CN211596410U - Main cable strand tension adjusting device - Google Patents
Main cable strand tension adjusting device Download PDFInfo
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- CN211596410U CN211596410U CN201921721565.3U CN201921721565U CN211596410U CN 211596410 U CN211596410 U CN 211596410U CN 201921721565 U CN201921721565 U CN 201921721565U CN 211596410 U CN211596410 U CN 211596410U
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- towing rope
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- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a main push-towing rope strand tension adjusting device relates to bridge main push-towing rope construction technical field for tension between adjustment main push-towing rope strand and the stock, main push-towing rope strand tip is equipped with strand anchor head, the member of stock for having U type groove, the device include step, bolster, jacking subassembly and pass power subassembly. The step is arranged in the U-shaped groove of the anchor rod. The cushion seat is arranged in the U-shaped groove of the anchor rod and is abutted against the step; the jacking assembly is arranged in the U-shaped groove of the anchor rod and comprises a base and an ejector rod, and the base abuts against the cushion seat; the force transmission assembly is arranged in a U-shaped groove of the anchor rod, one end of the force transmission assembly is detachably connected with the cable strand anchor head, and the other end of the force transmission assembly is abutted to the ejector rod. The utility model discloses a main push-towing rope strand tension adjusting device, its occupation space is less, conveniently adjusts main push-towing rope strand tension.
Description
Technical Field
The utility model relates to a bridge main push-towing rope construction technical field, concretely relates to main push-towing rope strand tension adjusting device.
Background
The suspension bridge is a bridge using a cable rope or a chain rope bearing tension as a main bearing component and comprises a suspension cable, a cable tower, an anchorage, a suspender, a bridge deck system and the like. The main bearing member of the suspension bridge is a suspension cable (main cable), which mainly bears tension and is generally made of steel (steel wires, steel cables, etc.) with high tensile strength. The suspension bridge can fully utilize the strength of materials and has the characteristics of material saving and light dead weight, so that the span capacity of the suspension bridge in various systems of bridges is maximum, and the span can reach more than 1000 meters.
In the main push-towing rope construction of suspension bridge, need carry out tension adjustment to the main push-towing rope strand, the tension of main push-towing rope strand is very big, and the stretch-draw frame of strand stretch-draw need be set up in current traditional construction, and certain main push-towing rope of bridge comprises 200 many strands, and the interval is less between the stock of every strand, and the construction space of stretch-draw frame is limited, and constructor operation is inconvenient, influences the efficiency of construction.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a main push-towing rope strand tension adjusting device, its occupation space is less, conveniently adjusts main push-towing rope strand tension.
In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a main push-towing rope strand tension adjusting device for tension between adjustment main push-towing rope strand and the stock, main push-towing rope strand tip is equipped with strand anchor head, the stock is the member that has U type groove, includes:
the step is arranged in the U-shaped groove of the anchor rod;
the cushion seat is arranged in the U-shaped groove of the anchor rod and is abutted against the step;
the jacking assembly is arranged in the U-shaped groove of the anchor rod and comprises a base and an ejector rod, and the base abuts against the cushion seat;
and the force transmission assembly is arranged in the U-shaped groove of the anchor rod, one end of the force transmission assembly is detachably connected with the cable strand anchor head, and the other end of the force transmission assembly is abutted to the ejector rod.
On the basis of the technical scheme, the force transmission assembly comprises a first sleeve, a screw and a fastening nut, one end of the first sleeve is in threaded connection with the cable strand anchor head, the other end of the first sleeve is in threaded connection with the screw, the screw is connected with the fastening nut, and the fastening nut abuts against the ejector rod.
On the basis of the technical scheme, the force transmission assembly further comprises a second sleeve, one end of the second sleeve is connected with the screw rod, and the other end of the second sleeve is connected with the fastening nut.
On the basis of the technical scheme, the screw is finish-rolled deformed steel bar.
On the basis of the technical scheme, the diameter of the screw is 12-16 mm, and the length of the screw is 800-1000 mm.
On the basis of the technical scheme, the jacking assembly is a cylindrical hollow hydraulic jack.
On the basis of the technical scheme, the jacking assembly is provided with a pressure display.
On the basis of the technical scheme, the outer diameter of the jacking assembly does not exceed 250 mm.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a main push-towing rope strand tension adjusting device, step, base, jacking subassembly and pass the power subassembly and all locate the U type groove structure of stock in, in limited space, the jacking subassembly acts on strand anchor head through passing the power subassembly, with strand anchor head jacking to predetermined tension, reach the inside tensile purpose of adjustment main push-towing rope strand. Furthermore, the utility model discloses a main cable strand tension adjusting device's base, jacking subassembly and biography power subassembly can dismantle the repeated installation, continue the tension adjustment of next main cable strand, and use cost is low.
Drawings
Fig. 1 is a schematic structural view of a main cable strand tension adjusting device in an embodiment of the present invention;
fig. 2 is another schematic structural view of the main cable strand tension adjusting device according to the embodiment of the present invention;
in the figure: 1. a pad seat; 2. a jacking assembly; 21. a base; 22. a top rod; 3. a force transfer assembly; 31. a first sleeve; 32. a screw; 33. tightening the nut; 34. a second sleeve; 4. a step; 5. a cable anchor head; 6. a main cable strand; 7. an anchor rod; 8. a U-shaped groove; 9. a gap.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a main cable strand tension adjusting device for adjusting tension between a main cable strand 6 and an anchor rod 7, wherein a strand anchor head 5 is disposed at an end of the main cable strand 6, and the anchor rod 7 is a rod having a U-shaped groove 8, including: step 4, base 1, jacking subassembly 2 and biography power subassembly 3.
The step 4 is arranged in a U-shaped groove 8 of the anchor rod 7. The cushion seat 1 is arranged in a U-shaped groove 8 of the anchor rod 7 and is abutted against the step 4. The jacking component 2 is arranged in the U-shaped groove 8 of the anchor rod 7, the jacking component 2 comprises a base 21 and an ejector rod 22, and the base 21 is abutted against the cushion seat 1. The force transmission component 3 is arranged in a U-shaped groove 8 of the anchor rod 7, one end of the force transmission component 3 is detachably connected with the cable strand anchor head 5, and the other end of the force transmission component is propped against the ejector rod 22.
Compared with the prior art, the utility model discloses main cable strand tension adjusting device, step 4, base 1, jacking subassembly 2 and pass power subassembly 3 and all locate in the U type groove 8 structure of stock 7. Meanwhile, the jacking component 2 acts on the strand anchor head 5 through the force transmission component 3 to jack the strand anchor head 5 to a preset tension, so that the purpose of adjusting the internal tension of the main cable strand 6 is achieved. The utility model discloses main cable strand tension adjusting device utilizes the U type groove 8 structure of stock 7, just can adjust 6 internal tension of main cable strand in limited space, and this 6 tension adjusting device of main cable strand's backing block 1, jacking subassembly 2 and biography power subassembly 3 can dismantle the repeated installation moreover, continues the tension adjustment of next main cable strand 6, and use cost is low.
In a preferred embodiment, the force transmission assembly 3 comprises a first sleeve 31, a screw rod 32 and a fastening nut 33, wherein one end of the first sleeve 31 is in threaded connection with the strand anchor head 5, the other end of the first sleeve is in threaded connection with the screw rod 32, the screw rod 32 is connected with the fastening nut 33, and the fastening nut 33 abuts against the ejector rod 22. Specifically, when the push rod 22 acts on the tightening nut 33, the screw 32 and the first sleeve 31 transmit the force of the push rod 22 to the strand anchor head 5, i.e., the main cable strand 6 is under tension. Preferably, the screw 32 is finish-rolled deformed steel bar, and the screw 32 has a diameter of 12-16 mm and a length of 800-1000 mm.
In a preferred embodiment, the force transmission assembly 3 further comprises a second sleeve 34, the second sleeve 34 being connected at one end to the threaded rod 32 and at the other end to the tightening nut 33.
As a preferred embodiment, the jacking component 2 is a cylindrical hollow hydraulic jack, and the hollow hydraulic jack is convenient for the force transmission component 3 to penetrate through and abut against the ejector rod 22 of the jacking component 2. Preferably, the jacking assembly 2 is provided with a pressure display, so that a constructor can visually confirm the tension of the main cable strand 6. Further, the outer diameter of the jacking assembly 2 is not more than 250mm, and the jacking assembly is convenient to install in the U-shaped groove 8 structure of the anchor rod 7.
The utility model discloses main cable strand tension adjusting device's theory of use does:
referring to fig. 1 and 2, the step 4 is welded in the U-shaped groove 8 of the anchor rod 7, and the pad 1 is disposed in the U-shaped groove 8 of the anchor rod 7 and abuts against the step 4. One end of a first sleeve 31 of the force transmission component 3 is in threaded connection with the strand anchor head 5, the other end of the first sleeve is in threaded connection with a screw rod 32, and the screw rod 32 is connected with a fastening nut 33. The base 21 of the jacking component 2 is propped against the cushion seat 1, and the mandril 22 is propped against the fastening nut 33. When the push rod 22 acts on the tightening nut 33, the screw 32 and the first sleeve 31 transmit the acting force of the push rod 22 to the strand anchor head 5, i.e. the main strand 6 is under tension. A certain gap is formed between the anchor head 5 of the main cable strand and the anchor rod 7, a cushion block is filled in the gap 9, then the acting force of the ejector rod 22 is removed, and the tension adjustment of the main cable strand 6 is completed.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (8)
1. The utility model provides a main push-towing rope strand tension adjusting device for tension between adjustment main push-towing rope strand and the stock, main push-towing rope strand tip is equipped with strand anchor head, the stock is the member that has U type groove, its characterized in that includes:
the step (4) is arranged in the U-shaped groove of the anchor rod;
the cushion seat (1) is arranged in the U-shaped groove of the anchor rod and is abutted against the step (4);
the jacking assembly (2) is arranged in the U-shaped groove of the anchor rod, the jacking assembly (2) comprises a base (21) and an ejector rod (22), and the base (21) is abutted against the cushion seat (1);
the force transmission component (3) is arranged in the U-shaped groove of the anchor rod, one end of the force transmission component (3) is detachably connected with the cable strand anchor head, and the other end of the force transmission component is abutted to the ejector rod (22).
2. The main-cable-strand tensioning device according to claim 1, wherein:
the force transmission assembly (3) comprises a first sleeve (31), a screw rod (32) and a fastening nut (33), one end of the first sleeve (31) is in threaded connection with the cable strand anchor head, the other end of the first sleeve is in threaded connection with the screw rod (32), the screw rod (32) is connected with the fastening nut (33), and the fastening nut (33) is abutted to the ejector rod (22).
3. The main-cable-strand tensioning device according to claim 2, wherein: the force transmission assembly (3) further comprises a second sleeve (34), one end of the second sleeve (34) is connected with the screw rod (32), and the other end of the second sleeve (34) is connected with the fastening nut (33).
4. The main-cable-strand tensioning device according to claim 2, wherein: the screw (32) is finish-rolled deformed steel bar.
5. The main-cable-strand tensioning device according to claim 2, wherein: the screw (32) is 12-16 mm in diameter and 800-1000 mm in length.
6. The main-cable-strand tensioning device according to claim 1, wherein: the jacking component (2) is a cylindrical hollow hydraulic jack.
7. The main-cable-strand tensioning device according to claim 6, wherein: the jacking assembly (2) is provided with a pressure display.
8. The main-cable-strand tensioning device according to claim 6, wherein: the outer diameter of the jacking assembly (2) is not more than 250 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721565.3U CN211596410U (en) | 2019-10-14 | 2019-10-14 | Main cable strand tension adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721565.3U CN211596410U (en) | 2019-10-14 | 2019-10-14 | Main cable strand tension adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211596410U true CN211596410U (en) | 2020-09-29 |
Family
ID=72585767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921721565.3U Active CN211596410U (en) | 2019-10-14 | 2019-10-14 | Main cable strand tension adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211596410U (en) |
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2019
- 2019-10-14 CN CN201921721565.3U patent/CN211596410U/en active Active
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