CN100476074C - Bracket for precast concrete beam bridge and the installation method using the same - Google Patents
Bracket for precast concrete beam bridge and the installation method using the same Download PDFInfo
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- CN100476074C CN100476074C CNB038138026A CN03813802A CN100476074C CN 100476074 C CN100476074 C CN 100476074C CN B038138026 A CNB038138026 A CN B038138026A CN 03813802 A CN03813802 A CN 03813802A CN 100476074 C CN100476074 C CN 100476074C
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Abstract
The present invention relates to a construction bracket for PC beam bridge and an installation method thereof. More concretely relates to a construction bracket structure for PC beam bridges of the invention can be assembled over PC beams and then completed in lower portions of PC beams through simple assembly and installation in order to relieve a worker from a risk of working at height. The construction bracket structure includes a pair of support members having a generally reversed T configuration and each including a vertical section and a horizontal section, fixing frames, a connecting member and a pair of movable devices, or fixing pins. Each of the movable devices may comprise one of a flag-type device, a modified flag-type device, a Y-shaped device, a modified Y-shaped device, a linear device and a nut-type device.
Description
Technical field
The present invention relates to the PC beam bridge with erection bracket with and method to set up.In more detail, in PC beam bridge beam engineering only with simple assembling be provided with and just finish support and set up in PC beam bottom, the assembling of above-mentioned erection bracket and the top that is arranged on the PC beam carry out and the PC beam bridge usefulness erection bracket of getting rid of the operator's danger that causes because of work high above the ground with and method to set up.
Background technology
Setting dull and stereotyped erection method on the bridge pier top of building in the general bridge engineering is the form of considering bridge, site terrain, antenna height, the traffic behavior of bridge bottom, various composite factors such as air and operating expenses and selecting.
The worker's method of setting up of superstructure thing is set in the past, main be suitable for overhead bridge pier that brace summer is set between the bridge pier of having built and bring into use system support etc. to be provided with after the trestle from domain, bridge pier bottom in order to set flat board the trestle worker method of casting mold is set at an upper portion thereof, the timber trestle worker method of timber trestle is set on bridge pier top, perhaps uses the trestle instrument of mechanization and the traveling stage worker method of a big and heavy stone distance of the disposable construction of casting mold etc.
But the trestle worker method that trestle is set from domain, bridge pier bottom is, antenna height one higher position needs a lot of materials and manpower along with generation is guaranteed that overhead clearance with trestle and casting mold irrelevant operating space protrusion in order to ensure the operator is set and carries out tying down from the side the scaffold work that short tube and setting operation sole or safety net etc. set up material in advance after the reinforcing bar on beam top is connected iron wire for setting up the problem in space.
On the other hand, worker's method that the timber trestle is set be between beam and the beam at a certain distance the setting operation platform and dull and stereotyped after carry out with the mode of veneer assembling plate casting mold, the good preliminary expenses of timber trestle processability is cheap but be provided with repeatedly and damaged easily and engineering cost is set up in its result's increase of reduction exclusive usage rate during disassembling section.
And, need not trestle to be set and be not subjected to the condition of overhead clearance or domain lamp and can construct but the complicated Large-Scale Equipment that must drop into of setting operation in traveling stage worker method, setting up worker's method and can not be suitable for as the repair and maintenance bridge from the domain.
This present inventor is solved traditional problem and in PC beam bottom trestle is set simply, operation sole or safety net, make and the outstanding operation that realizes having economy of exclusive usage rate of steel, invented No. 245284 PC beam bridge erection bracket of Republic of Korea's registration utility model in the operation in order to be applicable to setting up of repair and maintenance bridge, but above-mentioned PC beam bridge can only carry out the setting operation of erection bracket in the bottom of PC beam with support, and along with cause because of high-altitude application dangerous and be difficult to guarantee operator's safety, use other equipment therefore to press for the equipment development that solves these when stringer is set.
Summary of the invention
The present invention invents in order to solve as above-mentioned problem, its purpose only is to provide in the PC beam bridge beam engineering of high-altitude application difficulty simply to be assemblied in PC beam bottom and finishes and set up frame, above-mentioned setting up is provided with trestle above the frame, safety net or operation sole and carry out easily dull and stereotyped concrete set and the PC beam bridge of bridge repair and maintenance with erection bracket with and method to set up.
And other purpose of the present invention be to provide the PC beam bridge with erection bracket assembling and be arranged on PC beam top and carry out, therefore need not to construct for the PC beam bridge of getting rid of the dangerous and operator's safety of attempting that causes because of high-altitude application in addition thing being set of PC beam bottom operation with erection bracket with and method to set up.
In order to realize that as above-mentioned purpose PC beam bridge of the present invention comprises with erection bracket:
A pair of support member, the global shape of each described support member are the pipe fitting of contrary T font, comprise that the vertical component effect that forms continuously through the rake of oblique bending with above-mentioned rake and above-mentioned rake and vertical component effect form the vertical member of guide strip; And comprise and above-mentioned vertical member forms the right angle, and on top and bottom surfaces form the horizontal element of engagement groove to above-mentioned rake opposition side;
Be inserted in the pipe fitting of the horizontal element of above-mentioned a pair of support member, provide a plurality of combined holes by the connector that connects up and down and at a certain distance; And
Be located at above-mentioned a pair of support member and connector and by a pair of mobile device of move left and right support member.
And the present invention be provided with as above-mentioned PC beam bridge with the method for erection bracket, when the bridge pier of finishing bridge being provided and the PC beam being set on bridge pier top,
Assemble the stage of PC beam bridge of the present invention with erection bracket on PC beam top;
The PC beam bridge of above-mentioned assembling is tilted to PC beam bottom and makes the stage that is positioned at above-mentioned PC beam with erection bracket; And
Above-mentioned PC beam bridge is combined closely in the stage of PC beam bottom with erection bracket.
Description of drawings
Fig. 1 utilizes the front view of PC beam bridge of the present invention with the flag type mobile device object lesson of erection bracket.
Fig. 2 utilizes the oblique view of PC beam bridge of the present invention with the flag type mobile device object lesson of erection bracket.
Fig. 3 utilizes the oblique view (a) of PC beam bridge of the present invention with the distortion flag type mobile device object lesson of erection bracket, front view (b), and plan view (c).
Fig. 4 utilizes the oblique view (a) of PC beam bridge of the present invention with " Y " font mobile device object lesson of erection bracket, front view (b), and plan view (c).
Fig. 5 utilizes the oblique view (a) of PC beam bridge of the present invention with distortion " Y " the font mobile device object lesson of erection bracket, front view (b), and plan view (c).
Fig. 6 utilizes the oblique view (a) of PC beam bridge of the present invention with the yi word pattern mobile device object lesson of erection bracket, front view (b), and plan view (c).
Fig. 7 utilizes the oblique view (a) of PC beam bridge of the present invention with the nut type mobile device object lesson of erection bracket, front view (b), and plan view (c).
Fig. 8 utilizes the oblique view in conjunction with pin object lesson (a) of PC beam bridge of the present invention with erection bracket, front view (b), and plan view (c).
Fig. 9 is the example oblique view of diagram PC beam bridge of the present invention with the state that is provided with of erection bracket.
Figure 10 is diagram PC beam bridge of the present invention another example front view with the state that is provided with of erection bracket.
Figure 11 is the plan view of diagram PC beam bridge of the present invention with the support member engagement groove state of erection bracket.
＜reference numeral explanation 〉
100,100 ': PC beam bridge erection bracket 110: support member
111: vertical member 111a: guide strip
112: engagement groove horizontal element 112a:(horizontal element)
112b: screw thread 120,120a: fixed mount
The 121:(fixed mount) engagement groove combined hole 122:(fixed mount)
130: connector 130a: vertical connector
131: combined hole 140: mobile device
141: flag type mobile device 141 ': the flag type mobile device of distortion
141a:(flag type) engagement groove 141b:(flag type, the flag type of distortion)
Steady pin
141c:(flag type) fixed head 141c ': (the flag type of distortion) fixed head
141d:(flag type, the flag type of distortion) hold-down bars
The flag type of 141e:(distortion) connecting hole 142: nut type mobile device
142a:(nut type mobile device) nut fixed bar 142b:(nut type mobile device)
144: " Y " font mobile device 144 ': " Y " font mobile device of distortion
144a:(" Y " font) fixed mount 144a ': (" Y " font of distortion) fixed mount
144b:(" Y " font) engagement groove 144c:(" Y " font) fixed bar
144c ': (" Y " font of distortion) fixed bar
144d:(" Y " font, " Y " font of distortion) connecting hole
144e:(" Y " font) " Y " font of steady pin 144g:(distortion) through hole
" Y " font of 144h:(distortion) hook 145: yi word pattern mobile device
The 145a:(yi word pattern) connecting hole fixed bar 145b:(yi word pattern)
The 145c:(yi word pattern) pitman through hole 145d:(yi word pattern)
150: in conjunction with pin
The specific embodiment
Following with reference to accompanying drawing with the present invention of embodiment according to the present invention more detailed description.
Fig. 1 to Fig. 8 is the oblique view of PC beam bridge of the present invention with erection bracket 100,100 ' instantiation, front view and plan view, comprise a pair of support member 110 with erection bracket 100 as Fig. 1 to PC beam bridge of the present invention shown in Figure 7, the global shape of each support member is contrary T font pipe fitting, comprises that the vertical component effect that forms continuously through the rake of oblique bending with above-mentioned rake and above-mentioned rake and vertical component effect form the vertical member 111 of guide strip 111a; And comprise and above-mentioned vertical member 111 forms right angles, and on top and bottom surfaces form the horizontal element 112 of engagement groove 112a to above-mentioned rake opposition side; Be inserted in the pipe fitting of the horizontal element 112 of above-mentioned a pair of support member 110, by a plurality of combined holes 131 by up and down and the connector 130 that connects at a certain distance; And be located at above-mentioned a pair of support member 110 and connector 130 and constitute by a pair of mobile device 140 of move left and right support member 110, or PC beam bridge of the present invention as shown in Figure 8 comprises a pair of support member 110 with erection bracket 100 ', the global shape of each support member is contrary T font pipe fitting, comprises that the vertical component effect that forms continuously through the rake of oblique bending with above-mentioned rake and above-mentioned rake and vertical component effect form the vertical member 111 of guide strip 111a; And comprise and above-mentioned vertical member 111 forms right angles, and on top and bottom surfaces form the horizontal element 112 of engagement groove 112a to above-mentioned rake opposition side; Along two Square consisting of two isosceles right-angled triangles that form in conjunction with periphery of the vertical member 111 of above-mentioned support member 110 and horizontal element 112, the steady pin 141b that the opposition side to above-mentioned support member rake is connected above-mentioned two Square consisting of two isosceles right-angled triangles upper ends is inserted in the fixed mount 120 of combined hole 121; Be inserted in the pipe fitting of the horizontal element 112 of above-mentioned a pair of support member 110, by a plurality of combined holes 131 by up and down and the connector that connects at a certain distance; And be inserted in secure bond pin 150 on combined hole 131 position contacting of the horizontal element 112 engagement groove 112a of above-mentioned support member 110 and connector 130; Constitute.Above-mentioned PC beam bridge is combined closely at the weak effect of PC beam 2 a bit with erection bracket 100 than aforesaid PC beam bridge with erection bracket 100 ', but construction is simple easily, selects use also harmless at above-mentioned PC beam bridge in erection bracket 100,100 ' during construction.
The horizontal element 112 of at this moment above-mentioned a pair of support member 110 and connector 130 are also harmless as the words Any shape of the form that cornue or round tube etc. is suitable for constructing.
And when the guide strip 111a that the rake of the vertical member 111 of the above-mentioned a pair of support member 110 of process and vertical component effect form is provided with above-mentioned PC beam bridge with erection bracket 100 on the lower flange of PC beam 2, in the location of the flange guiding PC of PC beam 2 beam bridge, strengthen the vertical member 111 of PC beam bridge with erection bracket 100 with erection bracket 100.
And be formed on the horizontal element 112 of above-mentioned a pair of support member 110 engagement groove 112a as shown in figure 11, it is easy that the shape that changes the engagement groove (b) of the engagement groove (a) of horizontal element upper side and bottom surfaces makes it hold-down bars 141d and fixed bar 144c, the 144c ' of mobile device 141,141 ', 144,144 ', 145 described later, 145a inserts.Select illustrated (a), (b) determine the shape of above-mentioned horizontal element 112 engagement groove 112a after the engagement groove 112a of shape or other shapes.
And the rake angle of the vertical member 111 of above-mentioned a pair of support member 110 is according to the size and the form change of PC beam.
PC beam bridge of the present invention with erection bracket 100 with and method to set up when setting operation sole etc. sets up thing on bridge, in order to solve the construction problem that brings because of the crossbeam that is formed between the beam, promptly the sole in the beam bottom is provided with problem etc. as shown in Figure 9, vertical connector 130a is set on the vertical member 111 of above-mentioned a pair of support member 110 continuously, between the vertical connector 130a of above-mentioned a pair of support member 110 by being horizontally disposed with pipe fitting, setting operation sole etc. and overcome the construction problem that crossbeam causes at an upper portion thereof.And as above-mentioned construction vertical connector 130a is set the PC beam bridge with erection bracket 100 and at the easy setting operation sole in beam bottom etc., and the PC beam bridge is also easy with the disassembling section of erection bracket 100 after finishing construction.At this moment the setting that PC beam bridge of the present invention is selected above-mentioned vertical connector 130a according to the construction site situation with erection bracket 100 whether.
The above-mentioned mobile device 140 that utilizes with erection bracket 100 at PC beam bridge of the present invention is divided into flag type mobile device 141 according to shape, the flag type mobile device 141 ' of distortion, " Y " font mobile device 144, " Y " font mobile device 144 ' of distortion, yi word pattern mobile device 145 and nut type mobile device 142.
Flag type mobile device 141 is as Fig. 1 and shown in Figure 2, connects the combined hole 131 of the engagement groove 112a of above-mentioned support member 110 and connector 130 and by the hold-down bars 141d that moves up and down; As the plate that is formed on said fixing rod 141d upper side, fixed head comprises the engagement groove 141a that forms by diagonal and is formed on the connecting hole 141e of above-mentioned engagement groove 141a upper end opposition side; And be positioned at said fixing plate 141c about, form two Square consisting of two isosceles right-angled triangles along the vertical member 111 of above-mentioned support member 110 and horizontal element 112 in conjunction with periphery, comprise that steady pin 141b that opposition side to above-mentioned support member rake connects above-mentioned two Square consisting of two isosceles right-angled triangles upper ends is inserted in the mobile device 141 of the fixed mount 120 of combined hole 121, when moving up and down above-mentioned flag type mobile device 141, move by diagonal along the steady pin 141b of the engagement groove 141a fixed mount 120 of said fixing plate 141c and to make it vertical member 110 and move to the left and right.
At this moment, the fixed head 141c of above-mentioned mobile device 141 and hold-down bars 141d and fixed head 141c ' described later and hold-down bars 141d, fixed bar 144c, 144c ', 145a have certain deadweight, and move the perpendicular mobile device 141 ', 144,144 ' in above-mentioned flag type mobile device 141 and back, at 145 o'clock, move to the bottom direction easily, and the move left and right of above-mentioned support member 110 is also carried out easily.
And replace as above-mentioned flag type mobile device 141 as shown in Figure 3, global shape is the flag shape, connect the engagement groove 112a of above-mentioned support member 110 and connector 130 combined hole 131 and by the hold-down bars 141d that moves up and down; As the plate that is formed on said fixing rod 141d upper side, comprise the hold-down bars 141d upper end that is formed on above-mentioned plate connecting hole 141e and, form the fixed head 141c ' of combined hole by the diagonal of above-mentioned connecting hole 141e; And be positioned at said fixing plate 141c ' about, along the vertical member 111 of above-mentioned support member 110 and horizontal element 112 form two Square consisting of two isosceles right-angled triangles in conjunction with periphery, utilize steady pin 141b to form the fixed mount of the engagement groove 122 that combines with said fixing plate 141c ' combined hole by diagonal; The flag type mobile device 141 ' of the distortion that constitutes also can use.
And when the flag type mobile device 141 ' of above-mentioned flag type mobile device 141 and distortion is combined closely above-mentioned support member 110 in the flange lower side of PC beam 2, described later most advanced and sophisticated the processing of hook form be provided with in the connecting hole 141e that rod (not shown) is inserted into said fixing plate 141c, 141c ' and by move up and down this be provided with excellent and above-mentioned a pair of support member 100 by about be moved and rather closely be fixed on the above-mentioned PC beam 2.
The common bridge that the flange at the flag type mobile device 141 ' both ends of above-mentioned flag type mobile device 141 and distortion keeps identical gradient and forms taper is with device also applicatory under any cross section state of PC beam 2, and on the PC beam 2 than " Y " described later font mobile device 144, " Y " font mobile device 144 ' of distortion, yi word pattern mobile device 145 and nut type mobile device 142 more effectively more safely fixedly install above-mentioned support member 110.
" Y " font mobile device 144 that PC beam bridge of the present invention uses with erection bracket as shown in Figure 4, global shape is " Y " font, form the connecting hole 144d that connects in the upper end, the combined hole (not shown) that the steady pin 144e that formation connects below above-mentioned connecting hole 144d inserts, the combined hole 131 that connects the engagement groove 112a of above-mentioned support member 110 and connector 130 is by the fixed bar 144c that moves up and down; And connect the upper end cut of said fixing bar 144c and press the oblique line setting, one side tip-tilt also contacts vertical member 111 rakes of above-mentioned support member 110 and fixes, the opposite side tip is fixed on the horizontal element 112, the tip of above-mentioned inclination forms a certain size through hole 144g, utilize the notch 144b of the combined hole (not shown) of said fixing bar 144c and steady pin 144e combination to be formed on the mobile device of fixed mount 144a by length direction, above-mentioned " Y " font mobile device 144 inserts on the connecting hole 144d of above-mentioned mobile device 144 and described laterly rod (not shown) is set and by moving up and down, said fixing bar 144c along the notch 144b of fixed mount 144a move by diagonal and above-mentioned support member 110 by move left and right.
And replace above-mentioned " Y " font mobile device 144 as shown in Figure 5 global shape for " Y " font, the combined hole (not shown) that the steady pin 144e that form to connect in the upper end is inserted into, the combined hole 131 that connects the engagement groove 112a of above-mentioned support member 110 and connector 130 is by the fixed bar 144c that moves up and down; Be formed at the upper outside of said fixing bar 144c, it is two most advanced and sophisticated and be separately fixed at hook 144h outside above-mentioned " Y " font fixed bar 144d that the steady pin 144e of said fixing bar 144c connects; And connect the upper end cut of said fixing bar 144d and press the oblique line setting, one side tip-tilt also contacts vertical member 111 rakes of above-mentioned support member 110 and fixes, the opposite side tip is fixed on the horizontal element 112, and the tip of above-mentioned inclination forms the fixed mount 144a ' of a certain size through hole 144g; " Y " font mobile device 144 ' of the distortion that constitutes also can use.At this moment above-mentioned vertical member 111 is worked to strengthen because of vertical member 111 rakes that the fixed mount 144a ' that tilts is fixed on above-mentioned support member 110 in an above-mentioned side tip.And " Y " font mobile device 144 ' of above-mentioned distortion is different with above-mentioned " Y " font mobile device 144, insert the rod (not shown) that is provided with described later in the through hole 144g of said fixing frame 144a ', that lifts above-mentioned insertion is provided with rod (not shown) and by " Y " font mobile device 144 ' that moves up and down above-mentioned distortion, above-mentioned a pair of support member is the device by move left and right, than the 144 easier insertions of aforesaid " Y " font mobile device rod (not shown) is set.And be formed on also to hang on the hook 144h of said fixing bar 144c ' upper outside and described laterly rod (not shown) is set and is provided with and dismantles " Y " font mobile device 144 ' of above-mentioned distortion easily, as long as above-mentioned hook 144h is arc as shown in the figure or other can hang that to put the rod Any shape also harmless.
And yi word pattern mobile device 145 as shown in Figure 6, and the most advanced and sophisticated connecting hole 145b that connects that forms of a side forms the upper board of wearing through hole 145c by oblique line on the certain position below above-mentioned connecting hole 145b; And with the bottom of above-mentioned upper board combine and connect the engagement groove 112a of above-mentioned support member 110 and connector 130 combined hole 131 and by the bottom rod that moves up and down; The fixed bar 145a that constitutes; And be fixed on the vertical member 111 of above-mentioned support member 110 and the pitman 145d of horizontal element 112 by oblique line by each tip of through hole 145c of said fixing bar 145a; Constitute, the above-mentioned as described above support member 110 of above-mentioned yi word pattern mobile device 145 is combined closely when the flange lower side of PC beam 2, in the said fixing bar 145a connecting hole 145b rod (when not scheming) is set by moving up and down to be inserted in, and said fixing bar 145a moves by diagonal and above-mentioned a pair of support member 100 closely is fixed on the above-mentioned PC beam 2 by move left and right along pitman 145d.
And above-mentioned nut type fastening devices 142 as shown in Figure 7, contacts the fixed bar 142a that inserts on the position of the horizontal element 112 engagement groove 112a of above-mentioned support member 110 and connector 130 combined holes 131; Along the vertical member 111 of above-mentioned support member 110 and two Square consisting of two isosceles right-angled triangles in conjunction with periphery formation of horizontal element 112; The steady pin 141b that formation connects above-mentioned two Square consisting of two isosceles right-angled triangles upper ends to the rake opposition side of above-mentioned support member 110 is inserted in the fixed mount 120 of combined hole 121; And between said fixing bar 142a and support member 110 and the nut 142b of the band handle of combination; Nut type mobile device 142, the horizontal element 112 that above-mentioned nut 142b follows support member 110 during by move left and right support member 110 also by move left and right.At this moment above-mentioned nut type fastening devices 142 is also utilized and rod (not shown) swivel nut 142b is set is finally made support member 110 by move left and right.
And form the nut 142b of band handle on the horizontal element 112 of the above-mentioned support member 110 that uses when utilizing above-mentioned nut type mobile device 142 and can move by spiral.And form single plate at drawing said fixing frame 120b, but said fixing frame 120b forms with upper plate with one according to the flag type mobile device 141 ' of the situation of construction site such as above-mentioned flag type mobile device 141 or distortion.
When above-mentioned PC beam bridge is located at PC beam 2 with erection bracket 100, select to construct after the above-mentioned mobile device 141,141 ', 142,144,144 ', 145 according to condition of construction.
And PC beam bridge of the present invention with erection bracket 100 utilize be provided with rod (not shown) side tip in order to "
" hook portion of font bending and opposite side most advanced and sophisticated with ring rod that has handle or reinforcing bar etc. by moving up and down above-mentioned mobile device 140 (flag type mobile device; the flag type mobile device of distortion; " Y " font mobile device; " Y " font mobile device of distortion, yi word pattern mobile device) or being used in rotation fixing (nut type mobile device).
Fig. 9 illustrates the oblique view of PC beam bridge of the present invention with erection bracket 100 states is set on the PC beam 2 of bridge briefly, utilize PC beam bridge of the present invention to comprise the bridge pier 1 of finishing bridge and after bridge pier 1 top is provided with PC beam 2, in the stage of PC beam 2 tops assembling PC beam bridge with erection bracket 100 with the method to set up of erection bracket 100; The PC beam bridge of above-mentioned assembling is tilted to PC beam 2 bottoms and makes the stage that is positioned at above-mentioned PC beam 2 with erection bracket 100; And utilize mobile device 100 that above-mentioned PC beam bridge is combined closely in the stage of PC beam 2 bottoms with erection bracket 100;
Below utilizing PC beam bridge of the present invention is as follows with the object lesson of erection bracket 100 methods to set up, following mobile device 140 flag type mobile device 141 as standard declaration.
After the PC beam bridge is finished the engineering of substructure thing bridge pier, PC beam 2 is set at a certain distance, begins to carry out for setting the operation of setting up of said structure thing concrete flat slab on bridge pier 1 top.
Above-mentioned PC beam bridge is inserted into 112 li of the horizontal elements of a pair of support member 110 on the top of the above-mentioned bridge pier 1PC beam of finishing 2 with the connector 130 of erection bracket 100.Insert on the position that the combined hole 131 of after this above-mentioned connector 130 and the horizontal element of support member 110 112 engagement groove 112a run into mutually after the hold-down bars 141d of above-mentioned mobile device 141, insert steady pin 141b on the position that fixed mount 120 combined holes 121 of above-mentioned mobile device 141 and the engagement groove 141a of fixed head 141c run into mutually and make it to carry out and combination.The hold-down bars 141d of at this moment above-mentioned mobile device 141 considers the suitable spacing decision insertion position of above-mentioned PC beam 2, be inserted in the engagement groove 141a of the combined hole 121 of said fixing frame 120 and fixed head 141c steady pin 141b in conjunction with the time stay engagement groove 141a along said fixing plate 141c by combination after the space that moves up and down.Under the state that result such as Fig. 1 and Fig. 2 mobile device 141 get on toward above, the steady pin 141b of fixed mount 120 is positioned at the engagement groove 141a bottom of fixed head 141c, the and then decline of mobile device 141, the engagement groove 141a of said fixing plate 141c presses the face diagonal direction to steady pin 141b as standard and moves, and above-mentioned thus a pair of support member 110 is by move left and right.The amount of movement of mobile device 141 is according to the decision of the engagement groove 141a horizontal length of fixed head 141c as a result, and according to the length of the horizontal element 112 engagement groove 112a of its amount of movement design support member 110, combined hole 131 spacings of connector 130 also should be adjusted.
And as the PC beam bridge of above-mentioned assembling is when being located at beam 2 with erection bracket 100, for solve the construction problem that the above-mentioned crossbeam that beam 2 is set causes and carry out the diagnosis of the existing bridge that upper plate forms easily or repair and maintenance as shown in figure 10, on a pair of support member 110 vertical members 111 of above-mentioned PC beam bridge with erection bracket 100 vertical connector 130a is set continuously.Above-mentioned PC beam bridge is provided with the pipe fitting of putting by level with being provided with on the erection bracket 100 after the vertical connector 130a between the vertical connector 130a, its top place operation sole etc. and be provided with easily in the beam bottom and dismounting PC beam bridge with erection bracket 100.The setting that select to be suitable for above-mentioned vertical connector 130a according to condition of construction whether.
The a pair of PC beam bridge of above-mentioned assembling after this with erection bracket 100 being provided with in the connecting hole 141e that rod (not shown) is inserted into said fixing plate 141c and considering spacing between the both sides PC beam 2, tilt to after the bottom surfaces of above-mentioned PC beam 2, utilize the guide strip 111a of support member 110 to make above-mentioned PC beam 2 vertical mutually with erection bracket 100 with the PC beam bridge.At this moment the guide strip 111a guiding PC beam bridge that is formed on the vertical member 111 of above-mentioned a pair of support member 110 is positioned at the appropriate location and increases contact surface with erection bracket 100, consolidation is combined closely with above-mentioned PC beam 2, and guide strip 111a plays vertical member 111 stiffeners.The vertical component effect that to be above-mentioned guide strip 111a concentrate along load and the crooked position of rake form and guide strip 111a strengthens crooked position.
Replace above-mentioned flag type mobile device to use and be positioned at hold-down bars 141d; Make it that steady pin 141b is inserted into inside and the fixed head 141c ' that wears combined hole (not shown) with the diagonal that connects connecting hole 141e above it and above-mentioned connecting hole 141e as the parts on the plate; And the fixed mount 120a that utilizes said fixing pin 141b to form by oblique line directions in conjunction with the engagement groove 122 of above-mentioned combined hole; Method construction also same as described above in the time of the distortion flag type mobile device that constitutes 141 '.
When replacing above-mentioned flag type mobile device 141 to use " Y " font mobile devices 144 or yi word pattern mobile device 145 also, the locational fixed bar 144c that the engagement groove 112a of above-mentioned support member 110 and the combined hole 131 of connector 130 are run into mutually, 145a connecting hole 144d, insert in the 145b be provided with rod (not shown) afterwards as the method to set up of above-mentioned flag type mobile device 141 above-mentionedly rod (not shown) is set and moves said fixing bar 144c by moving up and down along the fixed mount 144a notch 144b of above-mentioned " Y " font mobile device 144 or the pitman 145d of yi word pattern mobile device 145,145a makes it above-mentioned a pair of support member 110 by move left and right.At this moment " Y " font mobile device 144 is the through hole 144g construction that rod (not shown) can be inserted into said fixing frame 144a is set.Below other job practicess identical with the job practices of above-mentioned flag type fastening devices 141.
But, when using " Y " font mobile device 144 ' of distortion above-mentioned the setting in the through hole 144g that rod (not shown) is inserted into said fixing frame 144a ' lifted the above-mentioned rod (not shown) that is provided with by moving up and down, and making above-mentioned a pair of support member 110 by move left and right, said fixing bar 144c ' is subjected to fixed bar 144c ' deadweight and above-mentionedly the mobile of rod (not shown) is set and impact that cause is moved by diagonal along said fixing frame 144a '.And the hook 144h of " Y " font of above-mentioned distortion east device 144 ' also can hang up to state and rod (not shown) is set moves and make it above-mentioned mobile device 144 ' and support member 110 moves easily.At this moment above-mentioned hook 144h not only also uses when the PC beam bridge is set with erection bracket 100 easy uses but also in dismounting easily.Below other job practicess identical with the job practices of above-mentioned flag type fastening devices 141.
And replace above-mentioned mobile device 141,141 ', 144,144 ', during 145 use nut type mobile devices 142, on the position that the combined hole 131 of above-mentioned connector 130 and the horizontal element of support member 110 112 engagement groove 112a run into mutually, the spacing of considering above-mentioned PC beam 2 is inserted after the nut 142b have handle and the fixed bar 142a combined hole of fixed mount 141c and is inserted the above-mentioned rods (not shown) that are provided with for 121 li and make above-mentioned nut type mobile device 142 drop to the bottom surfaces of PC beam 2.After this combined hole 121 taking-ups at said fixing frame 141c are provided with rod (not shown) afterwards, use above-mentionedly rod (not shown) rotation to be set in conjunction with the nut 142b that has handle that is inserted in 130 li of above-mentioned support member 110 and connectors, below other job practicess identical with above-mentioned flag type fastening devices 141.
And when PC beam bridge of the present invention is set with erection bracket 100 ', as described in above-mentioned PC beam bridge usefulness erection bracket 100, after above-mentioned a pair of support member 110 and connector 130 are assembled in the PC of bridge pier 1 beam 2 tops, on the position that the engagement groove 112a of above-mentioned support member 110 and the combined hole 131 of connector 130 are run into mutually, consider that the spacing between the above-mentioned PC beam 2 is inserted secure bond pin 150.After this inserting above-mentioned making after rod (not shown) drops to above-mentioned PC beam bridge PC beam 2 with erection bracket 100 ' bottom surfaces is set in the connecting hole 141e of the fixed mount 141c of erection bracket 100 ' at above-mentioned PC beam bridge is positioned on the appropriate location.At this moment above-mentioned PC beam bridge also can be provided with above-mentioned vertical connector 130a with erection bracket 100 ', and following method to set up is identical with erection bracket 100 with above-mentioned PC beam bridge.
The repair and maintenance operation or the above-mentioned length that rod (not shown) is set of dismounting shortening that form upper plate are then carried out operation with lever at bridge pier, or carry out the PC beam bridge on the sole that has been provided with on the pipe fitting top between the above-mentioned vertical connector 130a when having formed vertical connector 130a on the above-mentioned vertical member 111 with erection bracket 100,100 ' dismounting is dismantled with the opposite sequence of above-mentioned method to set up.
Industrial applicability
PC beam bridge according to the present invention with erection bracket with and method to set up only provide in the PC beam bridge beam engineering of work high above the ground difficulty with simple assembling and be arranged on PC beam bottom and finish erection bracket and above the above-mentioned erection bracket trestle is set, safety net or operation sole make it the scaffold setting carry out easily dull and stereotyped concrete set and the PC beam bridge of bridge repair and maintenance with erection bracket with and method to set up.
And PC beam bridge according to the present invention is different from the conventional art that carries out operation in PC beam bottom for setting up of trestle etc. with the setting of erection bracket, All Jobs carries out on the top of PC beam, for the bottom operation of PC beam thing is set in addition and need not to construct, the expense that economizes in raw materials is got rid of the dangerous and operator's that attempts who causes because of work high above the ground safety.
Claims (11)
1, a kind of PC beam bridge erection bracket is characterized in that described support comprises:
A pair of support member, the global shape of each described support member are contrary T font pipe fitting, comprise that the vertical component effect that forms continuously through the rake of oblique bending with above-mentioned rake and above-mentioned rake and vertical component effect form the vertical member of guide strip; And comprise and above-mentioned vertical member forms the right angle, and on top and bottom surfaces form the horizontal element of engagement groove to above-mentioned rake opposition side;
Be inserted in the pipe fitting of the horizontal element of above-mentioned a pair of support member, provide a plurality of combined holes by the connector that connects up and down and at a certain distance; And
Be located at above-mentioned a pair of support member and connector and by a pair of mobile device of move left and right support member.
2, PC beam bridge erection bracket according to claim 1 is characterized in that the global shape of above-mentioned mobile device is the flag shape, and comprises:
Connect the combined hole of the engagement groove of above-mentioned support member and connector and by the hold-down bars that moves up and down;
Be formed on the plate of said fixing rod upper side, fixed head comprises the engagement groove that forms by diagonal and is formed on the connecting hole of above-mentioned engagement groove upper end opposition side; And
Be positioned at the said fixing plate about, along the vertical member of above-mentioned support member and horizontal element form two Square consisting of two isosceles right-angled triangles in conjunction with periphery, the steady pin that connects above-mentioned two Square consisting of two isosceles right-angled triangles upper ends to the opposition side of above-mentioned support member rake is inserted in the fixed mount of combined hole.
3, PC beam bridge erection bracket according to claim 1 is characterized in that the global shape of above-mentioned mobile device is the flag shape, and comprises:
Connect the engagement groove of above-mentioned support member and connector combined hole and by the hold-down bars that moves up and down;
Be formed on the plate of said fixing rod upper side, comprise the hold-down bars upper end that is formed on above-mentioned plate connecting hole and, form the fixed head of combined hole by the diagonal of above-mentioned connecting hole; And
Be positioned at the said fixing plate about, form two Square consisting of two isosceles right-angled triangles in conjunction with periphery, the fixed mount that the engagement groove that combines with the combined hole of said fixing plate forms by diagonal along the vertical member of above-mentioned support member and horizontal element.
4, PC beam bridge erection bracket according to claim 1 is characterized in that, the global shape of above-mentioned mobile device is " Y " font, and comprises:
The connecting hole that form to connect in the upper end, the combined hole that the steady pin that formation connects below above-mentioned connecting hole inserts, the combined hole that connects the engagement groove of above-mentioned support member and connector is by the fixed bar that moves up and down; And
Connect the upper end cut of said fixing bar and press the oblique line setting, one side tip-tilt and contact the vertical member rake of above-mentioned support member and fixing, the opposite side tip is fixed on the horizontal element, the tip of above-mentioned inclination forms a certain size through hole, is formed on fixed mount in conjunction with the notch of said fixing bar combined hole by length direction.
5, PC beam bridge erection bracket according to claim 1 is characterized in that, above-mentioned mobile device global shape is " Y " font, and comprises:
The combined hole that the steady pin that form to connect in the upper end inserts, the combined hole that connects the engagement groove of above-mentioned support member and connector is by the fixed bar that moves up and down;
Be formed at the upper outside of said fixing bar, it is two most advanced and sophisticated and be separately fixed at hook outside above-mentioned " Y " font fixed bar that the steady pin of said fixing bar connects; And
Connect the upper end cut of said fixing bar and press the oblique line setting, a side tip-tilt and contact the vertical member rake of above-mentioned support member and fix, the opposite side tip is fixed on the horizontal element, and the tip of above-mentioned inclination forms the fixed mount of a certain size through hole.
6, PC beam bridge erection bracket according to claim 1 is characterized in that above-mentioned mobile device comprises:
Fixed bar, this fixed bar has: the most advanced and sophisticated connecting hole that connects that forms of a side forms the upper board of wearing through hole by oblique line on the certain position below above-mentioned connecting hole; And with the bottom of above-mentioned upper board combine and connect the engagement groove of above-mentioned support member and connector combined hole and by the bottom rod that moves up and down; And
Each tip of through hole by the said fixing bar is fixed on the vertical member of above-mentioned support member and the pitman of horizontal element by oblique line.
7, PC beam bridge erection bracket according to claim 1 is characterized in that, also is included in the other screw thread that forms of horizontal element periphery of above-mentioned support member engagement groove.
8, PC beam bridge erection bracket according to claim 7 is characterized in that above-mentioned mobile device comprises:
Run into mutually on the position of the horizontal element engagement groove of above-mentioned support member and connector combined hole and insert fixed bar;
Form two Square consisting of two isosceles right-angled triangles along the vertical member of above-mentioned support member and horizontal element in conjunction with periphery; The steady pin that formation connects above-mentioned two Square consisting of two isosceles right-angled triangles upper ends to the rake opposition side of above-mentioned support member is inserted in the fixed mount of combined hole; And
Between said fixing bar and support member and the nut of the band handle of combination;
The horizontal element that above-mentioned nut is followed support member during by move left and right support member also by move left and right.
9, a kind of PC beam bridge erection bracket is characterized in that this support comprises:
A pair of support member, the global shape of each described support member are the pipe fitting of contrary T font, comprise tilting and crooked rake and the vertical component effect that forms continuously with above-mentioned rake and the vertical member that forms guide strip through above-mentioned rake and vertical component effect; And form the right angle with above-mentioned vertical member, form the horizontal element of combined hole to above-mentioned rake opposition side in above-mentioned and bottom surfaces;
Along the Square consisting of two isosceles right-angled triangles that forms in conjunction with periphery of the vertical member of above-mentioned support member and horizontal element, the steady pin that connects above-mentioned Square consisting of two isosceles right-angled triangles upper end to the rake opposition side of above-mentioned support member is inserted in the fixed mount of combined hole;
Be inserted in the pipe fitting of the horizontal element of above-mentioned a pair of support member, the connector that a plurality of combined holes are pressed up and down and connected at a certain distance; And
Be inserted in secure bond pin on the combined hole position contacting of the horizontal element engagement groove of above-mentioned support member and connector.
10, according to claim 1 or the described PC beam bridge of claim 9 erection bracket, it is characterized in that, also comprise:
Above-mentioned PC beam bridge is located at continuously with erection bracket on the vertical member of above-mentioned a pair of support member, connects the vertical connector that pipe fitting between the above-mentioned a pair of support member comprises the certain-length of wearing through hole in addition in the side.
11, a kind of PC beam bridge erection bracket method to set up is characterized in that this method comprises the steps:
When the PC beam being set when the bridge pier of finishing bridge and on bridge pier top, PC beam top assembling claim 1 to the claim 9 each described PC beam bridge with the stage of erection bracket;
The PC beam bridge of above-mentioned assembling is tilted to PC beam bottom and makes the stage that is positioned at above-mentioned PC beam with erection bracket; And
Above-mentioned PC beam bridge is combined closely in the stage of PC beam bottom with erection bracket.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020020016055U KR200285860Y1 (en) | 2002-05-25 | 2002-05-25 | temporary bracket for construction of precast concrete beam bridge |
| KR2020020016055 | 2002-05-25 | ||
| KR10-2002-0042213A KR100497701B1 (en) | 2002-07-18 | 2002-07-18 | temporary bracket for construction of precast concrete beam bridge and the installation method using the same |
| KR1020020042213 | 2002-07-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1662710A CN1662710A (en) | 2005-08-31 |
| CN100476074C true CN100476074C (en) | 2009-04-08 |
Family
ID=35011142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038138026A Expired - Fee Related CN100476074C (en) | 2002-05-25 | 2003-05-24 | Bracket for precast concrete beam bridge and the installation method using the same |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3897310B2 (en) |
| CN (1) | CN100476074C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385795B (en) * | 2021-05-12 | 2024-03-29 | 浙江交工宏途交通建设有限公司 | Positioning device for cutting elliptical groove of cable guide pipe |
| CN114263118B (en) * | 2021-12-28 | 2023-08-11 | 广州市第一市政工程有限公司 | Adjustable concrete structure inclined plane strutting arrangement |
| CN114517450B (en) * | 2022-03-10 | 2023-07-25 | 中铁十局集团青岛工程有限公司 | Bendable guide beam |
| CN114941281B (en) * | 2022-04-12 | 2024-01-19 | 湖南中大设计院有限公司 | Efficient assembled bridge composition structure and construction method thereof |
-
2003
- 2003-05-24 CN CNB038138026A patent/CN100476074C/en not_active Expired - Fee Related
- 2003-05-24 JP JP2004507608A patent/JP3897310B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1662710A (en) | 2005-08-31 |
| JP2005527721A (en) | 2005-09-15 |
| JP3897310B2 (en) | 2007-03-22 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20090408 Termination date: 20170524 |