CN220301164U - Prestressed tendon tensioning equipment - Google Patents
Prestressed tendon tensioning equipment Download PDFInfo
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- CN220301164U CN220301164U CN202321274699.1U CN202321274699U CN220301164U CN 220301164 U CN220301164 U CN 220301164U CN 202321274699 U CN202321274699 U CN 202321274699U CN 220301164 U CN220301164 U CN 220301164U
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- sliding groove
- movable frame
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- tendon tensioning
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- 210000002435 tendon Anatomy 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 244000309464 bull Species 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model belongs to the technical field of building construction, in particular to prestress rib tensioning equipment, which comprises a movable frame, wherein self-locking universal wheels distributed in a rectangular array are fixedly arranged on the lower surface of the movable frame, a first sliding groove is formed in the upper surface of the movable frame, an installation frame is connected with the inner wall of the first sliding groove in a sliding manner, a second sliding groove is formed in the upper surface of the installation frame, and an installation plate is connected with the inner wall of the second sliding groove in a sliding manner. This prestressing tendons stretch-draw equipment is provided with adjusting device through the inner wall in one side at the carriage, and adjusting device includes servo electronic jar, and servo electronic jar's one end and one side inner wall fixed mounting of carriage have reached automatic horizontal and vertical regulation, have not only reduced hand labor, have still improved the effect of efficiency of construction.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to prestressed tendon tensioning equipment.
Background
At present, along with rapid development of road construction, the proportion of bridge occupied in road construction is bigger and bigger, precast beams are more widely applied in bridge design, and most of beam bodies need to be prestressed tensioning, the tensioning engineering quantity of each beam field is larger, in the existing tensioning operation construction process, prestressed jacks are often used for tensioning, and due to the fact that the prestressed jacks are heavier in mass, simple supporting frames and chain blocks are often used for lifting and installing the prestressed jacks as lifting systems, position adjustment operation is very complicated, and material and labor cost in the construction process are increased.
The work bench device of the bridge prestressed tendon tensioning equipment (publication No. CN 215405612U) disclosed in Chinese patent literature, although the winch on the sliding frame is driven to move by the rocking handle in cooperation with the sliding wheel, the adjustment of the prestressed jack is realized, but the adjustment is limited to transverse movement, longitudinal fine adjustment cannot be realized, the practicability is low, and when the rocking handle is manually driven to drive the sliding wheel to rotate, the sliding wheel is easy to slip due to the influence of gravity, so that the labor force is increased, and the construction efficiency is reduced.
Disclosure of Invention
Based on the technical problems that the existing prestressed tendon tensioning equipment can only realize transverse adjustment on a sliding frame, the practicability is low, and the sliding wheel is easy to slip during rotation, the artificial labor force is increased, and the construction efficiency is reduced, the utility model provides the prestressed tendon tensioning equipment.
The utility model provides prestress rib tensioning equipment which comprises a movable frame, wherein self-locking universal wheels distributed in a rectangular array are fixedly arranged on the lower surface of the movable frame, a first sliding groove is formed in the upper surface of the movable frame, an installation frame is connected with the inner wall of the first sliding groove in a sliding mode, a second sliding groove is formed in the upper surface of the installation frame, and an installation plate is connected with the inner wall of the second sliding groove in a sliding mode;
one side inner wall of mounting bracket is provided with adjusting device, and adjusting device includes servo electronic jar, servo electronic jar one end with one side inner wall fixed mounting of mounting bracket.
Preferably, one end of the servo electric cylinder piston rod is fixedly connected with one side surface of the mounting plate, a winch is fixedly mounted on the upper surface of the mounting plate, a winding drum is arranged at the output end of the winch, and a steel wire rope is wound on the inner wall of the winding drum.
Preferably, one end of the steel wire rope penetrates through and extends to the lower surface of the mounting frame, one end of the steel wire rope is fixedly connected with a prestressing jack, and supporting frames which are symmetrically distributed are fixedly arranged on the surfaces of two sides of the movable frame.
Preferably, the four supporting frames are divided into two groups, the inner wall of each group of supporting frames is provided with a rotating rod through a bearing, and the outer surface of the rotating rod is fixedly sleeved with chain wheels which are symmetrically distributed.
Preferably, the surface transmission of sprocket is connected with the chain belt, the both ends of chain belt respectively with the both sides fixed surface of mounting bracket is connected, one of them the fixed surface of bull stick has cup jointed the turbine, the upper surface fixed mounting who removes the frame has servo motor.
Preferably, the output shaft of the servo motor is fixedly provided with a worm through a coupler, and the outer surface of the worm is meshed with the tooth surface of the turbine.
The beneficial effects of the utility model are as follows:
through being provided with adjusting device at one side inner wall of carriage, and adjusting device includes servo electronic jar, servo electronic jar's one end and one side inner wall fixed mounting of carriage have reached and have automated transversely and vertically adjusted, have not only reduced hand labor, have still improved the effect of efficiency of construction.
Drawings
FIG. 1 is a schematic diagram of a tendon tensioning apparatus;
FIG. 2 is a perspective view of a movable frame structure of a tendon tensioning device;
FIG. 3 is a perspective view of a chain belt structure of a tendon tensioning apparatus;
fig. 4 is a perspective view of a mounting frame structure of the tendon tensioning device.
In the figure: 1. a moving rack; 2. self-locking universal wheels; 3. a mounting frame; 4. a mounting plate; 5. a servo electric cylinder; 51. a hoist; 52. winding up a winding drum; 53. a wire rope; 54. a prestressing jack; 55. a support frame; 56. a rotating rod; 57. a sprocket; 58. a chain belt; 59. a turbine; 510. a servo motor; 511. a worm.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a prestressed tendon tensioning device comprises a movable frame 1, wherein self-locking universal wheels 2 distributed in a rectangular array are fixedly arranged on the lower surface of the movable frame 1, a first sliding groove is formed in the upper surface of the movable frame 1, an installation frame 3 is slidably connected to the inner wall of the first sliding groove, a second sliding groove is formed in the upper surface of the installation frame 3, and an installation plate 4 is slidably connected to the inner wall of the second sliding groove;
one side inner wall of the mounting frame 3 is provided with an adjusting device, and the adjusting device comprises a servo electric cylinder 5, and one end of the servo electric cylinder 5 is fixedly arranged on one side inner wall of the mounting frame 3.
Further, in order to achieve transverse and longitudinal adjustment, one end of a piston rod of the servo electric cylinder 5 is fixedly connected with one side surface of the mounting plate 4, a winch 51 is fixedly mounted on the upper surface of the mounting plate 4, a winding drum 52 is arranged at the output end of the winch 51, a steel wire rope 53 is wound on the inner wall of the winding drum 52, the first sliding groove plays a role of transversely adjusting in cooperation with the movable frame 1, and the second sliding groove plays a role of longitudinally adjusting in cooperation with the mounting plate 4.
Further, in order to facilitate adjustment, one end of the steel wire rope 53 penetrates through and extends to the lower surface of the mounting frame 3, one end of the steel wire rope 53 is fixedly connected with the prestressing jack 54, the supporting frames 55 which are symmetrically distributed are fixedly arranged on the surfaces of two sides of the movable frame 1, and the steel wire rope 53 plays a role in facilitating driving the prestressing jack 54 to finely adjust the height and the position.
Further, in order to realize the positioning rotation, the four supporting frames 55 are divided into two groups, the inner wall of each group of supporting frames 55 is provided with a rotating rod 56 through bearings, the outer surface of the rotating rod 56 is fixedly sleeved with chain wheels 57 which are symmetrically distributed, and the supporting frames 55 play a role in matching the rotating rod 56 to perform the positioning rotation.
Further, in order to realize stable adjustment, the outer surface transmission of sprocket 57 is connected with chain belt 58, and the both ends of chain belt 58 are respectively with the both sides fixed surface connection of mounting bracket 3, and the outer surface fixation of one of them bull stick 56 has cup jointed turbine 59, and the upper surface fixed mounting who removes frame 1 has servo motor 510, and sprocket 57 plays stable drive mounting bracket 3 with the cooperation of chain belt 58 and removes the regulation.
Further, in order to achieve shutdown self-locking, the output shaft of the servo motor 510 is fixedly provided with a worm 511 through a coupler, the outer surface of the worm 511 is meshed with the tooth surface of the turbine 59, and the worm 511 and the turbine 59 are matched to achieve self-locking characteristics and improve adjustment stability.
Through being provided with adjusting device at one side inner wall of carriage, and adjusting device includes servo electronic jar 5, servo electronic jar 5's one end and one side inner wall fixed mounting of carriage have reached automatic horizontal and vertical regulation, have not only reduced hand labor force, have still improved the effect of efficiency of construction.
Working principle: firstly, after a movable frame 1 is moved to a proper position, the movable frame is locked through a self-locking universal wheel 2, a winch 51 is started to drive a winding drum 52 to rotate, a steel wire rope 53 drives a pre-stress jack 54 to descend to a proper height, a servo motor 510 is started to drive a worm 511 to rotate, and the rotation of the worm 511 drives a rotating rod 56 to rotate through a meshed turbine 59;
and secondly, the rotation of the rotating rod 56 drives the chain belt 58 to move through the chain wheel 57, so that the movable frame 1 is transversely adjusted in the first sliding groove, after the adjustment is finished, the piston rod of the servo electric cylinder 5 is started to extend, the mounting plate 4 is driven to longitudinally adjust along the second sliding groove, and after the distance is adjusted, the pre-stress jack 54 is mounted on the opposite steel bar anchor cable bundles for construction.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The prestressed tendon tensioning equipment comprises a movable frame (1), and is characterized in that: the self-locking universal wheels (2) distributed in a rectangular array are fixedly arranged on the lower surface of the movable frame (1), a first sliding groove is formed in the upper surface of the movable frame (1), an installation frame (3) is connected to the inner wall of the first sliding groove in a sliding mode, a second sliding groove is formed in the upper surface of the installation frame (3), and an installation plate (4) is connected to the inner wall of the second sliding groove in a sliding mode;
one side inner wall of mounting bracket (3) is provided with adjusting device, and adjusting device includes servo electronic jar (5), the one end of servo electronic jar (5) with one side inner wall fixed mounting of mounting bracket (3).
2. A tendon tensioning apparatus as claimed in claim 1 in which: one end of a piston rod of the servo electric cylinder (5) is fixedly connected with one side surface of the mounting plate (4), a winch (51) is fixedly mounted on the upper surface of the mounting plate (4), a winding drum (52) is arranged at the output end of the winch (51), and a steel wire rope (53) is wound on the inner wall of the winding drum (52).
3. A tendon tensioning apparatus as claimed in claim 2 in which: one end of the steel wire rope (53) penetrates through and extends to the lower surface of the mounting frame (3), one end of the steel wire rope (53) is fixedly connected with a prestressing jack (54), and supporting frames (55) which are symmetrically distributed are fixedly arranged on the surfaces of two sides of the movable frame (1).
4. A tendon tensioning apparatus as claimed in claim 3 in which: the four supporting frames (55) are divided into two groups, the inner wall of each group of supporting frames (55) is provided with a rotating rod (56) through a bearing, and the outer surface of each rotating rod (56) is fixedly sleeved with chain wheels (57) which are symmetrically distributed.
5. A tendon tensioning apparatus as claimed in claim 4 in which: the outer surface transmission of sprocket (57) is connected with chain belt (58), the both ends of chain belt (58) respectively with the both sides fixed surface of mounting bracket (3) is connected, one of them the fixed surface of bull stick (56) has cup jointed turbine (59), the upper surface fixed mounting of movable frame (1) has servo motor (510).
6. A tendon tensioning apparatus as claimed in claim 5 in which: an output shaft of the servo motor (510) is fixedly provided with a worm (511) through a coupler, and the outer surface of the worm (511) is meshed with the tooth surface of the turbine (59).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321274699.1U CN220301164U (en) | 2023-05-24 | 2023-05-24 | Prestressed tendon tensioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321274699.1U CN220301164U (en) | 2023-05-24 | 2023-05-24 | Prestressed tendon tensioning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220301164U true CN220301164U (en) | 2024-01-05 |
Family
ID=89354048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321274699.1U Active CN220301164U (en) | 2023-05-24 | 2023-05-24 | Prestressed tendon tensioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220301164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569445A (en) * | 2024-01-15 | 2024-02-20 | 北京市建筑工程研究院有限责任公司 | Super-long seamless slow-bonding prestressed concrete structure and construction method |
-
2023
- 2023-05-24 CN CN202321274699.1U patent/CN220301164U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569445A (en) * | 2024-01-15 | 2024-02-20 | 北京市建筑工程研究院有限责任公司 | Super-long seamless slow-bonding prestressed concrete structure and construction method |
| CN117569445B (en) * | 2024-01-15 | 2024-03-29 | 北京市建筑工程研究院有限责任公司 | Super-long seamless slow-bonding prestressed concrete structure and construction method |
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