CN115931542A - Suspension testing device for testing torsion of flat steel strip and testing method thereof - Google Patents
Suspension testing device for testing torsion of flat steel strip and testing method thereof Download PDFInfo
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- CN115931542A CN115931542A CN202310005029.8A CN202310005029A CN115931542A CN 115931542 A CN115931542 A CN 115931542A CN 202310005029 A CN202310005029 A CN 202310005029A CN 115931542 A CN115931542 A CN 115931542A
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Abstract
The invention discloses a suspension testing device for testing the torsion of a flat steel strip and a testing method thereof, relates to the technical field of suspension testing devices, and aims to solve the problems that the existing testing device has more guiding resistance when being used, the smoothness cannot be guaranteed, the stability of a lifting hook after being pulled in place is poor, and the testing accuracy is influenced because different pulling weights cause different degrees of shaking easily. The support vertical seat is arranged at one end of the top seat plate, the support vertical seat and the top seat plate are integrally formed, an extension seat plate is arranged at the lower end of the support vertical seat, and the extension seat plate and the support vertical seat are integrally formed; further comprising: the electric hoist is arranged at the bottom of the top seat plate, and a lifting hook is arranged at the output end of the electric hoist; the guide support is arranged at one end of the extension seat plate, the guide support and the extension seat plate are integrally formed, and a guide square groove is formed in the guide support.
Description
Technical Field
The invention relates to the technical field of suspension testing devices, in particular to a suspension testing device for testing the torsion of a flat steel strip and a testing method thereof.
Background
The elevator steel band is the platykurtic steel band that is used for promoting elevator car, inside is a plurality of wire rope, outside cladding plastic material, the steel band is arranged from the top down in elevator car, the centre does not touch any object and is the freely state of dangling, upper portion is the hauler drive shaft, the lower part is the pulley of car or counter weight, then the steel band gets back to the roof again and fixes in the computer lab, if the steel wire has remaining torsion, the steel band probably has the distortion, the distortion of transition can cause unpredictable result, present need measure this distortion, the requirement of flat steel band twist degree test is to promote one section flat steel band to the height more than six meters, observe and measure the twist degree of this section flat steel band under the action of gravity.
For example, the bulletin number is: CN206683970U (named as steel wire rope rotation degree testing device) comprises a supporting frame, a loading hook assembly and a detection assembly for detecting the rotation degree of a steel wire rope sample to be detected; the support frame comprises an upper support piece, a guide piece and a guide mechanism; the guide piece is positioned below the upper support piece and can move up and down along the guide mechanism in the vertical direction; the guide piece is provided with a rotating hole which penetrates through the guide piece up and down, the rotating hole is opposite to the upper supporting piece, the steel wire rope sample to be tested is arranged along the vertical direction, the circumferential position of the upper end of the steel wire rope sample to be tested is fixed and is connected with the upper supporting piece, and the lower end of the steel wire rope sample to be tested penetrates through the rotating hole; the loading hook assembly is arranged at the lower end of the steel wire rope sample to be tested and is fixed relative to the circumferential position of the lower end of the steel wire rope sample to be tested so as to drive the lower end of the steel wire rope sample to be tested to be twisted, and the loading hook assembly is provided with a hoisting position for hoisting weights.
The guide resistance of the lifting hook pulling of the testing device in the using process is large, the smoothness cannot be guaranteed, the stability of the lifting hook pulling in place is poor, different degrees of shaking are easily generated due to different pulling weights, and the problem that the testing accuracy is affected is caused.
Disclosure of Invention
The invention aims to provide a suspension testing device for testing the torsion of a flat steel strip and a testing method thereof, and aims to solve the problems that the existing testing device proposed in the background art has more guiding resistance pulled by a lifting hook in the using process, the fluency cannot be guaranteed, the stability of the lifting hook pulled in place is poor, and the testing accuracy is influenced due to different pulling weights, and different degrees of shaking are easily generated.
In order to achieve the purpose, the invention provides the following technical scheme: a suspension testing device for testing the torsion of a flat steel strip comprises a top seat plate, wherein one end of the top seat plate is provided with a supporting vertical seat, the supporting vertical seat and the top seat plate are integrally formed, the lower end of the supporting vertical seat is provided with an extension seat plate, and the extension seat plate and the supporting vertical seat are integrally formed;
further comprising:
the electric hoist is arranged at the bottom of the top seat plate, and the output end of the electric hoist is provided with a lifting hook;
the guide bracket is arranged at one end position of the extension seat plate, the guide bracket and the extension seat plate are integrally formed, a guide square groove is arranged in the guide bracket, the guide square groove and the guide bracket are integrally formed, and an internal connecting top seat is arranged in the guide square groove;
the square support is arranged at the bottom of the guide support, the square support and the guide support are integrally formed, guide rollers are arranged inside four notches of the square support, and the internally-connected top seat is movably connected with the guide support in a guide manner through the four guide rollers;
the bearing platform is arranged at the lower end of the internal connection top seat, the internal connection top seat and the bearing platform are integrally formed, and the size of the bearing platform is larger than the caliber of the guide square groove;
the wheel frame plate, it sets up on the lower extreme position of load-bearing platform, wheel frame plate and load-bearing platform integrated into one piece set up, and be provided with the lifting wheel between two wheel frame plates, the last flat steel band of putting of lifting wheel.
Preferably, two stroke switch push rods are arranged inside the internal connection top seat, and the stroke switch Guan Tuigan and the internal connection top seat are integrally formed.
Preferably, a travel switch is arranged above the travel switch push rod and is installed on the outer wall of the supporting vertical seat.
Preferably, the inner wall of the wheel frame plate is provided with a positioning circular groove, the positioning circular groove and the wheel frame plate are integrally formed, an inner connecting wheel shaft is arranged inside the positioning circular groove, and the inner connecting wheel shaft and the lifting wheel are integrally formed.
Preferably, a bearing is arranged on the outer wall of the square support, the bearing is fixedly connected with the square support through a screw, and rotating shafts at two ends of the guide roller are movably connected with the square support through the bearing.
Preferably, the upper end of electric block is provided with the fixed bolster, and the fixed bolster sets up with electric block integrated into one piece, and the fixed bolster passes through the bottom fixed mounting of screw and bedplate.
Preferably, the rear end faces of the top seat plate and the support vertical seat are provided with installation pore plates, and the installation pore plates, the top seat plate and the support vertical seat are integrally formed.
Preferably, the test method of the suspension test device for testing the torsion of the flat steel strip comprises the following steps:
the method comprises the following steps: lowering the lifting wheel to the ground, and then enabling one end of the flat steel belt to be tested to penetrate through the lifting wheel, so that the two ends of the flat steel belt to be tested are equal, and the center part of the flat steel belt to be tested is hung on the lifting wheel;
step two: then operating the electric hoist to lift the travel switch push rod to a position six meters high, and in the pulling process, the internal connection top seat is guided by the four guide rollers in an auxiliary mode, wherein the height of the guide rollers above the ground is six meters;
step three: after the square guide roller is pulled to the proper position, the internally connected top seat is collected into the guide square groove, and the bearing platform is in contact connection with the bottoms of the four guide rollers;
step four: when the lifting hook reaches the required height, the travel switch push rod touches the travel switch, so that the electric hoist cannot continuously rise, and the lifting wheel is positioned at the height position six meters away from the ground;
step five: and finally, observing and measuring the torsion of the flat steel belt in a gravity suspension state, and measuring the torsion of the flat steel belt when the flat steel belt is used for lifting the elevator car.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the lifting rope is connected to the lifting hook of the electric hoist, then the electric hoist is operated to lift the stroke switch push rod to a position six meters high, when the lifting hook reaches the required height, the stroke switch push rod touches the stroke switch, so that the electric hoist cannot continuously rise, the damage to the guide wheel mechanism caused by excessive rise of the testing device is avoided, and the problem that the testing accuracy is influenced because the lifting hook is easy to shake to different degrees due to different pulling weights in the use process of the existing testing device is solved.
