CN101851924B - Convenient rapid supporting loading and unloading mechanism and supporting loading and unloading method - Google Patents
Convenient rapid supporting loading and unloading mechanism and supporting loading and unloading method Download PDFInfo
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- CN101851924B CN101851924B CN2010101438369A CN201010143836A CN101851924B CN 101851924 B CN101851924 B CN 101851924B CN 2010101438369 A CN2010101438369 A CN 2010101438369A CN 201010143836 A CN201010143836 A CN 201010143836A CN 101851924 B CN101851924 B CN 101851924B
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Abstract
The invention discloses a convenient rapid supporting loading and unloading mechanism and a supporting loading and unloading method. The supporting loading and unloading mechanism comprises a hydraulic oil cylinder, an oil cylinder piston rod and a steel supporting sleeve, wherein the hydraulic oil cylinder is provided with an oil inlet pipe orifice and an oil return pipe orifice, the hydraulic oil cylinder with a built-in distance sensor and a pressure sensor is fixed inside the steel supporting sleeve, and the oil inlet pipe orifice and the oil return pipe orifice of the hydraulic oil cylinder are installed at the outer side of the steel supporting sleeve. A movable control plate is connected with an industrial personal computer in a cabled way or a wireless way, when in supporting installation; and workers under the foundation pit can control the supporting loading and unloading mechanism to perform different actions and to display the supporting pressure and relevant information through the movable control plate. Therefore, a complete supporting loading and unloading mechanism system can be formed. The supporting loading and unloading mechanism can conveniently and rapidly realize the loading and the unloading construction of the steel support, has the advantages of high construction efficiency, time and labor conservation, safety and reliability, and can be conveniently installed on the present steel support.
Description
Technical field
The invention belongs to building engineering field, relate to steel and support, relate in particular to a kind of loading, feel trim actuator that supports prestressing force and remove the steel support that can be used for applying.
Background technology
The foundation pit construction of underground structrue engineering all need adopt steel to support when excavation pit to avoid cheating wall and cave in; Mostly existing steel supporting base end portion joint is that generally active head adds the form of gad; The jack pair steel support brace pre axial force of slinging special-purpose with crane earlier during use, and then insert the gad power transmission.When needs are removed the steel support; At first to use crane the jack of special use to be placed in the active head place of steel supporting base end portion; And then pass through hydraulic oil pump and give special-purpose jack pressurization, make that the foundation pit enclosure structure generation is a certain amount of to outer displacement, treat originally to insert the loosening back taking-up of the gad appearance gad that steel supports the termination; With the jack release and remove, last crane hangs away the steel of being removed and supports again.Yet in real world applications; This steel supports and also exposes the shortcoming that it is difficult to overcome: this is supported in the installation process; Apply prestressing force process need crane and 2 loading jack and cooperate, exist pressurization value not have data acquiring and recording, pressurization value to rely on operating personnel's experience and sense of responsibility control, problem such as construction technology is more and the time is long; In addition, in demolishing process, remove difficulty, even problem such as occur to remove because the long-term stress deformation of gad causes; Also have, along with the excavation and the distortion of foundation ditch, part supports and the decay of axle power can occur, even supports failure phenomenon; Although the job site can adopt secondary to be added with the measure of a power, on-the-spot secondary is added with a power construction has a lot of difficulties, can not be from addressing this problem in essence; Moreover steel supports to install and remove all needs crane and operator to cooperatively interact, and process is complicated and dangerous, thereby has time-consuming shortcoming.
Summary of the invention
The present invention is directed to the deficiency and the defective of prior art, researched and developed a kind of supporting loading, feel trim actuator.During construction, the loading that can carry out axial force of the supports as required easily is added with axle power, to reach easy, Fast Installation support, improves efficiency of construction, reduces the purpose of foundation pit deformation; In addition, the unloading that can also support easily, dismounting.
The present invention realizes through following technical scheme; A kind of supporting loading, feel trim actuator comprise: hydraulic jack, oil cylinder piston bar; The steel support set; Hydraulic jack is provided with the oil-feed mouth of pipe and the oil return mouth of pipe, and the hydraulic jack of built-in stroke sensor and pressure sensor is fixed in the steel support set, the oil-feed mouth of pipe of hydraulic jack and the oil return mouth of pipe be fixed on the steel support set outside.
Further, this steel support set is provided with front end flange and back end flanges, is respectively arranged with connecting hole on front end flange and the back end flanges.
Also comprise: the hydraulic oil pipe of power station links to each other with the oil return mouth of pipe with the oil-feed mouth of pipe on being reserved in supporting loading, feel trim actuator; Moving control panel or Industrial Personal Computer (IPC) pressurizes or unloading to hydraulic jack through control cable control power station; In the steel support set axial force sensor is installed, it feeds back to Industrial Personal Computer (IPC) and monitors through the axle force data that cable and Industrial Personal Computer (IPC) will support in the use.
Should move being connected between control panel and the Industrial Personal Computer (IPC) is that wired or wireless mode connects.
Above-mentioned supporting loading, the supporting loading of feel trim actuator, discharging method comprise:
1) end construction and the support and connection of standard paragraphs steel supporting loading, the feel trim actuator steel flange through the two ends front end supported with existing active section steel respectively with bolt; Flange through the rear end is with bolt and the support and connection of prior standard section steel;
2) through the connector that is installed in oil cylinder piston bar front end the oil cylinder piston bar is linked to each other with the existing afterbody that supports active head;
3) treat whole support splicing and accomplish after, steel supported hanging the position of supporting to needs;
4) wait to support hang put in place after, prepare to support prestressing force and load, the hydraulic oil pipe of power station is linked to each other with the oil return mouth of pipe with the oil-feed mouth of pipe on being reserved in supporting loading, feel trim actuator;
5) adopt mobile control panel or Industrial Personal Computer (IPC) to begin the hydraulic jack pressurization through control cable control power station, the oil cylinder piston bar promotes the active head of former support through connector under pressure and stretches out;
6) after active head was run into foundation pit enclosure structure, the axle power of whole support can increase under the effect of hydraulic jack gradually, and when pressure reached design axle power, power station kept this pressure;
7) in the slotted eye of original active cephalic par structure, insert gad;
8) treat that gad installs after, again through moving control panel or Industrial Personal Computer (IPC) control power station, and then accomplish steel supporting loading process by cylinder piston rod release and trace retraction;
9) adopt similar mode to carry out the loading installation that next root steel supports after the steel supporting loading is accomplished;
10) when support needs unloading to remove, at first the hydraulic oil pipe of power station is linked to each other with the oil return mouth of pipe with the oil-feed mouth of pipe on being reserved in supporting loading, feel trim actuator;
11) begin hydraulic jack is pressurizeed through moving control panel or Industrial Personal Computer (IPC) control power station;
12) the oil cylinder piston bar promotes the active head of former support through connector under pressure, and when the axle power that supports was enough big, becoming flexible can appear in the gad that is inserted in active slotted eye of original support;
13) the gad block-by-block is taken out, make the oil cylinder piston bar together with active first the retraction of original support through moving control panel or Industrial Personal Computer (IPC) control power station then;
14) treat that active head retraction puts in place after, unload oil pipe, remove steel and support and get final product.
Further; Supporting loading and, in the uninstall process; The stroke sensor of hydraulic jack and pressure sensor are in real time, dynamically displacement and the oil cylinder working-pressure data with the oil cylinder piston bar feed back to Industrial Personal Computer (IPC), thereby realize quantitative, the controlled purpose in supporting loading, the uninstall process.
When the supporting loading completion is in user mode; The real-time axle force data that will support in the use through axial force sensor feeds back to industrial computer through wired or wireless mode, and industrial computer carries out axial force of the supports overload or Failure Alarm based on the warning value of prior setting.
The objective of the invention is to realize steel supporting loading and unloading operation easily and efficiently.Its operating principle is between existing active section steel supporting base end portion structure and the support of standard paragraphs steel, one section supporting loading, feel trim actuator to be installed.This in-house hydraulic jack that has stroke sensor and pressure sensor that is mounted with is reserved with the hydraulic oil oil-feed mouth of pipe and the oil return mouth of pipe in this mechanism.Support is connected through bolt with the standard paragraphs steel with active section steel supporting base end portion structure respectively with supporting loading, feel trim actuator section two ends during use.And the connector through being installed in oil cylinder piston bar front end supports the oil cylinder piston bar active portion end to end and links to each other with existing.
When support needs to load; With the hydraulic oil pipe of power station be reserved in supporting loading, feel trim actuator on advance, the oil return mouth of pipe links to each other; Begin the hydraulic jack pressurization by the pressurization value of setting through Industrial Personal Computer (IPC) or mobile control panel control power station, the oil cylinder piston bar promotes the active head of former support through connector under pressure and stretches out, after active head is run into foundation pit enclosure structure; The axle power of whole support can increase under the effect of hydraulic jack gradually; When pressure reached design axle power, power station kept this pressure automatically, in original active cephalic par structure slotted eye, squeezes into gad then.Treat to control power station by the oil cylinder release through Industrial Personal Computer (IPC) again after gad installs, remove oil pipe.Release of oil cylinder piston bar and trace retraction.
When support needs unloading to remove, adopt and carry out with mode like the loading classes.With the hydraulic oil pipe of power station be reserved in supporting loading, feel trim actuator on advance, the oil return mouth of pipe links to each other; Begin hydraulic jack is pressurizeed through Industrial Personal Computer (IPC) or mobile control panel control power station; The oil cylinder piston bar promotes the active head of former support through connector under pressure; When the axle power that supports is enough big; Becoming flexible can appear in the gad that is inserted in original active cephalic par structure slotted eye, and the gad block-by-block is taken out, and makes the oil cylinder piston bar together with active first the retraction of original support through Industrial Personal Computer (IPC) control power station then.After active head retraction puts in place, unload oil pipe, remove the steel support and get final product.
In addition; Supporting loading and, in the uninstall process; The hydraulic jack of built-in stroke sensor and pressure sensor can real-time and dynamic feeds back to Industrial Personal Computer (IPC) with the displacement and the oil cylinder working-pressure data of oil cylinder piston bar, thereby realizes quantitative, the controlled purpose in supporting loading, the uninstall process.When the supporting loading completion is in user mode; Being installed in in-house axial force sensor can feed back to industrial computer through wired or wireless mode with the real-time axle force data that supports in the use, and industrial computer can carry out axial force of the supports overload or Failure Alarm based on the warning value of prior setting.
Technical problem to be solved by this invention is the defective that overcomes existing steel supporting loading process trouble, unloading dismounting difficulty; Provide a kind of easy and simple to handle; Conveniently steel supporting loading, feel trim actuator; It loads, uninstall process is little to the disturbance on foundation pit enclosure structure and peripheral stratum, has advantage convenient, fast, that saving is artificial, safe and reliable and efficiency of construction is high.
Different with existing steel supporting loading, unloading manner is, the present invention has used the principle of hydraulic pressure, supports self active header structure in conjunction with existing steel and carries out supporting loading, unloading construction.The present invention has following advantage:
1. the present invention has realized supporting and has loaded easily and fast, unloads, and can require to carry out controlled support prestressing force according to supported design and load simple and safe operation.
The present invention can effective simplification steel supporting loading, the unloading work progress, shorten steel and support the engineering time, improve foundation ditch integral construction efficient.
3. the present invention can realize automatic monitoring and the warning function for axial force of the supports, can effectively support result of use for foundation ditch and observe, and avoids supporting the generation of overload or failure accidents.
4. the present invention does not change present steel and supports original structure, only needs on existing steel support structure, add abridged edition invention mechanism and just can realize supporting loading and unloading construction easily and efficiently.
5. delicate structure of the present invention is reliable, easy to install, and cost is lower, and can reuse.
Description of drawings
Fig. 1 is the composition sketch map (part section) of supporting loading of the present invention, feel trim actuator.
Fig. 2 is a kind of enforcement principle schematic of the present invention.
The specific embodiment
Now in conjunction with the accompanying drawings and embodiments invention is described in further detail.
See also Fig. 1 and Fig. 2.Traditional steel supports by steel supporting base end portion structure 6 and active 5 of support and standard paragraphs support 9 to be formed.
Supporting loading of the present invention, feel trim actuator; Comprise: hydraulic jack 1; Oil cylinder piston bar 2, steel support set 3, hydraulic jack 1 are provided with the oil-feed mouth of pipe 11 and the oil return mouth of pipe 12; Steel support set 3 is provided with front end steel flange 31 and rear end steel flange 32, is respectively arranged with connecting hole 311,321 etc. on front end steel flange 31 and the rear end steel flange 32.
The hydraulic jack 1 of built-in stroke sensor and pressure sensor (not drawing among the figure) is fixed in the steel support set 3, and the oil-feed mouth of pipe 11 of hydraulic jack 1 is with the oil return mouth of pipe 12 and be fixed on steel support set 3 outsides.
Also comprise: the hydraulic oil pipe 41 of power station 40 links to each other with the oil return mouth of pipe 12 with the oil-feed mouth of pipe 11 on being reserved in supporting loading, feel trim actuator; Move control panel 55 or Industrial Personal Computer (IPC) 50 through 1 pressurization of 40 pairs of hydraulic jacks of control cable 51 control power stations; Also be provided with axial force sensor 53 in the steel support set 3, axial force sensor 53 is connected with Industrial Personal Computer (IPC) 50 through cable 52, can the axial force of the supports data that support in the use be fed back to Industrial Personal Computer (IPC) 50.
Practical implementation step of the present invention comprises:
1) supporting loading, feel trim actuator are connected with the end of existing active section steel support 6 respectively through the steel flange 31 usefulness bolts 71 of front end; Steel flange 32 usefulness bolts 72 through the rear end are connected with prior standard section steel support 9;
2) through the connector 4 that is installed in oil cylinder piston bar 2 front ends oil cylinder piston bar 2 is linked to each other with the existing afterbody that supports active 5;
3) treat whole support splicing and accomplish after, steel supported hanging the position of supporting to needs;
4) wait to support hang put in place after, prepare to support prestressing force and load, at first the hydraulic oil pipe 41 of power station 40 is linked to each other with the oil return mouth of pipe 12 with the oil-feed mouth of pipe 11 on being reserved in supporting loading, feel trim actuator;
5) adopt mobile control panel 55 or Industrial Personal Computer (IPC) 50 to begin hydraulic jack 1 pressurization through control cable 51 control power stations 40, oil cylinder piston bar 2 promotes active 5 of former support through connector 4 under pressure and stretches out;
6) when active 5 run into foundation pit enclosure structure 20 after, the axle power of whole support can increase under the effect of hydraulic jack 1 gradually, when pressure reached design axle power, power station 40 kept these pressure;
7) in the slotted eye of original active cephalic par structure 5, insert gad 8 then;
8) treat that gad 8 installs after, let cylinder piston rod 2 releases and trace retraction through moving control panel 55 or Industrial Personal Computer (IPC) 50 control power stations 40 again, and then accomplish steel supporting loading process;
9) adopt similar mode to carry out the loading installation that next root steel supports after the steel supporting loading is accomplished; Mounted steel supports the axle force data that will support in the use through axle power meter 53 and feeds back to industrial computer 50, and industrial computer 50 can carry out axial force of the supports overload or Failure Alarm based on the warning value of prior setting;
10) when support needs unloading to remove, adopt and carry out: at first the hydraulic oil pipe 41 of power station 40 is linked to each other with the oil return mouth of pipe 12 with the oil-feed mouth of pipe 11 on being reserved in supporting loading, feel trim actuator with mode like the loading classes;
11) begin hydraulic jack 1 pressurization through mobile control panel 55 or Industrial Personal Computer (IPC) 50 control power stations 40;
12) oil cylinder piston bar 2 promotes active 5 of former support through connector 4 under pressure, and when the axle power that supports was enough big, the gad 8 that is inserted in active 5 slotted eye of original support can occur loosening;
13) gad 8 block-by-blocks are taken out, make oil cylinder piston bar 2 together with active 5 retraction of original support through mobile control panel 55 or Industrial Personal Computer (IPC) 50 control power stations 40 then;
14) treat that active 5 retraction puts in place after, unload oil pipe 41, remove steel and support and to get final product.
Supporting loading and, in the uninstall process; The hydraulic jack 1 of built-in stroke sensor and pressure sensor can real-time and dynamic feeds back to the displacement of oil cylinder piston bar 2 and oil cylinder working-pressure data and moves control panel 55 or Industrial Personal Computer (IPC) 50, thereby realizes quantitative, the controlled purpose in supporting loading, the uninstall process.
The above-mentioned description to embodiment is can understand and use the present invention for ease of the those of ordinary skill of this technical field.The personnel of skilled obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (4)
1. a supporting loading, feel trim actuator; It is characterized in that: comprising: hydraulic jack; Oil cylinder piston bar, steel support set, hydraulic jack are provided with the oil-feed mouth of pipe and the oil return mouth of pipe; The hydraulic jack of built-in stroke sensor and pressure sensor is fixed in the steel support set, and the oil-feed mouth of pipe of hydraulic jack and the oil return mouth of pipe are fixed on the steel support set outside;
This steel support set is provided with front end flange and back end flanges, is respectively arranged with connecting hole on front end flange and the back end flanges;
Also comprise: the hydraulic oil pipe of power station links to each other with the oil return mouth of pipe with the oil-feed mouth of pipe on being reserved in supporting loading, feel trim actuator; Moving control panel or Industrial Personal Computer (IPC) pressurizes or unloading to hydraulic jack through control cable control power station; In the steel support set axial force sensor is installed, it is connected the axle force data that will support in the use through cable and feeds back to Industrial Personal Computer (IPC) and monitor with Industrial Personal Computer (IPC);
Should move being connected between control panel and the Industrial Personal Computer (IPC) is that wired or wireless mode connects.
2. the described supporting loading of claim 1, the supporting loading of feel trim actuator, discharging method is characterized in that:
Comprise:
1) end construction and the support and connection of standard paragraphs steel supporting loading, the feel trim actuator steel flange through the front end at two ends supported with existing active section steel respectively with bolt; Flange through the rear end is with bolt and the support and connection of prior standard section steel;
2) through the connector that is installed in oil cylinder piston bar front end the oil cylinder piston bar is linked to each other with the existing afterbody that supports active head;
3) treat whole support splicing and accomplish after, steel supported hanging the position of supporting to needs;
4) wait to support hang put in place after, prepare to support prestressing force and load, the hydraulic oil pipe of power station is linked to each other with the oil return mouth of pipe with the oil-feed mouth of pipe on being reserved in supporting loading, feel trim actuator;
5) adopt mobile control panel or Industrial Personal Computer (IPC) to begin the hydraulic jack pressurization through controlling cable control power station, the oil cylinder piston bar promotes to have now the active head of support through connector under pressure and stretches out;
6) after active head was run into foundation pit enclosure structure, the axle power of whole support can increase under the effect of hydraulic jack gradually, and when pressure reached design axle power, power station kept this pressure;
7) in the slotted eye of the active cephalic par structure of existing support, insert gad;
8) treat that gad installs after, again through moving control panel or Industrial Personal Computer (IPC) control power station, and then accomplish steel supporting loading process by cylinder piston rod release and trace retraction;
9) adopt similar mode to carry out the loading installation that next root steel supports after the steel supporting loading is accomplished;
10) when support needs unloading to remove, at first the hydraulic oil pipe of power station is linked to each other with the oil return mouth of pipe with the oil-feed mouth of pipe on being reserved in supporting loading, feel trim actuator;
11) begin hydraulic jack is pressurizeed through moving control panel or Industrial Personal Computer (IPC) control power station;
12) the oil cylinder piston bar promotes the existing active head that supports through connector under pressure, when the axle power that supports is enough big, is inserted in the existing gad that supports in active the slotted eye and can occurs becoming flexible;
13) the gad block-by-block is taken out, make the oil cylinder piston bar together with active first the retraction of existing support through moving control panel or Industrial Personal Computer (IPC) control power station then;
14) treat that active head retraction puts in place after, unload oil pipe, remove steel and support and get final product.
3. method according to claim 2 is characterized in that:
Supporting loading and, in the uninstall process; The stroke sensor of hydraulic jack and pressure sensor are in real time, dynamically displacement and the oil cylinder working-pressure data with the oil cylinder piston bar feed back to Industrial Personal Computer (IPC), thereby realize quantitative, the controlled purpose in supporting loading, the uninstall process.
4. method according to claim 2; It is characterized in that: when the supporting loading completion is in user mode; The real-time axle force data that will support in the use through axial force sensor feeds back to Industrial Personal Computer (IPC) through wired or wireless mode, and Industrial Personal Computer (IPC) carries out axial force of the supports overload or Failure Alarm according to the warning value of setting in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101438369A CN101851924B (en) | 2010-04-09 | 2010-04-09 | Convenient rapid supporting loading and unloading mechanism and supporting loading and unloading method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101438369A CN101851924B (en) | 2010-04-09 | 2010-04-09 | Convenient rapid supporting loading and unloading mechanism and supporting loading and unloading method |
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| Publication Number | Publication Date |
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| CN101851924A CN101851924A (en) | 2010-10-06 |
| CN101851924B true CN101851924B (en) | 2012-11-07 |
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| CN2010101438369A Expired - Fee Related CN101851924B (en) | 2010-04-09 | 2010-04-09 | Convenient rapid supporting loading and unloading mechanism and supporting loading and unloading method |
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| CN103924600B (en) * | 2014-04-24 | 2016-06-08 | 上海隧道工程有限公司 | Gad block in excavation of foundation pit bracing members unloads facility and discharging method |
| CN106284367A (en) * | 2015-05-29 | 2017-01-04 | 上海城地建设股份有限公司 | A kind of foundation pit supporting construction using scalable prestress steel to support |
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| CN106013271A (en) * | 2016-06-26 | 2016-10-12 | 中建三局集团有限公司 | Steel support axial force monitoring system capable of applying prestressing force |
| CN108677965B (en) * | 2018-05-25 | 2020-05-12 | 云南建投基础工程有限责任公司 | Adjustable pressurizing device for assembled steel support of foundation pit and using method of adjustable pressurizing device |
| CN109708953B (en) * | 2019-01-31 | 2021-06-22 | 河南城建学院 | Pressure-relief-window-adjustable triaxial-loading sample cylinder and experimental method thereof |
| CN110565621A (en) * | 2019-08-06 | 2019-12-13 | 天津城建大学 | Be applied to collection drainage blind pipe of slope prevention of seepage |
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| CN111997411B (en) * | 2020-07-15 | 2022-10-11 | 中建三局第一建设工程有限责任公司 | Cantilever plate supporting method |
| CN114482068A (en) * | 2022-01-27 | 2022-05-13 | 厦门安捷建筑工程有限公司 | Self-locking type combined unloading device for foundation pit steel supporting system |
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| CN101851924A (en) | 2010-10-06 |
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