[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN110438913B - Box culvert jacking elevation control system - Google Patents

Box culvert jacking elevation control system Download PDF

Info

Publication number
CN110438913B
CN110438913B CN201810412386.5A CN201810412386A CN110438913B CN 110438913 B CN110438913 B CN 110438913B CN 201810412386 A CN201810412386 A CN 201810412386A CN 110438913 B CN110438913 B CN 110438913B
Authority
CN
China
Prior art keywords
shovel
box culvert
control system
jack
head
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.)
Active
Application number
CN201810412386.5A
Other languages
Chinese (zh)
Other versions
CN110438913A (en
Inventor
孟冉
张海峰
曹立江
贾建彬
王习证
王凯
夏勇
李志刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Gaoda Intelligent Equipment Co ltd
Original Assignee
Hebei Gaoda Intelligent Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei Gaoda Intelligent Equipment Co ltd filed Critical Hebei Gaoda Intelligent Equipment Co ltd
Priority to CN201810412386.5A priority Critical patent/CN110438913B/en
Publication of CN110438913A publication Critical patent/CN110438913A/en
Application granted granted Critical
Publication of CN110438913B publication Critical patent/CN110438913B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F5/00Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
    • E01F5/005Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

The invention discloses a box culvert jacking elevation control system, and belongs to the technical field of road construction. The box culvert levelness measuring device comprises a box culvert levelness measuring device, a control unit and a plurality of elevation control auxiliary parts, wherein each elevation control auxiliary part comprises a shovel body, a shovel head, a hydraulic control system and a distance sensor, the shovel heads are arranged at the front ends of the shovel bodies, the front ends of the shovel heads are provided with a plurality of shovel teeth, a jack is arranged between each shovel head and each shovel body, the jack is connected with the hydraulic control system, a cylinder body of the jack is fixed on the shovel body, the jack head of the jack is connected with the shovel head, the box culvert levelness measuring device comprises a liquid storage tank and measuring bodies, each measuring body is internally provided with one hydraulic sensor, and each hydraulic control system, each distance sensor and each hydraulic sensor are connected with the control unit. The system can realize the automatic control of the horizontal degree in the jacking process of the box culvert, so that the box culvert is maintained in a good horizontal state, and the system is a great progress compared with the adjustment mode of the artificial soil cushion in the prior art.

Description

Box culvert jacking elevation control system
Technical Field
The invention relates to a box culvert jacking elevation control system, and belongs to the technical field of road construction.
Background
In the jacking process of the box culvert, the box culvert is often easy to sink at the jacking front position due to the self weight of the box culvert and the softness of soil below, so that jacking difficulty and even jacking failure are caused, and great inconvenience is caused to construction work. At present, the box culvert can only be heightened by adopting a mode of filling soil in front of the box culvert, but the mode is complex in operation and has a poor effect.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a box culvert jacking elevation control system which can automatically control the soil accumulation amount at the front end of a box culvert and adjust the levelness of the box culvert.
In order to achieve the above object, the present invention provides the following technical solutions:
The utility model provides a box culvert jacking elevation control system, its includes box culvert levelness measuring device, wireless communication unit, control unit and a plurality of elevation control auxiliary, elevation control auxiliary includes the shovel body, shovel head, hydraulic control system and locates the shovel body and shovel distance sensor between the head, the shovel body includes the riser, be equipped with the connecting hole on the riser, the shovel head sets up the front end at the shovel body with articulated mode, the front end of shovel head is equipped with a plurality of forming teeth, be equipped with the jack that is used for adjusting shovel head pitch angle between shovel head and the shovel body, the jack with hydraulic control system connects, the cylinder body of jack is fixed on the shovel body, the top of jack with the shovel head is connected, box culvert levelness measuring device includes a liquid storage pot and at least three measuring body that constitutes the fluid coupling structure each other, all is equipped with a hydraulic sensor in every measuring body, hydraulic control system, distance sensor, wireless communication unit and sensor all with hydraulic control unit connect.
Optionally, the main part of the shovel body and shovel head is angle steel structure, and all is equipped with the strengthening rib between the both sides of angle steel, the riser of the shovel body is angle steel structure's vertical limit promptly, and two angle steel structures are parallel to each other and the opening direction is the same, the relief tooth sets up on the bottom edge of shovel head angle steel.
Optionally, the two sides of the angle steel structure used as the shovel body main body form an included angle of 82-88 degrees.
Optionally, the tooth surface of the relieved tooth is a slope surface of 55-65 degrees.
Optionally, the shovel head with the shovel body is isometric, and the jack in every elevation control auxiliary member is total to be two and for shovel body length direction's middleface symmetry setting, all be equipped with the dust cover outward the jack.
Optionally, box culvert levelness measuring device is closed structure, the top of liquid storage pot and measuring body is through gas piping intercommunication, the bottom of liquid storage pot and measuring body is through liquid piping intercommunication, hydraulic sensor locates the bottom of measuring body.
From the above description, the technical scheme of the invention has the following beneficial effects:
1. The invention has simple structure, lower cost and easy realization.
2. The invention can adjust the soil accumulation amount at the front end of the box culvert by adjusting the inclination angle of the shovel head, and can compact the soil accumulation below the shovel head by pressing down the shovel head. Through the soil-packing mode, the movement trend of the box culvert in the vertical direction can be adjusted, the jacking problem caused by sinking of the front end is avoided, and the box culvert is maintained in a good horizontal state.
3. The invention can realize automatic control by programming proper programs. Specifically, the box culvert levelness measuring device can sense the level state of the box culvert, the distance sensor can sense the inclination degree of the shovel head, the control unit can control the expansion and contraction of the jack in each elevation control auxiliary, change the inclination angle of the shovel head in each elevation control auxiliary, and adjust the soil accumulation amount at each elevation control auxiliary at the front end of the box culvert, so that the levelness of the whole box culvert is adjusted.
Drawings
For a more clear description of this patent, one or more of the figures are provided below.
FIG. 1 is a reference diagram of a usage status of a box culvert jacking elevation control system in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a construction of the box culvert jacking elevation control auxiliary member of FIG. 1;
FIG. 3 is a schematic diagram of a more complete construction of a box culvert jacking elevation control accessory in accordance with an embodiment of the invention;
FIG. 4 is a side view of FIG. 3;
Fig. 5 is a top view of fig. 3, in which the connection hole 110 is omitted;
FIG. 6 is a block diagram of a box culvert levelness measuring device of FIG. 1;
fig. 7 is a control schematic block diagram of a box culvert jacking elevation control system in an embodiment of the invention.
Detailed Description
In order to facilitate understanding of the technical solution of the present patent by those skilled in the art, the technical solution of the present patent is further described below in the form of specific cases.
The box culvert jacking elevation control system is applied to a box culvert 1 to be jacked, and comprises a box culvert levelness measuring device, a wireless communication unit, a control unit and a plurality of elevation control auxiliary parts 2 (only positions are shown in fig. 1, and specific structures are not shown), wherein the use state diagram of the box culvert jacking elevation control system is shown in fig. 1.
In the box culvert jacking elevation control system, the box culvert levelness measuring device comprises a liquid storage tank 32 and at least three measuring bodies 31 which form a communicating vessel structure, and a hydraulic sensor is arranged in each measuring body 31.
In the box culvert jacking elevation control system, the structure of each elevation control auxiliary is shown in fig. 2-5, each elevation control auxiliary comprises a shovel body 21, a shovel head 22, a hydraulic control system (located in a dust cover 25 and not shown) and a distance sensor 26 arranged between the shovel body 21 and the shovel head 22, the shovel body 21 comprises a vertical plate 211, a connecting hole 2110 is formed in the vertical plate 211, the shovel head 22 is arranged at the front end of the shovel body 21 in a hinged manner (the hinged manner is realized through a hinged structure 20 in the drawing), a plurality of shovel teeth 221 are arranged at the front end of the shovel head 22, a jack 23 for adjusting the pitching angle of the shovel head is arranged between the shovel head 22 and the shovel body 21, the jack 23 is connected with the hydraulic control system, a cylinder body of the jack 23 is fixed on the shovel body 21, and the top of the jack 23 is connected with the shovel head 22.
When the shovel head 2 performs pitching motion, the connection point of the jack top and the shovel head 2 inevitably rotates relative to the connection point of the jack cylinder body and the shovel body, and for this purpose, the connection modes of the jack, the shovel body and the shovel head are all designed to be hinged.
In the box culvert jacking elevation control system, the hydraulic control system, the distance sensor, the wireless communication unit and the hydraulic sensor are all connected with the control unit, and a schematic diagram of the whole control system is shown in fig. 7.
Optionally, the main part of the shovel body and shovel head is angle steel structure, and all is equipped with the strengthening rib between the both sides of the shovel body angle steel and between the both sides of shovel head angle steel, the riser of the shovel body is angle steel structure's vertical limit promptly, and two angle steel structures are parallel to each other and the opening direction is the same, the shovel tooth sets up on the bottom edge of shovel head angle steel.
Optionally, the two sides of the angle steel structure used as the shovel body main body form an included angle of 82-88 degrees. The included angle is smaller than 90 degrees, which is to reserve a soil-pad space below the shovel body.
Optionally, the tooth surface of the relieved tooth is a slope surface of 55-65 degrees.
Optionally, the shovel head is equal to the shovel body (i.e. equal to the shovel body in the transverse direction in fig. 3), and the jack in each elevation control auxiliary member is two in total and symmetrically arranged relative to the middle vertical plane of the shovel body in the length direction, and the outer part of the jack is provided with a dust cover 24.
Optionally, as shown in fig. 6, the box culvert levelness measuring device is of a closed structure, the top ends of the liquid storage tank and the measuring body are communicated through a gas pipeline, the bottom ends of the liquid storage tank and the measuring body are communicated through a liquid pipeline, and the hydraulic sensor is arranged at the bottom of the measuring body.
When the system is used, the measuring bodies of the box culvert levelness measuring device are arranged at four corners of the box culvert, meanwhile, the liquid storage tank is fixed at the position higher than the measuring bodies on the box culvert, according to the communicating vessel principle, liquid in the liquid storage tank can be distributed into each measuring body, and the hydraulic sensors in each measuring body can generate readings; in addition, the elevation control auxiliary in the system is arranged at the jacking front end of the box culvert, and screws penetrate through the connecting holes of the auxiliary to firmly fix the auxiliary and the box culvert, so that the relation between the auxiliary and the box culvert can be analogous to the relation between the bulldozer push shovel and the bulldozer body.
In the box culvert jacking process, if the reading of the hydraulic sensor changes, the deviation direction of the box culvert relative to the horizontal plane can be analyzed according to the position of the sensor and the reading change of the hydraulic sensor, the deviation direction is sent to a control person, the control person can send an instruction to a control unit, the telescopic quantity of a jack is controlled through a hydraulic control system of a corresponding auxiliary, the inclination angle of the shovel head of the auxiliary is adjusted, the soil accumulation quantity at the front end of the box culvert is adjusted, the effect of changing the movement trend of the box culvert in the vertical direction is achieved, and the deviation of the whole levelness of the box culvert is corrected.
Specifically, the control program may be designed as follows:
(1) For each accessory, a corresponding relation between the sensing signal of the distance sensor and the inclination angle of the shovel head is built in the memory in advance.
(2) The reading of each hydraulic sensor is read in real time, the inclination state (for example, four inclination states of forward inclination, backward inclination, left inclination and right inclination) of the box culvert is judged according to the reading change of the hydraulic sensor, and the inclination state is sent to an operator through a wireless communication unit (the control end can adopt a common computer, and the wireless communication unit can be a wifi or Bluetooth module).
(3) And receiving control signals sent by operators in real time, wherein the control signals are used for specifying the dip angles of shovel heads of corresponding auxiliary parts. For the control end, if the left side of the box culvert is lower, the shovel head of the left auxiliary part can be tilted, so that the soil padding amount at the left side is increased; if the right side of the box culvert is lower, the shovel head of the right side auxiliary part can be tilted, so that the soil filling amount on the right side is increased; if the front of the box culvert is lower, the shovel heads of the auxiliary parts on the left side and the right side can be tilted at the same time, so that the soil padding amount in front of the box culvert is increased; if the front of the box culvert is higher, the shovel heads of the left and right auxiliary parts can be simultaneously pressed down, so that the soil-packing quantity in front of the box culvert is reduced (at the moment, the shovel heads take the effect of shoveling soil).
(4) Judging the position relation between the current inclination angle of the shovel head and the inclination angle signal to be reached by reading the corresponding relation;
(5) According to the position relation, controlling the jack to extend, shorten or maintain the original state, and adjusting the dip angle of the shovel head; and (2) simultaneously, reading the sensing signal of the distance sensor in real time, judging the real-time inclination angle of the shovel head according to the corresponding relation in the step (1), and stopping the expansion and contraction of the jack when the inclination angle of the shovel head is consistent with the inclination angle to be reached by the inclination angle signal.
In a word, the system can monitor the inclination state of the box culvert in real time and can receive control signals of operators, so that the levelness of the box culvert is controlled, and the box culvert is maintained in a good horizontal state. The system has novel conception and ingenious design, provides a simple and efficient soil-filling mode, and is a great improvement on the prior art.
It should be noted that the above specific embodiments are only specific examples of the implementation of the present patent, and do not and cannot cover all the implementations of the present patent, and therefore should not be considered as limiting the protection scope of the present patent; all the implementation schemes belonging to the same conception with the above cases or the combination scheme of the above schemes are within the protection scope of the patent.

