CN212953918U - Bridge crane cross rail locking device - Google Patents
Bridge crane cross rail locking device Download PDFInfo
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- CN212953918U CN212953918U CN202021658509.2U CN202021658509U CN212953918U CN 212953918 U CN212953918 U CN 212953918U CN 202021658509 U CN202021658509 U CN 202021658509U CN 212953918 U CN212953918 U CN 212953918U
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Abstract
The utility model discloses a bridge crane cross-track locking device, which comprises an inserting part fixed on the end part of a girder and an inserting sleeve fixed on the end part of a fixed beam, wherein the inserting part comprises a main inserting plate and two guide columns, the front end parts of the guide columns are hemispherical, the front ends of the guide columns are also provided with a circle of concave limiting rings, and the inserting sleeve consists of a first inserting sleeve and two second inserting sleeves; the top of first grafting cover still is fixed with first cylinder, two the second grafting is sheathe in and all has the guiding hole corresponding with the guide post, the rear end still array has many flexible posts in the guiding hole, each the tip of flexible post still respectively welds there is a spacing ball, the utility model discloses simple structure, the operation of being convenient for have stronger fault-tolerant error correction ability, safe and reliable.
Description
Technical Field
The utility model relates to a bridge crane crosses rail locking device.
Background
The patent with publication number CN2839217Y discloses a crane cross-rail locking device, which adopts the lever principle to realize the connection and fixation of a main beam and a fixed beam; the over-rail locking device with the structure is inconvenient to operate, the connection mode is not stable enough, and particularly under the condition that the centering precision is poor before the main beam and the fixed beam are connected, the fault-tolerant error correction capability of the structure is poor, and accidents are easy to happen.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of above-mentioned prior art, provide a bridge crane crosses rail locking device.
The technical scheme of the utility model is that: a bridge crane cross-rail locking device comprises an insertion part fixed on the end part of a main beam and an insertion sleeve fixed on the end part of a fixed beam;
the inserting part comprises a main inserting plate and two guide columns, the main inserting plate is a flat plate body, the other end of the main inserting plate is an inserting end, a limiting hole is formed in the inserting end, the end part of the inserting end is an arc transition end, the end part of the front end of each guide column is hemispherical, and the front end of each guide column is also provided with a circle of concave limiting rings;
the plug bush consists of a first plug bush and two second plug bushes;
the first inserting sleeve is fixed at the top of the fixed beam, an inserting groove corresponding to the main inserting plate is formed in the middle of the first inserting sleeve, a first air cylinder is further fixed at the top of the first inserting sleeve, and a through hole for inserting or returning a piston rod of the air cylinder is further formed in the top of the first inserting sleeve;
two the second plug bush all has the guiding hole corresponding with the guide post, the opening part of guide hole is the arc transition, the back end still array has many flexible posts in the guide hole, each flexible post passes through spring telescopic connection in the fixed slot that corresponds, the tip of each flexible post still respectively welds a spacing ball, the diameter of spacing ball corresponds with the spacing ring.
Furthermore, a first fixing seat is fixed at the top end of the end part of the main beam, one end of the main insertion plate is fixed on the first fixing seat, second fixing seats are respectively fixed on two sides of the main beam, and the two guide columns are respectively fixed on the two second fixing seats.
Furthermore, the length of the guide post is greater than that of the main plugboard, and the front end of the guide post is positioned in front of the front end of the main plugboard.
Furthermore, a cushion block is arranged in each of the two guide holes.
Furthermore, the top of the limiting hole of the main insertion plate is horn-shaped.
Furthermore, the first fixing seat, the second fixing seat, the first plug bush and the second plug bush are fixed on the main beam or the fixed beam respectively through fixing bolts.
Furthermore, a slot is formed in the first fixing seat, two rows of fixing holes are further formed in the top of the first fixing seat, the two rows of fixing holes are communicated with the slot, two rows of pin holes corresponding to the fixing holes are formed in the main plug board, the main plug board is inserted into the slot and is positioned through the fixing pins, one row of limiting holes are formed in the limiting holes, and the limiting holes are arranged at equal intervals.
Furthermore, the bottom of the end part of the fixed beam is also provided with a trolley slipping-out preventing mechanism, the trolley slipping-out preventing mechanism is composed of a second cylinder, a pressure sensor and a control circuit board, the second cylinder and the controller are fixed in a fixed groove in the bottom of the fixed beam, the pressure sensor is located on the end face, facing the main beam, of the fixed beam, and the second cylinder, the pressure sensor and the control circuit board are connected.
The utility model has the advantages that: the utility model has simple structure and convenient operation, the connection mode of the main beam and the fixed beam is more reliable after locking, and the locking and unlocking of the main beam and the fixed beam can be realized only by controlling the extension and retraction of the first cylinder; and simultaneously, the utility model discloses still have stronger fault-tolerant error correction ability, safe and reliable.
Drawings
FIG. 1 is a schematic side view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Referring to fig. 1 and 2, a bridge crane cross-rail locking device comprises an insertion part fixed on the end of a main beam 1 and an insertion sleeve fixed on the end of a fixed beam 2;
the inserting part comprises a main inserting plate 3 and two guide columns 4;
the main plugboard 3 is a flat plate body, a first fixing seat 5 is fixed at the top end of the end part of the main beam 1, one end of the main plugboard 3 is fixed on the first fixing seat 5, the other end of the main plugboard 3 is a pluging end, a limiting hole is formed in the pluging end, and the end part of the pluging end is an arc transition end so as to be smoothly inserted;
two sides of the main beam 1 are respectively fixed with a second fixing seat 6, the two guide posts 4 are respectively fixed on the two second fixing seats 6, the front end parts of the guide posts 4 are hemispherical, and the front ends of the guide posts 4 are provided with a circle of concave limiting rings 7;
the plug bush consists of a first plug bush 8 and two second plug bushes 9;
the first plug bush 8 is fixed at the top of the fixed beam 2, a plug groove corresponding to the main plug board 3 is formed in the middle of the first plug bush 8, a first air cylinder 10 is further fixed at the top of the first plug bush 8, a through hole for inserting or returning a piston rod of the air cylinder is further formed in the top of the first plug bush 8, and after the main plug board 3 is inserted into the plug groove, the piston rod of the first air cylinder 10 extends downwards to be inserted into the limiting hole to limit the main plug board 3;
the two second plug-in sleeves 9 are provided with guide holes 11 corresponding to the guide posts 4, as shown in fig. 3, the openings of the guide holes 11 are in arc transition, so that the connection between the guide posts 4 and the guide holes 11 has a certain fault-tolerant range, and the guide posts 4 can be smoothly inserted into the guide holes 11; a plurality of telescopic columns 12 are further arrayed at the rear end in the guide hole 11, each telescopic column 12 is telescopically connected into a corresponding fixing groove 14 through a spring 13, a limiting ball 15 is welded at the end part of each telescopic column 12, and the diameter of each limiting ball 15 corresponds to that of the limiting ring 7; the two guide posts 4 are respectively inserted into the corresponding guide holes 11, and the limiting ball 15 is clamped into the limiting ring 7 to limit the guide posts 4; the limiting ball 15 only plays a role in auxiliary limiting so as to improve the stability of the connection between the main plugboard 3 and the first plugboard 8, and if the main beam 1 is started and is far away from the fixed beam 2, the limiting ball 15 can slide out of the limiting ring 7 under the action of external force, and the guide column 4 can smoothly slide out of the guide hole 11;
the length of the guide post 4 is greater than that of the main plugboard 3, the front end of the guide post 4 is positioned in front of the front end of the main plugboard 3, and when the main beam 1 is connected with the fixed beam 2, the guide post 4 is firstly contacted and connected with the second plugboard 9 so as to ensure that the main plugboard 3 can be smoothly inserted into the first plugboard 8;
the two guide holes 11 are internally provided with a cushion block 16 which has a buffer function on one hand to avoid rigid collision between the guide post 4 and the second inserting groove, and on the other hand is used for limiting the length of the inserting slot of the main inserting plate 3 so as to enable the position of the limiting hole of the main inserting plate 3 to correspond to the position of the first air cylinder 10;
in order to improve the fault tolerance rate, the top of the limiting hole of the main plugboard 3 is horn-shaped;
the first fixed seat 5, the second fixed seat 6, the first plug-in sleeve 8 and the second plug-in sleeve 9 are fixed on the main beam 1 or the fixed beam 2 respectively through fixed bolts;
the second plug sleeve 9 consists of two half pieces so as to facilitate the installation of each telescopic column 12;
the first fixing seat 5 is provided with an inserting groove, the top of the first fixing seat 5 is also provided with two rows of fixing holes, the two rows of fixing holes are communicated with the inserting groove, the main plugboard 3 is provided with two rows of pin holes corresponding to the fixing holes, the main plugboard 3 is inserted into the inserting groove and is positioned by the fixing pins, the limiting holes are also arranged in one row, all the limiting holes are arranged at equal intervals, and through the structure and replacement of the cushion blocks 16 with corresponding thicknesses, the extension length of the main plugboard 3 can be adjusted, so that the distance between the end parts of the main beam 1 and the fixing beam 2 can be adjusted, and the lifting trolley can adapt to pass through with smaller wheel diameters;
the bottom of the end part of the fixed beam 2 can be further provided with a trolley slipping-out prevention mechanism, the trolley slipping-out prevention mechanism consists of a second air cylinder 17, a pressure sensor 18 and a control circuit board 19, the second air cylinder 17 and the controller are fixed in a fixed groove at the bottom of the fixed beam 2, the pressure sensor 18 is positioned on the end face, facing the main beam 1, of the fixed beam 2, the second air cylinder 17, the pressure sensor 18 and the control circuit board 19 are electrically connected, and a piston rod of the second air cylinder 17 is positioned in the fixed groove when in a contraction state; when the pressure sensor 18 senses the end face of the main beam 1, the piston rod of the second cylinder 17 is in a contraction state, and the trolley can smoothly pass through; when the pressure sensor 18 cannot sense the main beam 1, namely the main beam 1 is separated from the fixed beam 2, the piston rod of the second cylinder 17 extends out, and the trolley cannot pass through the end part of the fixed beam 2, so that the trolley is prevented from sliding down; in the above structure, the second cylinder 17, the pressure sensor 18 and the control circuit board 19 are all in the prior art, and the specific control method of the control circuit board 19 can be realized by simple programming, which should be known and skilled for those skilled in the automation field, and will not be described again.
The utility model discloses a theory of operation is: when the main beam 1 is connected with the fixed beam 2, the end parts of the two guide posts 4 are positioned in front of the main plugboard 3, and the end parts of the two guide posts 4 are firstly abutted against the second plugboard 9, even if the centering precision of the main beam 1 and the fixed beam 2 is not very accurate, the guide posts 4 can still be smoothly inserted into the guide holes 11 because the end parts of the guide posts 4 are hemispherical and the openings of the guide holes 11 are in arc transition, so that the main beam 1 and the fixed beam 2 are centered, and the main plugboard 3 is inserted into the plugboard; the guide post 4 is further inserted into the guide hole 11, the front end of the guide post is abutted against the cushion block 16, the limiting ball 15 is clamped into the limiting ring 7, the guide post 4 is limited, at the moment, the limiting hole of the main plugboard 3 is positioned right below the piston rod of the first air cylinder 10, the piston rod of the second air cylinder 17 extends out of the limiting hole to limit the main plugboard 3, the main beam 1 and the fixed beam 2 are connected and locked, and the crane trolley can smoothly pass through a rail; after the trolley passes through the rail, the piston rod of the first cylinder 10 retracts, the main beam 1 is separated from the fixed beam 2, the pressure sensor 18 cannot sense the main beam 1, and the piston rod of the second cylinder 17 extends out, so that the trolley is prevented from sliding down.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a bridge crane crosses rail locking device which characterized in that: comprises a plug part fixed on the end part of a main beam and a plug sleeve fixed on the end part of a fixed beam;
the inserting part comprises a main inserting plate and two guide columns, the main inserting plate is a flat plate body, the other end of the main inserting plate is an inserting end, a limiting hole is formed in the inserting end, the end part of the inserting end is an arc transition end, the end part of the front end of each guide column is hemispherical, and the front end of each guide column is also provided with a circle of concave limiting rings;
the plug bush consists of a first plug bush and two second plug bushes;
the first inserting sleeve is fixed at the top of the fixed beam, an inserting groove corresponding to the main inserting plate is formed in the middle of the first inserting sleeve, a first air cylinder is further fixed at the top of the first inserting sleeve, and a through hole for inserting or returning a piston rod of the air cylinder is further formed in the top of the first inserting sleeve;
two the second plug bush all has the guiding hole corresponding with the guide post, the opening part of guide hole is the arc transition, the back end still array has many flexible posts in the guide hole, each flexible post passes through spring telescopic connection in the fixed slot that corresponds, the tip of each flexible post still respectively welds a spacing ball, the diameter of spacing ball corresponds with the spacing ring.
2. The bridge crane cross rail locking device according to claim 1, wherein: the end part top of girder is fixed with first fixing base, the one end of main plugboard is fixed on first fixing base, the both sides of girder still respectively are fixed with the second fixing base, two the guide post is fixed respectively on two second fixing bases.
3. The bridge crane cross rail locking device according to claim 2, wherein: the length of guide post is greater than the length of main plugboard, the front end of guide post is located the place ahead of main plugboard front end.
4. The bridge crane cross rail locking device according to claim 3, wherein: and a cushion block is arranged in each guide hole.
5. The bridge crane cross rail locking device according to claim 4, wherein: the top of the limiting hole of the main plugboard is horn-shaped.
6. The bridge crane cross rail locking device according to claim 5, wherein: the first fixing seat, the second fixing seat, the first plug-in sleeve and the second plug-in sleeve are fixed on the main beam or the fixed beam respectively through fixing bolts.
7. The bridge crane cross rail locking device according to claim 6, wherein: the first fixing seat is provided with a slot, the top of the first fixing seat is also provided with two rows of fixing holes, the two rows of fixing holes are communicated with the slot, the main plug board is provided with two rows of pin holes corresponding to the fixing holes, the main plug board is inserted into the slot and is positioned through the fixing pins, the limiting holes are also arranged in one row, and the limiting holes are arranged at equal intervals.
8. The bridge crane cross rail locking device according to claim 1, wherein: the trolley anti-sliding mechanism is further arranged at the bottom of the end portion of the fixed beam and consists of a second cylinder, a pressure sensor and a control circuit board, the second cylinder and the controller are fixed in a fixed groove in the bottom of the fixed beam, the pressure sensor is located on the end face, facing the main beam, of the fixed beam, and the second cylinder, the pressure sensor and the control circuit board are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658509.2U CN212953918U (en) | 2020-08-11 | 2020-08-11 | Bridge crane cross rail locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658509.2U CN212953918U (en) | 2020-08-11 | 2020-08-11 | Bridge crane cross rail locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212953918U true CN212953918U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021658509.2U Active CN212953918U (en) | 2020-08-11 | 2020-08-11 | Bridge crane cross rail locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212953918U (en) |
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2020
- 2020-08-11 CN CN202021658509.2U patent/CN212953918U/en active Active
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