CN205274935U - Elevator speed limiting device - Google Patents
Elevator speed limiting device Download PDFInfo
- Publication number
- CN205274935U CN205274935U CN201620005646.3U CN201620005646U CN205274935U CN 205274935 U CN205274935 U CN 205274935U CN 201620005646 U CN201620005646 U CN 201620005646U CN 205274935 U CN205274935 U CN 205274935U
- Authority
- CN
- China
- Prior art keywords
- rope sheave
- plate
- rejection tablet
- connecting plate
- rotationally
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses elevator speed limiting device relates to an overspeed governor that is used for the elevator. Its purpose is the elevator speed limiting device in order to provide an excellent in use effect. The utility model discloses elevator speed limiting device includes support (1), the support is including front and back curb plate (2, 3 ), it is preceding, rotationally be equipped with between the posterior lateral plate main shaft (4), rope sheave (5) have set firmly on the main shaft, rotationally be equipped with braking cover (6) on the main shaft of rope sheave and front side inter -plate, the braking is sheathe in and is fixed with friction disc (7), friction bar (8) have set firmly on the preceding curb plate, it gets rid of piece (9) rotationally to be equipped with two on the rope sheave, get rid of the end that throws away of piece and connect speed governing extension spring (10), the speed governing extension spring other end is connected with the rope sheave, it has connect even board (11) to get rid of piece withdrawal end hinge, even the board other end is fixed with roller shaft (12), install gyro wheel (13) on the roller shaft, be equipped with on the rope sheave and keep off wall (14), when throwing away the end when throwing away, even the board rotates and is keeping off between wall and the braking cover until the gyro wheel card.
Description
Technical field
The utility model relates to a kind of speed limiting device, particularly relates to a kind of speed limiter for elevator.
Background technology
Elevator governor is one of safety control parts in elevator safety protection system. When elevator, in operation, no matter which kind of reason makes sedan-chair railway carriage or compartment exceed the speed limit, and when even falling, and when other safeguard protection devices all do not work, then linkage action occurs for speed limiter and safety pincers, and lift car is stopped. Speed limiter is the instruction person of sending, and safe pincers is executive. Both actings in conjunction just ensure that the safe operation of elevator. The safe forceps system of speed limiter is the security device that elevator is essential, when elevator overspeed, run out of control or suspension system and rupture time, speed limiter safety tongs device rapidly by lift car stop on guide rail, and keep stationary state, thus avoid loss of life and personal injury and structure deteriorate accident. Traditional elevator governor result of use is not satisfactory.
Practical novel content
The technical problems to be solved in the utility model is to provide the good elevator governor of a kind of result of use.
The utility model elevator governor, comprise support, described support comprises the front side board being fixedly connected with and rear side plate, before described, a main shaft it is provided with rotationally between rear side plate, described main shaft is fixed with rope sheave, the wheel rim of described rope sheave is provided with the groove for holding rope, main shaft between described rope sheave and front side board is provided with braking sleeve rotationally, described braking sleeve is installed with friction plate, described front side board is fixed with the friction plate seat contacted with friction plate, described rope sheave on the wheel face in face, front side, be provided with two rejection tablets rotationally, two rejection tablets are arranged along rope sheave centrosymmetry, one end of described rejection tablet is for throwing away end, the other end is retraction end, the end that throws away of described rejection tablet is connected with a speed governing tension spring, the other end of described speed governing tension spring is connected with rope sheave, the retraction end of described rejection tablet is hinged with a connecting plate, the other end of described connecting plate is fixed with a roller shaft, described roller shaft is provided with roller, the rope sheave of described braking sleeve periphery is provided with retaining wall, when rejection tablet throw away end throw away time, connecting plate rotates until roller is stuck between retaining wall and braking sleeve around the retraction end of rejection tablet, being stuck in the roller between retaining wall with braking sleeve drives braking sleeve to rotate together with rope sheave.
The utility model elevator governor, the end that throws away of rejection tablet described in one of them is hinged with the first parallel connecting plate connecting plate parallel with the 2nd respectively with retraction end, the other end of first and second parallel connecting plate is hinged on the retraction end of another rejection tablet respectively and throws away on end, distance between first parallel connecting plate with two rejection tablet hinged places equals the distance between the 2nd parallel connecting plate and two rejection tablet hinged places, the straight line of the straight line parallel between the first parallel connecting plate with two rejection tablet hinged places between the 2nd parallel connecting plate and two rejection tablet hinged places.
The utility model elevator governor, wherein said braking sleeve is set with a choosing rotationally to plate, and described choosing has all offered a notch to the relative two ends of plate, and two roller shafts lay respectively in two notches.
The utility model elevator governor, wherein the end that throws away of rejection tablet described in each is equipped with an arc-shaped slot, described arc-shaped slot be positioned at throw away end towards side, rope sheave center, described rope sheave hold corresponding position to be respectively provided with an opening with throwing away of rejection tablet, main shaft between described rope sheave and rear side plate is provided with the first gear rotationally, described first gear is provided with two triggering axle connecting plates symmetrical along the first gear center, each triggers and is equipped with a triggering axle on axle connecting plate, each triggers and is equipped with a triggering bearing on axle, two are triggered the axle opening that is each passed through on rope sheave and make in the arc-shaped slot that two triggering bearings lay respectively at two rejection tablets, the lower section of described first gear is provided with the 2nd gear being meshed with it, described 2nd gear is fixed on brake axle, one end of described brake axle is connected through rear side plate with electromagnetic brake, the other end of brake axle is located on a bearing rotationally, described bearing is fixed on rear side plate.
The utility model elevator governor, the lower section of wherein said rope sheave is provided with a jockey pulley, described jockey pulley and rope sheave are positioned at same plane, the wheel rim of jockey pulley is provided with the groove for holding rope, jockey pulley is located on jockey pulley connecting plate rotationally, and the upper end of described jockey pulley connecting plate is installed in rotation on board connective axis, and described board connective axis is fixed between the side plate of front and back, the lower end of described jockey pulley connecting plate is connected with jockey pulley extension spring, and the other end of jockey pulley extension spring is fixed on support.
The utility model elevator governor, the two ends of wherein said main shaft are all arranged on forward and backward side plate by bearing, bearing support.
The utility model elevator governor, wherein said braking sleeve comprises integrated first cover, the 2nd cover and the 3rd cover, the external diameter of first, second and third cover reduces successively, first cover is arranged near rope sheave, 2nd puts and is set with described choosing rotationally to plate, and the 3rd puts and be installed with described friction plate.
The utility model elevator governor, the both sides of wherein said friction plate are respectively provided with location sheet, disc spring successively, friction plate, location sheet and disc spring composition friction plate assembly, the excircle of described 3rd cover is provided with screw thread, and described friction plate assembly is fixed on the step of second and third cover junction by being spun on the 3rd fitting nut put.
The utility model elevator governor, the mode that wherein said rejection tablet is located on rope sheave rotationally is, the wheel face of rope sheave is fixed with rejection tablet axle, and described rejection tablet is fixed with bearing, bearing support, and rejection tablet is arranged on rejection tablet axle by bearing, bearing support.
The utility model elevator governor, the lower section of wherein said support is provided with the lower side plate connecting forward and backward side plate, and described lower side plate has been offered two through holes.
The utility model elevator governor is when in use, lay winding wire ropes in rope sheave, when elevator runs with the speed specified, this wireline keeps moving up or down with sedan-chair railway carriage or compartment by the connecting rod between lift car simultaneously, when the rising of elevator or lowering speed are excessive, rejection tablet outwards throws away under the influence of centrifugal force, the connecting plate being hinged on rejection tablet retraction end swings, until roller is stuck between retaining wall and braking sleeve, now braking sleeve is rotated with rope sheave, owing to the friction plate in braking sleeve and friction plate seat rub, therefore the resistance that rope traction rope sheave rotates increases, thus cause connecting rod to swing, namely connecting one end on a steel cord relative to the one end being connected on sedan-chair railway carriage or compartment swings downward or upward, when connecting rod occurs this kind to swing, safe pincers can be triggered, safe pincers effect makes sedan-chair railway carriage or compartment out of service, result of use is good.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model elevator governor;
Fig. 2 is the sectional view of line A-A along Fig. 1;
Fig. 3 is the front sectional view of the utility model elevator governor;
Fig. 4 is another front sectional view of the utility model elevator governor;
Fig. 5 is the sectional view of line B-B along Fig. 1;
Fig. 6 is the left view of Fig. 1;
Fig. 7 is the scheme of installation of rejection tablet in the utility model elevator governor;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is the front view of rope sheave in the utility model elevator governor;
Figure 10 is the sectional view of line C-C along Fig. 9;
Figure 11 is the structure iron of rejection tablet in the utility model elevator governor;
Figure 12 is the left view of Figure 11;
Figure 13 is the vertical view of Figure 11.
Embodiment
As shown in Figure 1, and with reference to shown in Fig. 2-4, the utility model elevator governor, comprise support 1, described support 1 comprises the front side board 2 and rear side plate 3 that are fixedly connected with, the mode that is specifically fixedly connected with is: forward and backward side plate 2,3 is connected by threaded rod, and the two ends of threaded rod are fastened on front and back side plate 2,3 by nut respectively. Being provided with a main shaft 4 rotationally between described forward and backward side plate 2,3, concrete set-up mode is: the two ends of main shaft 4 are all arranged on forward and backward side plate 2,3 by bearing, bearing support.
Being fixed with rope sheave 5 on described main shaft 4, the wheel rim of described rope sheave 5 is provided with the groove for holding rope, it may also be useful to time, the groove of rope sheave 5 wheel rim is wound with wireline. Being provided with braking sleeve 6 rotationally on main shaft 4 between rope sheave 5 and front side board 2, namely braking sleeve 6 is sleeved on main shaft 4 rotationally by bearing. Described braking sleeve 6 comprises integrated first cover the 601, the 2nd cover 602 and the 3rd cover 603, and the external diameter of first, second and third cover 601,602,603 reduces successively, and the first cover 601 is arranged near rope sheave 5.
Described braking sleeve 6 is installed with friction plate 7, namely on the 3rd cover 603 of braking sleeve 6, fixedly mounts described friction plate 7. Described front side board 2 is bolted the friction plate seat 8 being provided with and contacting with friction plate 7, when friction plate 7 moves relative to friction plate seat 8, producing friction resistance between friction plate 7 and friction plate seat 8, this friction plate 7 is prior art with friction plate seat 8, and at this, to its structure, it will not go into details.
As shown in Figure 7,8, and shown in composition graphs 9,10, two rejection tablets, 9, two rejection tablets 9 that are provided with rotationally on the wheel face in face, front side of rope sheave 5 are arranged along rope sheave 5 centrosymmetry, and one end of described rejection tablet 9 is for throwing away end 901, the other end is retraction end 902, when rope sheave 5 turns to enough big speed, the end 901 that throws away of rejection tablet 9 throws away, and namely carries on the back and moves to rope sheave 5 center, and the retraction end 902 of rejection tablet 9 is contrary with throwing away end 901 direction of motion, namely move towards rope sheave 5 center. The end 901 that throws away of rejection tablet 9 is connected with a speed governing tension spring 10, the other end of described speed governing tension spring 10 is connected with rope sheave 5, speed governing tension spring 10 arranges a preliminary tension when mounted, preliminary tension is more big, and it is also more big that rejection tablet 9 throws away required centrifugal force, and required rope sheave 5 rotating speed is also more big, otherwise, preliminary tension is more little, and it is also more little that rejection tablet 9 throws away required centrifugal force, and required rope sheave 5 rotating speed is also more little. So, it is possible to by regulating the size of speed governing tension spring 10 preliminary tension and determine that rejection tablet throws away under great rope sheave 5 rotating speed.
The concrete mode throwing away end 901 connection speed governing tension spring 10 of rejection tablet 9 is: throws away end 901 and is fixed with an extension spring plate 36 by the fastening piece such as bolt or screw, extension spring plate 36 is fixed with a governor rod 37, one end of governor rod 37 is provided with circular hole and is used for connecting speed governing tension spring 10, and the other end of speed governing tension spring 10 is fixed by screws on rope sheave 5.
The retraction end 902 of rejection tablet 9 is hinged with a connecting plate 11, the other end of described connecting plate 11 is fixed with a roller shaft 12, described roller shaft 12 is provided with roller 13, the rope sheave 5 of described braking sleeve 6 periphery is provided with retaining wall 14, as shown in Figure 9, the quantity of described retaining wall 14 is 4, one group between two, and each group all distributes along rope sheave 5 centrosymmetry. When rejection tablet 9 throw away end 901 throw away time, connecting plate 11 rotates until roller 13 is stuck between retaining wall 14 and braking sleeve 6 around the retraction end 902 of rejection tablet 9, now, roller 13 is stuck between retaining wall 14 and the first cover 601 of braking sleeve 6, and the roller 13 being stuck between retaining wall 14 with braking sleeve 6 drives braking sleeve 6 to rotate together with rope sheave 5. Owing to friction plate 7 is fixed on front side board 2, so when braking sleeve 6 is rotated, producing relative movement between braking sleeve 6 and friction plate seat 8, thus produce friction resistance between braking sleeve 6 and friction plate seat 8.
The mode that rejection tablet 9 is located on rope sheave 5 rotationally is: be fixed with rejection tablet axle 15 on the wheel face of rope sheave 5, and described rejection tablet 9 is fixed with bearing, bearing support, and rejection tablet 9 is arranged on rejection tablet axle 15 by bearing, bearing support. Rejection tablet 9 throw away end 901 and retraction end 902 lays respectively at the both sides of rejection tablet axle 15, namely throw away end 901 and retraction end 902 can rotate around rejection tablet axle 15, and both turning directions are contrary.
In aforementioned two groups of retaining walls 14, one group of retaining wall 14 length is longer, arranges near rejection tablet axle 15, and another group retaining wall 14 length is shorter, arranges away from rejection tablet axle 15.
The utility model elevator governor, the end 901 that throws away of one of them rejection tablet 9 is hinged with the first parallel connecting plate 16 connecting plate 17 parallel with the 2nd respectively with retraction end 902, first, two parallel connecting plates 16, the other end of 17 is hinged on the retraction end 902 of another rejection tablet 9 respectively and throws away on end 901, distance between first parallel connecting plate 16 with two rejection tablet 9 hinged places equals the distance between the 2nd parallel connecting plate 17 and two rejection tablet 9 hinged places, the straight line of straight line parallel between first parallel connecting plate 16 with two rejection tablet 9 hinged places between the 2nd parallel connecting plate 17 and two rejection tablet 9 hinged places. like this, parallel?ordinal shift structure is formed between first and second parallel connecting plate 16,17 and two rejection tablets 9, it is possible to realize the synchronous axial system of two rejection tablets 9.
The utility model elevator governor, wherein said braking sleeve 6 is set with a choosing rotationally to plate 18, it is specially on the 2nd cover 602 of braking sleeve 6 and it is set with described choosing rotationally to plate 18, namely select to being running fit between plate 18 and braking sleeve 6, so choosing can be rotated along braking sleeve 6 to plate 18. selecting the relative two ends to plate 18 all to offer a notch, two roller shafts 12 lay respectively in two notches. as shown in Figure 3, and composition graphs 4, shown in 9, when rope sheave 5 starts to rotate clockwise, now rejection tablet 9 does not throw away, roller shaft 12 promotes choosing to the notched wall of plate 18, choosing to be rotated clockwise along braking sleeve 6 to plate 18, the notched wall pair roller axle 12 to plate 18 is now selected to apply a reactive force, this reactive force makes roller 13 swing (now connecting plate 11 rotates clockwise around retraction end 902) counterclockwise relative to rope sheave 5, when rope sheave 5 velocity of rotation is enough big, the end 901 that throws away of rejection tablet 9 throws away, retraction end 902 moves to rope sheave 5 center, roller 13 swings amplitude and increases gradually, until roller 13 is stuck between the retaining wall 14 away from rejection tablet axle 15 and braking sleeve 6, complete the linkage between rope sheave 5 and braking sleeve 6. with reason, when rope sheave 5 starts to rotate counterclockwise, now rejection tablet 9 does not throw away, roller shaft 12 promotes choosing to the notched wall of plate 18, choosing to be rotated counterclockwise along braking sleeve 6 to plate 18, the notched wall pair roller axle 12 to plate 18 is now selected to apply a reactive force, this reactive force makes roller 13 swing (now connecting plate 11 rotates counterclockwise around retraction end 902) clockwise relative to rope sheave 5, when rope sheave 5 velocity of rotation is enough big, the end 901 that throws away of rejection tablet 9 throws away, retraction end 902 moves to rope sheave 5 center, roller 13 swings amplitude and increases gradually, until roller 13 is stuck near between the retaining wall 14 and braking sleeve 6 of rejection tablet axle 15, complete the linkage between rope sheave 5 and braking sleeve 6. as can be seen here, rope sheave 5 in the utility model can just rotate backward, when just oppositely turning to certain speed, rejection tablet 9 all can throw away, when rope sheave 5 rotating, connecting plate 11 is contrary around the turning direction of retraction end 902, but roller 13 all can be made finally to be stuck between retaining wall 14 and braking sleeve 6, it is achieved rope sheave 5 rotates together with braking sleeve 6.
As shown in Figure 5,6, and shown in composition graphs 11-13, the utility model elevator governor, the end 901 that throws away of each rejection tablet 9 is equipped with an arc-shaped slot 19, described arc-shaped slot 19 be positioned at throw away end 901 towards side, rope sheave 5 center, described rope sheave 5 hold 901 corresponding positions to be respectively provided with an opening 20 with throwing away of rejection tablet 9, main shaft 4 between described rope sheave 5 and rear side plate 3 is provided with the first gear 21 rotationally, is specially the first gear 21 and is installed in rotation on main shaft 4 by self-oiling bearing. Described first gear 21 is provided with two triggering axle connecting plates 22 symmetrical along the first gear 21 center, triggers axle connecting plate 22 and is located on the first gear 21 by the fastening piece such as bolt or screw is fixing. Each triggers and is equipped with a triggering axle 23 on axle connecting plate 22, and each triggers and is equipped with a triggering bearing 38 on axle 23, and triggering axle 23 is bolted to be located at and triggers on axle connecting plate 22. Two are triggered axle 23 opening that is each passed through on rope sheave 5 and make in the arc-shaped slot 19 that two triggering bearings 38 lay respectively at two rejection tablets 9. The lower section of described first gear 21 is provided with the 2nd gear 24 being meshed with it, described 2nd gear 24 is fixed on brake axle 25, one end of described brake axle 25 is connected through rear side plate 3 with electromagnetic brake 26, the other end of brake axle 25 is located on a bearing 27 rotationally, and described bearing 27 is fixed on rear side plate 3.
Electromagnetic brake 26 is not energized under normal circumstances, when rope sheave 5 rotates and rejection tablet 9 does not throw away, is positioned at the triggering bearing 38 throwing away end 901 arc-shaped slots 19 and follows rejection tablet 9 and move, when electromagnetic brake 26 is energized, electromagnetic brake 26 makes brake axle 25 stall, the 2nd gear 24 stall being fixed on brake axle 25, the the first gear 21 also stall being meshed with the 2nd gear 24, result through the triggering axle 23 stopping motion triggering axle connecting plate 22 and being fixed on the first gear 21, trigger bearing 38 and also stop motion, that is, triggering bearing 38 now can not be followed rejection tablet 9 and be moved together, so trigger between bearing 38 and rejection tablet 9 and produce relative movement, so triggering bearing 38 the arc-shaped slot wall of rejection tablet 9 is produced thrust, throw away end 901 to be pushed out, namely throw away end 901 back of the body to move to rope sheave 5 center. next, the motion of retraction end 902, connecting plate 11 and roller 13 and rejection tablet 9 to throw away that end 901 is thrown out of in the effect of centrifugal force be the same, final result is that roller 13 is stuck between retaining wall 14 and braking sleeve 6, realize rope sheave 5 rotation together with braking sleeve 6, make to produce relative movement between the friction plate 7 being fixed in braking sleeve 6 and the friction plate seat 8 being fixed on front side board 2, and then produce friction resistance.
Why electromagnetic brake 26 is set, being to check whether elevator governor is in standard state, because in real life, the situation that lift car exceedes fixing speed is little, uncommon, so rope sheave 5 also just seldom occurs that speed is excessive and makes the situation that rejection tablet 9 throws away. So, in order to check whether elevator governor is in standard state, electromagnetic brake 26 is energized, if the sedan-chair railway carriage or compartment of elevator stops rising or decline, namely producing braking, so elevator governor is just in standard state, otherwise, elevator governor is just in abnomal condition, i.e. disable state, now needs to be repaired or replaced by elevator governor.
The utility model elevator governor, the lower section of described rope sheave 5 is provided with a jockey pulley 28, described jockey pulley 28 is positioned at same plane with rope sheave 5, the wheel rim of jockey pulley 28 is provided with the groove for holding rope, jockey pulley 28 is located on jockey pulley connecting plate 29 rotationally, and the upper end of described jockey pulley connecting plate 29 is installed in rotation on board connective axis 30, and described board connective axis 30 is fixed between front and back side plate 2,3, the lower end of described jockey pulley connecting plate 29 is connected with jockey pulley extension spring 31, and the other end of jockey pulley extension spring 31 is fixed on support 1. Jockey pulley extension spring 31 arranges a preliminary tension when installing, the wireline walking around rope sheave 5 is from top to bottom through the wheel rim groove of jockey pulley 28, now make wireline between rope sheave 5 and jockey pulley 28, under the effect of jockey pulley extension spring 31, jockey pulley 28 can increase the cornerite between wireline and rope sheave 5, thus increase the frictional force between wireline and rope sheave 5, avoid, between wireline and rope sheave 5, skidding occurs.
The utility model elevator governor, the both sides of friction plate 7 are respectively provided with location sheet 32, disc spring 33 successively, friction plate 7, location sheet 32 and disc spring 33 form friction plate assembly, the excircle of the 3rd cover 603 of braking sleeve 6 is provided with screw thread, and described friction plate assembly is fixed on the step of second and third cover 602,603 junctions by the fitting nut 34 being spun on the 3rd cover 603.
The utility model elevator governor, the lower section of support 1 is provided with the lower side plate 35 connecting forward and backward side plate 2,3, and two through holes offered by described lower side plate 35, and two through holes hold wireline to be passed through.
Introduce working process of the present utility model below:
The utility model elevator governor is when in use, lay winding wire ropes in rope sheave 5, when elevator runs with the speed specified, this wireline keeps moving up or down with sedan-chair railway carriage or compartment by the connecting rod between lift car simultaneously, when the rising of elevator or lowering speed are excessive, the end 901 that throws away of rejection tablet 9 outwards throws away under the influence of centrifugal force, the connecting plate 11 being hinged on rejection tablet retraction end 902 swings, until roller 13 is stuck between retaining wall 14 and braking sleeve 6, now braking sleeve 6 is rotated with rope sheave 5, owing to the friction plate 7 in braking sleeve 6 rubs with friction plate seat 8, therefore the resistance that rope traction rope sheave 5 rotates increases, thus cause connecting rod to swing, namely connect one end on a steel cord and swing (when sedan-chair railway carriage or compartment lowering speed is excessive downward or upward relative to the one end being connected on sedan-chair railway carriage or compartment, upwards swing, when sedan-chair railway carriage or compartment lift velocity is excessive, swung downward), when connecting rod occurs this kind to swing, it is possible to triggering safety pincers, safe pincers effect makes sedan-chair railway carriage or compartment out of service, it may also be useful to effective.
Above-described embodiment is only preferred implementation of the present utility model be described; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that the technical solution of the utility model is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that the utility model claim book is determined.
Claims (10)
1. an elevator governor, it is characterized in that: comprise support (1), described support comprises the front side board (2) and rear side plate (3) that are fixedly connected with, before described, a main shaft (4) it is provided with rotationally between rear side plate, described main shaft is fixed with rope sheave (5), the wheel rim of described rope sheave is provided with the groove for holding rope, main shaft between described rope sheave and front side board is provided with braking sleeve (6) rotationally, described braking sleeve is installed with friction plate (7), described front side board is fixed with the friction plate seat (8) contacted with friction plate, described rope sheave on the wheel face in face, front side, be provided with two rejection tablets (9) rotationally, two rejection tablets are arranged along rope sheave centrosymmetry, one end of described rejection tablet is for throwing away end (901), the other end is retraction end (902), the end that throws away of described rejection tablet is connected with a speed governing tension spring (10), the other end of described speed governing tension spring is connected with rope sheave, the retraction end of described rejection tablet is hinged with a connecting plate (11), the other end of described connecting plate is fixed with a roller shaft (12), described roller shaft is provided with roller (13), the rope sheave of described braking sleeve periphery is provided with retaining wall (14), when rejection tablet throw away end throw away time, connecting plate rotates until roller is stuck between retaining wall and braking sleeve around the retraction end of rejection tablet, being stuck in the roller between retaining wall with braking sleeve drives braking sleeve to rotate together with rope sheave.
2. elevator governor according to claim 1, it is characterized in that: the end (901) that throws away of a described rejection tablet (9) is hinged with the first parallel connecting plate (16) connecting plate (17) parallel with the 2nd respectively with retraction end (902), first, the other end of two parallel connecting plates is hinged on the retraction end of another rejection tablet respectively and throws away on end, distance between first parallel connecting plate with two rejection tablet hinged places equals the distance between the 2nd parallel connecting plate and two rejection tablet hinged places, the straight line of straight line parallel between first parallel connecting plate with two rejection tablet hinged places between the 2nd parallel connecting plate and two rejection tablet hinged places.
3. elevator governor according to claim 2, it is characterized in that: described braking sleeve (6) is set with a choosing rotationally to plate (18), described choosing has all offered a notch to the relative two ends of plate, and two roller shafts (12) lay respectively in two notches.
4. elevator governor according to claim 3, it is characterized in that: the end (901) that throws away of rejection tablet described in each (9) is equipped with an arc-shaped slot (19), described arc-shaped slot be positioned at throw away end towards side, rope sheave center, the upper position throwing away end corresponding with rejection tablet of described rope sheave (5) is respectively provided with an opening (20), main shaft (4) between described rope sheave and rear side plate (3) is provided with the first gear (21) rotationally, described first gear is provided with two triggerings axle connecting plate (22) symmetrical along the first gear center, each triggers and is equipped with a triggering axle (23) on axle connecting plate, each triggers and is equipped with a triggering bearing (38) on axle, two are triggered the axle opening that is each passed through on rope sheave and make in the arc-shaped slot that two triggering bearings lay respectively at two rejection tablets, the lower section of described first gear is provided with the 2nd gear (24) being meshed with it, described 2nd gear is fixed on brake axle (25), one end of described brake axle is connected through rear side plate with electromagnetic brake (26), the other end of brake axle is located on a bearing (27) rotationally, described bearing is fixed on rear side plate.
5. elevator governor according to claim 4, it is characterized in that: the lower section of described rope sheave (5) is provided with a jockey pulley (28), described jockey pulley and rope sheave are positioned at same plane, the wheel rim of jockey pulley is provided with the groove for holding rope, jockey pulley is located on jockey pulley connecting plate (29) rotationally, the upper end of described jockey pulley connecting plate is installed in rotation on board connective axis (30), described board connective axis is fixed on front and back side plate (2, 3) between, the lower end of described jockey pulley connecting plate is connected with jockey pulley extension spring (31), the other end of jockey pulley extension spring is fixed on support (1).
6. elevator governor according to claim 5, it is characterised in that: the two ends of described main shaft (4) are all arranged on forward and backward side plate (2,3) by bearing, bearing support.
7. elevator governor according to claim 6, it is characterized in that: described braking sleeve (6) comprises integrated first cover (601), the 2nd cover (602) and the 3rd cover (603), the external diameter of first, second and third cover reduces successively, first cover is arranged near rope sheave (5), 2nd puts and is set with described choosing rotationally to plate (18), and the 3rd puts and be installed with described friction plate (7).
8. elevator governor according to claim 7, it is characterized in that: the both sides of described friction plate (7) are respectively provided with location sheet (32), disc spring (33) successively, friction plate, location sheet and disc spring composition friction plate assembly, the excircle of described 3rd cover (603) is provided with screw thread, and described friction plate assembly is fixed on the step of second and third cover (602,603) junction by being spun on the 3rd fitting nut put (34).
9. elevator governor according to claim 8, it is characterized in that: the mode that described rejection tablet (9) is located on rope sheave (5) rotationally is, the wheel face of rope sheave is fixed with rejection tablet axle (15), being fixed with bearing, bearing support in described rejection tablet, rejection tablet is arranged on rejection tablet axle by bearing, bearing support.
10. elevator governor according to claim 9, it is characterised in that: the lower section of described support (1) is provided with the lower side plate (35) connecting forward and backward side plate (2,3), and described lower side plate has been offered two through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620005646.3U CN205274935U (en) | 2016-01-04 | 2016-01-04 | Elevator speed limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620005646.3U CN205274935U (en) | 2016-01-04 | 2016-01-04 | Elevator speed limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205274935U true CN205274935U (en) | 2016-06-01 |
Family
ID=56059531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620005646.3U Withdrawn - After Issue CN205274935U (en) | 2016-01-04 | 2016-01-04 | Elevator speed limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205274935U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460729A (en) * | 2016-01-04 | 2016-04-06 | 河北东方富达机械有限公司 | Elevator overspeed governor |
| CN107539856A (en) * | 2016-06-29 | 2018-01-05 | 上海龙钰电梯配件有限公司 | A kind of elevator governor |
-
2016
- 2016-01-04 CN CN201620005646.3U patent/CN205274935U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460729A (en) * | 2016-01-04 | 2016-04-06 | 河北东方富达机械有限公司 | Elevator overspeed governor |
| CN107539856A (en) * | 2016-06-29 | 2018-01-05 | 上海龙钰电梯配件有限公司 | A kind of elevator governor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101198537B (en) | Method and appliance for tripping the safety gear of an elevator | |
| CN201703935U (en) | Elastic tensioning device of speed limiter rope | |
| CN205274935U (en) | Elevator speed limiting device | |
| CN102514996A (en) | Elevator speed limiting device | |
| CN201214585Y (en) | Speed limit pulley with anti-falling function | |
| CN211169391U (en) | Car following type speed limiter | |
| CN202508816U (en) | Instant anti-falling device | |
| CN105565104A (en) | Elevator speed limiter | |
| CN202689644U (en) | Safety protection device for three-dimensional parking garage | |
| CN104071718B (en) | A kind of steel wire rope takes up device in advance | |
| CN200988715Y (en) | Rope-free speed limiting system for lift | |
| CN101172553A (en) | Wireless speed limiting system of elevator | |
| US2298167A (en) | Elevator safety device | |
| CN107089610B (en) | Gradual centrifugal brake | |
| CN105293245B (en) | Elevator of winding drum type anti-fall device | |
| CN105460729A (en) | Elevator overspeed governor | |
| CN103588058A (en) | Rope wheel brake | |
| KR100797536B1 (en) | Winch type rigging system | |
| CN205823135U (en) | The anti-fall brake gear of door roller | |
| CN106185661B (en) | Dual-driving chain single failure protects trolley | |
| CN207535902U (en) | A kind of energy absorber of brake type with initial buffer function | |
| CN205023648U (en) | Elevator speed governor | |
| CN211338415U (en) | Mechanical trigger device | |
| CN107542297A (en) | Garage lifting system | |
| IT202100003905A1 (en) | Emergency brake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160601 Effective date of abandoning: 20180109 |