CN220976331U - Crown block walking end beam convenient for disassembling walking wheel - Google Patents
Crown block walking end beam convenient for disassembling walking wheel Download PDFInfo
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- CN220976331U CN220976331U CN202322652008.3U CN202322652008U CN220976331U CN 220976331 U CN220976331 U CN 220976331U CN 202322652008 U CN202322652008 U CN 202322652008U CN 220976331 U CN220976331 U CN 220976331U
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- crown block
- wheel
- end beam
- wheels
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- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 230000007306 turnover Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model relates to a traveling end beam of a crown block, which is convenient for disassembling traveling wheels, and comprises a crown block end beam body and traveling wheels at two ends, wherein a wheel fixing mechanism for limiting and fixing the traveling wheels is arranged on the crown block end beam body, the wheel fixing mechanism is in a door shape, the wheel fixing mechanism is clamped outside the crown block end beam body, and the bottom of the wheel fixing mechanism is hung with the end parts of wheel shafts of the traveling wheels through hook grooves; the crane end beam is characterized in that a beam supporting mechanism is arranged in the crane end beam body and comprises a beam supporting screw rod, two sides of the beam supporting screw rod are respectively connected with a feeding block in a threaded mode, the bottom of the feeding block is hinged with a beam supporting wheel mechanism, the beam supporting wheel mechanism is movably connected with the crane end beam body through a supporting shaft, the feeding blocks can slide on the beam supporting screw rod and drive the beam supporting wheel mechanism to rotate around the supporting shaft, when the feeding blocks and the beam supporting wheel mechanism are in a vertical state, the feeding blocks slide to the limit position of one end thread of the beam supporting screw rod, and wheels are respectively arranged on two end faces of the crane end beam body to move out of open slots. The travelling wheel is quickly and safely disassembled.
Description
Technical Field
The utility model relates to the field of cranes, in particular to a traveling end beam of a crown block, which is convenient for disassembling traveling wheels.
Background
The overhead travelling crane is a bridge type crane with a bridge running on an overhead track, also called bridge crane, and is an important lifting and moving mechanism, and can move on the overhead track through travelling wheels on end beams at two ends of the overhead travelling crane. After the crown block is used for a long time, the travelling wheels on the end beams at the two ends of the crown block are easy to wear to influence the normal and stable movement of the crown block, so that the travelling wheels on the end beams are required to be maintained and replaced, in the prior art, when the dismounting structure of the travelling wheels of the crown block is used for dismounting and maintaining, the lifting bridge of the crown block is required to be lifted by a lifting device such as a jack, the tread of the wheels is about 10mm away from the upper surface of a rail, and the travelling wheels are required to be pried out of the end beam groove of the crown block by means of a tool such as a crow bar and pulled out along the surface of the rail for dismounting and replacing.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the traveling end beam of the crown block, which is convenient for disassembling traveling wheels, and solves the problem that the existing traveling end beam of the crown block is time-consuming and labor-consuming to disassemble.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The crown block walking end beam comprises a crown block end beam body and walking wheels at two ends, wherein a wheel fixing mechanism for limiting and fixing the walking wheels is arranged on the crown block end beam body, the wheel fixing mechanism is in a door shape, the wheel fixing mechanism is clamped outside the crown block end beam body, and the bottom of the wheel fixing mechanism is connected with the wheel shaft ends of the walking wheels in a hanging mode through a hook groove; the crane end beam is characterized in that a beam supporting mechanism is arranged in the crane end beam body and comprises a beam supporting screw rod, two sides of the beam supporting screw rod are respectively connected with a feeding block in a threaded mode, the bottom of the feeding block is hinged with a beam supporting wheel mechanism, the beam supporting wheel mechanism is movably connected with the crane end beam body through a supporting shaft, the feeding blocks can slide on the beam supporting screw rod and drive the beam supporting wheel mechanism to rotate around the supporting shaft, when the feeding blocks and the beam supporting wheel mechanism are in a vertical state, the feeding blocks slide to the limit position of one end thread of the beam supporting screw rod, and wheels are respectively arranged on two end faces of the crane end beam body to move out of open slots.
The wheel shafts of the travelling wheels are arranged in shaft grooves on two sides of the crown block end beam body.
The wheel fixing mechanism comprises a wheel fixing hook seat formed by a top plate and two side plates, an adjusting screw is connected to the top plate in a threaded manner, a jacking block is movably sleeved at the bottom of the adjusting screw, and a hook groove connected with a wheel shaft of the travelling wheel is formed in the bottom of the side plate.
The supporting beam screw rod longitudinally traverses the two ends of the crown block end beam body and is movably connected with the end face of the crown block end beam body, and one end of the supporting beam screw rod is connected with the rotary head or the electric rotation driving device.
The two sides of the bracing beam screw are respectively provided with a left-handed thread and a right-handed thread, and the feeding blocks on the two sides are respectively connected with the left-handed thread and the right-handed thread in a matching way.
The top surface of the feeding block is in sliding connection with the top inner wall of the crown block end beam body.
When the beam supporting wheel mechanism is in a vertical state, the bottom of the beam supporting wheel mechanism extends out of the bottom of the crown block end beam body.
The beam supporting wheel mechanism comprises a turnover seat, a telescopic rod, a beam supporting frame rod and a beam supporting wheel, wherein the turnover seat is hinged with the telescopic rod through a pin shaft, the bottom of the telescopic rod is connected with the beam supporting frame rod, the middle part of the beam supporting frame rod is vertically connected with a supporting shaft, and the bottom of the beam supporting frame rod is connected with the beam supporting wheel.
And two ends of the supporting shaft are rotationally connected with the crown block end beam body.
Compared with the prior art, the utility model has the beneficial effects that:
1. Through the setting of solid round mechanism and bracing beam mechanism, realize that the walking wheel of crown block end beam body is quick, safe dismantlement, improved the efficiency of maintaining the change to the walking wheel.
2. The two feeding blocks are propped against the top inner wall of the crown block end beam body to slide, so that the supporting stress degree of the beam supporting screw is effectively reduced, the stability of the beam supporting mechanism is further improved, and the crown block end beam body can be stably supported up through the beam supporting mechanism.
3. The supporting beam wheel mechanism is provided with a telescopic rod, and the sliding feeding block can drive the supporting beam wheel mechanism to move.
4. The wheel moving-out opening groove 9 is reasonable in structure and convenient to operate.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the utility model.
Fig. 3 is a side view of the utility model.
Fig. 4 is a schematic diagram of a stationary mechanism.
Fig. 5 is a schematic diagram of example 2.
In the figure: the crown block end beam body 1, the travelling wheels 2, the beam supporting mechanism 3, the fixed wheel mechanism 4, the beam supporting wheel mechanism 5, the shaft groove 6, the wheel shaft 7, the supporting shaft 8 and the wheel moving out of the open groove 9;
A bracing beam screw 31, a feeding block 32, a rotary head 33 and an electric rotary driving device 34;
A top plate 41, side plates 42, an adjusting screw 43, a jacking block 44 and a hook groove 45;
The turnover seat 51, the telescopic rod 52, the beam supporting frame rod 53 and the beam supporting wheel 54.
Detailed Description
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1-5, an overhead travelling crane travelling end beam convenient for disassembling travelling wheels comprises an overhead travelling crane end beam body 1 and travelling wheels 2 at two ends, wherein a fixed wheel mechanism 4 for limiting and fixing the travelling wheels 2 is arranged on the overhead travelling crane end beam body 1, the fixed wheel mechanism 4 is in a door shape, the fixed wheel mechanism 4 is clamped outside the overhead travelling crane end beam body 1, and the bottom of the fixed wheel mechanism 4 is hung with the end part of a wheel shaft 7 of the travelling wheels 2 through a hook groove 45; the crown block end beam body 1 is internally provided with a beam supporting mechanism 3, the beam supporting mechanism 3 comprises a beam supporting screw rod 31, two sides of the beam supporting screw rod 31 are respectively connected with a feed block 32 in a threaded mode, the bottom of the feed block 32 is hinged with a beam supporting wheel mechanism 5, the beam supporting wheel mechanism 5 is movably connected with the crown block end beam body 1 through a supporting shaft 8, the feed blocks 32 can slide on the beam supporting screw rod 31 and drive the beam supporting wheel mechanism 5 to rotate around the supporting shaft 8, when the feed blocks 32 and the beam supporting wheel mechanism 5 are in a vertical state, the feed blocks 31 slide to one end thread limit positions of the beam supporting screw rod 31, and two end faces of the crown block end beam body 1 are respectively provided with wheels to move out of open slots 9.
The wheel shafts 7 of the travelling wheels 2 are arranged in the shaft grooves 6 on the two sides of the crown block end beam body 1.
The wheel fixing mechanism 4 comprises a wheel fixing hook seat formed by a top plate 41 and two side plates 42, an adjusting screw 43 is connected to the top plate 41 in a threaded mode, a jacking block 44 is movably sleeved at the bottom of the adjusting screw 43, and a hook groove 45 connected with a wheel shaft of the travelling wheel 2 is formed in the bottom of the side plate 42.
The supporting beam screw rod 31 longitudinally traverses the two ends of the crown block end beam body 1 and is movably connected with the end face of the crown block end beam body 1, and one end of the supporting beam screw rod 31 is connected with a rotary head 33 or an electric rotary driving device 34.
The two sides of the bracing beam screw 31 are respectively provided with left-handed threads and right-handed threads, and the feeding blocks 2 on the two sides are respectively connected with the left-handed threads and the right-handed threads in a matching way.
The top surface of the feeding block 32 is in sliding connection with the top inner wall of the crown block end beam body 1. Because the two feeding blocks 32 are propped against the top inner wall of the crown block end beam body 1 to slide, the supporting stress degree of the beam supporting screw rod 31 is effectively reduced, the stability of the beam supporting mechanism 3 is further improved, and the crown block end beam body 1 can be stably supported by the beam supporting mechanism 3.
When the supporting beam wheel mechanism 5 is in a vertical state, the bottom of the supporting beam wheel mechanism 5 extends out of the bottom of the crown block end beam body 1.
The beam supporting wheel mechanism 5 comprises a turnover seat 51, a telescopic rod 52, a beam supporting frame rod 53 and a beam supporting wheel 54, wherein the turnover seat 51 is hinged with the telescopic rod 52 through a pin shaft 55, the bottom of the telescopic rod 52 is connected with the beam supporting frame rod 53, the middle part of the beam supporting frame rod 53 is vertically connected with the supporting shaft 8, and the bottom of the beam supporting frame rod 53 is connected with the beam supporting wheel 54. Due to the arrangement of the telescopic rod, the feed block slides to drive the supporting beam wheel mechanism 5 to rotate.
The two ends of the supporting shaft 8 are rotatably connected with the crown block end beam body 1.
Working principle: when the two travelling wheels 2 on the crown block end beam body 1 are disassembled, the lifting block 44 is driven to lift by the adjusting screw 43 of the rotary wheel fixing mechanism 3, and the wheel fixing hook seat moves downwards, so that the hook groove 45 of the side plate 42 is separated from the wheel shaft 7 of the travelling wheel 2, and the wheel fixing mechanism is moved out of the crown block end beam body 1.
The supporting beam screw rod 31 is rotated, the supporting beam screw rod 31 drives the two feeding blocks 32 to reversely move through reverse threads, and the two feeding blocks 32 respectively drive the supporting beam wheel mechanism 5 to rotate around the supporting shaft 8 in the moving process until the two feeding blocks 32 slide to the limit position, so that the supporting beam wheel mechanism 5 is overturned from an inclined state to a vertical state. In the rotation process, the telescopic rods 52 are gradually shortened, the beam supporting frame rods 53 at two sides synchronously drive the beam supporting wheels 54 to turn over, and the crown block beam body 1 is gradually jacked up, so that the wheel shafts 7 of the travelling wheels 2 at two sides can fall and slide out from the shaft grooves 6 of the crown block end beam body 1, then the travelling wheels 2 at two sides are moved out of the open grooves 9 from the wheels at two ends of the crown block end beam body 1, and the beam supporting mechanism 3 has limited supporting height, so that the structure for arranging the wheels to move out of the open grooves 9 is reasonable and the operation is convenient. Finally, the traveling wheels 2 on the crown block end beam body 1 are disassembled.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The crown block walking end beam is characterized in that a fixed wheel mechanism for limiting and fixing the walking wheels is arranged on the crown block end beam body, the fixed wheel mechanism is in a door shape and is clamped outside the crown block end beam body, and the bottom of the fixed wheel mechanism is hung with the end parts of wheel shafts of the walking wheels through hook grooves; the crane end beam is characterized in that a beam supporting mechanism is arranged in the crane end beam body and comprises a beam supporting screw rod, two sides of the beam supporting screw rod are respectively connected with a feeding block in a threaded mode, the bottom of the feeding block is hinged with a beam supporting wheel mechanism, the beam supporting wheel mechanism is movably connected with the crane end beam body through a supporting shaft, the feeding blocks can slide on the beam supporting screw rod and drive the beam supporting wheel mechanism to rotate around the supporting shaft, when the feeding blocks and the beam supporting wheel mechanism are in a vertical state, the feeding blocks slide to the limit position of one end thread of the beam supporting screw rod, and wheels are respectively arranged on two end faces of the crane end beam body to move out of open slots.
2. The traveling end beam of the crown block, which is convenient for disassembling the traveling wheels, according to claim 1, wherein the wheel shafts of the traveling wheels are arranged in shaft grooves on two sides of the crown block end beam body.
3. The crown block walking end beam convenient for the disassembly of the walking wheels according to claim 1, wherein the wheel fixing mechanism comprises a wheel fixing hook seat consisting of a top plate and two side plates, the top plate is connected with an adjusting screw in a threaded manner, the bottom of the adjusting screw is movably sleeved with a jacking block, and the bottom of the side plates is provided with a hook groove connected with a wheel shaft of the walking wheels.
4. The traveling end beam of the crown block, which is convenient for the disassembly of the traveling wheels, according to claim 1, is characterized in that the supporting beam screw rod longitudinally traverses the two ends of the crown block end beam body and is movably connected with the end face of the crown block end beam body, and one end of the supporting beam screw rod is connected with a rotary head or an electric rotary driving device.
5. The crown block walking end beam convenient for the disassembly of the walking wheels according to claim 1, wherein left-handed threads and right-handed threads are respectively arranged on two sides of the supporting beam screw, and feeding blocks on two sides are respectively connected with the left-handed threads and the right-handed threads in a matched manner.
6. The traveling end beam of the crown block, which is convenient for the disassembly of the traveling wheels, according to claim 1, wherein the top surface of the feeding block is in sliding connection with the top inner wall of the crown block end beam body.
7. The traveling end beam of the crown block, which is convenient for the disassembly of the traveling wheels, according to claim 1, wherein the bottom of the beam supporting wheel mechanism extends out of the bottom of the crown block end beam body when the beam supporting wheel mechanism is in a vertical state.
8. The crown block walking end beam convenient for the disassembly of the walking wheels according to claim 1, wherein the beam supporting wheel mechanism comprises a turnover seat, a telescopic rod, a beam supporting frame rod and a beam supporting wheel, the turnover seat is hinged with the telescopic rod through a pin shaft, the bottom of the telescopic rod is connected with the beam supporting frame rod, the middle part of the beam supporting frame rod is vertically connected with a supporting shaft, and the bottom of the beam supporting frame rod is connected with the beam supporting wheel.
9. The traveling end beam of the crown block, which is convenient for the disassembly of the traveling wheels, according to claim 1, wherein the two ends of the supporting shaft are rotatably connected with the crown block end beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322652008.3U CN220976331U (en) | 2023-09-28 | 2023-09-28 | Crown block walking end beam convenient for disassembling walking wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322652008.3U CN220976331U (en) | 2023-09-28 | 2023-09-28 | Crown block walking end beam convenient for disassembling walking wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220976331U true CN220976331U (en) | 2024-05-17 |
Family
ID=91040748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322652008.3U Active CN220976331U (en) | 2023-09-28 | 2023-09-28 | Crown block walking end beam convenient for disassembling walking wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220976331U (en) |
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2023
- 2023-09-28 CN CN202322652008.3U patent/CN220976331U/en active Active
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