CN111174949A - Subway shield door switch door clamping force detection device - Google Patents
Subway shield door switch door clamping force detection device Download PDFInfo
- Publication number
- CN111174949A CN111174949A CN202010097323.2A CN202010097323A CN111174949A CN 111174949 A CN111174949 A CN 111174949A CN 202010097323 A CN202010097323 A CN 202010097323A CN 111174949 A CN111174949 A CN 111174949A
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- door
- shield door
- clamping force
- spring
- sleeve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/04—Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs
- G01L1/042—Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs of helical springs
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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)
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention relates to a clamping force detection device for a switching door of a subway shield door, which comprises a left assembly and a right assembly, wherein the left assembly and the right assembly are respectively connected with the left side and the right side of a shield door to be detected; when the detection is carried out, the shielding door to be detected is closed, the inner sleeve is pushed to extrude the spring, and meanwhile the push rod pushes the sliding block to slide in the sliding groove, so that the clamping force of the shielding door to be opened and closed is displayed. Compared with the prior art, the method has the advantages of safety and accuracy in detection and the like.
Description
Technical Field
The invention relates to the field of subway detection, in particular to a clamping force detection device for a switch door of a subway shield door.
Background
The subway screen door is a high-tech product integrating the subjects of building, machinery, materials, electronics, information and the like, and is used for subway platforms. The platform and the train running area are separated by the shielding door, and the automatic opening of the shielding door is controlled by the control system. At present, the clamping force of the opening and closing of the subway shield door is measured manually, and certain dangerousness is achieved. The method is very important for measuring the clamping force of the opening and closing door of the subway shielding door, the rail transit is developed rapidly nowadays, a large number of passengers go out and depend on the rail transit every day, and the measurement of the clamping force of the opening and closing door of the subway shielding door is not slow enough.
Patent document CN201820915425.9 discloses a door closing force detection device for urban rail transit platform doors, which comprises a vertical rod and a cross rod fixed on the upper portion of the vertical rod, wherein force is measured by force-receiving devices at two ends of the cross rod, and each force-receiving device comprises a pressure sensor, a spring and a sleeve with an opening at one end. However, this device has the following disadvantages: (1) the sensor of such a detection device requires a power source. (2) Such devices only allow discrete adjustment of the length of the cross-bar. (3) In the measuring process, the contact block of the device cannot be tightly attached to the shielding door. (4) When the subway shielding door is contacted with the contact block, according to the relation between impulse and momentum: ft-mv results in an inaccurate reading of the dynamometer due to the instantaneous excessive force on the device, which does not have a damping function.
Patent document CN201910148579.9 discloses a door closing force detection device for urban rail transit platform door, which has the following disadvantages: (1) this device can only measure the final door closing force. (2) Such devices are fixed in height. (3) In the measuring process, the contact block of the device cannot be tightly attached to the shielding door. (4) In the measuring process, the device adopts the reading mode of the rotating shaft, the blocking piece, the latch and the shifting piece, so that the measured numerical value is a discrete value based on the width of the latch. (5) This device can only measure the door closing force.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the device for detecting the clamping force of the opening and closing door of the subway shield door, which can safely and accurately measure the clamping force of the opening and closing door of the subway shield door.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a subway shield door switch door clamping-force detection device, the device uses the mode of mechanical type dynamometry, relies on the spring to drive the slider and measures subway shield door switch door clamping-force.
The above object can be achieved by various technical solutions:
the first method comprises the following steps: the device includes left side subassembly and right side subassembly to and connecting piece between the two, left side subassembly and right side subassembly structure are the same, are spring dynamometry subassembly, and spring dynamometry subassembly includes outer sleeve, inner skleeve, spring and shield door mounting, and wherein shield door mounting one end is connected the shield door that awaits measuring, and the inner skleeve is connected to the other end, and the spring in the outer sleeve is arranged in to the muffjoint, spring one end fix in the outer sleeve, the inner skleeve is connected to the other end. The outer sleeve is provided with a sliding groove with scales, a sliding block is arranged in the sliding groove, the inner sleeve is provided with a push rod for pushing the sliding block to move, the push rod is a wedge-shaped block, the spring is in a free state before detection, and the wedge-shaped block and the sliding block are located at the end part of the sliding groove. The shield door mounting is U type claw, and this U type claw passes through the universal shaft and connects the inner skleeve. During detection, the shielding door to be detected is closed or opened, the inner sleeve is pushed to extrude or stretch the spring, and meanwhile, the push rod pushes the sliding block to slide in the sliding groove, so that the clamping force of the shielding door to be opened and closed is displayed.
Furthermore, a level gauge is further arranged on the outer sleeve.
Furthermore, the U-shaped claw can clamp the subway shield door and does not slide. The protective layer is arranged in the U-shaped claw, and the U-shaped claw has a clamping function and can clamp or loosen the subway shielding door freely. The protective layer of filling in the U type claw can reduce the subway shield door and the impact of U type claw, can protect subway shield door and U type claw.
The left assembly and the right assembly have the same structure and are both spring force measuring assemblies, and the left assembly and the right assembly are connected through a connecting piece; two U type claws dock subway shield door, two sliders move to the initial position that corresponds the spout (initial position is the spout intermediate position, the reading of the power that the intermediate position corresponds is 0, two survey scales are the value of pulling force or pressure respectively), when the subway shield door was closed the door, two spring deformations are driven two sliders respectively and are slided in corresponding the spout, when the shield door rebounded, two sliders have been left the certain position that corresponds the spout respectively, thereby scale through on two spouts produces the reading, when the subway shield door was opened, tie up push rod and slider together in advance, inner skleeve pulling spring is to both sides tensile, the spout scale that the position that arrives through the slider corresponds reads shield door opening force.
The connecting piece comprises a connecting sleeve and a connecting bolt, the connecting sleeve is respectively connected with the left component and the right component, the length of the whole detection device is adjusted by adjusting the length of the connecting bolt in the connecting sleeve, the adjusting length range is 100 cm-200 cm, and the error can be reduced to be within 1 mm.
The connecting sleeve is provided with supporting legs with adjustable height, and the supporting legs are arranged at the central symmetrical positions of the door opening and closing clamping force detection device and can slide along the supporting ground.
And the second type is that the shield door fixing piece is a contact block, the U-shaped claw is replaced by the contact block, one side of the contact block is in contact with the shield door to be tested, and the other side of the contact block is connected with the inner sleeve.
And thirdly, the left component or the right component is a spring force measuring component, the other component is a connecting rod component, the connecting rod component comprises a connecting screw rod, a connecting outer sleeve and a shielding door fixing piece, the connecting outer sleeve is fixed at the end head of the outer sleeve of the connecting spring force measuring component, one end of the connecting screw rod is inserted into the connecting outer sleeve, the other end of the connecting screw rod is connected with the shielding door fixing piece, the shielding door fixing piece is in contact with the shielding door to be detected, and the length of the whole detection device is adjusted by adjusting the length of the connecting screw rod in the.
Wherein the shield door fixing piece can be a U-shaped claw or a contact block.
The device does not require a base.
The device is read by a sliding block on the outer sleeve, and when the shielding door rebounds, the sliding block stops at a certain position on the scale, so that the numerical value is measured.
The detection method adopting the device comprises the following steps:
before testing, the subway shield door is in a completely opened state, the two sides of the subway shield door are in butt joint by using U-shaped claws at the two ends of the device respectively, whether the subway shield door is horizontal or not and whether a sliding block is in an initial position or not are judged according to a level gauge on the device, and then the bolt connection between two outer sleeves is adjusted, so that the device is in a state that the spring in the outer sleeves is not stressed and the U-shaped claws are tightly attached to the subway shield door.
When the door closing force of the subway shield door is tested, the subway shield door is closed to compress the spring in the outer sleeve, the wedge blocks on the inner sleeve push the sliding blocks to slide on the outer sleeve, the sliding blocks can be automatically withdrawn when the door opening and closing force of the subway shield door is maximum, the spring in the outer sleeve can also be restored to the original state, but the sliding blocks are stopped at the position where the door opening and closing force is maximum, so that the reading is obtained, and the reading is the maximum door closing force.
When measuring subway shield door power of opening the door, subway shield door is in the state of incompletely opening, need pass through adjusting bolt on the U type claw before the test and press from both sides tight subway shield door to use the bandage to tie up voussoir and slider together, no matter open the door or close the door in the measurement process like this, all can stretch or extrude the spring with the inner skleeve, and simultaneously, the ejector pad drives the slider and removes on taking the spout of scale, just can read out the real-time power of opening the door of subway shield door or the power of closing the door.
Compared with the prior art, the invention has the following advantages:
(1) the detection device does not need a power supply, and the device can measure the clamping force characteristic of the switch door from zero to the maximum. In the measuring process, the U-shaped claw of the device can clamp the shielding door. The device has a buffering function.
(2) The device can adjust different heights of the device. In the measuring process, the numerical value measured by the device is real-time, and the device can measure the door closing force and the door opening force.
(3) The device adopts a mechanical force measuring mode, can realize stepless force measurement, and is safe and accurate.
Drawings
Fig. 1 is a front view of a door opening and closing force detection device of a subway shield door according to embodiment 1;
fig. 2 is a top view of the device for detecting the opening and closing force of the metro platform screen door in embodiment 1;
FIG. 3 is a front view of the left assembly of the door opening and closing force detection device of the subway shield door according to embodiment 1;
FIG. 4 is a front view of the right component of the door opening and closing force detection device of the subway shield door according to embodiment 1;
fig. 5 is a front view of the device for detecting the opening and closing door clamping force of the subway shield door according to embodiment 2;
FIG. 6 is a front view of the right component of the door opening and closing force detection device of the subway shield door according to embodiment 2;
FIG. 7 is a front view of the device for detecting the clamping force of the opening and closing door of the subway shield door according to embodiment 3, which is placed on a tripod;
fig. 8 is a front view of the device for detecting the opening/closing force of the metro platform screen door according to embodiment 4.
The reference numbers in the figures illustrate:
1 left U-shaped claw, 2 left universal shaft, 3 left inner sleeve, 4 left outer sleeve, 5 left wedge block, 6 left slide block, 7 left spring, 8 level gauge, 9 connecting outer sleeve, 10 left chute, 11 right outer sleeve, 12 right spring, 13 connecting inner sleeve, 14 right inner sleeve, 15 right chute, 16 right slide block, 17 right wedge block, 18 right universal shaft, 19 right U-shaped claw, 20 left clamping device, 21 right clamping device, 22 telescopic connecting inner sleeve, 23 outer sleeve chassis seat, 24 telescopic foot I, 25 telescopic foot II, 26 telescopic foot III, 27 left contact block, 28 right contact block and 29 right connecting rod.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
As shown in fig. 1-2, the device for detecting the clamping force of the opening and closing door of the subway shield door comprises a left component and a right component, wherein the left component and the right component are connected in a matched manner through a connecting piece, and the left component comprises a left U-shaped claw 1, a left universal shaft 2, a left inner sleeve 3, a left outer sleeve 4, a left wedge-shaped block 5, a left slider 6 and a left spring 7; wherein, the inside left spring 7 that is fixed with of left outer sleeve 4, the left spring 7 other end is fixed with left inner skleeve 3, and the left U type claw 1 is provided with to the left inner skleeve 3 other end. The right assembly comprises a right outer sleeve 11, a right spring 12, a connecting inner sleeve 13, a right inner sleeve 14, a right sliding groove 15, a right sliding block 16, a right wedge-shaped block 17, a right universal shaft 18 and a right U-shaped claw 19. The right spring 12 is fixed inside the right outer sleeve 11, the other end of the right spring 12 is fixed with the right inner sleeve 14, and the other end of the right inner sleeve 14 is provided with a right U-shaped claw 19. The connecting piece comprises a connecting sleeve 9 and a connecting bolt 13, the connecting sleeve 9 and the connecting bolt are respectively connected with the left outer sleeve 4 and the right outer sleeve 11, the length of the whole detection device is adjusted by adjusting the length of the connecting bolt 13 in the connecting sleeve 9, the adjusting length range is 100 cm-200 cm, and the error can be reduced to be within 1 mm.
As shown in fig. 3, the left outer sleeve 4 and the connecting outer sleeve 9 on the left assembly are fixed, a left sliding groove 10 is formed in the left outer sleeve 4, scales are marked on the outer side of the left sliding groove 10, a left sliding block 6 is in sliding fit in the sliding groove 10, a sliding cavity is formed in the left outer sleeve 4, a left inner sleeve 3 is in sliding fit in the sliding cavity, a left wedge block 5 for pushing the sliding block to move is arranged on the left inner sleeve 3, a left spring 7 is arranged between the left inner sleeve 3 and the left outer sleeve 4, one end of the left spring 7 is fixed with the left inner sleeve 3, the other end of the left spring is fixed with the left outer sleeve 4, and the left inner sleeve 3. As shown in fig. 4, the right outer sleeve 11 and the connecting inner sleeve 13 on the right assembly are fixed, a right sliding groove 15 is formed in the right outer sleeve 1, scales are marked on the outer side of the right sliding groove 15, a right sliding block 16 is in sliding fit in the right sliding groove 17, a sliding cavity is formed in the right outer sleeve 11, the right inner sleeve 14 is in sliding fit in the sliding cavity, a right wedge block 17 for pushing the right sliding block 16 to move is arranged on the right inner sleeve 14, a right spring 12 is arranged between the right inner sleeve 14 and the right outer sleeve 11, one end of the right spring 12 is fixed with the right inner sleeve 14, the other end of the right spring is fixed with the right outer sleeve 11, and the right inner sleeve. The left slider 6 and the right slider 16 are respectively shifted by pins fixed on the left inner sleeve 3 and the right inner sleeve 14. The deformation of the left spring 7 and the right spring 12 and the position of the inner sleeve relative to the outer sleeve are respectively identified by the sliding groove scale marks corresponding to the sliding blocks in the grooves.
Two U type claws of the device are in butt joint with the subway shield door, when the subway shield door is closed, the two springs are driven to deform to respectively push the two sliding blocks, and scales are marked on the left sliding groove 10 and the right sliding groove 15 to generate reading.
The method for testing the door closing force of the subway shield door comprises the following steps: before testing, the subway shield door is in a completely opened state, the two sides of the subway shield door are butted by using U-shaped claws at the two ends of the device respectively, whether the subway shield door is horizontal or not is judged according to a level meter 8, and a left slide block 6 and a right slide block 16 are in initial positions or not, and then a connecting bolt 13 between two outer sleeves is adjusted, so that the device is in a state that a spring in the outer sleeves is not stressed and the U-shaped claws are tightly attached to the subway shield door. And then, the subway screen door control equipment is started to close the door, the subway screen door is closed so as to compress the spring in the outer sleeve, the wedge block on the inner sleeve pushes the sliding block to slide on the outer sleeve, when the door opening and closing clamping force of the subway screen door reaches the maximum, the screen door can be automatically withdrawn, the spring in the outer sleeve can also be restored to the original state, but the sliding block stops at the position when the door opening and closing clamping force is the maximum, and the reading of the position is the maximum door closing force of the screen door.
The method for measuring the door opening force of the subway shielding door comprises the following steps: before the subway shield door is tested, the subway shield door is in an incomplete opening state, the two sides of the subway shield door are in butt joint with the U-shaped claws at the two ends of the device respectively, the wedge block and the slide block are tied together by using a tie strap, whether the horizontal state is achieved or not is judged according to the level gauge 8, the left slide block 6 and the right slide block 16 are in initial positions or not, then the connecting bolt 13 between the two outer sleeves is adjusted, and the device is in a state that the spring in the outer sleeves is not stressed and the U-shaped claws are tightly attached to the subway shield door. And then, starting the subway shield door control equipment to open the door, closing the subway shield door to stretch a spring in the outer sleeve, pulling a sliding block to slide on the outer sleeve by a wedge block on the inner sleeve, and reading the position as the opening force of the shield door when the sliding block tends to be at a stable position.
Example 2:
as shown in figures 5-6, a subway shield door opening and closing force detection device comprises a left assembly and a right assembly which are matched through bolt connection, wherein the left assembly comprises a left outer sleeve 4, a left spring 7 is fixed inside the left outer sleeve, the other end of the left spring 7 is fixed with a left inner sleeve 3, the other end of the left inner sleeve 3 is provided with a left U-shaped claw 1, the left inner sleeve 3 is connected with the left U-shaped claw 1 through a left universal shaft 2, the right assembly comprises a right connecting rod 29, one end of the right connecting force measuring rod 29 is provided with a thread, the right connecting force measuring rod is inserted into a connecting sleeve 9 and is in threaded connection with the connecting sleeve, the integral length of a depth adjusting device screwed in through the adjusting thread is adjusted, the other end of the right connecting rod 29 is provided with a right U-shaped claw 19, the right connecting rod 29 is connected with the right U-shaped claw 19 through a right universal shaft 18, the two U-shaped claws of the device are, the left chute 10 is graduated to produce a reading.
Compare with embodiment 1, the left side subassembly is unchangeable, has simplified the right side subassembly, simplifies the device in figure 4 into in figure 6, like this at the in-process of measuring, relies on single spring measurement switch door clamping force, and the switch door clamping force of the left door of shield door and the right door is the same, and the reading is still accurate.
Example 3:
as shown in fig. 7, in the device for detecting the clamping force of the opening and closing door of the subway screen door, on the basis of embodiment 1, a clamping tripod is designed under the device, a first telescopic leg 24, a second telescopic leg 25 and a third telescopic leg 26 are respectively fixed on an outer sleeve chassis base 23, a telescopic connection inner sleeve 22 is slidably matched inside the outer sleeve chassis base 23, and a left clamping device 20 and a right clamping device 21 are fixed on the telescopic connection inner sleeve 22. The first telescopic foot 24, the second telescopic foot 25 and the third telescopic foot 26 have telescopic functions, the length is controlled through bolt pre-tightening, the telescopic connection inner sleeve 22 has a telescopic function in the outer sleeve chassis base 23 through bolt pre-tightening, the tightness degree of the left clamping device 20 and the right clamping device 21 is controlled through clamping bolts and detected by the devices, and therefore the adjustment of the upper height and the lower height of a clamping tripod is achieved, and the detection of the clamping force of the opening and closing door of the shielding door adapting to different heights is achieved. The tripod is arranged to judge whether the clamping force of the same shielding door on and off at different heights is the same. Compare and hold the measurement in the manual work, set up the tripod and can make the device more stable in the measurement process, but set up the ground problem when the tripod need consider the measurement, if improper putting, then select the manual work to hold, if proper putting, then select to set up the tripod.
Example 4:
as shown in fig. 8, in addition to the first embodiment, the clamping force detection device for the opening and closing door of the subway shield door is simplified in that a left U-shaped claw 1, a left universal shaft 2, a right universal shaft 18 and a right U-shaped claw 19 are respectively provided as a left contact block 27 and a right contact block 28, and the left contact block 27 and the right contact block 28 are in contact with the shield door.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A subway shield door opening and closing door clamping force detection device comprises a left assembly and a right assembly which are respectively connected with the left side and the right side of a shield door to be detected, and is characterized in that at least one assembly is a spring force measurement assembly which comprises an outer sleeve, an inner sleeve, a spring and a shield door fixing piece, wherein one end of the shield door fixing piece is connected with the shield door to be detected, the other end of the shield door fixing piece is connected with the inner sleeve, the inner sleeve is connected with the spring arranged in the outer sleeve, the outer sleeve is provided with a sliding chute with scales, a sliding block is arranged in the sliding chute, and the inner sleeve is provided; during detection, the shielding door to be detected is closed or opened, the inner sleeve is pushed to extrude or stretch the spring, and meanwhile, the push rod pushes the sliding block to slide in the sliding groove, so that the clamping force of the shielding door to be opened and closed is displayed.
2. The device for detecting the clamping force of the opening and closing door of the metro shielding door according to claim 1, wherein one end of the spring is fixed in the outer sleeve, and the other end is connected with the inner sleeve.
3. The device for detecting the clamping force of the opening and closing door of the metro shielding door according to claim 1, wherein a level gauge is further arranged on the outer sleeve.
4. The device for detecting the clamping force of the switch door of the subway shield door as claimed in claim 1, wherein the push rod on the inner sleeve is a wedge-shaped block, the spring is in a free state before detection, and the wedge-shaped block and the slide block are positioned in the middle of the sliding groove.
5. The device for detecting the clamping force of the switch door of the subway shield door as claimed in claim 1, wherein said shield door fixing member is a U-shaped claw connected with the inner sleeve through a universal shaft.
6. The device for detecting the clamping force of the opening and closing door of the subway screen door as claimed in claim 5, wherein a protective layer is arranged inside the U-shaped claw, and the U-shaped claw has a clamping function and can freely clamp or release the subway screen door.
7. The device for detecting the clamping force of the switch door of the subway shield door as claimed in claim 1, wherein said shield door fixing member is a contact block, one side of the contact block is in contact with the shield door to be detected, and the other side of the contact block is connected with the inner sleeve.
8. The device for detecting the clamping force of the switch door of the subway shield door as claimed in claim 1, wherein said left assembly and said right assembly have the same structure and are both spring force measuring assemblies, and are connected by a connecting member; the connecting piece comprises a connecting sleeve and a connecting bolt, the connecting sleeve is respectively connected with the left assembly and the right assembly, the length of the whole detection device is adjusted by adjusting the length of the connecting bolt in the connecting sleeve, and the adjusting length range is 100 cm-200 cm.
9. The device for detecting the clamping force of the opening and closing door of the subway screen door as claimed in claim 8, wherein said connecting sleeve is provided with supporting legs with adjustable height, which are located at the central symmetrical position of the device for detecting the clamping force of the opening and closing door and can slide along the supporting ground.
10. The device for detecting the clamping force of the switch door of the subway shield door as claimed in claim 1, wherein the left component or the right component is a spring force measuring component, the other component is a connecting rod component, the connecting rod component comprises a connecting screw rod, a connecting outer sleeve and a shield door fixing part, the connecting outer sleeve is fixed at the end head of the outer sleeve of the connecting spring force measuring component, one end of the connecting screw rod is inserted into the connecting outer sleeve, the other end of the connecting screw rod is connected with the shield door fixing part, the shield door fixing part is in contact with the shield door to be detected, and the length of the whole detection device is adjusted by adjusting the length of the connecting screw rod in the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010097323.2A CN111174949A (en) | 2020-02-17 | 2020-02-17 | Subway shield door switch door clamping force detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010097323.2A CN111174949A (en) | 2020-02-17 | 2020-02-17 | Subway shield door switch door clamping force detection device |
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| Publication Number | Publication Date |
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| CN111174949A true CN111174949A (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010097323.2A Pending CN111174949A (en) | 2020-02-17 | 2020-02-17 | Subway shield door switch door clamping force detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697199A (en) * | 2020-12-11 | 2021-04-23 | 安徽中科智能高技术有限责任公司 | Subway shielding door dynamic performance comprehensive detector and detection method |
| CN113188698A (en) * | 2021-05-08 | 2021-07-30 | 温州泰乐维工程设计有限公司 | City subway platform door closure force detection device |
| CN113353760A (en) * | 2021-05-31 | 2021-09-07 | 三菱电机上海机电电梯有限公司 | Car balance adjustment auxiliary fixtures |
-
2020
- 2020-02-17 CN CN202010097323.2A patent/CN111174949A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697199A (en) * | 2020-12-11 | 2021-04-23 | 安徽中科智能高技术有限责任公司 | Subway shielding door dynamic performance comprehensive detector and detection method |
| CN113188698A (en) * | 2021-05-08 | 2021-07-30 | 温州泰乐维工程设计有限公司 | City subway platform door closure force detection device |
| CN113353760A (en) * | 2021-05-31 | 2021-09-07 | 三菱电机上海机电电梯有限公司 | Car balance adjustment auxiliary fixtures |
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