CN102942090A - Safety tongs - Google Patents
Safety tongs Download PDFInfo
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- CN102942090A CN102942090A CN2012105106709A CN201210510670A CN102942090A CN 102942090 A CN102942090 A CN 102942090A CN 2012105106709 A CN2012105106709 A CN 2012105106709A CN 201210510670 A CN201210510670 A CN 201210510670A CN 102942090 A CN102942090 A CN 102942090A
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- safety tongs
- right safety
- slipper
- voussoir
- positioning plate
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Abstract
The invention discloses a pair of safety tongs. The pair of safety tongs is characterized by comprising a left safety tongs piece and a right safety tongs piece, which are same in structure and are symmetrical with each other, wherein the right safety tongs piece comprises a right safety tongs piece wedge, a right safety tongs piece brake plate, a safety tongs brake wheel connected to the right safety tongs piece brake plate, a right safety tongs piece brake limiting plate movably connected with the right safety tongs piece brake plate, two washers between the right safety tongs piece brake limiting plate and the right safety tongs piece wedge, and two fixing bolts for fixing the right safety tongs piece brake limiting plate onto the right safety tongs piece wedge. The pair of safety tongs has the advantages of novel and simple structure, small size, small occupied space and convenience for installation, and can ensure the safety of an elevator.
Description
Technical field
The present invention relates to a kind of safety device, be specifically related to a kind of safety tongs for home lift.
Background technology
At present, in order to save the space, the maximization that the implementation space utilizes, home lift uses the Backpack type structure mostly, and structure is very compact.In limited elevator installing space, not only need to place counterweight, also need to install the safety component of many elevators, such as safety tongs.But, present employed safety tongs complex structure, volume is relatively huge, and is very inconvenient for the installation of home lift, even need to take limited hoistway space.
Summary of the invention
The invention provides a kind of safety tongs, it has novel structure, and is simple in structure, and volume is small and exquisite, and it is little to take up room, easy for installation, can provide safety control for elevator.
The present invention realizes by the following technical solutions:
A kind of safety tongs is characterized in, described safety tongs is made as a pair of, comprises left safety tongs and right safety tongs; Described left safety tongs is identical with right safety tongs structure, and symmetrical each other; Described right safety tongs comprises: right safety tongs voussoir, right safety tongs slipper, be connected to safety tongs brake wheel on the described right safety tongs slipper, and the right safety tongs braking positioning plate that is flexibly connected of described right safety tongs slipper, be arranged on two packing rings between described right safety tongs braking positioning plate and the right safety tongs voussoir, described right safety tongs is braked positioning plate be fixed on two bolt of rear end plates on the right safety tongs voussoir.
Above-mentioned safety tongs is characterized in, is provided with a groove in the described right safety tongs voussoir, and described groove is made as the base less than the right-angled trapezium of bottom.
Above-mentioned safety tongs is characterized in, described right safety tongs slipper comprises the vertical joint pin that runs through connecting panel with of a connecting panel, and waist hole and the circular hole of perforation is set on the described connecting panel.
Above-mentioned safety tongs is characterized in, described safety tongs brake wheel is made as an end diameter greater than the cylinder of other end diameter; The end outer surface that diameter is large is provided with annular knurl, and the end that this diameter is large is placed in the groove of right safety tongs voussoir; Be nested with bearing on the little end outer wall of diameter and be connected with right safety tongs slipper.
Above-mentioned safety tongs is characterized in, described right safety tongs braking positioning plate comprises a spacing connecting panel and a limited post that is vertically set on the spacing connecting panel; The diameter of described limited post is less than the width in the waist hole on the right safety tongs slipper, and limited post passes the waist hole is flexibly connected right safety tongs braking positioning plate and right safety tongs slipper.
Above-mentioned safety tongs is characterized in, is provided with a unfilled corner around the position corresponding to the joint pin of right safety tongs slipper on the described spacing connecting panel.
