CN102995565A - Anchor chain type soft drawing device of stay cable - Google Patents

Anchor chain type soft drawing device of stay cable Download PDF

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Publication number
CN102995565A
CN102995565A CN2012105481117A CN201210548111A CN102995565A CN 102995565 A CN102995565 A CN 102995565A CN 2012105481117 A CN2012105481117 A CN 2012105481117A CN 201210548111 A CN201210548111 A CN 201210548111A CN 102995565 A CN102995565 A CN 102995565A
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China
Prior art keywords
anchor chain
anchor
suspension cable
jack
connector
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Application number
CN2012105481117A
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Chinese (zh)
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CN102995565B (en
Inventor
吕兵
张国强
韦福堂
孙长军
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LIUZHOU OVM ENGINEERING Co Ltd
Liuzhou OVM Machinery Co Ltd
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LIUZHOU OVM ENGINEERING Co Ltd
Liuzhou OVM Machinery Co Ltd
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Application filed by LIUZHOU OVM ENGINEERING Co Ltd, Liuzhou OVM Machinery Co Ltd filed Critical LIUZHOU OVM ENGINEERING Co Ltd
Priority to CN201210548111.7A priority Critical patent/CN102995565B/en
Publication of CN102995565A publication Critical patent/CN102995565A/en
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Publication of CN102995565B publication Critical patent/CN102995565B/en
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Abstract

The invention provides an anchor chain type soft drawing device of a stay cable. The anchor chain type soft drawing device comprises supporting legs, a combined jack, an anchor chain used as drawing connection, an anchor chain connector for connecting the anchor chain with the stay cable, and a Haver type anchor chain clamp used for anchoring the anchor chain on the combined jack; the anchor chain connector comprises an anchor chain connector body and a connection pin shaft; and the Haver type anchor chain clamp comprises a Haver type anchor chain clamp body and a limiting tray. In drawing construction, the anchor chain passes through an anchor ring, the supporting legs and the combined jack; the Haver type anchor chain clamp is placed on the anchor ring as a lower anchor; the Haver type anchor chain clamp is placed at the back end of the combined jack as an upper anchor; the anchor chain is connected with the anchor chain connector through a pin shaft; and the anchor chain connector and a stay cable anchor head are directly connected or the anchor chain connector is connected with the stay cable anchor head through a connection device. The anchor chain type soft drawing device provided by the invention replaces a steel strand by using the anchor chain as the drawing connection, and has the advantages of reliable anchoring, high strength, large bearing force, good anti-bending effect, high repeated use ratio of the anchor chain, and rapidness and security in construction.

Description

The soft draw-gear of suspension cable anchor chain type
Technical field
The present invention relates to a kind of bridge construction accessory, particularly a kind of soft draw-gear of suspension cable anchor chain type of suspension cable traction usefulness.
Background technology
The soft traction of suspension cable will be used many steel strand usually, carries out anchoring by ground tackle and intermediate plate, utilizes jack to draw to rise or traction is transferred; In distraction procedure, the common problem of steel strand has: repeat usage is low, the complicated difficulty of personnel operation, easily beat and twist bending, unbalance stress, hauling speed and wait slowly; The problem of the complicated difficulty of personnel operation, unbalance stress very easily has an accident, and these problems are transferred in the process even more serious in traction.
Summary of the invention
The object of the present invention is to provide the soft draw-gear of a kind of suspension cable anchor chain type, the problems referred to above that adopt the soft traction of steel strand to exist to overcome prior art.
The technical scheme that addresses the above problem is: the soft draw-gear of a kind of suspension cable anchor chain type, comprise spike, combination jack, as traction connect usefulness anchor chain, be used for anchor chain connector that anchor chain is connected with suspension cable and for anchor chain being anchored at the Ha Fushi anchor chain clamper that makes up on the jack;
During traction construction, anchor chain passes anchor circle, spike and combination jack, place Ha Fushi anchor chain clamper as casting anchor at the anchor circle, place anchor in the conduct of Ha Fushi anchor chain clamper in combination jack rear end, anchor chain is connected by bearing pin with the anchor chain connector, and the anchor chain connector directly is connected with the suspension cable anchor head or is connected with the suspension cable anchor head by linkage.
Its further technical scheme is: described anchor chain connector comprises anchor chain connector body and connects bearing pin, described anchor chain connector body is the solid bodily form connector of a cylinder, it outer has an external screw thread, in anchor chain connector bodies top one ball-type groove face is arranged, in anchor chain connector body center, have from top to bottom an elliptical hole that passes through for anchor chain, have a horizontal bearing pin through hole with elliptical hole right-angled intersection place; During use, anchor chain termination one ring is inserted elliptical hole, then the connecting pin pivot pin is entered; Anchor chain connects by being connected bearing pin with anchor chain connector body, and this anchor chain connector directly is connected with the suspension cable anchor head by external screw thread or is connected with the suspension cable anchor head by linkage, thereby anchor chain is connected with the suspension cable anchor head by the anchor chain connector.
Described Ha Fushi anchor chain clamper comprises Ha Fushi anchor chain clamper body and spacing pallet, described Ha Fushi anchor chain clamper body is to being cut into two and half fixture block module compositions by a cylinder, cylindrical upper and lower end face before cutting respectively there is being a rectangular arc-shaped notch, a through hole that is complementary with anchor chain chain ring diameter is respectively being arranged in the deep-slotted chip breaker both sides; During use, two and half fixture blocks are buckled into the anchor chain docking, then place and be fixed into whole fixture block clamping anchor chain in the spacing pallet.
Described combination jack comprises jack body, bottom compoboard, top group plywood and bearing plate, described jack body is the Quick jack of 2 large strokes, at 2 jack bodies top group plywood and bottom compoboard are installed respectively up and down, make 2 jack become as a whole, then at jack piston bearing plate is installed, two jack cylinders carry out parallel connection by tee junction, provide power to draw by an oil pump.
Its further technical scheme be: the anchor chain connector directly is connected with the suspension cable anchor head by external screw thread or comprises neck bush and become joint by linkage and the linkage described in the suspension cable anchor head is connected, connected mode is: neck bush screws in the anchor cup, become joint and screw in neck bush, anchor chain connects and screw-in change joint by being connected bearing pin with anchor chain connector body, thereby anchor chain is connected with the suspension cable anchor head by the anchor chain connector.
The present invention's the soft draw-gear of suspension cable anchor chain type has following beneficial effect:
1. the present invention adopts anchor chain to substitute that normally used many steel strand connect usefulness as traction in the soft traction of suspension cable, because cable strength is high, bearing capacity is large, only need adopt single anchor chain to get final product during soft traction, in the distraction procedure stressed clearly, the controllability height.
Anchor chain have bent, the little characteristics of wearing and tearing so that bend resistance is effective, not fragile in the soft distraction procedure, the anchor chain repeat usage is high.
3. when using, anchor chain termination one ring is inserted elliptical hole, then the connecting pin pivot pin is entered; Anchor chain connects by being connected bearing pin with anchor chain connector body, this anchor chain connector directly is connected with the suspension cable anchor head by external screw thread or is connected with the suspension cable anchor head by linkage, thereby anchor chain is connected with the suspension cable anchor head by the anchor chain connector, its connected mode is versatile and flexible and easy, and is stressed clear and definite.
4. adopt the Ha Fushi anchor chain clamper of two halves formula fixture block modular construction that anchor chain is anchored on the combination jack, have in distraction procedure anchoring easy firmly, put easy advantage and an effect.
Be described further below in conjunction with the technical characterictic of drawings and Examples to the present invention's the soft draw-gear of suspension cable anchor chain type.
Description of drawings
Fig. 1: the soft draw-gear general structure of suspension cable anchor chain type of the present invention schematic diagram;
Fig. 2-1~Fig. 2-7: anchor chain connector structural representation:
Fig. 2-1: anchor chain connector body top view,
Fig. 2-2: anchor chain connector body left view (partly cuing open),
Fig. 2-3: anchor chain connector body front view (partly cuing open),
Fig. 2-4: the bearing pin left view,
Fig. 2-5: the bearing pin front view,
Fig. 2-6: schematic diagram (left view) is used in anchor chain, anchor chain connector body and bearing pin assembling,
Fig. 2-7: schematic diagram (front view) is used in anchor chain, anchor chain connector body and bearing pin assembling,
Fig. 3-1~Fig. 3-2: spacing support holder structure schematic diagram:
Fig. 3-1: spacing pallet top view,
Fig. 3-2: spacing pallet front view;
Fig. 4-1~Fig. 4-5 Ha Fushi anchor chain clamper body construction schematic diagram:
Fig. 4-1: top view,
Fig. 4-2: left view (partly cuing open),
Fig. 4-3: front view (partly cuing open),
Fig. 4-4-1: Ha Fushi anchor chain clamper uses view (left view is not in place),
Fig. 4-4-2: Ha Fushi anchor chain clamper uses view (left view is in place),
Fig. 4-5: Ha Fushi anchor chain clamper uses view (front view);
Fig. 5: combination jack structure schematic diagram.
Among the figure:
1-anchor cup, the 2-neck bush, 3-becomes joint;
4-anchor chain connector, 41-anchor chain connector body, 411-ball-type groove face, 412-bearing pin through hole, the 413-elliptical hole, 42-connects bearing pin;
5-anchor circle, 6-spike, 7-backing plate, 8-Ha Fushi anchor chain clamper, the spacing pallet of 81-, 82-Ha Fushi anchor chain clamper body;
9-makes up jack, 91-bottom compoboard, 92-jack body, 93-top group plywood, 94-bearing plate, 95-piston; The 10-anchor chain.
The specific embodiment
The soft draw-gear of a kind of suspension cable anchor chain type, as shown in Figure 1, the soft draw-gear of this suspension cable anchor chain type comprise spike 6, combination jack 9, as traction connect usefulness anchor chain 10, be used for anchor chain connector 4 that anchor chain 10 is connected with suspension cable and for anchor chain 10 being anchored at the Ha Fushi anchor chain clamper 8 that makes up on the jack 9;
During traction construction, anchor chain 10 passes anchor circle 5, spike 6 and combination jack 9, place Ha Fushi anchor chain clamper 8 as casting anchor at anchor circle 5, place anchor in 8 conducts of Ha Fushi anchor chain clamper in combined type jack 9 rear ends, anchor chain 10 and anchor chain connector 4 are connected by bearing pin, and anchor chain connector 4 directly is connected with the suspension cable anchor head or is connected with the suspension cable anchor head by linkage.
Shown in Fig. 2-1~Fig. 2-7, described anchor chain connector 4 comprises anchor chain connector body 41 and connects bearing pin 42, described anchor chain connector body 41 is the solid bodily form connectors of a cylinder, it outer has an external screw thread, at anchor chain connector body 41 tops one ball-type groove face 411 is arranged, in anchor chain connector body center, have from top to bottom an elliptical hole 413 that passes through for anchor chain, have a horizontal bearing pin through hole 412 with elliptical hole 413 right-angled intersections place; During use, anchor chain termination one ring is inserted elliptical hole 413, then bearing pin 42 pins are entered; This anchor chain connector body 41 directly is connected with the suspension cable anchor head by external screw thread or is connected with the suspension cable anchor head by linkage.
Shown in Fig. 3-1~Fig. 3-2, Fig. 4-1~Fig. 4-5, described Ha Fushi anchor chain clamper 8 comprises Ha Fushi anchor chain clamper body 82 and spacing pallet 81, described Ha Fushi anchor chain clamper body 82 is to being cut into two and half fixture block module compositions by a cylinder, cylindrical upper and lower end face before cutting respectively there is being a rectangular arc-shaped notch 821, a through hole 822 that is complementary with anchor chain chain ring diameter is respectively being arranged in the rectangular arc-shaped notch both sides; During use, two and half fixture blocks are buckled into anchor chain, then docking places and is fixed into whole fixture block clamping anchor chain in the spacing pallet 81.
As shown in Figure 5, described combination jack 9 comprises jack body 92, bottom compoboard 91, top group plywood 93 and bearing plate 94, described jack body is the Quick jack of 2 large strokes, at 2 jack bodies 92 top group plywood 93 and bottom compoboard 91 are installed respectively up and down, make 2 jack become as a whole, then at jack piston 95 94, two jack cylinders of bearing plate are installed and are carried out parallel connection by tee junction, provide power to draw by an oil pump.
As shown in Figure 1, in the present embodiment, anchor chain connector body 41 is connected with the suspension cable anchor head by linkage, described linkage comprises neck bush 2 and becomes joint 3, connected mode is: neck bush 2 screws in anchor cup 1, become joint 3 and screw in neck bush 2, anchor chain 10 is connected by bearing pin 42 with anchor chain connector body 41 and screws in change joint 3, thereby anchor chain 10 is connected with the suspension cable anchor head by anchor chain connector 4.
As a kind of conversion of the embodiment of the invention, described anchor chain connector body 41 also can directly be connected with the suspension cable anchor head by external screw thread without linkage, thereby anchor chain 10 is connected with the suspension cable anchor head by anchor chain connector 4.
The soft draw-gear course of work of suspension cable anchor chain type of the present invention is as follows:
When being used for the stretch-draw operation: anchor on the locking jack, jack begins to rise cylinder, the stressed anchor that is converted to, and anchor chain rises with jack piston, the stroke for the treatment of jack piston finishes, locking is casted anchor, slow contracting cylinder, upper anchor is stressed be converted into cast anchor stressed, anchor in the dismounting, after backward stroke of the piston, the upper anchor of locking repeats above action and can tighten up the new suspension cable of anchoring again;
When being used for putting Zhang Zuoye: very heavy jacking cylinder is locked anchor on the jack to certain stroke, and upper anchor is stressed, jack oil return contracting cylinder, anchor chain is transferred with the jack piston retraction, treats that the backhaul of jack piston finishes, and locking is casted anchor, jack is the contracting cylinder slowly, upper anchor is stressed to be converted into and to cast anchor stressedly, and anchor in the dismounting rises cylinder behind certain stroke until piston, the upper anchor of locking repeats above action and can put an old suspension cable again.

Claims (5)

1. soft draw-gear of suspension cable anchor chain type is characterized in that: the soft draw-gear of this suspension cable anchor chain type comprise spike, combination jack (9), as traction connect usefulness anchor chain (10), be used for anchor chain connector (4) that anchor chain (10) is connected with suspension cable and for anchor chain (10) being anchored at the Ha Fushi anchor chain clamper (8) that makes up on the jack (9);
During traction construction, anchor chain (10) passes anchor circle (5), spike (6) and combination jack (9), place Ha Fushi anchor chain clamper (8) as casting anchor at anchor circle (5), place Ha Fushi anchor chain clamper (8) as upper anchor in combination jack (9) rear end, anchor chain (10) is connected by bearing pin with anchor chain connector (4), and anchor chain connector (4) directly is connected with the suspension cable anchor head or is connected with the suspension cable anchor head by linkage.
2. the soft draw-gear of suspension cable anchor chain type according to claim 1, it is characterized in that: described anchor chain connector (4) comprises anchor chain connector body (41) and connects bearing pin (42), described anchor chain connector body (41) is the solid bodily form connector of a cylinder, external screw thread is arranged outside it, at anchor chain connector body (41) top one ball-type groove face (411) is arranged, in anchor chain connector body center, have from top to bottom an elliptical hole (413) that passes through for anchor chain, have a horizontal bearing pin through hole (412) with elliptical hole (413) right-angled intersection place; During use, anchor chain termination one ring is inserted elliptical hole (413), then will connect bearing pin (42) pin and enter; Anchor chain (10) connects by being connected bearing pin (42) with anchor chain connector body (41), this anchor chain connector (4) directly is connected with the suspension cable anchor head by external screw thread or is connected with the suspension cable anchor head by linkage, thereby anchor chain (10) is connected with the suspension cable anchor head by anchor chain connector (4).
3. the soft draw-gear of suspension cable anchor chain type according to claim 1, it is characterized in that: described Ha Fushi anchor chain clamper (8) comprises Ha Fushi anchor chain clamper body (82) and spacing pallet (81), described Ha Fushi anchor chain clamper body (82) is to being cut into two and half fixture block module compositions by a cylinder, cylindrical upper and lower end face before cutting respectively there is being a rectangular arc-shaped notch (821), a through hole (822) that is complementary with anchor chain chain ring diameter is respectively being arranged in the deep-slotted chip breaker both sides; During use, two and half fixture blocks are buckled into anchor chain, then docking places and is fixed into whole fixture block clamping anchor chain in the spacing pallet (81).
4. the soft draw-gear of suspension cable anchor chain type according to claim 1, it is characterized in that: described combination jack (9) comprises jack body (92), bottom compoboard (91), top group plywood (93) and bearing plate (94), described jack body is the Quick jack of 2 large strokes, at 2 jack bodies (92) top group plywood (93) and bottom compoboard (91) are installed respectively up and down, make 2 jack become as a whole, then at jack piston (95) bearing plate (94) is installed, two jack cylinders carry out parallel connection by tee junction, provide power to draw by an oil pump.
5. the soft draw-gear of suspension cable anchor chain type according to claim 2, it is characterized in that: anchor chain connector (4) directly is connected with the suspension cable anchor head by external screw thread or comprises neck bush (2) and become joint (3) by linkage and the linkage described in the suspension cable anchor head is connected, connected mode is: neck bush (2) screws in anchor cup (1), become joint (3) and screw in neck bush (2), anchor chain (10) connects and screw-in change joint (3) by being connected bearing pin (42) with anchor chain connector body (41), thereby anchor chain (10) is connected with the suspension cable anchor head by anchor chain connector (4).
CN201210548111.7A 2012-12-17 2012-12-17 Anchor chain type soft drawing device of stay cable Active CN102995565B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publication number Priority date Publication date Assignee Title
CN105319000A (en) * 2015-12-04 2016-02-10 长沙理工大学 Variable-diameter inhaul cable clamping device with clamping force measurement function and installation method of variable-diameter inhaul cable clamping device
CN107574442A (en) * 2017-10-13 2018-01-12 大连科迈尔防腐科技有限公司 A kind of vertical tensioning fixing device of composite rope

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105319000A (en) * 2015-12-04 2016-02-10 长沙理工大学 Variable-diameter inhaul cable clamping device with clamping force measurement function and installation method of variable-diameter inhaul cable clamping device
CN105319000B (en) * 2015-12-04 2017-11-03 长沙理工大学 The variable-diameter drag-line clamper and its installation method of function are measured with clamping force
CN107574442A (en) * 2017-10-13 2018-01-12 大连科迈尔防腐科技有限公司 A kind of vertical tensioning fixing device of composite rope
CN107574442B (en) * 2017-10-13 2019-04-26 大连科迈尔海洋工程技术有限公司 A kind of fixed device of the vertical tensioning of composite rope

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