CN101734586A - Continuously towing system for civil engineering - Google Patents

Continuously towing system for civil engineering Download PDF

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Publication number
CN101734586A
CN101734586A CN201010002583A CN201010002583A CN101734586A CN 101734586 A CN101734586 A CN 101734586A CN 201010002583 A CN201010002583 A CN 201010002583A CN 201010002583 A CN201010002583 A CN 201010002583A CN 101734586 A CN101734586 A CN 101734586A
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China
Prior art keywords
jack
self
oil
draught line
cylinder
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CN201010002583A
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Chinese (zh)
Inventor
杨建中
莫卫国
王霓
莫天明
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Individual
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Individual
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Priority to CN201010002583A priority Critical patent/CN101734586A/en
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Abstract

The invention discloses a continuously towing system for civil engineering, which is high in towing efficiency and low in towing cost. The continuously towing system comprises a towing anchor(1) fixedly connected with a towing article(10), a towing line I(21), a towing line II(22), a supporting seat(4) fixedly arranged, an oil pump(5), and a jack I(6) and a jack II(7) which are fixed on the supporting seat(4), wherein the towing line I(21) and the towing line II(22) are fixedly connected with the towing anchor(1) and pass though the jack I(6) and the jack II(7) respectively; a front cylinder oil circuit(67) is arranged between and communicated with front oil cylinders(61 and 71) of the two jacks; the oil pump(5) is provided with an oil valve I(51) and an oil valve II(52); a back oil cylinder(62) of the jack I(6) is provided with a back cylinder oil circuit I(63) connected with the oil valve I(51), and a back oil cylinder(72) of the jack II(7) is provided with a back cylinder oil circuit I(73) connected with the oil valve II(52); and the two jacks tow in turn, and the supporting seat(4) also has the self-locking function.

Description

Continuously towing system for civil engineering
Technical field
The present invention relates to a kind of continuously towing system for civil engineering.
Background technology
In civil engineering, often need some building materialss are done the level or the vertical slow traction of long distance, as situations such as large-scale steel structure installation, drag-line installation, the carrying of large volume case beam and building translations.Traction method commonly used at present comprises winch traction, vehicle traction and jack traction etc.Wherein, though winch and vehicle traction speed are fast, but its traction is born a heavy burden lower, to control difficulty big because of braking retardation and inertia problem cause, and winch is installed inconvenient in practice of construction is used, and automobile traveling track condition is limited, and the steel rope trend is tied, so the restriction that winch and vehicle traction are subjected in the constructing operation of civil engineering is more, thereby be difficult to be used widely.Comparatively speaking, the jack traction is born a heavy burden big, and equipment is light and handy, it is comparatively convenient to install, according to the traction route towing point is set and is not subjected to constraint based on sites, and can accurately control the traction location, so jack application as tractor equipment in civil engineering is comparatively general by oil control jack stroke.Yet existing jack traction feedthrough jack commonly used, an oil pump and corresponding anchoring anchor clamps carry out traction construction, in distraction procedure, whenever finish an oil cylinder stroke and then need oil return, promptly suspend traction work, treat to begin after jack cylinder makes zero again a new circulation, and in interrupted distraction procedure, also need to adjust the anchoring anchor clamps and increase interim towing point fixed traction thing, therefore, this interrupted traction, the tractor equipment efficient of repetitive operation is very low, and the human cost that spends when draw operations is higher, causes the integrally dragging cost to rise.
In sum, the tractor equipment of using in the existing civil engineering only can be carried out interrupted drawing-in motion to being pulled thing, exists drawbar efficiency lowly to reach the higher technological deficiency of traction cost.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, provide a kind of drawbar efficiency height, the traction cost lower, can realize being pulled the continuously towing system for civil engineering that thing draws continuously.
The technical solution adopted in the present invention is: the present invention includes and be pulled the traction anchor that thing is captiveed joint, draught line I, draught line II, be fixedly installed on the supporting seat that supports on the stress point, oil pump, the jack I and the jack II that fix with described supporting seat, described draught line I, draught line II is connected surely with described traction anchoring and passes described supporting seat and described jack I respectively, jack II, the cylinder oil circuit is connected before being provided with between the preceding oil cylinder of described jack I and the preceding oil cylinder of described jack II, described oil pump is provided with fuel tap I, fuel tap II, the back oil cylinder of described jack I is provided with back cylinder oil circuit I and is connected with described fuel tap I, and the back oil cylinder of described jack II is provided with back cylinder oil circuit II and is connected with described fuel tap II.
Described supporting seat comprises bearing plate, following bearing plate, be provided with two self-locking devices between described last bearing plate and the described following bearing plate, described self-locking device comprises the anchor ring that is fixedly installed on the described bearing plate down, described anchor ring is combined with the self-locking intermediate plate, described self-locking intermediate plate and described going up between the bearing plate are provided with stage clip, be provided with pressing plate between described self-locking intermediate plate and the described stage clip, described draught line I, draught line II pass described anchor ring, described self-locking intermediate plate and described stage clip respectively.
Be provided with thread rod between last bearing plate on the described supporting seat and the following bearing plate, described thread rod is furnished with some nuts and fixes.
The center of described anchor ring is provided with circular conical surface, and the outside face of described self-locking intermediate plate also is provided with the circular conical surface that cooperates with described anchor ring.
Each described self-locking device comprises at least two described self-locking intermediate plates.
Be equipped with compression indicator on described back cylinder oil circuit I and the described back cylinder oil circuit II.
The invention has the beneficial effects as follows: the present invention utilizes the hydraulic jack alternation of two parallel connections, jack I and jack II cross-under simultaneously has and is pulled thing bonded assembly draught line, oil cylinder and back oil cylinder before conventional hydraulic jack includes, the cylinder oil circuit is connected before being provided with between the preceding oil cylinder of the I of jack described in the present invention and the preceding oil cylinder of described jack II, realize that two preceding oil cylinders in the jin top are connected, on oil pump, be provided with fuel tap I, fuel tap II, the back oil cylinder of described jack I is provided with back cylinder oil circuit I and is connected with described fuel tap I, the back oil cylinder of described jack II is provided with back cylinder oil circuit II and is connected with described fuel tap II, make two jacks and oil pump form the osed top oil circuit, two fuel taps by the operation oil pump, control back cylinder oil circuit I, the working condition of back cylinder oil circuit II, and then control two jacks, make one of them jack when roof pressure, another jack automated backhaul, mutual reverse work, traction work hockets, realizing that the stretching and drawing line is pulled thing with driving incessantly continues to move forward, can save when existing single jack draws needs to suspend, working fastening, oil return, anchorings etc. are a series of to repeat work, thereby effectively improved drawbar efficiency, alleviate the working strength of operating personal, and make traction work reduce dependence to manpower, significantly reduction personnel configuration, reach the purpose that reduces the traction cost, so drawbar efficiency height of the present invention, the traction cost is lower, can realize drawing continuously to being pulled thing;
The present invention also is provided with self-locking device between bearing plate on the described supporting seat and described following bearing plate, provide pressure by the stage clip in the described self-locking device to described pressing plate and described self-locking intermediate plate, described pressing plate can make the pressure of described stage clip act on equably on the described self-locking intermediate plate by described pressing plate, further guarantee the locking effect or the relaxation effect of self-locking intermediate plate, and ensure that locking state and relaxation state are more smooth, switch effectively; When the draught line that passes the self-locking intermediate plate stops to draw, be subjected to the self-locking intermediate plate of stage clip roof pressure then to compress the pinning draught line immediately, if sliding moving back takes place in draught line, then the self-locking intermediate plate presss from both sides tighter and tighter locked draught line, reach the purpose of self-lock protection, when draught line is proceeded to draw work, then the self-locking intermediate plate can be loosening with the direction that draught line advances, thereby releasing locking state, can realize being pulled thing continuous traction in vertical direction, the present invention is in the process of traction continuously, when draught line I is traction state, draught line II then is subjected to the clamping of self-locking intermediate plate to enter the self-lock protection state, when should draught line II reverting to traction state, then draught line I stops traction and enters the self-lock protection state, cycle alternation thus, make traction system realize that not only traction continuously but also while can play a protective role, improve safety greatly, particularly when being pulled thing and carrying out the traction of vertical direction, the self-lock protection function is particularly important, the present invention has effectively avoided the single draught line in the existing single jack to occur the risk of slippage easily when traction, the present invention can be direct, high efficiency, realize large-tonnage in the civil engineering at low cost, long distance, the slow traction of level or vertical direction, can reduce manpower greatly, improve drawbar efficiency and guarantee traction safety;
Be provided with thread rod between last bearing plate on the described supporting seat of the present invention and the following bearing plate, described thread rod is furnished with some nuts and fixes, can adjust the position of bearing plate by nut engaged on the adjusting thread bar, and then the intensity of suppressing of regulating described stage clip, make described stage clip be in the best and suppress state, guarantee to stretch and to contract, guarantee locking or loosen described self-locking intermediate plate;
Be equipped with compression indicator on described back cylinder oil circuit I of the present invention and the described back cylinder oil circuit II, when carrying out draw operations, the operator can be by observing described compression indicator, judge the mode of operation of traction system, thereby traction system is carried out correct control, the variation of monitor force table data, can determine that thereby the area of thrust surface of jack converse the stressed size of draught line or are pulled the weight of thing according to the compression indicator data, when unusual last pressure or hypertonia are arranged, in time check each link of traction system, queueing problem continues to exert pressure again, thereby guarantees the safety of the work of drawing.
Description of drawings
Fig. 1 is an integral structure scheme drawing of the present invention;
Fig. 2 is the structural representation of supporting seat of the present invention and self-locking device.
The specific embodiment
As Fig. 1, shown in Figure 2, the present invention includes and be pulled the traction anchor 1 that thing 10 is captiveed joint, draught line I 21, draught line II 22, be fixedly installed on the supporting seat 4 that supports on the stress point 3, oil pump 5, the jack I 6 and the jack II 7 that fix with described supporting seat 4, described draught line I 21, draught line II 22 is steel strand, described draught line I 21, draught line II 22 is captiveed joint with described traction anchor 1 and is passed described supporting seat 4 and described jack I 6 respectively, jack II 7, described draught line I 21, draught line II 22 can push anchor 9 by steel strand captives joint with described traction anchor 1, also can adopt bolt mode or other modes to fix, described jack I 6, jack II 7 is conventional feed-through hydraulic jack, oil cylinder and back oil cylinder before comprising, cylinder oil circuit 67 is connected before being provided with between the preceding oil cylinder 61 of described jack I 6 and the preceding oil cylinder 71 of described jack II 7, described oil pump 5 adopts the two-way high-pressure oil pump, described oil pump 5 is provided with fuel tap I 51, fuel tap II 52, the back oil cylinder 62 of described jack I 6 is provided with back cylinder oil circuit I 63 and is connected with described fuel tap I 51, the back oil cylinder 72 of described jack II 7 is provided with back cylinder oil circuit II 73 and is connected with described fuel tap II 52, makes described jack I 6, jack II 7 forms the osed top oil circuit with described oil pump 5; Be equipped with compression indicator 8 on described back cylinder oil circuit I 63 and the described back cylinder oil circuit II 73.
Described supporting seat 4 comprises bearing plate 41, following bearing plate 42, be provided with two self-locking devices between described last bearing plate 41 and the described following bearing plate 42, described self-locking device comprises the anchor ring 43 that is fixedly installed on the described bearing plate 42 down, described anchor ring 43 can be fixedly installed on by the mode of welding on the described bearing plate 42 down, described anchor ring 43 is combined with self-locking intermediate plate 44, each described self-locking device comprises two described self-locking intermediate plates 44, the center of described anchor ring 43 is provided with circular conical surface, the outside face of described self-locking intermediate plate 44 also is provided with the circular conical surface that cooperates with described anchor ring 43, described self-locking intermediate plate 44 and described going up between the bearing plate 41 are provided with stage clip 45, at the described self-locking intermediate plate 44 and the contact position of described stage clip 45 pressing plate 46 is installed, described stage clip 45 provides pressure by described pressing plate 46 to described self-locking intermediate plate 44; The present invention is provided with the described self-locking device of two covers, a wherein cover self-locking device and described draught line I 21 cross-under, another set of self-locking device and described draught line II 22 cross-under, be provided with four thread rods 47 between last bearing plate 41 on the described supporting seat 4 and the following bearing plate 42, described thread rod 47 is furnished with some nuts 48 and fixes, can adjust the position of bearing plate 41 by nut engaged 48 on the adjusting thread bar 47, and then the intensity of suppressing of regulating described stage clip 45, make described stage clip 45 be in the best and suppress state, guarantee to stretch and to contract, guarantee locking or loosen described self-locking intermediate plate 44, when steel strand upwards move traction, steel strand drive the upwards described stage clip 45 of roof pressure of described self-locking intermediate plate 44, and described self-locking intermediate plate 44 loosens during described stage clip 45 deformation in compressions; When steel strand out of service, even when trend is arranged back, the described pressing plate 46 of described stage clip 45 roof pressures, the described anchor ring 43 locked steel strand of described self-locking intermediate plate 44 jackings, realize thus loosening traction, the function that again can self-locking ensures safety, self-locking bracing or strutting arrangement guarantee when installing that each member centering is installed and get final product.
The specific operation process that the present invention draws is as follows:
Before traction work, need to adjust described jack I 6, the initial condition of jack II 7: earlier described jack I 6 is transferred to half stroke, described jack I 6 is connected on the two-way oil nozzle of oil pump 5 with two oil pipes, controlling described oil pump 5 then oils repeatedly, oil return, guaranteeing does not several times repeatedly have air in the oil cylinder of described jack I 6, at last described jack I 6 oil cylinders are parked in the midway location of stroke, pull down two oil pipes, and to be placed on the place that exceeds described jack I 6 to oil pipe, prevent the oil outflow in the oil pipe, otherwise can influence described jack I 6, the synchronous coordination of jack II 7 when traction; Use then with quadrat method jack II 7 is adjusted into initial condition.
The connection of continuous traction system and control: with cylinder oil circuit 67 before described that one of the formation of connecting with the preceding oil cylinder 71 of described jack II 7 of the preceding oil cylinder 61 of described jack I 6 is closed circuit then, must not leakage of oil.With described back cylinder oil circuit I 63 the back oil cylinder 62 of described jack I 6 is connected with described fuel tap I 51 then, with described back cylinder oil circuit II 73 the back oil cylinder 72 of described jack II 7 is connected with described fuel tap II 52, jack II 7 carries out backhaul simultaneously described in the process that can realize thus pressing on the described jack I 6, and vice versa.
In the concrete control, fuel tap I 51, the fuel tap II 52 of described oil pump 5 must not be closed simultaneously.When utilizing described draught line I 21 to draw, described fuel tap I 51 is an open mode, described fuel tap II 52 is closed, at this moment, described draught line II22 is in halted state, described draught line 22 lockings of the self-locking device of cross-under on described draught line II 22, during locking, evenly exert pressure to described self-locking intermediate plate 44 by described pressing plate 46 by described stage clip 45, make described self-locking intermediate plate 44 described draught line II 22 of cramping in described anchor ring 43, realize locking: described draught line I 21 carries out in the distraction procedure, oil in the described oil pump 5 enters the back oil cylinder 62 of described jack I 6 from described back cylinder oil circuit I 63, make described jack I 6 stretching and drawing line I 21, thereby will be pulled thing 10 spurs forward, the oil that the preceding oil cylinder of described jack I 6 of while is 61 li enters the preceding oil cylinder 71 of described jack II 7 gradually by cylinder oil circuit 67 before described, the oil that the back oil cylinder of described jack II 7 is 72 li flows back to described oil pump 5 by described back cylinder oil circuit II 73, when described draught line I 21 draws, the self-locking device of cross-under on described draught line I 21 is in relaxation state, described stage clip 45 is with the direction distortion of described draught line I 21 tractions, it is loosening that described self-locking intermediate plate 44 is taken place on the direction of traction, guarantees that described draught line I 21 carries out drawing-in motion smoothly; Treat then to open when described jack I 6 oil cylinder strokes reach 90% oil cylinder length described fuel tap II 52, close described fuel tap I 51 again, the self-locking device of cross-under on described draught line II 22 removed the locking state to described draught line II 22, described draught line II 22 beginning drawing-in motions, the self-locking device of cross-under on described draught line I 21 then enters the self-lock protection state with described draught line I 21 lockings, when described draught line II22 draws, oil in the described oil pump 5 enters the back oil cylinder 72 of described jack II 7 from described back cylinder oil circuit II 73, making described jack II 7 stretchings be pulled thing 10 spurs forward, simultaneously the oil of 71 li of the preceding oil cylinders of described jack II 7 enters 61 li of the preceding oil cylinders of described jack I 6 gradually by cylinder oil circuit 67 before described, make the oil of 62 li of back oil cylinders of described jack I 6 flow back to described oil pump 5 by described back cylinder oil circuit I 63, treat to open when described jack II 7 oil cylinder strokes reach 90% oil cylinder length described fuel tap I 51, again close oil-closing valve II 52, described draught line II 22 stops drawing-in motion and enters the self-lock protection state, 21 of described draught line I remove self-lock protection, and the beginning drawing-in motion; Constantly repeat to realize uninterrupted drawing-in motion, thereby effectively shorten the time, increase work efficiency with cocycle.Described oil pump 5 is when work, need the data variation of the described compression indicator 8 of monitoring, can determine that thereby the area of thrust surface of described jack I 6 and jack II 7 converse the stressed size of described draught line I 21 and draught line II 22 or are pulled the weight of thing 10 according to the data of described compression indicator 8, when unusual last pressure or hypertonia are arranged, in time check each link of traction system, queueing problem continues to exert pressure again, guarantees the safety of the work of drawing.
The present invention utilizes the hydraulic jack alternation of two parallel connections, make one of them jack when roof pressure, another jack automated backhaul, mutual reverse work, traction work hockets, realizing that the stretching and drawing line is pulled thing with driving incessantly continues to move forward, can save when existing single jack draws needs to suspend, working fastening, oil return, anchorings etc. are a series of to repeat work, thereby effectively improved drawbar efficiency, alleviate the working strength of operating personal, and make traction work reduce dependence to manpower, significantly reduction personnel configuration, reach the purpose that reduces the traction cost, so the drawbar efficiency height, the traction cost is lower, can realize drawing continuously to being pulled thing.
The present invention can be widely used in field of civil engineering.

Claims (6)

1. continuously towing system for civil engineering, it is characterized in that: comprise and be pulled the traction anchor (1) that thing (10) is captiveed joint, draught line I (21), draught line II (22), be fixedly installed on the supporting seat (4) that supports on the stress point (3), oil pump (5), the jack I (6) and the jack II (7) that fix with described supporting seat (4), described draught line I (21), draught line II (22) is captiveed joint with described traction anchor (1) and is passed described supporting seat (4) and described jack I (6) respectively, jack II (7), cylinder oil circuit (67) is connected before being provided with between the preceding oil cylinder (61) of described jack I (6) and the preceding oil cylinder (71) of described jack II (7), described oil pump (5) is provided with fuel tap I (51), fuel tap II (52), the back oil cylinder (62) of described jack I (6) is provided with back cylinder oil circuit I (63) and is connected with described fuel tap I (51), and the back oil cylinder (72) of described jack II (7) is provided with back cylinder oil circuit II (73) and is connected with described fuel tap II (52).
2. continuously towing system for civil engineering according to claim 1, it is characterized in that: described supporting seat (4) comprises bearing plate (41), following bearing plate (42), be provided with two self-locking devices between described last bearing plate (41) and the described following bearing plate (42), described self-locking device comprises the anchor ring (43) that is fixedly installed on the described bearing plate (42) down, described anchor ring (43) is combined with self-locking intermediate plate (44), described self-locking intermediate plate (44) and described going up between the bearing plate (41) are provided with stage clip (45), be provided with pressing plate (46) between described self-locking intermediate plate (44) and the described stage clip (45), described draught line I (21), draught line II (22) passes described anchor ring (43) respectively, described self-locking intermediate plate (44) and described stage clip (45).
3. continuously towing system for civil engineering according to claim 2, it is characterized in that: be provided with thread rod (47) between last bearing plate (41) on the described supporting seat (4) and the following bearing plate (42), it is fixing that described thread rod (47) is furnished with some nuts (48).
4. continuously towing system for civil engineering according to claim 2 is characterized in that: the center of described anchor ring (43) is provided with circular conical surface, and the outside face of described self-locking intermediate plate (44) also is provided with the circular conical surface that cooperates with described anchor ring (43).
5. continuously towing system for civil engineering according to claim 2 is characterized in that: each described self-locking device comprises at least two described self-locking intermediate plates (44).
6. according to any described continuously towing system for civil engineering of claim 1 to 4, it is characterized in that: be equipped with compression indicator (8) on described back cylinder oil circuit I (63) and the described back cylinder oil circuit II (73).
CN201010002583A 2010-01-09 2010-01-09 Continuously towing system for civil engineering Pending CN101734586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010002583A CN101734586A (en) 2010-01-09 2010-01-09 Continuously towing system for civil engineering

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Application Number Priority Date Filing Date Title
CN201010002583A CN101734586A (en) 2010-01-09 2010-01-09 Continuously towing system for civil engineering

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Publication Number Publication Date
CN101734586A true CN101734586A (en) 2010-06-16

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CN201010002583A Pending CN101734586A (en) 2010-01-09 2010-01-09 Continuously towing system for civil engineering

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112012500A (en) * 2020-07-07 2020-12-01 上海建工集团股份有限公司 Wedge-shaped locking self-propelled pushing device and method
CN115075574A (en) * 2022-08-04 2022-09-20 上海市机械施工集团有限公司 Passive unloading method and unloading tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112012500A (en) * 2020-07-07 2020-12-01 上海建工集团股份有限公司 Wedge-shaped locking self-propelled pushing device and method
CN112012500B (en) * 2020-07-07 2023-01-13 上海建工集团股份有限公司 Wedge-shaped locking self-propelled pushing device and method
CN115075574A (en) * 2022-08-04 2022-09-20 上海市机械施工集团有限公司 Passive unloading method and unloading tool

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Application publication date: 20100616