CN215218033U

CN215218033U - Single bolt test fixture

Info

Publication number: CN215218033U
Application number: CN202121375416.3U
Authority: CN
Inventors: 许经纬; 张书山; 丁华勇; 谢浩俊; 陈云
Original assignee: Changzhou Wmc Detection Technology Co ltd
Current assignee: Changzhou Wmc Detection Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-17
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to a single bolt test fixture, including base, lower anchor clamps and last anchor clamps, lower anchor clamps are installed the surface of base, it is located to go up anchor clamps the top of anchor clamps down, it includes guide post, pretension ring and thread bush to go up anchor clamps, the top of guide post does the pretension ring, the pretension ring is two, and two the longitudinal section after the pretension ring expandes is right trapezoid, the top of pretension ring is the thread bush. The utility model discloses can improve the bolt more stable when the installation, difficult emergence is rocked in the testing process, improves the effect of testing result's precision.

Description

Single bolt test fixture

Technical Field

The utility model belongs to the technical field of the check out test set technique and specifically relates to a single bolt test fixture is related to.

Background

The environmental test is a test for simulating various equipment and parts under the environmental condition in actual working, and the working state and the fatigue resistance of the equipment under the actual working condition are judged through the test. The environment comprises a mechanical environment, a climate environment and a meteorological environment, the mechanical environment refers to various mechanical environments such as vibration, impact, swing and the like, the climate environment refers to a high-temperature environment, a low-temperature environment, a humidity environment and the like, and the meteorological environment refers to illumination, low air pressure, mold, salt fog and the like.

Wind power generation blade is in the use, and the stability that the blade root of its afterbody is connected with equipment influences the life of equipment, and current detection device is when detecting, directly carries out the fixed test with the blade root through the bolt, and it is in the testing process, generally carries out the thread tightening to the bolt through the thread bush, nevertheless because there is certain clearance between the screw, when detecting, causes wearing and tearing after the frequent friction between the two, influences the precision of test result.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a detect the higher single bolt test fixture of precision.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a single bolt test fixture, includes base, lower anchor clamps and goes up anchor clamps, lower anchor clamps are installed the surface of base, it is located to go up anchor clamps the top of anchor clamps down, it includes guide post, pretension ring sum thread bush to go up anchor clamps, the top of guide post does the pretension ring, the pretension ring is two, and two the longitudinal section after the pretension ring expandes is right trapezoid, the top of pretension ring is the thread bush.

Through adopting above-mentioned technical scheme, when assembling, after passing guide post and pretension ring with the one end of bolt, rotate and install the inside at the thread bush, then utilize the longitudinal section after the expansion to be right trapezoid's pretension ring and rotate, take place the dislocation between the two to guarantee not have the clearance between bolt and the thread bush, in the testing process, relative displacement can not take place for both, thereby provide the precision of testing result.

The present invention may be further configured in a preferred embodiment as: and the outer parts of the threaded sleeve and the guide column are respectively provided with a pre-tightening disassembly disc.

Through adopting above-mentioned technical scheme, the installation and the fixed between convenient thread bush and the guide post of pretension detaching disc conveniently use.

The present invention may be further configured in a preferred embodiment as: the outside of thread bush is provided with horizontal splint, the top of thread bush is provided with lock nut.

Through adopting above-mentioned technical scheme, horizontal splint and lock nut can carry out the secondary to thread bush and screw rod and consolidate, further improve the stability of connecting between the two.

The present invention may be further configured in a preferred embodiment as: and a cushion block is arranged between the pre-tightening ring and the guide post, and a jacking disc is arranged outside the pre-tightening ring.

Through adopting above-mentioned technical scheme, the cushion can avoid the pretension ring directly to contact with the guide post, causes wearing and tearing, influences the normal use of frock, and the tight dish in top is great with pretension disassembly disc area of contact, and the atress is more stable, the adjustment of being convenient for more.

The present invention may be further configured in a preferred embodiment as: the lower clamp comprises a group of symmetrically arranged clamping blocks, and a plurality of threaded holes which are arranged in a penetrating mode are formed in the surfaces of the clamping blocks.

Through adopting above-mentioned technical scheme, utilize the screw hole to carry out centre gripping fixed to the fan blade of the other end of bolt, stability is better.

The present invention may be further configured in a preferred embodiment as: the top of the clamping block is provided with a plurality of kidney-shaped holes which are arranged in a penetrating mode, the surface of the base is provided with a T-shaped groove, and the T-shaped groove is perpendicular to the kidney-shaped holes.

Through adopting above-mentioned technical scheme, fastening bolt and nut are placed respectively to the inside in waist type hole and T-slot, consolidate, and convenient adjustment interval is connected stability moreover and is higher.

The present invention may be further configured in a preferred embodiment as: and four corners of the base are provided with installation guide posts.

Through adopting above-mentioned technical scheme, the installation guide pillar can be convenient for the frock and install the surface of drive arrangement, and connection stability is higher.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the technical scheme that the upper clamp is composed of the guide post, the pre-tightening ring and the threaded sleeve is adopted, so that the effects that the bolt is more stable during installation, the bolt is not easy to shake in the detection process, and the precision of the detection result is improved are improved;

2. the technical scheme that the locking nut and the horizontal clamping plate are used for reinforcing the threaded sleeve is adopted, so that the connection stability between the bolt and the threaded sleeve can be further improved, and the effect of the precision of a detection result is ensured;

3. the technical scheme of the clamping block with the waist-shaped groove and the T-shaped groove and the base is adopted, so that the bottom of the spline can be clamped and fixed conveniently, and the clamping block is convenient to adjust and convenient to use.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an exploded view of the lower clamp in this embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a of fig. 1.

Fig. 4 is a schematic view showing the developed structure of the preload ring in this embodiment.

The reference numbers in the drawings are:

1. a base; 11. a T-shaped slot; 12. mounting a guide pillar; 2. a lower clamp; 21. a clamping block; 22. a threaded hole; 23. a kidney-shaped hole; 3. an upper clamp; 31. a guide post; 32. pre-tightening the ring; 33. a threaded sleeve; 34. pre-tightening the disassembling disc; 35. a horizontal clamping plate; 36. locking the nut; 37. cushion blocks; 38. tightly pushing the disc; 4. the bolt body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-4, in order to disclose a single bolt testing tool of the present invention, the tool comprises a base 1, a lower clamp 2 and an upper clamp 3, wherein the lower clamp 2 is installed on the surface of the base 1, and the upper clamp 3 is located above the lower clamp 2;

go up anchor clamps 3 and include guide post 31, pretension ring 32 and thread bush 33, the top of guide post 31 is pretension ring 32, pretension ring 32 is two, and the longitudinal section after two pretension rings 32 expand is right trapezoid, the top of pretension ring 32 is thread bush 33, thread bush 33 all is provided with pretension disassembly disc 34 with the outside of guide post 31, the outside of thread bush 33 is provided with horizontal splint 35, the top of thread bush 33 is provided with lock nut 36, be provided with cushion 37 between pretension ring 32 and the guide post 31, and the outside of pretension ring 32 is provided with top tight dish 38. When using, the bolt body 4 passes through the guide post 31 and the inside at the thread bush 33 at the screw thread behind the pretension ring 32, and utilize the pretension ring 32 to rotate, support the tight back with the screw thread clearance between bolt body 4 and the thread bush 33, lock nut 36 and fix, avoid bolt body 4 to reset, and dismantle dish 34 through the tight dish 38 of top and outside pretension and remove, its area of contact is great, transmission efficiency is higher, be convenient for remove, and carry out the secondary through horizontal splint 35 to the thread bush 33 and fix, improve the stability of connecting, avoid in the testing process, take place the shake, improve and detect the precision.

Lower fixture 2 includes the clamp splice 21 of a set of symmetry setting, and the screw hole 22 that a plurality of link up the setting is seted up on the surface of clamp splice 21, and the kidney type hole 23 that a plurality of link up the setting is seted up at the top of clamp splice 21, and the surface of base 1 has seted up T-slot 11, and T-slot 11 sets up with kidney type hole 23 is perpendicular. After the bottom of the bolt body 4 is placed inside the clamping block 21, the fastening bolt is inserted through the kidney-shaped hole 23 and into the narrower side of the T-shaped groove 11, and the fastening nut is placed on the wider side of the T-shaped groove 11, and after centering, the fastening nut and the fastening bolt are locked and fixed, and then the fastening bolt is used to pass through the inside of the threaded hole 22 for fixing, so that the stability is higher.

The four corners of base 1 all is provided with installation guide pillar 12, and under the cooperation of installation guide pillar 12, the convenient tool and outside drive device be connected, conveniently detect, and connection stability is higher.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a single bolt test fixture, includes base (1), lower anchor clamps (2) and goes up anchor clamps (3), its characterized in that: lower jig (2) is installed the surface of base (1), it is located to go up anchor clamps (3) the top of lower jig (2), it includes guide post (31), pretension ring (32) and thread bush (33) to go up anchor clamps (3), the top of guide post (31) is pretension ring (32), pretension ring (32) are two, and two the longitudinal section after pretension ring (32) expand is right trapezoid, the top of pretension ring (32) is thread bush (33).

2. The single bolt testing tool according to claim 1, characterized in that: and pre-tightening disassembly discs (34) are arranged outside the threaded sleeve (33) and the guide column (31).

3. The single bolt testing tool according to claim 1, characterized in that: the outside of thread bush (33) is provided with horizontal splint (35), the top of thread bush (33) is provided with lock nut (36).

4. The single bolt testing tool according to claim 2, characterized in that: a cushion block (37) is arranged between the pre-tightening ring (32) and the guide column (31), and a jacking disc (38) is arranged outside the pre-tightening ring (32).

5. The single bolt testing tool according to claim 1, characterized in that: the lower clamp (2) comprises a group of symmetrically arranged clamping blocks (21), and a plurality of threaded holes (22) which are arranged in a penetrating mode are formed in the surface of each clamping block (21).

6. The single bolt testing tool according to claim 5, characterized in that: the top of the clamping block (21) is provided with a plurality of waist-shaped holes (23) which are arranged in a penetrating mode, the surface of the base (1) is provided with a T-shaped groove (11), and the T-shaped groove (11) is perpendicular to the waist-shaped holes (23).

7. The single bolt testing tool according to claim 1, characterized in that: four corners of the base (1) are provided with mounting guide posts (12).