CN106959185B - Jack handle operating force test system - Google Patents
Jack handle operating force test system Download PDFInfo
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- CN106959185B CN106959185B CN201710142823.1A CN201710142823A CN106959185B CN 106959185 B CN106959185 B CN 106959185B CN 201710142823 A CN201710142823 A CN 201710142823A CN 106959185 B CN106959185 B CN 106959185B
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- handle
- jack
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- sliding
- sliding block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
- G01L5/223—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers to joystick controls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a jack handle operating force testing system which comprises a connecting bracket, a horizontal transverse plate, a sliding bar, a sliding block and an operating arm, wherein a connecting piece for connecting a jack handle to be tested is arranged on the operating arm, a force transducer is arranged on the connecting piece, and self-locking components are arranged on the horizontal transverse plate, the sliding bar and the sliding block; the invention has the advantages that: the connecting piece and the jack handle are arranged on the operating arm, the jack handle is rocked through the operating arm, the operating force borne by the jack handle is tested through the force transducer when rocked, the test of the jack on the operating force of the jack during dynamic test can be realized, the analysis of operators is facilitated, the horizontal transverse plate can be respectively adjusted to slide up and down on the connecting support according to the jacks of different models, the sliding bar can slide horizontally on the horizontal transverse plate, the sliding block can slide left and right on the sliding bar, and the test of the handle operating force under different pressing angles and pressing strokes can be adapted.
Description
Technical Field
The invention relates to a jack handle operating force testing system.
Background
The jack is mainly used for lifting, supporting heavy objects and other works, the structure of the jack is light, firm, flexible and reliable, one person can carry and operate the jack, the jack is practical and rigid, the jack is used as a working duty, the jack is widely applied to construction, production and overhaul of cable engineering through a top bracket or a bottom supporting claw for lifting light and small lifting equipment of the heavy objects in a small stroke, especially in equipment installation, lifting, disassembly, debugging and other works, the jack is a powerful arm of an operator, the bearing stability and reliability of the jack are directly related to safety of the operator and equipment, the application number is 200920113597.5 and the Chinese patent with the application date of 2009.2.9 discloses a jack load dynamic pre-test system.
Disclosure of Invention
The invention aims to provide a jack handle operating force testing system, which solves the problem that the handle operating force cannot be accurately tested in the existing jack dynamic test.
In order to solve the technical problems, the invention is realized by the following technical scheme: the jack handle operating force testing system comprises a connecting support, a horizontal transverse plate, a sliding bar, a sliding block and an operating arm, wherein the horizontal transverse plate slides up and down on the connecting support, the sliding bar slides left and right on the horizontal transverse plate, the operating arm is obliquely arranged on the sliding block, a connecting piece for connecting a jack handle to be tested is arranged on the operating arm, a force sensor is arranged on the connecting piece, and self-locking assemblies are arranged on the horizontal transverse plate, the sliding bar and the sliding block.
Preferably, the operating arm comprises a mounting plate, a push rod servo motor and a controller, wherein the mounting plate is obliquely arranged on the sliding block, the push rod servo motor and the controller are both arranged on the mounting plate, the controller is connected with the push rod servo motor, the connecting piece is arranged at the bottom end of the push rod servo motor, the inclination angle of the mounting plate can be set according to jacks of different models, the practicability is good, the handle can be repeatedly operated by controlling the push rod servo motor to stretch out and contract through the controller, the control sensitivity is high, and the safety performance is good.
Preferably, the mounting panel includes first connecting plate, riser and second connecting plate, and the top of riser links to each other with first connecting plate, and the bottom of riser links to each other with the second connecting plate, and controller fixed connection is on the second connecting plate, and push rod servo motor sets up on first connecting plate, is equipped with fastening bolt on the riser, and fastening bolt's screw rod end sets up on push rod servo motor, can improve push rod servo motor's fixed reliability, and the security performance is high.
Preferably, the connecting piece includes connecting rod, briquetting, first clamp block and second clamp block, and the one end fixed connection of connecting rod links to each other on push rod servo motor, and the other end and the briquetting of connecting rod are equipped with the connecting axle of fixed first clamp block on the briquetting, force transducer sets up on the connecting axle between briquetting and first clamp block, forms the fixed orifices between first clamp block and the second clamp block, can reduce force transducer's damage, improves force transducer's life.
Preferably, the first clamping block and the second clamping block are respectively provided with a V-shaped groove, a fixing hole is formed between the two V-shaped grooves, one end of the second clamping block is rotationally connected with one end of the first clamping block, the other end of the second clamping block is fixedly connected with the other end of the first clamping block through a bolt assembly, jack handles of different models can be adapted, and the clamping effect is good.
Preferably, the connecting support is provided with a first screw rod, the horizontal cross plate is provided with a first bearing, the first bearing is arranged on the first screw rod, the first screw rod is connected with a driving assembly, the connecting support is provided with a vertical linear guide rail, the horizontal cross plate is provided with a first sliding block, the first sliding block is arranged on the vertical linear guide rail, the self-locking assembly is arranged on the first sliding block, the first bearing is driven to slide on the first screw rod through rotation of the first screw rod, the rotation direction of the first screw rod is controlled through the rotation direction of the driving assembly, the first bearing is controlled to ascend and descend on the first screw rod, the straightness of the horizontal cross plate during ascending and descending is guaranteed through the sliding of the first sliding block on the vertical linear guide rail, and the self-locking assembly is arranged on the first sliding block and can lock the first sliding block on the vertical linear guide rail.
Preferably, the drive assembly includes worm gear reducer, shaft coupling and first handle, and worm gear reducer includes input and output, and first handle sets up on the input, and the output passes through the shaft coupling and links to each other with first lead screw, can effectually reduce the gliding speed from top to bottom of horizontal diaphragm, the security when guaranteeing to slide from top to bottom.
Preferably, the horizontal cross plate is provided with a second screw rod, the slide bar is provided with a second bearing, the second bearing is arranged on the second screw rod, the second screw rod is provided with a second handle, the horizontal cross plate is provided with a horizontal linear guide rail, the slide bar is provided with a second sliding block, the second sliding block is arranged on the horizontal linear guide rail, the self-locking assembly is arranged on the second sliding block, the second handle controls the second screw rod to rotate so as to drive the second bearing to horizontally move, and the second sliding block slides on the horizontal linear guide rail, so that the straightness of the slide bar during horizontal sliding is ensured.
Preferably, a third screw rod is arranged on the sliding strip, a third bearing is arranged on the sliding block, the third bearing is arranged on the third screw rod, a third handle is arranged on the third screw rod, a linear guide rail is arranged on the sliding strip, a third sliding block is arranged on the sliding block, the third sliding block is arranged on the linear guide rail, the self-locking assembly is arranged on the third sliding block, the third handle controls the third screw rod to rotate to drive the third bearing to move left and right, and the straightness of the sliding block during left and right sliding is guaranteed through the sliding of the third sliding block on the linear guide rail.
Preferably, the self-locking assembly comprises a shaft sleeve and a rotating shaft arranged in the shaft sleeve, wherein a magnet is arranged at one end of the rotating shaft, an operating rod fixed by a screw is arranged at the other end of the rotating shaft, positioning holes for positioning the shaft sleeve are formed in the first sliding block, the second sliding block and the third sliding block, the rotating shaft is controlled to rotate in the shaft sleeve by the operating rod, the first sliding block, the second sliding block and the third sliding block are locked by the magnet attraction with the vertical linear guide rail, the horizontal linear guide rail and the linear guide rail respectively, the structure is simple, the installation and the disassembly are convenient, the self-locking function of the horizontal transverse plate, the sliding strip and the sliding block can be realized rapidly, and the operating rod is arranged and is convenient for operators to operate.
In summary, the invention has the advantages that: 1. the connecting piece and the jack handle are arranged on the operating arm, the operating arm is used for realizing the shaking of the jack handle, and the force sensor is used for testing the operating force born by the jack handle when the jack is shaking, so that the test of the operating force of the jack during dynamic test can be realized, the analysis of operators is facilitated, and the use effect is good;
2. according to the jacks of different types, the horizontal transverse plate is respectively adjusted to slide up and down on the connecting support, the sliding bar horizontally slides on the horizontal transverse plate, the sliding block horizontally slides on the sliding bar, the test device can adapt to tests of different pressing angles and handle operating forces under pressing strokes, and the practicability is good;
3. the self-locking assembly is arranged, the adjusted horizontal transverse plate, the sliding bar and the sliding block can be locked, the stability of the operation arm during pressing operation is guaranteed, the safety performance is improved, and the accuracy of the handle operation force test is improved.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a jack handle operating force testing system of the present invention;
FIG. 2 is a schematic view of the structure of the operating arm of the present invention;
FIG. 3 is a schematic view of a connector according to the present invention;
FIG. 4 is a schematic view of the structure of the horizontal cross plate and the connecting bracket of the present invention;
FIG. 5 is a schematic diagram of a driving assembly according to the present invention;
FIG. 6 is a schematic view of the structure of the slide bar and horizontal cross plate of the present invention;
FIG. 7 is a schematic diagram of a slider and a slider according to the present invention;
FIG. 8 is a schematic structural view of the self-locking assembly of the present invention.
Detailed Description
Embodiment one:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, the jack handle operation force testing system comprises a connecting bracket l, a horizontal transverse plate 2 sliding up and down on the connecting bracket l, a sliding bar 3 sliding horizontally on the horizontal transverse plate 2, a sliding block 4 sliding left and right on the sliding bar 3, and an operation arm 5 obliquely arranged on the sliding block 4, wherein a connecting piece 7 for connecting the jack handle to be tested is arranged on the operation arm 5, a force sensor 6 is arranged on the connecting piece 7, and self-locking assemblies 8 are arranged on the horizontal transverse plate 2, the sliding bar 3 and the sliding block 4.
The operating arm 5 comprises a mounting plate 51, a push rod servo motor 52 and a controller 53, wherein the mounting plate 51 is obliquely arranged on the sliding block 4, the push rod servo motor 52 and the controller 53 are both arranged on the mounting plate 51, the controller 53 is connected with the push rod servo motor 52, the connecting piece 7 is arranged at the bottom end of the push rod servo motor 52, the inclination angle of the mounting plate can be set according to jacks of different models, the practicability is good, the handle can be repeatedly operated by controlling the push rod servo motor to stretch out and contract through the controller, the control sensitivity is high, and the safety performance is good.
The mounting plate 51 comprises a first connecting plate 54, a vertical plate 55 and a second connecting plate 56, the top end of the vertical plate 55 is connected with the first connecting plate 54, the bottom end of the vertical plate 55 is connected with the second connecting plate 56, the controller 53 is fixedly connected to the second connecting plate 56, the push rod servo motor 52 is arranged on the first connecting plate 54, the vertical plate 55 is provided with a fastening bolt 57, the screw end of the fastening bolt 57 is arranged on the push rod servo motor 52, the fixing reliability of the push rod servo motor can be improved, the safety performance is high, the connecting piece 7 comprises a connecting rod 71, a pressing block 72, a first clamping block 73 and a second clamping block 74, one end of the connecting rod 71 is fixedly connected to the push rod servo motor 52, the other end of the connecting rod 71 is connected with the pressing block 72, a connecting shaft 75 for fixing the first clamping block 73 is arranged on the pressing block 72, the force transducer 6 is arranged on the connecting shaft 75 between the pressing block 72 and the first clamping block 73, a fixing hole 70 is formed between the first clamping block 73 and the second clamping block 74, the service life of the force transducer can be prolonged, the first clamping block 73 and the second clamping block 74 are provided with V-shaped grooves, the other ends of the two clamping blocks are not fixedly connected to each other end of the first clamping block 76, and the second clamping block is not fixedly connected to the other end of the first clamping block through the V-shaped groove, and the second clamping block is fixedly connected to the second clamping block 76.
The connecting bracket l is provided with a first screw rod 11, the horizontal transverse plate 2 is provided with a first bearing 21, the first bearing 21 is arranged on the first screw rod, the first screw rod 11 is connected with a driving component 9, the connecting bracket l is provided with a vertical linear guide rail 12, the horizontal transverse plate 2 is provided with a first sliding block 22, the first sliding block 22 is arranged on the vertical linear guide rail 12, the self-locking component 8 is arranged on the first sliding block 22, the first bearing is driven to slide on the first screw rod through rotation of the first screw rod, the rotation direction of the first screw rod is controlled through the rotation direction of the driving component, the first bearing is controlled to ascend and descend on the first screw rod, straightness of the horizontal transverse plate during ascending and descending is guaranteed through sliding of the first sliding block on the vertical linear guide rail, the self-locking component is arranged on the first sliding block, the first sliding block can be locked on the vertical linear guide rail, the driving component 9 comprises a worm gear speed reducer 91, a speed reducer 92 and a first handle 93, the speed reducer 91 comprises an input end and an output end, the first handle 93 is arranged on the input end, and the output end is connected with the first sliding plate through the worm gear 92 in a horizontal sliding mode, and the safety of the first sliding plate can be effectively guaranteed.
The horizontal transverse plate 2 is provided with a second screw rod 23, the slide bar 3 is provided with a second bearing 31, the second bearing 31 is arranged on the second screw rod 23, the second screw rod 23 is provided with a second handle 24, the horizontal transverse plate 2 is provided with a horizontal linear guide rail 25, the slide bar 3 is provided with a second sliding block 32, the second sliding block 32 is arranged on the horizontal linear guide rail 25, the self-locking assembly 8 is arranged on the second sliding block 32, the second handle controls the second screw rod to rotate so as to drive the second bearing to horizontally move, the second sliding block slides on the horizontal linear guide rail through the second sliding block, the straightness of the slide bar during horizontal sliding is guaranteed, the slide bar 3 is provided with a third screw rod 33, the slide block 4 is provided with a third bearing 41, the third bearing 41 is arranged on the third screw rod 33, the third screw rod 33 is provided with a third handle 34, the slide bar 3 is provided with a third sliding block 42, the third sliding block 42 is arranged on the linear guide rail 35, the self-locking assembly 8 is arranged on the third sliding block 42, and the third handle controls the third screw rod to rotate so as to drive the third screw rod to horizontally move, and the straightness of the slide bar is guaranteed through the third bearing during sliding on the left and right.
The self-locking assembly 8 comprises a shaft sleeve 80 and a rotating shaft 81 arranged in the shaft sleeve 80, wherein a magnet 82 is arranged at one end of the rotating shaft 81, an operating rod 84 fixed through a screw 83 is arranged at the other end of the rotating shaft 81, positioning holes for positioning the shaft sleeve 80 are formed in the first sliding block, the second sliding block and the third sliding block, the rotating shaft is controlled to rotate in the shaft sleeve through the operating rod, the first sliding block, the second sliding block and the third sliding block are locked through a vertical linear guide rail, a horizontal linear guide rail and a linear guide rail which are attracted by the magnet respectively, the structure is simple, the installation and the disassembly are convenient, the self-locking functions of a horizontal transverse plate, a sliding bar and the sliding block can be realized rapidly, the setting of the operating rod is convenient for operators to operate.
Embodiment two:
the jack handle operating force test system according to the first embodiment has the following difference that the self-locking assembly comprises an electromagnet and a power supply, the electromagnet is arranged on the horizontal linear guide rail, the power supply is connected with the electromagnet, a control button for controlling the power supply to be connected and disconnected is connected to the power supply, the on-control electromagnet of the power supply generates magnetic force to enable the horizontal linear guide rail to attract the second slide block, the magnetic force of the off-control electromagnet of the power supply disappears to enable the horizontal linear guide rail to be separated from the second slide block, rapid locking can be achieved, and the control button is convenient for operators to work.
Embodiment III:
the jack handle operating force testing system according to the first and second embodiments has the following differences that the self-locking assembly includes a nut and a screw, the nut is disposed on the third slider, the screw is disposed in the nut, and the locking and releasing of the third slider is controlled by adjusting the position of the screw in the nut, so that the jack handle operating force testing system is convenient to adjust and reliable to lock.
During the test, the handle of the jack to be tested is fixed in the fixed hole 70 formed between the first clamping block 73 and the second clamping block 74, then a constant pressure is applied to the jack, an operating force is applied to the handle by adjusting the operating arm 5 to enable the jack to be ejected, then the positions of the horizontal transverse plate 2, the sliding bar 3 and the sliding block 4 are adjusted, and the locking of the horizontal transverse plate 2, the sliding bar 3 and the sliding block 4 during the working of the operating arm 5 is realized through the self-locking assembly 8, so that the operating force applied to the handle by the load cell 6 under different angles and different strokes is collected.
In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.
Claims (6)
1. Jack handle operating force test system, its characterized in that: the automatic lifting device comprises a connecting support (1), a horizontal transverse plate (2) sliding up and down on the connecting support (1), a sliding bar (3) sliding horizontally on the horizontal transverse plate (2), a sliding block (4) sliding left and right on the sliding bar (3), and an operating arm (5) obliquely arranged on the sliding block (4), wherein a connecting piece (7) for connecting a handle of a jack to be tested is arranged on the operating arm (5), a force transducer (6) is arranged on the connecting piece (7), self-locking assemblies (8) are arranged on the horizontal transverse plate (2), the sliding bar (3) and the sliding block (4), the operating arm (5) comprises a mounting plate (51), a push rod servo motor (52) and a controller (53), the mounting plate (51) is obliquely arranged on the sliding block (4), the push rod servo motor (52) and the controller (53) are both arranged on the mounting plate (51), the controller (53) is connected with the push rod servo motor (52), and the connecting piece (7) is arranged at the bottom end of the push rod servo motor (52);
the mounting plate (51) comprises a first connecting plate (54), a vertical plate (55) and a second connecting plate (56), the top end of the vertical plate (55) is connected with the first connecting plate (54), the bottom end of the vertical plate (55) is connected with the second connecting plate (56), the controller (53) is fixedly connected to the second connecting plate (56), the push rod servo motor (52) is arranged on the first connecting plate (54), the vertical plate (55) is provided with a fastening bolt (57), and the screw rod end of the fastening bolt (57) is arranged on the push rod servo motor (52);
the connecting piece (7) comprises a connecting rod (71), a pressing block (72), a first clamping block (73) and a second clamping block (74), one end of the connecting rod (71) is fixedly connected to the push rod servo motor (52), the other end of the connecting rod (71) is connected with the pressing block (72), a connecting shaft (75) for fixing the first clamping block (73) is arranged on the pressing block (72), the force transducer (6) is arranged on the connecting shaft (75) between the pressing block (72) and the first clamping block (73), and a fixing hole (70) is formed between the first clamping block (73) and the second clamping block (74);
v-shaped grooves (76) are formed in the first clamping block (73) and the second clamping block (74), a fixing hole (70) is formed between the two V-shaped grooves (76), one end of the second clamping block is rotationally connected to one end of the first clamping block, and the other end of the second clamping block is fixedly connected to the other end of the first clamping block through a bolt assembly;
during the test, the handle of the jack to be tested is fixed in a fixed hole (70) formed between a first clamping block (73) and a second clamping block (74), then a constant pressure is applied to the jack, an operating force is applied to the handle through an adjusting operation arm (5) to enable the jack to be ejected out, then the positions of the horizontal transverse plate (2), the sliding bar (3) and the sliding block (4) are adjusted, and the locking of the horizontal transverse plate (2), the sliding bar (3) and the sliding block (4) during the operation of the operation arm (5) is realized through a self-locking assembly (8), so that the operating force applied to the handle by a force sensor (6) under different angles and different strokes is collected.
2. A jack handle operating force testing system according to claim 1, wherein: be equipped with first lead screw (11) on linking bridge (1), be equipped with first bearing (21) on horizontal diaphragm (2), first bearing (21) set up on first lead screw (11), be connected with drive assembly (9) on first lead screw (11), and be equipped with vertical linear guide (12) on linking bridge (1), be equipped with first slider (22) on horizontal diaphragm (2), first slider (22) set up on vertical linear guide (12), self-locking component (8) set up on first slider (22).
3. A jack handle operating force testing system according to claim 2, wherein: the driving assembly (9) comprises a worm gear reducer (91), a coupler (92) and a first handle (93), wherein the worm gear reducer (91) comprises an input end and an output end, the first handle (93) is arranged on the input end, and the output end is connected with the first screw rod (11) through the coupler (92).
4. A jack handle operating force testing system according to claim 2, wherein: be equipped with second lead screw (23) on horizontal diaphragm (2), be equipped with second bearing (31) on slider (3), second bearing (31) set up on second lead screw (23), be equipped with second handle (24) on second lead screw (23), and be equipped with horizontal linear guide (25) on horizontal diaphragm (2), be equipped with second slider (32) on slider (3), second slider (32) set up on horizontal linear guide (25), self-locking subassembly (8) set up on second slider (32).
5. The jack handle operating force testing system of claim 4, wherein: be equipped with third lead screw (33) on slider (3), be equipped with third bearing (41) on slider (4), third bearing (41) set up on third lead screw (33), third lead screw (33) are equipped with third handle (34), and are equipped with linear guide (35) on slider (3), are equipped with third slider (42) on slider (4), third slider (42) set up on linear guide (35), self-locking subassembly (8) set up on third slider (42).
6. The jack handle operating force testing system of claim 5, wherein: the self-locking assembly (8) comprises a shaft sleeve (80) and a rotating shaft (81) arranged in the shaft sleeve (80), a magnet (82) is arranged at one end of the rotating shaft (81), an operating rod (84) fixed through a screw (83) is arranged at the other end of the rotating shaft (81), and positioning holes for positioning the shaft sleeve (80) are formed in the first sliding block, the second sliding block and the third sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710142823.1A CN106959185B (en) | 2017-03-10 | 2017-03-10 | Jack handle operating force test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142823.1A CN106959185B (en) | 2017-03-10 | 2017-03-10 | Jack handle operating force test system |
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| CN106959185A CN106959185A (en) | 2017-07-18 |
| CN106959185B true CN106959185B (en) | 2023-08-01 |
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| CN106959185A (en) | 2017-07-18 |
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