CN220468641U - Device for quickly positioning prefabricated spliced pier - Google Patents
Device for quickly positioning prefabricated spliced pier Download PDFInfo
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- CN220468641U CN220468641U CN202321907416.2U CN202321907416U CN220468641U CN 220468641 U CN220468641 U CN 220468641U CN 202321907416 U CN202321907416 U CN 202321907416U CN 220468641 U CN220468641 U CN 220468641U
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- rod
- pier
- extension board
- reaction frame
- loosening
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- 238000009417 prefabrication Methods 0.000 claims abstract description 5
- 244000309464 bull Species 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 22
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The application relates to a device of pier is assembled in quick location prefabrication belongs to bridge construction field, include: jacking piece and locate the epaxial first extension board of jacking piece output, sliding connection has the second extension board on the first extension board, sliding connection has the reaction frame on the second extension board, reaction frame fixedly connected with is on the pier stud, be equipped with on the second extension board and be used for driving the gliding drive assembly of pier stud direction towards being close to or keeping away from to the reaction frame, the slip direction of second extension board is mutually perpendicular with the slip direction of reaction frame, and when this application was used, the straightness that hangs down of pier stud was adjusted through the jacking piece at first, then adjusts the horizontal position of pier stud through drive assembly, and the regulation precision is high, and the practicality is strong.
Description
Technical Field
The application relates to the field of bridge construction, in particular to a device for quickly positioning a prefabricated spliced pier.
Background
Along with popularization of a prefabrication assembly construction process in urban bridge construction, a steel bar sleeve grouting connection technology is gradually applied to vertical connection of prefabricated concrete members such as prefabricated pier columns. The sleeve is embedded in the pier column, the steel bars are embedded in the bearing platform, clearance fit is formed between the sleeve and the steel bars, and the pier column is lifted during construction, so that the sleeve is aligned with the steel bars and spliced. Because the pier column is different in height by tens of meters, the weight can reach hundred tons, the plane position and the verticality of the pier column need to be repeatedly adjusted in the lifting process, the construction is complex, the risk is high, and the precision is low.
The prior Chinese patent with the publication number of CN 209082341U proposes an assembled bridge prefabrication pier column positioning device, which comprises a plurality of jacking pieces used for adjusting the perpendicularity and the plane position of the prefabrication pier column, wherein the jacking pieces are placed on a bearing platform and are positioned on the outer side of a positioning guide frame, and the jacking pieces are jacks.
For the related art in the above, there are the following drawbacks: during construction, the sleeve on the pier column is aligned with the steel bars on the bearing platform and slides in along the steel bars, a plurality of jacks are fixedly connected to the counter-force frame on the periphery of the pier column according to the position of the pier column, the perpendicularity and the plane position of the pier column are adjusted through the jacking action of the jacks, if the perpendicularity of the pier column is adjusted, the plane position of the pier column is found to be unsuitable, and the jacks are fixedly connected to the pier column, so that the adjustment of the horizontal position of the pier column cannot be continued, and the practicability is low.
Disclosure of Invention
In order to solve the problem that the horizontal position of the pier cannot be adjusted after the verticality of the pier is adjusted by the jack, the application provides a device for quickly positioning the prefabricated spliced pier.
The device for rapidly positioning the prefabricated spliced pier adopts the following technical scheme:
a device for rapidly positioning a prefabricated spliced pier, comprising: jacking piece and locate the first extension board on the jacking piece output shaft, sliding connection has the second extension board on the first extension board, sliding connection has the reaction frame on the second extension board, reaction frame fixed connection is on the pier stud, be equipped with on the second extension board and be used for driving the gliding drive assembly of reaction frame towards being close to or keeping away from pier stud direction, the slip direction of second extension board is mutually perpendicular with the slip direction of reaction frame.
Through adopting above-mentioned technical scheme, at first adjust the straightness that hangs down of pier stud through the jacking piece, then adjust the horizontal position of pier stud through drive assembly, the regulation precision is high, and the practicality is strong.
Optionally: the driving assembly comprises a screw rod rotatably connected to the second support plate, and the screw rod penetrates into the reaction frame and is in threaded connection with the reaction frame.
Through adopting above-mentioned technical scheme, rotate the lead screw, lead screw drive reaction frame removes, and then drives the pier stud and remove, realizes the adjustment to pier stud horizontal position, simple operation, and the lead screw has self-locking function, and is fixed firm.
Optionally: the screw rod is provided with an anti-loosening gear, the second support plate is connected with an anti-loosening tooth block in a sliding manner, and the second support plate is provided with a power assembly for driving the anti-loosening tooth block to slide so that the anti-loosening tooth block is meshed with the anti-loosening gear.
Through adopting above-mentioned technical scheme, accomplish pier stud straightness that hangs down and adjustment of horizontal position back, power component drive locking tooth piece removes, locking tooth piece and locking gear engagement have reduced the in-process lead screw pivoted possibility of pouring concrete, have promoted construction quality.
Optionally: the power component comprises a bolt which is connected to the second support plate through threads, and the end part of the bolt is abutted against one side, far away from the anti-loosening gear, of the anti-loosening gear block.
Through adopting above-mentioned technical scheme, rotate the bolt, the bolt promotes locking tooth piece and removes, until locking tooth piece and locking gear engagement, the simple operation, and the bolt has self-locking function, and locking tooth piece is difficult for the pine to take off, fixes more firmly.
Optionally: the screw rod is provided with a driven bevel gear, a driving rotating rod is rotatably connected between a plurality of second support plates positioned on the same side of the pier stud, the driving rotating rod is provided with driving bevel gears meshed with the driven bevel gears, and the number of the driving bevel gears is the same as that of the driven bevel gears.
Through adopting above-mentioned technical scheme, rotate the initiative bull stick, the initiative bull stick drives a plurality of initiative bevel gears simultaneously and rotates, and a plurality of bevel gears drive a plurality of driven bevel gears simultaneously and rotate, and a plurality of driven bevel gears drive a plurality of lead screws simultaneously and rotate, have realized the pier stud and have adjusted in step with a plurality of reaction frame positions of one side, have improved construction quality and efficiency of construction.
Optionally: the driving rotating rod comprises a first rod body and a second rod body which is connected in the first rod body in a sliding manner along the extending direction of the first rod body, and a fixing assembly for fixing the second rod body is arranged on the first rod body.
By adopting the technical scheme, the lengths and the widths of the pier studs of different types are also different, the intervals among the screw rods positioned on the same side of the pier studs are also different, the lengths of the driving rotating rods are adjusted to adapt to the pier studs of different types, and the pier studs are wide in application range and strong in practicability; when the length of the driving rotating rod is adjusted, the second rod body is pushed to slide along the length direction of the first rod body, and after the second rod body slides to a preset position, the second rod body is fixed by using the fixing component, so that the operation is convenient, time and labor are saved.
Optionally: the fixed assembly comprises a plug rod penetrating through the first rod body, a first jack for the plug rod to penetrate through is arranged on the first rod body, and a plurality of second jacks for the plug rod to penetrate through are arranged on the second rod body at intervals along the extending direction of the second rod body.
Through adopting above-mentioned technical scheme, slide the second body of rod to the preset position after, one of them second jack aligns with first jack, passes first jack and second jack with the inserted bar simultaneously, and the second body of rod is fixed, simple operation, labour saving and time saving.
Optionally: the upper sleeve of the inserted link is provided with a spring, one end of the spring is connected to the inserted link, the other end of the spring is connected to the first rod body, the spring is in a stretching state, and the spring enables the inserted link to slide towards the second rod body.
Through adopting above-mentioned technical scheme, under the effect of spring restoring force, the inserted bar supports tightly in first jack and second jack, and the inserted bar is difficult for the pine to take off, and is fixed more firm.
In summary, the present application has the following beneficial effects:
1. firstly, the perpendicularity of the pier column is adjusted through the jacking piece, then the horizontal position of the pier column is adjusted through the driving assembly, the adjusting precision is high, and the practicability is high.
2. Under the combined action of the anti-loosening tooth block and the anti-loosening gear, the possibility of loosening of the screw rod in the concrete pouring process is reduced, and the construction quality and the construction efficiency are improved.
3. The synchronous adjustment of the screw rods on the same side of the pier column can be realized by rotating the driving rotating rod, so that the construction quality and the construction efficiency are further improved.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present application;
fig. 2 is an enlarged view at a in fig. 1 of an embodiment of the present application.
Reference numerals illustrate:
1. a jacking member; 2. a first support plate; 3. a second support plate; 31. a screw rod; 4. a reaction frame; 5. pier column; 61. a locking gear; 62. locking tooth blocks; 63. a bolt; 71. a driven bevel gear; 72. a driving rotating rod; 73. a drive bevel gear; 81. a first rod body; 82. a second rod body; 83. a rod; 84. a first jack; 85. a second jack; 86. a spring; 91. a first bracket; 92. bearing platform; 93. a second bracket; 94. a collar.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
This embodiment: a device for rapidly positioning a prefabricated spliced pier, referring to fig. 1 and 2, comprising: the vertical jacking piece 1 and fixed connection are in jacking piece 1 output epaxial first extension board 2, and jacking piece 1 is the jack, and first extension board 2 top horizontal sliding connection has second extension board 3, and second extension board 3 top horizontal sliding connection has reaction frame 4, and the slip direction of second extension board 3 is mutually perpendicular with the slip direction of reaction frame 4.
Be equipped with the drive assembly who is used for driving reaction frame 4 towards being close to or keeping away from pier stud 5 direction gliding on the second extension board 3, drive assembly includes fixed connection's first support 91 on the second extension board 3, and the horizontal rotation is connected with lead screw 31 in the first support 91, and the extending direction of lead screw 31 is the same with the slip direction of reaction frame 4, and lead screw 31 penetrates in the reaction frame 4 and with reaction frame 4 threaded connection.
During construction, the pier stud 5 is hoisted to the bearing platform 92 by using a crane, so that the pier stud 5 is preassembled, and in the embodiment, the cross section of the pier stud 5 is rectangular. According to the position of the pier 5, eight positioning devices are installed on the bearing platform 92 on the periphery side of the pier 5, and two positioning devices are arranged on each side of the pier 5. The reaction frame 4 is fixed to the side wall of the pier 5 using high strength bolts.
The perpendicularity and the horizontal position of the pier column 5 are adjusted, and the perpendicularity of the pier column 5 is adjusted under the jacking action of the jacking piece 1. In this embodiment, the length direction of the pier 5 is defined as the transverse direction, the width direction of the pier 5 is defined as the longitudinal direction, and when the horizontal position of the pier 5 is adjusted, the longitudinal position of the pier 5 is adjusted by four positioning devices in the longitudinal direction, and then the transverse position of the pier 5 is adjusted by four positioning devices in the transverse direction. When the longitudinal horizontal position of the pier column 5 is adjusted, the two screw rods 31 on the same side of the pier column 5 are synchronously rotated, the two screw rods 31 on the opposite side of the pier column 5 are reversely and synchronously rotated, and the steps are repeated when the transverse horizontal position of the pier column 5 is adjusted. The adjusting precision is high, and the practicability is strong.
After the verticality and the horizontal position of the pier column 5 are adjusted, concrete is poured into the sleeve, the grouting holes and the gaps between the pier column 5 and the bearing platform 92, and the positioning device is released after the concrete is completely dried.
When concrete is poured, under the impact of the concrete, the screw rod 31 is easy to shake and loose, so in the embodiment, the screw rod 31 is sleeved with the anti-loosening gear 61, the top of the second support plate 3 is slidably connected with the anti-loosening tooth block 62, and the sliding direction of the anti-loosening tooth block 62 is perpendicular to the extending direction of the screw rod 31.
The second support plate 3 is provided with a power component for driving the anti-loosening tooth block 62 to slide so that the anti-loosening tooth block 62 is meshed with the anti-loosening gear 61. The power component comprises a second bracket 93 fixedly connected to the second support plate 3, a bolt 63 is connected to the second bracket 93 in a threaded manner, and the end part of the bolt 63 is abutted against one side, far away from the anti-loosening gear 61, of the anti-loosening tooth block 62.
After the verticality and the horizontal position of the pier stud 5 are adjusted, the bolt 63 is screwed into the second bracket 93, in the process of rotating the bolt 63, the end part of the bolt 63 is abutted against the anti-loosening tooth block 62 and pushes the anti-loosening tooth block 62 to slide until the anti-loosening tooth block 62 is meshed with the anti-loosening gear 61, and under the combined action of the anti-loosening gear 61 and the anti-loosening tooth block 62, the rotation of the screw rod 31 is limited, the possibility of loosening of the screw rod 31 in the concrete pouring process is reduced, and the construction quality is improved.
When the two positioning devices are arranged on the same side of the pier stud 5 and the horizontal position of the pier stud 5 is adjusted, if two staff rotate the two screw rods 31 respectively, time and labor are wasted, the two screw rods 31 are difficult to synchronously rotate, and the pier stud 5 is inclined. Therefore, in this embodiment, a horizontal driving rod 72 is disposed between two second support plates 3 on the same side of the pier stud 5, the driving rod 72 includes a first rod 81 and a second rod 82 slidably connected in the first rod 81 along the extending direction of the first rod 81, and a fixing component for fixing the second rod 82 is disposed on the first rod 81.
The first rod 81 and the second rod 82 are respectively sleeved with a collar 94, and the two collars 94 are respectively detachably connected to the two second support plates 3 through screws. The first rod body 81 and the second rod body 82 are respectively sleeved with a driving bevel gear 73, and the screw rod 31 is sleeved with a driven bevel gear 71 meshed with the driving bevel gear 73.
In construction, the length of the drive rotary rod 72 is adjusted according to the type of the abutment 5, so that the two drive bevel gears 73 are engaged with the two driven bevel gears 71, respectively. During adjustment, the second rod 82 is pushed to slide along the first rod 81, the second rod 82 is fixed by the fixing component after the second rod 82 is slid to a predetermined position, the two collars 94 are respectively mounted on the two second support plates 3 by using the screw rods, and the two drive bevel gears 73 are respectively meshed with the two driven bevel gears 71. The driving rotating rod 72 rotates, and under the transmission action of the driving bevel gear 73 and the driven bevel gear 71, the two screw rods 31 synchronously rotate, so that time and labor are saved, and the construction efficiency and the construction quality are improved.
The fixing assembly comprises an inserting rod 83 penetrating through the end portion of the first rod body 81 in a sliding mode, the inserting rod 83 is perpendicular to the first rod body 81, a first inserting hole 84 for the inserting rod 83 to penetrate through is formed in the first rod body 81, and five second inserting holes 85 for the inserting rod 83 to penetrate through are formed in the second rod body 82 at intervals along the extending direction of the second rod body 82.
In addition, the inserted link 83 is sleeved with a spring 86, one end of the spring 86 is fixedly connected to the inserted link 83, the other end of the spring 86 is fixedly connected to the first rod 81, the spring 86 is in a stretched state, and the spring 86 enables the inserted link 83 to slide towards the second rod 82.
When the length of the driving lever 72 is adjusted, the plunger 83 is first pulled up from the second insertion hole 85, and the spring 86 is in tension. Pushing the second rod 82 to slide along the first rod 81, and sliding the second rod 82 to a predetermined position, wherein a second receptacle 85 is aligned with the first receptacle 84. The plunger 83 is released, the plunger 83 is rebounded into the first jack 84 and the second jack 85 under the restoring force of the spring 86, and the second rod 82 is fixed. The operation is convenient, fixed firm, has improved construction quality and efficiency of construction.
The implementation principle of the device for quickly positioning the prefabricated spliced pier is as follows: during construction, the pier 5 and the bearing platform 92 are preassembled by using the crane, eight positioning devices are installed on the bearing platform 92, two positioning devices are installed on each side of the pier 5, and the reaction frame 4 is fixedly installed on the side wall of the pier 5. Under the jacking action of the jacking piece 1, the perpendicularity of the pier column 5 is adjusted, and under the driving action of the screw rod 31, the horizontal position of the pier column 5 is adjusted.
When the horizontal position of the pier stud 5 is adjusted, the length of the driving rotary rod 72 is adjusted according to the model of the pier stud 5, the second rod 82 is fixed by the inserted rod 83 after the second rod 82 slides to a preset position during adjustment, and the two collars 94 are respectively installed on the two second support plates 3. The driving rotating rod 72 is rotated, and under the transmission action of the driving bevel gear 73 and the driven bevel gear 71, the two screw rods 31 on the same side of the pier column 5 synchronously rotate, so that the horizontal position of the pier column 5 is adjusted. After the adjustment, the bolt 63 is turned to engage the lock gear 61 with the lock tooth block 62.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a device of pier is assembled in quick location prefabrication which characterized in that includes: jacking piece (1) and locate first extension board (2) on jacking piece (1) output shaft, sliding connection has second extension board (3) on first extension board (2), sliding connection has reaction frame (4) on second extension board (3), reaction frame (4) fixed connection is on pier stud (5), be equipped with on second extension board (3) and be used for driving reaction frame (4) towards being close to or keep away from the gliding drive assembly of pier stud (5) direction, the slip direction of second extension board (3) is mutually perpendicular with the slip direction of reaction frame (4).
2. The device for rapidly positioning prefabricated piers according to claim 1, wherein: the driving assembly comprises a screw rod (31) rotatably connected to the second support plate (3), and the screw rod (31) penetrates into the reaction frame (4) and is in threaded connection with the reaction frame (4).
3. The device for rapidly positioning prefabricated piers according to claim 2, wherein: the screw rod (31) is provided with an anti-loosening gear (61), the second support plate (3) is connected with an anti-loosening tooth block (62) in a sliding mode, and the second support plate (3) is provided with a power assembly for driving the anti-loosening tooth block (62) to slide so that the anti-loosening tooth block (62) is meshed with the anti-loosening gear (61).
4. A device for rapidly positioning prefabricated piers according to claim 3, characterized in that: the power assembly comprises a bolt (63) which is connected to the second support plate (3) in a threaded mode, and the end portion of the bolt (63) is abutted to one side, far away from the anti-loosening gear (61), of the anti-loosening gear block (62).
5. The device for rapidly positioning prefabricated piers according to claim 2, wherein: be equipped with driven bevel gear (71) on lead screw (31), be located rotate between a plurality of second extension boards (3) of pier stud (5) same side and be connected with initiative bull stick (72), be equipped with on initiative bull stick (72) with driven bevel gear (71) engaged with initiative bevel gear (73), initiative bevel gear (73) are the same with driven bevel gear (71) quantity.
6. The device for rapidly positioning a prefabricated spliced pier according to claim 5, wherein: the driving rotating rod (72) comprises a first rod body (81) and a second rod body (82) which is connected in the first rod body (81) in a sliding manner along the extending direction of the first rod body (81), and a fixing component for fixing the second rod body (82) is arranged on the first rod body (81).
7. The device for rapidly positioning a prefabricated spliced pier according to claim 6, wherein: the fixed subassembly is including wearing to locate inserted bar (83) on first body of rod (81), be equipped with on first body of rod (81) and supply first jack (84) that inserted bar (83) passed, be equipped with a plurality of second jacks (85) that supply inserted bar (83) to pass along the extending direction interval of second body of rod (82) on second body of rod (82).
8. The device for rapidly positioning a prefabricated spliced pier according to claim 7, wherein: the novel telescopic rod is characterized in that a spring (86) is sleeved on the inserted rod (83), one end of the spring (86) is connected to the inserted rod (83), the other end of the spring (86) is connected to the first rod body (81), the spring (86) is in a stretching state, and the spring (86) enables the inserted rod (83) to slide towards the second rod body (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321907416.2U CN220468641U (en) | 2023-07-19 | 2023-07-19 | Device for quickly positioning prefabricated spliced pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321907416.2U CN220468641U (en) | 2023-07-19 | 2023-07-19 | Device for quickly positioning prefabricated spliced pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220468641U true CN220468641U (en) | 2024-02-09 |
Family
ID=89799229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321907416.2U Active CN220468641U (en) | 2023-07-19 | 2023-07-19 | Device for quickly positioning prefabricated spliced pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220468641U (en) |
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2023
- 2023-07-19 CN CN202321907416.2U patent/CN220468641U/en active Active
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