CN206188304U - Integral automatic synchronization preloading device of steel strand wires crowd anchor rope - Google Patents
Integral automatic synchronization preloading device of steel strand wires crowd anchor rope Download PDFInfo
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- CN206188304U CN206188304U CN201621131166.8U CN201621131166U CN206188304U CN 206188304 U CN206188304 U CN 206188304U CN 201621131166 U CN201621131166 U CN 201621131166U CN 206188304 U CN206188304 U CN 206188304U
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Abstract
The utility model provides an integral automatic synchronization preloading device of steel strand wires crowd anchor rope, roof left end are fixed with single pretension jack of integral multi -cylinder, single pretension jack of integral multi -cylinder includes hydro -cylinder and piston, the hydro -cylinder is opened has a plurality of piston holes, and every piston device constitutes the structure of whole a plurality of pistons in the piston hole, the piston is the piston in band -pass hole, has cup jointed hollow wrap in its through -hole, and hollow wrap is fixed in the hydro -cylinder, forms the structure of piston for hydro -cylinder and hollow wrap removal, the left end of single pretension jack of integral multi -cylinder is connected with haplopore instrument anchor slab, and tensioning platform seat left end is connected with the ground tackle, the hole that has single steel strand wires to pass through is opened to the ground tackle, guarantees that steel strand wires pass. Its advantage is that the pretension jack adopts a plurality of piston structures of hydro -cylinder, integrates the degree height, can realize many steel strand wires automatic pretension function simultaneously, and working space is little, can realize to the overlength steel strand wires that the jack falls to open automatically, and the pretension is fast in succession, and the cost of labor is low.
Description
Technical field
The utility model is related to the pre-tightening apparatus of a kind of civil engineering construction machinery and construction, and more particularly to a kind of steel is twisted
Line-group anchor rope monoblock type automatic synchronization pre-tightening apparatus.
Background technology
In the engineerings such as steel strand group anchor inhaul cable tensioning, post-tensioned prestressing tensioning, the lifting of large-scale component, traction, it is both needed to
Pretension first is carried out to presstressed reinforcing steel or load muscle so that every presstressed reinforcing steel or load muscle stress are basically identical, then can just enter
Row integral tension and lifting, traction.The pretightening jack for using at present is preceding clip type jack, and it has following defect：
（1）Using preceding clip type jack pretension, can only a pretension, due between steel strand wires produce phase mutual friction,
Each steel strand wires discontinuity can be caused.And because jack stroke is short, and steel strand wires and more long, it is necessary to multiple to jack
Artificial to fall to open tune rope, efficiency is low, and hand labor intensity is big, work high above the ground, increases security risk；
（2）With common oil pump to jack provide external force, manually operate oil pump, at the same ordinary jack do not possess displacement with
The data acquisitions such as tractive force, entirely with artificial reading, artificial control, error is big, and risk is big.
Utility model content
The purpose of this utility model is just to provide one kind and can be used on steel strand group anchor inhaul cable, post-tensioned prestressing muscle, large-scale structure
The engineering track cable pre-tightening apparatus such as lifting, traction of part, are capable of achieving the simultaneously independent automatic pretension of many steel strand wires, and overlength steel is twisted
Line can realize that jack falls to open automatically, and the function such as continuous pretension, easy construction, efficiency high, pretightning force controls uniform steel strand wires
Group anchor cable monoblock type automatic synchronization pre-tightening apparatus.
Solution of the present utility model is such：
A kind of steel strand group anchor inhaul cable monoblock type automatic synchronization pre-tightening apparatus, including top board, stretching bed seat and spike, it is described
Top board left end is fixed with the single pretightening jack of monoblock type multi-cylinder, and the described single pretightening jack of monoblock type multi-cylinder includes oil cylinder
And piston, the oil cylinder is provided with multiple piston holes, and each piston apparatus is in the structure that overall multiple pistons are constituted in piston hole；Institute
It is the piston with through hole to state piston, is socketed with punching set in its through hole, and the punching set is fixed on oil cylinder, formed piston relative to
Oil cylinder and the mobile structure of punching set, are provided with cylinder wall and connect entering oil cylinder hydraulic oil path and connecting each for each piston
The oil return cylinder hydraulic oil path of piston, constitutes each piston while the structure stretched out or bounce back, enter oil cylinder hydraulic oil path and
Oil return cylinder hydraulic oil communication hydraulic power unit；The left end of the single pretightening jack of monoblock type multi-cylinder is connected with single hole instrument
Anchor slab, the single hole instrument anchor slab is provided with the hole that single steel strand passes through, it is ensured that steel strand wires pass through punching set, single hole moveable anchor
Plate；Each single hole left end of the single hole instrument anchor slab is the hole coordinated with work clip sheet；The stretching bed seat left end is connected with
Anchorage, the anchorage is provided with the hole that single steel strand passes through, it is ensured that steel strand wires are passed through, and is lower work in each single hole of anchorage left end
Make the hole of intermediate plate cooperation.
More specifically technical scheme also includes：The left end of the single hole instrument anchor slab is connected with movable panel, the activity
Top board is socketed on the guide post being fixed on single hole instrument anchor slab, and elastic force apparatus are provided between guide post and movable panel,
Elastic force apparatus elastic force to the right promotes movable panel to withstand on the left side of work clip sheet.
Further：The left end of the anchorage is provided with intermediate plate anticreep plate, makes to be installed on the work clip sheet on anchorage and is in
Between anchorage and intermediate plate anticreep plate.
Further：The hydraulic power unit includes fuel tank, electronic box, control valve group, pressure sensor, the control valve group bag
Valve body, solenoid directional control valve, automatically controlled overflow valve are included, the control valve group is provided with oil inlet, oil return opening, each oil inlet, oil return
Mouth is respectively provided with a solenoid directional control valve；The pressure sensor and the automatically controlled overflow valve are arranged on oil-feed oil circuit.
The utility model has the advantages that：
1st, using an oil cylinder multiple piston structure, integration degree is high, is capable of achieving many steel strand wires same for pretightening jack
Shi Zidong pretension functions, and working space is small；
2nd, overlength steel strand wires can be realized with jack falls to open automatically, continuous pretension, speed is fast, and cost of labor is low.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of oil cylinder 8.
Fig. 3 is the A-A sectional views of Fig. 2.
Fig. 4 is the utility model hydraulic power unit panel parts scheme of installation.
Fig. 5 is the structural representation of control valve group.
Reference is in figure：1st, steel strand wires, 2, back-moving spring, 3, single hole instrument anchor slab, 4, guide post, 5, movable top
Plate, 6, tool clamping piece, 7, oil return opening, 8, oil cylinder, 9, piston, 10, oil inlet, 11, location-plate, 12, top board, 13, spike, 14,
Anchorage, 15, intermediate plate anticreep plate, 16, stretching bed seat, 17, preload unit installing space, 18, electronic box, 19, variable-frequency motor, 20, electricity
Magnetic reversal valve, 21, valve body, 22, pressure sensor, 23, oil inlet, 24, oil return opening, 25, pressure gauge connection, 26, automatically controlled overflow
Valve, 27, oil filler 28, magnetic valve main valve 29, punching set 30, work clip sheet 31, enter oil cylinder hydraulic oil path 32, oil return
Cylinder hydraulic oil path.
Specific embodiment
The utility model is provided with multi-piston type pretightening jack, automated tool anchor, hydraulic power unit, overall control center, intermediate plate to be prevented
De- plate, instruction is sent by overall control center, and hydraulic power unit drives pretightening jack to realize that pretension works.
As shown in figure 1, top board 12, stretching bed seat 16 and spike 13 are interconnected to form support frame structure, the top board
12 left ends are fixed with the single pretightening jack of monoblock type multi-cylinder, and the described single pretightening jack of monoblock type multi-cylinder includes oil cylinder 8
With piston 9, as shown in Figure 2,3, the oil cylinder 8 is provided with 7 piston holes, and each piston 9 is installed on and entirety 7 is constituted in piston hole
The structure of piston；The piston 9 is the piston with through hole, and punching set is socketed with its through hole, and the punching set is fixed on oil cylinder
8, piston 9 is formed relative to oil cylinder 8 and the mobile structure of punching set, the component in each piston hole is combined into a preload unit.
Be provided with the wall of oil cylinder 8 connect each piston enter oil cylinder hydraulic oil path 31 and connect each piston oil return cylinder hydraulic oil it is logical
Road 32, constitutes each piston while the structure stretched out or bounce back, enters oil cylinder hydraulic oil path oil inlet 10 and return oil cylinder hydraulic
Oily path oil inlet 7 connects hydraulic power unit；The left end of the single pretightening jack of monoblock type multi-cylinder is connected with single hole moveable anchor
Plate 3, the single hole instrument anchor slab 3 is provided with the hole that single steel strand passes through, it is ensured that steel strand wires cover 29, single hole moveable anchor through punching
Plate 3；Each single hole left end of the single hole instrument anchor slab 3 is the hole coordinated with tool clamping piece；The left end of the stretching bed seat 16 connects
Be connected to anchorage 14, the anchorage 14 is provided with the hole that single steel strand passes through, it is ensured that steel strand wires are passed through, the left end of anchorage 14 each
Single hole is the hole that lower work clip sheet coordinates.
The left end of the single hole instrument anchor slab 3 is connected with movable panel 5, and the movable panel 5 is socketed on and is fixed on single hole
Guide post 4 on instrument anchor slab 3, elastic force apparatus are provided between the limited block and movable panel 5 of the termination of guide post 4, described
Elastic force apparatus elastic force to the right promotes movable panel 5 to withstand on the left side of work clip sheet, and the elastic force apparatus of the present embodiment are in list
The left end of hole instrument anchor slab 3 is fixed with the guide post 4 stretched out to left end, and guide post 4 is socketed with back-moving spring 2, the work of back-moving spring 2
The movable panel 5 for being socketed on guide post 4 is withstood in moved end, and the elastic force to the right of back-moving spring 2 promotes movable panel 5 to withstand on filing appliance
The left side of piece.
The left end of the anchorage 14 is provided with intermediate plate anticreep plate 15, and intermediate plate anticreep plate 15 is consolidated by screw rod with anchorage 14,
It is provided with through hole and passes through for steel strand wires 1.Work clip sheet 30 is arranged on the through hole left end of anchorage 14, in anchorage 14 and intermediate plate anticreep
Between plate 15.The use of the intermediate plate anticreep plate 15 is to prevent the intermediate plate being arranged on anchorage from releasing in pretension tensioning.
The hydraulic power unit includes fuel tank, electronic box 18, control valve group, pressure sensor 22, the control as shown in Figure 4,5
Valve group includes valve body 21, solenoid directional control valve 20, automatically controlled overflow valve 26, and the control valve group is provided with oil inlet 23, oil return opening 24,
Each oil inlet 23, oil return opening 24 are respectively provided with a solenoid directional control valve；The pressure sensor 22 and the automatically controlled overflow valve
26 are arranged on oil-feed oil circuit.
The present embodiment is when pretension is constructed, and control method is as follows：
1st, after installation equipment, the starting device after the touch-screen of overall control center is input into pretightning force setting value, equipment is certainly
It is dynamic to work as follows：
2nd, pretension：Overall control center sends instruction, and solenoid directional control valve 20 is acted, and gives pretightening jack fuel feeding, and hydraulic oil is from advance
Tight jack oil inlet 10 sequentially enters each pretension working cell tensioning oil cylinder, and each pretension working cell piston 9 extends, single hole work
Tool anchor slab 3 tenses lax steel strand wires, while pressure sensor with the tool clamping piece 6 of steel strand wires 1 is clamped together to reach
22 real-time measured pressure values are simultaneously transmitted to overall control center pressure data.When piston 9 stretches cylinder reaches a stroke, such as pressure is also
It is less than up to pretightning force setting value, then solenoid directional control valve 20 is acted, and the automated backhaul of piston 9 carries out the pretension of next stroke, in piston 9
When driving single hole instrument 3 backhaul of anchor slab, the tool clamping piece 6 of single hole automated tool anchor resets in the presence of back-moving spring 2, under
One stroke pretension prepares.When piston 9 stretches cylinder, the intermediate plate anticreep plate 15 installed in the front end of anchorage 14 can prevent intermediate plate from releasing；
During backward stroke of the piston, the self-locking in the presence of the gravity of steel strand wires 1 of work clip sheet 30 of anchorage 14 prevents steel strand wires 1 from bouncing back.So
Move in circles, until pretightning force reaches setting value.When a certain steel strand wires pretightning force reaches pretightning force setting value, pressure sensing
Pressure information is transferred to control centre by device, and control centre sends instruction, and automatically controlled overflow valve 26 starts, the pretension working cell without
Method is pressurized again, and the piston 9 of the unit is stopped, and remaining does not reach the corresponding pretension working cell of steel strand wires that pretension sets power
Work on, so until all steel strand wires reach pretightning force setting value, overall control center sends instruction, and solenoid directional control valve 20 is moved
Make, stop to pretightening jack fuel feeding.
Claims (4)
1. a kind of steel strand group anchor inhaul cable monoblock type automatic synchronization pre-tightening apparatus, including top board（12）, stretching bed seat（16）And support
Pin（13）, it is characterised in that：The top board（12）Left end is fixed with the single pretightening jack of monoblock type multi-cylinder, described monoblock type
The single pretightening jack of multi-cylinder includes oil cylinder（8）And piston（9）, the oil cylinder（8）Multiple piston holes are provided with, each piston（9）
It is installed in piston hole and constitutes the structure of overall multiple piston；The piston（9）It is the piston with through hole, is socketed with its through hole
Punching set（29）, the punching set（29）It is fixed on oil cylinder（8）, form piston（9）Relative to oil cylinder（8）With punching set（29）Move
Dynamic structure, in oil cylinder（8）It is provided with wall and connects each piston and enter oil cylinder hydraulic oil path（10）With connect each piston
Oil return cylinder hydraulic oil path（7）, each piston is constituted while the structure stretched out or bounce back, enters oil cylinder hydraulic oil path（10）With
Oil return cylinder hydraulic oil path（7）Connection hydraulic power unit；The left end of the single pretightening jack of monoblock type multi-cylinder is connected with single hole
Instrument anchor slab（3）, the single hole instrument anchor slab（3）It is provided with the hole that single steel strand passes through, it is ensured that steel strand wires pass through punching set, list
Hole instrument anchor slab（3）；The single hole instrument anchor slab（3）Each single hole left end be with work clip sheet coordinate hole；The tensioning
Pedestal（16）Left end is connected with anchorage（14）, the anchorage（14）It is provided with the hole that single steel strand passes through, it is ensured that steel strand wires are passed through,
In anchorage（14）Each single hole of left end is the hole that lower work clip sheet coordinates.
2. steel strand group anchor inhaul cable monoblock type automatic synchronization pre-tightening apparatus according to claim 1, it is characterised in that：It is described
Single hole instrument anchor slab（3）Left end be connected with movable panel（5）, the movable panel（5）It is socketed on and is fixed on single hole moveable anchor
Plate（3）On guide post（4）, in guide post（4）With movable panel（5）Between elastic force apparatus are installed, the elastic force apparatus to
Right elastic force promotes movable panel（5）Withstand on the left side of work clip sheet.
3. steel strand group anchor inhaul cable monoblock type automatic synchronization pre-tightening apparatus according to claim 1, it is characterised in that：It is described
Anchorage（14）Left end be provided with intermediate plate anticreep plate（15）, make to be installed on anchorage（14）On work clip sheet（30）In anchorage
（14）With intermediate plate anticreep plate（15）Between.
4. steel strand group anchor inhaul cable monoblock type automatic synchronization pre-tightening apparatus according to claim 1, it is characterised in that：It is described
Hydraulic power unit includes fuel tank, electronic box（18）, control valve group, pressure sensor（22）, the control valve group include valve body（21）, electricity
Magnetic reversal valve（20）, automatically controlled overflow valve（26）, the control valve group is provided with oil inlet（23）, oil return opening（24）, each oil-feed
Mouthful（23）, oil return opening（24）It is respectively provided with a solenoid directional control valve；The pressure sensor（22）With the automatically controlled overflow valve
（26）It is arranged on oil-feed oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621131166.8U CN206188304U (en) | 2016-10-18 | 2016-10-18 | Integral automatic synchronization preloading device of steel strand wires crowd anchor rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621131166.8U CN206188304U (en) | 2016-10-18 | 2016-10-18 | Integral automatic synchronization preloading device of steel strand wires crowd anchor rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206188304U true CN206188304U (en) | 2017-05-24 |
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ID=58731168
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621131166.8U Active CN206188304U (en) | 2016-10-18 | 2016-10-18 | Integral automatic synchronization preloading device of steel strand wires crowd anchor rope |
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| CN (1) | CN206188304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072589A1 (en) * | 2016-10-18 | 2018-04-26 | 柳州黔桥工程材料有限公司 | Automated and synchronized control system for bundled steel strand anchoring |
-
2016
- 2016-10-18 CN CN201621131166.8U patent/CN206188304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072589A1 (en) * | 2016-10-18 | 2018-04-26 | 柳州黔桥工程材料有限公司 | Automated and synchronized control system for bundled steel strand anchoring |
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