CN215755812U - Cage of construction elevator in shaft and manual braking device thereof - Google Patents
Cage of construction elevator in shaft and manual braking device thereof Download PDFInfo
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- CN215755812U CN215755812U CN202121541551.0U CN202121541551U CN215755812U CN 215755812 U CN215755812 U CN 215755812U CN 202121541551 U CN202121541551 U CN 202121541551U CN 215755812 U CN215755812 U CN 215755812U
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Abstract
The utility model belongs to the technical field of elevators in a shaft, and particularly relates to a cage of a construction elevator in a shaft and a manual braking device thereof, which are applied to the construction elevator in the shaft, wherein the construction elevator in the shaft comprises a cage which is arranged in the shaft and is in sliding connection with a guide rail on the inner wall of the cage, and the manual braking device comprises a safety tongs and a braking transmission part; the safety tongs set up in outside the cage and parcel part the periphery of guide rail, the one end of braking driving medium with the safety tongs is connected, the other end of braking driving medium passes the cage and set up in the cage, when malfunctioning condition appears in the overspeed governor, when the cage descending speed surpassed earlier many limited safe speed, the constructor who is located the cage was through the braking driving medium that the pulling is located the cage to draw the work of safety tongs, and then make the safety tongs hold the guide rail tightly and brake the cage, the unusual cage braking brake that will appear the descending speed stops.
Description
Technical Field
The utility model belongs to the technical field of elevators in a hoistway, and particularly relates to a cage of a construction elevator in the hoistway and a manual braking device thereof.
Background
The existing building enterprises want to improve competitiveness, firstly, on the premise of ensuring construction safety and building quality, construction efficiency is improved, and accordingly continuous improvement of construction equipment is required.
In order to guarantee the safety of construction, the existing construction elevator is provided with a safety device consisting of a speed limiter and safety tongs, when the speed limiter detects that the cage has abnormal descending speed or moves accidentally, the safety tongs are controlled to hold the slide rail tightly, so that the brake effect is achieved on the cage, however, if the speed limiter has a failure condition in the construction process, the safety tongs cannot be controlled to hold the slide rail tightly, and the pier bottom accident can only happen by means of the cage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cage of a construction elevator in a shaft and a manual braking device thereof, and aims to solve the technical problem that the cage cannot be stopped if a speed limiter fails in the construction process in the prior art.
In order to achieve the purpose, the embodiment of the utility model provides 1. a manual braking device, which is applied to a construction elevator in a shaft, wherein the construction elevator in the shaft comprises a suspension cage which is arranged in the shaft and is in sliding connection with a guide rail on the inner wall of the shaft, and the manual braking device comprises a safety gear and a braking transmission part; the safety gear is arranged outside the suspension cage and wraps part of the periphery of the guide rail, one end of the brake transmission member is connected with the safety gear, and the other end of the brake transmission member penetrates through the suspension cage and is arranged in the suspension cage.
Optionally, the brake transmission part comprises a brake handle, a cable and a fixed sleeve, the lower end of the cable is connected with the safety tongs, the upper end of the cable is arranged in the suspension cage, the brake handle is connected with the upper end of the cable, and the fixed sleeve covers the cable between the suspension cage and the safety tongs.
Optionally, a through hole is formed in the lower end of the side portion of the suspension cage, the upper end of the fixing sleeve is fixed in the through hole, and the lower end of the fixing sleeve is fixed at a bottom beam steel plate of the suspension cage.
Optionally, the braking transmission member includes a fixed seat, a braking handle and a transmission member, the fixed seat is mounted on the outer side wall of the suspension cage, the middle part of the braking handle is pivoted to the fixed seat, one end of the braking handle penetrates through the suspension cage and is arranged in the suspension cage, the other end of the braking handle is movably connected with the upper end of the transmission member, and the lower end of the transmission member is movably connected with the safety tongs.
Optionally, the transmission member is a pull rope or a pull rod.
Optionally, the manual braking device includes two safety tongs and a linkage assembly, the two safety tongs wrap a portion of the track on two opposite sides of the hoistway, the linkage assembly is installed between the two safety tongs, and the braking transmission member is connected with one of the safety tongs and used for pulling the safety tongs to swing its own angle, so as to drive the linkage assembly to move.
Optionally, the linkage assembly comprises a linkage rod and two linkage pull arms, one ends of the two linkage pull arms are respectively and movably connected to the end of the linkage rod, the other ends of the two linkage pull arms are respectively connected with the safety gear, and the brake transmission member is connected with one of the linkage pull arms.
Optionally, the linkage assembly further comprises a baffle, an adjusting piece and a resetting piece, the baffle is installed on the bottom of one side, close to the braking transmission piece, of the suspension cage, the adjusting piece is installed on the linkage rod, and the resetting piece is connected between the baffle and the adjusting piece.
Optionally, the linkage rod includes a first pull rod arm, a second pull rod arm and an adjusting arm, and the adjusting arm is connected between the first pull rod arm and the second pull rod arm and is used for adjusting a distance between the first pull rod arm and the second pull rod arm.
One or more technical solutions in the manual braking device provided by the embodiment of the present invention have at least one of the following technical effects: when the overspeed governor breaks down, when the cage descent speed exceeded earlier many the safety speed of injecing, the constructor that is located the cage was through the braking driving medium that the pulling is located the cage, thereby pull the work of safety tongs, and then make the safety tongs hold the guide rail tightly and brake the cage, the cage braking brake that the descent speed is unusual will appear finally stops, constructor in the cage can take initiative braking effect in the cage that descends in the face of the stall, the safety problem of stall appears in the cage has been solved, can avoid the emergence of accident, the phenomenon at the bottom of the direct pier of cage has been avoided, construction safety has been improved, constructor's life safety and property safety have been ensured.
The utility model also provides a cage of the construction elevator in the well, which comprises the manual braking device.
One or more technical schemes in the suspension cage of the construction elevator in the shaft provided by the embodiment of the utility model at least have one of the following technical effects: by adopting the manual braking device, when the speed limiter has a failure condition, and the descending speed of the cage exceeds the safety speed which is more limited firstly, a constructor in the cage pulls the braking transmission part in the cage, so as to pull the safety tongs to work, further the safety tongs tightly hold the guide rail to brake the cage, finally the cage with abnormal descending speed is braked and stopped, the constructor in the cage can take an active braking effect in the face of the cage with reduced stall, the safety problem of stall of the cage is solved, the occurrence of accidents can be avoided, the phenomenon that the cage directly blocks the bottom is avoided, the construction safety is improved, and the life safety and property safety of the constructor are ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a construction elevator in a hoistway according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a manual braking device in the construction elevator in the hoistway shown in fig. 1.
Fig. 3 is a schematic structural view of a construction elevator in a hoistway according to another embodiment of the present invention.
Fig. 4 is a schematic structural view of the manual braking device in the construction elevator in the hoistway shown in fig. 3.
Fig. 5 is a schematic structural diagram of a safety gear in a construction elevator in a hoistway according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a linkage assembly in a construction elevator in a hoistway according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-cage 20-safety tongs 21-tongs body
22-rotating shaft 23-traction rope 24-wedge block
30-brake transmission member 31-inhaul cable 32-fixed sleeve
33-fixed seat 34-transmission piece 35-brake handle
40-linkage assembly 41-linkage rod 411-first pull rod arm
412-second pull rod arm 413-adjusting arm 42-linkage pull arm
42 a-left linkage draw arm 42 b-right linkage draw arm 43-baffle
44-adjusting element 45-resetting element.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in fig. 1-6, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In one embodiment of the present invention, as shown in fig. 1 to 6, there is provided a manual braking device for use in a construction elevator in a hoistway, the construction elevator in the hoistway including a cage 10 disposed in the hoistway and slidably coupled to a guide rail on an inner wall thereof, the manual braking device including a safety gear 20 and a brake driving member 30; the safety gear 20 is arranged outside the cage 10 and wraps part of the periphery of the guide rail, one end of the brake transmission member 30 is connected with the safety gear 20, and the other end of the brake transmission member 30 penetrates through the cage 10 and is arranged in the cage 10.
Specifically, when the condition that the overspeed governor is out of order appears, when cage 10 descent speed exceeded earlier many limited safety speed, the constructor that is located the cage 10 was through the braking driving medium 30 that the pulling is located the cage 10, thereby pull safety tongs 20 work, and then make safety tongs 20 hug closely the guide rail and brake cage 10, the cage 10 braking brake that the descent speed is unusual will appear finally, constructor in cage 10 can take active braking effect in the cage 10 that descends in the face of the stall, the safety problem that the stall appears in cage 10 has been solved, can avoid the emergence of accident, the phenomenon at the bottom of the direct pier of cage 10 has been avoided, construction's security has been improved, constructor's life safety and property safety have been guaranteed.
Example one
In this embodiment, as shown in fig. 1 to 2 and fig. 5 to 6, the brake transmission member 30 includes a brake handle (not shown), a cable 31 and a fixing sleeve 32, a lower end of the cable 31 is connected to the safety gear 20, an upper end of the cable 31 is disposed in the cage 10, the brake handle is connected to an upper end of the cable 31, and the fixing sleeve 32 covers the cable 31 between the cage 10 and the safety gear 20. Specifically, adopt the simple structure of cable 31, low in manufacturing cost to can satisfy the work of pulling safety tongs 20, the fixed sleeve 32 that sets up can protect cable 31, thereby has avoided cable 31 to appear the phenomenon of damaging at cage 10 lift in-process, has ensured to meet the stall condition, can brake cage 10 smoothly.
In the present embodiment, as shown in fig. 2, the lower ends of the lateral portions of the cage 10 are provided with through holes, the upper ends of the fixing sleeves 32 are fixed in the through holes, and the lower ends of the fixing sleeves 32 are fixed at the bottom beam steel plate of the cage 10. Specifically, a retaining sleeve 32 is provided to wrap the tension cable 31 between the bottom beam steel plate of the cage 10 and the side wall of the cage 10, ensuring the protection of the exposed portion of the cable.
In this embodiment, as shown in fig. 5 to 6, the manual braking device includes two safety tongs 20 and a linkage assembly 40, the two safety tongs 20 are respectively wrapped on a portion of a track located on two opposite sides of the hoistway, the linkage assembly 40 is installed between the two safety tongs 20, and the braking transmission member 30 is connected to one of the safety tongs 20 and is used for pulling the safety tongs 20 to swing its own angle, so as to drive the linkage assembly 40 to operate. Specifically, two safety tongs 20 are arranged, and the linkage assembly 40 for linking the two safety tongs 20 is arranged, so that the two safety tongs 20 can be driven to work simultaneously through one brake transmission member 30, the braking effect of the two safety tongs 20 on the cage 10 is better, the cage 10 is braked more stably, and the braking effect of the cage 10 is improved.
In this embodiment, as shown in fig. 5, the safety gear 20 includes a gear body 21, a rotating shaft 22, a pulling rope 23 and a wedge 24, the gear body 21 is installed at the bottom of the cage 10, the rotating shaft 22 is movably connected to the gear body 21, the rotating shaft 22 is fixedly connected to the linkage assembly 40, the pulling rope 23 is connected between the rotating shaft 22 and the wedge 24, the wedge 24 is located below the rotating shaft 22 and wraps a portion of the rail, a guide portion is provided in the gear body 21, the width of the guide portion gradually decreases from bottom to top, and the wedge 24 moves upward along the vertical direction of the guide portion and clamps the guide rail. Specifically, the linkage assembly 40 drives the rotating shaft 22 to rotate, the traction rope 23 is wound on the rotating shaft 22, the wedge block 24 moves upwards along the vertical direction of the guide part, and the guide rail is gradually clasped in the upwards movement process of the wedge block 24, so that the braking effect is achieved.
In this embodiment, as shown in fig. 6, the linkage assembly 40 includes a linkage rod 41 and two linkage pull arms 42, one end of each of the two linkage pull arms 42 is movably connected to an end of the linkage rod 41, the other end of each of the two linkage pull arms 42 is fixedly connected to one of the rotation shafts 22, and one end of the lifting rod is fixedly connected to one of the rotation shafts 22. Specifically, for convenience of description, one end of the lifting rod is defined as a left side, the other end of the lifting rod is defined as a right side, the lifting rod drives the left rotating shaft 22 to rotate, the left linkage arm 42a rotates along the left rotating shaft 22, meanwhile, the left linkage arm 42a pulls the linkage rod 41, and the linkage rod 41 pulls the right linkage arm 42b, so that the right rotating shaft 22 rotates, the two safety tongs 20 are driven to clamp the guide rail synchronously, and the structure is simple and the manufacturing cost is low.
In this embodiment, as shown in fig. 1, a horizontal plane of the end portion of the linkage rod 41 close to the lifting rod is lower than a horizontal plane of the end portion of the linkage rod 41 away from the lifting rod. Specifically, the horizontal plane on the left side of the linkage rod 41 is lower than the horizontal plane on the right side thereof, so that when the lifting rod pulls the left rotating shaft 22 to rotate clockwise, the linkage rod 41 drives the right rotating shaft 22 to rotate counterclockwise.
In this embodiment, as shown in fig. 6, the linkage assembly 40 further includes a blocking plate 43, an adjusting member 44 and a resetting member 45, the blocking plate 43 is installed on the bottom of the suspension cage 10 near one side of the lifting rod, the adjusting member 44 is installed on the linkage rod 41, and the resetting member 45 is connected between the blocking plate 43 and the adjusting member 44. Specifically, after the brake handle is released, the linkage rod 41 is reset under the action of the reset piece 45, the wedge block 24 releases the guide rail, the adjusting piece 44 is arranged on the linkage rod 41, and the adjusting piece 44 can be adjusted to be close to or far from the baffle 43, so that the device is suitable for suspension cages 10 of different types.
In this embodiment, as shown in fig. 6, the linkage rod 41 includes a first pull rod arm 411, a second pull rod arm 412 and an adjusting arm 413, and the adjusting arm 413 is connected between the first pull rod arm 411 and the second pull rod arm 412 and is used for adjusting a distance between the first pull rod arm 411 and the second pull rod arm 412. Specifically, the adjusting arm 413 is respectively in threaded connection with the first pull rod arm 411 and the second pull rod arm 412, and the distance between the first pull rod arm 411 and the second pull rod arm 412 can be adjusted by rotating, so that the suspension cage 10 with different sizes can be suitable.
In this embodiment, as shown in fig. 6, the first pull rod arm 411 and the second pull rod arm 412 are both provided with a lock nut. Specifically, after the first pull rod arm 411 and the second pull rod arm 412 are adjusted, the locking nut is rotated to move towards the adjusting arm 413, so that the engagement connection between the first pull rod arm 411, the second pull rod arm 412 and the adjusting arm 413 is strengthened, and the use safety performance is improved.
Example two
In this embodiment, as shown in fig. 3 to 4, the brake transmission member 30 includes a fixed seat 33, a brake handle 35 and a transmission member 34, the fixed seat 33 is installed on an outer side wall of the cage 10, a middle portion of the brake handle 35 is pivoted to the fixed seat 33, one end of the brake handle passes through the cage 10 and is disposed in the cage 10, the other end of the brake handle 35 is movably connected to an upper end of the transmission member 34, and a lower end of the transmission member 34 is movably connected to the safety gear 20. When the safety tongs are used specifically, the transmission piece 34 is pulled through the brake handle 35, so that the safety tongs 20 are driven to tightly hold the guide rail, a braking effect is achieved, the arranged structure can meet the requirement of braking of the traction safety tongs 20, and meanwhile, the safety tongs are simple in structure and low in manufacturing cost.
In this embodiment, the driving member 34 is a pull rope or a pull rod. Specifically, the transmission member 34 adopts a pull rope or a pull rod, so that the manufacturing cost is low, and the investment cost is reduced.
The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.
The utility model also provides a cage 10 of the construction hoist in the well, which comprises the manual braking device. Specifically, due to the adoption of the manual braking device, when the speed limiter is out of order, and the descending speed of the cage 10 exceeds the safety speed which is more limited firstly, a constructor in the cage 10 pulls the braking transmission part 30 in the cage 10, so that the safety tongs 20 is pulled to work, the safety tongs 20 tightly holds the guide rail to brake the cage 10, and finally the cage 10 with abnormal descending speed is braked and stopped, and the constructor in the cage 10 can take an active braking effect in the face of the cage 10 with descending stall, so that the safety problem that the cage 10 stalls is solved, the occurrence of accidents can be avoided, the phenomenon that the cage 10 directly blocks the bottom is avoided, the construction safety is improved, and the life safety and property safety of the constructor are ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A manual braking device is applied to a construction elevator in a shaft, the construction elevator in the shaft comprises a suspension cage which is arranged in the shaft and is in sliding connection with a guide rail on the inner wall of the shaft, and the manual braking device is characterized by comprising a safety gear and a braking transmission part; the safety gear is arranged outside the suspension cage and wraps part of the periphery of the guide rail, one end of the brake transmission member is connected with the safety gear, and the other end of the brake transmission member penetrates through the suspension cage and is arranged in the suspension cage.
2. The manual brake device according to claim 1, wherein the brake transmission member includes a brake handle, a cable and a fixing sleeve, a lower end of the cable is connected to the safety gear, an upper end of the cable is disposed in the cage, the brake handle is connected to an upper end of the cable, and the fixing sleeve covers the cable between the cage and the safety gear.
3. The manual brake apparatus of claim 2, wherein the cage is provided at lower ends of side portions thereof with through holes, the fixing sleeves being fixed at upper ends thereof to the through holes, and at lower ends thereof to the bottom beam steel plates of the cage.
4. The manual braking device according to claim 1, wherein the braking transmission member includes a fixed seat, a braking handle and a transmission member, the fixed seat is mounted on the outer side wall of the cage, the middle portion of the braking handle is pivotally connected to the fixed seat, one end of the braking handle penetrates through the cage and is disposed in the cage, the other end of the braking handle is movably connected to the upper end of the transmission member, and the lower end of the transmission member is movably connected to the safety gear.
5. The manual brake apparatus of claim 4, wherein said transmission member is a pull cord or a pull rod.
6. The hand brake apparatus according to any one of claims 1 to 5, wherein the hand brake apparatus comprises two safety tongs and a linkage assembly, the two safety tongs respectively wrap a portion of the track on two opposite sides of the hoistway, the linkage assembly is installed between the two safety tongs, and the brake driving member is connected to one of the safety tongs and is configured to pull the safety tongs to swing its own angle, so as to drive the linkage assembly to operate.
7. The manual brake device according to claim 6, wherein the linkage assembly comprises a linkage rod and two linkage pull arms, one end of each of the two linkage pull arms is movably connected to an end of the linkage rod, the other end of each of the two linkage pull arms is connected to the safety tongs, and the brake transmission member is connected to one of the linkage pull arms.
8. The manual brake device according to claim 6, wherein said linkage assembly further comprises a blocking plate, an adjusting member and a reset member, said blocking plate is mounted on the bottom of said cage on the side close to said brake driving member, said adjusting member is mounted on said linkage rod, and said reset member is connected between said blocking plate and said adjusting member.
9. The manual brake apparatus of claim 8, wherein the linkage rod comprises a first lever arm, a second lever arm and an adjusting arm, and the adjusting arm is connected between the first lever arm and the second lever arm for adjusting a distance between the first lever arm and the second lever arm.
10. A cage of a construction elevator in a hoistway, comprising the manual brake device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541551.0U CN215755812U (en) | 2021-07-07 | 2021-07-07 | Cage of construction elevator in shaft and manual braking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541551.0U CN215755812U (en) | 2021-07-07 | 2021-07-07 | Cage of construction elevator in shaft and manual braking device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215755812U true CN215755812U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121541551.0U Active CN215755812U (en) | 2021-07-07 | 2021-07-07 | Cage of construction elevator in shaft and manual braking device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215755812U (en) |
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2021
- 2021-07-07 CN CN202121541551.0U patent/CN215755812U/en active Active
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| GR01 | Patent grant | ||
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Denomination of utility model: Cage and manual brake device of construction elevator in shaft Effective date of registration: 20221115 Granted publication date: 20220208 Pledgee: Agricultural Bank of China Limited Dongguan Changping Sub branch Pledgor: DONGGUAN XINFENG CONSTRUCTION MACHINERY CO.,LTD. Registration number: Y2022980021858 |