Portable door closer for railway open wagon

Abstract

The utility model provides a portable door closer for a railway open wagon, which comprises an operating rod, and a bending part is arranged at one end of the operating rod; a chain is arranged on the inner side of the bent part of the operating rod; a drag hook is arranged at the end part of the chain; an extension rod is arranged at one end of the operating rod away from the bent part; a threaded column is arranged at one end of the extension rod and located in the operating rod. A screw hole is formed in the operating rod and matched with the threaded column, and the threaded column is in threaded connection with the operating rod. When the door of the open wagon is closed, operation is more convenient, time and labor are saved, operation difficulty is lowered, and use by workers is more convenient. In the door closing process, the stability is good, unhooking and other situations are not prone to occurring, and therefore operation errors are not prone to occurring, and safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to open wagon door closing technology field, concretely relates to portable door closer of railway open wagon. BACKGROUND

[0002] Open wagon is one of railway wagon types, open wagon has no cover, contains four side plates, two side plates have openable side door, is used for unloading goods, open wagon main use is for transporting coal or ballast etc.

[0003] After open wagon completes coal transportation, needs to clean residual coal in open wagon, needs to close open wagon side door after residual coal cleaning work is completed, commonly adopts heavy tool such as crowbar, pick, hammer etc.

[0004] But present mode is inefficient, and needs two people to operate simultaneously to cooperate to close the door, and because the support point of crowbar is few at the door buckle, easy to operate mistake and hurt, and the safety is poor. UTILITY MODEL CONTENTS

[0005] The utility model mainly aims at providing portable door closer of railway open wagon, solves the problem of inconvenient operation when open wagon door is closed and security risk.

[0006] To solve the above technical problem, the technical scheme adopted by the utility model is:

[0007] Portable door closer of railway open wagon, including operating lever, one end of operating lever is equipped with bending part;

[0008] The inner side of the bending part of the operating lever is provided with a chain, and the end of the chain is provided with a drag hook.

[0009] In the preferred scheme, the end of the operating lever away from the bending part is provided with an extension rod;

[0010] One end of the extension rod is provided with a threaded column, and the threaded column is located in the interior of the operating lever;

[0011] The operating lever is provided with a screw hole, the screw hole is matched with the threaded column, and the threaded column is threadedly connected with the operating lever.

[0012] In the preferred scheme, the end of the threaded column away from the extension rod is provided with a plug-in column, and the plug-in column is located in the interior of the operating lever;

[0013] The operating lever is provided with a plug hole, and the plug hole is matched with the plug-in column;

[0014] The diameter of the plug-in column is less than the internal diameter of the screw thread of the threaded column.

[0015] In the preferred scheme, the chain and the operating lever are connected through a fixing block;

[0016] The chain and the drag hook are connected through a connecting rod.

[0017] In the preferred solution, a stabilizer is arranged at the pull hook, and the stabilizer is rotatably connected with the pull hook.

[0018] In the preferred solution, the stabilizer comprises two rotating shafts arranged opposite to the two sides of the pull hook, and a rotating sleeve is arranged at the rotating shaft, and a torsional spring is arranged between the rotating sleeve and the rotating shaft.

[0019] The rotating sleeve is provided with movable rods, and a limiting rod is arranged between the two movable rods, and the limiting rod is located at the side of the movable rod away from the rotating sleeve.

[0020] The end of the movable rod away from the rotating sleeve is located at the same side as the bending direction of the pull hook.

[0021] In the preferred solution, the end of the pull hook close to the chain is elongated, and a threaded groove is arranged.

[0022] A movable sleeve is sleeved on the pull hook, and the movable sleeve is threadedly connected with the pull hook through the threaded groove.

[0023] The two rotating shafts are arranged at the two sides of the movable sleeve.

[0024] In the preferred solution, the end of the bending part of the operating rod is provided with an adjusting mechanism for changing the length of the bending part.

