CN109879212B

CN109879212B - Forklift truck

Info

Publication number: CN109879212B
Application number: CN201910219067.7A
Authority: CN
Inventors: 黄坤
Original assignee: Guangdong Bozhilin Robot Co Ltd
Current assignee: Guangdong Bozhilin Robot Co Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-07-14
Anticipated expiration: 2039-03-21
Also published as: CN109879212A

Abstract

The invention provides a forklift, comprising: the vehicle body is provided with wheels; the fork frame is arranged on the vehicle body and can move along the horizontal direction of the vehicle body and the height direction of the vehicle body; the first driving piece is connected with the fork frame and used for driving the fork frame to move along the horizontal direction of the vehicle body and the height direction of the vehicle body; and the support piece can be installed on the vehicle body in an unfolding or folding mode, can extend out of the vehicle body from the goods taking and unloading side of the vehicle body when being unfolded, and is supported on the placement platform of the forklift. The forklift of the scheme comprises a forklift body, a fork frame, a first driving piece and a supporting piece, wherein the fork frame can move in the horizontal direction and the height direction of the forklift, so that the front position and the rear position of the fork frame and the height position of the fork frame can be adjusted according to actual needs, and unloading is convenient. And the support member can be extended out and supported on placing platforms such as the ground when the fork frame is used for taking or unloading goods so as to form a certain support for the forklift, so that the forklift can be prevented from inclining or overturning towards the goods taking or unloading side when the forklift is used for taking or unloading goods.

Description

Forklift truck

Technical Field

The invention relates to the field of engineering vehicles, in particular to a forklift.

Background

The forklift is widely used for loading, unloading, stacking and short-distance transportation operation of goods, plays a very important role in a logistics system of an enterprise, and is a masterforce force in material handling equipment. However, the fork of the existing forklift can only lift along the height direction of the forklift and cannot move along the horizontal direction of the forklift, such as the front-back direction of the forklift or the left-right direction of the forklift, so that the fork can only adjust the distance between the forklift and the pickup point or the discharge point by means of the movement of the forklift wheels when the forklift picks up and discharges goods, the distance between the forklift and the pickup point or the discharge point needs to be accurately mastered when the forklift stops, otherwise, the fork cannot pick up goods or the fork cannot discharge goods due to too close stopping or too far stopping of the forklift. In addition, the rotation of goods can not be realized in the horizontal plane when present fork truck transports goods, just can't place the goods along the front and back direction of automobile body like this when the length of goods is longer, and the phenomenon of overturning very easily appears when fork truck transports goods like this on the one hand, and on the other hand can lead to fork truck both sides space to occupy great.

Therefore, how to design a forklift capable of solving the above problems becomes a problem to be solved urgently.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

To this end, it is an object of the present invention to provide a forklift.

To achieve the above object, an embodiment of a first aspect of the present invention provides a forklift including: the vehicle body is provided with wheels; a fork mounted on the body to be movable in a horizontal direction of the body and in a height direction of the body; the first driving piece is connected with the fork frame and used for driving the fork frame to move along the horizontal direction of the vehicle body and the height direction of the vehicle body; the support piece can be installed on the forklift body in an unfolding or withdrawing mode, can stretch out of the forklift body from the goods taking and unloading side of the forklift body when being unfolded, and is supported on the placement platform of the forklift.

According to an embodiment of the present invention, there is provided a forklift including a body, forks, a first driving member and a support member, wherein the body may preferably be provided with wheels, such that the body can be moved forward and backward by the wheels, the forks are used for picking up goods, and the first driving member is mounted on the body and connected to the forks, so as to drive the forks to move in a horizontal direction of the forklift, such as a forward and backward direction of the forklift or a left and right direction of the forklift, and also drive the forks to move in a height direction of the forklift, i.e., up and down direction, so as to enable the forks to move in both the forward and backward direction of the forklift and to ascend and descend in the height direction of the forklift. When goods are taken or unloaded through the fork frame, the fork truck can be driven to an unloading point or the position close to the goods taking point, and then the front position and the rear position of the fork frame and the height position of the fork frame can be adjusted according to actual requirements, so that the fork frame can be adjusted to the optimal goods taking position or the optimal goods unloading position, and the fork frame can directly take goods with different heights and different distances at the optimal goods taking position or the optimal goods unloading position. When goods around the forklift are taken out and unloaded, the front and rear positions of the fork frame can be directly adjusted through the first driving piece without adjusting the distance between the forklift and the unloading point or the goods taking point back and forth, so that the distance between the forklift and the unloading point or the goods taking point is not required to be calculated too accurately when the forklift is parked, namely, the forklift is parked around the goods approximately, the requirement on the distance when the forklift is parked is reduced, the requirement on the control accuracy of parking of the forklift is reduced, and the phenomenon that the distance between the forklift and the unloading point or the goods taking point needs to be adjusted back and forth for multiple times due to the fact that the parking distance is not appropriate can be avoided. The support piece can be installed on the body in an unfolding or folding mode, when the support piece is unfolded, the support piece can stretch out of the body from the goods taking and unloading side of the body and supports the body on a placing platform of the forklift, so that when the fork frame stretches out and goods are taken, the support piece can be unfolded and supported on the placing platform of the forklift, for example, the ground, the body can be supported through the support piece, the situation that the fork frame inclines towards the goods taking direction of the body due to the fact that goods are too heavy after the goods are taken is prevented, namely the support piece is arranged to support the body when the fork frame takes the goods, the forklift can be kept balanced, and the forklift is prevented from inclining or overturning. Meanwhile, the supporting piece can be kept in a folded state during transportation, so that the occupation of the surrounding space can be reduced, and the operation in a narrow space is facilitated.

The forklift can take and unload goods from the front end of the body, at the moment, the supporting piece can be arranged close to the front end of the body to prevent the forklift from inclining forwards, and certainly, the forklift can also take and unload goods from the left side or the right side of the body, at the moment, the supporting piece can be correspondingly arranged on the left side or the right side of the body to prevent the forklift from inclining towards the left side or the right side, namely, the goods taking and unloading side of the body can be specifically the front side of the body or the right side of the body or the left side of the body in the application.

Wherein the wheels are preferably arranged as universal wheels, such that a full 360 ° revolution can be achieved by means of a universal wheel driven forklift. The fork frame and the vehicle body are preferably detachably connected directly or indirectly, so that the fork frame and the vehicle body can be independently maintained and replaced, and of course, the fork frame and the vehicle body can be arranged into two independent structures, so that the integral processing of the product is more convenient.

In addition, the forklift provided according to the above embodiment of the present invention further has the following additional technical features:

in the above technical solution, preferably, the horizontal direction of the vehicle body includes a front-rear direction of the vehicle body and a left-right direction of the vehicle body; the support member is capable of being extended or retracted in the front-rear direction of the vehicle body and is supportingly mounted in front of the vehicle body when the fork is capable of moving in the front-rear direction of the vehicle body, and the support member is capable of being extended or retracted in the left-right direction of the vehicle body and is supportingly mounted on a pickup side of the vehicle body when the fork is capable of moving in the left-right direction of the vehicle body.

In this technical scheme, the fork frame both can install on the automobile body along the fore-and-aft direction motion of automobile body to can realize getting of goods from the front end of fork truck through the back-and-forth movement of fork frame, at this moment, can be close to the front end setting of automobile body with support piece, and make support piece can stretch out and support the ground of installing in the fork truck front from the place ahead of automobile body, like this alright when the fork frame is got goods from the place ahead of fork truck, prevent that fork truck from leaning forward. Meanwhile, the fork is also movably mounted on the body in the left-right direction of the body so that the removal of the goods can be performed from the left or right side of the forklift. In this case, the support member may be provided near the left or right side of the body so as to be extended from the side of the body and supported on the ground at the side of the forklift, thereby preventing the forklift from being inclined to the left or right when the fork is picked up from one of the sides of the forklift.

In any one of the above technical solutions, preferably, the forklift further includes: the sliding piece is slidably arranged on the vehicle body, and the supporting piece is rotatably arranged on the sliding piece and can slide under the action of the sliding piece; the second driving piece is arranged on the vehicle body, is connected with the sliding piece and can drive the sliding piece to slide; the third driving piece is arranged on the sliding piece corresponding to the supporting piece and can drive the supporting piece to rotate; the support piece can extend out of the truck body from the goods taking and unloading side of the truck body under the action of the sliding piece and can be supported on the placing platform of the forklift under the action of the third driving piece.

In these solutions, the forklift further includes a sliding member, a second driving member, and a third driving member, wherein the second driving member is used to drive the sliding member to slide, and the sliding member is preferably slidably mounted on the body along the unfolding direction of the supporting member, so that the sliding member can drive the supporting member to slide along the fixed direction under the action of the second driving member, thereby implementing the extension or retraction of the supporting member. And the third driving piece is arranged on the sliding piece and can move along with the sliding piece, so that the third driving piece can drive the supporting piece to rotate on the sliding piece, when the supporting piece is required to support, the supporting piece can be rotated to face the placing platform through the third driving piece, namely the supporting piece is rotated to the ground, so that the supporting piece can be supported and arranged on the placing platforms such as the ground, and when the supporting piece is not required to support, the supporting piece can be rotated to the direction away from the placing platforms such as the ground through the rotating piece, so that the supporting piece can be separated from the placing platforms such as the ground. This technical scheme is when needs support piece support, can be earlier through the motion of second driving piece drive slider, thereby it stretches out to drive support piece, then accessible third driving piece drive support piece rotates, support piece is on place the platform such as ground, and when not needing to support, can drive support piece through the third driving piece earlier and rotate, so that can in time separate between place the platform such as support piece and ground, and preferentially, can rotate support piece to with the automobile body parallel and level, then alright drive slider backward through the second driving piece, thereby it is whole to retract in the automobile body to drive support piece, like this alright realize the expansion and the withdrawal of support piece, thereby alright when the goods is got to the crotch and is unloaded, prevent fork truck rollover.

In any one of the above technical solutions, preferably, the support member includes: a mounting portion mounted on the slider; one end of the supporting part is connected with the mounting part, and the other end of the supporting part and the mounting part are positioned at different height positions; wherein, the installation department with the supporting part is followed the horizontal direction of automobile body sets up, support piece is still including connecting the installation department with connecting portion between the supporting part, or the installation department is followed the horizontal direction of automobile body sets up, the supporting part is followed the direction of height setting of automobile body.

Among these technical scheme, support piece includes supporting part and installation department, and wherein the installation department is used for realizing the installation between support piece and the slider, and the one end that the installation department was kept away from to the supporting part specifically is used for contacting or separating with place the platform such as ground to make the supporting part can form the support to fork truck when dismantling the goods, and can be packed up when fork truck walks. And the third driving piece can be matched with the mounting part to realize rotation, and can also be matched with the supporting part to realize rotation. The installation department is prior horizontal installation on the automobile body simultaneously, but the supporting part both can the level set up, also can vertical setting, and when the vertical setting of supporting part, the end of accessible supporting part forms with place the platform such as ground and supports, and when the supporting part level set up, the accessible connecting portion realize being connected between installation department and the supporting part, and at this moment, the whole under bracing face of accessible supporting part comes to form with place the platform such as ground and supports.

Wherein, preferably, the supporting member may be arranged in a zigzag or 7-shaped or zigzag-like or 7-like shape.

In any one of the above technical solutions, preferably, a protrusion capable of contacting with the placing platform is provided on an end portion of one end of the supporting portion, which is far away from the mounting portion, or an inclined supporting surface capable of contacting with the placing platform is provided on one end of the supporting portion, which is far away from the mounting portion.

In these technical schemes, can set up a arch at the end of supporting part, can be like this when the place the platform such as ground is uneven, through protruding and place the platform contact such as ground to can ensure that the end of supporting part also can contact ground at first under the circumstances of ground unevenness. The height of the bulge can be preferably between 5mm and 40mm, so that the situation that other parts of the supporting part cannot be contacted with the placing platforms such as the ground and the like due to overhigh bulge can be prevented, and the situation that the bulge cannot be really contacted with the placing platforms such as the uneven ground and the like due to overlow bulge can be prevented. Meanwhile, in another scheme, the bulge is not needed, and one end of the supporting part contacting with the ground and other placing platforms is set to be of a structure with slight inclination, so that a certain angle is formed between the tail end of the supporting part and the ground and other placing platforms, and the tail end of the supporting part can be ensured to contact with the ground.

In any one of the above technical solutions, preferably, the forklift further includes: and the sensor is arranged between the supporting piece and the third driving piece and used for detecting the contact state between the supporting piece and the placing platform.

In these technical solutions, in order to detect whether the end of the supporting member has contacted the ground or not, a sensor, such as a force sensor, may be added at the connection position between the third driving member and the sliding member to detect the contact state, so that the force applied to the third driving member is transmitted to the sliding member through the force sensor. Specifically, for example, during the adjustment of the supporting member, if the force sensor detects that the force applied by the force sensor is increasing, indicating that the supporting member is in contact with the ground, the adjustment may be stopped. Of course, the angle of the support member with respect to the placement platform such as the ground may be detected by other sensors, such as an angle sensor, so that whether the end of the support member contacts the placement platform such as the ground may be determined by the angle detected by the angle sensor.

In addition, it is also possible to detect whether the end of the supporting member has contacted the ground or other placement platform by other means, which is not listed here.

In any one of the above technical solutions, preferably, the second driving member includes a first telescopic member, one end of the first telescopic member is rotatably connected to the vehicle body, and the other end of the first telescopic member is connected to the sliding member and can drive the sliding member to slide; or the second driving part comprises a first motor, a gear and a rack, the first motor and the gear are installed on the vehicle body, the rack is installed on the sliding part, and the gear can be meshed with the rack under the action of the first motor to drive the sliding part to slide.

In these technical schemes, the second driving piece can be first extensible member on the one hand, and the slip drive of slider is carried out to the flexible of accessible first extensible member like this, and on the other hand, the second driving piece also can be for the structure including first motor, gear and rack, and at this moment, can install first motor on the automobile body, install the gear on the motor shaft of first motor, install the rack on the slider, the gear alright with the rack toothing under the effect of motor like this to drive the gear and slide, the slider alright slide along with the slider under the effect of rack like this. Of course, in other solutions, the sliding driving of the sliding member by the motor may also be realized by the cooperation of the motor and other transmission structures, wherein the other transmission structures may be embodied as turbine scroll bars or other structures.

In any one of the above technical solutions, preferably, the first telescopic member is a hydraulic cylinder, an electric pushing cylinder or an air cylinder, and the second driving member further includes: the supporting seat is installed on the automobile body, and one end, far away from the sliding piece, of the first telescopic piece is rotatably connected with the supporting seat.

In these technical schemes, can set up hydraulic cylinder or electric push cylinder or cylinder with first extensible member, like this the flexible slider that drives of accessible hydraulic cylinder or electric push cylinder or cylinder slides. And at this moment, can set up a supporting seat in the one end that slider was kept away from to pneumatic cylinder or electric push cylinder or cylinder, the installation of pneumatic cylinder or electric push cylinder etc. is realized to the accessible supporting seat like this, simultaneously, the supporting seat can also be kept away from the one end pad that the slider was established to first extensible member such as pneumatic cylinder, electric push cylinder or cylinder higher, thereby can strengthen the scope that first extensible member can stretch out and draw back, improve the gliding distance of slider, just so can increase the range that support piece can expand, thereby make support piece can form the support to fork truck better.

