CN106289606B - Fastener longitudinal resistance test device - Google Patents

Fastener longitudinal resistance test device Download PDF

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Publication number
CN106289606B
CN106289606B CN201510256094.3A CN201510256094A CN106289606B CN 106289606 B CN106289606 B CN 106289606B CN 201510256094 A CN201510256094 A CN 201510256094A CN 106289606 B CN106289606 B CN 106289606B
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cylinder
rack
clip seat
roll
fastener
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CN201510256094.3A
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CN106289606A (en
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罗兵
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Beijing Zkyt Technology Co Ltd
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Beijing Zkyt Technology Co Ltd
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Abstract

The invention discloses a kind of fastener longitudinal resistance test devices, comprising: clip seat 4, roll-over table 5, rack 7, the first cylinder 6, the second cylinder 8, wheel 9.Second cylinder 8 is upright by roll-over table 5, and rail 3 and fastener are mounted in clip seat 4.Clip seat 4 is pushed out to test platform 2 by the first cylinder 6, is exerted a force from the pressure head 1 with displacement and force value sensor to rail 3, by program test fastener longitudinal resistance.The invention has the following advantages that being applicable in a variety of fasteners, versatility is good;Pressure head with displacement and force value sensor, can borrow the electronic universal tester in laboratory, reduce parts procurement cost, realize a tractor serves several purposes;Using pneumatic control, manpower consumption is reduced;Air inflow is adjusted, the stretching speed of cylinder is can control, avoids hurting operator;Conveniently moving is easily removed when not used;Small volume and less weight, structure is simple, easy to maintain.

Description

Fastener longitudinal resistance test device
Technical field
The present invention relates to a kind of fastener longitudinal resistance test device, in particular to fastener is tested in a kind of field of track traffic The test device of longitudinal resistance.
Background technique
In field of track traffic, the longitudinal resistance of different routes and section contacting piece requires different.Such as, heavy-haul line pair The longitudinal resistance of fastener requires to be not less than 11kN, and conventional line is not less than 9kN, and overhead route requires to use small-resistant fastener, indulges It is not more than 4kN to resistance.And determine two factors of longitudinal resistance size are as follows: the buckle press and vibration attenuation pad of spring.Though So the buckle press of spring has done the adjustment of appropriateness in different routes, but longitudinally hinders after cooperating unlike material and the backing plate of hardness The difference of power is larger.As a result, when developing new structure or material backing plate on probation, the test of longitudinal resistance is indispensable.Although The test of longitudinal resistance is indispensable, but unconventional test item.If purchasing a set of longitudinal resistance test device, and enterprise can be brought The certain financial burden of industry.
For this purpose, designer of the invention develops a kind of fastener longitudinal resistance test dress by design and research with great concentration It sets, to solve the above problems.
Summary of the invention
The purpose of the present invention is meeting the needs of contacting piece longitudinal resistance test equipment in laboratory, and do not need to bear Biggish financial burden.
To achieve the above object, the present invention is achieved by the following technical solutions:
Fastener longitudinal resistance test device includes:
--- clip seat 4;The clip seat 4 is fixed in 5 slideway of roll-over table, and connect for fixing various fasteners On the pull rod of the first cylinder 6;
--- roll-over table 5;The roll-over table 5 is fixed in rack 7;
--- rack 7;The rack 7 is welded by square steel or angle steel, and for convenience of movement, lower margin is equipped with idler wheel 9;
--- the first cylinder 6, first cylinder 6 is fixed in rack 7, and is connect with clip seat 4;
--- the second cylinder 8, second cylinder 8 is fixed in rack 7, and is connect with roll-over table 5;
--- pressure head 1, the pressure head 1 is with displacement and force value sensor;
--- idler wheel 9, the idler wheel 9 are mounted on four base angles of rack 7;
The clip seat 4 is equipped with the screw hole connecting with fastener fixing;The bolt hole of the position of screw hole and fastener to be tested It is corresponding;
The clip seat 4 is equipped with the stabilizer blade contacted with rack 7;
The junction of the clip seat 4 and the first cylinder 6 is axis connection;
The roll-over table 5 is equipped with the slideway for facilitating clip seat 4 mobile;
The rotary shaft of the rotary shaft and clip seat 4 of the roll-over table 5 is concentric;
Described 7 four lower margins of rack are equipped with the idler wheel 9 being moved easily, and the height of adjustable rack 7;
First cylinder 6 is that welding or screw are fixedly connected with the connection of rack 7;
The collapsing length of first cylinder 6 is greater than the length of 5 slideway of roll-over table;
The connection of second cylinder 8 and the rack 7 is axis connection, and the connection with overturning platform is axis connection;
The collapsing length of second cylinder 8 guarantees that the stabilizer blade of clip seat 4 is contacted with rack 7;
The pressure head 1 can be band displacement and force value sensor in laboratory and can be by hydraulic or what is be driven by electricity stretches Bar;
First cylinder 6 and the second cylinder 8 provides gas source by single air pump, and is independently controlled by different solenoid valves Make the flexible of two cylinders.
The mechanism of " the fastener longitudinal resistance test device " is: the first cylinder 6 is shunk, and the second cylinder 8 stretches out, overturning Platform 5 is upright, installs rail 3 and fastener.Then, the second cylinder 8 is shunk, and roll-over table 5 playbacks.Rack 7 is moved into survey by idler wheel 9 Try platform 2.First cylinder 6 stretches out, and clip seat 4 is retreated to test platform 2.Pressure head 1 with displacement and force value sensor is pressed in steel 3 one end of rail, and exert a force by test program to rail 3, while recording the change in displacement of rail 3.After the completion of test, the first cylinder 6 It shrinks, clip seat 4 is retracted into 5 slideway of roll-over table.Second cylinder 8 stretches out, and roll-over table 5 is upright, removes fastener.Second cylinder 8 is received Contracting, roll-over table 5 playback.
In conclusion the fastener longitudinal resistance test device of my invention has the following advantages that;
1, clip seat is applicable in a variety of fasteners, and versatility is good;
2, the pressure head with displacement and force value sensor, can borrow the electronic universal tester in laboratory, reduce accessory and adopt Cost is purchased, realizes a tractor serves several purposes;
3, using pneumatic control, manpower consumption is reduced;Air inflow is adjusted, the stretching speed of cylinder is can control, avoids hurting Operator;
4, rack band idler wheel, conveniently moving are easily removed when not used;
5, machine small volume and less weight, structure is simple, easy to maintain.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram of clip seat 4;
Fig. 3 is the structural schematic diagram of roll-over table 5;
Fig. 4 is the structural schematic diagram of rack 7;
Specific embodiment
Present invention is further described in detail With reference to embodiment:
Referring to attached drawing, fastener longitudinal resistance test device provided by the invention includes:
--- clip seat 4;The clip seat 4 is fixed in 5 slideway of roll-over table, and connect for fixing various fasteners On the pull rod of the first cylinder 6;
--- roll-over table 5;The roll-over table 5 is fixed in rack 7;
--- rack 7;The rack 7 is welded by square steel or angle steel, and for convenience of movement, lower margin is equipped with idler wheel 9;
--- the first cylinder 6, first cylinder 6 is fixed in rack 7, and is connect with clip seat 4;
--- the second cylinder 8, second cylinder 8 are fixed in rack 7, and are connect with overturning platform;
--- pressure head 1, the girl is with displacement and force value sensor;
--- idler wheel 9, the idler wheel 9 are mounted on four base angles of rack 7;
The clip seat 4 is equipped with the screw hole connecting with fastener fixing;The bolt hole of the position of screw hole and fastener to be tested It is corresponding;
The clip seat 4 is equipped with the stabilizer blade contacted with rack 7, and the height of adjustable rack 7;
The junction of the clip seat 4 and the first cylinder 6 is axis connection;
The roll-over table 5 is equipped with the slideway for facilitating clip seat 4 mobile;
The rotary shaft of the rotary shaft and clip seat 4 of the roll-over table 5 is concentric;
Described 7 four lower margins of rack are equipped with the idler wheel 9 being moved easily, and the height of adjustable rack 7;
First cylinder 6 is that welding or screw are fixedly connected with the connection of rack 7;
The collapsing length of first cylinder 6 is greater than the length of 5 slideway of roll-over table;
The connection of second cylinder 8 and the rack 7 is axis connection, and the connection with overturning platform is axis connection;
The collapsing length of second cylinder 8 need to guarantee that the stabilizer blade of clip seat 4 is contacted with rack 7;
The pressure head 1 can be band displacement any in laboratory and force value sensor and can be by hydraulic or what is be driven by electricity stretches Contracting bar;
First cylinder 6 and the second cylinder 8 provides gas source by single air pump, and is independently controlled by different solenoid valves Make the flexible of two cylinders.
Embodiment 1
The 4 hole heart of clip seat is away from for 220mm, and bore dia 27mm, hole heart line is placed in the middle, horizontal, can be coupled WJ-2 type Small-resistant fastener;Pressure head 1 is laboratory routine universal test compressing head.
Embodiment 2
The 4 hole heart of clip seat is away from for 2300mm, and bore dia 27mm, hole heart line is placed in the middle, horizontal, can be coupled WJ-8, WJ-7 type fastener;Pressure head 1 is hydraulically operated, and installs pressure sensor, and displacement sensor is installed in 3 one end of rail;
Embodiment 3
The 4 lateral aperture heart of clip seat away from for 293mm, the vertical hole heart away from for 127mm, bore dia 33mm, can be coupled P6, P7 heavy-haul line fastener;Pressure head 1 is driven by variable-frequency motor, and installs pressure sensor, and displacement sensor is installed in 3 one end of rail;
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although reference Embodiment describes the invention in detail, those skilled in the art should understand that, to technical solution of the present invention It modifies or replaces on an equal basis, without departure from the spirit and scope of technical solution of the present invention, should all cover of the invention In claim.

Claims (9)

1. fastener longitudinal resistance test device, characterized by comprising:
--- clip seat (4);The clip seat (4) is fixed in roll-over table (5) slideway, and even for fixing various fasteners It connects on the pull rod of the first cylinder (6);
--- roll-over table (5);The roll-over table (5) is fixed in rack 7;
--- rack (7);The rack (7) is welded by square steel or angle steel, and for convenience of movement, lower margin is equipped with idler wheel (9);
--- the first cylinder (6), first cylinder (6) is fixed on rack (7), and is connect with clip seat (4);
--- the second cylinder (8), second cylinder (8) is fixed on rack (7), and is connect with roll-over table (5);
--- pressure head (1), the displacement of the pressure head (1) band and force value sensor;
The junction of the clip seat (4) and the first cylinder (6) is axis connection;The collapsing length of first cylinder (6) Greater than the length of roll-over table (5) slideway;The connection of second cylinder (8) and rack (7) is axis connection, with roll-over table (5) Connection be axis connection;The collapsing length of second cylinder (8) guarantees that the stabilizer blade of clip seat (4) is contacted with rack (7).
2. fastener longitudinal resistance test device according to claim 1, which is characterized in that the clip seat (4) is equipped with The screw hole connecting with fastener fixing, the position of screw hole are corresponding with the bolt hole of fastener to be tested.
3. fastener longitudinal resistance test device according to claim 1, which is characterized in that the clip seat (4) is equipped with The stabilizer blade contacted with rack (7).
4. fastener longitudinal resistance test device according to claim 1, which is characterized in that the roll-over table (5) is equipped with The slideway for facilitating clip seat (4) mobile.
5. fastener longitudinal resistance test device according to claim 1, which is characterized in that the rotation of the roll-over table (5) Shaft and the rotary shaft of clip seat (4) are concentric.
6. fastener longitudinal resistance test device according to claim 1, which is characterized in that described (7) four ground of rack Foot is equipped with the idler wheel (9) being moved easily, and the height of adjustable rack (7).
7. fastener longitudinal resistance test device according to claim 1, which is characterized in that first cylinder (6) with The connection of rack (7) is that welding or screw are fixedly connected.
8. fastener longitudinal resistance test device according to claim 1, which is characterized in that the pressure head (1) can be real It tests in room with displacement and force value sensor and can be by telescopic rod that is hydraulic or being driven by electricity.
9. fastener longitudinal resistance test device according to claim 1, which is characterized in that first cylinder (6) and Second cylinder (8) provides gas source by single air pump, and passes through the flexible of different two cylinders of solenoid valve independent control.
CN201510256094.3A 2015-05-20 2015-05-20 Fastener longitudinal resistance test device Active CN106289606B (en)

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CN106289606B true CN106289606B (en) 2019-08-27

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110243578B (en) * 2019-05-23 2021-05-04 苏州集成校准检测认证有限公司 Method for testing longitudinal steel rail restraining force of rail transit

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CN202216787U (en) * 2011-07-26 2012-05-09 常州市瑞泰工程机械有限公司 Track ballast transverse resistance measuring device for railway tracks
CN102721501A (en) * 2012-06-15 2012-10-10 大连理工大学 Experimental method for measuring distribution of breaking longitudinal force of steel rail of railway
CN102901597A (en) * 2011-07-26 2013-01-30 常州市瑞泰工程机械有限公司 Device for measuring lateral resistance of track bed
EP2709894A1 (en) * 2011-05-20 2014-03-26 Société Nationale des Chemins De Fer Français - SNCF System for dynamic measurement of the wheel load of a train
CN203587265U (en) * 2013-12-03 2014-05-07 中铁第五勘察设计院集团有限公司 Sleeper longitudinal and lateral resistance dynamic detector

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GB0304192D0 (en) * 2003-02-25 2003-03-26 Accentus Plc Measurement of thermally induced stress
JP4359165B2 (en) * 2004-03-04 2009-11-04 株式会社カネコ Axial stress measuring device for laying rail
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Publication number Priority date Publication date Assignee Title
EP2709894A1 (en) * 2011-05-20 2014-03-26 Société Nationale des Chemins De Fer Français - SNCF System for dynamic measurement of the wheel load of a train
CN202216787U (en) * 2011-07-26 2012-05-09 常州市瑞泰工程机械有限公司 Track ballast transverse resistance measuring device for railway tracks
CN102901597A (en) * 2011-07-26 2013-01-30 常州市瑞泰工程机械有限公司 Device for measuring lateral resistance of track bed
CN102721501A (en) * 2012-06-15 2012-10-10 大连理工大学 Experimental method for measuring distribution of breaking longitudinal force of steel rail of railway
CN203587265U (en) * 2013-12-03 2014-05-07 中铁第五勘察设计院集团有限公司 Sleeper longitudinal and lateral resistance dynamic detector

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Denomination of invention: Fastener longitudinal resistance measuring device

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