CN215046295U - Transport vehicle - Google Patents

Abstract

The utility model relates to a transport vechicle, including the body that is equipped with docking mechanism, docking mechanism includes: the telescopic assembly can be telescopic along a first direction; the lifting assembly is arranged on the telescopic assembly; clamping device is connected with hoisting component, and clamping device includes that the portion of bearing, the first arm and the second that keep off that the interval set up in the first direction keep off the arm, and follow two arm lock that the second direction interval set up, wherein first fender arm, second keep off the arm and be used for restricting the swing range of skip in the first direction, and two arm lock are used for restricting the swing range of skip in the second direction. When above-mentioned transport vechicle and skip butt joint, first fender arm and second fender arm are fixed a position the skip in the front and back direction, and two arm lock are then fixed a position the skip from the left and right sides orientation for the front and back of skip, left and right sides orientation all carry on spacingly, thereby can eliminate the position error of skip, guarantee that the skip can place on bearing portion accurately.

Description

Transport vehicle

Technical Field

The utility model relates to a AGV technical field especially relates to a transport vechicle.

Background

In an Automated manufacturing plant, the material is typically transported by an AGV (Automated Guided Vehicle). The specific method is generally as follows: the material is placed in a skip car, and the skip car is manually placed in a storage position; and controlling the transport vehicle to be in butt joint with the skip car, and then driving the skip car to travel to a specified place.

Because the skip is placed in the storage bit by the manual work, there is uncontrollable error of placing, and the coordinate point of storage bit is static coordinate on transport vechicle dispatch system, snatchs the skip for the transport vechicle and brings the degree of difficulty, leads to having the error of snatching, and then leads to the position inaccuracy of skip on the transport vechicle, has increased the degree of difficulty when skip and next station dock.

In addition, in the conventional technology, the transport vehicle inserts the skip through the goods taking device (or called docking mechanism), positioning errors such as displacement and deflection exist for the skip with the universal wheels, and the goods taking device of the transport vehicle, such as a pallet fork and a telescopic fork, does not have the function of eliminating errors or positioning, so that the position of the skip on the transport vehicle is not accurate, and the difficulty in docking the skip with the next station is increased.

In addition, due to the fact that the positioning function of the goods taking device of the transport vehicle is insufficient, the transport vehicle can swing in the running process, the uncertainty of the posture of the transport vehicle when the transport vehicle stops is increased, the stopping precision cannot be guaranteed, and the difficulty in butt joint of the transport vehicle and the next station is increased.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a transport vechicle to the problem that can not effectively eliminate skip position error and accurate positioning skip when traditional transport vechicle snatchs the skip.

The utility model provides a transport vechicle, includes the body, the body is equipped with docking mechanism, docking mechanism is used for with the docking structure butt joint on the skip, docking mechanism includes: the telescopic assembly is arranged on the body and can be stretched in a first direction; the lifting assembly is arranged on the telescopic assembly and is driven by the telescopic assembly to be far away from or close to the body; clamping device, with lifting unit connects and by lifting unit drives and goes up and down in vertical direction, clamping device including the bearing part that is used for holding the skip, in the first direction interval set up in the first arm and the second arm that keeps off of bearing part both sides set up in two arm locks of bearing part both sides along the second direction interval, first arm that keeps off keep off the arm second and two form the location space between the arm lock, first arm that keeps off, the second keeps off the arm and is used for restricting the swing range of skip in the first direction, two the arm lock is used for restricting the swing range of skip in the second direction, the second direction perpendicular to first direction just is on a parallel with same reference surface.

When above-mentioned transport vechicle docks with the skip, the transport vechicle travels around the skip, lifting unit makes clamping device descend to the minimum, flexible subassembly stretches out lifting unit and clamping device, and make clamping device move to the butt joint structure's of skip below, then lifting unit drive clamping device rises, make the bearing part hold the skip from the below, first fender arm and second fender arm are fixed a position the skip in the past rear direction simultaneously, two arm lock are then fixed a position the skip from the direction of controlling, make the front and back of skip, the direction of controlling all carries on spacingly, thereby can eliminate the position error of skip, guarantee that the skip can place on the bearing part accurately.

In one embodiment, a first inclined surface is arranged on one side, facing the second blocking arm, of the first blocking arm, and the first inclined surface is far away from the bearing part and extends obliquely upwards; one side of the second blocking arm facing the first blocking arm is provided with a second inclined surface, the second inclined surface is far away from the bearing part and extends upwards in an inclined mode, and the first inclined surface and the second inclined surface face each other and are arranged at intervals.

In one embodiment, the clamping arms are provided with third inclined surfaces, the third inclined surfaces are far away from the bearing part and extend upwards in an inclined mode, and the third inclined surfaces of the clamping arms on two sides face to each other and are arranged at intervals.

In one embodiment, the clamping device comprises two clamping assemblies, the two clamping assemblies are arranged at intervals along the second direction, the clamping assemblies are connected with the lifting assembly and driven by the lifting assembly to ascend and descend in the vertical direction, each clamping assembly comprises a bearing area used for supporting a skip car, the two ends of the bearing area in the first direction are respectively provided with the first blocking arm and the second blocking arm, one end of the bearing area in the second direction is provided with the clamping arm, and the bearing areas of the two clamping assemblies jointly form the bearing part.

In one embodiment, the clamping assembly further comprises a fixing part connected to the lifting assembly, the bearing area is connected to the fixing part, and the clamping arm is connected to the fixing part and the bearing area at the same time.

In one embodiment, the clamping arms are polygonal slopes, the polygonal slopes are connected with the bearing areas, and the slopes of the two polygonal slopes face each other.

In one embodiment, the lifting assembly comprises a first lifting member and a second lifting member, and the clamping assemblies are respectively connected to the first lifting member and the second lifting member.

In one embodiment, the telescopic assembly is provided with a track arranged along the second direction, and the clamping device is connected with the track in a sliding manner.

In one embodiment, the surface of the body is provided with a groove, the telescopic assembly is arranged in the groove, and the lifting assembly can extend out of or retract into the groove under the driving of the telescopic assembly.

In one embodiment, the inner wall of the groove is provided with a guide rail arranged along a first direction, and the telescopic assembly is provided with a sliding groove in sliding fit with the guide rail.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a transport vehicle and a skip car in butt joint according to an embodiment of the present invention.

Fig. 2 is a side view of the structure shown in fig. 1.

Fig. 3 is a top view of the structure shown in fig. 1.

Fig. 4 is a schematic view of a local structure of the transportation vehicle according to an embodiment of the present invention when the transportation vehicle is docked with the skip.

Fig. 5 is a schematic structural view of a clamping device in a transportation vehicle according to an embodiment of the present invention.

Fig. 6 is a schematic side view of the clamping device shown in fig. 5.

The relevant elements in the figures are numbered correspondingly as follows:

100. a transport vehicle;

10. a body; 110. a groove; 120. a guide rail;

20. a docking mechanism;

30. a telescoping assembly; 310. a telescopic rod; 320. a support frame; 321. a track; 330. a chute;

40. a lifting assembly; 410. a first lifting member; 420. a second lifting member;

50. a clamping device; 510. a bearing part; 520. a first stopper arm; 521. a first inclined plane; 530. a second catch arm; 531. a second inclined plane; 540. clamping arms; 541. a third inclined plane;

550. a clamping assembly; 551; a load bearing zone; 552. a fixed part; 553. a slider;

560. a stopper;

200. and (4) a skip car.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The utility model provides a transport vechicle for snatch the skip from the storage bit, and then drive the skip and travel appointed place, so that the skip can dock with next station. The following describes preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, a schematic perspective view of a docking of a transportation vehicle 100 and a skip 200 according to an embodiment of the present invention is shown. Fig. 2 and 3 are a side view and a top view of the transporter 100 docked with the skip 200, respectively. As shown in the figures, the transportation vehicle 100 includes a body 10, and a docking mechanism 20 disposed on the body 10, wherein the docking mechanism 20 is configured to dock with a docking structure on the material vehicle 200, so as to provide a traction force to the material vehicle 200, so that the material vehicle 200 can move along with the transportation vehicle 100.

As described in the background art, the conventional transportation vehicle has a problem that the position error of the skip 200 cannot be effectively eliminated and the skip 200 cannot be accurately positioned when the skip 200 is grabbed by the conventional transportation vehicle.

