CN114590299A

CN114590299A - Indoor cabinet carrier

Info

Publication number: CN114590299A
Application number: CN202210172077.1A
Authority: CN
Inventors: 王聪; 赵波波; 曹德胜; 陈栋; 王姗姗; 刘丙鹏; 杨刚; 韩超; 李强; 耿藏军; 尤猛; 杨立辉; 杨国鑫; 王照涵; 李靖靖; 王春月; 张盼
Original assignee: China Railway Construction Electrification Bureau Group Co Ltd; Third Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Current assignee: China Railway Construction Electrification Bureau Group Co Ltd; Third Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-06-07
Anticipated expiration: 2042-02-24
Also published as: CN114590299B

Abstract

The invention relates to an indoor cabinet carrier which comprises a frame, two groups of driving structures and a traveling structure, wherein the frame is provided with a hollow cavity with openings at two ends, at least one side wall of the hollow cavity can be opened and closed, and the shape of the hollow cavity is matched with the outline of a cabinet; two sets of drive structure fix respectively on two relative outer walls of frame, each group drive structure's bottom all has the loading board, two sets of loading boards all extend inwards along the direction of keeping away from corresponding drive structure towards, and all be located the cavity, each group drive structure is used for driving the loading board that corresponds and moves along the direction of height of frame from top to bottom, in order to lift the rack that bears on the loading board to predetermineeing the position, only need one to two people just can accomplish the transport work of rack, the cost of labor and operating space have been saved, high operating efficiency, and simultaneously, at the in-process of transport, can support the rack reliable and stable, avoided to a certain extent to topple over the emergence that leads to personnel's injury because of carelessness, the incident such as loss of property, and the security is good.

Description

Indoor cabinet carrier

Technical Field

The utility model relates to a rack auxiliary assembly technical field especially relates to an indoor cabinet carrier.

Background

In recent years, the state has been vigorously developing railway infrastructure construction, and along with the steady improvement of the related technology, the integration of various systems is gradually huge, so that the volume of four-electric professional indoor equipment such as a cabinet is more and more huge, the weight can reach hundreds of kilograms, and the transportation is very inconvenient.

However, in the prior art, often many people surround the rack and mutually cooperate to carry out manual carrying, and the occupied operation space is relatively large, the labor cost is high, the work efficiency is low, and meanwhile, if the cabinet is carelessly toppled, safety accidents such as personal injury and property loss can be caused, and the safety is poor.

Disclosure of Invention

In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides an indoor cabinet truck.

The utility model provides an indoor cabinet carrier, which comprises a frame, two groups of driving structures and a walking structure arranged at the bottom end of the frame;

the frame is provided with a hollow cavity with two open ends, at least one side wall of the hollow cavity can be opened and closed, and the shape of the hollow cavity is matched with the outer contour of the cabinet to be carried; the two groups of driving structures are respectively fixed on two opposite outer walls of the frame, a bearing plate for bearing a cabinet is arranged at the bottom end of each group of driving structures, and the two groups of bearing plates extend inwards in the direction away from the corresponding driving structures and are positioned in the hollow cavity;

each group of driving structures is used for driving the corresponding bearing plate to move up and down along the height direction of the frame so as to lift the cabinet loaded on the bearing plate to a preset position.

Further, the frame comprises a support frame and a connecting rod;

the two support frames are oppositely arranged, the connecting rods are arranged between two side walls of the two support frames, and the support frames and the connecting rods jointly enclose to form the hollow cavity;

at least one end of the connecting rod is detachably connected with the corresponding support frame.

Furthermore, each connecting rod all includes the first body of rod and overlaps and establish the second body of rod in the first body of rod, the second body of rod is followed the axial of the first body of rod is portable to the length of adjustment connecting rod.

Furthermore, the connecting rods positioned on the same side are at least two, and the at least two connecting rods are arranged at intervals along the height direction of the supporting frame.

Further, each driving structure comprises a driving piece and a lifting assembly;

the lifting assembly is arranged on the frame in the height direction of the frame, the bearing plate is fixed to the bottom end of the lifting assembly, the driving piece is fixed to the frame relatively, and the transmission end of the driving piece is fixed to the top end of the lifting assembly and used for driving the lifting assembly to move up and down in the height direction of the frame.

Further, the lifting assembly comprises a horizontal rod and at least two vertical rods;

at least two vertical rods are arranged at intervals along the length direction or the width direction of the frame, mounting holes matched with the vertical rods are formed in the outer wall of the frame, the top end of each vertical rod is fixed relative to the horizontal rod, the bottom end of each vertical rod is arranged in the corresponding mounting hole in a penetrating mode, and the transmission end of the driving piece is fixed relative to the horizontal rod;

the bottom of each horizontal rod all is provided with one the loading board.

Furthermore, a first protective layer is arranged on one surface, close to the hollow cavity, of the horizontal rod.

Furthermore, a second protective layer is arranged on one surface of the frame, which is close to the hollow cavity.

Further, the heights of the top surfaces of the bearing plates are the same.

Further, the walking structure comprises a universal wheel, and a locking structure used for limiting is arranged on the universal wheel.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

according to the indoor cabinet carrier, the frame and the two groups of driving structures are arranged, the walking structure is arranged at the bottom end of the frame, the frame is provided with the hollow cavity with two open ends, at least one side wall of the hollow cavity can be opened and closed, and the shape of the hollow cavity is matched with the outline of a cabinet to be carried; two sets of drive structure fix respectively on two relative outer walls of frame, and each bottom of organizing the drive structure all has the loading board that is used for bearing the rack, and two sets of loading boards all extend inwards along the direction of keeping away from the drive structure that corresponds to all be located the cavity, and each is organized the drive structure and is used for driving the loading board that corresponds and removes along the direction of height of frame from top to bottom, in order to lift the rack that will bear on the loading board to preset the position. When the indoor cabinet carrier is carried, one side wall of the hollow cavity is opened, the indoor cabinet carrier provided by the disclosure is moved, the cabinet to be carried is located in the hollow cavity, the bearing plate is abutted to the bottom of the cabinet, the opened side wall is closed, and then the driving structure drives the bearing plate to move upwards along the height direction of the frame, so that the cabinet borne on the bearing plate is suspended; and then, the indoor cabinet carrier is pushed to the designated position, the bearing plate is driven to move downwards along the height direction of the frame to the preset position to be installed through the driving structure, and the indoor cabinet carrier is taken out for subsequent use. Based on this, the indoor rack carrier that this embodiment provided only needs one to two people just can accomplish the transport work of rack, has saved cost of labor and operating space, and work efficiency is high, simultaneously, at the in-process of transport, can support stable and reliable with the rack, has avoided to a certain extent because of carelessly empting the emergence that leads to incident such as personnel's injury, loss of property, the security is good.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a front view of an indoor cabinet cart according to an embodiment of the present disclosure;

fig. 2 is a side view of an indoor cabinet cart according to an embodiment of the present disclosure.

Wherein, 1-a frame; 11-a support frame; 12-a connecting rod; 121-a first stick; 122-a second stick body; 13-a hollow cavity; 2-a drive structure; 21-a drive member; 22-a lifting assembly; 221-horizontal bar; 222-a vertical rod; 3-a walking structure; 31-universal wheels; 32-a locking structure; 4-carrying plate.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Referring to fig. 1 and 2, the present embodiment provides an indoor cabinet carrier (hereinafter referred to as a carrier), which includes a frame 1, two sets of driving structures 2, and a traveling structure 3 disposed at a bottom end of the frame 1, where the frame 1 has a hollow cavity 13 with openings at two ends, and a shape of the hollow cavity 13 matches an outer contour of a cabinet to be carried, so that when the cabinet is placed in the hollow cavity 13, a sidewall of the hollow cavity 13 can firmly and stably clamp the cabinet, and the cabinet can be effectively prevented from toppling over during a carrying process. Two sets of drive structure 2 are fixed respectively on two relative outer walls of frame 1, and each bottom of organizing drive structure 2 all is provided with the loading board 4 that is used for bearing the rack, and two sets of loading boards 4 all extend inwards along the direction of keeping away from corresponding drive structure 2 towards, and all lie in well cavity 13, and each is organized drive structure 2 and is used for driving loading board 4 that corresponds to remove along the direction of height of frame 1 from top to bottom, in order to bear the rack lift to predetermineeing the position on loading board 4.

It will be readily appreciated by those of ordinary skill in the art that for moisture and water resistance, cabinets are typically placed on a base or foundation. An avoiding groove for placing a carrying tool is usually formed in the base or the base, so that the cabinet is convenient to carry.

In this embodiment, the frame 1 may have any suitable structure as long as the hollow cavity 13 is matched with the outer contour of the cabinet, and at least one sidewall of the hollow cavity 13 can be opened and closed, so that the bearing performance is good, the strength is high, and no limitation is made here.

Wherein, because the rack is higher, so well cavity 13's open-top is convenient to put into well cavity 13 with the rack, simultaneously, set up well cavity 13 top to the ascending removal of opening can not limit the rack, reasonable in design, convenient to use.

In addition, the bottom of the hollow cavity 13 is provided with an opening, on one hand, the opening is used for avoiding a base or a base for installing the cabinet, so that when the cabinet is carried, the carrying vehicle can stride over the base or the base to directly move the carried cabinet to a position right above a preset position; on the other hand, when driving bearing plate 4 and moving down through drive structure 2, can remove bearing plate 4 to the below of the base or the base of presetting position department, meanwhile, the rack that bears on bearing plate 4 can directly fall and put in presetting position department, need not manual operation, simple structure, reasonable in design, convenient operation.

In this embodiment, the driving structure 2 may be any suitable structure as long as the driving structure can drive the carrier plate 4 to move up and down along the height direction of the frame 1.

It should be noted that, if the side wall of the frame 1 is a closed panel, an avoiding hole is formed in a position on the panel corresponding to the bearing plate 4, and each bearing plate 4 extends inward along a direction away from the corresponding driving structure 2, and extends into the hollow cavity 13 of the frame 1 through the avoiding hole. If the position of the side wall of the frame 1 corresponding to the bearing plate 4 is hollow, the bearing plate 4 can extend inwards along the direction away from the corresponding driving structure 2. The method can be arbitrarily selected according to specific use conditions, and is not limited too much here.

During concrete implementation, the bearing plate 4 can have a certain inclination angle with the driving structure 2, so long as the strength is high, the bearing performance is excellent, and the machine cabinet can be borne. Preferably, the carrier plate 4 extends vertically inwards in a direction away from the corresponding drive structure 2.

Through the technical scheme, the carrier provided by the embodiment is provided with the frame 1 and the two groups of driving structures 2, the walking structure 3 is arranged at the bottom end of the frame 1, the frame 1 is provided with the hollow cavity 13 with openings at two ends, at least one side wall of the hollow cavity 13 can be opened and closed, and the shape of the hollow cavity 13 is matched with the outline of a cabinet to be carried; two sets of drive structure 2 are fixed respectively on two relative outer walls of frame 1, and each bottom of organizing drive structure 2 all has the loading board 4 that is used for bearing the rack, and two sets of loading boards 4 all extend inwards along the direction of keeping away from corresponding drive structure 2 towards to all be located well cavity 13, each drive structure 2 of organizing is used for driving the loading board 4 that corresponds and moves along the direction from top to bottom of the direction of height of frame 1, in order to bear the rack lift to the preset position on loading board 4. During specific carrying, one side wall of the hollow cavity 13 is opened, the carrying vehicle provided by the embodiment is moved, the cabinet to be carried is positioned in the hollow cavity 13, the bearing plate 4 is abutted to the bottom of the cabinet, the opened side wall is closed, and then the driving structure 2 drives the bearing plate 4 to move upwards along the height direction of the frame 1, so that the cabinet borne on the bearing plate 4 is suspended; and then the carrier is pushed to the position right above the preset position, the driving structure 2 drives the bearing plate 4 to move downwards along the height direction of the frame 1 to the preset position to be installed, and the carrier is taken out for subsequent use. Based on this, the carrier that this embodiment provided only needs one to the transport work that two people just can accomplish the rack, has saved cost of labor and operating space, and work efficiency is high, simultaneously, at the in-process of transport, can support the rack reliable and stable, avoided to a certain extent because of carelessly empting the emergence that leads to incident such as personnel's injury, loss of property, the security is good.

In this embodiment, referring to fig. 1 and fig. 2, the frame 1 includes two support frames 11 and two connecting rods 12, the two support frames 11 are disposed oppositely, the connecting rods 12 are disposed between two side walls of the two support frames 11, that is, the two support frames 11 are connected together through the connecting rods 12, one end of the connecting rod 12 is fixed on a side wall of one of the support frames 11, and the other end of the connecting rod 12 is fixed on a side wall of the other one of the support frames 11 on the same side, so that the two support frames 11 and the connecting rods 12 located at two sides of the support frames 11 jointly enclose to form a hollow cavity 13.

During concrete implementation, at least one end of the connecting rod 12 is detachably connected with the corresponding support frame 11, so that the side wall of the hollow cavity 13 can be opened and closed, the cabinet to be carried is conveniently placed into the hollow cavity 13 or taken out from the hollow cavity 13, and the device is simple in structure, reasonable in design and convenient to use.

As an alternative embodiment, one end of the connecting rod 12 is detachably connected to the corresponding support 11, and the other end of the connecting rod 12 is integrated with the corresponding support 11.

As another optional implementation mode, the two ends of the connecting rod 12 are detachably connected with the corresponding support frames 11, so that the cabinet is convenient to put in and take out, and meanwhile, when the transporting vehicle provided by the implementation is not needed, the two support frames 11 and the connecting rod 12 connected with the two support frames 11 can be detached and separated, so that the transporting vehicle is convenient to store and saves space.

In this embodiment, the walking structures 3 are respectively disposed at the bottom ends of the two support frames 11, and the driving structures 2 are disposed on the sides of the two support frames 11 away from the hollow cavity 13, i.e., the outer walls of the two support frames 11.

Further, referring to fig. 2, each of the connecting rods 12 includes a first rod 121 and a second rod 122 sleeved in the first rod 121, and the second rod 122 is movable along the axial direction of the first rod 121, so that the overall length of the connecting rod 12 can be adjusted, that is, by moving the second rod 122, the size of the hollow cavity 13 can be adjusted to match with cabinets with different sizes, in other words, the carrier can carry cabinets with different sizes, thereby improving the applicability of the carrier provided in this embodiment.

It is understood that the first rod 121 is a hollow rod, and one end of the hollow rod close to the second rod 122 is opened, and the second rod 122 penetrates through the opening and extends into the hollow rod, and can move axially relative to the hollow rod.

According to some embodiments, each connecting rod 12 includes a first rod 121 and a second rod 122, wherein the second rod 122 is disposed on an outer wall of the first rod 121, and the second rod 122 is movable along an axial direction of the first rod 121.

During specific implementation, a limiting structure is further arranged between the first rod body 121 and the second rod body 122, the limiting structure comprises a fastener, a first mounting hole formed in the side wall of the first rod body 121 and a second mounting hole formed in the side wall of the second rod body 122, when the second rod body 122 moves to a proper position relative to the first rod body 121, the first mounting hole is aligned with the second mounting hole, the first rod body 121 and the second rod body 122 are fixed through the fastener penetrating through the first mounting hole and the second mounting hole, and at the moment, the first rod body 121 and the second rod body 122 are relatively fixed.

According to some embodiments, the limiting structure includes a locking protrusion and a locking groove matched with the locking protrusion, one of the locking protrusion and the locking groove is disposed on the outer wall of the first rod 121, the other of the locking protrusion and the locking groove is disposed on the outer wall of the second rod 122, and when the second rod 122 moves to a proper position relative to the first rod 121, the locking protrusion extends into the locking groove, so as to fix the first rod 121 and the second rod 122.

Further, referring to fig. 2, at least two connecting rods 12 are located on the same side of the supporting rod, and the at least two connecting rods 12 are arranged at intervals along the height direction of the supporting frame 11, that is, the height direction of the frame 1, so that the bearing performance and the structural strength of the frame 1 can be enhanced, and the service life of the carrier provided by the embodiment can be prolonged.

In this embodiment, referring to fig. 1, each driving structure 2 includes a driving member 21 and a lifting assembly 22, the lifting assembly 22 is disposed on the frame 1 along the height direction of the frame 1 and can move up and down relative to the frame 1, the bearing plate 4 is fixed at the bottom end of the lifting assembly 22, that is, the bearing plate 4 is fixed at one end of the lifting assembly 22 close to the traveling structure 3, the driving member 21 is fixed relative to the frame 1, and the transmission end of the driving member 21 is fixed at the top end of the lifting assembly 22 and is used for driving the lifting assembly 22 to move up and down along the height direction of the frame 1, so as to drive the cabinet carried on the bearing plate 4 to be lowered down and moved up and down along the height of the frame 1.

In a specific implementation, referring to fig. 1 and 2, the driving member 21 is fixed on the supporting frame 11, a driving end of the driving member 21 is fixed opposite to a top end of the lifting assembly 22, and the lifting assembly 22 is disposed on an outer wall of the supporting frame 11 along a height direction of the supporting frame 11.

In this embodiment, each group of driving structures 2 may be disposed at any suitable position of the supporting frame 11, and preferably, two groups of driving structures disposed on two sides of the frame 1 are disposed oppositely, so that the appearance is good, and the bearing capacity of the cabinet is uniform.

Each group of driving structures 2 may include one sub-driving structure 2, and may also include a plurality of sub-driving structures 2, and when each group of driving structures 2 includes a plurality of sub-driving structures 2, the plurality of driving structures 2 are arranged at intervals along the horizontal direction of the supporting frame 11.

It should be noted that the horizontal direction of the support frame 11 is the length direction or the width direction of the support frame 11, i.e., a direction perpendicular to the height direction of the support frame 11, and as shown in fig. 1, the horizontal direction of the support frame 11 is the left-right direction in fig. 1.

Preferably, each group of drive structures 2 comprises the same number of sub-drive structures 2, which are arranged one to one opposite to each other.

In particular, the driving member 21 may be any suitable structure such as a motor, a jack, a ball screw, a rack and pinion, etc.

Further, referring to fig. 1, the lifting assembly 22 includes a horizontal rod 221 and at least two vertical rods 222, the at least two vertical rods 222 are disposed at intervals along the horizontal direction of the supporting frame 11, the outer wall of the frame 1 is provided with mounting holes matched with the vertical rods 222, the top end of each vertical rod 222 is relatively fixed to the horizontal rod 221, the bottom end of each vertical rod 222 is respectively penetrated into the corresponding mounting hole, the transmission end of the driving member 21 is relatively fixed to the horizontal rod 221, the bottom end of each horizontal rod 221 is provided with one bearing plate 4, that is, the bottom end of one lifting assembly 22 has a plurality of bearing plates 4.

According to some embodiments, the bottom end of each lifting assembly 22 may also have a larger supporting plate 4, and at this time, the supporting plate 4 and the bottom end of each horizontal rod 221 are fixed at the same time, so that the design can increase the contact area between the supporting plate 4 and the cabinet, and the bearing performance is good.

In this embodiment, the bearing plate 4 can be fixed with the horizontal rod 221 in any suitable manner, such as welding, and has good integrity and high strength, and can be detachably connected through a fastener, so that the replacement is convenient, and the cost is saved.

During concrete implementation, can set up anti-skidding structure on the top surface of loading board 4, for example anti-skidding line, anti-skidding bump, anti-skidding stripe etc. improve the rack and bear this stability.

Preferably, the top surfaces of the bearing plates 4 are at the same height and are supported stably.

Furthermore, a first protective layer, such as a silica gel pad, a rubber pad, etc., is disposed on a surface of the horizontal rod 221, which is close to the hollow cavity 13, so that the cabinet can be effectively prevented from being scratched, and the safety is good.

In this embodiment, the one side of frame 1 that is close to well cavity 13 is provided with the second inoxidizing coating, is provided with the second inoxidizing coating promptly on the inner wall of frame 1, and the second inoxidizing coating can adopt arbitrary suitable material to make, can avoid the fish tail rack can.

During concrete implementation, walking structure 3 includes universal wheel 31, makes things convenient for the carrier freely to remove, is provided with on universal wheel 31 to be used for spacing locking structure 32, carries the rack to remove when predetermineeing position department when the carrier, can die universal wheel 31 lock through locking structure 32, and at this moment, the carrier is fixed in this position department of predetermineeing, helps improving the installation accuracy of rack.

One or more universal wheels 31 may be provided, and the plurality of universal wheels 31 are provided at the bottom of the frame 1 at intervals in the circumferential direction of the frame 1.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description is only for the purpose of describing particular embodiments of the present disclosure, so as to enable those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An indoor cabinet carrier is characterized by comprising a frame (1), two groups of driving structures (2) and a walking structure (3) arranged at the bottom end of the frame (1);

the frame (1) is provided with a hollow cavity (13) with two open ends, at least one side wall of the hollow cavity (13) can be opened and closed, and the shape of the hollow cavity (13) is matched with the outer contour of a cabinet to be carried; the two groups of driving structures (2) are respectively fixed on two opposite outer walls of the frame (1), the bottom end of each group of driving structures (2) is provided with a bearing plate (4) for bearing a cabinet, and the two groups of bearing plates (4) both extend inwards in the direction away from the corresponding driving structures (2) and are both positioned in the hollow cavity (13);

each group of driving structures (2) is used for driving the corresponding bearing plate (4) to move up and down along the height direction of the frame (1) so as to lift the cabinet loaded on the bearing plate (4) to a preset position.

2. The indoor cabinet truck of claim 1, wherein the frame (1) includes a support bracket (11) and a connecting rod (12);

the two support frames (11) are arranged oppositely, the connecting rods (12) are arranged between two side walls of the two support frames (11), and the support frames (11) and the connecting rods (12) are enclosed together to form the hollow cavity (13);

at least one end of the connecting rod (12) is detachably connected with the corresponding support frame (11).

3. The indoor cabinet transporting vehicle of claim 2, wherein each of the connecting rods (12) includes a first rod (121) and a second rod (122) sleeved in the first rod (121), and the second rod (122) is movable along an axial direction of the first rod (121) to adjust a length of the connecting rod (12).

4. The indoor cabinet carrier according to claim 2, wherein at least two of the connecting rods (12) are provided at the same side, and at least two of the connecting rods (12) are provided at intervals in a height direction of the supporting frame (11).

5. The indoor cabinet truck of claim 1, wherein each of the drive structures (2) includes a drive member (21) and a lift assembly (22);

the lifting assembly (22) is arranged on the frame (1) along the height direction of the frame (1), the bearing plate (4) is fixed at the bottom end of the lifting assembly (22), the driving piece (21) is fixed relative to the frame (1), and the transmission end of the driving piece (21) is fixed at the top end of the lifting assembly (22) and used for driving the lifting assembly (22) to move up and down along the height direction of the frame (1).

6. The indoor cabinet truck of claim 5, wherein the lift assembly (22) includes a horizontal bar (221) and at least two vertical bars (222);

at least two vertical rods (222) are arranged at intervals along the length direction or the width direction of the frame (1), mounting holes matched with the vertical rods (222) are formed in the outer wall of the frame (1), the top end of each vertical rod (222) is fixed relative to the horizontal rod (221), the bottom end of each vertical rod (222) is arranged in the corresponding mounting hole in a penetrating mode, and the transmission end of the driving piece (21) is fixed relative to the horizontal rod (221);

the bottom end of each horizontal rod (221) is provided with one bearing plate (4).

7. The indoor cabinet truck of claim 6, wherein a first protective layer is provided on a side of the horizontal bar (221) adjacent to the hollow cavity (13).

8. The indoor cabinet carrier of any one of claims 1 to 7, wherein a second shielding layer is provided on a side of the frame (1) adjacent to the hollow cavity (13).

9. The indoor cabinet carrier of any one of claims 1 to 7, wherein the top surfaces of the carrying floors (4) are at the same height.

10. The indoor cabinet carrier of any one of claims 1 to 7, wherein the travelling structure (3) comprises a universal wheel (31), and a locking structure (32) for limiting is provided on the universal wheel (31).