CN111910906B - Building construction platform anti-falling device - Google Patents
Building construction platform anti-falling device Download PDFInfo
- Publication number
- CN111910906B CN111910906B CN202010906737.5A CN202010906737A CN111910906B CN 111910906 B CN111910906 B CN 111910906B CN 202010906737 A CN202010906737 A CN 202010906737A CN 111910906 B CN111910906 B CN 111910906B
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- Prior art keywords
- normally closed
- sleeve frame
- cylinder
- rack
- oil
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- 238000009435 building construction Methods 0.000 title claims abstract description 26
- 239000003921 oil Substances 0.000 claims description 33
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Braking Arrangements (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to an anti-falling device for a building construction platform, which comprises a gear, a rack, clamping plates, a normally closed brake and a hydraulic system, wherein a plurality of clamping plates are fixed on a lower sleeve frame, the upper end of the rack is fixed on an upper sleeve frame, the lower end of the rack is suspended, the middle section of the rack moves up and down in the clamping plates, one end of the normally closed brake is arranged on the inner side surface of the lower sleeve frame, the other end of the normally closed brake is connected with the gear through a connecting shaft, the gear is meshed with the rack, the hydraulic system comprises a hydraulic pump station, a main valve, a normally closed brake cylinder, a balance valve, a jacking cylinder, a hydraulic lock and an oil pipe, the normally closed brake cylinder is positioned in the normally closed brake, the two ends of the jacking cylinder are respectively connected with the upper sleeve frame and the lower sleeve frame, and the lower sleeve frame and the building construction platform are fixed through bolts. The device adopts a hydraulic lock and gear braking technology, realizes platform braking under the condition of failure of a hydraulic system, prevents the platform from further descending, and avoids accidents; the device has reliable anti-falling performance and reliable braking performance, and improves the safety of the platform.
Description
Technical Field
The invention relates to the technical field of building construction equipment, in particular to a building construction platform anti-falling device.
Background
The high-altitude building machine is a building construction equipment system which is formed into high integration through integration innovation. The method can be used for traditional building construction modes, and can also be used for novel industrialized building modes such as a form removal-free system, a prefabricated building, a steel structure building and the like; the method is suitable for building structures such as frame structures, shear wall structures, frame shear wall structures, steel structures and the like.
The lifting of the structural platform of the high-altitude building machine generally adopts a hydraulic driving mode, when lifting is carried out, the hydraulic system is out of order due to external factors or self factors, at the moment, the platform can possibly generate an accelerated falling phenomenon, and potential safety hazards exist.
Disclosure of Invention
In view of the above technical problems, the invention aims to disclose a building construction platform anti-falling device, which ensures that platform braking can be realized under the condition of failure of a hydraulic system.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the utility model provides a building construction platform anti-falling device, includes gear, rack, cardboard, normally closed stopper and hydraulic system, a plurality of the cardboard is fixed on lower cover frame, the upper end of rack is fixed on last cover frame and the lower extreme is unsettled, the middle section of rack is in reciprocate in the cardboard, the one end of normally closed stopper is installed the medial surface of lower cover frame and the other end pass through the connecting axle with gear connection, the gear with the rack meshing, hydraulic system includes hydraulic pump station, main valve, normally closed stopper cylinder, balanced valve, jacking cylinder, hydraulic lock and oil pipe, the stopper cylinder is located normally closed stopper, jacking cylinder's both ends are connected respectively go up the cover frame with lower cover frame, lower cover frame passes through the bolt fastening with building construction platform.
Preferably, the length of the rack is > the length of the upper carriage + the maximum length of the normally closed brake extension.
Preferably, the rack is a rigid rack and is inflexible.
Preferably, the upper sleeve frame is sleeved around the lifting column, and the upper sleeve frame is connected with the lifting column through an upper stepping device.
Preferably, the lower sleeve frame is sleeved around the lifting column, and the lower sleeve frame is connected with the lifting column through a lower stepping device.
Preferably, the building construction platform is one of a steel structure platform, an operation platform and a pouring platform.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
The anti-falling device for the building construction platform adopts a hydraulic lock and gear braking technology, realizes platform braking under the condition of failure of a hydraulic system, prevents the platform from further falling, and avoids accidents; the device has reliable anti-falling performance and reliable braking performance, and improves the safety of the platform.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of an embodiment of the present invention after installation;
FIG. 2 is a cross-sectional view of the AA of FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 2;
fig. 4 is a schematic view of the structure of the normally closed brake in the present embodiment;
FIG. 5 is a schematic illustration of the connection of a normally closed brake to a gear;
FIG. 6 is a schematic diagram of the hydraulic system of the present embodiment;
Reference numerals: 1-gear, 2-rack, 3-cardboard, 4-normally closed brake, 5-lower frame, 6-upper frame, 7-connecting axle, 8-construction platform, 9-jack-up cylinder, 10-hydraulic pump station, 11-main valve, 12-normally closed brake cylinder, 13-balanced valve, 14-hydraulic lock, 15-device of marking time, 16-device of marking time down, 17-lift post, 18-upset pneumatic cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth configuration and operation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected via an intermediary, or connected by communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-6, an anti-falling device for a building construction platform comprises a gear 1, a rack 2, a clamping plate 3, a normally closed brake 4 and a hydraulic system, wherein a plurality of clamping plates 3 are fixed on a lower sleeve frame 5, the upper end of the rack 2 is fixed on an upper sleeve frame 6, the lower end of the rack is suspended, the middle section of the rack 2 moves up and down in the clamping plate 3, the clamping plate 3 prevents the rack 2 from swinging left and right, one end of the normally closed brake 4 is arranged on the inner side surface of the lower sleeve frame 5, the other end of the normally closed brake 4 is connected with the gear 1 through a connecting shaft 7, the gear 1 is meshed with the rack 2, when the jacking cylinder 9 does not move, the normally closed brake 4 ensures that the gear 1 does not move, so that the upper sleeve frame 6 and the lower sleeve frame 5 are relatively static, the hydraulic system comprises a hydraulic pump station 10, a main valve 11, a normally closed brake cylinder 12, a balance valve 13, a jacking cylinder 9, a hydraulic lock 14 and an oil pipe, oil pipes, oil paths, the oil paths of which are provided for all parts of the hydraulic system, are positioned in the normally closed brake 4, the jacking cylinder 9, are respectively connected with the upper sleeve frame 6 and the lower sleeve frame 5, the jacking cylinder 9, when the jacking cylinder moves relatively to the lower sleeve 5, the building platform 8, and the building platform 8 can be constructed by moving relatively, and the lifting platform 8.
Further, the length of the rack 2 > the length of the upper carriage 6 + the maximum length of the normally closed brake 4 extended. By adopting the technical scheme, when the distance between the upper sleeve frame 6 and the lower sleeve frame 5 reaches the maximum, the rack 2 still accords with the movement length.
Further, the rack 2 is a rigid rack and is not bendable. By adopting the technical scheme, the rack 2 cannot be bent, and the rack 2 can be meshed with the gear 1.
Referring to fig. 4 to 5, the normally closed brake 4 of the present embodiment is a hydraulic disc brake. The normally closed brake 4 is connected with the connecting shaft 7 through a bolt, and the connecting shaft 7 is fixed with the gear 1 through a key.
Further, the upper sleeve frame 6 is sleeved around the lifting column 17, and the upper sleeve frame 6 is connected with the lifting column 17 through the upper stepping device 15.
Further, the lower sleeve frame 5 is sleeved around the lifting column 17, and the lower sleeve frame 5 is connected with the lifting column 17 through the lower stepping device 16.
The upper sleeve frame 6 is connected with the lower sleeve frame 5 through the jacking oil cylinder 9, the upper stepping device 15 and the lower stepping device 16 are contacted with the lifting column 17, and the lifting method of the building construction platform comprises the following steps:
S1, in an initial state, a stepping device of an upper sleeve frame 6 and a stepping device of a lower sleeve frame 5 are contacted with a lifting column 17;
S2, the stepping device of the upper sleeve frame 6 is turned to be in a vertical state under the action of a cylinder retracting function of the overturning hydraulic cylinder 18, so that interference with a cross rod of the lifting column 17 is avoided, and at the moment, support is provided by the lower sleeve frame 5 and the lifting cylinder 9;
S3, the upper sleeve frame 6 starts to ascend under the action of the extending cylinder of the jacking cylinder 9, and the guide mechanism provides guide for the upper sleeve frame 6;
S4, after the upper sleeve frame 6 reaches the position, the stepping device of the upper sleeve frame 6 rotates to be horizontal under the action of the extending cylinder of the overturning hydraulic cylinder 18, and the stepping device is contacted with the lifting column 17;
S5, the stepping device of the lower sleeve frame 5 is turned to be in a vertical state under the action of a cylinder retracting function of the overturning hydraulic cylinder 18, so that interference with a cross rod of the lifting column 17 is avoided, and at the moment, support is provided by the upper sleeve frame 6 and the lifting cylinder 9;
s6, the lower sleeve frame 5 starts to ascend under the action of the shrinkage cylinder of the jacking cylinder 9, and the guiding mechanism provides guiding for the lower sleeve frame 5;
s7, after the lower sleeve frame 5 reaches the position, the stepping device of the lower sleeve frame 5 rotates to be horizontal under the action of the extending cylinder of the overturning hydraulic cylinder 18, and the stepping device is contacted with the lifting column 17;
S8, finishing a climbing link, and circulating the steps, wherein the upper sleeve frame 6 is continuously lifted along the lifting column 17.
Specifically, two jacking cylinders are arranged between each group of upper sleeve frame 6 and lower sleeve frame 5, 8 upper stepping devices 15 are arranged on the upper sleeve frame 6, 8 lower stepping devices 16 are arranged on the lower sleeve frame 5, and each upper stepping device 15 or each lower stepping device 16 comprises a turnover hydraulic cylinder 18.
Further, the building construction platform 8 is one of a steel structure platform, an operation platform and a pouring platform.
In this embodiment, the building construction platform 8 is connected to the lower frame 5, and in other embodiments, the building construction platform 8 can also be connected to the upper frame 6.
Fig. 6 is a schematic diagram of a hydraulic system of the present device, and the anti-falling principle of the present device is as follows:
1. The hydraulic pump station 10 supplies oil to the whole hydraulic system, after the oil passes through the main valve 11, the oil is divided into two paths, the first path reaches the normally closed brake cylinder 12, the spring in the cylinder is compressed, the normally closed brake cylinder 12 is contracted, the gear 1 can rotate, the second path reaches the jacking cylinder 9 through the hydraulic lock 14, the jacking cylinder 9 extends to the cylinder, the relative distance between the upper sleeve frame 6 and the lower sleeve frame 5 is increased, namely the upper sleeve frame 6 climbs upwards or the lower sleeve frame 5 climbs downwards;
2. When the oil flows to the hydraulic pump, the oil of the jacking oil cylinder 9 passes through the hydraulic lock 14 and the balance valve 13 and is divided into two paths, wherein the first path reaches the normally closed brake oil cylinder 12, the spring in the oil cylinder is compressed, the normally closed brake oil cylinder 12 is contracted, the gear 1 can rotate, and the second path reaches the hydraulic pump station 10 after passing through the main valve 11; at the moment, the jack-up cylinder 9 contracts, the relative distance between the upper sleeve frame 6 and the lower sleeve frame 5 is reduced, namely the lower sleeve frame 5 climbs upwards or the upper sleeve frame 6 climbs downwards; the balance valve 13 provides a deceleration effect for the cylinder shrinking process and prevents the platform from falling too fast;
3. when the hydraulic oil cannot be normally supplied, the oil in the normally closed brake cylinder 12 is insufficient, the normally closed brake cylinder 12 brakes the gear 1, the building construction platform 8 is prevented from being further lowered, and the safety is improved.
When the upper sleeve frame 6 or the lower sleeve frame 5 climbs upwards or downwards, and the hydraulic system fails, the whole device has the following functions:
1. The stepping device on one of the upper sleeve frame 6 or the lower sleeve frame 5 is clamped on the lifting column 17;
2. the jacking cylinder 9 ensures that the maximum distance between the upper and lower shelves 6, 5 = the length of the jacking cylinder 9 at maximum extension-the length of the lower shelf 5;
3. the balance valve 13 ensures that the upper sleeve frame 6 or the lower sleeve frame 5 does not fall at a higher speed when falling;
4. the normally closed brake cylinder 12 brakes the gear 1, ensuring that the distance between the upper and lower bushings 6, 5 does not increase further.
The anti-falling device for the building construction platform adopts the hydraulic lock 14 and gear 1 braking technology, and realizes the braking of the platform under the condition of failure of a hydraulic system, thereby preventing the platform from further falling and avoiding accidents; the device has reliable anti-falling performance and reliable braking performance, and improves the safety of the platform.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a building construction platform anti-falling device, includes gear, rack, cardboard, normally closed stopper and hydraulic system, its characterized in that, a plurality of the cardboard is fixed on lower cover frame, the upper end of rack is fixed on upper cover frame and the lower extreme is unsettled, the middle section of rack reciprocates in the cardboard, normally closed stopper one end is installed the medial surface of lower cover frame and the other end passes through the connecting axle with gear connection, the gear with the rack meshing, hydraulic system includes hydraulic pump station, main valve, normally closed stopper jar, balanced valve, jack-up cylinder, hydraulic lock and oil pipe, normally closed stopper jar is located normally closed stopper, the both ends of jack-up cylinder are connected respectively upper cover frame with lower cover frame, lower cover frame passes through the bolt fastening with building construction platform;
The hydraulic pump station supplies oil to the whole hydraulic system, after the oil passes through the main valve, the oil is divided into two paths, the first path reaches a normally closed brake oil cylinder, a spring in the oil cylinder is compressed, the normally closed brake oil cylinder is contracted, a gear rotates, the second path reaches a jacking oil cylinder through a hydraulic lock, the jacking oil cylinder extends out of the oil cylinder, and the relative distance between the upper sleeve frame and the lower sleeve frame is increased, namely the upper sleeve frame climbs upwards or the lower sleeve frame climbs downwards;
When the oil flows to the hydraulic pump, the oil of the jacking oil cylinder passes through the hydraulic lock and the balance valve and is divided into two paths, the first path reaches the normally closed brake oil cylinder, the spring in the oil cylinder is compressed, the normally closed brake oil cylinder is contracted, the gear rotates, and the second path reaches the hydraulic pump station after passing through the main valve; at the moment, the jack-up cylinder contracts, the relative distance between the upper sleeve frame and the lower sleeve frame is reduced, namely the lower sleeve frame climbs upwards or the upper sleeve frame climbs downwards;
When the hydraulic oil cannot be normally supplied, the oil in the normally closed brake cylinder is insufficient, and the normally closed brake cylinder brakes the gear.
2. The building construction platform fall arrest device according to claim 1, wherein a length of said rack is > a length of said upper housing + a maximum length of said normally closed brake extension.
3. The building construction platform fall arrest device according to claim 1, wherein the rack is a rigid rack and is inflexible.
4. The building construction platform fall protection device according to claim 1, wherein the upper sleeve frame is sleeved around the lifting column, and the upper sleeve frame is connected with the lifting column through an upper stepping device.
5. The building construction platform fall protection device according to claim 1, wherein the lower sleeve frame is sleeved around the lifting column, and the lower sleeve frame is connected with the lifting column through a lower stepping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906737.5A CN111910906B (en) | 2020-09-02 | 2020-09-02 | Building construction platform anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906737.5A CN111910906B (en) | 2020-09-02 | 2020-09-02 | Building construction platform anti-falling device |
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| Publication Number | Publication Date |
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| CN111910906A CN111910906A (en) | 2020-11-10 |
| CN111910906B true CN111910906B (en) | 2024-10-01 |
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| CN202010906737.5A Active CN111910906B (en) | 2020-09-02 | 2020-09-02 | Building construction platform anti-falling device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212535030U (en) * | 2020-09-02 | 2021-02-12 | 深圳市卓越工业化智能建造开发有限公司 | An anti-fall device for a building construction platform |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1354665B1 (en) * | 2002-04-18 | 2008-06-25 | Güdel Group Ag | Linear drive for an an industrial robot or a machine tool |
| CN103628716B (en) * | 2013-12-04 | 2015-12-16 | 江西中天机械有限公司 | garage lifting platform hydraulic four-wheel braking device |
| CN110017019B (en) * | 2019-05-14 | 2024-03-01 | 中建海峡建设发展有限公司 | Hydraulic climbing formwork system and construction method thereof |
| CN110255387A (en) * | 2019-06-13 | 2019-09-20 | 深圳市协鹏建筑与工程设计有限公司福田分公司 | One kind is for building machinery and construction synchronization lifting structure and elevating method |
| CN110713131A (en) * | 2019-09-20 | 2020-01-21 | 西南交通大学 | Servo lifting device based on electromagnetic braking |
| CN110615392B (en) * | 2019-10-22 | 2024-07-30 | 徐州圣诺动力传动机械有限公司 | A high-safety scissor-type aerial work platform hydraulic system |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212535030U (en) * | 2020-09-02 | 2021-02-12 | 深圳市卓越工业化智能建造开发有限公司 | An anti-fall device for a building construction platform |
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