CN212427420U

CN212427420U - Municipal compressive composite drainage pipeline

Info

Publication number: CN212427420U
Application number: CN202020610150.5U
Authority: CN
Inventors: 梁桂誉; 鲁炳俊
Original assignee: Qingdao Golden Beach Construction Group Co ltd
Current assignee: Qingdao Golden Beach Construction Group Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-29
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to a municipal administration is with compound drainage pipe of resistance to compression relates to drainage pipe, aims at solving the problem that the drain pipe is easy to be pressed damaged, and it includes the outer tube that inner tube and cladding inner tube set up, be provided with a plurality of resistance to compression mechanisms between inner tube and the outer tube, resistance to compression mechanism includes two elastic plates that are fixed in the outer tube inner wall, the elastic plate is along the reverse extension of length of outer tube, two the mutual butt of elastic plate just extends towards the inner tube, two the one end that the elastic plate is close to the inner tube extends the formation bending segment back to the back mutually, inner tube outer wall is pressed close to. The utility model discloses can reduce the impaired, cracked probability of drain pipe relatively.

Description

Municipal compressive composite drainage pipeline

Technical Field

The utility model relates to a drainage pipe especially relates to a municipal administration is with compound drainage pipe of resistance to compression.

Background

In the municipal construction process, it is an important prerequisite to ensure that pipelines for conveying gas and liquid are in a communicated state for a long time to ensure normal life of people. Generally, a pipeline is buried in the ground, and is subject to pressure from the ground for a long period of time, and is likely to be broken.

The utility model discloses a chinese utility model patent that bulletin number is CN210218932U discloses a composite drain pipe of resistance to compression for municipal works, including the drain pipe inner tube, the outside parcel of drain pipe inner tube is provided with the drain pipe outer tube, the inner wall of drain pipe outer tube all is provided with the rubber bolster all around, the one end that the inside pipe wall of drain pipe outer tube was kept away from to the rubber bolster all is connected with the outer wall laminating of drain pipe inner tube, and is adjacent two sets of be provided with buffer material filling cavity between the rubber bolster, the outer wall parcel of drain pipe outer tube is provided with steel wire wrapping layer, the outer wall parcel on steel wire wrapping layer.

The scheme provides the compression-resistant composite drain pipe, which is characterized in that the outer pipe of the drain pipe is arranged, and a rubber buffer piece is arranged between the outer pipe of the drain pipe and the inner pipe of the drain pipe to protect the inner pipe of the drain pipe; but rubber buffer pressurized is yielding relatively, in long-term use, through the protection of rubber buffer with the interior pipe of drain pipe, and protective strength is relatively more weak, and the impaired probability of drain pipe inner tube is great relatively, consequently the utility model provides a new technical scheme.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a municipal compressive composite drainage pipe, its probability that can reduce the drain pipe relatively impaired, break.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a municipal administration is with compound drainage pipe of resistance to compression, includes the outer tube that inner tube and cladding inner tube set up, be provided with a plurality of resistance to compression mechanisms between inner tube and the outer tube, resistance to compression mechanism includes two elastic plates that are fixed in the outer tube inner wall, the elastic plate extends along the length of outer tube is reverse, two each other butt of elastic plate and extend towards the inner tube, two the one end that the elastic plate is close to the inner tube extends mutually and forms the bending segment, the inner tube outer wall is pressed close to the bending segment.

By adopting the technical scheme, the elastic plate is made of alloy with high fatigue resistance, when the outer pipe is stressed and the force is transmitted to the inner pipe, the force is transmitted to the elastic plate firstly, the elastic plate is stressed and deformed, and under the guiding action of the outer wall of the inner pipe and the bending section formed on the elastic plate, the two adjacent bending sections move back to change the direction of the force to be transmitted to the inner pipe through the elastic plate, namely, the force transmitted to the inner pipe is relatively reduced by unloading the force through the elastic plate and the bending section which are deformed back to back, so that the probability of damage and fracture of the inner pipe is relatively reduced; when the outer tube stress reduces and disappears, the elastic plate formed with the bending section deforms oppositely to recover the unstressed state so as to exert the force unloading effect next time.

The present invention may be further configured in a preferred embodiment as: the one end that the bending segment deviates from the elastic plate is kept away from the inner tube and is bent to form the butt joint plate.

Through adopting above-mentioned technical scheme, when the outer tube atress, the elastic plate that the shaping has the bending section is given in the power transmission, when adjacent bending section moves mutually away from the body, under the guide effect of inner tube outer wall, the bending section on two adjacent resistance to compression mechanisms moves in opposite directions, and the shaping is two butt joint board relative butt on two bending sections of moving in opposite directions, prevent two adjacent bending sections and elastic plate to continue to carry on mutually away from the body deformation mutually, at this moment, by the butt joint board, a plurality of resistance to compression mechanisms and the outer tube that bending section and elastic plate constitute form the loop construction of power transmission, thereby reduce the power of transmitting for the inner tube relatively, it is impaired to reduce the inner tube relatively, cracked probability, the result of use is.

The present invention may be further configured in a preferred embodiment as: two of mutual butt the elastic plate is worn to be equipped with many double-screw bolts simultaneously, threaded connection has the nut respectively at the both ends of double-screw bolt, two the nut sets up respectively in two the both sides that the elastic plate was carried on the back mutually, be provided with the spring that the double-screw bolt was located to the cover between nut and the elastic plate.

Through adopting above-mentioned technical scheme, when two adjacent elastic plates atress carried on the back deformation mutually, the spring that two adjacent elastic plates carried on the back one side mutually of cover shortened under the hindrance of nut to hinder the deformation of two adjacent elastic plates relatively, simultaneously, will transmit the power phase separation for the elastic plate, form another compressive structures, thereby reduce the impaired probability of outer tube relatively.

The present invention may be further configured in a preferred embodiment as: the outer tube is divided into two sub-tubes along the axial direction of the outer tube, the axial line of one side opposite to the sub-tubes far away from the outer tube extends to form a fixed plate, and the fixed plates abutted against each other are simultaneously provided with bolts in a penetrating mode.

By adopting the technical scheme, the outer pipe is divided into two sub-pipes so as to be convenient for mounting and dismounting the inner pipe arranged in the outer pipe; meanwhile, the outer tube can be replaced in time when damaged, so that the using effect is relatively better.

The present invention may be further configured in a preferred embodiment as: and a sealing layer is arranged between the two mutually abutted fixing plates.

Through adopting above-mentioned technical scheme, when forming the outer tube with two spinal canal fixings through the bolt, set up the sealing layer between two mutual butt fixed plates, the sealing layer adopts inorganic water absorption expanding material of polymer and rubber mixing to form, water absorption expansion, with the relatively thorough packing in gap between two mutual butt fixed plates, prevent water to continue to permeate and get into between inner tube and the outer tube, thereby reduce the inner tube relatively and by the butt board, a plurality of resistance to compression mechanisms that bending segment and elastic plate constitute are corroded probability, in order to guarantee by the butt board, the long-term preferred of result of use of a plurality of resistance to compression mechanisms that bending segment and elastic plate constitute.

The present invention may be further configured in a preferred embodiment as: the inner wall of the outer pipe is radially provided with a plurality of first reinforcing ribs, and one ends, far away from the inner wall of the outer pipe, of the first reinforcing ribs are arc-shaped and close to the abutting plates.

By adopting the technical scheme, the first reinforcing ribs are radially formed on the inner wall of the outer pipe, so that the strength of the outer pipe can be relatively enhanced, and the probability of the outer pipe being damaged by pressure is relatively reduced; when the butt plate atress on two adjacent resistance to compression mechanisms removed in opposite directions, because the one end that outer tube inner wall was kept away from to strengthening rib one is the arcuation and is close to the butt plate, so strengthening rib one and inner tube outer wall form common guide effect, thereby can guarantee the final butt of butt plate on two adjacent resistance to compression mechanisms, in order to guarantee two butt plates on two adjacent resistance to compression mechanisms, two bending segments, two elastic plates and outer tube formation power transmission's bad structure of following, thereby guarantee that the inner tube atress is minimum relatively, impaired probability is minimum relatively.

The present invention may be further configured in a preferred embodiment as: and a second reinforcing rib is arranged on the outer wall of the outer pipe and extends along the axial direction of the outer pipe.

By adopting the technical scheme, the second reinforcing rib is formed on the outer wall of the outer pipe, so that the probability of radial fracture of the outer pipe under stress can be relatively reduced; meanwhile, the first auxiliary reinforcing rib is used for further enhancing the compressive strength of the outer pipe, so that the damage probability of the outer pipe is relatively reduced, and the effect of protecting the inner pipe is good for a long time.

The present invention may be further configured in a preferred embodiment as: and a buffer is filled between the outer tube and the inner tube.

By adopting the technical scheme, the buffer piece is made of polyethylene foam plastic and is filled between the outer pipe and the inner pipe so as to relatively enhance the integral compressive strength of the drain pipe; meanwhile, the buffer piece has a buffer effect, the probability that the inner tube is damaged due to stress can be further reduced, and the using effect is relatively better.

The present invention may be further configured in a preferred embodiment as: the outer wall cladding of inner tube is provided with the insulating tube.

By adopting the technical scheme, the inner pipe is coated by the heat-insulating pipe, so that the probability that the inner pipe is directly damaged and damaged can be relatively reduced; the heat preservation pipe adopts polyurethane heat preservation pipe, has certain heat preservation effect, can reduce the mechanism that the fluid in the inner tube solidifies under the low temperature state fairly to the result of use is better relatively.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the outer pipe is stressed and the force is transmitted towards the inner pipe, the force is transmitted to the abutting plates firstly, and the two adjacent bending sections move back to reduce the force transmitted to the inner pipe through the bending sections, namely, a plurality of compression-resistant mechanisms formed by the two abutting plates, the two bending sections, the two elastic plates and other members are arranged on the inner wall of the outer pipe, so that the probability of damage and fracture of the inner pipe due to stress is relatively reduced;

2. forming abutting plates on the bending sections, wherein the two adjacent abutting plates of the two adjacent compression-resistant mechanisms are stressed and move oppositely, and at the moment, under the common guide action of the first reinforcing rib and the outer wall of the inner pipe, the two abutting plates are abutted oppositely, so that the compression-resistant mechanisms formed by the abutting plates, the bending sections, the elastic plates and other members and the outer pipe form a closed loop structure for force transmission, the compression-resistant capability of the outer pipe is relatively enhanced, and the probability of damage of the inner pipe due to stress is relatively reduced;

3. the first reinforcing rib and the second reinforcing rib are integrally formed on the outer pipe, so that the compressive strength of the outer pipe is enhanced, and the probability of damage to the inner pipe protected by the outer pipe is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the explosion structure of the present invention, mainly showing the compression-resistant mechanism.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of part B of fig. 2.

Reference numerals: 1. an inner tube; 11. a heat preservation pipe; 2. an outer tube; 21. a sub-tube; 211. a fixing plate; 212. a bolt; 22. a sealing layer; 23. reinforcing ribs I; 24. a second reinforcing rib; 3. an elastic plate; 31. bending the section; 32. a butt joint plate; 4. a stud; 41. a nut; 42. a spring; 5. a buffer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the municipal compressive composite drainage pipeline is made of steel materials and comprises an inner pipe 1 and an outer pipe 2 wrapping the inner pipe 1, wherein the outer wall of the inner pipe 1 is wrapped with a heat preservation pipe 11, the heat preservation pipe 11 is made of a polyurethane heat preservation pipe and has heat preservation, corrosion prevention and waterproof effects, the heat preservation pipe 11 wraps the inner pipe 1, the probability that liquid guided in the inner pipe 1 is solidified in a low-temperature state can be relatively reduced, and therefore the use effect is relatively better; in addition, the heat preservation pipe 11 has a protection effect, and the probability of damage to the inner pipe 1 can be relatively reduced.

Referring to fig. 2 and 3, be provided with a plurality of resistance to compression mechanisms between inner tube 1 and the outer tube 2, a plurality of resistance to compression mechanisms set up to 4 and above, the equipartition is in the radial side of inner tube 1, resistance to compression mechanism includes that two weld in the elastic plate 3 of 2 inner walls of outer tube, elastic plate 3 adopts the high alloy preparation of antifatigue degree to form, elastic plate 3 extends along the length of outer tube 2 is reverse, two mutual butts of elastic plate 3 and extend towards inner tube 1, two elastic plate 3 one end that are close to inner tube 1 extend mutually and form bending segment 31, bending segment 31 presses close to the outer wall of inner tube 1.

When the outer pipe 2 is stressed to deform, the elastic plate 3 is stressed to move towards the inner pipe 1, under the guiding action of the bending sections 31 which are bent and the outer wall of the heat preservation pipe 11, the elastic plate is abutted to the inner pipe 1, and the two adjacent bending sections 31 are stressed to move away from each other, so that the force transmitted to the inner pipe 1 by the outer pipe 2 is separated and moves towards the radial direction of the outer wall of the inner pipe 1, the pressure generated by the outside and transmitted to the inner pipe 1 is relatively discharged, and the probability of damage and fracture of the drain pipe is relatively reduced. When the stress on the outer tube 2 is reduced or even eliminated, the two bending sections 31 and the two adjacent elastic plates 3 deform and approach each other under the action of the elasticity of the two bending sections to support the outer tube 2 and the inner tube 1 relatively for the next deformation.

A plurality of screw holes are simultaneously formed in the two elastic plates 3 which are mutually abutted, the screw bolts 4 penetrate through the screw holes, screw caps 41 are respectively connected to two ends of each screw bolt 4 in a threaded mode, the two screw caps 41 are respectively arranged on two sides, back to back, of the two elastic plates 3, and springs 42 sleeved on the screw bolts 4 are arranged between the screw caps 41 and the elastic plates 3. When two adjacent elastic plates 3 formed with the bending sections 31 are stressed and deformed oppositely, the distance between the elastic plate 3 and the nut 41 is shortened, and the spring 42 is compressed, so that the stress of the elastic plates 3 can be relatively removed through the deformation of the spring 42, the deformation of the elastic plates 3 is relatively reduced, and further, the damage effect of the inner tube 1 and the outer tube 2 is relatively better.

The end of the bending section 31 facing away from the elastic plate 3 is bent away from the inner tube 1 to form an abutting plate 32. When two kinks 31 move back to back under the transmission effect of power, kinks 31 on two adjacent resistance to compression mechanisms move in opposite directions, at this moment, butt joint board 32 on two kinks 31 that move in opposite directions butt each other, thereby prevent that the shaping has elastic plate 3 of kinks 31 to continue to take place deformation, simultaneously, make a plurality of resistance to compression mechanisms that constitute by butt joint board 32, kinks 31 and elastic plate 3 and outer tube form the circulation channel of the transmission of power, reduce the probability that power transmits for inner tube 1 relatively, thereby reduce the probability that inner tube 1 atress damaged, cracked relatively, the result of use is better relatively.

Referring to fig. 2 and 4, the outer tube 2 is divided into two sub-tubes 21 along the axial direction thereof, the opposite sides of the two sub-tubes 21 extend away from the axis of the outer tube 2 to form fixing plates 211, the two abutting fixing plates 211 are simultaneously provided with a plurality of coaxial screw holes, and bolts 212 are inserted into the screw holes. The outer pipe 2 is divided into two parts to form two sub-pipes 21 so as to replace the broken outer pipe 2 in time; meanwhile, the inner tube 1 is convenient to mount and dismount, and the using effect is relatively better.

A sealing layer 22 is arranged between two mutually abutted fixing plates 211, and the sealing layer 22 is formed by mixing a macromolecular inorganic water-absorbing expansion material and rubber. When the sealing layer 22 meets water, the sealing layer can absorb water to expand, and the gap between the two abutted fixing plates 211 is tightly filled, so that the probability that water seeps into the gap between the inner tube 1 and the outer tube 2 from the gap is relatively reduced, a plurality of compression-resistant mechanisms formed by the abutting plates 32, the bending sections 31 and the elastic plates 3 are prevented from being corroded, the service life of the compression-resistant mechanisms is relatively prolonged, and the long-term better using effect of the compression-resistant mechanisms is ensured; in addition, the possibility of corrosion of the inner tube 1 by water can be relatively reduced.

A plurality of first reinforcing ribs 23 are integrally formed on the inner wall of the outer pipe 2 in the radial direction, one end, far away from the inner wall of the outer pipe 2, of each first reinforcing rib 23 is in an arc shape and close to the abutting plate 32, and a gap is formed between one end, close to the inner pipe 1, of each first reinforcing rib 23 and the outer wall of the inner pipe 1. When two butt joint board 32 atress when moving mutually in opposite directions, be close to that 1 one end of inner tube be the strengthening rib 23 of arcuation and the 11 outer walls of insulating tube form the guide effect simultaneously, can guarantee two butt joint board 32 smooth butt that move in opposite directions on two adjacent resistance to compression mechanisms to when guaranteeing the 2 atress of outer tube, a plurality of resistance to compression mechanisms form the circulation of a power transmission, with the probability of reducing inner tube 1 atress damage relatively.

A second reinforcing rib 24 is integrally formed on the outer wall of the outer pipe 2, and the second reinforcing rib 24 extends along the axial direction of the outer pipe 2 so as to reinforce the strength of the outer pipe 2 in the axial direction of the outer pipe 2 and prevent the outer pipe 2 from radial fracture under stress; meanwhile, the reinforcing ribs I23 which are radially formed on the inner wall of the outer pipe 2 are used for assisting, so that the strength of the outer pipe 2 is further enhanced, and the effect of preventing the outer pipe 2 from being damaged is relatively better.

Referring to fig. 2 and 3, a buffer 5 is filled between the outer tube 2 and the inner tube 1. The buffer piece 5 is made of polyethylene foam plastic and is filled between the outer pipe 2 and the inner pipe 1 so as to relatively strengthen the overall strength of the drain pipe formed by the inner pipe 1 and the outer pipe 2; meanwhile, a buffer effect is formed to relatively reduce the probability of damage of the outer pipe 2 due to stress and reduce the force transmitted to the inner pipe 1, thereby relatively reducing the probability of damage of the inner pipe 1.

The installation process of this embodiment is: when in installation, one of the sub-pipes 21 is placed in a line for installing a drain pipe; the buffer 5 is then placed in this sub-tube 21; then the inner pipe 1 coated with the heat preservation pipe 11 is placed in the sub-pipe 21; finally, the cushion member 5 is placed in the other sub-pipe 21, and the sub-pipe 21 is fixed to the first sub-pipe 21 by the bolt 212. Before the sub-pipe 21 is attached, a plurality of pressure-resisting mechanisms including the abutting plate 32, the bent section 31, and the elastic plate 3 are fixed to the sub-pipe 21.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a municipal administration is with compound drainage pipe of resistance to compression, includes outer tube (2) that inner tube (1) and cladding inner tube (1) set up, its characterized in that: be provided with a plurality of resistance to compression mechanisms between inner tube (1) and outer tube (2), resistance to compression mechanism includes two elastic plate (3) that are fixed in outer tube (2) inner wall, elastic plate (3) are followed the length of outer tube (2) and are extended backward, two elastic plate (3) butt each other and extend towards inner tube (1), two one end that elastic plate (3) are close to inner tube (1) extends mutually and forms bending segment (31), inner tube (1) outer wall is pressed close to in bending segment (31).

2. The municipal pressure-resistant composite drainage pipeline according to claim 1, wherein: one end of the bending section (31) departing from the elastic plate (3) is far away from the inner tube (1) and is bent to form a butting plate (32).

3. The municipal pressure-resistant composite drainage pipeline according to claim 2, wherein: two of mutual butt elastic plate (3) are worn to be equipped with many double-screw bolts (4) simultaneously, threaded connection has nut (41) respectively at the both ends of double-screw bolt (4), two nut (41) set up respectively in two elastic plate (3) both sides back on the back of the body, be provided with spring (42) that the cover was located double-screw bolt (4) between nut (41) and elastic plate (3).

4. The municipal pressure-resistant composite drainage pipeline according to claim 1, wherein: the outer tube (2) is divided into two sub-tubes (21) along the axial direction, the axis of the outer tube (2) is kept away from on one side opposite to the sub-tubes (21) to extend to form a fixing plate (211), and bolts (212) are simultaneously arranged in the fixing plate (211) in a penetrating mode in two abutted connection modes.

5. The municipal pressure-resistant composite drainage pipeline according to claim 4, wherein: and a sealing layer (22) is arranged between the two abutted fixing plates (211).

6. The municipal pressure-resistant composite drainage pipeline according to claim 4, wherein: the inner wall of the outer pipe (2) is radially provided with a plurality of first reinforcing ribs (23), and one ends, far away from the inner wall of the outer pipe (2), of the first reinforcing ribs (23) are in arc shapes and close to the abutting plates (32).

7. The municipal pressure-resistant composite drainage pipeline according to claim 6, wherein: and a second reinforcing rib (24) is arranged on the outer wall of the outer pipe (2), and the second reinforcing rib (24) extends along the axial direction of the outer pipe (2).

8. The municipal pressure-resistant composite drainage pipeline according to claim 7, wherein: and a buffer member (5) is filled between the outer tube (2) and the inner tube (1).

9. The municipal pressure-resistant composite drainage pipeline according to claim 8, wherein: the outer wall of the inner pipe (1) is coated with a heat preservation pipe (11).