CN113942803B - Telescopic mobile platform vehicle - Google Patents
Telescopic mobile platform vehicle Download PDFInfo
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- CN113942803B CN113942803B CN202111300780.8A CN202111300780A CN113942803B CN 113942803 B CN113942803 B CN 113942803B CN 202111300780 A CN202111300780 A CN 202111300780A CN 113942803 B CN113942803 B CN 113942803B
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- telescopic platform
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides a telescopic mobile station trolley which comprises a trolley body, a telescopic platform and a transmission device for driving the telescopic platform to perform telescopic movement, wherein the trolley body comprises a frame, the telescopic platform is suitable for performing telescopic movement along the length direction of the frame, when the telescopic platform is located at an extending position, the free end of the telescopic platform is suitable for being supported on a rail surface or the ground, and when the telescopic platform is located at a contracting position, the telescopic platform is stored at the bottom of the frame. The telescopic mobile station trolley can also carry out loading and unloading operation under the condition of no fixed platform, is simple and convenient to operate, does not need to manually build a loading channel, not only effectively improves loading and unloading efficiency and operation safety, but also saves time and labor; in addition, the telescopic platform is stored at the bottom of the frame when in a contracted state, so that the whole volume and occupied space of the station trolley can be reduced, the station trolley is convenient to transport, and the requirement of the station trolley on the use field is further reduced.
Description
Technical Field
The invention relates to the technical field of platform vehicles, in particular to a telescopic mobile station platform vehicle.
Background
Currently, when a rail yard uses a special transport vehicle (JSQ 5 type or the like) for transporting a minibus and a refrigerated vehicle, a large rail yard usually adopts various loading and unloading vehicles to be matched with a fixed platform for loading and unloading the minibus and the refrigerated vehicle. To meet the loading and unloading requirements of vehicles, the floor space of the fixed platform is usually large, and the manufacturing cost is also high. Therefore, for medium and small rail yards, a fixed platform is not usually provided, and the loading and unloading are performed by manually constructing a loading and unloading channel. However, the construction of the loading and unloading channel requires more personnel, is time-consuming and labor-consuming, and has low loading and unloading efficiency and poor operation safety.
Disclosure of Invention
The invention solves the problems that: how to improve the loading and unloading efficiency of the special transport vehicle without a fixed platform.
In order to solve the problems, the invention provides a telescopic mobile station trolley, which comprises a trolley, a telescopic platform and a transmission device for driving the telescopic platform to perform telescopic movement, wherein the trolley comprises a frame, the telescopic platform is suitable for performing telescopic movement along the length direction of the frame, when the telescopic platform is positioned at an extending position, the free end of the telescopic platform is suitable for being supported on a rail surface or the ground, and when the telescopic platform is positioned at a contracting position, the telescopic platform is stored at the bottom of the frame.
Optionally, the transmission device includes motor, drive gear and with drive rack that drive gear engaged with, drive rack is followed telescopic platform's length direction sets up telescopic platform is last, the motor is through the drive gear rotates in order to drive rack is followed telescopic platform's length direction removes, so that telescopic platform carries out telescopic motion.
Optionally, the transmission rack includes interconnect's first rack and second rack, first rack with the orthographic projection of second rack on the face of telescopic platform is located same straight line, just first rack is on a parallel with telescopic platform's length direction, the second rack is in telescopic platform's free end with rail face or when ground contact is in the level setting.
Optionally, two telescopic platforms, two transmission gears and two transmission racks are respectively arranged on the two telescopic platforms; the transmission device further comprises a driving wheel and a transmission shaft, the driving wheel is connected with the two transmission gears through the transmission shaft, the driving wheel is located between the two transmission gears, and the motor drives the driving wheel to rotate through driving so as to drive the transmission shaft and the two transmission gears to rotate.
Optionally, the telescopic platform includes platform body and first guiding mechanism, the both ends in the length direction of platform body are first end and second end respectively, the second end of platform body is suitable for when the telescopic platform is located the position of stretching out support rail face or subaerial, first guiding mechanism sets up the both ends in the width direction of platform body and is located the first end of platform body, just first guiding mechanism with frame sliding connection or roll connection.
Optionally, the telescopic mobile station trolley further comprises a guiding device, the flatcar further comprises a front axle assembly and a rear axle assembly, the guiding device is arranged on the front side of the front axle assembly and/or the rear side of the rear axle assembly, one end of the guiding device is rotatably connected with the frame, and the other end of the guiding device is suitable for rolling on the rail surface or the ground.
Optionally, the guider includes leading wheel assembly, support assembly and pneumatic cylinder, the one end of support assembly through the round pin axle with the frame rotates to be connected, the other end of support assembly through the leading wheel assembly with rail face or ground roll connection, the both ends of pneumatic cylinder respectively with the frame with the support assembly articulates.
Optionally, the telescopic mobile station trolley further comprises a supporting device, one end of the supporting device is rotatably connected with the telescopic platform, the other end of the supporting device is suitable for being supported on the rail surface or the ground when the telescopic platform is located at the extending position, and the supporting device is stored at the bottom of the telescopic platform when the telescopic platform is not in use.
Optionally, the supporting device comprises a supporting frame and a clamping iron, one end of the supporting frame is rotatably connected with the telescopic platform through a pin shaft, and the other end of the supporting frame is fixed on the rail surface through the clamping iron.
Optionally, the telescopic mobile station trolley further comprises a movable cab apron rotatably connected with the free end of the telescopic platform, and when the telescopic platform is located at the extending position, the telescopic platform and the walking surface of the movable cab apron are located on the same plane.
Compared with the prior art, the telescopic mobile station trolley can also carry out loading and unloading operation under the condition of no fixed platform, is simple and convenient to operate, does not need to manually build a loading channel, effectively improves loading and unloading efficiency and operation safety, and saves time and labor; in addition, the telescopic platform is stored at the bottom of the frame when in a contracted state, so that the whole volume and occupied space of the station trolley can be reduced, the station trolley is convenient to transport, and the requirement of the station trolley on the use field is further reduced.
Drawings
Fig. 1 is a schematic structural diagram of a telescopic mobile station trolley according to an embodiment of the present invention when the telescopic mobile station trolley performs loading and unloading operations;
fig. 2 is a schematic structural diagram of a retractable mobile station trolley in a retracted state according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a transmission device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a telescopic platform according to an embodiment of the present invention;
FIG. 5 is a schematic view of a telescopic platform according to another embodiment of the present invention;
FIG. 6 is a schematic top view of the telescoping platform of FIG. 4;
FIG. 7 is a schematic top view of a frame according to an embodiment of the present invention;
FIG. 8 is a schematic view of a flatcar according to an embodiment of the present invention;
FIG. 9 is a schematic view of a supporting device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a movable cab apron in an embodiment of the invention.
Reference numerals illustrate:
1. flatcar; 11. a coupler; 12. a frame; 121. a longitudinal beam; 122. a cross beam; 123. a clamping block; 13. A front axle assembly; 14. a rear axle assembly; 2. a telescoping platform; 21. a platform body; 211. a clamping groove; 22. A first guide mechanism; 23. a second guide mechanism; 24. a floor; 3. a transmission device; 31. a motor; 32. A transmission gear; 33. a drive rack; 331. a first rack; 332. a second rack; 34. a driving wheel; 35. a transmission shaft; 36. a bearing seat; 4. a guide device; 41. a guide wheel assembly; 42. a bracket assembly; 43. a hydraulic cylinder; 5. a support device; 51. a support frame; 52. clamping iron; 53. a diagonal support; 6. a movable cab apron; 61. a plate body; 62. a hinge structure; 63. an anti-slip floor; 64. a hand-held part; 80. an automobile transport vehicle; 90. and (5) a transported vehicle.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The Z-axis in the drawing represents the vertical direction, i.e., the up-down position, and the forward direction of the Z-axis (i.e., the arrow of the Z-axis points) represents the up direction, and the reverse direction of the Z-axis represents the down direction; the X-axis in the drawing represents the horizontal direction and is designated as the left-right position, and the forward direction of the X-axis represents the left side and the reverse direction of the X-axis represents the right side; the Y-axis in the drawings is shown in a front-to-rear position, with the forward direction of the Y-axis representing the front side and the reverse direction of the Y-axis representing the rear side; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis are meant to be illustrative only and not indicative or implying that the apparatus or component in question must be oriented, configured or operated in a particular orientation, and therefore should not be construed as limiting the invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides a telescopic mobile station trolley (hereinafter referred to as a station trolley), which includes a trolley 1, a telescopic platform 2, and a transmission device 3 for driving the telescopic platform 2 to perform telescopic movement, wherein the trolley 1 includes a frame 12, the telescopic platform 2 is adapted to perform telescopic movement along a length direction of the frame 12, when the telescopic platform 2 is located at an extended position, a free end of the telescopic platform 2 is adapted to be supported on a rail surface or the ground, and when the telescopic platform 2 is located at a retracted position, the telescopic platform 2 is received at a bottom of the frame 12. Wherein, the free end of the telescopic platform 2 refers to the end of the telescopic platform 2 which is not connected with the frame 12, and is also the rear end of the telescopic platform 2 (i.e. the end located at the reverse direction of the Y axis), and the front end of the telescopic platform 2 (i.e. the end located at the forward direction of the Y axis) is connected with the frame 12; the longitudinal direction of the frame 12 is referred to as the Y-axis direction in the drawing, and is also referred to as the front-rear direction, and the width direction of the frame 12 is referred to as the X-axis direction in the drawing, and is also referred to as the left-right direction.
Specifically, the transmission device 3 drives the telescopic platform 2 to perform telescopic movement in the front-rear direction, the telescopic movement of the telescopic platform 2 being relative to the flatcar 1. In the initial state, the entire telescopic platform 2 is accommodated in the bottom of the flatcar 1, as shown in fig. 2; the transmission device 3 drives the telescopic platform 2 to move backwards from the bottom of the flatcar 1 to the position when the front end of the telescopic platform 2 is connected with the rear end of the flatcar 1 and the rear end of the telescopic platform 2 is abutted against the ground or the rail surface, namely, the telescopic platform 2 is located at the extending position, the process is called extending movement of the telescopic platform 2, and conversely, when the transmission device 3 drives the telescopic platform 2 to move forwards from the extending position to the bottom of the flatcar 1, the process is called retracting movement of the telescopic platform 2, as shown in fig. 1. The upper end surfaces (namely the end surfaces in the Z-axis forward direction) of the flatcar 1 and the telescopic platform 2 are flat surfaces, when the telescopic platform 2 is positioned at the extending position, the telescopic platform 2 is obliquely arranged, the front end of the telescopic platform 2 is connected with the rear end of the frame 12, the rear end of the telescopic platform 2 (namely the free end of the telescopic platform 2) is supported on a rail surface or the ground, and at the moment, the flatcar 1 and the telescopic platform 2 are respectively used as a horizontal channel and a slope channel for loading and unloading operations. In the initial state, the platform vehicle is parked on the rail or the ground, and no loading and unloading operation is performed, and at this time, the platform vehicle is in a retracted state, and the telescopic platform 2 is accommodated at the bottom of the frame 12, as shown in fig. 2.
In this way, when the platform truck of the present invention is used for loading and unloading the transported vehicle 90, the platform truck is driven to a position corresponding to the car transporting truck 80 by remote control of the platform truck 1 or other modes, and the telescopic platform 2 is driven by the transmission device 3 to extend until the front end of the telescopic platform 2 is connected with the rear end of the frame 12, at this time, the telescopic platform 2 is located at the extending position, and the rear end of the telescopic platform 2 is supported on the rail surface or the ground, so that the telescopic platform 2 is obliquely arranged, and a slope channel is formed. When loading, the transported vehicle 90 runs onto the telescopic platform 2 from the rail or the ground, then runs onto the flatcar 1 from the telescopic platform 2, and finally runs into the automobile transport vehicle 80 from the flatcar 1, so that loading is completed, and when unloading, reverse operation is performed, so that loading and unloading operation can be performed under the condition that no fixed platform is available, the operation is simple and convenient, meanwhile, a loading channel is not required to be manually built, the loading and unloading efficiency and the operation safety are effectively improved, and time and labor are saved; in addition, the telescopic platform 2 is stored at the bottom of the frame 12 when in a contracted state, so that the whole volume and occupied space of the station trolley can be reduced, the station trolley is convenient to transport, and the requirement of the station trolley on a use field is further reduced.
Further, the flatcar 1 further comprises a front axle assembly 13 (described later), a rear axle assembly 14 (described later), a motor and a drive shaft, and the flatcar 1 can be controlled to move on rails or the ground by a remote control mode.
Optionally, as shown in connection with fig. 1 and 7, the flatcar 1 further comprises a coupler 11 arranged at the end of the frame 12, and the flatcar 1 is coupled to the car transporter 80 by the coupler 11. The automobile carrier 80 may be a train skin or a special carrier for a carrier vehicle. In this way, the connection between the flatcar 1 and the automobile carrier 80 is realized by adopting the mode of connecting the coupler 11, and the structure is simple and the operation is convenient.
Alternatively, as shown in fig. 1, 3 and 4, the transmission device 3 includes a motor 31, a transmission gear 32, and a transmission rack 33 meshed with the transmission rack 33, where the transmission rack 33 is disposed on the telescopic platform 2 along the length direction of the telescopic platform 2, and the motor 31 drives the transmission rack 33 to move along the length direction of the telescopic platform 2 by driving the transmission gear 32 to rotate, so as to make the telescopic platform 2 perform telescopic motion. When the telescopic platform 2 is horizontally placed, the telescopic platform 2 is located in the Y-axis direction in the figure and is also in the front-back direction, and when the telescopic platform 2 is located in the extending position, the telescopic platform 2 is obliquely arranged, at this time, the length direction of the telescopic platform 2 is referred to as the rear lower direction, and correspondingly, the width direction of the telescopic platform 2 is referred to as the X-axis direction in the figure and is also in the left-right direction.
Specifically, when one transmission rack 33 is disposed at the bottom of the telescopic platform 2, the transmission rack 33 is disposed at a middle position of the bottom of the telescopic platform 2 to balance the stress condition of the telescopic platform 2, and when two transmission racks 33 are disposed at the bottom of the telescopic platform 2, the two transmission racks 33 are disposed at the left and right sides of the telescopic platform 2 and at the bottom of the telescopic platform 2, respectively, to balance the stress condition of the telescopic platform 2. In the practical application process, the selection setting can be performed according to the needs, and the embodiment is not particularly limited.
In this way, the motor 31 is controlled to rotate forward and backward to drive the transmission gear 32 to rotate forward and backward, so as to drive the transmission rack 33 to perform telescopic movement along the front-rear direction, and the structure is simple and the operation is convenient.
Optionally, as shown in connection with fig. 4, the driving rack 33 includes a first rack 331 and a second rack 332 connected to each other, the orthographic projections of the first rack 331 and the second rack 332 on the plane of the telescopic platform 2 are located on the same straight line, and the first rack 331 is parallel to the length direction of the telescopic platform 2, and the second rack 332 is horizontally disposed when the free end of the telescopic platform 2 contacts the rail track surface or the ground.
Specifically, the second rack gear 332 and the first rack gear 331 are sequentially connected in the front-rear direction and form an obtuse angle, and orthographic projections of the first rack gear 331 and the second rack gear 332 on the plane of the telescopic platform 2 are located on the same straight line. When the telescopic platform 2 is positioned at the contraction position, the transmission gear 32 is meshed with the rear end of the first rack 331, the motor 31 rotates forward to drive the transmission gear 32 to rotate forward in the extending movement process of the telescopic platform 2, the transmission gear 32 is meshed with the first rack 331 first and drives the telescopic platform 2 to translate backward, in the process, the free end of the telescopic platform 2 moves horizontally backward all the time, when the transmission gear 32 is just meshed with the second rack 332 from the first rack 331, the free end of the telescopic platform 2 moves downwards to be abutted with a rail surface or the ground, the telescopic platform 2 is inclined, at the moment, the motor 31 continues to rotate forward, the transmission gear 32 is meshed with the second rack 332 and drives the free end of the telescopic platform 2 to translate backward along the rail surface or the ground until the front end of the telescopic platform 2 is connected with the rear end of the frame 12 of the flatcar 1, and the telescopic platform 2 extends to the position, and at the moment, the telescopic platform 2 is positioned at the extending position; when the telescopic platform 2 is contracted, the connection between the front end of the telescopic platform 2 and the rear end of the frame 12 is firstly released, then the motor 31 is started to rotate reversely to drive the transmission gear 32 to rotate reversely, the transmission gear 32 is meshed with the second rack 332 firstly, the free end of the telescopic platform 2 is driven to translate forwards along the rail surface or the ground, when the transmission gear 32 is just meshed with the first rack 331 from the second rack 332, the free end of the telescopic platform 2 moves upwards to leave the rail surface or the ground, the motor 31 continues to rotate reversely, the transmission gear 32 is meshed with the first rack 331, the telescopic platform 2 is driven to translate forwards until the telescopic platform is stored at the bottom of the frame 12, the telescopic platform 2 is contracted into position, and the telescopic platform 2 is positioned at the contracted position.
Like this, through setting up first rack 331 and second rack 332 to change the motion track of flexible platform 2 free end in flexible platform 2 carries out flexible motion in-process, thereby realize the construction of slope passageway and pack up, simple structure, convenient operation.
Alternatively, as shown in fig. 3, two telescopic platforms 2, two transmission gears 32 and two transmission racks 33 are provided, and the two transmission racks 33 are respectively provided on the two telescopic platforms 2; the transmission device 3 further comprises a driving wheel 34 and a transmission shaft 35, the driving wheel 34 is connected with the two transmission gears 32 through the transmission shaft 35, the driving wheel 34 is located between the two transmission gears 32, and the motor 31 drives the transmission shaft 35 and the two transmission gears 32 to rotate through driving the driving wheel 34 to rotate.
Because station platform truck only uses a flexible platform 2 to build the slope passageway, need design flexible platform 2 as a whole plate structure, the volume is great, and the consumptive material is more, and manufacturing cost is also higher. In this embodiment, there are two telescopic platforms 2, and correspondingly, there are two driving gears 32 and driving racks 33, and the two telescopic platforms 2 can respectively correspond to the positions of the wheels on the left and right sides of the transported vehicle 90 after being extended, so as to realize loading and unloading operations.
Therefore, the structure of the telescopic platform 2 can be simplified, materials of the telescopic platform 2 are saved, and the production cost of the telescopic platform 2 and the station trolley is further reduced; simultaneously, through setting up action wheel 34 and transmission shaft 35 to pass through action wheel 34 and transmission shaft 35 with the rotation motion of motor 31 and give two drive gear 32 simultaneously, and then drive two flexible platforms 2 and carry out flexible motion simultaneously, realized carrying out flexible motion by two flexible platforms 2 of simultaneous drive of a motor 31, reduced the use quantity of motor 31, simplified the structure of transmission 3, also further reduced the manufacturing cost of standing platform truck.
Further, the transmission device 3 further comprises bearing seats 36 arranged at the bottom of the frame 12, two bearing seats 36 are arranged, and two ends of the transmission shaft 35 are respectively fixed on the two bearing seats 36 through bearings. Therefore, the transmission shaft 35 is suspended at the bottom of the frame 12, so that the transmission device 3 can conveniently drive the telescopic platform 2 to perform telescopic motion at the bottom of the frame 12, and the occupied space of the station trolley is reduced.
Alternatively, as shown in conjunction with fig. 4 and 5, the telescopic platform 2 includes a platform body 21 and a first guide mechanism 22, two ends in the length direction of the platform body 21 are a first end and a second end, respectively, the second end of the platform body 21 is adapted to be supported on a rail surface or the ground when the telescopic platform 2 is located at the extended position, the first guide mechanism 22 is disposed at two ends in the width direction of the platform body 21 and located at the first end of the platform body 21, and the first guide mechanism 22 is slidably connected or rollably connected with the frame 12.
The length direction of the platform body 21 is also the length direction of the telescopic platform 2, namely the front-back direction, and the width direction of the platform body 21 is also the width direction of the telescopic platform 2, namely the left-right direction; the first end and the second end of the platform body 21 are also front and rear ends of the platform body 21, and here and hereinafter, the first end and the second end of the platform body 21 are respectively described as the front end and the rear end of the platform body 21. When the telescopic platform 2 is positioned at the extending position, the rear end of the platform body 21 is supported on the rail surface or the ground, the first guide mechanisms 22 are arranged at the left end and the right end of the platform body 21 and positioned at the front end of the platform body 21, when the first guide mechanisms 22 are of a sliding block structure, the first guide mechanisms 22 can slide on the frame 12 along the front-back direction so as to form sliding connection with the frame 12, and when the first guide mechanisms 22 are of a roller structure, the first guide mechanisms 22 can roll on the frame 12 along the front-back direction so as to form rolling connection with the frame 12.
In this way, the first guiding mechanism 22 is arranged to guide the telescopic platform 2 to perform telescopic movement, so that the telescopic platform 2 is prevented from deviating in the movement process; the first guiding mechanism 22 is slidably connected or rollably connected with the frame 12, so that frictional resistance of the telescopic platform 2 during telescopic movement is reduced, and the telescopic movement of the telescopic platform 2 is smoother.
Alternatively, as shown in connection with fig. 7 and 8, the frame 12 includes a side member 121 and a cross member 122, the side member 121 is in a channel structure and has a groove, and the notch of the groove faces the width direction of the frame 12, and the first guide mechanism 22 includes a first guide wheel located in the groove of the side member 121 and adapted to roll along the side member 121 in the groove.
In this embodiment, the frame 12 is in a frame structure, and includes at least two longitudinal beams 121 and a plurality of cross beams 122, the two longitudinal beams 121 are respectively disposed at the left and right ends of the frame 12, the longitudinal beams 121 are in a channel steel structure, and the cross beams 122 are in a square tube structure. When the platform truck is provided with one telescopic platform 2, two longitudinal beams 121 are arranged, the notch of each longitudinal beam 121 is arranged oppositely, and first guide wheels on the left side and the right side of the telescopic platform 2 walk in the grooves of the longitudinal beams 121 along the front-back direction; when the platform truck sets up two telescopic platform 2, longeron 121 sets up to four, and the notch of two longerons 121 that are located the frame 12 left end sets up relatively, and the notch of two longerons 121 that are located the frame 12 right-hand member also sets up relatively, and the first leading wheel of telescopic platform 2 that is located the left side walks along fore-and-aft direction in the recess of two longerons 121 of frame 12 left end respectively, and the first leading wheel of telescopic platform 2 that is located the right side walks along fore-and-aft direction in the recess of two longerons 121 of frame 12 right-hand member respectively.
Thus, by setting the first guide mechanism 22 as the first guide wheel, the longitudinal beam 121 is set to the channel steel structure, so that the front end of the telescopic platform 2 can roll back and forth in the groove of the longitudinal beam 121, so that the telescopic platform 2 can perform telescopic movement in the front-back direction.
Alternatively, as shown in fig. 1, 2 and 4, a clamping groove 211 is formed at one end of the platform body 21, which is close to the first guiding mechanism 22, a clamping block 123 is formed at a corresponding position on the frame 12, the clamping block 123 is rotationally connected with the frame 12, and the clamping groove 211 and the clamping block 123 are clamped when the telescopic platform 2 is located at the extending position.
Like this, in the motion process is stretched out to flexible platform 2, when fixture block 123 card goes into draw-in groove 211, flexible platform 2 stretches out and is located the extension position, and when needing to pack up flexible platform 2, only need rotate fixture block 123 in order to break away from draw-in groove 211, just can start motor 31 drive flexible platform 2 and shrink the motion to accomplish the recovery of flexible platform 2.
Alternatively, as shown in connection with fig. 4 and 5, the telescopic platform 2 further comprises a second guiding mechanism 23 arranged at the second end of the platform body 21, the second guiding mechanism 23 being adapted to roll along the rail track surface or the ground, and the second end of the platform body 21 being supported on the rail track surface or the ground by the second guiding mechanism 23 when the telescopic platform 2 is in the extended position.
In this embodiment, the front end and the rear end of the platform body 21 are respectively provided with a first guide mechanism 22 and a second guide mechanism 23, and when the telescopic platform 2 performs telescopic motion, the front end of the telescopic platform 2 rolls back and forth in the groove of the longitudinal beam 121 through the first guide mechanism 22, and the rear end of the telescopic platform 2 rolls on the rail surface or the ground through the second guide mechanism 23 when the telescopic platform 2 is in an inclined state. Like this, can further guarantee through setting up second guiding mechanism 23 that telescopic platform 2 can stably carry out telescopic movement to make second guiding mechanism 23 roll along rail face or ground, with further reducing the frictional resistance between telescopic platform 2 rear end and rail face or the ground, make telescopic platform 2's telescopic movement more smooth and easy.
Optionally, as shown in connection with fig. 6, the telescopic platform 2 further comprises a floor 24 laid on the platform body 21, and a plurality of cleats are provided on the floor 24. In this way, the frictional resistance between the wheels of the transported vehicle 90 and the telescopic platform 2 is increased, and the safety in unloading the transported vehicle 90 is improved.
Optionally, as shown in connection with fig. 2, the telescopic mobile station trolley further comprises a guiding device 4, the flatcar 1 further comprises a front axle assembly 13 and a rear axle assembly 14, the guiding device 4 is arranged at the front side of the front axle assembly 13 and/or at the rear side of the rear axle assembly 14, one end of the guiding device 4 is rotatably connected with the frame 12, and the other end of the guiding device 4 is adapted to roll on a rail surface or the ground.
In the present embodiment, the guide devices 4 are provided at both left and right ends of the flatcar 1, and for the guide devices 4 at the left or right end of the flatcar 1, the guide devices 4 may be provided at the front side of the front axle assembly 13 and/or at the rear side of the rear axle assembly 14, and an example in which two guide devices 4 are provided at the left end of the flatcar 1 and two guide devices 4 are provided at the front side of the front axle assembly 13 and at the rear side of the rear axle assembly 14, respectively, is given in fig. 2. In this way, by providing the guide device 4 to prevent the flatcar 1 from deviating during the forward or backward movement, the safety of the flatcar 1 during the forward or backward movement is ensured.
Alternatively, as shown in fig. 2, the guiding device 4 includes a guiding wheel assembly 41, a bracket assembly 42 and a hydraulic cylinder 43, one end of the bracket assembly 42 is rotatably connected with the frame 12 through a pin shaft, the other end of the bracket assembly 42 is in rolling connection with a rail surface or the ground through the guiding wheel assembly 41, and two ends of the hydraulic cylinder 43 are respectively hinged with the frame 12 and the bracket assembly 42.
In this way, when the platform truck completes the loading and unloading operation, the guide device 4 can be rotated upward around the rotation connection point until being accommodated at the bottom of the frame 12 by the contraction movement of the hydraulic cylinder 43, and when the loading and unloading operation is required, the guide device 4 can be rotated downward around the rotation connection point until being in contact with the rail surface or the ground by the extension movement of the hydraulic cylinder 43, thereby assisting the flatcar 1 to walk on the rail surface or the ground.
Further, the frame 12 is provided with an oil cylinder seat, the bracket assembly 42 is provided with a hinge seat, and two ends of the hydraulic cylinder 43 are respectively hinged with the oil cylinder seat and the hinge seat through pin shafts, so that the structure is simple and easy to realize.
Optionally, as shown in connection with fig. 9, the telescopic mobile station trolley further comprises a supporting device 5, one end of the supporting device 5 is rotatably connected with the telescopic platform 2, the other end of the supporting device 5 is adapted to be supported on a rail surface or the ground when the telescopic platform 2 is in the extended position, and the supporting device 5 is received in the bottom of the telescopic platform 2 when not in use.
Since the length of the telescopic platform 2 is generally longer than the length of the transported vehicle 90, the telescopic platform 2 has a longer span in the length direction when in the extended position, and the telescopic platform 2 is easily deformed greatly when the transported vehicle 90 travels onto the telescopic platform 2. Therefore, in this embodiment, the supporting device 5 is provided to support the telescopic platform 2, so as to prevent the telescopic platform 2 from being broken due to large deformation, thereby improving the service life of the telescopic platform 2 and further improving the safety of the platform truck during loading and unloading operations.
Alternatively, as shown in fig. 9, the supporting device 5 includes a supporting frame 51 and a clip 52, one end of the supporting frame 51 is rotatably connected with the telescopic platform 2 through a pin shaft, and the other end of the supporting frame 51 is fixed on the rail surface through the clip 52.
Like this, the one end of strutting arrangement 5 is rotated with flexible platform 2 through the round pin axle to strutting arrangement 5 carries out upset folding action, and the other end of strutting arrangement 5 passes through cassette 52 card on the rail face, makes strutting arrangement 5 firmly fix on the rail, thereby provides stable support.
Further, the supporting means 5 is received in the bottom of the telescopic platform 2 when not in use. Thus, the whole volume and the occupied space of the station trolley after the station trolley is collected are further reduced.
Optionally, as shown in connection with fig. 9, the supporting device further comprises a diagonal brace 53, and two ends of the diagonal brace 53 are hinged to the telescopic platform 2 and the supporting frame 51, respectively. In this way, by providing the diagonal brace 53 such that the support device 5 forms a triangular support, the support is made more secure.
Optionally, as shown in fig. 1 and 2, the telescopic mobile station trolley further includes a movable cab apron 6 rotatably connected to the free end of the telescopic platform 2, and when the telescopic platform 2 is in the extended position, the running surfaces of the telescopic platform 2 and the movable cab apron 6 are located on the same plane. The walking surfaces of the telescopic platform 2 and the movable cab apron 6 are the end surfaces of the telescopic platform 2 and the movable cab apron 6, which are contacted with the wheels of the transported vehicle 90.
In this embodiment, the movable cab apron 6 is retracted by overturning the movable cab apron 6 to make the running surface of the movable cab apron 6 fit with the running surface of the telescopic platform 2, and the movable cab apron 6 is opened by overturning the movable cab apron 6 to make the running surface of the movable cab apron 6 and the running surface of the telescopic platform 2 lie on the same plane. Due to the arrangement of the second guiding mechanism 23, a certain drop exists between the rear end of the telescopic platform 2 and the rail surface or the ground. Therefore, in this embodiment, by providing the movable cab apron 6 and enabling the movable cab apron 6 to turn over and open to abut against the rail surface or the ground, the running surface of the movable cab apron 6 and the running surface of the telescopic platform 2 are located on the same plane, so that the transported vehicle 90 can smoothly run from the telescopic platform 2 to the rail surface or the ground, and the resistance when the transported vehicle 90 runs from the rail surface or the ground to the telescopic platform 2 can be reduced.
Alternatively, as shown in conjunction with fig. 10, the movable ferry plate 6 includes a plate body 61, a hinge structure 62, an anti-slip floor 63, and a hand-held portion 64, the hinge structure 62 is provided at both ends in the width direction of the plate body 61 and is located at the front end of the plate body 61, the plate body 61 is hinged with the platform body 21 of the telescopic platform 2 through the hinge structure 62, the anti-slip floor 63 is laid on the plate body 61, and the hand-held portion 64 is provided at both ends in the width direction of the plate body 61 and is located at the intermediate position of the plate body 61.
In this embodiment, the left and right ends of the plate body 61 are both provided with hinge structures 62, and the movable cab apron 6 is hinged to the rear end of the platform body 21 of the telescopic platform 2 through the hinge structures 62, so that the movable cab apron 6 is rotatably connected with the free end of the telescopic platform 2. The holding parts 64 are arranged at the left and right ends of the plate body 61 and are positioned at the middle position of the plate body 61, so that an operator can turn over the movable cab apron 6 to open or fold the movable cab apron 6 by holding the holding parts 64, and the movable cab apron 6 can be opened and retracted.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.
Claims (8)
1. The telescopic mobile station trolley is characterized by comprising a trolley (1), a telescopic platform (2) and a transmission device (3) for driving the telescopic platform (2) to perform telescopic movement, wherein the trolley (1) comprises a frame (12), the telescopic platform (2) is suitable for performing telescopic movement along the length direction of the frame (12), when the telescopic platform (2) is positioned at an extending position, the free end of the telescopic platform (2) is suitable for being supported on a rail surface or the ground, and the telescopic platform (2) is positioned at the bottom of the frame (12) when being positioned at a contracting position;
the transmission device (3) comprises a motor (31), a transmission gear (32) and a transmission rack (33) meshed with the transmission gear (32), the transmission rack (33) is arranged on the telescopic platform (2) along the length direction of the telescopic platform (2), and the motor (31) drives the transmission gear (32) to rotate so as to drive the transmission rack (33) to move along the length direction of the telescopic platform (2) to enable the telescopic platform (2) to perform telescopic motion;
the transmission rack (33) comprises a first rack (331) and a second rack (332) which are connected with each other, the orthographic projection of the first rack (331) and the second rack (332) on the surface of the telescopic platform (2) is positioned on the same straight line, the first rack (331) is parallel to the length direction of the telescopic platform (2), and the second rack (332) is horizontally arranged when the free end of the telescopic platform (2) is contacted with the rail surface or the ground.
2. Telescopic mobile station trolley according to claim 1, characterized in that the telescopic platform (2), the transmission gear (32) and the transmission rack (33) are provided in two, the two transmission racks (33) being provided on the two telescopic platforms (2) respectively; the transmission device (3) further comprises a driving wheel (34) and a transmission shaft (35), the driving wheel (34) is connected with the two transmission gears (32) through the transmission shaft (35), the driving wheel (34) is located between the two transmission gears (32), and the motor (31) drives the transmission shaft (35) and the two transmission gears (32) to rotate through driving the driving wheel (34).
3. Telescopic mobile station trolley according to claim 1, wherein the telescopic platform (2) comprises a platform body (21) and a first guiding mechanism (22), wherein the two ends in the length direction of the platform body (21) are a first end and a second end respectively, the second end of the platform body (21) is adapted to be supported on the rail surface or the ground when the telescopic platform (2) is in the extended position, the first guiding mechanism (22) is arranged at the two ends in the width direction of the platform body (21) and is located at the first end of the platform body (21), and the first guiding mechanism (22) is in sliding connection or rolling connection with the frame (12).
4. A telescopic mobile station trolley according to claim 3, wherein a clamping groove (211) is formed in one end, close to the first guiding mechanism (22), of the platform body (21), a clamping block (123) is arranged at a corresponding position on the frame (12), the clamping block (123) is rotationally connected with the frame (12), and the clamping groove (211) is clamped with the clamping block (123) when the telescopic platform (2) is located at an extending position.
5. Telescopic mobile station trolley according to claim 1, further comprising a guiding device (4), wherein the trolley (1) further comprises a front axle assembly (13) and a rear axle assembly (14), the guiding device (4) is arranged at the front side of the front axle assembly (13) and/or at the rear side of the rear axle assembly (14), and the guiding device (4) comprises a guiding wheel assembly (41), a bracket assembly (42) and a hydraulic cylinder (43), one end of the bracket assembly (42) is rotatably connected with the frame (12) through a pin shaft, the other end of the bracket assembly (42) is in rolling connection with the rail surface or the ground through the guiding wheel assembly (41), and two ends of the hydraulic cylinder (43) are hinged with the frame (12) and the bracket assembly (42) respectively.
6. Telescopic mobile station trolley according to claim 1, further comprising a support means (5), one end of the support means (5) being in rotational connection with the telescopic platform (2), the other end of the support means (5) being adapted to be supported on the rail surface or the ground when the telescopic platform (2) is in the extended position, and the support means (5) being received in the bottom of the telescopic platform (2) when not in use.
7. The telescopic mobile station trolley according to claim 6, wherein the supporting device (5) comprises a supporting frame (51) and a clip (52), one end of the supporting frame (51) is rotatably connected with the telescopic platform (2) through a pin shaft, and the other end of the supporting frame (51) is fixed on the rail surface through the clip (52).
8. The telescopic mobile station trolley according to claim 1, further comprising a movable cab apron (6) rotatably connected to a free end of the telescopic platform (2), wherein the walking surfaces of the telescopic platform (2) and the movable cab apron (6) are located on the same plane when the telescopic platform (2) is in the extended position.
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| CN202111300780.8A CN113942803B (en) | 2021-11-04 | 2021-11-04 | Telescopic mobile platform vehicle |
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| CN202111300780.8A CN113942803B (en) | 2021-11-04 | 2021-11-04 | Telescopic mobile platform vehicle |
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| CN113942803B true CN113942803B (en) | 2023-08-29 |
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| CN116040364B (en) * | 2023-01-09 | 2023-08-11 | 中国人民解放军陆军工程大学 | Unmanned rapid loading and unloading platform and operation method |
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| CN109318921A (en) * | 2018-11-21 | 2019-02-12 | 中车哈尔滨车辆有限公司 | Multifunction station trolley and loading method |
| CN110342287A (en) * | 2019-08-09 | 2019-10-18 | 上海佰德行物流设施***工程有限公司 | Three pieces are stretched attachment strap formula loading/unloading platform |
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| DE19630359A1 (en) * | 1996-07-26 | 1998-01-29 | Blomenroehr Fahrzeugbau Gmbh | Mobile end loading ramp for railway wagon |
| GB2496989A (en) * | 2011-11-23 | 2013-05-29 | Antony James | Telescopic ramp for loading and unloading vehicles |
| CN103587543A (en) * | 2012-08-14 | 2014-02-19 | 维尔费尔德·雪夫 | Transport and loading system for rail-based vehicles |
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| CN113942803A (en) | 2022-01-18 |
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