CN108238551A - A kind of crane with double drive structure - Google Patents

A kind of crane with double drive structure Download PDF

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Publication number
CN108238551A
CN108238551A CN201810243142.9A CN201810243142A CN108238551A CN 108238551 A CN108238551 A CN 108238551A CN 201810243142 A CN201810243142 A CN 201810243142A CN 108238551 A CN108238551 A CN 108238551A
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CN
China
Prior art keywords
rod
groove
sliding
crane
fixed seat
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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
CN201810243142.9A
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Chinese (zh)
Inventor
关宇航
徐建豪
唐志赏
Original Assignee
唐志赏
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 唐志赏 filed Critical 唐志赏
Priority to CN201810243142.9A priority Critical patent/CN108238551A/en
Publication of CN108238551A publication Critical patent/CN108238551A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/06Cranes 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 mounted for jibbing or luffing movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details
    • B66C23/64Jibs
    • B66C23/68Jibs foldable or otherwise adjustable in configuration

Abstract

The invention discloses a kind of cranes with double drive structure, including pedestal, the first fixed seat is installed at the top of the pedestal, crane arm is rotatablely equipped at the top of first fixed seat, the one end of crane arm far from the first fixed seat is rotatablely equipped with pulley, the side of first fixed seat is equipped with the hoist engine for being fixedly mounted on base top, the first sliding groove is offered at the top of pedestal, the first sliding block far from hoist engine side positioned at the first fixed seat is slidably fitted in the first sliding groove, it is extended to outside the first sliding groove at the top of first sliding block, and it is rotatablely equipped with first connecting rod, first connecting rod is obliquely installed, the one end of first connecting rod far from the first sliding block is installed with buffing pad.The present invention can realize that double drive is lifted by crane by hoist engine and motor, so as to improve the stability of article hoisting, while can avoid first connecting rod, second connecting rod and third connecting rod bending, reduce later maintenance cost.

Description

A kind of crane with double drive structure
Technical field
The present invention relates to crane technical field more particularly to a kind of cranes with double drive structure.
Background technology
Crane refers to more action hoisting machineries of vertical-lift in a certain range and horizontal carrying heavy goods, also known as day Vehicle, hanging, crane.
The crane utility model patent of Patent No. 201420371367.X discloses a kind of crane, and it has included It heavy-duty machine ontology and is removably installed on the gantry body, driven by the gantry body and carry out operation of digging pit Drill bit device can be installed on its crane arm by drill bit device, the crane which is provided when needing to dig pit operation On, operation of digging pit is carried out by crane arm and hydraulic system driving drill bit device so that existing crane has not only had lift heavy The effect of object also has the function of that gardens are digged pit operation, and so as to expand the field of operation of crane, but it is being actually used In, supporting mechanism is supported using oil cylinder, and upkeep cost is higher, and stability is poor, and in its supporting mechanism not With buffer gear, in actual use, supporting mechanism easily overloads bending or damage, increases later maintenance cost, so We be badly in need of it is a kind of be easy to use, stability is high and the crane with double drive structure solves the above problems.
Invention content
The purpose of the present invention is to solve shortcoming in the prior art, and the one kind proposed has double drive structure Crane.
To achieve these goals, present invention employs following technical solutions:
A kind of crane with double drive structure, including pedestal, is installed with the first fixation at the top of the pedestal , crane arm is rotatablely equipped at the top of the first fixed seat, the one end of crane arm far from the first fixed seat is rotatablely equipped with pulley, The side of first fixed seat, which is equipped with, is fixedly mounted on the hoist engine of base top, offers the first sliding groove at the top of pedestal, and first The first sliding block far from hoist engine side positioned at the first fixed seat is slidably fitted in sliding slot, is extended at the top of the first sliding block Outside one sliding slot, and first connecting rod is rotatablely equipped with, first connecting rod is obliquely installed, and the one end of first connecting rod far from the first sliding block is fixed Buffing pad is installed, side of the buffing pad far from first connecting rod offers second sliding slot, be symmetrically slidably fitted in second sliding slot Two the second sliding blocks, the side of the second sliding block are extended to outside second sliding slot, and the bottom of crane arm is installed with the second fixed seat, The lower rotation of second fixed seat is equipped with second connecting rod, and second connecting rod is obliquely installed, and second connecting rod is far from the second fixed seat Symmetrically there are two third connecting rods for rotational installation for one end, and two one end of third connecting rod far from second connecting rod are rotatably installed in two respectively On a second sliding block, slide bar is installed in second sliding slot, two the second sliding blocks are slidably located on slide bar, two second Sliding block side close to each other is installed with the fixture block being slidably located on slide bar, and spring is arranged on slide bar, spring Both ends are respectively welded on two fixture blocks;
It opens up fluted on the side inner wall of the first sliding groove, mandril is slidably fitted in groove, one end of mandril is prolonged It extends to outside groove, and is fixedly mounted on the first sliding block, the one end of mandril far from the first sliding block offers screw hole, is equipped in screw hole Screw, screw are threadedly coupled with screw hole, and one end of screw is extended to outside screw hole, and are rotatably installed in groove far from the first sliding block On the inner wall of side, fixing sleeve is equipped with first gear on screw, and through-hole is offered in the top inner wall of groove, is rotatablely installed in through-hole There is shaft, the bottom end of shaft is extended in groove, and is installed with second gear, and second gear is engaged with first gear, the Side of one sliding block far from the first fixed seat is equipped with the motor for being fixedly mounted on base top, and the output shaft of motor extends to through-hole It is interior, and be fixedly connected with the top of shaft.
Preferably, turning set is equipped with steel wire rope on the pulley, and one end of steel wire rope is installed with below pulley Hook, the other end of steel wire rope is fixed on hoist engine.
Preferably, the first square groove that side is opening, crane arm rotational installation are offered at the top of first fixed seat In the first square groove, and one end of crane arm is extended to outside the first square groove.
Preferably, the bottom of second fixed seat offers the second square groove that side is opening, second connecting rod rotation peace In the second square groove, and one end of second connecting rod is extended to outside the second square groove.
Preferably, it is symmetrically opened up in the bottom interior wall of the second sliding slot there are two locating slot, the second sliding block is located at second Side in sliding slot is installed with locating piece, and locating piece is slidably connected with locating slot.
Preferably, limiting slot is symmetrically offered on the both sides inner wall of the groove, the both sides of mandril are symmetrically installed with Limited block, limited block are slidably connected with limiting slot.
Preferably, circular groove is offered on side inner wall of the groove far from the first sliding block, screw is located at one outside screw hole End is rotatably installed in circular groove.
Preferably, bearing is installed in the through-hole, bearing rotation is set in shaft.
Compared with prior art, the beneficial effects of the invention are as follows:
In the present invention, pass through pedestal, the first fixed seat, crane arm, pulley, hoist engine, the first sliding groove, the first sliding block, One connecting rod, buffing pad, second sliding slot, the second sliding block, the second fixed seat, second connecting rod, third connecting rod, slide bar, fixture block, spring, Groove, mandril, screw hole, screw, first gear, through-hole, shaft, second gear and motor match, and start hoist engine and drive steel Cord, under the supporting role of pulley, steel wire rope drives hook again, so as to the article lifted by crane be needed to sling on hook, together Shi Qidong motors, motor rotation will drive shaft rotation, and shaft rotation drives second gear rotation, and second gear rotation drives the One gear rotates, and first gear rotation drives screw rotation, and under the action of limited block and limiting slot, screw rotates in screw hole Mandril will be pushed, mandril pushes the first sliding block to slide again, and the slip of the first sliding block will drive first connecting rod, and first connecting rod pushes buffering Seat, buffing pad is by slide bar and the second slipper push third connecting rod, while two the second sliding blocks will be to the sidesway being located remotely from each other Dynamic, so as to extension spring, third connecting rod will push second connecting rod, and second connecting rod pushes the second fixed seat, and the second fixed seat pushes Crane arm rotates, and so as to which hoist engine be coordinated to realize double drive lifting, while under the action of the spring, avoids first connecting rod, second Connecting rod is excessive with third connecting rod stress and bending damages, and the present invention can realize that double drive is lifted by crane by hoist engine and motor, from And the stability of article hoisting is improved, while first connecting rod, second connecting rod and third connecting rod bending can be avoided, reduce later stage dimension Protect cost.
Description of the drawings
Fig. 1 is a kind of schematic cross-sectional view of the crane with double drive structure proposed by the present invention;
Fig. 2 is the schematic cross-sectional view of part A in a kind of crane with double drive structure proposed by the present invention;
Fig. 3 is the schematic cross-sectional view of part B in Fig. 2;
Fig. 4 is the schematic cross-sectional view of C portion in a kind of crane with double drive structure proposed by the present invention;
Fig. 5 is the schematic cross-sectional view of D parts in Fig. 4.
In figure:1 pedestal, 2 first fixed seats, 3 crane arms, 4 pulleys, 5 hoist engines, 6 the first sliding grooves, 7 first sliding blocks, 8 One connecting rod, 9 buffing pads, 10 second sliding slots, 11 second sliding blocks, 12 second fixed seats, 13 second connecting rods, 14 third connecting rods, 15 are slided Bar, 16 fixture blocks, 17 springs, 18 grooves, 19 mandrils, 20 screw holes, 21 screws, 22 first gears, 23 through-holes, 24 shafts, 25 Two gears, 26 motors.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-5, a kind of crane with double drive structure, including pedestal 1, the top of pedestal 1 is installed with First fixed seat 2, the top of the first fixed seat 2 are rotatablely equipped with crane arm 3, and the one end of crane arm 3 far from the first fixed seat 2 turns Dynamic to be equipped with pulley 4, the side of the first fixed seat 2 is equipped with the hoist engine 5 for being fixedly mounted on 1 top of pedestal, and the top of pedestal 1 is opened Equipped with the first sliding groove 6, it is slidably fitted in the first sliding groove 6 positioned at first sliding block of first fixed seat 2 far from 5 side of hoist engine 7, the top of the first sliding block 7 is extended to outside the first sliding groove 6, and is rotatablely equipped with first connecting rod 8, and first connecting rod 8 is obliquely installed, The one end of first connecting rod 8 far from the first sliding block 7 is installed with buffing pad 9, and side of the buffing pad 9 far from first connecting rod 8 is opened It is symmetrically slidably installed equipped with second sliding slot 10, in second sliding slot 10 there are two the second sliding block 11, the side of the second sliding block 11 extends To outside second sliding slot 10, the bottom of crane arm 3 is installed with the second fixed seat 12, the lower rotation installation of the second fixed seat 12 There is second connecting rod 13, second connecting rod 13 is obliquely installed, and the one end of second connecting rod 13 far from the second fixed seat 12 is symmetrically rotatablely installed There are two third connecting rods 14, and two one end of third connecting rod 14 far from second connecting rod 13 are rotatably installed in two the second sliding blocks respectively On 11, slide bar 15 is installed in second sliding slot 10, two the second sliding blocks 11 are slidably located on slide bar 15, two second The side close to each other of sliding block 11 is installed with the fixture block 16 being slidably located on slide bar 15, and spring is arranged on slide bar 15 17, the both ends of spring 17 are respectively welded on two fixture blocks 16;Fluted 18 are opened up on the side inner wall of the first sliding groove 6, groove Mandril 19 is slidably fitted in 18, one end of mandril 19 is extended to outside groove 18, and is fixedly mounted on the first sliding block 7, mandril 19 one end far from the first sliding block 7 offer screw hole 20, and screw 21 is equipped in screw hole 20, and screw 21 is threadedly coupled with screw hole 20, One end of screw 21 is extended to outside screw hole 20, and is rotatably installed on side inner wall of the groove 18 far from the first sliding block 7, screw 21 Upper fixing sleeve is equipped with first gear 22, offers through-hole 23 in the top inner wall of groove 18, shaft is rotatablely equipped in through-hole 23 24, the bottom end of shaft 24 is extended in groove 18, and is installed with second gear 25, second gear 25 and first gear 22 Engagement, side of first sliding block 7 far from the first fixed seat 2 are equipped with the motor 26 for being fixedly mounted on the top of pedestal 1, motor 26 it is defeated Shaft is extended in through-hole 23, and is fixedly connected with the top of shaft 24, by pedestal 1, the first fixed seat 2, crane arm 3, is slided Wheel 4, hoist engine 5, the first sliding groove 6, the first sliding block 7, first connecting rod 8, buffing pad 9, second sliding slot 10, the second sliding block 11, second Fixed seat 12, second connecting rod 13, third connecting rod 14, slide bar 15, fixture block 16, spring 17, groove 18, mandril 19, screw hole 20, screw 21st, first gear 22, through-hole 23, shaft 24, second gear 25 and motor 26 match, and start hoist engine 5 and drive steel wire rope, Under the supporting role of pulley 4, steel wire rope drives hook again, so as