Waterproof and dustproof underground dumper wet brake

Abstract

The utility model relates to the technical field of wet brakes, and discloses a waterproof and dustproof underground dumper wet brake which comprises a brake body, an oil port platform is arranged on the upper surface of the brake body, an oil filling and discharging port is formed in the bottom face of the oil port platform, and a sealing bolt is in threaded connection with the interior of the oil filling and discharging port. A limiting plate is fixedly connected to the outer side of the sealing bolt, a fixing plate is fixedly connected to the rear side of the bottom face of the oil port platform, an elastic piece is fixedly connected to the surface of the front side of the fixing plate, a connecting plate is fixedly connected to the front end of the elastic piece, and a limiting clamping piece is fixedly connected to the front face of the connecting plate. According to the utility model, through the cooperation of the limiting plate, the fixing plate, the elastic piece, the connecting plate, the limiting clamping piece and the limiting unit, the sealing bolt screwed into the oil filling and discharging opening can be quickly limited, and the sealing bolt is prevented from being loosened after rotating and upward moving due to shaking of a vehicle.

Description

Technical Field

[0001] The utility model relates to the technical field of wet brakes, in particular to a waterproof and dustproof wet brake for an underground dump truck. Background Art

[0002] When underground dump trucks operate in harsh underground working environments, high heat is often generated. In order to ensure safety, stability and durability during braking, wet brakes are used. Wet brakes use liquid media to enhance the braking effect. The presence of liquid can effectively reduce the heat generated by friction, improve braking stability and reliability, and reduce maintenance costs.

[0003] After searching, Chinese patent announcement number: CN221097273U discloses a normally closed wet brake for underground dump trucks, which includes a connecting pipe and a first matching pipe that can be connected to the oil. The oil is transmitted to the separating connecting ring seat through the connecting pipe and the first matching pipe. At this time, the first control pump works to pressurize the oil and transmit it to the first connecting matching pipe. The first connecting matching pipe is connected to the oil inlet pipe, so that the oil reaches the inside of the brake through the oil inlet pipe, thereby achieving the purpose of internal oil supply control and helping to perform braking work.

[0004] However, in actual use of the above-mentioned wet brake of the underground dump truck, the plastic plug used to seal the oil filling port is mostly threaded. When the vehicle is driving in the complex and harsh environment underground, there will be a lot of violent shaking, which makes the plastic plug at risk of loosening. Although the plastic plug will not completely detach immediately, dust or water vapor will enter the gap between the plastic plug and the brake housing, causing dust or water to enter the wet brake when the oil filling port is opened to replace the brake fluid next time, affecting the service life of the wet brake. Therefore, a waterproof and dustproof wet brake for underground dump trucks is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a waterproof and dustproof wet brake for underground dump trucks, aiming to improve the problem in the prior art that the plastic plug on the outside of the wet brake has the risk of loosening during vehicle driving.

[0006] In order to achieve the above-mentioned objectives, the present invention adopts the following technical solutions: a waterproof and dustproof underground dump truck wet brake, comprising a brake body, a movable shaft is provided on the front side of the brake body, an oil port platform is provided on the upper surface of the brake body, an oil filling and discharge port is provided on the bottom surface of the oil port platform, the internal thread of the oil filling and discharge port is connected with a sealing bolt, the outer side of the sealing bolt is fixedly connected to a limiting plate, the rear side of the bottom surface of the oil port platform is fixedly connected with a fixing plate, the front side surface of the fixing plate is fixedly connected with an elastic member, the front end of the elastic member is fixedly connected with a connecting plate, the front side of the connecting plate is fixedly connected with a limiting card, the limiting card is used to enter the gap between the limiting plate and the nut of the sealing bolt, a limiting unit is provided on the back side of the connecting plate, and the limiting unit acts on the quick limiting of the connecting plate after it moves to the rear side.

[0007] As a further description of the above technical solution:

[0008] A sealing rubber ring is fixedly connected to the bottom surface of the limiting plate.

[0009] As a further description of the above technical solution:

[0010] A sliding block is fixedly connected to the bottom surface of the connecting plate, and a sliding groove matched with the sliding block is provided on the oil port platform.

[0011] As a further description of the above technical solution:

[0012] The limit unit includes a limit box, which is fixedly connected to the back of the connecting plate. A limit rod is arranged inside the limit box. The upper and lower ends of the limit rod pass through the limit box. The outer side of the limit rod is fixedly connected to the limit block. The bottom surface of the oil port platform is provided with a limit hole that cooperates with the limit rod.

[0013] As a further description of the above technical solution:

[0014] The upper end of the limiting rod is fixedly connected with a pull ring.

[0015] As a further description of the above technical solution:

[0016] A U-shaped groove is provided on the front surface of the limit card.

[0017] The utility model has the following beneficial effects:

[0018] 1. In the present invention, the cooperation of the limit plate, the fixing plate, the elastic member, the connecting plate, the limit card and the limit unit can quickly limit the sealing bolt screwed into the oil filling and discharge port, thereby preventing the sealing bolt from loosening after rotating upward due to vehicle vibration, improving the waterproof and dustproof effect of the oil filling and discharge port, and preventing dust or moisture from entering the wet brake when the oil filling port is opened to replace the brake fluid next time.

[0019] 2. In the present invention, the sealing effect of the oil filling and discharge port can be further improved by providing a sealing rubber ring. At the same time, the movement of the connecting plate can be guided and limited by the cooperation of the provided slider and the slide groove, thereby avoiding connection between the connecting plate and the limit card during movement, which makes it impossible to limit the sealing bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a waterproof and dustproof wet brake for underground dump trucks proposed by the present invention;

[0021] Figure 2 This is a schematic diagram of a brake body of a waterproof and dustproof underground dump truck wet brake proposed by the present invention;

[0022] Figure 3 This utility model proposes a waterproof and dustproof underground dump truck wet brake Figure 2 Schematic diagram at part A;

[0023] Figure 4 This is a schematic diagram of the disassembled fixing plate, elastic member, connecting plate, limit card and sealing bolt of a waterproof and dustproof underground dump truck wet brake proposed by the utility model;

[0024] Figure 5 The utility model is a schematic diagram of a cross-sectional view of the left side of the inner part of a limit box of a waterproof and dustproof underground dump truck wet brake.

[0025] Legend:

[0026] 1. Brake body; 2. Movable shaft; 3. Oil port platform; 4. Oil filling and discharge port; 5. Sealing bolt; 6. Limit plate; 7. Fixed plate; 8. Elastic part; 9. Connecting plate; 10. Limit card; 111. Limit box; 112. Limit rod; 113. Limit block; 114. Pull ring; 115. Limit hole; 12. Sealing rubber ring; 13. Slider; 14. Slide groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Reference Figure 1-Figure 3 The utility model provides an embodiment: a waterproof and dustproof underground dump truck wet brake, including a brake body 1, a movable shaft 2 is provided on the front side of the brake body 1, the movable shaft 2 will transfer the kinetic energy of the vehicle to the braking system, so that the brake can play a role, slow down or stop the rotation of the wheel, the movable shaft 2 is connected to the brake assembly inside the brake body 1, the upper surface of the brake body 1 is provided with an oil port platform 3, the bottom surface of the oil port platform 3 is provided with an oil filling and drain port 4, the internal thread of the oil filling and drain port 4 is connected with a sealing bolt 5, the sealing bolt 5 can seal the inside of the oil filling and drain port 4, and the brake fluid can be replaced or added to the inside of the brake body 1 through the oil filling and drain port 4.

[0029] Reference Figure 1 、 Figure 4 and Figure 5 When the oil filling and discharging port 4 is sealed, the limit plate 6 will first fit with the oil port platform 3, and the rear side of the bottom surface of the oil port platform 3 is fixedly connected with the fixing plate 7. The front surface of the fixing plate 7 is fixedly connected with an elastic member 8. The front end of the elastic member 8 is fixedly connected with a connecting plate 9. When the connecting plate 9 moves backward, the elastic member 8 is squeezed, so that the elastic member 8 is compressed to generate elastic potential energy. The front side of the connecting plate 9 is fixedly connected with a limiting card 10. When the connecting plate 9 moves, the limiting card 10 is driven to move synchronously. The front surface of the limiting card 10 is provided with a U-shaped groove, and the limiting card 10 is inserted into the gap between the limiting plate 6 and the screw head of the sealing bolt 5.

[0030] After the sealing bolt 5 seals the oil filling and discharge port 4, the limit card 10 can be moved forward and inserted into the gap between the limit plate 6 and the sealing bolt 5. At this time, the bottom surface of the limit card 10 and the upper surface of the limit plate 6 fit together, which will limit the whole formed by the sealing bolt 5 and the limit plate 6, so that the sealing bolt 5 cannot move linearly in the up and down directions, thereby preventing the sealing bolt 5 from loosening due to vehicle shaking, and further preventing dust or water vapor from entering the gap between the plastic plug and the brake housing. When it is necessary to unscrew the sealing bolt 5 and add brake fluid to the inside of the brake body 1 through the oil filling and discharge port 4, the connecting plate 9 can be pulled to drive the limit card 10 to move backward, leaving the limit plate 6, and releasing the limit on the sealing bolt 5, so that the sealing bolt 5 can be quickly twisted open.

[0031] A limiting unit is provided on the back of the connecting plate 9. The limiting unit includes a limiting box 111. The limiting box 111 is fixedly connected to the back of the connecting plate 9. When the connecting plate 9 moves, the limiting box 111 can be driven to move synchronously. A limiting rod 112 is provided inside the limiting box 111. The upper and lower ends of the limiting rod 112 are both passed through the limiting box 111. The upper end of the limiting rod 112 is fixedly connected to a pull ring 114. The outer side of the limiting rod 112 is fixedly connected to the limiting block 11 3. When the limit rod 112 moves, it can drive the limit block 113 to move synchronously. The limit block 113 is plugged into the inner part of the limit box 111. The limit box 111 will guide and limit the movement of the limit block 113, so that the limit block 113 can only move linearly in the up and down directions, thereby limiting the movement of the limit rod 112. A limit hole 115 is provided on the bottom surface of the oil port platform 3, and the size of the limit hole 115 is adapted to the size of the limit rod 112.

[0032] At this time, the connecting plate 9 will drive the limit card 10 to move forward quickly under the elastic potential energy of the elastic part 8, and insert it into the gap between the limit plate 6 and the screw head of the sealing bolt 5, limiting the sealing bolt 5 and preventing the sealing bolt 5 from loosening.

[0033] Reference Figure 3-Figure 4The bottom surface of the limit plate 6 is fixedly connected with a sealing rubber ring 12, and the sealing rubber ring 12 is sleeved on the outside of the sealing bolt 5. When the sealing bolt 5 is screwed down to seal the oil filling and discharge port 4, the sealing rubber ring 12 will be sealed through the limit plate 6, so that the sealing rubber ring 12 will produce elastic deformation, further improving the sealing effect of the oil filling and discharge port 4. When the limit card 10 is installed and produced, the deformation of the sealing rubber ring 12 will be taken into account to ensure that the limit card 10 can limit the limit plate 6 and make the sealing rubber ring 1 2 can perform deformation sealing. The bottom surface of the connecting plate 9 is fixedly connected with a slider 13. The bottom surface of the oil port platform 3 is provided with a slide groove 14. The slider 13 is slidably connected to the inside of the slide groove 14. When the connecting plate 9 moves, the slider 13 can be driven to move synchronously. The slide groove 14 can guide and limit the movement of the slider 13, so that the connecting plate 9 can only perform linear movement in the front and rear directions, avoiding the deviation of the connecting plate 9 during the movement, resulting in the limit card 10 being unable to fit and limit with the limit plate 6, thereby improving the stability of the device when in use.

[0034] Working principle: After adding brake fluid into the brake body 1 through the oil filling and discharge port 4, tighten the sealing bolt 5 to seal the oil filling and discharge port 4. When the sealing bolt 5 rotates and moves downward, it will drive the limit plate 6 to move synchronously and squeeze the sealing rubber ring 12, causing the sealing rubber ring 12 to deform and improve the sealing effect of the oil filling and discharge port 4. Then, the pull ring 114 can be pulled upward to drive the limit rod 112 to move upward, releasing the limit on the connecting plate 9, so that the connecting plate 9 drives the limit card 10 to automatically move forward and reset under the elastic potential energy of the elastic member 8, and plug into the gap between the limit plate 6 and the sealing bolt 5 to seal. The bolt 5 is limited to prevent the sealing bolt 5 from loosening due to vehicle shaking, thereby improving the waterproof and dustproof effect of the oil filling and discharge port 4. When the oil filling and discharge port 4 needs to be opened, the connecting plate 9 can be pulled backward to drive the limiting card 10 to move backward, thereby releasing the limit on the sealing bolt 5 and moving the limiting rod 112 to the top of the limiting hole 115. At this time, the limiting rod 112 will move downward under the action of gravity into the inside of the limiting hole 115, limiting the limiting box 111 and the connecting plate 9, and avoiding affecting the staff's opening of the sealing bolt 5. At this time, the staff can quickly unscrew the sealing bolt 5 to open the oil filling and discharge port 4, which is easy and quick to operate.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A waterproof and dustproof wet brake for an underground dump truck, comprising a brake body (1), characterized in that: A movable shaft (2) is provided on the front side of the brake body (1), an oil port platform (3) is provided on the upper surface of the brake body (1), an oil filling and discharge port (4) is provided on the bottom surface of the oil port platform (3), a sealing bolt (5) is connected to the internal thread of the oil filling and discharge port (4), the outer side of the sealing bolt (5) is fixedly connected to a limiting plate (6), the rear side of the bottom surface of the oil port platform (3) is fixedly connected to a fixing plate (7), the front side surface of the fixing plate (7) is fixedly connected to an elastic member (8), the front end of the elastic member (8) is fixedly connected to a connecting plate (9), the front side of the connecting plate (9) is fixedly connected to a limiting card (10), the limiting card (10) is used to enter the gap between the limiting plate (6) and the nut of the sealing bolt (5), and a limiting unit is provided on the back side of the connecting plate (9), the limiting unit acts on the rapid limiting of the connecting plate (9) after it moves to the rear side.

2. The waterproof and dustproof underground dump truck wet brake according to claim 1, characterized in that: A sealing rubber ring (12) is fixedly connected to the bottom surface of the limiting plate (6).

3. The waterproof and dustproof underground dump truck wet brake according to claim 1, characterized in that: A slider (13) is fixedly connected to the bottom surface of the connecting plate (9), and a sliding groove (14) matching with the slider (13) is provided on the oil port platform (3).

4. The waterproof and dustproof underground dump truck wet brake according to claim 1, characterized in that: The limiting unit comprises a limiting box (111), the limiting box (111) is fixedly connected to the back of the connecting plate (9), a limiting rod (112) is arranged inside the limiting box (111), the upper and lower ends of the limiting rod (112) both pass through the limiting box (111), the outer side of the limiting rod (112) is fixedly connected to the limiting block (113), and the bottom surface of the oil port platform (3) is provided with a limiting hole (115) that matches the limiting rod (112).

5. The waterproof and dustproof underground dump truck wet brake according to claim 4, characterized in that: The upper end of the limiting rod (112) is fixedly connected with a pull ring (114).

6. The waterproof and dustproof underground dump truck wet brake according to claim 1, characterized in that: A U-shaped groove is provided on the front surface of the limit card (10).

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