Modular floor film trolley that can be assembled

Abstract

The utility model provides modularization bottom membrane trolley of splicing combination relates to transportation equipment field, including trolley basic unit, the bottom of trolley basic unit is connected with four connecting wheel frame in rectangular array, the middle place of four lateral walls of trolley basic unit is all fixedly connected with combined hydraulic cylinder, the right side insertion of trolley basic unit has longitudinal splicing piece, the front side insertion of trolley basic unit has horizontal splicing piece, the top symmetry of trolley basic unit is equipped with two bottom membrane bearing unit, this modularization bottom membrane trolley of splicing combination is through " trolley basic unit + longitudinal splicing piece + horizontal splicing piece " modularization design, combines the predetermination of combined cavity and splicing piece combination block, the power locking of combined hydraulic cylinder, has realized the flexible extension of trolley width, length, can adjust the combined structure according to the size demand of different specifications bottom membrane, to solve the problem that the existing bottom membrane trolley is not good at adapting, splicing is not stable and bottom membrane is easy to damage.

Description

Technical Field

[0001] This utility model relates to the field of transportation equipment technology, and in particular to a modular bottom membrane trolley that can be spliced ​​and combined. Background Technology

[0002] In industrial production and engineering construction, base film, as an indispensable basic material, has unique characteristics in storage and transportation due to its roll or large-size sheet form. To optimize the handling process, specialized trolleys are needed for convenient movement. However, existing base film trolleys lack dimensional adaptability, with most being one-piece structures whose length and width are fixed and cannot be flexibly adjusted according to base film specifications. This results in either difficulty in accommodating certain base film sizes or significant space waste after adaptation. Even when splicing structures are used, the lack of reliable connection and positioning mechanisms leads to gaps, swaying, or displacement at the splicing points, resulting in poor overall load-bearing stability and failing to meet safe transportation requirements. Furthermore, the existing trolleys have cumbersome assembly and disassembly of load-bearing components and lack base film protection and auxiliary fixing measures. During transportation, the base film is easily scratched or slipped due to vibration and friction, making it difficult to ensure the integrity of the base film and reducing transportation safety. Utility Model Content

[0003] This utility model relates to a modular bottom membrane trolley that can be spliced ​​and combined, in order to solve the problems mentioned in the background art, such as poor size adaptability of existing bottom membrane trolleys, which are mostly integral and have fixed length and width, making it difficult to adapt or wasting space. The spliced ​​models lack reliable positioning and are unstable, making it difficult to meet safe transportation requirements. Furthermore, the load-bearing components are difficult to disassemble and assemble, and the bottom membrane is not protected and is easily scratched and slipped, resulting in poor safety.

[0004] This utility model provides a modular bottom membrane trolley that can be spliced ​​and combined, specifically including: a trolley base unit; the bottom of the trolley base unit is connected to four connecting wheel frames in a rectangular array, and a combined hydraulic cylinder is fixedly connected to the middle of the four side walls of the trolley base unit; a longitudinal splicing component is inserted into the right side of the trolley base unit, a transverse splicing component is inserted into the front side of the trolley base unit, and two bottom membrane bearing units are symmetrically installed on the top of the trolley base unit.

[0005] Furthermore, the top end face of the trolley base unit has four connecting slots arranged in a rectangular array, and the top end face of the trolley base unit has connecting hanging holes at equal intervals. The bottom of the bottom membrane support unit has two connecting rods symmetrically arranged and inserted into the connecting slots. The top of the bottom membrane support unit is a rubber sleeve.

[0006] Furthermore, a rectangular mounting cavity is provided at the bottom of the middle of the four side walls of the trolley base unit, and a combined hydraulic cylinder is fixedly installed in the mounting cavity. A combined cavity is provided on both sides adjacent to the mounting cavity, and a locking hole is symmetrically provided on the left and right side walls of the trolley base unit.

[0007] Furthermore, two transverse combination blocks are symmetrically installed at the middle of both the left and right sides of the longitudinal splicing component. The transverse combination blocks on the adjacent side of the longitudinal splicing component and the trolley base unit are inserted into the combination cavity opened on the adjacent side of the trolley base unit. The front and rear telescopic ends of the combined hydraulic cylinder are both connected through the transverse combination blocks. The front and rear sides of the left and right sidewalls of the longitudinal splicing component are symmetrically equipped with locking rods. The locking rods on the adjacent side of the longitudinal splicing component and the trolley base unit are inserted into the locking holes opened on the right side wall of the trolley base unit. Modular insertion holes are opened at the middle of the front and rear sidewalls of the longitudinal splicing component.

[0008] Furthermore, two longitudinal assembly blocks are symmetrically installed at the middle of the front and rear side walls of the transverse splicing component. The longitudinal assembly blocks on the adjacent side of the transverse splicing component and the trolley base unit are inserted into the assembly cavity opened on the adjacent side of the trolley base unit. The front and rear telescopic ends of the combined hydraulic cylinder are both connected through the longitudinal assembly blocks. Modular insert rods are symmetrically installed on the right end of the front and rear side walls of the transverse splicing component. The modular insert rods are inserted into the modular insertion holes on the adjacent side of the longitudinal splicing component.

[0009] Furthermore, hydraulic self-propelled wheels are symmetrically installed on the left and right sides of the bottom of the connecting wheel frame.

[0010] This utility model provides a modular bottom membrane trolley that can be spliced ​​and combined, which has the following beneficial effects: 1. Through a modular design of "trolley basic unit + longitudinal splicing parts + transverse splicing parts", combined with the pre-positioning of the combined cavity and splicing parts, the power locking of the combined hydraulic cylinder, and the secondary fixing of the locking rod and locking hole, the trolley width and length can be flexibly expanded. The combined structure can be adjusted according to the size requirements of different specifications of bottom film, which completely solves the problems of fixed size and poor adaptability of traditional integral trolleys. Furthermore, through the multi-connection structure of "pre-positioning + power locking + multi-dimensional limiting", gaps, shaking or displacement at the splicing points are avoided, ensuring the overall load-bearing consistency and structural stability of the trolley after multi-module combination. It can not only adapt to the bottom film of regular size, but also meet the transportation needs of ultra-wide and ultra-long bottom films, greatly improving the trolley's adaptability to different scenarios and bottom films of different specifications.

[0011] 2. In terms of bottom membrane support and user experience, the bottom membrane support unit achieves quick positioning and disassembly through connecting rods and connecting slots, reducing the difficulty of component assembly. Its top rubber sleeve can effectively buffer vibration during transportation, reduce friction damage between the bottom membrane and the support unit, and at the same time enhance friction to prevent the bottom membrane from slipping and protect the integrity of the bottom membrane. The connecting hanging holes of the trolley base unit can also help fix the bottom membrane roll, further improving transportation safety. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0013] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0014] In the attached diagram: Figure 1 This is a schematic diagram of the right front side axial view structure of this utility model; Figure 2 This is a schematic diagram of the axial side view of the present invention. Figure 3 This is a schematic diagram of the overall disassembled structure of this utility model; Figure 4 This is a schematic diagram of the disassembled structure of the trolley base unit and connecting wheel frame of this utility model; Figure 5 This is a schematic diagram showing the disassembled structure of the longitudinal splicing component and the transverse splicing component of this utility model; Figure 6 This is a schematic diagram of the top cross-sectional structure of the trolley base unit of this utility model.

[0015] In the diagram, the correspondence between component names and drawing numbers is as follows: 1. Trolley base unit; 101. Connecting slot; 102. Connecting hanging hole; 103. Mounting cavity; 104. Combination cavity; 105. Locking hole; 2. Combined hydraulic cylinder; 3. Connecting wheel frame; 4. Hydraulic self-propelled wheel; 5. Longitudinal splicing component; 501. Transverse combination block; 502. Locking rod; 503. Modular insertion hole; 6. Transverse splicing component; 601. Longitudinal combination block; 602. Modular insertion rod; 7. Bottom membrane bearing unit; 701. Connecting insertion rod. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] Example 1: As shown in the attached document Figure 1 To be continued Figure 6 As shown: This utility model provides a modular bottom membrane trolley that can be spliced ​​and combined, including: a trolley base unit 1, four connecting wheel frames 3 connected in a rectangular array at the bottom of the trolley base unit 1, hydraulic self-propelled wheels 4 symmetrically installed on the left and right sides of the bottom of the connecting wheel frames 3, a combined hydraulic cylinder 2 fixedly connected to the middle of the four side walls of the trolley base unit 1, a longitudinal splicing component 5 inserted into the right side of the trolley base unit 1, a transverse splicing component 6 inserted into the front side of the trolley base unit 1, and two bottom membrane bearing units 7 symmetrically installed on the top of the trolley base unit 1.

[0018] The trolley base unit 1 has four connecting slots 101 arranged in a rectangular array on its top end face. Connecting hanging holes 102 are also spaced at equal intervals on the top end face of the trolley base unit 1. The bottom of the bottom membrane support unit 7 has two symmetrically arranged connecting rods 701 that insert into the connecting slots 101. The top of the bottom membrane support unit 7 is a rubber sleeve. Specifically, the insertion and engagement of the connecting rods 701 with the connecting slots 101 allows for quick positioning and installation of the bottom membrane support unit 7 and the trolley base unit 1, preventing the support unit from shifting and improving ease of assembly and disassembly. The top rubber sleeve buffers the contact pressure between the bottom membrane and the support unit, preventing surface scratches caused by vibration or friction during transport. It also increases the friction between the bottom membrane and the support unit, preventing the bottom membrane from slipping and adapting to the bearing requirements of bottom membranes with different hardness. The connecting hanging holes 102 can assist in fixing the bottom membrane roll (e.g., by connecting a protective rope via a hook), further improving the safety of bottom membrane transport.

[0019] The trolley base unit 1 has rectangular mounting cavities 103 at the bottom of the middle of each of its four side walls. A combined hydraulic cylinder 2 is fixedly installed in the mounting cavity 103. A combined cavity 104 is provided on each of the two adjacent sides of the mounting cavity 103. The left and right side walls of the trolley base unit 1 have symmetrical locking holes 105. Specifically, the mounting cavity 103 provides a dedicated fixing space for the combined hydraulic cylinder 2 to ensure that the hydraulic cylinder is firmly installed and to prevent it from shifting during splicing or transportation, thus ensuring stable power output during splicing. The combined cavity 104 provides a precise insertion channel for the transverse combined block 501 of the longitudinal splicing component 5 and the longitudinal combined block 601 of the transverse splicing component 6, realizing the pre-positioning of the splicing component and the base unit, preventing splicing misalignment, and improving the accuracy of modular splicing. The locking holes 105 cooperate with the locking rod 502 of the longitudinal splicing component 5 to form a secondary positioning and locking structure after splicing, preventing the splicing component from loosening under force, and further strengthening the connection stability between the base unit and the splicing component.

[0020] Two transverse combination blocks 501 are symmetrically installed at the middle of both sides of the longitudinal splicing component 5. The transverse combination blocks 501 on the adjacent side of the longitudinal splicing component 5 and the trolley base unit 1 are inserted into the combination cavity 104 opened on the adjacent side of the trolley base unit 1. The front and rear telescopic ends of the combined hydraulic cylinder 2 are both connected through the transverse combination blocks 501. The front and rear sides of the left and right side walls of the longitudinal splicing component 5 are symmetrically equipped with locking rods 502. The locking rods 502 on the adjacent side of the longitudinal splicing component 5 and the trolley base unit 1 are inserted into the locking holes 105 opened on the right side wall of the trolley base unit 1. Modular insertion holes 503 are opened at the middle of the front and rear side walls of the longitudinal splicing component 5. Specifically, the transverse combination blocks 501 and the combination cavity 104 are connected to each other. Combined with the through-locking of the telescopic end of the combined hydraulic cylinder 2, the longitudinal splicing component 5 and the trolley base unit 1 are fixed by "pre-positioning + power locking", which not only ensures the splicing speed, but also avoids gaps or shaking at the splicing point, and improves the load-bearing strength of the longitudinal splicing. The insertion and cooperation of the locking rod 502 and the locking hole 105 further restricts the lateral displacement of the longitudinal splicing component 5, forming a multi-dimensional fixation to prevent the splicing component from falling off during the trolley transportation. The modular insertion hole 503 provides a connection interface for the modular insertion rod 602 of the lateral splicing component 6, realizing the linkage combination of the longitudinal splicing component 5 and the lateral splicing component 6, breaking the limitation of splicing in a single direction, laying the foundation for the "longitudinal + lateral" multi-dimensional expansion of the trolley, and adapting to the load-bearing requirements of larger-sized bottom membranes.

[0021] Two longitudinal combination blocks 601 are symmetrically installed at the middle of the front and rear side walls of the transverse splicing component 6. The longitudinal combination blocks 601 on the side adjacent to the trolley base unit 1 are inserted into the combination cavity 104 opened on the side adjacent to the trolley base unit 1. The front and rear telescopic ends of the combined hydraulic cylinder 2 are both connected through the longitudinal combination blocks 601. Modular insertion rods 602 are symmetrically installed on the right end of the front and rear side walls of the transverse splicing component 6. The modular insertion rods 602 are inserted into the modular insertion holes 503 on the side adjacent to the longitudinal splicing component 5. Specifically, the insertion of the longitudinal combination blocks 601 into the combination cavity 104 and the through locking of the combined hydraulic cylinder 2 can realize... The precise docking and secure locking of the horizontal splicing component 6 with the trolley base unit 1 ensures the overall load-bearing consistency of the trolley after horizontal splicing, avoiding uneven stress on the bottom membrane due to loose splicing. The interlocking of the modular plug rod 602 and the modular plug hole 503 realizes the coordinated connection between the horizontal splicing component 6 and the vertical splicing component 5, allowing the trolley to flexibly expand its size according to the length and width requirements of the bottom membrane, forming a modular combination system of "trolley base unit 1 + vertical splicing component 5 + horizontal splicing component 6". This greatly improves the adaptability of the trolley to bottom membranes of different specifications, while ensuring the overall structural stability after multi-module splicing, and avoiding displacement or deformation at the splicing points.

[0022] The specific usage and function of this embodiment are as follows: When using this modular bottom film trolley that can be spliced ​​and combined, first take the trolley base unit 1 as the core, and determine whether to expand the module according to the length and width specifications of the bottom film to be transported: If it is necessary to widen the trolley width to accommodate a wider bottom film, align the transverse combination block 501 on one side of the longitudinal splicing piece 5 with the combination cavity 104 on the right side of the trolley base unit 1 to achieve pre-positioning, and activate the combination hydraulic cylinder 2 in the mounting cavity 103 on the side wall of the trolley base unit 1 so that its telescopic end passes through the transverse combination block 501 to complete the power locking, while ensuring that the locking rod 502 of the longitudinal splicing piece 5 is inserted into the locking hole 105 of the trolley base unit 1 to form a secondary fixation. If it is necessary to extend the trolley length to accommodate a longer bottom film, align the longitudinal combination block 601 on one side of the transverse splicing piece 6 with the combination cavity 104 on the front side of the trolley base unit 1 and insert it, and similarly, pass through the combination hydraulic cylinder 2. Lock the modular insert 602 of the transverse splicing component 6 into the modular insert 503 of the longitudinal splicing component 5 to achieve a coordinated connection between the longitudinal splicing component 5 and the transverse splicing component 6, forming a "basic unit + splicing component" combination structure that adapts to the size of the bottom film. Then, insert the connecting insert 701 at the bottom of the bottom film carrying unit 7 into the connecting slot 101 at the top of the trolley basic unit 1 to complete the quick positioning and installation of the carrying unit. If the bottom film roll is being transported, a protective rope can be connected to the hook through the connecting hanging hole 102 at the top of the trolley basic unit 1 to assist in fixing the bottom film. Finally, the trolley is moved by using the hydraulic self-propelled wheels 4 on the connecting wheel frame 3 at the bottom of the trolley basic unit 1 to push or control the trolley. The rubber sleeve at the top of the bottom film carrying unit 7 can buffer vibration and prevent the bottom film from being scratched or slipping during the transport process, thereby achieving safe and flexible transport of bottom films of different specifications.

[0023] Example 2: Two parallel transverse adjustment slides are provided on the top end face of the trolley base unit 1 (located outside the connecting slot 101). An adjustment slider is added to the bottom of the bottom film support unit 7 (adapted to the adjustment slides, with a locking bolt on the inner side of the slider). After the locking bolt is loosened, the bottom film support unit 7 can slide laterally along the adjustment slides. The distance between the two support units can be adjusted according to the length of the bottom film to achieve scene adaptation of one roll material and one sheet material.

Claims

1. A modular bottom membrane trolley that can be spliced ​​and combined, characterized in that, It includes a trolley base unit (1); the bottom of the trolley base unit (1) is connected to four connecting wheel frames (3) in a rectangular array; a combination hydraulic cylinder (2) is fixedly connected to the middle of the four side walls of the trolley base unit (1); a longitudinal splicing piece (5) is inserted into the right side of the trolley base unit (1); a transverse splicing piece (6) is inserted into the front side of the trolley base unit (1); and two bottom membrane bearing units (7) are symmetrically installed on the top of the trolley base unit (1).

2. The modular bottom membrane trolley that can be spliced ​​and combined according to claim 1, characterized in that, The top end face of the trolley base unit (1) has four connecting slots (101) arranged in a rectangular array. The top end face of the trolley base unit (1) has connecting hanging holes (102) at equal intervals. The bottom of the bottom membrane support unit (7) has two connecting rods (701) symmetrically arranged. The connecting rods (701) are inserted into the connecting slots (101). The top of the bottom membrane support unit (7) is a rubber sleeve.

3. The modular bottom membrane trolley that can be spliced ​​and combined according to claim 1, characterized in that, The bottom of the four side walls of the trolley base unit (1) is provided with a rectangular mounting cavity (103). A combined hydraulic cylinder (2) is fixedly installed in the mounting cavity (103). A combined cavity (104) is provided on both sides of the mounting cavity (103). The left and right side walls of the trolley base unit (1) are symmetrically provided with locking holes (105).

4. The modular bottom membrane trolley that can be spliced ​​and combined according to claim 1, characterized in that, Two transverse combination blocks (501) are symmetrically installed at the middle of the left and right sides of the longitudinal splicing component (5). The transverse combination blocks (501) on the adjacent side of the longitudinal splicing component (5) and the trolley base unit (1) are inserted into the combination cavity (104) opened on the adjacent side of the trolley base unit (1). The front and rear telescopic ends of the combined hydraulic cylinder (2) are connected through the transverse combination blocks (501). The front and rear sides of the left and right sidewalls of the longitudinal splicing component (5) are symmetrically equipped with locking rods (502). The locking rods (502) on the adjacent side of the longitudinal splicing component (5) and the trolley base unit (1) are inserted into the locking hole (105) opened on the right sidewall of the trolley base unit (1). Modular insertion holes (503) are opened at the middle of the front and rear sidewalls of the longitudinal splicing component (5).

5. The modular bottom membrane trolley that can be spliced ​​and combined according to claim 1, characterized in that, Two longitudinal combination blocks (601) are symmetrically installed at the middle of the front and rear side walls of the transverse splicing component (6). The longitudinal combination blocks (601) on the adjacent side of the transverse splicing component (6) and the trolley base unit (1) are inserted into the combination cavity (104) opened on the adjacent side of the trolley base unit (1). The two telescopic ends of the combined hydraulic cylinder (2) are connected through the longitudinal combination blocks (601). Modular insertion rods (602) are symmetrically installed on the right end of the front and rear side walls of the transverse splicing component (6). The modular insertion rods (602) are inserted into the modular insertion holes (503) on the adjacent side of the longitudinal splicing component (5).

6. The modular bottom membrane trolley that can be spliced ​​and combined according to claim 1, characterized in that, Hydraulic self-propelled wheels (4) are symmetrically installed on the left and right sides of the bottom of the connecting wheel frame (3).

Images