CN110726019A

CN110726019A - Driving type expansion joint and application thereof

Info

Publication number: CN110726019A
Application number: CN201910978212.XA
Authority: CN
Inventors: 程树斌; 李宁
Original assignee: NINGXIA SEN SOURCE HEAVY EQUIPMENT Co Ltd
Current assignee: NINGXIA SEN SOURCE HEAVY EQUIPMENT Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-01-24

Abstract

The invention discloses a driving type telescopic joint and application thereof. The driving type expansion joint can be actively extended and compressed, so that the collision between the dust hood and a fixed pipeline during movement can be avoided, and collision accidents and equipment damage are avoided; the device can also make up the gap between the dust hood and the fixed pipeline after positioning and butt joint, reduce air leakage rate, improve the ventilation and dust collection efficiency of the pipeline, save manual sealing, save time and labor and be convenient to operate.

Description

Driving type expansion joint and application thereof

Technical Field

The invention belongs to the technical field of pipeline ventilation, and particularly relates to a driving type expansion joint and application thereof.

Background

In ventilation or environmental protection dust removal pipe-line system, some pipeline or suction hood facility need frequently pass through track removal and switch the butt joint with one or more other fixed pipeline, because of factors influences such as track clearance and mobile device swing during the removal, must leave sufficient clearance between movable pipeline and the fixed pipeline axial and just can avoid the collision. In the ventilation or dust collection process, the gap has no reliable sealing or compensation measures, the air leakage rate is high, and the ventilation or dust collection effect is influenced. In practical application, the reserved gap for avoiding collision is also provided with measures such as manual winding of flexible materials, but the measures such as winding of the flexible materials are influenced by limited installation height and space, so that labor and time are wasted, and operation is inconvenient. Until the air leakage of the gap between the switching butt joint point of the fixed pipeline and the dust hood is solved, no convenient and reliable device or measure is provided.

Disclosure of Invention

The present invention is directed to a driving type expansion joint and its application to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a drive telescopic joint, includes the telescopic joint main part, the both ends of telescopic joint main part are fixed with the tip flange respectively, wherein one end be fixed with actuating mechanism on the tip flange, actuating mechanism's flexible end and the tip flange joint of the other end.

Preferably, the end flange is provided with connection lugs at equal intervals, and the driving mechanism is mounted on the connection lugs.

Preferably, the driving mechanism is any one of a worm gear reducer, a cylinder and a hydraulic push rod.

Preferably, the output end of the worm gear speed reducer is a rotary screw rod, a nut sleeve is installed on the rotary screw rod and fixedly connected with a flange at the end part of the other side, a chain wheel is further installed on the rotary screw rod, and the rotary screw rods are connected through a chain.

Preferably, one end of the air cylinder or the hydraulic push rod is fixed on one end flange, and the output end of the air cylinder or the hydraulic push rod is fixed on the other end flange.

The utility model provides an application of drive telescopic joint, drive telescopic joint is installed on the guide rail, the end that stretches out of drive telescopic joint docks with the fixed pipeline clearance on the blast pipe, install the flap valve in the fixed pipeline, the suction hood that is used for covering the pouring mould is installed to the other end of drive telescopic joint.

The telescopic joint main body can be made of carbon steel, stainless steel, rubber flexible connection and the like, and can be made into different specifications such as a rectangle and a circle according to different pipeline sections.

The invention has the technical effects and advantages that:

the driving type expansion joint can be actively extended and compressed, so that the collision between the dust hood and a fixed pipeline during movement can be avoided, and collision accidents and equipment damage are avoided; the device can also make up the gap between the dust hood and the fixed pipeline after positioning and butt joint, reduce air leakage rate, improve the ventilation and dust collection efficiency of the pipeline, save manual sealing, save time and labor and be convenient to operate.

Drawings

FIG. 1 is a schematic view of the construction of a driving type expansion joint of the present invention;

FIG. 2 is a schematic view of an end flange configuration of the present invention;

FIG. 3 is a schematic structural diagram of an embodiment of the present invention

Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

FIG. 5 is a schematic top view of the present invention;

FIG. 6 is a schematic diagram of a side view of the present invention

In the figure: the device comprises a driving mechanism 1, a rotating screw rod 101, a chain wheel 102, a nut sleeve 103, a worm gear reducer 104, a telescopic joint body 2, an end flange 3, a connecting lug 301, an exhaust pipe 4, a fixed pipeline 5, a guide rail 6, a dust hood 7 and a casting mold 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1, 2, 3, 5, and 6, a driving type telescopic joint includes a telescopic joint main body 2, end flanges 3 are respectively fixed at two ends of the telescopic joint main body 2, wherein a driving mechanism 1 is fixed on the end flange 3 at one end, and a telescopic end of the driving mechanism 1 is connected with the end flange 3 at the other end.

The end flange 3 is provided with connecting lugs 301 at equal intervals, and the driving mechanism 1 is installed on the connecting lugs 301.

The driving mechanism 1 is a worm gear reducer 104. The driving can be performed manually or electrically.

The output end of the worm gear reducer 104 is a rotary screw 101, the rotary screw 101 is provided with a nut sleeve 103, the nut sleeve 103 is fixedly connected with the flange 3 at the other end of the rotary screw 101, the rotary screw 101 is also provided with a chain wheel 102, and the rotary screws 101 are connected through a chain.

The utility model provides an application of drive type telescopic joint, drive type telescopic joint is installed on guide rail 6, the end that stretches out of drive type telescopic joint and 5 clearance butt joints of fixed pipeline on the blast pipe 4, install the flap valve in the fixed pipeline 5, the suction hood 7 that is used for covering pouring die 8 is installed to the other end of drive type telescopic joint.

During the use, utilize guide rail 6, can carry out lateral shifting to drive telescopic joint to remove drive telescopic joint to appointed casting mould 8 department, utilize suction hood 7 to seal the waste gas that casting mould 8 goes out, start worm gear reducer 104 simultaneously, can be under the effect of chain, sprocket 102, make rotatory lead screw 101 rotate simultaneously, thereby drive nut cover 103 moves that stretches out and draws back, dock the fixed pipeline 5 on the end that stretches out of telescopic joint main part 2 and the blast pipe 4, with the leading-in blast pipe 4 of waste gas, take out unified processing through the air exhauster.

Example 2

As shown in fig. 1, 2, 4, 5, and 6, a driving type telescopic joint includes a telescopic joint main body 2, end flanges 3 are respectively fixed at two ends of the telescopic joint main body 2, wherein a driving mechanism 1 is fixed on the end flange 3 at one end, and a telescopic end of the driving mechanism 1 is connected with the end flange 3 at the other end.

The driving mechanism 1 is any one of an air cylinder and a hydraulic push rod.

One end of the air cylinder or the hydraulic push rod is fixed on one end flange 3, and the output end of the air cylinder or the hydraulic push rod is fixed on the other end flange 3.

During the use, utilize guide rail 6, can carry out lateral shifting to drive telescopic joint to remove drive telescopic joint to appointed casting mould 8 departments, utilize suction hood 7 to seal the waste gas that casting mould 8 were gone out, start cylinder, hydraulic push rod simultaneously, dock the fixed pipeline 5 on with the fixed pipeline on the blast pipe 4 with the end that stretches out of telescopic joint main part 2, with waste gas leading-in blast pipe 4, take out unified processing through the air exhauster.

According to the invention, the fixed pipeline 5 and the dust hood 7 are connected by using the driving type expansion joint, so that the sealing is reliable, the air leakage is reduced, when the dust hood 7 moves, the driving type expansion joint contracts, a gap is generated between the driving type expansion joint and the fixed pipeline 5 in the axial direction, and the dust hood 7 does not collide with the fixed pipeline when moving; when the dust hood 7 moves to be aligned with a certain fixed pipeline 5, the driving type expansion joint extends and contacts with the fixed pipeline 5, gaps between the dust hood 7 and the fixed pipeline 5 are eliminated, and the ventilation or dust collection air leakage rate is effectively reduced after the gaps are eliminated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A driving type telescopic joint comprises a telescopic joint main body (2), and is characterized in that: the telescopic joint is characterized in that end flanges (3) are respectively fixed at two ends of the telescopic joint main body (2), a driving mechanism (1) is fixed on the end flange (3) at one end, and the telescopic end of the driving mechanism (1) is connected with the end flange (3) at the other end.

2. A drive type expansion joint according to claim 1, wherein: the end flange (3) is provided with engaging lugs (301) at equal intervals, and the driving mechanism (1) is installed on the engaging lugs (301).

3. A drive type expansion joint according to claim 1, wherein: the driving mechanism (1) is any one of a worm gear reducer (104), an air cylinder and a hydraulic push rod.

4. A drive type expansion joint according to claim 3, wherein: the output end of the worm gear reducer (104) is a rotary screw rod (101), a nut sleeve (103) is installed on the rotary screw rod (101), the nut sleeve (103) is fixedly connected with the flange (3) at the end part of the other side, a chain wheel (102) is further installed on the rotary screw rod (101), and the rotary screw rod (101) is connected through a chain.

5. A drive type expansion joint according to claim 3, wherein: one end of the air cylinder or the hydraulic push rod is fixed on one end flange (3), and the output end of the air cylinder or the hydraulic push rod is fixed on the other end flange (3).

6. Use of a telescopic drive joint according to any of claims 1 to 5, characterised in that: the utility model discloses a pouring mould, including drive type telescopic joint, fixed pipeline (5) clearance butt joint on drive type telescopic joint's the end that stretches out and blast pipe (4), install the flap valve in fixed pipeline (5), suction hood (7) that are used for covering pouring mould (8) are installed to the other end of drive type telescopic joint.