CN221116575U - Elevator overspeed governor with take-up pulley structure - Google Patents
Elevator overspeed governor with take-up pulley structure Download PDFInfo
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- CN221116575U CN221116575U CN202323211309.9U CN202323211309U CN221116575U CN 221116575 U CN221116575 U CN 221116575U CN 202323211309 U CN202323211309 U CN 202323211309U CN 221116575 U CN221116575 U CN 221116575U
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- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to the technical field of elevator speed limiters, in particular to an elevator speed limiter with a tensioning wheel structure, which comprises a speed limiter shell, wherein two mounting blocks are fixed on the lower surface of the speed limiter shell in the vertical direction, tensioning motors are fixed on the side walls of the two mounting blocks through bolts, a power output shaft of each tensioning motor penetrates through the mounting block to be connected with a screw rod, the outer surface of the screw rod is in threaded connection with a threaded pipe, a mounting piece is fixed at the tail end of the threaded pipe, and a tensioning wheel body is arranged in the mounting piece. According to the utility model, the screw rod can be driven to rotate through the tensioning motor arranged on the mounting block, so that the mounting piece is driven to move, the water level of the tensioning wheel body can be adjusted, the speed limiting ropes at the two ends are pushed to be close to each other when the tensioning wheel body moves, the friction between the speed limiting ropes and the speed limiter body is increased, the slipping is avoided, the braking stability is improved, and the tensioning of the speed limiting ropes is convenient to adjust.
Description
Technical Field
The utility model relates to the technical field of elevator speed limiters, in particular to an elevator speed limiter with a tensioning wheel structure.
Background
The elevator speed limiter is the most important safety component for elevator operation, provides enough braking force for the safety gear when the elevator runs at overspeed, and is one of safety control components in an elevator safety protection system. When the elevator overspeed the elevator car and even falls for whatever reason during operation, and all other safety protection devices are not active, the elevator speed limiter and the safety tongs act in a linkage manner, so that the elevator car is stopped.
The patent specification with the bulletin number of CN216272556U discloses an elevator speed limiter, which comprises a bracket, a speed limiting shaft, a speed limiter rope wheel and a speed limiting assembly, wherein the speed limiting shaft is fixed on the bracket, the speed limiting assembly is connected with the speed limiting shaft, the speed limiter rope wheel is sleeved outside the speed limiting shaft and can rotate relative to the speed limiting shaft, the speed limiting assembly comprises a brake disc, a brake block, a ratchet wheel and a pawl, the ratchet wheel is close to the speed limiter rope wheel and is arranged at intervals with the speed limiter rope wheel, the brake block is positioned between the brake disc and the ratchet wheel, two side surfaces of the brake block are respectively attached to the brake disc and the ratchet wheel, the speed limiting shaft can circumferentially limit the brake disc, and the pawl is connected to the speed limiter rope wheel and can hook the ratchet wheel so as to brake the speed limiter rope wheel. The brake device can not abrade the steel wire rope in the braking process, so that the service life of the steel wire rope is prolonged, the structure is simple, and the cost can be reduced.
However, the elevator governor designed as described above has been found in the implementation related art to have the following problems: according to the technical scheme, the brake disc is abutted with the brake disc, the brake disc is abutted with the ratchet wheel, when the elevator overspeed runs, the ratchet wheel is clamped by the pawl, friction force is generated between the ratchet wheel and the brake disc through the brake disc, so that the speed limiter rope wheel is stopped, but when the elevator overspeed governor rope wheel is used, tension of a steel wire rope cannot be adjusted, for example, the friction force between the inside of a rope groove of the speed limiter and the steel wire rope is insufficient, the steel wire rope cannot slip, braking cannot be completed, and in view of the fact, the elevator overspeed limiter with the tensioning wheel structure is provided to overcome the defects.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides an elevator speed limiter with a tensioning wheel structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an elevator overspeed governor with take-up pulley structure, includes the overspeed governor shell, the vertical direction of lower surface of overspeed governor shell is fixed with two installation pieces, two the lateral wall of installation piece all is fixed with tensioning motor through the bolt, tensioning motor's power take-off shaft runs through the installation piece and is connected with the lead screw, the surface threaded connection of lead screw has the screwed pipe, the end fixed with installed part of screwed pipe, the inside of installed part is settled there is the tensioning wheel body, the equal cover in both ends of tensioning wheel body is equipped with the second bearing of inlaying the inner wall at the installed part.
As a further description of the above technical solution: the inside of overspeed governor shell is settled there is the overspeed governor body, the both ends of overspeed governor body all overlap and are equipped with the first bearing of fixing at overspeed governor shell inner wall, through the first bearing that sets up, can guarantee the smoothness nature when overspeed governor body rotates.
As a further description of the above technical solution: the installation groove has been seted up to the inside lower extreme of overspeed governor shell, the inside of installation groove is equipped with the speed limit rope of closely laminating with overspeed governor body outer wall, and in the rope groove on the overspeed governor body was placed to the speed limit rope, passed the installation groove respectively with the both ends of speed limit rope, made the both ends of speed limit rope be in the inner wall of two tensioning wheel bodies respectively.
As a further description of the above technical solution: the fixed blocks are fixed at the two ends of the mounting piece, the guide rods penetrating through the mounting piece are fixed on one side of the fixed blocks, and the guide rods fixed on the fixed blocks can play a role in guiding.
As a further description of the above technical solution: the speed limiter is characterized in that mounting plates are fixed at two ends of the speed limiter shell, two fixing bolts are mounted in the mounting plates, and the speed limiter shell is fixed by the fixing bolts through the mounting plates on the speed limiter shell, so that the speed limiter is assembled.
As a further description of the above technical solution: the outer wall of the speed limiter shell is provided with the exciter, the exciter is connected with the speed limiter shell through bolts, and when the elevator moves at an excessive speed, the exciter is started to brake the speed limiter body, so that the speed limiter is protected.
As a further description of the above technical solution: the screw rod and the tensioning motor form a rotating structure, the speed limiter body forms the rotating structure through the first bearing and the speed limiter shell, and automatic driving adjustment can be realized through the tensioning motor, manual adjustment is not needed, and the speed limiter is convenient to use.
The utility model has the following beneficial effects:
According to the elevator speed limiter with the tensioning wheel structure, the tensioning motor arranged on the mounting block can drive the screw rod to rotate, so that the mounting piece is driven to move, the water position of the tensioning wheel body can be adjusted, the speed limiting ropes at two ends are pushed to be close to each other when the tensioning wheel body moves, friction between the speed limiting ropes and the speed limiter body is increased, slipping is avoided, braking stability is improved, and tensioning of the speed limiting ropes is convenient to adjust.
According to the elevator speed limiter with the tensioning wheel structure, the guiding effect can be achieved through the guide rods fixed on the fixing blocks; the speed limiter is assembled by fixing the speed limiter shell through a mounting plate on the speed limiter shell and using a fixing bolt; through the exciter that sets up, when elevator movement speed is too fast, the exciter starts, brakes the overspeed governor body to protect.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the governor housing of the present utility model;
FIG. 3 is a schematic perspective view of the governor housing of the present utility model;
Fig. 4 is an enlarged view of the utility model at a in fig. 2.
Legend description:
1. A speed limiter housing; 2. a speed limiter body; 3. a first bearing; 4. a mounting groove; 5. a speed limiting rope; 6. a mounting block; 7. tensioning a motor; 8. a screw rod; 9. a threaded tube; 10. a mounting member; 11. tensioning the wheel body; 12. a second bearing; 13. a fixed block; 14. a guide rod; 15. a mounting plate; 16. a fixing bolt; 17. an exciter.
Detailed Description
Referring to fig. 1-4, the utility model provides an elevator speed limiter with a tensioning wheel structure: including overspeed governor housing 1, the vertical direction of lower surface of overspeed governor housing 1 is fixed with two installation pieces 6, the lateral wall of two installation pieces 6 all is fixed with tensioning motor 7 through the bolt, tensioning motor 7's power output shaft runs through installation piece 6 and is connected with lead screw 8, the surface threaded connection of lead screw 8 has screwed pipe 9, the end of screwed pipe 9 is fixed with installed part 10, the inside of installed part 10 is settled there is tensioning wheel body 11, the both ends of tensioning wheel body 11 all overlap and are equipped with the second bearing 12 of inlaying at the inner wall of installed part 10, tensioning motor 7 through setting up on the installation piece 6 can drive lead screw 8 and rotate, thereby drive the installed part 10 motion, can adjust the water position of tensioning wheel body 11, the speed limit rope 5 at promotion both ends is close to each other when tensioning wheel body 11 removes, make the frictional force between speed limit rope 5 and the overspeed governor body 2 increase, thereby avoid taking place the condition of skidding, the stability of braking is improved, the tensioning of speed limit rope 5 is convenient for adjust.
As a further embodiment of the above technical solution: the inside of overspeed governor shell 1 is settled there is overspeed governor body 2, and the equal cover in both ends of overspeed governor body 2 is equipped with the first bearing 3 of fixing at overspeed governor shell 1 inner wall, through the first bearing 3 that sets up, can guarantee the smoothness nature when overspeed governor body 2 rotates.
As a further embodiment of the above technical solution: the mounting groove 4 has been seted up to the inside lower extreme of overspeed governor shell 1, and the inside of mounting groove 4 is equipped with the speed limit rope 5 of closely laminating with overspeed governor body 2 outer wall, and in the rope groove on the overspeed governor body 2 was placed to speed limit rope 5, passed mounting groove 4 respectively with the both ends of speed limit rope 5, made the both ends of speed limit rope 5 be in the inner wall of two tensioning wheel bodies 11 respectively.
As a further embodiment of the above technical solution: both ends of the mounting member 10 are fixed with a fixing block 13, one side of the fixing block 13 is fixed with a guide rod 14 penetrating through the mounting block 6, and the guide rod 14 fixed on the fixing block 13 can play a role in guiding.
During concrete implementation, before using this elevator overspeed governor with take-up pulley structure, install suitable position earlier with overspeed governor shell 1, tensioning motor 7 through setting up on the installation piece 6, can drive lead screw 8 and rotate, through fixed guide bar 14 on fixed block 13, can play the effect of direction, drive threaded connection's screwed pipe 9 and carry out horizontal movement when making lead screw 8 advance the rotation, thereby drive mounting 10 motion, can adjust the water level of tensioning wheel body 11 like this, promote the speed limit rope 5 at both ends to be close to each other when tensioning wheel body 11 removes, the frictional force that makes between speed limit rope 5 and the overspeed governor body 2 increases, thereby avoid taking place the condition of skidding, improve the stability of braking, be convenient for adjust the tensioning of speed limit rope 5, and the second bearing 12 of setting can guarantee tensioning wheel body 11 normal rotation.
As a further embodiment of the above technical solution: both ends of the speed limiter housing 1 are fixed with mounting plates 15, two fixing bolts 16 are mounted in the mounting plates 15, and the speed limiter housing 1 is fixed by the mounting plates 15 on the speed limiter housing 1 through the fixing bolts 16, so that the speed limiter is assembled.
As a further embodiment of the above technical solution: the outer wall of the speed limiter shell 1 is provided with an exciter 17, the exciter 17 is connected with the speed limiter shell 1 through bolts, and when the elevator moves at an excessive speed, the exciter 17 is started to brake the speed limiter body 2, so that protection is achieved.
As a further embodiment of the above technical solution: the screw rod 8 and the tensioning motor 7 form a rotating structure, the speed limiter body 2 forms the rotating structure through the first bearing 3 and the speed limiter shell 1, and automatic driving adjustment can be realized through the tensioning motor 7, manual adjustment is not needed, and the speed limiter is convenient to use.
During the implementation, through mounting panel 15 on the overspeed governor shell 1, use fixing bolt 16 to fix overspeed governor shell 1, thereby assemble this overspeed governor, place overspeed governor rope 5 in the rope groove on overspeed governor body 2, pass mounting groove 4 respectively with overspeed governor rope 5's both ends, make overspeed governor rope 5's both ends be in the inner wall of two tensioning wheel body 11 respectively, during the use, one end and the elevator connection of overspeed governor rope 5 are fixed, during the elevator operation, can drive overspeed governor rope 5 motion, make overspeed governor rope 5 drive overspeed governor body 2 rotate through frictional force, and smoothness when can guarantee overspeed governor body 2 rotation through the first bearing 3 that sets up, through the trigger 17 that sets up, when the elevator motion speed is too fast, trigger 17 starts, brake overspeed governor body 2, thereby protect.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. Elevator overspeed governor with take-up pulley structure, including overspeed governor shell (1), its characterized in that: the speed limiter is characterized in that two mounting blocks (6) are fixed to the lower surface of the speed limiter shell (1) in the vertical direction, tensioning motors (7) are fixed to the side walls of the mounting blocks (6) through bolts, a power output shaft of each tensioning motor (7) penetrates through each mounting block (6) to be connected with a screw rod (8), a threaded pipe (9) is connected to the outer surface of each screw rod (8) in a threaded mode, a mounting piece (10) is fixed to the tail end of each threaded pipe (9), a tensioning wheel body (11) is arranged in the mounting piece (10), and second bearings (12) embedded in the inner walls of the mounting pieces (10) are sleeved at two ends of each tensioning wheel body (11).
2. An elevator governor with a tension sheave structure as defined in claim 1, wherein: the speed limiter is characterized in that a speed limiter body (2) is arranged in the speed limiter shell (1), and first bearings (3) fixed on the inner wall of the speed limiter shell (1) are sleeved at two ends of the speed limiter body (2).
3. An elevator governor with a tension sheave structure as defined in claim 2, wherein: the speed limiter is characterized in that the lower end of the inside of the speed limiter shell (1) is provided with a mounting groove (4), and a speed limiting rope (5) tightly attached to the outer wall of the speed limiter body (2) is arranged in the mounting groove (4).
4. An elevator governor with a tension sheave structure as defined in claim 1, wherein: both ends of the mounting piece (10) are fixed with fixed blocks (13), and one side of the fixed block (13) is fixed with a guide rod (14) penetrating through the mounting piece (6).
5. An elevator governor with a tension sheave structure as defined in claim 1, wherein: both ends of the speed limiter shell (1) are fixed with mounting plates (15), and two fixing bolts (16) are arranged in the mounting plates (15).
6. An elevator governor with a tension sheave structure as defined in claim 1, wherein: an exciter (17) is arranged on the outer wall of the speed limiter shell (1), and the exciter (17) is connected with the speed limiter shell (1) through bolts.
7. An elevator governor with a tension sheave structure as defined in claim 2, wherein: a rotating structure is formed between the screw rod (8) and the tensioning motor (7), and the speed limiter body (2) forms a rotating structure with the speed limiter shell (1) through the first bearing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323211309.9U CN221116575U (en) | 2023-11-27 | 2023-11-27 | Elevator overspeed governor with take-up pulley structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323211309.9U CN221116575U (en) | 2023-11-27 | 2023-11-27 | Elevator overspeed governor with take-up pulley structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221116575U true CN221116575U (en) | 2024-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323211309.9U Active CN221116575U (en) | 2023-11-27 | 2023-11-27 | Elevator overspeed governor with take-up pulley structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221116575U (en) |
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2023
- 2023-11-27 CN CN202323211309.9U patent/CN221116575U/en active Active
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