Forklift lifting door with infrared distance measuring function

Abstract

The utility model discloses a kind of fork-lift truck lifting door with infrared ranging function, it includes the lifting door body being installed in the front of fork-lift truck, the lifting door body is composed of outer door frame, inner door frame, pallet fork frame, inner door frame is installed in the inboard of outer door frame, pallet fork frame is installed in the front of inner door frame, lifting cylinder is installed in the middle position or both sides of outer door frame, the top lifting rod of this lifting cylinder is fixed with the top of inner door frame, lifting cylinder promotes inner door frame to rise, to make pallet fork frame move up and down, the top of inner door frame is also installed with infrared reflector, corresponding with the infrared emission plate below fork-lift truck, infrared emission plate is connected with car machine, when lifting cylinder works, lifting height is monitored in real time by infrared emission plate and infrared reflector. The utility model whole structure is simple and reasonable, practical and convenient.

Description

Technical Field

[0001] This utility model belongs to the field of forklift technology, specifically relating to a forklift lifting door with infrared ranging function. Background Technology

[0002] Forklifts are industrial handling vehicles, referring to various wheeled handling vehicles used for loading, unloading, stacking, and short-distance transportation of palletized goods. They belong to the category of material handling machinery and are widely used in stations, ports, airports, factories, warehouses, and other places. They are highly efficient equipment for mechanized loading, unloading, stacking, and short-distance transportation. During the use of forklifts, operators need to raise and lower the forks according to the actual situation. However, existing forks generally do not have distance measurement functions, requiring operators to repeatedly get on and off the vehicle to confirm that the height and distance of the forks are correct before proceeding with subsequent operations, which greatly reduces the overall work efficiency.

[0003] To address this issue, a forklift lifting gate with infrared ranging function was designed to overcome the aforementioned problems. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a forklift lifting door with infrared ranging function that is simple and reasonable in structure, practical and convenient, safe and efficient, and greatly improves work efficiency.

[0005] This utility model is achieved through the following technical solution: a forklift lifting gate with infrared ranging function, comprising a lifting gate body installed in front of the forklift, the lifting gate body being composed of an outer mast, an inner mast, and a fork carriage, the inner mast being installed inside the outer mast, and the fork carriage being installed in front of the inner mast, a lifting cylinder being installed in the middle or on both sides of the outer mast, the top lifting rod of the lifting cylinder being fixed to the top of the inner mast, the lifting cylinder lifting drives the inner mast to rise, causing the fork carriage to move up and down, an infrared reflector being installed on the top of the inner mast, corresponding to an infrared emitting plate under the forklift, the infrared emitting plate being connected to the vehicle's control unit, when the lifting cylinder is working, the lifting height is monitored in real time through the infrared emitting plate and the infrared reflector.

[0006] Preferably, the outer mast consists of two support frames on both sides, and an upper connecting frame, a middle connecting frame, and a lower connecting frame connecting the two support frames. The lower connecting frame has a limiting groove, which is inserted into a slot on the forklift for fixation. The middle connecting frame has bolt holes, which are used to fix it to the forklift body. The support frames are respectively provided with vertical guide rails on their inner sides. The inner mast is embedded in the guide rails and can be raised and lowered on the guide rails. The lifting cylinders are welded and fixed to both sides of the support frames, and are connected to the hydraulic station on the forklift at the rear through lifting hoses.

[0007] Preferably, the inner mast consists of lifting frames on both sides and upper and lower lifting connecting frames at the top and bottom. The lower lifting connecting frame has two protruding limiting protrusions on its outer side, and a limiting protrusion is also provided on the inner side of the top of the outer mast. The lifting frames on both sides are provided with pulleys embedded in the guide rails. The inner mast moves up and down within the outer mast through the pulleys and limiting protrusions. The inner mast is also provided with a track, and a lifting device is provided in the track. The lifting device is connected to the fork carriage, so that the fork carriage moves up and down on the inner mast.

[0008] Preferably, the lifting device is a chain. A connecting plate is provided at the bottom of the fork carriage near the inner mast. Rollers are provided on the two outer sides of the connecting plate. The rollers are embedded in the tracks provided on the inner mast. A fixing frame is installed on the inner side of the connecting plate. The fixing frame is provided with fixing buckles. A fixing seat is also installed on the upper connecting frame of the outer mast. Roller seats are installed on the two sides below the inner mast. Mast rollers are installed on the roller seats. The chain is installed on the mast rollers. One end is fixed to the lower fork carriage, and the other end is installed on the upper outer mast. When the lifting cylinder drives the inner mast to rise and fall, the chain also drives the fork carriage to rise and fall on the inner mast at the same time.

[0009] The beneficial effects of this utility model are as follows:

[0010] The forklift lifting door with infrared ranging function designed in this utility model has an infrared reflector installed on the top of the inner mast, which corresponds to the infrared emitting plate under the forklift. The infrared emitting plate is connected to the vehicle's control unit. When the lifting cylinder is working, the lifting height is monitored in real time through the infrared emitting plate and the infrared emitting plate. This avoids the problem of operators having to frequently get on and off the vehicle to check the height during operation, thereby greatly improving the overall work efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall assembly structure of this utility model.

[0012] Figure 2 This is a schematic diagram of the exploded structure of this utility model. Detailed Implementation

[0013] To enable those skilled in the art to more clearly understand the purpose, technical solution and advantages of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0014] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "horizontal", and "vertical" are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0015] The present invention will now be described in detail with reference to the accompanying drawings: Figure 1-2 As shown, a forklift lifting gate with infrared ranging function includes a lifting gate body installed at the front of the forklift. The lifting gate body consists of an outer mast 1, an inner mast 2, and a fork carriage 3. The inner mast 2 is installed inside the outer mast 1, and the fork carriage 3 is installed in front of the inner mast 2. A lifting cylinder 4 is installed in the middle or on both sides of the outer mast 1. The top lifting rod of the lifting cylinder 4 is fixed to the top of the inner mast 2. The lifting cylinder 4 lifts the inner mast 2, causing the fork carriage 3 to move up and down. An infrared reflector 6 is also installed in the middle of the inner mast 2, corresponding to an infrared emitting plate 5 under the forklift. The infrared emitting plate 5 is connected to the vehicle's control unit. When the lifting cylinder 4 is working, the lifting height is monitored in real time through the infrared emitting plate 5 and the infrared reflector 6.

[0016] The outer mast 1 consists of two support frames 7 on both sides, and an upper connecting frame 8, a middle connecting frame 9, and a lower connecting frame 10 connecting the two support frames 7. The lower connecting frame 10 has a limiting groove 11, which is inserted into the slot on the forklift for fixation. The middle connecting frame 9 has bolt holes 12, which are fixed to the forklift body. The support frames 7 are respectively provided with vertical guide rails 13 on their inner sides. The inner mast 2 is embedded in the guide rails 13 and can be raised and lowered on the guide rails 13. The lifting cylinder 4 is welded and fixed to both sides of the support frame 7, and is connected to the hydraulic station on the forklift (not shown in the figure) at the rear through a lifting hose (not shown in the figure).

[0017] The inner mast 2 is composed of lifting frames 14 on both sides, and upper lifting connecting frames 15 and lower lifting connecting frames 16 arranged above and below. The lower lifting connecting frame 16 has two protruding limiting protrusions 17 on its outer side. Limiting protrusions are also provided on the top of the outer mast 1 on the opposite inner side. The lifting frames 14 on both sides are provided with pulleys 18 embedded in the guide rails 13. The inner mast 2 is raised and lowered inside the outer mast 1 by the pulleys 18 and the limiting protrusions 17. The inner side of the inner mast 2 is also provided with a track 19. A lifting device is provided in the track 19. The lifting device is connected to the fork carriage 3, so that the fork carriage 3 can be raised and lowered on the inner mast 2.

[0018] The lifting device is a chain 20. A connecting plate 21 is provided at the bottom of the fork carriage 3 near the inner mast 2. Rollers 22 are provided on the two outer sides of the connecting plate 21. The rollers 22 are embedded in the rails 19 provided on the inner mast 2. A fixing frame 23 is installed on the inner side of the connecting plate 21. A fixing buckle 24 is provided on the fixing frame 23. A fixing seat 27 is also installed on the upper connecting frame 8 of the outer mast 1. Roller seats 25 are installed on the two sides below the inner mast 2. Mast rollers 26 are installed on the roller seats 25. The chain 20 is installed on the mast rollers 26. One end is fixed to the lower fork carriage 3, and the other end is installed on the upper outer mast 1. When the lifting cylinder drives the inner mast 2 to rise and fall, the chain 20 also drives the fork carriage 3 to rise and fall on the inner mast 2 at the same time.

[0019] The specific embodiments described herein are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A forklift lifting gate with infrared ranging function, comprising a lifting gate body installed in front of the forklift, characterized in that: The lifting gate body consists of an outer mast, an inner mast, and a fork carriage. The inner mast is installed inside the outer mast, and the fork carriage is installed in front of the inner mast. A lifting cylinder is installed in the middle or on both sides of the outer mast. The lifting rod at the top of the lifting cylinder is fixed to the top of the inner mast. The lifting cylinder lifts the inner mast, causing the fork carriage to move up and down. An infrared reflector is also installed on the top of the inner mast, corresponding to the infrared emitting plate under the forklift. The infrared emitting plate is connected to the vehicle's control unit. When the lifting cylinder is working, the lifting height is monitored in real time through the infrared emitting plate and the infrared reflector.

2. The forklift lifting gate with infrared ranging function according to claim 1, characterized in that: The outer mast consists of support frames on both sides, and an upper connecting frame, a middle connecting frame, and a lower connecting frame connecting the support frames on both sides. The lower connecting frame has a limiting groove, which is inserted into the slot on the forklift for fixation. The middle connecting frame has bolt holes, which are used to fix it to the forklift body. The support frames are respectively provided with vertical guide rails on their inner sides. The inner mast is embedded in the guide rails and can be raised and lowered on the guide rails. The lifting cylinders are welded and fixed to both sides of the support frames, and are connected to the hydraulic station on the forklift at the rear through lifting hoses.

3. The forklift lifting door with infrared ranging function according to claim 2, characterized in that: The inner mast consists of lifting frames on both sides and upper and lower lifting connecting frames at the top and bottom. The lower lifting connecting frame has two protruding limiting protrusions on its outer side, and there are also limiting protrusions on the top of the outer mast on the opposite inner side. The lifting frames on both sides have pulleys embedded in the guide rails on their outer sides. The inner mast moves up and down within the outer mast through the pulleys and limiting protrusions. The inner mast also has a track on its inner side, and a lifting device is installed in the track. The lifting device is connected to the fork carriage, which allows the fork carriage to move up and down on the inner mast.

4. The forklift lifting gate with infrared ranging function according to claim 2, characterized in that: The lifting device is a chain. A connecting plate is provided at the bottom of the fork carriage near the inner mast. Rollers are provided on the two outer sides of the connecting plate. The rollers are embedded in the tracks provided on the inner mast. A fixing frame is installed on the inner side of the connecting plate. The fixing frame is provided with fixing buckles. A fixing seat is also installed on the upper connecting frame of the outer mast. Roller seats are installed on the two opposite sides below the inner mast. Mast rollers are installed on the roller seats. The chain is installed on the mast rollers. One end is fixed to the lower fork carriage, and the other end is installed on the upper outer mast. When the lifting cylinder drives the inner mast to rise and fall, the chain also drives the fork carriage to rise and fall on the inner mast at the same time.

Images