CN103879918A - Integrated type double-self-locking intelligent informatization steel support and loading and detaching method thereof - Google Patents

Integrated type double-self-locking intelligent informatization steel support and loading and detaching method thereof Download PDF

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Publication number
CN103879918A
CN103879918A CN201410091092.9A CN201410091092A CN103879918A CN 103879918 A CN103879918 A CN 103879918A CN 201410091092 A CN201410091092 A CN 201410091092A CN 103879918 A CN103879918 A CN 103879918A
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oil cylinder
self
cylindrical shell
main stress
support
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CN103879918B (en
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庄筱凤
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庄筱凤
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Abstract

The invention discloses an integrated type double-self-locking intelligent informatization steel support and a loading and detaching method thereof. An oil cylinder is arranged in a first end of a cylinder body, an oil pressure sensor, a displacement sensor and a hydraulic lock are arranged on the oil cylinder, an opening is formed in a second end of the cylinder body, a middle main stress plate is axially arranged in the opening, the two sides of the middle main stress plate and the inner wall of the cylindrical opening are integrally welded, first ends of supporting rods at an adjustable end are connected with connecting plates respectively, the connecting plates are connected with the oil cylinder, second ends of the supporting rods clamp force bearing plates respectively, supporting sliding shoes are connected with the force bearing plates through bolts, the supporting rods clamp the middle main stress plate respectively, and the force bearing plates are aligned with the middle main stress plate. Along with loading extending of the oil cylinder, the supporting sliding shoes extend to the outer portion of the cylinder body in the extending direction of the middle main stress plate, a steel wedge is detachably inserted and supported between the middle main stress plate and the force bearing plates, and along with unloading retracting of the oil cylinder, the supporting sliding shoes retracts to the cylinder body in the extending direction of the middle main stress plate.

Description

The two self-locking intelligent information steel supports of a kind of integral type and loading thereof, method for dismounting
Technical field
The present invention relates to building field, particularly the two self-locking intelligent information steel supports of a kind of integral type and loading thereof, method for dismounting.
Background technology
It is the transom tilting that steel supports general run of thins, and modal is chevron pointing and cross shaped head, and section form can be steel pipe, H shaped steel, angle steel etc., and effect is the stability that strengthens structure.Mentioning the round steel that tie rod generally refers to drawknot purlin, is exactly plainly bar reinforcement, is also the stability in order to strengthen purlin, makes purlin be not easy unstable failure under certain External Force Acting.The section form of purlin generally has H shaped steel, C shape, Z-shaped etc., and effect is to reduce the span of roof boarding fixing roof boarding.
The foundation pit construction of underground structrue engineering all needs to adopt steel to support to avoid cheating wall to cave in the time of excavation pit, existing steel supporting base end portion joint mostly generally is the form that segmented head adds gad, the jack pair steel of first slinging special with crane when use supports brace pre axial force, and then inserts gad power transmission.In the time that needs are removed steel support, first to use crane special jack to be placed in to the segmented head place of steel supporting base end portion, and then pressurize to Special jack by hydraulic oil pump, foundation pit enclosure structure is produced a certain amount of to outer displacement, after becoming flexible appears in the gad that originally inserts steel support termination, take out gad, by jack release and remove, last crane hangs away the steel of removing and supports again.But in real world applications, this steel supports and also exposes the shortcoming that it is difficult to overcome: this is supported in installation process, apply prestress process need crane and 2 and load jacks and coordinate, exist pressurization value not have data acquiring and recording, pressurization value to rely on the problems such as more and time of the experience of operating personal and sense of responsibility control, construction technology is long; In addition, in demolishing process, remove difficulty because the long-term stress deformation of gad causes, even occur the problem such as cannot remove; Further, along with excavation and the distortion of foundation ditch, part supports and there will be the decay of axle power, even supports the phenomenon losing efficacy; Although camp site can adopt secondary to be added with the measure of axle power, on-the-spot secondary is added with the construction of axle power a lot of difficulties, can not be from addressing this problem in essence; Moreover steel supports installation and removal all needs crane and operator to cooperatively interact, process is complicated and dangerous, thereby has time-consuming shortcoming.
Patent publication No. CN101463606A shores formula segmented head after disclosing one, and it comprises: a hydraulic pressure body; One is axially disposed within the hydraulic jack in hydraulic pressure body, and it comprises the petrol storage tank that is fixedly connected with and can be with respect to the axially movable piston of petrol storage tank, and one end of this piston is arranged in petrol storage tank, and the other end of this piston is fixedly connected with a bulb; One fixing body; One movable body, it comprises the movable end flange that be arranged in parallel and the ball seat with bulb form fit, and between this movable end flange and ball seat axially extended two strut bars; One for being packed in the load gag between fixing body and movable end flange; One is connected to the first hydraulic pressure transducer of petrol storage tank; And second hydraulic pressure transducer that is connected to hydraulic compressor sleeve or fixed muffle.
Patent publication No. CN203144059U shores formula segmented head after disclosing one, and it comprises: a hydraulic pressure body; One is axially disposed within the hydraulic jack in hydraulic pressure body, and it comprises the petrol storage tank that is fixedly connected with and can be with respect to the axially movable piston of petrol storage tank, and one end of this piston is arranged in petrol storage tank, and the other end of this piston is fixedly connected with a bulb; One fixing body; One movable body, it comprises the movable end flange that be arranged in parallel and the ball seat with bulb form fit, and between this movable end flange and ball seat axially extended two strut bars; One for being packed in the load gag between fixing body and movable end flange; One is connected to the first hydraulic pressure transducer of petrol storage tank; And second hydraulic pressure transducer that is connected to hydraulic compressor sleeve or fixed muffle.
But existing steel supporting base end portion structure also exists multinomial defect and deficiency, in view of this, those skilled in the art, for the problems referred to above, provide the two self-locking intelligent information steel of a kind of integral type of only planar rotating to support.
Summary of the invention
The invention provides the two self-locking intelligent information steel supports of a kind of integral type and loading thereof, method for dismounting, overcome the difficulty of prior art, adopt and control and monitoring integration, machinery is integrated with hydraulic pressure, with machinery+Hydraulic Double self-locking pattern and with the information-based steel supporting base end portion of the integral and intelligent of oil pressure and real-time displacement monitoring function structure.In use, can be as required, loading and the axle power of carrying out easily axial force of the supports are added with, and to reach easy, Fast Installation support, improve operating efficiency, reduce the object of foundation pit deformation.
The present invention adopts following technical scheme:
The invention provides the two self-locking intelligent information steel of a kind of integral type and support, comprise cylindrical shell, movable end, oil cylinder and gad, the inside of the first end of described cylindrical shell is provided with described oil cylinder, described oil cylinder is provided with oil pressure sensor, displacement pickup and hydraulic lock, the second end of described cylindrical shell is provided with an opening, in the middle of one, main stress plate is axially disposed within described opening, and the both sides of main stress plate and the welding of described cylindrical openings inwall one in the middle of described, described movable end comprises support piston shoes, connecting panel, bolt, some strut bars and force bearing plate, the first end of described strut bar connects respectively described connecting panel, described connecting panel connects described oil cylinder, the second end of described strut bar clamps respectively described force bearing plate, described support piston shoes connect described force bearing plate by described bolt, and described strut bar clamps respectively described middle main stress plate, main stress plate in the middle of described force bearing plate alignment is described,
Load and extend with described oil cylinder, described support piston shoes extend to the outside of described cylindrical shell along the extension direction of described middle main stress plate, and described gad removably inserts and is supported between described middle main stress plate and described force bearing plate;
With the unloading retraction of described oil cylinder, the retraction of described support piston shoes along the extension direction of main stress plate in the middle of described to described cylindrical shell.
Preferably, the outer wall of described cylindrical shell is provided with aperture, and the outer wall of described oil cylinder is provided with turnover tubing interface, and described aperture is communicated to described tubing interface.
Preferably, the first end of described oil cylinder is provided with oil cylinder piston shoes, the connecting panel of movable end described in the clamping of described oil cylinder piston shoes.
Preferably, described oil cylinder is also provided with a pipe link, and one end of described pipe link connects described oil cylinder piston shoes, and the other end connects described displacement pickup.
Preferably, the second end of described cylindrical shell is provided with a hollow flange plate, and described hollow flange plate is provided with some bolts hole, and the bottom of described oil cylinder is provided with a cylinder flange plate, between described hollow flange plate and described cylinder flange plate, is spirally connected by bolt and screw.
The present invention also provides a kind of integral type loading method that two self-locking intelligent information steel support, and comprises the following steps:
(1) the turnover oil pipe that connects external hydraulic station by aperture reserved on cylindrical shell is to passing in and out tubing interface and pressure, displacement data line to oil pressure sensor and displacement pickup;
(2) oil cylinder loads and extends, and promotes the connecting panel of movable end rear end by the oil cylinder piston shoes of oil cylinder front end, and movable end is extended;
(3) oil cylinder loads when elongation, oil pressure sensor and displacement pickup Real-Time Monitoring axial force of the supports and displacement data;
(4) when axial force of the supports or displacement reach after design value, external hydraulic station stops oil cylinder loading, and hydraulic lock self-locking, guarantees that oil cylinder internal pressure is still in design value; And
(5) gad is inserted to the space between movable end and cylindrical shell, complete supporting loading operation.
The present invention also provides a kind of integral type method for dismounting that two self-locking intelligent information steel support, and comprises the following steps:
(1) first remove the gad inserting between movable end and cylindrical shell;
(2) again by external hydraulic station unloading retraction oil cylinder, hydraulic lock is removed self-locking under the effect of outside Hydraulic Station, and oil circuit is opened, oil cylinder unloading retraction;
(3), when oil cylinder unloading bounces back, by the socket joint link mechanism between the oil cylinder piston shoes of oil cylinder front end and the connecting panel of movable end rear end, pull together movable end retraction;
(4) when oil cylinder unloading bounces back, oil pressure sensor and displacement pickup Real-Time Monitoring axial force of the supports and displacement data;
(5) when axial force of the supports or displacement reach after design value, external hydraulic station stops oil cylinder unloading, and hydraulic lock self-locking, guarantees that oil cylinder internal pressure is still in design value; And
(6) gad is inserted to the space between movable end and cylindrical shell, complete support unloading operation.
Owing to having used above technology, the present invention entirety adopts to be controlled and monitoring integration, and machinery is integrated with hydraulic pressure, with machinery+Hydraulic Double self-locking pattern and with the information-based steel supporting base end portion of the integral and intelligent structure of oil pressure and real-time displacement monitoring function.In use, can be as required, loading and the axle power of carrying out easily axial force of the supports are added with, and to reach easy, Fast Installation support, improve operating efficiency, reduce the object of foundation pit deformation.The present invention carries mechanical type self-locking mechanism and hydraulic pressure self-locking device, has realized the reliable self-locking system of machinery, Hydraulic Double self-locking, avoids due to single self-locking the lost efficacy destruction and the engineering accident that cause.In addition, can rely on the pressure sensor and the displacement pickup that in the present invention, carry, coordinate corresponding servo monitoring system, can realize real-time dynamic monitoring and intelligent automation control to steel axial force of the supports and distortion.
Further illustrate the present invention below in conjunction with drawings and Examples.
Brief description of the drawings
Fig. 1 is the section-drawing that the two self-locking intelligent information steel of integral type of the present invention support;
Fig. 2 is the diagram of circuit of the loading method of the two self-locking intelligent information steel supports of integral type of the present invention; And
Fig. 3 is the diagram of circuit of the method for dismounting of the two self-locking intelligent information steel supports of integral type of the present invention.
reference numeral
1 cylindrical shell
Main stress plate in the middle of 11
12 hollow flange plates
13 bolts hole
14 apertures
2 movable ends
21 support piston shoes
22 connecting panels
23 bolts
24 strut bars
25 force bearing plates
3 oil cylinders
31 oil cylinder piston shoes
32 cylinder flange plates
33 oil pressure sensors
34 displacement pickups
35 hydraulic lock
36 turnover tubing interfaces
37 bolts
38 screws
39 pipe links
4 gads
Detailed description of the invention
Introduce a kind of specific embodiment of the present invention below by Fig. 1 to 3
Fig. 1 is the section-drawing that the two self-locking intelligent information steel of integral type of the present invention support.As shown in Figure 1, the two self-locking intelligent information steel of a kind of integral type of the present invention support, and comprise cylindrical shell 1, movable end 2, oil cylinder 3 and gad 4.The inside of the first end of described cylindrical shell 1 is provided with described oil cylinder 3, described oil cylinder 3 is provided with oil pressure sensor 33, displacement pickup 34 and hydraulic lock 35, the second end of described cylindrical shell 1 is provided with an opening, in the middle of one, main stress plate 11 is axially disposed within described opening, and the both sides of main stress plate 11 and the welding of described cylindrical openings inwall one in the middle of described, described movable end 2 comprises support piston shoes 21, connecting panel 22, bolt 23, some strut bars 24 and force bearing plate 25, the first end of described strut bar 24 connects respectively described connecting panel 22, described connecting panel 22 connects described oil cylinder 3, the second end of described strut bar 24 clamps respectively described force bearing plate 25, described support piston shoes 21 connect described force bearing plate 25 by described bolt 23, and described strut bar 24 clamps respectively described middle main stress plate 11, described force bearing plate 25 align described in the middle of main stress plate 11,
Load and extend with described oil cylinder 3, described support piston shoes 21 extend to the outside of described cylindrical shell 1 along the extension direction of described middle main stress plate 11, and described gad 4 removably inserts and is supported between described middle main stress plate 11 and described force bearing plate 25;
With the unloading retraction of described oil cylinder 3, the retraction of described support piston shoes 21 along the extension direction of main stress plate 11 in the middle of described to described cylindrical shell 1.
The outer wall of described cylindrical shell 1 is provided with aperture 14, and the outer wall of described oil cylinder 3 is provided with turnover tubing interface 36, and described aperture 14 is communicated to described tubing interface 36.
The first end of described oil cylinder 3 is provided with oil cylinder piston shoes 31, the connecting panel 22 of movable end 2 described in described oil cylinder piston shoes 31 clampings.
Described oil cylinder 3 is also provided with a pipe link 39, and one end of described pipe link 39 connects described oil cylinder piston shoes 31, and the other end connects described displacement pickup 34.
The second end of described cylindrical shell 1 is provided with a hollow flange plate 12, described hollow flange plate 12 is provided with some bolts hole 13, the bottom of described oil cylinder 3 is provided with a cylinder flange plate 32, between described hollow flange plate 12 and described cylinder flange plate 32, is spirally connected by some bolts 37 and screw 38.
The present invention adopts postpone jacking in oil cylinder, and outer steel supports cylindrical shell unitary construction form, and possesses machinery+Hydraulic Double auto-lock function, has greatly improved the reliability and safety of system.There will not be bolt with flange tensile failure phenomenon.In addition, rear end of the present invention oil cylinder, with hydraulic pressure transducer, hydraulic lock and displacement pickup, can be realized a complete set of solutions for pressure, displacement, self-locking.Finally, oil cylinder of the present invention is connected employing bayonet joint with movable end afterbody, connect convenient operation without bolt.
 
Fig. 2 is the diagram of circuit of the loading method of the two self-locking intelligent information steel supports of integral type of the present invention.As shown in Figure 2, in the time that support need to load:
(1) the turnover oil pipe that connects external hydraulic station by aperture reserved on cylindrical shell 1 14 is to passing in and out tubing interface 36 and pressure, displacement data line to oil pressure sensor 33 and displacement pickup 34;
(2) oil cylinder 3 loads and extends, and promotes the connecting panel 22 of movable end 2 rear ends by the oil cylinder piston shoes 31 of oil cylinder front end, and movable end 2 is extended;
(3) oil cylinder 3 loads when elongation, oil pressure sensor 33 and displacement pickup 34 Real-Time Monitoring axial force of the supports and displacement datas;
(4) when axial force of the supports or displacement reach after design value, external hydraulic station stops oil cylinder 3 to load, and hydraulic lock 35 self-lockings guarantee that oil cylinder internal pressure is still in design value;
(5) gad 4 is inserted to the space between movable end 2 and cylindrical shell 1, complete supporting loading operation.
Fig. 3 is the diagram of circuit of the method for dismounting of the two self-locking intelligent information steel supports of integral type of the present invention.As shown in Figure 3, in the time that support need to unload:
(1) first remove the gad 4 inserting between movable end 2 and cylindrical shell 1;
(2) again by external hydraulic station unloading retraction oil cylinder 3, hydraulic lock is removed self-locking under the effect of outside Hydraulic Station, and oil circuit is opened, oil cylinder 3 unloading retractions;
(3), when oil cylinder 3 unloadings bounce back, by the socket joint link mechanism between the oil cylinder piston shoes 31 of oil cylinder front end and the connecting panel 22 of movable end 2 rear ends, pull together movable end 2 to bounce back;
(4) when oil cylinder 3 unloadings bounce back, oil pressure sensor 33 and displacement pickup 34 Real-Time Monitoring axial force of the supports and displacement datas;
(5) when axial force of the supports or displacement reach after design value, external hydraulic station stops oil cylinder 3 to unload, and hydraulic lock 35 self-lockings guarantee that oil cylinder internal pressure is still in design value;
(6) gad 4 is inserted to the space between movable end 2 and cylindrical shell 1, complete support unloading operation.
 
In the present invention and background technology, the key distinction of disclosed two patents is:
1) the disclosed a kind of foundation ditch controllable hydraulic steel of contrast CN101463606A supports, it itself is exactly steel supporting base end portion structure, self cylinder block acts directly on foundation ditch side wall, degree of finish is required outside high cylinder block is directly exposed to, cannot meet the construction environment of camp site complexity and severe condition, very easily cause cylinder body to draw, wipe, injure by a crashing object and seal failure cannot be used; In addition, this is supported on short one or two months, long in the long-term pattern foundation pit supporting structure process of five or six months, must remain that hydraulic efficiency pressure system is in high pressure conditions, and without actv. self-locking measure, once there is the problem such as power-off, leakage of oil, to lose support effect, consequence is hardly imaginable.Finally, this support inside all has a set of complete hydraulic efficiency pressure system (comprising hydraulic reservoir, Hydraulic Pump, motor and hydraulic valve block), and this just means that this hydraulic pressure support structure is very complicated, fragile, cost is very high and maintains loaded down with trivial details.
The present invention adopts postpone jacking in oil cylinder, and outer steel supports cylindrical shell and the integrated structural form of segmented head, and possesses machinery+Hydraulic Double auto-lock function.Therefore, there will not be cylinder body to expose support Problem of Failure fragile and that cause due to power-off or leakage of oil.In addition, the present invention is simple and reliable for structure, and only oil cylinder and related sensor, hydraulic lock are built-in, adopts outside unified hydraulic power system, has not only greatly improved the fiduciary level of system, and economizes on resources and can effectively reduce costs.
2) contrast CN203144059U shores formula segmented head after disclosed, its main deficiency is: first, its version adopts two sectional type structure, between its hydraulic pressure body and fixing body, adopt bolt with flange to be connected, installation is complicated, globality is poor, and when rear end oil cylinder loads in jack-in process, be prone to and between hydraulic pressure body and fixing body, adopt bolt with flange tensile failure phenomenon; Secondly, the rear portion oil cylinder of this patent is without hydraulic lock and displacement pickup, once leakage of oil, oil cylinder lost efficacy immediately, and cannot monitor bracing displacement.In addition, the rear portion oil cylinder of this patent only has two hydraulic pressure transducers, its first hydraulic pressure transducer is connected to petrol storage tank monitoring mailbox pressure, the second hydraulic pressure transducer is connected to hydraulic compressor sleeve or fixed muffle is used for monitoring steel bushing pressure, all non-direct test oil cylinder in-cylinder pressures, therefore cannot directly accurately measure axial force of the supports.Finally, its rear portion oil cylinder is fixedly connected with ball seat 44 by bolt with the 3rd connecting panel 45 of movable body rear end, and this connection mode seems feasible, in actual installation process, the closed region of this region between hydraulic compressor body and fixing body, without operational space, cannot connect by bolt.
Eventually the above, the present invention's entirety adopts to be controlled and monitoring integration, machinery is integrated with hydraulic pressure, with machinery+Hydraulic Double self-locking pattern and with the information-based steel supporting base end portion of the integral and intelligent structure of oil pressure and real-time displacement monitoring function.In use, can be as required, loading and the axle power of carrying out easily axial force of the supports are added with, and to reach easy, Fast Installation support, improve operating efficiency, reduce the object of foundation pit deformation.The present invention carries mechanical type self-locking mechanism and hydraulic pressure self-locking device, has realized the reliable self-locking system of machinery, Hydraulic Double self-locking, avoids due to single self-locking the lost efficacy destruction and the engineering accident that cause.In addition, can rely on the pressure sensor and the displacement pickup that in the present invention, carry, coordinate corresponding servo monitoring system, can realize real-time dynamic monitoring and intelligent automation control to steel axial force of the supports and distortion.
Above-described embodiment is only for illustrating technological thought and the feature of this patent, its object is the content that makes those skilled in the art can understand this patent and implements according to this, can not only limit the scope of the claims of this patent with the present embodiment, be equal variation or the modification that all spirit disclosing according to this patent is done, still drop in the scope of the claims of this patent.

Claims (7)

1. the two self-locking intelligent information steel of integral type support, and it is characterized in that: comprise cylindrical shell (1), movable end (2), oil cylinder (3) and gad (4);
The inside of the first end of described cylindrical shell (1) is provided with described oil cylinder (3), described oil cylinder (3) is provided with oil pressure sensor (33), displacement pickup (34) and hydraulic lock (35), the second end of described cylindrical shell (1) is provided with an opening, in the middle of one, main stress plate (11) is axially disposed within described opening, and the both sides of main stress plate (11) and the welding of described cylindrical openings inwall one in the middle of described, described movable end (2) comprises support piston shoes (21), connecting panel (22), bolt (23), some strut bars (24) and force bearing plate (25), the first end of described strut bar (24) connects respectively described connecting panel (22), described connecting panel (22) connects described oil cylinder (3), the second end of described strut bar (24) clamps respectively described force bearing plate (25), described support piston shoes (21) connect described force bearing plate (25) by described bolt (23), and described strut bar (24) clamps respectively described middle main stress plate (11), described force bearing plate (25) align described in the middle of main stress plate (11),
Load and extend with described oil cylinder (3), described support piston shoes (21) extend to the outside of described cylindrical shell (1) along the extension direction of described middle main stress plate (11), and described gad (4) removably inserts and is supported between described middle main stress plate (11) and described force bearing plate (25);
With the unloading retraction of described oil cylinder (3), the retraction of described support piston shoes (21) along the extension direction of main stress plate (11) in the middle of described to described cylindrical shell (1).
2. the two self-locking intelligent information steel of integral type as claimed in claim 1 support, it is characterized in that: the outer wall of described cylindrical shell (1) is provided with aperture (14), the outer wall of described oil cylinder (3) is provided with turnover tubing interface (36), and described aperture (14) are communicated to described tubing interface (36).
3. the two self-locking intelligent information steel of integral type as claimed in claim 2 support, and it is characterized in that: the first end of described oil cylinder (3) is provided with oil cylinder piston shoes (31) connecting panel (22) of movable end (2) described in described oil cylinder piston shoes (31) clamping.
4. the two self-locking intelligent information steel of integral type as claimed in claim 3 support, it is characterized in that: described oil cylinder (3) is also provided with a pipe link (39), one end of described pipe link (39) connects described oil cylinder piston shoes (31), and the other end connects described displacement pickup (34).
5. the two self-locking intelligent information steel of integral type as claimed in claim 4 support, it is characterized in that: the second end of described cylindrical shell (1) is provided with a hollow flange plate (12), described hollow flange plate (12) is provided with some bolts hole (13), the bottom of described oil cylinder (3) is provided with a cylinder flange plate (32), between described hollow flange plate (12) and described cylinder flange plate (32), is spirally connected by bolt (37) and screw (38).
6. the loading method that the two self-locking intelligent information steel of integral type support, is characterized in that, comprises the following steps:
(1) the turnover oil pipe that connects external hydraulic station by aperture reserved on cylindrical shell is to passing in and out tubing interface and pressure, displacement data line to oil pressure sensor and displacement pickup;
(2) oil cylinder loads and extends, and promotes the connecting panel of movable end rear end by the oil cylinder piston shoes of oil cylinder front end, and movable end is extended;
(3) oil cylinder loads when elongation, oil pressure sensor and displacement pickup Real-Time Monitoring axial force of the supports and displacement data;
(4) when axial force of the supports or displacement reach after design value, external hydraulic station stops oil cylinder loading, and hydraulic lock self-locking, guarantees that oil cylinder internal pressure is still in design value; And
(5) gad is inserted to the space between movable end and cylindrical shell, complete supporting loading operation.
7. the method for dismounting that the two self-locking intelligent information steel of integral type support, is characterized in that, comprises the following steps:
(1) first remove the gad inserting between movable end and cylindrical shell;
(2) again by external hydraulic station unloading retraction oil cylinder, hydraulic lock is removed self-locking under the effect of outside Hydraulic Station, and oil circuit is opened, oil cylinder unloading retraction;
(3), when oil cylinder unloading bounces back, by the socket joint link mechanism between the oil cylinder piston shoes of oil cylinder front end and the connecting panel of movable end rear end, pull together movable end retraction;
(4) when oil cylinder unloading bounces back, oil pressure sensor and displacement pickup Real-Time Monitoring axial force of the supports and displacement data;
(5) when axial force of the supports or displacement reach after design value, external hydraulic station stops oil cylinder unloading, and hydraulic lock self-locking, guarantees that oil cylinder internal pressure is still in design value; And
(6) gad is inserted to the space between movable end and cylindrical shell, complete support unloading operation.
CN201410091092.9A 2014-03-12 2014-03-12 The two self-locking intelligent information bracing members of a kind of integral type and loading thereof, method for dismounting Expired - Fee Related CN103879918B (en)

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CN104180986A (en) * 2014-09-22 2014-12-03 上海外高桥造船有限公司 Load test tool for sleeve tensioner and testing device including same
CN104180986B (en) * 2014-09-22 2016-06-22 上海外高桥造船有限公司 Stress test frock for sleeve pipe stretcher and the assay device containing it
CN110879577A (en) * 2019-10-25 2020-03-13 永发(江苏)模塑包装科技有限公司 Paper pulp molding equipment capable of quickly changing mold
CN112942360A (en) * 2021-01-27 2021-06-11 中国一冶集团有限公司 Adjustable head device and adjustable head supporting system

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