CN215329413U - Portal type bridge girder erection machine convenient to adjust height - Google Patents
Portal type bridge girder erection machine convenient to adjust height Download PDFInfo
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- CN215329413U CN215329413U CN202121808798.4U CN202121808798U CN215329413U CN 215329413 U CN215329413 U CN 215329413U CN 202121808798 U CN202121808798 U CN 202121808798U CN 215329413 U CN215329413 U CN 215329413U
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- bridge girder
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Abstract
The utility model provides a portal bridge girder erection machine convenient for height adjustment, which comprises: the device comprises supporting legs, a connecting plate, a left moving structure and a right moving structure; the supporting legs are arranged at the left part and the right part of the lower end of the cross beam, the left part and the right part of the upper end of the cross beam are respectively provided with a left cross frame and a right cross frame, the lower ends of the left cross frame and the right cross frame are respectively welded on the supporting legs corresponding to the lower parts of the left cross frame and the right cross frame, and a top seat is arranged between the upper ends of the left cross frame and the right cross frame; the left moving structure is arranged between the top seat and the left part of the cross beam; the right moving structure is arranged between the top seat and the right part of the cross beam, and a right sleeve plate is arranged below the right moving structure; the connecting plate is installed between the upper portions of the left and right moving structures. The lifting device is firm and firm in structural arrangement, safe and stable in workpiece lifting, and convenient for lifting the height position of the lifting frame, so that the workpiece can be lifted by the lifting hook under the lifting frame, and the lifting device is convenient and flexible to use.
Description
Technical Field
The utility model relates to the technical field of bridge girder erection machines, in particular to a portal bridge girder erection machine convenient for height adjustment.
Background
A door type bridge girder erection machine is mentioned in the specification, and comprises a bottom beam and a main track, wherein the top of the main track is slidably connected with a plurality of lifting trolleys, one end of the main track and one end of the bottom beam are fixedly connected through a rear supporting leg, the top of the bottom beam close to one end of the rear supporting leg is fixedly connected with a rear support, the top of the rear support is abutted against the bottom of the main track, one end of the bottom beam far away from the rear support is fixedly connected with the main track through a middle supporting leg, the bottom of the main track far away from one end of the rear supporting leg is fixedly connected with a front supporting leg, one end of the main track close to the rear supporting leg is rotatably connected with a supporting rod through a rotating shaft, one end of the supporting rod far away from the rotating shaft is rotatably connected with a mounting block, the mounting block is in threaded connection with a fixing nail, one end of the fixing nail close to the bottom beam is slidably sleeved with a backing plate, the utility model discloses a safety device, including base plate, installation piece, slide bar, spring, backing plate, installation piece, the base plate is close to a plurality of slide bars of one side fixedly connected with of installation piece, be equipped with the spout that corresponds with the slide bar on the installation piece, the cover is equipped with the spring on the slide bar, the both ends of spring respectively with backing plate and installation piece fixed connection, though this utility model can provide the stable security of equipment, nevertheless lifting by crane structural setting more singleness to conveniently stabilize the lift adjustment, use to lift by crane and nimble convenience not, application range is effective.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the door type bridge girder erection machine convenient for height adjustment is provided so as to solve the problems that the lifting structure of the door type bridge girder erection machine in the comparison document is single in arrangement, inconvenient to stably lift and adjust, inconvenient and convenient to use and lift, and effective in use range.
In order to achieve the above object, there is provided a portal bridge girder erection machine convenient for height adjustment, comprising: the device comprises supporting legs, a connecting plate, a left moving structure and a right moving structure;
the left part and the right part of the upper end surface of the cross beam are respectively provided with a left cross frame and a right cross frame, the lower ends of the left cross frame and the right cross frame are respectively welded on the supporting legs corresponding to the lower parts of the left cross frame and the right cross frame, and a top seat is arranged between the upper ends of the left cross frame and the right cross frame;
the left moving structure is arranged between the top seat and the left part of the cross beam, and a left sleeve plate is arranged below the left moving structure;
the right moving structure is arranged between the top seat and the right part of the cross beam, and a right sleeve plate is arranged below the right moving structure;
the connecting plate is installed between the upper portions of the left moving structure and the right moving structure, a left driving structure is installed on the left portion of the upper end face of the connecting plate, and a right driving structure is installed on the right portion of the upper end face of the connecting plate.
Furthermore, a crawling ladder is arranged on the front side face of each supporting leg, a base is arranged at the lower end of each supporting leg, mounting frames are arranged in front of and behind the lower end face of the base, and idler wheels are mounted below each group of mounting frames.
Furthermore, the lower end face of the top seat is provided with an upper linear slide rail, the upper end face of the cross beam is provided with a lower linear slide rail, the upper ends of the left moving structure and the right moving structure are connected to the upper linear slide rail in a sliding mode, the lower ends of the left moving structure and the right moving structure are connected to the lower linear slide rail in a sliding mode, and the left moving structure and the right moving structure move on the upper linear slide rail and the lower linear slide rail in a moving mode.
Furthermore, the upper end of the left moving structure is provided with an upper sliding sleeve, the upper sliding sleeve is connected with the upper linear slide rail in a sliding manner, the lower end of the left moving structure is provided with a lower sliding sleeve, the lower sliding sleeve is connected with the lower linear slide rail in a sliding manner, two groups of first connecting rods are fixed between the upper sliding sleeve and the lower sliding sleeve, and an upper fixing plate is fixed between the front and rear first connecting rods.
Furthermore, a plurality of groups of second connecting rods are connected between the lower end face of the upper fixing plate and the left sleeve plate and between the lower end face of the upper fixing plate and the right sleeve plate, a front connecting shaft and a rear connecting shaft are installed between the left sleeve plate and the right sleeve plate, and the front connecting shaft and the rear connecting shaft are of rotating structures.
Further, back reel is all installed at both ends about the back connecting axle, and the second chain wheel is all installed to the front end of back reel to back reel is rolled up there is first wire rope, and the lower extreme system of first wire rope is on the gallows, preceding reel is all installed at both ends about preceding connecting axle, and the front end of preceding reel installs the third chain wheel to preceding reel is rolled up there is the second wire rope, and the lower extreme system of second wire rope is on the gallows, and the lower extreme of gallows is provided with the lifting hook.
Further, the left driving structure is provided with a turbine speed reducer, a first chain wheel is installed at the front end of the turbine speed reducer, a motor base is fixed at the lower end of the turbine speed reducer, a driving motor is installed at the rear portion of the turbine speed reducer, a second chain is connected between the first chain wheel and a third chain wheel in a transmission mode, the front reel, the rear reel and the front reel are synchronously rotated and moved, the left driving structure and the right driving structure, the left sleeve plate and the right sleeve plate are symmetrically arranged on the center line of the connecting plate in a left-right mode, the chain wheel at the front end of the right driving structure is connected with the chain wheel at the front end of the rear reel below the right driving structure in a transmission mode, and the right driving structure, the rear reel below the right driving structure and the front reel are synchronously rotated and moved.
The lifting device has the advantages that the structure is firm and firm, the lifted workpiece is safe and stable, the height position of the lifting frame is convenient to lift, the workpiece is lifted through the lifting hook under the lifting frame, and the lifting device is convenient and flexible to use.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a schematic front view of the arrangement of the left moving structure, the left driving structure and the left sleeve plate according to the embodiment of the present invention;
FIG. 3 is a left side view of the left moving structure, the left driving structure and the structure arrangement between the left sleeve plate according to the embodiment of the present invention;
FIG. 4 is a schematic view of the front spool and the rear spool rotating away from each other to lower the hook according to an embodiment of the present invention;
FIG. 5 is a schematic view of a front and rear reel relative rotation lift hook of an embodiment of the present invention.
In the figure: 1. supporting legs; 10. climbing a ladder; 11. a base; 12. a mounting frame; 13. a roller; 2. a cross beam; 20. a control room; 21. a left cross frame; 22. a top seat; 23. an upper linear slide rail; 24. a right cross frame; 25. a lower linear slide rail; 3. a connecting plate; 4. a left movement structure; 40. an upper sliding sleeve; 41. a first connecting rod; 42. an upper fixing plate; 43. a second connecting rod; 44. a lower sliding sleeve; 5. a left drive structure; 50. a turbo reducer; 500. a first chain wheel; 51. a drive motor; 52. a motor base; 53. coiling the rear reel; 530. a first wire rope; 531. a second chain wheel; 532. a first chain; 54. a rear connecting shaft; 55. a front reel; 550. a second wire rope; 551. a third chain wheel; 552. a second chain; 56. a front connecting shaft; 57. a hanger; 570. a hook; 6. a left deck plate; 7. a right moving structure; 8. a right drive structure; 9. and (6) a right sleeve plate.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Fig. 1 is a schematic front view of an embodiment of the present invention, fig. 2 is a schematic front view of a left moving structure, a schematic left driving structure, and a schematic left mounting plate according to an embodiment of the present invention, fig. 3 is a schematic left view of a structure between a left moving structure, a schematic left driving structure, and a schematic left mounting plate according to an embodiment of the present invention, fig. 4 is a schematic front reel and a rear reel of a lifting hook rotating in opposite directions according to an embodiment of the present invention, and fig. 5 is a schematic front reel and a rear reel of a lifting hook rotating in opposite directions according to an embodiment of the present invention.
Referring to fig. 1 to 5, the present invention provides a portal bridge girder erection machine convenient for height adjustment, including: a portal bridge girder erection machine facilitating height adjustment, comprising: the device comprises supporting legs 1, a connecting plate 3, a left moving structure 4 and a right moving structure 7; the supporting legs 1 are arranged at the left part and the right part of the lower end of the cross beam 2, the control chamber 20 is arranged at the left end of the upper end face of the cross beam 2, the left part and the right part of the upper end of the cross beam 2 are respectively provided with a left cross frame 21 and a right cross frame 24, the lower ends of the left cross frame 21 and the right cross frame 24 are respectively welded on the supporting legs 1 corresponding to the lower parts, and a top seat 22 is arranged between the upper ends of the left cross frame 21 and the right cross frame 24; the left moving structure 4 is arranged between the top seat 22 and the left part of the cross beam 2, and a left sleeve plate 6 is arranged below the left moving structure 4; the right moving structure 7 is arranged between the top seat 22 and the right part of the cross beam 2, and a right sleeve plate 9 is arranged below the right moving structure 7; the connecting plate 3 is installed between the upper portions of the left moving structure 4 and the right moving structure 7, the left driving structure 5 is installed on the left portion of the upper end face of the connecting plate 3, and the right driving structure 8 is installed on the right portion of the upper end face of the connecting plate 3.
In this embodiment, a ladder stand 10 is provided on the front side surface of the supporting foot 1, a base 11 is provided at the lower end of the supporting foot 1, mounting brackets 12 are provided at the front and rear parts of the lower end surface of the base 11, and rollers 13 are mounted below each group of the mounting brackets 12.
As a better implementation mode, a group of supporting legs 1 are symmetrically arranged at the lower left part and the lower right part of a cross beam 2, a left cross frame 21 and a right cross frame 24 are respectively welded at the upper ends of the supporting legs 1 at the two sides, so that the lower structure of the equipment is stably and firmly supported, the upper structure is firmly connected, and meanwhile, a base 11, an installation frame 12 and rollers 13 are arranged at the lower ends of the supporting legs 1, so that the equipment is convenient to move and use, and is safe and convenient to use.
In this embodiment, the lower end surface of the top seat 22 is provided with an upper linear slide rail 23, the upper end surface of the cross beam 2 is provided with a lower linear slide rail 25, the upper ends of the left moving structure 4 and the right moving structure 7 are slidably connected to the upper linear slide rail 23, the lower ends of the left moving structure 4 and the right moving structure 7 are slidably connected to the lower linear slide rail 25, and the left moving structure 4 and the right moving structure 7 move on the upper linear slide rail 23 and the lower linear slide rail 25 in a left-right movement mode.
As a preferred embodiment, the upper left moving structure 4 and the right moving structure 7 are arranged in the same structure, and move left and right synchronously between the top seat 22 and the lower linear slide rail 25, so as to conveniently and properly adjust the displacement of the workpiece hung below.
In this embodiment, an upper sliding sleeve 40 is disposed at the upper end of the left moving structure 4, the upper sliding sleeve 40 is slidably connected to the upper linear sliding rail 23, a lower sliding sleeve 44 is disposed at the lower end of the left moving structure 4, the lower sliding sleeve 44 is slidably connected to the lower linear sliding rail 25, two groups of first connecting rods 41 are fixed between the upper sliding sleeve 40 and the lower sliding sleeve 44, and an upper fixing plate 42 is fixed between the front and rear first connecting rods 41; the lower end of the upper fixing plate 42 is fixed on the left sleeve plate 6, a front connecting shaft 56 and a rear connecting shaft 54 are installed between the left sleeve plate 6 and the right sleeve plate 9, and the front connecting shaft 56 and the rear connecting shaft 54 are in a rotating structure.
As a preferred embodiment, the left driving structure 5 and the right driving structure 8 are both used as driving structures, so that the lower reels are driven by chains and chain wheels to synchronously rotate and move around the rotation of the left and right driving structures, and the rear connecting shaft 54 and the front connecting shaft 56 are driven to rotate and move, so that the rear connecting shaft 54 and the front connecting shaft 56 drive the reels at the other ends to rotate and move together in the rotating process.
In this embodiment, the rear reel 53 is installed at both left and right ends of the rear connecting shaft 54, the second chain wheel 531 is installed at the front end of the rear reel 53, the first steel cable rope 530 is wound on the rear reel 53, the lower end of the first steel cable rope 530 is tied to the hanger 57, the front reel 55 is installed at both left and right ends of the front connecting shaft 56, the third chain wheel 551 is installed at the front end of the front reel 55, the second steel cable rope 550 is wound on the front reel 55, the lower end of the second steel cable rope 550 is tied to the hanger 57, and the hanger 57 is provided with a hook 570 at the lower end; the left driving structure 5 is provided with a turbine speed reducer 50, a first chain wheel 500 is installed at the front end of the turbine speed reducer 50, a motor base 52 is fixed at the lower end of the turbine speed reducer 50, a driving motor 51 is installed at the rear part of the turbine speed reducer 50, a second chain 552 is connected between the first chain wheel 500 and a third chain wheel 551 in a transmission manner, the front reel 55, the rear reel 53 and the front reel 55 synchronously rotate and move, the left moving structure 4 and the right moving structure 7, the left driving structure 5 and the right driving structure 8, and the left sleeve plate 6 and the right sleeve plate 9 are symmetrically arranged on the left and right relative to the center line of the connecting plate 3, a first chain 532 is connected between the chain wheel at the front end of the right driving structure 8 and the chain wheel at the front end of the rear reel 53 below the right driving structure 8, and the rear reel 53 and the front reel 55 synchronously rotate and move.
As a preferred embodiment, in the present invention, when the rear connecting shaft 54 rotates clockwise and the front connecting shaft 56 rotates counterclockwise, the front and rear adjacent rear reels 53 and 55 are driven to rotate relatively, so that the rear reels 53 wind up the first cable rope 530, the front reels 55 wind up the second cable rope 550, and the hanger 57 is pulled up, so as to lift up the workpiece through 560, whereas when the rear connecting shaft 54 rotates counterclockwise and the front connecting shaft 56 rotates clockwise, the front and rear adjacent rear reels 53 and 55 are driven to rotate back and forth, so that the rear reels 53 lower the first cable rope 530, the front reels 55 lower the second cable rope 550, and the hanger 57 lowers down, so as to move the hook 570 straight down, thereby conveniently adjusting the height of the hanger 57, and the use is more convenient and flexible.
The utility model can effectively solve the problems that the lifting structure of the middle door type bridge girder erection machine is single in arrangement, is inconvenient to stably lift and adjust, is not flexible and convenient to use and lift, and has effective use range.
Claims (7)
1. A portal bridge girder erection machine convenient to height-adjusting, includes: the device comprises supporting legs (1), a connecting plate (3), a left moving structure (4) and a right moving structure (7);
the left end and the right end of the upper end face of the cross beam (2) are provided with an operation and control chamber (20), the left part and the right part of the upper end of the cross beam (2) are respectively provided with a left cross frame (21) and a right cross frame (24), the lower ends of the left cross frame (21) and the right cross frame (24) are respectively welded on the support legs (1) corresponding to the lower parts, and a top seat (22) is arranged between the upper ends of the left cross frame (21) and the right cross frame (24);
the left moving structure (4) is installed between the top seat (22) and the left part of the cross beam (2), and a left sleeve plate (6) is arranged below the left moving structure (4);
the right moving structure (7) is arranged between the top seat (22) and the right part of the cross beam (2), and a right sleeve plate (9) is arranged below the right moving structure (7);
connecting plate (3), install between the upper portion of left side moving structure (4) and right side moving structure (7), left side drive structure (5) are installed to the up end left part of connecting plate (3), and right side drive structure (8) are installed to the up end right part of connecting plate (3).
2. The portal bridge girder erection machine convenient to adjust the height is characterized in that a ladder (10) is arranged on the front side surface of the supporting foot (1), a base (11) is arranged at the lower end of the supporting foot (1), mounting frames (12) are arranged at the front and the rear parts of the lower end surface of the base (11), and rollers (13) are arranged below each group of mounting frames (12).
3. The portal bridge girder erection machine convenient to adjust the height is characterized in that an upper linear slide rail (23) is arranged on the lower end surface of the top seat (22), a lower linear slide rail (25) is arranged on the upper end surface of the cross beam (2), the upper ends of the left moving structure (4) and the right moving structure (7) are slidably connected to the upper linear slide rail (23), the lower ends of the left moving structure (4) and the right moving structure (7) are slidably connected to the lower linear slide rail (25), and the left moving structure (4) and the right moving structure (7) synchronously move left and right on the upper linear slide rail (23) and the lower linear slide rail (25).
4. The portal bridge girder erection machine convenient to adjust the height is characterized in that an upper sliding sleeve (40) is arranged at the upper end of the left moving structure (4), the upper sliding sleeve (40) is slidably connected with the upper linear sliding rail (23), a lower sliding sleeve (44) is arranged at the lower end of the left moving structure (4), the lower sliding sleeve (44) is slidably connected with the lower linear sliding rail (25), two groups of first connecting rods (41) are fixed between the upper sliding sleeve (40) and the lower sliding sleeve (44), and an upper fixing plate (42) is fixed between the front and rear first connecting rods (41).
5. The portal bridge girder erection machine convenient to height-adjusting as claimed in claim 4, wherein a plurality of sets of second connecting rods (43) are connected between the lower end surface of the upper fixing plate (42) and the left sleeve plate (6) and the right sleeve plate (9), a front connecting shaft (56) and a rear connecting shaft (54) are installed between the left sleeve plate (6) and the right sleeve plate (9), and the front connecting shaft (56) and the rear connecting shaft (54) are of a rotating structure.
6. The portal bridge girder erection machine convenient to adjust the height as claimed in claim 5, wherein the rear reel (53) is installed at both left and right ends of the rear connecting shaft (54), the second chain wheel (531) is installed at the front end of the rear reel (53), the first steel cable rope (530) is wound on the rear reel (53), the lower end of the first steel cable rope (530) is wound on the hanger (57), the front reel (55) is installed at both left and right ends of the front connecting shaft (56), the third chain wheel (551) is installed at the front end of the front reel (55), the second steel cable rope (550) is wound on the front reel (55), the lower end of the second steel cable rope (550) is wound on the hanger (57), and the lower end of the hanger (57) is provided with a hook (570).
7. The portal bridge girder erection machine convenient to adjust the height as claimed in claim 1, wherein the left driving structure (5) is provided with a turbine reducer (50), a first chain wheel (500) is installed at the front end of the turbine reducer (50), a motor base (52) is fixed at the lower end of the turbine reducer (50), a driving motor (51) is installed at the rear part of the turbine reducer (50), a second chain (552) is connected between the first chain wheel (500) and a third chain wheel (551) in a transmission manner, the front reel (55), the rear reel (53) and the front reel (55) synchronously rotate and move, and the left moving structure (4) and the right moving structure (7), the left driving structure (5) and the right driving structure (8), and the left sleeve plate (6) and the right sleeve plate (9) are arranged in a left-right symmetry manner with respect to the center line of the connecting plate (3), and a first chain (532) is connected between the chain wheel at the front end of the right driving structure (8) and the chain wheel at the front end of the rear reel (53) below the right driving structure in a transmission way, and the right driving structure (8), the rear reel (53) below the right driving structure and the front reel (55) synchronously rotate and move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121808798.4U CN215329413U (en) | 2021-08-04 | 2021-08-04 | Portal type bridge girder erection machine convenient to adjust height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121808798.4U CN215329413U (en) | 2021-08-04 | 2021-08-04 | Portal type bridge girder erection machine convenient to adjust height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215329413U true CN215329413U (en) | 2021-12-28 |
Family
ID=79575631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121808798.4U Active CN215329413U (en) | 2021-08-04 | 2021-08-04 | Portal type bridge girder erection machine convenient to adjust height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215329413U (en) |
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2021
- 2021-08-04 CN CN202121808798.4U patent/CN215329413U/en active Active
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