CN215910122U - Elevator door lock test bench - Google Patents
Elevator door lock test bench Download PDFInfo
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- CN215910122U CN215910122U CN202120464820.1U CN202120464820U CN215910122U CN 215910122 U CN215910122 U CN 215910122U CN 202120464820 U CN202120464820 U CN 202120464820U CN 215910122 U CN215910122 U CN 215910122U
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Abstract
The utility model discloses an elevator door lock test bed which comprises a bearing table, two door lock mounting frames arranged on the bearing table, a durability test device, a static test device, a dynamic test device and an electrical control cabinet. The endurance test device is a crank rocker mechanism and drives the two door lock mounting frames to carry out mechanical and electrical endurance tests; the static test device comprises a synchronous belt transmission mechanism and a force sensor assembly, and can apply static force to the door lock and keep the static force for a specified time; the dynamic test device is a pendulum mechanism, simulates the effect generated by the free falling of a rigid body from a certain height, and performs impact test on the door lock in a locking state through a stressed rod; the electric control cabinet comprises a voltage regulating module, a resistance regulating module, an inductance regulating module, a force display control module and a counting module. The test bed can realize four test items of durability, static state, dynamic state and breaking capacity of the door lock device, and can simultaneously carry out durability tests on two sets of door locks.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator door lock test bed.
Background
In order to verify the strength and reliability of the locking element and the electrical element, the elevator door lock device should perform endurance test, static test, dynamic test, breaking capability test, and the like. In the prior art, the existing door lock test bed cannot simultaneously meet four test requirements of durability, static state, dynamic state and circuit breaking capacity, and only a single set of door lock device can be tested at the same time. The elevator type test regulation TSG T7007-216 specifies that ac and dc endurance tests should be carried out if the door locking device is suitable for both ac and dc circuits. Therefore, the existing door lock testing device is adopted to carry out the endurance test of the AC/DC door lock device, and the test needs to be carried out on the same instrument twice or simultaneously by adopting two instruments.
Therefore, there is a need for improvements to existing elevator door test stands.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings of the prior art, and provides an elevator door lock test bed which can realize four test items of durability, static state, dynamic state and circuit breaking capability of a door lock device and can simultaneously carry out durability tests on two sets of door locks.
The purpose of the utility model is realized by the following technical scheme:
an elevator door lock test bed comprises a bearing platform, two door lock mounting frames arranged on the bearing platform, an endurance test device, a static test device, a dynamic test device and an electrical control cabinet;
the two door lock mounting frames are symmetrically arranged, each door lock mounting frame comprises two upright posts fastened on the bearing table, a top plate fixedly connected to the tops of the two upright posts, a first side plate and a second side plate fixedly connected to the outer sides of the two upright posts respectively, an upper guide shaft and a lower guide shaft connected between the first side plate and the second side plate, a door lock moving end mounting plate in sliding connection with the upper guide shaft and the lower guide shaft, two limit baffles arranged on the lower guide shaft, and a linear slide rail connected between the two upright posts; transverse plates are respectively arranged between the upright columns on the same side of the two door lock mounting frames, and each transverse plate is in threaded connection with the two door lock static end mounting plates;
the endurance test device comprises a first speed reducing motor, a crank, a first connecting rod, a first rocker, a rocker shaft, a second rocker, a second connecting rod, a connecting piece, a guide bush and a moving shaft, wherein the guide bush is arranged in the middle of the first side plate and the second side plate through a connecting plate;
the static test device comprises a second speed reducing motor, a speed reducing device, a bearing seat which is coaxial with the lower guide shaft, a guide block fastened at the lower part of the first side plate, a sleeve respectively in threaded connection with the bearing seat and the guide block, a screw shaft arranged in the sleeve, a screw nut, a compression spring, an end cover, two travel switches arranged at the lower part of the sleeve and a force sensor assembly; two screws are symmetrically arranged on the outer edge of the flange surface of the screw nut, extend outwards from the waist-shaped through hole of the sleeve, and trigger two corresponding travel switches at the tail end of the travel of the screw nut;
the dynamic test device comprises a detachable stress rod, a guide block fastened at the lower part of the second side plate, an L-shaped mounting plate fastened at the upper part of the second side plate, a pendulum bob hinged to the L-shaped mounting plate and a limit screw arranged on the L-shaped mounting plate.
The electrical control cabinet comprises a voltage regulating module, a resistance regulating module, an inductance regulating module, a force display control module and a counting module.
As a preferable scheme, the linear slide rail of the door lock mounting bracket includes a clamping seat mounted on two columns of the door lock mounting bracket, a slide rail mounting plate fastened on the clamping seat, a slide rail fastened on the slide rail mounting plate, a slide block slidably connected with the slide rail, an L-shaped bending plate fastened with the slide block, a roller mounted on the L-shaped bending plate, a limit stop arranged in a slide rail groove, and two tension spring struts and tension springs respectively arranged in the slide rail groove and on the slide block.
As a preferred scheme, be provided with the sensor mounting panel on the first curb plate of lock mounting bracket or the second curb plate, be equipped with the count sensor on the sensor mounting panel.
As a preferred scheme, a connecting piece of the endurance test device is in threaded connection with a counting sensor trigger plate, and a car door lock push plate, a door knife and a spring mounting plate with adjustable positions are arranged on the moving shaft.
The elevator door lock endurance test method of the elevator door lock test bed comprises the following steps:
(1) the method comprises the following steps that the static end of an elevator door lock is arranged on a door lock static end mounting plate, the moving end of the elevator door lock is arranged on a door lock moving end mounting plate, the relative position of the static end and the moving end of the door lock can be roughly adjusted by adjusting the height of a transverse plate on an upright post, and the relative position of the static end and the moving end of the door lock can be finely adjusted by adjusting the position of the door lock static end mounting plate on the transverse plate;
(2) if the test sample is a layer door lock, firstly, a second extension spring is arranged between a spring mounting plate of a moving shaft and a door lock moving end mounting plate, and the second extension spring provides spring force to reset the door lock; adjusting the position of a limiting baffle on a lower guide shaft to ensure that the limiting baffle just contacts a door lock moving end mounting plate when the landing door lock is naturally locked; the position of the spring mounting plate on the moving shaft is adjusted, so that the door knife is always in contact with the door lock roller in the reset process of the door lock, and the lock hook is lifted; adjusting the position of the door knife on the moving shaft to limit the distance between the door knife and the door lock roller when the door knife moves to the limit position after the floor door lock is locked;
if the test sample is a car door lock, firstly, a second extension spring is arranged between an extension spring support of the bearing platform and a door lock moving end mounting plate, and the second extension spring provides spring force to reset the door lock; adjusting the position of a limiting baffle on the lower guide shaft to ensure that the limiting baffle just contacts the door lock moving end mounting plate when the door lock is naturally locked; regulating the installation height of the roller to make it located in the middle of the door locking knife; adjusting the installation position of a fixed spring support of the linear slide rail to enable the fixed spring support to have enough spring force to lift the lock hook of the door lock; adjusting the installation position of a limit stop of the linear slide rail to ensure that when the slide block is contacted with the limit baffle, the roller is positioned in the middle of the two door knives of the car door lock in the horizontal direction, and the roller is not contacted with the two door knives at the moment;
(3) selecting one of the two counting sensors according to the door opening direction of the door lock, and finely adjusting the mounting position of the counting sensor to ensure that the counting sensor is just triggered when the door lock is locked, thereby ensuring accurate counting in the test process;
(4) connecting a door lock switch to an electrical control cabinet, and setting test voltage, test current, test frequency and test times;
(5) the power is switched on, the test is started, whether the lifting and falling of the lock hook of the door lock are normal or not and whether the on-off of the switch of the door lock is normal or not are observed, and the installation position of the door lock is adjusted according to the requirement.
The elevator door lock static test method of the elevator door lock test bed comprises the following steps:
(1) installing an elevator door lock on a door lock installation frame on one side of a static test device;
(2) one end of the force sensor assembly is inserted into the guide block and is in contact with the groove of the compression spring end cover, and the other end of the force sensor assembly is inserted into the central hole of the limiting baffle;
(3) adjusting the installation position of the elevator door lock to enable one end of the force sensor to pass through the central hole of the limiting baffle and then to be in contact with the installation plate at the moving end of the elevator door lock;
(4) setting static force and action time through an electric control cabinet;
(5) starting a second speed reducing motor, applying a static force to the stress rod by the end cover under the driving of the screw shaft and the compression spring, and keeping the set action time after the specified static force is reached; after the set action time is reached, the second speed reducing motor is reversely rotated and reset;
(6) it is checked whether the door lock is deformed or broken to affect safety.
