Ground lock device of new energy charging station

Abstract

The utility model discloses a ground lock device of a new energy charging station, which relates to the technical field of ground locks of new energy charging stations and specifically comprises a ground box and a driving box mounted at one end of the ground box, a lifting box is slidably sleeved at the top of the ground box, and a driving unit for driving the lifting box to move up and down is mounted in the ground box; the driving unit is in transmission connection with a driving assembly installed in the driving box. The whole ground lock device is designed in a buried mode, the whole ground lock device is installed at the entrance of the front end of a parking space, the state of the ground lock can be checked conveniently, the driving assembly and the transmission mechanism are both hidden in the device, compared with a traditional ground lock, the device has the more effective violent forcible entry prevention effect, and in addition, the service life of the device is prolonged. According to the ground lock device, the worm gear and the worm are matched with the lead screw for transmission, vertical lifting of the lifting box body is achieved in a bidirectional push-pull driving mode, the safety and stability are far higher than those of a traditional ground electromagnetic ground lock, and the safety of the ground lock in the using period can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy charging station ground lock technical field, concretely is a new energy charging station ground lock device. BACKGROUND

[0002] The new energy charging station is a kind of shared new energy vehicle charging facilities of intelligent unmanned guard, in order to better manage each charging parking stall in charging station, avoid the emergence of fuel vehicles to occupy charging parking stall, and most new energy charging stations will install ground lock device (also called: parking stall lock) on parking stall currently, the parking stall lock used in new energy charging station on market, mainly ground installation conventional type intelligent electromagnetic T type lock or intelligent electromagnetic D type lock etc., this ground lock is installed in the middle of parking stall, and the support structure of the support baffle or baffle of these ground installations ground lock is directly exposed, it is easy to be destroyed by external force, and this ground lock is installed in the middle of parking stall, once electromagnetic locking mechanism fails, baffle rebounds and lifts, and driver is difficult to find ground lock anomaly, thus it is easy to cause great destructive to battery pack in the bottom of vehicle, light battery pack deformation, heavy battery pack may be damaged and appear to explode, with great security risk.

[0003] Therefore, we propose a new energy charging station ground lock device, the main body structure is installed in the front end ground of parking stall, not easy to be destroyed, and high safety. CONTENT OF UTILITY MODEL

[0004] In view of the deficiency of prior art, the utility model provides a new energy charging station ground lock device.

[0005] The utility model provides a new energy charging station ground lock device, including the ground box of being buried in the middle ground of the front end of parking stall, and the drive box of being installed at the one end of ground box, the lifting box is sleeved on the top of ground box and slides, and the drive unit for driving lifting box moves up and down is installed in the inside of ground box, the drive unit is connected with the drive assembly of drive box inside transmission, wherein, the drive assembly is composed of drive motor and worm gear reducer, the output shaft of drive motor is connected with the worm transmission of worm gear reducer, specifically, the drive unit includes drive rod, guide rod and two groups of push-pull link assembly A and a group of push-pull link assembly B, two groups of push-pull link assembly A are set same direction, and push-pull link assembly A and push-pull link assembly B are reversely set, the drive rod is horizontally arranged in the middle position of the inside of ground box, and both ends of drive rod are rotatably installed in the inside of both ends of ground box, one end of drive rod is connected with the worm center output shaft transmission of worm gear reducer, the guide rod is located at the bottom of drive rod, and both ends of guide rod are fixed in the inside of both ends of ground box, the drive rod and guide rod are parallel to each other, drive motor works, and drive rod is rotated by worm gear reducer.

[0006] The middle section of the drive rod corresponds to the position of the push-pull link assembly B and a group of push-pull link assemblies A adjacent to the push-pull link assembly B, each of which is provided with a section of screw thread column, and the screw threads on the two screw thread columns are reversely arranged, and the two groups of push-pull link assemblies A and the push-pull link assembly B are connected with the drive rod through a group of screw drive sliders respectively, the drive motor drives the drive rod to rotate through the worm reducer, and under the cooperation of the guide rod and the two screw thread columns with reversely arranged screw threads, the screw drive sliders sleeved on the two screw thread columns move synchronously towards opposite or opposite directions, thereby pushing the push-pull link assemblies A and the push-pull link assembly B reversely arranged to synchronously expand and contract, so that the lifting box realizes lifting and contraction.

[0007] Further, each group of the push-pull link assembly A includes two front push rods symmetrically arranged on both sides of the drive rod, the top end of each front push rod is hingedly connected with a front pull rod, and the hinged connection positions of the front push rods and the front pull rods symmetrically arranged on the same side of the two groups of push-pull link assemblies A are connected through a connecting rod, the two ends of the connecting rod are rotationally connected with the hinged connection positions of the front push rods and the front pull rods, so that the two groups of push-pull link assemblies A realize synchronous linkage through the connecting rod, and the inclination directions of the front push rods and the front pull rods are reversely designed. In order to ensure that the front push rods and the front pull rods can be smoothly unfolded and contracted, the included angle between the front push rods and the front pull rods after unfolding should be less than 175 degrees, and the included angle between the front push rods and the front pull rods after contraction should be greater than 45 degrees. The push-pull link assembly B includes two rear push rods symmetrically arranged on both sides of the drive rod, the top end of each rear push rod is hingedly connected with a rear pull rod, and the inclination directions of the rear pull rods and the front pull rods are opposite. The lengths of the rear pull rods and the front pull rods are the same, the lengths of the rear push rods and the front push rods are the same, and the included angle between the rear pull rods and the rear push rods is equal to the included angle between the front push rods and the front pull rods. The lengths and the corresponding included angles between the above-mentioned front and rear push rods and the front and rear pull rods are equal, and the main purpose is to ensure that the lifting box can smoothly move up and down under the driving of the driving unit, so as to realize the lifting and contraction of the barrier of the ground lock device.

[0008] Further, the ground box includes a base and an outer box mounted on the base, and the inner box for mounting the drive rod and the guide rod is arranged on the inner side of the outer box. The inner box and the outer box in the ground box and the base are treated with waterproof to avoid rainwater from seeping into the ground box from the bottom. An annular slot is formed between the outer walls of the outer box and the inner box, and a rain cover is welded on the top outer side of the outer box. The rain cover has a whole trapezoidal frustum structure. After the ground box is buried underground, the bottom of the rain cover is attached to the ground, and the rain cover and the ground are filled with asphalt. In this way, the top of the ground box is 4-5 cm higher than the ground, avoiding direct flooding of the slot by rainwater.

[0009] Further, in order to realize waterproof design of the ground box, the lifting box comprises an inner embedded box which is slidingly inserted into the inner side of the inner box, and a rainproof fence is arranged on the outer side of the inner embedded box, the height of the rainproof fence is half of the height of the inner embedded box, the main purpose of the design is to ensure that the lifting box and the ground box have sufficient sinking depth when the lifting box is lifted to the maximum stroke, and the stability of the insertion between the lifting box and the ground box is ensured, thereby the driving unit in the inner box is well protected.

[0010] Further, the rainproof fence is slidingly inserted into the insertion slot between the outer box and the inner box, and the lifting height of the lifting box is less than 0.5-1 cm of the height of the rainproof fence, so that the rainproof fence is always inserted into the insertion slot.

[0011] Further, in order to avoid movement obstruction between the lifting box and the driving rod when the lifting box moves up and down, the avoiding grooves are arranged at the positions corresponding to the driving rod at the middle positions of the two ends of the inner embedded box to avoid the driving rod and the guide rod.

[0012] Further, the top end of the lifting box is welded with a top cover, the edge of the top cover is inclined downward, and the top cover is coated with a reflective warning strip, and a two-dimensional code scanning area is further arranged at the top of the top cover, and the two-dimensional code arranged on the top cover is linked to the APP entrance of the conventional ground lock control in the new energy charging station.

[0013] Further, in order to effectively assemble and combine the two groups of push-pull link assembly A and the group of push-pull link assembly B with the ground box and the lifting box, the lower hinge seats for rotating and installing the front push rod and the rear push rod are fixed on the base at the bottom positions corresponding to the push-pull link assembly A and the push-pull link assembly B, and the upper hinge seats for rotating and installing the front pull rod and the rear pull rod are fixed on the inner side of the top end of the lifting box at the top positions corresponding to the push-pull link assembly A and the push-pull link assembly B, and the upper hinge seats and the lower hinge seats are arranged in an upper-lower position corresponding manner.

[0014] Further, the lead screw driving slider comprises a lead screw bearing and a positioning slider, the lead screw bearings in the two groups of lead screw driving sliders close to the two lead screw threaded columns are respectively sleeved on the lead screw threaded columns at the corresponding positions, the lead screw bearing in the group of lead screw driving sliders away from the lead screw threaded column is slidingly sleeved on the driving rod, the positioning sliders in the three groups of lead screw driving sliders are slidingly sleeved on the guide rods, and the limiters are arranged on the guide rods at the front and rear positions corresponding to each positioning slider, the movement of the lead screw driving slider is limited, one of the front and rear ends of one of the positioning sliders is provided with a limiting sensor which is electrically connected with the control unit of the driving motor, and the limiters are mainly arranged to limit the movement process of the lead screw driving slider, on the one hand, the lead screw driving slider can be prevented from being separated from the lead screw threaded column, and on the other hand, the lifting height of the lifting box can be adjusted by adjusting the position of the limiter.

[0015] Further, the screw shaft bearing in each of the screw drive sliders is fixedly connected with the positioning slider through a connecting arm, the positioning slider in the screw drive slider installed at the corresponding positions of the push-pull link assembly A and the push-pull link assembly B is rotatably connected with the front push rod and the rear push rod in the corresponding push-pull link assembly A and the push-pull link assembly B through a push-pull rod, and the push-pull rod is rotatably connected with the positioning slider, the front push rod and the rear push rod; when the driving rod rotates through the two screw threaded columns to cooperate with the guide rod, the screw drive sliders sleeved on the two screw threaded columns move synchronously in the opposite or opposite directions, so that the push-pull rod on the corresponding screw drive slider synchronously pushes the front push rod and the rear push rod, and the push-pull link assembly A and the push-pull link assembly synchronously perform the stretching or folding action, and finally the lifting and folding of the lifting box are realized.

[0016] Compared with the prior art, the utility model have the advantages that:

[0017] The utility model discloses a whole adopts the design of ground -buried, and the whole ground lock device installs in the position of the front end entrance of parking stall, and the driving assembly and transmission mechanism hide in the device interior, and compared with traditional ground lock, this device has more effective violent breaking effect of preventing, and the ground lock device whole is long strip design, and utilizes worm and worm gear cooperation screw drive inside, and realizes the vertical lifting of lifting box with two -way push -and -pull drive mode, and with the self -locking reverse effect of worm and worm gear, not only can effectively prevent the forced shrink problem of lifting box under the external force, simultaneously can also avoid the problem that lifting box appears self -lifting when the drive unit stops working, and the safety and stability are far higher than traditional ground electromagnetic ground lock, can effectively improve the safety during use of this ground lock. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the principles of the application. In the drawings:

[0019] Figure 1 It is a structure diagram of the utility model discloses a new energy charging station ground lock device Figure 1 ;

[0020] Figure 2 It is a structure diagram of the utility model discloses a new energy charging station ground lock device Figure 2 ;

[0021] Figure 3 It is a sectional structure diagram of the utility model discloses a new energy charging station ground lock device

[0022] Figure 4 It is a structure diagram of the utility model discloses a new energy charging station ground lock device Figure 3 in the local enlarged structure schematic view

[0023] Figure 5 It is a screw drive sliding block structure schematic view of the new energy charging station ground lock device of the utility model.

[0024] In the figure: 1, ground box; 101, base; 102, outer box; 103, inner box; 104, lower hinged seat; 2, drive box; 3, lifting box; 301, embedded box; 302, rainproof fence; 303, avoidance notch; 4, rain cover; 5, top cover; 501, upper hinged seat; 6, worm gear reducer; 7, drive motor; 8, drive rod; 9, guide rod; 10, front push rod; 11, rear push rod; 12, connecting rod; 13, front pull rod; 14, rear pull rod; 15, screw threaded column; 16, screw drive sliding block; 161, screw bearing; 162, positioning sliding block; 163, connecting arm; 17, limiter; 18, push-pull rod. DETAILED DESCRIPTION

[0025] The following will disclose a plurality of embodiments of the utility model with drawings, for the purpose of clear illustration, many details on the real object will be described in the following description. However, it should be understood that these details on the real object should not be used to limit the utility model. That is to say, in some embodiments of the utility model, these details on the real object are unnecessary. In addition, for the purpose of simplifying the drawing, some conventional structures and components will be drawn in a simple schematic way in the drawing.

[0026] Embodiment:

[0027] For the ground lock used in the new energy charging station on the market, the support structure supporting the support rod or the baffle in the ground lock is directly exposed outside during installation and use, which is easy to be damaged. Moreover, this ground lock is installed in the middle of the parking space. Once the electromagnetic locking mechanism fails, the support rod rebounds and rises, and the driver is difficult to find the abnormality of the ground lock. Therefore, the battery pack at the bottom of the vehicle is easily damaged, which may cause the battery pack to deform, or even cause the battery pack to break and explode, which has great safety hazards. Therefore, we propose a new energy charging station ground lock device, which is installed at the front end of the parking space and is not easy to be damaged, and has high safety, and the specific scheme is as follows:

[0028] As Figures 1-5As shown, the utility model provides a new energy charging station ground lock device, including the ground box 1 buried in the front end of the car parking space middle ground and the drive box 2 installed at one end of ground box 1, the ground box 1 top slidingly fits with the lifting box 3, the drive unit for driving the lifting box 3 up and down movement is installed in the ground box 1, the drive unit is transmission connection with the drive assembly installed in the drive box 2, wherein, the drive assembly is composed of drive motor 7 and worm gear reducer 6, the output shaft of drive motor 7 is transmission connection with the worm of worm gear reducer 6, specifically, the drive unit includes drive rod 8, guide rod 9 and two groups of push-pull link assembly A and a group of push-pull link assembly B, two groups of push-pull link assembly A are same direction setting, and push-pull link assembly A and push-pull link assembly B are reverse setting, the drive rod 8 is horizontally arranged in the middle position of the inner side of ground box 1, and both ends of drive rod 8 are rotatably installed in the inner side of both ends of ground box 1, one end of drive rod 8 is transmission connection with the worm center output shaft of worm gear reducer 6, the guide rod 9 is located at the bottom of drive rod 8, and both ends of guide rod 9 are fixed to the inner side of both ends of ground box 1, the drive rod 8 and guide rod 9 are parallel to each other, drive motor 7 works, and drive rod 8 is rotated by worm gear reducer 6.

[0029] The drive rod 8 middle segment corresponds to the position of push-pull link assembly B and a group of push-pull link assembly A adjacent to push-pull link assembly B, and each is provided with a screw thread column 15, and the screw threads on the two screw thread columns 15 are reversely arranged, and the two groups of push-pull link assembly A and push-pull link assembly B are connected with drive rod 8 through a group of screw drive sliders 16, drive motor 7 drives drive rod 8 to rotate through worm gear reducer 6, under the cooperation of guide rod 9 and two screw thread columns 15 with reversely arranged screw threads, the screw drive sliders 16 sleeved on the two screw thread columns 15 are synchronously moved to the opposite or opposite directions, so that push-pull link assembly A and push-pull link assembly B reversely arranged are synchronously stretched and contracted, so that the lifting box 3 is lifted and contracted.

[0030] Each of the push-pull link assemblies A includes two front push rods 10 symmetrically arranged on both sides of the drive rod 8, the top end of each front push rod 10 is hingedly connected with a front pull rod 13, and the hinged connection positions of the front push rods 10 and the front pull rods 13 symmetrically arranged in the two groups of push-pull link assemblies A are connected by a connecting rod 12, the two ends of the connecting rod 12 are rotatably connected with the hinged connection positions of the front push rods 10 and the front pull rods 13, so that the two groups of push-pull link assemblies A are synchronously connected through the connecting rod 12, and the inclination directions of the front push rods 10 and the front pull rods 13 are designed in opposite directions, in order to ensure that the front push rods 10 and the front pull rods 13 can be smoothly unfolded and folded, the included angle between the front push rods 10 and the front pull rods 13 after unfolding should be less than 175 degrees, and the included angle between the front push rods 10 and the front pull rods 13 after folding should be greater than 45 degrees, the push-pull link assemblies B include two rear push rods 11 symmetrically arranged on both sides of the drive rod 8, the top end of each rear push rod 11 is hingedly connected with a rear pull rod 14, the inclination direction of the rear pull rod 14 is opposite to that of the front pull rod 13, the length of the rear pull rod 14 is the same as that of the front pull rod 13, the length of the rear push rod 11 is the same as that of the front push rod 10, and the included angle between the rear pull rod 14 and the rear push rod 11 is equal to the included angle between the front push rod 10 and the front pull rod 13, the lengths and the corresponding included angles between the front and rear push rods 11 and the front and rear pull rods 14 are equal, and the main purpose is to ensure that the lifting box 3 can smoothly move up and down under the driving of the drive unit, so as to realize the lifting and folding of the barrier plate of the ground locking device.

[0031] The ground box 1 includes a base 101 and an outer box 102 mounted on the base 101, and an inner box 103 arranged inside the outer box 102 and used for mounting the drive rod 8 and the guide rod 9, wherein the inner box 103 and the outer box 102 of the ground box 1 and the base 101 are waterproof treated to avoid rainwater from seeping into the ground box 1 from the bottom, an annular slot is formed between the outer wall of the outer box 102 and the inner box 103, and a rain cover 4 is welded to the top outer side of the outer box 102, the rain cover 4 has a whole trapezoidal frustum structure, the bottom of the rain cover 4 is attached to the ground after the ground box 1 is buried underground, and the rain cover 4 and the ground are filled with asphalt to make the top of the ground box 1 4-5 cm higher than the ground, so as to avoid rainwater from directly flooding the slot.

[0032] In order to cooperate with the ground box 1 to realize waterproof design, the lifting box 3 includes an inner embedded box 301 slidably inserted into the inner side of the inner box 103, and a rainproof fence 302 is arranged on the outer side of the inner embedded box 301, the height of the rainproof fence 302 is half of the height of the inner embedded box 301, and the main purpose of the design is to ensure that the lifting box 3 and the ground box 1 have sufficient insertion depth after the lifting box 3 is lifted to the maximum stroke, so as to ensure the stability of the insertion between the lifting box 3 and the ground box 1, thereby providing good protection for the internal drive unit.

[0033] The rainproof fence 302 is slidingly inserted into the slot between the outer box 102 and the inner box 103, and the lifting height of the lifting box 3 is less than the height of the rainproof fence 302 by 0.5-1 cm, so that the rainproof fence 302 is always inserted into the slot.

[0034] In order to avoid the movement obstruction between the lifting box 3 and the driving rod 8 when the lifting box 3 moves up and down, the avoiding notches 303 are arranged at the positions corresponding to the driving rod 8 in the middle positions of the two ends of the inner embedded box 301.

[0035] The top end of the lifting box 3 is welded with the top cover 5, the edge of the top cover 5 is inclined downward, and the top cover 5 is coated with a reflective warning strip, and the top cover 5 is further provided with a two-dimensional code scanning area, and the two-dimensional code arranged on the top cover 5 is linked to the APP entrance of the conventional ground lock control in the new energy charging station.

[0036] In order to effectively assemble and combine the two groups of push-pull link assembly A and the group of push-pull link assembly B with the ground box 1 and the lifting box 3, the lower hinge seats 104 for rotating and installing the front push rod 10 and the rear push rod 11 are fixed on the base 101 at the bottom positions corresponding to the push-pull link assembly A and the push-pull link assembly B, and the upper hinge seats 501 for rotating and installing the front pull rod 13 and the rear pull rod 14 are fixed on the inner side of the top end of the lifting box 3 at the top positions corresponding to the push-pull link assembly A and the push-pull link assembly B; and the upper hinge seats 501 and the lower hinge seats 104 are arranged in an upper-lower position corresponding manner.

[0037] The lead screw driving slider 16 includes a lead screw bearing 161 and a positioning slider 162, the lead screw bearings 161 in the two groups of lead screw driving sliders 16 close to the two lead screw threaded columns 15 are respectively sleeved on the corresponding lead screw threaded columns 15, the lead screw bearing 161 in the group of lead screw driving sliders 16 away from the lead screw threaded column 15 is slidingly sleeved on the driving rod 8, the positioning sliders 162 in the three groups of lead screw driving sliders 16 are all slidingly sleeved on the guide rod 9, and the limit switches 17 are installed on the front and rear positions of the guide rod 9 corresponding to each positioning slider 162, and the movement of the lead screw driving slider 16 is limited, one limit sensor electrically connected with the control unit of the driving motor 7 is installed at each of the front and rear ends of one positioning slider 162, and the limit switch 17 is mainly arranged to limit the movement process of the lead screw driving slider 16, which can avoid the lead screw driving slider 16 from being separated from the lead screw threaded column 15, and can also adjust the lifting height of the lifting box 3 by adjusting the position of the limit switch 17.

[0038] The screw bearing 161 in each of the screw drive sliders 16 is fixedly connected between the positioning slider 162 through a connecting arm 163, the positioning slider 162 in the screw drive slider 16 installed in the corresponding position of the push-pull linkage assembly A and the push-pull linkage assembly B is connected between the front push rod 10 and the rear push rod 11 in the corresponding push-pull linkage assembly A and the push-pull linkage assembly B through a push-pull rod 18 on both sides, the push-pull rod 18 is rotationally connected between the positioning slider 162, the front push rod 10 and the rear push rod 11, when the drive rod 8 rotates through the two screw threaded columns 15 cooperating with the guide rod 9, the screw drive sliders 16 sleeved on the two screw threaded columns 15 are synchronously moved in the opposite or opposite directions, so that the push-pull rod 18 on the corresponding screw drive slider 16 synchronously pushes or pulls the front push rod 10 and the rear push rod 11, the push-pull linkage assembly A and the push-pull linkage assembly are synchronously stretched or contracted to realize the lifting and contraction of the lifting box 3.

[0039] The above merely describes the embodiments of the present application and is not intended to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A new energy charging station ground lock device, comprising a ground box (1) buried in the middle of the ground in front of the parking space, and a drive box (2) installed at one end of the ground box (1), characterized in that: The top of the ground box (1) is fitted with a lifting box (3), and the ground box (1) is equipped with a drive unit for driving the lifting box (3) to move up and down; the drive unit is connected to the drive assembly installed inside the drive box (2). The drive unit includes a drive rod (8), a guide rod (9), two sets of push-pull linkage assemblies A and one set of push-pull linkage assemblies B. The two sets of push-pull linkage assemblies A are arranged in the same direction, and the push-pull linkage assemblies A and B are arranged in opposite directions. The middle section of the drive rod (8) is provided with a screw thread column (15) at the position corresponding to the push-pull linkage assembly B and the set of push-pull linkage assemblies A adjacent to the push-pull linkage assembly B. The screw threads on the two screw thread columns (15) are arranged in opposite directions. The two sets of push-pull linkage assemblies A and the push-pull linkage assemblies B are connected to the drive rod (8) through a set of screw drive sliders (16).

2. The new energy charging station ground lock device according to claim 1, characterized in that: The drive assembly consists of a drive motor (7) and a worm gear reducer (6), and the output shaft of the drive motor (7) is connected to the worm gear reducer (6) via worm drive.

3. The new energy charging station ground lock device according to claim 1, characterized in that: The drive rod (8) is horizontally positioned in the middle of the inner side of the ground box (1), and both ends of the drive rod (8) are rotatably mounted on the inner sides of both ends of the ground box (1). One end of the drive rod (8) is connected to the worm wheel center output shaft of the worm gear reducer (6). The guide rod (9) is located at the bottom of the drive rod (8), and the two ends of the guide rod (9) are fixed to the inner sides of the two ends of the ground box (1). The drive rod (8) and the guide rod (9) are parallel to each other.

4. The new energy charging station ground lock device according to claim 1, characterized in that: Each push-pull linkage assembly A includes two front push rods (10) symmetrically arranged on both sides of the drive rod (8). Each front push rod (10) has a front pull rod (13) hinged to its top. The hinge joints of the front push rods (10) and the front pull rods (13) arranged on the same side in the two sets of push-pull linkage assemblies A are connected by a connecting rod (12). The two ends of the connecting rod (12) are rotatably engaged with the hinge joints of the front push rods (10) and the front pull rods (13). The inclination directions of the front push rods (10) and the front pull rods (13) are designed to be opposite.

5. The new energy charging station ground lock device according to claim 1, characterized in that: The push-pull linkage assembly B includes two symmetrically arranged rear push rods (11) on both sides of the drive rod (8). A rear pull rod (14) is hinged to the top of each of the two rear push rods (11). The rear pull rod (14) is in the opposite direction of inclination to the front pull rod (13). The rear pull rod (14) is the same length as the front pull rod (13). The rear push rod (11) is the same length as the front push rod (10). The included angle between the rear pull rod (14) and the rear push rod (11) is equal to the included angle between the front push rod (10) and the front pull rod (13).

6. The new energy charging station ground lock device according to claim 1, characterized in that: The base box (1) includes a base (101) and an outer box (102) installed on the base (101). The inner side of the outer box (102) is provided with an inner box (103) for installing the drive rod (8) and the guide rod (9). An annular slot is formed between the outer box (102) and the outer wall of the inner box (103). A rain cover (4) is welded to the outer side of the top of the outer box (102). The base (101) is fixed with a lower hinge seat (104) for rotating and installing the front push rod (10) and the rear push rod (11) at the bottom positions corresponding to the push-pull linkage assembly A and the push-pull linkage assembly B.

7. The new energy charging station ground lock device according to claim 1, characterized in that: The lifting box (3) includes an inner box (301) that is slidably inserted into the inner box (103). The outer side of the inner box (301) is provided with a rainproof enclosure (302). The height of the rainproof enclosure (302) is half the height of the inner box (301). Both ends of the inner box (301) are provided with clearance slots (303) corresponding to the position of the drive rod (8). The rainproof enclosure (302) is slidably inserted into the slot between the outer box (102) and the inner box (103). The top of the lifting box (3) is welded with a top cover (5), the edge of the top cover (5) is inclined downward and coated with reflective warning strips, and the top of the top cover (5) is provided with a QR code scanning area.

8. The new energy charging station ground lock device according to claim 7, characterized in that: The inner side of the top of the lifting box (3) is fixed with an upper hinge seat (501) for rotating and installing the front pull rod (13) and the rear pull rod (14) at the top positions of the push-pull linkage assembly A and the push-pull linkage assembly B; the upper hinge seat (501) and the lower hinge seat (104) are arranged in an upper and lower position corresponding to each other.

9. The new energy charging station ground lock device according to claim 1, characterized in that: The lead screw drive slider (16) includes a lead screw bearing (161) and a positioning slider (162). The lead screw bearings (161) in the two sets of lead screw drive sliders (16) close to the two lead screw thread posts (15) are respectively fitted on the lead screw thread posts (15) at the corresponding positions. The lead screw bearings (161) in the set of lead screw drive sliders (16) far away from the lead screw thread posts (15) are slidably fitted on the drive rod (8). The positioning sliders (162) in the three sets of lead screw drive sliders (16) are all slidably fitted on the guide rod (9). Limiters (17) are installed on the outside of the guide rod (9) at the front and rear positions of each positioning slider (162) to limit the movement of the lead screw drive slider (16). A limit sensor electrically connected to the control unit of the drive motor (7) is installed at each of the front and rear ends of one of the positioning sliders (162).

10. The new energy charging station ground lock device according to claim 9, characterized in that: In each set of lead screw drive sliders (16), the lead screw bearing (161) and the positioning slider (162) are fixedly connected by a connecting arm (163). The positioning slider (162) in the lead screw drive slider (16) installed at the corresponding positions of push-pull linkage assembly A and push-pull linkage assembly B is connected to the front push rod (10) and the rear push rod (11) in the corresponding push-pull linkage assembly A and push-pull linkage assembly B by a push-pull rod (18). The push-pull rod (18) is rotatably connected to the positioning slider (162), the front push rod (10) and the rear push rod (11).

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