CN207109590U - A kind of bridge vertical reinforcement tensioning equipment - Google Patents

A kind of bridge vertical reinforcement tensioning equipment Download PDF

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Publication number
CN207109590U
CN207109590U CN201720557519.9U CN201720557519U CN207109590U CN 207109590 U CN207109590 U CN 207109590U CN 201720557519 U CN201720557519 U CN 201720557519U CN 207109590 U CN207109590 U CN 207109590U
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CN
China
Prior art keywords
tensioning
hydraulic
pair
bar
bridge
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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.)
Withdrawn - After Issue
Application number
CN201720557519.9U
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Chinese (zh)
Inventor
王涛
吴谦
杜斌
张兴
张玉涛
车小林
沈明轩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Shun Kang Road And Bridge Advisory Co Ltd
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Guizhou Shun Kang Road And Bridge Advisory Co Ltd
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Priority to CN201720557519.9U priority Critical patent/CN207109590U/en
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Publication of CN207109590U publication Critical patent/CN207109590U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

A kind of bridge vertical reinforcement tensioning equipment is the utility model is related to, it includes tensioning equipment, running gear, the energy and hydraulic means;The tensioning equipment is arranged on bridge top plate, its a pair of support plinth for including setting along bridge top plate top surface width, the vertical support hydraulic bar being fixed at the top of support base, the vertical hydraulic stem supporting disk for being fixed on support hydraulic bar upper end, the vertical tensioning hydraulic stem being fixed at the top of hydraulic stem supporting disk, is installed on the tensioning platform in tensioning hydraulic stem stage casing and the steel lever assembly on tensioning platform;Running gear is placed on bridge top plate and is located at running gear side, and it includes traveling vehicle frame, Universal wheel and flat board;The energy and hydraulic means are arranged on running gear and including hydraulic means, battery and display screens.The utility model is easy to operate, and controllability is strong, tensioning efficiency high, can be achieved to realize vertical reinforcement mechanical tension, substitutes manual work, ensure that stretch-draw prestressing force quality, saved construction cost.

Description

A kind of bridge vertical reinforcement tensioning equipment
Technical field
The utility model belongs to technical field of bridge construction, and in particular to a kind of bridge vertical reinforcement tensioning equipment.
Background technology
Vertical prestressed reinforcement is applied to a kind of prestress system on nonprismatic continuous beam and continuous rigid frame bridge, and it is made With the shear stress being resistant in girder, the rigidity of enhancing structure, therefore, the tensioning of vertical prestressing bar whether specification, stretching force Whether the influence up to standard to structure is very big, and at present, the tensioning of vertical prestressed reinforcement is mainly by artificial, using simple machine Tool device carries out tensioning to it, and the process of tensioning wastes time and energy, and the process of often tensioning is lack of standardization, and force value is not up to standard, causes Vertical prestressing in beam body often differs larger with design, and Vertical prestress losses are excessive.For prestressed application, often It is to need certain operating process, is such as stretched to 70% prestress value in the first stage, is opened again after holding more than lotus 10min Draw, lotus 30min is held after tensioning value design load, can be anchored after presstressed reinforcing steel deformation or sliding stability, the mode of artificial tensioning Usually it is that drawing is anchor, the deformation of reinforcing bar can not be considered, this is also one of the reason for Vertical prestress losses is larger.Cause This, to solve these problems, substitutes artificial stretching mode, standard operation, obtains reliable vertical prestressing, invents a kind of vertical Pre-stress stretching device, solves the problems, such as physical presence in bridge construction.
The content of the invention
In view of the above-mentioned problems, the utility model proposes a kind of reasonable in design, easy to operate, controllability is strong, tensioning Efficiency high, it can be achieved to realize vertical reinforcement mechanical tension, substitute manual work, ensure that stretch-draw prestressing force quality, save The bridge vertical reinforcement tensioning equipment of construction cost.
The technical solution of the utility model is as follows:
Above-mentioned bridge vertical reinforcement tensioning equipment, including tensioning equipment, running gear, the energy and hydraulic means;It is described Tensioning equipment is arranged on bridge top plate, its a pair of support plinth for including setting along bridge top plate top surface width, vertical The support hydraulic bar that is fixed at the top of the support base, the hydraulic stem supporting for being fixed on the support hydraulic bar upper end vertically Disk, the tensioning hydraulic stem being fixed on vertically at the top of the hydraulic stem supporting disk, the tensioning for being installed on the tensioning hydraulic stem stage casing Platform and the steel lever assembly on the tensioning platform;The tensioning platform is connected in the tensioning by screw thread On the stage casing body of rod of hydraulic stem, its center of top offers bellmouth;The tensioning hydraulic stem has a pair and upper end is to institute State and passed above tensioning platform;The top of the tensioning platform is linear in the region between a pair of tensioning hydraulic stems Arrangement is provided with welding bearing;The steel lever assembly includes main lever, cylinder is carved in branch lever, clamping hydraulic bar, taper, pressure rings and Bearing ring;The inclined top for being articulated with the branch lever and clamping hydraulic bar of the main lever;The branch lever has a pair And it is fixed on described in one pair of which and welds on bearing vertically respectively;The clamping hydraulic bar also has a pair and fixed vertically respectively In on the welding bearing of a pair on the outside of a pair of clamping hydraulic bars, the height of the clamping hydraulic bar is between described Tensioning hydraulic stem upper end is passed between the length above the tensioning platform and the branch lever;Cylinder matching installing is carved in the taper In bellmouth in the middle part of the tensioning platform, its upper end is to stretching out above the tensioning platform and external part is provided with the pressure Power ring;The bearing ring location and installation is on the top of the pressure rings, and its opposite sides is with the main lever close to the tensioning One end in the middle part of platform is connected;The tensioning platform is sequentially passed through by tension reinforcing steel bar, cylinder, pressure rings and pressure-bearing are carved in taper Ring;The running gear is placed on bridge top plate and is located at the running gear side, and it includes traveling vehicle frame, Matching installation exists The Universal wheel of traveling vehicle frame bottom four corners and the horizontal flat board for being installed in the traveling vehicle frame rear portion;Before the traveling vehicle frame Portion is connected with the hydraulic stem supporting disk;The energy and hydraulic means are arranged on the running gear, and it includes being fixed on Hydraulic means and display screen on the flat board and the battery for being fixed on the hydraulic means top surface;The hydraulic means is certainly With hydralic pressure gauge, it is respectively that the support hydraulic bar, tensioning hydraulic stem and clamping hydraulic bar supply hydraulic pressure by hydraulic oil pipe Oil;The battery electrically connects with the hydraulic means and display screen respectively.
The bridge vertical reinforcement tensioning equipment, wherein:The tensioning hydraulic stem passes to tensioning platform top One end has screwed stop bit nut.
The bridge vertical reinforcement tensioning equipment, wherein:The traveling vehicle frame includes a pair of horizontally disposed girders, vertical It is fixedly arranged on a pair of columns, the crossbeam being fixedly connected between a pair of main beam rear ends on a pair of the main beam rear end top And it is fixedly connected on a pair of hounds between a pair of column upper ends and a pair of girder upper front ends;It is the pair of Hound is parallel to each other.
The bridge vertical reinforcement tensioning equipment, wherein:The front end of the girder is connected with the hydraulic stem supporting disk, institute State girder and be laid with the hydraulic oil pipe for rectangle formed steel construction and inside.
The bridge vertical reinforcement tensioning equipment, wherein:The upper rear of a pair of columns is also associated with handle.
The bridge vertical reinforcement tensioning equipment, wherein:The front bottom end of a pair girders and stage casing bottom installation institute Universal wheel is stated, the Universal wheel is walked on bridge top plate by friction.
The bridge vertical reinforcement tensioning equipment, wherein:The flatbed horizontal is fixedly mounted on the crossbeam and a pair of institutes State the region that main beam rear end surrounds.
Beneficial effect:
The utility model bridge vertical reinforcement tensioning equipment is reasonable in design, simple to operate, is easily mastered, operability By force, mechanical tension can be realized to vertical prestressing bar, instead of artificial, it is possible to achieve one man operation, realize reduction to labor The requirement of power, tensioning efficiency is significantly improved, has saved construction cost;Whole stretching process controllability is high simultaneously, ensure that The standard operation of vertical prestressing bar tensioning, furthermore single vertical prestressing bar tensioning can greatly shorten the duration, certain Cheng Cheng The duration of whole bridge construction can be reduced on degree, significantly improves operating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model bridge vertical reinforcement tensioning equipment;
Fig. 2 is the front view of the utility model bridge vertical reinforcement tensioning equipment;
Fig. 3 is the left view of the utility model bridge vertical reinforcement tensioning equipment.
Embodiment
As shown in Figures 1 to 3, the utility model bridge vertical reinforcement tensioning equipment, including tensioning equipment 1, running gear 2, The energy and hydraulic means 3.
The tensioning equipment 1 is arranged on bridge top plate 4, and it includes support plinth 11, support hydraulic bar 12, hydraulic stem supporting Disk 13, tensioning hydraulic stem 14, tensioning platform 15 and steel lever assembly 16.
The support plinth 11 is a pair set along the top surface width of bridge top plate 4;The support hydraulic bar 12 has one Pair and be fixedly arranged on the top of a pair of support plinths 11 vertically respectively, the lower end of the support hydraulic bar 12 is by welding or bolt connection In the top of support plinth 11;The hydraulic stem supporting disk 13 also has a pair, and the bottom of a pair of hydraulic stem supporting disks 13 passes through Welding or bolt connection are in the upper end of a pair of support hydraulic bars 12;The tensioning hydraulic stem 14 is a pair be vertically arranged, and this is a pair The bottom of tensioning hydraulic stem 14 passes through bolt or the body of rod being welded to connect more than the top surface of a pair of hydraulic stem supporting disks 13, bottom On offer screw thread;The tensioning platform 15 is connected on a pair of stage casing bodies of rod of tensioning hydraulic stem 14 by screw thread, the tensioning Platform 15 longitudinally offers bellmouth along center of top;The upper end of a pair of tensioning hydraulic stems 14 passes to the top of tensioning platform 15 And traversing through end has screwed stop bit nut 141;The top of the tensioning platform 15 is in the area between a pair of tensioning hydraulic stems 14 Domain is linearly provided with four welding bearings 151 of a row.
The steel lever assembly 16 carves cylinder 164, pressure including main lever 161, branch lever 162, clamping hydraulic bar 163, taper Ring 165 and bearing ring 166;The main lever 161 has a pair and inclined is articulated with branch lever 162 and clamping hydraulic bar 163 Top;The branch lever 162 has a pair and welds or be bolted to vertically respectively a pair of welding bearings 151 of centre On;The clamping hydraulic bar 163 also has a pair and is respectively welded or is bolted to outermost a pair of welding bearing 151 On, the height of the clamping hydraulic bar 163 passes the length above tensioning platform 15 between branch lever 162 and the upper end of tensioning hydraulic stem 14 Between degree;The taper, which is carved cylinder 164 and matched, to be installed in the bellmouth at the middle part of the tensioning platform 15 and upper end is on tensioning platform 15 Side is stretched out;The pressure rings 165 are arranged on taper and carve one end that cylinder 164 passes to the top of tensioning platform 15;The bearing ring 166 positions Installed in the top of pressure rings 165, its opposite sides is connected solid with a pair of main levers 161 close to the one end at the middle part of tensioning platform 15 It is fixed.Tensioning platform 15 is sequentially passed through by tension reinforcing steel bar 5 from bottom to top, cylinder 164 is carved in taper, pressure rings 165 and bearing ring 166.
The running gear 2 is placed on bridge top plate 4 and is located at the side of running gear 2, and it includes traveling vehicle frame 21 and matching Installed in the Universal wheel 22 of the bottom four corners of traveling vehicle frame 21;The traveling vehicle frame 21 includes horizontally disposed a pair of girders 211, erected A straight column 212, the crossbeam being welded to connect between a pair of rear ends of girder 211 for being welded in a pair of upper rear ends of girder 211 213 and a pair of hounds 214 for being welded to connect between the upper end of a column 212 and a pair of upper front ends of girder 211;This one It is parallel to each other to hound 214;Wherein, the front end of a pair of girders 211 is connected with a pair of hydraulic stem supporting disks 13 respectively, and this one To girder 211 be rectangle formed steel construction and inside is laid with hydraulic oil pipe;The upper rear of one column 212 is also associated with handle Hand 215, in the course of the work, push handle 215 is only needed to drive running gear 2 to move;The Universal wheel 22 is arranged on a pair The front bottom end of girder 211 and stage casing bottom, it is by rubbing on walking and bridge top plate 4, it is possible to achieve running gear 2 is each Movement on individual direction;Meanwhile the rear end of a pair of girders 211 is installed with flat board with the region also level that crossbeam 213 surrounds 23。
The energy and hydraulic means 3 are arranged on running gear 2, and it includes hydraulic means 31, battery 32 and display screen 33;Wherein, the hydraulic means 31 is bolted on the flat board 23 of running gear 2, and it connects hydraulic oil pipe and passes through liquid Pressuring oil pipe is respectively that support hydraulic bar 12, tensioning hydraulic stem 14 and clamping hydraulic bar 163 supply hydraulic oil, makes support hydraulic bar 12nd, tensioning hydraulic stem 14 and clamping hydraulic bar 163 work;The hydraulic means 31 comes with hydralic pressure gauge;The battery 32 passes through Be bolted to the top surface of hydraulic means 31, it is electrically connected with hydraulic means 31 and display screen 33 respectively, be hydraulic means 31 and Display screen 33 provides electric energy;The display screen 33 is also disposed on the flat board 23 of running gear 2 and is located at the side of battery 32;This is aobvious Display screen 33 can show and control the speed of the pressure output of hydraulic means 31, while can read pressure value and enter with the reading of pressure rings 165 Row contrast is checked, so as to the real-time control to stretching force.
Operation principle of the present utility model is:
In the course of the work, the utility model is moved to the position of vertical prestressing bar, it is pre- according to vertical prestressing bar The length stayed adjusts the height of tensioning platform 15;It is related to the tensioning of reinforced bar stretching end clamping force and reinforcing bar in whole process Power;The realization of reinforced bar stretching end clamping force is jacked upwards by clamping hydraulic bar 163, is transmitted to pressure by main lever 161 Bearing ring 166, pressure rings 165, taper are promoted to carve cylinder 164 and move down, due to the bellmouth on tensioning platform 15, cylinder is carved in taper 164 can be achieved in reinforced bar stretching end clamping force by reinforcing bar anchor extremely on tensioning platform 15;The stretching force of reinforcing bar passes through tensioning liquid The upward jacking of depression bar 14, tensioning platform 15 are fixed on tensioning hydraulic stem 14, in the process that tensioning hydraulic stem 14 jacks upwards Middle drive tensioning platform 15 moves up, and dead by the anchor of tension reinforcing steel bar 5, so as to realize to by the tensioning of tension reinforcing steel bar 5, setting Pressure rings 165 can be with the tensioning force value of direct measurement reinforcing bar.
The course of work of the present utility model is:
The utility model is moved this by the burial place of tension reinforcing steel bar 5, by the contraposition of reinforcing bar top through tensioning platform 15 Bellmouth, decentralization support hydraulic bar 12, by the contact bridge top surface of the beam of support plinth 11, the appropriate support hydraulic bar 12 that jacks will walking The anterior Universal wheel 22 of device 2 is slightly lifted away from bridge floor, and the clamping hydraulic bar 163 jacked on tensioning platform 15 clamps reinforcing bar, Tensioning hydraulic stem 14 is jacked to realizing tensioning by drawing reinforcing bar, when reaching rebar design stretching force, stops tensioning hydraulic stem 14 Jacking, keep tensioning hydraulic height to fix, vertical prestressing bar is anchored using anchor;After the completion of anchoring, decline Clamping hydraulic bar 163, slowly decline tensioning hydraulic stem 14 and realize that taper carves cylinder 164 and removes tensioning platform 15, opened so as to loosen Reinforcing bar 5 is drawn, the stretching process for by tension reinforcing steel bar 5, sealing off and covering anchorage, completing whole vertical prestressing bar is cut off according to technical regulation.In steel During muscle tensioning, pressure rings 165 can directly read the value of thrust suffered by reinforcing bar, the hydralic pressure gauge that hydraulic means 31 carries The numerical value of hydraulic pressure can be read, can also obtain being applied to the pulling force of reinforcing bar by conversion, so just there are 2 two reinforcing bar pulling force Measurement approach, the pulling force suffered by reinforcing bar can be read respectively during tension reinforcing steel bar, both mutually check, to ensure steel The accuracy of muscle stretching force.
The utility model is reasonable in design, easy to operate, and controllability is strong, tensioning efficiency high, can be achieved to vertical reinforcement Mechanical tension is realized, substitutes manual work, ensure that stretch-draw prestressing force quality, saved construction cost.

Claims (7)

  1. A kind of 1. bridge vertical reinforcement tensioning equipment, it is characterised in that:The equipment includes tensioning equipment, running gear, the energy And hydraulic means;
    The tensioning equipment is arranged on bridge top plate, and it includes a pair of the supporting bottoms set along bridge top plate top surface width Seat, the support hydraulic bar being fixed on vertically at the top of the support plinth, the hydraulic pressure for being fixed on the support hydraulic bar upper end vertically Bar supporting disk, the tensioning hydraulic stem being fixed on vertically at the top of the hydraulic stem supporting disk, it is installed on the tensioning hydraulic stem stage casing Tensioning platform and the steel lever assembly on the tensioning platform;The tensioning platform is connected in institute by screw thread State on the stage casing body of rod of tensioning hydraulic stem, its center of top offers bellmouth;The tensioning hydraulic stem has a pair and upper end Passed to tensioning platform top;The top of the tensioning platform is in the region between a pair of tensioning hydraulic stems It is arranged in a linear provided with welding bearing;
    The steel lever assembly carves cylinder, pressure rings and bearing ring including main lever, branch lever, clamping hydraulic bar, taper;The master The inclined top for being articulated with the branch lever and clamping hydraulic bar of lever;The branch lever has a pair and fixed vertically respectively In described in one pair of which weld bearing on;The clamping hydraulic bar also has a pair and is fixed on vertically positioned at described in a pair respectively On a pair of welding bearings on the outside of clamping hydraulic bar, the height of the clamping hydraulic bar is between the tensioning hydraulic stem upper end Pass between the length above the tensioning platform and the branch lever;The taper carves cylinder matching and is installed in the tensioning platform In the bellmouth at middle part, its upper end is provided with the pressure rings to stretching above the tensioning platform and external part;The pressure-bearing Ring location and installation is in the top of the pressure rings, its opposite sides and the one end of the main lever in the middle part of the tensioning platform It is connected;The tensioning platform is sequentially passed through by tension reinforcing steel bar, cylinder, pressure rings and bearing ring are carved in taper;
    The running gear is placed on bridge top plate and is located at the running gear side, and it includes traveling vehicle frame, Matching installation Universal wheel and the horizontal flat board for being installed in the traveling vehicle frame rear portion in traveling vehicle frame bottom four corners;The traveling vehicle frame It is anterior to be connected with the hydraulic stem supporting disk;
    The energy and hydraulic means are arranged on the running gear, it include the hydraulic means that is fixed on the flat board and Display screen and the battery for being fixed on the hydraulic means top surface;The hydraulic means comes with hydralic pressure gauge, and it passes through hydraulic pressure Oil pipe is respectively the support hydraulic bar, tensioning hydraulic stem and clamping hydraulic bar supply hydraulic oil;The battery respectively with institute State hydraulic means and display screen electrical connection.
  2. 2. bridge vertical reinforcement tensioning equipment as claimed in claim 1, it is characterised in that:The tensioning hydraulic stem is to described Even up the one end passed above platform and screw stop bit nut.
  3. 3. bridge vertical reinforcement tensioning equipment as claimed in claim 1, it is characterised in that:The traveling vehicle frame includes horizontal cloth A pair of girders putting, it is fixedly arranged on a column on a pair of the main beam rear end top vertically, is fixedly connected on a pair of girders Crossbeam between rear end and be fixedly connected between a pair of column upper ends and a pair of girder upper front ends a pair Hound;The pair of hound is parallel to each other.
  4. 4. bridge vertical reinforcement tensioning equipment as claimed in claim 3, it is characterised in that:The front end of the girder and the liquid Depression bar supporting disk connects, and the girder is rectangle formed steel construction and inside is laid with the hydraulic oil pipe.
  5. 5. bridge vertical reinforcement tensioning equipment as claimed in claim 3, it is characterised in that:The upper rear of a pair of columns It is also associated with handle.
  6. 6. bridge vertical reinforcement tensioning equipment as claimed in claim 3, it is characterised in that:The front bottom end of a pair of girders The Universal wheel is installed with stage casing bottom, the Universal wheel is walked on bridge top plate by friction.
  7. 7. bridge vertical reinforcement tensioning equipment as claimed in claim 3, it is characterised in that:The flatbed horizontal is fixedly mounted on The region that the crossbeam and a pair of main beam rear ends surround.
CN201720557519.9U 2017-05-19 2017-05-19 A kind of bridge vertical reinforcement tensioning equipment Withdrawn - After Issue CN207109590U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720557519.9U CN207109590U (en) 2017-05-19 2017-05-19 A kind of bridge vertical reinforcement tensioning equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720557519.9U CN207109590U (en) 2017-05-19 2017-05-19 A kind of bridge vertical reinforcement tensioning equipment

Publications (1)

Publication Number Publication Date
CN207109590U true CN207109590U (en) 2018-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720557519.9U Withdrawn - After Issue CN207109590U (en) 2017-05-19 2017-05-19 A kind of bridge vertical reinforcement tensioning equipment

Country Status (1)

Country Link
CN (1) CN207109590U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988226A (en) * 2017-05-19 2017-07-28 贵州顺康路桥咨询有限公司 A kind of bridge vertical reinforcement tensioning equipment
CN110284434A (en) * 2019-06-24 2019-09-27 范金昊 A kind of fortune ledges of cantilever bridge prestress muscle and fortune muscle method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106988226A (en) * 2017-05-19 2017-07-28 贵州顺康路桥咨询有限公司 A kind of bridge vertical reinforcement tensioning equipment
CN106988226B (en) * 2017-05-19 2018-10-30 贵州顺康路桥咨询有限公司 A kind of bridge vertical reinforcement tensioning equipment
CN110284434A (en) * 2019-06-24 2019-09-27 范金昊 A kind of fortune ledges of cantilever bridge prestress muscle and fortune muscle method
CN110284434B (en) * 2019-06-24 2024-02-27 中建八局第三建设有限公司 Tendon transport frame and tendon transport method for prestressed tendons of suspension casting bridge

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Granted publication date: 20180316

Effective date of abandoning: 20181030

AV01 Patent right actively abandoned