CN111257128B - Portable elevator door mechanical strength verifying attachment - Google Patents
Portable elevator door mechanical strength verifying attachment Download PDFInfo
- Publication number
- CN111257128B CN111257128B CN202010193997.2A CN202010193997A CN111257128B CN 111257128 B CN111257128 B CN 111257128B CN 202010193997 A CN202010193997 A CN 202010193997A CN 111257128 B CN111257128 B CN 111257128B
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- dwang
- transfer line
- portable
- elevator door
- fixedly connected
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/16—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces applied through gearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0411—Chucks, fixtures, jaws, holders or anvils using pneumatic or hydraulic pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a portable elevator door mechanical strength inspection device, and belongs to the field of elevator door inspection. The device is placed in front of and behind an elevator door, a laser distance meter on the upper side is used for measuring distance, then a servo motor arranged on the left side and the right side is started to drive a folding frame mechanism to operate and expand, so that a pressure bearing rod is in contact with the elevator door, then the servo motor is continuously started to push the elevator door, the force born by the elevator door can be measured, and the device is kept stable on the ground through a negative pressure fixing mechanism to prevent the device from moving due to the action force.
Description
Technical Field
The invention relates to the field of elevator door inspection, in particular to a portable elevator door mechanical strength inspection device.
Background
According to the requirements of GB7588-2003 "elevator safety manufacturing and installation codes", all landing doors and their locks should have such mechanical strength when the elevator landing doors are in the locked position: with 300N static force acting vertically on any position on any one face of door leaf or door frame and uniformly distributed at 5cm2On a circular or square area, should: permanent deformation is not more than 1 mm; elastic deformation is not more than 15 mm; after the test, the safety function of the door was not affected. With a static force of 1000N applied perpendicularly to any position on either side of the door leaf or frame and uniformly distributed over 100cm2Should have no significant permanent deformation affecting function and safety.
The existing portable elevator door mechanical strength testing device is inconvenient to carry and cannot be fixed.
Disclosure of Invention
The invention aims to provide a portable elevator door mechanical strength testing device for solving the problems that the elevator door is inconvenient to carry and cannot be fixed.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable elevator door mechanical strength inspection device, comprising: portable shell and laser range finder, folding frame mechanism is all installed to the portable shell left and right sides, the inside left and right sides of portable shell is fixed mounting servo motor all, servo motor main shaft middle part and running gear axle center fixed connection, fixed surface installs laser range finder on the portable shell, servo motor leans on outer one end and folding frame mechanism fixed connection, the running gear rear side leans on outer one side meshing with negative pressure fixed establishment to be connected.
Preferably, the folding frame mechanism comprises: dwang, transfer line, semi-gear, removal fixed frame and pressure-bearing rod, folding frame mechanism is formed by the combination in turn of the above-mentioned dwang of multiunit, transfer line and removal fixed frame, the servo motor main shaft leans on outer one end and dwang one end axle center fixed connection, the dwang other end and transfer line one end swing joint, the transfer line other end with remove fixed frame swing joint, dwang and transfer line below are arranged side by side has another set of dwang and transfer line, the disconnected one end of dwang and transfer line all fixed mounting have the semi-gear, dwang and transfer line are connected through semi-gear engagement between another set of dwang and the transfer line of arranging side by side rather than the below, folding frame mechanism tail end department and pressure-bearing rod one end swing joint.
Preferably, the negative pressure fixing mechanism includes: a transmission gear, a rotating screw rod, a moving ring, a telescopic air bag, a connecting pipe, a fixed sleeve, a telescopic spring and a moving sucker, the rear side of the rotating gear is engaged with the front side of the transmission gear, the axle center of the transmission gear is fixedly connected with the outer end of the rotating screw rod, the left side and the right side of the rotating screw rod are movably connected with the inner wall of the portable shell, the upper thread of the rotating screw rod is sleeved with a moving ring, the movable ring is fixedly connected with one side of the telescopic air bag close to the inner part, the other side of the telescopic air bag is fixedly connected with the inner wall of the portable shell, the telescopic air bag is fixedly connected with one end of a connecting pipe, the other end of the connecting pipe is fixedly connected with the upper end of the fixed sleeve, the lower side of the fixed sleeve is fixedly connected with the inner wall of the portable shell, the movable peaches inside the fixed sleeve are provided with an expansion spring and a movable sucker, and the upper end of the movable sucker is fixedly connected with the lower end of the expansion spring.
Compared with the prior art, the invention provides a portable elevator door mechanical strength testing device, which has the following beneficial effects:
1. the device is placed in front of the elevator door, the distance is measured by the laser range finder at the upper side, then the servo motors arranged at the left side and the right side are started to drive the folding frame mechanism to operate and unfold, so that the pressure bearing rod is in contact with the elevator door, then the servo motors are continuously started to push the elevator door, the force born by the elevator door can be measured, and the stability of the device on the ground is kept by the negative pressure fixing mechanism to prevent the device from moving due to the reaction force.
2. The foldable frame mechanism is provided with a foldable frame mechanism and a negative pressure fixing mechanism, a servo motor synchronously operates to drive a rotating gear to rotate and drive a rotating rod to rotate, a half gear drives the rotating rod at the bottom to rotate and drive a driving rod to rotate to drive the foldable frame mechanism to unfold, and synchronously drives a transmission gear to rotate to drive a rotating lead screw to rotate and drive a moving ring to move to drive a telescopic air bag to move, so that gas in a moving sucker is extracted, and the device is firmly fixed on the ground through external atmospheric pressure.
Drawings
Fig. 1 is an overall schematic view of a mechanical strength testing device for a portable elevator door according to the present invention;
fig. 2 is a schematic disassembled view of the mechanical strength testing device for a portable elevator door according to the present invention;
fig. 3 is a schematic disassembled view of the device for testing mechanical strength of a portable elevator door according to the present invention.
The reference numbers in the figures illustrate:
101 portable shell, 102 laser range finder, 201 servo motor, 202 rotating gear, 301 rotating rod, 302 driving rod, 303 semi-gear, 304 moving fixed frame, 305 pressure bearing rod, 401 transmission gear, 402 rotating lead screw, 403 moving ring, 404 telescopic air bag, 405 connecting pipe, 406 fixed sleeve, 407 telescopic spring and 408 moving sucker.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
a portable elevator door mechanical strength verifying attachment, comprising: portable shell 101 and laser range finder 102, folding frame mechanism is all installed to the portable shell 101 left and right sides, and the inside left and right sides of portable shell 101 all fixed mounting servo motor 201, servo motor 201 main shaft middle part and rotating gear 202 axle center fixed connection, and surface fixed installs laser range finder 102 on portable shell 101, and servo motor 201 leans on outer one end and folding frame mechanism fixed connection, and rotating gear 202 rear side and negative pressure fixed establishment lean on outer one side meshing to be connected.
According to the invention, the device is placed in front of the elevator door, the distance is measured by the upper laser range finder 102, then the servo motors 201 arranged on the left side and the right side are started to drive the folding frame mechanism to operate and unfold, so that the pressure bearing rod 305 is in contact with the elevator door, then the servo motors 201 are continuously started to push the elevator door, the force born by the elevator door can be measured, and the stability of the device on the ground is kept by the negative pressure fixing mechanism, so that the device is prevented from moving due to the reaction force.
Example 2: based on example 1, but with the difference that:
folding frame mechanism includes: the folding frame mechanism is formed by alternately combining a plurality of groups of the rotating rods 301, the driving rods 302 and the movable fixed frames 304, one end of a main shaft of the servo motor 201 close to the outside is fixedly connected with the axis of one end of the rotating rods 301, the other end of the rotating rods 301 is movably connected with one end of the driving rods 302, the other end of the driving rods 302 is movably connected with the movable fixed frames 304, the other group of the rotating rods 301 and the driving rods 302 are arranged below the rotating rods 301 and the driving rods 302 side by side, the half gear 303 is fixedly arranged at one end of the rotating rods 301 and the driving rods 302 which are not connected, the rotating rods 301 and the driving rods 302 are meshed with the other group of the rotating rods 301 and the driving rods 302 arranged below the rotating rods 301 and the driving rods 302 side by side through the half gear 303, and the tail end of the folding frame mechanism is movably connected with one end of the pressure bearing rods 305.
Negative pressure fixed establishment includes: a transmission gear 401, a rotating screw rod 402, a moving ring 403, a telescopic air bag 404, a connecting pipe 405, a fixed sleeve 406, a telescopic spring 407 and a moving sucker 408, the rear side of the rotating gear 202 is meshed and connected with the front side of the transmission gear 401, the axis of the transmission gear 401 is fixedly connected with the outer end of the rotating screw rod 402, the left side and the right side of the rotating screw rod 402 are movably connected with the inner wall of the portable shell 101, the moving ring 403 is sleeved on the rotating screw rod 402 in a threaded manner, the moving ring 403 is fixedly connected with the inner side of the telescopic air bag 404, the other side of the telescopic air bag 404 is fixedly connected with the inner wall of the portable shell 101, the telescopic air bag 404 is fixedly connected with one end of a connecting pipe 405, the other end of the connecting pipe 405 is fixedly connected with the upper end of a fixed sleeve 406, the lower side of the fixed sleeve 406 is fixedly connected with the inner wall of the portable shell 101, a telescopic spring 407 and a movable sucker 408 are arranged in the fixed sleeve 406, and the upper end of the movable sucker 408 is fixedly connected with the lower end of the telescopic spring 407.
The device is provided with a folding frame mechanism and a negative pressure fixing mechanism, a servo motor 201 synchronously operates to drive a rotating gear 204 to rotate and drive a rotating rod 301 to rotate, a half gear 303 drives the rotating rod 301 at the bottom to rotate and drive a driving rod 302 to rotate, the folding frame mechanism is driven to unfold, a transmission gear 401 is synchronously driven to rotate and drive a rotating screw rod 402 to rotate, a moving ring 403 is driven to move and drive a telescopic air bag 404 to move, so that gas in a moving sucker 408 is extracted, and the device is firmly fixed on the ground through external atmospheric pressure.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. A portable elevator door mechanical strength verifying attachment, comprising: the portable laser range finder comprises a portable shell (101) and a laser range finder (102), and is characterized in that folding frame mechanisms are mounted on the left side and the right side of the portable shell (101), servo motors (201) are fixedly mounted on the left side and the right side inside the portable shell (101), the middle of a spindle of each servo motor (201) is fixedly connected with the axis of a rotating gear (202), the laser range finder (102) is fixedly mounted on the upper surface of the portable shell (101), one end, close to the outer side, of each servo motor (201) is fixedly connected with the corresponding folding frame mechanism, and the rear side of each rotating gear (202) is meshed with one side, close to the outer side, of a negative pressure fixing mechanism;
the folding frame mechanism includes: dwang (301), transfer line (302), semi-gear (303), removal fixed frame (304) and pressure-bearing pole (305), folding frame mechanism is formed by the combination in turn of the above-mentioned dwang (301) of multiunit, transfer line (302) and removal fixed frame (304), servo motor (201) main shaft is by outer one end and dwang (301) one end axle center fixed connection, dwang (301) other end and transfer line (302) one end swing joint, transfer line (302) other end and removal fixed frame (304) swing joint, dwang (301) and transfer line (302) below are arranged side by side has another set of dwang (301) and transfer line (302), dwang (301) and transfer line (302) non-continuous one end all fixed mounting have semi-gear (303), through semi-gear (303) meshing even between dwang (301) and transfer line (302) and other set of group dwang (301) and transfer line (302) below are arranged side by side The tail end of the folding frame mechanism is movably connected with one end of a bearing rod (305);
the negative pressure fixing mechanism includes: the portable air bag comprises a transmission gear (401), a rotating screw rod (402), a moving ring (403), a telescopic air bag (404), a connecting pipe (405), a fixed sleeve (406), a telescopic spring (407) and a moving sucker (408), wherein the rear side of the rotating gear (202) is meshed with the front side of the transmission gear (401), the axle center of the transmission gear (401) is fixedly connected with the outer end of the rotating screw rod (402), the left side and the right side of the rotating screw rod (402) are movably connected with the inner wall of the portable shell (101), the moving ring (403) is sleeved on the rotating screw rod (402) in a threaded manner, the moving ring (403) is fixedly connected with the inner side of the telescopic air bag (404), the other side of the telescopic air bag (404) is fixedly connected with the inner wall of the portable shell (101), the telescopic air bag (404) is fixedly connected with one end of the connecting pipe (405), and the other end of the connecting pipe (405) is fixedly connected with the upper end of the fixed sleeve (406), fixed sleeving (406) downside and portable shell (101) inner wall fixed connection, telescopic spring (407) and removal sucking disc (408) have been cup jointed in the inside activity of fixed sleeving (406), remove sucking disc (408) upper end and telescopic spring (407) lower extreme fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010193997.2A CN111257128B (en) | 2020-03-19 | 2020-03-19 | Portable elevator door mechanical strength verifying attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010193997.2A CN111257128B (en) | 2020-03-19 | 2020-03-19 | Portable elevator door mechanical strength verifying attachment |
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| Publication Number | Publication Date |
|---|---|
| CN111257128A CN111257128A (en) | 2020-06-09 |
| CN111257128B true CN111257128B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010193997.2A Active CN111257128B (en) | 2020-03-19 | 2020-03-19 | Portable elevator door mechanical strength verifying attachment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203365127U (en) * | 2013-07-22 | 2013-12-25 | 长安大学 | Mechanical strength tester for portable elevator cars and toe guards |
| CN206470112U (en) * | 2017-02-09 | 2017-09-05 | 贵州省特种设备检验检测院 | A kind of portable elevator door mechanical strength verifying attachment |
| CN109199772A (en) * | 2018-11-07 | 2019-01-15 | 韩雄 | A kind of video head-up tilt test equipment |
| CN208413545U (en) * | 2018-06-07 | 2019-01-22 | 西子西奥电梯有限公司 | A kind of elevator door detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814325A (en) * | 2005-02-05 | 2006-08-09 | 周路定 | Cable ladder device for high-rise rescue |
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2020
- 2020-03-19 CN CN202010193997.2A patent/CN111257128B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203365127U (en) * | 2013-07-22 | 2013-12-25 | 长安大学 | Mechanical strength tester for portable elevator cars and toe guards |
| CN206470112U (en) * | 2017-02-09 | 2017-09-05 | 贵州省特种设备检验检测院 | A kind of portable elevator door mechanical strength verifying attachment |
| CN208413545U (en) * | 2018-06-07 | 2019-01-22 | 西子西奥电梯有限公司 | A kind of elevator door detection device |
| CN109199772A (en) * | 2018-11-07 | 2019-01-15 | 韩雄 | A kind of video head-up tilt test equipment |
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| CN111257128A (en) | 2020-06-09 |
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