CN111677528B - Tunnel ditch construction rack - Google Patents
Tunnel ditch construction rack Download PDFInfo
- Publication number
- CN111677528B CN111677528B CN202010485804.0A CN202010485804A CN111677528B CN 111677528 B CN111677528 B CN 111677528B CN 202010485804 A CN202010485804 A CN 202010485804A CN 111677528 B CN111677528 B CN 111677528B
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- plate
- ditch
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- supporting
- tunnel ditch
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- 238000010276 construction Methods 0.000 title claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 238000005452 bending Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 239000004568 cement Substances 0.000 description 14
- 230000008901 benefit Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel ditch construction rack, comprising: the supporting frame moves along the extending direction of the tunnel ditch, stretches across the ditch, and a cross beam of the supporting frame is provided with a notch; the model that comprises left plate and right plate, left plate and right plate hang under the crossbeam through the regulating part respectively, and the regulating part passes the notch and can follow the notch and remove about in order to adjust the relative distance of left plate and right plate. The support frame enables the left plate and the right plate to be more easily carried and moved, and the distance between the left plate and the right plate is easier to adjust, so that the left plate and the right plate form a model which is consistent with the width of a preset ditch, and the model is quickly built, so that the model can be conveniently poured outside the model in the later period, the pouring efficiency of the ditch is improved, and the labor consumption is reduced.
Description
Technical Field
The invention relates to the technical field of tunnel construction equipment, in particular to a tunnel ditch construction rack.
Background
In the process of tunnel construction, a groove can be reserved after cement is poured at the bottom of a tunnel and bottoming is carried out, the groove can be used for wiring or drainage, the existing construction method is that two plates of about 30 meters are placed in the groove, a model of the groove is vertically built by the plates, then cement is poured on two sides of the plates, and the groove can be obtained by removing the plates after the cement is hardened and shaped. The plate is long and heavy, and can be carried, disassembled and assembled by 5 to 7 persons, so a large amount of manpower is consumed; meanwhile, the transportation and the disassembly and the assembly of the plate are time-consuming, and one construction period, namely the construction of a 30-meter tunnel, can be completed within two days; furthermore, the existing plate is too thin for reducing weight and facilitating transportation, and the too thin plate is easy to bend when pouring cement to cause that the ditch is not straight or the width is not uniform.
Therefore, it is highly desirable to design a tunnel ditch construction rack that can be assembled and disassembled quickly, reduce manpower consumption and shorten construction period, and reinforce the structural strength of the slab.
Disclosure of Invention
It is an object of the present invention to address at least the above-mentioned deficiencies and to provide at least the advantages which will be described hereinafter.
Another object of the present invention is to provide a tunnel ditch construction rack which is easier to carry and move, easier to adjust the distance between the plates, high in casting efficiency and less in manpower consumption.
To achieve these objects and other advantages in accordance with the purpose of the invention, the present invention provides a tunnel ditch construction rack, comprising:
the supporting frame can move along the extending direction of the tunnel ditch, and comprises a left supporting rod, a right supporting rod and a cross beam horizontally erected on the left supporting rod and the right supporting rod, wherein wheels are arranged at the lower ends of the left supporting rod and the right supporting rod, and a notch arranged along the length direction is formed in the cross beam; the left plate and the right plate are suspended to the cross beam through adjusting pieces, and the adjusting pieces penetrate through the notches and can move left and right along the notches so as to adjust the relative distance between the left plate and the right plate. Left plate and right plate hang on the crossbeam through the regulating part, are convenient for on the one hand install and dismantle, are convenient for on the one hand adjust the distance between left plate and the right plate, and left plate and right plate set up the model that has constituted the ditch apart from each other. And the notch is arranged to facilitate the left and right movement of the adjusting piece.
Above-mentioned scheme, the support frame makes left plate and right plate carry the removal more easily, and the distance between left plate and the right plate is adjusted more easily simultaneously for the model size that left plate and right plate constitute conforms to with the ditch width of predetermineeing, builds more to do benefit to the later stage at the model outside of model to the model of model fast, has consequently improved the efficiency that the ditch was pour, has reduced the human consumption.
Preferably, the tunnel ditch construction rack in, still include interior piece that props, interior piece one end that props articulates the inner wall of left plate or right plate, the other end props up the inner wall of right plate or left plate. The inner supporting piece can swing left and right by taking a hinge point as a center, when the inner supporting piece swings to the left side and the right side, the inner supporting piece can not prop up the opposite plate, so that the distance between the left plate and the right plate can not be limited, and when the inner supporting piece swings to the position of the middle accessory, the inner supporting piece props up the opposite plate to prevent the plate from being pressed and the distance from being reduced when cement is poured on the two sides of the left plate and the right plate. Meanwhile, the inner supporting piece is connected in a hinged mode, so that the inner supporting piece is convenient to disassemble.
Preferably, the tunnel ditch construction rack in, set up slotted steel track respectively along tunnel ditch both sides, be provided with the rail groove on the channel steel track, the left branch vaulting pole and the right branch vaulting pole lower extreme of support frame are provided with the wheel respectively, the width of the width in wheel and rail groove equals in order to mutually support, the crossbeam of support frame spanes the tunnel ditch. The channel steel tracks are arranged on two sides of the groove in advance, so that the supporting frame can be conveniently moved above for construction. Meanwhile, the width of the wheel is consistent with the width of the rail groove, the wheel can be prevented from shaking left and right in the rail groove, the stability of the supporting frame is kept, and the construction precision is ensured.
Preferably, in the tunnel ditch construction rack, the adjusting member includes: one end of the threaded rod is connected with the left plate or the right plate, and the other end of the threaded rod penetrates through the notch; and the bolt is screwed and matched to the other end from the upper part, and the bolt is clamped on the notch to fix the threaded rod. The screwing bolt can adjust the threaded rod to move up and down so as to adjust the depth of the left plate and the right plate in the groove. The bolt may secure the threaded rod.
Preferably, in the tunnel ditch construction rack, the left plate and the right plate include: a steel plate having a thickness of 6 mm and a length of 24 m; and the channel steel is spliced to form a frame structure matched with the steel plate, and the frame structure is fixed on the inner side of the steel plate. The structural strength of the plate can be improved by splicing the channel steel to form a frame structure, so that the bending deformation of the steel plate is prevented; the thickness of the steel plate is set to 6 mm to avoid excessive weight while improving the necessary strength support.
Preferably, the tunnel ditch construction rack further comprises a bottom plate, and the bottom plate is detachably covered at the lower ends of the left plate and the right plate. Sometimes the ditch is too dark, and the ditch need not so deep when, need use the bottom plate to close the lower extreme lid of left plate and right plate and seal, the bottom plate can avoid cement to enter into in the middle of left plate and the right plate from the bottom when pouring.
Preferably, in the tunnel ditch construction rack, the bottom plate is an arc-shaped plate which is bent downwards. When pouring, the cement at the bottom can press the bottom plate to bend upwards, and the arc-shaped plate can offset the bending generated by pressing.
Preferably, the tunnel ditch construction rack in, still include the travelling motor, the travelling motor sets up the one end at the tunnel ditch, be connected with the haulage rope between travelling motor and left plate and the right plate, the travelling motor passes through the haulage rope and pulls left plate and right plate move along the tunnel ditch. When the construction of one section of tunnel gets into the construction in next section of tunnel, use the mobile motor to drag left plate and right plate and move forward to the destination, because left plate and right plate hang on the support frame, the support frame can move, has consequently reduced artifical transport, has improved handling speed.
Preferably, the tunnel ditch construction rack further comprises a limiting mechanism for limiting the upward bending amplitude of the bottom plate, and the limiting mechanism comprises:
the Y-shaped supporting piece consists of a hollow tube and two supporting legs, the two supporting legs are respectively connected to the same end of the hollow tube, are separated towards two sides and are symmetrical about the hollow tube, supporting parts are arranged on the supporting legs, and the supporting parts of the two supporting legs are respectively used for supporting or fixing the left plate block and the right plate block;
the adjusting screw rod is sleeved in the hollow pipe, the upper end and the lower end of the adjusting screw rod extend out of two ends of the hollow pipe, and the adjusting screw rod is in threaded fit with the hollow pipe;
the upper plate surface of the supporting plate is provided with a rotating part, and the adjusting screw is connected with the rotating part; the support plates may be arranged in an arc or flat or wavy line, etc., as desired.
