CN213976723U - Hoisting mechanism for mounting prefabricated small box girder - Google Patents
Hoisting mechanism for mounting prefabricated small box girder Download PDFInfo
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- CN213976723U CN213976723U CN202023102477.0U CN202023102477U CN213976723U CN 213976723 U CN213976723 U CN 213976723U CN 202023102477 U CN202023102477 U CN 202023102477U CN 213976723 U CN213976723 U CN 213976723U
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Abstract
The utility model discloses a hoisting mechanism for mounting a prefabricated small box girder, which comprises a hoisting vehicle body, a hoisting driving mechanism, a hoisting main rod, a connecting lifting hook and a hoisting assembly; hoist automobile body lower extreme is provided with the wheel, and hoist automobile body upper end one side is provided with the control room, and hoist automobile body upper end opposite side fixed mounting has the hoist and mount mobile jib that leans out, and hoist and mount mobile jib both ends are provided with the mobile jib bracing piece respectively, and mobile jib bracing piece fixed connection is on the hoist and mount automobile body, and hoist and mount mobile jib upper end is rotated and is installed the hoist and mount running roller, hoist and mount actuating mechanism fixed mounting puts at hoist and mount automobile body upper end central point, and hoist and mount actuating mechanism goes up fixedly connected with hoist and mount steel wire, and the hoist and mount steel wire other end passes the hoist and mount running roller and is connected lifting hook fixed connection, the utility model discloses when hoist and mount subassembly is straightened the lifting rope, electric telescopic handle work drives the pressure disk and moves down, makes the pressure disk lower extreme compress tightly in the small case roof beam upper end with it, ensures that prefabricated small case roof beam can not take place the rotation in hoist and mount process to improve the stability when hoist and mount.
Description
Technical Field
The utility model relates to a prefabricated little case roof beam hoist and mount technical field specifically is a hoist and mount mechanism is used in installation of prefabricated little case roof beam.
Background
In recent years, prestressed concrete bridges in China develop rapidly, and have breakthrough development in bridge types, spans and construction technologies, so that the construction technology of a plurality of prestressed concrete bridges reaches the international advanced level. The assembled small box girder is favored by the advantages of centralized prefabrication, high construction speed, small influence on environment and the like, and is widely applied to bridge construction engineering.
The mode dismouting template of using rings to connect the template usually, because of handling stability is unsatisfactory, handling in-process template wobbling range is great, frequently collides between template and the base matrix, leads to base matrix and template to be impaired easily, also causes the collision of template and case roof beam concrete simultaneously easily, makes concrete member finished product receive the damage.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides a hoist and mount mechanism is used in installation of prefabricated little case roof beam, when hoist and mount subassembly straightens the lifting rope, electric telescopic handle work drives the pressure disk downstream, make the pressure disk lower extreme compress tightly with it little case roof beam upper end, ensure that prefabricated little case roof beam can not take place to rotate in hoist and mount process to improve the stability when hoist and mount, after hoist and mount subassembly will prefabricate little case roof beam hoist, hoist and mount automobile body removes and drives prefabricated little case roof beam and hoist and transport, realize the quick to prefabricated little case roof beam, steady hoist and mount.
The purpose of the utility model can be realized by the following technical scheme: a hoisting mechanism for mounting a prefabricated small box girder comprises a hoisting vehicle body, a hoisting driving mechanism, a hoisting main rod, a connecting lifting hook and a hoisting assembly; the lifting device comprises a lifting vehicle body, a lifting driving mechanism, a lifting main rod, a lifting steel wire, a lifting component and a lifting hook, wherein wheels are arranged at the lower end of the lifting vehicle body, an operating chamber is arranged at one side of the upper end of the lifting vehicle body, the other side of the upper end of the lifting vehicle body is fixedly provided with the lifting main rod which inclines outwards, main rod supporting rods are respectively arranged at two ends of the lifting main rod, the main rod supporting rods are fixedly connected to the lifting vehicle body, the upper end of the lifting main rod is rotatably provided with the lifting roller, the lifting driving mechanism is fixedly arranged at the central position of the upper end of the lifting vehicle body, the lifting steel wire is fixedly connected to the lifting driving mechanism, the other end of the lifting steel wire penetrates through the lifting roller and is fixedly connected with the connecting lifting hook, and the lifting component is detachably arranged on the connecting hook;
the hoisting assembly comprises a hoisting chassis, a plurality of groups of hoisting support arms are fixedly arranged on the periphery of the hoisting chassis, and the groups of hoisting support arms are distributed in an annular array by taking the hoisting chassis as a center; the end part of the hoisting support arm far away from the hoisting chassis is fixedly connected with an anti-drop plate.
The utility model discloses a further technological improvement lies in: the hoisting driving mechanism comprises a driving base, a fixed vertical plate, a driving motor and a steel wire winding roller; the driving base is fixedly installed on the hoisting vehicle body, two groups of fixed vertical plates are fixedly installed on the driving base, a driving motor is fixedly installed on one group of fixed vertical plates, the output end of the driving motor is fixedly connected with a steel wire winding roller, the steel wire winding roller is rotatably installed on the fixed vertical plates, and one end of a hoisting steel wire is fixedly connected onto the steel wire winding roller.
The utility model discloses a further technological improvement lies in: the steel wire stop collar is installed at hoisting mobile jib top, and the hoist and mount steel wire is located between hoist and mount running roller and the steel wire stop collar.
The utility model discloses a further technological improvement lies in: sliding connection has the Z template on the anticreep board, Z template one end fixedly connected with limiting plate, and fixed mounting has U type frame on the hoist and mount support arm, and the U type frame lower extreme is inserted to the Z template other end.
The utility model discloses a further technological improvement lies in: z template middle part fixedly connected with reset spring, the fixed connection of reset spring other end is on the anticreep board.
The utility model discloses a further technological improvement lies in: the electric telescopic handle is fixedly mounted at the lower end of the hoisting chassis, the pressure plate is fixedly connected with the output end of the electric telescopic handle, and a storage battery connected with the electric telescopic handle is arranged in the hoisting chassis.
Compared with the prior art, the beneficial effects of the utility model are that:
the hoisting mechanism is moved to a specified hoisting point through a hoisting vehicle body, a worker sits in an operation chamber to operate the hoisting mechanism, one end of a hoisting rope is fixedly connected to a small box girder and the other end of the hoisting rope is connected to a hoisting support arm, the hoisting rope is separated from a U-shaped frame by pressing the Z-shaped plate, the Z-shaped plate is loosened after the hoisting rope is placed below the Z-shaped plate, the Z-shaped plate rebounds and resets under the elastic action of a reset spring and is inserted into the lower end of the U-shaped frame, the hoisting rope is limited through the Z-shaped plate and the U-shaped frame to prevent the hoisting rope from falling off in the hoisting process, a driving motor works to drive a steel wire to rotate around a roller, the steel wire winds around the roller to wind a hoisting steel wire, so as to drive the hoisting assembly to move upwards, when the hoisting rope is straightened by the hoisting assembly, an electric telescopic rod works to drive a pressure plate to move downwards so that the lower end of a pressure plate is pressed against the upper end of the small box girder, and the prefabricated small box girder can not rotate in the hoisting process, thereby improve the stability when hoist and mount, after hoist and mount subassembly hoisted prefabricated little case roof beam, hoist and mount automobile body removes to drive prefabricated little case roof beam and hoist and mount and transport, realizes the quick, steady hoist and mount to prefabricated little case roof beam.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the hoisting driving mechanism of the present invention;
fig. 3 is a schematic structural view of the hoisting assembly of the present invention;
figure 4 is the utility model discloses hoisting assembly overlook the structure sketch map.
In the figure: 1. hoisting the vehicle body; 2. a wheel; 3. a control room; 4. hoisting a driving mechanism; 41. a drive base; 42. fixing the vertical plate; 43. a drive motor; 44. a steel wire winding roller; 5. hoisting the main rod; 6. a main rod supporting rod; 7. hoisting the steel wire; 8. hoisting a roller; 9. a steel wire limiting sleeve; 10. connecting a lifting hook; 11. hoisting the assembly; 12. hoisting the chassis; 13. hoisting the support arm; 14. an anti-drop plate; 15. a Z-shaped plate; 16. a limiting plate; 17. a U-shaped frame; 18. a return spring; 19. an electric telescopic rod; 20. and (7) pressing a plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, a hoisting mechanism for mounting a prefabricated box girder comprises a hoisting vehicle body 1, a hoisting driving mechanism 4, a hoisting main rod 5, a connecting hook 10 and a hoisting assembly 11; the lifting device is characterized in that wheels 2 are arranged at the lower end of the lifting vehicle body 1, an operating chamber 3 is arranged on one side of the upper end of the lifting vehicle body 1, a lifting main rod 5 which inclines outwards is fixedly mounted on the other side of the upper end of the lifting vehicle body 1, main rod support rods 6 are respectively arranged at two ends of the lifting main rod 5, the main rod support rods 6 are fixedly connected to the lifting vehicle body 1, a lifting roller 8 is rotatably mounted at the upper end of the lifting main rod 5, the lifting driving mechanism 4 is fixedly mounted at the central position of the upper end of the lifting vehicle body 1, a lifting steel wire 7 is fixedly connected to the lifting driving mechanism 4, the other end of the lifting steel wire 7 penetrates through the lifting roller 8 to be fixedly connected with a connecting lifting hook 10, and a lifting assembly 11 is detachably mounted on the connecting lifting hook 10;
the hoisting assembly 11 comprises a hoisting chassis 12, a plurality of groups of hoisting support arms 13 are fixedly arranged on the periphery of the hoisting chassis 12, and the groups of hoisting support arms 13 are distributed in an annular array by taking the hoisting chassis 12 as a center; the end part of the hoisting support arm 13 far away from the hoisting chassis 12 is fixedly connected with an anti-drop plate 14.
The hoisting driving mechanism 4 comprises a driving base 41, a fixed vertical plate 42, a driving motor 43 and a steel wire winding roller 44; the driving base 41 is fixedly installed on the hoisting vehicle body 1, two groups of fixed vertical plates 42 are fixedly installed on the driving base 41, a driving motor 43 is fixedly installed on one group of fixed vertical plates 42, the output end of the driving motor 43 is fixedly connected with a steel wire winding roller 44, the steel wire winding roller 44 is rotatably installed on the fixed vertical plates 42, and one end of a hoisting steel wire 7 is fixedly connected onto the steel wire winding roller 44.
A steel wire limiting sleeve 9 is installed at the top of the hoisting main rod 5, and the hoisting steel wire 7 is located between the hoisting roller 8 and the steel wire limiting sleeve 9.
Sliding connection has Z template 15 on the anticreep board 14, and 15 one end fixedly connected with limiting plate 16 of Z template have U type frame 17 on the hoist and mount support arm 13, and the U type frame 17 lower extreme is inserted to the 15 other ends of Z template.
The middle part of the Z-shaped plate 15 is fixedly connected with a return spring 18, and the other end of the return spring 18 is fixedly connected to the anti-falling plate 14.
An electric telescopic rod 19 is fixedly installed at the lower end of the hoisting chassis 12, a pressure plate 20 is fixedly connected to the output end of the electric telescopic rod 19, and a storage battery connected with the electric telescopic rod 19 is arranged in the hoisting chassis 12.
The working principle is as follows: when the lifting device is used, the lifting mechanism is moved to an appointed lifting point through the lifting vehicle body 1, a worker sits in the control chamber 3 to control the lifting mechanism, one end of a lifting rope is fixedly connected to a small box girder, the other end of the lifting rope is connected to the lifting support arm 13, the lifting rope is separated from the U-shaped frame 17 by pressing the Z-shaped plate 15, the Z-shaped plate 15 is loosened after the lifting rope is placed below the Z-shaped plate 15, the Z-shaped plate 15 is rebounded and reset under the elastic action of the reset spring 18 and is inserted into the lower end of the U-shaped frame 17, the lifting rope is limited through the Z-shaped plate 15 and the U-shaped frame 17, the lifting rope is prevented from falling off in the lifting process, the driving motor 43 works to drive the steel wire to rotate around the roller 44, the steel wire rotates around the roller 44 to roll the lifting steel wire 7, so as to drive the lifting assembly 11 to move upwards, when the lifting assembly 11 straightens the lifting rope, the electric telescopic rod 19 works to drive the pressure plate 20 to move downwards, make pressure disk 20 lower extreme compress tightly with it on the little case roof beam, ensure that prefabricated little case roof beam can not take place to rotate at hoist and mount in-process to stability when improving hoist and mount, after hoist and mount subassembly 11 hoisted prefabricated little case roof beam, hoist and mount automobile body 1 removes and drives prefabricated little case roof beam and hoist and mount the transportation, realize the quick to prefabricated little case roof beam, steady hoist and mount.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a prefabricated little box girder installation is with hoist and mount mechanism which characterized in that: comprises a hoisting vehicle body (1), a hoisting driving mechanism (4), a hoisting main rod (5), a connecting lifting hook (10) and a hoisting assembly (11); the lifting device is characterized in that wheels (2) are arranged at the lower end of the lifting vehicle body (1), an operation chamber (3) is arranged on one side of the upper end of the lifting vehicle body (1), a lifting main rod (5) which inclines outwards is fixedly mounted on the other side of the upper end of the lifting vehicle body (1), main rod support rods (6) are respectively arranged at two ends of the lifting main rod (5), the main rod support rods (6) are fixedly connected to the lifting vehicle body (1), a lifting roller (8) is rotatably mounted at the upper end of the lifting main rod (5), a lifting driving mechanism (4) is fixedly mounted at the central position of the upper end of the lifting vehicle body (1), a lifting steel wire (7) is fixedly connected to the lifting driving mechanism (4), the other end of the lifting steel wire (7) penetrates through the lifting roller (8) and is fixedly connected with a connecting lifting hook (10), and a lifting assembly (11) is detachably mounted on the connecting lifting hook (10);
the hoisting assembly (11) comprises a hoisting chassis (12), a plurality of groups of hoisting support arms (13) are fixedly arranged on the periphery of the hoisting chassis (12), and the groups of hoisting support arms (13) are distributed in an annular array by taking the hoisting chassis (12) as a center; the end part of the hoisting support arm (13) far away from the hoisting chassis (12) is fixedly connected with an anti-drop plate (14).
2. The hoisting mechanism for mounting the prefabricated small box girder according to the claim 1, wherein the hoisting driving mechanism (4) comprises a driving base (41), a fixed vertical plate (42), a driving motor (43) and a steel wire winding roller (44); drive base (41) fixed mounting is on hoist and mount automobile body (1), and fixed mounting has two sets of fixed risers (42) on drive base (41), and fixed mounting has driving motor (43) on one of them set of fixed riser (42), and driving motor (43) output and steel wire wind roller (44) fixed connection, and the steel wire is rotated around roller (44) and is installed on fixed riser (42), and hoist and mount steel wire (7) one end fixed connection is on steel wire winds roller (44).
3. The hoisting mechanism for mounting the precast small box girder according to claim 1, wherein a steel wire limiting sleeve (9) is mounted at the top of the hoisting main rod (5), and the hoisting steel wire (7) is positioned between the hoisting roller (8) and the steel wire limiting sleeve (9).
4. The hoisting mechanism for mounting the precast small box girder according to claim 1, wherein a Z-shaped plate (15) is connected onto the anti-falling plate (14) in a sliding manner, a limiting plate (16) is fixedly connected to one end of the Z-shaped plate (15), a U-shaped frame (17) is fixedly mounted on the hoisting support arm (13), and the other end of the Z-shaped plate (15) is inserted into the lower end of the U-shaped frame (17).
5. The hoisting mechanism for mounting the precast small box girder according to claim 4, wherein a return spring (18) is fixedly connected to the middle part of the Z-shaped plate (15), and the other end of the return spring (18) is fixedly connected to the anti-falling plate (14).
6. The hoisting mechanism for mounting the prefabricated small box girder according to claim 1, wherein an electric telescopic rod (19) is fixedly mounted at the lower end of the hoisting chassis (12), a pressure plate (20) is fixedly connected to the output end of the electric telescopic rod (19), and a storage battery connected with the electric telescopic rod (19) is arranged in the hoisting chassis (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023102477.0U CN213976723U (en) | 2020-12-18 | 2020-12-18 | Hoisting mechanism for mounting prefabricated small box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023102477.0U CN213976723U (en) | 2020-12-18 | 2020-12-18 | Hoisting mechanism for mounting prefabricated small box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213976723U true CN213976723U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023102477.0U Active CN213976723U (en) | 2020-12-18 | 2020-12-18 | Hoisting mechanism for mounting prefabricated small box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213976723U (en) |
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- 2020-12-18 CN CN202023102477.0U patent/CN213976723U/en active Active
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Address after: 230000 no.218, Xiangzhang Avenue, hi tech Development Zone, Hefei City, Anhui Province Patentee after: China Energy Construction Group Co.,Ltd. Address before: 230000 no.218, Xiangzhang Avenue, hi tech Development Zone, Hefei City, Anhui Province Patentee before: China Energy Engineering Group Anhui No.1 Electric Power Construction Co.,Ltd. |