CN109720958A - A kind of elevator anti-drop system - Google Patents
A kind of elevator anti-drop system Download PDFInfo
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- CN109720958A CN109720958A CN201711039969.XA CN201711039969A CN109720958A CN 109720958 A CN109720958 A CN 109720958A CN 201711039969 A CN201711039969 A CN 201711039969A CN 109720958 A CN109720958 A CN 109720958A
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- block
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- lever
- speed limiting
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Abstract
A kind of elevator anti-drop system, including velocity pick-up mechanism, trigger mechanism, speed limiting mechanism and limited block, the velocity pick-up mechanism includes the driving wheel for being driven wheel support and its internal setting, one end at driving wheel axle center through the transmission shaft of setting is set with trigger mechanism, trigger mechanism is connected by linkage with speed limiting mechanism, limited block is provided at the top of speed limiting mechanism, trigger mechanism includes be centrifuged shell and its internal setting one, No. two are got rid of block, one, No. two are got rid of on block positioned at connecting rod, position between adjusting rod is connected with each other by drive block, centrifugation shell chassis is set on transmission shaft, the groove and one being arranged on centrifugation shell chassis, No. two are got rid of and are provided with arresting lever between block, the hangers of centrifugation shell is connected by linkage with speed limiting mechanism.The present invention can not only effectively avoid the generation of accident, and structure is simple, manufacturing cost is lower, durability is strong, safety is higher, and the scope of application is also relatively wide.
Description
Technical field
The present invention relates to a kind of elevator anti-drop systems, and it is particularly applicable to the safeguard protections of elevator craning cage.
Background technique
Building hoist used at present is drawn cage by wirerope, gear or rack gear mostly and makees vertical lifting fortune
Defeated work, in construction work usually due to wire cable rupture or gear, rack gear slip teeth and cause accident, in order to guarantee to construct
The safety of personnel, it is necessary to be furnished with anti-falling safety device on elevator.But the prior art there are structures more complicated, manufacturing cost compared with
The defect high, operation is loaded down with trivial details, safety is not high.
Summary of the invention
The purpose of the present invention is overcoming, structure existing in the prior art is more complex, manufacturing cost is higher, safety is not high
Defect and problem, provide that a kind of structure is simple, the higher elevator anti-drop system of manufacturing cost lower-security.
In order to achieve the above object, the technical solution of the invention is as follows: a kind of elevator anti-drop system, including speed pass
Feel mechanism, trigger mechanism, speed limiting mechanism and limited block, the velocity pick-up mechanism includes being driven wheel support and its internal setting
Driving wheel, one end at driving wheel axle center through the transmission shaft of setting are set with trigger mechanism, and trigger mechanism passes through linkage
It is connected with speed limiting mechanism, and is provided with limited block at the top of speed limiting mechanism；
The trigger mechanism includes centrifugation shell and its internal No.1 being arranged gets rid of block and No. two are got rid of block, and No.1 gets rid of one end of block
Block being got rid of with No. two by connecting rod to be connected, No. two other ends for getting rid of block are connected by adjusting rod with the other end that No.1 gets rid of block,
No.1 gets rid of block, No. two positions got rid of on block between connecting rod, adjusting rod are connected with each other by drive block, at the axle center of drive block
Be provided through transmission shaft, be set on transmission shaft centrifugation shell chassis, be centrifuged shell chassis on be provided with No.1 get rid of block, No. two get rid of
The corresponding groove of block, groove and No.1 get rid of block, No. two get rid of and be provided with arresting lever between block, one end and the No.1 of arresting lever are got rid of
Block, No. two get rid of block and be fixedly connected, the other end extends to the recess portion of groove；Hangers is provided on the centrifugation shell, hangers passes through company
Dynamic device is connected with speed limiting mechanism.
The No.1 gets rid of that block, No. two to get rid of block be half-moon-shaped structure, and groove is quadrangle room structure counterclockwise.
The No.1 get rid of block, No. two get rid of and be set with spring on the adjusting rod being arranged on block, one end of spring and adjusting rod
One end is fixedly connected, and the other end is connected with adjusting nut, and adjusting nut is sleeved on adjusting rod.
The linkage includes sequentially connected interlocking lever, eccentric rod and support rod, the other end and bolt of support rod
Bar is connected, and the other end of bolt rod is connected with speed limiting mechanism.
The speed limiting mechanism includes trip(ping) lever and symmetrically arranged left caliper, right caliper body, and left caliper, right caliper body and bracket are solid
Fixed to connect, the position on bracket between left caliper, right caliper body is provided with clutch cover, and set notch is provided on clutch cover, covers
The insertion cooperation of the other end of notch and bolt rod；The inside of the clutch cover is provided through trip(ping) lever, the lower end of trip(ping) lever with
Symmetrically arranged left pincers block, the right bottom end for clamping block are fixedly connected, and upper end extends to the side of centrifugation shell, and middle part is provided with to be lacked with set
Mouthful corresponding rod notch, top are provided with shield and emit, and rod notch is located at the inside of clutch cover, clutch cover and protect the clutch between emitting
Brake spring is set on bar；The left pincers block, right pincers block are slidably matched on the inside of left caliper, right caliper body respectively, and left pincers
Block and right pincers block are intermeshed.
The left caliper, right caliper body line of symmetry be trip(ping) lever, left pincers block, right pincers block line of symmetry be trip(ping) lever, and it is left
Caliper, right caliper body the angle of extended line be acute angle.
Compared with prior art, the invention has the benefit that
1, in a kind of elevator anti-drop system of the present invention, overall structure successively include velocity pick-up mechanism, trigger mechanism,
Linkage and speed limiting mechanism in use process, when elevator craning cage falls, pass through transmission shaft by velocity pick-up mechanism and drive
It gets rid of and is got rid of outside block, then centrifugation shell rotation is driven by groove by getting rid of block, to release bolt rod to trip(ping) lever by linkage
Detent, trip(ping) lever pop up under the action of brake spring, drive speed limiting mechanism in left pincers block and right pincers block along left caliper,
Right caliper body upward sliding, and be intermeshed by left pincers block and right pincers block to clamp the elevator angle bar of landing, to play limit
The effect of fast fall arrest, not only it is possible to prevente effectively from the generation of accident, protection property and personal safety, but also full automatic working,
Operation is simple, prevents the fast speed fallen, fall arrest effect is good.Therefore, the present invention can not only effectively avoid the hair of accident
It is raw, and operate simple, good braking effect.
2, in a kind of elevator anti-drop system of the present invention, in trigger mechanism pass through linkage and speed limiting mechanism phase
Connection, linkage is made of interlocking lever, eccentric rod, support rod and bolt rod, then is lacked by bolt rod and the set in speed limiting mechanism
Mouth, rod notch are matched to control left pincers block and right pincers block, and overall structure is fairly simple, and component not easy to wear, such as
Rope etc. not only reduces manufacturing cost, and be swift in response, safety it is stronger while also relatively durable.Therefore, of the invention
Manufacturing cost is lower, durability is strong, safety is higher.
3, in a kind of elevator anti-drop system of the present invention, trigger mechanism drives centrifugation shell by getting rid of outside getting rid of the centrifugation of block
The centrifugation for driving to linkage, therefore getting rid of block gets rid of the rotation speed of driving wheel in condition and velocity pick-up mechanism at just outside
Than relationship, and under different application environments, the rotation speed of driving wheel be it is discrepant, in order to adapt to different application environments,
The present invention is provided with adjusting rod on getting rid of block, can be arranged the centrifugation for getting rid of block by adjusting the suppression degree of adjusting rod upper spring
Condition is got rid of outside, to adapt to different application environments, expands application range.Therefore, the scope of application of the invention is wider.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is the structural schematic diagram of trigger mechanism in Fig. 1.
Fig. 4 is the top view of left pincers block and right pincers block in Fig. 1.
In figure: velocity pick-up mechanism 1, trigger mechanism 2 are centrifuged shell 21, hangers 211, and No.1 gets rid of block 22, and No. two are got rid of block 23,
Connecting rod 24, adjusting rod 25, spring 251, adjusting nut 252, drive block 26 are centrifuged shell chassis 27, groove 28, arresting lever 29, limit
Fast mechanism 3, trip(ping) lever 31, rod notch 311, left caliper 32, right caliper body 33, clutch cover 34 cover notch 341, left pincers block 35, right pincers
Block 36, shield emit 37, brake spring 38, linkage 4, interlocking lever 41, eccentric rod 42, support rod 43, bolt rod 44, driving wheel branch
Frame 5, driving wheel 6, transmission shaft 7, bracket 8, elevator angle bar 9, limited block 10.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail
Referring to Fig. 1-Fig. 4, a kind of elevator anti-drop system, including velocity pick-up mechanism 1, trigger mechanism 2, speed limit machine
Structure 3 and limited block 10, the velocity pick-up mechanism 1 include the driving wheel 6 of transmission wheel support 5 and its internal setting, 6 axis of driving wheel
It is set with trigger mechanism 2 through one end of the transmission shaft 7 of setting at the heart, trigger mechanism 2 passes through linkage 4 and speed limiting mechanism 3
It is connected, and the top of speed limiting mechanism 3 is provided with limited block 10；
The trigger mechanism 2 includes centrifugation shell 21 and its internal No.1 being arranged gets rid of block 22 and No. two are got rid of block 23, and No.1 is got rid of
One end of block 22 gets rid of block 23 with No. two by connecting rod 24 and is connected, and No. two other ends for getting rid of block 23 are got rid of by adjusting rod 25 with No.1
The other end of block 22 is connected, and No.1 gets rid of 22, No. two positions got rid of on block 23 between connecting rod 24, adjusting rod 25 of block and passes through biography
Motion block 26 is connected with each other, and is provided through transmission shaft 7 at the axle center of drive block 26, and centrifugation shell chassis 27 is set on transmission shaft 7,
Be provided on centrifugation shell chassis 27 and get rid of block 22, two with No.1 and get rid of the corresponding groove 28 of block 23, groove 28 and No.1 get rid of block 22,
No. two are got rid of and are provided with arresting lever 29 between block 23, and one end of arresting lever 29, which with No.1 gets rid of block 22, two and gets rid of block 23, to be fixedly connected, separately
One end extends to the recess portion of groove 28；
Hangers 211 is provided on the centrifugation shell 21, hangers 211 is connected by linkage 4 with speed limiting mechanism 3.
It is half-moon-shaped structure that the No.1, which gets rid of block 22, two and gets rid of block 23, and groove 28 is quadrangle room structure counterclockwise.
The No.1, which is got rid of block 22, two and got rid of, is set with spring 251 on the adjusting rod 25 being arranged on block 23, and the one of spring 251
End is fixedly connected with one end of adjusting rod 25, and the other end is connected with adjusting nut 252, and adjusting nut 252 is sleeved on adjusting rod
On 25.
The linkage 4 includes sequentially connected interlocking lever 41, eccentric rod 42 and support rod 43, support rod 43 it is another
End is connected with bolt rod 44, and the other end of bolt rod 44 is connected with speed limiting mechanism 3.
The speed limiting mechanism 3 includes trip(ping) lever 31 and symmetrically arranged left caliper 32, right caliper body 33, left caliper 32, right pincers
Body 33 is fixedly connected with bracket 8, and the position on bracket 8 between left caliper 32, right caliper body 33 is provided with clutch cover 34, clutch
Set notch 341 is provided on set 34, the other end insertion of set notch 341 and bolt rod 44 cooperates；The inside of the clutch cover 34
It is provided through trip(ping) lever 31, the lower end of trip(ping) lever 31 is fixedly connected with the bottom end of symmetrically arranged left pincers block 35, right pincers block 36,
Upper end extends to the side of centrifugation shell 21, and middle part is provided with rod notch 311 corresponding with set notch 341, and top is provided with shield
37 are emitted, rod notch 311 is located at the inside of clutch cover 34, and clutch cover 34 and shield, which emit, is set with clutch bullet on the trip(ping) lever 31 between 37
Spring 38；
The left pincers block 35, inside of the right pincers block 36 respectively with left caliper 32, right caliper body 33 are slidably matched, and left pincers block 35
It is intermeshed with right pincers block 36.
The left caliper 32, right caliper body 33 line of symmetry be trip(ping) lever 31, it is left pincers block 35, it is right pincers block 36 line of symmetry be from
Bar 31 is closed, and the angle of the extended line of left caliper 32, right caliper body 33 is acute angle.
In use, suppressing the method for spring 251 by adjusting nut 252 to set in advance first according to the needs of application environment
It sets No.1 and gets rid of block 22, two and get rid of block 23 and be centrifuged the condition got rid of outside, shield is then emitted into 37 pushings, is driven while suppressing brake spring 38
Dynamic trip(ping) lever 31 moves downward so that rod notch 311 is corresponding with set notch 341, thus make the insertion rod notch 311 of bolt rod 44,
The trip(ping) lever 31 moved downward drives the sliding slot of left pincers block 35, right pincers block 36 inside left caliper 32, right caliper body 33 to move downward,
And big the distance between left pincers block 35 and right pincers block 36 are gradually supportted, then entire anti-falling safety device is mounted on elevator, is risen
The lower part of drop machine angle bar 9 is stuck between distracted left pincers block 35, right pincers block 36, and top is in contact with the side of driving wheel 6,
Then booting is run, and in operation, the downslide of elevator angle bar 9 drives driving wheel 6 to rotate, and driving wheel 6 is driven by transmission shaft 7 and touched
No.1 in hair mechanism 2 gets rid of block 22, two and gets rid of the rotation of block 23, and centrifugation shell 21 does not rotate, but when elevator craning cage falls, rises
Drop machine angle bar 9 will quickly glide, and will drive 6 high speed rotation of driving wheel, and driving wheel 6 drives No.1 to get rid of block 22, two and gets rid of block
23 rapidly rotations, generation centrifugal force, and the centrifugal force, which meet, gets rid of condition outside centrifugation set by the spring 251 suppressed in advance, and one
Number get rid of block 22, two get rid of block 23 be centrifuged it is outer get rid of, the arresting lever 29 of lower end setting blocks groove 28, and by groove 28 drive from
Heart shell chassis 27 rotates, so that centrifugation shell 21 be driven to rotate, centrifugation shell 21 drives the gearing in linkage 4 by hangers 211
Bar 41, eccentric rod 42, support rod 43 and bolt rod 44 successively act, and finally transfer to bolt rod 44 from rod notch 311, release
To the detent of trip(ping) lever 31, trip(ping) lever 31 moves upwards under the bounce of brake spring 38, and drives 31 lower end institute of trip(ping) lever
Left pincers block 35, the right pincers block 36 being fixedly connected are moved up along left caliper 32, right caliper body 33, left pincers block 35 and right pincers block during moving up
36 quickly engagements, and the elevator angle bar 9 being arranged between left pincers block 35, right pincers block 36 is clamped, to limit elevator angle bar 9
Downslide, the final downslide for limiting elevator craning cage, the safety of protection construction property and construction personnel.Limited block 10 can be to axis
To movement rise position-limiting action.
Claims (6)
1. a kind of elevator anti-drop system, including velocity pick-up mechanism (1), trigger mechanism (2), speed limiting mechanism (3) and limit
Block (10), the velocity pick-up mechanism (1) include the driving wheel (6) of transmission wheel support (5) and its internal setting, driving wheel (6)
One end of transmission shaft (7) at axle center through setting is set with trigger mechanism (2), trigger mechanism (2) by linkage (4) with
Speed limiting mechanism (3) is connected, and limited block (10) are provided at the top of speed limiting mechanism (3), it is characterised in that:
The trigger mechanism (2) includes that centrifugation shell (21) and its internal No.1 being arranged are got rid of block (22) and got rid of block (23) with No. two, and one
The one end for number getting rid of block (22) gets rid of block (23) with No. two by connecting rod (24) and is connected, and No. two other ends for getting rid of block (23) pass through adjusting
Bar (25) is connected with the other end that No.1 gets rid of block (22), No.1 get rid of block (22), No. two get rid of on block (23) be located at connecting rod (24), adjust
Position between pole (25) is connected with each other by drive block (26), is provided through transmission shaft at the axle center of drive block (26)
(7), it is set with centrifugation shell chassis (27) on transmission shaft (7), is provided in centrifugation shell chassis (27) and gets rid of block (22), No. two with No.1
Get rid of the corresponding groove (28) of block (23), groove (28) and No.1 get rid of block (22), No. two get rid of and be provided with arresting lever between block (23)
(29), one end of arresting lever (29) and No.1 get rid of block (22), No. two get rid of block (23) and be fixedly connected, the other end extends to groove (28)
Recess portion；
It is provided with hangers (211) on the centrifugation shell (21), hangers (211) is connected by linkage (4) with speed limiting mechanism (3)
It connects.
2. a kind of elevator anti-drop system according to claim 1, it is characterised in that: the No.1 gets rid of block (22), two
Number getting rid of block (23) is half-moon-shaped structure, and groove (28) is quadrangle room structure counterclockwise.
3. a kind of elevator anti-drop system according to claim 1 or 2, it is characterised in that: the No.1 get rid of block (22),
No. two are got rid of and are set with spring (251) on the adjusting rod (25) being arranged on block (23), one end of spring (251) and adjusting rod (25)
One end is fixedly connected, and the other end is connected with adjusting nut (252), and adjusting nut (252) is sleeved on adjusting rod (25).
4. a kind of elevator anti-drop system according to claim 3, it is characterised in that: the linkage (4) includes
Sequentially connected interlocking lever (41), eccentric rod (42) and support rod (43), the other end and bolt rod (44) phase of support rod (43)
Connection, the other end of bolt rod (44) are connected with speed limiting mechanism (3).
5. according to a kind of elevator anti-drop system as claimed in claim 4, it is characterised in that: the speed limiting mechanism (3) include from
Bar (31) and symmetrically arranged left caliper (32), right caliper body (33) are closed, left caliper (32), right caliper body (33) and bracket (8) are fixed
It connects, the position on bracket (8) between left caliper (32), right caliper body (33) is provided with clutch cover (34), clutch cover (34)
On be provided with set notch (341), set notch (341) and bolt rod (44) the other end be inserted into cooperate；The clutch cover (34)
Inside is provided through trip(ping) lever (31), the lower end of trip(ping) lever (31) and symmetrically arranged left pincers block (35), right pincers block (36)
Bottom end is fixedly connected, and upper end extends to the side of centrifugation shell (21), and middle part is provided with rod notch corresponding with set notch (341)
(311), top is provided with shield and emits (37), and rod notch (311) is located at the inside of clutch cover (34), and clutch cover (34) and shield emit (37)
Between trip(ping) lever (31) on be set with brake spring (38)；The left pincers block (35), right pincers block (36) respectively with left caliper
(32), it is slidably matched on the inside of right caliper body (33), and left pincers block (35) and right pincers block (36) are intermeshed.
6. a kind of elevator anti-drop system according to claim 5, it is characterised in that: the left caliper (32), right pincers
The line of symmetry of body (33) is trip(ping) lever (31), left pincers block (35), right pincers block (36) line of symmetry be trip(ping) lever (31), and left caliper
(32), the angle of the extended line of right caliper body (33) is acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711039969.XA CN109720958A (en) | 2017-10-31 | 2017-10-31 | A kind of elevator anti-drop system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711039969.XA CN109720958A (en) | 2017-10-31 | 2017-10-31 | A kind of elevator anti-drop system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109720958A true CN109720958A (en) | 2019-05-07 |
Family
ID=66294214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711039969.XA Pending CN109720958A (en) | 2017-10-31 | 2017-10-31 | A kind of elevator anti-drop system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109720958A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498638A (en) * | 2020-05-22 | 2020-08-07 | 福州快科电梯工业有限公司 | Mechanical speed limiting protection device for elevator and working method thereof |
| CN113325487A (en) * | 2021-06-17 | 2021-08-31 | 广州市双一气象器材有限公司 | Weather station is with meteorological information acquisition equipment |
-
2017
- 2017-10-31 CN CN201711039969.XA patent/CN109720958A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498638A (en) * | 2020-05-22 | 2020-08-07 | 福州快科电梯工业有限公司 | Mechanical speed limiting protection device for elevator and working method thereof |
| CN113325487A (en) * | 2021-06-17 | 2021-08-31 | 广州市双一气象器材有限公司 | Weather station is with meteorological information acquisition equipment |
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Application publication date: 20190507 |