CN216340048U - Foldable pipeline internal operation platform - Google Patents

Abstract

The utility model provides a foldable pipeline internal operation platform which comprises a base, a ladder stand and an operation platform which are sequentially arranged from bottom to top, wherein the base comprises a framework formed by alternately arranging and hinging two first supports and two second supports, a first locking piece is arranged on each first support and used for folding the first supports, a ladder stand fixing base used for connecting the ladder stand is arranged on the framework, and a cross beam used for mounting the operation platform is arranged at the top of the ladder stand. The foldable pipeline internal operation platform provided by the utility model can enter a pipeline through a manhole in a folded state and can be quickly assembled in the pipeline.

Description

Foldable pipeline internal operation platform

Technical Field

The utility model relates to the technical field of pipeline internal maintenance, in particular to a foldable pipeline internal operation platform.

Background

In the production fields of water plants, power plants and the like, a large number of huge pipelines exist. These pipes, which can typically be up to three or four meters in diameter, are used to transport various media. To protect the pipe from being corroded, washed, etc. too quickly, the inner wall of the pipe is usually treated by various methods, including painting, lining with plastic, installing sacrificial anodes, etc. Meanwhile, a manhole is arranged on the pipeline, so that a person can conveniently enter the pipeline to check, maintain and repair.

Because the inner diameter of the pipeline is huge, a person can only touch the inner wall of the pipeline within the height range after entering the pipeline, and therefore, an operation platform is often required to be erected to smoothly carry out various operations of inspection and maintenance. Due to the fact that the diameter of the manhole is small, a conventional operating platform cannot enter the pipeline, and the scaffold operating platform can be set up only by conveying long, thin and broken scaffold materials into the pipeline through the manhole. However, the scaffold platform needs to consume a lot of manpower and material resources from the process of transporting materials to the process of completing erection, and the erected scaffold platform is relatively heavy. And the scaffold has more little scattered subassembly, like fastener, bolt and nut etc. leave over very easily and become the foreign matter in the pipeline, influence the system operation.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to overcome the drawbacks of the prior art and to provide a collapsible working platform inside a pipeline, which in collapsed condition is accessible through a manhole into the pipeline and which is quickly assembled inside the pipeline.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides an inside operation platform of folding pipeline, includes base, cat ladder and the operation platform that sets gradually by from bottom to top, the base includes the skeleton that is arranged and articulated to form by two first supports and two second supports in turn, be equipped with first locking piece on the first support, first locking piece is used for folding first support, install on the skeleton and be used for connecting the cat ladder unable adjustment base of cat ladder, the top of cat ladder is equipped with and is used for installing operation platform's crossbeam.

As an implementable mode, the first locking component comprises an inner disc, an outer disc and a lock cylinder component, the inner disc is provided with a spring clamping block, the inner side of the outer disc is provided with an outer disc clamping block hole for accommodating the spring clamping block, the outer side of the outer disc is provided with a lock cylinder installation part coaxial with the outer disc clamping block hole, and the lock cylinder component is installed on the lock cylinder installation part and penetrates through the outer disc clamping block hole.

As a practical way, the lock cylinder assembly includes a first lock cylinder, a second lock cylinder and a third lock cylinder, which are sleeved, and the second lock cylinder has a spring portion.

As an implementation mode, the inner side of the inner disc is provided with a lock cylinder sliding groove.

As an implementation mode, a fork-shaped stabilizing frame is installed between the two second brackets.

As an implementation mode, the framework is provided with a cantilever beam, and a supporting piece is arranged at the free end of the cantilever beam.

As an implementation manner, a second locking member is disposed on the cantilever beam, and the second locking member is used for adjusting an angle of the cantilever beam.

As an implementation mode, the second locking piece comprises an inner disc and an outer disc, a group of limit holes arranged in an annular mode are formed in the inner disc, a limit bolt knob is arranged on the outer disc, and the limit bolt knob is provided with a limit bolt matched with the limit holes.

As an implementable mode, the crawling ladder comprises an upper crawling ladder and a lower crawling ladder, a sliding rail is arranged on the upper crawling ladder, and the lower crawling ladder is slidably arranged on the sliding rail.

As a practical way, the ladder stand further comprises a lifting fixture for locking the height of the ladder stand.

Compared with the prior art, the foldable pipeline internal operation platform provided by the utility model has the following beneficial effects:

the utility model provides a foldable pipeline internal operation platform which comprises a base, a ladder stand and an operation platform, wherein the base, the ladder stand and the operation platform are sequentially arranged from bottom to top, the base comprises a framework formed by alternately arranging and hinging two first supports and two second supports, a first locking piece is arranged on the first support and used for folding the first supports, the framework can be folded by arranging the first locking piece, the framework in the folded state enters a pipeline through a manhole and is rapidly assembled in the pipeline, a base connector used for connecting the ladder stand is arranged on the framework, a cross beam used for installing the operation platform is arranged at the top of the ladder stand, and the assembly of the operation platform is realized in the pipeline.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a collapsible work platform inside a pipeline according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a base according to an embodiment of the present invention, wherein the base is in an unfolded state;

fig. 3 is a schematic structural diagram of a base according to an embodiment of the present invention, wherein the base is folded;

figure 4 is a schematic view of a ladder stand according to an embodiment of the utility model in an extended state with an enlarged view of a lifting fixture;

fig. 5 is a schematic view of the ladder stand provided by the embodiment of the utility model in an extended state, wherein a limiting structure is enlarged;

figure 6 is a schematic view of a ladder stand according to an embodiment of the present invention in a collapsed state with the lifting fixture removed;

FIG. 7 is a schematic diagram of an operating platform according to an embodiment of the present invention;

FIG. 8 is an exploded view of a first locking member provided in accordance with an embodiment of the present invention, with the plug assembly shown enlarged;

fig. 9 is an exploded view of a first locking member provided in accordance with an embodiment of the present invention, wherein the view is different from that of fig. 8;

FIG. 10 is an exploded view of a second latch according to an embodiment of the present invention;

FIG. 11 is a diagram illustrating the effect of the foldable work platform inside a pipeline disposed inside the pipeline according to an embodiment of the present invention;

FIG. 12 is a schematic diagram of the operation of a first latch according to an embodiment of the present invention;

fig. 13 is a detailed view of the operation platform provided by the embodiment of the utility model, wherein the railing fixing rod and the railing are matched in structure.

Description of reference numerals:

1. a base; 2. climbing a ladder; 3. an operating platform; 11. a framework; 111. a first bracket; 112. a second bracket; 113. a first locking member; 12. a cantilever beam; 121. a support member; 122. a second lock; 13. a universal wheel; 14. a fork-shaped stabilizing frame; 15. a ladder stand fixing base; 16. a base connector; 21. a pedal; 22. a lower vertical rod; 23. erecting a vertical rod; 24. a stay bar; 25. a cross beam; 26. a handrail fixing rod; 27. a lifting fixer; 28. a lifting fixed hook; 29. a slide rail; 31. a railing; 32. a gangboard; 33. buckling; 41. an outer disc; 411. an outer disk block hole; 412. a lock cylinder mounting part; 42. a first lock cylinder; 43. a second lock cylinder; 431. a spring portion; 44. a third lock cylinder; 45. a spring clamping block; 46. an inner disc; 47. an inner disk block hole; 48. a lock cylinder chute; 49. a fixture block chute; 51. a limit bolt knob; 52. an outer disc; 53. a limit bolt; 54. a limiting hole; 55. an inner disc.

Detailed Description

While the collapsible in-duct work platform of the present invention may be embodied in many different forms, the exemplary embodiments will be described in detail herein with reference to the accompanying drawings, it being understood that the description herein should be considered as an illustration of the structure of the collapsible in-duct work platform and is not intended to limit the scope of the utility model to the exemplary embodiments. Accordingly, the drawings and description of the specific embodiments are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "horizontal", "vertical", and the like herein indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The following is a more detailed description of the present invention by way of specific embodiments.

As shown in fig. 1, the utility model provides a foldable pipeline internal operation platform, which comprises a base 1, a ladder 2 and an operation platform, wherein the base 1, the ladder 2 and the operation platform are detachably connected in sequence from bottom to top. As shown in fig. 2 and 3, the base 1 includes a foldable skeleton 11, the skeleton 11 is formed by connecting a first support 111, a second support 112, and the first support 111 and the second support 112 (i.e., the first support 111 and the second support 112 are alternately arranged) end to end, the first support 111 and the second support 112 are rotatably connected (i.e., hinged) and form a hinge portion, and the hinge portion has a hole along an axial direction. The first bracket 111 is shorter than the second bracket 112, the first locking member 113 is disposed in the middle of the first bracket 111, the first locking member 113 is a fixed-angle limit locking structure, two ends of the first bracket 111 can rotate around the first locking member 113, and the first locking member 113 can realize folding of the first bracket 111 (as shown in fig. 2). That is, the joints between the two rods are connected together by the first locking member 113. A ladder stand fixing base 15 is detachably mounted above the first support 111 of the framework 11, and the ladder stand fixing base 15 is used for detachably connecting the ladder stand 2. Preferably, the ladder mounting base 15 is inserted into the hole of the hinge. The ladder stand fixing base 15 is provided with a base connector 16 for connecting a plurality of working platforms in series. The top of the ladder 2 is provided with a cross beam 25, and the cross beam 25 is used for detachably mounting the operation platform 3.

As shown in fig. 2 and 3, a fork-shaped stabilizer 14 is further installed between the two second brackets 112, and the fork-shaped stabilizer 14 is used to fix the unfolded frame 11 so that the frame 11 is stably maintained in the unfolded state without being folded. The fork stabilizer 14 is a movable structure that can rotate about its connection node, and when the framework 11 is in the folded state as shown in fig. 3, the fork stabilizer 14 is folded into a straight structure for easy transportation.

As shown in fig. 2, a cantilever beam 12 is rotatably mounted above each hinge portion of the first bracket 111 and the second bracket 112. The position of the cantilever beam 12 near the hinge portion is provided with a second locking member 122, the second locking member 122 is a common limiting locking structure, and the second locking member 122 can adjust the vertical swing angle of the cantilever beam 12, that is, the cantilever beam 12 can rotate around the second bracket 112 and adjust the rotation angle. The free end (outer end) of the cantilever beam 12 is provided with a support member 121, and the support member 121 is a hand-adjustable support member with threads, and the support position of the support member 121 on the pipe is adjusted by turning a handle above the support member 121. The bottom of skeleton 11 is equipped with universal wheel 13, installs the service brake on the universal wheel 13 to remove and lock whole work platform.

As shown in fig. 4 to 6, the ladder stand 2 includes an upper ladder stand and a lower ladder stand, and the ladder stand 2 is of a foldable structure. The upper vertical rod 23 of the upper ladder stand is provided with a slide rail 29, and the lower ladder stand is slidably arranged on the slide rail 29 so as to adjust the whole height of the ladder stand 2. After the user adjusts the ladder stand 2 to a height suitable for operation, the lifting fixer 27 is clamped on the pedal 21 of the lower ladder stand, the lifting fixing hook 28 is opened, the height of the ladder stand 2 is locked, and slipping in the use process is prevented. The lifting fixer 27 has two clamping plates, and the clamping plate is screwed out and screwed back to be retracted. The pedal 21 is mounted between the two upper vertical rods 23 and between the two lower vertical rods 22 by the first locking member 113. As shown in fig. 5, the pedal 21 is formed by hinging two small pedals, the upper surface of the hinged part of the small pedals is provided with a limiting structure, the limiting structure is a small clamping block or a plate, and when the two small pedals are 180 degrees, the two limiting structures are mutually abutted (mutually abutted together), so that the purpose of limiting clamping is achieved.

As shown in fig. 4, the top of the upper ladder is provided with a cross beam 25, the end of the cross beam 25 extends upwards to form a railing fixing rod 26, and the cross beam 25 is fixed through a support rod 24. When the ladder stand 2 is folded, the cross beam 25 can also be folded, or the cross beam 25 can be detachably arranged on the ladder stand, when the ladder stand 2 is carried into a pipeline, if the length of the cross beam 25 is larger than the length of the pipeline, the cross beam 25 can be folded or detached to carry the pipeline into the pipeline.

As shown in fig. 7, the operation platform 3 includes a rail 31 and a gangway 32, and the rail 31 is detachably mounted on the rail fixing rod 26 and encloses a rectangular shape. As shown in fig. 13, the rail fixing rod 26 and the rail 31 are connected in a slot manner. The bottom of the ramp 32 is provided with a catch 33, the catch 33 fitting with the beam 25 to allow the ramp 32 to be mounted to the beam 25. The springboard 32 is a hollow design, i.e. it has holes to increase the friction and reduce the weight.

As shown in fig. 8 and 9, the first locking member 113 includes an inner disk 46, an outer disk 41, and a plug assembly including a first plug 42, a second plug 43, and a third plug 44. Two inner disc clamping block holes 47 are formed in the inner side of the inner disc 46, the two inner disc clamping block holes 47 are preferably arranged at 90 degrees, an arc-shaped lock cylinder sliding groove 48 is formed between the inner disc clamping block holes 47, the middle of the lock cylinder sliding groove 48 is deep, and two sides of the lock cylinder sliding groove 48 are shallow (as shown in the section of fig. 12). The spring clamping block 45 is installed in the inner disc clamping block hole 47, and the spring clamping block 45 comprises a cylinder and a spring arranged at the bottom of the cylinder. An outer disc clamping block hole 411 is formed in the inner side of the outer disc 41, and the outer disc clamping block hole 411 is matched with the cylindrical portion of the spring clamping block 45 to fix the inner disc 46 and the outer disc 41, so that the relative rotation of the inner disc 46 and the outer disc 41 is limited. A latch sliding groove 49 is further formed on the inner side of the outer disc 41, and the cylindrical portion of the spring latch 45 can slide in the latch sliding groove 49. Latch slide slot 49 is a 180 degree arc slot and outer disc latch aperture 411 is located at the midpoint of the arc of latch slide slot 49. The outer side of the outer disc 41 is provided with a lock cylinder mounting part 412 which is coaxial with the outer disc clamping block hole 411, and the lock cylinder assembly is mounted on the lock cylinder mounting part 412 and passes through the outer disc clamping block hole 411. The second key cylinder 43 has a rod portion and a spring portion 431, and the key cylinder mounting portion 412 has a through hole in the middle thereof through which the rod portion of the second key cylinder 43 can slide.

As shown in fig. 12, each time the lever portion of the second lock cylinder 43 is pressed, the third lock cylinder 44 is ejected and retracted, and the pressing can be automatically performed. In the initial state, the spring locking block 45 is locked in the outer disc locking block hole 411 under the action of the spring, the outer disc 41 and the inner disc 46 are in the locking state and cannot rotate, and the lock cylinder assembly is in the shortest state at this time. Then, the second lock cylinder 43 is pressed to drive the third lock cylinder 44 to push the spring latch 45 out of the outer disc latch hole 411, the outer disc 41 and the inner disc 46 are in an unlocked state, that is, can rotate, and the lock cylinder assembly is in the longest state at this time. When the outer disk 41 and the inner disk 46 rotate, the outer disk 41 drives the first lock cylinder 42, the second lock cylinder 43 and the third lock cylinder 44 to rotate, the spherical head of the third lock cylinder 44 slides in the lock cylinder sliding groove 48, and in the process of rotating through the lock cylinder sliding groove 48, under the pushing of the spring part 431 of the second lock cylinder 43, the third lock cylinder 44 is firstly pushed out and then compressed and retracted, so that the lock cylinder structure automatically returns to the shortest state from the longest state. When the outer disc 41 and the inner disc 46 rotate to the limit position of 90 degrees, the spring clamping blocks 45 are ejected and clamped into the outer disc clamping block holes 411 again, and the outer disc 41 and the inner disc 46 are locked. This allows the folding joint to which the structure is attached to be always in a locked state after being unfolded or closed.

As shown in fig. 10, the second locking member 122 includes an inner disc 55 and an outer disc 52, the inner disc 55 is provided with a set of annularly arranged limiting holes 54, the outer disc 52 is provided with a limiting bolt knob 51, and the limiting bolt knob 51 is provided with a limiting bolt 53 adapted to the limiting holes 54. The second locking member 122 is a common limiting locking structure, and can rotate freely, and when the limiting bolt knob 51 is rotated, the limiting bolt can be clamped into the limiting hole 54 or withdrawn from the limiting hole 54, so that the locking and unlocking operations of the outer disc 52 and the inner disc 55 are completed.

The foldable pipeline internal operation platform provided by the utility model can be folded and enters a pipeline through a manhole through the application of a large number of folding joints, can be quickly erected and unfolded after entering the pipeline, can be moved by using the trundles after the platform is assembled, and is not limited to a certain fixed position, so that the working efficiency is greatly improved. A plurality of operation platforms can be connected in series through the base connector, and a large operation surface is formed quickly. The integral structure does not contain scattered small articles, so that the risk that foreign matters are detained in the pipeline is greatly reduced. The first locking piece 113 with special design automatically locks when reaching the limit each time, and fixes the folding joint at the set unfolding or closing angle, so that the stability and the safety of the whole device are greatly improved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. The utility model provides an inside operation platform of folding pipeline, its characterized in that includes base (1), cat ladder (2) and operation platform (3) that set gradually from bottom to top, base (1) includes skeleton (11) that are arranged and articulated to form by two first supports (111) and two second supports (112) in turn, be equipped with first locking piece (113) on first support (111), first locking piece (113) are used for folding first support (111), install on skeleton (11) and be used for connecting cat ladder unable adjustment base (15) of cat ladder (2), the top of cat ladder (2) is equipped with and is used for the installation crossbeam (25) of operation platform (3).

2. The foldable platform for work inside pipeline as claimed in claim 1, wherein the first locking member (113) comprises an inner disc (46), an outer disc (41) and a lock cylinder assembly, the inner disc (46) is provided with a spring locking block (45), the inner side of the outer disc (41) is provided with an outer disc locking block hole (411) for accommodating the spring locking block (45), the outer side of the outer disc (41) is provided with a lock cylinder mounting part (412) coaxial with the outer disc locking block hole (411), and the lock cylinder assembly is mounted on the lock cylinder mounting part (412) and passes through the outer disc locking block hole (411).

3. A collapsible working platform inside a duct according to claim 2, c h a r a c t e r i z e d in that the plug assembly comprises a sleeved first plug (42), second plug (43) and third plug (44), the second plug (43) having a spring part (431).

4. The collapsible working platform inside a duct according to claim 2, characterised in that the inner side of the inner tray (46) is provided with a lock cylinder runner (48).

5. The collapsible in-pipe work platform of claim 1, wherein a fork stabilizer (14) is mounted between the two second brackets (112).

6. A collapsible working platform inside a pipeline according to claim 1, characterised in that a cantilever beam (12) is mounted on the framework (11), the free end of the cantilever beam (12) being provided with a support (121).

7. The collapsible working platform inside a pipeline according to claim 6, characterised in that the cantilever beam (12) is provided with a second locking means (122), the second locking means (122) being adapted to adjust the angle of the cantilever beam (12).

8. The foldable platform for work inside a pipeline according to claim 7, wherein the second locking member (122) comprises an inner disc (55) and an outer disc (52), the inner disc (55) is provided with a set of annularly arranged limiting holes (54), the outer disc (52) is provided with a limiting bolt knob (51), and the limiting bolt knob (51) is provided with a limiting bolt (53) matched with the limiting holes (54).

9. A collapsible working platform inside a pipe according to claim 1, characterised in that the ladder (2) comprises an upper ladder and a lower ladder, the upper ladder being provided with a sliding track (29) and the lower ladder being slidably arranged on the sliding track (29).

10. A collapsible working platform inside a pipe according to claim 9, characterised in that the ladder (2) further comprises a lifting fixture (27) for locking the height of the ladder (2).

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