In any one of the above technical solutions, preferably, the forklift further includes: and the guide rail is arranged on the vehicle body, and the sliding piece is arranged on the guide rail in a sliding way.

In the technical schemes, the forklift further comprises a guide rail, the sliding part is slidably mounted on the guide rail, and the guide rail is arranged, so that the sliding part can move along the guide rail, the movement of the sliding part can be guided through the guide rail, the sliding part can slide according to a preset route, the supporting part can be unfolded or folded according to the preset route, and the supporting part can support the forklift as required when goods are detached.

In any of the above technical solutions, preferably, the third driving member includes: a second motor mounted on the slider; the first transmission piece is connected with a motor shaft of the motor and can rotate under the action of the motor shaft; and the second transmission piece is arranged on the sliding piece, can be matched with the first transmission piece and can drive the supporting piece to rotate under the action of the first transmission piece.

In these solutions, the third driving component includes a second motor, a first driving component and a second driving component, the second motor is used for providing power, and the first driving component and the second driving component are used for transmitting the force of the second motor to the supporting component, where the first driving component may be a worm, and the second driving component may be a turbine, and of course, the structures of the first driving component and the second driving component may also be other structures, such as a gear set. The transmission piece can be specifically used for adjusting the rotating speed ratio between the motor and the supporting piece, so that the speed of the supporting piece can be controlled conveniently, and meanwhile, the relative installation position between the motor and the supporting piece can be adjusted through the transmission piece, so that the position of the supporting piece can be set according to actual needs without being arranged together with the motor. Of course, the function of the transmission member may be used for other purposes, not only for adjusting the rotation speed ratio and the relative installation position.

The first transmission piece is a worm or a rack, and the second transmission piece is a turbine.

In any one of the above technical solutions, preferably, when the supporting member is unfolded to the supporting state, an angle between one end of the supporting member, which can be in contact with the placing platform, and the vehicle body is less than 90 °.

In these technical schemes, when support piece expandes to the support state, the angle between the one end that support piece can contact with place the platform and the automobile body is less than 90, that is to say when support piece normally supports on place the platforms such as ground, support piece and place the platforms such as ground not yet completely perpendicular, specifically speaking, in above-mentioned scheme, when support piece expandes completely, the end distance between the arch on the support portion and the lower surface of automobile body should be slightly greater than the distance between the lower surface of automobile body and place the platforms such as ground, can guarantee that support piece's end can contact with ground all the time through the rotatory angle of regulation support piece when supporting like this to provide the power and the moment that prevent fork truck from leaning forward, ensure that the rear wheel can not the perk all the time.

In the above technical solution, preferably, the first driving member includes: a plurality of mounting pieces mounted on the vehicle body in parallel to each other in a height direction of the vehicle body, and one ends of the plurality of mounting pieces are rotatably connected to the vehicle body; the second telescopic piece is arranged on the vehicle body, is connected with the mounting pieces and can drive the mounting pieces to rotate; wherein the yoke is mounted on the other end of the plurality of mounts and is movable when the plurality of mounts rotate.

In these solutions, the first driving member comprises the second telescopic member and a plurality of mounting members located in a vertical plane, so that the fork can be supported and mounted on the plurality of mounting members, and this structure enables the fork to be movably mounted on the vehicle body through the plurality of mounting members on the one hand, and enables the plurality of mounting members to be integrally connected through the fork on the other hand, so that the plurality of mounting members can be more easily rotated synchronously when the mounting members are driven to move. And a plurality of mounting members rotatably mounted on the body in a vertical plane so that the driving movement of the fork can be performed by the rotation of the plurality of mounting members in the vertical plane to enable the up-and-down movement and the forward-and-backward movement of the fork, and the plurality of mounting members are preferably arranged in parallel with each other so that a smooth supporting surface can be formed by the plurality of mounting members to enable smooth support of the fork. Simultaneously, a plurality of installed parts are parallel to each other, also make the installed part can change when moving under the effect of second extensible member in step, alright ensure the stability of goods on the crotch like this, prevent that the goods from inclining or dropping. And the second extensible member is specifically used for realizing the rotation drive of a plurality of installed parts, like this when the centre of gravity or the height of the goods on the crotch need to be adjusted, alright drive a plurality of installed parts synchronous rotation through the second extensible member to alright realize the bulk movement of crotch and goods.

In any one of the above technical solutions, preferably, the plurality of mounting parts include a plurality of first mounting parts and a plurality of second mounting parts, the plurality of first mounting parts are parallel to each other and obliquely mounted on the first side of the vehicle body, and the plurality of second mounting parts are parallel to each other and obliquely mounted on the second side of the vehicle body; the second extensible member is including installing extensible member one and extensible member two on the automobile body, extensible member one with a plurality of first installed part is connected, is used for the drive a plurality of first installed part rotates, extensible member two with a plurality of the second installed part is connected, is used for the drive a plurality of the second installed part rotates.

In the technical schemes, a plurality of parallel and inclined first installation parts are arranged on a first side of a vehicle body, a plurality of parallel and inclined second installation parts are arranged on a second side of the vehicle body, so that a support platform can be formed above the vehicle body by the plurality of first installation parts and the plurality of second installation parts, two sides of a fork can be directly erected and installed on the support platform formed by the plurality of first installation parts and the plurality of second installation parts, so that the support and installation of the fork can be realized by the plurality of installation parts, the fork can be erected and installed on the plurality of installation parts by the structure, the position of the fork can be adjusted by directly moving the installation parts, the fork can be supported and installed above the vehicle body, the space above the vehicle body can be reasonably utilized, and a space is reserved for the installation of other parts on the vehicle body, moreover this kind of structure crotch only can receive the control of a plurality of installed parts, therefore make the crotch difficult dead by other spare parts card on the automobile body, and a plurality of first installed parts and a plurality of second installed part all rotate on the automobile body in the slope, just so can drive a plurality of first installed parts and a plurality of second installed part whole rotation under the effect of second extensible member like this to just can drive the up-and-down motion around the crotch. And the second extensible member is used for driving the installation part to move, and preferably, the first extensible member can be arranged on the first side of the vehicle body corresponding to the first installation parts, so that the first extensible member can drive the first installation parts, and meanwhile, the second extensible member can be arranged on the second side of the vehicle body corresponding to the second installation parts, so that the second installation parts can be driven by the second extensible member, and the first installation parts and the second installation parts can be driven independently respectively and can distribute driving force on two sides of the vehicle body, so that the driving force can be distributed more uniformly, and the stability of the second extensible member when the second extensible member drives the fork frame to move can be ensured. Of course, in another aspect, only one second telescopic member may be provided at the middle portion of the vehicle body, so that the driving of the plurality of first mounting members and the plurality of second mounting members may be simultaneously achieved by one second telescopic member, and this structure may eliminate the use of one driving device, thereby simplifying the structure of the product.

Wherein, the second extensible member here can specifically be for driving the installed part and carry out the pivoted extensible member, just so can realize the whole drive of a plurality of installed parts through the flexible of extensible member.

Preferably, the first mounting parts are equal in length and located at the same height position, and the second mounting parts are equal in length and located at the same height position, so that one ends of the mounting parts, far away from the vehicle body, can form a supporting plane parallel to the vehicle body, and the fork can be stably erected and mounted on the mounting parts.

In any of the above technical solutions, preferably, the first mounting part and the second mounting part are both telescopic parts or the first mounting part and the second mounting part are both non-telescopic parts.

In these technical scheme, can set first installed part and second installed part to the extensible member, like this alright realize the height position control of fork frame through the unified flexible of a plurality of installed parts, just so can utilize the height control and the front and back position control of a plurality of installed parts to realize the fork frame simultaneously, and then can simplify the structure of adjusting the subassembly. Furthermore, the first and second mounting members may also be non-telescopic members, such as a common bar construction, in which case the adjustment of the position of the fork may be achieved by rotation of only a plurality of mounting members.

Wherein, preferably, the first installation part and the second installation part are both hydraulic cylinders or electric push cylinders or air cylinders.

In these technical scheme, the installed part can be for the structure that can carry out automatic flexible such as pneumatic cylinder or electric push cylinder or cylinder, and the installed part can carry out automatic flexible this moment, and need not set up extra drive structure. And because the pneumatic cylinder can bear great thrust, consequently the installed part adopts the pneumatic cylinder can also strengthen the support dynamics of installed part to make the fork frame can carry heavier article. Meanwhile, as the space on the forklift is limited, the telescopic part can preferably adopt a multi-stage hydraulic cylinder.

Of course, the type of the telescopic piece is not limited to a hydraulic cylinder and an electric pushing cylinder or an air cylinder, and the specific structure can be set at will according to actual needs.

In any one of the above technical solutions, preferably, the forklift further includes: at least one stabilizer mounted parallel to each other between the plurality of first mounting members and the plurality of second mounting members.

In these technical scheme, can set up the stabilizer between a plurality of first installed parts and a plurality of second installed part, can make a plurality of first installed parts and a plurality of second installed part of automobile body both sides can interconnect and form a whole like this to make the installed part of automobile body both sides can restrain each other when motion separately, just so make the installed part of automobile body both sides can the simultaneous movement, thereby can ensure the stability of fork frame in the motion process, compensate the defect that the installed part of automobile body both sides can not be synchronous because of influences such as structure leads to.

In any of the above solutions, preferably, the fork comprises: the first mounting rods are supported and mounted on the first mounting pieces and are parallel to the vehicle body; the second mounting rods are supported and mounted on the second mounting pieces, are parallel to the first mounting rods and are parallel to the vehicle body; a first yoke mounted on the first mounting bar; a second yoke mounted on the second mounting bar.

In these technical scheme, the fork frame is including installing the first installation pole at a plurality of first installed parts and installing the second installation pole at a plurality of second installed parts, and first installation pole like this, a class parallel structure just can be formed to the first side of a plurality of first installed parts and automobile body, and second installation pole, a plurality of second installed parts and the second side of automobile body alright form another class parallel structure, like this alright drive the fork frame through two class parallel mechanism of automobile body both sides and carry out fore-and-aft movement and up-and-down motion. The first mounting rod of the structure can realize the connection of a plurality of first mounting parts, the second mounting rod can realize the connection between a plurality of second mounting parts, so that the fork frame can form a mechanism which can be interlocked with the plurality of mounting parts, namely, the plurality of mounting parts, the first mounting rod and the second mounting rod of the fork frame and the vehicle body can form two parallel mechanisms at two sides of the vehicle body, thereby realizing the up-and-down and front-and-back translation of the fork frame through the rotation of the parallel mechanisms at two sides, and the structure can realize the adjustment of the front-and-back position and the height position of the bracket through the mutual traction between the plurality of mounting parts and the two mounting rods, thereby on one hand, the whole structure of the product is simpler and better processed, thereby the cost can be reduced, on the other hand, the parallel mechanism formed by the mounting parts and the two mounting rods can ensure that the driving between the driving assembly and the fork frame, thereby being capable of reducing the failure rate of the product. The first fork rod and the second fork rod are respectively connected with the first mounting rod and the second mounting rod, so that goods can be taken and placed under the action of the first mounting rod and the second mounting rod, for example, the two fork rods can directly extend into the bottoms of the goods, then the fork frame can be lifted, the goods can be taken out, or the fork frame is lowered to achieve unloading, namely, the first fork rod and the second fork rod are specifically used for being in contact with the goods, and the goods can be taken and carried.

Preferably, the first fork rod and the second fork rod are L-shaped rods or L-like rods, and the structure can be connected with the mounting rod through the vertical edge of the L-shaped rod or L-like rod, and can be contacted with goods through the transverse edge of the L-shaped rod or L-like rod to carry out goods taking and carrying and the like.

In another solution, the fork can also be arranged in a structure comprising one mounting plate and two fork arms.

In any one of the above technical solutions, preferably, the forklift further includes: a swing device rotatably mounted on the vehicle body, the fork carriage capable of placing goods on the fork carriage onto the swing device.

Among these technical scheme, after the fork frame is got goods, the position of fork frame is adjusted to the accessible, so that the fork frame can place slewer with the goods on it, afterwards, rotatable slewer realizes the rotation of goods on the automobile body, so that can adjust the posture of placing of goods on the automobile body, for example when the length of goods is longer, can rotate the length direction of article to the horizontal direction along fork truck, and set up like this and can reduce the occupation to fork truck both sides space when fork truck transports, ensure the stability of fork truck transportation, reduce the possibility of overturning, just so can avoid the goods to place unreasonable and lead to the emergence of the turnover condition on fork truck.

The reloading device here may specifically comprise a turntable that can rotate in the horizontal direction. Simultaneously, still can set up elevating system to set up slewer on elevating system, just so make the repacking device can also go up and down when the pivoted, like this through slewer alright realize simultaneously placing the gesture of goods and the altitude mixture control of goods.

Additional aspects and advantages in accordance with the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic illustration of a forklift truck according to an embodiment of the present invention with the support members deployed;

fig. 2 is a partial structural schematic view of a forklift truck according to an embodiment of the present invention;

FIG. 3 is a schematic illustration of the structure of the truck provided by the embodiments of the present invention when the support members are stowed;

fig. 4 is an exploded schematic view of a forklift according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

the main body, the wheel 12, the fork 2, the first mounting rod 22, the second mounting rod 24, the first fork 26, the second fork 28, the first driving piece 3, the mounting piece 32, the first mounting piece 322, the second mounting piece 324, the second telescopic piece 34, the first telescopic piece 342, the second telescopic piece 344, the supporting seat 36, the supporting piece 4, the mounting piece 42, the supporting piece 44, the bulge 442, the connecting piece 46, the sliding piece 5, the second driving piece 6, the third driving piece 7, the second motor 72, the vortex rod 74, the turbine 76, the guide rail 8 and the slewing device 9.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

A forklift provided according to an embodiment of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1 to 4, an embodiment of a first aspect of the present invention provides a forklift including: a vehicle body 1, a fork 2, a first driving member 3 and a support member 4, wherein the vehicle body 1 is provided with wheels 12; the fork 2 is mounted on the vehicle body 1 and can move along the horizontal direction of the vehicle body 1 and the height direction of the vehicle body 1; the first driving piece 3 is connected with the fork frame 2 and is used for driving the fork frame 2 to move along the horizontal direction of the vehicle body 1 and the height direction of the vehicle body 1; the support member 4 is mounted on the vehicle body 1 so as to be extendable and retractable, and the support member 4 is extendable from the pickup side of the vehicle body 1 to project from the vehicle body 1 when extended and supported on a placement platform of a forklift.

According to the embodiment of the invention, the forklift comprises a body 1, a fork frame 2, a first driving part 3 and a supporting part 4, wherein wheels 12 can be preferably arranged on the body 1, so that the front and back movement of the body 1 can be realized through the wheels 12, the fork frame 2 is used for realizing the taking of goods, the first driving part 3 is arranged on the body 1 and connected with the fork frame 2, the fork frame 2 can be driven to move along the horizontal direction of the forklift, such as the front and back direction of the forklift or the left and right direction of the forklift, and the fork frame 2 can be driven by the first driving part 3 to move along the height direction of the forklift, namely the up and down direction, so that the fork frame 2 can move along the front and back direction of the forklift and can lift along the height direction of the forklift. When goods are taken or unloaded through the fork frame 2, the fork truck can be driven to an unloading point or the vicinity of the goods taking point, and then the front and back positions and the height position of the fork frame 2 can be adjusted according to actual requirements, so that the fork frame 2 can be adjusted to the optimal goods taking position or the unloading position, and the fork frame 2 can directly take goods with different heights and different distances at the optimal goods taking position or the unloading position. When goods around the forklift are taken out and unloaded, the front and rear positions of the fork frame 2 can be directly adjusted through the first driving piece 3 without adjusting the distance between the forklift and the unloading point or the goods taking point back and forth, so that the distance between the forklift and the unloading point or the goods taking point is not required to be calculated too accurately when the forklift is parked, namely, the forklift is parked around the goods approximately, the requirement on the distance of the forklift when the forklift is parked is reduced, the requirement on the control accuracy of parking of the forklift is reduced, and the phenomenon that the distance between the forklift and the unloading point or the goods taking point needs to be adjusted back and forth for multiple times due to the fact that the parking distance is inappropriate can be avoided. The support member 4 can be installed on the vehicle body 1 in an unfolding or folding mode, when the support member 4 is unfolded, the support member 4 can extend out of the vehicle body 1 from the goods taking and unloading side of the vehicle body 1 and is supported on a placing platform of a forklift, so that when the fork frame 2 extends out and goods are taken, the support member 4 can be unfolded and supported on the placing platform of the forklift, such as the ground, the vehicle body 1 can be supported through the support member 4, the situation that the fork frame 2 inclines towards the goods taking direction of the vehicle body 1 due to the fact that goods are too heavy after the goods are taken is prevented, namely the support member 4 can be arranged to support the vehicle body 1 when the fork frame 2 takes the goods, and therefore the forklift can be prevented from inclining or overturning.

Here, the forklift can take and unload goods from the front end of the vehicle body 1, at this time, the support member 4 can be arranged near the front end of the vehicle body 1 to prevent the forklift from tilting forward, and of course, the forklift can also take and unload goods from the left side or the right side of the vehicle body 1, at this time, the support member 4 can be correspondingly arranged on the left side or the right side of the vehicle body 1 to prevent the forklift from tilting to the left side or the right side, that is, the taking and unloading side of the vehicle body 1 in the present application can be specifically the front side of the vehicle body 1 or the right side of the vehicle body 1 or the left side of the.

In the above-described embodiment, preferably, the horizontal direction of the vehicle body 1 includes the front-rear direction of the vehicle body 1 and the left-right direction of the vehicle body 1; when the fork 2 can move in the front-rear direction of the vehicle body 1, as shown in fig. 1 and 3, the support member 4 can be deployed or retracted in the front-rear direction of the vehicle body 1 and is supportingly mounted in front of the vehicle body 1, and when the fork 2 can move in the left-right direction of the vehicle body 1, the support member 4 can be deployed or retracted in the left-right direction of the vehicle body 1 and is supportingly mounted on the pickup side of the vehicle body 1.

In this embodiment, the fork 2 is movably mounted on the body 1 in the front-rear direction of the body 1 so as to enable the removal of goods from the front end of the forklift by the back-and-forth movement of the fork 2, and at this time, the support member 4 is disposed near the front end of the body 1 so that the support member 4 can protrude from the front of the body 1 and support the ground mounted in front of the forklift, thus preventing the forklift from tilting forward when the fork 2 is removed from the front of the forklift. Meanwhile, the fork 2 is also movably mounted on the body 1 in the left-right direction of the body 1 so as to enable the removal of goods from the left or right side of the forklift. In this case, the support member 4 may be provided near the left or right side of the body 1, and the support member 4 may be extended from the side of the body 1 to be supported and mounted on the ground at the side of the forklift, so that the forklift is prevented from being inclined to the left or right when the fork 2 is picked up from one of the sides of the forklift.

In any of the above embodiments, preferably, as shown in fig. 1 to 4, the forklift further includes: a slider 5 slidably mounted on the vehicle body 1, the stay 4 being rotatably mounted on the slider 5 and being slidable by the slider 5; a second driving member 6 mounted on the vehicle body 1, connected to the slider 5, and capable of driving the slider 5 to slide; a third driving member 7, which is mounted on the sliding member 5 corresponding to the supporting member 4 and can drive the supporting member 4 to rotate; wherein the support 4 can be extended out of the body 1 from the loading and unloading side of the body 1 by the slide 5 and can be supported on the platform of the forklift by the third drive 7.

In these embodiments, the forklift further comprises a sliding member 5, a second driving member 6 and a third driving member 7, wherein the second driving member 6 is used for driving the sliding member 5 to slide, and the sliding member 5 is preferably slidably mounted on the body 1 along the unfolding direction of the support member 4, so that the sliding member 5 can drive the support member 4 to slide along the fixed direction under the action of the second driving member 6, and further the support member 4 can be extended or retracted. The third driving member 7 is mounted on the sliding member 5 and can move along with the sliding member 5, so that the third driving member 7 can drive the supporting member 4 to rotate on the sliding member 5, and thus when the supporting member 4 is required to support, the supporting member 4 can be rotated to face the placing platform through the third driving member 7, that is, the supporting member 4 can be rotated towards the ground, so that the supporting member 4 can be supported and mounted on the placing platform such as the ground, and when the supporting member 4 is not required to support, the supporting member 4 can be rotated towards the direction away from the placing platform such as the ground through the rotating member, so that the supporting member 4 can be separated from the placing platform such as the ground. This embodiment can be earlier when support 4 supports, can drive the motion through second driving piece 6 drive slider 5 to drive support 4 and stretch out, then accessible third driving piece 7 drive support 4 rotates, until support 4 supports on place the platform such as ground, and when not needing to support, can drive support 4 through third driving piece 7 earlier and rotate, so that can in time separate between place the platform such as support 4 and ground, and preferentially, can rotate support 4 to the parallel and level with automobile body 1, then alright drive slider backward through second driving piece 6, thereby drive support 4 whole withdrawal in automobile body 1, alright realize the expansion and the withdrawal of support 4 like this, thereby alright when fork frame 2 gets goods, prevent fork truck rollover.

In any of the above embodiments, preferably, as shown in fig. 2, the support 4 includes: a mounting portion 42 mounted on the slider 5; a support part 44, one end of the support part 44 is connected with the mounting part 42, and the other end of the support part 44 is positioned at a different height position from the mounting part 42; wherein, the mounting portion 42 and the supporting portion 44 are arranged along the horizontal direction of the vehicle body 1, and the supporting member 4 further includes a connecting portion 46 connected between the mounting portion 42 and the supporting portion 44, or the mounting portion 42 is arranged along the horizontal direction of the vehicle body 1, and the supporting portion 44 is arranged along the height direction of the vehicle body 1.

In these embodiments, the supporting member 4 includes a supporting portion 44 and a mounting portion 42, where the mounting portion 42 is used to implement mounting between the supporting member 4 and the sliding member 5, and an end of the supporting portion 44 away from the mounting portion 42 is specifically used to contact or separate with a placement platform such as the ground, so that the supporting portion 44 can support the forklift when the cargo is removed, and can be retracted when the forklift is walking. And the third driving member 7 can be rotated by being engaged with either the mounting portion 42 or the supporting portion 44. Meanwhile, the installation portion 42 is preferably horizontally installed on the vehicle body 1, while the support portion 44 may be horizontally or vertically disposed, and when the support portion 44 is vertically disposed, the support may be formed by the end of the support portion 44 and a placement platform such as the ground, and when the support portion 44 is horizontally disposed, the connection between the installation portion 42 and the support portion 44 may be achieved by the connection portion 46, and at this time, the support may be formed by the entire lower support surface of the support portion 44 and the placement platform such as the ground.

Wherein, preferably, as shown in fig. 2, the supporting member 4 may be provided in a zigzag or 7-shaped or zigzag-like or 7-like shape.

In any of the above embodiments, it is preferable that, as shown in fig. 2, a protrusion 442 capable of contacting with the placing platform is provided on an end of the supporting portion 44 away from the mounting portion 42, or an inclined supporting surface (not shown in the figure) capable of contacting with the placing platform is provided on an end of the supporting portion 44 away from the mounting portion 42.

In these embodiments, a protrusion 442 may be provided at the end of the support 44, so that the protrusion 442 can contact with a platform such as a ground when the platform such as a ground is uneven, so as to ensure that the end of the support 44 can contact the ground first even if the ground is uneven. The height of the protrusion 442 may be preferably between 5mm and 40mm, so that it is prevented that the protrusion 442 is too high and other parts of the support portion 44 cannot contact with the placement platform such as the ground, and it is also prevented that the protrusion 442 is too low and the protrusion 442 cannot actually contact with the placement platform such as the uneven ground. Meanwhile, in another embodiment, the protrusion 442 may not be provided, and one end of the support 44 contacting the ground or other platform may be provided with a slight slope, so that a certain angle may be formed between the end of the support 44 and the ground or other platform, and the end of the support 4 may also be ensured to contact the ground.

In any of the above embodiments, preferably, the forklift further includes: and a sensor installed between the support 4 and the third driving member 7 for detecting a contact state between the support 4 and the placing platform.

In these embodiments, in order to detect whether the end of the supporting member 4 contacts the ground or other platform, a sensor, such as a force sensor, may be added at the connection between the third driving member 7 and the sliding member 5 to detect the contact state, so that the force applied to the third driving member 7 is transmitted to the sliding member 5 through the force sensor. Specifically, for example, during the adjustment of the support member 4, if the force sensor is detected to have an increasing force, indicating that the support member 4 has contacted the ground, the adjustment may be stopped. Of course, the angle of the support 4 with respect to the placement platform such as the ground may be detected by other sensors, such as an angle sensor, so that whether the end of the support 4 contacts the placement platform such as the ground may be determined by the angle detected by the angle sensor.

In addition, it is also possible to detect whether the end of the supporting member 4 has contacted the ground or other placing platform by other means, which is not listed here.

In any of the above embodiments, preferably, as shown in fig. 1 to 4, the second driving member 6 includes a first telescopic member, one end of which is rotatably connected to the vehicle body 1, and the other end of which is connected to the sliding member 5, and is capable of driving the sliding member 5 to slide. Or (not shown in the figures of the embodiment) the second driving part 6 comprises a first motor, a gear and a rack, the first motor and the gear are mounted on the vehicle body 1, the rack is mounted on the sliding part 5, and the gear can be meshed with the rack under the action of the first motor to drive the sliding part 5 to slide.

In these embodiments, the second driving member 6 may be a first telescopic member, so that the sliding of the sliding member 5 can be driven by the telescopic movement of the first telescopic member, and on the other hand, the second driving member 6 may also be a structure including a first motor, a gear and a rack, in which case, the first motor may be mounted on the vehicle body 1, the gear may be mounted on a motor shaft of the first motor, and the rack may be mounted on the sliding member 5, so that the gear may be engaged with the rack under the action of the motor to drive the gear to slide, so that the sliding member 5 may slide along with the sliding member 5 under the action of the rack. Of course, in other solutions, the sliding driving of the sliding member 5 by the motor can also be realized by the cooperation of the motor and other transmission structures.

In any of the above embodiments, preferably, as shown in fig. 1 to 4, the first telescopic member is a hydraulic cylinder or an electric pushing cylinder or an air cylinder, and the second driving member 6 further includes: and a support base 36 mounted on the vehicle body 1, wherein one end of the first telescopic member far away from the sliding member 5 is rotatably connected with the support base 36.

In these embodiments, the first telescopic member may be configured as a hydraulic cylinder or an electric pushing cylinder or an air cylinder, so that the sliding member 5 can be driven to slide by the extension and contraction of the hydraulic cylinder or the electric pushing cylinder. And at this moment, can set up a supporting seat 36 in the one end that slider 5 was kept away from to pneumatic cylinder or electric push cylinder or cylinder, the installation of pneumatic cylinder or electric push cylinder or cylinder etc. is realized like this to accessible supporting seat 36, simultaneously, supporting seat 36 can also be with the pneumatic cylinder, the one end pad that slider 5 was kept away from to first extensible member such as electric push cylinder or cylinder is established higher, thereby can strengthen the scope that first extensible member can stretch out and draw back, improve slider 5 can gliding distance, just so can increase the range that support piece 4 can expand, thereby make support piece 4 can form the support to fork truck better.

In any of the above embodiments, preferably, as shown in fig. 1, 3 and 4, the forklift further includes: the guide rail 8 is attached to the vehicle body 1, and the slider 5 is slidably attached to the guide rail 8.

In these embodiments, the forklift further comprises a guide rail 8, and the slider 5 is slidably mounted on the guide rail 8 by providing the guide rail 8 such that the slider 5 can move along the guide rail 8, so that the movement of the slider 5 can be guided by the guide rail 8, so that the slider 5 can slide according to a predetermined route, so that the support member 4 can be deployed or retracted according to the predetermined route, so that the support member 4 can support the forklift as required when the cargo is removed.

In any of the above embodiments, preferably, as shown in fig. 1 to 4, the third driver 7 includes: a second motor 72 mounted on the slider 5; the first transmission piece is connected with a motor shaft of the motor and can rotate under the action of the motor shaft; and the second transmission piece is arranged on the sliding piece 5, can be matched with the first transmission piece, and can drive the support piece 4 to rotate under the action of the first transmission piece.

In these embodiments, the third driving member 7 includes a second motor 72, a first transmission member and a second transmission member, the second motor 72 is used for providing power, the first transmission member and the second transmission member are used for transmitting the force of the second motor 72 to the supporting member 4, the first transmission member may be a worm 74, and the second transmission member may be a worm wheel 76, although the first transmission member and the second transmission member may have other structures, such as a gear set. The transmission piece can be specifically used for adjusting the rotating speed ratio between the motor and the support piece 4, so that the speed of the support piece 4 can be controlled conveniently, and meanwhile, the relative installation position between the motor and the support piece 4 can be adjusted through the transmission piece, so that the position of the support piece 4 can be set according to actual needs without being arranged together with the motor. Of course, the function of the transmission member may be used for other purposes, not only for adjusting the rotation speed ratio and the relative installation position.

As shown in fig. 1 to 4, the first transmission member is a worm 74 or a rack, and the second transmission member is a turbine 76.

In any of the above embodiments, preferably, when the support member 4 is unfolded to the support state, an angle between one end of the support member 4, which can be in contact with the placement platform, and the vehicle body is less than 90 °.

In these embodiments, when the supporting member 4 is unfolded to the supporting state, the angle between the end of the supporting member 4 that can contact with the placing platform and the vehicle body is smaller than 90 °, that is, when the supporting member 4 is normally supported on the placing platform such as the ground, the supporting member 4 and the placing platform such as the ground are not completely perpendicular, specifically, in the above embodiments, when the supporting member 4 is completely unfolded, the bottom distance between the protrusion 442 on the supporting portion 44 and the lower surface of the vehicle body 1 is slightly larger than the distance between the lower surface of the vehicle body 1 and the placing platform such as the ground, so that the end of the supporting member 4 can be ensured to always contact with the ground by adjusting the rotating angle of the supporting member 4 during supporting, so as to provide the force and moment for preventing the forklift from tilting forward, and ensure that the rear wheel does.

In the above embodiment, preferably, as shown in fig. 1, 3 and 4, the first driver 3 includes: a plurality of mounting pieces 32 mounted on the vehicle body 1 in parallel to each other in the height direction of the vehicle body 1, and one ends of the plurality of mounting pieces 32 are each rotatably connected to the vehicle body 1; a second telescopic member 34 attached to the vehicle body 1, connected to the plurality of attachment members 32, and capable of driving the plurality of attachment members 32 to rotate; wherein the fork 2 is mounted on the other end of the plurality of mounts 32 and can move when the plurality of mounts 32 rotate.

In these embodiments the first drive element 3 comprises a second telescopic element 34 and a plurality of mounts 32 in a vertical plane, which allows the fork 2 to be supported on the plurality of mounts 32, and this configuration allows on the one hand the fork 2 to be movably mounted on the body 1 via the plurality of mounts 32 and on the other hand the plurality of mounts 32 to be integrally connected via the fork 2, which allows the plurality of mounts 32 to be more easily rotated synchronously when the mounts 32 are driven in motion. While the plurality of mounting members 32 are rotatably mounted on the body 1 in a vertical plane so that the driving movement of the fork 2 can be performed by the rotation of the plurality of mounting members 32 in the vertical plane to enable the up-and-down movement and the forward-and-backward movement of the fork 2, the plurality of mounting members 32 are preferably arranged in parallel with each other so that a smooth support surface can be formed by the plurality of mounting members 32 so that the smooth support of the fork 2 can be achieved. At the same time, the plurality of mountings 32 are parallel to each other, which also makes it easier to synchronize the mountings 32 when they are moved under the action of the second telescopic element 34, thus ensuring the stability of the goods on the fork 2 and preventing them from tilting or falling. The second telescopic member 34 is specifically used for realizing the rotation driving of the plurality of mounting parts 32, so that when the center of gravity or the height of the goods on the fork 2 needs to be adjusted, the plurality of mounting parts 32 can be driven to synchronously rotate through the second telescopic member 34, and the integral movement of the fork 2 and the goods can be realized.

In any of the above embodiments, preferably, as shown in fig. 1, 3 and 4, the plurality of mounting members 32 include a plurality of first mounting members 322 and a plurality of second mounting members 324, the plurality of first mounting members 322 are mounted parallel to each other and obliquely on the first side of the vehicle body 1, and the plurality of second mounting members 324 are mounted parallel to each other and obliquely on the second side of the vehicle body 1; the second telescopic member 34 includes a first telescopic member 342 and a second telescopic member 344 mounted on the vehicle body 1, the first telescopic member 342 is connected with the plurality of first mounting members 322 for driving the plurality of first mounting members 322 to rotate, and the second telescopic member 344 is connected with the plurality of second mounting members 324 for driving the plurality of second mounting members 324 to rotate.

In the embodiments, a plurality of parallel and inclined first mounting parts 322 are provided at a first side of the vehicle body 1, and a plurality of parallel and inclined second mounting parts 324 are provided at a second side of the vehicle body 1, so that the plurality of first mounting parts 322 and the plurality of second mounting parts 324 form a support platform above the vehicle body 1, so that both sides of the fork 2 can be directly mounted on the support platform formed by the plurality of first mounting parts 322 and the plurality of second mounting parts 324, so that the support mounting of the fork 2 can be realized by the plurality of mounting parts 32, and the structure can mount the fork 2 on the plurality of mounting parts 32, so that the position adjustment of the fork 2 can be realized by the movement of the mounting parts 32, so that the fork 2 can be supported and mounted above the vehicle body 1, so that the space above the vehicle body 1 can be reasonably utilized, and a space is reserved for the mounting of other parts on the vehicle body 1, moreover, the fork 2 with the structure is only limited by the mounting pieces 32, so that the fork 2 is not easily blocked by other parts on the vehicle body 1, and the first mounting pieces 322 and the second mounting pieces 324 are obliquely and rotatably mounted on the vehicle body 1, so that the first mounting pieces 322 and the second mounting pieces 324 can be integrally driven to rotate under the action of the second telescopic piece 34, and the fork 2 can be driven to move up and down back and forth. The second telescopic member 34 is used for driving the mounting member 32 to move, and preferably, a first telescopic member 342 may be provided at a first side of the vehicle body 1 corresponding to the plurality of first mounting members 322, so that the driving of the plurality of first mounting members 322 may be achieved through the first telescopic member 342, and a second telescopic member 344 may be provided at a second side of the vehicle body 1 corresponding to the plurality of second mounting members 324, so that the driving of the plurality of second mounting members 324 may be achieved through the second telescopic member 344, and such a structure enables the plurality of first mounting members 322 and the plurality of second mounting members 324 to be driven independently from each other, and enables the driving force to be distributed at both sides of the vehicle body 1, so that the driving force distribution may be more uniform, and the stability of the second telescopic member 34 when the driving fork 2 moves may be ensured. Of course, in another embodiment, only one second telescopic member 34 may be provided at the middle portion of the vehicle body 1, so that the driving of the plurality of first mounting parts 322 and the plurality of second mounting parts 324 can be simultaneously realized by one second telescopic member 34, and this structure can eliminate the use of one driving device, thereby simplifying the structure of the product.

The second telescopic member 34 may be a telescopic member capable of driving the mounting member 32 to rotate, so that the plurality of mounting members 32 can be driven integrally by the telescopic member.

Preferably, the first mounting members 322 are equal in length and located at the same height position, and the second mounting members 324 are equal in length and located at the same height position, so that one ends of the mounting members 32 far away from the vehicle body 1 can form a supporting plane parallel to the vehicle body 1, and thus the fork 2 can be stably mounted on the mounting members 32.

In any of the above embodiments, first mounting member 322 and second mounting member 324 are preferably both telescoping members or, as shown in fig. 1, 3, and 4, first mounting member 322 and second mounting member 324 are both non-telescoping members.

In these embodiments, the first mounting member 322 and the second mounting member 324 may be provided as telescopic members, so that the height position adjustment of the fork 2 can be realized by the unified telescopic movement of the plurality of mounting members 32, so that the height adjustment and the front-rear position adjustment of the fork 2 can be simultaneously realized by the plurality of mounting members 32, thereby simplifying the structure of the adjustment assembly. Furthermore, the first mounting member 322 and the second mounting member 324 may also be non-telescopic members, such as a common bar construction, in which case the adjustment of the position of the fork carriage 2 may be achieved by rotation of the plurality of mounting members 32 only.

Wherein, preferably, the first mounting member 322 and the second mounting member 324 are both hydraulic cylinders or electric push cylinders or air cylinders.

In these embodiments, the mounting member 32 may be a hydraulic cylinder, an electric pushing cylinder, an air cylinder, or other structures capable of automatically extending and retracting, and the mounting member 32 may be automatically extended and retracted without providing an additional driving structure. Since the hydraulic cylinder can bear a relatively large thrust, the mounting member 32 can also be supported by the hydraulic cylinder with a strong force, so that the fork 2 can carry heavy articles. Meanwhile, as the space on the forklift is limited, the telescopic part can preferably adopt a multi-stage hydraulic cylinder.

In any of the above embodiments, preferably, the forklift further includes: at least one stabilizer (not shown) mounted in parallel with each other between the plurality of first mounting members 322 and the plurality of second mounting members 324.

In these embodiments, a stabilizer may be disposed between the first mounting members 322 and the second mounting members 324, so that the first mounting members 322 and the second mounting members 324 on both sides of the vehicle body 1 can be connected to each other to form a whole, and the mounting members 32 on both sides of the vehicle body 1 can be restrained from moving each other, so that the mounting members 32 on both sides of the vehicle body 1 can move synchronously, thereby ensuring the stability of the fork 2 during movement and compensating for the defect that the mounting members 32 on both sides of the vehicle body 1 cannot be completely synchronized due to the influence of structures and the like.

In any of the above embodiments, preferably, as shown in fig. 1, 3 and 4, the fork 2 comprises: a first mounting rod 22 supported and mounted on the plurality of first mounting members 322 in parallel with the vehicle body 1; a second mounting rod 24 supported by the plurality of second mounting members 324, parallel to the first mounting rod 22, and parallel to the vehicle body 1; a first yoke 26 mounted on the first mounting bar 22; a second fork bar 28 is mounted on the second mounting bar 24.

In these embodiments, the fork 2 includes the first mounting rod 22 mounted on the first mounting parts 322 and the second mounting rod 24 mounted on the second mounting parts 324, so that the first mounting rod 22, the first mounting parts 322 and the first side of the body 1 form a parallel-like structure, and the second mounting rod 24, the second mounting parts 324 and the second side of the body 1 form another parallel-like structure, so that the fork 2 can be driven to move back and forth and up and down by the two parallel-like mechanisms on both sides of the body 1. The first mounting rod 22 can realize the connection of a plurality of first mounting parts 322, the second mounting rod 24 can realize the connection of a plurality of second mounting parts 324, thus the fork frame 2 can form a mechanism which can be interlocked with the plurality of mounting parts 32, namely, the plurality of mounting parts 32, the first mounting rod 22 and the second mounting rod 24 of the fork frame 2 and the vehicle body 1 can form two parallel mechanisms at two sides of the vehicle body 1, so that the fork frame 2 can be translated up and down and back and forth through the rotation of the parallel mechanisms at two sides, and the structure can realize the front and back position and height position adjustment of the bracket through the mutual traction between the plurality of mounting parts 32 and the two mounting rods, so that on one hand, the whole structure of the product is simpler and better processed, thereby the cost can be reduced, on the other hand, the parallel mechanism formed by the mounting parts 32 and the two mounting rods can ensure that the driving between the driving component and the fork frame 2 is more accurate and firm, thereby being capable of reducing the failure rate of the product. The first fork rod 26 and the second fork rod 28 are respectively connected with the first mounting rod 22 and the second mounting rod 24, so that the goods can be taken and placed under the action of the first mounting rod 22 and the second mounting rod 24, for example, the two fork rods can be directly inserted into the bottom of the goods, then the fork frame 2 can be lifted to take out the goods, or the fork frame 2 can be lowered to discharge the goods, namely, the first fork rod 26 and the second fork rod 28 are specifically used for contacting with the goods to take out and transport the goods.

Preferably, the first fork rod 26 and the second fork rod 28 are L-shaped rods or L-shaped rods, and the structure can be connected with the mounting rod through the vertical edge of the L-shaped rod or L-shaped rod, and can be contacted with goods through the transverse edge of the L-shaped rod or L-shaped rod to carry out goods taking and carrying and the like.

In another solution it is also possible to arrange the fork 2 in a structure comprising one mounting plate and two fork arms.

In any of the above embodiments, preferably, as shown in fig. 1, 3 and 4, the forklift further includes: a turning device 9, the turning device 9 being rotatably mounted on the body 1, the fork 2 being capable of placing goods on the fork 2 onto the turning device 9.

In the embodiments, after the fork 2 takes goods, the position of the fork 2 can be adjusted by adjusting the position of the fork 2, so that the fork 2 can place the goods on the fork 2 onto the revolving device 9, and then the revolving device 9 can be rotated to rotate the goods on the vehicle body 1, so that the placing posture of the goods on the vehicle body 1 can be adjusted, for example, when the length of the goods is longer, the length direction of the goods can be rotated to the horizontal direction along the forklift, and the arrangement can reduce the occupation of the spaces on two sides of the forklift during the transportation of the forklift, ensure the stability of the transportation process of the forklift, reduce the possibility of overturning, and thus avoid the situation that the goods are unreasonably placed on the forklift to cause overturning.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A forklift, comprising:

the vehicle body is provided with wheels;

a fork mounted on the body to be movable in a horizontal direction of the body and in a height direction of the body;

the first driving piece is connected with the fork frame and used for driving the fork frame to move along the horizontal direction of the vehicle body and the height direction of the vehicle body;

the support piece can be unfolded or retracted and is arranged on the vehicle body, and when the support piece is unfolded, the support piece can extend out of the vehicle body from the goods taking and unloading side of the vehicle body and is supported on the placement platform of the forklift;

the sliding piece is slidably arranged on the vehicle body, and the supporting piece is rotatably arranged on the sliding piece and can slide under the action of the sliding piece;

the second driving piece is arranged on the vehicle body, is connected with the sliding piece and can drive the sliding piece to slide;

the third driving piece is arranged on the sliding piece corresponding to the supporting piece and can drive the supporting piece to rotate;

the support piece can extend out of the truck body from the goods taking and unloading side of the truck body under the action of the sliding piece and can be supported on the placing platform of the forklift under the action of the third driving piece.

2. The lift truck of claim 1,

the horizontal direction of the vehicle body includes a front-rear direction of the vehicle body and a left-right direction of the vehicle body;

the support member is capable of being extended or retracted in the front-rear direction of the vehicle body and is supportingly mounted in front of the vehicle body when the fork is capable of moving in the front-rear direction of the vehicle body, and the support member is capable of being extended or retracted in the left-right direction of the vehicle body and is supportingly mounted on a pickup side of the vehicle body when the fork is capable of moving in the left-right direction of the vehicle body.

3. The lift truck of claim 1, wherein the support comprises:

a mounting portion mounted on the slider;

one end of the supporting part is connected with the mounting part, and the other end of the supporting part and the mounting part are positioned at different height positions;

wherein, the installation department with the supporting part is followed the horizontal direction of automobile body sets up, support piece is still including connecting the installation department with connecting portion between the supporting part, or

The installation department is followed the horizontal direction of automobile body sets up, the supporting part is followed the direction of height of automobile body sets up.

4. Forklift according to claim 3,

the supporting part is kept away from be provided with on the tip of the one end of installation department can with the arch of place the platform contact, or the supporting part is kept away from one of installation department is served and is provided with can with the slope holding surface of place the platform contact.

5. The lift truck of claim 1, further comprising:

and the sensor is arranged between the supporting piece and the third driving piece and used for detecting the contact state between the supporting piece and the placing platform.

6. Forklift according to any of claims 1 to 5,

the second driving piece comprises a first telescopic piece, one end of the first telescopic piece is rotatably connected with the vehicle body, and the other end of the first telescopic piece is connected with the sliding piece and can drive the sliding piece to slide; or

The second driving piece comprises a first motor, a gear and a rack, the first motor and the gear are mounted on the vehicle body, the rack is mounted on the sliding piece, and the gear can be meshed with the rack under the action of the first motor to drive the sliding piece to slide.

7. The lift truck of claim 6, wherein the first telescoping member is a hydraulic or electric ram or an air cylinder, the second drive member further comprising:

the supporting seat is installed on the automobile body, and one end, far away from the sliding piece, of the first telescopic piece is rotatably connected with the supporting seat.

8. The lift truck of any one of claims 1 to 5, further comprising:

and the guide rail is arranged on the vehicle body, and the sliding piece is arranged on the guide rail in a sliding way.

9. The lift truck of any one of claims 1 to 5, wherein the third drive comprises:

a second motor mounted on the slider;

the first transmission piece is connected with a motor shaft of the motor and can rotate under the action of the motor shaft;

and the second transmission piece is arranged on the sliding piece, can be matched with the first transmission piece and can drive the supporting piece to rotate under the action of the first transmission piece.

10. The lift truck of claim 9,

11. Forklift according to any of claims 1 to 5,

when the supporting piece is unfolded to the supporting state, the angle between one end, capable of being in contact with the placing platform, of the supporting piece and the vehicle body is smaller than 90 degrees.