Positioning structure for pressure pipeline inspection control

Abstract

The utility model discloses a positioning structure for pressure pipeline inspection control, which relates to the technical field of pressure pipeline inspection, and comprises a device main body, the outer wall of the device main body is fixedly connected with a positioning block, the outer wall of the positioning block is provided with a pipeline main body, and the side wall of the device main body is rotatably connected with a first threaded rod. One end of the first threaded rod is fixedly connected with a knob, the outer wall of the first threaded rod is in threaded connection with a lifting rod which is in sliding connection with the outer wall of the device main body, and by arranging the lifting rod, when the positioning device is used for assisting the inspection of the pressure pipeline, in order to improve the positioning convenience of the positioning device for the pipelines at different positions, the positioning device is convenient to operate; and when the device needs to be moved, a rotary knob is rotated to drive a lifting rod to slide along the inner wall of a sliding groove through rotation of a first threaded rod, sliding of the lifting rod drives a universal rolling wheel to conduct height adjusting motion, and the effect of improving positioning inspection of the positioning device on pipelines at different positions is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure pipeline inspection, in particular to a positioning structure for pressure pipeline inspection control. Background Art

[0002] When using a pressure vessel to test the pressure of a pipeline, the pipeline is generally passed directly through the pressure vessel. This method makes it easy for the pipeline itself to move when the pressure vessel is testing the pipeline pressure. There is no precise positioning and limiting structure. When testing pipelines of different diameters through the pressure vessel, the measurement structure is not accurate enough.

[0003] For example, the announcement number CN218018147U discloses a positioning structure for pressure pipeline inspection and control, including a base, a motor A is installed on one side of the top of the base, a bidirectional threaded rod is provided at the output end of the motor A, movable plates are threadedly connected on both sides of the outer side of the bidirectional threaded rod, a rotating plate is sleeved on the middle part of the side where two groups of movable plates are close to each other, and a push rod is installed in the middle part of the side where two groups of rotating plates are close to each other; the utility model cooperates with each other between the bidirectional threaded rod, the motor A, the movable plate, the rotating plate, the clamping plate, the guide rod, the clamping plate, the movable groove, the hinged rod, the spring and the sliding sleeve, so that when the device performs fixed inspection on the pressure pipeline, the two groups of movable plates can be controlled to approach each other, and the two groups of clamping plates are used to clamp on both sides of the pipeline to fix the pipeline once, and then the rotating plate can continue to push the four groups of clamping plates to expand outward synchronously, so that the clamping plates are clamped on the inner wall of the pipeline to fix the pipeline for a second time.

[0004] However, although this kind of positioning structure for pressure pipeline inspection and control can perform convenient positioning operations on the pipeline when in use, the use position of the positioning device is relatively fixed when the positioning device is used, so that when it is necessary to inspect pipelines in different positions, the inspectors will need to frequently move the pipelines, increasing the workload of the inspectors.

[0005] Therefore, in view of this, the shortcomings of the existing structure are studied and improved, and a positioning structure for pressure pipeline inspection and control is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a positioning structure for pressure pipeline inspection control, so as to solve the problem that the use position of the device is relatively fixed proposed in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning structure for pressure pipeline inspection and control, including a device body, an outer wall of the device body is fixedly connected to a positioning block, the outer wall of the positioning block is placed with a pipeline body, the side wall of the device body is rotatably connected to a first threaded rod, one end of the first threaded rod is fixedly connected to a knob, the outer wall of the first threaded rod is threadedly connected to a lifting rod slidably connected to the outer wall of the device body, a sliding groove is provided at the connection position between the outer wall of the device body and the lifting rod, and the outer wall of the lifting rod is movably connected to a universal roller.

[0008] Furthermore, the inner wall of the device body is rotatably connected to a second threaded rod, one end of the second threaded rod is fixedly connected to a servo motor, the outer wall of the second threaded rod is threadedly connected to a threaded sliding rod slidably connected to the inner wall of the device body, a fixing groove is provided at the connection position between the inner wall of the device body and the threaded sliding rod, the outer wall of the threaded sliding rod is rotatably connected to a rotating rod, one end of the rotating rod is rotatably connected to a sliding rod slidably connected to the outer wall of the device body, a limiting groove is provided at the connection position between the outer wall of the device body and the sliding rod, and the outer wall of the sliding rod is fixedly connected to a clamping block located on one side of the pipe body.

[0009] Furthermore, two groups of lifting rods are provided, and the positions of the two groups of lifting rods are distributed symmetrically with respect to the central axis of the device body.

[0010] Furthermore, two groups of universal rollers are provided, and the positions of the two groups of universal rollers are distributed symmetrically with respect to the central axis of the lifting rod.

[0011] Furthermore, two groups of the second threaded rods are provided, and the rotation directions of the two groups of the second threaded rods are opposite.

[0012] Furthermore, two groups of rotating rods are provided, and the positions of the two groups of rotating rods are distributed symmetrically with respect to the central axis of the threaded sliding rod.

[0013] Furthermore, two groups of the sliding rods and the clamping blocks are provided, and the positions of the two groups of the sliding rods and the clamping blocks are distributed symmetrically with respect to the central axis of the pipe body.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model is provided with a lifting rod. When the positioning device is used to assist the pressure pipeline in inspection, in order to improve the convenience of the positioning device in positioning pipelines at different positions and improve the convenience of moving the device, when the device needs to be moved, the knob can be turned to drive the lifting rod to slide along the inner wall of the slide groove through the rotation of the first threaded rod. The sliding of the lifting rod drives the universal roller to perform height adjustment movement, thereby improving the effect of the positioning device in positioning and inspecting pipelines at different positions;

[0016] 2. The utility model provides a clamping block. When the positioning device is used to assist in the inspection of the pressure pipeline, in order to improve the convenience of pre-positioning the pipeline and the convenience of clamping and fixing the pipeline, the pipeline can be placed on the outer wall of the positioning block first, and the servo motor is turned on to drive the threaded slide rod to slide along the inner wall of the fixed groove through the rotation of the second threaded rod. The sliding of the threaded slide rod drives the slide rod to slide along the inner wall of the limit groove through the rotation of the rotating rod, and drives the clamping block to clamp and fix the two sides of the pipeline, thereby achieving the effect of improving the convenience of pipeline positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the three-dimensional structure of the positioning device;

[0018] Figure 2 is a schematic diagram of the three-dimensional structure of the positioning device in another direction;

[0019] Figure 3 It is a schematic diagram of the connection structure between the lifting rod and the universal roller;

[0020] Figure 4 It is a schematic diagram of the connection structure between the threaded sliding rod and the rotating rod.

[0021] In the figure: 1. device body; 11. positioning block; 12. pipe body; 2. first threaded rod; 21. knob; 22. lifting rod; 23. slide groove; 24. universal roller; 3. second threaded rod; 31. servo motor; 32. threaded slide rod; 33. fixed groove; 34. rotating rod; 35. sliding rod; 36. limit groove; 37. clamping block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1: Figure 1-Figure 3 As shown, a positioning structure for pressure pipeline inspection and control includes a device body 1, an outer wall of the device body 1 is fixedly connected to a positioning block 11, an outer wall of the positioning block 11 is placed with a pipeline body 12, a side wall of the device body 1 is rotatably connected to a first threaded rod 2, one end of the first threaded rod 2 is fixedly connected to a knob 21, the outer wall of the first threaded rod 2 is threadedly connected to a lifting rod 22 that is slidably connected to the outer wall of the device body 1, a sliding groove 23 is provided at the connection position between the outer wall of the device body 1 and the lifting rod 22, and the outer wall of the lifting rod 22 is movably connected to a universal roller 24.

[0024] Furthermore, two groups of lifting rods 22 are provided, and the positions of the two groups of lifting rods 22 are symmetrical about the central axis of the device body 1, which is beneficial for achieving the control operation of effectively storing the universal roller 24 by providing two groups of lifting rods 22 whose positions are symmetrical about the central axis of the device body 1.

[0025] Furthermore, two groups of universal rollers 24 are provided, and the positions of the two groups of universal rollers 24 are distributed symmetrically about the central axis of the lifting rod 22. The universal rollers 24 form a lifting structure with the device body 1 through the lifting rod 22 and the slide groove 23, thereby improving the effect of the positioning device on the positioning inspection of pipelines at different positions.

[0026] Embodiment 2: Figure 1 , Figure 2 and Figure 4 As shown, a positioning structure for pressure pipeline inspection control proposed by the utility model, compared with the first embodiment, as another implementation mode of the utility model, the inner wall of the device body 1 is rotatably connected with a second threaded rod 3, one end of the second threaded rod 3 is fixedly connected with a servo motor 31, the outer wall of the second threaded rod 3 is threadedly connected with a threaded slide rod 32 slidably connected to the inner wall of the device body 1, a fixing groove 33 is provided at the connection position between the inner wall of the device body 1 and the threaded slide rod 32, the outer wall of the threaded slide rod 32 is rotatably connected with a rotating rod 34, one end of the rotating rod 34 is rotatably connected with a sliding rod 35 slidably connected to the outer wall of the device body 1, and a limiting groove is provided at the connection position between the outer wall of the device body 1 and the sliding rod 35 36. The outer wall of the sliding rod 35 is fixedly connected with a clamping block 37 located on one side of the pipeline body 12. When working, by setting the clamping block 37, it is beneficial to first place the pipeline on the outer wall of the positioning block 11 when the pressure pipeline is inspected by the positioning device to improve the convenience of pre-positioning the pipeline and the convenience of clamping and fixing the pipeline. The servo motor 31 is turned on to drive the threaded sliding rod 32 to slide along the inner wall of the fixing groove 33 through the rotation of the second threaded rod 3. The sliding of the threaded sliding rod 32 drives the sliding rod 35 to slide along the inner wall of the limiting groove 36 through the rotation of the rotating rod 34, and drives the clamping block 37 to clamp and fix the two sides of the pipeline, thereby achieving the effect of improving the convenience of pipeline positioning.

[0027] Furthermore, two groups of second threaded rods 3 are provided, and the rotation directions of the two groups of second threaded rods 3 are opposite, which is beneficial for achieving the control operation of driving the two groups of threaded sliding rods 32 to slide relative to each other by providing two groups of second threaded rods 3 with opposite rotation directions.

[0028] Furthermore, two groups of rotating rods 34 are provided, and the position distribution of the two groups of rotating rods 34 is symmetrical about the central axis of the threaded sliding rod 32, which is beneficial for achieving the control operation of driving the two groups of sliding rods 35 to slide relative to each other by providing two groups of rotating rods 34 whose position distribution is symmetrical about the central axis of the threaded sliding rod 32.

[0029] Furthermore, two groups of sliding rods 35 and clamping blocks 37 are provided, and the position distribution of the two groups of sliding rods 35 and clamping blocks 37 is symmetrical about the central axis of the pipe body 12. The clamping blocks 37 form a sliding structure through the rotating rod 34 and the sliding rod 35 and the limiting groove 36, and perform clamping and fixing movements on both sides of the pipe, thereby achieving the effect of improving the convenience of pipe positioning.

[0030] Working principle: When using this kind of positioning structure for pressure pipeline inspection control, first, when the positioning device is used to assist the pressure pipeline in inspection, in order to improve the convenience of the positioning device in positioning pipelines at different positions and improve the convenience of moving the device, when the device needs to be moved, the knob 21 can be turned to drive the lifting rod 22 to slide along the inner wall of the slide groove 23 through the rotation of the first threaded rod 2. The sliding of the lifting rod 22 drives the universal roller 24 to perform height adjustment movement, thereby improving the effect of the positioning device on positioning inspection of pipelines at different positions.

