CN212292593U

CN212292593U - Electric rotary cantilever crane

Info

Publication number: CN212292593U
Application number: CN202020273500.3U
Authority: CN
Inventors: 马理想
Original assignee: Henan Zhongzhou Intelligent Equipment Group Co ltd
Current assignee: Henan Zhongzhou Intelligent Equipment Group Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2021-01-05
Anticipated expiration: 2030-03-09

Abstract

The utility model discloses an electric rotary cantilever crane, including outer pole, the bottom fixed mounting of outer pole has the box, the inside of outer pole is provided with interior pole, the inside of outer pole and the inside fixed mounting of box have elevating gear, the outside top and the middle part of interior pole all are provided with the rolling disc, two be provided with the dwang between the rolling disc, the first dead lever of both sides fixedly connected with of interior pole, the top of first dead lever is provided with fixing device, one side of dwang is provided with outer cantilever, the both sides of outer cantilever all are provided with strutting arrangement. The utility model discloses the utilization changes into loop bar and installation elevating gear at original lifter and can height-adjusting, sets up the stop work time that fixing device can place the dwang and fixes, prevents to rock, sets up stop device and can effectually carry out accurate spacing to the pull rod on pull rod and cantilever, this design, simple structure, the operation is simple and direct, low in production cost, the security is higher.

Description

Electric rotary cantilever crane

Technical Field

The utility model relates to a cantilever crane technical field specifically is an electric rotary cantilever crane.

Background

At present cantilever beam rotary crane generally is used for hoisting less heavy object, ordinary cantilever beam rotary crane structure is, install the stand on ground, install rotatable cantilever beam and rotation mechanism thereof in the stand upper end, the guide rail is installed to the downside limit of cantilever beam, install the electric block who moves along the guide rail on the guide rail, the electric block dolly of the hoist of this kind of structure only moves along the spiral arm roof beam, receive cantilever beam length restriction, therefore it is short to lift by crane the stroke, consequently, in order to increase the stroke, often with the cantilever beam extension, the stand adds thickly, though solved the increase stroke problem like this, but there is the volume increase, the cost increase, it is heavy, the great shortcoming in occupation space.

The high-altitude object can not be hoisted by the original cantilever crane, the rotating rod can not be effectively limited and fixed in the hoisting process, and the pull rod on the cantilever can not be effectively moved at a fixed point and placed by manpower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric rotary cantilever crane to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric rotary cantilever crane, includes the outer pole, the bottom fixed mounting of outer pole has the box, the inside of outer pole is provided with interior pole, it is located in the bottom of interior pole the inside fixed mounting of outer pole and box has elevating gear, the outside top and the middle part of interior pole all are provided with the rolling disc, two be provided with the dwang between the rolling disc, the first dead lever of both sides fixedly connected with of interior pole, the top of first dead lever is provided with fixing device, one side of dwang is provided with outer cantilever, the both sides of outer cantilever all are provided with strutting arrangement.

Preferably, the inside of outer cantilever is provided with interior cantilever, the inner wall both sides of outer cantilever all are provided with first slider, two the equal fixedly connected with connecting block in bottom of first slider, two the bottom fixedly connected with pull rod of connecting block, be provided with stop device between pull rod and the outer cantilever, stop device includes the second dead lever, the top of second dead lever is provided with rotates the piece, the outside of rotating the piece is provided with the gear, the top fixedly connected with dysmorphism of outer cantilever is spacing the card, the gear with the meshing of dysmorphism spacing card.

Preferably, strutting arrangement includes first installation cavity and third fixed block, the inside of first installation cavity is provided with spacing bolt, the inner wall top and the bottom of first installation cavity all are provided with first fixed block and second fixed block, the surface cover of spacing bolt is equipped with first spring, the both sides of second fixed block just are located first spout has been seted up to the inside both sides of first installation cavity, the bottom and the equal fixedly connected with handle in top and the baffle of spacing bolt, first connecting hole has been seted up at the top of outer cantilever and interior cantilever, one side threaded connection of third fixed block has the screw bolt, one side of dwang seted up with the screw hole of screw bolt looks adaptation.

