CN106758848A - For the vertical prestressing bar intelligent tensioning equipment and application method of bridge construction - Google Patents
For the vertical prestressing bar intelligent tensioning equipment and application method of bridge construction Download PDFInfo
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- CN106758848A CN106758848A CN201710043956.3A CN201710043956A CN106758848A CN 106758848 A CN106758848 A CN 106758848A CN 201710043956 A CN201710043956 A CN 201710043956A CN 106758848 A CN106758848 A CN 106758848A
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 7
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 52
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 14
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 210000003205 muscle Anatomy 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 106
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- 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
- E04G21/121—Construction of stressing jacks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
For the vertical prestressing bar intelligent tensioning equipment of bridge construction, it is characterized in that：Including hoist cylinder, vehicle frame and tensioning adjusting means, the hoist cylinder connecting vehicle frame, the hoist cylinder drives the linear displacement up and down of tensioning adjusting means；The tensioning adjusting means includes tensioning oil cylinder, support frame, hydraulic spanner, connecting rod and wrench socket, both support frame as described above support tensioning oil cylinders are relatively fixed installation, connecting rod one end connects tensioning oil cylinder, the connecting rod other end is provided with the adapter sleeve for connecting vertical prestressing bar, connecting rod can be driven during tensioning oil cylinder expanding-contracting action, the wrench socket is coaxially disposed with connecting rod, and hydraulic spanner drives wrench socket to rotate.
Description
Technical field
Vertical prestressing bar intelligent tensioning equipment and application method the present invention relates to be used for bridge construction.
Background technology
China Patent Publication No. CN202764001U, tensioning equipment in disclosed annular concrete electric pole prestressing force, including
There are card nut, tensioning wild card nut, support in the tensioning oil cylinder, tensioning that punching leading screw is threadedly coupled successively with the punching leading screw
Pin, tightening nut, tension rod, stretch board, the end plate being also arranged on tension rod, be arranged on the stretch board outer ring steel
Mould, said structure is only capable of realizing tensioning to vertical prestressing bar, but cannot realize fastening positioning, unitary function and structure is multiple
It is miscellaneous.
The content of the invention
It is to solve the problems, such as prior art that the purpose of the present invention is, there is provided one kind is capable of achieving to vertical prestressing bar
The vertical prestressing bar intelligent tensioning equipment and application method for bridge construction for tensing and fastening.
The technical solution adopted by the present invention is as follows：For the vertical prestressing bar intelligent tensioning equipment of bridge construction, it is special
Levying is：Including hoist cylinder, vehicle frame and tensioning adjusting means, the hoist cylinder connecting vehicle frame, the hoist cylinder drives to be opened
Draw the linear displacement up and down of adjusting means；The tensioning adjusting means includes tensioning oil cylinder, support frame, hydraulic spanner, connecting rod
And wrench socket, support frame as described above support both tensioning oil cylinder is relatively fixed installations, and connection tensioning oil cylinder in connecting rod one end is connected
The bar other end is provided with the adapter sleeve for connecting vertical prestressing bar, and connecting rod can be driven during tensioning oil cylinder expanding-contracting action, described
Wrench socket is coaxially disposed with connecting rod, and hydraulic spanner drives wrench socket to rotate；Also include control hoist cylinder, tensioning oil cylinder
With the hydraulic control system of hydraulic spanner；Hydraulic control system includes hydraulic pump, return filter, the tensioning of control tensioning oil cylinder
Oil circuit group, the spanner oil circuit group of control hydraulic spanner, the lifting oil circuit group of control hoist cylinder, the oil inlet of hydraulic pump and oil return
The oil-out of filter is connected, and the tensioning oil circuit group, spanner oil circuit group, the oil return of lifting oil circuit group connect oil return filter respectively
The oil inlet of device；The tensioning oil circuit group, spanner oil circuit group, the oil-feed of lifting oil circuit group connect the oil-out of hydraulic pump respectively.
Furtherly, the wrench socket is set in connecting rod and/or adapter sleeve periphery.
Furtherly, also including the lifting stabilizing mechanism for stablizing the upper and lower linear displacement of tensioning adjusting means, lifting is steady
Determining mechanism includes guide pillars and bushes, and guide pin bushing is set in outside guide pillar, and guide pin bushing is slided along guide pillar, and guide pin bushing is fixedly connected with support frame, leads
Post is fixedly connected with vehicle frame；Also or, guide pin bushing is fixedly connected with vehicle frame, guide pillar is fixedly connected with support frame.
Furtherly, also including the lifting stabilizing mechanism for stablizing the upper and lower linear displacement of tensioning adjusting means, lifting is steady
Determining mechanism includes X-type support and lifting frame, and the relative both sides of lifting frame are equipped with X-type support, and X-type support includes at least two supports
Bar, two struts intersect setting；Wherein one end of a strut is pivotally connected with vehicle frame, and the other end is slidably installed with lifting frame；Another support
One end of bar is slidably installed with vehicle frame, the other end and the lifting frame pivot joint of another strut；Support frame as described above is fixed with lifting frame and connected
Connect.
Furtherly, the hoist cylinder is oil cylinder or cylinder or motor.
Furtherly, described hoist cylinder one end connecting vehicle frame, hoist cylinder other end connection lifting frame, so as to drive liter
Drop frame drives the lifting of tensioning adjusting means.
Furtherly, the strut and vehicle frame are slidably installed including pulley, and the vehicle frame, lifting frame be respectively equipped with cunning
Groove, the pulley is pivotally connected with strut, and pulley to be located in chute extended to along chute and slides.
Furtherly, also including wheel, bottom of frame is provided with wheel.
Furtherly, the adapter sleeve is fining twisted steel nut, and adapter sleeve connects with connecting rod, vertical prestressing bar screw thread
Connect.
Furtherly, support frame includes biside plate, upper cross plate and lower cross plate, upper cross plate and lower cross plate in setting up and down, on
There is space spacing, the two ends of upper and lower transverse slat are fixedly connected with biside plate respectively, upper cross plate, lower horizontal stroke between transverse slat and lower cross plate
Through hole is respectively equipped with plate.
Furtherly, tensioning oil circuit group includes the first solenoid directional control valve, the first Double throttle check valve, the first bidirectional hydraulic
Lock, pressure gauge, first pressure sensor；First solenoid directional control valve includes 1A# hydraulic fluid ports, 1B# hydraulic fluid ports, 1T# hydraulic fluid ports, 1P# hydraulic fluid ports；The
One Double throttle check valve includes meter in passage, meter out passage；First bidirectional hydraulic lock includes that oil inlet passage, oil return lead to
Road；The A# hydraulic fluid ports, meter out passage, drainback passage are connected to form tensioning oil return circuit；The B# hydraulic fluid ports, meter in
Passage, oil inlet passage are connected to form tensioning oil-feed oil circuit；The tensioning oil-feed oil circuit, tensioning oil return circuit are respectively equipped with pressure
Table, tensioning oil-feed oil circuit is additionally provided with first pressure sensor.
Furtherly, spanner oil circuit group includes the second solenoid directional control valve, second throttle, second pressure sensor, spanner
Oil-feed oil circuit, spanner oil return circuit；Second solenoid directional control valve includes 2A# hydraulic fluid ports, 2B# hydraulic fluid ports, 2T# hydraulic fluid ports, 2P# hydraulic fluid ports；Second
Double throttle check valve includes 2# meter ins passage, 2# meter out passages；The 2A# hydraulic fluid ports, 2# meter outs passage are connected
It is logical to form spanner oil return circuit；The 2B# hydraulic fluid ports, 2# meter in passages are connected to form spanner oil-feed oil circuit；The spanner
Oil-feed oil circuit, spanner oil return circuit are respectively equipped with second pressure sensor；
Furtherly, oil circuit group, including the 3rd solenoid directional control valve, the 3rd choke valve, the 3rd bidirectional hydraulic lock, the 3rd are lifted
Pressure sensor, lifting oil-feed oil circuit, lifting oil return circuit；3rd solenoid directional control valve include 3A# hydraulic fluid ports, 3B# hydraulic fluid ports,
3T# hydraulic fluid ports, 3P# hydraulic fluid ports；3rd choke valve includes 3# meter ins passage, 3# meter out passages；3rd bidirectional hydraulic lock bag
Include 3# oil inlet passages, 3# drainback passages；The 3A# hydraulic fluid ports, 3# meter outs passage, 3# drainback passages are connected to be formed to rise and drop back to
Oil circuit；The 3B# hydraulic fluid ports, 3# meter ins passage, 3# oil inlet passages are connected to form lifting oil-feed oil circuit；It is described lift into
Oil circuit, lifting oil return circuit are respectively equipped with pressure gauge, and lifting oil-feed oil circuit is additionally provided with the 3rd pressure sensor.
For the application method of the vertical prestressing bar intelligent tensioning equipment of bridge construction, including for the perpendicular of bridge construction
Working condition during mobile status and tensioning vertical prestressing bar during to presstressed reinforcing steel intelligent tensioning equipment displacement；Mobile status
When, hoist cylinder drives tensioning adjusting means to depart from ground, and the whole vertical prestressing bar intelligent tensioning for being used for bridge construction sets
It is standby to be carried out by wheel, carry out to tensioning position, start-up operation state；During working condition, hoist cylinder drives support
With vertical prestressing bar be fixedly connected connecting rod by bridge joint tread surface, adapter sleeve, and tensioning oil cylinder tenses vertical prestressing bar, hydraulic pressure
Spanner tightens the nut for being threaded in vertical prestressing bar, stops when being screwed to setup parameter, adapter sleeve release connecting rod with
Connection between vertical prestressing bar, hoist cylinder drives tensioning adjusting means to depart from ground, so circulation.
The present invention is had the advantage that compared to existing technology：The present invention is integrated with tensioning and turns fastening function simultaneously, has
Functional integrated level is concentrated, settable to tighten parameter the advantages of automation mechanized operation degree is high, and same standard is realized to cable tensios control
Control.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment of the present invention 1.
Structural representation when Fig. 2 is 1 mobile status of embodiment of the present invention.
Structural representation when Fig. 3 is 1 working condition of embodiment of the present invention.
Fig. 4 is the structural representation at another visual angles of Fig. 1.
Structural representation when Fig. 5 is 2 mobile status of embodiment of the present invention.
Structural representation when Fig. 6 is 2 working condition of embodiment of the present invention.
Fig. 7 is the structural representation of embodiment of the present invention 2.
Fig. 8 is the structural representation of tensioning adjusting means of the present invention.
Fig. 9 is the A-A cross section structure diagrams of Fig. 8.
Figure 10 is the structural representation of support frame of the present invention.
Figure 11 is the structural representation of hydraulic control system of the present invention.
Figure 12 is the structural representation of the first solenoid directional control valve of the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
As shown in Figures 1 to 4, the vertical prestressing bar intelligent tensioning equipment of bridge construction, bag are used for described in the present embodiment
Include the vehicle frame 2 of hoist cylinder 1 and tensioning adjusting means 3, one end connecting vehicle frame 2 of the hoist cylinder 1, hoist cylinder 1 it is flexible
End connection tensioning adjusting means 3, the hoist cylinder 1 drives the linear displacement up and down of tensioning adjusting means 3.
The tensioning adjusting means 3 as shown in Fig. 8 to Fig. 9 includes tensioning oil cylinder 31, support frame 32, hydraulic spanner 33, company
Extension bar 34 and wrench socket 35, both are relatively fixed installation with the support tensioning of support frame as described above 32 oil cylinder 31, and the one end of connecting rod 34 connects
Tensioning oil cylinder 31 is connect, the other end of connecting rod 34 is provided with the adapter sleeve 36 for connecting vertical prestressing bar 6, and tensioning oil cylinder 31 stretches
Connecting rod 34 can be driven during action, the wrench socket 35 is coaxially disposed with connecting rod 34, and wrench socket 35 is set in connecting rod
34 or adapter sleeve 36 outside, the hydraulic spanner 33 drive wrench socket 35 rotate.The telescopic end connection support frame of hoist cylinder 1
32, tensioning oil cylinder 31, hydraulic spanner 33 are fixedly mounted and with the lifting of support frame 32 1 with support frame 32 respectively.
As shown in Figure 10, the present embodiment support frame as described above 32 includes two side plates 321, upper cross plate 322 and lower cross plates 323,
Upper cross plate 322 and lower cross plate 323 have space spacing, upper and lower transverse slat in setting up and down between upper cross plate 322 and lower cross plate 323
322nd, 323 two ends are fixedly connected with biside plate 321 respectively, and through hole 320 is respectively equipped with upper cross plate 322, lower cross plate 323.Liquid
Pressure spanner 33 is arranged between upper cross plate 322 and lower cross plate 323, and support frame 32 is relatively fixed installation with hydraulic spanner 33；Connection
Adapter sleeve 36 is connected after the penetrated through via holes 320 of bar 34, wrench socket 35 is located at the periphery of adapter sleeve 36.Wrench socket described in the present embodiment
35 are set in connecting rod 34 and/or the periphery of adapter sleeve 36.
As shown in Figures 1 to 4, also include for stablizing tensioning adjusting means linear displacement about 3 described in the present embodiment
Lifting stabilizing mechanism, lifting stabilizing mechanism includes guide pillar 41 and guide pin bushing 42, and guide pin bushing 42 is set in outside guide pillar 41, and guide pin bushing 42 is along guide pillar
41 slide, and guide pin bushing 42 is fixedly connected with support frame 32, and guide pillar 41 is fixedly connected with vehicle frame 2；Also or, guide pin bushing 42 is fixed with vehicle frame 2
Connection, guide pillar 41 is fixedly connected with support frame 32.The lifting stabilizing mechanism is 4, is symmetric, and lifting stabilizing mechanism can
The linear displacement up and down of stabilization tensioning adjusting means 3, the structure has simple structure, the advantages of stable.
Hoist cylinder 1 described in the present embodiment is oil cylinder or cylinder or motor.
As shown in Figures 1 to 4, the present embodiment also includes wheel 5, and the bottom of vehicle frame 2 is provided with wheel 5.Wheel 5 is installed
Vertical prestressing bar intelligent tensioning equipment for bridge construction is easy to movement.
Adapter sleeve 36 described in the present embodiment is fining twisted steel nut.
As shown in figure 11, the present embodiment also includes the hydraulic control system of control hoist cylinder, tensioning oil cylinder and hydraulic spanner
System；Hydraulic control system includes hydraulic pump 8, return filter 9, the tensioning oil circuit group of control tensioning oil cylinder, control hydraulic spanner
Spanner oil circuit group, the lifting oil circuit group of control hoist cylinder, the oil inlet of hydraulic pump 8 and the oil-out phase of return filter 9
Connection, the tensioning oil circuit group, spanner oil circuit group, the oil return of lifting oil circuit group are linked back the oil inlet of oil strainer 9 respectively；It is described
Tensioning oil circuit group, spanner oil circuit group, the oil-feed of lifting oil circuit group connect the oil-out of hydraulic pump 8 respectively.
Tensioning oil circuit group described in the present embodiment includes the first solenoid directional control valve Y1-1, the first Double throttle check valve Y1-2, the
One bidirectional hydraulic lock Y1-3, pressure gauge Y1-4, first pressure sensor Y1-5；First solenoid directional control valve Y1-1 include 1A# hydraulic fluid ports,
1B# hydraulic fluid ports, 1T# hydraulic fluid ports, 1P# hydraulic fluid ports；First Double throttle check valve Y1-2 includes meter in passage, meter out passage；The
One bidirectional hydraulic lock Y1-3 includes oil inlet passage, drainback passage；The 1A# hydraulic fluid ports, meter out passage, drainback passage are connected
Form tensioning oil return circuit H1；The 1B# hydraulic fluid ports, meter in passage, oil inlet passage are connected to form tensioning oil-feed oil circuit J1；
The tensioning oil-feed oil circuit J1, tensioning oil return circuit H1 are respectively equipped with pressure gauge Y1-4, and tensioning oil-feed oil circuit J1 is additionally provided with first
Pressure sensor Y1-5.
Spanner oil circuit group described in the present embodiment includes the second solenoid directional control valve Y2-1, second throttle Y2-2, second pressure
Sensor Y2-4, spanner oil-feed oil circuit J2, spanner oil return circuit H2；Second solenoid directional control valve Y2-1 includes 2A# hydraulic fluid ports, 2B# oil
Mouth, 2T# hydraulic fluid ports, 2P# hydraulic fluid ports；Second Double throttle check valve includes 2# meter ins passage, 2# meter out passages；The 2A#
Hydraulic fluid port, 2# meter out passages are connected to form spanner oil return circuit H2；The 2B# hydraulic fluid ports, 2# meter in passages are connected
Form spanner oil-feed oil circuit J2；The spanner oil-feed oil circuit J2, spanner oil return circuit H2 are respectively equipped with second pressure sensor Y2-
4。
Lift oil circuit group described in the present embodiment, including it is the 3rd solenoid directional control valve Y3-1, the 3rd choke valve Y3-2, the 3rd two-way
Hydraulic lock Y3-3, the 3rd pressure sensor Y3-4, lifting oil-feed oil circuit J3, lifting oil-feed oil circuit H3, the 3rd pressure gauge Y3-5；Institute
Stating the 3rd solenoid directional control valve Y3-1 includes 3A# hydraulic fluid ports, 3B# hydraulic fluid ports, 3T# hydraulic fluid ports, 3P# hydraulic fluid ports；3rd choke valve Y3-2 includes 3#
Meter in passage, 3# meter out passages；3rd bidirectional hydraulic lock Y3-3 includes 3# oil inlet passages, 3# drainback passages；It is described
3A# hydraulic fluid ports, 3# meter outs passage, 3# drainback passages are connected to form lifting oil-feed oil circuit H3；The 3B# hydraulic fluid ports, 3# oil-feeds
Throttling passage, 3# oil inlet passages are connected to form lifting oil-feed oil circuit J3；The lifting oil-feed oil circuit J3, lifting oil-feed oil circuit H3
The 3rd pressure gauge Y3-5 is respectively equipped with, lifting oil-feed oil circuit J3 is additionally provided with the 3rd pressure sensor Y3-4.
First solenoid directional control valve Y1-1, the second solenoid directional control valve Y2-1, the 3rd solenoid directional control valve Y3-1 described in the present embodiment
Structure is identical, and three is separately mounted to diverse location, and the Main Function for rising is essentially identical, for ease of distinguishing in technical term
Plus numbering before " solenoid directional control valve ", its structure is as shown in figure 12.
Embodiment 2
As shown in Figures 5 to 9, the vertical prestressing bar intelligent tensioning equipment of bridge construction, bag are used for described in the present embodiment
Hoist cylinder 1, vehicle frame 2 and tensioning adjusting means 3 are included, the connecting vehicle frame 2 of the hoist cylinder 1, the hoist cylinder 1 drives tensioning
The linear displacement up and down of adjusting means 3；The tensioning adjusting means 3 include tensioning oil cylinder 31, support frame 32, hydraulic spanner 33,
Both connecting rod 34 and wrench socket 35, the support tensioning of support frame as described above 32 oil cylinder 31 are relatively fixed installation, the one end of connecting rod 34
The expansion link of connection tensioning oil cylinder 31, the other end of connecting rod 34 is provided with the adapter sleeve 36 for connecting vertical prestressing bar 6, tensioning
Connecting rod 34 can be driven during 31 expanding-contracting action of oil cylinder, the wrench socket 35 is coaxially disposed with connecting rod 34, hydraulic spanner 33 with
Support frame 32 is relatively fixed installation, and hydraulic spanner 33 drives wrench socket 35 to rotate.
As shown in Figure 10, the present embodiment support frame as described above 32 includes two side plates 321, upper cross plate 322 and lower cross plates 323,
Upper cross plate 322 and lower cross plate 323 have space spacing, upper and lower transverse slat in setting up and down between upper cross plate 322 and lower cross plate 323
323 two ends are fixedly connected with biside plate 321 respectively, and through hole 320 is respectively equipped with upper cross plate 322, lower cross plate 323.
Wrench socket 35 described in the present embodiment is set in connecting rod 34 and/or the periphery of adapter sleeve 36.
As shown in Figures 5 to 7, the present embodiment also includes the lifting for stablizing tensioning adjusting means linear displacement about 3
Stabilizing mechanism, lifting stabilizing mechanism includes X-type support 45 and lifting frame 46, and the relative both sides of lifting frame 46 are equipped with X-type support
45, X-type support 45 includes at least two struts 451, and two struts 451 intersect setting；Wherein one end of a strut 451 and vehicle frame
2 pivot joints, the other end is slidably installed with lifting frame 46；One end of another strut 451 is slidably installed with vehicle frame 2, another strut 451
The other end is pivotally connected with lifting frame 46；Support frame as described above 32 is fixedly connected with lifting frame 46.The lifting stabilizing mechanism is 4, is in
Symmetrical, lifting stabilizing mechanism can stablize the linear displacement up and down of tensioning adjusting means 3.The Standard is simple, during operation
It is sliding friction between part, coefficient of friction is small, good endurance, stable and reliable operation.The erection space for lifting frame 46 is larger, just
In the assembling of tensioning adjusting means 3.
Hoist cylinder 1 described in the present embodiment is oil cylinder or cylinder or motor.
One end connecting vehicle frame 2 of hoist cylinder 1 described in the present embodiment, the other end of hoist cylinder 1 connection lifting frame 46, so as to drive
Dynamic lifting frame 46 drives tensioning adjusting means 3 to lift.
Strut 451 described in the present embodiment is slidably installed including pulley 47 with vehicle frame 2, and the vehicle frame 2, lifting frame 46 are distinguished
Chute 48 is provided with, the pulley 47 is pivotally connected with strut 451, pulley 47 to be located in chute 48 extended to along chute 48 and slides.
As shown in Figures 5 to 7, the present embodiment also includes wheel 5, and the bottom of vehicle frame 2 is provided with wheel 5.
Adapter sleeve 36 described in the present embodiment is fining twisted steel nut.
Embodiment 3
It is used for the application method of the vertical prestressing bar intelligent tensioning equipment of bridge construction described in the present embodiment, including is used for
Work during mobile status and tensioning vertical prestressing bar 6 during the vertical prestressing bar intelligent tensioning equipment displacement of bridge construction
State；During mobile status, hoist cylinder 1 drives tensioning adjusting means 3 to depart from ground, whole to be answered for the vertical pre- of bridge construction
Power muscle intelligent tensioning equipment can be carried out by wheel 5, carry out to tensioning position, start-up operation state；During working condition, rise
Drop oil cylinder 1 drives the contact of support frame 32 ground, and with vertical prestressing bar 6 be fixedly connected connecting rod 34 by adapter sleeve 36, tensioning oil
Cylinder 31 tenses vertical prestressing bar 6, and when tensioning oil cylinder 31 is stretched to parameter preset, the cable tensios control of tensioning oil cylinder 31 can pass through
Hydralic pressure gauge detects oil cylinder working-pressure, and when hydralic pressure gauge reaches parameter preset, tensioning oil cylinder 31 stops tensioning, and hydraulic spanner 33 tightens spiral shell
Line is connected to the nut 7 of vertical prestressing bar 6, stops when being screwed to setup parameter, adapter sleeve 36 release connecting rod 34 with it is vertical
Connection between presstressed reinforcing steel 6, hoist cylinder 1 drives tensioning adjusting means 3 to depart from ground, so circulation.
Specific embodiment of the invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can within the scope of the claims make various deformations or amendments, this not shadow
Sound substance of the invention.
Claims (11)
1. the vertical prestressing bar intelligent tensioning equipment of bridge construction is used for, it is characterized in that：Including hoist cylinder, vehicle frame and tensioning
Adjusting means, the hoist cylinder connecting vehicle frame, the hoist cylinder drives the linear displacement up and down of tensioning adjusting means；It is described
Tensioning adjusting means includes tensioning oil cylinder, support frame, hydraulic spanner, connecting rod and wrench socket, support frame as described above support tensioning
Both oil cylinders are relatively fixed installation, and connecting rod one end connection tensioning oil cylinder, the connecting rod other end is provided with for connecting vertically pre- answering
The adapter sleeve of power muscle, can drive connecting rod during tensioning oil cylinder expanding-contracting action, the wrench socket is coaxially disposed with connecting rod, hydraulic pressure
Spanner drives wrench socket to rotate；
Also include the hydraulic control system of control hoist cylinder, tensioning oil cylinder and hydraulic spanner；Hydraulic control system includes hydraulic pressure
Pump, return filter, the tensioning oil circuit group of control tensioning oil cylinder, the spanner oil circuit group of control hydraulic spanner, control hoist cylinder
Lifting oil circuit group, the oil inlet of hydraulic pump is connected with the oil-out of return filter, the tensioning oil circuit group, spanner oil circuit
Group, the oil return of lifting oil circuit group are linked back the oil inlet of oil strainer respectively；The tensioning oil circuit group, spanner oil circuit group, lifting oil
The oil-feed of road group connects the oil-out of hydraulic pump respectively.
2. the vertical prestressing bar intelligent tensioning equipment of bridge construction is used for as claimed in claim 1, it is characterized in that：It is described to pull
Gloves jacket casing is located at connecting rod and/or adapter sleeve periphery.
3. the vertical prestressing bar intelligent tensioning equipment of bridge construction is used for as claimed in claim 1, it is characterized in that：Also include
Lifting stabilizing mechanism for stablizing the upper and lower linear displacement of tensioning adjusting means, lifting stabilizing mechanism includes guide pillars and bushes, leads
It is set in outside guide pillar, guide pin bushing is slided along guide pillar, guide pin bushing is fixedly connected with support frame, and guide pillar is fixedly connected with vehicle frame；Also or, leading
Set is fixedly connected with vehicle frame, and guide pillar is fixedly connected with support frame.
4. the vertical prestressing bar intelligent tensioning equipment of bridge construction is used for as claimed in claim 1, it is characterized in that：Also include
Lifting stabilizing mechanism for stablizing the upper and lower linear displacement of tensioning adjusting means, lifting stabilizing mechanism includes X-type support and lifting
Frame, the relative both sides of lifting frame are equipped with X-type support, and X-type support includes at least two struts, and two struts intersect setting；Its
In one end and the vehicle frame of a strut be pivotally connected, the other end is slidably installed with frame is lifted；One end of another strut is slidably installed with vehicle frame,
The other end of another strut and lifting frame pivot joint；Support frame as described above is fixedly connected with lifting frame.
5. the vertical prestressing bar intelligent tensioning equipment of bridge construction is used for as claimed in claim 4, it is characterized in that：The liter
Drop oil cylinder one end connecting vehicle frame, hoist cylinder other end connection lifting frame, so as to drive lifting frame to drive tensioning adjusting means liter
Drop.
6. the vertical prestressing bar intelligent tensioning equipment of bridge construction is used for as claimed in claim 4, it is characterized in that：The support
Bar is slidably installed including pulley with vehicle frame, and the vehicle frame, lifting frame are respectively equipped with chute, and the pulley is pivotally connected with strut, sliding
Wheel to be located in chute extended to along chute and slides.
7. the vertical prestressing bar intelligent tensioning equipment for bridge construction as described in claim 1 to 6 any claim,
It is characterized in that：Also include wheel, bottom of frame is provided with wheel.
8. the vertical prestressing bar intelligent tensioning equipment for bridge construction as described in claim 1 to 6 any claim,
It is characterized in that：The adapter sleeve is sleeve nut, and adapter sleeve is threadedly coupled with connecting rod, vertical prestressing bar.
9. the vertical prestressing bar intelligent tensioning equipment for bridge construction as described in claim 1 to 6 any claim,
It is characterized in that：Support frame includes biside plate, upper cross plate and lower cross plate, and upper cross plate and lower cross plate are in setting up and down, and upper cross plate is with
There is space spacing, the two ends of upper and lower transverse slat are fixedly connected with biside plate respectively between transverse slat, on upper cross plate, lower cross plate respectively
It is provided with through hole.
10. the vertical prestressing bar intelligent tensioning equipment for bridge construction as claimed in claim, it is characterized in that：Described
Drawing oil circuit group includes that the first solenoid directional control valve, the first Double throttle check valve, the first bidirectional hydraulic lock, pressure gauge, first pressure are passed
Sensor；First solenoid directional control valve includes 1A# hydraulic fluid ports, 1B# hydraulic fluid ports, 1T# hydraulic fluid ports, 1P# hydraulic fluid ports；First Double throttle check valve include into
Oily throttling passage, meter out passage；First bidirectional hydraulic lock includes oil inlet passage, drainback passage；The A# hydraulic fluid ports, oil return section
Circulation road, drainback passage are connected to form tensioning oil return circuit；The B# hydraulic fluid ports, meter in passage, oil inlet passage are connected
Form tensioning oil-feed oil circuit；The tensioning oil-feed oil circuit, tensioning oil return circuit are respectively equipped with pressure gauge, and tensioning oil-feed oil circuit also sets
There is first pressure sensor；
Spanner oil circuit group includes the second solenoid directional control valve, second throttle, second pressure sensor, spanner oil-feed oil circuit, spanner
Oil return circuit；Second solenoid directional control valve includes 2A# hydraulic fluid ports, 2B# hydraulic fluid ports, 2T# hydraulic fluid ports, 2P# hydraulic fluid ports；Second Double throttle check valve bag
Include 2# meter ins passage, 2# meter out passages；The 2A# hydraulic fluid ports, 2# meter out passages are connected to form spanner oil return
Oil circuit；The 2B# hydraulic fluid ports, 2# meter in passages are connected to form spanner oil-feed oil circuit；The spanner oil-feed oil circuit, spanner are returned
Oil circuit is respectively equipped with second pressure sensor；
Lifting oil circuit group, including the 3rd solenoid directional control valve, the 3rd choke valve, the 3rd bidirectional hydraulic lock, the 3rd pressure sensor, liter
Drop oil-feed oil circuit, lifting oil return circuit；3rd solenoid directional control valve includes 3A# hydraulic fluid ports, 3B# hydraulic fluid ports, 3T# hydraulic fluid ports, 3P# oil
Mouthful；3rd choke valve includes 3# meter ins passage, 3# meter out passages；3rd bidirectional hydraulic lock include 3# oil inlet passages,
3# drainback passages；The 3A# hydraulic fluid ports, 3# meter outs passage, 3# drainback passages are connected to form lifting oil return circuit；It is described
3B# hydraulic fluid ports, 3# meter ins passage, 3# oil inlet passages are connected to form lifting oil-feed oil circuit；The lifting oil-feed oil circuit, lifting
Oil return circuit is respectively equipped with pressure gauge, and lifting oil-feed oil circuit is additionally provided with the 3rd pressure sensor.
The application method of the 11. vertical prestressing bar intelligent tensioning equipment for being used for bridge construction, it is characterized in that：Including for bridge
Working condition during mobile status and tensioning vertical prestressing bar during the vertical prestressing bar intelligent tensioning equipment displacement of construction；
During mobile status, hoist cylinder drives tensioning adjusting means to depart from ground, the whole vertical prestressing bar intelligence for being used for bridge construction
Energy tensioning equipment can be carried out by wheel, carry out to tensioning position, start-up operation state；During working condition, hoist cylinder
Support frame contact ground is driven, with vertical prestressing bar be fixedly connected connecting rod by adapter sleeve, tensioning oil cylinder is tensed vertically in advance should
Power muscle, hydraulic spanner tightens the nut for being threaded in vertical prestressing bar, stops when being screwed to setup parameter, and adapter sleeve is released
Connection between connecting rod and vertical prestressing bar, hoist cylinder drives tensioning adjusting means to depart from ground, so circulation.
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| CN201710043956.3A CN106758848B (en) | 2017-01-19 | 2017-01-19 | Intelligent vertical prestressed reinforcement tensioning equipment for bridge construction and use method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710043956.3A CN106758848B (en) | 2017-01-19 | 2017-01-19 | Intelligent vertical prestressed reinforcement tensioning equipment for bridge construction and use method |
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| CN106758848A true CN106758848A (en) | 2017-05-31 |
| CN106758848B CN106758848B (en) | 2024-03-12 |
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|---|---|
| CN106758848B (en) | 2024-03-12 |
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