CN217051174U - High-stability anti-drop-groove elevator guide diversion sheave - Google Patents
High-stability anti-drop-groove elevator guide diversion sheave Download PDFInfo
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- CN217051174U CN217051174U CN202220580915.4U CN202220580915U CN217051174U CN 217051174 U CN217051174 U CN 217051174U CN 202220580915 U CN202220580915 U CN 202220580915U CN 217051174 U CN217051174 U CN 217051174U
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Abstract
The utility model relates to the technical field of elevator accessories and discloses a high-stability anti-drop groove elevator guide diversion sheave which comprises a fixed frame and a sheave body, wherein the bottom of the inner side wall of the fixed frame is fixedly provided with a speed monitor; the fixed pneumatic cylinder that is equipped with in top of mount, the fixed holding down plate that is equipped with in piston rod end of pneumatic cylinder, the bottom both sides of holding down plate are all fixed and are equipped with the depression bar, the both sides top of wheel body all is equipped with the splint that correspond with the depression bar position, two splint all fix towards one side of wheel body and are equipped with the piece of stopping, one side that two splint deviate from all fixes and is equipped with the telescopic link, and the other end of telescopic link and the inside wall fixed connection of mount, the pole wall cover of telescopic link is equipped with the spring, and the both ends of spring respectively with the lateral wall of splint and the inside wall fixed connection of mount, be equipped with the top action mechanism between depression bar and the splint. The utility model discloses can play the effect of speed limit to the wheel body, effectively avoid the risk of taking off the groove, guarantee the high stable operation of elevator.
Description
Technical Field
The utility model relates to an elevator accessory technical field especially relates to a high stable anticreep groove elevator direction diverting pulley.
Background
With the increase of high-rise buildings, people go to and fro to the high-rise buildings through elevators, and the elevators become an indispensable part of people's lives. The main function of the traction system is to output and transmit power to make the elevator run, and the traction system is an important part of the elevator, and the diversion sheave is an important component of the traction system.
Under the condition that the current running speed of the elevator exceeds a preset speed threshold value, the rotating speed of the diversion sheave is very high, and the phenomenon of rope separation easily occurs in the diversion sheave rotating at a high speed, so that the stable running of the elevator cannot be ensured, and certain safety risk exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the phenomenon of rope separation easily appears in the high-speed rotatory diverting pulley among the prior art, and the high stable anticreep groove elevator direction diverting pulley that provides.
In order to realize the purpose, the utility model adopts the following technical scheme:
a high-stability anti-drop groove elevator guide diversion sheave comprises a fixed frame and a wheel body, wherein the wheel body is rotatably arranged inside the fixed frame through a rotating shaft, and the bottom of the inner side wall of the fixed frame is fixedly provided with a speed monitor;
the fixed pneumatic cylinder that is equipped with in top of mount, the fixed holding down plate that is equipped with in piston rod end of pneumatic cylinder, the bottom both sides of holding down plate are all fixed and are equipped with the depression bar, the both sides top of wheel body all be equipped with the splint that the depression bar position corresponds down, two splint orientation one side of wheel body is all fixed and is equipped with the piece of stopping, two one side that the splint deviate from all is fixed and is equipped with the telescopic link, and the other end of telescopic link with the inside wall fixed connection of mount, the pole wall cover of telescopic link is equipped with the spring, and the both ends of spring respectively with the lateral wall of splint and the inside wall fixed connection of mount, the depression bar with be equipped with between the splint and push up the moving mechanism.
Preferably, the jacking mechanism comprises a top seat, the top seat is fixedly arranged at the top of the clamping plate, a trapezoidal groove is formed in the top of the top seat, and the lower end of the lower pressing rod extends to the inside of the trapezoidal groove and is abutted to the inclined plane of the trapezoidal groove.
Preferably, the lower end of the lower pressing rod is rotatably provided with a roller, and the wall of the roller is arranged on the inclined plane of the trapezoidal groove in a rolling manner.
Preferably, both sides of holding down plate all are fixed and are equipped with the stopper, the both sides inner wall of mount all seted up with stopper matched with spacing groove.
Preferably, the brake sheet is a carbon steel sheet.
Preferably, the speed monitor and the hydraulic cylinder are both connected with an elevator control system.
Compared with the prior art, the utility model provides a high stable anticreep groove elevator direction diverting pulley possesses following beneficial effect:
1. the high-stability anti-drop-groove elevator guide diversion sheave has the advantages that the speed monitor is arranged on the fixing frame, the speed monitor can monitor the rotating speed of the sheave body at any time and transmit the speed value to an elevator control system.
2. This high stable anticreep groove elevator direction diverting pulley, through the pneumatic cylinder that is equipped with, the holding down plate, the depression bar, splint, the piece of stopping, the telescopic link, spring and footstock, when the rotation rate of wheel body is higher, elevator control system can drive the work of pneumatic cylinder, the pneumatic cylinder stretches out and makes holding down plate and depression bar move down simultaneously, the lower extreme of depression bar removes in the dovetail groove of footstock down, because the lateral wall slope in dovetail groove sets up, thereby can promote the direction removal of footstock towards the wheel body and make the piece of stopping on the splint contact with the lateral wall of wheel body, and then can play the effect of speed limit to the wheel body, effectively avoid the risk of anticreep groove.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can play the effect of speed limit to the wheel body, effectively avoid the risk of taking off the groove, guarantee the high stable operation of elevator.
Drawings
Fig. 1 is a schematic structural view of a high-stability anti-drop-out elevator guide diverting pulley provided by the utility model;
fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure: the device comprises a fixing frame 1, a wheel body 2, a rotating shaft 3, a speed monitor 4, a hydraulic cylinder 5, a lower pressing plate 6, a lower pressing rod 7, a clamping plate 8, a brake plate 9, a telescopic rod 10, a spring 11, a top seat 12, a trapezoidal groove 13, a roller 14, a limiting block 15 and a limiting groove 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, 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.
Referring to fig. 1, the high-stability anti-drop groove elevator guide diversion sheave comprises a fixed frame 1 and a sheave body 2, wherein the sheave body 2 is rotatably arranged inside the fixed frame 1 through a rotating shaft 3, a speed monitor 4 is fixedly arranged at the bottom of the inner side wall of the fixed frame 1, and the speed monitor 4 is connected with an elevator control system;
the top of the fixing frame 1 is fixedly provided with a hydraulic cylinder 5, the hydraulic cylinder 5 is connected with an elevator control system, the tail end of a piston rod of the hydraulic cylinder 5 is fixedly provided with a lower pressing plate 6, two sides of the bottom of the lower pressing plate 6 are respectively and fixedly provided with a lower pressing rod 7, the tops of two sides of the wheel body 2 are respectively provided with a clamping plate 8 corresponding to the lower pressing rod 7, one side of each of the two clamping plates 8, which faces the wheel body 2, is respectively and fixedly provided with a brake piece 9, and the brake piece 9 is made of a carbon steel sheet, so that the service life of the brake piece 9 can be prolonged; one side that two splint 8 deviate from mutually all fixedly is equipped with telescopic link 10, and the other end of telescopic link 10 and the inside wall fixed connection of mount 1, and the pole wall cover of telescopic link 10 is equipped with spring 11, and spring 11's both ends respectively with splint 8's the lateral wall and mount 1's inside wall fixed connection, be equipped with between lower depression bar 7 and the splint 8 and push up moving mechanism.
Referring to fig. 2, the pushing mechanism includes a top seat 12, the top seat 12 is fixedly disposed on the top of the clamping plate 8, a trapezoidal groove 13 is formed in the top of the top seat 12, and the lower end of the lower pressing rod 7 extends into the trapezoidal groove 13 and abuts against an inclined surface of the trapezoidal groove 13; the lower end of the lower pressing rod 7 is rotatably provided with a roller 14, the wall of the roller 14 is arranged on the inclined surface of the trapezoidal groove 13 in a rolling manner, and the roller 14 can reduce the friction resistance between the lower pressing rod 7 and the trapezoidal groove 13, so that the top seat 12 can be conveniently pushed to move.
Referring to fig. 1, both sides of holding down plate 6 are all fixed and are equipped with stopper 15, and the both sides inner wall of mount 1 has all been seted up with stopper 15 matched with spacing groove 16, and stopper 15 can increase the stability that holding down plate 6 reciprocated at the inside removal of spacing groove 16.
In the utility model, when in use, when the rotation speed of the wheel body 2 is high, the speed monitor 4 can detect the rotation speed of the wheel body 2 and transmit the speed value to the elevator control system, the elevator control system drives the hydraulic cylinder 5 to work, the hydraulic cylinder 5 stretches out to make the lower pressing plate 6 and the lower pressing rod 7 move downwards simultaneously, the lower end of the lower pressing rod 7 moves in the trapezoidal groove 13 of the top seat 12, and the side wall of the trapezoidal groove 13 is obliquely arranged, so that the top seat 12 can be pushed to move towards the direction of the wheel body 2 and the brake sheet 9 on the clamp plate 8 is contacted with the side wall of the wheel body 2, and the speed limiting function can be further realized on the wheel body, and the risk of groove separation is effectively avoided; when the speed of the wheel body 2 is within a reasonable range, the hydraulic cylinder 5 retracts, the clamping plate 8 enables the brake sheet 9 to be separated from the side wall of the wheel body 2 through the elastic force of the spring 11, and the speed limiting action is relieved at the moment.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. A high-stability anti-drop-groove elevator guide diversion sheave comprises a fixed frame (1) and a sheave body (2), and is characterized in that the sheave body (2) is rotatably arranged in the fixed frame (1) through a rotating shaft (3), and the bottom of the inner side wall of the fixed frame (1) is fixedly provided with a speed monitor (4);
a hydraulic cylinder (5) is fixedly arranged at the top of the fixed frame (1), a lower pressing plate (6) is fixedly arranged at the tail end of a piston rod of the hydraulic cylinder (5), both sides of the bottom of the lower pressing plate (6) are fixedly provided with lower pressing rods (7), both tops of both sides of the wheel body (2) are provided with clamping plates (8) corresponding to the lower pressing rods (7), one side of each of the two clamping plates (8) facing the wheel body (2) is fixedly provided with a brake sheet (9), one side of each of the two clamping plates (8) deviating from the wheel body is fixedly provided with a telescopic rod (10), the other end of the telescopic rod (10) is fixedly connected with the inner side wall of the fixed frame (1), a spring (11) is sleeved on the rod wall of the telescopic rod (10), and two ends of the spring (11) are respectively fixedly connected with the side wall of the clamping plate (8) and the inner side wall of the fixing frame (1), and a jacking mechanism is arranged between the lower pressing rod (7) and the clamping plate (8).
2. The elevator guide pulley with high stability and anti-disengaging performance as claimed in claim 1, wherein the pushing mechanism comprises a top seat (12), the top seat (12) is fixedly arranged on the top of the clamping plate (8), a trapezoidal groove (13) is formed on the top of the top seat (12), and the lower end of the lower pressing rod (7) extends into the trapezoidal groove (13) and is arranged against the inclined surface of the trapezoidal groove (13).
3. The highly stable anti-derailment elevator guide pulley according to claim 2, wherein the lower end of the lower pressing rod (7) is rotatably provided with a roller (14), and the wall of the roller (14) is rotatably provided on the inclined surface of the trapezoidal groove (13).
4. The high-stability anti-groove-falling elevator guide diverting pulley according to claim 1, characterized in that both sides of the lower pressing plate (6) are fixedly provided with a limit block (15), and both inner walls of both sides of the fixed frame (1) are provided with limit grooves (16) matched with the limit blocks (15).
5. The high-stability anti-derailment elevator guide pulley according to claim 1, wherein the brake sheet (9) is made of carbon steel sheet.
6. A highly stable anticreep groove elevator diverting pulley according to claim 1, characterized in that, the speed monitor (4) and the hydraulic cylinder (5) are connected with the elevator control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220580915.4U CN217051174U (en) | 2022-03-17 | 2022-03-17 | High-stability anti-drop-groove elevator guide diversion sheave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220580915.4U CN217051174U (en) | 2022-03-17 | 2022-03-17 | High-stability anti-drop-groove elevator guide diversion sheave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217051174U true CN217051174U (en) | 2022-07-26 |
Family
ID=82490726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220580915.4U Active CN217051174U (en) | 2022-03-17 | 2022-03-17 | High-stability anti-drop-groove elevator guide diversion sheave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217051174U (en) |
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2022
- 2022-03-17 CN CN202220580915.4U patent/CN217051174U/en active Active
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