CN106513535B - A kind of reinforcing bar pre-bending hydraulic tongs - Google Patents
A kind of reinforcing bar pre-bending hydraulic tongs Download PDFInfo
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- CN106513535B CN106513535B CN201611084471.0A CN201611084471A CN106513535B CN 106513535 B CN106513535 B CN 106513535B CN 201611084471 A CN201611084471 A CN 201611084471A CN 106513535 B CN106513535 B CN 106513535B
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- reinforcing bar
- pressure chamber
- hydraulic pressure
- hydraulic
- jacking block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/002—Bending wire other than coiling; Straightening wire by means of manually operated devices, e.g. pliers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention relates to the realm of building construction, more particularly to a kind of reinforcing bar pre-bending hydraulic tongs, it include: handle, compression bar, hydraulic cylinder, relief valve, pre-bend mould, pin shaft and jacking block, toggle and compression piston are provided at the top of the hydraulic cylinder, the compression bar and the toggle are hinged, and by being connected at the top of elongated slot and the compression piston, the pre-bend mould is hinged on the pin shaft compression bar, the relief valve is plugged on the hydraulic cylinder, is provided with reinforcing bar holding tank at the top of the jacking block.The present invention utilizes hydraulic principle and lever principle, so that hydraulic tongs are more portable, after reinforcing bar is transported to construction site, Deng welding when again to reinforcing bar carry out pre-bending, have the characteristics that the operation is simple and flexible, guarantee concentric co-axial, not only increase construction efficiency and construction quality, construction cost is more saved, applicability, practicability effect are all good, are suitble to be widely applied in similar engineering.
Description
Technical field
The present invention relates to the realm of building construction, and in particular to a kind of reinforcing bar pre-bending hydraulic tongs.
Background technique
Traditional reinforcing bar pre-bending is generally all concentrated in steel bar meter field and is carried out, and for pre-bending tool than cumbersome, the used time is longer, due to
Pre-bending error often can not guarantee the effect of concentric co-axial, cause reinforcing steel bar bear structure when transporting to construction site progress vertical welding
Change, and then influence construction quality.Moreover, pre-bending cannot be carried out to a plurality of reinforcing bar simultaneously, working efficiency is low.
Summary of the invention
The purpose of the present invention is to provide a kind of reinforcing bar pre-bending hydraulic tongs to solve the problems in background technique.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of reinforcing bar pre-bending hydraulic tongs, comprising: handle, compression bar, hydraulic cylinder, relief valve, pre-bend mould, pin shaft and jacking block,
Be provided with toggle and compression piston at the top of the hydraulic cylinder, the compression bar and the toggle are hinged, the compression bar by elongated slot and
It is connected at the top of the compression piston, the pre-bend mould is hinged on the pin shaft, and the relief valve is plugged on the hydraulic cylinder
On, reinforcing bar holding tank is provided at the top of the jacking block.
Preferably, the pre-bend mould includes, the orthopedic area of circular arc, socket location hole and steel bar positioning frame, circular arc are orthopedic
Crooked radian of the area to control reinforcing bar, socket location hole is to fixed pre-bend mould, and steel bar positioning frame is to reinforcing bar in level
The positioning of height.
Preferably, the pin shaft includes, shaft, die spacer block and locking cap, the die spacer block pass through screw thread
It is fixed on the shaft outer wall, the locking cap is threadedly coupled with the shaft.
Preferably, the reinforcing bar holding tank have it is multiple, and along the axial alignment of the pin shaft, can pre-bending simultaneously it is more
Root reinforcing bar improves processing efficiency.
Preferably, the pin shaft is provided with multiple pre-bend moulds along its axial alignment, each pre-bend mould point
It is not corresponding with the reinforcing bar holding tank.
Preferably, the steel bar positioning frame includes two fixed strips setting up and down, prevent reinforcing bar from moving up and down and shadow
Ring pre-bending effect.
Preferably, the orthopedic area's radian of the circular arc of the multiple pre-bend mould is different, differently curved degree can be processed
Reinforcing bar.
Preferably, include the first hydraulic pressure chamber, the second hydraulic pressure chamber, oil pocket in the hydraulic cylinder, first hydraulic pressure chamber bottom
Portion is provided with the first check valve and second one-way valve, the first check valve flow direction for from the first hydraulic pressure chamber to the second hydraulic pressure chamber,
The second one-way valve flow direction is, from oil pocket to the first hydraulic pressure chamber, the compression piston bottom is arranged in first hydraulic pressure chamber
It is interior.Using hydraulic way, reduce the working strength of construction personnel.
Preferably, the jacking block end is provided with jacking block piston, the jacking block piston is arranged in second hydraulic pressure chamber
It is interior, rebound spring is provided between the jacking block piston and the second hydraulic pressure chamber.
Preferably, the relief valve end is provided with corking, the corking is arranged in second hydraulic pressure chamber, described
Rebound spring is provided between corking and the hydraulic inside wall of cylinder.
In conclusion beneficial effects of the present invention:
1. a kind of reinforcing bar pre-bending hydraulic tongs of the present invention, using hydraulic principle and lever principle, so that hydraulic tongs are more
Add portable, after reinforcing bar is transported to construction site, pre-bending is carried out to reinforcing bar again when waiting welding, has that the operation is simple and flexible, it is same to guarantee
The features such as heart is coaxial not only increases construction efficiency and construction quality, has more saved construction cost, applicability, practicability effect
It is all good, it is suitble to be widely applied in similar engineering.
2. a kind of reinforcing bar pre-bending hydraulic tongs of the present invention, can be bent out the different reinforcing bar of bending degree simultaneously.
3. a kind of reinforcing bar pre-bending hydraulic tongs of the present invention, high in machining efficiency, construction personnel's rapid operation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is assembling schematic diagram of the invention；
Fig. 3 is hydraulic principle schematic diagram of the invention；
Fig. 4 is the assembling schematic diagram of the embodiment of the present invention 2；
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 2.
Specific embodiment
Following specific embodiments are only explanation of the invention, are not limitation of the present invention, art technology
Personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as
All by the protection of Patent Law in scope of the presently claimed invention.
With embodiment, the present invention is described in detail with reference to the accompanying drawing.
Embodiment 1:
According to FIG. 1 to FIG. 2, a kind of reinforcing bar pre-bending hydraulic tongs, comprising: handle 1, compression bar 2, hydraulic cylinder 3, relief valve 4,
Pre-bend mould 5, pin shaft 6 and jacking block 7 are provided with toggle 31 and compression piston 32 at the top of hydraulic cylinder 3, and compression bar 2 and toggle 31 are hinged,
Compression bar 2 at the top of elongated slot 21 and compression piston 32 by being connected, and pre-bend mould 5 is hinged on pin shaft 6, and relief valve 4 is plugged on hydraulic
On cylinder 3, reinforcing bar holding tank 71 is provided at the top of jacking block 7.
Pre-bend mould 5 includes that the orthopedic area 51 of circular arc, socket location hole 52 and steel bar positioning frame 53, the orthopedic area 51 of circular arc uses
To control the crooked radian of reinforcing bar, socket location hole 52 is to fixed pre-bend mould 5, and steel bar positioning frame 53 is to reinforcing bar in level
The positioning of height, steel bar positioning frame 53 include two fixed strips setting up and down.
Pin shaft 6 includes that shaft 61, die spacer block 62 and locking cap 63, die spacer block 62 are threadedly secured to axis
On 61 outer wall of bar, locking cap 63 is threadedly coupled with shaft 61.
It according to Fig.3, include the first hydraulic pressure chamber 33, the second hydraulic pressure chamber 34, oil pocket 35 in hydraulic cylinder 3, the first hydraulic pressure chamber
33 bottoms are provided with the first check valve 331 and second one-way valve 332, the first check valve 331 flow direction for from the first hydraulic pressure chamber 33 to
Second hydraulic pressure chamber 34, the flow direction of second one-way valve 332 is from the 35 to the first hydraulic pressure chamber of oil pocket 33, and the setting of 32 bottom of compression piston is the
In one hydraulic pressure chamber 33,7 end of jacking block is provided with jacking block piston 72, and jacking block piston 72 is arranged in the second hydraulic pressure chamber 34, and jacking block is living
Rebound spring is provided between plug 72 and the second hydraulic pressure chamber 34,4 end of relief valve is provided with corking 41, and corking 41 is arranged second
In hydraulic pressure chamber 34, rebound spring is provided between 3 inner wall of corking 41 and hydraulic cylinder.
The present apparatus pushes compression piston 32 when in use, by compression bar 2, and hydraulic oil flows to the second liquid from the first hydraulic pressure chamber 33
In pressure chamber 34, jacking block 7 is pushed, reinforcing bar a is expressed to pre-bend mould 5, to complete the bending to reinforcing bar a.After bending, press
Lower relief valve 4, hydraulic oil flow to oil pocket 35 out of second hydraulic pressure chamber 34, and jacking block 7 is sprung back under rebound spring effect, unclamp reinforcing bar
A completes work.
The pre-bend mould 5 of the present apparatus is detachable, and replaces the suitable pre-bend mould 5 in the orthopedic area 51 of circular arc according to demand,
When disassembly, it is only necessary to unscrew locking cap 63, remove pre-bend mould 5, die spacer block 62 can be used to adjust die for fisrt forming
The height of tool 5, guarantees the machining accuracy of reinforcing bar.
Embodiment 2:
With above-described embodiment 1 the difference is that, according to Fig. 4, Fig. 5, reinforcing bar holding tank 71 have it is multiple, and along pin
The axial alignment of axis 6, pin shaft 6 are provided with multiple pre-bend moulds 5 along its axial alignment, each pre-bend mould 5 respectively with reinforcing bar
Holding tank 71 is corresponding, and orthopedic 51 radian of area of circular arc of multiple pre-bend moulds 5 is different.
In use, can according to need curved radian, by bar clamp on different 5 components of pre-bend mould, to make
Make the reinforcing bar of various differently curved radiuses.
Claims (3)
1. a kind of reinforcing bar pre-bending hydraulic tongs characterized by comprising handle (1), compression bar (2), hydraulic cylinder (3), relief valve (4),
Pre-bend mould (5), pin shaft (6) and jacking block (7), hydraulic cylinder (3) top are provided with toggle (31) and compression piston (32), institute
State compression bar (2) and the toggle (31) hingedly, the compression bar (2) passes through elongated slot (21) and phase at the top of the compression piston (32)
Even, the pre-bend mould (5) is hinged on the pin shaft (6), and the relief valve (4) is plugged on the hydraulic cylinder (3), described
Reinforcing bar holding tank (71) are provided at the top of jacking block (7)；
The pre-bend mould (5) includes the orthopedic area of circular arc (51), socket location hole (52) and steel bar positioning frame (53), the pin
Axis (6) includes that shaft (61), die spacer block (62) and locking cap (63), the die spacer block (62) are threadably secured
On the shaft (61) outer wall, the locking cap (63) is threadedly coupled with the shaft (61), the reinforcing bar holding tank (71)
With multiple, and the axial alignment along the pin shaft (6), the pin shaft (6) are provided with multiple die for fisrt forming along its axial alignment
Have (5), each pre-bend mould (5) is corresponding with reinforcing bar holding tank (71) respectively；
It include the first hydraulic pressure chamber (33), the second hydraulic pressure chamber (34), oil pocket (35) in the hydraulic cylinder (3), first hydraulic pressure chamber
(33) bottom is provided with the first check valve (331) and second one-way valve (332), and the first check valve (331) flow direction is from the
One hydraulic pressure chamber (33) is to the second hydraulic pressure chamber (34), and second one-way valve (332) flow direction is from oil pocket (35) to the first hydraulic pressure chamber
(33), compression piston (32) the bottom setting is in first hydraulic pressure chamber (33)；
The steel bar positioning frame (53) includes two fixed strips setting up and down；
The orthopedic area of circular arc (51) radian of the multiple pre-bend mould (5) is different.
2. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 1, which is characterized in that jacking block (7) end is provided with
Jacking block piston (72), the jacking block piston (72) setting is in second hydraulic pressure chamber (34), the jacking block piston (72) and the
Two hydraulic pressure chambers are provided with rebound spring between (34).
3. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 2, which is characterized in that relief valve (4) the end setting
Have corking (41), corking (41) setting is in second hydraulic pressure chamber (34), the corking (41) and hydraulic cylinder (3) inner wall
Between be provided with rebound spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084471.0A CN106513535B (en) | 2016-11-30 | 2016-11-30 | A kind of reinforcing bar pre-bending hydraulic tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084471.0A CN106513535B (en) | 2016-11-30 | 2016-11-30 | A kind of reinforcing bar pre-bending hydraulic tongs |
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| Publication Number | Publication Date |
|---|---|
| CN106513535A CN106513535A (en) | 2017-03-22 |
| CN106513535B true CN106513535B (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611084471.0A Active CN106513535B (en) | 2016-11-30 | 2016-11-30 | A kind of reinforcing bar pre-bending hydraulic tongs |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746412A (en) * | 2018-05-23 | 2018-11-06 | 中铁十七局集团上海轨道交通工程有限公司 | Reinforcing bar pre-bending device |
| CN109888686A (en) * | 2019-01-14 | 2019-06-14 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of low tension wire Special wiring tool |
| CN110252912B (en) * | 2019-06-14 | 2020-07-17 | 中铁一局集团有限公司 | Concentric welding construction method for main reinforcement of reinforcement cage |
| CN111842713A (en) * | 2020-09-01 | 2020-10-30 | 中国建筑第四工程局有限公司 | Portable reinforcing steel bar pre-bending device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710837Y (en) * | 2004-01-16 | 2005-07-20 | 王昭智 | Manual hydraulic grip |
| CN104338871A (en) * | 2013-07-26 | 2015-02-11 | 国家电网公司 | Bending tool |
| CN205551322U (en) * | 2016-04-15 | 2016-09-07 | 何淑琼 | High -efficient angle bending machine |
| CN206229934U (en) * | 2016-11-30 | 2017-06-09 | 中铁十六局集团第三工程有限公司 | A kind of reinforcing bar pre-bending hydraulic tongs |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050103170A1 (en) * | 2003-11-18 | 2005-05-19 | Norberto Del Rio | Hydroligripcut pliers |
-
2016
- 2016-11-30 CN CN201611084471.0A patent/CN106513535B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710837Y (en) * | 2004-01-16 | 2005-07-20 | 王昭智 | Manual hydraulic grip |
| CN104338871A (en) * | 2013-07-26 | 2015-02-11 | 国家电网公司 | Bending tool |
| CN205551322U (en) * | 2016-04-15 | 2016-09-07 | 何淑琼 | High -efficient angle bending machine |
| CN206229934U (en) * | 2016-11-30 | 2017-06-09 | 中铁十六局集团第三工程有限公司 | A kind of reinforcing bar pre-bending hydraulic tongs |
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| Publication number | Publication date |
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| CN106513535A (en) | 2017-03-22 |
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