CN206229934U - A kind of reinforcing bar pre-bending hydraulic tongs - Google Patents
A kind of reinforcing bar pre-bending hydraulic tongs Download PDFInfo
- Publication number
- CN206229934U CN206229934U CN201621303262.6U CN201621303262U CN206229934U CN 206229934 U CN206229934 U CN 206229934U CN 201621303262 U CN201621303262 U CN 201621303262U CN 206229934 U CN206229934 U CN 206229934U
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- CN
- China
- Prior art keywords
- reinforcing bar
- hydraulic
- pressure chamber
- hydraulic pressure
- bending
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Abstract
The utility model is related to the realm of building construction, and in particular to a kind of reinforcing bar pre-bending hydraulic tongs, including：Handle, depression bar, hydraulic cylinder, relief valve, pre-bend mould, bearing pin and jacking block, the hydraulic cylinder top is provided with toggle and compression piston, the depression bar is hinged with the toggle, the depression bar is connected by elongated slot with compression piston top, the pre-bend mould is hinged on the bearing pin, the relief valve is plugged on the hydraulic cylinder, and the jacking block top is provided with reinforcing bar holding tank.The utility model utilizes hydraulic principle and lever principle, so that hydraulic tongs is more portable, after reinforcing bar is transported to job site, Deng welding when pre-bending is carried out to reinforcing bar again, with simple to operate, flexibly, the features such as ensure concentric co-axial, not only increase efficiency of construction and construction quality, construction cost is more saved, applicability, practicality effect are all good, are adapted to the extensive use in similar engineering.
Description
Technical field
The utility model is related to the realm of building construction, and in particular to a kind of reinforcing bar pre-bending hydraulic tongs.
Background technology
General all the concentration in steel bar meter of traditional reinforcing bar pre-bending is carried out, and pre-bending instrument is heavier, and the used time is more long, due to
Pre-bending error, when transporting to job site and carrying out vertical welding, often can not guarantee the effect of concentric co-axial, cause reinforcing steel bar bear structure
Change, and then influence construction quality.And, it is impossible to while carrying out pre-bending, inefficiency to a plurality of reinforcing bar.
Utility model content
The purpose of this utility model, is in order in solving the problems, such as background technology, there is provided a kind of reinforcing bar pre-bending hydraulic tongs.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of reinforcing bar pre-bending hydraulic tongs, including：Handle, depression bar, hydraulic cylinder, relief valve, pre-bend mould, bearing pin and jacking block,
Hydraulic cylinder top is provided with toggle and compression piston, and the depression bar is hinged with the toggle, the depression bar by elongated slot with
The compression piston top is connected, and the pre-bend mould is hinged on the bearing pin, and the relief valve is plugged on the hydraulic cylinder
On, the jacking block top is provided with reinforcing bar holding tank.
Preferably, the pre-bend mould includes, the orthopedic area of circular arc, socket location hole and steel bar positioning frame, circular arc are orthopedic
Area is used to control the crooked radian of reinforcing bar, and socket location hole is used to fix pre-bend mould, and steel bar positioning frame is to reinforcing bar in level
The positioning of height.
Preferably, the bearing pin includes, axostylus axostyle, die spacer block and locking cap, the die spacer block pass through screw thread
It is fixed on the axostylus axostyle outer wall, the locking cap is threadedly coupled with the axostylus axostyle.
Preferably, the reinforcing bar holding tank has multiple, and along the axial direction arrangement of the bearing pin, can be while pre-bending be more
Root reinforcing bar, improves processing efficiency.
Preferably, the bearing pin is provided with multiple pre-bend moulds axially arranged along it, each described 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, including in the hydraulic cylinder, the first hydraulic pressure chamber, the second hydraulic pressure chamber, oil pocket, the first hydraulic pressure chamber bottom
Portion is provided with the first check valve and the second check valve, the first check valve flow direction be from the first hydraulic pressure chamber to the second hydraulic pressure chamber,
The second check valve flow direction is that, from oil pocket to the first hydraulic pressure chamber, the compression piston bottom is arranged on first hydraulic pressure chamber
It is interior.Using hydraulic way, reduce the working strength of workmen.
Preferably, the jacking block end is provided with jacking block piston, the jacking block piston is arranged on second hydraulic pressure chamber
It is interior, it is provided with rebound spring between the jacking block piston and the second hydraulic pressure chamber.
Preferably, the relief valve end is provided with gag, the gag is arranged in second hydraulic pressure chamber, described
Rebound spring is provided between gag and the hydraulic pressure inside wall of cylinder.
In sum, the beneficial effects of the utility model：
1. a kind of reinforcing bar pre-bending hydraulic tongs described in the utility model, using hydraulic principle and lever principle so that hydraulic pressure
Pincers are more portable, after reinforcing bar is transported to job site, pre-bending carried out to reinforcing bar again when waiting welding, with simple to operate, flexibly, protect
The features such as card concentric co-axial, efficiency of construction and construction quality are not only increased, more saved construction cost, applicability, practicality
Effect is all good, is adapted to the extensive use in similar engineering.
2. a kind of reinforcing bar pre-bending hydraulic tongs described in the utility model, can simultaneously bend out the different steel of degree of crook
Muscle.
3. a kind of reinforcing bar pre-bending hydraulic tongs described in the utility model, high in machining efficiency, workmen's rapid operation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is assembling schematic diagram of the present utility model；
Fig. 3 is hydraulic principle schematic diagram of the present utility model；
Fig. 4 is the assembling schematic diagram of the utility model embodiment 2；
Fig. 5 is the structural representation of the utility model embodiment 2.
Specific embodiment
Specific examples below is only that, to explanation of the present utility model, it is not to limitation of the present utility model, sheet
Art personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read,
But as long as all being protected by Patent Law in right of the present utility model.
The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
According to Fig. 1~Fig. 2, a kind of reinforcing bar pre-bending hydraulic tongs, including：Handle 1, depression bar 2, hydraulic cylinder 3, relief valve 4,
Pre-bend mould 5, bearing pin 6 and jacking block 7, the top of hydraulic cylinder 3 are provided with toggle 31 and compression piston 32, and depression bar 2 is hinged with toggle 31,
Depression bar 2 is connected by elongated slot 21 with the top of compression piston 32, and pre-bend mould 5 is hinged on bearing pin 6, and relief valve 4 is plugged on hydraulic pressure
On cylinder 3, the top of jacking block 7 is provided with reinforcing bar holding tank 71.
Pre-bend mould 5 includes, the orthopedic area 51 of circular arc, socket location hole 52 and steel bar positioning frame 53, and the orthopedic area 51 of circular arc uses
To control the crooked radian of reinforcing bar, socket location hole 52 to be used to fix pre-bend mould 5, steel bar positioning frame 53 is to reinforcing bar in level
The positioning of height, steel bar positioning frame 53 includes two fixed strips setting up and down.
Bearing pin 6 includes that axostylus axostyle 61, die spacer block 62 and locking cap 63, die spacer block 62 are threadedly secured to axle
On the outer wall of bar 61, locking cap 63 is threadedly coupled with axostylus axostyle 61.
According to Fig. 3, include in hydraulic cylinder 3, the first hydraulic pressure chamber 33, the second hydraulic pressure chamber 34, oil pocket 35, the first hydraulic pressure chamber
33 bottoms are provided with the first check valve 331 and the second check valve 332, the flow direction of the first check valve 331 be from the first hydraulic pressure chamber 33 to
Second hydraulic pressure chamber 34, the flow direction of the second check valve 332 is that, from the hydraulic pressure chamber of oil pocket 35 to the first 33, the bottom of compression piston 32 is arranged on the
In one hydraulic pressure chamber 33, the end of jacking block 7 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 lived
Rebound spring is provided between the hydraulic pressure chamber 34 of plug 72 and second, the end of relief valve 4 is provided with gag 41, and gag 41 is arranged on second
In hydraulic pressure chamber 34, rebound spring is provided between gag 41 and the inwall of hydraulic cylinder 3.
The present apparatus when in use, compression piston 32 is pushed by depression 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 promoted, reinforcing bar a is expressed to pre-bend mould 5, so as to complete the bending to reinforcing bar a.After bending terminates, press
Lower relief valve 4, hydraulic oil flows to oil pocket 35 from the second hydraulic pressure chamber 34, and reinforcing bar is unclamped in the resilience under rebound spring effect of jacking block 7
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,
During dismounting, it is only necessary to which locking cap 63 is outwarded winding, pre-bend mould 5 is removed, die spacer block 62 can be used to adjust die for fisrt forming
The height of tool 5, it is ensured that the machining accuracy of reinforcing bar.
Embodiment 2：
It is that according to Fig. 4, Fig. 5, reinforcing bar holding tank 71 has multiple with the difference of above-described embodiment 1, and along pin
The axial direction arrangement of axle 6, bearing pin 6 is provided with multiple pre-bend moulds 5 along its axial arrangement, each pre-bend mould 5 respectively with reinforcing bar
The correspondence of holding tank 71, and the orthopedic radian of area 51 of circular arc of multiple pre-bend moulds 5 is different.
When using, the radian that can be bent as needed, by bar clamp on the different components of pre-bend mould 5, so as to make
Make the reinforcing bar of various differently curved radiuses.
Claims (10)
1. a kind of reinforcing bar pre-bending hydraulic tongs, it is characterised in that including：Handle（1）, depression bar（2）, hydraulic cylinder（3）, relief valve（4）、
Pre-bend mould（5）, bearing pin（6）And jacking block（7）, the hydraulic cylinder（3）Top is provided with toggle（31）And compression piston（32）, institute
State depression bar（2）With the toggle（31）It is hinged, the depression bar（2）By elongated slot（21）With the compression piston（32）Top phase
Even, the pre-bend mould（5）It is hinged on the bearing pin（6）On, the relief valve（4）It is plugged on the hydraulic cylinder（3）On, it is described
Jacking block（7）Top is provided with reinforcing bar holding tank（71）.
2. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 1, it is characterised in that the pre-bend mould（5）Including circle
The orthopedic area of arc（51）, socket location hole（52）And steel bar positioning frame（53）.
3. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 2, it is characterised in that the bearing pin（6）Including axostylus axostyle
（61）, die spacer block（62）And locking cap（63）, the die spacer block（62）It is threadedly secured to the axostylus axostyle（61）
On outer wall, the locking cap（63）With the axostylus axostyle（61）Threaded connection.
4. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 3, it is characterised in that the reinforcing bar holding tank（71）Have
Multiple, and along the bearing pin（6）Axial direction arrangement.
5. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 4, it is characterised in that the bearing pin（6）It is provided with multiple
Along the pre-bend mould that it is axially arranged（5）, each described pre-bend mould（5）Respectively with the reinforcing bar holding tank（71）Correspondence.
6. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 5, it is characterised in that the steel bar positioning frame（53）Including
Two fixed strips setting up and down.
7. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 6, it is characterised in that the multiple pre-bend mould（5）'s
The orthopedic area of circular arc（51）Radian is different.
8. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 1, it is characterised in that the hydraulic cylinder（3）Inside include, the
One hydraulic pressure chamber（33）, the second hydraulic pressure chamber（34）, oil pocket（35）, first hydraulic pressure chamber（33）Bottom is provided with the first check valve
（331）With the second check valve（332）, first check valve（331）Flow direction is from the first hydraulic pressure chamber（33）To the second hydraulic pressure chamber
（34）, second check valve（332）Flow direction is from oil pocket（35）To the first hydraulic pressure chamber（33）, the compression piston（32）Bottom
It is arranged on first hydraulic pressure chamber（33）It is interior.
9. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 8, it is characterised in that the jacking block（7）End is provided with
Jacking block piston（72）, the jacking block piston（72）It is arranged on second hydraulic pressure chamber（34）It is interior, the jacking block piston（72）With
Two hydraulic pressure chambers（34）Between be provided with rebound spring.
10. a kind of reinforcing bar pre-bending hydraulic tongs according to claim 9, it is characterised in that the relief valve（4）End is set
There is gag（41）, the gag（41）It is arranged on second hydraulic pressure chamber（34）It is interior, the gag（41）With hydraulic cylinder（3）Inwall
Between be provided with rebound spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303262.6U CN206229934U (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 |
|---|---|---|---|
| CN201621303262.6U CN206229934U (en) | 2016-11-30 | 2016-11-30 | A kind of reinforcing bar pre-bending hydraulic tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206229934U true CN206229934U (en) | 2017-06-09 |
Family
ID=58981391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621303262.6U Expired - Fee Related CN206229934U (en) | 2016-11-30 | 2016-11-30 | A kind of reinforcing bar pre-bending hydraulic tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206229934U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513535A (en) * | 2016-11-30 | 2017-03-22 | 中铁十六局集团第三工程有限公司 | Steel bar prebending hydraulic clamp |
| CN108723245B (en) * | 2018-08-10 | 2019-11-22 | 广东精艺建设集团有限公司 | Bending machine after a kind of reinforcement construction |
-
2016
- 2016-11-30 CN CN201621303262.6U patent/CN206229934U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513535A (en) * | 2016-11-30 | 2017-03-22 | 中铁十六局集团第三工程有限公司 | Steel bar prebending hydraulic clamp |
| CN106513535B (en) * | 2016-11-30 | 2018-12-11 | 中铁十六局集团第三工程有限公司 | A kind of reinforcing bar pre-bending hydraulic tongs |
| CN108723245B (en) * | 2018-08-10 | 2019-11-22 | 广东精艺建设集团有限公司 | Bending machine after a kind of reinforcement construction |
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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 |
Granted publication date: 20170609 Termination date: 20201130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |