CN210487689U - Indoor test piece wave speed test fixing device - Google Patents
Indoor test piece wave speed test fixing device Download PDFInfo
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- CN210487689U CN210487689U CN201921082327.2U CN201921082327U CN210487689U CN 210487689 U CN210487689 U CN 210487689U CN 201921082327 U CN201921082327 U CN 201921082327U CN 210487689 U CN210487689 U CN 210487689U
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Abstract
The utility model provides an indoor test piece wave speed test fixing device, includes the test piece draw-in groove, the one end of test piece draw-in groove is fixed stop, and the other end of test piece draw-in groove is adjustable fender, and the adjustable fender outside is provided with elastomeric element, and adjusting nut is installed to the elastomeric element tip. The beneficial effects of the utility model reside in that: the length of the test piece can be directly read during testing, the spring at the movable end ensures that the probe is in close contact with the test piece, the probes at the two ends are at the same height, and the testing distance is ensured to be the length of the tested piece. During testing, one person can operate the test device, and the test device is simple and convenient.
Description
Technical Field
The utility model belongs to mechanical properties test field mainly relates to the sound wave speed test of indoor cylindrical or square column nature rock test piece and concrete test piece.
Background
At present, when a wave velocity test is performed on a rock or concrete sample and the like in a laboratory, firstly, the length of the sample needs to be measured, and then, a probe is tightly attached to corresponding positions at two ends of the sample (for tight contact, the probe is generally coated with grease).
Disclosure of Invention
In the operation process of the method, probes at two ends need to be manually aligned, so that the centers of the probes are positioned on the axis of the test piece, and certain distance errors exist. Meanwhile, at least 2 persons are required to operate, and the speed is low when a large number of test pieces are tested.
For overcoming the artificial distance error that causes when test piece wave speed test to improve work efficiency, the utility model provides an indoor test piece wave speed test fixing device can be accurate and measure test piece length fast, carries out the wave speed test fast.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an indoor test piece wave speed test fixing device, includes the test piece draw-in groove, the one end of test piece draw-in groove is fixed stop, and the other end of test piece draw-in groove is adjustable fender, and the adjustable fender outside is provided with elastomeric element, and adjusting nut is installed to the elastomeric element tip.
The fixing device for the wave velocity test of the indoor test piece is characterized in that the fixed baffle and the movable baffle are respectively provided with a rectangular hole for accommodating the probe, and the two rectangular holes are corresponding in position.
Indoor test piece wave speed test fixing device, the outside in rectangular hole is provided with the scale mark, and the kelly seat is fixed on the fixed stop at rectangular hole top, and the kelly passes the kelly seat and can slide in the kelly seat, and the screw passes the kelly seat top tightly on the kelly.
Indoor test piece wave speed test fixing device, the test piece draw-in groove is interior fixed stop, adjustable fender and connects at least three cylindricality pole group constitution between fixed stop and adjustable fender, is provided with the scale on the cylindricality pole of outside, and the equal fixed mounting of one end of cylindricality pole is on fixed stop, and the other end is provided with the recess, is provided with the arch of card in the cylindricality pole recess on the adjustable fender, and adjustable fender can slide in the recess.
The indoor test piece wave speed testing fixing device is characterized in that a steel ball is further arranged between the groove of the cylindrical rod and the protrusion on the movable baffle.
According to the fixing device for the wave velocity test of the indoor test piece, the groove is an arc-shaped groove, the protrusion is an arc-shaped protrusion, and the steel balls are respectively tangent to the groove of the cylindrical rod and the protrusion on the movable baffle.
According to the fixing device for the wave velocity test of the indoor test piece, the elastic component is sleeved on the cylindrical rod on the outer side of the movable baffle, and the adjusting nut is arranged on the cylindrical rod at the end part of the elastic component.
The wave speed test fixing device for the indoor test piece is characterized in that the elastic component is a spring.
The fixing device for the wave velocity test of the indoor test piece is characterized in that an outer side baffle is further sleeved on the cylindrical rod between the elastic component and the adjusting nut, and the outer side baffle is in sliding connection with the cylindrical rod.
The indoor test piece wave speed testing fixing device is characterized in that two end parts of the cylindrical rod are supported on the adjustable supporting bottom rod.
The beneficial effects of the utility model reside in that: the length of the test piece can be directly read during testing, the spring at the movable end ensures that the probe is in close contact with the test piece, the probes at the two ends are at the same height, and the testing distance is ensured to be the length of the tested piece. During testing, one person can operate the test device, and the test device is simple and convenient.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a schematic view of a fixed baffle structure.
Fig. 5 is a schematic view of a flapper construction.
Fig. 6 is a schematic view of an outboard baffle arrangement.
Fig. 7 is a schematic view of the construction of the flapper and the grooved cylindrical rod.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in figures 1-7, an indoor test piece wave speed testing fixing device comprises a test piece clamping groove, wherein one end of the test piece clamping groove is a fixed baffle 3, the other end of the test piece clamping groove is a movable baffle, an elastic part 7 is arranged on the outer side of the movable baffle, an adjusting nut 9 is arranged at the end part of the elastic part, the whole device is similar to a dry battery groove, rectangular holes 10 for accommodating probes are respectively arranged on a fixed baffle 2 and a movable baffle 6, the positions of the two rectangular holes are corresponding, scale marks are arranged on the outer side of the rectangular holes, a clamping rod seat 11 is fixed on the fixed baffle at the top of the rectangular holes, a clamping rod 3 can slide in the clamping rod seat through the clamping rod seat, a screw 12 is tightly propped against the clamping rod through the clamping rod seat, the probe of a sound wave detector is clamped into the rectangular holes of the fixed baffle and the movable baffle, the probe can move up and down and be, the probes at the two ends are ensured to be at the same height, and the scale of the scale mark is accurate to 1 mm. Meanwhile, the probe surface and the movable baffle are on the same plane, and the distance between the fixed baffle and the movable baffle is ensured to be the length of the tested piece.
Indoor test piece wave speed test fixing device, test piece draw-in groove are interior fixed stop, adjustable fender and connect at least three cylindricality pole between fixed stop and adjustable fender and constitute, are provided with the scale on the cylindricality pole of the outside, as shown in figure 4, the equal fixed mounting of one end of cylindricality pole is on fixed stop, as shown in figure 5 and figure 7, and the other end is provided with the recess, is provided with the arch of card in the cylindricality pole recess on the adjustable fender, and adjustable fender can slide in the recess, still be provided with the steel ball between the arch on the recess of cylindricality pole and the adjustable fender.
As shown in fig. 7, the groove is an arc-shaped groove, the protrusion is an arc-shaped protrusion, and the steel ball is respectively tangent to the groove of the cylindrical rod and the protrusion on the movable baffle.
The utility model discloses the cover is equipped with elastomeric element on the cylindricality pole in the adjustable fender outside, is provided with adjusting nut on the cylindricality pole of elastomeric element tip, elastomeric element is the spring.
As shown in fig. 1-3 and fig. 6, the cylindrical rod between the elastic component and the adjusting nut is further sleeved with an outer baffle 8, the outer baffle is slidably connected with the cylindrical rod, and the specific connection relationship of the outer baffle and the cylindrical rod is the same as that of the movable baffle and the cylindrical rod.
The utility model discloses the cylindricality pole is provided with four, and two bottom member 4 and two upper portion members 5 form isosceles trapezoid, make things convenient for in the test piece card of different type sizes advances the draw-in groove.
The utility model discloses whole adjustable support sill bar 1 height-adjusting through the both ends of cylindricality pole, adjustable support pole top and cylindricality pole threaded connection, adjustable support pole are by a plurality of bracing piece card covers constitute together, and are provided with the sucking disc in the bottom, can make whole device fix subaerial firmly.
The utility model discloses a whole device is similar to dry battery groove, constitutes the kerve by the cylindrical slender rod of a plurality of area recess on being in the coplanar. Scales are arranged on the outer side of the outermost rod and are accurate to 1mm, and the length of a rod piece of the device is larger than 130 mm; two ends of the rigid baffle are respectively provided with a rigid baffle, one end of the rigid baffle is a fixed plate, and the inner side of the rigid baffle is the starting point of the measuring tape; the other end of the clamping groove is provided with two baffles which can move horizontally along the rod, wherein the outer side baffle can be fixed on the cylindrical rod of the clamping groove through an adjusting nut, and the movable baffle is connected with the outer side baffle through a spring and keeps parallel to the outer side baffle. The lower end of the movable baffle is made into a trapezoidal structure, the stability of the movable baffle during testing can be ensured, the movable baffle and the slidable parts of the four cylindrical rods with grooves at the lower ends in the clamping grooves can form an omega-shaped structure, steel balls are added into the space between the movable baffle and the clamping grooves, the grooves of the cylindrical rods are tangent to the steel balls, the upper end sunken part of the convex part of the inner side baffle is tangent to the steel balls, and a lubricant can be added into the residual space of the upper end sunken part, so that the steel balls are fixed in the grooves and move. The structure can bear load, further enhance the stability of the inner side baffle, realize radial sliding under smaller resistance and reduce loss.
When the core samples or test pieces with similar lengths are tested in batch, the outer side baffle 8 is moved to a proper position according to the deformation range of the spring 7, so that the spring 7 is always in a compressed state, and the outer side baffle 8 is fixed through the adjusting nut 9, so that the batch test can be carried out; when carrying out the test of the core appearance or the test piece that differ greatly, less core appearance or test piece can be placed on middle bottom member 4, and great core appearance or test piece can be placed on the draw-in groove that bottom member 4 and upper portion member 5 are constituteed, according to spring 7's deformation range, moves outside baffle 8 to suitable position, makes spring 7 be in compression state all the time, through the fixed outside baffle 8 of adjusting nut 9, can test.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, the present invention is not limited by the foregoing embodiments, and a plurality of changes and modifications can be made without departing from the overall concept of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides an indoor test piece wave speed test fixing device, includes the test piece draw-in groove, its characterized in that: one end of the test piece clamping groove is a fixed baffle, the other end of the test piece clamping groove is a movable baffle, an elastic part is arranged on the outer side of the movable baffle, and an adjusting nut is installed at the end part of the elastic part.
2. The indoor test piece wave speed test fixing device of claim 1, characterized in that: and rectangular holes for accommodating the probes are formed in the fixed baffle and the movable baffle, and the positions of the two rectangular holes are corresponding.
3. The indoor test piece wave speed test fixing device of claim 2, characterized in that: the outside in rectangular hole is provided with the scale mark, and the kelly seat is fixed on the fixed stop at rectangular hole top, and the kelly passes the kelly seat and can slide in the kelly seat, and the screw passes the kelly seat and pushes up tightly on the kelly.
4. The indoor test piece wave speed test fixing device of claim 1, characterized in that: the test piece draw-in groove is that interior fixed stop, adjustable fender and connect at least three cylindricality pole between fixed stop and adjustable fender and constitute, is provided with the scale on the cylindricality pole in the outside, and the equal fixed mounting of one end of cylindricality pole is on fixed stop, and the other end is provided with the recess, and adjustable fender is last to be provided with the arch of card in going into cylindricality pole recess, and adjustable fender can slide in the recess.
5. The indoor test piece wave speed test fixing device of claim 4, characterized in that: and a steel ball is also arranged between the groove of the cylindrical rod and the protrusion on the movable baffle.
6. The indoor test piece wave speed test fixing device of claim 5, characterized in that: the groove is an arc-shaped groove, the protrusion is an arc-shaped protrusion, and the steel balls are respectively tangent to the groove of the cylindrical rod and the protrusion on the movable baffle.
7. The indoor test piece wave speed test fixing device of claim 4, characterized in that: the cylindrical rod outside the movable baffle is sleeved with an elastic component, and the cylindrical rod at the end part of the elastic component is provided with an adjusting nut.
8. The indoor test piece wave speed test fixing device of claim 7, characterized in that: the elastic member is a spring.
9. The indoor test piece wave speed test fixing device according to any one of claims 4 to 8, characterized in that: an outer side baffle is further sleeved on the cylindrical rod between the elastic component and the adjusting nut, and the outer side baffle is in sliding connection with the cylindrical rod.
10. The indoor test piece wave speed test fixing device of claim 9, characterized in that: the two ends of the cylindrical rod are supported on the adjustable supporting bottom rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082327.2U CN210487689U (en) | 2019-07-11 | 2019-07-11 | Indoor test piece wave speed test fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082327.2U CN210487689U (en) | 2019-07-11 | 2019-07-11 | Indoor test piece wave speed test fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210487689U true CN210487689U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921082327.2U Active CN210487689U (en) | 2019-07-11 | 2019-07-11 | Indoor test piece wave speed test fixing device |
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| Country | Link |
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| CN (1) | CN210487689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034047A (en) * | 2020-08-20 | 2020-12-04 | 海南大学 | Rock sample wave speed test auxiliary fixture |
-
2019
- 2019-07-11 CN CN201921082327.2U patent/CN210487689U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034047A (en) * | 2020-08-20 | 2020-12-04 | 海南大学 | Rock sample wave speed test auxiliary fixture |
| CN112034047B (en) * | 2020-08-20 | 2022-01-18 | 海南大学 | Rock sample wave speed test auxiliary fixture |
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