CN212077847U

CN212077847U - Hoist type hoist

Info

Publication number: CN212077847U
Application number: CN201821734961.5U
Authority: CN
Inventors: 王浩洋
Original assignee: Hebei Zhuangyu Hydraulic Machinery Co ltd
Current assignee: Hebei Zhuangyu Hydraulic Machinery Co ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2020-12-04
Anticipated expiration: 2028-10-25

Abstract

The utility model relates to the technical field of hydraulic machinery, in particular to a winch hoist; the structure that the speed reducer is arranged at the upper part of the second support is adopted, and the speed reducer is arranged, so that the overall load of the hoist is improved, and the problem that the traditional hoist cannot load a heavier gate due to a smaller load is solved; the structure that the braking device is arranged on one side of the winding drum is adopted, and the problem that the gate can be fixed at a certain position in the closing process and cannot fall is solved through the action of the braking device.

Description

Hoist type hoist

Technical Field

The utility model relates to a hydraulic machinery technical field especially relates to a hoist formula headstock gear.

Background

The hoist is used for various large-scale water supply and drainage, water conservancy and hydropower engineering. The lifting device is used for controlling the lifting of various large and medium cast iron gates and steel gates to achieve the purpose of opening and closing; however, the steel wire rope of the winch hoist can only bear resistance and can only be used for opening the gate, and the gate stays in the opening and closing process and must be worked or locked, otherwise, the gate falls due to self weight, and the safety is not high enough.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a hoist type hoist against the technical deficiencies, which adopts the structure that the upper part of the second support is provided with the speed reducer, thereby improving the whole load of the hoist by the arrangement of the speed reducer, and solving the problem that the traditional hoist has smaller load and can not load heavier gates; the structure that the braking device is arranged on one side of the winding drum is adopted, and the problem that the gate can be fixed at a certain position in the closing process and cannot fall is solved through the action of the braking device.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a base; a first support is arranged on one side of the middle line position in the length direction of the upper part of the base; a second support is arranged on one side of the upper part of the base; bearing supports are symmetrically arranged on two sides of the width of the middle position of the upper part of the base; the first support, the second support and the bearing support are respectively connected with the base through bolts; a first motor is arranged at the upper part of the first support; the first motor is connected with the first support through bolts; a speed reducer is arranged at the upper part of the second support; the speed reducer is connected with the second support through bolts; the speed reducer is connected with the first motor through a coupling; one side of the speed reducer is provided with a hoisting device; the hoisting device is connected with the base through bolts.

Further optimizing the technical scheme, the hoisting device comprises a large gear, a small gear, a winding drum, a transmission shaft and a braking device; the transmission shaft and the speed reducer are clamped; the large gear and the small gear are in meshed connection; the pinion is clamped with the transmission shaft; the big gear wheel is clamped with the winding drum; one side of the winding drum is provided with a braking device.

Further optimizing the technical scheme, the braking device comprises a braking ratchet wheel, a braking gear, a toothed belt, a braking pawl, a braking clamping block and a second first motor; the brake fixture block and the winding drum are coaxially clamped; the two ends of the outside of the brake clamping block are symmetrically provided with brake pawls; the braking pawl and the braking clamping block are connected by a rotating shaft; the brake gear is clamped with the transmission shaft; the brake ratchet wheel is connected with the brake gear by a toothed belt; the second first motor is in threaded connection with the transmission shaft.

Further optimizing the technical scheme, an inner gear ring is arranged in the braking ratchet wheel; the braking pawl and the inner gear ring are clamped.

Compared with the prior art, the utility model has the advantages of it is following: 1. the brake device is arranged on one side of the winding drum, so that the structure is favorable for ensuring that the hoist can drive the gate to be suspended at a certain position; 2. the braking pawls are symmetrically arranged at the two ends of the outside of the braking clamping block, so that the structure is favorable for ensuring the starting and the closing of the braking device; 3. the inner gear ring is arranged in the braking ratchet wheel, so that the structure is favorable for ensuring the matching between the braking pawl and the braking ratchet wheel.

Drawings

Fig. 1 is a schematic view of the overall structure of a hoist.

Fig. 2 is a schematic structural diagram of a hoisting device of a hoisting hoist.

Fig. 3 is a schematic structural view of a braking device of a hoisting hoist.

In the figure: 1. a base; 2. a hoisting device; 3. a braking device; 101. a first support; 102. a second support; 103. a bearing support; 104. a first motor; 105. a speed reducer; 201. a bull gear; 202. a pinion gear; 203. a reel; 204. a drive shaft; 301. braking the ratchet wheel; 302. a brake gear; 303. a toothed belt; 304. a brake pawl; 305. braking the clamping block; 306. ring gear, 307, second motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: as shown in connection with fig. 1-3, includes a base 1; a first support 101 is arranged on one side of the middle line position of the upper part of the base 1 in the length direction; a second support 102 is arranged on one side of the upper part of the base 1; bearing supports 103 are symmetrically arranged on two sides of the width of the middle position of the upper part of the base 1; the first support 101, the second support 102 and the bearing support 103 are respectively connected with the base 1 through bolts; a first motor 104 is arranged at the upper part of the first support 101; the first motor 104 is connected with the first support 101 through bolts; the upper part of the second support 102 is provided with a speed reducer 105; the speed reducer 105 is connected with the second support 102 through bolts; the speed reducer 105 is connected with the first motor 104 through a coupling; one side of the speed reducer 105 is provided with a hoisting device 2; the hoisting device 2 is connected with the base 1 through bolts; the winding device 2 comprises a large gear 201, a small gear 202, a winding drum 203, a transmission shaft 204 and a braking device 3; the transmission shaft 204 and the speed reducer 105 are clamped; the bull gear 201 and the pinion gear 202 are in meshed connection; the pinion 202 and the transmission shaft 204 are clamped; the bull gear 201 and the winding drum 203 are clamped; one side of the winding drum 203 is provided with a braking device 3; the braking device 3 comprises a braking ratchet wheel 301, a braking gear 302, a toothed belt 303, a braking pawl 304, a braking fixture block 305 and a second motor 307; the braking fixture block 305 and the winding drum 203 are coaxially clamped; the two ends of the outside of the braking clamping block 305 are symmetrically provided with braking pawls 304; the braking pawl 304 is connected with the braking fixture block 305 through a rotating shaft; the brake gear 302 is clamped with the transmission shaft 204; the brake ratchet wheel 301 and the brake gear 302 are connected by a toothed belt 303; an inner gear ring 306 is arranged inside the braking ratchet wheel 301 by adopting threaded connection between the second motor 307 and the transmission shaft 204; the brake pawl 304 and the inner gear ring 306 are clamped.

When the hoisting type hoist is used, as shown in fig. 1, when a user uses the hoist to lift the gate on the hydraulic machinery, the traditional hoist can only draw the steel wire rope and cannot suspend the gate at a certain height, so that an extra braking tool needs to be matched to brake the steel wire rope, and the lifting and closing work of the gate is completed;

step two, as shown in fig. 2-3, when a user needs to pull up the gate, the user opens the first motor 104, the first motor 104 drives the speed reducer 105 to start to operate, the speed reducer 105 drives the transmission shaft 204 to start to rotate, the transmission shaft 204 drives the pinion 202 with the upper portion clamped thereon, the pinion 202 is in meshed connection with the bull gear 201, so that the bull gear 201 drives the winding drum 203 to start to rotate, the winding drum 203 pulls the gate to ascend through the steel wire rope, when the gate needs to stop at a certain height, the other side of the winding drum 203 is provided with the braking device 3, since the braking fixture block 305 is coaxially clamped with the winding drum 203, the braking fixture block 305 drives the braking pawl 304 with the upper portion connected thereto to start to rotate clockwise, and at this time, the braking pawl 304 is disengaged from the inner gear ring 306 between the braking ratchet wheel 301, when the first motor 104 stops rotating, the gate starts to drive the winding drum 203 to rotate anticlockwise under the action of the dead weight, the brake pawl 304 is clamped into the inner gear ring 306, so that the gate is limited to descend through the brake ratchet wheel 301, the gate hovers at a specified height, the brake ratchet wheel 301 is connected with the brake gear 302 through the toothed belt 303, and the brake gear 302 is connected with the second motor 307 through the worm, so that the brake gear 302 cannot rotate, and the gate is braked;

step three, as shown in fig. 1 to 3, when the user needs to lower the gate, the second motor 307 is opened at this moment, the second motor 307 drives the brake gear 302 to rotate counterclockwise and further drives the brake ratchet 301 to rotate counterclockwise, at this moment, the brake pawl 304 is clamped with the brake ratchet 301, so that the winding drum 203 is smoothly driven to rotate counterclockwise, the gate slowly descends at this moment until the original position is reached, and at this moment, the second motor 307 is closed, and the gate is closed.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting the machinery setting, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A hoist, its characterized in that: comprises a base (1); a first support (101) is arranged on one side of the middle line position of the upper part of the base (1) in the length direction; a second support (102) is arranged on one side of the upper part of the base (1); bearing supports (103) are symmetrically arranged on two sides of the width of the middle position of the upper part of the base (1); the first support (101), the second support (102) and the bearing support (103) are respectively connected with the base (1) through bolts; a first motor (104) is arranged at the upper part of the first support (101); the first motor (104) is connected with the first support (101) through bolts; a speed reducer (105) is arranged at the upper part of the second support (102); the speed reducer (105) is connected with the second support (102) through bolts; the speed reducer (105) is connected with the first motor (104) through a coupling; one side of the speed reducer (105) is provided with a winding device (2); the hoisting device (2) is connected with the base (1) through bolts.

2. The hoisting hoist as claimed in claim 1, wherein: the winding device (2) comprises a large gear (201), a small gear (202), a winding drum (203), a transmission shaft (204) and a braking device (3); the transmission shaft (204) is clamped with the speed reducer (105); the large gear (201) and the small gear (202) are in meshed connection; the pinion (202) is clamped with the transmission shaft (204); the bull gear (201) and the winding drum (203) are clamped; one side of the winding drum (203) is provided with a braking device (3).

3. The hoist as claimed in claim 2, wherein: the braking device (3) comprises a braking ratchet wheel (301), a braking gear (302), a toothed belt (303), a braking pawl (304), a braking clamping block (305) and a second motor (307); the brake clamping block (305) is coaxially clamped with the winding drum (203); two ends of the outer part of the brake clamping block (305) are symmetrically provided with brake pawls (304); the braking pawl (304) is connected with the braking clamping block (305) by a rotating shaft; the brake gear (302) is clamped with the transmission shaft (204); the brake ratchet wheel (301) is connected with the brake gear (302) by a toothed belt (303); the second motor (307) is in threaded connection with the transmission shaft (204).

4. The hoist as claimed in claim 3, wherein: an inner gear ring (306) is arranged in the brake ratchet wheel (301); the brake pawl (304) is clamped with the inner gear ring (306).