CN215629415U - Girder moving device of bridge girder erection machine is assembled to large-scale festival section - Google Patents
Girder moving device of bridge girder erection machine is assembled to large-scale festival section Download PDFInfo
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- CN215629415U CN215629415U CN202121412087.5U CN202121412087U CN215629415U CN 215629415 U CN215629415 U CN 215629415U CN 202121412087 U CN202121412087 U CN 202121412087U CN 215629415 U CN215629415 U CN 215629415U
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Abstract
The utility model discloses a main beam moving device of a large-scale segmental assembling bridge girder erection machine, which comprises a main beam and a main leg connecting seat arranged at the lower part of the main beam, wherein a middle supporting frame is fixed at the middle part of the top surface of the main leg connecting seat, the top of the middle supporting frame is hinged with one end of a transverse pushing oil cylinder through a hinged shaft, the end part of a pushing rod of the transverse pushing oil cylinder is hinged with a connecting block through the hinged shaft, the connecting block is fixed on the left side plate of a moving shell, a vertical swinging block is arranged between the front side plate and the rear side plate of the moving shell, a lower connecting shaft is inserted and sleeved in a through hole at the bottom of the vertical swinging block, the end part of the lower connecting shaft is fixed on the front side plate and the rear side plate of the moving shell, and a positioning column is fixed on the outer side wall of the middle part of the vertical swinging block; the main beam is pushed by adopting a transverse pushing oil cylinder, the bearing capacity is large, the effect is good, the use is stable, and the device is suitable for moving the main beam of a large-tonnage bridge girder erection machine.
Description
The technical field is as follows:
the utility model relates to the technical field of bridge girder erection machine equipment, in particular to a main girder moving device of a large-scale segment assembling bridge girder erection machine.
Background art:
in the existing large-scale segment assembling bridge girder erection machine, what is generally adopted is an anti-roller set arranged on a supporting leg, a main beam is arranged on the anti-roller set and rotates through a wheel body in the anti-roller, so that the main beam moves along the wheel body, the main beam is convenient to a certain extent, but the stress of a rotating shaft in the anti-roller is limited, and the bearing capacity of the rotating shaft of the main beam of the 800t or even heavier bridge girder erection machine is too large, so that the bridge girder erection machine is easy to damage and deform, and the service life is short.
The utility model has the following contents:
the utility model aims to overcome the defects of the prior art and provides a main beam moving device of a large-scale segment assembling bridge girder erection machine, which pushes a main beam in a mode of pushing by adopting a transverse pushing oil cylinder, has large bearing capacity, good effect and stable use and is suitable for moving the main beam of the large-scale bridge girder erection machine with large tonnage.
The scheme for solving the technical problems is as follows:
a main beam moving device of a large-scale segment assembling bridge girder erection machine comprises a main beam and a main supporting leg connecting seat arranged at the lower part of the main beam, the middle part of the top surface of the main supporting leg connecting seat is fixedly provided with an intermediate supporting frame, the top part of the intermediate supporting frame is hinged with one end of a transverse pushing oil cylinder through a hinged shaft, the end part of a pushing rod of the transverse pushing oil cylinder is hinged with a connecting block through a hinged shaft, the connecting block is fixed on a left side plate of a movable shell, a vertical swinging block is arranged between the front side plate and a rear side plate of the movable shell, a lower connecting shaft is sleeved in a through hole at the bottom of the vertical swinging block, the end part of the lower connecting shaft is fixed on the front side plate and the rear side plate of the movable shell, a positioning column is fixed on the outer side wall of the middle part of the vertical swinging block, end columns are fixed on the left part and the right part of the inner side walls of the front side plate and the rear side plate of the movable shell, one end of a return spring is applied to the end columns, and the other end of the return spring is applied to the positioning columns;
the bottom surface of the main beam is fixed with front and back corresponding channel steel bodies, the bottom surfaces of the two channel steel bodies are provided with a plurality of positioning plates, the top surfaces of the positioning plates are fixed on the bottom surfaces of the two channel steel bodies, and the tops of the vertical swinging blocks are positioned between the two corresponding positioning plates and between the two channel steel bodies;
and guide blocks are fixed on the inner side walls of the upper parts of the front side plate and the rear side plate of the movable shell, and are inserted in the side sliding grooves of the corresponding channel steel bodies.
Arc-shaped grooves are formed in the middle of the left side wall and the right side wall of the vertical swing block, positioning pins are inserted and sleeved in positioning through holes formed in the front side plate and the rear side plate of the movable shell, and the positioning pins are inserted and sleeved in the corresponding arc-shaped grooves.
A plurality of guide blocks are fixed on the inner side walls of the front side plate and the rear side plate of the movable shell, and the positioning pins are inserted in the middle through holes of the corresponding guide blocks.
The top of middle support frame articulates through the articulated shaft has left connecting seat, and left connecting seat is in the left side that transversely promotes the hydro-cylinder, and the left end of left connecting seat articulates through the articulated shaft has fixed casing, all is fixed with the guide block on the upper portion inside wall of two curb plates around fixed casing, goes up the guide block plug bush in the side spout of the channel steel body that corresponds.
The middle part of two curb plates is equipped with the middle part guide block around the fixed casing between the middle part, the middle part shaping of middle part guide block has vertical logical groove, and the plug bush of spacing locating plate is in vertical through groove, and the lower part of spacing locating plate is fixed with the portion of gripping, and the bottom of fixed casing is stretched out downwards to the portion of gripping, and the lower part of a lateral wall of spacing locating plate is fixed with the side locating lever, and the one end of vertical spring is fixed on the side locating lever, and the other end of vertical spring is fixed on the bottom surface of middle part guide block.
The utility model discloses a safety device for a lock pin, including fixed casing, the curb plate of fixed casing, the lateral part of fixed casing is pressed to stop nut, stop nut has the lateral wall of fixed casing, the plug bush has buffer spring on the lock pin, be fixed with the limiting plate on the lateral wall of the tip department of lock pin, buffer spring's one end is impetus in the limiting plate, buffer spring's the other end is impetus in the inside wall of the curb plate of fixed casing, the tip of lock pin is corresponding with the positioning hole that the lower part shaping of locating plate has.
Two middle clapboards are arranged between the front side plate and the rear side plate of the fixed shell, the end parts of the middle clapboards are fixed on the inner side walls of the side plates of the fixed shell, two limiting vertical parts are fixed on the opposite wall surfaces of the two middle clapboards, and the limiting positioning plates are positioned between the four corresponding limiting vertical parts.
A fixing ring is fixed on the side positioning rod, one end of a vertical spring is fixed on the fixing ring, and the other end of the vertical spring is fixed on a lower ring body fixed on the bottom surface of the middle guide block.
The utility model has the following outstanding effects:
compared with the prior art, the main beam is pushed by adopting a mode of pushing the transverse pushing oil cylinder, the bearing capacity is large, the effect is good, the use is stable, and the main beam pushing device is suitable for moving and using the main beam of a large-tonnage bridge girder erection machine.
Description of the drawings:
FIG. 1 is a partial schematic view of the present invention installed in an overall bridge girder erection machine;
FIG. 2 is a partial structural schematic view between the present invention and a main beam;
FIG. 3 is a schematic view of a partial structure between the present invention and a channel body
FIG. 4 is a partial schematic view of the present invention at the mobile housing;
fig. 5 is a partial structural view at the stationary housing of the present invention.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 5, a main beam moving device of a large-scale segment-assembled bridge girder erection machine comprises a main beam 100 and a main leg connecting seat 200 installed at the lower part of the main beam 100, wherein a middle support frame 10 is fixed at the middle part of the top surface of the main leg connecting seat 200, one end of a transverse pushing cylinder 11 is hinged at the top of the middle support frame 10 through a hinge shaft, the end of a pushing rod of the transverse pushing cylinder 11 is hinged to a connecting block 12 through a hinge shaft, the connecting block 12 is fixed on the left side plate of a movable housing 20, a vertical swing block 21 is arranged between the front and rear side plates of the movable housing 20, a lower connecting shaft 22 is inserted in a through hole at the bottom of the vertical swing block 21, the end of the lower connecting shaft 22 is fixed on the front and rear side plates of the movable housing 20, a positioning column 23 is fixed on the outer side wall of the middle part of the vertical swing block 21, and end columns 24 are fixed on the left and right parts of the inner side walls of the front and rear side plates of the movable housing 20, one end of a return spring 25 is fixed on the end post 24 and is applied to the end post 24, and the other end is fixed on the positioning post 23 and is applied to the positioning post 23;
the bottom surface of the main beam 100 is fixed with channel steel bodies 300 corresponding to each other in the front-back direction, the bottom surfaces of the two channel steel bodies 300 are provided with a plurality of positioning plates 301, the top surfaces of the positioning plates 301 are fixed on the bottom surfaces of the two channel steel bodies 300, and the tops of the vertical swinging blocks 21 are positioned between the two corresponding positioning plates 301 and between the two channel steel bodies 300; the distance between every two adjacent positioning plates 301 is equal.
Further, arc-shaped grooves 211 are formed in the middle of the left and right side walls of the vertical swing block 21, the positioning pins 1 are inserted into the positioning through holes 27 formed in the front and rear side plates of the movable housing 20, and the positioning pins 1 are inserted into the corresponding arc-shaped grooves 211.
Furthermore, a plurality of guide blocks 28 are fixed on the inner side walls of the front side plate and the rear side plate of the movable shell 20, and the positioning pin 1 is inserted into the middle through hole of the corresponding guide block 28.
Further, the top of middle support frame 10 is articulated through the articulated shaft to have left connecting seat 30, and left connecting seat 30 is in the left side of horizontal promotion hydro-cylinder 11, and the left end of left connecting seat 30 is articulated through the articulated shaft to have stationary housing 40, all is fixed with guide block 41 on the upper portion inside wall of two curb plates around stationary housing 40, goes up guide block 41 plug bush in the sideslip groove 302 of the channel-section steel body 300 that corresponds. The bottom surface of the upper guide block 41 is closely attached to the bottom surface of the side runner 302, and the upper guide block 41 is a teflon block.
Further, a middle guide block 42 is arranged between the middle portions of the front side plate and the rear side plate of the fixed shell 40, a vertical through groove 43 is formed in the middle portion of the middle guide block 42, a limiting positioning plate 44 is inserted in the vertical through groove 43, a holding portion 45 is fixed to the lower portion of the limiting positioning plate 44, the holding portion 45 extends downwards out of the bottom of the fixed shell 40, a side positioning rod 46 is fixed to the lower portion of one side wall of the limiting positioning plate 44, one end of a vertical spring 47 is fixed to the side positioning rod 46, and the other end of the vertical spring 47 is fixed to the bottom surface of the middle guide block 42.
Further, a side through hole 48 is formed in the middle of the lower portion of one side plate of the fixed shell 40, the locking pin 2 is inserted in the side through hole 48, the outer end of the locking pin 2 extends out of the side plate of the fixed shell 40 and is fixed with a limiting nut 3, the limiting nut 3 is pressed against the outer side wall of the side plate of the fixed shell 40, a buffer spring 4 is inserted on the locking pin 2, a limiting plate 5 is fixed on the outer side wall of the end portion of the locking pin 2, one end of the buffer spring 4 exerts force on the limiting plate 5, the other end of the buffer spring 4 exerts force on the inner side wall of the side plate of the fixed shell 40, and the end portion of the locking pin 2 corresponds to a positioning through hole 441 formed in the lower portion of the limiting positioning plate 44. A side groove is formed in the left side wall of the lower portion of the limiting positioning plate 44, the inner wall surface of the side groove is an inclined wall surface, a positioning through hole 441 is formed in the middle of the inclined wall surface, and the end portion of the locking pin 2 is inserted into the side groove.
Furthermore, two middle partition plates 49 are arranged between the front side plate and the rear side plate of the fixed casing 40, the end parts of the middle partition plates 49 are fixed on the inner side walls of the side plates of the fixed casing 40, two limiting vertical parts 491 are fixed on the opposite wall surfaces of the two middle partition plates 49, and the limiting positioning plate 44 is positioned between the corresponding four limiting vertical parts 491. The lower left and right wall surfaces of the position-limiting positioning plate 44 are formed with extending portions which are pressed against the bottom surface of the intermediate partition plate 49
Further, a fixing ring 461 is fixed to the side positioning rod 46, one end of the vertical spring 47 is fixed to the fixing ring 461, and the other end of the vertical spring 47 is fixed to a lower ring body fixed to the bottom surface of the middle guide block 42.
In this embodiment, when in use, the locking pin 2 is inserted into the positioning through hole 441, so that the position-limiting positioning plate 44 is not located between the two channel steel bodies 300, at this time, the positioning pin 1 at the right side of the movable housing 20 is detached, then, the push rod of the transverse push cylinder 11 pushes the vertical swing block 21 to move rightwards, the vertical swing block 21 is pressed against the corresponding positioning plate 301 and continuously pushed rightwards, when pushing, the main beam 100 is pushed rightwards, after pushing to the maximum pushing distance of the cylinder, the push rod of the transverse push cylinder 11 retracts, when retracting, because the vertical swing block 21 moves leftwards, the vertical swing block 21 leans against the corresponding positioning plate 301, at this time, the vertical swing block 21 is turned rightwards, so that the movable housing 20 can continuously move leftwards, after moving to the right position, the vertical swing block 21 is turned backwards through the action of the return spring 25, at this time, the top of the vertical swing block 21 moves to a position between the two corresponding positioning plates 301, and then the main beam 100 is pushed rightwards for a certain distance by pushing the push rod of the transverse pushing oil cylinder 11, and the main beam 100 is pushed rightwards in this way in sequence;
when the locking pin 2 does not need to be moved, the locking pin can be pulled outwards, so that the top of the limiting positioning plate 44 extends into the space between the two channel steel bodies 300 and is positioned between the two corresponding positioning plates 301, and the limiting is realized.
When the main beam 100 needs to be pushed to the left, the left positioning pin 1 is detached, the right positioning pin 1 is installed, and then the push rod of the transverse pushing oil cylinder 11 retracts, so that the main beam 100 is moved to the left in a manner opposite to the left manner, and detailed description is omitted.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (8)
1. The utility model provides a girder mobile device of bridge girder erection machine is assembled to large-scale festival section, includes main landing leg connecting seat (200) that the lower part of girder (100) was installed, its characterized in that: the middle part of the top surface of the main supporting leg connecting seat (200) is fixed with an intermediate supporting frame (10), the top of the intermediate supporting frame (10) is hinged with one end of a transverse pushing oil cylinder (11) through a hinged shaft, the end part of a push rod of the transverse pushing oil cylinder (11) is hinged with a connecting block (12) through a hinged shaft, the connecting block (12) is fixed on the left side plate of the movable shell (20), a vertical swinging block (21) is arranged between the front side plate and the rear side plate of the movable shell (20), a lower connecting shaft (22) is sleeved in a through hole at the bottom of the vertical swinging block (21), the end part of the lower connecting shaft (22) is fixed on the front side plate and the rear side plate of the movable shell (20), a positioning column (23) is fixed on the outer side wall of the middle part of the vertical swinging block (21), end columns (24) are fixed on the left part and the right part of the inner side walls of the front side plate and the rear side plate of the movable shell (20), one end part of a return spring (25) is applied to the end column (24), the other end is forced on the positioning column (23);
the bottom surface of the main beam (100) is fixedly provided with front and rear corresponding channel steel bodies (300), the bottom surfaces of the two channel steel bodies (300) are provided with a plurality of positioning plates (301), the top surfaces of the positioning plates (301) are fixed on the bottom surfaces of the two channel steel bodies (300), and the tops of the vertical swinging blocks (21) are positioned between the two corresponding positioning plates (301) and between the two channel steel bodies (300);
all be fixed with guide block (26) on the upper portion inside wall of two curb plates around removal casing (20), guide block (26) plug bush is in sideslip groove (302) of the channel steel body (300) that correspond.
2. The main beam moving device of the large-scale segment assembling bridge girder erection machine according to claim 1, wherein: arc-shaped grooves (211) are formed in the middle of the left side wall and the right side wall of the vertical swinging block (21), positioning pins (1) are inserted in positioning through holes (27) formed in the front side plate and the rear side plate of the movable shell (20), and the positioning pins (1) are inserted in the corresponding arc-shaped grooves (211).
3. The main beam moving device of the large-scale segment assembling bridge girder erection machine according to claim 2, wherein: a plurality of guide blocks (28) are fixed on the inner side walls of the front side plate and the rear side plate of the movable shell (20), and the positioning pins (1) are inserted in the middle through holes of the corresponding guide blocks (28).
4. The main beam moving device of the large-scale segment assembling bridge girder erection machine according to claim 1, wherein: the top of middle support frame (10) is articulated through the articulated shaft has left connecting seat (30), and left connecting seat (30) are in the left side of horizontal promotion hydro-cylinder (11), and the left end of left connecting seat (30) is articulated through the articulated shaft has fixed casing (40), all is fixed with guide block (41) on the upper portion inside wall of two curb plates around fixed casing (40), goes up guide block (41) plug bush in sideslip groove (302) of the channel steel body (300) that corresponds.
5. The main beam moving device of the large-scale segment assembling bridge girder erection machine according to claim 4, wherein: be equipped with middle part guide block (42) between the middle part of two curb plates before and after fixed casing (40), the middle part shaping of middle part guide block (42) has vertical logical groove (43), spacing locating plate (44) plug bush is in vertical straight groove (43), the lower part of spacing locating plate (44) is fixed with portion of gripping (45), the bottom of fixed casing (40) is stretched out downwards in portion of gripping (45), the lower part of the lateral wall of spacing locating plate (44) is fixed with side locating lever (46), the one end of vertical spring (47) is fixed on side locating lever (46), the other end of vertical spring (47) is fixed on the bottom surface of middle part guide block (42).
6. The main beam moving device of the large-scale segment assembling bridge girder erection machine according to claim 5, wherein: the middle part shaping of the lower part of the curb plate of fixed casing (40) has side through-hole (48), fitting pin (2) plug bush is in side through-hole (48), the curb plate of fixed casing (40) is stretched out and be fixed with stop nut (3) to the outer end of fitting pin (2), stop nut (3) press the lateral wall of the curb plate of fixed casing (40), fitting pin (2) go up plug bush has buffer spring (4), be fixed with on the lateral wall of the tip department of fitting pin (2) spacing board (5), one end of buffer spring (4) is exerting oneself in spacing board (5), the other end of buffer spring (4) is exerting oneself in the inside wall of the curb plate of fixed casing (40), the tip of fitting pin (2) is corresponding with positioning hole (441) that the lower part shaping of spacing locating plate (44) has.
7. The main beam moving device of the large-scale segment assembling bridge girder erection machine according to claim 6, wherein: two middle partition plates (49) are arranged between the front side plate and the rear side plate of the fixed shell (40), the end parts of the middle partition plates (49) are fixed on the inner side wall of the side plate of the fixed shell (40), two limiting vertical parts (491) are fixed on the opposite wall surfaces of the two middle partition plates (49), and the limiting positioning plate (44) is positioned between the corresponding four limiting vertical parts (491).
8. The main beam moving device of the large-scale segment assembling bridge girder erection machine according to claim 5, wherein: a fixing ring (461) is fixed on the side positioning rod (46), one end of a vertical spring (47) is fixed on the fixing ring (461), and the other end of the vertical spring (47) is fixed on a lower ring body fixed on the bottom surface of the middle guide block (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121412087.5U CN215629415U (en) | 2021-06-24 | 2021-06-24 | Girder moving device of bridge girder erection machine is assembled to large-scale festival section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121412087.5U CN215629415U (en) | 2021-06-24 | 2021-06-24 | Girder moving device of bridge girder erection machine is assembled to large-scale festival section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629415U true CN215629415U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121412087.5U Active CN215629415U (en) | 2021-06-24 | 2021-06-24 | Girder moving device of bridge girder erection machine is assembled to large-scale festival section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215629415U (en) |
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2021
- 2021-06-24 CN CN202121412087.5U patent/CN215629415U/en active Active
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