Safety pin structure for mining dump truck carriage
The safety pin structure, which combines an electric telescopic rod and a trigger switch, automatically engages the pin to secure the truck bed, thus solving the safety hazards caused by hydraulic system failure and improving the operational safety and stability of the mining dump truck bed.
Patent Information
- Application Number
- CN202520667550.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-10
AI Technical Summary
During maintenance and unloading, the hydraulic system of existing mining dump trucks may fail during the insertion of safety pins, causing the truck body to fall, posing a safety hazard and making operation inconvenient.
A safety pin structure for the cargo box of a mining dump truck was designed. It uses an electric telescopic rod and a trigger switch to automatically insert the pin to fix the cargo box. Combined with a manual insertion pin, it further limits the movement and ensures the stability of the cargo box.
It achieves automated fixing and manual limiting of the carriage, improves operational safety and stability, avoids safety hazards caused by hydraulic system failure, and enhances operational safety and convenience.
Smart Images
Figure CN223850496U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of safety pin, specifically is a safety pin structure for mine dump truck carriage. BACKGROUND
[0002] The carriage of mine dump truck and the frame of mine dump truck are connected through the tipping pin shaft, when the lifting cylinder acts, the carriage tilts backward around the axis of the tipping pin shaft until the highest position, many components that need to be maintained frequently are installed below the carriage of mine dump truck, when these components are maintained, the carriage needs to be lifted and kept in the highest position, in order to ensure safety, the safety pin is used to fix the carriage and the frame of mine dump truck, so that the carriage is kept in the highest position, during the unloading process, if part of the mine material does not slide, manual cleaning is needed, at this time, in order to ensure safety, the safety pin is also used to fix the carriage and the frame of mine dump truck, the prior art is that the safety pin assembly is manually inserted into the pin hole for fixation, but during the operation, if the safety pin is inserted and the hydraulic system fails, the carriage falls, which is very dangerous, therefore, the safety pin structure for mine dump truck carriage is provided. SUMMARY
[0003] In view of the defects of the prior art, the safety pin structure for mine dump truck carriage is provided to solve the problems in the background.
[0004] To achieve the above purpose, the utility model discloses the following technical scheme: a safety pin structure for mine dump truck carriage, including the frame of mine dump truck, the inside of the frame of mine dump truck is provided with the second storage groove, the inside of the frame of mine dump truck and the one side of the second storage groove are provided with the first sliding slot, the inside of the first sliding slot is slidably connected with the first sliding block, the inside of the first sliding block is rotatably connected with the first rotating shaft, the outside of the first rotating shaft is fixedly connected with the support frame, the inside of the frame of mine dump truck and the one side of the first sliding slot are provided with the second installation groove, the inside of the second installation groove is fixedly installed with the electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with the first plug-in pin, the inside of the first sliding block is provided with the first plug-in slot, one end of the first plug-in pin is inserted into the inside of the first plug-in slot, the inside of the frame of mine dump truck and the one side of the first sliding slot are provided with the first installation groove, the inside of the first installation groove is provided with the trigger switch, one end of the first sliding block is fixedly connected with the lug.
[0005] Preferably, the top of the mine dump truck frame is fixedly provided with a plurality of rotating frames, two rotating frames are rotatably connected with rotating columns at the inside, the top of the two rotating columns is fixedly connected with a carriage body, the inside of the carriage body is provided with a first receiving groove, the inside of the first receiving groove is rotatably connected with a second rotating shaft, the other end of the supporting frame is fixedly connected to the outside of the second rotating shaft, and the first sliding block, the first rotating shaft, the supporting frame and the second rotating shaft are matched with each other to support the carriage body.
[0006] Preferably, the inside of the mine dump truck frame is provided with two corresponding limiting grooves at the outside of the first sliding groove, the outside of the first sliding block is fixedly connected with two corresponding limiting blocks, and the limiting blocks are slidably connected to the inside of the limiting grooves; the limiting grooves and the limiting blocks are matched with each other to limit the first sliding block.
[0007] Preferably, the inside of the mine dump truck frame, the first sliding groove and the two limiting blocks are all provided with second plug-in grooves, and the second plug-in grooves are plugged with second plug-in pins; the second plug-in grooves and the second plug-in pins are matched with each other to further limit the first sliding block and the supporting frame.
[0008] Preferably, the top of the mine dump truck frame is fixedly connected with a plurality of cushion frames, the bottom of the carriage body is fixedly connected with a plurality of cushion blocks, the cushion blocks and the cushion frames are matched with each other,
[0009] Preferably, the inside of the mine dump truck frame is fixedly provided with a plurality of three-section hydraulic telescopic rods, the inside of the carriage body is provided with a plurality of rotating grooves, and the output end of the three-section hydraulic telescopic rod is fixedly connected with a connecting frame rotatably connected to the inside of the rotating groove.
[0010] Preferably, the trigger switch is electrically connected with the electric telescopic rod, and the protruding block is matched with the trigger switch.
[0011] The mine dump truck carriage safety pin structure has the following beneficial effects:
[0012] 1. When the three-section hydraulic telescopic rod supports the carriage body, the second rotating shaft and the supporting frame are driven to rotate, the first sliding block is driven to slide in the first sliding groove through the rotation limiting, the protruding block is inserted into the first mounting groove to touch the trigger switch when the first sliding block slides to the limiting position, the electric telescopic rod is started to extend to make the first plug-in pin inserted into the inside of the first plug-in groove, thereby limiting the first sliding block, and the supporting frame supports the carriage body, manual plug-in is not needed, safety is improved, and the practicality of the mine dump truck carriage safety pin structure is improved.
[0013] 2. The safety pin structure for the mine dump truck carriage, through the cooperation of the plurality of second insertion grooves and the second insertion pins, after limiting the first sliding block, the second insertion pins can be manually penetrated through the plurality of second insertion grooves, thereby further manually limiting the first sliding block, improving the stability of the safety pin structure for the mine dump truck carriage, and during the manual operation process, since the carriage body is preliminarily limited, it is safer. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a structural schematic diagram of the utility model;
[0015] Fig. 2 It is a structural schematic diagram of the support mechanism of the utility model;
[0016] Fig. 3 It is a structural schematic diagram of the first sliding block inside the utility model.
[0017] In the figure: 1, mine dump truck frame; 2, rotating frame; 3, rotating column; 4, carriage body; 5, cushion block; 6, cushion frame; 7, three-section hydraulic telescopic rod; 8, rotating groove; 9, first sliding groove; 10, first sliding block; 11, limiting groove; 12, limiting block; 13, first rotating shaft; 14, support frame; 15, first storage groove; 16, second rotating shaft; 17, protruding block; 18, first installation groove; 19, trigger switch; 20, second installation groove; 21, electric telescopic rod; 22, first insertion pin; 23, first insertion groove; 24, second storage groove; 25, second insertion groove; 26, second insertion pin. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0019] Please refer to Figs. 1 to 3The utility model provides a technical scheme: a safety pin structure for mine dump truck carriage, including mine dump truck frame 1, the inside of mine dump truck frame 1 is seted up with second storage groove 24, the inside of mine dump truck frame 1 and located one side of second storage groove 24 is seted up with first sliding slot 9, the inside sliding connection of first sliding slot 9 has first sliding block 10, the inside rotation connection of first sliding block 10 has first rotation axis 13, the outside fixed connection of first rotation axis 13 has support frame 14, the inside of mine dump truck frame 1 and located one side of first sliding slot 9 is seted up with second installation slot 20, the inside fixed mounting of second installation slot 20 has electric telescopic handle 21, the output fixed connection of electric telescopic handle 21 has first plug-in pin 22, the inside of first sliding block 10 is seted up with first plug-in slot 23, and one end of first plug-in pin 22 is inserted in the inside of first plug-in slot 23, the inside of mine dump truck frame 1 and located one side of first sliding slot 9 is seted up with first installation slot 18, and the inside of first installation slot 18 is provided with trigger switch 19, and one end of first sliding block 10 is fixedly connected with lug 17;
[0020] The top of mine dump truck frame 1 is fixedly connected with a plurality of rotating frames 2, the inside of two rotating frames 2 is rotatably connected with rotating columns 3, the top of two rotating columns 3 is fixedly connected with a carriage body 4, the inside of the carriage body 4 is seted up with a first storage groove 15, the inside of the first storage groove 15 is rotatably connected with a second rotation axis 16, the other end of the support frame 14 is fixedly connected to the outside of the second rotation axis 16, and the first sliding block 10, the first rotation axis 13, the support frame 14 and the second rotation axis 16 are matched with each other, so that the carriage body 4 can be supported;
[0021] The inside of mine dump truck frame 1 and located the outside of first sliding slot 9 is seted up with two corresponding limit grooves 11, the outside of first sliding block 10 is fixedly connected with two corresponding limit blocks 12, the limit block 12 is slidably connected in the inside of limit groove 11, and the limit groove 11 and the limit block 12 are matched with each other, so that the first sliding block 10 can be limited.
[0022] The inside of mine dump truck frame 1, first sliding slot 9 and two limit blocks 12 are all seted up with second plug-in slot 25, the inside of second plug-in slot 25 is inserted with second plug-in pin 26, and the second plug-in slot 25 and the second plug-in pin 26 are matched with each other, so that the first sliding block 10 and the support frame 14 can be further limited.
[0023] The top of mine dump truck frame 1 is fixedly connected with a plurality of pad frames 6, the bottom of the carriage body 4 is fixedly connected with a plurality of pad blocks 5, and the pad block 5 and the pad frame 6 are matched with each other.
[0024] A plurality of three-section hydraulic telescopic rods 7 are fixedly installed inside the frame 1 of the mine dump truck, a plurality of rotating grooves 8 are formed in the interior of the carriage body 4, the output end of the three-section hydraulic telescopic rod 7 is fixedly connected with a connecting frame, and the connecting frame is rotatably connected to the interior of the rotating groove 8.
[0025] The trigger switch 19 is electrically connected with the electric telescopic rod 21, and the protrusion 17 cooperates with the trigger switch 19.
[0026] In summary, when the three-section hydraulic telescopic rod 7 is started by the control device to lift up the carriage body 4, the carriage body 4 rotates around the rotating frame 2 and the rotating column 3 as the axis point, which drives the second rotating shaft 16 and the supporting frame 14 to rotate, and the first sliding block 10 slides in the first sliding groove 9 through the rotation limiting, when the first sliding block 10 slides to the limited position, the protrusion 17 is inserted into the first installation groove 18 to touch the trigger switch 19, and then the electric telescopic rod 21 is extended to make the first plug-in pin 22 inserted into the first plug-in slot 23, so as to limit the first sliding block 10, and then the supporting frame 14 supports the carriage body 4, the electric telescopic rod 21 can be manually closed when it is closed, the power supply of the electric telescopic rod 21 is connected with the storage battery of the mine dump truck, and the control switch is arranged in the cab,
[0027] After the first sliding block 10 is preliminarily limited, when it is necessary to limit for a long time or to perform maintenance and the like, the second plug-in pin 26 can be manually inserted into a plurality of second plug-in slots 25 for further limitation, so as to improve the safety during the unloading process of the dump truck.
[0028] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A safety pin structure for a mine dump truck bed comprising a mine dump truck frame (1), characterized in that: The inside of the mining dump truck frame (1) is provided with a second receiving groove (24), and the inside of the mining dump truck frame (1) and one side of the second receiving groove (24) are provided with a first sliding groove (9).
2. A safety pin structure for a mine dump truck body according to claim 1, characterized in that: The top of the mining dump truck frame (1) is fixedly connected with a plurality of rotating frames (2), and the interiors of two rotating frames (2) are rotatably connected with rotating columns (3).
3. A safety pin structure for a mine dump truck body according to claim 1, characterized in that: The inside of the mining dump truck frame (1) and the outside of the first sliding groove (9) are provided with two corresponding limiting grooves (11), and the outside of the first sliding block (10) is fixedly connected with two corresponding limiting blocks (12).
4. A safety pin structure for a mine dump truck body according to claim 3, characterized in that: The inside of the mining dump truck frame (1), the first sliding groove (9) and the two limiting blocks (12) are all provided with a second plug-in groove (25), and the inside of the second plug-in groove (25) is plugged with a second plug-in pin (26).
5. A safety pin structure for a mine dump truck body according to claim 2, characterized in that: The top of the mining dump truck frame (1) is fixedly connected with a plurality of cushion frames (6), and the bottom of the carriage body (4) is fixedly connected with a plurality of cushion blocks (5).
6. A safety pin structure for a mine dump truck body according to claim 2, characterized in that: The inside of the mining dump truck frame (1) is fixedly connected with a plurality of three-section hydraulic telescopic rods (7), and the inside of the carriage body (4) is provided with a plurality of rotating grooves (8).
7. A safety pin structure for a mine dump truck bed as defined in claim 1, characterized by: The trigger switch (19) and the electric telescopic rod (21) are electrically connected, and the protruding block (17) and the trigger switch (19) are matched with each other.