CN211617691U - Longitudinal positioning device for piggyback car - Google Patents
Longitudinal positioning device for piggyback car Download PDFInfo
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- CN211617691U CN211617691U CN202020228396.6U CN202020228396U CN211617691U CN 211617691 U CN211617691 U CN 211617691U CN 202020228396 U CN202020228396 U CN 202020228396U CN 211617691 U CN211617691 U CN 211617691U
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Abstract
The utility model relates to a longitudinal positioning device for a piggyback car, which comprises a base, a sliding seat, a driving part, a lifting part and a positioning part; the driving part can drive the sliding seat to slide along the longitudinal direction relative to the base; the positioning part and the lifting part are arranged on the sliding seat, the positioning part is matched with a positioning structure arranged on the lower end surface of the support part of the piggyback car, and the lifting part can lift the positioning part; when the positioning part is in a lifting state, the driving part can drive the sliding seat to drive the positioning part to slide along the longitudinal direction to be matched with the positioning structure, and the supporting part is pushed to move to a preset position along the longitudinal direction. The vertical accurate positioning can be carried out on the piggyback car, so that the end underframe and the supporting part of the piggyback car respectively correspond to the arrangement positions of other loading and unloading station equipment arranged on the platform, the loading and unloading are ensured to be carried out smoothly, and the loading and unloading are convenient to carry out.
Description
Technical Field
The utility model relates to a carry on back car technical field, concretely relates to carry on back longitudinal positioning device for car.
Background
Piggyback transportation refers to a convenient transportation mode that after goods are loaded on road vehicles such as road trucks or semi-trailers, the road vehicles automatically start a piggyback car at a train station at an origin and finish long-distance transportation through railways, and after the road vehicles reach a train station at a destination, the road vehicles can automatically start the piggyback car and drive to the final destination.
The body of piggyback car can generally include the body part and the separable support part of body part, while loading and unloading the goods, can rotate or translate and separate out the support part from the body part first, in order to facilitate the opening, opening of the road vehicle, after loading and unloading the goods is finished, can mount the support part on the body part again.
When the piggyback car runs to a loading and unloading yard, the body part and the support part of the piggyback car need to be accurately positioned in the longitudinal direction, so that each body part and the support part of the piggyback car respectively correspond to the setting positions of other loading and unloading yard equipment arranged at a platform, then the support part is separated from the body part through the loading and unloading yard equipment and then is matched with a slope transition device arranged at the platform, then loading and unloading operations are carried out, and how to accurately position the body part and the support part of the piggyback car in the longitudinal direction respectively correspond to the setting positions of other loading and unloading yard equipment arranged at the platform, so that loading and unloading are ensured to be carried out smoothly, which is a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a carry on back the car with vertical positioner can carry out vertical accurate positioning to carrying on the back the car for each tip chassis and the support portion of carrying on the back the car correspond with the position that sets up of other loading and unloading car station yard equipment that the platform set up respectively, guarantee to load and unload goods and go on smoothly, the going on of the loading and unloading goods of being convenient for.
In order to solve the technical problem, the utility model provides a longitudinal positioning device for piggyback car, which comprises a base, a sliding seat, a driving part, a lifting part and a positioning part; the driving part can drive the sliding seat to slide along the longitudinal direction relative to the base; the positioning part and the lifting part are arranged on the sliding seat, the positioning part is matched with a positioning structure arranged on the lower end surface of the support part of the piggyback car, and the lifting part can lift the positioning part; when the positioning part is in a lifting state, the driving part can drive the sliding seat to drive the positioning part to slide along the longitudinal direction to be matched with the positioning structure, and the support part is pushed to move to a preset position along the longitudinal direction.
