Endoscope probe supporting rod for inspection of special pressure-bearing equipment
By designing an endoscope probe support rod for pressure-bearing special equipment, the problem of the probe being difficult to get close to the inner wall of the equipment is solved, and efficient detection inside the equipment and convenient removal of the probe is achieved.
Patent Information
- Application Number
- CN202422252402.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-09-13
AI Technical Summary
When inspecting special equipment with pressure, it is difficult for the probe of the industrial endoscope to be close to the inner wall of the equipment for close inspection, especially when the equipment entrance is small.
An endoscope probe support rod is designed, including a hollow rod body, a movable plate and a drawstring, which enables proximity and reset of the probe through a hinged structure and a V-shaped torsion spring, and ensures the correct position and orientation of the support rod within the device through a guide sleeve and a movable sleeve.
The support rod can effectively send the probe into the inside of the equipment, close to the inner wall of the equipment for close proximity, and easy to remove after inspection, improving the detection coverage and efficiency inside the equipment.
Smart Images
Figure CN222979868U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of auxiliary inspection equipment, in particular to an endoscope probe support rod used for inspection of pressure-bearing special equipment. Background Art
[0002] Pressure-bearing special equipment refers to equipment that withstands various pressures, such as pressure vessels, boilers, and pressure pipes. After manufacturing or use, it needs to be inspected regularly to observe and understand the manufacturing quality of its inner surface and the corrosion condition of its interior after use. Conventional technology uses industrial endoscopes to inspect the internal conditions of pressure-bearing special equipment. The probe of the industrial endoscope needs to be inserted into the interior of the equipment. However, due to the narrow entrance of the equipment, after the probe of the industrial endoscope is inserted into the interior of the equipment, it is difficult for the probe to approach the inner wall of the equipment for close inspection. Utility Model Content
[0003] The purpose of the utility model is to provide an endoscope probe support rod for pressure-bearing special equipment inspection, so as to solve the problem in the above background technology that the probe is difficult to approach the inner wall of the equipment for close-range detection.
[0004] The utility model is realized by the following technical solutions:
[0005] An endoscope probe support rod for pressure-bearing special equipment inspection, comprising a hollow rod body, a movable plate and a pull rope;
[0006] The bottom end of the hollow rod body is fixedly installed (welded or threaded) with a hinge seat, and the side wall of the bottom end of the hollow rod body is provided with a rope threading hole;
[0007] The top end of the movable plate is hinged to the hinge seat through a hinge shaft, and a V-shaped torsion spring is mounted on the hinge shaft, and the two ends of the V-shaped torsion spring are respectively abutted against the hinge seat and the movable plate, and the probe can be fixedly installed on the bottom end of the movable plate;
[0008] The pull rope is installed in the hollow rod body, one end of which passes through the top of the hollow rod body, and the other end passes through the rope hole and is fixedly connected to the bottom end of the movable plate. The pull rope is used to pull the movable plate to rotate, and the probe can rotate with the movable plate to approach the inner wall of the equipment for detection. The V-shaped torsion spring is used to push the movable plate to reset, so that the movable plate can be close to the central axis of the hollow rod body to facilitate the lifting of the support rod from the narrow entrance of the equipment.
[0009] Further limitations also include a guiding sleeve and a movable sleeve; the guiding sleeve is sleeved on the top of the hollow rod body, and the hollow rod body can move within the guiding sleeve. A flange is fixedly installed (by welding or integrally formed) on the outer side wall of the middle part of the guiding sleeve. The flange can be fixedly connected to the flange at the inlet of the equipment through bolts, so as to fix the guiding sleeve at the inlet of the equipment, ensure that the guiding sleeve is centered within the equipment, and thus ensure that the hollow rod body is centered within the equipment; the movable sleeve is sleeved on the top of the guiding sleeve, and a bearing is provided between the movable sleeve and the guiding sleeve to enable the movable sleeve to rotate relative to the guiding sleeve. The top end of the movable sleeve is sleeved outside the hollow rod body and fixedly connected to the hollow rod body. By rotating the movable sleeve, the hollow rod body can be driven to rotate, enabling the movable plate to rotate within the equipment, so that the probe installed at the bottom end of the movable plate can probe while rotating. The guiding sleeve is installed at the inlet of the equipment and can support the movable sleeve and the hollow rod body.
[0010] Further limitations, a plurality of jacks are arranged at intervals along the central axis on the side wall of the hollow rod body. A threaded hole penetrating through the inner and outer sides is provided on the side wall of the top end of the movable sleeve. A limit bolt is threadedly connected in the threaded hole, and the inner end of the limit bolt is inserted into one of the jacks. By changing the position of the jack into which the limit bolt is inserted on the hollow rod body, the depth of the hollow rod body extending into the equipment can be adjusted; the specific operation is that the probe gradually rises from low to high within the equipment and conducts exploration. When raising the height of the probe, loosen the limit bolt to make it withdraw from the jack, lift the hollow rod body by the hole position of one jack, and then screw in the limit bolt to make it insert into another jack. The probe rises by a hole spacing and continues to explore. At the same height, the probe can be rotated for rotary exploration. By using this support rod, the probe can be controlled to conduct rotary exploration within the equipment and the exploration position can be gradually raised, improving the exploration coverage rate of the interior of the equipment.
[0011] Further limitations, 2 to 4 handles are welded on the outer side wall of the movable sleeve, which is convenient for manually rotating the movable sleeve to drive the hollow rod body to rotate.
[0012] Further limitations, two guiding pulleys are installed at intervals along the axial direction on the outer side wall of the bottom end of the hollow rod body, and both guiding pulleys are located below the rope threading hole. The pulling rope passes between the two guiding pulleys and at least bypasses one of the guiding pulleys. When winding and unwinding the pulling rope, the two guiding pulleys can be used to guide and traction the pulling rope, improving the stability of the winding and unwinding of the pulling rope.
[0013] Further limitations, a wire threading hole for threading the probe cable is provided on the side wall of the bottom end of the hollow rod body. One end of the cable of the probe is connected to the probe, and the other end passes through the wire threading hole into the interior of the hollow rod body and then passes out from the top end of the hollow rod body and is connected to the endoscope body; both the pulling rope and the cable are routed inside the hollow rod body. When rotating the hollow rod body, the pulling rope and the cable can be prevented from being entangled and twisted.
[0014] Further limitation: Limiting orifice plates are welded to the bottom surface of the hinge seat and the side wall of the movable plate respectively. The two ends of the V-shaped torsion spring are respectively inserted into the limiting orifice plates. By using the two limiting orifice plates to limit the two ends of the V-shaped torsion spring, the slipping of the two ends of the V-shaped torsion spring can be prevented.
[0015] Further limitation: A fixture for clamping and fixing the probe is provided at the bottom end of the movable plate. The fixture is composed of two arc-shaped clamping plates with flanges. One of the arc-shaped clamping plates is welded to the movable plate. The flanges on the two arc-shaped clamping plates are tightly connected by bolts. The probe can be clamped between the two arc-shaped clamping plates. After tightening the bolts, the probe can be clamped and fixed, and it is also convenient for disassembly and assembly.
[0016] Further limitation: A lockable winch for winding and unwinding the pulling rope is fixedly installed at the top end of the hollow rod body. When winding the pulling rope, the rotation of the movable plate can be controlled to make the probe approach the inner wall of the equipment. After winding in place, the winch can be locked to prevent the winch from unwinding the pulling rope. When unwinding the pulling rope, the lock on the winch is released to make it unwind the pulling rope. Under the action of the resilience of the V-shaped torsion spring, the movable plate can be pushed to rotate and reset.
