Quick-change device for power box of mining anti-explosion electric command vehicle

Abstract

The utility model discloses a quick-change device for a power box of a mining anti-explosion electric command vehicle, which comprises a battery box support frame, a battery box fixing base, a quick-change mechanism and a battery box, quick-change mechanisms for clamping and fixing the battery box fixing base are mounted on the two sides of the battery box supporting frame, and a battery box is fixedly mounted on the battery box fixing base; the quick-change mechanism comprises a quick-change mounting frame mounted at the side end of the battery box supporting frame, a hydraulic oil cylinder horizontally mounted on the quick-change mounting frame, and a quick-change shaft which is driven by the hydraulic oil cylinder to move and clamp the battery box fixing base. According to the mode, hydraulic control is adopted, so that quick replacement of the battery box is ensured, the step of manual disassembly operation is omitted, the replacement time is saved, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering vehicles, in particular to a power box quick-change device for a mining explosion-proof electric command vehicle. Background Art

[0002] In the mining explosion-proof trackless rubber-wheeled vehicle industry, with the implementation of the new coal safety standard for lithium-ion batteries for mining, the research and development of explosion-proof electric rubber-wheeled vehicles has entered a stage of rapid development, but the battery life is still a factor restricting the development of electric vehicles. At present, there is no precedent for installing underground charging piles in coal mines, and the use of electric vehicles still follows the "charging above ground and using underground" model. At present, the battery boxes of explosion-proof electric rubber-wheeled vehicles used underground in coal mines are mostly fixed to the body with a mechanical structure. In general, a mounting base for fixing the battery box will be provided. The mounting base is connected and fixed to the frame or body with bolts. When replacing the battery box, special tools are required to remove the connecting bolts and separate the mounting base from the frame, so as to lift the battery box and the mounting base as a whole for replacement.

[0003] The prior art has the following defects: underground electric rubber-wheeled vehicles use a mechanical structure to install a fixed power box. When replacing the battery box, special tools are required to manually remove the connecting bolts. After replacing the new battery box, manual installation is required again. The whole process takes a certain amount of time and the purpose of quickly replacing the power box cannot be achieved. In order to meet the use of electric rubber-wheeled vehicles underground in coal mines, it is necessary to design a battery quick-change device on the vehicle. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a power box quick-change device for a mining explosion-proof electric command vehicle, which uses hydraulic control to ensure fast replacement of the battery box, eliminates the steps of manual disassembly operations, saves replacement time, and improves efficiency.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a quick-change device for the power box of an explosion-proof electric command vehicle for a mine, the quick-change device for the power box of an explosion-proof electric command vehicle for a mine comprising a battery box support frame, a battery box fixed base, a quick-change mechanism and a battery box, a battery box fixed base being placed on the battery box support frame, quick-change mechanisms for clamping and fixing the battery box fixed base being installed on both sides of the battery box support frame, and a battery box being fixedly installed on the battery box fixed base; the quick-change mechanism comprises a quick-change mounting frame installed on the side end of the battery box support frame, a hydraulic cylinder horizontally installed on the quick-change mounting frame, and a quick-change shaft driven by the hydraulic cylinder to move and clamp the battery box fixed base.

[0006] Preferably, the quick-change mounting frame is provided with a slot for accommodating a fixing ear of the battery box fixing base, the slot is provided with a mounting hole opposite to the fixing hole on the fixing ear in a horizontal direction, and the quick-change shaft is opposite to the mounting hole.

[0007] Preferably, the hydraulic cylinder has two oil ports, namely, a rod chamber end oil port and a rodless chamber end oil port, and pressure oil is provided by a gear pump on the vehicle.

[0008] Preferably, the quick-change mechanism further comprises a limit pin, and two limit pins are respectively mounted on the quick-change shaft to ensure balanced displacement of the quick-change shafts on both sides during contraction and extension.

[0009] Preferably, a mounting hole for fixing the battery box is provided on the top of the battery box fixing base, at least three positioning pins are installed on the lower part of the battery box fixing base, and positioning holes opposite to the positioning pins are provided on the battery box support frame. Fixing ears for use with a quick-change mechanism are extended downwardly around the battery box fixing base, and fixing holes are provided on the fixing ears.

[0010] Preferably, mounting seats are provided around the bottom of the battery box, the mounting seats are opposite to the mounting holes on the top of the battery box fixed base, and the mounting seats are fixedly connected to the battery box fixed base by bolts.

[0011] Preferably, the four legs of the battery box support frame are seated on the frame and fixed to the frame of the entire vehicle by welding.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The quick-change device for the power box of the mining explosion-proof electric command vehicle can quickly replace the battery box through hydraulic control. The driver only needs to operate the hydraulic handle to start the battery replacement work through hydraulic control, which saves the working time of manual disassembly and installation and improves the efficiency of battery replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The schematic diagram is a structural diagram of a power box quick-change device for a mining explosion-proof electric command vehicle.

[0015] Figure 2 The present invention is a cross-sectional view of a quick-change device for a power box of an explosion-proof electric command vehicle for use in a mine.

[0016] Figure 3 The diagram is a schematic diagram of the expanded structure of a power box quick-change device for a mining explosion-proof electric command vehicle.

[0017] Among them, 1. battery box support frame, 10. positioning hole, 2. battery box fixed base, 20. mounting hole, 21. positioning pin, 22. fixing ear, 23. fixing hole, 3. quick change mechanism, 31. quick change mounting frame, 310. card slot, 311. card hole, 32. hydraulic cylinder, 321. rod cavity end oil port, 322. rodless cavity end oil port, 33. quick change shaft, 34. limit pin shaft, 4. battery box, 41. mounting seat. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0019] See also Figures 1 to 3 , the utility model embodiment includes:

[0020] A quick-change device for a power box of an explosion-proof electric command vehicle for a mine, comprising a battery box support frame 1, a battery box fixing base 2, a quick-change mechanism 3 and a battery box 4. The battery box support frame 1 is fixed on the frame of the explosion-proof electric command vehicle for a mine, the battery box fixing base 2 is placed on the battery box support frame 1, quick-change mechanisms 3 for clamping and fixing the battery box fixing base 2 are installed on both sides of the battery box support frame 1, and the battery box 4 is fixedly installed on the battery box fixing base 2.

[0021] The four legs of the battery box support frame 1 are seated on the vehicle frame and fixed to the vehicle frame by welding.

[0022] The top of the battery box fixing base 2 is provided with a mounting hole 20 for fixing the battery box 4, the lower part of the battery box fixing base 2 is provided with at least three positioning pins 21, the battery box support frame 1 is provided with a positioning hole 10 opposite to the positioning pin 21, which is used to quickly position the battery box fixing base 2, and the battery box fixing base 2 is provided with fixing ears 22 extending downward from all sides for use with the quick change mechanism 3, and the fixing ears 22 are provided with fixing holes 23.

[0023] The quick-change mechanism 3 includes a quick-change mounting frame 31 installed on the side end of the battery box support frame 1, a hydraulic cylinder 32 horizontally installed on the quick-change mounting frame 31, and a quick-change shaft 33 driven by the hydraulic cylinder 32 to move and clamp the battery box fixed base 2. The quick-change mounting frame 31 is provided with a slot 310 for placing the fixed ear 22 of the battery box fixed base 2. The slot 310 is horizontally provided with a clamping hole 311 opposite to the fixing hole 23 on the fixed ear 22. Both ends of the hydraulic cylinder 32 are fixedly connected to the two quick-change shafts 33 by bolts, and the quick-change shaft 33 is opposite to the clamping hole 311. There are two oil ports on the hydraulic cylinder 32, namely the rod cavity end oil port 321 and the rodless cavity end oil port 322, and pressure oil is provided by a gear pump on the vehicle.

[0024] The quick-change mechanism 3 also includes a limit pin 34. In order to ensure that the quick-change shafts 33 at both ends of the hydraulic cylinder 32 have balanced displacements on both sides during contraction and extension, and to prevent the problem that one end of the quick-change shaft 33 moves more than the other end, two limit pins 34 are respectively installed on the quick-change shaft 33 to ensure that during the quick change of the battery box, the fixing ears of the battery box fixing base on both sides are separated from the quick-change mechanism 3 at the same time.

[0025] The bottom of the battery box 4 is provided with a mounting seat 41 around it. The mounting seat 41 is opposite to the mounting hole 20 on the top of the battery box fixing base 2. The mounting seat 41 is fixedly connected to the battery box fixing base 2 by bolts.

[0026] When the utility model is a power box quick-change device for an explosion-proof electric command vehicle for mining, when the battery box fixed base 2 is placed on the battery box support frame 1, the locating pin 21 is inserted into the locating pin 21, and the fixing ears 22 around the battery box fixed base 2 just extend into the card slot 310 of the quick-change mounting frame 31, and the quick-change shaft 33 is penetrated into the fixing hole 23 on the fixing ear 22, so that the battery box fixed base 2 and the quick-change mechanism 3 are connected together. When the battery box 4 needs to be replaced, the oil port 321 at the rod cavity end of the hydraulic cylinder 32 enters oil, and the oil port 322 at the rodless cavity end discharges oil, the hydraulic cylinder 32 contracts, and the hydraulic cylinder 32 drives the quick-change shaft 33 to contract toward the middle, the battery box fixed base 2 is removed, and the fixing ears 22 are separated from the quick-change mechanism 3. At this time, the battery box 4 together with the battery box fixed base 2 can be lifted as a whole and separated from the vehicle for replacement.

[0027] Similarly, after the replaced battery box 4 is hoisted into place together with the battery box fixed base 2, oil enters the rodless cavity end oil port 322 of the hydraulic cylinder 32, and oil exits the rod cavity end oil port 321, the rod of the hydraulic cylinder 32 extends to push the quick-change shaft 33 to extend to both ends, the quick-change shaft 33 passes through the fixed ear hole of the battery box fixed base 2, and the battery box 4 is fixed on the vehicle.

[0028] The utility model discloses a quick-change device for a power box of an explosion-proof electric command vehicle for a mine, which uses hydraulic control to ensure quick replacement of the battery box, eliminates the steps of manual disassembly operation, saves replacement time and improves efficiency.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A quick-change device for a power box of an explosion-proof electric command vehicle for mining, characterized in that: It includes a battery box support frame, a battery box fixed base, a quick-change mechanism and a battery box, wherein the battery box fixed base is placed on the battery box support frame, quick-change mechanisms for clamping and fixing the battery box fixed base are installed on both sides of the battery box support frame, and a battery box is fixedly installed on the battery box fixed base; the quick-change mechanism includes a quick-change mounting frame installed on the side end of the battery box support frame, a hydraulic cylinder horizontally installed on the quick-change mounting frame, and a quick-change shaft driven by the hydraulic cylinder to move and clamp the battery box fixed base.

2. According to claim 1, a quick-change device for a power box of a mining explosion-proof electric command vehicle is characterized in that: The quick-change mounting frame is provided with a slot for placing a fixing ear of a battery box fixing base, the slot is horizontally provided with a mounting hole opposite to the fixing hole on the fixing ear, and the quick-change shaft is opposite to the mounting hole.

3. According to claim 1, a quick-change device for a power box of a mining explosion-proof electric command vehicle is characterized in that: The hydraulic oil cylinder has two oil ports, namely, a rod chamber end oil port and a rodless chamber end oil port, and pressure oil is provided by a gear pump on the vehicle.

4. The quick-change device for power supply box of a mining explosion-proof electric command vehicle according to claim 1 is characterized in that: The quick-change mechanism also includes a limit pin shaft, and two limit pin shafts are respectively installed on the quick-change shaft to ensure that the displacement of the quick-change shafts on both sides is balanced during the contraction and extension process.

5. The quick-change device for power supply box of a mining explosion-proof electric command vehicle according to claim 1 is characterized in that: The top of the battery box fixing base is provided with a mounting hole for fixing the battery box, the lower part of the battery box fixing base is installed with at least three positioning pins, the battery box support frame is provided with positioning holes opposite to the positioning pins, and the battery box fixing base is provided with fixing ears extending downward around the four sides for use with the quick change mechanism, and the fixing ears are provided with fixing holes.

6. The quick-change device for power supply box of a mining explosion-proof electric command vehicle according to claim 1 is characterized in that: The bottom of the battery box is surrounded by mounting seats, which are opposite to the mounting holes on the top of the battery box fixing base, and are fixedly connected to the battery box fixing base by bolts.

7. The quick-change device for power supply box of a mining explosion-proof electric command vehicle according to claim 1 is characterized in that: The four legs of the battery box support frame are seated on the vehicle frame and fixed to the vehicle frame by welding.

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