CN217808119U - Elevator pit buffer - Google Patents
Elevator pit buffer Download PDFInfo
- Publication number
- CN217808119U CN217808119U CN202221832070.XU CN202221832070U CN217808119U CN 217808119 U CN217808119 U CN 217808119U CN 202221832070 U CN202221832070 U CN 202221832070U CN 217808119 U CN217808119 U CN 217808119U
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- damping
- wheel
- deceleration
- rod
- friction
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Abstract
The utility model discloses an elevator pit buffer device comprises a construction elevator main body, wherein the construction elevator main body is installed inside an elevator shaft, a plurality of adjusting ejector rods are installed on the side wall of the elevator shaft, the front ends of the adjusting ejector rods are fixedly connected with a guide rail, the other side of the guide rail is connected with a friction speed reducer, the friction speed reducer is fixedly installed on the side surface of the construction elevator main body, and the bottom of the elevator shaft is provided with a damping device; the utility model discloses a friction decelerator and guide rail's cooperation make its speed of falling reduce, rethread damping device's multistage buffering, and its security performance is guaranteed to the at utmost.
Description
Technical Field
The utility model relates to an elevator equipment field especially relates to an elevator pit buffer.
Background
Buffer such as buffer post or blotter are generally adopted in elevator bottom installation to construction elevator buffer, buffer need slow down the elevator railway carriage or compartment body and fall the huge impact that produces unusually, construction elevator is the installation in the construction and is used for transporting of goods and constructor, for avoiding construction elevator to take place the tenesmus occurence of failure in the use, national standard GB7588-2003 track must be at construction elevator installation safety tongs and buffer, and the short buffer performance of prior art's buffer stroke causes construction elevator car's damage or even leads to the incident easily.
In the prior art, a buffering mechanism is arranged at the bottom of a well of an elevator pit buffering device in CN201920098910.6, a buffering member is connected to the lower part, located in the elevator well, of a guide rail, and a rubber tray is connected to the upper end of the buffering member, so that rubber is easy to age, and the performance of the rubber is failed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the safety performance is not good due to the easy aging in the prior art, and providing an elevator pit buffer device.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an elevator pit buffer includes the construction elevator main part, the construction elevator main part is installed inside the elevartor shaft, install several adjustment ejector pin on the lateral wall of elevartor shaft, the front end and the guide rail fixed connection of adjustment ejector pin, guide orbital opposite side and friction decelerator are connected, friction decelerator fixed mounting is in the side of construction elevator main part, the bottom of elevartor shaft is provided with shock attenuation damping device, shock attenuation board is installed to shock attenuation damping device top, be provided with evenly distributed's buffer beam between shock attenuation board and the shock attenuation damping device.
Preferably, the shock absorption damping device comprises a shock absorption damping box, a shock absorption damping top plate, a one-way valve and a discharge hole; the damping box is a box body structure with the bottom and the side surface sealed, the check valve is installed at the bottom of the damping box and used for pressing damping liquid, the top of the damping box is provided with a damping top plate, the damping top plate and the inner side wall of the damping box are in sliding seal, a discharge hole is formed in the damping top plate, a buffer rod is installed on the damping top plate, a damping plate is installed at the top of the buffer rod, and the damping plate and the inner side wall of the damping box are in sliding fit.
Preferably, the adjusting ejector rod comprises an adjusting sleeve, an adjusting screw rod and a locking nut; the adjusting sleeve and the side wall of the elevator shaft are fixed to the side wall of the elevator shaft, a threaded hole is formed in the adjusting sleeve, and an adjusting screw rod is installed in the threaded hole and provided with a locking nut.
Preferably, the friction speed reducing device comprises a speed reducing wheel and a friction pressure increasing wheel; the deceleration wheel is connected with the guide rail in a contact mode, the deceleration wheel is installed at the front end of the deceleration wheel ejector rod, the deceleration wheel ejector rod is installed in the deceleration seat, a deceleration wheel spring is installed inside the deceleration seat, and the deceleration wheel spring is fixedly connected with one end of the deceleration wheel ejector rod.
Preferably, a pressure wheel rod is fixedly installed on the speed reducing wheel ejector rod, a friction pressure wheel is installed on the pressure wheel rod, the friction pressure wheel is in contact connection with the speed reducing wheel, a crank connecting rod is installed on the friction pressure wheel, the other end of the crank connecting rod is connected with a piston, the piston is installed in a piston groove inside a piston sleeve, the piston horizontally slides in a reciprocating mode along the piston groove, a speed reducing air valve is arranged on the piston sleeve, and the speed reducing air valve is communicated with the piston groove.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a friction decelerator and guide rail's cooperation makes its speed of tenesmus reduce, and its security performance is guaranteed to the at utmost to rethread damping device's multistage buffering.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the adjusting rod of the present invention;
FIG. 3 is a schematic structural view of the friction speed reducer of the present invention;
in the figure: the construction elevator comprises a construction elevator main body 1, a guide rail 2, an adjusting ejector rod 3, a friction speed reducer 4, a buffer rod 5, a damping device 6 and a damping plate 7; an adjusting sleeve 31, an adjusting screw 32 and a locking nut 33; a reduction gear 41, a reduction gear ejector rod 42, a reduction seat 43, a booster wheel rod 44, a reduction gear spring 45, a friction booster wheel 46, a crank connecting rod 47, a piston sleeve 48, a reduction air valve 49 and a piston 410; shock absorption damping case 61, shock absorption damping roof 62, check valve 63, discharge hole 64.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art.
1-3, including construction elevator main part 1, construction elevator main part 1 installs inside the elevartor shaft, install several adjustment ejector pin 3 on the lateral wall of elevartor shaft, the front end and the guide rail 2 fixed connection of adjustment ejector pin 3, the opposite side and the friction decelerator 4 of guide rail 2 are connected, friction decelerator 4 fixed mounting is in the side of construction elevator main part 1, the bottom of elevartor shaft is provided with damping device 6, damping plate 7 is installed to damping device 6 top, be provided with evenly distributed's buffer beam 5 between damping plate 7 and the damping device 6.
The shock absorption damping device 6 comprises a shock absorption damping box 61, a shock absorption damping top plate 62, a one-way valve 63 and a discharge hole 64; shock attenuation damping case 61 is bottom and side seal's box structure, check valve 63 is installed to shock attenuation damping case 61's bottom, check valve 63 is used for the damping fluid of impressing, shock attenuation damping case 61's top is provided with shock attenuation damping roof 62, shock attenuation damping roof 62 and shock attenuation damping case 61 inside wall sliding seal, be provided with discharge hole 64 on the shock attenuation damping roof 62, install buffer beam 5 on the shock attenuation damping roof 62, shock attenuation board 7 is installed at the top of buffer beam 5, shock attenuation board 7 and shock attenuation damping case 61 inside wall sliding fit.
When construction elevator main part 1 descends fast and contacts shock attenuation board 7, shock attenuation board 7 forms the buffering of first shock attenuation through buffer beam 5, and buffer beam 5 drives shock attenuation damping roof 62 downstream, and the inside damping fluid of shock attenuation damping box 61 forms the buffering of second time, realizes the multistage buffering.
The adjusting ejector rod 3 comprises an adjusting sleeve 31, an adjusting screw rod 32 and a locking nut 33; the adjusting sleeve 31 and the side wall of the elevator shaft are fixedly connected or embedded in the side wall of the elevator shaft through expansion bolts, a threaded hole is formed in the adjusting sleeve 31, a locking nut 33 is installed on an adjusting screw 32 installed in the threaded hole, and the locking nut 33 is used for fixing the length of the adjusting screw 32. The adjusting screw 32 is engaged with the adjusting sleeve 31 by means of a thread and uses a locking nut 33 for locking its length, changing the length and thus the vertical angle of the guide rail 2.
The adjusting ejector rods 3 are used for adjusting the vertical angle of the guide rail 2, and the angle of the guide rail can be adjusted through length adjustment of the vertical row of adjusting ejector rods 3, so that the friction force is increased in the descending process of the friction speed reducing device 4.
The friction speed reducing device 4 comprises a speed reducing wheel 41 and a friction pressure increasing wheel 46; the deceleration wheel 41 is in contact connection with the guide track 2, the deceleration wheel 41 is installed at the front end of the deceleration wheel mandril 42, the deceleration wheel mandril 42 is installed in the deceleration seat 43, the deceleration wheel spring 45 is installed inside the deceleration seat 43, and the deceleration wheel spring 45 is fixedly connected with one end of the deceleration wheel mandril 42.
Welded fastening installs pressure inlet wheel pole 44 on the gear reducer ejector pin 42, installs friction pressure inlet wheel 46 on the pressure inlet wheel pole 44, and friction pressure inlet wheel 46 and gear reducer 41 contact are connected, install crank connecting rod 47 on the friction pressure inlet wheel 46, the crank connecting rod 47 other end and piston 410 are connected, and piston 410 installs in the inside piston groove of piston bush 48, and piston 410 slides along piston groove level is reciprocal, the last speed reduction pneumatic valve 49 of having seted up of piston bush 48, speed reduction pneumatic valve 49 and piston groove communicate with each other. The friction pressure increasing wheel 46 drives the piston 410 to reciprocate through the crank connecting rod 47, so that air in the piston sleeve 48 is exhausted from the speed reducing air valve 49, and the higher the rotating speed of the friction pressure increasing wheel 46 is, the higher the damping generated by the friction pressure increasing wheel is, and the speed of the speed reducing wheel 41 can be rapidly reduced.
The construction elevator body 1 can be rapidly slowed down by the mutual friction arrangement of the deceleration wheel 41 and the guide rail 2.
The working principle is as follows: the angle of the guide rail 2 is changed by adjusting the ejector rod 3, the construction elevator body 1 is more prone to dropping after stalling and dropping, the guide rail 2 and the friction speed reducing device 4 have higher friction, the dropping speed of the construction elevator body is reduced firstly, and the construction elevator body 1 can be buffered in a multistage mode after dropping through the synergistic effect of the buffer rod 5, the damping device 6, the damping plate 7 and the like.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an elevator pit buffer, includes the construction elevator main part, the construction elevator main part is installed inside the elevartor shaft, a serial communication port, install several adjustment ejector pin on the lateral wall of elevartor shaft, the front end and the direction track fixed connection of adjustment ejector pin, the orbital opposite side of guide and friction decelerator are connected, friction decelerator fixed mounting is in the side of construction elevator main part, the bottom of elevartor shaft is provided with damping device, damping plate is installed to damping device top, be provided with evenly distributed's buffer beam between damping plate and the damping device.
2. An elevator pit buffer as claimed in claim 1, wherein the shock absorbing damper comprises a shock absorbing damper box, a shock absorbing damper top plate, a check valve, a drain hole; the damping box is of a box body structure with the bottom and the side faces sealed, the check valve is installed at the bottom of the damping box and used for pressing damping liquid, the damping top plate is arranged at the top of the damping box and is in sliding sealing with the inner side wall of the damping box, a discharge hole is formed in the damping top plate, a buffer rod is installed on the damping top plate, a damping plate is installed at the top of the buffer rod, and the damping plate is in sliding fit with the inner side wall of the damping box.
3. The elevator pit buffer of claim 1, wherein the adjusting ram comprises an adjusting sleeve, an adjusting screw, a locking nut; the adjusting sleeve and the side wall of the elevator shaft are fixed to the side wall of the elevator shaft, a threaded hole is formed in the adjusting sleeve, and an adjusting screw rod is installed in the threaded hole and provided with a locking nut.
4. An elevator pit buffer as claimed in claim 1 in which the friction deceleration means comprises a deceleration wheel, a friction booster wheel; the deceleration wheel is connected with the guide rail in a contact mode, the deceleration wheel is installed at the front end of the deceleration wheel ejector rod, the deceleration wheel ejector rod is installed in the deceleration seat, a deceleration wheel spring is installed inside the deceleration seat, and the deceleration wheel spring is fixedly connected with one end of the deceleration wheel ejector rod.
5. The elevator pit buffering device as recited in claim 4, wherein a pressure increasing wheel rod is fixedly mounted on the top rod of the speed reducing wheel, a friction pressure increasing wheel is mounted on the pressure increasing wheel rod and is in contact connection with the speed reducing wheel, a crank connecting rod is mounted on the friction pressure increasing wheel, the other end of the crank connecting rod is connected with a piston, the piston is mounted in a piston groove inside a piston sleeve, the piston horizontally reciprocates along the piston groove, and a speed reducing air valve is formed in the piston sleeve and is communicated with the piston groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221832070.XU CN217808119U (en) | 2022-07-17 | 2022-07-17 | Elevator pit buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221832070.XU CN217808119U (en) | 2022-07-17 | 2022-07-17 | Elevator pit buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217808119U true CN217808119U (en) | 2022-11-15 |
Family
ID=83965856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221832070.XU Active CN217808119U (en) | 2022-07-17 | 2022-07-17 | Elevator pit buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217808119U (en) |
-
2022
- 2022-07-17 CN CN202221832070.XU patent/CN217808119U/en active Active
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