CN102774747A - Steering mechanism for travelling trolley of universal gantry crane - Google Patents
Steering mechanism for travelling trolley of universal gantry crane Download PDFInfo
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- CN102774747A CN102774747A CN2012102808875A CN201210280887A CN102774747A CN 102774747 A CN102774747 A CN 102774747A CN 2012102808875 A CN2012102808875 A CN 2012102808875A CN 201210280887 A CN201210280887 A CN 201210280887A CN 102774747 A CN102774747 A CN 102774747A
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- supporting leg
- traveling
- equalizer
- oil cylinder
- cylinder
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Abstract
The invention relates to a steering mechanism for a travelling trolley of a universal gantry crane, which is characterized by comprising a travelling balancing beam, a rotary oil cylinder, a supporting leg connection base, a support oil cylinder, an oil cylinder connection disc and an oil cylinder rising section. The supporting leg connection base is sleeved in the center hole of the travelling balancing beam; the lower part of the supporting leg connection base is fixedly connected with the oil cylinder rising section through bolts; the oil cylinder rising section is fixedly connected with the support oil cylinder through bolts; two ends of the travelling balancing beam are both provided with a plane rotating device; the plane rotating devices are connected with a travelling trolley mechanism through hinging components; and two ends of the rotary oil cylinder which is used for driving the travelling balancing beam to do rotary motion around the supporting leg connection base are respectively connected with hinge lug bases which are arranged on the travelling balancing beam and the supporting leg connection base.
Description
Technical field
The present invention relates to the big vehicle steering mechanism of a kind of gantry crane for general use traveling.
Background technology
The application of gantry crane for general use is very extensive; In order to realize utilizing to greatest extent equipment; Reduce production costs; Many transfer cranes have the function of turning to, and can realize the lifting construction of multizone, and this transfer crane with the function of turning to has obtained using widely in the high ferro construction project.But how the ultra-large type transfer crane cart running mechanism that surpasses 1000 tons at a liter weight realizes that it steadily turns to; Accurately locate; Making things convenient for its maintenance and repair again is difficult problems; Because the cart running mechanism of ultra-large type transfer crane self is big with regard to volume, size is big, the three big characteristics that weight is big.How to improve simultaneously manufacturing process, reducing manufacturing cost also is a difficult problem.
Summary of the invention
The object of the invention provides a kind of traveling cart slewing supporting device of gantry crane for general use just in order to solve existing weak point in the above-mentioned prior art.
The object of the invention can be realized through following technique measures:
The traveling cart slewing supporting device of gantry crane for general use of the present invention comprises that traveling equalizer, angling cylinder, supporting leg Connection Block, support cylinder, oil cylinder terminal pad and oil cylinder increase joint; Wherein: said supporting leg Connection Block is sleeved in the centre hole of traveling equalizer; The bottom of supporting leg Connection Block is increased joint through bolt and oil cylinder and is consolidated, and oil cylinder increases joint and is consolidated through bolt and support cylinder; The two ends of traveling equalizer are separately installed with the plane wheel word, and the plane wheel word is connected with running truck mechanism through articulation piece; Be used to drive the traveling equalizer around two ends that turn to oil cylinder that the supporting leg Connection Block is made gyroscopic movement respectively be arranged on the traveling equalizer and be connected with supporting leg Connection Block top hinge ear seat.That is to say that supporting leg Connection Block and traveling equalizer can be realized relatively rotating each other through angling cylinder, satisfy that to relatively rotate angle be 90o
Supporting leg Connection Block top in the slewing supporting device of the present invention is provided with the ring edge that level extends to the periphery; Below the ring edge, be symmetrically arranged with, be uniformly distributed with four semiaxis arc grooves that match with face of cylinder semiaxis in the upper surface of traveling equalizer to two face of cylinder semiaxis that extend below.More specifically say; Wherein two corresponding contacts of arc groove of symmetry is installed on the supporting leg Connection Block two face of cylinder semiaxis and traveling equalizer upper surface; After the supporting leg Connection Block 90o relative with the generation of traveling equalizer rotates; Two corresponding contacts of semiaxis with two other arc groove, guarantee supporting leg Connection Block and traveling equalizer relatively rotate for 90o.
Face of cylinder semiaxis described in the present invention is through tie bolt and supporting leg Connection Block concrete mutually, and the periphery of face of cylinder semiaxis adopts baffle plate to fix.
Groundwork of the present invention is following:
Under the gantry crane for general use normal working; The strength of its lift heavy and deadweight is delivered on the supporting leg Connection Block through supporting leg; Two face of cylinder semiaxis installing through symmetry on the supporting leg connecting seat assembly again contact and are delivered to power on the traveling equalizer with the semiaxis arc groove of the upper surface of traveling equalizer; Plane wheel word of below the both sides of traveling equalizer, installing at last and running truck mechanism finally are delivered to power on the rail level.
Under gantry crane for general use lift heavy state; Supporting leg can produce horizontal lateral force because of girder bending-down; For two firm supporting legs or firm half rigid leg; This horizontal moment just make supporting leg can be on the supporting leg connecting seat assembly semiaxis arc groove contact surface of two semiaxis installing of symmetry and the upper surface of traveling equalizer rotate, thereby the internal stress of counteracting supporting leg.Guarantee the safe handling of gantry crane for general use.
When the mode of operation that gantry crane for general use traveling cart turning gear need turn to; The support cylinder jacking; Through oil cylinder increase the joint and the supporting leg connecting seat assembly raise certain height to gantry crane for general use integral body; Plane wheel word of installing below the traveling equalizer both sides and running truck mechanism drop to oil cylinder under the effect of gravity increases on the joint, and the semiaxis arc groove of two face of cylinder semiaxis that guaranteed also simultaneously that symmetry is installed on the supporting leg connecting seat assembly and the upper surface of traveling equalizer breaks away from fully.Because the height that plane wheel word of installing below the traveling equalizer both sides and running truck mechanism drop are far smaller than the support cylinder jacking; So plane wheel word below the traveling equalizer reaches and running truck mechanism hang at oil cylinder and increase on the joint; Equalizer of traveling simultaneously and following plane wheel word and running truck mechanism also break away from rail level; Under the effect that turns to oil cylinder; Traveling equalizer and following plane wheel word and running truck mechanism rotate around the supporting leg center, and rotational angle can be greater than 90o.When support cylinder was withdrawn gradually, symmetry is installed on the supporting leg connecting seat assembly two semiaxis just can guarantee that with after the semiaxis arc groove of the upper surface of traveling equalizer fully contacts the angle that relatively rotates of supporting leg connecting seat assembly and traveling equalizer is 90o.
Running truck goes spool cooperating on the supporting leg that is delivered to gantry crane for general use of the horizontal force that the produces hole through the traveling equalizer and supporting leg Connection Block.
The present invention has following beneficial effect compared with prior art:
1) solved traditional transfer crane traveling cart slewing supporting device complex structure; Difficulty of processing is big; Defective, forms that two semiaxis on the supporting leg connecting seat assembly of the present invention adopt adjustment to install, and two semiaxis are installed on two terminations of supporting leg connecting seat assembly; All convenient and easy for the processing of the processing of semiaxis and supporting leg Connection Block like this; The arc groove of traveling equalizer is arranged in the traveling equalizer topmost, and this makes that also the processing of arc groove is very convenient, has reduced tooling cost widely.The outside that is engaged in supporting leg Connection Block and traveling equalizer of semiaxis and arc groove is convenient to during assembling and setting observe and adjustment simultaneously, has also improved the quality of fit and the accuracy of semiaxis and arc groove;
2) two semiaxis on the supporting leg connecting seat assembly contact with the semiaxis arc groove of the upper surface of traveling equalizer and make each parts stressed simple and direct, clear and definite, reliable; Semiaxis contacts with arc surface promptly can power transmission; Again can self-orientation, simultaneously small relatively rotating can also be arranged.Semiaxis and arc surface only receive downward positive pressure, and suffered horizontal force is very little;
3) owing to the outside that is engaged in supporting leg Connection Block and traveling equalizer of semiaxis and arc groove, this just makes that the version of supporting leg Connection Block is very simple, only need satisfy intensity, rigidity and the stability under lift heavy.The structure of same traveling equalizer interstitial hole cooperation place has also been simplified greatly.Overall weight alleviates, simultaneously also well satisfied gantry crane for general use under loading condition realization cart running mechanism turn to function.
Traveling cart slewing supporting device of the present invention not only can satisfy the erection construction requirement of project of South-to-North water diversion water conservancy aqueduct, and this version also can apply to other various transfer cranes simultaneously.
Description of drawings
Shown in Figure 1 is front view of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the birds-eye view of Fig. 1.
Sequence number among the figure: 1 is running truck, and 2 is the plane wheel word, and 3 for traveling equalizer assembly, and 4 is the oil cylinder supporting disk, and 5 is support cylinder, and 6 for turning to oil cylinder, and 7 for turning to the oil cylinder bearing pin, and 8 is the supporting leg connecting seat assembly, and 9 increase joint for oil cylinder.
Fig. 4 is a supporting leg connecting seat assembly front view of the present invention.
Fig. 5 is the left view of Fig. 4.
Sequence number among the figure: 10 is screw, and 11 is face of cylinder semiaxis, and 12 is the supporting leg Connection Block, 13 semiaxis baffle plates, and 14 is drift.
Fig. 6 is a traveling equalizer front view of the present invention.
Fig. 7 is the lateral plan of Fig. 6.
Sequence number among the figure: 15 are the traveling equalizer, and 16 is locating dowel pin, and 17 is bearing plate, and 18 is screw, and 19 for turning to oil cylinder connecting pin axle ear seat.
The specific embodiment
To combine instance (accompanying drawing) to further describe below the present invention:
Gantry crane for general use traveling cart turning gear of the present invention comprises running truck 1, plane wheel word 2, and traveling equalizer assembly 3, oil cylinder supporting disk 4, support cylinder 5 turns to oil cylinder 6, turns to oil cylinder bearing pin 7, and supporting leg connecting seat assembly 8 increases joint 9 with oil cylinder.Described running truck 1 is connected through hinge with plane wheel word 2 to be hung below traveling equalizer assembly 3 two ends.The face of cylinder of supporting leg connecting seat assembly 8 is passed the hole in the middle of traveling equalizer assembly 3, and the axis hole cooperation has certain quality of fit.Is connected with the supporting leg of gantry crane for general use above the supporting leg connecting seat assembly 8, it is fixed to increase joint 9 through bolt and oil cylinder below, and oil cylinder increases and saves 9 following and support cylinders 5 and be consolidated through screw.
Supporting leg connecting seat assembly described in the present invention comprises: the both sides that semiaxis 11 symmetries in the face of cylinder are installed in supporting leg Connection Block 12 (specifically; Supporting leg Connection Block 12 tops are provided with the ring edge that level extends to the periphery; Below the ring edge, be symmetrically arranged with) to two face of cylinder semiaxis that extend below; Three of face of cylinder semiaxis 11 fix with semiaxis baffle plate 13 and with supporting leg Connection Block 12 weld togethers, semiaxis 11 back in the face of cylinder hold out against also weld together with drift 14 and supporting leg Connection Block 12.Face of cylinder semiaxis 11 is consolidated through screw 10 and supporting leg Connection Block 12.
Traveling equalizer assembly described in the present invention comprises: bearing plate 17 adopt the form of assembling be installed in traveling equalizer 15 above; The face of cylinder of bearing plate 17 cooperates with the seam hole of traveling equalizer 15; Through the fixing position relation of bearing plate 17 and traveling equalizer 15 of locating dowel pin 16; Through screw 18 bearing plate 17 and traveling equalizer 15 are consolidated, turn to oil cylinder connecting pin axle ear seat 19 to be welded on the ad-hoc location above the traveling equalizer 15, turn to requirement to satisfy it.
Gantry crane for general use traveling cart turning gear of the present invention can be with lift heavy and the suffered vertical force of the caused supporting leg of deadweight; Be delivered on the traveling equalizer through face of cylinder semiaxis that is installed in supporting leg Connection Block both sides and the semiaxis arc groove that is installed in above the traveling equalizer bearing plate, pass vertical force to rail level through running truck at last.The horizontal force that running truck produces when driving vertical shift through the traveling equalizer be sleeved on supporting leg Connection Block in the traveling equalizer and pass to the supporting leg of gantry crane for general use at last.Under gantry crane for general use lift heavy state; Supporting leg can produce horizontal lateral force because of girder bending-down; For two firm supporting legs or firm half rigid leg; This horizontal moment with regard to make supporting leg can be on the supporting leg connecting seat assembly rotation that produces trace with the semiaxis arc groove contact surface of the upper surface of traveling equalizer of two face of cylinder semiaxis installing of symmetry, thereby the internal stress of counteracting supporting leg.Guarantee the safe handling of gantry crane for general use.
Claims (3)
1. the traveling cart slewing supporting device of a gantry crane for general use; It is characterized in that: it comprises that traveling equalizer, angling cylinder, supporting leg Connection Block, support cylinder, oil cylinder terminal pad and oil cylinder increase joint; Wherein: said supporting leg Connection Block is sleeved in the centre hole of traveling equalizer; The bottom of supporting leg Connection Block is increased joint through bolt and oil cylinder and is consolidated, and oil cylinder increases joint and is consolidated through bolt and support cylinder; The two ends of traveling equalizer are separately installed with the plane wheel word, and the plane wheel word is connected with running truck mechanism through articulation piece; Be used to drive the traveling equalizer around two ends that turn to oil cylinder that the supporting leg Connection Block is made gyroscopic movement respectively be arranged on the traveling equalizer and be connected with supporting leg Connection Block top hinge ear seat.
2. the traveling cart slewing supporting device of gantry crane for general use according to claim 1; It is characterized in that: the supporting leg Connection Block top in the described slewing supporting device is provided with the ring edge that level extends to the periphery; Below the ring edge, be symmetrically arranged with, be uniformly distributed with four semiaxis arc grooves that match with face of cylinder semiaxis in the upper surface of traveling equalizer to two face of cylinder semiaxis that extend below.
3. the traveling cart slewing supporting device of gantry crane for general use according to claim 2 is characterized in that: described face of cylinder semiaxis is through tie bolt and supporting leg Connection Block concrete mutually, and the periphery of face of cylinder semiaxis employing baffle plate is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102808875A CN102774747A (en) | 2012-08-09 | 2012-08-09 | Steering mechanism for travelling trolley of universal gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102808875A CN102774747A (en) | 2012-08-09 | 2012-08-09 | Steering mechanism for travelling trolley of universal gantry crane |
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| CN102774747A true CN102774747A (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102808875A Pending CN102774747A (en) | 2012-08-09 | 2012-08-09 | Steering mechanism for travelling trolley of universal gantry crane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555724A (en) * | 2015-02-07 | 2015-04-29 | 王卫昌 | Novel rubber-tyred container gantry crane rotation cart mechanism |
| CN106495008A (en) * | 2016-12-29 | 2017-03-15 | 青岛海西重机有限责任公司 | A kind of device for rolling walking mechanism steering during dress for high pedestal jib crane |
| CN110282546A (en) * | 2019-07-09 | 2019-09-27 | 上海振华重工(集团)股份有限公司 | A kind of cart walking mechanism and high pedestal jib crane |
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| CN102408063A (en) * | 2011-12-05 | 2012-04-11 | 郑州新大方重工科技有限公司 | General purpose gantry crane |
| CN202687788U (en) * | 2012-08-09 | 2013-01-23 | 郑州新大方重工科技有限公司 | Large vehicle movement steering mechanism of universal portal crane |
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2012
- 2012-08-09 CN CN2012102808875A patent/CN102774747A/en active Pending
Patent Citations (6)
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| EP1862422A2 (en) * | 2006-05-30 | 2007-12-05 | Costruit S.r.l. | Rubber-tyred gantry crane |
| CN200971290Y (en) * | 2006-10-18 | 2007-11-07 | 郑州市华中建机有限公司 | Steering wheel-track grantries crane |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555724A (en) * | 2015-02-07 | 2015-04-29 | 王卫昌 | Novel rubber-tyred container gantry crane rotation cart mechanism |
| CN106495008A (en) * | 2016-12-29 | 2017-03-15 | 青岛海西重机有限责任公司 | A kind of device for rolling walking mechanism steering during dress for high pedestal jib crane |
| CN106495008B (en) * | 2016-12-29 | 2018-09-18 | 青岛海西重机有限责任公司 | A kind of device rolling walking mechanism steering during dress for high pedestal jib crane |
| CN110282546A (en) * | 2019-07-09 | 2019-09-27 | 上海振华重工(集团)股份有限公司 | A kind of cart walking mechanism and high pedestal jib crane |
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Application publication date: 20121114 |