CN112282801A - Highway tunnel platform truck - Google Patents
Highway tunnel platform truck Download PDFInfo
- Publication number
- CN112282801A CN112282801A CN202011351417.4A CN202011351417A CN112282801A CN 112282801 A CN112282801 A CN 112282801A CN 202011351417 A CN202011351417 A CN 202011351417A CN 112282801 A CN112282801 A CN 112282801A
- Authority
- CN
- China
- Prior art keywords
- water spraying
- water
- tunnel
- pipe
- trolley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 238000005507 spraying Methods 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 239000007921 spray Substances 0.000 claims description 27
- 238000013016 damping Methods 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
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
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
- E21D11/406—Placing endless lining elements, e.g. from reels
-
- 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
-
- 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
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a road tunnel trolley, and relates to the technical field of tunnel construction equipment; the water spraying device comprises a trolley body, sliding wheels, an arched support and a water spraying pipe, wherein the water spraying pipe is arranged on the trolley body; the sliding wheels are arranged at the bottom of the trolley body; the two arched supports are arranged at the front end and the rear end of the trolley body in a mirror image mode and located on the outer side of the water spraying pipe, the shapes of the two arched supports are matched with the cross section of the tunnel, and each arched support comprises two transmission chains arranged in parallel; two pulley blocks are arranged on two transmission chains in a mirror mode, two compression bar driving assemblies are arranged on the two pulley blocks in a mirror mode, and a hanging basket is hung between the two V-shaped guide pillars. The invention can effectively improve the labor efficiency and reduce the labor intensity.
Description
Technical Field
The invention relates to the technical field of tunnel construction equipment, in particular to a road tunnel trolley.
Background
Along with the development of road construction, the construction amount of highway tunnels is increased, multifunctional trolleys are required to be applied to assist constructors to construct roads in the construction process, waterproof coiled materials are required to be laid on the tunnels in the tunnel construction, the coiled materials are laid on the ladder frame for manual standing at present, the labor efficiency is low, and the labor intensity is high in the laying process.
Disclosure of Invention
The invention aims to provide a road tunnel trolley, which solves the problems in the prior art, and can effectively improve the labor efficiency and reduce the labor intensity.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a road tunnel trolley which comprises a trolley body, sliding wheels, an arched support and a water spray pipe, wherein the water spray pipe is arranged on the trolley body, and two ends of the water spray pipe are arranged in a closed manner; the water spraying pipe comprises a first water spraying section corresponding to one side wall of the tunnel, a second water spraying section corresponding to the top wall of the tunnel and a third water spraying section corresponding to the other side wall of the tunnel along the length direction of the water spraying pipe, and the second water spraying section is communicated with a water conveying pipe communicated with a water supply device; the pipe wall of the water spraying pipe is provided with at least one group of water spraying holes, and the water spraying holes are distributed in the first water spraying section, the second water spraying section and the third water spraying section; the sliding wheels are arranged at the bottom of the trolley body; the two arched supports are arranged at the front end and the rear end of the trolley body in a mirror image mode and located on the outer side of the water spraying pipe, the shapes of the two arched supports are matched with the cross section of the tunnel, and each arched support comprises two transmission chains arranged in parallel; the two pulley blocks are arranged on the two transmission chains in a mirror image mode and comprise pulleys, a hydraulic motor, a speed reducer assembly and a hollow support sleeve; the hydraulic motor drives a speed reducer; the pulley is matched with the transmission chain and can move along the transmission chain under the action of the speed reducer assembly; the hollow support sleeve is fixedly arranged on the pulley, and the length direction of the hollow support sleeve is vertical to the movement direction of the pulley; the two compression bar driving assemblies are arranged on the two pulley blocks in a mirror image mode, and each compression bar driving assembly comprises a V-shaped guide pillar, a first hydraulic cylinder, a second hydraulic cylinder, a rocker and a compression bar; one end of the V-shaped guide post is sleeved in the hollow support sleeve and is connected with the hollow support sleeve in a sliding manner; two ends of the first hydraulic cylinder are respectively fixed on the V-shaped guide pillar and the hollow support sleeve, so that one end of the V-shaped guide pillar is controlled to slide in the hollow support sleeve; one end of each rocker is rotatably connected with the V-shaped guide pillar, the pressure lever is erected between the other ends of the two rockers, and the second hydraulic cylinder is used for controlling the rocker to rotate around one end of the rocker; a hanging basket is hung between the two V-shaped guide posts.
Optionally, a damping device is arranged between the sliding wheel and the bottom of the trolley body, the damping device comprises a damping frame, the top of the shock absorption frame is penetrated with a support plate, the two sides of the support plate positioned in the shock absorption frame are respectively connected with the two sides of the inner wall of the shock absorption frame in a sliding way, the top of the supporting plate is fixedly connected with the bottom of the box body 1, both sides of the bottom of the supporting plate are provided with grooves, the both sides of shock attenuation frame inner wall bottom just are located two fixedly connected with mount pad, two under the recess the equal fixedly connected with sill bar in top of mount pad, two the top of sill bar runs through two respectively the recess just extends to two the inside of recess, two the surface of sill bar just is located two respectively there is the movable block, two equal sliding connection under the recess the bottom and two of movable block just are located two between the top of mount pad the surface of sill bar all is overlapped and is equipped with the spring.
Optionally, the water pipe is communicated with the middle of the second water spraying section, and the first water spraying section and the third water spraying section are symmetrically arranged with respect to the second water spraying section.
Optionally, the hanging basket comprises a hanging basket body and hanging lugs arranged on two sides of the hanging basket body, and the hanging basket body is hung between the two V-shaped guide pillars through the hanging lugs; a groove is formed in the surface of the middle part far away from the two ends of the V-shaped guide pillar, and one end of the rocker is arranged in the groove; and two ends of the second hydraulic cylinder are respectively and rotatably connected with the other end of the rocker and the other end of the V-shaped guide pillar.
Optionally, the water spray holes are two groups, wherein one group of the water spray holes face to the front of the tunnel, and the other group of the water spray holes face to the back of the tunnel.
Optionally, the water spray pipe is an arc pipe, and a radial section of an arc or an elliptical arc where the water spray pipe is located is parallel to the cross section of the tunnel.
Optionally, the water spray pipe is detachably and fixedly connected with the trolley body through a fastener; the first end of the water conveying pipe is communicated with the second water spraying section, and the second end of the water conveying pipe is connected with a connecting joint used for being connected with a water supply device.
Optionally, a support platform is arranged on the trolley body and fixedly connected with the arched support through a reinforcing rod.
Compared with the prior art, the invention has the following technical effects:
according to the invention, before the waterproof coiled material is laid, only the free end of the water pipe is connected with the water supply device, the water supply device conveys water to the communication position of the water pipe and the water spraying pipe through the water pipe, then the water flow branches respectively flow to the first water spraying section and the third water spraying section, the water spraying pipe sprays water outwards through the water spraying holes to form a water curtain, and the water curtain can carry out dust fall treatment on the interior of the tunnel. After dust fall is processed, one end of the V-shaped guide pillar is controlled through the first hydraulic cylinder to slide through the hollow support sleeve, and meanwhile, the rocker is controlled through the second hydraulic cylinder to rotate around one end of the rocker, so that a waterproof coiled material hung on the pressing rod can be pressed on the inner wall of the tunnel, at the moment, a person on the hanging basket can conveniently and quickly fix the waterproof coiled material on the inner wall of the tunnel, the efficient laying of the waterproof coiled material is achieved, and the labor intensity in the laying process is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a road tunnel trolley according to the present invention;
FIG. 2 is a schematic structural view of the V-shaped guide post of the present invention;
FIG. 3 is a schematic structural view of a hanging basket of the present invention;
FIG. 4 is a schematic view of the arrangement of the cradle and the arched support according to the present invention;
FIG. 5 is a schematic view of a shock absorbing device according to the present invention;
the hydraulic control device comprises a trolley body 1, a sliding wheel 2, an arched support 3, a water spray pipe 4, a water delivery pipe 5, a water spray hole 6, a tackle 7, a tackle 701, a hydraulic motor 702, a hollow support sleeve 703, a pressure rod driving assembly 8, a V-shaped guide column 801, a first hydraulic cylinder 802, a second hydraulic cylinder 803, a rocker 804, a pressure rod 805, a hanging basket 9, a hanging basket body 901, a hanging lug 902, a damping device 10, a damping frame 1001, a support plate 1002, a groove 1003, a mounting seat 1004, a bottom rod 1005, a movable block 1006, a spring 1007, a support table 11, a reinforcing rod 12 and a ladder 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a road tunnel trolley, which solves the problems in the prior art, and can effectively improve the labor efficiency and reduce the labor intensity.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a road tunnel trolley, which comprises a trolley body 1, a sliding wheel 2, an arched support 3 and a water spray pipe 4, wherein the water spray pipe 4 is arranged on the trolley body 1, and two ends of the water spray pipe 4 are arranged in a closed manner, as shown in figures 1-5; the water spraying pipe 4 comprises a first water spraying section corresponding to one side wall of the tunnel, a second water spraying section corresponding to the top wall of the tunnel and a third water spraying section corresponding to the other side wall of the tunnel along the length direction of the water spraying pipe, and the second water spraying section is communicated with a water conveying pipe 5 communicated with a water supply device; the pipe wall of the water spraying pipe 4 is provided with at least one group of water spraying holes 6, and the water spraying holes 6 are distributed in the first water spraying section, the second water spraying section and the third water spraying section; the four sliding wheels 2 are symmetrically arranged at the bottom of the trolley body 1; the two arched supports 3 are arranged at the front end and the rear end of the trolley body 1 in a mirror image mode and are positioned outside the water spraying pipe 4, the shapes of the two arched supports 3 are matched with the cross section of the tunnel, and each arched support 3 comprises two transmission chains which are arranged in parallel; the two pulley blocks 7 are arranged on the two transmission chains in a mirror image mode, and each pulley block 7 comprises a pulley 701, a hydraulic motor 702, a speed reducer assembly and a hollow support sleeve 703; the hydraulic motor 702 drives the reducer of the reducer assembly; the trolley comprises guide wheels and gears (not shown). The guide wheel is tightly attached to the outer side of the arched support to play a role in supporting the pulley block, the gear is meshed with the transmission chain, the hydraulic motor drives the gear to enable the pulley block to move along the arched support, and the pulley 701 is matched with the transmission chain and can move along the transmission chain under the action of the speed reducer component; the hollow support sleeve 703 is fixedly arranged on the pulley 701, and the length direction of the hollow support sleeve is vertical to the movement direction of the pulley 701; two compression bar driving components 8 are arranged on the two pulley blocks 7 in a mirror image manner, and each compression bar driving component 8 comprises a V-shaped guide column 801, a first hydraulic cylinder 802, a second hydraulic cylinder 803, a rocker 804 and a compression bar 805; one end of the V-shaped guide pillar 801 is sleeved in the hollow support sleeve 703 and is connected with the hollow support sleeve 703 in a sliding manner; two ends of the first hydraulic cylinder 802 are respectively fixed to the V-shaped guide post 801 and the hollow support sleeve 703, so as to control one end of the V-shaped guide post 801 to slide on the hollow support sleeve 703; one end of each rocker 804 is rotatably connected with the V-shaped guide column 801, the compression bar 805 is erected between the other ends of the two rockers 804, and the second hydraulic cylinder 803 is used for controlling the rocker 804 to rotate around one end of the rocker 804; a hanging basket 9 is hung between the two V-shaped guide posts 801.
Preferably, a damping device 10 is arranged between the sliding wheel 2 and the bottom of the trolley body 1, the damping device 10 includes a damping frame 1001, a supporting plate 1002 penetrates through the top of the damping frame 1001, two sides of the supporting plate 1002, which are located inside the damping frame 1001, are respectively connected with two sides of the inner wall of the damping frame 1001 in a sliding manner, the top of the supporting plate 1002 is fixedly connected with the bottom of the box body 1, grooves 1003 are respectively formed on two sides of the bottom of the supporting plate 1002, mounting seats 1004 are fixedly connected to two sides of the bottom of the inner wall of the damping frame 1001, which are respectively located right below the two grooves 1003, a bottom rod 1005 is fixedly connected to the tops of the two mounting seats 1004, the top ends of the two bottom rods 1005 respectively penetrate through the two grooves 1003 and extend into the two grooves 1003, movable blocks 1006 are respectively connected to the surfaces of the two bottom rods 1005 in a sliding manner, which are respectively located right below the two grooves 1003, springs 1007 are sleeved on the surfaces of the two bottom rods 1005 between the bottoms of the two movable blocks 1006 and the tops of the two mounting seats 1004.
The water conveying pipe 5 is communicated with the middle part of the second water spraying section, and the first water spraying section and the third water spraying section are symmetrically arranged relative to the second water spraying section. The hanging basket 9 comprises a hanging basket body 901 and hanging lugs 902 arranged on two sides of the hanging basket body 901, and the hanging basket body 901 is hung between the two V-shaped guide pillars 801 through the hanging lugs 902; a groove is formed in the surface of the middle part far away from the two ends of the V-shaped guide pillar 801, and one end of the rocker is arranged in the groove; and two ends of the second hydraulic cylinder are respectively and rotatably connected with the other end of the rocker and the other end of the V-shaped guide pillar. The water spray holes are divided into two groups, wherein one group of water spray holes face to the front of the tunnel, and the other group of water spray holes face to the rear of the tunnel. The water spray pipe is an arc-shaped pipe, and the radial section of the arc or the elliptical arc where the water spray pipe is located is parallel to the cross section of the tunnel. The spray pipe is detachably and fixedly connected with the trolley body through a fastener; the first end of the water conveying pipe is communicated with the second water spraying section, and the second end of the water conveying pipe is connected with a connecting joint used for being connected with a water supply device. The trolley body 1 is provided with a support table 11, and the support table 11 is fixedly connected with the arched support 3 through a reinforcing rod 12. The trolley body 1 is provided with a ladder 13 so that an operator can conveniently reach the support platforms 11 with different heights on the trolley body 1; specifically, the number and the position of the ladders 13 can be adjusted according to the position of the support table 11.
When the water spraying dust removal device is used, the water spraying pipe is firstly used for spraying water to the tunnel for dust removal, after dust removal is finished, a worker climbs the hanging basket through the crawling ladder, the pressure rod is controlled to be close to the inner wall of the tunnel, and the waterproof coiled material hung on the pressure rod is pressed on the inner wall of the tunnel.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The utility model provides a highway tunnel platform truck which characterized in that: the water spraying device comprises a trolley body, sliding wheels, an arched support and a water spraying pipe, wherein the water spraying pipe is arranged on the trolley body, and two ends of the water spraying pipe are arranged in a closed manner; the water spraying pipe comprises a first water spraying section corresponding to one side wall of the tunnel, a second water spraying section corresponding to the top wall of the tunnel and a third water spraying section corresponding to the other side wall of the tunnel along the length direction of the water spraying pipe, and the second water spraying section is communicated with a water conveying pipe communicated with a water supply device; the pipe wall of the water spraying pipe is provided with at least one group of water spraying holes, and the water spraying holes are distributed in the first water spraying section, the second water spraying section and the third water spraying section; the sliding wheels are arranged at the bottom of the trolley body; the two arched supports are arranged at the front end and the rear end of the trolley body in a mirror image mode and located on the outer side of the water spraying pipe, the shapes of the two arched supports are matched with the cross section of the tunnel, and each arched support comprises two transmission chains arranged in parallel; the two pulley blocks are arranged on the two transmission chains in a mirror image mode and comprise pulleys, a hydraulic motor, a speed reducer assembly and a hollow support sleeve; the hydraulic motor drives a speed reducer; the pulley is matched with the transmission chain and can move along the transmission chain under the action of the speed reducer assembly; the hollow support sleeve is fixedly arranged on the pulley, and the length direction of the hollow support sleeve is vertical to the movement direction of the pulley; the two compression bar driving assemblies are arranged on the two pulley blocks in a mirror image mode, and each compression bar driving assembly comprises a V-shaped guide pillar, a first hydraulic cylinder, a second hydraulic cylinder, a rocker and a compression bar; one end of the V-shaped guide post is sleeved in the hollow support sleeve and is connected with the hollow support sleeve in a sliding manner; two ends of the first hydraulic cylinder are respectively fixed on the V-shaped guide pillar and the hollow support sleeve, so that one end of the V-shaped guide pillar is controlled to slide in the hollow support sleeve; one end of each rocker is rotatably connected with the V-shaped guide pillar, the pressure lever is erected between the other ends of the two rockers, and the second hydraulic cylinder is used for controlling the rocker to rotate around one end of the rocker; a hanging basket is hung between the two V-shaped guide posts.
2. The road tunnel trolley of claim 1, wherein: a damping device is arranged between the sliding wheel and the bottom of the trolley body, the damping device comprises a damping frame, the top of the shock absorption frame is penetrated with a support plate, the two sides of the support plate positioned in the shock absorption frame are respectively connected with the two sides of the inner wall of the shock absorption frame in a sliding way, the top of the supporting plate is fixedly connected with the bottom of the box body 1, both sides of the bottom of the supporting plate are provided with grooves, the both sides of shock attenuation frame inner wall bottom just are located two fixedly connected with mount pad, two under the recess the equal fixedly connected with sill bar in top of mount pad, two the top of sill bar runs through two respectively the recess just extends to two the inside of recess, two the surface of sill bar just is located two respectively there is the movable block, two equal sliding connection under the recess the bottom and two of movable block just are located two between the top of mount pad the surface of sill bar all is overlapped and is equipped with the spring.
3. The road tunnel trolley of claim 1, wherein: the water conveying pipe is communicated with the middle of the second water spraying section, and the first water spraying section and the third water spraying section are symmetrically arranged relative to the second water spraying section.
4. The road tunnel trolley of claim 1, wherein: the hanging basket comprises a hanging basket body and hanging lugs arranged on two sides of the hanging basket body, and the hanging basket body is hung between the two V-shaped guide pillars through the hanging lugs; a groove is formed in the surface of the middle part far away from the two ends of the V-shaped guide pillar, and one end of the rocker is arranged in the groove; and two ends of the second hydraulic cylinder are respectively and rotatably connected with the other end of the rocker and the other end of the V-shaped guide pillar.
5. The road tunnel trolley of claim 1, wherein: the water spray holes are divided into two groups, wherein one group of water spray holes face to the front of the tunnel, and the other group of water spray holes face to the rear of the tunnel.
6. The road tunnel trolley of claim 1, wherein: the water spray pipe is an arc-shaped pipe, and the radial section of the arc or the elliptical arc where the water spray pipe is located is parallel to the cross section of the tunnel.
7. The road tunnel trolley of claim 1, wherein: the water spray pipe is detachably and fixedly connected with the trolley body through a fastener; the first end of the water conveying pipe is communicated with the second water spraying section, and the second end of the water conveying pipe is connected with a connecting joint used for being connected with a water supply device.
8. The road tunnel trolley of claim 1, wherein: the trolley body is provided with a support platform, and the support platform is fixedly connected with the arched support through a reinforcing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011351417.4A CN112282801A (en) | 2020-11-27 | 2020-11-27 | Highway tunnel platform truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011351417.4A CN112282801A (en) | 2020-11-27 | 2020-11-27 | Highway tunnel platform truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112282801A true CN112282801A (en) | 2021-01-29 |
Family
ID=74426757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011351417.4A Pending CN112282801A (en) | 2020-11-27 | 2020-11-27 | Highway tunnel platform truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112282801A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565545A (en) * | 2021-09-03 | 2021-10-29 | 河北东风世景轨道有限公司 | Cloth trolley is hung to tunnel waterproof board |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209129634U (en) * | 2018-10-09 | 2019-07-19 | 福建省三明鑫隆工程机械有限公司 | Anchor bar of waterproof plate in tunnels dossal trolley |
| CN209129635U (en) * | 2018-10-09 | 2019-07-19 | 福建省三明鑫隆工程机械有限公司 | Anchor bar of waterproof plate in tunnels dossal trolley |
| CN209398436U (en) * | 2018-10-09 | 2019-09-17 | 福建省三明鑫隆工程机械有限公司 | Anchor bar of waterproof plate in tunnels dossal trolley |
| CN210483788U (en) * | 2019-07-16 | 2020-05-08 | 成都华川公路建设集团有限公司 | Tunnel trolley |
| CN210768911U (en) * | 2019-11-08 | 2020-06-16 | 宋善举 | Multifunctional trolley for highway tunnel construction |
-
2020
- 2020-11-27 CN CN202011351417.4A patent/CN112282801A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209129634U (en) * | 2018-10-09 | 2019-07-19 | 福建省三明鑫隆工程机械有限公司 | Anchor bar of waterproof plate in tunnels dossal trolley |
| CN209129635U (en) * | 2018-10-09 | 2019-07-19 | 福建省三明鑫隆工程机械有限公司 | Anchor bar of waterproof plate in tunnels dossal trolley |
| CN209398436U (en) * | 2018-10-09 | 2019-09-17 | 福建省三明鑫隆工程机械有限公司 | Anchor bar of waterproof plate in tunnels dossal trolley |
| CN210483788U (en) * | 2019-07-16 | 2020-05-08 | 成都华川公路建设集团有限公司 | Tunnel trolley |
| CN210768911U (en) * | 2019-11-08 | 2020-06-16 | 宋善举 | Multifunctional trolley for highway tunnel construction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565545A (en) * | 2021-09-03 | 2021-10-29 | 河北东风世景轨道有限公司 | Cloth trolley is hung to tunnel waterproof board |
| CN113565545B (en) * | 2021-09-03 | 2022-05-10 | 河北东风世景轨道有限公司 | Cloth platform truck is hung to tunnel waterproof board |
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Application publication date: 20210129 |
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