CN202279599U - Safety elevator - Google Patents
Safety elevator Download PDFInfo
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- CN202279599U CN202279599U CN2011203258430U CN201120325843U CN202279599U CN 202279599 U CN202279599 U CN 202279599U CN 2011203258430 U CN2011203258430 U CN 2011203258430U CN 201120325843 U CN201120325843 U CN 201120325843U CN 202279599 U CN202279599 U CN 202279599U
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- guide rail
- tooth bar
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- derrick
- elevator
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Abstract
The utility model discloses a safety elevator and relates to hoisting equipment. The elevator comprises a well enclosure (8), an elevator cab bracket (21) and an elevator cab guide rail, wherein the elevator cab guide rail is a rack guide rail (110), a main shaft (34) is arranged on the bottom of the elevator cab bracket (21), an elevator cab brake (37) is arranged in the middle of the main shaft (34), two ends of the main shaft (34) are provided with gears (35), and the gears (35) are meshed with the rack on the rack guide rail (110). An elevator cab is meshed the well enclosure (8) through a gear rack so as to enable the elevator cab brake (37) in the main shaft (34) to perform effective control on the elevator cab, thus being beneficial to the improvement of the operational security of the elevator cab, simplifying a safety device of the elevator and further reducing the cost of the elevator. The safety elevator provided by the utility model has the advantages of simple structure, reliability in operation and high elevator cab operation security, and can be used for all passage elevators and cargo elevators, as well as the improvement of the existing elevator.
Description
Technical field
The utility model is " a kind of hydraulic pressure speed limit elevator " at the invention and created name of first to file, and application number is ZL201110000728.0, and the applying date is on January 4th, 2011.
The utility model relates to a kind of lifting means, particularly relates to a kind of elevator.
Background technology
Though the traction of existing elevator technology is very ripe; But the greatest drawback that traction drives is a guide rail is sliding block joint with leading boots, and drg is located at towing machine, car with steel rope through the traction sheave on the towing machine with to reconnecting; It between traction sheave and the steel rope frictional transmission; And the reliability of frictional transmission is relatively poor, in case electronic control system is malfunctioning or steel rope and traction sheave skid even rupture, drg will lose efficacy and cause the car get out of hand that the major accident of squatting the end or rushing to summit takes place.
The hoistway of existing elevator is to be the car space that operation is provided with counterweight, and this space is that the end, well enclosure and the hoistway with well pit push up is boundary.Around the hoistway is well enclosure, well enclosure be used for installing elevator parts such as car guide rail and counterweight guide rail and separate hoistway and other places between body of wall or works.Because old-fashioned low-rise dwelling great majority do not consider to install elevator, so need newly-built well enclosure when installing elevator additional, newly-built well enclosure is the boundary with bottom end station flooring, and the end flooring of standing can be the civil engineering works with top, also can be metal frame mixed system thing; Hoistway below the flooring of bottom end station is called pit, and hole wall around the pit and base foundation thereof are formed pit hole body, and pit hole body is the extension of well enclosure, is the component part of well enclosure, also is the basic design of elevator load bearing.
Install additional in the elevator process at aging blocks, present newly-built well enclosure generally adopts the civil engineering structure, and well enclosure civil engineering construction work capacity is big, long in time limit, cost is high, and the civil engineering cost is near the selling price of elevator itself; And osed top well enclosure civil engineering influences the ventilation and lighting of stair, receives the opposition of many low layers resident family.
In order to solve the ventilation and lighting problem of stair; The well enclosure that aging blocks install elevator additional can adopt steel structure derrick, if steel structure derrick processing on the spot at the scene, its working out is very big; Long in time limit; Tooling cost often surpasses the cost of civil engineering, and the working accuracy of field operation is also restive, might influence the installation quality of elevator and safe in operation in the future.As the carrying basis of steel structure derrick, its pit hole body construction generally adopts ferro-concrete cast in situs, and cast in situs pit hole body generally needs more than 20 day, if run into continuous wet weather, the duration might drag longlyer.The pit construction period, long problem was not only spun out the time that elevator is delivered for use, and brought very big inconvenience on the living conditions for place building resident family, had influenced the normal life of resident family to a certain extent.
Summary of the invention
To the above-mentioned defective that existing elevator exists, the purpose of the utility model provides a kind of safe elevator, adopts rack pinion to be connected with a joggle between the well enclosure of said elevator and the car, and on the car main shaft, adds drg.Adopt rack pinion to be connected with a joggle between elevator hoistways wall and the car and on car the direct mount drg, both cooperate the safety of favourable raising cage operation; Simultaneously, adopt the compound type steel structure derrick can the reduction of erection time, improve the installation effectiveness and the installation quality of elevator, favourable saving cost, reduce cost, reduce the influence of elevator to resident family's ventilation and lighting is installed.
The purpose of the utility model realizes through following technical scheme: a kind of safe elevator; Comprise well enclosure, car frame and car guide rail, described car guide rail is the tooth bar guide rail, and described tooth bar guide rail is the left and right inboard that is symmetrical set and is fixedly arranged on through rail brackets well enclosure; The front side or the rear side of said tooth bar guide rail are provided with tooth bar; Described car frame bottom transverse is provided with 1 main shaft and 1 backgear axle, and described main shaft two ends are provided with gear, and said backgear axle two ends are provided with backgear; Tooth bar on the said tooth bar guide rail and described gear mesh, the opposite side of said tooth bar guide rail cooperates with described backgear; The inboard of said tooth bar guide rail is provided with slot rolling, and said car frame bottom and top outer are provided with roller, and said roller cooperates with slot rolling on the said tooth bar guide rail;
The left and right outside, the top of said car frame is provided with gear and backgear, the rack and pinion engagement on the said tooth bar guide rail, and its opposite side cooperates with backgear;
Described main shaft is provided with car brake, and the base of said car brake is located at the bottom of car frame.
The another kind of technical scheme of the utility model is: a kind of safe elevator; Comprise well enclosure, car frame and car guide rail; Described car guide rail is the tooth bar guide rail, and described tooth bar guide rail is left and rightly to be symmetrical set and to be fixedly arranged on the inboard of well enclosure through rail brackets, and the both sides of said tooth bar guide rail are provided with tooth bar; Its inboard is provided with slot rolling; The bottom of said car frame, the front side that is positioned at said left and right tooth bar guide rail and rear side are provided with two main shafts symmetrically, and the two ends of said two main shafts respectively are provided with gear, the gear at said two main shaft two ends each with the engagement of the tooth bar of said tooth bar guide rail both sides; Said car frame bottom and top outer are provided with roller, and said roller cooperates with slot rolling on the said tooth bar guide rail;
The left-external side at said car frame top and the right outside respectively are provided with a pair of gear, and the gear of said homonymy is forward and backward being symmetrical set and each and the tooth bar engagement of said tooth bar guide rail both sides;
Described main shaft is provided with car brake, and the base of said car brake is located at the bottom of car frame.
Well enclosure in above-mentioned two technical schemes can be body of wall or works, and described works comprises headframe and pit hole body, and described headframe bottom is installed on the body of pit hole through the high strength bolt on even keel; Described headframe is assembled by the steel structure derrick lamination more than 2; Each described derrick comprises 4 columns; Article 3, the back rest more than, the left side beam more than 3 and the right side beam more than 3; Described column is distributed in four jiaos of derrick, and the top of column and bottom on even keel are installed with Connection Block, and Connection Block is provided with the connecting bore more than 3; Described back rest two ends laterally join with column respectively, and described left and right curb girder two ends also laterally join with column respectively; Be provided with tie rod or brace panel between the described back rest, be provided with tie rod or brace panel between the left and right curb girder of said homonymy; Perhaps, be provided with tie rod or brace panel between the described back rest and the column, be provided with tie rod or brace panel between said left and right curb girder and the column, the purpose that tie rod or brace panel are set is in order to improve the intensity of derrick, to make it be not easy to produce deformation;
Each described derrick comprises 2 door beams and 1 front-axle beam, and wherein 1 Men Liang is located in addition between 1 door beam and the front-axle beam, and door beam and front-axle beam two ends join with column respectively; Between described front-axle beam and the door beam, or said front-axle beam, door beam and column between be provided with tie rod or brace panel, adopt the favourable ventilation and lighting of steel structure derrick, shorten the construction period of well enclosure.
Described pit hole body comprises the hole wall of horizontally disposed basis and square shape structure; Wall on even keel perpendicular being located on the basis and with basic sealed type in said hole is connected; Select one for four jiaos of four jiaos of said hole wall upper surface or said basic upper surface and be embedded with the holding-down bolt that is used to install derrick, the setting of said holding-down bolt cooperates with connecting bore on the derrick Connection Block;
Described pit hole body is the reinforced concrete foundation structure, and described pit hole body can adopt the ferro-concrete primary concreting to form in constructing at the scene, also can adopt reinforced concrete precast member; Perhaps, described hole wall adopts integral prefabricated of ferro-concrete, adopts ferro-concrete to build in constructing at the scene in described basis, for convenient lifting, is installed with to the and arranged on left and right sides of said hole wall preformed part or forward and backward bilateral symmetry the horizontal hook more than 4.
The utility model has the advantages that:
1, car is provided with the safety of the favourable raising cage operation of drg.Owing to adopt rack-and-gear to be connected with a joggle between car and the well enclosure; Make the drg of being located at the car main shaft realize actv. control to cage operation; So safety of favourable raising cage operation; Can also simplify simultaneously the safety device of elevator, save safety devices such as velocity limiter, safety tongs, end station fender guard, thus the cost of favourable reduction elevator.
2, car is provided with electronic speed probe and can realizes accurately measurement to elevator operation.Be connected with a joggle owing to adopt between car and the well enclosure; So being located at the electronic speed probe of car main shaft can realize accurately measuring to elevator operation; For Elevator landing, speed control and end station overreach protection etc. provide accurate electronic signal; This device can improve langding accuracy, also can save former flat bed inductor simultaneously.
3, adopt the compound type derrick can shorten the construction period, favourable ventilation and lighting.Because the compound type derrick carries out standardized production in factory, assemble flexibly according to the floor number of plies at the scene, therefore can save the trouble of well enclosure civil engineering; Can also improve the installation effectiveness and the installation quality of elevator; Thereby the favourable reduction of erection time is saved cost, reduces the overall cost of elevator; In addition, the compound type steel structure derrick does not have osed top civil engineering structure, thereby reduces to minimum installing the influence of elevator to low layer resident family ventilation and lighting additional.
4, adopt the pit prefabricating technique can shorten the pit construction period.Because the pit of the utility model hole body can adopt reinforced concrete precast member, so favourable raising operating efficiency shortens the construction period, reduces the influence of pit construction to the daily life of place building resident family; Employing is built prefabrication and can also be guaranteed that pit hole body has horizontal surface and setting accuracy are installed accurately, and excellent waterproof antiseepage function is arranged.
Description of drawings
Fig. 1 compound type derrick scheme 1 transparent view,
Fig. 2 compound type derrick is decomposed into left frame, side arm, after-frame and right frame scheme drawing,
Fig. 3 compound type derrick scheme 2 transparents view,
The direct wall-attaching equipment scheme drawing of Fig. 4,
The indirect wall-attaching equipment scheme drawing of Fig. 5,
Fig. 6 car frame transparent view,
Fig. 7 derrick, car and counterweight annexation scheme drawing,
Fig. 8 pit hole body transparent view,
Fig. 9 cheats wall reinforced concrete precast member transparent view,
Figure 10 reinforcement foundation precast concrete transparent view,
Figure 11 cheats wall and basic design cutaway view,
Figure 12 derrick, underframe and pit hole body cooperate scheme of installation,
The tooth bar guide rail that Figure 13 embodiment one is located at well enclosure adopts the individual gears mesh schematic representation,
The tooth bar guide rail that Figure 14 embodiment two is located at derrick adopts the individual gears mesh schematic representation,
The tooth bar guide rail that Figure 15 embodiment one is located at well enclosure adopts bidentate wheel mesh schematic representation,
The tooth bar guide rail that Figure 16 embodiment two is located at derrick adopts bidentate wheel mesh schematic representation.
Among the figure: derrick 1; Car 2; Counterweight 5; Body of wall 6; Corridor 7; Well enclosure 8; Underframe 12; Column 101; Front-axle beam 102; Door beam 103; The back rest 104; Curb girder 105; Tie rod or brace panel 106; Connection Block 107; Connecting bore 108; Upright beam 109; Tooth bar guide rail 110; Rail brackets 111; Traction sheave 112; Counterweight guide rail 115; To heavy rail frame 116; Attached wall frame 117; Gap bridge connecting rod 118; Cross bar 119; Go into wall screw 120; Track adjusting wheel 121; Car frame 21; Roller 22; Lead boots 24; Main shaft 34; Gear 35; Tooth bar 36; Car brake 37 backgears 38; Backgear axle 39; Pit hole body 13; Basis 130; Hole groove 131; Hole wall 132; Holding-down bolt 134; Mattress 135; Suspension hook 136; Straight hook 137 horizontal hooks 138; Crossbeam 139; Nut 141; Cushion block or push rod 142; End station flooring 143; Ground 144; Soil layer 145.
The specific embodiment
Embodiment one: as shown in Figure 7; A kind of safe elevator comprises well enclosure 8, car 2, counterweight 5; Car 2 moves in well enclosure 8; The well enclosure 8 of present embodiment is body of wall or civil engineering structure, and car 2 adopts the traction driving style of existing elevator, and car 2 usefulness steel ropes 254 link to each other with counterweight 5 through traction sheave 112 and track adjusting wheel 121.
Shown in figure 13; The described elevator of present embodiment comprises well enclosure 8, car frame 21 and is located at the car guide rail of well enclosure 8; Described guide rail is not common T shape guide rail, but tooth bar guide rail 110, and described tooth bar guide rail 110 is the left and right inboard that is symmetrical set and is fixedly arranged on through rail brackets 111 well enclosure 8; The front side or the rear side of said tooth bar guide rail 110 are provided with tooth bar; Said car frame 21 bottom transverse are provided with 1 main shaft 34 and 1 backgear axle 39, and said main shaft 34 two ends are provided with gear 35, and said backgear axle 39 two ends are provided with backgear 38; Said tooth bar guide rail 110 is provided with a side and 35 engagements of described gear of tooth bar, and the opposite side of said tooth bar guide rail 110 cooperates with described backgear 38; The inboard of said tooth bar guide rail 110 is provided with slot rolling, and the bottom of said car frame 21 and top outer are provided with roller 22, and said roller 22 cooperates with slot rolling on the said tooth bar guide rail 110; The left and right outside, the top of said car frame 21 is provided with gear 35 and backgear 38, rack and pinion 35 engagements on the said tooth bar guide rail 110, and its opposite side cooperates with backgear 38; Said main shaft 34 is provided with car brake 37, and the base of car brake 37 is located at the bottom of car frame 21.
This programme only is provided with tooth bar in a side of tooth bar guide rail 110, so be called monodentate bar meshing schemes.In addition, present embodiment also can adopt the double rack meshing schemes.Shown in figure 15; Described elevator comprises well enclosure 8, car frame 21 and is located at the car guide rail of well enclosure 8; Described car guide rail is not common T shape guide rail, but tooth bar guide rail 110, and described tooth bar guide rail 110 is the left and right inboard that is symmetrical set and is fixedly arranged on through rail brackets 111 well enclosure 8; The both sides of said tooth bar guide rail 110 are provided with tooth bar, and its inboard is provided with slot rolling; Cooperate with the tooth bar of said tooth bar guide rail 110 both sides; The bottom of said car frame 21, the front side that is positioned at said left and right tooth bar guide rail 110 and rear side are provided with two main shafts 34 (seeing shown in Figure 6) symmetrically; The two ends of said two main shafts 34 respectively are provided with gear 35, the gear at said two main shaft 34 two ends 35 each with the tooth bar engagement of said tooth bar guide rail 110 both sides; Said car frame 21 bottoms and top outer are provided with roller 22, and said roller 22 cooperates with slot rolling on the said tooth bar guide rail 110, to guarantee the left and right guiding of cage operation; The left-external side at said car frame 21 tops and the right outside respectively are provided with a pair of gear 35, and the gear 35 of said homonymy is symmetrical set and each and the tooth bar engagement of said tooth bar guide rail 110 both sides for forward and backward; 4 groups of gears 35 of said car frame 21 tops and bottom mesh with the front and back of tooth bar guide rail 110, to guarantee the forward and backward guiding of cage operation.
In described 2 main shafts 34, wherein the middle part of a main shaft 34 is provided with car brake 37 and electronic speed probe (Figure 15 is not shown), and the base of electronic speed probe and car brake 37 is located at car frame 21.Electronic speed probe provides flat bed signal, end station signal and cage operation speed signal; The electronic signal that the work of car brake 37 is provided by electronic speed probe is controlled, and when car moved with normal speed, car brake 37 was not had an effect; When cage operation speed surpasses command speed 115%; Electronic speed probe sends overspeed signal, and car brake 37 is cut off power supply and brake action takes place, and car 2 is slowed down until normal operation.
Owing to adopt gear, tooth bar to be connected with a joggle between car 2 and the well enclosure 8; Make car brake 37 realize actv., failure-free control to cage operation; So safety of adopting present technique can improve cage operation greatly; Also can save mechanical safety devices such as velocity limiter, safety tongs, end station fender guard, reduce the cost of elevator; Being located at the electronic speed probe of main shaft 34 can realize accurately measuring to elevator speed and range ability; And be that Elevator landing, speed control and end station overreach protection etc. provide accurate electronic signal through controller; Thereby further improve the langding accuracy of car, can also save the flat bed inductor that is installed in well enclosure 8 left and right sides.
The structure of present embodiment towing machine is identical with existing towed elevator; Drg and car brake 37 set on the towing machine have the clear and definite division of labor: the former plays a role when car normally moves; Car is stopped accurately; Guarantee langding accuracy, can not produce slippage, and the control car makes it keep specified running velocity; The latter only just has an effect in car stall even when uncontrollable.The effect of car brake 37 is equivalent to safety tongs, but both braking effects are different fully: the braking of safety tongs is paroxysmal, " rigidity ", glancing impact has bigger damage to guide rail; The braking of car brake 37 then is progressive, " flexibility ", glancing impact can not produce damage to guide rail, can realize progressively brake snub, car brake 37 is set equals to have increased the failure-free security perimeter one.
Embodiment two: shown in figure 12, present embodiment and embodiment one are basic identical, and different is that well enclosure 8 is improved.The well enclosure 8 of present embodiment adopts metal frame mixed system thing; Described well enclosure 8 comprises headframe and pit hole body 13; Described headframe is the number of plies that floor is installed according to elevator; Assembled through the high strength bolt lamination by the derrick more than 21, the derrick of said headframe bottom is called the bottom derrick, and described bottom derrick is installed on the body 13 of pit hole through the high strength bolt on even keel.
As shown in Figure 1; Described derrick 1 comprises 101,3 back rest of 4 columns 104 and each 3 left and right curb girder 105; Described column is distributed in four jiaos of derrick 1; The top of column 101 and bottom on even keel are installed with Connection Block 107, and Connection Block 107 is provided with 4 connecting bores 108 (in other embodiments, connecting bore 108 also can be more than 3 or 3); The described back rest 104 two ends laterally join with column 101 respectively, are provided with tie rod 106 between the back rest 104 of said homonymy; Described left and right curb girder 105 two ends laterally join with column 101 respectively, are provided with tie rod 106 between the left and right curb girder 105 of said homonymy;
Described derrick 1 comprises 2 door beams 103 and 1 front-axle beam 102; Wherein 1 door beam 103 is located in addition between 1 door beam 103 and the front-axle beam 102; Door beam 103 and front-axle beam 102 two ends join with column 101 respectively; Interior spacing >=2000mm between said 2 door beams 103 is provided with tie rod or brace panel 106 between said front-axle beam 102, door beam 103 and the column 101.
As embodiment one, the set car guide rail of present embodiment is not common T shape guide rail, but tooth bar guide rail 110.See shown in Figure 14; The middle part that said tooth bar guide rail 110 is located at derrick 1 through rail brackets 111 is inboard, and the front side or the rear side of said tooth bar guide rail 110 are provided with tooth bar, and said car frame 21 is provided with 1 main shaft 34 and 1 backgear axle 39; Described main shaft 34 two ends are provided with gear 35; Said backgear axle 39 two ends are provided with backgear 38, tooth bar on the described tooth bar guide rail 110 and 35 engagements of described gear, and the opposite side of said tooth bar guide rail 110 cooperates with described backgear 38; The inboard of said tooth bar guide rail 110 is provided with slot rolling; The bottom of said car frame 21 and top outer are provided with roller 22; Described roller 22 cooperates with slot rolling on the described tooth bar guide rail 110; Wherein said 1 main shaft 34 is provided with car brake 37 and electronic speed probe (Figure 14 is not shown), and the base of car brake 37 and electronic speed probe is located at car frame 21.
Present embodiment can also adopt double rack ingear technical scheme.See shown in Figure 16; Described tooth bar guide rail 110 is the left and right inboard that is symmetrical set and is fixedly arranged on through rail brackets 111 well enclosure 8; The both sides of said tooth bar guide rail 110 are provided with tooth bar, and its inboard is provided with slot rolling, and the bottom of said car frame 21, the front side that is positioned at said left and right tooth bar guide rail 110 and rear side are provided with two main shafts 34 symmetrically; The two ends of said two main shafts 34 respectively are provided with gear 35, the gear at said two main shaft 34 two ends 35 each with the tooth bar engagement of said tooth bar guide rail 110 both sides; Said car frame 21 bottoms and top outer are provided with roller 22, and said roller 22 cooperates with slot rolling on the said tooth bar guide rail 110;
The left-external side at said car frame 21 tops and the right outside respectively are provided with a pair of gear 35, and the gear 35 of said homonymy is symmetrical set and each and the tooth bar engagement of said tooth bar guide rail 110 both sides for forward and backward;
In described two main shafts 34, wherein a main shaft 34 is provided with electronic speed probe and car brake 37, and the base of electronic speed probe and car brake 37 is located at car frame 21.
Described tooth bar guide rail 110, counterweight guide rail 115 are isometric with derrick 1, and adapt with the story height of adorning terraced building.Tooth bar modulus on the said tooth bar guide rail 110 can be selected between 6-8, and under the fixed prerequisite of tooth bar modulus, the length of tooth bar guide rail 110 should be the integral multiple of rack tooth distance and total number of teeth.Like story height is 3000mm, and the tooth bar modulus selects 6, tooth pitch P=188496, total number of teeth 160, tooth bar length ≈ 3016mm; Select 8 like the tooth bar modulus, tooth pitch P=251328, total number of teeth 120, tooth bar length ≈ 3016mm; Select 7 like the tooth bar modulus, tooth pitch P=219912, the number of teeth 137, tooth bar length ≈ 3013mm so analogizes.The tooth bar modulus of present embodiment tooth bar guide rail 110 selects 6, total number of teeth 160, and the length ≈ 3016mm of tooth bar guide rail 110 is so the length of the height of present embodiment derrick 1 and counterweight guide rail 115 is 3016mm.
Be convenient processing and assembled on site, derrick is necessary to carry out standardized production.Derrick 1 can be taked whole processing method or divide the frame processing method when producing.Whole processing method be with front-axle beam 102, door beam 103, the back rest 104 and left and right curb girder 105 with all adopt affixed (promptly welding) being connected of column 101; Derrick after affixed is the integral type derrick; The installation of integral type derrick can be adopted lift-on/lift-off system or load on top system; Be convenient lifting or top dress, column 101 outsides of derrick 1 can add the hanger (not shown).Lift-on/lift-off system is as piling up wood; Derrick stack is successively from low to high installed, load on top system be with bottom first segment derrick from the bottom jack-up, put into the second joint derrick in its underpart; Both through high strength bolt affixed after; Again with the second joint derrick from the bottom jack-up, put into the 3rd joint derrick again in its underpart ... So analogize, until having adorned the final section derrick.The integral type derrick geometry is firm, and working accuracy is high, but oad is big, and transportation and inconvenient installation and cost are higher.
Dividing the frame processing method is to resolve into left frame, right frame, after-frame and side arm to derrick 1, processes respectively then.Fig. 2 from left to right is depicted as the exploded drawings of left frame, side arm, after-frame and right frame, and left frame is through the two ends of 3 left side beams 105 and left side 2 columns, 101 affixed forming, and for gaining in strength, is provided with tie rod or brace panel 106 between 3 left side beams 105; Right frame is two ends and right side 2 columns, 101 affixed the forming through 3 right side beams 105, for gaining in strength, is provided with tie rod or brace panel 106 between 3 right side beams 105; Left side frame and inboard, right frame middle part vertically are installed with car guide rail 110 separately through rail brackets 111, and left frame and right frame rear inside are through vertically be fixed with counterweight guide rail 115 to heavy rail frame 116 separately.Described after-frame comprises 2 upright beams 109 and 3 back rest 104, the two ends of the back rest 104 respectively with 2 upright beam 109 affixed after-frames that form, for gaining in strength, be provided with tie rod 106 between the back rest 104; Said side arm comprises 109,2 door beams 103 of 2 upright beams and 1 front-axle beam 102, the two ends of door beam 103, front-axle beam 102 respectively with 2 upright beam 109 affixed side arms that form, be provided with brace panel 106 between front-axle beam 102 and the adjacent beam 103.Upright beam 109 in side arm or the after-frame can adopt angle steel or the processing of U-shaped steel.
When installing at the scene; Can earlier the left frame of bottom derrick, right frame be fixed in respectively on the holding-down bolt 134 of pit hole body 13; Again side arm, after-frame are passed through bolted connection with left frame, right frame respectively; The squareness of calibrating each frame with theodolite respectively at both direction is then welded side arm, after-frame respectively behind the calibration location again with left frame, right frame location, the installation method of its last layer derrick can be analogized.The advantage of dividing the frame processing method is convenient processing, transportation and installs that transportation and cost of installation are lower, and shortcoming is must not want to take the trouble slightly through welding after the squareness calibration between each frame again.
As previously mentioned, the well enclosure 8 of present embodiment comprises pit hole body 13.Like Fig. 8, Fig. 9, shown in Figure 10; Described pit hole body 13 comprises horizontally disposed basic 130 and the hole wall 132 of square shape structure; Four jiaos of said hole wall 132 upper surfaces are embedded with the high strength holding-down bolt 134 that is used for the installation code derrick; (not shown)s are welded with hole wall 132 interior mattresss 135 in the lower end of holding-down bolt 134; The setting of holding-down bolt 134 cooperates with connecting bore 108 on the bottom derrick Connection Block, and said hole wall 132 is erected on the basis 130 and is affixed with basic 130 sealed types, and the oad around said basic 130 is corresponding more than the oad 100mm greater than hole wall 132.
In order to guarantee that pit hole body 13 has enough bearing capacities and intensity, pit hole body 13 must adopt reinforced concrete structure.The construction of pit hole body 13 can be adopted casting method, prefabrication or build prefabrication, and present embodiment adopts builds prefabrication.The hole wall 132 of building prefabrication adopts reinforced concrete precast member, and ferro-concrete cast in situs is used on 130 on basis.As shown in Figure 9, the and arranged on left and right sides limit of said hole wall 132 is embedded with horizontal hook 138 when prefabricated, and weld with hole wall 132 interior mattresss 135 the inner of horizontal hook 138; In order to guarantee that 130 there is enough intensity on the basis, said basic 130 ferro-concrete is built thickness >=500mm, in establish double steel bar net 135, the interval >=300mm of mattress 135.
The working procedure of building prefabrication is;
1, dig and cheat the hole, the compacting soil layer, size is greater than more than the body size 200mm of hole around the hole, hole;
2, it is floating to cheat the end with cement mortar;
3, put into the used double steel bar net 135 in basis 130 end in the hole;
4, prefabricated pit wall 132 reinforced concrete members.Can adopt punching block when prefabricated, in punching block, insert mattress 135, in the preset hole of punching block prepackage holding-down bolt 134 and horizontal hook 138 and with mattress 135 welding, fill cement mortar, tamping then until its dry forming;
5, hole wall suspention.See shown in Figure 11; Hole wall 132 preformed parts are hung in the desired location in the hole, hole, above the hole, hole, set up two crossbeams 139, make crossbeam 139 be in the antetheca of hole wall 132 and the upside of rear wall through cushion block or push rod 142; Between the horizontal hook 138 of crossbeam 139 and hole wall 132, be provided with straight hook 137; Straight hook 137 lower ends and horizontal hook 138 hook joints, its upper end is spirally connected through nut 141 and crossbeam 139, and above-mentioned connection makes hole wall 132 be in suspended state;
6, hole wall upper surfaces level is regulated.Setting nut 141 makes the upper surface of hole wall 132 roughly be in horizontality, and exceeds end station flooring 143 about 20-60mm;
7, will cheat the mattress 135 of wall 132 lower ends and mattress 135 weld togethers on basis 130;
8, cement injection mortar.The pre-buried Power Ground line in basic 130 bottoms, cement injection mortar and tamping in the hole are until the design thickness that reaches basis 130;
9, setting nut 141 once more makes the upper surface of hole wall 132 drop to the design height of end station flooring 143, in the process of setting nut 141, measures through level indicator, makes the upper surface of hole wall 132 keep horizontality;
10, remove unnecessary cement mortar in the pit, make the upper surface on basis 130 keep formation state, buffer base is installed, cheating wall 132 outside backfill earthwork and tamping soil layer.
The hole wall 132 of building prefabrication adopts punching block prefabricated; Hole wall suspention sedimentation and horizontal adjustment technology have been adopted at the scene in the construction; So can guarantee to cheat wall 132 setting accuracy of horizontal surface being installed accurately and guaranteeing derrick is arranged; Because cast in situs is adopted on basis 130, wall 132 sedimentation again after build on basis 130 in hole makes pit have excellent waterproof antiseepage function simultaneously.Build prefabrication water underpin 130 back just can the backfill earthwork, just steel structure derrick can be installed after 10 days, operating efficiency, the reduction of erection time that therefore can improve pit greatly, the minimizing pit is constructed to the influence of resident family's daily life.
For inclination that prevents derrick and the squareness that keeps derrick, between derrick and body of wall, should add wall-attaching equipment.Wall-attaching equipment can adopt direct wall-attaching equipment or indirect wall-attaching equipment according to the actual conditions of building.Shown in Figure 4, directly wall-attaching equipment comprises attached wall frame 117 and goes into wall screw 120, goes into wall screw 120 and imbeds in the body of wall 6, and attached wall frame 117 is installed in derrick 1 and with to go into wall screw 120 affixed.As shown in Figure 5, wall-attaching equipment comprises attached wall frame 117, gap bridge connecting rod 118, cross bar 119 and goes into wall screw 120 indirectly.Attached wall frame 117 1 ends and derrick 1 join; The other end joins with the wall screw 120 of going into of imbedding body of wall 6, and both sides are gone into to be provided with cross bar 119 between the wall screw 120, and the effect of cross bar 119 is to hold out against into wall screw 120; Make its unlikely getting loose, be used to connect gap bridge connecting rod 118 simultaneously so that the elevator passageway to be installed.Because elevator is installed pit basis, back sedimentation might take place, so generally adopt indirect wall-attaching equipment to connect derrick 1.When adopting indirect wall-attaching equipment, being connected between attached wall frame 117 and body of wall 6, the derrick 1 should adopt hinged.
Except that embodiment, the derrick of the utility model, pit hole body also have the other technologies scheme available:
One, derrick
1, layer door frame and underframe combination
The height of derrick 1 must adapt with the story height of adorning terraced building, and the story height of existing dwelling house is generally 2800--3600mm, so the length of the height of every joint derrick and car guide rail 110, counterweight guide rail 115 can be selected between 2800--3600mm.And the height of derrick receives the restriction of processing conditions and traffic condition to a large extent, if the derrick superelevation is ultra wide, makes troubles for the processing transportation.Therefore, for highly surpassing 2800mm or the floor derrick more than the 3000mm, can consider to adopt the array mode of layer door frame and underframe.
See shown in Figure 3ly, described layer door frame 11 comprises 101,2 door beams 103 of 4 columns, each 3 back rest 104 and each 3 left and right curb girder 105; Column 101 is distributed in four jiaos of derrick, and its top and bottom water level land are installed with Connection Block 107, and Connection Block 107 is provided with 4 connecting bores 108 (connecting bore 108 also can be more than 3 or 3); Door beam 103, the back rest 104 and left and right curb girder 105 two ends laterally join with column 101 respectively, the interior spacing >=2000mm between 2 door beams 103; Between the back rest 104 of homonymy and between the left and right curb girder 105 of homonymy, perhaps be provided with tie rod or brace panel 106 between the back rest 104, left and right curb girder 105 and the column 101.
See Fig. 3, described underframe 12 comprises column 101, front-axle beam 102, the back rest 104 and left and right curb girder 105; Described column 101 is 4, and is distributed in four jiaos of derrick, and the top of column 101 and bottom water level land are installed with Connection Block 107, and Connection Block 107 is provided with 4 connecting bores 108 (connecting bore 108 also can be more than 3 or 3); Front-axle beam 102, the back rest 104 and left and right curb girder 105 respectively are 2, and each is affixed with the upper and lower end level of column 101 respectively at its two ends; Between the front-axle beam 102 of homonymy, be provided with tie rod or brace panel 106 between the back rest 104 of homonymy and between the left and right curb girder 105 of homonymy.
Described layer door frame 11 and underframe 12 comprise 2 symmetrically arranged car guide rails 110 and counterweight guide rail 115; Described car guide rail 110 is inboard through the middle part that rail brackets 111 vertically is installed in layer door frame 11 and underframe 12 left and right curb girders 105, and described counterweight guide rail 115 is through vertically being located at the rear inside of layer door frame 11 and underframe 12 left and right curb girders 105 to heavy rail frame 116.
Described underframe 12 can be located at the top or the bottom of layer door frame 11, and Connection Block 107 between the two is affixed through high strength bolt.The height of the derrick of being made up of layer door frame 11 and underframe 12 1 and the length of car guide rail 110 adapt with the story height of adorning terraced building.
2, Stilt layer underframe
In existing aging blocks, the bottom of many buildings all is provided with Stilt layer, and the height of Stilt layer just differs.If elevator bottom terminal-station apparatus in ground, just might cause the floor derrick that processes by story height can't cooperate installation with Stilt layer.This problem can solve through adding underframe 12; In this case; The height of underframe 12 just equals the height of Stilt layer, and underframe 12 is located on the floor derrick and with the floor derrick and is formed bottom derrick (seeing Figure 12) jointly, and the bottom derrick is provided with car guide rail 110 and counterweight guide rail 115 equally; The length of car guide rail 110 and counterweight guide rail 115 cooperates with the height of bottom derrick, and its installation method is identical with other floor derricks.
3, pit underframe
Bottom derrick among the embodiment is installed on the wall 132 of hole through high strength bolt, in other embodiments, also can connect through underframe 12 between upper surface to the bottom derrick on basis 130.As adopt this programme, and answer pre-embedded anchoring bolts 134 for four jiaos of said basic 130 surfaces, underframe 12 is directly installed on the basis 130 through holding-down bolt 134.The height of underframe 12 is exactly the height of hole wall 132, cheats wall 132 this moment and no longer has bearing function and have only the waterproof, seepage control function, so hole wall 132 can be done thinlyyer.The pit underframe is provided with car guide rail 110 and counterweight guide rail 115 equally, and the installation method of car guide rail 110 and counterweight guide rail 115 is identical with other floor derricks.
4, tie rod or brace panel
5, derrick material
Two, pit hole body
The bottom derrick can be installed on the wall 132 of hole, also can be installed on the basis 130.If be installed on the basis 130, the upper surface on basis is wanted pre-embedded anchoring bolts 134, and the setting of holding-down bolt 134 will cooperate with the connecting bore 108 on the bottom derrick, and must weld with the mattress in the basis.
Claims (7)
1. safe elevator; Comprise well enclosure (8), car frame (21) and car guide rail; It is characterized in that: described car guide rail is tooth bar guide rail (110); Described tooth bar guide rail (110) is symmetrical set and is fixedly arranged on the inboard of well enclosure (8) through rail brackets (111) for left and right, and the front side of said tooth bar guide rail (110) or rear side are provided with tooth bar, and described car frame (21) bottom transverse is provided with 1 main shaft (34) and 1 backgear axle (39); Described main shaft (34) two ends are provided with gear (35); Said backgear axle (39) two ends are provided with backgear (38), tooth bar on the said tooth bar guide rail (110) and described gear (35) engagement, and the opposite side of said tooth bar guide rail (110) cooperates with described backgear (38); The inboard of said tooth bar guide rail (110) is provided with slot rolling, and said car frame (21) bottom and top outer are provided with roller (22), and said roller (22) cooperates with slot rolling on the said tooth bar guide rail (110);
The left and right outside, top of said car frame (21) is provided with gear (35) and backgear (38), rack and pinion (35) engagement on the said tooth bar guide rail (110), and its opposite side cooperates with backgear (38);
Described main shaft (34) is provided with car brake (37), and the base of said car brake (37) is located at the bottom of car frame (21).
2. safe elevator; Comprise well enclosure (8), car frame (21) and car guide rail; It is characterized in that: described car guide rail is tooth bar guide rail (110); Described tooth bar guide rail (110) is the left and right inboard that is symmetrical set and is fixedly arranged on through rail brackets (111) well enclosure (8); The both sides of said tooth bar guide rail (110) are provided with tooth bar, and its inboard is provided with slot rolling, and the bottom of said car frame (21), the front side that is positioned at said left and right tooth bar guide rail (110) and rear side are provided with two main shafts (34) symmetrically; The two ends of said two main shafts (34) respectively are provided with gear (35), the gear (35) at said two main shafts (34) two ends each with the engagement of the tooth bar of said tooth bar guide rail (110) both sides; Said car frame (21) bottom and top outer are provided with roller (22), and said roller (22) cooperates with slot rolling on the said tooth bar guide rail (110);
The left-external side at said car frame (21) top and the right outside respectively are provided with a pair of gear (35), and the gear of said homonymy (35) is symmetrical set and each and the tooth bar engagement of said tooth bar guide rail (110) both sides for forward and backward;
Be provided with car brake (37) in the described main shaft (34), the base of said car brake (37) is located at the bottom of car frame (21).
3. elevator according to claim 1 and 2 is characterized in that: described well enclosure (8) comprises headframe and pit hole body (13), and described headframe bottom is installed on the pit hole body (13) through the high strength bolt on even keel; Described headframe is assembled by the derrick more than 2 (1) lamination; Each described derrick (1) comprises 4 columns (101); Article 3, the back rest more than (104), the left side beam more than 3 (105) and the right side beam more than 3 (105); Described column (101) is distributed in four jiaos of derrick (1), and the top of column (101) and bottom on even keel are installed with Connection Block (107), and Connection Block (107) is provided with the connecting bore (108) more than 3; The described back rest (104) and left and right curb girder (105) two ends laterally join with column (101) respectively; Be provided with tie rod or brace panel (106) between the described back rest (104), be provided with tie rod or brace panel (106) between the left and right curb girder (105) of said homonymy; Perhaps, be provided with tie rod or brace panel (106) between the described back rest (104) and the column (101), be provided with tie rod or brace panel (106) between said left and right curb girder (105) and the column (101);
Each described derrick (1) comprises 2 door beams (103) and 1 front-axle beam (102), and wherein 1 door beam (103) is located in addition between 1 the door beam (103) and front-axle beam (102), and a beam (103) and front-axle beam (102) two ends join with column (101) respectively.
4. elevator according to claim 3 is characterized in that: be provided with tie rod or brace panel (106) between said front-axle beam (102) and the door beam (103) or between front-axle beam (102), door beam (103) and the column (101).
5. elevator according to claim 4; It is characterized in that: described pit hole body (13) comprises the hole wall (132) of horizontally disposed basis (130) and square shape structure; Perpendicular being located on the basis (130) and with basis (130) sealed type of said hole wall (132) on even keel is connected; Select one for four jiaos of said hole wall (132) or said basis (130) upper surface and be embedded with the holding-down bolt (134) that is used to install derrick (1), the setting of said holding-down bolt (134) cooperates with connecting bore (108) on the derrick Connection Block (107).
6. elevator according to claim 5 is characterized in that: described pit hole body (13) is the reinforced concrete foundation structure, adopts the ferro-concrete primary concreting to form during described pit hole body (13) is constructed at the scene.
7. elevator according to claim 5; It is characterized in that: described hole wall (132) adopts integral prefabricated of ferro-concrete; Adopt ferro-concrete to build in constructing at the scene in described basis (130), be installed with to the and arranged on left and right sides of said hole wall (132) or forward and backward bilateral symmetry the horizontal hook (138) more than 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203258430U CN202279599U (en) | 2011-01-04 | 2011-09-01 | Safety elevator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100007280A CN102070059A (en) | 2011-01-04 | 2011-01-04 | Hydraulic speed limiting elevator |
| CN201110000728.0 | 2011-01-04 | ||
| CN2011203258430U CN202279599U (en) | 2011-01-04 | 2011-09-01 | Safety elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202279599U true CN202279599U (en) | 2012-06-20 |
Family
ID=44028848
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100007280A Pending CN102070059A (en) | 2011-01-04 | 2011-01-04 | Hydraulic speed limiting elevator |
| CN2011102566299A Pending CN102320509A (en) | 2011-01-04 | 2011-09-01 | Safety elevator |
| CN2011102566208A Pending CN102431868A (en) | 2011-01-04 | 2011-09-01 | Hydraulic speed-limiting lift |
| CN2011203258430U Expired - Fee Related CN202279599U (en) | 2011-01-04 | 2011-09-01 | Safety elevator |
| CN2011104624674A Pending CN102583120A (en) | 2011-01-04 | 2011-12-27 | Elevator with brake on elevator cab |
| CN2011205792507U Expired - Fee Related CN202481868U (en) | 2011-01-04 | 2011-12-27 | Elevator with brake in car |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100007280A Pending CN102070059A (en) | 2011-01-04 | 2011-01-04 | Hydraulic speed limiting elevator |
| CN2011102566299A Pending CN102320509A (en) | 2011-01-04 | 2011-09-01 | Safety elevator |
| CN2011102566208A Pending CN102431868A (en) | 2011-01-04 | 2011-09-01 | Hydraulic speed-limiting lift |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104624674A Pending CN102583120A (en) | 2011-01-04 | 2011-12-27 | Elevator with brake on elevator cab |
| CN2011205792507U Expired - Fee Related CN202481868U (en) | 2011-01-04 | 2011-12-27 | Elevator with brake in car |
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| Country | Link |
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| CN (6) | CN102070059A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320509A (en) * | 2011-01-04 | 2012-01-18 | 张向阳 | Safety elevator |
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-
2011
- 2011-01-04 CN CN2011100007280A patent/CN102070059A/en active Pending
- 2011-09-01 CN CN2011102566299A patent/CN102320509A/en active Pending
- 2011-09-01 CN CN2011102566208A patent/CN102431868A/en active Pending
- 2011-09-01 CN CN2011203258430U patent/CN202279599U/en not_active Expired - Fee Related
- 2011-12-27 CN CN2011104624674A patent/CN102583120A/en active Pending
- 2011-12-27 CN CN2011205792507U patent/CN202481868U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320509A (en) * | 2011-01-04 | 2012-01-18 | 张向阳 | Safety elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102583120A (en) | 2012-07-18 |
| CN102320509A (en) | 2012-01-18 |
| CN102070059A (en) | 2011-05-25 |
| CN202481868U (en) | 2012-10-10 |
| CN102431868A (en) | 2012-05-02 |
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