CN220638384U - Precast beam stretch-draw protector - Google Patents
Precast beam stretch-draw protector Download PDFInfo
- Publication number
- CN220638384U CN220638384U CN202321775054.6U CN202321775054U CN220638384U CN 220638384 U CN220638384 U CN 220638384U CN 202321775054 U CN202321775054 U CN 202321775054U CN 220638384 U CN220638384 U CN 220638384U
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- plate
- precast beam
- lead screw
- connecting plate
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- 230000001012 protector Effects 0.000 title claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000005012 migration Effects 0.000 abstract 1
- 238000013508 migration Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a precast beam tensioning protection device, which relates to the technical field of constructional engineering and comprises a protection plate and an adjusting component, wherein a first side supporting plate is arranged on the left side of the surface of the protection plate, a second side supporting plate is arranged on the right side of the surface of the protection plate, the adjusting component is arranged above the right side of the second side supporting plate, and the adjusting component comprises a servo motor, a positive and negative tooth screw rod, a screw rod nut, a first connecting plate, a supporting arm, a second connecting plate, a flashing plate, a slideway and a foundation plate. This precast beam stretch-draw protector drives positive and negative tooth lead screw transmission through servo motor, drives the connecting plate one and makes the horizontal migration in opposite directions or opposite directions about positive and negative tooth lead screw outside by the lead screw nut, can make the supporting angle of support arm change, realizes then that the flashing board descends when the lead screw nut moves in opposite directions, and the flashing board rises when the lead screw nut moves in opposite directions to make the volume of device change through adjusting the height of flashing board, through accomodating convenient transport when ending the use and shift.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a precast beam stretching protection device.
Background
Under the national trend of pushing energy conservation and emission reduction of green construction of buildings, factory prefabrication is adopted, and prefabricated beams which can be installed and fixed according to the positions of design requirements gradually become the mainstream. When the precast beam concrete reaches the design strength during construction of the constructional engineering precast beam, the precast beam concrete is subjected to prestress steel strand tensioning, and a jack and a clamping piece are generally adopted for tensioning the steel strand, so that a protection device is needed for preventing the steel strand, the clamping piece and the like from flying out to hurt people during tensioning.
The existing precast beam tensioning protection device has the problems of fixed volume, large occupied space and difficult carrying and transferring convenience through storage.
Accordingly, in view of the above, research and improvement are made on the existing structure and the existing defects, and a protection device for stretching a precast beam is proposed.
Disclosure of Invention
The utility model aims to provide a precast beam stretching protection device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a precast beam stretch-draw protector, includes guard plate and adjusting part, the surface left side of guard plate is provided with side stay plate one, and the surface right side of guard plate is provided with side stay plate two, adjusting part installs in side stay plate two's right side top, and adjusting part includes servo motor, positive and negative tooth lead screw, screw nut, connecting plate one, support arm, connecting plate two, flashing board, slide and foundation plate, servo motor's output runs through side stay plate two and is connected with positive and negative tooth lead screw, and positive and negative tooth lead screw's external connection has screw nut, screw nut's surface mounting has connecting plate one, and connecting plate one's surface is connected with the support arm through the pivot rotation, the other end of support arm is connected with connecting plate two through the pivot rotation, and connecting plate two's top is provided with the flashing board, the bottom rear end of flashing board is provided with the foundation plate, and flashing board's inside top both sides are provided with the slide.
Further, the first side support plate and the second side support plate are symmetrically distributed about the vertical central axis of the protection plate, and the protection plate, the first side support plate and the second side support plate are of an integrated structure.
Furthermore, a cross beam is connected between the first side support plate and the second side support plate, and a standing operation platform is transversely arranged between the first side support plate and the second side support plate in a penetrating manner.
Further, two screw nuts are symmetrically arranged at the outer center positions of the positive and negative tooth screw rods, and the screw nuts, the first connecting plate, the supporting arms and the second connecting plate are identical in number.
Furthermore, the flashing and the base plate are mutually perpendicular, and the base plate is fixedly connected with the second connecting plate.
Further, two slide ways are arranged, and the two slide ways are respectively in a shape of 'and' in a shape of 'J'.
Further, the inner side of the slideway is connected with a pulley in a sliding way, and the bottom of the pulley is connected with a mounting rod in a rotating way through a wheel shaft.
Further, the outside middle-end of installation pole is provided with the adapter, and the bottom of adapter is provided with the chain block, the jack is installed to the bottom of chain block.
The utility model provides a precast beam stretching protection device, which has the following beneficial effects:
1. according to the utility model, the positive and negative screw rods are driven to drive through the servo motor, the screw rod nut drives the connecting plate to horizontally move in opposite directions or opposite directions relative to the outer parts of the positive and negative screw rods, so that the supporting angle of the supporting arm is changed, the rain-proof plate descends when the screw rod nut moves in opposite directions, and the rain-proof plate ascends when the screw rod nut moves in opposite directions, so that the volume of the device is changed by adjusting the height of the rain-proof plate, and the device is convenient to carry and transfer by storage when the device is used.
2. According to the utility model, the foundation plate is retracted into the hollow protection plate, so that the area of the foundation plate exposed to the outside can be reduced, and the occupied space of the device is reduced; under the common efforts of the protection plate, the first side support plate, the second side support plate and the cross beam, the working personnel can stably stand on the standing operation platform, the purpose of preventing steel strands, clamping pieces and the like from flying out to hurt people during stretching is achieved by means of the protection plate and the foundation plate, and potential safety hazards existing during construction of the prefabricated beam of the building engineering are reduced.
Drawings
FIG. 1 is a schematic view of the whole structure of a precast beam tensioning protective device of the present utility model;
FIG. 2 is a schematic top view of a flashing of a precast beam tensioning device of the present utility model;
fig. 3 is a schematic perspective view of a protection plate and a side support plate of a precast beam stretching protection device according to the present utility model.
In the figure: 1. a protection plate; 2. a first side supporting plate; 3. a second side supporting plate; 4. a cross beam; 5. a standing operation platform; 6. an adjustment assembly; 601. a servo motor; 602. a positive and negative tooth screw rod; 603. a screw nut; 604. a first connecting plate; 605. a support arm; 606. a second connecting plate; 607. a flashing; 608. a slideway; 609. a base plate; 7. a pulley; 8. a mounting rod; 9. a transfer block; 10. chain block; 11. and (5) a jack.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1, a precast beam stretching protective device comprises a protective plate 1 and an adjusting component 6, wherein the adjusting component 6 is arranged above the right side of a side supporting plate II 3, the adjusting component 6 comprises a servo motor 601, a front tooth screw 602, a screw nut 603, a first connecting plate 604, a supporting arm 605, a second connecting plate 606, a flashing 607, a slide 608 and a foundation plate 609, the output end of the servo motor 601 penetrates through the side supporting plate II 3 and is connected with the front tooth screw 602, the screw nut 603 is externally connected with the front tooth screw 602, the surface of the screw nut 603 is provided with the first connecting plate 604, the surface of the first connecting plate 604 is rotationally connected with the supporting arm 605 through a rotating shaft, the other end of the supporting arm 605 is rotationally connected with the second connecting plate 606 through the rotating shaft, the top of the second connecting plate 606 is provided with the flashing 607, the bottom rear end of the flashing 607 is provided with the foundation plate 609, the two sides of the inner top end of the flashing 607 are provided with slide ways 608, the screw nut 603 is symmetrically provided with two screw nuts around the outer center position of the positive and negative screw rod 602, the screw nut 603, the first connecting plate 604, the supporting arm 605 and the second connecting plate 606 are provided with the same number, the flashing 607 and the foundation plate 609 are mutually vertical, the foundation plate 609 is fixedly connected with the second connecting plate 606, the two slide ways 608 are respectively in the shape of ' and ' shape ', the positive and negative screw rod 602 is driven to drive by the servo motor 601, the screw nut 603 drives the first connecting plate 604 to horizontally move in opposite directions or opposite directions around the outer part of the positive and negative screw rod 602, the supporting angle of the supporting arm 605 can be changed, then the flashing 607 is lowered when the screw nut 603 moves in opposite directions, the flashing 607 is raised when the screw nut 603 moves in opposite directions, the volume of the device is changed by adjusting the height of the flashing 607, when the use is finished, the carrying and the transferring are convenient through the storage; the inboard sliding connection of slide 608 has pulley 7, and the bottom of pulley 7 is connected with installation pole 8 through the shaft rotation, and the outside middle-end of installation pole 8 is provided with adapter block 9, and the bottom of adapter block 9 is provided with chain block 10, and jack 11 is installed to the bottom of chain block 10.
As shown in fig. 1 and 3, a first side supporting plate 2 is arranged on the left side of the surface of the protection plate 1, a second side supporting plate 3 is arranged on the right side of the surface of the protection plate 1, the first side supporting plate 2 and the second side supporting plate 3 are symmetrically distributed about the vertical central axis of the protection plate 1, the first side supporting plate 2 and the second side supporting plate 3 are in an integrated structure, a cross beam 4 is connected between the first side supporting plate 2 and the second side supporting plate 3, a standing operation platform 5 transversely penetrates through the first side supporting plate 2 and the second side supporting plate 3, a foundation plate 609 is retracted into the hollow protection plate 1, the exposed area of the foundation plate 609 in the outside can be reduced, and the occupied space of the device is reduced; under the common efforts of the protection plate 1, the side support plate 2 and the cross beam 4, the working personnel can stably stand on the standing operation platform 5, the purpose of preventing flying out of steel strands, clamping pieces and the like to hurt people during stretching is achieved by means of the protection plate 1 and the foundation plate 609, and the potential safety hazard existing during construction of the prefabricated beam of the building engineering is reduced.
