CN212953873U - Anti-overload hook device for tower crane - Google Patents
Anti-overload hook device for tower crane Download PDFInfo
- Publication number
- CN212953873U CN212953873U CN202021595297.8U CN202021595297U CN212953873U CN 212953873 U CN212953873 U CN 212953873U CN 202021595297 U CN202021595297 U CN 202021595297U CN 212953873 U CN212953873 U CN 212953873U
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- Prior art keywords
- wheel seat
- tower crane
- connecting plate
- lifting hook
- surge bin
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a tower crane is with preventing hook assembly that overloads, including the lifting hook main part, the vertical end top fixed mounting of lifting hook main part has first wheel seat, first wheel seat top transmission is connected with second wheel seat, second wheel seat top is provided with the surge bin. The utility model discloses in, the lifting hook main part combines the back with the external material, the hoist is mentioned the surge bin and is driven the second wheel seat, first wheel seat moves up with the lifting hook main part, the pull rod can drive the tensile second spring of connecting plate and make the connecting plate move down, realize lifting of material, if the material catches on the ground heavy object, the connecting plate can stretch the second spring by a wide margin, the movable contact and the stationary contact of table wall in the surge bin bottom that are up to the connecting plate bottom combine, audible-visual annunciator is sounded this moment, remind the operating personnel hoist to be overload state with this, and then avoid causing the incident, thereby the security that tower crane used with the lifting hook device has been improved.
Description
Technical Field
The utility model relates to a tower crane technical field especially relates to a tower crane is with preventing hook assembly that overloads.
Background
Tower cranes, also known as tower cranes, originate in western europe. And the movable arm is arranged on the rotary crane at the upper part of the high-rise tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base and the like. The working mechanism has four parts of lifting, amplitude variation, rotation and walking. The electric system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device and the like.
Firstly, when the existing tower crane lifts a heavy object by lifting an arm, if a material lifted by the hook hooks the heavy object on the ground, the weight is increased in the arm lifting process, and after the weight exceeds the bearing range of the tower crane, a major accident is easily caused, so that the use safety of the existing hook device for the tower crane is reduced; secondly, current for tower crane hook device mounted position is comparatively fixed for most lifting hooks only can carry out axial rotation, and its home range is comparatively limited, makes operating personnel comparatively loaded down with trivial details when combining lifting hook and material, thereby has reduced the convenience that current for tower crane hook device used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, the invention provides an overload-preventing hook device for a tower crane.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a tower crane is with preventing hook assembly that overloads, includes the lifting hook main part, the vertical end top fixed mounting of lifting hook main part has first wheel seat, first wheel seat top transmission is connected with the second wheel seat, second wheel seat top is provided with the surge bin, surge bin inner chamber top has the connecting plate through second spring elastic connection, connecting plate bottom fixed mounting have with second wheel seat fixed connection's pull rod, the connecting plate bottom is provided with movable contact and stationary contact respectively with surge bin inner chamber bottom, surge bin vertical end outside table wall fixed mounting has audible-visual annunciator.
As a further description of the above technical solution:
the inner surface walls of the longitudinal ends of the first wheel seat and the second wheel seat are respectively connected with a first pulley and a second pulley in a rotating way, and the first pulley and the second pulley are in transmission connection through a plurality of groups of steel cables.
As a further description of the above technical solution:
the outer surface wall of the vertical end of the lifting hook main body is rotatably connected with a stop lever through a bearing seat, and a first spring is elastically connected between the stop lever and the bearing seat.
As a further description of the above technical solution:
the connecting plate horizontal end both sides all fixed mounting have the slider, the slider passes through the spout of vertical setting and the vertical end inside surface wall sliding connection of surge bin.
As a further description of the above technical solution:
and a sealing cover is arranged on the outer side of the audible and visual alarm.
As a further description of the above technical solution:
and a sealing ring is embedded between the bottom of the buffer bin and the pull rod.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, the lifting hook main part combines the back with the external material, the hoist is mentioned the surge bin and is driven the second wheel seat, first wheel seat moves up with the lifting hook main part, the pull rod can drive the tensile second spring of connecting plate and make the connecting plate move down, realize lifting of material, if the material catches on the ground heavy object, the connecting plate can stretch the second spring by a wide margin, the movable contact and the stationary contact of table wall in the surge bin bottom that are up to the connecting plate bottom combine, audible-visual annunciator is sounded this moment, remind the operating personnel hoist to be overload state with this, and then avoid causing the incident, thereby the security that tower crane used with the lifting hook device has been improved.
2. The utility model discloses in, through set up second wheel seat and first wheel seat between surge bin and lifting hook main part, and be connected through the transmission of multiunit cable wire between first pulley and the second pulley, the multiunit cable wire has provided great home range for the lifting hook main part of first wheel seat bottom when having guaranteed lifting hook device's resistance to pressure for the lifting hook main part can carry out the activity of multi-angle according to the position of material, thereby has improved the convenience that the lifting hook device used for tower crane.
Drawings
Fig. 1 shows a schematic structural diagram provided according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first wheel seat and a second wheel seat provided according to an embodiment of the present invention;
fig. 3 is a schematic front view of a structure provided according to an embodiment of the present invention;
illustration of the drawings:
1. a hook body; 2. a first wheel seat; 3. a second wheel seat; 4. a buffer bin; 5. a connecting plate; 6. a chute; 7. a movable contact; 8. a stationary contact; 9. a pull rod; 10. a second pulley; 11. a steel cord; 12. a first pulley; 13. a bearing seat; 14. a gear lever; 15. a first spring; 16. an audible and visual alarm; 17. a slider; 18. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a tower crane is with preventing hook assembly that overloads, including lifting hook main part 1, lifting hook main part 1 vertical end top fixed mounting has first wheel seat 2, the transmission of first wheel seat 2 top is connected with second wheel seat 3, second wheel seat 3 top is provided with surge bin 4, there is connecting plate 5 at 4 inner chamber tops of surge bin through second spring 18 elastic connection, 5 bottom fixed mounting of connecting plate have with second wheel seat 3 fixed connection's pull rod 9, 5 bottom of connecting plate and 4 inner chamber bottoms of surge bin are provided with movable contact 7 and stationary contact 8 respectively, 4 vertical end outside surface wall fixed mounting of surge bin has audible-visual annunciator 16, audible-visual annunciator 16 is preferably LTE-110 rotary alarm.
Specifically, as shown in fig. 1 and 2, the inner surface walls of the longitudinal ends of the first wheel seat 2 and the second wheel seat 3 are respectively connected with a first pulley 12 and a second pulley 10 in a rotating manner, the first pulley 12 and the second pulley 10 are in transmission connection through a plurality of groups of steel cables 11, the steel cables 11 ensure the pressure resistance of the lifting hook device and provide a large moving range for the lifting hook main body 1 at the bottom of the first wheel seat 2, so that the lifting hook main body 1 can perform multi-dimensional movement according to the position of a material, and the use convenience of the lifting hook device for the tower crane is improved.
Specifically, as shown in fig. 1, the outer surface wall of the vertical end of the hook body 1 is rotatably connected with a stopper rod 14 through a bearing seat 13, and a first spring 15 is elastically connected between the stopper rod 14 and the bearing seat 13 for assisting in positioning the material hanging rope, thereby ensuring the stability of the material in transportation.
Specifically, as shown in fig. 1, the sliding blocks 17 are fixedly mounted on two sides of the horizontal end of the connecting plate 5, and the sliding blocks 17 are connected with the inner surface wall of the vertical end of the buffer bin 4 in a sliding mode through the vertically arranged sliding grooves 6, so that the connecting plate 5 can stably move downwards.
Specifically, as shown in fig. 1, a sealing cover is disposed outside the audible and visual alarm 16, so as to protect the audible and visual alarm 16.
Specifically, as shown in fig. 1, a sealing ring is embedded between the bottom of the surge bin 4 and the pull rod 9, so that the pull rod 9 can stably move and the air tightness of the joint of the pull rod 9 and the surge bin 4 is ensured.
The working principle is as follows: when the lifting hook device is used, after the lifting hook main body 1 is combined with an external material, the crane lifts the buffer bin 4 to drive the second wheel seat 3, the first wheel seat 2 and the lifting hook main body 1 to move upwards, the pull rod 9 can drive the connecting plate 5 to stretch the second spring 18 and enable the connecting plate 5 to move downwards, so that the material is lifted, if the material hooks a ground heavy object, the connecting plate 5 can greatly stretch the second spring 18 until the movable contact 7 at the bottom of the connecting plate 5 is combined with the fixed contact 8 on the inner surface wall at the bottom of the buffer bin 4, at the moment, the audible and visual alarm 16 sounds to remind an operator that the crane is in an overload state, so that safety accidents are avoided, the use safety of the lifting hook device for the tower crane is improved, the second wheel seat 3 and the first wheel seat 2 are additionally arranged between the buffer bin 4 and the lifting hook main body 1, and the first pulley 12 and the second pulley 10 are in transmission connection through a plurality of, the hook body 1 of 2 bottoms of first wheel seat has provided great home range for the hook body 1 of multiunit cable wire 11 when having guaranteed hook assembly's resistance to pressure for hook body 1 can carry out multidimension's activity according to the position of material, thereby has improved the convenience that hook assembly used for tower crane.
The above, 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 (6)
1. The utility model provides a tower crane is with preventing hook assembly that overloads, includes lifting hook main part (1), its characterized in that, lifting hook main part (1) vertical end top fixed mounting has first wheel seat (2), first wheel seat (2) top transmission is connected with second wheel seat (3), second wheel seat (3) top is provided with surge bin (4), there is connecting plate (5) at surge bin (4) inner chamber top through second spring (18) elastic connection, connecting plate (5) bottom fixed mounting have with second wheel seat (3) fixed connection's pull rod (9), connecting plate (5) bottom and surge bin (4) inner chamber bottom are provided with movable contact (7) and stationary contact (8) respectively, surge bin (4) vertical end outside table wall fixed mounting has audible-visual annunciator (16).
2. The anti-overload hook device for the tower crane according to claim 1, wherein the inner surface walls of the longitudinal ends of the first wheel seat (2) and the second wheel seat (3) are respectively rotatably connected with a first pulley (12) and a second pulley (10), and the first pulley (12) and the second pulley (10) are in transmission connection through a plurality of groups of steel cables (11).
3. The overload-preventing lifting hook device for the tower crane according to claim 1, wherein the outer surface wall of the vertical end of the lifting hook body (1) is rotatably connected with a stop lever (14) through a bearing seat (13), and a first spring (15) is elastically connected between the stop lever (14) and the bearing seat (13).
4. The anti-overload hook device for the tower crane according to claim 1, wherein sliding blocks (17) are fixedly mounted on two sides of the horizontal end of the connecting plate (5), and the sliding blocks (17) are slidably connected with the inner surface wall of the vertical end of the buffer bin (4) through vertically arranged sliding grooves (6).
5. The anti-overload hook device for the tower crane according to claim 1, wherein a sealing cover is arranged outside the audible and visual alarm (16).
6. The anti-overload hook device for the tower crane according to claim 1, wherein a sealing ring is embedded between the bottom of the surge bin (4) and the pull rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021595297.8U CN212953873U (en) | 2020-08-04 | 2020-08-04 | Anti-overload hook device for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021595297.8U CN212953873U (en) | 2020-08-04 | 2020-08-04 | Anti-overload hook device for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212953873U true CN212953873U (en) | 2021-04-13 |
Family
ID=75347858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021595297.8U Expired - Fee Related CN212953873U (en) | 2020-08-04 | 2020-08-04 | Anti-overload hook device for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212953873U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321114A (en) * | 2021-06-30 | 2021-08-31 | 广西贵港建设集团有限公司 | Hoisting mechanism for municipal bridge construction and use method thereof |
| CN117623094A (en) * | 2023-12-07 | 2024-03-01 | 广东金志利科技股份有限公司 | Safety buckle monitoring device for aerocar lifting hook |
-
2020
- 2020-08-04 CN CN202021595297.8U patent/CN212953873U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321114A (en) * | 2021-06-30 | 2021-08-31 | 广西贵港建设集团有限公司 | Hoisting mechanism for municipal bridge construction and use method thereof |
| CN117623094A (en) * | 2023-12-07 | 2024-03-01 | 广东金志利科技股份有限公司 | Safety buckle monitoring device for aerocar lifting hook |
| CN117623094B (en) * | 2023-12-07 | 2024-06-07 | 广东金志利科技股份有限公司 | Safety buckle monitoring device for aerocar lifting hook |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |