CN216077015U

CN216077015U - Winch for spiral drilling machine

Info

Publication number: CN216077015U
Application number: CN202121997848.8U
Authority: CN
Inventors: 黄春锋
Original assignee: Changzhou Yingchuang Intelligent Machinery Co ltd
Current assignee: Changzhou Yingchuang Intelligent Machinery Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-18
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to the technical field of spiral drilling machines, in particular to a winch for an auger drilling machine. The utility model provides a winch for an auger drilling machine, which comprises: the spiral drilling machine comprises a driving motor, a speed reducer, a winch shaft and a braking device, wherein the driving motor is fixed at the upper end of a spiral drilling machine body, the speed reducer is arranged on an output shaft of the driving motor, the winch shaft is rotatably connected with the speed reducer, and the winch shaft protrudes out of the side wall of the speed reducer; the brake device is arranged in the speed reducer and sleeved on the outer wall of the winch shaft; when the driving motor stops rotating, the brake device can clamp the winch shaft inwards from two sides.

Description

Winch for spiral drilling machine

Technical Field

The utility model relates to the technical field of spiral drilling machines, in particular to a winch for an auger drilling machine.

Background

The spiral drilling machine is a spiral blade drilling machine and comprises a drilling machine frame, a slide way is arranged on the drilling machine frame, a reduction box capable of sliding up and down along the slide way is further arranged, the reduction box is connected with a power input shaft and a power output shaft, the other end of the power input shaft is connected with a hydraulic motor, the other end of the power output shaft is connected with a drill rod, and the lower end of the drill rod is connected with a drill bit.

The winch is an important component of the spiral drilling machine, mainly plays a role in hoisting a top motor, a power head, a spiral drilling tool and the like, and is used for timely turning off the winch in the using process of the winch so as to avoid continuous rotation caused by inertia and needing to be braked through a braking device.

The friction plate is adopted by the winch braking device in the prior art for friction braking, long-time friction braking not only influences the service life of the winch, but also causes the friction braking effect to be poor, and longer buffer distance is needed. It is therefore necessary to develop a hoist for an auger machine.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a winch for an auger drilling machine, which solves the technical problems that the braking effect of the winch in the prior art is poor and the buffering distance is long.

The technical scheme adopted by the utility model for solving the technical problem is that the utility model provides a winch for an auger drilling machine, which comprises: the spiral drilling machine comprises a driving motor, a speed reducer, a winch shaft and a braking device, wherein the driving motor is fixed at the upper end of a spiral drilling machine body, the speed reducer is arranged on an output shaft of the driving motor, the winch shaft is rotatably connected with the speed reducer, and the winch shaft protrudes out of the side wall of the speed reducer; the brake device is arranged in the speed reducer and sleeved on the outer wall of the winch shaft; when the driving motor stops rotating, the brake device can clamp the winch shaft inwards from two sides.

Furthermore, a rotating disc is sleeved on the outer wall of the winch shaft, a plurality of limiting grooves are formed in the rotating disc, and the limiting grooves are formed in the circumferential side wall of the rotating disc in an annular mode at equal intervals; the braking device is arranged on one side of the rotating disc; the braking device comprises two braking components, wherein the two braking components are arranged on the circumferential side wall of the rotating disc in a mirror image mode, and the two braking components can slide in opposite directions and are clamped into the limiting grooves.

Further, the braking device further includes: the support frame is arranged on one side of the rotating disc; the two sliding plates are respectively arranged at the two ends of the supporting frame in a sliding way; one of the brake assemblies is fixed to one of the sliding plates; the two brake cylinders are respectively arranged on one side of the support frame, and the two brake cylinders are respectively fixed on two sides of the winch shaft; one end of the brake cylinder is fixed on the support frame, and the other end of the brake cylinder is fixed on the brake assembly; the brake cylinder can drive the two brake components to move oppositely to be clamped into the limiting groove.

Further, the brake assembly includes: the fixing frame is U-shaped and is arranged on the outer side of the rotating disc; the limiting column is fixed on the inner wall of the fixing frame and is parallel to the winch shaft; one end of the brake cylinder is fixed on the fixing frame; when the braking cylinder drives the two fixing frames to slide in opposite directions, the limiting columns can be clamped into the limiting grooves.

Furthermore, the brake assembly further comprises two brake pads, the two brake pads are respectively arranged on two sides of the rotating disc, and the two brake pads are oppositely fixed on the inner wall of the fixing frame; when the two fixing frames slide in opposite directions, the two brake pads can hold the rotating disc tightly from two sides.

Furthermore, the circumference outer wall of rolling disc is fixed with a brake disc, the thickness of brake disc reduces from inside to outside gradually along radial, two the brake block respectively with the terminal surface of brake disc both sides is parallel, wherein work as after spacing post card is gone into the spacing groove, two the brake block can be followed both sides and held tightly the brake disc.

Furthermore, the speed reducer is a worm speed reducer, and the winch shaft is perpendicular to a transmission shaft of the speed reducer; the outer wall of the winch shaft is further sleeved with a steel cable winch, the steel cable winch is arranged on one side of the speed reducer, and the steel cable winch is suitable for unwinding a steel cable.

Furthermore, a plurality of ventilation holes are formed in the brake disc and are suitable for accelerating the heat dissipation of the brake disc.

The winch for the spiral drilling machine has the advantages that the speed reducer and the braking device are arranged in the winch, the braking device of the general speed reducer adopts friction plates for friction braking, but the braking effect is poor, the service life of the friction plates is short, and the braking device arranged in the winch can tightly hold the rotating disc from two sides of the rotating disc of the speed reducer, so that the braking effect of the winch is good, and the buffering distance is shortened.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a hoist for an auger drilling machine according to the present invention;

FIG. 2 is a perspective view of the brake apparatus of the present invention;

FIG. 3 is a cross-sectional view of the brake assembly of the present invention.

In the figure:

4. a drive motor; 5. a speed reducer; 51. a wire rope winch; 6. a capstan shaft; 61. rotating the disc; 611. a limiting groove; 612. a vent hole; 62. a brake disc; 7. a braking device; 72. a support frame; 73. a brake cylinder; 74. a sliding plate; 75. a brake assembly; 751. a fixed mount; 752. a limiting column; 753. a brake pad.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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 therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first," "second," and the like 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 3, the present invention provides a hoist for an auger machine, including: a driving motor 4, a reducer 5, a winch shaft 6 and a braking device 7, wherein the driving motor 4 is a power source of the winch shown in the embodiment and can output necessary power outwards; the speed reducer 5 is a transmission mechanism of the hoist shown in the present embodiment, and is capable of transmitting the power output by the drive motor 4; the capstan shaft 6 is a functional mechanism of the hoist shown in this embodiment, and can wind a wire rope; the braking device 7 is a braking mechanism of the winch in this embodiment, and can effectively brake the winch shaft 6 in time. With respect to the above components, detailed description is given below.

Driving motor

The driving motor 4 is capable of generating a driving torque, and as a power source of the winch for the auger machine shown in the present embodiment, the driving motor 4 mainly functions to convert mechanical energy into electric energy. The driving motor 4 is fixed at the upper end of the spiral drilling machine body.

Speed reducer

The speed reducer 5 is of a worm type structure, the speed reducer 5 is arranged on an output shaft of the driving motor 4, and the speed reducer 5 is fixedly connected with the output shaft of the driving motor 4. The speed reducer 5 is an independent component formed by gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, the speed reducer 5 is a transmission device of the winch shown in the embodiment, and the speed reducer 5 can transmit the torque output by the output shaft of the driving motor 4 to a functional mechanism, and the speed reducer 5 can reduce the speed of the output shaft of the driving motor 4 through a gear set and simultaneously increase the torque of the output shaft of the driving motor 4, so that the power output by the driving motor 4 is suitable for being used by other components.

Capstan shaft

The winch shaft 6 is rotatably connected with the speed reducer 5, the winch shaft 6 protrudes out of the side wall of the speed reducer 5, specifically, the winch shaft 6 penetrates through the side wall of the speed reducer 5, the winch shaft 6 is perpendicular to a transmission shaft of the speed reducer 5, the winch shaft 6 penetrates through the axis of an output gear of the speed reducer 5 and is fixedly connected with the output gear of the speed reducer 5, and when the output gear rotates, the winch shaft 6 can be driven to rotate, so that the winch shaft 6 rotates relative to the speed reducer 5. In order to realize the function of winding a square steel cable of the winch, the winch shaft 6 protrudes out of the outer wall of one side of the speed reducer 5, a steel cable winch 51 is further sleeved on the outer wall of one side of the speed reducer 5, one end of the steel cable winch 51 can be attached to the side wall of the speed reducer 5, and the other end of the steel cable winch is attached to the top of the winch shaft 6. The capstan shaft 6 can axially limit the wire rope capstan 51, so that the wire rope capstan 51 can axially rotate around the capstan shaft 6 and cannot axially slide. The wire rope winch 51 is adapted to unwind a wire rope.

It should be noted that, in the prior art, a general winch is provided with a friction disc at one end of the winch shaft 6, which is located inside the reducer 5 and is far from the cable winch 51, and friction plates are arranged at two ends of the friction disc, and when the winch needs to be braked, the friction plates can move from two ends to each other so as to clamp the friction disc, thereby indirectly braking the winch shaft 6.

The braking device 7 is arranged in the speed reducer 5, and the braking device 7 is sleeved on the outer wall of the winch shaft 6, so that the braking device 7 and the winch shaft 6 are coaxially arranged. When the driving motor 4 stops rotating, the brake device 7 can clamp the winch shaft 6 from two sides inwards.

In order to facilitate the winch shaft 6 to be matched with the braking device 7 to brake the winch shaft 6, a rotating disc 61 is sleeved on the outer wall of the winch shaft 6, the rotating disc 61 is located at one end, far away from the steel cable winch 51, of the speed reducer 5, a plurality of limiting grooves 611 are formed in the outer circular surface of the rotating disc 61, the limiting grooves 611 are identical in size and are semicircular, and the limiting grooves 611 are formed in the circumferential side wall of the rotating disc 61 in an annular mode at equal intervals. When the driving motor 4 stops rotating, the braking device 7 can be clamped into the limiting groove 611 from two sides inwards, and the winch shaft 6 is fixedly connected with the limiting groove 611, so that the braking device 7 is clamped on the winch shaft 6.

In order to further enhance the braking effect of the braking device 7 on the winch shaft 6, a brake disc 62 is fixed on the circumferential outer wall of the rotating disc 61, the thickness of the brake disc 62 is gradually reduced from inside to outside along the radial direction, the braking mechanism 7 wraps the brake disc 62 from the outer sides of the two ends of the brake disc 62, the braking mechanism 7 wraps the brake disc 62 from the two ends, and after the braking mechanism 7 is clamped into the limiting grooves 611 from the two sides, the braking mechanism 7 can synchronously hold the brake disc 62 from the two ends, so that the braking effect on the winch shaft 6 is enhanced, a double-safety function is achieved, and when one of the braking functions fails, the other one can still brake the winch shaft 6.

In addition, it should be noted that when the braking mechanism 7 and the brake disc 62 brake through friction, two end surfaces of the brake disc 62 generate a large amount of heat, and if the heat cannot be dissipated in time, the brake disc 62 is damaged, and in order to solve this problem, a plurality of ventilation holes 612 are further formed in the brake disc 62, and the plurality of ventilation holes 612 are suitable for accelerating heat dissipation of the brake disc 62.

The structure of the braking device 7 of the winch for the auger machine according to the present embodiment is specifically described below, the braking device 7 is integrally fixed on one side of the braking device 7, and two ends of the braking device 7 can wrap around the rotating disc 61, the braking device 7 includes two braking assemblies 75, the two braking assemblies 75 are arranged on the circumferential side wall of the rotating disc 61 in a mirror image manner, wherein the two braking assemblies 75 can slide towards each other and can be clamped into the limiting groove 611. So as to rapidly brake the winch shaft 6, in order to enable the brake assembly 75 to realize the function, the brake device 7 specifically further includes: a support bracket 72, two sliding plates 74 and two brake cylinders 73, wherein the support bracket 72 is disposed at one side of the rotating disc 61; the two sliding plates 74 are respectively slidably disposed at two ends of the supporting frame 72, the two sliding plates 74 can simultaneously slide toward or away from each other along the supporting frame 72, one of the brake assemblies 75 is fixed on one of the sliding plates 74, the side walls of the main body of the two brake cylinders 73 are respectively disposed on one side of the supporting frame 72 away from the rotating disc 61, the two brake cylinders 73 are respectively fixed on two sides of the winch shaft 6, the output shaft of the brake cylinder 73 is fixed on the brake assembly 75, and when the driving motor 4 stops rotating, the two sliding plates 74 can be pulled by the brake cylinders 73 to move toward each other, so that the two brake assemblies 75 are driven to move toward each other to be clamped into the limiting groove 611.

The structure of the brake assembly 75 is described in detail below, and the brake assembly 75 specifically includes: the fixing frame 751 is in a U shape, the fixing frame 751 is arranged outside the rotating disc 61, one end of the brake cylinder 73 is fixed on the fixing frame 751, and the distance between the inner side walls of the fixing frame 751 is greater than the thickness of the rotating disc 61. Spacing post 752 is fixed the mount 751 inner wall, just spacing post 752 with the capstan shaft 6 is parallel, works as when brake subassembly 75 chucking rolling disc 61, spacing post 752 is gone into along the orthogonal direction card in the spacing groove 611, if spacing post 752 with the capstan shaft 6 does not keep parallel, in the chucking process, can appear spacing post 752 one end earlier with get into spacing groove 611 is nevertheless for can the chucking rolling disc 61, and lead to the sliding tooth, can cause very big harm like this to rolling disc 61 and brake subassembly 75. When the brake cylinder 73 drives the two fixing frames 751 to slide towards each other, the limiting column 752 can be clamped in the limiting groove 611.

In order to ensure that the brake assembly 75 brakes the rotating disc 61 from the end surface and can brake the rotating disc 61 from the two side surfaces, the brake assembly 75 further comprises two brake discs 753, wherein the two brake discs 753 are respectively arranged at the two sides of the rotating disc 61, the two brake discs 753 are oppositely fixed on the inner wall of the fixing frame 751, the two brake discs 753 are respectively arranged in a shape parallel to the end surfaces of the two sides of the brake disc 62 because the thickness of the brake disc 62 is gradually reduced from the inside to the outside along the radial direction, and when the two fixing frames 751 slide oppositely, the two brake discs 753 can clasp the rotating disc 61 from the two sides.

The working process of the winch for the spiral drilling machine is that when the winch works normally, the driving motor 4 works, the output shaft outputs torque, after the rotating speed is reduced and the torque is increased through the speed reducer 5, the torque is transmitted to the winch shaft 6, the winch shaft 6 rotates further, the steel cable winch 51 is driven to rotate continuously, and therefore the steel cable is wound and unwound. When braking is needed, the driving motor 4 stops rotating, the braking cylinder 73 drives the two fixing frames 751 to slide oppositely, the limiting column 752 is clamped in the limiting groove 611, the two brake pads 753 slide along with the fixing frames 751 and are attached to the brake disc 62, during braking, the two brake pads 753 and two walls of the brake disc 62 are subjected to friction braking, and heat generated by friction of the two brake pads 753 can be dissipated into air through the plurality of vent holes 612.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A hoist for an auger machine, comprising:

the spiral drilling machine comprises a driving motor (4), a speed reducer (5), a winch shaft (6) and a braking device (7), wherein the driving motor (4) is fixed at the upper end of a spiral drilling machine body, the speed reducer (5) is arranged at an output shaft of the driving motor (4), the winch shaft (6) is rotatably connected with the speed reducer (5), and the winch shaft (6) protrudes out of the side wall of the speed reducer (5);

the braking device (7) is arranged in the speed reducer (5), and the braking device (7) is sleeved on the outer wall of the winch shaft (6); wherein

When the driving motor (4) stops rotating, the brake device (7) can clamp the winch shaft (6) from two sides inwards.

2. A hoist for an auger machine as claimed in claim 1, wherein,

a rotating disc (61) is sleeved on the outer wall of the winch shaft (6), a plurality of limiting grooves (611) are formed in the rotating disc (61), and the limiting grooves (611) are formed in the circumferential side wall of the rotating disc (61) in an annular mode at equal intervals;

the braking device (7) is arranged on one side of the rotating disc (61); the braking device (7) comprises two braking components (75), the two braking components (75) are arranged on the circumferential side wall of the rotating disc (61) in a mirror image mode, and the braking device is characterized in that

The two brake components (75) can slide oppositely and are clamped in the limiting groove (611).

3. A hoist for an auger machine as claimed in claim 2, wherein,

the braking device (7) further comprises: the brake device comprises a support frame (72), two sliding plates (74) and two brake cylinders (73), wherein the support frame (72) is arranged on one side of the rotating disc (61); the two sliding plates (74) are respectively arranged at the two ends of the supporting frame (72) in a sliding way;

one of said brake assemblies (75) is fixed to one of said slide plates (74);

the two brake cylinders (73) are respectively arranged on one side of the support frame (72), and the two brake cylinders (73) are respectively fixed on two sides of the winch shaft (6);

one end of the brake cylinder (73) is fixed on the support frame (72), and the other end of the brake cylinder (73) is fixed on the brake component (75); wherein

The brake cylinder (73) can drive the two brake components (75) to move oppositely so as to be clamped into the limiting groove (611).

4. A hoist for an auger machine as claimed in claim 3, wherein,

the brake assembly (75) includes: the fixing frame (751) is U-shaped, and the fixing frame (751) is arranged on the outer side of the rotating disc (61);

the limiting column (752) is fixed on the inner wall of the fixing frame (751), and the limiting column (752) is parallel to the winch shaft (6); one end of the brake cylinder (73) is fixed on the fixed frame (751); wherein

When the braking cylinder (73) drives the two fixing frames (751) to slide oppositely, the limiting column (752) can be clamped into the limiting groove (611).

5. A hoist for an auger machine as claimed in claim 4, wherein,

the brake assembly (75) further comprises two brake blocks (753), the two brake blocks (753) are respectively arranged on two sides of the rotating disc (61), and the two brake blocks (753) are oppositely fixed on the inner wall of the fixing frame (751); wherein

When the two fixing frames (751) slide towards each other, the two brake plates (753) can clasp the rotating disc (61) from two sides.

6. A hoist for an auger machine as claimed in claim 5, wherein,

a brake disc (62) is fixed on the circumferential outer wall of the rotating disc (61), the thickness of the brake disc (62) is gradually reduced from inside to outside along the radial direction, and the two brake pads (753) are respectively parallel to the end faces of the two sides of the brake disc (62), wherein

When the limiting column (752) is clamped in the limiting groove (611), the two brake pads (753) can hold the brake disc (62) from two sides.

7. A hoist for an auger machine as claimed in claim 6, wherein,

the speed reducer (5) is a worm speed reducer (5), and the winch shaft (6) is perpendicular to a transmission shaft of the speed reducer (5); the outer wall of the winch shaft (6) is further sleeved with a steel cable winch (51), the steel cable winch (51) is arranged on one side of the speed reducer (5), and the steel cable winch (51) is suitable for unwinding a steel cable.

8. A hoist for an auger machine as claimed in claim 7, wherein,

the brake disc (62) is provided with a plurality of ventilation holes (612), and the ventilation holes (612) are suitable for accelerating the heat dissipation of the brake disc (62).