CN216917265U - Motor underlying type elevator loading platform - Google Patents

Abstract

The utility model relates to a motor underneath type elevator cargo carrying platform which can be installed in an elevator frame in a lifting mode and comprises a cargo carrying unit, two blocking units, an installation unit and a transmission unit, wherein the cargo carrying unit is arranged on the two blocking units; wherein, both sides of the lower end of the cargo carrying unit are respectively provided with a mounting groove; the two blocking units are arranged on two sides of the cargo carrying unit and used for blocking cargos loaded on the cargo carrying unit; the mounting units are transversely arranged at two ends of the cargo carrying unit; the middle part of the transmission unit is detachably hung at the lower end of the mounting unit, and the two transmission shafts of the transmission unit respectively penetrate through the corresponding mounting grooves to be positioned at the two sides of the cargo carrying unit. The motor underneath type elevator loading platform is not limited by the height of goods, solves the problem of limitation of the storage height of goods in an intensive vertical warehouse, increases the storage positions of goods SKUs, and has good practical value and popularization and application value.

Description

Motor underlying type elevator loading platform

Technical Field

The utility model relates to the technical field of warehousing equipment, in particular to a motor underlying type elevator loading platform.

Background

In the prior logistics storage field, because the area required by storage is large, some goods can be placed at a high place or in a high-rise structure so as to improve the utilization rate of space, and a lifting machine is needed to load and unload the goods at the high place more conveniently. Most of the existing elevator cargo platforms are of a motor underneath type and a motor top type.

The existing elevator with the motor arranged on top can only determine the height of the cargo platform frame according to the heights of on-site cargos and pallets, and if the height of the cargos is higher than that of the cargo platform frame, the cargos cannot be transported or the height of the cargo platform frame cannot be increased. Under the condition of increasing the height of the cargo platform frame, the weight of the cargo platform frame can be increased, so that the load intensity of equipment is influenced, and even more, the power of a motor can be changed to ensure that the cargo platform frame normally and stably works. In addition, current motor underlying type lifting machine carries cargo bed when the installation motor, needs staff's assistance, is difficult to accomplish alone to lead to the motor installation degree of difficulty to be big, improved staff's the installation degree of difficulty.

At present, no effective solution is provided aiming at the problems that the height of the existing motor underlying type hoister loading platform is limited by goods and the motor installation difficulty is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a goods carrying table of a hoist with a lower motor, aiming at overcoming the defects in the prior art and at least solving the problems that the height of the goods carrying table of the existing hoist with the lower motor is limited by goods and the motor is difficult to install.

In order to achieve the above object, the present invention provides a cargo carrying platform of a motor underneath type elevator, which is installed in an elevator frame in a lifting manner, and comprises:

the loading unit is arranged in the frame of the lifter, and mounting grooves are respectively formed in the frames on the two sides of the lower end of the loading unit;

the two blocking units are arranged at two ends of the cargo carrying unit and used for blocking the loaded cargos on the cargo carrying unit;

the mounting unit is transversely arranged at the upper end of the cargo unit;

and the transmission unit is detachably suspended at the lower end of the mounting unit, and two output ends of the transmission unit respectively penetrate through the corresponding mounting grooves to extend to the outer parts of two sides of the cargo carrying unit and are meshed and connected with a rack element in the elevator frame.

Further, in the motor-underlying hoist cargo bed, the cargo unit includes:

the two first column elements are oppositely arranged, and the lower ends of the first column elements are provided with the mounting grooves;

the two second column elements are arranged between the two first column elements at intervals along the length direction of the first column elements and form a square structure with the two first column elements.

Further, in the motor underlying type elevator cargo bed, the lower end surface of the second column element is positioned above the lower end surface of the first column element.

Further, in the motor underlying type elevator cargo bed, the cargo unit further comprises:

and the baffle elements are arranged on the outer side walls of the first column element and the second column element and are arranged corresponding to the bottom cross beam of the lifter frame.

Further, in the motor under-deck type hoist cargo bed, the blocking unit includes:

a bracket element disposed at an end of the cargo unit;

the two inclined strut elements are obliquely arranged on two sides of the support element and are respectively and fixedly connected with the cargo unit.

Further, in the motor under-placed type hoist cargo bed, the mounting unit includes:

the mounting plate element is transversely arranged on the upper end face of the cargo unit and is fixedly connected with the transmission unit through bolts.

Further, in the motor under-positioned type elevator cargo bed, the transmission unit includes:

the motor element is arranged at the lower end of the mounting unit, and two transmission shafts of the motor element penetrate through the corresponding mounting grooves and are positioned outside two sides of the loading unit;

the four bearing elements are respectively fixedly arranged on two side walls of the cargo carrying unit and sleeved on a transmission shaft of the motor element;

and the two gear elements are correspondingly sleeved at the end parts of the two transmission shafts of the motor element and are in meshed connection with the rack element.

Further, in the motor underlying type elevator cargo bed, the transmission unit further comprises:

the base plate elements are arranged on one side, close to the cargo unit, of the corresponding bearing element, connected with the side wall of the cargo unit and sleeved with the transmission shaft of the motor element.

Further, in the motor-underlying hoist cargo bed, the cargo unit includes:

the clamping groove element is arranged on the side wall of the loading unit and is used for fixedly connecting the loading unit and the mounting unit;

the limiting element is arranged in the cargo carrying unit and located on one side of the clamping groove element, and a first threaded hole is formed in the upper end face of the limiting element and used for limiting the mounting unit.

Further, in the motor underlying type elevator cargo bed, the mounting unit further comprises:

the buckle element is arranged at the end part of the mounting unit, a second threaded hole is formed in the upper end face of the buckle element, and the buckle element is used for entering between the limiting element and the side wall of the loading unit;

the fixing element is sleeved in one end of the mounting unit in a threaded mode, penetrates through the second threaded hole and is in threaded connection with the first threaded hole, and the mounting unit is fixed to the cargo unit.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical effects:

(1) according to the goods carrying platform of the motor underneath type hoister, the transmission unit is arranged at the lower end of the goods carrying unit, so that the problem that the height of the goods carrying platform of the existing motor underneath type hoister is limited by goods is solved;

(2) after the transmission unit is installed on the cargo carrying unit by a worker, the worker installs the installation unit on the cargo carrying unit through the buckle element, the limiting element and the clamping groove element, so that the transmission unit is installed at the lower end of the cargo carrying unit, and the problem of high installation difficulty of a motor of a cargo carrying table of an existing elevator is solved;

(3) the goods carrying platform of the motor underlying type elevator is not limited by goods height, solves the problem of limitation of goods storage height of an intensive vertical warehouse, increases storage positions of goods SKUs, and has good practical value and popularization and application value.

Drawings

FIG. 1 is a view of an application scenario of a motor-driven elevator loading platform according to the present invention;

FIG. 2 is a side view of a motor-lower hoist load bed of the present invention;

FIG. 3 is a perspective view of a motor underneath type elevator load bed of the present invention;

FIGS. 4 to 6 are schematic structural diagrams (I) of a motor-underneath type elevator loading platform according to the present invention;

FIG. 7 is a schematic view of the structure of portion A in FIG. 6;

FIG. 8 is a schematic view of the structure of the portion B in FIG. 6;

FIG. 9 is a bottom view of a motor down elevator load bed of the present invention;

FIG. 10 is a schematic view of the structure of the portion C in FIG. 9;

FIG. 11 is an assembly view of a second column member and mounting unit of a motor underslung elevator load bed of the present invention;

FIG. 12 is a cross-sectional view of a second column member and mounting unit of a motor-lower elevator load bed of the present invention;

FIG. 13 is a schematic view of the structure of the portion D in FIG. 12;

wherein the reference symbols are:

100. a hoist frame; 110. a rack member;

200. a cargo carrying unit; 210. a first post element; 211. mounting grooves; 220. a second column element; 230. a baffle element; 240. a card slot element; 250. a spacing element; 251. a first threaded hole;

300. a blocking unit; 310. a stent element; 320. a bracing element;

400. a mounting unit; 410. mounting a plate member; 420. a snap element; 421. a second threaded hole; 430. a fixing element;

500. a transmission unit; 510. a motor element; 520. a bearing element; 530. a gear element; 540. a backing plate element.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and simplicity in description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Furthermore, the technical features mentioned in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

Example one

As shown in fig. 1 to 4 and 10, the present embodiment provides a motor-underneath type elevator cargo bed, which is installed in an elevator frame 100 in a lifting manner, and includes a cargo unit 200, two blocking units 300, an installation unit 400 and a transmission unit 500. The loading unit 200 is arranged in the elevator frame 100, mounting grooves 211 are respectively formed in the frames on the two sides of the lower end of the loading unit 200, and the loading unit 200 is used for bearing transfer goods; the two blocking units 300 are arranged at two sides of the cargo unit 200 and used for blocking the cargo loaded on the cargo unit 200 and avoiding the cargo from falling; the mounting units 400 are transversely arranged at two ends of the cargo unit 200 and used for providing a supporting function; the driving unit 500 is detachably mounted to the lower end of the mounting unit 400, and two output ends thereof extend to the outside of both sides of the cargo unit 200 through the corresponding mounting grooves 211, respectively, and are engaged with the rack member 110 in the hoist frame 100, for lifting and driving the cargo unit 200 to ascend or descend in the interior of the hoist frame 100.

In which the cargo unit 200 is installed inside the hoist frame 100 and used to load cargo.

In some of these embodiments, the cargo unit 200 is made of a metallic material, such as stainless steel or an aluminum alloy.

In some of these embodiments, the blocking unit 300 is generally polygonal, such as trapezoidal, square, to prevent the blocking unit 300 from tipping to either side of the cargo unit 200.

Preferably, the blocking unit 300 has an isosceles trapezoid structure as a whole.

In some of these embodiments, the barrier unit 300 is made of a metal material, such as stainless steel or an aluminum alloy.

The blocking unit 300 and the cargo unit 200 are connected by means of, but not limited to, bolts and welding.

Preferably, the blocking unit 300 is connected to the cargo unit 200 by means of a bolt connection.

The mounting unit 400 is used for mounting and fixing the transmission unit 500, so that the transmission unit 500 is prevented from being fixed everywhere.

Wherein the mounting unit 400 is provided as a plate member.

The longitudinal section of the mounting unit 400 may be U-shaped, linear, or L-shaped.

Preferably, the longitudinal section of the mounting unit 400 is provided in a linear shape.

In some of these embodiments, in the case where the longitudinal section of the mounting unit 400 is provided in a U-shape, the mounting unit 400 may be sleeved on the transmission unit 500 to fix the transmission unit 500 to the lower end of the cargo unit 200.

In some of these embodiments, in the case where the longitudinal section of the mounting unit 400 is provided in an L-shape, the mounting unit 400 may be fastened to both sides of the middle portion of the transmission unit 500 to fix the transmission unit 500 to the lower end of the cargo unit 200.

In some of these embodiments, the mounting unit 400 is made of a metal material, such as stainless steel or an aluminum alloy.

The transmission unit 500 is used to drive the cargo unit 200 to move up and down inside the elevator frame 100 to transport the cargo.

As shown in fig. 5, the cargo unit 200 includes two first column members 210 and at least two second column members 220. Wherein, the two first column elements 210 are oppositely arranged, and the bottom end of the first column element 210 is provided with a mounting groove 211; the two second pillar elements 220 are disposed between the two first pillar elements 210 at intervals along the length direction of the first pillar elements 210, and form a square structure with the two first pillar elements 210.

The lower end surface of the second column member 220 is located above the lower end surface of the first column member 210, so that the transmission unit 500 is installed and protected, and the situation that the transmission unit 500 is in contact with the ground or with an object placed on the ground due to the fact that the second column member 220 is too close to the ground is avoided.

In some embodiments, the second column elements 220 may be three and form a "zig-zag" structure with the two first column elements 210.

Wherein the first column member 210 and the second column member 220 are both provided as hollow structures to reduce the weight of the cargo unit 200 and the power required by the transmission unit 500.

Preferably, the first column element 210 and the second column element 220 are both made of stainless steel.

As shown in fig. 6, the cargo unit 200 further includes a plurality of baffle members 230, and the plurality of baffle members 230 are disposed on outer sidewalls of the first and second column members 210 and 220 and disposed corresponding to the bottom cross member of the hoist frame 100 to limit the floor height of the cargo unit 200 and prevent the cargo unit 200 from moving down too much.

Wherein the longitudinal section of the baffle element 230 is arranged to be triangular.

In particular, a number of baffle elements 230 are provided on the outer side walls of the cargo unit 200.

Preferably, each outer side wall of the cargo unit 200 is provided with two baffle elements 230.

As shown in fig. 6, the blocking unit 300 includes a bracket member 310 and two sprag members 320. Wherein the bracket member 310 is provided at an end of the cargo unit 200 for blocking cargo at an upper end of the cargo unit 200; the two diagonal bracing members 320 are disposed obliquely on both sides of the frame member 310 and are each fixedly connected to the cargo unit 200 for enhancing the stability of the frame member 310.

Wherein the frame member 310 and the two diagonal support members 320 are made of a metal material, such as stainless steel.

As shown in fig. 7, the mounting unit 400 includes a mounting plate member 410, a plurality of grommet members, and a plurality of connection members. The mounting plate element 410 is transversely arranged on the upper end surface of the cargo unit 200, a plurality of connecting holes are formed in the upper end surface of the mounting plate element 410 in a penetrating manner, and the mounting plate element 410 is used for mounting and fixing the transmission unit 500 on the cargo unit 200; the pad ring elements are correspondingly arranged in the connecting holes; a plurality of connecting elements are detachably connected to the transmission unit 500 through corresponding connecting holes for fixing the transmission unit 500 to the cargo unit 200.

The mounting plate member 410 may be attached to the cargo unit 200 by any means including, but not limited to, welding, bolting, snapping, or nesting.

The shape of the longitudinal section of the mounting plate member 410 includes, but is not limited to, U-shape, linear shape, and L-shape.

The cross section of the backing ring element is circular and used for strengthening the fixing effect of the connecting element and preventing the connecting element from entering the connecting hole and losing the fixing effect.

Wherein the connecting element includes, but is not limited to, a bolt.

The mounting unit 400 further includes two pad members, the two pad members are mounted between the mounting plate member 410 and the transmission unit 500, and the connecting members sequentially penetrate through the mounting plate member 410 and the corresponding pad members to be connected with the transmission unit 500, so as to provide a shock-absorbing and buffering effect and reduce the vibration received by the transmission unit 500.

Wherein the pad member may be made of a metal material, such as an aluminum alloy; or made of non-metal materials, such as wood, rubber and plastic.

Wherein, the pad member is provided with a through hole so that the connecting member passes through the pad member to be connected with the transmission unit 500.

As shown in fig. 7 to 10, the transmission unit 500 includes a motor element 510, a bearing element 520, and two gear elements 530. Wherein, the motor element 510 is installed at the lower end of the installation unit 400, and two transmission shafts thereof pass through the corresponding installation slots 211 and are located outside the two sides of the cargo unit 200; four bearing elements 520 are respectively fixedly arranged on two side walls of the cargo unit 200 and meshed with the rack element 110, wherein a bearing element 520 is arranged on two sides of each mounting groove 211; the two gear elements 530 are correspondingly sleeved on the ends of the two transmission shafts of the motor element 510.

Wherein the motor element 510 is mounted to the lower end of the mounting plate element 410.

The motor element 510 includes, but is not limited to, a counter-rotating motor and a reducer.

Each transmission shaft of the motor element 510 is sleeved with two bearing elements 520, and can rotate in the bearing elements 520.

Wherein, the transmission shaft of the motor element 510 is not abutted against the side wall of the mounting groove 211, so as to avoid the transmission shaft of the motor element 510 from being worn.

The gear element 530 is a gear and is driven by the transmission shaft of the motor element 510 to rotate.

Specifically, in the case of the motor element 510 operating, two transmission shafts of the motor element 510 rotate inside the corresponding two bearing elements 520, and then drive the corresponding gear elements 530 to rotate.

As shown in fig. 4, the transmission unit 500 further includes a plurality of backing members 540, the plurality of backing members 540 are mounted on the corresponding bearing members 520 near one side of the cargo unit 200 and connected to the side walls of the cargo unit 200, and are disposed around the transmission shaft of the motor member 510 to enhance the strength of the cargo unit 200 and prevent the bearing members 520 from being connected to the side walls of the cargo unit 200, so that the bearing members 520 are worn and the bearing members 520 are rotated.

The sidewall of the backing plate element 540 is provided with a slot, and the inner diameter of the slot is larger than the outer diameter of the transmission shaft of the motor element 510, so that the backing plate element 540 can be sleeved on the transmission shaft of the motor element 510, and the inner peripheral wall of the slot is not abutted against the transmission shaft of the motor element 510.

The bearing member 520 includes a bearing housing and at least two fixing bolts. Wherein, the bearing seat is arranged on the side wall of the cargo unit 200 and sleeved with the transmission shaft of the motor element 510; the two fixing bolts are arranged at the two ends of the bearing seat and detachably connected with the cargo carrying unit 200.

The bearing seat is disposed on the sidewall of the base member 540, and two fixing bolts pass through the slots formed on the base member 540 to be connected to the cargo unit 200, i.e., to the sidewall of the first column member 210.

The present embodiment enables the cargo unit 200 to transport cargo of different heights by mounting the motor member 510 to the lower end of the cargo unit 200, thereby releasing the restriction that the apparatus receives the height of the cargo.

Example two

This embodiment is a modification of embodiment 1.

As shown in fig. 11-13, the cargo unit 200 includes a catch element 240 and a stop element 250. The slot element 240 is opened on the side wall of the cargo unit 200, and is used for fixedly connecting the cargo unit 200 and the mounting unit 400; the limiting element 250 is arranged inside the cargo unit 200 and located at one side of the slot element 240, the upper end surface of the limiting element 250 is provided with a first threaded hole 251, and the limiting element 250 is used for limiting the mounting unit 400 on the cargo unit 200 so as to facilitate the installation of the mounting unit 400 and the transmission unit 500 by workers.

The longitudinal section of the limiting element 250 is L-shaped and is disposed inside the second column element 220.

The mounting unit 400 further comprises a snap element 420 and a fixing element 430. The fastening element 420 is disposed at an end of the mounting unit 400, a second threaded hole 421 is formed in an upper end surface of the fastening element 420, and the fastening element 420 is configured to enter the slot element 240 and is located between the limiting element 250 and the sidewall of the cargo unit 200 to limit the mounting unit 400 on the cargo unit 200; the fixing member 430 is threadedly disposed at an end portion of the mounting unit 400, and the fixing member 430 is threadedly coupled with the first threaded hole 251 through the second threaded hole 421 for fixing the mounting unit 400 to the cargo unit 200.

Wherein the fixing element 430 includes, but is not limited to, a bolt.

The installation procedure of this embodiment is as follows:

first, the motor element 510 is mounted to the mounting plate element 410 through a plurality of connection elements and spacer elements;

the worker inserts the snap member 420 into the interior of the pocket member 240 and moves it between the position restricting member 250 and the side wall of the cargo unit 200 with the first threaded hole 251 and the second threaded hole 421 being correspondingly configured to preliminarily restrict the mounting plate member 410 and the motor member 510 to the cargo unit 200;

the fixing member 430 is passed through the second threaded hole 421 and connected with the first threaded hole 251 to fixedly mount the mounting plate member 410 to the cargo unit 200.

The present embodiment can initially restrain the mounting unit 400, which is equipped with the motor element 510, to the cargo unit 200 by allowing the catch member 420 to pass through the catch member 240 to be restrained between the inner side walls of the restraining member 250 and the second column member 220, so that the motor element 510 can be conveniently and quickly mounted to the lower end of the cargo unit 200 without additional manual assistance.

The utility model adopts the motor to be arranged below, thereby the cargo carrying platform is not influenced by the height of the cargo, simultaneously the cargo storage positions are increased, and the cargo carrying platform can be butted with the intensive vertical warehouse with different cargo storage heights.

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

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a put formula lifting machine year goods platform under motor which characterized in that, liftable install in lifting machine frame (100), include:

the goods loading unit (200) is arranged in the elevator frame (100), and mounting grooves (211) are respectively formed in the frames on the two sides of the lower end of the goods loading unit (200);

two blocking units (300), wherein the two blocking units (300) are arranged at two ends of the loading unit (200) and are used for blocking loaded goods on the loading unit (200);

the mounting unit (400), the said mounting unit (400) is set up in the upper end of the said unit of carrying cargo (200) horizontally;

the transmission unit (500) is detachably hung at the lower end of the mounting unit (400), two output ends of the transmission unit (500) respectively penetrate through the corresponding mounting grooves (211) to extend to the outer parts of two sides of the loading unit (200), and the transmission unit is meshed and connected with a rack element (110) in the elevator frame (100).

2. The under-motor hoist cargo bed according to claim 1, characterized in that the cargo unit (200) comprises:

the two first column elements (210) are oppositely arranged, and the lower ends of the first column elements (210) are provided with the mounting grooves (211);

the two second column elements (220) are arranged between the two first column elements (210) at intervals along the length direction of the first column elements (210), and form a square structure with the two first column elements (210).

3. The motor-underneath lift truck of claim 2, characterized in that the lower end face of the second column element (220) is located above the lower end face of the first column element (210).

4. The under-motor hoist cargo bed according to claim 2, wherein the cargo unit (200) further comprises:

the baffle elements (230) are arranged on the outer side walls of the first column element (210) and the second column element (220) and correspond to the bottom cross beam of the elevator frame (100).

5. The under-motor hoist cargo bed according to claim 1, wherein the blocking unit (300) comprises:

a bracket element (310), the bracket element (310) being arranged at an end of the cargo unit (200);

the two inclined strut elements (320) are obliquely arranged on two sides of the support element (310) and are respectively fixedly connected with the cargo unit (200).

6. The under-motor hoist cargo bed according to claim 1, wherein the mounting unit (400) comprises:

a mounting plate element (410), wherein the mounting plate element (410) is arranged transversely to the upper end face of the cargo unit (200), and the mounting plate element (410) is fixedly connected with the transmission unit (500) through a bolt.

7. The under-motor hoist cargo bed according to claim 1, characterized in that the transmission unit (500) comprises:

the motor element (510) is arranged at the lower end of the mounting unit (400), and two transmission shafts of the motor element (510) penetrate through the corresponding mounting grooves (211) and are positioned outside two sides of the cargo carrying unit (200);

four bearing elements (520), wherein the four bearing elements (520) are respectively fixedly arranged on two side walls of the cargo carrying unit (200) and sleeved on a transmission shaft of the motor element (510);

the two gear elements (530) are correspondingly sleeved at the end parts of the two transmission shafts of the motor element (510) and are in meshed connection with the rack element (110).

8. The under-motor lift truck of claim 7, wherein the drive unit (500) further comprises:

the base plate elements (540) are arranged on one side, close to the cargo unit (200), of the corresponding bearing element (520), connected with the side wall of the cargo unit (200) and sleeved with the transmission shaft of the motor element (510).

9. The under-motor hoist cargo bed according to claim 1, characterized in that the cargo unit (200) comprises:

a slot element (240), said slot element (240) opening into a side wall of said cargo unit (200) for fixedly connecting said cargo unit (200) and said mounting unit (400);

the limiting element (250) is arranged inside the cargo unit (200) and located on one side of the slot element (240), and a first threaded hole (251) is formed in the upper end face of the limiting element (250) and used for limiting the mounting unit (400).

10. The under-motor hoist cargo bed according to claim 9, wherein the mounting unit (400) further comprises:

the buckle element (420) is arranged at the end part of the mounting unit (400), a second threaded hole (421) is formed in the upper end face of the buckle element (420), and the buckle element (420) is used for entering between the limiting element (250) and the side wall of the loading unit (200);

the fixing element (430) is sleeved inside one end of the mounting unit (400) in a threaded mode, and the fixing element (430) penetrates through the second threaded hole (421) to be in threaded connection with the first threaded hole (251) and is used for fixing the mounting unit (400) to the cargo unit (200).

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