Volute magnetic rope ladder

Abstract

The utility model discloses a volute magnetic rope ladder which comprises two soft ropes which sequentially penetrate through a connecting sleeve on a rope ladder pedal; the positioning assemblies are arranged at the two ends of the rope ladder pedal and are arranged in a mirror image manner; and the magnetic attraction seat is connected with the positioning assembly, and the magnetic attraction surface of the magnetic attraction seat is aligned to the inner wall of the steel pipe. The multiple positioning holes and the multiple positioning threaded holes are distributed at equal intervals, so that staggered hole installation can be achieved, positioning bolts are installed in the holes, the position of the magnetic attraction base on the rope ladder pedal can be adjusted, meanwhile, rapid assembly and disassembly of the magnetic attraction base are achieved, the rope ladder pedal can be magnetically attracted to the inner wall of a steel pipe, and the phenomenon that a rope ladder shakes is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of overhaul auxiliary tool, especially a spiral case magnetic soft ladder. BACKGROUND

[0002] In the operation process of hydroelectric generating set, overhaul work is very important. At present, the hydroelectric generating set adopts steel pipe water diversion, in order to check underwater parts during overhaul, such as guide vane leakage, cavitation and spiral case corrosion, usually a hole is opened in the front end of the spiral case, so that personnel can enter. However, due to design requirements, the spiral case door is generally opened at a position about 2 meters higher than the lowest part of the water diversion steel pipe, and the inside of the water diversion steel pipe is arc-shaped, and the diameter of the spiral case overhaul access door is about 800 mm, which can only accommodate one person to pass through. This results in that the traditional ladder and ladder cannot be used, which brings great inconvenience to personnel entering and exiting the spiral case.

[0003] Because the inside of the steel pipe is ring-shaped, the ordinary soft ladder cannot closely fit the inner wall of the steel pipe, and in the use process, the soft ladder will shake obviously, which not only brings many inconveniences to the user, but also has certain safety hazards. UTILITY MODEL CONTENTS

[0004] Therefore, the technical problem to be solved by the utility model lies in providing a magnetic soft ladder that can be magnetically attracted to the inner wall of the steel pipe.

[0005] The above technical problem is solved by the following technical scheme: the utility model provides a spiral case magnetic soft ladder, which comprises a soft rope, which is arranged in two and sequentially penetrates the connecting sleeve on the soft ladder pedal;

[0006] A positioning assembly is arranged at both ends of the soft ladder pedal and is arranged in mirror image;

[0007] A magnetic attraction seat is connected with the positioning assembly, and the magnetic attraction surface of the magnetic attraction seat is aligned with the inner wall of the steel pipe.

[0008] In a preferred embodiment of the spiral case magnetic soft ladder provided by the utility model: the soft rope is arranged in two and penetrates the corresponding connecting sleeve respectively, and a plurality of equidistantly arranged soft ladder pedals are connected and fixed.

[0009] In a preferred embodiment of the spiral case magnetic soft ladder provided by the utility model: a fixing thread hole is formed through the outer wall of the connecting sleeve, and a fixing bolt is inserted into the fixing thread hole.

[0010] In a preferred embodiment of the spiral case magnetic soft ladder provided by the utility model: the positioning assembly comprises a first sliding groove, a first sliding block, a limiting groove and a limiting block.

[0011] The first sliding groove is provided on both ends of the soft ladder step and penetrates the soft ladder step, a limiting groove is provided on the inner side of the first sliding groove, and a corresponding limiting block is provided on the outer side of the first sliding block.

[0012] In a preferred embodiment of the volute magnetic soft ladder, the first sliding block is fixed by positioning bolts.

[0013] In a preferred embodiment of the volute magnetic soft ladder, a plurality of equidistant positioning holes are provided on the first sliding groove.

[0014] A plurality of positioning threaded holes are also provided on the first sliding block.

[0015] Positioning bolts are inserted into the positioning holes and the positioning threaded holes.

[0016] In a preferred embodiment of the volute magnetic soft ladder, a U-shaped buckle is provided at the end of the soft rope, a U-shaped bolt is provided on the U-shaped buckle, and the U-shaped bolt is threadedly connected with the U-shaped buckle.

[0017] In a preferred embodiment of the volute magnetic soft ladder, the magnetic seat is connected with the first sliding block by a connecting rod, and the connecting rod and the magnetic seat are rotationally connected.

[0018] The magnetic surface of the magnetic seat is provided with an inner concave curved surface, and magnetic convex blocks are provided on both sides of the curved surface and are higher than the inner curved surface.

[0019] In a preferred embodiment of the volute magnetic soft ladder, a second sliding groove is provided at the curved surface groove, a second sliding block is slidably connected in the second sliding groove, a plurality of equidistant locking holes are provided on the second sliding groove, a plurality of equidistant locking threaded holes are provided on the second sliding block, and locking bolts are inserted into the locking holes and the locking threaded holes.

[0020] In a preferred embodiment of the volute magnetic soft ladder, a magnetic seat pad is provided on the side of the second sliding block away from the curved surface, the side of the magnetic seat pad away from the magnetic seat is arc-shaped, and the magnetic seat pad slightly protrudes the magnetic convex blocks on both sides.

[0021] The positioning holes and the positioning threaded holes are multiple and equidistantly distributed, so that the holes can be installed in error, the positioning bolts can be installed in the holes, the position of the magnetic seat on the soft ladder step can be adjusted, the magnetic seat can be quickly assembled and disassembled, the soft ladder step can be magnetically attracted to the inner wall of the steel pipe, and the soft ladder can be prevented from shaking. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described in the following merely relate to some embodiments of the present application, and are not a limitation on the present application. Among them:

[0023] Figure 1 The overall structure connection schematic diagram of the volute magnetic soft ladder is shown;

[0024] Figure 2 The local structure connection schematic diagram of the soft ladder pedal is shown;

[0025] Figure 3 The explosion structure schematic diagram of the soft rope fixing assembly is shown;

[0026] Figure 4 The structure connection schematic diagram of the volute connecting assembly is shown;

[0027] Figure 5 The structure connection schematic diagram of the positioning assembly and the magnetic attraction assembly is shown;

[0028] Figure 6 The explosion structure schematic diagram of the locking assembly and the anti-wear assembly is shown. DETAILED DESCRIPTION

[0029] In order to make the skilled in the art better understand the present application, the present application will be further described in detail below in combination with specific embodiments and drawings.

[0030] The terms used in the present application are those general terms currently widely used in the art in consideration of the functions about the present application, but these terms can be changed according to the intention of the person skilled in the art, precedents or new technologies in the art. In addition, specific terms can be selected by the applicant, and in this case, the detailed meaning thereof will be described in the detailed description of the present application. Therefore, the terms used in the specification should not be understood as mere names, but based on the meaning of the terms and the overall description of the present application.

[0031] Referring to Figures 1-6 , a self-adjusting water surface photovoltaic power generation device is provided, comprising a soft rope 1, which is provided in two and sequentially penetrates through the connecting sleeve 3 on the soft ladder pedal 2;

[0032] A positioning assembly 4 is provided at both ends of the soft ladder pedal 2 and is mirror image arranged;

[0033] A magnetic attraction seat 5 is connected with the positioning assembly 4, and the magnetic attraction surface of the magnetic attraction seat 5 is aligned with the inner wall of the steel pipe.

[0034] In use, by means of the positioning assembly 4, the magnetic seat 5 can be installed on the soft ladder step 2, the magnetic surface of the magnetic seat 5 is directed towards the inner wall of the steel pipe, and the soft ladder step 2 is adsorbed on the inner wall of the steel pipe. At the same time, the soft rope 1 is pulled tight when the soft ladder step 2 is adsorbed, avoiding the soft rope 1 on the soft ladder from shaking with the soft ladder step 2, providing convenience for the staff and eliminating safety hazards.

[0035] With reference to Figure 1 and Figure 2 , the soft rope 1 is provided in two, and penetrates through the corresponding connecting sleeve 3 to fix the soft ladder steps 2 arranged at equal intervals in series.

[0036] The soft ladder step 2 is provided in multiple, and is fixed on the two soft ropes 1 at equal intervals through the corresponding connecting sleeve 3, so as to form a soft ladder.

[0037] The soft rope 1 is made of tensile nylon and polyester fiber material, and the soft ladder step 2 is made of a metal component.

[0038] With reference to Figure 2 and Figure 3 , the outer wall of the connecting sleeve 3 is provided with a fixed threaded hole 31, and a fixed bolt 32 is inserted in the fixed threaded hole 31.

