CN209538038U - A kind of cable tension device - Google Patents
A kind of cable tension device Download PDFInfo
- Publication number
- CN209538038U CN209538038U CN201822197226.1U CN201822197226U CN209538038U CN 209538038 U CN209538038 U CN 209538038U CN 201822197226 U CN201822197226 U CN 201822197226U CN 209538038 U CN209538038 U CN 209538038U
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- China
- Prior art keywords
- screw rod
- anchor head
- centre
- tension device
- rod anchor
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Abstract
The utility model discloses a kind of cable tension device, it to be used for drag-line, one end of drag-line has a steel for wire drawing, and cable tension device includes jack assembly, packet centre-hole jack, support portion and connector, and centre-hole jack is connect by connector with support portion；Extending assembly, it includes the first screw rod anchor head, screw rod and nut, first screw rod anchor head has internal screw thread and external screw thread, and it is connect with steel for wire drawing, one end of screw rod is connect with the first screw rod anchor head, the other end sequentially passes through support portion and centre-hole jack, and is fixed by nut and centre-hole jack.The utility model can replace extending assembly according to drag-line power difference, whole again after assembling before construction to be hung to stretching end, be suspended on the interim platform sling of main component, then carry out tension operation, realize quick, the convenient operation of inclined guy cable stretching construction.
Description
Technical field
The utility model belongs to technical field of bridge construction, in particular to a kind of cable tension device.
Background technique
In CONSTRUCTION OF CABLE-STAYED BRIDGE, after the tower end of suspension cable or beam-ends are installed into rope anchor tube, stretching construction need to be carried out.Due to oblique
The stretching end position of drag-line is generally hanging, beneath no supporting surface, installs jack and when extension bar, jack and extension bar compared with
Weight generally requires and additional support frame and operating platform is arranged.Support frame, jack and extension bar are scattered component, bad
Lifting is in place, operating platform is weaker especially under beam or tower in narrow space in the case where, operate more aobvious difficulty.
Utility model content
For the technical problems in the prior art, the utility model provides a kind of cable tension device, it can be achieved that fast
Fast, convenient construction.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of cable tension device, is used for drag-line, and one end of the drag-line has steel for wire drawing, the cable tension device
Including
Jack assembly, packet centre-hole jack, support portion and connector, the centre-hole jack pass through connector
It is connect with support portion；
Extending assembly comprising the first screw rod anchor head, screw rod and nut, the first screw rod anchor head is with internal screw thread and outside
Screw thread, and connecting with steel for wire drawing, one end of the screw rod is connect with the first screw rod anchor head, the other end sequentially pass through support portion and
Centre-hole jack, and fixed by nut and centre-hole jack.
Preferably, the support portion includes fulcrum bearing and pedestal, the pedestal is connected to the top surface of support base, the bottom
The center of seat and support base all has the centre bore passed through for screw rod anchor head and screw rod.
Preferably, the shape in the vertical section of the support base is U-shaped.
Preferably, the side of the support base is equipped with platform sling.
Preferably, the connector includes side plate and connection bolt, multiple side plates are distributed in the side of pedestal, institute
State that side plate is L-shape, one end of the side plate is connect with pedestal, the bolt hole that the other end passes through connection bolt and centre-hole jack
Connection.
Preferably, the extending assembly further includes having the second screw rod anchor head, the second screw rod anchor head is socketed on first
In screw rod anchor head, one end of the screw rod is connect by the second screw rod anchor head with the first screw rod anchor head.
Preferably, the nut is equipped with spanner.
Compared with prior art, beneficial effect possessed by the utility model is: the utility model can be according to drag-line power not
Extending assembly is replaced together, it is whole again after being assembled before construction to be hung to stretching end, it is suspended on the interim platform sling of main component, then
Tension operation is carried out, quick, the convenient operation of inclined guy cable stretching construction is realized.
Detailed description of the invention
Fig. 1 is in the utility model using a kind of broken section structural representation of cable tension device of major diameter screw rod
Figure；
Fig. 2 is in the utility model using a kind of broken section structural representation of cable tension device of minor diameter screw rod
Figure；
Fig. 3 is the present invention looks up structural representation of one of the utility model cable tension device；
Fig. 4 is the schematic view of the front view of one of the utility model support portion of cable tension device；
Fig. 5 is the overlooking structure diagram of one of the utility model support portion of cable tension device.
Specific embodiment
It is with reference to the accompanying drawing and specific real to make those skilled in the art better understand the technical solution of the utility model
Example is applied to elaborate to the utility model.
As shown in Figures 1 to 5, the embodiments of the present invention disclose a kind of cable tension device, are used for drag-line 11, draw
One end of rope has steel for wire drawing 12, and cable tension device includes jack assembly and extending assembly, jack assembly packet punching
Formula jack 1, support portion and connector, centre-hole jack 1 include bolt hole and hang bolt, and centre-hole jack 1 passes through company
Fitting is connect with support portion；Extending assembly includes the first screw rod anchor head 4, screw rod 5 and nut 6, and the first screw rod anchor head 4 has interior spiral shell
Line and external screw thread are connected by external screw thread with steel for wire drawing, are connected by internal screw thread with screw rod 5；Screw rod 5 has external screw thread,
One end of screw rod 5 is connect with the first screw rod anchor head 4, and the other end sequentially passes through support portion and centre-hole jack 1, and passes through nut
6 is fixed with centre-hole jack 1.Nut 6 is equipped with spanner 10, facilitates personnel to carry out torquing operations, and can carry out as suspension centre
Lifting.
In the present embodiment, support portion includes fulcrum bearing 2 and pedestal 3, and pedestal 3 is connected to the top surface of support base 2, and pedestal 3 is
Discoid, the center of pedestal 3 and support base 2 all has the centre bore passed through for screw rod anchor head and screw rod.
In the present embodiment, the shape in the vertical section of support base 2 is U-shaped, and fulcrum bearing 2 is made to have the structure shape of both-side opening
Formula, in order to carry out applying stubborn operation to anchor circle during cable tension.The side of support base 2 is equipped with platform sling 7, hangs convenient for dress.
In the present embodiment, connector includes side plate 8 and connection bolt, and multiple side plates 8 are distributed in the side of pedestal 3, side plate 8
L-shape, one end of side plate 8 is connect with pedestal 3, and the other end is connect by connecting bolt with the bolt hole of centre-hole jack 1, with
It can be disassembled convenient for centre-hole jack 1, be used for other tensioning purposes.
Extending assembly can use different form can when inclined guy cable stretching power is smaller according to the size of inclined guy cable stretching power
The form covered using screw rod anchor head multilayer, as shown in Fig. 2, extending assembly further includes having the second screw rod anchor head 9, the second screw rod anchor head
9 are socketed in 4, the first screw rod anchor, i.e., cover a small screw rod anchor head again in the first screw rod anchor head 4, and one end of screw rod 5 is logical
The second screw rod anchor head 9 is crossed to connect with the first screw rod anchor head 4.Screw rod 5 correspondingly uses minor diameter screw rod, the internal diameter of nut 6 also phase
Should change (since the jack of nut load contact surface is open-core type, so nut outer diameter does not change, it is only corresponding to reduce internal diameter),
By reducing the diameter, it can reduce equipment self-weight, reduce cost of equipment, while also improving construction efficiency.
The implementation of cable tension device in the utility model the following steps are included:
A, it makes the component of supporting part and connector: first cylinder iron casting fulcrum bearing 2 processed, then make pedestal 3 and side with steel plate
Plate 8.
B, it makes extending assembly: cylinder iron casting the screw rod anchor head of two kinds of diameters, screw rod anchor head has external screw thread and internal screw thread；
The screw rod 5 of two kinds of diameters is cylinder iron cast, screw rod 5 has external screw thread；The nut 6 of two kinds of diameters is cylinder iron cast, nut 6 has interior spiral shell
Line.
C, purchase jack: buying market finished product centre-hole jack 1, centre-hole jack 1 should include bolt hole and
Hang bolt.
D, it assembles tensioning equipment: pedestal 3 being soldered in fulcrum bearing 2, centre-hole jack 1 is seated on pedestal 3, then
It welds 3 on side plate 8 to pedestal, and side plate 8 is connected firmly by connecting the bolt hole of bolt and centre-hole jack 1, complete
The assembling of integral type jacking equipment.Screw rod 5 is passed through into integral type jacking equipment, both ends connect with screw rod anchor head and nut respectively
It connects, to complete the assembling of tensioning equipment.
E, it lifts tensioning equipment: tensioning equipment is integrally hung to the drawing under beam or in tower using crane or hoist and traction apparatus
Cable stretching position, then with jack hook connect the platform sling 7 of tensioning equipment, hang bolt, it then hangs to the interim platform sling of beam or tower member,
Tensioning equipment is adjusted by pulling-down jack accurately to dock with steel for wire drawing, completes tensioning equipment installation.
F, inclined guy cable stretching is constructed: after tensioning equipment installation is in place, connecting oil pump, oil pipe, starting centre-hole jack 1 is opened
Beginning tension operation.In stretching process, stubborn anchor circle is applied in time, after oil return, applies stubborn nut in time, until tensioning is completed.
Support frame need to be additionally arranged when solving inclined guy cable stretching in cable tension device in the utility model, and tensioning is set
The more difficult problem of standby lifting, operation, finishes, hanging and tune is rapidly completed to tensioning position in integral hoisting in assembled off-site
It is whole, installation effectiveness is improved, is then hung on the suspension centre of main component by suspension centre, and jack is fixed in device, entirely
Device is stable and firm during stretching construction, no security risk, and stretching construction quality is also more secure.Complete equipment can be used for
In the stretching construction of the rope of various engineering, have a wide range of application, turnover is using often, and construction efficiency is high, remarkable in economical benefits.
Above embodiments are only the exemplary embodiment of the utility model, are not used in limitation the utility model, this is practical new
The protection scope of type is defined by the claims.Those skilled in the art can be in the essence and protection scope of the utility model
It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling in originally practical new
In the protection scope of type.
Claims (7)
1. a kind of cable tension device, is used for drag-line, one end of the drag-line has steel for wire drawing, which is characterized in that the drawing
Cable stretching device includes
Jack assembly, packet centre-hole jack, support portion and connector, the centre-hole jack pass through connector and branch
Support part connection；
Extending assembly comprising the first screw rod anchor head, screw rod and nut, the first screw rod anchor head have internal screw thread and outer spiral shell
Line, and connect with steel for wire drawing, one end of the screw rod is connect with the first screw rod anchor head, and the other end sequentially passes through support portion and wears
Core type jack, and fixed by nut and centre-hole jack.
2. a kind of cable tension device according to claim 1, which is characterized in that the support portion includes fulcrum bearing and bottom
Seat, the pedestal are connected to the top surface of support base, and the center of the pedestal and support base all has for screw rod anchor head and screw rod
The centre bore passed through.
3. a kind of cable tension device according to claim 2, which is characterized in that the shape in the vertical section of the support base
For U-shaped.
4. a kind of cable tension device according to claim 2, which is characterized in that the side of the support base is equipped with and hangs
Plate.
5. a kind of cable tension device according to claim 2, which is characterized in that the connector includes side plate and connection
Bolt, multiple side plates are distributed in the side of pedestal, and the side plate is L-shape, and one end of the side plate is connect with pedestal, another
End is connected by the bolt hole of connection bolt and centre-hole jack.
6. a kind of cable tension device according to claim 1, which is characterized in that the extending assembly further includes having second
Screw rod anchor head, the second screw rod anchor head are socketed in the first screw rod anchor head, and one end of the screw rod passes through the second screw rod anchor head
It is connect with the first screw rod anchor head.
7. a kind of cable tension device according to claim 1, which is characterized in that the nut is equipped with spanner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822197226.1U CN209538038U (en) | 2018-12-25 | 2018-12-25 | A kind of cable tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822197226.1U CN209538038U (en) | 2018-12-25 | 2018-12-25 | A kind of cable tension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209538038U true CN209538038U (en) | 2019-10-25 |
Family
ID=68266495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822197226.1U Active CN209538038U (en) | 2018-12-25 | 2018-12-25 | A kind of cable tension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209538038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924531A (en) * | 2019-11-14 | 2020-03-27 | 绍兴文理学院 | Device suitable for stretch-draw overall structure construction |
-
2018
- 2018-12-25 CN CN201822197226.1U patent/CN209538038U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924531A (en) * | 2019-11-14 | 2020-03-27 | 绍兴文理学院 | Device suitable for stretch-draw overall structure construction |
| CN110924531B (en) * | 2019-11-14 | 2020-12-25 | 绍兴文理学院 | Device suitable for stretch-draw overall structure construction |
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| GR01 | Patent grant |