Preferably, fixing device includes the second installation cavity, the second spout has all been seted up to the inside both sides of second installation cavity, be provided with the second slider between the second spout, the bottom of second slider just is located the inside of second installation cavity is provided with the second spring, the top fixedly connected with arc fixed block of second slider, the bottom of dwang seted up with the second intercommunicating pore of arc fixed block looks adaptation.

Preferably, the lifting device comprises a threaded rod, a first bevel gear is fixedly mounted at the bottom of the threaded rod, a first motor is fixedly mounted on one side of the first bevel gear, a second bevel gear is fixedly connected to one end of an output shaft of the first motor, a threaded block is sleeved on the surface of the threaded rod, and third sliding blocks are fixedly connected to the two sides of the threaded block.

Preferably, a protective box is fixedly mounted at the top of the inner rod, a second motor is arranged inside the protective box, one end of an output shaft of the second motor is fixedly connected with the rotating disc, a steel wire disc is fixedly mounted on one side of the pull rod, and a support piece is fixedly connected to the bottom of the pull rod.

Preferably, the top of the supporting piece is located at the bottom of the pull rod, a steel wire is arranged at the first end of the steel wire, a lifting hook is fixedly connected to the first end of the steel wire, a check block is fixedly connected to the right side of the outer cantilever, and box doors are arranged on the front faces of the outer rod, the outer cantilever, the inner cantilever, the protective box and the box body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the setting is through an electric rotary cantilever crane, change outer pole and interior pole and installation elevating gear at original lifter, this makes the required height of can adjusting in work, it fixes to set up the stop work time that fixing device can place the dwang, prevent to rock, it can be effectual carry out accurate spacing to the pull rod to set up stop device on pull rod and cantilever, installation strutting arrangement can Europe play the secondary protection effect on the cantilever, this design, moreover, the steam generator is simple in structure, the operation is simple and direct, therefore, the production cost is low, and the security is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the lifting device of the present invention;

fig. 3 is a schematic view of a partial structure at a in fig. 1 according to the present invention;

fig. 4 is a schematic view of a partial structure at B of fig. 1 according to the present invention;

FIG. 5 is a schematic structural view of the position limiter of the present invention;

fig. 6 is a schematic view of the external structure of the present invention.

In the figure: 1. an outer rod; 2. a box body; 3. an inner rod; 4. a lifting device; 401. a threaded rod; 402. a thread block; 403. a third slider; 404. a first bevel gear; 405. a second bevel gear; 406. a first motor; 5. rotating the disc; 6. rotating the rod; 7. a first fixing lever; 8. a fixing device; 801. a second communication hole; 802. an arc-shaped fixed block; 803. a second mounting cavity; 804. a second slider; 805. a second spring; 806. a second chute; 9. a protective box; 10. a second motor; 11. an outer cantilever; 12. an inner cantilever; 13. a first slider; 14. a limiting device; 1401. a special-shaped limit card; 1402. a rotating member; 1403. a gear; 1404. a second fixing bar; 15. connecting blocks; 16. a pull rod; 17. a wire reel; 18. a support member; 19. a steel wire; 20. a hook; 21. a stopper; 22. a support device; 2201. a third fixed block; 2202. a threaded bolt; 2203. a grip; 2204. a limit bolt; 2205. a first fixed block; 2206. a first mounting cavity; 2207. a first chute; 2208. a first spring; 2209. a second fixed block; 2210. a first communication hole; 2211. a baffle plate; 2212. a threaded hole; 23. and (4) a box door.

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. 1-6, the present invention provides an embodiment:

the utility model provides an electronic gyration cantilever crane, includes outer pole 1, the bottom fixed mounting of outer pole 1 has box 2, the inside of outer pole 1 is provided with interior pole 3, it is located in the bottom of interior pole 3 the inside fixed mounting of outer pole 1 and box 2 has elevating gear 4, the outside top and the middle part of interior pole 3 all are provided with rolling disc 5, two be provided with dwang 6 between the rolling disc 5, the first dead lever 7 of the both sides fixedly connected with of interior pole 3, the top of first dead lever 7 is provided with fixing device 8, one side of dwang 6 is provided with outer cantilever 11, the both sides of outer cantilever 11 all are provided with strutting arrangement 22.

In this embodiment, an inner suspension arm 12 is disposed inside the outer suspension arm 11, first sliding blocks 13 are disposed on two sides of an inner wall of the outer suspension arm 11, connecting blocks 15 are fixedly connected to bottoms of the two first sliding blocks 13, pull rods 16 are fixedly connected to bottoms of the two connecting blocks 15, a limiting device 14 is disposed between the pull rods 16 and the outer suspension arm 11, the limiting device 14 includes a second fixing rod 1404, a rotating member 1402 is disposed on a top of the second fixing rod 1404, a gear 1403 is disposed outside the rotating member 1402, a special-shaped limiting clamp 1401 is fixedly connected to a top of the outer suspension arm 11, and the gear 1403 is engaged with the special-shaped limiting clamp 1401.

The supporting device 22 comprises a first mounting cavity 2206 and a third fixing block 2201, a limiting bolt 2204 is arranged inside the first mounting cavity 2206, a first fixing block 2205 and a second fixing block 2209 are arranged at the top and the bottom of the inner wall of the first mounting cavity 2206, a first spring 2208 is sleeved on the surface of the limiting bolt 2204, first sliding grooves 2207 are formed in two sides of the second fixing block 2209 and located on two sides of the inside of the first mounting cavity 2206, a handle 2203 and a baffle 2211 are fixedly connected to the bottom and the top of the limiting bolt 2204, first through holes 2210 are formed in the tops of the outer cantilever 11 and the inner cantilever 11, a threaded bolt 2202 is connected to one side of the third fixing block 2201 in a threaded manner, and a threaded hole 2212 matched with the threaded bolt 2202 is formed in one side of the rotating rod 6.

Both ends of the first spring 2208 in the first mounting cavity 2206 are fixedly connected with the bottom of the first fixing block 2205 and the top of the second fixing block 2209, respectively.

Fixing device 8 includes second installation cavity 803, second spout 806 has all been seted up to the inside both sides of second installation cavity 803, be provided with second slider 804 between the second spout 806, the bottom of second slider 804 just is located the inside of second installation cavity 803 is provided with second spring 805, the top fixedly connected with arc fixed block 802 of second slider 804, the bottom of dwang 6 seted up with the second intercommunicating pore 801 of arc fixed block 802 looks adaptation.

The lifting device 4 comprises a threaded rod 401, a first bevel gear 404 is fixedly mounted at the bottom of the threaded rod 401, a first motor 406 is fixedly mounted on one side of the first bevel gear 404, a second bevel gear 405 is fixedly connected to one end of an output shaft of the first motor 406, a threaded block 402 is sleeved on the surface of the threaded rod 401, and third sliding blocks 403 are fixedly connected to two sides of the threaded block 402.

The top of the inner rod 3 is fixedly provided with a protection box 9, a second motor 10 is arranged inside the protection box 9, one end of an output shaft of the second motor 10 is fixedly connected with the rotating disc 5, one side of the pull rod 16 is fixedly provided with a steel wire disc 17, and the bottom of the pull rod 16 is fixedly connected with a support piece 18.

A plurality of supporting members 18 are fixedly connected to the top of the drawbar 16, four pairs of fixing devices are provided on both sides of the rotating lever 6, the second communication holes 801 formed at the top and bottom of the rotating lever 6 are shorter than the arc-shaped fixing blocks 802, and the place where the rotating lever 6 contacts the outer boom 11 is supported by the supporting device 22, but the supporting device 22 uses different supports on both sides of the outer boom 11.

The top of support piece 18 just is located the bottom of pull rod 16 is provided with steel wire 19, the first end fixedly connected with lifting hook 20 of steel wire 19, the right side fixedly connected with dog 21 of outer cantilever 11, chamber door 23 has all been seted up in the front of outer pole 1, outer cantilever 11, interior cantilever 12, protective housing 9 and box 2.