[0025] In the preferred solution, the adjusting mechanism comprises a threaded hole arranged in the interior of the operating rod.

[0026] A threaded rod is threadedly connected with the threaded hole, and the end of the threaded rod is provided with a fixing plate.

[0027] In the preferred solution, the adjusting mechanism comprises a plurality of extension blocks, and the end of the extension block and the operating rod are both provided with a plug-in hole.

[0028] The other end of the extension block is provided with a plug-in block matched with the plug-in hole.

[0029] A magnet is arranged in the plug-in hole.

[0030] The utility model provides a portable door closer of railway open wagon, through adopting above scheme, has following beneficial effect:

[0031] 1, when closing open wagon door, it is more convenient to operate, saves time and energy, reduces operation difficulty, and is more convenient for staff to use.

[0032] 2, good stability in the process of closing door, and it is not easy to appear unhooking and the like, thereby not easy to operate mistake, and the safety is higher.

[0033] 3, can adjust according to actual working condition, adapts to different use demand, and the compatibility is higher. DRAWINGS

[0034] The utility model is further described below in combination with the drawings and embodiments.

[0035] Figure 1 It is a structure schematic diagram of the utility model;

[0036] Figure 2 It is a sectional structure schematic diagram of the utility model;

[0037] Figure 3 It is an embodiment structure schematic diagram of the utility model;

[0038] Figure 4 It is a structure schematic diagram of the stabilizing frame;

[0039] Figure 5 It is an embodiment structure schematic diagram of the utility model;

[0040] Figure 6 It is a structure schematic diagram of the extension block.

[0041] In the drawings:

[0042] Operating rod 1, extension rod 101, threaded column 102, plug-in column 103, chain 2, fixed block 201, connecting rod 202, pull hook 203, fixed plate 3, threaded hole 301, threaded rod 302, stabilizing frame 4, threaded groove 401, movable sleeve 402, rotating shaft 403, rotating sleeve 404, torsional spring 405, movable rod 406, limiting rod 407, extension block 5, plug-in hole 501, plug-in block 502, magnet 503. DETAILED DESCRIPTION

[0043] Embodiment 1:

[0044] As shown in Figure 1 and 2 The portable door closer for railway open wagon includes operating rod 1, one end of operating rod 1 is provided with a curved portion, the inner side of the curved portion of operating rod 1 is provided with chain 2, the end of chain 2 is provided with pull hook 203, chain 2 is connected with operating rod 1 through fixed block 201; chain 2 is connected with pull hook 203 through connecting rod 202; when using, the curved portion of operating rod 1 is placed on the corresponding position on the door of railway open wagon, pull hook 203 is hung on the bottom of the wagon compartment, then the tail end of operating rod 1 is lifted by the staff, the force is applied to the door of open wagon by using the principle of lever, and the door closing operation is assisted.

[0045] One end of operating rod 1 away from the curved portion is provided with extension rod 101; when the length of operating rod 1 is not enough, extension rod 101 can be additionally provided.

[0046] Specifically, one end of the extension rod 101 is provided with a threaded column 102 located inside the operating rod 1; the operating rod 1 is provided with a screw hole matched with the threaded column 102, the threaded column 102 is threadedly connected with the operating rod 1, the user screws the threaded column 102 into the inside of the screw hole, and the connection of the extension rod 101 and the operating rod 1 is completed, which can be disassembled, simple to operate, and suitable for different use requirements.

[0047] In a further embodiment, the threaded column 102 away from one end of the extension rod 101 is provided with a plug-in column 103 located inside the operating rod 1, the length of the extension rod 101 connected with the operating rod 1 is extended through the plug-in column 103, and the stability after connection is increased; the operating rod 1 is provided with a plug hole matched with the plug-in column 103; the diameter of the plug-in column 103 is smaller than the inner diameter of the screw thread of the threaded column 102, so that the plug-in column 103 can normally pass through the screw hole and enter the plug hole.

[0048] In a further embodiment, the end of the curved portion of the operating rod 1 is provided with an adjusting mechanism for changing the length of the curved portion, specifically, the adjusting mechanism includes a threaded hole 301 provided inside the operating rod 1; a threaded rod 302 is threadedly connected with the threaded hole 301, and the end of the threaded rod 302 is provided with a fixed plate 3; when it is necessary to adjust the length of the curved portion, the fixed plate 3 is twisted to drive the threaded rod 302 to rotate, so that the threaded rod 302 and the fixed plate 3 move radially along the threaded hole 301 to complete the adjustment, so as to adapt to different use requirements.

[0049] Embodiment 2:

[0050] As shown in Figure 3 and 4 , the stable frame 4 is provided at the pull hook 203 and is rotationally connected with the pull hook 203; after hooking the bottom of the gondola car, the stable frame 4 is used to abut against the gondola car, so that the stable frame 4 and the pull hook 203 cooperate to clamp the bottom edge of the gondola car, avoiding the pull hook 203 from unhooking, and ensuring the stability during work.

[0051] Specifically, the stable frame 4 includes two rotating shafts 403 oppositely arranged on both sides of the pull hook 203, the rotating shaft 403 is rotationally provided with a rotating sleeve 404, a torsional spring 405 is arranged between the rotating sleeve 404 and the rotating shaft 403, one end of the torsional spring 405 extends into the rotating sleeve 404, and the other end extends into the rotating shaft 403; the torsional spring 405 is always in a twisted state.

[0052] The rotating sleeve 404 is provided with two movable rods 406, a limiting rod 407 is arranged between the two movable rods 406, and the limiting rod 407 is located on the side of the movable rod 406 away from the rotating sleeve 404; the end of the movable rod 406 away from the rotating sleeve 404 is on the same side as the curved direction of the pull hook 203.

[0053] In use, the worker rotates the movable rod 406, and makes the movable rod 406 away from the draw hook 203, then hangs the draw hook 203 under the open wagon, then loosens the draw hook 203, and under the action of the torsional force of the torsional spring 405, sequentially drives the rotating sleeve 404 and the movable rod 406 to rotate, and makes the movable rod 406 abut against the open wagon, so that the fixing is completed, and after the work is completed, the draw hook 203 can be taken down by being pulled downward, so that the operation is simple, the stability during work is ensured, the draw hook is not easy to be unhooked, and the safety is higher; and when the movable rod 406 is not needed to be used, under the action of the torsional force, the limiting rod 407 is close to the draw hook 203, and the movable rod 406 is not in the state of being rotated out, so that the normal use of the draw hook 203 is not affected.

[0054] In a further embodiment, the draw hook 203 is extended near one end of the chain 2, and is provided with a threaded groove 401; the draw hook 203 is sleeved with a movable sleeve 402, the movable sleeve 402 is provided with a threaded groove body matched with the threaded groove 401, and the movable sleeve 402 is threadedly connected with the draw hook 203 through the threaded groove 401; two rotating shafts 403 are arranged on the two sides of the movable sleeve 402, when it is needed to adjust the distance between the movable rod 406 and the draw hook 203, the movable sleeve 402 is rotated to move along the draw hook 203, so that the positions of the movable sleeve 402, the rotating shafts 403, the rotating sleeve 404 and the movable rod 406 can be adjusted, different use conditions can be adapted, and the adaptability is better.

[0055] Embodiment 3:

[0056] As shown in Figure 5 and 6 , the end of the bending part of the operating rod 1 is provided with an adjusting mechanism for changing the length of the bending part, specifically, the adjusting mechanism comprises a plurality of extension blocks 5, one end of the extension block 5 and the operating rod 1 are both provided with a plug-in hole 501;

[0057] The other end of the extension block 5 is provided with a plug-in block 502, the plug-in block 502 is matched with the plug-in hole 501; the plug-in hole 501 is provided with a magnet 503, and the plug-in block 502 is made of a material that can be magnetically attracted, such as iron.

