Nondestructive testing trolley
By designing the walking, clamping, and leveling components of the non-destructive testing carriage, the problem of non-destructive testing at weld seams in narrow pipes was solved, improving testing efficiency and stability, increasing the film bonding range, simplifying the adjustment time, and improving the film bonding efficiency.
Patent Information
- Application Number
- CN202520187309.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-06
AI Technical Summary
In the existing technology, non-destructive testing of weld seams in narrow pipes is difficult, and it is hard for inspectors to manually apply patches.
Design a non-destructive testing trolley equipped with a walking component, a clamping component, and a leveling component. It moves along the inner wall of the pipe using tracks and magnetic components. The clamping component adjusts its position through a sliding frame and a clamping frame. The leveling component ensures that the film adheres to the pipe and adapts to different pipe inner diameters.
It improves the efficiency and stability of non-destructive testing of welds in narrow pipes, increases the bonding range of the film, simplifies the adjustment time, and improves the bonding efficiency.
Smart Images
Figure CN223750997U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of non-destructive testing, in particular to a non-destructive testing trolley. BACKGROUND
[0002] Non-destructive testing technology is a technology for checking or testing the internal and surface defects of materials, parts, equipment and the like by using the physical quantity changes caused by the abnormal internal structure or defects of the materials under the premise of not destroying or damaging the use performance, internal structure or appearance of the detected object.
[0003] After two pipelines are welded and fixed, in order to ensure the welding quality and safe use, non-destructive testing needs to be performed on the weld. At present, the non-destructive testing on the weld usually adopts a ray detection method. For a pipeline with a large inner diameter, a detection film can be directly pasted on the weld by a worker entering the pipeline manually. However, for a narrow pipeline, it is difficult for the worker to manually paste the film.
[0004] In the related art, the present application provides a non-destructive testing trolley for pasting a film in a narrow space. CONTENT OF THE INVENTION
[0005] In order to facilitate the pasting of the film in the narrow space for non-destructive testing, the present application provides a non-destructive testing trolley.
[0006] The non-destructive testing trolley provided by the present application adopts the following technical solution:
[0007] The non-destructive testing trolley comprises a trolley body, a walking assembly for driving the trolley body to move, a clamping assembly arranged on the trolley body and used for mounting a film, and a leveling assembly used for leveling the film.
[0008] By adopting the above technical solution, when non-destructive testing needs to be performed on a narrow pipeline or space, the above non-destructive testing trolley is adopted. The trolley body is moved to the weld by the walking assembly, then the film is moved by the clamping assembly so that the film corresponds to the weld, and finally the film is pasted on the weld by the leveling assembly. After the ray detection is completed, the trolley body takes out the film. The walking assembly adopts the form of a track, which can better paste the inner wall of the pipeline. Compared with the form of a wheel, the walking assembly has the advantage of stable walking. Under the action of the magnetic member, the trolley body can move along the inner wall of the pipeline, thereby improving the pasting range of the film.
[0009] Optionally, the clamping assembly comprises a sliding frame body slidably mounted on the trolley body and a clamping frame body rotatably arranged on the sliding frame body.
[0010] By adopting the technical scheme, the structure of the clamping assembly is disclosed, the sliding frame body is slidingly installed on the trolley body, and the clamping frame body is rotationally installed on the sliding frame body, so that the clamping assembly can move back and forth according to the position of the weld, and the clamping frame body is rotated to the side facing the weld, thereby saving the time for adjusting the position of the trolley body and improving the patching efficiency.
[0011] Optionally, the bottom of the sliding frame body is provided with a T-shaped sliding rail, and the top of the trolley body is provided with a T-shaped sliding groove matched with the T-shaped sliding rail.
[0012] By adopting the technical scheme, when the trolley body walks in an inverted posture on the top of the inner wall of the pipeline, the cooperation of the T-shaped sliding rail and the T-shaped sliding groove makes the sliding cooperation of the sliding frame body and the trolley body more stable.
[0013] Optionally, the clamping frame body comprises two groups of clamping arc rods for fixing the two ends of the film and a connecting rod connected with the clamping arc rods, and the end of the connecting rod is provided with a rotating sleeve rotationally matched with the sliding frame body.