[0039] The connecting sleeve 3 is arranged on the side of the soft ladder step 2 close to the soft rope 1, the soft rope 1 is fixed in the connecting sleeve 3, a plurality of fixed threaded holes 31 are provided on the connecting sleeve 3, and fixed bolts 32 are threadedly connected in the fixed threaded holes 31.

[0040] The soft rope 1 is fixed in the connecting sleeve 3, corresponding fixed bolts 32 are installed in the fixed threaded holes 31, so that the soft rope 1 is firmly pressed in the connecting sleeve 3, and at the same time, a viscous agent is applied in the connecting sleeve 3 and the fixed threaded holes 31, further stabilizing the soft rope 1 in the connecting sleeve 3, preventing the soft ladder step 2 from slipping off the soft rope 1, and thus causing a safety accident.

[0041] With reference to Figure 1 and Figure 2 , the positioning assembly 4 comprises a first sliding groove 41, a first sliding block 42, a limiting groove 43 and a limiting block 44.

[0042] The first sliding groove 41 is provided at both ends of the soft ladder step 2 and penetrates through the soft ladder step 2, the inner side of the first sliding groove 41 is provided with the limiting groove 43, the outer side of the first sliding block 42 is provided with the corresponding limiting block 44, and the first sliding block 42 is slidingly connected in the first sliding groove 41.

[0043] The first sliding groove 41 is provided on both sides of the soft ladder step 2 and is mirror-imaged, the first sliding block 42 is slidingly connected in the first sliding groove 41, and the first sliding groove 41 is additionally provided with a limiting groove 43, which cooperates with the limiting block 44 on the first sliding block 42, and the two interact to effectively constrain the movement track of the first sliding block 42 in the first sliding groove 41, greatly improving the smoothness of sliding and ensuring that the sliding process is more accurate and stable.

[0044] With reference to Figure 2 and Figure 5 , the first sliding block 42 is fixed by the positioning bolt 45;

[0045] A plurality of equidistant positioning holes 411 are provided through the first sliding groove 41;

[0046] A plurality of positioning threaded holes 421 are also provided through the first sliding block 42;

[0047] The positioning bolt 45 is inserted into the positioning hole 411 and the positioning threaded hole 421.

[0048] The positioning hole 411 is provided on the side of the soft ladder step 2 close to the first sliding groove 41, and the positioning threaded hole 421 is provided on the first sliding block 42, the positioning hole 411 and the positioning threaded hole 421 are located corresponding to each other and are equidistantly arranged, the positioning bolt 45 is inserted into the hole formed by the positioning hole 411 and the positioning threaded hole 421 and is screwed with the positioning threaded hole 421.

[0049] The positioning threaded holes 421 on the first sliding block 42 are equidistantly distributed, and the positioning holes 411 on the soft ladder step 2 are matched with the positioning threaded holes 421 in position, therefore, the positioning holes 411 and the positioning threaded holes 421 can be arranged in a staggered manner, the staggered positioning holes 411 and the positioning threaded holes 421 form a new hole, and the positioning bolt 45 is inserted into the hole, so that the position of the magnetic seat 5 on the soft ladder step 2 can be adjusted.

[0050] Meanwhile, the first sliding block 42 and the first sliding groove 41 are installed and fixed by the positioning bolt 45, and the magnetic seat 5 required for quick installation and disassembly is installed and fixed.

[0051] With reference to Figure 4 , the soft rope 1 is provided with a U-shaped buckle 11 at the end, the U-shaped buckle 11 is provided with a U-shaped bolt 111, and the U-shaped bolt 111 is screwed with the U-shaped buckle 11.

[0052] The U-shaped buckle 11 is provided at the end of the soft rope 1 and is screwed with the U-shaped bolt 111.

[0053] The U-shaped buckle 11 is inserted into the opening end of the volute into the door frame of the door, bolt holes are formed in the door frame, the threaded holes of the U-shaped buckle 11 are overlapped with the bolt holes of the door frame, and the U-shaped bolts 111 are inserted into the two holes, so that the U-shaped buckle 11 can be buckled on the volute door, and the suspended installation of the soft ladder is realized.

[0054] At the same time, the U-shaped buckle 11 suspends and anchors the end of the soft rope 1 on the volute door, can bear part of the load with the magnetic seat 5, thereby reducing the load of the magnetic system, and at the same time, as a redundant safety device, provides secondary protection when the magnetic system is abnormal, and ensures the safety of high-altitude operation.

[0055] Referring to Figure 2 and Figure 5 , the magnetic seat 5 is connected with the first sliding block 42 through the connecting rod 51, and the connecting rod 51 and the magnetic seat 5 are rotationally connected;

[0056] The magnetic surface of the magnetic seat 5 is provided with an inner concave arc surface 52, and the arc surface 52 is provided with magnetic lugs 53 on both sides and is higher than the inner arc surface 52.

[0057] The connecting rod 51 is used for rotationally connecting the magnetic seat 5, so that the magnetic seat 5 can rotate, thereby the magnetic angle of the magnetic lugs 53 can be adjusted, and even if the soft ladder pedal 2 is not horizontal with the inner wall of the steel pipe, effective magnetic connection can also be realized.

[0058] The magnetic surface of the magnetic seat 5 is designed as an inner concave arc surface 52, which converts the original whole surface magnetic attraction into two disconnected magnetic lugs 53, so that the magnetic seat 5 can realize effective magnetic attraction on the inner wall of the circular ring steel pipe, and avoids the condition that the plane magnetic surface cannot be used in the circular ring.

[0059] Referring to Figure 5 and Figure 6 , the arc surface 52 is provided with a second sliding groove 521, the second sliding groove 521 is slidably connected with a second sliding block 522, a plurality of equidistant locking holes 523 are formed in the second sliding groove 521, a plurality of equidistant locking threaded holes 524 are formed in the second sliding block 522 in correspondence, and locking bolts 525 are inserted into the locking holes 523 and the locking threaded holes 524.

[0060] The second sliding groove 521 is arranged at the inner concave arc surface 52 of the magnetic surface of the magnetic seat 5, the second sliding groove 521 is slidably connected with the second sliding block 522, a plurality of locking holes 523 and locking threaded holes 524 are formed in the second sliding groove 521 and the second sliding block 522 in correspondence, locking bolts 525 are arranged in the locking holes 523 and the locking threaded holes 524, and the locking bolts 525 are threadedly connected with the locking threaded holes 524.

[0061] The second sliding block 522 is installed in the second sliding groove 521, the locking bolt 525 is arranged in the corresponding locking hole 523 and locking threaded hole 524, and the magnetic base pad 54 can be quickly installed and fixed, so that the installation, disassembly and use are facilitated.

[0062] Referring to Figure 6 The second sliding block 522 is provided with the magnetic base pad 54 away from the arc surface 52, the magnetic base pad 54 is arc-shaped away from the magnetic attraction base 5, and the magnetic base pad 54 slightly protrudes the magnetic attraction protrusions 53 on both sides.

[0063] The magnetic base pad 54 is made of carbon fiber composite material and has good wear resistance, and the contact surface with the steel pipe is arranged in an arc shape, so that the magnetic base pad 54 can better fit the inner wall of the steel pipe. When the magnetic base pad 54 is attached to the inner wall of the steel pipe, the arc-shaped design can evenly distribute the pressure and prevent excessive local pressure.

[0064] The magnetic base pad 54 slightly protrudes the magnetic attraction protrusions 53 on both sides, which can better resist the slightly concave inner wall of the steel pipe without affecting the magnetic attraction of the magnetic attraction protrusions 53, can increase the friction of the magnetic attraction base 5, and has the functions of auxiliary positioning and certain wear protection.

[0065] In use, the positioning holes 411 and the positioning threaded holes 421 are arranged in multiple and equidistantly distributed, so that the positioning holes 411 and the positioning threaded holes 421 at different positions can realize staggered hole installation. The first sliding block 42 is slidingly connected in the first sliding grooves 41 on both sides, so as to adjust the position of the magnetic attraction base 5 on the soft ladder step 2, and the distance between the soft ladder step 2 and the inner wall of the steel pipe is accurately controlled through the installation of the positioning bolt 45 in the positioning hole 411 and the positioning threaded hole 421. At the same time, based on the above design, the first sliding block 42 and the magnetic attraction base 5 can realize quick installation and disassembly, which is convenient for workers to use and store. The magnetic attraction surface of the magnetic attraction base 5 is designed as an inner concave arc surface 52, which converts the whole magnetic attraction surface into two disconnected magnetic attraction surfaces, so that it can realize effective magnetic attraction in the inner wall of the circular steel pipe, avoiding the problem that the planar magnetic attraction surface cannot fit the arc-shaped inner wall. The connecting rod 51 is used for rotatingly connecting the magnetic attraction base 5, the magnetic attraction angle of the magnetic attraction protrusions 53 is adjusted through rotation, and stable magnetic attraction connection can be realized even if the soft ladder step 2 is not horizontal to the inner wall of the steel pipe. In addition, the second sliding block 522 is installed in the second sliding groove 521, and the magnetic base pad 54 can be quickly installed through the fixation of the locking bolt 525 in the locking hole 523 and the locking threaded hole 524. The magnetic base pad 54 slightly protrudes the magnetic attraction protrusions 53 on both sides, which does not affect the magnetic attraction function and resists the inner wall of the steel pipe, increases the friction of the magnetic attraction base 5, and also has the function of wear protection.

[0066] Finally, it should be pointed out that the above detailed description of the method and device is only an embodiment, and those skilled in the art can modify the embodiment in different ways without departing from the scope of the present application.

Claims

1. A magnetic soft ladder for a volute, characterized by: Including, Soft rope (1) is provided with two, and sequentially penetrates through the connecting sleeve (3) on the soft ladder step (2); Positioning assembly (4) is provided at both ends of soft ladder step (2), and is mirror image arrangement; Magnetic seat (5) is connected with positioning assembly (4), and the magnetic surface of the magnetic seat (5) is aligned with the inner wall of the steel pipe.

2. The spiral magnetic soft ramp of claim 1, wherein: The soft rope (1) is provided with two, and is respectively connected with the corresponding connecting sleeve (3), and a plurality of equidistantly arranged soft ladder steps (2) are connected in series.

3. The magnetic soft ladder of spiral casings according to claim 2, characterized in that: The outer wall of the connecting sleeve (3) is provided with a fixing threaded hole (31), and the fixing threaded hole (31) is inserted with a fixing bolt (32).

4. The spiral magnetic soft ramp of claim 3, wherein: The positioning assembly (4) comprises a first sliding groove (41), a first sliding block (42), a limiting groove (43) and a limiting block (44); The first sliding groove (41) is provided at both ends of the soft ladder step (2) and penetrates the soft ladder step (2), the inner side of the first sliding groove (41) is provided with a limiting groove (43), the outer side of the first sliding block (42) is provided with a corresponding limiting block (44), and the first sliding block (42) is slidingly connected in the first sliding groove (41).

5. The spiral magnetic soft ramp of claim 4, wherein: The first sliding block (42) is fixed by a positioning bolt (45).

6. The volute magnetic soft ladder according to claim 4 or 5, wherein: A plurality of equidistant positioning holes (411) are provided on the first sliding groove (41); A plurality of equidistant positioning threaded holes (421) are also provided on the first sliding block (42); The positioning holes (411) and the positioning threaded holes (421) are inserted with positioning bolts (45).

7. The spiral magnetic soft ramp of claim 1, wherein: The end of the soft rope (1) is provided with a U-shaped buckle (11), the U-shaped buckle (11) is provided with a U-shaped bolt (111), and the U-shaped bolt (111) is threadedly connected with the U-shaped buckle (11).

8. The magnetic soft ladder of spiral according to claim 1 or 4, characterized in that: The magnetic seat (5) is connected with the first sliding block (42) through a connecting rod (51), and the connecting rod (51) and the magnetic seat (5) are rotationally connected; The magnetic surface of the magnetic seat (5) is provided with an inner concave curved surface (52), the both sides of the curved surface (52) are provided with magnetic lugs (53) and are higher than the inner curved surface (52).

9. The magnetic soft ladder of claim 8, wherein: The curved surface (52) is provided with a second sliding groove (521) at the groove, the second sliding groove (521) is slidingly connected with a second sliding block (522), a plurality of equidistant locking holes (523) are provided on the second sliding groove (521), a plurality of equidistant locking threaded holes (524) are provided on the second sliding block (522), and the locking holes (523) and the locking threaded holes (524) are inserted with locking bolts (525).

10. The magnetic soft ladder of claim 9, wherein: The second sliding block (522) is provided with a magnetic seat pad (54) away from the curved surface (52), the magnetic seat pad (54) is arc-shaped away from the magnetic seat (5), and the magnetic seat pad (54) slightly protrudes the magnetic lugs (53) on both sides.

Images