CN218035467U

CN218035467U - Bolt axial force meter

Info

Publication number: CN218035467U
Application number: CN202222219113.3U
Authority: CN
Inventors: 胡凯; 周冰; 倪菁; 汤一飞; 倪卫华; 周纯一
Original assignee: Changzhou Huihe Engineering Technology Co ltd
Current assignee: Changzhou Huihe Engineering Technology Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-12-13
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a bolt axial force meter relates to bolt axial force and measures technical field, does not possess when measuring and fixes the bolt, leads to the bolt can take place to incline when measuring and influence its measuring result's problem, now proposes following scheme, include: pressure sensor, fixed mounting has solid fixed ring on the pressure sensor, two side openings have been seted up in solid fixed ring's the outside, and the equal slip of two side openings is provided with the slider, two one side that the slider is close to mutually all extends in the solid fixed ring and fixed mounting has the clamp splice, two the equal fixed mounting in one side that the slider was kept away from mutually has the horizontal pole. The utility model has the advantages of reasonable design, can make things convenient for the centre gripping of bolt fixed, make it can avoid appearing the problem that the bolt slope influences measuring result in the measurement process, easily operation and use.

Description

Bolt axial force meter

Technical Field

The utility model relates to a bolt axial force measures technical field, especially relates to a bolt axial force meter.

Background

High-strength bolts are widely applied to the industrial fields of civil construction, mechanical installation and the like, the pretightening force of the high-strength bolts usually reaches tens of tons or even twenty tons, and the load is huge, so that the safety requirement on fastening joints is high, and when the bolts are used as fasteners at key positions, the axial stress of the bolts, namely the pretightening force of the bolts, is usually required to be accurately detected and controlled so as to ensure the safety and the reliability of the connection.

However, at present, when the axial force of the bolt is measured by using the pressure sensor, the bolt is usually placed on the pressure sensor and pressure is applied to the bolt to measure the axial force, but the bolt is not fixed during measurement, so that the bolt may be inclined during measurement to influence the measurement result.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and not possessing the bolt when measuring and fixing, lead to the bolt can take place the slope when measuring and influence its measuring result's shortcoming, and a bolt axial force meter that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bolt axial force gauge comprising:

the pressure sensor is fixedly provided with a fixed ring, two side holes are formed in the outer side of the fixed ring, sliding blocks are arranged in the two side holes in a sliding manner, one sides, close to the two sliding blocks, of the two sliding blocks extend into the fixed ring and are fixedly provided with clamping blocks, and one sides, far away from the two sliding blocks, of the two sliding blocks are fixedly provided with cross rods;

annular opening has been seted up in solid fixed ring's the outside, annular opening internal thread cover is equipped with the ring, it is provided with two vertical retort to slide on the ring, two in the vertical retort extends corresponding side opening, two the side mouth, two have all been seted up to one side of vertical retort all rotate in the side mouth and are provided with the push rod, two the push rod rotates to set up corresponding on the horizontal pole.

Preferably, two equal fixed mounting of one end that the horizontal pole was kept away from mutually has the limiting plate, two the limiting plate all with gu fixed ring movable contact.

Preferably, a group of external threads are formed on the inner wall of the annular gap, a group of internal threads are formed on the inner side of the circular ring, and the external threads are meshed with the internal threads.

Preferably, the circular ring is provided with an annular groove, and the two vertical bars are arranged in the annular groove in a sliding manner.

Preferably, two equal fixed mounting in one side that the vertical retort is close to mutually has the fixture block, ring groove has been seted up on the inner wall of ring channel, two the fixture block all slides and sets up in ring groove.

Preferably, two sliding holes communicated with the corresponding side holes are formed in the inner wall of the top side of the annular gap, and the two vertical bars are slidably arranged in the corresponding sliding holes.

In the utility model, the bolt axial force meter can clamp and fix the bolt when measuring the axial force of the bolt through the common matching of the fixed ring, the two sliders, the two clamping blocks, the two transverse rods, the annular opening, the ring sleeved in the annular opening, the two vertical bars arranged in a sliding way and the two push rods arranged in a rotating way, and can avoid the problem that the inclination of the bolt affects the measurement result in the measurement process;

the utility model has the advantages of reasonable design, can make things convenient for the centre gripping of bolt fixed, make it can avoid appearing the problem that the bolt slope influences measuring result in the measurement process, easily operation and use.

Drawings

Fig. 1 is a schematic perspective view of a bolt axial force meter according to the present invention;

fig. 2 is a schematic sectional view of a front view of a bolt axial force meter according to the present invention;

fig. 3 is a schematic structural view of a portion a of a bolt axial force meter according to the present invention;

fig. 4 is a schematic diagram of a three-dimensional structure of a ring of the bolt axial force meter according to the present invention.

In the figure: 1. a pressure sensor; 2. a fixing ring; 3. a side hole; 4. a slider; 5. a clamping block; 6. a cross bar; 7. a limiting plate; 8. an annular gap; 9. a circular ring; 10. an internal thread; 11. an annular groove; 12. vertical bars; 13. a clamping block; 14. a side port; 15. a push rod.

Detailed Description

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.

Referring to fig. 1-4, this scheme provides one embodiment: a bolted axial force gauge comprising:

the pressure sensor comprises a pressure sensor 1, wherein a fixed ring 2 is fixedly mounted on the pressure sensor 1, two side holes 3 are formed in the outer side of the fixed ring 2, sliders 4 are arranged in the two side holes 3 in a sliding manner, one sides, close to the two sliders 4, extend into the fixed ring 2 and are fixedly provided with clamping blocks 5, and one sides, far away from the two sliders 4, are fixedly provided with cross rods 6;

annular opening 8 has been seted up in solid fixed ring 2's the outside, and 8 interior thread bush of annular opening is equipped with ring 9, and it is provided with two vertical retort 12 to slide on the ring 9, and in two vertical retort 12 extended corresponding side opening 3, side mouth 14 had all been seted up to one side of two vertical retort 12, all rotated in two side mouths 14 and is provided with push rod 15, and two push rod 15 rotate and set up on corresponding horizontal pole 6.

Referring to fig. 1, in this embodiment, the equal fixed mounting of one end that two horizontal poles 6 kept away from mutually has limiting plate 7, and two limiting plates 7 all with 2 swing joint of solid fixed ring.

Referring to fig. 4, in this embodiment, a set of external threads is disposed on the inner wall of the annular opening 8, a set of internal threads 10 is disposed on the inner side of the ring 9, and the external threads are engaged with the internal threads 10 to facilitate the threading of the ring 9.

Referring to fig. 4, in this embodiment, an annular groove 11 is formed in the ring 9, and the two vertical bars 12 are both slidably disposed in the annular groove 11, so that the two vertical bars 12 can be conveniently slidably disposed on the ring 9.

Referring to fig. 3, in this embodiment, two vertical bars 12 are close to equal fixed mounting in one side has fixture block 13, has seted up ring channel on the inner wall of ring channel 11, and two fixture blocks 13 all slide and set up in ring channel, can play limiting displacement to two vertical bars 12.

Referring to fig. 3, in this embodiment, two sliding holes communicated with the corresponding side holes 3 are formed in the inner wall of the top side of the annular gap 8, and the two vertical bars 12 are slidably disposed in the corresponding sliding holes, so that the two vertical bars 12 can be conveniently extended into the corresponding side holes 3.

The model of the pressure sensor 1 is YBY-30.

The theory of operation, firstly can be through the ring 9 of will manual rotation, make it can be through the meshing of external screw thread with internal thread 10, make the ring 9 can the downstream, make it can drive two vertical retort 12 downstream by ring 9, can be at the in-process that two vertical retort 12 downstream, make it can promote two horizontal poles 6 through two push rods 15 and keep away from the removal mutually, can make two horizontal poles 6 can drive two clamp splice 5 through two sliders 4 and be close to the removal mutually, then can place the bolt on pressure sensor 1, can reverse rotation ring 9 afterwards, can make it drive two vertical retort 12 rebound and reset, thereby can make two clamp splice 5 can be close to the removal mutually and reset and step up the bolt fixedly, then can apply pressure through the bolt, and through pressure sensor 1, can measure the axial force of bolt.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" 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 specifically limited otherwise.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A bolt axial force gauge, comprising:

the pressure sensor (1) is fixedly provided with a fixing ring (2), two side holes (3) are formed in the outer side of the fixing ring (2), sliding blocks (4) are arranged in the two side holes (3) in a sliding mode, one sides, close to the two sliding blocks (4), extend into the fixing ring (2) and are fixedly provided with clamping blocks (5), and one sides, far away from the two sliding blocks (4), of the two sliding blocks (4) are fixedly provided with cross rods (6);

annular opening (8) have been seted up in the outside of solid fixed ring (2), annular opening (8) internal thread bush is equipped with ring (9), it is provided with two vertical retort (12), two to slide on ring (9) in vertical retort (12) extend corresponding side opening (3), two side opening (14), two have all been seted up to one side of vertical retort (12) all rotate in side opening (14) and are provided with push rod (15), two push rod (15) rotate to set up corresponding on horizontal pole (6).

2. A bolt axial force gauge according to claim 1, wherein: two the equal fixed mounting in one end that horizontal pole (6) kept away from mutually has limiting plate (7), two limiting plate (7) all with gu fixed ring (2) movable contact.

3. A bolt axial force gauge according to claim 1, wherein: a group of external threads are formed on the inner wall of the annular gap (8), a group of internal threads (10) are formed on the inner side of the circular ring (9), and the external threads are meshed with the internal threads (10).

4. A bolt axial force gauge according to claim 1, wherein: annular groove (11) have been seted up on ring (9), two vertical retort (12) all slide to be set up in annular groove (11).

5. The bolt axial force gauge of claim 4, wherein: two the equal fixed mounting in one side that vertical bar (12) are close to mutually has fixture block (13), ring channel has been seted up on the inner wall of ring channel (11), two fixture block (13) all slide and set up in ring channel.

6. A bolt axial force gauge according to claim 1, wherein: two sliding holes communicated with the corresponding side holes (3) are formed in the inner wall of the top side of the annular notch (8), and the two vertical bars (12) are arranged in the corresponding sliding holes in a sliding mode.