CN220577330U - Movable carrying device - Google Patents

Abstract

Embodiments of the present disclosure provide a movable handling device, which relates to the technical field of transportation equipment and is used to replace manual handling of batteries, save manpower, improve handling efficiency, and can reduce or even eliminate the problems caused by insufficient manual power during the handling of batteries. Risk of battery falling. The movable handling device includes: a body, a universal wheel, a hydraulic lifting rod, and a lifting rod; the number of the universal wheels is multiple, and the plurality of universal wheels are connected to the bottom surface of the vehicle body; the hydraulic lifting rod is perpendicular to the plane where the vehicle body is located , the hydraulic lift rod has a bottom end and a top end that are arranged oppositely. The bottom end is connected to the top surface of the vehicle body, and the top end can rotate relative to the bottom end; the number of lift rods can be multiple, and the plurality of lift rods are arranged along the first The directions are arranged at intervals in sequence, and a plurality of lifting rods are connected to the above-mentioned top end. The plurality of lifting rods are used to support the battery. The above-mentioned first direction is parallel to the top surface of the vehicle body. The above-mentioned movable transporting device is used for transporting batteries.

Description

A movable handling device

Technical field

The embodiments of the present disclosure relate to the technical field of transportation equipment, and in particular, to a movable transportation device.

Background technique

The batteries used in data centers are generally lead-acid batteries. Due to the high density and heavy weight of lead-acid batteries, when transporting or replacing batteries, it is necessary to manually move the batteries onto a cart and then move the cart for transportation.

However, the current trolley structure for transporting batteries is relatively simple. It still requires manual labor to move the battery down or onto the battery rack, which is labor-intensive and has low transport efficiency. In addition, during the process of manually moving the battery down or onto the battery rack, the battery may fall. risks of.

Utility model content

The purpose of the embodiments of the present disclosure is to provide a movable handling device for replacing manual handling of batteries, saving manpower, improving handling efficiency, and reducing or even eliminating the risk of batteries falling due to insufficient manual strength during the handling of batteries. risk.

To achieve the above objectives, embodiments of the present disclosure provide the following technical solutions:

On the one hand, a movable handling device is provided. The movable handling device includes: a vehicle body, a universal wheel, a hydraulic lifting rod, and a lifting rod; the number of universal wheels is multiple, and the plurality of universal wheels are connected to the bottom surface of the vehicle body; the hydraulic lifting rod is perpendicular to where the vehicle body is located. Plane, the hydraulic lift rod has a bottom end and a top end that are arranged oppositely. The bottom end is connected to the top surface of the vehicle body, and the top end can rotate relative to the bottom end; the number of lift rods can be multiple, and the plurality of lift rods are arranged along the first Arranged at intervals in one direction, a plurality of lift rods are connected to the top end, and the plurality of lift rods are used to support the battery. The first direction is parallel to the top surface of the vehicle body.

In the above-mentioned movable handling device, a hydraulic lifting rod is arranged above the vehicle body. The top of the hydraulic lifting rod can rotate relative to the bottom end, and multiple lifting rods are connected to the top of the hydraulic lifting rod, so that the hydraulic lifting rod is relative to the vehicle body. When doing the up and down lifting action, it can drive multiple lifting rods connected to the top of the hydraulic lifting rod to move up or down. In this way, when using this movable transporting device to transport the battery from the battery rack, you can first rotate the hydraulic lifting rod and drive the lifting rod to rotate to a position facing the battery rack, so that part of the lifting rod can be inserted directly below the battery, and then the hydraulic lift The rod rises and drives the lifting rod to rise until the lifting rod lifts the battery from the battery rack. At this time, the hydraulic lifting rod is rotated to drive and support the lifting rod holding the battery to a position facing the direction of the car body, and then the hydraulic lifting rod is lowered and the lifting rod is driven down until the lifting rod places the battery on the top surface of the car body. . A plurality of universal wheels are provided under the vehicle body, so that the vehicle body and the battery placed on the top of the vehicle body can be driven to move through the universal wheels under the vehicle body, thereby realizing the function of battery transportation. The movable handling device used in the embodiment of the present application replaces manual handling of batteries, saves manpower, reduces labor costs, and improves the efficiency of handling batteries; and reduces or even eliminates the need for manual labor due to insufficient labor during the handling of batteries. The risk of battery falling increases the safety during battery transportation.

In some embodiments, the movable handling device further includes: a slide rail adjustment component connected between the top end of the hydraulic lifting rod and the lifting rod; the slide rail adjustment component includes: a first connecting rod , one end of the first connecting rod is connected to the top end of the hydraulic lift rod; a plurality of first slide rails are arranged at intervals along the first direction and extend along the second direction; a plurality of the first slide rails are arranged at intervals along the first direction and extend along the second direction; One of the slide rails is covered on the first connecting rod and is slidingly connected to the first connecting rod; the first direction and the second direction intersect; a plurality of second slide rails are arranged along the The second direction is spaced apart and extends along the first direction; the second slide rail is slidingly connected to at least two of the first slide rails; wherein a plurality of the lifting rods are respectively connected with a plurality of the first slide rails. The first slide rail is slidingly connected.

In some embodiments, the slide rail adjustment assembly further includes: a connecting piece connected between the first slide rail and the lifting rod; the lifting rod is connected to the first lifting rod through the connecting piece. The slide rail is slidably connected in a rotatable manner.

In some embodiments, the first slide rail covered on the first connecting rod is a target slide rail, and the first slide rail is provided on opposite sides of the target slide rail; the second slide rail is The rail is fixedly connected to the target slide rail and slidingly connected to each first slide rail except the target slide rail; the lifting rod is connected to a plurality of first slide rails except the target slide rail. Sliding connection.

In some embodiments, the lifting rod includes: a first sub-rod having opposite first and second ends; the first end is connected to the top end of the hydraulic lifting rod; a second sub-rod, It has an opposite third end and a fourth end; the third end is rotatably connected to the second end.

In some embodiments, the first sub-rod includes a plurality of first segmented structures connected in sequence; along the direction from the first end to the second end, two adjacent first segmented structures are respectively A first hollow rod and a second hollow rod, the first hollow rod is sleeved on the second hollow rod, and at least part of the second hollow rod can be retracted into the first hollow rod; and/ Or, the second sub-rod includes a plurality of second segmented structures connected in sequence; along the direction from the third end to the fourth end, two adjacent second segmented structures are respectively third hollow rods. and a fourth hollow rod, the third hollow rod is sleeved on the fourth hollow rod, and at least part of the fourth hollow rod can be retracted into the third hollow rod.

In some embodiments, a first annular protrusion is provided on the inner wall of the first hollow rod away from the first end, and a second annular protrusion is provided on the outer wall of the second hollow rod close to the first end. annular protrusion; when the second hollow rod is not retracted into the first hollow rod, the first annular protrusion and the second annular protrusion abut; and/or the third A third annular protrusion is provided on a portion of the inner wall of the three hollow rods away from the third end, and a fourth annular protrusion is provided on a portion of the outer wall of the fourth hollow rod close to the third end; the fourth hollow rod is provided with a fourth annular protrusion. When not retracted into the third hollow rod, the third annular protrusion and the fourth annular protrusion abut.

In some embodiments, the movable handling device further includes a first fixing member; when the second hollow rod is retracted into the first hollow rod, the first fixing member penetrates the first The hollow rod and the second hollow rod are used to limit the relative displacement between the first hollow rod and the second hollow rod; and/or the movable handling device further includes a second fixing member; When the fourth hollow rod is retracted into the third hollow rod, the second fixing member penetrates the third rod and the fourth hollow rod to limit the third hollow rod and the third hollow rod. Relative displacement between the four hollow rods.

In some embodiments, the hydraulic lifting rod includes: a rod body; and a hydraulic system rotatably connected to the bottom end of the rod body, and the hydraulic system is used to drive the rod body to rise or fall.

In some embodiments, the hydraulic system includes: a pressure rod, a force applying cylinder, a force receiving cylinder, an oil suction check valve, an oil discharge check valve, and a pressure relief valve; A piston is connected; the second piston of the force-bearing cylinder is rotatably connected to the rod; the oil suction one-way valve is used to make hydraulic oil flow one-way into the force-applying cylinder; the oil discharge one-way A valve is connected between the force-exerting cylinder and the force-receiving cylinder, and is used to make the hydraulic oil in the force-exerting cylinder flow to the force-receiving cylinder in one direction; the pressure relief valve is used to allow the hydraulic oil in the force-exerting cylinder to flow in one direction. The hydraulic oil in the stressed cylinder flows out.

In some embodiments, the vehicle body includes: a bracket; the universal wheel is connected to the bottom surface of the bracket; a vehicle panel is located on the bracket; the bottom end of the hydraulic lift rod is connected to the bottom surface of the vehicle panel The top surfaces are connected; a plurality of insulating bumps are located on the top surface of the vehicle panel.

Description of the drawings

In order to explain the technical solutions in the present disclosure more clearly, the drawings required to be used in some embodiments of the present disclosure will be briefly introduced below. Obviously, the drawings in the following description are only appendices of some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings. In addition, the drawings in the following description can be regarded as schematic diagrams and are not intended to limit the actual size of the products involved in the embodiments of the present disclosure.

Figure 1 is a structural diagram of a movable handling device of the present invention;

Figure 2 is a side view of a movable handling device of the present invention;

Figure 3 is a bottom view of a movable handling device of the present invention;

Figure 4 is a front view of a movable handling device of the present invention;

Figure 5 is a top view of a movable handling device of the present invention;

Figure 6 is a structural diagram of a slide rail adjustment assembly of the present utility model;

Figure 7 is a bottom view of a slide rail adjustment assembly of the present utility model;

Figure 8 is a front view of a slide rail adjustment assembly of the present utility model;

Figure 9 is a side view of a slide rail adjustment assembly of the present utility model;

Figure 10 is a structural diagram of a lifting rod of the present utility model;

Figure 11 is a front view of a lifting rod of the present utility model;

Figure 12 is a side view of a lifting rod of the present utility model;

Figure 13 is a top view of a lifting rod of the present utility model;

Figure 14 is a structural diagram of a first hollow rod and a second hollow rod of the present utility model;

Figure 15 is a structural diagram of a third hollow rod and a fourth hollow rod of the present utility model;

Figure 16 is a structural diagram of a hydraulic lifting rod and a first connecting rod of the utility model;

Figure 17 is a front view of a hydraulic lifting rod and a first connecting rod of the utility model;

Figure 18 is a side view of a hydraulic lifting rod and a first connecting rod of the utility model;

Figure 19 is a top view of a hydraulic lifting rod and a first connecting rod of the present utility model;

Figure 20 is a structural diagram of a hydraulic system of the present utility model;

Figure 21 is a structural diagram of a vehicle body and universal wheels of the present utility model;

Figure 22 is a front view of a vehicle body and universal wheels of the present utility model;

Figure 23 is a side view of a vehicle body and universal wheels of the present utility model;

Figure 24 is a top view of a vehicle body and universal wheels of the present utility model;

Figure 25 is a bottom view of a vehicle body and universal wheels of the present utility model.

In the picture: 1. Body; 11. Bracket; 12. Vehicle plate; 13. Insulating bump; 14. Push rod; 2. Universal wheel; 3. Hydraulic lifting rod; 31. Rod body; 32. Hydraulic system; 321. Pressure rod; 3211, force lever; 322, force cylinder; 323, force cylinder; 324, oil suction check valve; 325, oil discharge check valve; 326, pressure relief valve; 327, fuel tank; 4, lift Rod; 41, first sub-rod; 411, first end; 412, second end; 413, first segmented structure; 414, first hollow rod; 4141, first annular protrusion; 415, second hollow rod ; 4151, second annular protrusion; 42, second sub-rod; 421, third end; 422, fourth end; 423, second segmented structure; 424, third hollow rod; 4241, third annular protrusion ; 425. Fourth hollow rod; 4251. Fourth annular protrusion; 43. First fixing piece; 44. Second fixing piece; 5. Slide rail adjustment assembly; 51. First connecting rod; 52. First slide rail ; 521. Target slide rail; 53. Second slide rail; 54. Connector; 61. First through hole; 62. Second through hole; 63. Third through hole; 64. Fourth through hole; 65. Five through holes; 66, sixth through holes; 67, seventh through holes; 68, eighth through holes; 71, first piston; 72, second piston; X1, first direction; X2, second direction.

Detailed ways

The technical solutions in some embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments provided by this disclosure, all other embodiments obtained by those of ordinary skill in the art fall within the scope of protection of this disclosure.

Unless the context requires otherwise, throughout the specification and claims, the term "including" is to be interpreted in an open, inclusive sense, that is, "including, but not limited to."

The terms “first” and “second” are used for descriptive purposes only and shall not be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features.

In describing some embodiments, expressions "coupled" and "connected" and their derivatives may be used.

"A and/or B" includes the following three combinations: A only, B only, and a combination of A and B.

Example embodiments are described herein with reference to cross-sectional illustrations and/or plan views that are idealized illustrations. Accordingly, the regions shown in the figures are schematic in nature and their shapes are not intended to illustrate the actual shapes of regions of the device and are not intended to limit the scope of the exemplary embodiments.

As shown in FIGS. 1 and 2 , embodiments of the present disclosure provide a movable transport device, which includes: a vehicle body 1 , a universal wheel 2 , a hydraulic lifting rod 3 , and a lifting rod 4 .

The body 1 is used to carry the battery and the above-mentioned hydraulic lifting rod 3, lifting rod 4 and other components. Optionally, as shown in FIG. 2 , a push rod 14 can be added to the above-mentioned vehicle body 1 . The push rod 14 is arranged above the vehicle body 1 and connected to the vehicle body 1 . Here, the connection method between the push rod 14 and the vehicle body 1 is, for example, welding. The push rod 14 is used to push or pull the vehicle body 1 to move.

As shown in FIG. 2 , the number of universal wheels 2 may be multiple. The plurality of universal wheels 2 are located below the vehicle body 1 and connected to the bottom surface of the vehicle body 1 . For example, as shown in Figure 3, the number of universal wheels 2 is four. At this time, the four universal wheels 2 can be respectively disposed at the four vertex corners of the bottom surface of the vehicle body 1 . When the number of universal wheels 2 is greater than four, four of the universal wheels 2 are respectively arranged at the four vertex corners of the bottom surface of the vehicle body 1, and the remaining universal wheels 2 are spaced evenly below the bottom surface of the vehicle body 1. set up. The universal wheel 2 is used to drive the body 1 to move.

As shown in Figures 1 and 4, the above-mentioned hydraulic lift rod 3 is located above the vehicle body 1 and perpendicular to the top surface of the vehicle body 1. The above-mentioned hydraulic lifting rod 3 has a bottom end and a top end arranged oppositely. The bottom end of the hydraulic lifting rod 3 is connected to the top surface of the vehicle body 1 . The connection method between the bottom end of the hydraulic lifting rod 3 and the top surface of the vehicle body 1 is, for example, welding or bolting. The top end of the hydraulic lift rod 3 can rotate relative to its bottom end. Since the bottom end of the hydraulic lift rod 3 is connected to the vehicle body 1, the relative position of the bottom end of the hydraulic lift rod 3 and the vehicle body 1 will not change. This is equivalent to the fact that the top end of the hydraulic lift rod 3 can rotate relative to the vehicle body 1 , that is, the relative angle between the top end of the hydraulic lift rod 3 and the vehicle body 1 can be adjusted. The top end of the hydraulic lifting rod 3 can also rise or fall relative to the vehicle body 1 .

As shown in FIG. 1 , the number of the lifting rods 4 may be multiple. The plurality of lifting rods 4 are arranged at intervals along the first direction X1 , and the first direction X1 is parallel to the top surface of the vehicle body 1 . A plurality of lifting rods 4 are connected to the top of the hydraulic lifting rod 3, so that when the hydraulic lifting rod 3 moves up or down relative to the vehicle body 1, it can drive a plurality of supporting rods connected to the top of the hydraulic lifting rod 3. The lifting rod 4 simultaneously moves up or down relative to the vehicle body 1 . And when the top end of the hydraulic lift rod 3 rotates relative to its bottom end, the hydraulic lift rod 3 can drive multiple lifting rods 4 to rotate synchronously. A plurality of the lifting rods 4 are used to support the battery.

Therefore, in the movable handling device provided by some embodiments of the present disclosure, a hydraulic lifting rod 3 is provided above the vehicle body 1. The top end of the hydraulic lifting rod 3 can rotate relative to the bottom end, and is connected at the top end of the hydraulic lifting rod 3. There are a plurality of lift rods 4, so that when the hydraulic lift rod 3 moves up and down relative to the vehicle body 1, it can drive the plurality of lift rods 4 connected to the top of the hydraulic lift rod 3 to move up or down. In this way, when using the movable transport device to transport the battery from the battery rack, you can first rotate the hydraulic lifting rod 3 and drive the lifting rod 4 to rotate to a position facing the battery rack, so that a part of the lifting rod 4 can be inserted directly below the battery. Then the hydraulic lifting rod 3 rises and drives the lifting rod 4 to rise until the lifting rod 4 lifts the battery from the battery rack. At this time, the hydraulic lift rod 3 is rotated to drive and support the battery lift rod 4 to rotate to a position facing the direction of the vehicle body 1, and then the hydraulic lift rod 3 is lowered and the lift rod 4 is driven down until the lift rod 4 lifts the battery. Place it on the top surface of body 1. A plurality of universal wheels 2 are provided under the vehicle body 1, so that the vehicle body 1 and the battery placed on the top of the vehicle body 1 can be driven to move by the universal wheels 2 under the vehicle body 1, thereby realizing the function of transporting the battery. The movable handling device used in the embodiment of the present application replaces manual handling of batteries, saving manpower, reducing labor costs, and improving the efficiency of handling batteries. And it reduces or even eliminates the risk of the battery falling due to insufficient manual strength during the transportation of the battery, and improves the safety during the transportation of the battery.

In some embodiments, as shown in FIG. 5 , the above-mentioned movable handling device further includes: a slide rail adjustment assembly 5 connected between the top end of the above-mentioned hydraulic lifting rod 3 and the above-mentioned lifting rod 4 .

As shown in FIGS. 1 , 5 , and 6 , the above-mentioned slide rail adjustment assembly 5 includes: a first connecting rod 51 , a first slide rail 52 , and a second slide rail 53 .

The cross-sectional shape of the first connecting rod 51 is, for example, a rectangle, where the cross-section is perpendicular to the axis of the first connecting rod 51 . One end of the first connecting rod 51 is connected to the top end of the above-mentioned hydraulic lift rod 3 . Here, the first connecting rod 51 is connected to the hydraulic lifting rod 3 by, for example, welding or bolting. In this way, when the top end of the hydraulic lift rod 3 moves up, down or rotates relative to the bottom end, it can drive the first connecting rod 51 to move up, down or rotate.

As shown in FIG. 6 , the first slide rails 52 are arranged at intervals along the first direction X1 and extend along the second direction X2. Here, the second direction X2 intersects the first direction X1, for example, the second direction X2 is perpendicular to the first direction X1. The number of the first slide rails 52 may be multiple. One of the plurality of first slide rails 52 is covered on the first connecting rod 51 and is slidably connected to the first connecting rod 51 . That is, the plurality of first slide rails 52 are located above the first connecting rod 51 , and one of the plurality of first slide rails 52 is slidingly connected to the first connecting rod 51 . Here, the first slide rail 52 is slidably connected to the first connecting rod 51 by, for example: a slide groove is provided on the lower surface of the first slide rail 52, and the slide groove extends along the second direction X2. The cross-sectional shape of the slide groove is as follows: It is a "T" shape, where the cross section is perpendicular to the extension direction of the chute. The cross-sectional shape and size of the first connecting rod 51 (where the cross-section is perpendicular to the axis of the first connecting rod 51) are the same as the cross-sectional shape and size of the chute provided on the lower surface of the first slide rail 52 (where the cross-section is perpendicular to the axis of the chute). extension direction), so that the first connecting rod 51 can be disposed in the above-mentioned chute and realize sliding connection.

The second slide rails 53 are spaced apart along the second direction X2 and extend along the first direction X1. The number of second slide rails 53 may be multiple, and the plurality of second slide rails 53 are located above the plurality of first slide rails 52 . The second slide rail 53 is slidingly connected with at least two first slide rails 52 . Here, the second slide rail 53 is slidably connected to the first slide rail 52 by, for example: a slide groove is provided on the lower surface of the second slide rail 53 , and the slide groove extends along the first direction X1 , and the cross-sectional shape of the slide groove is as follows: It is a "T" shape, where the cross section is perpendicular to the extension direction of the chute. A slide block is provided on the upper surface of the first slide rail 52. The shape and size of the slide block are adapted to the shape and size of the slide groove provided on the lower surface of the second slide rail 53. In this way, the slide block is disposed in the above-mentioned slide groove. , can slide freely along the first direction X1, thereby driving the first slide rails 52 to slide along the first direction X1, so that in the first direction X1, the distance between the plurality of first slide rails 52 can be adjusted by sliding.

The above-mentioned plurality of lifting rods 4 are respectively slidingly connected with the plurality of first slide rails 52 . The number of lifting rods 4 and the number of first slide rails 52 may be the same or different. When the number of lift rods 4 and the number of first slide rails 52 can be the same, for example, when the number of first slide rails 52 is two, the number of lift rods 4 is also two, and one lift rod 4 corresponds to one first slide rail 52 . A slide rail 52 is slidably connected to the first slide rail 52 . The number of lifting rods 4 and the number of first slide rails 52 may be different. For example, the number of first slide rails 52 is three, the number of lifting rods 4 is two, and both lifting rods 4 are consistent with the above. Any two of the three first slide rails 52 are slidingly connected. When the first slide rail 52 slides along the first direction X1, it can drive the lifting rod 4 connected thereto to slide along the first direction X1. In this way, by sliding the plurality of first slide rails 52 , the distance between the plurality of first slide rails 52 can be adjusted, thereby adjusting the distance between the plurality of lifting rods 4 .

In the above-mentioned movable transportation device, the slide rail adjustment assembly 5 having a first connecting rod 51, a plurality of first slide rails 52, and a plurality of second slide rails 53 is provided, and the slide rail adjustment assembly 5 is arranged in the above-mentioned manner. is arranged so that the first slide rail 52 can slide along the first direction X1, thereby driving the lifting rod 4 connected with the first slide rail 52 to slide along the first direction X1, so that in the first direction The distance between the poles 4 can be adjusted by sliding, so that the lifting poles 4 can adapt to different application scenarios and lift batteries of different specifications, which improves the practicality of the movable handling device.

In some embodiments, as shown in FIGS. 6 and 7 , the above-mentioned slide rail adjustment assembly 5 further includes: a connecting piece 54 .

As shown in FIG. 4 , the above-mentioned connecting piece 54 is connected between the first slide rail 52 and the lifting rod 4 . The cross-sectional shape of the connecting member 54 is, for example, a "T" shape, where the cross-section is parallel to the first direction X1 and perpendicular to the second direction X2.

The lifting rod 4 is rotatably connected to the first slide rail 52 through a connecting piece 54 . For example, as shown in FIG. 8 , the upper end of the connecting piece 54 is located in the slide groove on the lower surface of the first slide rail 52 and can slide in the slide groove. As shown in Figure 9, the lower end of the connecting piece 54 has a first through hole 61. As shown in Figure 10, the end of the lifting rod 4 connected to the connecting piece 54 has a second through hole 62. The first through hole 61 and the The diameters of the two through holes 62 are the same. In this way, fasteners such as bolts can be passed through the second through hole 62 on the lifting rod 4 and the first through hole 61 on the connecting piece 54 at the same time, so that the lifting rod 4 and the connecting piece 54 can be connected together, and the lifting rod can be 4 can be rotated using the above-mentioned bolt as a rotation axis to achieve a rotatable connection with the first slide rail 52.

In the above-mentioned slide rail adjustment assembly 5, a connecting piece 54 is provided, and the lifting rod 4 is rotatably connected to the first slide rail 52 through the connecting piece 54, so that the lifting rod 4 can rotate relative to the first slide rail 52. , and then the angle of the lifting rod 4 can be adjusted. In this way, the angle of the lifting rod 4 can be adjusted according to the different heights of the batteries on the battery rack to lift batteries of different heights, which improves the practicality of the movable handling device.

In some embodiments, as shown in Figure 6, the first slide rail 52 covered on the first connecting rod 51 is a target slide rail 521, and first slide rails are provided on opposite sides of the target slide rail 521. 52. The second slide rail 53 is fixedly connected to the target slide rail 521 and slidingly connected to each first slide rail 52 except the target slide rail 521 . In this way, the first slide rails 52 located on both sides of the target slide rail 521 can slide toward the target slide rail 521 or away from the target slide rail 521 , thereby adjusting the distance between the plurality of first slide rails 52 . Here, the second slide rail 53 is fixedly connected to the target slide rail 521 by, for example, welding or bolting.

The lifting rod 4 is slidably connected to a plurality of first slide rails 52 except the target slide rail 521 . As shown in FIG. 6 , there is a first slide rail 52 on both sides of the target slide rail 521 . The number of lifting rods 4 is two, and the two lifting rods 4 are respectively located on both sides of the target slide rail 521 . Each lifting rod 4 corresponds to a first slide rail 52 and is slidingly connected with the first slide rail 52 . In this way, the position where the lifting rod 4 is connected to the first slide rail 52 is located on both sides of the slide rail adjustment assembly 5 , which is also equivalent to being on both sides of the position where the first connecting rod 51 is connected to the first slide rail 52 .

In the above-mentioned slide rail adjustment assembly 5, by arranging the first connecting rod 51, the first slide rail 52, the second slide rail 53, and the lifting rod 4 in the above manner, the middle part of the slide rail adjustment assembly 5 is connected to the first The rod 51 is connected so that when the slide rail adjustment assembly 5 is lifted and lowered by the hydraulic lifting rod 3, the middle part of the slide rail adjustment assembly 5 is stressed, thus preventing the slide rail adjustment assembly 5 from deflecting to one side during the lifting process. And the lifting rods 4 are arranged in the above manner so that there is a certain distance between different lifting rods 4. In this way, during the process of lifting the battery, the battery can be prevented from leaning to one side, and the stability of the lifting of the slide rail adjustment assembly 5 is improved. Lifting rod 4 Stability when lifting the battery.

In some embodiments, as shown in FIG. 10 , the above-mentioned lifting rod 4 includes: a first sub-rod 41 and a second sub-rod 42 .

The first sub-rod 41 has opposite first and second ends 411 and 412 . The above-mentioned first end 411 is connected to the top end of the hydraulic lift rod 3 . Here, the first end 411 of the first sub-rod 41 is connected to the top end of the hydraulic lift rod 3 in the following manner: the first end 411 of the first sub-rod 41 is connected to the top end of the hydraulic lift rod 3 through the slide rail adjustment assembly 5 . Specifically, the first end 411 of the first sub-rod 41 is connected to the first slide rail 52 through the connecting piece 54, the first slide rail 52 is connected to the second slide rail 53, and the second slide rail 53 is in turn connected to the target slide. The target slide rail 521 is connected to the first connecting rod 51 , and the first connecting rod 51 is connected to the top end of the hydraulic lifting rod 3 . In this way, the first end 411 of the first sub-rod 41 is connected to the top end of the hydraulic lift rod 3 .

The second sub-rod 42 has opposite third and fourth ends 421 and 422 . The third end 421 is rotatably connected to the second end 412 . For example, a third through hole 63 is provided at the third end 421 of the second sub-rod 42, and a fourth through hole 64 is provided at the second section of the first sub-rod 41. The third through hole 63 and the fourth through hole are The diameters of holes 64 are the same. By using fasteners such as bolts to pass through the third through hole 63 and the fourth through hole 64 at the same time, the second sub-rod 42 can rotate with the above-mentioned bolts as the rotation axis, thereby realizing the third end 421 of the second sub-rod 42 It is rotatably connected to the second end 412 of the first sub-rod 41 . In this way, the angle between the first sub-rod 41 and the second sub-rod 42 can be adjusted.

In the above-mentioned lifting rod 4, the first sub-rod 41 and the second sub-rod 42 are arranged in the above-mentioned manner, and the angle formed between the first sub-rod 41 and the second sub-rod 42 can be used during the process of lifting the battery. , restricting the movement of the battery. For example, when the angle between the first sub-rod 41 and the second sub-rod 42 is 90°, the bottom surface of the battery is supported by the second sub-rod 42, and one side of the battery is supported by the first sub-rod 41, so that The process of lifting the battery by the lifting rod 4 is more stable, which improves the reliability of the movable handling device for lifting the battery.

In some embodiments, as shown in FIG. 11 , FIG. 12 , and FIG. 13 , the above-mentioned first sub-rod 41 includes: a first segmented structure 413 .

As shown in FIGS. 11 and 12 , there are multiple first segment structures 413 . Along the direction in which the first end 411 of the first sub-rod 41 points to the second end 412 of the first sub-rod 41, the two adjacent first segmented structures 413 are respectively the first hollow rod 414 and the second hollow rod 415. . The first hollow rod 414 is sleeved on the second hollow rod 415, and at least part of the second hollow rod 415 can be retracted into the first hollow rod 414. The cross-sectional shape of the first hollow rod 414 is similar to a "return" shape, and the cross-sectional shape of the second hollow rod 415 is similar to the cross-sectional shape of the first hollow rod 414 . The inner contour line of the cross-sectional pattern of the first hollow rod 414 is consistent with or has a certain gap between the outer contour line of the cross-sectional pattern of the second hollow rod 415. The above-mentioned cross-section is perpendicular to the axes of the first hollow rod 414 and the second hollow rod 415. .

In the above-mentioned first sub-rod 41, the structure of the first sub-rod 41 is configured as a plurality of first segmented structures 413, and two adjacent first segmented structures 413 are configured as a third segmented structure that can be nested together. A hollow rod 414 and a second hollow rod 415, so that the second hollow rod 415 can be retracted into the first hollow rod 414, so that the length of the first sub-rod 41 can be adjusted by telescopically extending the first hollow rod 414 and the second hollow rod 415. Adjustment, in this way, the length of the first sub-rod 41 can be adjusted according to the placement height of different batteries, making it more convenient for the lifting rod 4 to lift the battery, and improving the convenience when using the movable transportation device.

Optionally, as shown in FIGS. 12 and 13 , the second sub-rod 42 includes: a second segmented structure 423 .

The number of second section structures 423 is multiple. Along the direction in which the third end 421 of the second sub-rod 42 points to the fourth end 422 of the second sub-rod 42, the two adjacent second segment structures 423 are respectively the third hollow rod 424 and the fourth hollow rod 425. . The third hollow rod 424 is sleeved on the fourth hollow rod 425 , and at least part of the fourth hollow rod 425 can be retracted into the interior of the third hollow rod 424 . The cross-sectional shape of the third hollow rod 424 is similar to a "return" shape, and the cross-sectional shape of the fourth hollow rod 425 is similar to the cross-sectional shape of the first hollow rod 414 . The inner contour line of the cross-sectional pattern of the third hollow rod 424 is consistent with or has a certain gap between the outer contour line of the cross-sectional pattern of the fourth hollow rod 425. The above-mentioned cross-section is perpendicular to the axes of the third hollow rod 424 and the fourth hollow rod 425. .

In the above-mentioned second sub-rod 42, the structure of the second sub-rod 42 is configured as a plurality of second segmented structures 423, and two adjacent second segmented structures 423 are configured as a third segmented structure that can be nested together. The third hollow rod 424 and the fourth hollow rod 425 allow the fourth hollow rod 425 to retract into the third hollow rod 424, so that the length of the second sub-rod 42 can be adjusted by telescopically extending the third hollow rod 424 and the fourth hollow rod 425. Adjustment, in this way, the length of the second sub-rod 42 can be adjusted according to different battery specifications, making it more convenient for the lifting rod 4 to lift the battery, and improving the convenience when using the movable transport device.

In some embodiments, as shown in Figure 14, (b) in Figure 14 is a cross-sectional view of (a) in Figure 14 along the A-A direction, the first hollow rod 414 has a first annular protrusion 4141, and the second The hollow rod 415 has a second annular protrusion 4151 .

The first annular protrusion 4141 is provided on the inner wall of the first hollow rod 414 away from the first end 411 . The cross-sectional shape of the first annular protrusion 4141 is similar to a "return" shape.

The second annular protrusion 4151 is provided on a portion of the outer wall of the second hollow rod 415 close to the first end 411 . The cross-sectional shape of the second annular protrusion 4151 is similar to a "return" shape.

When the second hollow rod 415 is not retracted into the first hollow rod 414, the first annular protrusion 4141 and the second annular protrusion 4151 abut. The inner side wall of the first annular protrusion 4141 is in contact with the outer side wall of the second hollow rod 415 or has a certain gap; the outer side wall of the second annular protrusion 4151 is in contact with the inner side wall of the first hollow rod 414 or has a certain gap.

In this way, when the second hollow rod 415 is in a state that is not retracted into the first hollow rod 414, the first annular protrusion 4141 and the second annular protrusion 4151 contact and thereby limit the movement of the second hollow rod 415, preventing the movable device from being held up. When lifting the battery, the second hollow rod 415 is detached from the inside of the first hollow rod 414, which improves the firmness of the first sub-rod 41, thereby improving the safety of the movable transport device when lifting the battery.

Optionally, as shown in Figure 15, (b) in Figure 15 is a cross-sectional view of (a) in Figure 15 along the B-B direction, the third hollow rod 424 has a third annular protrusion 4241, and the fourth hollow rod 425 has a fourth annular protrusion 4251.

The third annular protrusion 4241 is provided on the inner wall of the third hollow rod 424 away from the third end 421 . The cross-sectional shape of the third annular protrusion 4241 is similar to a "return" shape.

The fourth annular protrusion 4251 is provided on a portion of the outer wall of the fourth hollow rod 425 close to the third end 421 . The cross-sectional shape of the fourth annular protrusion 4251 is similar to a "back" shape.

When the fourth hollow rod 425 is not retracted into the third hollow rod 424, the third annular protrusion 4241 and the fourth annular protrusion 4251 abut. The inner wall of the third annular protrusion 4241 is in contact with the outer wall of the fourth hollow rod 425 or has a certain gap; the outer wall of the fourth annular protrusion 4251 is in contact with the inner wall of the third hollow rod 424 or has a certain gap.

In this way, when the fourth hollow rod 425 is in the state of not retracting into the third hollow rod 424, the third annular protrusion 4241 and the fourth annular protrusion 4251 contact and thereby limit the movement of the fourth hollow rod 425, preventing the movable device from being held up. When lifting the battery, the fourth hollow rod 425 is detached from the inside of the third hollow rod 424, which improves the firmness of the second sub-rod 42, thereby improving the safety of the movable transport device when lifting the battery.

In some embodiments, as shown in FIG. 14 , the above-mentioned movable carrying device further includes: a first fixing member 43 .

The first fixing member 43 is, for example, a bolt or a pin. When the second hollow rod 415 is retracted into the first hollow rod 414, the first fixing member 43 penetrates the first hollow rod 414 and the second hollow rod 415, which can limit the first hollow rod 414 and the second hollow rod 415. Relative displacement between rods 415.

Specifically, a fifth through hole 65 is provided on the first hollow rod 414, and a sixth through hole 66 is provided on the second hollow rod 415. The fifth through hole 65 and the sixth through hole 66 are respectively perpendicular to the first hollow rod 414. The axes of the hollow rod 414 and the second hollow rod 415. The fifth through hole 65 penetrates the first hollow rod 414 , and the sixth through hole 66 penetrates the second hollow rod 415 . The diameters of the fifth through hole 65 and the sixth through hole 66 are the same as the diameter of the first fixing part 43 . The first fixing member 43 is inserted into the fifth through hole 65 and the sixth through hole 66 at the same time, and will penetrate the first hollow rod 414 and the second hollow rod 415 at the same time. When the first hollow rod 414 and the second hollow rod 415 are relatively displaced, It will offset the first fixing part 43, so that the first fixing part 43 limits the relative displacement of the first hollow rod 414 and the second hollow rod 415.

This can prevent the second hollow rod 415 from moving due to external force after the second hollow rod 415 is retracted into the first hollow rod 414, improves the stability of the length of the first sub-rod 41, and allows the movable transport device to lift the battery. more stable.

Optionally, as shown in FIG. 15 , the above-mentioned movable transportation device further includes: a second fixing member 44 .

The second fixing member 44 is, for example, a bolt or a pin. When the fourth hollow rod 425 is retracted into the third hollow rod 424, the second fixing member 44 penetrates the third hollow rod 424 and the fourth hollow rod 425, which can limit the third hollow rod 424 and the fourth hollow rod 425. Relative displacement between rods 425. Specifically, a seventh through hole 67 is provided on the third hollow rod 424, and an eighth through hole 68 is provided on the fourth hollow rod 425. The seventh through hole 67 and the eighth through hole 68 are respectively perpendicular to the third hollow rod. The axis of the rod 424 and the fourth hollow rod 425. The seventh through hole 67 penetrates the third hollow rod 424 , and the eighth through hole 68 penetrates the fourth hollow rod 425 . The diameters of the seventh through hole 67 and the eighth through hole 68 are the same as the diameter of the second fixing part 44 . The second fixing member 44 is inserted into the seventh through hole 67 and the eighth through hole 68 at the same time, and will penetrate the third hollow rod 424 and the fourth hollow rod 425 at the same time. When the third hollow rod 424 and the fourth hollow rod 425 are relatively displaced, It will offset the second fixing part 44, so that the second fixing part 44 limits the relative displacement of the third hollow rod 424 and the fourth hollow rod 425.

This can prevent the fourth hollow rod 425 from moving due to external force after the fourth hollow rod 425 is retracted into the third hollow rod 424, improves the stability of the length of the second sub-rod 42, and further improves the movable handling device. Stability when lifting the battery.

In some embodiments, as shown in Figures 16, 17, and 18, the above-mentioned hydraulic lifting rod 3 includes: a rod body 31 and a hydraulic system 32.

The cross-sectional shape of the above-mentioned rod body 31 is, for example, circular or rectangular, where the cross-section is perpendicular to the axis of the rod body 31 . The rod body 31 has opposite bottom ends and top ends.

The above-mentioned hydraulic system 32 is rotatably connected to the bottom end of the rod body 31 . For example: a short column is provided on the hydraulic system 32, and the short column is a cylinder; a cylindrical groove is provided at the bottom end of the rod 31, and the cylindrical groove matches the above-mentioned short column, so that the hydraulic system 32 The short column can be inserted into the groove at the bottom of the rod body 31. There is no obstruction between the cylindrical groove and the above-mentioned short column, so that the rod body 31 can rotate. The above-mentioned hydraulic system 32 is used to drive the rod body 31 to perform an upward or downward movement.

In the above-mentioned movable transportation device, by arranging the structure of the hydraulic lifting rod 3 to a rod body 31 and a hydraulic system 32, the structure of the hydraulic lifting rod 3 is simplified and is easy to disassemble, assemble, and maintain.

In some embodiments, as shown in Figures 18, 19, and 20, the above-mentioned hydraulic system 32 includes: a pressure rod 321, a force applying cylinder 322, a force receiving cylinder 323, an oil suction check valve 324, and an oil discharge check valve 325. , pressure relief valve 326.

The above-mentioned force applying cylinder 322 has a first piston 71 , and the force receiving cylinder 323 has a second piston 72 .

The above pressure rod 321 is connected to the first piston 71 of the force application cylinder 322. The connection method between the pressure rod 321 and the first piston 71 of the force application cylinder 322 is, for example: the pressure rod 321 also has a force application rod 3211. One end of the rod 3211 is connected to the middle part of the pressure rod 321 through bolts, and the other end of the force applying rod 3211 is connected to the first piston 71 of the force applying cylinder 322 through bolts.

The second piston 72 of the force-bearing cylinder 323 is rotatably connected to the rod 31 . For example: a short column is provided on the second piston 72 of the force-bearing oil cylinder 323, and the short column is a cylinder. A cylindrical groove is provided at the bottom end of the rod body 31, and the cylindrical groove matches the above-mentioned short column, so that the short column on the second piston 72 of the force-bearing cylinder 323 can be inserted into the groove at the bottom end of the rod body 31. , there is no obstruction between the cylindrical groove and the above-mentioned short column, so that the rod body 31 can rotate.

As shown in FIG. 20 , the hydraulic system 32 also includes: a fuel tank 327 .

The above-mentioned oil suction check valve 324 is connected between the oil tank 327 and the force applying cylinder 322, and is used to make the hydraulic oil flow from the oil tank 327 to the force applying cylinder 322 in one direction.

The above-mentioned oil discharge check valve 325 is connected between the force-exerting cylinder 322 and the force-receiving cylinder 323, and is used to allow hydraulic oil to flow from the force-exerting cylinder 322 to the force-receiving cylinder 323 in one direction.

The pressure relief valve 326 is connected between the forced oil cylinder 323 and the oil tank 327 to allow hydraulic oil to flow back from the forced oil cylinder 323 to the oil tank 327 .

Therefore, the specific working process of the hydraulic system 32 is as follows: when the pressure rod 321 is lifted upward, the pressure rod 321 drives the first piston 71 of the force applying cylinder 322 to move upward. At this time, the oil suction check valve 324 is turned on, so that hydraulic oil can be sucked into the force-exerting cylinder 322 from the oil tank 327 . The oil discharge check valve 325 is closed, so that the hydraulic oil in the force-receiving cylinder 323 will not be sucked into the force-exerting cylinder 322 . When the pressure rod 321 is pressed downward, the pressure rod 321 drives the first piston 71 of the force applying cylinder 322 to move downward. At this time, the oil discharge check valve 325 is turned on, so that the hydraulic oil in the force-applying cylinder 322 can be pressed into the force-bearing cylinder 323. The second piston 72 of the force-bearing cylinder 323 will receive the upward pressure of the hydraulic oil, thereby driving The rod 31 connected to the second piston 72 of the force-bearing cylinder 323 moves upward. The oil suction check valve 324 is closed, so that the hydraulic oil in the force cylinder 322 will not flow back into the oil tank 327 . When the pressure relief valve 326 is opened, the hydraulic oil in the force cylinder 323 flows back to the oil tank 327, and the oil discharge check valve 325 is closed at the same time, so that the hydraulic oil does not flow back into the force cylinder 322. At this time, the second piston 72 of the force-bearing cylinder 323 does not receive upward pressure from the hydraulic oil, and the second piston 72 of the force-bearing cylinder 323 descends under the action of gravity, thereby driving the rod 31 connected to the second piston 72 of the force-bearing cylinder 323 Make a descending motion.

In the above hydraulic system 32, by setting the pressure rod 321, the force applying cylinder 322, the force receiving cylinder 323, the oil suction check valve 324, the oil discharge check valve 325, the pressure relief valve 326, and setting them according to the above setting method, so that through Lifting or pressing down the pressure rod 321 can realize the lifting or descending action of the rod body 31. The structure is simple and the operation is convenient, making the movable transport device convenient to use.

In some embodiments, as shown in FIGS. 21 , 22 , 23 , 24 , and 25 , the above-mentioned vehicle body 1 includes: a bracket 11 , a vehicle panel 12 , and an insulating bump 13 .

As shown in FIG. 25 , the bracket 11 is, for example, a "field"-shaped or nine-square grid-shaped frame structure. The above-mentioned universal wheel 2 is connected to the bottom surface of the bracket 11 .

The vehicle panel 12 is, for example, a rectangular plate-shaped structure. The vehicle panel 12 is located on the above-mentioned bracket 11 and is connected to the bracket 11 . Here, the vehicle panel 12 and the bracket 11 are connected by welding or bolting, for example. The bottom end of the above-mentioned hydraulic lift rod 3 is connected with the top surface of the vehicle panel 12 .

The insulating bump 13 is, for example, a hemisphere or a cube. The number of insulating bumps 13 is multiple. The plurality of insulating bumps 13 are located on the top surface of the vehicle panel 12 and are evenly spaced. In the above-mentioned movable transport device, the structure of the vehicle body 1 is configured as a bracket 11 and a vehicle panel 12, so that the bracket 11 can provide support for the vehicle body 1 to support the hydraulic lifting rod 3 and other devices on the vehicle body 1, thereby improving the stability of the vehicle body 1. The strength enhances the load-bearing capacity of the body 1. By arranging a plurality of insulating bumps 13 on the vehicle body 1, it is possible to prevent the battery from leaking electricity when placed on the vehicle body 1 and injuring workers, thus improving the safety when using the movable handling device.

The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any changes or substitutions that come to mind within the technical scope disclosed by the present disclosure by any person familiar with the technical field should be covered. within the scope of this disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims (11)

1. A movable transport device, characterized in that the movable transport device includes: car body; A plurality of universal wheels connected to the bottom surface of the vehicle body; Hydraulic lift rod, perpendicular to the top surface of the vehicle body; the hydraulic lift rod has a bottom end and a top end arranged oppositely, the bottom end is connected to the top surface of the vehicle body, and the top end can be relative to the bottom end turn; turn A plurality of lifting rods are arranged at intervals along a first direction; a plurality of lifting rods are connected to the top end; a plurality of lifting rods are used to support batteries; the first direction is parallel to the The top surface of the car body. 2. The movable handling device according to claim 1, characterized in that the movable handling device further includes: a slide rail adjustment assembly connected between the top end of the hydraulic lifting rod and the lifting rod; The slide rail adjustment assembly includes: A first connecting rod, one end of the first connecting rod is connected to the top end of the hydraulic lifting rod; A plurality of first slide rails are arranged at intervals along the first direction and extend along the second direction; one of the plurality of first slide rails is covered on the first connecting rod and connected with the first connecting rod. The first connecting rod is slidingly connected; the first direction and the second direction intersect; A plurality of second slide rails are spaced apart along the second direction and extend along the first direction; the second slide rails are slidingly connected to at least two of the first slide rails; Wherein, a plurality of lifting rods are respectively slidingly connected to a plurality of first slide rails. 3. The movable handling device according to claim 2, wherein the slide rail adjustment assembly further includes: a connecting piece connected between the first slide rail and the lifting rod; The lifting rod is rotatably and slidingly connected to the first slide rail through the connecting piece. 4. The movable transport device according to claim 2, wherein the first slide rail covered on the first connecting rod is a target slide rail, and opposite sides of the target slide rail are provided with The first slide rail; The second slide rail is fixedly connected to the target slide rail and slidingly connected to each first slide rail except the target slide rail; The lifting rod is slidingly connected to a plurality of first slide rails except the target slide rail. 5. The movable handling device according to claim 1, wherein the lifting rod includes: A first sub-rod has an opposite first end and a second end; the first end is connected to the top end of the hydraulic lift rod; The second sub-rod has an opposite third end and a fourth end; the third end is rotatably connected to the second end. 6. The movable handling device according to claim 5, wherein the first sub-rod includes a plurality of first segmented structures connected in sequence; along the direction of the first end pointing to the second end, The two adjacent first segmented structures are respectively a first hollow rod and a second hollow rod. The first hollow rod is sleeved on the second hollow rod, and at least part of the second hollow rod can retract into the first hollow rod; and / or, The second sub-rod includes a plurality of second segmented structures connected in sequence; along the direction from the third end to the fourth end, two adjacent second segmented structures are a third hollow rod and a third segmented structure respectively. Four hollow rods, the third hollow rod is sleeved on the fourth hollow rod, and at least part of the fourth hollow rod can be retracted into the third hollow rod. 7. The movable handling device according to claim 6, wherein a first annular protrusion is provided on the inner wall of the part of the first hollow rod away from the first end, and the second hollow rod is close to the first end. A second annular protrusion is provided on part of the outer wall of the first end; when the second hollow rod is not retracted into the first hollow rod, the first annular protrusion and the second annular protrusion The protrusions abut each other; and / or, A third annular protrusion is provided on the inner wall of the third hollow rod away from the third end, and a fourth annular protrusion is provided on the outer wall of the fourth hollow rod close to the third end; When the four hollow rods are not retracted into the third hollow rod, the third annular protrusion and the fourth annular protrusion abut. 8. The movable handling device according to claim 6, wherein the movable handling device further includes a first fixing member; When the second hollow rod is retracted into the first hollow rod, the first fixing member penetrates the first hollow rod and the second hollow rod to limit the first hollow rod and the second hollow rod. The relative displacement between the second hollow rods; and / or, The movable handling device also includes a second fixing member; When the fourth hollow rod is retracted into the third hollow rod, the second fixing member penetrates the third hollow rod and the fourth hollow rod to limit the third hollow rod and the fourth hollow rod. The relative displacement between the fourth hollow rods. 9. The movable handling device according to claim 1, wherein the hydraulic lifting rod includes: rod body; A hydraulic system is rotatably connected to the bottom end of the rod body, and the hydraulic system is used to drive the rod body to rise or fall. 10. The movable handling device according to claim 9, characterized in that the hydraulic system includes: a pressure rod, a force applying cylinder, a force receiving cylinder, an oil suction check valve, an oil discharge check valve, and a pressure relief valve; The pressure rod is connected to the first piston of the force-applying cylinder; The second piston of the force-bearing cylinder is rotatably connected to the rod body; The oil suction check valve is used to allow hydraulic oil to flow in one direction into the force-applying cylinder; The oil discharge check valve is connected between the force-applying cylinder and the force-receiving cylinder, and is used to make the hydraulic oil in the force-applying cylinder flow in one direction to the force-receiving cylinder; The pressure relief valve is used to allow the hydraulic oil in the stressed oil cylinder to flow out. 11. The movable handling device according to claim 1, wherein the vehicle body includes: Bracket; the universal wheel is connected to the bottom surface of the bracket; The vehicle plate is located on the bracket; the bottom end of the hydraulic lift rod is connected to the top surface of the vehicle plate; A plurality of insulating bumps are located on the top surface of the vehicle panel.