CN114291701A - Compact elevator without machine room - Google Patents
Compact elevator without machine room Download PDFInfo
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- CN114291701A CN114291701A CN202210096833.7A CN202210096833A CN114291701A CN 114291701 A CN114291701 A CN 114291701A CN 202210096833 A CN202210096833 A CN 202210096833A CN 114291701 A CN114291701 A CN 114291701A
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000008901 benefit Effects 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses a compact type machine room-less elevator, which comprises a counterweight mechanism and a car mechanism, wherein the counterweight mechanism comprises a counterweight frame, the counterweight frame comprises a left counterweight straight beam and a right counterweight straight beam, the lower ends of the two counterweight straight beams are provided with a front counterweight lower beam plate and a rear counterweight lower beam plate, the counterweight straight beams are positioned between the two counterweight lower beam plates, a U-shaped fixed plate is arranged below the counterweight straight beams, two sides of the fixed plate are respectively fixed with the two counterweight lower beam plates, a lifting plate is arranged between the fixed plate and the counterweight straight beams, the lifting plate is provided with a lifting piece in rotary connection, and the lifting plate is connected with the counterweight lower beam plates through a rotating shaft; a connecting rod is arranged between the two lifting plates, one of the lifting plates is provided with a tensioning mechanism, and one side of the other lifting plate is provided with a rope end handle plate connected with the corresponding rotating shaft. The invention has the advantages of small volume, wide application range, low fault area and high safety.
Description
Technical Field
The invention belongs to the field of elevators without machine rooms, and particularly relates to a compact elevator without a machine room.
Background
The elevator without the machine room has the advantage of small volume, is suitable for buildings with insufficient installation space and without large load capacity, but even if the volume of the elevator without the machine room is greatly reduced compared with that of the elevator with the machine room, the elevator without the machine room is still not ideal enough, and is difficult to be applied in some occasions.
For example, current no computer lab elevator's counterweight mechanism, including counterweight frame, counterweight frame's bottom is equipped with and counterweight rail coupling's counterweight safety tongs, and counterweight frame's top is equipped with counterweight speed governor, and counterweight safety tongs passes through the aggregate unit and connects counterweight speed governor. When the speed of the elevator exceeds the limiting speed of the counterweight speed limiter, the counterweight speed limiter works, the counterweight speed limiter is lifted through the steel wire rope, the counterweight speed limiter holds the counterweight guide rail tightly, and the counterweight mechanism is braked. The existing linkage device is arranged below the counterweight frame, and the corresponding counterweight safety tongs are also arranged below the counterweight frame and can be used only by matching with a well of a deep pit, so that the size of the elevator in the height direction is increased, and the size of the elevator without a machine room is large.
For example, current car mechanism of no computer lab elevator, including the car, the car is fixed in the sedan-chair frame, and the structure of current sedan-chair frame includes the rectangular frame who constitutes by sedan-chair frame upper beam, sedan-chair frame underbeam and two sedan-chair frame straight beams, and the top of sedan-chair frame underbeam is equipped with the horizontally bracket, the bracket is used for fixed car, and the bottom of sedan-chair frame underbeam is equipped with two rope sheave subassemblies. The sheave assembly is used to connect the car frame to the traction system of the elevator. Because the car frame lower beam and the car frame straight beam are positioned on the same vertical plane, the two rope pulley assemblies are both arranged on the car frame lower beam, the traction rope of the traction system respectively extends upwards outside the two car frame straight beams after bypassing the two rope pulley assemblies, namely, one part of the traction rope is arranged between the car frame and the shaft wall, in order to avoid the abrasion caused by the interference of the traction rope and the car frame straight beam, a distance needs to be kept between the traction rope and the car frame straight beam, the two rope pulley assemblies need to be moved outwards, so that a large part of the rope pulley assemblies exceeds the car frame straight beam, the size of the car frame in the width direction is increased, the size of the elevator in the width direction is increased, and the size of the elevator is also large.
Therefore, the existing elevator without the machine room has the defect of larger volume and smaller application range.
Disclosure of Invention
The invention aims to provide a compact machine room-free elevator. The invention has the advantages of small volume, wide application range, low fault area and high safety.
The technical scheme of the invention is as follows: a compact type machine room-less elevator comprises a counterweight mechanism and a car mechanism, wherein the counterweight mechanism comprises a counterweight frame, the counterweight frame comprises a left counterweight straight beam and a right counterweight straight beam, the lower ends of the two counterweight straight beams are provided with a front counterweight lower beam plate and a rear counterweight lower beam plate, the counterweight straight beam is positioned between the two counterweight lower beam plates, a U-shaped fixed plate is arranged below the counterweight straight beam, two sides of the fixed plate are respectively fixed with the two counterweight lower beam plates, a lifting plate is arranged between the fixed plate and the counterweight straight beam, a lifting piece in rotary connection is arranged on the lifting plate, and the lifting plate is connected with the counterweight lower beam plates through a rotating shaft; a connecting rod is arranged between the two lifting plates, one of the lifting plates is provided with a tensioning mechanism, and one side of the other lifting plate is provided with a rope end handle plate connected with the corresponding rotating shaft.
In the compact elevator without the machine room, the lifting plate is provided with a first angle, a second angle and a third angle, the first angle is located on the outer side of the counterweight straight beam, the second angle and the third angle are located on the inner side of the counterweight straight beam, the second angle is located above the rotating shaft, the third angle is located below the rotating shaft, and the lifting piece is hinged to the third angle.
In the compact elevator without the machine room, the rotating shaft is in a regular quadrangular prism shape, shaft sleeves with inner square and outer circles are arranged at two ends of the rotating shaft, the rotating shaft is respectively connected with the corresponding counterweight lower beam plates through the shaft sleeves at the two ends, and the rotating shaft penetrates through one end of the rope end handle plate.
In the compact elevator without the machine room, the tensioning mechanism comprises a bracket positioned on the inner side of one of the lifting plates, and the bracket is connected with a third angle on one of the lifting plates through a tension spring.
In the compact elevator without the machine room, the connecting rod comprises a turnbuckle, two ends of the turnbuckle are respectively provided with a screw, the outer side end of one screw is hinged with the second corner on one of the lifting plates, and the outer side end of the other screw is hinged with the third corner on the other lifting plate; the lower end of the counterweight straight beam is provided with a groove which is penetrated by the corresponding lifting plate.
Among the aforementioned compact no computer lab elevator, car mechanism includes the bracket of rectangle, and the inside of bracket is equipped with car frame underbeam, and bracket and car frame underbeam form "day" font structure, and the outside at car frame underbeam both ends all is equipped with the car frame straight beam fixed with the bracket, and the top of car frame underbeam is equipped with car frame upper beam, and two car frame straight beams are connected respectively at the both ends of car frame upper beam, and the bottom of bracket is equipped with two rope sheave subassemblies, and two rope sheave subassemblies are located the both sides of car frame underbeam respectively.
In the compact machine room-less elevator, two ends of the lower beam of the car frame are respectively provided with two straight beams of the car frame, a first pulling plate and a switching support are arranged between the two straight beams of the car frame, the first pulling plate is positioned in the middle of the straight beams of the car frame, and the switching support is positioned at the upper end of the straight beams of the car frame; the car frame upper beams are two, and two ends of the two car frame upper beams are respectively connected with the switching support.
In the compact elevator without a machine room, a second pulling plate is arranged between the car frame straight beam and the bracket.
Compared with the prior art, the invention improves the counterweight frame of the counterweight mechanism and the bracket of the cage mechanism on the basis of the existing elevator without a machine room.
Through the structural optimization of the counterweight frame, the linkage mechanism is hidden in the counterweight frame, the linkage mechanism does not occupy the space of a well, and can be used by matching with the well of a shallow pit, so that the size of the elevator in the height direction is reduced, and the volume of the elevator without a machine room is reduced. The connecting rod comprises the turnbuckle and the screw rods on two sides, and the length is adjustable, so that the counterweight housing is more convenient to assemble. The outer side end of the lifting plate has downward pressure through the tensioning mechanism, so that the lifting plate is prevented from moving upwards due to vibration in the running process of the elevator, misoperation of counterweight safety tongs is avoided, and the failure rate of the elevator without a machine room is low. In addition, will heavily putting up and install in the elevator after, the appearance is also more regular, and the wholeness is better, uses on being very suitable for the well side wall to be glass's sightseeing elevator.
Through the structural optimization of the bracket, the car frame lower beam is arranged in the bracket, the height of the car frame is reduced, the size of the elevator in the height direction is reduced, and the size of the elevator without a machine room is reduced. Through setting up two rope sheave subassemblies respectively with the both sides of car frame straight beam, keep the traction system to the car frame balanced traction, avoid the car frame focus to distribute the disequilibrium and on the basis of verting, make the towline upwards extend from one side of car frame straight beam after walking around the rope sheave subassembly, avoid passing through the region between car frame straight beam and well, the rope sheave subassembly can one section distance of inside removal, still can guarantee not to take place to interfere with car frame straight beam, in fact only need guarantee not interfere with the bracket can, the size of car frame in the width direction can be dwindled, make the size reduction of no computer lab elevator in the width direction, further the volume that makes no computer lab elevator dwindles. In addition, the both sides of bracket have all set up two sedan-chairs frame straight beams, compare with original unilateral single sedan-chairs frame straight beam, the range of connection between the two sedan-chairs frame straight beams of unilateral and the bracket is showing and is increasing, the effectual stability that increases the sedan-chairs frame structure to through set up the second arm-tie between sedan-chairs frame straight beam and bracket, set up first arm-tie between the middle part of two sedan-chairs frame straight beams, further increase the stability of sedan-chairs frame structure, improve the security of no computer lab elevator.
Therefore, the invention has the advantages of small volume, wide application range, low fault area and high safety.
Drawings
Fig. 1 is a front view of the inventive counterweight housing.
Fig. 2 is a top view of the inventive counterweight housing.
Fig. 3 is a perspective view of the inventive counterweight housing.
FIG. 4 is a schematic view of the structure of the bracket of the present invention
Fig. 5 is a schematic structural view of the adaptor bracket.
Fig. 6 is a schematic structural view of the car frame underbeam.
The labels in the figures are: 101-counterweight lower beam plate, 102-counterweight straight beam, 103-fixing plate, 104-lifting plate, 105-rotating shaft, 106-rope end handle plate, 107-first angle, 108-second angle, 109-third angle, 110-shaft sleeve, 111-bracket, 112-tension spring, 113-turnbuckle, 114-screw, 115-groove, 116-lifting piece and 117-counterweight safety tongs; the car frame comprises a bracket, 202, a car frame lower beam, 203, a car frame straight beam, 204, a car frame upper beam, 205, a rope wheel assembly, 206, a first pull plate, 207, a switching support, 208, a second pull plate and 209, wherein the car frame lower beam, the car frame straight beam and the car frame upper beam are connected through a connecting piece.
201-detailed description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. A compact machine room-less elevator includes a counterweight mechanism and a car mechanism.
The counterweight mechanism comprises a counterweight frame, as shown in fig. 1 to 3, the counterweight frame comprises a left counterweight straight beam 102 and a right counterweight straight beam 102, the section of the counterweight straight beam 102 is U-shaped, the opening of the counterweight straight beam 102 is inward, the lower ends of the two counterweight straight beams 102 are provided with a front counterweight lower beam plate 101 and a rear counterweight lower beam plate 101, the counterweight straight beam 102 is positioned between the two counterweight lower beam plates 101, two sides of the counterweight straight beam 102 are respectively fixed with the two counterweight lower beam plates 101, a U-shaped fixing plate 103 is arranged below the counterweight straight beam 102, two sides of the fixing plate 103 are respectively fixed with the two counterweight lower beam plates 101, a lifting plate 104 is arranged between the fixing plate 103 and the counterweight straight beam 102, the lifting plate 104 is provided with a lifting piece 116 in rotary connection, and the lifting plate 104 is connected with the counterweight lower beam plates 101 through a rotating shaft 105; a connecting rod is arranged between the two lifting plates 104, one of the lifting plates 104 is provided with a tensioning mechanism, one side of the other lifting plate 104 is provided with a rope end handle plate 106 connected with the corresponding rotating shaft 105, and the rope end handle plate 106 is positioned at the outer side of the counterweight lower beam plate 101.
The appearance of lifting plate 104 is close to triangle-shaped, is equipped with first angle 107, second angle 108 and third angle 109 on lifting plate 104, and first angle 107 is located the outside to the straight beam 102 of counter-weight, and second angle 108 and third angle 109 all are located the inboard to the straight beam 102 of counter-weight, and second angle 108 is located the top of pivot 105, and third angle 109 is located the below of pivot 105, lifting piece 116 is articulated with third angle 109.
The rotating shaft 105 is in a regular quadrangular prism shape, shaft sleeves 110 with inner square and outer circles are arranged at two ends of the rotating shaft 105, the rotating shaft 105 is respectively connected with corresponding counterweight lower beam plates 101 through the shaft sleeves 110 at the two ends, and the rotating shaft 105 penetrates through one end of the rope end handle plate 106.
The tensioning mechanism comprises a bracket 111 located inside one of the lifting plates 104, the bracket 111 being connected to the third corner 109 on one of the lifting plates 104 by a tension spring 112.
The connecting rod comprises a turn buckle 113, two ends of the turn buckle 113 are respectively provided with a screw 114, the outer end of one screw 114 is hinged with the second angle 108 on one lifting plate 104, and the outer end of the other screw 114 is hinged with the third angle 109 on the other lifting plate 104.
The lower end of the counterweight straight beam 102 is provided with a groove 115 through which the corresponding pulling plate 104 passes.
The operating principle of the counterweight housing is as follows: the counterweight safety gear 117 is fixed on the fixing plate 103, the contact pull point of the counterweight safety gear 117 is connected to the lifting pull piece 116, and one end of a steel wire rope on the counterweight speed limiter is connected to the rope head handle plate 106. When the speed of the elevator exceeds the limiting speed of the counterweight speed governor, or the suspension rope is broken or loosened, the counterweight speed governor works, as shown in fig. 3, the rope head handle plate 106 is pulled by the steel wire rope on the counterweight speed governor to drive the rotating shaft 105 on the right side to rotate, the rotating shaft 105 on the right side drives the lifting plate 104 on the right side to rotate, the lifting plate 104 on the right side lifts the rope head handle plate 106 on the right side upwards, and the counterweight safety tongs 117 on the right side are fastened on the counterweight guide rail on the right side. When the right lifting plate 104 rotates, the left lifting plate 104 is driven to rotate through the pull rod, the left lifting plate 104 lifts the left rope end handle plate 106, the left counterweight safety gear 117 is fastened on the left counterweight guide rail, and the braking of the counterweight mechanism is realized.
As shown in fig. 4 to 6, the car mechanism includes a rectangular bracket 201, a car frame lower beam 202 is disposed inside the bracket 201, the bracket 201 and the car frame lower beam 202 form a "y" shaped structure, car frame straight beams 203 fixed to the bracket 201 are disposed on outer sides of two ends of the car frame lower beam 202, a car frame upper beam 204 is disposed above the car frame lower beam 202, two ends of the car frame upper beam 204 are respectively connected to the two car frame straight beams 203, two sheave assemblies 205 are disposed at a bottom of the bracket 201, and the two sheave assemblies 205 are respectively disposed on two sides of the car frame lower beam 202 and respectively disposed near two ends of the car frame lower beam 202.
Two ends of the car frame lower beam 202 are respectively provided with two car frame straight beams 203, a first pull plate 206 and a switching support 207 are arranged between the two car frame straight beams 203, the first pull plate 206 is positioned in the middle of the car frame straight beams 203, and the switching support 207 is positioned at the upper end of the car frame straight beams 203; two car frame upper beams 204 are arranged, and two ends of the two car frame upper beams 204 are respectively connected with the transfer brackets 207. The structure of the switching bracket 207 is U-shaped, the car frame upper beam 204 is inserted between two arms of the switching bracket 207 and is connected by screws, and the bottom of the switching bracket 207 is welded or connected by screws with the car frame straight beam 203.
The connecting line between the two rope pulley assemblies 205 forms an included angle of 12-20 degrees with the lower beam 202 of the car frame. It is ensured that the hoist rope does not pass through the area between the car frame straight beam 203 and the hoistway wall in the thickness direction of the car frame straight beam 203 after protruding upward from the sheave assembly 205.
A second pulling plate 208 is arranged between the car frame straight beam 203 and the bracket 201.
The bottom of car frame underbeam 202 is equipped with buffering mound subassembly 9, buffering mound subassembly 9 is used for taking lead the contact with the buffering mound in the well pit when the car stall drops, is current part.
The invention has the advantages of small volume, wide application range, low fault area and high safety.
Claims (8)
1. The utility model provides a compact does not have computer lab elevator, includes to heavy mechanism and car mechanism, to heavy mechanism including to heavily putting up, to heavily putting up about including two to heavily straight roof beam (102), its characterized in that: the lower ends of two counterweight straight beams (102) are provided with a front counterweight lower beam plate and a rear counterweight lower beam plate (101), the counterweight straight beams (102) are positioned between the two counterweight lower beam plates (101), a U-shaped fixing plate (103) is arranged below the counterweight straight beams (102), two sides of the fixing plate (103) are respectively fixed with the two counterweight lower beam plates (101), a lifting plate (104) is arranged between the fixing plate (103) and the counterweight straight beams (102), the lifting plate (104) is provided with a lifting piece (116) in rotating connection, and the lifting plate (104) is connected with the counterweight lower beam plates (101) through a rotating shaft (105); a connecting rod is arranged between the two lifting plates (104), one of the lifting plates (104) is provided with a tensioning mechanism, and one side of the other lifting plate (104) is provided with a rope end handle plate (106) connected with the corresponding rotating shaft (105).
2. The compact machine room-less elevator according to claim 1, characterized in that: be equipped with first angle (107), second angle (108) and third angle (109) on lifting plate (104), first angle (107) are located the outside to heavy straight beam (102), and second angle (108) and third angle (109) all are located the inboard to heavy straight beam (102), and second angle (108) are located the top of pivot (105), and third angle (109) are located the below of pivot (105), lifting tab (116) are articulated with third angle (109).
3. The compact machine room-less elevator according to claim 2, characterized in that: the utility model discloses a counterweight tie plate, including pivot (105), pivot (105) are the right quadrangular prism shape, and the both ends of pivot (105) all are equipped with axle sleeve (110) of interior square excircle, and corresponding counterweight tie plate (101) are connected respectively through axle sleeve (110) at both ends in pivot (105), and pivot (105) are passed from the one end of fag end handle board (106).
4. The compact machine room-less elevator according to claim 1, characterized in that: the tensioning mechanism comprises a bracket (111) positioned on the inner side of one of the lifting plates (104), and the bracket (111) is connected with a third angle (109) on one of the lifting plates (104) through a tension spring (112).
5. The compact machine room-less elevator of claim 4, wherein: the connecting rod comprises a turn buckle (113), both ends of the turn buckle (113) are provided with screw rods (114), the outer side end of one screw rod (114) is hinged with a second angle (108) on one lifting plate (104), and the outer side end of the other screw rod (114) is hinged with a third angle (109) on the other lifting plate (104); the lower end of the counterweight straight beam (102) is provided with a groove (115) which is penetrated by the corresponding pulling plate (104).
6. The compact machine room-less elevator according to claim 1, characterized in that: the car mechanism comprises a rectangular bracket (201), a car frame lower beam (202) is arranged inside the bracket (201), the bracket (201) and the car frame lower beam (202) form a structure shaped like a Chinese character 'ri', car frame straight beams (203) fixed with the bracket (201) are arranged on the outer sides of the two ends of the car frame lower beam (202), a car frame upper beam (204) is arranged above the car frame lower beam (202), the two ends of the car frame upper beam (204) are respectively connected with the two car frame straight beams (203), two rope pulley assemblies (205) are arranged at the bottom of the bracket (201), and the two rope pulley assemblies (205) are respectively located on the two sides of the car frame lower beam (202).
7. The compact machine room-less elevator of claim 6, wherein: two ends of the car frame lower beam (202) are respectively provided with two car frame straight beams (203), a first pulling plate (206) and a switching support (207) are arranged between the two car frame straight beams (203), the first pulling plate (206) is positioned in the middle of the car frame straight beams (203), and the switching support (207) is positioned at the upper end of the car frame straight beams (203); two car frame upper beams (204) are arranged, and two ends of the two car frame upper beams (204) are respectively connected with the transfer support (207).
8. The compact machine room-less elevator of claim 6, wherein: and a second pulling plate (208) is arranged between the car frame straight beam (203) and the bracket (201).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210096833.7A CN114291701A (en) | 2022-01-27 | 2022-01-27 | Compact elevator without machine room |
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Application Number | Priority Date | Filing Date | Title |
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CN202210096833.7A CN114291701A (en) | 2022-01-27 | 2022-01-27 | Compact elevator without machine room |
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CN114291701A true CN114291701A (en) | 2022-04-08 |
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CN202210096833.7A Pending CN114291701A (en) | 2022-01-27 | 2022-01-27 | Compact elevator without machine room |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205739869U (en) * | 2016-06-16 | 2016-11-30 | 西继迅达(许昌)电梯有限公司 | A kind of home lift counterweight safety brake structure |
CN206955415U (en) * | 2017-07-28 | 2018-02-02 | 森赫电梯股份有限公司 | The sedan-chair frame structure of compact machine-roomless lift |
CN208883252U (en) * | 2018-08-28 | 2019-05-21 | 江苏西德电梯有限公司 | A kind of Sightseeing Lift sedan-chair frame structure |
CN216836686U (en) * | 2022-01-13 | 2022-06-28 | 森赫电梯股份有限公司 | Compact type passenger ladder car frame structure without machine room |
-
2022
- 2022-01-27 CN CN202210096833.7A patent/CN114291701A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205739869U (en) * | 2016-06-16 | 2016-11-30 | 西继迅达(许昌)电梯有限公司 | A kind of home lift counterweight safety brake structure |
CN206955415U (en) * | 2017-07-28 | 2018-02-02 | 森赫电梯股份有限公司 | The sedan-chair frame structure of compact machine-roomless lift |
CN208883252U (en) * | 2018-08-28 | 2019-05-21 | 江苏西德电梯有限公司 | A kind of Sightseeing Lift sedan-chair frame structure |
CN216836686U (en) * | 2022-01-13 | 2022-06-28 | 森赫电梯股份有限公司 | Compact type passenger ladder car frame structure without machine room |
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