CN217598566U - Vehicle-mounted loading reinforcing device and railway vehicle - Google Patents

Abstract

The utility model provides a vehicle-mounted loads reinforcing apparatus and rail vehicle relates to rail vehicle technical field. The vehicle-mounted loading reinforcing device comprises a stop, wherein the stop comprises a mounting seat, a transverse stop structure and a longitudinal stop structure, the transverse stop structure and the longitudinal stop structure are respectively detachably arranged on the mounting seat, the transverse support structure is used for limiting the transverse displacement of cargos, the longitudinal stop structure is used for limiting the longitudinal displacement of the cargos, and the mounting seat is detachably connected with a frame of a railway vehicle; wherein the lateral displacement is a displacement of the cargo in a direction perpendicular to a traveling direction of the railway vehicle, and the longitudinal displacement is a displacement of the cargo in the traveling direction of the railway vehicle. The use flexibility of the stop is improved, the same railway vehicle can transport various types of goods, and the idle rate of the railway vehicle is reduced.

Description

Vehicle-mounted loading reinforcing device and railway vehicle

Technical Field

The utility model relates to a railway vehicle technical field particularly, relates to a reinforcing apparatus and railway vehicle are loaded to vehicle-mounted.

Background

At present, railway vehicles such as a railway large goods vehicle are common technical means for transporting engineering vehicles, when transporting engineering equipment, in order to keep the stability of the engineering vehicles in the transportation process, a reinforcing part needs to be welded and loaded on a frame of the railway large goods vehicle, so that the railway large goods vehicle can only transport the engineering vehicles matched with the reinforcing part, the variety of goods loaded on the railway large goods vehicle is single, the same railway large goods vehicle can not transport different types of engineering vehicles such as wheels or crawler-type engineering vehicles, and the idle rate of the railway vehicles is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be: in the related technology, a loading reinforcing part is welded on a frame of a railway long and large goods vehicle, so that the variety of goods loaded on the railway long and large goods vehicle is single.

In order to solve the above problems, in one aspect, the utility model provides a vehicle-mounted loading and reinforcing device, which comprises a stop, wherein the stop comprises a mounting seat, a transverse stop structure and a longitudinal stop structure, the transverse stop structure and the longitudinal stop structure are respectively detachably arranged on the mounting seat, the transverse support structure is used for limiting the transverse displacement of goods, the longitudinal stop structure is used for limiting the longitudinal displacement of the goods, and the mounting seat is detachably connected with a frame of a railway vehicle; wherein the lateral displacement is a displacement of the cargo in a direction perpendicular to a traveling direction of the railway vehicle, and the longitudinal displacement is a displacement of the cargo in the traveling direction of the railway vehicle.

The utility model discloses a vehicle-mounted loads reinforcing apparatus, through horizontal backstop structure and vertical backstop structure respectively with the dismantlement of mount pad be connected, and the mount pad can be dismantled with railway vehicle's frame and be connected, like this, when railway vehicle transports goods, can adjust the mounted position of backstop on the frame according to engineering vehicle's wheel interval or wheel width earlier, rethread adjusts the mounted position of horizontal backstop structure and vertical backstop structure on the mount pad so that the side butt of horizontal backstop structure and tire or track, vertical backstop structure and the front end or the rear end butt of tire or track, prevent that engineering vehicle from producing the displacement in horizontal and vertical, flexibility when not only can improving the backstop body and using, still make same railway vehicle can transport polytype goods, reduce the railway vehicle idle rate; when the railway vehicle does not need to transport goods, the stop can be detached from the frame and contained in the tool box on the frame, so that the stop can be conveniently loaded on the vehicle. Meanwhile, the stop can replace a stop structure which limits the displacement of the goods only from a single direction, and the universality of the stop is improved.

Optionally, the transverse stopping structure comprises a stopping plate and a mounting plate which are perpendicular to each other, the mounting plate is parallel to the mounting seat and detachably connected with the mounting seat, and the stopping plate is arranged at one end of the mounting plate facing the longitudinal stopping structure.

Optionally, the mounting plate is movably disposed on the mounting seat.

Optionally, the mounting plate is provided with a strip hole perpendicular to the stop plate, and the mounting plate is detachably connected with the mounting seat through a fastener at the strip hole.

Optionally, the mount includes a guard structure located between and connected to the lateral stop structure and the longitudinal stop structure.

Optionally, an adjusting screw is arranged on the mounting base, and the adjusting screw is connected with the longitudinal stopping structure and used for adjusting the mounting position of the longitudinal stopping structure on the mounting base.

Optionally, the stop further comprises a reinforcing rib, and the reinforcing rib is located on one side of the stop plate, which is far away from the longitudinal stop structure, and is respectively connected with the stop plate and the mounting plate.

Optionally, the vehicle-mounted loading reinforcement device further comprises a vertical pillar, the vertical pillar comprises a supporting piece and a pillar body, one end of the pillar body is connected with the supporting piece, and the other end of the pillar body is used for being connected with the vehicle frame.

Optionally, a guide structure is arranged on the support member, and the guide structure is located at the lower end of the support member and is connected with the pillar body in a sliding manner.

On the other hand, the utility model also provides a railway vehicle, include as above the vehicle-mounted loading reinforcing apparatus.

The railway vehicle has all the beneficial effects of the vehicle-mounted loading reinforcing device, and the details are not repeated here.

Drawings

FIG. 1 is a schematic structural view of a stopper according to an embodiment of the present invention;

FIG. 2 is a top view of a stopper according to an embodiment of the present invention;

FIG. 3 is a side view of a stop in an embodiment of the present invention;

FIG. 4 is a front view of a stopper according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a vertical column according to an embodiment of the present invention;

fig. 6 is a schematic view of the excavator transported by the railway vehicle in the embodiment of the present invention.

Description of reference numerals:

100-stop, 110-mounting seat, 111-protective structure, 112-adjusting screw rod, 120-transverse stop structure, 121-stop plate, 122-mounting plate, 1221-elongated hole, 130-longitudinal stop structure, 140-reinforcing rib, 200-vertical strut, 210-support member, 211-guide structure, 220-strut body, 1-excavator and 2-frame.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

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

In the description of the present specification, references to the description of the terms "an embodiment," "one embodiment," "some embodiments," "exemplary" and "one embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or embodiment of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

In the drawings, the Z-axis represents the vertical, i.e., up-down, position, and the positive direction of the Z-axis (i.e., the arrow direction of the Z-axis) represents up, and the negative direction of the Z-axis (i.e., the direction opposite to the positive direction of the Z-axis) represents down; in the drawings, the X-axis represents a horizontal direction and is designated as a left-right position, and a positive direction of the X-axis (i.e., an arrow direction of the X-axis) represents a right side and a negative direction of the X-axis (i.e., a direction opposite to the positive direction of the X-axis) represents a left side; in the drawings, the Y-axis indicates the front-rear position, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) indicates the rear side, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) indicates the front side; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

With reference to fig. 1 to 4, an embodiment of the present invention provides a vehicle-mounted loading reinforcement device, including a stopper 100, the stopper 100 includes a mounting seat 110, a transverse stopper structure 120 and a longitudinal stopper structure 130, the transverse stopper structure 120 and the longitudinal stopper structure 130 are detachably disposed on the mounting seat 110, the transverse stopper structure 120 is used for limiting a transverse displacement of a cargo, the longitudinal stopper structure 130 is used for limiting a longitudinal displacement of the cargo, and the mounting seat 110 is detachably connected to a frame 2 of a railway vehicle; wherein the transverse displacement is a displacement of the cargo in a direction perpendicular to the direction of travel of the railway vehicle, and the longitudinal displacement is a displacement of the cargo in the direction of travel of the railway vehicle.

In the present specification, the longitudinal displacement and the Y-axis direction are the same, and the lateral displacement and the X-axis direction are the same.

It will be appreciated that the specific number of stops 100 in use may be suitably selected according to actual needs.

Specifically, taking the mounting seat 110 as a plate-shaped structure as an example, the lower end surface of the mounting seat 110 is connected to the frame 2 of the railway vehicle, and the specific connection manner is not required, for example, the connection manner may be any connection manner such as clamping, bolt connection, and the like. The transverse stopping structures 120 and the longitudinal stopping structures 130 are respectively arranged on the upper end surface of the mounting seat 110, and are respectively detachably connected with the mounting seat 110. When the wheel spacing or the wheel width of the engineering vehicle is different, the positions of the transverse stopping structure 120 and the longitudinal stopping structure 130 on the mounting seat 110 can be adjusted after the stop 100 is detached to adjust the mounting position of the stop 100 on the frame 2, so as to adapt to the engineering vehicles with different wheel spacing or wheel width; when the railway vehicle transports the crawler-type engineering vehicle, the principle is consistent with that of transporting the wheeled engineering vehicle, and the position of the stop 100 on the frame 2 can be adjusted to be matched with the crawler-type engineering vehicle. When the railway vehicle does not need to transport cargo, the stopper 100 is removed.

Further, it is also possible to limit displacement of the cargo in the vertical direction by using the fastening chain.

In this way, the transverse stopping structure 120 and the longitudinal stopping structure 130 are detachably connected with the mounting seat 110 respectively, and the mounting seat 110 is detachably connected with the frame 2 of the railway vehicle, so that when the railway vehicle transports goods, the mounting positions of the stopping structures 100 on the frame 2 can be adjusted according to the wheel spacing or the wheel width of the engineering vehicle, and then the mounting positions of the transverse stopping structure 120 and the longitudinal stopping structure 130 on the mounting seat are adjusted to enable the transverse stopping structure 120 to be abutted against the side surface of the tire or the crawler belt and enable the longitudinal stopping structure 130 to be abutted against the front end or the rear end of the tire or the crawler belt, so that the engineering vehicle is prevented from being displaced in the transverse direction and the longitudinal direction, the flexibility of the stopping structures 100 in use can be improved, the same railway vehicle can transport various types of goods, and the idle rate of the railway vehicle is reduced; when the railway vehicle does not need to transport goods, the backstop 100 is only needed to be detached from the frame 2 and is stored in a tool box on the frame 2, and the vehicle-mounted loading of the backstop 100 is facilitated. Meanwhile, the stopper 100 can replace a stopper structure which limits the displacement of the goods only from a single direction, and the universality of the stopper 100 is improved.

Alternatively, as shown in fig. 2, the transverse stopping structure 120 includes a stopping plate 121 and a mounting plate 122, which are disposed perpendicular to each other, the mounting plate 122 is parallel to the mounting base 110 and is detachably connected to the mounting base 110, and the stopping plate 121 is disposed at an end of the mounting plate 122 facing the longitudinal stopping structure 130.

Specifically, the mounting plate 122 is disposed parallel to the mounting base 110 on the upper end surface of the mounting base 110 and may be connected to the mounting base 110 by a fastener such as a bolt, the stop plate 121 is perpendicular to the mounting plate 122, and the stop plate 121 is disposed at one end of the mounting plate 122 facing the longitudinal stop structure 130, i.e., the right end of the mounting plate 122. The front end of the stop plate 121 is connected to the mounting plate 122, and the rear end of the stop plate 121 extends along the Y axis in the negative direction.

Further, an elastic structure such as a rubber pad may be disposed on a left end surface (which may be understood as an end surface for contacting with the goods) of the stopper plate 121 to reduce friction with the goods.

Further, the lateral stopper 120 may also be formed by integral molding.

Thus, through the arrangement of the stop plate 121 and the mounting plate 122, the structure of the transverse stop structure 120 is simplified, and the processing is convenient; by providing the stop plate 121 at the end of the mounting plate 122 facing the longitudinal stop 130, the overall structure of the lateral stop 120 is compact, and a greater range of lateral displacement adjustment is achieved relative to the stop plate 121 at the end of the mounting plate 122 facing away from the longitudinal stop 130 (i.e., the left end of the mounting plate 122).

Alternatively, as shown in fig. 1 to 4, the mounting plate 122 is movably disposed on the mounting base 110.

Specifically, for example, the lower end of the mounting plate 122 is provided with a sliding block, and the upper end of the mounting base 110 is provided with a sliding slot, and the length direction of the sliding slot is consistent with the X axis. Thus, when the position of the mounting plate 122 on the mounting base 110 is adjusted, the mounting plate 122 is firstly moved to a proper position along the sliding chute through the sliding block and then locked, wherein a plurality of limiting grooves for limiting the movement of the sliding block can be arranged on any side wall (front wall or rear wall) of the sliding chute, the length direction of the limiting grooves is consistent with the Y axis, and the position of the mounting plate 122 is locked through the limiting grooves. The mounting plate 122 may be further provided with a long hole 1221 to be described later to realize the movement of the mounting plate 122 on the mounting seat 110, which will be described later in detail.

In this way, the mounting plate 122 is movably disposed on the mounting base 110, so that the efficiency of adjusting the position of the mounting plate 122 on the mounting base 110 is improved.

Alternatively, as shown in fig. 1 to 4, the mounting plate 122 is provided with a long hole 1221, the long hole 1221 is perpendicular to the stop plate 121, and the mounting plate 122 is detachably connected to the mounting base 110 at the long hole 1221 by a fastener.

Specifically, for example, two elongated holes 1221 are provided, two elongated holes 1221 are arranged in parallel to each other on the mounting plate 122, the elongated holes 1221 are arranged perpendicular to the stopper plate 121, that is, the length direction of the two elongated holes 1221 is parallel to the X axis, and the mounting plate 122 is detachably connected to the mounting base 110 at the positions of the two elongated holes 1221 by bolts, nuts, screws, or other fasteners. When adjusting the lateral position of the mounting plate 122 on the mounting base 110, the connection between the mounting plate 122 and the mounting base 110 may be released by the fastener, for example, when the fastener is a bolt and a nut, the nut is loosened to allow the mounting plate 122 to move relative to the mounting base 110. Then, the mounting plate 122 is moved along the length direction of the elongated hole 1221, so that the mounting plate 122 is prevented from shifting to some extent during the moving process of the mounting plate 122 (it can be understood that an included angle occurs between the stop plate 121 and the XZ axis plane).

Thus, the elongated hole 1221 guides the movement of the mounting plate 122, and improves the movement stability of the mounting plate 122.

Optionally, as shown in fig. 1 to 4, the mounting base 110 includes a guard structure 111, and the guard structure 111 is located between the lateral stop structure 120 and the longitudinal stop structure 130 and connected to the lateral stop structure 120.

Specifically, the protective structure 111 is provided as a plate-shaped structure, the lower end of the protective structure 111 is connected to the mounting seat 110, the upper end of the protective structure 111 extends upward, and the protective structure 111 is disposed between the stop plate 121 and the longitudinal stop structure 130, and is detachably connected to the stop plate 121 by bolts or the like. When the rear end of the stop plate 121 limits the goods from moving in the positive direction along the X-axis, the front end of the stop plate 121 has a tendency to move in the negative direction along the X-axis under the influence of the force of the goods, and then the stop plate 121 is deformed, and the protective structure 111 counteracts the deformation of the stop plate 121, for example, when the deformation of the front end of the stop plate 121 is too large, the joint between the stop plate 121 and the mounting plate 122 is broken.

Thus, the protection structure 111 is connected with the transverse stopping structure 120, so that the structural stability of the stopping plate 121 is improved, and the use reliability of the transverse stopping structure 120 is further improved. Also, by disposing the shielding structure 111 between the lateral stopper structure 120 and the longitudinal stopper structure 130, the possibility of collision or interference with the longitudinal stopper structure 130 when the stopper plate 121 is deformed is reduced.

Optionally, as shown in fig. 1 to fig. 3, an adjusting screw 112 is disposed on the mounting base 110, and the adjusting screw 112 is connected to the longitudinal stopping structure 130 and is used for adjusting a mounting position of the longitudinal stopping structure 130 on the mounting base 110.

Specifically, the longitudinal stopping structure 130 includes two plate-shaped structures disposed in an inclined manner, wherein a first plate is parallel to the mounting base 110, the first plate is movably disposed at the upper end of the mounting base 110, the moving direction is the same as the Y-axis, the adjusting screw 112 is disposed on the mounting base 110 along the moving direction of the first plate, and supports for supporting the adjusting screw 112 are respectively disposed on the first plate and the mounting base 110. When the adjusting spindle 112 is rotated, the longitudinal stop 130 is adjusted to the front and rear position on the mounting base 110.

Therefore, the arrangement of the adjusting screw 112 simplifies the connection structure between the longitudinal stopping structure 130 and the mounting base 110, and realizes self-locking after the position of the longitudinal stopping structure 130 is adjusted by adjusting the screw 112, thereby improving the reliability of the position adjustment of the longitudinal stopping structure 130.

Optionally, as shown in fig. 1, the stopper 100 further includes a reinforcing rib 140, and the reinforcing rib 140 is located on a side of the stopper plate 121 facing away from the longitudinal stopper 130 and is connected to the stopper plate 121 and the mounting plate 122, respectively.

Specifically, the reinforcing rib 140 is a plate-shaped structure, the reinforcing rib 140 is located on a side of the stopper plate 121 facing away from the longitudinal stopper structure 130, that is, on a right side of the stopper plate 121, and the reinforcing rib 140 is connected to the stopper plate 121 and the mounting plate 122, respectively. When the goods move transversely, the connection part of the stop plate 121 and the mounting plate 122 has a relative distancing trend, and the reinforcing ribs 140 eliminate the distancing trend to a certain extent.

Thus, the reinforcing ribs 140 are respectively connected with the stopper plates 121 and the mounting plate 122, and the stability of connection between the stopper plates 121 and the mounting plate 122 is improved. Meanwhile, the reinforcing rib 140 is located on a side of the stop plate 121 facing away from the longitudinal stop structure 130, and has a function of assisting the above-mentioned protection structure 111 to reduce the possibility of deformation of the stop plate 121.

Optionally, as shown in fig. 5 and fig. 6, the on-board loading reinforcement device further includes a vertical pillar 200, the vertical pillar 200 includes a supporting member 210 and a pillar body 220, one end of the pillar body 220 is connected to the supporting member 210, and the other end of the pillar body 220 is used for being connected to the frame 2.

Specifically, the pillar body 220 is vertically disposed at the upper end of the frame 2, and the lower end of the pillar body 220 is detachably connected to the frame 2. The supporting member 210 is a plate-shaped structure, and the supporting member 210 is movably disposed at the upper end of the pillar body 220, wherein the moving manner of the supporting member 210 is not specifically required, for example, a screw rod is disposed at the lower end of the supporting member 210, and two ends of the screw rod are respectively connected to the supporting member 210 and the pillar body 220. When the excavator 1 is transported by the railway vehicle, the vertical column 200 is positioned under the body of the excavator 1 (e.g., the counterweight of the excavator 1), and then connected to the frame 2 of the railway vehicle through the lower end of the column body 220, and then the support member 210 is moved upward until the upper end of the support member 210 abuts against the body of the excavator 1. When the height of the body of the excavator 1 is different, the position of the support member 210 in the vertical direction can be adjusted according to actual requirements to match the height of the body of different types of excavators 1, thereby limiting the displacement of the excavator 1 in the vertical direction.

So, vertical pillar 200's setting makes rail vehicle realize the transportation to excavator 1 to through the regulation of support piece 201 upper and lower position, improved vertical pillar 200's suitability. Further, when the transport of the excavator 1 is not required, the on-vehicle loading of the vertical column 200 can be achieved by removing and on-vehicle storing the vertical column 200.

Optionally, as shown in fig. 5, a guide structure 211 is disposed on the supporting member 210, and the guide structure 211 is disposed at a lower end of the supporting member 210 and is slidably connected to the pillar body 220.

Specifically, the guiding structure 211 is configured as a rod-shaped structure, the guiding structure 211 is located on the lower end surface of the supporting member 210, and the supporting member 210 is slidably connected to the pillar body 220 through the guiding structure 211.

In this way, the movement of the support member 210 is guided by the guide structure 211, and the movement stability of the support member 210 is improved. Further, when the body of the excavator 1 moves left and right or back and forth, the guide structure 211 may also restrict the lateral or longitudinal movement of the support member 210 to some extent to improve the structural strength of the support member 210.

Another embodiment of the present invention provides a railway vehicle, comprising the onboard loading reinforcement device as described above.

The railway vehicle has all the beneficial effects of the vehicle-mounted loading reinforcing device, and the details are not repeated herein.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. An on-board loading reinforcement device is characterized by comprising a stop (100), wherein the stop (100) comprises a mounting seat (110), a transverse stop structure (120) and a longitudinal stop structure (130), the transverse stop structure (120) and the longitudinal stop structure (130) are respectively detachably arranged on the mounting seat (110), the transverse stop structure (120) is used for limiting the transverse displacement of cargos, the longitudinal stop structure (130) is used for limiting the longitudinal displacement of the cargos, and the mounting seat (110) is used for being detachably connected with a frame (2) of a railway vehicle; wherein the lateral displacement is a displacement of the cargo in a direction perpendicular to a traveling direction of the railway vehicle, and the longitudinal displacement is a displacement of the cargo in the traveling direction of the railway vehicle.

2. The on-board loading reinforcement according to claim 1, characterized in that the transverse stop structure (120) comprises a stop plate (121) and a mounting plate (122) arranged perpendicular to each other, the mounting plate (122) being parallel to the mounting seat (110) and being detachably connected with the mounting seat (110), the stop plate (121) being arranged at an end of the mounting plate (122) facing the longitudinal stop structure (130).

3. The on-board loading fixture of claim 2, wherein the mounting plate (122) is movably disposed on the mounting base (110).

4. The vehicle load reinforcement according to claim 3, wherein the mounting plate (122) is provided with a slot (1221), the slot (1221) is perpendicular to the stop plate (121), and the mounting plate (122) is detachably connected to the mounting seat (110) at the slot (1221) by a fastener.

5. An on-board loading reinforcement according to claim 1, characterized in that the mounting seat (110) comprises a guard structure (111), the guard structure (111) being located between a lateral stop structure (120) and a longitudinal stop structure (130) and being connected to the lateral stop structure (120).

6. The vehicle-mounted loading reinforcement device according to claim 1, wherein an adjusting screw (112) is disposed on the mounting seat (110), and the adjusting screw (112) is connected to the longitudinal stopping structure (130) and is used for adjusting a mounting position of the longitudinal stopping structure (130) on the mounting seat (110).

7. On-board load reinforcement according to claim 3, wherein the stop (100) further comprises a reinforcement rib (140), the reinforcement rib (140) being located at a side of the stop plate (121) facing away from the longitudinal stop structure (130) and being connected to the stop plate (121) and the mounting plate (122), respectively.

8. The on-board loading reinforcement device according to claim 1, further comprising a vertical column (200), wherein the vertical column (200) comprises a support member (210) and a column body (220), one end of the column body (220) is connected to the support member (210), and the other end of the column body (220) is used for connecting to the frame (2).

9. The on-board loading reinforcement device according to claim 8, wherein a guide structure (211) is disposed on the support member (210), and the guide structure (211) is located at a lower end of the support member (210) and is slidably connected to the pillar body (220).

10. A railway vehicle comprising an on-board reinforcement device as claimed in any one of claims 1 to 9.

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