Wherein, two supporting legs of Y type support piece prop up respectively or after fixed left plate and right plate, adjust adjusting screw makes the backup pad be located directly over the bottom plate, forms deformable space between backup pad and the bottom plate, when tunnel ditch bottom pouring leads to bottom plate pressurized kickup, backup pad propping bottom plate is in order to prevent the bottom plate excessively to guarantee leveling of bottom, or the shape of bottom for setting for.
The invention at least comprises the following beneficial effects:
firstly, the support frame is arranged, the cross beam of the support frame crosses the ditch, and the left plate and the right plate are hung on the cross beam, so that the plates are easier to carry and move on one hand, and the distance between the plates is easier to adjust on the other hand, therefore, the efficiency of ditch pouring is improved, and the labor consumption is reduced.
And the inner supporting piece is arranged to support the left plate and the right plate, so that the phenomenon that the distance between the left plate and the right plate is reduced due to compression of cement during pouring is avoided.
And thirdly, the channel steel is spliced to form the frame, so that the concave-convex deformation of the steel plate can be effectively reduced.
Finally, the moving motor is arranged to pull the left plate and the right plate to move, so that the carrying efficiency is improved, and the manual carrying is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of one embodiment of a tunnel ditch construction rack according to the present invention;
FIG. 2 is a schematic structural view of another embodiment of a tunnel ditch construction rack according to the present invention;
FIG. 3 is a schematic structural diagram of an adjusting bracket according to the present invention;
FIG. 4 is a schematic structural view of another embodiment of the tunnel ditch of the present invention;
FIG. 5 is a schematic view of the inner support member according to the present invention;
FIG. 6 is a schematic structural view of a limiting mechanism according to the present invention;
fig. 7 is a schematic top view of the bottom plate and the supporting plate according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
As shown in fig. 1, during construction in a tunnel 1, a left plate and a right plate are required to be placed in a ditch 2, cement is poured into a gap 3 between the left plate and the ditch wall and between the right plate and the ditch wall, and the ditch of a target specification is obtained only by removing the left plate and the right plate after shaping.
For better construction, as shown in fig. 1, 2, 3, 4 and 5, a tunnel ditch construction rack, comprising:
Further, the wall-mounted ceiling tile further comprises an inner supporting piece 11, one end of the inner supporting piece 11 is hinged to the inner wall of the left plate or the inner wall of the right plate, and the other end of the inner supporting piece 11 supports the inner wall of the right plate or the inner wall of the left plate. The structure of the inner supporting piece is specifically shown in fig. 5, the whole inner supporting piece is a rectangular frame and is formed by splicing four steel rods, hinge joints are arranged on the inner supporting piece, hinge joints matched with the inner supporting piece are arranged on the inner walls of the left plate block and the right plate block, and the two hinge joints are mutually matched to realize hinging and dismounting. The hinge point can be a door leaf, sleeves can be arranged in the left plate and the right plate, and the steel rod of the inner supporting piece is sleeved in the sleeves to complete the hinge. The inner supporting piece can swing left and right by taking a hinge point as a center, when the inner supporting piece swings to the left side and the right side, the inner supporting piece can not prop up the opposite plate, so that the distance between the left plate and the right plate can not be limited, and when the inner supporting piece swings to the position of the middle accessory, the inner supporting piece props up the opposite plate to prevent the plate from being pressed and the distance from being reduced when cement is poured on the two sides of the left plate and the right plate. Meanwhile, the inner supporting piece is connected in a hinged mode, so that the inner supporting piece is convenient to disassemble.
