CN214298800U - Elevator system - Google Patents
Elevator system Download PDFInfo
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- CN214298800U CN214298800U CN202023075313.3U CN202023075313U CN214298800U CN 214298800 U CN214298800 U CN 214298800U CN 202023075313 U CN202023075313 U CN 202023075313U CN 214298800 U CN214298800 U CN 214298800U
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Abstract
The utility model discloses an elevator system, which comprises an elevator bracket, an elevator car, a dragging component, an elevator cable, a counterweight and a car top wheel device; the car top wheel device comprises a fixed support, a top wheel shaft, a car top wheel and a plurality of damping components; the top elevator car wheel is rotatably connected with the top wheel shaft and is rotatably mounted on the fixed support through the top wheel shaft; the damping assembly is connected with the bottom of the fixed support, and the car top wheel device is connected with the elevator car through the damping assembly; the upper end of the fixed support is provided with a dust cover, and the left end and the right end of the top surface of the dust cover are respectively provided with an avoiding opening. The elevator system covers the fixed support through the dust cover, avoids foreign matters from entering the fixed support from the upper side of the fixed support, and avoids the problem that the foreign matters influence the rotation of the top wheel of the elevator car to cause abnormal sound, thereby reducing noise and improving the comfort of the elevator.
Description
Technical Field
The utility model relates to an elevator device field especially relates to an elevator system.
Background
In the existing car top wheel device, a damping structure is generally arranged on a car top wheel assembly to prevent friction noise of an elevator cable and a car top wheel from being transmitted to a car. But present car roof wheel subassembly exposes in the elevartor shaft, and when debris fell into in the car roof wheel subassembly, debris probably are blocking between elevator hawser and car roof wheel, when the elevator operation, will rub and produce the noise between debris, elevator hawser and the car roof wheel, and the car will be transmitted to the noise to influence the travelling comfort of elevator, reduce passenger's use and experience.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elevator system to solve above-mentioned problem.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an elevator system, which comprises an elevator bracket, an elevator car, a dragging component, an elevator cable, a counterweight and a car top wheel device;
the elevator car is arranged in the elevator support, the periphery of the elevator car and the interior of the elevator support form sliding fit, the car top wheel device is arranged on the top surface of the elevator car, the dragging assembly is arranged on the top of the elevator support, and the counterweight is slidably mounted on the inner side of the elevator support;
one end of the elevator cable is wound around the dragging component and is connected with the counterweight, and the other end of the elevator cable is wound around the car top wheel device and is fixed at the top of the elevator bracket;
the car top wheel device comprises a fixed support, a top wheel shaft, a car top wheel and a plurality of damping components; the top elevator car wheel is rotatably connected with the top wheel shaft and is rotatably mounted on the fixed support through the top wheel shaft; the damping assembly is connected with the bottom of the fixed support, and the car top wheel device is connected with the elevator car through the damping assembly;
the upper end of the fixed support is provided with a dust cover, and the left end and the right end of the top surface of the dust cover are respectively provided with an avoiding opening.
In the elevator system, the damping assembly comprises a fixing plate, a screw rod, a fixing nut, a first base plate, a second base plate, a buffer spring and a damping pad; the fixed plate is arranged on the inner bottom surface of the fixed support, one end of the screw is assembled with the screw hole in the fixed plate in a sliding mode, and the other end of the screw penetrates out of the bottom surface of the fixed support;
the first base plate, the buffer spring and the second base plate are sequentially sleeved on the outer side of the screw rod, the first base plate is close to one end of the fixed plate, and the second base plate is close to the other end of the screw rod; one end of the buffer spring is tightly propped against the first base plate, and the other end of the buffer spring is tightly propped against the second base plate; the fixing nut is in threaded connection with the other end of the screw rod and abuts against the second base plate.
In the elevator system, the elevator car top wheel comprises a top wheel body, a bearing and a waterproof sealing ring; a mounting hole is formed in the center of the top wheel body, the bearing is arranged in the mounting hole, and the top wheel shaft penetrates through the bearing; the waterproof sealing ring penetrates through the top wheel shaft and is embedded in the mounting hole, and the waterproof sealing ring is located on the outer side of the bearing.
In the elevator system, one side of the waterproof sealing ring, which faces away from the bearing, is provided with a plurality of grooves, and the grooves are circumferentially distributed by taking the center of the waterproof sealing ring as a circle center.
In the elevator system, the dust cover further includes a rubber bulkhead; the rubber partition plate is provided with a cable hole matched with an elevator cable, and the rubber partition plate is detachably connected to the avoidance port.
The elevator system further comprises a speed-limiting protection assembly device, wherein the speed-limiting protection assembly device comprises a safety gear, a guide rail, a speed limiter, a steel wire rope and a tensioning device; the guide rail is fixedly arranged on the other side of the elevator bracket from top to bottom, one side of the safety gear is connected with the elevator car, and a jaw of the safety gear is connected with the guide rail in a sliding manner; the speed limiter is arranged at the top of the elevator support, the steel wire rope is assembled with the speed limiter and the tensioning device in a pulley transmission mode, and two ends of the steel wire rope are connected with the connecting rod end of the safety tongs respectively.
In the elevator system, the tensioning device comprises a tensioning wheel, a rotating shaft, a mounting bracket, a protective cover, a counterweight and a guide rod;
the tension wheel is rotatably connected with the rotating shaft and is arranged on the front side surface of the mounting bracket through the rotating shaft;
the protective cover covers the outer side of the tension wheel, and steel wire passage openings are formed in two ends of the top surface of the protective cover; a semicircular bent plate is arranged on the inner wall of the rear side of the protective cover and is positioned below the tension wheel, one end of the semicircular bent plate is connected with the inner wall of the left side of the protective cover, and the other end of the semicircular bent plate is connected with the inner wall of the left side of the protective cover;
the counterweight part is connected with the front side surface of the mounting bracket and is positioned below the protective cover;
one end of the guide rod is connected with the rear side surface of the mounting bracket, and the other end of the guide rod is connected with the guide rail; the steel wire rope enters the mounting bracket from the steel wire passage opening at one end, surrounds the outer side of the tension wheel and leaves the mounting bracket from the steel wire passage opening at the other end.
In the elevator system, a left limiting coaming and a right limiting coaming are respectively arranged at the left end and the right end of the mounting bracket; the left limiting enclosing plate is provided with a first limiting hole, and the right limiting enclosing plate is provided with a second limiting hole corresponding to the first limiting hole;
one end of the guide rod is connected with the lower end of the guide rail, and the other end of the guide rod sequentially penetrates through the first limiting hole and the second limiting hole; the other end of the guide rod is provided with a first fixing piece and a second fixing piece; the first fixing piece and the guide rod are connected to the left side of the left limiting enclosing plate, and the second fixing piece and the guide rod are connected to the right side of the right limiting enclosing plate;
the mounting bracket also comprises a safety contact switch and a baffle plate;
the safety contact switch is connected to the other end of the guide rod and is positioned between the left limiting enclosing plate and the right limiting enclosing plate; the baffle is connected to the rear side of installing support, just the baffle is located directly over the safety contact switch.
Elevator system can have following beneficial effect:
the elevator system covers the fixed support through the dust cover, avoids foreign matters from entering the fixed support from the upper side of the fixed support, and avoids the problem that the foreign matters influence the rotation of the top wheel of the elevator car to cause abnormal sound, thereby reducing noise and improving the comfort of the elevator.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
fig. 2 is a schematic structural view of a top wheel device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a top wheel device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of one embodiment of the present invention;
FIG. 5 is a schematic view of the structure on the other side of the embodiment of FIG. 4;
fig. 6 is a schematic structural view of a protection cover and a tension roller according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a speed limiting protection assembly device according to an embodiment of the present invention; in the drawings: the elevator comprises an elevator bracket 1, an elevator car 2, a dragging assembly 3, an elevator cable 4, a counterweight 5 and a car top wheel device 6;
a fixed bracket 61, a top wheel shaft 62 and an avoidance port 64; a safety gear 71, a guide rail 72, a speed limiter 73, a steel wire rope 74 and a tensioning device 75; a left limit enclosing plate 76, a right limit enclosing plate 77, a first fixing piece 78 and a second fixing piece 79; a safety contact switch 80, a shutter 81;
the tension wheel 751, the rotating shaft 752, the mounting bracket 753, the protective cover 754, the semicircular bent plate 754a, the counterweight member 755 and the guide rod 756; a first limiting hole 761 and a second limiting hole 771.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 7, the present invention provides an elevator system, which includes an elevator frame 1, an elevator car 2, a dragging assembly 3, an elevator rope 4, a counterweight 5, and a car top wheel device 6;
the elevator car 2 is arranged in the elevator support 1, the periphery of the elevator car and the inside of the elevator support form sliding fit, the car top wheel device 6 is arranged on the top surface of the elevator car 2, the dragging assembly 3 is arranged at the top of the elevator support 1, and the counterweight 5 is slidably arranged on the inner side of the elevator support 1;
one end of the elevator cable 4 is wound around the dragging component 3 and is connected with the counterweight 5, and the other end of the elevator cable 4 is wound around the car top wheel device 6 and is fixed at the top of the elevator bracket 1;
the car top wheel device 6 comprises a fixed bracket 61, a top wheel shaft 62, a car top wheel and a plurality of shock absorption components; the car top wheel is rotationally connected with the top wheel shaft 62, and is rotationally mounted on the fixed support 61 through the top wheel shaft 62; the damping component is connected with the bottom of the fixed bracket 61, and the car top wheel device 6 is connected with the elevator car 2 through the damping component;
the upper end of the fixed bracket 61 is provided with a dust cover 611, and the left end and the right end of the top surface of the dust cover 611 are respectively provided with an avoiding opening 64.
The structure and the connected mode of elevator support 1, elevator car 2, drag and draw subassembly 3, elevator hawser 4, counterweight 5 and sedan-chair top wheel device 6 can refer to current elevator structure, and elevator system's theory of operation is the same with current elevator theory of operation, drags and moves elevator hawser 4 through dragging and drawing subassembly 3, changes the position of counterweight 5, utilizes the weight of counterweight 5 to order about elevator car 2 and remove along vertical direction in elevator support 1, and the here is not repeated. The elevator rope 4 enters the fixed bracket 61 through the escape opening 64 at one end thereof and leaves the fixed bracket 61 through the escape opening 64 at the other end thereof after passing around the car top wheel.
Please refer to fig. 2 and 3, the utility model discloses a dust cover 611 covers fixed bolster 61, avoids the foreign matter to get into fixed bolster 61 from the top of fixed bolster 61, has avoided the foreign matter to influence the top wheel of car and has rotated and lead to the problem of abnormal sound to the noise reduction promotes the travelling comfort of elevator.
Specifically, the damping assembly includes a fixing plate 631, a screw 632, a fixing nut 633, a first pad plate 634, a second pad plate 635, a buffer spring 636, and a damping pad 637; the fixing plate 631 is arranged on the inner bottom surface of the fixing bracket 61, one end of the screw rod 632 is slidably assembled with the screw rod 632 hole on the fixing plate 631, and the other end of the screw rod 632 penetrates out of the bottom surface of the fixing bracket 61;
the first pad 634, the buffer spring 636 and the second pad 635 are sequentially sleeved outside the screw 632, the first pad 634 is close to one end of the fixing plate 631, and the second pad 635 is close to the other end of the screw 632; one end of the buffer spring 636 is tightly abutted against the first cushion plate 634, and the other end is tightly abutted against the second cushion plate 635; the fixing nut 633 is in threaded connection with the other end of the screw 632, and abuts against the second pad 635.
The axial direction of the top wheel shaft 62 is vertical to the inner wall of the car facing the door, the elevator rope 4 enters the fixed support 61 from an avoidance hole at one end of the top surface of the fixed support 61, bypasses the top wheel of the car and bypasses the fixed support 61 from an avoidance hole at the other side of the top surface of the fixed support 61; the ceiling wheel device 6 is connected to the elevator car 2, and vibration generated by the elevator is transmitted to the elastic member through the fixing plate 631 and the screw 632.
When the elevator stops running, the elevator car 2 jacks up the screw 632 to enable the screw 632 to move upwards and enter the fixed support 61; as the extended length of the screw 632 becomes shorter, the shock-absorbing pad 637, the first pad 634, the second pad 635, and the buffer spring 636 move upward following the screw 632; subsequently, the cushion 637 abuts against the bottom surface of the fixing bracket 61, and the first cushion plate 634 presses the cushion 637, suppressing noise and rattling of the car; meanwhile, the screw 632 continues to move upward, and the buffer spring 636 is compressed by the first cushion plate 634 and the second cushion plate 635, so that the buffer spring 636 generates a buffering effect, and the damping effect is enhanced. Fixing nut 633 plays the effect of fixed second backing plate 635, can adjust fixing nut 633 in the position of screw rod 632 moreover, changes buffer spring 636 elasticity in order to reach the 6 buffering effects of adjustment double shock-proof type sedan-chair top wheel device, reduces the noise that the elevator produced to improve passenger's the experience of taking advantage of and taking.
Specifically, the car roof wheel includes a roof wheel body 621, a bearing, and a waterproof seal 622; a mounting hole is formed in the center of the top wheel body 621, the bearing is arranged in the mounting hole, and the top wheel shaft 62 penetrates through the bearing; the waterproof sealing ring 622 penetrates through the top wheel shaft 62 and is embedded in the mounting hole, and the waterproof sealing ring 622 is located on the outer side of the bearing.
Specifically, one side of the waterproof sealing ring 622, which faces away from the bearing, is provided with a plurality of grooves 623, and the grooves 623 are circumferentially distributed by taking the center of the waterproof sealing ring 622 as a circle center.
So set up, maintenance personal accessible recess 623 centre gripping waterproof sealing washer 622 to extract waterproof sealing washer 622 from the mounting hole, the maintenance personal of being convenient for carries out the operation of maintenance or maintenance.
Preferably, the dust cover 611 further comprises a rubber septum 612; the rubber diaphragm 612 is provided with a cable hole 613 matched with an elevator cable, and the rubber diaphragm 612 is detachably connected to the avoidance port 64.
The rubber partition 612 is used to shield the avoidance opening 64, so as to avoid the problem that the smaller foreign matters still can enter the fixing bracket 61 through the avoidance opening 64 due to the oversize avoidance opening 64. The elevator cable enters or leaves the fixed bracket 61 through the avoidance port 64, the radius of the elevator cable is matched with that of the cable hole 613, and the problem that the elevator cable is abraded due to the fact that the elevator cable is hung on the rubber partition plate 612 in the working process is avoided.
Referring to fig. 1 and 7, further, the elevator system further includes a speed-limiting protection assembly device, where the speed-limiting protection assembly device includes a safety gear 71, a guide rail 72, a speed limiter 73, a steel wire rope 74, and a tensioning device 75; the guide rail 72 is fixedly arranged on the other side of the elevator bracket 1 from top to bottom, one side of the safety gear 71 is connected with the elevator car 2, and a jaw of the safety gear 71 is connected with the guide rail 72 in a sliding manner; the speed limiter 73 is arranged at the top of the elevator bracket 1, the wire rope 74 is assembled with the speed limiter 73 and the tensioning device 75 in a pulley transmission manner, and two ends of the wire rope 74 are respectively connected with the connecting rod ends of the safety tongs 71.
The structure and the working principle of the speed limiting protection assembly device can refer to the existing safety gear 71 and speed limiter 73 steel wire rope 74 tensioning device. When accidents occur, for example, the steel wire rope 74 is broken, the car top pulley is separated, the worm gear of the tractor is meshed and fails, the motor is lowered and the rotating speed is too high, so that the elevator car 2 is caused to slide downwards at an overspeed or at a high speed, the speed of the elevator car 2 is greater than the threshold value of the speed limiter 73, the speed limiter 73 can be braked emergently, and the steel wire rope 74 pulls the link mechanism of the safety tongs 71, so that the safety tongs 71 clamp the guide rail 72, and the car is clamped on the guide rail 72 and cannot fall. The tensioning device 75 plays a role in tensioning the steel wire rope 74, so that the rotation stability of the rope pulley is ensured, and the situation that the safety gear 71 cannot be triggered through the steel wire rope 74 due to the fact that the rope pulley slips from the steel wire rope 74 is avoided.
Further, the tensioning device 75 comprises a tensioning wheel 751, a rotating shaft 752, a mounting bracket 753, a protective cover 754, a counterweight 755 and a guide rod 756;
the tension wheel 751 is rotatably connected with the rotating shaft 752, and the tension wheel 751 is installed on the front side surface of the mounting bracket 753 through the rotating shaft 752;
the protective cover 754 covers the outer side of the tension wheel 751, and steel wire passage openings are formed in two ends of the top surface of the protective cover 754; a semicircular bent plate 754a is arranged on the inner wall of the rear side of the protective cover 754, the semicircular bent plate 754a is positioned below the tensioning wheel 751, one end of the semicircular bent plate 754a is connected with the inner wall of the left side of the protective cover 754, and the other end of the semicircular bent plate 754a is connected with the inner wall of the left side of the protective cover 754;
the weight member 755 is connected with the front side surface of the mounting bracket 753 and is positioned below the protective cover 754;
one end of the guide rod 756 is connected to the rear side of the mounting bracket 753, and the other end of the guide rod 756 is connected to the guide rail 72; the steel wire 74 enters the mounting bracket 753 from the wire passage opening at one end, surrounds the outside of the tension pulley 751, and exits the mounting bracket 753 from the wire passage opening at the other end.
The tensioning device 75 is provided with the protective cover 754 to prevent a mouse from entering the tensioning wheel 751, so that the mouse is prevented from damaging the internal structure of the tensioning device 75 of the steel wire rope 74 of the rat-proof speed limiter 73, or the mouse interferes with the operation of the tensioning device 75 of the steel wire rope 74 of the rat-proof speed limiter 73, and the problem that the speed limiter 73 cannot be effectively triggered to cause safety accidents in danger is avoided.
In addition, the inner wall of the protection cover 754 is further provided with a semicircular bent plate 754a, and the semicircular bent plate 754a has the effect of preventing rats from entering the interior of the protection cover 754, and also has the effect of preventing the steel wire rope 74 from coming off from the protection cover 754, so that the problem that the tension of the steel wire rope 74 is influenced and the safety tongs 71 cannot be normally triggered due to the fact that the steel wire rope 74 extends out of the protection cover 754 and is hooked to other structures is solved.
Referring to fig. 4 and 5, a left limiting coaming 76 and a right limiting coaming 77 are respectively arranged at the left end and the right end of the mounting bracket 753; the left limiting enclosing plate 76 is provided with a first limiting hole 761, and the right limiting enclosing plate 77 is provided with a second limiting hole 771 corresponding to the first limiting hole 761;
one end of the guide rod 756 is connected with the lower end of the guide rail 72, and the other end of the guide rod 756 sequentially passes through the first limiting hole 761 and the second limiting hole 771; the other end of the guide rod 756 is provided with a first fixing part 78 and a second fixing part 79; the first fixing member 78 and the guide rod 756 are connected to the left side of the left restraining fence 76, and the second fixing member 79 and the guide rod 756 are connected to the right side of the right restraining fence 77;
the mounting bracket 753 further includes a safety contact switch 80 and a baffle 81;
the safety contact switch 80 is connected to the other end of the guide rod 756, and the safety contact switch 80 is located between the left limit fence 76 and the right limit fence 77; the baffle 81 is connected to the rear side surface of the mounting bracket 753, and the baffle 81 is located right above the safety contact switch 80.
If the fracture appears in wire rope 74 in the use or because length is too big and when unable normal performance was used, the elevator operation will have huge potential safety hazard, takes place in order to avoid this kind of condition, the utility model discloses set up tensioning state sensing assembly for detect wire rope 74's among overspeed governor 73 system tensioning condition, provide the assurance for safety tongs 71's normal trigger.
The other end of the guide rod 756 is connected to the guide rail 72, so that the position of the guide rod 756 is fixed. In a normal state, the weight member 755 applies a downward pulling force to the mounting bracket 753, so that the tension pulley 751 pulls the steel wire rope 74, and the tension pulley 751 tensions the steel wire rope 74; meanwhile, the wire rope 74 applies a reaction force to the tension pulley 751, so that the tension pulley 751 mounting bracket 753 is lifted, and the bottom surface of the guide rod 756 abuts against the lower edges of the first limiting hole 761 and the second limiting hole 771.
When the wire rope 74 is slack, the length of the wire rope 74 is lengthened by the tension of the weight member 755; the mounting bracket 753 is displaced downward relative to the guide rod 756 to change the positions of the guide rod 756 at the first and second limiting holes 761, 771; as the cable 74 continues to slacken, the top surface of the guide rod 756 gradually approaches the upper edges of the first and second limiting holes 761, 771; when the top surface of the guide rod 756 gradually contacts with the upper edges of the first limiting hole 761 and the second limiting hole 771, or the steel wire rope 74 is directly disconnected, the baffle 81 collides with the safety contact switch 80 to trigger the safety contact switch 80, so that the safety contact switch 80 controls the elevator to stop running, the elevator is prevented from running continuously in the state that the steel wire rope 74 is loosened or disconnected, and the safety of the elevator is ensured.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (8)
1. An elevator system includes an elevator support, an elevator car, a pulling assembly, an elevator rope, a counterweight, and a top sheave arrangement;
the elevator car is arranged in the elevator support, the periphery of the elevator car and the interior of the elevator support form sliding fit, the car top wheel device is arranged on the top surface of the elevator car, the dragging assembly is arranged on the top of the elevator support, and the counterweight is slidably mounted on the inner side of the elevator support;
one end of the elevator cable is wound around the dragging assembly and is connected with the counterweight, and the other end of the elevator cable is wound around the car top wheel device and is fixed at the top of the elevator support, and the elevator support is characterized in that:
the car top wheel device comprises a fixed support, a top wheel shaft, a car top wheel and a plurality of damping components; the top elevator car wheel is rotatably connected with the top wheel shaft and is rotatably mounted on the fixed support through the top wheel shaft; the damping assembly is connected with the bottom of the fixed support, and the car top wheel device is connected with the elevator car through the damping assembly;
the upper end of the fixed support is provided with a dust cover, and the left end and the right end of the top surface of the dust cover are respectively provided with an avoiding opening.
2. An elevator system according to claim 1, characterized in that: the damping assembly comprises a fixing plate, a screw rod, a fixing nut, a first base plate, a second base plate, a buffer spring and a damping pad; the fixed plate is arranged on the inner bottom surface of the fixed support, one end of the screw is assembled with the screw hole in the fixed plate in a sliding mode, and the other end of the screw penetrates out of the bottom surface of the fixed support;
the first base plate, the buffer spring and the second base plate are sequentially sleeved on the outer side of the screw rod, the first base plate is close to one end of the fixed plate, and the second base plate is close to the other end of the screw rod; one end of the buffer spring is tightly propped against the first base plate, and the other end of the buffer spring is tightly propped against the second base plate; the fixing nut is in threaded connection with the other end of the screw rod and abuts against the second base plate.
3. An elevator system according to claim 1, characterized in that: the car top wheel comprises a top wheel body, a bearing and a waterproof sealing ring; a mounting hole is formed in the center of the top wheel body, the bearing is arranged in the mounting hole, and the top wheel shaft penetrates through the bearing; the waterproof sealing ring penetrates through the top wheel shaft and is embedded in the mounting hole, and the waterproof sealing ring is located on the outer side of the bearing.
4. An elevator system according to claim 3, characterized in that: one side of the waterproof sealing ring, which faces away from the bearing, is provided with a plurality of grooves, and the grooves are circumferentially distributed by taking the center of the waterproof sealing ring as a circle center.
5. An elevator system according to claim 1, characterized in that: the dust cover further comprises a rubber partition plate; the rubber partition plate is provided with a cable hole matched with an elevator cable, and the rubber partition plate is detachably connected to the avoidance port.
6. An elevator system according to claim 1, characterized in that: the speed-limiting protection assembly device comprises a safety gear, a guide rail, a speed limiter, a steel wire rope and a tensioning device; the guide rail is fixedly arranged on the other side of the elevator bracket from top to bottom, one side of the safety gear is connected with the elevator car, and a jaw of the safety gear is connected with the guide rail in a sliding manner; the speed limiter is arranged at the top of the elevator support, the steel wire rope is assembled with the speed limiter and the tensioning device in a pulley transmission mode, and two ends of the steel wire rope are connected with the connecting rod end of the safety tongs respectively.
7. An elevator system according to claim 6, characterized in that: the tensioning device comprises a tensioning wheel, a rotating shaft, a mounting bracket, a protective cover, a counterweight and a guide rod;
the tension wheel is rotatably connected with the rotating shaft and is arranged on the front side surface of the mounting bracket through the rotating shaft;
the protective cover covers the outer side of the tension wheel, and steel wire passage openings are formed in two ends of the top surface of the protective cover; a semicircular bent plate is arranged on the inner wall of the rear side of the protective cover and is positioned below the tension wheel, one end of the semicircular bent plate is connected with the inner wall of the left side of the protective cover, and the other end of the semicircular bent plate is connected with the inner wall of the left side of the protective cover;
the counterweight part is connected with the front side surface of the mounting bracket and is positioned below the protective cover;
one end of the guide rod is connected with the rear side surface of the mounting bracket, and the other end of the guide rod is connected with the guide rail; the steel wire rope enters the mounting bracket from the steel wire passage opening at one end, surrounds the outer side of the tension wheel and leaves the mounting bracket from the steel wire passage opening at the other end.
8. An elevator system according to claim 7, characterized in that: the left end and the right end of the mounting bracket are respectively provided with a left limiting coaming and a right limiting coaming; the left limiting enclosing plate is provided with a first limiting hole, and the right limiting enclosing plate is provided with a second limiting hole corresponding to the first limiting hole;
one end of the guide rod is connected with the lower end of the guide rail, and the other end of the guide rod sequentially penetrates through the first limiting hole and the second limiting hole; the other end of the guide rod is provided with a first fixing piece and a second fixing piece; the first fixing piece and the guide rod are connected to the left side of the left limiting enclosing plate, and the second fixing piece and the guide rod are connected to the right side of the right limiting enclosing plate;
the mounting bracket also comprises a safety contact switch and a baffle plate;
the safety contact switch is connected to the other end of the guide rod and is positioned between the left limiting enclosing plate and the right limiting enclosing plate; the baffle is connected to the rear side of installing support, just the baffle is located directly over the safety contact switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023075313.3U CN214298800U (en) | 2020-12-18 | 2020-12-18 | Elevator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023075313.3U CN214298800U (en) | 2020-12-18 | 2020-12-18 | Elevator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214298800U true CN214298800U (en) | 2021-09-28 |
Family
ID=77859693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023075313.3U Active CN214298800U (en) | 2020-12-18 | 2020-12-18 | Elevator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214298800U (en) |
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2020
- 2020-12-18 CN CN202023075313.3U patent/CN214298800U/en active Active
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