to the article lifted by crane be needed to sling on hook, starts simultaneously Motor 26, motor 26, which rotates, will drive shaft 24 to rotate, and the rotation of shaft 24 drives second gear 25 to rotate, and second gear 25 rotates First gear 22 is driven to rotate, the rotation of first gear 22 drives screw 21 to rotate, under the action of limited block and limiting slot, screw 21 in the screw hole 20 rotation will push mandril 19, mandril 19 pushes the first sliding block 7 to slide again, and the slip of the first sliding block 7 will drive the One connecting rod 8, first connecting rod 8 push buffing pad 9, and buffing pad 9 pushes third connecting rod 14 by 15 and second sliding block 11 of slide bar, simultaneously Two the second sliding blocks 11 will be moved to the side being located remotely from each other, and so as to extension spring 17, third connecting rod 14 will push second connecting rod 13, second connecting rod 13 pushes the second fixed seat 12, and the second fixed seat 12 pushes crane arm 3 to rotate, so as to which hoist engine 5 be coordinated to realize Double drive is lifted by crane, while under the action of spring 17, avoids first connecting rod 8, second connecting rod 13 and 14 stress of third connecting rod excessive And bending damages, the present invention can realize that double drive is lifted by crane by hoist engine 5 and motor 26, so as to improve the steady of article hoisting It is qualitative, while 14 bending of first connecting rod 8, second connecting rod 13 and third connecting rod can be avoided, reduce later maintenance cost.
In the present invention, turning set is equipped with steel wire rope on pulley 4, and one end of steel wire rope is installed with positioned at 4 lower section of pulley Hook, the other end of steel wire rope is fixed on hoist engine 5, and the top of the first fixed seat 2 offers side is opening first Square groove, crane arm 2 are rotatably installed in the first square groove, and one end of crane arm 2 is extended to outside the first square groove, the second fixed seat 12 Bottom offer side be opening the second square groove, second connecting rod 13 is rotatably installed in the second square groove, and second connecting rod 13 One end extend to outside the second square groove, symmetrically opened up in the bottom interior wall of second sliding slot 10 there are two locating slot, the second sliding block 11 Side in second sliding slot 10 is installed with locating piece, and locating piece is slidably connected with locating slot, in the both sides of groove 18 Limiting slot is symmetrically offered on wall, the both sides of mandril 19 are symmetrically installed with limited block, and limited block is slidably connected with limiting slot, Groove 18 offers circular groove on the side inner wall far from the first sliding block 7, one end that screw 21 is located at outside screw hole 20 is rotatably installed in In circular groove, bearing is installed in through-hole 23, bearing rotation is set in shaft 24, by pedestal 1, the first fixed seat 2, is risen Weighing arm 3, pulley 4, hoist engine 5, the first sliding groove 6, the first sliding block 7, first connecting rod 8, buffing pad 9, second sliding slot 10, the second sliding block 11st, the second fixed seat 12, second connecting rod 13, third connecting rod 14, slide bar 15, fixture block 16, spring 17, groove 18, mandril 19, screw hole 20th, screw 21, first gear 22, through-hole 23, shaft 24, second gear 25 and motor 26 match, and start hoist engine 5 and drive steel Cord, under the supporting role of pulley 4, steel wire rope drives hook again, so as to the article lifted by crane be needed to sling on hook, together Shi Qidong motors 26, motor 26, which rotates, will drive shaft 24 to rotate, and the rotation of shaft 24 drives second gear 25 to rotate, second gear 25 rotations drive first gear 22 to rotate, and the rotation of first gear 22 drives screw 21 to rotate, in the effect of limited block and limiting slot Under, the rotation in screw hole 20 of screw 21 will push mandril 19, and mandril 19 pushes the first sliding block 7 to slide again, and the first sliding block 7 slides First connecting rod 8 will be driven, first connecting rod 8 pushes buffing pad 9, and buffing pad 9 pushes third to connect by 15 and second sliding block 11 of slide bar Bar 14, while two the second sliding blocks 11 will be moved to the side being located remotely from each other, so as to extension spring 17, third connecting rod 14 will push Second connecting rod 13, second connecting rod 13 push the second fixed seat 12, and the second fixed seat 12 pushes crane arm 3 to rotate, so as to coordinate volume It raises machine 5 and realizes double drive lifting, while under the action of spring 17, avoid first connecting rod 8, second connecting rod 13 and third connecting rod 14 stress are excessive and bending damages, and the present invention can realize that double drive is lifted by crane by hoist engine 5 and motor 26, so as to improve lifting The stability of article, while 14 bending of first connecting rod 8, second connecting rod 13 and third connecting rod can be avoided, reduce later maintenance into This.
In the present invention, the model JK-JM of hoist engine 5 in actual use, starts hoist engine 5 and drives steel wire rope, in cunning Under the supporting role of wheel 4, steel wire rope drives hook again, so as to the article lifted by crane be needed to sling, while start electricity on hook Machine 26, motor 26, which rotates, will drive shaft 24 to rotate, and the rotation of shaft 24 drives second gear 25 to rotate, and second gear 25 rotates First gear 22 is driven to rotate, the rotation of first gear 22 drives screw 21 to rotate, under the action of limited block and limiting slot, screw 21 in the screw hole 20 rotation will push mandril 19, mandril 19 pushes the first sliding block 7 to slide again, and the slip of the first sliding block 7 will drive the One connecting rod 8, first connecting rod 8 push buffing pad 9, and buffing pad 9 pushes third connecting rod 14 by 15 and second sliding block 11 of slide bar, simultaneously Two the second sliding blocks 11 will be moved to the side being located remotely from each other, and so as to extension spring 17, third connecting rod 14 will push second connecting rod 13, second connecting rod 13 pushes the second fixed seat 12, and the second fixed seat 12 pushes crane arm 3 to rotate, so as to coordinate hoist engine 5 real Existing double drive lifting, while under the action of spring 17, avoid first connecting rod 8, second connecting rod 13 and 14 stress mistake of third connecting rod It is big and bending damages, after the completion of article lifting, then hoist engine 5 is controlled to be rotated backward with motor 26, motor 26 rotate backward by Screw 21 is driven to be rotated backward in screw hole 20, so as to which mandril 19 be made to be moved into groove 18, so as to which crane arm 3 be made to turn downwards It is dynamic, convenient for article hoisting again.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of crane with double drive structure, including pedestal (1), which is characterized in that the top of the pedestal (1) is fixed First fixed seat (2) is installed, crane arm (3) is rotatablely equipped at the top of the first fixed seat (2), crane arm (3) is far from first One end of fixed seat (2) is rotatablely equipped with pulley (4), and the side of the first fixed seat (2), which is equipped with, to be fixedly mounted at the top of pedestal (1) Hoist engine (5), the first sliding groove (6) is offered at the top of pedestal (1), is slidably fitted in the first sliding groove (6) solid positioned at first First sliding block (7) of the reservation (2) far from hoist engine (5) side, extends to the first sliding groove (6) outside at the top of the first sliding block (7), and First connecting rod (8) is rotatablely equipped with, first connecting rod (8) is obliquely installed, and the one end of first connecting rod (8) far from the first sliding block (7) is consolidated Dingan County is equipped with buffing pad (9), and side of the buffing pad (9) far from first connecting rod (8) offers second sliding slot (10), second sliding slot (10) it being symmetrically slidably installed in there are two the second sliding block (11), the side of the second sliding block (11) extends to second sliding slot (10) outside, The bottom of crane arm (3) is installed with the second fixed seat (12), and the lower rotation of the second fixed seat (12) is equipped with the second company Bar (13), second connecting rod (13) are obliquely installed, and the one end of second connecting rod (13) far from the second fixed seat (12) is symmetrically rotatablely installed There are two third connecting rod (14), the one end of two third connecting rods (14) far from second connecting rod (13) is rotatably installed in two the respectively It is installed with slide bar (15) on two sliding blocks (11), in second sliding slot (10), two the second sliding blocks (11) are slidably located in cunning On bar (15), two the second sliding block (11) sides close to each other are installed with the fixture block on the slide bar that is slidably located in (15) (16), spring (17) is arranged on slide bar (15), the both ends of spring (17) are respectively welded on two fixture blocks (16);
It is opened up fluted (18) on the side inner wall of the first sliding groove (6), mandril (19) is slidably fitted in groove (18), pushed up One end of bar (19) extends to groove (18) outside, and is fixedly mounted on the first sliding block (7), and mandril (19) is far from the first sliding block (7) one end offers screw hole (20), is equipped with screw (21) in screw hole (20), screw (21) is threadedly coupled with screw hole (20), silk One end of bar (21) extends to screw hole (20) outside, and is rotatably installed on side inner wall of the groove (18) far from the first sliding block (7), Fixing sleeve is equipped with first gear (22) on screw (21), and through-hole (23), through-hole (23) are offered in the top inner wall of groove (18) Shaft (24) is inside rotatablely equipped with, the bottom end of shaft (24) is extended in groove (18), and be installed with second gear (25), Second gear (25) is engaged with first gear (22), and side of the first sliding block (7) far from the first fixed seat (2), which is equipped with, to be fixedly mounted Motor (26) at the top of pedestal (1), the output shaft of motor (26) are extended in through-hole (23), and consolidate with the top of shaft (24) Fixed connection.
2. a kind of crane with double drive structure according to claim 1, which is characterized in that on the pulley (4) Turning set is equipped with steel wire rope, and one end of steel wire rope is installed with the hook below pulley (4), and the other end of steel wire rope is consolidated It is scheduled on hoist engine (5).
A kind of 3. crane with double drive structure according to claim 1, which is characterized in that first fixed seat (2) the first square groove that side is opening is offered at the top of, crane arm (2) is rotatably installed in the first square groove, and crane arm (2) One end extend to outside the first square groove.
A kind of 4. crane with double drive structure according to claim 1, which is characterized in that second fixed seat (12) bottom offers the second square groove that side is opening, and second connecting rod (13) is rotatably installed in the second square groove, and second One end of connecting rod (13) is extended to outside the second square groove.
A kind of 5. crane with double drive structure according to claim 1, which is characterized in that the second sliding slot (10) locating slot there are two symmetrically being opened up in bottom interior wall, side of the second sliding block (11) in second sliding slot (10) is fixed Locating piece is installed, locating piece is slidably connected with locating slot.
6. a kind of crane with double drive structure according to claim 1, which is characterized in that the groove (18) Limiting slot is symmetrically offered on the inner wall of both sides, the both sides of mandril (19) are symmetrically installed with limited block, limited block and limiting slot It is slidably connected.
7. a kind of crane with double drive structure according to claim 1, which is characterized in that the groove (18) is remote Circular groove is offered on side inner wall from the first sliding block (7), screw (21) is rotatably installed in circle positioned at the one end of screw hole (20) outside In slot.
8. a kind of crane with double drive structure according to claim 1, which is characterized in that in the through-hole (23) Bearing is installed with, bearing rotation is set in shaft (24).
CN201810243142.9A 2018-03-23 2018-03-23 A kind of crane with double drive structure Pending CN108238551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810243142.9A CN108238551A (en) 2018-03-23 2018-03-23 A kind of crane with double drive structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810243142.9A CN108238551A (en) 2018-03-23 2018-03-23 A kind of crane with double drive structure

Publications (1)

Publication Number Publication Date
CN108238551A true CN108238551A (en) 2018-07-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810243142.9A Pending CN108238551A (en) 2018-03-23 2018-03-23 A kind of crane with double drive structure

Country Status (1)

Country Link
CN (1) CN108238551A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110395665A (en) * 2019-08-02 2019-11-01 四川大学 A kind of rubber tired crane column jack up unit and method
CN112794201A (en) * 2021-01-27 2021-05-14 中铁十六局集团有限公司 Special multifunctional rotary adjusting lifting appliance for segmental beam
CN112850510A (en) * 2021-01-21 2021-05-28 长沙源谦机械制造有限公司 Supporting system based on crane boom support

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110395665A (en) * 2019-08-02 2019-11-01 四川大学 A kind of rubber tired crane column jack up unit and method
CN110395665B (en) * 2019-08-02 2020-04-21 四川大学 Lifting device and method for upright column of tyre type crane
CN112850510A (en) * 2021-01-21 2021-05-28 长沙源谦机械制造有限公司 Supporting system based on crane boom support
CN112850510B (en) * 2021-01-21 2021-12-03 长沙源谦机械制造有限公司 Supporting system based on crane boom support
CN112794201A (en) * 2021-01-27 2021-05-14 中铁十六局集团有限公司 Special multifunctional rotary adjusting lifting appliance for segmental beam

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