CN110980462A - Elevator hydraulic buffer test tower assembly line - Google Patents
Elevator hydraulic buffer test tower assembly line Download PDFInfo
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- CN110980462A CN110980462A CN201911273998.1A CN201911273998A CN110980462A CN 110980462 A CN110980462 A CN 110980462A CN 201911273998 A CN201911273998 A CN 201911273998A CN 110980462 A CN110980462 A CN 110980462A
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- lift car
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- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000005086 pumping Methods 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
- B66B5/0093—Testing of safety devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator hydraulic buffer test tower assembly line, which structurally comprises a chain plate line, a guide sleeve jig, an upper spring seat jig, a test tower and an oil pumping box, wherein the test tower consists of a tower body, a large lift car, rack columns, a small lift car, an anti-falling device and a test device, the large lift car and the small lift car are matched with the rack columns through the anti-falling device to increase the up-and-down movement stability of the large lift car and the small lift car, and the anti-falling device can prevent the large lift car or the small lift car from being locked in the test tower when a steel wire rope is broken, so that personnel or accidents caused by falling of the large lift car or the small lift car are prevented, safety protection measures are increased, the accidents are reduced, the test tower carries out remote monitoring test on an hydraulic buffer through the test device, and carries out oil injection regulation on the hydraulic buffer through remote operation.
Description
Technical Field
The invention relates to the field of chain plate assembly lines, in particular to an elevator hydraulic buffer test tower assembly line.
Background
The elevator is a common transport means, mainly apply to between the floor, when carrying out the manufacturing of elevator, the hydraulic buffer of elevator need test, current elevator hydraulic buffer is when testing, efficiency is lower, test tower hanging box lifting means generally is motor wire rope, long-term use hanging box can lead to wire rope to take place to damage, and wire rope takes place to damage difficult observation, easy fracture, probably cause the accident to take place, consequently need solve the prevention when breaking off wire rope, some test tower hanging boxes are when testing hydraulic buffer, carry out artifical manual oiling, can cause certain danger.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a test tower assembly line for an elevator hydraulic buffer structurally comprises a chain plate line, a guide sleeve jig, an upper spring seat jig, a test tower and an oil pumping box, wherein the guide sleeve jig and the upper spring seat jig are installed on the surface of the chain plate line side by side;
the test tower constitute by body of the tower, big car, rack post, little car, anti-falling device, testing arrangement, the body of the tower inner wall on install the rack post more than two, rack post and rack post between be equipped with big car and little car, big car and little car about both ends all be equipped with anti-falling device, big car and little car all with anti-falling device through electric welding, big car and little car pass through anti-falling device and mesh mutually, the inside bottom of body of the tower install testing arrangement.
As a further optimization of this technical scheme, anti-falling device constitute by casing, scram mechanism, slide mechanism, speedtransmitter, limiting plate, battery, supporting shoe, the inside bottom of casing under install speedtransmitter, speedtransmitter left side on be equipped with the battery, battery and casing be connected, the casing intermediate position on be equipped with the limiting plate, casing and limiting plate fixed connection, the inside right side of casing on be equipped with slide mechanism, casing and slide mechanism adopt clearance fit, the inside left side of casing on be equipped with scram mechanism, casing and scram mechanism be connected, slide mechanism below be equipped with the supporting shoe, supporting shoe and casing fixed connection.
As a further optimization of the technical scheme, the emergency stop mechanism comprises an air cylinder, a telescopic push-pull rod, a connecting block, a first arc-shaped clamping plate and a second arc-shaped clamping plate, the telescopic push-pull rod is arranged on the air cylinder, the air cylinder is mechanically connected with one end of the telescopic push-pull rod, the connecting block is arranged at the other end of the telescopic push-pull rod, the telescopic push-pull rod is fixedly connected with the connecting block, the surface of the connecting block is provided with the first arc-shaped clamping plate and the second arc-shaped clamping plate, and the first arc-shaped clamping plate and the second arc-shaped clamping plate are welded with the connecting block through electric welding.
As a further optimization of the technical scheme, ejector rods are arranged at the bottom ends of the first arc-shaped clamping plate and the second arc-shaped clamping plate, and the first arc-shaped clamping plate and the second arc-shaped clamping plate are fixedly connected with the ejector rods.
As a further optimization of the technical scheme, the sliding mechanism comprises a rotating shaft, a first sliding gear and a second sliding gear, the surface of the rotating shaft is provided with the first sliding gear and the second sliding gear side by side, and the first sliding gear and the second sliding gear are integrated with the rotating shaft.
As a further optimization of the technical scheme, the testing device comprises a base, a displacement sensor, an oil ejector, an electric controller, a measuring rod and a connecting rod, wherein the displacement sensor is arranged on the top end of the base, the base is connected with the displacement sensor, the measuring rod is arranged on the surface of the displacement sensor, the displacement sensor is mechanically connected with one end of the measuring rod, the connecting rod is arranged at the other end of the measuring rod, the oil ejector is arranged on the right side of the displacement sensor, the oil ejector is movably connected with the base, and the electric controller is arranged on the top end of the oil ejector.
As a further optimization of the technical scheme, the inner sides of the first arc-shaped clamping plate and the second arc-shaped clamping plate are provided with clamping teeth for clamping the sliding mechanism.
As a further optimization of the technical solution, the second sliding gear is engaged with the rack post.
As a further optimization of the technical scheme, the bottom end of the ejector rod is in sliding fit with the supporting block.
Advantageous effects
The invention relates to an elevator hydraulic buffer test tower assembly line, when a large car or a small car in a test tower is lifted by using a steel wire rope, the large car or the small car falls after the steel wire rope is broken, the descending speed of the large car or the small car is monitored in real time by a speed sensor, when the speed is too high, the speed sensor controls a cylinder to drive a telescopic push-pull rod to move outwards, the telescopic push-pull rod drives a second arc-shaped clamping plate on a connecting block to be attached to a second sliding gear, the second sliding gear is clamped by clamping teeth on the inner side of the second arc-shaped clamping plate, resistance is generated between the second sliding gear and a rack column, the large car or the small car does not continuously fall down, the connecting block drives the clamping teeth on the first arc-shaped clamping plate to clamp the first sliding gear, the positioning performance of the second sliding gear is improved, the second arc-shaped clamping plate is supported by matching of a supporting block, and cannot be deformed due, when manipulator in with oil buffer propelling movement tower body bottom, be connected through the head of being collided on connecting rod and the oil buffer, through big car or little car striking head of being collided, and then let the head of being collided move the connecting rod and promote the measuring stick and move down for displacement sensor test data transmits for the staff, and staff's rethread electric controller control oil squirt adjusts the oiling in to oil buffer, has improved work efficiency.
Compared with the prior art, the invention has the beneficial effects that: big car and little car increase its stability that reciprocates through anti-falling device cooperation rack post, and can prevent when wire rope from appearing the fracture through anti-falling device, with big car or little car locking in the test tower, prevent that it from falling and causing the emergence of personnel or accident, safety protection measures have been increased, also reduce the emergence of accident, the test tower carries out the remote monitoring test to the oil buffer through testing arrangement, and carry out oiling regulation to the oil buffer through remote operation, work efficiency is improved, staff's security performance has been increased.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of an elevator hydraulic buffer test tower assembly line.
FIG. 2 is a schematic cross-sectional view of a test tower according to the present invention.
FIG. 3 is a schematic view of the static state structure of the anti-falling device in front view section.
FIG. 4 is a schematic structural view of the front view section of the anti-falling device of the present invention in the working state.
FIG. 5 is a schematic structural diagram of the emergency stop mechanism and the sliding mechanism according to the present invention.
FIG. 6 is a schematic structural diagram of a testing apparatus according to the present invention.
In the figure: chain plate line-1, guide sleeve jig-2, upper spring seat jig-3, test tower-4, pumping unit-5, tower body-4 a, large lift car-4 b, rack column-4 c, small lift car-4 d, anti-falling device-4 e, test device-4 f, shell-4 e1, emergency stop mechanism-4 e2, sliding mechanism-4 e3, speed sensor-4 e4, limiting plate-4 e5, storage battery-4 e6, supporting block-4 e7, cylinder-4 e21, telescopic push-pull rod-4 e22, connecting block-4 e23, first arc-shaped clamping plate-4 e24, second arc-shaped clamping plate-4 e25, ejector rod-h 1, rotating shaft-4 e31, first sliding gear-4 e32, second sliding gear-4 e33, oil pumping unit-4 e2, sliding unit-4 e24, and sliding unit-4 e-3652, The device comprises a base-4 f1, a displacement sensor-4 f2, an oil injector-4 f3, an electric controller-4 f4, a measuring rod-4 f5 and a connecting rod-4 f 6.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example 1
Referring to fig. 1-6, the invention provides an elevator hydraulic buffer test tower assembly line, which structurally comprises a chain plate line 1, a guide sleeve jig 2, an upper spring seat jig 3, a test tower 4 and an oil pumping box 5, wherein the guide sleeve jig 2 and the upper spring seat jig 3 are arranged on the surface of the chain plate line 1 side by side, the test tower 4 is arranged on the surface of the chain plate line 1, the chain plate line 1 is connected with the test tower 4, an oil pumping box 5 is arranged at one end of the chain plate line 1, and the chain plate line 1 is matched with the oil pumping box 5;
The anti-falling device 4e consists of a shell 4e1, an emergency stop mechanism 4e2, a sliding mechanism 4e3, a speed sensor 4e4, a limit plate 4e5, a storage battery 4e6 and a support block 4e7, a speed sensor 4e4 is arranged at the bottom end in the shell 4e1, a storage battery 4e6 is arranged on the left side of the speed sensor 4e4, the storage battery 4e6 is connected with the shell 4e1, a limit plate 4e5 is arranged in the middle of the shell 4e1, the shell 4e1 is fixedly connected with the limit plate 4e5, the right side in the shell 4e1 is provided with a sliding mechanism 4e3, the shell 4e1 and the sliding mechanism 4e3 are in clearance fit, the left side inside the shell 4e1 is provided with an emergency stop mechanism 4e2, the shell 4e1 is connected with the emergency stop mechanism 4e2, a support block 4e7 is arranged below the sliding mechanism 4e3, and the support block 4e7 is fixedly connected with the shell 4e 1.
The emergency stop mechanism 4e2 comprises an air cylinder 4e21, a telescopic push-pull rod 4e22, a connecting block 4e23, a first arc-shaped clamping plate 4e24 and a second arc-shaped clamping plate 4e25, the air cylinder 4e21 is provided with a telescopic push-pull rod 4e22, one end of the air cylinder 4e21 is mechanically connected with one end of the telescopic push-pull rod 4e22, the other end of the telescopic push-pull rod 4e22 is provided with a connecting block 4e23, the telescopic push-pull rod 4e22 is fixedly connected with the connecting block 4e23, the surface of the connecting block 4e23 is provided with a first arc-shaped clamping plate 4e24 and a second arc-shaped clamping plate 4e25, and the first arc-shaped clamping plate 4e24 and the second arc-shaped clamping plate 4e25 are welded with the connecting block 4e 23.
The bottom ends of the first arc-shaped clamping plate 4e24 and the second arc-shaped clamping plate 4e25 are respectively provided with a push rod h1, and the first arc-shaped clamping plate 4e24 and the second arc-shaped clamping plate 4e25 are both fixedly connected with the push rod h 1.
The sliding mechanism 4e3 comprises a rotating shaft 4e31, a first sliding gear 4e32 and a second sliding gear 4e33, wherein the surface of the rotating shaft 4e31 is provided with the first sliding gear 4e32 and the second sliding gear 4e33 side by side, and the first sliding gear 4e32 and the second sliding gear 4e33 are integrated with the rotating shaft 4e 31.
The principle of the invention is as follows: when the large car 4b or the small car 4d in the test tower 4 is lifted by using the steel wire rope, after the steel wire rope is broken, the large car 4b or the small car 4d falls, the descending speed of the large car 4b or the small car 4d is monitored in real time by the speed sensor 4e4, when the speed is too high, the speed sensor 4e4 controls the air cylinder 4e21 to drive the telescopic push-pull rod 4e22 to move outwards, the telescopic push-pull rod 4e22 drives the second arc-shaped clamping plate 4e25 on the connecting block 4e23 to be attached to the second sliding gear 4e33, the clamping teeth on the inner side of the second arc-shaped clamping plate 4e25 are used for clamping the second sliding gear 4e33, resistance is generated between the second sliding gear 4e33 and the rack post 4c, so that the large car 4b or the small car 4d does not continuously descend, and the connecting block 4e23 drives the clamping teeth on the first arc-shaped clamping plate 4e24 to clamp the first sliding gear 4e32, the positioning performance of the second sliding gear 4e33 is increased, and the second arc-shaped snap plate 4e25 is supported by the ejector rod h1 and the supporting block 4e7 to be not deformed due to friction resistance.
The method for solving the problems comprises the following steps: big car 4b increases its stability that reciprocates through anti-falling device 4e cooperation rack post 4c with little car 4d to when can preventing through anti-falling device 4e that wire rope from appearing the fracture, with big car 4b or little car 4d locking in test tower 4, prevent that it from falling and causing the emergence of personnel or accident, increased safety protection measure, also reduce the emergence of accident.
Example 2
Referring to fig. 1-6, the invention provides an elevator hydraulic buffer test tower assembly line, wherein the test device 4f comprises a base 4f1, a displacement sensor 4f2, an oil ejector 4f3, an electric controller 4f4, a measuring rod 4f5 and a connecting rod 4f6, the top end of the base 4f1 is provided with the displacement sensor 4f2, the base 4f1 is connected with the displacement sensor 4f2, the surface of the displacement sensor 4f2 is provided with the measuring rod 4f5, the displacement sensor 4f2 is mechanically connected with one end of the measuring rod 4f5, the other end of the measuring rod 4f5 is provided with the connecting rod 4f6, the right side of the displacement sensor 4f2 is provided with the oil ejector 4f3, the oil ejector 4f3 is movably connected with the base 4f1, and the top end of the oil ejector 4f3 is provided with the electric controller 4f 4.
The inner sides of the first arc-shaped clamping plate 4e24 and the second arc-shaped clamping plate 4e25 are provided with clamping teeth for clamping the sliding mechanism 4e3, the second sliding gear 4e33 is meshed with the rack post 4c, and the bottom end of the ejector rod h1 is in sliding fit with the supporting block 4e 7.
The principle of the invention is as follows: when the manipulator pushes the oil buffer to the inner bottom end of the tower body 4a, the connecting rod 4f6 is connected with the collided head on the oil buffer, the collided head is collided by the large car 4b or the small car 4d, and the collided head drives the connecting rod 4f6 to push the measuring rod 4f5 to move downwards, so that the test data of the displacement sensor 4f2 is transmitted to a worker, the worker controls the oil ejector 4f3 to adjust and inject oil into the oil buffer through the electric controller 4f4, and the working efficiency is improved.
The method for solving the problems comprises the following steps: the testing tower 4 carries out remote monitoring test on the oil buffer through the testing device 4f, and carries out oil injection adjustment on the oil buffer through remote operation, so that the working efficiency is improved, and the safety performance of workers is improved.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an elevator hydraulic buffer test tower assembly line, its structure includes chain plate line (1), uide bushing tool (2), goes up spring holder tool (3), test tower (4), oil pumping case (5), chain plate line (1) install uide bushing tool (2) and last spring holder tool (3) side by side on the surface, chain plate line (1) be equipped with test tower (4) on the surface, chain plate line (1) be connected with test tower (4), one of chain plate line (1) serve and be equipped with oil pumping case (5), chain plate line (1) and oil pumping case (5) cooperate its characterized in that:
the testing tower (4) consists of a tower body (4a), a large lift car (4b), a rack column (4c), a small lift car (4d), an anti-falling device (4e) and a testing device (4f), more than two rack columns (4c) are arranged on the inner wall of the tower body (4a), a large lift car (4b) and a small lift car (4d) are arranged between the rack columns (4c) and the rack columns (4c), the upper and lower ends of the big cage (4b) and the small cage (4d) are both provided with anti-falling devices (4e), the large lift car (4b) and the small lift car (4d) are welded with the anti-falling device (4e) through electric welding, big car (4b) and little car (4d) and rack post (4c) mesh through anti-falling device (4e), the inside bottom of tower body (4a) install testing arrangement (4 f).
2. The elevator hydraulic buffer test tower assembly line of claim 1, wherein: the anti-falling device (4e) consists of a shell (4e1), an emergency stop mechanism (4e2), a sliding mechanism (4e3), a speed sensor (4e4), a limiting plate (4e5), a storage battery (4e6) and a supporting block (4e7), wherein the speed sensor (4e4) is installed below the bottom end inside the shell (4e1), the storage battery (4e6) is arranged on the left side of the speed sensor (4e4), the storage battery (4e6) is connected with the shell (4e1), the limiting plate (4e5) is arranged at the middle position of the shell (4e1), the shell (4e1) is fixedly connected with the limiting plate (4e5), the sliding mechanism (4e3) is arranged on the right side inside the shell (4e1), the shell (4e1) and the sliding mechanism (4e3) are in clearance fit, and the emergency stop mechanism (4e2) is arranged on the left side inside the shell (4e1), the shell (4e1) is connected with the emergency stop mechanism (4e2), a supporting block (4e7) is arranged below the sliding mechanism (4e3), and the supporting block (4e7) is fixedly connected with the shell (4e 1).
3. The elevator hydraulic buffer test tower assembly line of claim 2, wherein: the emergency stop mechanism (4e2) comprises an air cylinder (4e21), a telescopic push-pull rod (4e22), a connecting block (4e23), a first arc-shaped clamping plate (4e24) and a second arc-shaped clamping plate (4e25), wherein the telescopic push-pull rod (4e22) is arranged on the air cylinder (4e21), one end of the air cylinder (4e21) is mechanically connected with one end of the telescopic push-pull rod (4e22), a connecting block (4e23) is arranged at the other end of the telescopic push-pull rod (4e22), the telescopic push-pull rod (4e22) is fixedly connected with the connecting block (4e23), a first arc-shaped clamping plate (4e24) and a second arc-shaped clamping plate (4e25) are arranged on the surface of the connecting block (4e23), and the first arc-shaped clamping plate (4e24) and the second arc-shaped clamping plate (4e25) are welded with the connecting block (4e23) through.
4. The elevator hydraulic buffer test tower assembly line of claim 3, wherein: the bottom ends of the first arc-shaped clamping plate (4e24) and the second arc-shaped clamping plate (4e25) are respectively provided with a push rod (h1), and the first arc-shaped clamping plate (4e24) and the second arc-shaped clamping plate (4e25) are both fixedly connected with the push rod (h 1).
5. The elevator hydraulic buffer test tower assembly line of claim 2, wherein: slide mechanism (4e3) by pivot (4e31), first sliding gear (4e32), second sliding gear (4e33) constitute, pivot (4e31) on the surface be equipped with side by side first sliding gear (4e32) and second sliding gear (4e33), first sliding gear (4e32) and second sliding gear (4e33) all be integrated structure with pivot (4e 31).
6. The elevator hydraulic buffer test tower assembly line of claim 1, wherein: the testing device (4f) is composed of a base (4f1), a displacement sensor (4f2), an oil ejector (4f3), an electric controller (4f4), a measuring rod (4f5) and a connecting rod (4f6), wherein the top end of the base (4f1) is provided with the displacement sensor (4f2), the base (4f1) is connected with the displacement sensor (4f2), the surface of the displacement sensor (4f2) is provided with the measuring rod (4f5), the displacement sensor (4f2) is mechanically connected with one end of the measuring rod (4f5), the other end of the measuring rod (4f5) is provided with the connecting rod (4f6), the displacement sensor (4f2) is provided with the oil ejector (4f3), the oil ejector (4f3) is connected with the base (4f1), and the top end of the oil ejector (4f3) is provided with the electric controller (4f 4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273998.1A CN110980462B (en) | 2019-12-12 | 2019-12-12 | Elevator hydraulic buffer test tower assembly line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273998.1A CN110980462B (en) | 2019-12-12 | 2019-12-12 | Elevator hydraulic buffer test tower assembly line |
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| CN110980462A true CN110980462A (en) | 2020-04-10 |
| CN110980462B CN110980462B (en) | 2021-05-11 |
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| CN201911273998.1A Active CN110980462B (en) | 2019-12-12 | 2019-12-12 | Elevator hydraulic buffer test tower assembly line |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205419396U (en) * | 2016-03-19 | 2016-08-03 | 张小霞 | Elevator buffer device |
| CN106629286A (en) * | 2016-12-13 | 2017-05-10 | 上海交通大学 | Falling testing tower |
| CN107128770A (en) * | 2017-05-11 | 2017-09-05 | 合肥工业大学 | One kind is used for vertical-lift elevator anti-falling self-locking device |
| CN107601206A (en) * | 2017-09-01 | 2018-01-19 | 苏州臂之力工业设备有限公司 | A kind of fall arrest brake structure |
| CN208716622U (en) * | 2018-08-10 | 2019-04-09 | 广东长城电梯有限公司 | A kind of emergency staircase |
| CN110207968A (en) * | 2019-06-21 | 2019-09-06 | 安徽九纲机电有限公司 | A kind of hydraulic buffer of elevator test tower assembly line |
-
2019
- 2019-12-12 CN CN201911273998.1A patent/CN110980462B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205419396U (en) * | 2016-03-19 | 2016-08-03 | 张小霞 | Elevator buffer device |
| CN106629286A (en) * | 2016-12-13 | 2017-05-10 | 上海交通大学 | Falling testing tower |
| CN107128770A (en) * | 2017-05-11 | 2017-09-05 | 合肥工业大学 | One kind is used for vertical-lift elevator anti-falling self-locking device |
| CN107601206A (en) * | 2017-09-01 | 2018-01-19 | 苏州臂之力工业设备有限公司 | A kind of fall arrest brake structure |
| CN208716622U (en) * | 2018-08-10 | 2019-04-09 | 广东长城电梯有限公司 | A kind of emergency staircase |
| CN110207968A (en) * | 2019-06-21 | 2019-09-06 | 安徽九纲机电有限公司 | A kind of hydraulic buffer of elevator test tower assembly line |
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| Publication number | Publication date |
|---|---|
| CN110980462B (en) | 2021-05-11 |
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