Universal bicycle returning device for shared electric bicycles and bicycles
By designing shared electric vehicles and bicycle universal returning vehicle devices, the traditional device has the problem of small defaults and poor model compatibility, and achieves a more convenient process of taking the vehicle to pick up the car and stronger vehicle safety.
Patent Information
- Application Number
- CN202421131148.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The traditional return device has a small amount of space and a difference in ground height, resulting in a tilt of the lock pin, making it inconvenient for users to return and pick up the car, and it is difficult to be compatible with multiple vehicle models, increasing the risk of vehicle theft.
A shared electric vehicle and bicycle universal car repayment device is designed, including locking piles, front -wheel limit tanks, car repayment modules, and vehicle lock modules. The smoking process of returning and locking the car, and adapting to different vehicle models through modular design.
It has improved the convenience of users to take the car to pick up the car, reduce the risk of vehicle theft, and achieve the compatibility of the models of various vehicle models, and reduce the maintenance cost of the site.
Smart Images

Figure CN222394411U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of shared electric vehicles and bicycle return, and in particular relates to a universal return device for shared electric vehicles and bicycles. Background Art
[0002] Traditional vehicle return devices have very little clearance for insertion, and the uneven ground front and back causes the retracted locking pin to tilt, making it difficult to insert and remove the locking pin from the site mother pile. When the locking pin is not parallel to the mother pile, the surrounding gap is small and it is easy to get stuck, making it difficult to return the vehicle or there is a shortage of the vehicle, which makes it inconvenient for users to return and pick up the vehicle, reducing the user experience; if the operator wants to repair the site, the ground needs to be leveled again, which is extremely costly.
[0003] Secondly, traditional locking stations are difficult to be compatible with multiple models of vehicles, especially vehicles with different wheel diameters, such as shared electric motorcycles and public bicycles. If both are to operate at the same time, two systems are required, which cannot be compatible with each other.
[0004] In addition, many vehicle return stations lack mechanical limiting devices and vehicle fixing devices, and are unable to guide users to park their vehicles in a standardized and orderly manner, posing a great risk of vehicle theft. Utility Model Content
[0005] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a universal return device for shared electric vehicles and bicycles.
[0006] A universal return device for shared electric vehicles and bicycles, comprising: a locking post, a front wheel limit slot, a return sensing module and an on-board locking module; the on-board locking module is arranged on the front fork leg of the shared electric vehicle or bicycle;
[0007] The locking pile includes a locking pile mother pile, a car locking pile, a locking pile base plate and a transfer fixing bracket; the car locking pile is fixed on the locking pile mother pile, the locking pile mother pile is fixedly connected with the locking pile base plate and the transfer fixing bracket, and the transfer fixing bracket is fixed on the ground of the station; a cavity is provided on the locking pile, the interior of the cavity is in the shape of a groove, and the four sides of the groove gradually expand outward to play a guiding role; a locking rod is provided inside the cavity of the locking pile, and the upper and lower ends of the locking rod are fixed to the locking pile through bearings and bearing seats; the bearing The shaft is connected to the bearing seat, and the upper and lower bearings are respectively fixedly connected to the two ends of the car locking rod, and the upper and lower bearing seats are respectively fixedly connected to the upper side wall and the lower side wall of the cavity in the car locking pile. The car locking rod can roll in the axial direction, and the interaction force (friction force) between the car locking rod and the lock tongue is reduced when returning and picking up the car, so that returning and locking the car are smoother; a car returning sensing module is provided on the left wall or the right wall of the cavity in the car locking pile; the car locking rod is placed in the cavity set on the car locking pile, which also plays a role in protecting the car locking pile from being damaged;
[0008] The vehicle-mounted locking module includes a lock body, a locking confirmation module and a lock tongue; the fixed end of the lock tongue is connected to a telescopic structure arranged in the lock body, and the telescopic structure is electrically connected to the locking confirmation module; when the telescopic structure is retracted inward, the lock tongue is retracted into the lock body; when the telescopic structure is extended outward, the lock tongue is not retracted into the lock body, and the lock tongue and the lock body are stuck to form a closed ring, which is used to cover the locking rod; the installation height of the vehicle-mounted locking module is consistent with or close to the center height of the locking rod;
[0009] In order to prevent the vehicle from being too heavy, resulting in insufficient strength of the limit groove and being damaged, a limit groove reinforcement pipe is provided at the bottom of the front wheel limit groove to cope with vehicles with excessive weight; after the front wheel limit groove is fixedly connected to the limit groove reinforcement pipe, the front wheel limit groove is fixedly connected to the locking pile base plate; a limit groove installation groove is provided at the bottom of the front wheel limit groove, and the limit groove installation groove matches the protrusion on the surface of the locking pile base plate, making installation more convenient and positioning more convenient. When multiple locking piles need to be set at one site, it is only necessary to lengthen the locking pile base plate and repeatedly fix multiple locking piles and the front wheel limit groove;
[0010] A V-shaped cavity opening upward is provided on the front wheel limit groove; in the direction of the wheel entering, the cavity width of the front wheel limit groove becomes narrower and narrower;
[0011] The vehicle return sensing module is wirelessly connected to the lock confirmation module;
[0012] The vehicle return sensing module is used to communicate with the lock confirmation module to confirm whether the vehicle has been returned to its place;
[0013] The locking confirmation module is used to communicate with the vehicle return sensing module to confirm whether the vehicle is returned in place and control the telescopic structure to retract inward or extend outward;
[0014] The central control system is located inside the vehicle and is electrically connected to the lock confirmation module to control the lock confirmation module to confirm the return of the vehicle. The return sensing module does not need to be powered by the lock pile. The lock body and the central control system are both located inside the vehicle, eliminating the complicated wiring and other electronic equipment in traditional stations.
[0015] Preferably, a vehicle anti-slope baffle is provided at the front end position of the V-shaped cavity of the front wheel limit groove, and the vehicle anti-slope baffle is fixed on the two side walls of the front wheel limit groove and is higher than the groove surface of the front wheel limit groove by a set distance; it can prevent the vehicle from sliding backward when the ground is uneven and there is a slope, and the locking rod and the lock tongue are subjected to force for a long time.
[0016] Preferably, a limiting groove pile substrate fixing column is provided on the limiting groove reinforcement pipe, and the limiting groove pile substrate fixing column is fixedly connected to the locking pile substrate, and the limiting groove pile substrate fixing column supports and strengthens the limiting groove reinforcement pipe while fixing it.
[0017] Preferably, the groove in the cavity of the locking post has a surplus space above and below to cope with the changes in the horizontal height position and angle of the locking module on the vehicle due to ground subsidence.
[0018] Preferably, the locking pile is fixed to the locking pile mother pile by bolts, the locking pile mother pile is fixedly connected to the locking pile base plate and the transfer fixing bracket by bolts, and the transfer fixing bracket is further fixed to the ground of the station by bolts; after the front wheel limit groove and the limit groove reinforcement pipe are fixedly connected by bolts, the front wheel limit groove is fixedly connected to the locking pile base plate by bolts passing through the fixing hole provided on the locking pile base plate.
[0019] Preferably, the lock body is fixed in the protective lock shell, and the protective lock shell is fixed to the protective cover plate; the protective lock shell is embedded in the cavity on the car lock pile, and the protective cover plate is arranged on the back of the cavity on the car lock pile; the car lock pile is forged from stainless steel in one piece, and after treatment it can be used outdoors for a long time without rusting.
[0020] Preferably, the vehicle return sensing module includes a sensing chip and a coil.
[0021] Preferably, the vehicle-mounted locking module is fixed to the front fork leg of the shared electric vehicle or bicycle by means of fixing bolts passing through fixing holes provided on the protective cover, the lock body and the protective lock shell.
[0022] Preferably, inspection window covers are provided at the bottom and top of the locking pile mother pile, one end of the inspection window cover is hinged to the locking pile mother pile, and the other end of the inspection window cover is locked to the locking pile mother pile through a mechanical lock of the inspection window cover; the inspection window cover at the top is located at the connection between the locking pile mother pile and the locking car pile, and the inspection window cover is opposite to the cavity in the locking car pile.
[0023] The beneficial effects of the utility model are:
[0024] The utility model sets the locking rod inside the groove-shaped cavity of the locking post, which has stronger anti-destruction ability. The vehicle-mounted locking module is small in size and has a center of gravity inward, which reduces the impact of the weight of the vehicle-mounted locking module on the riding experience. The cavity of the locking post is in a groove shape, and the four sides of the groove gradually expand outward to play a guiding role; the locking rod can roll in the axial direction, which reduces the interaction force (friction force) between the locking rod and the lock tongue when returning and picking up the car, making the return and locking of the car smoother.
[0025] In the utility model, the locking rod is placed in the cavity set on the locking pile, which also protects the locking pile from being damaged; the limiting groove installation groove matches the protrusion set on the surface of the locking pile base plate, making installation more convenient and positioning more convenient. When a station needs to set up multiple locking piles, it is only necessary to lengthen the locking pile base plate and repeatedly fix multiple locking piles and the front wheel limiting groove; the return vehicle sensing module does not need to be powered by the locking pile, and the lock body and the central control system are both located inside the vehicle, eliminating the complicated lines and other electronic equipment in traditional stations; the setting of the limiting groove pile base plate fixing column supports and strengthens the limiting groove reinforcement pipe while fixing it; the groove in the cavity of the locking pile leaves a surplus space above and below to cope with the changes in the horizontal height position and angle of the locking module on the vehicle due to ground subsidence; the locking pile is forged from stainless steel in one piece, and after treatment, it can be used outdoors for a long time without rusting.
[0026] The utility model overcomes the defects that traditional bicycle locking devices are not compatible with public bicycles and shared electric motorcycles returning the bicycles at the same station, the tires are easily worn, and the locking pin and the ground pile insertion hole are easily misaligned; the entire locking pile adopts a modular lightweight design, occupies a smaller ground area of the station, has lower requirements for the flatness of the station ground, is more convenient to install and disassemble, and has low later maintenance costs; in the direction of wheel entry, the cavity width of the wheel limit block becomes narrower and narrower, and when the user pushes the car into the pile, the vehicle can be better guided to the innermost side of the V-shaped cavity of the wheel limit block, so that the on-board locking module is easier to insert into the locking pile locking rod, can adapt to vehicle tires of various sizes, and has stronger versatility. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a schematic diagram of a car lock rod with a bearing;
[0028] Figure 2 This is a schematic diagram of a car locking pile;
[0029] Figure 3 It is a subcomponent of the vehicle lock module Figure 1 ;
[0030] Figure 4 It is a subcomponent of the vehicle lock module Figure 2 ;
[0031] Figure 5 This is a schematic diagram of the bottom fixation of the lock pile;
[0032] Figure 6 It is a schematic diagram of the fixing device at the bottom of the front wheel limit groove;
[0033] Figure 7 This is a schematic diagram of the installation of the vehicle anti-slip pipe;
[0034] Figure 8 It is a top view of the front wheel limit slot;
[0035] Fig. 9 for Figure 8 Sectional view of section AA;
[0036] Fig.10 It is a schematic diagram of the installation groove of the front wheel limit slot;
[0037] Fig.11 Schematic diagram of the status when the shared electric vehicle is locked;
[0038] Fig.12 Schematic diagram of the bicycle when locked.
[0039] Explanation of the accompanying drawings: bicycle front fork 1, bicycle front wheel 2, locking pile mother pile 3, locking rod 4, return vehicle sensing module 5, front wheel limiting groove 8, vehicle-mounted locking module 10, shared electric vehicle small wheel diameter front fork 11, shared electric vehicle front wheel 12, return vehicle sensing area 13, lock body 14, lock tongue 15, fixing hole 16, locking confirmation module 17, locking pile 18, locking pile base plate 19, protective lock shell 20, protective cover plate 21, fixing bolt 22, bearing 23, bearing seat 24, inspection window cover plate 25, inspection window cover plate mechanical lock 26, adapter fixing bracket 27, limiting groove reinforcement tube 28, limiting groove pile base plate fixing column 29, vehicle anti-slip slope blocking tube 30, limiting groove installation groove 31. DETAILED DESCRIPTION
[0040] The utility model is further described below in conjunction with the embodiments. The description of the following embodiments is only used to help understand the utility model. It should be pointed out that for ordinary people in this technical field, the utility model can also be modified in some ways without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.
[0041] Example 1
[0042] like Figures 1 to 10 and Fig.12 As shown, a universal return device for shared bicycles is provided with a corresponding central control system, including: a lock pile, a front wheel limit groove 8, a return sensing module 5, and a vehicle-mounted locking module 10; the vehicle-mounted locking module 10 is fixed to the fork leg of the bicycle front fork 1 located at the front wheel 2 of the bicycle by a fixing bolt 22 passing through a fixing hole 16 provided on a protective cover plate 21, a lock body 14 and a protective lock shell 20; the return sensing module 5 includes a sensing chip and a coil;
[0043] The locking pile includes a locking pile mother pile 3, a locking car pile 18, a locking pile base plate 19 and a transfer fixing bracket 27; the locking car pile 18 is fixed to the locking pile mother pile 3 by bolts, the locking pile mother pile 3 is fixedly connected with the locking pile base plate 19 and the transfer fixing bracket 27 by bolts, and the transfer fixing bracket 27 is fixed to the ground of the station by bolts; a cavity is provided on the locking car pile 18, the interior of the cavity is in the shape of a groove, and the four sides of the groove gradually expand outward to play a guiding role; a locking car rod 4 is provided inside the cavity of the locking car pile 18, and the upper and lower ends of the locking car rod 4 are fixed to the locking car pile 18 by bearings 23 and bearing seats 24; the bearing 23 is axially connected to the bearing seat 24, and the upper and lower bearings 23 are respectively fixedly connected to the two ends of the car lock rod 4, and the upper and lower bearing seats 24 are respectively fixed to the upper side wall and the lower side wall of the cavity in the car lock pile 18. The car lock rod 4 can roll in the axial direction, and the interaction force (friction force) between the car lock rod and the lock tongue is reduced when returning and picking up the car, so that returning and locking the car are smoother; a return sensing module 5 is arranged on the left wall or the right wall of the cavity in the car lock pile 18; the car lock rod is placed in the cavity set on the car lock pile, which also plays a role in protecting the car lock pile from being damaged; the groove in the cavity of the car lock pile 18 has a surplus space above and below to cope with the changes in the horizontal height position and angle of the car lock module on the vehicle caused by ground settlement;
[0044] The vehicle-mounted locking module 10 includes a lock body 14, a locking confirmation module 17 and a lock tongue 15; the fixed end of the lock tongue 15 is connected to a telescopic structure arranged in the lock body 14, and the telescopic structure is electrically connected to the locking confirmation module 17; when the telescopic structure is retracted inwardly, the lock tongue 15 is retracted into the lock body 14; when the telescopic structure is extended outwardly, the lock tongue 15 is not retracted into the lock body 14, and the lock tongue 15 and the lock body 14 are stuck to form a closed loop, which is used to cover the locking rod 4; the installation height of the vehicle-mounted locking module 10 is consistent with or close to the center height of the locking rod 4; the lock body 14 is fixedly placed in a protective lock shell 20, and the protective lock shell 20 is fixed to a protective cover plate 21; the protective lock shell 20 is embedded in a cavity on the locking pile 18, and the protective cover plate 21 is arranged on the back of the cavity on the locking pile 18; the locking pile 18 is made of stainless steel forging in one piece, and after treatment, it can be used outdoors for a long time without rusting;
[0045] A limiting groove reinforcement tube 28 is provided at the bottom of the front wheel limiting groove 8. After the front wheel limiting groove 8 and the limiting groove reinforcement tube 28 are fixedly connected by bolts, the front wheel limiting groove 8 is fixedly connected to the locking pile base plate 19 after the bolts pass through the fixing holes 16 provided on the locking pile base plate 19; a limiting groove installation groove 31 is provided at the bottom of the front wheel limiting groove 8, and the limiting groove installation groove 31 matches the protrusion provided on the surface of the locking pile base plate 19, so that the installation is more convenient and the positioning is more convenient. When a site needs to set up multiple locking piles, it is only necessary to lengthen the locking pile base plate and repeatedly fix multiple locking piles and the front wheel limiting groove; a limiting groove pile base plate fixing column 29 is provided on the limiting groove reinforcement tube 28, and the limiting groove pile base plate fixing column 29 is fixedly connected to the locking pile base plate 19, and the limiting groove pile base plate fixing column supports and strengthens the limiting groove reinforcement tube while fixing it;
[0046] The front wheel limit groove 8 is provided with a V-shaped cavity opening upward; in the direction of the wheel entering, the cavity width of the front wheel limit groove 8 becomes narrower and narrower; a vehicle anti-slipping blocking tube 30 is provided at the front end of the V-shaped cavity of the front wheel limit groove 8, and the vehicle anti-slipping blocking tube 30 is fixed on the two side walls of the front wheel limit groove 8 and is higher than the groove surface of the front wheel limit groove 8 by a set distance;
[0047] The vehicle return sensing module 5 is wirelessly connected to the locking confirmation module 17;
[0048] The vehicle return sensing module 5 is used to communicate with the locking confirmation module 17 to confirm whether the vehicle has been returned to the correct position;
[0049] The locking confirmation module 17 is used to communicate with the vehicle return sensing module 5 to confirm whether the vehicle is returned in place and control the telescopic structure to retract inward or extend outward;
[0050] The central control system is located inside the vehicle and is electrically connected to the lock confirmation module 17 to control the lock confirmation module 17 to confirm that the vehicle has been returned to the vehicle. The vehicle return sensing module does not need to be powered by the lock pile. The lock body and the central control system are both located inside the vehicle, eliminating the complicated wiring and other electronic equipment in the traditional station.
[0051] Inspection window covers 25 are provided at the bottom and top of the locking pile mother pile 3. One end of the inspection window cover 25 is hinged to the locking pile mother pile 3, and the other end of the inspection window cover 25 is locked to the locking pile mother pile 3 through an inspection window cover mechanical lock 26; the inspection window cover 25 located at the top is located at the connection between the locking pile mother pile 3 and the locking car pile 18, and the inspection window cover 25 is opposite to the cavity in the locking car pile 18.
[0052] Example 2
[0053] On the basis of Example 1, Figures 1 to 11As shown, a universal return device for a shared electric vehicle is provided, wherein the vehicle locking module 10 is fixed to the fork leg of the small-wheel diameter front fork 11 of the public electric vehicle located at the front wheel 12 of the public electric vehicle by means of fixing bolts 22 passing through fixing holes 16 provided on the protective cover plate 21, the lock body 14 and the protective lock shell 20, and the remaining structure is the same as that of Example 1.
Claims
1. A universal return device for shared electric vehicles and bicycles, equipped with a corresponding central control system, characterized in that: include: A locking post, a front wheel limit groove (8), a vehicle return sensing module (5), and an on-board vehicle locking module (10); the on-board vehicle locking module (10) is arranged on the front fork leg of the shared electric vehicle or bicycle; The locking pile comprises a locking pile mother pile (3), a locking pile sub-pile (18), a locking pile base plate (19) and a transfer fixing bracket (27); the locking pile sub-pile (18) is fixed on the locking pile mother pile (3), the locking pile mother pile (3) is fixedly connected to the locking pile base plate (19) and the transfer fixing bracket (27), and the transfer fixing bracket (27) is further fixed on the ground of the station; a cavity is provided on the locking pile sub-pile (18), the interior of the cavity is in the shape of a groove, and the four sides of the groove gradually expand outward; a locking pile (18) is provided inside the cavity The locking rod (4) has upper and lower ends fixed to the locking post (18) via bearings (23) and bearing seats (24); the bearings (23) are axially connected to the bearing seats (24); the upper and lower bearings (23) are respectively fixedly connected to the two ends of the locking rod (4); the upper and lower bearing seats (24) are respectively fixedly connected to the upper side wall and the lower side wall of the cavity in the locking post (18); the locking rod (4) can roll in the axial direction; a return sensing module (5) is provided on the left side wall or the right side wall of the cavity in the locking post (18); The vehicle-mounted locking module (10) comprises a lock body (14), a locking confirmation module (17) and a lock tongue (15); a fixed end of the lock tongue (15) is connected to a telescopic structure provided in the lock body (14), and the telescopic structure is electrically connected to the locking confirmation module (17); when the telescopic structure is retracted inwards, the lock tongue (15) is retracted into the lock body (14); when the telescopic structure is extended outwards, the lock tongue (15) is not retracted into the lock body (14), and the lock tongue (15) and the lock body (14) are locked to form a closed loop, and the closed loop is used to cover the vehicle locking rod (4); the installation height of the vehicle-mounted locking module (10) is consistent with or close to the center height of the vehicle locking rod (4); A limit groove reinforcement tube (28) is provided at the bottom of the front wheel limit groove (8), and after the front wheel limit groove (8) and the limit groove reinforcement tube (28) are fixedly connected, the front wheel limit groove (8) is further fixedly connected to the pile locking base plate (19); a limit groove installation groove (31) is provided at the bottom of the front wheel limit groove (8), and the limit groove installation groove (31) matches a protrusion provided on the surface of the pile locking base plate (19); The front wheel limiting groove (8) is provided with a V-shaped cavity opening upward; in the direction in which the wheel moves in, the cavity width of the front wheel limiting groove (8) becomes narrower and narrower; The vehicle return sensing module (5) is wirelessly connected to the locking confirmation module (17); The vehicle return sensing module (5) is used to communicate with the locking confirmation module (17) to confirm whether the vehicle has been returned to its proper position; A locking confirmation module (17) is used to communicate with the vehicle return sensing module (5) to confirm whether the vehicle has been returned to its proper position and to control the telescopic structure to retract inwards or extend outwards; The central control system is located inside the vehicle and is electrically connected to the locking confirmation module (17) and is used to control the locking confirmation module (17) to perform vehicle return confirmation.
2. The universal return device for shared electric vehicles and bicycles according to claim 1, characterized in that: A vehicle anti-slipping retaining tube (30) is provided at the front end of the V-shaped cavity of the front wheel limiting groove (8). The vehicle anti-slipping retaining tube (30) is fixed to the two side walls of the front wheel limiting groove (8) and is higher than the groove surface of the front wheel limiting groove (8) by a set distance.
3. The universal return device for shared electric vehicles and bicycles according to claim 1, characterized in that: A limiting groove reinforcement pipe (28) is provided with a limiting groove pile base plate fixing column (29), and the limiting groove pile base plate fixing column (29) is fixedly connected to the locking pile base plate (19).
4. The universal return device for shared electric vehicles and bicycles according to claim 1, characterized in that: The groove in the cavity of the locking pole (18) has a surplus space above and below.
5. The universal return device for shared electric vehicles and bicycles according to claim 1, characterized in that: The locking pile (18) is fixed to the locking pile mother pile (3) by bolts, the locking pile mother pile (3) is fixedly connected to the locking pile base plate (19) and the transfer fixing bracket (27) by bolts, and the transfer fixing bracket (27) is further fixed to the ground of the station by bolts; after the front wheel limit groove (8) and the limit groove reinforcement pipe (28) are fixedly connected by bolts, the front wheel limit groove (8) is fixedly connected to the locking pile base plate (19) by bolts passing through the fixing holes (16) provided on the locking pile base plate (19).
6. The universal return device for shared electric vehicles and bicycles according to claim 1, characterized in that: The lock body (14) is fixedly placed in a protective lock shell (20), and the protective lock shell (20) is fixed to a protective cover plate (21); the protective lock shell (20) is embedded in a cavity on a car lock pile (18), and the protective cover plate (21) is arranged on the back of the cavity on the car lock pile (18); the car lock pile (18) is integrally forged from stainless steel.
7. The universal return device for shared electric vehicles and bicycles according to claim 1, characterized in that: The vehicle return sensing module (5) comprises a sensing chip and a coil.
8. The universal return device for shared electric vehicles and bicycles according to claim 1, characterized in that: The on-board locking module (10) is fixed to the front fork leg of the shared electric vehicle or bicycle by means of a fixing bolt (22) passing through a fixing hole (16) provided on the protective cover plate (21), the lock body (14) and the protective lock shell (20).
9. The universal return device for shared electric vehicles and bicycles according to claim 1, characterized in that: The bottom and top of the locking pile mother pile (3) are both provided with inspection window covers (25), one end of the inspection window cover (25) is hinged to the locking pile mother pile (3), and the other end of the inspection window cover (25) is locked to the locking pile mother pile (3) through an inspection window cover mechanical lock (26); the inspection window cover (25) located at the top is located at the connection between the locking pile mother pile (3) and the vehicle locking pile (18), and the inspection window cover (25) is directly opposite to the cavity in the vehicle locking pile (18).