CN203715134U - Steel wire rope tension detection device - Google Patents
Steel wire rope tension detection device Download PDFInfo
- Publication number
- CN203715134U CN203715134U CN201420098323.4U CN201420098323U CN203715134U CN 203715134 U CN203715134 U CN 203715134U CN 201420098323 U CN201420098323 U CN 201420098323U CN 203715134 U CN203715134 U CN 203715134U
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- frame
- hole
- arm
- steel rope
- tie
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- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 title abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to a wire rope's pulling force detection device, it includes the monitor frame, draws the grillage and draws the formula sensor to be located the monitor frame, and the both ends that draw the formula sensor link to each other with monitor frame and draw the grillage respectively, and the both ends that draw the grillage are used for respectively with wire rope with draw the formula sensor and link to each other, draw the grillage can remove and draw the formula sensor along the length direction of monitor frame under wire rope's pulling. When the steel wire rope tension detection device is used, the steel wire rope can be prevented from being twisted and the tension of the steel wire rope can be detected only by fixing the steel wire rope on the connector of the anti-twisting device, the installation mode is very simple, and the pin shaft sensor is not required to be arranged in a pulley shaft; in addition, the crane does not need to be provided with excessive guide pulleys and complicated rope winding process, thereby reducing the weight and saving the space.
Description
Technical field
The utility model relates to the safety guard-safeguard field of tower crane, relates in particular to a kind of stretching force detecting apparatus of steel rope.
Background technology
Tower crane overload operation is one of major reason of having an accident of tower crane.Load lifting limiter is the safety guard of tower machine, and it has acoustic alarm, reports to the police immediately, cuts off crane hoisting electric motor loop and show the functions such as hoisting heavy weight, can avoid weight-lifting equipment and cause equipment and fatal accident because of overload.Load lifting limiter is mainly by the pulling force of timely detection steel rope; whether the weight that judges lifting by the size of lineoutofservice signal pull is overweight; prevent the adverse effect such as the overweight wire cable rupture causing of weight of steel rope lifting, and tower machine is carried out to safety guard-safeguard.Visible, the measurement of lineoutofservice signal pull is particularly important.
At present, the conventional shaft pin sensor of load lifting limiter carrys out the pulling force of measuring steel wire rope.Load lifting limiter comprises multiple shaft pin sensors, and these shaft pin sensor correspondences are arranged in the sheave shaft of multiple leading sheaves.One end as prescribed of steel rope locks at the fixed end of anti-twisting equipment after walking around successively leading sheave, and the other end of steel rope is connected with suspension hook.So, tower crane carrys out the pulling force of sensing wire rope transfers to leading sheave by shaft pin sensor, whether exceedes the scope that steel rope bears, tower crane is played to the effect of safety guard-safeguard thereby detect the weight lifting by crane.But the mounting means of shaft pin sensor not only can make the baudrier of steel rope become complicated, and can increase its weight and take up room; And shaft pin sensor is arranged in the sheave shaft of leading sheave, difficulty is installed, and when maintenance, must first leading sheave be pulled down, then remove the shaft pin sensor in sheave shaft, dismantle cumbersome.
Utility model content
In view of this, be necessary to provide a kind of stretching force detecting apparatus of steel rope, make wire rope winding complexity to solve the stretching force detecting apparatus of existing steel rope, load and unload inconvenient problem.
The utility model provides a kind of stretching force detecting apparatus of steel rope, it comprises monitor frame, arm-tie frame and pulling type sensor, described arm-tie frame and described pulling type sensor are positioned at described monitor frame, the two ends of described pulling type sensor are connected with described arm-tie frame with described monitor frame respectively, the two ends of described arm-tie frame are respectively used to be connected with described pulling type sensor with steel rope, and described arm-tie frame can move and pull described pulling type sensor along the length direction of described monitor frame under the pulling of steel rope.
According to an embodiment of the present utility model, one of them of described arm-tie frame and described monitor frame is provided with waist shaped hole, described arm-tie frame and described monitor frame wherein another is provided with the through hole corresponding with described waist shaped hole, described arm-tie frame is fixed in described monitor frame by the installation shaft of passing described waist shaped hole and described through hole, and can move with respect to described monitor frame along the length direction of described monitor frame.
According to an embodiment of the present utility model, described monitor frame and described arm-tie frame include two side plates that are parallel to each other, described through hole is located on one of them side plate of described monitor frame and described arm-tie frame, described waist shaped hole is located on wherein another the side plate of described monitor frame and described arm-tie frame, the described side plate that through hole is set is provided with tapped bore above described through hole, and described tapped bore is interior for wearing the screw of fixing described installation shaft.
According to an embodiment of the present utility model, the part that is positioned at described through hole or described waist shaped hole both sides on the side plate of described monitor frame is emptied and forms the first lightening hole in the both sides of described through hole or described waist shaped hole, and on the side plate of described monitor frame, the middle part of the position corresponding with described through hole or waist shaped hole is emptied, position corresponding with described through hole or waist shaped hole on described side plate forms the second lightening hole, and described the first lightening hole is communicated with on the length direction of described monitor frame with described the second lightening hole.
According to an embodiment of the present utility model, one end relative with described pulling type sensor of described arm-tie frame is fixed with anti-twisting equipment, described anti-twisting equipment comprises permanent seat, rotating shaft and connector, described permanent seat is connected with described arm-tie frame, described rotating shaft is arranged in described permanent seat and can rotates relative to described permanent seat, one end of described connector is connected with described rotating shaft, and the other end is for being connected with steel rope.
According to an embodiment of the present utility model, described arm-tie frame and described permanent seat all take the shape of the letter U, described permanent seat is fixed on the open end of described arm-tie frame, thrust ball bearing and deep groove ball bearing are installed in described permanent seat, described rotating shaft is provided with outside thread away from one end of described connector, and described rotating shaft is fixed by a captive nut be located at the pressing plate of permanent seat opening part through permanent seat, thrust ball bearing, deep groove ball bearing and after.
According to an embodiment of the present utility model, the corresponding described anti-twisting equipment of described monitor frame is provided with a top board, on described top board, offer a slip through hole, described permanent seat comprises a large-diameter portion and a minor diameter part, described large-diameter portion is fixed in described arm-tie frame, and described minor diameter part passes described slip through hole and can move along the length direction of described monitor frame relative to the top board of described monitor frame.
According to an embodiment of the present utility model, described arm-tie frame has the fixed plate that extends to described permanent seat top, and described fixed plate is provided with tapped bore, and described tapped bore is interior for wearing the screw of fixing described permanent seat.
According to an embodiment of the present utility model, described permanent seat is soldered in described arm-tie frame.
According to an embodiment of the present utility model, described monitor frame is equipped with the base plate corresponding with pulling type sensor with described arm-tie frame, and the two ends of described pulling type sensor are separately fixed on the base plate of described monitor frame and the base plate of described arm-tie frame.
The utility model beneficial effect is:
While use due to the stretching force detecting apparatus of steel rope of the present utility model, only steel rope need be fixed on to the connector of anti-twisting equipment, anti-the turning round and the detection of lineoutofservice signal pull that can realize steel rope, mounting means is very simple, without bearing pin sensor is packed in sheave shaft; And, make on hoisting crane without the too much leading sheave that arranges, also without the wiring process of too complex, thereby alleviate weight, saved space, reduce installation difficulty and cost.In dismounting or maintenance process, only need untie rope lock, convenient disassembly.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification sheets, and for above and other object of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Brief description of the drawings
Fig. 1 is the schematic top plan view of the stretching force detecting apparatus of steel rope in the utility model embodiment.
Fig. 2 is the schematic top plan view of monitor frame in Fig. 1.
Fig. 3 is that Fig. 2 is along A to the schematic diagram of seeing.
Fig. 4 is that Fig. 2 is along B to the schematic diagram of seeing.
Fig. 5 is the cross-sectional schematic of Fig. 2 along V-V line.
Fig. 6 is the part cross-sectional schematic of anti-twisting equipment in Fig. 1.
Fig. 7 is that anti-twisting equipment in Fig. 1 and arm-tie frame side plate are along C to the schematic diagram of seeing.
Detailed description of the invention
Technological means and effect of taking for reaching predetermined utility model object for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to detailed description of the invention of the present utility model, structure, feature and effect thereof, be described in detail as follows.
Please refer to Fig. 1, embodiment of the present utility model provides a kind of stretching force detecting apparatus of steel rope, and its pulling force for the steel rope to tower crane detects.As shown in Figure 1, the stretching force detecting apparatus of this steel rope comprises monitor frame 1, arm-tie frame 3, anti-twisting equipment 5, pulling type sensor 7 and installation shaft 9.
Wherein, pulling type sensor 7 is positioned at monitor frame 1.The two ends of pulling type sensor 7 are individually fixed in monitor frame 1 and arm-tie frame 3.Arm-tie frame 3 is fixed in monitor frame 7 by installation shaft 9.One end of arm-tie frame 3 is connected with pulling type sensor 7, and the other end is connected with anti-twisting equipment 5.Anti-twisting equipment 5 is used for being connected with steel rope away from one end of arm-tie frame 3.In the time of steel rope tension; can drive arm-tie frame 3 to be moved to the left along the length direction of monitor frame 1 with respect to monitor frame 1 by anti-twisting equipment 5; and stretching pulling type sensor 7; make pulling type sensor 7 can detect the size of the suffered pulling force of steel rope; thereby make tower crane judge whether hoisting crane overloads according to the lineoutofservice signal pull detecting, and play the effect of protection hoisting crane construction safety.
Incorporated by reference to reference to Fig. 2 to Fig. 5, monitor frame 1 is end to end rectangle frame, and it comprises two side plates 11 that are parallel to each other, and the top board 13 of two opposite ends of connecting lateral plate 11 and base plate 15.On each side plate 11, be equipped with the through hole 111 passing for an installation shaft 9.The upper and lower sides of through hole 111 is provided with tapped bore 112, and tapped bore 112 is interior for wearing the screw of fixed installation axle 9.The part that each side plate 11 is positioned at the both sides of through hole 111 is emptied and is formed the first lightening hole 113(in the both sides of through hole 111 as shown in Figure 4), and, on side plate 11, the middle part of the position corresponding with through hole 111 is emptied, on side plate 11, the position corresponding with through hole 111 forms the second lightening hole 115(as shown in Figure 3 and Figure 5), the first lightening hole 113 and the second lightening hole 115 are communicated with on the length direction of monitor frame 1, so that alleviate the weight of monitor frame 1.It should be noted that, in other embodiments, in order to ensure the intensity of monitor frame 1, lightening hole 113,115 on side plate 11 can suitably be offered, for example, the first lightening hole 113 or the second lightening hole 115 can be only set, first lightening hole 113 also can be only set but not two shown in the present embodiment.In addition, top board 13 is positioned at one end corresponding with anti-twisting equipment 15 of side plate 11, and top board 13 is provided with a slip through hole 131.Base plate 15 is removably fixed on one end relative with anti-twisting equipment 15 of side plate 11.The middle part of base plate 15 is provided with the tapped bore 151 for fixing pulling type sensor 7, and the both sides of tapped bore 151 are provided with for base plate 15 being fixed to the screw thread fixed orifice on side plate 11.
Further, please refer to Fig. 6 and Fig. 7, arm-tie frame 3 is a U-shaped frame, and it comprises two side plates 31 that are parallel to each other and the base plate 33 that connects biside plate 31.On each side plate 31, be equipped with the waist shaped hole 311 that passes and can make installation shaft 9 move for installation shaft 9 therein.Base plate 33 is parallel to each other with the base plate 15 of monitor frame 1, and its length direction is all parallel with the axis of installation shaft 9.Base plate 33 is provided with a tapped bore 331 for fixing pulling type sensor 7.
The line of centers of anti-twisting equipment 5 is vertical with the axis of installation shaft 9.Anti-twisting equipment 5 comprises permanent seat 51, thrust ball bearing 52, deep groove ball bearing 53, pressing plate 54, rotating shaft 55, captive nut 56 and connector 57.Wherein, permanent seat 51 is U-shaped, and it is fixed on the open end of arm-tie frame 3.Thrust ball bearing 52 and deep groove ball bearing 53 are located in permanent seat 51.Pressing plate 54 is located at the opening part of permanent seat 51.One end of rotating shaft 55 is connected with connector 57, and the other end is rear fixing by captive nut 56 through permanent seat 51, thrust ball bearing 52, deep groove ball bearing 53 and pressing plate 54.One end of connector 57 is connected with rotating shaft 55, and the other end is for being connected with steel rope.The arranging of thrust ball bearing 52 and deep groove ball bearing 53 can make rotating shaft 55 freely rotate permanent seat 51 is interior, and can bear certain axial load and radial weight.In addition, in order to increase the dust-proof effect of permanent seat 51, the part that rotating shaft 55 is arranged in the closed end of permanent seat 51 is arranged with dust ring 58 outward.In order to prevent that captive nut 56 from getting loose owing to being given a shock etc. in former reason rotating shaft 55, is also fixed with the spring cotter 59 offseting with captive nut 56 in rotating shaft 55.
In addition, also it should be noted that the concrete structure of permanent seat 51, permanent seat 51 comprises a large-diameter portion 511 and a minor diameter part 512, large-diameter portion 511 is fixed in arm-tie frame 3, and minor diameter part 512 passes the slip through hole 131 of monitor frame 1 and can move along the length direction of monitor frame 1 relative to the top board of monitor frame 1 13.The large-diameter portion 511 of permanent seat 51 can directly be soldered on the side plate 31 of arm-tie frame 3, also can be as mode of the present utility model, as shown in Figure 7, the fixed plate 35 extending to above large-diameter portion 511 is set on arm-tie frame 3, and on this fixed plate 35, tapped bore is set, for wearing the screw 37 of fixing permanent seat 511.In other embodiment of the present utility model, permanent seat 51 also can comprise large-diameter portion 511 and minor diameter part 512 and directly be set as the structure that peripheral diameter is unified.
Further, please refer to Fig. 1, pulling type sensor 7 is located in monitor frame 1, and two opposite ends of pulling type sensor 7 are respectively equipped with a fixed bolt 71, and each fixed bolt 71 is provided with flange collar 73.One end of pulling type sensor 7 is fixedly connected with arm-tie frame 3 by fixed bolt 71, and other one end of pulling type sensor 7 is fixedly connected with monitor frame 1 by fixed bolt 71.
Please refer to Fig. 1, while assembling the stretching force detecting apparatus of steel rope of the present utility model, first, one end of pulling type sensor 7 is fixed on to the base plate 33 of arm-tie frame 3, the permanent seat of anti-twisting equipment 5 51 is fixed in arm-tie frame 3, and arm-tie frame 3 is placed in monitor frame 1; Then, by the rotating shaft of anti-twisting equipment 5 55 through the slip through hole 131 of monitor frame 1 and permanent seat 51 is rear locks and use spring cotter 59 to fix captive nut 56 with captive nut 56; Then, installation shaft 9, successively through after the through hole 111 of monitor frame 1 and the waist shaped hole 311 of arm-tie frame 3, is utilized to the screw lock installation shaft 9 that penetrates monitor frame 1 side plate 11, arm-tie frame 3 is installed on to monitor frame 1; Then, load onto the base plate 15 of monitor frame 1, make other one end of pulling type sensor 7 stretch out the base plate 15 of monitor frame 1; The fixed bolt 71 that utilizes afterwards nut locking pulling type sensor 7 other ends, is fixed to the other end of pulling type sensor 7 on the base plate 15 of monitor frame 1.
In the time need to the stretching force detecting apparatus of steel rope of the present utility model being mounted on hoisting crane, only need first the stretching force detecting apparatus of steel rope to be fixed on hoisting crane, then steel rope is fixed on to the connector 57 of anti-twisting equipment 5, mounting means is very simple, without bearing pin sensor is packed in sheave shaft, and can save the quantity of leading sheave, and simplify the baudrier of steel rope, thereby alleviate weight, saved space, reduced installation difficulty, reduced cost.
In the time utilizing the weight of steel rope lifting, weight pulls steel rope to apply pulling force to connector 57.Now; arm-tie frame 3 is under the pulling of anti-twisting equipment 5; move to the left side of Fig. 1 with respect to monitor frame 1; namely installation shaft 9 moves right and stretching pulling type sensor 7 in waist shaped hole 311 with respect to arm-tie frame 3; make pulling type sensor 7 pulling force of steel rope be detected; thereby can judge that whether weight is overweight according to the pulling force detecting, and can further play the effect of prompting, warning operating personal, to protect the use safety of tower crane.
It should be noted that, in the above-described embodiments, through hole 111 and waist shaped hole 311 are located at respectively on monitor frame 1 and arm-tie frame 3, understandable, in other embodiment of the present utility model, the position of through hole and waist shaped hole can exchange, be located on arm-tie frame by through hole, and waist shaped hole is located on monitor frame, and keep structure and the invariant position of other parts in described embodiment above, can play equally and make arm-tie frame can be under the pulling of steel rope move and pull the effect of pulling type sensor along the length direction of monitor frame.
In sum, while use due to the stretching force detecting apparatus of steel rope of the present utility model, only steel rope need be fixed on to the connector of anti-twisting equipment, anti-the turning round and the detection of lineoutofservice signal pull that can realize steel rope, mounting means is very simple, without bearing pin sensor is packed in sheave shaft; And, make on hoisting crane without the too much leading sheave that arranges, also without the wiring process of too complex, thereby alleviate weight, saved space, reduce installation difficulty and cost.In dismounting or maintenance process, only need untie rope lock, convenient disassembly.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. the stretching force detecting apparatus of a steel rope, it is characterized in that: it comprises monitor frame, arm-tie frame and pulling type sensor, described arm-tie frame and described pulling type sensor are positioned at described monitor frame, the two ends of described pulling type sensor are connected with described arm-tie frame with described monitor frame respectively, the two ends of described arm-tie frame are respectively used to be connected with described pulling type sensor with steel rope, and described arm-tie frame can move and pull described pulling type sensor along the length direction of described monitor frame under the pulling of steel rope.
2. the stretching force detecting apparatus of steel rope as claimed in claim 1, it is characterized in that: one of them of described arm-tie frame and described monitor frame is provided with waist shaped hole, described arm-tie frame and described monitor frame wherein another is provided with the through hole corresponding with described waist shaped hole, described arm-tie frame is fixed in described monitor frame by the installation shaft of passing described waist shaped hole and described through hole, and can move with respect to described monitor frame along the length direction of described monitor frame.
3. the stretching force detecting apparatus of steel rope as claimed in claim 2, it is characterized in that: described monitor frame and described arm-tie frame include two side plates that are parallel to each other, described through hole is located on one of them side plate of described monitor frame and described arm-tie frame, described waist shaped hole is located on wherein another the side plate of described monitor frame and described arm-tie frame, the described side plate that through hole is set is provided with tapped bore above described through hole, and described tapped bore is interior for wearing the screw of fixing described installation shaft.
4. the stretching force detecting apparatus of steel rope as claimed in claim 3, it is characterized in that: the part that is positioned at described through hole or described waist shaped hole both sides on the side plate of described monitor frame is emptied and forms the first lightening hole in the both sides of described through hole or described waist shaped hole, and on the side plate of described monitor frame, the middle part of the position corresponding with described through hole or waist shaped hole is emptied, position corresponding with described through hole or waist shaped hole on described side plate forms the second lightening hole, and described the first lightening hole is communicated with on the length direction of described monitor frame with described the second lightening hole.
5. the stretching force detecting apparatus of steel rope as claimed in claim 1, it is characterized in that: one end relative with described pulling type sensor of described arm-tie frame is fixed with anti-twisting equipment, described anti-twisting equipment comprises permanent seat, rotating shaft and connector, described permanent seat is connected with described arm-tie frame, described rotating shaft is arranged in described permanent seat and can rotates relative to described permanent seat, one end of described connector is connected with described rotating shaft, and the other end is for being connected with steel rope.
6. the stretching force detecting apparatus of steel rope as claimed in claim 5, it is characterized in that: described arm-tie frame and described permanent seat all take the shape of the letter U, described permanent seat is fixed on the open end of described arm-tie frame, thrust ball bearing and deep groove ball bearing are installed in described permanent seat, described rotating shaft is provided with outside thread away from one end of described connector, and described rotating shaft is fixed by a captive nut be located at the pressing plate of permanent seat opening part through permanent seat, thrust ball bearing, deep groove ball bearing and after.
7. the stretching force detecting apparatus of steel rope as claimed in claim 5, it is characterized in that: the corresponding described anti-twisting equipment of described monitor frame is provided with a top board, on described top board, offer a slip through hole, described permanent seat comprises a large-diameter portion and a minor diameter part, described large-diameter portion is fixed in described arm-tie frame, and described minor diameter part passes described slip through hole and can move along the length direction of described monitor frame relative to the top board of described monitor frame.
8. the stretching force detecting apparatus of steel rope as claimed in claim 5, it is characterized in that: described arm-tie frame has the fixed plate that extends to described permanent seat top, described fixed plate is provided with tapped bore, and described tapped bore is interior for wearing the screw of fixing described permanent seat.
9. the stretching force detecting apparatus of steel rope as claimed in claim 5, is characterized in that: described permanent seat is soldered in described arm-tie frame.
10. the stretching force detecting apparatus of steel rope as claimed in claim 1, it is characterized in that: described monitor frame is equipped with the base plate corresponding with pulling type sensor with described arm-tie frame, the two ends of described pulling type sensor are separately fixed on the base plate of described monitor frame and the base plate of described arm-tie frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098323.4U CN203715134U (en) | 2014-03-05 | 2014-03-05 | Steel wire rope tension detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098323.4U CN203715134U (en) | 2014-03-05 | 2014-03-05 | Steel wire rope tension detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203715134U true CN203715134U (en) | 2014-07-16 |
Family
ID=51154302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420098323.4U Expired - Lifetime CN203715134U (en) | 2014-03-05 | 2014-03-05 | Steel wire rope tension detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203715134U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386265A (en) * | 2014-12-15 | 2015-03-04 | 中国飞机强度研究所 | Actuator cylinder twisting prevention device |
| CN105403459A (en) * | 2015-12-28 | 2016-03-16 | 天津易联创新机电有限公司 | Tension tester |
-
2014
- 2014-03-05 CN CN201420098323.4U patent/CN203715134U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386265A (en) * | 2014-12-15 | 2015-03-04 | 中国飞机强度研究所 | Actuator cylinder twisting prevention device |
| CN105403459A (en) * | 2015-12-28 | 2016-03-16 | 天津易联创新机电有限公司 | Tension tester |
| CN105403459B (en) * | 2015-12-28 | 2018-08-07 | 刘波 | Tension tester |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
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| CX01 | Expiry of patent term |