CN211973134U - Cast-in-place continuous rigid frame girder bridge construction templates of long span - Google Patents

Abstract

The utility model discloses a construction template of a large-span cast-in-place continuous rigid frame beam bridge, which belongs to the technical field of bridge construction and comprises a first construction template, wherein one end of the first construction template is provided with a second construction template; the utility model has the advantages that by arranging the first locking shell, the locking groove, the second locking shell, the hollow cavity, the rotary rod, the driving gear, the driven gear, the connecting rod, the connecting plate, the lead screw, the movable block, the guide rod, the guide chute, the locking plate and the locking rod, various structures are mutually matched, so that the construction template has the function of assembling, further, the specified construction template can be assembled according to the span size of the large-span continuous steel structure girder bridge for cast-in-situ, and the application range is wider; through setting up oil storage bag, oiling mouth, notes oil pipe, control flap, oiling passageway, oil outlet, solid fixed ring and brush, can evenly apply paint lubricating oil with a brush on the lead screw surface, and then avoid lubricated uneven problem to take place, improve the life of lead screw and movable block.

Description

Cast-in-place continuous rigid frame girder bridge construction templates of long span

Technical Field

The utility model belongs to the technical field of the bridge construction, concretely relates to cast-in-place continuous rigid frame girder bridge construction templates of long span.

Background

With the continuous development of new materials, new technologies and new processes, a large-span continuous steel structure beam bridge is widely applied to bridge construction in China, construction technologies such as an all-round support cast-in-place method are mainly adopted for construction, a construction template is required in the cast-in-place method construction process, and although the production process of the existing large-span cast-in-place continuous steel structure beam bridge construction template is mature day by day, part of the production process is still insufficient to be improved.

The prior art has the following problems: the existing construction template structure of the large-span cast-in-place continuous rigid frame beam bridge is fixed, can not be assembled, can not assemble the appointed construction template according to the span size of the large-span continuous steel frame beam bridge for cast-in-place, and has a narrow application range.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a cast-in-place continuous rigid frame girder bridge construction templates of long span has and to assemble the function, and then can construct the span size of girder bridge according to the continuous steel of long span and assemble appointed construction templates and cast-in-place, the wide characteristics of application scope.

In order to achieve the above object, the utility model provides a following technical scheme: a construction template for a large-span cast-in-place continuous rigid frame beam bridge comprises a first construction template, wherein a second construction template is installed at one end of the first construction template;

the first construction template comprises a first locking shell, fastening bolts, inclined supporting steel plates, vertical channel steel, a pouring template, a second locking shell, a guide rod, an opening, a locking rod, locking grooves, a lead screw, a connecting plate, a driven gear, a driving gear, a rotary rod, a control valve, an oil injection port, an oil storage bag, an oil injection pipe, a connecting rod, an oil outlet, a guide sliding groove, a hollow cavity, a fixing ring, a moving block, a locking plate, a hairbrush and an oil injection channel, wherein the first locking shell is fixed on two sides of one end of the pouring template, the second locking shell is fixed on two sides of the other end of the pouring template, the locking grooves are formed in the two first locking shells, the hollow cavities are formed in the two second locking shells, the rotary rod penetrates through the lower portions of the two hollow cavities, and the inner ends of the two rotary rods close to the inner ends are sleeved with the driving gear, driven gears are meshed above the two driving gears, connecting rods are connected inside the two driven gears, connecting plates are fixed to the ends, away from the driven gears, of the two connecting rods, lead screws are installed on the sides, away from the connecting rods, of the two connecting plates, oil injection channels are formed inside the two connecting rods, the connecting plates and the lead screws, a plurality of oil outlet holes are formed in the peripheries of the two oil injection channels, oil injection pipes are connected to the inner sides of the two oil injection channels and the sides, close to the rotating rods, of the two oil injection pipes, control valves are arranged on the two oil injection pipes, oil storage bags are connected to the ends, away from the connecting rods, of the two oil injection pipes, oil injection ports are fixed to the two oil storage bags, moving blocks are sleeved on the outer sides of the two lead screws, guide rods are installed on one sides of the two moving blocks, and, two the last position that just corresponds the guide bar of second locking casing has all seted up the direction spout, two one side that the guide bar was kept away from to the locking plate all is fixed with the check lock lever, two the equal symmetry in one side that just is close to first locking casing on the second locking casing has seted up two openings, two one side that the guide bar was kept away from to the movable block all is fixed with solid fixed ring, two gu fixed ring's inside wall all is provided with the brush, the below of pouring the template is installed and is found the channel-section steel, it is connected with pouring and is provided with a plurality of slope supporting steel plate between the template to found the channel-section steel, a plurality of slope supporting steel plate and upright channel-section steel and a plurality of all be connected through fastening bolt between slope supporting.

Preferably, the second locking shell is provided with mounting holes corresponding to the end, away from the screw rod, of the connecting rod and the end, away from the connecting rod, of the screw rod, and the connecting rod and the mounting holes are rotatably connected through bearings.

Preferably, an oil filling plug is installed at the oil filling position of the oil filling opening.

Preferably, the oil storage bag is made of an elastic material.

Preferably, the oil outlet hole and the oil injection channel are arranged in a communicated structure.

Preferably, a through hole is formed in the moving block and corresponds to the position of the lead screw, and a transmission nut is arranged in the through hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up first locking casing, locking groove, second locking casing, well cavity, rotary rod, driving gear, driven gear, connecting rod, connecting plate, lead screw, movable block, guide bar, direction spout, locking plate and check lock lever, multiple structure mutually supports, makes the construction template have the function that can assemble, and then can according to the stride footpath size of the continuous steel structure girder bridge of striding of big stride assemble appointed construction template and cast-in-place, and application scope is wider.

2. The utility model discloses a set up oil storage bag, oiling mouth, notes oil pipe, control flap, oiling passageway and oil outlet, multiple structure mutually supports, makes lubricating oil can enter into the surface of lead screw, and then lubricates the surface of lead screw, simultaneously through setting up solid fixed ring and brush, can evenly apply paint the lubricating oil on lead screw surface with a brush on the lead screw surface, and then avoid lubricated uneven problem to take place, improves the life of lead screw and movable block.

Drawings

Fig. 1 is a schematic structural diagram of a connection state of a first construction formwork and a second construction formwork of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention shown in FIG. 1A;

FIG. 3 is a schematic cross-sectional view of FIG. 2B according to the present invention;

in the figure: 1. a first construction form; 11. a first lock housing; 12. fastening a bolt; 13. inclining the support steel plate; 14. erecting channel steel; 15. pouring a template; 16. a second lock housing; 17. a guide bar; 18. an opening; 19. a locking lever; 20. a locking groove; 21. a screw rod; 22. a connecting plate; 23. a driven gear; 24. a driving gear; 25. rotating the rod; 26. a control valve; 27. an oil filling port; 28. an oil reservoir bladder; 29. an oil filling pipe; 30. a connecting rod; 31. an oil outlet hole; 32. a guide chute; 33. a hollow cavity; 34. a fixing ring; 35. a moving block; 36. a locking plate; 37. a brush; 38. an oil injection channel; 2. and a second construction formwork.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a construction template for a large-span cast-in-place continuous rigid frame beam bridge comprises a first construction template 1, wherein one end of the first construction template 1 is provided with a second construction template 2;

