CN212151381U - Single-beam bridge crane capable of automatically balancing weight of electric hoist - Google Patents
Single-beam bridge crane capable of automatically balancing weight of electric hoist Download PDFInfo
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- CN212151381U CN212151381U CN202020499549.0U CN202020499549U CN212151381U CN 212151381 U CN212151381 U CN 212151381U CN 202020499549 U CN202020499549 U CN 202020499549U CN 212151381 U CN212151381 U CN 212151381U
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Abstract
The utility model discloses a but single beam bridge crane of automatic balance electric block weight relates to hoist technical field, specifically is a but single beam bridge crane of automatic balance electric block weight, including the chassis, the upper end fixedly connected with crane crossbeam of chassis, the outside of slide rail is provided with the trolley, trolley's inside fixedly connected with electric block, trolley's last fixed surface is connected with movable wheelset and balancing unit, the both sides fixedly connected with compressive device of crane crossbeam. This but single beam bridge crane of automatic balance electric block weight through balancing unit's setting, has reached the purpose that prevents that the movable wheelset of dolly and slide rail friction from seriously leading to derailing, through compression resistance device's setting, has reached and has prevented that crossbeam both sides pressure difference from leading to causing the fatigue strength decline that pressure too big arouses the material to one of them side.
Description
Technical Field
The utility model relates to a but single beam bridge crane of automatic balance electric block weight specifically is a hoist technical field.
Background
The single-beam bridge crane is a hoisting device which is transversely arranged above a workshop, a warehouse and a stock yard to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the single-beam bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity. The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The tire crane is mainly characterized in that: the running cab and the crane control cab are integrated into a whole and are formed by the evolution of a crawler crane (crawler crane), the crawler and the walking bracket of the walking mechanism are changed into a chassis with tires, the defect that a crawler plate of the crawler crane (crawler crane) damages the road surface is overcome, and the material handling machine belongs to material handling machinery. The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity. The hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive. Because the weight is lifted without the supporting legs and the lifted weight is frequently used for driving, the driving speed is higher than that of a crawler crane (crawler crane); the operation is stable, the lifting capacity is large, the lifting can be carried out within a specific range, but the road is required to be smooth and firm, the tire air pressure meets the requirement, and the lifting distance from the ground is not more than 50 CM; long distance walking with load is prohibited. In order to ensure the operation safety, the lifting operation without landing legs is basically forbidden in China at present. The crane uses the steel wire ropes including phosphated coating steel wire rope, galvanized steel wire rope and smooth steel wire rope
The gravity that current single beam bridge crane received in electric hoist both sides inequality leads to inclining easily when having the jack-up, can lead to the slide rail of one side to cause serious wearing and tearing for a long time, can lead to the fact serious pressure to electric hoist self when bearing overweight heavy object to lead to the shortcoming of jack-up unstability.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a but single beam bridge crane of automatic balance electric block weight has solved the problem of proposing among the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a but single beam bridge crane of automatic balance electric block weight, includes the chassis, the upper end fixedly connected with crane beam of chassis, crane beam comprises girder and slide rail, the inside fixedly connected with mount of girder, the outside of slide rail is provided with the trolley, the inside fixedly connected with electric block of trolley, the electric block comprises hoisting motor, capstan winch, steel wire rope and lifting hook, the last fixed surface of trolley is connected with movable wheelset and balancing unit, the both sides fixedly connected with resistance to compression device of crane beam, the bottom surface fixedly connected with pulley mechanism of trolley.
Optionally, the compression-resistant device comprises a spring seat, a compression-resistant spring and a support column, a groove is formed in the upper end of the bottom frame, the compression-resistant device is arranged inside the groove, the spring seat is fixedly connected with the inner bottom wall of the groove and the lower end of the crane beam, two ends of the support column are fixedly connected with the surface of the spring seat, and the support column is inserted into the compression-resistant spring.
Optionally, the quantity of activity wheelset is four, the activity wheelset distributes at trolley's upper surface rectangle array, the activity wheelset comprises support frame, decompression cover and electronic gyro wheel, the decompression cover cup joints the surface at the support frame, the inside of decompression cover is provided with pressure reducing spring, the material of decompression cover is the elasticity material.
Optionally, the balancing device comprises a fixing seat, a sleeve, a balancing spring and a movable block, the outer surface of the sleeve is fixedly connected with the upper end of the fixing seat, the balancing spring is arranged in the sleeve, and one end of the balancing spring is fixedly connected with the movable block.
Optionally, the pulley mechanism comprises a pulley, a fixing plate and a pin shaft, the upper end of the fixing plate is fixedly connected with the lower surface of the trolley, the pulley is connected with the fixing plate through the pin shaft, and the pulley is arranged under the winch.
Optionally, a steel wire rope is wound inside the pulley, and the diameter of the pulley is larger than that of the movable wheel inside the lifting hook.
(III) advantageous effects
The utility model provides a but single beam bridge crane of automatic balance electric block weight possesses following beneficial effect:
1. this but single beam bridge crane of automatic balance electric block weight, setting through balancing unit, can reduce the pressure that the jack-up unstability caused through balance spring and movable block when using, but make this single beam bridge crane of automatic balance electric block weight possess the effect of automatic balance trolley both sides gravity, reached the movable wheelset that prevents the dolly and the slide rail friction seriously lead to the purpose of derailing, setting through compression resisting device, can support and cushion the crane crossbeam at the in-process that uses, reached and prevented that crossbeam both sides pressure difference from leading to causing the too big purpose that arouses the fatigue strength decline of material to one of them side.
2. This but single beam bridge crane of automatic balance electric block weight through the setting of pulley mechanism, makes this but single beam bridge crane of automatic balance electric block weight possess and can reduce the effect that the electric block bore gravity through the pulley, has reached the protection electric block and has received too strong pressure and impaired purpose.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the overhead structure of the trolley of the present invention;
FIG. 3 is a schematic side view of the trolley of the present invention;
fig. 4 is the three-dimensional structure schematic diagram of the utility model discloses the trolley.
In the figure: 1. a chassis; 2. a crane beam; 3. a trolley; 4. an electric hoist; 5. a movable wheel set; 6. a spring seat; 7. a compression spring; 8. a support pillar; 9. a fixed seat; 10. a sleeve; 11. a balance spring; 12. a movable block; 13. a pulley; 14. a fixing plate; 15. a pin shaft; 201. a main beam; 202. a slide rail; 401. a hoisting motor; 402. a winch; 403. a steel wire rope; 404. a hook; 501. a support frame; 502. a pressure reducing sleeve; 503. an electric roller.
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.
Referring to fig. 1 to 4, the present invention provides a technical solution: a single-beam bridge crane capable of automatically balancing the weight of an electric hoist comprises a chassis 1, a crane beam 2 is fixedly connected to the upper end of the chassis 1, the crane beam 2 is composed of a main beam 201 and a slide rail 202, a fixed frame is fixedly connected to the inside of the main beam 201, a crane trolley 3 is arranged on the outer side of the slide rail 202, an electric hoist 4 is fixedly connected to the inside of the crane trolley 3, the electric hoist 4 is composed of a crane motor 401, a winch 402, a steel wire rope 403 and a lifting hook 404, a movable wheel set 5 and a balancing device are fixedly connected to the upper surface of the crane trolley 3, the number of the movable wheel sets 5 is four, the movable wheel sets 5 are distributed on the upper surface of the crane trolley in a rectangular array manner, the movable wheel sets 5 are composed of a support frame 501, a pressure reducing sleeve 502 and an electric roller 503, the pressure reducing sleeve 502 is sleeved on the outer surface of the support, the balance device comprises a fixed seat 9, a sleeve 10, a balance spring 11 and a movable block 12, the outer surface of the sleeve 10 is fixedly connected with the upper end of the fixed seat 9, the balance spring 11 is arranged inside the sleeve 10, one end of the balance spring 11 is fixedly connected with the movable block 12, two sides of the crane crossbeam 2 are fixedly connected with compression-resistant devices, each compression-resistant device comprises a spring seat 6, a compression-resistant spring 7 and a support column 8, the upper end of the underframe 1 is provided with a groove, each compression-resistant device is arranged inside the groove, the spring seats 6 are fixedly connected with the inner bottom wall of the groove and the lower end of the crane crossbeam 2, two ends of the support columns 8 are fixedly connected with the surface of the spring seats 6, the support columns 8 are inserted inside the compression-resistant springs 7, the bottom surface of the crane trolley 3 is fixedly connected with a pulley mechanism, the pulley mechanism comprises pulleys 13, a fixed plate 14, the pulley 13 is connected with the fixed plate 14 through a pin shaft 15, the pulley 13 is arranged right below the winch 402, a steel wire rope is wound inside the pulley 13, and the diameter of the pulley 13 is larger than that of the movable wheel inside the hook 404.
During the use, drive trolley 3 through movable wheelset 5 and move on slide rail 202, start electric hoist 4, lift by crane the heavy object through lifting hook 404, the gravity of heavy object is born by a plurality of stress points when passing through pulley mechanism, the pressure that electric hoist 4 received has been reduced, through inside balance spring 11 and movable block 12 of balancing unit, make the lateral wall of movable block 12 butt at slide rail 202, prevent that the unbalanced stress from leading to movable wheelset 5 and the serious phenomenon emergence that arouses the derailment that causes of the lateral wall friction of slide rail 202.
The utility model discloses a theory of operation and beneficial effect: the single-beam bridge crane capable of automatically balancing the weight of the electric hoist can reduce the pressure caused by unstable lifting through the balance spring 11 and the movable block 12 by the arrangement of the balance device when in use, so that the single-beam bridge crane capable of automatically balancing the weight of the electric hoist has the effect of automatically balancing the gravity at two sides of the trolley 3, and achieves the purpose of preventing the movable wheel set 5 and the slide rail 202 of the trolley 3 from being seriously rubbed to cause derailment, the cross beam of the crane can be supported and buffered in the use process through the arrangement of the compression resistance device, the purpose of preventing the fatigue strength of materials from being reduced due to overlarge pressure caused by different pressures at two sides of the cross beam is achieved, and the single-beam bridge crane capable of automatically balancing the weight of the electric hoist has the effect of reducing the gravity borne by the electric hoist 4 through the pulley mechanism, the purpose of protecting the electric hoist 4 from being damaged by too strong pressure is achieved.
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 but single beam bridge crane of automatic balance electric block weight, includes chassis (1), its characterized in that: the utility model discloses a crane, including chassis (1), crane crossbeam (2) comprises girder (201) and slide rail (202), the inside fixedly connected with mount of girder (201), the outside of slide rail (202) is provided with trolley (3), the inside fixedly connected with electric block (4) of trolley (3), electric block (4) comprise hoisting motor (401), capstan winch (402), steel wire rope (403) and lifting hook (404), the last fixed surface of trolley (3) is connected with movable wheelset (5) and balancing unit, the both sides fixedly connected with resistance to compression device of crane crossbeam (2), the bottom surface fixedly connected with pulley mechanism of trolley (3).
2. The single-beam bridge crane capable of automatically balancing the weight of the electric hoist as claimed in claim 1, wherein: the utility model discloses a crane beam, including chassis (1), resistance to compression device, pressure-resistant device, crane beam (2), spring holder (6), resistance to compression spring (7) and support column (8), the upper end of chassis (1) is seted up slottedly, resistance to compression device sets up the inside at the groove, the equal fixed connection of lower extreme of the interior diapire in spring holder (6) and groove and crane beam (2), the both ends of support column (8) and the equal fixed connection in surface of spring holder (6), support column (8) are pegged graft in the inside of resistance to compression spring (7).
3. The single-beam bridge crane capable of automatically balancing the weight of the electric hoist as claimed in claim 1, wherein: the quantity of activity wheelset (5) is four, activity wheelset (5) are in trolley's upper surface rectangular array distribution, activity wheelset (5) comprise support frame (501), decompression cover (502) and electronic gyro wheel (503), the surface at support frame (501) is cup jointed in decompression cover (502), the inside of decompression cover (502) is provided with pressure reducing spring, the material of decompression cover (502) is elastic material.
4. The single-beam bridge crane capable of automatically balancing the weight of the electric hoist as claimed in claim 1, wherein: the balance device comprises a fixing seat (9), a sleeve (10), a balance spring (11) and a movable block (12), the outer surface of the sleeve (10) is fixedly connected with the upper end of the fixing seat (9), the balance spring (11) is arranged inside the sleeve (10), and one end of the balance spring (11) is fixedly connected with the movable block (12).
5. The single-beam bridge crane capable of automatically balancing the weight of the electric hoist as claimed in claim 1, wherein: the pulley mechanism comprises a pulley (13), a fixing plate (14) and a pin shaft (15), the upper end of the fixing plate (14) is fixedly connected with the lower surface of the trolley (3), the pulley (13) is connected with the fixing plate (14) through the pin shaft (15), and the pulley (13) is arranged under the winch (402).
6. The single-beam bridge crane capable of automatically balancing the weight of the electric hoist as claimed in claim 5, wherein: a steel wire rope is wound inside the pulley (13), and the diameter of the pulley (13) is larger than that of the movable wheel inside the lifting hook (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020499549.0U CN212151381U (en) | 2020-04-08 | 2020-04-08 | Single-beam bridge crane capable of automatically balancing weight of electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020499549.0U CN212151381U (en) | 2020-04-08 | 2020-04-08 | Single-beam bridge crane capable of automatically balancing weight of electric hoist |
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| CN212151381U true CN212151381U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020499549.0U Active CN212151381U (en) | 2020-04-08 | 2020-04-08 | Single-beam bridge crane capable of automatically balancing weight of electric hoist |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479768A (en) * | 2021-08-20 | 2021-10-08 | 安徽春华智能科技有限公司 | Anti-deviation single-beam metallurgical crane |
| CN113845025A (en) * | 2021-09-27 | 2021-12-28 | 江阴市金欧起重机械设备有限公司 | Bridge crane girder with prevent putting function |
| CN115849181A (en) * | 2022-12-21 | 2023-03-28 | 河南省飞马起重机械集团有限公司 | Single-beam crane with anti-offside mechanism |
| CN116654787A (en) * | 2023-07-24 | 2023-08-29 | 河南东起机械有限公司 | Energy-saving intelligent bridge crane |
| CN117446656A (en) * | 2023-12-18 | 2024-01-26 | 河南省大方重型机器有限公司 | Energy-saving and noise-reducing green environment-friendly single-beam crane |
-
2020
- 2020-04-08 CN CN202020499549.0U patent/CN212151381U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479768A (en) * | 2021-08-20 | 2021-10-08 | 安徽春华智能科技有限公司 | Anti-deviation single-beam metallurgical crane |
| CN113479768B (en) * | 2021-08-20 | 2023-09-12 | 安徽江河智能装备集团有限公司 | Anti-offset single-beam metallurgical crane |
| CN113845025A (en) * | 2021-09-27 | 2021-12-28 | 江阴市金欧起重机械设备有限公司 | Bridge crane girder with prevent putting function |
| CN113845025B (en) * | 2021-09-27 | 2023-06-20 | 江阴市金欧起重机械设备有限公司 | Bridge crane girder with anti-swing function |
| CN115849181A (en) * | 2022-12-21 | 2023-03-28 | 河南省飞马起重机械集团有限公司 | Single-beam crane with anti-offside mechanism |
| CN115849181B (en) * | 2022-12-21 | 2023-07-14 | 河南省飞马起重机械集团有限公司 | Single-beam crane with anti-override mechanism |
| CN116654787A (en) * | 2023-07-24 | 2023-08-29 | 河南东起机械有限公司 | Energy-saving intelligent bridge crane |
| CN116654787B (en) * | 2023-07-24 | 2023-10-17 | 河南东起机械有限公司 | Energy-saving intelligent bridge crane |
| CN117446656A (en) * | 2023-12-18 | 2024-01-26 | 河南省大方重型机器有限公司 | Energy-saving and noise-reducing green environment-friendly single-beam crane |
| CN117446656B (en) * | 2023-12-18 | 2024-03-22 | 河南省大方重型机器有限公司 | Energy-saving and noise-reducing green environment-friendly single-beam crane |
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