CN105181305B - Ratchet wheel tensioner detection means and detection method - Google Patents
Ratchet wheel tensioner detection means and detection method Download PDFInfo
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- CN105181305B CN105181305B CN201510323860.3A CN201510323860A CN105181305B CN 105181305 B CN105181305 B CN 105181305B CN 201510323860 A CN201510323860 A CN 201510323860A CN 105181305 B CN105181305 B CN 105181305B
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- wire rope
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Abstract
The invention discloses a kind of actual use situation that can simulate ratchet, the ratchet wheel tensioner detection means and detection method of the rupture pull force of ratchet wheel tensioner are more accurately reflected.The detection means includes horizontal-type stretching testing machine and fixture；The fixture includes interior drawing body and sleeve；The detection method of the ratchet wheel tensioner, including step：The ratchet end of fixture and ratchet wheel tensioner is connected by two steel wire ropes first, the 3rd steel wire penetrating is locked into iron end；Ratchet wheel tensioner is installed on horizontal-type stretching testing machine by fixture and the 3rd steel wire rope；Then between alignment jig and ratchet wheel tensioner two steel wire ropes length；Then machine testing ratchet wheel tensioner maximum operating limit is tested by horizontal-type stretching；Detection is completed, dismounting cleaning.Using said apparatus and method, while guarantee accurately to detect the maximum operating limit of ratchet wheel tensioner more comprehensively, easily operation, it is possible to increase the precision and operability of detection, effectively reduce testing cost.
Description
Technical field
The present invention relates to the quality testing field of ratchet wheel tensioner, especially a kind of ratchet wheel tensioner detection means and detection side
Method.
Background technology
It is known：The binding that ratchet wheel tensioner is widely used in industry-by-industry goods is reinforced, and it is rotated using ratchet wheel tensioner
Irreversibility steel wire rope tensed tie firm goods, it is simple to operate, safe, laborsaving, instead of the bundle of existing iron wire and rope
Tie up.Accordingly, it is determined that the maximum pull of ratchet wheel tensioner failure, to ensureing that the quality and safety that it is used is significant.
The detection method of existing ratchet wheel tensioner maximum rupture pull force, such as：Chinese invention patent application, patent publication No.
Disclosed in the A of CN 103698069《A kind of method for detecting tensile force of ratchet fastener》；The application for a patent for invention discloses a kind of inspection
The method for surveying tensile force of ratchet fastener.Methods described includes：Wind the ratchet of ratchet wheel tensioner respectively with first and second flexible cord
Axle and lock iron, the both ends of first and second flexible cord are locked respectively to form first and second flexible filaments fake；In the first direction to
One flexible filaments fake applies the pulling force that gradually increases, while fixes the second flexible filaments fake or opposite direction pair in the first direction
Second flexible filaments fake applies the pulling force that size is equal to pulling force size suffered by the first flexible filaments fake；Detect and record ratchet fastening
The maximal destruction pulling force or maximum functional pulling force of device.Beneficial effects of the present invention include：It can more really reflect that ratchet is tight
Gu the maximum operating limit of device, is more beneficial for the optimization design of ratchet wheel tensioner, and the determination of technological parameter, and detect into
This is low.
But a kind of above-mentioned method for detecting tensile force of ratchet fastener is when detecting the maximal destruction pulling force of ratchet wheel tensioner
Ratchet wheel tensioner is not considered in use state, situation of the ratchet by breakage；Simultaneously ratchet wheel tensioner in upper detection most
The stress under ratchet wheel tensioner practical application situation is not simulated in the method for havoc pulling force.
For ratchet wheel tensioner during practical application, the rope being connected on ratchet shaft can produce a torsion to ratchet shaft
Square causes ratchet shaft to rotate, so as to drive pawl wheel.But《A kind of method for detecting tensile force of ratchet fastener》To ratchet
In the detection process of fastener maximal destruction pulling force, although the tightrope connected mode of lock iron one end is identical with actual working state,
But ratchet one end tightrope is wound on ratchet shaft, a moment of torsion can not be produced to ratchet shaft and cause pawl wheel, therefore can not
Detect the maximal destruction pulling force of ratchet.The above method is without the practical working situation for simulating ratchet wheel tensioner completely；Therefore examine
The maximal destruction pulling force measured is the maximal destruction pulling force of ratchet shaft or the maximal destruction pulling force for locking iron.Detect obtained result
The maximum operating limit of ratchet wheel tensioner can not really be reacted.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of actual use situation that can simulate ratchet, more accurately
Reflect the ratchet wheel tensioner detection means of the rupture pull force of ratchet wheel tensioner.
The ratchet wheel tensioner detection means, including horizontal-type stretching testing machine, the horizontal-type stretching testing machine have frame,
Determine crossbeam, dynamic crossbeam；Described one end determined crossbeam and be arranged on frame, dynamic crossbeam is arranged on the other end of frame, and passes through guide pillar
It is connected with housing slide；Described frame one end is provided with oil cylinder, and described oil cylinder one end is fixedly connected with frame, the other end and dynamic horizontal stroke
Beam connects；Load sensor is provided with the dynamic crossbeam；It is described to determine to be provided with attachment means on crossbeam；
Ratchet wheel tensioner detection means, in addition to fixture；The fixture includes sleeve, interior drawing body, spring；The sleeve tool
There is inner chamber, described sleeve one end is openend, and the other end is sealed end, and described interior drawing body one end is connection end, and the other end is to hold
End is carried, flange is provided with the bearing end, the interior connection end for drawing body enters sleeve by the openend of sleeve, and passes through close
Closed end, the spring housing is on interior drawing body, and the spring is between flange and the sealed end of cylinder；The opening of the sleeve
End is provided with the first attachment structure, and the second attachment structure is provided with the bearing end of the interior drawing body；The interior connection for drawing body
End is connected with dynamic crossbeam or is connected with determining crossbeam.
Further, the flange on the bearing end matches with the inner chamber of sleeve, and the inner chamber of the flange and sleeve coordinates.
Further, the fixture also includes the first bearing pin；Pin-and-hole is provided with the outer surface of the openend of the sleeve,
First bearing pin passes through pin-and-hole, and the first attachment structure is formed through sleeve.
Further, the fixture also includes the second bearing pin；It is described it is interior draw body bearing end end face be provided with two pieces it is parallel
Connecting plate, there is gap between two pieces of connecting plates；Second bearing pin passes perpendicularly through two pieces of connecting plates and forms the second company
Binding structure.
Preferably, the attachment means include connecting rod；Connecting hole is set on described connecting rod one end, and the other end is with determining horizontal stroke
Beam connects.
Above-mentioned ratchet wheel tensioner detection means, due to being provided with the fixture for being connected with detected ratchet wheel tensioner,
The fixture includes interior drawing body and sleeve, therefore when fixture is connected with ratchet wheel tensioner, can by rope and sleeve connection,
It can be connected by rope with interior drawing body, and the rope of sleeve connection, the slow of fixture inner spring can be obtained under tension
Punching, has certain buffer distance；With the interior rope that connects of drawing body, under tension between pulling force is delivered to it is detected
On ratchet wheel tensioner.Therefore when being detected by above-mentioned check device to ratchet wheel tensioner, by the ratchet of ratchet wheel tensioner
End is connected by fixture with testing machine, and the wirerope-winding by will be connected with chuck sleeve catches ratchet shaft on ratchet shaft,
By the way that the one end for the rope being connected with interior drawing body is fastened extremely on ratchet shaft；Cause that ratchet is tight during detection so as to realize
Gu the ratchet mechanism on device can also receive the effect of pulling force.All parts on ratchet wheel tensioner can comprehensively be detected；So as to examine
Measure the weak spot on ratchet wheel tensioner；Detect the maximum operating limit of ratchet wheel tensioner.Therefore fastened using above-mentioned ratchet
Device detection means, the maximum operating limit of ratchet wheel tensioner more comprehensively, can be accurately detected, while by one-time detection both
It can complete, detecting step can be simplified；Lower testing cost.
Present invention also offers a kind of using maximal destruction drawing of the above-mentioned ratchet wheel tensioner detection means to ratchet wheel tensioner
The method that power is detected, comprises the following steps：
1) ratchet wheel tensioner has ratchet, lock iron, ratchet and non-return divider；Non-return divider control ratchet with
Ratchet engages；
Using the ratchet shaft of the first wirerope-winding ratchet wheel tensioner of flexibility, then by the first steel wire rope and the set of fixture
The first attachment structure connection on cylinder；
Using the second steel wire rope of flexibility, by one end of the second steel wire rope through the axis hole on ratchet shaft, and bolt extremely exists
On ratchet shaft；After opposite direction of the other end of second steel wire rope along ratchet normal rotation direction is at least wound into ratchet shaft half-turn,
It is connected by the second attachment structure on the interior drawing body of fixture with interior drawing body；
Using the 3rd steel wire rope of flexibility, by the lock iron on the 3rd steel wire penetrating ratchet wheel tensioner；
Then the connection end of the interior drawing body of fixture is connected on the dynamic crossbeam of horizontal-type stretching testing machine, by the 3rd steel wire rope
It is connected with the crossbeam of determining of horizontal-type stretching testing machine；Or the connection end of the interior drawing body of fixture is connected to horizontal-type stretching testing machine
Determine on crossbeam, the 3rd steel wire rope is connected with the dynamic crossbeam of horizontal-type stretching testing machine；
2) control ratchet ratchet can only one-directional rotation by non-return divider；Start horizontal-type stretching testing machine and cause first
In steel wire rope and the second steel wire rope any one it is exceptionally straight when, braking horizontal cupping machine, the regulation length of another so that the
One steel wire rope and the second steel wire rope are in exceptionally straight state；
3) horizontal-type stretching testing machine is started so that dynamic crossbeam is continuously applied pulling force to the first steel wire rope and the second steel wire rope；
If A, ratchet turns round, crossbeam is now moved by the load sensor detection on horizontal-type stretching testing machine and applied
Pulling force F1, and recorded；
Then keep the dynamic crossbeam of horizontal-type stretching testing machine persistently straight to the first steel wire rope and the second steel wire rope application pulling force
When being destroyed to ratchet shaft, lock iron or the first steel wire rope and the second steel wire rope, pass through the load on horizontal-type stretching testing machine
The pulling force F2 that crossbeam applies now is moved in sensor detection, and is recorded；
The F1 is the ratcheting failure maximum functional pulling force of ratchet wheel tensioner；The F2 is the entirely ineffective of ratchet wheel tensioner
Maximum functional pulling force；
If B, ratchet shaft or lock iron are damaged, by the load sensor detection on horizontal-type stretching testing machine now
The pulling force F3 that dynamic crossbeam applies, and recorded；The pulling force F3 is the maximum functional pulling force of ratchet wheel tensioner；
4) after the completion of detecting, braking horizontal cupping machine, ratchet wheel tensioner is unloaded from horizontal-type stretching testing machine.
The detection method of above-mentioned ratchet wheel tensioner, the maximum by using ratchet wheel tensioner detection means to ratchet wheel tensioner
Operating limit is detected；Due to during detection, being connected, can realized tight to ratchet with ratchet wheel tensioner by fixture
Gu the force of ratchet on device, can be detected to ratchet structure；Avoid not examining in the method for detection tensile force of ratchet fastener
Consider the defects of ratchet is damaged.If catch ratchet shaft by other one on fixture after ratchet structure damage simultaneously
Steel wire rope can continue to apply pulling force to ratchet wheel tensioner, while by the spring buffer in fixture, avoid in ratchet structure
The moment of damage forms the greater impact power to detection means；Further the maximum functional pulling force of ratchet shaft or lock iron is carried out
Detection.Therefore the detection method of above-mentioned ratchet wheel tensioner, can simulate the actual working state of ratchet wheel tensioner, guarantee
More comprehensively, while accurately detecting the maximum operating limit of ratchet wheel tensioner, step is simple, easily operation, it is possible to increase
The precision of experiment and the operability of experiment, effectively reduce testing cost.
Brief description of the drawings
Fig. 1 is structural representation when ratchet wheel tensioner detects in ratchet wheel tensioner detection means in the embodiment of the present invention
Figure；
Fig. 2 is the stereogram of fixture in the embodiment of the present invention；
Fig. 3 is the exploded perspective view of fixture in the embodiment of the present invention；
Fig. 4 is the top view of fixture in the embodiment of the present invention；
Fig. 5 is the A-A sectional views in Fig. 4；
Fig. 6 is the B-B sectional views in Fig. 4；
Fig. 7 is the ratchet end connection diagram of fixture and ratchet wheel tensioner in the embodiment of the present invention；
Fig. 8 is steel wire rope connection diagram on ratchet wheel tensioner in the embodiment of the present invention；
Steel wire rope turns round schematic diagram when Fig. 9 is the ratcheting failure of ratchet wheel tensioner in the embodiment of the present invention；
Indicated in figure：1- horizontal-type stretching testing machines, 11- frames, 12- determine crossbeam, 121- attachment means, and 13- moves crossbeam,
14- oil cylinders, 15- load sensors, 16- guide pillars, 2- fixtures, 21- sleeves, the interior drawing bodies of 22-, 221- connection ends, 222- bearing ends,
223- flanges, 23- springs, the bearing pins of 24- second, the bearing pins of 25- first, 3- ratchet wheel tensioners, 31- lock iron, 32- ratchets, 33- ratchets
Axle, 331- axis holes, 34- ratchets, 35- non-return baffle plates, the steel wire ropes of 41- first, the steel wire ropes of 42- second, the steel wire ropes of 43- the 3rd.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in Figures 1 to 8, ratchet wheel tensioner detection means, including the examination of horizontal-type stretching testing machine 1, the horizontal-type stretching
Testing machine 1 has frame 11, determines crossbeam 12, dynamic crossbeam 13；Described one end determined crossbeam 12 and be arranged on frame 11, dynamic crossbeam 13 are set
It is slidably connected in the other end of frame 11, and by guide pillar 16 and frame 11；Described one end of frame 11 is provided with oil cylinder 14, described
The one end of oil cylinder 14 is fixedly connected with frame, and the other end is connected with dynamic crossbeam 13；Load sensor is provided with the dynamic crossbeam 13
15；It is described to determine to be provided with attachment means 121 on crossbeam 12；
Ratchet wheel tensioner detection means, in addition to fixture 2；The fixture 2 includes sleeve 21, interior drawing body 22, spring 23；Institute
Stating sleeve 21 has inner chamber, and described one end of sleeve 21 is openend, and the other end is sealed end, and described interior drawing body 22 one end is connection
End 221, the other end is bearing end 222, and flange 223, the interior connection end 221 for drawing body 22 are provided with the bearing end 222
Sleeve 21 is entered by the openend of sleeve 21, and passes through sealed end, the spring 23 is sleeved on interior drawing body 22, the spring 23
Between the sealed end of flange 223 and sleeve 21；The openend of the sleeve 21 is provided with the first attachment structure, the interior drawing
The second attachment structure is provided with the bearing end 222 of body 22；It is described it is interior draw body 22 connection end 221 be connected with dynamic crossbeam 13 or
It is connected with determining crossbeam 12.
Known horizontal-type stretching testing machine 1, when carrying out maximum pull test to test block, then oil cylinder 14 provides pulling force
Pulling force is applied to test block by dynamic crossbeam 13.Being arranged in horizontal-type stretching testing machine by level of test block 1 simultaneously, therefore energy
Enough reduce the influence that test block self gravitation destroys pull force calculation to test block.
The fixture 2 includes sleeve 21, interior drawing body 22, spring 23；The sleeve 21 has inner chamber, described one end of sleeve 21
For openend, the other end is sealed end, and described interior drawing body 22 one end is connection end 221, and the other end is bearing end 222, described to hold
Carrying and flange 223 is provided with end 222, the interior connection end 221 for drawing body 22 enters through sealed end by the openend of sleeve 21,
The spring 23 is sleeved on interior drawing body 22, and the spring 23 is located between flange 223 and the sealed end of sleeve 21；The sleeve
21 openend is provided with the first attachment structure, and the second attachment structure is provided with the bearing end 222 of the interior drawing body 22；It is described
The interior connection end 221 for drawing body 22 is connected with dynamic crossbeam 13 or is connected with determining crossbeam 12.
Because the fixture 2 includes sleeve 21, the interior openend for drawing body 22, the sleeve 21 is provided with the first connection knot
Structure, it is described it is interior draw body 22 bearing end 222 on be provided with the second attachment structure；Therefore the sleeve 21 and Nei La bodies of the fixture 2
The attachment structure with test block is provided with 22；It can realize and connect with test block.
Simultaneously because being provided with flange 223 on the bearing end 222, the interior connection end 221 for drawing body 22 is by sleeve 21
Openend enter sleeve 21, and pass through sealed end, the spring 23 is sleeved on interior drawing body 22, and the spring 23 is located at flange
Between 223 and the sealed end of sleeve 21；The interior connection end 221 for drawing body 22 is connected with dynamic crossbeam 13 or connected with determining crossbeam 12
Connect.Therefore when test block is connected with sleeve 21, when testing machine applies pulling force by fixture 2 to test block, sleeve 21 squeezes first
Pressing spring 23, after spring 23 is extruded to greatest extent, sleeve 21 is moved together with interior drawing body 1, and all pulling force are applied
Onto test block.Test block is connected with sleeve 21 can enter row buffering.When test block is connected with interior drawing body 22, in testing machine
During by fixture 2 to test block application pulling force, pulling force is directly delivered on test block by fixture by interior drawing body 22, it is impossible to is realized
Buffering.
In summary according to different tie points at two on fixture 2, connect caused by effect it is different, it is possible to achieve one
The maximum functional pulling force of two diverse locations on secondary property detection test specimen, or destroy pulling force.Can be by by test block
Destroy the less position of pulling force in theory to be connected with the interior drawing body 22 of fixture 2, by destroying in theory on test block, pulling force is larger
Position is connected with the sleeve 21 of fixture 2, and the destruction pulling force at two positions of test block is tested using above-mentioned connected mode,
After the less position of destruction pulling force is destroyed, the interior drawing body 22 of fixture 2 then accurately can not apply pulling force to test specimen again,
The spring between interior drawing body 22 and sleeve 21 is now extruded by interior drawing body 22, the buffering of one end time is carried out, can now remember
First test specimen of record destroys pulling force.When the spring between interior drawing body 22 and sleeve 21 is extruded to extreme position, interior drawing
All pulling force are applied on sleeve 21 by body 22, and pulling force is delivered to second tested position of test specimen by sleeve 21, so
Continue afterwards to second test position carry out destroy pulling force test.
During being detected using above-mentioned ratchet wheel tensioner detection means to ratchet wheel tensioner：
The ratchet end of ratchet wheel tensioner 3 is connected with fixture 2 first；Folder is connected to around ratchet shaft 33 by a steel wire
On the sleeve 21 of tool 2, then by another steel cable, one end bolt of steel wire rope extremely on ratchet shaft 33 and is wound several
Circle, the other end are connected with the interior drawing body 22 of fixture 2；The connection end of the interior drawing body 22 of fixture 2 is connected to horizontal-type stretching testing machine 1
Dynamic crossbeam 13 on.Then the lock iron end of ratchet wheel tensioner 3 is connected by the crossbeam 12 of determining of steel wire rope and horizontal-type stretching testing machine 1
Connect.
Engaged by the ratchet 34 of non-return baffle plate 35 on ratchet wheel tensioner 3 with ratchet 32；Start horizontal-type stretching experiment
Machine 1 causes dynamic crossbeam 13 by any one steel wire rope stretches between ratchet end and fixture 2 on ratchet wheel tensioner 3, to stop horizontal drawing
Testing machine 1 is stretched, while adjusts the length of an other steel wire rope so that two steel wire ropes are exceptionally straight state.Then open again
Dynamic horizontal-type stretching testing machine 1, move crossbeam 13 and continue the application pulling force of fixture 2, because the interior drawing body 22 of fixture 2 and dynamic crossbeam 13 are direct
Connection, therefore be stressed directly with the steel wire rope that interior drawing body 22 is connected；And the pulling force being subject to the steel wire rope that sleeve 21 is connected can be with
Ignore.Now pulling force is applied on ratchet shaft 33 by interior drawing body 22, can produce a moment of torsion to ratchet shaft 33, so that
There is the trend of a rotation in ratchet 32, ratchet 32 can be detected ratchet 32 and ratchet by an active force turned round
Destruction pulling force between 34.
If the ratchet structure of ratchet 32 and ratchet 34 is damaged, steel wire rope revolution of the bolt extremely on ratchet shaft 33, this
When the pulling force that measures failed pulling force for ratchet structure.The steel wire rope no longer stress being connected simultaneously with interior drawing body 22, interior drawing body 22 will
Pulling force is delivered to by sleeve 21 by the buffering of spring 23 so that the steel wire rope stress being connected on sleeve 21, be connected to sleeve
Steel wire rope on 21 directly applies pulling force to ratchet shaft 33, after spring 23 is compressed completely, on the steel wire rope on sleeve 21
Pulling force size be equal to horizontal-type stretching testing machine 1 apply pulling force size, so as to continue to examine by horizontal-type stretching testing machine 1
Survey ratchet shaft 33 or lock the destruction pulling force of iron 31.
If when the ratchet structure of ratchet 32 and ratchet 34 is not affected by damage, and ratchet shaft 33 or locks iron 31 and be first subjected to
Damage, the pulling force now measured are the maximum functional pulling force of ratchet wheel tensioner 3.
Therefore by above-mentioned ratchet wheel tensioner detection means, the actual working state of ratchet wheel tensioner 3 can be simulated, can
More comprehensively detect the stress of all parts on ratchet wheel tensioner 3；It is more accurate so as to detect to obtain maximum functional pulling force.
In summary, above-mentioned ratchet wheel tensioner detection means, due to being provided with for connecting with detected ratchet wheel tensioner 3
The fixture 2 connect, the fixture 2 include interior drawing body 22 and sleeve 21, therefore when fixture 2 is connected with ratchet wheel tensioner 3, can pass through
Rope is connected with sleeve 21, can also be connected by rope with interior drawing body 22, and the rope that sleeve 21 connects, under tension
The buffering of the inner spring 23 of fixture 2 can be obtained, there is certain buffer distance；The rope connected with interior drawing body 22, is being drawn
Pulling force is delivered on detected ratchet wheel tensioner during power.Therefore ratchet wheel tensioner 3 is being carried out by above-mentioned check device
During detection, the ratchet end of ratchet wheel tensioner 3 is connected by fixture with testing machine, passes through be connected the sleeve 21 with fixture 2
Wirerope-winding catches ratchet shaft 33 on ratchet shaft 33, by the way that the one end for the rope being connected with interior drawing body 22 is fastened extremely in spine
On wheel shaft 33；So as to realize during detection so that the ratchet mechanism on ratchet wheel tensioner 3 can also receive the effect of pulling force.
All parts on ratchet wheel tensioner 3 can comprehensively be detected；So as to detect the weak spot on ratchet wheel tensioner；Detect ratchet
The maximum operating limit of fastener.Therefore above-mentioned ratchet wheel tensioner detection means is used, can accurately detect spine more comprehensively
The maximum operating limit of fastener is taken turns, while can be completed by one-time detection, detecting step can be simplified；Lower detection into
This.
Further, the flange 223 on the bearing end 222 matches with the inner chamber of sleeve 21, the flange 223 and sleeve
21 inner chamber coordinates.So as to avoid fixture 2, using after the long period, interior drawing body 22 is swung relative to sleeve 21.
The main function of first attachment structure is to be connected test block with sleeve 21.First attachment structure can be with
Realized using various ways, for example small-sized hanger is welded in the outer surface of sleeve 21；It is connected for the ease of steel wire rope with sleeve 21,
It is easy to remove simultaneously；Preferably, the fixture 2 also includes the first bearing pin 25；Set on the outer surface of the openend of the sleeve 21
Pin-and-hole is equipped with, first bearing pin 25 passes through pin-and-hole, and the first attachment structure is formed through sleeve 21.
When steel wire rope is connected with sleeve 21, it is only necessary to a steel wire rope loop is bundled in steel wire rope, then by steel wire rope
Circle is put into the inner chamber of sleeve 21, while causes the first bearing pin 25 to pass through steel wire rope loop.Only needed when needing to disconnect with steel wire rope
First bearing pin 25 is extracted out.Therefore simplicity is mounted and dismounted, is easy to quick realization connection.
The main function of second attachment structure is to be connected test block with interior drawing body 22.Second attachment structure can
To be realized using various ways, for example draw the bearing end 222 of body 22 that suspension hook is set inside, for the ease of steel wire rope and bearing end
222 connections, while be easy to remove；Preferably, the fixture also includes the second bearing pin 24；The interior bearing end 222 for drawing body 22
End face is provided with two pieces of parallel connecting plates, has gap between two pieces of connecting plates；Second bearing pin 24 passes perpendicularly through
Two pieces of connecting plates form the second attachment structure.When needing steel wire rope being connected on bearing end 222, it is only necessary in rope coil
A steel wire rope loop is tied up, then steel wire rope loop is put into the gap between two pieces of connecting plates, while the second bearing pin 24 is worn
Cross steel wire rope loop.The first bearing pin 25 need to only be extracted out when needing to disconnect with steel wire rope.Therefore simplicity is mounted and dismounted,
It is easy to quick realize to connect.
The main function of attachment means 121 is to realize that test block is connected with determining crossbeam, and the attachment means 121 can adopt
Realized with various ways, for example the attachment means 121 use suspender；In order to simplify structure, it is easily installed, it is preferred that described
Attachment means 121 include connecting rod；Connecting hole is set on described connecting rod one end, and the other end is connected with determining crossbeam 12.
Present invention also offers a kind of side detected using above-mentioned ratchet wheel tensioner detection means to ratchet wheel tensioner
Method, following steps：
1) ratchet wheel tensioner 3 has ratchet 32, lock iron 31, ratchet 34 and non-return divider 35；The non-return divider
35 control ratchets 34 engage with ratchet 32；
Using the ratchet shaft 33 of the first steel wire rope 41 winding ratchet wheel tensioner 3 of flexibility, then by the first steel wire rope 41 with
The first attachment structure connection on the sleeve 21 of fixture 2；
Using the second steel wire rope 42 of flexibility, one end of the second steel wire rope 42 is passed through into the axis hole on ratchet shaft 33, and
Bolt is extremely on ratchet shaft 33；Opposite direction of the other end of second steel wire rope 42 along the normal rotation direction of ratchet 32 is at least wound into spine
After the half-turn of wheel shaft 33, it is connected by the second attachment structure on the interior drawing body 22 of fixture 2 with interior drawing body 22；
Using the 3rd steel wire rope 43 of flexibility, the 3rd steel wire rope 43 is passed through into the lock iron 31 on ratchet wheel tensioner 3；
Then the connection end 221 of the interior drawing body 22 of fixture 2 is connected on the dynamic crossbeam 13 of horizontal-type stretching testing machine 1, will
3rd steel wire rope 43 is connected with the crossbeam 12 of determining of horizontal-type stretching testing machine 1；Or the connection end 221 by the interior drawing body 22 of fixture 2
Determining on crossbeam 12 for horizontal-type stretching testing machine 1 is connected to, the dynamic crossbeam 13 of the 3rd steel wire rope 43 and horizontal-type stretching testing machine 1 is connected
Connect；
2) control the ratchet 32 of ratchet 34 can only one-directional rotation by non-return divider 35；Start horizontal-type stretching testing machine 1
So that in the first steel wire rope 41 and the second steel wire rope 42 any one it is exceptionally straight when, braking horizontal cupping machine 1, adjust another
Length so that the first steel wire rope 41 and the second steel wire rope 42 are in exceptionally straight state；
3) horizontal-type stretching testing machine 1 is started so that dynamic crossbeam 13 is persistently applied to the first steel wire rope 41 and the second steel wire rope 42
Add pulling force；
If A, ratchet 32 turns round, by load sensor 15 on horizontal-type stretching testing machine 1 detect ratchet 32 with
Destruction pulling force F1 between ratchet 34, and recorded；
Then the dynamic crossbeam 13 of horizontal-type stretching testing machine 1 is kept persistently to apply to the first steel wire rope 41 and the second steel wire rope 42
Pulling force passes through horizontal-type stretching when ratchet shaft 33, the lock steel wire rope 41 of iron 31 or first and the second steel wire rope 42 are destroyed
Load sensor 15 on testing machine 1, which detects, now moves the pulling force F2 that crossbeam 13 applies, and is recorded；
The F1 is the ratcheting failure maximum functional pulling force of ratchet wheel tensioner 3；The F2 is the complete mistake of ratchet wheel tensioner 3
Imitate maximum functional pulling force；
If B, ratchet shaft 33 or lock iron 31 are damaged, pass through the load sensor 15 on horizontal-type stretching testing machine 1
The pulling force F3 that crossbeam 13 applies now is moved in detection, and is recorded；The pulling force F3 is that the maximum functional of ratchet wheel tensioner 3 is drawn
Power.
4) after the completion of detecting, braking horizontal cupping machine 1, ratchet wheel tensioner 3 is unloaded from horizontal-type stretching testing machine 1
Under.
As shown in FIG. 7 and 8, in step 1) by the first steel wire rope 41 and the second steel wire rope 42 by ratchet wheel tensioner 3
Ratchet end is connected with fixture 2.
Wherein：The ratchet shaft 33 of ratchet wheel tensioner 3 is wound by the first steel wire rope 41, then by the first steel wire rope 41 and folder
The first attachment structure connection on the sleeve 21 of tool 2；
By one end of the second steel wire rope 42 through the axis hole 331 on ratchet shaft 33, and bolt is extremely on ratchet shaft 33；Will
After opposite direction of the other end of second steel wire rope 42 along the normal rotation direction of ratchet 32 at least winds the half-turn of ratchet shaft 33, pass through folder
The second attachment structure on the interior drawing body 22 of tool 2 is connected with interior drawing body 22.The normal rotation direction of the ratchet 32 is ratchet 32
After being engaged with ratchet 34, the direction of rotation.
Pulling force that the interior drawing body 22 of fixture 2 applies to ratchet wheel tensioner 3 allow so that ratchet shaft 33 rotates, fixture 2
The pulling force that applies to ratchet wheel tensioner 3 of sleeve 21 ratchet shaft 33 can only be caused to produce moment of flexure.
Lock iron 31 is connected by the 3rd steel wire rope 43 in step 1) simultaneously.Therefore the second steel wire rope 42 and the 3rd steel are passed through
Cord 43 applies pulling force to ratchet wheel tensioner 3, can simulate the actual working state of ratchet wheel tensioner 3.
As shown in fig. 7, control the ratchet 32 of ratchet 34 can only one-directional rotation by non-return divider 35 in step 2)；Open
Dynamic horizontal-type stretching testing machine 1 cause in the first steel wire rope 41 and the second steel wire rope 42 any one it is exceptionally straight when, braking horizontal stretching
Testing machine 1, the length of another of regulation so that the first steel wire rope 41 and the second steel wire rope 42 are in exceptionally straight state；
The main length for realizing the first steel wire rope 41 of regulation and the second steel wire rope 42, it can ensure that horizontal-type stretching is tested
Machine 1 applies pulling force when testing ratchet wheel tensioner 3, to ratchet wheel tensioner 3, and pulling force is delivered to by the interior drawing body of fixture first
Ratchet wheel tensioner 3.Because the first steel wire rope 41 and the second steel wire rope 42 are in straight condition；Therefore when horizontal-type stretching tries
When testing the increase pulling force of machine 1, because the first steel wire rope 41 is connected on sleeve 21, therefore it can be made by the buffering of the inner spring of fixture 2
With so that pulling force is mainly delivered to ratchet shaft 33 by the second steel wire rope 42 being connected with interior drawing body 22.
Start horizontal-type stretching experimental machine 1 in step 3) so that dynamic crossbeam 13 is to the first steel wire rope 41 and the second steel wire rope
42 are continuously applied pulling force；
As shown in figure 9, if ratchet 32 turns round, detected by the load sensor 15 on horizontal-type stretching testing machine 1
The pulling force F1 that crossbeam 13 applies now is moved, and is recorded；Now therefore the second steel wire rope 42 is relaxed because ratchet 32 turns round,
The pulling force that horizontal-type stretching testing machine 1 applies transmits sleeve 21 by the buffering of interior drawing body 22 and spring 23, passes through
Sleeve 21 is acted on the first steel wire rope 41；So that the detection of ratchet wheel tensioner 3 can continue to carry out.Due to interior drawing body 22
Spring 23 is provided between sleeve 21, therefore ratchet mechanism can be buffered and damaged, it is the moment that ratchet 32 turns round, caused
Greater impact power.
Then the dynamic crossbeam 13 of horizontal-type stretching testing machine 1 is kept persistently to apply to the first steel wire rope 41 and the second steel wire rope 42
Pulling force passes through horizontal-type stretching when ratchet shaft 33, the lock steel wire rope 41 of iron 31 or first and the second steel wire rope 42 are destroyed
Load sensor 15 on testing machine 1, which detects, now moves the pulling force F2 that crossbeam 13 applies, and is recorded；
The F1 is the ratcheting failure maximum functional pulling force of ratchet wheel tensioner 3；The F2 is the complete mistake of ratchet wheel tensioner 3
Imitate maximum functional pulling force.
If ratchet shaft 33 or lock iron 31 are damaged, examined by the load sensor 15 on horizontal-type stretching testing machine 1
Survey and now move the pulling force F3 that crossbeam 13 applies, and recorded；The pulling force F3 is the maximum functional pulling force of ratchet wheel tensioner 3.
The lock iron 31, which is damaged, refers to that the slidiing pin of lock iron 31 is pulled off, and lock iron 31 is drawn out out of ratchet wheel tensioner 3.It is described
Ratchet shaft 33, which is damaged, to be referred to the flexural deformation of ratchet shaft 33 or is pulled off.
The maximum operating limit of ratchet wheel tensioner 3 is detected by starting the offer pulling force of horizontal-type stretching testing machine 1.It is logical
Cross above-mentioned steps 3) operation can ratchet structure first be destroyed continue afterwards detect ratchet shaft 33 or lock iron 31 destruction drawing
Power.By above-mentioned steps 3) actual forced status in the simulation course of work of ratchet wheel tensioner 3, and ratchet structure is firstly broken
Stress afterwards, so as to more comprehensive；The maximum functional pulling force of ratchet wheel tensioner 3 is more accurately detected, even if
Use the limit.
The ratchet wheel tensioner 3 damaged after detection is removed in step 4), reclaimed.
In summary, the detection method of above-mentioned ratchet wheel tensioner, it is tight to ratchet by using ratchet wheel tensioner detection means
Gu the maximum operating limit of device 3 is detected；Due to during detection, being connected by fixture 2 with ratchet wheel tensioner 3, energy
Enough forces realized to ratchet 32 on ratchet wheel tensioner 3, can be detected to ratchet structure；Avoid detecting ratchet wheel tensioner drawing
The defects of ratchet 32 is damaged is not accounted in the method for power.If simultaneously after ratchet structure damage, by fixture
The first steel wire rope 41 for catching ratchet shaft 32 can continue to apply pulling force to ratchet wheel tensioner 3, while pass through the spring in fixture 2
23 bufferings, avoid forming the greater impact power to detection means in the moment of ratchet structure damage；Further to ratchet shaft 33
Or the maximum functional pulling force of lock iron 31 is detected.Therefore above-mentioned ratchet wheel tensioner detection method, guarantee it is more complete
Face, accurately detect ratchet wheel tensioner operating limit while, step is simple, easily operation, it is possible to increase the precision of experiment and
The operability of experiment, effectively reduces testing cost.
Claims (6)
1. ratchet wheel tensioner detection means, including horizontal-type stretching testing machine (1)；The horizontal-type stretching testing machine (1) has frame
(11) crossbeam (12), dynamic crossbeam (13), are determined；Described one end determined crossbeam (12) and be arranged on frame (11), move crossbeam (13) and set
The other end in frame (11), and be slidably connected by guide pillar (16) and frame (11)；Described frame (11) one end is provided with oil
Cylinder (14), described oil cylinder (14) one end are fixedly connected with frame, and the other end is connected with dynamic crossbeam (13)；On the dynamic crossbeam (13)
It is provided with load sensor (15)；It is described to determine to be provided with attachment means (121) on crossbeam (12)；
It is characterized in that：Also include fixture (2)；The fixture (2) includes sleeve (21), interior drawing body (22), spring (23)；It is described
Sleeve (21) has inner chamber, and described sleeve (21) one end is openend, and the other end is sealed end, and described interior drawing body (22) one end is
Connection end (221), the other end are bearing end (222), and flange (223), the interior drawing body are provided with the bearing end (222)
(22) connection end (221) enters sleeve (21) by the openend of sleeve (21), and passes through sealed end, spring (23) suit
Draw inside on body (22), the spring (23) is located between the sealed end of flange (223) and sleeve (21)；The sleeve (21)
Openend is provided with the first attachment structure, and the second attachment structure is provided with the bearing end (222) of the interior drawing body (22)；
The interior connection end (221) for drawing body (22) is connected with dynamic crossbeam (13) or is connected with determining crossbeam (12).
2. ratchet wheel tensioner detection means as claimed in claim 1, it is characterised in that：Flange on the bearing end (222)
(223) inner chamber with sleeve (21) matches, and the flange (223) and the inner chamber of sleeve (21) coordinate.
3. ratchet wheel tensioner detection means as claimed in claim 1, it is characterised in that：The fixture (2) also includes the first pin
Axle (25)；Pin-and-hole is provided with the outer surface of the openend of the sleeve (21), first bearing pin (25) passes through pin-and-hole, run through
Sleeve (21) forms the first attachment structure.
4. ratchet wheel tensioner detection means as claimed in claim 3, it is characterised in that：The fixture (2) also includes the second pin
Axle (24)；Described interior bearing end (222) end face for drawing body (22) is provided with two pieces of parallel connecting plates, two pieces of connecting plates it
Between there is gap；Second bearing pin (24) passes perpendicularly through two pieces of connecting plates and forms the second attachment structure.
5. ratchet wheel tensioner detection means as claimed in claim 4, it is characterised in that：The attachment means (121) include connecting
Extension bar；Connecting hole is set on described connecting rod one end, and the other end is connected with determining crossbeam (12).
6. being detected using the ratchet wheel tensioner detection means as described in claim 1,2,3,4 or 5 to ratchet wheel tensioner
Method, it is characterised in that comprise the following steps：
1) ratchet wheel tensioner (3) has ratchet (32), lock iron (31), ratchet (34) and non-return divider (35)；It is described to stop
Divider (35) control ratchet (34) is returned to engage with ratchet (32)；
Using the ratchet shaft (33) of the first steel wire rope (41) winding ratchet wheel tensioner (3) of flexibility, then by the first steel wire rope
(41) it is connected with the first attachment structure on the sleeve (21) of fixture (2)；
Using the second steel wire rope (42) of flexibility, one end of the second steel wire rope (42) is passed through into the axis hole on ratchet shaft (33)
(331), and bolt is extremely on ratchet shaft (33)；By the other end of the second steel wire rope (42) along ratchet (32) normal rotation direction
After opposite direction at least winds ratchet shaft (33) half-turn, pass through the second attachment structure on the interior drawing body (22) of fixture (2) and interior drawing
Body (22) connects；
Using the 3rd steel wire rope (43) of flexibility, the 3rd steel wire rope (43) is passed through into the lock iron (31) on ratchet wheel tensioner (3)；
The connection end (221) of the interior drawing body (22) of fixture (2) is then connected to the dynamic crossbeam (13) of horizontal-type stretching testing machine (1)
On, the 3rd steel wire rope (43) is connected with the crossbeam (12) of determining of horizontal-type stretching testing machine (1)；Or the interior drawing body by fixture (2)
(22) connection end (221) is connected to the determining on crossbeam (12) of horizontal-type stretching testing machine (1), by the 3rd steel wire rope (43) with it is horizontal
Dynamic crossbeam (13) connection of cupping machine (1)；
2) control ratchet (34) ratchet (32) can only one-directional rotation by non-return divider (35)；Start horizontal-type stretching testing machine
(1) cause in the first steel wire rope (41) and the second steel wire rope (42) any one it is exceptionally straight when, braking horizontal cupping machine (1),
Adjust the length of another so that the first steel wire rope (41) and the second steel wire rope (42) are in exceptionally straight state；
3) horizontal-type stretching testing machine (1) is started so that dynamic crossbeam (13) is held to the first steel wire rope (41) and the second steel wire rope (42)
It is continuous to apply pulling force；
If A, ratchet (32) turns round, now moved by load sensor (15) detection on horizontal-type stretching testing machine (1)
The pulling force F1 that crossbeam (13) applies, and recorded；
Then the dynamic crossbeam (13) of horizontal-type stretching testing machine (1) is kept persistently to the first steel wire rope (41) and the second steel wire rope (42)
Apply pulling force when ratchet shaft (33), lock iron (31) or the first steel wire rope (41) and the second steel wire rope (42) are destroyed,
The pulling force F2 of crossbeam (13) application is now moved by load sensor (15) detection on horizontal-type stretching testing machine (1), and carried out
Record；
The F1 is the ratcheting failure maximum functional pulling force of ratchet wheel tensioner (3)；The F2 is the complete mistake of ratchet wheel tensioner (3)
Imitate maximum functional pulling force；
If B, ratchet shaft (33) or lock iron (31) are damaged, pass through the load sensor on horizontal-type stretching testing machine (1)
(15) the pulling force F3 that crossbeam (13) applies now is moved in detection, and is recorded；The pulling force F3 is the maximum of ratchet wheel tensioner (3)
Working pulling force；
4) after the completion of detecting, braking horizontal cupping machine (1), ratchet wheel tensioner (3) is unloaded from horizontal-type stretching testing machine (1)
Under.
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| CN201510323860.3A CN105181305B (en) | 2015-06-12 | 2015-06-12 | Ratchet wheel tensioner detection means and detection method |
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| CN108195670B (en) * | 2017-11-22 | 2021-06-04 | 安徽家骎建设工程有限公司 | Building rope tensile strength testing arrangement |
| CN110595877B (en) * | 2019-09-25 | 2024-07-09 | 广州肖宁道路工程技术研究事务所有限公司 | Clamp for on-site detection of interlayer bonding condition of white-plus-black pavement |
| CN114408508B (en) * | 2021-12-14 | 2024-08-20 | 广西电网有限责任公司 | Automatic pallet wheel locking detection device and application method thereof |
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| CH680304A5 (en) * | 1990-02-16 | 1992-07-31 | Syma Intercontinental Sa | |
| ITMI20012554A1 (en) * | 2001-12-04 | 2003-06-04 | Milano Politecnico | TEST MACHINE |
| CN201242008Y (en) * | 2008-07-28 | 2009-05-20 | 简明锐 | Improved connection joint |
| CN201540230U (en) * | 2009-10-16 | 2010-08-04 | 长春科新试验仪器有限公司 | Double-station and double-space horizontal tensile testing machine |
| CN102033017B (en) * | 2010-11-29 | 2012-07-04 | 武汉奥新科技有限公司 | Horizontal push-pull force tester |
| CN102156070B (en) * | 2011-05-31 | 2013-04-17 | 河南省煤炭科学研究院有限公司 | Belt full width tensile fixture and horizontal belt tensile testing machine |
| CN102323048B (en) * | 2011-05-31 | 2013-11-27 | 河南省煤炭科学研究院有限公司 | Horizontal tensile testing machine for mining loop chain |
| CN202512025U (en) * | 2012-03-23 | 2012-10-31 | 宁波中桥精密机械有限公司 | Test checking fixture for connecting rod sleeve of automobile engine |
| CN102830013A (en) * | 2012-08-21 | 2012-12-19 | 无锡通用钢绳有限公司 | Clamping device of steel wire rope tension tester |
| CN102928147B (en) * | 2012-12-04 | 2014-07-30 | 王帅 | Tension performance detection device for steel wire rope |
| CN103645091A (en) * | 2013-11-30 | 2014-03-19 | 上海华龙测试仪器股份有限公司 | Movable beam clamp for horizontal tensile testing machine |
| CN103698069B (en) * | 2013-12-10 | 2016-07-06 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of method detecting tensile force of ratchet fastener |
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