CN215202667U - Prefabricated box girder prestressing force stretch-draw jack mobile device - Google Patents
Prefabricated box girder prestressing force stretch-draw jack mobile device Download PDFInfo
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- CN215202667U CN215202667U CN202121018068.4U CN202121018068U CN215202667U CN 215202667 U CN215202667 U CN 215202667U CN 202121018068 U CN202121018068 U CN 202121018068U CN 215202667 U CN215202667 U CN 215202667U
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Abstract
The utility model relates to a bridge prestressing force construction technical field, concretely relates to prefabricated box girder prestressing force stretch-draw jack mobile device, include: a door type support frame; the longitudinal moving mechanism is arranged at the top of the door type supporting frame; a lateral moving mechanism provided at the longitudinal moving mechanism to be moved longitudinally by the longitudinal moving mechanism; the electric hoist is arranged on the transverse moving mechanism and driven by the transverse moving mechanism to move transversely; the tensioning jack is connected to the electric hoist so as to be driven by the electric hoist to lift. The utility model discloses a set up parts such as longitudinal movement mechanism, lateral shifting mechanism and electric block, can realize carrying out the omnidirectional removal in order to remove the jack-tensioning suitable position to the jack-tensioning, and whole device simple structure, the processing is easy, and easy operation simultaneously can improve the efficiency of construction.
Description
Technical Field
The utility model relates to a bridge prestressing force construction technical field, concretely relates to prefabricated box girder prestressing force stretch-draw jack mobile device.
Background
In the construction of the precast box girder, the prestress tension is an important process for the construction of the precast box girder, and the importance of the process is self-evident. The prestress tensioning needs to be implemented after the concrete age, strength and elastic modulus meet design or standard requirements, the construction efficiency directly influences the overall progress of the prefabricated box girder, a large-tonnage jack adopted by longitudinal prestress tensioning is heavy and is difficult to move only by manpower, the prestress tensioning construction needs to move the jack between different prestress bundles of the same box girder or among a plurality of box girders frequently, at present, a self-made portal is mostly adopted to move the jack, and the purpose of adjusting the position of the jack is realized by the overall movement of a frame body, so that the time and labor are wasted, and the efficiency is low.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
Disclosure of Invention
An object of the utility model is to provide a prefabricated box girder prestressing force stretch-draw jack mobile device to the solution adopts self-control portal to remove the jack, and the whole removal through the support body is in order to realize the purpose of adjustment jack position, wastes time and energy and the problem of inefficiency.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a precast box girder prestress tensioning jack moving device comprises:
the door type support frame comprises 4 support vertical rods, a carrying platform and connecting rods, and the 4 support vertical rods are distributed in a rectangular shape; the carrying platform is horizontally welded at the lower ends of the 4 supporting vertical rods; the connecting rods are horizontally arranged in a plurality, and two ends of the connecting rods are welded on the supporting vertical rods at corresponding positions; an inlet and an outlet are reserved on the right side of the door type support frame;
the longitudinal moving mechanism is arranged at the top of the door type supporting frame;
a transverse moving mechanism provided on the longitudinal moving mechanism to be driven by the longitudinal moving mechanism to move longitudinally;
the electric hoist is arranged on the transverse moving mechanism and driven by the transverse moving mechanism to move transversely;
the tensioning jack is connected to the electric hoist so as to be driven by the electric hoist to lift.
Preferably, the longitudinal moving mechanism comprises a longitudinal moving track and a first moving trolley, the longitudinal moving track is welded on a connecting rod at the top of the portal support frame, longitudinal sliding grooves are respectively formed in the left side and the right side of the longitudinal moving track, the first moving trolley comprises a mounting plate and a roller, the mounting plate is U-shaped, and the mounting plate is located below the longitudinal moving track; the gyro wheel is in 4 of mirror image installation on the mounting panel, 4 gyro wheels all with the mounting panel rotates to be connected, and wherein 2 gyro wheels are located in the vertical spout in longitudinal movement track right side, 2 gyro wheels are located in the vertical spout in longitudinal movement track left side.
Preferably, the number of the longitudinal moving mechanisms is 2 at intervals.
Preferably, the transverse moving mechanism comprises a transverse moving track and a second moving trolley, the transverse moving track is welded on the lower surface of the first moving trolley mounting plate, and transverse sliding grooves are respectively formed in the front side and the rear side of the transverse moving track; the structure of the second moving trolley is the same as that of the first moving trolley, and the mounting plate of the second moving trolley is positioned below the transverse moving track; wherein 2 rollers of the second movable trolley are positioned in the front side transverse sliding groove of the transverse movable track, and 2 rollers are positioned in the rear side transverse sliding groove of the transverse movable track.
Preferably, the longitudinal moving rail and the transverse moving rail are both made of H-shaped steel.
Preferably, the bottom of the supporting vertical rod is fixed with a self-locking universal wheel.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model is provided with a longitudinal moving mechanism, a transverse moving mechanism, an electric hoist and other components, wherein the longitudinal moving mechanism drives the transverse moving framework to move longitudinally, and the transverse moving framework drives the electric hoist to move transversely; the electric hoist is driven to move together when moving transversely, and simultaneously the electric hoist can drive the tensioning jack to lift, and the tensioning jack can be moved in all directions by the movement so as to move the tensioning jack to a proper position.
(2) The door type support frame comprises a carrying platform, and the carrying platform can be used for placing a tensioning jack; the bottom of the supporting vertical rod is provided with a self-locking universal wheel, so that the whole device can be conveniently moved.
(3) The utility model discloses a set up parts such as longitudinal movement mechanism, lateral shifting mechanism and electric block, can realize carrying out the omnidirectional removal in order to remove the jack-tensioning suitable position to the jack-tensioning, and whole device simple structure, the processing is easy, and the cost of manufacture is low, and easy operation can improve the efficiency of construction simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
100. a door type support frame; 101. supporting the vertical rod; 102. a carrier platform; 103. a connecting rod; 104. an inlet and an outlet; 105. a self-locking universal wheel;
200. a longitudinal movement mechanism; 201. a longitudinally moving track; 2011. a longitudinal chute; 202. a first moving cart; 2021. mounting a plate; 2022. a roller;
300. a lateral movement mechanism; 301. a transverse moving track; 3011. a transverse chute; 302. a second travelling car;
400. an electric hoist;
500. and tensioning the jack.
Detailed Description
In the following, the technical solutions of the present invention are described clearly and completely, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the technical personnel in the field without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, a precast box girder prestress tensioning jack moving device includes:
the door type support frame 100 comprises 4 support vertical rods 101, a carrying platform 102 and connecting rods 103, wherein the number of the support vertical rods 101 is 4, and the 4 support vertical rods 101 are distributed in a rectangular shape; the loading platform 102 is horizontally welded at the lower ends of the 4 supporting vertical rods 101; a plurality of connecting rods 103 are horizontally arranged, and two ends of the connecting rods 103 are welded on the vertical supporting rods 101 at corresponding positions; an inlet and an outlet 104 are reserved on the right side of the door type support frame 100;
the longitudinal moving mechanism 200, the longitudinal moving mechanism 200 is arranged on the top of the door type support frame 100; in this embodiment, the number of the longitudinal moving mechanisms 200 is 2, and the specific structure of the longitudinal moving mechanism 200 is: the longitudinal moving mechanism 200 comprises a longitudinal moving track 201 and a first moving trolley 202, the longitudinal moving track 201 is welded on the connecting rod 103 at the top of the portal support frame 100, the left side and the right side of the longitudinal moving track 201 are respectively provided with a longitudinal sliding groove 2011, the first moving trolley 202 comprises a mounting plate 2021 and a roller 2022, the mounting plate 2021 is U-shaped, and the mounting plate 2021 is positioned below the longitudinal moving track 201; the rollers 2022 are mirror-image-mounted on the mounting plate 2021, and the 4 rollers 2022 are all rotationally connected to the mounting plate 2021 (here, the manner of rotationally connecting may be to form a hole on the mounting plate, mount a bearing in the hole, and connect a wheel shaft of the roller in the bearing in an interference manner), where the 2 rollers 2022 are located in the longitudinal sliding groove 2011 on the right side of the longitudinal moving rail 201, and the 2 rollers 2022 are located in the longitudinal sliding groove 2011 on the left side of the longitudinal moving rail 201.
A lateral movement mechanism 300, the lateral movement mechanism 300 being provided on the longitudinal movement mechanism 200 to be driven to move longitudinally by the longitudinal movement mechanism 200; in this embodiment, the specific structure of the lateral movement mechanism 300 is: the transverse moving mechanism 300 comprises a transverse moving track 301 and a second moving trolley 302, the transverse moving track 301 is welded on the lower surface of the mounting plate 2021 of the first moving trolley 202, and transverse sliding grooves 3011 are respectively arranged on the front side and the rear side of the transverse moving track 301; the second moving trolley 302 and the first moving trolley 202 have the same structure, and the mounting plate 2021 of the second moving trolley 302 is positioned below the transverse moving track 301; wherein 2 rollers 2022 of the second moving trolley 302 are located in the front lateral sliding slot 3011 of the lateral moving rail 301, and 2 rollers 2022 are located in the rear lateral sliding slot 3011 of the lateral moving rail 301;
an electric block 400, the electric block 400 being provided on the traverse mechanism 300 to be driven by the traverse mechanism 300 to move laterally; as is apparent from fig. 1 and 3, the electric block 400 is attached to the lower surface of the mounting plate 2021 of the second traveling carriage 302.
And a tensioning jack 500, wherein the tensioning jack 500 is connected to the electric hoist 400 to be driven by the electric hoist 400 to ascend and descend.
Secondly, in this embodiment, the longitudinal moving rail 201 and the transverse moving rail 301 are both made of H-shaped steel; the bottom of the supporting vertical rod 101 is fixed with a self-locking universal wheel 105.
It should be noted that, in the present embodiment, the first moving cart 202 and the second moving cart 302 are moved by an external mechanism, such as: a driving motor is arranged on the mounting plate 2021, an output shaft of the driving motor is in transmission connection with one of the 4 rollers 2022 on the first moving trolley 202 and the second moving trolley 302 respectively, and specifically, refer to patent No. cn202020140729.x, which is an arrangement mode of the linear electric cylinder 11 in the multi-directional moving device of the simple precast beam tensioning jack; of course, when the height of the portal bracing frame 100 is not high or a worker can touch the longitudinal moving mechanism 200 and the transverse moving mechanism 300 by means of a tool such as an external ladder, the worker can directly push the transverse moving mechanism 300 to slide on the longitudinal moving mechanism 200 by hand and push the second moving trolley 302 to slide on the transverse moving track 301.
When the door type supporting frame is used, the door type supporting frame 100 is moved to a position to be used, and the electric hoist 400 works to drive the tensioning jack 500 to ascend to a proper height; the first moving trolley 202 is moved, the roller 2022 of the first moving trolley 202 moves in the longitudinal sliding groove 2011, the first moving trolley 202 drives the transverse moving mechanism 300 to move transversely when moving, the second moving trolley 302 is moved after the transverse moving mechanism 300 moves to a proper position, similarly, the roller 2022 of the second moving trolley 302 moves in the transverse sliding groove 3011, the second moving trolley 302 drives the electric hoist 400 and the tensioning jack 500 to move when moving, and the second moving trolley 302 stops moving after the tensioning jack 500 moves to a proper position.
After use, the electric hoist 400 and the tensioning jack 500 are moved to the position right above the loading platform 102 by moving the first moving trolley 202 and the second moving trolley 302, and then the electric hoist 40 operates to place the tensioning jack 500 on the loading platform 102.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a prefabricated box girder prestressing force stretch-draw jack mobile device which characterized in that includes:
the door type support frame comprises 4 support vertical rods, a carrying platform and connecting rods, and the 4 support vertical rods are distributed in a rectangular shape; the carrying platform is horizontally welded at the lower ends of the 4 supporting vertical rods; the connecting rods are horizontally arranged in a plurality, and two ends of the connecting rods are welded on the supporting vertical rods at corresponding positions; an inlet and an outlet are reserved on the right side of the door type support frame;
the longitudinal moving mechanism is arranged at the top of the door type supporting frame;
a lateral moving mechanism provided at the longitudinal moving mechanism to be moved longitudinally by the longitudinal moving mechanism;
the electric hoist is arranged on the transverse moving mechanism and driven by the transverse moving mechanism to move transversely;
the tensioning jack is connected to the electric hoist so as to be driven by the electric hoist to lift.
2. The prestressed tensioning jack moving device for the precast box girder according to claim 1, wherein the longitudinal moving mechanism comprises a longitudinal moving rail and a first moving trolley, the longitudinal moving rail is welded on a connecting rod at the top of the portal support frame, longitudinal sliding grooves are respectively formed at the left side and the right side of the longitudinal moving rail, the first moving trolley comprises a mounting plate and rollers, the mounting plate is U-shaped, and the mounting plate is positioned below the longitudinal moving rail; the gyro wheel is in 4 of mirror image installation on the mounting panel, 4 gyro wheels all with the mounting panel rotates to be connected, and wherein 2 gyro wheels are located in the vertical spout in longitudinal movement track right side, 2 gyro wheels are located in the vertical spout in longitudinal movement track left side.
3. The precast box girder prestress tensioning jack moving device according to claim 2, wherein the longitudinal moving mechanism is provided at intervals of 2.
4. The prestressed tensioning jack moving device for the precast box girder according to claim 2, wherein the transverse moving mechanism comprises a transverse moving rail and a second moving trolley, the transverse moving rail is welded to the lower surface of the first moving trolley mounting plate, and transverse sliding grooves are respectively formed in the front side and the rear side of the transverse moving rail; the structure of the second moving trolley is the same as that of the first moving trolley, and the mounting plate of the second moving trolley is positioned below the transverse moving track; wherein 2 rollers of the second movable trolley are positioned in the front side transverse sliding groove of the transverse movable track, and 2 rollers are positioned in the rear side transverse sliding groove of the transverse movable track.
5. The precast box girder prestress tensioning jack moving device according to claim 4, wherein the longitudinal moving rail and the transverse moving rail are each H-shaped steel.
6. The precast box girder prestress tensioning jack moving device as claimed in claim 1, wherein a self-locking universal wheel is fixed to the bottom of the supporting vertical rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121018068.4U CN215202667U (en) | 2021-05-13 | 2021-05-13 | Prefabricated box girder prestressing force stretch-draw jack mobile device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121018068.4U CN215202667U (en) | 2021-05-13 | 2021-05-13 | Prefabricated box girder prestressing force stretch-draw jack mobile device |
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Publication Number | Publication Date |
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CN215202667U true CN215202667U (en) | 2021-12-17 |
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CN202121018068.4U Active CN215202667U (en) | 2021-05-13 | 2021-05-13 | Prefabricated box girder prestressing force stretch-draw jack mobile device |
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CN (1) | CN215202667U (en) |
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2021
- 2021-05-13 CN CN202121018068.4U patent/CN215202667U/en active Active
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