Box hoisting device

Abstract

The utility model provides a box body hoisting device. The box body hoisting device comprises a shear type crossed lifting frame, a transverse telescopic rod and two clamping plates, the shear-type cross lifting frame can do telescopic motion in the vertical direction, one end of the shear-type cross lifting frame is used for being connected with a crane, and the other end of the shear-type cross lifting frame is connected with the transverse telescopic rod; when the shear type cross lifting frame stretches out and draws back in the vertical direction, the shear type cross lifting frame can drive the transverse telescopic rod to stretch out and draw back in the horizontal direction; the two clamping plates are arranged at the two ends of the transverse telescopic rod. And a positioning device for limiting the movement of the transverse telescopic rod is arranged on the shear type cross lifting frame. According to the box body hoisting device, horizontal movement and vertical movement can be synchronously achieved, a large telescopic range can be achieved in a limited space, the position of the clamping plate is adjusted by adjusting the position of the transverse telescopic rod, and therefore the box body hoisting device can move to the top of a wooden box to clamp the wooden box with the relatively large size.

Description

TECHNICAL FIELD

[0001] The utility model belongs to box body transportation technical field, concretely relates to a box hoisting device. BACKGROUND

[0002] Wooden box is one of elevator equipment packaging modes, its function is to protect the appearance of elevator parts and important parts during transportation to the construction site. The size of the wooden box is determined by the product specification and the size of the parts. Because the elevator parts are large, the size of the wooden box is also relatively large and the height is relatively high. It is difficult to move the wooden box manually or by a forklift, and when moving the empty wooden box from the bottom, the large-size wooden box is prone to overturning and the moving efficiency is low. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the defects and deficiencies in the prior art, providing a box hoisting device, which synchronously realizes horizontal movement and vertical movement, can realize a large telescopic range in a limited space, and can move to the top of the wooden box to clamp the relatively large wooden box by adjusting the position of the transverse telescopic rod to adjust the position of the clamping plate.

[0004] The utility model is realized through the following technical solutions:

[0005] A box hoisting device, comprising a scissor-type cross lifting frame, a transverse telescopic rod and two clamping plates; the scissor-type cross lifting frame is telescopically movable in the vertical direction, one end of the scissor-type cross lifting frame is used for being connected with a crane, and the other end is connected with the transverse telescopic rod; when the scissor-type cross lifting frame is telescopically movable in the vertical direction, the transverse telescopic rod can be driven to be telescopically movable in the horizontal direction; the two clamping plates are arranged at the two ends of the transverse telescopic rod; a positioning device for limiting the movement of the transverse telescopic rod is arranged on the scissor-type cross lifting frame.

[0006] The utility model provides a box hoisting device, a scissor-type cross lifting frame is telescopically movable in the vertical direction, the scissor-type cross lifting frame is connected with a transverse telescopic rod, the transverse telescopic rod can be telescopically movable in the horizontal direction and drive the scissor-type cross lifting frame to be telescopically movable in the vertical direction, and horizontal movement and vertical movement are realized synchronously, a large telescopic range can be realized in a limited space, the position of the clamping plate is adjusted by adjusting the position of the transverse telescopic rod, and thus the relatively large wooden box can be moved to the top of the wooden box and clamped; a positioning device for limiting the movement of the transverse telescopic rod is arranged on the scissor-type cross lifting frame, so that the transverse telescopic rod is kept at a certain length.

[0007] Further, the transverse telescopic rod comprises a horizontally arranged first telescopic rod and a second telescopic rod; the first telescopic rod and the second telescopic rod are oppositely arranged and can move relative to each other in the horizontal direction; two ends of the first telescopic rod are respectively provided with a first hinged part and a first moving part, the first hinged part is connected with the scissors type cross lifting frame, and the first moving part is horizontally movably installed on the scissors type cross lifting frame; two ends of the second telescopic rod are respectively provided with a second hinged part and a second moving part, the second hinged part is connected with the scissors type cross lifting frame, and the second moving part is horizontally movably installed on the scissors type cross lifting frame; the first hinged part is oppositely arranged with the second moving part, and the first moving part is oppositely arranged with the second hinged part. The first hinged part is fixed with the scissors type cross lifting frame, the first moving part is horizontally movably installed on the scissors type cross lifting frame, the second hinged part is fixed with the scissors type cross lifting frame, and the second moving part is horizontally movably installed on the scissors type cross lifting frame, so that when the first moving part or the second moving part moves in the horizontal direction, the cross node of the scissors type cross lifting frame can be synchronously driven to move, and the scissors type cross lifting frame can be synchronously telescoped.

[0008] Further, the box hoisting device further comprises a first hinge and a second hinge; the scissor cross lifting frame comprises a first cross arm and a second cross arm which are cross and hingedly connected, the end of the first cross arm is provided with a first cross mounting hole, and the end of the second cross arm is provided with a second cross mounting hole; the first moving part comprises a first slot provided on the first telescopic rod; the first hinge part comprises a first hinge hole provided on the first telescopic rod; the second hinge part comprises a second hinge hole provided on the second telescopic rod, and the position of the second hinge hole corresponds to the position of the first slot; the second moving part comprises a second slot provided on the second telescopic rod, and the position of the second slot corresponds to the position of the first hinge hole; the first cross arm and the second cross arm are located between the first telescopic rod and the second telescopic rod; the positions of the first slot, the second cross mounting hole and the second hinge hole correspond to each other, and the first hinge is arranged in the first slot, the second cross mounting hole and the second hinge hole; the positions of the first hinge hole, the first cross mounting hole and the second slot correspond to each other, and the second hinge is arranged in the first hinge hole, the first cross mounting hole and the second slot. The first slot corresponds to the second hinge hole, and the first hinge hole corresponds to the second slot. Meanwhile, the first hinge is arranged in the first slot of the first telescopic rod, the second cross mounting hole of the second cross arm and the second hinge hole of the second telescopic rod, so as to realize the linkage of the first telescopic rod and the second telescopic rod in the horizontal direction, and the linkage of the first cross arm and the second cross arm with the first telescopic rod and the second telescopic rod in the vertical direction. When the first telescopic rod moves in the horizontal direction through the first slot, in order to realize the movement, the hinge part of the first cross arm and the second cross arm moves in the vertical direction. Since the second telescopic rod is connected with the first cross arm through the second slot, the second telescopic rod moves in the horizontal direction following the movement of the first cross arm. Similarly, when the second telescopic rod moves in the horizontal direction through the second slot, the hinge part of the first cross arm and the second cross arm is driven to move since the second hinge hole is connected with the second cross mounting hole of the second cross arm, and the first telescopic rod moves following the movement of the first cross arm, so as to realize the synchronous movement in the horizontal direction and the synchronous movement in the vertical direction.

[0009] Further, the positioning device comprises a first positioning part and a second positioning part, the first positioning part is arranged on the scissor cross lifting frame, and the second positioning part is arranged on at least one of the first telescopic rod and the second telescopic rod, and the first positioning part is detachably connected with the second positioning part. The detachable connection of the first positioning part and the second positioning part enables the transverse telescopic rod to maintain a certain length.

[0010] Further, the first positioning part comprises a clamping strip, the clamping strip is rotatably arranged on the scissor cross lifting frame, and the clamping strip is provided with a clamping gap; the second positioning part comprises a clamping protrusion, the clamping protrusion is arranged on the edge of the first telescopic rod or the edge of the second telescopic rod; and the clamping strip is detachably clamped on the clamping protrusion through the clamping gap. The clamping protrusion is arranged on the edge of the first telescopic rod or the edge of the second telescopic rod, and when the clamping strip is detachably clamped on the clamping protrusion through the clamping gap, the first telescopic rod and the second telescopic rod can be stretched to the longest, and the scissor cross lifting frame is driven to move upward to the limit, and the wooden box can be moved between the two clamping plates; when the clamping gap of the clamping strip is separated from the clamping protrusion, the scissor cross lifting frame and the horizontal telescopic rod move downward under the action of gravity, and since the horizontal telescopic rod is connected with the scissor cross frame, the horizontal telescopic rod is retracted when descending until abutting against the wooden box, and the two clamping plates clamp the wooden box.

[0011] Further, the clamping strip is provided with a pull rope hole. The pull rope hole is used for penetrating a pull rope, and the connection between the clamping strip and the clamping protrusion is controlled through the pull rope.

[0012] Further, the scissor cross lifting frame is connected with the middle part of the horizontal telescopic rod. The scissor cross lifting frame is connected with the middle part of the horizontal telescopic rod, so that the horizontal telescopic rod is balanced when being stretched.

[0013] Further, the end of the scissor cross lifting frame away from the horizontal telescopic rod is provided with a lifting ring for being connected with a crane. The scissor cross lifting frame is connected with the crane through the lifting ring.

[0014] Further, the two ends of the horizontal telescopic rod are respectively provided with two clamping connecting rods extending in the vertical direction, and one side of the two clamping plates is respectively fixed to the two clamping connecting rods; the other side of the two clamping plates is arranged in an inclined manner, and the distance between the lower parts of the two clamping plates is smaller than the distance between the upper parts of the two clamping plates. The other side of the two clamping plates is arranged in an inclined manner from top to bottom, the wooden box is moved between the two clamping plates when the first telescopic rod and the second telescopic rod are stretched to the longest and the scissor cross lifting frame is driven to move upward to the limit, and the width of the two clamping plates is greater than the width of the wooden box; the scissor cross lifting frame and the horizontal telescopic rod move downward under the action of gravity, and since the horizontal telescopic rod is connected with the scissor cross frame, the horizontal telescopic rod is retracted when descending until abutting against the wooden box, and the two clamping plates clamp the wooden box, and the distance between the lower parts of the two clamping plates is smaller than the distance between the upper parts of the two clamping plates, so that the wooden box can be prevented from being taken out.

[0015] In order to better understand and implement, the utility model is described in detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of the box hoisting device.

[0017] Figure 2 is a structural schematic diagram of the first telescopic rod.

[0018] Figure 3 is a structural schematic diagram of the transverse telescopic rod.

[0019] Figure 4 is a structural schematic diagram of the scissor cross lifting frame.

[0020] Figure 5 is a structural schematic diagram of the box hoisting device from another angle.

[0021] Figure 6 is Figure 5 is an enlarged view of A. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be further described below in conjunction with the drawings and examples. It can be understood that the specific embodiments described herein are only used to explain the embodiments of the present application, and not to limit the embodiments of the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the embodiments of the present application are shown in the drawings, not all the structures.

[0023] In addition, the terms first, second, third and the like in the description and claims are only used for the purpose of distinguishing the same technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In addition, the terms are not necessarily described in order or time sequence. The terms are interchangeable under appropriate circumstances. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features.

[0024] Similarly, the terms "fixed", "connected" are also used in the description and claims, and should not be understood as being limited to direct connection. Therefore, the expression "device A is connected to device B" should not be limited to device A being directly connected to device B in the device or system, which means that there is a path between device A and device B, which can be a path including other devices or tools.

[0025] Example 1

[0026] The embodiments of the present application provide a box hoisting device, Figure 1 is a structural schematic diagram of the box hoisting device, please refer to Figure 1The box hoisting device comprises a scissor cross lifting frame 1, a transverse telescopic rod 2 and two clamping plates 3; the scissor cross lifting frame 1 is telescopic in the vertical direction, one end of the scissor cross lifting frame 1 is used for being connected with a crane, and the other end is connected with the transverse telescopic rod 2; when the scissor cross lifting frame 1 is telescopic in the vertical direction, the transverse telescopic rod 2 is driven to be telescopic in the horizontal direction;

[0027] The two clamping plates 3 are arranged at two ends of the transverse telescopic rod 2; the scissor cross lifting frame 1 is provided with a positioning device 4 for limiting the movement of the transverse telescopic rod 2.

[0028] In the box hoisting device provided in the embodiment, the scissor cross lifting frame 1 is telescopic in the vertical direction, the scissor cross lifting frame 1 is connected with the transverse telescopic rod 2, the transverse telescopic rod 2 is telescopic in the horizontal direction and drives the scissor cross lifting frame 1 to be telescopic in the vertical direction, the horizontal movement and the vertical movement are realized synchronously, a larger telescopic range can be realized in a limited space, the position of the clamping plate 3 is adjusted by adjusting the position of the transverse telescopic rod 2, so that the clamping plate 3 can be moved to the top of the wooden box to clamp the wooden box with a relatively large size; the positioning device 4 for limiting the movement of the transverse telescopic rod 2 is arranged on the scissor cross lifting frame 1, so that the transverse telescopic rod 2 keeps a certain length. In the box hoisting device provided in the embodiment, the height of the box hoisting device can be quickly adjusted through the telescopic movement of the transverse telescopic rod 2, different hoisting requirements can be met according to different wooden box heights, the adjustment time is reduced, and the work efficiency is improved.

[0029] Figure 2 is a structural schematic view of the first telescopic rod, Figure 3 is a structural schematic view of the transverse telescopic rod, please refer to Figures 1-3 In the embodiment, the transverse telescopic rod 2 comprises a first telescopic rod 21 and a second telescopic rod 22 arranged horizontally; the first telescopic rod 21 and the second telescopic rod 22 are oppositely arranged and can be relatively moved in the horizontal direction;

[0030] The first telescopic rod 21 is provided with a first hinged part 211 and a first moving part 212 at two ends respectively, the first hinged part 211 is hinged with the scissor cross lifting frame 1, and the first moving part 212 is horizontally movably installed on the scissor cross lifting frame 1; the second telescopic rod 22 is provided with a second hinged part 221 and a second moving part 222 at two ends respectively, the second hinged part 221 is hinged with the scissor cross lifting frame 1, and the second moving part 222 is horizontally movably installed on the scissor cross lifting frame 1; the first hinged part 211 is oppositely arranged with the second moving part 222, and the first moving part 212 is oppositely arranged with the second hinged part 221. The first hinged part 211 is fixed with the scissor cross lifting frame 1, the first moving part 212 is horizontally movably installed on the scissor cross lifting frame 1, the second hinged part 221 is fixed with the scissor cross lifting frame 1, and the second moving part 222 is horizontally movably installed on the scissor cross lifting frame 1, so that when the first moving part 212 or the second moving part 222 moves in the horizontal direction, the cross node of the scissor cross lifting frame 1 can be synchronously driven to move, and the scissor cross lifting frame 1 can be synchronously telescoped.

[0031] Figure 4 is a structural schematic diagram of the scissor cross lifting frame 1, please refer to Figures 1-4 In the embodiment,

[0032] The box body hoisting device further comprises a first hinged part (not shown in the figure) and a second hinged part (not shown in the figure);

[0033] The scissor cross lifting frame 1 comprises a first cross arm 11 and a second cross arm 12 which are cross-connected and hingedly connected, the end of the first cross arm 11 is provided with a first cross installation hole 111, and the end of the second cross arm 12 is provided with a second cross installation hole 122;

[0034] The first moving part 212 comprises a first strip-shaped hole 2122 which is provided on the first telescopic rod 21; the first hinged part 211 comprises a first hinged hole 2111 which is provided on the first telescopic rod 21;

[0035] The second hinged part 221 comprises a second hinged hole 2211 which is provided on the second telescopic rod 22, and the position of the second hinged hole 2211 corresponds to the position of the first strip-shaped hole 2122;

[0036] The second moving part 222 comprises a second strip-shaped hole 2222 which is provided on the second telescopic rod 22, and the position of the second strip-shaped hole 2222 corresponds to the position of the first hinged hole 2111;

[0037] The first cross arm 11 and the second cross arm 12 are located between the first telescopic rod 21 and the second telescopic rod 22;

[0038] The first bar-shaped hole 2122, the second cross mounting hole 122 and the second hinge hole 2211 are correspondingly positioned, and the first hinge member is arranged through the first bar-shaped hole 2122, the second cross mounting hole 122 and the second hinge hole 2211.

[0039] The first hinge hole 2111, the first cross mounting hole 111 and the second bar-shaped hole 2222 are correspondingly positioned, and the second hinge member is arranged through the first hinge hole 2111, the first cross mounting hole 111 and the second bar-shaped hole 2222.

[0040] The first bar-shaped hole 2122 is correspondingly arranged with the second hinge hole 2211, and the first hinge hole 2111 is correspondingly arranged with the second bar-shaped hole 2222, and the first hinge member is arranged through the first bar-shaped hole 2122 of the first telescopic rod 21, the second cross mounting hole 122 of the second cross arm 12 and the second hinge hole 2211 of the second telescopic rod 22, so as to realize the linkage of the first telescopic rod 21 and the second telescopic rod 22 in the horizontal direction, and the linkage of the first cross arm 11 and the second cross arm 12 with the first telescopic rod 21 and the second telescopic rod 22 in the vertical direction.

[0041] When the first telescopic rod 21 moves along the horizontal direction through the first bar-shaped hole 2122, in order to realize the movement, the hinge part of the first cross arm 11 and the second cross arm 12 moves in the vertical direction, and since the second telescopic rod 22 is connected with the first cross arm 11 through the second bar-shaped hole 2222, the second telescopic rod 22 moves in the horizontal direction following the movement of the first cross arm 11.

[0042] Similarly, when the second telescopic rod 22 moves along the horizontal direction through the second bar-shaped hole 2222, the hinge part of the first cross arm 11 and the second cross arm 12 is driven to move, and the first telescopic rod 21 moves following the movement of the first cross arm 11, so as to realize the synchronous movement in the horizontal direction and the synchronous movement in the vertical direction.

[0043] When the scissor cross lifting frame 1 rises, the movement trend of the first cross arm 11 and the second cross arm 12 pulls the first telescopic rod 21 and the second telescopic rod 22 to simultaneously elongate, and when the scissor cross lifting frame 1 descends, the movement trend of the first cross arm 11 and the second cross arm 12 drives the first telescopic rod 21 and the second telescopic rod 22 to simultaneously shorten, so as to ensure the stability of the box hoisting device in the lifting process, the synchronous extension and contraction of the first telescopic rod 21 and the second telescopic rod 22 can better maintain the overall balance, and avoid the inclination of the hoisted wooden box due to the asynchronous extension and contraction of the first telescopic rod 21 and the second telescopic rod 22.

[0044] In a specific embodiment, the middle portions of the first cross arms 11 and the second cross arms 12 are hingedly connected to form an X-shaped structure, and a mounting gap is formed between the first cross arms 11 and the second cross arms 12; to avoid interference between the first telescopic rods 21 and the second telescopic rods 22 when stretched, the number of the first cross arms 11 is two, the two first cross arms 11 are arranged in parallel, and the middle portions of the two first cross arms 11 are hingedly connected; the number of the second cross arms 12 is two, the two second cross arms 12 are arranged in parallel, and the middle portions of the two second cross arms 12 are hingedly connected; the two first cross arms 11 and the two second cross arms 12 are arranged in cross; the number of the first telescopic rods 21 is two, and the number of the second telescopic rods 22 is two; the first telescopic rods 21, the second cross arms 12, the second telescopic rods 22, the first cross arms 11, the first telescopic rods 21, the second cross arms 12, and the second telescopic rods 22 are arranged in intervals.

[0045] In another embodiment, a hydraulic cylinder is arranged between the scissor cross lifting frame 1 and the transverse telescopic rod 2, the piston rod of the hydraulic cylinder is connected with the transverse telescopic rod, and the cylinder body of the hydraulic cylinder is connected with the scissor cross lifting frame 1. When the scissor cross lifting frame 1 moves, the pressure change in the hydraulic cylinder will push the piston rod to extend or retract, thereby driving the transverse telescopic rod 2 to extend or retract, realizing linkage between the two.

[0046] Figure 5 is another angle of the structure of the box hoisting device, Figure 6 is Figure 5 A is an enlarged view of Figures 5-6 In the present embodiment, the positioning device 4 includes a first positioning portion 41 and a second positioning portion 42, the first positioning portion 41 is arranged on the scissor cross lifting frame 1, the second positioning portion 42 is arranged on at least one of the first telescopic rod 21 and the second telescopic rod 22, and the first positioning portion 41 and the second positioning portion 42 are detachably connected. The detachable connection of the first positioning portion 41 and the second positioning portion 42 enables the transverse telescopic rod 2 to maintain a certain length.

[0047] Please refer to Figures 5-6In the embodiment, the first positioning part 41 comprises a clamping strip 411, which is rotatably arranged on the scissor cross lifting frame 1, and the clamping strip 411 is provided with a clamping notch 412; the second positioning part 42 comprises a clamping protrusion 421, which is protrudingly arranged on the edge of the first telescopic rod 21 or the edge of the second telescopic rod 22; and the clamping strip 411 is detachably clamped on the clamping protrusion 421 through the clamping notch 412. The clamping protrusion 421 is protrudingly arranged on the edge of the first telescopic rod 21 or the edge of the second telescopic rod 22, and when the clamping strip 411 is detachably clamped on the clamping protrusion 421 through the clamping notch 412, at this time, the first telescopic rod 21 and the second telescopic rod 22 can be stretched to the longest, and the scissor cross lifting frame 1 is driven to move upward to the limit, at this time, the movable wooden box can be moved to between the two clamping plates 3; when the clamping notch 412 of the clamping strip 411 is separated from the clamping protrusion 421, the scissor cross lifting frame 1 and the horizontal telescopic rod move downward under the action of gravity, and since the horizontal telescopic rod is linked with the scissor cross frame, the horizontal telescopic rod is contracted when descending until abutting against the wooden box, and the two clamping plates 3 clamp the wooden box.

[0048] In an embodiment, the clamping notch 412 is arranged towards the direction of the scissor cross lifting frame 1.

[0049] In the embodiment, the clamping strip 411 is provided with a pull rope hole. The pull rope hole is used for passing through a pull rope, and the connection of the clamping strip 411 and the clamping protrusion 421 is controlled through the pull rope, and the clamping strip 411 and the clamping protrusion 421 can be separated by using the pull rope.

[0050] In the embodiment, the scissor cross lifting frame 1 is connected with the middle part of the horizontal telescopic rod 2. The scissor cross lifting frame 1 is connected with the middle part of the horizontal telescopic rod 2 to ensure that the horizontal telescopic rod 2 is balanced when being stretched.

[0051] In the embodiment, the end of the scissor cross lifting frame 1 away from the horizontal telescopic rod 2 is provided with a lifting ring 5 for connecting with a crane. The scissor cross lifting frame 1 is connected with the crane through the lifting ring 5.

[0052] In an embodiment, the lifting ring is rotatably arranged on the scissor cross lifting frame 1, and it can rotate around the scissor cross lifting frame 1.

[0053] In the embodiment, two ends of the transverse telescopic rod 2 are respectively provided with two clamping connecting rods 6 extending in the vertical direction, and one side of the two clamping plates 3 is respectively fixed to the two clamping connecting rods 6; the other side of the two clamping plates 3 is obliquely arranged, and the distance between the lower parts of the two clamping plates 3 is smaller than the distance between the upper parts of the two clamping plates 3. The other side of the two clamping plates 3 is obliquely arranged from top to bottom, when the first telescopic rod 21 and the second telescopic rod 22 can be stretched to the longest and drive the scissor cross lifting frame 1 to move upward to the limit, the wooden box is moved to between the two clamping plates 3, the width of the two clamping plates 3 is greater than the width of the wooden box; the scissor cross lifting frame 1 and the horizontal telescopic rod move downward under the action of gravity, since the horizontal telescopic rod is linked with the scissor cross frame, the horizontal telescopic rod shrinks when descending until abutting against the wooden box, the two clamping plates 3 clamp the wooden box, and the distance between the lower parts of the two clamping plates 3 is smaller than the distance between the upper parts of the two clamping plates 3, so that the wooden box can be prevented from being taken out.

[0054] In an embodiment, the clamping connecting rods 6 are obliquely arranged from top to bottom, the distance between the lower parts of the two clamping connecting rods 6 is smaller than the distance between the upper parts of the two clamping connecting rods 6, and one side of the clamping plate 3 is fixed to the clamping connecting rod 6, so that the clamping plate 3 is obliquely arranged, and the distance between the lower parts of the two clamping plates 3 is smaller than the distance between the upper parts of the two clamping plates 3.

[0055] The utility model is not limited to the above-mentioned embodiment, if various changes or deformation of the utility model do not deviate from the spirit and scope of the utility model, if these changes and deformation belong to the right claim and equivalent technical scope of the utility model, then the utility model also intends to contain these changes and deformation.

Claims

1. A box hoisting device, characterized in that: comprising a scissor cross lifting frame, a transverse telescopic rod and two clamping plates; the scissor cross lifting frame is telescopic in vertical direction, one end of the scissor cross lifting frame is used for connecting with a crane, the other end is connected with the transverse telescopic rod; when the scissor cross lifting frame is telescopic in vertical direction, the transverse telescopic rod is driven to be telescopic in horizontal direction; the two clamping plates are arranged at the two ends of the transverse telescopic rod; a positioning device for limiting the movement of the transverse telescopic rod is arranged on the scissor cross lifting frame.

2. The box hoisting device according to claim 1, characterized in that: the transverse telescopic rod comprises a first telescopic rod and a second telescopic rod arranged horizontally; the first telescopic rod and the second telescopic rod are oppositely arranged and can move relatively in horizontal direction; the two ends of the first telescopic rod are respectively provided with a first hinged part and a first moving part, the first hinged part is fixed with the scissor cross lifting frame, and the first moving part is movably installed on the scissor cross lifting frame in horizontal direction; the two ends of the second telescopic rod are respectively provided with a second hinged part and a second moving part, the second hinged part is fixed with the scissor cross lifting frame, and the second moving part is movably installed on the scissor cross lifting frame in horizontal direction; the first hinged part is oppositely arranged with the second moving part, and the first moving part is oppositely arranged with the second hinged part.

3. The box hoisting device according to claim 2, characterized in that: further comprising a first hinged piece and a second hinged piece; the scissor cross lifting frame comprises a first cross arm and a second cross arm which are cross and hinged connected, the end of the first cross arm is provided with a first cross installation hole, and the end of the second cross arm is provided with a second cross installation hole; the first moving part comprises a first slot hole provided on the first telescopic rod, and the first hinged part comprises a first hinged hole provided on the first telescopic rod; the second hinged part comprises a second hinged hole provided on the second telescopic rod, and the position of the second hinged hole corresponds to the position of the first slot hole; the second moving part comprises a second slot hole provided on the second telescopic rod, and the position of the second slot hole corresponds to the position of the first hinged hole; the first cross arm and the second cross arm are located between the first telescopic rod and the second telescopic rod; the positions of the first slot hole, the second cross installation hole and the second hinged hole correspond, and the first hinged piece is arranged through the first slot hole, the second cross installation hole and the second hinged hole; the positions of the first hinged hole, the first cross installation hole and the second slot hole correspond, and the second hinged piece is arranged through the first hinged hole, the first cross installation hole and the second slot hole.

4. The box hoisting device according to any one of claims 2-3, characterized in that: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The positioning device comprises a first positioning part and a second positioning part, the first positioning part is arranged on the scissor cross lifting frame, the second positioning part is arranged on at least one of the first telescopic rod and the second telescopic rod, and the first positioning part is detachably connected with the second positioning part.

5. The box hoisting device according to claim 4, characterized in that: The first positioning part comprises a clamping strip, the clamping strip is rotatably arranged on the scissor cross lifting frame, and the clamping strip is provided with a clamping notch; The second positioning part comprises a clamping protrusion, the clamping protrusion is protrudingly arranged on the edge of the first telescopic rod or the edge of the second telescopic rod; and the clamping strip is detachably clamped on the clamping protrusion through the clamping notch.

6. The box hoisting device according to claim 5, characterized in that: The clamping strip is provided with a pull rope hole.

7. The box hoisting device according to claim 1, characterized in that: The scissor cross lifting frame is connected with the middle part of the transverse telescopic rod.

8. The box hoisting device according to claim 1, characterized in that: The scissor cross lifting frame is provided with a lifting ring arranged at the end away from the transverse telescopic rod, and the lifting ring is used for being connected with a crane.

9. The box hoisting device according to claim 1, characterized in that: Two ends of the transverse telescopic rod are respectively provided with two clamping connecting rods extending in the vertical direction, one side of two clamping plates is respectively fixed to the two clamping connecting rods; the other side of the two clamping plates is obliquely arranged, and the distance between the lower parts of the two clamping plates is smaller than the distance between the upper parts of the two clamping plates.

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