CN203728145U - Chord-bar-warping-resisting mechanism of steel bar truss production line - Google Patents
Chord-bar-warping-resisting mechanism of steel bar truss production line Download PDFInfo
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- CN203728145U CN203728145U CN201420039000.8U CN201420039000U CN203728145U CN 203728145 U CN203728145 U CN 203728145U CN 201420039000 U CN201420039000 U CN 201420039000U CN 203728145 U CN203728145 U CN 203728145U
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Abstract
The utility model discloses a chord-bar-warping-resisting mechanism of a steel bar truss production line. The mechanism structurally comprises a frame formed by the fact that a front connecting plate and a back connecting plate are connected with a left connecting plate and a right connecting plate, a pair of a left warping-resisting rotating wheel and a right warping-resisting rotating wheel which squeeze a chord bar are arranged in the frame, the axis of the left warping-resisting rotating wheel and the axis of the right warping-resisting rotating wheel are arranged oblique relative to the axis direction of the chord bar, the oblique directions of the axis of the left warping-resisting rotating wheel and the axis of the right warping-resisting rotating wheel are opposite, the left warping-resisting rotating wheel and the right warping-resisting rotating wheel are fixed on a left wheel base and a right wheel base respectively, the left wheel base is hinged to the left connecting plate and the back connecting plate respectively, the right wheel base is hinged to the right connecting plate and the back connecting plate respectively, and the front connecting plate and the back connecting plate are provided through holes through which the chord bar penetrate respectively. The mechanism has the advantages that the purpose of chord bar warping resisting can be achieved, the rotating phenomenon of the chord bar during a feeding process can be effectively controlled, the structure is simple, adjusting is carried out at any time according to the warping deforming situation of a steel bar truss, and safety and reliability are achieved.
Description
Technical field
The utility model relates to steel bar girder manufacturing line, particularly be steel bar girder manufacturing line prevent string muscle twist mechanism.
Background technology
At present, on steel bar girder manufacturing line, common product is triangular truss, in construction, usually triangular truss is had to certain length requirement, but all can there is torsional deflection in various degree in the triangular truss of producing through steel bar girder manufacturing line, serious torsional deflection directly affects the use of truss.Cause the major cause of truss torsional deflection to be: the string muscle raw material of producing steel bar girder is hot rolling or cold rolled reinforcing bar bi-material, while adopting in process of production common conveying roller to carry string muscle, due to the internal stress skewness of reinforcing bar, on steel bar girder manufacturing line, be fed forward in process, often there will be the situation of reinforcing bar along its axis direction rotation, owing to can not limiting reinforcing bar rotation on common conveying roller, cause reinforcing bar to be welded into steel bar girder in continuous rotary course, cause steel bar girder finished product torsional deflection, steel bar girder quality declines, directly affect construction quality and production efficiency.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of on steel bar girder manufacturing line two conveying rollers of conveying steel be obliquely installed, can effectively control reinforcing bar along its axis rotation, simple in structure, easy to adjust, efficiently steel bar girder manufacturing line prevent string muscle twist mechanism.
The technical scheme solving the problems of the technologies described above is:
A kind of steel bar girder manufacturing line prevent string muscle twist mechanism, describedly prevent that string muscle twist mechanism from comprising: a quadra that is interconnected to constitute inner hollow by front connecting panel corresponding to front and back position and the rear connecting panel left connecting panel corresponding with position, left and right and right connecting panel, in framework, there are the anti-twist wheel in a left side and the right anti-twist wheel of a pair of extruding string muscle, the left axis of anti-twist wheel and the axis of right anti-twist wheel are obliquely installed with string muscle axis direction respectively, and the axis direction of tilt of the axis of left anti-twist wheel and right anti-twist wheel is contrary; Left anti-twist wheel and right anti-twist wheel are separately fixed on the revolver seat and right wheel seat of mirror image symmetry; Be hinged on respectively on left connecting panel and rear connecting panel at the projection of two sides of described revolver seat; Be hinged on respectively on right connecting panel and rear connecting panel at the projection of two sides of described right wheel seat; The through hole that has respectively string muscle to run through on front connecting panel and rear connecting panel.
Preferred version is: the axis of the anti-twist wheel in a described left side and the axis of right anti-twist wheel tilt with the axis direction of string muscle respectively, and its inclined angle alpha is 45 degree-90 degree.
