CN208280710U - A kind of prestressing force tension tool - Google Patents
A kind of prestressing force tension tool Download PDFInfo
- Publication number
- CN208280710U CN208280710U CN201820838269.0U CN201820838269U CN208280710U CN 208280710 U CN208280710 U CN 208280710U CN 201820838269 U CN201820838269 U CN 201820838269U CN 208280710 U CN208280710 U CN 208280710U
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- CN
- China
- Prior art keywords
- disk
- tensioning
- stool leg
- prestressing force
- groove
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- 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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Abstract
The utility model discloses a kind of prestressing force tension tools, including stool leg disk and tensioning disk；Stool leg disk the center point is provided with the tensioning head connecting with oil cylinder；And oil cylinder is connect with control system；Several grooves are provided in the disk of stool leg disk；Support column is movably set in groove；Tensioning disk is provided with the limiting groove for limited post engaging between support column, and in stool leg disk the center point；Tensioning plate edge is provided at least four jackscrew bars；And tensioning disk is provided with several heading pins in the disk of stool leg disk.The present apparatus can effectively stretch the reinforcing bar in electric pole, that is, the pretensioning in pre-stress construction.
Description
Technical field
The utility model belongs to electric pole preparation technical field, and in particular to a kind of prestressing force tension tool.
Background technique
In recent years, the development of electric utility has become the important ring for determining growth of the national economic, and electric pole is electric
Bridge allows electricity to transport each place, with the development of science and technology, the electric pole event that is higher and higher, and taking place frequently of the requirement to electric pole,
People are caused more and more to pay attention to.
Electric pole is broadly divided into prestressed electric wire pole and non-prestressed electric pole and partially prestressed electric wire pole, prestressing force building be for
It saves steel and reduces dead load and a kind of architecture structure form that generates.Prestressed electric wire pole and partially prestressed electric wire pole are just
It is that a part of lotus can be offset after such loading just to concrete plus a part of compression load before working load
It carries, prestressing force and partial prestressing component mostly use high tensile reinforcement to process greatly, thus can greatly save rolled steel dosage, can be with
Prevent component premature rupture.
However existing prestressing force and partially prestressed electric wire pole are in the preparation, usually using the prestress steel pre-processed
Prepared by muscle, can not carry out prestressing force stretching to filling to the reinforcing bar in electric pole during the preparation process, cause preparation efficiency low
Under.
Utility model content
For above-mentioned deficiency in the prior art, the utility model provides a kind of prestressing force tension tool, can be in electric pole
Effective prestressing force stretching is carried out to reinforcing bar in preparation process, can effectively solve the problems, such as that preparation efficiency is low.
To achieve the above object, the technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of prestressing force tension tool, including stool leg disk and tensioning disk；Stool leg disk the center point is provided with to be connect with oil cylinder
Tensioning head；And oil cylinder is connect with control system；Stool leg disk is provided with several grooves in the disk of tensioning disk；Activity is set in groove
It is equipped with support column；
Tensioning disk is provided with the limiting groove for support column engaging between support column, and in tensioning disk the center point；Tensioning
Plate edge is provided at least four jackscrew bars；And tensioning disk is provided with several heading pins in the disk of stool leg disk.
Further, piston boit one end passes through stool leg disk and connect with oil cylinder, and other end end outer rim, which is provided with, several to be had
The casting lug thereon in gap；Limiting groove shape is complementary with limit post shapes.
Further, convex block is provided in groove；The fixed block being movably set on convex block in insertion groove；Support column is solid
Due on fixed block, and bolt for limiting the position is provided on fixed block.
Further, tensioning disk top is provided with hanging ring.
Further, control system is PLC control system.
It further, further include the bracket for being used to support stool leg disk；Cradle top is provided with idler wheel.
The utility model has the following beneficial effects:
1, the reinforcing bar stretched in electric pole preparation process is fixed at heading pin, then by by tensioning head
It is embedded in limiting groove, and extends through tensioning disk, then rotated under the drive of oil cylinder, make casting lug thereon and the limit of its end
The casting lug thereon being arranged on groove mutually contradicts engaging, and support column is made to contact with each other with electric bar mould shell, then passes through oil cylinder band
Dynamic tensioning head is moved along the direction far from electric bar mould, to achieve the purpose that stretch reinforcing bar, thus, it can be achieved that maximum energy
Reach the drawing effect of 200~500 tons of pulling force.
2, the present apparatus can after the fill concrete into steel reinforcement cage, can according to the different electric poles different demands to be met,
Prestressing force stretching is carried out to the reinforcing bar in it, traditional mode produces an electric pole and needs 8~9h, is carrying out electricity using the present apparatus
After bar preparation, it is only necessary to which the production of an electric pole can be completed in 3~4h, substantially reduces the preparation time of electric pole, effective to be promoted
The preparation efficiency of electric pole.
3, by bottom of device be arranged idler wheel, can convenient and fast mobile device, promoted preparation efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present apparatus；
Fig. 2 is the top view of stool leg disk；
Fig. 3 is the three-dimensional view of tensioning disk；
Fig. 4 is the structural schematic diagram of groove；
Fig. 5 is the structural schematic diagram of fixed block；
Fig. 6 is the structural schematic diagram of tensioning head；
Fig. 7 is the structural schematic diagram of heading pin.
Wherein, 1, stool leg disk；2；Tensioning disk；21, limiting groove；22, jackscrew bar；23, heading pin；24, hanging ring；25, steel
Muscle via hole；3, support column；4, piston boit；41, tensioning head；5, groove；51, convex block；6, fixed block；61, bolt；7, oil cylinder；8,
Idler wheel.
Specific embodiment
Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art
The utility model, it should be apparent that the utility model is not limited to the range of specific embodiment, to the common skill of the art
For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in,
These variations are it will be apparent that all are created using the utility model of the utility model design in the column of protection.
As shown in Figure 1, the prestressing force tension tool, is provided with hanging ring including the stool leg disk 1 being used in conjunction with each other and top
24 tensioning disk 2, the bracket for being used to support stool leg disk 1 is provided in the lower section of stool leg disk 1, and if being provided in the bottom of bracket
Dry milling wheel 8, the preferably quantity of idler wheel 8 are 4, convenient for carrying to equipment.
As shown in Figure 1, the center point of stool leg disk 1 is provided with through-hole, being provided in through-hole can be with the piston boit of free extension
4, and the oil cylinder 7 connecting with piston boit 4 is provided on stool leg disk 1, and oil cylinder 7 is connect with control system, preferably control system
For PLC control system；So that piston boit 4 can carry out the rotation of certain angle under the drive of oil cylinder 7, and in the axial direction
Telescopic moving.
As shown in Fig. 2, four grooves 5 in cross branch are provided in the disk of tensioning disk 2 in stool leg disk 1, it is recessed
Gap is all had between slot 5 and piston boit 4, and one end of 5 adjacent piston 4 of groove is in U-shape.
As shown in Fig. 2, Fig. 4 and Fig. 5, it is provided with convex block 51 identical with its shape in groove 5, is provided on convex block 51
It is embedded in groove 5, and fixed block 6 that can be free to slide in groove 5, and is fixed on fixed block 6 and surrounds piston boit 4
Support column 3, also, fixed block 6 passes through the realization of bolt 61 being arranged on and is locked and separated between convex block 51.
As shown in Figure 2 and Figure 6,4 one end of piston boit passes through stool leg disk 1 and connect with oil cylinder 7, and other end end outer rim is provided with
Several casting lug thereons with gap, preferably protrusion number of blocks are four, are then moved up in the axial direction under the drive of oil cylinder 7
It is dynamic, it is embedded in tensioning disk, prestressing force stretched operation is carried out to reinforcing bar.
As shown in figure 3, limiting groove 21 is provided in the middle part of 2 core of tensioning disk, shape and the tensioning head 41 of limiting groove 21
Shape is complementary, i.e., four casting lug thereons with gap, and the size of casting lug thereon, protrusion are again provided on 21 side wall of limiting groove
The distance in gap between block, is consistent with the parameter on limited post 4, and the casting lug thereon of limiting groove 21 can just be with as a result,
The casting lug thereon being arranged on limited post 4 together constitutes with a complete circle.
As shown in figure 3, jackscrew bar 22 is provided in four edges of tensioning disk 2, then in tensioning disk 2 adjacent to stool
Several heading pins 23 for being provided with reinforcing bar via hole 25 are provided in the disk of foot disk 1.
When needing to carry out prestressing force stretching to the reinforcing bar filled with concrete, electric pole is prepared firstly, steel reinforcement cage is placed in
Mold in, be subsequently filled concrete, then the end of the reinforcing bar in steel reinforcement cage is placed in reinforcing bar via hole 25, and consolidates to it
Fixed, then turn jackscrew bar 22, makes its end be in contact with die face, that is, can guarantee the stability of tensioning disk 2, and can be right
Reinforcing bar carries out preliminary prestressing force drawstring；
Stool leg disk 1 is moved again, tensioning head 41 is embedded in and passes through limiting groove 21, then under the drive of oil cylinder 7, makes to open
Pull head 41 rotates, and keeps the casting lug thereon on tensioning head 41 and the casting lug thereon in limiting groove 21 overlapped, then passes through spiral shell again
Bolt 61 adjusts the position of support column 3, and the end face of the end and mold that make support column 3 contacts with each other, then in the tune of control system
Under section, drives tensioning head 41 to move along the direction far from electric bar mould by oil cylinder 7, reach and autofrettage is carried out to reinforcing bar
Purpose；Meanwhile the size for the pulling force that different electric poles carry out needed for prestressing force stretches can be adjusted by control system, meet different lifes
It produces and needs, and can effectively promote throughput rate.
Claims (6)
1. a kind of prestressing force tension tool, which is characterized in that including stool leg disk (1) and tensioning disk (2)；Stool leg disk (1) circle
The tensioning head (41) connecting with oil cylinder (7) is provided at the heart；And the oil cylinder (7) connect with control system；The stool leg disk (1)
Several grooves (5) are provided in the disk of neighbouring tensioning disk (2)；Support column (3) are movably set in the groove (5)；
The tensioning disk (2) is located between support column (3), and is provided with the limit for support column (3) engaging in stool leg disk (1) the center point
Position groove (21)；Tensioning disk (2) edge is provided at least four jackscrew bars (22)；And the neighbouring stool leg of the tensioning disk (2)
Several heading pins (23) are provided in the disk of disk (1).
2. prestressing force tension tool according to claim 1, which is characterized in that further include piston boit (4)；The piston boit
(4) one end passes through stool leg disk (1) and connect with oil cylinder (7), and the other end is provided with tensioning head (41)；Tensioning head (41) outer rim is set
Several casting lug thereons with gap are equipped with, shape is complementary with limiting groove (21) shape.
3. prestressing force tension tool according to claim 1, which is characterized in that be provided with convex block in the groove (5)
(51)；The fixed block (6) being movably set on the convex block (51) in insertion groove (5)；The support column (3) is fixed on fixation
On block (6), and bolt for limiting the position (61) are provided on fixed block (6).
4. prestressing force tension tool according to claim 1, which is characterized in that tensioning disk (2) top, which is provided with, hangs
Ring (24).
5. prestressing force tension tool according to claim 1, which is characterized in that the control system is PLC control system.
6. prestressing force tension tool according to claim 1, which is characterized in that further include being used to support stool leg disk (1)
Bracket；The cradle top is provided with idler wheel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820838269.0U CN208280710U (en) | 2018-05-31 | 2018-05-31 | A kind of prestressing force tension tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820838269.0U CN208280710U (en) | 2018-05-31 | 2018-05-31 | A kind of prestressing force tension tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208280710U true CN208280710U (en) | 2018-12-25 |
Family
ID=64705674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820838269.0U Expired - Fee Related CN208280710U (en) | 2018-05-31 | 2018-05-31 | A kind of prestressing force tension tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208280710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608569A (en) * | 2018-05-31 | 2018-10-02 | 成都银线电杆有限公司 | A kind of prestressing force tension tool |
| CN110005251A (en) * | 2019-03-22 | 2019-07-12 | 知亦达知识产权(深圳)有限公司 | A kind of prestressing force jacking-drawing device of controllable stretching force size |
-
2018
- 2018-05-31 CN CN201820838269.0U patent/CN208280710U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608569A (en) * | 2018-05-31 | 2018-10-02 | 成都银线电杆有限公司 | A kind of prestressing force tension tool |
| CN110005251A (en) * | 2019-03-22 | 2019-07-12 | 知亦达知识产权(深圳)有限公司 | A kind of prestressing force jacking-drawing device of controllable stretching force size |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 |