CN215004789U

CN215004789U - Fixed position frock

Info

Publication number: CN215004789U
Application number: CN202121411152.2U
Authority: CN
Inventors: 金南辉; 左雄龙; 袁帮杰; 程吉锐; 马斐京
Original assignee: Huizhou Jianwei Technology Co ltd
Current assignee: Huizhou Jianwei Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-03
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a fixed position frock, including frock and indentation analysis appearance, the frock comprises tower fixed subassembly and linking bridge subassembly, tower fixed unit mount in indentation analysis appearance top, linking bridge unit mount in indentation analysis appearance bottom, tower fixed subassembly comprises tower mount, the lag screw that is four arriss platform forms, the pulling force body and the semi-through screw that are the rectangle form, it comprises linking bridge body, fixing bolt and the pull rod of placing test sample to link up the bridge subassembly. This device passes through lag screw and adjusts the position of pulling force body in the second recess, and the laminating degree between rethread pull rod regulation linking pontic and the indentation analysis appearance rifle head to reach the effect of applying the pretightning force to the sample, and can accurate test cylindricality class work piece cambered surface summit position, the pull rod can play spacing effect to linking the pontic simultaneously, makes the test position more accurate, guarantees that the test position is in the peak of pipeline.

Description

Fixed position frock

Technical Field

The utility model belongs to the technical field of the frock and specifically relates to a fixed position frock.

Background

At present, the mechanical property detection of metal materials in China generally adopts a standard experiment machine to perform mechanical experiments on sample-made samples, and in-situ tests and micro-damage tests of workpieces are in a continuous searching stage.

Some indentation instruments developed at home and abroad can realize the mechanical property of metal materials for in-situ detection of workpieces, and corresponding indentation instruments are generally provided with adaptive tools of various styles, so that different tools are needed for matching measurement due to different shapes and working conditions of the workpieces, but the emphasis points among different tools are different. For example, there are many tools similar to those for testing pipes or flat small parts, but there is a deviation in the position of the probe aligned with the test point, resulting in that the highest vertex of the pipe is not measured on the outer wall of the test pipe.

Therefore, a fixed-position tool is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed position frock to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fixed position frock, includes frock and indentation analysis appearance, the frock comprises tower fixed subassembly and linking bridge subassembly, tower fixed subassembly is installed in indentation analysis appearance top, linking bridge subassembly is installed in indentation analysis appearance bottom, tower fixed subassembly comprises tower mount, lag screw, the pulling force body and the semi-through core screw that are the rectangular prism platform form that are the quadrangular frustum of a prism shape, linking bridge subassembly comprises linking bridge, fixing bolt and the pull rod of placing test sample.

In a further embodiment, the tower-type fixing frame is fixed on the top surface of the indentation analyzer through bolts, the top surface of the indentation analyzer is matched with a circular groove formed in the bottom surface of the tower-type fixing frame through a convex ball screw, a first groove with a rectangular longitudinal section is transversely formed in the left and right of the tower-type fixing frame, a second groove with a V-shaped longitudinal section is formed in the bottom surface of the tower-type fixing frame, and the effect is that: the tower-type fixing frame is a structure which is directly fixed with the indentation analyzer in the tool, has an auxiliary fixing structure, and is very simple and convenient to assemble and disassemble.

In a further embodiment, the pulling force body is movably connected inside the second groove, the pulling force screw is sequentially in threaded connection with a threaded hole in the top of the tower-type fixing frame and a threaded hole formed in the center of the top of the pulling force body, first threaded holes are symmetrically formed in the left side and the right side of the pulling force body, a half-through screw is installed inside the first threaded hole, a threaded layer connected with the first threaded holes is arranged in the middle of a screw rod of the half-through screw, an internal threaded hole is formed in the bottom surface of the screw rod of the half-through screw, and the effect is that: the structure can apply pre-tightening force to the sample by lifting the tension screw.

In a further embodiment, link up the bridge outer wall top surface and offer the third recess that longitudinal section is "V" shape, link up bridge outer wall bottom surface is the planishing face, link up the bridge left and right sides symmetry and offered the circular arc thread groove, fixing bolt runs through the through-hole and the mutual threaded connection of circular arc thread groove offered in pull rod one end, the threaded connection pole that is connected with the internal thread hole is installed to the pull rod other end, and the effect is: the two sides of the connecting bridge body can be used, one side can be used for holding a cylindrical test sample, and the other side is a plane and can be used for holding a microminiature test sample.

In a further embodiment, the tie rods are symmetrically distributed about the left and right sides of the adapter bridge, with the effect of: the pull rod enables the gun head of the indentation analyzer to be in a relatively fixed position, and the test sample and the indentation analyzer are guaranteed to be always in a stable state in the testing process.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device can clamp a cylindrical test piece by arranging the connecting bridge body, if a tiny test sample needs to be clamped, one side of the connecting bridge body can be rotated, and one side of the plane and the indentation analyzer clamp the test piece, so that the cylindrical piece and the small flat piece can be fixed more stably;

2. this device passes through lag screw and adjusts the position of pulling force body in the second recess, and the laminating degree between rethread pull rod regulation linking pontic and the indentation analysis appearance rifle head to reach the effect of applying the pretightning force to the sample, and can accurate test cylindricality class work piece cambered surface summit position, the pull rod can play spacing effect to linking the pontic simultaneously, makes the test position more accurate, guarantees that the test position is in the peak of pipeline.

Drawings

FIG. 1 is a schematic diagram of a main body three-dimensional structure of a fixed-position tool;

FIG. 2 is a schematic structural diagram of a main body three-dimensional explosion in a fixed-position tooling;

FIG. 3 is an enlarged view of a portion A of the fixture shown in FIG. 2;

fig. 4 is a schematic structural view of a half-through-core screw in the fixed-position tool.

In the figure: 1. assembling; 2. an indentation analyzer; 3. a tower-type fixing component; 301. a tower-type fixing frame; 3011. a first groove; 3012. a second groove; 302. a lag screw; 303. a tension body; 3031. a first threaded hole; 304. a semi-through core screw; 3041. a threaded layer; 3042. an internally threaded bore; 4. an engagement bridge assembly; 401. connecting the bridge body; 4011. a third groove; 4012. a circular arc thread groove; 402. fixing the bolt; 403. a pull rod; 4031. a threaded connecting rod.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, in an embodiment of the present invention, a fixing position tool, including a tool 1 and an indentation analyzer 2, the tool 1 is composed of a tower-type fixing component 3 and a connecting bridge component 4, the tower-type fixing component 3 is installed at the top of the indentation analyzer 2, the connecting bridge component 4 is installed at the bottom of the indentation analyzer 2, the tower-type fixing component 3 is composed of a tower-type fixing frame 301 in a quadrangular frustum shape, a tension screw 302, a rectangular tension body 303 and a semi-through screw 304, the tower-type fixing frame 301 is fixed at the top surface of the indentation analyzer 2 by a bolt, the top surface of the indentation analyzer 2 is mutually matched with a circular groove set at the bottom surface of the tower-type fixing frame 301 by a convex ball screw, a first groove 3011 with a rectangular longitudinal section is transversely arranged at the left and right of the tower-type fixing frame 301, a second groove 3012 with a V-shaped longitudinal section is set at the bottom surface of the tower-type fixing frame 301, the circular groove at the bottom of the tower-type fixing frame 301 is firstly clamped into the convex ball screw at the top of the indentation analyzer 2 In this way, the tower-type fixing frame 301 is further fixed through the bolts, so that the stability in the installation process can be ensured, and meanwhile, later-stage disassembly is facilitated.

The tension body 303 is movably connected inside the second groove 3012, the tension screw 302 is sequentially in threaded connection with a threaded hole in the top of the tower-type fixing frame 301 and a threaded hole formed in the center of the top of the tension body 303, first threaded holes 3031 are symmetrically formed in the left side and the right side of the tension body 303, a half-through screw 304 is installed inside the first threaded hole 3031, a threaded layer 3041 mutually connected with the first threaded hole 3031 is arranged in the middle of a screw rod of the half-through screw 304, an internal threaded hole 3042 is formed in the bottom surface of the screw rod of the half-through screw 304, the tension body 303 can move up and down inside the second groove 3012, the specific method is to rotate the tension screw 302, so that the tension body 303 is driven to move up and down inside the second groove 3012, the tension body 303 can drive the connecting bridge 401 to move through the pull rod 403, and therefore a pre-tightening force effect is exerted on a sample through the lifting of the tension screw 302.

Referring to fig. 1-4, the connecting bridge assembly 4 is composed of a connecting bridge 401 with a test sample, a fixing bolt 402 and a pull rod 403, a third groove 4011 with a V-shaped longitudinal section is formed on the top surface of the outer wall of the connecting bridge 401, the bottom surface of the outer wall of the connecting bridge 401 is a flat surface, arc thread grooves 4012 are symmetrically formed on the left side and the right side of the connecting bridge 401, the fixing bolt 402 penetrates through a through hole formed in one end of the pull rod 403 and is in threaded connection with the arc thread grooves 4012, a threaded connecting rod 4031 connected with the inner thread hole 3042 is installed at the other end of the pull rod 403, the V-shaped third groove 4011 formed in the top surface of the connecting bridge 401 can clamp the cylindrical test sample, and if a micro test sample is required, the other surface of the connecting bridge 401 can be turned over.

The pull rods 403 are symmetrically distributed about the left side and the right side of the engagement bridge 401, and the pull rods 403 limit the engagement bridge 401 from the left side and the right side, so that the gun head of the indentation analyzer 2 can be always aligned with the engagement bridge 401.

The utility model discloses a theory of operation is:

firstly, a tower-type fixing frame 301 and a tension body 303 sequentially penetrate through a threaded hole in the central position of the upper end of the tower-type fixing frame 301 through a tension screw 302, the two tension body 303 are connected through threads to respectively screw two half-through screws 304 into screw hole positions at the left end and the right end of the tension body 303, then one ends of the pull rods 403 with external threads are respectively screwed into the internal threads on the end surfaces of the half-through screws 304, after connection, an indentation analyzer 2 is placed between the two pull rods 403, so that the tower-type fixing frame 301 can be buckled on concave hole positions on the upper end surface of the indentation analyzer 2 and correspond to convex ball screws of the concave hole positions, the tower-type fixing frame 301 is firmly fixed at the upper end of the indentation analyzer 2 by using bolts, and the other ends of the pull rods 403 are provided with through holes which are respectively fastened with arc thread grooves 4012 on the left side and the right side of a bridge body 401 through screws; the cylindrical test sample is placed in the third groove 4011 of the engagement bridge 401, the cylindrical test point is rotated to the highest point, then the lag screw 302 is screwed clockwise, the pulling force is transmitted to the pulling body 303, so that the pull rod 403, the engagement bridge 401 and the cylindrical test sample move upwards integrally, and finally the gap between the test sample and the measuring head of the indentation analyzer 2 is smaller and smaller until the cylindrical test sample is completely contacted and the fixed position tool provides the preload force required by enough test.

The tool is mainly characterized in that the lower connecting bridge body 401 and the sample are integrally lifted and tensioned and lifted in a relatively stable mode, so that excessive relative displacement can not be generated on the cylindrical test sample due to the fact that the preloading force is increasingly large, and the tool is simpler to operate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a fixed position frock which characterized in that: including frock (1) and indentation analysis appearance (2), frock (1) comprises tower fixed subassembly (3) and linking bridge subassembly (4), install in indentation analysis appearance (2) top tower fixed subassembly (3), link up bridge subassembly (4) and install in indentation analysis appearance (2) bottom, tower fixed subassembly (3) comprise tower mount (301), lag screw (302) that are the quadrangular frustum of a prism form, the pulling force body (303) that are the rectangle form and half logical heart screw (304), link up bridge subassembly (4) and constitute by linking bridge body (401), fixing bolt (402) and pull rod (403) of placing test sample.

2. The fixed position tool of claim 1, wherein: the tower-type fixing frame (301) is fixed on the top surface of the indentation analyzer (2) through bolts, the top surface of the indentation analyzer (2) is matched with a circular groove formed in the bottom surface of the tower-type fixing frame (301) through a convex ball screw, a first groove (3011) with a rectangular longitudinal section is transversely formed in the left and right directions of the tower-type fixing frame (301), and a second groove (3012) with a V-shaped longitudinal section is formed in the bottom surface of the tower-type fixing frame (301).

3. The fixed position tool of claim 1, wherein: the tension body (303) is movably connected inside the second groove (3012), the tension screw (302) is sequentially in threaded connection with a threaded hole in the top of the tower-type fixing frame (301) and a threaded hole formed in the center of the top of the tension body (303), first threaded holes (3031) are symmetrically formed in the left side and the right side of the tension body (303), a semi-through core screw (304) is installed inside the first threaded hole (3031), a threaded layer (3041) mutually connected with the first threaded hole (3031) is arranged in the middle of a screw rod of the semi-through core screw (304), and an internal threaded hole (3042) is formed in the bottom surface of the screw rod of the semi-through core screw (304).

4. The fixed position tool of claim 1, wherein: link up bridge (401) outer wall top surface and seted up third recess (4011) that longitudinal section is "V" shape, link up bridge (401) outer wall bottom surface is the planishing face, link up bridge (401) left and right sides symmetry has seted up circular arc thread groove (4012), fixing bolt (402) run through the through-hole and the mutual threaded connection of circular arc thread groove (4012) that pull rod (403) one end was seted up, threaded connection pole (4031) that are connected with internal thread hole (3042) are installed to pull rod (403) other end.

5. The fixed position tool of claim 4, wherein: the pull rods (403) are symmetrically distributed on the left side and the right side of the connecting bridge body (401).