CN217553114U

CN217553114U - Winding forming device for middle enhancement layer of gas drainage pipe

Info

Publication number: CN217553114U
Application number: CN202121913561.2U
Authority: CN
Inventors: 张志勇; 王召龙; 南猛
Original assignee: Hebei Dongrui Tianhe Plastic Product Co ltd
Current assignee: Hebei Dongrui Tianhe Plastic Product Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-10-11
Anticipated expiration: 2031-08-16

Abstract

The utility model belongs to the technical field of the winding equipment, specific saying relates to a winding forming device of enhancement layer in the middle of gas drainage pipe. The wire pressing mechanism comprises a swing arm and a pressing rod arranged at the end of the swing arm, the shifting fork at the root of the swing arm is connected with a positioning pin through an elastic belt, and the shifting fork is tensioned by the elastic belt, so that the pressing rod at the end of the swing arm is attached to the surface of a wire coil. The novel winding forming device has the characteristics of regular winding, rapid forming, no process limitation of winding materials, quantity and the like, compact structure and convenience in operation.

Description

Winding forming device for middle enhancement layer of gas drainage pipe

Technical Field

The utility model belongs to the technical field of the winding equipment, specific saying relates to a winding forming device of enhancement layer in the middle of the gas drainage pipe.

Background

The gas emission amount in the coal mine is very large, and when the gas is difficult to dilute and remove by ventilation, a drainage method can be used for removing the gas and reducing the ventilation burden. A gas pump station is built on the ground and is connected with the drainage drill hole through an underground drainage gas pipeline system, negative pressure is generated when the pump operates, and gas is pumped out and sent into a gas tank or directly supplied to a user.

In the field of special pipelines for gas drainage under coal mines, steel pipes and steel-plastic composite pipes are frequently applied. The base pipe of the steel-plastic composite pipe is also a steel pipe, and because the calibers of the gas drainage pipe are larger, the wall of the steel pipe is very thick, large in size and heavy in weight, the steel pipe is very troublesome to carry and install by workers, the labor intensity is high, the construction period is long, and the installation cost is high; secondly, because the gas drainage pipe is under the negative pressure working condition and has strict requirement on the annular rigidity of the pipe, the single steel pipe can only meet the standard of the annular rigidity on the basis of increasing the wall thickness, thus the production and use cost is invisibly increased, and the utilization rate of steel is reduced.

At present, nonmetal composite pipelines are more and more commonly applied in coal mine safety production and are composed of pipe walls made of inner and outer layers of high-density polyethylene and a middle reinforcing layer, wherein the middle reinforcing layer is generally formed by spirally winding fiber tows or flat belts. The pipeline has the advantages of high structural strength, good insulating property, flexibility and light weight, but is complex to produce and process, especially the winding and shaping of the middle layer are very critical to the safety of the pipeline, the technical standard is high, and the existing winding equipment can hardly meet the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a winding forming device of enhancement layer in the middle of gas drainage pipe has that the winding is regular, the shaping is rapid, does not receive technological limitations such as winding material, quantity and compact structure, convenient operation's characteristics.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a winding forming device of enhancement layer in middle of gas drainage pipe which characterized in that: have the power carousel of pipe hole including the centre, follow a plurality of winding subassemblies that power carousel circumference distributes, the winding subassembly is including the roller that is used for the fixed line to roll up to and be used for the line ball mechanism of tensioning unwrapping wire, line ball mechanism includes the swing arm and sets up the depression bar at its tip, the shift fork of swing arm root passes through the elastic webbing and is connected with the locating pin, the taut shift fork of elastic webbing makes the depression bar of swing arm tip paste on the line book surface.

The winding forming device for the middle reinforcing layer of the gas drainage pipe is characterized by further comprising the following steps:

the swing arm and the positioning pin are respectively positioned on two sides of the roller, and the elastic belt bypasses the roller;

the elastic belt is a metal belt, one end of the metal belt is connected with the shifting fork through a pre-tightening spring, and the other end of the metal belt is in threaded connection with the positioning pin through a screw rod;

the winding assemblies distributed along the circumference are coaxially double layers, the number of the outer layer winding assemblies is twice that of the inner layer winding assemblies, a pair of guide rods is arranged between the adjacent inner layer winding assemblies, and a coil of the adjacent outer layer winding assemblies is wound and then passes through the guide rods;

the shaft of the roller is provided with a plurality of grooves, and clamping strips jacked up by a first spring are arranged in the grooves; the end part of the roller is provided with a bolt which is arranged along the radial direction and is pushed by a second spring, and the clamping strip and the bolt are used for positioning the coil on the roller;

a guide pipe is arranged in the pipe passing hole, a plurality of needle posts are circumferentially arranged at the pipe opening of the guide pipe, and the needle posts are used for uniformly distributing a plurality of wire harnesses led out by the winding assembly;

the outlet of the guide pipe is provided with a wire pressing ring for adjusting the winding angle of the wire harness, the wire pressing ring and the guide pipe are positioned on the same axis, and the supporting arm of the wire pressing ring is positioned in the sliding track;

the side part of the power turntable is provided with a compression roller assembly, the compression roller assembly comprises a support frame, the support frame is provided with a through hole coaxial with the pipe through hole, and a plurality of compression rollers for rolling the surface of the pipe body are arranged around the through hole;

the rear end of the power turntable is provided with a heating cylinder, the heating cylinder comprises a rack and a cylinder body arranged in the rack, and the inner surface of the cylinder body is provided with a plurality of electric heating wires;

and a brake is arranged at the edge of the power rotary disc, and the brake and the motor of the power rotary disc are electrically connected with the plc controller.

The utility model provides a winding forming device of enhancement layer in middle of gas drainage pipe compares with prior art, has following advantage: the winding assemblies comprise rollers for fixing coils and a wire pressing mechanism for tensioning and paying off, namely, in the uniform-speed rotation process of the turntable, the coils of the rollers on the surface of the turntable are led out of wire harnesses, the wire harnesses are spirally wound on a pipe body along with the movement of a pipeline in a pipe hole, and the winding assemblies determine the number and winding materials of the wound coils according to actual processing requirements, so that the forming quality of the middle layer is improved, and the winding assembly has the advantages of regular winding, rapid forming and high production efficiency; secondly, the line pressing mechanism comprises a swing arm and a pressure lever arranged at the end part of the swing arm, a shifting fork at the root part of the swing arm is connected with a positioning pin through an elastic belt, the shifting fork is tensioned by the elastic belt, so that the pressure lever at the end part of the swing arm is attached to the surface of a coil, the coil is always pressed by the pressure lever in the paying-off process of a roller column, the wire harness is tensioned, the spirally wound pipe body is more regular, the winding angle and the density are consistent, and the forming quality of a pipeline reinforcing layer is improved; meanwhile, the winding forming device is compact in structure, simple to machine and manufacture, low in production cost, long in service life of the formed pipeline and remarkable in economic benefit, and manpower and material resources are saved in the winding process.

Drawings

Fig. 1 is a schematic structural view of a winding and forming device for a middle reinforcement layer of a gas drainage pipe of the present invention;

fig. 2 is a schematic structural diagram of a power turntable of the winding forming device.

Detailed Description

The structure and the working principle of the middle enhancement layer winding and forming device for the gas drainage pipe provided by the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, the structure of the winding and forming device for the middle reinforcement layer of the gas drainage pipe provided by the present invention is schematically illustrated. This novel winding forming device has power carousel 2 through tube hole 1 including the centre, along a plurality of winding assemblies 3 of 2 circumference distributions of power carousel, winding assemblies 3 is including the roller 32 that is used for fixed coil of wire 31 to and be used for the line ball mechanism of tensioning unwrapping wire, line ball mechanism includes swing arm 33 and sets up the depression bar 34 at its tip, the shift fork 35 of swing arm 33 root passes through elastic webbing 36 and is connected with locating pin 37, the taut shift fork 35 of elastic webbing 36 makes the depression bar 34 of swing arm 33 tip attach on coil of wire 31 surface.

The working principle is as follows: the frame of the power turntable 2 is installed in place, the pipe passing hole 1 in the middle is horizontally arranged, the front end of the power turntable 2 is connected with inner layer pipeline extrusion equipment, an inner layer pipe passes through the pipe passing hole 1, meanwhile, the power turntable 2 is started to rotate, a roller column 32 of a surface winding assembly 3 winds a wire harness in a wire coil 31 on a pipe body in a spiral mode and continuously winds the wire harness along with the movement of the pipe body, a swing arm 33 and a pressure rod 34 arranged at the end portion of the roller column 32 are arranged on the side portion of the roller column 32, a shifting fork 35 at the root portion of the swing arm 33 is connected with a positioning pin 37 through an elastic belt 36, and the elastic belt 36 tensions the shifting fork 35 to enable the pressure rod 34 at the end portion of the swing arm 33 to be attached to the surface of the wire coil 31, namely in the wire unwinding process of the wire coil 31, the pressure rod 34 always presses the wire coil 31 to slow down the unwinding speed, the wire harness is always in a tight state, the spiral winding on the pipe body is more regular and free from scattering, thereby facilitating the molding of an enhancement layer and facilitating the later-on-layer.

In the structure constituting the above-described winding forming apparatus,

in order to facilitate the matching work of the wire pressing mechanism and the winding assembly 3 and the uniform arrangement of the wire pressing mechanism and the winding assembly on the surface of the power turntable 2, the swing arm 33 and the positioning pin 37 are respectively positioned at two sides of the roller column 32, the elastic belt 36 bypasses the roller column 32, the swing arm 33 swings at one side of the roller column 32 to enable the pressing rod 34 at the end part to be always pressed on the surface of the wire coil 31, the positioning pin 37 is positioned at the other side of the roller column 32 and is connected through the elastic belt 36, and a bearing or an annular chute is preferably arranged at the lower part of the roller column 32 in a bypassing manner, so that the movement of the elastic belt 36 is smoother;

furthermore, the elastic belt 36 is a metal belt, one end of the metal belt is connected with the shifting fork 35 through a pre-tightening spring 38, the swing arm 33 is pulled through the metal belt provided with the pre-tightening spring 38, so that the strength of the elastic belt 36 can be improved, the service cycle of the elastic belt is prolonged, a good elastic pre-tightening effect is achieved, the maintenance and the replacement are convenient, the other end of the elastic belt is in threaded connection with the positioning pin 37 through the screw rod 39, the spring of the metal belt is elongated through screwing the screw rod 39, the tension of the metal belt is improved, the pressing force of the pressing rod 34 at the end of the swing arm 33 is adjusted, and the tension of the wire harness pulled out by the coil 31 is larger;

in one embodiment, the winding assemblies 3 distributed along the circumference are double layers with the same axis, the number of the outer layer winding assemblies 3 is twice that of the inner layer winding assemblies 3, so that the number of wire harnesses participating in winding simultaneously is increased, the double layers are arranged in a staggered mode, movement of spiral winding is not interfered mutually after the wire harnesses are pulled, a pair of guide rods 4 is arranged between every two adjacent inner layer winding assemblies 3, and a wire coil 31 of each adjacent outer layer winding assembly 3 is wound and then penetrates through the guide rods 4, namely a plurality of winding wire harnesses are uniformly distributed in the radial direction of the turntable to move, so that the winding and shaping efficiency of the enhancement layer is improved;

preferably, the shaft of the roller 32 is provided with a plurality of grooves, and the grooves are internally provided with clamping strips 51 jacked up by the first spring, so that after the bobbin of the coil 31 is sleeved on the roller 32, the clamping strips 51 on the shaft clamp and fix the bobbin, thereby preventing the bobbin of the coil 31 from rotating in the winding process and avoiding the problem that the wire harness cannot be pulled out;

optionally, a latch 52 is arranged at the end of the roller 32 in the radial direction, the latch 52 is pushed by a second spring, and the clamping strip 51 and the latch 52 are used for positioning the coil 31 on the roller 32, namely after the roller 32 is inserted into the shaft of the coil 31, the latch 52 is ejected to fix the shaft, so as to prevent the shaft from being separated from the roller 32;

in order to ensure that the multiple groups of winding assemblies 3 in the annular array on the power turntable 2 are attached to the pipe body without scattering when the wire harnesses are drawn and spirally wound, and the movement is not interfered with each other, a guide pipe 11 is arranged in the pipe passing hole 1, a plurality of needle posts 12 are arranged at the pipe orifice of the guide pipe 11 along the circumference, and the needle posts 12 are used for uniformly distributing the multiple wire harnesses led out by the winding assemblies 3;

furthermore, a wire pressing ring 61 for adjusting the winding angle of the wire harness is arranged at the outlet of the guide pipe 11, the wire pressing ring 61 and the guide pipe 11 are positioned on the same axis, and the supporting arm 62 of the wire pressing ring is positioned in the sliding track 63, and the distance between the wire pressing ring 61 and the outlet of the guide pipe 11 is adjusted through the axial movement of the supporting arm 62, so that the winding angle and the tensioning force of the wire harness on the pipe body are adjusted, and the processing technology requirements of different pipelines are met;

in order to improve the motion guiding effect of the pipe body, optionally, compression roller assemblies are arranged on two sides of the power turntable 2 or at the rear end of the power turntable, each compression roller assembly comprises a support frame 71, each support frame 71 is provided with a through hole 72 coaxial with the through hole 1, a plurality of compression rollers 73 for rolling the surface of the pipe body are arranged around the through hole 72, the compression rollers 73 are arranged around the through holes 72 through supports, for example, the number of the compression rollers 73 is four, the compression rollers are arranged in a rectangular shape, and when the pipe body passes through the through hole 72, the compression rollers 73 press the pipe body to press and attach the wound tow to the inner-layer pipeline;

furthermore, the rear end of the power turntable 2 is provided with a heating cylinder 8, the heating cylinder 8 comprises a rack and a cylinder body arranged in the rack, the inner surface of the cylinder body is provided with a plurality of electric heating wires, the inner-layer pipeline penetrates through the heating cylinder 8 after being wound on the enhancement layer, the whole body is subjected to hot melting and combined into a whole, extrusion equipment of the outer-layer pipeline is convenient to bear, and the outer-layer pipeline is better bonded with the enhancement layer into a whole;

preferably, the brake 21 is arranged at the edge of the power turntable 2, the brake 21 can adopt the existing brake disc structure to achieve the effects of balanced braking and rotating speed adjustment, the brake 21 and the motor 22 of the power turntable 2 are both electrically connected with the plc controller 9, and the rotating speed is fed back in real time through the speed sensor, so that the automatic adjustment of the winding speed of the pipeline is realized, the labor is saved, the time and the worry are saved, and the production efficiency is high.

Claims

1. The utility model provides a winding forming device of enhancement layer in middle of gas drainage pipe which characterized in that: have the power carousel of pipe hole including the centre, follow a plurality of winding subassemblies that power carousel circumference distributes, the winding subassembly is including the roller that is used for the fixed line to roll up to and be used for the line ball mechanism of tensioning unwrapping wire, line ball mechanism includes the swing arm and sets up the depression bar at its tip, the shift fork of swing arm root passes through the elastic webbing and is connected with the locating pin, the taut shift fork of elastic webbing makes the depression bar of swing arm tip paste on the line book surface.

2. The winding and forming device for the middle reinforcement layer of the gas drainage pipe as claimed in claim 1, wherein: the swing arm and the positioning pin are respectively located on two sides of the roller, and the elastic belt bypasses the roller.

3. The winding and forming device for the middle reinforcing layer of the gas drainage pipe as claimed in claim 1, wherein: the elastic band is a metal band, one end of the metal band is connected with the shifting fork through a pre-tightening spring, and the other end of the metal band is in threaded connection with the positioning pin through a screw.

4. The winding and forming device for the middle reinforcing layer of the gas drainage pipe as claimed in claim 1, wherein: the winding assemblies distributed along the circumference are double layers with the same axis, the number of the winding assemblies is the inner layer, the number of the winding assemblies is twice that of the winding assemblies, a pair of guide rods is arranged between the winding assemblies in the adjacent inner layers, and the wire coil of the winding assemblies passes through the guide rods after being paid off.

5. The winding and forming device for the middle reinforcing layer of the gas drainage pipe as claimed in claim 1, wherein: the roller column is characterized in that a plurality of grooves are formed in the column body of the roller column, and clamping strips jacked up by a first spring are arranged in the grooves; the end of the roller is provided with a bolt which is arranged along the radial direction and is pushed by a second spring, and the clamping strip and the bolt are used for positioning the coil on the roller.

6. The winding and forming device for the middle reinforcing layer of the gas drainage pipe as claimed in claim 1, wherein: the pipe is characterized in that a guide pipe is arranged in the pipe hole, a plurality of needle posts are arranged at the pipe opening of the guide pipe along the circumference, and the needle posts are used for uniformly distributing a plurality of wire harnesses led out by the winding assembly.

7. The winding and forming device for the middle reinforcing layer of the gas drainage pipe as claimed in claim 6, wherein: and a wire pressing ring for adjusting the winding angle of the wire harness is arranged at the outlet of the guide pipe, the wire pressing ring and the guide pipe are positioned on the same axis, and the supporting arm of the wire pressing ring and the guide pipe are positioned in the sliding track.

8. The winding and forming device for the middle reinforcement layer of the gas drainage pipe as claimed in claim 1, wherein: the lateral part of power carousel has compression roller assembly, compression roller assembly includes the support frame, the support frame have with manage the through hole of pipe orifice coaxial line, set up a plurality of compression rollers that are used for rolling pipe body surface around the through hole.

9. The winding and forming device for the middle reinforcement layer of the gas drainage pipe as claimed in claim 1, wherein: the rear end of power carousel sets up the cartridge heater, the cartridge heater includes the frame, sets up the barrel in the frame, the barrel internal surface has a plurality of electric heating wire.

10. The winding and forming device for the middle reinforcement layer of the gas drainage pipe as claimed in claim 1, wherein: and a brake is arranged at the edge of the power turntable, and the brake and a motor of the power turntable are electrically connected with the plc controller.