CN114293469A - Film covering method for road construction - Google Patents
Film covering method for road construction Download PDFInfo
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- CN114293469A CN114293469A CN202111515966.5A CN202111515966A CN114293469A CN 114293469 A CN114293469 A CN 114293469A CN 202111515966 A CN202111515966 A CN 202111515966A CN 114293469 A CN114293469 A CN 114293469A
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- film
- cylinder
- operating personnel
- column body
- road construction
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 239000002985 plastic film Substances 0.000 claims abstract description 21
- 229920006255 plastic film Polymers 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 45
- 238000004804 winding Methods 0.000 claims description 23
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
The invention relates to a film covering method for road construction, which comprises the following operations: a operating personnel is located the top of cylinder, B operating personnel is located the bottom of cylinder, will put the membrane device and stand the form and lean on arranging on the lateral wall of cylinder, put the membrane device on, the lower extreme sets up the A, B stay cords respectively, the taut A stay cord of A operating personnel, the taut B stay cord of B operating personnel, the plastic film head portion that will put the membrane device and emit is fixed on the cylinder lateral wall, A, B operating personnel adjustment is put the membrane device and is sat the spiral line form on the cylinder and remove, and release banding plastic film when removing, thereby the realization is to the parcel of cylinder. According to the scheme provided by the invention, the plastic film can be conveniently and quickly wound and wrapped on the column body, and the construction safety is greatly improved.
Description
Technical Field
The invention relates to the field of road construction, in particular to a film laminating method for road construction.
Background
Need in the road construction process to the cement post winding parcel plastic film such as pier of pouring maintain, and there is the operation complicacy in traditional winding parcel operation, and whole process is consuming time longer, especially to the winding parcel operation more complicated more of some piers that highly are great, consequently is necessary to solve to this problem.
Disclosure of Invention
The object of the present invention is to provide a method for coating a road surface, which can be used to solve the above-mentioned problems.
The technical scheme adopted by the invention is as follows:
a film covering method for road construction is characterized by comprising the following operations: a operating personnel is located the top of cylinder, B operating personnel is located the bottom of cylinder, will put the membrane device and stand the form and lean on arranging on the lateral wall of cylinder, put the membrane device on, the lower extreme sets up the A, B stay cords respectively, the taut A stay cord of A operating personnel, the taut B stay cord of B operating personnel, the plastic film head portion that will put the membrane device and emit is fixed on the cylinder lateral wall, A, B operating personnel adjustment is put the membrane device and is sat the spiral line form on the cylinder and remove, and release banding plastic film when removing, thereby the realization is to the parcel of cylinder.
The specific operation is as follows: A. b, the operator adjusts the film placing device to make spiral linear motion from the upper end of the column body to the bottom.
The used film placing device comprises a film covering bracket, a plastic film is wound on a cylinder core into a coil shape, the cylinder core is detachably and rotatably arranged on the film covering bracket, and both ends of the film covering bracket are respectively provided with a A, B connecting buckle which is detachably connected and matched with an A, B pull rope.
Be provided with the supplementary A movable support of putting the membrane device and putting the membrane on the top of cylinder, A movable support is including the A vertical portion that the form was arranged and the horizontal A portion that the form was arranged, sets up on the A vertical portion to be used for carrying out the A1 gyro wheel of roll complex with the lateral wall of cylinder, sets up on the horizontal portion of A to carry out the A2 gyro wheel of roll complex with the top surface of cylinder, sets up respectively on A vertical portion and the horizontal portion of A to be used for realizing that the A stay cord carries out the knot that leads.
The transverse part A is set to be a telescopic structure with adjustable length, and the size of the transverse part A is adjusted according to the size of the column body for assembly.
The top end of the column body is further provided with a B movable support, the B movable support comprises a B vertical part and a B transverse part, the B vertical part is vertically arranged, the B transverse part is horizontally arranged, a B1 roller is arranged on the B vertical part, the B1 roller is matched with the side wall of the column body in a rolling mode, and when the plastic film is released, the A, B vertical parts are oppositely arranged on the side walls of the two sides of the column body.
The B transverse part is set to be a telescopic structure with adjustable length, and the size of the B transverse part is adjusted according to the size of the column body for assembly.
The top of the column body is also provided with a rack which is arranged into an upper rack body part and a lower rack body part, the upper rack body part is rotatably installed on the lower rack body part, the A, B movable support is connected with the upper rack body part, the upper rack body part is provided with a winding drum which is rotatably installed, and the winding drum is rotated to realize the rope unwinding and rope winding of the A stay rope.
An adjusting mechanism is arranged on the upper frame part and adjusts the winding drum to take up and pay off the rope A and/or adjust A, B the stretching state of the transverse part.
A, B adjusting shafts are arranged on the upper frame body part, an A transmission unit is arranged between the A adjusting shaft and the A, B transverse part, a B transmission unit is arranged between the B adjusting shaft and the winding drum, the A, B adjusting shafts are vertically arranged, and the adjustment of retracting the A pull rope and/or adjusting the telescopic state of the A, B transverse part is realized by rotating the A, B adjusting shaft.
According to the scheme provided by the invention, the plastic film can be conveniently and quickly wound and wrapped on the column body, and the construction safety is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of A, B showing the transverse portion in an intermediate stretched state;
FIG. 3 is a schematic view of A, B showing the transverse portion in an extended state;
FIG. 4 is a schematic top view of the A transmission unit;
FIG. 5 is a side view of the B gear unit;
FIG. 6 is a schematic view of the present invention in use;
11-upper frame part, 12-lower frame part, 13-A operating handle, 14-B operating handle, 15-winding drum, 16-A pulling rope, 17-B pulling rope, 21-A vertical part, 22-B vertical part, 23-A2 roller frame, 24-rope buckle, 31-A1 driving piece, 32-A2 driving piece, 33-A3 driving piece, 34-A1 bevel gear, 35-A1 mounting seat, 36-A2 mounting seat, 37-A3 mounting seat, 38-A2 bevel gear, 39-A1 driving piece, 41-A1 groove type piece, 42-A2 groove type piece, 43-A3 groove type piece, 51-column, 52-film releasing device, 61-B1 driving piece, 62-B2 driving piece, 63-B1 bevel gear, 64-B2 bevel gear, 71-A regulating shaft and 72-B regulating shaft.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention will now be described in detail with reference to the following examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed. As used herein, the terms "parallel" and "perpendicular" are not limited to their strict geometric definitions, but include tolerances for machining or human error, reasonable and inconsistent.
As shown in fig. 1 to 6, the technical scheme adopted by the invention is as follows: a film covering method for road construction comprises the following operations: an operator A is positioned at the top of the column body 51, an operator B is positioned at the bottom of the column body 51, the film placing device 52 is arranged on the side wall of the column body 51 in a vertical abutting mode, A, B pull ropes are respectively arranged at the upper end and the lower end of the film placing device 52, the operator A pulls the pull rope A16, the operator B pulls the pull rope B17, the head end portion of the plastic film discharged by the film placing device 52 is fixed on the side wall of the column body 51, and the operator A, B adjusts the film placing device 52 to move on the column body 51 in a spiral line mode and release the strip-shaped plastic film while moving, so that the column body 51 is wrapped.