[0031] Finally, when the pressure pipeline inspection is assisted by the positioning device, in order to improve the convenience of pre-positioning the pipeline and the convenience of clamping and fixing the pipeline, the pipeline can be placed on the outer wall of the positioning block 11 first, and the servo motor 31 is turned on to drive the threaded slide rod 32 to slide along the inner wall of the fixing groove 33 through the rotation of the second threaded rod 3. The sliding of the threaded slide rod 32 drives the sliding rod 35 to slide along the inner wall of the limiting groove 36 through the rotation of the rotating rod 34, and drives the clamping block 37 to clamp and fix the two sides of the pipeline, thereby achieving the effect of improving the convenience of pipeline positioning.

[0032] This is the working principle of the positioning structure for pressure pipeline inspection and control.

[0033] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A positioning structure for pressure pipeline inspection and control, comprising a device body (1), characterized in that: The outer wall of the device body (1) is fixedly connected to a positioning block (11), the outer wall of the positioning block (11) is provided with a pipe body (12), the side wall of the device body (1) is rotatably connected to a first threaded rod (2), one end of the first threaded rod (2) is fixedly connected to a knob (21), the outer wall of the first threaded rod (2) is threadedly connected to a lifting rod (22) slidably connected to the outer wall of the device body (1), a sliding groove (23) is provided at the connection portion between the outer wall of the device body (1) and the lifting rod (22), and the outer wall of the lifting rod (22) is movably connected to a universal roller (24).

2. A positioning structure for pressure pipeline inspection and control according to claim 1, characterized in that: The inner wall of the device body (1) is rotatably connected to a second threaded rod (3), one end of the second threaded rod (3) is fixedly connected to a servo motor (31), the outer wall of the second threaded rod (3) is threadedly connected to a threaded sliding rod (32) slidably connected to the inner wall of the device body (1), a fixing groove (33) is provided at the connection position between the inner wall of the device body (1) and the threaded sliding rod (32), the outer wall of the threaded sliding rod (32) is rotatably connected to a rotating rod (34), one end of the rotating rod (34) is rotatably connected to a sliding rod (35) slidably connected to the outer wall of the device body (1), a limiting groove (36) is provided at the connection position between the outer wall of the device body (1) and the sliding rod (35), and the outer wall of the sliding rod (35) is fixedly connected to a clamping block (37) located on one side of the pipe body (12).

3. A positioning structure for pressure pipeline inspection and control according to claim 1, characterized in that: Two groups of lifting rods (22) are provided, and the positions of the two groups of lifting rods (22) are distributed symmetrically with respect to the central axis of the device body (1).

4. A positioning structure for pressure pipeline inspection and control according to claim 1, characterized in that: Two groups of universal rollers (24) are provided, and the positions of the two groups of universal rollers (24) are distributed symmetrically with respect to the central axis of the lifting rod (22).

5. A positioning structure for pressure pipeline inspection and control according to claim 2, characterized in that: Two groups of the second threaded rods (3) are provided, and the rotation directions of the two groups of the second threaded rods (3) are opposite.

6. A positioning structure for pressure pipeline inspection and control according to claim 2, characterized in that: Two groups of rotating rods (34) are provided, and the positions of the two groups of rotating rods (34) are distributed symmetrically with respect to the central axis of the threaded sliding rod (32).

7. A positioning structure for pressure pipeline inspection and control according to claim 2, characterized in that: The sliding rods (35) and the clamping blocks (37) are provided in two groups, and the positions of the two groups of the sliding rods (35) and the clamping blocks (37) are distributed symmetrically with respect to the central axis of the pipe body (12).

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