CN105421242B - Handheld minitype prestressed wire tensioning device - Google Patents
Handheld minitype prestressed wire tensioning device Download PDFInfo
- Publication number
- CN105421242B CN105421242B CN201510790767.3A CN201510790767A CN105421242B CN 105421242 B CN105421242 B CN 105421242B CN 201510790767 A CN201510790767 A CN 201510790767A CN 105421242 B CN105421242 B CN 105421242B
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- hole
- fixed support
- rotary shaft
- steel wire
- rotational shell
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention relates to a steel wire tensioning device, in particular to a handheld minitype prestressed steel wire tensioning device. According to the device, the purpose that small-diameter prestressed steel wire tensioning is conducted on a small-scale structure in a small operating space is achieved. The handheld minitype prestressed steel wire tensioning device comprises a lower rotary lifting assembly and an upper fixing assembly. The lower end of the upper fixing assembly is connected with the upper end of the lower rotary lifting assembly. The lower rotary lifting assembly is internally provided with a lower steel wire channel. After penetrating through the lower steel wire channel, one ends of prestressed steel wires are connected with the upper fixing assembly. The handheld minitype prestressed steel wire tensioning device is used in the field of road and bridge constructing.
Description
Technical field
The present invention relates to a kind of steel wire stretching device, and in particular to a kind of hand holding type miniature compressor wire tensioning equipment,
Belong to construction of road and bridge field.
Background technology
Post-stressed concrete structure or prestressed steel structure are the structure type that current engineering circles are generally used.And
Prestressed applying is completed generally by the steel wire or steel strand wires inside tension structure, and to the tensioning of steel wire or steel strand wires
It is to be completed using deformed bar tensioning equipment.
Currently, the deformed bar tensioning equipment in Structural Engineering is mainly used cooperatively using jack and electric oil pump,
The stretching of steel strand wires or reinforcing bar is completed by jack to assign construction pre-stress.Generally, it is pre- in Practical Project
Stress tension jack mostly volume is larger, and tonnage is big, complex operation.
In engineer applied and civil engineering structure experimental study, the structure or reduced scale of some small yardsticks are frequently encountered
The beams and slabs of model test., in Centimeter Level, prestressed pore passage diameter is in millimeter for this kind of smaller wall thickness of small-scale structure sectional dimension
Level, the prestressing force for being applied is also limited, usual less than 0.5 ton, and the general steel wire using below diameter 0.5mm is used as power muscle.
Under this situation, traditional jack tension device due to being limited by physical dimension and tension tonnage, in this class formation
In be no longer applicable, in the urgent need to developing a kind of miniature compressor wire tensioning equipment.At present, also without it is unspecial it is miniature pre- should
Power tensioning equipment, completes the tensioning of compressor wire in the case of small operating space or mini Mod.
Under this background, the present invention is directed to propose a kind of miniature tensioning equipment.This device possesses small volume, hand-holdable
Tensioning, the characteristics of tonnage is controllable, can be conveniently accomplished the tensioning work of small-scale structure compressor wire.
The content of the invention
The present invention enters to solve the problems, such as to carry out small-scale structure under small operating space minor diameter compressor wire tensioning
And propose a kind of hand holding type miniature compressor wire tensioning equipment.
The present invention is adopted the technical scheme that to solve the above problems：The present invention includes bottom rotation and lifting component and top
Fixation kit, the lower end of upper mount is connected with the upper end of bottom rotation and lifting component, is set in the rotation and lifting component of bottom
There are bottom steel wire passage, one end of compressor wire to be connected with upper mount after passing through the bottom steel wire passage.
Further, rotation and lifting component in bottom includes swivel base, rotational shell and rotary shaft, swivel base, rotation
Shell, rotary shaft are sequentially connected from the bottom to top.
Further, column is provided with the middle part of swivel base upper surface, the upper surface of swivel base is additionally provided with annular groove,
It is provided with annular groove in multiple steel balls, column and is provided with first through hole in the axial direction, swivel base is provided with the middle part of upper surface
Second through hole, first through hole is connected with the second through hole, is in axial direction provided with third through-hole in rotational shell, third through-hole it is interior
Side wall is provided with screw thread, rotary shaft and is in axial direction provided with fourth hole, and the lateral wall of rotary shaft is provided with screw thread, rotary shaft
Upper end be provided with connecting platform, the upper end of column is inserted into the lower end of third through-hole, and the lower end of rotary shaft is inserted into threeway
In the upper end in hole, first through hole, the second through hole, third through-hole, fourth hole constitute the bottom steel wire passage.
Further, two auxiliary rods are arranged with the lateral wall of rotational shell.
Further, it is provided with annular boss in the middle part of rotational shell upper surface.
Further, upper mount include disk on fixed support, valve snail mother on fixed support, fixed support interior axle,
Mechanics sensor, compressor wire fixture and multiple fixed support outer shafts, disk passes through multiple fixed support outer shafts on fixed support
Connecting platform with rotary shaft upper end is connected, and mechanics sensor, compressor wire fixture are from top to bottom successively set on fixed branch
On frame between the lower surface of disk and the upper surface of connecting platform, the lower end of fixed support interior axle passes through disk and power on fixed support
The upper end connection of sensor is learned, the lower end of mechanics sensor is connected with the upper end of compressor wire fixture, valve snail on fixed support
Mother set is mounted in the upper end of fixed support interior axle.
The beneficial effects of the invention are as follows：When small-scale structure prestress application is carried out, to minor diameter under small operating space
Compressor wire carries out tensioning.After pre-stress stretching device of the invention is connected by such scheme, swivel base is close to
Body structure surface is simultaneously directed at prestressed pore passage, and after completing the lashing and connection of prestressing steel wire bunch, a hand grips upper end and fixes branch
Frame, the spanner of another hand rotary components shell, the shell that component is rotated is rotated, so as to will be connected under the fixed support of top
The screw rod of disk is screwed out, and drives upper stabilizer support to rise, and is elongated steel wire, reaches the purpose to steel tendon tensioning.Meanwhile, power
The size that sensor shows stretching force is learned, stretch-draw prestressing force is controlled.The present invention is solved under small operating space to micro-
Type construction pre-stress steel wire carries out the problem of cable tensios control.Each part of the present invention is light and handy, facilitate installing/dismounting, is particularly well-suited to small
The tensioning of type construction pre-stress steel wire or the tensioning of the small tonnage deformed bar of tension operation limited space.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention, and Fig. 2 is the front view of swivel base, and Fig. 3 is the main section view of rotation
Figure, Fig. 4 is the top view of Fig. 2, and Fig. 5 is the sectional view of rotational shell, and Fig. 6 is the front view of rotational shell, and Fig. 7 is bowing for Fig. 6
View, Fig. 8 is the front view of rotary shaft, and Fig. 9 is the main sectional view of rotation, and Figure 10 is the top view of Fig. 8.
Specific embodiment
Specific embodiment one：Present embodiment is illustrated with reference to Fig. 1, a kind of hand holding type miniature described in present embodiment in advance should
Power steel wire stretching device includes bottom rotation and lifting component 1 and upper mount 2, the lower end and bottom of upper mount 2
The upper end connection of rotation and lifting component 1, bottom steel wire passage, one end of compressor wire are provided with bottom rotation and lifting component 1
It is connected with upper mount 2 after through the bottom steel wire passage.
Specific embodiment two：Present embodiment is illustrated with reference to Fig. 2, a kind of hand holding type miniature described in present embodiment in advance should
The bottom rotation and lifting component 1 of power steel wire stretching device includes swivel base 1-1, rotational shell 1-2 and rotary shaft 1-3, rotation
Chassis 1-1, rotational shell 1-2, rotary shaft 1-3 are sequentially connected from the bottom to top.Other compositions and annexation and specific embodiment party
Formula one is identical.
Specific embodiment three：With reference to Fig. 1 to Figure 10 explanation present embodiments, one kind is hand-held described in present embodiment declines
Column 1-1-1, the upper table of swivel base 1-1 are provided with the middle part of the swivel base 1-1 upper surfaces of type compressor wire tensioning equipment
Face is additionally provided with annular groove 1-1-2, is provided with annular groove 1-1-2 in multiple steel balls 3, column 1-1-1 and is provided with the axial direction
The second through hole 1-1-4 is provided with the middle part of first through hole 1-1-3, swivel base 1-1 upper surface, first through hole 1-1-3 and second leads to
Hole 1-1-4 is connected, and third through-hole 1-2-1 is in axial direction provided with rotational shell 1-2, on the madial wall of third through-hole 1-2-1
It is provided with screw thread, rotary shaft 1-3 and is in axial direction provided with fourth hole 1-3-1, the lateral wall of rotary shaft 1-3 is provided with screw thread,
The upper end of rotary shaft 1-3 is provided with connecting platform 1-3-2, and the upper end of column 1-1-1 is inserted into the lower end of third through-hole 1-2-1,
The lower end of rotary shaft 1-32 is inserted into the upper end of third through-hole 1-2-1, first through hole 1-1-3, the second through hole 1-1-4, the 3rd
Through hole 1-2-1, fourth hole 1-3-1 constitute the bottom steel wire passage.
Present embodiment has the technical effect that：It is arranged such, the steel ball 3 in annular groove 1-1-2 can reduce rotation bottom
Frictional force between disk 1-1 upper surfaces and rotational shell 1-2 lower surfaces, improves the flexibility of rotary shaft 1-3.Other constitute and connect
Connect relation identical with specific embodiment two.
Specific embodiment four：With reference to Fig. 1 to Figure 10 explanation present embodiments, one kind is hand-held described in present embodiment declines
Two auxiliary rods 4 are arranged with the lateral wall of the rotational shell 1-2 of type compressor wire tensioning equipment.
Present embodiment has the technical effect that：It is arranged such, operating personnel can easily rotate rotational shell, mitigates behaviour
Make the working strength of personnel.Other compositions and annexation are identical with specific embodiment two.
Specific embodiment five：With reference to Fig. 1 to Figure 10 explanation present embodiments, one kind is hand-held described in present embodiment declines
Annular boss 1-2-2 is provided with the middle part of the rotational shell 1-2 upper surfaces of type compressor wire tensioning equipment.Other compositions and connection
Relation is identical with specific embodiment two.
Specific embodiment six：With reference to Fig. 1 to Figure 10 explanation present embodiments, one kind is hand-held described in present embodiment declines
The upper mount 2 of type compressor wire tensioning equipment includes disk 2-2 on fixed support, valve snail mother 2-3 on fixed support, consolidates
Fixed rack interior axle 2-4, mechanics sensor 2-5, compressor wire fixture 2-6 and multiple fixed support outer shaft 2-1, on fixed support
Disk 2-2 is connected by multiple fixed support outer shaft 2-1 with the connecting platform 1-3-2 of rotary shaft 1-3 upper ends, mechanics sensor 2-5,
It is upper with connecting platform 1-3-2 that compressor wire fixture 2-6 is from top to bottom successively set on the lower surface of disk 2-2 on fixed support
Between surface, the lower end of fixed support interior axle 2-4 is connected through disk 2-2 on fixed support with the upper end of mechanics sensor 2-5,
The lower end of mechanics sensor 2-5 is connected with the upper end of compressor wire fixture 2-6, and valve snail mother 2-4 is sleeved on solid on fixed support
The upper end of fixed rack interior axle 2-4.Other compositions and annexation are identical with specific embodiment one or three.
Operation principle
After pre-stress stretching device of the invention is connected by such scheme, swivel base is close to body structure surface and right
Quasi- prestressed pore passage, after completing the lashing and connection of prestressing steel wire bunch, a hand grips upper end fixed support, another hand rotation
The spanner of package shell, the shell that component is rotated is rotated, so as to the screw rod that will be connected to top fixed support lower wall is screwed out,
Drive top fixed support to rise, be elongated steel wire, reach the purpose to steel tendon tensioning.Meanwhile, mechanics sensor shows
The size of stretching force, is controlled to stretch-draw prestressing force.
Embodiment
For example when carrying out prestressed stretch-draw experiment for laboratory small-span box tee section beam, first by rotation bottom of the invention
Disk is close to box beam end cross-sectional and is directed at prestressed pore passage, prestressed strand is clamped through duct and with wire clamp, one
Hand grips upper end fixed support, the spanner of another hand rotary components shell, and now steel wire is elongated, by mechanics sensor
The size of the stretching force of display is controlled to stretch-draw prestressing force.
Claims (2)
1. a kind of hand holding type miniature compressor wire tensioning equipment, it includes bottom rotation and lifting component (1) and top fixation group
Part (2), the lower end of upper mount (2) is connected with the upper end of bottom rotation and lifting component (1), bottom rotation and lifting component
(1) be provided with bottom steel wire passage in, one end of compressor wire through after the bottom steel wire passage with upper mount (2)
Connection, bottom rotation and lifting component (1) includes swivel base (1-1), rotational shell (1-2) and rotary shaft (1-3), swivel base
(1-1), rotational shell (1-2), rotary shaft (1-3) are sequentially connected from the bottom to top, are symmetrically set on the lateral wall of rotational shell (1-2)
There are two auxiliary rods (4), annular boss (1-2-2) be provided with the middle part of rotational shell (1-2) upper surface, it is characterised in that：Rotation
Column (1-1-1) is provided with the middle part of chassis (1-1) upper surface, the upper surface of swivel base (1-1) is additionally provided with annular groove (1-1-
2), it is provided with annular groove (1-1-2) in multiple steel balls (3), column (1-1-1) and is provided with first through hole (1-1- in the axial direction
3) the second through hole (1-1-4), first through hole (1-1-3) and the second through hole (1-, are provided with the middle part of swivel base (1-1) upper surface
1-4) connect, third through-hole (1-2-1), the madial wall of third through-hole (1-2-1) are in axial direction provided with rotational shell (1-2)
It is provided with screw thread, rotary shaft (1-3) and is in axial direction provided with fourth hole (1-3-1), is set on the lateral wall of rotary shaft (1-3)
The upper end for having screw thread, rotary shaft (1-3) is provided with connecting platform (1-3-2), and the upper end of column (1-1-1) is inserted into third through-hole
In the lower end of (1-2-1), the lower end of rotary shaft (1-3) is inserted into the upper end of third through-hole (1-2-1), first through hole (1-1-
3), the second through hole (1-1-4), third through-hole (1-2-1), fourth hole (1-3-1) constitute the bottom steel wire passage.
2. a kind of hand holding type miniature compressor wire tensioning equipment according to claim 1, it is characterised in that：Top fixation group
Part (2) includes valve snail mother (2-3), fixed support interior axle (2-4), mechanics sensor on disk on fixed support (2-2), fixed support
(2-5), compressor wire fixture (2-6) and multiple fixed supports outer shaft (2-1), disk (2-2) is by multiple solid on fixed support
Fixed rack outer shaft (2-1) is connected with the connecting platform (1-3-2) of rotary shaft (1-3) upper end, mechanics sensor (2-5), prestressing force
The lower surface that wire clamp (2-6) is from top to bottom successively set on disk on fixed support (2-2) is upper with connecting platform (1-3-2)
Between surface, the lower end of fixed support interior axle (2-4) is upper with mechanics sensor (2-5) through disk (2-2) on fixed support
End connection, the lower end of mechanics sensor (2-5) is connected with the upper end of compressor wire fixture (2-6), and valve snail is female on fixed support
(2-4) is sleeved on the upper end of fixed support interior axle (2-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510790767.3A CN105421242B (en) | 2015-11-17 | 2015-11-17 | Handheld minitype prestressed wire tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510790767.3A CN105421242B (en) | 2015-11-17 | 2015-11-17 | Handheld minitype prestressed wire tensioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105421242A CN105421242A (en) | 2016-03-23 |
| CN105421242B true CN105421242B (en) | 2017-05-24 |
Family
ID=55499757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510790767.3A Active CN105421242B (en) | 2015-11-17 | 2015-11-17 | Handheld minitype prestressed wire tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105421242B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006152592A (en) * | 2004-11-26 | 2006-06-15 | Japan Life Kk | Tendon fixing structure and band of cap for fixing tendon |
| FR2973818B1 (en) * | 2011-04-07 | 2017-06-02 | Soletanche Freyssinet | METHOD AND DEVICE FOR PROTECTING THE END OF AN ANCORED CABLE |
| CN202853886U (en) * | 2012-09-11 | 2013-04-03 | 西子奥的斯电梯有限公司 | Equipment for testing rotation stability of wire rope |
| CN203373906U (en) * | 2013-07-25 | 2014-01-01 | 长沙理工大学 | High-precision and freely-adjustable pre-stressed tendon anchorage device |
| CN103738875A (en) * | 2013-12-30 | 2014-04-23 | 柳州欧维姆机械股份有限公司 | Tensioning jack with tightening device and tensioning construction method of tensioning jack |
| CN203669211U (en) * | 2014-01-23 | 2014-06-25 | 重庆科技学院 | Prestressed steel strand anchor device |
| CN203742084U (en) * | 2014-03-18 | 2014-07-30 | 江苏省苏中建设集团股份有限公司 | Novel liftable steel reinforcement bracket |
| CN203758825U (en) * | 2014-03-20 | 2014-08-06 | 长春新特试验机有限公司 | Space adjusting mechanism of six-vertical-column steel strand tension tester |
| CN104316400A (en) * | 2014-11-05 | 2015-01-28 | 衡阳金化高压容器股份有限公司 | packing belt stretching test clamp and assembly method therefor |
-
2015
- 2015-11-17 CN CN201510790767.3A patent/CN105421242B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105421242A (en) | 2016-03-23 |
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