CN210505307U - Fork wheel crane - Google Patents
Fork wheel crane Download PDFInfo
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- CN210505307U CN210505307U CN201921539129.4U CN201921539129U CN210505307U CN 210505307 U CN210505307 U CN 210505307U CN 201921539129 U CN201921539129 U CN 201921539129U CN 210505307 U CN210505307 U CN 210505307U
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Abstract
The utility model relates to a fork-lift wheel crane, which comprises a wheel-type chassis, wherein the tail part of the wheel-type chassis is provided with a hoisting device, the hoisting device comprises a slewing bearing, a first suspension arm, a second suspension arm, a third suspension arm and a fourth suspension arm, one end of the first suspension arm is hinged with the slewing bearing, the other end of the first suspension arm is hinged with the second suspension arm, and one end of the third suspension arm is hinged with the second suspension arm; a first lifting oil cylinder is arranged on the rotary support, the telescopic end of the first lifting oil cylinder is in driving connection with the first suspension arm, a second lifting oil cylinder is arranged on the first suspension arm, and the telescopic end of the second lifting oil cylinder is in driving connection with the second suspension arm; the third suspension arm is assembled on the second suspension arm in a sliding mode, the fourth suspension arm is assembled on the third suspension arm in a sliding mode, a first telescopic oil cylinder used for driving the third suspension arm to do telescopic motion is arranged on the second suspension arm, and a second telescopic oil cylinder used for driving the fourth suspension arm to do telescopic motion is arranged on the second suspension arm. The fork hoisting wheel type crane has stronger operation capability and smaller occupied space after the hoisting arm is folded.
Description
Technical Field
The utility model relates to a fork hangs machinery, concretely relates to fork hangs wheel crane.
Background
Cranes and forklifts belong to two different types of hoisting equipment. The crane is a lifting mechanical vehicle capable of loading and unloading and lifting goods in a long distance, accurately places the goods in a designated area through the expansion and contraction of the arm body, the angle change of the arm body, the rotation in space and the lifting of a winch, but is generally large in size, inconvenient to enter and exit in places with limited space and high in operation cost. The forklift is an industrial carrying vehicle for loading, unloading and transporting goods, and has small volume and flexible operation.
When some goods are loaded and unloaded, a forklift and a crane are required to operate in a coordinated mode, two devices are operated by independent personnel, the cost is high, and the use is inconvenient. For solving this problem, like the utility model patent of the utility model publication of grant publication No. CN209038984U a multi-functional hoist for fork truck, it includes hydraulic fork truck, loop wheel machine body, landing leg, and the loop wheel machine body includes the base, becomes width of cloth hydro-cylinder, basic arm, and it is articulated with basic arm to become width of cloth hydro-cylinder one end, realizes the action that the davit becomes width of cloth. The basic boom is connected with the first stretching boom in a sliding mode through a hydraulic oil cylinder, the first stretching boom is connected with the second stretching boom in a sliding mode through a hydraulic oil cylinder, and the second stretching boom is connected with the third stretching boom in a sliding mode through a hydraulic oil cylinder to achieve stretching of the suspension arm so as to change the working radius. The crane of the type still occupies a large space even when the boom is in a retracted unused state, increasing the overall length of the equipment. And the loop wheel machine body is installed in fork truck front side, can influence fork truck's use sometimes.
The utility model discloses a novel hydraulic pressure fork of utility model patent of grant publication number CN203402895UD hangs multi-purpose car, this multi-purpose car with hoisting apparatus set up at the fork truck afterbody, hydraulic pressure hoisting apparatus passes through the connection support to be fixed on the chassis of hydraulic pressure fork truck afterbody, hydraulic pressure hoisting apparatus passes through rotary base with the connection support to be connected, is equipped with slewing bearing on the rotary base, realizes hoisting apparatus's 360 rotations around rotary base. Although the hoisting device is arranged at the tail part of the forklift, the suspension arm of the hoisting device is positioned above the forklift, and the lifting hook is positioned above the forklift arm, so that the problems that the suspension arm of the hoisting device occupies large space and affects the use of the forklift still exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fork hoisting wheel formula hoist to the jack-up davit occupation space who solves among the prior art is big, influence the problem that fork truck used.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the fork-lift wheel crane comprises a wheel type chassis, wherein the tail part of the wheel type chassis is provided with a lifting device, the lifting device comprises a rotary support, a first suspension arm, a second suspension arm, a third suspension arm and a fourth suspension arm, one end of the first suspension arm is hinged with the rotary support, the other end of the first suspension arm is hinged with the second suspension arm, and one end of the third suspension arm is hinged with the second suspension arm;
a first lifting oil cylinder is arranged on the rotary support, the telescopic end of the first lifting oil cylinder is in driving connection with the first suspension arm, a second lifting oil cylinder is arranged on the first suspension arm, and the telescopic end of the second lifting oil cylinder is in driving connection with the second suspension arm;
the third suspension arm is assembled on the second suspension arm in a sliding mode, the fourth suspension arm is assembled on the third suspension arm in a sliding mode, a first telescopic oil cylinder used for driving the third suspension arm to do telescopic motion is arranged on the second suspension arm, and a second telescopic oil cylinder used for driving the fourth suspension arm to do telescopic motion is arranged on the second suspension arm.
Furthermore, the rotary support is connected with a rotary support, the rotary support is arranged on a connecting support, and the connecting support is fixed on the wheel type chassis.
Further, the slewing support comprises a slewing reducer.
Furthermore, the telescopic end of the first lifting oil cylinder is connected with the first lifting arm through a first transmission support, the first transmission support comprises a first transmission rod, a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are hinged to the first transmission rod, the first connecting rod and the second connecting rod are respectively provided with a pair, the first connecting rod is hinged to the rotary support, and the second connecting rod is hinged to the first lifting arm.
Furthermore, the telescopic end of the second heave oil cylinder is connected with the second suspension arm through a second transmission support, the second transmission support comprises a second transmission rod, a third connecting rod and a fourth connecting rod, the third connecting rod and the fourth connecting rod are hinged with the second transmission rod, the third connecting rod and the fourth connecting rod are respectively provided with a pair, the third connecting rod is hinged with the first suspension arm, and the fourth connecting rod is hinged with the second suspension arm.
Further, fork hanging wheel crane still includes a pair of folding landing leg, and folding landing leg includes landing leg seat, first landing leg, second landing leg, and the landing leg seat sets up on linking bridge, and the one end of first landing leg is articulated with the landing leg seat, and the other end is articulated with the second landing leg, and the end of second landing leg is equipped with and is used for supporting the stabilizer blade subaerial, and the articulated landing leg hydro-cylinder that is equipped with on the landing leg seat, the flexible end and the second landing leg drive of landing leg hydro-cylinder are connected.
Furthermore, the first support leg and the second support leg are connected together through a connecting plate, the first support leg is fixed with the connecting plate, a first pin shaft, a second pin shaft and a third pin shaft are arranged on the connecting plate, the telescopic end of the support leg telescopic oil cylinder is connected with the first pin shaft, the second support leg is hinged with the connecting plate through the second pin shaft, the third pin shaft is used for limiting the movable stroke of the second support leg, and the first pin shaft, the second pin shaft and the third pin shaft are distributed in a triangular shape;
the second supporting leg is provided with a folding position which rotates around the second pin shaft and is close to the first supporting leg, and is also provided with a supporting position which rotates around the second pin shaft and is opened in the direction far away from the first supporting leg, and when the second supporting leg is positioned at the supporting position, the third pin shaft stops and limits the second supporting leg.
Further, the foot is hingedly connected to the second leg.
Further, the leg base is assembled on the connecting bracket through a shaft pin, and the leg base can rotate around the shaft pin.
The utility model has the advantages that:
the utility model discloses a fork hanging wheel formula hoist, when using, the angle of first, two davits can be controlled to two surge oil cylinders, and the flexible of third, four davits can be controlled to two flexible hydro-cylinders to adjust the davit to the suitable position and carry out the operation. The joint of the first suspension arm and the rotary support and the joint of the second suspension arm 7 and the first suspension arm are in hinged connection, so that under the condition of the same operation radius, the operation capacity is stronger, the operation efficiency is high, and the occupied space is smaller after the folding. The suspension arm mechanism is positioned behind the crane after being folded, and the normal use of the forklift frame on the front side is not influenced.
Furthermore, the landing leg adopts frog landing leg, including first landing leg, second landing leg and landing leg telescopic cylinder, the expansion of landing leg, folding are controlled to the landing leg telescopic cylinder, simple structure, and light in weight is applicable to the small-tonnage hoist.
Drawings
FIG. 1 is a schematic view of a fork lift truck (with the boom in a collapsed position);
FIG. 2 is a schematic view of the construction of a fork lift truck (boom in open position);
FIG. 3 is a schematic perspective view of a fork lift truck (with the boom in a folded position);
FIG. 4 is a schematic view of the construction of the leg portion of FIG. 3 (with one of the webs removed);
fig. 5 is a schematic view of the leg portion of fig. 1 (the leg in a folded stowed condition).
Names corresponding to the marks in the figure:
1. the lifting device comprises a wheel type chassis, 2, a connecting bracket, 3, a rotary support, 4, a first supporting leg, 5, a supporting leg telescopic oil cylinder, 6, a first telescopic oil cylinder, 7, a second suspension arm, 8, a second heave oil cylinder, 9, a lifting hook, 10, a forklift frame, 11, a second supporting leg, 12, a first suspension arm, 13, a third suspension arm, 14, a fourth suspension arm, 15, a second telescopic oil cylinder, 16, a first lifting oil cylinder, 17, a supporting leg, 18, a connecting plate, 19, a first connecting rod, 20, a second connecting rod, 21, a first transmission rod, 22, a third connecting rod, 23, a fourth connecting rod, 24, a second transmission rod, 25, a supporting leg seat, 181, a first pin shaft, 182, a second pin shaft, 183 and a third pin shaft.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The utility model discloses fork hoisting wheel formula hoist's embodiment:
as shown in fig. 1-5, the fork-lift wheel crane includes a wheel type chassis 1, the wheel type chassis 1 is provided with four wheels, and a fork frame 10 is provided at the front of the wheel type chassis 1. This part structure belongs to prior art, the utility model discloses an improvement of going on the basis of current fork truck structure.
The tail part of the wheel type chassis 1 is provided with a hoisting device, the hoisting device comprises a rotary support, a first suspension arm 12, a second suspension arm 7, a third suspension arm 13 and a fourth suspension arm 14, one end of the first suspension arm 12 is hinged with the rotary support, the other end of the first suspension arm is hinged with the second suspension arm 7, and one end of the third suspension arm 13 is hinged with the second suspension arm 7.
The rotary support is connected with a rotary support 3, the rotary support 3 is arranged on a connecting support 2, and the connecting support 2 is fixed at the tail of the wheel type chassis 1. The rotary support 3 comprises a rotary speed reducer, the rotary speed reducer belongs to the prior art, and the rotary speed reducer rotates to drive the rotary support to rotate, so that the rotary action is realized, and the operation area is changed.
The slewing bearing is provided with a first lodging oil cylinder 16, and the telescopic end of the first lodging oil cylinder 16 is in driving connection with the first suspension arm 12. The angle of the first boom 12 is controlled by the extension and contraction of the first heave cylinder 16.
Specifically, the telescopic end of the first lifting cylinder 16 is connected with the first boom 12 through a first transmission bracket, the first transmission bracket comprises a first transmission rod 21, a first connecting rod 19 and a second connecting rod 20, the first connecting rod 19 and the second connecting rod 20 are hinged with the first transmission rod 21, and a pair of first connecting rods 19 and second connecting rods 20 are respectively connected with two ends of the first transmission rod 21. A first link 19 is articulated with the slewing bearing and a second link 20 is articulated with the first boom 12.
The first suspension arm 12 is provided with a second heave oil cylinder 8, and the telescopic end of the second heave oil cylinder 8 is in driving connection with the second suspension arm 7. The angle of the second suspension arm 7 is controlled by the extension and contraction of the second heave oil cylinder 8.
Specifically, the telescopic end of the second heave cylinder 8 is connected with the second boom 7 through a second transmission bracket, the second transmission bracket comprises a second transmission rod 24, and a third connecting rod 22 and a fourth connecting rod 23 which are hinged with the second transmission rod 24, and a pair of the third connecting rod 22 and a pair of the fourth connecting rod 23 are respectively connected to two ends of the second transmission rod 24. The third link 22 is articulated to the first boom 12 and the fourth link 23 is articulated to the second boom 7.
The third suspension arm 13 is assembled on the second suspension arm 7 in a sliding mode, the fourth suspension arm 14 is assembled on the third suspension arm 13 in a sliding mode, the second suspension arm 7 is provided with a first telescopic oil cylinder 6 used for driving the third suspension arm 13 to move in a telescopic mode, and the second suspension arm 7 is provided with a second telescopic oil cylinder 15 used for driving the fourth suspension arm 14 to move in a telescopic mode. The telescopic structure of the third boom 13 and the fourth boom 14 is similar to that of the prior art. The working radius of the boom is changed by controlling the extension and contraction of the third boom 13 and the fourth boom 14.
The fork wheel crane also comprises a pair of folding supporting legs, and frog type supporting legs are adopted. The folding landing leg comprises a landing leg seat 25, a first landing leg 4 and a second landing leg, wherein the landing leg seat 25 is arranged on the connecting support 2, one end of the first landing leg 4 is hinged to the landing leg seat 25, and the other end of the first landing leg is hinged to the second landing leg 11. The supporting leg seat 25 is hinged with a supporting leg telescopic oil cylinder 5, and the telescopic end of the supporting leg telescopic oil cylinder 5 is in driving connection with the second supporting leg 11.
Specifically, the first leg 4 is connected with the second leg 11 through the connecting plate 18, the first leg 4 is fixed to the connecting plate 18, the connecting plate 18 is provided with a first pin shaft 181, a second pin shaft 182 and a third pin shaft 183, the telescopic end of the leg telescopic cylinder 5 is connected with the first pin shaft 181, the second leg 11 is hinged to the connecting plate 18 through the second pin shaft 182, the third pin shaft 183 is used for limiting the moving stroke of the second leg 11, and the first pin shaft 181, the second pin shaft 182 and the third pin shaft 183 are distributed in a triangular shape.
The second leg 11 has a folding position that rotates around the second pin 182 and closes to the first leg 4, and a supporting position that rotates around the second pin 182 and opens in a direction away from the first leg 4, and when the supporting position is reached, the third pin 183 stops and limits the second leg 11.
The end of the second leg 11 is provided with a foot 17 for supporting on the ground, the foot 17 being hingedly connected to the second leg 11. The foot 17 has a support plane for supporting on the ground.
The leg base 25 is fitted to the connecting bracket 2 by a shaft pin, and the leg base 25 is rotatable about the shaft pin in a horizontal plane. In the use position, the legs are positioned as shown in figure 3. When the folding type folding leg is not used, the supporting legs are folded, the supporting leg telescopic oil cylinders 5 retract in place, the first supporting legs 4 are turned over and basically located at vertical positions, and meanwhile the second supporting legs 11 rotate towards the first supporting legs 4 to be folded. The leg rest 25 can be rotated in the horizontal plane to an angle such that the entire folded leg is in position just behind the forklift to take up less space, as shown in figures 1 and 5.
The utility model discloses a fork hanging wheel crane can a tractor serves two-purpose, and the fork truck frame 10 of front end can be used to normal fork truck and use, and the folding davit of rear end can be used to remote heavy object hoist and mount. During the hoisting operation, the fork-lift wheel crane is firstly opened to a designated working area, and the two support legs are firstly opened before the operation is started, as shown in fig. 3. The support leg telescopic oil cylinders 5 are controlled by the support leg valve to support the vehicle, the angles of the first suspension arm and the second suspension arm are controlled by the two fluctuation oil cylinders, the expansion of the third suspension arm and the fourth suspension arm is controlled by the two telescopic oil cylinders, and the suspension arms are adjusted to proper positions to perform operation.
After the operation is completed, the third boom 13 and the fourth boom 14 are retracted into the second boom 7, the second heave cylinder 8 is retracted, and the second boom 7 is controlled to rotate and fold towards the first boom 12. The first lifting cylinder 16 controls the first lifting arm 12 to close and fold towards the rotary support. In the final state, as shown in fig. 1, the whole boom mechanism is in a folded state, occupies a small space, and is located at the rear, so that the normal use of the front forklift frame 10 is not affected. The connection part of the first suspension arm 12 and the rotary support and the connection part of the second suspension arm 7 and the first suspension arm 12 are in hinged connection, and under the same operation radius, the operation capability of the folding arm is stronger, which is superior to that of a telescopic support arm and is also superior to that of a suspension arm mechanism mentioned in the background art.
The utility model discloses a fork hanging wheel formula hoist adopts wheeled walking mode, has overcome the automobile body of crawler-type walking longer, the operation removes defects such as inflexible.
In this embodiment, the telescopic straight arm part is three-section, and in other embodiments, the telescopic straight arm part can be also arranged into two-section type or four-section type according to requirements.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (9)
1. Fork hanging wheel formula hoist, including wheeled chassis, its characterized in that: the tail part of the wheel type chassis is provided with a hoisting device, the hoisting device comprises a rotary support, a first suspension arm, a second suspension arm, a third suspension arm and a fourth suspension arm, one end of the first suspension arm is hinged with the rotary support, the other end of the first suspension arm is hinged with the second suspension arm, and one end of the third suspension arm is hinged with the second suspension arm;
a first lifting oil cylinder is arranged on the rotary support, the telescopic end of the first lifting oil cylinder is in driving connection with the first suspension arm, a second lifting oil cylinder is arranged on the first suspension arm, and the telescopic end of the second lifting oil cylinder is in driving connection with the second suspension arm;
the third suspension arm is assembled on the second suspension arm in a sliding mode, the fourth suspension arm is assembled on the third suspension arm in a sliding mode, a first telescopic oil cylinder used for driving the third suspension arm to do telescopic motion is arranged on the second suspension arm, and a second telescopic oil cylinder used for driving the fourth suspension arm to do telescopic motion is arranged on the second suspension arm.
2. The fork lift crane of claim 1, wherein: the rotary support is connected with the rotary support, the rotary support is arranged on the connecting support, and the connecting support is fixed on the wheel type chassis.
3. The fork lift crane of claim 2, wherein: the slewing support comprises a slewing reducer.
4. The fork lift crane of claim 1, wherein: the telescopic end of the first lodging oil cylinder is connected with the first suspension arm through a first transmission support, the first transmission support comprises a first transmission rod, a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are hinged to the first transmission rod, the first connecting rod and the second connecting rod are respectively provided with a pair, the first connecting rod is hinged to the rotary support, and the second connecting rod is hinged to the first suspension arm.
5. The fork lift crane of claim 1, wherein: the telescopic end of the second heave oil cylinder is connected with the second suspension arm through a second transmission support, the second transmission support comprises a second transmission rod, a third connecting rod and a fourth connecting rod, the third connecting rod and the fourth connecting rod are hinged with the second transmission rod, a pair of the third connecting rod and the fourth connecting rod is arranged, the third connecting rod is hinged with the first suspension arm, and the fourth connecting rod is hinged with the second suspension arm.
6. The fork lift crane of claim 2, wherein: the fork hanging wheel type crane further comprises a pair of folding supporting legs, the folding supporting legs comprise supporting leg seats, first supporting legs and second supporting legs, the supporting leg seats are arranged on the connecting support, one ends of the first supporting legs are hinged to the supporting leg seats, the other ends of the first supporting legs are hinged to the second supporting legs, the tail ends of the second supporting legs are provided with supporting legs used for supporting the supporting legs on the ground, supporting leg telescopic oil cylinders are hinged to the supporting leg seats, and the telescopic ends of the supporting leg telescopic oil cylinders are connected with the second supporting legs in a driving mode.
7. The fork lift crane of claim 6, wherein: the first support leg and the second support leg are connected together through a connecting plate, the first support leg is fixed with the connecting plate, a first pin shaft, a second pin shaft and a third pin shaft are arranged on the connecting plate, the telescopic end of a support leg telescopic oil cylinder is connected with the first pin shaft, the second support leg is hinged with the connecting plate through the second pin shaft, the third pin shaft is used for limiting the movable stroke of the second support leg, and the first pin shaft, the second pin shaft and the third pin shaft are distributed in a triangular shape;
the second supporting leg is provided with a folding position which rotates around the second pin shaft and is close to the first supporting leg, and is also provided with a supporting position which rotates around the second pin shaft and is opened in the direction far away from the first supporting leg, and when the second supporting leg is positioned at the supporting position, the third pin shaft stops and limits the second supporting leg.
8. The fork lift crane of claim 6, wherein: the foot is hingedly connected to the second leg.
9. The fork lift crane of claim 6, wherein: the supporting leg seat is assembled on the connecting bracket through a shaft pin, and the supporting leg seat can rotate around the shaft pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921539129.4U CN210505307U (en) | 2019-09-17 | 2019-09-17 | Fork wheel crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921539129.4U CN210505307U (en) | 2019-09-17 | 2019-09-17 | Fork wheel crane |
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| Publication Number | Publication Date |
|---|---|
| CN210505307U true CN210505307U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921539129.4U Active CN210505307U (en) | 2019-09-17 | 2019-09-17 | Fork wheel crane |
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| CN (1) | CN210505307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467115A (en) * | 2019-09-17 | 2019-11-19 | 郑州科步科技有限公司 | Fork hangs wheeled crane |
| CN113135505A (en) * | 2021-04-26 | 2021-07-20 | 郑州新大方重工科技有限公司 | Truss structure follow-up telescopic system with guide mechanism, crane and guide method |
-
2019
- 2019-09-17 CN CN201921539129.4U patent/CN210505307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467115A (en) * | 2019-09-17 | 2019-11-19 | 郑州科步科技有限公司 | Fork hangs wheeled crane |
| CN113135505A (en) * | 2021-04-26 | 2021-07-20 | 郑州新大方重工科技有限公司 | Truss structure follow-up telescopic system with guide mechanism, crane and guide method |
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