In view of the above problems, an embodiment of the present invention improves the docking mechanism 20 of the transportation vehicle 100. As shown in fig. 4, fig. 4 is a schematic view illustrating the docking mechanism 20 and the skip 200 when the body 10 is not illustrated, the docking mechanism 20 includes a telescopic assembly 30, a lifting assembly 40 and a clamping device 50, wherein the telescopic assembly 30 is used for driving the lifting assembly 40 and the clamping device 50 to move away from or close to the body 10 (i.e., perform telescopic movement), the lifting assembly 40 is used for driving the clamping device 50 to ascend and descend in a vertical direction, and the clamping device 50 is used for docking with the skip 200.

Referring to fig. 3 and 4, the telescopic assembly 30 is disposed on the body 10, and is telescopic in a first direction, that is, the telescopic direction of the telescopic assembly 30 is defined as a first direction X. For convenience of description, the first direction X is also referred to as a front-rear direction hereinafter. The retraction assembly 30 has a retraction effect when in operation. In particular implementation, the telescopic assembly 30 may be capable of extending or contracting with respect to the body 10; or the retraction assembly 30 itself does not change in length, but it can be extended out of the body 10 or retracted into the body 10. In one example, the telescoping assembly 30 includes an electric telescoping pole 310.

A lift assembly 40 is provided on the retraction assembly 30. The lifting assembly 40 is used to drive the clamping device 50 to ascend and descend in the vertical direction. Thus, the telescopic assembly 30 can move the clamping device 50 back and forth relative to the body 10, and the lifting assembly 40 can move the clamping device 50 up and down in the vertical direction, so that the clamping device 50 can be docked with the docking structure.

As shown in fig. 3, 5 and 6, the clamping device 50 includes a supporting portion 510 for supporting the skip 200, a first blocking arm 520 and a second blocking arm 530 spaced apart from each other on two sides of the supporting portion 510 in a first direction, and two clamping arms 540 spaced apart from each other on two sides of the supporting portion 510 in a second direction, wherein the second direction is perpendicular to the first direction and parallel to the same reference plane. In one example, the first direction X and the second direction Y are both horizontal directions, and the reference plane is a horizontal plane. For convenience of description, the second direction Y is also referred to as a left-right direction. A positioning space is formed between the first blocking arm 520, the second blocking arm 530 and the two clamping arms 540, and the first blocking arm 520 and the second blocking arm 530 are used for limiting the swing amplitude of the skip 200 in the first direction X; the two clamping arms 540 are used for limiting the swing amplitude of the skip 200 in the second direction Y. In addition, when specifically arranged, two clamping arms 540 may be arranged on each side of the bearing part 510 at intervals along the second direction Y, so that the skip 200 can be better positioned from both sides in the left-right direction.

When the transport vehicle 100 and the skip 200 of the above embodiment are butted, referring to fig. 3 and 4, before the transport vehicle 100 is controlled to travel to the skip 200, the lifting assembly 40 lowers the clamping device 50 to the lowest point, the telescopic assembly 30 extends the lifting assembly 40 and the clamping device 50 and moves the clamping device 50 to the lower side of the butt structure of the skip 200, then the lifting assembly 40 drives the clamping device 50 to ascend, so that the carrying portion 510 holds the skip 200 from the lower side, meanwhile, the first blocking arm 520 and the second blocking arm 530 position the skip 200 from the front and rear direction, and the two clamping arms 540 position the skip 200 from the left and right direction, so that the front and rear directions and the left and right directions of the skip 200 are both limited, thereby eliminating the position error of the skip 200 and ensuring that the skip 200 can be accurately placed on the carrying portion 510. In addition, when the transport vehicle 100 travels, because the positioning constraints are added on the front and back and left and right directions of the skip 200, the skip 200 can be well prevented from shaking, the position of the skip 200 on the transport vehicle 100 is ensured to be accurate, and the difficulty in butt joint of the skip 200 and the next station is reduced.

In the above embodiment, after the clamping device 50 is completely abutted to the skip car 200, the telescopic assembly 30 can be retracted to make the skip car 200 close to the body 10, so that the center of gravity of the skip car 200 is closer to the center of gravity of the body 10 of the transport car 100, thereby reducing the risk of the skip car 200 tilting during the driving process of the transport car 100.

In addition, the transport vehicle 100 is provided with a scanning device (which may be regarded as a machine vision positioning system, not shown), before the clamping device 50 of the transport vehicle 100 is abutted to the skip 200, the scanning device can be used to determine the position of the transport vehicle 100, even if the transport vehicle 100 runs to a proper position, which is beneficial to quickly achieving the abutment between the clamping device 50 and the skip 200.

In order to allow the skip 200 to be conveniently seated against the bearing part 510 of the clamping device 50. As shown in fig. 5, in an embodiment, a first inclined surface 521 is disposed on a side of the first blocking arm 520 facing the second blocking arm 530, and the first inclined surface 521 is away from the bearing portion 510 and extends obliquely upward; the second blocking arm 530 is provided with a second inclined surface 531 at a side facing the first blocking arm 520, the second inclined surface 531 extends obliquely upward away from the bearing part 510, and the first inclined surface 521 and the second inclined surface 531 face each other and are spaced apart from each other. During specific setting, the first blocking arm 520 and the second blocking arm 530 are respectively arranged at two ends of the bearing part 510 in the first direction X and tilt upwards, so that a horn-shaped insertion opening with a large top and a small bottom is formed between the first inclined plane 521 and the second inclined plane 531, when the clamping device 50 vertically ascends, the first inclined plane 521 and the second inclined plane 531 play a role in guiding the skip car 200, so that the skip car 200 can smoothly enter the positioning space, and finally the skip car 200 is positioned between the lower end of the first inclined plane 521 (the end close to the bearing part 510) and the lower end of the second inclined plane 531 (the end close to the bearing part 510).

Similarly, in order to make the skip 200 conveniently lean against the bearing part 510 of the clamping device 50, as shown in fig. 6 and referring to fig. 3, in an example, the clamping arms 540 are provided with third inclined surfaces 541, the third inclined surfaces 541 extend obliquely upward away from the bearing part 510, and the third inclined surfaces 541 of the clamping arms 540 at two sides are arranged opposite to and spaced apart from each other. Similar to the inclined planes of the first blocking arm 520 and the second blocking arm 530, the third inclined planes 541 on the two clamping arms 540 form a trumpet-shaped insertion opening with a large top and a small bottom in the second direction Y, so that when the clamping device 50 vertically ascends to be in butt joint with the skip 200, the third inclined planes 541 on the two clamping arms 540 guide the skip 200, so that the skip 200 can smoothly enter the positioning space, and finally the skip 200 is positioned between the third inclined planes 541 on the two clamping arms 540.

Further, in an embodiment, the first blocking arm 520, the second blocking arm 530 and the two clamping arms 540 are provided with the inclined surface structures. Thus, when the clamping device 50 is butted with the skip car 200, the two sides of the skip car 200 in the front-back direction and the left-right direction are provided with the guiding structures, and the clamping device 50 and the skip car 200 can be butted more smoothly.

Referring to fig. 3 and 4, in an embodiment, the clamping device 50 includes two clamping assemblies 550, the two clamping assemblies 550 are disposed at intervals along the second direction Y, and each clamping assembly 550 is connected to the lifting assembly 40 and is driven by the lifting assembly 40 to ascend and descend in the vertical direction. The clamping assembly 550 includes a bearing area 551 for supporting the skip 200, a first blocking arm 520 and a second blocking arm 530 respectively disposed at two ends of the bearing area 551 in a first direction, a clamping arm 540 disposed at one end of the bearing area 551 in a second direction, and the two bearing areas 551 together form the carrying portion 510. That is, the middle of the supporting portion 510 has a notch.

In the above embodiment, each of the clamping assemblies 550 is provided with the first blocking arm 520 and the second blocking arm 530, and each of the clamping assemblies 550 can independently position the skip 200 in the front-rear direction. Each clamping assembly 550 is provided with only one clamping arm 540, and the clamping arms 540 of the two clamping assemblies 550 jointly position the skip 200 in the left-right direction.

In the above embodiment, the two independent clamping assemblies 550 are provided, so that the clamping device 50 can be better adapted to the bottom structure of the skip 200. For example, when other structural members are disposed at the central position of the bottom of the skip 200, the two independent clamping assemblies 550 may be butted against the skip 200 from the left and right sides of the skip 200 without being affected by the other structural members on the skip 200.

In one embodiment, the lifting assembly 40 includes a first lifting member 410 and a second lifting member 420, and two clamping assemblies 550 are coupled to the first lifting member 410 and the second lifting member 420, respectively. Like this two centre gripping subassemblies 550 are controlled independently respectively, when centre gripping subassembly 550 and skip 200 dock, can finely tune the position of any centre gripping subassembly 550 in real time according to the butt joint condition, both guarantee the butt joint effect, also reduced the unexpected risk of damaging of centre gripping subassembly 550 simultaneously. The specific type of the lifting member is not limited, and for example, it may be a linear motor whose mover is coupled with the clamping assembly 550.

In one embodiment, as shown in fig. 4, the number of the telescopic assemblies 30 is two, and the two telescopic assemblies are respectively used for driving the first lifting member 410 and the second lifting member 420 to be telescopic. Further, a stop 560 is disposed between the two retraction assemblies 30. The stop 560 is located on a side of the clamping assembly 550 proximate the body 10. The stopper 560 may allow the first lifting member 410 and the second lifting member 420 to be synchronously and stably extended and retracted; in addition, the stopper 560 also serves to limit the skip 200, and prevent the skip 200 from approaching the body 10 too much. In one example, the telescoping assembly 30 includes a telescoping pole 310, a support bracket 320 coupled to the telescoping pole 310. The lifting assembly 40 is mounted to the support bracket 320. The stop 560 is coupled between the two support brackets 320.

In one embodiment, as shown in FIGS. 5 and 6, clamp assembly 550 further includes a fixing portion 552, fixing portion 552 is connected to lift assembly 40, load bearing section 551 is connected to fixing portion 552, and clamp arm 540 is connected to both fixing portion 552 and load bearing section 551. Through the above measures, the clamping arms 540 have the function of positioning the skip car 200 on one hand, and the clamping arms 540 have the function of reinforcing ribs on the other hand, so that the clamping assembly 550 has better stability. In one example, the clipping arm 540 is a right-angled triangle, the right-angled end of the right-angled triangle is close to the load-bearing area 551, the beveled ends of the two right-angled triangles are slopes extending obliquely upward away from the load-bearing portion 510, the two beveled ends face each other, and the beveled end of the right-angled triangle forms the third bevel 541. In this example, the arm lock 540 is directly made of a right-angled triangular plate, which is easy to manufacture, and the bevel edge end of the right-angled triangular plate is directly used for positioning and guiding the skip 200, so that the skip 200 can be conveniently positioned in the left-right direction. In addition, the clamp arm 540 is not limited to be a right-angled triangular plate, and may be a polygonal slope having another shape, wherein one side of the polygonal slope is connected to the bearing region 551, the slope of the polygonal slope is away from the bearing portion 510 and extends obliquely upward, and the slopes at both sides face each other to form a limit for positioning the skip 200, so that the skip 200 can be guided into the positioning space and the skip 200 can be limited. For example, the clamping arms 540 may also be obtuse triangular plates, and the oblique sides of the obtuse angles of the obtuse triangular plates are slopes. For example, clamp arm 540 may be a quadrilateral or more polygonal plate, one side of which forms a ramp for guiding and restraining cart 200 when connected to load bearing area 551. The polygonal slope is not limited to a plate-like structure, and the above-described slope may be formed.

In one embodiment, as shown in fig. 4, the telescopic assembly 30 comprises a telescopic rod 310 and a support frame 320 connected to the telescopic rod 310. The supporting frame 320 is provided with a rail 321 arranged along the second direction X. The lifting assembly 40 is mounted to the support bracket 320. Each clamping assembly 550 is provided with a slider 553, the slider 553 being connected to a fixing portion 552 of the clamping assembly 550, the slider 553 being slidably connected with the rail 321. By the above means, when the lifting assembly 40 lifts the clamping assembly 550, the clamping assembly 550 moves more stably.

In order to solve the problem of transportation of the skip car 200 due to space limitation, in an embodiment, as shown in fig. 1, a groove 110 is formed on a surface of the body 10, the telescopic assembly 30 is disposed in the groove 110, and the lifting assembly 40 can extend out of or retract into the groove 110 under the driving of the telescopic assembly 30. When the telescopic assembly 30 retracts, the clamping device 50 drives the skip car 200 to be close to the body 10, and the skip car 200 at least partially enters the groove 110, so that the skip car 200 and the transport vehicle 100 form a whole, the space is saved, the problem that the transport of the skip car 200 is influenced by the limitation of the space is solved, the transport efficiency is improved, and the transport cost is reduced.

Further, the inner wall of the groove 110 is provided with a guide rail 120 disposed along the first direction X, and the guide rail 120 has a guide path extending along the first direction. The retraction assembly 30 further includes a chute 330 connected to the retraction rod 310. The chute 330 engages the rail 120. By providing the guide rail 120 and the sliding groove 330, the telescopic assembly 30 can smoothly drive the skip 200 into the groove 110.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a transport vechicle, includes the body, the body is equipped with docking mechanism, docking mechanism be used for with the butt joint of the butt joint structure on the skip, its characterized in that, docking mechanism includes:

the telescopic assembly is arranged on the body and can be stretched in a first direction;

the lifting assembly is arranged on the telescopic assembly and is driven by the telescopic assembly to be far away from or close to the body;

clamping device, with lifting unit connects and by lifting unit drives and goes up and down in vertical direction, clamping device including the bearing part that is used for holding the skip, in the first direction interval set up in the first arm and the second arm that keeps off of bearing part both sides set up in two arm locks of bearing part both sides along the second direction interval, first arm that keeps off keep off the arm second and two form the location space between the arm lock, first arm that keeps off, the second keeps off the arm and is used for restricting the swing range of skip in the first direction, two the arm lock is used for restricting the swing range of skip in the second direction, the second direction perpendicular to first direction just is on a parallel with same reference surface.

2. The transportation vehicle of claim 1, wherein a side of the first arm facing the second arm is provided with a first inclined surface, the first inclined surface being away from the bearing part and extending obliquely upward; one side of the second blocking arm facing the first blocking arm is provided with a second inclined surface, the second inclined surface is far away from the bearing part and extends upwards in an inclined mode, and the first inclined surface and the second inclined surface face each other and are arranged at intervals.

3. Transport carriage as claimed in claim 1, characterized in that the clamping arms are provided with third bevels which extend obliquely upwards away from the carrier part, the third bevels of the clamping arms on both sides facing each other and being arranged at a distance from each other.

4. The transportation vehicle of claim 1, wherein the clamping device comprises two clamping assemblies, the two clamping assemblies are arranged at intervals along the second direction, the clamping assemblies are connected with the lifting assembly and driven by the lifting assembly to ascend and descend in the vertical direction, the clamping assemblies comprise bearing areas for supporting the material trolley, the first blocking arm and the second blocking arm are respectively arranged at two ends of the bearing areas in the first direction, the clamping arms are arranged at one ends of the bearing areas in the second direction, and the bearing areas of the two clamping assemblies jointly form the bearing part.

5. The transporter of claim 4, wherein the clamping assembly further comprises a fixture connected to the lifting assembly, the load bearing zone is connected to the fixture, and the clamp arm is connected to both the fixture and the load bearing zone.

6. Transport carriage as claimed in claim 5, characterized in that the gripping arms are polygonal ramps which connect the load-bearing areas, the ramps of the two polygonal ramps facing each other.

7. The transporter according to claim 4, wherein the lifting assembly comprises a first lifting member and a second lifting member, the clamping assemblies being connected to the first lifting member and the second lifting member, respectively.

8. The transporter according to claim 1, wherein the telescoping assembly is provided with a track disposed along the second direction, the clamping device being slidably coupled to the track.

9. The transportation vehicle of claim 1, wherein the surface of the body is provided with a groove, the telescopic assembly is arranged in the groove, and the lifting assembly can extend out of or retract into the groove under the driving of the telescopic assembly.

10. The transporter according to claim 9, wherein the inner wall of the groove is provided with a guide rail arranged in a first direction, and the telescopic assembly is provided with a sliding groove in sliding fit with the guide rail.

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