CN216889974U

CN216889974U - Self-lifting forklift truck on vehicle

Info

Publication number: CN216889974U
Application number: CN202122982475.3U
Authority: CN
Inventors: 王立德; 李晓武; 刘从明; 曹景亮; 陈昌雷; 曾昭强; 易进; 周辉; 王青; 谭庆科; 龙理晴; 熊旋; 于艺盛; 颜伟韬; 黄学艺; 朱敏
Original assignee: State Grid Corp of China SGCC; State Grid Hunan Electric Power Co Ltd; Maintenance Co of State Grid Hunan Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Hunan Electric Power Co Ltd; Maintenance Co of State Grid Hunan Electric Power Co Ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-07-05
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a vehicle-mounted self-lifting forklift which comprises a forklift body, a first lifting mechanism, a supporting travelling mechanism and a first control unit, wherein the forklift body is connected with the supporting travelling mechanism through the first lifting mechanism, a first supporting leg is arranged on the forklift body, the first control unit is connected with a control end of the first lifting mechanism, so that after the first lifting mechanism is controlled to lift the forklift body to a target height, the supporting travelling mechanism moves the forklift body to a target position, the first supporting leg supports the forklift body at the target position, and the supporting travelling mechanism is retracted by the first lifting mechanism. The utility model can be carried to different sites along with trucks to load and unload the truck, thereby needing no additional loading and unloading tools on the site and greatly saving the economic cost.

Description

Self-lifting forklift truck on vehicle

Technical Field

The utility model relates to the field of forklifts, in particular to a self-lifting forklift on a vehicle.

Background

A large amount of overhaul work is carried out on a power grid company every year, a large amount of large spare parts, large tools and large test instruments are transported, driving or lifting forklifts or crane loading is generally adopted, most transformer substations have no overhaul workshops, large loading and unloading tools such as the driving or the lifting forklifts and the like are not arranged in the transformer substations, the large spare parts, the large tools and the large test instruments can only be loaded and unloaded by using a crane in the transformer substations, after the field work is finished, the large spare parts, the large tools and the large test instruments need to be loaded and transported back to a base again, the crane is required to be loaded and unloaded after the large spare parts, the large tools and the large test instruments reach the base, namely, the cranes need to be arranged on the fields of the transformer substations and the base, the field service time of the cranes is very short, the cost is high, and a large amount of funds are wasted.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: aiming at the technical problems in the prior art, the utility model provides the truck-mounted self-elevating forklift which can be carried to a destination along with a truck for loading and unloading goods, so that a loading and unloading tool does not need to be configured on each site, and the economic cost is greatly saved.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

the utility model provides a lorry-mounted self-elevating forklift, includes fork truck body, a elevating system, supports running gear and first the control unit, the fork truck body is connected through a elevating system and support running gear, be equipped with first supporting leg on the fork truck body, a the control end of control unit and a elevating system is connected, makes a controlled extension or the shrink of a elevating system to adjustment fork truck body and support the distance between the running gear, it removes to support running gear the fork truck body is to the target location.

Further, be equipped with second elevating system on the fork truck body and install the lift piece on second elevating system, first supporting leg sets up in second elevating system's bottom, lift piece and first supporting leg one-to-one, just the lift piece is equipped with the cavity that is used for holding the first supporting leg that corresponds, makes the first supporting leg that corresponds when the lift piece descends to second elevating system's bottom is located in the cavity.

Further, second elevating system includes second guide rail frame, second elevating platform, assembly pulley, chain, hydro-cylinder and fuel feeding unit, first supporting leg sets up in second guide rail frame bottom, the lifting member is connected with the second elevating platform, the second elevating platform sets up along second guide rail frame at vertical direction activity, the expansion end of hydro-cylinder passes through the chain and is connected with the second elevating platform, the end of receiving oil and the fuel feeding unit connection of hydro-cylinder, the assembly pulley sets up between hydro-cylinder and second elevating platform, just the chain passes the assembly pulley, be equipped with the second the control unit on the fork truck body, the control end of second the control unit and fuel feeding unit is connected for the controlled fuel feeding of fuel feeding unit lets the hydro-cylinder receive and release the chain and drive the second elevating platform and rise or descend.

Furthermore, the lifting piece adopts the fork, fork and first supporting leg one-to-one, just the cavity sets up respectively in the fork bottom that corresponds, the fork tip still is established the cover and is equipped with flexible fork, makes flexible fork moves along the axis of fork.

Further, first elevating system includes first guide rail frame, lead screw, first elevating platform and motor, first guide rail frame is connected with supporting running gear, first elevating platform sets up along first guide rail frame in vertical direction activity, the lead screw pass first elevating platform and with first elevating platform screw-thread fit, first elevating platform and fork truck body) are connected, the rotation axis connection of lead screw and motor, the control end and the first the control unit of motor are connected for the controlled lead screw that rotates of motor drives first elevating platform and rises or descend first guide rail frame relatively.

Further, it includes crossbeam, sleeve pipe and second supporting leg to support running gear, the crossbeam sets up in first elevating system's bottom, the sleeve pipe sets up in the both ends of crossbeam, second supporting leg both ends are equipped with the truckle respectively, just the outside of second supporting leg is located to the sleeve pipe cover, makes the second supporting leg is followed sheathed tube axial activity.

Further, be equipped with auxiliary supporting leg on the fork truck body, auxiliary supporting leg demountable installation is in the rear portion or the side of fork truck body.

Further, the auxiliary supporting leg includes the bracing piece and sets up in the gyro wheel of bracing piece tip, the bracing piece is equipped with first socket for the other end of gyro wheel, the rear portion or the side of fork truck body are equipped with second socket and bolt, the bolt passes corresponding first socket and second socket in proper order.

Further, be equipped with the pull rod on the fork truck body, the bottom of fork truck body still is equipped with the universal wheel, the tip of first support leg is equipped with the gyro wheel, makes first elevating system contracts to the fork truck body and supports when running gear distance is minimum, it is unsettled to support running gear.

Furthermore, the side of fork truck body is equipped with the toolbox.

Compared with the prior art, the utility model has the advantages that:

the forklift is provided with the independent first lifting mechanism for lifting the forklift body, the forklift body can be lifted to a target height, the supporting walking mechanism is arranged, the forklift body can be moved to a target position such as a truck board of a truck by the supporting walking mechanism after being lifted, finally, the first supporting leg is arranged on the forklift body, the first supporting leg supports the forklift body at the target position, the first lifting mechanism is controlled to descend, and the supporting walking mechanism is retracted due to the fact that the position of the forklift body is fixed, so that the truck-mounted carrying of the forklift is realized.

Drawings

Fig. 1 is a schematic view of a retraction state according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a raised state according to an embodiment of the utility model.

Fig. 3 is a loading schematic diagram of the embodiment of the utility model.

Fig. 4 is a rear perspective view of a retracted state of an embodiment of the present invention.

Fig. 5 is a front perspective view of a retracted state of an embodiment of the present invention.

FIG. 6 is a rear perspective view of an elevated state of an embodiment of the present invention.

FIG. 7 is a front perspective view of an elevated state of an embodiment of the present invention.

Illustration of the drawings: 1-a forklift body, 2-a first lifting mechanism, 3-a supporting and running mechanism, 11-a first supporting leg, 12-a second lifting mechanism, 13-a lifting part, 14-a telescopic fork, 15-an auxiliary supporting leg, 16-a pull rod, 17-a universal wheel, 18-a tool box, 21-a first guide rail frame, 22-a screw rod, 31-a cross beam, 32-a sleeve, 33-a second supporting leg, 121-a second guide rail frame, 122-a second lifting platform, 151-a supporting rod, 152-a roller, 331-a caster and 101-a first control unit.

Detailed Description

The utility model is further described below with reference to the drawings and specific preferred embodiments of the description, without thereby limiting the scope of protection of the utility model.

As shown in fig. 1 to 7, the present embodiment provides a truck-mounted self-elevating forklift, which includes a forklift body 1, a first elevating mechanism 2, a supporting traveling mechanism 3, and a first control unit 101, wherein the forklift body 1 is connected to the supporting traveling mechanism 3 through the first elevating mechanism 2, the forklift body 1 is further provided with a first supporting leg 11, the first control unit 101 is connected to a control end of the first elevating mechanism 2, and by this structure, as shown in fig. 1 and 2, the first elevating mechanism 2 is controlled to extend or retract to adjust a distance between the forklift body 1 and the supporting traveling mechanism 3, so that the truck-mounted self-elevating forklift of the present embodiment is carried on a truck.

Specifically, as shown in fig. 3, a to B control the first lifting mechanism 2 to extend to raise the forklift body 1 to a target height by operating the first control unit 101, B to C control the forklift body 1 to move to a target position, i.e., a cargo container of a truck, by supporting the forklift body 1 on a floor of the cargo container by the first supporting leg 11, and C to D control the first lifting mechanism 2 to retract by operating the first control unit 101, since the forklift body 1 is supported by the first supporting leg 11, the position of the forklift body 1 is kept unchanged and the supporting traveling mechanism 3 is retracted, i.e., the first lifting mechanism 2 is controlled to retract the supporting traveling mechanism 3 to a floor position of the truck, and at this time, a process of self-lifting on the forklift truck is completed.

As shown in fig. 3, when the truck-mounted self-elevating forklift needs to be taken off from the truck, the reverse process is performed, the first control unit 101 is operated to control the first elevating mechanism 2 to extend, the supporting traveling mechanism 3 is extended to the ground, the forklift body 1 is moved away from the truck through the supporting traveling mechanism 3, and the first control unit 101 is operated to control the first elevating mechanism 2 to retract, so that the forklift body 1 is lowered to the ground.

As shown in fig. 4, in this embodiment, the forklift body 1 is provided with a second lifting mechanism 12 and a lifting member 13 mounted on the second lifting mechanism 12, so as to load and unload the goods, and the first supporting leg 11 is disposed at the bottom of the second lifting mechanism 12, and the lifting member 13 is provided with a cavity for accommodating the corresponding first supporting leg 11, so that the corresponding first supporting leg 11 is located in the cavity when the lifting member 13 is lowered to the bottom of the second lifting mechanism 12, thereby preventing the lifting member 13 or the first supporting leg 11 from being damaged due to collision with the first supporting leg 11 when the lifting member 13 is lowered to the lowest position.

As shown in fig. 4, the first support legs 11 in this embodiment are long-strip-shaped structures, and the number of the first support legs 11 is two, and the two first support legs 11 are arranged in parallel at the left and right sides of the bottom of the second lifting mechanism 12, so that the first support legs 11 are stressed uniformly when supporting the forklift body 1.

In this embodiment, the lifting member 13 adopts the fork, the fork in this embodiment is also two, and with first supporting leg 11 one-to-one, every fork bottom all is equipped with a cavity, thereby every first supporting leg 11 is located the corresponding cavity when the fork descends to the lowest position, as shown in fig. 4, the fork tip still is equipped with flexible fork 14, the outside of fork is located to flexible fork 14 cover, make flexible fork 14 move along the axis of fork, thereby can adapt to the not unidimensional goods, can stretch flexible fork 14 from the fork that corresponds to the big size goods promptly, and can push back flexible fork 14 to the small size goods.

As shown in fig. 4 to 6, the supporting and traveling mechanism 3 in this embodiment includes a cross beam 31, two sleeves 32 and a second supporting leg 33, the cross beam 31 is disposed at the bottom of the first lifting mechanism 2, the two sleeves 32 are disposed at two sides of the forklift body 1 respectively and connected via the cross beam 31, the second supporting leg 33 is a strip-shaped structure, casters 331 are disposed at two ends of the second supporting leg, and the sleeves 32 are sleeved outside the second supporting leg 33, so that the second supporting leg 33 moves along the axial direction of the sleeves 32, and the second supporting leg 33 can be pulled and pulled to a direction away from the truck in the process of getting on or off the truck, thereby preventing collision or extrusion with the carriage of the truck.

As shown in fig. 5, in the present embodiment, for convenience of operation, a mount is provided on the cross beam 31, and the first control unit 101 is mounted on the mount.

As shown in fig. 4 to 7, in order to ensure that the forklift body 1 is stable during loading and unloading of the truck and will not fall off due to unstable center of gravity, the forklift body 1 of the present embodiment is provided with the auxiliary supporting leg 15, the auxiliary supporting leg 15 is detachably mounted at the rear or side of the forklift body 1, the specific auxiliary supporting leg 15 comprises a supporting rod 151 and a roller 152, the roller 152 is disposed at one end of the supporting rod 151, the other end of the supporting rod 151 opposite to the roller 152 is provided with a pair of first sockets, and the rear part or the side of the forklift body 1 is provided with a pair of second sockets and a pair of plugs, as shown in figure 3, when loading and unloading a truck, one end of a roller 152 of a support rod 151 is installed at the rear part of the truck body 1 in a downward direction, in other cases, one end of the roller 152 of the support rod 151 faces upward and is mounted on the side surface of the forklift body 1 in such a manner that each plug pin sequentially passes through the corresponding first socket and second socket.

As shown in fig. 5, a pull rod 16 is arranged on the forklift body 1 in the embodiment, a universal wheel 17 is further arranged at the bottom of the forklift body, a roller is arranged at the end of the first supporting leg 11, and meanwhile, when the first lifting mechanism 2 contracts to enable the forklift body 1 and the supporting travelling mechanism 3 to be shortest in distance, the universal wheel 17 and the roller are in contact with the ground and support the travelling mechanism 3 to be suspended, so that the supporting travelling mechanism 3 does not work under the condition that the forklift is not required to get on or off, the second supporting leg 33 is prevented from being jammed and unable to move due to the fact that dust, soil and the like enter a gap between the second supporting leg 33 and the sleeve 32, and the supporting travelling mechanism 3 is guaranteed to have a longer service life.

As shown in fig. 5, the side surface of the forklift body 1 of the present embodiment is provided with a tool box 18 for placing tools so as to facilitate simple work such as installation or debugging after transporting goods to a specified place with the truck-mounted self-elevating forklift during use.

In this embodiment, according to the actual conditions, considering that the weight of the forklift body 1 is fixed, the first lifting mechanism 2 adopts a screw rod lifting mechanism, the weight of the goods is not fixed, a variable interval exists, and the second lifting mechanism 12 adopts a chain oil cylinder lifting mechanism to adapt to the goods with different weights.

As shown in fig. 6 and 7, in this embodiment, the screw rod lifting mechanism includes a first guide rail frame 21, a screw rod 22, a first lifting platform (not shown in the figures) and a motor (not shown in the figures), the first guide rail frame 21 is connected with the supporting and traveling mechanism 3, the first lifting platform is movably disposed along the first guide rail frame 21 in the vertical direction, the screw rod 22 passes through the first lifting platform and is in threaded fit with the first lifting platform, the first lifting platform is connected with the forklift body 1, the screw rod 22 is connected with a rotating shaft of the motor, a control end of the motor is connected with a first control unit, so that the motor is controlled to rotate the screw rod 22 to drive the first lifting platform to ascend or descend relative to the first guide rail frame 21, thereby the forklift body 1 and the supporting and traveling mechanism 3 are far away from or close to each other, and when the forklift body 1 is closest to the supporting and traveling mechanism 3, the motor is controlled to rotate the screw rod 22 to drive the first lifting platform to ascend relative to the first guide rail frame 21, the supporting travelling mechanism 3 is suspended, so that the forklift body 1 is immobile and the supporting travelling mechanism 3 descends, and after the supporting travelling mechanism 3 contacts the ground, if the forklift body 1 and the supporting travelling mechanism 3 continue to be far away, the forklift body 1 starts to ascend; if the distance between the forklift body 1 and the supporting travelling mechanism 3 is far, namely the forklift body 1 is lifted at the moment, the motor is controlled to rotate the lead screw 22 to drive the first lifting platform to descend relative to the first guide rail frame 21, the forklift body 1 starts to descend, and after the forklift body 1 contacts the ground, if the forklift body 1 and the supporting travelling mechanism 3 continue to be close to each other, the forklift body 1 is not moved and the supporting travelling mechanism 3 ascends.

As shown in fig. 6, in this embodiment, the chain cylinder lifting mechanism includes a second rail frame 121, a second lifting platform 122, a pulley block (not shown), a chain (not shown), a cylinder (not shown), and an oil supply unit (not shown), the first support leg 11 is disposed at the bottom of the second rail frame 121, the lifting member 13 is connected to the second lifting platform 122, the second lifting platform 122 is movably disposed along the second rail frame 121 in a vertical direction, a movable end of the cylinder is connected to the second lifting platform 122 via the chain, an oil receiving end of the cylinder is connected to the oil supply unit, the pulley block is disposed between the cylinder and the second lifting platform 122, and the chain passes through the pulley block, meanwhile, a second control unit (not shown) is arranged on the forklift body 1 and is connected with the control end of the oil supply unit, so that the oil supply unit is controlled to supply oil, and the oil cylinder retracts and retracts the chain to drive the second lifting platform 122 to ascend or descend.

In the chain oil cylinder lifting mechanism, the pulley block is adopted, so that the second lifting platform 122 has a higher bearing upper limit, and the oil cylinder can be reset by the weight of goods in the descending process of the second lifting platform 122 so as to realize slow or uniform descending, thereby saving energy consumption and simplifying the control process.

The foregoing is considered as illustrative of the preferred embodiments of the utility model and is not to be construed as limiting the utility model in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. The utility model provides a lorry-mounted self-elevating forklift, its characterized in that, includes fork truck body (1), first elevating system (2), supports running gear (3) and first the control unit (101), fork truck body (1) is connected through first elevating system (2) and support running gear (3), be equipped with first support leg (11) on fork truck body (1), the control end of first the control unit (101) and first elevating system (2) is connected, makes first elevating system (2) are controlled to be extended or contract to adjustment fork truck body (1) and the distance of supporting between running gear (3), it removes to support running gear (3) fork truck body (1) to the target location.

2. The vehicle-mounted lifting forklift truck according to claim 1, wherein the forklift truck body (1) is provided with a second lifting mechanism (12) and a lifting piece (13) mounted on the second lifting mechanism (12), the first supporting leg (11) is arranged at the bottom of the second lifting mechanism (12), and the lifting piece (13) is provided with a cavity for accommodating the first supporting leg (11), so that the corresponding first supporting leg (11) is located in the cavity when the lifting piece (13) is lowered to the bottom of the second lifting mechanism (12).

3. The truck-mounted self-elevating forklift truck according to claim 2, wherein the second elevating mechanism (12) comprises a second guide rail frame (121), a second elevating platform (122), a pulley block, a chain, a cylinder and an oil supply unit, the first support leg (11) is disposed at the bottom of the second guide rail frame (121), the elevating member (13) is connected to the second elevating platform (122), the second elevating platform (122) is movably disposed along the second guide rail frame (121) in a vertical direction, the movable end of the cylinder is connected to the second elevating platform (122) via the chain, the oil receiving end of the cylinder is connected to the oil supply unit, the pulley block is disposed between the cylinder and the second elevating platform (122), the chain passes through the pulley block, the forklift truck body (1) is provided with a second control unit, the second control unit is connected to the control end of the oil supply unit, so that the oil supply unit is controlled to supply oil, and the oil cylinder receives and releases the chain to drive the second lifting platform (122) to ascend or descend relative to the second guide rail frame (121).

4. The truck-mounted self-elevating forklift as claimed in claim 2, wherein the elevating member (13) is a fork, the fork and the first supporting leg (11) are in one-to-one correspondence, the cavities are respectively arranged at the bottoms of the corresponding forks, and the ends of the forks are further provided with telescopic forks (14) in a sleeved manner, so that the telescopic forks (14) move along the axes of the forks.

5. The truck-mounted self-elevating forklift truck as claimed in claim 1, wherein the first elevating mechanism (2) comprises a first guide rail frame (21), a screw rod (22), a first elevating platform and a motor, the first guide rail frame (21) is connected with the supporting running mechanism (3), the first elevating platform is movably arranged in the vertical direction along the first guide rail frame (21), the screw rod passes through the first elevating platform and is in threaded fit with the first elevating platform, the first elevating platform is connected with the forklift truck body (1), the screw rod (22) is connected with the rotating shaft of the motor, the control end of the motor is connected with the first control unit, so that the motor is controlled to rotate the screw rod (22) to drive the first elevating platform to ascend or descend relative to the first guide rail frame (21).

6. The vehicle-mounted forklift according to claim 1, wherein the supporting and traveling mechanism (3) comprises a cross beam (31), two sleeves (32) and a second supporting leg (33), the cross beam (31) is disposed at the bottom of the first lifting mechanism (2), the two sleeves (32) are disposed at two sides of the forklift body (1), the sleeves (32) are connected with two ends of the cross beam (31), two ends of the second supporting leg (33) are provided with casters (331), and the sleeves (32) are sleeved outside the second supporting leg (33), so that the second supporting leg (33) moves along the axial direction of the sleeves (32).

7. The truck-mounted self-elevating forklift as recited in claim 1, wherein the forklift body (1) is provided with auxiliary supporting legs (15), and the auxiliary supporting legs (15) are detachably mounted on the rear or side of the forklift body (1).

8. The truck-mounted self-elevating forklift as claimed in claim 7, wherein the auxiliary supporting leg (15) comprises a supporting rod (151) and a roller (152) arranged at the end of the supporting rod (151), a first socket is arranged at the other end of the supporting rod (151) opposite to the roller (152), a second socket and a plug pin are arranged at the rear part or the side surface of the forklift body (1), and the plug pin sequentially penetrates through the corresponding first socket and the second socket.

9. The vehicle-mounted self-elevating forklift truck as claimed in claim 1, wherein a pull rod (16) is arranged on the forklift truck body (1), universal wheels (17) are further arranged at the bottom of the forklift truck body, and rollers are arranged at the end of the first supporting leg (11), so that the supporting travelling mechanism (3) is suspended when the first elevating mechanism (2) is retracted to the shortest distance between the forklift truck body (1) and the supporting travelling mechanism (3).

10. An on-board lift truck according to claim 1, characterized in that the sides of the truck body (1) are also provided with a toolbox (18).