A detection device for new energy vehicle charging pile

Abstract

The present application relates to the technical field of charging pile detection, and particularly relates to a detection device for a new energy vehicle charging pile. The technical problem of the present application is that the charging pile is affected by human and natural factors in the real use environment, and the current detection device is not convenient for simulating the non-axial stress during manual plugging and the outdoor sand and dust environment when detecting the charging pile, so that it is difficult to detect the structural stability of the charging gun connector and the electrical connection stability under the interference environment, thereby resulting in poor detection effect of the charging pile. A detection device for a new energy vehicle charging pile comprises a rack, a charging pile tester is fixedly connected to the rack, and an adapter is installed on the charging pile tester. By applying lateral pressure to the charging gun during detection, the non-axial stress during manual plugging is simulated, thereby the structural stability of the charging gun connector is detected, and the detection effect of the charging gun is enhanced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of charging pile detection, and particularly relates to a detection device for a new energy vehicle charging pile. BACKGROUND

[0002] The new energy vehicle charging pile is the core infrastructure for energy supply of electric vehicles, and its safety and reliability directly affect the user experience. The charging gun, as the core component of the charging pile connected to the vehicle, needs to be strictly detected before leaving the factory and in periodic maintenance to ensure that the key data such as interface conduction performance and insulation protection meet the standards. The conventional detection method is usually to connect the charging gun to the charging pile tester to detect multiple data of the charging pile.

[0003] Since the charging pile will be affected by human and natural factors in the real use environment, and the current detection device is not convenient for simulating the non-axial stress during manual plugging and the outdoor sand and dust environment during detection of the charging pile, it is difficult to detect the structural stability of the charging gun connector and the electrical connection stability under the interference environment, thereby resulting in poor detection effect of the new energy vehicle charging pile. SUMMARY

[0004] In order to overcome the above-mentioned shortcomings, the present application provides a detection device for a new energy vehicle charging pile, which can simulate the non-axial stress during manual plugging and the outdoor sand and dust environment to detect the structural stability of the charging gun connector and the electrical connection stability under the interference environment, thereby enhancing the detection effect of the charging pile.

[0005] The technical scheme is as follows: a detection device for a new energy vehicle charging pile, comprising a rack, a charging pile tester fixedly connected to the rack, an adapter installed on the charging pile tester, a sliding rod slidably connected to the rack, a plug hole formed in the sliding rod, a placing rack rotatably connected to the sliding rod, a charging gun placed on the placing rack, a fixing mechanism provided on the placing rack, a plugging mechanism provided on the rack, and an offset mechanism provided on the placing rack.

[0006] More preferably, the fixing mechanism comprises a first electric push rod fixedly connected to the placing rack, two guide columns fixedly connected to the two sides of the placing rack, two groups of guide columns on the same side, two clamping pieces slidably connected to the two groups of guide columns, a link frame fixedly connected to the extension rod of the first electric push rod, and a connecting rod rotatably connected between the link frame and the two clamping pieces.

[0007] More preferably, the placing rack and the clamping piece are both provided with a buffer pad.

[0008] More preferably, the plug-in mechanism comprises a second electric push rod, the second electric push rod is fixedly connected to the bottom of the frame, a connecting arm is fixedly connected to the telescopic rod of the second electric push rod, the connecting arm is in sliding connection with the sliding rod, and a plug is threadedly connected to the connecting arm and in contact with the insertion hole of the sliding rod.

[0009] More preferably, the offset mechanism comprises a worm, the worm is rotatably connected to one end of the rack close to the sliding rod, a worm wheel is rotatably connected to one end of the sliding rod close to the rack, the worm wheel is in meshing connection with the worm, and a torsional spring is connected between the worm wheel and the sliding rod.

[0010] More preferably, the force mechanism is further arranged on the sliding rod, the force mechanism comprises a fixing ring, the fixing ring is fixedly connected to one end of the sliding rod close to the rack, a first tension spring is connected between the fixing ring and the connecting arm, a scale is fixedly connected to the top of the connecting arm, the scale is in sliding connection with the fixing ring, a vernier is in sliding connection with the scale, an indicating groove is formed in the vernier, and the vernier is in contact with the fixing ring.

[0011] More preferably, the sand dust mechanism is further arranged on the charging pile tester, the sand dust mechanism comprises a supporting shell, the supporting shell is fixedly connected to the charging pile tester, the supporting shell is provided with a storage bin, the bottom of the supporting shell is provided with two discharge ports, a guide rod is fixedly connected to the charging pile tester, a sliding frame is in sliding connection with the guide rod, the top of the sliding frame is in rack structure, a pressure spring is connected between the sliding frame and the charging pile tester, a feeder is rotatably connected to the supporting shell, a plurality of grooves are formed in the feeder, an overrunning clutch is fixedly connected to one end of the feeder, a gear is fixedly connected to the outer ring of the overrunning clutch, and the gear is in meshing connection with the rack structure of the sliding frame.

[0012] More preferably, the blowing assembly is further arranged on the second electric push rod, the blowing assembly comprises a piston cylinder, the piston cylinder is fixedly connected to the bottom of the second electric push rod, a piston rod is in sliding connection with the piston cylinder, the piston rod is fixedly connected to the connecting arm, the piston rod is in hollow structure, a gas storage bin is fixedly connected to the end, away from the piston rod, of the piston cylinder, the top of the gas storage bin is provided with a channel, a first one-way valve is arranged in the piston rod, a second one-way valve is arranged on the side, close to the piston cylinder, of the gas storage bin, a valve rod is in sliding connection with the piston cylinder, the valve rod is in sliding connection with the channel of the gas storage bin, a second tension spring is connected between the valve rod and the gas storage bin, a blowing head is fixedly connected to the supporting shell, a connecting pipe is connected between the blowing head and the channel of the gas storage bin, and the connecting pipe is in communication with the inside of the gas storage bin through the channel of the gas storage bin.

[0013] More preferably, the machine shell is further arranged.

[0014] Compared with the prior art, the present application has the following advantages: 1. By applying lateral pressure to the charging gun while detecting the charging gun, the structural stability of the charging gun connector is detected, and the detection effect of the charging gun is enhanced.

[0015] 2. The vernier indicates the peak force of the charging gun insertion each time the charging gun is inserted into the adapter, and the insertion resistance of the charging gun is recorded, so that the material wear resistance of the charging gun is detected by comparing multiple values, and the detection effect of the charging gun is significantly enhanced.

[0016] 3. Before the charging gun is inserted, the mixture is poured into the charging gun connector to simulate the outdoor sand environment, so that the electrical connection stability of the charging gun connector in the sand environment is detected, and the detection effect of the charging gun is further enhanced; after the charging gun is separated from the adapter, the compressed air is blown out by the air blowing head to blow off the mixture remaining in the adapter, thereby reducing the influence on subsequent detection. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the three-dimensional structure of the present application.

[0018] Figure 2 is a schematic diagram of the cross-sectional three-dimensional structure of the present application.

[0019] Figure 3 is a schematic diagram of the partial three-dimensional structure of the present application.

[0020] Figure 4 is a schematic diagram of the three-dimensional structure of the fixing mechanism of the present application.

[0021] Figure 5 is a schematic diagram of the split three-dimensional structure of the fixing mechanism of the present application.

[0022] Figure 6 is a schematic diagram of the three-dimensional structure of the plug-in mechanism of the present application.

[0023] Figure 7 is a schematic diagram of the cross-sectional three-dimensional structure of the plug-in mechanism of the present application.

[0024] Figure 8 is a schematic diagram of the three-dimensional structure of the offset mechanism of the present application.

[0025] Figure 9 is a schematic diagram of the split three-dimensional structure of the offset mechanism of the present application.

[0026] Figure 10 is a schematic diagram of the three-dimensional structure of the force mechanism of the present application.

[0027] Figure 11 is a schematic diagram of the split three-dimensional structure of the force mechanism of the present application.

[0028] Figure 12 It is a perspective view of the sand dust mechanism of the application.

[0029] Figure 13 It is a sectional perspective view of the sand dust mechanism of the application.

[0030] Figure 14 It is a disassembled perspective view of the sand dust mechanism of the application.

[0031] Figure 15 It is a perspective view of the blowing assembly of the application.

[0032] Figure 16 It is a sectional perspective view of the blowing assembly of the application.

[0033] Figure 17 It is a partial sectional perspective view of the blowing assembly of the application.

[0034] In the above drawings, the following reference signs are included: 1, frame, 2, charging pile tester, 3, adapter, 4, sliding rod, 5, placing rack, 6, charging gun, 7, fixing mechanism, 71, first electric push rod, 72, guide column, 73, clamping piece, 74, linking rack, 75, connecting rod, 8, plug-in mechanism, 81, second electric push rod, 82, connecting arm, 83, latch, 9, offset mechanism, 91, worm, 92, worm gear, 93, torsional spring, 10, force mechanism, 101, fixed ring, 102, first tension spring, 103, scale, 104, vernier, 11, sand dust mechanism, 111, support shell, 112, guide rod, 113, sliding rack, 114, pressure spring, 115, feeder, 116, overrunning clutch, 117, gear, 12, blowing assembly, 121, piston cylinder, 122, piston rod, 123, gas storage chamber, 124, first one-way valve, 125, second one-way valve, 126, valve rod, 127, second tension spring, 128, connecting pipe, 129, blowing head, 13, machine shell. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the application will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0036] Embodiment 1: a detection device for a new energy vehicle charging pile, as shown in Figures 1-17As shown, including organic frame 1, frame 1 is connected by bolt charging pile tester 2, the adapter 3 is installed on the charging pile tester 2, the slide bar 4 is slidably connected on the frame 1, the slide bar 4 is provided with a socket, the slide bar 4 is rotatably connected with the rack 5, the rack 5 is placed on the charging gun 6, the charging pile tester 2 is used for detecting the charging gun 6, the rack 5 is provided with a fixing mechanism 7, the frame 1 is provided with a plug-in mechanism 8, the rack 5 is provided with an offset mechanism 9.

[0037] The fixing mechanism 7 includes a first electric push rod 71, the first electric push rod 71 is connected to the rack 5 by bolt, both sides of the rack 5 are connected by bolt with two guide columns 72, the two guide columns 72 on the same side are a group, the two guide columns 72 are slidably connected with the clamping piece 73, the two clamping pieces 73 are used for clamping the charging gun 6, the first electric push rod 71 is connected with the link frame 74 on the telescopic rod by bolt, the link frame 74 is rotatably connected with the connecting rod 75 between the two clamping pieces 73.

[0038] The rack 5 and the clamping piece 73 are provided with buffer pad, the buffer pad on the rack 5 and the clamping piece 73 is used for reducing the pressure injury to the charging gun 6.

[0039] The plug-in mechanism 8 includes a second electric push rod 81, the second electric push rod 81 is connected to the bottom of the frame 1 by bolt, the second electric push rod 81 is connected with the connecting arm 82 on the telescopic rod by bolt, the connecting arm 82 is slidably connected with the slide bar 4, the connecting arm 82 is threadedly connected with the latch 83, the latch 83 is in contact with the socket of the slide bar 4, the latch 83 is used for inserting into the socket of the slide bar 4.

[0040] The offset mechanism 9 includes a worm 91, the worm 91 is rotatably connected to one end of the rack 5 close to the slide bar 4, the slide bar 4 is rotatably connected with the worm wheel 92 close to the rack 5, the worm wheel 92 is engaged with the worm 91, the worm wheel 92 is connected with the slide bar 4 between the torsion spring 93.

[0041] It also includes a shell 13, the shell 13 is used for protecting the internal parts.

[0042] At the beginning, the plug 83 is inserted into the socket of the slide rod 4, the test socket of the charging pile tester 2 is inserted with the adapter 3 matched with the charging gun 6, first, the charging pile tester 2 is started, and the charging gun 6 is placed on the placing rack 5, then the extension rod of the first electric push rod 71 is controlled to extend, the linkage rack 74 is driven to move downwards, the linkage rack 74 moving downwards drives the two clamping pieces 73 to move close to each other through the two connecting rods 75, so that the two clamping pieces 73 clamp the charging gun 6, so that the charging gun 6 is more stable during the detection process, then the extension rod of the second electric push rod 81 is controlled to retract, the connecting arm 82 is driven to move towards the rack 1, the connecting arm 82 moving will drive the slide rod 4 to move through the plug 83, the slide rod 4 moving will drive the charging gun 6 to move through the placing rack 5, the charging gun 6 moving a certain distance will be inserted into the adapter 3, so that the charging pile tester 2 detects the charging gun 6 through the adapter 3, so as to detect a plurality of data of the charging gun 6, then the extension rod of the second electric push rod 81 is controlled to extend, the connecting arm 82 is reset, so that the slide rod 4, the placing rack 5 and the charging gun 6 are reset, repeat the above process, and the charging gun 6 is inserted and pulled out for multiple times, so as to detect whether each data of the charging gun 6 is stable when the charging gun 6 is inserted each time; before the insertion and pulling detection, the placing rack 5 can be driven to rotate a certain angle based on the slide rod 4 through the worm 91 rotating the worm gear 92, the placing rack 5 rotating will drive the charging gun 6 to rotate a certain angle with the joint of the charging gun 6 as the center, so that the charging gun 6 is in an inclined state, when the placing rack 5 drives the charging gun 6 to insert towards the adapter 3, the adapter 3 will correct the charging gun 6, so that the charging gun 6 drives the worm 91 to return to normal through the placing rack 5, the worm 91 returning to normal will twist the torsional spring 93 through the worm gear 92, the torsional force of the torsional spring 93 will continuously apply pressure to the charging gun 6 through the worm gear 92, the worm 91 and the placing rack 5, so that the charging gun 6 is detected at the same time, and the lateral pressure is applied to the charging gun 6, and then the non-axial stress during manual insertion and pulling is simulated, so as to detect the structural stability of the joint of the charging gun 6, and the detection effect of the charging gun 6 is enhanced; when the adapter 3 is worn and affects the detection precision or needs to detect other models of the charging gun 6, it can be disassembled and replaced; after the detection of the charging gun 6 is completed, the extension rod of the first electric push rod 71 is controlled to retract, the linkage rack 74 is reset, the linkage rack 74 resetting will drive the two clamping pieces 73 to reset through the two connecting rods 75, so that the two clamping pieces 73 no longer clamp the charging gun 6, then the charging gun 6 is taken off.

[0043] In the embodiment 1, the adapter 3 matched with the charging gun 6 is inserted into the test socket of the charging pile tester 2, the extension rod of the first electric push rod 71 is controlled to extend, the linkage rack 74 is driven to move downwards, the two clamping pieces 73 are driven to move close to each other through the two connecting rods 75, so that the two clamping pieces 73 clamp the charging gun 6, then the extension rod of the second electric push rod 81 is controlled to retract, the connecting arm 82 is driven to move towards the rack 1, the connecting arm 82 moving will drive the slide rod 4 to move through the plug 83, the slide rod 4 moving will drive the charging gun 6 to move through the placing rack 5, the charging gun 6 moving a certain distance will be inserted into the adapter 3, so that the charging pile tester 2 detects the charging gun 6 through the adapter 3, so as to detect a plurality of data of the charging gun 6, then the extension rod of the second electric push rod 81 is controlled to extend, the connecting arm 82 is reset, so that the slide rod 4, the placing rack 5 and the charging gun 6 are reset, repeat the above process, and the charging gun 6 is inserted and pulled out for multiple times, so as to detect whether each data of the charging gun 6 is stable when the charging gun 6 is inserted each time. Figures 1-17As shown, the force mechanism 10 is arranged on the slide rod 4, the force mechanism 10 comprises a fixed ring 101, the fixed ring 101 is connected to the slide rod 4 near one end of the placing rack 5 through bolts, a first tension spring 102 is connected between the fixed ring 101 and the connecting arm 82, a scale 103 is connected to the top of the connecting arm 82 through bolts, the scale 103 is slidingly connected with the fixed ring 101, a vernier 104 is slidingly connected on the scale 103, the vernier 104 is provided with an indicating slot, the indicating slot of the vernier 104 indicates the tension of the first tension spring 102 through the scale 103, and the vernier 104 is in contact with the fixed ring 101.

[0044] Before the charging gun 6 is inserted into the adapter 3, the operator can rotate the latch 83 so that the latch 83 is no longer inserted into the insertion hole of the slide rod 4, when the telescopic rod of the second electric push rod 81 drives the connecting arm 82 and the scale 103 to move towards the rack 1, the connecting arm 82 will drive the fixed ring 101 and the slide rod 4 to move together through the first tension spring 102, so that the charging gun 6 is close to the adapter 3, after the charging gun 6 abuts against the adapter 3, affected by the friction force between the charging gun 6 and the adapter 3, the charging gun 6 no longer moves, the connecting arm 82 drives the scale 103 to continue to move, the first tension spring 102 is stretched, the scale 103 moves towards the rack 1 based on the fixed ring 101, and meanwhile the fixed ring 101 abuts against the vernier 104, when the tension of the first tension spring 102 is greater than the friction force between the charging gun 6 and the adapter 3, the tension of the first tension spring 102 will drive the fixed ring 101, the slide rod 4, the placing rack 5 and the charging gun 6 to move towards the rack 1, so that the charging gun 6 is inserted into the adapter 3, the first tension spring 102 resets, at this time the vernier 104 is no longer in contact with the fixed ring 101, and the indicating slot of the vernier 104 indicates the peak tension of the first tension spring 102 when the charging gun 6 is inserted into the adapter 3 through the scale 103, the operator records the scale indicated by the vernier 104 on the scale 103, then controls the telescopic rod of the second electric push rod 81 to be elongated to drive the charging gun 6 to reset, and then the vernier 104 is reset, and the process is repeated, the peak force of the charging gun 6 inserted each time is indicated by the vernier 104, and the insertion resistance of the charging gun 6 is recorded, so that the material wear resistance of the charging gun 6 is detected by comparing multiple values, and the detection effect of the charging gun 6 is significantly improved.

[0045] In the embodiment 2, the force mechanism 10 is arranged on the slide rod 4, the force mechanism 10 comprises a fixed ring 101, the fixed ring 101 is connected to the slide rod 4 near one end of the placing rack 5 through bolts, a first tension spring 102 is connected between the fixed ring 101 and the connecting arm 82, a scale 103 is connected to the top of the connecting arm 82 through bolts, the scale 103 is slidingly connected with the fixed ring 101, a vernier 104 is slidingly connected on the scale 103, the vernier 104 is provided with an indicating slot, the indicating slot of the vernier 104 indicates the tension of the first tension spring 102 through the scale 103, and the vernier 104 is in contact with the fixed ring 101. Figures 1-17Also shown, there is a sand dust mechanism 11 provided on the charging pile tester 2, the sand dust mechanism 11 comprises a support shell 111, the support shell 111 is connected to the charging pile tester 2 by bolts, the support shell 111 is provided with a storage bin, the storage bin of the support shell 111 is used to contain a mixture composed of dust and fine sand, the bottom of the support shell 111 is provided with two discharge ports, the discharge port of the support shell 111 is used to discharge excess mixture, the charging pile tester 2 is connected with a guide rod 112 by bolts, the guide rod 112 is slidingly connected with a sliding frame 113, the top of the sliding frame 113 is a rack structure, the sliding frame 113 is connected with the charging pile tester 2 through a pressure spring 114, the support shell 111 is rotatably connected with a feeder 115, the feeder 115 is provided with a plurality of grooves, the grooves of the feeder 115 are used to contain and pour the mixture, one end of the feeder 115 is connected with a overrunning clutch 116 through a key groove, the outer ring of the overrunning clutch 116 is connected with a gear 117 through a key groove, the gear 117 is engaged with the rack structure of the sliding frame 113, the connecting arm 82 drives the gear 117 to rotate by extruding the sliding frame 113.

[0046] Also shown, there is a sand dust mechanism 11 provided on the charging pile tester 2, the sand dust mechanism 11 comprises a support shell 111, the support shell 111 is connected to the charging pile tester 2 by bolts, the support shell 111 is provided with a storage bin, the storage bin of the support shell 111 is used to contain a mixture composed of dust and fine sand, the bottom of the support shell 111 is provided with two discharge ports, the discharge port of the support shell 111 is used to discharge excess mixture, the charging pile tester 2 is connected with a guide rod 112 by bolts, the guide rod 112 is slidingly connected with a sliding frame 113, the top of the sliding frame 113 is a rack structure, the sliding frame 113 is connected with the charging pile tester 2 through a pressure spring 114, the support shell 111 is rotatably connected with a feeder 115, the feeder 115 is provided with a plurality of grooves, the grooves of the feeder 115 are used to contain and pour the mixture, one end of the feeder 115 is connected with a overrunning clutch 116 through a key groove, the outer ring of the overrunning clutch 116 is connected with a gear 117 through a key groove, the gear 117 is engaged with the rack structure of the sliding frame 113, the connecting arm 82 drives the gear 117 to rotate by extruding the sliding frame 113.

[0047] At the beginning, the storage bin of the supporting shell 111 is filled with a mixture composed of dust and fine sand, so that the mixture in the storage bin of the supporting shell 111 falls into the groove of the feeder 115, the piston rod 122 abuts against the valve rod 126, so that the second tension spring 127 is stretched, when the connecting arm 82 drives the piston rod 122 to move towards the rack 1, the connecting arm 82 no longer abuts against the valve rod 126, the second tension spring 127 resets to drive the valve rod 126 to move towards the air storage bin 123 to block the passage of the air storage bin 123, so that the inside of the air storage bin 123 is not communicated with the connecting pipe 128, the connecting arm 82 continues to drive the piston rod 122 to move, so that the piston rod 122 squeezes the air in the piston cylinder 121, the air in the piston cylinder 121 squeezed by the piston rod 122 will enter the air storage bin 123 through the second one-way valve 125, the connecting arm 82 continues to move a distance and will abut against the sliding frame 113, at this time the connector of the charging gun 6 is located directly below the feeder 115, then the connecting arm 82 continues to move and will push the sliding frame 113 to move towards the charging pile tester 2, the compression spring 114 is compressed, the rack structure of the connecting arm 82 will drive the feeder 115 to rotate a certain angle through the gear 117 and the overrunning clutch 116, so that the feeder 115 pours the mixture in the groove on the connector of the charging gun 6, the excess mixture will fall into the supporting shell 111 and be discharged through the discharge port of the supporting shell 111, then the charging gun 6 will insert into the adapter 3 with the mixture attached to the charging gun 6, in this way, the mixture is poured on the connector of the charging gun 6 before the charging gun 6 is inserted, and then the outdoor sand and dust environment is simulated, so as to detect the stability of the electrical connection of the connector of the charging gun 6 in the sand and dust environment, and further enhance the detection effect of the charging gun 6; when the charging gun 6 completes the insertion, the piston rod 122 also compresses the air in the piston cylinder 121 into the air storage bin 123, then the second hydraulic rod resets the connecting arm 82 and the piston rod 122, after the connecting arm 82 resets, it no longer squeezes the sliding frame 113, the compression spring 114 resets to drive the sliding frame 113 to reset, when the sliding frame 113 resets, the rack structure will reverse the gear 117, at this time the overrunning clutch 116 does not work, the gear 117 no longer drives the feeder 115 to rotate through the overrunning clutch 116, the piston rod 122 resets to generate negative pressure in the piston cylinder 121, the negative pressure in the piston cylinder 121 will suck air from the outside through the hollow piston rod 122 and the first one-way valve 124, after the piston rod 122 resets, it will pull the valve rod 126 to reset, the second tension spring 127 returns to the initial state, at this time the connecting pipe 128 is communicated with the inside of the air storage bin 123 again through the passage of the air storage bin 123, so that the compressed air in the air storage bin 123 will be blown out from the blowing head 129 through the connecting pipe 128, in this way, after the charging gun 6 is separated from the adapter 3, the compressed air is blown out from the blowing head 129, and then the mixture remaining in the adapter 3 is blown away, so as to reduce the influence on the subsequent detection.

[0048] The technical principles of the embodiments of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the embodiments of the present application, and cannot be explained as limiting the protection scope of the embodiments of the present application in any way. Based on the explanations herein, other specific implementation manners of the embodiments of the present application can be thought of by those skilled in the art without creative labor, and these manners will all fall within the protection scope of the embodiments of the present application.

Claims

1. A detection device for a new energy vehicle charging pile, characterized in that: The utility model provides a charging pile test instrument, including organic frame (1), and the fixed connection of charging pile test instrument (2) is established on frame (1), and the adapter (3) of installation is established on charging pile test instrument (2), and the sliding type connection of slide rod (4) is established on frame (1), and the insertion hole of opening is established on slide rod (4), and the rotary type connection of placing rack (5) is established on slide rod (4), and the placing of charging gun (6) is established on placing rack (5), and the fixed mechanism (7) is established on placing rack (5), and the plug -pull mechanism (8) is established on frame (1), and the offset mechanism (9) is established on placing rack (5), The fixed mechanism (7) includes a first electric push rod (71), the first electric push rod (71) is fixedly connected to the placing rack (5), both sides of the placing rack (5) are fixedly connected with two guide columns (72), the two guide columns (72) on the same side form a group, two groups of guide columns (72) are slidably connected with clamping pieces (73), a link bracket (74) is fixedly connected to the telescopic rod of the first electric push rod (71), and the link bracket (74) is rotatably connected with connecting rods (75) between the two clamping pieces (73) respectively. The plug -pull mechanism (8) includes a second electric push rod (81), the second electric push rod (81) is fixedly connected to the bottom of the frame (1), a connecting arm (82) is slidably connected with the slide rod (4) and is fixedly connected to the telescopic rod of the second electric push rod (81), a latch (83) is threadedly connected to the connecting arm (82), and the latch (83) is in contact with the insertion hole of the slide rod (4).

2. The detection device for a new energy vehicle charging pile according to claim 1, characterized in that: The placing rack (5) and the clamping piece (73) are provided with buffer pads.

3. The detection device for new energy vehicle charging pile according to claim 2, characterized in that: The offset mechanism (9) includes a worm (91), the worm (91) is rotatably connected to one end of the placing rack (5) close to the slide rod (4), a worm wheel (92) is rotatably connected to one end of the slide rod (4) close to the placing rack (5), the worm wheel (92) is meshed with the worm (91), and a torsional spring (93) is connected between the worm wheel (92) and the slide rod (4).

4. The detection device for a new energy vehicle charging pile according to claim 3, characterized in that: It also includes a force mechanism (10), which is arranged on the slide rod (4), and the force mechanism (10) includes a fixed ring (101), the fixed ring (101) is fixedly connected to one end of the slide rod (4) close to the placing rack (5), a first tension spring (102) is connected between the fixed ring (101) and the connecting arm (82), a scale (103) is fixedly connected to the top of the connecting arm (82), the scale (103) is slidably connected with the fixed ring (101), a vernier (104) is slidably connected to the scale (103), the vernier (104) is provided with an indicating slot, and the vernier (104) is in contact with the fixed ring (101).

5. The detection device for new energy vehicle charging pile according to claim 4, characterized in that: Also include sand dust mechanism (11), the sand dust mechanism (11) is established on the charging pile tester (2), the sand dust mechanism (11) includes support shell (111), support shell (111) is fixedly connected on the charging pile tester (2), support shell (111) is equipped with storage bin, support shell (111) bottom is equipped with two discharge ports, the charging pile tester (2) is fixedly connected with guide rod (112), guide rod (112) is slidably connected with sliding frame (113), the top of sliding frame (113) is rack structure, sliding frame (113) and the charging pile tester (2) are connected with pressure spring (114), support shell (111) is rotatably connected with feeder (115), feeder (115) is opened with a plurality of grooves, one end of feeder (115) is fixedly connected with overrunning clutch (116), the outer ring of overrunning clutch (116) is fixedly connected with gear (117), gear (117) and the rack structure of sliding frame (113) are engaged.

6. The detection device for new energy vehicle charging pile according to claim 5, characterized in that: Also include blowing assembly (12), the blowing assembly (12) is established on the second electric push rod (81), the blowing assembly (12) includes piston cylinder (121), piston cylinder (121) is fixedly connected at the bottom of second electric push rod (81), piston cylinder (121) is slidably connected with piston rod (122) fixedly connected with connecting arm (82) in, piston rod (122) is hollow structure, the end, away from piston rod (122) of piston cylinder (121) is fixedly connected with gas storage (123), gas storage (123) top is equipped with passageway, piston rod (122) is installed with first check valve (124), gas storage (123) is installed with second check valve (125) on the side close to piston cylinder (121), piston cylinder (121) is slidably connected with valve rod (126), valve rod (126) and the passageway of gas storage (123) are slidably connected, valve rod (126) and gas storage (123) are connected with second tension spring (127), support shell (111) is fixedly connected with blowing head (129), blowing head (129) and the passageway of gas storage (123) are connected with connecting pipe (128), connecting pipe (128) is communicated with the inside of gas storage (123) through the passageway of gas storage (123).

7. The detection device for new energy vehicle charging pile according to claim 6, characterized in that: Also include machine shell (13).

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