CN203237971U - Lifting device emergency braking device - Google Patents
Lifting device emergency braking device Download PDFInfo
- Publication number
- CN203237971U CN203237971U CN 201320268928 CN201320268928U CN203237971U CN 203237971 U CN203237971 U CN 203237971U CN 201320268928 CN201320268928 CN 201320268928 CN 201320268928 U CN201320268928 U CN 201320268928U CN 203237971 U CN203237971 U CN 203237971U
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- axis hole
- axle
- crank
- attaching parts
- spring
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- Expired - Fee Related
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Abstract
The utility model discloses a lifting device emergency braking device which comprises a lifting lug shaft, a spring, a linkage base, link rods, cranks, first shafts, second shafts, third shafts, wedge-shaped braking blocks, supports and supporting shafts, wherein the linkage base is provided with two supporting lugs, a braking face is arranged on one side of each wedge-shaped braking block, a dovetail groove is formed in the other side of each wedge-shaped braking block, and a wedge face matched with each dovetail groove is arranged on each support. The lifting device emergency braking device is fixedly connected to a lifting device, the lifting device is lifted by a steel wire rope through a lifting frame, the spring is completely compressed by the lug shaft through the gravity of the lifting device, at the moment, gaps are reserved between the wedge-shaped braking blocks and guide rails, and the lifting device can freely operate in an up-and-down mode. When the steel wire rope is broken, the elastic force generated by releasing of the arranged spring enables the wedge-shaped braking blocks to be tightly attached to the guide rails of the lifting device through the transmission of the linkage base, the link rods and the cranks, and the emergency braking aim is achieved. The lifting device emergency braking device is simple in structure and reliable in use and achieves the safety aim of use of the lifting device.
Description
Technical field
The utility model relates to the jacking equipment brake equipment that uses in the fields such as metallurgy, machinery, building, is specially a kind of jacking equipment emergency braking apparatus that steelmaking converter oxygen blast jacking equipment is used.
Background technology
In the pneumatic steelmaking production process, liquid pig iron needs to use the rope traction jacking equipment along the guide rail up-and-down movement from top after pouring into and adding solvent in the converter, the aerobic rifle is installed on the jacking equipment is blown into highly purified high pressure oxygen in converter.Because this jacking equipment do not design emergency braking apparatus, have following shortcoming: if wire cable rupture, the cooling water expansion tank of oxygen gun sprayer and cooling oxygen rifle will follow that jacking equipment falls in the converter together and explosion caused, exist great potential safety hazard.
Summary of the invention
The purpose of this utility model is to provide jacking equipment emergency braking apparatus a kind of simple in structure, easy to install in order to overcome above-mentioned deficiency.
The utility model comprises shackle shaft, spring, is provided with the coupling seat of two journal stirrups, link rod, crank, the first axle, the second axle, the 3rd axle, a side are provided with wedge shape slipper, the bearing that is provided with the wedge surface that matches with described dovetail furrow, the pivot shaft that the brake surface opposite side is provided with dovetail furrow; Described spring housing is loaded on shackle shaft one end, described shackle shaft one end is captiveed joint with described coupling seat one end, described connecting seating is loaded on the outside of spring, an end butt of described coupling seat one end and described spring, and the length a of described spring is greater than the height h of coupling seat; Described two journal stirrups are respectively equipped with the journal stirrup axis hole and are located at axisymmetricly the coupling seat both sides, one end, middle part and the other end of described link rod is respectively equipped with the first axis hole, the second axis hole and the Triaxial hole that matches with the first axle, the second axle and the 3rd axle, be respectively equipped with crank the first axis hole and crank the second axis hole that match with the first axle and pivot shaft on the described crank, described wedge shape slipper is provided with the slipper axis hole that matches with pivot shaft, angle between described dovetail furrow and brake surface is acute angle, and described bearing is provided with the structure of captiveing joint with jacking equipment; Described pivot shaft is captiveed joint with crank with attaching parts by crank the second axis hole, is flexibly connected with attaching parts and wedge shape slipper by the slipper axis hole; Described the first axle is flexibly connected with attaching parts and crank by crank the first axis hole, captives joint with link rod with attaching parts by the first axis hole; Described the second axle is flexibly connected with attaching parts and link rod by the second axis hole, captives joint with jacking equipment with attaching parts by the second axis hole; Described the 3rd axle is flexibly connected with attaching parts and journal stirrup by Triaxial hole, captives joint with link rod with attaching parts by Triaxial hole.
Described structure of captiveing joint with jacking equipment is the bearing cushion block that is provided with two cushion block through holes, and the bearing cushion block is captiveed joint with the top board of jacking equipment with attaching parts by two cushion block through holes; The other end of described top board butt spring; The described second axle other end is captiveed joint with the gusset of jacking equipment with attaching parts by the second axis hole.
Described coupling seat is cylindrical shape, and described coupling seat one end is provided with bottom, an end butt of the inside face of described bottom and described spring.
The utility model is fixedly connected on the jacking equipment, and steel rope is sling jacking equipment by suspension bracket, and shackle shaft compresses spring fully by the jacking equipment self gravitation, and leave gap between wedge shape slipper and guide rail this moment, and jacking equipment can freely move up and down; When wire cable rupture, the elastic force that the set spring of the utility model flicks generation makes the wedge shape slipper hold the guide rail of jacking equipment tightly by the transmission of coupling seat, link rod, crank, reaches the purpose of emergency braking.This jacking equipment emergency braking apparatus is simple in structure, use is reliable, has solved the safety issue that jacking equipment uses.
Description of drawings
Fig. 1 is that the utility model structure is scheme of installation;
Fig. 2 is that the B of Fig. 1 is to view;
Fig. 3 is that the C of Fig. 1 is to view;
Fig. 4 is the A-A cross section view of Fig. 1;
The utility model used view when Fig. 5 was wire cable rupture;
Fig. 6 is wedge shape slipper and guide rail relative position schematic diagram before the emergency braking;
Fig. 7 is wedge shape slipper and guide rail relative position schematic diagram behind the emergency braking.
Among the figure: the 1-shackle shaft, 2-coupling seat (26-bottom, the 27-journal stirrup, 271-journal stirrup axis hole), 3-wedge shape slipper (31-brake surface, 316-slipper axis hole, the 32-dovetail furrow), 4-bearing (41-wedge surface, 42-bearing cushion block, 421-cushion block through hole), 5-bolt and nut attaching parts, 6-crank (67-crank the first axis hole, 616-crank the second axis hole), 7-the first axle, the 8-block, 9-link rod (97-the first axis hole, 910-the second axis hole, the 911-Triaxial hole), 10-the second axle, 11-the 3rd axle, the 12-spring, the 13-guide rail, the 14-suspension bracket, the 15-steel rope, the 16-pivot shaft, the 17-spring cotter, the 18-spring washer, the 19-bolt, 20-bolt I, the 21-nut, the 22-spring washer, the 23-back-up ring, 24-jacking equipment (241-top board, the 242-gusset), 25-nut I.
The specific embodiment
Further specify the utility model below in conjunction with drawings and Examples.
Embodiment: the utility model comprises shackle shaft 1, spring 12, is provided with the cylindrical shape coupling seat 2 of two journal stirrups 23, link rod 9, crank 6, the first axle 7, the second axle 10, the 3rd axle 11, a side are provided with wedge shape slipper 3, the bearing 4 that is provided with the wedge surface 41 that matches with described dovetail furrow 32, the pivot shaft 16 that brake surface 31 opposite sides are provided with dovetail furrow 32; One end of cylindrical shape coupling seat 2 is provided with bottom 26, and the other end opens wide.Spring 12 is set in and is provided with externally threaded shackle shaft 1 one ends, the other end of shackle shaft 1 connects with suspension bracket 14 on being fixed on jacking equipment, steel rope 15 passes through suspension bracket 14 traction jacking equipments along guide rail 13 up-and-down movements, by nut I 25 shackle shaft 1 one ends are captiveed joint with coupling seat 2 one ends simultaneously, coupling seat 2 is set in the outside of spring 12, the bottom 26 of coupling seat 2 one ends is by an end butt of its inside face and spring 12, the length a of spring 12 is greater than the height h of coupling seat 2, the other end butt top board 241 of spring 12; Two journal stirrups 27 are respectively equipped with journal stirrup axis hole 271 and are located at axisymmetricly coupling seat 2 both sides, be respectively equipped with on the link rod 9 and the first axle 7, the first axis hole 97 that the second axle 10 and the 3rd axle 11 match, the second axis hole 910 and Triaxial hole 911, be respectively equipped with crank the first axis hole 67 and crank the second axis hole 616 that match with the first axle 7 and pivot shaft 16 on the crank 6, wedge shape slipper 3 is provided with the slipper axis hole 316 that matches with pivot shaft 16, the angle that dovetail furrow 32 and brake surface are 31 is acute angle, bearing 4 is provided with the bearing cushion block that the structure 42 of captiveing joint with jacking equipment 24 namely is provided with two cushion block through holes 421, and the bearing cushion block is by two cushion block through hole 421 usefulness bolt I 20, nut 21 is captiveed joint with the top board 241 of jacking equipment 24 with spring washer 22; Pivot shaft 16 1 ends are captiveed joint with crank 6 with back-up ring 23 by crank the second axis hole 616 usefulness spring cotters 17, and the other end is flexibly connected with wedge shape slipper 3 by slipper axis hole 316 usefulness spring washers 18 and bolt 19; The first axle 7 two ends are fixedly connected on an end of link rod 9 by the first axis hole 97 usefulness blocks 8 and bolt and nut attaching parts 5, an end of this link rod 9 is the matrix of hollow, and the middle part of the first axle 7 then is inserted in crank the first axis hole 67 and is flexibly connected with crank 6; Captive joint with the gusset 242 of jacking equipment 24 with bolt and nut attaching parts 5 by the second axis hole 910 usefulness blocks 8 in the second axle 10 two ends, the middle part that the second axis hole 910 and link rod 9 then are inserted in the second axle 10 middle parts is flexibly connected; Captive joint with the other end of link rod 9 with the bolt and nut attaching parts by Triaxial hole 911 usefulness blocks 8 in the 3rd axle 11 two ends, the other end of this link rod 9 also is the matrix of hollow, and the 3rd axle 11 middle parts then are inserted in Triaxial hole 911 and are flexibly connected with journal stirrup 27.
During use, first the utility model is fixed on the jacking equipment 24.When steel rope 15 is sling jacking equipment 24 by suspension bracket 14, under jacking equipment 24 self gravitation effects, by shackle shaft 1 spring 12 is compressed coupling seat 2 butt top boards 241, this moment, wedge shape slipper 3 and 13 on guide rail left the gap, and jacking equipment 24 can freely move up and down.When steel rope 15 disconnects, coupling seat 2 inner springs 12 flick rapidly, driving coupling seat 2 moves down, coupling seat 2 moves down by the 3rd axle 11 drive link rods 9 rotates centered by the second axle 10, link rod 9 passes through upwards throw crank 6 of the first axle 7, crank 6 moves up and drives wedge shape slipper 3 by pivot shaft 16 and moves up, and causes the wedge shape slipper to move up along the dovetail furrow 32 on the bearing 4, and the wedge shape slipper contacts and compress the generation friction force with track 13.Pushed by 41 pairs of tracks 13 of wedge surface by the wedge shape slipper, the larger friction force of bearing down is larger, between wedge shape slipper 3, prevents jacking equipment 24 to fall guide rail 13 wedgings.Behind the trouble-shooting, jacking equipment 24 can be promoted, unclamp wedge shape slipper 3.
Claims (3)
1. jacking equipment emergency braking apparatus is characterized in that: the coupling seat (2), link rod (9), crank (6), the first axle (7), the second axle (10), the 3rd axle (11), the side that comprise shackle shaft (1), spring (12), are provided with two journal stirrups (27) are provided with wedge shape slipper (3), the bearing (4) that is provided with the wedge surface (41) that matches with described dovetail furrow (32), the pivot shaft (16) that brake surface (31) opposite side is provided with dovetail furrow (32); Described spring (12) is set in shackle shaft (1) one end, described shackle shaft (1) one end is captiveed joint with described coupling seat (2) one ends, described coupling seat (2) is set in the outside of spring (12), one end butt of described coupling seat (2) one ends and described spring (12), the length a of described spring (12) is greater than the height h of coupling seat (2); Described two journal stirrups (27) are respectively equipped with journal stirrup axis hole (271) and are located at axisymmetricly coupling seat (2) both sides, one end of described link rod (9), middle part and the other end are respectively equipped with and the first axle (7), the first axis hole (97) that the second axle (10) and the 3rd axle (11) match, the second axis hole (910) and Triaxial hole (911), be respectively equipped with crank the first axis hole (67) and crank the second axis hole (616) that match with the first axle (7) and pivot shaft (16) on the described crank (6), described wedge shape slipper (3) is provided with the slipper axis hole (316) that matches with pivot shaft (16), angle between described dovetail furrow (32) and brake surface (31) is acute angle, and described bearing (4) is provided with the structure (42) of captiveing joint with jacking equipment (24); Described pivot shaft (16) is captiveed joint with crank (6) with attaching parts by crank the second axis hole (616), is flexibly connected with attaching parts and wedge shape slipper (3) by slipper axis hole (316); Described the first axle (7) is flexibly connected with attaching parts and crank (6) by crank the first axis hole (67), captives joint with link rod (9) with attaching parts by the first axis hole (97); Described the second axle (10) is flexibly connected with attaching parts and link rod (9) by the second axis hole (910), captives joint with jacking equipment (24) with attaching parts by the second axis hole (910); Described the 3rd axle (11) is flexibly connected with attaching parts and journal stirrup (27) by Triaxial hole (911), captives joint with link rod (9) with attaching parts by Triaxial hole (911).
2. jacking equipment emergency braking apparatus according to claim 1, it is characterized in that: described structure (42) of captiveing joint with jacking equipment (24) is for being provided with the bearing cushion block of two cushion block through holes (421), and the bearing cushion block is captiveed joint with the top board (241) of jacking equipment (24) with attaching parts by two cushion block through holes (421); The other end of described top board (241) butt spring (12); Described the second axle (10) other end is captiveed joint with the gusset (242) of jacking equipment (24) with attaching parts by the second axis hole (910).
3. jacking equipment emergency braking apparatus according to claim 1 and 2, it is characterized in that: described coupling seat (2) is cylindrical shape, described coupling seat (2) one ends are provided with bottom (26), an end butt of the inside face of described bottom (26) and described spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320268928 CN203237971U (en) | 2013-05-17 | 2013-05-17 | Lifting device emergency braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320268928 CN203237971U (en) | 2013-05-17 | 2013-05-17 | Lifting device emergency braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203237971U true CN203237971U (en) | 2013-10-16 |
Family
ID=49315291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320268928 Expired - Fee Related CN203237971U (en) | 2013-05-17 | 2013-05-17 | Lifting device emergency braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203237971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555790A (en) * | 2014-12-22 | 2015-04-29 | 中冶南方工程技术有限公司 | Anti-falling lifting unit suitable for mechanical stirring molten iron desulphurization |
-
2013
- 2013-05-17 CN CN 201320268928 patent/CN203237971U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555790A (en) * | 2014-12-22 | 2015-04-29 | 中冶南方工程技术有限公司 | Anti-falling lifting unit suitable for mechanical stirring molten iron desulphurization |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20170517 |