The specific operation is as follows: A. the operator B adjusts the film placing device 52 to make spiral motion from the upper end of the column body 51 to the bottom. The used film placing device 52 comprises a film covering bracket, a plastic film is wound on a cylinder core into a coil shape, the cylinder core is detachably and rotatably arranged on the film covering bracket, and both ends of the film covering bracket are respectively provided with A, B connecting buckles which are detachably connected and matched with A, B pull ropes. The top end of the column body 51 is provided with an A movable support for assisting the film placing device 52 to place the film, the A movable support comprises an A vertical part 21 and an A horizontal part, the A vertical part 21 and the A horizontal part are vertically arranged, an A1 roller matched with the side wall of the column body 51 in a rolling mode is arranged on the A vertical part 21, an A2 roller matched with the top surface of the column body 51 in a rolling mode is arranged on the A horizontal part, and the A vertical part 21 and the A horizontal part are respectively provided with a rope buckle 24 used for guiding an A rope 16. The transverse part A is set to be a telescopic structure with adjustable length, and the size of the transverse part A is adjusted according to the size of the column body 51 for assembly. A B movable support is further arranged at the top end of the column body 51 and comprises a B vertical part 22 and a B transverse part, the B vertical part 22 and the B transverse part are arranged in a vertical mode, a B1 roller is arranged on the B vertical part 22, the B1 roller is in rolling fit with the side wall of the column body 51, and when the plastic film is released, the A, B vertical parts 22 are arranged on the two side walls of the column body 51 oppositely. The B transverse part is set to be a telescopic structure with adjustable length, and the size of the B transverse part is adjusted according to the size of the column body 51 for assembly. The top of the column 51 is further provided with a frame, the frame is provided with an upper frame part 11 and a lower frame part 12, the upper frame part 11 is rotatably installed on the lower frame part 12, the A, B movable support is connected with the upper frame part 11, the upper frame part 11 is provided with a rotatably installed winding drum 15, and the rotatable winding drum 15 is used for realizing rope unwinding and rope winding of the A stay rope 16.
An adjusting mechanism is provided in the upper frame part 11, and adjusts the winding drum 15 to take up and take down the A cord 16 and/or adjust A, B the extending and contracting state of the horizontal part. A, B adjusting shafts 72 are arranged on the upper frame body part 11, an A transmission unit is arranged between the A adjusting shafts 71 and the A, B horizontal part, a B transmission unit is arranged between the B adjusting shafts 72 and the winding drum 15, A, B adjusting shafts 72 are vertically arranged, and the adjustment of retracting the A pull ropes 16 and/or adjusting the telescopic state of the A, B horizontal part is realized by rotating A, B adjusting shafts 72.
Specifically, as shown in fig. 1, 2, 3 and 4, the structure of the A, B transverse part is the same, the a transverse part comprises a1 trough-shaped part 41, a2 trough-shaped part 42 and A3 trough-shaped part 43, the a1 trough-shaped part 41 is fixedly mounted on the upper frame part 11, the a2 trough-shaped part 42 is slidably mounted in the a1 trough-shaped part 41, the A3 trough-shaped part 43 is slidably mounted in the a2, a locker is arranged between the a1 and the a2 trough-shaped part 42 and used for locking the state after the a1 and a2 trough-shaped parts 42 are slidably adjusted to the length (the locker can be formed by locking pins, locking holes are formed in the groove walls of the a1 and a2 trough-shaped parts, the states of the a1 and a2 slots are locked by inserting the locking pins into the locking holes), the external side end of the a1 trough-shaped part 41 is provided with a1 mounting seats 35, the a2 trough-shaped part 42 is provided with a 6342 mounting seats 36, the a 68628 A3, A. the B vertical parts are slidably mounted in the vertical direction on the outer ends of the A3 channel-shaped members 43 constituting the A, B horizontal parts, respectively. The A1, A2 and A3 groove type pieces are horizontally arranged. The A transmission unit comprises A transmission parts respectively arranged on A, B transverse parts, the A transmission parts comprise A1, A2 and A3 transmission pieces, the A1 transmission piece 31 is arranged corresponding to an A1 groove-shaped piece 41, the inner side end part of the A1 transmission piece 31 is rotatably arranged on the upper frame body part 11, the outer side end part of the A1 transmission piece 31 is rotatably arranged on an A1 mounting seat 35, the outer side body part of the A1 transmission piece 31 is formed by a pipe fitting, the inner side body part of the A2 transmission piece 32 is inserted in the A1 transmission piece 31, the outer side end part of the A2 transmission piece 32 is rotatably arranged on an A2 mounting seat 36, the A1 and the A2 transmission pieces are in sliding fit along the body length direction of the A1 and are synchronously rotatably assembled with the A6332 (the A1 and the A2 can be synchronously rotatably assembled by a key groove and a convex key), the A2 transmission piece 32 is provided with a threaded assembly hole, the A3 transmission piece 33 is formed by a threaded rod, the inner side section of the A3 transmission piece 33 is assembled in the threaded rod assembly hole, the outer end of the A3 driver 33 is fixedly mounted on the A3 mounting seat 37, and the inner end of the A1 driver 31 is also provided with an A1 bevel gear 34. The A transmission unit also comprises an A2 bevel gear 38, the central line of the A2 bevel gear 38 is arranged horizontally and vertically to the A1 transmission piece 31, two A transmission parts are arranged at the two outer sides of the A2 bevel gear 38, and the A2 bevel gear 38 is in meshed transmission connection with the A1 bevel gear which forms the two A transmission parts. In operation, the a2 bevel gear 38 may be mounted directly on the a adjustment shaft 71. For convenience of operation, however, it is preferable to mount the a2 bevel gear 38 on the a1 shaft, the a1 shaft is rotatably mounted on the upper frame body 11, and the a adjustment shaft 71 is located above the a1 shaft and is drivingly connected between the two by the a1 transmission assembly 39. The A1 driving component 39 can be an A driving wheel arranged on the A adjusting shaft 71 and the A1 shaft respectively and an A driving belt arranged between the two A driving wheels. Or an A gear arranged on the A adjusting shaft 71 and the A1 respectively and an A transmission chain arranged between the two A gears. The A operation handle is detachably fitted to one end of the A adjustment shaft 71. The inner part, the outer part, the inner part and the outer part are all based on the center line of the frame as a reference point, one side close to the center line is the inner part or the inner part, and one side far away from the center line is the outer part. An a2 roller carrier 23 for mounting an a2 roller is provided on the particular a1 channel 41. A. The B vertical part can be formed by mounting brackets arranged vertically, the inner side wall of the A, B vertical part is respectively provided with an A1 roller and a B1 roller, the bottom of the A, B vertical part is also respectively provided with an A3 roller and a B3 roller, and the A3 roller and the B3 roller are used for being matched with the upper end face of the column body 51 in a rolling way. A. A, B locking pieces can be respectively arranged between the B vertical part and the two A3 groove-shaped pieces 43, the A, B locking pieces can lock the A, B vertical part which is lowered to a low position, and the A, B locking pieces can be formed by latch pieces which are arranged along the length direction of the A1 transmission piece 31.
As shown in FIG. 5, the B transmission unit comprises a B1 transmission piece 61 arranged on the trunnion of one side of the B winding drum 15, a B2 transmission piece 62 arranged on the lower side of the B1 transmission piece 61, the B1 and the B2 transmission pieces can be B1 and B2 transmission wheels, and the B1 and the B2 transmission wheels are in transmission connection through a B transmission belt. Or the transmission pieces B1 and B2 can be gears B1 and B2, and the gears B1 and B2 are in chain transmission connection through a B transmission chain. The B transmission piece is in transmission connection with the B1 bevel gear 63 through a B shaft body, the B shaft body is positioned at the lower side of the B winding drum 15, and the B shaft body and the B winding drum are arranged in parallel. The B adjusting shaft 72 is provided with a B2 bevel gear 64, the B1 bevel gear is in meshed transmission connection with the B2 bevel gear, the B adjusting shaft 72 is perpendicular to the B shaft body, the two ends of the B adjusting shaft 72 are respectively provided with a B operating handle 14, and the B adjusting shaft 72 is rotated to release or take up the A pull rope 16 from the B winding drum 15. The operation of the two B operation handles 14 rotates the upper frame part 11 around the center line thereof, thereby rotating the film laying device 52 around the column 51.
The invention is particularly suitable for film coating operation when the cylinder is a circular cylinder. Lower part
During specific adjustment, the frame is first placed at the center of the top end of the column 51, so that the lower frame part, the roller a2, meets the upper top surface of the column. The A2 groove type piece 42 is drawn out, so that the A1 and the A2 groove type pieces slide relatively, the rack is adjusted to the state shown in figure 2 from the state shown in figure 1, the locking piece between the A1 and the A2 groove type pieces is adjusted to lock the relative sliding of the A1 and the A2 groove type pieces, then the A operation handle 13 is rotated, so that the A3 groove type piece 43 moves outwards, the rack is adjusted to the state shown in figure 3 from the state shown in figure 2, and therefore the corresponding relation between the rack and the column body 51 is adjusted to the state shown in figure 6. At this time, A, B pulling ropes and the film releasing device 52 are connected, the head end of the released plastic film of the film releasing device 52 is fixed at the upper end of the column body 51, and part of the film releasing device 52 is higher than the upper end face of the column body 51, then an operator A rotates the upper frame body part 11, simultaneously the operator B rotates the operating handle 14 to release the pulling ropes A16, the operator B at the lower part of the column body 51 tensions the pulling ropes B17 and takes up the ropes, and synchronously rotates around the column body 51 along with the rotation of the upper frame body part 11, so that the film releasing device 52 performs spiral linear movement from top to bottom and releases the plastic film to wrap the column body 51. For some places with local bulges or depressions, the operation handle A can be rotated to carry out adaptive adjustment, and reliable wrapping of the plastic film is realized. The upper frame portion 11 may comprise a turntable mounted on the lower frame portion, a mounting bracket and an outer box panel which encloses A, B mounted on the mounting bracket and exposes the A, B operating handle. In addition, the lower frame body part can be arranged into A, B lower frame body parts which are arranged up and down, the A lower frame body part is fixedly connected with the upper frame body part, the B lower frame body part is assembled on the A lower frame body part in a lifting mode, and a lifting locking assembly is arranged between the A, B lower frame body parts to adapt to the use requirements of more working conditions.
According to the scheme provided by the invention, the plastic film can be conveniently and quickly wound and wrapped on the column body 51, an operator A does not need to stand on the upper end edge part of the column body 51A to operate and lay the film, and the construction safety is greatly improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
1. A film covering method for road construction is characterized by comprising the following operations: a operating personnel is located the top of cylinder, B operating personnel is located the bottom of cylinder, will put the membrane device and stand the form and lean on arranging on the lateral wall of cylinder, put the membrane device on, the lower extreme sets up the A, B stay cords respectively, the taut A stay cord of A operating personnel, the taut B stay cord of B operating personnel, the plastic film head portion that will put the membrane device and emit is fixed on the cylinder lateral wall, A, B operating personnel adjustment is put the membrane device and is sat the spiral line form on the cylinder and remove, and release banding plastic film when removing, thereby the realization is to the parcel of cylinder.
2. The method of claim 1, wherein A, B the film laying device is adjusted by an operator to move spirally from top to bottom of the upper end of the column.
3. The method for covering a film on a road as claimed in claim 2, wherein the film releasing device comprises a film covering bracket, the plastic film is wound on a drum core, the drum core is detachably and rotatably mounted on the film covering bracket, and both ends of the film covering bracket are respectively provided with A, B connecting buckles for detachably connecting and matching with A, B pull ropes.
4. The method for coating film on road construction according to claim 3, wherein an A movable support for assisting the film laying device to lay film is arranged at the top end of the column body, the A movable support comprises an A vertical part and an A horizontal part, the A vertical part is vertically arranged, the A horizontal part is horizontally arranged, an A1 roller for rolling fit with the side wall of the column body is arranged on the A vertical part, an A2 roller for rolling fit with the top surface of the column body is arranged on the A horizontal part, and rope buckles for guiding an A pull rope are respectively arranged on the A vertical part and the A horizontal part.
5. The method of applying a coating film for road construction according to claim 4, wherein the A horizontal portion is provided in a telescopic structure with an adjustable length, and the assembly is performed by adjusting the size of the A horizontal portion in accordance with the size of the column.
6. A film covering method for road construction according to claim 3, 4 or 5, wherein a B movable support is further arranged at the top end of the column body, the B movable support comprises a B vertical part and a B transverse part, the B vertical part is provided with a B1 roller, the B1 roller is in rolling fit with the side wall of the column body, and when the plastic film is released, the A, B vertical parts are oppositely arranged on the two side walls of the column body.
7. The method of applying a coating film for road construction according to claim 6, wherein the B horizontal portion is provided in a telescopic structure with an adjustable length, and the assembly is performed by adjusting the size of the B horizontal portion in accordance with the size of the column.
8. The film covering method for road construction according to claim 7, wherein a frame is further arranged on the top of the column body, the frame is arranged into an upper frame body part and a lower frame body part, the upper frame body part is rotatably arranged on the lower frame body part, the A, B movable support is connected with the upper frame body part, a rotatably arranged winding drum is arranged on the upper frame body part, and the rotating winding drum is used for realizing the rope unwinding and the rope winding of the A pull rope.
9. The method of laminating a film for road construction according to claim 8, wherein an adjusting mechanism is provided in the upper frame portion, and the adjusting mechanism adjusts the winding drum to take in and take out the rope a and/or adjusts A, B the state of expansion and contraction of the lateral portion.
10. The method of claim 8, wherein A, B adjustment shafts are provided on the upper frame, an A transmission unit is provided between the A adjustment shaft and the A, B horizontal portion, a B transmission unit is provided between the B adjustment shaft and the winding drum, the A, B adjustment shaft is vertically arranged, and the rotation of the A, B adjustment shaft realizes the adjustment of the retraction state of the A rope and/or the adjustment of the A, B horizontal portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515966.5A CN114293469A (en) | 2021-12-13 | 2021-12-13 | Film covering method for road construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515966.5A CN114293469A (en) | 2021-12-13 | 2021-12-13 | Film covering method for road construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114293469A true CN114293469A (en) | 2022-04-08 |
Family
ID=80968163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111515966.5A Pending CN114293469A (en) | 2021-12-13 | 2021-12-13 | Film covering method for road construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114293469A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000297527A (en) * | 1999-04-14 | 2000-10-24 | Toa Oil Co Ltd | Gondola device for cleaning and maintaining work in inner part of towering structure |
| CN206034277U (en) * | 2016-08-29 | 2017-03-22 | 中国水利水电第五工程局有限公司 | Bridge pier column maintenance plastic film wraps up construction equipment |
| CN109577174A (en) * | 2019-01-17 | 2019-04-05 | 中交四公局第十工程有限公司 | Attemperator and its application method after a kind of pier stud concrete demoulding |
| CN110042764A (en) * | 2019-05-09 | 2019-07-23 | 安徽省路港工程有限责任公司 | A kind of device and its construction method convenient for pier stud film covering curing |
| CN210975558U (en) * | 2019-08-20 | 2020-07-10 | 中铁十七局集团建筑工程有限公司 | Rotatable film health preserving device of high pier stud mound top of bridge |
-
2021
- 2021-12-13 CN CN202111515966.5A patent/CN114293469A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000297527A (en) * | 1999-04-14 | 2000-10-24 | Toa Oil Co Ltd | Gondola device for cleaning and maintaining work in inner part of towering structure |
| CN206034277U (en) * | 2016-08-29 | 2017-03-22 | 中国水利水电第五工程局有限公司 | Bridge pier column maintenance plastic film wraps up construction equipment |
| CN109577174A (en) * | 2019-01-17 | 2019-04-05 | 中交四公局第十工程有限公司 | Attemperator and its application method after a kind of pier stud concrete demoulding |
| CN110042764A (en) * | 2019-05-09 | 2019-07-23 | 安徽省路港工程有限责任公司 | A kind of device and its construction method convenient for pier stud film covering curing |
| CN210975558U (en) * | 2019-08-20 | 2020-07-10 | 中铁十七局集团建筑工程有限公司 | Rotatable film health preserving device of high pier stud mound top of bridge |
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Application publication date: 20220408 |