CN110029822A - A kind of tension adjusting device of rope Zhi Muliang - Google Patents
A kind of tension adjusting device of rope Zhi Muliang Download PDFInfo
- Publication number
- CN110029822A CN110029822A CN201910374870.8A CN201910374870A CN110029822A CN 110029822 A CN110029822 A CN 110029822A CN 201910374870 A CN201910374870 A CN 201910374870A CN 110029822 A CN110029822 A CN 110029822A
- Authority
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- China
- Prior art keywords
- tension
- zhi
- rope
- muliang
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 239000002023 wood Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
A kind of tension adjusting device of rope Zhi Muliang automatically keeps unit, tension display unit and tension adjustment unit by tension and forms.The tension adjustment unit is made of two opposite screw rods of nut and screw thread, and wherein the strut of a screw rod and rope Zhi Muliang is wholely set, another screw rod and the movable end of the tension display unit are wholely set, the tension automatically keeps unit and is then fixed on wooden frame, and the inside and outside sleeve that can be slided relatively is provided with compressed spring.In this way, the nut in rotating tension adjustment unit, can be realized the tension adjustment to rope Zhi Muliang, the size of tension is read by the pressure gauge in tension display unit, and tension keeps automatically keeping the realization of the compressed spring in unit by tension.The tension adjusting device structure of Ben Suozhi wooden frame is simple, easy to use, and adjustment is accurate, can long-acting holding tension, be suitble to span it is biggish in, large size rope Zhi Muliang use.
Description
Technical field
The present invention relates to the tension adjusting devices of rope Zhi Muliang a kind of, and in particular to it is a kind of using screw mechanism, oil cylinder and
Compressed spring, and show the tension adjusting device of the rope Zhi Muliang of Tensity size, it is suitable for Zhi Muliang across rope greatly and uses.
Background technique
Currently, well known Suo Zhiliang (including rope Zhi Gangliang and rope Zhi Muliang etc.) is mainly by beam (including girder steel and wooden frame
Deng), cable wire, the composition such as strut and tension adjusting device.The main screw rod and spiral shell by being mounted on strut of its tension adjusting device
Mother's composition, adjusts the length of strut, by rotation screw rod or nut so as to adjust the tension of cable wire.Due to tension size without
Method is shown, thus is difficult accurately to adjust the tension of Suo Zhiliang, can only be generally adjusted by rule of thumb.Suo Zhiliang works one section
After time, cable wire can because expanding with heat and contract with cold, the reasons such as creep there is stress relaxation；For rope Zhi Muliang, wooden frame (including solid wood beam,
Glued wooden frame etc.) itself also creep and stress relaxation can be generated under long-term work load because of the variation of moisture content, temperature etc..
Once there is stress relaxation in cable wire and (or) wooden frame, and the tension of cable wire will decline rapidly, it should readjust of Suo Zhiliang
Power.But since the size of tension is not shown, does not know the degree of tension decline, be difficult to be adjusted in time.Until discovery beam goes out
It goes to adjust again after having showed apparent deformation (downwarp), it tends to be difficult to restore its deformation, cause irremediable loss.
If a kind of rope Zhi Muliang, Tensity size can be shown, and its tension can be answered in cable wire and/or wooden frame
It can effectively be maintained for a long time and will not decline rapidly when power relaxation, then not only can timely and accurately adjust of rope Zhi Muliang
The size of power can also effectively reduce the number of adjustment, will be deeply by the welcome of user.
Summary of the invention
The technical problems to be solved by the present invention are: the Tensity size for existing rope Zhi Muliang cannot be shown, and its
Power declines rapidly when stress relaxation can occur because of cable wire and (or) wooden frame, and cannot it is accurate, in time, adjust rope Zhi Muliang longer
The deficiency of tension, provide it is a kind of can show Tensity size and effectively keep tension, can it is accurate, in time, adjust tension longer
The tension adjusting device of the rope Zhi Muliang of size.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of tension adjustment dress of rope Zhi Muliang
It sets, its main feature is that, which automatically keeps unit by tension adjustment unit, tension display unit and tension and forms；The tension tune
Whole unit is made of nut, the first screw rod and the second screw rod, and first screw rod and the second screw rod are fixed at the nut interior respectively
Both ends, first screw rod and the second screw flight are contrary；And the strut of second screw rod and rope Zhi Muliang is wholely set,
The movable end of first screw rod and the hydraulic cylinder of the tension display unit is wholely set, which is simultaneously connected with a pressure gauge；
The tension automatically keeps unit and is set between the hydraulic cylinder and the wooden frame of rope Zhi Muliang, and between the wooden frame and the hydraulic cylinder
Contact has compressed spring.
It further includes having inner sleeve and outer sleeve that the tension, which automatically keeps unit,；Wooden frame is fixed in one end of the inner sleeve
On, the other end has outer step；One end of the outer sleeve is fixed on the hydraulic cylinder, and the other end has interior step, and the housing
Cylinder can be slided up and down relative to the inner sleeve, guarantee that tension automatically keeps unit and will not show list with tension by inside and outside step
Member is detached from；The compressed spring is placed in the accommodating space that inner sleeve and outer sleeve are formed.
It further includes having pedestal that the tension, which automatically keeps unit, which is fixed by the pedestal with wooden frame, and the pressure
The both ends difference contact of contracting spring is in the pedestal and the hydraulic cylinder.
The hydraulic cylinder is piston-type hydraulic cylinder or plunger-type cylinder, and aforementioned movable end is piston rod at this time
Or plunger rod.
In this way, the tension adjustment to rope Zhi Muliang can be realized by the nut in rotating tension adjustment unit in the present apparatus,
And automatically keep its tension in a certain range.The size of tension is read in real time by the pressure gauge in tension display unit,
Effective holding of power automatically keeps the compressed spring in unit by tension and realizes.The tension adjusting device structure letter of Ben Suozhi wooden frame
Single, easy to use, adjustment is accurate or long-acting holding tension, be suitble to span it is biggish in, large size rope Zhi Muliang use.
Detailed description of the invention
Fig. 1 is rope Zhi Muliang overall structure diagram of the invention.
Fig. 2 is the structure working principle schematic diagram of tension adjusting device of the invention.
Specific embodiment
Referring to Fig. 1 and Fig. 2, the present invention is the tension adjusting device of rope Zhi Muliang a kind of, rope Zhi Muliang compared with technology,
It mainly include wooden frame 1, cable wire 2 and strut 3, the both ends of cable wire 2 are anchored at the both ends of wooden frame 1 respectively, and cable wire 2 passes through under strut 3
The pressure tank 31 at end simultaneously supports strut 3, and then supports wooden frame 1.And the tension adjusting device is shown by tension adjustment unit 4, tension
Show that unit 5 and tension automatically keep the composition of unit 6, in which:
The tension adjustment unit 4 is made of nut 41, the first screw rod 42 and the second screw rod 43.First screw rod 42 and the second screw rod
43 are fixed at the inside both ends of the nut 41 and hand of spiral is opposite respectively；The hand of spiral at the 41 inside both ends of nut respectively with
The screw thread of first screw rod 42 and the second screw rod 43 is corresponding；And second screw rod 43 is wholely set with the strut 3；
The tension display unit 5 is made of hydraulic cylinder 51 and pressure gauge 52.The hydraulic cylinder 51 is piston-type hydraulic cylinder or plunger type
Hydraulic cylinder is illustrated by taking piston-type hydraulic cylinder as an example in the present embodiment, the piston rod 511 of the hydraulic cylinder 51 and first spiral shell
Bar 42 is wholely set；The pressure gauge 52 is connect by oil pipe 53 with the hydraulic oil 512 of the hydraulic cylinder 51 so that hydraulic oil 512 by
The hydraulic coupling that pressure generates is transferred to pressure gauge 52 by oil pipe 53 and shows pressure value；
The tension automatically keeps unit 6 and is made of pedestal 61, inner sleeve 62, compressed spring 63 and outer sleeve 64.The pedestal 61 is solid
Due to the lower surface of wooden frame 1；One end of the inner sleeve 62 is fixed on pedestal 61, and the other end has outer step 621；The outer sleeve
64 one end is fixed on the cylinder body 513 of hydraulic cylinder 51, and the other end has interior step 641, and the outer sleeve 64 can be relative to this
Inner sleeve 62 slides up and down, and the inside and outside step (641,621) can guarantee that tension automatically keeps unit 6 and will not show with tension
Unit 5 is detached from；The compressed spring 63 is placed in the accommodating space that inner sleeve 62 and outer sleeve 64 are formed, and both ends are pushed up respectively
It is butted on the pedestal 61 and cylinder body 513.
In use, the nut 41 of rotating tension adjustment unit 4, then the first screw rod 42 and the second screw rod 43 are because of its hand of spiral
It mutually generates and moves toward one another instead, strut 3 occurs flexible.Rotating nut 41 extends downwardly strut 3, and cable wire 2 will gradually be opened
Tightly, tension reacts on strut 3 by pressure tank 31, passes to piston rod 511 by tension adjustment unit 4, and acts on
Hydraulic oil 512 in tension display unit 5 makes its compression hydrodynamic force, which is transferred to pressure gauge 52 by oil pipe 53
And show its pressure value.Meanwhile it reacting on the power on strut 3 and can also be passed by tension adjustment unit 4 and tension display unit 5
Be handed to tension and automatically keep unit 6, make its compressed spring 63 generate compression and with act on 3 end pressure tank 31 of strut come
It balances each other from the reaction force of the tension of cable wire 2.Nut 41 is continued to rotate, strut 3 is made to continue to extend downwardly, the tension of cable wire 2
It further increases, hydraulic oil 512 is further pressurized, and oil pressure continues to increase (reading of pressure gauge 52 increases), 63 quilt of compressed spring
Further compression.Stop operating nut 41 when the pressure shown on pressure gauge 52 reaches the setting value upper limit, by compressed spring
The energy of 63 accumulations automatically keeps the pressure of hydraulic oil 512 and the tension of cable wire 2.When cable wire 2 and/or wooden frame 1 are due to certain
And when there is stress relaxation, the energy that compressed spring 63 is accumulated compensates to avoid to it the tension of cable wire 2 and hydraulic
The rapid pressure drop of oil 512.The tension of rope Zhi Muliang long-term work under load action, cable wire 2 gradually will slowly decline,
Shown pressure value gradually slowly reduces on pressure gauge 52, when its pressure value is reduced to set lower limit value, turns again
Dynamic nut 41, until pressure shown on pressure gauge 52 reaches the upper limit value of defined.It repeatedly, can be accurately
The tension of rope Zhi Muliang is adjusted, and automatically keeps its tension in a certain range.In this way, the tension adjustment of Ben Suozhi wooden frame fills
Set, structure is simple, easy to use, adjustment is accurate, tension is kept for a long time, be suitble to span it is biggish in, large size rope Zhi Muliang use.
In this way, the tension adjustment to rope Zhi Muliang can be realized by the nut in rotating tension adjustment unit 4 for the present apparatus,
The size of tension can be read in real time by the pressure gauge 52 in tension display unit 5, and effective holding of tension is protected automatically by tension
The compressed spring 63 held in unit 6 is realized.To be checked as shown in pressure gauge (such as half a year, two months) at regular intervals
Pressure, when its pressure value is reduced to set lower limit value, rotating nut again, until pressure shown on pressure gauge is again
Until the secondary upper limit value for reaching defined.And so on, it can be ensured that the tension of rope Zhi Muliang is continuously maintained in reasonable range.
Supporting force needed for tension needed for the cable wire 2 being related to and strut 3 can be according to relevant parameter (span, institute such as rope Zhi Muliang 1
The load etc. of receiving) calculate (or estimation).
In a preferred embodiment, which is solid wood straight beam, laminated wood straight beam (span is less than 10 m), laminated wood song
Beam (span is less than 20 m) or timber truss etc..
In a preferred embodiment, which is hex nut or Electric nut (being driven by a motor) etc..
Claims (6)
1. a kind of tension adjusting device of rope Zhi Muliang, which is characterized in that the device is shown by tension adjustment unit (4), tension
Unit (5) and tension automatically keep unit (6) composition；The tension adjustment unit (4) is by nut (41), the first screw rod (42) and
Two screw rods (43) composition, first screw rod (42) and the second screw rod (43) are fixed at both ends inside the nut (41) respectively, this
The hand of spiral of one screw rod (42) and the second screw rod (43) is opposite；And the strut (3) one of second screw rod (43) and rope Zhi Muliang
Body setting, the movable end of first screw rod (42) and the hydraulic cylinder (51) of the tension display unit (5) are wholely set, this is hydraulic
(51) and a pressure gauge (52) are connected with；The tension automatically keeps unit (6) and is set to the hydraulic cylinder (51) and rope Zhi Muliang's
Between wooden frame (1), and contact has compressed spring (63) between the wooden frame (1) and the hydraulic cylinder (51).
2. a kind of tension adjusting device of rope Zhi Muliang as described in claim 1, which is characterized in that the tension is automatically kept
Unit (6) further includes having inner sleeve (62) and outer sleeve (64)；One end of the inner sleeve (62) is fixed on wooden frame (1), another
End has outer step (621)；One end of the outer sleeve (64) is fixed on the hydraulic cylinder (51), and the other end has interior step
(641), and the outer sleeve (64) can be slided up and down relative to the inner sleeve (62), guarantee to open by inside and outside step (641,621)
Power automatically keeps unit (6) and will not be detached from tension display unit (5)；The compressed spring (63) be placed in inner sleeve (62) and
In the accommodating space that outer sleeve (64) is formed.
3. a kind of tension adjusting device of rope Zhi Muliang as claimed in claim 2, which is characterized in that the tension is automatically kept
Unit (6) further includes having pedestal (61), and the inner sleeve (62) is fixed by the pedestal (61) and the wooden frame (1).
4. a kind of tension adjusting device of rope Zhi Muliang as described in claim 1, which is characterized in that the hydraulic cylinder (51) is
Piston-type hydraulic cylinder or plunger-type cylinder.
5. a kind of tension adjusting device of rope Zhi Muliang as described in claim 1, which is characterized in that the wooden frame (1) is real
The wooden straight beam, laminated wood straight beam, laminated wood curved beam or timber truss.
6. a kind of tension adjusting device of rope Zhi Muliang as described in claim 1, which is characterized in that the nut (41) is six
Angle nut or Electric nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910374870.8A CN110029822B (en) | 2019-05-07 | 2019-05-07 | Tension adjusting device for cable-supported wood beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910374870.8A CN110029822B (en) | 2019-05-07 | 2019-05-07 | Tension adjusting device for cable-supported wood beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110029822A true CN110029822A (en) | 2019-07-19 |
| CN110029822B CN110029822B (en) | 2024-03-05 |
Family
ID=67241369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910374870.8A Active CN110029822B (en) | 2019-05-07 | 2019-05-07 | Tension adjusting device for cable-supported wood beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110029822B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046388A (en) * | 1989-04-13 | 1990-10-24 | 浙江省建筑科学研究所 | Gentle rope component detection method of wire tensioning force and detector |
| CN2704036Y (en) * | 2004-04-14 | 2005-06-08 | 赵勋海 | Pretightening dynamometer for prestressed structure |
| CN103183268A (en) * | 2011-12-28 | 2013-07-03 | 株式会社日立建筑系统 | Rope tension adjusting device and rope tension adjusting system |
| CN106586849A (en) * | 2016-12-27 | 2017-04-26 | 中国冶集团有限公司 | Automatic adjusting device and method of crane auxiliary bracing |
| CN210086843U (en) * | 2019-05-07 | 2020-02-18 | 中南林业科技大学 | Tension adjusting device of cable-supported wood beam |
-
2019
- 2019-05-07 CN CN201910374870.8A patent/CN110029822B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046388A (en) * | 1989-04-13 | 1990-10-24 | 浙江省建筑科学研究所 | Gentle rope component detection method of wire tensioning force and detector |
| CN2704036Y (en) * | 2004-04-14 | 2005-06-08 | 赵勋海 | Pretightening dynamometer for prestressed structure |
| CN103183268A (en) * | 2011-12-28 | 2013-07-03 | 株式会社日立建筑系统 | Rope tension adjusting device and rope tension adjusting system |
| CN106586849A (en) * | 2016-12-27 | 2017-04-26 | 中国冶集团有限公司 | Automatic adjusting device and method of crane auxiliary bracing |
| CN210086843U (en) * | 2019-05-07 | 2020-02-18 | 中南林业科技大学 | Tension adjusting device of cable-supported wood beam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110029822B (en) | 2024-03-05 |
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