CN103822795B - Door-type scaffold element mechanics device for detecting performance and detection method - Google Patents
Door-type scaffold element mechanics device for detecting performance and detection method Download PDFInfo
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- CN103822795B CN103822795B CN201410080437.0A CN201410080437A CN103822795B CN 103822795 B CN103822795 B CN 103822795B CN 201410080437 A CN201410080437 A CN 201410080437A CN 103822795 B CN103822795 B CN 103822795B
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Abstract
A kind of door-type scaffold element mechanics device for detecting performance, this device comprises one door type reaction frame and a support body, and this reaction shelf of door type is provided with an actuator being used for exerting a force to described support body.Described support body comprises two side girders, entablature and sill, and described actuator is relative with the end face of entablature, and entablature can move up and down relative to described longeron; Described upper and lower crossbeam adjacent end place is respectively equipped with a supporting seat, this supporting seat is set side by side with multiple support level inserted for door frame leg to be measured, and between two supporting seats of described entablature, dismounting is connected with the grain-clamping table of the cross tube for pressure holding door frame to be measured; Also be provided with the survey instrument for measuring door frame deformation quantity to be measured and rack thereof simultaneously, and disclose the detection method utilizing this device.Pick-up unit in the present invention to door frame firm grip to be measured, convenience and versatility is high, and utilizes the detection method of this device convenient, and testing result is accurate.
Description
Technical field
The present invention relates to the pick-up unit of construction equipment, particularly relate to a kind of door-type scaffold element mechanics device for detecting performance and detection method.
Background technology
Door-type scaffold is with door frame, cross support, pitman, hung and buckled foot plank or the composition such as level frame, lock wall basic structure, horizontal reinforcing bar, bridging, bar of sweeping the floor, sealing bar, bracket and base are set again, and a kind of standardization steel pipe scaffold adopting wall-connecting piece to be connected with constructure body structure, be the most frequently used a kind of framing scaffold of building field.Door frame is the main member in door-type scaffold, its stressed member is welded still pipe, be welded to each other by vertical rod, cross bar and stiffener etc. and form, accept the most of vertical pressure putting on door-type scaffold, therefore the mechanical property of door frame is very important to the structural stability of door-type scaffold.Reaction shelf of door type is generally set in the device for detecting mechanical property of door frame and is used for fixing the support body of sample, wherein reaction shelf of door type forms a shape frame by two heel posts and the crossbeam be connected across between two heel posts, support body is placed in this shape frame, and the lower end of crossbeam is provided with an actuator be used for support body force.During test, door frame is fixed on support body, then by actuator, longitudinally pressure is applied to support body, detected the mechanical property of door frame by the deformation of measuring door frame.In actual detection, because door frame is square, volume is comparatively large, and clamp not strongly and be admittedly easily shifted, thus affect the accuracy of testing result, and existing pick-up unit generally can only detect the door frame of a few specification, versatility is poor.
Summary of the invention
First technical matters to be solved by this invention provides sample holder firm, convenient for prior art and the device for detecting mechanical property of the good door-type scaffold component of versatility.
Second technical matters to be solved by this invention is to provide a kind of above-mentioned detection device that uses can detection method that is convenient, accurately detection gate-type scaffold member.
The present invention solves the technical scheme that above-mentioned first technical matters adopt: a kind of door-type scaffold element mechanics device for detecting performance, comprise the support body that one door type reaction frame and is used for fixing door frame to be measured, this reaction shelf of door type forms a shape frame by two heel posts and the main beam be connected across between two heel posts, described support body is vertically placed in this shape frame, described main beam is provided with an actuator being used for exerting a force to described support body, it is characterized in that: described support body comprises two side girders and the entablature that is separately positioned between this two side girders end and sill, described actuator is relative with the end face of described entablature, and described entablature can move up and down relative to described longeron, the relative inner of described upper and lower crossbeam adjacent end is respectively arranged with a supporting seat corresponding with the end of the leg of door frame to be measured, this supporting seat is set side by side with multiple support level inserted for described leg end portions, and between two supporting seats of described entablature, dismounting is connected with the grain-clamping table of the cross tube for pressure holding door frame to be measured, also be configured with for measuring the survey instrument of door frame deformation quantity to be measured and being used for placing the rack of this survey instrument simultaneously.
Above-mentioned longeron and upper and lower crossbeam be specifically provided with multiple implementation, as preferably, two longerons be arranged in parallel before and after described longeron comprises, the gap slided up and down for described entablature is formed between described two longerons, the two ends of described sill are weldingly fixed between the bottom of corresponding longeron respectively, and the two ends of described entablature are clamped between the upper end of two longerons of respective longerons respectively, and carry out spacing respectively by a limit assembly, this setup makes support body one-piece construction simple, firm.
Further, described limit assembly comprises the spacing hole that is located in described two longeron upper ends successively and to be located in this spacing hole and to be used for supporting the gag lever post of described entablature, entablature can accurately be located by limit assembly, the trouble of entablature position is adjusted before can removing test from, also correspondingly ensure that the accuracy of testing result simultaneously, and entablature in door frame put procedure to be measured also can be avoided automatically to glide by spacing for entablature and cause the personal safety of testing staff dangerous.
Accurately locate in support body for making door frame to be measured, described support level is the blind hole being opened in described supporting seat, and the end of the aperture of this blind hole and described leg matches, the leg of door frame to be measured inserts in blind hole, avoids door frame to be measured in testing process move left and right and affect testing result.
For improving the versatility of this device further, make this device be applicable to detect the door frame of multiple width specifications, described supporting seat offers a chute along its length, is provided with one and supporting seat is fixed on set bolt on corresponding crossbeam in this chute.
Be similarly and door frame to be measured is accurately located in support body, described grain-clamping table is connected with described entablature by bolt, and the lower end of this grain-clamping table offers the V-shape groove for cross tube described in pressure holding, the grain-clamping table of upside coordinates fixing door frame to be measured with the supporting seat of downside, ensure that the stability that door frame to be measured clamps, ensure the accuracy of testing result.
In the embodiment of the present invention, survey instrument is a dial gauge, other can certainly be used to can be used to measure the instrument of change in displacement, described rack comprises one and stands upright on first vertical rod on ground and one end is connected and horizontally disposed first cross bar with this first vertical rod, one end of described dial gauge is provided with a clamping part, this clamping part is clamped on described first cross bar, this rack structure is simple, can need mobile placement location easily according to the measurement of dial gauge.
Because door frame volume is larger, as toppled in testing process, not only affect detection procedure, and danger can be caused to the personal safety of testing staff, therefore the both sides, front and back of described support body are horizontally disposed with guard assembly, the lug that this guard assembly comprises the band inserting hole being symmetricly set on two side girders respectively and the fender rod be located in successively between left and right two lugs of upper and lower one-tenth one determining deviation of many groups.
Suitable spacing is kept for making two side girder tops, and make support body one-piece construction firm, in each longeron outer upper, one stiffener is set, two longerons of this stiffener longitudinal beam connected, and this stiffener horizontally outward protrudes, form square ledge arrangement, be so also convenient to crane hook in both sides stiffener thus carrying support body.
The present invention solves the technical scheme that second technical matters adopt and comprises the following steps:
1. the fender rod of support body side is first taken off, the leg lower end of door frame to be measured is inserted in the blind hole of sill two ends supporting seat successively, take off the gag lever post on longeron, entablature is moved down, until the leg upper end of door frame to be measured is inserted in the blind hole of the supporting seat on entablature successively;
2. then by step 1. in the fender rod that takes off reinsert in corresponding lug;
3. then move rack, make rack and door frame to be measured be in suitable position, and the leg side of the contact of survey instrument and door frame to be measured is touched;
4. open actuator, make actuator pass through to act on the leg force that test aircraft body treated by entablature;
5. load grade by default force and continue to increase the force amount of actuator, read the reading on survey instrument simultaneously in time, represent that when the reading on survey instrument sharply changes door frame is about to destroy, close actuator and record the measuring limit value of door frame leg to be measured;
6. actuator and entablature are resetted, and grain-clamping table is mounted to bottom entablature, by grain-clamping table pressure holding in the middle part of the cross tube making door frame to be measured, touch bottom the cross tube of the contact of survey instrument and door frame to be measured simultaneously;
7. open actuator, make actuator pass through to act on the cross bar force that test aircraft body treated by entablature;
8. repeat step 5., record the measuring limit value of door frame cross bar to be measured;
9. last, close actuator, actuator and entablature are resetted, and gag lever post is inserted in spacing hole, make entablature be shelved on gag lever post, take off the fender rod of support body side, remove door frame to be measured.
Compared with prior art, the invention has the advantages that: supporting seat and grain-clamping table are set, firm grip door frame to be measured in testing process, ensure that the accuracy of testing result, and entablature can slide up and down along longeron, and supporting seat is provided with multiple support level, because this device can be used to the door-type scaffold door frame detecting plurality of specifications, improve the versatility of this device; Also make to utilize the detection method of this device more simple, convenient, testing result is more accurate simultaneously.
Accompanying drawing explanation
Fig. 1 is door-type scaffold element mechanics device for detecting performance perspective view (without grain-clamping table) in the present invention;
Fig. 2 is support body perspective view in Fig. 1;
Fig. 3 is another perspective view of door-type scaffold element mechanics device for detecting performance (being equipped with grain-clamping table) in the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figures 1 to 3, a kind of door-type scaffold element mechanics device for detecting performance, this device comprises reaction shelf of door type 1 and the support body 3 of inside and outside setting.Reaction shelf of door type 1 forms a shape frame by two heel posts 12 and the main beam 11 be connected across between two heel posts 12, and support body 3 is vertically placed in this shape frame.For ease of adjusting the setting height(from bottom) of crossbeam 11, column 12 is vertically arranged with many group bolts hole 121, often organize bolt hole 121 for two of being arranged side by side, main beam 11 is provided with actuator 2 simultaneously, be used for exerting a force to support body 3, thus power be delivered on the door frame to be measured 10 that is placed on support body 3 and detect.Support body 3 comprises two side girders 33 and the entablature 31 that is separately positioned between this two side girder 33 end and sill 32, and above-mentioned actuator 2 is relative with the end face of entablature 31.Wherein, two longerons 331 be arranged in parallel before and after every side girder 33 includes, and between two longerons 331, form the gap slided up and down for entablature 31, the two ends of sill 32 are weldingly fixed between the bottom of corresponding longeron 331 respectively, and the two ends of entablature 31 are clamped between the upper end of two longerons 331 of respective longerons 33 respectively, and carry out spacing respectively by a limit assembly.In the present embodiment, this limit assembly 4 comprises the spacing hole 42 that is opened in two longeron 331 upper ends successively and to be located in this spacing hole 42 and to be used for supporting the gag lever post 41 of entablature 31, entablature 31 can accurately be located by limit assembly, thus before removing test from, adjust the trouble of entablature 31 position, also correspondingly ensure that the accuracy of testing result simultaneously, and entablature 31 in door frame 10 put procedure to be measured also can be avoided automatically to glide by spacing for entablature 31 and cause the personal safety of testing staff dangerous.
On, sill 31, the relative inner of 32 adjacent end is respectively arranged with a supporting seat 34 corresponding with the end of the leg of door frame 10 to be measured, supporting seat 34 is set side by side with multiple support level inserted for door frame 10 leg to be measured, in the present embodiment, support level is the blind hole 341 be opened on supporting seat 34, and the aperture of blind hole 341 and the end of leg match, when detecting the leg of door frame 10 to be measured, the leg of door frame to be measured is all inserted in corresponding blind hole 341, open actuator 2 behind location to detect, in this example, the number of blind hole 341 is 2, namely each supporting seat 34 offers 2 blind holes 341 side by side.The door frame detecting plurality of specifications is can be used for for making this device, the front and back of supporting seat 34 offer a chute 342 along its length respectively, be provided with one in this chute 342 and supporting seat be fixed on set bolt 343 on corresponding crossbeam, can to horizontally slip corresponding supporting seat 34 according to door frame 10 width to be measured during use, be fixed by the set bolt 343 in chute 342 behind location.For ease of detecting the cross bar of door frame 10 to be measured, the bottom of entablature 31, be positioned at two supporting seat 34 middles of entablature 31, one grain-clamping table 13 being used for pressure holding door frame 10 to be measured cross tube is set, this grain-clamping table 13 is connected with entablature 31 by bolt, it can certainly be the mode that other removably connect, such as at entablature 31 bottom slot, then by the mode of grafting, grain-clamping table 13 is connected on entablature 31, for ease of the pressure holding of grain-clamping table 13 pairs of cross tubes, the lower end of grain-clamping table 13 offers the V-shape groove 131 for pressure holding cross tube.
Above-mentioned support body 3 is also provided with the survey instrument for measuring door frame deformation quantity to be measured and is used for placing the rack 5 of this survey instrument, in the present embodiment, survey instrument is a dial gauge 6, and other can certainly be used to can be used to measure the instrument of change in displacement; For making rack 5 structure simple, be convenient to mobile, in the present embodiment, rack 5 comprises one and stands upright on first vertical rod 51 on ground and one end is connected with this first vertical rod 51 and horizontally disposed first cross bar 52, one end of dial gauge 6 is provided with a clamping part 61, and this clamping part 61 is clamped on the first cross bar 52.
Suitable spacing is kept for making two side girder 33 tops, and make support body 3 one-piece construction firm, in each longeron 33 outer upper, one stiffener 9 is set, two longerons 331 of this stiffener 9 longitudinal beam connected 33, and this stiffener 9 horizontally outward protrudes, form square ledge arrangement, be so also convenient to crane hook and carry support body in both sides stiffener 9.Simultaneously, because door frame volume is larger, as toppled in testing process, not only affect detection procedure, and danger can be caused to the personal safety of testing staff, therefore the both sides, front and back of support body 3 have been horizontally disposed with on many groups, lower one-tenth one determining deviation guard assembly, this guard assembly comprises the lug 8 of the band inserting hole 81 being symmetricly set on two side girders 33 respectively and is located in a left side successively, fender rod 7 between right two lugs 8, in the present embodiment, before and after support body 3, both sides are symmetrically arranged with two groups of guard assemblies respectively, and often group guard assembly forms certain spacing between neighbour mutually up and down, thus protect door frame 10 to be measured better.
The detection method using above-mentioned detection device to carry out mechanics properties testing to the door frame of door-type scaffold is as follows:
First the fender rod 7 of support body 3 side is taken off, the leg lower end of door frame to be measured is inserted successively in the blind hole 341 of sill 32 two ends supporting seat 34, take off the gag lever post 41 on longeron 33, entablature 31 is moved down, until the leg upper end of door frame 10 to be measured is inserted in the blind hole 341 of entablature 31 supporting seat 34 successively, now four legs of door frame 10 to be measured are all fixed in support body 3, are then reinserted by the fender rod 7 taken off in corresponding lug 8, door frame 10 to be measured installation.The rack 5 of mobile dial gauge 6, make rack 5 and door frame 10 to be measured be in suitable position, and the clamping part 61 of dial gauge 6 is clamped on the first cross bar 52 of rack 5, and the leg side of the contact of dial gauge 6 and door frame to be measured 10 touches, preparation detects, as shown in Figure 1.
Open actuator 2, actuator 2 is exerted a force to the leg of door frame 10 to be measured by acting on entablature 31, entablature 31 is stressed to be moved down afterwards along longeron 33.Load grade according to default force and continue to increase the force amount of actuator 2, read the reading on dial gauge 6 simultaneously in time, represent that when the reading on dial gauge 6 sharply changes door frame is about to destroy, close actuator 2 and record the measuring limit value of door frame leg to be measured.
As shown in Figure 3, actuator 2 and entablature 31 are resetted, and grain-clamping table 13 is mounted to bottom entablature 31, make to be clamped in the middle part of the cross tube of door frame to be measured in the V-shape groove 131 of grain-clamping table 13, then actuator 2 is opened, actuator 2 is exerted a force to the cross bar of door frame 10 to be measured by acting on entablature 31, the force amount that grade continues to increase actuator 2 is loaded equally according to default force, read the reading on dial gauge 6 in time simultaneously, represent that when the reading on dial gauge 6 sharply changes door frame is about to destroy, close actuator 2 and record the measuring limit value of door frame 10 cross bar to be measured.Finally, actuator 2 and entablature 31 are resetted, and gag lever post 41 is inserted in spacing hole 42, entablature 31 is shelved on gag lever post 41, take off the fender rod 7 of support body 3 side, remove door frame 10 to be measured.
Claims (5)
1. a door-type scaffold element mechanics device for detecting performance, comprise the support body that one door type reaction frame and is used for fixing door frame to be measured, this reaction shelf of door type forms a shape frame by two heel posts and the main beam be connected across between two heel posts, described support body is vertically placed in this shape frame, described main beam is provided with an actuator being used for exerting a force to described support body, it is characterized in that: described support body comprises two side girders and the entablature that is separately positioned between this two side girders end and sill, two longerons be arranged in parallel before and after described longeron comprises, the gap slided up and down for described entablature is formed between described two longerons, the two ends of described sill are weldingly fixed between the bottom of corresponding longeron respectively, and the two ends of described entablature are clamped between the upper end of two longerons of respective longerons respectively, and carry out spacing respectively by a limit assembly, described limit assembly comprises the spacing hole that is located in described two longeron upper ends successively and to be located in this spacing hole and to be used for supporting the gag lever post of described entablature, described actuator is relative with the end face of described entablature, and described entablature can move up and down relative to described longeron, on described, the relative inner of sill adjacent end is respectively arranged with a supporting seat corresponding with the end of the leg of door frame to be measured, described supporting seat offers chute along its length, be provided with one in this chute and supporting seat be fixed on set bolt on corresponding crossbeam, this supporting seat is set side by side with multiple support level inserted for described leg end portions, described support level is the blind hole being opened in described supporting seat, and the end of the aperture of this blind hole and described leg matches, and dismounting is connected with the grain-clamping table of the cross tube for pressure holding door frame to be measured between two supporting seats of described entablature, described grain-clamping table is connected with described entablature by bolt, and the lower end of this grain-clamping table offers the V-shape groove for cross tube described in pressure holding, also be configured with for measuring the survey instrument of door frame deformation quantity to be measured and being used for placing the rack of this survey instrument simultaneously.
2. door-type scaffold element mechanics device for detecting performance as claimed in claim 1, it is characterized in that: described survey instrument is a dial gauge, described rack comprises one and stands upright on first vertical rod on ground and one end is connected and horizontally disposed first cross bar with this first vertical rod, one end of described dial gauge is provided with a clamping part, and this clamping part is clamped on described first cross bar.
3. door-type scaffold element mechanics device for detecting performance as claimed in claim 2, it is characterized in that: the both sides, front and back of described support body are horizontally disposed with guard assembly, the lug that this guard assembly comprises the band inserting hole being symmetricly set on two side girders respectively and the fender rod be located in successively between left and right two lugs of upper and lower one-tenth one determining deviation of many groups.
4. the door-type scaffold element mechanics device for detecting performance as described in claim as arbitrary in claims 1 to 3, is characterized in that: described longeron outer upper arranges the stiffener of two longerons before and after this longeron of a connection, and this stiffener horizontally outward protrudes.
5. use a detection method for door-type scaffold element mechanics device for detecting performance as claimed in claim 4, it is characterized in that comprising the following steps:
1. the fender rod of support body side is first taken off, the leg lower end of door frame to be measured is inserted in the blind hole of sill two ends supporting seat successively, take off the gag lever post on longeron, entablature is moved down, until the leg upper end of door frame to be measured is inserted in the blind hole of the supporting seat on entablature successively;
2. then by step 1. in the fender rod that takes off reinsert in corresponding lug;
3. then move rack, make rack and door frame to be measured be in suitable position, and the leg side of the contact of survey instrument and door frame to be measured is touched;
4. open actuator, make actuator pass through to act on the leg force that test aircraft body treated by entablature;
5. load grade by default force and continue to increase the force amount of actuator, read the reading on survey instrument simultaneously in time, represent that when the reading on survey instrument sharply changes door frame is about to destroy, close actuator and record the measuring limit value of door frame leg to be measured;
6. actuator and entablature are resetted, and grain-clamping table is mounted to bottom entablature, by grain-clamping table pressure holding in the middle part of the cross tube making door frame to be measured, touch bottom the cross tube of the contact of survey instrument and door frame to be measured simultaneously;
7. open actuator, make actuator pass through to act on the cross bar force that test aircraft body treated by entablature;
8. repeat step 5., record the measuring limit value of door frame cross bar to be measured;
9. last, close actuator, actuator and entablature are resetted, and gag lever post is inserted in spacing hole, make entablature be shelved on gag lever post, take off the fender rod of support body side, remove door frame to be measured.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410080437.0A CN103822795B (en) | 2014-03-06 | 2014-03-06 | Door-type scaffold element mechanics device for detecting performance and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410080437.0A CN103822795B (en) | 2014-03-06 | 2014-03-06 | Door-type scaffold element mechanics device for detecting performance and detection method |
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| CN103822795A CN103822795A (en) | 2014-05-28 |
| CN103822795B true CN103822795B (en) | 2016-02-17 |
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| CN201410080437.0A Expired - Fee Related CN103822795B (en) | 2014-03-06 | 2014-03-06 | Door-type scaffold element mechanics device for detecting performance and detection method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107192659B (en) * | 2017-04-21 | 2019-06-14 | 江苏金牌厨柜有限公司 | A kind of solid wood frame door board detecting method |
| CN107132062A (en) * | 2017-05-31 | 2017-09-05 | 中车青岛四方车辆研究所有限公司 | Test device of weighing and bogie test system |
| CN115326587B (en) * | 2022-10-11 | 2023-01-24 | 山东智模工程技术有限公司 | Testing device for transverse limit stable bearing capacity of scaffold |
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