In sum, when the precast beam tensioning protection device is used, firstly, the device is transferred to a construction site of a building engineering, the forward and reverse tooth screw rods 602 are driven to be driven by the control servo motor 601, the first connecting plate 604 is driven by the screw nuts 603 to horizontally move in opposite directions relative to the outside of the forward and reverse tooth screw rods 602, the supporting angle of the supporting arm 605 is changed, then the rain shielding plate 607 is lifted during the movement of the screw nuts 603 in opposite directions until the foundation plate 609 is completely released from the protection plate 1, the servo motor 601 is closed, as the protection plate 1, the first side supporting plate 2, the second side supporting plate 3, the cross beam 4 and the standing operation platform 5 are in an integrated fixed structure, during the prestress tensioning process, workers can stably stand above the standing operation platform 5, and flying-out accidents such as steel strands, clamping pieces and the like are avoided during tensioning by virtue of the protection plate 1 and a barrier formed by the foundation plate 609 and the rain shielding plate 607 released from the protection plate 1, the jack 11, the chain block 10, the adapter 9 and the mounting rod 8 can slide along the inner side of the slideway 608 along the pulley 7 during prestress tensioning to realize linear motion in the longitudinal direction, thereby increasing convenience in tensioning operation, and when the device is required to be transferred after finishing use, the servo motor 601 can be controlled to drive the positive and negative screw rods 602 to drive, the screw nut 603 drives the connecting plate one 604 to horizontally move in opposite directions relative to the outer part of the positive and negative screw rods 602, the supporting angle of the supporting arm 605 is changed, the flashing 607 is lowered during the movement of the screw nut 603 in opposite directions, thereby reducing the exposed area of the foundation plate 609 in the outside and the occupied space of the device by completely retracting the foundation plate 609 in the hollow protection plate 1, the device achieves the effect of convenient carrying and transferring through storage.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a precast beam stretch-draw protector, includes guard plate (1) and adjusting part (6), a serial communication port, the surface left side of guard plate (1) is provided with side fagging (2), and the surface right side of guard plate (1) is provided with side fagging two (3), adjusting part (6) are installed in the right side top of side fagging two (3), and adjusting part (6) are including servo motor (601), positive and negative tooth lead screw (602), lead screw nut (603), connecting plate one (604), support arm (605), connecting plate two (606), flashing board (607), slide (608) and foundation plate (609), the output of servo motor (601) runs through side fagging two (3) and is connected with positive and negative tooth lead screw (602), and the external connection of positive and negative tooth lead screw (602) has lead screw nut (603), the surface mounting of lead screw nut (603) has connecting plate one (604), and the surface of connecting plate one (604) is rotated through the pivot and is connected with support arm (605), the other end of support arm (605) is connected with connecting plate two (606) through the pivot, and the top of connecting plate two (607) is provided with flashing board (609) bottom (609), and the two sides of the inner top end of the rain shielding plate (607) are provided with slide ways (608).
2. The precast beam tensioning protection device according to claim 1, wherein the first side supporting plate (2) and the second side supporting plate (3) are symmetrically distributed with respect to a vertical central axis of the protection plate (1), and the protection plate (1), the first side supporting plate (2) and the second side supporting plate (3) are in an integrated structure.
3. The precast beam tensioning protection device according to claim 1, wherein a cross beam (4) is connected between the first side support plate (2) and the second side support plate (3), and a standing operation platform (5) is transversely arranged between the first side support plate (2) and the second side support plate (3) in a penetrating manner.
4. The precast beam tensioning protection device according to claim 1, wherein two screw nuts (603) are symmetrically arranged on the outer center position of the positive and negative screw (602), and the screw nuts (603), the first connecting plate (604), the supporting arm (605) and the second connecting plate (606) are identical in number.
5. A precast beam tensioning protector according to claim 1, characterized in that the flashing (607) and the foundation plate (609) are perpendicular to each other, and the foundation plate (609) and the second connection plate (606) are fixedly connected.
6. A precast beam tensioning protector according to claim 1, characterized in that the number of the slide ways (608) is two, and the two slide ways (608) are respectively in the shape of "[" and "]".
7. A precast beam tensioning protection device according to claim 1, characterized in that the inner side of the slideway (608) is slidingly connected with a pulley (7), and the bottom of the pulley (7) is rotatably connected with a mounting rod (8) through a wheel axle.
8. The precast beam tensioning protection device according to claim 7, characterized in that an adapter block (9) is arranged at the outer middle end of the mounting rod (8), a chain block (10) is arranged at the bottom of the adapter block (9), and a jack (11) is mounted at the bottom of the chain block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321775054.6U CN220638384U (en) | 2023-07-07 | 2023-07-07 | Precast beam stretch-draw protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321775054.6U CN220638384U (en) | 2023-07-07 | 2023-07-07 | Precast beam stretch-draw protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220638384U true CN220638384U (en) | 2024-03-22 |
Family
ID=90296266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321775054.6U Active CN220638384U (en) | 2023-07-07 | 2023-07-07 | Precast beam stretch-draw protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220638384U (en) |
-
2023
- 2023-07-07 CN CN202321775054.6U patent/CN220638384U/en active Active
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