CN213627966U

CN213627966U - Cutting ring and concrete pumping equipment

Info

Publication number: CN213627966U
Application number: CN202022824254.9U
Authority: CN
Inventors: 巩书华; 何焘; 杜江; 张绍和; 肖金成; 董旭; 刘磊磊; 王文彬
Original assignee: Hunan Coal Geological Prospecting Institute; Central South University
Current assignee: Hunan Coal Geological Prospecting Institute; Central South University
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-06
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a cutting ring and concrete pumping equipment, this cutting ring include the ring base member, be equipped with the recess on the cutting plane of ring base member, match in the recess and install wear-resisting ring, the ring base member includes interior ring body and outer ring body, outer ring body matches the cover and establishes outside the interior ring body, the recess is located between interior ring body and the outer ring body, and its cross section is trapezoidal, outer ring body is formed by two semi-circular half outer ring body concatenations, wear-resisting ring is formed by two semi-circular half wear-resisting ring concatenations, half outer ring body passes through fastening screw fixed mounting and is in on the interior ring body. The problem of bursting apart can not appear when this cutting ring wear ring installs, and wear ring is difficult for droing.

Description

Cutting ring and concrete pumping equipment

Technical Field

The utility model belongs to the technical field of the concrete pumping, especially, relate to a cutting ring and concrete pumping equipment.

Background

The cutting ring is one of the important components of concrete pumping machine, and it and wear plate form cutting friction pair in the course of conveying concrete to continuously cut the concrete with high pressure. Therefore, the cutting ring is extremely susceptible to wear and failure. In order to prolong the service life of the cutting ring, in the prior patents such as CN201020666958.1, a groove is formed on the cutting surface of the ring body, and the wear-resistant ring is embedded in the groove, so as to achieve the purpose of enhancing the wear resistance and impact resistance of the ring. In addition, the wear-resisting ring is directly embedded in the groove, and the wear-resisting ring is easy to fall off from the groove in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cutting ring and concrete pumping equipment, the problem that bursts apart can not appear when this cutting ring wear ring installation, and wear ring is difficult for droing.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a cutting ring comprises a ring base body, wherein a groove is formed in a cutting surface of the ring base body, a wear-resistant ring is installed in the groove in a matching mode, the ring base body comprises an inner ring body and an outer ring body, the outer ring body is sleeved outside the inner ring body in a matching mode, the groove is located between the inner ring body and the outer ring body, and the cross section of the groove is trapezoidal;

the outer ring body is formed by splicing two semicircular semi-outer ring bodies, the wear-resisting ring is formed by splicing two semicircular semi-wear-resisting rings, and the semi-outer ring bodies are fixedly arranged on the inner ring body through fastening screws.

Specifically, an outer surfacing layer is arranged on the outer side wall of the outer ring body, and an inner surfacing layer is arranged on the inner side wall of the inner ring body.

Specifically, the top end surfaces of the outer surfacing layer, the inner surfacing layer and the wear-resistant ring are flush with the cutting surface.

Specifically, a plurality of fastening screws are uniformly distributed along the circumferential direction of the ring base body.

Specifically, the wear-resistant ring is a hard alloy ring or a diamond-impregnated ring.

The concrete pumping equipment comprises an S pipe and the cutting ring, wherein the cutting ring is assembled at the end part of the S pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the ring body includes interior ring member and outer ring member, and wear-resisting ring presss from both sides between interior ring member and outer ring member, can lock interior ring member and outer ring member through twisting fastening screw, and then firmly fix wear-resisting ring in the recess, and the cross section of recess is big end down's trapezoidal in addition, and based on the principle of wedge locking, wear-resisting ring can not deviate from in the recess.

2. Be equipped with interior build-up welding layer on the inside wall of inner ring body, be equipped with outer build-up welding layer on the lateral wall of outer ring body, the top face and the cutting plane parallel and level of outer build-up welding layer, interior build-up welding layer and wear ring can guarantee that cutting plane wearing and tearing are even in the cutting ring use, increase the wearing and tearing cycle to the life of extension cutting ring.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a cutting ring structure provided in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a cutting ring provided by an embodiment of the present invention;

wherein: 1-a ring matrix; 101-internal ring body; 102-outer ring body; 2-wear-resistant ring; 3-fastening screws; 4-inner surfacing layer; 5-outer weld overlay.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a cutting ring comprises a ring base body 1, a groove is formed in a cutting surface of the ring base body 1, a wear-resistant ring 2 is installed in the groove in a matched manner, the ring base body 1 comprises an inner ring body 101 and an outer ring body 102, the outer ring body 102 is sleeved outside the inner ring body 101 in a matched manner, the outer ring body 102 is formed by splicing two semicircular semi-outer ring bodies, the groove is formed between the inner ring body 101 and the outer ring body 102, the cross section of the groove is a right trapezoid with a small upper part and a large lower part, of course, the groove can also be an isosceles trapezoid, the wear-resistant ring 2 is formed by splicing two semicircular semi-wear-resistant rings, a fastening screw 3 is connected to the outer side wall of the outer ring body 102 in a threaded manner, the fastening screw 3 penetrates through the side wall of the outer ring body 102 and is screwed into a threaded hole of the.

In this embodiment, when the cutting ring is assembled, first, two half wear-resistant rings are installed in the annular groove on the outer side wall of the inner ring 101, then, the half outer ring 102 is sequentially sleeved outside the inner ring 101 to be spliced to form the outer ring 102, the fastening screws 3 are installed to enable the half outer ring 102 to be firmly fixed on the inner ring 101, the wear-resistant rings 2 are clamped and fixed between the outer ring 102 and the inner ring 101 by screwing the fastening screws 3, compared with interference press-fitting, the wear-resistant rings 2 are not prone to crack in the installation process, the cross section of the groove is in a trapezoid shape with a small top and a large bottom, and based on the principle of wedge-shaped locking, the wear-resistant rings 2 cannot.

Referring to fig. 2, because the cutting ring is usually used in cooperation with the glasses plate, the cutting surface between the cutting ring and the glasses plate is an annular contact surface, in order to prevent the cutting surface of the cutting ring and the glasses plate from generating an excessive gap in the working process to cause the outside air to enter the conveying pipeline, which affects the quality of the conveyed concrete, the matching tightness of the cutting surface after the cutting ring is connected with the glasses plate must be ensured, therefore, the inner sidewall of the inner ring body 101 is provided with the inner surfacing layer 4, the outer sidewall of the outer ring body 102 is provided with the outer surfacing layer 5, the top end surfaces of the outer surfacing layer 5, the inner surfacing layer 4 and the wear-resisting ring 2 are flush with the cutting surface, the wear of the cutting surface in the using process of the cutting ring can be ensured to be even.

In practical application, in order to firmly fix outer ring body 102 on inner ring body 101, fastening screw is along 1 circumferencial direction equipartition of ring body and arranges a plurality ofly, and fastening screw sets up six as in this application, and wear-resisting ring 2 can adopt carbide ring or impregnated diamond ring, and inner ring body 101 and outer ring body 102 can adopt alloy steel preparation. The outer overlaying layer 5 and the inner overlaying layer 4 can be made of iron-based, cobalt-based, alloy and other wear-resistant overlaying materials, the wear-resistant ring 2 can be made of a hard alloy ring or a diamond-impregnated ring, and the ring matrix 1 can be made of alloy steel.

The utility model also provides a concrete pumping equipment, including S pipe, cutting ring, the cutting ring assembles in the tip of S pipe, and the cutting ring is foretell cutting ring. Since the cutting ring has the technical effects, the concrete pumping equipment with the cutting ring also has the technical effects.

The above examples are merely illustrative of the present invention clearly and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Nor is it intended to be exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. The utility model provides a cutting ring, includes ring base member (1), be equipped with the recess on the cutting plane at ring base member (1) top, the matching installs wear ring (2), its characterized in that in the recess: the ring base body (1) comprises an inner ring body (101) and an outer ring body (102), the outer ring body (102) is sleeved outside the inner ring body (101) in a matching mode, the groove is located between the inner ring body (101) and the outer ring body (102), and the cross section of the groove is in a trapezoid shape with a small upper part and a large lower part;

the outer ring body (102) is formed by splicing two semicircular semi-outer ring bodies, the wear-resisting ring (2) is formed by splicing two semicircular semi-wear-resisting rings, and the semi-outer ring bodies are fixedly arranged on the inner ring body (101) through fastening screws (3).

2. The cutting ring of claim 1, wherein: an outer surfacing layer (5) is arranged on the outer side wall of the outer ring body (102), and an inner surfacing layer (4) is arranged on the inner side wall of the inner ring body (101).

3. The cutting ring of claim 2, wherein: the top end faces of the outer surfacing layer (5), the inner surfacing layer (4) and the wear-resisting ring (2) are flush with the cutting face.

4. The cutting ring according to any one of claims 1-3, wherein: the fastening screws (3) are uniformly distributed along the circumferential direction of the semi-outer ring body.

5. The cutting ring according to any one of claims 1-3, wherein: the wear-resistant ring (2) is a hard alloy ring or an impregnated diamond ring.

6. The cutting ring according to any one of claims 1-3, wherein: the cross section of the groove is in a right trapezoid shape.

7. Concrete pumping equipment comprising an S-pipe and a cutting ring fitted to the end of the S-pipe, characterized in that the cutting ring is a cutting ring according to any one of claims 1-6.