CN213895044U

CN213895044U - Bridge crane

Info

Publication number: CN213895044U
Application number: CN202022034786.2U
Authority: CN
Inventors: 葛朝辉
Original assignee: Shanghai Sht Cranes Co ltd
Current assignee: Shanghai Sht Cranes Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-08-06
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a bridge crane relates to hoist technical field, which comprises a base, the both ends fixedly connected with support arm of base, be provided with the jack-up board between the support arm, the bottom surface fixedly connected with centre gripping case of jack-up board, the interior diapire fixedly connected with connecting rod of centre gripping case, the first bracing piece of top fixedly connected with of connecting rod, the interior diapire fixedly connected with support column of centre gripping case, the top of support column articulates through the round pin axle has the telescopic link, and the telescopic link is kept away from the one end of support column and is articulated through the round pin axle have a sliding sleeve, four second bracing pieces of surface fixed connection on sliding sleeve top. This bridge crane, through be provided with carousel, telescopic link, protruding piece mutually support effectually turn into the up-and-down motion with circular motion, utilize the right angle characteristic of right angle supporting rod to guarantee the stability of goods with the better centre gripping of the goods that needs stable through being provided with right angle supporting rod.

Description

Bridge crane

Technical Field

The utility model relates to a hoist technical field specifically is a bridge crane.

Background

The bridge crane is commonly called a travelling crane or a crown block, and is equipment for lifting, descending or lifting and transporting materials through a fetching device in an intermittent and repeated working mode. In the working process, the process of loading, transporting, unloading and returning to the original place is carried out, the working range is large, and the dangerous factors are many, for example, the safety of a travelling crane in the process of hoisting heavy objects depends on the effectiveness and the reliability of a hoisting steel wire rope, an electromagnetic system and some safety devices.

The bridge crane is particularly prone to being used, the lifted goods incline due to messy steel ropes, various safety accidents occur, and sometimes the heavy objects cannot be lifted correctly due to inclination in windy weather, so that a stable bridge crane capable of guaranteeing the lifting of the heavy objects and guaranteeing the required heavy objects is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pair of bridge crane to solve the problem that proposes among the above-mentioned background art.

The utility model discloses a solve above-mentioned technical problem, provide following technical scheme: a bridge crane comprises a base, wherein two ends of the base are fixedly connected with supporting arms, a hoisting plate is arranged between the supporting arms, the upper surface of the lifting plate is provided with a through groove, the bottom surface of the lifting plate is fixedly connected with a clamping box, the inner bottom wall of the clamping box is fixedly connected with a connecting rod, the top end of the connecting rod is fixedly connected with a first supporting rod, the inner bottom wall of the clamping box is fixedly connected with a supporting column, the top end of the supporting column is hinged with a telescopic rod through a pin shaft, the one end that the support column was kept away from to the telescopic link articulates through the round pin axle has the sliding sleeve, four second bracing pieces of surface fixedly connected with on sliding sleeve top, every the one end that the sliding sleeve was kept away from to the second bracing piece all articulates through the round pin axle has the guide arm, every the one end that the second bracing piece was kept away from to the guide arm all articulates through the round pin axle has right angle clamping bar, the back fixedly connected with gear motor of centre gripping case.

Further, the upper surface of base fixed connection two-way motor, two-way motor output end fixedly connected with first rotation pole, first rotation pole both ends fixedly connected with first gear, the surface cover of first gear is equipped with the rack.

Through adopting above-mentioned technical scheme, provide the power of lifting for the device through being provided with two-way motor, can be abundant through being provided with first gear and the better transmission with two-way motor's power.

Further, every the inside of support arm all rotates and is connected with the second dwang, the equal fixedly connected with second gear in both ends of second dwang, a pot head that first gear was kept away from to the rack is established at the surface of second gear.

Through adopting above-mentioned technical scheme, through being provided with the effectual device that has solved of second dwang and leading to the jack-up board to take place the phenomenon of rocking because of high problem at the jack-up in-process.

Furthermore, the inner ring of the sliding sleeve is connected with the connecting rod in a sliding mode, and the end portion of each right-angle clamping rod is fixedly hinged to the outer surface of the top end of the connecting rod through a pin shaft.

Through adopting above-mentioned technical scheme, realize reciprocating the device is stable in the use through the effect that is provided with the sliding sleeve.

Furthermore, the left side face and the right side face of the supporting arm are both provided with sliding grooves, and the back face of the lifting plate is fixedly connected with sliding blocks matched with the sliding grooves.

Through adopting above-mentioned technical scheme, set up the effectual operation that realizes the hoisting plate at the in-process that uses through seting up the spout in the side of support arm.

Furthermore, the outer surface of the rack is fixedly connected with a connecting block, and one end, far away from the rack, of the connecting block is fixedly connected with one side of the hoisting plate.

Through adopting above-mentioned technical scheme, connect the rack with the effectual connection of hoisting plate together through being provided with the connecting block is effectual, the more nimble stable goods that lift up simultaneously.

Furthermore, the output end of the speed reducing motor is fixedly connected with a turntable, the surface of the turntable is fixedly connected with a protruding block, one side face of the telescopic rod close to the turntable is fixedly connected with a bearing, and the protruding block is fixedly connected with the inner ring of the bearing.

Through adopting above-mentioned technical scheme, through the design have protruding piece, effectual with gear motor's power furthest's transmission to the telescopic link on, make the more stable operation of device.

Compared with the prior art, the bridge crane has the following beneficial effects:

1. the utility model discloses a space that is provided with the centre gripping case and utilizes the centre gripping case reaches extension fixture's life with the inside that clamping device received the centre gripping case when not needing the centre gripping, through being provided with carousel, telescopic link, protruding piece mutually support effectually turn into the up-and-down motion with the circular motion, through being provided with right angle clamping rod utilize the right angle characteristic of right angle clamping rod will need the stability of the better centre gripping guarantee goods of stable goods.

2. The utility model discloses an offer the effectual in-process stable operation of realizing the jack-up plate of spout using in the side of support arm, realize reciprocating the device is stable in the use through the effect that is provided with the sliding sleeve, through being provided with the effectual device of having solved of second dwang because the phenomenon that the jack-up plate took place to rock is leaded to in the jack-up process because of the altitude problem to the device, come for the device provides the power of lifting through being provided with two-way motor, through being provided with the transmission that can be abundant with two-way motor's power better with first gear and second gear.

Drawings

Fig. 1 is a front view of a bridge crane according to the present invention;

FIG. 2 is a schematic view of the internal structure of the clamping box of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a support arm; 3. a lifting plate; 4. a connecting rod; 5. a first support bar; 6. a clamping box; 7. a support pillar; 8. a telescopic rod; 9. a sliding sleeve; 10. a second support bar; 11. a guide bar; 12. a right-angle clamping rod; 13. a reduction motor; 14. a bi-directional motor; 15. a first rotating lever; 16. a first gear; 17. a rack; 18. a second rotating lever; 19. a second gear; 20. a chute; 21. a slider; 22. connecting blocks; 23. a turntable; 24. a protruding block; 25. a through groove.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a bridge crane comprises a base 1, a bidirectional motor 14 is fixedly connected to the upper surface of the base 1, the type of the bidirectional motor 14 is CH/CV, a first rotating rod 15 is fixedly connected to the output end of the bidirectional motor 14, a first gear 16 is fixedly connected to two ends of the first rotating rod 15, a rack 17 is sleeved on the outer surface of the first gear 16, a connecting block 22 is fixedly connected to the outer surface of the rack 17, one end, far away from the rack 17, of the connecting block 22 is fixedly connected with one side of a hoisting plate 3, the rack 17 and the hoisting plate 3 are effectively connected together by the aid of the connecting block 22, meanwhile, goods are lifted more flexibly and stably, lifting power is provided for the device by the aid of the bidirectional motor 14, power of the bidirectional motor 14 can be fully transmitted better by the aid of the first gear 16 and the second gear 19, supporting arms 2 are fixedly connected to two ends of the, the left side surface and the right side surface of the supporting arm 2 are both provided with a sliding groove 20, the back surface of the hoisting plate 3 is fixedly connected with a sliding block 21 matched with the sliding groove 20, the stable operation of the hoisting plate 3 in the using process is effectively realized by arranging the sliding groove 20 on the side surface of the supporting arm 2, the inside of each supporting arm 2 is rotatably connected with a second rotating rod 18, both ends of the second rotating rod 18 are both fixedly connected with a second gear 19, one end of the rack 17 far away from the first gear 16 is sleeved on the outer surface of the second gear 19, the problem that the hoisting plate 3 shakes due to the height problem in the hoisting process is effectively solved by arranging the second rotating rod 18, the hoisting plate 3 is arranged between the supporting arms 2, the upper surface of the hoisting plate 3 is provided with a through groove 25, the bottom surface of the hoisting plate 3 is fixedly connected with a clamping box 6, and the inner bottom wall of the clamping box 6 is fixedly connected with a connecting rod 4, the top end of the connecting rod 4 is fixedly connected with a first supporting rod 5, the inner bottom wall of the clamping box 6 is fixedly connected with a supporting column 7, the top end of the supporting column 7 is hinged with a telescopic rod 8 through a pin shaft, one end of the telescopic rod 8, far away from the supporting column 7, is hinged with a sliding sleeve 9 through a pin shaft, the inner ring of the sliding sleeve 9 is in sliding connection with the connecting rod 4, the end part of each right-angle clamping rod 12 is fixedly hinged with the outer surface of the top end of the connecting rod 4 through a pin shaft, the device can stably move up and down in the using process under the action of the sliding sleeve 9, the outer surface of the top end of the sliding sleeve 9 is fixedly connected with four second supporting rods 10, one end of each second supporting rod 10, far away from the sliding sleeve 9, is hinged with a guide rod 11 through a pin shaft, one end of each guide rod 11, far away from the second supporting rod 10, is hinged with a right-angle clamping rod 12 through a pin shaft, and the back of the clamping box 6 is fixedly connected with a speed reducing motor 13, the model of gear motor 13 is BWED, gear motor 13's output end fixedly connected with carousel 23, the surperficial fixedly connected with of carousel 23 is protruding piece 24, a side fixedly connected with bearing that telescopic link 8 is close to carousel 23, and the inner circle fixed connection of protruding piece 24 and bearing, through the design have protruding piece 24 effectual with gear motor 13's power furthest's transmission to telescopic link 8 on, make the more stable operation of device.

When the lifting device is used, a worker firstly connects the speed reducing motor 13 and the bidirectional motor 14 with a suitable power supply, then the worker places goods to be lifted on the upper surface of the lifting plate 3, then starts the speed reducing motor 13, the speed reducing motor 13 drives the rotary table 23 to operate after operating, the rotary table 23 drives the protrusion block 24 to operate after operating, the protrusion block 24 drives the telescopic rod 8 to move up and down after operating, the telescopic rod 8 drives the sliding sleeve 9 to move up and down after moving up and down, the sliding sleeve 9 drives the second support rod 10 to move up and down after moving up and down, the second support rod 10 drives the guide rod 11 to move up and down after moving up and down, the right-angle clamping rod 12 is pushed to clamp the goods through the through groove 25 after moving up and down, the bidirectional motor 14 is started after clamping the goods, and the first rotary rod 15 is driven after the bidirectional motor 14 operates, when the first rotating rod 15 moves, the first gear 16 is driven to move, when the first gear 16 moves, the rack 17 moves, when the rack 17 moves, the second gear 19 is engaged, meanwhile, the rack 17 drives the connecting block 22 to move, when the connecting block 22 operates, the lifting plate 3 is driven to move up and down, and meanwhile, the sliding block 21 slides in the sliding groove 20, so that the lifting plate 3 is ensured to stably ascend, and stable clamping and ascending of goods are completed through the steps.

Claims

1. A bridge crane comprising a base (1), characterized in that: the lifting device comprises a base (1), supporting arms (2) are fixedly connected to two ends of the base (1), a lifting plate (3) is arranged between the supporting arms (2), a through groove (25) is formed in the upper surface of the lifting plate (3), a clamping box (6) is fixedly connected to the bottom surface of the lifting plate (3), a connecting rod (4) is fixedly connected to the inner bottom wall of the clamping box (6), a first supporting rod (5) is fixedly connected to the top end of the connecting rod (4), a supporting column (7) is fixedly connected to the inner bottom wall of the clamping box (6), a telescopic rod (8) is hinged to the top end of the supporting column (7) through a pin shaft, a sliding sleeve (9) is hinged to one end, away from the supporting column (7), of the telescopic rod (8), a sliding sleeve (9) is hinged to one end of the sliding sleeve (9), four second supporting rods (10) are fixedly connected to the outer surface of the top end, away from the sliding sleeve (9), of each second supporting rod (10), a guide rod (11) is hinged to one end, every the one end that second bracing piece (10) were kept away from in guide arm (11) all articulates through the round pin axle has right angle supporting rod (12), the back fixedly connected with gear motor (13) of centre gripping case (6).

2. A bridge crane as claimed in claim 1, wherein: the upper surface fixed connection two-way motor (14) of base (1), two-way motor (14) output end fixedly connected with first rotation pole (15), first rotation pole (15) both ends fixedly connected with first gear (16), the surface cover of first gear (16) is equipped with rack (17).

3. A bridge crane as claimed in claim 2, wherein: every the inside of support arm (2) all rotates and is connected with second dwang (18), the equal fixedly connected with second gear (19) in both ends of second dwang (18), a pot head that first gear (16) was kept away from in rack (17) is established at the surface of second gear (19).

4. A bridge crane as claimed in claim 1, wherein: the inner ring of the sliding sleeve (9) is in sliding connection with the connecting rod (4), and the end part of each right-angle clamping rod (12) is fixedly hinged to the outer surface of the top end of the connecting rod (4) through a pin shaft.

5. A bridge crane as claimed in claim 1, wherein: the left side face and the right side face of the supporting arm (2) are both provided with sliding grooves (20), and the back face of the lifting plate (3) is fixedly connected with sliding blocks (21) matched with the sliding grooves (20).

6. A bridge crane as claimed in claim 2, wherein: the outer fixed surface of rack (17) is connected with connecting block (22), the one end that rack (17) were kept away from in connecting block (22) and one side fixed connection of hoisting plate (3).

7. A bridge crane as claimed in claim 1, wherein: the output end of the speed reducing motor (13) is fixedly connected with a rotary table (23), the surface of the rotary table (23) is fixedly connected with a protruding block (24), a side face of the telescopic rod (8) close to the rotary table (23) is fixedly connected with a bearing, and the protruding block (24) is fixedly connected with an inner ring of the bearing.