CN113086861A - Cantilever crane - Google Patents

Cantilever crane Download PDF

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Publication number
CN113086861A
CN113086861A CN202110410023.XA CN202110410023A CN113086861A CN 113086861 A CN113086861 A CN 113086861A CN 202110410023 A CN202110410023 A CN 202110410023A CN 113086861 A CN113086861 A CN 113086861A
Authority
CN
China
Prior art keywords
wall
rotating shaft
motor
gear
connecting block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110410023.XA
Other languages
Chinese (zh)
Inventor
孙云飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Mingwei Technology Development Co ltd
Original Assignee
Anhui Mingwei Technology Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Mingwei Technology Development Co ltd filed Critical Anhui Mingwei Technology Development Co ltd
Priority to CN202110410023.XA priority Critical patent/CN113086861A/en
Publication of CN113086861A publication Critical patent/CN113086861A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • B66C23/163—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements where only part of the column rotates, i.e. at least the bottom part is fixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
    • B66C11/04—Underhung trolleys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/84—Slewing gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/02—Travelling gear incorporated in or fitted to trolleys or cranes for underhung trolleys or cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/14—Trolley or crane travel drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/12—Driving gear incorporating electric motors

Abstract

The invention discloses a cantilever crane, which comprises a base and a support column, wherein the top of the base is provided with a mounting seat, the bottom of the support column is provided with a plurality of connecting rods at intervals, one end of each connecting rod is provided with a roller, the roller is arranged at the top of the mounting seat, the outer wall of the support column is sleeved with the support plate, one side of the top of the support plate is provided with a first through hole, a first rolling bearing is arranged in the first through hole, the inner wall of the first rolling bearing is provided with a first rotating shaft, the outer wall of the mounting seat is sleeved with an annular rack, the outer wall of the first rotating shaft is sleeved with a first gear, the first gear is meshed with the annular rack, three second through holes are formed in the circle of the top of the support plate at intervals, a second rolling bearing is arranged in the second through hole, the. The invention is convenient and quick to use, can reduce the shaking of the support column and is convenient to increase the stability of the support column.

Description

Cantilever crane
Technical Field
The invention relates to the technical field of cranes, in particular to a cantilever crane.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. 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 subjected to some accidents during running, the running speed is higher than that of a 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 is matched with steel wire ropes of various types including phosphated coated steel wire ropes, galvanized steel wire ropes and polished steel wire ropes.
The support column of the existing cantilever crane can shake to affect the safety of the crane, and after the crane lifts an object, the object is not convenient to move to one side of the support column.
Disclosure of Invention
The invention mainly aims to provide a cantilever crane, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a cantilever crane comprises a base and a support column, wherein the top of the base is provided with a mounting seat, the bottom of the support column is provided with a plurality of connecting rods at intervals, a plurality of connecting rods are provided with rollers at one ends, the rollers are arranged at the top of the mounting seat, the outer wall of the support column is sleeved with a support plate, one side of the top of the support plate is provided with a first through hole, a first rolling bearing is arranged in the first through hole, the inner wall of the first rolling bearing is provided with a first rotating shaft, the outer wall of the mounting seat is sleeved with an annular rack, the outer wall of the first rotating shaft is sleeved with a first gear, the first gear is meshed with the annular rack, three second through holes are arranged at intervals on the top circle of the support plate, a second rolling bearing is arranged in the second through hole, the inner wall of the second rolling bearing is provided with, the second gear is meshed with the annular rack.
Preferably, the support column lateral wall in the backup pad top is equipped with the connecting plate, the connecting plate top is equipped with first motor, the output shaft pot head of first motor is equipped with first bevel gear, first pivot outer wall in the backup pad top cover is equipped with second bevel gear, second bevel gear with first bevel gear meshes mutually, the support column top is equipped with the cantilever, the shorter one side bottom of cantilever arm length is equipped with the balancing weight.
Preferably, a first mounting frame, a slide rail and a first connecting block are arranged at the bottom of the longer side of the cantilever arm at intervals, the slide rail is arranged between the first mounting frame and the first connecting block, a slide plate is arranged in the slide rail in a matching manner, a second connecting block is arranged on one side of the bottom of the slide plate, a second mounting frame and a third connecting block are arranged on the other side of the bottom of the slide plate, a second motor is arranged at the bottom of the first mounting frame, a lead screw is arranged at one end of an output shaft of the second motor and penetrates through the second connecting block, a third rotating shaft is arranged at one end of the lead screw and penetrates through the first connecting block, a lead screw nut is arranged on the outer wall of the lead screw in a matching manner, the side wall of the lead screw nut is connected with the second connecting block, a third motor is arranged at the bottom of the second mounting frame, a fourth rotating shaft is arranged at one, the fourth pivot outer wall in the third motor with the cover is equipped with the reel between the third connecting block, the reel inner wall is equipped with even wire rope, wire rope one end is equipped with the couple.
Preferably, the first rotating shaft and the second rotating shaft are arranged in parallel with the supporting column, and the supporting plate and the top of the mounting seat are arranged in parallel.
Preferably, the screw rod and the slide rail are arranged in parallel.
Preferably, the first gear is in key connection with the first rotating shaft, the second gear is in key connection with the second rotating shaft, the first bevel gear is in key connection with an output shaft of the first motor, and the second bevel gear is in key connection with the first rotating shaft.
Preferably, the outer wall of the first rolling bearing is in interference connection with the first through hole, the inner wall of the first rolling bearing is in interference connection with the first rotating shaft, the outer wall of the second rolling bearing is in interference connection with the second through hole, and the second rolling bearing is in interference connection with the second rotating shaft.
Preferably, the top of the base is provided with a plurality of mounting holes on the outer side of the mounting seat.
Compared with the prior art, the invention has the following beneficial effects:
the cantilever crane has the advantages that by arranging the connecting rod, the roller, the supporting plate, the first through hole, the first rolling bearing, the first rotating shaft, the annular rack, the first gear, the second through hole, the second rolling bearing, the second rotating shaft and the second gear, the first motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the first rotating shaft to rotate, the first gear drives the first gear to rotate, the first gear rotates along the annular rack, the first gear drives the supporting plate to rotate, the supporting plate drives the supporting column to rotate, the supporting column drives the roller to roll on the top of the mounting seat through the connecting rod, the second gear passively rotates along the annular rack, the second gear drives the second rotating shaft to rotate, the first gear, the first rotating shaft, the second rotating shaft and the second gear limit the supporting plate to shake, further the shake of the supporting column is reduced, and the shake of the, the stability of the supporting column is convenient to increase;
by arranging the first mounting rack, the slide rail, the first connecting block and the slide plate, the second connecting block, the second motor, the lead screw, third pivot and screw-nut, the second motor drives the lead screw and rotates, the lead screw drives the third pivot and rotates, the lead screw drives the screw-nut to move to second motor one side, screw-nut drives the second connecting block to move to second motor one side, the second connecting block drives the slide to move to second motor one side, the slide drives second mounting bracket and third connecting block to move to second motor one side, second mounting bracket and third connecting block drive third motor and fourth pivot to second motor one side motion, third motor and fourth pivot drive the reel to move to second motor one side, the reel drives wire rope to move to second motor one side, wire rope drives the goods through the couple and moves to second motor one side, lead screw driven stability is good, can realize driving article to support column one side motion fast and stably.
Drawings
Fig. 1 is a schematic view of the overall structure of a jib crane according to the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Fig. 3 is an enlarged schematic view of B in fig. 1.
Fig. 4 is an enlarged schematic view of C in fig. 1.
Fig. 5 is a side view of the slide plate.
Fig. 6 is a top view of the support plate.
In the figure: 1. a base; 2. a support pillar; 3. a mounting seat; 4. a connecting rod; 5. a roller; 6. a support plate; 7. a first through hole; 8. a first rolling bearing; 9. a first rotating shaft; 10. an annular rack; 11. a first gear; 12. a second through hole; 13. a second rolling bearing; 14. a second rotating shaft; 15. a connecting plate; 16. a first motor; 17. a first bevel gear; 18. a second bevel gear; 19. a cantilever; 20. a balancing weight; 21. a first mounting bracket; 22. a slide rail; 23. a first connection block; 24. a slide plate; 25. a second connecting block; 26. a second mounting bracket; 27. a third connecting block; 28. a second motor; 29. a screw rod; 30. a third rotating shaft; 31. a feed screw nut; 32. a third motor; 33. a fourth rotating shaft; 34. a reel; 35. a wire rope; 36. a second gear; 37. and (4) hanging hooks.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in figures 1-6, a cantilever crane comprises a base 1 and a support pillar 2, wherein the top of the base 1 is provided with a mounting seat 3, the bottom of the support pillar 2 is provided with a plurality of connecting rods 4 at intervals, one end of each connecting rod 4 is provided with a roller 5, the roller 5 is arranged at the top of the mounting seat 3, the outer wall of the support pillar 2 is sleeved with a support plate 6, one side of the top of the support plate 6 is provided with a first through hole 7, the first through hole 7 is internally provided with a first rolling bearing 8, the inner wall of the first rolling bearing 8 is provided with a first rotating shaft 9, the outer wall of the mounting seat 3 is sleeved with an annular rack 10, the outer wall of the first rotating shaft 9 is sleeved with a first gear 11, the first gear 11 is meshed with the annular rack 10, one circle of the top of the support plate 6 is provided with three second through holes 12 at intervals, a second rolling bearing 13 is arranged in the second, the second gear 36 is engaged with the annular rack 10.
The lateral wall of the support column 2 is provided with a connecting plate 15 above the support plate 6, the top of the connecting plate 15 is provided with a first motor 16, one end of an output shaft of the first motor 16 is provided with a first bevel gear 17, the outer wall of the first rotating shaft 9 is provided with a second bevel gear 18 above the support plate 6 in a sleeved mode, the second bevel gear 18 is meshed with the first bevel gear 17, the top of the support column 2 is provided with a cantilever 19, and the bottom of one side, with the shorter arm length, of the cantilever 19.
The bottom of the longer side of the cantilever 19 is provided with a first mounting frame 21, a slide rail 22 and a first connecting block 23 at intervals, the slide rail 22 is arranged between the first mounting frame 21 and the first connecting block 23, a slide plate 24 is arranged in the slide rail 22 in a matching way, one side of the bottom of the slide plate 24 is provided with a second connecting block 25, the other side of the bottom of the slide plate 24 is provided with a second mounting frame 26 and a third connecting block 27, the bottom of the first mounting frame 21 is provided with a second motor 28, one end of an output shaft of the second motor 28 is provided with a lead screw 29, the lead screw 29 penetrates through the second connecting block 25, one end of the lead screw 29 is provided with a third rotating shaft 30, the third rotating shaft 30 penetrates through the first connecting block 23, the outer wall of the lead screw 29 is provided with a lead screw nut 31 in a matching way, the side wall of the lead screw nut 31 is connected with the second connecting block 25, the outer wall of the fourth rotating shaft 33 is sleeved with a winding drum 34 between the third motor 32 and the third connecting block 27, the inner wall of the winding drum 34 is provided with a connecting steel wire rope 35, and one end of the steel wire rope 35 is provided with a hook 37.
The first rotating shaft 9 and the second rotating shaft 36 are both arranged in parallel with the supporting column 2, and the supporting plate 6 is arranged in parallel with the top of the mounting base 3; the screw 29 and the slide rail 22 are arranged in parallel; the first gear 11 is in key connection with the first rotating shaft 9, the second gear 36 is in key connection with the second rotating shaft 14, the first bevel gear 17 is in key connection with the output shaft of the first motor 16, and the second bevel gear 18 is in key connection with the first rotating shaft 9; the outer wall of the first rolling bearing 8 is in interference fit connection with the first through hole 7, the inner wall of the first rolling bearing 8 is in interference fit connection with the first rotating shaft 9, the outer wall of the second rolling bearing 13 is in interference fit connection with the second through hole 12, and the second rolling bearing 13 is in interference fit connection with the second rotating shaft 14; a plurality of mounting holes are formed in the outer side of the mounting seat 3 at the top of the base 1.
It should be noted that, when the cantilever crane is used, the third motor 32 is turned on to rotate in the reverse direction, the output shaft of the third motor 32 drives the fourth rotating shaft 33 to rotate, the fourth rotating shaft 33 drives the winding drum 34 to rotate, the winding drum 34 releases the steel wire rope 35, the hook 37 descends to a proper height under the action of gravity, the reverse power supply of the third motor 32 is turned off, the hook 37 is hung on the traction ring of the object, the third motor 32 is turned on to rotate in the forward direction, the output shaft of the third motor 32 drives the fourth rotating shaft 33 to rotate, the winding drum 34 drives the steel wire rope 35 to wind, the steel wire rope 35 drives the goods to move to a proper height through the hook 37, the third motor 32 is turned off to rotate in the forward direction, the first motor 16 is turned on, the output shaft of the first motor 16 drives the first bevel gear 17 to rotate, the first bevel gear 17 drives the second bevel gear 18 to, the second bevel gear 18 drives the first rotating shaft 9 to rotate, the first rotating shaft 9 drives the first gear 11 to rotate, the first gear 11 rotates along the annular rack 10 and further drives the support plate 6 to rotate, the support plate 6 drives the support column 2 to rotate to a proper position, the power of the first motor 16 is turned off, the support column 2 drives the roller 5 to roll on the top of the mounting seat 3 through the connecting rod 4, the second gear 36 rotates along the annular rack 10, the second gear 36 drives the second rotating shaft 14 to rotate, the first gear 11 rotates along the annular rack 10 and the second gear 36 rotates along the annular rack 10 to limit the shaking of the support plate 6, the support plate 6 limits the shaking of the support column 2, the shaking of the support column 2 is convenient to reduce, the stability of the support column 2 is improved, the second motor 28 drives the screw 29 to rotate, the screw 29 drives the third rotating shaft 30 to rotate, and the screw 29 drives the, feed screw nut 31 drives second connecting block 25 to 2 side motion of support column, second connecting block 25 drives the slide to 2 side motion of support column, slide 24 drives second mounting bracket 26 and third connecting block 27 to 2 side motion of support column, second mounting bracket 26 and third connecting block 27 drive third motor 32 and fourth pivot 33 to 2 side motion of support column, third motor 32 and fourth pivot 33 drive reel 34 to 2 side motion of support column, reel 34 drives wire rope 35 to 2 side motion of support column, wire rope 35 drives the goods through couple 37 to 2 side motion of support column, 29 driven stability of lead screw is good, can realize driving article fast and stably to 2 side motion of support column.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. A cantilever crane, includes base (1) and support column (2), its characterized in that: the top of the base (1) is provided with a mounting seat (3), a plurality of connecting rods (4) are arranged at the bottom of the supporting column (2) at intervals, one ends of the connecting rods (4) are respectively provided with a roller (5), the rollers (5) are arranged at the top of the mounting seat (3), the outer wall of the supporting column (2) is sleeved with a supporting plate (6), one side of the top of the supporting plate (6) is provided with a first through hole (7), a first rolling bearing (8) is arranged in the first through hole (7), the inner wall of the first rolling bearing (8) is provided with a first rotating shaft (9), the outer wall of the mounting seat (3) is sleeved with an annular rack (10), the outer wall of the first rotating shaft (9) is sleeved with a first gear (11), the first gear (11) is meshed with the annular rack (10), three second through holes (12) are arranged at intervals at one, the inner wall of the second rolling bearing (13) is provided with a second rotating shaft (14), one end of the second rotating shaft (14) is sleeved with a second gear (36) below the supporting plate (6), and the second gear (36) is meshed with the annular rack (10).
2. A jib crane according to claim 1, wherein: support column (2) lateral wall in backup pad (6) top is equipped with connecting plate (15), connecting plate (15) top is equipped with first motor (16), the output shaft pot head of first motor (16) is equipped with first bevel gear (17), first pivot (9) outer wall in backup pad (6) top cover is equipped with second bevel gear (18), second bevel gear (18) with first bevel gear (17) mesh mutually, support column (2) top is equipped with cantilever (19), cantilever (19) one side bottom that the arm length is shorter is equipped with balancing weight (20).
3. A jib crane according to claim 2, wherein: the cantilever (19) is provided with a first mounting frame (21), a sliding rail (22) and a first connecting block (23) at the bottom of the longer side of the arm length at intervals, the sliding rail (22) is arranged between the first mounting frame (21) and the first connecting block (23), a sliding plate (24) is arranged in the sliding rail (22) in a matching manner, one side of the bottom of the sliding plate (24) is provided with a second connecting block (25), the other side of the bottom of the sliding plate (24) is provided with a second mounting frame (26) and a third connecting block (27), the bottom of the first mounting frame (21) is provided with a second motor (28), one end of an output shaft of the second motor (28) is provided with a lead screw (29), the lead screw (29) penetrates through the second connecting block (25), one end of the lead screw (29) is provided with a third rotating shaft (30), the third rotating shaft (30) penetrates through the first connecting block (23), and the outer wall of the lead, feed screw nut (31) lateral wall with second connecting block (25) are connected, second mounting bracket (26) bottom is equipped with third motor (32), the output shaft one end of third motor (32) is equipped with fourth pivot (33), fourth pivot (33) are passed third connecting block (27), fourth pivot (33) outer wall in third motor (32) with the cover is equipped with reel (34) between third connecting block (27), reel (34) inner wall is equipped with even wire rope (35), wire rope (35) one end is equipped with couple (37).
4. A jib crane according to claim 1, wherein: the first rotating shaft (9) and the second rotating shaft (36) are arranged in parallel with the supporting column (2), and the supporting plate (6) and the top of the mounting seat (3) are arranged in parallel.
5. A jib crane according to claim 3 wherein: the screw rod (29) and the slide rail (22) are arranged in parallel.
6. A jib crane according to claim 2, wherein: the first gear (11) and the first rotating shaft (9) are in key connection, the second gear (36) and the second rotating shaft (14) are in key connection, the first bevel gear (17) and the output shaft of the first motor (16) are in key connection, and the second bevel gear (18) and the first rotating shaft (9) are in key connection.
7. A jib crane according to claim 1, wherein: the first rolling bearing (8) outer wall with first through-hole (7) interference connection, first rolling bearing (8) inner wall with first pivot (9) interference connection, second rolling bearing (13) outer wall with second through-hole (12) interference connection, second rolling bearing (13) with second pivot (14) interference connection.
8. A jib crane according to claim 1, wherein: the top of the base (1) is provided with a plurality of mounting holes on the outer side of the mounting seat (3).
CN202110410023.XA 2021-04-16 2021-04-16 Cantilever crane Pending CN113086861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110410023.XA CN113086861A (en) 2021-04-16 2021-04-16 Cantilever crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110410023.XA CN113086861A (en) 2021-04-16 2021-04-16 Cantilever crane

Publications (1)

Publication Number Publication Date
CN113086861A true CN113086861A (en) 2021-07-09

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Application Number Title Priority Date Filing Date
CN202110410023.XA Pending CN113086861A (en) 2021-04-16 2021-04-16 Cantilever crane

Country Status (1)

Country Link
CN (1) CN113086861A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115072581A (en) * 2022-08-23 2022-09-20 临沂飞传建筑材料有限公司 Hoisting apparatus for building material transfer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207192623U (en) * 2017-06-07 2018-04-06 漳浦新时代农业开发有限公司 A kind of novel suspended arm type boom hoisting
CN107954349A (en) * 2017-12-04 2018-04-24 马少博 Wheel-mounted crane turntable structure
CN210655901U (en) * 2019-08-28 2020-06-02 洪泽县恒基汽车零部件有限公司 Hoisting device for metal machining
CN210764017U (en) * 2019-09-03 2020-06-16 新力紧科技(深圳)有限公司 Hoisting machinery device for building
CN112607619A (en) * 2020-12-23 2021-04-06 江海职业技术学院 Mechanical lifting type engineering machinery transfer device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207192623U (en) * 2017-06-07 2018-04-06 漳浦新时代农业开发有限公司 A kind of novel suspended arm type boom hoisting
CN107954349A (en) * 2017-12-04 2018-04-24 马少博 Wheel-mounted crane turntable structure
CN210655901U (en) * 2019-08-28 2020-06-02 洪泽县恒基汽车零部件有限公司 Hoisting device for metal machining
CN210764017U (en) * 2019-09-03 2020-06-16 新力紧科技(深圳)有限公司 Hoisting machinery device for building
CN112607619A (en) * 2020-12-23 2021-04-06 江海职业技术学院 Mechanical lifting type engineering machinery transfer device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115072581A (en) * 2022-08-23 2022-09-20 临沂飞传建筑材料有限公司 Hoisting apparatus for building material transfer
CN115072581B (en) * 2022-08-23 2022-12-02 临沂飞传建筑材料有限公司 Hoisting device for transferring building materials

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