CN210513910U - Experimental anchor clamps of using of big specification bolt, screw rod and nut - Google Patents
Experimental anchor clamps of using of big specification bolt, screw rod and nut Download PDFInfo
- Publication number
- CN210513910U CN210513910U CN201921233165.8U CN201921233165U CN210513910U CN 210513910 U CN210513910 U CN 210513910U CN 201921233165 U CN201921233165 U CN 201921233165U CN 210513910 U CN210513910 U CN 210513910U
- Authority
- CN
- China
- Prior art keywords
- clamping seat
- centering
- nut
- cushion block
- positioning clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to an anchor clamps for test of big specification bolt, screw rod and nut belongs to the experimental anchor clamps field of machine part. The centering device comprises a centering cushion block, a connecting rod, a centering clamping seat, a connecting cylinder, a connecting sleeve and a positioning clamping seat; one surface of the centering cushion block is a protruding arc surface, the other surface of the centering cushion block is provided with a positioning clamping groove, and a straight hole is formed in the middle of the centering cushion block; the section of the centering clamping seat is in an inverted trapezoid shape, a through hole is formed in the middle of the centering clamping seat, and one surface of the centering clamping seat is a concave arc surface; the connecting rod sequentially penetrates through the centering cushion block and the centering clamping seat and is connected with one end of the connecting cylinder; the other end of the connecting cylinder is connected with the periphery of the connecting sleeve, and a positioning clamping seat is arranged below the connecting sleeve; and a positioning clamping groove is formed in the positioning clamping seat. Anchor clamps solved the difficulty on frock hoist and mount and the sample installation well, solved the problem that one set of frock can only correspond a specification bolt simultaneously.
Description
Technical Field
The utility model relates to an anchor clamps for test of big specification bolt, screw rod and nut belongs to the experimental anchor clamps field of machine part.
Background
In the prior art, large-specification bolts, screws and nuts with the specification of M30-M64 have high requirements on test tools due to high test force, the conventional vertical tensile testing machine cannot meet the requirements on the test force and the test space, the hoisting of the test tools and the installation of samples are troublesome for a horizontal tensile testing machine, and the test efficiency is greatly reduced;
in view of the above reasons, aiming at the horizontal tensile testing machine, the clamp system for the test aiming at the large-specification bolts, the screw rods and the nuts is designed and researched, the difficulty in tool hoisting and sample installation can be solved by the clamp system, the problem that one set of tool can only correspond to one specification of bolt can be solved, and the clamp system is urgently required by the society.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that proposes in the above-mentioned background problem, provide an experimental anchor clamps of using of big specification bolt, screw rod and nut, it has solved big specification bolt, screw rod and nut (especially M30~ M64's big specification bolt, screw rod and nut) well and has hoisted and the sample installation the difficulty, has solved the problem that one set of frock can only correspond a specification bolt simultaneously.
The purpose of the utility model is realized like this: a test fixture for large-size bolts, screws and nuts comprises a centering cushion block, a connecting rod, a centering clamping seat, a connecting cylinder, a connecting sleeve and a positioning clamping seat;
one surface of the centering cushion block is a protruding arc surface, the other surface of the centering cushion block is provided with a positioning clamping groove, and a straight hole is formed in the middle of the centering cushion block;
the section of the centering clamping seat is in an inverted trapezoid shape, a through hole is formed in the middle of the centering clamping seat, and one surface of the centering clamping seat is a concave arc surface;
the connecting rod sequentially penetrates through the centering cushion block and the centering clamping seat and is connected with one end of the connecting cylinder;
the other end of the connecting cylinder is connected with the periphery of the connecting sleeve, and a positioning clamping seat is arranged below the connecting sleeve;
and a positioning clamping groove is formed in the positioning clamping seat.
The connecting rod bottom sets up the external screw thread, connecting cylinder one end be provided with connecting rod bottom external screw thread assorted internal thread.
The periphery of the connecting sleeve is provided with external threads, the inner side of the connecting sleeve is provided with internal threads, and the other end of the connecting cylinder is provided with internal threads matched with the external threads on the periphery of the connecting sleeve.
And the bottom side of the positioning clamping seat is provided with an inclined cushion block, the inclined cushion block is provided with a round hole matched with the bolt sample or the screw rod in shape and diameter, and the bolt sample or the screw rod sample sequentially penetrates through the inclined cushion block and the positioning clamping seat and is connected with the internal thread of the connecting sleeve.
The bottom side of the positioning clamping seat is provided with a flat cushion block, the flat cushion block is provided with a round hole matched with the diameter of the double-end connecting rod, one end of the double-end connecting rod sequentially penetrates through the flat cushion block and the positioning clamping seat and is connected with the connecting sleeve, and the nut sample is installed at the other end of the double-end connecting rod.
The double-end connecting rod is provided with the external screw thread that matches with the inboard internal thread of adapter sleeve on the link with the adapter sleeve, the double-end connecting rod other end is provided with the external screw thread that matches with the nut sample internal thread.
The double-end connecting rod is wholly composed of narrow wide cylinder in the middle of both ends, through chamfer smooth transition between narrow cylinder and the wide cylinder.
The connecting rod comprises the short cylinder at top and the long cylinder at bottom, and short cylinder diameter is greater than long cylinder, and long cylinder bottom sets up the external screw thread.
The positioning clamping groove on the positioning clamping seat is composed of three sections of round holes, the three sections of round holes are a first round hole, a second round hole and a third round hole in sequence, the diameter of the first round hole is larger than that of the third round hole, and the diameter of the third round hole is larger than that of the second round hole.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses an experimental anchor clamps of using of big specification bolt, screw rod and nut, fundamentally has solved big specification bolt, screw rod and nut (especially M30~ M64 big specification bolt, screw rod and nut) and has adorned the problem of hoist and mount difficulty and sample installation difficulty on horizontal tensile testing machine, and design simple structure, convenient to use.
Drawings
Fig. 1 is the utility model relates to a structural schematic diagram of the experimental anchor clamps of using of big specification bolt, screw rod and nut, wherein:
1. centering the cushion block; 2. a connecting rod; 3. centering the clamping seat; 4. positioning the card holder; 5. a connecting cylinder; 6. connecting sleeves; 7. a double-ended connecting rod; 8. and (4) a flat cushion block.
Fig. 2 is the utility model relates to a centering cushion block structural schematic diagram of the experimental anchor clamps of using of big specification bolt, screw rod and nut.
Fig. 3 is the utility model relates to a connecting rod structure sketch map of the experimental anchor clamps of big specification bolt, screw rod and nut.
Fig. 4 is the utility model relates to a centering cassette structure sketch map of experimental anchor clamps of big specification bolt, screw rod and nut.
Fig. 5 is the structural schematic diagram of the positioning clamping seat of the test fixture for large-specification bolts, screws and nuts.
Fig. 6 is a schematic structural view of the connecting cylinder of the experimental fixture for large-sized bolts, screws and nuts.
Fig. 7 is a front view of the connecting sleeve structure of the experimental fixture for large-sized bolts, screws and nuts.
Fig. 8 is a top view of the connecting sleeve structure of the experimental fixture for large-sized bolts, screws and nuts.
Figure 9 is the utility model discloses a double-end connecting rod structure sketch map of experimental anchor clamps of big specification bolt, screw rod and nut.
Fig. 10 is a front view of the flat pad structure of the test fixture for large-sized bolts, screws and nuts according to the present invention.
Fig. 11 is a top view of the flat pad structure of the test fixture for large-sized bolts, screws and nuts of the present invention.
Fig. 12 is a schematic structural view of another embodiment of the test fixture for large-sized bolts, screws and nuts according to the present invention, wherein:
9. and a wedge block.
Fig. 13 is a front view of the oblique cushion block of the test fixture for large-sized bolts, screws and nuts.
Fig. 14 is a top view of the inclined cushion block of the test fixture for large-sized bolts, screws and nuts according to the present invention.
Detailed Description
The invention is described below with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 11, the test fixture for the large-size bolts, screws and nuts comprises a centering cushion block 1, a connecting rod 2, a centering clamping seat 3, a connecting cylinder 5, a connecting sleeve 6 and a positioning clamping seat 4;
one surface of the centering cushion block 1 is a protruding arc surface, the other surface is provided with a positioning clamping groove, and a straight hole is formed in the middle of the positioning clamping groove;
the section of the centering clamping seat 3 is in an inverted trapezoid shape, a through hole is formed in the middle of the centering clamping seat, and one surface of the centering clamping seat is a concave arc surface;
the connecting rod 2 sequentially penetrates through the centering cushion block 1 and the centering clamping seat 3 and is connected with one end of the connecting cylinder 5;
the other end of the connecting cylinder 5 is connected with the periphery of a connecting sleeve 6, and a positioning clamping seat 4 is also arranged below the connecting sleeve 6;
and a positioning clamping groove is formed in the positioning clamping seat 4.
The bottom of the connecting rod 2 is provided with an external thread, and one end of the connecting cylinder 5 is provided with an internal thread matched with the external thread at the bottom of the connecting rod 2.
The periphery of the connecting sleeve 6 is provided with external threads, the inner side of the connecting sleeve is provided with internal threads, and the other end of the connecting cylinder 5 is provided with internal threads matched with the external threads on the periphery of the connecting sleeve 6.
In this embodiment, when the nut guarantees the load test, the bottom side of the positioning clamping seat 4 is provided with a flat cushion block 8, the flat cushion block 8 is provided with a round hole matched with the diameter of the double-end connecting rod 7, one end of the double-end connecting rod 7 sequentially penetrates through the flat cushion block 8 and the positioning clamping seat 4 and is connected with the connecting sleeve 6, and the nut sample is installed at the other end of the double-end connecting rod 7.
The double-end connecting rod 7 is provided with the external screw thread that matches with the inboard internal thread of adapter sleeve 6 on the connecting end with adapter sleeve 6, the double-end connecting rod 7 other end is provided with the external screw thread that matches with the nut sample internal thread.
The double-end connecting rod 7 is integrally composed of two narrow cylinders at two ends and a wide middle part, and the narrow cylinder and the wide cylinder are in smooth transition through chamfers.
The connecting rod 2 is composed of a short column body at the top and a long column body at the bottom, the diameter of the short column body is larger than that of the long column body, and an external thread is arranged at the bottom of the long column body.
The positioning clamping groove on the positioning clamping seat 4 is composed of three sections of round holes, the three sections of round holes are a first round hole, a second round hole and a third round hole in sequence, the diameter of the first round hole is larger than that of the third round hole, and the diameter of the third round hole is larger than that of the second round hole.
As shown in fig. 12 to 14, in another embodiment, during the wedge load test, a tapered pad block 9 is disposed on the bottom side of the positioning clamping seat 4, a circular hole matched with the bolt sample or the screw rod in shape and diameter is disposed on the tapered pad block 9, and the bolt sample or the screw rod sample sequentially passes through the tapered pad block 9 and the positioning clamping seat 4 and is connected with the internal thread of the connecting sleeve 6.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides an experimental anchor clamps of using of big specification bolt, screw rod and nut which characterized in that: the centering device comprises a centering cushion block (1), a connecting rod (2), a centering clamping seat (3), a connecting cylinder (5), a connecting sleeve (6) and a positioning clamping seat (4);
one surface of the centering cushion block (1) is a protruding arc surface, the other surface is provided with a positioning clamping groove, and a straight hole is formed in the middle of the positioning clamping groove;
the section of the centering clamping seat (3) is in an inverted trapezoid shape, a through hole is formed in the middle of the centering clamping seat, and one surface of the centering clamping seat is a concave arc surface;
the connecting rod (2) sequentially penetrates through the centering cushion block (1) and the centering clamping seat (3) and is connected with one end of the connecting cylinder (5);
the other end of the connecting cylinder (5) is connected with the periphery of the connecting sleeve (6), and a positioning clamping seat (4) is arranged below the connecting sleeve (6);
and a positioning clamping groove is formed in the positioning clamping seat (4).
2. The large format bolt, screw and nut trial clamp of claim 1, wherein: the bottom of the connecting rod (2) is provided with an external thread, and one end of the connecting cylinder (5) is provided with an internal thread matched with the external thread at the bottom of the connecting rod (2).
3. The large format bolt, screw and nut trial clamp of claim 1, wherein: the periphery of the connecting sleeve (6) is provided with external threads, the inner side of the connecting sleeve is provided with internal threads, and the other end of the connecting cylinder (5) is provided with internal threads matched with the external threads on the periphery of the connecting sleeve (6).
4. The large format bolt, screw and nut trial clamp of claim 1, wherein: the bottom side of the positioning clamping seat (4) is provided with an inclined cushion block (9), the inclined cushion block (9) is provided with a round hole matched with the bolt sample or the screw rod in shape and diameter, and the bolt sample or the screw rod sample sequentially penetrates through the inclined cushion block (9) and the positioning clamping seat (4) and is connected with the internal thread of the connecting sleeve (6).
5. The large format bolt, screw and nut trial clamp of claim 1, wherein: the bottom side of the positioning clamping seat (4) is provided with a flat cushion block (8), the flat cushion block (8) is provided with a round hole matched with the diameter of the double-end connecting rod (7), one end of the double-end connecting rod (7) sequentially penetrates through the flat cushion block (8) and the positioning clamping seat (4) and is connected with the connecting sleeve (6), and the nut sample is installed at the other end of the double-end connecting rod (7).
6. The large format bolt, screw and nut trial clamp of claim 5, wherein: the double-end connecting rod (7) is provided with the external screw thread that matches with the inboard internal thread of adapter sleeve (6) on the link with adapter sleeve (6), the double-end connecting rod (7) other end is provided with the external screw thread that matches with the nut sample internal thread.
7. The large format bolt, screw and nut trial clamp of claim 6, wherein: the double-end connecting rod (7) is integrally composed of narrow cylinders at two ends and wide in the middle, and the narrow cylinders and the wide cylinders are in smooth transition through chamfers.
8. The large format bolt, screw and nut trial clamp of claim 1, wherein: the connecting rod (2) is composed of a short column body at the top and a long column body at the bottom, the diameter of the short column body is larger than that of the long column body, and an external thread is arranged at the bottom of the long column body.
9. The large format bolt, screw and nut trial clamp of claim 1, wherein: the positioning clamping groove on the positioning clamping seat (4) is composed of three sections of round holes, the three sections of round holes are a first round hole, a second round hole and a third round hole in sequence, the diameter of the first round hole is larger than that of the third round hole, and the diameter of the third round hole is larger than that of the second round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921233165.8U CN210513910U (en) | 2019-08-01 | 2019-08-01 | Experimental anchor clamps of using of big specification bolt, screw rod and nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921233165.8U CN210513910U (en) | 2019-08-01 | 2019-08-01 | Experimental anchor clamps of using of big specification bolt, screw rod and nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210513910U true CN210513910U (en) | 2020-05-12 |
Family
ID=70587002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921233165.8U Active CN210513910U (en) | 2019-08-01 | 2019-08-01 | Experimental anchor clamps of using of big specification bolt, screw rod and nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210513910U (en) |
-
2019
- 2019-08-01 CN CN201921233165.8U patent/CN210513910U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206531724U (en) | A kind of titanium alloy auricle fatigue test clamper | |
| CN207779832U (en) | Multi-functional pre-buried channel flow shearing test tooling | |
| CN204964294U (en) | No flaring tubing assembly joint strength test fixture | |
| CN210513910U (en) | Experimental anchor clamps of using of big specification bolt, screw rod and nut | |
| CN208297242U (en) | Sandwich structure core shearing property testing device | |
| CN201792266U (en) | Fixture for grinding spherical gasket | |
| CN204461894U (en) | Ribbed Bar anti-fatigue test fixture | |
| CN102205502A (en) | Pneumatic fixture for ear bores of forks | |
| CN104374563B (en) | Auxiliary cushion block for connecting rod fatigue test | |
| CN2419721Y (en) | Anti-skid cable dip | |
| CN112296904A (en) | Clamp for clamping engine cylinder body | |
| CN208976867U (en) | A kind of auxiliary centering long stroke frock clamp | |
| CN112296698A (en) | Engine cylinder body adds clamping apparatus | |
| CN213381100U (en) | Product fixing clamp | |
| CN2466836Y (en) | Special conic wire clamping board for transmission and distribution lines | |
| CN201120557Y (en) | Clamper for thread repair for oil cylinder adjusting bolt | |
| CN218081536U (en) | Large-diameter cylindrical part radial symmetrical hole machining tool | |
| CN220427526U (en) | Clamping device for turning connecting rod of marine diesel engine | |
| CN214040935U (en) | Device for high-strength screw tensile test | |
| CN205720324U (en) | Circuit filth test insulator fixing device | |
| CN209078326U (en) | Cylinder body fixture | |
| CN212179846U (en) | Detection device for automobile upper cover | |
| CN208721036U (en) | Tool for three coordinate measurement of heavy truck reducing gearbox | |
| CN109175425B (en) | Auxiliary centering long-stroke tool fixture | |
| CN212946232U (en) | Car welds clamping apparatus locating pin mounting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |