CN202656788U - Large load bearing automatic braking truckle used in elevator - Google Patents
Large load bearing automatic braking truckle used in elevator Download PDFInfo
- Publication number
- CN202656788U CN202656788U CN 201220303518 CN201220303518U CN202656788U CN 202656788 U CN202656788 U CN 202656788U CN 201220303518 CN201220303518 CN 201220303518 CN 201220303518 U CN201220303518 U CN 201220303518U CN 202656788 U CN202656788 U CN 202656788U
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- pair
- flat axle
- axle
- roller
- elevator
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Abstract
The utility model discloses a large load bearing automatic braking truckle used in an elevator. The large load bearing automatic braking truckle used in the elevator comprises a truckle bracket and a wheel axle. The wheel axle is a flat axle with a cross section provided with two planes which are cut from sides of the planes, the flat axle is provided with at least one pair of idler wheels, and inner sides of the idler wheels are provided with tooth grooves distributed along the circumferential direction. The flat axle between the pair of idler wheels is provided with a pair of brake arms in a sleeved mode, an axle hole of the flat axle is in a long strip shape, the axle hole of the flat axle is matched with the pair of brake arms, and a compression spring is arranged between the bottom of the axle hole and the flat axle. A transition axle barrel is arranged in the middle of inner sides of the pair of brake arms and is provided with a wheel piece with a width which is smaller than the groove width of a moving walk elevator in a sleeved mode. A stop rod is arranged at the lower end of the outer sides of the pair of brake arms and is matched with the tooth groove of the corresponding idler wheel in a meshed mode. The large load bearing automatic braking truckle used in the elevator is simple in structure, low in cost, capable of not generating relative sliding in the moving walk elevator, and capable of being widely applied to haulage equipment.
Description
Technical field
The utility model relates to carrier facility element, refers to particularly a kind of large carrying automatic braking trundle for elevator.
Background technology
At present, when the haulage equipment of the larger load of carrying when moving pavement lift moves, from the static friction force of castor tyre surface and moving pavement lift haulage equipment and moving pavement lift are together moved.But the component that is parallel to the moving pavement lift line of slope when gravity loses quiescence thereby haulage equipment can produce relative sliding with moving pavement lift and makes the haulage equipment get out of hand during greater than friction force.This thing happens for the frequent meeting of traditional castor, and the special castor that is equipped with is owing to the reasons such as complex structure, brake structure are optimized not, cost costliness can't be widely used.
Summary of the invention
The purpose of this utility model is exactly that a kind of simple in structure, with low cost, large carrying automatic braking trundle that is used for elevator of can not producing relative sliding on moving pavement lift will be provided.
For achieving the above object, the large carrying automatic braking trundle that is used for elevator that the utility model is designed, comprise trundle bracket, be fixed with wheel shaft on the described trundle bracket, described wheel shaft is the flat axle that cross-sectional plane has the section, both sides, on the described flat axle at least one pair of roller is installed, the inboard of described roller is provided with the teeth groove that distributes along circumferentially; Be set with a pair of brake control lever on the flat axle between the described pair roller, described a pair of brake control lever is elongated with the axis hole that flat axle matches, be provided with Compress Spring between described axis hole bottom and the flat axle, thereby under the effect of axis hole and Compress Spring, make a pair of brake control lever slide up and down and can not rotate relative to flat axle; The middle inside of described a pair of brake control lever is provided with the transition beam barrel, is set with width on the described transition beam barrel less than the wheel sheet of moving pavement lift well width; The lower end, the outside of described a pair of brake control lever is provided with stop bar, teeth groove engagement fit on described stop bar and the corresponding roller, when the wheel sheet fell into the moving pavement lift groove, stop bar also synchromesh formed the static friction pair thereby make between a pair roller and the moving pavement lift in teeth groove.
As preferred version, described roller is installed on the flat axle by roller bearing.
Further, the described sheet of taking turns is installed on the transition beam barrel by wheel sheet bearing.
Enter a ground again, be provided with wheel cap on the flat axle in the described pair roller outside, described wheel cap is captiveed joint with flat axle with trundle bracket by screw.
Further, be provided with the locating dowel pin that stops roller and brake control lever and the touching of wheel sheet on the described flat axle.
Further, the cross-sectional plane of described flat axle is discoid or flat oval shape, and its circular arc or elliptic arc are positioned at up and down orientation of flat axle, and the mounting hole shape of described trundle bracket is corresponding with it.
Principle of work of the present utility model is such: because wheel shaft is the flat axle that cross-sectional plane has the section, both sides, and the axis hole that brake control lever cooperates with flat axle is strip shape, so brake control lever can only slide up and down and can not rotate relative to flat axle.Because be set with width on the transition beam barrel of brake control lever middle inside less than the wheel sheet of moving pavement lift well width, and the wheel sheet is installed on the transition beam barrel by wheel sheet bearing, so can rotate at normal service condition lower whorl sheet.Owing to be provided with between axis hole bottom and the flat axle and can promote the Compress Spring that brake control lever slides up and down, and because the roller inboard is provided with the teeth groove that can be meshed with the stop bar of lower end, the brake control lever outside along circumferential distribution, so when castor moves on the moving pavement lift, brake control lever moves down under the effect of Compress Spring, this moment, brake control lever driven wheel sheet fell into the moving pavement lift groove, until the stop bar of brake control lever bottom is meshed with the teeth groove of roller, brake control lever is relative with roller fixing, this moment is because brake control lever can not be around flat axle rotation, roller is relative with trundle bracket fixing, so it is secondary that roller and moving pavement lift form static friction, under the friction force effect, the castor drive is moved equipment and is travelled forward with moving pavement lift.And when castor left moving pavement lift, the wheel sheet contacted with ground again, took turns under pressure sheet drive brake control lever and moved up, and the stop bar of lower end, the brake control lever outside separates with the roller teeth groove, and roller can freely rotate, and castor recovers normal function.
The utility model has the advantage of: simple in structure, easy to use, low cost of manufacture and can on moving pavement lift, not produce relative sliding and automatically remain static.
Description of drawings
Fig. 1 is a kind of integral structure scheme drawing of the large carrying automatic braking trundle for elevator;
Fig. 2 is the structural representation of a side of the close brake control lever of roller among Fig. 1;
Fig. 3 is the perspective view of brake control lever among Fig. 1;
Fig. 4 is the structural representation of flat axle cross-sectional plane among Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Referring to Fig. 1 to Fig. 3, the utility model is used for the large carrying automatic braking trundle of elevator, comprises trundle bracket 1, roller 2, Compress Spring 3, locating dowel pin 4, wheel shaft 5, wheel sheet 6, brake control lever 7, wheel cap 8, screw 9, roller bearing 10 and wheel sheet bearing 11.
Described trundle bracket 1 and at least one pair of roller 2 link together by wheel shaft 5, adopt the design of two rollers 2 can make with moving pavement lift to contact tyre surface large, so it is large than single-wheel that castor and moving pavement lift form static friction force, can realize the purpose of large carrying.Described wheel shaft 5 has the flat axle 5 in section, both sides for cross-sectional plane, and the inboard of described roller 2 is provided with the teeth groove 2.1 that distributes along circumferentially, in the present embodiment, rotates better in order to make roller 2, and roller 2 is installed on the flat axle 5 by roller bearing 10; Described wheel cap 8 is arranged on the flat axle 5 in a pair roller 2 outsides, and described wheel cap 8 is captiveed joint with flat axle 5 with trundle bracket 1 by screw 9; Referring to Fig. 4, the cross-sectional plane of described flat axle 5 is discoid or flat oval shape, and its circular arc or elliptic arc are positioned at flat axle about in the of 5 the orientation, and the mounting hole shape of described trundle bracket 1 is corresponding with it.Described brake control lever 7 is a pair of, all be set on the flat axle 5 between the pair roller 2, a pair of brake control lever 7 is provided with the axis hole 7.1 of the strip shape that matches with flat axle 5, described Compress Spring 3 is between axis hole 7.1 bottoms and flat axle 5, and 3 combineds action make brake control lever 7 slide up and down and can not rotate around flat axle 5 relative to flat axle 5 to described axis hole 7.1 with Compress Spring.The middle inside of described a pair of brake control lever 7 is provided with transition beam barrel 7.3, the described sheet 6 of taking turns is set on the transition beam barrel 7.3, the width of wheel sheet 6 is less than moving pavement lift groove (not shown) width, in the present embodiment, the described sheet 6 of taking turns is installed on the transition beam barrel 7.3 by wheel sheet bearing 11, and the described sheet bearing 11 of taking turns can make normal service condition lower whorl sheet 6 rotate more easily.The lower end, the outside of described a pair of brake control lever 7 is provided with stop bar 7.2, teeth groove 2.1 engagement fit on described stop bar 7.2 and the corresponding roller 2.
Be provided with the locating dowel pin 4 that stops roller 2 and brake control lever 7 and wheel sheet 6 to be touched on the described flat axle 5, can prevent roller 2 and brake control lever 7 too near and so that have influence on moving up and down of brake control lever 7 between roller 2 and the brake control lever 7 because friction force is excessive, in the present embodiment, described locating dowel pin 4 is elastic cylindrical pin.
Because the width of wheel sheet 6 is less than the groove width of moving pavement lift groove.Like this, when this castor moves on the moving pavement lift, brake control lever 7 moves down under the effect of Compress Spring 3, brake control lever 7 driven wheel sheets 6 fall into the moving pavement lift groove simultaneously, until the stop bar 7.2 of lower end, brake control lever 7 outside is meshed with the teeth groove 2.1 of roller 2, brake control lever 7 is relative fixing with roller 2, this moment is because brake control lever 7 can not be around flat axle 5 rotations, roller 2 is relative fixing with trundle bracket 1, thereby make and form the static friction pair between a pair roller 2 and the moving pavement lift, under the friction force effect, the drive of this castor is moved equipment and is travelled forward with the moving pavement lift (not shown).When this castor moves to when leaving moving pavement lift, wheel sheet 6 contacts with ground again, taking turns under pressure sheet 6 drive brake control levers 7 moves up, the stop bar 7.2 of lower end, brake control lever 7 outside separates with the teeth groove 2.1 of roller 2, roller 2 can freely rotate around flat axle 5, and castor recovers normal function.
Claims (7)
1. large carrying automatic braking trundle that is used for elevator, comprise trundle bracket (1), be fixed with wheel shaft (5) on the described trundle bracket (1), it is characterized in that: described wheel shaft (5) has the flat axle (5) in section, both sides for cross-sectional plane, at least one pair of roller (2) is installed on the described flat axle (5), and the inboard of described roller (2) is provided with the teeth groove (2.1) that distributes along circumferentially; Be set with a pair of brake control lever (7) on the flat axle (5) between the described pair roller (2), the axis hole (7.1) that described a pair of brake control lever (7) matches with flat axle (5) is elongated, be provided with Compress Spring (3) between described axis hole (7.1) bottom and the flat axle (5), thereby under the effect of axis hole (7.1) and Compress Spring (3), make a pair of brake control lever (7) slide up and down and can not rotate relative to flat axle (5); The middle inside of described a pair of brake control lever (7) is provided with transition beam barrel (7.3), is set with width on the described transition beam barrel (7.3) less than the wheel sheet (6) of moving pavement lift well width; The lower end, the outside of described a pair of brake control lever (7) is provided with stop bar (7.2), teeth groove (2.1) engagement fit on described stop bar (7.2) and the corresponding roller (2), when wheel sheet (6) falls into the moving pavement lift groove, stop bar (7.2) also synchromesh forms the static friction pair thereby make between a pair roller (2) and the moving pavement lift in teeth groove (2.1).
2. the large carrying automatic braking trundle for elevator according to claim 1, it is characterized in that: described roller (2) is installed on the flat axle (5) by roller bearing (10).
3. the large carrying automatic braking trundle for elevator according to claim 1 is characterized in that: the described sheet (6) of taking turns is installed on the transition beam barrel (7.3) by wheel sheet bearing (11).
4. according to claim 1 and 2 or 3 described large carrying automatic braking trundles for elevator, it is characterized in that: be provided with wheel cap (8) on the flat axle (5) in a described pair roller (2) outside, described wheel cap (8) is captiveed joint with flat axle (5) with trundle bracket (1) by screw (9).
5. it is characterized in that according to claim 1 and 2 or 3 described large carrying automatic braking trundles for elevator: be provided with the locating dowel pin (4) that stops roller (2) and brake control lever (7) and wheel sheet (6) to be touched on the described flat axle (5).
6. the large carrying automatic braking trundle for elevator according to claim 4 is characterized in that: be provided with the locating dowel pin (4) that stops roller (2) and brake control lever (7) and wheel sheet (6) to be touched on the described flat axle (5).
7. according to claim 1 and 2 or 3 described large carrying automatic braking trundles for elevator, it is characterized in that: the cross-sectional plane of described flat axle (5) is discoid or flat oval shape, its circular arc or elliptic arc are positioned at up and down orientation of flat axle (5), and the mounting hole shape of described trundle bracket (1) is corresponding with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303518 CN202656788U (en) | 2012-06-27 | 2012-06-27 | Large load bearing automatic braking truckle used in elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303518 CN202656788U (en) | 2012-06-27 | 2012-06-27 | Large load bearing automatic braking truckle used in elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202656788U true CN202656788U (en) | 2013-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220303518 Expired - Fee Related CN202656788U (en) | 2012-06-27 | 2012-06-27 | Large load bearing automatic braking truckle used in elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202656788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252965A (en) * | 2015-10-27 | 2016-01-20 | 西安西航集团航空航天地面设备有限公司 | Rotary rolling wheel for engine transport vehicle |
-
2012
- 2012-06-27 CN CN 201220303518 patent/CN202656788U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252965A (en) * | 2015-10-27 | 2016-01-20 | 西安西航集团航空航天地面设备有限公司 | Rotary rolling wheel for engine transport vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20170627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |