CN113415694A - Backpack type lifter - Google Patents
Backpack type lifter Download PDFInfo
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- CN113415694A CN113415694A CN202110719370.0A CN202110719370A CN113415694A CN 113415694 A CN113415694 A CN 113415694A CN 202110719370 A CN202110719370 A CN 202110719370A CN 113415694 A CN113415694 A CN 113415694A
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- Prior art keywords
- wheel set
- cage
- cable
- traction
- guide wheel
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- 239000000725 suspension Substances 0.000 claims abstract description 86
- 238000004804 winding Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/068—Cable weight compensating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/10—Arrangements of ropes or cables for equalising rope or cable tension
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The application discloses a backpack type elevator which is installed in a hoistway and comprises a movable workbench, a suspension cage, a balance weight, a traction machine, a first guide wheel set, a traction cable and a first coded disc connected with the traction cable; the first guide wheel set and the traction machine are arranged on the movable workbench, the traction cable is connected with the suspension cage and the counterweight through the traction machine and the first guide wheel set, and the rope winding mode of 1:1, 2:1 or 4:1 is realized through the arrangement of the traction machine and the first guide wheel set; the cage comprises a cage hanging frame with a knapsack structure, and the balance weight is embedded into a gap of the knapsack structure of the cage hanging frame. The knapsack formula lift sets up in the well, and the construction progress does not receive external environment's influence. The counter weight is embedded into the gap of the backpack type structure of the suspension cage frame, so that the space can be effectively saved, and the door opening mode of the suspension cage can be more flexibly set.
Description
Technical Field
The invention relates to the field of constructional engineering equipment, in particular to a backpack type lifter.
Background
The existing construction elevator is generally positioned outside a building, and runs up and down by depending on a cage of a standard section for guiding and supporting people or goods, the outdoor elevator is greatly influenced by weather, generally adopts a hoisting steel wire rope or a gear to directly drive, and the existing domestic gear type construction elevator (SC type construction elevator) is basically used, has higher energy consumption and high running noise, and reduces the safety and reliability of the elevator in the weather of strong wind and thunderstorm because the standard section is generally in flexible connection with a building body; the whole equipment is outdoor, and the requirement on surface protection of the equipment is high.
Disclosure of Invention
The invention aims at the problems and provides a backpack type lifter.
The technical scheme adopted by the invention is as follows:
a backpack type elevator comprises a hoistway, a movable workbench, a suspension cage, a balance weight, a guide rail, a traction machine, a first guide wheel set, a traction cable, a first coded disc connected with the traction cable, a compensation cable and a second coded disc connected with the compensation cable; the suspension cage and the balance weight are arranged in the hoistway and run up and down along respective guide rails;
the first guide wheel set and the traction machine are arranged on the movable workbench, the traction cable is connected with the suspension cage and the counterweight through the traction machine and the first guide wheel set, and the rope winding mode of 1:1, 2:1 or 4:1 is realized through the arrangement of the traction machine and the first guide wheel set;
the cage comprises a cage frame with a knapsack structure, and the balance weight is embedded into a gap of the knapsack structure of the cage frame.
When the traction rope is actually used, the traction rope is a steel wire rope, a carbon fiber steel belt, a plastic-coated steel wire rope or a chain and the like.
The knapsack formula lift sets up in the well, and the construction progress does not receive external environment's influence. The counterweight is embedded into the gap of the backpack type structure of the suspension cage frame, so that the space can be effectively saved, and the door opening mode of the suspension cage can be more flexibly set.
The embedding refers to that the counterweight moves up and down and is embedded into a backpack structure, namely, the counterweight is embedded into the backpack structure when the counterweight and the cage frame are in the same plane.
In one embodiment of the present invention, the compensation cable is disposed between the cage and the counterweight, one end of the compensation cable is fixed to the cage, the other end of the compensation cable is fixed to the counterweight, the second weight plate is connected to a terminal of one end of the compensation cable, the second weight plate is placed on the cage or the counterweight, the compensation cable is a compensation chain, a compensation rope or a compensation belt, and when the compensation cable is a compensation rope, the compensation cable further includes a tension wheel and a tension device engaged with the compensation rope.
In one embodiment of the present invention, the compensating cable is disposed between the cage and the counterweight, the lower portion of the cage is provided with a first lower wheel set, the lower portion of the counterweight is provided with a second lower wheel set, and the bottom of the hoistway is provided with a second guide wheel set; one end of the compensation cable is relatively fixed with the bottom of the hoistway, the other end of the compensation cable is relatively fixed with the bottom of the hoistway after upwards winding around the first lower wheel set and downwards winding around the second guide wheel set and then downwards passing through the locking device, the balance of the compensation cable is stored on the second code disc and is placed at the bottom of the hoistway or on the outer side of the bottom layer, and the second guide wheel set is provided with a tensioning device for tensioning the compensation cable.
In one embodiment of the invention, one end of the traction cable is fixed relative to the suspension beam of the suspension cage frame, and the other end of the traction cable bypasses the traction machine and the first guide wheel set upwards and then passes through the tension adjusting device downwards and is fixed relative to the counterweight; the surplus of the traction cable is stored on a first coded disc, and the first coded disc is fixed to the top of the lifting cage.
In one embodiment of the invention, a first upper wheel set is mounted on a suspension beam of the suspension cage frame, a second upper wheel set is mounted on the upper portion of the counterweight, one end of the traction cable passes through the locking device and then is fixed relative to the movable workbench, the allowance of the traction cable is stored on a first code disc, and the first code disc is fixed outside the movable workbench or the well; the other end of the traction rope downwards bypasses the first upper wheel set and then upwards, bypasses the traction machine and the first guide wheel set singly or bypasses the traction machine and the first guide wheel set repeatedly, downwards bypasses the second upper wheel set, then upwards passes through the tension adjusting device and then is fixed relative to the movable workbench.
In one embodiment of the invention, the movable working platform comprises a telescopic roof beam, a telescopic protective guardrail, a top protective canopy, a jacking limiting device at the end part of the roof beam and a lifter fixed at the top of the roof beam or a suspension cage, wherein the lifter is used for jacking operation of the lifter, and the jacking limiting device comprises a limiting device body and an elastic roller arranged on the limiting device body; when the elevator is jacked, the jacking limiting device is placed in a working state and is in real-time contact with the wall of the well through the elastic roller, so that the movable working platform is prevented from deflecting to damage equipment during jacking;
the traction machine is a synchronous gearless traction machine, an asynchronous geared traction machine, a servo motor or a separated winch; the upper and lower parts of the cage frame are provided with guide shoes, the lower part of the cage frame is provided with a braking device for overspeed protection, and the upper part of the cage frame is also provided with a maintenance preventing device for the cage during jacking operation.
The application also discloses another backpack type elevator which comprises a hoistway, a movable workbench, a suspension cage, a balance weight, a guide rail, a traction machine, a first guide wheel set, a second guide wheel set, a traction cable, a first coded disc connected with the traction cable, a compensation cable and a second coded disc connected with the compensation cable; the suspension cage and the counterweight are arranged in the shaft; the upper and lower parts run along the respective guide rails alternately;
the first guide wheel set is arranged on the movable workbench, the compensation cable is connected with the suspension cage and the counterweight through the first guide wheel set, and the rope winding mode of the compensation cable is 1:1, 2:1 or 4:1 through the arrangement of the first guide wheel set;
the traction machines are arranged outside a pit or a bottom layer shaft, two groups of second guide wheel sets are arranged at the bottom of the shaft, the compensation ropes are used for connecting the lower end of the suspension cage and the lower end of the counterweight, the compensation ropes sequentially bypass the first group of second guide wheel sets, the traction machine and the second group of second guide wheel sets, and the positions of the two groups of second guide wheel sets can be adjusted, so that the coating angle of the compensation ropes on the traction wheel of the traction machine is changed, and the traction capacity is further changed; the compensation cable realizes a rope winding mode of 1:1, 2:1 or 4:1 through the arrangement of the second guide wheel set;
the compensation cable is a compensation chain, a compensation rope or a carbon fiber steel belt, and when the compensation cable is the compensation rope, a tension wheel and a tension device matched with the compensation cable are further arranged;
the suspension cage comprises a suspension cage frame with a knapsack structure, a suspension beam is arranged at the upper part of the suspension cage frame, and the suspension beam is provided with a first upper wheel set or a traction cable end connection fixing plate; the counterweight is embedded in a gap of the backpack type structure of the suspension cage frame.
The backpack type elevator is arranged in the well, so that the construction progress is not influenced by the external environment; the compensation cable is used for connecting the suspension cage and the balance weight, so that the requirement of the driving host on the torque is reduced; the counter weight is embedded into the gap of the backpack type structure of the suspension cage frame, so that the space can be effectively saved, and the door opening mode of the suspension cage can be more flexibly set.
In one embodiment of the invention, one end of the traction cable is fixed relative to the suspension beam of the cage frame, the other end of the traction cable upwards rounds the first guide wheel set, then downwards passes through the tension adjusting device and is fixed relative to the balance weight, and the first coded disc is fixed on the cage.
In one embodiment of the invention, a first upper wheel set is mounted on a suspension beam of the suspension cage frame, a second upper wheel set is mounted on the upper portion of the counterweight, one end of the traction cable passes through the locking device and then is fixed relative to the movable workbench, the other end of the traction cable downwards bypasses the first upper wheel set and then upwards, bypasses the first guide wheel set and then downwards bypasses the second upper wheel set, and then upwards passes through the tension adjusting device and then is fixed relative to the movable workbench; the first coded disc is connected with the tail end of one end of the traction cable, and the first coded disc is fixed outside the movable workbench or the top layer of the hoistway.
In one embodiment of the invention, one end of the compensating rope is fixed relative to the lower part of the cage, the other end of the compensating rope sequentially bypasses the first group of second guide wheel sets, the tractor and the second group of second guide wheel sets and then is fixed relative to the counterweight upwards, and the first coded disc is fixed on the cage or the counterweight; the tensioning device is matched with the compensating cable and is fixed on the second guide wheel set; the traction machine drags the compensation cable to move to drive the suspension cage and the balance weight to move up and down alternately along the corresponding guide rail.
In one embodiment of the invention, a first lower wheel set is installed at the lower part of the suspension cage, a second lower wheel set is installed at the lower part of the counterweight, one end of the compensating rope is fixed relative to the bottom of the hoistway after passing through the tension adjusting device, the other end of the compensating rope bypasses the first lower wheel set upwards, then sequentially bypasses the first group of second guide wheel sets, the traction machine and the second group of second guide wheel sets downwards, bypasses the second lower wheel set upwards, then passes through the locking device downwards and is fixed relative to the bottom of the hoistway; the allowance of the compensating rope is stored on a second code disc, and the second code disc is fixed outside the pit or the well; the tensioning device is matched with the compensating cable and is fixed on the second guide wheel set.
The invention has the beneficial effects that: the backpack type lifter is arranged in the shaft, so that the construction progress is not influenced by the external environment; the counter weight is embedded into the gap of the backpack type structure of the suspension cage frame, so that the space can be effectively saved, and the door opening mode of the suspension cage can be more flexibly set.
Description of the drawings:
fig. 1 is a first schematic view of a backpack type lifter according to embodiment 1;
fig. 2 is a second schematic view of the backpack type lifter of embodiment 1;
fig. 3 is a third schematic view of the backpack type lifter of embodiment 1;
fig. 4 is a fourth schematic view of the backpack type lifter of embodiment 1;
fig. 5 is a fifth schematic view of the backpack type lifter of embodiment 1;
fig. 6 is a first schematic view of the backpack type lifter of embodiment 2;
fig. 7 is a second schematic view of the backpack type lifter of embodiment 2;
FIG. 8 is a schematic view of a cage;
FIG. 9 is a first schematic top plan view of the counterweight in positional relationship to the cage;
FIG. 10 is a second schematic top plan view of the counterweight in positional relationship to the cage;
FIG. 11 is a third schematic top plan view of the counterweight in positional relationship to the cage;
fig. 12 is a schematic top view of a mobile work platform.
The figures are numbered:
1. a hoistway; 2. a movable table; 3. a suspension cage; 4. balancing weight; 5. a traction machine; 6. a first guide wheel set; 7. a traction cable; 8. a first code wheel; 9. a compensating cable; 10. a second code wheel; 11. Hanging a cage frame; 12. a backpack-type structure; 13. a suspension beam; 14. a tension wheel; 15. a tensioning device; 16. A first upper wheel set; 17. a second upper wheel set; 18. a rope hoist; 19. jacking limiting devices; 20. A limiting device body; 21. a roller; 22. a guide shoe; 24. a second guide wheel set; 25. a first lower wheel set; 26. a second lower wheel set; 27. a top beam; 28. protecting the guard rail; 29. a maintenance preventing device; 30. Overspeed protection braking device fixing hole.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 5 and 8 to 11, a backpack type elevator includes a hoistway 1, a movable table 2, a suspension cage 3, a counterweight 4, a guide rail, a traction machine 5, a first guide wheel set 6, a traction rope 7, and a first code wheel 8 connected to the traction rope 7; the suspension cage 3 and the counterweight 4 are arranged in the hoistway 1 and run up and down along respective guide rails thereof;
the first guide wheel set 6 and the traction machine 5 are arranged on the movable workbench 2, the traction rope 7 is connected with the suspension cage 3 and the counterweight 4 through the traction machine 5 and the first guide wheel set 6, and the rope winding mode of 1:1, 2:1 or 4:1 is realized through the arrangement of the traction machine 5 and the first guide wheel set 6 by the traction rope 7;
the suspension cage 3 comprises a suspension cage frame 11 with a knapsack structure 12, and the balance weight 4 is embedded in the gap of the knapsack structure 12 of the suspension cage frame 11.
When the traction rope is actually used, the traction rope is a steel wire rope, a carbon fiber steel belt, a plastic-coated steel wire rope or a chain and the like.
The knapsack formula lift sets up in well 1, and the construction progress does not receive external environment's influence. The counterweight 4 is embedded in the gap of the backpack structure 12 of the suspension cage frame 11, so that the space can be effectively saved, and the door opening mode of the suspension cage 3 can be more flexibly set.
The embedding means that the up-and-down movement space of the counterweight 4 is embedded in the backpack structure 12, that is, the counterweight 4 is embedded in the backpack structure 12 when the counterweight 4 and the cage 11 are in the same plane.
As shown in fig. 1 to 3, in one embodiment of the present invention, the present invention further includes a compensation rope 9 and a second code wheel 10 connected to the compensation rope 9, the compensation rope 9 is disposed between the cage 3 and the counterweight 4 for balancing the weight of the traction rope 7, one end of the compensation rope 9 is fixed to the cage 3, the other end is fixed to the counterweight 4, the second code wheel 10 is connected to a terminal of one end of the compensation rope 9, the second code wheel 10 is placed on the cage 3 (see fig. 1) or the counterweight 4 (see fig. 2 and 3), the compensation rope 9 is a compensation chain, a compensation rope or a compensation belt, and when the compensation rope 9 is a compensation rope (see fig. 1), the present invention further includes a tension wheel 14 and a tension device 15 cooperating with the compensation rope.