the first construction template 1 comprises first locking shells 11, fastening bolts 12, inclined support steel plates 13, vertical channel steel 14, a pouring template 15, second locking shells 16, a guide rod 17, an opening 18, a locking rod 19, a locking groove 20, a lead screw 21, a connecting plate 22, a driven gear 23, a driving gear 24, a rotating rod 25, a control valve 26, an oil filling port 27, an oil storage bag 28, an oil filling pipe 29, a connecting rod 30, an oil outlet 31, a guide sliding groove 32, a hollow cavity 33, a fixing ring 34, a moving block 35, a locking plate 36, a hairbrush 37 and an oil filling channel 38, wherein the first locking shells 11 are fixed on two sides of one end of the pouring template 15, the second locking shells 16 are fixed on two sides of the other end of the pouring template 15, the locking grooves 20 are formed in the two first locking shells 11, the hollow cavities 33 are formed in the two second locking shells 16, the rotating rod 25 penetrates through the lower parts of the two hollow cavities 33, in order to realize the rotating function of the connecting rod 30 and the screw rod 21, in the embodiment, preferably, mounting holes are formed in the second locking shell 16 and correspond to one end of the connecting rod 30 away from the screw rod 21 and one end of the screw rod 21 away from the connecting rod 30, the connecting rod 30 and the mounting holes and the screw rod 21 are rotatably connected through bearings, oil injection channels 38 are formed in the two connecting rods 30, the connecting plate 22 and the screw rod 21, and a plurality of oil outlet holes 31 are formed in the peripheries of the two oil injection channels 38, in order to enable the lubricating oil in the oil filling channel 38 to flow out through the oil outlet hole 31, in the present embodiment, preferably, the oil outlet hole 31 and the oil filling channel 38 are arranged in a communicating structure, the oil filling pipes 29 are connected to the sides of the insides of the two oil filling channels 38 and close to the rotating rod 25, the control valves 26 are arranged on the two oil filling pipes 29, the oil storage bags 28 are connected to the ends of the two oil filling pipes 29 far from the connecting rod 30, in order to be able to squeeze the lubricating oil in the oil storage bags 28, in the present embodiment, preferably, the oil storage bags 28 are made of an elastic material, the oil filling ports 27 are fixed on the two oil storage bags 28, in order to avoid the lubricating oil from overflowing, in the present embodiment, preferably, an oil filling plug is installed at the oil filling position of the oil filling port 27, a moving block 35 is sleeved on the outsides of the two lead screws 21, in order that, the inside of through-hole is provided with drive nut, guide bar 17 is all installed to one side of two movable blocks 35, locking plate 36 is all installed to the opposite side of two movable blocks 35, guide chute 32 has all been seted up to the position that just corresponds guide bar 17 on two second locking shells 16, one side that guide bar 17 was kept away from to two locking plate 36 all is fixed with check lock bar 19, two openings 18 have all been seted up to one side that just is close to first locking shell 11 on two second locking shells 16, one side that guide bar 17 was kept away from to two movable blocks 35 all is fixed with solid fixed ring 34, the inside wall of two solid fixed ring 34 all is provided with brush 37, it installs upright channel-section steel 14 to pour the below of template 15, it is connected with pouring to be provided with a plurality of slope support steel sheet 13 between the template 15 to found channel-section steel 14, a plurality of slope support steel sheet 13 all is connected through fastening bolt 12 with between upright channel-section.

The utility model discloses a theory of operation and use flow: before pouring, assembling the specified length according to the span of the large-span continuous steel girder bridge, wherein the assembling steps are as follows: the pouring template 15 (one end close to the second locking shell 16) on the first construction template 1 is aligned with the pouring template 15 (one end close to the first locking shell 11) on the second construction template 2, the rotating rods 25 in the second locking shells 16 on both sides of the pouring template 15 (on the first construction template 1) are rotated in the forward direction, the rotating rods 25 drive the driving gears 24 in the hollow cavities 33 to rotate, the driving gears 24 drive the driven gears 23 on the connecting rods 30 to rotate, the driven gears 23 drive the lead screws 21 to rotate, the moving block 35 is displaced on the lead screws 21 in the direction close to the first locking shell 11 (when the moving block 35 is displaced, the guide rod 17 is synchronously moved in the guide sliding groove 32, the moving stability of the moving block 35 can be ensured), the moving block 35 synchronously drives the locking plates 36 to be displaced in the same direction, and the locking plates 36 drive the locking rods 19 to be displaced in the same direction, the rotation of the rotating rod 25 is stopped until the locking rod 19 is inserted into the locking groove 20, at the moment, the first construction formwork 1 and the second construction formwork 2 are fixed, other construction formworks are connected according to the same steps until the locking rod reaches a specified length, erection can be carried out after assembly is finished, a scaffold is erected, the vertical channel 14 is fixed on the scaffold through a fastening structure after erection is finished, pouring can be carried out after erection is finished, when pouring is carried out, a mold and a steel bar cage are placed in the pouring formwork 15, plugging plates are arranged at two ends of the pouring formwork 15 respectively, finally, concrete is poured into the pouring formwork 15, and the pouring formwork is taken down after maintenance to form a large-span continuous steel structure girder bridge; in the process, a worker can regularly lubricate the screw rod 21, and the lubrication steps are as follows: the control valve 26 is opened, the oil storage bag 28 is pressed, lubricating oil in the oil storage bag 28 enters the oil filling channel 38 from the oil filling pipe 29 through extrusion, the lubricating oil entering the oil filling channel 38 extends to the surface of the screw rod 21 through the oil outlet hole 31, and the lubricating oil on the surface of the screw rod 21 is uniformly covered on the surface of the screw rod 21 under the brushing of the hairbrush 37 (the hairbrush 37 in the fixed ring 34 moves along with the moving block 35 and can brush the whole surface of the screw rod 21), so that the uneven distribution of the lubricating oil is avoided, and the lubricating effect is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a cast-in-place continuous rigid frame girder bridge construction formwork of long span, includes first construction formwork (1), its characterized in that: one end of the first construction template (1) is provided with a second construction template (2);

the first construction template (1) comprises a first locking shell (11), fastening bolts (12), inclined supporting steel plates (13), vertical channel steel (14), a pouring template (15), a second locking shell (16), guide rods (17), openings (18), locking rods (19), locking grooves (20), screw rods (21), connecting plates (22), driven gears (23), driving gears (24), rotating rods (25), control valves (26), oil filling ports (27), oil storage bags (28), oil filling pipes (29), connecting rods (30), oil outlet holes (31), guide sliding grooves (32), hollow cavities (33), fixing rings (34), moving blocks (35), locking plates (36), brushes (37) and oil filling channels (38), wherein the first locking shell (11) is fixed on two sides of one end of the pouring template (15), the second locking shell (16) is fixed on two sides of the other end of the pouring template (15), two locking grooves (20) are formed in the first locking shell (11), two hollow cavities (33) are formed in the second locking shell (16), two rotary rods (25) are connected to the lower portions of the hollow cavities (33) in a penetrating mode, driving gears (24) are sleeved on the inner ends of the rotary rods (25), driven gears (23) are meshed above the driving gears (24), connecting rods (30) are connected to the inner portions of the driven gears (23), connecting plates (22) are fixed to the ends, far away from the driven gears (23), of the connecting plates (22), screw rods (21) are installed on one sides, far away from the connecting rods (30), of the connecting rods (30), the connecting plates (22) and the screw rods (21), oil injection channels (38) are formed in the connecting rods (30), the connecting plates (22) and the screw rods (21), a plurality of oil outlet holes (31) are formed in the peripheries of the two oil injection channels (38), oil injection pipes (29) are connected to the inner portions of the two oil injection channels (38) and one side, close to the rotating rod (25), of the two oil injection pipes (29), control valves (26) are arranged on the two oil injection pipes (29), oil storage bags (28) are connected to one ends, far away from the connecting rod (30), of the two oil injection pipes (29), oil injection ports (27) are fixed to the two oil storage bags (28), moving blocks (35) are sleeved on the outer sides of the two lead screws (21), guide rods (17) are installed on one sides of the two moving blocks (35), locking plates (36) are installed on the other sides of the two moving blocks (35), guide sliding grooves (32) are formed in positions, corresponding to the guide rods (17), and locking rods (19) are fixed to one sides, far away from the guide rods (17), of the two locking plates (36), two equal symmetry in the one side that just is close to first locking casing (11) on second locking casing (16) has seted up two openings (18), two one side that guide bar (17) were kept away from in movable block (35) all is fixed with solid fixed ring (34), two the inside wall of solid fixed ring (34) all is provided with brush (37), it installs upright channel-section steel (14) to pour the below of template (15), it is connected to be provided with a plurality of inclined support steel sheet (13) between channel-section steel (14) and the template of pouring (15), a plurality of inclined support steel sheet (13) and upright channel-section steel (14) and a plurality of inclined support steel sheet (13) and pour and all be connected through fastening bolt (12) between template (15).

2. The construction formwork for the large-span cast-in-situ continuous rigid frame girder bridge according to claim 1, is characterized in that: the one end that lead screw (21) were kept away from in second locking casing (16) and corresponding connecting rod (30) and the one end that connecting rod (30) were kept away from in lead screw (21) all are provided with the mounting hole, all be connected through the bearing rotation between connecting rod (30) and mounting hole and lead screw (21) and the mounting hole.

3. The construction formwork for the large-span cast-in-situ continuous rigid frame girder bridge according to claim 1, is characterized in that: an oil filling plug is arranged at the oil filling position of the oil filling port (27).

4. The construction formwork for the large-span cast-in-situ continuous rigid frame girder bridge according to claim 1, is characterized in that: the oil storage bag (28) is made of elastic materials.

5. The construction formwork for the large-span cast-in-situ continuous rigid frame girder bridge according to claim 1, is characterized in that: the oil outlet hole (31) and the oil injection channel (38) are arranged in a communicated structure.

6. The construction formwork for the large-span cast-in-situ continuous rigid frame girder bridge according to claim 1, is characterized in that: a through hole is formed in the position, corresponding to the lead screw (21), of the moving block (35), and a transmission nut is arranged inside the through hole.

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