Support for nondestructive testing of pressure vessel

Abstract

The utility model relates to the technical field of pressure vessel nondestructive testing equipment, in particular to a pressure vessel nondestructive testing support which comprises a mounting frame and a positioning mechanism. The positioning mechanism comprises a positioning frame, a mounting plate, a motor, a gear, a plurality of supporting columns, a plurality of first round rods, a plurality of second round rods, a plurality of connecting blocks and a plurality of abutting pieces, the positioning frame is connected with the mounting frame, the gear ring is rotatably connected with the positioning frame, the supporting columns are fixedly connected with the positioning frame, the supporting columns are provided with sliding grooves, and the abutting pieces are slidably connected with the corresponding sliding grooves; the multiple first round rods are fixedly connected with the gear ring, the multiple second round rods are fixedly connected with the corresponding abutting parts respectively, one ends of the multiple connecting blocks are hinged to the corresponding first round rods respectively, the other ends of the multiple connecting blocks are hinged to the corresponding second round rods respectively, and the mounting plate is fixedly connected with the positioning frame. In this way, the position of the flaw detector can be fixed more conveniently, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nondestructive testing equipment for pressure vessels, in particular to a bracket for nondestructive testing of pressure vessels. Background Art

[0002] Pressure vessels are widely used in people's production and life, but there are safety hazards such as flammability, explosion, corrosion and high temperature. If an explosion or leakage occurs, it will cause environmental pollution and endanger human health. Therefore, the design, production, installation and application of pressure vessels need to be monitored to ensure that the pressure vessels are always in a safe state. Before the pressure vessels are put into use, they need to be non-destructively tested. During the test, a bracket is usually needed to fix the position of the flaw detector.

[0003] As disclosed in the prior art patent publication number CN214749719U, an efficient and stable central exposure bracket for non-destructive testing of pressure vessels is provided. A support member is provided, and the size of the central exposure bracket for non-destructive testing is adjusted by adjusting the screw and nut provided on the support member. The central exposure bracket is suitable for pressure vessels with different inner diameter sizes.

[0004] However, in the above method, the staff is required to manually rotate multiple screws to fix the position of the flaw detector, which takes a long time and results in low detection efficiency. Utility Model Content

[0005] The utility model aims to provide a bracket for nondestructive testing of pressure vessels, aiming to solve the technical problem in the prior art that workers need to manually rotate multiple screws to fix the position of the flaw detector, which takes a long time and leads to low detection efficiency.

[0006] To achieve the above-mentioned purpose, the utility model adopts a bracket for non-destructive testing of pressure vessels, comprising a mounting frame and a positioning mechanism, wherein the mounting frame is used to install a flaw detector, and the positioning mechanism comprises a positioning frame, a mounting plate, a motor, a gear, a plurality of pillars, a gear ring, a plurality of first round rods, a plurality of second round rods, a plurality of connecting blocks and a plurality of abutting members, wherein the positioning frame is connected to the mounting frame, the gear ring is rotatably connected to the positioning frame, a plurality of the pillars are fixedly connected to the positioning frame, the pillars have a slide groove, the abutting member is slidably connected to the corresponding slide groove, a plurality of the first round rods are fixedly connected to the gear ring, a plurality of the second round rods are respectively fixedly connected to the corresponding abutting members, one end of a plurality of connecting blocks is respectively hinged to the corresponding first round rod, the other end of a plurality of connecting blocks is respectively hinged to the corresponding second round rod, the mounting plate is fixedly connected to the positioning frame, the motor is arranged on the mounting plate, the output end of the motor is fixedly connected to the gear, and the gear is meshed with the gear ring.

[0007] Wherein, the positioning mechanism also includes a mounting block and two bolts, the mounting plate has a mounting groove, the mounting block is adapted to the mounting groove, the motor is fixedly connected to the mounting block, one end of the two bolts are inserted into the mounting groove, and are tightened on the mounting block.

[0008] Wherein, the abutting member comprises a sliding rod and a abutting plate, the sliding rod is slidably connected to the corresponding sliding groove, and the abutting plate is fixedly connected to the sliding rod.

[0009] Wherein, the support for non-destructive testing of pressure vessels further includes a stabilizing component, and the stabilizing component is arranged on the positioning frame.

[0010] Wherein, the stabilizing assembly includes a plurality of support rods, a circular ring and a protective member, one end of each of the support rods is fixedly connected to the positioning frame, the other end of each of the support rods is fixedly connected to the circular ring, and the protective member is arranged on the circular ring.

[0011] Wherein, the stabilizing component further includes a spring, and the number of the springs is multiple. The springs are placed in the corresponding sliding grooves, and the two ends of the springs are fixedly connected to the corresponding sliding rods and the pillars respectively.

[0012] The utility model provides a support for nondestructive testing of pressure vessels. During specific use, the positioning frame is first held to place the entire support for nondestructive testing of pressure vessels in the pressure vessel. Then, the motor starts to work, and the output end of the motor drives the gear to rotate, and the gear drives the gear ring to rotate on the positioning frame. The gear ring drives the plurality of first round rods to rotate while rotating. The plurality of first round rods drive one ends of the plurality of connecting blocks to rotate on the corresponding first round rods respectively, and drive the other ends of the plurality of connecting blocks to rotate on the corresponding second round rods respectively. The plurality of connecting blocks drive the plurality of abutting members to slide in the corresponding sliding grooves while rotating, so that the plurality of abutting members are all abutted against the inner wall of the pressure vessel, thereby completing the position fixation of the flaw detector, and making the flaw detector on the central axis of the pressure vessel. In this way, the position fixation of the flaw detector can be more convenient, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model assembled on a pressure vessel.

[0015] Figure 2 It is a structural schematic diagram of the first embodiment of the utility model.

[0016] Figure 3 It is a front view of the first embodiment of the utility model.

[0017] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model assembled on a pressure vessel.

[0018] 101-installation frame, 102-positioning frame, 103-installation plate, 104-motor, 105-gear, 106-pillar, 107-gear ring, 108-first round rod, 109-second round rod, 110-connecting block, 111-installation block, 112-bolt, 113-slide rod, 114-holding plate, 115-slide groove, 116-installation groove, 201-support rod, 202-ring, 203-protective member, 204-spring. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figure 1 to Figure 3 ,in Figure 1 This is a schematic diagram of the structure of the first embodiment of the utility model assembled on a pressure vessel. Figure 2 It is a structural schematic diagram of the first embodiment of the utility model. Figure 3 It is a front view of the first embodiment of the utility model.

[0022] The utility model provides a support for nondestructive testing of pressure vessels, including a mounting frame 101 and a positioning mechanism, wherein the positioning mechanism includes a positioning frame 102, a mounting plate 103, a motor 104, a gear 105, a plurality of pillars 106, a gear ring 107, a plurality of first round rods 108, a plurality of second round rods 109, a plurality of connecting blocks 110, a plurality of abutting members, a mounting block 111 and two bolts 112, wherein the abutting members include a sliding rod 113 and an abutting plate 114, and the above-mentioned scheme solves the technical problem that in the prior art, a worker is required to manually rotate a plurality of screws to fix the position of a flaw detector, and a long time is consumed in the process, thereby resulting in low detection efficiency.

[0023] According to this specific implementation, the installation frame 101 is used to install a flaw detector. When in use, the flaw detector is used to perform nondestructive testing on the pressure vessel.

[0024] Wherein, the positioning frame 102 is connected to the mounting frame 101, the gear ring 107 is rotatably connected to the positioning frame 102, the plurality of pillars 106 are fixedly connected to the positioning frame 102, the pillars 106 have a slide groove 115, the abutment is slidably connected to the corresponding slide groove 115, the plurality of first round rods 108 are fixedly connected to the gear ring 107, the plurality of second round rods 109 are respectively fixedly connected to the corresponding abutment, one end of the plurality of connecting blocks 110 are respectively hinged to the corresponding first round rod 108, the other end of the plurality of connecting blocks 110 are respectively hinged to the corresponding second round rod 109, the mounting plate 103 is fixedly connected to the positioning frame 102, the motor 104 is arranged on the mounting plate 103, the output end of the motor 104 is fixedly connected to the gear 105, the gear 105 is meshed with the gear ring 107, and when in specific use, the positioning frame 102 is first held. , the entire pressure vessel nondestructive testing bracket is placed in the pressure vessel, and then the motor 104 starts to work, the output end of the motor 104 drives the gear 105 to rotate, and the gear 105 drives the gear ring 107 to rotate on the positioning frame 102, and the gear ring 107 drives the first round rods 108 to rotate while the first round rods 108 drive the first round rods 108 to rotate on the corresponding first round rods 108, and drive the other ends of the connecting blocks 110 to rotate on the corresponding second round rods 109, and the connecting blocks 110 drive the abutting members to slide in the corresponding slide grooves 115 while rotating, so that the abutting members are all abutted against the inner wall of the pressure vessel, and the position of the flaw detector is fixed, and the flaw detector is placed on the central axis of the pressure vessel. In this way, the position of the flaw detector can be fixed more conveniently, and the detection efficiency is improved.

[0025] Secondly, the mounting plate 103 has a mounting groove 116, the mounting block 111 is adapted to the mounting groove 116, the motor 104 is fixedly connected to the mounting block 111, one end of the two bolts 112 are inserted into the mounting groove 116, and are tightened on the mounting block 111. When in specific use, when installing the motor 104, the mounting block 111 is placed in the mounting groove 116, one end of the two bolts 112 are inserted into the mounting groove 116, and are tightened on the mounting block 111, and the installation of the motor 104 can be completed, otherwise it is easy to disassemble.

[0026] At the same time, the sliding rod 113 is slidably connected to the corresponding sliding groove 115, and the supporting plate 114 is fixedly connected to the sliding rod 113. When in use, the connecting block 110 drives the sliding rod 113 to slide in the corresponding sliding groove 115 when rotating, and the sliding rod 113 drives the supporting plate 114 to support the pressure vessel.

[0027] When using the pressure vessel nondestructive testing bracket of the present embodiment, first hold the positioning frame 102, place the entire pressure vessel nondestructive testing bracket in the pressure vessel, then the motor 104 starts to work, the output end of the motor 104 drives the gear 105 to rotate, the gear 105 drives the gear ring 107 to rotate on the positioning frame 102, the gear ring 107 drives the first round rods 108 to rotate while the first round rods 108 drive one ends of the connection blocks 110 to rotate on the corresponding first round rods 108, and drive the other ends of the connection blocks 110 to rotate on the corresponding second round rods 109, and the connection blocks 110 drive the abutting members to slide in the corresponding slide grooves 115 while rotating, so that the abutting members are all abutted against the inner wall of the pressure vessel, the position of the flaw detector is fixed, and the flaw detector is located on the central axis of the pressure vessel. In this way, the position of the flaw detector can be fixed more conveniently, thereby improving the detection efficiency.

[0028] The second embodiment of the present application is:

[0029] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of the second embodiment of the utility model assembled on a pressure vessel.

[0030] The utility model provides a support for nondestructive testing of pressure vessels, which also includes a stabilizing component. The stabilizing component includes a plurality of supporting rods 201 , a ring 202 , a protective member 203 and a spring 204 .

[0031] According to this specific embodiment, the stabilizing component is disposed on the positioning frame 102 . When used, the stabilizing component can improve the stability of the entire device.

[0032] Among them, one end of the multiple support rods 201 is fixedly connected to the positioning frame 102, and the other end of the multiple support rods 201 is fixedly connected to the ring 202. The protective member 203 is arranged on the ring 202. By holding the ring 202, the positioning frame 102 can be carried and held more conveniently, and the protective member 203 can enhance the anti-slip effect when holding.

[0033] Secondly, there are multiple springs 204, and each spring 204 is placed in the corresponding slide groove 115. The two ends of the spring 204 are respectively fixedly connected to the corresponding slide rod 113 and the support 106. By setting the spring 204, when the slide rod 113 slides, the spring 204 is correspondingly extended and retracted, thereby improving the stability of the retractable slide rod 113.

[0034] When using a bracket for non-destructive testing of pressure vessels according to the present embodiment, by holding the ring 202, the positioning frame 102 can be carried and held more conveniently, and the protective member 203 can enhance the anti-slip effect when holding. By providing the spring 204, when the slide rod 113 slides, the spring 204 is correspondingly extended and retracted, thereby enhancing the stability of the retractable slide rod 113.

[0035] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A support for nondestructive testing of pressure vessels, comprising a mounting frame, wherein the mounting frame is used to install a flaw detector, characterized in that: Also includes a positioning mechanism; The positioning mechanism includes a positioning frame, a mounting plate, a motor, a gear, a plurality of pillars, a gear ring, a plurality of first round rods, a plurality of second round rods, a plurality of connecting blocks and a plurality of abutting members, the positioning frame is connected to the mounting frame, the gear ring is rotatably connected to the positioning frame, a plurality of pillars are fixedly connected to the positioning frame, the pillars have slide grooves, the abutting members are slidably connected to the corresponding slide grooves, a plurality of first round rods are fixedly connected to the gear ring, a plurality of second round rods are respectively fixedly connected to the corresponding abutting members, one end of a plurality of connecting blocks are respectively hinged to the corresponding first round rods, the other ends of a plurality of connecting blocks are respectively hinged to the corresponding second round rods, the mounting plate is fixedly connected to the positioning frame, the motor is arranged on the mounting plate, the output end of the motor is fixedly connected to the gear, and the gear is meshed with the gear ring.

2. The support for nondestructive testing of pressure vessels according to claim 1, characterized in that: The positioning mechanism also includes a mounting block and two bolts. The mounting plate has a mounting groove. The mounting block is adapted to the mounting groove. The motor is fixedly connected to the mounting block. One end of the two bolts are inserted into the mounting groove and are tightened on the mounting block.

3. The support for nondestructive testing of pressure vessels according to claim 2, characterized in that: The abutting member comprises a sliding rod and a abutting plate. The sliding rod is slidably connected to the corresponding sliding groove, and the abutting plate is fixedly connected to the sliding rod.

4. The support for nondestructive testing of pressure vessels according to claim 3, characterized in that: The support for nondestructive testing of pressure vessels further comprises a stabilizing component, and the stabilizing component is arranged on the positioning frame.

5. The support for nondestructive testing of pressure vessels according to claim 4, characterized in that: The stabilizing assembly comprises a plurality of supporting rods, a circular ring and a protective member, one end of each of the supporting rods is fixedly connected to the positioning frame, the other end of each of the supporting rods is fixedly connected to the circular ring, and the protective member is arranged on the circular ring.

6. The support for nondestructive testing of pressure vessels according to claim 5, characterized in that: The stabilizing component also includes a spring, and the number of the springs is multiple. The springs are placed in the corresponding sliding grooves, and the two ends of the springs are fixedly connected to the corresponding sliding rods and the pillars respectively.

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