CN102774775A - Stable brake for elevator hoist rope - Google Patents
Stable brake for elevator hoist rope Download PDFInfo
- Publication number
- CN102774775A CN102774775A CN2012102765653A CN201210276565A CN102774775A CN 102774775 A CN102774775 A CN 102774775A CN 2012102765653 A CN2012102765653 A CN 2012102765653A CN 201210276565 A CN201210276565 A CN 201210276565A CN 102774775 A CN102774775 A CN 102774775A
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- clamping
- clamping surface
- hoist ropes
- indent
- brake
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Abstract
The invention relates to a stable brake for an elevator hoist rope. Two or more hoist ropes are available, are stretched longitudinally, are parallel to each other and are in linear arrangement, the brake comprises two parallel clamping boards, and a power device which is connected with the clamping boards and is used for pushing the two clamping boards to get close to each other; the stable brake is characterized in that the opposite sides of the two clamping boards are respectively a clamping surface, one clamping surface is concave along the direction vertical to the clamping board, and the other clamping surface is matched with the concave clamping surface in shape and is convex along the direction vertical to the clamping board. The stable brake adopts the convex clamping surface and the concave clamping surface that are matched, in the process from being contacted with the clamping board to being completely clamped and braked, the hoist rope is always restrained by the force applied by the concave arc clamping surface toward the center, thus avoiding the danger caused by the clamping board sliding from two sides, and compared with the traditional panel brake, the brake is more stable and safer.
Description
Technical field
The present invention relates to a kind of drg of elevator rope, relate in particular to a kind of parallel plate type drg of hoist ropes.
Background technology
The common end of hoist ropes is fixed on the elevator counterweight, and the other end is fixed in car, realizes the up-down of elevator through forward and reverse rotation of traction sheave.The multi-rope friction hoisting form is a kind of form that adopts usually, and it is big to have hoisting capacity, the advantage that degree of safety is high.Usually the used drg to hoist ropes is the form of the two parallel plates folder rope braking of employing; Because clamping surface is the plane, and the hoist ropes cross section is generally circular, when clamping piece is exerted pressure to the hoist ropes sidewall through clamping surface; Hoist ropes is easily to having no the both sides that stop to slide; Hinder normal the clamping, even hoist ropes skids off between two clamping pieces, influence elevator safety.
Summary of the invention
The present invention has overcome the deficiency of prior art, provides a kind of simple in structure, more stable, can effectively protect the stable type drg of the hoist ropes of elevator safety.
For achieving the above object; The technical scheme that the present invention adopts is: a kind of stable type drg of elevator rope, said hoist ropes are two or more, and longitudinal extension is parallel to each other and press straight-though arrangement; Said drg comprises two clamping pieces that are parallel to each other; And link to each other with clamping piece and promote two clamping pieces each other near engine installation, it is characterized in that: the opposite flank of said two clamping pieces is respectively clamping surface, a clamping surface is along perpendicular to clamping piece direction indent; Another clamping surface is matching with the clamping surface of said indent in shape, and the edge is perpendicular to clamping piece direction evagination.
In preferred embodiment of the present invention, the arcwall face that the clamping surface that further comprises said indent has identical indent along horizontal diverse location.
In preferred embodiment of the present invention, the lateral length that further comprises each clamping piece is greater than hoist ropes orientation single-piece width.
In preferred embodiment of the present invention, the radius of curvature that further comprises the clamping surface cross-sectional plane circular arc of said indent is 5-20 a times of single hoist ropes diameter.
In preferred embodiment of the present invention, comprise that further said engine installation is a cylinder.
The invention solves the defective that exists in the background technology; The stable type drg of elevator rope of the present invention adopts the machicolated form clamping surface that cooperatively interacts; Hoist ropes is from touch clamping piece to the process of complete clamped braking; All the time receive the constrained force that imploded arcs shape clamping surface applies, and avoid skidding off the danger of clamping piece,, safety more stable more than traditional flat drg from both sides to the center.The radius of curvature of suitable indent clamping surface cross section circular arc is set, and the length along the hoist ropes orientation that helps clamping surface can well cooperate many hoist ropes width, and radian can give hoist ropes actv. constrained force simultaneously.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 be under the preferred embodiments of the present invention off working state with the position view of hoist ropes;
Fig. 2 is that the preferred embodiments of the present invention are started working and rigidly connected the position view when touching hoist ropes;
Among the figure: 1, hoist ropes, 2, clamping piece, 21, clamping surface, 4, clamping piece, 41, clamping surface, 6, cylinder.
The specific embodiment
Combine accompanying drawing and embodiment that the present invention is done further detailed explanation now, these accompanying drawings are the scheme drawing of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Like Fig. 1, shown in 2; The stable type drg of a kind of elevator rope of the present invention; Totally 5 of said hoist ropes 1; Longitudinal extension is parallel to each other and press straight-though arrangement, and said drg comprises two clamping pieces that are parallel to each other 2,4, and link to each other with clamping piece 2,4 and promote two clamping pieces each other near engine installation.The opposite flank of said two clamping pieces is respectively clamping surface, and clamping surface 21 edges of clamping piece 2 are perpendicular to clamping piece 2 direction indents, and the clamping surface 41 of clamping piece 4 is matching with the clamping surface 21 of said indent in shape, and the edge is perpendicular to clamping piece 4 direction evaginations.The arcwall face that the clamping surface 21 of said indent has identical indent along horizontal diverse location.The radius of curvature of the clamping surface 21 cross-sectional plane circular arcs of indent is 5-20 a times of single hoist ropes 1 diameter.The lateral length of clamping piece 2,4 is all greater than hoist ropes 1 orientation single-piece width.Engine installation described in the present embodiment is a cylinder 6, links to each other with clamping piece 4, can promote clamping piece 4 perpendicular to the board plane direction near fixing clamping piece 2.Also can adopt other engine installations such as electromagnetism, motor.
As shown in Figure 1; During installation drg is fixed in a certain position on hoist ropes 1 sense of motion; Clamping piece 2,4 lays respectively at hoist ropes 1 both sides of straight-though arrangement; Clamping surface 21,41 is relative, and the plane parallel that each hoist ropes 1 is formed is in two clamping pieces, clamping piece 2,4 be parallel to hoist ropes 1 bearing of trend.Adjust the drg horizontal position, make the string of a musical instrument of clamping surface 21 cross-sectional plane circular arcs, the longitudinal projection that justifies the two with the cross section of hoist ropes 1 intersects.So, guarantee that hoist ropes 1 also can receive the protection that stops of clamping piece 21 both lateral sides when normal operation.As shown in Figure 2, the beginning glancing impact, cylinder 6 promotes clamping piece 4 vertically near clamping piece 2; The middle projection of clamping surface 41 contacts hoist ropes 1 at first, is peripheral then successively, the outermost part; When laterally two hoist ropes 1 of outermost also contacted with clamping surface 41,1 of clamping surface 21 and each hoist ropes also left the space, and cylinder 6 promotes clamping piece 4 to be continued to move; The whole hoist ropes 1 of clamping surface 41 are pushed clamping surface 21 to, and hoist ropes 1 receives the constrained force that arc-shaped concave is gathered to the centre, firmly is fixed between two clamping surfaces; Realize braking; The hoist ropes 1 of while both sides has received two clamping pieces that complement each other to form closed retaining wall to be stopped, is difficult to outwards skid off, fool proof.
Above foundation desirable embodiment of the present invention is enlightenment, and through above-mentioned description, the related personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification sheets, must confirm technical scope according to the claim scope.
Claims (5)
1. the stable type drg of an elevator rope; Said hoist ropes is two or more; Longitudinal extension is parallel to each other and press straight-though arrangement, and said drg comprises two clamping pieces that are parallel to each other, and link to each other with clamping piece and promote two clamping pieces each other near engine installation; It is characterized in that: the opposite flank of said two clamping pieces is respectively clamping surface; One clamping surface edge is perpendicular to clamping piece direction indent, and another clamping surface is matching with the clamping surface of said indent in shape, and the edge is perpendicular to clamping piece direction evagination.
2. the stable type drg of elevator rope according to claim 1 is characterized in that: the arcwall face that the clamping surface of said indent has identical indent along horizontal diverse location.
3. the stable type drg of elevator rope according to claim 2, it is characterized in that: the lateral length of each clamping piece is greater than hoist ropes orientation single-piece width.
4. the stable type drg of elevator rope according to claim 3 is characterized in that: the radius of curvature of the clamping surface cross-sectional plane circular arc of said indent be single hoist ropes diameter 5-20 doubly.
5. the stable type drg of elevator rope according to claim 4, it is characterized in that: said engine installation is a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210276565.3A CN102774775B (en) | 2012-08-06 | 2012-08-06 | Stable brake for elevator hoist rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210276565.3A CN102774775B (en) | 2012-08-06 | 2012-08-06 | Stable brake for elevator hoist rope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102774775A true CN102774775A (en) | 2012-11-14 |
| CN102774775B CN102774775B (en) | 2015-06-10 |
Family
ID=47119919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210276565.3A Expired - Fee Related CN102774775B (en) | 2012-08-06 | 2012-08-06 | Stable brake for elevator hoist rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102774775B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385172A (en) * | 2022-10-27 | 2022-11-25 | 徐州市工大三森科技有限公司 | Adjustable rope clamping mechanism for mining equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5101937A (en) * | 1991-06-03 | 1992-04-07 | Burrell Michael P | Self centering elevator cable safety brake |
| JP2005247472A (en) * | 2004-03-02 | 2005-09-15 | Mitsubishi Electric Building Techno Service Co Ltd | Upper gap ensuring braking device for elevator |
| JP2007176642A (en) * | 2005-12-27 | 2007-07-12 | Mitsubishi Electric Corp | Rope brake device of elevator |
| CN201209078Y (en) * | 2008-05-21 | 2009-03-18 | 中国矿业大学 | Antislipping device for friction lifter |
| CN201400495Y (en) * | 2009-05-07 | 2010-02-10 | 河北东方富达机械有限公司 | Rope gripper for elevator |
| WO2011062411A2 (en) * | 2009-11-17 | 2011-05-26 | Oh In-Soo | Rope braking device for an elevator |
| CN202296672U (en) * | 2011-09-28 | 2012-07-04 | 快意电梯有限公司 | A steel wire rope clamping type protection device preventing accidental movement of an elevator car |
| CN202766194U (en) * | 2012-08-06 | 2013-03-06 | 吴江信谊精密五金有限公司 | Stable brake for elevator hoist rope |
-
2012
- 2012-08-06 CN CN201210276565.3A patent/CN102774775B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5101937A (en) * | 1991-06-03 | 1992-04-07 | Burrell Michael P | Self centering elevator cable safety brake |
| JP2005247472A (en) * | 2004-03-02 | 2005-09-15 | Mitsubishi Electric Building Techno Service Co Ltd | Upper gap ensuring braking device for elevator |
| JP2007176642A (en) * | 2005-12-27 | 2007-07-12 | Mitsubishi Electric Corp | Rope brake device of elevator |
| CN201209078Y (en) * | 2008-05-21 | 2009-03-18 | 中国矿业大学 | Antislipping device for friction lifter |
| CN201400495Y (en) * | 2009-05-07 | 2010-02-10 | 河北东方富达机械有限公司 | Rope gripper for elevator |
| WO2011062411A2 (en) * | 2009-11-17 | 2011-05-26 | Oh In-Soo | Rope braking device for an elevator |
| CN202296672U (en) * | 2011-09-28 | 2012-07-04 | 快意电梯有限公司 | A steel wire rope clamping type protection device preventing accidental movement of an elevator car |
| CN202766194U (en) * | 2012-08-06 | 2013-03-06 | 吴江信谊精密五金有限公司 | Stable brake for elevator hoist rope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385172A (en) * | 2022-10-27 | 2022-11-25 | 徐州市工大三森科技有限公司 | Adjustable rope clamping mechanism for mining equipment |
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| Publication number | Publication date |
|---|---|
| CN102774775B (en) | 2015-06-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20170806 |