CN114813391A - Rail gauge block bending test seat with adjustable support notch shape - Google Patents
Rail gauge block bending test seat with adjustable support notch shape Download PDFInfo
- Publication number
- CN114813391A CN114813391A CN202210410830.6A CN202210410830A CN114813391A CN 114813391 A CN114813391 A CN 114813391A CN 202210410830 A CN202210410830 A CN 202210410830A CN 114813391 A CN114813391 A CN 114813391A
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- side wall
- gauge block
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000005452 bending Methods 0.000 title claims abstract description 15
- 238000007493 shaping process Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 125000003003 spiro group Chemical group 0.000 claims description 5
- 238000013001 point bending Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- 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
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- 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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- 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 gauge block bending test seat with an adjustable support 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 in the upper end surface of the base, and vertical adjusting slots penetrating through the rear side wall of the base are formed in 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 leading backup pad and the back backup pad of putting to one side, preceding backup pad is pegged graft respectively in the slot of base preceding, rear side with the back backup pad, preceding backup pad and back backup pad go up the shaping respectively and have leading guide way and back guide way of putting to one side, all peg graft in leading guide way and the back guide way and have horizontal back shaft, the both ends of back shaft are pegged graft and are fixed on the both sides inner wall of slot.
Description
Technical Field
The invention relates to the technical field of gauge block test devices, in particular to a gauge block bending test seat with an adjustable support notch shape.
Background
The three-point bending test is a test method for testing the bending mechanical property of metal. The test procedure was as follows: the measured part is placed on two supporting points with a certain distance, downward load is applied to the measured part in the direction above the middle point of the two supporting points, three-point bending occurs when 3 contact points of the measured part form two equal moments, and the measured part breaks at the middle point. The gauge block is one of important components of the railway, through carrying on the three-point bending test to the gauge block, can determine its crooked mechanical properties, the three-point bending test of the gauge block at present is to lay the gauge block on the supporting seat of "U" font, the shaping has V-notch cooperating with gauge block appearance on the supporting seat, the gauge block is inserted in V-notch, and the gauge block of different specifications is different in its appearance, so need to test and dispose the supporting seat of the V-notch of a plurality of different sizes and angles, a plurality of supporting seats are inconvenient when testing and choose the trouble, and increased the work load of management.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a gauge block bending test seat with an adjustable support notch shape.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a rail gauge block bending test seat with an adjustable support notch shape 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 in the upper end face of the base, and vertical adjusting slots penetrating through the rear side wall of the base and formed in 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 at the front side and the rear side of the base, the front supporting plate and the rear supporting plate are respectively provided with an obliquely arranged front guide groove and an obliquely arranged rear guide groove, transverse supporting shafts are respectively inserted into the front guide groove and the rear guide groove, and two ends of each supporting shaft are inserted and fixed on the inner walls at two sides of each slot;
the lower side of preceding backup pad and the lower side of back backup pad are all inserted and are established in the rectangle opening of base and the shaping has annular preceding ear seat and back ear seat respectively, the equal plug bush of preceding ear seat and back ear seat is at horizontal regulating spindle, the one end of regulating spindle is pegged graft and is vertically and be the guide bar of T type, the other end spiro union has vertically and be 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 that leans on the 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 stop collar, stop collar and knob all support and lean on the preceding terminal surface of base, preceding ear seat on the preceding backup pad and the back ear seat on the backup pad all support and lean on the rectangle open-ended bottom surface.
Preferably, the width of the front support plate is equal to that of the rear support plate, and the width of the rear support plate is equal to the width of the slot.
Preferably, the groove width of the front guide groove on the front support plate is equal to the groove width of the rear guide groove on the rear support plate, and the diameter of the support shaft is equal to the groove width of the rear guide groove.
Preferably, the regulating shaft be the T type, the screw rod spiro union is at the head of regulating shaft, the terminal plug bush of regulating shaft is fixed with the axle sleeve, the guide bar is pegged graft on the axle sleeve, the guide bar be the round bar, the diameter of guide bar equals the diameter of screw, the diameter of guide bar equals the groove width of adjustment tank.
Preferably, the upper end face of base is all stretched out to the last side of backup pad and the last side of back backup pad before the bracket, and the open-ended bottom surface of rectangle is higher than the up end of base plate on the base.
Preferably, a backing 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 backing plate, and the lower end surface of the backing plate is abutted against the bottom surface of the rectangular opening.
Preferably, the shaping has a circular shape shrinkage pool on the rectangle open-ended bottom surface on the base, and the shaping has the concave station relative with the shrinkage pool on the lower terminal surface of base, and it has vertical regulation double-screw bolt to peg graft in the concave station, and regulation double-screw bolt spiro union is on the base, the shaping has the uide bushing on the lower terminal surface of backing plate, and the uide bushing is pegged graft in the shrinkage pool of base, and the upper end of regulation double-screw bolt is pegged graft in the uide bushing and is leaned on the backing plate.
Preferably, the backing plate is rectangular, the length of the backing plate 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 backing plate respectively abut against the front inner wall and the rear inner wall of the rectangular opening.
The invention has the beneficial effects that: the notch on the test seat that it adopted is adjustable angle and size, has better commonality, can cooperate the three point bending test of the gauge block of multiple specification.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic sectional view 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 groove; 114. concave holes; 115. a concave platform; 2. a bracket; 21. a front support plate; 211. a front guide groove; 212. a front ear mount; 22. a rear support plate; 221. a rear guide groove; 222. a rear ear mount; 3. a support shaft; 4. an adjustment shaft; 5. a screw; 6. a guide bar; 7. a knob; 8. a limiting sleeve; 9. a base plate; 91. a guide sleeve; 10. adjusting the stud; 20. and a shaft sleeve.
Detailed Description
Example (b): as shown in fig. 1 to 3, a gauge block bending test bed with an adjustable support notch shape comprises a base plate 1, rectangular bases 11 are formed at two ends of the base plate 1, rectangular openings 111 penetrating through the left and right side walls of the base 11 and slots 112 penetrating through the front and rear side walls of the base 11 are formed in the upper end surface of the base 11, and vertical adjusting slots 113 penetrating through the rear side wall of the base 11 and formed in the 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 support plate 21 and a rear support plate 22 which are obliquely arranged, the front support plate 21 and the rear support plate 22 are respectively inserted into slots 112 at the front side and the rear side of the base 11, the front support plate 21 and the rear support plate 22 are respectively provided with a front guide groove 211 and a rear guide groove 221 which are obliquely arranged, the front guide groove 211 and the rear guide groove 221 are respectively inserted with a transverse support shaft 3, and two ends of the support shaft 3 are inserted and fixed on the inner walls at two sides of the slot 112;
the lower side of the front support plate 21 and the lower side of the rear support plate 22 are inserted into the rectangular opening 111 of the base 11 and are respectively formed with a front ear seat 212 and a rear ear seat 222, the front ear seat 212 and the rear ear seat 222 are all inserted and sleeved on a transverse adjusting shaft 4, one end of the adjusting shaft 4 is inserted and connected with a longitudinal guide rod 6 which is T-shaped, the other end of the adjusting shaft is connected with a longitudinal screw rod 5 which is T-shaped in a threaded manner, the screw rod 5 and the guide rod 6 are respectively inserted and connected in adjusting grooves 113 on two sides of a slot 112, the heads of the screw rod 5 and the guide rod 6 are all abutted against the rear end face of a base 11, the front end of the screw rod 5 stretches out of the base 11 and is fixed with a knob 7, the front end of the guide rod 6 stretches out of the base 11 and is fixed with a limit sleeve 8, the limit sleeve 8 and the knob 7 are both 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 both abutted against the bottom face of a rectangular opening 111.
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 slot width of the slot 112.
The front guide groove 211 of the front support plate 21 has a groove width equal to that of the rear guide groove 221 of the rear support plate 22, and the support shaft 3 has a diameter equal to that of the rear guide groove 221.
The adjusting shaft 4 is T-shaped, the screw 5 is screwed on 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 on the shaft sleeve 20 in a sleeved mode, the guide rod 6 is a round rod, the diameter of the guide rod 6 is equal to that of the screw 5, and the diameter of the guide rod 6 is equal to the groove width of the adjusting groove 113.
The upper side of the front support plate 21 and the upper side of the rear support plate 22 on the bracket 2 both 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 backing 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 backing plate 9, and the lower end surface of the backing plate 9 is abutted against the bottom surface of the rectangular opening 111.
The shaping has circular shape shrinkage pool 114 on the bottom surface of rectangle opening 111 on the base 11, and the shaping has the concave station 115 relative with shrinkage pool 114 on the lower terminal surface of base 11, and it has vertical regulation double-screw bolt 10 to peg graft in the concave station 115, and regulation double-screw bolt 10 spiro union is on base 11, the shaping has uide bushing 91 on the lower terminal surface of backing plate 9, and uide bushing 91 pegs graft in the shrinkage pool 114 of base 1, and the upper end of regulation double-screw bolt 10 pegs graft in uide bushing 91 and support and lean on backing plate 9.
The backing plate 9 is rectangular, the length of the backing 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 backing plate 9 are respectively abutted against the front inner wall and the rear inner wall of the rectangular opening 111.
The working principle is as follows: the invention relates to a track gauge block bending test seat with adjustable support notch shape, which is mainly technically characterized in that a support seat 2 consisting of a front support plate 21 and a rear support plate 22 on the test seat can change the front and rear positions of the bottom end of the support seat 2 through the rotation adjustment of a screw rod 5, the adjustment of the height of a backing plate 9 can be driven through the rotation of an adjusting bolt 10, the upper and lower positions of the bottom end of the support seat 2 can be further changed, and the size and the angle of a notch on the support seat 2 can be changed to be matched with a track gauge block with a corresponding specification.
The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (8)
1. The utility model provides a support notch shape adjustable gauge block bending test seat, includes base plate (1), and the both ends shaping of base plate (1) has base (11) of rectangle, its characterized in that: a rectangular opening (111) penetrating through the left side wall and the right side wall of the base (11) and a slot (112) penetrating through the front side wall and the rear side wall of the base (11) are formed on the upper end surface of the base (11), and an adjusting groove (113) which penetrates through the rear side wall of the base (11) and is vertical is formed on the front side wall of the base (11) on the two sides of the slot (112); the V-shaped support seat (2) is arranged on the base (11), the support seat (2) is composed of a front support plate (21) and a rear support plate (22) which are obliquely arranged, the front support plate (21) and the rear support plate (22) are respectively inserted into slots (112) on the front side and the rear side of the base (11), an obliquely arranged front guide groove (211) and a rear guide groove (221) are respectively formed on the front support plate (21) and the rear support plate (22), transverse support shafts (3) are respectively inserted into the front guide groove (211) and the rear guide groove (221), and two ends of each support shaft (3) are inserted and fixed on the inner walls on two sides of each slot (112);
the lower side edge of the front supporting plate (21) and the lower side edge of the rear supporting plate (22) are inserted into a rectangular opening (111) of the base (11) and are respectively formed with a front ear seat (212) and a rear ear seat (222) which are annular, the front ear seat (212) and the rear ear seat (222) are respectively inserted and sleeved in a transverse adjusting shaft (4), one end of the adjusting shaft (4) is inserted and connected with a longitudinal guide rod (6) which is T-shaped, the other end of the adjusting shaft is screwed and connected with a longitudinal screw rod (5) which is T-shaped, the screw rod (5) and the guide rod (6) are respectively inserted and connected into adjusting grooves (113) on two sides of the slot (112), the heads of the screw rod (5) and the guide rod (6) are respectively abutted against the rear end face of the base (11), the front end of the screw rod (5) is extended out of the base (11) and is fixed with a knob (7), the front end of the guide rod (6) is extended out of the base (11) and is fixed with a limiting sleeve (8), and the limiting sleeve (7) are abutted against the front end face of the base (11), the front ear seat (212) on the front supporting plate (21) and the rear ear seat (222) on the rear supporting plate (22) are abutted against the bottom surface of the rectangular opening (111).
2. The gauge block bending test bed with the adjustable support notch shape according to claim 1, wherein: the width of the front supporting plate (21) is equal to that of the rear supporting plate (22), and the width of the rear supporting plate (22) is equal to that of the slot (112).
3. The gauge block bending test bed with the adjustable support notch shape according to 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 gauge block bending test bed with the adjustable support notch shape according to 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), a shaft sleeve (20) is fixed to the tail end of the adjusting shaft (4) in a sleeved mode, the guide rod (6) is inserted into the shaft sleeve (20) in a plugged mode, 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 gauge block bending test bed with the adjustable support notch shape according to claim 1, wherein: the upper end face of base (11) all stretches out with the last side of back backup pad (22) to the last side of preceding backup pad (21) on bracket (2), and the bottom surface of rectangle opening (111) is higher than the up end of base plate (1) on base (11).
6. The gauge block bending test bed with the adjustable support notch shape according to claim 1, wherein: a backing plate (9) is arranged between the bottom surfaces of the rectangular openings (111) on the bracket (2) and the base (11), the front ear seats (212) and the rear ear seats (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 gage block bend test bed of claim 6, wherein said gage block includes a support notch having an adjustable shape, said support notch comprising: the shaping has circular shape shrinkage pool (114) on the bottom surface of rectangle opening (111) on base (11), and the shaping has concave station (115) relative with shrinkage pool (114) on the lower terminal surface of base (11), and it has vertical regulation double-screw bolt (10) to peg graft in concave station (115), and regulation double-screw bolt (10) spiro union is 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 (1), and the upper end of regulation double-screw bolt (10) is pegged graft in uide bushing (91) and is leaned on backing plate (9).
8. The gage block bend test bed of claim 7 having an adjustable support notch shape, wherein: backing plate (9) be the rectangle, backing plate (9) length equals the interval between base (11) left side wall and the right side wall, the preceding side and the back side of backing plate (9) support respectively and lean on the preceding, back inner wall of rectangle 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 true CN114813391A (en) | 2022-07-29 |
| CN114813391B CN114813391B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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