CN211004312U - Steel wire rope reel locking device for tower crane - Google Patents
Steel wire rope reel locking device for tower crane Download PDFInfo
- Publication number
- CN211004312U CN211004312U CN201922037818.1U CN201922037818U CN211004312U CN 211004312 U CN211004312 U CN 211004312U CN 201922037818 U CN201922037818 U CN 201922037818U CN 211004312 U CN211004312 U CN 211004312U
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- pawl
- reel
- wire rope
- ratchet
- tower crane
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Abstract
The utility model discloses a wire rope reel locking device for tower crane, including being used for rolling up wire rope's reel and being used for the drive reel pivoted wire rope hoist motor, the axial both sides of reel are provided with spacing baffle and in both sides respectively leave the coiling space that supplies wire rope to convolute between the spacing baffle, the reel still coaxial coupling have the ratchet, simultaneously still the configuration with ratchet complex pawl works as forbid during ratchet and pawl cooperation locking the reel unreels the direction towards wire rope and rotates, the pawl still disposes release mechanism, release mechanism is including pulling pawl wobbling haulage cable, be used for the rolling the reel of haulage cable and be used for the drive reel pivoted haulage cable hoist motor.
Description
Technical Field
The utility model relates to a tower crane field especially relates to a wire rope reel locking device for tower crane.
Background
The tower crane is the most common hoisting equipment in the construction site, also known as tower crane, and is lengthened section by section for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like. The tower crane is an indispensable device on a construction site. The lifting of the lifting hook of the tower crane is realized by hoisting the steel wire rope, however, the winding device of the steel wire rope in the prior art is only locked by the motor, and when the load is too high, the torque of the motor is insufficient, so that the winding drum is easy to reverse, the steel wire rope is accidentally unwound, and the load-bearing object falls.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide a novel structure, security height, can prevent that the unexpected wire rope reel locking device who is used for the tower crane that unreels of reel.
In order to realize the above purpose, the utility model discloses the technical scheme who adopts is:
the utility model provides a wire rope reel locking device for tower crane, is including the reel that is used for rolling up wire rope and being used for the drive reel pivoted wire rope hoist motor, the axial both sides of reel are provided with spacing baffle and in both sides respectively leave the coiling space that supplies wire rope to convolute between the spacing baffle, the reel still coaxial coupling have the ratchet, simultaneously still the configuration with ratchet complex pawl works as forbid during ratchet and pawl cooperation locking the reel is unreeled the direction and is rotated towards wire rope, the pawl still disposes release mechanism, release mechanism is including pulling pawl wobbling haulage cable, be used for the rolling the reel of haulage cable and be used for the drive the reel pivoted haulage cable hoist motor.
The utility model has the advantages that: the utility model discloses a ratchet is installed to the reel, still disposes the pawl simultaneously, utilizes ratchet and pawl cooperation can prevent that the tower crane from rising to rise the in-process reel orientation that carries thing (rolling wire rope promptly) and unreels the direction and rotate to avoid the reel accident to unreel and cause the accident that carries the thing and drop. In addition, when the ratchet and the pawl need to be unlocked, the traction cable can be wound by the traction cable winding motor to drive the pawl to swing and unlock, manpower is not needed in the unlocking process, and the safety hazard of high-altitude operation is convenient to operate and reduced.
Furthermore, the pawl is hinged on the limiting partition plate on the same side as the ratchet wheel. The pawl is installed by utilizing the limiting partition plate, so that the number of the integral parts of the device can be reduced, the structure is more compact, and the material cost is reduced.
Furthermore, a baffle plate is arranged between the traction cable winding motor and the pawl. Utilize the baffle to carry on spacingly to the pawl and prevent pawl and motor collision, utilize the baffle to avoid haulage cable and ratchet contact to a certain extent also simultaneously.