[0014] By adopting the technical scheme, the structure of the clamping frame body is disclosed, the two ends of the film are fixed on the two clamping arc rods respectively, so that the film is in an initial straight state, the connecting rod and the sliding frame body are rotationally matched, so that the clamping frame body can rotate according to the position of the weld, so that the clamping arc rod can be attached to the inner wall of the pipeline, and the attachment effect of the film is more ideal.
[0015] Optionally, the connecting rod and the clamping arc rod are detachably connected, the inner side wall of the clamping arc rod is provided with an insertion slot for inserting the connecting rod, the end of the connecting rod is provided with a plunger, and the clamping arc rod is provided with a locking hole on the inner wall of the insertion slot, which is locked and matched with the plunger.
[0016] By adopting the technical scheme, the connecting rod and the clamping arc rod are detachably connected, so that the clamping assembly can select the appropriate clamping arc rod according to the inner diameter of the detected pipeline, and the clamping of the clamping arc rod and the inner wall of the pipeline is ensured.
[0017] Optionally, the plunger comprises a plunger shell, a plunger locking block and a plunger spring connecting the plunger shell and the plunger locking block, and the side of the plunger locking block facing the insertion slot is provided with a guide inclined surface.
[0018] By adopting the technical scheme, the structure of the plunger is simple and convenient to assemble, and the plunger locking block is inserted into the locking hole of the clamping arc rod through the arrangement of the guide inclined surface, so that the assembly efficiency is high.
[0019] Optionally, the locking hole penetrates through the side wall of the clamping arc rod, and the clamping arc rod is slidingly installed with a pushing block at the locking hole.
[0020] By adopting the above technical solution and setting the push block, the testing personnel can drive the push block, and the plunger locking block is pressed into the plunger housing, which facilitates the disassembly of the clamping arc rod and connecting rod.
[0021] Optionally, the push block is provided with a pressing part that protrudes from the side wall of the clamping arc rod and is used for pressing, and the push block is fitted with a reset elastic element in the area of the locking hole.
[0022] By adopting the above technical solution, the structure of the push block is further disclosed. The tester presses the pressing part to make the push block move horizontally. After releasing the pressing, the push block is reset under the action of the reset elastic element, which facilitates the next locking.
[0023] Optionally, the leveling assembly includes a rotating frame sleeved on the sliding frame, a leveling frame disposed on the rotating frame and used to abut against the film, and a leveling drive for driving the leveling frame to move. The rotating frame is provided with a limiting groove, and the sliding frame has a limiting rib that slides and engages with the limiting groove.
[0024] By adopting the above technical solution, the structure of the leveling component is disclosed. The leveling component is rotatably mounted on the sliding frame and fixedly connected to the rotating sleeve. That is, the leveling component and the clamping frame can rotate synchronously, which facilitates the leveling component to perform pressing and leveling operations on the film.
[0025] Optionally, the leveling frame includes a leveling fixing plate, a leveling sliding plate that abuts against the film, and a leveling elastic member. The two ends of the leveling elastic member are connected to the leveling fixing plate and the leveling sliding plate, and one side of the leveling sliding plate has a driving slope.
[0026] By adopting the above technical solution, the leveling sliding plate is connected to the leveling elastic element and the leveling fixed plate. When the leveling sliding plate encounters uneven areas during leveling, the leveling elastic element can shrink the leveling sliding plate inward to ensure the stability of leveling.
[0027] In summary, this application includes at least one of the following beneficial technical effects:
[0028] 1. By setting up the walking component, this application enables the trolley body to move along the inner wall of the pipe, making the movement more stable and increasing the adhesion range of the film;
[0029] 2. This application enables the clamping assembly to move back and forth according to the position of the weld by sliding the sliding frame and rotating the clamping frame, thus saving the time of the trolley body adjusting its own position;
[0030] 3. The application can select the clamping arc rod according to the inner wall of the pipe by disassembling the clamping arc rod and the connecting rod, so that the trolley body can be adapted, the disassembly structure is simple, and the disassembly efficiency is high. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 is the overall structure schematic diagram of the embodiment of the application.
[0032] Figure 2 is the exploded schematic diagram of the trolley body and the clamping assembly of the embodiment of the application.
[0033] Figure 3 is the exploded schematic diagram of the clamping arc rod and the connecting rod of the embodiment of the application.
[0034] Figure 4 is the cross-sectional schematic diagram of the clamping arc rod and the connecting rod after cooperation of the embodiment of the application.
[0035] Figure 5 is the structure schematic diagram of the leveling assembly of the embodiment of the application.
[0036] Mark 1, trolley body; 11, T-shaped sliding groove; 2, walking assembly; 21, driving wheel set; 22, annular track; 23, magnetic attraction piece; 3, clamping assembly; 31, sliding frame body; 311, sliding seat; 3111, T-shaped sliding rail; 312, fixed rod; 3121, arc plate; 313, fixed column; 3131, limiting rib; 314, sliding driving piece; 32, clamping frame body; 321, clamping arc rod; 3211, plug-in groove; 3212, locking hole; 3213, clamping elastic piece; 322, connecting rod; 3221, connecting sleeve; 3222, plug-in rod; 323, plunger piece; 3231, plunger shell; 3232, plunger locking block; 3233, plunger spring; 3234, guide inclined surface; 324, pushing block; 325, reset elastic piece; 4, leveling assembly; 41, rotating frame body; 411, limiting rib groove; 412, extension frame body; 42, leveling frame body; 421, leveling fixed plate; 422, leveling sliding plate; 4221, driving inclined surface; 423, leveling elastic piece; 43, leveling driving piece. DETAILED DESCRIPTION
[0037] The following will be described in detail in combination with the accompanying drawings. Figures 1-5 The application will be further described in detail.
[0038] The embodiment of the application discloses a nondestructive testing trolley.
[0039] Reference Figure 1 A nondestructive testing trolley, comprising a trolley body 1, a walking assembly 2 for driving the trolley body 1 to move, a clamping assembly 3 for clamping a film, and a leveling assembly 4 for leveling and pressing the film.
[0040] The walking assembly 2 comprises a driving wheel set 21 rotatably mounted on opposite sides of the trolley body 1, a ring-shaped track 22 arranged around the driving wheel set 21, and a magnetic attraction member 23 arranged on the ring-shaped track 22.
[0041] The driving wheel set 21 comprises a driving sprocket and a driven sprocket. The ring-shaped track 22 is arranged around the driving sprocket and the driven sprocket to form a continuous moving path. In the embodiment, the driving source of the driving wheel set 21 is a motor which is fixedly mounted on the trolley body 1 and connected to the driving sprocket through a gear transmission.
[0042] The magnetic attraction member 23 is arranged in the track in a spaced manner along the moving direction of the ring-shaped track 22, so that the trolley body 1 can be attracted and walked along the inner wall of the pipeline when walking on the inner wall of the pipeline.
[0043] With reference to Figure 1 and Figure 2 , the clamping assembly 3 comprises a sliding frame 31 and a clamping frame 32. The sliding frame 31 is slidably mounted on the trolley body 1 and comprises a sliding seat 311, fixed rods 312 mounted on opposite sides of the sliding seat 311, and a fixed column 313 connected to the two fixed rods 312. The side wall of the fixed rod 312 is provided with a motor for driving the rotation of the fixed column 313.
[0044] The bottom of the sliding seat 311 is integrally provided with a T-shaped sliding rail 3111, and the top of the trolley body 1 is provided with a T-shaped sliding groove 11 which cooperates with the T-shaped sliding rail 3111 to slide. The trolley body 1 is further provided with a sliding drive 314 for driving the movement of the sliding seat 311. The sliding drive 314 is a motor screw rod in the prior art, and the screw rod of the sliding drive 314 penetrates through the sliding seat 311 and cooperates with the sliding seat 311 in a threaded manner.
[0045] With reference to Figure 2 and Figure 3 , the clamping frame 32 is rotatably mounted on the sliding frame 31 and comprises clamping arc rods 321 for fixing both ends of the film and a connecting rod 322 connecting the clamping arc rods 321 and the fixed column 313. The outer arc surface of the clamping arc rod 321 faces the inner wall of the pipeline to be measured, and the clamping arc rod 321 is provided with clamping elastic pieces 3213 for clamping the film.
[0046] With reference to Figure 4The connecting rod 322 has a connecting sleeve 3221 sleeved on the fixed column 313, and the connecting sleeve 3221 is fixedly connected with the fixed column 313, so that the two groups of connecting rods 322 can rotate synchronously with the fixed column 313. The connecting rod 322 has a plug-in rod 3222 clamped and plugged with the clamping arc rod 321. The end of the plug-in rod 3222 is provided with a mounting groove, and the plug-in rod 3222 is provided with a plunger piece 323 in the mounting groove. The plunger piece 323 includes a plunger shell 3231, a plunger locking block 3232 and a plunger spring 3233. The two ends of the plunger spring 3233 are fixedly connected with the bottom wall of the plunger shell 3231 and the plunger locking block 3232 respectively.
[0047] The inner wall of the clamping arc rod 321 has a plug-in groove 3211 for inserting the plug-in rod 3222. The clamping arc rod 321 is provided with a locking hole 3212 on the inner wall of the plug-in groove 3211, which cooperates with the plunger locking block 3232. The end of the plunger locking block 3232 has a guide insertion inclined surface 3234 in the plug-in groove 3211, so as to improve the efficiency of the plunger locking block 3232 being pressed into the plunger shell 3231.
[0048] In order to improve the disassembly efficiency of the clamping arc rod 321 and the plug-in rod 3222, a pushing block 324 is installed on the clamping arc rod 321. In this embodiment, the end of the locking hole 3212 away from the plug-in groove 3211 penetrates through the clamping arc rod 321. The locking hole 3212 is a stepped hole as a whole, and the inner diameter of the side close to the plug-in groove 3211 is smaller. The pushing block 324 is slidingly installed in the locking hole 3212, and has a pressing part protruding from the side wall of the clamping arc rod 321. The part of the pushing block 324 in the locking hole 3212 is sleeved with a reset elastic member 325, and the reset elastic member 325 is a spring, so that after the pressing of the pushing block 324 is released, the pushing block 324 can be automatically reset under the action of the reset elastic member 325.
[0049] Referring to Figure 2 and Figure 5 , the leveling assembly 4 includes a rotating frame body 41, a leveling frame body 42 and a leveling driving piece 43. The rotating frame body 41 is sleeved on the fixed column 313, and is located between the two groups of connecting rods 322. The inner side wall of the rotating frame body 41 is provided with a limiting edge groove 411, and the side wall of the fixed column 313 has a limiting edge strip 3131 matched with the limiting edge groove 411. Through the cooperation of the limiting edge groove 411 and the limiting edge strip 3131, the rotating frame body 41 can slide along the axis direction of the fixed column 313, and rotate synchronously with the fixed column 313 when the fixed column 313 rotates.
[0050] The leveling frame body 42 comprises a leveling fixed plate 421 integrally arranged with the rotating frame body 41, a leveling sliding plate 422 slidingly installed on the leveling fixed plate 421, and a leveling elastic member 423. The end face of the leveling fixed plate 421 away from the rotating frame body 41 has a sliding groove for arranging the leveling sliding plate 422. The two ends of the leveling elastic member 423 are fixed to the bottom wall of the sliding groove and the leveling sliding plate 422 respectively. The side of the leveling sliding plate 422 away from the leveling driving member 43 has a driving inclined surface 4221 for reducing the influence of the concave-convex surface.
[0051] The leveling driving member 43 is a push air cylinder. The rotating frame body 41 has an extension frame body 412 fixed with the output shaft of the leveling driving member 43 on the side away from the leveling frame body 42. In order to ensure the stability of the leveling driving member 43, the fixed rod 312 has an arc-shaped plate 3121 for rotatingly arranging the leveling driving member 43. The end of the leveling driving member 43 has a sliding part. The arc-shaped plate 3121 has an arc-shaped groove for rotatingly arranging the sliding part. The arc of the arc-shaped groove is the rotation range of the fixed column 313.
[0052] The implementation principle of the non-destructive testing trolley according to the embodiment of the application is as follows: before the testing trolley enters the pipeline, the appropriate clamping arc rods 321 are selected according to the inner diameter of the testing pipeline, and then the film is fixed on the two clamping arc rods 321; the testing trolley moves to the weld, the clamping assembly 3 is started, so that the film moves close to the weld, and then the film is attached to the inner wall of the pipeline through the leveling assembly 4; after the detection is completed, the clamping assembly 3 and the leveling assembly 4 are reset in sequence.
[0053] The above are the preferred embodiments of the application, and do not limit the protection scope of the application. Therefore, equivalent changes made on the basis of the structure, shape, and principle of the application should be covered within the protection scope of the application.
Claims
1. A non-destructive testing trolley characterised in that, The utility model relates to a kind of film flattening devices, including trolley body (1), for driving the trolley body (1) movement walking component (2), be arranged in the trolley body (1) and be used to install film clamping component (3) and be used for flattening patch flattening component (4), the walking component (2) includes drive wheel group (21), annular track (22) being set around the drive wheel group (21) and magnetic attraction piece (23) being set to annular track (22).
2. The non-destructive testing trolley of claim 1, wherein, The clamping component (3) includes a sliding frame (31) slidably mounted on the trolley body (1), and a clamping frame (32) rotatably arranged on the sliding frame (31).
3. A non-destructive testing trolley according to claim 2, wherein, The bottom of the sliding frame (31) is provided with a T-shaped slide rail (3111), and the top of the trolley body (1) is provided with a T-shaped slide groove (11) matched with the T-shaped slide rail (3111).
4. The non-destructive testing trolley of claim 2, wherein, The clamping frame (32) includes two groups of clamping arc rods (321) for fixing the two ends of the film and a connecting rod (322) connecting the clamping arc rods (321), and the end of the connecting rod (322) is provided with a connecting sleeve (3221) rotatably matched with the sliding frame (31).
5. A non-destructive testing trolley according to claim 4, wherein, The connecting rod (322) and the clamping arc rod (321) are detachably connected, the inner side wall of the clamping arc rod (321) is provided with an insertion slot (3211) for inserting the connecting rod (322), and the end of the connecting rod (322) is provided with a plunger (323). The clamping arc rod (321) is provided with a locking hole (3212) on the inner wall of the insertion slot (3211) for locking cooperation with the plunger (323).
6. A non-destructive testing trolley according to claim 5, wherein, The plunger (323) includes a plunger housing (3231), a plunger locking block (3232), and a plunger spring (3233) connecting the plunger housing (3231) and the plunger locking block (3232), and the side of the plunger locking block (3232) facing the insertion slot (3211) is provided with a guide inclined surface (3234).
7. A non-destructive testing trolley according to claim 5, wherein, The locking hole (3212) penetrates the side wall of the clamping arc rod (321), and the clamping arc rod (321) is slidably mounted with a push block (324) at the locking hole (3212).
8. A non-destructive testing trolley according to claim 7, wherein, The push block (324) is provided with a pressing portion protruding from the side wall of the clamping arc rod (321), and the part of the push block (324) in the locking hole (3212) is sleeved with a reset elastic element (325).
9. The non-destructive testing trolley of claim 2, wherein, The flattening component (4) includes a rotating frame (41) sleeved on the sliding frame (31), a flattening frame (42) arranged on the rotating frame (41) and used for abutting the film, and a flattening driving element (43) driving the flattening frame (42) to move, the rotating frame (41) is provided with a limiting edge groove (411), and the sliding frame (31) has a limiting edge strip (3131) slidably matched with the limiting edge groove (411).
10. A non-destructive testing trolley according to claim 9, wherein, The leveling frame body (42) comprises a leveling fixed plate (421), a leveling sliding plate (422) abutting against the film, and a leveling elastic member (423), two ends of the leveling elastic member (423) being connected with the leveling fixed plate (421) and the leveling sliding plate (422), and one side of the leveling sliding plate (422) being provided with a driving slope (4221).