[0017] Compared with the prior art, the utility model has the following beneficial effects:
[0018] The support rod can be used to send the probe of the endoscope into the internal part of the pressure-bearing special equipment for exploration. The probe can be fixedly installed at the bottom end of the movable plate. In the initial state, the movable plate naturally hangs down close to the central axis of the hollow rod body. The movable plate can be sent into the equipment through the narrow entrance of the equipment by the hollow rod body. Then, by pulling the pulling rope, the movable plate can be pulled to rotate and unfold, so that the probe at the bottom end of the movable plate approaches the inner wall of the equipment for close-range exploration. At the same time, the V-shaped torsion spring can be compressed to store potential energy. When the probe needs to be taken out after the inspection is completed, the pulling rope is relaxed. Under the action of the resilience of the V-shaped torsion spring, the movable plate can be pushed to rotate and reset, making the movable plate close to the central axis of the hollow rod body, which is convenient for extracting the movable plate from the narrow entrance of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. In all the drawings, similar elements or parts are generally denoted by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0020] Figure 1 It is a schematic structural diagram of the utility model.
[0021] Figure 2 It is Figure 1 The enlarged schematic diagram of the partial structure at A in
[0022] Figure 3 is Figure 1 The enlarged schematic view of the local structure at position B in
[0023] Figure 4 The schematic view of the structure at the V-shaped torsion spring in the present utility model;
[0024] Figure 5 is Figure 1 The enlarged schematic view of the local structure at position C in
[0025] Figure 6 The schematic view of the usage state structure of the present utility model.
[0026] The names of each component in the figure: 1, hollow rod body; 2, hinge seat; 3, hinge shaft; 4, movable plate; 5, fixture; 6, pull rope; 7, V-shaped torsion spring; 8, guide pulley; 9, guide sleeve; 10, flange; 11, movable sleeve; 12, bearing; 13, winch; 14, limit bolt; 15, handle; 16, jack; 17, probe; 18, cable; 19, limit orifice plate; 20, rope passing hole; 21, wire passing hole; 22, pressure tank. Specific embodiments
[0027] The embodiments of the technical solution of the present utility model will be described in detail below with reference to the drawings. The following embodiments are only used to illustrate the technical solution of the present utility model more clearly, so they are only examples and cannot be used to limit the protection scope of the present utility model.
[0028] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the present utility model.
[0029] An endoscope probe support rod for pressure-bearing special equipment inspection, as Figure 1 shown, mainly consists of a hollow rod body 1, a movable plate 4, a pull rope 6, a fixture 5, a winch 13, a guide sleeve 9 and a movable sleeve 11.
[0030] As Figure 1 and Figure 3 shown, a hinge seat 2 is fixedly installed at the bottom end of the hollow rod body 1, a rope passing hole 20 is opened on the side wall of the bottom end of the hollow rod body 1, and a lockable winch 13 for taking in and paying out the pull rope 6 is fixedly installed at the top end of the hollow rod body 1;
[0031] As Figure 1 , Figure 3 andFigure 4 As shown, the top end of the movable plate 4 is hinged to the hinge seat 2 through a hinge shaft 3, and a V-shaped torsion spring 7 is sleeved on the hinge shaft 3. Limiting hole plates 19 are welded to the bottom surface of the hinge seat 2 and the side wall of the movable plate 4 respectively. The two ends of the V-shaped torsion spring 7 are respectively inserted into the limiting hole plates 19. By using the two limiting hole plates 19 to limit the two ends of the V-shaped torsion spring 7, the slipping of the two ends of the V-shaped torsion spring 7 can be prevented.
[0032] As Figure 1 shown, the pull rope 6 is inserted into the hollow rod body 1. One end of the pull rope passes through the top end of the hollow rod body 1 and is wound on the winch 13, and the other end passes through the rope passing hole 20 and is fixedly connected to the bottom end of the movable plate 4. By rotating the winch 13 to wind the pull rope 6, the movable plate 4 can be pulled to rotate. The V-shaped torsion spring 7 is used to push the movable plate 4 to reset;
[0033] When the pull rope 6 is wound, the rotation of the movable plate 4 can be controlled to make the probe 17 close to the inner side wall of the device. After winding in place, the winch 13 can be locked to prevent the winch 13 from unwinding the pull rope 6. When the pull rope 6 is unwound, the locking of the winch 13 is released, so that it can unwind the pull rope 6. Under the action of the resilience of the V-shaped torsion spring 7, the movable plate 4 can be pushed to rotate and reset; Specifically, the winch 13 is a product of the prior art. For example, industrial winches and fishing line reels such as spinning reels and front casting reels on fishing rods can be welded to the top end of the hollow rod body 1 for taking in and paying out the pull rope 6.
