Lower large frame structure and transport vehicle

Abstract

The utility model discloses a lower big frame structure, which relates to the technical field of transport vehicles and comprises a sliding bottom plate and a lower big frame, pulleys are arranged on two sides of the bottom of the sliding bottom plate, and the sliding bottom plate is slidably arranged on the lower big frame through the pulleys; wherein a main sealing plate is laid on the upper surface of the lower large frame for sealing. The utility model further provides a transport vehicle which comprises the lower large frame structure. According to the utility model, the pulleys are arranged at the bottom of the sliding bottom plate, so that the whole lower large frame can be paved with the main sealing plate for sealing, and the sealing performance and the waterproof performance are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transport vehicles, in particular to a chassis structure and a transport vehicle. Background Art

[0002] A sliding bottom plate is usually arranged in the carriage of a corrugated vehicle. The sliding bottom plate is slidably arranged on the chassis of the corrugated vehicle, and a push plate trolley is arranged on the sliding bottom plate. The materials are pushed by driving the push plate trolley thereon to slide together with the sliding bottom plate. Among them, the sliding bottom plate usually realizes sliding on the chassis through a plurality of pulleys. However, the existing pulleys are arranged on the chassis, and the number of pulleys is relatively large, resulting in poor overall sealing performance of the chassis and unsatisfactory waterproof effect.

[0003] Therefore, a chassis structure is provided to solve the above problems existing in the prior art. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a chassis structure and a transport vehicle to solve the above problems existing in the prior art, and can effectively improve the sealing performance and waterproof performance.

[0005] To achieve the above purpose, the utility model provides the following scheme:

[0006] The utility model provides a chassis structure, including a sliding bottom plate and a chassis. Both sides of the bottom of the sliding bottom plate are provided with pulleys, and the sliding bottom plate is slidably arranged on the chassis through the pulleys. Among them, the upper surface of the chassis is covered with a main sealing plate for sealing.

[0007] Preferably, two rows of the pulleys are arranged on both sides of the bottom of the sliding bottom plate, and a plurality of the pulleys in each row are evenly distributed along the length direction of the sliding bottom plate.

[0008] Preferably, the sliding bottom plate includes a lower bottom plate. Flanging edges are formed on both sides of the lower bottom plate to form upper edges. The two upper edges and the lower bottom plate enclose a parallel guide rail.

[0009] Preferably, side sealing plates are arranged on both sides of the main sealing plate. The upper surface of the side sealing plate is attached to the lower surface of the corresponding upper edge, and a sealing layer is further arranged inside the side sealing plate. The sealing layer is pressed against the sliding bottom plate. Among them, the sealing layer is a rubber sealing strip.

[0010] Preferably, a driving device is further included. The driving device is arranged on the chassis and is connected to the sliding bottom plate to drive the sliding bottom plate to slide back and forth.

[0011] Preferably, the driving device is a hydraulic cylinder, and one such hydraulic cylinder is provided on each side of the lower frame; wherein, mounting grooves are provided on both sides of the main sealing plate along its length direction, the hydraulic cylinder is disposed in the corresponding mounting groove, and the hydraulic cylinder is a two-way cylinder, both ends of the two-way cylinder are connected to the lower frame, and the cylinder barrel of the two-way cylinder is connected to the sliding bottom plate.

[0012] Preferably, a sealing apron is provided at the edge of the mounting groove, the sealing apron is perpendicular to the main sealing plate and is disposed around the mounting groove.

[0013] Preferably, a limit key is provided on the cylinder barrel of the two-way cylinder, a limit block is correspondingly provided on the sliding bottom plate, the limit block is parallel to the limit key, and two limit blocks are provided, and the two limit blocks are respectively located on both sides of the limit key; wherein, a plurality of limit holes are correspondingly provided on the limit key and the limit block, and the limit block and the limit key are connected by sequentially passing a pin shaft through the limit holes on the limit block and the limit key.

[0014] Force-bearing beams are further provided at both ends of the two limit blocks, the limit key is disposed along the length direction of the lower frame, the force-bearing beam is perpendicular to the limit key, and both ends of the limit key are respectively abutted against the force-bearing beams at both ends.

[0015] Preferably, a reinforcing plate is further provided on the sliding bottom plate, and the limit block and the force-bearing beam are both disposed on the reinforcing plate.

[0016] The present utility model further provides a transport vehicle, including the lower frame structure as described above.

[0017] The present utility model has achieved the following technical effects compared with the prior art:

[0018] In the present utility model, the lower frame structure includes a sliding bottom plate and a lower frame. Pulleys are provided on both sides of the bottom of the sliding bottom plate, and the sliding bottom plate is slidably disposed on the lower frame through the pulleys; wherein, a main sealing plate is laid on the upper surface of the lower frame for sealing. In the present utility model, the pulleys are installed at the bottom of the sliding bottom plate, so that the lower frame can lay the main sealing plate entirely for sealing, improving the sealing performance and waterproof performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0020] Figure 1 Schematic diagram of the bottom of the sliding base plate in the embodiment of the present utility model;

[0021] Figure 2 Assembly schematic diagram of the sliding base plate and the lower frame in the embodiment of the present utility model;

[0022] Figure 3 is Figure 2 partial enlarged view in;

[0023] Figure 4 Schematic diagram of the structure of the hydraulic cylinder in the embodiment of the present utility model;

[0024] Figure 5 Schematic diagram of the connection position between the sliding base plate and the hydraulic cylinder in the embodiment of the present utility model.

[0025] In the figure: 1 - sliding base plate, 101 - lower base plate, 102 - upper edge, 2 - pulley, 3 - lower frame, 301 - main sealing plate, 302 - side sealing plate, 4 - sealing layer, 5 - hydraulic cylinder, 6 - limiting key, 7 - limiting hole, 8 - limiting block, 9 - stress beam, 10 - reinforcing plate. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] The purpose of the present utility model is to provide a lower frame structure and a transport vehicle to solve the problems existing in the above-mentioned prior art, and can effectively improve the sealing performance and waterproof performance.

[0028] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners.

[0029] Embodiment 1

[0030] As Figures 1-5 shown, this embodiment provides a lower frame structure, including a sliding base plate 1 and a lower frame 3. Pulley 2 is provided on both sides of the bottom of the sliding base plate 1, and the sliding base plate 1 is slidably arranged on the lower frame 3 through the pulley 2; wherein, a main sealing plate 301 is laid on the upper surface of the lower frame 3 for sealing. Further, it should be noted that in this embodiment, "both sides" refers to the left side and the right side when facing the sliding base plate 1.

[0031] In this embodiment, the pulley 2 is installed at the bottom of the sliding base plate 1, so that the main sealing plate 301 can be laid on the lower frame 3 as a whole for sealing, improving the sealing performance and waterproof performance.

[0032] In this embodiment, as Figure 1 shown, two rows of the pulleys 2 are arranged on both sides of the bottom of the sliding base plate 1, and a plurality of the pulleys 2 in each row are evenly distributed along the length direction of the sliding base plate 1, improving the sliding stability.

[0033] In this embodiment, as Figure 2 and Figure 3 shown, the sliding base plate 1 includes a lower base plate 101, the folded edges on both sides of the lower base plate 101 form upper edges 102, and the two upper edges 102 on both sides and the lower base plate 101 enclose a parallel guide rail with equal width in the front and back. And side sealing plates 302 are correspondingly arranged on both sides of the main sealing plate 301, the upper surface of the side sealing plate 302 is attached to the lower surface of the corresponding upper edge 102, and a sealing layer 4 is further attached to the inner side of the side sealing plate 302, and the sealing layer 4 is pressed against the sliding base plate 1 to achieve the effect of waterproof sealing; wherein, the sealing layer 4 can be selected according to specific working requirements, and preferably a rubber sealing strip.

[0034] In this embodiment, a driving device is further included, the driving device is arranged on the lower frame 3 and is connected to the sliding base plate 1 to drive the sliding base plate 1 to slide back and forth.

[0035] As a preferred embodiment, in this embodiment, as Figure 4 and Figure 5 shown, the driving device is preferably a hydraulic cylinder 5, and one hydraulic cylinder 5 is arranged on both sides of the lower frame 3; specifically, installation grooves are arranged on both sides of the main sealing plate 301 along its length direction, the hydraulic cylinder 5 is arranged in the corresponding installation groove, and the hydraulic cylinder 5 is a two-way cylinder, both ends of the two-way cylinder are connected to the lower frame 3, and the cylinder barrel of the two-way cylinder is connected to the sliding base plate 1.

[0036] It should be noted that, in this embodiment, the driving device is not limited to the above two-way cylinder, and other driving devices can also be selected according to working requirements, for example, a common one-way cylinder can also be used.

[0037] In this embodiment, a sealing enclosure is also welded to the edge of the installation groove, the sealing enclosure is perpendicular to the main sealing plate 301 and is arranged around the installation groove, which can not only ensure the normal connection and movement of the two-way cylinder, but also achieve sealing without water leakage.

[0038] In this embodiment, a limit key 6 is provided on the cylinder barrel of the bidirectional oil cylinder, and corresponding limit blocks 8 are provided on the sliding bottom plate 1. The limit blocks 8 are parallel to the limit key 6, and there are two limit blocks 8, which are respectively located on both sides of the limit key 6. Among them, a plurality of limit holes 7 are correspondingly provided on the limit key 6 and the limit blocks 8. The limit blocks 8 and the limit key 6 are connected by sequentially passing a pin shaft through the corresponding limit holes 7 on the limit blocks 8 and the limit key 6.

[0039] Further, force-bearing beams 9 are provided at both ends of the two limit blocks 8. The limit key 6 is arranged along the length direction of the lower frame 3. The force-bearing beams 9 are perpendicular to the limit key 6, and both ends of the limit key 6 are respectively abutted against the force-bearing beams 9 at both ends. At this time, the pin shaft only plays a positioning role, and the force directly acts on the force-bearing beams 9 during movement, realizing stable force application. Moreover, during disassembly, only the pin shaft needs to be pulled out, which is convenient for installation and disassembly.

[0040] In this embodiment, a reinforcing plate 10 is further provided on the sliding bottom plate 1. The limit blocks 8 and the force-bearing beams 9 are both welded to the reinforcing plate 10, and the limit blocks 8 and the force-bearing beams 9 are welded to improve the connection stability.

[0041] The present utility model also provides a transport vehicle, including the lower frame structure as described above.

[0042] In the present utility model, specific examples are used to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. At the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A lower frame structure, characterized in that: It comprises a sliding bottom plate and a lower large frame, wherein pulleys are arranged on both sides of the bottom of the sliding bottom plate, and the sliding bottom plate is slidingly arranged on the lower large frame through the pulleys; wherein a main sealing plate is laid on the upper surface of the lower large frame for sealing.

2. The lower frame structure according to claim 1 is characterized in that: Two rows of pulleys are arranged on both sides of the bottom of the sliding bottom plate, and a plurality of pulleys are evenly distributed in each row along the length direction of the sliding bottom plate.

3. The lower frame structure according to claim 1 is characterized in that: The sliding bottom plate comprises a lower bottom plate, and the folded edges on both sides of the lower bottom plate form upper edges, and the upper edges on both sides and the lower bottom plate form parallel guide rails.

4. The lower frame structure according to claim 3 is characterized in that: Side sealing plates are provided on both sides of the main sealing plate, the upper surface of the side sealing plate is in contact with the lower surface of the upper edge of the corresponding side, and a sealing layer is also provided on the inner side of the side sealing plate, and the sealing layer is pressed against the sliding bottom plate; wherein the sealing layer is a rubber sealing strip.

5. The lower frame structure according to claim 1 is characterized in that: It also includes a driving device, which is arranged on the lower large frame and connected to the sliding bottom plate to drive the sliding bottom plate to slide forward and backward.

6. The lower frame structure according to claim 5 is characterized in that: The driving device is a hydraulic cylinder, and one of the hydraulic cylinders is disposed on both sides of the lower frame; wherein, mounting grooves are disposed on both sides of the main sealing plate along its length direction, and the hydraulic cylinder is disposed in the corresponding mounting grooves, and the hydraulic cylinder is a bidirectional cylinder, both ends of which are connected to the lower frame, and the cylinder barrel of the bidirectional cylinder is connected to the sliding bottom plate.

7. The lower frame structure according to claim 6 is characterized in that: A sealing enclosure is arranged at the edge of the installation groove, the sealing enclosure is perpendicular to the main sealing plate and is arranged around the installation groove.

8. The lower frame structure according to claim 6 is characterized in that: A limit key is provided on the cylinder barrel of the bidirectional oil cylinder, and a limit block is correspondingly provided on the sliding bottom plate, the limit block is parallel to the limit key, and two limit blocks are provided, and the two limit blocks are respectively located on both sides of the limit key; wherein, a plurality of limit holes are correspondingly provided on the limit key and the limit block, and the connection between the limit block and the limit key is realized by sequentially passing the limit holes on the limit block and the limit key through a pin shaft; Both ends of the two limit blocks are also provided with force beams, the limit keys are arranged along the length direction of the lower large frame, the force beams are perpendicular to the limit keys, and the two ends of the limit keys are respectively abutted against the force beams at both ends.

9. The lower frame structure according to claim 8, characterized in that: The sliding bottom plate is also provided with a reinforcing plate, and the limiting block and the load-bearing beam are both provided on the reinforcing plate.

10. A transport vehicle, characterized in that: It comprises a lower frame structure as described in any one of claims 1-9.

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