CN114813391B - Rail gauge block bending test seat with adjustable supporting notch shape - Google Patents
Rail gauge block bending test seat with adjustable supporting notch shape Download PDFInfo
- Publication number
- CN114813391B CN114813391B CN202210410830.6A CN202210410830A CN114813391B CN 114813391 B CN114813391 B CN 114813391B CN 202210410830 A CN202210410830 A CN 202210410830A CN 114813391 B CN114813391 B CN 114813391B
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- base
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- side wall
- bending test
- gauge block
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- 238000005452 bending Methods 0.000 title claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 238000007493 shaping process Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 238000013001 point bending Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a bending test seat for a track gauge block with an adjustable supporting notch shape, which comprises a base plate, wherein rectangular bases are formed at two ends of the base plate, rectangular openings penetrating through the left side wall and the right side wall of the base and slots penetrating through the front side wall and the rear side wall of the base are formed on the upper end face of the base, and vertical adjusting grooves penetrating through the rear side wall of the base are formed on the front side wall of the base at two sides of the slots; the base on be equipped with the bracket of V type, the bracket comprises front backup pad and the back backup pad of putting to one side, front backup pad and back backup pad peg graft respectively in the slot of base front and back side, preceding guide way and back guide way of putting to one side have been formed respectively in front backup pad and the back backup pad, all peg graft in front guide way and the back guide way have horizontal back shaft, the both ends grafting of back shaft is fixed on the both sides inner wall of slot.
Description
Technical Field
The invention relates to the technical field of track gauge block test devices, in particular to a track gauge block bending test seat with an adjustable supporting notch shape.
Background
The three-point bending test is a test method for checking the bending mechanical properties of metals. The test procedure was as follows: the part to be measured is placed on two supporting points with a certain distance, downward load is applied to the part to be measured in the upper direction of the middle point of the two supporting points, three-point bending occurs when the 3 contact points of the part to be measured form equal two moments, and the part to be measured is broken at the middle point. The gauge block is one of important components of a railway, bending mechanical properties of the gauge block can be measured by carrying out a three-point bending test on the gauge block, the three-point bending test of the gauge block at present is that the gauge block is placed on a U-shaped supporting seat, a V-shaped notch matched with the shape of the gauge block is formed on the supporting seat, the gauge block is inserted in the V-shaped notch, and the shapes of the gauge blocks with different specifications are different, so that the supporting seats with a plurality of V-shaped notches with different sizes and angles are required to be tested, the supporting seats are inconvenient to select and troublesome to operate in the test, and the management workload is increased.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a track gauge block bending test seat with an adjustable supporting notch shape, wherein the angle and the size of a notch on the test seat can be adjusted, and the test seat has better universality.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a bending test seat for a track gauge block with an adjustable supporting notch shape comprises a substrate, wherein rectangular bases are formed at two ends of the substrate, rectangular openings penetrating through the left side wall and the right side wall of the base and slots penetrating through the front side wall and the rear side wall of the base are formed on the upper end face of the base, and vertical adjusting grooves penetrating through the rear side wall of the base are formed on the front side wall of the base at two sides of the slots; the base is provided with a V-shaped bracket, the bracket consists of a front supporting plate and a rear supporting plate which are obliquely arranged, the front supporting plate and the rear supporting plate are respectively inserted into slots on the front side and the rear side of the base, an obliquely arranged front guide groove and a obliquely arranged rear guide groove are respectively formed in the front supporting plate and the rear supporting plate, transverse supporting shafts are respectively inserted into the front guide groove and the rear guide groove, and two ends of each supporting shaft are fixedly inserted into inner walls on two sides of the slots;
the lower side of preceding backup pad and the lower side of back backup pad all insert and establish in the rectangle opening of base and the shaping has annular preceding ear seat and back ear seat respectively, preceding ear seat and back ear seat all insert the cover in horizontal regulating spindle, the one end of regulating spindle is pegged graft and is the guide bar of T type, the other end spiro union has vertical and is the screw rod of T type, screw rod and guide bar are pegged graft respectively in the adjustment tank of slot both sides, the head of screw rod and guide bar all supports the rear end face of base, the front end of screw rod stretches out the base plug bush and is fixed with the knob, the front end of guide bar stretches out the base plug bush and is fixed with the spacer sleeve, spacer sleeve and knob all support on the front end face of base, preceding ear seat in the preceding backup pad and the back ear seat in the backup pad all support on the bottom surface of rectangle opening.
Preferably, the width of the front support plate is equal to the width of the rear support plate, and the width of the rear support plate is equal to the slot width of the slot.
Preferably, the groove width of the front guide groove in the front support plate is equal to the groove width of the rear guide groove in the rear support plate, and the diameter of the support shaft is equal to the groove width of the rear guide groove.
Preferably, the adjusting shaft is T-shaped, the screw rod is in threaded connection with the head of the adjusting shaft, the shaft sleeve is fixed at the tail end of the adjusting shaft in a sleeved mode, the guide rod is inserted into the shaft sleeve, the guide rod is a round rod, the diameter of the guide rod is equal to that of the screw rod, and the diameter of the guide rod is equal to the groove width of the adjusting groove.
Preferably, the upper side edge of the front supporting plate and the upper side edge of the rear supporting plate on the bracket extend out of the upper end face of the base, and the bottom face of the rectangular opening on the base is higher than the upper end face of the base plate.
Preferably, a base plate is arranged between the bracket and the bottom surface of the rectangular opening on the base, the front ear seat and the rear ear seat on the bracket are abutted against the upper end surface of the base plate, and the lower end surface of the base plate is abutted against the bottom surface of the rectangular opening.
Preferably, a circular concave hole is formed in the bottom surface of the rectangular opening in the base, a concave table opposite to the concave hole is formed in the lower end surface of the base, a vertical adjusting stud is inserted in the concave table, the adjusting stud is in threaded connection with the base, a guide sleeve is formed in the lower end surface of the base plate, the guide sleeve is inserted in the concave hole of the base, and the upper end of the adjusting stud is inserted in the guide sleeve and abuts against the base plate.
Preferably, the pad is rectangular, the length of the pad is equal to the distance between the left side wall and the right side wall of the base, and the front side edge and the rear side edge of the pad respectively lean against the front inner wall and the rear inner wall of the rectangular opening.
The invention has the beneficial effects that: the angle and the size of the notch on the test seat can be adjusted, so that the test seat has good universality and can be matched with three-point bending tests of gauge blocks with various specifications.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the front view of the present invention;
fig. 3 is a schematic cross-sectional view of the structure at A-A in fig. 2.
In the figure: 1. a substrate; 11. a base; 111. a rectangular opening; 112. a slot; 113. an adjustment tank; 114. concave holes; 115. a concave table; 2. a bracket; 21. a front support plate; 211. a front guide groove; 212. a front ear seat; 22. a rear support plate; 221. a rear guide groove; 222. a rear ear seat; 3. a support shaft; 4. an adjusting shaft; 5. a screw; 6. a guide rod; 7. a knob; 8. a limit sleeve; 9. a backing plate; 91. a guide sleeve; 10. adjusting the stud; 20. a shaft sleeve.
Detailed Description
Examples: referring to fig. 1 to 3, a bending test seat for a track gauge block with an adjustable shape of a supporting notch comprises a base plate 1, wherein rectangular bases 11 are formed at two ends of the base plate 1, rectangular openings 111 penetrating through left and right side walls of the base 11 and slots 112 penetrating through front and rear side walls of the base 11 are formed on the upper end face of the base 11, and vertical adjusting grooves 113 penetrating through rear side walls of the base 11 are formed on front side walls of the base 11 at two sides of the slots 112; the base 11 is provided with a V-shaped bracket 2, the bracket 2 consists of a front supporting plate 21 and a rear supporting plate 22 which are obliquely arranged, the front supporting plate 21 and the rear supporting plate 22 are respectively inserted into slots 112 on the front side and the rear side of the base 11, the front supporting plate 21 and the rear supporting plate 22 are respectively provided with an obliquely arranged front guide groove 211 and a rear guide groove 221, the front guide groove 211 and the rear guide groove 221 are respectively inserted with a transverse supporting shaft 3, and two ends of the supporting shaft 3 are inserted and fixed on two side inner walls of the slots 112;
the lower side of the front supporting plate 21 and the lower side of the rear supporting plate 22 are inserted into the rectangular opening 111 of the base 11 and are respectively provided with a circular front ear seat 212 and a circular rear ear seat 222, the front ear seat 212 and the rear ear seat 222 are respectively inserted into the transverse adjusting shaft 4, one end of the adjusting shaft 4 is inserted with a longitudinal T-shaped guide rod 6, the other end of the adjusting shaft is in threaded connection with a longitudinal T-shaped screw 5, the screw 5 and the guide rod 6 are respectively inserted into the adjusting grooves 113 at two sides of the slot 112, the heads of the screw 5 and the guide rod 6 are respectively abutted against the rear end face of the base 11, the front end of the screw 5 extends out of the base 11 and is fixedly sleeved with a knob 7, the front end of the guide rod 6 extends out of the base 11 and is fixedly sleeved with a limit sleeve 8, the limit sleeve 8 and the knob 7 are respectively abutted against the front end face of the base 11, and the front ear seat 212 on the front supporting plate 21 and the rear ear seat 222 on the rear supporting plate 22 are respectively abutted against the bottom face of the rectangular opening 111.
The front support plate 21 has a width equal to that of the rear support plate 22, and the rear support plate 22 has a width equal to that of the slot 112.
The groove width of the front guide groove 211 on the front support plate 21 is equal to the groove width of the rear guide groove 221 on the rear support plate 22, and the diameter of the support shaft 3 is equal to the groove width of the rear guide groove 221.
The adjusting shaft 4 is T-shaped, the screw rod 5 is in threaded connection with the head of the adjusting shaft 4, the shaft sleeve 20 is fixed at the tail end of the adjusting shaft 4 in a sleeved mode, the guide rod 6 is inserted into the shaft sleeve 20, the guide rod 6 is a round rod, the diameter of the guide rod 6 is equal to that of the screw rod 5, and the diameter of the guide rod 6 is equal to the groove width of the adjusting groove 113.
The upper side edge of the front supporting plate 21 and the upper side edge of the rear supporting plate 22 on the bracket 2 extend out of the upper end surface of the base 11, and the bottom surface of the rectangular opening 111 on the base 11 is higher than the upper end surface of the base plate 1.
A cushion plate 9 is arranged between the bracket 2 and the bottom surface of the rectangular opening 111 on the base 11, the front ear seat 212 and the rear ear seat 222 on the bracket 2 are abutted against the upper end surface of the cushion plate 9, and the lower end surface of the cushion plate 9 is abutted against the bottom surface of the rectangular opening 111.
The bottom surface of the rectangular opening 111 on the base 11 is provided with a circular concave hole 114, the lower end surface of the base 11 is provided with a concave table 115 opposite to the concave hole 114, a vertical adjusting stud 10 is inserted into the concave table 115, the adjusting stud 10 is in threaded connection with the base 11, the lower end surface of the base plate 9 is provided with a guide sleeve 91, the guide sleeve 91 is inserted into the concave hole 114 of the base 1, and the upper end of the adjusting stud 10 is inserted into the guide sleeve 91 and is abutted against the base plate 9.
The pad 9 is rectangular, the length of the pad 9 is equal to the distance between the left side wall and the right side wall of the base 11, and the front side edge and the rear side edge of the pad 9 respectively lean against the front inner wall and the rear inner wall of the rectangular opening 111.
Working principle: the invention relates to a bending test seat for a track gauge block with an adjustable shape of a supporting notch, which is mainly technically characterized in that a bracket 2 on the test seat, which consists of a front supporting plate 21 and a rear supporting plate 22, can change the front position and the rear position of the bottom end of the bracket 2 through rotation adjustment of a screw 5, can drive the adjustment of the height of a backing plate 9 through rotation of an adjusting bolt 10, further can change the upper position and the lower position of the bottom end of the bracket 2, can change the size and the angle of the notch on the bracket 2, and is suitable for the track gauge block with corresponding specification.
The examples are presented to illustrate the invention and are not intended to limit the invention. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention is therefore set forth in the appended claims.
Claims (8)
1. The utility model provides a support notch shape adjustable gauge piece bending test seat, includes base plate (1), and base plate (1) both ends shaping has rectangular base (11), its characterized in that: rectangular openings (111) penetrating through the left side wall and the right side wall of the base (11) and slots (112) penetrating through the front side wall and the rear side wall of the base (11) are formed in the upper end face of the base (11), and adjusting grooves (113) penetrating through the rear side wall of the base (11) and being vertical are formed in the front side wall of the base (11) on the two sides of the slots (112); the base (11) is provided with a V-shaped bracket (2), the bracket (2) consists of a front supporting plate (21) and a rear supporting plate (22) which are obliquely arranged, the front supporting plate (21) and the rear supporting plate (22) are respectively inserted into slots (112) on the front side and the rear side of the base (11), the front supporting plate (21) and the rear supporting plate (22) are respectively provided with an obliquely arranged front guide groove (211) and a rear guide groove (221), transverse supporting shafts (3) are respectively inserted into the front guide groove (211) and the rear guide groove (221), and two ends of each supporting shaft (3) are inserted and fixed on two inner walls of the slots (112);
the lower side of preceding backup pad (21) and the lower side of back backup pad (22) are all inserted and are established in rectangular opening (111) of base (11) and have annular preceding ear seat (212) and back ear seat (222) respectively, preceding ear seat (212) and back ear seat (222) are all inserted and are overlapped in horizontal regulating spindle (4), vertical guide bar (6) that are the T type are pegged graft to one end of regulating spindle (4), the other end spiro union has vertical screw rod (5) that are the T type, screw rod (5) and guide bar (6) are pegged graft respectively in adjustment tank (113) of slot (112) both sides, the head of screw rod (5) and guide bar (6) all supports the rear end face of base (11), the front end of screw rod (5) stretches out base (11) plug bush and is fixed with knob (7), the front end of guide bar (6) stretches out base (11) plug bush and is fixed with spacing sleeve (8), spacing sleeve (8) and knob (7) all support on the preceding terminal surface of base (11), preceding backup pad (21) and the front end face of back support (21) are all supported on the base (111) on the bottom surface of back ear seat (22) all supports on the base (111).
2. The adjustable gauge block bending test stand of claim 1, wherein: the width of the front support plate (21) is equal to the width of the rear support plate (22), and the width of the rear support plate (22) is equal to the groove width of the slot (112).
3. The adjustable gauge block bending test stand of claim 2, wherein: the groove width of the front guide groove (211) on the front support plate (21) is equal to the groove width of the rear guide groove (221) on the rear support plate (22), and the diameter of the support shaft (3) is equal to the groove width of the rear guide groove (221).
4. The adjustable gauge block bending test stand of claim 1, wherein: the adjusting shaft (4) is T-shaped, the screw rod (5) is in threaded connection with the head of the adjusting shaft (4), the shaft sleeve (20) is fixed at the tail end of the adjusting shaft (4) in a sleeved mode, the guide rod (6) is inserted into the shaft sleeve (20), the guide rod (6) is a round rod, the diameter of the guide rod (6) is equal to that of the screw rod (5), and the diameter of the guide rod (6) is equal to the groove width of the adjusting groove (113).
5. The adjustable gauge block bending test stand of claim 1, wherein: the upper side edge of the front supporting plate (21) and the upper side edge of the rear supporting plate (22) on the bracket (2) extend out of the upper end face of the base (11), and the bottom face of the rectangular opening (111) on the base (11) is higher than the upper end face of the base plate (1).
6. The adjustable gauge block bending test stand of claim 1, wherein: a backing plate (9) is arranged between the bracket (2) and the bottom surface of the rectangular opening (111) on the base (11), a front ear seat (212) and a rear ear seat (222) on the bracket (2) are abutted against the upper end surface of the backing plate (9), and the lower end surface of the backing plate (9) is abutted against the bottom surface of the rectangular opening (111).
7. The adjustable gauge block bending test stand of claim 6, wherein: the utility model discloses a base, including base (11), rectangle opening (111) and adjusting stud (10), the shaping has circular shape shrinkage pool (114) on the bottom surface of rectangle opening (111) on base (11), the shaping has concave station (115) relative with shrinkage pool (114) on the lower terminal surface of base (11), has inserted vertical adjusting stud (10) in concave station (115), adjusting stud (10) spiro union on base (11), the shaping has uide bushing (91) on the lower terminal surface of backing plate (9), and uide bushing (91) are pegged graft in shrinkage pool (114) of base (11), and the upper end of adjusting stud (10) is pegged graft in uide bushing (91) and is supported on backing plate (9).
8. The adjustable gauge block bending test stand of claim 7, wherein: the base plate (9) is rectangular, the length of the base plate (9) is equal to the distance between the left side wall and the right side wall of the base (11), and the front side edge and the rear side edge of the base plate (9) respectively lean against the front inner wall and the rear inner wall of the rectangular opening (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210410830.6A CN114813391B (en) | 2022-04-19 | 2022-04-19 | Rail gauge block bending test seat with adjustable supporting notch shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210410830.6A CN114813391B (en) | 2022-04-19 | 2022-04-19 | Rail gauge block bending test seat with adjustable supporting notch shape |
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| Publication Number | Publication Date |
|---|---|
| CN114813391A CN114813391A (en) | 2022-07-29 |
| CN114813391B true CN114813391B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210410830.6A Active CN114813391B (en) | 2022-04-19 | 2022-04-19 | Rail gauge block bending test seat with adjustable supporting notch shape |
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