CN216040724U - Vertical prestress wire tensioning device of box bridge - Google Patents
Vertical prestress wire tensioning device of box bridge Download PDFInfo
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- CN216040724U CN216040724U CN202122523271.3U CN202122523271U CN216040724U CN 216040724 U CN216040724 U CN 216040724U CN 202122523271 U CN202122523271 U CN 202122523271U CN 216040724 U CN216040724 U CN 216040724U
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Abstract
The utility model relates to the technical field of steel strand tensioning, in particular to a box-type bridge vertical prestress steel strand tensioning device which comprises an outer shell, an inner shell and a lifting rod, wherein the inner shell is fixedly connected to the bottom of the inner wall of the outer shell, the lifting rod is fixedly connected to the top of the outer shell, an installation assembly is arranged inside the inner shell, the installation assembly comprises a limiting plate, a clamping groove, an inserting groove, a steel strand, a fixing plate and a fixing sleeve, and the limiting plate is arranged on the left side inside the inner shell. This vertical prestressing force steel strand stretching device of box bridge, operating personnel uses a fixed plate card in proper order at the outer wall of steel strand wires, uses many fixed covers to fix the steel strand wires, slides the limiting plate to the left side of fixed plate afterwards, and makes the steel strand wires pass the inner shell, and go into the inside of slot with the cardboard card, use another one fixed plate card afterwards behind the outer wall of steel strand wires, many fixed covers of reuse fix the steel strand wires, thereby accomplish the device's installation.
Description
Technical Field
The utility model relates to the technical field of steel strand tensioning, in particular to a box-type bridge vertical prestress steel strand tensioning device.
Background
The steel strand is a steel product formed by twisting a plurality of steel wires, and a zinc coating, a zinc-aluminum alloy layer, an aluminum coating layer, a copper coating layer, epoxy resin coating and the like can be added on the surface of the carbon steel according to needs.
The steel strand is often used for fixing the box bridge, and before the steel strand is used, the steel strand needs to be tensioned, so that the prestress of the steel strand is tested.
The existing steel strand tensioning device in the market is troublesome to install, so that the steel strand tensioning device has certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a box type bridge vertical prestress steel strand tensioning device to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a vertical prestressing force steel strand stretching device of box bridge, includes shell, inner shell and shadoof, inner shell fixed connection is in the inner wall bottom of shell, shadoof fixed connection is in the top of shell, the inside of inner shell is provided with the installation component.
The installation component comprises a limiting plate, a clamping groove, a slot, a steel strand, a fixed plate and a fixed sleeve, the limiting plate is arranged on the left side of the inner shell, the clamping plate is arranged on the right side of the inner shell, the clamping groove is arranged on the left side of the inner shell, the slot is arranged on the right side of the inner shell, the steel strand is arranged in the inner shell, the fixed plate is connected to the outer wall of the steel strand in a sliding mode, and the fixed sleeve is connected to the outer wall of the steel strand in a sliding mode.
Preferably, the limiting plate is connected with the clamping groove in a clamped mode, an operator can move the shell to enable the limiting plate to be clamped into the clamping groove, the clamping plate is connected with the slot in an inserted mode, and the operator can move the clamping plate to enable the clamping plate to be connected with the slot in an inserted mode.
Preferably, the steel strand runs through limiting plate, inner shell and cardboard to extend to the left side of limiting plate and the right side of cardboard, the outer wall of steel strand respectively with the inner wall that the limiting plate was run through and the inner wall sliding connection that the cardboard was run through, the steel strand can slide in the inside of limiting plate and cardboard.
Preferably, the fixed sleeve is inserted into the fixed plate, and an operator can slide the fixed sleeve to enable the fixed sleeve to enter the fixed plate, so that the fixed sleeve and the fixed plate are installed.
Preferably, the inside of inner shell is provided with the tension assembly, the tension assembly includes manhole, connecting pipe, removal pipe, outflow hole, outflow pipe, sleeve, the lantern ring and snap ring, the manhole is seted up in the inside left side of inner shell, connecting pipe fixed connection is in the top left side of shell, it sets up in the inside of inner shell to remove the pipe, the outflow hole is seted up in the inside right side of inner shell, outflow pipe fixed connection is on the top right side of shell, sleeve fixed connection is in the outside of removing the pipe, lantern ring fixed connection is in telescopic outer wall left side, snap ring fixed connection is on telescopic outer wall right side.
Preferably, the access hole penetrates through the inner shell and the outer shell and is communicated with the connecting pipe, one end, far away from the outer shell, of the connecting pipe is communicated with an external air compressor, and after an operator starts the external air compressor, compressed air enters the inner portion of the inner shell through the connecting pipe and the access hole.
Preferably, the outflow hole runs through inner shell and shell to with the outflow pipe intercommunication, the one end that the shell was kept away from to the outflow pipe communicates with two external air compressors, and after operating personnel started two external air compressors, the inside air of inner shell was taken out through outflow hole and outflow pipe, the inner wall sliding connection of the even inner shell of outer wall of the lantern ring and snap ring.
Compared with the prior art, the utility model has the beneficial effects that:
1. this vertical prestressing force steel strand stretching device of box bridge, operating personnel uses a fixed plate card in proper order at the outer wall of steel strand wires, use many fixed covers to fix the steel strand wires, slide the limiting plate to the left side of fixed plate afterwards, and make the steel strand wires pass the inner shell, and go into the inside of slot with the cardboard card, use another fixed plate card after the outer wall of steel strand wires afterwards, many fixed covers of reuse are fixed the steel strand wires, thereby accomplish the device's installation, and easy operation is convenient, it is comparatively troublesome when installing to have solved present current steel strand stretching device on the market, consequently, the problem of certain limitation has.
2. This vertical prestress wire tensioning equipment of box bridge, operating personnel are connected connecting pipe and outlet pipe with external air compressor machine one and external air compressor machine two respectively, after the start-up, aerify and breathe in through external air compressor machine one and external air compressor machine two pairs of inner shells for the removal pipe removes, and this kind of tensile mode can avoid appearing the condition that hydraulic oil leaked, thereby guarantees the clean and tidy of device.
Drawings
FIG. 1 is an enlarged front cross-sectional view of the overall structure of the present invention;
FIG. 2 is an enlarged front cross-sectional view of the housing structure of the present invention;
FIG. 3 is an enlarged schematic view of the front side of the steel strand structure of the present invention;
fig. 4 is an enlarged front cross-sectional view of the moving tube structure of the present invention.
In the figure: 1. a housing; 2. an inner shell; 3. lifting a rod; 4. mounting the component; 401. a limiting plate; 402. clamping a plate; 403. a card slot; 404. a slot; 405. steel strand wires; 406. a fixing plate; 407. fixing a sleeve; 5. a tensioning assembly; 501. an access hole; 502. a connecting pipe; 503. moving the tube; 504. an outflow hole; 505. an outflow tube; 506. a sleeve; 507. a collar; 508. a snap ring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a vertical prestressing force steel strand stretching device of box bridge, includes shell 1, inner shell 2 and shadoof 3, and 2 fixed connection in the inner wall bottom of shell 1 of inner shell, 3 fixed connection in the top of shell 1 of shadoof 3, the inside of inner shell 2 is provided with installation component 4, and the inside of inner shell 2 is provided with stretching component 5.
The mounting component 4 comprises a limiting plate 401, a clamping plate 402, a clamping groove 403, a slot 404, a steel strand 405, a fixing plate 406 and a fixing sleeve 407, the limiting plate 401 is arranged on the left side of the inside of the inner shell 2, the clamping plate 402 is arranged on the right side of the inside of the inner shell 2, the clamping groove 403 is arranged on the left side of the inside of the inner shell 2, the limiting plate 401 is clamped with the clamping groove 403, an operator can move the outer shell 1 to clamp the limiting plate 401 into the clamping groove 403, the slot 404 is arranged on the right side of the inside of the inner shell 2, the clamping plate 402 is inserted into the slot 404, the operator can move the clamping plate 402 to insert the clamping plate 402 into the slot 404, the steel strand 405 is arranged inside the inner shell 2, the steel strand 405 penetrates through the limiting plate 401, the inner shell 2 and the clamping plate 402 and extends to the left side of the limiting plate 401 and the right side of the clamping plate 402, the outer wall of the steel strand 405 is respectively connected with the inner wall through which the limiting plate 401 and the inner wall through which the clamping plate 402 are in a sliding manner, the steel strand 405 can slide inside the limiting plate 401 and the clamping plate 402, the fixing plate 406 is slidably connected to the outer wall of the steel strand 405, the fixing sleeve 407 is inserted into the fixing plate 406, an operator can slide the fixing sleeve 407 to enable the fixing sleeve 407 to enter the fixing plate 406, so that the installation between the fixing sleeve 407 and the fixing plate 406 is completed, the operator sequentially uses one fixing plate 406 to clamp on the outer wall of the steel strand 405, uses a plurality of fixing sleeves 407 to fix the steel strand 405, then slides the limiting plate 401 to the left side of the fixing plate 406, enables the steel strand 405 to pass through the inner shell 2, and clamps the steel strand 405 into the slot 404 by using the clamping plate 402, then uses the other fixing plate 406 to clamp on the outer wall of the steel strand 405, and uses a plurality of fixing sleeves 407 to fix the steel strand 405 again, so that the installation of the device is completed, the operation is simple and convenient, and the problem that the existing steel strand 405 tensioning device on the market is troublesome to install and has certain limitation is solved.
The tensioning assembly 5 comprises an inlet hole 501, a connecting pipe 502, a moving pipe 503, an outlet hole 504, an outlet pipe 505, a sleeve 506, a collar 507 and a snap ring 508, wherein the inlet hole 501 is arranged at the left side of the inside of the inner shell 2, the connecting pipe 502 is fixedly connected to the left side of the top of the outer shell 1, the inlet hole 501 penetrates through the inner shell 2 and the outer shell 1 and is communicated with the connecting pipe 502, one end of the connecting pipe 502 far away from the outer shell 1 is communicated with an external air compressor I, after an operator starts the external air compressor I, compressed air enters the inside of the inner shell 2 through the connecting pipe 502 and the inlet hole 501, the moving pipe 503 is arranged inside the inner shell 2, the outlet hole 504 is arranged at the right side of the inside of the inner shell 2, the outlet pipe 505 is fixedly connected to the right side of the top of the outer shell 1, the outlet hole 504 penetrates through the inner shell 2 and the outer shell 1 and is communicated with the outlet pipe 505, one end of the outlet pipe 505 far away from the outer shell 1 is communicated with the external air compressor II, after the operator starts the external air compressor, the inside air of inner shell 2 is taken out through outflow hole 504 and outflow pipe 505, sleeve 506 fixed connection is in the outside of removing pipe 503, lantern ring 507 fixed connection is on the left of the outer wall of sleeve 506, snap ring 508 fixed connection is on the right of the outer wall of sleeve 506, the outer wall of lantern ring 507 and the even inner wall sliding connection of inner shell 2 of the outer wall of snap ring 508, operating personnel is connected connecting pipe 502 and outflow pipe 505 with external air compressor machine one and external air compressor machine two respectively, after starting, aerify and breathe in through external air compressor machine one and external air compressor machine two pairs of inner shell 2, make and remove pipe 503 and remove, this kind of tensile mode, the condition that hydraulic oil leakage can avoid appearing, thereby guarantee the clean and tidy of device.
When the device is used, an operator clamps one fixing plate 406 on the outer wall of the steel strand 405, fixes the steel strand 405 by using a plurality of fixing sleeves 407, slides the limiting plate 401 to the left side of the fixing plate 406, enables the steel strand 405 to penetrate through the inner shell 2, clamps the clamping plate 402 into the inner part of the slot 404, clamps the other fixing plate 406 on the outer wall of the steel strand 405, fixes the steel strand 405 by using a plurality of fixing sleeves 407 again, starts the external air compressor I and the external air compressor II, compresses external air by the external air compressor I, conveys the compressed air to the inner part of the clamping slot 403 through the connecting pipe 502 and the inlet hole 501, extracts air in a gap between the lantern ring 507 and the clamping ring 508 by the external air compressor II, enables the moving pipe 503 to move under the pushing of high-pressure air and the vacuum adsorption effect, and stretches the steel strand 405, after the tensioning is finished, the operator reverses the first external air compressor and the second external air compressor, so that the movable pipe 503 is reset, and the operator can detach the device at the moment.
Claims (7)
1. The utility model provides a vertical prestressing force steel strand stretching device of box bridge, includes shell (1), inner shell (2) and shadoof (3), its characterized in that: the inner shell (2) is fixedly connected to the bottom of the inner wall of the outer shell (1), the lifting rod (3) is fixedly connected to the top of the outer shell (1), and the inner part of the inner shell (2) is provided with a mounting assembly (4);
installation component (4) include limiting plate (401), cardboard (402), draw-in groove (403), slot (404), steel strand wires (405), fixed plate (406) and fixed cover (407), limiting plate (401) set up in the inside left side of inner shell (2), cardboard (402) set up in the inside right side of inner shell (2), the inside left side of inner shell (2) is seted up in draw-in groove (403), the inside right side of inner shell (2) is seted up in slot (404), steel strand wires (405) set up in the inside of inner shell (2), fixed plate (406) sliding connection is in the outer wall of steel strand wires (405), fixed cover (407) sliding connection is in the outer wall of steel strand wires (405).
2. The box bridge vertical prestress steel strand tensioning device of claim 1, characterized in that: the limiting plate (401) is clamped with the clamping groove (403), and the clamping plate (402) is inserted into the slot (404).
3. The box bridge vertical prestress steel strand tensioning device of claim 1, characterized in that: the steel strand wires (405) run through limiting plate (401), inner shell (2) and cardboard (402) to extend to the left side of limiting plate (401) and the right side of cardboard (402), the outer wall of steel strand wires (405) respectively with the inner wall that limiting plate (401) were run through and the inner wall sliding connection that cardboard (402) were run through.
4. The box bridge vertical prestress steel strand tensioning device of claim 1, characterized in that: the fixing sleeve (407) is inserted with the fixing plate (406).
5. The box bridge vertical prestress steel strand tensioning device of claim 1, characterized in that: a tension assembly (5) is arranged in the inner shell (2), the tension assembly (5) comprises an inlet hole (501), a connecting pipe (502), a moving pipe (503), an outlet hole (504), an outlet pipe (505), a sleeve (506), a lantern ring (507) and a snap ring (508), the inlet hole (501) is arranged at the left side of the inner part of the inner shell (2), the connecting pipe (502) is fixedly connected with the left side of the top part of the outer shell (1), the moving pipe (503) is arranged inside the inner shell (2), the outflow hole (504) is arranged on the right side inside the inner shell (2), the outflow pipe (505) is fixedly connected with the right side of the top of the shell (1), the sleeve (506) is fixedly connected with the outside of the moving pipe (503), the lantern ring (507) is fixedly connected to the left side of the outer wall of the sleeve (506), and the snap ring (508) is fixedly connected to the right side of the outer wall of the sleeve (506).
6. The box bridge vertical prestress steel strand tensioning device of claim 5, characterized in that: the inlet hole (501) penetrates through the inner shell (2) and the outer shell (1) and is communicated with a connecting pipe (502), and one end, far away from the outer shell (1), of the connecting pipe (502) is communicated with an external air compressor.
7. The box bridge vertical prestress steel strand tensioning device of claim 5, characterized in that: the outflow hole (504) penetrates through the inner shell (2) and the outer shell (1) and is communicated with an outflow pipe (505), one end, far away from the outer shell (1), of the outflow pipe (505) is communicated with an external air compressor, and the outer wall of the lantern ring (507) is in sliding connection with the inner wall of the inner shell (2) uniformly arranged on the outer wall of the clamping ring (508).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122523271.3U CN216040724U (en) | 2021-10-20 | 2021-10-20 | Vertical prestress wire tensioning device of box bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122523271.3U CN216040724U (en) | 2021-10-20 | 2021-10-20 | Vertical prestress wire tensioning device of box bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216040724U true CN216040724U (en) | 2022-03-15 |
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ID=80549619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122523271.3U Active CN216040724U (en) | 2021-10-20 | 2021-10-20 | Vertical prestress wire tensioning device of box bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216040724U (en) |
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2021
- 2021-10-20 CN CN202122523271.3U patent/CN216040724U/en active Active
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