CN207738257U - Device for preventing elevator from falling - Google Patents
Device for preventing elevator from falling Download PDFInfo
- Publication number
- CN207738257U CN207738257U CN201721756211.3U CN201721756211U CN207738257U CN 207738257 U CN207738257 U CN 207738257U CN 201721756211 U CN201721756211 U CN 201721756211U CN 207738257 U CN207738257 U CN 207738257U
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- CN
- China
- Prior art keywords
- diameter portion
- pin rod
- fixed plate
- fixed seat
- fixed
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Abstract
The utility model provides a kind of device for preventing elevator from falling, including the fixed plate being fixed on guide rail, and is fixed on the fixed seat of sedan-chair frame upper beam；Fixed seat sliding is connected with pin rod, and pin rod by, to far from fixed plate side, including small diameter portion, even transition and the large-diameter portion of coaxial arrangement successively close to fixed plate side；Small diameter portion diameter is less than large-diameter portion, and even transition smoothly extends to large-diameter portion by small diameter portion；Large-diameter portion slides in fixed seat, and is provided in fixed plate for the perforative lockhole of small diameter portion；Fixed seat is being equipped with UKS switches close to fixed plate side, and UKS switches include the switch contact being pressed on pin rod, and switch contact is moved forward and backward with pin rod and stretches up and down, and UKS switches control the opening and closing of elevator safety loop according to the flexible situation of switch contact.Device for preventing elevator from falling described in the utility model, being inserted into lockhole and UKS switch cutoff elevator safety loops, duplicate protection by pin rod prevents used during elevator falling.
Description
Technical field
The utility model belongs to elevators field, more particularly, to a kind of device for preventing elevator from falling.
Background technology
Currently, since the lift facilities such as the traction machine of machine-roomless lift and limiter of speed are arranged at elevator shaft top, because
This needs certain space for maintenance in elevator shaft, when the equipment such as traction machine and limiter of speed need maintenance, generally all uses
Independent inspection platform in hoistway is overhauled.
However, independent inspection platform is specially arranged in hoistway, the space in hoistway is not only occupied, but also corresponding
Increase installation machine-roomless lift cost.Therefore existing many inspection platforms are all flat using lift car as station people
Car is fixed in hoistway by platform, when maintenance by locking mechanism.Although but existing locking mechanism can be in safety
Enough satisfactions are obtained, but there are still many insufficient in operability.
Utility model content
In view of this, the utility model is directed to a kind of device for preventing elevator from falling, to prevent used during elevator falling.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of device for preventing elevator from falling, including the fixed plate that is fixed on guide rail, and it is fixed on the fixation of sedan-chair frame upper beam
Seat；Fixed seat sliding is connected with pin rod, and pin rod is by separate fixed plate side, including coaxial arrangement successively close to fixed plate side
Small diameter portion, even transition and large-diameter portion；Small diameter portion diameter is less than large-diameter portion, and even transition is smoothly extended to by small diameter portion
Large-diameter portion；Large-diameter portion slides in fixed seat, and is provided in fixed plate for the perforative lockhole of small diameter portion；Fixed seat is close to fixed
Plate side is equipped with UKS switches, and UKS switches include being pressed in switch contact on pin rod, switch contact be moved forward and backward with pin rod and
Flexible up and down, UKS switches control the opening and closing of elevator safety loop according to the flexible situation of switch contact.
Further, the fixed seat is provided with through-hole, and large-diameter portion is adapted with through-hole and is arranged in through-hole.
Further, the pin rod further includes the anti-delinking part for being located remotely from fixed plate one end, and the diameter of anti-delinking part is more than greatly
The diameter in diameter portion.
Further, screw is threaded on the large-diameter portion, screw is radially arranged along pin rod；Confession is provided in fixed seat
Two U-type grooves that screw is inserted into, two U-type grooves are respectively the preceding slot being transferred to for screw after small diameter portion is inserted into fixed plate, and
After small diameter portion deviates from fixed plate pit is transferred to for screw.
Further, the screw thread is connected with fixing nut, and fixing nut is connected on the wall surface of fixed seat.
Further, the switch contact is radially arranged along pin rod.
Further, the fixed seat is one without top rectangle box body.
Compared with the existing technology, device for preventing elevator from falling described in the utility model has the advantage that：
(1) pin rod described in the utility model, using the gradual increased set-up mode of diameter, relative to traditional fluting side
Formula saves cost convenient for mechanical processing.
(2) pin rod described in the utility model is provided with anti-delinking part and screw, to which pin is limited in fixed seat
It is interior, prevent pin rod from deviating from out of fixed seat.
(3) screw described in the utility model, is provided with fixing nut, prevents screw from deviating from from U-type groove because accidentally touching.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the device for preventing elevator from falling vertical view described in the utility model embodiment；
Fig. 2 is device for preventing elevator from falling front view under the preceding shifting state described in the utility model embodiment；
Fig. 3 is device for preventing elevator from falling front view under the rear shifting state described in the utility model embodiment.
Reference sign：
1, guide rail；2, sedan-chair frame upper beam；3, fixed plate；31, lockhole；4, fixed seat；41, through-hole；42, preceding slot；43, pit；
5, pin rod；51, small diameter portion；52, even transition；53, large-diameter portion；54, anti-delinking part；6, UKS is switched；61, switch contact；7, spiral shell
Nail；71, fixing nut.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of device for preventing elevator from falling, as shown in Figure 1, including the fixed plate 3 being fixed on guide rail 1, and be bolted
In the fixed seat 4 of sedan-chair frame upper beam 2.
Fixed seat 4 be one with steel plate bending be welded without top rectangle box body.Fixed seat 4 is close to fixed plate 3 one
Side and separate 3 side of fixed plate, are respectively provided with the through-hole 41 of coaxial arrangement.Fixed seat 4 is arranged with pin rod 5 in through-hole 41, to
Fixed seat 4 is connected with the sliding of pin rod 5.
In conjunction with shown in Fig. 2 and Fig. 3, pin rod 5 is by separate 3 side of fixed plate, including coaxial successively close to 3 side of fixed plate
Small diameter portion 51, even transition 52, large-diameter portion 53 and the anti-delinking part 54 of setting.51 diameter of small diameter portion is less than large-diameter portion 53, and puts down
Sliding transition part 52 is in a circular table shape, and large-diameter portion 53 is smoothly extended to by small diameter portion 51.And the diameter of anti-delinking part 54 is more than large-diameter portion 53
Diameter.Large-diameter portion 53 is adapted with the through-hole 41 of fixed seat 4, to which large-diameter portion 53 slides in fixed seat 4.And anti-delinking part 54
It can not be by through-hole 41, to prevent pin rod 5 to be detached from from fixed seat 4 close to 3 side of fixed plate.And it is provided in fixed plate 3 for small
51 perforative lockhole 31 of diameter portion.
Fixed seat 4 is being equipped with UKS switches 6 close to 3 side of fixed plate, and UKS switches 6 include the switch being pressed on pin rod 5
Contact 61.Switch contact 61 is moved with pin rod 5 and is stretched up and down along the radial setting of pin rod 5.When pin rod 5 moves forward, small diameter portion 51 is inserted
Enter fixed plate 3,61 systolic pressure of switch contact cuts off elevator safety loop on large-diameter portion 53, ensures that elevator can not be run；Work as pin
It is moved after bar 5, small diameter portion 51 exits fixed plate 3, and the elongation of switch contact 61 is pressed on small diameter portion 51, is connected to elevator safety loop, makes
Elevator can be with normal operation.And even transition 52 can the without hindrance switching between large-diameter portion 53 and small diameter portion 51.
Screw 7 is also threaded on large-diameter portion 53, screw 7 is along the radial setting of pin rod 5.It is provided in fixed seat 4 for screw 7
Two U-type grooves being inserted into, respectively preceding slot 42 and pit 43.After small diameter portion 51 is inserted into fixed plate 3, before screw 7 can be transferred to
In slot 42, fixed pin rod 5；And after small diameter portion 51 deviates from fixed plate 3, screw 7 can be transferred in pit 43, fixed pin rod 5.
Screw 7 is also threaded with fixing nut 71, and fixing nut 71 is connected on the wall surface of fixed seat 4, to prevent from tieing up
Shield personnel deviate from because accidentally touching from U-type groove.
The course of work is as follows：It after lift car stops to top layer, is lifted up screw 7 and moves forward again screw 7, because screw 7 is solid
It is scheduled on pin rod 5, link 5 forward motion of pin rod, pin rod 5 is inserted into the lockhole 31 in the fixed plate 3 of hoistway overhead, screw 7
It places downwards, is embedded into the preceding slot 42 of fixed seat 4, formed and fixed, it is therefore prevented that elevator falls, while the UKS switches 6 that link are cut
Disconnected elevator safety loop ensures that elevator can not be run, and duplicate protection installs the life safety of maintenance staff.When maintenance finishes,
Screw 7 is lifted up, is moved backward, pin rod 5 is made to exit 3 lockhole 31 of fixed plate, screw 7 is put back into original, adjusts UKS switches 6,
Reply elevator safety loop.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of device for preventing elevator from falling, it is characterised in that：Including the fixed plate (3) being fixed on guide rail (1), and it is fixed on
The fixed seat (4) of sedan-chair frame upper beam (2)；Fixed seat (4) sliding is connected with pin rod (5), and pin rod (5) is by close to fixed plate (3) side
To far from fixed plate (3) side, include small diameter portion (51), even transition (52) and the large-diameter portion (53) of coaxial arrangement successively；
Small diameter portion (51) diameter is less than large-diameter portion (53), and even transition (52) smoothly extends to large-diameter portion (53) by small diameter portion (51)；
Large-diameter portion (53) slides in fixed seat (4), and is provided in fixed plate (3) for small diameter portion (51) perforative lockhole (31)；It is fixed
Seat (4) is being equipped with UKS switches (6) close to fixed plate (3) side, and UKS switches (6) include that the switch being pressed on pin rod (5) touches
Head (61), switch contact (61) are moved forward and backward with pin rod (5) and stretch up and down, and UKS switchs (6) stretching according to switch contact (61)
Contracting situation controls the opening and closing of elevator safety loop.
2. device for preventing elevator from falling according to claim 1, it is characterised in that：Fixed seat (4) is provided with through-hole (41), major diameter
Portion (53) is adapted with through-hole (41) and is arranged in through-hole (41).
3. device for preventing elevator from falling according to claim 2, it is characterised in that：Pin rod (5) further includes being located remotely from fixation
The anti-delinking part (54) of plate (3) one end, the diameter of anti-delinking part (54) are more than the diameter of large-diameter portion (53).
4. device for preventing elevator from falling according to claim 1, it is characterised in that：Large-diameter portion is threaded with screw on (53)
(7), screw (7) is radially arranged along pin rod (5)；Two U-type grooves being inserted into for screw (7) are provided in fixed seat (4), two U-shaped
Slot is respectively the preceding slot (42) being transferred to for screw (7) after small diameter portion (51) is inserted into fixed plate (3), and when small diameter portion (51) is de-
Go out after fixed plate (3) and is transferred to pit (43) for screw (7).
5. device for preventing elevator from falling according to claim 4, it is characterised in that：Screw (7) is threaded with fixing nut
(71), fixing nut (71) is connected on the wall surface of fixed seat (4).
6. device for preventing elevator from falling according to claim 1, it is characterised in that：Switch contact (61) is radial along pin rod (5)
Setting.
7. device for preventing elevator from falling according to claim 1, it is characterised in that：Fixed seat (4) is one without top rectangular box
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721756211.3U CN207738257U (en) | 2017-12-15 | 2017-12-15 | Device for preventing elevator from falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721756211.3U CN207738257U (en) | 2017-12-15 | 2017-12-15 | Device for preventing elevator from falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207738257U true CN207738257U (en) | 2018-08-17 |
Family
ID=63118254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721756211.3U Expired - Fee Related CN207738257U (en) | 2017-12-15 | 2017-12-15 | Device for preventing elevator from falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207738257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203793A (en) * | 2019-05-22 | 2019-09-06 | 沃克斯电梯（中国）有限公司 | Overhauling elevator fall protection equipment |
-
2017
- 2017-12-15 CN CN201721756211.3U patent/CN207738257U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203793A (en) * | 2019-05-22 | 2019-09-06 | 沃克斯电梯（中国）有限公司 | Overhauling elevator fall protection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 Termination date: 20211215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |