CN214989495U

CN214989495U - Elevator speed limiter

Info

Publication number: CN214989495U
Application number: CN202121291836.3U
Authority: CN
Inventors: 郑鼎隆
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-03
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses an elevator overspeed governor, comprising a base plate, the top fixedly connected with support frame of bottom plate, the top of support frame is provided with the rim plate, the surface of rim plate is provided with the haulage rope, the top fixedly connected with mounting bracket of bottom plate, the top fixedly connected with detection device of mounting bracket, the fixedly connected with connecting axle of axle center department of rim plate, the utility model relates to an elevator technical field. This elevator overspeed governor, reached when the elevator operation, drive the haulage rope motion, drive the pulley dish and rotate, drive detection device work through the connecting axle, when the elevator operation is too fast, then the connecting axle rotational speed accelerates, make detection device under the effect of centrifugal force, trigger micro-gap switch, make decelerator work, brake haulage rope and rim plate, thereby the system stops the elevator, the security of the lives and property of the people taking advantage of the ladder is ensured, and detection device operation is stable, improve equipment life, guarantee equipment normal braking, satisfy user demand's purpose.

Description

Elevator speed limiter

Technical Field

The utility model relates to an elevator field, more specifically say, relate to an elevator overspeed governor.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. The elevator speed limiter is one of four safety parts of the elevator. The elevator can be ensured to trigger the safety device to act in time under the condition of accidental overspeed, so that the elevator is stopped, and the life and property safety of people taking the elevator is guaranteed. At present, current elevator overspeed governor, single structure, speed detection performance is poor, and is too fast when the speed, leads to mechanical trigger mechanism to be damaged easily, and then influences the normal braking of equipment, can't satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems that the prior elevator speed limiter has single structure and poor speed detection performance, and the mechanical trigger mechanism is easily damaged when the speed is too high, thereby affecting the normal braking of equipment and being incapable of meeting the use requirement, the utility model aims at providing the elevator speed limiter which can realize that a bottom plate, a support frame, a wheel disc, a traction rope, a mounting frame, a detection device, a connecting shaft, a fixing frame and a speed reducer form a whole, when the elevator runs, the traction rope is driven to move, the wheel disc is driven to rotate, the detection device is driven to work through the connecting shaft, when the elevator runs too fast, the rotating speed of the connecting shaft is accelerated, so that the detection device triggers a micro switch under the action of centrifugal force, the speed reducer works, the traction rope and the wheel disc are braked, thereby stopping the elevator and guaranteeing the life and property safety of elevator riders, and the detection device runs stably, the service life of the equipment is prolonged, the normal braking of the equipment is ensured, and the use requirement is met.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides an elevator overspeed governor, includes the bottom plate, the top fixedly connected with support frame of bottom plate, the top of support frame is provided with the rim plate, the surface of rim plate is provided with the haulage rope, the top fixedly connected with mounting bracket of bottom plate, the top fixedly connected with detection device of mounting bracket, the axle center department fixedly connected with connecting axle of rim plate, the connecting axle rotates with the support frame to be connected, the connecting axle is connected with detection device, the top fixedly connected with mount of bottom plate, the tip of mount is provided with decelerator, decelerator and rim plate surface phase are corresponding.

Preferably, detection device includes fixed frame, fixed frame and mounting bracket fixed connection, the angle such as the inner wall of fixed frame is provided with micro-gap switch, micro-gap switch and decelerator electric connection.

Preferably, one end of the connecting shaft, which is located inside the fixed frame, is fixedly connected with a rotating disc, the inside of the rotating disc is slidably connected with a moving rod, the end of the moving rod is fixedly connected with a connecting block, one end of the moving rod, which is far away from the connecting block, is fixedly connected with a guide wheel frame, the surface of the guide wheel frame is provided with a guide wheel, the guide wheel corresponds to the inner wall of the fixed frame, the surface of the connecting block is fixedly connected with a return spring, and the return spring is sleeved with the moving rod.

Preferably, the surface of the connecting block is fixedly connected with a fixing ring, and the inner part of the fixing ring is fixedly connected with a metal ball.

Preferably, the speed reducer comprises an installation plate, and the installation plate is fixedly connected with the fixing frame.

Preferably, the surface of the mounting plate is fixedly connected with a hydraulic telescopic rod, and the output end of the hydraulic telescopic rod is fixedly connected with a limiting frame.

Preferably, the two sides of the limiting frame are fixedly connected with guide rods, the guide rods are connected with the mounting plate in a sliding mode, and one ends, far away from the limiting frame, of the guide rods are fixedly connected with check blocks.

Preferably, the surface of the limiting frame is fixedly connected with a supporting spring, the limiting frame is fixedly connected with a speed reducing block through the supporting spring, and the speed reducing block corresponds to the wheel disc.

Preferably, the lateral wall of the speed reduction block is fixedly connected with a connecting rod, the supporting spring is sleeved with the connecting rod, the connecting rod is connected with the limiting frame in a sliding mode, and one end, located inside the limiting frame, of the connecting rod is fixedly connected with a supporting block.

Preferably, the microswitch is electrically connected with the hydraulic telescopic rod.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of: the elevator braking device comprises a bottom plate, a support frame, a wheel disc, a traction rope, a mounting frame, a detection device, a connecting shaft, a fixing frame and a speed reduction device which form a whole, when the elevator runs, the traction rope is driven to move, the wheel disc is driven to rotate, the detection device is driven to work through the connecting shaft, when the elevator runs too fast, the rotating speed of the connecting shaft is accelerated, so that the detection device triggers a micro switch under the action of centrifugal force, the speed reduction device works to brake the traction rope and the wheel disc, thereby stopping the elevator, ensuring the life and property safety of a person taking the elevator, and the detection device runs stably, prolonging the service life of equipment, ensuring the normal braking of the equipment, the detection device is arranged, the mounting frame supports the fixing frame, the micro switch is arranged on the inner wall of the fixing frame, when the micro switch is extruded, the speed reduction device starts to work, the wheel disc is braked, and the traction rope is driven to move when the elevator runs, the wheel disc is driven to rotate, the connecting shaft is driven to rotate, the rotating disc is driven to rotate, the surface of the rotating disc is connected with a moving rod in a sliding mode, the reset spring supports the connecting block, the guide wheel is enabled to be stored, the surface of the connecting block is provided with a fixing ring and a metal ball, when the rotating disc rotates, centrifugal force is generated, the metal ball moves, the elastic potential energy of the reset spring is increased, the guide wheel extends out, when the rotating speed is too high, the centrifugal force of the metal ball is larger until the guide wheel is connected with the inner wall of the fixing frame, the micro switch is triggered, the speed reducer is controlled to brake, the speed reducer is arranged, the mounting plate is connected with the fixing frame, the surface of the mounting plate is provided with a hydraulic telescopic rod, the limiting frame is convenient to support, the position of the limiting frame is adjusted, the guide rods are arranged on two sides of the limiting frame and slide with the mounting plate, the motion stability of the limiting frame is improved, and the surface of the limiting frame supports the speed reducer through the support spring, the speed reducing block has certain buffering performance, the protection of equipment is improved, the connecting rod is arranged at the back of the speed reducing block and slides with the limiting frame, the motion stability of the speed reducing block is improved, the microswitch is electrically connected with the hydraulic telescopic rod, when the microswitch is triggered, the hydraulic telescopic rod starts to work, when the microswitch is relieved, the hydraulic telescopic rod stops working, the bottom plate, the supporting frame, the wheel disc, the traction rope, the mounting frame, the detection device, the connecting shaft, the mounting frame and the speed reducing device are integrated, when the elevator runs, the traction rope is driven to move to drive the wheel disc to rotate, the detection device is driven to work through the connecting shaft, when the elevator runs too fast, the rotating speed of the connecting shaft is accelerated, the detection device triggers the microswitch under the action of centrifugal force, the speed reducing device works, and the traction rope and the wheel disc are braked, thereby the system stops the elevator, the security of the lives and property of the people taking the elevator is ensured, and the detection device runs stably, the service life of the equipment is prolonged, the normal braking of the equipment is ensured, and the purpose of meeting the use requirement is achieved.

Drawings

Fig. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic structural view of the detecting device of the present invention;

fig. 4 is a schematic view of a part of an enlarged structure of fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. a base plate; 2. a support frame; 3. a wheel disc; 4. a hauling rope; 5. a mounting frame; 6. a detection device; 61. a fixing frame; 62. a microswitch; 63. rotating the disc; 64. a motion bar; 65. connecting blocks; 66. a stationary ring; 67. a metal ball; 68. a guide wheel frame; 69. a guide wheel; 610. a return spring; 7. a connecting shaft; 8. a fixed mount; 9. a reduction gear; 91. mounting a plate; 92. a hydraulic telescopic rod; 93. a limiting frame; 94. a guide rod; 95. a stopper; 96. a support spring; 97. a deceleration block; 98. a connecting rod; 99. and (7) a supporting block.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Example 1:

referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an elevator speed limiter, comprising a base plate 1, the top fixedly connected with support frame 2 of bottom plate 1, the top of support frame 2 is provided with rim plate 3, the surface of rim plate 3 is provided with haulage rope 4, the top fixedly connected with mounting bracket 5 of bottom plate 1, the top fixedly connected with detection device 6 of mounting bracket 5, the axle center fixedly connected with connecting axle 7 of rim plate 3 department, connecting axle 7 rotates with support frame 2 to be connected, connecting axle 7 is connected with detection device 6, the top fixedly connected with mount 8 of bottom plate 1, the tip of mount 8 is provided with decelerator 9, decelerator 9 is corresponding with 3 surperficial facies of rim plate. Bottom plate 1, support frame 2, rim plate 3, haulage rope 4, mounting bracket 5, detection device 6, connecting axle 7, a whole is constituteed with decelerator 9 to mount 8, when the elevator operation, drive 4 motions of haulage rope, it rotates to drive rim plate 3, drive detection device 6 work through connecting axle 7, when the elevator operation is too fast, then 7 rotational speeds of connecting axle accelerate, make detection device 6 under the effect of centrifugal force, trigger micro-gap switch 62, make decelerator 9 work, brake 4 and rim plate 3 of haulage rope, thereby the elevator is stopped to the system, the security of the lives and property of the people taking advantage of the ladder is ensured, and detection device 6 operates stably, and service life of the equipment is prolonged, guarantee equipment normal braking.

Example 2:

referring to fig. 3, the speed governor for elevator, further, the detecting device 6 includes a fixing frame 61, the fixing frame 61 is fixedly connected with the mounting frame 5, the inner wall of the fixing frame 61 is provided with a microswitch 62 at equal angles, and the microswitch 62 is electrically connected with the speed reducer 9. Set up detection device 6, mounting bracket 5 supports fixed frame 61, and the inner wall of fixed frame 61 sets up micro-gap switch 62, and when micro-gap switch 62 was extruded, then decelerator 9 began to work, brakies rim plate 3.

Example 3:

referring to fig. 3, in the speed governor of the elevator, further, one end of the connecting shaft 7 located inside the fixed frame 61 is fixedly connected with a rotating disc 63, the inside of the rotating disc 63 is slidably connected with a moving rod 64, the end of the moving rod 64 is fixedly connected with a connecting block 65, one end of the moving rod 64 far away from the connecting block 65 is fixedly connected with a guide wheel frame 68, a guide wheel 69 is arranged on the surface of the guide wheel frame 68, the guide wheel 69 corresponds to the inner wall of the fixed frame 61, a return spring 610 is fixedly connected to the surface of the connecting block 65, and the return spring 610 is sleeved with the moving rod 64. When the elevator runs, the traction rope 4 is driven to move, the wheel disc 3 is driven to rotate, the connecting shaft 7 is driven to rotate, the rotating disc 63 is driven to rotate, the surface of the rotating disc 63 is connected with the moving rod 64 in a sliding mode, and the return spring 610 supports the connecting block 65, so that the guide wheel 69 is stored.

Example 4:

referring to fig. 3, in an elevator governor, a fixing ring 66 is fixedly connected to the surface of a connecting block 65, and a metal ball 67 is fixedly connected to the inside of the fixing ring 66. The surface of connecting block 65 sets up retainer plate 66 and metal ball 67, and when rolling disc 63 rotated, produced centrifugal force, metal ball 67 moved, increased reset spring 610's elastic potential energy for guide pulley 69 stretches out, and when the rotational speed was too fast, then the centrifugal force of metal ball 67 was big more, was connected until guide pulley 69 and the inner wall of fixed frame 61, triggered micro-gap switch 62, and then control decelerator 9 and brake.

Example 5:

referring to fig. 1, a speed governor for an elevator, further, a speed reducer 9 includes a mounting plate 91, and the mounting plate 91 is fixedly connected to a fixing frame 8. The reduction gear 9 is provided, and the mounting plate 91 is connected to the fixing frame 8.

Example 6:

referring to fig. 4, in an elevator governor, a hydraulic telescopic rod 92 is fixedly connected to a surface of a mounting plate 91, and a limit frame 93 is fixedly connected to an output end of the hydraulic telescopic rod 92. The surface of the mounting plate 91 is provided with a hydraulic telescopic rod 92, which is convenient for supporting the limit frame 93 and adjusting the position of the limit frame 93.

Example 7:

referring to fig. 4, in an elevator speed limiter, further, guide rods 94 are fixedly connected to two sides of a limit frame 93, the guide rods 94 are slidably connected to a mounting plate 91, and a stopper 95 is fixedly connected to one end of each guide rod 94 far away from the limit frame 93. The two sides of the limiting frame 93 are provided with guide rods 94 which slide with the mounting plate 91, so that the motion stability of the limiting frame 93 is improved.

Example 8:

referring to fig. 4, in the speed limiter for the elevator, further, a supporting spring 96 is fixedly connected to a surface of the limiting frame 93, a speed reducing block 97 is fixedly connected to the limiting frame 93 through the supporting spring 96, and the speed reducing block 97 corresponds to the wheel disc 3. The surface of the limiting frame 93 supports the speed reducing block 97 through the supporting spring 96, so that the speed reducing block 97 has certain buffering performance, and the protection of equipment is improved.

Example 9:

referring to fig. 4, in an elevator governor, a connecting rod 98 is fixedly connected to a side wall of a speed reducing block 97, a supporting spring 96 is sleeved with the connecting rod 98, the connecting rod 98 is slidably connected to a limiting frame 93, and a supporting block 99 is fixedly connected to one end of the connecting rod 98 located inside the limiting frame 93. The back of the speed reducing block 97 is provided with a connecting rod 98, and the connecting rod 98 slides with the limiting frame 93, so that the motion stability of the speed reducing block 97 is improved.

Example 10:

referring to fig. 3-4, an elevator governor, further, a microswitch 62 is electrically connected to a hydraulic telescoping rod 92. The microswitch 62 is electrically connected with the hydraulic telescopic rod 92, when the microswitch 62 is triggered, the hydraulic telescopic rod 92 starts to work, and when the microswitch 62 releases the limitation, the hydraulic telescopic rod 92 stops working.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides an elevator overspeed governor, includes bottom plate (1), the top fixedly connected with support frame (2) of bottom plate (1), the top of support frame (2) is provided with rim plate (3), the surface of rim plate (3) is provided with haulage rope (4), its characterized in that: the top fixedly connected with mounting bracket (5) of bottom plate (1), the top fixedly connected with detection device (6) of mounting bracket (5), the axle center department fixedly connected with connecting axle (7) of rim plate (3), connecting axle (7) rotate with support frame (2) and are connected, connecting axle (7) are connected with detection device (6), the top fixedly connected with mount (8) of bottom plate (1), the tip of mount (8) is provided with decelerator (9), decelerator (9) are corresponding with rim plate (3) surface.

2. An elevator governor in accordance with claim 1, wherein: detection device (6) are including fixed frame (61), fixed frame (61) and mounting bracket (5) fixed connection, the angle such as inner wall of fixed frame (61) is provided with micro-gap switch (62), micro-gap switch (62) and decelerator (9) electric connection.

3. An elevator governor according to claim 2, characterized in that: connecting axle (7) are located inside one end fixedly connected with rolling disc (63) of fixed frame (61), the inside sliding connection of rolling disc (63) has motion pole (64), the tip fixedly connected with connecting block (65) of motion pole (64), the one end fixedly connected with guide pulley frame (68) of connecting block (65) is kept away from in motion pole (64), the surface of guide pulley frame (68) is provided with guide pulley (69), guide pulley (69) are corresponding with the inner wall of fixed frame (61), the fixed surface of connecting block (65) is connected with reset spring (610), reset spring (610) cup joint with motion pole (64).

4. An elevator governor according to claim 3, characterized in that: the fixed surface of connecting block (65) is connected with retainer plate (66), the inside fixedly connected with metal ball (67) of retainer plate (66).

5. An elevator governor according to any of claims 2-4, characterized in that: decelerator (9) are including mounting panel (91), mounting panel (91) and mount (8) fixed connection.

6. An elevator governor according to claim 5, characterized in that: the surface fixed connection of mounting panel (91) has hydraulic pressure telescopic rod (92), the output fixedly connected with spacing frame (93) of hydraulic pressure telescopic rod (92).

7. The elevator governor of claim 6, wherein: the utility model discloses a spacing frame, including spacing frame (93), guide rod (94) and mounting panel (91), guide rod (94) and the one end fixedly connected with dog (95) of spacing frame (93) are kept away from to guide rod (94).

8. An elevator governor in accordance with claim 7, wherein: the surface of the limiting frame (93) is fixedly connected with a supporting spring (96), the limiting frame (93) is fixedly connected with a speed reducing block (97) through the supporting spring (96), and the speed reducing block (97) corresponds to the wheel disc (3).

9. The elevator governor of claim 8, wherein: the lateral wall fixedly connected with connecting rod (98) of speed reduction piece (97), supporting spring (96) cup joints with connecting rod (98), connecting rod (98) and spacing frame (93) sliding connection, connecting rod (98) are located the inside one end fixedly connected with supporting shoe (99) of spacing frame (93).

10. An elevator governor according to any of claims 6-9, characterized in that: the micro switch (62) is electrically connected with the hydraulic telescopic rod (92).