Further, the pawl comprises a hinge part, a pawl body and a swing rod used for being connected with the traction cable, the distance between the end part of the swing rod and the hinge part is larger than the distance between the end part of the pawl body and the hinge part, and when the pawl is matched and locked with the ratchet wheel, the length direction of the swing rod is tangent to the ratchet wheel. Because the distance between the end part of the swing rod and the hinge part is larger than the distance between the end part of the pawl body and the hinge part, the arm of force length of the end part of the swing rod is larger than that of the pawl, so that the pull cable can drive the swing rod to swing and unlock by smaller pulling force, and in addition, the swing rod is tangent to the ratchet wheel, so that the collision between the ratchet wheel and the swing rod can be avoided, and the traction cable can be prevented from being.
Further, the pawl is arranged on the upper side of the ratchet wheel. The pawl is arranged on the upper side of the ratchet wheel and can be kept to be locked with the ratchet wheel through self weight.
Drawings
Fig. 1 is a side view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a front view of the ratchet according to the present invention.
The device comprises a winding drum 1, a limiting partition plate 11, a steel wire rope winding motor 2, a ratchet wheel 3, a pawl 4, a hinged part 41, a pawl body 42, a swing rod 43, a traction rope 51, a winding wheel 52, a traction rope winding motor 53 and a baffle 6.
Detailed Description
The claimed technical solution of the present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, the locking device for a steel wire rope reel 1 in the present embodiment includes a reel 1 for winding a steel wire rope and a steel wire rope winding motor 2 for driving the reel 1 to rotate, wherein two axial sides of the reel 1 are respectively provided with a limiting partition plate 11, and a winding space for winding the steel wire rope is reserved between the limiting partition plates 11 at the two axial sides. The winding drum is characterized in that a ratchet wheel 3 is coaxially connected to one side of the winding drum 1, a pawl 4 matched with the ratchet wheel 3 is hinged to a limiting partition plate 11 on the same side as the ratchet wheel 3, and the pawl 4 is arranged on the upper side of the ratchet wheel 3 to enable the pawl 4 to be locked with the ratchet wheel 3 through self weight. The pawl 4 comprises a hinge part 41, a pawl body 42 and a swing rod 43 used for connecting the traction cable 51, the distance between the end part of the swing rod 43 and the hinge part 41 is larger than the distance between the end part of the pawl body 42 and the hinge part 41, and the distance between the end part of the swing rod 43 and the hinge part 41 is larger than the distance between the end part of the pawl body 42 and the hinge part 41, so that the length of the arm of force at the end part of the swing rod 43 is larger than that of the arm of force of the pawl 4, and the traction cable 51 can drive the swing. When the ratchet wheel 3 is matched and locked with the pawl 4, the winding drum 1 is prohibited from rotating towards the unwinding direction of the steel wire rope, and when the pawl 4 is matched and locked with the ratchet wheel 3, the length direction of the swing rod 43 is tangent to the ratchet wheel 3.
The pawl 4 is also provided with an unlocking mechanism, the unlocking mechanism comprises a traction cable 51 for pulling the pawl 4 to swing, a winding wheel 52 for winding the traction cable 51 and a traction cable winding motor 53 for driving the winding wheel 52 to rotate, and in order to prevent the pawl 4 from colliding with the traction cable winding motor 53, a baffle 6 is further arranged between the traction cable winding motor 53 and the pawl 4.
The working principle of the locking device of the wire rope reel 1 in the embodiment is as follows: when the wire rope hoisting motor 2 is in an idle state or a load lifting state, the pawl 4 and the ratchet wheel 3 are in a locking state, the traction rope 51 is not wound and tensioned by the traction rope hoisting motor 53, and the pawl 4 can still swing downwards under the action of the self weight of the pawl and clamp the ratchet wheel 3. Because ratchet 3 forbids when locking with pawl 4 the reel 1 is unreeled the direction and is rotated towards wire rope, and reel 1 rolling is not influenced, therefore pawl 4 can not exert an influence to it with ratchet 3 locking cooperation when idle state or lifting state, in case wire rope hoist motor 2 accidental damage, reel 1 can be prevented that the thing that bears accidental weight down by pawl 4 and ratchet 3 locking.
When the load needs to be lowered, the winding drum 1 needs to rotate towards the unwinding direction, at the moment, the traction rope winding motor 53 drives the winding wheel 52 to rotate and wind the traction rope 51, the pawl 4 swings upwards under the pulling action of the traction rope 51, at the moment, the pawl 4 cannot be matched and clamped with the ratchet wheel 3, and the winding drum 1 can rotate freely under the driving of the steel wire rope winding motor 2. The unlocking process does not need manpower, and the unlocking device is convenient to operate and reduces the potential safety hazard of high-altitude operation.
The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.
Claims (5)
1. The utility model provides a wire rope reel locking device for tower crane, is including reel (1) that is used for rolling wire rope and being used for the drive reel (1) pivoted wire rope hoist motor (2), the axial both sides of reel (1) are provided with spacing baffle (11) respectively and in both sides leave the coiling space that supplies the wire rope to convolute between spacing baffle (11), its characterized in that: reel (1) still coaxial coupling have ratchet (3), simultaneously still the configuration with ratchet (3) complex pawl (4), work as prohibit when ratchet (3) and pawl (4) cooperation are locked reel (1) unreels the direction and rotates towards wire rope, pawl (4) still dispose release mechanism, release mechanism is including drawing pawl (4) wobbling haulage cable (51), be used for the rolling the reel (52) of haulage cable (51) and being used for the drive reel (52) pivoted haulage cable hoist motor (53).
2. The steel wire rope reel locking device for the tower crane according to claim 1, characterized in that: the pawl (4) is hinged on a limiting partition plate (11) on the same side as the ratchet wheel (3).
3. The steel wire rope reel locking device for the tower crane according to claim 1, characterized in that: and a baffle (6) is arranged between the traction cable winding motor (53) and the pawl (4).
4. The steel wire rope reel locking device for the tower crane according to claim 1, characterized in that: the pawl (4) comprises a hinge part (41), a pawl body (42) and a swing rod (43) used for connecting the traction cable (51), the distance between the end part of the swing rod (43) and the hinge part (41) is larger than the distance between the end part of the pawl body (42) and the hinge part (41), and when the pawl (4) is matched and locked with the ratchet wheel (3), the length direction of the swing rod (43) is tangent to the ratchet wheel (3).
5. The steel wire rope reel locking device for the tower crane according to claim 1, characterized in that: the pawl (4) is arranged on the upper side of the ratchet wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922037818.1U CN211004312U (en) | 2019-11-22 | 2019-11-22 | Steel wire rope reel locking device for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922037818.1U CN211004312U (en) | 2019-11-22 | 2019-11-22 | Steel wire rope reel locking device for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211004312U true CN211004312U (en) | 2020-07-14 |
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ID=71475574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922037818.1U Active CN211004312U (en) | 2019-11-22 | 2019-11-22 | Steel wire rope reel locking device for tower crane |
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| Country | Link |
|---|---|
| CN (1) | CN211004312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113582057A (en) * | 2021-08-10 | 2021-11-02 | 常州大学 | Self-protection type hoisting crane |
| CN113942021A (en) * | 2021-09-15 | 2022-01-18 | 罗浔 | Robot for base station installation |
-
2019
- 2019-11-22 CN CN201922037818.1U patent/CN211004312U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113582057A (en) * | 2021-08-10 | 2021-11-02 | 常州大学 | Self-protection type hoisting crane |
| CN113582057B (en) * | 2021-08-10 | 2022-09-09 | 常州大学 | Self-protection type hoisting crane |
| CN113942021A (en) * | 2021-09-15 | 2022-01-18 | 罗浔 | Robot for base station installation |
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