CN208200056U - It is a kind of for overhauling the protective device of elevator - Google Patents
It is a kind of for overhauling the protective device of elevator Download PDFInfo
- Publication number
- CN208200056U CN208200056U CN201820602188.0U CN201820602188U CN208200056U CN 208200056 U CN208200056 U CN 208200056U CN 201820602188 U CN201820602188 U CN 201820602188U CN 208200056 U CN208200056 U CN 208200056U
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- China
- Prior art keywords
- rope
- block
- mounting rack
- cam
- pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
It is specifically a kind of for overhauling the protective device of elevator, including pressure rope cam, top rope block, speed limiter wire rope, fixed bracket, pressure rope cam mounting rack, top rope block mounting rack and ratchet mechanism the utility model relates to elevator technology field；The fixed bracket is fixedly mounted on the side wall of pit, and the fixed bracket is equipped with long guiding hole and lead screw；The pressure rope cam mounting rack is equipped with the first sliding block being slidably matched with long guiding hole, and the top rope block mounting rack is equipped with the second sliding block being slidably matched with long guiding hole, and the pressure rope cam mounting rack and top rope block mounting rack cooperate with threads of lead screw；The top rope block is mounted on the rope block mounting rack of top.The utility model elevator pit maintenance protective device have the beneficial effect that can quick and easy, labour-saving release the locking and switching state of pressure rope cam and top rope block to speed limiter wire rope, moreover it is possible to prevent cage guide from damaging, reduce maintenance cost.
Description
Technical field
It is specifically a kind of for overhauling the protective device of elevator the utility model relates to elevator technology field.
Background technique
Overhauling elevator personnel, which need often to enter elevator pit, carries out upkeep operation, before entering elevator pit, maintenance
Elevator can be switched to inspecting state by operating status by inspection switch by personnel, refer to elevator with outgoing call from exhaling in responding
It enables, to prevent passenger operation elevator.But lift car may decline suddenly because of a variety of causes, for example traction machine band-type brake loses
Effect, limiter of speed failure, electric fault and maloperation of service personnel etc., cause service personnel's injures and deaths.
Application No. is 201220253033.3 utility model patents to disclose a kind of elevator pit maintenance protective device, leads to
The position that hook adjusts cord-pressing block is crossed, when elevator operates normally, cord-pressing block hangs over the normal gear of hook, cord-pressing block free end
Farther out from speed limiter wire rope, there is sufficient gap between speed limiter wire rope and cord-pressing block, speed limiter wire rope can be free
Movement, when maintenance personal enters elevator pit, the movement gear that will first cord-pressing block be pressed to be fixed on hook, cord-pressing block is freely terminated
Nearly speed limiter wire rope makes cord-pressing block and the top rope pre- damp governor wirerope of block, if elevator declines suddenly, cord-pressing block and top
Clamping force increases between rope block, lifts safety tongs, safety tongs movement, stop elevator carriage, to guarantee elevator pit operation people
The safety of member.The elevator pit maintenance protective device have the disadvantage in that (1) if due to lift car improper decline and
Trigger protection device, cord-pressing block, speed limiter wire rope and top rope block can be locked under the action of frictional force, debug
Afterwards, it needs using using biggish external force to reset cord-pressing block, for example strikes back cord-pressing block in situ, arduously in such a way that hammer strikes
And cord-pressing block is easy to cause to damage；(2) it when the gear of switching hook, needs first to lift hook, then rotates cord-pressing block and right
Cord-pressing block is caught in by quasi- target card slot, is more troublesome；(3) fixed plate is fixedly connected with cage guide, in lift car decline
Moment of flexure can be generated to cage guide in the process, different from the Bidirectional-squeezing power that safety tongs generates cage guide, moment of flexure is easier
Cage guide is damaged, increases maintenance cost, influences the use of elevator from now on.
Utility model content
Purpose of the utility model is to solve above-mentioned the deficiencies in the prior art, provide a kind of for overhauling the guarantor of elevator
Protection unit presses the position of the pivot of rope cam by adjusting, and releases pressure rope cam and top rope block pair with quick and easy, labour-saving
The locking of speed limiter wire rope.
Technical problem to be solved in the utility model is realized using following technical scheme: a kind of for overhauling elevator
Protective device, including pressure rope cam, top rope block, speed limiter wire rope, fixed bracket, pressure rope cam mounting rack, top rope block installation
Frame and ratchet mechanism；The fixed bracket is fixedly mounted on the side wall of pit, and the fixed bracket is equipped in horizontal direction
Long guiding hole and lead screw, the end of the lead screw is equipped with knob；The pressure rope cam mounting rack is equipped with sliding with long guiding hole
First sliding block of dynamic cooperation, the top rope block mounting rack are equipped with the second sliding block being slidably matched with long guiding hole, the pressure rope
Cam mounting rack and top rope block mounting rack cooperate with threads of lead screw, and the lead screw can drive the first sliding block and second when rotating
Sliding block is opposite or moves backward；The top rope block is mounted on the rope block mounting rack of top；The pressure rope cam is articulated in pressure rope cam
On mounting rack, the ratchet mechanism includes ratchet, retaining pawl and tension spring, and the ratchet is mounted on the pivot of pressure rope cam,
The retaining pawl is articulated on pressure rope cam mounting rack, and the retaining pawl is kept in contact under the action of tension spring with ratchet；
The speed limiter wire rope be located at pressure rope cam and top rope block and between.
The technical solution of the utility model is also: top rope block mounting plate, the top are installed on the top rope block mounting rack
Rope block is slidably mounted on the rope block mounting plate of top by guide rod, is equipped with top between the top rope block and top rope block mounting plate
Rope spring.Using the technical program, braking distance is long, prevents cage guide from damaging because bearing excessively high load.
The technical solution of the utility model is also: the pressure rope cam and top rope block with speed limiter wire rope equipped with matching
Limiting slot.Using the technical program, when protective device is in off working state, speed limiter wire rope can move down along limiting slot
It moves and does not deviate by.
The technical solution of the utility model is also: the fixed bracket is bolted on the side wall for being mounted on pit.
Compared with the existing technology, the utility model be used for overhaul elevator protective device have the beneficial effect that (1) if
Due to lift car improper decline and trigger protection device, cord-pressing block, speed limiter wire rope and top rope block can be in frictional force
Under the action of be locked, after debugging, only need to turn knob, lead screw driving pressure rope cam mounting rack and top rope block mounting rack
A distance is moved backward along long guiding hole, can be unlocked, damage that is quick and easy, laborsaving and not will cause pressure rope cam
Wound；(2) when needing pressure rope cam being switched to operating position by off-position, pressure rope cam need to be only rotated forward, due to
Ratchet mechanism has unidirectional stopping function, therefore ratchet mechanism can prevent pressure rope cam from inverting under the effect of gravity,
When needing pressure rope cam return, need to only pull retaining pawl is detached from retaining pawl and ratchet, and pressure restricts cam in itself weight
It inverts and resets under the action of power, it is quick and easy and laborsaving；(3) fixed bracket is not connect with cage guide, therefore protective device quilt
Moment of flexure will not be generated to cage guide when triggering, prevent cage guide from damaging, reduce maintenance cost.
Detailed description of the invention
Fig. 1 is the main view of the off working state for the protective device that the utility model is used to overhaul elevator.
Fig. 2 is the top view of the off working state for the protective device that the utility model is used to overhaul elevator.
Fig. 3 is the rearview of the off working state for the protective device that the utility model is used to overhaul elevator.
Fig. 4 is the main view of the working condition for the protective device that the utility model is used to overhaul elevator.
Fig. 5 is the utility model for overhauling the main view when protective device of elevator releases locking state.
In figure: 1, pressure rope cam, 2, top rope block, 3, speed limiter wire rope, 4, fixed bracket, 5, pressure rope cam mounting rack,
6, top rope block mounting rack, 7, pit, 8, long guiding hole, 9, lead screw, 10, knob, the 11, first sliding block, the 12, second sliding block, 13, spine
Wheel, 14, retaining pawl, 15, tension spring, 16, top rope block mounting plate, 17, guide rod, 18, top rope spring, 19, limiting slot.
Specific embodiment
In order to clarify the technical characteristics of the invention, below according to attached drawing to specific embodiment of the present invention make into
One step explanation.
As shown in fig. 1~fig. 5, a kind of for overhauling the protective device of elevator, including pressure rope cam 1, top rope block 2, speed limit
Device wirerope 3, fixed bracket 4, pressure rope cam mounting rack 5, top rope block mounting rack 6 and ratchet mechanism.
Fixed bracket 4 is bolted on the side wall for being fixedly mounted on pit 7, and it is in level side that fixed bracket 4, which is equipped with,
To long guiding hole 8 and lead screw 9, the end of lead screw 9 is equipped with knob 10.
Pressure rope cam mounting rack 5 is equipped with the first sliding block 11 being slidably matched with long guiding hole 8, and top is restricted on block mounting rack 6
Equipped with the second sliding block 12 being slidably matched with long guiding hole 8, pressure rope cam mounting rack 5 and top restrict block mounting rack 6 with 9 spiral shell of lead screw
Line cooperation, lead screw 9 can drive the first sliding block 11 and the second sliding block 12 in opposite directions or reverse movement when rotating.
Top rope block 2 is mounted on the rope block mounting rack 6 of top, specifically, top rope block mounting plate 16 is installed on fixed bracket 4,
Top rope block 2 is slidably mounted on the rope block mounting plate 16 of top by guide rod 17, between top rope block 2 and top rope block mounting plate 16
Equipped with top rope spring 18.
Pressure rope cam 1 is articulated on pressure rope cam mounting rack 5, and ratchet mechanism includes ratchet 13, retaining pawl 14 and tension spring
15, ratchet 13 is mounted on the pivot of pressure rope cam 1, and retaining pawl 14 is articulated on pressure rope cam mounting rack 5, retaining pawl 14
It is kept in contact under the action of tension spring 15 with ratchet 13.
Speed limiter wire rope 3 is located between top rope block 2 and pressure rope cam 1, and the voussoir of speed limiter wire rope 3 and safety tongs connects
It connects.Pressure rope cam 1 and top rope block 2 are equipped with and the matched limiting slot 16 of speed limiter wire rope 3.
As shown in FIG. 1 to 3, it is in off working state for overhauling the protective device of elevator, lift car can decline, limit
Fast device wirerope 3 can slide up and down.
When service personnel enters pit overhaul, need for the protective device switching for being used to overhaul elevator to be in working condition,
Pressure rope cam 1 is rotated counterclockwise to operating position (as shown in Figure 4), point on partial contour line due to pressing cam 1 of restricting and its
The distance of pivot is gradually increased, therefore rope cam 1 is pressed to be gradually reduced at a distance from speed limiter wire rope 3, when 1 turn of cam of pressure rope
It moves to after operating position, speed limiter wire rope 3, which moves up, to be rotated counterclockwise with dynamic pressure rope cam 1, and speed limiter wire rope 3
Locking degree can with pressure rope cam 1 it is counterclockwise rotate and increase.During this, retaining pawl 14 prevents pressure rope cam 1
It rotates clockwise.
After maintenance, need that rope cam 1 will be pressed to reset, only need to pull retaining pawl 14 makes retaining pawl 14 and ratchet
13 are detached from, and pressure rope cam 1 inverts reset under the effect of gravity.
If due to lift car improper decline and trigger protection device, cord-pressing block 1, speed limiter wire rope 3 and top
Rope block 2 can be locked under the action of frictional force, after debugging, turn knob 10, the driving pressure rope cam installation of lead screw 9
Frame 5 and top rope block mounting rack 6 are along the reverse movement a distance of long guiding hole 8, and can unlock (as shown in Figure 5).
The embodiments of the present invention are elaborated above in conjunction with attached drawing, but the utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of make a variety of changes.
Claims (4)
1. a kind of for overhauling the protective device of elevator, including pressure rope cam (1), top rope block (2), speed limiter wire rope (3) and
Fixed bracket (4), it is characterised in that: further include pressure rope cam mounting rack (5), top rope block mounting rack (6) and ratchet mechanism；It is described
Fixed bracket (4) are fixedly mounted on the side wall of pit (7), and the guiding that the fixed bracket (4) is equipped in horizontal direction is long
The end of hole (8) and lead screw (9), the lead screw (9) is equipped with knob (10)；Pressure rope cam mounting rack (5) is equipped with and leads
The first sliding block (11) being slidably matched to long hole (8), top rope block mounting rack (6) is equipped with matches with long guiding hole (8) sliding
The second sliding block (12) closed, pressure rope cam mounting rack (5) and top rope block mounting rack (6) are threadedly engaged with lead screw (9), institute
It can drive the first sliding block (11) and the second sliding block (12) in opposite directions when stating lead screw (9) rotation or reverse movement；Restrict block (2) in the top
It is mounted on top rope block mounting rack (6)；Pressure rope cam (1) is articulated on pressure rope cam mounting rack (5), the ratchet mechanism
Including ratchet (13), retaining pawl (14) and tension spring (15), the ratchet (13) is mounted on the pivot of pressure rope cam (1), institute
State retaining pawl (14) be articulated in pressure rope cam mounting rack (5) on, the retaining pawl (14) under the action of tension spring (15) with
Ratchet (13) is kept in contact；The speed limiter wire rope (3) be located at pressure rope cam (1) and top restrict block (2) and between.
2. according to claim 1 for overhauling the protective device of elevator, it is characterised in that: the top rope block mounting rack
(6) top rope block mounting plate (16) is installed on, top rope block (2) is slidably mounted on top rope block peace by guide rod (17)
In loading board (16), top rope spring (18) is equipped between top rope block (2) and top rope block mounting plate (16).
3. according to claim 1 for overhauling the protective device of elevator, it is characterised in that: the pressure restrict cam (1) and
Top rope block (2) is equipped with and speed limiter wire rope (3) matched limiting slot (19).
4. any protective device for being used to overhaul elevator according to claim 1~3, it is characterised in that: the fixed branch
Frame (4) is bolted on the side wall for being mounted on pit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820602188.0U CN208200056U (en) | 2018-04-25 | 2018-04-25 | It is a kind of for overhauling the protective device of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820602188.0U CN208200056U (en) | 2018-04-25 | 2018-04-25 | It is a kind of for overhauling the protective device of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208200056U true CN208200056U (en) | 2018-12-07 |
Family
ID=64521873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820602188.0U Expired - Fee Related CN208200056U (en) | 2018-04-25 | 2018-04-25 | It is a kind of for overhauling the protective device of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208200056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329878A (en) * | 2019-08-08 | 2019-10-15 | 中科鼎盛电梯科技江苏有限公司浙江分公司 | A kind of no foundation pit installation elevator safety protection device |
-
2018
- 2018-04-25 CN CN201820602188.0U patent/CN208200056U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329878A (en) * | 2019-08-08 | 2019-10-15 | 中科鼎盛电梯科技江苏有限公司浙江分公司 | A kind of no foundation pit installation elevator safety protection device |
| CN110329878B (en) * | 2019-08-08 | 2024-02-27 | 中科鼎盛电梯科技江苏有限公司浙江分公司 | Safety protection device for foundation pit-free elevator additionally |
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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: 20181207 Termination date: 20200425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |