CN209277008U - Tensioning trolley for prestress application - Google Patents
Tensioning trolley for prestress application Download PDFInfo
- Publication number
- CN209277008U CN209277008U CN201822019830.5U CN201822019830U CN209277008U CN 209277008 U CN209277008 U CN 209277008U CN 201822019830 U CN201822019830 U CN 201822019830U CN 209277008 U CN209277008 U CN 209277008U
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- Prior art keywords
- moving beam
- tensioning
- stringer
- prestress application
- lifting device
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Abstract
The utility model discloses a kind of tensioning trolleys for prestress application, be connected including two parallel horizontal girders with Duo Gen crossbeam the braced frame constituted, braced frame lower part is provided with more support columns, moving beam is additionally provided between two stringers, moving beam one end is placed on a stringer by the first traveling wheel, the moving beam other end is placed on another stringer by the second traveling wheel, lifting device is provided on moving beam, lifting device is mounted on moving beam by driven wheel, and the promotion end of lifting device is connected with tensioning equipment.Realize that moving beam moves on stringer using the first traveling wheel and the second traveling wheel, lifting device is moved by driven wheel along moving beam, recycle the construction height of lifting device control tensioning equipment, to realize that tensioning equipment is arbitrarily moved in X, Y, Z three-dimensional, and then tensioning equipment is quickly moved to designated position, greatly improve the quality and speed of pre-stress construction.
Description
Technical field
The utility model relates to the tensioning equipments of bridge construction, and in particular to a kind of stretching bed for prestress application
Vehicle.
Background technique
At present during bridge construction, prestressed application is the key that prestressed structure construction, the matter of stretching construction
Measure safety and the durability of direct relation full-bridge.Since the structures stretching end portions such as cast-in-place box beam or crossbeam are positioned at high and narrow
Construction area, construction stretching equipment volume is big, heavy, it is difficult to reach designated position, cause stretching construction exist operate it is numerous
The problems such as trivial, waste of manpower, inefficient and construction quality are difficult to ensure.
Summary of the invention
In view of the deficiencies in the prior art, the technical issues of the utility model solves are as follows: how quickly to set tensioning
It is standby to be moved to designated position, to improve the quality and speed of pre-stress construction.
To achieve the above objectives, a kind of tensioning trolley for prestress application provided by the utility model, including two
Parallel horizontal girder is connected the braced frame constituted with Duo Gen crossbeam, and braced frame lower part is provided with more support columns, and two
Moving beam is provided between stringer, moving beam one end is placed on a stringer by the first traveling wheel, and the moving beam other end is logical
It crosses the second traveling wheel to be placed on another stringer, moving beam is provided with lifting device, and lifting device is mounted on by driven wheel
On moving beam, the promotion end of lifting device is connected with tensioning equipment；The braced frame is equipped with guiding device, guiding device with
Moving beam is flexibly connected, and is moved for limiting moving beam along stringer direction.
Based on the above technical solution, the guiding device includes guide rod and the guiding that is set in outside guide rod
Set, guide rod both ends are fixedly connected with crossbeam, and guide rod is arranged in parallel with stringer, and guide sleeve is mounted on moving beam, mobile
Beam is slidably connected by guide sleeve and guide rod.
Based on the above technical solution, the moving beam is provided with the first movable motor, the first movable motor and drive
Driving wheel transmission connection, driving wheel connect with guide rod, are rotated on the guide bar by driving wheel, and moving beam is driven to move along guide rod
It is dynamic.
Based on the above technical solution, the guide rod is provided with Position Scale.
Based on the above technical solution, the guiding device include two with stringer guide plate disposed in parallel,
Each guiding board ends are fixedly connected with crossbeam, and moving beam is opened up there are two pilot hole, and each guide plate passes through a pilot hole
It is slidably connected with moving beam.
Based on the above technical solution, the moving beam is provided with the second movable motor, and two guide plates are tooth
Plate, the second movable motor and two driving wheels are sequentially connected, and each driving wheel is engaged with a tooth plate respectively.
Based on the above technical solution, described two tooth plates are symmetricly set on the two sides of the longitudinal axis of braced frame,
The middle part of moving beam is arranged in second movable motor.
Based on the above technical solution, the tensioning equipment is hydraulic jack, and braced frame is provided with for putting
The connecting platform of stretching oil pump is set, stretching oil pump is connected to by pipeline with hydraulic jack.
Based on the above technical solution, the lifting device is chain block, and the bottom end of support column is provided with ten thousand
To wheel.
Based on the above technical solution, the tensioning trolley further includes the rain insensitive device being welded by steel plate, is prevented
Rain device is mounted on the top of braced frame.
Compared with the prior art, the advantages of the utility model are:
1) realize that moving beam moves on stringer using the first traveling wheel and the second traveling wheel, lifting device passes through driven wheel
It is moved along moving beam, the construction height of lifting device control tensioning equipment is recycled, to realize tensioning equipment in the three-dimensional side X, Y, Z
To any movement, and then tensioning equipment is quickly moved to designated position, greatly improves the quality and speed of pre-stress construction
Degree；
2) it is limited using moving direction of the guiding device to moving beam, it is ensured that the moving direction of moving beam and stringer
Extending direction is parallel, effectively prevent moving beam sideslip, and be accurately positioned to moving beam by Position Scale, guarantees steel strand wires
The control of tensioning precision, improves the construction quality of bridge, is conducive to the security performance and service life that ensure bridge；
3) it is engaged using the driving wheel of movable motor with tooth plate and to be formed self-locking, effectively prevent moving beam in stretching construction process
Middle sliding, to improve the quality of pre-stress construction；
4) stretching oil pump is arranged on the support frame using connecting platform, tensioning trolley is not needed in ferry construction
Stretching oil pump and hydraulic jack are dismantled, pre-stress construction can be put into after the completion of transition, greatly improve construction
Efficiency；
5) by the top of braced frame be arranged rain insensitive device so that tensioning trolley remained under the conditions of adverse weather after
Continuous construction, completes within the scheduled duration to ensure.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model.
Fig. 2 is the left view structural representation of the utility model.
Fig. 3 is the overlooking structure diagram of the utility model.
Fig. 4 is the another overlooking structure diagram of the utility model.
In figure: the first traveling wheel of 1-, 2- moving beam, 3- rain insensitive device, the second traveling wheel of 4-, 5- support column, 6- connection are flat
Platform, 7- driven wheel, 8- lifting device, 9- guide sleeve, 10- stringer, 11- guide rod, 12- crossbeam, 13- guide plate.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Embodiment 1: referring to shown in Fig. 1 and 3, a kind of tensioning trolley for prestress application, including two parallel water
The braced frame of flat stringer 10 and Duo Gen crossbeam 12 (two with the upper beam) composition that joins end to end, braced frame lower part is provided with more
Root support column 5, a moving beam 2 is provided between two stringers 10, and 2 one end of moving beam is placed at one by the first traveling wheel 1
On a stringer 10,2 other end of moving beam is placed on another stringer 10 by the second traveling wheel 4, and moving beam 2 can pass through first
Traveling wheel 1 and the second traveling wheel 4 move freely on two stringers 10.
It is shown in Figure 2, lifting device 8 is provided on the moving beam 2, lifting device 8 is mounted on shifting by driven wheel 7
On dynamic beam 2, driven wheel 7 drives lifting device 8 to move along moving beam 2.The promotion end of lifting device 8 is connected with tensioning equipment, uses
In the construction height of control tensioning equipment.
The braced frame is also equipped with guiding device, and guiding device is flexibly connected with moving beam 2, and guiding device is for limiting
Determine moving beam 2 to move along 10 direction of stringer.Guiding device is limited by the moving direction to moving beam 2, so that it is guaranteed that moving
The moving direction of dynamic beam 2 is parallel with the extending direction of stringer 10 always, prevents 2 sideslip of moving beam.
The utility model embodiment has simple and reliable for structure, realizes movement using the first traveling wheel 1 and the second traveling wheel 4
Beam 2 moves on stringer 10, and lifting device 8 is moved by driven wheel 7 along moving beam 2, recycles lifting device 8 to control tensioning and sets
Standby construction height to realize that tensioning equipment arbitrarily moves in the direction space three-dimensional (X, Y, Z), and then quickly moves tensioning equipment
It moves to designated position, greatly improves the quality and speed of pre-stress construction, ensure safety and the durability of bridge, have
Significant economic benefit and social benefit.
Embodiment 2: on the basis of embodiment 1, shown in Figure 3, the guiding device includes guide rod 11 and guiding
Set 9, guide rod 11 is arranged in parallel with stringer 10, and 11 both ends of guide rod are separately mounted on two crossbeams 12, and guide sleeve 9 is set in
Outside guide rod 11, guide sleeve 9 is mounted on moving beam 2, and moving beam 2 is slidably connected by guide sleeve 9 with guide rod 11.
By the way that the guide rod 11 parallel with stringer 10 is arranged, it is slidably connected using guide sleeve 9 and guide rod 11, to limit
The moving direction of moving beam 2 is parallel with the extending direction of stringer 10 always, prevents 2 sideslip of moving beam.
Embodiment 3: on the basis of embodiment 2, the moving beam 2 is provided with the first movable motor, the first movable motor
It is sequentially connected with driving wheel, driving wheel connect with guide rod 11, rotated on guide rod 11 by driving wheel, drives moving beam 2
It is moved along guide rod 11.Power is provided using driving wheel and guide rod 11 friction of the first movable motor, driving moving beam 2 is along leading
It is mobile to bar 11, while 2 sideslip of moving beam is prevented using guide sleeve 9.
Embodiment 4: on the basis of embodiment 2, the guide rod 11 is provided with Position Scale, for moving beam 2 into
Row is accurately positioned, and is guaranteed the control of steel strand tension precision, is improved the construction quality of bridge, and the safety for ensureing bridge is conducive to
Energy and service life.
Embodiment 5: it is shown in Figure 4 on the basis of embodiment 2, the guiding device include two with stringer 10
Guide plate 13 disposed in parallel, each 13 both ends of guide plate are fixedly connected with two crossbeams 12, and moving beam 2 is opened up there are two leading
Xiang Kong, each guide plate 13 both pass through a pilot hole, are slidably connected with moving beam 2.
Using two with the guide plate 13 disposed in parallel of stringer 10, each guide plate 13 is across a pilot hole, utilization
Two o'clock determines the principle of a line, so that moving beam 2 can only be moved along two parallel guide plates 13, to limit moving beam 2
Moving direction it is parallel with the extending direction of stringer 10 always, prevent 2 sideslip of moving beam.
Embodiment 6: on the basis of embodiment 5, the moving beam 2 is provided with the second movable motor, two guide plates 13
It is tooth plate, the second movable motor and two driving wheels are sequentially connected, and each driving wheel is engaged with a tooth plate respectively, for driving
Dynamic moving beam 2 is moved along tooth plate.
It is engaged using the driving wheel of the second movable motor with tooth plate, on the one hand provides what driving moving beam 2 was moved along tooth plate
On the other hand power is engaged to be formed self-locking with tooth plate by driving wheel, effectively prevent moving beam 2 sliding during stretching construction
It is dynamic, be conducive to the quality for improving pre-stress construction.
Embodiment 7: shown in Figure 4 on the basis of embodiment 6, described two tooth plates are symmetricly set on braced frame
Longitudinal axis two sides, the middle part of moving beam 2 is arranged in the second movable motor.Second movable motor by transmission mechanism respectively with
Two driving wheel connections, each driving wheel is engaged with a tooth plate, for driving moving beam 2 to move along tooth plate.
By the way that tooth plate to be symmetricly set on to the two sides of the longitudinal axis of braced frame, two drives are driven using the second movable motor
Driving wheel synchronous rotary, each driving wheel are engaged with a tooth plate, the extension of the automatic moving direction and stringer 10 for realizing moving beam 2
Direction is parallel, prevents 2 sideslip of moving beam.
Embodiment 8: on the basis of embodiment 1, shown in Figure 1, the tensioning equipment is hydraulic jack, stringer 10
On be provided with connecting platform 6 for placing stretching oil pump, stretching oil pump is connected to by connecting pipe with hydraulic jack.
Stretching oil pump is arranged on the support frame using connecting platform 6, when tensioning trolley needs ferry construction, tensioning
Oil pump is connected to hydraulic jack always by connecting pipe.Compared with existing tensioning trolley, reduce stretching oil pump with it is hydraulic
The dismantlement work of jack can put into pre-stress construction after the completion of transition, greatly improve the efficiency of construction.
Embodiment 9: on the basis of embodiment 1, the lifting device 8 is chain block；The bottom end of the support column 5 is equal
It is provided with universal wheel, is moved integrally during ferry construction convenient for tensioning trolley, the time of equipment transition is shortened, raising is applied
The efficiency of work.
Embodiment 10: shown in Figure 1 on the basis of embodiment 1-9 any embodiment, the tensioning trolley further includes
The rain insensitive device 3 being welded by steel plate, rain insensitive device 3 are mounted on the top of braced frame.Make tensioning by rain insensitive device 3
Trolley remains to continue to construct under the conditions of adverse weather, and effective guarantee completes within the scheduled duration.
The utility model is not only limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products out, however, make any variation in its shape or structure, it is all to have and the utility model phase
Same or similar technical solution, within its protection scope.The content being not described in detail in this specification belongs to ability
The prior art well known to the professional technician of domain.
Claims (10)
1. a kind of tensioning trolley for prestress application, including two parallel horizontal girder (10) He Duogen crossbeam (12) phases
The braced frame even constituted, braced frame lower part are provided with more support columns (5), it is characterised in that: between two stringers (10)
It is provided with moving beam (2), moving beam (2) one end is placed on a stringer (10) by the first traveling wheel (1), moving beam (2)
The other end is placed on another stringer (10) by the second traveling wheel (4), and moving beam (2) is provided with lifting device (8), lifting
Device (8) is mounted on moving beam (2) by driven wheel (7), and the promotion end of lifting device (8) is connected with tensioning equipment；It is described
Braced frame is equipped with guiding device, and guiding device is flexibly connected with moving beam (2), for limiting moving beam (2) along stringer
(10) direction is mobile.
2. being used for the tensioning trolley of prestress application as described in claim 1, it is characterised in that: the guiding device includes leading
To bar (11) and it is set in the guide sleeve (9) of guide rod (11) outside, guide rod (11) both ends are fixedly connected with crossbeam (12), lead
It is arranged in parallel to bar (11) and stringer (10), guide sleeve (9) is mounted on moving beam (2), and moving beam (2) passes through guide sleeve (9)
It is slidably connected with guide rod (11).
3. being used for the tensioning trolley of prestress application as claimed in claim 2, it is characterised in that: moving beam (2) setting
There is the first movable motor, the first movable motor and driving wheel are sequentially connected, and driving wheel is connect with guide rod (11), passes through driving wheel
It is rotated on guide rod (11), drives moving beam (2) mobile along guide rod (11).
4. being used for the tensioning trolley of prestress application as claimed in claim 2, it is characterised in that: guide rod (11) setting
There is Position Scale.
5. being used for the tensioning trolley of prestress application as described in claim 1, it is characterised in that: the guiding device includes two
A with stringer (10) guide plate disposed in parallel (13), each guide plate (13) both ends are fixedly connected with crossbeam (12), are moved
Dynamic beam (2) are opened up there are two pilot hole, and each guide plate (13) passes through a pilot hole and is slidably connected with moving beam (2).
6. being used for the tensioning trolley of prestress application as claimed in claim 5, it is characterised in that: moving beam (2) setting
There is the second movable motor, two guide plates (13) are tooth plate, and the second movable motor and two driving wheels are sequentially connected, each drive
Driving wheel is engaged with a tooth plate respectively.
7. being used for the tensioning trolley of prestress application as claimed in claim 6, it is characterised in that: described two tooth plates are symmetrically set
It sets in the two sides of the longitudinal axis of braced frame, the second movable motor is arranged at the middle part of moving beam (2).
8. being used for the tensioning trolley of prestress application as described in claim 1, it is characterised in that: the tensioning equipment is hydraulic
Jack, braced frame are provided with the connecting platform (6) for placing stretching oil pump, and stretching oil pump passes through pipeline and hydraulic jack
Top connection.
9. being used for the tensioning trolley of prestress application as described in claim 1, it is characterised in that: the lifting device (8) is
The bottom end of chain block, support column (5) is provided with universal wheel.
10. such as the described in any item tensioning trolleys for prestress application of claim 1-9, it is characterised in that: the tensioning
Trolley further includes the rain insensitive device (3) being welded by steel plate, and rain insensitive device (3) is mounted on the top of braced frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019830.5U CN209277008U (en) | 2018-12-03 | 2018-12-03 | Tensioning trolley for prestress application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019830.5U CN209277008U (en) | 2018-12-03 | 2018-12-03 | Tensioning trolley for prestress application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209277008U true CN209277008U (en) | 2019-08-20 |
Family
ID=67609719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822019830.5U Active CN209277008U (en) | 2018-12-03 | 2018-12-03 | Tensioning trolley for prestress application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209277008U (en) |
-
2018
- 2018-12-03 CN CN201822019830.5U patent/CN209277008U/en active Active
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