Anti-abrasion type heading machine bucket tooth

Abstract

The utility model discloses an anti-abrasion type heading machine bucket tooth which comprises a bucket tooth body and a buffering anti-abrasion assembly, and a containing groove is formed in the inclined position of the upper end of the bucket tooth body. The buffering and abrasion-proof assembly comprises a plurality of elastic pieces arranged in the containing groove, a buffering plate arranged at the upper ends of the elastic pieces, and an abrasion-proof plate arranged at the upper end of the buffering plate, wherein the outer wall of the buffering plate is attached to the inner wall of the containing groove. According to the anti-abrasion type heading machine bucket tooth, the bucket tooth is subjected to buffering protection through the elastic piece and the buffering plate which are arranged in the containing groove in the upper end of the bucket tooth, collision and collision borne by the bucket tooth are reduced, the bucket tooth is subjected to anti-abrasion protection through the anti-abrasion plate arranged on the buffering plate, and therefore the service life of the bucket tooth is effectively prolonged; and meanwhile, the anti-abrasion plate is installed at the upper end of the buffer plate under the action of the bolts, and when the anti-abrasion plate is damaged in the later period, an operator can disassemble, assemble and replace the anti-abrasion plate by taking down the bolts.

Description

Technical Field

[0001] The utility model relates to the technical field of tunneling machines, in particular to a wear-resistant tunneling machine bucket tooth. Background Art

[0002] A roadheader is a machine used to dig tunnels under flat ground. According to the working object, it can be divided into ordinary machines and tunnel boring machines, and according to the working method, it can be divided into open-type roadheaders and shield-type roadheaders.

[0003] Most existing bucket teeth on tunnel boring machines are not equipped with buffer components. When in use, the bucket teeth are easily worn and damaged due to collisions and impacts, which reduces the service life of the bucket teeth. For this reason, we propose an anti-wear tunnel boring machine bucket tooth. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems and / or the problems existing in the existing wear-resistant bucket teeth of tunnel boring machines, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a wear-resistant tunneling machine bucket tooth, which provides buffering protection for the bucket tooth by means of elastic parts and buffer plates arranged in the grooves at the upper ends of the bucket teeth, thereby reducing the collision impact on the bucket teeth, and providing wear-resistant protection for the bucket teeth by means of the wear-resistant plates arranged on the buffer plates, thereby effectively extending the service life of the bucket teeth. At the same time, the wear-resistant plates are installed on the upper ends of the buffer plates under the action of bolts. When the wear-resistant plates are damaged at a later stage, the operator can remove the bolts to disassemble and replace the wear-resistant plates.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A wear-resistant tunnel boring machine bucket tooth, comprising:

[0009] The bucket tooth body has a placement groove at the upper inclined portion thereof;

[0010] A buffer and anti-wear assembly, comprising a plurality of elastic members arranged in the placement groove, a buffer plate arranged at the upper end of the elastic members and having an outer wall in contact with the inner wall of the placement groove, and an anti-wear plate arranged at the upper end of the buffer plate;

[0011] As a preferred solution of the wear-resistant tunneling machine bucket tooth described in the utility model, the bucket tooth body is provided with a slot away from the inclined end, and a connecting bolt is provided on one side of the upper end of the bucket tooth body, and the connecting bolt passes through the bucket tooth body.

[0012] As a preferred solution of the wear-resistant tunnel boring machine bucket tooth described in the utility model, a base is provided at the bottom of the bucket tooth body, and a plurality of bases are evenly and equidistantly arranged.

[0013] As a preferred solution of the wear-resistant tunneling machine bucket tooth described in the utility model, a threaded column is fixed to the upper end of the base, a threaded hole is opened at the bottom of the bucket tooth body, and the base is threadedly connected to the bucket tooth body.

[0014] As a preferred solution of the wear-resistant tunnel boring machine bucket tooth described in the utility model, the elastic member is a spring or an elastic sleeve.

[0015] As a preferred solution of the wear-resistant tunnel boring machine bucket tooth described in the utility model, bolts are arranged on the wear-resistant plate, and the bolts penetrate through the wear-resistant plate to the buffer plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects: this type of wear-resistant tunneling machine bucket tooth provides buffering protection for the bucket tooth through the elastic parts and buffer plates arranged in the placement groove at the upper end of the bucket tooth, thereby reducing the collision and impact on the bucket tooth, and provides wear-resistant protection for the bucket tooth through the wear-resistant plate arranged on the buffer plate, thereby effectively extending the service life of the bucket tooth, and at the same time, the wear-resistant plate is installed on the upper end of the buffer plate under the action of bolts. When the wear-resistant plate is damaged in the later stage, the operator can remove the bolts to disassemble and replace the wear-resistant plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of a wear-resistant tunnel boring machine bucket tooth;

[0019] Figure 2 This is a schematic diagram of the cutaway three-dimensional structure of a wear-resistant tunnel boring machine bucket tooth;

[0020] Figure 3 A wear-resistant bucket tooth for tunnel boring machine Figure 2 A schematic diagram of the partially enlarged structure at center A;

[0021] In the figure: 100, bucket tooth body; 101, placement groove; 102, slot; 103, connecting bolt; 104, base; 105, threaded column; 200, buffer and anti-wear assembly; 210, elastic member; 220, buffer plate; 230, anti-wear plate. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0024] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] The utility model provides a wear-resistant tunneling machine bucket tooth, which performs buffering protection on the bucket tooth by means of elastic parts and buffer plates arranged in a placement groove at the upper end of the bucket tooth, thereby reducing collision impact on the bucket tooth, and performs wear-resistant protection on the bucket tooth by means of a wear-resistant plate arranged on the buffer plate, thereby effectively extending the service life of the bucket tooth, and at the same time, the wear-resistant plate is installed on the upper end of the buffer plate under the action of bolts, and when the wear-resistant plate is damaged at a later stage, the operator can remove the bolts to disassemble and replace the wear-resistant plate.

[0026] Figure 1-Figure 3 The structure diagram of an embodiment of a wear-resistant bucket tooth of a tunnel boring machine according to the present invention is shown in FIG. Figure 1-Figure 3 In this embodiment, a wear-resistant bucket tooth for a tunnel boring machine is provided, and its main body includes a bucket tooth body 100 and a buffer and wear-resistant component 200 .

[0027] A placement groove 101 is provided at the inclined portion of the upper end of the bucket tooth body 100. Preferably, in the present embodiment, a slot 102 is provided on the bucket tooth body 100 away from the inclined end, and a connecting bolt 103 is provided on one side of the upper end of the bucket tooth body 100. The connecting bolt 103 penetrates the bucket tooth body 100. The bucket tooth body 100 is installed on the tooth seat of the tunnel boring machine through the connecting bolt 103 under the action of the slot 102. The operator can remove the connecting bolt 103 to remove the bucket tooth body 100 from the tooth seat in the later stage, so as to disassemble and replace the bucket tooth body 100. A base 104 is provided at the bottom of the bucket tooth body 100, and a plurality of bases 104 are evenly and equidistantly arranged on the bucket tooth body 100. 00 The base 104 at the bottom protects the bucket tooth body 100 and prevents the bucket tooth body 100 from direct contact with the ground and wear when placed, effectively extending the service life of the bucket tooth body 100. A threaded column 105 is fixed to the upper end of the base 104, and a threaded hole is provided at the bottom of the bucket tooth body 100. The base 104 is threadedly connected to the bucket tooth body 100. The base 104 is installed at the lower end of the bucket tooth body 100 under the action of the threaded column 105 and the threaded hole. When the base 104 is damaged at a later time, the operator can remove the base 104 from the lower end of the bucket tooth body 100 to disassemble and replace the base 104.

[0028] The buffer and anti-wear assembly 200 includes a plurality of elastic members 210 disposed in the placement groove 101, a buffer plate 220 disposed at the upper end of the elastic members 210 and having an outer wall in contact with the inner wall of the placement groove 101, and an anti-wear plate 230 disposed at the upper end of the buffer plate 220. Preferably, in this embodiment, bolts are disposed on the anti-wear plate 230, the bolts penetrate the anti-wear plate 230 to the buffer plate 220, and the anti-wear plate 230 is installed at the upper end of the buffer plate 220 under the action of the bolts. When the anti-wear plate 230 is damaged later, the operator can remove the bolts to disassemble and replace the anti-wear plate 230.

[0029] Combination Figure 1-Figure 3The anti-wear type bucket tooth of a tunnel boring machine of the present embodiment is specifically used as follows: the bucket tooth body 100 is installed on the tooth seat of the tunnel boring machine under the action of the slot 102 and the connecting bolt 103. When the bucket tooth body 100 is in use, the elastic member 210 and the buffer plate 220 arranged in the placement slot 101 of the bucket tooth body 100 play a buffering role on the bucket tooth body 100, thereby reducing the collision and impact of the bucket tooth body 100. At the same time, the anti-wear plate 230 arranged on the buffer plate 220 protects the bucket tooth body 100 from wear, thereby effectively extending the service life of the bucket tooth body 100. A plurality of bases 104 are evenly arranged at the bottom of the bucket tooth body 100, and the base 104 is arranged. 04 plays a protective role on the bucket tooth body 100, preventing the bucket tooth body 100 from direct contact with the ground and wear when placed, thereby further reducing the wear of the bucket tooth body 100 and further extending the service life of the bucket tooth body 100. The base 104 is installed at the lower end of the bucket tooth body 100 under the action of the threaded column 105. When the base 104 is damaged later, the operator can remove the base 104 from the lower end of the bucket tooth body 100 to disassemble and replace the base 104. The anti-wear plate 230 is installed on the upper end of the buffer plate 220 under the action of bolts. When the anti-wear plate 230 is damaged later, the operator can remove the bolts to disassemble and replace the anti-wear plate 230.

[0030] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A wear-resistant tunnel boring machine bucket tooth, characterized in that: include: The bucket tooth body (100) has a placement groove (101) formed at the inclined portion of the upper end thereof; The buffer and anti-wear assembly (200) comprises a plurality of elastic members (210) arranged in the placement groove (101), a buffer plate (220) arranged at the upper end of the elastic members (210) and having an outer wall in contact with the inner wall of the placement groove (101), and an anti-wear plate (230) arranged at the upper end of the buffer plate (220).

2. The wear-resistant bucket tooth of a tunnel boring machine according to claim 1, characterized in that: The bucket tooth body (100) is provided with a slot (102) away from the inclined end, and a connecting bolt (103) is provided on one side of the upper end of the bucket tooth body (100), and the connecting bolt (103) passes through the bucket tooth body (100).

3. The wear-resistant bucket tooth of a tunnel boring machine according to claim 1, characterized in that: A base (104) is provided at the bottom of the bucket tooth body (100), and a plurality of bases (104) are evenly and equidistantly arranged.

4. The wear-resistant bucket tooth for tunnel boring machine according to claim 3, characterized in that: A threaded column (105) is fixed to the upper end of the base (104), a threaded hole is provided at the bottom of the bucket tooth body (100), and the base (104) is threadedly connected to the bucket tooth body (100).

5. The wear-resistant bucket tooth for tunnel boring machine according to claim 1, characterized in that: The elastic member (210) is a spring or an elastic sleeve.

6. The wear-resistant bucket tooth for tunnel boring machine according to claim 1, characterized in that: The anti-wear plate (230) is provided with bolts, and the bolts penetrate through the anti-wear plate (230) to the buffer plate (220).

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