CN218995028U

CN218995028U - Be used for spiral shell head hardness check out test set

Info

Publication number: CN218995028U
Application number: CN202223549344.7U
Authority: CN
Inventors: 王月彬; 赵红果; 王月忠; 王亚国
Original assignee: Suzhou Benyang Precision Hardware Technology Co ltd
Current assignee: Suzhou Benyang Precision Hardware Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-09
Anticipated expiration: 2032-12-29

Abstract

The utility model is suitable for the technical field of bolt detection, and provides a screw head hardness detection device. The utility model comprises a mounting plate, wherein the top of the mounting plate is fixedly connected with a U-shaped frame; a connecting plate is fixedly connected in the U-shaped frame, a limit frame is fixedly connected to the top of one side of the connecting plate, a bolt is arranged in the limit frame, a supporting plate is arranged on the other side of the connecting plate, and a detection mechanism is fixedly installed in the U-shaped frame and positioned right above the bolt; two inclined plates are symmetrically arranged on the outer sides of the bolts, the inclined plates are in sliding fit with the bolts, one ends of the two inclined plates, which face one end of the supporting plate, penetrate through the connecting plate and are fixedly connected with the supporting plate, one side of the connecting plate is provided with a sliding channel in sliding fit with the inclined plates, and the other ends of the two inclined plates are fixedly connected; one side of the supporting plate is penetrated with a threaded rod in threaded connection, and one end of the threaded rod is rotationally connected with the connecting plate. The utility model solves the problems that the stability of fixing the parts is poor and the bolt is likely to deviate in the detection process, and improves the precision of hardness detection.

Description

Be used for spiral shell head hardness check out test set

Technical Field

The utility model relates to the technical field of bolt detection, in particular to a screw head hardness detection device.

Background

The bolt is a fastener matched with the nut, and consists of a head part and a screw rod (a cylinder with external threads), and in the production process of the bolt, the hardness of the surface of the bolt is detected by a hardness tester, and whether the bolt is qualified or not is detected by the hardness of the surface of the bolt. In the detection process, the stability to the part is relatively poor, the phenomenon of loosening appears easily, and the bolt can take place the skew, causes hardness to detect and error, has reduced hardness detection's precision.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the screw head hardness detection equipment which is used for improving the stability of bolt fixation, avoiding the bolt from shifting in the detection process and improving the accuracy of hardness detection.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the screw hardness detection device comprises a mounting plate, wherein a U-shaped frame is fixedly connected to the top of the mounting plate; the U-shaped frame is internally and fixedly connected with a connecting plate, the top of one side of the connecting plate is fixedly connected with a limiting frame, a bolt is arranged in the limiting frame, the other side of the connecting plate is provided with a supporting plate, and a detection mechanism is fixedly arranged in the U-shaped frame and positioned right above the bolt; two inclined plates are symmetrically arranged on the outer sides of the bolts, the inclined plates are in sliding fit with the bolts, one end of each inclined plate, facing the supporting plate, penetrates through the connecting plate and is fixedly connected with the supporting plate, a sliding channel in sliding fit with the inclined plate is formed in one side of the connecting plate, and the other ends of the two inclined plates are fixedly connected; one side of the supporting plate is penetrated by a threaded rod in threaded connection, and one end of the threaded rod is rotationally connected with the connecting plate.

The utility model further provides that the detection mechanism comprises an air cylinder, one end of the air cylinder is fixedly connected with the inner top of the U-shaped frame, the output end of the air cylinder is fixedly connected with the shell, the bottom of the shell is penetrated with a connecting rod in sliding fit, one end of the connecting rod, which is positioned in the shell, is fixedly connected with a sclerometer, and the other end of the connecting rod is fixedly connected with a pressing plate.

The utility model is further characterized in that the two ends of the supporting plate are fixedly connected with the lug plates, sliding rods in sliding fit penetrate through the lug plates, and one ends of the sliding rods are fixedly connected with the connecting plate.

The utility model is further characterized in that one end of the sliding rod is fixedly connected with a limiting ring, and a first spring with one end fixedly connected with the limiting ring and the other end fixedly connected with the lug plate is sleeved on the sliding rod.

The utility model further provides that an anti-skid groove is uniformly formed on one surface of the inclined plate, which is attached to the bolt.

The utility model is further arranged in that a clamping plate is arranged in the limiting frame, a pull rod is fixedly connected to the outer side of the clamping plate, one end of the pull rod penetrates through the limiting frame and is fixedly connected with a pull ring, a second spring with one end fixedly connected with the pull ring and the other end fixedly connected with the limiting frame is sleeved on the pull rod, and the limiting frame is in sliding fit with the pull rod; the limiting frame is characterized in that limiting channels are symmetrically formed in the inner wall of the limiting frame, and two ends of the clamping plate are connected in the adjacent limiting channels in a sliding mode.

The utility model has the advantages that:

1. according to the utility model, the bolts are placed in the limit frame, so that the bolts are positioned in the triangular space formed by the two inclined plates and the connecting plate, the inclined plates are driven to slide in the sliding channels by the rotary threaded rods, the formed triangular space is gradually reduced, the bolts are further limited and fixed, and the hardness of the screw head positions of the bolts are detected under the cooperation of the detection mechanism, so that the stability of fixing the bolts is improved, the bolts are prevented from shifting in the detection process, and the accuracy of hardness detection is improved.

2. According to the utility model, the pull rod is driven to move towards the bolt under the action of the pulling force of the second spring, so that the clamping plate is driven to move and is matched with the inner wall of the limiting frame, the bolt is clamped and fixed, and the fixing effect on the bolt is further improved.

Drawings

Fig. 1 is a schematic diagram of a screw hardness testing apparatus according to the present utility model.

Fig. 2 is a schematic structural diagram of another view of fig. 1.

Fig. 3 is a schematic view of the structure of fig. 1 from another view angle.

Fig. 4 is a schematic structural view of a combination of a support plate, an ear plate and a sloping plate.

Fig. 5 is a partial cross-sectional view of a U-shaped frame.

In the figure: 1. a mounting plate; 2. a U-shaped frame; 3. a connecting plate; 301. a sliding channel; 4. a limit frame; 401. a limit channel; 5. a bolt; 6. a support plate; 7. a detection mechanism; 8. a sloping plate; 801. an anti-skid groove; 9. a threaded rod; 10. a cylinder; 11. a housing; 12. a connecting rod; 13. a durometer; 14. a pressing plate; 15. ear plates; 16. a slide bar; 17. a limiting ring; 18. a first spring; 19. a clamping plate; 20. a pull rod; 21. a pull ring; 22. and a second spring.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Embodiment one:

referring to fig. 1-5, the present utility model provides the following technical solutions:

the screw hardness detection device comprises a mounting plate 1, wherein a U-shaped frame 2 is fixedly connected to the top of the mounting plate 1; the U-shaped frame 2 is internally and fixedly connected with a connecting plate 3, the top of one side of the connecting plate 3 is fixedly connected with a limiting frame 4, a bolt 5 is arranged in the limiting frame 4, the other side of the connecting plate 3 is provided with a supporting plate 6, and a detection mechanism 7 is fixedly arranged in the U-shaped frame 2 and positioned right above the bolt 5; two inclined plates 8 are symmetrically arranged on the outer side of the bolt 5, the inclined plates 8 are in sliding fit with the bolt 5, one end of each inclined plate 8, facing the supporting plate 6, of each inclined plate 8 penetrates through the connecting plate 3 and is fixedly connected with the supporting plate 6, a sliding channel 301 in sliding fit with the inclined plate 8 is formed in one side of the connecting plate 3, the upper side and the lower side of the connecting plate 3 are respectively attached to the inner wall of the sliding channel 301, and the other ends of the two inclined plates 8 are fixedly connected; one side of the supporting plate 6 is penetrated with a threaded rod 9 in threaded connection, one end of the threaded rod 9 is rotationally connected with the connecting plate 3, a triangular space with changeable size is formed between the two inclined plates 8 and the connecting plate 3, one end of the bolt 5 passes through the limiting frame 4 and is placed in the triangular space, the supporting plate 6 is driven to horizontally move by rotating the threaded rod 9, the inclined plate 8 is driven to slide in the sliding channel 301, the formed triangular space is gradually reduced, the bolt 5 is further limited and fixed on the surface of the connecting plate 3, and hardness detection is carried out on the screw head position of the bolt 5 through the cooperation of the detection mechanism 7.

As shown in fig. 3, the detection mechanism 7 includes a cylinder 10, one end of the cylinder 10 is fixedly connected with the inner top of the U-shaped frame 2, the output end of the cylinder 10 is fixedly connected with a housing 11, the bottom of the housing 11 is penetrated with a connecting rod 12 in sliding fit, one end of the connecting rod 12 is fixedly connected with a sclerometer 13, the other end of the connecting rod 12 is fixedly connected with a pressing plate 14, and the housing 11 is driven to lift by starting the cylinder 10, so that the sclerometer 13 and the pressing plate 14 can detect the hardness of the head of the bolt 5.

As shown in fig. 2, the two ends of the supporting plate 6 are fixedly connected with the ear plates 15, the ear plates 15 are penetrated with sliding rods 16 in sliding fit, one ends of the sliding rods 16 are fixedly connected with the connecting plate 3, and the supporting plate 6 is limited by arranging the sliding rods 16 at the two ends of the supporting plate 6, so that the supporting plate 6 is limited to horizontally move.

As shown in the figure, one end of the sliding rod 16 is fixedly connected with a limiting ring 17, a first spring 18 with one end fixedly connected with the limiting ring 17 and the other end fixedly connected with the ear plate 15 is sleeved on the sliding rod 16, and the pulling force of the first spring 18 is used for generating the pulling force of the ear plate 15, so that the loosening of the supporting plate 6 caused by loosening of the threaded rod 9 can be avoided.

As shown in fig. 4, an anti-slip groove 801 is uniformly formed on a surface of the swash plate 8, which is attached to the bolt 5, so that friction between the swash plate 8 and the bolt 5 is increased, and a limiting and fixing effect on the bolt 5 is improved.

The working principle of this embodiment is as follows: a triangle space with changeable size is formed between the two inclined plates 8 and the connecting plate 3, one end of the bolt 5 passes through the limit frame 4 and is placed in the triangle space, the support plate 6 is driven to horizontally move through the rotary threaded rod 9, the inclined plates 8 are driven to slide in the sliding channel 301, the triangle space is gradually reduced, the bolt 5 is further limited and fixed on the surface of the connecting plate 3, the shell 11 is driven to lift through the starting cylinder 10, and the hardness of the head of the bolt 5 can be detected by the hardness meter 13 and the pressure plate 14.

Embodiment two:

on the basis of the first embodiment, the present embodiment is different in that:

as shown in fig. 5, a clamping plate 19 is arranged in the limiting frame 4, a pull rod 20 is fixedly connected to the outer side of the clamping plate 19, one end of the pull rod 20 penetrates through the limiting frame 4 and is fixedly connected with a pull ring 21, a second spring 22 with one end fixedly connected with the pull ring 21 and the other end fixedly connected with the limiting frame 4 is sleeved on the pull rod 20, and the limiting frame 4 is in sliding fit with the pull rod 20; the limiting groove 401 is symmetrically formed in the inner wall of the limiting frame 4, two ends of the clamping plate 19 are slidably connected in the adjacent limiting groove 401, the bolt 5 is placed in the limiting frame 4, the pull rod 20 is driven to move towards the bolt 5 under the pulling force of the second spring 22, the clamping plate 19 is driven to move and match with the inner wall of the limiting frame 4, the bolt 5 is clamped and fixed, the effect of preliminary fixing the bolt 5 is achieved, and the fixing effect on the bolt 5 is further improved.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a be used for spiral shell head hardness check out test set, includes mounting panel (1), its characterized in that:

the top of the mounting plate (1) is fixedly connected with a U-shaped frame (2);

the detection device is characterized in that a connecting plate (3) is fixedly connected in the U-shaped frame (2), a limit frame (4) is fixedly connected to the top of one side of the connecting plate (3), a bolt (5) is arranged in the limit frame (4), a supporting plate (6) is arranged on the other side of the connecting plate (3), and a detection mechanism (7) is fixedly arranged in the U-shaped frame (2) and located right above the bolt (5);

two inclined plates (8) are symmetrically arranged on the outer sides of the bolts (5), the inclined plates (8) are in sliding fit with the bolts (5), one ends of the two inclined plates (8) facing the supporting plate (6) penetrate through the connecting plate (3) and are fixedly connected with the supporting plate (6), a sliding channel (301) in sliding fit with the inclined plates (8) is formed in one side of the connecting plate (3), and the other ends of the two inclined plates (8) are fixedly connected;

one side of the supporting plate (6) is penetrated by a threaded rod (9) in threaded connection, and one end of the threaded rod (9) is rotationally connected with the connecting plate (3).

2. The device for detecting the hardness of the screw head according to claim 1, wherein the detecting mechanism (7) comprises a cylinder (10), one end of the cylinder (10) is fixedly connected with the inner top of the U-shaped frame (2), the output end of the cylinder (10) is fixedly connected with a shell (11), a connecting rod (12) in sliding fit penetrates through the bottom of the shell (11), the connecting rod (12) is positioned in the shell (11), one end of the connecting rod is fixedly connected with a hardness meter (13), and the other end of the connecting rod (12) is fixedly connected with a pressing plate (14).

3. The screw hardness detection device according to claim 1, wherein ear plates (15) are fixedly connected to two ends of the supporting plate (6), sliding rods (16) in sliding fit penetrate through the ear plates (15), and one ends of the sliding rods (16) are fixedly connected with the connecting plate (3).

4. A device for detecting screw hardness according to claim 3, characterized in that one end of the sliding rod (16) is fixedly connected with a limiting ring (17), and the sliding rod (16) is sleeved with a first spring (18) with one end fixedly connected with the limiting ring (17) and the other end fixedly connected with the lug plate (15).

5. The device for detecting the hardness of the screw head according to claim 1, wherein an anti-skid groove (801) is uniformly formed on a surface, which is attached to the bolt (5), of the inclined plate (8).

6. The screw hardness detection device according to claim 1, wherein a clamping plate (19) is arranged in the limiting frame (4), a pull rod (20) is fixedly connected to the outer side of the clamping plate (19), one end of the pull rod (20) penetrates through the limiting frame (4) and is fixedly connected with a pull ring (21), a second spring (22) with one end fixedly connected with the pull ring (21) and the other end fixedly connected with the limiting frame (4) is sleeved on the pull rod (20), and the limiting frame (4) is in sliding fit with the pull rod (20);

limiting channels (401) are symmetrically formed in the inner wall of the limiting frame (4), and two ends of the clamping plate (19) are connected in the adjacent limiting channels (401) in a sliding mode.