CN217458621U

CN217458621U - Double-speed multipurpose winch with emergency stop function

Info

Publication number: CN217458621U
Application number: CN202221604560.4U
Authority: CN
Inventors: 房广陆; 王保全; 房琳琳; 李钢; 房乾昆; 庄善镪; 杨学君
Original assignee: Xuzhou Huaimei Mine Equipment Manufacture Co ltd
Current assignee: Xuzhou Huaimei Mine Equipment Manufacture Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-09-20
Anticipated expiration: 2032-06-24

Abstract

The utility model belongs to the technical field of the winch equipment, specifically disclose a multi-purpose winch of double speed with scram function, include: winch base and fix reel mount pad, control box and the reduction gears of its up end, reduction gears sets up the reel mount pad with between the control box, reduction gears includes motor, lead screw and four slides, the lead screw sets up the output of motor, four the slide is connected on the lead screw and can pass through the rotation of lead screw is in winch base's up end slides, and two the both sides of gear respectively are provided with one the slide, the slide is close to the one end of gear is provided with the friction disc. The utility model has the advantages that: the rotation of the gear can be slowed down and stopped, the drum linked with the gear can be braked and suddenly stopped, the friction plate and the gear are abraded, the friction plate cannot be directly damaged, and the speed reducing mechanism can be continuously used.

Description

Double-speed multipurpose winch with emergency stop function

Technical Field

The utility model relates to a winch equipment technical field specifically is a dual speed multi-purpose winch with scram function.

Background

The winch is mechanical equipment which uses a steel wire rope wound on a winding drum to pull a load to move, the mining double-speed winch is an explosion-proof winch and is mainly used for auxiliary transportation work such as pushing, falling, carrying and the like of fully-mechanized mining equipment and various electromechanical equipment under the environment with coal dust or explosive gas in a coal mine, and mine car dispatching and material transportation work at underground mining working faces, bottom-entering car yards, mountains and coal mine ground and the like.

The winch brake emergency stop device in the prior art is characterized in that a speed reducer is installed on a motor output shaft, a brake is installed between the motor and a speed reducer input shaft to brake, a steel wire rope drum is directly fixed with the motor output shaft, if equipment breaks down to cause the steel wire rope drum to skid with the output shaft, the winch brake device cannot play the role of emergency stop brake on the drum, and if the steel wire rope drum is directly blocked, the fast rotating steel wire rope drum easily bumps the blocking device into the damage, the blocking device is required to be maintained and then can be reused, and the winch brake emergency stop device is troublesome. Accordingly, one skilled in the art has provided a two-speed utility winch with scram capability to address the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double speed multi-purpose winch with scram function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a double-speed multipurpose winch with emergency stop function comprises: the winch comprises a winch base, and a winding drum mounting seat, a control box and a speed reducing mechanism which are fixed on the upper end surface of the winch base, wherein the winding drum mounting seat comprises two vertical plates, a winding drum and two gears, the winding drum is mounted between the two vertical plates and penetrates through the centers of the two vertical plates, the two gears are respectively arranged on the two vertical plates and partially extend out of the peripheries of the vertical plates, and fluted discs for driving the two gears to rotate are arranged at the two ends of the winding drum;

reduction gears sets up the reel mount pad with between the control box, reduction gears includes motor, lead screw and four slides, the lead screw sets up the output of motor, four the slide is connected on the lead screw and can pass through the rotation of lead screw is in the up end of winch base slides, and two the both sides of gear respectively are provided with one the slide, the slide is close to the one end of gear is provided with the friction disc.

As a further aspect of the present invention: the two gears are flush with the inner sides of the fluted discs arranged at the two ends of the winding drum.

As a further aspect of the present invention: and the sliding seat is provided with a thread groove used for the screw rod to rotate.

As the utility model discloses further scheme again: the thread directions of the thread grooves on the two sliding seats positioned on two sides of the gear are opposite.

As a further aspect of the present invention: a groove is formed in one side, close to the gear, of the sliding seat, the friction plate is installed inside the groove, and the length of the friction plate in the direction of the screw rod is larger than that of the groove.

As a further aspect of the present invention: and fastening bolts are arranged at the four corners of the back of the sliding seat and correspond to the friction plates, and penetrate through the sliding seat and are arranged in the friction plates.

As a further aspect of the present invention: the friction plate is made of a brake pad.

Compared with the prior art, the utility model has the advantages of: through setting up two on the riser with fluted disc engaged with gear, can let gear and reel linkage, realize synchronous revolution, through setting up the slide in the gear both sides, can let the slide promote the lateral wall contact production friction and the tight gear of clamp of friction piece and gear, can play the effect of speed reduction and stop to the gear, thereby the reel that prevents with the gear linkage is rotatory, can directly brake and scram the reel in the pairing rotation, and, the friction piece appears wearing and tearing with the gear friction and can not directly damage, reduction gears can last the use.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front view of the speed reducing mechanism of the present invention;

FIG. 3 is a front view of the slide carriage of the present invention;

fig. 4 is an installation schematic diagram of the friction plate of the present invention.

In the figure: 1. a winch base; 2. a reel mounting seat; 21. a vertical plate; 22. a reel; 23. a fluted disc; 24. a gear; 3. a control box; 4. a speed reduction mechanism; 41. a motor; 42. a screw rod; 43. a slide base; 431. a groove; 432. a thread groove; 44. a friction plate; 45. and fastening the bolt.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and 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 construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof are intended to cover non-exclusive inclusions.

Referring to fig. 1 and 2, the winding drum mounting base 2 includes two vertical plates 21, a winding drum 22 and two gears 24, wherein the winding drum 22 is mounted between the two vertical plates 21 and penetrates through centers of the two vertical plates 21, the two gears 24 are respectively disposed on the two vertical plates 21 and partially extend beyond peripheries of the vertical plates 21, and two ends of the winding drum 22 are respectively provided with a toothed disc 23 for driving the two gears 24 to rotate.

In an alternative embodiment, when the winch operates, the winding drum 22 installed between the two vertical plates 21 rotates to wind the steel wire rope, which drives the fluted discs 23 fixed at the two ends of the winding drum 22 to rotate, so that the fluted discs 23 drive the gears 24 engaged with the fluted discs to rotate on the vertical plates 21, and linkage between the winding drum 22 and the gears 24 is realized.

Referring to fig. 2 and 3, the speed reducing mechanism 4 includes a motor 41, a lead screw 42 and four sliding seats 43, the lead screw 42 is disposed at an output end of the motor 41, the four sliding seats 43 are connected to the lead screw 42 and can slide on an upper end surface of the winch base 1 through rotation of the lead screw 42, two sliding seats 43 are disposed on two sides of the two gears 24, and a friction plate 44 is disposed at one end of each sliding seat 43 close to the gear 24.

The sliding bases 43 are provided with thread grooves 432 for the rotation of the screw rod 42, the thread directions of the thread grooves 432 on the two sliding bases 43 at two sides of the gear 24 are opposite, one side of each sliding base 43 close to the gear 23 is provided with a groove 431, the friction plates 44 are installed in the grooves 431, and the length of the friction plates 44 along the direction of the screw rod 42 is larger than that of the grooves 431.

In an alternative embodiment, the motor 41 rotates forward to rotate the screw rod 42 installed at the output end thereof forward, so that the sliding seats 43 connected to the outer wall of the screw rod 42 through the thread groove 432 can slide on the winch base 1, meanwhile, the two sliding seats 43 with opposite thread directions of the thread groove 432 can slide in opposite directions on two sides of the peripheral part of the gear 24 beyond the vertical plate 21, the two sliding seats 43 moving in opposite directions can respectively push the friction plates 44 to contact with the peripheral part of the gear 24 beyond the vertical plate 21 to generate friction, and the gear 24 is clamped between the two friction plates 44, so that the rotating gear 24 can be decelerated and stopped, thereby preventing the winding drum 22 linked with the gear 24 from rotating, and realizing the braking and emergency stop effect on the winding drum 22;

the motor 41 rotates reversely to enable the screw rod 42 installed at the output end to rotate reversely, so that the two sliding seats 43 with the thread grooves 432 in opposite thread directions can slide reversely on the two sides of the gear 24, the gear 24 clamped by the two friction plates 44 can be loosened, the limit on the gear 24 is removed, the gear 24 continues to rotate in linkage with the winding drum 22, the normal operation of the winch cannot be influenced, and the resetting function of the speed reducing mechanism 4 is realized.

In an alternative embodiment, the part of the friction plate 44 protruding out of the groove 431 is in contact with the gear 24, so that the friction plate 44 with wear and reduced thickness can be continuously attached to the side wall of the gear 24 under the driving of the two sliding seats 43 moving in opposite directions, the situation that the friction plate 44 cannot be in contact with the gear 23 due to wear or reduced thickness cannot occur, and the friction plate 44 can be continuously used.

As shown in fig. 3 and 4, fastening bolts 45 are provided at four corners of the back of the slide carriage 43 corresponding to the friction plates 44, and the fastening bolts 45 are inserted through the slide carriage 43 and mounted inside the friction plates 44.

In an optional embodiment, when the friction plate 44 is damaged after long-time use, a worker sequentially detaches the four fastening bolts 45, so that the friction plate 44 can be detached from the groove 431, the replacement of the friction plate 44 is completed, the structure is simple, the operation is convenient, and the maintenance work of the speed reducing mechanism 4 is facilitated.

The utility model discloses a theory of operation is: when the steel wire rope drum 22 needs to be braked and suddenly stopped, the motor 41 rotates positively to drive the screw rod 42 installed at the output end to rotate positively, the sliding seats 43 connected to the outer wall of the screw rod 42 through the thread grooves 432 slide on the winch base 1, the two sliding seats 43 with opposite thread directions of the thread grooves 432 slide oppositely on two sides of the gear 24, the two sliding seats 43 moving oppositely can respectively push the friction plates 44 to contact with the part of the gear 24 exceeding the periphery of the vertical plate 21 to generate friction, the gear 24 is clamped between the two friction plates 44, the rotating gear 24 has the effects of reducing and stopping, the drum 22 linked with the gear 24 can be prevented from rotating, the brake and sudden stop effect on the drum 22 is realized, in addition, the two friction plates 44 can rub and clamp the rotating gear 24, the rotating speed of the drum 22 can be reduced firstly, and then the drum 22 is limited, this type of deceleration braking and sudden stop prevents the rapidly rotating drum 22 from colliding with the deceleration mechanism 4, prevents the drum 22 from crashing the deceleration mechanism 4, and allows the deceleration mechanism 4 to be used continuously.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A double-speed multipurpose winch with emergency stop function comprises: the winch comprises a winch base (1), and a winding drum mounting seat (2), a control box (3) and a speed reducing mechanism (4) which are fixed on the upper end face of the winch base, and is characterized in that the winding drum mounting seat (2) comprises two vertical plates (21), a winding drum (22) and two gears (24), wherein the winding drum (22) is mounted between the two vertical plates (21) and penetrates through the centers of the two vertical plates (21), the two gears (24) are respectively arranged on the two vertical plates (21) and partially extend out of the periphery of the vertical plates (21), and both ends of the winding drum (22) are provided with fluted discs (23) which drive the two gears (24) to rotate;

reduction gears (4) set up reel mount pad (2) with between control box (3), reduction gears (4) include motor (41), lead screw (42) and four slide (43), lead screw (42) set up the output of motor (41), four slide (43) are connected on lead screw (42) and can pass through the rotation of lead screw (42) is in the up end of winch base (1) slides, and two the both sides of gear (24) respectively are provided with one slide (43), slide (43) are close to the one end of gear (24) is provided with friction disc (44).

2. A two-speed multipurpose winch with scram function according to claim 1, characterized in that said two gears (24) are flush with the inner sides of the toothed discs (23) arranged at the two ends of said drum (22).

3. A two-speed multipurpose winch with scram function according to claim 1, characterized in that said slide (43) is provided with a threaded groove (432) for rotation of said screw (42).

4. A two-speed multipurpose winch with scram function as in claim 3, characterized in that said thread grooves (432) on the two said carriages (43) located on both sides of said gear (24) have opposite thread directions.

5. A two-speed multipurpose winch with scram function according to claim 1, characterized in that the side of said slide carriage (43) close to said gear (24) is provided with a groove (431), said friction plate (44) is mounted inside said groove (431), and the length of said friction plate (44) along said screw (42) is greater than the length of said groove (431).

6. The winch with the emergency stop function according to claim 1, wherein fastening bolts (45) are arranged at four corners of the back of the sliding base (43) corresponding to the friction plates (44), and the fastening bolts (45) penetrate through the sliding base (43) and are arranged inside the friction plates (44).

7. The winch with scram function as claimed in claim 1, wherein the friction plate (44) is made of brake plate.