The working principle is as follows: when the lifting device needs to work, firstly, the outer cantilever 11 and the inner cantilever 12 are installed on one side of the rotating rod 6, the third fixed block 2201 on the supporting device 22 is fixed through the threaded bolt 2202, after the limit bolt 2204 and the baffle 2211 are placed inside the inner cantilever 12 through the first communication hole 2210 inside the first installation cavity 2206, the limit bolt 2204 is rotated to drive the baffle 2211 to be fixed with the inner wall of the inner cantilever 12, the first motor on the lifting device 4 drives the first bevel gear 404 and the threaded rod 401 to rotate through the rotation of the second bevel gear 405, the threaded block 402 on the threaded rod 401 pushes the inner rod 3 to adjust the height, when the lifting device is used, the gear 1403 on the limit device 14 moves relative to the special-shaped limit card 1402 under the movement of the pull rod 16, and when the rotating disc 5 and the rotating rod 6 are driven by the second motor 10, the arc fixed blocks 802 and the second sliding block 804 arranged on the fixing device 8 on the upper and the lower portions of the rotating rod 6 compress the fixed blocks under the pressure of the second communication hole 801 Second spring 805 inside second mounting cavity 803 places second spring 805 in a compressed state.

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

1. The utility model provides an electric rotary cantilever crane, includes outer pole, its characterized in that: the utility model discloses a box, including outer pole, dwang, outer pole, the bottom fixed mounting of outer pole has the box, the inside of outer pole is provided with interior pole, it is located in the bottom of interior pole the inside fixed mounting of outer pole and box has elevating gear, the outside top and the middle part of interior pole all are provided with the rolling disc, two be provided with the dwang between the rolling disc, the first dead lever of both sides fixedly connected with of interior pole, the top of first dead lever is provided with fixing device, one side of dwang is provided with outer cantilever, the both sides of outer cantilever all are provided with strutting.

2. An electric slewing jib crane according to claim 1, wherein: the inside of outer cantilever is provided with interior cantilever, the inner wall both sides of outer cantilever all are provided with first slider, two the equal fixedly connected with connecting block in bottom of first slider, two the bottom fixedly connected with pull rod of connecting block, be provided with stop device between pull rod and the outer cantilever, stop device includes the second dead lever, the top of second dead lever is provided with rotates the piece, the outside of rotating the piece is provided with the gear, the spacing card of top fixedly connected with dysmorphism of outer cantilever, the gear with the spacing card of dysmorphism meshes mutually.

3. An electric slewing jib crane according to claim 1, wherein: support arrangement includes first installation cavity and third fixed block, the inside of first installation cavity is provided with spacing bolt, the inner wall top and the bottom of first installation cavity all are provided with first fixed block and second fixed block, the surface cover of spacing bolt is equipped with first spring, the both sides of second fixed block just are located first spout has been seted up to the inside both sides of first installation cavity, bottom and the equal fixedly connected with handle in top and the baffle of spacing bolt, first connecting hole has been seted up at the top of outer cantilever and interior cantilever, one side threaded connection of third fixed block has the screw bolt, one side of dwang seted up with the screw hole of screw bolt looks adaptation.

4. An electric slewing jib crane according to claim 1, wherein: fixing device includes the second installation cavity, the second spout has all been seted up to the inside both sides of second installation cavity, be provided with the second slider between the second spout, the bottom of second slider just is located the inside of second installation cavity is provided with the second spring, the top fixedly connected with arc fixed block of second slider, the bottom of dwang seted up with the second intercommunicating pore of arc fixed block looks adaptation.

5. An electric slewing jib crane according to claim 1, wherein: the lifting device comprises a threaded rod, a first bevel gear is fixedly mounted at the bottom of the threaded rod, a first motor is fixedly mounted on one side of the first bevel gear, a second bevel gear is fixedly connected to one end of an output shaft of the first motor, a threaded block is sleeved on the surface of the threaded rod, and third sliding blocks are fixedly connected to the two sides of the threaded block.

6. An electric slewing jib crane according to claim 2, wherein: the protection box is fixedly mounted at the top of the inner rod, a second motor is arranged inside the protection box, one end of an output shaft of the second motor is fixedly connected with the rotating disc, a steel wire disc is fixedly mounted on one side of the pull rod, and a support piece is fixedly connected to the bottom of the pull rod.

7. An electric slewing jib crane according to claim 6, wherein: the top of the supporting piece is located at the bottom of the pull rod, a steel wire is arranged at the top of the supporting piece, a first end of the steel wire is fixedly connected with a lifting hook, a right side of the outer cantilever is fixedly connected with a stop block, and box doors are arranged on the front sides of the outer rod, the outer cantilever, the inner cantilever, the protective box and the box body.