CN212292413U - Integrated brake device for elevator - Google Patents
Integrated brake device for elevator Download PDFInfo
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- CN212292413U CN212292413U CN202022151291.8U CN202022151291U CN212292413U CN 212292413 U CN212292413 U CN 212292413U CN 202022151291 U CN202022151291 U CN 202022151291U CN 212292413 U CN212292413 U CN 212292413U
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Abstract
The utility model relates to an integrated brake device for an elevator, which comprises two safety tongs and a lifting mechanism, wherein the lifting mechanism comprises a rotating shaft, a shifting fork and swing arms which are arranged corresponding to each safety tong, the two swing arms are linked and connected through a connecting rod mechanism, and the directions of the two swing arms are opposite; the outer extending end of one rotating shaft is in linkage connection with one lifting arm, one end, far away from the rotating shaft, of the lifting arm is used for lifting linkage, a safety switch is mounted on a side plate of the safety tongs corresponding to the other rotating shaft, a swing arm, located on the same safety tongs with the safety switch, is provided with a triggering position, and the triggering position is used for triggering the safety switch; the movable wedge block of the safety gear is provided with a jacking plate, and the jacking plate is provided with a jacking part extending to the lower part of the shifting fork; when the movable wedge block of the safety tongs acts, the jacking part of the jacking plate is linked with the shifting fork so as to realize the triggering of the safety switch. The utility model discloses when the activity voussoir of safety tongs is not by carrying the linkage action of mechanism, can carry the mechanism in order to trigger safety switch, guarantee elevator safety through the jacking board linkage.
Description
Technical Field
The utility model belongs to the technical field of the elevator braking, concretely relates to integral type arresting gear for elevator.
Background
Patent document No. CN105060060B discloses a brake device with integrated safety gear and lifting mechanism, which comprises two safety gears, wherein the safety gears are provided with movable wedge blocks and side plates; the lifting mechanism comprises two rotating shafts, two shifting forks and two swing arms; the rotating shaft penetrates through and is matched with the side plate of the safety gear on the same side in a rotating mode, the rotating shaft in the safety gear is fixedly connected with a first end of a shifting fork, and a second end of the shifting fork can jack up the movable wedge block upwards; the rotating shaft outside the safety gear is fixedly connected with the first ends of the swing arms, the second ends of the swing arms on two sides are respectively in rotating fit with one end of a connecting mechanism, and the swing arms on two sides face in opposite directions; the outer end head of one of the rotating shafts is fixedly connected with a first end of a lifting arm, and a second end of the lifting arm is in rotating fit with a lifting head; the original rotating shaft arranged on the beam, the shifting fork fixed on the rotating shaft, the torsion spring and the swing arm are integrally arranged on the body of the safety gear, so that the components are orderly integrated into a whole; however, due to some unconventional reasons, namely, the lifting head of the lifting mechanism is not linked with the lifting of the movable wedge block, for example, sand exists between the guide rail and the wedge block, and the mounting and adjustment are not in place, when the wedge block is lifted to cause malfunction, the wedge block is separated from the shifting fork and the spring force of the tension spring is small, the wedge block cannot pass through the linked lifting mechanism, so that the safety switch cannot be triggered, and the function has defects and shortcomings.
SUMMERY OF THE UTILITY MODEL
Based on the above-mentioned shortcomings and deficiencies in the prior art, it is an object of the present invention to at least solve one or more of the above-mentioned problems in the prior art, in other words, to provide an integrated brake device for an elevator that satisfies one or more of the above-mentioned needs.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
an integrated brake device for an elevator comprises two safety tongs and a lifting mechanism for linking the two safety tongs, wherein the lifting mechanism comprises a rotating shaft, a shifting fork and a swinging arm which are arranged corresponding to each safety tong; the swing arm is in linkage connection with an extending end of the rotating shaft, which is positioned outside the safety gear side plate; two corresponding swing arms of the two safety tongs are connected in a linkage way through a connecting rod mechanism, and the two swing arms face opposite directions; the outer extending end of one rotating shaft is in linkage connection with one lifting arm, one end, far away from the rotating shaft, of the lifting arm is used for lifting linkage, a safety switch is mounted on a side plate of the safety tongs corresponding to the other rotating shaft, a swing arm, located on the same safety tongs with the safety switch, is provided with a triggering position, and the triggering position is used for triggering the safety switch; the movable wedge block of the safety gear is provided with a jacking plate, and the jacking plate is provided with a jacking part extending to the lower part of the shifting fork; when the movable wedge block of the safety tongs acts, the jacking part of the jacking plate is linked with the shifting fork so as to realize the triggering of the safety switch.
Preferably, the extending end of the shifting fork is provided with a notch, and two side arms of the notch respectively correspond to the two movable wedges of the safety gear one by one.
Preferably, the two side arms of the notch of the shifting fork are respectively provided with a lug, and a trigger rod is arranged on the lug; the two trigger rods correspond to the two jacking plates of the safety tongs one by one; the jacking part of the jacking plate jacks up the trigger rod to link the shifting fork.
Preferably, an extension spring is arranged between the jacking plate and the corresponding lug.
Preferably, the link mechanism comprises a rigging turnbuckle, a left threaded pull rod and a right threaded pull rod, a first end of the left threaded pull rod and a first end of the right threaded pull rod are respectively in threaded connection with two ends of the rigging turnbuckle, a second end of the left threaded pull rod is connected with a swing arm on the same side of the lifting arm through a revolute pair, and a second end of the right threaded pull rod is connected with the other swing arm through a revolute pair.
As the preferred scheme, the pressure spring is sleeved outside the left thread pull rod, the pressure spring support is installed on a side plate of the safety gear corresponding to the left thread pull rod, the left thread pull rod penetrates through the pressure spring support, a first end, close to the second end of the left thread pull rod, of the pressure spring abuts against the pressure spring support, the second end, far away from the second end of the left thread pull rod, of the pressure spring is limited through a pressure spring seat, the pressure spring seat is fixed to the left thread pull rod through nut threads, and the position of the pressure spring seat can be adjusted to adjust the pre-tightening force of the pressure spring.
As a preferred scheme, a pressure spring guide seat and a spherical gasket are sequentially arranged between the first end of the pressure spring and the pressure spring bracket, a spherical structure is formed outwards in an inner cavity of the pressure spring guide seat, and the spherical structure is abutted against the spherical surface of the spherical gasket; the left threaded pull rod penetrates through the pressure spring guide seat and the spherical washer.
As the preferred scheme, a torsional spring is arranged between the side plate of the safety gear and the swing arm, and the torsional spring is sleeved outside the rotating shaft.
As a preferred scheme, a limiting seat is installed on a side plate of the safety gear, a limiting bolt is matched with the limiting seat in a threaded mode, and the telescopic amount of the limiting bolt relative to the limiting seat is adjusted to adjust the swing stroke of the swing arm.
Preferably, the section of the rotating shaft is square or circular.
Compared with the prior art, the utility model, beneficial effect is:
the utility model discloses an integral type arresting gear for elevator, the activity voussoir when the safety tongs is because some unconventional reasons, and the action of carrying the pull head linkage activity voussoir by carrying the mechanism promptly can carry the mechanism in order to trigger safety switch, guarantee elevator safety through the jacking board linkage.
Drawings
Fig. 1 is a schematic structural view of an integrated brake device for an elevator according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a safety gear of embodiment 1 of the present invention;
fig. 3 is a schematic view of the internal partial structure of the safety gear according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a lifting plate according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a lifting mechanism of an integrated brake device for an elevator according to embodiment 1 of the present invention;
fig. 6 is a schematic structural view of a shift fork according to embodiment 1 of the present invention;
fig. 7 is a schematic view of an installation and matching structure of a shifting fork and a jacking plate according to embodiment 1 of the present invention;
fig. 8 is a schematic view of the installation and matching structure of the swing arm and the safety switch in embodiment 1 of the present invention;
fig. 9 is a schematic view of an installation structure of a pressure spring and a limiting seat in embodiment 1 of the present invention;
fig. 10 is a schematic structural view of a pressure spring guide seat according to embodiment 1 of the present invention;
fig. 11 is a schematic structural view of a spherical washer according to embodiment 1 of the present invention;
fig. 12 is a schematic structural view of a gasket according to embodiment 1 of the present invention;
fig. 13 is a schematic structural view of an integrated brake device for an elevator according to embodiment 2 of the present invention;
fig. 14 is a schematic view of an installation structure of a torsion spring according to embodiment 2 of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
Example 1:
as shown in fig. 1 to 12, the integrated brake device for an elevator of the present embodiment includes a left safety gear 1, a right safety gear 2, a lifting mechanism 3 for linking the left and right safety gears, and a safety switch 4 installed on the right safety gear 2.
The left safety gear 1 and the right safety gear 2 are identical in structure, are symmetrical progressive safety gears and are arranged in a mirror symmetry mode. As shown in fig. 2, the left safety gear 1 is exemplified, specifically, the gear body of the left safety gear 1 includes an upper top plate, a lower bottom plate and side plates 1a at the front and rear sides, so that the gear body is enclosed to have enough installation space for installing other components; wherein, the left safety gear 1 has two movable wedges 1b in the gear body.
As shown in fig. 3, a lifting plate 5 is fixedly mounted on the inner side of each movable wedge 1b of the present embodiment. As shown in fig. 4, the lifting plate 5 is an L-shaped structure, the lifting plate 5 includes an integrally formed vertical mounting portion 5a and a horizontal lifting portion 5b, the vertical mounting portion 5a and the movable wedge 1b are fixedly mounted by screws, and the horizontal lifting portion 5b is used for linking the lifting mechanism.
As shown in fig. 5, the lifting mechanism 3 of the present embodiment includes a rotating shaft 6, a shifting fork 7 and a swinging arm 8, which are disposed corresponding to each safety gear, and is still exemplified by the left safety gear 1, and the rotating shaft, the shifting fork and the swinging arm corresponding to the right safety gear 2 can refer to the mounting structure corresponding to the left safety gear.
Specifically, as shown in fig. 5, the rotating shaft 6 penetrates through the two side plates 1b of the left safety gear and is installed in a rotating fit manner, specifically, the cross section of the rotating shaft 6 is square, the rotating shaft 6 is respectively installed on circular through holes formed in the two side plates through shaft sleeves, and the shaft sleeves are provided with square through holes matched with the rotating shaft. In addition, one end of the rotating shaft 6 extends beyond the side plate to form an extended end 60 for mounting other components of the lifting mechanism.
And a shifting fork 7 is arranged on a rotating shaft positioned in the clamp body. As shown in fig. 6, the mounting end of the shift fork 7 is provided with a mounting square hole 70 matched with the square section of the rotating shaft 6, and the rotating shaft 6 penetrates through the mounting square hole 70 of the shift fork and is screwed into the mounting square hole 70 from the outside of the mounting end of the shift fork 7 through a bolt to be fixed with a positioning hole reserved in the rotating shaft 6, so that the shift fork 7 is in linkage fit with the rotating shaft 6. In addition, the extension end of the shifting fork 7 extends to the lower part of the movable wedge block 1b of the left safety gear, so that the shifting fork 7 can jack up the movable wedge block 1b of the left safety gear after rotating, and the braking function of the safety gear is realized. Specifically, the extending end of the shifting fork 7 is provided with a notch, two side arms 7a of the notch are respectively in one-to-one correspondence with the two movable wedges 1b of the left safety gear, synchronous linkage of the two movable wedges is achieved, and the notch is designed to avoid an elevator guide rail.
As shown in fig. 6 and 7, the arms 7a on both sides of the notch of the shift fork of the present embodiment respectively have lugs 7b extending upward, and the lugs 7b are provided with trigger bars 9, which correspond to the two jacking plates of the left safety gear one by one. Specifically, the lug 7b has a threaded hole, the triggering rod 9 is a threaded rod, and the triggering rod 9 is threaded onto the lug 7b and extends out of the lug 7b to form a triggering part, and the triggering part is located right above the horizontal jacking part 5b of each corresponding jacking plate. When the movable wedge block 1b moves upwards, the jacking plate 5 lifts up to jack the trigger rod 9, so that the shifting fork 7 is linked. In addition, an extension spring 10 is arranged between the jacking plate 5 and the corresponding lug 7b, and due to certain conventional reasons, such as acceleration and deceleration of the elevator, the movable wedge block can do lifting motion relative to the jaw body under the action of inertia, and the inertia of the movable wedge block is overcome through the design of the extension spring. Wherein, as shown in fig. 4, in order to facilitate the installation of extension spring, the top of jacking board 5 has kink 5c, kink 5c and horizontal jacking portion 5b are located the upper and lower both sides of vertical installation portion 5a respectively, kink 5c has the jack for extension spring 10's upper end is pegged graft fixedly, as shown in fig. 7, extension spring 10's lower extreme realizes fixedly through the locking effect of the screw rod and the lug as trigger lever 9, avoids additionally setting up the redundant design of fixed extension spring's structure.
The swing arm 8 of the present embodiment is coupled to the extended end 60 of the rotating shaft. Specifically, the upper end of the swing arm 8 is provided with a mounting square hole matched with the square section of the rotating shaft 6, and the mounting square hole is screwed in from the outside of the swing arm 8 through a bolt to be fixed with a corresponding positioning hole reserved on the rotating shaft, so that the swing arm 8 is in linkage fit with the rotating shaft 6. As shown in fig. 1 and 5, for the installation of the swing arms on the left and right safety tongs, the directions of the swing arms are opposite, so that the rotation shafts on the two sides are opposite in direction, and the linkage of the left and right safety tongs is realized; for the swing arm on the right safety gear, the lower end of the swing arm is provided with a mounting square hole matched with the square section of the rotating shaft, and the mounting square hole is screwed in from the outside of the swing arm through a bolt so as to be fixed with a corresponding positioning hole reserved in the rotating shaft. Wherein, the swing arm 8 is a guitar profile structure, and both sides thereof are respectively provided with an arc groove. Safety switch 4 is corresponding to the arc recess installation on the right side of swing arm on the right safety tongs, so design, as shown in fig. 8, the arc recess on the right side of the swing arm on the right safety tongs 2 can regard as triggering position 80, triggers position 80 and is used for triggering safety switch 4, triggers the precision height.
The lower end of the swing arm on the left safety gear 1 of the embodiment is in linkage connection with the upper end of the swing arm on the right safety gear 2 through a link mechanism. Specifically, as shown in fig. 5, the link mechanism includes a rigging turnbuckle 11, a left threaded pull rod 12 and a right threaded pull rod 13, and a right end of the left threaded pull rod 12 and a left end of the right threaded pull rod are respectively in threaded connection with a left end and a right end of the rigging turnbuckle 12; the left end of the left thread pull rod 12 is connected with the lower end of the swing arm on the left safety gear 1 through a revolute pair, and the right end of the right thread pull rod 13 is connected with the upper end of the swing arm on the right safety gear 2 through a revolute pair, so that the two swing arms are respectively positioned on two sides of the extending direction of the left thread pull rod, and the compactness of a linkage connection structure and the linkage stability are improved. Wherein, revolute pair connects and can adopts corresponding adapter to realize, can specifically refer to prior art. The length of the link mechanism of the embodiment can be adjusted by screwing the rigging turnbuckle with the left threaded pull rod and the right threaded pull rod, so as to achieve the synchronism of the lifting of the left safety tongs and the lifting of the right safety tongs.
The length of the extended end of the swivel shaft on the left safety gear of the present embodiment is greater than the length of the extended end of the swivel shaft on the right safety gear in order to mount the lifting arm 14 on the extended end of the swivel shaft on the left safety gear. Specifically, the right end of the lifting arm 14 is provided with a mounting square hole matched with the square section of the rotating shaft 6, and the lifting arm is screwed into the mounting square hole from the outside of the lifting arm through a bolt so as to be fixed with a corresponding positioning hole reserved in the rotating shaft, so that the lifting arm 14 is in linkage fit with the rotating shaft 6; the left end of the lifting arm 14 far away from the rotating shaft is connected with a lifting head 15 for lifting linkage, the lifting head 15 is formed by vertically connecting three cylindrical pins between two parallel side plates, and the left end of the lifting arm 14 extends into the space between the two parallel side plates of the lifting head 15 and is rotatably connected with the cylindrical pin in the middle. The whole device only needs to be provided with the lifting arm 14 correspondingly on the left safety gear, and does not need to be provided with the lifting arm 14 correspondingly on the right safety gear. The lifting arm is positioned outside the swing arm at the same side, and the arm length of the lifting arm is greater than that of the swing arm, so that the moment transmission is facilitated.
As shown in fig. 9, a pressure spring 16 is sleeved outside the left threaded pull rod 12 of this embodiment, a pressure spring support 17 is fixedly mounted on a side plate of the left safety gear corresponding to the left threaded pull rod, the left threaded pull rod 12 penetrates through the pressure spring support 17, a left end of the pressure spring 16 close to the left end of the left threaded pull rod abuts against the pressure spring support 17, a right end of the pressure spring far away from the left end of the left threaded pull rod is limited by a pressure spring seat 18, the pressure spring seat 18 is fixed to the left threaded pull rod 12 through a nut 19 in a threaded connection manner, and a position of the pressure spring seat 18 is adjustable to adjust a pre-tightening force of the pressure spring 16, that is, a position of the pressure spring seat 18 is. In the embodiment, the pressure spring can reset the rotating shaft after the lifting mechanism acts, and the pretightening force of the pressure spring can be used for preventing the false operation of the safety gear, namely the false operation of the movable wedge block. In addition, a pressure spring guide seat 20 and a spherical washer 21 are sequentially installed between the left end of the pressure spring 16 and the pressure spring support 17, as shown in fig. 10, the structure of the pressure spring guide seat 20 is formed by a pressure spring seat, specifically, a spherical structure 20a is formed by outward forming of an inner cavity of the pressure spring seat, the middle part of the spherical structure is continuously formed outward to obtain a hollow cylinder 20b, and a through hole of the hollow cylinder is matched with the outer diameter of the left threaded pull rod 12 so that the left threaded pull rod 12 can penetrate through the through hole; the spherical structure of the pressure spring guide seat 20 abuts against the spherical surface of the spherical washer 21, as shown in fig. 11, a through hole 210 is formed in the middle of the spherical surface 21a of the spherical washer 21 so that the hollow cylinder of the pressure spring guide seat 20 and the left threaded pull rod 12 can penetrate through the through hole, and the diameter of the through hole 210 is larger than the outer diameter of the hollow cylinder 20b of the pressure spring guide seat so that the spherical washer and the pressure spring guide seat have a relatively movable space. This embodiment utilizes the pressure spring to support and leans on at the pressure spring guide holder, and the spherical surface cooperation of the spherical surface structure of pressure spring guide holder and spherical surface packing ring for the spring force of pressure spring remains the axial throughout, and the problem that the pressure spring warp when solving different gauge, overall structure's linkage stability is better. In addition, a gasket 22 is arranged between the spherical washer 21 and the pressure spring bracket 17, as shown in fig. 12, the gasket 22 has a through hole 220 matched with the hollow cylinder of the pressure spring guide seat 20 in size, so that the hollow cylinder of the pressure spring guide seat 20 can penetrate through the through hole, the free end of the hollow cylinder of the pressure spring guide seat 20 is locked and limited by a locking nut 23, and the locking nut 23 is in threaded connection with the left threaded pull rod 12, so that the stability of the structure is improved.
As shown in fig. 9, a limiting seat 24 is mounted on a side plate of the left safety gear of the present embodiment, and is used for limiting the swing stroke of a swing arm on the left safety gear, that is, for limiting the lifting of the lifting mechanism. Specifically, the limiting seat 24 is located on one side of the rotation direction of the swing arm 8, namely, the left side of the swing arm 8, the limiting seat 24 is provided with a limiting bolt 25 in threaded fit, and the swing stroke of the swing arm can be adjusted by adjusting the telescopic amount of the limiting bolt 25 relative to the limiting seat 24. Wherein, the pressure spring bracket 17 and the limiting seat 24 are integrally formed and have an integral structure.
The working principle of the integrated brake device for the elevator of the embodiment is as follows:
when the elevator speed limiter normally triggers the safety tongs to act, the lifting head is linked with the lifting arms which are synchronously linked with the swing arms and the rotating shafts corresponding to the safety tongs on the left side and the right side, so that the shifting forks on the two sides are linked, and the shifting forks rotate to jack up the movable wedge blocks of the safety tongs, thereby realizing braking; the lifting limiting of the lifting mechanism can be realized through the limiting bolt, and the safety is better.
When the wedge block rises due to some unconventional reasons, such as sand exists between the guide rail and the wedge block or the mounting and adjusting are not in place, misoperation is caused, namely the lifting mechanism is not linked with the rising of the movable wedge block, at the moment, the lifting plate rises to jack the trigger rod, so that the shifting fork is linked, and is sequentially linked with the rotating shaft, the swing arm, the link mechanism and the swing arm, so that the safety switch is triggered, and the safety of the elevator is guaranteed.
Example 2:
the integrated brake device for an elevator of the present embodiment is different from embodiment 1 in that:
the design of the pressure spring and the corresponding pressure spring bracket, pressure spring seat, nut, pressure spring guide seat and spherical washer in embodiment 1 is replaced by the design of the torsion spring in this embodiment, and the related design of the limiting seat is also omitted. Specifically, as shown in fig. 13 and 14, a torsion spring 26 is disposed between the side plate of the left safety gear and the swing arm thereon, and the torsion spring 26 is sleeved outside the rotation shaft corresponding to the left safety gear. Specifically, torsional spring 26's one end is connected on the curb plate of left safety tongs, and the other end supports to lean on the one side of connecting in swing arm swing direction, and torsional spring 26 is located outside the pincers body of safety tongs, installs the inside at the pincers body of safety tongs for prior art's torsional spring, is favorable to installing bigger torsional spring, provides bigger torsional moment, can make to carry and pull and reset after the mechanism action, also can prevent movable voussoir malfunction. Correspondingly, a torsion spring is also arranged between the side plate of the right safety gear and the swing arm thereon, and the specific structure can refer to the setting of the torsion spring corresponding to the left safety gear, which is not repeated herein.
Other structures can refer to embodiment 1.
Example 3:
the integrated brake device for an elevator of the present embodiment is different from embodiment 1 in that:
the section of the rotating shaft can also be circular, and correspondingly, the connecting structure connected with the rotating shaft is adaptively changed, so that structural diversification is realized.
Other structures can refer to embodiment 1.
The foregoing has been a detailed description of the preferred embodiments and principles of the present invention, and it will be apparent to those skilled in the art that variations may be made in the specific embodiments based on the concepts of the present invention, and such variations are considered as within the scope of the present invention.
Claims (10)
1. An integrated brake device for an elevator comprises two safety tongs and a lifting mechanism for linking the two safety tongs, wherein the lifting mechanism comprises a rotating shaft, a shifting fork and a swinging arm which are arranged corresponding to each safety tong; the swing arm is in linkage connection with an extending end of the rotating shaft, which is positioned outside the safety gear side plate; two corresponding swing arms of the two safety tongs are connected in a linkage way through a connecting rod mechanism, and the two swing arms face opposite directions; the safety tongs are characterized in that a safety switch is mounted on a side plate of the safety tongs corresponding to the other rotating shaft, a swing arm located on the same safety tongs with the safety switch is provided with a triggering position, and the triggering position is used for triggering the safety switch; the movable wedge block of the safety gear is provided with a jacking plate, and the jacking plate is provided with a jacking part extending to the lower part of the shifting fork; when the movable wedge block of the safety tongs acts, the jacking part of the jacking plate is linked with the shifting fork so as to realize the triggering of the safety switch.
2. The integrated brake device for elevator as claimed in claim 1, wherein the extended end of the fork has a notch, and the two side arms of the notch correspond to the two movable wedges of the safety gear one by one.
3. The integrated brake device for elevator as claimed in claim 2, wherein the both side arms of the notch of the fork have lugs on which the trigger bar is provided, respectively; the two trigger rods correspond to the two jacking plates of the safety tongs one by one; the jacking part of the jacking plate jacks up the trigger rod to link the shifting fork.
4. The integrated brake apparatus for elevator as claimed in claim 3, wherein a tension spring is provided between the lift plate and its corresponding lug.
5. The integrated brake device for elevator as claimed in claim 1, wherein the link mechanism comprises a rigging turnbuckle, a left threaded pull rod and a right threaded pull rod, a first end of the left threaded pull rod and a first end of the right threaded pull rod are respectively in threaded connection with two ends of the rigging turnbuckle, a second end of the left threaded pull rod is connected with a swing arm on the same side of the lifting arm through a revolute pair, and a second end of the right threaded pull rod is connected with another swing arm through a revolute pair.
6. The integrated brake device for the elevator according to claim 5, wherein a pressure spring is sleeved outside the left thread pull rod, a pressure spring support is installed on a side plate of the safety gear corresponding to the left thread pull rod, the left thread pull rod penetrates through the pressure spring support, a first end of the pressure spring, which is close to a second end of the left thread pull rod, abuts against the pressure spring support, a second end of the pressure spring, which is far away from the second end of the left thread pull rod, is limited by a pressure spring seat, the pressure spring seat is fixed to the left thread pull rod through nut threaded connection, and the position of the pressure spring seat is adjustable to adjust the pre-tightening force of the pressure spring.
7. The integrated brake device for the elevator as claimed in claim 6, wherein a pressure spring guide seat and a spherical washer are sequentially arranged between the first end of the pressure spring and the pressure spring bracket, a spherical structure is formed outwards in an inner cavity of the pressure spring guide seat, and the spherical structure abuts against a spherical surface of the spherical washer; the left threaded pull rod penetrates through the pressure spring guide seat and the spherical washer.
8. The integrated brake device for the elevator as claimed in any one of claims 1 to 5, wherein a torsion spring is disposed between the side plate and the swing arm of the safety gear, and the torsion spring is sleeved outside the rotation shaft.
9. The integrated brake device for the elevator as claimed in any one of claims 1 to 7, wherein a limit seat is installed on a side plate of the safety gear, a limit bolt is screwed on the limit seat, and the amount of expansion and contraction of the limit bolt relative to the limit seat is adjusted to adjust the swing stroke of the swing arm.
10. An integrated brake apparatus for elevator according to any one of claims 1 to 7, wherein the rotating shaft has a square or circular cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151291.8U CN212292413U (en) | 2020-09-27 | 2020-09-27 | Integrated brake device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151291.8U CN212292413U (en) | 2020-09-27 | 2020-09-27 | Integrated brake device for elevator |
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| Publication Number | Publication Date |
|---|---|
| CN212292413U true CN212292413U (en) | 2021-01-05 |
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| CN202022151291.8U Active CN212292413U (en) | 2020-09-27 | 2020-09-27 | Integrated brake device for elevator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014125A (en) * | 2021-10-22 | 2022-02-08 | 苏州东方富力电梯部件有限公司 | Elevator safety tongs integral type is carried and is drawn mechanism |
| CN114314244A (en) * | 2020-09-27 | 2022-04-12 | 杭州沪宁电梯部件股份有限公司 | Integrated brake device for elevator |
| CN114955782A (en) * | 2021-02-26 | 2022-08-30 | 杭州沪宁电梯部件股份有限公司 | Brake assembly for safety protection device |
| CN115448124A (en) * | 2021-06-09 | 2022-12-09 | 杭州沪宁电梯部件股份有限公司 | Wedge block lifting mechanism and lifting assembly |
-
2020
- 2020-09-27 CN CN202022151291.8U patent/CN212292413U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314244A (en) * | 2020-09-27 | 2022-04-12 | 杭州沪宁电梯部件股份有限公司 | Integrated brake device for elevator |
| CN114314244B (en) * | 2020-09-27 | 2024-05-07 | 杭州沪宁电梯部件股份有限公司 | Integrated braking device for elevator |
| CN114955782A (en) * | 2021-02-26 | 2022-08-30 | 杭州沪宁电梯部件股份有限公司 | Brake assembly for safety protection device |
| CN114955782B (en) * | 2021-02-26 | 2024-05-07 | 杭州沪宁电梯部件股份有限公司 | Braking assembly for safety protection device |
| CN115448124A (en) * | 2021-06-09 | 2022-12-09 | 杭州沪宁电梯部件股份有限公司 | Wedge block lifting mechanism and lifting assembly |
| CN115448124B (en) * | 2021-06-09 | 2024-05-07 | 杭州沪宁电梯部件股份有限公司 | Wedge lifting mechanism and lifting assembly |
| CN114014125A (en) * | 2021-10-22 | 2022-02-08 | 苏州东方富力电梯部件有限公司 | Elevator safety tongs integral type is carried and is drawn mechanism |
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