CN217923833U

CN217923833U - Tunneling tooth

Info

Publication number: CN217923833U
Application number: CN202221997560.5U
Authority: CN
Inventors: 兰冰; 邱章令; 朱孝荣; 刘刚
Original assignee: Sichuan Lanhai Intelligent Equipment Manufacturing Co Ltd
Current assignee: Sichuan Lanhai Intelligent Equipment Manufacturing Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-29
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a tunnelling tooth that is used for destroying rock in the tunnelling equipment field, be in with the setting including the base that is used for supporting main tooth and the vice tooth that is used for destroying the rock on the base, vice tooth is located at least one side of main tooth, highly being less than of vice tooth main tooth. When a softer rock stratum is tunneled, the main tooth is higher than the auxiliary tooth, so that rocks are dug in advance through the main tooth, and the auxiliary tooth follows up subsequently, so that the rocks are decomposed, and large rocks fall off. Of course, the secondary teeth may be mounted on the base plate by means of a detachable connection, and when hard rock is encountered, the secondary teeth are removed, directly destroying the rock by means of the primary teeth. From this, the utility model provides the high tunnelling efficiency of tunnelling tooth.

Description

Tunneling tooth

Technical Field

The utility model belongs to the heading equipment field especially relates to a driving tooth.

Background

The high-frequency breaking hammer changes the piston impact type breaking principle, is a novel excavator accessory product which is driven by a motor and generates destructive force by utilizing the up-and-down reciprocating motion of centrifugal force, and is physical breaking equipment integrating mechanical hydraulics, digital signals and digital monitoring. The cutter teeth of the high-frequency breaking hammer can impact an object (a target broken object) under the action of the vibration exciter, and then the object is broken. The high-frequency breaking hammer is characterized in that hydraulic energy of an excavator is transmitted to a hydraulic motor to drive an eccentric gear in a vibration box to rotate, so that centrifugal force is generated, the force of the vertical component of the high-frequency breaking hammer is changed periodically, the shaft generates radial forced vibration pressure, namely exciting force, and then vibration is transmitted to bucket teeth by a box body of a vibration exciter to carry out breaking operation.

In the prior art, the tunneling efficiency of the tunneling teeth of a single bucket tooth is low. Therefore, how to improve the tunneling efficiency of the tunneling tooth is a technical problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tunneling tooth is in order to solve prior art: the tunneling efficiency of the tunneling teeth is low.

In order to achieve the above purpose, the specific technical solution of the present invention is as follows:

a kind of tunnelling tooth, including the base installed on breaking hammer and main tooth and auxiliary tooth set up on the said base, the said auxiliary tooth locates at one side of the said main tooth at least, the height of the said auxiliary tooth is lower than the said main tooth.

Preferably, the secondary teeth are detachably arranged on the base.

Preferably, the main teeth and the auxiliary teeth comprise connecting plates with bottom ends arranged on the bases and bucket teeth with bottom ends arranged on the top ends of the connecting plates.

Preferably, the top of connecting plate is provided with the inserted block, open the bottom of bucket tooth have cross-sectional profile with the slot that the inserted block matches, the bucket tooth passes through bucket tooth round pin the slot with insert the inserted block setting of slot is in on the connecting plate.

Preferably, the areas of the end surfaces of the cross sections of the bucket teeth and the connecting plate are gradually reduced towards the direction away from the base.

Preferably, the length of the connecting plate of the main tooth is greater than that of the connecting plate of the auxiliary tooth; the bucket tooth structure of the main tooth is the same as that of the auxiliary tooth.

Preferably, at least one side of the connecting plate is provided with an auxiliary tooth, and the auxiliary tooth is used for assisting the bucket tooth to expand a tunneling split; the auxiliary teeth are perpendicular to the side face of the connecting plate.

Preferably, a first reinforcing rib is arranged between the connecting plate of the main tooth and the connecting plate of the auxiliary tooth, and a second reinforcing rib and a third reinforcing rib are arranged between the connecting plate and the base.

Preferably, the base is fixedly provided with a plurality of pairs of fixing plates, each pair of fixing plates are respectively positioned at two sides of the connecting plate of the auxiliary tooth, and a containing space with the cross section contour matched with that of the connecting plate is formed between each pair of fixing plates and is connected with the connecting plate of the auxiliary tooth through a detachable connecting piece.

Preferably, can dismantle the connecting piece and be provided with the round pin axle of split pin for both ends, the connecting plate of vice tooth with be provided with the shaft hole that corresponds on the fixed plate, the shaft hole is non-collinear distribution, the round pin axle is used for passing the shaft hole to it will through insert the split pin above that the connecting plate of vice tooth can be dismantled and be connected on the fixed plate.

The utility model discloses a tunneling tooth has following effect: the tunneling efficiency of the tunneling teeth is high.

Drawings

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

fig. 2 is a schematic diagram of a specific structure of the reinforcing component of the present invention:

fig. 3 is a schematic structural diagram of a fixing plate according to the present invention;

fig. 4 is a side view of the present invention;

fig. 5 is a concrete structural schematic diagram of the bucket tooth of the present invention:

fig. 6 is a cross-sectional view of the bucket tooth of the present invention;

fig. 7 is another preferred embodiment of the present invention;

description of the reference numerals: 1. a base; 2. a main gear; 3. secondary teeth; 4. a bucket tooth; 5. a connecting plate; 6. auxiliary teeth; 7. a first reinforcing rib; 8. a second reinforcing rib; 9. a third reinforcing rib; 10. a fixing plate; 11. an accommodating space; 12. inserting a block; 13. a slot; 14. a pin shaft; 15. and a cotter pin.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the technical solution of the present invention will be further described by the following embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for the convenience of description, only some but not all of the components related to the present invention are shown in the drawings. In the present invention, the terms of orientation such as "upper", "lower", "left", "right", "inside" and "outside" are used without any description to the contrary, and these terms of orientation are used for convenience of understanding, and thus do not limit the scope of the present invention.

The utility model discloses a tunneling tooth, be in including base 1 and the setting that is used for the support main tooth 2 and the vice tooth 3 that are used for destroying the rock on the base 1, vice tooth 3 is located at least one side of main tooth 2, highly being less than of vice tooth 3 main tooth 2. When a softer rock stratum is tunneled, the main teeth 2 are higher than the auxiliary teeth 3, so that rocks are dug in advance through the main teeth 2, and the auxiliary teeth 3 follow up subsequently, so that the rocks are decomposed, large rocks fall off, and the tunneling efficiency is improved.

Specifically, as shown in fig. 1 to 7, the base 1 is mounted on a breaking hammer of a heading machine, the base 1 is rectangular plate-shaped, and the base 1 is provided with a main tooth 2 and an auxiliary tooth 3 for breaking rock and a reinforcing component for increasing the strength and rigidity of the heading tooth.

As shown in fig. 1 to 7, the main tooth 2 is disposed at the center of the base 1, the auxiliary teeth 3 are disposed at two sides of the main tooth 2 in the horizontal direction, the height of the auxiliary teeth 3 after being disposed is lower than that of the main tooth 2, and the main tooth 2 and the auxiliary teeth 3 may be obliquely disposed on the base 1 or vertically disposed on the base 1; the main teeth 2 and the auxiliary teeth 3 can be arranged on the bottom plate in a mutually staggered mode, or can be arranged on the base 1 in a mutually side-by-side mode; most preferably, the primary teeth 2 and the secondary teeth 3 are arranged vertically and side by side with each other on the bottom plate for better rock destruction. Of course, the number of the auxiliary teeth 3 is at least 1, and most preferably, 1 to 2 auxiliary teeth 3 are respectively arranged on two horizontal sides of the main tooth 2, so that the space occupancy rate is reduced, and the tunneling efficiency is not reduced. Wherein, main tooth 2 with vice tooth 3 all includes that the bottom sets up connecting plate 5 and bottom on the base 1 set up bucket tooth 4 on the connecting plate 5 top, connecting plate 5 is used for quick replacement bucket tooth 4. The area of the end faces of the cross sections of the bucket teeth 4 and the connecting plate 5 is gradually reduced towards the direction far away from the base 1, the area of the end face of the top end of the bucket tooth 4 is smaller than that of the end face of the bottom face of the connecting plate 5, and the damage efficiency of the bucket tooth to rocks is improved through a pressure principle. An auxiliary tooth 6 for increasing the strength of the connecting plate 5 and assisting the bucket tooth 4 in expanding the gap is arranged on one side of the connecting plate 5, and the auxiliary tooth 6 is arranged perpendicular to the side surface of the connecting plate 5 and used for improving the damage efficiency of rocks; the auxiliary teeth 6 may be triangular plates made of a hard material, which are located on both sides of the connecting plate 5 and are arranged along the axial direction of the connecting plate 5. The length of the connecting plate 5 of the main tooth 2 is greater than that of the connecting plate 5 of the auxiliary tooth 3, the bucket teeth 4 of the main tooth 2 and the auxiliary tooth 3 are kept in the same structure, and the bucket teeth 4 are rapidly replaced while the height of the auxiliary tooth 3 after being arranged is lower than that of the main tooth 2; it should be noted that the reason why the lengths of the connecting plates 5 of the main tooth 2 and the auxiliary tooth 3 are different from the lengths of the bucket teeth 4 of the main tooth 2 and the auxiliary tooth 3 is that, in actual use, the bucket teeth 4 are more easily damaged and replaced more frequently, and the bucket teeth 4 are kept in the same structure, so that the production and the manufacture are more convenient and the cost is saved.

The reinforcing assembly comprises a first reinforcing rib 7 arranged between a connecting plate 5 of the main tooth 2 and a connecting plate 5 of the auxiliary tooth 3, a second reinforcing rib 8 and a third reinforcing rib 9 arranged between the connecting plate 5 and the base 1, wherein the third reinforcing rib 9 is positioned above the connecting plate 5 and used for enhancing the strength and rigidity of the tunneling tooth, so that the tunneling efficiency is improved. Of course, the first bead 7 and the third bead 9 may be provided with openings for discharging broken stones.

As a preferable scheme for arranging the secondary tooth 3 on the base 1, as shown in fig. 1 to 6, the secondary tooth 3 is detachably arranged on the base 1, a plurality of pairs of fixing plates 10 are fixedly arranged on the base 1, each pair of fixing plates 10 is respectively arranged at two sides of the connecting plate 5 of the secondary tooth 3, and a receiving space 11 with a cross-sectional profile matching with that of the connecting plate 5 is formed between each pair of fixing plates 10 and is connected with the connecting plate 5 of the secondary tooth 3 through a detachable connecting piece; the first reinforcing rib 7 is welded between a fixing plate 10 close to a connecting plate 5 of the main tooth 2 and the connecting plate 5 of the main tooth 2, the second reinforcing rib 8 is welded between the fixing plate 10 far away from the connecting plate 5 of the main tooth 2 and the base 1, and the third reinforcing rib 9 is welded between the fixing plate 10 and the base plate and positioned above the fixing plate 10. The detachable connecting piece can be a pin shaft 14 with split pins 15 at two ends, or a combination of a bolt and a nut; most preferably, the pin 14 is provided with a cotter 15 at both ends, as shown in fig. 4, the connecting plate 5 of the secondary tooth 3 and the fixing plate 10 are provided with corresponding shaft holes which are non-collinearly distributed, and the pin 14 is used for passing through the shaft holes and detachably connecting the connecting plate 5 of the secondary tooth 3 to the fixing plate 10 by inserting cotter pins thereon. When the auxiliary gear needs to be disassembled, the cotter 15 is firstly removed by using pliers, and then the pin shaft 14 is knocked down by using a sledge hammer, so that the auxiliary gear 3 can be removed.

When the optimal scheme is used, if a softer rock stratum is met, the auxiliary teeth 3 are installed on the bottom plate through the detachable connecting piece, the main teeth 2 are higher than the auxiliary teeth 3, so that the main teeth 2 enter the rock firstly, and then the auxiliary teeth 3 continuously break down the rock; if hard rock stratum is met, the detachable connecting piece is taken down, the auxiliary teeth 3 are detached, and the main teeth 2 directly damage the rock, so that the rock with different hardness is damaged and decomposed, and the tunneling efficiency is improved.

As another preferable mode of arranging the secondary teeth 3 on the base 1, as shown in fig. 7, the secondary teeth 3 are fixedly arranged on the base 1. Specifically, the connecting plate 5 of the auxiliary tooth 3 is welded on the base 1, the first reinforcing rib 7 is welded between the connecting plate 5 of the main tooth 2 and the connecting plate 5 of the auxiliary tooth 3, the second reinforcing rib 8 is welded between the connecting plate 5 and the base 1 and is located below the connecting plate 5, and the third reinforcing rib 9 is welded between the connecting plate 5 and the base 1 and is located above the connecting plate 5.

When the optimal scheme is used, the main teeth 2 are higher than the auxiliary teeth 3, so that the main teeth 2 enter rocks firstly, and the auxiliary teeth 3 continuously decompose the rocks later, so that the tunneling efficiency is still improved compared with the prior art;

as a preferred scheme that the bucket tooth 4 is arranged on the connecting plate 5, as shown in fig. 5 to 6, an insertion block 12 is arranged at the top end of the connecting plate 5, a slot 13 with a cross-sectional profile matched with that of the insertion block 12 is formed in the bottom end of the bucket tooth 4, the bucket tooth 4 passes through the slot 13 and the insertion block 12 inserted into the slot 13 through a bucket tooth pin, so that the bucket tooth 4 can be detachably arranged on the connecting plate 5, and the bucket tooth 4 can be rapidly replaced.

As another kind bucket tooth 4 sets up preferred scheme on the connecting plate 5, open on the top of connecting plate 5 has the internal thread hole, the bottom of bucket tooth 4 is provided with the arch of external screw thread, through the external screw thread arch with internal thread hole screw-thread fit realizes that bucket tooth 4 can dismantle the setting and is in on the connecting plate 5, the quick replacement of being convenient for bucket tooth 4.

When using, because be provided with vice tooth 3 on the bottom plate 1, just main tooth 2 is higher than vice tooth 3, so 2 advance into rocks of main tooth, vice tooth 3 can last more advance afterwards decomposes the rock, is convenient for be suitable for the operating mode demand of different hardness rocks, can dismantle if the bucket tooth damages the bucket tooth is changed.

Therefore, the utility model discloses a set up vice tooth 3 in one side of owner tooth 2 to make owner tooth 2 be higher than vice tooth 3 realizes thereby being suitable for the operating mode demand improvement tunnelling efficiency of different hardness rocks.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. A kind of tunneling tooth, characterized by: including installing base (1) on the quartering hammer and setting up main tooth (2) and vice tooth (3) on base (1), vice tooth (3) are located at least one side of main tooth (2), vice tooth (3) height is less than main tooth (2).

2. A ripping tooth as defined in claim 1, wherein: the auxiliary teeth (3) are detachably arranged on the base (1).

3. A ripping tooth as claimed in claim 1 or claim 2, wherein: the main gear (2) and the auxiliary gear (3) comprise connecting plates (5) arranged on the base (1) and bucket gears (4) arranged on the top ends of the connecting plates (5) and arranged at the bottom ends.

4. A ripping tooth as defined in claim 3, wherein: the top of connecting plate (5) is provided with inserted block (12), open the bottom of bucket tooth (4) have cross-sectional profile with inserted block (12) matched slot (13), bucket tooth (4) pass through bucket tooth round pin slot (13) with insert slot (13) inserted block (12) set up on connecting plate (5).

5. A ripping tooth as defined in claim 3, wherein: the cross sectional areas of the bucket teeth (4) and the connecting plate (5) are gradually reduced towards the direction away from the base (1).

6. A ripping tooth as defined in claim 3, wherein: the length of the connecting plate (5) of the main tooth (2) is greater than that of the connecting plate (5) of the auxiliary tooth (3);

the bucket teeth (4) of the main teeth (2) and the auxiliary teeth (3) are identical in structure.

7. A ripping tooth as defined in claim 3, wherein: at least one side of the connecting plate (5) is provided with an auxiliary tooth (6), and the auxiliary tooth (6) is used for increasing the strength of the connecting plate (5) and assisting the bucket tooth (4) to expand a tunneling split; the auxiliary teeth (6) are perpendicular to the side face of the connecting plate (5).

8. A ripping tooth as defined in claim 3, wherein: a first reinforcing rib (7) is arranged between the connecting plate (5) of the main tooth (2) and the connecting plate (5) of the auxiliary tooth (3), and a second reinforcing rib (8) and a third reinforcing rib (9) are arranged between the connecting plate (5) and the base (1).

9. A ripping tooth as defined in claim 3, wherein: the base (1) is fixedly provided with a plurality of pairs of fixing plates (10), each pair of fixing plates (10) are respectively positioned at two sides of the connecting plate (5) of the auxiliary tooth (3), and a containing space (11) with a cross section profile matched with that of the connecting plate (5) is formed between each pair of fixing plates (10) and is connected with the connecting plate (5) of the auxiliary tooth (3) through a detachable connecting piece.

10. A ripping tooth as defined in claim 9, wherein: can dismantle connecting piece is round pin axle (14) that both ends were provided with the split pin, connecting plate (5) of vice tooth (3) with be provided with the corresponding shaft hole on fixed plate (10), the shaft hole is non-collinear distribution, round pin axle (14) are used for passing the shaft hole to it will through insert the split pin on it connecting plate (5) of vice tooth (3) can be dismantled and connect on fixed plate (10).