CN110589706B - Prevent that lifting rope from rocking and stall for small-size heavy object hoist of auto-lock when rolling - Google Patents
Prevent that lifting rope from rocking and stall for small-size heavy object hoist of auto-lock when rolling Download PDFInfo
- Publication number
- CN110589706B CN110589706B CN201910835231.7A CN201910835231A CN110589706B CN 110589706 B CN110589706 B CN 110589706B CN 201910835231 A CN201910835231 A CN 201910835231A CN 110589706 B CN110589706 B CN 110589706B
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- sleeve
- rope
- fixedly connected
- heavy object
- spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/32—Detent devices
Abstract
The invention relates to the technical field of cranes, and discloses a crane for small-sized heavy objects, which prevents a lifting rope from shaking and stalls and is self-locked when being wound, and comprises a winding device, wherein a rotating shaft is movably connected inside the winding device; through the thimble group, the rope, under the combined action of coil spring and fixed block, make the device before the heavy object is hoisted, the rope is shorter and by the parcel of thimble group, be convenient for catch the heavy object, through the thimble group, under the combined action of coiling mechanism, the thimble group is contracted by the effect of coiling mechanism, wrap up tensile part's rope comprehensively, guarantee when hoisting the heavy object and remove, can not make the heavy object rock, combined action through baffle and splint, all have the location to it when the rope is tensile and rolling, the effect that slows down, through the pivot, the pendulum rod, under the combined action of cam and ratchet, prevent the pivot rotation, effectual protection coiling mechanism, avoid the operating speed to make equipment wearing and tearing at the excessive speed, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a crane for small-sized heavy objects, which can prevent a lifting rope from shaking and stall and self-lock when being wound.
Background
The crane is a hoisting machine used for vertically lifting and horizontally carrying heavy objects, is widely used in various places such as factories, goods yards, warehouses, ports and the like, can be divided into four types of light and small types, bridge types, arm support types and cable types according to the structure and the performance of the crane, brings great convenience for the industrial production and the development of the construction industry, generally consists of a frame, a mechanism and a control system, and alternately and circularly works among several actions such as material taking, transporting, unloading and the like, the rope of the crane plays an indispensable role in the process, and the rope of the crane at present has the following problems in use:
general hoist transports small-size heavy object, and the machine becomes static by the motion state, and at this in-process, the rope has inertia, can drive the heavy object and lean forward, thereby take place the swing, be unfavorable for putting fast of heavy object, work efficiency is low, and can make fragile article bump and damage when the rope swing is violent, produce unnecessary economic loss, some hoists adopt the mode of receiving and releasing the rope to move and avoid the rope to rock, but the rope probably velocity of motion is too fast when receiving and releasing, thereby damage equipment.
Aiming at the defects of the prior art, the invention provides a small-sized crane for heavy objects, which can prevent a lifting rope from shaking and stalling and self-locking when rolling, has the advantages of preventing the lifting rope from shaking and stalling and self-locking when rolling, solves the problems of violent rope shaking and equipment damage, ensures that the rope is shorter and is wrapped by a sleeve pipe group before the crane lifts the heavy objects, is convenient to hook the heavy objects so as to prevent the rope from violently shaking due to wind power or machine movement and difficult to grasp the heavy objects in a rotating way, ensures that the heavy objects cannot shake when the crane lifts the heavy objects to move, avoids the collision and damage of the objects in the heavy objects, avoids the safety accident caused by the heavy objects thrown out due to the large-amplitude rope shaking, can position and slow down the rope, avoids the equipment damage caused by the overlarge rope winding and unrolling speed, stops moving when a rotating shaft rotates too fast, effectively protects a rolling device, avoids the equipment from being, reducing the service life.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose of preventing the lifting rope from shaking and stalling and self-locking when being rolled, the invention provides the following technical scheme: a hoisting machine for small-sized heavy objects, which can prevent hoisting ropes from shaking and stall and self-lock when in rolling, comprises a rolling device, wherein the inner part of the rolling device is movably connected with a rotating shaft, the outer side of the rolling device is fixedly connected with a sleeve pipe group, the lower part of the sleeve pipe group is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with a hook, the inner part of the rolling device is movably connected with a rope, the outer side of the rope is fixedly connected with a positioning block, the outer side of the rope is fixedly connected with a coil spring, the outer side of the coil spring is movably connected with a fixed block, the inner wall of the rolling device is fixedly connected with a connecting block, the outer side of the connecting block is movably connected with a baffle plate, the outer side of the baffle plate is fixedly connected with a clamping plate, the outer side of the rotating shaft, the inside of the second sleeve is movably connected with a third sleeve.
Preferably, the two positioning blocks are identical in size and are positioned on two sides of the outlet of the winding device.
Preferably, it is characterized in that: the rope is coiled inside the winding device, and one side of the rope, far away from the coil spring, is fixedly connected with the connecting plate.
Preferably, it is characterized in that: the fixed block is located the central point of coil spring and puts, and the notch has been seted up at the middle part of fixed block, and part coil spring fixed connection is in the notch, the top fixedly connected with pivot of fixed block.
Preferably, splint have two and the size is unanimous, with connecting block fixed connection to the axis of connecting block presents the symmetric distribution as the reference, and the channel has been seted up to one side that splint are close to the baffle, the equal fixedly connected with ball of size in both sides of dog, and its ball activity card is in the channel of splint, and the bottom swing joint of dog has the spring, and one side and the connecting block swing joint of dog are kept away from to the spring, and one side that the spring was kept away from to the dog presents the concave arc form.
Preferably, one side fixedly connected with nose bar at pivot edge is kept away from to the pendulum rod, the pendulum rod passes through nose bar and pivot swing joint, one side swing joint that the pendulum rod is close to the nose bar has the spring, one side fixedly connected with lug of pendulum rod is kept away from to the spring, lug and pivot fixed connection, circular channel has been seted up on the surface of pivot, the outside of the protruding department of cam is connected with the spring, one side that the cam was kept away from to the spring and the inner wall swing joint of channel, cam activity card is in the channel, its outside of nose bar one side is kept away from to its pendulum rod that lies in, the outside of cam is equipped with two unanimous sawtooth of size, the size looks.
Preferably, the pipe walls of the first sleeve and the second sleeve are provided with two through holes with the same size, the through holes are symmetrically distributed by taking the central axes of the first sleeve and the second sleeve as reference, both sides of the first sleeve and the second sleeve are movably connected with springs, the second sleeve penetrates through the through holes of the first sleeve and is movably connected with the springs at the bottom of the second sleeve, the third sleeve penetrates through the through holes of the second sleeve and is movably connected with the springs at the bottom of the third sleeve, one side of the third sleeve, which is far away from the second sleeve, is fixedly connected with the connecting plate, the sizes of the first sleeve, the second sleeve and the third sleeve are larger than the size of a rope, and the rope penetrates through the sleeve group.
(II) advantageous effects
Compared with the prior art, the invention provides the small-sized crane for the heavy object, which can prevent the lifting rope from shaking and stalling and self-locking during rolling, and has the following beneficial effects:
1. under the combined action through thimble group, rope, coil spring and fixed block, the heavy object makes the rope drop-down drive coil spring shrink and the fixed block is rotatory, and the coil spring drives the rope rolling when there is no heavy object, makes the device before hoisting the heavy object, and the rope is shorter and by the parcel of thimble group, is convenient for catch the heavy object to it leads to the rope to acutely rock to receive wind-force effect or machine motion, is difficult to turn but grabs the heavy object.
2. Under the combined action through thimble group, coiling mechanism, the thimble group is contracted by the effect of coiling mechanism, and the rope of tensile part is wrapped up in the whole, guarantees when hoisting the heavy object and removing, can not make the heavy object rock, avoids the condition that the article collision in the heavy object damaged to the rope rocks by a wide margin and throws away the heavy object emergence incident.