The elevator door lock dynamic test method of the elevator door lock test bed is characterized by comprising the following steps:
(1) installing an elevator door lock on a door lock installation frame on one side of the dynamic test device;
(2) one end of a stress rod is inserted into the guide block and just contacts with the pendulum bob in a natural state, and the other end of the stress rod is inserted into a central hole of the limit baffle;
(3) adjusting the installation position of the elevator door lock to ensure that one end of the stress rod passes through the central hole of the limiting baffle and then just contacts with the installation plate of the moving end of the door lock;
(4) manually lifting the pendulum bob to enable the pendulum bob to be in contact with the limiting screw, and enabling the pendulum bob rod to be in a horizontal state;
(5) the pendulum bob is loosened to naturally swing and fall down, and the pendulum bob just impacts the stress rod when moving to the lowest point;
(6) it is checked whether the door lock is deformed or broken to affect safety.
Compared with the prior art, the utility model has the following beneficial effects:
1. the two door lock mounting frames are driven by the crank rocker mechanism, so that the endurance tests of two sets of door lock devices can be simultaneously carried out;
2. the layer door lock is driven by simulating a door knife through the push plate, the car door lock is driven by simulating a door lock roller through the push plate and the roller, and both the layer door lock and the car door lock are suitable;
3. the door lock moving end mounting plate of the door lock mounting frame is arranged between the two door lock static end mounting plates, so that the door locks in the left and right door opening directions can be mounted;
4. the requirement of 0.7 +/-0.05 of the power factor of the test of the breaking capacity of the alternating current circuit can be met by adjusting the inductance to set the power factor of the circuit;
5. the utility model can also carry out static and dynamic tests of the door lock: the static test device comprises a synchronous belt transmission mechanism and a force sensor assembly, and can apply static force to the door lock and keep the static force for a specified time; the dynamic test device is a pendulum mechanism and can simulate the effect generated by the free falling of a 4kg rigid body from the height of 0.5m to carry out impact test on the door lock in the locking state.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a perspective view of an elevator door lock test stand of the present invention;
FIG. 2 is a front view of an elevator door lock test stand of the present invention;
FIG. 3 is a left side view of the elevator door lock test stand of the present invention;
FIG. 4 is a right side view of the elevator door lock test stand of the present invention;
FIG. 5 is a top view of the elevator door lock test stand of the present invention;
FIG. 6 is a schematic structural diagram of a linear slide rail;
FIG. 7 is a schematic structural view of a static test apparatus;
FIG. 8 is an enlarged view of portion A of FIG. 7;
wherein: 1-a bearing table; 101-extension spring strut; 2-door lock mounting rack; 201-a first side panel; 202-upright post; 203-a top plate; 204-linear slide; 2041-sliding rail; 2042-sliding block; 2043-moving spring strut; 2044-a first extension spring; 2045-fixed spring strut; 2046-limit stop; 2047-L-shaped bending plates; 2048-rollers; 2049-sliding rail mounting plate; 205-door lock moving end mounting plate; 206-upper guide shaft; 207-a second side panel; 208-a push plate; 209-limit baffle; 210-a door vane; 211-lower guide shaft; 212-a second extension spring; 213-spring mounting plate; 214-door lock stationary end mounting plate; 215-a transverse plate; 216-linear bearings; 217-sensor mounting plate; 218-a counting sensor; 3-endurance test apparatus; 301-a first link; 302-a second rocker; 303-a second link; 304-a guide bushing; 305-a movement axis; 306-a bearing seat; 307-a first gear motor; 308-rocker shaft; 309-first rocker; 310-a trigger plate; 311-a connector; 312-connecting plate; 313-crank; 4-static test device; 401-force sensor assembly guide block; 402-a second gear motor; 403-driven wheel; 404-a shield; 405-a cannula; 406-a bearing seat; 407-lead screw nut; 408-a screw shaft; 409-a force sensor assembly; 410-an end cap; 411-a compression spring; 412-a travel switch; 5-dynamic testing device; 501-an L-shaped mounting plate, 502-a limit screw and 503-a pendulum bob; 504-a force-bearing rod; 505-force-bearing bar guide block.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and detailed description. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "inner", "outer" and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Examples
As shown in fig. 1 to 8, this embodiment provides an elevator door lock test bed, which includes a bearing platform 1, two door lock installation frames 2 installed on the bearing platform and symmetrically arranged, an endurance test device 3 disposed on one side of the bearing platform 1, a static test device 4 and a dynamic test device 5 disposed on the other side of the bearing platform 1, and an electrical control cabinet.
As shown in fig. 2, the door lock mounting frame 2 includes two upright posts 202 fixedly arranged on the bearing table 1, a top plate 203 fixedly connected to the tops of the two upright posts 202, a first side plate 201 and a second side plate 207 fixedly connected to the outer sides of the two upright posts 202, an upper guide shaft 206 and a lower guide shaft 211 connected between the first side plate 201 and the second side plate 207, a door lock moving end mounting plate 205 slidably connected with the upper guide shaft 206 and the lower guide shaft 211, two limit baffles 209 arranged on the lower guide shaft 211, and a linear slide rail 204 connected between the two upright posts 202; transverse plates 215 are respectively arranged between the upright posts on the same side of the two door lock mounting frames 2, and each transverse plate 215 is in threaded connection with two door lock static end mounting plates 214.
As shown in fig. 2, 5 and 6, the linear slide rail 204 of the door lock mounting bracket 2 includes a clamping seat installed on the two columns 202 of the door lock mounting bracket 204, a slide rail mounting plate 2049 fixedly installed on the clamping seat, a slide rail 2041 fixedly installed on the slide rail mounting plate 2049, a slide block 2042 slidably connected to the slide rail 2041, an L-shaped bending plate 2047 fixed to the slide block 2042, a roller 2048 installed on the L-shaped bending plate 2047, a limit stop 2046 arranged in a groove of the slide rail 2041, a fixed spring strut 2045 and a movable spring strut 2043 respectively arranged in a groove of the slide rail 2041 and on the slide block 2042, and a first extension spring 2044, wherein two ends of the first extension spring 2044 are respectively connected to the fixed spring strut 2045 and the movable spring strut 2043. The first side plate 201 of the door lock mounting bracket 2 is provided with a sensor mounting plate 217 in a zigzag shape and two counter sensors 218 mounted on the sensor mounting plate 217.
As shown in fig. 2 and 5, the endurance testing apparatus 3 includes a first reduction motor 307, a crank 313, a first link 301, a first rocker 309, a rocker shaft 308, a second rocker 302, a second link 303, a connecting member 311, a guide bush 304 provided at a middle portion of the first side plate 201 and the second side plate 207 via a connecting plate 312, and a moving shaft 305 slidably connected to the guide bush 304. The connecting member 311 of the endurance testing apparatus 3 is screwed with the counter sensor trigger plate 310, and the movable shaft 305 is provided with the position-adjustable car door lock push plate 208, the door knife 210, and the spring mounting plate 213.
As shown in fig. 4, 7 and 8, the static test apparatus 4 includes a second speed reduction motor 402, a speed reduction device, a bearing seat 406 coaxial with the lower guide shaft 211, a guide block 401 fixed to a lower portion of the first side plate 201, a sleeve 405 in threaded connection with the bearing seat 406 and the guide block 401, a screw shaft 408 disposed inside the sleeve 405, a screw nut 407, a compression spring 411, an end cover 410, two stroke switches 412 mounted to a lower portion of the sleeve 405, and a force sensor assembly 409. Two screws are symmetrically arranged on the outer edge of the flange surface of the lead screw nut 407, and extend outwards from the waist-shaped through hole of the sleeve 405, and two corresponding travel switches 412 are triggered at the tail end of the travel of the lead screw nut 405.
Referring to fig. 4, the dynamic testing apparatus 5 includes a force-bearing rod 504, a guide block 505 fixed on the lower portion of the second side plate 207, an L-shaped mounting plate 501 fixed on the upper portion of the second side plate 207, a pendulum 503 hinged to the L-shaped mounting plate 501, and a limit screw 502 arranged on the L-shaped mounting plate 501.
The electrical control cabinet comprises a voltage regulating module, a resistance regulating module, an inductance regulating module, a force display control module and a counting module. The basic control principle of the electric control cabinet is as follows: the upper computer is connected with the lower computer through a serial port, the lower computer is connected with a control panel of each module through RJ45, the voltage regulating module, the resistance regulating module and the inductance regulating module are uniformly distributed with unequal relays on the corresponding control panels, interfaces of the relays are connected with a lower controlled contactor through leads, the lower controlled contactor is connected with resistors with different resistance values and a control end of the permanent magnet synchronous motor through leads, the resistors with different resistance values are combined in a series-parallel mode by controlling the on-off of the contactors to output different resistance values, the positive and negative rotation of the permanent magnet synchronous motor arranged on a transformer and an inductor can be controlled, and the permanent magnet synchronous motor drives a knob to act to achieve the purpose of regulating voltage and inductance. The force display module and the counting module are respectively connected with the force sensor assembly and the counting sensor and transmit data to an upper computer for display in real time through a communication line.
The elevator door lock test bed can be used for carrying out an elevator door lock endurance test, an elevator door lock static test method and an elevator door lock dynamic test method, and the specific method is as follows:
1. the durability test method for the elevator door lock comprises the following steps:
(1) the method comprises the following steps that the static end of an elevator door lock is arranged on a door lock static end mounting plate, the moving end of the elevator door lock is arranged on a door lock moving end mounting plate, the relative position of the static end and the moving end of the door lock can be roughly adjusted by adjusting the height of a transverse plate on an upright post, and the relative position of the static end and the moving end of the door lock can be finely adjusted by adjusting the position of the door lock static end mounting plate on the transverse plate;
(2) if the test sample is a layer door lock, firstly, a second extension spring is arranged between a spring mounting plate of a moving shaft and a door lock moving end mounting plate, and the second extension spring provides spring force to reset the door lock; adjusting the position of a limiting baffle on a lower guide shaft to ensure that the limiting baffle just contacts a door lock moving end mounting plate when the landing door lock is naturally locked; the position of the spring mounting plate on the moving shaft is adjusted, so that the door knife is always in contact with the door lock roller in the reset process of the door lock, and the lock hook is lifted; adjusting the position of the door knife on the moving shaft to ensure that the distance between the door knife and the door lock roller is about 5mm when the door knife moves to the limit position after the floor door lock is locked, wherein in other embodiments, the distance can be adjusted according to actual conditions;
if the test sample is a car door lock, firstly, a second extension spring is arranged between an extension spring support of the bearing platform and a door lock moving end mounting plate, and the second extension spring provides spring force to reset the door lock; adjusting the position of a limiting baffle on the lower guide shaft to ensure that the limiting baffle just contacts the door lock moving end mounting plate when the door lock is naturally locked; regulating the installation height of the roller to make it located in the middle of the door locking knife; adjusting the installation position of a fixed spring support of the linear slide rail to enable the fixed spring support to have enough spring force to lift the lock hook of the door lock; adjusting the installation position of a limit stop of the linear slide rail to ensure that when the slide block is contacted with the limit baffle, the roller is positioned in the middle of the two door knives of the car door lock in the horizontal direction, and the roller is not contacted with the two door knives at the moment;
(3) selecting one of the two counting sensors according to the door opening direction of the door lock, and finely adjusting the mounting position of the counting sensor to ensure that the counting sensor is just triggered when the door lock is locked, thereby ensuring accurate counting in the test process;
(4) connecting a door lock switch to an electrical control cabinet, and setting test voltage, test current, test frequency and test times;
(5) the power is switched on, the test is started, whether the lifting and falling of the lock hook of the door lock are normal or not and whether the on-off of the switch of the door lock is normal or not are observed, and the installation position of the door lock is adjusted according to the requirement.
2. The static test method for the elevator door lock comprises the following steps:
(1) installing an elevator door lock on a door lock installation frame on one side of a static test device;
(2) one end of the force sensor assembly is inserted into the guide block and is in contact with the groove of the compression spring end cover, and the other end of the force sensor assembly is inserted into the central hole of the limiting baffle;
(3) adjusting the installation position of the elevator door lock to enable one end of the force sensor to pass through the central hole of the limiting baffle and then to be in contact with the installation plate at the moving end of the elevator door lock;
(4) setting static force and action time through an electric control cabinet; for the sliding door, the static force is 1000N, the time of acting is 300s, and the static force and the acting time can be adjusted;
(5) starting a second speed reducing motor, applying a static force to the stress rod by the end cover under the driving of the screw shaft and the compression spring, and keeping the set action time after the specified static force is reached; after the set action time is reached, the second speed reducing motor is reversely rotated and reset;
(6) it is checked whether the door lock is deformed or broken to affect safety.
The elevator door lock dynamic test method comprises the following steps:
(1) installing an elevator door lock on a door lock installation frame on one side of the dynamic test device;
(2) one end of a stress rod is inserted into the guide block and just contacts with the pendulum bob in a natural state, and the other end of the stress rod is inserted into a central hole of the limit baffle;
(3) adjusting the installation position of the elevator door lock to ensure that one end of the stress rod passes through the central hole of the limiting baffle and then just contacts with the installation plate of the moving end of the door lock;
(4) manually lifting the pendulum bob to enable the pendulum bob to be in contact with the limiting screw, and enabling the pendulum bob rod to be in a horizontal state;
(5) the pendulum bob is loosened to naturally swing and fall down, and the pendulum bob just impacts the stress rod when moving to the lowest point;
(6) it is checked whether the door lock is deformed or broken to affect safety.
The method for testing the breaking capacity of the elevator door lock comprises the following steps:
after the durability test is finished, modifying the test voltage, the test current, the test frequency and the test times in the electrical control cabinet, and setting a power factor; and then switching on a power supply, starting a test, and observing whether the test process generates traces or electric arcs and whether the damage phenomenon which is unfavorable for safety occurs.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An elevator door lock test bed is characterized by comprising a bearing table, two door lock mounting frames, an endurance test device, a static test device, a dynamic test device and an electrical control cabinet;
the two door lock mounting frames are mounted on the bearing table and symmetrically arranged, each door lock mounting frame comprises two upright posts fastened on the bearing table, a top plate fixedly connected to the tops of the two upright posts, a first side plate and a second side plate fixedly connected to the outer sides of the two upright posts respectively, an upper guide shaft and a lower guide shaft connected between the first side plate and the second side plate, a door lock moving end mounting plate in sliding connection with the upper guide shaft and the lower guide shaft, two limit baffles arranged on the lower guide shaft, and a linear slide rail connected between the two upright posts; transverse plates are respectively arranged between the upright columns on the same side of the two door lock mounting frames, and each transverse plate is in threaded connection with the two door lock static end mounting plates;
the endurance test device is arranged on the bearing table and comprises a first speed reducing motor, a crank, a first connecting rod, a first rocker, a rocker shaft, a second rocker, a second connecting rod, a connecting piece, a guide bush and a moving shaft, wherein the guide bush is arranged in the middle of the first side plate and the second side plate through a connecting plate;
the static test device is arranged on one side of the bearing table and comprises a second speed reducing motor, a speed reducing device, a bearing seat which is coaxial with the lower guide shaft, a guide block fastened at the lower part of the first side plate, a sleeve which is respectively in threaded connection with the bearing seat and the guide block, a screw shaft, a screw nut, a compression spring, an end cover, two travel switches and a force sensor assembly, wherein the screw shaft, the screw nut, the compression spring, the end cover, the two travel switches and the force sensor assembly are arranged in the sleeve; two screws are symmetrically arranged on the outer edge of the flange surface of the screw nut, extend outwards from the waist-shaped through hole of the sleeve, and trigger two corresponding travel switches at the tail end of the travel of the screw nut;
the dynamic test device is arranged on the other side of the bearing table and comprises a detachable stress rod, a guide block fastened on the lower part of the second side plate, an L-shaped mounting plate fastened on the upper part of the second side plate, a pendulum bob hinged to the L-shaped mounting plate and a limit screw arranged on the L-shaped mounting plate;
the electric control cabinet is installed on the bearing platform and comprises a voltage regulating module, a resistance regulating module, an inductance regulating module, a force display control module and a counting module.
2. The elevator door lock test bed according to claim 1, wherein the linear slide rail of the door lock mounting frame comprises a clamping seat mounted on two columns of the door lock mounting frame, a slide rail mounting plate fastened on the clamping seat, a slide rail fastened on the slide rail mounting plate, a slide block slidably connected with the slide rail, an L-shaped bending plate fastened with the slide block, a roller mounted on the L-shaped bending plate, a limit stop arranged in the slide rail groove, two tension spring pillars and a tension spring respectively arranged in the slide rail groove and on the slide block.
3. The elevator door lock test stand of claim 1, wherein a sensor mounting plate is disposed on the first side plate or the second side plate of the door lock mounting bracket, and a counting sensor is disposed on the sensor mounting plate.
4. The elevator door lock test bed according to claim 1, wherein a connecting piece of the endurance test device is in threaded connection with a counting sensor trigger plate, and a car door lock push plate, a door knife and a spring mounting plate which are adjustable in position are arranged on the moving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120464820.1U CN215910122U (en) | 2021-03-04 | 2021-03-04 | Elevator door lock test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120464820.1U CN215910122U (en) | 2021-03-04 | 2021-03-04 | Elevator door lock test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215910122U true CN215910122U (en) | 2022-02-25 |
Family
ID=80286273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120464820.1U Active CN215910122U (en) | 2021-03-04 | 2021-03-04 | Elevator door lock test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215910122U (en) |
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2021
- 2021-03-04 CN CN202120464820.1U patent/CN215910122U/en active Active
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