[0058] In use, according to the use requirement, the appropriate number and length of the extension block 5 are selected, and then Figure 5 are connected one by one, the plug-in block 502 is inserted into the plug-in hole 501 and is stably kept by the magnet 503, the operation is simple, and different use requirements can be met.

[0059] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limiting the present application, the protection scope of the present application should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features recorded in the claims as the protection scope. That is, the equivalent replacement improvement within this range is also within the protection scope of the present application.

Claims

1. A portable door closer for a railway gondola car, characterized by: The operating rod (1) is provided with a curved portion at one end thereof; The inner side of the curved portion of the operating rod (1) is provided with a chain (2), and the end of the chain (2) is provided with a draw hook (203).

2. The portable door closer for a railway gondola car of claim 1 wherein: The end of the operating rod (1) away from the curved portion is provided with an extension rod (101); One end of the extension rod (101) is provided with a threaded column (102), and the threaded column (102) is located in the interior of the operating rod (1); The operating rod (1) is internally provided with a screw hole which is matched with the threaded column (102), and the threaded column (102) is threadedly connected with the operating rod (1).

3. The portable door closer for a railway gondola car of claim 2 wherein: The end of the threaded column (102) away from the extension rod (101) is provided with a plug-in column (103), and the plug-in column (103) is located in the interior of the operating rod (1); The operating rod (1) is internally provided with a plug hole which is matched with the plug-in column (103); The diameter of the plug-in column (103) is smaller than the inner diameter of the screw thread of the threaded column (102).

4. The portable door retainer for a railway gondola car of claim 1 wherein: The chain (2) is connected with the operating rod (1) through a fixing block (201); The chain (2) is connected with the draw hook (203) through a connecting rod (202).

5. The portable door closer for a railway gondola car of claim 1 wherein: A stabilizing frame (4) is arranged at the draw hook (203), and the stabilizing frame (4) is rotationally connected with the draw hook (203).

6. The portable door retainer for a railway gondola car of claim 5 wherein: The stabilizing frame (4) comprises two rotating shafts (403) which are oppositely arranged at the two sides of the draw hook (203), the rotating shaft (403) is rotationally provided with a rotating sleeve (404), and a torsional spring (405) is arranged between the rotating sleeve (404) and the rotating shaft (403); The rotating sleeve (404) is provided with a movable rod (406), a limiting rod (407) is arranged between the two movable rods (406), and the limiting rod (407) is located at the side of the movable rod (406) away from the rotating sleeve (404); The end of the movable rod (406) away from the rotating sleeve (404) is located on the same side as the bending direction of the draw hook (203).

7. The portable door retainer for a railway gondola car of claim 6 wherein: The end of the draw hook (203) close to the chain (2) is elongated and provided with a threaded groove (401); The draw hook (203) is sleeved with a movable sleeve (402), and the movable sleeve (402) is threadedly connected with the draw hook (203) through the threaded groove (401); The two rotating shafts (403) are arranged at the two sides of the movable sleeve (402).

8. The portable door retainer for a railway gondola car of claim 1 wherein: The end of the curved portion of the operating rod (1) is provided with an adjusting mechanism for changing the length of the curved portion.

9. The portable door retainer for a railway gondola car of claim 8 wherein: The adjusting mechanism comprises a threaded hole (301) arranged in the interior of the operating rod (1); The threaded hole (301) is threadedly connected with a threaded rod (302), and the end of the threaded rod (302) is provided with a fixing plate (3).

10. The portable door closer for a railway gondola car of claim 8 wherein: The adjusting mechanism comprises a plurality of extension blocks (5), and one end of the extension block (5) and the interior of the operating rod (1) are both provided with a plug-in hole (501); The other end of the extension block (5) is provided with a plug-in block (502), and the plug-in block (502) is matched with the plug-in hole (501); The plug-in hole (501) is internally provided with a magnet (503).

Images