CN115159306B - Folding traction machine bearing roof beam - Google Patents
Folding traction machine bearing roof beam Download PDFInfo
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- CN115159306B CN115159306B CN202210781366.1A CN202210781366A CN115159306B CN 115159306 B CN115159306 B CN 115159306B CN 202210781366 A CN202210781366 A CN 202210781366A CN 115159306 B CN115159306 B CN 115159306B
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- worm
- folding
- traction machine
- shaped shaft
- gears
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- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention provides a folding traction machine bearing roof beam, which comprises: the transverse beam is transversely arranged in the center of the well platform, the traction machine is arranged above the middle of the transverse beam, and the folding beams are arranged at two ends of the transverse beam in the length direction; wherein, folding beam includes: the telescopic beam is hinged with the end part of the cross beam through a second T-shaped shaft, and the folding driving device is arranged at one side of the second T-shaped shaft close to the traction machine; and on the second T-shaped shaft, two groups of symmetrical worm gears are arranged on two sides of the telescopic beam, and a worm meshed with the worm gears is arranged on the folding driving device, so that the bearing roof beam is mainly convenient to perform layer changing operation in the elevator hoistway.
Description
Technical Field
The invention relates to a traction machine bearing roof beam, in particular to a folding traction machine bearing roof beam.
Background
In high-rise building construction, the construction elevator for the elevator shaft usually adopts two forms, the first is a lower-mounted structure, namely, a traction machine is arranged on the ground, the second is an overhead structure, namely, the traction machine is arranged on a roof beam, and in the use process of the roof beam, the roof beam is inconvenient in installation and later layer replacement work because of overlong beam bodies, and the roof beam is required to be obliquely hung and inserted into a hoistway during installation and layer replacement work, so that the oblique hanging is inconvenient to operate and unsafe, not only wastes manpower and material resources, but also cannot guarantee the construction period.
Chinese patent CN 208869129U discloses a ceiling beam of an overhead telescopic construction hoist for elevator hoistway traction, the ceiling beam comprises a left telescopic short beam, a main beam, a right telescopic short beam and a pillar beam, the upper end of the pillar beam is connected with the right end of the right telescopic short beam to form an L-shaped structure; the front side and the rear side of the pillar beam are respectively connected with a group of folding positioning rods in a rotating way; the left telescopic short beam is inserted into the left end of the main beam; the right telescopic short beam is inserted into the right end of the main beam. Compared with the integral roof beam, the novel elevator beam has the advantages of convenient and quick use and easy operation, but still has poor automation degree, and most of tightening work still needs manual operation and is easy to collide with the side wall of the elevator shaft when being lifted by changing the floor upwards.
Disclosure of Invention
The invention provides a folding traction machine bearing roof beam for solving the problems in the prior art.
The load-bearing roof beam includes: the transverse beam is transversely arranged in the center of the well platform, the traction machine is arranged above the middle of the transverse beam, and the folding beams are arranged at two ends of the transverse beam in the length direction; wherein, folding beam includes: the telescopic beam is hinged with the end part of the cross beam through a second T-shaped shaft, and the folding driving device is arranged at one side of the second T-shaped shaft close to the traction machine; and two groups of symmetrical worm gears are arranged on two sides of the telescopic beam on the second T-shaped shaft, and a worm meshed with the worm gears is arranged on the folding driving device.
Further, the telescopic beam includes: the fixed beam is hinged with the cross beam, the adjusting wheels are arranged at two ends of the first T-shaped shaft relative to the first T-shaped shaft which stretches out and draws back of the fixed beam, the adjusting wheels can be used for adjusting the position of the overhead beam, the traction machine is ensured to be in a correct hoisting position after layer replacement, and inclined hoisting of the cage is avoided.
Further, a vertical frame is arranged above the cross beam, the two vertical frames are respectively arranged at two sides of the traction machine, a screw rod perpendicular to the plane of the well platform is arranged in the middle of the vertical frame, and a screw nut is arranged on the screw rod; and a stabilizing pull rod is arranged between the screw nut and the first T-shaped shaft, one end of the stabilizing pull rod is hinged with an eccentric hinging ring on the first T-shaped shaft, and the other end of the stabilizing pull rod is hinged with the screw nut.
Further, lifting feet are arranged on two sides of the eccentric hinging ring on the first T-shaped shaft, and after the traction machine is adjusted to a proper position, the whole roof beam is jacked up by using the lifting feet, so that the installation stability of the whole device is ensured.
Further, the fixed beam is sleeved on the outer diameter of the first T-shaped shaft, and the booster spring is arranged in the fixed beam, so that the quick opening of the roof beam is facilitated.
Further, a limiting ring is arranged on the screw rod and is positioned below the screw nut and used for limiting the inclination angle of the stable pull rod, so that the limit position of the folded beam after being opened is controlled, the limit position limits the angle of the stable pull rod, and the maximum angle of the telescopic beam during rotation is limited.
Further, the worm respectively hinged with the two worm gears is fixed between the two double-layer worm frames, the upper parts of the two worm gears are respectively fixedly connected with the same-direction gears, a reverse transition gear is arranged between the two same-direction gears, the reverse transition gear is meshed with the two same-direction gears at the same time, and the tooth numbers of the gears are the same as the modulus.
Further, the lower part of the worm penetrates through the double-layer worm rack, and the worm driving motor is arranged at the bottom of the double-layer worm rack and is detachably connected with one of the worms.
Further, after the folding Liang Shoujin is folded, the outer diameter of the adjusting wheel at the end part is flush with the inner wall of the well, so that the whole bearing roof beam can be rolled and guided in the well when being lifted, and the whole roof beam is prevented from colliding with the inner wall of the well in the vertical lifting process, so that all mechanical or electrical components on the roof beam are damaged.
Further, the part of the top end of the screw rod extending out of the vertical frame is of a spline structure, an electromagnetic brake fixed at the top of the vertical frame is sleeved outside the spline structure, the spline structure is used for being connected with the electromagnetic brake, and when the screw rod needs to be locked, the electromagnetic brake is electrified, so that the screw rod is prevented from rotating.
The invention has the technical effects that: the original integral overhead beam is divided into three sections, two ends of the overhead beam are provided with folding beams, when the overhead traction machine needs to be replaced, the folding beams at the two ends are folded towards the middle, the size of the whole overhead beam is smaller than that of an elevator hoistway, and the overhead beam is convenient to vertically lift in the hoistway.
In the prior art, in the lifting process, the whole roof beam can shake in a well, in order to avoid the situation, the outermost end of the folded beam after being folded is still an adjusting wheel, the folding angle of the adjusting wheel can be controlled, the adjusting wheel is contacted with the inner wall of the well in the lifting process, the rolling guiding effect is achieved, and the stable lifting process is ensured.
Utilize the reverse self-locking function of worm gear, ensure that folding roof beam after opening can lock current position, can not take place to fall back, simultaneously electromagnetic braking ware prevents that the lead screw from taking place the rotation after the circular telegram, let the screw of installing at stable pull rod tip can not reciprocate, ensure that whole roof beam obtains safe support, folding roof beam opens the back, and stable pull rod, fixed beam and whole device's body form triangle-shaped stable support structure, ensure to support reliably, firm, non-deformable.
The folding process does not need too much manual participation, and only the lifting feet on two sides of the eccentric hinged ring are lifted by using a spanner, so that the supporting range of the lifting feet is not more than that of the adjusting wheel.
Drawings
FIG. 1 is an isometric view of a load-bearing roof beam of the present invention;
FIG. 2 is a front view of a load beam in accordance with the present invention;
FIG. 3 is an isometric view of the load beam of the present invention in a hoistway after being folded; .
In the drawings, 1, a traction machine, 2, a cross beam, 3, a well platform, 4, a folding beam, 5, a telescopic beam, 6, a vertical frame, 7, a folding driving device, 9, a well, 50, a fixed beam, 51, an adjusting wheel, 52, a first T-shaped shaft, 53, an eccentric hinged ring, 54, a stable pull rod, 55, a second T-shaped shaft, 56, a worm wheel, 57, a booster spring, 58, a lifting foot, 61, a screw rod, 62, a screw nut, 63, a limiting ring, 64, a spline structure, 71, a worm driving motor, 72, a worm, 73, a double-layer worm rack, 74, a same-direction gear, 75, a reverse transition gear and 8, an electromagnetic brake.
Detailed Description
A specific embodiment of the present invention will be described with reference to fig. 1 to 3.
Fig. 1 and 2 illustrate the overall structure of a load-bearing roof beam when supported, the load-bearing roof beam comprising: a cross beam 2 transversely arranged in the center of the hoistway platform 3, a traction machine 1 arranged above the cross beam 2, and folding beams 4 arranged at two ends of the cross beam 2 in the length direction; wherein the folding beam 4 comprises: the telescopic beam 5 is hinged with the end part of the cross beam 2 through a second T-shaped shaft 55, and a folding driving device 7 is arranged on one side of the second T-shaped shaft 55 close to the traction machine 1; two groups of symmetrical worm gears 56 are arranged on the two sides of the telescopic beam 5 on the second T-shaped shaft 55, and a worm 72 meshed with the worm gears 56 is arranged on the folding driving device 7.
The telescopic beam 5 includes: a fixed beam 50 hinged with the cross beam 2, a first T-shaped shaft 52 telescoping relative to the fixed beam 50, and adjusting wheels 51 mounted at two ends of the first T-shaped shaft 52; a vertical frame 6 is arranged above the cross beam 2, the two vertical frames 6 are arranged on two sides of the traction machine 1 in a separated mode, a screw rod 61 vertical to the plane of the well platform 3 is arranged in the middle of the vertical frame 6, and a screw nut 62 is arranged on the screw rod 61; wherein, a stabilizing pull rod 54 is arranged between the screw nut 62 and the first T-shaped shaft 52, one end of the stabilizing pull rod 54 is hinged with an eccentric hinging ring 53 on the first T-shaped shaft 52, and the other end of the stabilizing pull rod 54 is hinged with the screw nut 62.
Lifting feet 58 are arranged on the first T-shaped shaft 52 and positioned on two sides of the eccentric hinging ring 53, the fixed beam 50 is sleeved on the outer diameter of the first T-shaped shaft 52, and a booster spring 57 is arranged in the fixed beam 50; a limit ring 63 is mounted on the screw rod 61, and the limit ring 63 is positioned below the screw nut 62 and is used for limiting the inclination angle of the stabilizing pull rod 54, thereby controlling the limit position of the folded beam 4 after being opened.
Fig. 3 illustrates a state of the load-bearing roof beam when changing floors in the hoistway 9, wherein worms 72 respectively hinged with two worm gears 56 are fixed between double-layer worm frames 73, the upper parts of the two worms 72 are respectively fixedly connected with homodromous gears 74, a reverse transition gear 75 is arranged between the two homodromous gears 74, the reverse transition gear 75 is simultaneously meshed with the two homodromous gears 74, and the tooth numbers of the gears are the same as the modulus; the lower part of the worm 72 passes through the double-layer worm frame 73, and the worm driving motor 71 is arranged at the bottom of the double-layer worm frame 73 and is detachably connected with one of the worm 72.
After the folding beam 4 is tightened and folded, the outer diameter of the adjusting wheel 51 at the end part is flush with the inner wall of the well 9, so that the whole bearing roof beam can roll and guide in the well when being lifted, the part of the top end of the screw rod 61 extending out of the vertical frame 6 is a spline structure 64, and an electromagnetic brake 8 fixed at the top of the vertical frame 6 is sleeved outside the spline structure 64.
Working principle: when the bearing roof beam is stably supported, the folding beams 4 at the two ends of the cross beam 2 transversely extend, the electromagnetic brake 8 is electrified to lock the screw rods 62 and do not rotate, the adjusting wheel 51 is lapped above the well platform 3, when a layer is required to be replaced, the lifting foot 58 is manually lifted off from the contact surface, the whole bearing roof beam is lifted in the well by using a steel wire rope to prevent the lifting foot from falling off, the worm drive motor 71 is started to drive the worm 72 to rotate, due to the transmission effect of the homodromous gear 74 and the reverse transition gear 75, the worm 72 at the two sides simultaneously drives the two worm wheels 56 to rotate, the folding beams 4 at the two ends are driven to simultaneously inwards fold, the total length of the stabilizing pull rod 54 does not change, the first T-shaped shaft 52 on the telescopic beam 5 is retracted relative to the fixed beam 50, one end of the screw rod 62 connected with the stabilizing pull rod 54 moves upwards along the screw rods 61, and the worm drive motor 71 is stopped until the adjusting wheel 51 is contracted to be flush with the inner wall of the well 9.
When the whole bearing roof beam is pulled upwards or downwards through other equipment and is pulled to the position above the well platform 3 which needs to be re-supported, the worm driving motor 71 is restarted, the folding beam 4 is gradually opened, after the folding beam is opened, the position of the traction machine 1 is adjusted through the adjusting wheel 51, the lifting foot margin 58 is manually rotated out, and the whole roof beam is stably supported.
The following shall be described: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present invention.
Claims (7)
1. The utility model provides a folding hauler bears roof beam, its characterized in that, this bears roof beam includes: a cross beam (2) transversely arranged in the center of the well platform (3), a traction machine (1) arranged above the cross beam (2), and folding beams (4) arranged at two ends of the cross beam (2) in the length direction;
wherein the folding beam (4) comprises: the telescopic beam (5) is hinged with the end part of the cross beam (2) through a second T-shaped shaft (55), and the folding driving device (7) is arranged on one side, close to the traction machine (1), of the second T-shaped shaft (55);
two groups of symmetrical worm gears (56) are arranged on two sides of the telescopic beam (5) on the second T-shaped shaft (55), and a worm (72) meshed with the worm gears (56) is arranged on the folding driving device (7);
the telescopic beam (5) comprises: a fixed beam (50) hinged with the cross beam (2), a first T-shaped shaft (52) which stretches relative to the fixed beam (50), and adjusting wheels (51) arranged at two ends of the first T-shaped shaft (52);
a vertical frame (6) is arranged above the cross beam (2), the vertical frames (6) are respectively arranged at two sides of the traction machine (1), a screw rod (61) vertical to the plane of the well platform (3) is arranged in the middle of the vertical frame (6), and a screw nut (62) is arranged on the screw rod (61);
a stabilizing pull rod (54) is arranged between the screw nut (62) and the first T-shaped shaft (52), one end of the stabilizing pull rod (54) is hinged with an eccentric hinging ring (53) on the first T-shaped shaft (52), and the other end of the stabilizing pull rod (54) is hinged with the screw nut (62);
the worm (72) respectively hinged with the two worm gears (56) is fixed between the two double-layer worm frames (73), the upper parts of the two worm gears (72) are respectively fixedly connected with the same-direction gears (74), a reverse transition gear (75) is arranged between the two same-direction gears (74), the reverse transition gear (75) is simultaneously meshed with the two same-direction gears (74), and the tooth numbers of the gears are the same as the modulus.
2. The overhead girder for the folder type traction machine according to claim 1, wherein lifting feet (58) are installed on the first t-shaped shaft (52) at both sides of the eccentric hinge ring (53).
3. The overhead beam for the folder type traction machine according to claim 1, wherein the fixing beam (50) is sleeved on the outer diameter of the first t-shaped shaft (52), and a booster spring (57) is arranged inside the fixing beam (50).
4. The overhead girder for the folder type traction machine according to claim 1, wherein a limit ring (63) is installed on the screw rod (61), and the limit ring (63) is positioned below the screw nut (62) for limiting the inclination angle of the stabilizer bar (54) so as to control the limit position of the folded girder (4) after being opened.
5. The overhead girder for the folder type traction machine according to claim 1, wherein the worm (72) passes through the double-layered worm frame (73) below, and the worm driving motor (71) is installed at the bottom of the double-layered worm frame (73) to be detachably connected with one of the worm (72).
6. The overhead beam for the folding traction machine according to claim 1, wherein after the folding beam (4) is tightened and folded, the outer diameter of the adjusting wheel (51) at the end part is flush with the inner wall of the hoistway (9), so that the whole overhead beam can be guided in the hoistway in a rolling way during lifting.
7. The overhead girder for the folding traction machine according to claim 4, wherein the part of the top end of the screw rod (61) extending out of the vertical frame (6) is a spline structure (64), and an electromagnetic brake (8) fixed at the top of the vertical frame (6) is sleeved outside the spline structure (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210781366.1A CN115159306B (en) | 2022-07-04 | 2022-07-04 | Folding traction machine bearing roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210781366.1A CN115159306B (en) | 2022-07-04 | 2022-07-04 | Folding traction machine bearing roof beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115159306A CN115159306A (en) | 2022-10-11 |
| CN115159306B true CN115159306B (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210781366.1A Active CN115159306B (en) | 2022-07-04 | 2022-07-04 | Folding traction machine bearing roof beam |
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| Country | Link |
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| CN (1) | CN115159306B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040024094A (en) * | 2002-09-13 | 2004-03-20 | 현대엘리베이터주식회사 | Installation structure of elevator traction machine |
| JP2007008667A (en) * | 2005-06-30 | 2007-01-18 | Hitachi Building Systems Co Ltd | Transporting auxiliary appliance for winding machine of elevator |
| JP2010089917A (en) * | 2008-10-08 | 2010-04-22 | Toshiba Elevator Co Ltd | Machine beam for elevator |
| CN204280998U (en) * | 2014-12-08 | 2015-04-22 | 苏州德奥电梯有限公司 | Double end traction elevator |
| CN105084184A (en) * | 2015-08-13 | 2015-11-25 | 重庆威斯特电梯有限公司 | Tractor rack |
| WO2018198232A1 (en) * | 2017-04-26 | 2018-11-01 | 三菱電機株式会社 | Elevator device |
| CN108974082A (en) * | 2017-05-31 | 2018-12-11 | 株式会社日立大厦系统 | The conveying trolley and its method for carrying of elevator traction machine |
| CN109110616A (en) * | 2018-09-29 | 2019-01-01 | 河南海恒机械设备有限公司 | Telescopic building hoist day beam and its installation and application are set in elevator traction |
| CN210048319U (en) * | 2019-05-22 | 2020-02-11 | 河南海恒机械设备有限公司 | Traction type construction elevator with foldable top beam |
| CN111017685A (en) * | 2019-11-13 | 2020-04-17 | 浙江理工大学 | Clamp for elevator traction machine test and clamping method thereof |
| CN214569934U (en) * | 2021-02-02 | 2021-11-02 | 杭州百科新材料有限公司 | Well lift is used in construction |
| CN215828103U (en) * | 2021-08-30 | 2022-02-15 | 美嘉智选电梯有限公司 | Host installation structure of elevator without machine room |
| CN215924103U (en) * | 2021-07-21 | 2022-03-01 | 辽宁企航机械设备有限公司 | Underneath type telescopic assembling top beam for elevator |
-
2022
- 2022-07-04 CN CN202210781366.1A patent/CN115159306B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040024094A (en) * | 2002-09-13 | 2004-03-20 | 현대엘리베이터주식회사 | Installation structure of elevator traction machine |
| JP2007008667A (en) * | 2005-06-30 | 2007-01-18 | Hitachi Building Systems Co Ltd | Transporting auxiliary appliance for winding machine of elevator |
| JP2010089917A (en) * | 2008-10-08 | 2010-04-22 | Toshiba Elevator Co Ltd | Machine beam for elevator |
| CN204280998U (en) * | 2014-12-08 | 2015-04-22 | 苏州德奥电梯有限公司 | Double end traction elevator |
| CN105084184A (en) * | 2015-08-13 | 2015-11-25 | 重庆威斯特电梯有限公司 | Tractor rack |
| WO2018198232A1 (en) * | 2017-04-26 | 2018-11-01 | 三菱電機株式会社 | Elevator device |
| CN108974082A (en) * | 2017-05-31 | 2018-12-11 | 株式会社日立大厦系统 | The conveying trolley and its method for carrying of elevator traction machine |
| CN109110616A (en) * | 2018-09-29 | 2019-01-01 | 河南海恒机械设备有限公司 | Telescopic building hoist day beam and its installation and application are set in elevator traction |
| CN210048319U (en) * | 2019-05-22 | 2020-02-11 | 河南海恒机械设备有限公司 | Traction type construction elevator with foldable top beam |
| CN111017685A (en) * | 2019-11-13 | 2020-04-17 | 浙江理工大学 | Clamp for elevator traction machine test and clamping method thereof |
| CN214569934U (en) * | 2021-02-02 | 2021-11-02 | 杭州百科新材料有限公司 | Well lift is used in construction |
| CN215924103U (en) * | 2021-07-21 | 2022-03-01 | 辽宁企航机械设备有限公司 | Underneath type telescopic assembling top beam for elevator |
| CN215828103U (en) * | 2021-08-30 | 2022-02-15 | 美嘉智选电梯有限公司 | Host installation structure of elevator without machine room |
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| Publication number | Publication date |
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| CN115159306A (en) | 2022-10-11 |
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