CN102627229A - Pin shaft connecting structure, assembling and disassembling methods thereof and tower crane - Google Patents
Pin shaft connecting structure, assembling and disassembling methods thereof and tower crane Download PDFInfo
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- CN102627229A CN102627229A CN2012101049887A CN201210104988A CN102627229A CN 102627229 A CN102627229 A CN 102627229A CN 2012101049887 A CN2012101049887 A CN 2012101049887A CN 201210104988 A CN201210104988 A CN 201210104988A CN 102627229 A CN102627229 A CN 102627229A
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- otic placode
- connects
- connection structure
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/283—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
- B66C23/286—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements with locking devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
Abstract
The invention provides a pin shaft connecting structure, assembling and disassembling methods thereof and a tower crane. The pin shaft connecting structure comprises two pin shaft connecting ear plates (10) which are fixedly connected to the end parts of a chord member (50) and are arranged oppositely and connecting pin shafts (20) which are arranged in pin shaft connecting holes of the two pin shaft connecting ear plates (10); each of the two pin shaft connecting ear plates (10) comprises an upper connecting plate (11) arranged at the upside and a lower connecting plate (12) arranged at the downside; the upper connecting plates (11) and the lower connecting plates (12) are respectively transversely connected to the end part of the chord member (50); and the connecting pin shafts (20) are vertically mounted in the pin shaft connecting ear plates (10). According to the pin shaft connecting structure, disclosed by the invention, the height of a cargo boom of the tower crane and transportation cost of the tower crane can be reduced without reducing structural intensity of the pin shaft connecting ear plates.
Description
Technical field
The present invention relates to the vehicle for construction connection structure, in particular to a kind of bearing pin connection structure and Assembly &Disassembly method thereof, tower crane.
Background technology
The bearing pin connection structure has crucial position on the connection structure between each parts of tower crane, can each parts of tower crane be linked together safely and effectively.Because the connection otic placode of bearing pin connection structure is stressed bigger; Therefore; Generally speaking, bearing pin connects otic placode and needs enough thickness and width, to guarantee the structural strength of bearing pin connection structure; Prevent that the bearing pin connection structure from connecting the otic placode damage owing to stressed than the big bearing pin that causes in the process of using, cause the connection structure of tower crane instability to occur.
In order to prevent that bearing pin from connecting otic placode and being damaged greatly because of stressed, the general mode that adopts the width of widening bearing pin connection otic placode and thickness improves the intensity of bearing pin connection structure.As shown in Figure 1, because crane arm arm root joint top boom 50 ' is stressed bigger, therefore; Bearing pin connects the height of the width of otic placode 10 ' much larger than the top boom 50 ' of crane arm, could satisfy top boom 50 ' the bonded assembly requirement of strength of crane arm arm root joint, thus; The height of crane arm significantly increases owing to the increase of the width of bearing pin connection otic placode 10 '; The also corresponding shipping height that increases crane arm is not easy to the transportation of the crane arm of tower crane, increases traffic cost easily.
Summary of the invention
The present invention aims to provide a kind of bearing pin connection structure and Assembly &Disassembly method thereof, tower crane, can not reduce under the situation of structural strength that bearing pin connects otic placode, reduces the height of the crane arm of tower crane, reduces its traffic cost.
To achieve these goals; According to an aspect of the present invention; A kind of bearing pin connection structure is provided; Comprise that two bearing pins that are fixedly connected on the chord member end and are oppositely arranged connect otic placode and are arranged on the interior connection bearing pin of bearing pin connecting bore that two bearing pins are connected otic placode; Two bearing pins connect otic placode and comprise upper junction plate that is arranged on the top and the lower connecting plate that is arranged on the below, and upper junction plate and lower connecting plate laterally are connected the end of chord member respectively, and the connection bearing pin vertically is installed in bearing pin and connects in the otic placode.
Further, the first end end that connects bearing pin is fixedly connected with the baffle plate of the bearing pin that is located by connecting, and baffle plate is connected to bearing pin and connects on the upper junction plate of otic placode.
Further, the bearing pin joint face of baffle plate is provided with positioning convex, and baffle plate is connected on the upper junction plate through positioning convex.
Further, connect on the sidewall of bearing pin and radially be provided with at least one positioning through hole, bearing pin connects on the otic placode and removably is provided with the bearing pin support, connects between bearing pin and the bearing pin support to be connected through the locations that is arranged in the positioning through hole.
Further; The bearing pin support comprises column, be arranged on adapter plate and two the bearing pin locatings plate of relative both sides that are separately positioned on second end of column of first end of column; The bearing pin support is arranged on bearing pin through adapter plate and connects on the otic placode, connects bearing pin and is arranged between two bearing pin locatings plate.
Further, adapter plate connects the attachment face adjustable positions of otic placode along bearing pin.
Further, adapter plate selectively is arranged on upper junction plate upside or the lower connecting plate downside that bearing pin connects otic placode, the bearing pin locating plate comprise be arranged on first end with is connected bearing pin and passes through locations bonded assembly bearing pin mounting hole.
Further; The bearing pin locating plate also comprises the bearing pin positioning groove that is arranged on second end; Positioning through hole comprises first positioning through hole that is positioned at connection bearing pin upside and cooperates with the bearing pin mounting hole; Be positioned at second positioning through hole that is connected the bearing pin downside and cooperates with the bearing pin positioning groove, first positioning through hole is arranged along the axial direction that is connected bearing pin with second positioning through hole.
Further, locations comprises alignment pin that is located in the positioning through hole and the spring pin that is arranged on the end of alignment pin.
According to a further aspect in the invention; A kind of installation method of bearing pin connection structure is provided; The bearing pin connection structure comprises that bearing pin connects otic placode, bearing pin support and is connected bearing pin; This bearing pin connects otic placode and comprises upper junction plate and lower connecting plate, and this bearing pin support comprises column and be separately positioned on first end of column and the adapter plate and the bearing pin locating plate of second end that two bearing pin locatings plate are oppositely arranged; The first end end of this connection bearing pin is fixedly connected with baffle plate, and installation method comprises: the end that two bearing pin engaging lug plate levels is fixedly connected on chord member; The bearing pin support is fixedly installed on the upper junction plate, and will connects bearing pin and be fixedly connected on the bearing pin support; Releasing connection bearing pin is connected with the bearing pin support, makes the connection bearing pin be arranged on bearing pin along vertical direction and connects in the otic placode pin removal bracing strut.
In accordance with a further aspect of the present invention; A kind of method for dismounting of bearing pin connection structure is provided; The bearing pin connection structure comprises that bearing pin connects otic placode, bearing pin support and is connected bearing pin; This bearing pin connects otic placode and comprises upper junction plate and lower connecting plate, and this bearing pin support comprises column and be separately positioned on first end of column and the adapter plate and the bearing pin locating plate of second end that two bearing pin locatings plate are oppositely arranged; The first end end of this connection bearing pin is fixedly connected with baffle plate, and method for dismounting comprises: the bearing pin support is fixedly installed on the lower connecting plate; Remove the baffle plate that connects bearing pin first end, make to connect the bearing pin whereabouts; Second end that will connect bearing pin through attaching parts is positioned on the bearing pin support, and first end that connects bearing pin is arranged in the lower connecting plate.
In accordance with a further aspect of the present invention, a kind of tower crane is provided, has comprised chord member, also comprised above-mentioned any bearing pin connection structure, the bearing pin connection structure is fixedly connected on the chord member.
Use technical scheme of the present invention; The bearing pin connection structure comprises that two bearing pins that are fixedly connected on the chord member end and are oppositely arranged connect otic placode and are arranged on the interior connection bearing pin of bearing pin connecting bore that two bearing pins are connected otic placode; Two bearing pins connect otic placode and comprise upper junction plate that is arranged on the top and the lower connecting plate that is arranged on the below; Upper junction plate and lower connecting plate laterally are connected the end of chord member respectively, connect bearing pin and vertically are installed in the bearing pin connection otic placode.Because bearing pin is connected the otic placode horizontally set; Therefore, the increase of chord member height depends on that bearing pin connects the thickness of otic placode, even because the bigger width that needs to increase bearing pin connection otic placode of bearing pin; Can be not again the whole height of crane arm not be impacted yet; Therefore, can effectively reduce the shipping height of crane arm, reduce the traffic cost of crane arm.
Connect on the sidewall of bearing pin and radially be provided with at least one positioning through hole, bearing pin connects on the otic placode and removably is provided with the bearing pin support, connects between bearing pin and the bearing pin support to be connected through the locations that is arranged in the positioning through hole.The bearing pin support is arranged on bearing pin and connects on the otic placode; Can when the connection bearing pin is installed, make the bearing pin support be arranged on the upside that bearing pin connects otic placode, play a supporting role connecting bearing pin; Alleviate the working strength of operating personal; The weight that connects bearing pin is married again to bearing pin connection otic placode, thereby made aloft work more safe and reliable, more convenient to operate.Equally, at travelling position, after promptly dismounting connects bearing pin; The bearing pin support is arranged on the downside that bearing pin connects otic placode; Second end that will connect bearing pin through attaching parts is positioned on the bearing pin support, and first end that connects bearing pin falls in the lower connecting plate, plays fixation to connecting bearing pin; Alleviate the carrying of operating personal, more guarantee the safety of operating personal.This bearing pin support has increased an auxiliary installation device to bearing pin installation, dismounting and transportation exactly.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the scheme drawing of bearing pin connection structure of the prior art;
Fig. 2 shows the scheme drawing of bearing pin connection structure according to an embodiment of the invention;
Fig. 3 shows the structural representation of the connection bearing pin of bearing pin connection structure according to an embodiment of the invention;
Fig. 4 shows the structural representation of the baffle plate of bearing pin connection structure according to an embodiment of the invention;
Fig. 5 shows the structural representation of looking up according to the baffle plate of Fig. 4;
Fig. 6 shows the structural representation of the bearing pin support of bearing pin connection structure according to an embodiment of the invention;
Fig. 7 shows the plan structure scheme drawing according to the bearing pin support of Fig. 6;
Fig. 8 shows the structural representation of the alignment pin of bearing pin connection structure according to an embodiment of the invention;
Fig. 9 shows the structural representation when the bearing pin connection structure is in installing condition according to an embodiment of the invention; And
Figure 10 shows the structural representation when the bearing pin connection structure is in travelling position according to an embodiment of the invention.
The specific embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
To shown in Figure 10, according to embodiments of the invention, the bearing pin connection structure comprises that bearing pin connects otic placode 10, connects bearing pin 20, bearing pin support 30 like Fig. 2.Two bearing pins connect the end that otic placode 10 is fixedly connected on chord member 50, and the opposing parallel setting.Two bearing pins connect otic placode 10 and comprise upper junction plate 11 that is arranged on the top and the lower connecting plate 12 that is arranged on the below, and upper junction plate 11 is fixedly connected on the chord member 50 with lower connecting plate 12 equal transverse horizontal.On upper junction plate 11 and lower connecting plate 12, be relatively set with the bearing pin connecting bore, connect bearing pin 20 and be arranged in the bearing pin connecting bore on upper junction plate 11 and the lower connecting plate 12.Because bearing pin is connected the otic placode horizontally set; Therefore, the increase of chord member height depends on that bearing pin connects the thickness of otic placode, even because the bigger width that needs to increase bearing pin connection otic placode of bearing pin; Can be not again the whole height of crane arm not be impacted yet; Therefore, can effectively reduce the shipping height of crane arm, reduce the traffic cost of crane arm.
The bearing pin joint face of baffle plate 21 is provided with positioning convex 22, and baffle plate 21 is connected on the upper junction plate 11 through positioning convex 22.Positioning convex 22 can be arranged on a week of bearing pin along the circumferential direction that connects bearing pin 20.In the middle of the present embodiment, baffle plate 21 is a rectangle structure, and positioning convex 22 is the strip bulge on two opposite ends that are arranged on baffle plate 21.The hill height of positioning convex 22 prevents that greater than the chamfering height of first end that connects bearing pin 20 chamfering that connects bearing pin 20 ends falls into stress area when connection bearing pin 20 plays interconnect function, and influence connects the structural strength of bearing pin 20.Simultaneously, positioning convex 22 also can guarantee the planeness of baffle plate 21, thereby guarantees to connect the radial force balance of bearing pin 20.
Connect on the sidewall of bearing pin 20 and radially be provided with at least one positioning through hole, be used for bearing pin support 30 between realize being connected.In the middle of present embodiment; Positioning through hole is included in first positioning through hole 23 and second positioning through hole 24 that in axial direction is provided with respectively on the sidewall that connects bearing pin 20; Wherein first positioning through hole 23 is positioned at the upper end that connects bearing pin 20, and second positioning through hole 24 is positioned at the lower end that connects bearing pin 20.
Bearing pin connects on the otic placode 10 and removably is provided with bearing pin support 30, connects between bearing pin 20 and the bearing pin support 30 to be connected through the locations 40 that is arranged in the positioning through hole.Locations 40 comprises alignment pin 41 and the spring pin 42 that is arranged on alignment pin 41 two ends.Alignment pin 41 is located in the positioning through hole that connects bearing pin 20, positions connecting bearing pin 20.After alignment pin 41 installs, prevent that through the spring pin 42 that is arranged on its two ends alignment pin 41 from coming off, use more safe and reliable.Bearing pin support 30 selectively is arranged on upper junction plate 11 upsides that bearing pin connects otic placode 10, perhaps is arranged on lower connecting plate 12 downsides that bearing pin connects otic placode 10.Bearing pin support 30 is arranged on bearing pin and connects on the otic placode 10, can when connection bearing pin 20 is installed, make bearing pin support 30 be arranged on the upside that bearing pin connects otic placode 10; Connecting 10 pairs of connections of otic placode bearing pin 20 through bearing pin plays a supporting role; Alleviate the working strength of operating personal, the weight that connects bearing pin is married again to bearing pin connection otic placode, thereby made aloft work more safe and reliable; More convenient to operate, effectively raising connects the efficient of the Assembly &Disassembly of bearing pin 20.
Bearing pin support 30 comprises column 31, be arranged on adapter plate 32 and two the bearing pin locatings plate 33 of two opposite sides that are separately positioned on second end of column 31 of first end of column 31; Bearing pin support 30 is arranged on bearing pin through adapter plate 32 and connects on the otic placode 10, connects bearing pin 20 and is arranged between two bearing pin locatings plate 33.Column 31 for example is an angle steel.
Bearing pin locating plate 33 comprises bearing pin mounting hole 331 that is arranged on first end and the bearing pin positioning groove 332 that is arranged on second end; When connection bearing pin 20 is in the preparation installing condition; First positioning through hole 23 that is positioned at first end that connects bearing pin 20 matches with bearing pin mounting hole 331; Connect realization connection between bearing pin 20 and the bearing pin support 30 through 41 pairs of alignment pin, connect bearing pin 20 through 30 pairs on bearing pin support and support, reduced labor intensity of operating personnel; Connect conveniently, aloft work is more safe and reliable.When crane arm is in travelling position; Second positioning through hole 24 that is positioned at second end that connects bearing pin 20 matches with bearing pin positioning groove 332; Second end that will connect bearing pin 20 through alignment pin 41 is fastened in the bearing pin positioning groove 332; And the height of design bearing pin positioning groove 332, make first end that connects bearing pin 20 be positioned at lower connecting plate 12, realize connecting the location of bearing pin 20.At this moment, the baffle plate of connection bearing pin 20 can be arranged in the bolt mounting holes that is used for mount pin bracing strut 30 on the upper junction plate 11.
Down in the face of originally being that the method for application of the bearing pin connection structure in the middle of the strength is explained:
Before crane arm is installed; At first need two bearing pins be connected otic placode 10 (being upper junction plate 11 and lower connecting plate 12) horizontal fixed and be connected the end of chord member 50, then baffle plate 21 is installed in the first end end of bearing pin support 30, bearing pin support 30 is fixedly installed on the upper junction plate 11; And will connect bearing pin 20 and be fixedly connected on the bearing pin support 30; Make alignment pin 41 pass first positioning through hole 23, then spring pin 42 is located in the two ends of alignment pin 41, alignment pin 41 is pinned.
When crane arm is installed; The bearing pin connecting bore that need will carry out the coupling end of two chord members 50 of bonded assembly aligns, and the spring pin 42 of dismantling is then extracted alignment pin 41; Connection bearing pin 20 is fallen in the bearing pin connecting bore; Because the barrier effect of baffle plate 21, connect in the bearing pin connecting bore that bearing pin 20 falls into upper junction plate 11 and lower connecting plate 12, the chord member of both sides is connected together.In second positioning through hole 24 of second end that connects bearing pin 20, alignment pin 41 is set then, and locks through spring pin 42, thus the installation of realization crane arm.
When crane arm need transport, at first to dismantle bearing pin.At this moment, the adapter plate 32 of bearing pin support 30 is arranged on the downside of lower connecting plate 12, then; The spring pin 42 of dismantling pulls out alignment pin 41, dismantles to connect the baffle plate 21 on bearing pin 20 first ends; To connect the bearing pin 20 abates certain altitude that gets off; Second positioning through hole 24 that makes its first end be positioned at lower connecting plate 12, the second ends be in bearing pin locating plate 33 on the position that cooperates of bearing pin positioning groove 332, will be connected bearing pin 20 through alignment pin 41 and spring pin 42 and be positioned on the bearing pin positioning groove 332.Then baffle plate 21 is connected on the upper junction plate 11 through bolt, after this just can carries out the transportation of crane arm.
According to embodiments of the invention, tower crane comprises chord member 50, also comprises above-mentioned any bearing pin connection structure, and this bearing pin connection structure is fixedly connected on the chord member 50.
From above description; Can find out; The above embodiments of the present invention have realized following technique effect: the bearing pin connection structure comprises that two bearing pins that are fixedly connected on the chord member end and are oppositely arranged connect otic placode and are arranged on the interior connection bearing pin of bearing pin connecting bore that two bearing pins are connected otic placode; Two bearing pins connect otic placode and comprise upper junction plate that is arranged on the top and the lower connecting plate that is arranged on the below; Upper junction plate and lower connecting plate laterally are connected the end of chord member respectively, connect bearing pin and vertically are installed in the bearing pin connection otic placode.Because bearing pin is connected the otic placode horizontally set; Therefore, the increase of chord member height depends on that bearing pin connects the thickness of otic placode, even because the bigger width that needs to increase bearing pin connection otic placode of bearing pin; Can be not again the whole height of crane arm not be impacted yet; Therefore, can effectively reduce the shipping height of crane arm, reduce the traffic cost of crane arm.Connect on the sidewall of bearing pin and radially be provided with at least one positioning through hole, bearing pin connects on the otic placode and removably is provided with the bearing pin support, connects between bearing pin and the bearing pin support to be connected through the locations that is arranged in the positioning through hole.The bearing pin support is arranged on bearing pin and connects on the otic placode; Can when the connection bearing pin is installed, make the bearing pin support be arranged on the upside that bearing pin connects otic placode, play a supporting role connecting bearing pin; Alleviate the working strength of operating personal; The weight that connects bearing pin is married again to bearing pin connection otic placode, thereby made aloft work more safe and reliable, more convenient to operate.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. bearing pin connection structure; Comprise that two bearing pins that are fixedly connected on chord member (50) end and are oppositely arranged connect otic placode (10) and are arranged on the interior connection bearing pin (20) of bearing pin connecting bore that two said bearing pins are connected otic placode (10); It is characterized in that; Two said bearing pins connect the lower connecting plate (12) that otic placode (10) comprises the upper junction plate (11) that is arranged on the top and is arranged on the below; Said upper junction plate (11) and said lower connecting plate (12) laterally are connected the end of said chord member (50) respectively, and said connection bearing pin (20) vertically is installed in said bearing pin and connects in the otic placode (10).
2. bearing pin connection structure according to claim 1; It is characterized in that; The first end end of said connection bearing pin (20) is fixedly connected with the baffle plate (21) of the said connection bearing pin in location (20), and said baffle plate (21) is connected to said bearing pin and connects on the upper junction plate (11) of otic placode (10).
3. bearing pin connection structure according to claim 2 is characterized in that, the bearing pin joint face of said baffle plate (21) is provided with positioning convex (22), and said baffle plate (21) is connected on the said upper junction plate (11) through said positioning convex (22).
4. bearing pin connection structure according to claim 2; It is characterized in that; Radially be provided with at least one positioning through hole on the sidewall of said connection bearing pin (20); Said bearing pin connects on the otic placode (10) and removably is provided with bearing pin support (30), is connected through the locations (40) that is arranged in the said positioning through hole between said connection bearing pin (20) and the said bearing pin support (30).
5. bearing pin connection structure according to claim 4; It is characterized in that; Said bearing pin support (30) comprises column (31), be arranged on adapter plate (32) and two the bearing pin locatings plate (33) of relative both sides that are separately positioned on second end of said column (31) of first end of said column (31); Said bearing pin support (30) is arranged on said bearing pin through said adapter plate (32) and connects on the otic placode (10), and said connection bearing pin (20) is arranged between two said bearing pin locatings plate (33).
6. bearing pin connection structure according to claim 5 is characterized in that, said adapter plate (32) connects the attachment face adjustable positions of otic placode (10) along said bearing pin.
7. bearing pin connection structure according to claim 5; It is characterized in that; Said adapter plate (32) selectively is arranged on upper junction plate (11) upside or lower connecting plate (12) downside that said bearing pin connects otic placode (10), said bearing pin locating plate (33) comprise be arranged on first end with the said bearing pin (20) that is connected through said locations (40) bonded assembly bearing pin mounting hole (331).
8. bearing pin connection structure according to claim 6; It is characterized in that; Said bearing pin locating plate (33) also comprises the bearing pin positioning groove (332) that is arranged on second end; Said positioning through hole comprises first positioning through hole (23) that is positioned at said connection bearing pin (20) upside and cooperates with said bearing pin mounting hole (331); Be positioned at said second positioning through hole (24) that is connected bearing pin (20) downside and cooperates with said bearing pin positioning groove (332), said first positioning through hole (23) and second positioning through hole (24) are arranged along the said axial direction that is connected bearing pin (20).
9. bearing pin connection structure according to claim 4 is characterized in that, said locations (40) comprises the spring pin (42) that is located in the alignment pin (41) in the said positioning through hole and is arranged on the end of said alignment pin (41).
10. the installation method of a bearing pin connection structure; The bearing pin connection structure comprises that bearing pin connects otic placode (10), bearing pin support (30) and is connected bearing pin (20); This bearing pin connects otic placode (10) and comprises upper junction plate (11) and lower connecting plate (12); This bearing pin support (30) comprises column (31) and is separately positioned on first end of column (31) and the adapter plate (32) and the bearing pin locating plate (33) of second end, and two bearing pin locatings plate (33) are oppositely arranged, and the first end end of this connection bearing pin (20) is fixedly connected with baffle plate (21); It is characterized in that installation method comprises:
Two bearing pins are connected the end that otic placode (10) horizontal fixed is connected chord member (50);
Bearing pin support (30) is fixedly installed on the upper junction plate (11), and will connects bearing pin (20) and be fixedly connected on the bearing pin support (30);
Releasing connection bearing pin (20) is connected with bearing pin support (30), makes connection bearing pin (20) be arranged on bearing pin along vertical direction and connects in the otic placode (10) pin removal bracing strut (30).
11. the method for dismounting of a bearing pin connection structure; The bearing pin connection structure comprises that bearing pin connects otic placode (10), bearing pin support (30) and is connected bearing pin (20); This bearing pin connects otic placode (10) and comprises upper junction plate (11) and lower connecting plate (12); This bearing pin support (30) comprises column (31) and is separately positioned on first end of column (31) and the adapter plate (32) and the bearing pin locating plate (33) of second end, and two bearing pin locatings plate (33) are oppositely arranged, and the first end end of this connection bearing pin (20) is fixedly connected with baffle plate (21); It is characterized in that method for dismounting comprises:
Bearing pin support (30) is fixedly installed on the lower connecting plate (12);
Remove the baffle plate (21) that connects bearing pin (20) first ends, make to connect bearing pin (20) whereabouts;
Second end that will connect bearing pin (20) through attaching parts is positioned on the bearing pin support (30), and first end that connects bearing pin (20) is arranged in the lower connecting plate (12).
12. a tower crane comprises chord member (50), it is characterized in that, also comprises each described bearing pin connection structure in the claim 1 to 9, said bearing pin connection structure is fixedly connected on the said chord member (50).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104988.7A CN102627229B (en) | 2012-04-11 | 2012-04-11 | Pin shaft connecting structure, assembling and disassembling methods thereof and tower crane |
| PCT/CN2012/082022 WO2013152573A1 (en) | 2012-04-11 | 2012-09-26 | Pin shaft connection structure, mounting and dismounting methods thereof, and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104988.7A CN102627229B (en) | 2012-04-11 | 2012-04-11 | Pin shaft connecting structure, assembling and disassembling methods thereof and tower crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102627229A true CN102627229A (en) | 2012-08-08 |
| CN102627229B CN102627229B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210104988.7A Active CN102627229B (en) | 2012-04-11 | 2012-04-11 | Pin shaft connecting structure, assembling and disassembling methods thereof and tower crane |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102627229B (en) |
| WO (1) | WO2013152573A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352901A (en) * | 2013-07-12 | 2013-10-16 | 中联重科股份有限公司 | Device for demounting hinge pin |
| WO2013152573A1 (en) * | 2012-04-11 | 2013-10-17 | 中联重科股份有限公司 | Pin shaft connection structure, mounting and dismounting methods thereof, and tower crane |
| CN107226422A (en) * | 2017-07-18 | 2017-10-03 | 青岛海西重机有限责任公司 | A kind of single arm support is fixed and hung and arm support hinge installation method |
| CN114837430A (en) * | 2022-04-30 | 2022-08-02 | 上海宝冶集团有限公司 | Method for installing large-scale steel structure limited space pin shaft |
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| CN102530742B (en) * | 2012-03-07 | 2014-03-26 | 中联重科股份有限公司 | Pin shaft connection structure, draw bar and tower crane |
| CN102627229B (en) * | 2012-04-11 | 2015-03-11 | 中联重科股份有限公司 | Pin shaft connecting structure, assembling and disassembling methods thereof and tower crane |
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| US3968884A (en) * | 1974-12-20 | 1976-07-13 | Harnischfeger Corporation | Storage means for jib for telescopic boom of mobile crane |
| JPS57181789U (en) * | 1981-05-09 | 1982-11-18 | ||
| EP0533323A1 (en) * | 1991-07-25 | 1993-03-24 | The Manitowoc Company, Inc. | Quick-connect sectional boom members for cranes and the like |
| CN201971549U (en) * | 2011-01-30 | 2011-09-14 | 中建三局第二建设工程有限责任公司 | Main beam for suspended support system for tower crane |
| CN202542748U (en) * | 2012-04-11 | 2012-11-21 | 中联重科股份有限公司 | Pin shaft connecting structure and tower crane |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013152573A1 (en) * | 2012-04-11 | 2013-10-17 | 中联重科股份有限公司 | Pin shaft connection structure, mounting and dismounting methods thereof, and tower crane |
| CN103352901A (en) * | 2013-07-12 | 2013-10-16 | 中联重科股份有限公司 | Device for demounting hinge pin |
| CN103352901B (en) * | 2013-07-12 | 2015-10-14 | 中联重科股份有限公司 | Detaching device for pin shaft |
| CN107226422A (en) * | 2017-07-18 | 2017-10-03 | 青岛海西重机有限责任公司 | A kind of single arm support is fixed and hung and arm support hinge installation method |
| CN107226422B (en) * | 2017-07-18 | 2018-12-21 | 青岛海西重机有限责任公司 | A kind of single arm support is fixed to be hung and cantilever crane hinge installation method |
| CN114837430A (en) * | 2022-04-30 | 2022-08-02 | 上海宝冶集团有限公司 | Method for installing large-scale steel structure limited space pin shaft |
| CN114837430B (en) * | 2022-04-30 | 2023-12-15 | 上海宝冶集团有限公司 | Installation method of large-scale steel structure limited space pin shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013152573A1 (en) | 2013-10-17 |
| CN102627229B (en) | 2015-03-11 |
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