As shown in fig. 4 and 5, in one embodiment of the present invention, the compensating rope 9 is disposed between the cage 3 and the counterweight 4, the lower portion of the cage 3 is provided with a first lower wheel set 25, the lower portion of the counterweight 4 is provided with a second lower wheel set 26, and the bottom of the hoistway 1 is provided with a second guide wheel set 24; one end of the compensating cable 9 is fixed relative to the bottom of the well 1, the other end of the compensating cable upwards rounds the first lower wheel set 25, downwards rounds the second guide wheel set 24, upwards rounds the second lower wheel set 26, downwards passes through the locking device and then is fixed relative to the bottom of the well 1, the allowance of the compensating cable is stored on the second code disc and placed on the outer side of the bottom of the well, and the tensioning device 15 is arranged on the second guide wheel set to tension the compensating cable.
As shown in fig. 1 and 2, in one embodiment of the present invention, one end of the traction cable 7 is fixed to the suspension beam 13 of the cage 11, and the other end thereof passes upward around the traction machine 5 and the first guide pulley set 6, passes downward through the tension adjusting device, and is fixed to the counterweight 4; the allowance of the traction cable 7 is stored on a first coded disc 8, and the first coded disc 8 is fixed on the top of the lifting cage.
As shown in fig. 3, 4 and 5, in one embodiment of the present invention, a first upper wheel set 16 is installed on a suspension beam 13 of a suspension cage 11, a second upper wheel set 17 is installed on an upper portion of a counterweight 4, one end of a traction cable 7 is fixed relative to a movable workbench 2 after passing through a locking device, the remaining amount of the traction cable 7 is stored on a first code wheel 8 fixed outside the movable workbench or a hoistway; the other end of the traction rope 7 downwardly bypasses the first upper wheel set 16 and then upwardly, downwardly bypasses the second upper wheel set 17 after singly bypassing the traction machine 5 and the first guide wheel set 6 (fig. 3 and 4) or after repeatedly bypassing the traction machine 5 and the first guide wheel set 6 (fig. 5), then upwardly passes through the tension adjusting device and then is relatively fixed with the mobile workbench.
As shown in fig. 12, in one embodiment of the present invention, the movable working platform 2 includes a telescopic roof beam 27, a telescopic guard fence 28, a top guard canopy, a jacking limiting device 19 at an end of the roof beam, and a lifter fixed at the top of the roof beam or the suspension cage, the lifter is used for jacking operation of the lifter, the jacking limiting device 19 includes a limiting device body 20 and an elastic roller 21 mounted on the limiting device body; when the elevator is jacked, the jacking limiting device 19 is in a working state, and the elastic roller 21 is in real-time contact with the wall of the hoistway 1, so that the equipment is prevented from being damaged by deflection of the movable working platform during jacking;
the traction machine 5 is a synchronous gearless traction machine, an asynchronous geared traction machine, a servo motor or a separate winch; the upper and lower parts of the cage frame 11 are provided with guide shoes 22, the lower part is provided with an overspeed protection braking device (the braking device is fixed through an overspeed protection braking device fixing hole 30), and the upper part of the cage frame is also provided with a maintenance preventing device 29 of the cage during jacking operation, as shown in fig. 6.
Example 2
As shown in fig. 6 to 11, the present application further discloses another backpack type elevator, which includes a hoistway 1, a movable workbench 2, a suspension cage 3, a counterweight 4, a guide rail, a traction machine 5, a first guide wheel set 6, a second guide wheel set 24, a traction cable 7, a first code wheel 8 connected to the traction cable 7, a compensation cable 9, and a second code wheel 10 connected to the compensation cable 9; the suspension cage 3 and the counterweight 4 are arranged in the well 1; the upper and lower parts of the guide rails run alternately along the guide rails;
the first guide wheel set 6 is arranged on the movable workbench 2, the traction cable 7 is connected with the suspension cage 3 and the counterweight 4 through the first guide wheel set 6, and the rope winding mode of 1:1, 2:1 or 4:1 is realized through the arrangement of the first guide wheel set 6 by the traction cable 7;
the traction machine 5 is arranged outside a pit or a bottom layer shaft 1, two groups of second guide wheel sets 24 are arranged at the bottom of the shaft 1, the compensation rope 9 is used for connecting the lower end of the suspension cage 3 and the lower end of the balance weight 4, the compensation rope 9 sequentially bypasses the first group of second guide wheel sets 24, the traction machine 5 and the second group of second guide wheel sets 24, and the positions of the two groups of second guide wheel sets can be adjusted, so that the coating angle of the compensation rope on a traction wheel of the traction machine is changed, and the traction capacity is further changed; the arrangement of the compensating rope through the second guide wheel group realizes a rope winding mode of 1:1, 2:1 or 4: 1;
the compensation cable is a compensation chain, a compensation rope or a carbon fiber steel belt, and when the compensation cable is the compensation rope, a tension wheel and a tension device matched with the compensation cable are further arranged;
the suspension cage 3 comprises a suspension cage frame 11 with a knapsack structure 12, the upper part of the suspension cage frame is provided with a suspension beam 13, and the suspension beam is provided with a first upper wheel set or a traction cable end connecting fixing plate; the counterweight 4 is embedded in the void of the rucksack structure 12 of the gondola 11.
