CN204869215U - Prestressed concrete sleeper reinforcing bar tensioning equipment - Google Patents
Prestressed concrete sleeper reinforcing bar tensioning equipment Download PDFInfo
- Publication number
- CN204869215U CN204869215U CN201520637313.8U CN201520637313U CN204869215U CN 204869215 U CN204869215 U CN 204869215U CN 201520637313 U CN201520637313 U CN 201520637313U CN 204869215 U CN204869215 U CN 204869215U
- Authority
- CN
- China
- Prior art keywords
- jack
- stretch
- draw
- valve
- low pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a prestressed concrete sleeper reinforcing bar tensioning equipment, including control system, hydraulic system and stretch -draw mechanism, its main points are: control system comprises programmable controller, touch -sensitive screen and the connection of operation panel electricity, stretch -draw mechanism comprises two jack and double -deck suspension type stretch -draw dolly, double -deck suspension type stretch -draw dolly by base guide rail, transverse guide, go up the frame and get off and build up, be equipped with force cell sensor, the last pressure sensor of being equipped with of hydraulic system on the stretch -draw pole of jack. The utility model discloses a programmable logic controller control, convenient operation, automatic acquisition take notes historical data, only need to have set for on the touch -sensitive screen stretch -draw parameter of reinforcing bar, can accomplish the prestressing force stretch -draw of reinforcing bar automatically, and stretch -draw value accuracy is high, has reduced the influence of human factor, and the security and the good reliability of device have improved product quality and production efficiency, and the practicality is good, add the energy storage ware, better improvement hydraulic system's stability, the product uniformity is good.
Description
Technical field
The utility model relates to a kind of tensioning equipment, is specifically related to a kind of prestressed reinforced concrete tie steel bar tensioning device.
Background technology
In production prestressed reinforced concrete tie process, prestressed stretch-draw wanted by reinforcing bar, need on request the prestress value of reinforced bar stretching to technique initialization, when adopting manual manual operation, oil meter total indicator reading can only be checked by human eye, when reading reaches requirement, artificial rotary manual valve closing oil supply, tightens punching block pull bar spiral shell and emits.This method of operation in operation is loaded down with trivial details, operating rate is slow, measure error is large, control accuracy is poor, data manual record, and random large, cannot be rigid in checking up product quality.
Summary of the invention
The purpose of this utility model to provide the prestressed reinforced concrete tie steel bar tensioning device that a kind of structure is simple, easy to operate, steady quality, efficiency are high.
Prestressed reinforced concrete tie steel bar tensioning device of the present utility model, comprises control system, hydraulic system and stretch-draw mechanism, it is characterized in that: described control system is electrically connected to form by Programmable Logic Controller, touch-screen and operating desk; Described stretch-draw mechanism is made up of two jack and Dual-layer hanging formula stretch-draw dolly, and Dual-layer hanging formula stretch-draw dolly is configured to by cross slide way, base rail, upper frame and getting off; Described upper frame is provided with elevating mechanism A and the elevating mechanism B of oscilaltion, elevating mechanism A and elevating mechanism B is hung with respectively jack A and jack B; Described lower vehicle frame and base rail are slidably connected, and lower vehicle frame is along base rail slide anteroposterior; Described upper frame and the cross slide way be arranged on lower vehicle frame are slidably connected, and upper frame transversely guide rail horizontally slips; Described jack A, the piston rod of jack B are separately installed with the force cell A and force cell B that are electrically connected with Programmable Logic Controller; Described hydraulic system is connected and composed by low pressure fuel pump, low pressure fuel pump motor, low pressure relief valve and high-pressure oil pump, high-pressure oil pump motor, high-pressure overflow valve, large discharge low pressure oil and small flow high pressure oil are provided respectively, large discharge low pressure oil, small flow high pressure oil provides power respectively by the opening and closing of solenoid directional control valve A, solenoid directional control valve B and hydraulic control one-way valve A, hydraulic control one-way valve B to jack A and jack B, and low pressure relief valve is communicated with fuel tank with the oil return pipe of high-pressure overflow valve; Described solenoid directional control valve A, hydraulic control one-way valve A, high-pressure overflow valve and solenoid directional control valve B, hydraulic control one-way valve B, low pressure relief valve combination are arranged on oil path block.
In order to better realize above-mentioned purpose
Accumulator A and pressure sensor A is also provided with between described hydraulic control one-way valve A and jack A.
Accumulator B and pressure sensor B is also provided with between described hydraulic control one-way valve B and jack B.
Described pressure sensor A and pressure sensor B is electrically connected with Programmable Logic Controller.
Prestressed reinforced concrete tie steel bar tensioning device of the present utility model, adopt Controlled by Programmable Controller, easy to operate, automatic acquisition and recording historical data, only need set the stretch-draw parameter of reinforcing bar on the touchscreen, according to the processing step of program setting, the prestressing force automatic Tensioning of reinforcing bar can be completed, stretch-draw value accuracy is high, decrease the impact of human factor, improve product quality and production efficiency, practicality is good; Adopt force cell and pressure sensor bi-mode control, effectively raise the safety and reliability of device; Hydraulic system sets up accumulator, improves the stability of jack work, good product consistency.
Accompanying drawing explanation
Fig. 1 is the utility model structural principle schematic diagram.
Fig. 2 is the scheme of installation of hydraulic system.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the top view of Fig. 2.
Fig. 5 is the structural representation of stretch-draw mechanism.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the structural principle schematic diagram of hydraulic system.
In figure: 1, control system, 2, hydraulic system, 3, stretch-draw mechanism, 4, operating desk, 5, Programmable Logic Controller, 6, touch-screen, 7, pressure sensor A, 8, pressure sensor B, 9, force cell A, 10, force cell B, 11, low pressure fuel pump motor, 12, high-pressure oil pump, 13, low pressure fuel pump, 14, high-pressure oil pump motor, 15, oil pressure dial plate, 16, liquid level gauge, 17, oil pipe, 18, oil path block, 19, hydraulic control one-way valve A, 20, hydraulic control one-way valve B, 21, accumulator A, 22, accumulator B, 23, solenoid directional control valve A, 24, solenoid directional control valve B, 25, high-pressure overflow valve, 26, low pressure relief valve, 27, return filter, 28, elevating mechanism A, 29, elevating mechanism B, 30, jack suspension holdfast, 31, jack A, 32, jack B, 33, pulley, 34, base rail, 35, locking nut, 36, tension rod, 37, upper frame, 38, heavy frame, 39, lower vehicle frame, 40, check valve A, 41, check valve B, 42, sleeper steel mould, 43, fuel tank, 44, cross slide way.
Detailed description of the invention
Prestressed reinforced concrete tie steel bar tensioning device of the present utility model, comprises control system 1, hydraulic system 2 and stretch-draw mechanism 3.Control system 1 is electrically connected to form by Programmable Logic Controller 5, touch-screen 6 and operating desk 4.Stretch-draw mechanism 3 is made up of jack A31, jack B32, upper frame 37 and lower vehicle frame 39, upper frame 37 is made up of jack suspension holdfast 30, elevating mechanism A28, elevating mechanism B29, cross slide way 44 and base rail 34, and jack A31, jack B32 are centre-hole jack.Jack A31, jack B32 are suspended on elevating mechanism A28, elevating mechanism B29 respectively.Lower vehicle frame 39 connects along base rail 34 slide anteroposterior, and upper frame 37 to horizontally slip connection along the cross slide way 44 on lower vehicle frame 39.The piston rod of jack A31, jack B32 is separately installed with force cell A9, force cell B10, force cell A9, force cell B10 are electrically connected with Programmable Logic Controller 5.Tension rod 36 through jack, and is supported by the heavy frame 38 of jack rearward end, and locking nut 35 is installed in tension rod 36 one end, and the other end installs tensioning nut, and tension rod 36 is connected with sleeper steel mould 42 by tensioning nut.Hydraulic system 2 is by fuel tank 43, low pressure fuel pump motor 11, high-pressure oil pump 12, low pressure fuel pump 13, high-pressure oil pump motor 14 and be arranged on solenoid directional control valve A23, hydraulic control one-way valve A19, low pressure relief valve 26, pressure sensor A7 and solenoid directional control valve B24 on oil path block 18, hydraulic control one-way valve B20, high-pressure overflow valve 25, pressure sensor B8 connect and compose, and pressure sensor A7 and pressure sensor B8 is electrically connected with Programmable Logic Controller 5.Low pressure fuel pump 13 exports and connects low pressure relief valve 26, check valve A40 successively, high-pressure oil pump 12 exports and connects high-pressure overflow valve 25, check valve B41 successively, low pressure relief valve 26 is connected with return filter 27 with the oil return pipe of high-pressure overflow valve 25, and check valve A40 is communicated with solenoid directional control valve A23, solenoid directional control valve B24 by oil pipe with check valve B41.Solenoid directional control valve 23, hydraulic control one-way valve A19 are communicated with jack B32 with jack A31 by oil pipe respectively with solenoid directional control valve 24, hydraulic control one-way valve B20, and the opening and closing of solenoid directional control valve 23, hydraulic control one-way valve A19 and solenoid directional control valve 24, hydraulic control one-way valve B20 provides power to respectively jack A31 and jack B32.The oil return pipe of solenoid directional control valve A23, solenoid directional control valve B24 is communicated with return filter 27, and oil return is entered in fuel tank 43.
The utility model is work like this:
Stretching mode has three kinds: the automatic Tensioning mode that manual stretching mode, force cell control and the automatic Tensioning mode that pressure sensor controls.
The stretching mode of Non-follow control: according to the show value on oil pressure dial plate 15, the stretch-draw of reinforcing bar can be controlled completely by manual hand manipulation.
The automatic Tensioning mode that force cell controls: be the force cell A9, the force cell B10 that install on the piston rod of jack A31, jack B32, control according to stretching process actual loading situation, force cell A9, force cell B10 control, the frictional resistance of jack A31, jack B32 need not be considered, substantially increase control accuracy.
The automatic Tensioning mode that pressure sensor controls: be by the pressure sensor A7 on hydraulic circuit and pressure sensor B8, the change of the oil pressure of monitoring hydraulic system 2 completes the control to stretching process.
This two-mode field, strengthens the ability of the reliability of work, process catastrophic failure, makes to repair convenient, quick.
Upper frame 37, lower vehicle frame 39 and elevating mechanism A28, elevating mechanism B29 is regulated before stretch-draw, make two tension rods 36 of jack A31, jack B32 concentric with two pull bars of sleeper steel mould 42, and connect with tensioning nut, jack A31 and jack B32 Tong Walk stretch-draw, according to the technological requirement of product, touch-screen 6 sets the tensioning process parameter of reinforcing bar.Operating desk 4 is pressed automatic Tensioning button, and device starts and completes the stretch-draw of sleeper reinforcing bar by setup program.
The automatic Tensioning mode that force cell controls is work like this: carry out aforesaid preparation, start Oil pump electrical machinery, control mode switch is placed in dynamometry control mode by operating desk 4, and press automatic Tensioning button, Programmable Logic Controller 5 controls low pressure relief valve 26, solenoid directional control valve A23 and solenoid directional control valve B24 action, low pressure and mass flow hydraulic oil flows to jack A31, jack B32, hydraulic pump output hydraulic pressure oil controls jack A31, jack B32 stretches out, jack A31, the piston rod of jack B32 protrudes through tension rod 36 and drives the pull bar of sleeper steel mould 42 tension reinforcing bar to make it stressed, Double Tops carry out quick tensioning with Walk to reinforcing bar in sleeper steel mould 42, as force cell A9, when the system pulling force that force cell B10 detects is equal with arranging value of thrust, Programmable Logic Controller 5 disconnects low pressure relief valve 26, connect high-pressure overflow valve 25, solenoid directional control valve A23, solenoid directional control valve B24 remains unchanged, to jack A31, jack B32 provides high-pressure low-flow hydraulic oil to enter pulling anchor cable stage at a slow speed.When the system pulling force that force cell A9, force cell B10 detect is equal with arranging value of thrust, system enters holds the lotus stage, can automatically open high-pressure overflow valve 25 holding lotus stage Programmable Logic Controller 5 when pulling force is not enough, solenoid directional control valve A23, solenoid directional control valve B24 action repairing, when the system pulling force that force cell A9, force cell B10 detect is equal with arranging value of thrust, Programmable Logic Controller 5 closes high-pressure overflow valve 25, solenoid directional control valve A23, solenoid directional control valve B24.Hold lotus stages operating personnel to tighten punching block pull bar spiral shell simultaneously and emit, hold after the lotus time completes, Programmable Logic Controller 5 controls output signal to low pressure relief valve 26, high-pressure overflow valve 25, solenoid directional control valve A23 and solenoid directional control valve B24, reverse oil supply, the piston rod of jack A31, jack B32 is reclaimed, unclamps tensioning nut, upper frame 37 return of stretch-draw dolly, system records this tension data automatically, completes whole stretching process.
The automatic Tensioning mode of in like manner pressure sensor control, be placed on pressure controling mode by control mode switch, difference is that the feedback signal of Programmable Logic Controller 5 is oil pressure values that pressure sensor A7 and pressure sensor A8 detect hydraulic system 2.Programmable Logic Controller 5 completing quick tensioning, at a slow speed stretch-draw by contrasting each stage oil pressure map value, holding lotus, off-load oil return four-stage, finally completes whole stretching process.
Claims (3)
1. a prestressed reinforced concrete tie steel bar tensioning device, comprise control system (1), hydraulic system (2) and stretch-draw mechanism (3), it is characterized in that: described control system (1) is electrically connected to form by Programmable Logic Controller (5), touch-screen (6) and operating desk (4), described stretch-draw mechanism (3) is made up of two jack and Dual-layer hanging formula stretch-draw dolly, and Dual-layer hanging formula stretch-draw dolly is made up of cross slide way (44), base rail (34), upper frame (37) and lower vehicle frame (39), described upper frame (37) is provided with the elevating mechanism A(28 of oscilaltion) and elevating mechanism B(29), elevating mechanism A(28) and elevating mechanism B(29) on be hung with jack A(31 respectively) and jack B(32), described lower vehicle frame (39) and base rail (34) are slidably connected, and lower vehicle frame (37) is along base rail (34) slide anteroposterior, described upper frame (37) is slidably connected with the cross slide way (44) on lower vehicle frame (39), and upper frame (37) transversely guide rail (44) horizontally slips, described jack A(31), jack B(32) piston rod on be separately installed with the force cell A(9 be electrically connected with Programmable Logic Controller (5)) and force cell B(10), described hydraulic system (2) is by low pressure fuel pump (13), low pressure fuel pump motor (11), low pressure relief valve (26) and high-pressure oil pump (12), high-pressure oil pump motor (14), high-pressure overflow valve (25) connects and composes, large discharge low pressure oil and small flow high pressure oil are provided respectively, large discharge low pressure oil, small flow high pressure oil is respectively by solenoid directional control valve A(23), solenoid directional control valve B(24) and hydraulic control one-way valve A(19), hydraulic control one-way valve B(20) opening and closing to jack A(31) and jack B(32) power is provided, low pressure relief valve (26) is communicated with fuel tank (43) with the oil return pipe of high-pressure overflow valve (25), described solenoid directional control valve A(23), solenoid directional control valve B(24), hydraulic control one-way valve A(19), hydraulic control one-way valve B(20), high-pressure overflow valve (25), low pressure relief valve (26) combination be arranged on oil path block (18).
2. tensioning equipment according to claim 1, is characterized in that: described hydraulic control one-way valve A(19) with jack A(31) between be also provided with accumulator A(21) and the pressure sensor A(7 that is electrically connected with Programmable Logic Controller (5)).
3. tensioning equipment according to claim 1, is characterized in that: described hydraulic control one-way valve B(20) with jack B(32) between be also provided with accumulator B(22) and the pressure sensor B(8 that is electrically connected with Programmable Logic Controller (5)).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637313.8U CN204869215U (en) | 2015-08-24 | 2015-08-24 | Prestressed concrete sleeper reinforcing bar tensioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637313.8U CN204869215U (en) | 2015-08-24 | 2015-08-24 | Prestressed concrete sleeper reinforcing bar tensioning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204869215U true CN204869215U (en) | 2015-12-16 |
Family
ID=54813636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520637313.8U Expired - Fee Related CN204869215U (en) | 2015-08-24 | 2015-08-24 | Prestressed concrete sleeper reinforcing bar tensioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204869215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758848A (en) * | 2017-01-19 | 2017-05-31 | 浙江兴土桥梁专用装备制造有限公司 | For the vertical prestressing bar intelligent tensioning equipment and application method of bridge construction |
| WO2018028555A1 (en) * | 2016-08-08 | 2018-02-15 | 中国铁道科学研究院铁道建筑研究所 | Tensioning device for prefabricated track slab and synchronous relaxation device for pre-tensioned prefabricated track slab |
-
2015
- 2015-08-24 CN CN201520637313.8U patent/CN204869215U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028555A1 (en) * | 2016-08-08 | 2018-02-15 | 中国铁道科学研究院铁道建筑研究所 | Tensioning device for prefabricated track slab and synchronous relaxation device for pre-tensioned prefabricated track slab |
| CN106758848A (en) * | 2017-01-19 | 2017-05-31 | 浙江兴土桥梁专用装备制造有限公司 | For the vertical prestressing bar intelligent tensioning equipment and application method of bridge construction |
| CN106758848B (en) * | 2017-01-19 | 2024-03-12 | 浙江兴土桥梁专用装备制造有限公司 | Intelligent vertical prestressed reinforcement tensioning equipment for bridge construction and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103526948B (en) | The control method of intelligent tensioning system and intelligent tensioning system | |
| CN101620055B (en) | Simple creep test device of rocks and test method thereof | |
| WO2021208837A1 (en) | Ultra-large horizontal permeability test system having intelligent multi-stage loading function and variable seepage path | |
| CN102304979B (en) | The automatic control device of pre-stress stretching device | |
| CN204869215U (en) | Prestressed concrete sleeper reinforcing bar tensioning equipment | |
| CN202023150U (en) | Reaction frame pre-pressing system used in bridge hanging basket construction | |
| CN101761034A (en) | Construction method of side block straight-line segment of cantilever-concreting continuous beam | |
| CN102862316A (en) | Press machine and hydraulic control system thereof | |
| CN109577200B (en) | Support counter force control device and method for multi-leg support system | |
| CN205257694U (en) | Elevator load calibration equipment based on water tank | |
| CN101865181B (en) | Automatic diagnostic system of hydraulic system applied to stage driving | |
| CN201456228U (en) | Automatic control system for PHC tubular pile stretching | |
| CN104111670B (en) | Prestressed tension control system and control method | |
| CN108225896B (en) | Cast-in-place continuous beam No. 0 segment bracket static load preloading testing device and testing method | |
| CN210500703U (en) | Synchronous jacking system of prefabricated box girder template | |
| CN213714946U (en) | Pressure device for testing and detecting raw materials of highway engineering | |
| CN201581654U (en) | Crack pouring and glue injecting machine | |
| CN202658523U (en) | Secure intelligent steel-strand secondary tensioning system | |
| CN212405133U (en) | Automatic anchor cable tensioning device | |
| CN208596047U (en) | A kind of casing-head gas anchor testing platform | |
| CN202519581U (en) | Automatic prestress intelligent stretching device | |
| US20170211252A1 (en) | Device for obtaining c.g.s injection control chart for seismic retrofitting and controlling quality | |
| CN103056649B (en) | Super-large-scale multi-functional pressing machine frame installing method | |
| CN206516699U (en) | Filling machine servomechanism | |
| CN203783611U (en) | Anchor rod tension meter for coal mine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20170824 |