Cab protection mechanism of forklift

Abstract

The utility model discloses a forklift cab protection mechanism, which relates to the field of forklifts and comprises a supporting middle rod, extending end rods are horizontally and symmetrically inserted into two ends of the supporting middle rod, supporting sleeve rods are vertically butted to the top surfaces of the extending end rods, and extending top rods are vertically inserted into the top ends of the supporting sleeve rods. The top end of the extending top rod is horizontally in butt joint with a vertex angle plate, a supporting inclined rod is obliquely arranged on the side edge between the supporting sleeve rods, a middle connecting column is inserted into the side edge of the supporting inclined rod, end sleeving grooves are horizontally and symmetrically inserted into the two ends of the supporting middle rod, and positioning screw holes are evenly formed in the bottom face of the extending end rod. A positioning screw rod is inserted into the bottom face of the supporting middle rod, a top groove hole is formed in the top face of the extending end rod, and buckle side grooves are symmetrically formed in the inner side edge of the top groove hole. Meanwhile, the corners are connected with the positioning and fixing structures in an abutting mode, so that the cab is protected more comprehensively.

Description

Technical Field

[0001] The utility model relates to the technical field of forklifts, in particular to a cab protection mechanism of a forklift. Background Art

[0002] A loader is a type of earthmoving machinery widely used in construction projects such as highways, railways, buildings, hydropower stations, ports, and mines. It is primarily used for loading bulk materials such as soil, sand, gravel, lime, and coal, and can also perform light excavation of ore and hard soil. By equipping it with various auxiliary devices, it can also perform bulldozing, lifting, and loading and unloading of other materials such as wood.

[0003] When using current forklifts, since the cab is a single glass room, during protective operations, support column structures are welded on the internal corners, making it impossible to disassemble the cab to meet the installation and use of forklifts of multiple specifications, resulting in limitations in installation and use. Utility Model Content

[0004] The purpose of the present utility model is to provide a cab protection mechanism for a forklift, so as to solve the problem raised in the above background technology that when the current forklift is in use, since the cab is provided with a single glass chamber, when performing the protection operation, the support column structure is welded at the internal corner position, making it impossible to disassemble it to meet the installation and use of the cab of forklifts of various specifications, resulting in limitations in installation and use.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A cab protection mechanism for a forklift comprises a supporting middle rod, wherein both ends of the supporting middle rod are horizontally symmetrically plugged with extension end rods, the top surface of the extension end rod is vertically connected to a supporting sleeve rod, the top end of the supporting sleeve rod is vertically plugged with an extension mandrel, the top end of the extension mandrel is horizontally connected with a top angle plate, support oblique rods are obliquely arranged on the sides between the supporting sleeve rods, a middle connecting column is plugged with a middle connecting column, both ends of the supporting middle rod are horizontally symmetrically plugged with end sleeve grooves, positioning screw holes are evenly opened on the bottom surface of the extension end rod, a positioning screw is plugged on the bottom surface of the supporting middle rod, and the extension end rods are vertically connected to the top end of the supporting sleeve rod. The top surface of the rod is provided with a top slot hole, and the inner side of the top slot hole is symmetrically provided with a snap-on side slot. The bottom end of the support sleeve rod is fixedly connected to the plug-in bottom block, and the two sides of the plug-in bottom block are symmetrically clamped with snap-on oblique blocks. The side of the support sleeve rod is inserted with a stabilizing screw. One side edge of the extended top rod is evenly provided with fixing screw holes, and the top of the extended top rod is provided with a top screw hole. The bottom surface of the top angle plate is welded with an installation screw vertically downward, and one side edge of the support sleeve rod is symmetrically provided with a side flip groove, and both ends of the support oblique rod are symmetrically welded with flip end blocks, and the sides of the flip end block are plugged with a connecting shaft rod.

[0007] As a preferred embodiment of the present invention: the number of the supporting middle rods is two, and the two supporting middle rods are arranged parallel to each other, the number of the extending end rods is four, and one end of the four extending end rods are horizontally plugged into the inner side of the end sleeve groove, the number of the supporting sleeve rods is consistent with the number of the extending end rods, and the bottom end of the supporting sleeve rod is docked at the top open end of the top slot hole.

[0008] As a preferred embodiment of the present invention: the extended top rod and the supporting sleeve rod are arranged in a telescopic rod structure with each other, the top angle plate is arranged in an L-shape, the supporting diagonal rods are arranged in groups of two and are connected to each other through a central connecting column, and the supporting diagonal rods are arranged in an X-shape on the side between the two groups of supporting sleeve rods.

[0009] As a preferred embodiment of the present invention: the positioning screw holes are arranged in a straight line and horizontally and equidistantly on the center line of the bottom surface of the extended end rod, the positioning screw rod is inserted through and arranged on the center line of the bottom surface of the supporting middle rod near the inside of the through holes at both ends, and the corresponding threaded fixed connection of the extended end is arranged on the inner side of the positioning screw hole.

[0010] As a preferred embodiment of the present invention: the top slot hole is opened at one end position away from the supporting middle rod, the bottom end of the plug-in bottom block is plugged into the inner side of the top slot hole, the fixing screw holes are arranged in a vertically equidistant line in the side center line position of the extended top rod, and one end of the stabilizing screw rod is horizontally extended and threadedly fixedly connected to the inner side of the fixing screw hole.

[0011] As a preferred embodiment of the present invention: the bottom end threaded fixed connection of the mounting screw is arranged on the inner side of the top screw hole, the side flip groove is symmetrically opened on the side center line of the support sleeve rod close to the top and bottom ends, and the flip end block is connected to the inner side of the side flip groove through a connecting shaft rod.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model places two supporting middle rods horizontally on the inner bottom surface of the cab of the forklift, and after the supporting middle rod is pulled to both sides, the supporting oblique rods at the positions between them are expanded to a specified size, so that the supporting middle rod is horizontally butted and arranged at the bottom side positions of the cab, and after the extending end rods at both ends are pulled to both ends, one end of the extending end rod is horizontally butted and arranged at the bottom four corners of the cab, and the supporting oblique rod squeezes the supporting sleeve rod and stabilizes it at the inner side corner positions of the cab, so as to form a specified top connection and fix the bottom four corners of the cab, and after one end of the positioning screw is fixedly connected to the positioning screw hole, the extending end rod is The end rod can be fixed at a specified length to support the operation, and then the top angle plate is fixedly connected to the inside of the top screw hole through the threaded installation screw on the bottom surface. After the extended top rod is stretched upward, the top surface of the top angle plate at the top is connected to the top corner of the cab and fixed. One end of the stabilizing screw is threadedly fixed to the inside of the fixing screw hole, so that the extended top rod can be maintained at a specified length, forming an overall support and fixing operation for the inner side of the cab. The multi-directional adjustable structure can meet the installation and use of cabs of multiple specifications, and the top positioning and fixing structure at the corners makes the protection of the cab more comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 The figure is a schematic diagram of the three-dimensional structure of a cab protection mechanism of a forklift;

[0016] Figure 2 This is a structural schematic diagram showing the front cross-sectional connection details of a supporting center rod of a forklift cab protection mechanism;

[0017] Figure 3 This is a structural schematic diagram showing the front cross-sectional connection details of a support sleeve rod of a cab protection mechanism of a forklift;

[0018] Figure 4 The diagram is a structural diagram showing the side cross-sectional connection details of a support sleeve rod of a cab protection mechanism of a forklift.

[0019] In the figure: 1. Support middle rod; 2. Extended end rod; 3. Support sleeve rod; 4. Extended top rod; 5. Top angle plate; 6. Support diagonal rod; 7. Center connecting column; 8. End sleeve groove; 9. Positioning screw hole; 10. Positioning screw; 11. Top slot hole; 12. Snap-on side groove; 13. Insert bottom block; 14. Snap-on diagonal block; 15. Stabilizing screw; 16. Fixing screw hole; 17. Top screw hole; 18. Mounting screw; 19. Side flip groove; 20. Flip end block; 21. Connecting shaft. DETAILED DESCRIPTION

[0020] See also Figure 1 In the embodiment of the present invention, a cab protection mechanism of a forklift includes a supporting middle rod 1, and the two ends of the supporting middle rod 1 are horizontally symmetrically plugged with extension end rods 2, and the top surface of the extension end rod 2 is vertically connected with a supporting sleeve rod 3. The number of the supporting middle rods 1 is two, and the two supporting middle rods 1 are arranged parallel to each other, the number of the extension end rods 2 is four, and one end of the four extension end rods 2 is horizontally correspondingly plugged in the inner side of the end sleeve groove 8, the number of the supporting sleeve rods 3 is consistent with the number of the extension end rods 2, and the bottom ends of the supporting sleeve rods 3 are aligned with each other. The top opening end of the top slot hole 11 is connected, the top of the support sleeve rod 3 is vertically plugged with an extension rod 4, the top of the extension rod 4 is horizontally docked with a top angle plate 5, and the sides of the support sleeve rods 3 are obliquely provided with support diagonal rods 6, and the sides of the support diagonal rods 6 are plugged with a middle connecting column 7. The extension rod 4 and the support sleeve rod 3 are arranged in a telescopic rod structure with each other, and the top angle plate 5 is arranged in an L-shape. The support diagonal rods 6 are connected to each other in pairs through the center of the middle connecting column 7, and the support diagonal rods 6 are arranged in an X-shape on the side between the two groups of support sleeve rods 3;

[0021] See also Figure 2-4The bottom of the support rod 3 is provided with a fixed bottom block 13, and the two sides of the support rod 3 are symmetrically connected with the end sleeve groove 8. The bottom surface of the extended end rod 2 is evenly provided with positioning screw holes 9. The bottom surface of the support rod 1 is provided with a positioning screw 10. The positioning screw holes 9 are arranged in a straight line and are arranged at the center line of the bottom surface of the extended end rod 2 at equal intervals. The positioning screw 10 is inserted into the bottom surface of the support rod 1 at the center line of the bottom surface of the support rod 1 close to the through holes at both ends, and the corresponding extended ends are fixedly connected with the inner side edges of the positioning screw holes 9. The top surface of the extended end rod 2 is provided with a top slot hole 11. The inner side edges of the top slot hole 11 are symmetrically provided with a snap-on side groove 12. The bottom end of the support sleeve rod 3 is fixedly connected with a plug-in bottom block 13. The two sides of the plug-in bottom block 13 are symmetrically connected with a snap-on oblique block 14. The side of the support sleeve rod 3 is provided with a stabilizing screw 15. One side of the extended top rod 4 is evenly provided with fixing screw holes 16. The top slot hole The top of the extended top rod 4 is provided with a top screw hole 17, and the bottom surface of the top angle plate 5 is welded with a mounting screw 18 vertically downward. A side flip groove 19 is symmetrically provided on one side of the support sleeve 3, and a flip end block 20 is symmetrically welded at both ends of the supporting oblique rod 6. The side of the flip end block 20 is plugged with a connecting shaft 21, and the bottom end of the mounting screw 18 is threadedly fixedly connected to the inner side of the top screw hole 17. The side flip groove 19 is symmetrically provided on the side center line of the support sleeve 3 near the top and bottom ends, and the flip end block 20 is connected to the inner side of the side flip groove 19 through the connecting shaft 21.

[0022] The working principle of this utility model is:

[0023] Place the two supporting middle rods 1 horizontally on the inner bottom surface of the cab of the forklift. After the supporting middle rod 1 is pulled to both sides, the supporting diagonal rods 6 between the positions are expanded to the specified size, so that the supporting middle rod 1 is horizontally docked and set at the bottom side position of the cab. After the extension end rods 2 at both ends are pulled to both ends, one end of the extension end rod 2 is horizontally docked and set at the bottom four corners of the cab. The supporting diagonal rods 6 squeeze the supporting sleeve rods 3 and stabilize them at the inner corners of the cab, forming a specified top connection and fixation of the bottom four corners of the cab, and fixing them at the fixed After one end of the positioning screw 10 is fixedly connected to the positioning screw hole 9, the extended end rod 2 can be fixed at the specified length for support operation, and then the top angle plate 5 is threadedly fixedly connected to the inside of the top screw hole 17 through the installation screw 18 on the bottom surface. After the extended top rod 4 is stretched upward, the top surface of the top angle plate 5 at the top is connected and fixed to the top corner of the cab, and one end of the stabilizing screw 15 is threadedly fixedly connected to the inside of the fixing screw hole 16, so that the extended top rod 4 can be maintained at the specified length, forming an overall support and top fixing operation for the inner side of the cab.

[0024] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cab protection mechanism for a forklift, comprising a supporting middle rod (1), characterized in that: The two ends of the supporting middle rod (1) are horizontally and symmetrically plugged with extension end rods (2), the top surface of the extension end rod (2) is vertically connected with a support sleeve rod (3), the top end of the support sleeve rod (3) is vertically plugged with an extension top rod (4), the top end of the extension top rod (4) is horizontally connected with a top angle plate (5), the side edges of the supporting sleeve rods (3) are obliquely provided with support diagonal rods (6), the side edges of the support diagonal rods (6) are plugged with a middle connecting column (7), the two ends of the supporting middle rod (1) are horizontally and symmetrically plugged with end sleeve grooves (8), the bottom surface of the extension end rod (2) is evenly provided with positioning screw holes (9), the bottom surface of the supporting middle rod (1) is plugged with a positioning screw (10), the top surface of the extension end rod (2) is provided with a top slot hole (11), the top slot hole The inner side of the support sleeve (11) is symmetrically provided with a snap side groove (12), the bottom end of the support sleeve (3) is fixedly connected with a plug-in bottom block (13), and the two sides of the plug-in bottom block (13) are symmetrically connected with snap oblique blocks (14), the side of the support sleeve (3) is plugged with a stabilizing screw (15), one side of the extension top rod (4) is evenly provided with a fixing screw hole (16), the top of the extension top rod (4) is provided with a top screw hole (17), the bottom surface of the top angle plate (5) is vertically welded with a mounting screw (18), one side of the support sleeve (3) is symmetrically provided with a side flip groove (19), the two ends of the support oblique rod (6) are symmetrically welded with flip end blocks (20), and the side of the flip end block (20) is plugged with a connecting shaft (21).

2. The cab protection mechanism of a forklift according to claim 1, characterized in that: The number of the supporting middle rods (1) is two, and the two supporting middle rods (1) are arranged in parallel with each other. The number of the extending end rods (2) is four, and one end of each of the four extending end rods (2) is horizontally correspondingly plugged into the inner side of the end sleeve groove (8). The number of the supporting sleeve rods (3) is arranged to be consistent with the number of the extending end rods (2), and the bottom end of the supporting sleeve rod (3) is docked and arranged at the top open end of the top slot hole (11).

3. The cab protection mechanism of a forklift according to claim 1, characterized in that: The extending top rod (4) and the supporting sleeve rod (3) are arranged in a telescopic rod structure with each other, the top angle plate (5) is arranged in an L-shape, and the supporting diagonal rods (6) are connected to each other in groups of two through a central connecting column (7), and the supporting diagonal rods (6) are arranged in an X-shape at the side between the two groups of supporting sleeve rods (3).

4. The cab protection mechanism of a forklift according to claim 1, characterized in that: The positioning screw holes (9) are arranged in a straight line and are arranged at equal intervals on the bottom center line of the extension end rod (2). The positioning screw rod (10) is inserted through the bottom center line of the supporting middle rod (1) near the inside of the through holes at both ends, and the corresponding threaded connection of the extension end is arranged on the inner side of the positioning screw hole (9).

5. The cab protection mechanism of a forklift according to claim 1, characterized in that: The top slot hole (11) is opened at an end position away from the supporting middle rod (1), the bottom end of the plug-in bottom block (13) is plugged into the inner side of the top slot hole (11), the fixing screw holes (16) are arranged in a vertically equidistant inline position on the side center line of the extended top rod (4), and one end of the stabilizing screw rod (15) is horizontally extended and threadedly fixedly connected to the inner side of the fixing screw hole (16).

6. The cab protection mechanism of a forklift according to claim 1, characterized in that: The bottom end of the mounting screw rod (18) is threadedly fixedly connected to the inner side of the top screw hole (17); the side flip groove (19) is symmetrically opened on the side center line of the support sleeve rod (3) near the top and bottom ends; the flip end block (20) is connected to the inner side of the side flip groove (19) through the connecting shaft rod (21).

Images