Preferred version is: the structure of described right wheel seat comprises: right corner plate, dextral shaft and the right anti-plate of turning round; The L-square that described right corner plate is made up of horizontal plate and diaphragm plate is fixed one end of right wheel shaft, the anti-twist wheel in the hinged right side of the other end of right wheel shaft on the horizontal plate of right corner plate; Described dextral shaft protrusion is arranged on the side of the right corner plate of right connecting panel, and dextral shaft is hinged in the hole of right connecting panel; The described right side is anti-to be turned round plate and protrudes and be arranged on the side of the right corner plate of rear connecting panel, rightly anti-ly turns round plate and is hinged on rear connecting panel.
Preferred version is: the structure of described revolver seat comprises: left comer plate, left-handed rotating shaft and the left anti-plate of turning round; The L-square that described left comer plate is made up of horizontal plate and diaphragm plate is fixed one end of revolver axle, the anti-twist wheel in the hinged left side of the other end of revolver axle on the horizontal plate of left comer plate; Described anticlockwise crown of roll goes out to be arranged on the side of the left comer plate of left connecting panel, and left-handed rotating shaft is hinged in the hole of left connecting panel; A described left side is anti-to be turned round plate and protrudes and be arranged on the side of the left comer plate of rear connecting panel, leftly anti-ly turns round plate and is hinged on rear connecting panel.
Preferred version is: described rear connecting panel is higher than left connecting panel and right connecting panel, and fixed pin shaft is fixed on the top of rear connecting panel, hinged adjustment arm on fixed pin shaft, the hinged right wheel seat of difference and revolver seat on the adjustment arm of fixed pin shaft both sides.
Preferred version is: described right wheel seat is hinged on the structure of adjusting on arm and is: be protruding with the right anti-plate of turning round in the right wheel seat side towards rear connecting panel, right anti-one end of turning round plate and the second flake joint is hinged on the second right bearing pin simultaneously, in the screw of the other end of the second flake joint, connect one end of flake joint extension bar, the other end of flake joint extension bar is contained in the screw of first flake joint one end, the first flake joint other end is hinged on the first right bearing pin, one end of the two ends fixed adjustment arm of the first right bearing pin, adjust the other end hinging rotary bearing pin of arm, on rotary pin shaft, there is the tapped bore vertical with its axis, adjust one end of screw rod through the tapped bore on rotary pin shaft, the other end of adjusting screw rod is hinged on the left support piece being supported on left connecting panel, described revolver seat is hinged on the structure of adjusting on arm: be protruding with the left anti-plate of turning round in the revolver seat side towards rear connecting panel, left anti-one end of turning round plate and the second flake joint is hinged on the second left bearing pin simultaneously, in the screw of the other end of the second flake joint, connect one end of flake joint extension bar, the other end of flake joint extension bar is contained in the screw of first flake joint one end, the first flake joint other end is hinged on the first left bearing pin, and the two ends of the first left bearing pin are fixed on to be adjusted on arm.
Preferred version is: on described left connecting panel, be provided with and regulate revolver seat to put the device that compresses string muscle, its structure comprises: pressing handle, one side of pressing handle is equipped with handle screw, handle screw screws in the tapped through hole that is contained in left connecting panel, and the end face of screw rod withstands in the anticlockwise axial end being hinged in left connection plate hole
The beneficial effects of the utility model are: the utility model overcomes the defect of prior art, the utility model is according to the direction of steel bar girder distortion, adjusting is hinged on the anti-twist wheel in a left side and the right anti-twist wheel relative position adjusted on arm, give string muscle apply one with around the contrary power of string muscle axis hand of rotation, can reach the object that prevents string sprain of muscle and tendon song, can effectively control string muscle and in sending process to forward, occur along the phenomenon of its axis rotation; The utility model is simple in structure, easy to adjust, quick, and regulating effect is good, can regulate at any time according to the torsional deflection situation of steel bar girder in process of production, safe and reliable.
Brief description of the drawings
Fig. 1 is front view of the present utility model;
Fig. 1 a is the part sectional view that removes front connecting panel 15 in Fig. 1;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the birds-eye view of Fig. 1, in figure to adjusting arm 2 partial cutaway;
Fig. 4 is the P-P cutaway view of Fig. 1, connecting panel 5 after not showing in figure; In figure, show that right anti-twist wheel 18a is in off working state (not heeling condition);
Fig. 5 is the left view of Fig. 4;
Fig. 5 a is right anti-twist wheel 18a in running order (being heeling condition) in Fig. 4;
Fig. 6 is the H-H cutaway view of Fig. 3;
Fig. 7 is the K-K cutaway view in Fig. 1 a, connecting panel 5 after not showing in figure; In figure, show that left anti-twist wheel 18b is in off working state (not heeling condition);
Fig. 8 is the right elevation of Fig. 7;
Fig. 8 a is left anti-twist wheel 18b in running order (being heeling condition) in Fig. 7;
Fig. 9 is the overlay chart of Fig. 5 a and two mode of operations of Fig. 8 a;
Figure 10 is the schematic diagram that string muscle 16 is subject to side force F.
" sequence number explanation in accompanying drawing "
1: adjust screw rod; 2: adjust arm; 3a: the first flake joint; 3b: the second flake joint; 4: flake joint extension bar; 5: rear connecting panel; 5a: the second through hole; 6: rotary pin shaft; 7: framework; 8: right connecting panel; 9a: the second right bearing pin; 9b: the second left bearing pin; 10: left connecting panel; 10a: left support piece; 11: adjust handle; 12: pressing handle; 12a: handle screw; 13a: the first right bearing pin; 13b: the first left bearing pin; 14: fixed pin shaft; 15: front connecting panel; 15a: the first through hole; 16: string muscle; 17a: right wheel shaft; 17b: revolver axle; 18a: right anti-twist wheel; 18b: left anti-twist wheel; 19: screw; 21: right wheel seat; 21a: dextral shaft; 21b: the right anti-plate of turning round; 21c: right corner plate; 22:
Revolver seat; 22a: left-handed rotating shaft; 22b: the left anti-plate of turning round; 22c: left comer plate; 0-0: axis; α:
Leaning angle; F: side force.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
What the utility model provided a kind of steel bar girder manufacturing line prevents string muscle twist mechanism, describedly prevent that string muscle twist mechanism from comprising: front connecting panel 15, rear connecting panel 5, left connecting panel 10 and right connecting panel 8, wherein front connecting panel 15 and rear connecting panel 5 front and back position correspondences; Left connecting panel 10 and right connecting panel 8 position, left and right correspondences; With fastener or welding, front connecting panel 15, rear connecting panel 5 and left connecting panel 10, right connecting panel 8 are fixedly connected to form to a quadra 7 of an inner hollow.
In framework 7, there are the anti-twist wheel 18b in a left side and the right anti-twist wheel 18a of a pair of extruding string muscle 16, the left axis of anti-twist wheel 18b and the axis of right anti-twist wheel 18a are obliquely installed with string muscle 16 axis directions respectively, and the axis direction of tilt of the axis of left anti-twist wheel 18b and right anti-twist wheel 18a is contrary.
The anti-twist wheel 18b in a described left side and right anti-twist wheel 18a are separately fixed on the revolver seat 22 and right wheel seat 21 of mirror image symmetry; Be hinged on respectively on left connecting panel 10 and rear connecting panel 5 at the projection of 22 two sides of described revolver seat; Be hinged on respectively on right connecting panel 8 and rear connecting panel 5 at the projection of 21 two sides of described right wheel seat; Through hole the first through hole 15a and the second through hole 5a that on front connecting panel 15 and rear connecting panel 5, have respectively string muscle 16 to run through.
The axis of the described anti-twist wheel 18b in a left side and the axis of right anti-twist wheel 18a tilt with the axis 0-0 direction of string muscle 16 respectively, and its inclined angle alpha is 45 degree-90 degree.
The structure of described right wheel seat 21 comprises: right corner plate 21c, dextral shaft 21a and the right anti-plate 21b that turns round; The L-square that described right corner plate 21c is made up of horizontal plate and diaphragm plate, on the horizontal plate of right corner plate 21c, by one end of screw 19 fixing right wheel shaft 17a, the other end of right wheel shaft 17a is by the right anti-twist wheel 18a of bearing hinge connection; Described dextral shaft 21a protrusion is arranged on the side of the right corner plate 21c of right connecting panel 8, and dextral shaft 21a is hinged in the hole of right connecting panel 8; The described right side is anti-to be turned round plate 21b and protrudes and be arranged on the side of the right corner plate 21c of rear connecting panel 5, rightly anti-ly turns round plate 21b and is hinged on rear connecting panel 5.
The structure of described revolver seat 22 comprises: left comer plate 22c, left-handed rotating shaft 22a and the left anti-plate 22b that turns round; The L-square that described left comer plate 22c is made up of horizontal plate and diaphragm plate, on the horizontal plate of left comer plate 22c by one end of the fixing revolver axle 17b of screw 19, the anti-twist wheel 18b in the hinged left side of the other end of revolver axle 17b; Described left-handed rotating shaft 22a protrusion is arranged on the side of the left comer plate 22c of left connecting panel 10, and left-handed rotating shaft 22a is hinged in the hole of left connecting panel 10; A described left side is anti-to be turned round plate 22b and protrudes and be arranged on the side of the left comer plate 22c of rear connecting panel 5, leftly anti-ly turns round plate 22b and is hinged on rear connecting panel 5.
Described rear connecting panel 5 is higher than left connecting panel 10 and right connecting panel 8, and fixed pin shaft 14 is fixed on the top of rear connecting panel 5, hinged adjustment arm 2 on fixed pin shaft 14, the hinged right wheel seat 21 of difference and revolver seat 22 on the adjustment arm 2 of fixed pin shaft 14 both sides.
Described right wheel seat 21 is hinged on the structure of adjusting on arm 2: be protruding with the right anti-plate 21b that turns round in right wheel seat 21 sides towards rear connecting panel 5, right anti-one end of turning round plate 21b and the second flake joint 3b is hinged on the second right bearing pin 9a simultaneously, in the screw of the other end of the second flake joint 3b, connect one end of flake joint extension bar 4, the other end of flake joint extension bar 4 is contained in the screw of first flake joint 3a one end, the first flake joint 3a other end is hinged on the first right bearing pin 13a, one end of the two ends fixed adjustment arm 2 of the first right bearing pin 13a, adjust the other end hinging rotary bearing pin 6 of arm 2, on rotary pin shaft 6, there is the tapped bore vertical with its axis, adjust one end of screw rod 1 through the tapped bore on rotary pin shaft 6, the other end of adjusting screw rod 1 is hinged on the left support piece 10a being supported on left connecting panel 10.
Described revolver seat 22 is hinged on the structure of adjusting on arm 2: be protruding with the left anti-plate 22b that turns round in revolver seat 22 sides towards rear connecting panel 5, left anti-one end of turning round plate 22b and the second flake joint 3b is hinged on the second left bearing pin 9b simultaneously, in the screw of the other end of the second flake joint 3b, connect one end of flake joint extension bar 4, the other end of flake joint extension bar 4 is contained in the screw of first flake joint 3a one end, it is upper that the first flake joint 3a other end is hinged on the first left bearing pin 13b, and the two ends of the first left bearing pin 13b are fixed on to be adjusted on arm 2.
On described left connecting panel 10, be provided with the device that regulates revolver seat 22 positions to compress string muscle 16, its structure comprises: pressing handle 12, one side of pressing handle 12 is equipped with handle screw 12a, handle screw 12a screws in the tapped through hole that is contained in left connecting panel 10, and the end face of screw rod 12a withstands on the left-handed rotating shaft 22a end face being hinged in left connecting panel 10 holes.
More particularly, before the utility model is arranged on and revolves muscle in steel bar girder manufacturing line and be bent into zig-zag abdomen muscle welder, string muscle 16 is respectively through entering in welder after the second through hole 5a on the first through hole 15a and the rear connecting panel 5 of front connecting panel 15 of the present utility model.
Because steel bar girder distortion major cause is that string muscle 16 can occur around the axis of string muscle 16 to due to rotation forward or backwards in course of conveying, and the direction of truss distortion is consistent with string muscle 16 around the direction of its axis rotation.Therefore, prevent that steel bar girder distortion from must control string muscle 16 around the rotation of its axis, and by give string muscle 16 apply one with around the contrary power of string muscle 16 axis hand of rotation, i.e. the side force F contrary with truss direction of twist, can realize the object of the anti-distortion of steel bar girder.Therefore can be according to the direction of twist of steel bar girder in production process, determine the direction (opposite direction of the direction of side force F and truss distortion) of side force F.
The utility model is prevented to the use procedure of string muscle twist mechanism describes below:
First, rotatably compress handle 12, make the handle screw 12a end face of pressing handle 12 promote left-handed rotating shaft 22a, move right thereby promote revolver seat 22, string muscle 16 is pressed between left anti-twist wheel 18b and right anti-twist wheel 18a;
Secondly, according to the direction of steel bar girder distortion, handle 11 is adjusted in rotation, drive is fixed on the adjustment screw rod 1 of adjusting on handle 11 and is rotarilyd actuate the adjustment arm 2 being hinged on rotary pin shaft 6 and rotate around rotary pin shaft 6, realizing adjustment arm 2 swings up and down around fixed pin shaft 14, adjust revolver seat 22 and right wheel seat 21 relative positions, adjust and be fixed on the anti-twist wheel 18b in a left side on revolver seat 22 and right wheel seat 21 and the position of right anti-twist wheel 18a, make left anti-twist wheel 18b and right anti-twist wheel 18a act on string muscle 16 side force F contrary with string muscle 16 axis hand of rotation, can reach the object that prevents string sprain of muscle and tendon song.
Claims (7)
- A steel bar girder manufacturing line prevent string muscle twist mechanism, it is characterized in that, describedly prevent that string muscle twist mechanism from comprising: a quadra (7) that is interconnected to constitute inner hollow by front connecting panel (15) corresponding to front and back position and rear connecting panel (5) the left connecting panel (10) corresponding with position, left and right and right connecting panel (8), in framework (7), there are the anti-twist wheel in a left side (18b) and the right anti-twist wheel (18a) of a pair of extruding string muscle (16), the axis of left anti-twist wheel (18b) and the axis of right anti-twist wheel (18a) are obliquely installed with string muscle (16) axis direction respectively, the axis of left anti-twist wheel (18b) is contrary with the axis direction of tilt of right anti-twist wheel (18a), left anti-twist wheel (18b) and right anti-twist wheel (18a) are separately fixed on the revolver seat (22) and right wheel seat (21) of mirror image symmetry, be hinged on respectively on left connecting panel (10) and rear connecting panel (5) at the projection of (22) two sides of described revolver seat, be hinged on respectively on right connecting panel (8) and rear connecting panel (5) at the projection of (21) two sides of described right wheel seat, the through hole (15a, 5a) that has respectively string muscle (16) to run through on front connecting panel (15) and rear connecting panel (5).
- 2. prevent string muscle twist mechanism according to the steel bar girder manufacturing line described in claim 1, it is characterized in that, the axis of the axis of the anti-twist wheel in a described left side (18b) and right anti-twist wheel (18a) tilts with axis (0-0) direction of string muscle (16) respectively, and its inclined angle alpha is 45 degree-90 degree.
- According to the steel bar girder manufacturing line described in claim 1 prevent string muscle twist mechanism, it is characterized in that, the structure of described right wheel seat (21) comprising: right corner plate (21c), dextral shaft (21a) and the right anti-plate (21b) of turning round; The L-square that described right corner plate (21c) is made up of horizontal plate and diaphragm plate is fixed one end of right wheel shaft (17a), the anti-twist wheel in the hinged right side of the other end (18a) of right wheel shaft (17a) on the horizontal plate of right corner plate (21c); Described dextral shaft (21a) protrusion is arranged on the side of the right corner plate (21c) of right connecting panel (8), and dextral shaft (21a) is hinged in the hole of right connecting panel (8); The described right side is anti-to be turned round plate (21b) and protrudes and be arranged on the side of the right corner plate (21c) of rear connecting panel (5), rightly anti-ly turns round plate (21b) and is hinged on rear connecting panel (5).
- According to the steel bar girder manufacturing line described in claim 1 prevent string muscle twist mechanism, it is characterized in that, the structure of described revolver seat (22) comprising: left comer plate (22c), left-handed rotating shaft (22a) and the left anti-plate (22b) of turning round; The L-square that described left comer plate (22c) is made up of horizontal plate and diaphragm plate is fixed one end of revolver axle (17b), the anti-twist wheel in the hinged left side of the other end (18b) of revolver axle (17b) on the horizontal plate of left comer plate (22c); Described left-handed rotating shaft (22a) protrusion is arranged on the side of the left comer plate (22c) of left connecting panel (10), and left-handed rotating shaft (22a) is hinged in the hole of left connecting panel (10); A described left side is anti-to be turned round plate (22b) and protrudes and be arranged on the side of the left comer plate (22c) of rear connecting panel (5), leftly anti-ly turns round plate (22b) and is hinged on rear connecting panel (5).
- 5. prevent string muscle twist mechanism according to the steel bar girder manufacturing line described in claim 1, it is characterized in that, described rear connecting panel (5) is higher than left connecting panel (10) and right connecting panel (8), the fixing fixed pin shaft (14) in top of rear connecting panel (5), at the upper hinged adjustment arm (2) of fixed pin shaft (14), upper hinged right wheel seat (21) and the revolver seat (22) respectively of adjustment arm (2) in fixed pin shaft (14) both sides.
- 6. prevent string muscle twist mechanism according to the steel bar girder manufacturing line described in claim 5, it is characterized in that, described right wheel seat (21) is hinged on the structure of adjusting on arm (2): be protruding with the right anti-plate (21b) of turning round in the right wheel seat towards rear connecting panel (5) (21) side, right anti-one end of turning round plate (21b) and the second flake joint (3b) is hinged on the second right bearing pin (9a) simultaneously, in the screw of the other end of the second flake joint (3b), connect one end of flake joint extension bar (4), the other end of flake joint extension bar (4) is contained in the screw of first flake joint (3a) one end, first flake joint (3a) other end is hinged on the first right bearing pin (13a), one end of the two ends fixed adjustment arms (2) of the first right bearing pin (13a), adjust the other end hinging rotary bearing pin (6) of arm (2), rotary pin shaft has the tapped bore vertical with its axis on (6), adjust one end of screw rod (1) through the tapped bore on rotary pin shaft (6), the other end of adjusting screw rod (1) is hinged on the left support piece (10a) being supported on left connecting panel (10),Described revolver seat (22) is hinged on the structure of adjusting on arm (2): be protruding with the left anti-plate (22b) of turning round in revolver seat (22) side towards rear connecting panel (5), left anti-one end of turning round plate (22b) and the second flake joint (3b) is hinged on the second left bearing pin (9b) simultaneously, in the screw of the other end of the second flake joint (3b), connect one end of flake joint extension bar (4), the other end of flake joint extension bar (4) is contained in the screw of first flake joint (3a) one end, first flake joint (3a) other end is hinged on the first left bearing pin (13b), the two ends of the first left bearing pin (13b) are fixed on to be adjusted on arm (2).
- 7. prevent string muscle twist mechanism according to the steel bar girder manufacturing line described in claim 4, it is characterized in that, on described left connecting panel (10), be provided with the device that regulates revolver seat (22) position to compress string muscle (16), its structure comprises: pressing handle (12), one side of pressing handle (12) is equipped with handle screw (12a), handle screw (12a) screws in the tapped through hole that is contained in left connecting panel (10), and the end face of screw rod (12a) withstands on left-handed rotating shaft (22a) end face being hinged in left connecting panel (10) hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420039000.8U CN203728145U (en) | 2014-01-22 | 2014-01-22 | Chord-bar-warping-resisting mechanism of steel bar truss production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420039000.8U CN203728145U (en) | 2014-01-22 | 2014-01-22 | Chord-bar-warping-resisting mechanism of steel bar truss production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203728145U true CN203728145U (en) | 2014-07-23 |
Family
ID=51198235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420039000.8U Withdrawn - After Issue CN203728145U (en) | 2014-01-22 | 2014-01-22 | Chord-bar-warping-resisting mechanism of steel bar truss production line |
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| Country | Link |
|---|---|
| CN (1) | CN203728145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754603A (en) * | 2014-01-22 | 2014-04-30 | 建科机械（天津）股份有限公司 | Device for preventing string rib from distorting in steel bar truss production line |
-
2014
- 2014-01-22 CN CN201420039000.8U patent/CN203728145U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754603A (en) * | 2014-01-22 | 2014-04-30 | 建科机械（天津）股份有限公司 | Device for preventing string rib from distorting in steel bar truss production line |
| CN103754603B (en) * | 2014-01-22 | 2016-04-13 | 建科机械（天津）股份有限公司 | Steel bar girder manufacturing line prevent string muscle recking means for cargo |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |