CN114084788A - Membrane body hoisting device and method without damaging membrane unit - Google Patents
Membrane body hoisting device and method without damaging membrane unit Download PDFInfo
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- CN114084788A CN114084788A CN202111236734.6A CN202111236734A CN114084788A CN 114084788 A CN114084788 A CN 114084788A CN 202111236734 A CN202111236734 A CN 202111236734A CN 114084788 A CN114084788 A CN 114084788A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H47/00—Unfolding thin limp material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/04—Kinds or types
- B65H75/16—Cans or receptacles, e.g. sliver cans
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/28—Arrangements for positively securing ends of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
- B65H2701/1752—Polymer film
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tents Or Canopies (AREA)
Abstract
The invention relates to a membrane body hoisting device and method without damaging a membrane unit, which comprises a box body, wherein the box body is connected with a lifting rope of a crane, and a clamping mechanism is arranged in the box body and used for clamping a membrane edge on one side of a membrane body; an opening is formed in one side of the box body, and a covering plate is rotatably arranged on the box body close to the opening side of the side; the box body is also provided with a closing part, and the closing part is used for fixing the covering plate at a position for covering the side opening of the box body; the box body is also provided with a transmission mechanism, the transmission mechanism drives the clamping mechanism to clamp the film body after the cover plate is closed, and drives the clamping mechanism to release the film body after the cover plate is opened; the downside of box also the opening setting, is close to the lower extreme opening part on the box and also articulates and is provided with the open-close board, is provided with the starting and stopping mechanism who is used for driving the open-close board to open and close on the box. The film body is not fragile when hoist and mount and hang the effect of convenient paving film body to set position back.
Description
Technical Field
The application relates to the field of ETFE membrane hoisting technology, in particular to a membrane body hoisting device and a hoisting method without damaging a membrane unit.
Background
The ETFE membrane material is composed of ethylene-tetrafluoroethylene copolymer, which is a transparent membrane material without a fabric base material, and the elongation of the ETFE membrane material can reach 420-440%. The light transmission spectrum of the ETFE film material is similar to that of glass, the ETFE film material is commonly called soft glass, and the ETFE film material is suitable for building roofs or walls of building spaces needing sufficient indoor sunlight.
On the large-span arc-shaped steel-wood truss, an ETFE film needs to be stretched, so that the indoor lighting effect is improved, and the outside sunlight can illuminate a large area of the room; in general, workers can directly pack the membrane body into a coil, then simply tie the coil and then hang the coil above the large-span arc-shaped steel-wood truss through a crane, and then lay the membrane body to realize the paving of the ETFE membrane.
Aiming at the related technologies, the inventor thinks that the film body is directly packed into a roll and then bound, the film body is easy to damage during binding, and the film body falls off from the high altitude slightly carelessly when being directly exposed, hoisted and moved upwards after being simply bound, and the film body is also damaged; therefore, the binding process takes a lot of time to bind the membrane body firmly, but the membrane body is inconvenient to disassemble.
Disclosure of Invention
In order to not be damaged easily during hoisting and to conveniently spread the membrane body after being hoisted to a set position, the application provides a membrane body hoisting device and a hoisting method without damaging a membrane unit.
The application provides a do not harm membrane body hoist device of membrane unit adopts following technical scheme:
a membrane body hoisting device without damaging a membrane unit comprises a box body, wherein the box body is connected with a lifting rope of a crane, and a clamping mechanism is arranged in the box body and used for clamping a membrane edge on one side of a membrane body; an opening is formed in one side of the box body, and a shielding plate is rotatably arranged on the box body close to the opening side; the box body is also provided with a closing part, and the closing part is used for fixing the covering plate at a position for covering the side opening of the box body; the box body is also provided with a transmission mechanism, the transmission mechanism drives the clamping mechanism to clamp the film body after the cover plate is closed, and drives the clamping mechanism to release the film body after the cover plate is opened; the downside of box also the opening sets up, it is provided with the open-close board also to articulate near lower extreme opening part on the box, be provided with the operating mechanism who is used for driving the open-close board to open and close on the box.