Further, as shown in fig. 3, grooved steel rails 14 are respectively arranged along two sides of the tunnel ditch, rail grooves are formed in the grooved steel rails 14, wheels 10 are respectively arranged at the lower ends of the left supporting rod 8 and the right supporting rod 9 of the supporting frame, the width of each wheel 10 is equal to that of each rail groove so as to be matched with each other, and the cross beam 7 of the supporting frame 5 stretches across the tunnel ditch. The channel steel tracks are arranged on two sides of the groove in advance, so that the supporting frame can be conveniently moved above for construction. The width of the wheel 10 is consistent with the width of the rail groove, so that the wheel 10 can be prevented from shaking left and right in the rail groove, the stability of the support frame is kept, and the construction precision is ensured.
Further, the adjusting member 6 includes: one end of the threaded rod is connected with the left plate or the right plate, and the other end of the threaded rod penetrates through the notch; and the bolt is screwed and matched to the other end from the upper part, and the bolt is clamped on the notch to fix the threaded rod. The screwing bolt can adjust the threaded rod to move up and down so as to adjust the depth of the left plate and the right plate in the groove. The bolt may secure the threaded rod.
Further, the left and right panels comprise: a steel plate having a thickness of 6 mm and a length of 24 m; the channel-section steel, its concatenation form with steel sheet assorted frame construction, frame construction fixed welding is in the inboard of steel sheet, the edge setting along the steel sheet of channel-section steel. The structural strength of the plate can be improved by splicing the channel steel to form a frame structure, so that the bending deformation of the steel plate is prevented; the thickness of the steel plate is set to 6 mm to avoid excessive weight while improving the necessary strength support.
Further, as shown in fig. 4, the foldable window frame further comprises a bottom plate 12, wherein the bottom plate 12 is detachably covered on the lower ends of the left plate and the right plate to seal the lower ends of the left plate and the right plate. Sometimes the ditch is too dark, and the ditch need not so deep when, need use the bottom plate to close the lower extreme lid of left plate and right plate and seal, the bottom plate can avoid cement to enter into in the middle of left plate and the right plate from the bottom when pouring. Can set up a horizontal pole in the upper end of left plate and right plate, the horizontal pole card provides the holding power in the top of left plate and right plate, uses a screw rod lower extreme to connect the bottom plate, and the upper end screw-thread fit of screw rod to horizontal pole can be with the bottom plate up-draw after revolving the screw rod like this for the bottom lid tightly is at the lower extreme of left plate and right plate.
Further, the bottom plate 12 is an arc-shaped plate, and the arc-shaped plate is bent downward. When pouring, the cement at the bottom can press the bottom plate to bend upwards, and the arc-shaped plate can offset the bending generated by pressing.
Further, still include the travelling motor, the travelling motor sets up the one end at the tunnel ditch, is located the position of next construction point, be connected with the haulage rope between travelling motor and left plate and the right plate, the travelling motor passes through the haulage rope and pulls left plate and right plate move along the tunnel ditch. When the construction of one section of tunnel gets into the construction in next section of tunnel, use the mobile motor to drag left plate and right plate and move forward to the destination, because left plate and right plate hang on the support frame, the support frame can move, has consequently reduced artifical transport, has improved handling speed.
Further, as shown in fig. 6 and 7, in another embodiment, the device further comprises a limiting mechanism for limiting the upward bending amplitude of the bottom plate 12, wherein the limiting mechanism comprises:
the Y-shaped supporting piece consists of a hollow pipe 15 and two supporting legs 16, the two supporting legs 16 are respectively connected to the same end of the hollow pipe 15 and are separated towards two sides and are symmetrical about the hollow pipe 15, supporting parts 18 are arranged on the supporting legs 16, and the supporting parts 18 of the two supporting legs 16 are respectively used for supporting or fixing the left plate block 4 and the right plate block;
the adjusting screw 17 is sleeved inside the hollow tube 15, the upper end and the lower end of the adjusting screw 17 extend out of two ends of the hollow tube 15, the adjusting screw 17 is in threaded fit with the hollow tube 15, and the lower end of the adjusting screw can extend out of the hollow tube by twisting the adjusting screw;
the upper plate surface of the supporting plate 20 is provided with a rotating part 19, and the adjusting screw 17 is connected with the rotating part 19, so that the supporting plate 20 cannot be driven to rotate when the adjusting screw is twisted; the support plates may be arranged in an arc or flat or wavy line, etc., as desired.
After the two support legs 16 of the Y-shaped support member support or fix the left plate 4 and the right plate respectively, the adjusting screw 17 is adjusted to enable the support plate 20 to be located right above the bottom plate 12, a deformable space 21 is formed between the support plate 20 and the bottom plate 12, and when the bottom plate 12 is pressed and bent upwards due to the fact that the bottom plate is poured at the bottom of the tunnel ditch, the support plate 20 supports the bottom plate 12 to prevent the bottom plate from being bent and deformed excessively, so that the flatness of the bottom concrete or the shape of the bottom concrete is guaranteed.
As shown in fig. 7, since the base plate 12 is drawn upward by the screws 21 to cover the lower ends of the left and right blocks, the support plate 20 is positioned between the adjacent two screws 21 in order to avoid the screws 21, and the support plate 20 is sized to support the base plate 12 as completely as possible.
The implementation process of the invention comprises the following steps: the left plate and the right plate are placed into the tunnel ditch and then hung on the cross beam through the adjusting frame, the position of the adjusting piece at the notch is adjusted to adjust the distance between the left plate and the right plate, the inner supporting piece is swung to support the left plate and the right plate, then the bottom plate is tightly covered and sealed at the lower ends of the left plate and the right plate, then the limiting mechanism is arranged, the deformation space between the supporting plate and the bottom plate is adjusted, the bottom plate is prevented from excessively deforming, at the moment, the cement can be poured into the gap between the outer wall of the left plate and the ditch and the lower part of the bottom plate, after the cement is hardened, the left plate and the right plate can be disassembled, and construction in one stage is completed.
When the construction of the next stage needs to be carried out, the movable motor is fixed at the next construction point of the tunnel ditch, the traction rope is connected to the left plate and the right plate, and the movable motor is started to drag the left plate and the right plate to the next construction point.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a tunnel ditch construction rack which characterized in that includes:
the supporting frame moves along the extending direction of the tunnel ditch, stretches across the ditch, and a cross beam of the supporting frame is provided with a notch;
the model consists of a left plate and a right plate, the left plate and the right plate are respectively suspended below the cross beam through adjusting pieces, and the adjusting pieces penetrate through the notches and can move left and right along the notches so as to adjust the relative distance between the left plate and the right plate;
the bottom plate is detachably covered at the lower ends of the left plate and the right plate;
the bottom plate is an arc-shaped plate, and the arc-shaped plate is bent downwards;
still include the stop gear who is used for injecing the bottom plate amplitude of bending upwards, stop gear includes:
the Y-shaped supporting piece consists of a hollow tube and two supporting legs, the two supporting legs are respectively connected to the same end of the hollow tube, are separated towards two sides and are symmetrical about the hollow tube, supporting parts are arranged on the supporting legs, and the supporting parts of the two supporting legs are respectively used for supporting or fixing the left plate block and the right plate block;
the adjusting screw rod is sleeved in the hollow pipe, the upper end and the lower end of the adjusting screw rod extend out of two ends of the hollow pipe, and the adjusting screw rod is in threaded fit with the hollow pipe;
the upper plate surface of the supporting plate is provided with a rotating part, and the adjusting screw is connected with the rotating part;
after the two support legs of the Y-shaped support member support or fix the left plate and the right plate respectively, the adjusting screw rod is adjusted to enable the support plate to be positioned right above the bottom plate, a deformable space is formed between the support plate and the bottom plate, and when the bottom plate is pressed to bend upwards due to the fact that the bottom plate is poured at the bottom of the tunnel ditch, the support plate supports the bottom plate to prevent the bottom plate from bending excessively;
the inner supporting piece is hinged to the inner wall of the left plate or the right plate at one end, and supports against the inner wall of the right plate or the left plate at the other end;
the inner supporting piece is integrally a rectangular frame and is formed by splicing four steel rods, hinge points are arranged on the inner supporting piece, hinge points matched with the inner supporting piece are arranged on the inner walls of the left plate and the right plate, and the two hinge points are matched with each other to realize hinging and dismounting.
2. The tunnel ditch construction rack of claim 1, wherein grooved steel rails are respectively provided along both sides of the tunnel ditch, the grooved steel rails are provided with rail grooves, the lower ends of the left and right support bars of the support frame are respectively provided with wheels, the width of the wheels and the width of the rail grooves are equal to each other so as to be matched with each other, and the cross beam of the support frame crosses the tunnel ditch.
3. The tunnel ditch construction rack of claim 1, wherein the adjusting member comprises:
one end of the threaded rod is connected with the left plate or the right plate, and the other end of the threaded rod penetrates through the notch;
and a bolt screwed and matched to the other end of the threaded rod from the upper part, and clamped on the notch to fix the threaded rod.
4. A tunnel ditch construction rack as claimed in claim 1, wherein the left and right panels comprise:
a steel plate having a thickness of 6 mm and a length of 24 m;
and the channel steel is spliced to form a frame structure matched with the steel plate, and the frame structure is fixed on the inner side of the steel plate.
5. The tunnel ditch construction stage of claim 1, further comprising a moving motor provided at one end of the tunnel ditch, wherein a traction rope is connected between the moving motor and the left and right blocks, and the moving motor pulls the left and right blocks to move along the tunnel ditch through the traction rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010485804.0A CN111677528B (en) | 2020-06-01 | 2020-06-01 | Tunnel ditch construction rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010485804.0A CN111677528B (en) | 2020-06-01 | 2020-06-01 | Tunnel ditch construction rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111677528A CN111677528A (en) | 2020-09-18 |
| CN111677528B true CN111677528B (en) | 2022-05-27 |
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| CN202010485804.0A Active CN111677528B (en) | 2020-06-01 | 2020-06-01 | Tunnel ditch construction rack |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203685224U (en) * | 2014-01-09 | 2014-07-02 | 重庆广播电视大学 | Bicycle type formwork for tunnel ditch |
| CN205445632U (en) * | 2016-03-23 | 2016-08-10 | 中铁隧道集团二处有限公司 | Hang commentaries on classics formula ditch cable groove built -up plate |
| CN207377577U (en) * | 2017-11-06 | 2018-05-18 | 中铁二局集团有限公司 | For the mobile formwork of single line major long tunnel ditch cable trench construction |
| CN109899088A (en) * | 2017-12-08 | 2019-06-18 | 中铁二局集团有限公司 | It is a kind of for being poured the mobile formwork and pouring procedure of tunnel Central drain |
| CN208057132U (en) * | 2018-02-08 | 2018-11-06 | 中铁隧道集团四处有限公司 | Tunnel Central drain self-propelled moveable formwork |
| CN208010402U (en) * | 2018-03-30 | 2018-10-26 | 刘磊 | A kind of railway and vcehicular tunnel ditch cable trench mechanized construction plant |
| CN208763671U (en) * | 2018-09-24 | 2019-04-19 | 重庆工商职业学院 | Self-propelled integrated tunnel inverted arch device |
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2020
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| CB03 | Change of inventor or designer information |
Inventor after: Gao Quan Inventor after: Liu Jun Inventor after: Gao Chunying Inventor after: Xu Lunjun Inventor after: Wang Feng Inventor after: Zhang Fali Inventor after: He Dequan Inventor after: Sun Pengtao Inventor after: He Shunzhou Inventor after: Xiao kunfa Inventor before: Zhang Fali Inventor before: Sun Pengtao Inventor before: Gao Quan Inventor before: He Shunzhou Inventor before: Wang Feng Inventor before: Xiao kunfa Inventor before: Liu Jun Inventor before: Xu Lunjun Inventor before: Gao Chunying Inventor before: He Dequan |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |