CN206615959U - A kind of preceding clip type jack from dynamometry value - Google Patents
A kind of preceding clip type jack from dynamometry value Download PDFInfo
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- CN206615959U CN206615959U CN201720197820.3U CN201720197820U CN206615959U CN 206615959 U CN206615959 U CN 206615959U CN 201720197820 U CN201720197820 U CN 201720197820U CN 206615959 U CN206615959 U CN 206615959U
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- cylinder barrel
- boss
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- intermediate plate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000013461 design Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a kind of preceding clip type jack from dynamometry value, including jack body and radial force snesor, jack body includes piston-cylinder unit and clamp system, piston-cylinder unit includes cylinder barrel, cylinder barrel bushing and piston rod, clamp system includes at least one set of clamping single-piece, the first pressing plate, the second pressing plate and holds out against part, clamping single-piece includes intermediate plate top metal body, intermediate plate and groups of springs, and the 3rd pressing plate is provided between radial force snesor and jack body.Using the technical solution of the utility model, effect is：Overall structure is simplified；Radial force snesor is used to survey prestressing force size；Clamp system structure is simplified, and is clamped the quantity of single-piece and can be selected on demand, strong applicability；Clamp single-piece and meet passing through and clamping for steel strand wires, it is easy to operate, and stability is good, meets tensioning demand；Single-piece is clamped, the design of part and the 3rd pressing plate is held out against and holds out against the connected mode of part and the 3rd pressing plate and cylinder barrel bushing, is easily installed, dismantles etc. and operate.
Description
Technical field
The utility model is related to prestressing stretching technique field, and in particular to a kind of preceding clip type jack from dynamometry value.
Background technology
Prestressed stretch-draw is exactly：Add pulling force in advance in component so that be applied in prestressed stretch-draw component and bear tension,
And then it to produce certain deformation to tackle steel construction suffered load in itself.The part that general tensioning is used includes steel
Twisted wire, jack, anchor slab and intermediate plate.
In the prior art, the power suffered by steel strand wires is generally converted into jack piston area with the pressure value of oil cylinder
Value.Jack piston is during stretching, because there may be lateral force, cause jack frictional resistance increase, influence steel strand wires by
The accuracy of power.
Preceding clamp of the prior art is installed, usually by intermediate plate mounting seat outer ring screw thread and jack inner casing
The screw thread blocked coordinates, and intermediate plate mounting seat is tightened on jack inner casing.The structure screwed with screw thread, because stress compared with
Greatly, it is necessary to which the thread turns of rotation is more, the intermediate plate mounting seat for changing different size is cumbersome.
In summary, be badly in need of a kind of structure simplify, mount and dismount facilitate and can from the preceding clip type jack of dynamometry value with
Solve problems of the prior art.
Utility model content
The utility model purpose be to provide a kind of structure simplify, mount and dismount it is convenient and can be from the preceding cassette of dynamometry value
Jack, concrete technical scheme is as follows：
A kind of preceding clip type jack from dynamometry value, including jack body and it is arranged on the jack body front end
Radial force snesor；
The jack body includes piston-cylinder unit and clamp system；
Cylinder barrel bushing and drive that the piston-cylinder unit includes cylinder barrel, is arranged on central axis in the cylinder barrel
The cylinder barrel bushing carries out the piston rod of stretching motion, the free end of the piston rod and the cylinder barrel along its center axis direction
The front end connection of bushing；
The clamp system includes one group of clamping single-piece or at least two groups clamping single-pieces being set up in parallel, is separately positioned on
First pressing plate and the second pressing plate for clamping single-piece front end and end and part is held out against for hold out against second pressing plate,
It is equipped with corresponding with the clamping single-piece quantity on first pressing plate and second pressing plate and is used for what steel strand wires were passed through
Through hole, is flexibly connected between first pressing plate and second pressing plate by long bolt, the outer wall end for holding out against part
It is detachable connection between the inwall end of the cylinder barrel bushing；
It is described to clamp the intermediate plate top metal that single-piece includes being set by front end to end along the central axis of the cylinder barrel bushing
Body, intermediate plate and groups of springs, the intermediate plate top metal body are used to push up the loose intermediate plate, and its front end is fixedly installed on first pressure
On plate；The front end of spring mounting seat for installing the groups of springs connects with the intermediate plate mounting seat fixation for installing the intermediate plate
Connect, the end of the spring mounting seat and the intermediate plate mounting seat are fixedly connected with second pressing plate；The intermediate plate top
Metal body and the intermediate plate are equipped with the passage for accommodating steel strand wires；
Between the radial force snesor and the jack body be provided with the 3rd pressing plate, the 3rd pressing plate with it is described
It is detachable connection between the inwall front end of cylinder barrel bushing.
Preferred in above technical scheme, the clamp system includes at least clamping single-piece described in four groups.
It is preferred in above technical scheme, the part that holds out against for tube structure, its outer wall end provided with least one the
One boss, the inwall end of the cylinder barrel bushing is provided with multiple boss towards its center axis, the boss
Provided with the first groove passed through for the first boss.
Preferred in above technical scheme, the outer wall end for holding out against part is provided with two symmetrically arranged described first
Boss, the inwall end of the cylinder barrel bushing is provided with two the first grooves matched with the first boss.
Preferred in above technical scheme, the outer wall end of the 3rd pressing plate is provided with least one second boss, described
The inwall front end of cylinder barrel bushing is provided with multiple projections towards its center axis, and the projection, which is provided with, is used for the second boss
The second groove passed through.
Preferred in above technical scheme, the outer wall end of the 3rd pressing plate is symmetrically arranged second convex provided with two
Platform, the inwall front end of the cylinder barrel bushing is provided with two second grooves corresponding with the second boss.
Preferred in above technical scheme, the intermediate plate is that the channel diameter being made up of multi-disc secter pat and connector is variable
Tube structure, its channel diameter is 0.95-1.5 times of diameter of steel strand wires.
In order to reach superior technique effect, in addition to eyelet strip, the eyelet strip is arranged on the radial power sensing
Between device and the 3rd pressing plate, the eyelet strip provided with quantity, positions and dimensions with the through hole on the 3rd pressing plate
Corresponding hole.
Using the technical solution of the utility model, have the advantages that：
(1) the preceding clip type jack of the present utility model from dynamometry value includes jack body and radial force snesor,
Jack body includes piston-cylinder unit and clamp system, and piston-cylinder unit includes cylinder barrel, cylinder barrel bushing and piston
Bar, clamp system include one group of clamping single-piece or be set up in parallel at least two groups clamping single-pieces, the first pressing plate, the second pressing plate with
And part is held out against, clamping single-piece includes intermediate plate top metal body, intermediate plate and groups of springs, radial force snesor and jack body
Between be provided with the 3rd pressing plate, overall structure simplifies；Radial force snesor is used to survey prestressing force size；Clamp system structure essence
Letter, clamping the quantity of single-piece can be selected according to the actual requirements, meet different requirements, strong applicability；Clamping single-piece includes
Intermediate plate top metal body, intermediate plate and groups of springs, meet passing through and clamping for steel strand wires, easy to operate, and stability is good, are easy to open
Pulling process；Clamp single-piece, the combination for holding out against part and the 3rd pressing plate and its connected mode with cylinder barrel bushing, be easily installed and
Dismounting, is conveniently replaceable and overhauls.
(2) part is held out against in the utility model for tube structure, and is held out against between part and cylinder barrel bushing end and the
Three pressing plates and the connected mode of cylinder barrel bushing front end, part are easy to processing, and installation and removal are convenient, and it is good to install rear stability.
(3) intermediate plate is the variable cylinder knot of the channel diameter being made up of multi-disc secter pat and connector in the utility model
Structure, its channel diameter is 0.95-1.5 times of the diameter of steel strand wires.The structure of intermediate plate is simplified, and is easy to make；The passage of intermediate plate is straight
The selection of footpath size, had both met the demand that steel strand wires are passed through, and was easy to clamp steel strand wires again.
(4) in the utility model eyelet strip design, be easy to tentatively be plugged steel strand wires, be steel strand wires smoothly enter clamping machine
Structure is ready.Eyelet strip can be selected according to actual conditions, can be used eyelet strip, can not also be used eyelet strip.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is the cross section structure diagram of the preceding clip type jack from dynamometry value of the utility model preferred embodiment 1；
Fig. 2 is the assembling view of clamping single-piece in Fig. 1, the first pressing plate and the second pressing plate；
Fig. 3 is piston-cylinder unit and the sectional perspective schematic diagram for holding out against part in Fig. 1；
Wherein, 1, jack body, 1.1, piston-cylinder unit, 1.11, cylinder barrel, 1.12, cylinder barrel bushing, 1.13, piston
Bar, 1.2, clamp system, 1.21, clamp single-piece, the 1.22, first pressing plate, the 1.23, second pressing plate, 1.24, hold out against part, 2, wheel
Spoke force snesor, the 3, the 3rd pressing plate；
A1, intermediate plate top metal body, A2, intermediate plate, A3, groups of springs, A4, spring mounting seat, A5, intermediate plate mounting seat；
B1, first boss, B2, boss, B3, the first groove.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Embodiment 1：
Referring to Fig. 1-Fig. 3, a kind of preceding clip type jack from dynamometry value, including jack body 1 and it is arranged on described
The radial force snesor 2 of the front end of jack body 1.
The jack body 1 includes piston-cylinder unit 1.1 and clamp system 1.2.
The piston-cylinder unit 1.1 includes cylinder barrel 1.11, is arranged on the cylinder barrel in the cylinder barrel 1.11 with central axis
Bushing 1.12 and the drive cylinder barrel bushing 1.12 carry out the piston rod 1.13 of stretching motion along its center axis direction, described
The free end of piston rod 1.13 is connected with the front end of the cylinder barrel bushing 1.12.
The clamp system 1.2 includes multigroup clamping single-piece 1.21, and (quantity for clamping single-piece is selected according to actual conditions, most
Well at least include four groups), be separately positioned on the clamping front end of single-piece 1.21 and the first pressing plate 1.22 of end and the second pressing plate
1.23 and hold out against part 1.24 for hold out against second pressing plate 1.23, herein hold out against part 1.24 for tube structure,
It includes being used for the passage that steel strand wires run through；It is equipped with first pressing plate 1.22 and second pressing plate 1.23 and the folder
The tight quantity of single-piece 1.21 is corresponding and is used for the through hole that steel strand wires are passed through, first pressing plate 1.22 and second pressing plate 1.23
Between be flexibly connected by long bolt, the inwall end of the outer wall end for holding out against part 1.24 and the cylinder barrel bushing 1.12
Between be detachable connection, connected mode herein is specifically：The end of the outer wall end for holding out against part 1.24 is provided with
To two first boss B1 (quantity of first boss is installed actual demand and can arbitrarily selected), the inwall of the cylinder barrel bushing 1.12
The end of end is provided with multiple boss B2 towards its center axis, and the boss B2, which is provided with, is used for described first
The first groove B3 that boss B1 is passed through, refers to Fig. 3.
It is described to clamp the folder that single-piece 1.21 includes being set by front end to end along the central axis of the cylinder barrel bushing 1.12
Piece top metal body A1, intermediate plate A2 and groups of springs A3, the intermediate plate top metal body A1 consolidate for pushing up the loose intermediate plate A2, its front end
Surely it is arranged on first pressing plate 1.22；Installed with being used for the front end of spring mounting seat A4 for installing the groups of springs A3
The intermediate plate mounting seat A5 of the intermediate plate A2 is attached by the combination of screw or screw bolt and nut, the spring mounting seat A4's
It (can be by screw or spiral shell herein that end and the intermediate plate mounting seat A5 are fixedly connected with second pressing plate 1.23
The combination of screw bolt and nut is attached)；The intermediate plate top metal body A1 and the intermediate plate A2 are equipped with for accommodating steel strand wires
Passage.The preferably intermediate plate A2 is the variable tube structure of the channel diameter being made up of multi-disc secter pat and connector herein, its
Channel diameter is 0.95-1.5 times of the diameter of steel strand wires.Groups of springs A3 can be comprising a spring, can also be comprising many simultaneously
The spring set is arranged, is selected according to actual conditions.
Between the radial force snesor 2 and the jack body 1 be provided with the 3rd pressing plate 3, the 3rd pressing plate 3 with
It is detachable connection between the inwall front end of the cylinder barrel bushing 1.12, is specifically herein：The outer wall end of 3rd pressing plate 3
End is provided with least one second boss, and the end of the inwall front end of the cylinder barrel bushing 1.12 is provided with multiple towards its center axis
Projection, the projection, which is provided with, is used for the second groove for passing through of the second boss.
According to the actual requirements, be also equipped with one piece of eyelet strip, the eyelet strip provided with quantity, positions and dimensions with it is described
The corresponding hole of through hole on 3rd pressing plate 3.In use, the eyelet strip is arranged on the radial force snesor 2 and described
Between 3rd pressing plate 3, i.e.,：First by steel strand wires one end through the hole on eyelet strip, the exposed 3-8cm in steel strand wires termination, then incite somebody to action
Steel strand wires insert the second pressing plate, clamp system etc..
Using the preceding clip type jack from dynamometry value of the present embodiment, specific assembling process is：
1st, multigroup clamping single-piece 1.21, the first pressing plate 1.22 and the second pressing plate 1.23 are assembled；Jack oil-feed, piston
Bar 1.13 travels forward 3-5cm with moveable cylinder bushing 1.12；The end and the front end of cylinder barrel bushing 1.12 of 3rd pressing plate 3 are fixed
Good (the 3rd pressing plate can also be assembled before piston rod action)；
2nd, the grips mechanism 1.2 assembled (is included into multigroup clamping single-piece 1.21, the first pressing plate 1.22 and the second pressure
Plate 1.23) insert cylinder barrel bushing 1.12；
3rd, part 1.24 will be held out against to insert cylinder barrel bushing 1.12 and hold out against the second pressing plate 1.23, the end of part 1.24 will be held out against
Fixed with the end of cylinder barrel bushing 1.12；
4th, radial force snesor 2 is installed, insertion steel strand wires can carry out tensioning；
5th, after the completion of tensioning, jack oil return, piston rod 1.13 is moved back into initially with the terminad of moveable cylinder bushing 1.12
Position.
The concrete mode that the end of part 1.24 is fixed with the end of cylinder barrel bushing 1.12 is held out against in the present embodiment is：First will
The the first groove B3 held out against on the first boss B1 alignment cylinder barrels bushing 1.12 of part 1.24 is inserted in cylinder barrel bushing 1.12, will be pushed up
Tight part 1.24 is rotated to an angle (such as 90 °), it is ensured that first boss B1 and the first groove B3 are shifted to install.
The concrete mode that the end of the 3rd pressing plate 3 and the front end of cylinder barrel bushing 1.12 are fixed in the present embodiment is：First
The second groove on the second boss alignment cylinder barrel bushing 1.12 of 3rd pressing plate 3 is inserted in cylinder barrel bushing 1.12, by the 3rd pressure
Plate 3 is rotated to an angle (such as 90 °), it is ensured that second boss and the second groove are shifted to install.Above-mentioned second boss is along cylinder barrel
The thickness of bushing central axial direction can be designed according to the actual requirements, such as：When second boss is arranged on the described 3rd
During the end of pressing plate, thickness uses 2-5cm, can also be provided with the outer wall and cylinder barrel bushing 1.12 for being used for sealing the 3rd pressing plate 3
Arc sealing block between inwall.
The principle of the present embodiment is：Jack oil return, when piston rod 1.13 is moved with the terminad of moveable cylinder bushing 1.12, band
Dynamic intermediate plate top metal body A1 terminads motion is so as to push up loose intermediate plate A2 so that the channel diameter of intermediate plate is gradually extended to more than passage
Diameter is more than the diameter of steel strand wires, is easy to steel strand wires to pass through；Jack oil-feed, piston rod 1.13 with moveable cylinder bushing 1.12 forward
During end motion, drive intermediate plate top metal body A1 forward end motion so as to decontroling intermediate plate A2 so that the channel diameter of intermediate plate is gradually reduced
Until clamping steel strand wires.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (8)
1. a kind of preceding clip type jack from dynamometry value, it is characterised in that including jack body (1) and be arranged on described thousand
The radial force snesor (2) of jin top body (1) front end；
The jack body (1) includes piston-cylinder unit (1.1) and clamp system (1.2)；
The cylinder that the piston-cylinder unit (1.1) includes cylinder barrel (1.11), is arranged on central axis in the cylinder barrel (1.11)
Cylinder bushing (1.12) and the drive cylinder barrel bushing (1.12) carry out the piston rod of stretching motion along its center axis direction
(1.13), the free end of the piston rod (1.13) is connected with the front end of the cylinder barrel bushing (1.12)；
The clamp system (1.2) includes one group of clamping single-piece (1.21) or at least two groups clamping single-pieces being set up in parallel
(1.21) the first pressing plate (1.22) and the second pressing plate (1.23) of clamping single-piece (1.21) front end and end, are separately positioned on
And hold out against part (1.24) for hold out against second pressing plate (1.23), first pressing plate (1.22) and second pressure
It is equipped with through hole that is corresponding with described clamping single-piece (1.21) quantity and passing through for steel strand wires on plate (1.23), and described the
It is flexibly connected between one pressing plate (1.22) and second pressing plate (1.23) by long bolt；It is described to hold out against the outer of part (1.24)
It is detachable connection between wall end and the inwall end of the cylinder barrel bushing (1.12)；
It is described to clamp the folder that single-piece (1.21) includes being set by front end to end along the central axis of the cylinder barrel bushing (1.12)
Piece top metal body (A1), intermediate plate (A2) and groups of springs (A3), the intermediate plate top metal body (A1) are used to push up the loose intermediate plate
(A2), its front end is fixedly installed on first pressing plate (1.22)；Spring mounting seat for installing the groups of springs (A3)
(A4) front end is fixedly connected with the intermediate plate mounting seat (A5) for installing the intermediate plate (A2), the spring mounting seat (A4)
End and the intermediate plate mounting seat (A5) are fixedly connected with second pressing plate (1.23)；The intermediate plate top metal body (A1)
The passage for accommodating steel strand wires is equipped with the intermediate plate (A2)；
The 3rd pressing plate (3), the 3rd pressing plate are provided between the radial force snesor (2) and the jack body (1)
(3) it is detachable connection between the inwall front end of the cylinder barrel bushing (1.12).
2. the preceding clip type jack according to claim 1 from dynamometry value, it is characterised in that the clamp system (1.2)
Including clamping single-piece (1.21) at least described in four groups.
3. the preceding clip type jack according to claim 2 from dynamometry value, it is characterised in that described to hold out against part (1.24)
For tube structure, its outer wall end is provided with least one first boss (B1), and the inwall end of the cylinder barrel bushing (1.12) is set
There are multiple boss (B2) towards its center axis, the boss (B2), which is provided with, is used for the first boss (B1)
The first groove (B3) passed through.
4. the preceding clip type jack according to claim 3 from dynamometry value, it is characterised in that described to hold out against part (1.24)
Outer wall end provided with two symmetrically arranged first boss (B1), the inwall end of the cylinder barrel bushing (1.12) is provided with
Two the first grooves (B3) for matching with the first boss (B1).
5. the preceding clip type jack according to claim 2 from dynamometry value, it is characterised in that the 3rd pressing plate (3)
Outer wall end is provided with least one second boss, and the inwall front end of the cylinder barrel bushing (1.12) is provided with multiple towards central shaft
The projection of line, the projection, which is provided with, is used for the second groove that the second boss is passed through.
6. the preceding clip type jack according to claim 5 from dynamometry value, it is characterised in that the 3rd pressing plate (3)
Outer wall end provided with two symmetrically arranged second boss, the inwall front end of the cylinder barrel bushing (1.12) provided with two with it is described
The second corresponding groove of second boss.
7. the preceding clip type jack from dynamometry value according to claim 1-6 any one, it is characterised in that the intermediate plate
(A2) it is the variable tube structure of the channel diameter being made up of multi-disc secter pat and connector, its channel diameter is straight for steel strand wires
0.95-1.5 times of footpath.
8. the preceding clip type jack according to claim 7 from dynamometry value, it is characterised in that described also including eyelet strip
Eyelet strip is arranged between the radial force snesor (2) and the 3rd pressing plate (3), the eyelet strip provided with quantity,
The positions and dimensions hole corresponding with the through hole on the 3rd pressing plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720197820.3U CN206615959U (en) | 2017-03-02 | 2017-03-02 | A kind of preceding clip type jack from dynamometry value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720197820.3U CN206615959U (en) | 2017-03-02 | 2017-03-02 | A kind of preceding clip type jack from dynamometry value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206615959U true CN206615959U (en) | 2017-11-07 |
Family
ID=60231696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720197820.3U Active CN206615959U (en) | 2017-03-02 | 2017-03-02 | A kind of preceding clip type jack from dynamometry value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206615959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809759A (en) * | 2017-03-02 | 2017-06-09 | 湖南联智智能科技有限公司 | A kind of preceding clip type jack from dynamometry value |
-
2017
- 2017-03-02 CN CN201720197820.3U patent/CN206615959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809759A (en) * | 2017-03-02 | 2017-06-09 | 湖南联智智能科技有限公司 | A kind of preceding clip type jack from dynamometry value |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A front card jack with self measured force value Granted publication date: 20171107 Pledgee: Changsha bank Limited by Share Ltd. Xiangjiang New District sub branch Pledgor: HUNAN LIANZHI INTELLIGENT TECHNOLOGY CO.,LTD. Registration number: Y2024980020360 |