CN208994900U - A kind of elevator underbeam shift mechanism - Google Patents
A kind of elevator underbeam shift mechanism Download PDFInfo
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- CN208994900U CN208994900U CN201821795248.1U CN201821795248U CN208994900U CN 208994900 U CN208994900 U CN 208994900U CN 201821795248 U CN201821795248 U CN 201821795248U CN 208994900 U CN208994900 U CN 208994900U
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- underbeam
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- 210000000080 chela (arthropods) Anatomy 0.000 description 2
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- 230000004888 barrier function Effects 0.000 description 1
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model discloses a kind of elevator underbeam shift mechanisms, including underbeam and connecting plate, there are two the underbeam is set, two underbeam bottom ends are fixedly connected by connecting plate, left and right ends have been movably connected with linkage long axis and linkage short axle between on the inside of two underbeams, the linkage long axis front end rotation is connected on underbeam, underbeam is run through in the rear end of the linkage long axis, and connection is rotated between underbeam, lifting rod is fixedly connected on the left of the rear end of the linkage long axis, the middle of the linkage long axis is fixedly connected with yoke plate, the yoke plate lower end is connected with pulling plate by shaft rotation, the pulling plate right end is fixedly connected with screw rod one, one activity of screw rod runs through fixed plate, the fixed plate rear end is fixedly connected on underbeam, spring is arranged on one outer ring of screw rod on the right side of the fixed plate.The utility model is simple and reasonable, easy to install and use, and space utilization is reasonable, and low manufacture cost is practical.
Description
Technical field
The utility model relates to elevators fields, are specifically related to a kind of elevator underbeam shift mechanism.
Background technique
Safety tongs, is the indispensable safety component of elevator, and importance is suitable with the brake on automobile.In elevator downlink
When hypervelocity, safety tongs needs to act, and to reduce casualty accident caused by elevator overspeed descending, guarantees the personal safety of passenger.
Currently, one is upper lifting, another kind is lower lifting there are mainly two types of the movement lifting modes of elevator safety gear.
The safety tongs shift mechanism conventionally lifted is mounted on upper beam, and the upper beam of elevator generally has installation carriage diversion sheave,
In some special cases, the installation of shift mechanism is complex, is also possible to cause some influences to diversion sheave；On furthermore
Relatively far apart, intermediate connecting rod is long for the safety tongs on shift mechanism and car floor on beam, and shaking when elevator is run easily is led
Connecting rod and hoistway other component is caused to hit.And also specified in national standard, safety tongs must not electricity consumption air-liquid pressure or air-operated control dress
It sets to manipulate, it is remaining also there was only mechanical mechanism controls.The another kind lower shift mechanism lifted, the common underbeam that is mounted in
Side (conventional is rear side), can occupy a large amount of underbeam rear space, for transport and pit overhaul (especially numbers of small-sized wells
Road) it will all will cause big inconvenience, for this purpose, it is proposed that a kind of elevator underbeam shift mechanism.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of elevator underbeam shift mechanisms, solve existing elevator
The rear side that the shift mechanism of safety tongs is mounted on underbeam can occupy big quantity space, for transport and pit overhaul (especially small ruler
Very little hoistway) the problem of will all putting to no little inconvenience.
In order to solve the above technical problems, the utility model is the following technical schemes are provided: a kind of elevator underbeam shift mechanism, packet
Underbeam and connecting plate are included, there are two the underbeam is set, two underbeam bottom ends are fixedly connected by connecting plate, under two described
Left and right ends have been movably connected with linkage long axis and linkage short axle between on the inside of beam, and the linkage long axis front end rotation is connected to
On underbeam, underbeam is run through in the rear end of the linkage long axis, and connection is rotated between underbeam, and the rear end of the linkage long axis is left
Side is fixedly connected with lifting rod, and the middle of the linkage long axis is fixedly connected with yoke plate, and the yoke plate lower end is revolved by shaft
Turn to be connected with pulling plate, the pulling plate right end is fixedly connected with screw rod one, and one activity of screw rod runs through fixed plate, the fixed plate
Rear end is fixedly connected on underbeam, and spring, the spiral shell on the right side of the spring are arranged on one outer ring of screw rod on the right side of the fixed plate
Be movably installed with baffle on bar one, be connected through a screw thread respectively on the screw rod one on the left of the fixed plate and on the right side of baffle there are two
Lock nut, two lock nuts are fitted together, and the one right end end of screw rod is threadedly attached in Double-ended nut
Left end, the right end of the Double-ended nut has been connected through a screw thread screw rod two, and two right end of screw rod is fixedly connected with pull rod, institute
The right end for stating pull rod is connected to the upper end of yoke plate by shaft rotation, and the lower end of the yoke plate is fixedly connected in linkage short axle,
The both ends of the linkage short axle rotate respectively to be connected on two underbeam inner sidewalls, and the right middle of the linkage short axle is fixed to be connected
It is connected to right side lifting rod, place corresponding with right side lifting rod in linkage short axle is fixedly connected with a left side on the left of the linkage long axis
The outer end of side lifting rod, the left side lifting rod and right side lifting rod passes through shaft respectively and is connected with elevator safety gear.
On the basis of above scheme, the connecting plate be equipped with it is multiple, multiple connecting plates are uniformly fixedly connected on respectively
Two underbeam bottom ends.
On the basis of above scheme, the outer end end point of the lifting rod, which is run through, is equipped with wirerope mounting hole.
On the basis of above scheme, the screw rod one cooperates with fixed plate and barrier slides respectively.
On the basis of above scheme, the screw thread of the Double-ended nut left and right ends is respectively left hand thread and right-handed thread,
The screw rod one is equipped with the left hand thread being mutually matched with Double-ended nut, and the screw rod two is equipped with and Double-ended nut mutual
The right-handed thread matched.
On the basis of above scheme, the upper end of two elevator safety gears be integrally formed with respectively safety tongs draw ear, two
The safety tongs draws the upper end of ear to pass through shaft and left side lifting rod and the rotation connection of right side lifting rod respectively.
The utility model has the beneficial effect that a kind of elevator underbeam shift mechanism compared with prior art, using new
Structure, the shift mechanism of elevator safety gear is arranged in the inside of two underbeams, does not account for the useful space of other component, assembling letter
Single, when being mounted on underbeam, components are few, and lifting power is moderate, and speed limiter wire rope can be lifted flexibly, and suitability is strong, can be fitted
A plurality of upper lifting safety tongs with multiple producers, convenient transportation is not take up exceptional space directly with underbeam one, for transport
It all brings great convenience with pit overhaul (especially small size hoistway), the utility model is simple and reasonable, installs and uses
Convenient, space utilization is reasonable, low manufacture cost, practical.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of elevator underbeam shift mechanism of the utility model；
Fig. 2 is a kind of top view of elevator underbeam shift mechanism of the utility model；
Fig. 3 is state diagram when a kind of elevator underbeam shift mechanism of the utility model connects speed limiter wire rope.
Figure label are as follows: 1- underbeam, 2- connecting plate, 3- linkage long axis, 4- lifting rod, 401- wirerope mounting hole, 5- connection
Plate, 6- shaft, 7- pulling plate, 8- screw rod one, 9- fixed plate, 10- spring, 11- baffle, 12- lock nut, 13- Double-ended nut,
14- screw rod two, 15- pull rod, 16- linkage short axle, the left side 17- lifting rod, the right side 18- lifting rod, 19- elevator safety gear, 1901-
Safety tongs draws ear, 20- speed limiter wire rope.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
Referring to figs. 1 to known to Fig. 3: a kind of elevator underbeam shift mechanism, including underbeam 1 and connecting plate 2, the underbeam 1 are set
There are two, two 1 bottom ends of underbeam are fixedly connected by connecting plate 2, left and right ends difference between two 1 insides of underbeam
It is connected with linkage long axis 3 and linkage short axle 16,3 front end of the linkage long axis rotation is connected on underbeam 1, the linkage length
Underbeam 1 is run through in the rear end of axis 3, and connection is rotated between underbeam 1, is fixedly connected on the left of the rear end of the linkage long axis 3
The middle of lifting rod 4, the linkage long axis 3 is fixedly connected with yoke plate 5, and 5 lower end of yoke plate is connected with by the rotation of shaft 6
Pulling plate 7,7 right end of pulling plate are fixedly connected with screw rod 1, and one 8 activity of screw rod is after fixed plate 9, the fixed plate 9
End is fixedly connected on underbeam 1, and spring 10,10 right side of spring are arranged on one 8 outer ring of screw rod on 9 right side of fixed plate
Screw rod 1 on be movably installed with baffle 11, pass through spiral shell respectively on the screw rod 1 on 9 left side of fixed plate and 11 right side of baffle
Line connection is there are two lock nut 12, and two lock nuts 12 are fitted together, and lock nut 12 can be to one 8 He of screw rod
Baffle 11 is positioned, while lock nut 12 can turn the position on screw rod 1, so as to adjust screw rod 1 in fixation
The position of position and baffle 11 on screw rod 1 at plate 9, in order to use, the one 8 right end end of screw rod passes through screw thread
It is connected to the left end of Double-ended nut 13, the right end of the Double-ended nut 13 has been connected through a screw thread screw rod 2 14, the screw rod two
14 right ends are fixedly connected with pull rod 15, and the right end of the pull rod 15 rotates the upper end for being connected to yoke plate 5 by shaft 6, described
The lower end of plate 5 is fixedly connected in linkage short axle 16, and the both ends of the linkage short axle 16 rotate respectively to be connected in two underbeams 1
On side wall, the right middle of the linkage short axle 16 is fixedly connected with right side lifting rod 18,3 left side of linkage long axis and linkage
The right side corresponding place of lifting rod 18 is fixedly connected with left side lifting rod 17, the left side lifting rod 17 and right side in short axle 16
The outer end of lifting rod 18 passes through shaft 6 respectively and is connected with elevator safety gear 19.
The connecting plate 2 be equipped with it is multiple, multiple connecting plates 2 are uniformly fixedly connected on two 1 bottom ends of underbeam respectively, more
A connecting plate 2 is convenient for for two underbeams 1 being fixed together；The outer end end point of the lifting rod 4, which is run through, is equipped with wirerope
Mounting hole 401, wirerope mounting hole 401 are convenient for being fixedly connected with speed limiter wire rope 20；The screw rod 1 respectively with fixed plate 9
It is slidably matched with baffle 11, is moved in fixed plate 9 convenient for screw rod 1；The screw thread of 13 left and right ends of Double-ended nut is distinguished
For left hand thread and right-handed thread, the screw rod 1 is equipped with the left hand thread being mutually matched with Double-ended nut 13, the screw rod
2 14 are equipped with the right-handed thread being mutually matched with Double-ended nut 13, and Double-ended nut 13 is in rotation, screw rod 1 and screw rod 2 14
Can be mobile to 13 inside of Double-ended nut or outside simultaneously, it is conveniently adjusted the length of shift mechanism；Two elevator safeties
The upper end of pincers 19 is integrally formed with safety tongs respectively and draws ear 1901, and two safety tongs draw the upper end of ear 1901 to pass through shaft respectively
6 connect with left side lifting rod 17 and the rotation of right side lifting rod 18, and two elevator safety gears 19, which can act, realizes that lift car subtracts
Fast downlink.
The principles of the present invention and advantage: a kind of elevator underbeam shift mechanism, in use, two underbeams 1 are fixedly mounted
Installation underbeam in speed limiter wire rope 20(lift car lower end is fixedly connected in the bottom end of lift car, wirerope mounting hole 401
1 with speed limiter wire rope 20 is fixedly connected in wirerope mounting hole 401 is structure well-known to those skilled in the art, in not shadow
It is not described in detail in the case that sound this patent scheme is clear and complete), lift car, underbeam 1 and shift mechanism are declining
During, when excessive velocities, the limiter of speed of elevator will pull speed limiter wire rope 20, and speed limiter wire rope 20 can pull up
Lifting rod 4, lifting rod 4 will drive linkage long axis 3 and rotate, and linkage long axis 3 drives yoke plate 5 and left side lifting rod 17 to move, left side
Lifting rod 17 draws ear 1901 that elevator safety gear 19 is driven to act by shaft 6 and safety tongs, while yoke plate 5 will drive pulling plate 7, spiral shell
Yoke plate 5 in bar 1, Double-ended nut 13, screw rod 2 14, pull rod 15 and linkage short axle 16 moves, the yoke plate 5 in the short axle 16 that links
Linkage short axle 16 and right side lifting rod 18 is driven to rotate, right side lifting rod 18 draws ear 1901 to drive electricity by shaft 6 and safety tongs
Terraced safety tongs 19 acts, and when left side lifting rod 17 and right side lifting rod 18 drive two elevator safety gears 19 to act, realizes elevator
Carriage deceleration downlink, when screw rod 1 is pulled by pulling plate 7, lock nut 12 will drive 11 compressed spring 10 of baffle, work as elevator car
Compartment speed is normal, and when speed limiter wire rope 20 does not have pulling force to lifting rod 4, spring 10 can stretch under the action of elastic force,
Spring 10 will push the movement of 11 opposite direction of baffle, 12 lead-screw of lock nut, one 8 negative side that baffle 11 passes through 11 right side of baffle
To movement, screw rod 1 will drive lifting rod 4, linkage long axis 3, left side lifting rod 17, linkage long axis 3 on yoke plate 5, pulling plate 7,
Double-ended nut 13, screw rod 2 14, pull rod 15, the yoke plate 5 in linkage short axle 16, linkage short axle 16 and right side lifting rod 18 carry out instead
Direction movement, left side lifting rod 17 and right side lifting rod 18 draw ear 1901 to drive elevator safety by shaft 6 and safety tongs respectively
Pincers 19 carry out opposite direction movement, and elevator safety gear 19 will not generate active force to lift car, and lift car normally declines operation,
The shift mechanism of this patent is arranged between two underbeams 1, will not additional occupied space, (especially for transport and pit overhaul
It is small size hoistway) all bring great convenience, the utility model is simple and reasonable, and easy to install and use, space utilization is closed
Reason, low manufacture cost are suitble to promote the use of.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of elevator underbeam shift mechanism, including underbeam (1) and connecting plate (2), it is characterised in that: the underbeam (1) is equipped with
Two, two underbeam (1) bottom ends are fixedly connected by connecting plate (2), left and right ends between two underbeams (1) insides
It is movably connected with linkage long axis (3) and linkage short axle (16), the rotation of the linkage long axis (3) front end is connected to underbeam (1)
On, underbeam (1) is run through in the rear end of linkage long axis (3), and connection, the linkage long axis (3) are rotated between underbeam (1)
Rear end on the left of be fixedly connected with lifting rod (4), it is described linkage long axis (3) middle be fixedly connected with yoke plate (5), it is described
Plate (5) lower end is connected with pulling plate (7) by shaft (6) rotation, and pulling plate (7) right end is fixedly connected with screw rod one (8), described
Screw rod one (8) activity runs through fixed plate (9), and fixed plate (9) rear end is fixedly connected on underbeam (1), the fixed plate (9)
It is arranged with spring (10) on screw rod one (8) outer ring on right side, is movably installed with gear on the screw rod one (8) on the right side of the spring (10)
Plate (11), is connected through a screw thread that there are two lockings on the screw rod one (8) on the left of the fixed plate (9) and on the right side of baffle (11) respectively
Nut (12), two lock nuts (12) are fitted together, and screw rod one (8) the right end end is threadedly attached in double
The left end of head nut (13), the right end of the Double-ended nut (13) have been connected through a screw thread screw rod two (14), the screw rod two
(14) right end is fixedly connected with pull rod (15), and the right end of the pull rod (15) is connected to the upper of yoke plate (5) by shaft (6) rotation
End, the lower end of the yoke plate (5) are fixedly connected in linkage short axle (16), and the both ends of linkage short axle (16) rotate company respectively
It connects on two underbeam (1) inner sidewalls, the right middle of linkage short axle (16) is fixedly connected with right side lifting rod (18), institute
It states place corresponding with right side lifting rod (18) in linkage short axle (16) on the left of linkage long axis (3) and is fixedly connected with left side lifting
The outer end of bar (17), the left side lifting rod (17) and right side lifting rod (18) passes through shaft (6) respectively and is connected with elevator
Safety tongs (19).
2. a kind of elevator underbeam shift mechanism according to claim 1, which is characterized in that the connecting plate (2) is equipped with more
A, multiple connecting plates (2) are uniformly fixedly connected on two underbeam (1) bottom ends respectively.
3. a kind of elevator underbeam shift mechanism according to claim 1, which is characterized in that the outer end of the lifting rod (4)
End point, which is run through, is equipped with wirerope mounting hole (401).
4. a kind of elevator underbeam shift mechanism according to claim 1, which is characterized in that the screw rod one (8) respectively with
Fixed plate (9) and baffle (11) are slidably matched.
5. a kind of elevator underbeam shift mechanism according to claim 1, which is characterized in that Double-ended nut (13) left and right
The screw thread at both ends is respectively left hand thread and right-handed thread, and the screw rod one (8) is equipped with and is mutually matched with Double-ended nut (13)
Left hand thread, the screw rod two (14) is equipped with the right-handed thread that is mutually matched with Double-ended nut (13).
6. a kind of elevator underbeam shift mechanism according to claim 1, which is characterized in that two elevator safety gears
(19) upper end is integrally formed with safety tongs respectively and draws ear (1901), and two safety tongs draw the upper end of ear (1901) to pass through respectively
Shaft (6) and left side lifting rod (17) and right side lifting rod (18) rotation connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821795248.1U CN208994900U (en) | 2018-11-02 | 2018-11-02 | A kind of elevator underbeam shift mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821795248.1U CN208994900U (en) | 2018-11-02 | 2018-11-02 | A kind of elevator underbeam shift mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208994900U true CN208994900U (en) | 2019-06-18 |
Family
ID=66806126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821795248.1U Active CN208994900U (en) | 2018-11-02 | 2018-11-02 | A kind of elevator underbeam shift mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN208994900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498760A (en) * | 2020-05-28 | 2020-08-07 | 无锡瑞吉德机械有限公司 | Stepless telescopic large-load elevator mounting platform |
-
2018
- 2018-11-02 CN CN201821795248.1U patent/CN208994900U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498760A (en) * | 2020-05-28 | 2020-08-07 | 无锡瑞吉德机械有限公司 | Stepless telescopic large-load elevator mounting platform |
| CN111498760B (en) * | 2020-05-28 | 2024-08-30 | 无锡瑞吉德机械有限公司 | Large-load elevator installation platform capable of stepless telescoping |
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