CN219200306U

CN219200306U - Inner diameter measuring pull rod of boiler pressure vessel

Info

Publication number: CN219200306U
Application number: CN202320366666.3U
Authority: CN
Inventors: 张斌; 杜永斌; 周旭
Original assignee: Tianjin Institute Of Special Equipment Supervision And Inspection Technology (tianjin Special Equipment Accident Emergency Investigation And Treatment Center); Tianjin Ninghe District Metrology And Special Equipment Verification Center
Current assignee: Tianjin Institute Of Special Equipment Supervision And Inspection Technology (tianjin Special Equipment Accident Emergency Investigation And Treatment Center); Tianjin Ninghe District Metrology And Special Equipment Verification Center
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-06-16
Anticipated expiration: 2033-03-01

Abstract

The utility model discloses an inner diameter measuring pull rod of a boiler pressure vessel, which comprises a fixed measuring rod, wherein one side of the inside of the fixed measuring rod is inserted with a movable measuring rod, and a second plug is fixedly connected to the middle position of one side of the fixed measuring rod. Through being provided with the structure of making level in one side of fixed measuring staff bottom, cup joint the installation cover outside the connecting plate that sets up in fixed measuring staff both ends one side bottom when using, it is prescribing a limit to the position that the installation cover cup jointed simultaneously through spacing piece to make the steadiness of being connected between installation cover and the connecting plate through the slipmat that sets up at the connecting plate top, thereby reached can convenient and fast and firm with the purpose of spirit level main part installation in fixed measuring staff bottom, confirm the horizontal position of measuring the pull rod through the spirit level main part when measuring boiler pressure vessel internal diameter through fixed measuring staff and removal measuring staff, thereby effectually improved the precision when measuring the pull rod and measuring pressure vessel internal diameter.

Description

Inner diameter measuring pull rod of boiler pressure vessel

Technical Field

The utility model relates to the technical field of measuring tools, in particular to an inner diameter measuring pull rod of a boiler pressure container.

Background

The inner diameter measuring pull rod is a tool for measuring the inner diameter of the container, and the inner diameter of the inner wall of the boiler pressure container is required to be measured by the measuring pull rod in order to ensure that the pressure born by the inner wall is the same in the subsequent use process in the production and manufacturing process of the boiler pressure container, so that the inner diameter is consistent, and the safety of the boiler pressure container in use is improved;

the utility model discloses a measuring pull rod for the inner diameter of a cylinder body of a boiler pressure vessel, which is disclosed by the utility model with an authorized publication number of CN202329492U, so as to solve the problem that the geometric shape and the dimensional deviation of the inner diameter of the cylinder body in the production and manufacturing process of the boiler pressure vessel are measured by tape measure disc stripping, and the dimensional deviation of each position is difficult to accurately grasp. The fixed measuring rod comprises a fixed measuring head, an outer tube and a plug, the movable measuring rod comprises a movable measuring head and a threaded rod, the plane on the outer diameter surface of the threaded rod is provided with size scales, the movable measuring head is arranged at one end of the threaded rod, the movable measuring head and the threaded rod are integrally manufactured, the movable measuring rod is installed in an inner hole of the plug, the threaded rod end is located in the outer tube, the movable measuring head end is exposed out of the plug, an adjusting nut is sleeved on the plug, the adjusting nut is in threaded connection with the threaded rod, the fastening screw is in threaded connection with the fastening threaded hole, and the adjusting screw is in threaded connection with the adjusting threaded hole. The utility model is used for measuring the inner diameter of the boiler pressure vessel cylinder. However, the technical scheme lacks a leveling component in the application process, and can not ensure whether the measuring pull rod is kept horizontal in the measurement process, so that the measurement accuracy is affected, and the technical problem that the measuring pull rod can not be kept horizontal in the measurement process exists.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the inner diameter measuring pull rod of the boiler pressure vessel, which can solve the technical problems that a leveling component is lacked, whether the measuring pull rod is kept horizontal in the measuring process, the measuring precision is affected, and the measuring pull rod cannot be kept horizontal in the measuring process.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a boiler pressure vessel's internal diameter measurement pull rod, includes fixed measuring staff, it has the removal measuring staff to peg graft in one side of fixed measuring staff inside, the intermediate position department fixedly connected with second top of fixed measuring staff one side, the intermediate position department fixedly connected with first top of removal measuring staff one side, be provided with adjusting structure between one side on removal measuring staff top and the inside top of fixed measuring staff, one side of fixed measuring staff bottom is provided with the structure of making level.

As an optimized technical scheme of the utility model, the leveling structure comprises a level body, wherein the level body is arranged on one side of the bottom of a fixed measuring rod, the top end of the level body is fixedly connected with a mounting sleeve, the bottoms of one side of two ends of the fixed measuring rod are respectively and fixedly connected with a connecting plate, one side of each connecting plate is respectively and fixedly connected with a limiting piece, and the tops of the connecting plates are respectively provided with an anti-slip pad.

As a preferable technical scheme of the utility model, the adjusting structure comprises a reserved groove, the reserved groove is arranged at the top end of the inside of the fixed measuring rod, one side of the top end of the movable measuring rod is fixedly connected with an adjusting screw, the other side of the movable measuring rod is fixedly connected with a limiting plate, and one side of the top end of the fixed measuring rod is provided with a locking screw sleeve.

As a preferable technical scheme of the utility model, the connecting plates are respectively perpendicular to the limiting pieces, and the mounting sleeve is sleeved outside the connecting plates.

As a preferable technical scheme of the utility model, the adjusting screw is perpendicular to the top surface of the movable measuring rod, and the top end of the adjusting screw respectively penetrates through the reserved groove and the inside of the locking screw sleeve.

As a preferable technical scheme of the utility model, the top end of the adjusting screw is fixedly connected with a limiting block, and the limiting block is semicircular.

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

1. through being provided with the structure of making level in one side of fixed measuring staff bottom, cup joint the installation cover outside the connecting plate that sets up in one side bottom of fixed measuring staff both ends when using, the position that cup joints the installation cover is prescribe a limit to through the spacing piece simultaneously, and make the steadiness of being connected between installation cover and the connecting plate through the slipmat that sets up at the connecting plate top, thereby reached can convenient and fast and firm with the purpose of installing the spirit level main part in fixed measuring staff bottom, confirm the horizontal position of measuring the pull rod through the spirit level main part when measuring boiler pressure vessel internal diameter through fixed measuring staff and removal measuring staff, thereby effectually improved the precision of measuring the pull rod when measuring the pressure vessel internal diameter;

2. through being provided with adjusting structure between one side on movable measuring staff top and the inside top of fixed measuring staff, can adjust the length of movable measuring staff grafting in fixed measuring staff inside through adjusting screw runs through the inside position of reservation groove when using to adjust the combination length between fixed measuring staff and the movable measuring staff, and screw up locking swivel nut after the adjustment can stabilize movable measuring staff, measurement pull rod's stability when guaranteeing to measure, and inject movable measuring staff in the inside of fixed measuring staff through the limiting plate, so that measuring staff measures the boiler pressure vessel internal diameter of different internal diameters, realized that more convenient and fast adjusts the effect in order to improve the suitability to the measuring staff, more make things convenient for measuring staff to operate and use.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side view partially in cross-section of the mounting sleeve of the present utility model;

FIG. 3 is a schematic view of a partial perspective structure of a fixed stylus of the present utility model;

fig. 4 is a schematic front view of a partial cross-sectional structure of a fixed measuring rod according to the present utility model.

Wherein: 1. a first plug; 2. moving the measuring rod; 3. a mounting sleeve; 4. a level body; 5. fixing the measuring rod; 6. adjusting a screw; 7. a second plug; 8. a connecting plate; 9. an anti-slip pad; 10. a limiting piece; 11. a reserved groove; 12. a locking screw sleeve; 13. defining a block; 14. the plate is defined.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples

Referring to fig. 1-4, the utility model provides an inner diameter measuring pull rod of a boiler pressure vessel, which comprises a fixed measuring rod 5, wherein a second plug 7 is fixedly connected to the middle position of one side of the fixed measuring rod 5, a movable measuring rod 2 is inserted into one side of the inside of the fixed measuring rod 5, and a first plug 1 is fixedly connected to the middle position of one side of the movable measuring rod 2;

as a further implementation manner of this embodiment, as shown in fig. 1, 2 and 3, a leveling structure is disposed on one side of the bottom end of the fixed measuring rod 5, the leveling structure includes a level main body 4, the level main body 4 is disposed on one side of the bottom end of the fixed measuring rod 5, the top end of the level main body 4 is fixedly connected with a mounting sleeve 3, the bottoms of two sides of the fixed measuring rod 5 are respectively fixedly connected with a connecting plate 8, the mounting sleeve 3 is sleeved outside the connecting plate 8, one side of the connecting plate 8 is respectively fixedly connected with a limiting plate 10, the connecting plate 8 is respectively perpendicular to the limiting plate 10, anti-slip pads 9 disposed on the top of the connecting plate 8 are respectively disposed on the top of the connecting plate 8, so that the connection stability between the mounting sleeve 3 and the connecting plate 8 is achieved, the level main body 4 can be conveniently, quickly and firmly mounted on the bottom end of the fixed measuring rod 5, the horizontal position of the measuring rod is determined through the level main body 4 when the inner diameter of the boiler pressure vessel is measured through the fixed measuring rod 5 and the movable measuring rod 2, and thus the accuracy of the measuring the inner diameter of the pressure vessel is effectively improved;

the installation sleeve 3 is sleeved outside the connecting plate 8 arranged at the bottom of one side of the two ends of the fixed measuring rod 5, the sleeved position of the installation sleeve 3 is limited through the limiting piece 10, and the connection between the installation sleeve 3 and the connecting plate 8 is firmer through the anti-slip pad 9 arranged at the top of the connecting plate 8, so that the level main body 4 is installed at the bottom end of the fixed measuring rod 5, and the horizontal position of the measuring pull rod is determined through the level main body 4;

as a further implementation manner of this embodiment, as shown in fig. 1 and fig. 4, an adjusting structure is provided between one side of the top end of the movable measuring rod 2 and the top end inside the fixed measuring rod 5, the adjusting structure includes a reserved groove 11, the reserved groove 11 is provided at the top end inside the fixed measuring rod 5, the other side of the movable measuring rod 2 is fixedly connected with a limiting plate 14, one side of the top end of the movable measuring rod 2 is fixedly connected with an adjusting screw 6, the adjusting screw 6 is perpendicular to the top surface of the movable measuring rod 2, the top end of the adjusting screw 6 is fixedly connected with a semicircular limiting block 13, one side of the top end of the fixed measuring rod 5 is provided with a locking screw sleeve 12, the top end of the adjusting screw 6 respectively penetrates through the reserved groove 11 and the inside of the locking screw sleeve 12, the combined length between the fixed measuring rod 5 and the movable measuring rod 2 can be adjusted by driving the adjusting screw 6 to move inside the reserved groove 11, the locking screw sleeve 12 can be screwed up before and after the adjusting screw 6 penetrates through the inside the reserved groove 11, the stability of the measuring rod is ensured, thereby realizing more convenient and rapid adjustment of the measuring rod to the measuring effect of the measuring rod in order to improve the applicability, and more convenient operation of a measuring staff;

when the boiler pressure vessel measuring device is used, the length of the movable measuring rod 2 inserted into the fixed measuring rod 5 can be adjusted by adjusting the position of the adjusting screw rod 6 penetrating through the reserved groove 11, the movable measuring rod 2 can be stabilized by screwing the locking screw sleeve 12 after adjustment, and the movable measuring rod 2 is limited in the fixed measuring rod 5 through the limiting plate 14, so that the combined length between the fixed measuring rod 5 and the movable measuring rod 2 can be adjusted, and the inner diameters of boiler pressure vessels with different inner diameters can be measured by measuring staff;

the specific working principle is as follows:

when the inner diameter measuring pull rod is used, the mounting sleeve 3 is sleeved outside the connecting plate 8 arranged at the bottom of one side of the two ends of the fixed measuring rod 5, the sleeved position of the mounting sleeve 3 is limited through the limiting piece 10, the mounting sleeve 3 and the connecting plate 8 are connected more firmly through the anti-slip pad 9 arranged at the top of the connecting plate 8, the level main body 4 is mounted at the bottom end of the fixed measuring rod 5, the locking screw sleeve 12 is unscrewed, the length of the movable measuring rod 2 inserted in the fixed measuring rod 5 can be adjusted by adjusting the position of the adjusting screw 6 penetrating through the reserved groove 11, the combined length between the fixed measuring rod 5 and the movable measuring rod 2 can be adjusted, the movable measuring rod 2 can be stabilized by screwing the locking screw sleeve 12 after adjustment, the first plug 1 and the second plug 7 are respectively propped against two sides of the inner wall of the boiler pressure vessel, the horizontal position of the measuring pull rod is determined through the level main body 4, and then the inner diameter of the vessel can be measured according to the mark.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a boiler pressure vessel's internal diameter measurement pull rod, includes fixed measuring staff (5), its characterized in that: the utility model discloses a fixed measuring rod, including fixed measuring rod (5), fixed measuring rod (5) inside one side peg graft have movable measuring rod (2), the intermediate position department fixedly connected with second top (7) of fixed measuring rod (5) one side, the intermediate position department fixedly connected with first top (1) of movable measuring rod (2) one side on top and fixed measuring rod (5) inside top between be provided with adjusting structure, one side of fixed measuring rod (5) bottom is provided with the structure of making level.

2. An inner diameter measuring tie rod for a boiler pressure vessel as set forth in claim 1 wherein: the leveling structure comprises a level body (4), the level body (4) is arranged on one side of the bottom of a fixed measuring rod (5), the top end of the level body (4) is fixedly connected with a mounting sleeve (3), the bottoms of two ends of the fixed measuring rod (5) are respectively fixedly connected with a connecting plate (8), one side of each connecting plate (8) is respectively fixedly connected with a limiting plate (10), and the tops of the connecting plates (8) are respectively provided with an anti-slip pad (9).

3. An inner diameter measuring tie rod for a boiler pressure vessel as set forth in claim 1 wherein: the adjusting structure comprises a reserved groove (11), the reserved groove (11) is formed in the top end of the inside of the fixed measuring rod (5), one side of the top end of the movable measuring rod (2) is fixedly connected with an adjusting screw (6), the other side of the movable measuring rod (2) is fixedly connected with a limiting plate (14), and one side of the top end of the fixed measuring rod (5) is provided with a locking screw sleeve (12).

4. An inner diameter measuring tie rod for a boiler pressure vessel as claimed in claim 2, wherein: the connecting plates (8) are perpendicular to the limiting plates (10) respectively, and the mounting sleeve (3) is sleeved outside the connecting plates (8).

5. A tie rod for measuring the inner diameter of a boiler pressure vessel according to claim 3, wherein: the adjusting screw (6) is perpendicular to the top surface of the movable measuring rod (2), and the top end of the adjusting screw (6) penetrates through the reserved groove (11) and the locking screw sleeve (12) respectively.

6. A tie rod for measuring the inner diameter of a boiler pressure vessel according to claim 3, wherein: the top end of the adjusting screw (6) is fixedly connected with a limiting block (13), and the limiting block (13) is semicircular.