CN218465363U - Safety anti-falling device of crane - Google Patents
Safety anti-falling device of crane Download PDFInfo
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- CN218465363U CN218465363U CN202222681912.2U CN202222681912U CN218465363U CN 218465363 U CN218465363 U CN 218465363U CN 202222681912 U CN202222681912 U CN 202222681912U CN 218465363 U CN218465363 U CN 218465363U
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Abstract
The utility model discloses a hoist safety prevents device that falls, include: the upper side position in the vertical support frame is fixedly provided with a bearing cross beam; the permanent magnet fixing block is fixedly connected to the outer end face of the suspension mounting block, and the lower end of the suspension mounting block is fixedly connected with a lifting appliance; the crane comprises a crane main body, a first mounting frame, a second mounting frame and a lifting mechanism, wherein the first mounting frame is fixedly mounted at the lower end of the crane main body, an electric telescopic rod is fixedly mounted inside the first mounting frame, and the second mounting frame arranged on the front side of the first mounting frame is fixedly mounted at the lower end of the crane main body; and the transverse fixing frame is fixedly arranged on the inner side of the single body of the vertical supporting frame, and an electromagnet is fixedly arranged on the end surface of one side of the transverse fixing frame, which is close to the suspension mounting block. This hoist safety prevents device that falls possesses better anti falling structure, can effectively spacing lifting hook, avoids the lifting hook to pound and falls, has solved the lower problem of current bridge crane safety in utilization.
Description
Technical Field
The utility model relates to a hoist protector technical field specifically is a device is prevented falling by hoist safety.
Background
The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, which is also called a crown block, a gantry crane and a crane, wherein the bridge crane is a hoisting machine with the widest application range and the largest quantity, however, the existing bridge crane has certain defects, such as the following defects;
for example, the chinese patent granted publication No. CN213802597U bridge crane includes: the bracket wheel rails are arranged on two sides above the hoisting space; the traveling wheels are in contact with the bracket wheel rails and can move along the length direction of the bracket wheel rails; the beam spans between the two bracket wheel rails and moves along the length direction of the bracket wheel rails under the driving of the traveling wheels; the limiting device is arranged on the cross beam; the first electric suspension arm and the second electric suspension arm are respectively arranged on two sides of the limiting device on the cross beam and are synchronously controlled by the same control signal. The technical scheme of the utility model can be so that bridge crane is convenient for hoist and mount shaft-like object.
However, the above prior art solutions have the following drawbacks: the anti-falling device for the crane does not have a good anti-falling structure, so that the hook is in a falling risk, the use safety is low, and certain use defects exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device that falls is prevented to hoist safety to current bridge crane who proposes in solving above-mentioned background does not possess better anti-drop structure, leads to the lifting hook to exist and pounces the risk of falling, the lower problem of safety in utilization.
In order to achieve the above purpose, the utility model provides a following technical scheme: a crane safety fall prevention device comprising:
the crane comprises a vertical supporting frame, wherein a bearing cross beam is fixedly arranged at the upper side position in the vertical supporting frame, an electric sliding rail is fixedly arranged at the upper end of the bearing cross beam, a crane main body is slidably arranged at the upper end of the electric sliding rail, a sling is fixedly connected to the lower end of the crane main body, and a suspension mounting block is fixedly connected to the lower end of the sling;
the permanent magnet fixing block is fixedly connected to the outer end face of the suspension mounting block, the lower end of the suspension mounting block is fixedly connected with a lifting appliance, and the upper end of the suspension mounting block is fixedly connected with a fixing hanging ring in a welding mode;
the crane comprises a crane main body, a first mounting frame, a second mounting frame and a movable connecting frame, wherein the first mounting frame is fixedly mounted at the lower end of the crane main body, an electric telescopic rod is fixedly mounted inside the first mounting frame, the front end of the electric telescopic rod is fixedly connected with the movable connecting frame, the lower end of the crane main body is fixedly mounted with the second mounting frame arranged on the front side of the first mounting frame, and the rear end face of the second mounting frame is provided with a limiting groove;
and the transverse fixing frame is fixedly arranged on the inner side of the single body of the vertical supporting frame, and an electromagnet is fixedly arranged on the end surface of one side of the transverse fixing frame, which is close to the suspension mounting block.
Preferably, the permanent magnet fixing block, the transverse fixing frame and the electromagnet are symmetrically arranged in front and back of the vertical center line of the suspension mounting block.
Preferably, the fixed hanging ring and the movable connecting frame are arranged in a front-back corresponding mode.
Preferably, the first mounting frame and the second mounting frame are both arranged on the inner side of the load-bearing cross beam in a sliding mode.
Preferably, the vertical section of the movable connecting frame is arranged in an L shape, and the first mounting frame is in sliding connection with the movable connecting frame.
Preferably, the second mounting frame is in clamping connection with the mobile connecting frame through a limiting groove.
Compared with the prior art, the beneficial effects of the utility model are that: the safety anti-falling device of the crane has a better anti-falling structure, can effectively limit the lifting hook, avoids the lifting hook from falling off, and solves the problem of lower use safety of the existing bridge crane;
1. the suspension installation block is arranged on the horizontal fixing frame, the electromagnet is electrified after the suspension installation block is lifted to the height position of the horizontal fixing frame, so that the electromagnet attracts the suspension installation block through the permanent magnet fixing block, the suspension installation block can be effectively limited, and the practicability is better;
2. the movable connecting frame is provided with a first mounting frame, a second mounting frame and a fixed hanging ring, the first mounting frame and the second mounting frame are fixedly connected to the lower end of the crane main body, the first mounting frame and the second mounting frame synchronously move with a suspension mounting block below the crane main body, namely the fixed hanging ring and the movable connecting frame synchronously move, and meanwhile the fixed hanging ring and the movable connecting frame are correspondingly arranged in the front and back direction, so that the movable connecting frame can limit the fixed hanging ring conveniently, and the operation is more convenient;
3. be equipped with fixed link, removal link and first mounting bracket, through electric telescopic handle extension, drive the removal link and move forward and pass the inboard of fixed link and insert with the spacing groove, carry on spacingly to fixed link through removing the link, and then can prevent to suspend in midair that installation piece and hoist are pounded suddenly and fall, solved the lower problem of current bridge crane safety in utilization.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
fig. 2 is a schematic view of an elevational cross-sectional structure of the permanent magnet fixing block and the electromagnet in fig. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the side view section structure of the fixed suspension loop connected with the movable connection frame.
In the figure: 1. a vertical support frame; 2. a load-bearing beam; 3. an electric slide rail; 4. a crane body; 5. a sling; 6. a suspension mounting block; 7. a permanent magnet fixing block; 8. a spreader; 9. fixing a hanging ring; 10. a first mounting bracket; 11. an electric telescopic rod; 12. a movable connecting frame; 13. a second mounting bracket; 14. a limiting groove; 15. a transverse fixing frame; 16. an electromagnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a crane safety fall prevention device comprising: a bearing cross beam 2 is fixedly installed at the upper side position inside the vertical support frame 1, an electric slide rail 3 is fixedly installed at the upper end of the bearing cross beam 2, and a crane main body 4 is slidably installed at the upper end of the electric slide rail 3, as shown in fig. 1 and fig. 2, the hoisting position of a hoisting tool 8 can be changed by the crane main body 4 sliding inside the electric slide rail 3, the lower end of the crane main body 4 is fixedly connected with a hoisting cable 5, the lower end of the hoisting cable 5 is fixedly connected with a suspension installation block 6, the outer end face of the suspension installation block 6 is fixedly connected with a permanent magnet fixed block 7, the lower end of the suspension installation block 6 is fixedly connected with the hoisting tool 8, and the upper end of the suspension installation block 6 is fixedly connected with a fixed hanging ring 9 by welding;
lower extreme fixed mounting of hoist main part 4 has first mounting bracket 10, and the inside fixed mounting of first mounting bracket 10 has electric telescopic handle 11, and electric telescopic handle 11's front end fixedly connected with removes link 12, the lower extreme fixed mounting of hoist main part 4 has the second mounting bracket 13 that sets up in first mounting bracket 10 front side, and the rear end face of second mounting bracket 13 has seted up spacing groove 14, the inboard fixed mounting of monomer of vertical support frame 1 has horizontal mount 15, and horizontal mount 15 is close to suspend in midair 6 side end fixed mounting of installation piece has electro-magnet 16, play the effect of fixed stay to electro-magnet 16 through horizontal mount 15.
When the safety anti-falling device of the crane is used, firstly, as shown in fig. 1 and 2, the crane body 4 is used for controlling the suspension rope 5 to stretch, the lifting appliance 8 can be driven to move up and down, and then an object is lifted, specifically, as shown in fig. 2, 3 and 4, as the permanent magnet fixing block 7, the transverse fixing frame 15 and the electromagnet 16 are symmetrically arranged in front and back of the vertical central line of the suspension mounting block 6, when the suspension mounting block 6 is lifted to the height position of the transverse fixing frame 15, the electromagnet 16 is electrified, so that the electromagnet 16 attracts the suspension mounting block 6 through the permanent magnet fixing block 7 to limit the suspension mounting block 6;
specifically, as shown in fig. 2, 3 and 4, since the vertical cross section of the movable connecting frame 12 is arranged in an L shape, the fixed hanging ring 9 and the movable connecting frame 12 are arranged in a front-back corresponding manner, and the first mounting frame 10 and the second mounting frame 13 are arranged on the inner side of the bearing beam 2 in a sliding manner, and the first mounting frame 10 and the movable connecting frame 12 form a sliding connection, and the second mounting frame 13 forms a clamping connection with the movable connecting frame 12 through the limiting groove 14, the movable connecting frame 12 is driven to move forward through the inner side of the fixed hanging ring 9 and inserted into the limiting groove 14 through the extension of the electric telescopic rod 11, the fixed hanging ring 9 is limited through the movable connecting frame 12, and the hanging mounting block 6 and the hanger 8 are prevented from being hit suddenly, which is the use method of the crane safety anti-drop device.
The utility model discloses the standard part that uses all can purchase from the market, dysmorphism piece all can be customized according to the description with the record of attached drawing, the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, machinery, part and equipment all adopt among the prior art, conventional model, including circuit connection adopts conventional connected mode among the prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that expert technical personnel know in this field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a hoist safety prevents falling device which characterized in that: the method comprises the following steps:
the crane comprises a vertical supporting frame, wherein a bearing cross beam is fixedly arranged at the upper side position in the vertical supporting frame, an electric sliding rail is fixedly arranged at the upper end of the bearing cross beam, a crane main body is slidably arranged at the upper end of the electric sliding rail, a sling is fixedly connected to the lower end of the crane main body, and a suspension mounting block is fixedly connected to the lower end of the sling;
the permanent magnet fixing block is fixedly connected to the outer end face of the suspension mounting block, the lower end of the suspension mounting block is fixedly connected with a lifting appliance, and the upper end of the suspension mounting block is fixedly connected with a fixing hanging ring in a welding mode;
the crane comprises a crane main body, a first mounting frame, a second mounting frame and a movable connecting frame, wherein the first mounting frame is fixedly mounted at the lower end of the crane main body, an electric telescopic rod is fixedly mounted inside the first mounting frame, the front end of the electric telescopic rod is fixedly connected with the movable connecting frame, the lower end of the crane main body is fixedly mounted with the second mounting frame arranged on the front side of the first mounting frame, and the rear end face of the second mounting frame is provided with a limiting groove;
and the transverse fixing frame is fixedly arranged on the inner side of the single body of the vertical supporting frame, and an electromagnet is fixedly arranged on the end surface of one side of the transverse fixing frame, which is close to the suspension mounting block.
2. A crane safety fall prevention device according to claim 1, characterized in that: the permanent magnet fixing block, the transverse fixing frame and the electromagnet are symmetrically arranged in front and back of the vertical central line of the suspension mounting block.
3. A crane safety fall-prevention device according to claim 1, characterized in that: the fixed hanging ring and the movable connecting frame are arranged in a front-back corresponding mode.
4. A crane safety fall prevention device according to claim 1, characterized in that: the first mounting frame and the second mounting frame are arranged on the inner side of the bearing cross beam in a sliding mode.
5. A crane safety fall prevention device according to claim 1, characterized in that: the vertical section of the movable connecting frame is arranged in an L shape, and the first mounting frame is in sliding connection with the movable connecting frame.
6. A crane safety fall-prevention device according to claim 1, characterized in that: the second mounting rack is connected with the mobile connecting framework in a clamping mode through a limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222681912.2U CN218465363U (en) | 2022-10-12 | 2022-10-12 | Safety anti-falling device of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222681912.2U CN218465363U (en) | 2022-10-12 | 2022-10-12 | Safety anti-falling device of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218465363U true CN218465363U (en) | 2023-02-10 |
Family
ID=85147078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222681912.2U Active CN218465363U (en) | 2022-10-12 | 2022-10-12 | Safety anti-falling device of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218465363U (en) |
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2022
- 2022-10-12 CN CN202222681912.2U patent/CN218465363U/en active Active
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