Explosion-proof forklift
By setting up a confined space and filter circulation components in the brakes of the forklift, the problem of explosion caused by sparks caused by the exposure of claw disc brakes to gas air in the underground forklift is solved, and effective prevention of gas explosion and stability guarantee of brakes is achieved.
Patent Information
- Application Number
- CN202422059453.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The clamp disc brake type of the underground forklift is exposed to the gas air, which poses a safety hazard caused by sparks to gas explosion.
An explosion-proof forklift is designed, and its brake body includes a main body, a filter assembly, a circulation assembly, a brake assembly and a reset assembly. The brake assembly is arranged in a closed space and is filled with gear oil. The filtering and circulation assembly are used to maintain the mass of gear oil.
Isolate the outside gas through a confined space to prevent sparks from causing explosions, and maintain the stability of the brakes through filtering and circulation components, effectively preventing gas explosions caused by sparks in brake brakes.
Smart Images

Figure CN223016432U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of forklifts, and more specifically to an explosion-proof forklift. Background Art
[0002] A forklift is a self-propelled loading, unloading and conveying machine equipped with a fork and a lifting device. It is various wheeled handling vehicles for loading, unloading, stacking and short-distance transportation operations of palletized goods. For inconvenient handling underground, a forklift is needed. Since the air underground contains gas, there are safety hazards in the parking brake of ordinary forklifts. Because the disc brake type is directly exposed to the air, it is easy to generate sparks during braking, which may then trigger a coal mine gas explosion. Content of the Utility Model
[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides an explosion-proof forklift to solve the problems existing in the above-mentioned background art.
[0004] The utility model provides the following technical solution: an explosion-proof forklift, including a forklift body and a brake body installed on the forklift body. The brake body includes a main body and a filter component, a circulation component, a braking component and a reset component installed inside the main body. The left end cover and the right end cover are installed on the main body through bolts, and a mounting seat is installed inside the main body. By setting the filter component, it is convenient to filter and separate the gear oil in the brake body. By setting the circulation component, it is convenient for the gear oil in the brake body to circulate. By setting the braking component, it is convenient to achieve the braking effect. By setting the reset component, it is convenient to push the static friction block and the dynamic friction block to separate.
[0005] Further, the filter component includes a filter screen and a mounting clip for positioning the filter screen. The mounting clip is installed on the main body, and the filter screen is installed on the main body through the mounting clip. The edge of the filter screen is in close contact with the inner surface of the main body, and the shape of the mounting clip is "L". By setting the filter screen, it is convenient to filter and separate the gear oil in the brake body. By setting the mounting clip, it is convenient to position and install the filter screen.
[0006] Further, the circulation component includes a blade, a channel and a through hole provided on the mounting seat. A driving shaft is installed on the left side surface of the mounting seat, the blade is installed on the driving shaft, the channel is provided on the main body, a reserved port is provided on the surface of the driving shaft, the reserved port is communicated with the internal cavity of the driving shaft, and the cavity is communicated with the through hole on the mounting seat. By setting the blade, it is convenient to push the gear oil to flow. By setting the channel and the through hole, it is convenient to ensure the circulating flow of the gear oil.
[0007] Furthermore, the braking assembly includes a static friction block and a dynamic friction block. The static friction block is fixedly connected to the right surface of the mounting seat, and the dynamic friction block is arranged on the right side of the static friction block. The static friction block and the dynamic friction block are provided to facilitate the generation of frictional force for braking.
[0008] Furthermore, an installation post is fixedly connected to the right surface of the dynamic friction block, and a piston plate is fixedly connected to the right surface of the installation post away from the dynamic friction block. The installation post is provided to facilitate the connection of the dynamic friction block and the piston plate, and the piston plate is provided to facilitate bearing pressure.
[0009] Furthermore, the reset assembly includes a guide rod and a reset spring. The guide rod penetrates the dynamic friction block. The number of guide rods corresponds to the number of reset springs, and the guide rods and the reset springs are annularly arrayed around the axis of the dynamic friction block. The guide rod is provided to position and guide the moving dynamic friction block, and the reset spring is provided to facilitate the release of braking.
[0010] Furthermore, a mounting block is fixedly connected inside the main body. The guide rod is installed on the mounting block, and the reset spring is arranged between the mounting block and the dynamic friction block. The mounting block is provided to facilitate the positioning and installation of the guide rod and the reset spring.
[0011] Furthermore, a pipeline is fixedly connected to the right end cover. The pipeline is communicated with the inside of the main body. An oil filling port is arranged on the left end cover, and a seal cover is arranged on the oil filling port. The oil filling port is communicated with the inside of the main body. The oil filling port is provided to facilitate the filling of gear oil.
[0012] Technical effects and advantages of the present utility model:
[0013] 1. In the present utility model, by arranging the braking assembly in a closed space, it can isolate the gas in the external air. At the same time, the closed space is filled with gear oil, which can extinguish the spark immediately when a spark appears, and can effectively prevent gas explosion caused by the spark generated during the braking of the brake.
[0014] 2. In the present utility model, by arranging the filtering assembly and the circulating assembly, the impurities contained in the gear oil in the brake body can be effectively filtered and separated, which is beneficial to ensuring the braking stability of the brake. Description of the Drawings
[0015] Figure 1 It is a three-dimensional external structure diagram of the brake body of the present utility model
[0016] Figure 2Schematic diagram of the internal structure of the brake body of the present utility model;
[0017] Figure 3 Front view of the external structure of the brake of the present utility model;
[0018] Figure 4 Left view of the external structure of the brake of the present utility model;
[0019] Figure 5 Top view of the external structure of the brake of the present utility model;
[0020] Figure 6 of the present utility model Figure 2 Enlarged view of A in;
[0021] Figure 7 Schematic diagram of the forklift body structure of the present utility model.
[0022] Reference numerals are: 1, main body; 2, left end cover; 3, right end cover; 4, pipeline; 5, oil filling port; 6, channel; 7, drive shaft; 8, reserved port; 9, mounting seat; 10, static friction block; 11, mounting block; 12, guide rod; 13, mounting clip; 14, mounting post; 15, piston plate; 16, moving friction block; 17, blade; 18, filter screen; 20, return spring; 21, forklift body; 22, brake body. Detailed implementation manners
[0023] The following further describes the present utility model with specific embodiments. However, those skilled in the art should understand that the detailed description given here with reference to the drawings is for better explanation. The structure of the present utility model necessarily goes beyond these limited embodiments, and for some equivalent replacement schemes or common means, no detailed description is given herein, but they still fall within the protection scope of this application.
[0024] Figures 1-7 is the best embodiment of the present utility model. The following further describes the present utility model with reference to the attached Figures 1-7 drawings.
[0025] An explosion-proof forklift includes a forklift body 21 and a brake body 22 installed on the forklift body 21. The brake body 22 includes a main body 1 and a filter assembly, a circulation assembly, a braking assembly, and a reset assembly installed inside the main body 1. The filter assembly includes a filter screen 18 and a mounting clip 13 for positioning the filter screen 18. The mounting clip 13 is made of magnet material and is installed on the main body 1. The filter screen 18 is installed on the main body 1 through the mounting clip 13. The filter screen 18 is made of metal material, and the edge of the filter screen 18 is in close contact with the inner surface of the main body 1. The shape of the mounting clip 13 is "L". The circulation assembly includes blades 17, channels 6, and through holes provided on a mounting seat 9. The number of through holes and the number of channels 6 are both multiple. The multiple through holes and the multiple channels 6 are arranged in a circular array centered on the axis of the main body 1. A drive shaft 7 is installed on the left side surface of the mounting seat 9. The drive shaft 7 penetrates through the left end cover 2 and extends to the outside of the main body 1. The blades 17 are installed on the drive shaft 7. The channels 6 are provided on the main body 1. A reserved port 8 is provided on the surface of the drive shaft 7. The reserved port 8 is connected to the internal cavity of the drive shaft 7, and the cavity is connected to the through holes on the mounting seat 9. The left end cover 2 and the right end cover 3 are installed on the main body 1 by bolts. The mounting seat 9 is installed inside the main body 1. The mounting seat 9 is installed inside the main body 1 through bearings.
[0026] The braking assembly includes a static friction block 10 and a dynamic friction block 16. The static friction block 10 is fixedly connected to the right side surface of the mounting seat 9. The dynamic friction block 16 is arranged on the right side of the static friction block 10. An installation column 14 is fixedly connected to the right side surface of the dynamic friction block 16. A piston plate 15 is fixedly connected to the right side surface of the installation column 14 away from the dynamic friction block 16. The piston plate 15 is slidably connected to the inner side surface of the main body 1.
[0027] The reset assembly includes a guide rod 12 and a reset spring 20. The guide rod 12 penetrates through the dynamic friction block 16. The number of guide rods 12 corresponds to the number of reset springs 20. The guide rods 12 and the reset springs 20 are arranged in a circular array centered on the axis of the dynamic friction block 16. The guide rod 12 is installed inside the reset spring 20.
[0028] An installation block 11 is fixedly connected inside the main body 1. The shape of the installation block 11 is circular, and the cross-sectional shape of the installation block 11 is "L". The guide rod 12 is installed on the installation block 11. The reset spring 20 is arranged between the installation block 11 and the dynamic friction block 16. A pipeline 4 is fixedly connected to the right end cover 3. The pipeline 4 is connected to the inside of the main body 1. An oil injection port 5 is provided on the left end cover 2. A seal is provided on the oil injection port 5. The oil injection port 5 is connected to the inside of the main body 1.
[0029] Working principle: During use, by introducing high-pressure gas or hydraulic oil into the pipeline 4, the piston plate 15 is pushed to drive the mounting column 14 and the dynamic friction block 16 to move and contact the static friction block 10, achieving the effect of braking the mounting seat 9 and the drive shaft 7. When the pressure applied to the piston plate 15 is stopped, the dynamic friction block 16 is reset under the action of the return spring 20, causing the dynamic friction block 16 to separate from the static friction block 10. At the same time, during the rotation of the drive shaft 7, the blades 17 are driven to rotate to push the gear oil inside the main body 1 into the channel 6, and then it is transported to the filter screen 18 through the channel 6, and the impurities contained in the gear oil are separated. Then, the separated gear oil enters the blade area through the through hole to complete the cycle.
[0030] The above are only the preferred embodiments of the present invention, and it is not a limitation to the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the technical solution content of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims
1. An explosion-proof forklift, comprising a forklift body (21) and a brake body (22) mounted on the forklift body (21), characterized in that: The brake body (22) comprises a main body (1) and a filter assembly, a circulation assembly, a brake assembly and a reset assembly installed inside the main body (1); a left end cover (2) and a right end cover (3) are installed on the main body (1) by bolts; and a mounting seat (9) is installed inside the main body (1).
2. An explosion-proof forklift according to claim 1, characterized in that: The filter assembly comprises a filter screen (18) and a mounting clamp (13) for positioning the filter screen (18); the mounting clamp (13) is mounted on the main body (1); the filter screen (18) is mounted on the main body (1) via the mounting clamp (13); the edge of the filter screen (18) is in close contact with the inner surface of the main body (1); and the mounting clamp (13) is in an "L" shape.
3. The explosion-proof forklift according to claim 1, characterized in that: The circulation component comprises a blade (17), a channel (6) and a through hole arranged on a mounting seat (9); a drive shaft (7) is mounted on the left surface of the mounting seat (9); the blade (17) is mounted on the drive shaft (7); the channel (6) is arranged on the main body (1); a reserved opening (8) is arranged on the surface of the drive shaft (7); the reserved opening (8) is communicated with an internal cavity of the drive shaft (7), and the cavity is communicated with the through hole on the mounting seat (9).
4. The explosion-proof forklift according to claim 1, characterized in that: The brake assembly comprises a static friction block (10) and a dynamic friction block (16); the static friction block (10) is fixedly connected to the right side surface of the mounting seat (9); and the dynamic friction block (16) is arranged on the right side of the static friction block (10).
5. The explosion-proof forklift according to claim 4, characterized in that: A mounting column (14) is fixedly connected to the right side surface of the dynamic friction block (16), and a piston plate (15) is fixedly connected to the right side surface of the mounting column (14) away from the dynamic friction block (16).
6. The explosion-proof forklift according to claim 5, characterized in that: The reset assembly comprises a guide rod (12) and a reset spring (20), wherein the guide rod (12) passes through the dynamic friction block (16), the number of the guide rods (12) corresponds to the number of the reset springs (20), and the guide rods (12) and the reset springs (20) are distributed in a circular array with the axis of the dynamic friction block (16) as the center.
7. The explosion-proof forklift according to claim 6, characterized in that: A mounting block (11) is fixedly connected inside the main body (1), the guide rod (12) is mounted on the mounting block (11), and the return spring (20) is arranged between the mounting block (11) and the dynamic friction block (16).
8. The explosion-proof forklift according to claim 1, characterized in that: The right end cover (3) is fixedly connected with a pipeline (4), the pipeline (4) being connected to the interior of the main body (1); the left end cover (2) is provided with an oil filling port (5), the oil filling port (5) is provided with a sealing cover, and the oil filling port (5) is connected to the interior of the main body (1).