CN116587958A - Rail wheel pair loading and unloading integrated transportation device - Google Patents

Abstract

The invention provides a rail wheel set loading and unloading integrated transportation device, which comprises: a vehicle frame as a rigid support platform for each mechanism and system; the wheel pair enclasping and lifting mechanism is used for enclasping and lifting the wheel pair and realizing the connection between the device and the wheel pair; the walking system comprises a power supply system, a power system and a crawling system, wherein the power supply system is used for providing power, the power system is used for providing power for the action part of the wheel set hugging lifting mechanism, and the crawling system is used for driving the vehicle frame carrying the wheel set to move on the ground; the central control system is used for controlling the wheel set holding lifting mechanism and the running system to act; the wheel set hugging lifting mechanism, the running system and the central control system are all arranged on the vehicle frame. The invention has reasonable structural layout, can realize the integration of wheel set loading and unloading and automatic transportation, realize stable operation and safe operation and reduce the transportation cost.

Description

Rail wheel pair loading and unloading integrated transportation device

Technical Field

The invention relates to the technical field of transportation equipment for wheel sets of railway vehicles, in particular to a rail wheel set loading and unloading integrated transportation device.

Background

After the wheel set parts of the railway vehicle are produced, the wheel set parts need to be transported to a designated area for assembling the bogie.

The current solution is that the wheel set parts are lifted to a transport vehicle or a truck through a crown block (combined with a special lifting device), and the transport vehicle or the truck conveys the wheel set parts to a destination and then lifts the wheel set to a specified position through the crown block. The other method is that the wheel set parts are lifted to the auxiliary tool through the crown block, the auxiliary tool bearing the rail wheel set parts is lifted or towed by a forklift or a tractor, and then the auxiliary tool is lifted to a specified position through the crown block after being transported to a destination.

The transportation methods of the wheel sets have the problems of complicated transportation flow, high requirements on related personnel skills, high transportation cost, high safety, high quality risk and the like.

Disclosure of Invention

The invention mainly solves the technical problem of providing the rail wheel set loading and unloading integrated transportation device which has reasonable structural layout, can realize the loading and unloading integration and automatic transportation of wheel sets, realizes stable operation and safe operation and reduces the transportation cost.

In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:

An integrated rail wheel set loading and unloading transport device, comprising:

a vehicle frame as a rigid support platform for each mechanism and system;

the wheel pair enclasping and lifting mechanism is used for enclasping and lifting the wheel pair and realizing the connection between the device and the wheel pair;

the walking system comprises a power supply system, a power system and a crawling system, wherein the power supply system is used for providing power, the power system is used for providing power for the action part of the wheel set hugging lifting mechanism, and the crawling system is used for driving the vehicle frame carrying the wheel set to move on the ground;

the central control system is used for controlling the wheel set holding lifting mechanism and the running system to act;

the wheel set hugging lifting mechanism, the running system and the central control system are all arranged on the vehicle frame.

Further, the whole vehicle frame is H-shaped and consists of side beams at two sides and a middle beam, and the wheel pair holding lifting mechanisms are arranged at two sides of the middle beam in an axisymmetric mode.

Further, the vehicle frame is composed of a vehicle frame and a vehicle roof, the vehicle frame and the vehicle roof are of H-shaped structures, the vehicle frame is of a box-shaped structure with an opening at the upper part, the vehicle roof is of a plate-shaped structure, and the vehicle roof is mounted on the vehicle frame in a covering mode.

Further, the wheel set hugging lifting mechanism comprises a wheel set bracket, a hugging mechanism and a jacking mechanism, wherein the wheel set bracket is used for supporting the wheel set, the hugging mechanism is used for hugging the wheel set from two side treads, and the jacking mechanism is used for lifting the wheel set bracket.

Further, the wheel set bracket comprises a cross beam, a bearing seat and a lower support, wherein the cross beam, the bearing seat and the lower support are all arranged in parallel with an axle, the jacking mechanisms are two groups of the two ends of the cross beam, the jacking mechanisms are connected with a power system, the lower support is fixedly connected with one side of the cross beam, the bearing seat is provided with a bearing part extending towards the upper side of the cross beam, the jacking mechanisms drive the cross beam, the bearing seat and the lower support to synchronously lift, and the enclasping mechanisms can be longitudinally and telescopically arranged on the bearing seat and are provided with tread bearing parts and/or axle box bearing parts and/or gear box bearing parts.

Further, the main part of lower support is L shape structure, and the horizontal part of main part is flat plate structure and stretches out to the outside of vehicle frame, and the vertical part of main part is box structure be provided with a plurality of upwards convex first mount pad on the vertical part of lower support, first mount pad and crossbeam fixed connection.

Further, the tread supporting portion is composed of two first side plates and a plurality of rotatable rollers arranged between the two first side plates, the rollers are arranged from top to bottom, and an arc surface matched with the tread of the wheel is formed on the outer side of the rollers after the rollers are arranged.

Further, the axle box bearing part and the gear box bearing part are of a box body structure which is integrally triangular, and are composed of two second side plates and an arc plate arranged between the two second side plates.

Further, slide ways are respectively arranged below the two ends of the bearing seat, slide beams are respectively connected in the slide ways in a sliding manner, the holding mechanism is fixedly arranged on the slide beams, the bearing seat is connected with the slide beams through a third hydraulic mechanism, the third hydraulic mechanism drives the slide beams to move back and forth, and the third hydraulic mechanism is connected with the power system.

Further, the sliding beams at the two ends of the bearing seat are connected into a whole at one end deviating from the enclasping mechanism, so that a U-shaped sliding beam is formed.

Furthermore, the cross beam adopts a hollow box-shaped structure, the middle section of the cross beam is sunken downwards, and the whole cross beam is of an inverted-V-shaped structure.

Further, the hug mechanism is two groups to hug two wheels respectively, hug mechanism includes hug arm, tread press seat, first hydraulic mechanism and second hydraulic mechanism, hug arm can be in horizontal plane internal rotation connection on the wheel set bracket, first hydraulic mechanism is connected with hug arm and is driven hug arm and do the action of stretching and contracting, makes when stretching hug arm dodges wheel set business turn over space, makes hug arm hugs tightly on the wheel tread from the outside when contracting, second hydraulic mechanism with tread press seat rotatable coupling drives the tread is stretched out the self-adaptation to compress tightly on the wheel tread or is retracted to break away from the wheel tread to wheel tread direction, first hydraulic mechanism and second hydraulic mechanism are all connected with driving system.

Further, the arm is by connecting portion and enclasping portion constitution, the one end rotatable coupling of connecting portion is on the wheel set bracket, enclasping portion is perpendicular connecting portion stretches out to the wheel tread direction, enclasping portion comprises two third curb plates and a plurality of rotatable running rollers of installing between two third curb plates, and a plurality of running rollers are arranged from top to bottom and are set up, and the outside forms with wheel tread matched with cambered surface after a plurality of running rollers are arranged.

Further, the walking system further comprises a safety system, wherein the safety system comprises a safety warning lamp, a stroboscopic lamp, an emergency brake switch, an anti-collision switch, a steering lamp and a running illuminating lamp, and the safety system is connected with the central control system.

In summary, the track wheel set loading and unloading integrated transportation device provided by the invention has the following beneficial effects compared with the prior art:

(1) The device overall structure is rationally distributed, can realize wheel pair loading and unloading integration and automatic transportation, has solved that track wheel pair class part exists the flow loaded down with trivial details, personnel skill requirement height, the high, the transportation expense of safety quality risk height scheduling problem in transportation, has realized stable operation and safe operation.

(2) The device integrates the loading and unloading of the crown block and the transportation function of the transportation vehicle because of adopting the design of loading and unloading integrated transportation, simplifies the transportation flow of rail wheel pair parts, reduces the special transportation cost and reduces the transportation cost.

(3) The position of the clamping device is the wheel set tread, so that the loading and unloading integrated transportation of rail wheel sets with different sizes and types under specific gauges (such as standard gauges and wide gauges) can be realized, and the device has a larger application range.

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which 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. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.

In the drawings:

FIG. 1 is a schematic view of a transport apparatus according to the present invention;

FIG. 2 is a schematic view of the frame structure of the present invention;

FIG. 3 is a bottom view of the frame structure of the present invention;

FIG. 4 is a schematic view of the roof structure of the present invention;

FIG. 5 is a schematic view of the transport apparatus of the present invention (with the roof removed);

FIG. 6 is a schematic view of a wheel set bracket structure of the present invention;

FIG. 7 is a second schematic illustration of the wheel set carrier structure of the present invention;

FIG. 8 is a schematic view of the lower support structure of the wheel set carrier of the present invention;

FIG. 9 is a schematic view of a wheel set carrier support seat according to the present invention;

FIG. 10 is a schematic diagram of a wheel set carrier bracket structure according to the second embodiment of the present invention;

FIG. 11 is a schematic view of a wheel set carrier skid beam structure of the present invention;

FIG. 12 is an enlarged view of a portion of the wheel set tread support of the present invention;

FIG. 13 is a schematic view of a left tread seat according to the present invention.

In the figure: as shown in fig. 1 to 13, a vehicle frame 10, side members 11, a center member 12, a frame 13, a roof 14, reinforcing ribs 15, heat dissipation holes 16, steering wheel mounts 17, and cylinder mounts 18;

wheel set hugging lifting mechanism 20, wheel set bracket 21, cross beam 211, lower support 212, horizontal portion 2121, vertical portion 2122, reinforcing plate 2123, bearing bracket 213, bearing 2131, slideway 2132, auxiliary support bar 214, hinge point 2141, hinge point 2142, first mount 215, tread support 216, roller wheel 2161, axle box support 217, arc 2171, gear box support 218, slide beam 219, hinge seat 2191;

The device comprises a clasping mechanism 22, a clasping arm 221, a connecting part 2211, a clasping part 2212, a third side plate 22121, a roller 22122, a tread pressing seat 222, an arc surface 2221, a hinge seat 2222, a first hydraulic mechanism 223, a second hydraulic mechanism 224 and a third hydraulic mechanism 225;

a jack-up mechanism 23, a fourth hydraulic mechanism 231;

the walking system 30, the power supply system 31, the power supply switch 311, the charging port 312, the storage battery 313, the power management system 314, the crawling system 32, the universal steering wheel 321, the power system 33, the safety system 34, the safety warning lamp 341, the strobe lamp 342, the emergency brake switch 343, the anti-collision switch 344, the steering lamp 345 and the running illumination lamp 346;

the system comprises a central control system 40, a motion control system 41, a wheel holding control system 42, an information display system 43, a conveyor state display screen 431 and a wheel set information display screen 432.

It should be noted that the drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, the integrated transporting device for loading and unloading rail wheel sets is mainly used for transporting wheel sets from a storage station to an assembly station of a bogie. The wheel set includes wheels, axles, axle boxes and gearboxes, but may include only wheels and axles as needed.

The transportation device mainly comprises a vehicle frame 10, a wheel set hugging lifting mechanism 20, a running system 30 and a central control system 40. The vehicle frame 10 is used as a main supporting component, and the wheel set hugging lifting mechanism 20, the running system 30 and the central control system 40 are all installed on the vehicle frame 10 as rigid supporting platforms of various mechanisms and systems. The wheel set enclasping and lifting mechanism 20 is used for realizing enclasping and lifting of the wheel set and realizing connection of the device and the wheel set. The running system 30 comprises a power supply system 31, a crawling system 32 and a power system 33, wherein the power supply system 31 is used for providing power for various systems and mechanisms of the device, the power system 33 is used for providing power for the action components of the wheel pair hugging lifting mechanism 20, and the crawling system 32 is used for driving the vehicle frame 10 carrying the wheel pair to move on the ground, and the linear motion, the steering motion and the like are included. The central control system 40 is used for controlling the actions of the wheelset hugging lifting mechanism 20 and the running system 30.

Specifically, as shown in fig. 1 to 5, in the present embodiment, it is preferable that the vehicle frame 10 has an overall H-shaped structure, and is composed of side members 11 on both sides and a center member 12 in the middle. The wheel pair hug lifting mechanism 20 comprises two groups, is distributed on two sides of the middle beam 12 in a central symmetry mode and is used for supporting, hugging and jacking the two groups of wheel pairs, namely, the two groups of wheel pairs can be transported simultaneously by using one transportation device, so that the assembly requirement of the two groups of wheel pairs of one bogie is met, and the problem of platform allocation in the wheel pair transportation process is solved. Meanwhile, the two groups of wheel pair enclasping lifting mechanisms 20 are designed in a central symmetry mode, so that when the track wheel pairs are transported, the gear box is positioned in a central symmetry position, the center of gravity of the whole vehicle coincides with the center, and the stability of the device in the transportation process is ensured.

In this embodiment, it is further preferable that the vehicle frame 10 is composed of a vehicle frame 13 and a roof 14, and both the vehicle frame 13 and the roof 14 have an H-shaped structure. The frame 13 adopts a box-shaped structure with an open upper part, is formed by splicing and welding a plurality of metal plates, and is used for conveniently installing other mechanism parts. The roof 14 has a plate-like structure, and the roof 14 is fixedly mounted above the frame 13 to cover the box-like structure of the frame 13, thereby forming a complete housing of the vehicle frame 10 and protecting the components inside the frame 13. In order to improve the overall structural strength of the frame 13, the joint between the center sill 12 and the side sill 11 of the frame 13 is welded to a reinforcing rib 15 having a substantially triangular shape, and the reinforcing rib 15 is welded to the top of the joint. In the device, all control components are arranged in the frame 13, and at least one radiating hole 16 is arranged on the bottom plate of the frame 13 in order to ensure good heat radiation of the control components.

As shown in fig. 1 and 5, the two sets of wheel set hugging lifting mechanisms 2 are identical in structure and are respectively installed in spaces on both sides of the intermediate beam 12, and only one set of wheel set hugging lifting mechanisms 2 will be described in detail below as an example.

As shown in fig. 1, 5, 6 and 7, the wheel set clasping lifting mechanism 20 includes a wheel set bracket 21, a clasping mechanism 22 and a jacking mechanism 23. The wheel set bracket 21 is used for supporting the wheel set, the enclasping mechanism 22 is used for enclasping the wheels from two sides, and the jacking mechanism 23 is used for lifting and lowering the wheel set bracket 21 to realize connection with the wheel set in the storage position and detachment after being transported to the assembly station.

In this embodiment, the wheel set bracket 21 includes a cross beam 211, a lower support 212 and a support seat 213, and the cross beam 211, the lower support 212 and the support seat 213 are all disposed parallel to the axle, that is, parallel to the center sill 12 of the vehicle frame 10, and the cross beam 211, the lower support 212 and the support seat 213 are installed in a space surrounded by the side sill 11 and the center sill 12 on both sides.

Wherein, the jacking mechanism 23 is two groups, and two ends of the beam 211 are respectively connected to the two groups of jacking mechanisms 23, the jacking mechanism 23 is connected with the power system 33, and the jacking mechanism 23 drives the beam 211, the lower support 212 and the bearing seat 213 to synchronously lift.

In order to improve the structural strength of the beam 211, in this embodiment, it is preferable that the beam 211 adopts a hollow box-shaped structure, so that the strength requirement can be met, the weight is reduced, further, the middle section of the beam 211 is recessed downwards, the whole beam 211 is in an inverted-Chinese-character-ji-shaped structure, other components mounted around the beam 211 can be avoided, the overall structural strength of the beam 211 is improved, and the bearing capacity of the beam 211 is improved.

As shown in fig. 7 and 8, the main body of the lower support 212 is disposed parallel to the beam 211 and fixed to one side of the beam 211, and the lower support 212 functions as a support wheel set, an axle box, and a gear box. More preferably, the main body of the lower bracket 212 has an L-shaped structure, the horizontal portion 2121 of the main body extends to the outside of the center sill 12 of the vehicle frame 1, a plurality of first mounting seats 215 protruding upward are provided on the main body of the lower bracket 212, the first mounting seats 215 are welded to the vertical portion 2122 of the main body of the lower bracket 212, the first mounting seats 215 are fixedly connected to the cross member 211 by caulking, and the first mounting seats 215 are connected to the rear surface (i.e., the side surface facing the center sill 12) of the cross member 211.

In order to improve the overall structural strength of the lower support 212 and facilitate docking with a wheel, the horizontal portion 2121 of the main body of the lower support 212 adopts a flat plate structure, the vertical portion 2122 of the main body of the lower support 212 adopts a hollow box-shaped structure, and a plurality of parallel reinforcing rib plates 2123 are arranged in the middle, so that the strength can be ensured and the weight can be reduced.

As shown in fig. 6 and 8, a tread support 216, an axle box support 217, and a gear box support 218 for supporting wheels, axle boxes, and gear boxes are provided on a horizontal portion 2121 of the main body of the lower support 212. The surfaces of the tread bearing part 216, the axle box bearing part 217 and the gear box bearing part 218, which are contacted with the tread, the axle box and the gear box shell of the wheel, are preferably cambered surfaces, and different radians are selected according to the supported positions, so that the axle box/gear box is effectively prevented from rotating in the transferring process. Meanwhile, the cambered surface structure is beneficial to fully utilizing the gravity of the gear box and the axle box in the process of putting the wheels, and driving the wheel set and related parts to automatically slide out of the lower support 212. To facilitate docking with the wheel set, the outermost bottom ends of tread support 216, axle box support 217, and gear box support 218 are aligned with the outer edges of horizontal portion 2121 of lower support 212.

The tread supporting portion 216 for supporting the wheel is composed of two first side plates (not labeled in the figure) and a plurality of rotatable rollers 2161 arranged from top to bottom and installed between the two first side plates, the rollers 2161 are arranged from top to bottom, and an arc surface matched with the tread of the wheel is formed on the outer side of the rollers 2161 after the rollers are arranged. In this embodiment, the roller 2161 is preferably a rubber roller, and rolling friction is used to replace sliding friction in the wheel holding and releasing process, so that smoothness of motion can be enhanced, and meanwhile, the tread of the wheel can be prevented from being scratched. In addition, the tread support 216 may be designed to be a position-adjustable structure, and may be slidably coupled to the main body of the lower support 212 by a sliding structure, and may be fixed by bolts after being slid into place, so that the transporting device may transport a wide gauge wheel set.

The axle box supporting portion 217 adopts a box structure with a triangular shape as a whole, and is composed of two second side plates (not labeled in the figure) and an arc plate 2171 installed between the two second side plates. The structure of the gear case receiver 218 is the same as that of the pedestal receiver 217, and the width of the gear case receiver 218 is larger than that of the pedestal receiver 217 only when the width is different depending on the supporting position. The arc of the arcuate plate 2171 matches the arc of the supported location.

The axle box receiver 217 and the gear box receiver 218 are provided with lightening holes in the second side plate and the arc 2171 that enclose the box. The axle box bearing 217 and the gear box bearing 218 may be welded directly to the body of the lower support 212 or may be bolted to facilitate replacement of bearings of different radians depending on the size and weight of the axle box and the axle box. Of course, the axle box bearing 217 and the gear box bearing 218 may also be connected to the main body of the lower support 212 through a sliding structure, and fixed by bolts after sliding in place, so as to facilitate adjustment of the supporting position according to the wheels corresponding to different gauges.

As shown in fig. 9 and 10, the support base 213 is disposed parallel to the cross beam 211, the top of the support base 213 has a support portion 2131 extending upward from the cross beam 211, the support portion 2131 is mounted on the cross beam 211, and the support base 213 can be lifted up together when the cross beam 211 is lifted up by a bolt fixedly connected to the cross beam 211. The support bracket 213 is vertically installed integrally above the lower support 212.

As shown in fig. 1, 6, 7, 9 and 10, the back surface of the support base 213 is hinged to the middle beam 12 of the vehicle frame 10 through a plurality of auxiliary support rods 214 passing through the support base 213, and through holes (not shown) are correspondingly formed in the support base 213. In this embodiment, the bearing bracket 213 is hinged to the middle beam 12 through four auxiliary support rods 214, and the four auxiliary support rods 214 are divided into two upper ends and two lower ends, so as to ensure the bearing capacity of the bearing bracket 213. One end of the auxiliary supporting rod 214 is connected with the bearing seat 213 through a hinge point 2141, and the other end of the auxiliary supporting rod 214 is connected with the vehicle frame 1 through a hinge point 2142. When the lifting mechanism 23 drives the cross beam 211 to lift, the supporting seat 213 also lifts along with the lifting mechanism, and the auxiliary supporting rod 214 rotates in a self-adaptive manner around the hinge point 2141 and the hinge point 2142 in the vertical direction, so that the supporting seat 213 is ensured to be always in a vertical state, and further the wheel set bracket 21 is ensured to be in an overall horizontal state in the loading, unloading and transporting processes.

The clasping mechanism 22 is telescopically mounted on the support bracket 213, in this embodiment, preferably, under both ends of the support seat 213, slide ways 2132 are respectively provided, the slide ways 2132 are extended in a direction parallel to the side beams 11, each slide way 2132 is slidably connected with a sliding beam 219, the slide ways 2132 preferably adopt a mouth-shaped slide way 2132, and the sliding beams 219 also preferably adopt mouth-shaped beams. The clasping mechanism 22 is fixedly mounted to the slide beam 219 and fixedly mounted to one end of the slide beam 219. When the clasping mechanism 22 is operated, the slide beam 219 cooperates with the slide 2132 to perform a guiding function. The socket 213 also functions to support the slide beam 219. As shown in fig. 10, in this embodiment, the sliding beams 219 on both sides are preferably integrally connected at one end facing away from the clasping mechanism 22, and the sliding beams are integrally formed in a U-shaped structure.

As shown in fig. 6, 7 and 12, in the present embodiment, the hug mechanism 22 includes two groups for respectively hugging two wheels on an axle, and the two groups of hug mechanisms 22 have the same structure and are separately disposed on two sides of the lower support 212.

Specifically, the clasping mechanism 22 includes two sets of clasping arms 221, two sets of tread pressing seats 222, two sets of first hydraulic mechanisms 223, and two sets of second hydraulic mechanisms 224, all symmetrically disposed about the transverse centerline of the vehicle frame 10. Wherein, arm 221 can be in horizontal plane swivelling joint in the one end of slide beam 219, and first hydraulic mechanism 223 is connected with arm 221 and is driven arm 221 and do the action of extension and shrink, makes arm 221 dodge the wheel pair business turn over space when extending, makes arm 221 hug tightly on the wheel tread from the outside when shrink. The second hydraulic mechanism 224 is rotatably connected with the tread pressing seat 222 to drive the tread pressing seat 22 to extend towards the tread direction and adaptively press the tread or retract to be separated from the tread, and the first hydraulic mechanism 223 and the second hydraulic mechanism 224 are connected with a power system.

Specifically, one end of the arm 221 is hinged to an end of the sliding beam 219, and the arm 221 is rotatable in a horizontal plane with respect to the sliding beam 219. The pneumatic cylinder of first hydraulic mechanism 223 is fixed on the slide beam 219, and the extension rod of first hydraulic mechanism 223 is connected on arming arm 221, and when the extension rod of first hydraulic mechanism 223 stretches out, it outwards rotates to drive arming arm 221 and extends for dodge the business turn over space of wheel before arming the wheel, and when the extension rod of first hydraulic mechanism 223 is retracted, it inwards rotates to drive arming arm 221 and retracts for enclasping the wheel from the outside, and the inboard of wheel utilizes tread supporting part 216 and tread pressure seat 222 on the lower support 212 to enclasp jointly.

As shown in fig. 11 and 12, in the present embodiment, the arm 221 is preferably formed of two parts, one part is a connection portion 2211 hinged to the slide beam 219, the other part is a holding portion 2212 for holding the tread of the wheel, one end of the connection portion 2211 is hinged to the end of the slide beam 219, and a hinge seat 2191 is provided at the end of the slide beam 219. The connection portion 2211 is formed by splicing and welding two connecting plates which are parallel up and down and a plurality of vertical risers (not labeled in the figure), which is beneficial to reducing the weight and improving the overall structural strength of the connection portion 2211. The clasping portion 2212 extends in the tread direction along the vertical connection portion 2211. The clasping portion 2212 has the same structure as the tread supporting portion 216, and is composed of two third side plates 22121 and a plurality of rollers 22122 arranged from top to bottom and installed between the two side plates, the rollers are arranged from top to bottom, cambered surfaces matched with the tread of the wheel are formed on the outer sides of the rollers after the rollers are arranged, and rubber rollers are preferably adopted as the rollers.

As shown in fig. 6, 7 and 13, the tread pressing seat 222 is located at the top end of the bearing bracket 213, one end of the hydraulic cylinder of the second hydraulic mechanism 224 is hinged on the middle beam 12, the extending rod of the second hydraulic mechanism 224 is hinged on the tread pressing seat 222, when the extending rod of the second hydraulic mechanism 224 extends, the tread pressing seat 222 is pressed on the tread of a wheel to tightly hold the wheel, the wheel pair is pressed, the wheel pair is prevented from shaking up and down during transportation, and when the extending rod of the second hydraulic mechanism 224 retracts, the tread pressing seat 222 is separated from the tread of the wheel to realize wheel release. The tread pressing seat 222 has an arc surface 2221 matched with the tread of the wheel, the tread pressing seat 222 is provided with a hinge seat 2222, and the hinge seat 2222 is hinged with the end part of the extending rod of the second hydraulic mechanism 224. The contact part of the tread pressing seat 222 and the tread adopts a rubber pad to avoid scratching the tread.

As shown in fig. 7 and 12, the support base 213 is connected to the slide beam 219 via a third hydraulic mechanism 225, the third hydraulic mechanism 225 is used for driving the arm 221 to move back and forth along the side beam 11 of the vehicle frame 1, and the third hydraulic mechanism 225 is connected to the power system 33. The hydraulic cylinder of the third hydraulic mechanism 225 is fixed on the slideway 2132 of the bearing bracket 213, the extension rod of the third hydraulic mechanism 225 is connected to the sliding beam 219, when the extension rod of the third hydraulic mechanism 225 extends, the sliding beam 219 and the arm 221 are driven to move outwards, and when the extension rod of the third hydraulic mechanism 225 retracts, the sliding beam 219 and the arm 221 are driven to move inwards and forwards, and the arm 221 is matched to complete wheel holding and wheel releasing actions.

Further, a locking mechanism (not shown in the figure) can be further adopted at the joint of the arm 221 and the sliding beam 219, and the locking mechanism can adopt a hydraulic lifting column or a bidirectional ratchet mechanism and the like, so that when the arm 221 reaches a designated position, the arm 221 and the sliding beam 219 are fixed, the clamping force during wheel holding is further ensured, and the stability of the wheels in the transportation process is ensured.

In this embodiment, as shown in fig. 6 and 7, the lifting mechanism 23 adopts a fourth hydraulic mechanism 231, the bottoms of the hydraulic cylinders of the fourth hydraulic mechanism 231 are fixed on the side beams 11 of the vehicle frame 1, as shown in fig. 2, four hydraulic cylinder mounting seats 18 are correspondingly arranged on the two side beams 11, the tops of the extending rods of the fourth hydraulic mechanism 231 are fixed on the cross beam 211, two groups of fourth hydraulic mechanisms 231 are respectively arranged at two ends of the cross beam 211, and the extending rods of the two groups of fourth hydraulic mechanisms 231 synchronously extend and retract to drive the cross beam 211 to lift and descend, so as to drive all components in the whole wheel set bracket to synchronously lift and descend.

As shown in fig. 5, the power system 33 for powering the first hydraulic mechanism 223, the second hydraulic mechanism 224, the third hydraulic mechanism 225, and the fourth hydraulic mechanism 231 is integrally installed inside the center beam 12 of the vehicle frame 1, and is fixed to the vehicle frame 13 by bolts, and in this embodiment, the power system 33 is preferably a hydraulic pump system. Meanwhile, the hydraulic rods of the hydraulic mechanisms are additionally provided with limit sensors, and the limit positions of the hydraulic rods of the systems are controlled through the limit sensors, so that the hydraulic rods of the systems can move to the designated positions. Of course, the first hydraulic mechanism 223, the second hydraulic mechanism 224, the third hydraulic mechanism 225 and the fourth hydraulic mechanism 231 may also adopt electric push rods, and are powered by a power supply system on the device.

The wheel set bracket 21 adopts the wheel holding mechanism principle, and the actions of wheel holding/releasing, clamping/loosening, lifting/putting down and the like of the rail wheel set are completed under the action of the first hydraulic mechanism 223, the second hydraulic mechanism 224, the third hydraulic mechanism 225 and the fourth hydraulic mechanism 231, so that the loading and unloading functions of the rail wheel set parts are realized.

As shown in fig. 1 and 5, the power supply system 31 includes a power supply switch 311, a charging port 312, a secondary battery 313, and a power management system 314. The power supply switch 311 and the charging port 312 are provided in two groups, respectively, outside the two side members 11 of the vehicle frame 1, and are placed in a center-symmetrical manner, but the charging port 312 may be mounted below the vehicle frame 13. The storage battery groups 313 are two groups, are respectively arranged in the two side beams 11 of the vehicle frame 1, and are responsible for supplying power to each subsystem of the transportation device. The two power management systems 314 are respectively installed in the two side beams 11 of the vehicle frame 1, and the power supply switch 311, the charging port 312 and the storage battery 313 on the same side are connected with the power management system 314 and are responsible for managing the power supply and output control of the storage battery and the on-off and power supplement of the whole vehicle power supply system.

The storage battery 313 obtains the voltage required by the transportation device through a cascade connection mode by a plurality of storage batteries, and the two storage battery 313 are respectively arranged in storage battery supporting frames (not labeled in the figure) on two sides of the inside of the frame 13 and are communicated with other power consumption subsystems to supply power to each subsystem of the transportation device.

As shown in fig. 1 and 3, the crawling system 32 comprises four electrically driven universal steering wheels 321 capable of steering by 360 ° or ±180°, four corners connected with the frame 13 and distributed below the frame 13, each independently arranged and not connected with each other, and steering wheel mounting seats 17 are arranged at the four corners of the frame 13. The angles of the axes of the four universal steering wheels 321 with respect to the center line of the vehicle frame 1 are independently or combined to change the steering direction and turning radius of the transportation device and realize omnibearing running. Of course, the number of universal steering wheels 321 can be increased in pairs depending on the carrying capacity of the transportation device. .

As shown in fig. 1, the running system 30 further includes a safety system 34, and the safety system 34 includes a safety warning lamp 341, a strobe lamp 342, an emergency brake switch 343, an anti-collision switch 344, a turn signal lamp 345, and a running light 346. The safety system 34 is connected to the central control system 40 for ensuring the safety of the transport device during handling and transport of rail wheel set type components.

Wherein the safety warning lamp 341 and the strobe lamp 342 are located at the center position of the center line of the upper surface of the roof 14, and the transporting device plays a role in warning surrounding personnel during running operation. The emergency brake switches 343 are located on both sides above the roof 14 and are placed in central symmetry for emergency stop operation of the transportation device in uncontrolled or dangerous situations. The anti-collision switch 344 is located at 8 corners of the outer side of the H-shaped frame 13, and when the running device runs to be closer to surrounding obstacles, the anti-collision switch 344 senses the obstacles and limits the transportation device to continue moving, and the anti-collision switch 344 can be realized by the radar detection principle or the laser ranging principle. The turn signal lights 345 are located on four planes, front and rear, outside the frame 13 for prompting the surrounding vehicles and pedestrians that the transportation device is about to turn. The running illumination lamp 346 is positioned above the bearing bracket of the wheel set bracket 20, so that the transportation device can be conveniently completed to complete the relevant loading and unloading actions at night or in poor illumination, and surrounding personnel and vehicles can be conveniently and clearly seen around the transportation device during transportation.

As shown in fig. 1 and 5, the central control system 40 includes a motion control system 41, a wheel clasping control system 42, and an information display system 43. The motion control system 41 and the wheel holding control system 42 are respectively fixed on two sides of the power system 33 through bolts and the frame 13 and are responsible for controlling and feeding back the mechanisms of the wheel set bracket 21, the power system 33, the running system 30 and the safety system 34.

The motion control system 41 is fixed on the left/right side of the power system 33 through bolts and the frame 13, is communicated with the crawling system 32, the power system 33, the safety system 34 and the information display system 43, and is responsible for the automatic control of the walking and steering of the transportation device, the device state monitoring, the action track tracking, the fault alarming and other functions. The wheel holding control system 42 is fixed on the right/left side of the power system 33 through bolts and the frame 13, is used as a main control and monitoring unit of the power system 33, is communicated with the hydraulic pump system and the conveyor state display system, and is responsible for controlling each action mechanism of the conveyor wheel set bracket.

The information display system 43 includes a transporter status display screen 431 and a wheel set information display screen 432, which are respectively located on two sides of the exterior of the frame 13 and above the roof 14, to provide the operator and the producer with the transporter status information and the production information of the rail wheel set type components.

Wherein, the transportation device status display screen 431 is adhered to two sides of the frame 13 in an adhesive manner, and is connected to the central control system 40, so as to provide vehicle status information for the operator of the transportation device, such as: electric quantity information, pressure of each hydraulic cylinder, charge and discharge state, maximum round trip transportation times and the like. The wheel set information display 432 is adhered to the top of the vehicle roof 14 by an adhesive, and is connected to the central control system 40 to provide information of the wheel set type components for a producer transporting and receiving the wheel set type components, such as: wheel set number, wheel set model, wheel set date, production batch, production team, etc.

The central control system 40 also comprises a communication module capable of realizing wireless information communication, a wireless remote control module capable of realizing remote control of the conveying device, an active tracking module capable of realizing autonomous tracking movement of the conveying device, and an automatic connection module capable of realizing automatic connection of the conveying device and rail wheel set parts by one-key operation.

The using steps of the conveying device are as follows:

1. initial state

The transportation device is stationary, the two sets of fourth hydraulic mechanisms 231 on the wheel set carrier 21 are in a raised state, the cross beam 211, the bearing seat 213 and the lower support 212 are all raised, and the first hydraulic mechanism 223, the second hydraulic mechanism 224 and the third hydraulic mechanism 225 are in a contracted state.

2. Loading of rail wheel sets

21. And (5) loading preparation.

The transport device is first moved (translated, or straight run) to a position where the tread support 216 on the lower support 212 is aligned with the rail/wheel set tread, then the two sets of fourth hydraulic mechanisms 231 on the side wheel set carriage 21 begin to retract, the wheel set carriage 21 descends to the designated height; the first hydraulic mechanism 223 and the third hydraulic mechanism 225 are then extended, the slide beam 219 is extended forward, and the arm 221 is in an extended state ready to approach the rail wheel set type component.

22. And (5) connecting the wheel sets.

The transport device moves straight towards the wheel set in the loading ready state until the wheel set transport aid contacts the lower abutment 212 of the side wheel set carrier 21.

23. The wheel pair is clamped.

First, the first hydraulic mechanism 223 is contracted, and the arm 221 is rotated to an angle of 90 ° with respect to the slide beam 219. Then, the third hydraulic mechanism 225 is operated to contract, the wheel set is pushed to the clasping position by the clasping arm 221 and is clamped, the clasping arm 221 and the tread support 216 of the lower support 212 are contacted and clamped with the wheel tread, the auxiliary axle box transporting tool/auxiliary gear box transporting tool slides onto the axle box support 217 and the gear box support 218 of the lower support 212, then the second hydraulic mechanism 224 is extended, and the tread pressing seat 222 is pressed on the wheel tread.

24. The wheel set is lifted.

After the wheel set bracket 21 completes the clamping action, the fourth hydraulic mechanism 231 acts and rises, and the wheel set bracket 21 clamps the wheel set and rises under the action of the fourth hydraulic mechanism 231 and stops after rising to a specified position. At this time, the loading operation of the wheel set is completed.

3. Transportation of rail wheel set type parts

After the loading of the wheel sets is completed, the conveying device starts to convey by a wireless remote control system or an automatic tracking system. In the normal transportation process of the transportation device, the wheel set bracket 21 keeps a holding and clamping state under the action of the power system 33, and the power supply system 31, the crawling system 32, the safety system 34, the central control system 40 and the information display system 43 work normally.

In the automatic transportation mode, if the anti-collision switch 344 senses that the transportation device is close to the surrounding obstacle, the motion control system 41 of the transportation device limits the vehicle body to continue to move forward, and sounds an alarm to the surrounding, and meanwhile, the abnormality is returned to the transportation scheduling system where the vehicle body is located; if the transportation device encounters an emergency, such as failure of the power system 33, failure of each hydraulic mechanism, failure of the transportation device, etc., the emergency brake will be automatically triggered, and the surrounding personnel will also manually press the emergency brake switch 343.

4. Unloading of rail wheel set type components

41. And (5) unloading preparation.

After the transportation device moves to a designated position through wireless remote control or automatic tracking, whether the wheels and the tread of the wheel set are accurately located at a safe position or not is determined manually.

42. And unloading the wheel set.

First, the two sets of fourth hydraulic mechanisms 231 of the transporting device are contracted, and the wheel set carrier 21 carrying the wheel set is lowered to a designated position following the fourth hydraulic mechanisms 231 while the wheels/treads of the wheel set are supported.

The second hydraulic mechanism 224 then contracts, no longer exerting pressure on the wheel set.

Then, since the axle box supporting portion 217 and the gear box supporting portion 218 of the lower support 212 have a certain arc, the wheel set will slide forward along with the extension of the third hydraulic mechanism 225 under the action of the gravity of the axle box and the gear box, and leave the lower support 212. Finally, the first hydraulic mechanism 223 is extended, the arms 221 are extended, and the transporter is ready to leave the wheel set.

43. Away from the wheel set.

After the wheel set is unloaded, each hydraulic mechanism is kept in the current state. The transport device is then directed away from the wheel set and kept at a safe distance. Subsequently, each hydraulic mechanism in the transporting device is restored to the original state before loading and unloading transportation.

When the transporting device is used for loading/unloading two wheel pairs, the loading/unloading action of one wheel pair can be finished according to the steps. Then, the transporting device is adjusted to a proper position, and the loading/unloading action of the other wheel set is completed according to the steps.

The integrated transporting device for loading and unloading the rail wheel set parts has the following advantages:

1. the device adopts H type vehicle frame 10 for this conveyer can transport two wheelsets simultaneously, has solved the joining in marriage a platform problem in the wheelset transportation process.

2. The whole vehicle of the device adopts a central symmetry design, and when the rail wheel pair parts are transported, the gear box is positioned at a central symmetry position, and the center of gravity of the whole vehicle coincides with the center, so that the stability of the device in the transportation process is ensured.

3. The wheel set bracket 21 of the device adopts the wheel holding mechanism principle, and the actions of wheel holding/releasing, clamping/loosening, lifting/putting down and the like of the rail wheel set parts are completed under the action of the hydraulic mechanism, so that the loading and unloading functions of the rail wheel set parts are realized.

4. The arm 221 in the wheel set bracket 21 and the tread supporting part 216 of the lower support 212 of the device are both in rubber roller structures, and rolling friction is used for replacing sliding friction in the wheel holding and wheel placing process, so that the smoothness of actions can be enhanced.

5. The device designs axle box bearing parts 217 and 218 with different radians on the lower support 212 according to different weights of the gear box and the axle box, so that the rotation of the axle box/gear box in the transferring process is avoided. Meanwhile, in the process of wheel placing, the gravity of the gear box and the axle box can be fully utilized, and the wheel set and related components are driven to automatically slide out of the lower support 212.

6. The device adopts the electric drive universal steering wheel that can independently 360 or + -180 turns to as the crawling system of the device for this conveyer can realize all-round traveling, has all-round traveling functions such as small radius turn and horizontal translation, guarantees that the device can carry out the position appearance adjustment in the narrow and small place in space (like narrow way in the factory, passageway in the factory).

7. The device has realized the loading and unloading integration transportation of rail wheel pair class part, has solved the problem that the flow that rail wheel pair class part exists is loaded down with trivial details, personnel skill requires high, the safety quality risk is high, the transportation expense is high in the transportation process.

8. The wheel set tread is adopted as the position of the holding clamp of the wheel set bracket 21, so that the loading and unloading integrated transportation of rail wheel sets with different sizes and types under specific gauges (such as standard gauges and wide gauges) can be realized, and the device has a larger application range.

9. The device integrates the loading and unloading of the crown block and the transportation function of the transportation vehicle because of adopting the design of loading and unloading integrated transportation, simplifies the transportation flow of rail wheel pair parts and reduces the special transportation cost.

10. The device adopts an intelligent control system, can be scheduled by a production line, realizes automatic transportation of rail wheel pair parts, reduces communication of cross-department personnel, and improves transportation efficiency of the rail wheel pair parts.

11. The device changes the transfer flow of the rail wheel pair parts from lifting-transporting-lifting to lifting-transporting-lifting, reduces the loading and unloading actions of the rail wheel pair parts at one time, and obviously reduces the risk of collision of the rail wheel pair parts.

12. The loading and unloading integrated transportation device of the device comprises a wireless system and is provided with a wireless remote control handle, so that the transportation device can be remotely controlled, the number of operators is greatly reduced, and the skill requirements of the operators are reduced.

13. The device also comprises an active tracking module, so that the autonomous tracking function of the transportation device can be realized by means of a visual guiding technology, and a certain foundation is laid for the automatic transportation of future rail wheel pair parts.

14. The device can be widely applied to cement floors, asphalt floors, stone floors, epoxy resin floors and other common hard floors. Meanwhile, the embedded track has certain trafficability on the hard ground with the embedded track.

The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited to the above-mentioned embodiment, but is not limited to the above-mentioned embodiment, and any simple modification, equivalent change and modification made by the technical matter of the present invention can be further combined or replaced by equivalent embodiments within the scope of the technical proposal of the present invention without departing from the scope of the technical proposal of the present invention.

Claims (14)

1. The utility model provides a rail wheel pair loading and unloading integration conveyer which characterized in that includes:

a vehicle frame as a rigid support platform for each mechanism and system;

the wheel pair enclasping and lifting mechanism is used for enclasping and lifting the wheel pair and realizing the connection between the device and the wheel pair;

The walking system comprises a power supply system, a power system and a crawling system, wherein the power supply system is used for providing power, the power system is used for providing power for the action part of the wheel set hugging lifting mechanism, and the crawling system is used for driving the vehicle frame carrying the wheel set to move on the ground;

the central control system is used for controlling the wheel set holding lifting mechanism and the running system to act;

the wheel set hugging lifting mechanism, the running system and the central control system are all arranged on the vehicle frame.

2. The rail wheel set loading and unloading integrated transport device according to claim 1, wherein: the vehicle frame is H-shaped and consists of side beams at two sides and a middle beam, and the wheel pair holding lifting mechanisms are two groups and are arranged at two sides of the middle beam in an axisymmetric mode.

3. The rail wheel set loading and unloading integrated transport device according to claim 2, wherein: the vehicle frame comprises a frame and a roof, wherein the frame and the roof are of H-shaped structures, the frame is of a box-shaped structure with an opening at the upper part, the roof is of a plate-shaped structure, and the roof is arranged on the frame in a covering manner.

4. The rail wheel set loading and unloading integrated transport device according to claim 1, wherein: the wheel set hugging lifting mechanism comprises a wheel set bracket, a hugging mechanism and a jacking mechanism, wherein the wheel set bracket is used for supporting the wheel set, the hugging mechanism is used for hugging the wheel set from two side treads, and the jacking mechanism is used for lifting the wheel set bracket.

5. The rail wheel set loading and unloading integrated transport device according to claim 4, wherein: the wheel set bracket comprises a cross beam, a bearing seat and a lower support, wherein the cross beam, the bearing seat and the lower support are all arranged in parallel with an axle, the jacking mechanisms are connected at two groups at two ends of the cross beam, the jacking mechanisms are connected with a power system, the lower support is fixedly connected at one side of the cross beam, the bearing seat is provided with a bearing part extending towards the upper part of the cross beam, the jacking mechanisms drive the cross beam, the bearing seat and the lower support to synchronously lift, and the holding mechanism can be longitudinally and telescopically arranged on the bearing seat and is provided with a tread bearing part and/or an axle box bearing part and/or a gear box bearing part.

6. The rail wheel set loading and unloading integrated transport device according to claim 5, wherein: the main part of lower support is L shape structure, and the horizontal part of main part is flat plate structure and stretches out to the outside of vehicle frame, and the vertical part of main part is box structure be provided with a plurality of upwards convex first mount pad on the vertical part of lower support, first mount pad and crossbeam fixed connection.

7. The rail wheel set loading and unloading integrated transport device according to claim 5, wherein: the tread supporting part consists of two first side plates and a plurality of rotatable rollers arranged between the two first side plates, the rollers are arranged from top to bottom, and the outer sides of the rollers form cambered surfaces matched with the tread of the wheel.

8. The rail wheel set loading and unloading integrated transport device according to claim 5, wherein: the axle box bearing part and the gear box bearing part are of a box body structure which is integrally triangular, and are composed of two second side plates and an arc plate arranged between the two second side plates.

9. The rail wheel set loading and unloading integrated transport device according to claim 5, wherein: the lower part at both ends of the bearing seat is respectively provided with a slideway, a sliding beam is respectively and slidably connected in the slideway, the holding mechanism is fixedly arranged on the sliding beam, the bearing seat is connected with the sliding beam through a third hydraulic mechanism, the third hydraulic mechanism drives the sliding beam to move back and forth, and the third hydraulic mechanism is connected with the power system.

10. The rail wheel set loading and unloading integrated transport device according to claim 9, wherein: the sliding beams at the two ends of the bearing seat are connected into a whole at one end deviating from the enclasping mechanism to form a U-shaped sliding beam.

11. The rail wheel set loading and unloading integrated transport device according to claim 5, wherein: the cross beam adopts a hollow box-shaped structure, the middle section of the cross beam is sunken downwards, and the whole cross beam is of an inverted-V-shaped structure.

12. The rail wheel set loading and unloading integrated transport device according to claim 4, wherein: the wheel set is characterized in that the enclasping mechanism comprises two groups for enclasping two wheels respectively, the enclasping mechanism comprises an enclasping arm, a tread pressing seat, a first hydraulic mechanism and a second hydraulic mechanism, the enclasping arm can be connected to a wheel set bracket in a horizontal plane in a rotating way, the first hydraulic mechanism is connected with the enclasping arm to drive the enclasping arm to do stretching and shrinking actions, the enclasping arm is enabled to avoid a wheel set entering and exiting space when stretching, the enclasping arm is enabled to enclasp on the wheel tread from the outer side when shrinking, the second hydraulic mechanism is rotatably connected with the tread pressing seat to drive the tread pressing seat to stretch out of the wheel tread direction to be self-adaptively pressed on the wheel tread or retract to be separated from the wheel tread, and the first hydraulic mechanism and the second hydraulic mechanism are connected with a power system.

13. The rail wheel set loading and unloading integrated transport apparatus according to claim 12, wherein: the arm is by connecting portion and enclasping portion constitute, the one end rotatable coupling of connecting portion is on the wheel pair bracket, enclasping portion is perpendicular connecting portion stretches out to the wheel tread direction, enclasping portion comprises two third curb plates and a plurality of rotatable running rollers of installing between two third curb plates, and a plurality of running rollers are by arranging from top to bottom setting, and the outside forms with wheel tread matched with cambered surface after a plurality of running rollers are arranged.

14. The rail wheel set loading and unloading integrated transport apparatus according to any one of claims 1 to 13, wherein: the walking system further comprises a safety system, wherein the safety system comprises a safety warning lamp, a stroboscopic lamp, an emergency brake switch, an anti-collision switch, a steering lamp and a running illuminating lamp, and the safety system is connected with the central control system.