CN208564002U - A kind of prestressed steel bar tensioning machine - Google Patents
A kind of prestressed steel bar tensioning machine Download PDFInfo
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- CN208564002U CN208564002U CN201821233588.5U CN201821233588U CN208564002U CN 208564002 U CN208564002 U CN 208564002U CN 201821233588 U CN201821233588 U CN 201821233588U CN 208564002 U CN208564002 U CN 208564002U
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- tensioning
- oil
- floating holder
- girder
- stationary fixture
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Abstract
The utility model discloses a kind of prestressed steel bar tensioning machines, including stationary fixture, tensioning girder and floating holder, the tensioning girder upper lateral is provided with tensioning through slot, the tensioning girder left upper portion is provided with card slot, stationary fixture is placed with inside the card slot, adjustment tank is horizontally arranged on corresponding tensioning girder in the middle part of the tensioning through slot front-rear side walls, right side is provided with resettlement groove in the middle part of the floating holder, placement trench bottom on the floating holder, which corresponds to be horizontally arranged on floating holder, assigns hole, electromagnet is fixed on the right side of the movable chuck, fixation hole is provided on electromagnet on the right side of the movable chuck and movable chuck, the slideway is internally provided with card bead, Main Control Tank is installed on the right side of the tensioning girder.The utility model solves the problems, such as traditional prestressed steel bar tensioning machine reinforcing bar clamping and splits more time-consuming and laborious by setting stationary fixture, tensioning girder and floating holder.
Description
Technical field
The utility model relates to technical field of buildings, specially a kind of prestressed steel bar tensioning machine.
Background technique
Deformed bar is in structural elements before use, being applied in advance to concrete members by pre-tensioning system or post stretching
Compression, in the structure of ordinary reinforced concrete, since concrete ultimate tensile strength is low, under working load effect, component
The strain of middle reinforcing bar greatly exceeds the ultimate tensile strength of concrete, and the reinforced steel bar strength in reinforced concrete member cannot be abundant
Utilize, so ordinary reinforced concrete structure, be using high strength cast iron it is unreasonable, in order to make full use of high-strength material,
The gap between concrete and rebar stretching strain is made up, people apply to prestressing force in reinforced concrete structure, in outer lotus
Before load is applied on component, (deformed bar is mainly in tensile region) applies pressure on component, constitutes deformed bar coagulation
Soil structure offsets existing precompression in concrete, then with load when component bears the pulling force generated by external load first
Increase, just concrete in tension can be made crack then occur, thus delays the appearance and development of structure member crevices, traditional prestressing force
Low efficiency when clamping device on reinforced bar stretching machine carries out accommodating fixed to reinforcing bar, the operating time is long, equally more in disassembly
It is time-consuming and laborious.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of prestressed steel bar tensioning machine, solves traditional
Prestressed steel bar tensioning machine reinforcing bar clamps and splits more time-consuming and laborious problem.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of prestressed steel bar tensioning machine, including solid
Clamp tool, tensioning girder and floating holder, the tensioning girder upper lateral are provided with tensioning through slot, the tensioning girder left side
Top is provided with card slot, and stationary fixture is placed with inside the card slot, and left side is provided with resettlement groove in the middle part of the stationary fixture, and
Fixed chuck is provided in resettlement groove on stationary fixture, the fixed chuck bottom outside is fixed on fixation by the first oil cylinder
Resettlement groove bottom outside on fixture is horizontally arranged on the right side of the corresponding stationary fixture of placement trench bottom on the stationary fixture
Hole is assigned, electromagnet is installed on the left of the fixed chuck, and lateral in the middle part of the electromagnet on the left of fixed chuck and fixed chuck
It is provided with fixation hole, is horizontally arranged with adjustment tank, the work on corresponding tensioning girder in the middle part of the tensioning through slot front-rear side walls
Dynamic fixture is mounted in adjustment tank, and is clearance fit between floating holder and adjustment tank, and right side is set in the middle part of the floating holder
It is equipped with resettlement groove, is provided with movable chuck in the resettlement groove on the floating holder, the movable chuck bottom outside passes through the
Two oil cylinders are fixed on the resettlement groove bottom outside on floating holder, and the placement trench bottom on the floating holder corresponds to floating holder
On be horizontally arranged with and assign hole, electromagnet is fixed on the right side of the movable chuck, on the right side of the movable chuck and movable chuck
Fixation hole is provided on electromagnet, the fixation hole outer on the fixed chuck and movable chuck is provided with slideway, the cunning
Road is internally provided with card bead, and is clearance fit between card bead and slideway, and the card bead is fixed in slideway lower end by tension spring
On wall, Main Control Tank is installed on the right side of the tensioning girder.