Claims (4)

1. A control system for box culvert jacking elevation is characterized in that: the box culvert levelness measuring device comprises a box culvert levelness measuring device, a wireless communication unit, a control unit and a plurality of elevation control auxiliary parts, wherein the elevation control auxiliary parts comprise a shovel body, a shovel head, a hydraulic control system and a distance sensor arranged between the shovel body and the shovel head, the shovel body comprises a vertical plate, a connecting hole is formed in the vertical plate, the shovel head is arranged at the front end of the shovel body in a hinging manner, a plurality of shovel teeth are arranged at the front end of the shovel head, a jack for adjusting the pitching angle of the shovel head is arranged between the shovel head and the shovel body, the jack is connected with the hydraulic control system, a cylinder body of the jack is fixed on the shovel body, a top of the jack is connected with the shovel head, the box culvert levelness measuring device comprises a liquid storage tank and at least three measuring bodies which form a communicating vessel structure, and each measuring body is internally provided with a hydraulic sensor, and the hydraulic control system, the distance sensor and the wireless communication unit are connected with the control unit;
the shovel head is equal in length to the shovel body, the number of the jacks in each elevation control auxiliary part is two, the jacks are symmetrically arranged relative to the middle vertical surface of the length direction of the shovel body, and dust covers are arranged outside the jacks;
The box culvert levelness measuring device is of a closed structure, the liquid storage tank is communicated with the top end of the measuring body through a gas pipeline, the liquid storage tank is communicated with the bottom end of the measuring body through a liquid pipeline, and the hydraulic sensor is arranged at the bottom of the measuring body.
2. The box culvert jacking elevation control system of claim 1, wherein: the shovel comprises a shovel body, a shovel head and a shovel body, wherein the shovel body and the shovel head are of angle steel structures, reinforcing ribs are arranged between two sides of the angle steel, a vertical plate of the shovel body is a vertical plate of the angle steel structures, the two angle steel structures are parallel to each other and have the same opening direction, and the shovel teeth are arranged on the bottom edge of the shovel head angle steel.
3. The box culvert jacking elevation control system of claim 2, wherein: the two sides of the angle steel structure used as the shovel body form an included angle of 82-88 degrees.
4. The box culvert jacking elevation control system of claim 1, wherein: the tooth surface of the relieved tooth is a slope surface of 55-65 degrees.
CN201810412386.5A 2018-05-03 2018-05-03 Box culvert jacking elevation control system Active CN110438913B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810412386.5A CN110438913B (en) 2018-05-03 2018-05-03 Box culvert jacking elevation control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810412386.5A CN110438913B (en) 2018-05-03 2018-05-03 Box culvert jacking elevation control system

Publications (2)

Publication Number Publication Date
CN110438913A CN110438913A (en) 2019-11-12
CN110438913B true CN110438913B (en) 2024-05-24

Family

ID=68428139

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810412386.5A Active CN110438913B (en) 2018-05-03 2018-05-03 Box culvert jacking elevation control system

Country Status (1)

Country Link
CN (1) CN110438913B (en)

