CN214359978U

CN214359978U - Belt braking winch

Info

Publication number: CN214359978U
Application number: CN202120331884.4U
Authority: CN
Inventors: 董志方; 张庆军; 苏红立
Original assignee: Henan Province Party Lifting Equipment Ltd Co ltd
Current assignee: Henan Province Party Lifting Equipment Ltd Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-10-08
Anticipated expiration: 2031-02-05

Abstract

The utility model relates to a belt-type braking winch, which comprises a frame, a winding drum mechanism and a lifting motor, wherein the lifting motor is in transmission connection with the winding drum mechanism, a belt-type braking mechanism is arranged between the lifting motor and the winding drum mechanism, the belt-type braking mechanism comprises a base, two arc-shaped support arms, a braking belt and electric push rods, the base is in a concave structure, a base bottom plate is fixedly connected with the frame, base side plates are respectively arranged at two sides of an output shaft of the lifting motor, the number of the arc-shaped support arms is two, the two arc-shaped support arms are both arranged in the base and are symmetrically arranged relative to the output shaft of the lifting motor, the bottom ends of the arc-shaped support arms are both hinged with the base, two ends of the braking belt are respectively connected with the top ends of the arc-shaped support arms after surrounding the output shaft of the lifting motor, the two ends of the electric push rods are respectively fixedly connected with the arc-shaped support arms and the base side plates, a buffer mechanism is arranged below the electric push rods, one end of the buffer mechanism is fixedly connected with the base side plates, the other end is abutted against the arc-shaped support arm, so that the maintenance cost can be reduced and the service life of the belt brake can be prolonged.

Description

Belt braking winch

Technical Field

The utility model belongs to the technical field of the hoist, especially, relate to a hoist engine of belt brake.

Background

The present winch includes frame, hoisting motor, winding drum mechanism, brake mechanism, etc. the brake mechanism includes mainly belt brake and friction sheet brake, and the belt brake has power unit, such as hydraulic cylinder or servo cylinder, to drive the brake belt to contract and to produce braking effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hoist engine of belt brake, solve present belt brake because of adopting hydraulic cylinder or servo cylinder as power device, will improve cost of maintenance and shorten belt brake life's problem.

In order to solve the problem, the utility model discloses the technical scheme who takes:

the utility model provides a hoist engine of belt braking, is including installing reel mechanism and the lifting motor in the frame in proper order, lifting motor is connected its characterized in that with reel mechanism transmission: a belt type braking mechanism is arranged between the lifting motor and the winding drum mechanism, the belt type braking mechanism comprises a base, an arc-shaped support arm, a braking belt and an electric push rod, the base is of a concave structure, a base bottom plate is fixedly connected with the frame, base side plates are respectively positioned at two sides of an output shaft of the lifting motor, the number of the arc-shaped support arms is two, the two arc-shaped support arms are both positioned in the base and symmetrically arranged about the output shaft of the lifting motor, the bottom ends of the arc-shaped support arms are both hinged with the base bottom plate, the two ends of the brake belt surrounding the output shaft of the lifting motor are respectively detachably and fixedly connected with the top end of the arc-shaped support arm, the two electric push rods are horizontally arranged and are fixedly connected with the arc-shaped support arm and the side plate of the base respectively, the horizontally distributed buffer mechanisms are arranged below the electric push rods, one end of the buffer mechanism is fixedly connected with the side plate of the base, and the other end of the buffer mechanism is abutted against the arc-shaped support arm.

Further, buffer gear includes the connecting plate, connecting plate and base curb plate rigid coupling, connecting plate bilateral symmetry are provided with horizontal distribution's straight-bar, be provided with between the straight-bar and follow the gliding buffer block of straight-bar, all the cover is equipped with buffer spring on the straight-bar that the buffer block is close to connecting plate one side, all is provided with stopper and the intermediate position of this side of buffer block on the straight-bar of buffer block opposite side and sets up flutedly, the tank bottom surface and the arc support arm butt of recess.

Furthermore, an external thread is arranged at one end, far away from the connecting plate, of the straight rod, and the limiting block is a limiting nut in threaded fit with the straight rod.

Furthermore, be provided with horizontal distribution's positioning mechanism between buffer block and the connecting plate, positioning mechanism includes horizontal distribution's sleeve pipe and threaded rod, sleeve pipe and connecting plate rigid coupling, threaded rod one end insert the sleeve intraductal and sleeve pipe threaded connection, the threaded rod other end is provided with curved flexible pad.

Furthermore, buffer gear below all is provided with the reset spring of horizontal distribution, fixed connection can be dismantled with base curb plate and arc support arm respectively at the reset spring both ends.

Further, reel mechanism includes the reel support frame, reel support frame and frame rigid coupling are provided with the reel in the reel support frame, reel one end is rotated with the reel support frame and is connected, and the reel other end is passed behind the reel support frame and is connected with the transmission of the output shaft of the hoisting motor, and the reel is gone up still to twine wire rope.

Furthermore, the lifting motor is a speed reduction motor.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a set up the base, the arc support arm, the braking band forms belt arrestment mechanism's structure with electric putter, and be connected the braking band with arc support arm top respectively around playing to rise motor output shaft back both ends, and arc support arm bottom is articulated with the base bottom plate, and retract fast and drive the arc support arm by electric putter's push rod and rotate and then drive the braking band and hold tightly and play to rise motor output shaft and produce braking effect, furthermore, set up buffer gear below electric putter, can play the cushioning effect and slow down the impact force when electric putter's push rod retracts fast, and then reduce electric putter's operational failure, cost of maintenance will be reduced and belt brake life is prolonged.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic right-view structural view of the band brake mechanism of FIG. 1 when not braking;

FIG. 3 is a schematic right-view structural view of the band brake mechanism of FIG. 1;

fig. 4 is a schematic top view of the buffering mechanism and the positioning mechanism.

Reference numerals: 1. a buffer mechanism; 11. a connecting plate; 12. a straight rod; 13. a buffer block; 14. a buffer spring; 15. a limiting block; 16. a groove; 2. a belt brake mechanism; 21. a base; 22. an arc-shaped support arm; 23. a braking band; 24. an electric push rod; 3. a reel mechanism; 31. a reel support frame; 32. a reel; 33. a wire rope; 4. a hoisting motor; 5. a positioning mechanism; 51. a sleeve; 52. a threaded rod; 53. a flexible pad; 6. a frame; 7. a return spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the utility model provides a belt braking winch, which comprises a reel mechanism 3 and a hoisting motor 4 which are sequentially arranged on a frame 6, the hoisting motor 4 is in transmission connection with the reel mechanism 3, a belt braking mechanism 2 is arranged between the hoisting motor 4 and the reel mechanism 3, the belt braking mechanism 2 comprises a base 21, an arc-shaped support arm 22, a braking belt 23 and an electric push rod 24, the base 21 is of a concave structure, the base 21 comprises a bottom plate and side plates positioned at two sides of the bottom plate to form the concave structure of the base 21, the bottom plate of the base 21 is fixedly connected with the frame 6, the side plates of the base 21 are respectively positioned at two sides of an output shaft of the hoisting motor 4, the number of the arc-shaped support arms 22 is two, the two arc-shaped support arms 22 are respectively positioned in the base 21 and are symmetrically arranged relative to the output shaft of the hoisting motor 4, the bottom ends of the arc-shaped support arms 22 are hinged with the bottom plate of the base 21 through pin shafts, the braking belt 23 is respectively detachably and fixedly connected with the top ends of the arc-shaped support arms 22 after surrounding the output shaft of the hoisting motor 4, brake band 23 is flexible steel band and has certain intensity, electric putter 24 level sets up and quantity is two, two electric putter 24 both ends are equallyd divide and are do not with arc support arm 22 and base 21 curb plate rigid coupling, concretely, electric putter 24's push rod and arc support arm 22 rigid coupling, electric putter 24 both ends also can dismantle fixed connection with arc support arm 22 and base 21 curb plate, electric putter 24 below all is provided with horizontally distributed buffer gear 1, buffer gear 1 one end and base 21 curb plate rigid coupling, buffer gear 1 other end and arc support arm 22 butt, through setting up base 21, arc support arm 22, brake band 23 and electric putter 24 form the structure of belt brake mechanism 2, and with brake band 23 around lifting motor 4 output shaft rear both ends respectively with arc support arm 22 top connection, and arc support arm 22 bottom is articulated with base 21 bottom plate, and by the push rod quick retraction of electric putter 24 and drive arc support arm 22 and rotate and then drive brake band 23 and hold up electric lifting device to rise The machine 4 output shaft and produce the braking effect, in addition, set up buffer gear 1 below electric putter 24, can play the cushioning effect and slow down the impact force when electric putter 24's push rod retracts fast, and then reduce electric putter 24's operation trouble, will reduce cost of maintenance and extension band brake life.

The buffer mechanism 1 has the following specific structure: as shown in fig. 2 to 4, buffer mechanism 1 includes connecting plate 11, connecting plate 11 and the curb plate rigid coupling of base 21, connecting plate 11 bilateral symmetry is provided with horizontal distribution's straight-bar 12, be provided with between the straight-bar 12 and follow the gliding buffer block 13 of straight-bar 12, buffer block 13 is close to all to overlap on the straight-bar 12 of connecting plate 11 one side and is equipped with buffer spring 14, the intermediate position that all is provided with stopper 15 and buffer block 13 this side on the straight-bar 12 of buffer block 13 opposite side sets up fluted 16, the tank bottom surface and the arc support arm 22 butt of recess 16, through such a mode of setting, when electric putter 24's push rod withdraws fast, buffer mechanism 1 can play the cushioning effect and slow down the impact force.

Further, as shown in fig. 2, when the belt brake mechanism 2 is not braking, the push rod of the electric push rod 24 is in an extended state, at this time, the arc-shaped support arm 22 rotates inwards, the buffer block 13 is always abutted against the arc-shaped support arm 22, after the push rod is completely extended, the arc-shaped support arm 22 is in place to release the brake belt 23, so the position of the arc-shaped support arm 22 depends on the push rod extension length of the electric push rod 24, if the buffer block 13 is always abutted against the arc-shaped support arm 22, the inward movement distance of the buffer block 13 cannot exceed the push rod extension length of the electric push rod 24, therefore, one end of the straight rod 12 far away from the connecting plate 11 is provided with an external thread, the limit block 15 is a limit nut in threaded fit with the straight rod 12, by such arrangement, the position of the limit block 15 on the straight rod 12 can be adjusted to adjust the inward movement distance of the buffer block 13, thereby preventing the inward movement distance of the buffer block 13 from exceeding the push rod extension length of the electric push rod 24, thereby avoiding damage to the power pushrod 24.

Further, as shown in fig. 3, when the belt brake mechanism 2 brakes, the push rod of the electric push rod 24 is in a retracted state, in order to further reduce the impact force on the electric push rod 24 when the arc-shaped support arm 22 is in place, therefore, the positioning mechanism 5 is horizontally distributed between the buffer block 13 and the connecting plate 11, the positioning mechanism 5 comprises a sleeve 51 and a threaded rod 52 which are horizontally distributed, the sleeve 51 is fixedly connected with the connecting plate 11, one end of the threaded rod 52 is inserted into the sleeve 51 and is in threaded connection with the sleeve 51, the other end of the threaded rod 52 is provided with an arc-shaped flexible pad 53, through the arrangement, the length of the sleeve 51 and the threaded rod 52 can be adjusted, so that after the electric push rod 24 is completely retracted, the flexible pad 53 is just abutted with the buffer block 13 to indirectly support the arc-shaped support arm 22 in place, thereby relieving the impact force on the electric push rod 24 when the arc-shaped support arm 22 is in place and further avoiding the damage of the electric push rod 24.

Because the push rod of the electric push rod 24 needs to retract rapidly when the belt type brake mechanism 2 brakes, as shown in fig. 2 and fig. 3, the lower part of the buffer mechanism 1 is provided with the reset spring 7 which is distributed horizontally, two ends of the reset spring 7 are respectively detachably and fixedly connected with the side plate of the base 21 and the arc-shaped support arm 22, when the belt type brake mechanism 2 does not brake by setting the reset spring 7, the reset spring 7 is in an extension state, when the belt type brake mechanism 22 needs to brake, the reset spring 7 resets to accelerate the retraction time of the push rod, in addition, two ends of the reset spring 7 are respectively arranged to be detachably and fixedly connected with the side plate of the base 21 and the arc-shaped support arm 22, so that the reset spring 7 is convenient to replace, and the reset spring 7 can be detached when not used.

The specific structure of the winding drum mechanism 3 is as follows: as shown in fig. 1, the winding drum mechanism 3 includes a winding drum support frame 31, the winding drum support frame 31 is fixedly connected to the frame 6, a winding drum 32 is disposed in the winding drum support frame 31, one end of the winding drum 32 is rotatably connected to the winding drum support frame 31, the other end of the winding drum 32 penetrates through the winding drum support frame 31 and then is in transmission connection with an output shaft of the hoisting motor 4, and a steel wire rope 33 is further wound on the winding drum 32.

Further, rise motor 4 and be gear motor, through such mode of setting up, close motor and speed reducer as an organic whole, can reduce the occupation space of hoist engine and have the deceleration effect, in addition, the utility model discloses mainly lift by crane or pull the relatively less heavy object of tonnage.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.

Claims

1. The utility model provides a hoist engine of belt braking, is including installing reel mechanism (3) and the hoisting motor (4) on frame (6) in proper order, hoisting motor (4) are connected its characterized in that with reel mechanism (3) transmission: a belt type brake mechanism (2) is arranged between the lifting motor (4) and the winding drum mechanism (3), the belt type brake mechanism (2) comprises a base (21), arc-shaped support arms (22), a brake belt (23) and an electric push rod (24), the base (21) is of a concave structure, a base plate (21) is fixedly connected with a rack (6), side plates of the base (21) are respectively positioned at two sides of an output shaft of the lifting motor (4), the number of the arc-shaped support arms (22) is two, the two arc-shaped support arms (22) are both positioned in the base (21) and are symmetrically arranged relative to the output shaft of the lifting motor (4), the bottom ends of the arc-shaped support arms (22) are hinged with the base plate (21), the brake belt (23) is fixedly connected with the top ends of the arc-shaped support arms (22) respectively at two ends behind the output shaft of the lifting motor (4), the electric push rod (24) is horizontally arranged and is two, two electric putter (24) both ends are equallyd divide do not with arc support arm (22) and base (21) curb plate rigid coupling, and electric putter (24) below all is provided with horizontally distributed's buffer gear (1), buffer gear (1) one end and base (21) curb plate rigid coupling, buffer gear (1) other end and arc support arm (22) butt.

2. The belt brake hoist as claimed in claim 1, wherein: buffer gear (1) is including connecting plate (11), connecting plate (11) and base (21) curb plate rigid coupling, connecting plate (11) bilateral symmetry are provided with horizontal distribution's straight-bar (12), be provided with between straight-bar (12) and follow gliding buffer block (13) of straight-bar (12), all the cover is equipped with buffer spring (14) on straight-bar (12) that buffer block (13) are close to connecting plate (11) one side, all is provided with stopper (15) and buffer block (13) the intermediate position of should inclining on straight-bar (12) of buffer block (13) opposite side and offers recess (16), the tank bottom surface and arc support arm (22) butt of recess (16).

3. The belt brake hoist as claimed in claim 2, wherein: an external thread is arranged at one end, far away from the connecting plate (11), of the straight rod (12), and the limiting block (15) is a limiting nut in threaded fit with the straight rod (12).

4. The belt brake hoist as claimed in claim 2, wherein: be provided with horizontal distribution's positioning mechanism (5) between buffer block (13) and connecting plate (11), positioning mechanism (5) are including horizontal distribution's sleeve pipe (51) and threaded rod (52), sleeve pipe (51) and connecting plate (11) rigid coupling, threaded rod (52) one end insert in sleeve pipe (51) with sleeve pipe (51) threaded connection, threaded rod (52) other end is provided with curved flexible pad (53).

5. The belt brake hoist as claimed in claim 2, wherein: buffer gear (1) below all is provided with horizontally distributed reset spring (7), reset spring (7) both ends can dismantle fixed connection with base (21) curb plate and arc support arm (22) respectively.

6. The belt brake hoist as claimed in claim 1, wherein: reel mechanism (3) are including reel support frame (31), reel support frame (31) and frame (6) rigid coupling are provided with reel (32) in reel support frame (31), reel (32) one end is rotated with reel support frame (31) and is connected, and reel (32) other end is passed reel support frame (31) back and is lifted motor (4) output shaft transmission and be connected, and it has wire rope (33) still to twine on reel (32).

7. The belt brake hoist as claimed in claim 1, wherein: the lifting motor (4) is a speed reducing motor.