The longitudinal positioning device is arranged in a track of a loading and unloading goods yard, the lower end surface of the support part is provided with a positioning structure, the positioning structure is matched with a limiting mechanism of the longitudinal positioning device, when the support part is positioned in a preset range after the piggyback car stops, the lifting part of the longitudinal positioning device is started to enable the positioning part to be in a lifting state, at the moment, the positioning part and the positioning structure are at the same height, then the driving part is started, the sliding seat drives the positioning part to move longitudinally until the positioning part is matched with the positioning structure on the lower end surface of the support part, then the driving part continues to drive and pushes the support part to move longitudinally to a preset position under the action of the positioning part and the limiting structure, at the moment, each end underframe and the support part of the piggyback car respectively correspond to the setting positions of other loading and unloading car yard equipment arranged on a platform, and then the end underframe and the support part can be lifted by the end underframe, the supporting part is lifted by the supporting part lifting device to be separated from the end underframe, then the supporting part is rotated or translated and is connected with a slope transition device arranged on the ground, and then the loading and unloading operation can be carried out.
That is to say, after the piggyback car reaches the loading and unloading yard and stops, the position of the support part is not necessarily at the preset position, but is within the preset distance range of the preset position, at the moment, the support part can be pushed by the longitudinal positioning device, so that the support part can be moved longitudinally to the preset position, and then the accurate positioning of the longitudinal positions of the end underframe and the support part can be realized, thereby facilitating the later-stage actions of the end underframe lifting device, the support part lifting device and the like, and ensuring the smooth loading and unloading of cargos. This longitudinal positioning device's simple structure only needs to act through lift portion and drive division for location portion and the location structure cooperation of holding in the palm portion lower extreme terminal surface and to hold in the palm portion promote can, simple structure, stability are good.
Optionally, the positioning portion includes a cross beam and a positioning block fixedly disposed on the cross beam, and two ends of the cross beam are respectively provided with a roller capable of rolling along the lower end surface of the support portion.
Optionally, the lifting part is an air spring provided on the sliding seat.
Optionally, the sliding seat is further provided with a swinging piece, the swinging piece comprises a hinged end and an action end, the hinged end is hinged to the sliding seat, the top end of the air spring can push the action end to swing around the hinged end, and the cross beam is fixedly arranged at the action end.
Optionally, the swinging member comprises two swinging rods arranged in parallel and at intervals.
Optionally, the driving portion includes a hydraulic cylinder hinged to the base, and an end of a piston rod of the hydraulic cylinder is hinged to the positioning portion.
Optionally, the lifting device further comprises a limiting part arranged on the sliding seat and used for limiting the lifting height of the action end.
Optionally, the limiting part comprises a first connecting rod and a second connecting rod which are hinged to each other, the end of the first connecting rod is hinged to the sliding seat, the end of the second connecting rod is hinged to the positioning part, and the lifting part can drive the first connecting rod to be unfolded or folded relative to the second connecting rod through the action end when the positioning part is lifted.
Optionally, the limiting portion further includes a limiting structure disposed on the first connecting rod and/or the second connecting rod to limit a maximum included angle between the first connecting rod and the second connecting rod.
Optionally, the base is provided with a slide rail along a longitudinal direction, and the sliding seat is provided with a sliding block capable of sliding along the slide rail.
Drawings
Fig. 1 is a schematic structural diagram of a longitudinal positioning device provided in an embodiment of the present invention at a highest position;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of the longitudinal positioning device in a lowermost position;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a schematic view of the structure of the base;
FIG. 6 is a schematic view of the structure of the sliding seat;
fig. 7 is a partial structural schematic view of the longitudinal positioning device.
In the accompanying fig. 1-7, the reference numerals are illustrated as follows:
91-base, 911-slideway;
92-sliding seat, 921-first hinging seat, 922-sliding block;
93-hydraulic cylinder, 931-piston rod;
94-a lifting section;
95-positioning part, 951-beam, 9511-second hinge seat, 952-positioning block, 953-roller and 954-abutting plate;
96-oscillating bar;
97-limiting part, 971-first connecting rod, 972-second connecting rod.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-7, fig. 1 is a schematic structural view of a vertical positioning device provided in an embodiment of the present invention at a highest position; FIG. 2 is a front view of FIG. 1; FIG. 3 is a schematic view of the longitudinal positioning device in a lowermost position; FIG. 4 is a front view of FIG. 3; FIG. 5 is a schematic view of the structure of the base; FIG. 6 is a schematic view of the structure of the sliding seat; fig. 7 is a partial structural schematic view of the longitudinal positioning device.
The embodiment of the utility model provides a carry-on back car and use longitudinal positioning device, as shown in fig. 1-4, this longitudinal positioning device includes base 91, sliding seat 92, lift portion 94, drive division and location portion 95, wherein, drive division can drive sliding seat 92 along longitudinal sliding for base 91, lift portion 94 and location portion 95 are all located sliding seat 92, lift portion 94 can lift location portion 95, location portion 95 and the location structure of locating the lower terminal surface of the support portion of carry-on back car are adapted, when making it in the state of rising through lift portion 94 effect location portion 95, drive division can drive sliding seat 92 along longitudinal sliding for base 91, and drive location portion 95 locating sliding to locating the sliding seat 92 along longitudinal sliding to with locate the location structure cooperation of the lower terminal surface of support portion, then drive division continues the drive, and can promote the support portion through location portion 95 and location structure's cooperation, so that it is moved to a preset position in the longitudinal direction.
The longitudinal direction refers to the length direction of the piggyback car, the piggyback car can be driven to move to a preset position through the longitudinal positioning device, so that each body part and the support part respectively correspond to the arrangement positions of other loading and unloading car yard equipment (comprising an end underframe lifting device, a support part lifting device, a slope transition device and the like) arranged on a platform, and the loading and unloading are guaranteed to be carried out smoothly.
Specifically, the longitudinal positioning device is disposed in a track of a loading and unloading yard, a positioning structure is disposed on a lower end surface of the support part, the positioning structure is adapted to a limiting mechanism of the longitudinal positioning device provided in this embodiment, when the support part is located within a preset range after the piggyback car stops, the lifting part 94 of the longitudinal positioning device is started to make the positioning part 95 in a lifted state, at this time, the positioning part 95 and the positioning structure are at the same height, then the driving part is started, so that the sliding seat 92 drives the positioning part 95 to move longitudinally until the positioning part 95 is matched with the positioning structure on the lower end surface of the support part, then the driving part continues to drive and push the support part to move longitudinally to a preset position under the action of the positioning part 95 and the limiting structure, at this time, each end chassis and support part of the piggyback car correspond to the setting positions of other yard devices, then the end chassis and support part can be lifted by the end chassis lifting device, and lifting the supporting part by the supporting part lifting device to separate the supporting part from the end underframe, and then rotating or translating the supporting part and connecting the supporting part with the slope transition device to carry out loading and unloading operation.
That is to say, when the piggyback car reaches the loading and unloading yard and stops, the position of the support part is not necessarily at the preset position, but is within the preset distance range of the preset position, at this time, the longitudinal positioning device provided by the embodiment can push the support part, so that the support part can be moved longitudinally to the preset position to realize the precise positioning of the longitudinal positions of the end underframe and the support part, and the post-operation through the end underframe lifting device, the support part lifting device and the like is facilitated. This longitudinal positioning device's simple structure only needs to act through lift portion 94 and drive division for location portion 95 and the location structure cooperation of holding in the palm portion lower extreme terminal surface and to hold in the palm portion promote can, simple structure, stability are good.
The preset range is a range which is a certain distance away from the preset position, the longitudinal positioning device is fixedly arranged on the rail surface, when the position where the support part stops is in the preset range, the support part can be longitudinally positioned through the longitudinal positioning device, if the position exceeds the preset range, the action stroke of the longitudinal positioning device is exceeded, and the support part cannot reach the preset position. Specifically, when the stop positions of the end underframe and the support part are within the preset range, the stop positions may be at the front side of the preset position or at the rear side of the preset position, so that for the same loading and unloading goods yard, the longitudinal positions of each end underframe and each support part of the piggyback car can be adjusted to reach the preset position by arranging one or more groups of two longitudinal positioning devices which are oppositely arranged along the longitudinal direction, and the flexibility is better.
In the above embodiment, the positioning portion 95 includes the cross beam 951 and the positioning block 952 fixedly disposed on the cross beam 951, two ends of the cross beam 951 are respectively provided with the roller 953 capable of rolling along the lower end surface of the support portion, when the vehicle stops within the preset range, the positioning portion 95 and the positioning structure are in a disengaged state, then the lifting portion 94 acts on the positioning portion 95 to make the height of the positioning portion consistent with the height of the positioning structure, then the driving portion drives the sliding seat 92 to drive the positioning portion 95 to slide to the process matched with the positioning structure, the positioning portion 95 is in a sliding state relative to the support portion, and the arrangement of the roller 953 can reduce the sliding friction between the positioning portion 95 and the lower end surface of the support portion in the process, thereby reducing the friction and wear, and prolonging the service life.
As to the arrangement of the positioning block 952 and the positioning structure, there is no specific limitation, as shown in fig. 7, in this embodiment, the positioning portion 95 is a triangular positioning block 952, and correspondingly, the positioning structure may be a V-shaped notch or a recess of the transverse bracket of the holder, or the positioning block 952 may be a square block or a circular block.
In the above embodiment, the lifting portion 94 is an air spring provided on the sliding seat 92, and due to the action of the bogie spring, when the tray is in an unloaded state, the height of the lifting portion is the highest, and when the tray is loaded with road vehicles, the height of the lifting portion is lower than that of the unloaded state, therefore, when the lifting portion 94 is provided as an air spring, the height after being inflated can be elastically adjusted, and the device can be adapted to different height requirements of the tray in different states, and the applicability is better. Specifically, the lower end of the positioning portion 95 (the cross beam 951) may further be provided with an abutting plate 954 for abutting against the air spring, so as to increase the acting area between the two and improve the stability.
Further, the sliding seat 92 is further provided with a swinging member, the swinging member includes a hinged end and an actuating end, wherein the hinged end is hinged to the sliding seat 92, the top end of the air spring can push the actuating end to swing around the hinged end, and the beam 951 is fixedly arranged at the actuating end. That is, the air spring can push the operation end upward to rotate around the hinge end after being inflated, and when the air spring is exhausted, the operation end rotates around the hinge end and descends to the lowest position (as shown in fig. 3 and 4), and the arrangement of the swinging member can ensure the stability of the positioning portion 95 and simplify the whole structure.
Furthermore, the oscillating member includes two oscillating bars 96 arranged in parallel and at an interval, or in this embodiment, the oscillating member may be configured as a whole plate structure, one side of the plate structure is hinged to the sliding seat 92, and the other side is fixed to the cross beam 951, and the two oscillating bars 96 can simplify the overall structure and reduce the weight.
In the above embodiment, the driving portion includes the hydraulic cylinder 93 hinged to the base 91, the end of the piston rod 931 of the hydraulic cylinder 93 is hinged to the positioning portion 95, and the piston rod 931 of the hydraulic cylinder 93 pushes and pulls the positioning portion 95 so that the sliding seat 92 and the positioning portion 95 integrally slide in the longitudinal direction, or in this embodiment, the piston rod 931 of the hydraulic rod may act on the sliding seat 92, that is, directly push and pull the sliding seat 92 so that the sliding seat 92 drives the positioning portion 95 to slide in the longitudinal direction, and when the piston rod 931 of the hydraulic cylinder 93 is hinged to the positioning portion 95, when the piston rod 931 is in the retracted state, the portion of the hydraulic cylinder 93 is located above the sliding portion (between the two swing rods 96), and the distance between the end of the sliding seat 92 and the end of the base 91 may be reduced, thereby.
Or, in this embodiment, the driving portion may be configured to include a motor, a gear and a rack, or may be configured to include a motor, a screw and a nut, at this time, the driving portion may be fixedly disposed on the base 91 and directly act on the sliding seat 92 to enable the sliding seat to longitudinally slide relative to the base 91, and when the driving portion is configured to be the hydraulic cylinder 93, the overall structure may be simplified, and the stability is better.
In the above embodiment, the longitudinal positioning device further includes a limiting portion 97, the limiting portion 97 is used for limiting the lifting height of the action end, so that when the action end is lifted to the highest position (as shown in fig. 1 and fig. 2), the positioning portion 95 can be matched with the positioning structure of the support portion in the no-load state, and thus, when the air spring is inflated to push the positioning portion 95 upwards, the situation that the inflation spring is damaged due to too large inflation pressure can be avoided, and inflation protection is provided for the air spring.
Specifically, this spacing portion 97 includes first connecting rod 971 and second connecting rod 972 of mutual articulated setting, wherein, as shown in fig. 6 and 7, sliding seat 92 is equipped with first articulated seat 921, location portion 95 (crossbeam 951) is equipped with the articulated seat 9511 of second, the tip of first connecting rod 971 is articulated with first articulated seat 921, the tip of second connecting rod 972 is articulated with the articulated seat 9511 of second, lift portion 94 can drive second connecting rod 972 through the action end when going up and down location portion 95 and expand or fold for first connecting rod 971. That is, when the lifting unit 94 lifts and lowers the positioning unit 95, the angle between the two links (the first link 971 and the second link 972) changes, and when the angle between the two links is expanded to the maximum, the air spring is restrained. Alternatively, in this embodiment, the limiting portion 97 may be configured as a chain or a pull rope, and the air spring may be limited when the chain or the pull rope is in a straightened state. When the limiting portion 97 is hinged and foldable, the two connecting rods are folded after the air spring exhausts air, and the height of the two connecting rods is low, so that the descending of the positioning portion 95 is not hindered.
Further, this spacing portion 97 still includes the limit structure who locates first connecting rod 971 and/or second connecting rod 972, and this limit structure can restrict the biggest contained angle of pivoted between first connecting rod 971 and the second connecting rod 972, makes it be less than 180, so set up and can avoid the contained angle between two connecting rods to reach forming the dead point after 180, influence the decline of location portion 95. Specifically, one of the first link 971 and the second link 972 may be provided with a limiting structure, and when the two rotate to the maximum included angle, the limiting structure may abut against the other link to limit the another link to continue rotating, or the limiting structure may further include a limiting structure respectively disposed on the two links and adapted to each other, and when the included angle between the two reaches the maximum, the limiting structure may limit the another link to continue rotating.
In the above embodiment, as shown in fig. 5, the base 91 is provided with a slide rail 911 in the longitudinal direction, and the sliding seat 92 is provided with a slider 922 capable of sliding along the slide rail 911, specifically, as shown in fig. 6 and 7, in the present embodiment, the slide rail 911 is a slide groove provided in the base 91, and the edge of the sliding seat 92 is provided with the slider 922 capable of sliding along the slide groove and located in the slide groove, or the slide groove may be provided on the upper end surface of the base 91, and the lower end surface of the sliding seat 92 is provided with the slider 922 capable of sliding along the slide groove. Of course, in this embodiment, the slide 911 may be a strip-shaped hole or a slide rail arranged along the longitudinal direction, which is not limited in this respect.
Of course, in this embodiment, the slide way 911 may be disposed on the slide seat 92, the base 91 can slide along the slide way 911, and the slide seat 92 can slide relative to the base 91 because the base 91 is fixedly disposed on the rail surface. When the slide 911 is provided on the base 91, the sliding continuity of the sliding seat 92 can be ensured.
In addition, in this embodiment, the hinge connections between the above components may be implemented by pin shafts or round pins, and the pin shafts or round pins are limited by washers or cotter pins.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A longitudinal positioning device for a piggyback car is characterized by comprising a base (91), a sliding seat (92), a driving part, a lifting part (94) and a positioning part (95);
the driving part can drive the sliding seat (92) to slide along the longitudinal direction relative to the base (91);
the positioning part (95) and the lifting part (94) are arranged on the sliding seat (92), the positioning part (95) is matched with a positioning structure arranged on the lower end face of the support part of the piggyback car, and the lifting part (94) can lift the positioning part (95);
when the positioning part (95) is in a lifting state, the driving part can drive the sliding seat (92) to drive the positioning part (95) to slide along the longitudinal direction to be matched with the positioning structure, and push the support part to move along the longitudinal direction to a preset position.
2. The longitudinal positioning device for the piggyback car according to claim 1, wherein the positioning part (95) comprises a cross beam (951) and a positioning block (952) fixedly arranged on the cross beam (951), and rollers (953) capable of rolling along the lower end surface of the support part are respectively arranged at two ends of the cross beam (951).
3. The longitudinal positioning device for piggyback vehicles according to claim 2, wherein said elevating portion (94) is an air spring provided to said sliding seat (92).
4. The longitudinal positioning device for piggyback cars of claim 3, characterized in that said sliding seat (92) is further provided with a swing member, said swing member comprises a hinged end and an actuating end, said hinged end is hinged with said sliding seat (92), the top end of said air spring can push said actuating end to swing around said hinged end, said cross beam (951) is fixed at said actuating end.
5. The longitudinal positioning device for piggyback vehicles according to claim 4, wherein said oscillating member comprises two oscillating bars (96) arranged in parallel and spaced apart.
6. The longitudinal positioning device for piggyback vehicles according to claim 4, characterized in that the driving part comprises a hydraulic cylinder (93) hinged with the base (91), the end of a piston rod (931) of the hydraulic cylinder (93) is hinged with the positioning part (95).
7. The longitudinal positioning device for piggyback vehicles according to any one of claims 4 to 6, further comprising a limiting portion (97) provided on the sliding seat (92) for limiting the elevation height of the actuating end.
8. The longitudinal positioning device for the piggyback car according to claim 7, wherein the limiting portion (97) includes a first link (971) and a second link (972) hinged to each other, an end of the first link (971) is hinged to the sliding seat (92), an end of the second link (972) is hinged to the positioning portion (95), and the lifting portion (94) can drive the first link (971) to unfold or fold relative to the second link (972) through the action end when lifting the positioning portion (95).
9. The longitudinal positioning device for piggyback vehicles according to claim 8, wherein said limiting portion (97) further comprises a limiting structure provided to said first link (971) and/or said second link (972) to limit the maximum angle between said first link (971) and said second link (972).
10. The longitudinal positioning device for piggyback vehicles according to any one of claims 1 to 6, characterized in that the base (91) is provided with a slide (911) in the longitudinal direction, and the sliding seat (92) is provided with a slide block (922) capable of sliding along the slide (911).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020228396.6U CN211617691U (en) | 2020-02-28 | 2020-02-28 | Longitudinal positioning device for piggyback car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020228396.6U CN211617691U (en) | 2020-02-28 | 2020-02-28 | Longitudinal positioning device for piggyback car |
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| CN211617691U true CN211617691U (en) | 2020-10-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111301444A (en) * | 2020-02-28 | 2020-06-19 | 中车齐齐哈尔车辆有限公司 | Longitudinal positioning device for piggyback car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111301444A (en) * | 2020-02-28 | 2020-06-19 | 中车齐齐哈尔车辆有限公司 | Longitudinal positioning device for piggyback car |
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