Preferably, pin hole, the activity folder are provided on the right side of the tensioning through slot on the corresponding tensioning girder in front and rear sides
Tool rear and front end is provided with pin hole, pin shaft is provided in the pin hole on the tensioning girder, the floating holder passes through pin shaft
It is fixed on tensioning girder.
Preferably, the Main Control Tank lateral surface is provided with control button, and the Main Control Tank inside left is provided with fuel tank, institute
It states and is fixed with controller on the right side of fuel tank lower part, right side is provided with oil pump at the Main Control Tank interior location where the fuel tank, described
Oil inlet on oil pump is connected by oil pipe with the oil outlet on fuel tank, right side at the Main Control Tank interior location where the oil pump
It is provided with separating valve, right side is disposed with the first solenoid valve from top to bottom at the Main Control Tank interior location where the separating valve
And second solenoid valve.
Preferably, the oil outlet on the oil pump is connected by oil pipe with the oil inlet on separating valve, on the separating valve
Oil outlet pass through oil pipe respectively and be connected with the oil inlet in the first solenoid valve and second solenoid valve, on first solenoid valve
Oil outlet is connected by oil pipe with the hydraulic fluid port on the first oil cylinder, and the oil return opening on first oil cylinder passes through on oil pipe and fuel tank
Oil return oil inlet is connected, and oil outlet in the second solenoid valve is connected by oil pipe with the hydraulic fluid port on the second oil cylinder, and described the
Oil return opening on two oil cylinders is connected by oil pipe with the oil return oil inlet on fuel tank.
Preferably, the control button output end is connected by inside conductor with controller input terminal, the controller output
End passes through inside conductor and electromagnet input terminal, the first electromagnet input terminal, second solenoid valve input terminal and oil pump input terminal respectively
It is connected in parallel.
(3) beneficial effect
The utility model provides a kind of prestressed steel bar tensioning machine, have it is following the utility model has the advantages that
(1) floating holder is arranged in the utility model, and floating holder can be adjusted with the length of external reinforcing bar, and pass through
Pin shaft is fixed, and when adjustment is simple, convenient, and stationary fixture is mounted in the card slot on tensioning girder, replaces extremely square
Just.
(2) it is provided with gradual change slideway on the outside of fixation hole on the utility model movable chuck and fixed chuck, in slideway
Card bead is set, is respectively provided with electromagnet on the outside of movable chuck and fixed chuck, reinforcing bar interts into fixation hole when in use, electromagnet
Absorption card bead is moved to the relatively narrow side of gradual change slideway, and the distance between card bead shortens card bead and clamps to reinforcing bar at this time,
In drawing process, reinforcing bar stirs card bead and moves chucking power increase to the relatively narrow side of gradual change slideway, when disassembly is desired, by electromagnetism
Valve power-off, skids off the relatively narrow side of gradual change slideway for card bead by operating cyloinder counter motion, and integrated operation is simple, clamping
Dynamics increases as the dynamics of stretching increases.
Detailed description of the invention
Fig. 1 is the main view of the utility model；
Fig. 2 is the top view of the utility model；
Fig. 3 is the right view of the utility model；
Fig. 4 is the fixing jig structure schematic diagram of the utility model；
Fig. 5 is the floating holder structural schematic diagram of the utility model；
Fig. 6 is the clamping device section schematic diagram of the utility model；
Fig. 7 is the clamping device top view of the utility model；
Fig. 8 is the Main Control Tank schematic diagram of internal structure of the utility model.
In figure: 1, stationary fixture；2, tensioning girder；3, pin shaft；4, card slot；5, Main Control Tank；6, control button；7, fixing card
Head；8, tensioning through slot；9, pin hole；10, floating holder；11, movable chuck；12, the first oil cylinder；13, hole is assigned；14, resettlement groove；
15, electromagnet；16, fixation hole；17, the second oil cylinder；18, tension spring；19, slideway；20, card bead；21, separating valve；22, the first electromagnetism
Valve；23, fuel tank；24, controller；25, oil pump；26, second solenoid valve；27, adjustment tank.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figures 1-8, the utility model provides a kind of technical solution: a kind of prestressed steel bar tensioning machine, including fixation
Fixture 1, tensioning girder 2 and floating holder 10,2 upper lateral of tensioning girder are provided with tensioning through slot 8, and it is logical that reinforcing bar is placed on tensioning
Slot 8 is stretched, and can be prevented reinforcing bar fracture from jumping out and be damaged to people, 2 left upper portion of tensioning girder is provided with card slot 4, card slot 4
Inside is placed with stationary fixture 1, and 1 middle part left side of stationary fixture is provided with resettlement groove 14, and in the resettlement groove 14 on stationary fixture 1
It is provided with fixed chuck 7,7 bottom outside of fixed chuck is fixed on 14 bottom of resettlement groove on stationary fixture 1 by the first oil cylinder 12
On the outside of portion, it is horizontally arranged on the right side of the corresponding stationary fixture 1 in 14 bottom of resettlement groove on stationary fixture 1 and assigns hole 13, assign hole
13, for assigning reinforcing bar, install electromagnet 15, and the electromagnet 15 in 7 left side of fixed chuck 7 and fixed chuck on the left of fixed chuck 7
Middle part is horizontally arranged with fixation hole 16, and electromagnet 15 is for adsorbing card bead 20, corresponding of 8 front-rear side walls of tensioning through slot middle part
It draws and is horizontally arranged with adjustment tank 27 on girder 2, floating holder 10 is mounted in adjustment tank 27, and floating holder 10 and adjustment tank 27
Between be clearance fit, floating holder 10 in adjustment tank 27 sliding adjustment between stationary fixture 1 at a distance from, tensioning through slot 8
Pin hole 9 is provided on the corresponding tensioning girder 2 in right side front and rear sides, 10 rear and front end of floating holder is provided with pin hole 9, tensioning
Pin shaft 3 is provided in pin hole 9 on girder 2, floating holder 10 is fixed on tensioning girder 2 by pin shaft 3, in floating holder 10
It is provided with resettlement groove 14 on the right side of portion, movable chuck 11,11 bottom of movable chuck are provided in the resettlement groove 14 on floating holder 10
Outside is fixed on 14 bottom outside of resettlement groove on floating holder 10, the resettlement groove 14 on floating holder 10 by the second oil cylinder 17
Bottom, which corresponds to be horizontally arranged on floating holder 10, assigns hole 13, and electromagnet 15, movable chuck are fixed on the right side of movable chuck 11
11 and the right side of movable chuck 11 electromagnet 15 on be provided with fixation hole 16, the fixation on fixed chuck 7 and movable chuck 11
16 outer of hole is provided with slideway 19, and slideway 19 is internally provided with card bead 20, and is clearance fit, card between card bead 20 and slideway 19
Pearl 20 is fixed on 19 lower end inner wall of slideway by tension spring 18, and Main Control Tank 5,5 lateral surface of Main Control Tank are equipped on the right side of tensioning girder 2
It is provided with control button 6,5 inside left of Main Control Tank is provided with fuel tank 23, is fixed with controller 24, fuel tank on the right side of 23 lower part of fuel tank
Right side is provided with oil pump 25 at 5 interior location of Main Control Tank where 23, and the oil inlet on oil pump 25 passes through on oil pipe and fuel tank 23
Oil outlet be connected, right side is provided with separating valve 21, the master where separating valve 21 at 5 interior location of Main Control Tank where oil pump 25
Right side is disposed with the first solenoid valve 22 and second solenoid valve 26 from top to bottom at control 5 interior location of case, going out on oil pump 25
Hydraulic fluid port is connected by oil pipe with the oil inlet on separating valve 21, and the oil outlet on separating valve 21 passes through oil pipe and the first electromagnetism respectively
Valve 22 is connected with the oil inlet in second solenoid valve 26, and the oil outlet on the first solenoid valve 22 passes through on oil pipe and the first oil cylinder 12
Hydraulic fluid port be connected, oil return opening on the first oil cylinder 12 is connected by oil pipe with the oil return oil inlet on fuel tank 23, second solenoid valve
Oil outlet on 26 is connected by oil pipe with the hydraulic fluid port on the second oil cylinder 17, and the oil return opening on the second oil cylinder 17 passes through oil pipe and oil
Oil return oil inlet on case 23 is connected, and 6 output end of control button is connected by inside conductor with 24 input terminal of controller, controller 24
Output end pass through respectively inside conductor and 15 input terminal of electromagnet, 15 input terminal of the first electromagnet, 26 input terminal of second solenoid valve and
25 input terminal of oil pump is connected in parallel.
In use, according to the length of reinforcing bar select adjustment the distance between floating holder 10 and stationary fixture 1, by reinforcing bar with
This passes through fixation hole 16 on fixed chuck 7, assigns hole 13 on stationary fixture 1, tensioning through slot 8, activity in tensioning girder 2
The fixation hole 16 assigned on hole 13 and movable chuck 11 on fixture 10 is powered on by control button 6, fixing card later
The card bead 20 that the electromagnet 15 in first 7 left side is powered in absorption fixed chuck 7 is moved to the left, the electromagnet 15 on 11 right side of movable chuck
The card bead 20 being powered in absorption movable chuck 11 moves right, and the first oil cylinder 12 and the work elongation of the second oil cylinder 17 are respectively by reinforcing bar
It stretches and stretches to the right to the left, rebar surface drives the card bead in fixed chuck 7 when the first oil cylinder 12 drives reinforcing bar to stretch to the left
20 are moved to the left, since the bore distance between the card bead 20 caused in fixed chuck 7 that becomes smaller becomes smaller to a reinforcing bar left side slideway 19 to the left
End is gripped, the second oil cylinder 17 drive reinforcing bar when stretching to the right rebar surface drive card bead 20 in movable chuck 11 to
Move right, due to slideway 19 to the right bore become smaller distance between the card bead 20 caused in movable chuck 11 become smaller to reinforcing bar right end into
Row grips, and card bead 20 increases the chucking power of reinforcing bar as the first oil cylinder 12 and the second oil cylinder 17 increase the thrust of reinforcing bar
Greatly, when disassembly is desired, the first oil cylinder 12 moves right, and drives the card bead 20 in fixed chuck 7 to 19 larger interior diameter side of slideway
To movement, tension spring 18 drives card bead 20 to retract original position and does not contact with reinforcing bar, and the second oil cylinder 17 is moved to the left, and drives movable chuck 11
Interior card bead 20 is mobile to 19 larger interior diameter direction of slideway, and tension spring 18 drives card bead 20 to retract original position and do not contact with reinforcing bar.
It can to sum up obtain, the utility model solves tradition by setting stationary fixture 1, tensioning girder 2 and floating holder 10
The clamping of prestressed steel bar tensioning machine reinforcing bar and split more time-consuming and laborious problem.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of prestressed steel bar tensioning machine, including stationary fixture (1), tensioning girder (2) and floating holder (10), feature exists
In: tensioning girder (2) upper lateral is provided with tensioning through slot (8), and tensioning girder (2) left upper portion is provided with card slot
(4), it being placed with stationary fixture (1) inside the card slot (4), left side is provided with resettlement groove (14) in the middle part of the stationary fixture (1),
And be provided with fixed chuck (7) in resettlement groove (14) on stationary fixture (1), fixed chuck (7) bottom outside passes through the
One oil cylinder (12) is fixed on resettlement groove (14) bottom outside on stationary fixture (1), the resettlement groove on the stationary fixture (1)
(14) it is horizontally arranged with and assigns hole (13) on the right side of the corresponding stationary fixture in bottom (1), electromagnetism is installed on the left of the fixed chuck (7)
Iron (15), and fixation hole (16) are horizontally arranged in the middle part of the electromagnet (15) on the left of fixed chuck (7) and fixed chuck (7),
It is horizontally arranged with adjustment tank (27) on corresponding tensioning girder (2) in the middle part of tensioning through slot (8) front-rear side walls, the activity folder
Tool (10) is mounted in adjustment tank (27), and is clearance fit between floating holder (10) and adjustment tank (27), the activity folder
Right side is provided with resettlement groove (14) in the middle part of tool (10), is provided with movable chuck in the resettlement groove (14) on the floating holder (10)
(11), movable chuck (11) bottom outside is fixed on the resettlement groove (14) on floating holder (10) by the second oil cylinder (17)
Bottom outside, resettlement groove (14) bottom on the floating holder (10), which corresponds to be horizontally arranged on floating holder (10), assigns hole
(13), it is fixed with electromagnet (15) on the right side of the movable chuck (11), on the right side of the movable chuck (11) and movable chuck (11)
Electromagnet (15) on be provided with fixation hole (16), the fixation hole (16) on the fixed chuck (7) and movable chuck (11)
Outer is provided with slideway (19), and the slideway (19) is internally provided with card bead (20), and is between card bead (20) and slideway (19)
Clearance fit, the card bead (20) are fixed on slideway (19) lower end inner wall by tension spring (18), on the right side of the tensioning girder (2)
Main Control Tank (5) are installed.
2. a kind of prestressed steel bar tensioning machine according to claim 1, it is characterised in that: on the right side of the tensioning through slot (8)
It is provided with pin hole (9) on the corresponding tensioning girder (2) in front and rear sides, floating holder (10) rear and front end is provided with pin hole
(9), it is provided with pin shaft (3) in the pin hole (9) on the tensioning girder (2), the floating holder (10) is fixed by pin shaft (3)
On tensioning girder (2).
3. a kind of prestressed steel bar tensioning machine according to claim 1, it is characterised in that: Main Control Tank (5) lateral surface
It is provided with control button (6), Main Control Tank (5) inside left is provided with fuel tank (23), solid on the right side of fuel tank (23) lower part
Surely have controller (24), right side is provided with oil pump (25), the oil at Main Control Tank (5) interior location where the fuel tank (23)
Oil inlet on pump (25) is connected by oil pipe with the oil outlet on fuel tank (23), the Main Control Tank (5) where the oil pump (25)
At interior location right side be provided with separating valve (21), at Main Control Tank (5) interior location where the separating valve (21) right side from
Top to bottm is disposed with the first solenoid valve (22) and second solenoid valve (26).
4. a kind of prestressed steel bar tensioning machine according to claim 3, it is characterised in that: fuel-displaced on the oil pump (25)
Mouthful it is connected with the oil inlet on separating valve (21) by oil pipe, the oil outlet on the separating valve (21) passes through oil pipe and the respectively
One solenoid valve (22) is connected with the oil inlet on second solenoid valve (26), and the oil outlet on first solenoid valve (22) passes through oil
Pipe is connected with the hydraulic fluid port on the first oil cylinder (12), and the oil return opening on first oil cylinder (12) passes through on oil pipe and fuel tank (23)
Oil return oil inlet is connected, and the oil outlet on the second solenoid valve (26) passes through oil pipe and the hydraulic fluid port phase on the second oil cylinder (17)
Even, the oil return opening on second oil cylinder (17) is connected by oil pipe with the oil return oil inlet on fuel tank (23).
5. a kind of prestressed steel bar tensioning machine according to claim 3, it is characterised in that: control button (6) output
End is connected by inside conductor with controller (24) input terminal, and controller (24) output end passes through inside conductor and electromagnet respectively
(15) input terminal, the first electromagnet (15) input terminal, second solenoid valve (26) input terminal and oil pump (25) input terminal are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821233588.5U CN208564002U (en) | 2018-08-01 | 2018-08-01 | A kind of prestressed steel bar tensioning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821233588.5U CN208564002U (en) | 2018-08-01 | 2018-08-01 | A kind of prestressed steel bar tensioning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208564002U true CN208564002U (en) | 2019-03-01 |
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ID=65449279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821233588.5U Active CN208564002U (en) | 2018-08-01 | 2018-08-01 | A kind of prestressed steel bar tensioning machine |
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| Country | Link |
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| CN (1) | CN208564002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997377A (en) * | 2020-08-20 | 2020-11-27 | 杭州紫腾材科技有限公司 | Steel bar prestressed machinery for building engineering |
| CN113295510A (en) * | 2021-05-21 | 2021-08-24 | 蓝海建设集团有限公司 | Intelligent prestress tensioning system |
-
2018
- 2018-08-01 CN CN201821233588.5U patent/CN208564002U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997377A (en) * | 2020-08-20 | 2020-11-27 | 杭州紫腾材科技有限公司 | Steel bar prestressed machinery for building engineering |
| CN113295510A (en) * | 2021-05-21 | 2021-08-24 | 蓝海建设集团有限公司 | Intelligent prestress tensioning system |
| CN113295510B (en) * | 2021-05-21 | 2022-08-09 | 蓝海建设集团有限公司 | Intelligent prestress tensioning system |
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