of a drill rod structure in the present application.

Description of the reference numerals: 1. fixing the drill rod; 11. a slurry inlet hole; 2. moving the drill rod; 3. a grouting mechanism; 31. a pulp conveying box body; 32. a pulp conveying pipe; 33. grouting pump; 4. a lip-shaped seal ring; 5. a gland; 51. flanging; 511. a rubber pad; 6. a gearbox; 7. a motor; 8. a power mechanism; 9. a slide rail; 10. a sliding platform.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a drilling rod structure in roofbolter anti-collapse hole. Referring to fig. 1, a drill rod structure of a collapse-proof hole of a jumbolter includes a fixed drill rod 1, a plurality of movable drill rods 2, and a grouting mechanism 3.

The fixed drill rod 1 and the movable drill rod 2 are both hollow drill rods, and helical blades are fixedly sleeved on the peripheral surface of the movable drill rod 2; the movable drill rod 2 and the fixed drill rod 1 are coaxially arranged, the movable drill rod 2 is in threaded connection with the fixed drill rod 1, and the movable drill rod 2 is communicated with the fixed drill rod 1.

Referring to fig. 1 and 2, the grouting mechanism 3 includes a grouting box 31, opposite side walls of the grouting box 31 are respectively provided with a hole, the fixed drill rod 1 is inserted into the hole, the grouting box 31 is further connected with a grouting pipe 32, the grouting pipe 32 is communicated with the grouting box 31, one end of the grouting pipe 32 far away from the grouting box 31 is connected with a grouting pump 33, and cement slurry can be pumped into the grouting box 31 through the grouting pump 33; a grout inlet hole 11 is formed in the fixed drill rod 1, the grout inlet hole 11 is formed in the position located inside the grout conveying box body 31, the grout is pumped into the grout conveying box body 31 through the grout inlet hole 11 by the grouting pump 33, and then the grout is injected into the fixed drill rod 1 and the movable drill rod 2 through the grout inlet hole 11, so that the grout is injected into the drilled hole.

The two sides of the slurry conveying box body 31 are respectively provided with a lip-shaped sealing ring 4, the lip-shaped sealing ring 4 is sleeved on the fixed drill rod 1, the lip-shaped sealing ring 4 is attached to the slurry conveying box body 31, the two sides of the box body are respectively and fixedly provided with a fixing ring, one port of the fixing ring is fixed on the side wall of the slurry conveying box body 31, and the lip-shaped sealing ring 4 is embedded between the fixing ring and the fixed drill rod 1, so that the installation of the lip-shaped sealing ring 4 is more stable.

Still be provided with gland 5 respectively in defeated thick liquid box 31 both sides, gland 5 is one end confined tubular structure, is provided with the external screw thread on solid fixed ring outer wall, is provided with the internal thread that corresponds with the external screw thread on gland 5's inner wall, twists gland 5 on solid fixed ring, makes gland 5 cover lip seal 4, plays the guard action to lip seal 4 to gland 5 and solid fixed ring threaded connection are convenient for ann tear open, thereby are convenient for change lip seal 4. A flange 51 is integrally formed at the end, close to the slurry conveying box body 31, of the gland 5, a rubber pad 511 is adhered to one surface, facing the slurry conveying box body 31, of the flange 51, and after the gland 5 is screwed into the fixing ring, the rubber pad 511 is tightly pressed by the flange 51 and the side wall of the slurry conveying box body 31, so that the sealing effect on the slurry conveying box body 31 is further improved.

The implementation principle of the drilling rod structure of the anchor rod drilling machine collapse-proof hole is as follows: when the side slope anchor rod is constructed, the drill rod structure is used for drilling, after the drilling is finished, the movable drill rod 2 is pulled out of the drilled hole, in the process of pulling out the movable drill rod 2, the grouting pump 33 is opened, cement slurry is conveyed into the slurry conveying box body 31, then the cement slurry is injected into the drilled hole through the fixed drill rod 1 and the movable drill rod 2, after the last movable drill rod 2 is pulled out of the drilled hole, the drilled hole is filled with the cement slurry, and then the anchor rod is inserted, so that the side slope anchor rod construction is finished; after cement slurry is injected into the drilled hole, the cement slurry can play a role in supporting the drilled hole, and the drilled hole is prevented from collapsing to influence anchor rod construction.

The application also discloses a jumbolter. Referring to fig. 1, a jumbolter includes a traveling track on which a movable arm and a hydraulic rod are installed, and the height and angle of the movable arm are adjusted by driving the movable arm by the hydraulic rod; a slide rail 9 is fixedly installed on the movable arm, a sliding platform 10 is installed on the slide rail 9 in a sliding mode, and the sliding platform 10 is provided with a motor 7, a gearbox 6 and the drill rod structure.

An output shaft of the motor 7 is connected to an input shaft of the gearbox 6 through a coupling, and one end, away from the movable drill rod 2, of the fixed drill rod 1 is fixedly connected to the output shaft of the gearbox 6 through the coupling, so that the motor 7 can drive the fixed drill rod 1 and the movable drill rod 2 to rotate; furthermore, the motor 7, the gearbox 6 and the slurry conveying box 31 are respectively and fixedly connected to the sliding platform 10, so that the drill rod structure is more stably installed.

And a power mechanism 8 is further arranged on the slide rail 9, and the power mechanism 8 drives the sliding platform 10 to slide on the slide rail 9 and is used for driving the movable drill rod 2 to drill and pulling out the movable drill rod 2.

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: equivalent changes in 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 jumbolter prevents drilling rod structure in hole that collapses which characterized in that: the drilling rod drilling machine comprises a fixed drilling rod (1) and a movable drilling rod (2), wherein the movable drilling rod (2) and the fixed drilling rod (1) are respectively hollow drilling rods, and the fixed drilling rod (1) is communicated with the movable drilling rod (2); the drilling device is characterized by further comprising a grouting mechanism (3), wherein the grouting mechanism (3) is used for grouting into the fixed drill rod (1) and the movable drill rod (2).

2. A roofbolter collapse resistant bore pipe structure according to claim 1, characterized in that: grouting mechanism (3) are including defeated thick liquid box (31), defeated thick liquid box (31) cover is established on fixed drilling rod (1), seted up into thick liquid hole (11) on fixed drilling rod (1), just it is located to advance thick liquid hole (11) defeated thick liquid box (31), still be connected with defeated thick liquid pipe (32) on defeated thick liquid box (31), defeated thick liquid pipe (32) with defeated thick liquid box (31) intercommunication, defeated thick liquid pipe (32) are kept away from the one end of defeated thick liquid box (31) is connected with grouting pump (33).

3. A structure of a rod of a collapse resistant hole of a roof bolter according to claim 2, wherein: two sides of the slurry conveying box body (31) are respectively provided with a lip-shaped sealing ring (4), and the lip-shaped sealing ring (4) is sleeved on the fixed drill rod (1).

4. A structure of a rod of a collapse resistant hole of a roof bolter according to claim 3, wherein: two sides of the pulp conveying box body (31) are respectively and fixedly provided with a gland (5), and the lip-shaped sealing ring (4) is covered by the gland (5).

5. A structure of a drill rod of a collapse resistant hole of a roof bolter according to claim 4, wherein: fixing rings are respectively arranged on two sides of the slurry conveying box body (31), and the lip-shaped sealing ring (4) is embedded between the fixed drill rod (1) and the fixing rings; the gland (5) is in threaded connection with the fixing ring.

6. A roof bolter collapse resistant bore pipe structure as defined in claim 5, wherein: a flange (51) is arranged on a port of the gland (5), a rubber pad (511) is adhered to one surface, close to the pulp conveying box body (31), of the flange (51), and the rubber pad (511) is attached to the pulp conveying box body (31).

7. A roofbolter collapse resistant bore pipe structure according to claim 1, characterized in that: the fixed drill rod (1) is in threaded connection with the movable drill rod (2).

8. A jumbolter, its characterized in that: comprising a drill rod structure according to any one of claims 1-7.

9. A roof bolter according to claim 8, wherein: the drilling rod structure comprises a motor (7) and a gearbox (6), wherein the motor (7) is in transmission connection with an input shaft of the gearbox (6), and an output shaft of the gearbox (6) is in transmission connection with a fixed drilling rod (1) in the drilling rod structure.

10. A roof bolter according to claim 9, wherein: including slide rail (9), slidable mounting has sliding platform (10) on slide rail (9), motor (7) gearbox (6) with defeated thick liquid box (31) in the drilling rod structure respectively fixed connection be in on sliding platform (10).