CN101241059A - Steel cold bending test machine - Google Patents
Steel cold bending test machine Download PDFInfo
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- CN101241059A CN101241059A CNA2008101023096A CN200810102309A CN101241059A CN 101241059 A CN101241059 A CN 101241059A CN A2008101023096 A CNA2008101023096 A CN A2008101023096A CN 200810102309 A CN200810102309 A CN 200810102309A CN 101241059 A CN101241059 A CN 101241059A
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Abstract
A rolled steel cool-deforming test machine, comprising a case, a hydraulic pressure system which is composed of a hydraulic pressure cylinder, an oil pump, an oil tank, a handle reversing valve. A work table is set at top of the case. A supporting plate is set on rear end of the work table. A regulating bracket is set on front end. The hydraulic pressure cylinder is embedded in middle of the supporting plate. A mandril is connected to a piston rod of the hydraulic pressure cylinder. A punch is connected to front end of the mandril. The regulating bracket is composed of a left plate, a right plate, a front plate, a rear plate, a front bottom plate and a rear bottom plate. A right sliding block and a left sliding block are set between the left and right plates. The left and right sliding blocks are spiro-connected to an upper right chain wheel and a lower right chain wheel via a screw. A right vertical column is connected to front end of the left sliding block; a right vertical column is connected to front end of the right sliding block; ends of the upper and lower screw rods extend from the right plate, connected to the upper right chain wheel and lower right chain wheel. A handle wheel is set outside of the right plate, connected to the driving chain wheel which is connected to the upper right and lower right chain wheels via chains. The product is convenient to operate, save and reliable with high test precision, which is applied to bending test detection of various rolled steels.
Description
Technical field
The present invention relates to steel bending test detecting instrument equipment.
Background technology
At present, steel bending detects and finishes by universal testing machine.
The hydraulic cylinder of universal testing machine is vertically disposed, be divided into two kinds of overhead and underneath types, the bending test position of overhead universal testing machine is higher, sample picks and places very inconvenient, though the bending test position of underneath type universal testing machine is lower, but worktable is too big, and sample picks and places also very inconvenient.In the bending test process, the distance of backing roll is by regulating manually, adopt Steel Ruler that this distance is measured, need fix bearing with spanner when regulating backing roll, labour intensity is big, if in the backing roll adjustment process, error occurs, then do not reach the degree of crook of code requirement, the clod wash testing result is exerted an influence.The steel of different-diameter need use the drift of different sizes, and the bearing of universal testing machine is heavier, the installation process complexity, and drift is changed difficulty, in the clod wash operating process, needs two to three people's co-operate to finish usually, and manually-operated efficient is low.
The body of universal testing machine is bigger, have difficulties when placing steel, and the steel position can not fix, and is easy to generate play or flies out in BENDING PROCESS, and test operation personnel personal safety is constituted a threat to, and has potential safety hazard.
Summary of the invention
For addressing the above problem, the purpose of this invention is to provide a kind of steel cold bending test machine, easy to operate, safe and reliable, the test accuracy height, the bending test that is suitable for various steel detects.
For achieving the above object: the present invention by the following technical solutions:
A kind of steel cold bending test machine, comprise cabinet, hydraulic system, hydraulic system is by hydraulic cylinder, oil pump, fuel tank, hand-operated direction valve is formed, oil pump, fuel tank is installed in the cabinet, hand-operated direction valve is installed on the cabinet sidewall, it is characterized in that: the top of described cabinet is provided with worktable, the rear end of worktable is provided with back up pad, described hydraulic cylinder is inlaid in the middle part of back up pad, be connected with push rod on the piston rod of hydraulic cylinder, the front end of push rod is connected with drift, front end at worktable is provided with the adjusting support, this regulates support by left plate, right plate, front shroud, back shroud, noseplate, back base plate is formed, front shroud is connected across a left side, the top front of right plate, back shroud is connected across a left side, the rear portion, top of right plate, noseplate is connected across a left side, the front portion, bottom of right plate, back base plate is connected across a left side, the rear portion, bottom of right plate, on a left side, be provided with between the right plate, following leading screw, last leading screw is by upper left, upper right screw rod disjunctor is formed, this is upper left, upper right screw flight direction is opposite, this is upper left, upper right screw rod is supported on a left side with bearing respectively, right plate, following leading screw is by the lower-left, bottom right screw rod disjunctor is formed, this lower-left, bottom right screw flight direction is opposite, this lower-left, the bottom right screw rod is supported on a left side with bearing respectively, right plate, on a left side, be provided with a left side between the right plate, right slide block, the upper and lower of left slider has upper left screw and lower-left screw, upper left screw is bolted in upper left screw rod, the lower-left screw is bolted in the lower-left screw rod, the upper and lower of right slide block has upper right screw and bottom right screw, upper right screw is bolted in upper right screw rod, and the bottom right screw is bolted in the bottom right screw rod; Top and bottom in the left slider front portion are connected with left pressing plate and left supporting plate respectively, are connected with left column between left pressing plate and the left supporting plate; Top and bottom in right slide block front portion are connected with right pressing plate and right supporting plate respectively, are connected with right column between right pressing plate and the right supporting plate; The termination of described upper right screw rod stretches out in right plate, is connected with upper right sprocket wheel, and the termination of described bottom right screw rod stretches out in right plate, is connected with the bottom right sprocket wheel; Outer setting at right plate has handwheel, and handwheel is connected with drive sprocket, and drive sprocket links by chain and described upper right sprocket wheel and bottom right sprocket wheel.
The rear portion of described left and right slide block is provided with groove.Link together by left and right pull bar between described adjusting support and the back up pad.
The present invention has following positive beneficial effect:
The hydraulic cylinder of this product is horizontally disposed, hydraulic cylinder is arranged on the central authorities of worktable, with regulate support over against, regulate in the support and be provided with a left side, right slide block, a left side, the rear end of right slide block is provided with and is used to hold the groove of testing steel, steel to be tested are inlaid in the groove, steel play or fly out before and after the not meeting in BENDING PROCESS, safe and reliable, the piston rod of hydraulic cylinder is over against the centre position of steel, the flexible of piston rod controlled by hand-operated direction valve, and hand-operated direction valve can adopt 3 position-5 way valve, and it has a left side, in, right three working positions, when hand-operated direction valve is in position, a left side, the piston rod of hydraulic cylinder stretches out, when hand-operated direction valve is in meta, and the piston rod stop motion of hydraulic cylinder, when hand-operated direction valve is in right position, the piston rod of hydraulic cylinder is return, and above-mentioned hydraulic control circuit is a prior art, so this paper is no longer given unnecessary details.
After piston rod stretches out, push rod moves forward, and the drift of push rod front end is replaced the centre position of steel, exerts pressure to steel, because two columns offer the opposite stress of steel, so steel just begin bending, be squeezed into shapes such as U-shaped or V-arrangement, the curvature of steel bending distortion is by the spacing decision of two columns, the spacing of two columns is regulated by handwheel, when handwheel was just changeing, two slide blocks were made move toward one another, and it is close to drive two columns, the spacing of two columns is dwindled, in handwheel when counter-rotating,, two slide blocks are done counter motion, drive two columns away from, make the spacing of two columns become big, the spacing of two columns be can accurately control by handwheel, thereby angle of bend, test accuracy height controlled.Can satisfy tests such as China's building, highway, water conservancy, electric power and detect in the industry, the cold bend test of various model steel detects requirement.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is a structural representation of regulating support among Fig. 1.
Fig. 4 is that adjusting support shown in Figure 3 is not installed forward and backward cover plate and the back structural representation during base plate.
Fig. 5 is the rear view of Fig. 3.
Fig. 6 is the structural representation of adjusting support shown in Figure 5 when forward and backward cover plate and noseplate are not installed.
Fig. 7 is a user mode synoptic diagram of the present invention.
Embodiment
Number in the figure
1 cabinet, 2 hydraulic cylinders, 3 hand-operated direction valves, 4 worktable
5 back up pads, 6 piston rods, 7 push rods, 8 upper left screw rods
Leading screw 11 left plates 12 right plates on the 9 upper right screw rods 10
13 front shrouds, 14 back shrouds, 15 noseplates, 16 back base plates
20 times leading screws of 17 oil pipe 18 lower-left screw rods, 19 bottom right screw rods
21 left sliders, 22 right slide block 23 left pressing plates 24 left supporting plates
25 left columns, 26 right pressing plate 27 right supporting plate 28 right columns
29 drive sprockets 30 are regulated support 31 grooves 32 grooves
33 chains, 34 upper right sprocket wheel 35 bottom right sprocket wheels 36 handwheels
37 left levers, 38 right pull bar 39 steel 40 drifts
41 pushbutton switches, 42 pushbutton switches, 43 tensimeters
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the present invention is a kind of steel cold bending test machine, comprise cabinet 1, hydraulic system, hydraulic system is made up of hydraulic cylinder 2, oil pump, fuel tank, hand-operated direction valve 3, and oil pump, fuel tank are installed in the cabinet 1, and hand-operated direction valve 3 is installed on the cabinet sidewall, also be provided with pushbutton switch 41,42 and tensimeter 43 on the cabinet sidewall, pushbutton switch 41 is used for power-on, and pushbutton switch 42 is used for powered-down, and tensimeter 43 is used to show working pressure.Hydraulic cylinder 2 links by the oil pump in oil pipe 17 and the cabinet 1, and hydraulic circuit adopts prior art.
The top of cabinet 1 is provided with worktable 4, the rear end of worktable 4 is provided with back up pad 5, hydraulic cylinder 5 is inlaid in the middle part of back up pad, be connected with push rod 7 on the piston rod 6 of hydraulic cylinder, the front end of push rod 7 has block-shaped protrusion, and drift 40 is socketed on this projection, it is convenient to change, front end at worktable 4 is provided with adjusting support 30, please refer to Fig. 3, Fig. 4, Fig. 5, Fig. 6, regulates support 30 and is made up of left plate 11, right plate 12, front shroud 13, back shroud 14, noseplate 15, back base plate 16.
Between left and right side plate 11,12, be provided with upper and lower leading screw 10,20, last leading screw 10 is made up of upper left, upper right screw rod 8,9 disjunctors, opposite, upper left, the upper right screw rod 8,9 of the hand of spiral of upper left, upper right screw rod 8,9 is supported on left and right side plate 11,12 with bearing respectively.
Following leading screw 20 is made up of lower-left, bottom right screw rod 18,19 disjunctors, and the hand of spiral of lower-left, bottom right screw rod 18,19 is opposite, and lower-left, bottom right screw rod 18,19 are supported on left and right side plate 11,12 with bearing respectively.
Be provided with left and right slide block 21,22 between left and right side plate 11,12, the upper and lower of left slider 21 has upper left screw and lower-left screw, and upper left screw is bolted in upper left screw rod 8.The lower-left screw is bolted in lower-left screw rod 18.The upper and lower of right slide block 22 has upper right screw and bottom right screw, and upper right screw is bolted in upper right screw rod 9.The bottom right screw is bolted in bottom right screw rod 19.
Top and bottom in left slider 21 front portions are connected with left pressing plate 23 and left supporting plate 24 respectively, are connected with left column 25 between left pressing plate 23 and the left supporting plate 24.
Top and bottom in right slide block 22 front portions are connected with right pressing plate 26 and right supporting plate 27 respectively, are connected with right column 28 between right pressing plate 26 and the right supporting plate 27.
The termination of upper right screw rod 9 stretches out in right plate 12, is connected with upper right sprocket wheel 34.The termination of bottom right screw rod 19 stretches out in right plate 12, is connected with bottom right sprocket wheel 35.
Outer setting at right plate has handwheel 36, handwheel 36 and 29 coaxial connections of drive sprocket, drive sprocket 29 links by chain 33 and upper right sprocket wheel 34 and bottom right sprocket wheel 35, during turning handle 36, drive sprocket 29 rotations, drive upper right sprocket wheel 34 and 35 rotations of bottom right sprocket wheel by chain 33, upper and lower leading screw 10,20 rotates thereupon, thus the distance of regulating two slide blocks 21,22.
Regulate between support 30 and the back up pad 5 and link together by left and right pull bar 37,38.
The hydraulic cylinder 2 of this product is horizontally disposed, hydraulic cylinder 2 is arranged on the central authorities of worktable 4, with regulate support 30 over against, regulate in the support 30 and be provided with left and right slide block 21,22, the rear portion of left and right slide block 21,22 is respectively arranged with and is used for groove 31,32 that steel are positioned.
Please refer to Fig. 7, during use, steel to be tested 39 are inlaid in groove 31, in 32, steel 39 play or fly out before and after the not meeting in BENDING PROCESS, safe and reliable, the piston rod 6 of hydraulic cylinder is over against the centre position of steel 39, the flexible of piston rod 6 controlled by hand-operated direction valve 3, hand-operated direction valve 3 can adopt 3 position-5 way valve, it has a left side, in, right three working positions, when hand-operated direction valve 3 was in position, a left side, the piston rod 6 of hydraulic cylinder 2 stretched out, when hand-operated direction valve 3 is in meta, piston rod 6 stop motions of hydraulic cylinder 2, when hand-operated direction valve 3 was in right position, the piston rod 6 of hydraulic cylinder 2 was return, above-mentioned hydraulic control circuit is a prior art, so this paper is no longer given unnecessary details.
After piston rod 6 stretches out, the drift 40 of push rod 7 front ends is replaced the centre position of steel 39, exert pressure to steel 39, a because left side, right column 25,28 offer the opposite stress of steel 39, so steel 39 just begin bending, be squeezed into shapes such as U-shaped or V-arrangement, the curvature of steel bending distortion is by a left side, right column 25,28 spacing decision, the spacing of two columns is regulated by handwheel 36, when handwheel 36 is just changeing, two slide blocks 21,22 make move toward one another, drive a left side, right column 25,28 is close, make a left side, right column 25,28 spacing is dwindled, during handwheel 36 counter-rotatings, a left side, right slide block 21,22 do counter motion, drive a left side, right column 25,28 away from, make a left side, right column 25, it is big that 28 spacing becomes, can accurately control a left side by handwheel 36, right column 25,28 spacing, thereby control angle of bend, the test accuracy height, can satisfy China's building, highway, water conservancy, test such as electric power detects in the industry, and the cold bend test of various model steel detects requirement.
Claims (3)
1. a steel cold bending test machine comprises cabinet, hydraulic system, and hydraulic system is made up of hydraulic cylinder, oil pump, fuel tank, hand-operated direction valve, and oil pump, fuel tank are installed in the cabinet, and hand-operated direction valve is installed on the cabinet sidewall, it is characterized in that:
The top of described cabinet is provided with worktable, the rear end of worktable is provided with back up pad, described hydraulic cylinder is inlaid in the middle part of back up pad, be connected with push rod on the piston rod of hydraulic cylinder, the front end of push rod is connected with drift, front end at worktable is provided with the adjusting support, this regulates support by left plate, right plate, front shroud, back shroud, noseplate, back base plate is formed, front shroud is connected across a left side, the top front of right plate, back shroud is connected across a left side, the rear portion, top of right plate, noseplate is connected across a left side, the front portion, bottom of right plate, back base plate is connected across a left side, the rear portion, bottom of right plate, on a left side, be provided with between the right plate, following leading screw, last leading screw is by upper left, upper right screw rod disjunctor is formed, this is upper left, upper right screw flight direction is opposite, this is upper left, upper right screw rod is supported on a left side with bearing respectively, right plate, following leading screw is by the lower-left, bottom right screw rod disjunctor is formed, this lower-left, bottom right screw flight direction is opposite, this lower-left, the bottom right screw rod is supported on a left side with bearing respectively, right plate, on a left side, be provided with a left side between the right plate, right slide block, the upper and lower of left slider has upper left screw and lower-left screw, upper left screw is bolted in upper left screw rod, the lower-left screw is bolted in the lower-left screw rod, the upper and lower of right slide block has upper right screw and bottom right screw, upper right screw is bolted in upper right screw rod, and the bottom right screw is bolted in the bottom right screw rod; Top and bottom in the left slider front portion are connected with left pressing plate and left supporting plate respectively, are connected with left column between left pressing plate and the left supporting plate; Top and bottom in right slide block front portion are connected with right pressing plate and right supporting plate respectively, are connected with right column between right pressing plate and the right supporting plate; The termination of described upper right screw rod stretches out in right plate, is connected with upper right sprocket wheel, and the termination of described bottom right screw rod stretches out in right plate, is connected with the bottom right sprocket wheel; Outer setting at right plate has handwheel, and handwheel is connected with drive sprocket, and drive sprocket links by chain and described upper right sprocket wheel and bottom right sprocket wheel.
