CN210558056U - Horizontal railway wheel type movable automatic loading and unloading platform and hoisting mechanism thereof - Google Patents
Horizontal railway wheel type movable automatic loading and unloading platform and hoisting mechanism thereof Download PDFInfo
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- CN210558056U CN210558056U CN201921418712.XU CN201921418712U CN210558056U CN 210558056 U CN210558056 U CN 210558056U CN 201921418712 U CN201921418712 U CN 201921418712U CN 210558056 U CN210558056 U CN 210558056U
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Abstract
The utility model provides a horizontal railway wheel type movable automatic loading and unloading platform and a hoisting mechanism thereof, wherein the hoisting mechanism is responsible for pitching and facing up the front side platform and the rear side platform; the steel wire rope electric block is fixedly arranged on the side frame at the corresponding side of the frame body, the upper part of the vertical beam of the side frame above the side frame is fixedly provided with a first pulley wheel and a third pulley wheel in parallel, the upper part of the vertical beam at the other side of the side frame is fixedly provided with an eighth pulley wheel, and a fourth pulley wheel, a fifth pulley wheel, a sixth pulley wheel and a seventh pulley wheel are respectively and fixedly arranged below the middle platform in sequence; a second sliding wheel is arranged at the position, close to the front end, of the side platform corresponding to the electric hoist of the steel wire rope; the head of the steel wire rope is fixedly connected to the position, close to the front end, of the other side of the side platform, of the corresponding side symmetrical to the position of the second pulley wheel, the eighth pulley wheel and the first pulley wheel are sequentially arranged in a penetrating mode, and finally the steel wire rope is wound and connected to a winding drum of the steel wire rope electric block. The utility model discloses can realize the fast loading and unloading of commodity car, simple and easy and with low costs, convenient quick transition.
Description
Technical Field
The utility model belongs to railway logistics equipment field especially relates to a wheeled portable automatic handling platform of level type railway.
Background
Due to the globalization of economy, most of machinery manufacturing enterprises in China aim at the international market, with the steady increase of the export quantity of machinery, the development of logistics becomes a hot topic, and the design and manufacture of logistics equipment are also regarded as one of the most potential industries in the future.
In recent years, the railway logistics industry has been rapidly developed, and the demand for loading and unloading platforms (equipment for boarding bridges) is rapidly increased. The loading and unloading platform can be divided into a fixed type and a movable type, the fixed type has higher requirements on site conditions, larger occupied area and poor flexibility. The railway wheel type movable automatic loading and unloading platform can better solve the problems, but along with the diversification of market demands, the requirements on integration, combinability, occupation area reduction as much as possible during non-working and the like are further provided for the railway wheel type movable automatic loading and unloading platform.
SUMMERY OF THE UTILITY MODEL
In view of this, the applicant has proposed a plurality of technical solutions of a wheeled movable auto-dock platform of railway and the dedicated mechanism to which it belongs, the utility model discloses mainly protect wherein:
the hoisting mechanism is used for a horizontal railway wheel type movable automatic loading and unloading platform and comprises a steel wire rope electric hoist and a pulley wheel set consisting of a plurality of pulley wheels;
the steel wire rope electric block is fixedly arranged on the side frame at the corresponding side of the frame body, a first pulley wheel and a third pulley wheel are fixedly arranged on the upper part of a vertical beam of the side frame above the steel wire rope electric block in parallel, an eighth pulley wheel is fixedly arranged on the upper part of a vertical beam at the other side of the side frame, a fourth pulley wheel, a fifth pulley wheel, a sixth pulley wheel and a seventh pulley wheel are fixedly arranged below the middle platform in sequence respectively, the fourth pulley wheel is positioned between the third pulley wheel and the steel wire rope electric block, and the seventh pulley wheel is positioned below the eighth pulley wheel;
a second sliding wheel is arranged at the position, close to the front end, of the side, corresponding to the side where the steel wire rope electric block is located, of the side platform of the corresponding side, and the rotating axis of the second sliding wheel is parallel to the rotating axis of the first sliding wheel;
the head of the steel wire rope is fixedly connected to the position, close to the front end, of the other side of the side platform, of the corresponding side symmetrical to the position of the second pulley wheel, the eighth pulley wheel, the seventh pulley wheel, the sixth pulley wheel, the fifth pulley wheel, the fourth pulley wheel, the third pulley wheel, the second pulley wheel and the first pulley wheel sequentially penetrate through the steel wire rope, and finally the steel wire rope is wound and connected to a winding drum of the steel wire rope electric block.
Furthermore, the axes of the rotating shafts of the first, third and eighth sheave wheels are located on the same plane and are all parallel to the axis of the winding drum.
Furthermore, the wheel bodies of the fourth sheave, the fifth sheave, the sixth sheave and the seventh sheave are positioned on the same plane, and the axes of the rotating shafts are all vertical to the axes of the winding drums.
Further, the axes of the rotating shafts of the fifth sheave and the sixth sheave are higher than the axes of the rotating shafts of the fourth sheave and the seventh sheave.
Further, the steel wire rope electric block is PA999 in model.
Further, the steel wire rope electric hoist comprises a motor, a winding drum, a control box and a limiting power-off switch, wherein the end part of the free end of the limiting power-off switch is also provided with a touch plate; the steel wire rope electric hoist is integrally fixed on a side frame on one side of a frame body, a stroke limiting rod is welded and fixed at a corresponding side end of a side platform on the corresponding side, a vertical extension rod is further arranged on a corresponding side end of a middle platform in a sliding mode, a contact plate on the limiting power-off switch is attached to the bottom end of the extension rod, when the steel wire rope electric hoist is recovered, the side platform on the corresponding side is lifted to the maximum angle position in an upward mode, the corresponding position on the stroke limiting rod can press the top of the extension rod to enable the extension rod to slide downwards, the limiting power-off switch is pressed down, and therefore the control box is triggered to close the steel wire rope.
The utility model also provides a wheeled portable automatic handling platform of horizontal railway, include as above hoist mechanism.
The utility model discloses a hoist mechanism can bow, pitch the action with middle platform articulated shaft with front side platform, rear side platform respectively, and has automatic spacing disconnected fire function, and the structure is succinct and the security is higher.
The horizontal railway wheel type movable automatic loading and unloading platform can be matched with a slope type slope railway wheel type movable automatic loading and unloading platform, and can also be matched with a fixed boarding platform, so that the occupied space is saved; the device can be used for loading and unloading minicars, minivans, SUVs, MPVs, pick-up trucks and the like, and has the requirements of disassembling, loading and unloading operation. The device is matched with a JSQ6 type train carriage or a train flat plate of a railway shipment commercial car, the required height can be adjusted according to the heights of the upper layer and the lower layer of the carriage, the car can directly drive into the JSQ6 type train carriage for operation through the device, the commercial car can be rapidly assembled and disassembled, a large amount of labor of an enterprise is reduced, the working efficiency is improved, and greater economic benefits are obtained; the method is simple and low in cost, and has the characteristics of safety, flexibility, convenience in operation and transition and the like.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
figure 1 is a perspective view of a solution for a railway wheeled mobile robotic loading platform in use;
fig. 2 is a simple schematic view of the main viewing direction of the present solution;
fig. 3 is a simple schematic view in top view of the present solution;
fig. 4 is a simplified schematic view of the present solution from a front side perspective of the intermediate platform 20, with the front side platform 21 and the rear side platform 22 hidden;
fig. 5a and 5b are a schematic front view and a schematic side view of the wire rope electric block 31, respectively;
fig. 6a is a perspective view illustrating a state that the rail wheel and the rail are locked by the locking tool;
FIG. 6b is a schematic top view of the rail wheel locking tool;
fig. 7 is a perspective view of a road surface travel mechanism having a steering function.
FIG. 8 is a perspective view of a horizontal railroad wheeled mobile robotic loading platform;
FIG. 9 is a schematic front view of a horizontal railway wheeled mobile robotic loading platform;
FIG. 10 is a schematic view of another arrangement of sheave blocks and corresponding threading and routing structures of wire ropes;
FIG. 11 is a schematic view of a side platform pitch change condition;
fig. 12 is a schematic view showing a state in which the horizontal type railway wheel type movable automatic loading and unloading platform is used in cooperation with a slope type railway wheel type movable automatic loading and unloading platform;
fig. 13a and 13b are a front view and a top view of the overlapping structure of the corresponding side deck of two loading and unloading decks, respectively.
Detailed Description
The corresponding technical solutions of the railway wheeled mobile automatic loading and unloading platform proposed by the applicant and the corresponding special mechanisms and tools thereof will be described in detail below with reference to the attached drawings:
the railway wheeled mobile robotic loading platform proposed by the applicant is particularly suitable for loading and unloading goods, typically represented by low-chassis commercial cars, on railway lines with crossings.
Figure 1 is a perspective view of a solution for a railway wheeled mobile robotic loading platform in use;
901 shows the rails of a railway, 900 shows a crossing area, and the crossing area 900 provides a relatively flat area for commercial cars with lower chassis to pass through, and the railway wheeled mobile robotic loading platform of the present solution can form a passageway between the crossing area 900 and the entrance of a railway car for loading cars (such as a JSQ6 type railway car) to allow cars to pass through the crossing area and the passageway platform to drive into the car for loading or vice versa.
As shown in fig. 1 to 4, the slope type railway wheel type movable automatic loading and unloading platform of the scheme comprises a frame body, a channel platform, a hoisting mechanism, a track traveling mechanism and a road traveling mechanism, wherein,
the bicycle frame body comprises an underframe 10 positioned at the bottom and vertical side frames (11, 12) positioned at the left side and the right side, wherein the underframe 10 and the two side frames (11, 12) are welded by square steel; in the scheme, in order to strengthen the firmness of the frame body and ensure that the vertical height of the channel platform from the top end of the frame body is enough for a car to pass through, a top frame 13 is welded between the top ends of the two side frames;
the passage platform comprises a middle platform 20 positioned in the middle, and a front side platform 21 and a rear side platform 22 which are positioned in front of and behind the middle platform and hinged with the middle platform, wherein the front side end of the middle platform 20 is hinged with the rear side end of the front side platform (the hinged part is indicated as 210 in fig. 2), the rear side end of the middle platform 20 is hinged with the front side end of the rear side platform 22 (the hinged part is indicated as 220 in fig. 2), the left side end and the right side end of the middle platform 20 are respectively welded and fixed with the inner sides of the lower parts of the left side frame 11 and the right side frame 12 of the frame body, namely, a passage with a front side inlet and a rear side outlet is formed above the middle platform 20 by the left side frame 11 and;
the hoisting mechanism is responsible for respectively pitching and pitching the front side platform 21 and the rear side platform 22 around a hinge shaft hinged with the middle platform 20;
in the scheme, the front side platform 21 and the rear side platform 22 are respectively provided with a set of hoisting mechanisms, for example, the hoisting mechanism matched with the front side platform 21 comprises a steel wire rope electric block 31, a steel wire rope and a pulley wheel set consisting of a plurality of pulley wheels, wherein the steel wire rope electric block 31 can be of a model PA999, and fig. 5a and 5b are respectively a front view schematic diagram and a side view schematic diagram of the steel wire rope electric block 31, and comprise a motor 310, a winding drum 311, a control box 312 and a limiting power-off switch 313, and the free end part of the limiting power-off switch 313 is further provided with a touch plate 3130; the wire rope electric block is integrally fixed on the side frame on one side, as shown in the example of fig. 1, the wire rope electric block 31 is fixed on the left side frame 11, a stroke limiting rod 32 is welded and fixed on the corresponding side end of the front side platform 21, when the wire rope electric block 31 recovers the wire rope to raise the front side platform to the maximum angle position, the corresponding position on the stroke limiting rod 32 can press against the abutting plate 3130 on the limiting power-off switch 313, so as to trigger the control box to control the closing of the wire rope electric block 31;
still taking the hoisting mechanism matched with the front side platform as an example, in order to realize the synchronous control and driving of the pitching of the left side and the right side of the front side platform 21 through a steel wire rope electric hoist, the application provides an arrangement structure of a pulley wheel set and a corresponding threading and routing structure of a steel wire rope, as shown in fig. 1, the wire rope hoist 31 corresponding to the front side platform is fixedly mounted on the left side frame 11, the first sheave 331, the fourth sheave 334 and the third sheave 333 are respectively fixed on the upper part of the vertical beam of the left side frame 11 above the wire rope hoist 31 from bottom to top, the seventh sheave 337 and the eighth sheave 338 are respectively fixed on the upper part of the vertical beam of the right side frame 12 from bottom to top, a fifth sheave 335 and a sixth sheave 336 are fixedly mounted on the left and right parts of the front cross beam of the top frame 13, respectively, and a second sheave 332 is mounted on the left side of the front platform 21 near the front end; the rotation axes of the second sheave 332, the first sheave 331, the third sheave 333 and the eighth sheave 338 are parallel to the rotation axis of the winding drum (or the hinge axis of the front platform 21 and the middle platform 20), the rotation axes of the first sheave 331, the third sheave 333 and the eighth sheave 338 are located in the same vertical plane, and the rotation axes of the fourth sheave 334, the fifth sheave 335, the sixth sheave 336 and the seventh sheave 338 are located in the same vertical plane and are all perpendicular to the rotation axis of the winding drum (or the hinge axis of the front platform 21 and the middle platform 20); in addition, since the first sheave 331 is far away from the drum 311, in order to prevent other components between the first sheave 331 and the drum 311 from touching and interfering with each other and maintain tension and guidance of the wire rope, a tension sheave 330 is further disposed on the vertical beam of the left side frame 11 between the first sheave 331 and the drum 311; the position and angular disposition of the tension sheave 330 may be determined by the position of the spool;
the head of the steel wire rope 314 is fixedly connected to the position, close to the front end, on the right side of the front side platform 21, which is symmetrical to the position of the second pulley wheel 332, and is sequentially threaded through the eighth, seventh, sixth, fifth, fourth, third, second and first pulley wheels (338, 337, 336, 335, 334, 333, 332 and 331), and is wound and connected to the winding drum 311 after passing through the tensioning pulley wheel 330;
when the electric hoist 31 is powered on, the wire rope can be wound or unwound by the winding drum by pressing the corresponding control button, so that the front platform 21 is controlled to be lifted or pitched relative to the middle platform 20.
The rail running mechanism includes: four track wheels 4 which are arranged below the underframe of the frame body and matched with the track, after the track wheels 4 are contacted with the track 901, the track wheels can be used for the whole movable automatic loading and unloading platform of the track to move forwards and backwards and walk on the track to adjust the position, and after the adjustment is in place, the track wheels are required to be limited and locked relative to the track 408) The contact part between the rail wheel and the rail 901 is staggered in the opening 406, the lower surface of the bottom plate is attached to the rail, and the limiting arc plates on the two sides of the opening 406 provide limiting stop surfaces for the rail wheel, so that the whole movable automatic loading and unloading platform for the rail is fixed relative to the rail, and after goods are loaded and unloaded, the tool can be taken out through the handle to unlock the tool, which is very convenient.
The road surface running gear includes: the hydraulic pitching units are respectively positioned at four corners of the lower part of the frame body, as shown in fig. 1, fig. 2 and fig. 4, each hydraulic pitching unit comprises a pitching seat plate 501 and a hydraulic oil cylinder 502, a walking wheel 5 which is suitable for a road surface and adopts a pneumatic tire is installed below each pitching seat plate 501, the tail end of each pitching seat plate 501 is hinged with the lower part of the frame body, the tail end of a fixing part of each hydraulic oil cylinder 502 is hinged with the frame body, the top end of a telescopic rod is hinged with the upper surface of the top of each pitching seat plate 501, the four hydraulic oil cylinders 502 are synchronously controlled by the same hydraulic control unit (omitted in the figure), and the four hydraulic oil cylinders 502 synchronously extend and contract to drive the corresponding pitching seat plates 501 to perform;
specifically, when the extension rod 502 of the hydraulic cylinder 502 is in an extended state and reaches a certain extension degree, the height position of the road wheels 5 is lower than that of the track wheels 4 (see the state of figure 2), the whole railway wheel type movable automatic loading and unloading platform is supported by the four road wheels 5 and contacts with the road surface, the railway wheel type movable automatic loading and unloading platform can be moved on the road surface by using the travelling wheels, when the platform is moved to the position right above the rail, namely, when the four track wheels 4 are over against the two rails, the four hydraulic cylinders 502 are retracted synchronously, the walking wheels are lifted along with the pitching base plate 501, and correspondingly, the track wheels are lowered, finally, the track wheels 4 are in contact with the rails and bear load, the travelling wheels are thoroughly separated from the road surface and rise to a position where the travelling wheels do not influence the movement of the railway wheel type movable automatic loading and unloading platform on the rails; on the contrary, when a transition is needed, when the synchronous control hydraulic oil cylinder 502 extends out, the travelling wheels can be enabled to contact the ground and gradually lift the frame, so that the track wheels are enabled to be separated from the contact with the rails until the transition movement of the loading and unloading platform is not influenced.
The traveling wheels can adopt
The pneumatic tire is firm and durable, and ensures the operation safety.
In order to facilitate the transition movement of the railway wheel type movable automatic loading and unloading platform, as shown in fig. 7, the pitch base plates 501 of the two hydraulic pitch units on the same side (for example, on the left side of the frame) are rotatably connected with the bases 503 of the corresponding road wheels 5 through rotating shafts, preferably, in order to facilitate the adjustment of the rotating angle, the outer side of the base 503 is fixedly connected with a square steel piece 504 which extends outwards and has an opening at the end, and a square steel or round steel with a smaller caliber can be inserted into the opening of the square steel piece 504 to manually adjust the angle, so as to realize the steering; further, in order to keep the synchronous steering of the same-side traveling wheels 5, the two bases are respectively and rotatably connected with two ends of a synchronous connecting rod 505, and the axes of the two rotating connecting shafts are parallel to the axis of the rotating shaft between the pitching base plate 501 and the base 503.
As shown in fig. 1, an included angle exists between the upper surface of the middle platform of the railway wheel type movable automatic loading and unloading platform of the embodiment and the horizontal plane, the angle range of the included angle and the length of the middle platform can be designed in advance according to the needs of users, and the front side platform and the rear side platform are the same, and are not described herein again.
Preferably, as shown in fig. 1, 3 and 4, the channel platform is further provided with a punched antiskid plate 23 at a corresponding position on the upper surface thereof, and the punched antiskid plate is provided with antiskid holes, and the holes are hollowed out, so that the working reliability can be improved more effectively, and the accumulation of grease, dirt, rainwater and ice and snow can be prevented.
The applicant also provides a horizontal railway wheel type movable automatic loading and unloading platform which can be used in cooperation with the slope railway wheel type movable automatic loading and unloading platform and can also be used in cooperation with a fixed boarding platform, and the horizontal railway wheel type movable automatic loading and unloading platform comprises the following specific components:
as shown in fig. 8, the horizontal railway wheel type movable automatic loading and unloading platform also comprises a frame body, a passage platform, a hoisting mechanism, a track traveling mechanism and a road traveling mechanism, wherein,
the bicycle frame body comprises a bottom frame 10 ' positioned at the bottom and vertical side frames (11 ', 12 ') positioned at the left side and the right side, and the bottom frame 10 and the two side frames (11 ', 12 ') are welded by square steel;
the channel platform comprises a middle platform 20 ' positioned in the middle, and a front side platform 21 ' and a rear side platform 22 ' which are positioned in the front and the rear of the middle platform and hinged with the middle platform, wherein the front side end of the middle platform 20 ' is hinged with the rear side end of the front side platform, the rear side end of the middle platform 20 ' is hinged with the front side end of the rear side platform 22 ', the left and right side ends of the middle platform 20 ' are respectively welded and fixed with the inner sides of the middle lower parts of the left side frame 11 ' and the right side frame 12 ' of the frame body, namely, a channel with a front side inlet and a rear side outlet is formed above the middle platform 20 ' by the framework of the left side frame 11 ' and the right side frame 12;
in the scheme, the vertical distance between the channel platform and the top end of the frame body is smaller than that used for the road junction, so that the tops of the two side frames are open to ensure enough cars to pass through;
the hoisting mechanism is responsible for respectively bending down and bending up the front side platform 21 ' and the rear side platform 22 ' around a hinge shaft hinged with the middle platform 20 ';
in the scheme, the front side platform 21 'and the rear side platform 22' are also respectively provided with a set of hoisting mechanisms, each set of hoisting mechanism comprises a steel wire rope electric block 31, a steel wire rope and a pulley wheel set consisting of a plurality of pulley wheels, wherein the steel wire rope electric block 31 can adopt a model PA999, and can refer to fig. 5a and 5b, and comprises a motor 310, a winding drum 311, a control box 312 and a limiting power-off switch 313, and the free end part of the limiting power-off switch 313 is also provided with a butt plate 3130; the steel wire rope electric hoist is integrally fixed on the side frame on one side, as shown in fig. 9, the steel wire rope electric hoist 31 is fixed on the right side frame 12 ', the corresponding side end of the front side platform 21' is fixedly welded with a stroke limiting rod 32 ', because the position of the middle platform is relatively higher, the corresponding side end of the middle platform is also provided with a vertical extension rod 39 in a sliding manner, the bottom end of the extension rod 39 is attached to a contact plate 3130 on the limiting power-off switch 313, when the steel wire rope electric hoist 31 recovers the steel wire rope to raise the front side platform to the maximum angle position, the corresponding position on the stroke limiting rod 32' can press against the top of the extension rod 39 to enable the extension rod to slide downwards, and the limiting power-off switch 313 is pressed down, so that the control box 312 is triggered to close;
in order to avoid the routing above the intermediate platform, the present application provides another arrangement structure of the pulley wheel set and the corresponding threading routing structure of the steel cable, as shown in fig. 8 to 10, taking the rear side platform as an example, the steel wire rope electric hoist 31 corresponding to the rear side platform is fixedly installed on the side frame 11 ', the first pulley 331 ' and the third pulley 333 ' are fixed in parallel on the upper part of the vertical beam of the side frame 11 ' above the steel wire rope electric hoist 31, the eighth pulley 338 ' is fixed on the upper part of the vertical beam of the side frame 12 on the other side, a fourth sheave 334 ', a fifth sheave 335 ', a sixth sheave 336 ' and a seventh sheave 337 ' are fixedly mounted in sequence below the intermediate platform 20 ', the fourth sheave 334 'is positioned between the third sheave 333' and the wire rope electric block 31, and the seventh sheave 337 'is positioned below the eighth sheave 338'; the axes of the rotating shafts of the first, third and eighth pulley wheels (331 ', 333 ', 338 ') are positioned on the same plane and are parallel to the axis of the winding drum; the wheel bodies of the fourth sheave 334 ', the fifth sheave 335', the sixth sheave 336 'and the seventh sheave 337' are positioned on the same plane, and the axes of the rotating shafts are all perpendicular to the axes of the winding drums; preferably, the axes of the shafts of the fifth sheave 335 'and the sixth sheave 336' are higher than the axes of the shafts of the fourth sheave 334 'and the seventh sheave 337';
a second sliding wheel 332 'is arranged at the position, close to the front end, of the side, corresponding to the electric hoist of the steel wire rope, of the rear side platform, and the rotating axis of the second sliding wheel 332' is parallel to the rotating axis of the first sliding wheel 332;
the head of the steel wire rope 314 ' is fixedly connected to the position, close to the front end, of the other side of the rear side platform 22 ' which is symmetrical to the position of the second pulley wheel 332 ', and is sequentially penetrated through eighth, seventh, sixth, fifth, fourth, third, second and first pulley wheels (338 ', 337 ', 336 ', 335 ', 334 ', 333 ', 332 ', 331 '), and finally wound and connected to a winding drum of the steel wire rope electric hoist;
when the steel wire rope electric block 31 is powered on, the steel wire rope can be wound or unwound by the winding drum by pressing the corresponding control button, so that the rear side platform is controlled to be lifted or descended relative to the middle platform.
The road walking mechanism can refer to the above, and is not described in detail herein.
As shown in fig. 8, 9 and 11, the track traveling mechanism of the present embodiment is different from the slope type rail wheel type movable automatic loading and unloading platform, four track wheels matched with rails are installed at the bottom of the underframe of the frame body below the central platform 20 ', the front side platform 21' and the rear side platform 22 'are respectively provided with a concave frame 41, two ends of the bottom beam of the concave frame 41 are respectively fixed with a track wheel 4, the top ends of the vertical beams at two sides of the concave frame 41 are respectively hinged with the bottom surface of the side platform, the lower part of each side vertical beam is respectively hinged with one end of a cross rod 42, the other end of the cross rod 42 is hinged with the bottom end of a vertical rod 43, the top end of the vertical rod 43 is hinged with the lower surface at the corresponding side of the central platform 20', the central platform, the side platforms at the corresponding sides, the concave frames, the cross rods and the vertical rods are sequentially hinged, and the central platform, no matter the concave frame 41 is lifted upwards or downwards when the side platform or the loading and unloading platform moves integrally, the concave frame is constrained and cannot shake randomly, damage caused by collision is avoided, and when the track wheel 4 reaches a collision track, the vertical rod 43 is limited by the bottom frame in a propping mode or limited by a propping rod fixedly connected between the central platform and the bottom frame in a propping mode, and the side platform is guaranteed to be stable.
Each rail wheel in this scheme also can be by rail wheel locking frock latched position, and this department is no longer repeated.
The rear side platform of the horizontal railway wheel type movable automatic loading and unloading platform is connected with a carriage inlet of a train carriage for loading a car, and when the rear side platform is matched with the fixed boarding platform for use, the front side platform is connected with the fixed boarding platform, so that the repeated description is omitted.
The horizontal railway wheel type movable automatic loading and unloading platform can also be sold and used together with the slope railway wheel type movable automatic loading and unloading platform in a set to form a railway wheel type movable automatic loading and unloading platform system; the device can be used at railway crossings, and can also be used at the ends of railway lines or turnarounds.
Fig. 12 is a schematic diagram showing a state in which the horizontal railway wheel type movable automatic loading and unloading platform is used in cooperation with the slope railway wheel type movable automatic loading and unloading platform, as shown in the figure, the rear side platform of the horizontal railway wheel type movable automatic loading and unloading platform is connected with the compartment entrance of the train compartment for loading the automobile, the rear side platform 22 of the slope railway wheel type movable automatic loading and unloading platform and the front side platform 21 'of the horizontal railway wheel type movable automatic loading and unloading platform can be in a simple butt joint mode, as also shown in fig. 13a and 13b, a plurality of hitches 80 are fixedly arranged on the end side of the rear side platform 22 of the slope railway wheel type movable automatic loading and unloading platform, hasps 81 corresponding in number and position are fixedly arranged on the end side of the front side platform 21' of the horizontal railway wheel type movable automatic loading and unloading platform, and the hitches are in lap joint.
In addition, as shown in fig. 11, a positioning rod (61, 62) with a pin hole is fixed on the corresponding side of the side platform and the side frame, when the side platform is lifted to the pin hole alignment of the two positioning rods, a positioning pin can be inserted to lock the state of the side platform, so as to avoid shaking when moving.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The hoisting mechanism is used for a horizontal railway wheel type movable automatic loading and unloading platform and is characterized in that,
comprises a steel wire rope electric hoist and a pulley wheel group consisting of a plurality of pulley wheels;
the steel wire rope electric block is fixedly arranged on the side frame at the corresponding side of the frame body, a first pulley wheel and a third pulley wheel are fixedly arranged on the upper part of a vertical beam of the side frame above the steel wire rope electric block in parallel, an eighth pulley wheel is fixedly arranged on the upper part of a vertical beam at the other side of the side frame, a fourth pulley wheel, a fifth pulley wheel, a sixth pulley wheel and a seventh pulley wheel are fixedly arranged below the middle platform in sequence respectively, the fourth pulley wheel is positioned between the third pulley wheel and the steel wire rope electric block, and the seventh pulley wheel is positioned below the eighth pulley wheel;
a second sliding wheel is arranged at the position, close to the front end, of the side, corresponding to the side where the steel wire rope electric block is located, of the side platform of the corresponding side, and the rotating axis of the second sliding wheel is parallel to the rotating axis of the first sliding wheel;
the head of the steel wire rope is fixedly connected to the position, close to the front end, of the other side of the side platform, of the corresponding side symmetrical to the position of the second pulley wheel, the eighth pulley wheel, the seventh pulley wheel, the sixth pulley wheel, the fifth pulley wheel, the fourth pulley wheel, the third pulley wheel, the second pulley wheel and the first pulley wheel sequentially penetrate through the steel wire rope, and finally the steel wire rope is wound and connected to a winding drum of the steel wire rope electric block.
2. The winding mechanism of claim 1, wherein the axes of the first, third and eighth sheave shafts are located on the same plane and are parallel to the axis of the winding drum.
3. The hoisting mechanism as claimed in claim 1, wherein the fourth sheave, the fifth sheave, the sixth sheave and the seventh sheave are disposed on the same plane and the axis of the rotating shaft is perpendicular to the axis of the spool.
4. The winding mechanism of claim 1, wherein the axes of the fifth sheave and the sixth sheave are higher than the axes of the fourth sheave and the seventh sheave.
5. The hoisting mechanism of claim 1 wherein the wire rope hoist is of the type PA 999.
6. The hoisting mechanism according to claim 1, wherein the wire rope electric block comprises a motor, a winding drum, a control box and a limit power-off switch, and a contact plate is further arranged at the end part of the free end of the limit power-off switch; the steel wire rope electric hoist is integrally fixed on a side frame on one side of a frame body, a stroke limiting rod is welded and fixed at a corresponding side end of a side platform on the corresponding side, a vertical extension rod is further arranged on a corresponding side end of a middle platform in a sliding mode, a contact plate on the limiting power-off switch is attached to the bottom end of the extension rod, when the steel wire rope electric hoist is recovered, the side platform on the corresponding side is lifted to the maximum angle position in an upward mode, the corresponding position on the stroke limiting rod can press the top of the extension rod to enable the extension rod to slide downwards, the limiting power-off switch is pressed down, and therefore the control box is triggered to close the steel wire rope.
7. A horizontal railway wheeled mobile robotic loading platform including a winding mechanism as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110577095A (en) * | 2019-08-29 | 2019-12-17 | 天津市峤通物流有限公司 | railway wheel type movable automatic loading and unloading platform system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110577095A (en) * | 2019-08-29 | 2019-12-17 | 天津市峤通物流有限公司 | railway wheel type movable automatic loading and unloading platform system |
| CN110577095B (en) * | 2019-08-29 | 2024-04-19 | 天津市峤通物流有限公司 | Railway wheel type movable automatic loading and unloading platform system |
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