CN113120721A - Large-tonnage safety tongs for vertical elevator - Google Patents
Large-tonnage safety tongs for vertical elevator Download PDFInfo
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- CN113120721A CN113120721A CN202110536919.2A CN202110536919A CN113120721A CN 113120721 A CN113120721 A CN 113120721A CN 202110536919 A CN202110536919 A CN 202110536919A CN 113120721 A CN113120721 A CN 113120721A
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- elevator
- shell
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- movable rod
- wall
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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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/02—Position or depth indicators
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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
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a large-tonnage safety tongs for a vertical elevator, which comprises a shell, a hydraulic cylinder and a first movable rod, wherein a clamping groove is arranged at the bottom of the front surface of the shell in a penetrating manner, a distance measuring instrument is arranged at the bottom of the shell and is positioned at two sides of the clamping groove, a hydraulic tank is arranged at the bottom of the inner side of the shell, two groups of bearing blocks are symmetrically arranged at two sides of the inner wall of the shell, the inner sides of the bearing blocks are connected with the first movable rod through bolts, the hydraulic cylinder is arranged on the inner wall of the shell and is positioned above the first movable rod, a controller is arranged on the inner wall of the top of the shell, and a storage battery is arranged on the inner wall of. According to the elevator self-rescue system, when an elevator accident occurs, the speaker guides passengers in the elevator to take correct and effective self-rescue actions through voice playing, the feeling of confusion of the passengers can be reduced through conversation communication, and the situation that the passengers are in danger due to the fact that the passengers are too nervous to implement wrong measures is avoided.
Description
Technical Field
The invention relates to the technical field of vertical elevator safety devices, in particular to a large-tonnage safety tongs for a vertical elevator.
Background
The vertical elevator is transportation equipment for vertically transporting pedestrians or goods, an important part for protecting the safety of the elevator during the operation of the elevator by using the safety tongs, and when the elevator is in accident and in overspeed operation, the speed limiter triggers the safety tongs to operate, so that the elevator is fixed, the elevator is firmly fixed, and the accident caused by the failure is avoided.
The existing safety tongs have the defects that:
1. the reference CN108275538A discloses a safety gear for high-speed elevators, which includes a safety gear base plate disposed on the car roof, a clamping unit disposed on the safety gear base plate and used for clamping and braking a steel wire rope, an electromagnetic driving unit disposed on the safety gear base plate and used for driving the clamping unit in a magnetic attraction manner, and a movable connection unit disposed on the safety gear base plate and used for electrically connecting the electromagnetic driving unit, wherein the safety gear base plate is disposed on the car roof through a screw connection unit. The invention has the advantages of simple and effective structure of the safety tongs, convenient and quick operation of clamping and braking, sensitive braking response and no influence on normal use of the elevator. The existing device is lack of a distance measuring device inside, so that a rescuer cannot know the position of a specific floor where an elevator is trapped and cannot rapidly move to the floor where the elevator is located, and the rescue speed is influenced;
2. the comparison document CN211998337U discloses a progressive safety gear for an elevator, which comprises a safety gear body, wherein a fastening steel wire ring is fixedly mounted inside the safety gear body, a brake block located on one side of the fastening steel wire ring is arranged inside the safety gear body, an elastic block is fixedly connected to the bottom of the safety gear body, and a safety gear side wall is fixedly mounted on the outer side of the safety gear body. According to the progressive safety tongs for the elevator, the safety tongs body can be fixedly connected with the needle roller guide rail through the fixed wedge block through the oblique arrangement of the outer side of the safety tongs body, so that the safety tongs body is conveniently and fixedly connected with the needle roller guide rail, meanwhile, the contact area between the needle roller guide rail and the sliding groove in the sliding wedge block is increased, the effect of increasing the stability of the device is achieved, the problem that the installation process of the conventional device between the sliding wedge block and the needle roller guide rail is complicated is solved, the contact area between a braking device and a rail is increased through the internal structure of the adjusting device, emergency braking can not be carried out on the elevator, and accidents are easily caused;
3. the reference CN108275538A discloses an electric safety gear device and a braking method of the electric safety gear device, wherein the electric safety gear device comprises a safety gear body fixed on an elevator car system for braking, a driving system for power-off action and a releasing system for power-on action; the safety gear body is respectively connected with the release system and the driving system; the release system is made of a power traction mechanism, the electric safety gear device and the braking method of the electric safety gear device disclosed by the invention reduce the mechanisms of driving, linkage and the like of a traditional elevator mechanical speed limiter, enable the system structure to be more optimized, and replace a buffer mechanism from a control method. When emergency happens, the device lacks a device for relieving the psychological pressure of people in the elevator, and when an accident happens, people are in a closed space, and the psychology can be very uneasy and anxious.
Disclosure of Invention
The invention aims to provide a large-tonnage safety gear for a vertical elevator, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a large-tonnage safety tongs for a vertical elevator comprises a shell, a hydraulic cylinder and a first movable rod, wherein a clamping groove is formed in the bottom of the front face of the shell in a penetrating mode, a distance measuring instrument is arranged at the bottom of the shell and located on two sides of the clamping groove, a hydraulic box is arranged at the bottom of the inner side of the shell, two groups of bearing blocks are symmetrically arranged on two sides of the inner wall of the shell, the inner side of each bearing block is connected with the first movable rod through a bolt, the hydraulic cylinder is arranged on the inner wall of the shell and located above the first movable rod, a controller is arranged on the inner wall of the top of the shell, a storage battery is arranged on the inner wall of the top of the shell and located on one side of;
the infrared ray head is installed to distancer's bottom, and the gomphosis pipe is installed to distancer's bottom gomphosis, and the gomphosis pipe is located the outside of infrared ray head, and infrared reflector is installed to the diapire inboard of gomphosis pipe.
Preferably, the fixed boxes are symmetrically installed on two sides of the clamping groove, the wear-resistant clamping plates are installed on the top of the front face of the shell in a penetrating mode, the mounting plates are welded to the tops of the outer walls of the two sides of the shell, the fixing screws are installed on the inner sides of the mounting plates in a penetrating mode, and the splicing plates are installed on the front face of the shell through bolts.
Preferably, the welding has strong spring on the inner wall of fixed box, and the supporting seat is installed to strong spring's one end, and the dwang is installed to the inboard of supporting seat, and the surface mounting of dwang has the gyro wheel, and the response piece is installed to outer wall one side of gyro wheel, installs the velometer on the inboard roof of fixed box.
Preferably, the rear end of the hydraulic tank is provided with an injection pipe, the rear end of the injection pipe is provided with a sealing cover through threads, the top of the hydraulic tank is provided with a hydraulic machine, the output end of the hydraulic machine is provided with an oil conveying pipe, one end of the oil conveying pipe is provided with an output piece, the output piece is arranged at the top of the hydraulic tank, and the front end of the output piece is provided with an output pipe.
Preferably, a hydraulic movable cavity is formed in the inner side of the hydraulic cylinder, a piston is installed on the inner side of the hydraulic movable cavity in a penetrating mode, an anti-slip pad is installed at the extrusion end of the piston, a return spring is installed at one end of the piston, the return spring is installed on the inner wall of the hydraulic movable cavity, a liquid guide pipe is formed in the inner side of the hydraulic cylinder, the liquid guide pipe is connected with one side of the hydraulic movable cavity, and the rear end of the liquid guide pipe is fixedly connected with an output.
Preferably, the one end of first movable rod has the second movable rod through bolted connection, and one side of first movable rod is connected with the catch bar through the connecting piece, and catch bar one end is passed through the connecting piece and is installed on the outer wall of second movable rod, and the one end that first movable rod was kept away from to the second movable rod has the stripper plate through bolted connection, and the wearing layer is installed to the opposite face of stripper plate.
Preferably, the top of the controller is provided with a transmission line, the transmission line penetrates through the top wall of the shell, and the top end of the transmission line is provided with a loudspeaker.
Preferably, a buffer rod is installed at the bottom of the embedding pipe, and a bottom plate is installed at the bottom of the buffer rod.
Preferably, the working steps of the device are as follows:
s1, firstly, fixing a bottom plate on the ground through bolts by a user, ensuring the stability of a buffer rod, then installing a shell at the bottom of an elevator cage, fixing an installation plate at the bottom of the elevator cage through bolts, facilitating the installation plate to fix the shell, ensuring the stability of the shell, facilitating the user to install the device, enabling a wear-resistant clamping plate and a clamping groove to be sleeved at the outer side of an elevator track when the user fixes the device, jacking a supporting seat through a strong spring, facilitating the supporting seat to support an inner rotating rod, facilitating the rotating rod to support an idler wheel, ensuring the stability of the idler wheel, jacking one side of the idler wheel at the outer side of the elevator track through the strong spring, enabling the idler wheel to be tightly attached to the outer wall of the elevator track, and driving the shell to move up and down when;
s2, simultaneously driving the clamping groove to move outside the elevator track, enabling the roller wheel to rotate on the outer wall of the elevator track, enabling the roller wheel to rotate to drive the sensing part to rotate, enabling the sensing part to rotate outside the roller wheel, enabling the sensing part to pass through the speed measurer after rotating for one circle, enabling the rotating speed of the roller wheel to be accelerated when the elevator cage is in an overspeed condition, calculating the current speed of the elevator by enabling the sensing part to pass through the speed measurer for five times, transmitting information to the controller by the speed measurer when sensing the elevator is in the overspeed condition, controlling the push rod to extend by the controller, enabling the distance between two ends of the push rod to be lengthened by extending the push rod, simultaneously driving the angle between the first movable rod and the second movable rod to be enlarged, and driving the extrusion plate at one end of the second movable rod to move to the outer wall of the elevator track, and connecting the extrusion plate and the second movable rod through bolts, the angle can be conveniently adjusted, the extrusion plate is supported by the second movable rods with the same structures, so that the extrusion plate and the elevator track are always kept in a parallel state, the contact area between the wear-resistant layer on one surface of the extrusion plate and the elevator track is the maximum value, and the friction force of the device is increased and is used for reducing the moving speed of the elevator;
s3, detecting the moving speed of the elevator through a velometer, when the moving speed of the elevator is still dangerous, pumping out hydraulic oil in a hydraulic box by the operation of a hydraulic machine, then conveying the hydraulic oil to the inside of an oil conveying pipe, conveying the hydraulic oil to the inside of an output piece through the oil conveying pipe, conveying the hydraulic oil to the inside of an output pipe through the output pipe, conveying the hydraulic oil to the inside of a liquid guide pipe through the liquid guide pipe, continuously supplementing the hydraulic oil in the inside of a hydraulic movable cavity, pressurizing the inside of the hydraulic movable cavity, and extending a piston out of the inner side of a hydraulic cylinder, so that the piston moves to drive a non-slip mat to move towards the direction of an elevator sliding rail, so that a shell is fixed through the non-slip mat, an elevator fixing column in movement is used for preventing the elevator from continuously moving;
s4, the voice content of cautionary items and psychological guidance when accidents happen is stored in the controller, the controller automatically transmits information to the loudspeaker through the transmission line when an accident happens, the loudspeaker guides passengers in the elevator to take correct and effective self-rescue actions through voice playing when the elevator has the accident, the feeling of worry in the passengers can be reduced through conversation communication, and the situation that the passengers are dangerous because the passengers are too nervous to implement wrong measures is avoided.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the distance measuring instrument emits infrared rays for measuring the distance through the infrared ray head, the infrared rays are directly emitted to the infrared reflector, the infrared reflector then emits the infrared rays back, and the distance measuring instrument analyzes the distance between the infrared reflector and the infrared ray head, so that the rescue worker can quickly know the specific floor position where the passenger is trapped, and the rescue worker can quickly arrive at the trapped floor to rescue the passenger conveniently.
2. According to the elevator track parallel device, the pushing rods are arranged on the first movable rod and the second movable rod, the pushing rods extend to enable the distance between the two ends of the pushing rods to be lengthened, the angle between the first movable rod and the second movable rod is simultaneously driven to be enlarged, the pushing plates at one end of the second movable rod are driven to move towards the outer wall of the elevator track, the angle can be conveniently adjusted due to the fact that the pushing plates are connected with the second movable rod through bolts, the second movable rod with the same structure supports the pushing plates, the pushing plates and the elevator track are always kept in a parallel state, the contact area between the wear-resistant layer on one side of each pushing plate and the elevator track is the largest, and therefore friction force of the device is increased, and the moving speed of the elevator is reduced.
3. The controller stores the caution items and the voice content of psychological guidance when an accident occurs, the controller automatically transmits information to the loudspeaker through the transmission line when the accident occurs, the loudspeaker guides passengers in the elevator to take correct and effective self-rescue actions through voice playing when the accident occurs to the elevator, the feeling of worry in the passengers can be reduced through conversation communication, and the condition that the passengers are in danger because the passengers are too nervous to implement wrong measures is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic structural view of a fixing case according to the present invention;
FIG. 5 is a schematic view of the hydraulic tank of the present invention;
FIG. 6 is a schematic view of a first movable bar according to the present invention;
FIG. 7 is a schematic diagram of the controller of the present invention;
FIG. 8 is a schematic structural diagram of a distance measuring apparatus according to the present invention.
