CN204875875U - Anti sea anchor pole bearing capacity detecting system of many reinforcing bars of major diameter - Google Patents

Anti sea anchor pole bearing capacity detecting system of many reinforcing bars of major diameter Download PDF

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Publication number
CN204875875U
CN204875875U CN201520500154.7U CN201520500154U CN204875875U CN 204875875 U CN204875875 U CN 204875875U CN 201520500154 U CN201520500154 U CN 201520500154U CN 204875875 U CN204875875 U CN 204875875U
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CN
China
Prior art keywords
steel strand
anchor rod
grip
reinforcing bar
major diameter
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Expired - Fee Related
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CN201520500154.7U
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Chinese (zh)
Inventor
吴大国
王春林
束兵
姚运昌
彭建和
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Anhui Construction Engineering Quality Supervision and Testing Station Co Ltd
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Anhui Construction Engineering Quality Supervision and Testing Station Co Ltd
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Priority to CN201520500154.7U priority Critical patent/CN204875875U/en
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Abstract

The utility model discloses an anti sea anchor pole bearing capacity detecting system of many reinforcing bars of major diameter, including steel strand wires, steel strand wires are vertical setting, and the lower extreme is used for the anti sea anchor pole of fixed connection, and the upper end is used for bearing the lifting effort, reinforcing bar anchor clamps, centre gripping pipe that the reinforcing bar anchor clamps include pipe shape with set up in centre gripping pipe inside of the top of's grip block, the grip block is used for connecting the lower extreme of steel strand wires, the centre gripping pipe is provided with two rows of radial screws of arranging along the axial, and two rows radial screw symmetric distribution in the both sides of centre gripping hollow shaft line, every be provided with a grip bolt in the radial screw, one case roof beam, be provided with the confession on the case roof beam the through -hole that steel strand wires passed, a lifting equipment, lifting equipment be used for to the steel strand wires upper end provides the lifting effort, a displacement test equipment, displacement test equipment is used for measuring the displacement volume of steel strand wires upper end. The utility model discloses processing is convenient, the assembly is swift.

Description

Major diameter many reinforcing bar anti-float anchor rod loading test systems
Technical field
The utility model relates to a kind of major diameter many reinforcing bar anti-float anchor rod loading test systems, belongs to construction work facility stress performance testing equipment technical field.
Background technology
Along with in recent years, the continuous increase of building foundation buried depth objective demand, anti-float anchor rod testing arrangement and method for improving the firm and safety of building have been waited until and have been developed quickly.In order to improve accuracy and the detection efficiency of anti-float anchor rod loading test, this area proposes a lot of schemes, disclose a kind of raft plate anti-float anchor rod resistance to plucking detection experiment collapsible tool as Chinese patent literature CN102839692A and apply the method that this instrument carries out testing, scheme disclosed in the document has certain contribution for the cost savings of anti-float anchor rod loading test.In addition, in order to have more simple structure relatively, thus be conducive to the test efficiency improving anti-float anchor rod loading test, and ensure the accuracy of experimental result, Chinese patent literature CN203949781U discloses anti-float anchor rod loading test device, not only structure is simple for it, assembling rapidly, detection experiment efficiency is high, and optimize box-beam structure, thus can ensure that connecting rod is vertical on guard box beam horizontal base, to ensure the accuracy of test result, reduce the error because the horizontal component of connecting rod inclination generation and the frictional force of increase cause result of the test.
Above-mentioned prior art still has the space of improving further: the loading test test of anti-float anchor rod all utilizes punching jack to carry out on-the-spot pull-out test, in traditional pull-out test, will punching jack through whole group of dowel, then at dowel upper weld one section of reinforcement bar, thus jack power is upwards delivered on dowel, this kind mode operating efficiency is low, labour intensity is large, experimentation cost is high.For this reason, Chinese patent literature CN104674858A discloses a kind of anti-floats request anchor rod drawing test instrument, which provide a kind of anchor pole locked assembly, anchor pole and lengthening anchor pole can be linked together fast, centre-hole jack applies pulling capacity to lengthening anchor pole, and be passed on anchor pole, thus carry out pull-out test.But its deficiency existed is: anchor pole locked assembly complex structure, not only processing difficulties, working (machining) efficiency low, easily damage, and when using, efficiency of assembling is low, and assembly manipulation is easily made a fault or deviation, thus causes the accuracy affected of result of the test.
Summary of the invention
The utility model for the deficiency that prior art exists, provides a kind of major diameter many reinforcing bar anti-float anchor rod loading test systems just, can overcome the deficiency that prior art exists, meet actual tests instructions for use.
For solving the problem, technical solution adopted in the utility model is as follows:
A kind of major diameter many reinforcing bar anti-float anchor rod loading test systems, comprising:
One steel strand, described steel strand are vertically arrange, and lower end is used for being fixedly connected with anti-float anchor rod, and upper end is used for bearing lifting active force;
One rebar clips, described rebar clips comprises the grip tube of tubular and is arranged at the grip block of described grip tube inside top, described grip block is for connecting the lower end of described steel strand, described grip tube is provided with the radial screw that two rows arrange vertically, and the described radial screw of two rows is symmetrically distributed in the both sides of described grip tube axis, is provided with a grip bolt in each described radial screw;
One case beam, described case beam is provided with the through hole passed for described steel strand;
One lifting equipment, described lifting equipment is used for providing lifting active force to described steel strand upper end;
One displacement measurement equipment, described displacement measurement equipment is for measuring the displacement of described steel strand upper end.
As the improvement of technique scheme, grip block comprises retaining sleeve and holding piece, described holding piece is two and is semicircular platforms shape, described retaining sleeve is provided with the through hole of taper, the lower end of described steel strand is between two described holding pieces, two described holding pieces are arranged in the conical through-hole of described retaining sleeve, and described retaining sleeve and described grip tube inside top are threaded connection.
As the improvement of technique scheme, described grip bolt comprise towards the bare terminal end of described grip tube axis and dorsad described grip tube axis screw end, described grip bolt also comprises the movable sleeve being arranged at described bare terminal end, described bare terminal end is provided with the suit post that diameter is less than described grip bolt diameter, described movable sleeve one end is provided with cylindrical radial groove, the described movable sleeve other end is provided with the blind hole for being sleeved on described suit post, and the external diameter of described movable sleeve is less than or equal to the diameter of described grip bolt.
As the improvement of technique scheme, also comprise buttress and porous anchor, described case beam is arranged at ground by described buttress, described steel strand are through the through hole of described case beam, and described steel strand lower end connects anti-float anchor rod and upper end connects described porous anchor, described lifting equipment to be arranged on described case beam and to be positioned at bottom described porous anchor for porous anchor described in lifting.
As the improvement of technique scheme, also comprise upper padding plate and be positioned at the lower bolster below described upper padding plate, described upper padding plate and described lower bolster are provided with the backing plate hole passed for described steel strand, described lifting equipment comprise centre-hole jack and described centre-hole jack between described upper padding plate and described lower bolster, described porous anchor is positioned at above described upper padding plate.
As the improvement of technique scheme, also comprise and automatically add unloading controller; Described displacement measurement equipment is displacement transducer, and described lifting equipment also comprises for the electric oil pump to described centre-hole jack conveying high-pressure fluid; The described unloading controller that automatically adds is electrically connected with institute's displacement sensors and described electric oil pump, and for controlling described electric oil pump operation.
The mounting method of above-mentioned major diameter many reinforcing bar anti-float anchor rod loading test systems, comprises the following steps:
Step one, leveling test site, and do cure process;
Step 2, set up described buttress, the spacing of described buttress is not less than 3 meters, not little relative to the height of ground line 0.5 meter;
Step 3, be enclosed within anti-float anchor rod by the described grip tube being connected to described steel strand, anchoring is respectively tightened by ten described grip bolts in both sides, and larger than anti-float anchor rod diameter 5 millimeters of the internal diameter of described grip tube;
Step 4, set up described case beam, make the center of the through-hole alignment anti-float anchor rod of described case beam, be positioned at anti-float anchor rod center place described lower bolster in described case back portion, and described lower bolster thickness is 30 millimeters, described lower bolster center drilling diameter 150 millimeters;
Step 5, place described centre-hole jack, described centre-hole jack is consistent with anti-float anchor rod center;
Step 6, by described steel strand, anti-float anchor rod is drawn length, through described centre-hole jack, and with described porous anchor anchoring;
Step 7, set up datum line beam outward in test platform influence basin, and displacement meter is installed;
Step 8, described electric oil pump is installed and describedly automatically adds unloading controller.
Compared with prior art, implementation result of the present utility model is as follows for the utility model:
Major diameter described in the utility model many reinforcing bar anti-float anchor rod loading test systems, first rebar clips structure is simple, easy to process, assembling is quick, is easy to operating operation test; Secondly rebar clips is reliable to the firm grip of anti-float anchor rod, is optimally provided with movable sleeve further, adds the contact area with anti-float anchor rod, further enhancing blessing effect by cylindrical radial groove; Again by arrange automatically add unloading controller make anti-float anchor rod loading test test can automatically carry out, without the need to personnel monitor and reverse cyclic loadings, unloading hydraulic coupling, for loading force load time control more accurate.
Accompanying drawing explanation
Fig. 1 is major diameter described in the utility model many reinforcing bar anti-float anchor rod loading test system architecture schematic diagrames;
Fig. 2 is major diameter described in the utility model many reinforcing bar anti-float anchor rod loading test system side sectional structure schematic diagrames;
Fig. 3 is the cross-sectional view of rebar clips described in the utility model;
Fig. 4 is the structural representation of grip bolt described in the utility model.
Detailed description of the invention
Below in conjunction with specific embodiments content of the present utility model is described.
As shown in Figures 1 to 4, be major diameter described in the utility model many reinforcing bar anti-float anchor rod loading test system architecture schematic diagrames.Major diameter described in the utility model many reinforcing bar anti-float anchor rod loading test systems, comprising:
One steel strand 1, described steel strand 1 are vertically arrange, and lower end is used for being fixedly connected with anti-float anchor rod 2, and upper end is used for bearing lifting active force; One rebar clips 3, described rebar clips 3 comprises the grip tube 31 of tubular and is arranged at the grip block of described grip tube 31 inside top, described grip block is for connecting the lower end of described steel strand 1, described grip tube 31 is provided with the radial screw that two rows arrange vertically, and the described radial screw of two rows is symmetrically distributed in the both sides of described grip tube 31 axis, is provided with a grip bolt 33 in each described radial screw; As shown in Figure 3, described grip block is cylindrical, described grip tube 31 inside top is the cylindrical hole matched with described grip block, and described grip block comprises retaining sleeve 321 and holding piece 322, described holding piece 322 is two and is semicircular platforms shape, described retaining sleeve 321 is provided with the through hole of taper, the lower end of described steel strand 1 is between two described holding pieces 322, two described holding pieces 322 are arranged in the conical through-hole of described retaining sleeve 321, and described retaining sleeve 321 is threaded connection with described grip tube 31 inside top.
Further preferably, as shown in Figure 4, described grip bolt 33 comprise towards the bare terminal end 332 of described grip tube 31 axis and dorsad described grip tube 31 axis screw end 331, described grip bolt 33 also comprises the movable sleeve 333 being arranged at described bare terminal end 332, described bare terminal end 332 is provided with the suit post 334 that diameter is less than described grip bolt 33 diameter, described movable sleeve 333 one end is provided with cylindrical radial groove 3331, described movable sleeve 333 other end is provided with the blind hole for being sleeved on described suit post 334, and the external diameter of described movable sleeve 333 is less than or equal to the diameter of described grip bolt 33.
One case beam 4, described case beam 4 is provided with the through hole passed for described steel strand 1; One lifting equipment 5, described lifting equipment 5 is for providing lifting active force to described steel strand 1 upper end; One displacement measurement equipment 6, described displacement measurement equipment 6 is for measuring the displacement of described steel strand 1 upper end.Described displacement measurement equipment 6 can be dial gauge, dial gage or displacement transducer particularly, the position relationship of described steel strand 1, case beam 4, lifting equipment 5 and displacement measurement equipment 6 is not limited to the mode that the utility model specific embodiment provides, also can be other structures, such as: displacement measurement equipment 6 is positioned at described steel strand 1 lower end---known described steel strand 1 should be rigid body, and namely the change in displacement therefore surveying lower end also surveys the displacement of upper end; Steel strand 1 upper end is fixed on case beam 4, and described lifting equipment 5 is for case beam 4 described in lifting.
Preferably, also comprise and automatically add unloading controller 11; Described displacement measurement equipment 6 is displacement transducer, and described lifting equipment 5 also comprises for the electric oil pump 12 to described centre-hole jack conveying high-pressure fluid; The described unloading controller 11 that automatically adds is electrically connected with institute's displacement sensors and described electric oil pump 12, and for controlling the operation of described electric oil pump 12.Usually when carrying out the test of anti-float anchor rod loading test, stairstepping is needed to load force pulling, and stopping the different time, manual operation not only needs to take staff and loads hydraulic coupling and unloading hydraulic coupling repeatedly routinely, and is difficult to accurately perform for the load time.
Particularly, also comprise buttress 7 and porous anchor 8, described case beam 4 is arranged at ground by described buttress 7, described steel strand 1 are through the through hole of described case beam 4, and described steel strand 1 lower end connects anti-float anchor rod 2 and upper end connects described porous anchor 8, described lifting equipment 5 to be arranged on described case beam 4 and to be positioned at bottom described porous anchor 8 for porous anchor described in lifting 8.The lower bolster 10 also comprising upper padding plate 9 and be positioned at below described upper padding plate 9, described upper padding plate 9 and described lower bolster 10 are provided with the backing plate hole passed for described steel strand 1, described lifting equipment 5 comprise centre-hole jack and described centre-hole jack between described upper padding plate 9 and described lower bolster 10, described porous anchor 8 is positioned at above described upper padding plate 9.
The mounting method of above-mentioned major diameter many reinforcing bar anti-float anchor rod loading test systems, comprises the following steps:
Step one, leveling test site, and do cure process;
Step 2, set up described buttress 7, the spacing of described buttress 7 is not less than 3 meters, not little relative to the height of ground line 0.5 meter;
Step 3, be enclosed within anti-float anchor rod 2 by the described grip tube 31 being connected to described steel strand 1, anchoring is respectively tightened by ten described grip bolts 33 in both sides, and larger than anti-float anchor rod 2 diameter 5 millimeters of the internal diameter of described grip tube 31; Which solving major diameter many reinforcing bar anti-float anchor rods cannot the difficult problem of anchoring, and is convenient to dismounting;
Step 4, set up described case beam 4, make the center of the through-hole alignment anti-float anchor rod 2 of described case beam 4, be positioned at anti-float anchor rod 2 center place described lower bolster 10 at described case beam 4 top, and described lower bolster 10 thickness is 30 millimeters, described lower bolster 10 center drilling diameter 150 millimeters;
Step 5, place described centre-hole jack, described centre-hole jack is consistent with anti-float anchor rod 2 center;
Step 6, by described steel strand 1, anti-float anchor rod 2 is drawn length, through described centre-hole jack, and with the anchoring of described porous anchor 8; Overcome the shortcomings such as traditional reinforcing bar weld anchor is admittedly consuming time, waste material;
Step 7, set up datum line beam 13 outward in test platform influence basin, and displacement meter is installed;
Step 8, described electric oil pump 12 is installed, and describedly automatically adds unloading controller 11; Avoid the error manually adding unloading.
Above content is in conjunction with specific embodiments to the detailed description that the utility model is done, and can not assert that the utility model is specifically implemented to be only limitted to these explanations.For the utility model person of ordinary skill in the field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as the scope belonging to the utility model protection.

Claims (6)

1. major diameter many reinforcing bar anti-float anchor rod loading test systems, is characterized in that, comprising:
One steel strand (1), described steel strand (1) are vertically arrange, and lower end is used for being fixedly connected with anti-float anchor rod (2), and upper end is used for bearing lifting active force;
One rebar clips (3), described rebar clips (3) comprises the grip tube (31) of tubular and is arranged at the grip block of described grip tube (31) inside top, described grip block is for connecting the lower end of described steel strand (1), described grip tube (31) is provided with the radial screw that two rows arrange vertically, and the described radial screw of two rows is symmetrically distributed in the both sides of described grip tube (31) axis, is provided with a grip bolt (33) in each described radial screw;
One case beam (4), described case beam (4) is provided with the through hole passed for described steel strand (1);
One lifting equipment (5), described lifting equipment (5) is for providing lifting active force to described steel strand (1) upper end;
One displacement measurement equipment (6), described displacement measurement equipment (6) is for measuring the displacement of described steel strand (1) upper end.
2. major diameter many reinforcing bar anti-float anchor rod loading test systems as claimed in claim 1, it is characterized in that, described grip block comprises retaining sleeve (321) and holding piece (322), described holding piece (322) is two and is semicircular platforms shape, described retaining sleeve (321) is provided with the through hole of taper, the lower end of described steel strand (1) is positioned between two described holding pieces (322), two described holding pieces (322) are arranged in the conical through-hole of described retaining sleeve (321), described retaining sleeve (321) and described grip tube (31) inside top are threaded connection.
3. major diameter many reinforcing bar anti-float anchor rod loading test systems as claimed in claim 1, it is characterized in that, described grip bolt (33) comprise towards the bare terminal end (332) of described grip tube (31) axis and dorsad described grip tube (31) axis screw end (331), described grip bolt (33) also comprises the movable sleeve (333) being arranged at described bare terminal end (332), described bare terminal end (332) is provided with the suit post (334) that diameter is less than described grip bolt (33) diameter, described movable sleeve (333) one end is provided with cylindrical radial groove (3331), described movable sleeve (333) other end is provided with the blind hole for being sleeved on described suit post (334), and the external diameter of described movable sleeve (333) is less than or equal to the diameter of described grip bolt (33).
4. as the major diameter many reinforcing bar anti-float anchor rod loading test systems as described in arbitrary in claims 1 to 3, it is characterized in that, also comprise buttress (7) and porous anchor (8), described case beam (4) is arranged at ground by described buttress (7), described steel strand (1) are through the through hole of described case beam (4), and described steel strand (1) lower end connects anti-float anchor rod (2) and upper end connects described porous anchor (8), it is upper and be positioned at described porous anchor (8) bottom and be used for porous anchor (8) described in lifting that described lifting equipment (5) is arranged at described case beam (4).
5. major diameter many reinforcing bar anti-float anchor rod loading test systems as claimed in claim 4, it is characterized in that, also comprise upper padding plate (9) and be positioned at the lower bolster (10) below described upper padding plate (9), described upper padding plate (9) and described lower bolster (10) are provided with the backing plate hole passed for described steel strand (1), described lifting equipment (5) comprises centre-hole jack and described centre-hole jack is positioned between described upper padding plate (9) and described lower bolster (10), and described porous anchor (8) is positioned at described upper padding plate (9) top.
6. major diameter many reinforcing bar anti-float anchor rod loading test systems as claimed in claim 5, is characterized in that, also comprise and automatically add unloading controller (11); Described displacement measurement equipment (6) is displacement transducer, and described lifting equipment (5) also comprises for the electric oil pump (12) to described centre-hole jack conveying high-pressure fluid; The described unloading controller (11) that automatically adds is electrically connected with institute's displacement sensors and described electric oil pump (12), and for controlling described electric oil pump (12) operation.
CN201520500154.7U 2015-07-09 2015-07-09 Anti sea anchor pole bearing capacity detecting system of many reinforcing bars of major diameter Expired - Fee Related CN204875875U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104963368A (en) * 2015-07-09 2015-10-07 安徽省建筑工程质量监督检测站 Large-diameter multiple steel bar anti-floating anchor bearing capacity detecting system and installation method thereof
CN105699192A (en) * 2016-03-14 2016-06-22 安徽省建筑科学研究设计院 Pull-out test device of glass fiber rib anti-floating anchor and test method of pull-out test device
CN108442422A (en) * 2018-04-28 2018-08-24 青岛理工大学 Many anchor type fibre muscle anti-floating anchor rod system is atress testing arrangement in coordination
CN108593446A (en) * 2018-04-28 2018-09-28 青岛理工大学 Multi-anchor fiber rib anti-floating anchor rod system collaborative stress testing method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104963368A (en) * 2015-07-09 2015-10-07 安徽省建筑工程质量监督检测站 Large-diameter multiple steel bar anti-floating anchor bearing capacity detecting system and installation method thereof
CN105699192A (en) * 2016-03-14 2016-06-22 安徽省建筑科学研究设计院 Pull-out test device of glass fiber rib anti-floating anchor and test method of pull-out test device
CN108442422A (en) * 2018-04-28 2018-08-24 青岛理工大学 Many anchor type fibre muscle anti-floating anchor rod system is atress testing arrangement in coordination
CN108593446A (en) * 2018-04-28 2018-09-28 青岛理工大学 Multi-anchor fiber rib anti-floating anchor rod system collaborative stress testing method
CN108593446B (en) * 2018-04-28 2020-10-23 青岛理工大学 Multi-anchor fiber rib anti-floating anchor rod system collaborative stress testing method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151216

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