CN110159320B - Waterproof board, geotextile spreading device and construction method of geotextile spreading device - Google Patents
Waterproof board, geotextile spreading device and construction method of geotextile spreading device Download PDFInfo
- Publication number
- CN110159320B CN110159320B CN201910578389.0A CN201910578389A CN110159320B CN 110159320 B CN110159320 B CN 110159320B CN 201910578389 A CN201910578389 A CN 201910578389A CN 110159320 B CN110159320 B CN 110159320B
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- waterproof board
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- driving
- driving wheel
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- 230000007480 spreading Effects 0.000 title claims abstract description 39
- 239000004746 geotextile Substances 0.000 title claims description 40
- 238000010276 construction Methods 0.000 title claims description 28
- 239000004744 fabric Substances 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000005056 compaction Methods 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 29
- 238000007906 compression Methods 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/381—Setting apparatus or devices
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Special Wing (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a waterproof board and geotechnical cloth spreading device, which comprises a device body, a supporting component arranged on the device body, a spreading structure arranged on the supporting component and a guide cylinder arranged in the device body; the support assembly comprises a support frame through shaft arranged on the device body and a plurality of support frames uniformly distributed on the support frame through shaft, the spreading structure comprises a transmission shaft, a driving wheel, a driven wheel frame, a driven wheel through shaft and a driven wheel assembly arranged at one end of the driven wheel frame, the driven wheel assembly is used for adjusting the compaction degree between the driven wheel assembly and the driving wheel so as to compact a waterproof board roll or geotechnical cloth roll arranged on the guide cylinder, and the waterproof board or geotechnical cloth is outwards spread under the driving of the driving wheel. The servo motor of the external driving mechanism drives the driving wheel to rotate so as to drive the driven wheel to rotate, so that geotechnical cloth or waterproof boards compressed between the driving wheel and the driven wheel are spread outwards, the degree of mechanization is high, and the labor intensity of workers is effectively reduced.
Description
Technical Field
The invention belongs to the technical field of tunnel construction and underground engineering construction, and particularly relates to a waterproof board, a geotextile spreading device and a construction method thereof.
Background
In engineering construction, waterproof plates and geotextiles are commonly used. The waterproof board and geotextile are an impermeable material prepared from high molecular polymers as basic raw materials, can prevent liquid leakage and gas volatilization, and are widely applied to buildings, traffic, subways, tunnels and engineering construction.
In the tunnel and underground construction process, whether the construction quality reaches the standard or not is greatly influenced by the leakage of the underground water, so that the construction of the waterproof plates and geotechnical cloth needs to be strictly controlled, and at present, the paving method of the waterproof plates and geotechnical cloth construction industry in each domestic underground engineering construction project is artificial paving. When laying manually, firstly cutting waterproof coiled materials; marking a longitudinal center line at the arch top of the tunnel, and enabling the center line of the coiled material to coincide with the center line of the arch top during laying; and finally, paving the arch crown to two sides, and performing hot-melt welding of the paving edges by using a plastic round gasket. Because of construction needs, limit factors such as high weight, large length and the like exist in geotextile and waterproof board rolls, and the geotextile laying design requirements often adopt the not-allowed folds, so that the labor intensity for carrying and spreading the geotextile and the waterproof board is high, the operation is difficult, the degree of mechanization is low, and extra cost such as manpower, machinery and the like is increased.
Disclosure of Invention
The invention aims to provide the waterproof board and geotextile spreading device which is simple in structure, easy to operate, high in construction efficiency and low in spreading labor intensity.
The technical scheme of the invention is as follows:
a waterproof board and geotextile spreading device comprises a device body, a supporting component arranged on the device body, a spreading structure arranged on the supporting component and a guide cylinder arranged in the device body;
The support assembly comprises a support frame through shaft arranged on the device body and a plurality of support frames uniformly distributed on the support frame through shaft, and each support frame is correspondingly provided with one spreading structure;
The spreading structure comprises a transmission shaft positioned at the end of the support frame, a driving wheel arranged on the transmission shaft, a driven wheel frame connected with the other end of the support frame, a driven wheel through shaft used for fixing the driven wheel frame and a driven wheel assembly arranged at one end of the driven wheel frame, wherein the transmission shaft is connected with an external driving mechanism so as to enable the driving wheel to rotate, the driven wheel assembly is arranged opposite to the driving wheel, and the driven wheel assembly is used for adjusting the compaction degree between the driven wheel assembly and the driving wheel so as to enable a waterproof board roll or geotechnical cloth roll arranged on the guide cylinder to be compacted and outwards spread under the driving of the driving wheel;
The guide cylinder is arranged in a circular space formed between the support frame and the driven wheel frame.
In the technical scheme, one end, close to the driven wheel assembly, of the driven wheel frame is provided with a baffle plate for being connected with the driven wheel assembly, and the other end of the driven wheel frame is hinged with the supporting frame.
In the technical scheme, the driven wheel frame is provided with the transverse shaft, one end of the opening spring is connected to the transverse shaft, and the other end of the opening spring is connected with the supporting frame so as to be used for opening the driven wheel frame under the action of the tensile force of the spring when the driven wheel frame is used.
In the technical scheme, the driven wheel assembly comprises a compressing assembly and a driven wheel which is arranged on the compressing assembly and is close to the driving wheel, the compressing assembly is arranged at one end of the driven wheel frame, which faces the driving wheel, and the compressing assembly comprises 2 triangular compressing plates which are oppositely arranged, rib plates which are arranged between the 2 compressing plates, and compressing bolts which penetrate through the rib plates and are in contact with the driven wheel, and is used for adjusting the distance between the driven wheel and the driving wheel.
In the technical scheme, the compression bolt is sleeved with the spring, one end of the spring is connected with the tail of the compression bolt, and the other end of the spring is connected with the baffle on the driven wheel frame.
In the above technical scheme, the support frame includes 2 arc backup pads that set up relatively, 2 evenly distributed has multiunit drag reduction bearing between the arc backup pad for reduce the frictional force that produces when expansion waterproof board or geotechnique's cloth.
In the above technical scheme, the guide cylinder is a circular cylinder, and forms an opening along the axial direction on this guide cylinder for from opening tensile waterproof board or geotechnique cloth to follow between driving wheel and the action wheel, be equipped with a buckle on the guide cylinder, the buckle passes through the connecting piece and is connected with the support frame to be used for opening the buckle and open driven wheel carrier under the pulling force effect of opening the spring.
In the above technical scheme, the outside of device body is equipped with the protective housing, the protective housing is the U type shell, the both ends of protective housing are equipped with the marginal board, be equipped with the otic placode in the middle of the outside bottom of protective housing for external mechanism connects.
In the above technical scheme, one end of the device body is provided with the movable end cover, the other end is provided with the fixed end cover, and the buckle on the guide cylinder is connected with the movable end cover.
In the technical scheme, the centers of the movable end cover and the fixed end cover are provided with the detachable rotary thimble for tightly pushing the waterproof board roll or the geotechnical cloth roll arranged on the guide cylinder.
Another object of the present invention is to provide a construction method based on a waterproof board, geotextile spreading device, comprising the steps of:
(1) Before construction, opening a movable end cover on the device body, completely putting geotextile or waterproof board rolls into a guide cylinder, and closing the movable end cover and locking after the waterproof board rolls or geotextile and the fixed end cover are in close contact;
(2) Opening a buckle on the driven wheel frame, and under the action of an opening spring, rotating the driven wheel frame hinged with the support frame to open, wherein the driving wheel is separated from contact with the driven wheel, manually stretching the waterproof board or geotextile from the longitudinal opening of the guide cylinder, and enabling the waterproof board or geotextile to extend 15-20cm out of the wheel surface of the driving wheel;
(3) Closing the buckle to lock the driven wheel frame, and adjusting the tightness degree of a compression bolt of the compression assembly, thereby adjusting the distance between the driven wheel and the wheel surface of the driving wheel, and adjusting the compression degree and the friction force among the driven wheel, the driving wheel and the geotechnical cloth or the waterproof board;
(4) And starting an external driving mechanism, wherein an output shaft of the driving mechanism is connected with a transmission shaft, and driving the driving wheel to rotate so as to drive the driven wheel and the drag reduction bearing to rotate, thereby completing the spreading construction of the waterproof board or geotechnical cloth.
The invention has the advantages and positive effects that:
1. The servo motor of the external driving mechanism drives the driving wheel to rotate so as to drive the driven wheel to rotate, so that geotechnical cloth or waterproof boards compressed between the driving wheel and the driven wheel are spread outwards, the degree of mechanization is high, and the labor intensity of workers is effectively reduced.
2. According to construction needs, the spreading device is used for moving geotextile or waterproof board rolls along the circumferential direction of the tunnel wall, so that the tunnel spreading operability is high, and the spreading operability is high.
Drawings
Fig. 1 is a schematic perspective view of a waterproof board and geotextile spreading device according to the present invention;
fig. 2 is a schematic perspective view of a waterproof board and geotextile spreading device according to the present invention;
FIG. 3 is a front view of the flashing and geotextile spreading device of the present invention;
FIG. 4 is a top view of the flashing and geotextile spreading device of the present invention;
FIG. 5 is a left side view of the flashing and geotextile spreading device of the present invention;
FIG. 6 is a schematic diagram of the drag reducing bearing of the present invention.
In the figure:
1. device body 2, driven wheel carrier 3 and driven wheel assembly
4. Fixed end cover 5, support frame through shaft 6 and movable end cover
7. Guide cylinder 8, opening spring 9 and rotary thimble
10. Drag reduction bearing 11, compression assembly 12 and support frame
13. Drive shaft 14, driven wheel 15, and driving wheel
16. Drive mechanism 17, protective housing 18, spreading structure
19. Edge plate 20, driven wheel through shaft 21 and compression plate
22. Rib plate 23, compression bolt 24 and baffle plate
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1 to 6, the waterproof board and geotextile spreading device of the present invention comprises a device body 1, a support assembly mounted on the device body 1, a spreading structure 18 mounted on the support assembly, and a guide cylinder 7 provided in the device body 1.
The support assembly comprises a support frame 12 through shaft 5 arranged on the device body 1 and 4 support frames 12 uniformly distributed on the support frame 12 through shaft 5, wherein each support frame 12 is correspondingly provided with a spreading structure 18.
The spreading structure 18 comprises a transmission shaft 13 positioned at the end of the support frame 12, a driving wheel 15 arranged on the transmission shaft 13, a driven wheel frame 2 connected with the other end of the support frame 12, a driven wheel through shaft 20 used for fixing the driven wheel frame 2 and a driven wheel assembly 3 arranged at one end of the driven wheel frame 2; the transmission shaft 13 is connected with an external driving mechanism 16 to rotate the driving wheel 15; one end of the driven wheel frame 2, which is close to the driven wheel assembly 3, is provided with a square baffle 24 for being connected with the driven wheel assembly 3, the other end of the driven wheel frame 2 is hinged with the support frame 12, a transverse shaft is arranged on the driven wheel frame 2, one end of the opening spring 8 is connected on the transverse shaft, and the other end of the opening spring 8 is connected with the support frame 12 for opening the driven wheel frame 2 under the action of the pulling force of the spring in use; the driven wheel assembly 3 is arranged opposite to the driving wheel 15, and the driven wheel assembly 3 is used for adjusting the compression degree between the driven wheel assembly 3 and the driving wheel 15 so as to compress the waterproof board roll or the geotextile roll arranged on the guide cylinder 7 and outwards expand the waterproof board or the geotextile under the drive of the driving wheel 15.
The guide cylinder 7 is arranged in a circular space formed between the support frame 12 and the driven wheel frame 2; the guiding cylinder 7 is a circular cylinder, and an opening is formed on the guiding cylinder 7 along the axial direction for stretching the waterproof board or geotechnical cloth from the opening to the position between the driven wheel 14 and the driving wheel 15, a buckle is arranged on the guiding cylinder 7, and the buckle is connected with the supporting frame 12 through a connecting piece for opening the buckle to open the driven wheel frame 2 under the tensile force of the opening spring 8.
Further, the driven wheel assembly 3 comprises a compressing component 11 and a driven wheel 14 which is arranged on the compressing component 11 and is close to the driving wheel 15, the driven wheel 14 is tangent to the wheel surface of the driving wheel 15 in a use state, the compressing component 11 is arranged on one end of the driven wheel frame 2 facing the driving wheel 15, the compressing component 11 comprises 2 triangular compressing plates 21 which are oppositely arranged, rib plates 22 which are arranged between the 2 compressing plates 21 and compressing bolts 23 which penetrate through the rib plates 22 and are in contact with the driven wheel 14, springs are sleeved on the compressing bolts 23, one ends of the springs are connected with the tail parts of the compressing bolts 23, the other ends of the springs are connected with baffle plates 24 on the driven wheel frame 2, and the compressing bolts 23 adjust the distance between the driven wheel 14 and the driving wheel 15 through the springs and the compressing plates 21 so as to compress waterproof plates or geotextiles between the driven wheel 14 and the driving wheel 15; wherein the size of the rib plate 22 is smaller than the size of the baffle 24, and the position of the rib plate 22 is arranged above the rib plate 22.
Further, the support frame 12 includes 2 arc-shaped support plates disposed opposite to each other, and 8 sets of drag reduction bearings 10 are uniformly distributed between the 2 arc-shaped support plates for reducing friction generated when the waterproof plate or geotextile is unfolded.
Further, one end of the device body 1 is provided with a movable end cover 6, the other end is provided with a fixed end cover 4, and a buckle on the guide cylinder 7 is connected with the movable end cover 6.
Further, the driving wheel 15 employs a rubber wheel for increasing friction with the waterproof board or geotextile.
The driven wheel frame 2 is provided with a driven wheel assembly 3 which can open the driven wheel frame 2 when in use through a buckle and an opening spring 8; the compression assembly 11 arranged on the driven wheel assembly 3 can adjust the compression degree of the driven wheel 14 to the driving wheel 15 which is arranged opposite to the driven wheel 14, a spring is sleeved on the compression bolt 23 in the compression assembly 11, the compression bolt 23 passes through a round hole formed in the rib plate 22 and is in contact with the driven wheel 14, so that the distance between the driven wheel 14 and the driving wheel 15 is adjusted, the waterproof board or geotechnical cloth is compressed between the driven wheel 14 and the driving wheel 15, the driving wheel 15 is driven to drive the driven wheel 14 to rotate under the action of the transmission shaft 13, and the waterproof board or geotechnical cloth is better extended outwards under the action of the drag reduction bearing 10, so that the waterproof board or geotechnical cloth is conveniently spread.
Example 2
The concrete operation steps of the waterproof board and geotextile spreading device in construction are as follows:
(1) Before construction, opening the movable end cover 6 on the device body 1, completely putting geotextile or waterproof board rolls into the guide cylinder 7, and closing the movable end cover 6 and locking after the waterproof board rolls or geotextile are in close contact with the fixed end cover 4;
(2) Opening a buckle on the driven wheel frame 2, and under the action of an opening spring 8, rotating the driven wheel frame 2 hinged with the support frame 12 to open, wherein the driving wheel 15 is separated from contact with the driven wheel 14, manually stretching the waterproof board or geotextile from the longitudinal opening of the guide cylinder 7, and enabling the waterproof board or geotextile to extend out of the wheel surface 15cm of the driving wheel 15;
(3) Closing the buckle locking driven wheel frame 2, and adjusting the tightness degree of a compression bolt 23 of the compression assembly 11, thereby adjusting the distance between the driven wheel 14 and the wheel surface of the driving wheel 15, and adjusting the compression degree and the friction force among the driven wheel 14, the driving wheel 15 and the geotechnical cloth or waterproof board;
(4) An external driving mechanism 16 (servo motor) is started, an output shaft of the driving mechanism 16 is connected with the transmission shaft 13, and the driving wheel 15 is driven to rotate so as to drive the driven wheel 14 and the drag reduction bearing 10 to rotate, so that the spreading construction of the waterproof board or geotextile is completed.
Example 3
On the basis of embodiment 1, a protective shell 17 is arranged outside the device body 1, the protective shell 17 is a U-shaped shell, and the U-shaped shell is a shell with a semicircular section; the two ends of the protective shell 17 are provided with edge plates 19, and the middle of the outer bottom of the protective shell 17 is provided with an ear plate for external mechanism connection.
Further, the protective shell 17 is supported by a steel plate, and a reinforcing rib is arranged in the middle of the protective shell 17 to strengthen the protective shell 17.
Example 4
On the basis of embodiment 1, the centers of the movable end cover 6 and the fixed end cover 4 are provided with a detachable rotary thimble 9 for pushing up the waterproof board roll or geotextile roll mounted on the guide cylinder 7.
Further, the external driving mechanism 16 (servo motor) is provided with an encoder for calculating the laying length of the waterproof board or geotextile by recording the number of turns of the servo motor, thereby improving the construction precision and having high mechanization degree.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The foregoing has described exemplary embodiments of the invention, it being understood that any simple variations, modifications, or other equivalent arrangements which would not unduly obscure the invention may be made by those skilled in the art without departing from the spirit of the invention.
Claims (2)
1. A construction method based on waterproof board and geotechnical cloth spreading device is characterized in that: the waterproof board and geotechnical cloth spreading device comprises a device body, a supporting component arranged on the device body, a spreading structure arranged on the supporting component and a guide cylinder arranged in the device body;
The support assembly comprises a support frame through shaft arranged on the device body and a plurality of support frames uniformly distributed on the support frame through shaft, and each support frame is correspondingly provided with one spreading structure;
The spreading structure comprises a transmission shaft positioned at the end of the support frame, a driving wheel arranged on the transmission shaft, a driven wheel frame connected with the other end of the support frame, a driven wheel through shaft used for fixing the driven wheel frame and a driven wheel assembly arranged at one end of the driven wheel frame, wherein the transmission shaft is connected with an external driving mechanism so as to enable the driving wheel to rotate, the driven wheel assembly is arranged opposite to the driving wheel, and the driven wheel assembly is used for adjusting the compaction degree between the driven wheel assembly and the driving wheel so as to enable a waterproof board roll or geotechnical cloth roll arranged on the guide cylinder to be compacted and outwards spread under the driving of the driving wheel;
The guide cylinder is arranged in a circular space formed between the support frame and the driven wheel frame;
one end, close to the driven wheel assembly, of the driven wheel frame is provided with a baffle plate for being connected with the driven wheel assembly, and the other end of the driven wheel frame is hinged with the support frame;
the driven wheel frame is provided with a transverse shaft, one end of an opening spring is connected to the transverse shaft, and the other end of the opening spring is connected with the support frame and used for opening the driven wheel frame under the action of the tension of the spring when the driven wheel frame is used;
The driven wheel assembly comprises a compression assembly and a driven wheel which is arranged on the compression assembly and is close to the driving wheel, the compression assembly is arranged at one end of the driven wheel frame, which faces the driving wheel, and the compression assembly comprises 2 triangular compression plates which are oppositely arranged, a rib plate arranged between the 2 compression plates and a compression bolt which passes through the rib plate and is contacted with the driven wheel, and is used for adjusting the distance between the driven wheel and the driving wheel;
The compression bolt is sleeved with a spring, one end of the spring is connected with the tail of the compression bolt, and the other end of the spring is connected with a baffle plate on the driven wheel frame;
The support frame comprises 2 arc-shaped support plates which are oppositely arranged, and a plurality of groups of drag reduction bearings are uniformly distributed among the 2 arc-shaped support plates and used for reducing friction force generated when the waterproof plates or geotechnical cloth are unfolded;
the guide cylinder is a circular cylinder, an opening is formed in the guide cylinder along the axial direction and used for stretching the waterproof board or geotechnical cloth from the opening to the position between the driven wheel and the driving wheel, a buckle is arranged on the guide cylinder and connected with the support frame through a connecting piece, and the buckle is used for opening the driven wheel frame under the action of the pulling force of the opening spring;
The waterproof board roll or geotechnical cloth roll is characterized in that a movable end cover is arranged at one end of the device body, a fixed end cover is arranged at the other end of the device body, a buckle on the guide cylinder is connected with the movable end cover, and a detachable rotary thimble is arranged at the centers of the movable end cover and the fixed end cover and used for propping up a waterproof board roll or geotechnical cloth roll arranged on the guide cylinder;
the construction method comprises the following steps:
Step 1, before construction, opening a movable end cover on a device body, completely putting geotextile or waterproof board rolls into a guide cylinder, and closing the movable end cover and locking after the waterproof board rolls or geotextile and the fixed end cover are in close contact;
Step 2, opening a buckle on the driven wheel frame, and under the action of an opening spring, rotating the driven wheel frame hinged with the support frame to open, wherein the driving wheel is separated from contact with the driven wheel at the moment, manually stretching the waterproof board or geotechnical cloth from the longitudinal opening of the guide cylinder, and enabling the waterproof board or geotechnical cloth to extend 15-20cm out of the wheel surface of the driving wheel;
Step 3, closing the buckle locking driven wheel frame, and adjusting the tightness degree of a compression bolt of the compression assembly, thereby adjusting the distance between the driven wheel and the wheel surface of the driving wheel, and adjusting the compression degree and the friction force among the driven wheel, the driving wheel and the geotechnical cloth or the waterproof board;
and 4, starting an external driving mechanism, wherein an output shaft of the driving mechanism is connected with a transmission shaft, and driving the driving wheel to rotate so as to drive the driven wheel and the drag reduction bearing to rotate, thereby completing the spreading construction of the waterproof board or geotechnical cloth.
2. The construction method based on the waterproof board and geotextile spreading device according to claim 1, wherein the construction method comprises the following steps: the outside of device body is equipped with the protective housing, the protective housing is the U type shell, the both ends of protective housing are equipped with the marginal board, be equipped with the otic placode in the middle of the outside bottom of protective housing for external mechanism connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578389.0A CN110159320B (en) | 2019-06-28 | 2019-06-28 | Waterproof board, geotextile spreading device and construction method of geotextile spreading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578389.0A CN110159320B (en) | 2019-06-28 | 2019-06-28 | Waterproof board, geotextile spreading device and construction method of geotextile spreading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110159320A CN110159320A (en) | 2019-08-23 |
| CN110159320B true CN110159320B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910578389.0A Active CN110159320B (en) | 2019-06-28 | 2019-06-28 | Waterproof board, geotextile spreading device and construction method of geotextile spreading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110159320B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3640573A (en) * | 1969-10-06 | 1972-02-08 | Smith International | Tunneling machine |
| WO2015154698A1 (en) * | 2014-04-09 | 2015-10-15 | 邓卫东 | Installation platform and installation method for tunnel waterproof sheet having wide width |
| CN108691558A (en) * | 2018-06-05 | 2018-10-23 | 中铁二局集团有限公司 | A kind of anchor bar of waterproof plate in tunnels laying method |
| CN109899094A (en) * | 2019-04-04 | 2019-06-18 | 涪特智能装备（重庆）有限公司 | A kind of geotextiles and splash guard are laid with comprehensive trolley and mechanical laying method |
| CN210396765U (en) * | 2019-06-28 | 2020-04-24 | 中铁隧道集团二处有限公司 | Waterproof board and geotextile spreading device |
-
2019
- 2019-06-28 CN CN201910578389.0A patent/CN110159320B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3640573A (en) * | 1969-10-06 | 1972-02-08 | Smith International | Tunneling machine |
| WO2015154698A1 (en) * | 2014-04-09 | 2015-10-15 | 邓卫东 | Installation platform and installation method for tunnel waterproof sheet having wide width |
| CN108691558A (en) * | 2018-06-05 | 2018-10-23 | 中铁二局集团有限公司 | A kind of anchor bar of waterproof plate in tunnels laying method |
| CN109899094A (en) * | 2019-04-04 | 2019-06-18 | 涪特智能装备（重庆）有限公司 | A kind of geotextiles and splash guard are laid with comprehensive trolley and mechanical laying method |
| CN210396765U (en) * | 2019-06-28 | 2020-04-24 | 中铁隧道集团二处有限公司 | Waterproof board and geotextile spreading device |
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| Publication number | Publication date |
|---|---|
| CN110159320A (en) | 2019-08-23 |
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