[0034] As Figure 1 and Figure 2 shown, a fixture 5 for clamping and fixing the probe 17 is arranged at the bottom end of the movable plate 4. The fixture 5 is composed of two arc-shaped clamping plates with flanges. One of the arc-shaped clamping plates is welded to the movable plate 4. The flanges on the two arc-shaped clamping plates are fixedly connected by bolts. The probe 17 can be clamped between the two arc-shaped clamping plates. After tightening the bolts, the probe 17 can be clamped and fixed, and it is also convenient for disassembly and assembly;
[0035] As Figure 1 and Figure 3 shown, a wire passing hole 21 for passing the cable 18 of the probe 17 is formed in the side wall of the bottom end of the hollow rod body 1. One end of the cable 18 of the probe 17 is connected to the probe 17, and the other end passes through the wire passing hole 21 and enters the inside of the hollow rod body 1 and then passes out from the top end of the hollow rod body 1 and is connected to the endoscope body; The pull rope 6 and the cable 18 both pass through the inside of the hollow rod body 1. When the hollow rod body 1 is rotated, the winding and twisting of the pull rope 6 and the cable 18 can be avoided. The cable 18 has an extra length, and the cable 18 can be prevented from being tightened to cause an obstacle to the rotation of the movable plate 4 when the movable plate 4 rotates.
[0036] As Figure 1 and Figure 5As shown, the guiding sleeve 9 is sleeved on the top of the hollow rod body 1. The hollow rod body 1 can rotate within the guiding sleeve 9 and move axially along the guiding sleeve 9. A flange 10 is welded to the outer side wall of the middle part of the guiding sleeve 9. The flange 10 can be fixedly connected to the flange at the entrance of the equipment through bolts, so as to fix the guiding sleeve 9 at the entrance of the equipment, ensure that the guiding sleeve 9 is centered within the equipment, and thus ensure that the hollow rod body 1 is centered within the equipment.
[0037] The movable sleeve 11 is sleeved on the top of the guiding sleeve 9, and the movable sleeve 11 is connected to the guiding sleeve 9 through a bearing 12 provided, so that the movable sleeve 11 can rotate relative to the guiding sleeve 9. The top end of the movable sleeve 11 is sleeved outside the hollow rod body 1 and fixedly connected to the hollow rod body 1. By rotating the movable sleeve 11, the hollow rod body 1 can be driven to rotate, so that the movable plate 4 can rotate within the equipment, and thus the probe 17 installed at the bottom end of the movable plate 4 can probe while rotating. The guiding sleeve 9 is installed at the entrance of the equipment and can support the movable sleeve 11 and the hollow rod body 1.
[0038] A plurality of jacks 16 are arranged at intervals along the central axis on the side wall of the hollow rod body 1. A threaded hole penetrating through the inside and outside is provided on the side wall of the top end of the movable sleeve 11. A limit bolt 14 is threadedly connected in the threaded hole. The inner end of the limit bolt 14 is inserted into one of the jacks 16. By changing the position of the jack 16 into which the limit bolt 14 is inserted on the hollow rod body 1, the depth of the hollow rod body 1 extending into the equipment can be adjusted. The specific operation is as follows: The probe 17 gradually rises from low to high within the equipment and conducts exploration. When lifting the height of the probe 17, loosen the limit bolt 14 to make it withdraw from the jack 16, lift the hollow rod body 1 by the hole position of one jack 16, and then screw in the limit bolt 14 to make it insert into another jack 16. The probe 17 rises by one hole pitch and continues to explore. At the same height, the probe 17 can be rotated for rotary exploration. By using this support rod, the probe 17 can be controlled to conduct rotary exploration within the equipment and the exploration position can be gradually raised, which can improve the exploration coverage rate of the interior of the equipment.
[0039] As a preferred embodiment, in this embodiment, as Figure 1 and Figure 5 shown, two handles 15 are welded to the outer side wall of the movable sleeve 11, which is convenient for manually rotating the movable sleeve 11 to drive the hollow rod body 1 to rotate.
[0040] As a preferred embodiment, in this embodiment, as Figure 1 and Figure 3As shown, two guiding pulleys 8 are installed at intervals along the axial direction on the outer side wall of the bottom end of the hollow rod body 1, and both of the two guiding pulleys 8 are located on the lower side of the rope passing hole 20. The pulling rope 6 passes between the two guiding pulleys 8 and at least winds around one of the guiding pulleys 8. When the pulling rope 6 is wound and unwound, the two guiding pulleys 8 can be used to guide and tow the pulling rope 6, improving the winding and unwinding stability of the pulling rope 6.
[0041] The working principle in this embodiment is as follows:
[0042] The internal condition of the pressure-bearing special equipment is inspected by using an endoscope. For example, Figure 6 as shown, specifically when inspecting the internal condition of the vertical pressure tank 22, the probe 17 is clamped and fixed on the fixture 5 at the bottom end of the movable plate 4. In the initial state, the movable plate 4 naturally hangs down close to the central axis of the hollow rod body 1. The winch 13 is locked to prevent the pulling rope 6 from being unwound. The distance between the bottom surface of the flange 10 and the bottom end of the movable plate 4 is adjusted according to the internal depth of the pressure tank 22. Specifically, after the limit bolt 14 is withdrawn from the jack 16, the hollow rod body 1 is axially moved, and the limit bolt 14 is screwed in to insert it into another jack 16;
[0043] Based on the fact that the movable plate 4 is close to the central axis of the hollow rod body 1, the movable plate 4 is extended into the pressure tank 22 from the narrow entrance at the top end of the pressure tank 22 by means of the hollow rod body 1, so that the probe 17 is close to the inner bottom of the pressure tank 22. The flange 10 is fixed to the inlet flange at the top end of the pressure tank 22 by bolts to support the guiding sleeve 9, the movable sleeve 11 and the hollow rod body 1;
[0044] At the low position inside the pressure tank 22, the probe 17 is used for exploration. The handle 15 can be held by hand to rotate the movable sleeve 11 to control the rotation of the hollow rod body 1, so that the probe 17 rotates and explores while moving;
[0045] After the hollow rod body 1 is lifted by one hole position, the winch 13 is unlocked, and the winch 13 is rotated to wind the pulling rope 6. The movable plate 4 is pulled by the pulling rope 6 to rotate, and at the same time, the V-shaped torsion spring 7 is compressed, so that the probe 17 is close to the inner side wall of the pressure tank 22. After the winch 13 is locked, the rotation exploration is continued at this height position;
[0046] The hollow rod body 1 is continuously lifted by one hole position, and the above operation is repeated for the rotation exploration at this height position until the movable rod 4 cannot be unfolded when the probe 17 explores to the position near the top inside the pressure tank 22. Then, the pulling rope 6 is unwound, and under the resilience of the V-shaped torsion spring 7, the movable plate 4 can be pushed to rotate and reset, so that the movable plate 4 is close to the central axis of the hollow rod body 1, which is convenient for extracting the movable plate 4 from the narrow entrance of the equipment; as for the exploration of the top position inside the pressure tank 22, since it is close to the equipment entrance, there is no need to use this support rod, and the probe 17 can be directly sent into the top inside the pressure tank 22 by hand or other shorter support rods for exploration;
[0047] When the probe 17 is sent into the pressure tank 22 by using the support rod, the movable plate 4 can be unfolded by winding up the pulling rope 6, so that the probe 17 approaches the inner wall of the pressure tank 22 for exploration.
[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the specification of the present invention.
Claims
1. An endoscope probe support rod for pressure-bearing special equipment inspection, characterized in that: include: A hollow rod body (1), wherein a hinge seat (2) is fixedly mounted on the bottom end of the hollow rod body (1), and a rope threading hole (20) is provided on the side wall of the bottom end of the hollow rod body (1); A movable plate (4), wherein the top end of the movable plate (4) is hinged to the hinge seat (2) via a hinge shaft (3), and a V-shaped torsion spring (7) is mounted on the hinge shaft (3), and the two ends of the V-shaped torsion spring (7) are respectively in contact with the hinge seat (2) and the movable plate (4); A pull rope (6) is installed in the hollow rod body (1), one end of the pull rope passes through the top end of the hollow rod body (1), and the other end passes through the rope threading hole (20) and is fixedly connected to the bottom end of the movable plate (4). The pull rope (6) is used to pull the movable plate (4) to rotate, and the V-shaped torsion spring (7) is used to push the movable plate (4) to reset.
2. The endoscope probe support rod for pressure-bearing special equipment inspection according to claim 1 is characterized in that: The invention also comprises a guide sleeve (9) and a movable sleeve (11); the guide sleeve (9) is sleeved on the top of the hollow rod body (1), and a flange (10) is fixedly installed on the middle outer wall of the guide sleeve (9); the movable sleeve (11) is sleeved on the top of the guide sleeve (9), and the movable sleeve (11) and the guide sleeve (9) are connected by a bearing (12); the top end of the movable sleeve (11) is sleeved on the outside of the hollow rod body (1) and is fixedly connected to the hollow rod body (1).
3. The endoscope probe support rod for pressure-bearing special equipment inspection according to claim 2 is characterized in that: The side wall of the hollow rod body (1) is provided with a plurality of insertion holes (16) spaced apart along its axis, and the top side wall of the movable sleeve (11) is provided with a threaded hole penetrating inside and outside, wherein a limit bolt (14) is threadedly connected to the threaded hole, and the inner end of the limit bolt (14) is inserted into one of the insertion holes (16).
4. The endoscope probe support rod for pressure-bearing special equipment inspection according to claim 2 is characterized in that: Two to four handles (15) are welded to the outer side wall of the movable sleeve (11).
5. The endoscope probe support rod for pressure-bearing special equipment inspection according to claim 2 is characterized in that: Two guide pulleys (8) are installed on the outer wall of the bottom end of the hollow rod body (1) at intervals along its axial direction, and the two guide pulleys (8) are both located on the lower side of the rope threading hole (20), and the pull rope (6) passes between the two guide pulleys (8) and at least wraps around one of the guide pulleys (8).
6. The endoscope probe support rod for pressure-bearing special equipment inspection according to claim 2 is characterized in that: The bottom side wall of the hollow rod body (1) is provided with a threading hole (21) for threading a probe (17) cable (18).
7. The endoscope probe support rod for pressure-bearing special equipment inspection according to claim 1 is characterized in that: The bottom surface of the hinge seat (2) and the side wall of the movable plate (4) are both welded with a limiting orifice plate (19), and the two ends of the V-shaped torsion spring (7) are respectively installed in the limiting orifice plate (19).
8. The endoscope probe support rod for pressure-bearing special equipment inspection according to claim 1 is characterized in that: The bottom end of the movable plate (4) is provided with a clamp (5) for clamping and fixing the probe (17), and the clamp (5) is composed of two arc-shaped clamping plates with flanges, one of which is welded to the movable plate (4), and the flanges on the two arc-shaped clamping plates are fastened and connected by bolts.
9. The endoscope probe support rod for pressure-bearing special equipment inspection according to claim 1 is characterized in that: A lockable winch (13) for retracting and releasing the draw rope (6) is fixedly mounted on the top end of the hollow rod body (1).