Locking and fixing structure of container

Abstract

The utility model discloses a container locking and fixing structure which comprises a vehicle underframe and a movable support, the movable support can be rotatably connected to the vehicle underframe, main cross beams are arranged at the front end and the rear end of the movable support respectively, locking mechanisms are arranged at the bottoms of the two ends of each main cross beam respectively, and each locking mechanism controls a locking block to rotate. Mounting grooves are formed in the four corners of the bottom of the container, locking clamping bases are arranged in the four mounting grooves, when the container is placed on the movable support, the locking blocks extend into the locking clamping bases, the locking mechanisms control the locking blocks to rotate, and the locking blocks are limited in the locking clamping bases. The rotation angle of the locking block is 90 degrees, so that the locking block can rotate to another direction to limit the movement of the container. The four locking mechanisms are all controlled by the air cylinders, the four locking blocks are controlled to rotate at the same time, the locking efficiency is higher, and the locking mechanisms and the locking blocks are simple in structure and easy to achieve.

Description

Technical Field

[0001] The utility model relates to a container fixing mechanism on a transport vehicle, in particular to a container locking and fixing structure. Background Art

[0002] In order to facilitate the loading and unloading of goods, the containers on the transport vehicles are generally designed to be detachable from the frame. After the containers are loaded with goods, they are placed on the frame by a lifting machine. The frame is provided with a plurality of snap structures for fixing the containers. The operation of such snap structures generally requires manual operation, which is inconvenient.

[0003] There is a container self-locking device, the Chinese patent application number is CN2021228392964, this self-locking device adopts the connecting rod principle, uses the prying plate to control the bending rope, so that the two self-locking rods connected to the bending rope are close to each other, and then drive the upper end of the hinged clamp rod to approach each other, drive the two corner hole rods to move and get stuck into the corner holes of the corner hole piece, and directly fix and lock the container. This self-locking structure is relatively complex and requires manual control to achieve. Summary of the invention

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the utility model aims to provide a locking and fixing structure for a container.

[0005] The purpose of the utility model is achieved through the following technical scheme: a locking and fixing structure of a container, comprising a vehicle chassis and a movable bracket, the movable bracket is rotatably connected to the vehicle chassis, the front and rear ends of the movable bracket are provided with main beams, the bottom of both ends of the main beam are provided with locking mechanisms, and the locking mechanism controls the rotation of a locking block.

[0006] It also includes a container, wherein the four corners of the bottom of the container are provided with mounting grooves, and the four mounting grooves are provided with locking seats. When the container is placed on the movable bracket, the locking block extends into the locking seat, and the locking mechanism controls the rotation of the locking block, and the locking block is restricted in the locking seat. The rotation angle of the locking block is 90 degrees, which can make the locking block rotate to another direction to limit the movement of the container. The four locking mechanisms are all controlled by cylinders, and the rotation of the four locking blocks is controlled at the same time, which has higher locking efficiency, and the structure of the locking mechanism and the locking block is simple and easy to implement.

[0007] As an improvement of the locking and fixing structure of the container of the utility model, a rectangular through hole is provided at the bottom of the locking socket, a locking cavity is provided inside the locking socket, the rectangular through hole is communicated with the locking cavity, the locking block extends from the rectangular through hole into the locking cavity, and when the locking block rotates, it is restricted in the locking cavity.

[0008] As an improvement to the locking and fixing structure of the container of the utility model, the locking block has a square bottom and a conical top, the square bottom has the same shape as the rectangular through hole, and when the locking block is rotated 90 degrees, the square bottom and the rectangular through hole are in a cross-shaped state.

[0009] As an improvement of the locking and fixing structure of the container of the utility model, the locking mechanism includes a cylinder and a rotating connecting piece, the piston rod end of the cylinder is provided with a connecting seat, the connecting seat is provided with a slot, the rotating connecting piece is provided with a connecting hole and an arc-shaped connecting plate, one end of the arc-shaped connecting plate extends into the slot and is movably connected to the connecting seat with a pin, a connecting rod is inserted into the connecting hole, and the end of the connecting rod is connected to the bottom of the locking block.

[0010] As an improvement to the locking and fixing structure of the container of the utility model, through holes are provided at both ends of the main beam, the connecting rod passes through the bottom of the through hole to the top, and the cylinder body of the cylinder is movably connected to the bottom of the main beam through an axle pin and an axle pin seat.

[0011] As an improvement of the locking and fixing structure of the container of the utility model, the two sides of the vehicle chassis are respectively provided with a rotating shaft seat, and the two sides of the movable bracket are respectively connected to the rotating shaft seat through a rotating shaft.

[0012] As an improvement of the locking and fixing structure of the container of the utility model, the front end of the movable bracket is provided with a side plate, the side plate is provided with two support arms, a support rod connecting sleeve is provided between the two support arms, and the support rod connecting sleeve can be rotatably connected to the support arm.

[0013] As an improvement of the locking and fixing structure of the container of the utility model, a supporting drive is provided on the vehicle bottom frame, and the supporting drive is connected to the support rod connecting sleeve through a telescopic rod.

[0014] As an improvement of the locking and fixing structure of the container of the utility model, the support drive is a hydraulic cylinder, an oil cylinder or a gas cylinder.

[0015] The beneficial effect of the utility model is that the rotation angle of the locking block of the utility model is 90 degrees, and the locking block can be rotated to another direction to limit the movement of the container. The four locking mechanisms are all controlled by cylinders, and the four locking blocks are controlled to rotate at the same time, so the locking efficiency is higher, and the structures of the locking mechanism and the locking block are simple and easy to implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a state diagram of the movable bracket of the utility model when it is not flipped up;

[0017] Figure 2 This is a state diagram of the movable bracket of the utility model when it is turned up;

[0018] Figure 3 It is a structural schematic diagram of the locking mechanism of the utility model controlling the locking block to engage with the locking card seat;

[0019] Figure 4 It is a structural schematic diagram of the connection between the locking block and the connecting rod of the utility model;

[0020] Figure 5 It is a schematic diagram of the container structure of the utility model;

[0021] The accompanying drawings are marked as follows: 1. chassis, 2. movable bracket, 3. main crossbeam, 4. locking mechanism, 5. locking block, 6. container, 7. mounting groove, 8. locking card seat, 9. shaft seat, 10. side plate, 11. support arm, 12. support rod connecting sleeve, 13. support drive, 14. telescopic rod, 41. cylinder, 42. rotating connecting piece, 43. connecting seat, 44. arc-shaped connecting plate, 45. connecting rod, 51. square bottom, 52. conical top, 81. rectangular through hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0024] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0025] like Figure 1-Figure 5As shown, a locking and fixing structure of a container includes a chassis 1 and a movable bracket 2. The movable bracket 2 is rotatably connected to the chassis 1. Main cross beams 3 are provided at both ends of the movable bracket 2. Locking mechanisms 4 are provided at the bottom of both ends of the main cross beam 3. The locking mechanism 4 controls the rotation of a locking block 5.

[0026] It also includes a container 6, and the four corners of the bottom of the container 6 are provided with mounting grooves 7, and the four mounting grooves 7 are provided with locking seats 8, which are welded and fixed in the mounting grooves 7. When the container 6 is placed on the movable bracket 2, the locking block 5 extends into the locking seat 8, and the locking mechanism 4 controls the rotation of the locking block 5, and the locking block 5 is restricted in the locking seat 8. The rotation angle of the locking block 5 is 90 degrees, which can make the locking block 5 rotate to another direction to limit the movement of the container 6. The four locking mechanisms 4 are all controlled by cylinders, and the four locking blocks 5 are controlled to rotate at the same time, so the locking efficiency is higher, and the structures of the locking mechanism 4 and the locking block 5 are simple and easy to implement.

[0027] Preferably, a rectangular through hole 81 is provided at the bottom of the locking socket 8, and a locking cavity is provided inside the locking socket 8. The rectangular through hole 81 is connected to the locking cavity, and the locking block 5 extends from the rectangular through hole 81 into the locking cavity. When the locking block 5 rotates, it is restricted in the locking cavity.

[0028] Preferably, the locking block 5 has a square bottom 51 and a conical top 52 , the square bottom 51 and the rectangular through hole 81 have the same shape, and when the locking block 5 rotates 90 degrees, the square bottom 51 and the rectangular through hole 81 are in a cross-shaped state.

[0029] Preferably, the locking mechanism 4 includes a cylinder 41 and a rotating connecting member 42, the piston rod end of the cylinder 41 is provided with a connecting seat 43, the connecting seat 43 is provided with a slot, the rotating connecting member 42 is provided with a connecting hole and an arc-shaped connecting plate 44, one end of the arc-shaped connecting plate 44 extends into the slot and is movably connected to the connecting seat 43 by a latch, a connecting rod 45 is inserted in the connecting hole, and the end of the connecting rod 45 is connected to the bottom of the locking block 5.

[0030] Preferably, both ends of the main cross beam 3 are provided with through holes, and the connecting rod 45 passes through the bottom of the through hole to the top, and the cylinder body of the cylinder 41 is movably connected to the bottom of the main cross beam 3 through an axle pin and an axle pin seat.

[0031] Preferably, both sides of the vehicle bottom frame 1 are respectively provided with a shaft seat 9, and both sides of the movable bracket 2 are respectively connected to the shaft seat 9 through a shaft.

[0032] Preferably, a side stand 10 is provided at the front end of the movable bracket 2, two support arms 11 are provided on the side stand 10, a support rod connecting sleeve 12 is provided between the two support arms 11, and the support rod connecting sleeve 12 is rotatably connected to the support arm 11.

[0033] Preferably, a support drive 13 is provided on the vehicle bottom frame 1 , and the support drive 13 is connected to the support rod connecting sleeve 12 via a telescopic rod 14 .

[0034] Preferably, the support drive 13 is a hydraulic cylinder, an oil cylinder or a pneumatic cylinder.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and structures of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A container locking and fixing structure, comprising a vehicle frame and a movable bracket, wherein the movable bracket is rotatably connected to the vehicle frame, characterized in that: The front and rear ends of the movable bracket are both provided with main crossbeams, and the bottoms of both ends of the main crossbeam are both provided with locking mechanisms, and the locking mechanisms control a locking block to rotate; It also includes a container, wherein the four corners of the bottom of the container are provided with installation grooves, and the four installation grooves are provided with locking sockets. When the container is placed on the movable bracket, the locking block extends into the locking socket, and the locking mechanism controls the rotation of the locking block, and the locking block is restricted in the locking socket.

2. The container locking and fixing structure according to claim 1, characterized in that: A rectangular through hole is provided at the bottom of the locking socket, and a locking cavity is provided inside the locking socket. The rectangular through hole is communicated with the locking cavity, and the locking block extends from the rectangular through hole into the locking cavity. When the locking block rotates, it is restricted in the locking cavity.

3. The container locking and fixing structure according to claim 2, characterized in that: The locking block has a square bottom and a conical top, the square bottom has the same shape as the rectangular through hole, and when the locking block is rotated 90 degrees, the square bottom and the rectangular through hole are in a cross-shaped state.

4. The container locking and fixing structure according to claim 3, characterized in that: The locking mechanism includes a cylinder and a rotating connecting piece, a connecting seat is provided at the piston rod end of the cylinder, a slot is provided on the connecting seat, a connecting hole and an arc-shaped connecting plate are provided on the rotating connecting piece, one end of the arc-shaped connecting plate extends into the slot and is movably connected to the connecting seat by a latch, a connecting rod is inserted into the connecting hole, and the end of the connecting rod is connected to the bottom of the locking block.

5. The container locking and fixing structure according to claim 4, characterized in that: Through holes are provided at both ends of the main cross beam, the connecting rod passes through the bottom of the through hole to the top, and the cylinder body of the cylinder is movably connected to the bottom of the main cross beam through an axle pin and an axle pin seat.

6. The container locking and fixing structure according to claim 1, characterized in that: The two sides of the vehicle underframe are respectively provided with rotating shaft seats, and the two sides of the movable bracket are respectively connected to the rotating shaft seats through rotating shafts.

7. The container locking and fixing structure according to claim 1, characterized in that: A side vertical plate is provided at the front end of the movable bracket, two support arms are provided on the side vertical plate, a support rod connecting sleeve is provided between the two support arms, and the support rod connecting sleeve is rotatably connected to the support arm.

8. The container locking and fixing structure according to claim 7, characterized in that: The vehicle underframe is provided with a supporting drive, and the supporting drive is connected with the support rod connecting sleeve through a telescopic rod.

9. The container locking and fixing structure according to claim 8, characterized in that: The support drive is a hydraulic cylinder, an oil cylinder or a gas cylinder.

Images