2. steel cold bending test machine as claimed in claim 1 is characterized in that: the rear portion of described left and right slide block is provided with groove.
3. steel cold bending test machine as claimed in claim 1 is characterized in that: link together by left and right pull bar between described adjusting support and the back up pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101023096A CN101241059B (en) | 2008-03-20 | 2008-03-20 | Steel cold bending test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101023096A CN101241059B (en) | 2008-03-20 | 2008-03-20 | Steel cold bending test machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101241059A true CN101241059A (en) | 2008-08-13 |
| CN101241059B CN101241059B (en) | 2010-09-01 |
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ID=39932759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101023096A Active CN101241059B (en) | 2008-03-20 | 2008-03-20 | Steel cold bending test machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN101241059B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791642A (en) * | 2010-02-26 | 2010-08-04 | 蒋明生 | Hydraulic system on cold-bending molding machine |
| CN101968155A (en) * | 2009-07-27 | 2011-02-09 | Miruc光学株式会社 | Multi-functional feed-screw-type dovetail stage |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4788847A (en) * | 1987-10-05 | 1988-12-06 | Rodbuster, Inc. | Rod bending apparatus |
| CN2164554Y (en) * | 1993-06-09 | 1994-05-11 | 华电建设工程接头技术公司 | Cold bending experiment machine for reinforced bar |
| CN2637022Y (en) * | 2003-08-14 | 2004-09-01 | 陈福俭 | New type steel bar hydraulic cutting, bending device |
| CN100557411C (en) * | 2005-12-20 | 2009-11-04 | 上海华龙测试仪器有限公司 | Double work position steel bar cold bending test machine |
| CN201170766Y (en) * | 2008-03-20 | 2008-12-24 | 北京城建建设工程有限公司 | Machine for testing cold bending of steels |
-
2008
- 2008-03-20 CN CN2008101023096A patent/CN101241059B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968155A (en) * | 2009-07-27 | 2011-02-09 | Miruc光学株式会社 | Multi-functional feed-screw-type dovetail stage |
| CN101791642A (en) * | 2010-02-26 | 2010-08-04 | 蒋明生 | Hydraulic system on cold-bending molding machine |
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| Publication number | Publication date |
|---|---|
| CN101241059B (en) | 2010-09-01 |
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| C14 | Grant of patent or utility model | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Sun Yongquan Inventor after: Luo Jinhai Inventor after: Sun Jianyun Inventor after: Wang Bin Inventor after: Huo Jundi Inventor after: Liu Chen Inventor after: Sun Yujing Inventor before: Sun Yongquan Inventor before: Luo Jinhai Inventor before: Sun Jianyun |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SUN YONGQUAN LUO JINHAI SUN JIANYUN TO: SUN YONGQUAN LUO JINHAI SUN JIANYUN WANG BIN HUO JUNDI LIU CHEN SUN YUJING |