2. In the process of pulling, the inscription footstock is assisted by four guide rollers and leads, and after the pulling is in place, the inscription footstock is taken into the inside of direction square groove, and load-bearing platform is connected with the bottom contact of four guide rollers, has overcome the problem that current testing arrangement was more at the in-process lifting hook pulling's that uses direction resistance, and the smoothness degree can not obtain the guarantee.
Drawings
FIG. 1 is a schematic view of the overall structure of a suspension testing device for testing the torsion of a flat steel strip according to the present invention;
FIG. 2 is an elevational view of the overall construction of the present invention;
FIG. 3 is a side view of the overall structure of the present invention;
FIG. 4 is an enlarged view of the structure of part A of the present invention;
FIG. 5 is a schematic view of the structure of the load-bearing platform and the wheel frame of the present invention;
in the figure: 1. a top seat plate; 2. installing a pore plate; 3. a support stand; 4. an electric hoist; 5. fixing a bracket; 6. a guide bracket; 7. an extension seat plate; 8. a hook; 9. a guide square groove; 10. the top seat is internally connected; 11. a travel switch push rod; 12. a load-bearing platform; 13. a wheel frame plate; 14. a lifting wheel; 15. a flat steel strip; 16. a square bracket; 17. a guide roller; 18. a bearing; 19. an inner connecting wheel shaft; 20. positioning the circular groove; 21. a travel switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: a suspension testing device for testing the torsion of a flat steel strip comprises a top seat plate 1, wherein one end of the top seat plate 1 is provided with a supporting vertical seat 3, the supporting vertical seat 3 and the top seat plate 1 are integrally formed, the lower end of the supporting vertical seat 3 is provided with an extension seat plate 7, and the extension seat plate 7 and the supporting vertical seat 3 are integrally formed;
further comprising:
the electric hoist 4 is arranged at the bottom of the top seat plate 1, and a lifting hook 8 is arranged at the output end of the electric hoist 4;
the guide bracket 6 is arranged at one end of the extension seat plate 7, the guide bracket 6 and the extension seat plate 7 are integrally formed, a guide square groove 9 is formed in the guide bracket 6, the guide square groove 9 and the guide bracket 6 are integrally formed, and an internal connection top seat 10 is arranged in the guide square groove 9;
the square support 16 is arranged at the bottom of the guide support 6, the square support 16 and the guide support 6 are integrally formed, guide rollers 17 are arranged inside four notches of the square support 16, and the internally-connected top seat 10 is movably connected with the guide support 6 in a guide mode through the four guide rollers 17;
the bearing platform 12 is arranged at the lower end of the internal top seat 10, the internal top seat 10 and the bearing platform 12 are integrally formed, and the size of the bearing platform 12 is larger than the caliber of the guide square groove 9;
and the wheel frame plates 13 are arranged at the lower end position of the bearing platform 12, the wheel frame plates 13 and the bearing platform 12 are integrally formed, a lifting wheel 14 is arranged between the two wheel frame plates 13, and a flat steel belt 15 is placed on the lifting wheel 14.
Referring to fig. 1, two travel switch push rods 11 are disposed inside the internal top seat 10, and the travel switch push rods 11 and the internal top seat 10 are integrally formed.
Referring to fig. 1, a travel switch 21 is disposed above the travel switch push rod 11, and the travel switch 21 is mounted on the outer wall of the supporting vertical base 3.
Referring to fig. 5, a positioning circular groove 20 is formed on an inner wall of the wheel frame plate 13, the positioning circular groove 20 is integrally formed with the wheel frame plate 13, an inner-connected wheel shaft 19 is disposed inside the positioning circular groove 20, and the inner-connected wheel shaft 19 is integrally formed with the lifting wheel 14.
Referring to fig. 4, a bearing 18 is disposed on an outer wall of the square support 16, the bearing 18 is fixedly connected with the square support 16 through a screw, and a rotating shaft at two ends of the guide roller 17 is movably connected with the square support 16 through the bearing 18.
Referring to fig. 1, a fixing bracket 5 is disposed at an upper end of an electric hoist 4, the fixing bracket 5 and the electric hoist 4 are integrally formed, and the fixing bracket 5 is fixedly mounted at a bottom of a top seat plate 1 by a screw.
Referring to fig. 1, the back end faces of the top seat plate 1 and the supporting vertical seat 3 are provided with an installation pore plate 2, and the installation pore plate 2, the top seat plate 1 and the supporting vertical seat 3 are integrally formed.
Referring to fig. 1 to 5, a method for testing a suspension testing device for testing the torsion of a flat steel strip includes the following steps:
the method comprises the following steps: lowering the lifting wheel 14 to the ground, and then passing one end of the flat steel strip to be tested through the lifting wheel 14, so that the two ends of the flat steel strip to be tested are equal, and the central part of the flat steel strip to be tested is hung on the lifting wheel 14;
step two: then operating the electric hoist 4 to lift the travel switch push rod 11 to a position six meters high, and in the pulling process, the internal connection top seat 10 is guided by the four guide rollers 17 in an auxiliary mode, wherein the ground clearance of the guide rollers 17 is six meters;
step three: after the square guide roller is pulled to the right position, the internal top seat 10 is retracted into the guide square groove 9, and the bearing platform 12 is in contact connection with the bottoms of the four guide rollers 17;
step four: when the lifting hook 8 reaches the required height, the travel switch push rod 11 touches the travel switch 21, so that the electric hoist 4 cannot continuously ascend, and the lifting wheel 14 is positioned at a height position six meters away from the ground;
step five: and finally, observing and measuring the torsion of the flat steel belt in a gravity suspension state, and measuring the torsion of the flat steel belt when the flat steel belt is used for lifting the elevator car.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A suspension testing device for testing the torsion degree of a flat steel strip comprises a top seat plate (1), wherein one end of the top seat plate (1) is provided with a supporting vertical seat (3), the supporting vertical seat (3) and the top seat plate (1) are integrally formed, the lower end of the supporting vertical seat (3) is provided with an extending seat plate (7), and the extending seat plate (7) and the supporting vertical seat (3) are integrally formed;
the method is characterized in that: further comprising:
the electric hoist (4) is arranged at the bottom of the top seat plate (1), and a lifting hook (8) is arranged at the output end of the electric hoist (4);
the guide support (6) is arranged at one end of the extension seat plate (7), the guide support (6) and the extension seat plate (7) are integrally formed, a guide square groove (9) is formed in the guide support (6), the guide square groove (9) and the guide support (6) are integrally formed, and an inscribed top seat (10) is arranged in the guide square groove (9);
the square support (16) is arranged at the bottom of the guide support (6), the square support (16) and the guide support (6) are integrally formed, guide rollers (17) are arranged inside four notches of the square support (16), and the internally-connected top seat (10) is movably connected with the guide support (6) in a guide mode through the four guide rollers (17);
the bearing platform (12) is arranged at the lower end of the inner connecting top seat (10), the inner connecting top seat (10) and the bearing platform (12) are integrally formed, and the size of the bearing platform (12) is larger than the caliber of the guide square groove (9);
the wheel frame plates (13) are arranged at the lower end of the bearing platform (12), the wheel frame plates (13) and the bearing platform (12) are integrally formed, a lifting wheel (14) is arranged between the two wheel frame plates (13), and a flat steel belt (15) is placed on the lifting wheel (14).
2. A suspension test device for testing the torsion of a flat steel strip according to claim 1, characterized in that: two travel switch push rods (11) are arranged inside the internally-connected top seat (10), and the travel switch push rods (11) and the internally-connected top seat (10) are integrally formed.
3. A suspension test device for testing the torsion of a flat steel strip according to claim 2, characterized in that: a travel switch (21) is arranged above the travel switch push rod (11), and the travel switch (21) is installed on the outer wall of the supporting vertical seat (3).
4. A suspension test device for testing the torsion of a flat steel strip according to claim 3, characterized in that: the inner wall of the wheel frame plate (13) is provided with a positioning circular groove (20), the positioning circular groove (20) and the wheel frame plate (13) are integrally formed, an inner connecting wheel shaft (19) is arranged inside the positioning circular groove (20), and the inner connecting wheel shaft (19) and the lifting wheel (14) are integrally formed.
5. The suspension test device for testing the torsion degree of the flat steel strip according to claim 4, wherein: the outer wall of the square support (16) is provided with a bearing (18), the bearing (18) is fixedly connected with the square support (16) through a screw, and rotating shafts at two ends of the guide roller (17) are movably connected with the square support (16) through the bearing (18).
6. The suspension test device for testing the torsion of the flat steel strip according to claim 5, wherein: the electric hoist is characterized in that a fixing support (5) is arranged at the upper end of the electric hoist (4), the fixing support (5) and the electric hoist (4) are integrally formed, and the fixing support (5) is fixedly installed at the bottom of the top seat plate (1) through a screw.
7. The suspension test device for testing the torsion of the flat steel strip according to claim 6, wherein: the rear end faces of the ejector seat plate (1) and the support vertical seat (3) are provided with installation pore plates (2), and the installation pore plates (2) are integrally formed with the ejector seat plate (1) and the support vertical seat (3).
8. The method of claim 7, comprising the steps of:
the method comprises the following steps: lowering the lifting wheel (14) to the position of the ground, and then passing one end of the flat steel strip to be tested through the lifting wheel (14) so that the two ends of the flat steel strip to be tested are equal, and hanging the central part on the lifting wheel (14);
step two: then operating the electric hoist (4) to lift the travel switch push rod (11) to a position six meters high, and in the pulling process, the internally-connected top seat (10) is guided by four guide rollers (17) in an auxiliary way, wherein the height of the guide rollers (17) from the ground is six meters;
step three: after the square guide roller is pulled to the position, the internally connected top seat (10) is retracted into the guide square groove (9), and the bearing platform (12) is in contact connection with the bottoms of the four guide rollers (17);
step four: when the lifting hook (8) reaches the required height, the travel switch push rod (11) touches the travel switch (21), so that the electric hoist (4) cannot continuously rise, and the lifting wheel (14) is positioned at a height position six meters away from the ground;
step five: and finally, observing and measuring the torsion of the flat steel belt in a gravity suspension state, and measuring the torsion of the flat steel belt when the flat steel belt is used for lifting the elevator car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310005029.8A CN115931542A (en) | 2023-01-04 | 2023-01-04 | Suspension testing device for testing torsion of flat steel strip and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310005029.8A CN115931542A (en) | 2023-01-04 | 2023-01-04 | Suspension testing device for testing torsion of flat steel strip and testing method thereof |
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| Publication Number | Publication Date |
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| CN115931542A true CN115931542A (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310005029.8A Pending CN115931542A (en) | 2023-01-04 | 2023-01-04 | Suspension testing device for testing torsion of flat steel strip and testing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558985A (en) * | 2023-06-07 | 2023-08-08 | 广东嘉元科技股份有限公司 | Foil-making cathode roller performance detection equipment |
-
2023
- 2023-01-04 CN CN202310005029.8A patent/CN115931542A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558985A (en) * | 2023-06-07 | 2023-08-08 | 广东嘉元科技股份有限公司 | Foil-making cathode roller performance detection equipment |
| CN116558985B (en) * | 2023-06-07 | 2023-12-15 | 广东嘉元科技股份有限公司 | Foil-making cathode roller performance detection equipment |
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