Mine card automatic charging device

Abstract

The utility model provides a mine card automatic charging device which comprises an automatic charger which is installed on a rack and comprises an electric appliance control cabinet and a telescopic arm, the output end of the electric appliance control cabinet is provided with a charging cable, one end of the charging cable is connected with a charging connector, and the charging cable is arranged along the outer wall of the telescopic arm in the length direction; and the vehicle-end power receiving cabinet is arranged at one end of the mine card, a charging socket is arranged in the vehicle-end power receiving cabinet, and an industrial camera is arranged outside the vehicle-end power receiving cabinet for identifying the pose of the charging connector. By using the scheme provided by the invention, automatic charging of the mine card can be realized to replace manual operation, so that the charging end and the power receiving end are uniformly stressed when the mine card is charged, the service life of charging equipment is prolonged, electric leakage caused by abrasion of a charging cable is avoided, and the safety is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of engineering machinery charging equipment, and in particular relates to an automatic charging device for a mining truck. Background Art

[0002] With the increasing popularity of new energy equipment for green mine construction, electrification of mining operations is becoming more and more important; reducing operating costs and improving energy efficiency are also becoming a development trend. With many advantages, the development of mining electrification has been taken seriously by mining companies, who are committed to achieving the goal of reducing carbon dioxide emissions.

[0003] However, the mining environment is harsh, and there are many factors that affect the life of charging equipment, such as leakage caused by the falling off of the shell or the wear of the cable. Although leakage protection is implemented, charging requires manual operation, which is still dangerous on rainy days. In addition, the life of the charging equipment is often affected by improper operation such as plugging and unplugging too hard or the entanglement and pulling of the charging cable. Utility Model Content

[0004] In order to solve the above-mentioned deficiencies in the prior art, the utility model provides an automatic charging device for a mining truck, which realizes automatic charging of the mining truck to replace manual operation, so that the charging end and the receiving end are evenly stressed when the mining truck is charging, thereby increasing the service life of the charging equipment, avoiding leakage caused by wear of the charging cable, and having high safety.

[0005] In order to achieve the purpose of this utility model, the following scheme is proposed:

[0006] A mining card automatic charging device, comprising:

[0007] The automatic charger is installed on a frame and includes an electrical control cabinet and a telescopic arm. A charging cable is provided at the output end of the electrical control cabinet. One end of the charging cable is connected to a charging connector. The charging cable is arranged along the outer wall of the telescopic arm in the length direction.

[0008] The vehicle-end power receiving cabinet is located at one end of the mining truck. It has a charging socket inside and an industrial camera outside to identify the position of the charging connector.

[0009] Furthermore, the vehicle-end power receiving cabinet also includes a cabinet body, one side of which is provided with a protective door, and one end of the protective door is provided with a sliding connecting rod mechanism for controlling the opening or closing of the protective door.

[0010] Furthermore, a planetary reduction motor is provided at one end of the telescopic arm, and the planetary reduction motor is installed on the frame for controlling the movement of the telescopic arm. An induction grating is provided at one end of the frame for determining the parking position of the mining truck.

[0011] Furthermore, three planetary reduction motors are evenly distributed at 120°, and the output end of each planetary reduction motor is connected to a telescopic arm. The telescopic arm includes an active arm, one end of which is connected to the output end of the planetary reduction motor, and the other end is provided with a group of parallel driven arms, and one end of each driven arm is connected to the charging connector.

[0012] Furthermore, the charging connector includes a first mounting seat, an elastic component is provided in the middle of one side of the first mounting seat, a second mounting seat is provided at one end of the elastic component, and a spiral rubber sleeve is provided on the periphery of the elastic component.

[0013] Furthermore, a metal pipe joint is provided on the first mounting seat, one end of the charging cable passes through the metal pipe joint to connect to the plug, the plug is installed on the second mounting seat, one side of the second mounting seat is provided with a positioning pin set at a distance from the plug, the charging socket includes a positioning hole and a socket, when charging, the positioning pin cooperates with the positioning hole, and the plug cooperates with the socket.

[0014] Furthermore, the elastic component includes a first T-shaped shaft and a second T-shaped shaft slidably arranged at one end of the first T-shaped shaft, the vertical portion of the first T-shaped shaft and the vertical portion of the second T-shaped shaft are arranged opposite to each other, the horizontal portion of the first T-shaped shaft is connected to one side of the first mounting seat, a first spring is arranged between the first T-shaped shaft and the second T-shaped shaft, the other end of the first T-shaped shaft is connected to one side of the first mounting seat, and one end of the second T-shaped shaft is connected to the other side of the second mounting seat.

[0015] Furthermore, the first T-shaped shaft and the second T-shaped shaft are hollow inside, a group of symmetrical slide grooves are arranged on the first T-shaped shaft, and a connecting pin is arranged inside the second T-shaped shaft, and the connecting pin is slidably arranged in the slide groove.

[0016] Furthermore, the charging socket also includes a first socket head, one side of which is provided with a universal joint, a second socket head is provided at one end of the universal joint, a second spring is provided in a circular array on the outer periphery of the universal joint, a spiral rubber sleeve is provided on the outer periphery of the second spring distribution track, and the positioning hole and the socket are arranged at intervals on the second socket head.

[0017] The beneficial effects of the utility model are:

[0018] When the mining truck is docked in place, the image signal obtained by the industrial camera is used to identify the spatial position of the charging connector to determine the position of the charging connector. The electrical control cabinet then controls the telescopic arm according to the image signal to drive the charging connector to move and connect the charging connector to the charging socket to achieve automatic charging of the mining truck, thereby replacing manual plugging and unplugging to avoid affecting the service life of the automatic charging device due to improper operation or excessive plugging and unplugging force. The charging cable is fixedly wired along the length of the telescopic arm to effectively avoid the risk of leakage caused by cable wear, with high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present invention.

[0020] Figure 1 A schematic diagram of an application scenario of the present application is shown.

[0021] Figure 2 A schematic diagram of the structure of the automatic charger of the present application is shown.

[0022] Figure 3 This application shows Figure 2 A local enlarged schematic diagram of point A.

[0023] Figure 4 A schematic diagram of the charging connector structure of the present application is shown.

[0024] Figure 5 A schematic diagram of the charging state after the protective door of the present application is opened is shown.

[0025] Figure 6 A schematic diagram of the connection structure between the sliding link mechanism and the protective door of the present application is shown.

[0026] Figure 7 The schematic diagram of the charging socket structure of the present application is shown

[0027] Markings in the figure: mining truck 1, automatic charger 100, electrical control cabinet 110, charging cable 111, telescopic arm 120, active arm 121, driven arm 122, charging connector 130, first mounting seat 131, second mounting seat 132, spiral rubber sleeve 133, metal pipe joint 134, positioning pin 135, plug 136, planetary reduction motor 140, induction grating 150, elastic component 1 60. first T-shaped shaft 161, second T-shaped shaft 162, first spring 163, connecting pin 164, slide groove 165, vehicle-end power receiving cabinet 200, charging socket 210, positioning hole 211, socket 212, first socket head 213, universal joint 214, second socket head 215, second spring 216, industrial camera 220, cabinet 230, protective door 231, sliding linkage mechanism 232. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings, but the embodiments described in the utility model are only part of the embodiments of the utility model, rather than all the embodiments.

[0029] This embodiment provides a mining truck automatic charging device, which is used for automatic charging of a mining truck 1 to replace manual operation, improve the degree of automation, avoid manual misoperation, increase the service life of the automatic charging device, and has high safety. Figure 1-Figure 7 As shown, the automatic charging device includes an automatic charger 100 and a vehicle-end power receiving cabinet 200 provided at one end of the mining truck 1 .

[0030] Specifically, Figure 2 , Figure 5 As shown, the automatic charger 100 is installed on the rack. The automatic charger 100 includes an electrical control cabinet 110, a telescopic arm 120, and a charging connector 130. The electrical control cabinet 110 is arranged on the rack. A charging cable 111 is provided at the output end of the electrical control cabinet 110. One end of the charging cable 111 is connected to the charging connector 130. One end of the telescopic arm 120 is installed on the rack, and the charging connector 130 is installed at the other end of the telescopic arm 120. The charging cable 111 is installed along the length direction of the telescopic arm 120, and the charging cable 111 is fixed to the outer wall of the telescopic arm 120 by a clip to avoid entanglement and wear of the charging cable 111 and increase the service life.

[0031] A charging socket 210 is provided inside the vehicle-end power receiving cabinet 200 , and an industrial camera 220 is provided on the outer wall thereof for identifying the position and posture of the charging connector 130 .

[0032] When in use, the industrial camera 220 identifies the position of the charging connector 130 to confirm the position of the charging connector 130, and transmits the identification signal to the upper computer in the electrical control cabinet 110 for communication, thereby controlling the telescopic arm 120 to move to the required position, so that the charging connector 130 is connected to the charging socket 210, so as to realize automatic charging of the mining truck 1, thereby replacing manual plugging and unplugging to avoid affecting the service life of the automatic charging device due to improper operation or excessive plugging and unplugging force.

[0033] Specifically, Figure 5 , Figure 6 As shown, the vehicle-end power receiving cabinet 200 includes a cabinet 230, and the charging socket 210 is arranged in the cabinet 230. A protective door 231 is arranged on the side of the cabinet 230 facing the charging connector 130. The upper end of the protective door 231 is hinged to the cabinet 230, and a sliding link mechanism 232 is arranged on the side of the protective door 231 facing the inside of the cabinet 230, which is used to open the protective door 231 during charging and to close the protective door 231 after charging is completed, so as to prevent dust from entering the cabinet 230 and affecting the service life of the charging operation 210. The sliding link mechanism 232 can be adopted by setting a guide plate on the side of the protective door 231 facing the inside of the cabinet 230, setting a slide groove on the guide plate, and setting a rotating rod in the slide groove, and one end of the rotating rod is connected to the rotating member, so that the rotating member controls the rotating rod to realize the opening or closing of the protective door.

[0034] Specifically, Figure 2 , Figure 3 As shown, the frame is provided with three planetary reduction motors 140 equally divided by 120 degrees, the planetary reduction motors 140 are close to one side of the electrical control cabinet 110, and the output end of each planetary reduction motor 140 is provided with a telescopic arm 120, the telescopic arm 120 includes an active arm 121 and a group of parallel driven arms 122, one end of the active arm 121 is connected to the output end of the planetary reduction motor 140 to drive the direct R-type drive of the active arm, so that the active arm can only rotate around the motor, and a group of driven arms 122 are respectively connected to the two ends of the other end of the active arm 121 through fisheye ball bearings On the other side, the other end of the driven arm 122 is connected to one side of the charging connector 130 through a fisheye ball bearing, so that the driven arm 122 corresponding to each active arm 121 forms a group of parallel and equal connecting rod mechanisms. The active arm 121 and the driven arm 122 cooperate to realize the movement of the charging socket at any position in the spatial freedom, thereby realizing unmanned charging, so as to avoid affecting the service life of the device due to improper manual operation and excessive force when plugging and unplugging, and fix the wiring of the charging cable 111 along the length direction of the active arm 121 and the driven arm 122, effectively avoiding the risk of leakage caused by cable wear. An inductive grating 150 is provided at one end of the frame, and the inductive grating 150 is located below the telescopic arm 120. The inductive grating 150 is used to detect the docking position of the mining car 1 to ensure that it is docked in place, and upload the detection signal to the host computer communication, so that the electrical control cabinet 110 starts the charging program, and takes pictures through the industrial camera 220 to confirm the spatial position of the charging connector 130, and transmits the image information obtained by the industrial camera 220 to the electrical control cabinet 110. Through the logical calculation of the electrical control cabinet 110, the spatial relative position of the charging connector 130 and the charging socket 210 is determined, and the electrical control cabinet 110 issues a command to start each planetary reduction motor 140, so that the planetary reduction motor 140 drives the active arm 121 to rotate, so that the charging connector 130 and the charging socket 210 are plugged together to realize automatic charging.

[0035] Specifically, Figure 4As shown, the charging connector 130 includes a first mounting seat 131, a second mounting seat 132, a spiral rubber sleeve 133, a metal pipe joint 134, two positioning pins 135, and a plug 136. Three protrusions are arranged on the periphery of the first mounting seat 131, and the other end of a group of driven arms 122 corresponding to each active arm 121 is connected to the two ends of the protrusions corresponding to the first mounting seat 131 through a fish eye ball bearing. An elastic component 160 is arranged in the middle of one side of the first mounting seat 131, and the other end of the elastic component 160 is connected to one side of the second mounting seat 132. The spiral rubber sleeve 133 is located between the first mounting seat 131 and the second mounting seat 132, and the spiral rubber sleeve 133 is located on the periphery of the elastic component 160 and has a distance from the elastic component 160. The metal pipe joint 134 is arranged outside the first mounting seat 131. The plug 136 includes a positive terminal plug and a negative terminal plug arranged in parallel, and the positioning pins 135 are respectively arranged on both sides of the connection line between the positive terminal plug and the negative terminal plug. The charging socket 210 includes two positioning holes 211 and a socket 212. The socket 212 includes a positive socket and a negative socket. The positioning holes 211 are located on both sides of the line connecting the positive terminal socket and the negative terminal socket. When charging, the positioning pin 135 cooperates with the positioning hole 211, the positive terminal plug cooperates with the positive terminal socket, and the negative terminal plug cooperates with the negative terminal socket.

[0036] Specifically, Figure 4 As shown, the elastic component 160 includes a first T-shaped shaft 161, a second T-shaped shaft 162, a first spring 163, and a connecting pin 164. The first T-shaped shaft 161 and the second T-shaped shaft 162 are hollow inside. The horizontal portion of the first T-shaped seat 161 is connected to one side of the first mounting seat 131. The vertical portion of the first T-shaped shaft 161 and the vertical portion of the second T-shaped shaft 162 are arranged opposite to each other, and the vertical portion of the first T-shaped shaft 161 is slidably arranged in the vertical portion of the second T-shaped shaft 162. A group of sliding grooves 165 are arranged along the axial direction of the first T-shaped shaft 161. The sliding grooves 165 are connected to the inner wall of the vertical portion of the first T-shaped shaft 161. The connecting pin 164 is arranged along the radial direction of one end of the second T-shaped shaft 162, so that the connecting pin 164 and the sliding groove 165 are slidably matched. The first spring 163 is sleeved on the vertical portion of the first T-shaped shaft 161 and the vertical portion of the second T-shaped shaft 162 to overcome the axial floating of the charging connector 130. One end of the first spring 163 is in contact with the transverse portion of the first T-shaped shaft 161 , and the other end is in contact with the transverse portion of the second T-shaped shaft 162 , so that the charging connector 130 is kept tightly plugged during charging.

[0037] Specifically, Figure 7As shown, in order to overcome the radial floating of the charging socket 210 during charging, the charging socket 210 also includes a first socket head 213, a universal joint 214, a second socket head 215, and a plurality of second springs 216. One side of the first socket head 213 is connected to the cabinet 230, the universal joint 214 is arranged on the other side of the first socket head 213, one end of the universal joint 214 is connected to one side of the second socket head 215, and the plurality of second springs 216 are arranged in a circular array between the first socket head 213 and the second socket head 215, and are located on the periphery of the universal joint 214, and a spiral rubber sleeve 133 is provided on the periphery of the distribution track of the second springs 216.

[0038] The charging cables 111 are all liquid-cooled charging cables, so that the charging connector 130 and the charging socket 210 can obtain better heat dissipation, thereby achieving high-power charging.

[0039] The above is only a preferred embodiment of the utility model, and does not mean that it is the only one or limit the utility model. Those skilled in the art should understand that various changes or equivalent replacements made to the utility model without departing from the scope of the utility model are within the scope of protection of the utility model.

Claims

1. A mining card automatic charging device, characterized in that: include: An automatic charger (100) is installed on a frame and comprises an electrical control cabinet (110) and a telescopic arm (120); a charging cable (111) is provided at the output end of the electrical control cabinet (110); one end of the charging cable (111) is connected to a charging connector (130); and the charging cable (111) is arranged along an outer wall of the telescopic arm (120) in a length direction; A vehicle-end power receiving cabinet (200) is arranged at one end of the mining truck (1), and is provided with a charging socket (210) therein and an industrial camera (220) thereout, for identifying the position and posture of the charging connector (130).

2. The automatic charging device for mining trucks according to claim 1, characterized in that: The vehicle-end power receiving cabinet (200) further comprises a cabinet body (230), one side of which is provided with a protective door (231), and one end of the protective door (231) is provided with a sliding link mechanism (232) for controlling the opening or closing of the protective door (231).

3. The automatic charging device for mining trucks according to claim 1, characterized in that: A planetary reduction motor (140) is provided at one end of the telescopic arm (120). The planetary reduction motor (140) is mounted on a frame and is used to control the movement of the telescopic arm (120). An induction grating (150) is provided at one end of the frame and is used to determine the parking position of the mining truck (1).

4. The automatic charging device for mining trucks according to claim 3, characterized in that: Three planetary reduction motors (140) are evenly spaced at 120 degrees, and the output end of each planetary reduction motor (140) is connected to a telescopic arm (120). The telescopic arm (120) comprises an active arm (121), one end of which is connected to the output end of the planetary reduction motor (140), and the other end of which is provided with a group of parallel driven arms (122), and one end of each driven arm (122) is connected to a charging connector (130).

5. The automatic charging device for mining trucks according to claim 1, characterized in that: The charging connector (130) comprises a first mounting seat (131), a middle portion of one side of which is provided with an elastic component (160), one end of the elastic component (160) is provided with a second mounting seat (132), and the outer periphery of the elastic component (160) is provided with a spiral rubber sleeve (133).

6. The automatic charging device for mining trucks according to claim 5, characterized in that: A metal pipe joint (134) is provided on the first mounting seat (131); one end of the charging cable (111) passes through the metal pipe joint (134) to connect to a plug (136); the plug (136) is mounted on the second mounting seat (132); a positioning pin (135) is provided on one side of the second mounting seat (132) and is spaced from the plug (136); the charging socket (210) comprises a positioning hole (211) and a socket (212); when charging, the positioning pin (135) cooperates with the positioning hole (211), and the plug (136) cooperates with the socket (212).

7. The automatic charging device for mining trucks according to claim 5, characterized in that: The elastic component (160) comprises a first T-shaped shaft (161) and a second T-shaped shaft (162) slidably arranged at one end of the first T-shaped shaft (161); the vertical portion of the first T-shaped shaft (161) and the vertical portion of the second T-shaped shaft (162) are arranged opposite to each other; the horizontal portion of the first T-shaped shaft (161) is connected to one side of the first mounting seat (131); a first spring (163) is arranged between the first T-shaped shaft (161) and the second T-shaped shaft (162); the other end of the first T-shaped shaft (161) is connected to one side of the first mounting seat (131); and one end of the second T-shaped shaft (162) is connected to the other side of the second mounting seat (132).

8. The automatic charging device for mining trucks according to claim 7, characterized in that: The first T-shaped shaft (161) and the second T-shaped shaft (162) are hollow inside. A group of symmetrical slide grooves (165) are provided on the first T-shaped shaft (161). A connecting pin (164) is provided inside the second T-shaped shaft (162). The connecting pin (164) is slidably arranged in the slide groove (165).

9. The automatic charging device for mining trucks according to claim 6, characterized in that: The charging socket (210) further comprises a first socket head (213), one side of which is provided with a universal joint (214), one end of which is provided with a second socket head (215), the outer circumference of the universal joint (214) is provided with second springs (216) in a circular array, the outer circumference of the distribution track of the second springs (216) is provided with a spiral rubber sleeve (133), and the positioning hole (211) and the socket (212) are arranged at intervals on the second socket head (215).

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