CN219932048U - Ladder for repairing pipeline - Google Patents

Abstract

The utility model relates to a ladder for servicing a pipeline, the ladder for servicing a pipeline comprising: the device comprises a bracket, a rope ladder and a winding device, wherein the bracket comprises a mounting part and a supporting part, the mounting part is movably connected with the supporting part along a first horizontal direction, and the supporting part is suitable for being mounted at a pipe orifice of a pipeline; the winding device comprises a winding roller and a first driver, the winding roller is rotatably arranged on the mounting part, the rope ladder is suitable for being arranged in the pipeline, one end of the rope ladder is connected with the winding roller, the first driver is arranged on the mounting part and is used for driving the winding roller to rotate, so that the winding roller winds and unwinds the rope ladder. The ladder for repairing the pipeline can provide an impetus for a user in the pipeline so as to facilitate the user to work in the pipeline.

Description

Ladder for repairing pipeline

Technical Field

The utility model relates to the technical field of pressure pipeline maintenance equipment, in particular to a ladder for overhauling a pipeline.

Background

In large hydropower plants, the volute is an important water guiding device, the main function of which is to circulate the water entering the volute before it flows into the runner. The volute in the related art is generally provided with a volute entrance door for an maintainer to enter the volute for overhaul, maintenance and the like. However, the inner wall surface of the pipeline of the volute in the related art is a smooth metal surface, so that workers do not have a force after entering the volute, and the operations such as overhaul and maintenance are difficult to carry out after entering the volute.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides a ladder for repairing a pipeline, which can provide an application point for users in the pipeline so as to facilitate the users to work in the pipeline.

A ladder for servicing a pipeline according to an embodiment of the present utility model includes: the support comprises a mounting part and a supporting part, wherein the mounting part is movably connected with the supporting part along a first horizontal direction, and the supporting part is suitable for being mounted at a pipe orifice of a pipeline; the winding device comprises a winding roller and a first driver, the winding roller is rotatably arranged on the installation portion, the winding roller is suitable for being arranged in the pipeline, one end of the winding roller is connected with the winding roller, the first driver is arranged on the installation portion, and the first driver is used for driving the winding roller to rotate, so that the winding roller winds and unwinds the winding roller.

The ladder for overhauling the pipeline can relatively move in the first horizontal direction through the installation part and the supporting part, and the depth of the winding device and the rope ladder connected with the winding device extending into the pipeline can be adjusted. So as to lay the rope ladder at different depths in the pipeline according to the needs of users. The winding roller is driven by the first driver to rotate to wind and unwind the rope ladder, and the unwound rope ladder can be naturally paved on the inner wall surface of the pipeline. So that the rope ladder laid on the inner wall surface of the pipeline provides an impetus for the user, so that the user can climb or stand, and the user can carry out maintenance or other operations.

Therefore, the ladder for overhauling the pipeline can provide an impetus for users in the pipeline.

In some embodiments, the ladder for servicing a pipeline further comprises: the driving device comprises a second driver, a transmission rack, a transmission gear and a transmission assembly, wherein the second driver is arranged on the mounting part, the transmission rack is arranged on the supporting part, the extending direction of the transmission rack is consistent with the first horizontal direction, the transmission gear is meshed with the transmission rack, the second driver drives the transmission gear to rotate around the first axis through the transmission assembly, so that the mounting part moves relative to the supporting part in the first horizontal direction, the extending direction of the first axis is consistent with the second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction.

In some embodiments, the transmission assembly includes a first transmission rod and a second transmission rod, one end of the first transmission rod is connected with the second driver, the other end of the first transmission rod is provided with a first bevel gear, the second transmission rod is rotatably connected with the mounting part around the first axis, and a second bevel gear matched with the first bevel gear is arranged on the second transmission rod; the two transmission racks are oppositely arranged on the mounting part in the second horizontal direction, the two transmission gears are respectively arranged at two opposite ends of the second transmission rod in the second horizontal direction, and the two transmission gears are matched with the two transmission racks in a one-to-one correspondence.

In some embodiments, the rope ladder includes a body and a weight, one end of the body is connected to the wind-up roll, and the weight is connected to the other end of the body.

In some embodiments, the rope ladder further comprises: the magnetic attraction pieces are multiple, the magnetic attraction pieces are all arranged on the body, and the magnetic attraction pieces are arranged at intervals in the length direction of the body.

In some embodiments, the support comprises: the first support piece, support body and second support piece, first support piece with the second support piece is in the upper and lower direction interval, first support piece with the support body links to each other, first support piece is suitable for supporting the mouth of pipe department of pipeline, the second support piece is two, two second support piece is for being opposite in the second horizontal direction, every second support piece includes in its length direction opposite first end and second end, first end with the support body links to each other, the second end is suitable for supporting the surface of pipeline, the second horizontal direction perpendicular to first horizontal direction, the length direction of second support piece with first horizontal direction is unanimous.

In some embodiments, the first support decreases in size in the second horizontal direction from top to bottom to adapt the first support to the mouth of the pipe.

In some embodiments, the second ends each increase in size in the first horizontal direction from top to bottom such that each of the second ends fits the outer surface of the pipe.

In some embodiments, the frame further comprises a step portion and a pedal, the extending direction of the step portion is consistent with the up-down direction, the lower end of the step portion is suitable for being contacted with the ground, the pedal is multiple, the pedals are all connected with the step portion, and the pedals are spaced apart in the up-down direction.

Drawings

Fig. 1 is a schematic view of a ladder for servicing a pipeline according to an embodiment of the present utility model.

Fig. 2 is a schematic view of a ladder for servicing a pipeline in accordance with an embodiment of the present utility model.

Fig. 3 is a partial enlarged view at a in fig. 2.

Fig. 4 is a schematic view of a ladder for servicing a pipeline in accordance with an embodiment of the utility model.

Reference numerals:

a ladder 100 for servicing a pipeline;

a bracket 1; a mounting portion 11; a support 12; a first support 121; a frame 122; a stepped portion 1221; a pedal 1222; a second support 123;

a rope ladder 2; a body 21; a weight 22; a magnetic attraction member 23;

a winding device 3; a first driver 31; a wind-up roll 32;

a driving device 4; a second driver 41; a drive rack 42; a transmission gear 43; a transmission assembly 44; a first transmission rod 441; a first bevel gear 4411; a second transmission rod 442; a second bevel gear 4421.

A conduit 200; a nozzle 201.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A ladder for servicing a pipeline 200 according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a ladder 100 for repairing a pipe 200 according to an embodiment of the present utility model includes a bracket 1, a rope ladder 2, and a winding device 3.

The bracket 1 includes a mounting portion 11 and a support portion 12, the mounting portion 11 being movably connected to the support portion 12 in a first horizontal direction (e.g., a left-right direction in fig. 1), the support portion 12 being adapted to be mounted at a nozzle 201 of the pipe 200. The nozzle 201 of the pipeline 200 is a volute entrance door of the volute.

The winding device 3 comprises a winding roller 32 and a first driver 31, the winding roller 32 is rotatably arranged on the mounting part 11, the rope ladder 2 is suitable for being arranged in the pipeline 200, and one end of the rope ladder 2 is connected with the winding roller 32. The first driver 31 is provided on the mounting portion 11, and the first driver 31 is used for driving the wind-up roller 32 to rotate so that the wind-up roller 32 winds and unwinds the rope ladder 2.

The ladder 100 for repairing the pipeline 200 according to the embodiment of the present utility model can relatively move in the first horizontal direction through the installation part 11 and the support part 12, and adjust the depth of the winding device 3 and the rope ladder 2 connected thereto extending into the pipeline 200, so as to lay the rope ladder 2 at different depths in the pipeline 200 according to the needs of users. The winding roller 32 is driven by the first driver 31 to rotate so as to wind up and unwind the rope ladder 2, and the unwound rope ladder 2 can be naturally paved on the inner wall surface of the pipeline 200. The rope ladder 2 thus laid on the inner wall surface of the pipe 200 provides an impetus for a user to climb or stand so that the user can perform maintenance or other operations.

Thus, the ladder 100 for servicing the pipeline 200 of the embodiments of the present utility model is capable of providing an application point for a user within the pipeline 200 to facilitate the user's work within the pipeline.

In order to make the present utility model easier to understand, the ladder 100 for repairing a pipe 200 according to the embodiment of the present utility model will be further described by taking an example in which a first horizontal direction coincides with a left-right direction and a second horizontal direction coincides with a front-rear direction. Wherein the first horizontal direction is perpendicular to the second horizontal direction.

As shown in fig. 1 to 4, the ladder 100 for repairing a pipe 200 according to an embodiment of the present utility model includes a bracket 1, a rope ladder 2, a winding device 3, and a driving device 4.

In some embodiments, as shown in fig. 2, the driving device 4 includes a second driver 41, a transmission rack 42, a transmission gear 43 and a transmission assembly 44, the second driver 41 is disposed on the mounting portion 11, the transmission rack 42 is disposed on the supporting portion 12, an extending direction of the transmission rack 42 coincides with a horizontal direction, the transmission gear 43 is meshed with the transmission rack 42, and the second driver 41 drives the transmission gear 43 to rotate around a first axis through the transmission assembly 44 so as to move the mounting portion 11 in the first horizontal direction relative to the supporting portion 12, and an extending direction of the first axis coincides with the horizontal direction.

In other words, the second driver 41 drives the transmission gear 43 to rotate, so that the transmission gear 43 and the meshed transmission rack 42 drive the mounting part 11 to move in the left-right direction relative to the supporting part 12, and the depth of the winding device 3 and the rope ladder 2 connected with the winding device extending into the pipeline 200 is adjusted, so that the winding device is simple in structure and convenient for users to operate.

Specifically, as shown in fig. 2 and 3, the transmission assembly 44 includes a first transmission rod 441 and a second transmission rod 442, the left end of the first transmission rod 441 is connected to the second driver 41, and the right end of the first transmission rod 441 is provided with a first bevel gear 4411. The second transmission rod 442 is rotatably connected to the mounting portion 11 about a first axis, and a second bevel gear 4421 is provided on the second transmission rod 442 to cooperate with the first bevel gear 4411.

The number of the drive racks 42 is two, and the two drive racks 42 are oppositely provided on the mounting portion 11 in the front-rear horizontal direction. The two transmission gears 43 are respectively arranged at two opposite ends of the second transmission rod 442 in the front-rear direction, and the two transmission gears 43 are matched with the two transmission racks 42 in a one-to-one correspondence.

In other words, the two driving gears 43 are matched with the two driving racks 42 in a one-to-one correspondence, so that the front and rear forces of the mounting portion 11 are uniform, and the stability of the movement of the mounting portion 11 is improved. And the second driver 41 realizes synchronous rotation of the two transmission gears 43 through the transmission of the first transmission rod 441 and the second transmission rod 442, thereby further ensuring the stability of the movement of the mounting part 11.

In some embodiments, as shown in fig. 2, the rope ladder 2 includes a body 21 and a weight 22, one end of the body 21 is connected to the wind-up roll 32, and the weight 22 is connected to the other end of the body 21. By arranging the balancing weight 22 at the lower end of the body 21, the rope ladder 2 can smoothly fall down when the rope ladder 2 is unreeled.

In some embodiments, as shown in fig. 2, the rope ladder 2 further includes a plurality of magnetic attraction pieces 23, where the plurality of magnetic attraction pieces 23 are all disposed on the body 21, and the plurality of magnetic attraction pieces 23 are disposed at intervals in a length direction of the body 21.

In other words, when the rope ladder 2 is unreeled, the magnetic attraction piece 23 is attracted to the inner wall surface of the pipeline 200, and then the rope ladder 2 is driven to move rightwards and retract through the engagement connection of the transmission gear 43 and the transmission rack 42, so that the rope ladder 2 is uniformly laid on the inner wall surface of the pipeline 200. And the magnetic attraction piece 23 is attracted to the inner wall surface of the pipeline 200, so that the rope ladder 2 is not easy to move when a user uses the rope ladder 2, thereby ensuring the safety of the user.

In some embodiments, as shown in fig. 1 and 4, the support 12 includes a first support 121, a frame 122, and a second support 123, the first support 121 and the second support 123 being spaced apart in an up-down direction, the first support 121 being connected to the frame 122, the first support 121 being adapted to be supported at a mouth 201 of the pipe 200.

The number of the second supporting members 123 is two, the two second supporting members 123 are opposite in the front-rear horizontal direction, and the length direction of the second supporting members 123 coincides with the left-right direction. Each of the second supporting members 123 includes a first end and a second end opposite to each other in a length direction thereof, wherein the first end is a right end of the second supporting member 123 and the second end is a left end of the second supporting member 123. The first end is coupled to the frame 122 and the second end is adapted to be supported on an outer surface of the pipe 200.

In other words, the mounting portion 11 connected to the support portion 12 is hung at the nozzle 201 by the first support member 121 and the second support member 123, thereby providing sufficient support for the rope ladder 2. And after the use, the support part 12 and the pipeline 200 can be separated to complete the disassembly, so that the use is convenient.

In some embodiments, as shown in fig. 2, the size of the first support 121 in the front-rear direction decreases from top to bottom so that the first support 121 fits the nozzle 201 of the pipe 200, i.e., the outer contour of the first support 121 fits the curved surface of the nozzle 201. Thereby making the first support 121 and the pipe 200 uniformly stressed and further improving the installation stability of the ladder 100 for repairing the pipe 200 according to the embodiment of the present utility model.

In some embodiments, as shown in fig. 2, the dimension of each second end in the left-to-right horizontal direction increases from top to bottom so that each second end fits the outer surface of the pipe 200. Thereby making the second support 123 uniformly stressed and further improving the installation stability of the ladder 100 for repairing the pipe 200 according to the embodiment of the present utility model.

In some embodiments, as shown in fig. 1 and 2, the frame 122 further includes a step 1221 and a step 1222, the extending direction of the step 1221 coincides with the up-down direction, and the lower end of the step 1221 is adapted to contact the ground, the step 1222 is plural, the plurality of steps 1222 are connected to the step 1221, and the plurality of steps 1222 are spaced apart in the up-down direction. Thereby facilitating a user to climb to the mouth 201 of the pipe 200 using the stepped portion 1221, and the lower end of the stepped portion 1221 is in contact with the ground, so that the stepped portion 1221 can support the installation portion 11, thereby further improving the installation stability of the ladder 100 for repairing the pipe 200 according to the embodiment of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (9)

1. A ladder for servicing a pipeline, comprising:

the support comprises a mounting part and a supporting part, wherein the mounting part is movably connected with the supporting part along a first horizontal direction, and the supporting part is suitable for being mounted at a pipe orifice of a pipeline;

the winding device comprises a winding roller and a first driver, the winding roller is rotatably arranged on the installation portion, the winding roller is suitable for being arranged in the pipeline, one end of the winding roller is connected with the winding roller, the first driver is arranged on the installation portion, and the first driver is used for driving the winding roller to rotate, so that the winding roller winds and unwinds the winding roller.

2. The ladder for servicing a pipeline of claim 1, further comprising: the driving device comprises a second driver, a transmission rack, a transmission gear and a transmission assembly,

the second driver is arranged on the mounting part, the transmission rack is arranged on the supporting part, the extending direction of the transmission rack is consistent with the first horizontal direction, the transmission gear is meshed with the transmission rack, the second driver drives the transmission gear to rotate around the first axis through the transmission assembly, so that the mounting part moves relative to the supporting part in the first horizontal direction, the extending direction of the first axis is consistent with the second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction.

3. A ladder for servicing a pipeline according to claim 2, wherein the drive assembly comprises a first drive bar and a second drive bar, one end of the first drive bar being connected to the second drive, the other end of the first drive bar being provided with a first bevel gear, the second drive bar being rotatably connected to the mounting portion about the first axis, and the second drive bar being provided with a second bevel gear cooperating with the first bevel gear;

the two transmission racks are oppositely arranged on the mounting part in the second horizontal direction, the two transmission gears are respectively arranged at two opposite ends of the second transmission rod in the second horizontal direction, and the two transmission gears are matched with the two transmission racks in a one-to-one correspondence.

4. The ladder for servicing a pipeline of claim 1, wherein the rope ladder comprises a body and a weight, one end of the body is connected to the wind-up roll, and the weight is connected to the other end of the body.

5. The ladder for servicing a pipeline of claim 4, wherein the rope ladder further comprises: the magnetic attraction pieces are multiple, the magnetic attraction pieces are all arranged on the body, and the magnetic attraction pieces are arranged at intervals in the length direction of the body.

6. The ladder for servicing a conduit of claim 1, wherein the support comprises: a first support, a frame body and a second support, the first support and the second support being spaced apart in an up-down direction, the first support being connected to the frame body, the first support being adapted to be supported at a mouth of the pipe,

the two second supporting pieces are opposite in a second horizontal direction, each second supporting piece comprises a first end and a second end which are opposite in the length direction of the second supporting piece, the first ends are connected with the frame body, the second ends are suitable for being supported on the outer surface of the pipeline, the second horizontal direction is perpendicular to the first horizontal direction, and the length direction of the second supporting pieces is consistent with the first horizontal direction.

7. The ladder for servicing a conduit of claim 6, wherein the first support decreases in size from top to bottom in the second horizontal direction to adapt the first support to a mouth of the conduit.

8. The ladder for servicing a conduit of claim 6, wherein each of the second ends increases in size from top to bottom in a first horizontal direction such that each of the second ends conforms to an outer surface of the conduit.

9. The ladder for repairing a pipe according to claim 6, wherein the frame further comprises a step portion and a step plate, an extending direction of the step portion is identical to an up-down direction, a lower end of the step portion is adapted to contact with the ground, the step plate is plural, the step plate is connected to the step portion, and the step plates are spaced apart from each other in the up-down direction.