CN201670652U - Three-jaw spreader for transporting high temperature annealing furnace inner cover - Google Patents

Three-jaw spreader for transporting high temperature annealing furnace inner cover Download PDF

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Publication number
CN201670652U
CN201670652U CN2010201918662U CN201020191866U CN201670652U CN 201670652 U CN201670652 U CN 201670652U CN 2010201918662 U CN2010201918662 U CN 2010201918662U CN 201020191866 U CN201020191866 U CN 201020191866U CN 201670652 U CN201670652 U CN 201670652U
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CN
China
Prior art keywords
cover
fixed
annealing furnace
clamping plate
temperature annealing
Prior art date
Application number
CN2010201918662U
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Chinese (zh)
Inventor
李准
石忠会
黄波
章培莉
Original Assignee
宝山钢铁股份有限公司
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Application filed by 宝山钢铁股份有限公司 filed Critical 宝山钢铁股份有限公司
Priority to CN2010201918662U priority Critical patent/CN201670652U/en
Application granted granted Critical
Publication of CN201670652U publication Critical patent/CN201670652U/en

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Abstract

A three-jaw spreader for transporting high temperature annealing furnace inner cover is disclosed herein. The three-jaw spreader herein comprises an elevating system, a guide rod, a clamping plate, three pull bars, three fixed bars and three clamp bodies, wherein the elevating system is provided with the guide rod at the lower end, the guide rod being sleeved on the top part of the clamping plate, the lower part of the clamping plate being respectively connected to one end of each fixed bar, three fixed bars being evenly arranged in a radial pattern with respect to the clamping plate; wherein the lower end of the elevating system is fastened to a shutter, the upper end of the clamping plate being fastened to a shutter rest which is coordinated with the shutter; wherein the upper ends of the clamp bodies are sleeved on the fixed bars, between the clamp bodies and the fixed bars being provided pins, the clamp bodies and the fixed bars forming a moving pair; wherein one end of the pull bar is hinged to the elevating system, the other end of the pull bar being hinged to the top end of the clamp body; wherein the lower end of the clamp body is fastened to an uneven leg; wherein the uneven leg is facing towards the inner side of the spreader; wherein at least one of the clamp bodies is connected to a pull rope. The utility model has the advantages of strong adjustability, convenient operation and reliable safety.

Description

The three-jaw suspender that is used for the high-temperature annealing furnace inner cover
Technical field
The utility model relates to a kind of suspender, relates in particular to a kind of three-jaw suspender that is used for the high-temperature annealing furnace inner cover.
Background technology
What the transportation of existing high-temperature annealing furnace inner cover was generally adopted is the form that driving cooperates the inner cover suspender, referring to Fig. 1, the structural representation of the three-jaw suspender of prior art high-temperature annealing furnace inner cover, it comprises stay cord 1, clamping plate 5, suspension hook frame 7, three fixed links 13, three calipers 15 and three hoist cables 16, described suspension hook frame 7 lower ends are provided with clamping plate 5, clamping plate 5 are captiveed joint with an end of three fixed links 13 respectively, three fixed links 13 are at 5 one-tenth radial even settings of clamping plate, be connected by hoist cable 16 between described suspension hook frame and the fixed link 13, described caliper 15 is welded on the fixed link 13, caliper 15 lower ends are installed with hangs pin, the described instep that hangs is to the suspender inboard, and a lower end in described three calipers 15 is connected with stay cord 1.There is following defective in the three-jaw suspender of prior art high-temperature annealing furnace inner cover:
1, caliper 15 directly is welded on the fixed link 13, can not can only be applicable to the allocation and transportation of the inner cover 4 of fixed diameter along the radial expansion of inner cover 4.
2, because caliper 15 can not be along the radial expansion of inner cover 4, caliper 15 can't clamp inner cover 4 during handling, hang simultaneously and do not have locating dowel pin on the pin, caliper 15 and inner cover hanger 3 can't the actv. relative fixed during allocation and transportation, in addition the hoist cable 16 that adopts between suspension hook frame 7 and the fixed link 13 be connected and suspender lacks and inner cover 4 between spotting device, handling process stationarity is very poor, there is certain potential safety hazard, therefore the energy that requires operating personal to drop into is bigger, nerve is in the high-pressure state, and labour intensity is bigger.
3, the connection of three fixed links 13 design is unreasonable; when suspender is put down in driving; framework usually can strike inner cover 4 tops; because less and oven-fresh inner cover 4 temperature of area of contact are up to more than 200 ℃; this bump has aggravated the collapse-deformation of inner cover 4 domes; the distortion of the position of inner cover hanger 3 can't be finished handling when serious.
4, suspension hook frame 7 is simple welded structure, and caliper 15 refers to hang personnel to the moving operation personnel with ground with the location of inner cover hanger 3 and cooperates requirement very high, and operation inconvenience is wasted time and energy.
The utility model content
The purpose of this utility model is to provide a kind of three-jaw suspender that is used for the high-temperature annealing furnace inner cover, this suspender can be realized the safety allocation and transportation according to high-temperature annealing furnace inner cover diameter variation, even also can realize safe allocation and transportation when inner cover deforms, this suspender satisfies simple in structure, easy to operate, good stability simultaneously.
The utility model is achieved in that a kind of three-jaw suspender that is used for the high-temperature annealing furnace inner cover, comprise lifting mechanism, pilot bar, clamping plate, three pull bars, three fixed links and three calipers, described lifting mechanism lower end is provided with pilot bar, pilot bar is sleeved on clamping plate top, captive joint with an end of three fixed links respectively in the clamping plate bottom, three fixed links become radial even setting at clamping plate, described lifting mechanism lower end is fixed with switch circuit controller, the clamping plate upper end is fixed with the switch circuit controller seat that matches with switch circuit controller, described caliper upper end is sleeved on the fixed link, be provided with bearing pin between caliper and the fixed link, caliper and fixed link constitute moving sets, described pull bar one end is hinged on the lifting mechanism, the pull bar other end is hinged on the caliper top, described caliper lower end is installed with hangs pin, and the described instep that hangs has at least one to be connected with stay cord to the suspender inboard in described three calipers.
The described pin upper end of hanging is welded with locating dowel pin.
Described fixed link lower surface is installed with the arc limit base.
Described bearing pin outer cover is equipped with two-layer axle sleeve, and bearing pin and ground floor axle sleeve, ground floor axle sleeve and second layer axle sleeve are free-running fit.
Described bearing pin is symmetrically distributed in fixed link both sides up and down.
Described lifting mechanism comprises hanging axis, suspension hook frame and base, the hanging axis outer cover is equipped with the suspension hook frame, captives joint with base in suspension hook frame lower end, and described base inside is provided with rotating shaft, be provided with bearing set between base and the rotating shaft, relative base top, described base bottom can rotate.
The hanger outside of described suspension hook frame is welded with fixed cover, and described fixed cover is sleeved on the hanging axis outside, fixes with set pin between fixed cover and the hanging axis.
The utlity model has following beneficial effect:
1) the utility model is simple in structure, caliper can be along high-temperature annealing furnace inner cover radial expansion, make suspender can be applicable to the allocation and transportation of the high-temperature annealing furnace inner cover of different-diameter, this external pin that hangs is provided with locating dowel pin, caliper and the relative fixed of inner cover hanger in the allocation and transportation process have been guaranteed, the landing of inner cover suspender in the allocation and transportation process that prevented inner cover.
2) the utility model is at lifting mechanism and be used to grip between the clamping plate of bar and be provided with pilot bar, and pilot bar has guaranteed that the center of gravity of suspender in handling inner cover process is more steady.
3) the utility model has increased the area of contact between suspender and the high-temperature annealing furnace inner cover at fixed link lower surface fixed installation arc limit base, has effectively reduced the collapse-deformation of high-temperature annealing furnace inner cover dome.
4) the utility model is equipped with two-layer axle sleeve in the bearing pin outer cover, becomes friction of rolling by cliding friction between bearing pin and the fixed link, and two-layer axle sleeve greatly reduces the friction force between bearing pin and the fixed link.
5) the utility model is provided with rotating shaft in base inside, is provided with bearing set between base and the rotating shaft, and relative base top, base bottom can rotate, and this makes the rotation suspender that the staff is more convenient to operate.
Description of drawings
Fig. 1 is used for the front view of the three-jaw suspender of high-temperature annealing furnace inner cover for prior art;
Fig. 2 is used for the three-jaw suspender schematic top plan view of high-temperature annealing furnace inner cover for the utility model;
Fig. 3 is that the A-A of Fig. 2 is to cross-sectional schematic;
Fig. 4 is the inner enlarged diagram of lifting mechanism.
Among the figure: the hanger of 1 stay cord, 2 locating dowel pins, 3 inner cover hangers, 4 inner covers, 5 clamping plate, 6 bases, 61 bearing sets, 7 drop hanger framves, 71 drop hanger framves, 8 hanging axises, 81 fixed covers, 82 set pins, 9 switch circuit controllers, 10 pilot bars, 11 pull bars, 12 switch circuit controller seats, 13 fixed links, 14 bearing pins, 15 calipers, 16 hoist cables.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 2 to Fig. 4, a kind of three-jaw suspender that is used for the high-temperature annealing furnace inner cover comprises lifting mechanism, pilot bar 10, clamping plate 5, three pull bars 11, three fixed links 13 and three calipers 15.Described lifting mechanism comprises hanging axis 8, suspension hook frame 7 and base 6, hanging axis 8 outer cover are equipped with suspension hook frame 7, captive joint with base 6 in suspension hook frame 7 lower ends, and described base 6 inside are provided with rotating shaft, be provided with bearing set 61 between base 6 and the rotating shaft, relative base 6 tops, described base 6 bottoms can rotate.Hanger 71 outsides of described suspension hook frame are welded with fixed cover 81, and described fixed cover 81 is sleeved on hanging axis 8 outsides, and are fixing with set pin 82 between fixed cover 81 and the hanging axis 8.Described lifting mechanism lower end is provided with pilot bar 10, pilot bar 10 is sleeved on clamping plate 5 tops, captive joint with an end of three fixed links 13 respectively in clamping plate 5 bottoms, three fixed links 13 are at 5 one-tenth radial even settings of clamping plate, and described fixed link 13 lower surfaces are installed with the arc limit base.Described lifting mechanism lower end is fixed with switch circuit controller 9, clamping plate 5 upper ends are fixed with the switch circuit controller seat 12 that matches with switch circuit controller 9, described caliper 15 upper ends are sleeved on the fixed link 13, be provided with bearing pin 14 between caliper 15 and the fixed link 13, caliper 15 constitutes moving sets with fixed link 13, and the bilateral symmetry up and down of each fixed link 13 is distributed with 4 bearing pins 14.Described bearing pin 14 outer cover are equipped with two-layer axle sleeve, bearing pin 14 is free-running fit with ground floor axle sleeve, ground floor axle sleeve and second layer axle sleeve, this makes and becomes friction of rolling by cliding friction between bearing pin 14 and the fixed link 13 that two-layer axle sleeve greatly reduces the friction force between bearing pin 14 and the fixed link 13.Described pull bar 11 1 ends are hinged on the lifting mechanism, pull bar 11 other ends are hinged on caliper 15 tops, and described caliper 15 lower ends are installed with hangs pin, and the described instep that hangs is to the suspender inboard, hang the pin upper end and be welded with locating dowel pin 2, have at least one to be connected with stay cord 1 in three calipers 15 simultaneously.
The utility model is work like this: travelling crane hook is hooked on the suspension hook frame 7, and this moment, switch circuit controller 9 linked together with switch circuit controller seat 12, and the caliper 15 of band locating dowel pin 2 is in open mode; Move driving suspender is moved to the inner cover 4 that needs handling directly over, slowly fall suspender, ground refers to hang personnel and spurs stay cord 1, under the friction of rolling effect of the lifting mechanism of being with bearing set 61, make the caliper 15 of band locating dowel pin 2 at the circumferencial direction inner cover hanger 3 that staggers, continue to descend, when the caliper 15 of band locating dowel pin 2 is lower than inner cover hanger 3, spur stay cord 1 once more, make the band locating dowel pin 2 caliper 15 at circumferencial direction over against inner cover hanger 3, and locating dowel pin 2 just in time is in the opening position in the middle of the inner cover hanger 3, promote suspender, under the horizontal component of force effect of pull bar 11, make the caliper 15 of band locating dowel pin 2 in fixed link 13, receive, clamp inner cover 4, this moment, switch circuit controller 9 was thrown off automatically with switch circuit controller seat 12, when assigned address is arrived in handling, fall suspender, this moment is under the directional tagging of pilot bar 10, the suspension hook frame 6 of band bearing set 61 passes to the component of its gravity the caliper 15 of band locating dowel pin 2 by pull bar 11, simultaneously because the bearing pin 14 on the caliper 15 and the existence of two-layer axle sleeve, friction coefficient is extremely low, the caliper 15 of this belt transect locating dowel pin 2 is just outwards opened along fixed link 13, switch circuit controller 9 links together again with switch circuit controller seat 12 when moving to certain distance, pulling stay cord 1 when the caliper 15 that drops to band locating dowel pin 2 is lower than inner cover hanger 3, make the caliper 15 of band locating dowel pin 2 at the circumferencial direction inner cover hanger 3 that staggers, promote suspender, prepare next handling.

Claims (7)

1. three-jaw suspender that is used for the high-temperature annealing furnace inner cover, it is characterized in that: comprise lifting mechanism, pilot bar (10), clamping plate (5), three pull bars (11), three fixed links (13) and three calipers (15), described lifting mechanism lower end is provided with pilot bar (10), pilot bar (10) is sleeved on clamping plate (5) top, captive joint with an end of three fixed links (13) respectively in clamping plate (5) bottom, three fixed links (13) become radial even setting at clamping plate (5), described lifting mechanism lower end is fixed with switch circuit controller (9), clamping plate (5) upper end is fixed with the switch circuit controller seat (12) that matches with switch circuit controller (9), described caliper (15) upper end is sleeved on the fixed link (13), be provided with bearing pin (14) between caliper (15) and the fixed link (13), caliper (15) constitutes moving sets with fixed link (13), described pull bar (11) one ends are hinged on the lifting mechanism, pull bar (11) other end is hinged on caliper (15) top, described caliper (15) lower end is installed with hangs pin, the described instep that hangs has one at least and is connected with stay cord (1) to the suspender inboard in described three calipers (15).
2. the three-jaw suspender that is used for the high-temperature annealing furnace inner cover according to claim 1 is characterized in that: the described pin upper end of hanging is welded with locating dowel pin (2).
3. the three-jaw suspender that is used for the high-temperature annealing furnace inner cover according to claim 1 is characterized in that: described fixed link (13) lower surface is installed with the arc limit base.
4. the three-jaw suspender that is used for the high-temperature annealing furnace inner cover according to claim 1 is characterized in that: described bearing pin (14) outer cover is equipped with two-layer axle sleeve, and bearing pin (10) is free-running fit with ground floor axle sleeve, ground floor axle sleeve and second layer axle sleeve.
5. the three-jaw suspender that is used for the high-temperature annealing furnace inner cover according to claim 4 is characterized in that: described bearing pin (10) is symmetrically distributed in fixed link (13) both sides up and down.
6. the three-jaw suspender that is used for the high-temperature annealing furnace inner cover according to claim 1, it is characterized in that: described lifting mechanism comprises hanging axis (8), suspension hook frame (7) and base (6), described hanging axis (8) outer cover is equipped with suspension hook frame (7), captive joint with base (6) in suspension hook frame (7) lower end, described base (6) inside is provided with rotating shaft, be provided with bearing set (61) between base (6) and the rotating shaft, the relative base in described base (6) bottom (6) top can rotate.
7. the three-jaw suspender that is used for the high-temperature annealing furnace inner cover according to claim 5, it is characterized in that: the hanger of described suspension hook frame (71) outside is welded with fixed cover (81), described fixed cover (81) is sleeved on hanging axis (8) outside, and is fixing with set pin (82) between fixed cover (81) and the hanging axis (8).
CN2010201918662U 2010-05-17 2010-05-17 Three-jaw spreader for transporting high temperature annealing furnace inner cover CN201670652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201918662U CN201670652U (en) 2010-05-17 2010-05-17 Three-jaw spreader for transporting high temperature annealing furnace inner cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201918662U CN201670652U (en) 2010-05-17 2010-05-17 Three-jaw spreader for transporting high temperature annealing furnace inner cover

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102765410A (en) * 2012-07-25 2012-11-07 中国一冶集团有限公司 Vehicle capable of overturning coal charging hole seat of coke oven
CN104085778A (en) * 2014-07-03 2014-10-08 汪枫 Material lifting device of annealing furnace
CN105460777A (en) * 2015-06-15 2016-04-06 荆门索立特热能技术有限公司 Three-jaw lifting appliance
CN105565151A (en) * 2016-02-17 2016-05-11 浙江德润重工机械有限公司 Three-point lifting equipment for large castings
CN105905797A (en) * 2016-06-30 2016-08-31 田士张 Convection disc lifting tool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102765410A (en) * 2012-07-25 2012-11-07 中国一冶集团有限公司 Vehicle capable of overturning coal charging hole seat of coke oven
CN104085778A (en) * 2014-07-03 2014-10-08 汪枫 Material lifting device of annealing furnace
CN105460777A (en) * 2015-06-15 2016-04-06 荆门索立特热能技术有限公司 Three-jaw lifting appliance
CN105565151A (en) * 2016-02-17 2016-05-11 浙江德润重工机械有限公司 Three-point lifting equipment for large castings
CN105905797A (en) * 2016-06-30 2016-08-31 田士张 Convection disc lifting tool

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101215

Termination date: 20150517

EXPY Termination of patent right or utility model