CN112627537A - Prestress generating device for building board - Google Patents
Prestress generating device for building board Download PDFInfo
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- CN112627537A CN112627537A CN202011252259.7A CN202011252259A CN112627537A CN 112627537 A CN112627537 A CN 112627537A CN 202011252259 A CN202011252259 A CN 202011252259A CN 112627537 A CN112627537 A CN 112627537A
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- plate
- fixing
- fixed
- rod
- prestress
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- Mechanical Engineering (AREA)
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- Structural Engineering (AREA)
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Abstract
The invention belongs to the technical field of constructional engineering equipment, in particular to a prestress generating device for a building board, which aims at solving the problems that the traditional board prestress tensioning device has large volume, can not move and is inconvenient to use. According to the plate clamping device, the threaded rod is rotated to enable the first moving plate to be away from a plate, the rotating rod is rotated to press the third fixing rod to clamp the plate through the rotating rod, meanwhile, the rotating wheel is driven by the second moving plate through the rack and the gear to rotate, the distance between the rotating wheels is reduced, the plate is further clamped, the first fixing rod and the second fixing rod are driven by the rotating shaft to be close to each other, the rotating wheels are away from each other, the clamped plate is stretched through the rotating wheels, and the strength of the plate is improved.
Description
Technical Field
The invention relates to the technical field of constructional engineering equipment, in particular to a prestress generating device for a building board.
Background
The plate prestress is a mode for improving the service performance of a plate structure, the strength of the plate is further enhanced through the tension of the prestress during the construction, and the engineering quality is improved.
Through retrieval, the patent with the Chinese patent application number of CN201720857195.0 discloses a prestress tensioning device for an assembled plate, which comprises a base, a baffle and a tensioning mechanism, wherein the base is cuboid, the baffle and the tensioning mechanism are both arranged above the base, and the upper surface of the base is provided with a groove; the baffle is inserted into the groove and consists of an upper baffle and a lower baffle; the tensioning mechanism comprises a hydraulic telescopic rod, a fixed plate and a steel bar, a movable plate is arranged at the end of the hydraulic telescopic rod, cutting strips are arranged on the movable plate and the fixed plate, the steel bar is connected between the fixed plate and the movable plate and penetrates through a through hole in the baffle, and limiting discs are arranged at two ends of the steel bar. The prestressed tensioning device for the fabricated panel in the patent has the following defects: the device can not be moved, has larger volume and is inconvenient to use in a construction site.
Disclosure of Invention
The invention provides a prestress generating device for building boards, which is based on the technical problems that the existing board prestress tensioning device is large in size, cannot move and is inconvenient to use.
The invention provides a prestress generating device for building boards, which comprises fixed bodies fixed at two ends of the boards, wherein the top end and the bottom end of each fixed body are welded with fixed blocks, the middle part of each fixed block is rotatably connected with a rotating rod, rotating wheels are arranged at the top end and the bottom end of each board, one side of each rotating wheel is welded with a third fixed rod, the other side of each rotating wheel is welded with a fixed shaft, the other end of each fixed shaft is connected with a gear through a key, one side of each fixed body is provided with a first moving board, the middle part of each first moving board is provided with a threaded through hole, each first moving board is provided with a threaded rod at the threaded through hole, the top end and the bottom end of one side of each first moving board are welded with second moving boards, one sides of the two second moving boards, which are far away from each other, are, one side of swiveling wheel is rotated and is connected with the axis of rotation, and one side welding of axis of rotation has first dead lever and second dead lever, the one end welding of first dead lever has first fixed plate, the one end welding of second dead lever has the second fixed plate, the second recess has been seted up to the one end of first fixed plate, the second fixed plate is in inside the second recess of first fixed plate.
Preferably, the outer wall of the rotating wheel is provided with a plurality of rubber bulges.
Preferably, the one end of dwang is the arc, the top welding of third dead lever has the stopper, and the third recess has been seted up on the top of stopper, the other end of dwang is in the inside of third recess.
Preferably, the welding of the one end of threaded rod has the handle, and the outer wall of handle is carved with anti-skidding screw thread.
Preferably, the top and the bottom of second fixed plate all are equipped with the cardboard, and the draw-in groove has all been seted up to the cardboard one side that is close to each other, the fixture block, fixture block and draw-in groove looks adaptation are all welded to the top and the bottom of second fixed plate.
Preferably, both sides of the clamping plate are provided with fixing rings, a circular through hole is formed in one side of each fixing ring, and a fixing bolt is arranged at the position of the circular through hole in each fixing ring.
Preferably, the fixed sleeve and the fourth fixed rod are respectively welded at one end, close to each other, of each of the two third fixed rods, a threaded groove is formed in the outer wall of each fourth fixed rod, each fourth fixed rod is located inside the corresponding fixed sleeve, and one end of each fixed sleeve is rotatably connected with a threaded sleeve.
Preferably, a cross-shaped sliding groove is formed in the inner wall of the fixing sleeve, a cross-shaped sliding block is welded at one end of the fourth fixing rod, and the cross-shaped sliding block is matched with the cross-shaped sliding groove.
The beneficial effects of the invention are as follows:
1. the plate clamping device is characterized in that two threaded rods are rotated by arranging a threaded rod, a first moving plate and a rotating rod with one arc-shaped end, the threaded rod passes through a threaded through hole in the first moving plate to enable the first moving plate to be far away from a plate, the first moving plate is in contact with the arc-shaped end of the rotating rod and enables the rotating rod to rotate, the other end of the rotating rod is in contact with a limiting block, the limiting block presses a third fixing rod, and the third fixing rod enables the rotating wheel;
2. by arranging the gear, the rack, the second moving plate and the rotating wheel with the gradually increased outer diameter, the second moving plate moves along with the first moving plate while the first moving plate moves, the second moving plate drives the rack to move, the rack drives the rotating wheel to rotate through the gear, the radius of the rotating wheel contacting with the plate is increased due to the rotation of the rotating wheel, the distance between the rotating wheels is reduced, and the plate is further clamped;
3. by arranging the first fixing rod, the second fixing rod, the first fixing plate, the second fixing plate and the clamping plate, the rotating wheel drives the rotating shaft to move while rotating, the rotating shaft drives the first fixing rod and the second fixing rod to be close to each other, the rotating wheels are far away from each other under the interaction of the first fixing plate, the second fixing plate and the clamping plate, and the rotating wheels stretch the clamped plate to increase the strength of the plate;
4. by arranging the fixture block, the first fixing plate and the second fixing plate, the fixture block is matched with the clamping groove of the clamping plate, so that the second fixing plate can extend to different lengths in the second groove of the first fixing plate, the plate with different lengths can be conveniently adapted, meanwhile, the two clamping plates can be fixed close to each other by the fixing bolt and the fixing ring, and the clamping plates can not fall off when the device is used;
5. through setting up thread bush, fourth dead lever, cross spout and crosshead shoe, the length of fourth dead lever can be changed in the rotation of thread bush, makes the distance between the swiveling wheel change to be adapted to the panel of different width, simultaneously through the cooperation of crosshead shoe and cross spout, the fourth dead lever can slide in the inside of fixed cover, and unable rotation guarantees that the rotatory angle of swiveling wheel is unanimous all the time, has strengthened the stability when device uses.
Drawings
Fig. 1 is a schematic front view of a prestress generator for a building board according to embodiment 1;
FIG. 2 is an enlarged view of part A of FIG. 1;
fig. 3 is a side sectional view of a prestress generator for a building board according to embodiment 1;
FIG. 4 is a front view of a clamping plate structure of the prestress generator for building boards in embodiment 1;
FIG. 5 is a front view of a rotary wheel structure of the prestress generator for construction boards according to embodiment 1;
fig. 6 is a side sectional view of a prestress generator for a building board according to embodiment 2;
fig. 7 is a front view of the structure of the fixing sleeve of the prestress generator for building boards in embodiment 2.
In the figure: 1 panel, 2 swiveling wheels, 3 fixed axles, 4 gears, 5 racks, 6 fixed blocks, 7 dwang, 8 fixed bodies, 9 first movable plates, 10 threaded rods, 11 handles, 12 second movable plates, 13 connecting rods, 14 first fixed rods, 15 first fixed plates, 16 second fixed plates, 1601 fixture blocks, 17 cardboard, 18 fixed rings, 19 fixing bolts, 20 second fixed rods, 21 third fixed rods, 22 stopper, 23 fixed sleeves, 24 thread bush, 25 fourth fixed rods, 26 axis of rotation, 27 cross slider.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1 to 5, a prestress generator for building boards comprises fixed bodies 8 fixed at both ends of a board 1, fixed blocks 6 welded at both top and bottom ends of the fixed bodies 8, a rotating rod 7 rotatably connected to the middle of the fixed block 6, rotating wheels 2 provided at both top and bottom ends of the board 1, a third fixed rod 21 welded at one side of the rotating wheel 2, a fixed shaft 3 welded at the other side of the rotating wheel 2, a gear 4 keyed at the other end of the fixed shaft 3, a first moving plate 9 provided at one side of the fixed body 8, a threaded through hole provided at the middle of the first moving plate 9, a threaded rod 10 provided at the threaded through hole of the first moving plate 9, second moving plates 12 welded at both top and bottom ends of one side of the first moving plate 9, first grooves provided at both sides of the two second moving plates 12, a rack 5 provided at the first grooves of the second moving plates 12, the rack 5 is meshed with the gear 4, one side of the rotating wheel 2 is rotatably connected with a rotating shaft 26, one side of the rotating shaft 26 is welded with a first fixed rod 14 and a second fixed rod 20, one end of the first fixed rod 14 is welded with a first fixed plate 15, one end of the second fixed rod 20 is welded with a second fixed plate 16, one end of the first fixed plate 15 is provided with a second groove, the second fixed plate 16 is positioned in the second groove of the first fixed plate 15, when the plate is used, the two threaded rods 10 are rotated, the threaded rods 10 enable the first moving plate 9 to be far away from the plate 1 through threaded through holes in the first moving plate 9, the first moving plate 9 contacts with the rotating rod 7 and enables the rotating rod 7 to rotate, the other end of the rotating rod 7 contacts with a third fixed rod 21, the third fixed rod 21 enables the plate 1 of the rotating wheel 2 to be clamped, when the first moving plate 9 moves, the, rack 5 drives swiveling wheel 2 through gear 4 and rotates, swiveling wheel 2's rotation makes its radius increase that contacts panel 1, distance between swiveling wheel 2 reduces, further press from both sides panel 1 tightly, in swiveling wheel 2 is rotatory, swiveling wheel 2 drives axis of rotation 26 and removes, axis of rotation 26 drives first dead lever 14 and second dead lever 20 and is close to each other, under the interact of first fixed plate 15 and second fixed plate 16, swiveling wheel 2 keeps away from each other, swiveling wheel 2 makes the panel 1 of clamp tightly tensile, increase panel 1's intensity.
In the invention, the outer wall of the rotating wheel 2 is provided with a plurality of rubber bulges, so that the friction force of the rotating wheel 2 is increased, and the plate 1 is conveniently clamped.
Wherein, the one end of dwang 7 is the arc, is convenient for contact with first movable plate 9 to rotatory through first movable plate 9, the top welding of third dead lever 21 has stopper 22, and the third recess has been seted up on stopper 22's top, and the other end of dwang 7 is in the inside of third recess, and the third recess can make dwang 7 be in on same plane all the time when rotatory.
Wherein, the welding of one end of threaded rod 10 has handle 11, and the outer wall of handle 11 is carved with anti-skidding screw thread, and handle 11 is convenient for threaded rod 10's rotation, makes panel 1 tensile.
Wherein, the top and the bottom of second fixed plate 16 all are equipped with cardboard 17, and the draw-in groove has all been seted up to one side that cardboard 17 is close to each other, and fixture block 1601 has all been welded to the top and the bottom of second fixed plate 16, and fixture block 1601 and draw-in groove looks adaptation, through the cooperation of fixture block 1601 and draw-in groove, second fixed plate 16 can extend to the inside different length of 15 second recesses of first fixed plate, is convenient for adapt to panel 1 of different length.
Wherein, cardboard 17's both sides all are equipped with solid fixed ring 18, and circular through-hole has been seted up to solid fixed ring 18's one side, and solid fixed ring 18 is equipped with fixing bolt 19 in circular through-hole department, and fixing bolt 19 and solid fixed ring 18 can make two cardboard 17 be close to fixedly, and cardboard 17 can not drop when guaranteeing the device to use.
Wherein, fixed cover 23 and fourth dead lever 25 have been welded respectively to the one end that two third dead levers 21 are close to each other, and threaded groove has been seted up to the outer wall of fourth dead lever 25, and fourth dead lever 25 is in the inside of fixed cover 23, and the one end of fixed cover 23 is rotated and is connected with thread bush 24, and through the rotation of thread bush 24, can change the length of fourth dead lever 25, makes the distance between the swiveling wheel 2 change to be adapted to the panel 1 of different width.
When the plate clamping device is used, the two threaded rods 10 are rotated through the handle 11, the threaded rods 10 pass through threaded through holes in the first moving plate 9, the first moving plate 9 is far away from a plate 1, the first moving plate 9 is contacted with one arc-shaped end of the rotating rod 7 and is rotated, the other end of the rotating rod 7 is contacted with the limiting block 22, the limiting block 22 presses the third fixing rod 21, the third fixing rod 21 clamps the rotating wheel 2, the plate 1 of the rotating wheel 2 is clamped tightly while the first moving plate 9 moves, the second moving plate 12 moves along with the first moving plate 12, the rack 5 drives the rack 5 to move, the rack 5 drives the rotating wheel 2 to rotate through the gear 4, the radius of the rotating wheel 2 contacting with the plate 1 is increased due to the rotation of the rotating wheel 2, the distance between the rotating wheels 2 is reduced, the plate 1 is further clamped, the rotating wheel 2 drives the rotating shaft 26 to move while the, under the interaction of the first fixing plate 15, the second fixing plate 16 and the clamping plate 17, the rotating wheels 2 are far away from each other, and the rotating wheels 2 stretch the clamped plate 1 to increase the strength of the plate 1;
through the matching of the clamping block 1601 and the clamping groove of the clamping plate 17, the second fixing plate 16 can extend to different lengths in the second groove of the first fixing plate 15, so that the device is convenient to adapt to plates 1 with different lengths, and meanwhile, the two clamping plates 17 can be fixed close to each other by the fixing bolts 19 and the fixing rings 18, so that the clamping plate 17 cannot fall off when the device is used;
by turning the threaded sleeve 24, the length of the fourth fixing rod 25 can be changed, so that the distance between the rotating wheels 2 can be changed to adapt to plates 1 of different widths.
Example 2
Referring to fig. 6-7, a prestressing force generating device for building board, this embodiment compares in embodiment 1, in order to increase the stability of device, the cross spout has been seted up to the inner wall of fixed cover 23, the welding of the one end of fourth dead lever 25 has cross slider 27, cross slider 27 and cross spout looks adaptation, through the cooperation of cross slider 27 and cross spout, fourth dead lever 25 can slide in the inside of fixed cover 23, can't rotate, guarantee that the rotatory angle of swiveling wheel 2 is unanimous all the time, stability when having strengthened the device and using.
When the plate clamping device is used, the two threaded rods 10 are rotated through the handle 11, the threaded rods 10 pass through threaded through holes in the first moving plate 9, the first moving plate 9 is far away from a plate 1, the first moving plate 9 is contacted with one arc-shaped end of the rotating rod 7 and is rotated, the other end of the rotating rod 7 is contacted with the limiting block 22, the limiting block 22 presses the third fixing rod 21, the third fixing rod 21 clamps the rotating wheel 2, the plate 1 of the rotating wheel 2 is clamped tightly while the first moving plate 9 moves, the second moving plate 12 moves along with the first moving plate 12, the rack 5 drives the rack 5 to move, the rack 5 drives the rotating wheel 2 to rotate through the gear 4, the radius of the rotating wheel 2 contacting with the plate 1 is increased due to the rotation of the rotating wheel 2, the distance between the rotating wheels 2 is reduced, the plate 1 is further clamped, the rotating wheel 2 drives the rotating shaft 26 to move while the, under the interaction of the first fixing plate 15, the second fixing plate 16 and the clamping plate 17, the rotating wheels 2 are far away from each other, and the rotating wheels 2 stretch the clamped plate 1 to increase the strength of the plate 1;
through the matching of the clamping block 1601 and the clamping groove of the clamping plate 17, the second fixing plate 16 can extend to different lengths in the second groove of the first fixing plate 15, so that the device is convenient to adapt to plates 1 with different lengths, and meanwhile, the two clamping plates 17 can be fixed close to each other by the fixing bolts 19 and the fixing rings 18, so that the clamping plate 17 cannot fall off when the device is used;
through the rotation of thread bush 24, can change the length of fourth dead lever 25, make the distance between the swiveling wheel 2 change to be adapted to the panel 1 of different width, through the cooperation of crosshead shoe 27 with the cross spout, fourth dead lever 25 can slide in the inside of fixed cover 23, and unable rotation guarantees that the rotatory angle of swiveling wheel 2 is unanimous all the time, has strengthened the stability when the device uses.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a prestressing force generating device for building board, includes fixes the fixed body (8) at panel (1) both ends, its characterized in that, the top and the bottom of the fixed body (8) all are equipped with fixed block (6), and the middle part of fixed block (6) is equipped with dwang (7), the top and the bottom of panel (1) all are equipped with swiveling wheel (2), and one side of swiveling wheel (2) is equipped with third dead lever (21), the opposite side of swiveling wheel (2) is equipped with fixed axle (3), and the other end of fixed axle (3) is equipped with gear (4), one side of the fixed body (8) is equipped with first movable plate (9), and the middle part of first movable plate (9) has been seted up threaded through-hole, first movable plate (9) are equipped with threaded rod (10) in threaded through-hole department, one side top and the bottom of first movable plate (9) all are equipped, first recess has all been seted up to one side that two second movable plates (12) kept away from each other, second movable plate (12) are equipped with rack (5) in first groove, rack (5) with gear (4) meshing, one side of swiveling wheel (2) is equipped with axis of rotation (26), and one side of axis of rotation (26) is equipped with first dead lever (14) and second dead lever (20), the one end of first dead lever (14) is equipped with first fixed plate (15), the one end of second dead lever (20) is equipped with second fixed plate (16), the second recess has been seted up to the one end of first fixed plate (15), second fixed plate (16) are in inside the second recess of first fixed plate (15).
2. The prestress generator for building boards as claimed in claim 1, wherein the outer wall of the turning wheel (2) is provided with rubber protrusions.
3. The prestress generating device for building boards as claimed in claim 1, wherein one end of the rotating rod (7) is arc-shaped, a limiting block (22) is arranged at the top end of the third fixing rod (21), a third groove is formed at the top end of the limiting block (22), and the other end of the rotating rod (7) is located inside the third groove.
4. The prestress generator for building boards as claimed in claim 1, wherein one end of the threaded rod (10) is provided with a handle (11), and the outer wall of the handle (11) is engraved with anti-slip threads.
5. The prestress generating device for the building board as claimed in claim 1, wherein clamping plates (17) are respectively arranged at the top end and the bottom end of the second fixing plate (16), clamping grooves are respectively formed at the sides of the clamping plates (17) close to each other, clamping blocks (1601) are respectively arranged at the top end and the bottom end of the second fixing plate (16), and the clamping blocks (1601) are matched with the clamping grooves.
6. The prestress generator for building boards as claimed in claim 5, wherein both sides of the clamping plate (17) are provided with fixing rings (18), one side of the fixing ring (18) is provided with a circular through hole, and the fixing ring (18) is provided with a fixing bolt (19) at the circular through hole.
7. The prestress generator for building boards as claimed in claim 1, wherein a fixing sleeve (23) and a fourth fixing rod (25) are respectively disposed at the ends of two said third fixing rods (21) close to each other, a threaded groove is disposed on the outer wall of the fourth fixing rod (25), said fourth fixing rod (25) is disposed inside said fixing sleeve (23), and a threaded sleeve (24) is disposed at one end of said fixing sleeve (23).
8. The prestress generator for building boards as claimed in claim 7, wherein the inner wall of the fixing sheath (23) is provided with a cross-shaped sliding slot, one end of the fourth fixing rod (25) is provided with a cross-shaped sliding block (27), and the cross-shaped sliding block (27) is matched with the cross-shaped sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011252259.7A CN112627537A (en) | 2020-11-11 | 2020-11-11 | Prestress generating device for building board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011252259.7A CN112627537A (en) | 2020-11-11 | 2020-11-11 | Prestress generating device for building board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112627537A true CN112627537A (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011252259.7A Pending CN112627537A (en) | 2020-11-11 | 2020-11-11 | Prestress generating device for building board |
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| Country | Link |
|---|---|
| CN (1) | CN112627537A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506180A (en) * | 2022-02-21 | 2022-05-17 | 上海立达学院有限公司 | Art planar design typeface adjusting device |
-
2020
- 2020-11-11 CN CN202011252259.7A patent/CN112627537A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506180A (en) * | 2022-02-21 | 2022-05-17 | 上海立达学院有限公司 | Art planar design typeface adjusting device |
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