CN220302932U - Novel hydraulic internal pulling device for PCCP pipeline installation - Google Patents

Abstract

The utility model discloses a novel hydraulic internal pulling device for installing a PCCP pipeline, which comprises a PCCP pipeline, wherein an adjusting box is arranged in the PCCP pipeline, the side surface of the adjusting box is connected with an abutting plate through an elastic telescopic rod, the outer wall of the abutting plate is movably connected with balls, a main bevel gear is movably connected in the adjusting box, a rotary sleeve is movably connected in the adjusting box, one end of the rotary sleeve is fixedly connected with an auxiliary bevel gear, the other end of the rotary sleeve penetrates through the side wall of the adjusting box and is in threaded connection with an adjusting screw rod, and the end part of the adjusting screw rod is fixedly connected with a supporting plate. This novel hydraulic pressure of PCCP pipeline installation draws device to pass through the meshing effect of main bevel gear and vice bevel gear, can drive rotatory sleeve and rotate simultaneously, and then when adapting to not unidimensional pipeline, guarantees the axiality of annular arrangement's backup pad and PCCP pipeline, improves the centering of two pipelines when the butt joint, reduces the probability of the damage that causes the pipeline interface.

Description

Novel hydraulic internal pulling device for PCCP pipeline installation

Technical Field

The utility model relates to the technical field of PCCP pipeline installation, in particular to a novel hydraulic internal pulling device for PCCP pipeline installation.

Background

The prestressed steel cylinder concrete pipe is a novel rigid pipe, when the PCCP pipe is installed, a bell and spigot butt joint mode is generally adopted for splicing, the installation method is generally divided into an extrapolation method, an external pulling method and an internal pulling method according to the conventional method, wherein the internal pulling method uses an installation gap between two adjacent pipes as a supporting point, one end of a pipe to be installed is used as another supporting point, the two supporting points are clamped by a tool, after the bell and spigot of the pipe is aligned, a guide chain on the tool is tensioned, the pipe slowly and uniformly enters until the pipe is installed in place, and the supporting size of a clamping tool of the pipe can be adjusted in order to adapt to PCCP pipes with different sizes; if the Chinese patent with the publication number of CN214368172U discloses a novel hydraulic internal pulling device for PCCP pipeline installation, the annular fixed disk can be driven to rotate by rotating the annular rotary disk, the annular fixed disk drives the transmission rod to move through the arc-shaped guide groove, the transmission rod moves to drive the sliding block to slide in the sliding block, the transmission rod drives the connecting rod to move while the sliding block slides, the connecting rod moves to drive the arc angle iron to move, further the inner side of the arc angle iron is tightly attached to the inner side and the end face of the pipeline body, but the supporting adjustment of pipelines with different inner diameters is carried out only by virtue of the telescopic connecting rod, the telescopic structure is unknown, the coaxial arrangement of a plurality of arc angle irons and the pipelines can be difficult to ensure, the centering of the two pipelines can be difficult to be ensured when internal pulling, and damage can be caused to the pipeline interface during butt joint, on the other hand, the joint of the arc angle iron and the joint of the pipeline is inconvenient to take out the supporting device from the pipeline.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and provides a novel hydraulic internal pulling device for installing a PCCP pipeline.

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

the utility model provides a novel hydraulic internal pulling device for PCCP pipeline installation, which comprises PCCP pipelines, wherein two groups of PCCP pipelines are arranged, the two groups of PCCP pipelines are in butt joint, an adjusting box is arranged in the PCCP pipelines, the two groups of adjusting boxes are fixedly connected with hydraulic cylinders on the side surfaces close to each other, the two hydraulic cylinders are connected through steel wires, the side surfaces of the adjusting boxes are connected with an abutting plate through elastic telescopic rods, the outer wall of the abutting plate is movably connected with a ball, the adjusting box is internally and movably connected with a main bevel gear, the main bevel gear is in transmission connection with a driving device, the adjusting box is internally and movably connected with a rotary sleeve, at least four rotary sleeves are arranged in annular arrangement, one end of each rotary sleeve is fixedly connected with a secondary bevel gear, the other end of each rotary sleeve penetrates through the side wall of the adjusting box and is in threaded connection with an adjusting screw rod, the main bevel gear is in meshed arrangement with the secondary bevel gear, and the end of each adjusting screw rod is fixedly connected with a supporting plate.

Preferably, the elastic telescopic rods are at least provided with three groups and are annularly arranged.

Preferably, the elastic telescopic rod comprises a fixed sleeve, a movable rod and an elastic piece, one end of the fixed sleeve is fixedly connected to the outer side wall of the adjusting box, the movable rod is coaxially inserted into the other end of the fixed sleeve, the abutting plate is fixedly connected to the end of the movable rod, and the elastic piece is arranged between the movable rod and the inner end wall of the fixed sleeve.

Preferably, the outer side surfaces of the supporting plate and the abutting plate are arc-shaped surfaces.

Preferably, the side surface of the supporting plate is fixedly connected with a limiting rod, and the end part of the limiting rod penetrates through the side surface of the adjusting box.

Preferably, two limit rods are arranged, and the two limit rods are respectively positioned at the upper side and the lower side of the adjusting screw rod.

Preferably, the outer wall surface of the supporting plate is fixedly connected with an anti-slip pad.

Preferably, the side surface of the supporting plate is fixedly connected with a reinforcing rib.

The beneficial effects of the utility model are as follows:

(1) According to the utility model, through the meshing effect of the main bevel gear and the auxiliary bevel gear, the plurality of rotary sleeves can be driven to rotate simultaneously, so that the adjusting screw rod drives the plurality of support plates to be close to or far away from each other simultaneously, the coaxiality of the plurality of support plates which are annularly arranged and the PCCP pipeline is ensured while the support of pipelines with different sizes is adapted, the centering of the two pipelines in butt joint is improved, and the damage probability to the pipeline interface is reduced;

(2) According to the utility model, the abutting plate is abutted on the inner wall of the PCCP pipeline through the cooperation of the elastic telescopic rod and the abutting plate, the adjusting box can be pushed to the inside of the PCCP pipeline by utilizing the balls on the abutting plate, and the adjusting box can be supported through the cooperation of the abutting plate and the balls in the pushing process, so that the adjusting box is convenient to keep stable, and the manual work intensity is reduced;

(3) According to the utility model, the PCCP pipeline is supported by abutting the plurality of annularly arranged supporting plates with the inner wall of the PCCP pipeline, and when the adjusting box is taken out, only the main bevel gear is required to be reversed, the supporting plates are retracted, and the convenience of taking out the supporting device is improved.

Drawings

FIG. 1 is a side cross-sectional view of a PCCP pipe mounted novel hydraulic pull-in device;

FIG. 2 is a top cross-sectional view of an adjustment box of the PCCP pipe installation novel hydraulic pull-in device;

FIG. 3 is a side cross-sectional view of an adjustment box of the PCCP pipe installation novel hydraulic pull-in device;

fig. 4 is a schematic perspective view of an adjusting box of the novel hydraulic internal pulling device for PCCP pipeline installation.

In the figure: 1-PCCP pipeline, 2-regulating box, 3-pneumatic cylinder, 4-wire rope, 5-elasticity telescopic link, 51-fixed sleeve, 52-movable rod, 53-elastic component, 6-butt board, 7-ball, 8-main bevel gear, 9-drive arrangement, 10-rotatory sleeve, 11-vice bevel gear, 12-accommodate the lead screw, 13-backup pad, 14-gag lever post, 15-strengthening rib.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

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 one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise. "plurality" means "two or more".

Fig. 1-4 illustrate a preferred embodiment of the present application, and for ease of illustration, only the portions relevant to the present embodiment are shown, as follows:

the novel hydraulic internal pulling device for PCCP pipeline installation comprises PCCP pipelines 1, wherein the PCCP pipelines 1 are provided with two groups, the two groups of PCCP pipelines 1 are in butt joint, as shown in figure 1, the end parts of the PCCP pipelines 1 are provided with bell and spigot sockets, so that the two groups of PCCP pipelines 1 can be conveniently in butt joint, the bell and spigot sockets of the PCCP pipelines 1 can be cleaned before the butt joint, and the bell and spigot sockets of the two groups of PCCP pipelines 1 can be preliminarily in butt joint;

the PCCP pipeline 1 is internally provided with an adjusting box 2, the side surfaces of the two groups of adjusting boxes 2, which are close to each other, are fixedly connected with hydraulic cylinders 3, the two hydraulic cylinders 3 are connected through a steel wire rope 4, the two groups of adjusting boxes 2 are respectively positioned in the two groups of PCCP pipelines 1, after the positions of the adjusting boxes 2 are adjusted and the corresponding PCCP pipelines 1 are stably supported and abutted, the hydraulic cylinders 3 are started, and under the connection of the steel wire rope 4, the two groups of PCCP pipelines 1 can be pulled to enable the two groups of PCCP pipelines 1 to be close to each other, and the two groups of PCCP pipelines 1 are abutted;

the side of the adjusting box 2 is connected with a butt plate 6 through an elastic telescopic rod 5, the outer wall of the butt plate 6 is movably connected with a ball 7, the outer side of the butt plate 6 is an arc surface, the butt plate 6 of the arc surface is convenient to be attached to the inner wall of the PCCP pipe 1, the length of the elastic telescopic rod 5 can be adjusted, the butt plate 6 is suitable for the PCCP pipes 1 with different sizes, the adjusting box 2 is moved into the corresponding PCCP pipe 1, the elastic telescopic rod 5 is pressed at the moment, a plurality of butt plates 6 can enter the PCCP pipe 1, then after the elastic telescopic rod 5 is loosened, under the elastic action, the elastic telescopic rod 5 stretches until the butt plate 6 is abutted to the inner wall of the PCCP pipe 1, then the adjusting box 2 is pushed to the inner side of the PCCP pipe 1, at the moment, the ball 7 and the inner wall of the PCCP pipe 1 generate rolling friction, the adjusting box 2 is convenient to push into the PCCP pipe 1, the adjusting box 2 keeps stability, and the supporting force of the adjusting box 2 is reduced manually;

the elastic telescopic rods 5 are at least provided with three groups and are annularly arranged, and the arrangement of the plurality of groups of elastic telescopic rods 5 can improve the stability of the regulating box 2, so that the regulating box can stably move towards the inside of the PCCP pipeline 1;

the elastic telescopic rod 5 comprises a fixed sleeve 51, a movable rod 52 and an elastic piece 53, wherein one end of the fixed sleeve 51 is fixedly connected to the outer side wall of the adjusting box 2, the other end of the fixed sleeve is coaxially inserted with the movable rod 52, the abutting plate 6 is fixedly connected to the end part of the movable rod 52, the elastic piece 53 is arranged between the movable rod 52 and the inner end wall of the fixed sleeve 51, the movable rod 52 is movably inserted into the fixed sleeve 51, the elastic piece 53 can be a spring or an elastic piece, and the like, the length of the elastic telescopic rod 5 can be adjusted in a telescopic manner due to the insertion structure of the movable rod 52 and the fixed sleeve 51, and the elastic piece 53 is arranged to enable the elastic telescopic rod 5 to have elasticity;

the main bevel gear 8 is movably connected in the regulating box 2, the main bevel gear 8 is in transmission connection with the driving device 9, the driving device 9 can be a forward and reverse rotation gear motor, a power supply and a control switch are externally connected through a power line, the driving device 9 can drive the main bevel gear 8 to rotate in the forward direction or the reverse direction, the driving device 9 can be positioned on the outer side wall of the regulating box 2, and the control switch can be positioned on the side surface of the regulating box 2, so that the operation is convenient;

the adjusting box 2 is internally and movably connected with a rotating sleeve 10, the rotating sleeve 10 is at least provided with four rotating sleeves and is in annular arrangement, one end of each rotating sleeve 10 is fixedly connected with a secondary bevel gear 11, the other end of each rotating sleeve 10 penetrates through the side wall of the adjusting box 2 and is in threaded connection with an adjusting screw rod 12, a main bevel gear 8 and the secondary bevel gear 11 are in meshed arrangement, the end part of each adjusting screw rod 12 is fixedly connected with a supporting plate 13, after the main bevel gear 8 rotates, under the meshed effect of the secondary bevel gears 11 and the main bevel gear 8, a plurality of rotating sleeves 10 can be driven to rotate simultaneously, under the threaded connection effect of the rotating sleeve 10 and the adjusting screw rods 12, the plurality of adjusting screw rods 12 can drive the supporting plates 13 to be mutually close to or mutually far away from each other simultaneously until the outer side walls of the supporting plates 13 can be abutted on the inner walls of the PCCP pipelines 1, the PCCP pipelines 1 with different sizes are adapted, simultaneously the supporting plates 13 can be moved simultaneously, centering of the annular arrangement of the supporting plates 13 and the PCCP pipelines 1 can be guaranteed, centering structures such as telescopic connecting rods can be arranged between the two groups of adjusting boxes 2, and the corresponding supporting plates 13 are coaxially arranged, and the PCCP pipelines can be coaxially arranged, and the two groups of the PCCP pipelines are coaxially centered by the PCCP pipelines 1 are mutually in front of the two groups and the two groups of the PCCP pipelines 1 are in the two pairs and the two groups of the PCCP are in the same, and the two coaxial pipeline are in the two coaxial pair and the two coaxial pipeline 1 have the two coaxial joint abrasion degrees;

the outer side surfaces of the supporting plates 13 are arc-shaped surfaces, and the supporting plates 13 with the arc-shaped surfaces are convenient to attach to the inner wall of the PCCP pipeline 1, so that the stability of supporting is improved;

the side of the supporting plate 13 is fixedly connected with the limiting rods 14, the end parts of the limiting rods 14 penetrate through the side of the adjusting box 2, two limiting rods 14 are arranged, the two limiting rods 14 are respectively positioned on the upper side and the lower side of the adjusting screw rod 12, when the rotary sleeve 10 rotates, the adjusting screw rod 12 can be made to move forwards and backwards under the limiting action of the limiting rods 14 without rotating, and meanwhile, due to the arrangement of the two limiting rods 14, the moving stability of the adjusting screw rod 12 is improved;

the outer wall surface of the supporting plate 13 is fixedly connected with an anti-slip pad which can be a rubber pad, so that the friction force between the supporting plate 13 and the inner wall of the PCCP pipeline 1 is improved, slipping is avoided, and the supporting stability is improved;

reinforcing ribs 15 are fixedly connected to the side faces of the supporting plates 13, and the reinforcing ribs 15 can improve the strength of the supporting plates 13.

When the device is used, before butt joint, bell and spigot joints of the PCCP pipeline 1 can be cleaned, two groups of adjusting boxes 2 are respectively inserted into the corresponding PCCP pipeline 1, at the moment, the elastic telescopic rod 5 is pressed, a plurality of abutting plates 6 can enter the PCCP pipeline 1, then after the elastic telescopic rod 5 is loosened, under the elastic action, the elastic telescopic rod 5 stretches until the abutting plates 6 abut against the inner wall of the PCCP pipeline 1, then the adjusting boxes 2 are pushed to the inner side of the PCCP pipeline 1, at the moment, rolling friction occurs between the balls 7 and the inner wall of the PCCP pipeline 1, so that the adjusting boxes 2 are pushed into the PCCP pipeline 1, then the bell and spigot joints of the two groups of the PCCP pipeline 1 are initially butted, at the moment, the starting driving device 9 drives the main bevel gear 8 to rotate, under the meshing action of the auxiliary bevel gear 11 and the main bevel gear 8, a plurality of rotating sleeves 10 can be driven to rotate simultaneously, under the threaded connection action of the rotating sleeves 10 and the adjusting screw 12, the supporting plates 13 can be driven to approach each other or be separated from each other until the outer side wall of the supporting plates 13 can abut against the inner wall of the PCCP pipeline 1, the two groups of PCCP pipelines 1 can be connected with the two groups of PCCP pipelines 1, and the two groups of PCCP pipelines 1 can be hydraulically connected under the condition that the two groups of PCCP pipelines 1 are mutually butted.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims (8)

1. The utility model provides a novel hydraulic pressure internal stay device of PCCP pipeline installation, includes PCCP pipeline (1), its characterized in that: PCCP pipeline (1) is provided with two sets of, two sets of PCCP pipeline (1) butt joint sets up, be provided with regulating box (2) in PCCP pipeline (1), two sets of fixedly connected with pneumatic cylinder (3) on the side that regulating box (2) are close to each other, two connect through wire rope (4) between pneumatic cylinder (3), the side of regulating box (2) is connected with butt plate (6) through elastic expansion rod (5), swing joint has ball (7) on the outer wall of butt plate (6), swing joint has master bevel gear (8) in regulating box (2), master bevel gear (8) transmission is connected with drive arrangement (9), swing joint has rotatory sleeve (10) in regulating box (2), rotatory sleeve (10) are provided with four and are annular range at least, rotatory sleeve (10) one end fixedly connected with vice bevel gear (11) and other end run through regulating box (2) lateral wall threaded connection has adjusting screw (12), master bevel gear (8) and vice bevel gear (11) and backup pad (13) are provided with end portion of adjusting screw (12).

2. The novel hydraulic internal pulling device for PCCP pipeline installation according to claim 1, wherein: the elastic telescopic rods (5) are at least provided with three groups and are annularly arranged.

3. The novel hydraulic internal pulling device for PCCP pipeline installation according to claim 1, wherein: the elastic telescopic rod (5) comprises a fixed sleeve (51), a movable rod (52) and an elastic piece (53), wherein one end of the fixed sleeve (51) is fixedly connected to the outer side wall of the adjusting box (2) and the other end of the fixed sleeve is coaxially inserted with the movable rod (52), the abutting plate (6) is fixedly connected to the end part of the movable rod (52), and the elastic piece (53) is arranged between the movable rod (52) and the inner end wall of the fixed sleeve (51).

4. The novel hydraulic internal pulling device for PCCP pipeline installation according to claim 1, wherein: the outer side surfaces of the supporting plate (13) and the abutting plate (6) are arc-shaped surfaces.

5. The novel hydraulic internal pulling device for PCCP pipeline installation according to claim 1, wherein: the side of the supporting plate (13) is fixedly connected with a limiting rod (14), and the end part of the limiting rod (14) penetrates through the side of the adjusting box (2).

6. The novel hydraulic internal pulling device for PCCP pipeline installation according to claim 5, wherein: the two limiting rods (14) are arranged, and the two limiting rods (14) are respectively located on the upper side and the lower side of the adjusting screw rod (12).

7. The novel hydraulic internal pulling device for PCCP pipeline installation according to claim 1, wherein: an anti-slip pad is fixedly connected to the outer wall surface of the supporting plate (13).

8. The novel hydraulic internal pulling device for PCCP pipeline installation according to claim 1, wherein: reinforcing ribs (15) are fixedly connected to the side faces of the supporting plates (13).