By adopting the technical scheme, when the film body is hoisted, the film body is firstly wound, then the covering plate is opened, the wound film body is placed in the box body, then one film edge of the film body is pulled out and placed on the clamping mechanism, then the covering plate is closed, and the covering plate is fixed at the covering position through the closing member; at this moment, under the effect of drive mechanism, fixture can be automatic hold one side membrane limit of membrane body, then is connected the lifting rope of box and crane, hangs whole box to the top of large-span arc steel-wood truss. Start the starting and stopping mechanism for the open-close board is opened, and the film body of coiling this moment can be followed the box and fallen out, and roll to on the large-span arc steel wood truss from the open-close board, but fixture still cliies one side film limit of film body, is difficult for sliding at will when making the film body stand out and spread. After paving, manually open the cover plate again, let the automatic one side membrane limit that loosens the membrane body of centre gripping subassembly, take out one side membrane limit of membrane body in the box at last and spread the upper surface of large-span arc steel-wood truss again can. After the arrangement, the membrane body is not required to be bound for a large amount of time, so that the membrane body is not easy to be bound and damaged, and the membrane body is more convenient to pave.
Optionally, fixture includes drive assembly and extrusion subassembly, drive assembly installs on the box, extrusion subassembly is provided with two and all installs on drive assembly, drive assembly is used for driving two extrusion subassemblies and is close to each other or keep away from, two be used for placing one side membrane limit of membrane body between the extrusion subassembly, drive mechanism is connected with the drive assembly transmission.
Adopt above-mentioned technical scheme, place one side membrane limit of the membrane body back between two extrusion subassemblies, close the apron, let drive mechanism drive assembly operation, order about two extrusion subassemblies after that and be close to each other, give the centre gripping to one side membrane limit of the membrane body, realize the effect to the automatic centre gripping of membrane body.
Optionally, a driving cover is arranged on an outer box wall of the box body, which is away from the side opening, and the driving assembly comprises a bidirectional screw rod and an extrusion sleeve; the bidirectional screw rod is rotatably arranged in the driving cover, the length direction of the bidirectional screw rod is parallel to the height direction of the box body, the two extrusion sleeves are provided with two bar sections which are respectively sleeved with threads in opposite screwing directions of two sections of threads of the bidirectional screw rod, the extrusion assemblies are arranged on the extrusion sleeves, and one extrusion assembly corresponds to one extrusion sleeve; when the cover plate rotates, the transmission mechanism drives the bidirectional screw rod to rotate; the lateral wall of the driving cover is provided with a sliding groove consistent with the length direction of the bidirectional screw rod, the extrusion sleeve is provided with a sliding block, and the sliding block is in splicing fit with the sliding groove.
By adopting the technical scheme, when the cover plate is rotated and closed, the transmission mechanism drives the bidirectional screw rod to rotate, and the extrusion sleeve is sleeved on the bidirectional screw rod in a threaded manner, and the sliding block on the extrusion sleeve is inserted in the sliding groove, so that the extrusion sleeve cannot rotate along with the bidirectional screw rod, but can move along the length direction of the bidirectional screw rod, that is, two extrusion sleeves are mutually close to or far away, and then two extrusion assemblies are easily close to or far away from each other.
Optionally, the extrusion assembly includes an extension rod and an extrusion plate; the extension rod is installed on the extrusion sleeve, a sliding strip hole is formed in the box wall, close to the driving cover, of the box body, the length direction of the sliding strip hole is consistent with the length direction of the bidirectional screw rod, and one end of the extension rod penetrates through the sliding strip hole and extends into the box body; the extrusion plates are arranged at one end of the extension rod in the box body, and the two extrusion plates are opposite to each other in the vertical direction.
Adopt above-mentioned technical scheme, when two extrusion sleeves were close to each other, two stripper plates also can be close to each other for place one side membrane limit of the membrane body between two stripper plates and cliied, reach the comparatively convenient effect of centre gripping membrane body.
Optionally, the two opposite surfaces of the extrusion plates are covered with rubber layers.
Adopt above-mentioned technical scheme, the setting on rubber layer can let two stripper plates be difficult for causing the extrusion damage to the diaphragm when the centre gripping diaphragm to rubber layer itself has better ductility, can let the diaphragm by the centre gripping more stable.
Optionally, be located box side open-ended top on the box and be provided with a plurality of barrels, it is a plurality of the barrel arranges the setting along the length direction of box, a curb plate edge of apron is provided with the dwang, the dwang rotates to insert and establishes in a plurality of barrels.
By adopting the technical scheme, the arrangement of the cylinder body and the rotating rod can ensure that the cover plate can normally rotate on the box body.
Optionally, the transmission mechanism includes a transmission rod, a first bevel gear and a second bevel gear; a transmission cavity is formed in the box wall, close to the rotating rod, of the box body, the rotating rod is rotatably arranged in the transmission cavity, the transmission cavity extends out of two ends of the transmission rod, the first bevel gear is coaxially arranged at one end of the transmission rod, a third bevel gear is coaxially arranged on the rotating rod, and the first bevel gear is meshed with the third bevel gear; the second bevel gear is coaxially arranged at the other end of the transmission rod, one end of the bidirectional screw rod extends to the outer side of the driving cover, and a fourth bevel gear meshed with the second bevel gear is coaxially arranged at one end of the bidirectional screw rod, which is positioned at the outer side of the driving cover; when the cover plate covers the side opening of the box body, the rubber layers on the two extrusion plates are tightly attached.
Adopt above-mentioned technical scheme, when artifical manual when pushing away the apron and rotating, the dwang also can rotate this moment to drive third bevel gear and rotate. Because third bevel gear and first bevel gear mesh mutually, consequently first bevel gear also can rotate, and then drive second bevel gear and rotate, and second bevel gear rotates with fourth bevel gear again, consequently can drive two-way lead screw and rotate, then can drive two grip blocks and be close to each other or keep away from after two-way lead screw rotates. After the arrangement, the clamping and the loosening of the film body can be realized directly by opening or closing the cover plate, and a higher automatic clamping effect is realized.
Optionally, the closing member includes the magnet strip that sets up in box side opening both sides, the position that corresponds the magnet strip on the cover plate is provided with iron plate, the cover plate covers the box side opening after, the magnet strip laminates with iron plate mutually.
Adopt above-mentioned technical scheme, when closing the apron, magnet strip and iron plate are laminated mutually, and under the effect of magnetic adsorption ground, magnet strip can tightly laminate on iron plate to reach the fixed effect of apron.
Optionally, the opening and closing mechanism comprises an air cylinder and a sliding sleeve; the cylinder sets up on the lateral wall of box and the vertical downwardly extending of piston rod of cylinder, the articulated piston rod tip that sets up at the cylinder of sliding sleeve, open-close plate's curb plate edge is provided with the slide bar, the length direction of slide bar is unanimous with the length direction at open-close plate's curb plate edge, sliding sleeve slip cover is established on the slide bar.
By adopting the technical scheme, when the opening plate needs to be opened, the air cylinder is directly started, so that the piston rod of the air cylinder vertically extends downwards, the sliding sleeve is driven to slide on the sliding rod, and pressure is applied to prop the opening plate from the box body; and on the plywood need be closed, let the piston rod of cylinder shorten, drive the sliding sleeve and shift up, draw back the position that covers the opening of box lower extreme again with the plywood, reach the drive plywood and open and close comparatively convenient effect.
The film body hoisting method without damaging the film unit adopts the following technical scheme:
a membrane body hoisting method without damaging a membrane unit comprises the following steps:
packaging and coiling: the ETFE membrane is wound up, then the cover plate is opened and placed in the box body, and the membrane edge on one side of the ETFE membrane is placed in the clamping mechanism;
an upper hoisting step: closing the covering plate, allowing the clamping mechanism to automatically clamp the ETFE membrane under the action of the transmission mechanism, then connecting the box body with a lifting rope of a crane, and starting the crane to pull up the box body;
a membrane body unfolding step: after the box body is lifted to the position above the large-span arc-shaped steel-wood truss, the length direction of the box body is consistent with the arrangement direction of the large-span arc-shaped steel-wood truss, then the opening and closing plate is opened through the opening and closing mechanism, the wound part of the wound ETFE membrane slides out from the lower end opening of the box body, and the ETFE membrane is automatically unfolded on the large-span arc-shaped steel-wood truss;
clamping the film edge and taking down: and (3) a worker opens the covering plate, so that the clamping mechanism automatically loosens one side film edge of the ETFE membrane, and the worker takes out the one side film edge of the ETFE membrane from the box body and lays the film edge on the surface of the large-span arc-shaped steel-wood truss.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the film body is hoisted, firstly, the film body is wound, then the covering plate is opened, the wound film body is placed in the box body, then, one film edge of the film body is pulled out and placed on the clamping mechanism, then, the covering plate is closed, and the covering plate is fixed at a covering position through the closing piece; at this moment, under the effect of drive mechanism, fixture can be automatic hold one side membrane limit of membrane body, then is connected the lifting rope of box and crane, hangs whole box to the top of large-span arc steel-wood truss. Start the starting and stopping mechanism for the open-close board is opened, and the film body of coiling this moment can be followed the box and fallen out, and roll to on the large-span arc steel wood truss from the open-close board, but fixture still cliies one side film limit of film body, is difficult for sliding at will when making the film body stand out and spread. After paving, manually open the cover plate again, let the automatic one side membrane limit that loosens the membrane body of centre gripping subassembly, take out one side membrane limit of membrane body in the box at last and spread the upper surface of large-span arc steel-wood truss again can. After the arrangement, the membrane body is not bound by spending a large amount of time, so that the membrane body is not easy to be bound and damaged, and the membrane body is more convenient to pave;
2. when the cover plate is manually pushed to rotate, the rotating rod can rotate at the moment, so that the third bevel gear is driven to rotate. Because third bevel gear and first bevel gear mesh mutually, consequently first bevel gear also can rotate, and then drive second bevel gear and rotate, and second bevel gear rotates with fourth bevel gear again, consequently can drive two-way lead screw and rotate, then can drive two grip blocks and be close to each other or keep away from after two-way lead screw rotates. After the arrangement, the clamping and the loosening of the film body can be realized directly by opening or closing the cover plate, so that a higher automatic clamping effect is realized;
3. when the opening plate needs to be opened, the air cylinder is directly started, so that a piston rod of the air cylinder vertically extends downwards, the sliding sleeve is driven to slide on the sliding rod, and pressure is applied to push the opening plate away from the box body; and on the plywood need be closed, let the piston rod of cylinder shorten, drive the sliding sleeve and shift up, draw back the position that covers the opening of box lower extreme again with the plywood, reach the drive plywood and open and close comparatively convenient effect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
FIG. 2 is a partial cross-sectional view of an embodiment of the present application showing the interior of the case.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram for showing an open state of the cover plate according to an embodiment of the present application.
Fig. 5 is an enlarged view of a portion B in fig. 4.
Description of reference numerals:
1. a box body; 11. a sliding bar hole; 12. a barrel; 13. a transmission cavity; 2. a clamping mechanism; 21. a drive assembly; 211. a bidirectional lead screw; 2111. a fourth bevel gear; 212. extruding the sleeve; 2121. a slider; 22. an extrusion assembly; 221. an extension rod; 222. a pressing plate; 2221. a rubber layer; 3. a cover plate; 31. rotating the rod; 311. a third bevel gear; 32. mounting blocks; 4. a transmission mechanism; 41. a transmission rod; 42. a first bevel gear; 43. a second bevel gear; 5. opening and closing the board; 51. a slide bar; 6. an opening and closing mechanism; 61. a cylinder; 62. a sliding sleeve; 7. a drive housing; 71. a sliding groove; 8. a magnet bar; 9. an iron plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a membrane body hoisting device without damaging a membrane unit, and with reference to fig. 1 and 2, the membrane body hoisting device comprises a box body 1, wherein the box body 1 is cuboid. The box body 1 is connected with a lifting rope of a crane, a clamping mechanism 2 is arranged in the box body 1, and the clamping mechanism 2 is used for clamping one side of a film edge of a film body; an opening is formed in one side of the box body 1, a covering plate 3 is rotatably arranged on the box body 1 close to the opening side, and the plate surface of the covering plate 3 is rectangular; the box body 1 is also provided with a closing part, and the closing part is used for fixing the shielding plate 3 at a position for shielding the side opening of the box body 1; the box body 1 is also provided with a transmission mechanism 4, the transmission mechanism 4 drives the clamping mechanism 2 to clamp the film body after the cover plate 3 is closed, and drives the clamping mechanism 2 to release the film body after the cover plate 3 is opened; the lower side of the box body 1 is also provided with an opening, the opening part close to the lower end of the box body 1 is also provided with a hinged opening-closing plate 5, the shape of the surface of the opening-closing plate 5 is also rectangular, and the box body 1 is provided with an opening-closing mechanism 6 for driving the opening and closing of the opening-closing plate 5.
With reference to fig. 2 and 3, the clamping mechanism 2 includes two driving assemblies 21 and two squeezing assemblies 22, the two squeezing assemblies 22 are mounted on the driving assemblies 21, and the driving cover 7 is mounted on the outer box wall of the box 1, which is away from the side opening of the box 1. The driving assembly 21 includes a bidirectional screw 211 and a pressing sleeve 212, the bidirectional screw 211 is rotatably disposed in the driving cover 7, and the length direction of the bidirectional screw 211 is consistent with the height direction of the box 1. Rolling bearings are embedded in the upper and lower cover walls of the driving cover 7, and two ends of the bidirectional screw 211 respectively penetrate through the inner rings of the rolling bearings and are in interference fit with the rolling bearings. The extrusion sleeve 212 is hollow, and two ends of the extrusion sleeve are open, and a thread matched with the bidirectional screw 211 is arranged on the inner cylinder wall of the extrusion sleeve 212, that is, the extrusion sleeve 212 is matched with the bidirectional screw 211 in a threaded manner. Two screw sections with opposite screw threads of the bidirectional screw 211 are respectively sleeved with a squeezing sleeve 212, and each squeezing sleeve 212 is provided with a squeezing assembly 22. The side wall of the driving cover 7 is provided with a sliding groove 71 which is consistent with the length direction of the bidirectional screw 211, two extrusion sleeves 212 are respectively provided with a sliding block 2121, and the two sliding blocks 2121 are respectively matched with the sliding groove 71 in an inserting manner.
Referring to fig. 2 and 3, the pressing assembly 22 includes an extension rod 221 and a pressing plate 222; a sliding strip hole 11 is formed in the wall, facing the driving cover 7, of the box body 1, the length direction of the sliding strip hole 11 is consistent with that of the bidirectional screw 211, one end of an extension rod 221 is connected with the outer cylinder wall of the extrusion sleeve 212, the other end of the extension rod horizontally penetrates through the sliding strip hole 11 and then extends into the box body 1, and the extrusion plate 222 is installed at one end, located in the box body 1, of the extension rod 221. The surfaces of the two extrusion plates 222 are horizontally arranged, the surfaces of the two extrusion plates 222 are opposite to each other in the vertical direction, and the surfaces of the two extrusion plates 222 opposite to each other are covered with a rubber layer 2221. The transmission mechanism 4 is in transmission connection with the driving assembly 21, i.e. when the cover plate 3 rotates, the transmission mechanism 4 drives the bidirectional screw 211 to rotate.
When the cover plate 3 is rotated and closed, the transmission mechanism 4 drives the bidirectional screw 211 to rotate, because the thread sleeve of the extrusion sleeve 212 is sleeved on the bidirectional screw 211, and the sliding block 2121 on the extrusion sleeve 212 is inserted in the sliding groove 71, the extrusion sleeve 212 cannot rotate along with the bidirectional screw 211, but can move along the length direction of the bidirectional screw 211, namely, the two extrusion sleeves 212 are close to or away from each other, so that the two extrusion plates 222 can be close to each other, one side of a film body placed between the two extrusion plates 222 is clamped, and the effect of clamping the film body conveniently is achieved. Similarly, when the cover plate 3 is opened, the transmission mechanism 4 drives the bidirectional screw 211 to rotate, so that the two squeezing plates 222 can be separated from each other, and the film bodies placed on the two squeezing plates 222 are loosened.
With reference to fig. 4 and 5, specifically, a plurality of barrels 12 are arranged above an opening of the box 1 side on the box 1, the plurality of barrels 12 are arranged along the length direction of the box 1, a rotating rod 31 is arranged on one side plate edge of the covering plate 3, i.e., mounting blocks 32 are arranged at two ends of the covering plate 3, the rotating rod 31 is welded between the two mounting blocks 32, and the rotating rod 31 is inserted into the plurality of barrels 12. With reference to fig. 2 and 3, the transmission mechanism 4 includes a transmission rod 41, a first bevel gear 42 and a second bevel gear 43; a transmission cavity 13 is formed in the wall of the box body 1 close to the rotating rod 31, the transmission rod 41 is rotatably arranged in the transmission cavity 13, the transmission cavity 13 extends from both ends of the transmission rod 41, the first bevel gear 42 is coaxially arranged at one end of the transmission rod 41, the third bevel gear 311 is coaxially arranged on the rotating rod 31, and the first bevel gear 42 is meshed with the third bevel gear 311; the second bevel gear 43 is coaxially arranged at the other end of the transmission rod 41, one end of the bidirectional screw 211 extends to the outer side of the driving cover 7, and a fourth bevel gear 2111 meshed with the second bevel gear 43 is coaxially arranged at one end of the bidirectional screw 211 positioned on the outer side of the driving cover 7; when the cover plate 3 covers the side opening of the box body 1, the rubber layers 2221 on the two extrusion plates 222 are tightly attached. It should be noted that, in the present application, the length direction of the transmission rod 41 is perpendicular to the length direction of the bidirectional screw 211.
When the cover plate 3 is manually pushed to rotate, the rotating rod 31 also rotates at this time, so as to drive the third bevel gear 311 to rotate. Because the third bevel gear 311 is engaged with the first bevel gear 42, the first bevel gear 42 also rotates to drive the second bevel gear 43 to rotate, and the second bevel gear 43 rotates with the fourth bevel gear 2111 to drive the two-way screw 211 to rotate, and the two-way screw 211 drives the two clamping plates to approach or separate from each other after rotating. After the arrangement, the clamping and the loosening of the film body can be realized directly by opening or closing the cover plate 3, and the effect of automatically clamping the film body placed between the two squeezing plates 222 is realized.
As shown in fig. 4 and 5, the closing member includes a magnet strip 8 disposed on both sides of the opening of the box 1, an iron plate 9 is disposed on the covering plate 3 corresponding to the magnet strip 8, and after the opening of the box 1 is covered by the covering plate 3, the magnet strip 8 is attached to the iron plate 9. When the cover plate 3 is closed, the magnet strip 8 is attached to the iron plate 9, and under the action of magnetic adsorption, the magnet strip 8 can be tightly attached to the iron plate 9, so that the effect of fixing the cover plate 3 is achieved.
With reference to fig. 4 and 5, the opening and closing mechanism 6 includes a cylinder 61 and a sliding sleeve 62; the cylinder 61 is arranged on the outer side wall of the box body 1, a piston rod of the cylinder 61 vertically extends downwards, the sliding sleeve 62 is hinged to the end portion of the piston rod of the cylinder 61, the side plate edge of the opening plate 5 is provided with the sliding rod 51, the length direction of the sliding rod 51 is consistent with the length direction of the side plate edge of the opening plate 5, and the sliding sleeve 62 is sleeved on the sliding rod 51 in a sliding mode; in the present embodiment, the opening and closing mechanism 6 is provided with one set on each of the two outer end walls of the box 1, and the cylinders 61 in the opening and closing mechanism 6 are operated synchronously.
When the opening plate 5 needs to be opened, the air cylinder 61 is directly started, so that a piston rod of the air cylinder 61 vertically extends downwards, the sliding sleeve 62 is driven to slide on the sliding rod 51, and pressure is applied to prop the opening plate 5 away from the box body 1; and on the plywood 5 need be closed, let the piston rod of cylinder 61 shorten, drive sliding sleeve 62 and shift up, draw back the position that covers the opening of box 1 lower extreme with plywood 5 again, reach drive plywood 5 and open and close comparatively convenient effect.
The embodiment of the application also discloses a membrane body hoisting method without damaging the membrane unit, which comprises the following steps:
packaging and coiling: the ETFE membrane is wound up, then the cover plate 3 is opened and placed in the box body 1, and one side membrane edge of the ETFE membrane is placed in the clamping mechanism 2;
an upper hoisting step: closing the cover plate 3, allowing the clamping mechanism 2 to automatically clamp the ETFE membrane under the action of the transmission mechanism 4, then connecting the box body 1 with a lifting rope of a crane, and starting the crane to pull up the box body 1;
a membrane body unfolding step: after the box body 1 is lifted to the position above the large-span arc-shaped steel-wood truss, the length direction of the box body 1 is kept consistent with the arrangement direction of the large-span arc-shaped steel-wood truss, then the opening and closing mechanism 6 is used for opening the opening and closing plate 5, the wound part of the ETFE film is enabled to slide out from the lower end opening of the box body 1, and the ETFE film is enabled to automatically expand on the large-span arc-shaped steel-wood truss;
clamping the film edge and taking down: and (3) allowing a worker to open the covering plate 3, allowing the clamping mechanism 2 to automatically release the film edge on one side of the ETFE membrane, immediately allowing the worker to take out the film edge on one side of the ETFE membrane from the box body 1, and paving the film edge on the surface of the large-span arc-shaped steel-wood truss.
The implementation principle of the membrane body hoisting device and hoisting method without damaging the membrane unit in the embodiment of the application is as follows: when the film body is hoisted, firstly, the film body is wound, then the covering plate 3 is opened, the wound film body is placed in the box body 1, then one film edge of the film body is pulled out and placed on the clamping mechanism 2, then the covering plate 3 is closed, and the covering plate 3 is fixed at a covering position through the closing piece; at this moment, under the effect of drive mechanism 4, fixture 2 can be automatic to be held one side membrane limit of membrane body, then is connected box 1 with the lifting rope of crane, hangs whole box 1 to the top of large-span arc steel-wood truss. Start the starting and stopping mechanism 6 for the open-close board 5 is opened, and the membrane body that convolutes this moment can be followed and fallen out in the box 1, and roll to the large-span arc steel wood truss from open-close board 5 on, but fixture 2 still cliies one side membrane limit of the membrane body, is difficult for sliding at will when making the membrane body stand out. After paving, manually open the cover plate 3 again, let the automatic one side membrane limit of loosening the membrane body of centre gripping subassembly, take out one side membrane limit of membrane body from box 1 at last and again spread the upper surface of large-span arc steel-wood truss can. After the arrangement, the membrane body is not required to be bound for a large amount of time, so that the membrane body is not easy to be bound and damaged, and the membrane body is more convenient to pave.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a do not harm membrane body hoist device of membrane unit which characterized in that: the film edge clamping device comprises a box body (1), wherein the box body (1) is connected with a lifting rope of a crane, a clamping mechanism (2) is arranged in the box body (1), and the clamping mechanism (2) is used for clamping one side of a film edge of a film body; an opening is formed in one side of the box body (1), and a shielding plate (3) is rotatably arranged on the box body (1) close to the opening side; the box body (1) is also provided with a closing piece, and the closing piece is used for fixing the cover plate (3) at a position for covering the side opening of the box body (1); the box body (1) is also provided with a transmission mechanism (4), the transmission mechanism (4) drives the clamping mechanism (2) to clamp the film body after the cover plate (3) is closed, and drives the clamping mechanism (2) to loosen the film body after the cover plate (3) is opened; the downside of box (1) also the opening setting, it also articulates open-close board (5) to be provided with near lower extreme opening part on box (1), be provided with on box (1) and be used for driving open-close board (5) and open and close hoist mechanism (6).
2. The membrane body hoisting device without damaging the membrane unit according to claim 1, wherein: fixture (2) are including drive assembly (21) and extrusion subassembly (22), drive assembly (21) are installed on box (1), extrusion subassembly (22) are provided with two and all install on drive assembly (21), drive assembly (21) are used for driving two extrusion subassemblies (22) and are close to each other or keep away from, two be used for placing one side membrane limit of membrane body between extrusion subassembly (22), drive mechanism (4) are connected with drive assembly (21) transmission.
3. The membrane body hoisting device without damaging the membrane unit according to claim 2, wherein: a driving cover (7) is arranged on the outer box wall of the box body (1) deviating from the side opening, and the driving assembly (21) comprises a bidirectional screw rod (211) and an extrusion sleeve (212); the bidirectional screw rod (211) is rotatably arranged in the driving cover (7), the length direction of the bidirectional screw rod (211) is parallel to the height direction of the box body (1), the two extrusion sleeves (212) are provided with two screw sections which are respectively sleeved on the two screw sections of the bidirectional screw rod (211) in opposite screw thread rotating directions in a threaded manner, the extrusion assemblies (22) are arranged on the extrusion sleeves (212), and one extrusion assembly (22) corresponds to one extrusion sleeve (212); when the cover plate (3) rotates, the transmission mechanism (4) drives the bidirectional screw rod (211) to rotate; the side wall of the driving cover (7) is provided with a sliding groove (71) consistent with the length direction of the bidirectional screw rod (211), the extrusion sleeve (212) is provided with a sliding block (2121), and the sliding block (2121) is in inserting fit with the sliding groove (71).
4. The membrane body hoisting device without damaging the membrane unit according to claim 3, wherein: the extrusion assembly (22) comprises an extension rod (221) and an extrusion plate (222); the extension rod (221) is installed on the extrusion sleeve (212), a sliding strip hole (11) is formed in the wall, close to the driving cover (7), of the box body (1), the length direction of the sliding strip hole (11) is consistent with that of the bidirectional screw rod (211), and one end of the extension rod (221) penetrates through the sliding strip hole (11) and extends into the box body (1); the extrusion plates (222) are arranged at one end of the extension rod (221) in the box body (1), and the two extrusion plates (222) are opposite to each other in the vertical direction.
5. The membrane body hoisting device without damaging the membrane unit according to claim 4, wherein: the opposite plate surfaces of the two extrusion plates (222) are respectively covered with a rubber layer (2221).
6. The membrane body hoisting device without damaging the membrane unit according to claim 4, wherein: box (1) is last to be located box (1) open side open-sided top and is provided with a plurality of barrels (12), and is a plurality of barrel (12) are arranged along the length direction of box (1) and are set up, a curb plate edge of apron (3) is provided with dwang (31), dwang (31) are rotated and are inserted and establish in a plurality of barrels (12).
7. The membrane body hoisting device without damaging the membrane unit according to claim 6, wherein: the transmission mechanism (4) comprises a transmission rod (41), a first bevel gear (42) and a second bevel gear (43); a transmission cavity (13) is formed in the wall, close to the rotating rod (31), of the box body (1), the transmission rod (41) is rotatably arranged in the transmission cavity (13), the transmission cavity (13) extends out of two ends of the transmission rod (41), the first bevel gear (42) is coaxially arranged at one end of the transmission rod (41), the rotating rod (31) is coaxially provided with a third bevel gear (311), and the first bevel gear (42) is meshed with the third bevel gear (311); the second bevel gear (43) is coaxially arranged at the other end of the transmission rod (41), one end of the bidirectional screw rod (211) extends to the outer side of the driving cover (7), and a fourth bevel gear (2111) meshed with the second bevel gear (43) is coaxially arranged at one end of the bidirectional screw rod (211) positioned on the outer side of the driving cover (7); when the cover plate (3) covers the side opening of the box body (1), the rubber layers (2221) on the two extrusion plates (222) are tightly attached.
8. The membrane body hoisting device without damaging the membrane unit according to claim 1, wherein: the closure member is including setting up magnet strip (8) in box (1) side opening both sides, the position that corresponds magnet strip (8) on cover plate (3) is provided with iron plate (9), cover plate (3) cover box (1) side opening back, magnet strip (8) and iron plate (9) laminate mutually.
9. The membrane body hoisting device without damaging the membrane unit according to claim 1, wherein: the opening and closing mechanism (6) comprises an air cylinder (61) and a sliding sleeve (62); cylinder (61) set up on the lateral wall of box (1) and the vertical downwardly extending of piston rod of cylinder (61), the articulated piston rod end portion that sets up at cylinder (61) of sliding sleeve (62), the curb plate edge of open-close plate (5) is provided with slide bar (51), the length direction of slide bar (51) is unanimous with the length direction of the curb plate edge of open-close plate (5), sliding sleeve (62) slip cap is established on slide bar (51).
10. A membrane body hoisting method without damaging a membrane unit is realized based on the membrane body hoisting device without damaging the membrane unit according to any one of claims 1 to 9, and is characterized in that: the method comprises the following steps:
packaging and coiling: the ETFE membrane is wound up, then the cover plate (3) is opened and put into the box body (1), and one side membrane edge of the ETFE membrane is put into the clamping mechanism (2);
an upper hoisting step: closing the cover plate (3), allowing the clamping mechanism (2) to automatically clamp the ETFE membrane under the action of the transmission mechanism (4), then connecting the box body (1) with a lifting rope of a crane, and starting the crane to pull up the box body (1);
a membrane body unfolding step: after the box body (1) is lifted to the position above the large-span arc-shaped steel-wood truss, the length direction of the box body (1) is kept consistent with the arrangement direction of the large-span arc-shaped steel-wood truss, then the opening and closing plate (5) is opened through the opening and closing mechanism (6), the wound part of the ETFE film is enabled to slide out from the lower end opening of the box body (1), and the ETFE film is enabled to be automatically unfolded on the large-span arc-shaped steel-wood truss;
clamping the film edge and taking down: and (3) opening the covering plate by a worker, automatically loosening the membrane edge on one side of the ETFE membrane by the clamping mechanism (2), taking out the membrane edge on one side of the ETFE membrane from the box body (1) by the worker, and paving the membrane edge on the surface of the large-span arc-shaped steel-wood truss.
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| CN202111236734.6A CN114084788B (en) | 2021-10-23 | 2021-10-23 | Membrane body hoisting device and hoisting method without damaging membrane unit |
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| CN114084788B (en) | 2023-06-23 |
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