CN116281470A - Elevator limit switch and use method - Google Patents
Elevator limit switch and use method Download PDFInfo
- Publication number
- CN116281470A CN116281470A CN202310199570.7A CN202310199570A CN116281470A CN 116281470 A CN116281470 A CN 116281470A CN 202310199570 A CN202310199570 A CN 202310199570A CN 116281470 A CN116281470 A CN 116281470A
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- China
- Prior art keywords
- limit switch
- elevator limit
- elevator
- connecting plate
- switch body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/461—Adaptations of switches or switchgear characterised by their shape or profile
- B66B1/465—Adaptations of switches or switchgear characterised by their shape or profile being resistant to damage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/461—Adaptations of switches or switchgear characterised by their shape or profile
- B66B1/466—Adaptations of switches or switchgear characterised by their shape or profile facilitating maintenance, installation, removal, replacement or repair
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Abstract
The invention discloses an elevator limit switch, which comprises an elevator limit switch body, wherein a rotating shaft is movably arranged in the elevator limit switch body, a first connecting plate is arranged on one side of the rotating shaft, a mounting groove is formed in the top of the first connecting plate, a first reset spring is arranged on the top of the first connecting plate through the mounting groove, the top end of the first reset spring is fixed on the inner wall of the top of the elevator limit switch body, a second connecting plate is arranged on the other side of the rotating shaft, a symmetrical thread at the top of the second connecting plate penetrates through the second connecting plate to be provided with a fixed threaded rod, and a second reset spring is arranged at the bottom of the second connecting plate through the fixed threaded rod. According to the elevator limit switch body, the first reset spring and the second reset spring are stretched to generate reverse elastic potential energy, so that the elevator limit switch body can stably and rapidly rebound to the original position under the action of no pressure, and the connection spring is prevented from being damaged, so that the rebound of the elevator limit switch body is influenced.
Description
Technical Field
The invention relates to the technical field of elevator limit switches, in particular to an elevator limit switch and a use method thereof.
Background
The elevator includes one vertical elevator as one kind of vertical transport equipment for transporting pedestrians and cargo, one elevator with one elevator cabin, at least two vertical or inclined rigid rails below 15 deg for passengers to go in and out, one fast elevator with speed lower than 4 m/s, one fast elevator with speed lower than 12 m/s and speed higher than 12 m/s, one traction rope with two ends connected to the elevator cabin and the counterweight, one traction motor to drive the traction wheel to rotate via the speed reducer, one traction wheel to produce traction force to realize the elevating motion of the elevator cabin and the counterweight, and one limit switch with contact and non-contact compared to the limit switch to limit the motion limit position of the mechanical equipment.
The existing elevator limit switch has the following defects:
1. patent document CN213707405U discloses an elevator limit switch, "including elevator limit switch body, be equipped with the switch base plate on the elevator limit switch body, the top of switch base plate is equipped with the switch support, fixed connection between switch support and the switch base plate of bottom, the top central authorities of switch support are equipped with the lug, the bottom front and back symmetry of lug is equipped with the connection slotted hole, the bilateral symmetry of switch support is equipped with the connecting axle installing support, be equipped with annular bearing on the connecting axle installing support, the gyro wheel swing arm passes through the bearing and installs on the switch support, the one end of gyro wheel swing arm is equipped with the spring bolt, the other end of gyro wheel swing arm is equipped with the gyro wheel, the top and the below of elevator limit switch body one side are equipped with the top limit support respectively, the bottom limit support, thereby limit the stroke to the switch, this switch reasonable in design, small, but this elevator limit switch is being used, because there is not installation reset spring, if the spring for the resilience appears the problem, can influence the use of this limit switch.
2. Patent document CN216250440U discloses a limit switch of elevator with long service life, "including the installation shell, be equipped with the installation lid on the installation shell, form the installation cavity between installation shell and the installation lid, be equipped with the movable contact subassembly and the static contact subassembly that mutually overlap joint cooperation was used in the installation cavity, the movable contact subassembly includes the moving plate, the moving contact, the moving plate frame, the bolt, first spring and spring cap, the moving plate is located on the moving plate frame, the one end of moving plate is located to the moving contact, the protruding down is established to the other end of moving plate indent, be equipped with the recess with protruding adaptation down on the moving plate frame, the bolt passes the moving plate frame in proper order, the moving plate, first spring and spring cap, the tip of bolt is equipped with carries out spacing flanging to the spring cap, be equipped with the semi-closed frame that carries out spacing to the moving plate on the moving plate frame, the static contact subassembly includes static plate and static contact, the tip of static plate is the arc setting, the static contact installs the tip at the static plate, it is ingenious to reach the structure, self-resilience is good, long service life' but install the protection structure to the spring for rebound in this limit switch, the spring is influenced by outside easily.
3. Patent document CN212050025U discloses an elevator limit switch, "including waterproof shell and foam board, waterproof shell's upper end is provided with the buckler, and waterproof shell's inside is provided with the spring case, the inside of spring case is provided with the second spring, and the upper end of spring case is provided with the recess, the foam board sets up in the inside of recess, and the inside of foam board is provided with the casing, the inside of casing is provided with first spring, and the outside of first spring is provided with the support, the upper end of first spring is connected with the sheetmetal, and is provided with the briquetting in the middle of the upper end of sheetmetal, the upper end of briquetting is connected with touches the head, and the outside of briquetting is provided with metal contact, metal contact's upper end is connected with magnet, and the upper end of magnet is connected with the external line, the other end of external connection is connected with waterproof pad. This elevator limit switch is provided with the buckler, touches the buckler that the head top set up, avoids limit switch infiltration to cause limit switch malfunctioning hidden danger "but this limit switch is when using, does not install the positioner to inside movable structure, if receive and rock and can lead to the contact.
3. Patent document CN215592271U discloses a high reliability elevator limit switch, "including elevator limit switch body, limit switch fixed establishment, limit monitoring management and control mechanism, limit switch alarm mechanism, abnormal signal trigger mechanism, elevator limit switch body one end side is provided with limit switch fixed establishment, limit switch fixed establishment inboard is provided with limit monitoring management and control mechanism, limit monitoring management and control mechanism one end side is provided with limit switch alarm mechanism, limit monitoring management and control mechanism other end side is provided with abnormal signal trigger mechanism, this device simple structure, the installation operation is convenient to use, can realize quick installation fixedly, supplementary adjustment elevator stop time and stop distance, shorten elevator installation debugging cycle, can monitor elevator limit anomaly information simultaneously, and give relevant personnel with equipment anomaly information first transmission" but this limit switch is all fixed through the bolt, the staff of being inconvenient for dismantle it.
Disclosure of Invention
The invention aims to provide an elevator limit switch and a use method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the elevator limit switch comprises an elevator limit switch body, wherein a rotating shaft is movably arranged in the elevator limit switch body, a first connecting plate is arranged on one side of the rotating shaft, a mounting groove is formed in the top of the first connecting plate, a first reset spring is arranged at the top of the first connecting plate through the mounting groove, and the top end of the first reset spring is fixed on the inner wall of the top of the elevator limit switch body;
the opposite side of axis of rotation is installed the second connecting plate, the top symmetry screw thread of second connecting plate runs through and installs fixed threaded rod, the bottom of second connecting plate is installed the second reset spring through fixed threaded rod.
Preferably, the disassembly groove has been seted up in the outside of elevator limit switch body, and one side of elevator limit switch body is inside to be provided with a plurality of cutting ferrule, and the dismantlement lid is installed through the cutting ferrule to one side of elevator limit switch body, and the inboard of dismantling the lid is provided with a plurality of clamping shafts, and the clamping shaft corresponds with the cutting ferrule, and clamping shaft and cutting ferrule looks block.
Preferably, one side of elevator limit switch body runs through movable mounting and has the connecting axle, and the one end of connecting axle is connected with the one end of axis of rotation, the arc is installed to the other end of connecting axle, the connection piece is installed in the front of arc, one side of arc is provided with the installation axle, the gyro wheel is installed through the installation axle to one side of arc, the top of connection piece runs through and installs the fixed connection spare, connecting spring is installed to the bottom of connection piece, and connecting spring's bottom is connected with elevator limit switch body's top, the bottom of connection piece is provided with the mounting disc, the ripple lag is installed to the bottom of going up the mounting disc, and the ripple lag is located connecting spring's outside, the mounting disc is installed down to the bottom of ripple lag, and the mounting disc is connected with elevator limit switch body's top down.
Preferably, the internally mounted of elevator limit switch body has first mounting panel, and the top of first mounting panel is provided with the controller, and the internally mounted of elevator limit switch body has the second mounting panel, and the second mounting panel is located the below of first mounting panel, and first stationary contact is installed to the bottom of second mounting panel, and first conducting strip is installed to the top link of first stationary contact, and the one end of first conducting strip is connected with the link of controller, installs the installation shell on the bottom inner wall of elevator limit switch body, and the inside of installation shell is connected with the bottom of second reset spring.
Preferably, the first moving contact is installed to the one end of first connecting plate, and the constant head tank has been seted up to the bottom of second connecting plate, and the inside of constant head tank is provided with the arc magnetic sheet, and the connecting rod is installed to one side of second connecting plate, and the second moving contact is installed to the one end of connecting rod, and the second moving contact is located the below of first stationary contact.
Preferably, a supporting rod is arranged on the inner wall of the bottom of the elevator limit switch body, a fixing rod is arranged at the top end of the supporting rod, a positioning ball is arranged at the top end of the fixing rod, the positioning ball corresponds to the positioning groove, an iron sheet wrapping layer is arranged on the outer side of the positioning ball, and the iron sheet wrapping layer is in magnetic attraction contact with the arc-shaped magnetic sheet.
Preferably, the bottom inner wall of the elevator limit switch body is provided with a mounting seat, the top of the mounting seat is provided with a second fixed contact, the second fixed contact is located below the first moving contact, the connecting end of the second fixed contact is provided with a second conducting strip, and one end of the second conducting strip is connected with the connecting end of the controller.
Preferably, the using method of the elevator limit switch is as follows:
s1, firstly, an elevator limit switch is used for the elevator, and the elevator limit switch is arranged at a position required to be used, so that the elevator can touch a roller when running to the top or the bottom;
s2, as one side of the roller is installed with the connecting spring through the arc-shaped plate, the connecting piece and the fixed connecting piece, when the roller is collided, the arc-shaped plate and the connecting piece drive the connecting shaft to rotate, and the connecting spring is compressed;
s3, the connecting shaft rotates to drive the rotating shaft installed at one end to rotate, so that the first connecting plate and the second connecting plate installed through the rotating shaft inside the elevator limit switch body rotate, and the first moving contact and the second moving contact installed through the first connecting plate and the second connecting plate move to be respectively contacted with the second fixed contact and the first fixed contact, thereby changing a control circuit, and the elevator stops running or changes running.
Preferably, the step S1 further includes the following steps:
s11, a disassembly cover arranged on one side of the elevator limit switch is not fixed through a bolt, when the disassembly cover is installed, a clamping shaft arranged on the inner side of the disassembly cover enters into a clamping sleeve, a clamping groove formed in the outer side of the clamping shaft is clamped with a clamping block in the clamping sleeve, so that the disassembly cover is fixed, a worker can conveniently disassemble the elevator limit switch body in a fixed mode, and when the elevator limit switch body is disassembled, the disassembly cover can be pushed open by a tool through the disassembly groove, and only the clamping shaft is pushed out of the clamping sleeve, so that the elevator limit switch body is convenient to disassemble, and the disassembly time is saved;
the step S2 further comprises the following steps:
s21, when the connecting spring is used, the connecting spring can be protected by the ripple protective sleeve, the ripple protective sleeve is arranged on the outer side of the connecting spring through the lower mounting disc and the upper mounting disc, and the connecting spring can be well protected;
the step S3 further comprises the following steps:
s31, in order to ensure that the elevator limit switch body can rebound stably under the action of external force, a first reset spring and a second reset spring are respectively arranged at the top of the first connecting plate and the bottom of the second connecting plate, and when the first connecting plate and the second connecting plate move, the first reset spring and the second reset spring are stretched to generate reverse elastic potential energy, so that the elevator limit switch body can rebound to the original position stably and rapidly under the action of no pressure, and the connecting springs are prevented from being damaged, thereby influencing the rebound of the elevator limit switch body.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the elevator limit switch, the first reset spring and the second reset spring are arranged at the top of the first connecting plate and the bottom of the second connecting plate, when the first connecting plate and the second connecting plate are moved, the first reset spring and the second reset spring are stretched to generate reverse elastic potential energy, so that the elevator limit switch body can rebound to the original position stably and rapidly under the action of no pressure, the connecting springs are prevented from being damaged, the rebound of the elevator limit switch body is influenced, the stability of the limit switch is ensured, and the problem in use is avoided.
2. According to the elevator limit switch, the corrugated protective sleeve is arranged on the outer side of the connecting spring through the upper mounting disc and the lower mounting disc, and can stretch and retract up and down, so that the corrugated protective sleeve can also stretch and retract along with the connecting piece when the connecting piece drives the connecting spring to stretch and retract, and the connecting spring can be prevented from being influenced by dust, sundries or liquid, so that the using effect of the elevator limit switch is prevented from being influenced.
3. According to the elevator limit switch, the arc-shaped magnetic sheets are arranged at the bottom of the second connecting plate through the locating grooves, when the second connecting plate returns to the original position, the locating balls can enter the locating grooves, and the iron sheet wrapping layers are adsorbed with the arc-shaped magnetic sheets, so that the locating balls are more stable in the locating grooves, and the elevator limit switch is more stable in use, and collision between contacts caused by shaking is avoided.
4. According to the elevator limit switch body, the disassembly cover is arranged on one side of the elevator limit switch body, the clamping shaft arranged on the inner side of the disassembly cover enters the clamping sleeve, the clamping groove formed in the outer side of the clamping shaft is clamped with the clamping block in the clamping sleeve, so that the disassembly cover is fixed, the fixing mode is convenient for workers to disassemble the elevator limit switch body, and when the elevator limit switch body is disassembled, the disassembly cover can be pushed open by a tool through the disassembly groove, and only the clamping shaft is required to be pushed out of the clamping sleeve, so that the elevator limit switch body is convenient to disassemble.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of an arcuate plate structure of the present invention;
FIG. 4 is a schematic view of a connecting spring structure according to the present invention;
FIG. 5 is a schematic view of a removable cover according to the present invention;
FIG. 6 is a schematic view of a second connecting plate structure according to the present invention;
FIG. 7 is a schematic view of the structure at A of the present invention;
fig. 8 is a schematic view of the structure of the positioning ball according to the present invention.
In the figure: 1. an elevator limit switch body; 2. a dismantling groove; 3. a connecting shaft; 4. an arc-shaped plate; 5. a connecting sheet; 6. a mounting shaft; 7. a roller; 8. a lower mounting plate; 9. a corrugated protective sleeve; 10. an upper mounting plate; 11. a connecting spring; 12. fixing the connecting piece; 13. disassembling the cover; 14. a clamping shaft; 15. a cutting sleeve; 16. a first mounting plate; 17. a controller; 18. a second mounting plate; 19. a first stationary contact; 20. a first conductive sheet; 21. a rotating shaft; 22. a first connection plate; 23. a mounting groove; 24. a first return spring; 25. a first moving contact; 26. a mounting base; 27. a second stationary contact; 28. a second connecting plate; 29. a positioning groove; 30. arc-shaped magnetic sheets; 31. a connecting rod; 32. a second moving contact; 33. fixing a threaded rod; 34. a second return spring; 35. a mounting shell; 36. a second conductive sheet; 37. a support rod; 38. a fixed rod; 39. a positioning ball; 40. and an iron sheet wrapping layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the invention will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1, 3, 4, and 5, an embodiment of the present invention is provided: an elevator limit switch;
the elevator limit switch comprises an elevator limit switch body 1, a disassembly cover 13, an arc plate 4, a roller 7 and a ripple protection sleeve 9, wherein a disassembly groove 2 is formed in the outer side of the elevator limit switch body 1, a plurality of clamping sleeves 15 are arranged in one side of the elevator limit switch body 1, the disassembly cover 13 is installed on one side of the elevator limit switch body 1 through the clamping sleeves 15, a plurality of clamping shafts 14 are arranged on the inner side of the disassembly cover 13, the clamping shafts 14 correspond to the clamping sleeves 15, the clamping shafts 14 are clamped with the clamping sleeves 15, one side of the elevator limit switch body 1 penetrates through the connecting shaft 3, one end of the connecting shaft 3 is connected with one end of a rotating shaft 21, the other end of the connecting shaft 3 is provided with the arc plate 4, the front surface of the arc plate 4 is provided with a connecting plate 5, one side of the arc plate 4 is provided with a mounting shaft 6, one side of the arc plate 4 is provided with the roller 7 through the mounting shaft 6, a fixed connecting piece 12 is penetrated and installed at the top of the connecting plate 5, a connecting spring 11 is installed at the bottom of the connecting plate 5, the bottom of the connecting spring 11 is connected with the top of the elevator limit switch body 1, an upper mounting plate 10 is arranged at the bottom of the connecting plate 5, the connecting plate 10 is clamped with the clamping sleeve 15, one side of the connecting plate penetrates through the connecting plate 3 is movably and is connected with the connecting plate 9 under the connecting plate 3 through the connecting plate 11, the connecting plate 3, the connecting plate 4 is compressed by the connecting plate 11, the connecting plate 4 is connected with the connecting plate 11 through the connecting plate 11, and is compressed by the roller 11, and then the roller 11 is connected with the connecting plate 3 through the connecting plate 11, and is compressed to the connecting plate 3, and then the connecting plate 3 is connected with the connecting plate 3 through the connecting plate 11 through the roller 7, which is connected with the roller 11 when the roller 1 and can be compressed plate 3, which is connected to be compressed plate 1, for the power that this elevator limit switch body 1 kick-backed, connecting axle 3 rotates through rotating, can drive axis of rotation 21, dismantle lid 13 makes the inside that enters into cutting ferrule 15 through clamping axle 14, make to dismantle lid 13 fix one side at elevator limit switch body 1, thereby make one side of this elevator limit switch body 1 can be opened, make the staff maintain inner structure, bronze drum European tear-open groove 2 provides the space of removal for the staff, the staff of being convenient for will dismantle lid 13 dismantles, make this elevator limit switch body 1 dismantle more convenient, in order to reduce connecting spring 11 and receive the factor of environment to influence the use, install ripple lag 9 through last mounting disc 10 and lower mounting disc 8 in the outside of connecting spring 11, ripple lag 9 can protect connecting spring 11, can prevent connecting spring 11 from receiving the influence of dust debris or liquid, and influence result of use.
Referring to fig. 2, 6, 7 and 8, an embodiment of the present invention is provided: an elevator limit switch;
comprises a first connecting plate 22, a second connecting plate 28, a controller 17 and a supporting rod 37, wherein a rotating shaft 21 is movably arranged in the elevator limit switch body 1, the first connecting plate 22 is arranged on one side of the rotating shaft 21, a mounting groove 23 is formed in the top of the first connecting plate 22, a first return spring 24 is arranged on the top of the first connecting plate 22 through the mounting groove 23, the top end of the first return spring 24 is fixed on the inner wall of the top of the elevator limit switch body 1, the second connecting plate 28 is arranged on the other side of the rotating shaft 21, a fixed threaded rod 33 is symmetrically threaded and penetrated through the top of the second connecting plate 28, a second return spring 34 is arranged at the bottom of the second connecting plate 28 through the fixed threaded rod 33, a first mounting plate 16 is arranged in the elevator limit switch body 1, the controller 17 is arranged at the top of the first mounting plate 16, a second mounting plate 18 is arranged in the elevator limit switch body 1, and the second mounting plate 18 is positioned below the first mounting plate 16, the first static contact 19 is mounted at the bottom of the second mounting plate 18, the first conductive sheet 20 is mounted at the top connecting end of the first static contact 19, one end of the first conductive sheet 20 is connected with the connecting end of the controller 17, the mounting shell 35 is mounted on the inner wall of the bottom of the elevator limit switch body 1, the inside of the mounting shell 35 is connected with the bottom end of the second return spring 34, the first movable contact 25 is mounted at one end of the first connecting plate 22, the positioning groove 29 is provided at the bottom of the second connecting plate 28, the arc-shaped magnetic sheet 30 is arranged in the positioning groove 29, the connecting rod 31 is mounted at one side of the second connecting plate 28, the second movable contact 32 is mounted at one end of the connecting rod 31, the second movable contact 32 is positioned below the first static contact 19, the supporting rod 37 is mounted on the inner wall of the bottom of the elevator limit switch body 1, the top of the supporting rod 37 is provided with a fixing rod 38, the top of the fixing rod 38 is provided with a positioning ball 39, the positioning ball 39 corresponds to the positioning groove 29, the outer side of the positioning ball 39 is provided with an iron sheet wrapping layer 40, the iron sheet wrapping layer 40 is in magnetic attraction contact with the arc-shaped magnetic sheet 30, the inner wall of the bottom of the elevator limit switch body 1 is provided with a mounting seat 26, the top of the mounting seat 26 is provided with a second fixed contact 27, the second fixed contact 27 is positioned below the first movable contact 25, the connecting end of the second fixed contact 27 is provided with a second conductive sheet 36, one end of the second conductive sheet 36 is connected with the connecting end of the controller 17, the rotating shaft 21 is driven by the connecting shaft 3 to rotate, so that the first connecting plate 22 and the second connecting plate 28 are enabled to move, and when the elevator limit switch body 1 is in movement, the first movable contact 25 and the second movable contact 32 at the two ends are driven, the first moving contact 25 and the second moving contact 32 are respectively contacted with the second fixed contact 27 and the first fixed contact 19, the first reset spring 24 is arranged at the top of the first connecting plate 22 through the mounting groove 23, the second reset spring 34 is arranged at the bottom of the second connecting plate 28 through the fixed threaded rod 33, when the first connecting plate 22 and the second connecting plate 28 move, the first reset spring 24 and the second reset spring 34 are stretched to generate reverse elastic potential energy, the elevator limit switch body 1 can stably and rapidly rebound to the original position under the action of no pressure, the connecting spring 11 is prevented from being damaged, the rebound of the elevator limit switch body 1 is influenced, in order to ensure the stability of the first connecting plate 22 and the second connecting plate 28, the arc-shaped magnetic sheet 30 is arranged at the bottom of the second connecting plate 28 through the positioning groove 29, when the second connecting plate 28 returns to the original position, the positioning ball 39 can enter the positioning groove 29, and the iron sheet wrapping layer 40 is adsorbed with the arc-shaped magnetic sheet 30, so that the positioning ball 39 is more stable in the positioning groove 29, and the elevator limit switch is more stable in use, and collision between contacts caused by shaking is avoided.
Further, the using method of the elevator limit switch is as follows:
s, firstly, the elevator limit switch is used for an elevator, and is arranged at a position required to be used, so that the elevator can touch the roller 7 when running to the top or the bottom;
s, as one side of the roller 7 is installed with the connecting spring 11 through the arc-shaped plate 4, the connecting piece 5 and the fixed connecting piece 12, when the roller 7 is collided, the arc-shaped plate 4 and the connecting piece 5 drive the connecting shaft 3 to rotate, and the connecting spring 11 is compressed;
s, the connecting shaft 3 rotates to drive the rotating shaft 21 installed at one end to rotate, so that the first connecting plate 22 and the second connecting plate 28 installed inside the elevator limit switch body 1 through the rotating shaft 21 rotate, the first moving contact 25 and the second moving contact 32 installed through the first connecting plate 22 and the second connecting plate 28 move and respectively contact with the second fixed contact 27 and the first fixed contact 19, a control circuit is changed, and the elevator stops running or changes running.
Further, the step of S further comprises the following steps:
s, the disassembly cover 13 arranged on one side of the elevator limit switch is not fixed through bolts, when the disassembly cover 13 is installed, the clamping shaft 14 arranged on the inner side of the disassembly cover 13 enters the clamping sleeve 15, the clamping groove formed in the outer side of the clamping shaft 14 is clamped with the clamping block in the clamping sleeve 15, so that the disassembly cover 13 is fixed, the fixing mode is convenient for a worker to disassemble the elevator limit switch body 1, and when the elevator limit switch body is disassembled, the disassembly cover 13 can be pushed open through the disassembly groove 2 by using a tool, and only the clamping shaft 14 is required to be pushed out of the clamping sleeve 15, so that the elevator limit switch body 1 is convenient to disassemble, and the disassembly time is saved;
the S also comprises the following steps:
s, when the connecting spring 11 is used, the connecting spring 11 can be protected by the ripple protective sleeve 9, the ripple protective sleeve 9 is arranged on the outer side of the connecting spring 11 through the lower mounting disc 8 and the upper mounting disc 10, and the connecting spring 11 can be well protected, because the ripple protective sleeve 9 can stretch and deform up and down, when the connecting sheet 5 drives the connecting spring 11 to stretch, the ripple protective sleeve 9 can also stretch and retract along with the connecting spring 11, and the connecting spring 11 can be prevented from being influenced by dust, sundries or liquid, so that the using effect is influenced;
the S also comprises the following steps:
s, in order to ensure that the elevator limit switch body 1 can rebound stably under the action of external force, the first reset spring 24 and the second reset spring 34 are respectively arranged at the top of the first connecting plate 22 and the bottom of the second connecting plate 28, and when the first connecting plate 22 and the second connecting plate 28 move, the first reset spring 24 and the second reset spring 34 are stretched to generate reverse elastic potential energy, so that the elevator limit switch body 1 can rebound stably and rapidly to the original position under the action of no pressure, the connecting springs 11 are prevented from being damaged, and the rebound of the elevator limit switch body 1 is affected.
Working principle: before using the elevator limit switch, whether the elevator limit switch has the problem of influencing use or not should be checked firstly, the elevator limit switch is installed at a position where the elevator needs to be used, the elevator can contact with the roller 7 during operation, the connecting shaft 3 is driven to rotate through the arc plate 4, then the rotating shaft 21 is driven to rotate, the first connecting plate 22 and the second connecting plate 28 which are installed on the outer side are used for connecting contacts when the rotating shaft 21 rotates, and therefore a circuit is controlled, the circuit is controlled through the controller 17, the first conducting plate 20 and the second conducting plate 36 play a role of connecting the circuit, and when the elevator is not contacted with the roller 7 any more, the limit switch is enabled to return to the original position under the action of the reset spring and the connecting spring 11.
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 characteristics 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.
Claims (9)
1. Elevator limit switch, including elevator limit switch body (1), its characterized in that: a rotating shaft (21) is movably arranged in the elevator limit switch body (1), a first connecting plate (22) is arranged on one side of the rotating shaft (21), an installation groove (23) is formed in the top of the first connecting plate (22), a first reset spring (24) is arranged at the top of the first connecting plate (22) through the installation groove (23), and the top end of the first reset spring (24) is fixed on the inner wall of the top of the elevator limit switch body (1);
the other side of axis of rotation (21) is installed second connecting plate (28), fixed threaded rod (33) are installed in the top symmetry screw thread penetration of second connecting plate (28), second reset spring (34) are installed through fixed threaded rod (33) in the bottom of second connecting plate (28).
2. An elevator limit switch as defined in claim 1, wherein: the elevator limit switch is characterized in that a disassembly groove (2) is formed in the outer side of the elevator limit switch body (1), a plurality of clamping sleeves (15) are arranged in one side of the elevator limit switch body (1), a disassembly cover (13) is arranged on one side of the elevator limit switch body (1) through the clamping sleeves (15), a plurality of clamping shafts (14) are arranged on the inner side of the disassembly cover (13), the clamping shafts (14) correspond to the clamping sleeves (15), and the clamping shafts (14) are clamped with the clamping sleeves (15).
3. An elevator limit switch as defined in claim 1, wherein: one side of elevator limit switch body (1) runs through movable mounting and is connected with connecting axle (3), and the one end of connecting axle (3) is connected with the one end of axis of rotation (21), arc (4) are installed to the other end of connecting axle (3), connection piece (5) are installed in the front of arc (4), one side of arc (4) is provided with installation axle (6), gyro wheel (7) are installed through installation axle (6) in one side of arc (4), fixed connection spare (12) are installed in the top run-through of connection piece (5), connecting spring (11) are installed in the bottom of connection piece (5), and the bottom of connecting spring (11) is connected with the top of elevator limit switch body (1), the bottom of connection piece (5) is provided with mounting disc (10), ripple lag (9) are installed to the bottom of going up mounting disc (10), and ripple lag (9) are located the outside of connecting spring (11), mounting disc (8) are installed down to the bottom of ripple lag (9), and lower mounting disc (8) are connected with the top of elevator limit switch body (1).
4. An elevator limit switch as defined in claim 1, wherein: the internally mounted of elevator limit switch body (1) has first mounting panel (16), the top of first mounting panel (16) is provided with controller (17), the internally mounted of elevator limit switch body (1) has second mounting panel (18), and second mounting panel (18) are located the below of first mounting panel (16), first stationary contact (19) are installed to the bottom of second mounting panel (18), first conducting strip (20) are installed at the top link of first stationary contact (19), and the one end of first conducting strip (20) is connected with the link of controller (17), install installation shell (35) on the bottom inner wall of elevator limit switch body (1), and the inside of installation shell (35) is connected with the bottom of second reset spring (34).
5. An elevator limit switch as defined in claim 1, wherein: the one end of first connecting plate (22) is installed first moving contact (25), and constant head tank (29) have been seted up to the bottom of second connecting plate (28), and the inside of constant head tank (29) is provided with arc magnetic sheet (30), and connecting rod (31) are installed to one side of second connecting plate (28), and second moving contact (32) are installed to one end of connecting rod (31), and second moving contact (32) are located the below of first stationary contact (19).
6. An elevator limit switch as defined in claim 1, wherein: install bracing piece (37) on the bottom inner wall of elevator limit switch body (1), dead lever (38) are installed on the top of bracing piece (37), and locating ball (39) are installed on the top of dead lever (38), and locating ball (39) are corresponding with constant head tank (29), and iron sheet parcel layer (40) are installed in the outside of locating ball (39), and iron sheet parcel layer (40) and arc magnetic sheet (30) magnetism contact.
7. An elevator limit switch as defined in claim 1, wherein: the elevator limit switch is characterized in that an installation seat (26) is arranged on the inner wall of the bottom of the elevator limit switch body (1), a second fixed contact (27) is arranged at the top of the installation seat (26), the second fixed contact (27) is located below the first moving contact (25), a second conducting strip (36) is arranged at the connecting end of the second fixed contact (27), and one end of the second conducting strip (36) is connected with the connecting end of the controller (17).
8. The use of an elevator limit switch according to any of claims 1-7, characterized in that the use of the elevator limit switch is as follows:
s1, firstly, an elevator limit switch is used for the elevator, and the elevator limit switch is arranged at a position required to be used, so that the elevator can touch a roller (7) when running to the top or the bottom;
s2, as one side of the roller (7) is installed with the connecting spring (11) through the arc-shaped plate (4), the connecting piece (5) and the fixed connecting piece (12), when the roller (7) is collided, the arc-shaped plate (4) and the connecting piece (5) can drive the connecting shaft (3) to rotate, and the connecting spring (11) is compressed;
s3, the connecting shaft (3) rotates to drive the rotating shaft (21) installed at one end to rotate, so that the first connecting plate (22) and the second connecting plate (28) installed through the rotating shaft (21) inside the elevator limit switch body (1) rotate, and the first moving contact (25) and the second moving contact (32) installed through the first connecting plate (22) and the second connecting plate (28) move and respectively contact with the second fixed contact (27) and the first fixed contact (19), thereby changing a control circuit, and the elevator stops running or changes running.
9. The method of claim 8, wherein the step of S1 further comprises the steps of:
s11, a disassembly cover (13) arranged on one side of the elevator limit switch is not fixed through a bolt, when the disassembly cover (13) is installed, a clamping shaft (14) arranged on the inner side of the disassembly cover (13) enters into a clamping sleeve (15), a clamping groove formed in the outer side of the clamping shaft (14) is clamped with a clamping block in the clamping sleeve (15), so that the disassembly cover (13) is fixed, a worker can conveniently disassemble the elevator limit switch body (1), and when the elevator limit switch body is disassembled, the disassembly cover (13) can be jacked up through a disassembly groove (2) by using a tool, and only the clamping shaft (14) is required to be jacked out of the clamping sleeve (15), so that the elevator limit switch body (1) is convenient to disassemble, and the disassembly time is saved;
the step S2 further comprises the following steps:
s21, when the connecting spring (11) is used, the connecting spring can be protected by the ripple protective sleeve (9), the ripple protective sleeve (9) is arranged on the outer side of the connecting spring (11) through the lower mounting disc (8) and the upper mounting disc (10), the connecting spring (11) can be well protected, the ripple protective sleeve (9) can stretch and deform up and down, and when the connecting sheet (5) drives the connecting spring (11) to stretch and retract, the ripple protective sleeve (9) can also stretch and retract, so that the connecting spring (11) can be prevented from being influenced by dust, sundries or liquid, and the using effect is influenced;
the step S3 further comprises the following steps:
s31, in order to ensure that the elevator limit switch body (1) can rebound stably under the action of external force, a first reset spring (24) and a second reset spring (34) are respectively arranged at the top of the first connecting plate (22) and the bottom of the second connecting plate (28), and when the first connecting plate (22) and the second connecting plate (28) move, the first reset spring (24) and the second reset spring (34) are stretched to generate reverse elastic potential energy, so that the elevator limit switch body (1) can rebound stably and rapidly to the original position under the action of pressure, the connecting springs (11) are prevented from being damaged, and the rebound of the elevator limit switch body (1) is influenced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310199570.7A CN116281470A (en) | 2023-03-04 | 2023-03-04 | Elevator limit switch and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310199570.7A CN116281470A (en) | 2023-03-04 | 2023-03-04 | Elevator limit switch and use method |
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| Publication Number | Publication Date |
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| CN116281470A true CN116281470A (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310199570.7A Pending CN116281470A (en) | 2023-03-04 | 2023-03-04 | Elevator limit switch and use method |
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| JPH0997527A (en) * | 1995-10-02 | 1997-04-08 | Mic Electron Co | Lever switch and pin switch fitted with small roller |
| CN203631338U (en) * | 2013-12-27 | 2014-06-04 | 郑微丹 | An insertion-piece control type elevator space limiting stroke switch |
| CN106125833A (en) * | 2016-06-17 | 2016-11-16 | 东方通信股份有限公司 | A kind of location structure of convertible touch display screen |
| CN212050025U (en) * | 2020-05-12 | 2020-12-01 | 南通海迅特雷卡电梯产品有限公司 | Elevator limit switch |
| CN213707405U (en) * | 2020-09-08 | 2021-07-16 | 南通瑞鑫电子电器有限公司 | Elevator limit switch |
| CN214848251U (en) * | 2021-05-26 | 2021-11-23 | 重庆亚辛美铸机电有限公司 | Lathe travel limit switch |
| CN215592271U (en) * | 2021-06-30 | 2022-01-21 | 南通润雅机电科技有限公司 | High-reliability elevator limit switch |
| CN216250440U (en) * | 2021-11-19 | 2022-04-08 | 三门县中盈科技股份有限公司 | Elevator limit switch with long service life |
-
2023
- 2023-03-04 CN CN202310199570.7A patent/CN116281470A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0997527A (en) * | 1995-10-02 | 1997-04-08 | Mic Electron Co | Lever switch and pin switch fitted with small roller |
| CN203631338U (en) * | 2013-12-27 | 2014-06-04 | 郑微丹 | An insertion-piece control type elevator space limiting stroke switch |
| CN106125833A (en) * | 2016-06-17 | 2016-11-16 | 东方通信股份有限公司 | A kind of location structure of convertible touch display screen |
| CN212050025U (en) * | 2020-05-12 | 2020-12-01 | 南通海迅特雷卡电梯产品有限公司 | Elevator limit switch |
| CN213707405U (en) * | 2020-09-08 | 2021-07-16 | 南通瑞鑫电子电器有限公司 | Elevator limit switch |
| CN214848251U (en) * | 2021-05-26 | 2021-11-23 | 重庆亚辛美铸机电有限公司 | Lathe travel limit switch |
| CN215592271U (en) * | 2021-06-30 | 2022-01-21 | 南通润雅机电科技有限公司 | High-reliability elevator limit switch |
| CN216250440U (en) * | 2021-11-19 | 2022-04-08 | 三门县中盈科技股份有限公司 | Elevator limit switch with long service life |
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