Arresting and fixing device for railway flatcar

Abstract

The utility model discloses a stopping and fixing device for a railway flatcar, which comprises a bottom frame, rollers, a base plate, a vertical plate, a fixing rod, a sliding sleeve, a baffle plate, a raised line, a sliding hole, a groove, an annular groove, a positioning hole, a mounting hole, a positioning bolt, a pull rod, a spring, a convex block and a limiting rod, the sliding sleeve and the fixing rod are matched in a limiting mode through the protruding strip and the groove, the positioning bolt can be matched with the positioning hole or the annular groove under the action of the spring to achieve automatic positioning in the unfolded or folded state, the limiting rod is used for transversely limiting the baffle in the folded state, and the effects of being stable in stopping, compact in structure, capable of achieving automatic positioning, convenient to store and efficient in operation are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to railway flat car technical field, concretely relates to a railway flat car is with blocking fixing device. BACKGROUND

[0002] Railway flat car as a kind of freight vehicle without side plate or low side plate, in the process of freight transport, often face the problem such as material easy to slide in the process of loading, material falling off in the process of transfer. In order to ensure the stability of goods in the process of transportation and handling, blocking structure is usually set on the both sides of flat car, and material is positioned and fixed. However, the existing blocking device has many deficiencies in use.

[0003] At present, the blocking device structure fixed, not retractable, is long-term exposed on the both sides of base plate, not only affects material loading and unloading efficiency when not in use, but also is easy to interfere with mechanical equipment or personnel, there is certain security risk. Although some devices can be adjusted or retracted, the structure is complex, and the adjustment process relies on manual accurate alignment, so the efficiency is low, and the reliability is poor, and under the condition of frequent operation, it is easy to appear loose, falling off and other situations, affect service life.

[0004] In addition, the prior art fails to effectively combine positioning locking and angle adjustment functions, so that the blocking device is easy to rotate or axially slip after unfolding, cannot form stable and reliable material support, and limits the application flexibility of the device under various transportation conditions. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model aims at providing a railway flat car blocking fixing device, which can realize railway flat car blocking fixing device with simple structure, convenient operation, automatic limiting and stable unfolding function, to solve the actual problems in the prior art in terms of storage, unfolding, positioning and the like, and improve the safety and efficiency in the process of flat car material transportation.

[0006] To achieve the above object, the utility model provides the following technical scheme: a railway flat car blocking fixing device, including the chassis, the both sides of the bottom of chassis are rotatably installed with the roller, the top of chassis is fixed with the base plate, the edge of base plate is suspended, the both sides of the bottom of base plate are symmetrically provided with the vertical plate, and the same side two vertical plates are provided with the fixed rod between them;

[0007] The surface of fixed rod is slidably installed with the sliding sleeve, and the one side of sliding sleeve is provided with the baffle;

[0008] The surface center position of fixed rod is correspondingly provided with the convex strip, the both ends of convex strip are left with storage space between vertical plates, the surface of sliding sleeve is provided with the sliding hole matched with fixed rod, and the inner wall of sliding hole is symmetrically provided with the recess matched with convex strip.

[0009] Further, the baffle is perpendicular to the two sides of the base plate when it is unfolded, and is horizontally placed at the bottom of the base plate when it is stored.

[0010] Further, the fixing rod is uniformly provided with annular grooves at both ends along the axis, the distance between adjacent two annular grooves is consistent with the length of the sliding sleeve, and the lower surface of the fixing rod is uniformly provided with positioning holes along the axis.

[0011] Further, the sliding sleeve is provided with all mounting holes on the side away from the baffle, the positioning bolt is slidingly installed in the mounting hole, and the end of the positioning bolt penetrates the inner wall of the sliding hole.

[0012] Further, the end of the positioning bolt is matched with the inner size of the positioning hole when it is unfolded, and the end of the positioning bolt is matched with the inner size of the annular groove when it is stored.

[0013] Further, the positioning bolt is provided with a pull rod at one end, the pull rod penetrates the outer surface of the sliding sleeve, the surface of the pull rod is sleeved with all springs, and the springs apply a pushing force to the positioning bolt in the direction of the axis of the sliding hole.

[0014] Further, the base plate is symmetrically provided with protrusions at positions close to the center at both ends, the protrusions correspond to the positions of the vertical plates, one side of the protrusion close to the center is suspended and fixed with a limiting rod, and the limiting rod limits the plurality of baffle plates in the storage state.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a sliding sleeve structure is arranged on the bottom of the base plate, and the baffle can be rotatably unfolded on the sliding sleeve, when the baffle is in the vertical state, the effective lateral blocking of the material on the base plate can be formed, thereby solve the problem that the reliable limiting device is lacked in the transportation process of the existing railway flat car, and the material is easy to slide off, through the uniform unfolding of the plurality of baffle plates on the two sides of the base plate, a continuous blocking belt can be formed, and the stability of goods in the transportation process is improved.

[0017] The utility model discloses a recess and convex strip plug-in structure are set up, limit the rotation of sliding sleeve under the unfolded state, thereby enhanced the stability of the blocking baffle, solved the problem that the baffle is easy to rotate after being stressed in the prior art device, and the structural strength is insufficient, the cooperation mode can be positioned automatically in the unfolding process, improved the operation convenience and reliability, avoided the security hidden danger that the artificial alignment error caused.

[0018] The utility model discloses a structure is simple, and the automatic locking is realized in the unfolded state through setting up axial locating hole and annular groove, and the limiting and antiskid are completed in the storage state, solves the problem of the easy loosening and sliding of the storage structure in the prior art and causes the mistaken unfolding, and the structure can control the movement of the locating peg through the pull rod, and can be automatically docked without accurate alignment, improves the actual use efficiency and safety.

[0019] The utility model discloses the limit rod is set up at the bottom of the base plate, and the baffle in the storage state is transversely limited, so that the baffle always adheres to the lower surface of the base plate during the storage process, avoids swinging or falling, thereby solve the problem of unstable storage in the prior art and affect the loading and unloading of materials, and the design guarantees the compactness of the whole structure in the non-working state, improves the space utilization and operation safety of the both sides of the flat car. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is the bottom view three-dimensional structure schematic diagram of the utility model;

[0022] Figure 3 It is the base plate bottom view structure schematic diagram of the utility model;

[0023] Figure 4 It is the baffle structure schematic diagram of the utility model;

[0024] Figure 5 It is the baffle cross section structure schematic diagram of the utility model;

[0025] Figure 6 It is the baffle rotation structure schematic diagram of the utility model.

[0026] In the drawings, the component list represented by each sign is as follows: 1, underframe;2, gyro wheel;3, base plate;31, vertical plate;32, fixed rod;33, convex strip;34, locating hole;35, annular groove;36, convex block;37, limit rod;4, sliding sleeve;41, baffle;42, sliding hole;43, recess;44, mounting hole;5, locating peg;51, pull rod;6, spring. DETAILED DESCRIPTION

[0027] In order to make the purpose and the advantage of the utility model more clear and obvious, the following specific description is carried out to the utility model in combination with examples, and it should be understood that the following text only describes one or several specific implementation manners of the utility model, and does not strictly limit the protection scope of the utility model.

[0028] REFERENCE Figures 1-6As shown, a railway flat car blocking device, including the chassis 1, the chassis 1 bottom both sides are rotatably mounted with the roller 2, the roller 2 is connected with the chassis 1 through bearing structure, ensure the flexibility and stability of the whole device movement; The top of the chassis 1 is fixed with the base plate 3, the base plate 3 is made of steel structure plate, for supporting load or equipment, the edge of the base plate 3 is suspended to provide sufficient installation and movement space for the movable parts of the blocking device; The base plate 3 bottom both sides are symmetrically provided with the vertical plate 31, the vertical plate 31 is fixedly connected with the base plate 3 by welding, the fixed rod 32 is arranged between the vertical plate 31, and the both ends of the fixed rod 32 are connected with the corresponding vertical plate 31 through bolts to form a stable support structure; The fixed rod 32 is arranged at the bottom of the base plate 3, which can provide sliding and positioning reference surface for the blocking assembly.

[0029] The surface of the fixed rod 32 is slidably mounted with the sliding sleeve 4, the sliding sleeve 4 is movable and non-rotatable along the axis of the fixed rod 32, the sliding sleeve 4 is a metal sleeve structure, one side of which is provided with a baffle 41, the baffle 41 is a long strip-shaped metal structure, which is used to block the displacement of goods when it is vertically expanded, and is attached to the lower surface of the base plate 3 when it is horizontally stored; The surface of the fixed rod 32 is provided with a convex strip 33 at the center position, the convex strip 33 is a long strip-shaped protruding structure matched with the sliding sleeve 4, which has a guiding and anti-rotation function, and the both ends of the convex strip 33 leave a storage space between the vertical plates 31, which facilitates the sliding sleeve 4 to slide in and complete the storage action; The surface of the sliding sleeve 4 is provided with a sliding hole 42 matched with the fixed rod 32, the sliding hole 42 is an axial guide hole penetrating the sliding sleeve 4, which is used to realize the sliding installation of the sliding sleeve 4 on the fixed rod 32, and the inner wall of the sliding hole 42 is symmetrically provided with a groove 43 matched with the convex strip 33, the groove 43 and the convex strip 33 form a slot type limiting cooperation, which ensures the vertical stability of the sliding sleeve 4 in the expanded state.

[0030] Reference Figure 1 And Figure 2 As shown, the baffle 41 is vertically expanded on both sides of the base plate 3, and a plurality of baffles 41 form a vertical state by rotating the angle, which forms a circumferential blocking structure for the materials on the base plate 3, ensuring the stability of the materials during transportation; When the baffle 41 is stored, it is horizontally placed at the bottom of the base plate 3, and is attached to the lower surface of the base plate 3 by rotating, and the axial movement of the sliding sleeve 4 makes it enter the inside of the limiting rod 37, forming a compact storage state.

[0031] Reference Figure 2 And Figure 3As shown, the fixed rod 32 is uniformly provided with annular grooves 35 at both ends along the axis, the annular grooves 35 are a plurality of annular grooves for receiving and limiting the positioning pin 5, which has the function of preventing the sliding sleeve 4 from being axially displaced in the receiving state; the distance between the adjacent two annular grooves 35 is consistent with the length of the sliding sleeve 4, which ensures that each sliding sleeve 4 corresponds to a fixed receiving position; the lower surface of the fixed rod 32 is uniformly provided with positioning holes 34 along the axis, which is used to realize axial limiting and fixing through the cooperation of the positioning pin 5 when the baffle 41 is in the vertical unfolded state.

[0032] Referring to Figure 5 As shown, the sliding sleeve 4 is provided with all mounting holes 44 on the side away from the baffle 41, the mounting holes 44 provide sliding installation space for the positioning pin 5, the positioning pin 5 is a cylindrical structure with axial sliding ability, the end of the positioning pin 5 penetrates the inner wall of the sliding hole 42, and can enter the positioning hole 34 or the annular groove 35 according to the sliding position of the sliding sleeve 4, realizing the quick switching between the blocking state and the receiving state.

[0033] Referring to Figure 2 , Figure 5 and Figure 6 As shown, the end of the positioning pin 5 is adapted to the internal size of the positioning hole 34 when unfolded, and the insertion action is automatically completed by the pushing force provided by the spring 6, realizing the axial locking of the sliding sleeve 4 and preventing sliding during device use; when the positioning pin 5 is received, the end of the positioning pin 5 is adapted to the internal size of the annular groove 35, which prevents the sliding sleeve 4 from accidentally sliding in the folded state, while not affecting the rotating action of the baffle 41.

[0034] Referring to Figure 5 and Figure 6 As shown, the positioning pin 5 is provided with a pull rod 51 at one end, the pull rod 51 penetrates the outer surface of the sliding sleeve 4, the pull rod 51 is made of metal bar material, and the surface is sleeved with all springs 6, the spring 6 is installed in the limiting sleeve between the pull rod 51 and the sliding sleeve 4, which is used to exert a continuous pushing force on the positioning pin 5 in the direction of the axis of the sliding hole 42, ensuring that the positioning pin 5 is always in the pop-up state, providing automatic reset function in the adjustment and locking process, improving operation convenience and positioning reliability.

[0035] Referring to Figure 2 and Figure 3As shown, the two ends of the bottom of the substrate 3 are symmetrically provided with protrusions 36 near the center, the protrusions 36 adopt a square metal block structure, are fixed on the bottom of the substrate 3 by welding, form structural support points corresponding to the positions of the vertical plates 31, and enhance the rigidity of the bottom; the side of the protrusion 36 near the center is suspendedly fixed with a limiting rod 37, the limiting rod 37 is arranged in parallel along the edge of the substrate 3, the limiting rod 37 cooperates with the outer edge of the baffle 41 to provide a transverse limiting action when the baffle 41 is in a horizontal state and close to the storage position, prevent the multiple baffles 41 from swinging in the unused state, and ensure that the storage is neat, the structure is compact, and the operation is safe.

[0036] The working principle of the utility model is as follows: when not in use, the sliding sleeve 4 is moved to both ends along the axis of the fixed rod 32, and is rotated so that the baffle 41 is in a horizontal state and contacts the lower surface of the substrate 3, then the baffle 41 is slid into the inner side of the limiting rod 37 for limiting, and at the same time the positioning bolt 5 enters the corresponding annular groove 35 to prevent the sliding sleeve 4 from moving axially, so as to realize storage, so that there is no obstacle on both sides of the substrate 3, facilitating feeding and discharging;

[0037] When blocking and fixing are needed, the baffle 41 can be slid out of the range of the limiting rod 37 first, then rotated by 270°, so that the baffle 41 is rotated to both sides of the substrate 3 and is in a vertical state, at this time the positioning bolt 5 is directly below, then the sliding sleeve 4 is slid, so that the sliding sleeve 4 moves to the center position along the surface of the fixed rod 32, when moving the convex strip 33 enters the groove 43, so that the sliding sleeve 4 cannot rotate as a whole, remains vertical and has high strength, and the positioning bolt 5 and the corresponding positioning hole 34 are axially limited by cooperation, preventing the sliding sleeve 4 from sliding, after the multiple sliding sleeves 4 are evenly unfolded, the material on the substrate 3 can be blocked and fixed, when adjusting, the external pull rod 51 can be pulled to control the movement of the positioning bolt 5, and the internal spring 6 ensures that the abutting work is facilitated when the pushing force applied to the positioning bolt 5 is adjusted;

[0038] The pushing force of the spring 6 on the positioning bolt 5 can be accurately abutted when unfolding, the positioning bolt 5 can realize automatic cooperation with the positioning hole 34 in the sliding process of the sliding sleeve 4, and when storage, the end of the positioning bolt 5 is always placed in the annular groove 35, preventing axial movement and not affecting the angle adjustment of the baffle 41.

[0039] The above is only the preferred embodiment of the utility model, it should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should be regarded as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A railing fixing device for railway flatcars, comprising a base frame (1), wherein rollers (2) are rotatably mounted on both sides of the bottom of the base frame (1), and a base plate (3) is fixed on the top of the base frame (1), characterized in that: The edge of the substrate (3) is suspended. There are upright plates (31) symmetrically arranged on both sides of the bottom of the substrate (3). A fixing rod (32) is arranged between the two upright plates (31) on the same side. A sliding sleeve (4) is slidably mounted on the surface of the fixed rod (32), and a baffle (41) is provided on one side of the sliding sleeve (4). The center of the surface of the fixed rod (32) is provided with a protrusion (33), and there is a storage space between the two end plates (31) of the protrusion (33). The surface of the sliding sleeve (4) is provided with a sliding hole (42) that matches the fixed rod (32), and the inner wall of the sliding hole (42) is symmetrically provided with grooves (43) that match the protrusion (33).

2. The railing fixing device for railway flatcars according to claim 1, characterized in that: When the baffle (41) is unfolded, it is perpendicular to both sides of the substrate (3), and when the baffle (41) is folded up, it is placed horizontally at the bottom of the substrate (3).

3. The railing fixing device for railway flatcars according to claim 1, characterized in that: The fixed rod (32) has annular grooves (35) evenly opened at both ends along the axis. The distance between two adjacent annular grooves (35) is the same as the length of the sliding sleeve (4). The lower surface of the fixed rod (32) has positioning holes (34) evenly opened along the axis.

4. The railing fixing device for railway flatcars according to claim 3, characterized in that: All mounting holes (44) are opened on the side of the sliding sleeve (4) away from the baffle (41). A positioning bolt (5) is slidably installed inside the mounting hole (44), and the end of the positioning bolt (5) penetrates the inner wall of the sliding hole (42).

5. A railing fixing device for railway flatcars according to claim 4, characterized in that: When unfolded, the end of the positioning bolt (5) is adapted to the internal dimensions of the positioning hole (34), and when stored, the end of the positioning bolt (5) is adapted to the internal dimensions of the annular groove (35).

6. A railing fixing device for railway flatcars according to claim 5, characterized in that: One end of the positioning bolt (5) is provided with a pull rod (51), the pull rod (51) passes through the outer surface of the sliding sleeve (4), and all the springs (6) are fitted on the surface of the pull rod (51). The springs (6) apply a thrust to the positioning bolt (5) in the direction of the axis of the sliding hole (42).

7. The railing fixing device for railway flatcars according to claim 1, characterized in that: The substrate (3) has symmetrical protrusions (36) at both ends near the center of the bottom. The protrusions (36) correspond to the positions of the upright plate (31). A limit rod (37) is suspended and fixed on the side of the protrusion (36) near the center. The limit rod (37) limits the position of multiple baffles (41) in the storage state.

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