CN219542965U

CN219542965U - Clamp device of inner diameter dial indicator

Info

Publication number: CN219542965U
Application number: CN202321202510.8U
Authority: CN
Inventors: 邢超; 张斌; 冯凯; 朱炎; 殷新; 赵志芳; 沈非
Original assignee: Jiangyin Metrological Testing And Verification Institute
Current assignee: Jiangyin Metrological Testing And Verification Institute
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-08-18
Anticipated expiration: 2033-05-18

Abstract

The utility model relates to a clamp device of an inner diameter dial indicator, which comprises a base, a verification instrument and a clamping mechanism, wherein a guide rail is arranged on the base; the clamping mechanism comprises a base and a top plate, two vertical upright posts are arranged between the base and the top plate, a guide rail sliding block is arranged at the bottom of the base, and the guide rail sliding block slides in a matched manner with the guide rail; the V-shaped clamping block is sleeved on the upright post, a first V-shaped groove is formed in one end, far away from the upright post, of the V-shaped clamping block, the V-shaped clamping block is connected with the V-shaped clamping piece through an adjusting bolt, a second V-shaped groove is formed in the middle of the V-shaped clamping piece, and an inner diameter dial indicator is arranged between the first V-shaped groove and the second V-shaped groove. The utility model enables the positioning bridge of the inner diameter dial indicator to pass through the space between the two columns, and the inner diameter dial indicator with wide measuring range can be stably clamped on the full-automatic calibrating instrument of the indicating meter.

Description

Clamp device of inner diameter dial indicator

Technical Field

The utility model relates to the technical field of precise measuring instruments, in particular to a clamp device of an inner diameter dial indicator.

Background

The inner diameter dial indicator is a common measuring instrument, which is mainly used for measuring cylindrical holes, is provided with a complete set of adjustable measuring heads, and is necessary to be combined and calibrated to zero position before use.

The inner structure of the inner diameter dial indicator measuring frame is characterized in that one end of a three-way pipe is provided with a movable measuring head, the other end of the three-way pipe is provided with a replaceable measuring head, and one end of a vertical pipe orifice is provided with a dial indicator through a connecting rod; the movable measuring head moves to enable the transmission lever to rotate, and the movable rod pushes the measuring rod of the dial indicator to enable the dial indicator to rotate. Because the contacts on the two sides of the lever are equidistant, when the movable measuring head moves by 1mm, the movable rod also moves by 1mm to push the dial indicator pointer to rotate for one circle; therefore, the moving amount of the movable measuring head can be read out on the dial indicator. When the two-contact measuring tool is used for measuring the inner diameter, the diameter direction of the hole is not easy to align, and the centering bridge protector and the spring play a role in assisting in aligning the diameter position, so that the two measuring heads of the inner diameter dial indicator are just at the two ends of the diameter of the inner hole. The measuring pressure of the movable measuring head is controlled by a spring on the movable rod, so that the consistency of the measuring pressure is ensured.

The prior inner diameter dial indicator clamp has the following problems: (1) For some large-range inner diameter dial indicators (400-600) mm and (450-650) mm, positioning and clamping cannot be performed on the existing track of the full-automatic calibrating instrument of the indicating meter. (2) The fixture is of an integrated structure, and the structure with the positioning protecting bridge on the inner diameter dial indicator cannot pass through the middle.

Disclosure of Invention

The utility model aims to overcome the defects and provide the clamp device for the inner diameter dial indicator, which is suitable for the inner diameter dial indicator with wide range and improves the clamping stability.

The purpose of the utility model is realized in the following way:

the fixture device of the inner diameter dial indicator comprises a base, a verification instrument and a clamping mechanism, wherein a guide rail is arranged on the base, the guide rail is arranged along the length direction of the base, and two ends of the guide rail are mutually fixed with two ends of the base; one side of the base is provided with a verification instrument, the other side of the base is provided with a clamping mechanism, the clamping mechanism is in sliding connection with the guide rail, and the verification instrument is fixed at one end of the base opposite to the clamping mechanism;

the clamping mechanism comprises a base and a top plate, two vertical upright posts are arranged between the base and the top plate, a guide rail sliding block is arranged at the bottom of the base and is matched with the guide rail to slide, and a locking device is arranged at one side of the base and used for fixing the guide rail sliding block; the upright post is sleeved with a V-shaped clamping block, one end of the V-shaped clamping block, which is far away from the upright post, is provided with a first V-shaped groove, and the first V-shaped groove is arranged at the center of the end face of the V-shaped clamping block; the V-shaped clamping block is connected with the V-shaped clamping piece through an adjusting bolt, a second V-shaped groove is formed in the middle of the V-shaped clamping piece, and an inner diameter dial indicator is arranged between the first V-shaped groove and the second V-shaped groove.

Further, at least one through hole is formed in the V-shaped clamping block.

Further, the V-shaped clamping piece comprises a second V-shaped groove in the middle and connecting plates on the left side and the right side, connecting holes are formed in the connecting plates, connecting holes corresponding to the connecting plates are formed in the two sides of the first V-shaped groove of the V-shaped clamping piece respectively, adjusting nuts are sleeved on the adjusting bolts and penetrate through the V-shaped clamping piece and then are inserted into the connecting holes of the V-shaped clamping piece, and the distance between the V-shaped clamping piece and the V-shaped clamping piece is adjusted through rotation of the adjusting nuts on the adjusting bolts.

Further, the notch orientation of the second V-shaped groove of the V-shaped clamping piece is consistent with the notch orientation of the first V-shaped groove of the V-shaped clamping block, and the opening sizes of the first V-shaped groove and the second V-shaped groove are consistent.

Further, locking mechanisms are arranged on two side surfaces of the V-shaped clamping block.

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

the clamp is of a double-column structure, a thickened V-shaped clamping block is adopted, and the clamp is reversely arranged on the guide rail, so that a positioning bridge of the inner diameter dial indicator can pass through the double columns, the inner diameter dial indicator with a large range can be stably clamped on the full-automatic calibrating instrument of the indicating meter, and the clamp is suitable for calibrating the inner diameter dial indicator with a large range; meanwhile, the expanding cost is reduced, and the cost of purchasing a full-automatic verification instrument with a longer track is saved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a front view of the clamping mechanism of the present utility model.

Fig. 3 is a top view of the clamping mechanism of the present utility model.

Wherein:

base 1, guide rail 2, verification instrument 3, fixture 4, base 41, guide rail slider 42, locking device 43, roof 44, stand 45, V type fixture 46, first V type groove 461, through-hole 462, locking mechanism 463, V type clamping piece 47, connecting plate 471, second V type groove 472, adjusting bolt 48, adjusting nut 49, internal diameter percentage table 5.

Description of the embodiments

In order to better understand the technical solution of the present utility model, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present utility model, but are merely examples of embodiments that may be employed by the present utility model. It should be noted that, the description herein of the positional relationship of the components, such as the component a being located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.

Example 1

Referring to fig. 1-3, fig. 1 depicts a schematic structural view of the present utility model. As shown in the figure, the clamp device of the inner diameter dial indicator comprises a base 1, a verification instrument 3 and a clamping mechanism 4, wherein a guide rail 2 is arranged on the base 1, the guide rail 2 is arranged along the length direction of the base 1, and two ends of the guide rail 2 are mutually fixed with two ends of the base 1; one side on the base 1 is provided with a verification instrument 3, the other side is provided with a clamping mechanism 4, the clamping mechanism 4 is in sliding connection with the guide rail 2, namely, the clamping mechanism 4 can reciprocate along the length direction of the guide rail 2, and the verification instrument 3 is fixed at one end, opposite to the clamping mechanism 4, on the base 1.

The clamping mechanism 4 comprises a base 41 and a top plate 44, two vertical upright posts 45 are arranged between the base 41 and the top plate 44, a guide rail sliding block 42 is arranged at the bottom of the base 41, the guide rail sliding block 42 slides in a matched manner with the guide rail 2, and a locking device 43 is arranged on one side of the base 41 and used for fixing the guide rail sliding block 42; the upright post 45 is sleeved with a V-shaped clamping block 46, one end of the V-shaped clamping block 46 far away from the upright post 45 is provided with a first V-shaped groove 461, the first V-shaped groove 461 is arranged at the center of the end face of the V-shaped clamping block 46, and the V-shaped clamping block 46 is provided with at least one through hole 462; the two side surfaces of the V-shaped clamping block 46 are provided with locking mechanisms 463, and the locking mechanisms 463 can be limited by tightening after the V-shaped clamping block 46 is adjusted to a required position;

the V-shaped clamping block 46 is connected with the V-shaped clamping block 47 through an adjusting bolt 48, the V-shaped clamping block 47 comprises a second V-shaped groove 472 in the middle and connecting plates 471 on the left side and the right side, connecting holes are formed in the connecting plates 471, connecting holes corresponding to the connecting plates 471 are formed in the two sides of a first V-shaped groove 461 of the V-shaped clamping block 46 respectively, an adjusting nut 49 is sleeved on the adjusting bolt 48 and penetrates through the V-shaped clamping block 47 and then is inserted into the connecting holes of the V-shaped clamping block 46, and the distance between the V-shaped clamping block 47 and the V-shaped clamping block 46 is adjusted through rotation of the adjusting nut 49 on the adjusting bolt 48.

The notch orientation of the second V-shaped groove 472 of the V-shaped clamping piece 47 is consistent with the notch orientation of the first V-shaped groove 461 of the V-shaped clamping block 46, the opening sizes of the first V-shaped groove 461 and the second V-shaped groove 472 are consistent, and an inner diameter dial indicator 5 is arranged between the first V-shaped groove 461 and the second V-shaped groove 472.

The length of the V-shaped clamping block 46 is not less than 15cm, and the thickness is not less than 5cm.

Working principle:

the utility model relates to a clamp device of an inner diameter dial indicator, which consists of a guide rail sliding block, a clamp base, a double-column structure, a locking device, a thickened V-shaped clamping block and a V-shaped clamping piece, wherein the thickened V-shaped clamping block is additionally arranged, and the clamp is reversely arranged on a track, so that the inner diameter dial indicator with a large range can be clamped, the integral structure of the existing clamp is changed, the clamp device is of a double-column hollow framework, and a positioning bridge protection structure of the inner diameter dial indicator needs to penetrate through the inside of the clamp after the clamp is reversely arranged.

The clamp is reversely clamped on a track of a full-automatic calibrating instrument of the indicator, a positioning protecting bridge of the calibrated inner diameter dial indicator passes through the lower part of a clamp block of the clamp, and then a straight pipe of the calibrated inner diameter dial indicator is clamped between a V-shaped groove of the clamp block and a V-shaped clamping piece; adjusting the front-back distance of the clamp, and locking the clamp after positioning; after parameters such as the graduation value, the measuring range and the like of the inner diameter dial indicator are selected on software, a verification button is clicked, and the instrument can be automatically calibrated point by point according to the step distance required by the regulations.

The utility model has smart structure, increases the clamping range of the calibrated inner diameter dial indicator, can also meet the installation requirement of the structures such as a positioning bridge protector, is suitable for calibrating the inner diameter dial indicator with larger range, does not need to purchase new instruments, and saves the cost.

The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.

Claims

1. The utility model provides a fixture device of internal diameter percentage table which characterized in that: the tester comprises a base (1), a verification instrument (3) and a clamping mechanism (4), wherein a guide rail (2) is arranged on the base (1), the guide rail (2) is arranged along the length direction of the base (1), and two ends of the guide rail (2) are mutually fixed with two ends of the base (1); one side of the base (1) is provided with a verification instrument (3), the other side of the base is provided with a clamping mechanism (4), the clamping mechanism (4) is in sliding connection with the guide rail (2), and the verification instrument (3) is fixed at one end, opposite to the clamping mechanism (4), of the base (1);

the clamping mechanism (4) comprises a base (41) and a top plate (44), two vertical stand columns (45) are arranged between the base (41) and the top plate (44), a guide rail sliding block (42) is arranged at the bottom of the base (41), the guide rail sliding block (42) slides in a matched mode with the guide rail (2), and a locking device (43) is arranged on one side of the base (41) and used for fixing the guide rail sliding block (42); the upright post (45) is sleeved with a V-shaped clamping block (46), one end, far away from the upright post (45), of the V-shaped clamping block (46) is provided with a first V-shaped groove (461), and the first V-shaped groove (461) is arranged at the center of the end face of the V-shaped clamping block (46); v type fixture block (46) are connected V type clamping piece (47) through adjusting bolt (48), the middle part of V type clamping piece (47) is equipped with second V type groove (472), set up internal diameter percentage table (5) between first V type groove (461) and second V type groove (472).

2. The fixture device of an inside diameter dial gauge as claimed in claim 1, wherein: at least one through hole (462) is arranged on the V-shaped clamping block (46).

3. The fixture device of an inside diameter dial gauge as claimed in claim 1, wherein: the V-shaped clamping piece (47) comprises a second V-shaped groove (472) in the middle and connecting plates (471) on the left side and the right side, connecting holes are formed in the connecting plates (471), connecting holes corresponding to the connecting plates (471) are formed in the two sides of the first V-shaped groove (461) of the V-shaped clamping piece (46) respectively, an adjusting nut (49) is sleeved on the adjusting bolt (48) and penetrates through the V-shaped clamping piece (47) to be inserted into the connecting holes of the V-shaped clamping piece (46), and the distance between the V-shaped clamping piece (47) and the V-shaped clamping piece (46) is adjusted through rotation of the adjusting nut (49) on the adjusting bolt (48).

4. The fixture device of an inside diameter dial gauge as claimed in claim 1, wherein: the notch orientation of the second V-shaped groove (472) of the V-shaped clamping piece (47) is consistent with the notch orientation of the first V-shaped groove (461) of the V-shaped clamping block (46), and the opening sizes of the first V-shaped groove (461) and the second V-shaped groove (472) are consistent.

5. The fixture device of an inside diameter dial gauge as claimed in claim 1, wherein: the two side surfaces of the V-shaped clamping block 46 are provided with locking mechanisms (463).