In the figure: 1. a housing; 101. a wear-resistant clamping plate; 102. a card slot; 103. a bearing seat; 104. mounting a plate; 105. a set screw; 106. splicing plates; 2. a fixing box; 201. a strong spring; 202. a supporting seat; 203. rotating the rod; 204. a roller; 205. a sensing member; 206. a velometer; 3. a hydraulic tank; 301. an injection pipe; 302. a closure cap; 303. a hydraulic press; 304. an oil delivery pipe; 305. an output member; 306. an output pipe; 4. a hydraulic cylinder; 401. a hydraulic movable cavity; 402. a return spring; 403. a piston; 404. a non-slip mat; 405. a catheter; 5. a first movable bar; 501. a second movable bar; 502. a push rod; 503. a pressing plate; 504. a wear layer; 6. a controller; 601. a transmission line; 602. a speaker; 7. a distance measuring instrument; 701. an infrared radiation head; 702. a fitting tube; 703. an infrared reflector; 704. a buffer rod; 705. a base plate; 8. and (4) a storage battery.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the present invention: a large-tonnage safety gear for a vertical elevator comprises a shell 1, a hydraulic cylinder 4 and a first movable rod 5, wherein a clamping groove 102 is arranged at the bottom of the front face of the shell 1 in a penetrating mode, the shell 1 is made of a metal material and has high hardness, the shell can bear the gravity of the elevator without deformation, the firmness of the device is guaranteed, the clamping groove 102 is made of a concave plate, the clamping groove 102 is clamped on the outer surface of an elevator track, the inner side surface of the clamping groove 102 is smooth, friction is reduced when the clamping groove 102 moves on the elevator track conveniently, the friction is avoided, the friction heating condition of the inner side of the clamping groove 102 is avoided, a distance measuring instrument 7 is arranged at the bottom of the shell 1, the distance measuring instrument 7 is fixed at the bottom of the shell 1, the height of the distance measuring instrument 7 from the ground is used for checking the change condition of the distance between the device and the ground when danger occurs, the hydraulic tank 3 is installed at the bottom of the inner side of the shell 1, the hydraulic tank 3 is used for storing hydraulic oil, power is provided for the operation of the hydraulic cylinder 4 by the hydraulic oil, two sets of bearing seats 103 are symmetrically installed on two sides of the inner wall of the shell 1, the bearing seats 103 are fixed on the inner wall of the shell 1, the bearing seats 103 are convenient to support the first movable rod 5, the inner side of each bearing seat 103 is connected with the first movable rod 5 through bolts, the first movable rod 5 is connected with the bearing seat 103 through bolts, the angle between the first movable rod 5 and the bearing seat 103 is convenient to adjust, the hydraulic cylinder 4 is installed on the inner wall of the shell 1, the stability of the hydraulic cylinder 4 is ensured, the hydraulic cylinder 4 is made of metal materials, the firmness of the device is ensured, the situation that the device is damaged when not operating for a long time is avoided, the emergency braking device comprises a shell 1, a controller 6, a storage battery 8 and a storage battery 8, wherein the controller 6 is arranged on the inner wall of the top of the shell 1, the controller 6 controls a braking device to operate when an accident occurs, attention and psychological guidance voice contents are stored in the controller 6 when the accident occurs, the storage battery 8 is arranged on the inner wall of the top of the shell 1 and used for storing electric power, a circuit of the emergency braking device is separated from an external circuit, and the situation that the circuit of the emergency braking device is in power failure and the device cannot normally operate and is in danger due to the fact that the circuit of the emergency braking device is in power failure is avoided, and the storage battery 8 is located on one side of the controller 6;
Fixing box 2 is installed to the bilateral symmetry of draw-in groove 102, wear-resisting cardboard 101 has been installed through being run through at the front top of shell 1, the welding of the both sides outer wall top of shell 1 has mounting panel 104, fixing screw 105 has been run through to install in mounting panel 104's inboard, splice plate 106 has been installed through the bolt in the front of shell 1, draw-in groove 102 is fixed fixing box 2, guarantee fixing box 2's stability, wear-resisting cardboard 101 is installed on shell 1, guarantee wear-resisting cardboard 101's stability, wear-resisting cardboard 101 card is in the orbital outside of elevator, be used for spacing the elevator, make the elevator can steady movement.
The inner wall of the fixed box 2 is welded with a strong spring 201, one end of the strong spring 201 is provided with a support base 202, the inner side of the support base 202 is provided with a rotating rod 203, the outer surface of the rotating rod 203 is provided with a roller 204, one side of the outer wall of the roller 204 is provided with a sensing part 205, the inner top wall of the fixed box 2 is provided with a velometer 206, the strong spring 201 is fixed on the inner wall of the fixed box 2, the support base 202 is jacked up by the strong spring 201, the inner rotating rod 203 is conveniently supported by the support base 202, the roller 204 is conveniently supported by the rotating rod 203, the stability of the roller 204 is ensured, one side of the roller 204 is jacked on the outer side of the elevator track by the strong spring 201, so that the roller 204 is clung to the outer wall of the elevator track, when the elevator cage vertically moves up and down, the shell 1 is, the gyro wheel 204 rotates and drives sensing piece 205 and rotates for sensing piece 205 rotates in the outside of gyro wheel 204, can pass through velometer 206 after sensing piece 205 is rotatory a week, when the condition of overspeed takes place at the elevator cage, the rotational speed of gyro wheel 204 also can accelerate, through sensing piece 205 through the quintic time of velometer 206, just can calculate the present speed of value elevator, when sensing the elevator and speeding, velometer 206 transmits information for controller 6, by the operation of controller 6 control arresting gear.
An injection pipe 301 is installed at the rear end of the hydraulic tank 3, a sealing cover 302 is installed at the rear end of the injection pipe 301 through threads, a hydraulic machine 303 is installed at the top of the hydraulic tank 3, an oil delivery pipe 304 is installed at the output end of the hydraulic machine 303, an output piece 305 is installed at one end of the oil delivery pipe 304, the output piece 305 is installed at the top of the hydraulic tank 3, an output pipe 306 is installed at the front end of the output piece 305, the injection pipe 301 is used for delivering hydraulic oil into the hydraulic tank 3, the injection pipe 301 is closed by the closing cap 302, the hydraulic machine 303 is operated to draw out the hydraulic oil inside the hydraulic tank 3, and then delivered to the inside of the oil delivery pipe 304, and the hydraulic oil is delivered to the inside of the output member 305 by the oil delivery pipe 304, the hydraulic oil is delivered to the inside of the delivery pipe 306 through the output member 305, and then delivered to the inside of the liquid guide pipe 405 through the delivery pipe 306, so that the operation of the equipment inside the hydraulic cylinder 4 is conveniently controlled.
The inner side of the hydraulic cylinder 4 is provided with a hydraulic movable cavity 401, the inner side of the hydraulic movable cavity 401 is provided with a piston 403 in a penetrating way, the extrusion end of the piston 403 is provided with an anti-skid pad 404, one end of the piston 403 is provided with a return spring 402, the return spring 402 is arranged on the inner wall of the hydraulic movable cavity 401, the inner side of the hydraulic cylinder 4 is provided with a liquid guide pipe 405, the liquid guide pipe 405 is connected with one side of the hydraulic movable cavity 401, the rear end of the liquid guide pipe 405 is fixedly connected with an output pipe 306, hydraulic oil is conveyed into the liquid guide pipe 405 through the output pipe 306 and is conveyed into the hydraulic movable cavity 401 through the liquid guide pipe 405, hydraulic oil is continuously supplemented in the hydraulic movable cavity 401 to pressurize the interior of the hydraulic movable cavity 401, so that the piston 403 extends out of the inner side of the hydraulic cylinder 4, make slipmat 404 hug closely the elevator slide rail, increase the frictional force of device, fix the device on the elevator slide rail for with the elevator fixed column in moving, prevent that the elevator from continuing to move, after the rescue is accomplished, control hydraulic oil and pass through catheter 405 and discharge, make piston 403 move to the inside of hydraulic cylinder 4, separate slipmat 404 and elevator slide rail.
One end of the first movable rod 5 is connected with a second movable rod 501 through a bolt, one side of the first movable rod 5 is connected with a push rod 502 through a connecting piece, one end of the push rod 502 is installed on the outer wall of the second movable rod 501 through a connecting piece, one end of the second movable rod 501, which is far away from the first movable rod 5, is connected with a squeezing plate 503 through a bolt, the opposite surface of the squeezing plate 503 is provided with a wear-resistant layer 504, the extension of the push rod 502 enables the distance between the two ends of the push rod 502 to be lengthened, and simultaneously, the angle between the first movable rod 5 and the second movable rod 501 is driven to be enlarged, so that the squeezing plate 503 at one end of the second movable rod 501 is driven to move towards the outer wall of the elevator track, because the squeezing plate 503 is connected with the second movable rod 501 through a bolt, the angle is convenient to adjust, the squeezing plate 503 is supported through the second movable rods 501 with the same, the contact area of the wear-resistant layer 504 on one surface of the pressing plate 503 and the elevator track is maximized, so that the friction force of the device is increased, and the moving speed of the elevator is reduced.
The bottom of gomphosis pipe 702 is installed buffer beam 704, and bottom plate 705 is installed to the bottom of buffer beam 704, and the user passes through the bolt fastening with bottom plate 705 subaerial, guarantees buffer beam 704's stability, and when the elevator moved to the bottommost, through the buffer power of buffer beam 704, supports the elevator, and infrared reflector 703 and infrared ray head 701 are separated to gomphosis pipe 702 simultaneously, avoid infrared reflector 703 and infrared ray head 701 to extrude the condition that takes place to damage each other.
The working steps of the device are as follows:
s1. firstly, the user fixes the bottom plate 705 on the ground by bolts, so as to ensure the stability of the buffer rod 704, then the shell 1 is arranged at the bottom of the elevator cage, and then the mounting plate 104 is fixed at the bottom of the elevator cage through bolts, so that the mounting plate 104 is convenient to fix the shell 1, the stability of the shell 1 is ensured, a user can conveniently mount the device, when a user fixes the device, the wear-resistant clamping plate 101 and the clamping groove 102 are sleeved on the outer side of the elevator track, meanwhile, the support 202 is jacked up by the strong spring 201, the support 202 is convenient to support the rotating rod 203 at the inner side, the rotating rod 203 is convenient to support the roller 204, the stability of the roller 204 is ensured, one side of the roller 204 is jacked at the outer side of the elevator track by the strong spring 201, the roller 204 is tightly attached to the outer wall of the elevator track, and the shell 1 is driven to move up and down when the elevator cage vertically moves up and down;
s2, simultaneously driving the clamping groove 102 to move on the outer side of the elevator track, enabling the roller 204 to rotate on the outer wall of the elevator track, enabling the roller 204 to rotate to drive the sensing piece 205 to rotate, enabling the sensing piece 205 to rotate on the outer side of the roller 204, enabling the sensing piece 205 to pass through the speed measurer 206 after rotating for one circle, when the elevator cage is in an overspeed state, the rotating speed of the roller 204 is accelerated, the current speed of the elevator can be calculated through five times of the time that the sensing piece 205 passes through the speed measurer 206, when the elevator is sensed to be in the overspeed state, the speed measurer 206 transmits information to the controller 6, the controller 6 controls the push rod 502 to extend, the distance between two ends of the push rod 502 is lengthened, meanwhile, the angle between the first movable rod 5 and the second movable rod 501 is enlarged, and the extrusion plate 503 at one end of the second movable rod 501 is driven to move towards the outer wall of the elevator track, the extrusion plate 503 is connected with the second movable rod 501 through the bolt, so that the angle can be conveniently adjusted, the extrusion plate 503 is supported through the second movable rod 501 with the same structure, the extrusion plate 503 and the elevator track are always kept in a parallel state, and the contact area between the wear-resistant layer 504 on one surface of the extrusion plate 503 and the elevator track is the maximum value, so that the friction force of the device is increased, and the device is used for reducing the moving speed of the elevator;
s3, detecting the moving speed of the elevator through a speed detector 206, when the moving speed of the elevator is still dangerous, pumping hydraulic oil in a hydraulic tank 3 out by a hydraulic machine 303, then conveying the hydraulic oil to the inside of an oil conveying pipe 304, conveying the hydraulic oil to the inside of an output part 305 through the oil conveying pipe 304, conveying the hydraulic oil to the inside of an output pipe 306 through the output part 305, conveying the hydraulic oil to the inside of a liquid guide pipe 405 through the output pipe 306, conveying the hydraulic oil to the inside of a hydraulic movable cavity 401 through the liquid guide pipe 405, continuously supplementing the hydraulic oil in the hydraulic movable cavity 401, pressurizing the inside of the hydraulic movable cavity 401, extending a piston 403 out of the inner side of a hydraulic cylinder 4, moving the piston 403 to drive a non-slip mat 404 to move towards the direction of a slide rail of the elevator, fixing the shell 1 through the non-slip mat 404, and fixing a moving elevator fixing column, preventing the elevator from continuing to move;
s4, the controller 6 stores the attention and psychological voice content during accidents, the controller 6 automatically transmits information to the loudspeaker 602 through the transmission line 601 during accidents, when the loudspeaker 602 causes the elevator to have accidents, passengers in the elevator are guided to take correct and effective self-rescue actions through voice playing, the feeling of confusion of the passengers can be reduced through conversation communication, and the situation that the passengers are in danger due to over-tension and wrong measures can be implemented by the passengers is avoided.
The working principle is as follows: firstly, a user fixes a bottom plate 705 on the ground through bolts to ensure the stability of a buffer rod 704, then installs a shell 1 at the bottom of an elevator cage, then fixes a mounting plate 104 at the bottom of the elevator cage through bolts to facilitate the mounting plate 104 to fix the shell 1, ensure the stability of the shell 1, facilitate the user to install the device, when the user fixes the device, the wear-resistant clamping plate 101 and the clamping groove 102 are sleeved at the outer side of an elevator track, simultaneously, the supporting seat 202 is jacked up through a strong spring 201 to facilitate the supporting seat 202 to support a rotating rod 203 at the inner side, the rotating rod 203 is convenient to support a roller 204 to ensure the stability of the roller 204, one side of the roller 204 is jacked at the outer side of the elevator track by the strong spring 201 to enable the roller 204 to be tightly attached to the outer wall of the elevator track, when the elevator cage, meanwhile, the clamping groove 102 is driven to move on the outer side of the elevator track, the roller 204 rotates on the outer wall of the elevator track, the roller 204 rotates to drive the sensing piece 205 to rotate, the sensing piece 205 rotates on the outer side of the roller 204, the sensing piece 205 passes through the speed measurer 206 after rotating for one circle, when the elevator cage is overspeed, the rotating speed of the roller 204 is accelerated, the current speed of the elevator can be calculated by the time that the sensing piece 205 passes through the speed measurer 206 for five times, when the elevator is overspeed is sensed, the speed measurer 206 transmits information to the controller 6, the controller 6 controls the push rod 502 to extend, the distance between two ends of the push rod 502 is lengthened, the angle between the first movable rod 5 and the second movable rod 501 is expanded, and the extrusion plate 503 at one end of the second movable rod 501 is driven to move towards the outer wall of the elevator track, because the extrusion plate 503 is connected with the second movable rod 501 through a bolt, the angle is convenient to adjust, the extrusion plate 503 is supported through the second movable rod 501 with the same structure, so that the extrusion plate 503 and the elevator track are always kept in a parallel state, the contact area between the wear-resistant layer 504 on one surface of the extrusion plate 503 and the elevator track is the maximum value, the friction force of the device is increased, the movement speed of the elevator is reduced, the movement speed of the elevator is detected through the velometer 206, when the movement speed of the elevator is still dangerous, the hydraulic machine 303 operates to pump out the hydraulic oil in the hydraulic tank 3 and then convey the hydraulic oil to the inside of the oil conveying pipe 304, the hydraulic oil is conveyed to the inside of the output member 305 through the output member 305, the hydraulic oil is conveyed to the inside of the output pipe 306 through the output pipe 306 and then conveyed to the inside of the liquid guide pipe 405 through the output, hydraulic oil is conveyed to the inside of the hydraulic movable cavity 401 through a liquid guide pipe 405, the hydraulic oil is continuously supplemented in the hydraulic movable cavity 401, the inside of the hydraulic movable cavity 401 is pressurized, the piston 403 extends out of the inner side of the hydraulic cylinder 4, the piston 403 moves to drive the anti-skid pad 404 to move towards the direction of an elevator sliding rail, the shell 1 is fixed through the anti-skid pad 404 and used for fixing a moving elevator fixing column to prevent the elevator from moving continuously, the controller 6 stores the attention and psychological guidance voice content when an accident happens, the controller 6 automatically transmits information to the loudspeaker 602 through the transmission line 601 when the accident happens to the elevator, the loudspeaker 602 guides passengers in the elevator to take correct and effective self-rescue behaviors through voice playing when the accident happens to the elevator, the feeling of confusion of the passengers can be reduced through conversation communication, and the passengers are prevented from being over nervous, implementing a wrong action creates a dangerous situation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a perpendicular large-tonnage safety tongs for elevator, includes shell (1), hydraulic cylinder (4) and first movable rod (5), its characterized in that: the hydraulic pressure measuring device is characterized in that a clamping groove (102) is installed at the bottom of the front face of the shell (1) in a penetrating mode, a distance measuring instrument (7) is installed at the bottom of the shell (1), the distance measuring instrument (7) is located on two sides of the clamping groove (102), a hydraulic pressure box (3) is installed at the bottom of the inner side of the shell (1), two groups of bearing seats (103) are symmetrically installed on two sides of the inner wall of the shell (1), a first movable rod (5) is connected to the inner side of each bearing seat (103) through a bolt, a hydraulic pressure cylinder (4) is installed on the inner wall of the shell (1) and located above the first movable rod (5), a controller (6) is installed on the inner wall of the top of the shell (1), a storage battery (8) is installed on the inner wall of the top of the shell (1);
infrared ray head (701) is installed to the bottom of distancer (7), gomphosis of the bottom of distancer (7) is installed and is managed (702), and gomphosis pipe (702) are located the outside of infrared ray head (701), infrared reflector (703) are installed to the diapire inboard of gomphosis pipe (702).
2. The large-tonnage safety tongs for vertical elevators according to claim 1, characterized in that: the fixed boxes (2) are symmetrically installed on two sides of the clamping groove (102), the wear-resistant clamping plate (101) is installed on the top of the front face of the shell (1) in a penetrating mode, the mounting plate (104) is welded to the tops of the outer walls of the two sides of the shell (1), the fixing screws (105) are installed on the inner side of the mounting plate (104) in a penetrating mode, and the splicing plate (106) is installed on the front face of the shell (1) through bolts.
3. The large-tonnage safety tongs for vertical elevators according to claim 2, characterized in that: the inner wall of the fixed box (2) is welded with a strong spring (201), one end of the strong spring (201) is provided with a supporting seat (202), the inner side of the supporting seat (202) is provided with a rotating rod (203), the outer surface of the rotating rod (203) is provided with a roller (204), one side of the outer wall of the roller (204) is provided with a sensing part (205), and the inner side top wall of the fixed box (2) is provided with a velometer (206).
4. The large-tonnage safety tongs for vertical elevators according to claim 1, characterized in that: injection pipe (301) are installed to the rear end of hydraulic pressure case (3), and closing cap (302) are installed through the screw thread to the rear end of injection pipe (301), and hydraulic press (303) are installed at the top of hydraulic pressure case (3), and defeated oil pipe (304) are installed to the output of hydraulic press (303), and output piece (305) are installed to the one end of defeated oil pipe (304), and output piece (305) are installed at the top of hydraulic pressure case (3), and output tube (306) are installed to the front end of output piece (305).
5. The large-tonnage safety tongs for vertical elevators according to claim 1, characterized in that: hydraulic pressure activity chamber (401) have been seted up to the inboard of hydraulic pressure cylinder (4), piston (403) are installed in running through to hydraulic pressure activity chamber (401) inboard, slipmat (404) are installed to the extrusion end of piston (403), reset spring (402) are installed to the one end of piston (403), reset spring (402) are installed on the inner wall of hydraulic pressure activity chamber (401), catheter (405) have been seted up to the inboard of hydraulic pressure cylinder (4), catheter (405) are connected with one side of hydraulic pressure activity chamber (401), the rear end and output tube (306) fixed connection of catheter (405).
6. The large-tonnage safety tongs for vertical elevators according to claim 1, characterized in that: the one end of first movable rod (5) has second movable rod (501) through bolted connection, and one side of first movable rod (5) is connected with catch bar (502) through the connecting piece, and catch bar (502) one end is installed on the outer wall of second movable rod (501) through the connecting piece, and bolted connection has stripper plate (503) through bolted connection in the one end that first movable rod (5) were kept away from in second movable rod (501), and wearing layer (504) are installed to the opposite face of stripper plate (503).
7. The large-tonnage safety tongs for vertical elevators according to claim 1, characterized in that: transmission line (601) are installed to the top of controller (6), and transmission line (601) run through the roof of shell (1), and speaker (602) are installed on the top of transmission line (601).
8. The large-tonnage safety tongs for vertical elevators according to claim 1, characterized in that: a buffer rod (704) is installed at the bottom of the embedded pipe (702), and a bottom plate (705) is installed at the bottom of the buffer rod (704).
9. A large tonnage safety gear for vertical elevators according to any of claims 1-8, characterized by the following working steps:
s1, firstly, a bottom plate (705) is fixed on the ground through a bolt by a user, the stability of a buffer rod (704) is ensured, then a shell (1) is installed at the bottom of an elevator cage, then an installation plate (104) is fixed at the bottom of the elevator cage through a bolt, the shell (1) is convenient to fix through the installation plate (104), the stability of the shell (1) is ensured, the device is convenient to install by the user, when the device is fixed by the user, a wear-resistant clamping plate (101) and a clamping groove (102) are sleeved at the outer side of an elevator track, meanwhile, a supporting seat (202) is jacked up through a strong spring (201), the rotating rod (203) at the inner side is convenient to support through the supporting seat (202), the roller (204) is convenient to support through the rotating rod (203), the stability of the roller (204) is ensured, one side of the roller (204) is jacked, the roller (204) is tightly attached to the outer wall of the elevator track, and the shell (1) is driven to move up and down when the elevator cage vertically moves up and down;
s2, the clamping groove (102) is driven to move on the outer side of the elevator track at the same time, the roller (204) rotates on the outer wall of the elevator track, the roller (204) rotates to drive the sensing piece (205) to rotate, the sensing piece (205) rotates on the outer side of the roller (204), the sensing piece (205) passes through the speed measurer (206) after rotating for one circle, when the elevator cage is overspeed, the rotating speed of the roller (204) is accelerated, the current speed of the elevator can be calculated by the time that the sensing piece (205) passes through the speed measurer (206) for five times, when the elevator is overspeed is sensed, the speed measurer (206) transmits information to the controller (6), the controller (6) controls the push rod (502) to extend, the distance between two ends of the push rod (502) is lengthened by the extension of the push rod (502), and simultaneously drives the angle between the first movable rod (5) and the second movable rod (501) to be enlarged, the extrusion plate (503) used for driving one end of the second movable rod (501) moves towards the outer wall of the elevator track, the extrusion plate (503) is connected with the second movable rod (501) through a bolt, so that the angle can be conveniently adjusted, the extrusion plate (503) is supported through the second movable rods (501) with the same structures, the extrusion plate (503) and the elevator track are always kept in a parallel state, the contact area between the wear-resistant layer (504) on one surface of the extrusion plate (503) and the elevator track is the maximum value, and therefore the friction force of the device is increased, and the device is used for reducing the moving speed of the elevator;
s3, detecting the moving speed of the elevator through a speed detector (206), when the moving speed of the elevator is still dangerous, pumping out hydraulic oil in a hydraulic tank (3) by a hydraulic machine (303), conveying the hydraulic oil to the inside of an oil conveying pipe (304), conveying the hydraulic oil to the inside of an output part (305) through the oil conveying pipe (304), conveying the hydraulic oil to the inside of an output pipe (306) through the output part (305), conveying the hydraulic oil to the inside of a liquid guide pipe (405) through the output pipe (306), conveying the hydraulic oil to the inside of a hydraulic movable cavity (401) through the liquid guide pipe (405), continuously supplementing the hydraulic oil in the hydraulic movable cavity (401), pressurizing the inside of the hydraulic movable cavity (401), enabling a piston (403) to extend out of the inner side of a hydraulic cylinder (4), and enabling the piston (403) to move to drive a non-slip mat (404) to move towards the direction of an elevator sliding rail, the anti-slip device is used for fixing the shell (1) through the anti-slip mat (404) and fixing the moving elevator to a column to prevent the elevator from moving continuously;
s4, the controller (6) stores the attention and psychological voice content during accidents, the controller (6) automatically transmits information to the loudspeaker (602) through the transmission line (601) during accidents, when the elevator is in accidents, the loudspeaker (602) guides passengers in the elevator to take correct and effective self-rescue actions through voice playing, the feeling of confusion in the passengers can be reduced through conversation communication, and the situation that the passengers are in danger due to self over-tension and wrong measures is implemented is avoided.
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CN114135606A (en) * | 2021-11-28 | 2022-03-04 | 江苏畅动新能源科技有限公司 | Brake with automatic displacement compensation structure |
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