CN113049158A - Tool for anti-pinch protection test of platform door - Google Patents
Tool for anti-pinch protection test of platform door Download PDFInfo
- Publication number
- CN113049158A CN113049158A CN202110255977.8A CN202110255977A CN113049158A CN 113049158 A CN113049158 A CN 113049158A CN 202110255977 A CN202110255977 A CN 202110255977A CN 113049158 A CN113049158 A CN 113049158A
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- measuring
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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
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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
- G01L5/0028—Force sensors associated with force applying means
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a tool for an anti-pinch protection test of a platform door, which comprises a support, an adjusting seat, a support rod and a measuring table, wherein the bottom of the adjusting seat is arranged on the support, the support rod is arranged in an inner cavity of the adjusting seat and can slide along the inner cavity, the measuring table is arranged at the top of the support rod, a dynamometer and a measuring plate are arranged on the measuring table, one end of the dynamometer is connected with one end of the measuring plate through a connecting sleeve in a threaded manner, and the other end of the measuring plate extends out of the measuring table and is fixedly connected with the anti-pinch plate. The invention has stronger structural integrity, higher quality and more reliable safety. The testing position can be accurately determined, and the potential life safety hazard that personnel fall into an orbit region is eliminated.
Description
Technical Field
The invention belongs to the technical field of urban rail transit, and particularly relates to a tool for anti-pinch protection test of a platform door.
Background
According to the part 1 of the safety assessment technical specification before the initial operation of urban rail transit: subway and light rail (delivery [ 2019 ] 17) includes 34 tests, and sixty three requirements (platform door passenger safety protection test) are tests of one of them, and this test cannot be opened in the initial operation without newly building the subway.
The test process is as follows: a group of sliding doors in platform doors of a certain subway station are selected, after the sliding doors are opened by operating an in-situ control box on a door head, a dynamometer is placed between two sliding doors to be tested, a test board point of a serial number 7 in 'appendix abstract drawing' is positioned at 1/3 positions of the travel (namely a uniform motion section of the sliding doors), then the sliding doors are closed, after the sliding doors are opened and meet (collide) the dynamometer, the maximum reading of the dynamometer (namely the maximum acting force of the sliding doors on passengers) is recorded in time, and the test is repeated for at least 3 times.
The existing test tool can not determine the test position, and a person generally holds the dynamometer to stand at about 1/3 positions of the stroke (namely a uniform motion section of the sliding door), and the position positioning has deviation; when people are tested manually, the personnel are not fixed and have larger deviation; meanwhile, one side of the test area is a rail area with the fall of more than one meter and five meters, so that the potential safety hazard is greater.
Disclosure of Invention
Aiming at the existing problems, the invention provides the tool for the platform door anti-clamping protection test, which can replace the traditional mode mainly based on the handheld measurement of workers and can save the labor and the financial resources.
The technical scheme adopted by the invention is as follows:
the utility model provides a frock that is used for platform door to prevent pressing from both sides protection test, includes support, regulation seat, branch and measuring station, it installs on the support to adjust the seat bottom, branch is installed in the inner chamber of adjusting the seat and can be followed the inner chamber and slide, the top at branch is installed to the measuring station, be provided with the dynamometer and measure the board on the measuring station, adapter sleeve threaded connection is passed through with measurement board one end to the one end of dynamometer, the other end of measuring the board extends measuring station and fixedly connected with and prevents pressing from both sides the board.
Preferably, the measuring table is further provided with an installation block, the upper surface of the installation block is provided with an inwards concave installation groove, a fixed block and a cushion block are installed in the installation groove, the dynamometer is installed on the cushion block and connected with the fixed block through a screw rod, the side wall of the installation groove is provided with a through hole, a first adjusting screw rod is arranged in the through hole, the end part of the first adjusting screw rod is in threaded connection with the fixed block, and the other end part of the first adjusting screw rod is positioned outside the installation groove;
the utility model discloses a measuring plate, including measuring plate, pole setting, measuring plate, horizontal part, guide rail, measuring plate's front and back bilateral symmetry is provided with a plurality of coaxial pole settings, and every pole setting upper end is provided with the dysmorphism board respectively, the tip at the pole setting is installed to a horizontal part on the dysmorphism board, and another horizontal part is unsettled and has set up the guide rail on it, measuring plate is located.
Preferably, the guide rail is provided with a sliding groove, the front side and the rear side of the bottom surface of the measuring plate are symmetrically provided with a plurality of coaxial grooves, each groove is internally provided with a ball, and the balls are in sliding contact with the sliding groove.
Preferably, 2/3 of the ball volume is located within the groove.
Preferably, a second adjusting screw and a power box are arranged in the inner cavity, an opening is arranged at the upper end of the power box, the upper end of the second adjusting screw is in threaded connection with the inside of the support rod, the lower end of the second adjusting screw is a small-diameter section which is located inside the power box and fixedly connected with the bottom wall of the power box, a first bearing is arranged on the small-diameter section, a first driven wheel is arranged outside the second bearing, two sides of the first driven wheel are respectively engaged with a driving wheel and a second driven wheel, the driving wheel and the second driven wheel are respectively arranged on a second rotating shaft and a first rotating shaft, the driving wheel and the second driven wheel are also engaged with teeth on the inner wall of the power box, the lower ends of the first rotating shaft and the second rotating shaft are arranged on the second bearing, the second bearing is arranged on a base which is fixed on the bottom wall of the power box, and a driving wheel is also arranged, still be provided with the second sleeve between drive wheel and the second bearing, the inside motor that still is provided with of headstock, be provided with the gear on the output shaft of motor, the gear and drive wheel meshing.
Preferably, the outside of footpath section is provided with first sleeve, first sleeve is installed between first bearing and headstock diapire, the mounting disc is installed to first sleeve outside, the motor sets up on the mounting disc.
Preferably, a third bearing is further arranged between the outer wall of the power box and the inner wall of the inner cavity.
The invention has the beneficial effects that:
the tool for the platform door anti-pinch protection test comprises a support, an adjusting seat, a support rod and a measuring platform, wherein the adjusting seat and the support rod are used for adjusting the measuring platform in the vertical direction under the action of a power box; meanwhile, the installation block and the fixed block are designed, the relative position of the dynamometer on the measuring table is adjusted by adjusting the position of the fixed block in the installation groove, and the horizontal position adjustment of the dynamometer and the measuring plate on the measuring table is realized. Therefore, the testing position can be accurately determined, and the potential life safety hazard that personnel fall into an orbit region is eliminated. The invention has stronger structural integrity, higher quality and more reliable safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a general block diagram of a fixture for anti-pinch protection testing of platform doors according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a top view of the guide rail of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 5 is an enlarged view at C in fig. 4.
Description of the element reference numerals
1-a support; 2-a measuring table; 3-an adjusting seat; 301-lumen; 4-a pillar; 5-a force gauge; 6-measuring the plate; 7-anti-pinch plate; 8-connecting sleeves; 9-erecting a rod; 10-a shaped plate; 11-a guide rail; 1101-a chute; 12-a mounting block; 13-fixing block; 14-a cushion block; 15-a first adjusting screw; 16-a second adjusting screw; 17-a power box; 18-a first bearing; 19-a first driven wheel; 20-a second driven wheel and 21-a driving wheel; 22-a first shaft; 23-a second shaft; 24-a backing plate; 25-a second bearing; 26-a base; 27-a first sleeve; 28-mounting a disc; 29-a motor; 30-a gear; 31-a drive wheel; 32-a second sleeve; 33-third bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention particularly provides a tool for an anti-pinch protection test of a platform door, which comprises a support 1, an adjusting seat 3, a support rod 4 and a measuring platform 2, wherein the bottom of the adjusting seat 3 is installed on the support 1, the support rod 4 is installed in an inner cavity 301 of the adjusting seat 3 and can slide along the inner cavity 301, the measuring platform 2 is installed at the top of the support rod 4, a dynamometer 5 and a measuring plate 6 are arranged on the measuring platform 2, one end of the dynamometer 5 is connected with one end of the measuring plate 6 through a connecting sleeve 8 in a threaded manner, and the other end of the measuring plate 6 extends out of the measuring platform 2 and is fixedly connected with an anti-pinch plate 7.
As shown in fig. 1, still be provided with installation piece 12 on measuring table 2, installation piece 12 upper surface is provided with the mounting groove of indent, install fixed block 13 and cushion 14 in the mounting groove, dynamometer 5 installs on cushion 14 and passes through the screw rod with fixed block 13 and be connected, be provided with the perforation on the lateral wall of mounting groove, should be provided with first adjusting screw 15 in the perforation, first adjusting screw 15's tip and fixed block 13 threaded connection, another tip thereof is located the mounting groove outside. By rotating the first adjusting screw 15, the relative position of the fixing block 13 in the mounting groove is adjusted, thereby achieving the position of the dynamometer 5 in the horizontal direction.
As shown in fig. 1, 2, and 3, a plurality of coaxial vertical rods 9 are symmetrically disposed on the front and rear sides of the measurement plate 6, a special-shaped plate 10 is disposed at the upper end of each vertical rod 9, a horizontal portion of the special-shaped plate 10 is mounted at the end of the vertical rod 9, another horizontal portion is suspended and has a guide rail 11, a sliding groove 1101 is disposed on the guide rail 11, a plurality of coaxial grooves are symmetrically disposed on the front and rear sides of the bottom surface of the measurement plate 6, a ball 34 is disposed in each groove, and the ball 34 is in sliding contact with the sliding groove 1101. To improve the stability of the relative sliding movement of the balls 34, 2/3 of the volume of the balls 34 are located in the grooves in this embodiment.
In order to enable the support rod 4 to realize axial up-down position adjustment, in this embodiment, as shown in fig. 4 and 5, a second adjusting screw 16 and a power box 17 are arranged in the inner cavity 301, an opening is arranged at the upper end of the power box 17, the upper end of the second adjusting screw 16 is in threaded connection with the inside of the support rod 4, the lower end of the second adjusting screw 17 is a small-diameter section 1601, the small-diameter section 1601 is located inside the power box 17 and is fixedly connected with the bottom wall of the power box 17, a first bearing 22 is installed on the small-diameter section 1601, a first driven wheel 19 is arranged outside the second bearing 23, two sides of the first driven wheel 19 are respectively engaged with a driving wheel 21 and a second driven wheel 20, the driving wheel 21 and the second driven wheel 20 are respectively installed on the second rotating shaft 23 and the first rotating shaft 22, and the driving wheel 21 and the second driven wheel 20 are also engaged with teeth on the inner wall, the lower extreme of first pivot 22 and second pivot 23 is installed at second bearing 25, second bearing 25 is installed on base 26, base 26 is fixed on headstock 17 diapire, still be provided with drive wheel 31 on the second pivot 23, still be provided with second sleeve 32 between drive wheel 31 and the second bearing 25, headstock 17 is inside still to be provided with motor 29, be provided with gear 30 on the output shaft of motor 29, gear 30 and drive wheel 31 meshing. A backing plate 24 is further arranged below the driving wheel 21 and the second driven wheel 20, and the backing plate 24 is fixed on the second rotating shaft 23 and the first rotating shaft 22.
In this embodiment, a first sleeve 27 is disposed outside the small diameter section 1601, the first sleeve 27 is installed between the first bearing 18 and the bottom wall of the power box 17, a mounting plate 28 is installed outside the first sleeve 27, and the motor 29 is disposed on the mounting plate 28. During the simultaneous rotation of the power box 17 and the second adjusting screw 16, the first sleeve 27 does not rotate, so as to ensure the relative stability of the position of the motor 29, i.e. the gear 31 and the driving wheel 31 are always in a meshed state.
In this embodiment, in order to ensure that the power box 17 can stably rotate, a third bearing 33 is further disposed between the outer wall of the power box 17 and the inner wall of the inner cavity 301. Thereby ensuring that the adjustment seat 3 is relatively stable during rotation of the power box 17.
The operation method comprises the following steps:
selecting a group of sliding doors of a platform door at one side of a station, operating a local control box on a door head to open the sliding doors, placing the testing tool in the middle of two tested sliding doors, turning on a power supply, driving a motor 29, driving a driving wheel 31 through a gear 320 to drive a second rotating shaft 23, driving a driving wheel 21 at the upper end of the testing tool to drive a first driven wheel 19 and driving a second driven wheel 20 to rotate through the first driven wheel 19, then driving a whole power box 17 to rotate so as to drive a second adjusting screw 16 to rotate, moving a supporting rod 4 upwards along the second adjusting screw 16, adjusting a measuring platform 2 to a proper position, namely the platform height is 600mm, until a measuring plate 6 is located at about 1/3 of the stroke (namely a uniform motion section of the sliding doors), and completing the adjustment of the measuring plate 6 in the vertical direction; next, through rotating first adjusting screw 15, adjust the relative position of fixed block 13 in the mounting groove, and then realize the horizontal position adjustment of dynamometer 5, because dynamometer 5 and measurement board 6 are through adapter sleeve 8 fixed connection, then measure the horizontal position relative movement of board 6 and until suitable position, test the board promptly apart from central point and put 300mm, then close the sliding door, meet the dynamometer at the sliding door and open the back, in time record dynamometer 5 maximum reading (be the maximum effort of sliding door to the passenger promptly), the test is repeated 3 times at least.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a frock that is used for platform door to prevent pressing from both sides protection test, a serial communication port, including support, regulation seat, branch and measuring station, it installs on the support to adjust the seat bottom, branch is installed in the inner chamber of adjusting the seat and can be followed the inner chamber and slide, the top at branch is installed to the measuring station, be provided with the dynamometer on the measuring station and measure the board, adapter sleeve threaded connection is passed through with measurement board one end to the one end of dynamometer, the other end of measuring the board extends measuring station and fixedly connected with and prevents pressing from both sides the board.
2. The tool for the platform door anti-pinch protection test is characterized in that an installation block is further arranged on the measuring table, an inwards concave installation groove is formed in the upper surface of the installation block, a fixed block and a cushion block are installed in the installation groove, the dynamometer is installed on the cushion block and is connected with the fixed block through a screw rod, a through hole is formed in the side wall of the installation groove, a first adjusting screw rod is arranged in the through hole, the end portion of the first adjusting screw rod is in threaded connection with the fixed block, and the other end portion of the first adjusting screw rod is located on the outer side of the installation groove;
the utility model discloses a measuring plate, including measuring plate, pole setting, measuring plate, horizontal part, guide rail, measuring plate's front and back bilateral symmetry is provided with a plurality of coaxial pole settings, and every pole setting upper end is provided with the dysmorphism board respectively, the tip at the pole setting is installed to a horizontal part on the dysmorphism board, and another horizontal part is unsettled and has set up the guide rail on it, measuring plate is located.
3. The tool for the platform door anti-pinch protection test according to claim 2, wherein a sliding groove is formed in the guide rail, a plurality of coaxial grooves are symmetrically formed in the front side and the rear side of the bottom surface of the measuring plate, a ball is arranged in each groove, and the balls are in sliding contact with the sliding groove.
4. The tooling of claim 3, wherein 2/3 of the ball volume is located within a groove.
5. The tool for the platform door anti-pinch protection test is characterized in that a second adjusting screw and a power box are arranged in the inner cavity, an opening is formed in the upper end of the power box, the upper end of the second adjusting screw is in threaded connection with the inside of the supporting rod, the lower end of the second adjusting screw is a small-diameter section, the small-diameter section is located inside the power box and is fixedly connected with the bottom wall of the power box, a first bearing is installed on the small-diameter section, a first driven wheel is arranged outside the second bearing, two sides of the first driven wheel are respectively meshed with a driving wheel and a second driven wheel, the driving wheel and the second driven wheel are respectively installed on a second rotating shaft and a first rotating shaft, the driving wheel and the second driven wheel are further meshed with teeth on the inner wall of the power box, the lower ends of the first rotating shaft and the second rotating shaft are installed on a second bearing, and the second bearing is installed on a base, the base is fixed on the power box bottom wall, still be provided with the drive wheel in the second pivot, still be provided with the second sleeve between drive wheel and the second bearing, the inside motor that still is provided with of power box, be provided with the gear on the output shaft of motor, gear and drive wheel meshing.
6. The tool for the platform door anti-pinch protection test according to claim 5, wherein a first sleeve is arranged on the outer side of the small-diameter section, the first sleeve is installed between a first bearing and the bottom wall of the power box, a mounting disc is installed on the outer side of the first sleeve, and the motor is arranged on the mounting disc.
7. The tool for the platform door anti-pinch protection test according to claim 5, wherein a third bearing is further arranged between the outer wall of the power box and the inner wall of the inner cavity.
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CN202110255977.8A CN113049158B (en) | 2021-03-09 | 2021-03-09 | Tool for anti-pinch protection test of platform door |
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CN202110255977.8A CN113049158B (en) | 2021-03-09 | 2021-03-09 | Tool for anti-pinch protection test of platform door |
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CN113049158B CN113049158B (en) | 2023-02-07 |
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CN209416559U (en) * | 2019-04-01 | 2019-09-20 | 长春市博硕机电有限公司 | A kind of car door clamping force measuring device |
CN209878282U (en) * | 2019-03-08 | 2019-12-31 | 中国第一汽车股份有限公司 | Portable rotatable load spectrum acquisition device |
CN210083200U (en) * | 2019-05-10 | 2020-02-18 | 中铁第四勘察设计院集团有限公司 | Platform door anti-pinch detection system based on image recognition |
CN212254437U (en) * | 2020-06-18 | 2020-12-29 | 瓦房店爱国轴承研究院有限公司 | Axle bearing moment test fixture |
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CN202757718U (en) * | 2012-07-06 | 2013-02-27 | 长春合心机械制造有限公司 | Horizontal anti-pinch force detection mechanism |
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