CN217050787U - Car locking device for car loading system - Google Patents
Car locking device for car loading system Download PDFInfo
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- CN217050787U CN217050787U CN202220240866.XU CN202220240866U CN217050787U CN 217050787 U CN217050787 U CN 217050787U CN 202220240866 U CN202220240866 U CN 202220240866U CN 217050787 U CN217050787 U CN 217050787U
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Abstract
The utility model relates to a car locking device for a loading system, which comprises a set of symmetrical supporting seats, wherein the supporting seats are respectively provided with corresponding movable seats in a longitudinal movable manner, and the movable seats are respectively driven by a movable driving mechanism arranged on the supporting seats; the telescopic limiting mechanisms are used for limiting and fixing the truck tire and respectively comprise bases fixedly arranged on the front side of the moving seat, corresponding telescopic rods are respectively installed on the bases in a transversely movable mode, and the telescopic rods are respectively driven by telescopic driving mechanisms arranged on the bases; and the electric controller is used for controlling the working processes of the moving driving mechanism and the telescopic driving mechanism. The utility model discloses can enough effectively prevent swift current car, perhaps the driver mistake drives in advance and drives away from, and can carry out accurate control to the parking position of freight train.
Description
Technical Field
The utility model relates to a loading system is with locking car device, its freight train that can effectively treat the loading leads the parking to can form under the spacing fixed prerequisite to the freight train, effectively drive the freight train to corresponding loading position on.
Background
At present, in order to ensure that the truck does not have accidents caused by unexpected sliding or driving away by a driver in advance by mistake in the loading process, a truck locking device for fixing the truck needs to be arranged at a loading platform. The existing car locking device is mostly operated manually, so that accidents caused by car sliding due to misoperation or driving away in advance due to wrong driving of a driver are easily caused; secondly, the locking device only possesses fixed limit function, can't carry out accurate location to the parking position of freight train, leads to the result of use of locking device relatively poor.
Consequently, design a section can enough prevent effectively that swift current car, perhaps the driver mistake from driving in advance and driving away from, and can carry out accurate control's loading system to the parking position of freight train with locking car device is the utility model discloses a research purpose.
Disclosure of Invention
To the technical problem that above-mentioned prior art exists, the utility model provides a loading system is with locking car device, this loading system is with locking car device can effectively solve the technical problem that above-mentioned prior art exists.
The technical scheme of the utility model is that:
a car locking device for a car loading system comprises
The device comprises a group of symmetrically arranged supporting seats, wherein corresponding moving seats are respectively arranged on the supporting seats in a longitudinally movable manner and are respectively driven by a moving driving mechanism arranged on the supporting seats;
the telescopic limiting mechanisms are used for limiting and fixing the truck tires and respectively comprise bases fixedly arranged on the front sides of the moving seats, corresponding telescopic rods can be respectively installed on the bases in a transversely moving mode, and the telescopic rods are respectively driven by telescopic driving mechanisms arranged on the bases;
and the electric controller is used for controlling the working processes of the moving driving mechanism and the telescopic driving mechanism.
The both sides of supporting seat are equipped with corresponding guide way respectively, the both sides of removing the seat respectively rotatable install with guide way looks adaptation supporting wheel, through the supporting wheel will with corresponding guide way cooperation remove but seat longitudinal movement installs on corresponding supporting seat.
The inboard of removing the seat is rotatable the corresponding guide roll of installing respectively, the front end of guide roll all is round platform form setting.
The supporting seat comprises a supporting plate two-end fixedly connected side supporting plate with an n-shaped cross section, corresponding guide holes are respectively formed in the rear side of the upper portion of the supporting plate, the rear end of the moving seat is fixedly connected with an installation lug plate extending to the lower side of each guide hole, the moving driving mechanism comprises a moving driving oil cylinder fixedly arranged at the bottom of the supporting plate, the cylinder body of the moving driving oil cylinder is fixedly connected to the side supporting plate located at the front end, and the piston rod of the moving driving oil cylinder is connected to the installation lug plate.
The inboard fixing device respectively of base has corresponding fixed guide, respectively fixing device has corresponding fixed cover on the base in the fixed guide outside, but the telescopic link lateral shifting installs in corresponding fixed cover respectively, the both ends of telescopic link extend to respectively the outside of fixed cover, just the lower part of telescopic link with the rigid coupling has a corresponding guide block on the corresponding position of fixed guide, the inboard lower part of fixed cover with be equipped with on the corresponding position of guide block with the open slot of guide block looks adaptation, flexible actuating mechanism drives when the inner of telescopic link is flexible to the inboard of base, the guide block removes to on the fixed guide and by fixed guide fixes, the fixed cover in outer end of telescopic link is located in the fixed cover.
The fixed guide is just by a set of parallel guide bar that is the interval and sets up and constitutes, one side that a set of guide bar is relative is inclined plane form indent respectively and is equipped with corresponding enhancement fixed slot, the upper portion width of guide block with interval between a set of guide bar is unanimous, just the lower part of guide block with strengthen on the corresponding position of fixed slot respectively outside the rigid coupling have with strengthen the wedge of fixed slot looks adaptation.
The inner side of the telescopic rod is rotatably provided with a corresponding rotary drum, and the rotary drum is made of engineering plastics.
The base is composed of a base plate and a mounting plate arranged on the upper side of the base plate, the base plate and the mounting plate are connected into a whole through corresponding connecting plates, and the fixed guide rail and the fixed sleeve are fixedly arranged on the mounting plate.
The middle part of the connecting plate is respectively provided with corresponding communicating holes, corresponding reinforcing rib plates are fixedly connected between the position of the connecting plate without the communicating holes and the base plate and the mounting plate respectively, the telescopic driving mechanism comprises a telescopic driving oil cylinder which penetrates through the communicating holes of the connecting plate, the cylinder body of the telescopic driving oil cylinder is fixedly connected to the bottom side of the outer end of the mounting plate, and the piston rod of the telescopic driving oil cylinder is fixedly connected to the inner end part of the telescopic rod through a corresponding connecting rod.
A corresponding aluminum profile frame is fixedly connected to the outer end part of the mounting plate outwards, an in-place extending sensor and an in-place resetting sensor are respectively fixed to the inner side and the outer side of the aluminum profile frame, and a sensor induction plate matched with the in-place extending sensor and the in-place resetting sensor is fixedly connected to the outer end part of the telescopic rod; a corresponding cushion ring is arranged on the telescopic rod on the inner side of the sensor induction plate and is made of rubber and plastic materials.
The utility model has the advantages that:
1) after the truck runs in place, the telescopic driving mechanism is started to drive the telescopic rod to extend out and be inserted to the front side of the tire of the truck; then, the movable driving mechanism is started to drive the movable seat, namely, the telescopic limiting mechanism arranged on the movable seat is driven to move, and the truck is effectively and accurately driven to a corresponding loading position under the driving of the telescopic rod to the truck tire. Therefore, the vehicle can be effectively prevented from sliding or a driver can drive away in advance by mistake, and the parking position of the truck can be accurately controlled.
2) The utility model discloses an inboard of removing the seat is rotatable respectively installs corresponding guide roll, and the front end of guide roll all is the round platform form setting, and the freight train backs a car and gets into the utility model discloses an in-process between the removal seat, accessible guide roll, especially the front end of guide roll, with the contact of freight train tire to produce the rotational friction with it, at the rotational friction in-process, effectively carry out the interior drive direction to the freight train tire, thereby form and rectify a deviation, in order to prevent that the freight train process of backing a car from striking to the utility model discloses an each part, in order further to ensure the utility model discloses a locking accurate nature.
3) The utility model discloses a fixing device has fixed guide and fixed cover on the base, forms the direction through fixed cover to the telescopic link and fixes to effectively cooperate with fixed guide through the intervention of rigid coupling in the guide block of telescopic link lower part, with form further fixed to the telescopic link. In the locking process, the inner end that actuating mechanism drove the telescopic link stretches out and draws back to the inboard of base to tire formation to the freight train blocks fixedly, at this moment, the guide block removes to fixed guide and fixes by fixed guide on, and the outer end of telescopic link is then fixed cover and locates in the fixed cover, thereby can effectively ensure that the telescopic link has sufficient support atress ability, and can ensure the telescopic link, and be used for installing the telescopic link, support and the structural stability of fixed each part. Thereby can effectively ensure the utility model discloses to the tire of freight train, have sufficient limiting displacement to the freight train promptly.
4) The utility model discloses a one side that a set of guide bar is relative is the inclined plane form indent respectively and is equipped with corresponding enhancement fixed slot, and the upper portion width of guide block is unanimous with the interval between a set of guide bar, and the lower part of guide block with strengthen respectively outside rigid coupling on the corresponding position of fixed slot have with strengthen the wedge of fixed slot looks adaptation. So, when the guide block removed to fixed guide and fixed by fixed guide on, the wedge can be gone into in corresponding enhancement fixed slot in step, through the setting of wedge, not only can further promote the fixed effect to the telescopic link, and can effectively with the atress slant dispersion to strengthen on the fixed slot to decompose into the atress on horizontal direction and the vertical direction, with effectively further promoting the utility model discloses a whole atress ability and overall structure stability.
5) The utility model discloses a corresponding rotary drum is rotatably installed to the inboard of telescopic link, the rotary drum is made by engineering plastics. Through the setting of rotary drum, can effectively be transformed into the fixed contact of telescopic link and truck tire and rotate the contact to can reduce the truck tire of the spacing in-process of locking to the mechanical injury of telescopic link, with effectively promoting the utility model discloses a practical function.
6) The utility model discloses a base is equipped with the mounting panel by the bed plate upside and constitutes, connects into wholly through corresponding connecting plate between bed plate and the mounting panel, and the middle part of connecting plate is equipped with corresponding intercommunicating pore respectively, and actuating mechanism's driving cylinder runs through and sets up between the intercommunicating pore of connecting plate. Thereby can effectively be compact structure and ensure the structural stability's of base basis on, realize the flexible drive to the telescopic link to effectively further promote the utility model discloses a practical function.
7) The utility model discloses a position that the backup pad was not equipped with the intercommunicating pore with the rigid coupling has corresponding deep floor respectively between bed plate, the mounting panel. Thereby can effectively further ensure on the basis of the fixed mounting that does not influence drive cylinder the utility model discloses a structural stability of base.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a barrier beam.
FIG. 3 is a schematic structural view of the movable base mounted on the supporting base.
Fig. 4 is a schematic structural view of the telescopic limiting mechanism.
Fig. 5 is a use state diagram of the telescopic limiting mechanism.
Fig. 6 is an exploded view of the components of the telescoping stop mechanism.
Fig. 7 is a schematic structural view of a guide block fixedly connected to the telescopic rod.
Fig. 8 is a schematic structural view of the pouch.
Fig. 9 is a usage state diagram of the present invention.
Detailed Description
To facilitate understanding for those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples, in which:
referring to fig. 1-9, a locking device for a loading system includes
The device comprises a group of symmetrically arranged supporting seats 1, wherein corresponding moving seats 2 are respectively arranged on the supporting seats 1 in a longitudinally movable manner, and the moving seats 2 are respectively driven by a moving driving mechanism 3 arranged on the supporting seats 1;
the set of telescopic limiting mechanisms 4 are used for limiting and fixing truck tires 5, the telescopic limiting mechanisms 4 respectively comprise bases 401 fixedly arranged on the front sides of the moving seats 2, corresponding telescopic rods 402 are respectively arranged on the bases 401 in a transversely movable mode, and the telescopic rods 402 are respectively driven by telescopic driving mechanisms 403 arranged on the bases 401;
the blocking beam 6 is installed between the rear sides of the moving seats 2 in a crossing mode, corresponding blocking blocks 7 are installed on two sides of the blocking beam 6 in an inclined mode respectively, and pressure sensors 8 which are in contact with the blocking blocks 7 are fixedly installed on the blocking beam on the inner sides of the blocking blocks 7 respectively;
the inlet guide mechanism comprises a fixed pile 901 fixedly arranged on the outer side of the front end of the supporting seat 1, the upper side of the fixed pile 901 is respectively and fixedly connected with a corresponding guide post 902 inwards in an arc shape, one end, which is not connected with the fixed pile 901, of the guide post 902 is integrally formed and is provided with a corresponding anti-deviation post 903 backwards, and one end, which is not connected with the guide post 902, of the anti-deviation post 903 is downwards folded and arranged and is fixedly arranged at the front end of the corresponding supporting seat 1;
the reversing indicator lamp mechanism comprises an indicator lamp fixing rod 10 and an indicator lamp 11 fixed on the upper part of the indicator lamp fixing rod 10, wherein the indicator lamp fixing rod 10 is fixed on the outer side of the supporting seat 1, and the indicator lamp 11 comprises a red lamp and a green lamp;
and the electric controller is used for controlling the working process of the moving driving mechanism 3 and the telescopic driving mechanism 403 and controlling the switch of the indicator light 11, and the pressure sensor 8 is connected to the electric controller.
A set of first photoelectric sensors 12 corresponding to each other is fixedly mounted on the upper portion of the fixing peg 901, and the first photoelectric sensors 12 are connected to the electric controller respectively.
A group of second opposite photoelectric sensors 13 corresponding to each other are respectively fixedly installed on the movable base 2, and the second opposite photoelectric sensors 13 are respectively connected to the electric controller.
Corresponding guide grooves 14 are respectively formed in two sides of the supporting seat 1, supporting wheels matched with the guide grooves 14 are rotatably mounted on two sides of the moving seat 2 respectively, and the moving seat 2 can be longitudinally movably mounted on the corresponding supporting seat 1 through the cooperation of the supporting wheels and the corresponding guide grooves 14.
The inboard of removing seat 2 is rotatable respectively to be installed corresponding guide roll 15, the front end of guide roll 15 all is round platform form setting.
The supporting seat 1 is composed of supporting plates 101 with n-shaped cross sections and fixedly connected with two side supporting plates 102, corresponding guide holes 16 are formed in the rear sides of the upper portions of the supporting plates 101 respectively, the rear ends of the moving seats 2 are fixedly connected with mounting lug plates 17 extending to the lower sides of the guide holes 16 downwards, the moving driving mechanism comprises a moving driving oil cylinder fixedly arranged at the bottom of the supporting plates 101, a cylinder body of the moving driving oil cylinder is fixedly connected to the side supporting plates 102 located at the front end, and a piston rod of the moving driving oil cylinder is connected to the mounting lug plates 17.
The inner sides of the bases 401 are respectively provided with corresponding fixed guide rails 18, the bases 401 at the outer sides of the fixed guide rails 18 are respectively provided with corresponding fixed sleeves 19, the telescopic rods 402 can be transversely movably installed in the corresponding fixing sleeves 19, two ends of the telescopic rods 402 extend to the outer sides of the fixing sleeves 19, and a corresponding guide block 20 is fixedly connected to the lower portion of the telescopic rod 402 at a position corresponding to the fixed guide rail 18, an open slot 1901 matched with the guide block 20 is arranged at the position corresponding to the guide block 20 at the lower part of the inner side of the fixed sleeve 19, when the telescopic driving mechanism 403 drives the inner end of the telescopic rod 402 to extend to the inner side of the base 401, the guide block 20 moves to the fixed guide rail 18 and is fixed by the fixed guide rail 18, and the outer end of the telescopic rod 402 is fixedly sleeved in the fixed sleeve 19.
Fixed rail 18 is by a set of parallel and be the guide bar that the interval set up and constitute, one side that a set of guide bar is relative is the inclined plane form indent respectively and is equipped with corresponding enhancement fixed slot 21, the upper portion width of guide block 20 with interval between a set of guide bar is unanimous, just the lower part of guide block 20 with strengthen on the corresponding position of fixed slot 21 respectively outside rigid coupling have with strengthen the wedge 22 of fixed slot 21 looks adaptation.
A corresponding drum 23 is rotatably mounted on the inside of the telescopic rod 402, and the drum 23 is made of engineering plastics.
The middle part of connecting plate 4013 is equipped with corresponding intercommunicating pore respectively, the connecting plate 4013 not be equipped with the position of intercommunicating pore with respectively the rigid coupling has corresponding deep floor 24 between bed plate 4011, the mounting panel 4012, flexible actuating mechanism 403 contains run through set up in flexible driving cylinder between the intercommunicating pore of connecting plate 4013, flexible driving cylinder's cylinder body fixed connection in the outer end bottom side of mounting panel 4012, flexible driving cylinder's piston rod is through corresponding connecting rod 25 fixed connection to the interior tip of telescopic link 402.
A corresponding aluminum profile frame 26 is fixedly connected to the outer end of the mounting plate 4012 outwards, a protrusion in-position sensor 27 and a reset in-position sensor 28 are respectively fixed to the inner side and the outer side of the aluminum profile frame 26, and a sensor induction plate 29 matched with the protrusion in-position sensor 27 and the reset in-position sensor 28 is fixedly connected to the outer end of the telescopic rod 402; the fixing device of the telescopic rod 402 inside the sensor sensing plate 29 is provided with a corresponding cushion ring 30, and the cushion ring 30 is made of rubber plastic material.
The use method of the car locking device for the loading system comprises the following specific steps:
s1: when the first photoelectric sensor 12 senses that a truck enters the position where the inlet guide mechanism is located, the electric controller controls the green light of the indicator light 10 to light up so as to remind a driver of further backing up;
s2: the second paired photoelectric sensors 13 sense that the truck enters, and after the truck moves to a position where the rear wheels of the truck abut against the blocking blocks 7 on the blocking cross beam 6, the pressure sensors 8 transmit signals to the electric controller, at the moment, the red light is turned on, and the truck stops running;
s3: the telescopic driving mechanism 403 is started to drive the telescopic rod 402 to extend out and be inserted to the front side of the tire 5 of the truck;
s4: the movable driving mechanism 3 is started to drive the movable seat 2, namely, the telescopic limiting mechanism 4 arranged on the movable seat 2 is driven to move, and the truck is effectively and accurately driven to a corresponding loading position under the driving of the telescopic rod 402 on the truck tire 5;
s5: the second pair of photoelectric sensors 13 identifies the position of the truck fixed by the telescopic rod 402 in real time, and when the truck is separated from the limit of the telescopic rod 402, the signal is transmitted to the electric controller, and then the electric controller controls the indicator light 10 to send out a signal prompt;
s6: after the truck loading is completed, the telescopic rod 402 and the movable seat 2 are respectively reset, and the truck can be started to drive away.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a loading system is with locking car device which characterized in that: comprises that
The device comprises a group of symmetrically arranged supporting seats (1), wherein corresponding moving seats (2) can be longitudinally and movably arranged on the supporting seats (1), and the moving seats (2) are driven by moving driving mechanisms (3) arranged on the supporting seats (1) respectively;
the telescopic limiting mechanisms (4) are used for limiting and fixing truck tires (5), each telescopic limiting mechanism (4) comprises a base (401) fixedly arranged on the front side of the corresponding movable base (2), corresponding telescopic rods (402) are respectively arranged on the bases (401) in a transversely movable mode, and the telescopic rods (402) are respectively driven by a telescopic driving mechanism (403) arranged on the bases (401);
and the electric controller is used for controlling the working processes of the moving driving mechanism (3) and the telescopic driving mechanism (403).
2. The car locking device for the car loading system according to claim 1, characterized in that: the both sides of supporting seat (1) are equipped with corresponding guide way (14) respectively, the both sides of removing seat (2) respectively rotatable install with guide way (14) looks adaptation supporting wheel, through the supporting wheel will with corresponding guide way (14) cooperation remove but seat (2) longitudinal movement and install on corresponding supporting seat (1).
3. The car locking device for the car loading system according to claim 1, characterized in that: the inboard of removing seat (2) is rotatable respectively to be installed corresponding guide roll (15), the front end of guide roll (15) all is round platform form setting.
4. The car locking device for the car loading system according to claim 1, characterized in that: supporting seat (1) comprises backup pad (101) both ends rigid coupling collateral branch backup pad (102) that the cross section is the n style of calligraphy, the upper portion rear side of backup pad (101) is equipped with corresponding guiding hole (16) respectively, the downward rigid coupling in rear end that removes seat (2) has and extends to installation otic placode (17) of guiding hole (16) downside, remove actuating mechanism (3) contain fixed set up in the removal actuating cylinder of backup pad (101) bottom, the cylinder body fixed connection who removes actuating cylinder is located collateral branch backup pad (102) of front end on, the piston rod that removes actuating cylinder is connected to install on otic placode (17).
5. The car locking device for the car loading system according to claim 1, characterized in that: the inner side of the base (401) is respectively provided with a corresponding fixed guide rail (18), the base (401) at the outer side of the fixed guide rail (18) is respectively provided with a corresponding fixed sleeve (19), the telescopic rod (402) can be respectively installed in the corresponding fixed sleeves (19) in a transverse moving manner, two ends of the telescopic rod (402) respectively extend to the outer side of the fixed sleeves (19), the lower part of the telescopic rod (402) is fixedly connected with a corresponding guide block (20) at a position corresponding to the fixed guide rail (18), the inner lower part of the fixed sleeve (19) is provided with an open slot (1901) corresponding to the guide block (20) at a position corresponding to the guide block (20), the telescopic driving mechanism (403) drives the inner end of the telescopic rod (402) to stretch to the inner side of the base (401), the guide block (20) moves to the fixed guide rail (18) and is fixed by the fixed guide rail (18), the outer end of the telescopic rod (402) is fixedly sleeved in the fixed sleeve (19).
6. The vehicle locking device for the loading system according to claim 5, wherein: fixed guide (18) are by a set of parallel and be the guide bar that the interval set up and constitute, one side that a set of guide bar is relative is the inclined plane form indent respectively and is equipped with corresponding enhancement fixed slot (21), the upper portion width of guide block (20) with interval between a set of guide bar is unanimous, just the lower part of guide block (20) with strengthen on the corresponding position in fixed slot (21) respectively outside the rigid coupling have with strengthen wedge (22) of fixed slot (21) looks adaptation.
7. The vehicle locking device for the loading system according to claim 6, wherein: a corresponding rotary drum (23) is rotatably arranged on the inner side of the telescopic rod (402), and the rotary drum (23) is made of engineering plastics.
8. The vehicle locking device for the loading system according to claim 7, wherein: base (401) are equipped with mounting panel (4012) by bed plate (4011) upside and constitute, connect into whole through corresponding connecting plate (4013) between bed plate (4011) and mounting panel (4012), fixed guide (18) and fixed cover (19) equal fixing device in on mounting panel (4012).
9. The car locking device for the car loading system according to claim 8, wherein: the middle part of connecting plate (4013) is equipped with corresponding intercommunicating pore respectively, connecting plate (4013) not be equipped with the position of intercommunicating pore with corresponding deep floor (24) are had to the rigid coupling respectively between bed plate (4011), mounting panel (4012), flexible actuating mechanism (403) contain run through set up in flexible driving cylinder between the intercommunicating pore of connecting plate (4013), flexible driving cylinder's cylinder body fixed connection in the outer end bottom side of mounting panel (4012), flexible driving cylinder's piston rod is through corresponding connecting rod (25) fixed connection to the interior tip of telescopic link (402).
10. The vehicle locking device for the loading system according to claim 9, wherein: a corresponding aluminum profile frame (26) is fixedly connected to the outer end portion of the mounting plate (4012) outwards, a stretching in-place sensor (27) and a resetting in-place sensor (28) are respectively arranged on the inner side and the outer side of the aluminum profile frame (26) in a fixing mode, and a sensor induction plate (29) matched with the stretching in-place sensor (27) and the resetting in-place sensor (28) is fixedly connected to the outer end portion of the telescopic rod (402); the fixing device of the telescopic rod (402) on the inner side of the sensor induction plate (29) is provided with a corresponding cushion ring (30), and the cushion ring (30) is made of rubber and plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220240866.XU CN217050787U (en) | 2022-01-28 | 2022-01-28 | Car locking device for car loading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220240866.XU CN217050787U (en) | 2022-01-28 | 2022-01-28 | Car locking device for car loading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217050787U true CN217050787U (en) | 2022-07-26 |
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ID=82485503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220240866.XU Active CN217050787U (en) | 2022-01-28 | 2022-01-28 | Car locking device for car loading system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217050787U (en) |
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2022
- 2022-01-28 CN CN202220240866.XU patent/CN217050787U/en active Active
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