CN202346605U - Trolley for slag conveying crane and slag conveying crane employing trolley - Google Patents

Trolley for slag conveying crane and slag conveying crane employing trolley Download PDF

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Publication number
CN202346605U
CN202346605U CN2011204459206U CN201120445920U CN202346605U CN 202346605 U CN202346605 U CN 202346605U CN 2011204459206 U CN2011204459206 U CN 2011204459206U CN 201120445920 U CN201120445920 U CN 201120445920U CN 202346605 U CN202346605 U CN 202346605U
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CN
China
Prior art keywords
dolly
chassis
connecting portion
dolly chassis
fork
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Expired - Fee Related
Application number
CN2011204459206U
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Chinese (zh)
Inventor
毛卫功
郭长宇
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Henan Dafang Heavy Machinery Co Ltd
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Henan Dafang Heavy Machinery Co Ltd
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Priority to CN2011204459206U priority Critical patent/CN202346605U/en
Application granted granted Critical
Publication of CN202346605U publication Critical patent/CN202346605U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a trolley for a slag conveying crane and the slag conveying crane employing the trolley. The trolley comprises trolley end beams and a trolley chassis, wherein lower flange connection parts which face the trolley chassis are arranged on each trolley end beam; each lower flange connection part comprises a lower flange plate, and bolt mounting holes are formed in the circumferential edge of the lower flange plate; upper flange connection parts which are correspondingly matched with the lower flange connection parts on the trolley end beams are arranged on the trolley chassis; each upper flange connection part comprises an upper flange plate, and bolt mounting holes are formed in the circumferential edge of the upper flange plate; and the trolley chassis and the trolley end beams are fixedly connected through the upper and lower flange plates, and fastening bolts which are correspondingly assembled between every two flange plates. The trolley chassis and the trolley end beams of the crane trolley for the slag conveying crane are detachably and fixedly connected with each other, and can be detached when required to be detached, so that a slag dumping direction of a slag box is adjusted to overcome the limitation of regions and external equipment and improve work efficiency.

Description

A kind of monkey and use the hoisting crane of mucking haulage of this dolly of mucking haulage
Technical field
The utility model belongs to the elevator machinery technical field, relates to a kind of hoisting crane of mucking haulage, the monkey on particularly a kind of hoisting crane of mucking haulage.
Background technology
Present domestic city crowded traffic, subway has become one of important component part of alleviating traffic pressure.When building subway, often use a kind of hoisting crane of mucking haulage to carry out with excavating the dregs that comes out, as shown in Figure 1; The existing hoisting crane of mucking haulage comprises the bridge-type girder 61 that fixedly is assemblied on the supporting leg; Be installed with track on the bridge-type girder, sliding and running has monkey 63 in orbit, dolly 63 comprise walking in orbit the dolly end carriage and be weldingly fixed on the dolly chassis on the dolly end carriage; On dolly chassis, be set with hoisting drum 62; The below suspention of hoisting drum is useful on the slag case 64 that loads dregs, on dolly chassis, also is provided with slag case turning device 65, drives the upset of slag case to topple over the dregs in the slag case by slag case turning device.The dolly end carriage drives the slag case through monkey and slides into dump position along the track bearing of trend, realizes toppling over of dregs.
But the pivot center of the upset of the slag case in the existing dregs hoisting crane is vertical with the girder bearing of trend; And can not adjust, so just make the slag case to topple over dregs to the direction of extending along girder, the deslagging direction is single; Receive region and external device condition restriction serious, influence work efficiency.
The utility model content
The purpose of the utility model is to provide a kind of monkey of mucking haulage of novel structure, and is single and influence the technical matters of work efficiency to solve slag case deslagging direction on the hoisting crane of mucking haulage in the prior art; Simultaneously, the utility model also provides a kind of hoisting crane of mucking haulage that uses the above-mentioned monkey of mucking haulage.
For realizing above-mentioned purpose; The monkey of mucking haulage that the utility model provided adopts following technical scheme: a kind of monkey of mucking haulage; Comprise when using that walking is at two on the crane girder track dolly end carriages that laterally arrange and be positioned at the dolly chassis on the two dolly end carriages; Be installed with hoisting drum on the dolly chassis; The suspention of hoisting drum below has the slag case, between dolly chassis and slag case, also is provided with to be used for driving the upset of slag case to topple over the turning device of slag case dregs, and described dolly end carriage is provided with the lower flange connecting portion towards dolly chassis; The lower flange connecting portion comprises the lower flange plate that offers bolt mounting holes on the circumferential edge; Be provided with on the dolly chassis with the dolly end carriage on the upper flange connecting portion that uses of lower flange connecting portion corresponding matching, said upper flange connecting portion comprises the upper flange plate that offers bolt mounting holes on the circumferential edge, said dolly chassis and dolly end carriage are assemblied in the binding bolt captive joint between two flanged plates through upper and lower flanged plate and corresponding.
The place, two ends along dolly end carriage bearing of trend of the lower flange connecting portion on described each dolly end carriage respectively is provided with one, and the upper flange connecting portion on the described dolly chassis is cooresponding to be provided with four.
Described turning device is hinged on the connecting lever on the dolly chassis when comprising use; One end of connecting lever is connected with drive system, its other end of being fixed on the dolly chassis when using and is hinged with fork; Fork is provided with the hook that is used for hook slag case; Slag bucket is provided with and is used for the anchor shaft that corresponding hook with the fork hook cooperates, and said drive system comprises the drive spindle that moves along a straight line, and drive spindle is hinged with the corresponding end of connecting lever.
The hoisting crane of mucking haulage that the utility model provided adopts following technical scheme: a kind of hoisting crane of mucking haulage; Comprise girder; Be equipped with monkey on the trolley track of girder; Dolly comprises that walking is at two on the crane girder track dolly end carriages that laterally arrange and be positioned at the dolly chassis on the two dolly end carriages; Be installed with hoisting drum on the dolly chassis; The suspention of hoisting drum below has the slag case, between dolly chassis and slag case, also is provided with to be used for driving the upset of slag case to topple over the turning device of slag case dregs, and described dolly end carriage is provided with the lower flange connecting portion towards dolly chassis; The lower flange connecting portion comprises the lower flange plate that offers bolt mounting holes on the circumferential edge; Be provided with on the dolly chassis with the dolly end carriage on the upper flange connecting portion that uses of lower flange connecting portion corresponding matching, said upper flange connecting portion comprises the upper flange plate that offers bolt mounting holes on the circumferential edge, said dolly chassis and dolly end carriage are assemblied in the binding bolt captive joint between two flanged plates through upper and lower flanged plate and corresponding.
Described girder is single girder flower stand formula inverted triangle structure, and described trolley track is installed on the upper surface of inverted triangle structure girder.
The described hoisting crane of mucking haulage comprises the hoisting crane supporting leg; Described crane girder is fixedly installed on the said hoisting crane supporting leg; Said supporting leg is made up of the left and right supporting leg of arranging along the girder bearing of trend; Left branch leg and right supporting leg mainly are made up of two round steel pipes that are the splayed structural arrangement respectively, between two round steel pipes, are provided with connection pipe.
Described left branch leg and/or right supporting leg also comprise the lateral support pipe that is obliquely installed, the bottom that the upper end and the crane girder of lateral support pipe is hinged, the lower end is hinged on the round steel pipe of the left and right supporting leg of described composition.
The place, two ends along dolly end carriage bearing of trend of the lower flange connecting portion on described each dolly end carriage respectively is provided with one, and the upper flange connecting portion on the described dolly chassis is cooresponding to be provided with four.
Described turning device is hinged on the connecting lever on the dolly chassis when comprising use; One end of connecting lever is connected with drive system, its other end of being fixed on the dolly chassis when using and is hinged with fork; Fork is provided with the hook that is used for hook slag case; Slag bucket is provided with and is used for the anchor shaft that corresponding hook with the fork hook cooperates, and said drive system comprises the drive spindle that moves along a straight line, and drive spindle is hinged with the corresponding end of connecting lever.
Described turning device comprises the fork that is hinged on the dolly chassis; On fork, be provided with one be used for the hook slag bucket hook; Slag bucket is provided with and is used for the anchor shaft that corresponding hook with the fork hook cooperates; Described turning device also comprises the drive system that is installed on the dolly chassis; Drive system comprises the drive spindle along straight reciprocating motion, and at the corresponding trailer coupling of upwards swinging with the articulated section of dolly chassis around fork of the hook that is provided with traction fork under the drive that is used at drive spindle between drive spindle and the fork, this trailer coupling is made up of connecting rod and/or hauling rope.
The beneficial effect of the utility model is: the dolly end carriage of the monkey of mucking haulage that the utility model provided is provided with the lower flange connecting portion; On dolly chassis, be provided with the upper flange connecting portion; Dolly chassis and dolly end carriage are assemblied in the binding bolt captive joint between the two flange connecting portions through upper and lower flange connecting portion and correspondence; Hoisting drum drives the rising of slag case during use; When dolly end carriage drive dolly chassis, hoisting drum and slag case move to the deslagging position,, realize deslagging by turning device upset slag case.Simultaneously; Because through last lower flange connecting portion and binding bolt captive joint, after the dolly end carriage moves into place dolly chassis, hoisting drum and slag case, remove binding bolt and make dolly chassis and dolly end carriage be separated like this between dolly chassis and the dolly end carriage; Using other jack up unit that dolly chassis is hung the dolly end carriage and drives dolly chassis circumferentially rotates; Thereby the deslagging direction of adjustment slag case overcomes the restriction of region and external device, improves the deslagging work efficiency.
The dolly chassis of the monkey that uses on the hoisting crane of mucking haulage that the utility model provided and removable being fixedly connected of dolly end carriage; When needs, can both fractionations be come; Thereby the deslagging direction of adjustment slag case to overcome the restriction of region and external device, is increased work efficiency.And will descend the chassis and the end carriage branch of getting off to be arranged, can also be according to the operating mode needs of reality changing dolly chassis and hoisting drum, slag case, and need not change girder, and improve the hoisting crane degree of utilization, reduce production costs.
Description of drawings
Fig. 1 is the structural representation of a kind of hoisting crane of mucking haulage of the prior art;
Fig. 2 is the structural representation (the slag case does not draw among the figure) of a kind of embodiment of the monkey of mucking haulage that provides of the utility model;
Fig. 3 is the left side view (the slag case does not draw among the figure) of Fig. 2;
Fig. 4 is the structural representation (the slag case does not draw among the figure) of a kind of embodiment of the hoisting crane of mucking haulage that provides of the utility model;
Fig. 5 is the left side view (slag case and oblique support tube do not draw among the figure) of Fig. 4.
The specific embodiment
Like Fig. 2, shown in Figure 3; A kind of embodiment of the monkey of mucking haulage; The monkey of mucking haulage among this embodiment comprises when using that walking is at two on the girder track dolly end carriages 2 that laterally arrange and be positioned at the dolly chassis 1 on the two dolly end carriages; Place, two ends at each dolly end carriage 2 upper edge dolly end carriage bearing of trend respectively is provided with a lower flange connecting portion 21 towards dolly chassis; Lower flange connecting portion 21 comprises the lower flange plate and is used to support the flange brace panel of lower flange plate; The lower flange plate is provided with bolt mounting holes; Supply to be provided with four lower flange connecting portions on two dolly end carriages, the bottom of dolly chassis 1 be provided with the dolly end carriage on four upper flange connecting portions 11 using of four lower flange connecting portion corresponding matching, the upper flange connecting portion comprises the upper flange plate and is used to support the flange brace panel of upper flange plate; On the upper flange plate, be provided with bolt mounting holes equally, said dolly chassis and dolly dolly end carriage are through described upper and lower flange connecting portion and the cooresponding binding bolt captive joint that is assemblied between the two flange connecting portions.On dolly chassis 1, also be provided with hoisting drum 12; Through suspender 18 suspentions slag case (not drawing among the figure) is being arranged below the reel in unison; Between dolly chassis and slag case, also be provided with and be used for driving slag case upset toppling over the turning device of slag case dregs, this turning device comprises and is hinged on the connecting lever 15 on the dolly chassis when using that an end of connecting lever 15 is connected with drive system, its other end of being fixed on the dolly chassis when using and is hinged with fork 16; Fork 16 is provided with the hook 17 that is used for hook slag case; Slag bucket is provided with and is used for the anchor shaft that corresponding hook with the fork hook cooperates, and the drive system in the present embodiment comprises that motor 13 reaches and drive of motor bonded assembly screw-nut body, and described drive spindle is leading screw; The end of leading screw 15 is hinged with the corresponding end of connecting lever; Rotate along with the motion of the linear telescopic of leading screw drives the connecting lever that is hinged on the dolly chassis, thereby driving pendulum rod 16 actions realize the upset of slag case.
In the foregoing description, be respectively equipped with two lower flange connecting portions on two dolly end carriages, and be distributed in the place, two ends of end carriage; In other embodiments; Also can be distributed in other positions of end carriage, also one or more can be set, be as the criterion with the normal operation that can guarantee dolly chassis.Certainly, when the number of the lower flange connecting portion on the dolly end carriage and position changed, corresponding, the number of the upper flange connecting portion on the dolly chassis and position also changed accordingly, to guarantee that dolly chassis is connected with the normal of dolly end carriage.
In the foregoing description, the drive system of turning device is a motor driven systems, in other embodiments; Also can select fluid power system for use; The drive spindle of fluid power system is a hydraulic push rod, also can adopt air pressure drive system or electric pushrod structure, and the air pressure drive system mainly adopts air cylinder and air pressure push rod; Its structure and fluid power system are roughly the same, and the electric pushrod structure then is that the clutch end of electric pushrod is hinged with the corresponding end of connecting lever.
In the foregoing description; Turning device between dolly chassis and the slag case comprises the connecting lever that is hinged on the dolly chassis; Drive connecting lever by straight-line leading screw and rotate, like this behind the anchor shaft on the hook hook slag case of fork, when moving on the end that is provided with hook of fork around hinge-point; Realize the upset of slag case, accomplish deslagging work.In other embodiments; Also can adopt other the structure of turning device as shown in Figure 4; Turning device in Fig. 4; Fork 55 in this turning device is hinged on the dolly chassis, and drive system can adopt the motor among the embodiment as shown in Figure 1 or adopt fluid power system, and drive spindle is a hydraulic push rod in fluid power system; The corresponding trailer coupling of upwards swinging with the articulated section of dolly chassis around fork of the hook of traction fork under the drive that is arranged on drive spindle between drive spindle and the fork, this trailer coupling is made up of connecting rod and/or hauling rope.The trailer coupling that between hydraulic push rod and fork system, is provided with comprises connecting rod 53 and hauling rope 54, and wherein, connecting rod 53 is hinged on the trolley platform, and the two ends of hauling rope 54 are fixedly connected on respectively on connecting rod 53 and the fork 55.Certainly; In trailer coupling, also can cancel connecting rod and only adopt hauling rope; Can be provided with a fixed pulley this moment on trolley platform, and with the hauling rope winding on fixed pulley, the clutch end that an end of hauling rope is fixed on the fixed connecting rod of fork system, its other end then is fixed on hydraulic push rod; Like this when hydraulic push rod stretches out under Driven by Hydraulic Cylinder or withdraws, hauling rope will be under the driving of hydraulic push rod the pull-up fork.Certainly, in trailer coupling, also can cancel hauling rope and only adopt connecting rod, at this moment; Connecting rod is hinged on the trolley platform equally, and the hinge point of connecting rod is between the connecting rod two ends, and an end of connecting rod is captiveed joint with the clutch end of hydraulic push rod or is in transmission connection through drive link; The other end of connecting rod then is in transmission connection through slide block structure and fixed connecting rod, and connecting rod is provided with the slideway that extends along the guide direction of connecting rod bearing of trend, in slideway, is provided with slide block; Fixed connecting rod in the said fork system is located on the slide block; When stretching out under the driving of hydraulic push rod at hydraulic actuating cylinder or withdrawing, hydraulic push rod turns round drive link around the articulated section, along with the rotation of connecting rod like this; Slide block drives fixed connecting rod and in the slideway of connecting rod, slides, thereby puts or the bottom on the driving pendulum rod.
Like Fig. 4, shown in Figure 5; A kind of embodiment of the hoisting crane of mucking haulage; The hoisting crane of mucking haulage among this embodiment comprises hoisting crane supporting leg 4; The cooresponding flange of green phase is fixedly connected with crane girder 3 on hoisting crane supporting leg 4; The girder here is single girder flower stand formula inverted triangle structure, on the upper surface of inverted triangle structure girder, is equipped with two parallel trolley tracks that extend, and is walking by the dolly end carriage 52 that laterally arranges by two on the trolley track and is being positioned at the monkey 5 that the dolly chassis 51 on the dolly end carriage is formed; Dolly end carriage 52 is provided with the lower flange connecting portion towards dolly chassis; Be provided with on the dolly chassis 51 with the dolly end carriage on the upper flange connecting portion that uses of lower flange connecting portion corresponding matching, said dolly chassis and dolly end carriage are through upper and lower flange connecting portion and correspondingly be assemblied in the binding bolt captive joint between the two flange connecting portions, are installed with hoisting drum on the dolly chassis; The suspention of hoisting drum below has the slag case, between dolly chassis and slag case, also is provided with to be used for driving the upset of slag case to topple over the turning device of slag case dregs.
In the present embodiment; The hoisting crane supporting leg 4 of hoisting crane of mucking haulage comprises the left and right supporting leg of arranging along the girder bearing of trend; Left and right supporting leg mainly is made up of two round steel pipes 41 that are the splayed structural arrangement respectively, between two round steel pipes, also is provided with the connection pipe 42 that improves supporting leg intensity.When the needs hoisting crane is provided with when attaching body and operator's compartment; For improving supporting leg intensity and safety; Be everlasting and arrange the lateral support pipe 4 that is obliquely installed on left branch leg or the right supporting leg of a corresponding end; This lateral support pipe 4 is similarly two, the bottom that upper end and crane girder are hinged, the lower end is hinged on corresponding round steel pipe of lateral support pipe.Certainly, also can on left and right supporting leg, all be provided with, the intensity of hoisting crane supporting leg is higher like this, and safety is better.
Girder in the foregoing description adopts flower stand formula structure, compares with existing bridge-type girder, has reduced the girder deadweight, and from heavy and light, cost is lower.
The structure of the monkey in the foregoing description can adopt structure as shown in Figure 4, in other embodiments, also can adopt structure as shown in Figure 1, repeats no more at this.
When the hoisting crane of mucking haulage in the foregoing description is worked; Slag case through suspention below the hoisting drum is reprinted dregs, and hoisting drum drives the slag case and rises, when dolly end carriage drive dolly chassis, hoisting drum and slag case move to the deslagging position; By turning device upset slag case, realize deslagging.In the time need adjusting the deslagging direction of slag case according to the situation of region and external device layout; Fixedly dolly chassis on the dismounting crane carriage and the binding bolt on the dolly end carriage; Using other jack up unit that dolly chassis is hung the dolly end carriage and drives dolly chassis circumferentially rotates; Thereby the deslagging direction of adjustment slag case has improved the deslagging work efficiency.And will descend the chassis and the end carriage branch of getting off to be arranged, can also be according to the operating mode needs of reality changing dolly chassis and hoisting drum, slag case, and need not change girder, and improve the hoisting crane degree of utilization, reduce production costs.

Claims (10)

1. monkey of mucking haulage; Comprise when using that walking is at two on the crane girder track dolly end carriages that laterally arrange and be positioned at the dolly chassis on the two dolly end carriages; Be installed with hoisting drum on the dolly chassis; The suspention of hoisting drum below has the slag case; Between dolly chassis and slag case, also be provided with and be used for driving the upset of slag case to topple over the turning device of slag case dregs; It is characterized in that: described dolly end carriage is provided with the lower flange connecting portion towards dolly chassis, and the lower flange connecting portion comprises the lower flange plate that offers bolt mounting holes on the circumferential edge, be provided with on the dolly chassis with the dolly end carriage on the upper flange connecting portion that uses of lower flange connecting portion corresponding matching; Said upper flange connecting portion comprises the upper flange plate that offers bolt mounting holes on the circumferential edge, and said dolly chassis and dolly end carriage are assemblied in the binding bolt captive joint between two flanged plates through upper and lower flanged plate and correspondence.
2. the monkey of mucking haulage according to claim 1; It is characterized in that: the place, two ends along dolly end carriage bearing of trend of the lower flange connecting portion on described each dolly end carriage respectively is provided with one, and the upper flange connecting portion on the described dolly chassis is cooresponding to be provided with four.
3. the monkey of mucking haulage according to claim 1 and 2; It is characterized in that: described turning device is hinged on the connecting lever on the dolly chassis when comprising use; One end of connecting lever is connected with drive system, its other end of being fixed on the dolly chassis when using and is hinged with fork; Fork is provided with the hook that is used for hook slag case; Slag bucket is provided with and is used for the anchor shaft that corresponding hook with the fork hook cooperates, and said drive system comprises the drive spindle that moves along a straight line, and drive spindle is hinged with the corresponding end of connecting lever.
4. hoisting crane of mucking haulage; Comprise girder; Be equipped with monkey on the trolley track of girder; Dolly comprises that walking at two on the crane girder track dolly end carriages that laterally arrange and be positioned at the dolly chassis on the two dolly end carriages, is installed with hoisting drum on the dolly chassis, and the suspention of hoisting drum below has the slag case; Between dolly chassis and slag case, also be provided with and be used for driving the upset of slag case to topple over the turning device of slag case dregs; It is characterized in that: described dolly end carriage is provided with the lower flange connecting portion towards dolly chassis, and the lower flange connecting portion comprises the lower flange plate that offers bolt mounting holes on the circumferential edge, be provided with on the dolly chassis with the dolly end carriage on the upper flange connecting portion that uses of lower flange connecting portion corresponding matching; Said upper flange connecting portion comprises the upper flange plate that offers bolt mounting holes on the circumferential edge, and said dolly chassis and dolly end carriage are assemblied in the binding bolt captive joint between two flanged plates through upper and lower flanged plate and correspondence.
5. the hoisting crane of mucking haulage according to claim 4 is characterized in that: described girder is single girder flower stand formula inverted triangle structure, and described trolley track is installed on the upper surface of inverted triangle structure girder.
6. the hoisting crane of mucking haulage according to claim 4; It is characterized in that: the described hoisting crane of mucking haulage comprises the hoisting crane supporting leg; Described crane girder is fixedly installed on the said hoisting crane supporting leg; Said supporting leg is made up of the left and right supporting leg of arranging along the girder bearing of trend, and left branch leg and right supporting leg mainly are made up of two round steel pipes that are the splayed structural arrangement respectively, between two round steel pipes, are provided with connection pipe.
7. the hoisting crane of mucking haulage according to claim 6; It is characterized in that: described left branch leg and/or right supporting leg also comprise the lateral support pipe that is obliquely installed, the bottom that the upper end and the crane girder of lateral support pipe is hinged, the lower end is hinged on the round steel pipe of the left and right supporting leg of described composition.
8. according to any described hoisting crane of mucking haulage in the claim 4 to 7; It is characterized in that: the place, two ends along dolly end carriage bearing of trend of the lower flange connecting portion on described each dolly end carriage respectively is provided with one, and the upper flange connecting portion on the described dolly chassis is cooresponding to be provided with four.
9. according to any described hoisting crane of mucking haulage in the claim 4 to 7; It is characterized in that: described turning device is hinged on the connecting lever on the dolly chassis when comprising use; One end of connecting lever is connected with drive system, its other end of being fixed on the dolly chassis when using and is hinged with fork; Fork is provided with the hook that is used for hook slag case; Slag bucket is provided with and is used for the anchor shaft that corresponding hook with the fork hook cooperates, and said drive system comprises the drive spindle that moves along a straight line, and drive spindle is hinged with the corresponding end of connecting lever.
10. according to any described hoisting crane of mucking haulage in the claim 4 to 7; It is characterized in that: described turning device comprises the fork that is hinged on the dolly chassis; On fork, be provided with one be used for the hook slag bucket hook; Slag bucket is provided with and is used for the anchor shaft that corresponding hook with the fork hook cooperates; Described turning device also comprises the drive system that is installed on the dolly chassis; Drive system comprises the drive spindle along straight reciprocating motion, and at the corresponding trailer coupling of upwards swinging with the articulated section of dolly chassis around fork of the hook that is provided with traction fork under the drive that is used at drive spindle between drive spindle and the fork, this trailer coupling is made up of connecting rod and/or hauling rope.
CN2011204459206U 2011-10-23 2011-11-12 Trolley for slag conveying crane and slag conveying crane employing trolley Expired - Fee Related CN202346605U (en)

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CN201120405148 2011-10-23
CN201120405148.5 2011-10-23
CN2011204459206U CN202346605U (en) 2011-10-23 2011-11-12 Trolley for slag conveying crane and slag conveying crane employing trolley

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Publication number Priority date Publication date Assignee Title
CN102381628A (en) * 2011-10-23 2012-03-21 河南省大方重型机器有限公司 Slag-transporting crane trolley and slag-transporting crane using the same
CN110482449A (en) * 2018-05-15 2019-11-22 上海五钢设备工程有限公司 Blooming mill measuring cell Replacement procedure

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