CN215674176U

CN215674176U - Soft wear-resistant elbow for conveying materials with strong abrasiveness

Info

Publication number: CN215674176U
Application number: CN202122303178.1U
Authority: CN
Inventors: 陈学军; 宋长明; 谢春娥; 孙晓
Original assignee: NANJING AIR CONVEYING SYSTEM CO Ltd
Current assignee: NANJING AIR CONVEYING SYSTEM CO Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-28
Anticipated expiration: 2031-09-23

Abstract

The utility model belongs to the technical field of bulk material conveying, and particularly relates to a soft wear-resistant elbow for conveying materials with strong abrasiveness, aiming at the problem that the existing elbow is inconvenient to install, the utility model provides a scheme that the elbow comprises a conveying pipe, wherein an elbow body is movably sleeved at the bottom end of the conveying pipe, the elbow body sequentially comprises a steel layer, a binder layer and a composite polyester layer from outside to inside, a fixing ring is fixedly sleeved at the bottom end of the conveying pipe, a sealing ring is fixedly sleeved on the fixing ring, the sealing ring is matched with the elbow body, accommodating grooves are formed in the left side and the right side of the fixing ring and are positioned below the sealing ring, and shells are fixedly connected to the tops of the two sides of the elbow body. The utility model has compact structure, reasonable design and convenient operation, can not only quickly install the elbow and improve the installation efficiency of the elbow, but also reduce the abrasion of the elbow by adopting the soft wear-resistant elbow due to high wear resistance, good rebound resilience and shock resistance.

Description

Soft wear-resistant elbow for conveying materials with strong abrasiveness

Technical Field

The utility model relates to the technical field of bulk material conveying, in particular to a soft wear-resistant elbow for conveying materials with strong abrasiveness.

Background

The abrasion-resistant elbow on the pipeline is often easy to wear through, the abrasion-resistant elbow adopted in the mainstream of the market is lined with ceramic, the ceramic elbow is high in hardness, but high in brittleness, poor in impact resistance and large in vibration, once the ceramic is worn at one point, the ceramic can be worn at the point with a large area, materials with higher hardness such as zirconium beads are not suitable for conveying, the Mohs hardness of the zirconium beads can reach 7 or even more, the ceramic elbow is only used for diamond, the materials are worn through the ceramic elbow in a circle less than the cycle of the ceramic elbow with the lining, the leakage of the zirconium beads is caused, the normal operation and the environmental pollution of pneumatic conveying are seriously affected, meanwhile, the elbow is generally sleeved on a conveying pipe in a threaded mode and then is fixed by bolts, and the installation process is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a soft wear-resistant elbow for conveying materials with strong abrasiveness.

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

a soft wear-resistant elbow for conveying materials with strong abrasiveness comprises a conveying pipe, wherein an elbow body is movably sleeved at the bottom end of the conveying pipe, the elbow body sequentially comprises a steel layer, a binder layer and a composite polyester layer from outside to inside, a fixing ring is fixedly sleeved at the bottom end of the conveying pipe, a sealing ring is fixedly sleeved on the fixing ring and is matched with the elbow body, accommodating grooves are formed in the left side and the right side of the fixing ring and are positioned below the sealing ring, shells are fixedly connected to the tops of the two sides of the elbow body, one side of the inner wall of the shell, which is close to the elbow body, is fixedly connected with one end of a hollow column, a metal stop block is fixedly connected to the other end of the hollow column, the metal stop block is fixedly connected to the inner wall of the bottom of the shells, a sliding ring is sleeved on the hollow column in a sliding manner, inserting strips are fixedly connected to the tops of the sliding ring, and one ends, which are close to each other, extend into the elbow body, and respectively with two holding groove looks adaptations, the equal fixedly connected with wire wheel of the both sides inner wall of shell, the left side inner wall fixedly connected with stopper of elbow body.

Preferably, a spring is fixedly connected between the sliding ring and the metal stop block, and the spring is movably sleeved on the hollow column.

Preferably, the inner wall of the top of the shell is provided with a storage groove, a moving block is slidably mounted in the storage groove, and the bottom of the moving block is fixedly connected with a hollow plate.

Preferably, one end of the insertion strip close to the sliding ring is fixedly connected with one end of a steel wire rope, and the other end of the steel wire rope is fixedly installed on one side of the hollow plate through two wire guide wheels.

Preferably, a screw hole is formed in one side, away from the elbow body, of the shell, and a screw rod is installed in an internal thread of the screw hole.

Preferably, one end of the screw rod is rotatably installed at one side of the hollow plate, and the other end of the screw rod extends out of the shell and is fixedly connected with the handle.

In the utility model, when the flexible wear-resistant elbow for conveying materials with strong abrasiveness is installed, the handle is rotated to drive the screw rod to rotate, the screw rod can rotate and move horizontally at the same time due to the fact that the screw rod is installed in the screw hole in a threaded manner, then the hollow plate connected with the screw rod in a rotating manner is driven to move horizontally, the hollow plate is far away from the elbow body, the sliding ring can only move horizontally due to the fact that the sliding ring is sleeved on the hollow column in a sliding manner, therefore, the inserting strip fixedly connected to the top of the sliding ring can only move horizontally, due to the connection relationship among the inserting strip, the steel wire rope and the hollow plate, the inserting strip and the sliding ring can be pulled to move through the steel wire rope along with the movement of the hollow plate, the spring is compressed, when the inserting strip moves into the shell, the elbow body is sleeved at the bottom of the conveying pipe, when the fixing ring fixedly sleeved at the bottom of the conveying pipe is in contact with the limiting block, the handle is loosened, the sliding ring is pushed to move towards the direction far away from the metal stop block due to the elastic action of the spring, and then the inserting strip is driven to move, so that the inserting strip is inserted into the accommodating groove, the elbow body is fixed at the bottom end of the conveying pipeline, and the installation of the elbow body is completed. The utility model has compact structure, reasonable design and convenient operation, can not only quickly install the elbow and improve the installation efficiency of the elbow, but also reduce the abrasion of the elbow by adopting the soft wear-resistant elbow due to high wear resistance, good rebound resilience and shock resistance.

Drawings

FIG. 1 is a schematic structural view of a soft wear-resistant elbow for conveying highly abrasive materials according to the present invention;

figure 2 is a cross-sectional view of the elbow body of figure 1 of a soft, wear-resistant elbow for addressing the transportation of abrasive materials in accordance with the present invention;

fig. 3 is a schematic structural view of part a of fig. 1 of a soft wear-resistant elbow for solving the problem of conveying a material with strong abrasiveness according to the present invention;

fig. 4 is a schematic structural diagram of the shell of fig. 1 for solving the problem of conveying the soft wear-resistant elbow for the highly abrasive materials according to the present invention.

In the figure: the device comprises a material conveying pipe 1, an elbow body 2, a steel layer 3, an adhesive layer 4, a composite polyester layer 5, a fixing ring 6, a sealing ring 7, an accommodating groove 8, a shell 9, a hollow column 10, a metal stop block 11, a sliding ring 12, an inserting strip 13, a spring 14, a wire guide wheel 15, an object accommodating groove 16, a moving block 17, a hollow plate 18, a screw hole 19, a screw rod 20, a handle 21, a steel wire rope 22 and a limiting block 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

Example one

Referring to fig. 1-4, a soft wear-resistant elbow for conveying materials with strong abrasiveness, comprising a conveying pipe 1, wherein the bottom end of the conveying pipe 1 is movably sleeved with an elbow body 2, the elbow body 2 sequentially comprises a steel layer 3, a binder layer 4 and a composite polyester layer 5 from outside to inside, the steel layer 3 is a No. 20 seamless steel pipe and can play a bearing role, the binder layer 4 is prepared from special materials, the composite polyester layer 5 is polymerized from polytetramethylene glycol, polytetrafluoroethylene, Ni powder, silica powder and the like, the inner surface is made into a wave shape by a grinding tool, the materials with strong abrasiveness have certain resilience when passing through the soft materials, collision between the materials and the materials is formed, meanwhile, impact force of the materials on the elbow is reduced, the wear resistance of the elbow is greatly improved, and good interface bonding performance between the steel layer and the polyester layer is achieved by mixing the powder and alumina sol or silica sol according to a certain proportion, meanwhile, the elbow has certain impact resistance and reduces the vibration of the elbow, a fixing ring 6 is fixedly sleeved at the bottom end of a conveying pipeline 1, a sealing ring 7 is fixedly sleeved on the fixing ring 6, the sealing ring 7 is matched with the elbow body 2, accommodating grooves 8 are respectively formed in the left side and the right side of the fixing ring 6, the accommodating grooves 8 are positioned below the sealing ring 7, shells 9 are respectively and fixedly connected to the tops of the two sides of the elbow body 2, one inner wall of one side, close to the elbow body 2, of each shell 9 is fixedly connected with one end of a hollow column 10, the other end of the hollow column 10 is fixedly connected with a metal stop block 11, the metal stop block 11 is fixedly connected to the inner wall of the bottom of the shell 9, a sliding ring 12 is slidably sleeved on the hollow column 10, inserting strips 13 are fixedly connected to the top of the sliding ring 12, the ends, close to each other, of the two inserting strips 13 extend into the elbow body 2 and are respectively matched with the two accommodating grooves 8, in two cuttings 13 can insert two holding tanks 8 respectively, the equal fixedly connected with wire wheel 15 of both sides inner wall of shell 9, the left side inner wall fixedly connected with stopper 23 of elbow body 2.

In the utility model, a spring 14 is fixedly connected between the sliding ring 12 and the metal stop 11, the spring 14 is movably sleeved on the hollow column 10, and the elastic restoring force of the spring 14 can push the sliding ring 12 to move towards the direction far away from the metal stop 11.

In the utility model, the inner wall of the top of the shell 9 is provided with the object placing groove 16, the moving block 17 is arranged in the object placing groove 16 in a sliding manner, the bottom of the moving block 17 is fixedly connected with the hollow plate 18, and the moving block 17 can only horizontally slide along the object placing groove 16, so that the hollow plate 18 can only horizontally move.

In the utility model, one end of the slip 13 close to the sliding ring 12 is fixedly connected with one end of a steel wire rope 22, the other end of the steel wire rope 22 is fixedly arranged at one side of the hollow plate 18 through two wire guide wheels 15, and the hollow plate 18 moves, so that the slip 13 can be pulled through the steel wire rope 22.

In the utility model, a screw hole 19 is formed in one side of the shell 9 away from the elbow body 2, a screw 20 is arranged in the screw hole 19 through internal threads, and the screw 20 can horizontally move while rotating in the screw hole 19.

In the utility model, one end of the screw 20 is rotatably installed at one side of the hollow plate 18, the other end of the screw 20 extends out of the shell 9 and is fixedly connected with the handle 21, and the screw 20 can be driven to rotate by rotating the handle 21.

Example two

Referring to fig. 1-4, a soft wear-resistant elbow for conveying materials with strong abrasiveness, comprising a conveying pipe 1, wherein the bottom end of the conveying pipe 1 is movably sleeved with an elbow body 2, the elbow body 2 sequentially comprises a steel layer 3, a binder layer 4 and a composite polyester layer 5 from outside to inside, the bottom end of the conveying pipe 1 is fixedly sleeved with a fixing ring 6, the fixing ring 6 is fixedly sleeved with a sealing ring 7, the sealing ring 7 is matched with the elbow body 2, the left side and the right side of the fixing ring 6 are both chiseled with holding tanks 8, the holding tanks 8 are positioned below the sealing ring 7, the tops of the two sides of the elbow body 2 are both fixedly welded with shells 9, one end of a hollow column 10 is fixedly welded on the inner wall of one side of the elbow body 2, the other end of the hollow column 10 is fixedly welded with a metal stop block 11, and the metal stop block 11 is fixedly welded on the inner wall of the bottom of the shell 9, the slip cap is equipped with slip ring 12 on the cavity post 10, and the fixed welding in top of slip ring 12 has cutting 13, and the one end that two cutting 13 are close to each other all extends to elbow body 2 in, and respectively with two holding tank 8 looks adaptations, and the equal fixed welding in both sides inner wall of shell 9 has wire wheel 15, and the fixed welding in left side inner wall of elbow body 2 has stopper 23.

In the utility model, a spring 14 is fixedly welded between the sliding ring 12 and the metal stop 11, and the spring 14 is movably sleeved on the hollow column 10.

In the utility model, a storage groove 16 is chiseled on the inner wall of the top of the shell 9, a moving block 17 is slidably mounted in the storage groove 16, and a hollow plate 18 is fixedly welded at the bottom of the moving block 17.

In the utility model, one end of the inserting strip 13 close to the sliding ring 12 is fixedly welded with one end of a steel wire rope 22, and the other end of the steel wire rope 22 is fixedly arranged at one side of the hollow plate 18 through two wire guide wheels 15.

In the utility model, a screw hole 19 is chiseled on one side of the shell 9 far away from the elbow body 2, and a screw 20 is arranged in the screw hole 19.

In the utility model, one end of the screw 20 is rotatably installed at one side of the hollow plate 18, the other end of the screw 20 extends out of the shell 9, and the handle 21 is fixedly welded.

In the utility model, during installation, the handle 21 is rotated to drive the screw rod 20 to rotate, and the screw rod 20 is installed in the screw hole 19 in a threaded manner, so that the screw rod 20 can horizontally move while rotating, and then the hollow plate 18 rotationally connected with the screw rod 20 is driven to horizontally move, so that the hollow plate 18 is far away from the elbow body 2, and the sliding ring 12 can only horizontally move as the sliding ring 12 is slidably sleeved on the hollow column 10, so that the insertion strip 13 fixedly connected to the top of the sliding ring 12 can only horizontally move, and the insertion strip 13, the steel wire rope 22 and the hollow plate 18 are connected with each other, so that the insertion strip 13 and the sliding ring 12 can be pulled to move through the steel wire rope 22 along with the movement of the hollow plate 18 and the spring 14 is compressed, when the insertion strip 13 moves into the shell 9, the elbow body 2 is sleeved at the bottom of the conveying pipe 1, when the fixed ring 6 fixedly sleeved at the bottom of the conveying pipe 1 is in contact with the limiting block 23, when the handle 21 is loosened, the sliding ring 12 is pushed to move towards the direction away from the metal stop 11 due to the elastic force of the spring 14, and then the inserting strip 13 is driven to move, so that the inserting strip 13 is inserted into the accommodating groove 8, the elbow body 2 is fixed at the bottom end of the conveying pipeline 1, and the installation of the elbow body 2 is completed. The utility model has compact structure, reasonable design and convenient operation, can not only quickly install the elbow and improve the installation efficiency of the elbow, but also reduce the abrasion of the elbow by adopting the soft wear-resistant elbow due to high wear resistance, good rebound resilience and shock resistance.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A soft wear-resistant elbow for conveying materials with strong abrasiveness comprises a conveying pipe (1) and is characterized in that an elbow body (2) is movably sleeved at the bottom end of the conveying pipe (1), the elbow body (2) sequentially comprises a steel layer (3), a binder layer (4) and a composite polyester layer (5) from outside to inside, a fixing ring (6) is fixedly sleeved at the bottom end of the conveying pipe (1), a sealing ring (7) is fixedly sleeved on the fixing ring (6), the sealing ring (7) is matched with the elbow body (2), accommodating grooves (8) are formed in the left side and the right side of the fixing ring (6), the accommodating grooves (8) are located below the sealing ring (7), shells (9) are fixedly connected to the tops of two sides of the elbow body (2), one end of a hollow column (10) is fixedly connected to the inner wall of one side, close to the elbow body (2), of the shells (9), the other end fixedly connected with metal dog (11) of cavity post (10), and metal dog (11) fixed connection is on the bottom inner wall of shell (9), sliding sleeve is equipped with slip ring (12) on cavity post (10), the top fixedly connected with cutting (13) of slip ring (12), the one end that two cutting (13) are close to each other all extends to in elbow body (2), and respectively with two holding tank (8) looks adaptations, the equal fixedly connected with wire wheel (15) of both sides inner wall of shell (9), the left side inner wall fixedly connected with stopper (23) of elbow body (2).

2. The flexible wear-resistant elbow for conveying abrasive materials according to claim 1, wherein a spring (14) is fixedly connected between the sliding ring (12) and the metal stopper (11), and the spring (14) is movably sleeved on the hollow column (10).

3. The soft wear-resistant elbow for conveying the highly abrasive materials according to claim 1, wherein a storage groove (16) is formed in the inner wall of the top of the shell (9), a moving block (17) is slidably mounted in the storage groove (16), and a hollow plate (18) is fixedly connected to the bottom of the moving block (17).

4. The flexible wear-resistant elbow for solving the problem of conveying the abrasive materials according to claim 1, wherein one end of the insert (13) close to the sliding ring (12) is fixedly connected with one end of a steel wire rope (22), and the other end of the steel wire rope (22) is fixedly arranged on one side of the hollow plate (18) through two wire guide wheels (15).

5. The soft wear-resistant elbow for conveying the abrasive materials is characterized in that a screw hole (19) is formed in one side, away from the elbow body (2), of the shell (9), and a screw rod (20) is mounted in the screw hole (19) in a threaded mode.

6. The soft wear-resistant elbow for conveying the abrasive materials is characterized in that one end of the screw rod (20) is rotatably arranged at one side of the hollow plate (18), the other end of the screw rod (20) extends out of the shell (9), and a handle (21) is fixedly connected with the screw rod.