3. Through the combined action of baffle and splint, have the effect of location, slowing down to it all when the rope is tensile and rolling, avoid the rope to receive and release speed too acutely and damage equipment.
4. Under the combined action of the rotating shaft, the oscillating bar, the cam and the ratchet wheel, when the rotating shaft rotates the over-fast baffle and the clamping plate have unobvious slowing-down effect, the cam and the ratchet wheel clamp the rotating shaft to prevent the rotating shaft from rotating, the rolling device is effectively protected, the equipment is prevented from being worn and torn due to the over-fast running speed, and the service life is shortened.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the winding device of the present invention;
FIG. 3 is a schematic view of the connection relationship between the connecting block, the baffle and the clamping plate according to the present invention;
FIG. 4 is a sectional view showing the connection between the rotating shaft and the ratchet wheel according to the present invention;
FIG. 5 is a cross-sectional view of a cannula assembly according to an exemplary embodiment of the present invention.
In the figure: 1-a winding device, 2-a rotating shaft, 3-a sleeve set, 4-a connecting plate, 5-a hook, 6-a rope, 7-a positioning block, 8-a coil spring, 9-a fixing block, 10-a connecting block, 11-a baffle, 12-a clamping plate, 13-a swing rod, 14-a cam, 15-a ratchet wheel, 16-a first sleeve, 17-a second sleeve and 18-a third sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a small-sized heavy object crane capable of preventing a lifting rope from shaking and stalling and self-locking during winding comprises a winding device 1, a rotating shaft 2 is movably connected inside the winding device 1, a sleeve pipe set 3 is fixedly connected outside the winding device 1, a connecting plate 4 is fixedly connected below the sleeve pipe set 3, a hook 5 is fixedly connected to the bottom of the connecting plate 4, a rope 6 is movably connected inside the winding device 1, the rope 6 is in a winding state inside the winding device 1, one side of the rope 6, far away from a coil spring 8, is fixedly connected with the connecting plate 4, a positioning block 7 is fixedly connected to the outer side of the rope 6, two positioning blocks 7 are consistent in size and located on two sides of an outlet of the winding device 1, the positioning function is provided for the rope 6, the coil spring 8 is fixedly connected to the outer side of the rope 6, a fixing block 9 is movably connected to the outer side of the, the notch has been seted up at the middle part of fixed block 9, and part coil spring 8 fixed connection is in the notch, and the top fixedly connected with pivot 2 of fixed block 9, the inner wall fixedly connected with connecting block 10 of coiling mechanism 1.
The outer side of the connecting block 10 is movably connected with a baffle 11, the outer side of the baffle 11 is fixedly connected with two clamping plates 12, the clamping plates 12 are two and have the same size, the distance between the clamping plates 12 is larger than the size of the rope 6 and is fixedly connected with the connecting block 10, the central axis of the connecting block 10 is taken as reference to present symmetrical distribution, one side of the clamping plate 12 close to the baffle 11 is provided with a channel, both sides of the baffle 11 are fixedly connected with rolling balls with the same size, the rolling balls are movably clamped in the channel of the clamping plate 12 to facilitate the smooth movement of the baffle 11, the bottom of the baffle 11 is movably connected with a spring, one side of the spring far away from the baffle 11 is movably connected with the connecting block 10, one side of the baffle 11 far away from the spring is in a concave arc shape, the baffle 11 is always contacted with the rope 6, the positioning and, swing rod 13 keeps away from one side fixedly connected with nose bar at 2 edges of pivot, swing rod 13 passes through nose bar and 2 swing joint of pivot, one side swing joint that swing rod 13 is close to the nose bar has the spring, one side fixedly connected with lug of swing rod 13 is kept away from to the spring, lug and 2 fixed connection of pivot, circular channel has been seted up on the surface of pivot 2, the outside of cam 14 bellying is connected with the spring, one side that cam 14 was kept away from to the spring and the inner wall swing joint of channel, cam 14 activity card is in the channel, its bellying is located the outside that its nose bar one side was kept away from to swing rod 13, can promote cam 14 when being convenient for swing rod 13 rotates, cam 14's the outside is equipped with two unanimous sawtooth of size, its size and ratchet 15's size looks adaptation, can receive ratchet 15.
The outer side of the cam 14 is fixedly connected with a ratchet wheel 15, the inner part of the thimble group 3 is fixedly connected with a first thimble 16, the inner part of the first thimble 16 is movably connected with a second thimble 17, the inner part of the second thimble 17 is movably connected with a third thimble 18, the pipe walls of the first thimble 16 and the second thimble 17 are respectively provided with two through holes with the same size, the through holes are symmetrically distributed by taking the central axes of the first thimble 16 and the second thimble 17 as reference, both sides of the first thimble 16 and the second thimble 17 are movably connected with springs, the second thimble 17 passes through the through holes of the first thimble 16 to be movably connected with the springs at the bottoms of the second thimble 17, the third thimble 18 passes through the through holes of the second thimble 17 to be movably connected with the springs at the bottoms of the second thimble 17, one side of the third thimble 18 far away from the second thimble 17 is fixedly connected with the connecting plate 4, the sizes of the first thimble 16, the second thimble 17 and the third thimble 18 are all, the cable 6 passes through the casing set 3, and the first casing 16, the second casing 17 and the third casing 18 are gradually reduced in size, so that the amplitude of the shaking of the cable 6 is reduced.
The working principle is that a user hooks the hook 5 and drives the whole to ascend, the hook 5 drives the pull-down connecting plate 4 to enable the third sleeve 18 to synchronously descend, the third sleeve 18 drives the second sleeve 17 to stretch to cause the first sleeve 16 to synchronously stretch to enable the sleeve group 3 to lengthen, meanwhile, the connecting plate 4 downwards pulls the rope 6, the rope 6 pulls the coil spring 8, the coil spring 8 continuously contracts along with continuous elongation of the rope 6, the fixing block 9 rotates to drive the rotating shaft 2 to synchronously move, and as the rope 6 is clamped at two sides of the clamping plate 12 and extrudes the baffle plate 11 to cause the spring at the bottom of the clamping plate to contract in an initial state, the rope 6 is continuously far away from the connecting block 10, the baffle plate 11 is continuously close to the rope 6 under the action of the spring at the bottom, and the; after the transfer is finished, the hook 5 is separated from the heavy object, the coil spring 8 is in a contraction state and returns to an original state, the fixing block 9 and the rotating shaft 2 are driven to rotate reversely, the rope 6 is driven to be wound into the winding device 1, the rope 6 enables the spring of the baffle plate 11 to contract, the buffering effect is achieved when the rope 6 is wound, the rope 6 drives the connecting plate 4 to be close to the winding device 1, and the sleeve pipe group 3 is shortened; when the rope 6 is wound at a constant speed, the swing rod 13 and the cam 14 rotate at a constant speed along with the rotating shaft 2, when the winding speed of the rope 6 is too high, the swing rod 13 is thrown out along the direction away from the center of the rotating shaft 2 by the centrifugal force of the rotating shaft 2, the swing rod 13 pushes the cam 14, so that the cam 14 is close to the ratchet wheel 15 to rotate eccentrically, the sawtooth of the cam 14 is clamped with the ratchet wheel 15, the rotation of the rotating shaft 2 is limited, and the stalling self-locking effect is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a prevent that lifting rope rocks and when rolling stall for the small-size heavy object hoist of auto-lock, includes coiling mechanism (1), the inside swing joint of coiling mechanism (1) has pivot (2), its characterized in that: the outer side of the winding device (1) is fixedly connected with a sleeve pipe group (3), the lower side of the sleeve pipe group (3) is fixedly connected with a connecting plate (4), the bottom of the connecting plate (4) is fixedly connected with a hook (5), the inner part of the winding device (1) is movably connected with a rope (6), the outer side of the rope (6) is fixedly connected with a positioning block (7), the outer side of the rope (6) is fixedly connected with a coil spring (8), the outer side of the coil spring (8) is movably connected with a fixing block (9), the inner wall of the winding device (1) is fixedly connected with a connecting block (10), the outer side of the connecting block (10) is movably connected with a baffle plate (11), the outer side of the baffle plate (11) is fixedly connected with a clamping plate (12), the outer side of the rotating shaft (2) is movably connected with a swing rod, the interior of the sleeve pipe group (3) is fixedly connected with a first sleeve pipe (16), the interior of the first sleeve pipe (16) is movably connected with a second sleeve pipe (17), and the interior of the second sleeve pipe (17) is movably connected with a third sleeve pipe (18).
2. The crane for small-sized heavy object capable of preventing the lifting rope from shaking and stalling and self-locking during rolling according to claim 1, wherein the crane comprises: the two positioning blocks (7) are identical in size and are positioned on two sides of the outlet of the winding device (1).
3. The crane for small-sized heavy object capable of preventing the lifting rope from shaking and stalling and self-locking during rolling according to claim 1, wherein the crane comprises: the rope (6) is coiled inside the winding device (1), and one side, far away from the coil spring (8), of the rope (6) is fixedly connected with the connecting plate (4).
4. The crane for small-sized heavy object capable of preventing the lifting rope from shaking and stalling and self-locking during rolling according to claim 1, wherein the crane comprises: the central point that is located coil spring (8) of fixed block (9) puts, and the notch has been seted up at the middle part of fixed block (9), and part coil spring (8) fixed connection is in the notch, the top fixedly connected with pivot (2) of fixed block (9).
5. The crane for small-sized heavy object capable of preventing the lifting rope from shaking and stalling and self-locking during rolling according to claim 1, wherein the crane comprises: splint (12) have two and the size is unanimous, with connecting block (10) fixed connection, use the axis of connecting block (10) to present the symmetric distribution as the reference, splint (12) are close to one side of baffle (11) and have seted up the channel, the equal fixedly connected with spin of size in both sides of dog (11), its spin activity card is in the channel of splint (12), the bottom swing joint of dog (11) has the spring, one side and connecting block (10) swing joint that dog (11) were kept away from to the spring, one side that the spring was kept away from in dog (11) presents the concave arc form.
6. The crane for small-sized heavy object capable of preventing the lifting rope from shaking and stalling and self-locking during rolling according to claim 1, wherein the crane comprises: one side fixedly connected with nose bar at pivot (2) edge is kept away from in pendulum rod (13), pendulum rod (13) are through nose bar and pivot (2) swing joint, one side swing joint that pendulum rod (13) are close to the nose bar has the spring, one side fixedly connected with lug of pendulum rod (13) is kept away from to the spring, lug and pivot 2 fixed connection, circular channel has been seted up on the surface of pivot 2, the outside of cam (14) bellying is connected with the spring, the one side of cam (14) and the inner wall swing joint of channel are kept away from to the spring, cam (14) activity card is in the channel, its bellying is located the outside that its nose bar one side was kept away from to pendulum rod (13), the outside of cam (14) is equipped with the sawtooth that two sizes are unanimous, the size looks adaptation of its size.
7. The crane for small-sized heavy object capable of preventing the lifting rope from shaking and stalling and self-locking during rolling according to claim 1, wherein the crane comprises: the wall of each of the first sleeve (16) and the second sleeve (17) is provided with two through holes with the same size, the through holes are symmetrically distributed by taking the central axes of the first sleeve (16) and the second sleeve (17) as reference, two sides of the first sleeve (16) and the second sleeve (17) are movably connected with springs, the second sleeve (17) penetrates through the through hole of the first sleeve (16) to be movably connected with the spring at the bottom of the first sleeve, the third sleeve (18) penetrates through the through hole of the second sleeve (17) to be movably connected with the spring at the bottom of the second sleeve, one side, far away from the second sleeve (17), of the third sleeve (18) is fixedly connected with the connecting plate (4), the sizes of the first sleeve (16), the second sleeve (17) and the third sleeve (18) are larger than that of the rope (6), and the rope (6) penetrates through the sleeve group (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835231.7A CN110589706B (en) | 2019-09-05 | 2019-09-05 | Prevent that lifting rope from rocking and stall for small-size heavy object hoist of auto-lock when rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835231.7A CN110589706B (en) | 2019-09-05 | 2019-09-05 | Prevent that lifting rope from rocking and stall for small-size heavy object hoist of auto-lock when rolling |
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| Publication Number | Publication Date |
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| CN110589706A CN110589706A (en) | 2019-12-20 |
| CN110589706B true CN110589706B (en) | 2021-01-29 |
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| CN201910835231.7A Active CN110589706B (en) | 2019-09-05 | 2019-09-05 | Prevent that lifting rope from rocking and stall for small-size heavy object hoist of auto-lock when rolling |
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Families Citing this family (4)
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| CN112320602A (en) * | 2020-09-29 | 2021-02-05 | 安塔(福建)机械设备实业有限公司 | A play to rise wire rope and prevent disconnected rope device for tower crane |
| CN113906982B (en) * | 2021-11-02 | 2022-09-09 | 中国农业科学院农田灌溉研究所 | A drip irrigation device under membrane for saline and alkaline land improvement |
| CN114104987B (en) * | 2022-01-25 | 2022-04-22 | 河南省祥东交通建设工程有限公司 | Portal crane for bridge deck pavement |
| CN116239015B (en) * | 2023-05-09 | 2023-07-18 | 河南省格兴智能科技有限责任公司 | Anti-rolling buffering stabilizing device of crane sling and operating system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB526091A (en) * | 1939-10-20 | 1940-09-10 | Mann Egerton & Co Ltd | Improvements in and relating to friction brake devices for hoisting gear |
| CN85200484U (en) * | 1985-04-01 | 1985-09-10 | 湖南省机械研究所 | Light-duty autobraking horizontal arm crane |
| CN2072037U (en) * | 1990-03-24 | 1991-02-27 | 嵇先亮 | Movable light twister |
| CN2155666Y (en) * | 1993-04-16 | 1994-02-16 | 河南省商丘市机床厂 | Highly mounting hauler |
| CN1184772A (en) * | 1996-12-09 | 1998-06-17 | 仲建元 | Arrangement for preventing persons from falling down for lifting equipment |
| CN201545657U (en) * | 2009-10-30 | 2010-08-11 | 河南省黄河防爆起重机有限公司 | Double beam bridge crane with safety brake |
| CN103449326B (en) * | 2013-09-09 | 2015-12-02 | 国家电网公司 | With the rope sheave of self-locking device |
| CN106629451A (en) * | 2015-11-02 | 2017-05-10 | 东北林业大学 | Teagle of small skidding tractor |
| CN107381408A (en) * | 2017-07-31 | 2017-11-24 | 武汉船用机械有限责任公司 | A kind of roller of brake gear and extra large work crane |
| CN108190775A (en) * | 2018-01-11 | 2018-06-22 | 贾羽威 | A kind of stepless buffer unit of electric block steel wire rope |
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Effective date of registration: 20210108 Address after: 201800 room 111, building 2, 1399 Shengzhu Road, Juyuan New District, Jiading District, Shanghai Applicant after: Shanghai Chaofu Construction Machinery Equipment Installation Co.,Ltd. Address before: 361006 room 1106, building B, No.2 yen Erli, Huli District, Xiamen City, Fujian Province Applicant before: Xiamen Yuyao Trading Co.,Ltd. |
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