CN216767308U - Carriage of roofbolter and roofbolter - Google Patents

Abstract

The utility model relates to the technical field of engineering machinery, in particular to a sliding frame of a jumbolter and the jumbolter. Roofbolter's carriage is suitable for setting up on the mast and be located the unit head and protect between the section of thick bamboo, and the carriage includes: the sliding frame body is arranged on the mast in a sliding manner; the support frame body is arranged on one side, far away from the mast, of the sliding frame body and is suitable for the auger stem to penetrate through and support the auger stem; wherein, the sliding frame body is in rolling contact or rolling connection with the mast. The sliding frame can move up and down, the support frame body of the sliding frame supports the part between the two ends of the spiral drill rod, the spiral drill rod cannot bend and deform downwards under the influence of gravity, the hole forming quality is ensured, inclined holes or eccentric holes are effectively avoided, the construction quality is further ensured, the sliding frame body is in rolling contact or rolling connection with the mast, the abrasion of the sliding frame body can be reduced, and the phenomenon that the sliding frame is clamped due to large friction force in the moving process is also avoided.

Description

Carriage of roofbolter and roofbolter

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a sliding frame of a jumbolter and the jumbolter.

Background

At present jumbolter, the lower extreme installation at auger stem protects a section of thick bamboo as the support usually, under the condition of not connecting the pole, and the single depth of penetration is no longer than 8M, when carrying out the single depth of penetration more than 8M and drilling, auger stem receives the influence of gravity, can be bending deformation downwards, influences the pore-forming quality, causes inclined hole or inclined hole, seriously influences construction quality.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that the drilling machine in the prior art can deform downwards due to the action of gravity when a spiral drill rod is subjected to single-time deep drilling of more than 8M so as to influence the hole forming quality, and provides the sliding frame of the anchor rod drilling machine and the anchor rod drilling machine.

In order to solve the above problems, the present invention provides a carriage for an anchor drill adapted to be disposed on a mast between a power head and a casing, the carriage comprising: the sliding frame body is arranged on the mast in a sliding manner; the support frame body is arranged on one side of the sliding frame body, which is far away from the mast, and is suitable for the auger stem to pass through and support the auger stem; wherein, the sliding frame body is in rolling contact or rolling connection with the mast.

Optionally, the mast has a guide rail, and the sliding frame body is provided with a rolling structure in rolling fit with the guide rail.

Optionally, the rolling structure comprises a lower rolling portion, and the lower rolling portion is in rolling fit with the first surface of the guide rail.

Optionally, the lower scroll part includes: the lower fixing plate is fixed on the sliding frame body and is provided with a plurality of rolling grooves which are distributed along the sliding direction of the sliding frame body; the lower rollers are arranged corresponding to the plurality of rolling grooves and can be rotatably arranged in the corresponding rolling grooves, and the lower rollers are in rolling fit with the first surface of the guide rail; and the upper fixing plate is fixed on the lower fixing plate and is provided with an opening through which the top of the lower roller penetrates.

Optionally, the support frame body is in an arc shape or a V shape which is arched and bent downwards, and/or the sliding frame body is in a box-type structure.

Optionally, the rolling structure further comprises an upper rolling part, and the upper rolling part is in rolling fit with the second surface of the guide rail.

Optionally, the upper scrolling part includes: the upper roller carrier is fixed on the sliding carrier body; and the upper wheel shaft is rotatably arranged on the upper roller carrier and is in rolling fit with the second surface of the guide rail.

Optionally, the sliding frame further includes two side sliding plates disposed oppositely, and the two side sliding plates are in sliding fit with the third surface and the fourth surface of the guide rail correspondingly.

The utility model also provides an anchor rod drilling machine which comprises a mast, a power head and the sliding frame.

Optionally, the sliding frame is connected with the power head through a connecting piece.

The utility model has the following advantages:

1. when carrying out the deep drilling of single advance more than 8M, the carriage can the up-and-down motion, the support body of carriage supports the part between auger stem's the both ends, auger stem receives the influence of gravity can not take place downward bending deformation, guarantee the pore-forming quality, inclined hole or inclined hole appear in effectual avoiding, and then guarantee construction quality, and slip support body and mast rolling contact or roll connection, can reduce the wearing and tearing of slip support body, the sliding frame has also been avoided in the motion process because of receiving great frictional force to take place the jamming phenomenon.

2. The mast is provided with a guide rail, and the sliding frame body is provided with a rolling structure which is in rolling fit with the guide rail. The rolling structure is matched with the guide rail in a rolling manner, so that the friction resistance between the sliding frame and the mast is reduced, and the phenomenon that the sliding frame is clamped due to large friction in the movement process is avoided.

3. The rolling structure comprises a lower rolling part, the lower rolling part is matched with the first surface of the guide rail in a rolling manner, namely the lower rolling part is arranged at the position where the bottom of the guide rail of the sliding frame body and the bottom of the guide rail of the mast are contacted, so that the friction resistance between the sliding frame and the mast is effectively reduced, and the sliding frame can be guaranteed to move on the mast smoothly.

4. The lower scroll part includes: the lower fixing plate is fixed on the sliding frame body and is provided with a plurality of rolling grooves, and the rolling grooves are distributed along the sliding direction of the sliding frame body; the plurality of lower rollers and the plurality of rolling grooves are correspondingly arranged and can be rotatably arranged in the corresponding rolling grooves, and the lower rollers are in rolling fit with the first surface of the guide rail; the upper fixing plate is fixed on the lower fixing plate and is provided with an opening through which the top of the lower roller penetrates. Because the stress of the lower rolling part is smaller, the sliding requirement can be met by adopting the structure of the lower roller and the rolling groove. Because the bottom of carriage need dodge parts such as hydro-cylinder, the size of carriage can not be too big, adopts bottom plate and fixed running roller of an upper fixed plate for the thickness size of roll portion is smaller down, guarantees that the carriage can not take place to interfere with parts such as hydro-cylinder.

5. The support frame body is arc or V-arrangement that the arch is crooked downwards, and the spiral drill pipe is conveniently supported to the support frame body of arc or V-arrangement, can adapt to the spiral drill pipe of unidimensional not.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 shows a perspective view of a carriage according to an embodiment of the present invention;

fig. 2 shows a perspective view of the lower roll of the carriage of fig. 1;

FIG. 3 shows an exploded view of the lower scroll portion of FIG. 2;

fig. 4 shows a perspective view of the upper roll of the carriage of fig. 1;

FIG. 5 shows a front view of the carriage of FIG. 1;

FIG. 6 shows a schematic front view of a jumbolter according to an embodiment of the present invention;

fig. 7 shows a schematic view of the carriage and power head of the jumbolter of fig. 6 at the lower end of the mast.

Description of reference numerals:

10. a carriage; 11. a sliding frame body; 12. a support frame body; 13. a lower rolling section; 131. a lower fixing plate; 1311. rolling a groove; 132. a lower roller; 133. an upper fixing plate; 1331. an opening; 14. an upper rolling section; 141. an upper roller frame; 142. an upper wheel axle; 15. a side slide plate; 20. a mast; 21. a guide rail; 211. a first surface; 212. a second surface; 213. a third surface; 214. a fourth surface; 30. a power head; 40. a connecting member; 50. a auger stem; 60. and (7) protecting the cylinder.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 5-7, the carriage 10 of the jumbolter of the present embodiment is adapted to be disposed on the mast 20 between the power head 30 and the casing 60, the carriage 10 including: a sliding frame body 11 and a supporting frame body 12, wherein the sliding frame body 11 is slidably arranged on the mast 20; the support frame 12 is disposed at a side of the slide frame 11 away from the mast 20, and the support frame 12 is adapted to pass the auger pipe 50 therethrough and support the auger pipe 50; wherein, the sliding frame body 11 is in rolling contact with or connected with the mast 20.

Use the carriage of this embodiment, when carrying out the single deep drilling more than 8M, carriage 10 can the up-and-down motion, carriage 10's support 12 supports the part between auger stem 50's the both ends, auger stem 50 receives the influence of gravity and can not take place downward bending deformation, guarantee the pore-forming quality, inclined hole or inclined hole appear in the effectual avoidance, and then guarantee construction quality, and slip support 11 and 20 rolling contact of mast or roll connection, can reduce the wearing and tearing of slip support 11, the sliding frame has also been avoided taking place the jamming phenomenon because of receiving great frictional force in the motion process.

In order to avoid the situation that the sliding frame 10 is stuck on the guide rail 21 of the mast when the sliding frame 10 is not parallel to the guide rail 21 of the mast 20 due to the pulling force of the power head 30 on the sliding frame 10, in the present embodiment, the mast 20 has the guide rail 21, and the sliding frame 11 is provided with a rolling structure which is in rolling fit with the guide rail 21. The rolling structure is matched with the guide rail 21 in a rolling way, so that the friction resistance between the sliding frame 10 and the mast 20 is reduced, and the phenomenon that the sliding frame is clamped due to large friction force in the moving process is avoided.

In the embodiment, as shown in fig. 1 to 3, the rolling structure includes the lower rolling portion 13, and the lower rolling portion 13 is in rolling engagement with the first surface 211 of the guide rail 21, that is, the lower rolling portion 13 is disposed at a position where the sliding frame body 11 contacts with the bottom of the guide rail 21 of the mast 20, so that the frictional resistance between the sliding frame 10 and the mast 20 is effectively reduced, and the sliding frame 10 can be ensured to smoothly move on the mast 20.

In the present embodiment, the lower scroll portion 13 includes: the lower fixing plate 131, the plurality of lower rollers 132 and the upper fixing plate 133, the lower fixing plate 131 is fixed on the sliding frame body 11 and has a plurality of rolling slots 1311, and the plurality of rolling slots 1311 are arranged along the sliding direction of the sliding frame body 11; the plurality of lower rollers 132 are arranged corresponding to the plurality of rollers 1311 and rotatably arranged in the corresponding rollers 1311, and the lower rollers 132 are in rolling engagement with the first surface 211 of the guide rail 21; the upper fixing plate 133 is fixed to the lower fixing plate 131 and has an opening 1331 through which the top of the lower roller 132 passes. Since the lower rolling part 13 is less stressed, the sliding requirements can be satisfied by adopting the structure of the lower roller 132 and the rolling groove 1311. Because the bottom of the sliding frame 10 needs to avoid components such as an oil cylinder and the like, the size of the sliding frame 10 cannot be overlarge, and the lower roller wheel 132 is fixed by the lower fixing plate 131 and the upper fixing plate 133, so that the thickness of the lower rolling part 13 is smaller, and the sliding frame 10 cannot interfere with the components such as the oil cylinder and the like. It is understood that in other embodiments, the lower roller 132 may be replaced with a ball or the like.

Preferably, the two lower rolling portions 13 are provided, and the two lower rolling portions 13 are correspondingly engaged with the two edges of the first surface 211 of the guide rail 21, so that the carriage 10 is more stably moved.

In this embodiment, the upper fixing plate 133 and the lower fixing plate 131 are detachably coupled, so that the lower roller 132 can be conveniently replaced when the lower roller 132 is seriously worn. Specifically, the upper fixing plate 133 and the lower fixing plate 131 are connected by a fastener, which is a screw or a bolt, and the screw or the bolt penetrates through the upper fixing plate 133 to be screwed with the threaded hole of the lower fixing plate 131. It is understood that in other embodiments, the upper fixing plate 133 and the lower fixing plate 131 are connected by a snap-fit, welding, etc. connection.

In the present embodiment, as shown in fig. 1 and 5, the support frame 12 has a downwardly arched shape, and the arched support frame 12 is convenient for supporting the auger 50 and can be adapted to augers of different sizes. Preferably, the arc degree corresponding to the arc-shaped support frame 12 is greater than 180 degrees. It is understood that in other embodiments, the support frame 12 is V-shaped.

In this embodiment, the slip support body 11 is the box structure, because auger stem 50's weight is heavier, supports auger stem 50 for satisfying the carriage, and the preparation of being convenient for is supported by slip support body 11 to the box structure, and whole bearing capacity is high, stable in structure.

In the present embodiment, as shown in fig. 1 and 4, the rolling structure further includes an upper rolling portion 14, and the upper rolling portion 14 is in rolling engagement with the second surface 212 of the guide rail 21. When the sliding frame 10 is subjected to the gravity of the auger stem 50 and the pulling force of the power head 30 to move up or down integrally, the upper rolling part 14 is in rolling fit with the second surface 212 of the guide rail 21, so that the friction resistance between the sliding frame 10 and the mast 20 can be greatly reduced, and the sliding frame is effectively prevented from being jammed.

In the present embodiment, the upper scroll portion 14 includes: an upper roller frame 141 and an upper roller shaft 142, wherein the upper roller frame 141 is fixed on the sliding frame body 11; upper axle 142 is rotatably disposed on upper roller frame 141 and is in rolling engagement with second surface 212 of track 21. The upper rolling part 14 has a simple structure and is convenient to use.

Preferably, the upper axle 142 further includes an upper roller and an axle body integrally formed or connected with each other, the upper axle 142 is mounted on the upper roller frame 141 through a bearing, the diameter of the upper roller is larger than that of the lower roller 132, that is, the upper roller is a large roller, and the arrangement of the large roller and the bearing can avoid the problem of stress concentration failure when the large roller is subjected to a heavy stress condition. Because the contact between the upper wheel axle 142 and the guide rail 21 is line contact, in order to avoid the deviation of the sliding frame 10 during sliding, the number of the upper wheel axles 142 is two, namely, double rollers are adopted, and the structural stability of the sliding frame is improved.

In this embodiment, two upper rolling portions 14 are provided, and the two upper rolling portions 14 are correspondingly engaged with two edges of the second surface 212 of the guide rail 21, so that the sliding frame 10 can move more stably.

In the present embodiment, as shown in fig. 5, the sliding rack further includes two oppositely disposed side sliding plates 15, and the two side sliding plates 15 are respectively in sliding fit with the third surface 213 and the fourth surface 214 of the guide rail 21. The side sliding plate 15 can resist sliding frame side movement caused by vibration, sliding frame side movement caused by uneven stress when the sliding frame is vibrated is effectively avoided, the whole center is kept at the center of the mast, and the supporting stability of the sliding frame is improved.

As an alternative embodiment, the specific structures of the upper rolling part and the lower rolling part can be interchanged according to the upper and lower stress conditions of the sliding frame.

The present invention also provides an anchor drilling rig, as shown in fig. 6 and 7, including a mast 20, a power head 30, and a carriage as described above.

In the present embodiment, the sliding frame is connected to the power head 30 through the connecting member 40, and after the sliding frame 10 is connected to the power head 30 through the connecting member 40, the sliding frame 10 follows the power head 30 to move up and down. Preferably, the connecting member 40 is a flexible connecting structure such as a connecting rope or a connecting chain. Specifically, the connecting rope is a steel wire rope or the like. It will be appreciated that, as an alternative embodiment, the carriage 10 may be connected to the wireline of one winch and the power head 30 may be connected to the wireline of another winch, with the carriage 10 and power head 30 being controlled to move up and down by distributed control of the two winches.

In the present embodiment, as shown in fig. 6 and 7, the jumbolter further includes an auger stem 50 and a casing 60, when the power head 30 is located at the upper end of the mast 20, the power head 30 supports the upper end of the auger stem 50, the casing 60 supports the lower end of the auger stem 50, the carriage 10 supports the middle portion of the auger stem 50, the carriage 10 can move downward along with the power head 30, and when the carriage 10 slides to abut against the casing 60, the carriage 10 does not move downward any more, and the power head 30 can move downward continuously.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. carriage 10 includes slip support body 11 and support body 12, and carriage 10 follows unit head 30 and accomplishes the up-and-down motion, supports the part between the both ends that support body 12 supported auger stem 50, and auger stem 50 receives the influence of gravity and can not take place downward bending deformation, and the effectual gravity of avoiding because of auger stem influences the pore-forming degree of depth, pore-forming quality, guarantees the pore-forming quality, and inclined hole or inclined hole appear in the effectual avoidance, and then guarantees construction quality.

2. An upper rolling part 14, a lower rolling part 13 and side sliding plates 15 are respectively arranged on the surfaces of the sliding frame body 11 matched with the guide rail 21 of the mast 20, the upper rolling part 14 is positioned above the guide rail 21, the lower rolling part 13 is positioned below the guide rail 21, the side sliding plates 15 are positioned at two sides of the guide rail 21, the upper rolling part 14 and the lower rolling part 13 can overcome the defect that self-locking is generated due to the fact that the gravity of a spiral drill rod and the sliding friction force caused by the pulling force of a power head are increased, the side sliding plates 15 can resist the sliding frame side movement caused by vibration, the whole center is always positioned at the center of the mast, and the stability of support is improved.

3. Because the weight of auger stem 50 is heavier, in order to satisfy its support, the slip support body 11 adopts the box structure, and the preparation of being convenient for, whole bearing capacity is high, and stable in structure improves whole load-carrying capacity. The support frame 12 is arc-shaped or V-shaped, and the support frame 12 is used for supporting the auger stem 50 and can be adapted to auger stems of different sizes.

4. After the sliding frame 10 is connected with the power head 30 through a steel wire rope or a chain, when the sliding frame 10 slides downwards along with the power head 30, the whole structure can be completed by mechanical transmission, and the cost is low.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims (10)

1. A carriage for an anchor-bolter adapted to be disposed on a mast (20) between a power head (30) and a casing (60), the carriage comprising:

a sliding frame body (11) which is arranged on the mast (20) in a sliding way;

a support frame (12) arranged on one side of the sliding frame (11) far away from the mast (20), wherein the support frame (12) is suitable for an auger (50) to pass through and support the auger (50);

wherein the sliding frame body (11) is in rolling contact with or in rolling connection with the mast (20).

2. The carriage according to claim 1, characterized in that said mast (20) has a guide rail (21), said carriage body (11) being provided with a rolling structure in rolling engagement with said guide rail (21).

3. The carriage according to claim 2, characterized in that said rolling structure comprises a lower rolling portion (13), said lower rolling portion (13) being in rolling engagement with a first surface (211) of said guide rail (21).

4. The carriage according to claim 3, characterized in that said lower rolling portion (13) comprises:

the lower fixing plate (131) is fixed on the sliding frame body (11) and is provided with a plurality of rolling grooves (1311), and the rolling grooves (1311) are distributed along the sliding direction of the sliding frame body (11);

a plurality of lower rollers (132) which are arranged corresponding to the plurality of rolling grooves (1311) and rotatably arranged in the corresponding rolling grooves (1311), wherein the lower rollers (132) are in rolling fit with the first surface (211) of the guide rail (21);

and the upper fixing plate (133) is fixed on the lower fixing plate (131) and is provided with an opening (1331) for the top of the lower roller (132) to penetrate out.

5. The carriage according to any of the claims from 1 to 4, characterised in that the support frame (12) is arched or V-shaped curved downwards and/or in that the sliding frame (11) is of box-type construction.

6. The carriage according to any of the claims 2 to 4, characterised in that said rolling structure further comprises an upper rolling portion (14), said upper rolling portion (14) being in rolling engagement with a second surface (212) of said guide rail (21).

7. The carriage according to claim 6, characterized in that said upper rolling portion (14) comprises:

the upper roller carrier (141) is fixed on the sliding carrier body (11);

an upper axle (142) rotatably disposed on the upper roller frame (141) and in rolling engagement with the second surface (212) of the rail (21).

8. The carriage according to any one of claims 2 to 4, characterized in that it further comprises two oppositely disposed side slides (15), the two side slides (15) being in sliding engagement with a corresponding third surface (213) and a corresponding fourth surface (214) of the guide rail (21), respectively.

9. An anchor drilling machine, characterized by comprising a mast (20), a power head (30) and a carriage according to any one of claims 1 to 8.

10. The jumbolter according to claim 9, wherein the carriage is connected to the power head (30) by a connector (40).

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