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH108882A (en) * 1996-06-21 1998-01-13 Tobishima Corp Shield machine
KR20010046764A (en) * 1999-11-15 2001-06-15 문영찬 Equipment for Moving Heavy Weight Culvert
KR20030008604A (en) * 2001-07-19 2003-01-29 이윤주 Construction Method of Precast Culvert using a Rolling Means
KR20030075383A (en) * 2002-03-18 2003-09-26 (주)한빛하이테크엔지니어링 apparatus for constructing unexcavated underground tunnel for railroad traverse and method for constructing underground tunnel for railroad traverse using the same
JP2005272026A (en) * 2004-03-23 2005-10-06 Kayaba Engineering & Service Kk Jack
CN1687538A (en) * 2005-04-22 2005-10-26 上海隧道工程股份有限公司 Telescope feed type manipulator in backhoe digging, and application in tunnel shield machine and pipe pushing jack
CN101963061A (en) * 2010-10-19 2011-02-02 浙江省建工集团有限责任公司 Construction method for underground box culvert of existing railway line
CN103015333A (en) * 2012-12-12 2013-04-03 中铁二十四局集团有限公司 Guiding structure for culvert section jacking and jacking method using guiding structure
CN104775368A (en) * 2015-04-22 2015-07-15 东南大学 Prefabricated jacking box culvert provided with steel blade corners
JP2015169018A (en) * 2014-03-07 2015-09-28 大成建設株式会社 Self-posture control type submerged caisson and construction method of submerged tunnel
CN205936611U (en) * 2016-08-19 2017-02-08 中铁六局集团有限公司 Prevent subsiding top and advance box culvert
CN106567345A (en) * 2015-10-09 2017-04-19 中铁十八局集团第四工程有限公司 Jacking construction method for shallow-buried long-span oblique-crossing frame-shaped culvert of existing railway
CN106869974A (en) * 2017-03-23 2017-06-20 中交三航局第三工程有限公司 A kind of ultra-long horizontal pipe curtain jacking construction control device and method based on deviational survey
CN106894350A (en) * 2017-02-13 2017-06-27 中交隧道工程局有限公司 A kind of steel basil is buried jacking box culvert device and construction method
CN107747935A (en) * 2017-11-10 2018-03-02 福建和盛高科技产业有限公司 Gravitational settling tilt and vibration monitor and its application method
CN107782282A (en) * 2017-10-19 2018-03-09 中铁六局集团石家庄铁路建设有限公司 The point height measuring system of box culvert four and method
CN107905259A (en) * 2017-11-29 2018-04-13 浙江跃龙园林建设有限公司 Box culvert advancing monitoring device and its construction method
CN208183563U (en) * 2018-05-03 2018-12-04 河北高达电子科技有限公司 A kind of box culvert advancing elevation control system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108625302B (en) * 2018-05-11 2020-06-02 东南大学 Adjusting device for box culvert jacking longitudinal gradient and monitoring control method thereof
CN114135326B (en) * 2021-12-29 2024-11-01 上海同罡建筑工程有限公司 Construction method and construction device for jacking box culvert

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH108882A (en) * 1996-06-21 1998-01-13 Tobishima Corp Shield machine
KR20010046764A (en) * 1999-11-15 2001-06-15 문영찬 Equipment for Moving Heavy Weight Culvert
KR20030008604A (en) * 2001-07-19 2003-01-29 이윤주 Construction Method of Precast Culvert using a Rolling Means
KR20030075383A (en) * 2002-03-18 2003-09-26 (주)한빛하이테크엔지니어링 apparatus for constructing unexcavated underground tunnel for railroad traverse and method for constructing underground tunnel for railroad traverse using the same
JP2005272026A (en) * 2004-03-23 2005-10-06 Kayaba Engineering & Service Kk Jack
CN1687538A (en) * 2005-04-22 2005-10-26 上海隧道工程股份有限公司 Telescope feed type manipulator in backhoe digging, and application in tunnel shield machine and pipe pushing jack
CN101963061A (en) * 2010-10-19 2011-02-02 浙江省建工集团有限责任公司 Construction method for underground box culvert of existing railway line
CN103015333A (en) * 2012-12-12 2013-04-03 中铁二十四局集团有限公司 Guiding structure for culvert section jacking and jacking method using guiding structure
JP2015169018A (en) * 2014-03-07 2015-09-28 大成建設株式会社 Self-posture control type submerged caisson and construction method of submerged tunnel
CN104775368A (en) * 2015-04-22 2015-07-15 东南大学 Prefabricated jacking box culvert provided with steel blade corners
CN106567345A (en) * 2015-10-09 2017-04-19 中铁十八局集团第四工程有限公司 Jacking construction method for shallow-buried long-span oblique-crossing frame-shaped culvert of existing railway
CN205936611U (en) * 2016-08-19 2017-02-08 中铁六局集团有限公司 Prevent subsiding top and advance box culvert
CN106894350A (en) * 2017-02-13 2017-06-27 中交隧道工程局有限公司 A kind of steel basil is buried jacking box culvert device and construction method
CN106869974A (en) * 2017-03-23 2017-06-20 中交三航局第三工程有限公司 A kind of ultra-long horizontal pipe curtain jacking construction control device and method based on deviational survey
CN107782282A (en) * 2017-10-19 2018-03-09 中铁六局集团石家庄铁路建设有限公司 The point height measuring system of box culvert four and method
CN107747935A (en) * 2017-11-10 2018-03-02 福建和盛高科技产业有限公司 Gravitational settling tilt and vibration monitor and its application method
CN107905259A (en) * 2017-11-29 2018-04-13 浙江跃龙园林建设有限公司 Box culvert advancing monitoring device and its construction method
CN208183563U (en) * 2018-05-03 2018-12-04 河北高达电子科技有限公司 A kind of box culvert advancing elevation control system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
框构桥箱涵顶进中的调向问题;唐恽琦;唐伟程;;建筑与预算;20180430(第04期);67-72 *
涂兵.桥梁工程.西南交通大学出版社,2010,227. *
田子勤等.水轮机检修.中国电力出版社,2004,76. *

Also Published As

Publication number Publication date
CN110438913A (en) 2019-11-12

Similar Documents

Publication Publication Date Title
CN101117809A (en) Leveler intelligent leveling system and its method
US20150275469A1 (en) Lift Arm and Coupler Control System
CN110438913B (en) Box culvert jacking elevation control system
JP5248361B2 (en) Pile driver stability measuring apparatus and method
CN107352250A (en) Self-leveling type belt self-movable foot end and belt self-movable foot end self-leveling method
CN208183563U (en) A kind of box culvert advancing elevation control system
CN211341907U (en) Civil engineering construction support
CN208533356U (en) Chamber type bearing pad stone template
CN207622667U (en) Gap measuring apparatus
CN207209320U (en) Self-leveling type belt self-movable foot end
US4613256A (en) Supporting frame
CN204876567U (en) Building templates's adjusting device
CN211314231U (en) Adjustable tunnel trolley template
CN101750052B (en) Laser level leveling device
CN103015333B (en) Guiding structure for culvert section jacking and jacking method using guiding structure
CN208183850U (en) A kind of high process control auxiliary of box culvert advancing
CN116332061A (en) High-strength steel welded pipe for crane boom
CN214119494U (en) Measuring device before one-level municipal engineering construction
US20220349148A1 (en) Tilt bucket
CN205421009U (en) Girder steel special use is increaseed and is turned down support
CN210288545U (en) Excavator counter weight structure
CN203261663U (en) Laser receiver and laser land leveler with same
KR102189583B1 (en) A method of levelling control for caisson slipform using 2 axes electronics inclinometer
CN210343356U (en) Working platform, platform arm and drill jumbo
US9297143B2 (en) Construction machine with manually-operated unit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20240219

Address after: No. 136 Jingzan Line, Luquan District, Shijiazhuang City, Hebei Province, 050221

Applicant after: Hebei GAODA Intelligent Equipment Co.,Ltd.

Country or region after: China

Address before: Building 12, Hebei (Fujian) Small and Medium sized Enterprise Science and Technology Park, No. 580 Shitong Road, Luquan District, Shijiazhuang City, Hebei Province, 050000

Applicant before: HEBEI GAODA TECHNOLOGIES Co.,Ltd.

Country or region before: China

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant