CN108328448B - Ratchet and rope sheave integrated elevator speed limiter - Google Patents
Ratchet and rope sheave integrated elevator speed limiter Download PDFInfo
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- CN108328448B CN108328448B CN201810180156.0A CN201810180156A CN108328448B CN 108328448 B CN108328448 B CN 108328448B CN 201810180156 A CN201810180156 A CN 201810180156A CN 108328448 B CN108328448 B CN 108328448B
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- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 8
- 230000001817 pituitary effect Effects 0.000 claims description 124
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 239000011324 bead Substances 0.000 claims description 6
- 238000010009 beating Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 210000003734 kidney Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an integrated elevator speed limiter with a ratchet wheel and a rope wheel, which mainly comprises a bracket, wherein a speed limiter switch is arranged at the upper part of the bracket, the bracket comprises a bottom plate and a side wall, a rope wheel assembly is arranged in the bracket, the rope wheel assembly comprises a rope wheel mechanism and a ratchet wheel mechanism, which are used for winding a steel wire rope, the rope wheel mechanism comprises a first hub, a rope groove which is used for winding the steel wire rope is arranged at the outer edge of the first hub, a ratchet wheel mechanism with the same size as the rope wheel mechanism is arranged at one side of the rope wheel mechanism, the ratchet wheel mechanism comprises a ratchet wheel which is arranged at the outer edge of a second hub along the circumferential direction, the first hub and the second hub are coaxial and are of an integrated structure, and a brake assembly which is used for driving the rope wheel assembly to stop rotating is arranged at one side of the rope wheel assembly.
Description
Technical Field
The invention relates to an elevator speed limiter, in particular to an elevator speed limiter with a ratchet wheel and a rope wheel integrated.
Background
An elevator speed limiter is one of safety control components in an elevator safety protection system, when an elevator is overspeed in any reason during operation and even falls, under the condition that all other safety protection devices do not work, the speed limiter and safety tongs perform linkage action to stop the elevator car, the elevator speed limiter disclosed in China patent 201210552798.1 currently used in the market is disclosed, a rope pulley is pivoted on a machine seat through a rope pulley shaft, a steel wire rope bypasses the rope pulley, a centrifugal hammer is symmetrically and rotatably pivoted on the rope pulley through a centrifugal hammer shaft, an electric switch firing pin is arranged on the centrifugal hammer, and a ratchet wheel is rotatably arranged on the rope pulley shaft, but the rope pulley and the ratchet wheel in the structure are of a split structure, so that a rope pulley assembly structure is complex, after the service time is long, the rope pulley shaft is worn, and the ratchet wheel and the rope pulley can rotate asynchronously.
Disclosure of Invention
The invention solves the technical problem of providing the ratchet wheel and rope wheel integrated elevator speed limiter which enables the elevator speed limiter to be more stable.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an elevator overspeed governor of ratchet and rope sheave integral type, includes the support, installs the overspeed governor switch on support upper portion, the support includes bottom plate and lateral wall, be provided with rope sheave subassembly in the support, rope sheave subassembly is including rope sheave mechanism and the ratchet that is used for winding wire rope, rope sheave mechanism includes first wheel hub, first wheel hub is outer to be provided with winding wire rope's rope groove, rope sheave mechanism one side is provided with the ratchet that is the same with rope sheave mechanism wheel hub size, ratchet includes the ratchet that second wheel hub periphery set up, first wheel hub and the coaxial and as an organic whole structure of second wheel hub, rope sheave subassembly one side is provided with the brake subassembly that drives rope sheave subassembly and stop pivoted.
Further is: the brake assembly comprises a compression spring which is vertically arranged, the lower end of the compression spring is fixed on a bottom plate, a pawl which can be clamped into a ratchet mechanism is arranged at the upper end of the compression spring, a third through hole is formed in the lower portion of the pawl, the brake assembly further comprises a brake shoe, a first kidney-shaped hole is formed in the upper portion of the brake shoe, a third kidney-shaped hole is formed in the lower portion of the brake shoe, a second through hole which is formed in the upper portion of the side wall of the brake assembly and a second kidney-shaped hole which is formed in the lower portion of the side wall of the brake assembly are arranged, the brake shoe further comprises a brake shoe shaft penetrating through the second through hole and a brake shaft penetrating through the second kidney-shaped hole, the pawl is arranged on the brake shaft through the third through hole, the brake shoe is arranged on the brake shoe shaft through the third kidney-shaped hole, the first kidney-shaped hole penetrates through the brake shoe shaft, and the brake assembly which is hinged to the side wall is used for triggering the brake assembly to conduct braking operation is further arranged in the rope pulley mechanism, and the pituitary assembly which provides a triggering force for the brake assembly is further arranged in the rope pulley mechanism.
Further is: the pituitary assembly comprises a first pituitary assembly and a second pituitary assembly, the first pituitary assembly comprises a first pituitary support, one end of the first pituitary support is hinged with the rope wheel assembly, the other end of the first pituitary support is provided with a first pituitary, one side of the first pituitary is provided with a first rod which can be contacted with the stop block assembly, and the other side of the first pituitary is provided with a first connecting shaft which passes through the first pituitary support;
The second pituitary assembly comprises a second pituitary support, one end of the second pituitary support is hinged with the rope wheel assembly, the other end of the second pituitary support is provided with a second pituitary, one side of the second pituitary is provided with a second driving rod which can be contacted with the stop block assembly, the other side of the second pituitary is provided with a second linkage shaft which penetrates through the second pituitary support, and the first pituitary assembly and the second pituitary assembly are further provided with a spring mechanism for controlling the movement radius of the first pituitary assembly and the second pituitary assembly.
Further is: the rope pulley assembly is characterized by further comprising a connecting rod, the middle part of the connecting rod is installed in the middle of the rope pulley assembly through a bearing and synchronously rotates along with the rope pulley assembly, kidney-shaped limiting holes are formed in two ends of the connecting rod, and the two kidney-shaped limiting holes are respectively sleeved on the first connecting shaft and the second connecting shaft.
Further is: the spring mechanism also comprises a screw rod, a spring stop block is arranged on one side of the second pituitary body support close to the second pituitary body, a spring penetrating hole is arranged in the spring stop block, one end of the screw rod is arranged at the hinge joint of the first pituitary body support and the rope pulley component through a fixed copper block, the other end of the screw rod penetrates through the spring penetrating hole, two spring fixing washers are arranged at one end of the screw rod penetrating through the spring stop block, and the spring is sleeved on the screw rod and located between the two spring fixing washers.
Further is: the stop assembly comprises a stop body, the middle of the stop body is hinged to the side wall of the support, one end of the stop assembly is provided with a glass bead screw which is in contact with the pawl and used for blocking the pawl, and the other end of the stop assembly is provided with a set screw which is used for receiving external rotation force of the pituitary assembly.
The beneficial effects of the invention are as follows: the rope wheel mechanism and the ratchet wheel mechanism in the elevator speed limiter are of an integrated structure, so that the synchronous movement of the ratchet wheel mechanism and the rope wheel mechanism can be guaranteed under any condition, the working stability of the speed limiter is guaranteed, the compression spring is designed to be of a vertical structure by the braking component, and the braking structure can realize the braking action on the rope wheel component only by occupying a small space on one side of the rope wheel component through the linkage design of the compression spring, the brake shoe shaft and the pawl, so that the occupied space of the elevator speed limiter is greatly reduced, and the elevator speed limiter can adapt to the use of the small space.
Drawings
Fig. 1 is a schematic diagram of an elevator governor.
Fig. 2 is an exploded view of an elevator governor.
Fig. 3 is a schematic view of a stent.
Fig. 4 is a schematic diagram of a sheave mechanism.
Fig. 5 is a schematic view of a first pituitary assembly.
Fig. 6 is a schematic diagram of a second pituitary assembly.
Fig. 7 is a schematic view of a spring mechanism.
FIG. 8 is a schematic diagram of block components.
Fig. 9 is a schematic diagram of a pulley assembly hub.
Marked in the figure as: the brake shoe comprises a bracket 1, a speed limiter switch 2, a rope pulley mechanism 3, a ratchet mechanism 4, a compression spring 5, a pawl 6, a third through hole 7, a brake shoe 8, a first kidney hole 9, a third kidney hole 10, a second through hole 11, a second kidney hole 12, a brake shoe shaft 13, a brake shaft 14, a stop assembly 15, a stop body 151, a bead screw 152, a set screw 153, a first pituitary assembly 16, a first pituitary bracket 161, a first pituitary 162, a first lever 163, a first linkage 164, a second pituitary assembly 17, a second pituitary bracket 171, a second pituitary 172, a second lever 173, a second linkage 174, a spring stop 175, a spring mechanism 18, a screw 181, a fixed copper block 182, a spring fixing washer 183, a spring 184, a connecting rod 19, a kidney-shaped limiting hole 20, a first hub 21, and a second hub 22.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
A ratchet and rope pulley integrated elevator speed limiter as shown in fig. 1 and 9 comprises a bracket 1, a speed limiter switch 2 is arranged at the upper part of the bracket 1, the bracket 1 comprises a bottom plate and side walls, a rope pulley assembly is arranged in the bracket 1, the rope pulley assembly comprises a rope pulley mechanism 3 and a ratchet mechanism 4 which are used for winding a steel wire rope, the rope pulley mechanism 3 comprises a first hub 21, a rope groove used for winding the steel wire rope is arranged at the outer edge of the first hub 21, a ratchet mechanism with the same size as that of the rope pulley mechanism hub is arranged at one side of the rope pulley mechanism, the ratchet mechanism 4 comprises a ratchet wheel which is arranged at the outer edge of a second hub 22 in the circumferential direction, the first hub and the second hub are coaxial and are of an integrated structure, a brake assembly used for driving the rope pulley assembly to stop rotating is arranged at one side of the rope pulley assembly, and when the elevator is in an overspeed state, the brake assembly is started, a speed limiter switch signal is given so that the power supply of the elevator is cut off, a traction machine brake acts, and the elevator stops; if the action of a traction machine brake is not timely or fails, a brake assembly can brake the ratchet mechanism and the rope pulley mechanism, and the rope pulley mechanism and the ratchet mechanism in the elevator speed limiter are of an integrated structure, so that the synchronous movement of the ratchet mechanism and the rope pulley mechanism can be guaranteed under any condition, and the working stability of the speed limiter is guaranteed.
On the basis of the above, as shown in fig. 1 and 2, the brake assembly comprises a compression spring 5 which is vertically arranged, the lower end of the compression spring 5 is fixed on a bottom plate, a pawl 6 which can be clamped into a ratchet mechanism 4 is arranged at the upper end of the compression spring 5, a third through hole 7 is arranged at the lower part of the pawl 6, the brake assembly further comprises a brake shoe 8, a first waist-shaped hole 9 is arranged at the upper part of the brake shoe 8, a third waist-shaped hole 10 is arranged at the lower part of the brake shoe 8, a second through hole 11 which is arranged at the upper part and a second waist-shaped hole 12 which is arranged at the lower part are arranged on the side wall of the brake assembly, a brake shoe shaft 13 which passes through the second through hole 11 and a brake shaft 14 which passes through the second waist-shaped hole 12 are arranged, the pawl 6 is arranged on the brake shaft 14 through the third waist-shaped hole 7, the brake shoe 8 is arranged on the brake shaft 14 through the third waist-shaped hole 10, a brake shoe 9 passes through the brake shoe shaft 13, a block assembly 15 which is hinged on the side wall and is used for triggering the brake assembly to operate, a brake assembly further comprises a rope sheave stopper mechanism 15 which is arranged in the following manner, and a speed limiter assembly is further arranged on the elevator brake assembly, and a speed limiter is provided on the principle: when the elevator reaches the speed limit of the speed limiter, the descending speed of the elevator is increased, so that the rotating speed of the rope pulley assembly is increased, namely the centrifugal force borne by the pituitary assembly is increased, the movement radius of the pituitary assembly is increased, the pituitary assembly firstly collides with the speed limiter switch 2, the power supply of the elevator is cut off, the traction machine brake acts, and the elevator is stopped; if the action of a traction machine brake is not timely or invalid, the pituitary assembly continuously rotates to the stop assembly 15, so that the stop assembly 15 rotates, the stop assembly 15 loses the blocking force to the pawl 6, the pawl 6 is clamped into the ratchet mechanism 4 under the driving of the compression spring 5, at the moment, the ratchet mechanism 4 still continuously rotates downwards for a certain distance along with the rope pulley mechanism 3, so that the pawl 6 drives the compression spring 5 to downwards press, and simultaneously drives the brake shaft 14 to move to the lower part of the second kidney-shaped hole 12 during the downwards pressing, so that the brake shoe 8 is arranged on the brake shaft 14 through the third kidney-shaped hole 10, so that the lower end of the brake shoe 8 moves downwards along with the direction of the rope pulley assembly under the limit of the first kidney-shaped hole 9, and a steel wire rope in the rope pulley assembly is clamped, so that the brake function is realized.
On the basis of the above, as shown in fig. 4 to 6, the pituitary assembly comprises a first pituitary assembly 16 and a second pituitary assembly 17, the first pituitary assembly 16 comprises a first pituitary support 161, one end of the first pituitary support 161 is hinged with the rope pulley assembly, the other end of the first pituitary support 161 is provided with a first pituitary 162, one side of the first pituitary 162 is provided with a first beating rod 163 which can be contacted with the stop assembly 15, and the other side of the first pituitary 162 is provided with a first connecting shaft 164 which passes through the first pituitary support 161; the second pituitary assembly 17 comprises a second pituitary support 171, one end of the second pituitary support 171 is hinged with the rope wheel assembly, the other end of the second pituitary support 171 is provided with a second pituitary 172, one side of the second pituitary 172 is provided with a second beating rod 173 which can be contacted with the stop assembly 15, the other side of the second pituitary 172 is provided with a second linkage shaft 174 which passes through the second pituitary support 171, the first pituitary assembly 16 and the second pituitary assembly 17 are also provided with a spring mechanism 18 which is used for controlling the movement radius of the first pituitary assembly 16 and the second pituitary assembly 17, when the rope wheel assembly rotates normally, the movement radius of the first pituitary assembly 16 and the second pituitary assembly 17 is small under the action of the spring mechanism 18, so that the pituitary assembly can not beat the stop assembly 15 in the rotating process, thereby triggering the subsequent braking assembly, when the elevator exceeds the limiting speed of the speed limiter, the speed of the elevator car is increased, the rotation speed of the rope wheel assembly increases, so that the centrifugal force of the first pituitary assembly 16 and the second pituitary assembly 17 is increased, and the second pituitary assembly 17 can be triggered by the second pituitary assembly 17, and the second pituitary assembly 17 can be triggered by the accurate, and the second pituitary assembly can be triggered by the second pituitary assembly 17, and the second pituitary assembly can be triggered by the second pituitary assembly, and the second pituitary assembly can be triggered by the speed, and the second pituitary assembly, and the brake assembly can be triggered by the speed.
On the basis of the above, as shown in fig. 4, the device further comprises a connecting rod 19, the middle part of the connecting rod 19 is installed in the middle of the rope pulley assembly through a bearing and rotates synchronously along with the rope pulley assembly, two ends of the connecting rod 19 are respectively provided with kidney-shaped limiting holes 20, the two kidney-shaped limiting holes 20 are respectively sleeved on a first connecting shaft 164 and a second connecting shaft 174, and the arrangement of the connecting rod 19 can limit the movement radius of the first pituitary assembly 16 and the second pituitary assembly 17, so that after the movement radius of the first pituitary assembly 16 and the second pituitary assembly 17 is increased, the movement radius of the first pituitary assembly 16 and the second pituitary assembly 17 can only be within the limit range of the kidney-shaped limiting holes 20, and therefore the first beating rod 163 or the second beating rod 173 can accurately beat the speed limiter switch 2 and the stop assembly 15 under overspeed conditions.
On the basis of the above, as shown in fig. 7, the spring mechanism 18 further comprises a screw rod 181, a spring stop 175 is arranged on one side of the second pituitary body support 171 near the second pituitary body support 172, a spring through hole is arranged in the spring stop 175, one end of the screw rod 181 is arranged at the hinge position of the first pituitary body support 161 and the rope pulley component through a fixed copper block 182, the other end of the screw rod 181 penetrates through the spring through hole, two spring fixing washers 183 are arranged on one end of the screw rod 181 penetrating through the spring stop 175, the springs 184 are sleeved on the screw rod 181 and are positioned between the two spring fixing washers 183, in the normal rotation process, the opposite ends of the first pituitary body support 161 and the second pituitary body support 171 are acted by the springs 184, so that the first pituitary body support 161 and the second pituitary body support 171 rotate within a small movement radius range, and the centrifugal force increased by the first pituitary body component 16 and the second pituitary body component 17 overcomes the spring 184 force, so that the movement radius of the first pituitary body component 16 and the second pituitary body component 17 is increased, and the second pituitary body component 172 is increased, and the brake component 173 is not braked, and the brake component is driven by the brake component is not started, and the brake component is stopped, 15 is stopped, and the brake component is not braked.
On the basis of the above, as shown in fig. 8, the stop assembly 15 includes a stop body 151, the middle part of the stop body 151 is hinged to the side wall of the bracket 1, one end of the stop assembly 15 is provided with a bead screw 152 contacting with the pawl 6 for blocking the pawl 6, the other end of the stop assembly 15 is provided with a set screw 153 for receiving the external rotation force of the pituitary assembly, in the original state, the end of the bead screw 152 of the stop assembly 15 is in contact with the pawl 6, so that the pawl 6 cannot be blocked in the ratchet mechanism 4, when the end of the set screw 153 is subjected to the external force given by the pituitary assembly, the stop body 151 rotates around the hinge point, so that the interference force of the bead screw 152 to the pawl 6 disappears, and the brake assembly is triggered to perform the braking operation.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (4)
1. The utility model provides an elevator overspeed governor of ratchet and rope sheave integral type, includes support (1), and overspeed governor switch (2) are installed on support (1) upper portion, support (1) include bottom plate and lateral wall, its characterized in that: a rope pulley assembly is arranged in the support (1), the rope pulley assembly comprises a rope pulley mechanism (3) and a ratchet mechanism (4) which are used for winding a steel wire rope, the rope pulley mechanism (3) comprises a first hub, a rope groove which is used for winding the steel wire rope is formed in the outer edge of the first hub, a ratchet mechanism which is the same as the rope pulley mechanism in size is arranged on one side of the rope pulley mechanism, the ratchet mechanism (4) comprises a ratchet which is arranged in the outer edge of a second hub in the circumferential direction, the first hub and the second hub are coaxial and are of an integrated structure, and a brake assembly which is used for driving the rope pulley assembly to stop rotating is arranged on one side of the rope pulley assembly;
The brake assembly comprises a compression spring (5) which is vertically arranged, the lower end of the compression spring (5) is fixed on a bottom plate, a pawl (6) which can be clamped into a ratchet mechanism (4) is arranged at the upper end of the compression spring (5), a third through hole (7) is arranged at the lower part of the pawl (6), the brake assembly further comprises a brake shoe (8), a first kidney-shaped hole (9) is arranged at the upper part of the brake shoe (8), a third kidney-shaped hole (10) is arranged at the lower part of the brake shoe (8), a second through hole (11) which is arranged at the upper part and a second kidney-shaped hole (12) which is arranged at the lower part are arranged on the side wall of the brake assembly, a brake shoe shaft (13) which passes through the second through hole (11) and a brake shaft (14) which passes through the second kidney-shaped hole (12) are arranged on the brake shaft (6), the brake shoe (8) is arranged on the brake shaft (14) through the third kidney-shaped hole (10), the brake shoe (9) is arranged on the brake shoe shaft (13) through the brake shoe shaft (13), and the brake assembly further comprises a brake pad (15) which is arranged on the brake assembly in a brake assembly which is further comprises a brake assembly triggering part;
The stop assembly (15) comprises a stop body (151), the middle of the stop body (151) is hinged to the side wall of the support (1), one end of the stop assembly (15) is provided with a bead screw (152) which is in contact with the pawl (6) and used for blocking the pawl (6), and the other end of the stop assembly (15) is provided with a set screw (153) which is used for receiving external rotation force of the pituitary assembly.
2. A ratchet and sheave integrated elevator governor as in claim 1, wherein: the pituitary assembly comprises a first pituitary assembly (16) and a second pituitary assembly (17), the first pituitary assembly (16) comprises a first pituitary support (161), one end of the first pituitary support (161) is hinged with the rope pulley assembly, the other end of the first pituitary support (161) is provided with a first pituitary (162), one side of the first pituitary (162) is provided with a first beating rod (163) which can be contacted with the stop assembly (15), and the other side of the first pituitary (162) is provided with a first connecting shaft (164) which penetrates through the first pituitary support (161);
The second pituitary assembly (17) comprises a second pituitary support (171), one end of the second pituitary support (171) is hinged with the rope wheel assembly, a second pituitary (172) is mounted at the other end of the second pituitary support (171), a second beating rod (173) which can be contacted with the stop assembly (15) is arranged on one side of the second pituitary (172), a second linkage shaft (174) which penetrates through the second pituitary support (171) is arranged on the other side of the second pituitary (172), and a spring mechanism (18) which is used for controlling the movement radius of the first pituitary assembly (16) and the second pituitary assembly (17) is further arranged on the first pituitary assembly (16) and the second pituitary assembly (17).
3. A ratchet and sheave integrated elevator governor as in claim 2, wherein: the rope pulley assembly is characterized by further comprising a connecting rod (19), the middle part of the connecting rod (19) is installed in the middle of the rope pulley assembly through a bearing and synchronously rotates along with the rope pulley assembly, waist-shaped limiting holes (20) are formed in two ends of the connecting rod (19), and the two waist-shaped limiting holes (20) are respectively sleeved on a first connecting shaft (164) and a second connecting shaft (174).
4. A ratchet and sheave integrated elevator governor as in claim 3, wherein: still include spring mechanism (18) including screw rod (181), second pituitary support (171) are close to second pituitary (172) one side and are provided with spring dog (175), be provided with the spring in the spring dog (175) and pass the hole, screw rod (181) one end is installed in first pituitary support (161) and rope sheave subassembly articulated department through fixed copper piece (182), the spring passes the hole in screw rod (181) other end, screw rod (181) pass spring dog (175) one end and are provided with two spring fixed washers (183), spring (184) cover are established on screw rod (181) and are located between two spring fixed washers (183).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180156.0A CN108328448B (en) | 2018-03-05 | 2018-03-05 | Ratchet and rope sheave integrated elevator speed limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180156.0A CN108328448B (en) | 2018-03-05 | 2018-03-05 | Ratchet and rope sheave integrated elevator speed limiter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108328448A CN108328448A (en) | 2018-07-27 |
| CN108328448B true CN108328448B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810180156.0A Active CN108328448B (en) | 2018-03-05 | 2018-03-05 | Ratchet and rope sheave integrated elevator speed limiter |
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| Country | Link |
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| CN (1) | CN108328448B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110217665B (en) * | 2019-07-09 | 2024-04-02 | 象山昌升机械配件有限公司 | Link mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202623972U (en) * | 2012-05-21 | 2012-12-26 | 洛阳鑫迪铁道电气化有限公司 | Main ratchet wheel of compensation device |
| JP6092344B1 (en) * | 2015-11-02 | 2017-03-08 | 東芝エレベータ株式会社 | Elevator governor equipment |
| CN206645669U (en) * | 2017-01-19 | 2017-11-17 | 杭州吉时语科技有限公司 | A kind of cam-type elevator governor |
-
2018
- 2018-03-05 CN CN201810180156.0A patent/CN108328448B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202623972U (en) * | 2012-05-21 | 2012-12-26 | 洛阳鑫迪铁道电气化有限公司 | Main ratchet wheel of compensation device |
| JP6092344B1 (en) * | 2015-11-02 | 2017-03-08 | 東芝エレベータ株式会社 | Elevator governor equipment |
| CN206645669U (en) * | 2017-01-19 | 2017-11-17 | 杭州吉时语科技有限公司 | A kind of cam-type elevator governor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108328448A (en) | 2018-07-27 |
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Effective date of registration: 20240412 Address after: No. 7, Fifth Road, Jingshan Third Industrial Zone, Chashan Town, Dongguan, Guangdong 523000 Applicant after: Xizi Frans Elevator (Guangdong) Co.,Ltd. Country or region after: China Address before: 315000 Lianfeng Village, Shiwa Street, Haishu District, Ningbo City, Zhejiang Province Applicant before: NINGBO MOTOYOSHI INTELLIGENT TECHNOLOGY CO.,LTD. Country or region before: China |
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