Above-mentioned safety tongs is characterized in, the thickness of described packing ring is greater than the thickness of the connecting panel of right safety tongs slipper.
Above-mentioned safety tongs, be characterized in, described right safety tongs braking positioning plate is fixed on by bolt of rear end plate by the oblique waist of the groove of right-angled trapezium on the right safety tongs voussoir, and described packing ring is arranged between right safety tongs braking positioning plate and the right safety tongs voussoir, and is nested with on the outer wall of bolt of rear end plate.
Compared with prior art, the present invention has following beneficial effect:
Safety tongs of the present invention is because simple and compact for structure, and volume is small and exquisite, and it is little to take up room, can be installed in the middle of the rail brackets of elevator, utilized greatly the space, with the installation site of other elevator components without any conflicting, be applicable to compact small and exquisite home lift or villa elevator.
Safety tongs of the present invention is owing to only need to use bolt that it is fixed on the portal frame of elevator, and safety tongs slipper that again will be wherein is connected with the hollow connection pipe on the bottom cross bracing connecting rod and gets final product, so installs simple and convenient.
The present invention can provide the safety control that satisfies existing home lift and villa elevator demand for security, and is safe.
Description of drawings
Fig. 1 is the integral structure scheme drawing of a kind of safety tongs of the present invention;
Fig. 2 is the parts explosion of the right safety tongs of a kind of safety tongs of the present invention;
Fig. 3 is the planar structure scheme drawing of a kind of safety tongs of the present invention;
Fig. 4 is the scheme drawing of Application Example of the left safety tongs of a kind of safety tongs of the present invention;
Fig. 5 is the scheme drawing of Application Example of the right safety tongs of a kind of safety tongs of the present invention;
Fig. 6 is the scheme drawing of the Application Example of a kind of safety tongs of the present invention;
Fig. 6 A is the partial enlarged drawing of a-quadrant of the Application Example of a kind of safety tongs of the present invention;
Fig. 7 is the back view of the Application Example of a kind of safety tongs of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, by describing a better specific embodiment in detail, the present invention is further elaborated.
Consult shown in the accompanying drawing 1, a kind of safety tongs of the present invention is made as a pair of, comprises left safety tongs 1 and right safety tongs 2, and left safety tongs 1 is identical with right safety tongs 2 structures, and symmetrical each other.Consult shown in the accompanying drawing 2, right safety tongs 2 comprises: right safety tongs voussoir 21, right safety tongs slipper 22, be connected to safety tongs brake wheel 23 on the right safety tongs slipper 22, and the right safety tongs braking positioning plate 24 that is flexibly connected of right safety tongs slipper 22, be arranged on two packing rings 25 between right safety tongs braking positioning plate 24 and the right safety tongs voussoir 21, right safety tongs is braked positioning plate 24 be fixed on two bolt of rear end plates 26 on the right safety tongs voussoir 21.
Cooperate and to consult shown in the accompanying drawing 3, left safety tongs 1 comprises: left safety tongs voussoir 11, left safety tongs slipper 22, be connected to left safety tongs brake wheel 13 on the left safety tongs slipper 12, the left safety tongs braking positioning plate 14 that is flexibly connected with left safety tongs slipper 12, be arranged on two packing rings 15 between left safety tongs braking positioning plate 14 and the left safety tongs voussoir 11, left safety tongs is braked positioning plate 14 be fixed on two bolt of rear end plates 16 on the left safety tongs voussoir 11.
Be provided with a groove 111 in the left safety tongs voussoir 11, this groove 111 is made as the base less than the right-angled trapezium of bottom.Groove 111 both sides in right-angled trapezium on the left safety tongs voussoir also arrange respectively connecting bore, connecting bore is tapped through hole, tiltedly the other connecting bore of waist is used for the miscellaneous part of safety tongs is installed to the front of voussoir, the other connecting bore of the other and oblique waist of straight waist is used for safety tongs is installed to the elevator portal frame, and 4 holes that bolt passes on the portal frame are connected with the voussoir back side.Left safety tongs voussoir 11 is safety component, in the present embodiment, and No. 45 steel of the material selection of left safety tongs voussoir 11.
Left safety tongs slipper 12 is arranged between left safety tongs braking positioning plate 14 and the left safety tongs voussoir 11, is movable part.Left safety tongs slipper 12 comprises the vertical joint pin 122 that runs through connecting panel 121 with of a connecting panel 121, and waist hole 123 and the circular hole 124 of perforation is set on the connecting panel 121.Left safety tongs slipper 12 is movable part, is flexibly connected with left safety tongs braking positioning plate 14.Left safety tongs slipper 12 is stressed member, in the present embodiment, and the material selection corrosion-resistant steel of left safety tongs slipper 12.
Safety tongs brake wheel 13 is made as an end diameter greater than the cylinder of other end diameter, and the outer surface of the end 131 that diameter is large is provided with annular knurl, and to increase its skin friction force, the end 131 that this diameter is large is placed in the groove 111 of left safety tongs voussoir 11; Be nested with bearing (not marking in the accompanying drawing) on a little end 132 outer walls of diameter and be connected with left safety tongs slipper 12.Safety tongs brake wheel 13 is with left safety tongs slipper 12 motions.Safety tongs brake wheel 13 is safety component, in the present embodiment, and No. 45 steel of the material selection of safety tongs brake wheel 13.When left safety tongs 1 action; safety tongs brake wheel 13 is along with left safety tongs slipper 12 moves together; cage guide in the straight middle surface of left safety tongs voussoir 11 is clamped the groove 111 that is installed in left safety tongs voussoir 11; make the car stop motion of elevator; thereby play the safety guard-safeguard effect, for elevator provides safety control.
Left safety tongs braking positioning plate 14 comprises a spacing connecting panel 141 and a limited post 142 that is vertically set on the spacing connecting panel 141, the diameter of limited post 142 is less than the width in the waist hole 123 on the left safety tongs slipper 12, so that waist hole 123 can be freely movable round limited post 142, limited post 142 passes waist hole 123 is flexibly connected left safety tongs braking positioning plate 14 and left safety tongs slipper 12.Also be provided with two connecting bores (not marking in the accompanying drawing) on the spacing connecting panel 141.Be provided with a unfilled corner around the position corresponding to the joint pin 122 of left safety tongs slipper 12 on the spacing connecting panel 141, this unfilled corner size can arrange according to size and the stopping distance of safety tongs.Left safety tongs braking positioning plate 14 plays the effect of left safety tongs slipper 12 action radius of restriction, spacing connecting panel 141 is clamped left safety tongs slipper 12 with left safety tongs voussoir 11, limited post 142 passes waist hole 123 simultaneously, action radius by the left safety tongs slipper 12 of limited post 142 common restrictions on the waist hole 123 on the left safety tongs slipper 12, the left safety tongs braking positioning plate 14 makes it movable in the scope of setting.Left safety tongs braking positioning plate 14 is stressed member, and in the present embodiment, the shape of left safety tongs braking positioning plate 14 is made as crescent, its material selection corrosion-resistant steel.
Two packing rings 15 are arranged between left safety tongs braking positioning plate 14 and the left safety tongs voussoir 11, its thickness is slightly larger than the thickness of the connecting panel 121 of left safety tongs slipper 12, thereby has guaranteed that the left safety tongs slipper 12 that is arranged between left safety tongs braking positioning plate 14 and the left safety tongs voussoir 11 can move flexibly.Two packing rings 15 also play the effect that limits left safety tongs slipper 12 up and down scopes simultaneously.Packing ring 15 is stressed member, in the present embodiment, and the material selection corrosion-resistant steel of packing ring 15.
Left safety tongs braking positioning plate 14 is fixed on by bolt of rear end plate 16 by the oblique waist of the groove 111 of right-angled trapezium on the left safety tongs voussoir 11, and packing ring 15 is arranged between left safety tongs positioning plate 14 and the left safety tongs voussoir 11, and is nested with on the outer wall of bolt of rear end plate 16.Bolt of rear end plate 16 is so that left safety tongs is braked positioning plate 14, packing ring 15 closely couples together with left safety tongs voussoir 11, play positioning action, and left safety tongs braking positioning plate 14 is flexibly connected by the limited post 142 on it and left safety tongs slipper 12, left safety tongs slipper 12 and safety tongs brake wheel 13 are connected by bearing, thereby under the effect of bolt of rear end plate 16, whole left safety tongs connects as a whole.
Be provided with a groove 211 in the right safety tongs voussoir 21, this groove 211 is made as the base less than the right-angled trapezium of bottom.Groove 211 both sides in right-angled trapezium on the right safety tongs voussoir also arrange respectively connecting bore, connecting bore is tapped through hole, tiltedly the other connecting bore of waist is used for the miscellaneous part of safety tongs is installed to the front of voussoir, the other connecting bore of the other and oblique waist of straight waist is used for safety tongs is installed to the elevator portal frame, and 4 holes that bolt passes on the portal frame are connected with the voussoir back side.Left safety tongs voussoir is safety component, in the present embodiment, and No. 45 steel of the material selection of left safety tongs voussoir.
Right safety tongs slipper 22 is arranged between right safety tongs braking positioning plate 24 and the right safety tongs voussoir 21, is movable part.Right safety tongs slipper 22 comprises the vertical joint pin 222 that runs through connecting panel 221 with of a connecting panel 221, and waist hole 223 and the circular hole 224 of perforation is set on the connecting panel 221.Right safety tongs slipper 22 is movable part, is flexibly connected with right safety tongs braking positioning plate 24.Right safety tongs slipper is stressed member, in the present embodiment, and the material selection corrosion-resistant steel of right safety tongs slipper.
Safety tongs brake wheel 23 is made as an end diameter greater than the cylinder of other end diameter, and the outer surface of the end 231 that diameter is large is provided with annular knurl, and to increase its skin friction force, the end 231 that this diameter is large is placed in the groove 211 of right safety tongs voussoir 21; Be nested with bearing (not marking in the accompanying drawing) on a little end 232 outer walls of diameter and be connected with right safety tongs slipper 22.Safety tongs brake wheel 23 is with right safety tongs slipper 22 motions.Safety tongs brake wheel 23 is safety component, in the present embodiment, and No. 45 steel of the material selection of safety tongs brake wheel 23.When right safety tongs 2 action; safety tongs brake wheel 23 is along with right safety tongs slipper 22 moves together; cage guide in the straight middle surface of right safety tongs voussoir 21 is clamped the groove 211 that is installed in right safety tongs voussoir 21; make the car stop motion of elevator; thereby play the safety guard-safeguard effect, for elevator provides safety control.
Right safety tongs braking positioning plate 24 comprises a spacing connecting panel 241 and a limited post 242 that is vertically set on the spacing connecting panel 241, the diameter of limited post 242 is less than the width in the waist hole 223 on the right safety tongs slipper 22, so that waist hole 223 can be freely movable round limited post 242, limited post 242 passes waist hole 223 is flexibly connected right safety tongs braking positioning plate 24 and right safety tongs slipper 22.Also be provided with two connecting bores 243 on the spacing connecting panel 241.Be provided with a unfilled corner around the position corresponding to the joint pin 222 of right safety tongs slipper 22 on the spacing connecting panel 241, this unfilled corner size can arrange according to size and the stopping distance of safety tongs.Right safety tongs braking positioning plate 24 plays the effect of right safety tongs slipper 22 action radius of restriction, spacing connecting panel 241 is clamped right safety tongs slipper 22 with right safety tongs voussoir 21, limited post 242 passes waist hole 223 simultaneously, action radius by the right safety tongs slipper 22 of limited post 242 common restrictions on the waist hole 223 on the right safety tongs slipper 22, the right safety tongs braking positioning plate 24 makes it movable in the scope of setting.Right safety tongs braking positioning plate 24 is stressed member, and in the present embodiment, the shape of right safety tongs braking positioning plate 24 is made as crescent, its material selection corrosion-resistant steel.
Two packing rings 25 are arranged between right safety tongs braking positioning plate 24 and the right safety tongs voussoir 21, its thickness is slightly larger than the thickness of the connecting panel 221 of right safety tongs slipper 22, thereby has guaranteed that the right safety tongs slipper 22 that is arranged between right safety tongs braking positioning plate 24 and the right safety tongs voussoir 21 can move flexibly.Two packing rings 25 also play the effect that limits right safety tongs slipper 22 up and down scopes simultaneously.Packing ring 25 is stressed member, in the present embodiment, and the material selection corrosion-resistant steel of packing ring 25.
Right safety tongs braking positioning plate 24 is fixed on by bolt of rear end plate 26 by the oblique waist of the groove 211 of right-angled trapezium on the right safety tongs voussoir 21, and packing ring 25 is arranged between right safety tongs positioning plate 24 and the right safety tongs voussoir 21, and is nested with on the outer wall of bolt of rear end plate 26.Bolt of rear end plate 26 is so that right safety tongs is braked positioning plate 24, packing ring 25 closely couples together with right safety tongs voussoir 21, play positioning action, and right safety tongs braking positioning plate 24 is flexibly connected by the limited post 242 on it and right safety tongs slipper 22, right safety tongs slipper 22 and safety tongs brake wheel 23 are connected by bearing, thereby under the effect of bolt of rear end plate 26, whole left safety tongs connects as a whole.
Consult shown in accompanying drawing 4 and the accompanying drawing 5, left safety tongs 1 and right safety tongs 2 are installed on the left portal frame 31 and right portal frame 32 of elevator by bolt respectively.Consult accompanying drawing 6, shown in accompanying drawing 6A and the accompanying drawing 7, a bottom cross bracing connecting rod 34 is installed in bottom cross bracing 33 between left portal frame 31 and right portal frame 32, the centre of this bottom cross bracing connecting rod 34 is connected with fag end 35, simultaneously, one end of bottom cross bracing connecting rod 34 is connected with the velocity limiter (not marking in the accompanying drawing) of elevator, the two ends, the left and right sides of bottom cross bracing connecting rod 34 respectively are provided with a hollow connection pipe 341, these two hollow connection pipes 341 are enclosed within respectively on the joint pin 222 of the joint pin 122 of left safety tongs slipper 12 and right safety tongs slipper 22.
The mode of operation of safety tongs is divided into two kinds of running state and braking modes.
When safety tongs is in running state and is the normal operating condition of elevator, this moment, bottom cross bracing 33 was not moved, bottom cross bracing connecting rod 34 is held respectively joint pin 122 on the left safety tongs slipper 12 and the joint pin 222 on the right safety tongs slipper 22 by two connection pipes 341, drive simultaneously the safety tongs brake wheel 13 that is connected with left safety tongs slipper 12 and the safety tongs brake wheel 23 that is connected with right safety tongs slipper 22, make safety tongs brake wheel 13 and 23 lay respectively at groove 111 and the 211 interior close tiltedly lower positions of waist one side of right-angled trapezium in the safety tongs voussoir, make in the right-angled trapezium groove and to leave enough spaces near straight waist one side and pass through to the guide rail of elevator, and safety tongs brake wheel 13,23 and the guide rail of elevator between leave the gap.
Braking mode is in two kinds of situation: the first situation; behind the steel rope or chain breakage of elevator; the car tenesmus of elevator; fag end 35 touches bottom cross bracing connecting rod 34 after losing pulling force; bottom cross bracing connecting rod 34 promotes respectively by two connection pipes 341 and left safety tongs slipper 12 on joint pin 122 and the joint pin 222 on the right safety tongs slipper 22; thereby promote simultaneously the safety tongs brake wheel 13 that is connected with left safety tongs slipper 12 and the safety tongs brake wheel 23 that is connected with right safety tongs slipper 22; so that safety tongs brake wheel 13 and 23 is respectively at right-angled trapezium groove 111 and the 211 interior rapid upward movements of safety tongs voussoir; safety tongs brake wheel 13; 23 clamp respectively the guide rail of elevator with the vertical surface of right-angled trapezium groove; stop car to continue tenesmus, play the effect of safety guard-safeguard.The second situation, when the speed of elevator surpassed the maximum speed of velocity limiter permission, velocity limiter sent action, promoted bottom cross bracing connecting rod 34, and its principle of work is identical with the first situation.
Prove by experiment, safety tongs of the present invention is when command speed is less than or equal to 0.63m/s, can bear load-carrying 1200kg, when command speed more hour, can also bear larger load-carrying, and the national standard command speed of present home lift or villa elevator is for being not more than 0.4m/s, the load-carrying routine of home lift is about 450kg, add car and the framing member of elevator, total weight generally can not surpass 900kg, therefore safety tongs of the present invention can provide the safety control that satisfies home lift and villa elevator demand, and safety performance is high.
In sum, safety tongs of the present invention is because simple and compact for structure, volume is small and exquisite, it is little to take up room, can be installed in the middle of the rail brackets of elevator, utilized greatly the space, with the installation site of other elevator components without any conflicting, be applicable to compact small and exquisite home lift or villa elevator; The present invention is owing to only need to use bolt that it is fixed on the portal frame of elevator, and safety tongs slipper that again will be wherein is connected with the hollow connection pipe on the bottom cross bracing connecting rod and gets final product, so installs simple and convenient; The present invention can provide the safety control that satisfies existing home lift and villa elevator demand for security, and is safe.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (8)
1. a safety tongs is characterized in that, described safety tongs is made as a pair of, comprises left safety tongs (1) and right safety tongs (2); Described left safety tongs (1) is identical with right safety tongs (2) structure, and symmetrical each other; Described right safety tongs (2) comprising: right safety tongs voussoir (21), right safety tongs slipper (22), be connected to the safety tongs brake wheel (23) on the described right safety tongs slipper (22), brake positioning plate (24) with the right safety tongs that described right safety tongs slipper (22) is flexibly connected, be arranged on two packing rings (25) between described right safety tongs braking positioning plate (24) and the right safety tongs voussoir (21), described right safety tongs braking positioning plate (24) is fixed on two bolt of rear end plates (26) on the right safety tongs voussoir (21).
2. safety tongs as claimed in claim 1 is characterized in that, is provided with a groove (211) in the described right safety tongs voussoir (21), and described groove (211) is made as the base less than the right-angled trapezium of bottom.
3. safety tongs as claimed in claim 1, it is characterized in that, described right safety tongs slipper (22) comprises the vertical joint pin (222) that runs through connecting panel (221) with of a connecting panel (221), and waist hole (223) and the circular hole (224) of perforation is set on the described connecting panel (221).
4. safety tongs as claimed in claim 2 is characterized in that, described safety tongs brake wheel (23) is made as an end diameter greater than the cylinder of other end diameter; An end (231) outer surface that diameter is large is provided with annular knurl, and the end (231) that this diameter is large is placed in the groove (211) of right safety tongs voussoir (21); Be nested with bearing on a little end (232) outer wall of diameter and be connected with right safety tongs slipper (22).
5. safety tongs as claimed in claim 3 is characterized in that, described right safety tongs braking positioning plate (24) comprises a spacing connecting panel (241) and a limited post (242) that is vertically set on the spacing connecting panel (241); The diameter of described limited post (242) is less than the width in the waist hole (223) on the right safety tongs slipper (22), and limited post (242) passes waist hole (223) is flexibly connected right safety tongs braking positioning plate (24) and right safety tongs slipper (22).
6. safety tongs as claimed in claim 5 is characterized in that, the position that described spacing connecting panel (241) is gone up corresponding to the joint pin (222) of right safety tongs slipper (22) is provided with a unfilled corner on every side.
7. safety tongs as claimed in claim 3 is characterized in that, the thickness of described packing ring (25) is greater than the thickness of the connecting panel (221) of right safety tongs slipper (22).
8. safety tongs as claimed in claim 2, it is characterized in that, described right safety tongs braking positioning plate (24) is fixed on by the oblique waist of the groove (211) of right-angled trapezium on the right safety tongs voussoir (21) by bolt of rear end plate (26), described packing ring (25) is arranged between right safety tongs braking positioning plate (24) and the right safety tongs voussoir (21), and is nested with on the outer wall of bolt of rear end plate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105106709A CN102942090A (en) | 2012-12-04 | 2012-12-04 | Safety tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105106709A CN102942090A (en) | 2012-12-04 | 2012-12-04 | Safety tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102942090A true CN102942090A (en) | 2013-02-27 |
Family
ID=47725114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105106709A Pending CN102942090A (en) | 2012-12-04 | 2012-12-04 | Safety tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102942090A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592608A (en) * | 2018-12-27 | 2019-04-09 | 湖北科德智能装备有限公司 | A kind of safety tongs and loading platform |
| CN114955773A (en) * | 2022-06-23 | 2022-08-30 | 日立楼宇技术（广州）有限公司 | Debugging equipment and debugging method for elevator progressive safety gear lifting mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0562931A1 (en) * | 1992-03-26 | 1993-09-29 | Dominique Prudhomme | Emergency braking device or safety catch for an elevator cabin with integrated damping means |
| CN2537691Y (en) * | 2002-04-29 | 2003-02-26 | 河北东方机械厂 | Two-way instantaneous lift brake safety clamp |
| CN1491879A (en) * | 2002-09-23 | 2004-04-28 | �����ذ¹ɷݹ�˾ | Safety braker of lift |
| CN201280369Y (en) * | 2008-08-21 | 2009-07-29 | 许文环 | Brake of elevator |
-
2012
- 2012-12-04 CN CN2012105106709A patent/CN102942090A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0562931A1 (en) * | 1992-03-26 | 1993-09-29 | Dominique Prudhomme | Emergency braking device or safety catch for an elevator cabin with integrated damping means |
| CN2537691Y (en) * | 2002-04-29 | 2003-02-26 | 河北东方机械厂 | Two-way instantaneous lift brake safety clamp |
| CN1491879A (en) * | 2002-09-23 | 2004-04-28 | �����ذ¹ɷݹ�˾ | Safety braker of lift |
| CN201280369Y (en) * | 2008-08-21 | 2009-07-29 | 许文环 | Brake of elevator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592608A (en) * | 2018-12-27 | 2019-04-09 | 湖北科德智能装备有限公司 | A kind of safety tongs and loading platform |
| CN109592608B (en) * | 2018-12-27 | 2023-09-26 | 湖北科德智能装备有限公司 | Cargo carrying platform |
| CN114955773A (en) * | 2022-06-23 | 2022-08-30 | 日立楼宇技术（广州）有限公司 | Debugging equipment and debugging method for elevator progressive safety gear lifting mechanism |
| CN114955773B (en) * | 2022-06-23 | 2023-05-26 | 日立楼宇技术（广州）有限公司 | Debugging equipment and debugging method for progressive safety tongs lifting mechanism of elevator |
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Application publication date: 20130227 |