The backpack type elevator is arranged in the well 1, and the construction progress is not influenced by the external environment; the suspension cage 3 and the counterweight 4 are connected through the compensating cable 9, so that the requirement of the driving host on the torque is reduced; the counterweight 4 is embedded in the gap of the backpack structure 12 of the suspension cage frame 11, so that the space can be effectively saved, and the door opening mode of the suspension cage 3 can be more flexibly set.
As shown in fig. 9 to 11, in one embodiment of the present invention, one end of the traction cable 7 is fixed to the suspension beam 13 of the suspension cage 11, the other end thereof passes through the tension adjusting device and is fixed to the counterweight 4, and the second weight plate 10 is fixed to the suspension cage 3.
As shown in fig. 6, in one embodiment of the present invention, a first upper wheel set 16 is installed on a suspension beam 13 of the suspension cage 11, a second upper wheel set 17 is installed on an upper portion of the counterweight 4, one end of the traction cable 7 passes through the locking device and then is fixed relative to the movable table 2, and the other end thereof passes downward around the first upper wheel set 16 and then upward, passes around the first guide wheel set 6 and then downward around the second upper wheel set 17, and then passes upward through the tension adjusting device and then is fixed relative to the movable table; the first coded disc 8 is connected with the tail end of one end of the traction cable 7, and the first coded disc 8 is fixed on the movable workbench 2 or the outside of the top layer of the well 1.
Referring to fig. 7, in one embodiment of the present invention, one end of the compensating rope 9 is fixed to the lower portion of the cage 3, and the other end of the compensating rope sequentially bypasses the first set of second guiding wheel set 24, the traction machine 5, and the second set of second guiding wheel set 24 and then is fixed to the counterweight 4, and the second weight plate 10 is fixed to the cage 3 or the counterweight 4; the tensioning device 15 is matched with the compensating cable 9 and is fixed on the second guide wheel set; the traction machine drags the compensation rope to move to drive the suspension cage and the balance weight to run up and down alternately.
As shown in fig. 6, in one embodiment of the present invention, a first lower wheel set 25 is installed at the lower portion of the cage 3, a second lower wheel set 26 is installed at the lower portion of the counterweight 4, one end of the compensating rope 9 passes through the tension adjusting device and then is fixed to the bottom of the hoistway 1, the other end of the compensating rope passes upward around the first lower wheel set 25, then sequentially passes downward around the first second guide wheel set 24, the traction machine 5 and the second guide wheel set 24, passes upward around the second lower wheel set 26, then passes downward through the locking device and then is fixed to the bottom of the hoistway 1; the allowance of the compensating rope is stored on a second code disc, and the second code disc is fixed outside the pit or the well; and a tensioning device 15 matched with the compensating cable 9 and fixed on the second guide wheel set.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents which may be directly or indirectly applied to other related technical fields using the contents of the present specification and the accompanying drawings are also included in the scope of the present invention.
Claims (10)
1. A backpack type elevator is characterized by comprising a hoistway, a movable workbench, a suspension cage, a balance weight, a guide rail, a traction machine, a first guide wheel set, a traction cable, a first coded disc connected with the traction cable, a compensation cable and a second coded disc connected with the compensation cable; the suspension cage and the balance weight are arranged in the shaft and run up and down along respective guide rails;
the first guide wheel set is arranged on the movable workbench; optionally, a traction machine is fixed on the movable working platform, the traction cable is connected with the suspension cage and the counterweight through the traction machine and the first guide wheel set, and the rope winding mode of 1:1, 2:1 or 4:1 is realized through the arrangement of the traction machine and the first guide wheel set;
the lifting cage comprises a lifting cage frame with a knapsack structure, and the balance weight is embedded into a gap of the knapsack structure of the lifting cage frame;
the traction cable is a steel wire rope, a carbon fiber steel belt, a plastic-coated steel wire rope or a chain.
2. The backpack type lift of claim 1, wherein the compensating rope is disposed between the cage and the counterweight, one end of the compensating rope is fixed relative to the cage, the other end of the compensating rope is fixed relative to the counterweight, the second code wheel is connected to the end of one end of the compensating rope, the second code wheel is placed on the cage or the counterweight, the compensating rope is a compensating chain, a compensating rope or a compensating belt, and when the compensating rope is a compensating rope, the backpack type lift further comprises a tension wheel and a tension device which are matched with the compensating rope.
3. The backpack elevator as set forth in claim 1, wherein the compensating rope is disposed between a cage and a counterweight, a first lower wheel set is installed at a lower portion of the cage, a second lower wheel set is installed at a lower portion of the counterweight, and a second guide wheel set is installed at a bottom of the hoistway; one end of the compensation cable is relatively fixed with the bottom of the hoistway, the other end of the compensation cable is relatively fixed with the bottom of the hoistway after upwards winding around the first lower wheel set and downwards winding around the second guide wheel set and then downwards passing through the locking device, the balance of the compensation cable is stored on the second code disc and is placed at the bottom of the hoistway or on the outer side of the bottom layer, and the second guide wheel set is provided with a tensioning device for tensioning the compensation cable.
4. The backpack type lift of claim 1, wherein one end of the traction cable is fixed to a suspension beam of the suspension cage, and the other end thereof passes upward around the traction machine and the first guide pulley set, passes downward through the tension adjusting device, and is fixed to the counterweight; the surplus of the traction cable is stored on a first coded disc, and the first coded disc is fixed to the top of the lifting cage.
5. The backpack type lift of claim 1, wherein a first upper wheel set is installed on a suspension beam of the cage suspension frame, a second upper wheel set is installed on an upper portion of the counterweight, one end of the traction cable passes through the locking device and then is fixed relative to the movable type workbench, and the rest of the traction cable is stored on a first code disc fixed on the movable type workbench or outside the well; the other end of the traction rope winds downwards around the first upper wheel set and then upwards, winds downwards around the second upper wheel set after singly winding around the traction machine and the first guide wheel set or after repeatedly winding around the traction machine and the first guide wheel set, and then is fixed relative to the movable workbench after upwards passing through the tension adjusting device.
6. The backpack type lift of claim 1, wherein the movable work platform comprises a telescopic top beam, a telescopic protective guardrail, a top protective canopy, a lifting limiting device at the end part of the top beam and a lifter fixed at the top of the top beam or the cage, the lifter is used for lifting the lift, the lifting limiting device comprises a limiting device body and a roller with elasticity, and the roller is mounted on the limiting device body; when the elevator is jacked, the jacking limiting device is placed in a working state and is in real-time contact with the wall of the well through the elastic roller, so that the movable working platform is prevented from deflecting to damage equipment during jacking;
the traction machine is a synchronous gearless traction machine, an asynchronous geared traction machine, a servo motor or a separated winch; the upper and lower parts of the cage frame are provided with guide shoes, the lower part of the cage frame is provided with a braking and stopping device for overspeed protection, and the upper part of the cage frame is also provided with an overhaul preventing device for the cage during jacking operation.
7. A backpack type elevator is characterized by comprising a hoistway, a movable workbench, a suspension cage, a balance weight, a guide rail, a traction machine, a first guide wheel set, a second guide wheel set, a traction cable, a first coded disc connected with the traction cable, a compensation cable and a second coded disc connected with the compensation cable; the suspension cage and the balance weight are arranged in the shaft and run up and down along respective guide rails;
the first guide wheel set is arranged on the movable workbench, the traction cable is connected with the suspension cage and the counterweight through the first guide wheel set, and the rope winding mode of 1:1, 2:1 or 4:1 is realized through the arrangement of the first guide wheel set;
the traction machines are arranged outside a pit or a bottom layer shaft, two groups of second guide wheel sets are arranged at the bottom of the shaft, the compensation ropes are used for connecting the lower end of the suspension cage and the lower end of the counterweight, the compensation ropes sequentially bypass the first group of second guide wheel sets, the traction machine and the second group of second guide wheel sets, and the positions of the two groups of second guide wheel sets can be adjusted, so that the coating angle of the compensation ropes on the traction wheel of the traction machine is changed, and the traction capacity is further changed; the compensation cable realizes a rope winding mode of 1:1, 2:1 or 4:1 through the arrangement of the second guide wheel set;
the compensation cable is a compensation chain, a compensation rope or a carbon fiber steel belt, and when the compensation cable is the compensation rope, a tension wheel and a tension device matched with the compensation cable are further arranged;
the suspension cage comprises a suspension cage frame with a knapsack structure, a suspension beam is arranged at the upper part of the suspension cage frame, and the suspension beam is provided with a first upper wheel set or a traction cable end connection fixing plate; the counterweight is embedded in a gap of a backpack type structure of the suspension cage frame.
8. The backpack type lift of claim 7, wherein one end of the traction cable is fixed opposite to the suspension beam of the cage frame, the other end of the traction cable passes upward around the first guide wheel set, then passes downward through the tension adjusting device and is fixed opposite to the counterweight, and the first code wheel is fixed on the cage;
or, hang the suspension beam of cage frame and install first upper wheel group, the upper portion of counter weight is installed the second and is gone up the wheelset, the one end of haulage cable is behind locking device and movable workstation relatively fixed, and the other end upwards after downwards walking around first upper wheel group, walks around first direction wheelset after, downwards walks around the second and goes up the wheelset, then upwards after tension adjusting device with portable workstation relatively fixed.
9. The backpack type lift of claim 7, wherein one end of the compensating rope is fixed to a lower portion of the cage, and the other end of the compensating rope is fixed to the counterweight upward after passing through the first set of second guide pulley group, the traction machine, and the second set of second guide pulley group, and the second weight plate is fixed to the cage or the counterweight; the tensioning device is matched with the compensating cable and is fixed on the second guide wheel set; the traction machine drags the compensation cable to move to drive the suspension cage and the balance weight to run up and down alternately along the corresponding guide rail.
10. The backpack type elevator as claimed in claim 7, wherein a first lower wheel set is installed at a lower portion of the cage, a second lower wheel set is installed at a lower portion of the counterweight, one end of the compensating rope passes through the tension adjusting device and then is fixed to the bottom of the hoistway, the other end of the compensating rope passes upward around the first lower wheel set and then sequentially passes downward around the first second guide wheel set, the traction machine and the second guide wheel set, passes upward around the second lower wheel set and then passes downward through the locking device and then is fixed to the bottom of the hoistway; the allowance of the compensating rope is stored on a second code disc, and the second code disc is fixed outside the pit or the well; the tensioning device is matched with the compensating cable and is fixed on the second guide wheel set.
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| CN202110719370.0A CN113415694A (en) | 2021-06-28 | 2021-06-28 | Backpack type lifter |
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| CN202110719370.0A CN113415694A (en) | 2021-06-28 | 2021-06-28 | Backpack type lifter |
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