CN218991512U - Novel jumbolter support device - Google Patents

Abstract

The utility model relates to a coal mine tunnel struts technical field, specifically discloses a novel jumbolter struts device, and it is including supporting spare parts such as pneumatic cylinder, one-level arm, second grade arm, tertiary arm, connecting screw, nut, plane bearing, carousel mechanism and constitutes. The problem that the anchor rod drilling machine needs many people to cooperate operation among the prior art is solved to this scheme.

Description

Novel jumbolter support device

Technical Field

The utility model relates to the technical field of coal mine roadway support, in particular to a novel jumbolter support device.

Background

The roof bolter is tunnel anchor bolt supporting equipment for coal mines, and has outstanding advantages in the aspects of improving supporting effect, reducing cost, accelerating roadway forming speed, reducing auxiliary transportation quantity, reducing labor intensity, improving tunnel section utilization rate and the like.

There are hydraulic and pneumatic two kinds in the jumbolter, and it is comparatively general that the pneumatics is current pneumatic jumbolter when boring the stock hole, generally places pneumatic jumbolter in the country rock below that needs to bore the stock hole, fixes the stock of jumbolter head on the rock wall through the cylinder is flexible, and the restarting motor drives the rotatory drilling of stock into the country rock. In the drilling process, the motor runs at a high speed, so that the whole jumbolter vibrates to deviate, and the drill rod of the pneumatic jumbolter is easily deviated to enable positioning and punching to be impossible. Secondly, the weight of the roof bolter is heavier, three people are required to make resultant force to carry out drilling operation, one operator supports the roof bolter in a steady mode, the other operator adjusts the air leg of the pneumatic roof bolter to rise through a control button on an operating rod, the motor is started to carry out drilling operation after the top end of the roof bolter is contacted with surrounding rock, and the other operator is responsible for replacing the roof bolters with different length specifications so as to deepen the drilling step by step.

In addition, the angle of a drill rod cannot be flexibly adjusted by the existing pneumatic jumbolter, and the operation is inconvenient when the drill rod is drilled in an inclined hole, so that the drill machine is single in function and limited in use scene. In order to relieve fatigue of a manual operation pneumatic jumbolter, a supporting device is required to support the jumbolter, but the existing supporting device is mostly integrated, has large volume and inconvenient carrying and placement, and is inconvenient to use, so that the novel combined supporting device of the adaptive liquid and pneumatic jumbolter is provided to solve the problem.

Disclosure of Invention

The utility model provides a novel roof bolter supporting device, which aims to solve the problem that in the prior art, the roof bolter needs to be operated by multiple persons in a matching way.

In order to solve the problems, the utility model adopts the following technical scheme: the utility model provides a novel roof bolter support device, but multistage folding arm of establishing on the cylinder of peripheral hardware including the stiff end cover, but multistage folding arm's free end is equipped with angle regulation's rotation part, has the support frame that supplies the roof bolter to fix on the rotation part.

The basic principle of the scheme is as follows: the multistage folding arm is sleeved and fixed on the outer wall of the outer column body, the drilling position of the anchoring machine can be adjusted in the horizontal direction through the extension of the folding arm, the drilling direction of the anchoring machine is adjusted through the rotating part with adjustable angle, and the supporting frame is used for limiting the anchoring machine to prevent the anchoring machine from slipping out.

The beneficial effect of this scheme is:

1. the existing roof bolter is heavy, and the staff is required to steady to support the roof bolter when using, consumes the manpower, and this scheme adopts multistage folding arm fixed roof bolter, replaces the manpower fixed, guarantees the stability of supporting when liberating the labour.

2. The current stock operation can be followed a plurality of angles and drilled, and whole jumbolter shakes and appears the skew after the motor starts, and the manpower supports the direction that is difficult to accurate grasp drilling, adopts the rotation part nimble drilling rod angle of adjusting, and the operation is more convenient when the slope bores.

Further, the multistage folding arm comprises a primary arm, a secondary arm and a tertiary arm, and one end of the primary arm is sleeved with the outer wall of the outer cylinder. The structure of the temporary detachable folding arm is adopted, the operation is simple, and the reliability and the stability are strong.

Further, the primary arm, the secondary arm and the tertiary arm are all arranged parallel to the ground. The folding arms can be stored into a line, can be opened completely, and can be combined into a required length by adding a secondary arm at the middle part.

Further, the rotating part comprises a rotating disc and a fixed disc which are parallel to each other, the opposite surfaces of the rotating disc and the fixed disc are rotationally connected through a lug ring groove, a plurality of first through holes are uniformly formed in the circumferential direction of the rotating disc, a plurality of second through holes are uniformly formed in the circumferential direction of the fixed disc, pin shafts can be simultaneously penetrated through the first through holes and the second through holes, and the supporting frame is fixed on the end surface of the rotating disc far away from the fixed disc. The fixed disk and the rotating disk can be assembled to form different angles, so that the requirement of top anchor hole operation is met.

Further, the central axes of the support frame, the rotary disk and the fixed disk are positioned on the same horizontal line, and the central axes of the rotary disk and the fixed disk are penetrated by a first connecting screw, and the end part of the first connecting screw is in threaded connection with a first locking nut. The structure is compact and reasonable through the support frame.

Further, the first connecting screw extends horizontally through the side wall of the tertiary arm. The first connecting screw is connected with the rotating disc, the fixed disc and the supporting frame, and the structure is compact and reasonable.

Further, the opposite end surfaces of the primary arm and the secondary arm and the opposite end surfaces of the secondary arm and the tertiary arm are respectively provided with a plane bearing. The multi-section folding arm is adjusted in a smooth way through the plane bearing.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present utility model.

FIG. 2 is a front view of an embodiment of the present utility model;

fig. 3 is a side view of a multi-stage arm attachment structure in an embodiment of the utility model.

Fig. 4 is a side cross-sectional view of an embodiment of the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the roof bolter 1, the primary arm 21, the secondary arm 22, the tertiary arm 23, the rotary disk 3, the first through hole 31, the annular groove 32, the fixed disk 4, the second through hole 41, the projection 42, the support frame 5, the first connecting screw 51, the first locking nut 52, the planar bearing 61, the second locking screw 62, the second locking nut 63, the first mounting hole 71, the second mounting hole 72, the third mounting hole 73, the fourth mounting hole 74, and the peripheral cylinder 8. An embodiment is substantially as shown in figures 1 to 4 of the accompanying drawings:

the secondary arm 22 is located on the right side of the primary arm 21, with reference to this direction.

As shown in fig. 1 and 4, the anchoring machine 1 in this embodiment is mounted on a supporting frame 5, the supporting frame 5 is a hollow frame, a rotating disc 3 parallel to the side wall is fixed on the side wall of the supporting frame 5, the anchoring machine 1 passes through the supporting frame 5 from top to bottom, the anchoring machine 1 is lifted and connected through the top end of the supporting frame 5, a flat-open baffle (not drawn in the drawing) is mounted on the side wall of the supporting frame 5, a vertical opening capable of passing through a lock pin is formed in the baffle, an opening is also formed in the corresponding position of the supporting frame 5, and after the lock pin passes through the supporting frame 5 and the baffle, the anchoring machine 1 is stably mounted on the supporting frame 5 through the outer wall of the baffle limiting anchoring machine 1 on both sides of the anchoring machine 1.

The side wall of the rotary disk 3 far away from the support frame 5 is extended with an annular groove 32, the annular groove 32 is coaxial with the rotary disk 3, the rotary disk 3 is rotationally connected with a fixed disk 4 parallel to the annular groove, one end of the fixed disk 4 close to the rotary disk 3 is extended with an annular projection 42, and the projection 42 can be inserted into the annular groove 32, so that the rotary disk 3 can be rotationally connected with the projection 42. The fixed disk 4 and the rotating disk 3 are hollow circular flange structures, the first connecting screw 51 transversely penetrates through the rotating disk 3 from the end of the supporting frame 5, the first connecting screw 51 penetrates through the fixed disk 4 again and is in threaded connection with the fixed disk 4, and the end of the first connecting screw 51 is in threaded connection with the first locking nut 52, so that the rotating disk 3, the fixed disk 4 and the supporting frame 5 are connected into a whole.

In this embodiment, 8 first through holes 31 are uniformly arranged in the circumferential direction of the rotating disc 3, 45 ° is spaced between adjacent first through holes 31, 30 second through holes 41 are uniformly arranged in the circumferential direction of the fixed disc 4, 12 ° is spaced between adjacent second through holes 41, when the angle of the anchoring machine 1 is adjusted by a worker, the anchoring machine can rotate along with the rotating disc 3, the second through holes 41 with required angles are selected on the fixed disc 4, then the first through holes 31 on the vertical axis of the rotating disc 3 are aligned with the second through holes 41, and the rotating disc 3 is fixed by passing through the first through holes 31 and the second through holes 41 through pin shafts. The angle adjustment range includes the self angle of the first through hole 31 and the second through hole 41, and the rotating disc 3 and the fixed disc 4 with different hole numbers can be replaced according to specific needs.

The structure for angle adjustment is connected with the column body of the construction site through a multi-stage arm structure. As shown in fig. 1 to 3, a primary arm 21, a secondary arm 22 and a tertiary arm 23 are horizontally hinged in this order from left to right. The whole primary arm 21 is long flat key type, the outer edges of two ends are circular transition, the left end and the right end of the primary arm 21 are provided with vertical first mounting holes 71, the left end of the primary arm 21 is processed into a circular hollow flange, and the right end of the primary arm 21 is hollow circular. The whole second-stage arm 22 is dumbbell-shaped, the middle part is small, the two ends are big, the outer edges of the two ends are in circular transition, the two ends of the second-stage arm 22 are provided with vertical second mounting holes 72, and the inner wall of each second mounting hole 72 is in a step shape and is used for penetrating and limiting a locking screw. The whole tertiary arm 23 is long flat key type, and both ends are circular transition, and open at tertiary arm 23's both ends end has vertical third mounting hole 73, and open at tertiary arm 23 upper third mounting hole 73 lateral both ends has the fourth mounting hole 74 that runs through tertiary arm 23 lateral wall middle part position, and fourth mounting hole 74 is used for passing first connecting screw 51.

When the multistage folding arm is installed, the primary arm 21 is fixed on an external column body, the flange plate is fixed on the outer wall of the column body, then the flange plate at the left end of the primary arm 21 is sleeved on the column body, and the two flange plates are mutually butted to complete the fixation of the primary arm 21. The second arm 22 is hinged to the right end of the first arm 21, the hinge structure is composed of a second locking screw 62, a plane bearing 61 and a second locking nut 63, a second mounting hole 72 at the left end is aligned with the first mounting hole 71, the plane bearing 61 is mounted between the first mounting hole 71 and the second mounting hole 72, then the second locking screw 62 is used for sequentially penetrating through the second mounting hole 72, the plane bearing 61 and the first mounting hole 71 from top to bottom, and the second locking nut 63 is mounted at the lower end of the second locking screw 62, so that the hinge of the first arm 21 and the second arm 22 is completed. Similarly, the left end of the tertiary arm 23 is hinged to the right end of the secondary arm 22, the second locking screw 62 sequentially passes through the second mounting hole 72, the planar bearing 61 and the third mounting hole 73 of the right end from bottom to top, the second locking nut 63 is connected to the second locking screw 62 in a threaded manner, so that the secondary arm 22 is hinged to the tertiary arm 23, the first connecting screw 51 passes through the fourth mounting hole 74, the first locking nut 52 is screwed on the first connecting screw 51, and the assembly between the angle adjusting part and the multi-stage folding arm is completed.

The specific implementation process is as follows:

the circular flange plate is sleeved on the outer column body, one end of the primary arm 21 with the circular flange is sleeved on the column body, and then the primary arm 21 is connected by bolts. Then, the secondary arm 22, the tertiary arm 23, the planar bearing 61, the turntable member and other parts are connected in order. After the assembly, it is checked whether the stability, the shrinkage between the arms of each stage and the full opening and the rotation of the turntable are flexible.

When the device does not work at ordinary times, the secondary arm 22 and the tertiary arm 23 can be contracted, the width of the whole channel is not influenced, and further the access of other devices is not influenced. When the operation is needed, the folded multi-stage arms are all opened, the anchoring machine 1 is installed in the supporting frame 5 of the rotary disc 3, the baffle is locked, the rotary disc is adjusted to a proper angle, the anchoring machine 1 can be operated to perform anchor hole drilling operation, the whole anchoring machine 1 is lifted to the ground by the embodiment, when the angle is needed to be adjusted, the anchor rod is replaced and drilling is performed, all operations can be completed by one worker, the problems that at least 3 people are needed in conventional anchor rod operation, the labor intensity of workers is high, the safety is high, and the like are solved.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (7)

1. Novel jumbolter support device, its characterized in that: the telescopic anchoring device comprises a multistage folding arm, wherein the fixed end of the multistage folding arm can be sleeved on a column body arranged outside, the free end of the multistage folding arm is provided with a rotating part with adjustable angles, and the rotating part is provided with a supporting frame for fixing the anchoring machine.

2. The novel roof bolter support device of claim 1, wherein: the multistage folding arm comprises a primary arm, a secondary arm and a tertiary arm which are sequentially hinged, and one end of the primary arm is sleeved with the outer wall of the outer column body.

3. The novel roof bolter support device of claim 2, wherein: the primary arm, the secondary arm and the tertiary arm are all parallel to the ground.

4. A novel roof bolter support device according to claim 3, wherein: the rotating part comprises a rotating disc and a fixed disc which are parallel to each other, the opposite surfaces of the rotating disc and the fixed disc are rotationally connected through a lug ring groove, a plurality of first through holes are uniformly formed in the circumferential direction of the rotating disc, a plurality of second through holes are uniformly formed in the circumferential direction of the fixed disc, pin shafts can be penetrated through the first through holes and the second through holes at the same time, and the supporting frame is located on the end surface of the rotating disc far away from the fixed disc.

5. The novel roof bolter support device of claim 4, wherein: the central axes of the support frame, the rotating disc and the fixed disc are positioned on the same horizontal line, and the central axes of the rotating disc and the fixed disc are penetrated by a first connecting screw, and the end part of the first connecting screw is in threaded connection with a first locking nut.

6. The novel roof bolter support device of claim 5, wherein: the first connecting screw horizontally penetrates through the side wall of the tertiary arm.

7. A novel roof bolter support device according to claim 3, wherein: the opposite end surfaces of the primary arm and the secondary arm and the opposite end surfaces of the secondary arm and the tertiary arm are respectively provided with a plane bearing.

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