CN218934428U - Connection structure of development machine quartering hammer and development tooth - Google Patents

Abstract

The utility model relates to the technical field of heading machines, and aims to solve the problem that in the prior art, the replacement of a heading tooth and a breaking hammer is inconvenient due to welding or bolting, and provides a connection structure of the breaking hammer and the heading tooth of the heading machine, which comprises the breaking hammer and the heading tooth, wherein a breaking hammer connecting seat is arranged at the end part of the breaking hammer, a heading tooth connecting seat is arranged at the end part of the heading tooth, and the heading tooth connecting seat is connected with the breaking hammer connecting seat through a pin shaft; one end of the pin shaft is provided with an ear plate, a notch is formed in the ear plate, a limiting piece is arranged at the notch, the limiting piece is fixedly connected to the side face of the breaking hammer connecting seat, and the limiting piece is used for limiting rotation of the pin shaft; according to the utility model, the end parts of the breaking hammer and the tunneling tooth are respectively provided with the connecting seats, the breaking hammer and the tunneling tooth are connected through the pin shaft, the end part of the pin shaft is limited by the lug plate and the limiting piece, the tunneling tooth is reliably connected with the breaking hammer and is not easy to loosen, the structure is simple, and when the specification of the tunneling tooth needs to be replaced, the dismounting is convenient and the replacement is convenient.

Description

Connection structure of development machine quartering hammer and development tooth

Technical Field

The utility model relates to the technical field of heading machines, in particular to a connecting structure of a breaking hammer and a heading tooth of a heading machine.

Background

The heading machine is mainly applied to tunnel scenes and used for carrying out preliminary crushing on tunnel faces to finish preliminary excavation of tunnels, and then the tunnel walls are reinforced through subsequent engineering. However, due to different hardness of tunnel rocks in different areas, a plurality of tunneling teeth with different specifications, such as 1 tooth, 3 teeth, 5 teeth and the like, are configured for the development machine to improve the efficiency, wherein the tunneling teeth with the plurality of specifications are dominant in crushing efficiency and the working processes of material returning and slag removal. At present, the connection mode of the breaking hammer and the tunneling tooth comprises the following steps:

1. as shown in fig. 1, the tunneling tooth 2 and the breaking hammer 1 are of an integrated structure, and are connected by welding, so that the whole breaking hammer needs to be replaced when multiple teeth are needed, and the breaking hammer is inconvenient and high in cost.

2. As shown in fig. 2, the tunneling tooth 2 is connected with the breaking hammer 1 through a plurality of groups of bolts 6 and nuts 7, and the number of the bolts is large to ensure the connection strength. When there is a need for multiple teeth, the ripping teeth need to be replaced. However, when the tunneling teeth are replaced, the bolts are inconvenient to assemble and disassemble, and the bolts are easy to loosen under high-frequency vibration, so that the equipment fails.

Disclosure of Invention

The utility model aims to provide a connecting structure of a breaking hammer and a tunneling tooth of a heading machine, which aims to solve the problem that in the prior art, the replacement of the tunneling tooth and the breaking hammer is inconvenient due to the adoption of welding or bolt connection.

The utility model is realized by adopting the following technical scheme:

the utility model provides a connection structure of a breaking hammer and a tunneling tooth of a tunneling machine, which comprises a breaking hammer and a tunneling tooth, wherein a breaking hammer connection seat is arranged at the end part of the breaking hammer;

the one end of round pin axle is equipped with the otic placode, be equipped with the breach on the otic placode, the locating part is installed to breach department, locating part fixed connection in the side of quartering hammer connecting seat, the locating part is used for restricting the rotation of round pin axle.

According to the connecting structure, the connecting seats are respectively arranged at the end parts of the breaking hammer and the tunneling tooth, the breaking hammer and the tunneling tooth are connected through the pin shaft, the end part of the pin shaft is limited by the lug plate and the limiting piece, the tunneling tooth is reliably connected with the breaking hammer and is not easy to loosen, the structure is simple, and when the specification of the tunneling tooth needs to be changed, the dismounting is convenient and the replacement is convenient.

As a preferable technical scheme:

the tunneling tooth connecting seat and the breaking hammer connecting seat are provided with corresponding hinge holes, and the pin shaft penetrates through the tunneling tooth connecting seat and the hinge holes in the breaking hammer connecting seat.

As a preferable technical scheme:

the breaking hammer is characterized in that a socket is formed on the breaking hammer connecting seat, a plugboard is formed on the tunneling tooth connecting seat, the hinge hole is formed in the socket and the plugboard, and the plugboard is inserted into the socket for setting.

As a preferable technical scheme:

two symmetrically arranged sockets are formed on the breaking hammer connecting seat, two symmetrically arranged plugboards are formed on the tunneling tooth connecting seat, and the plugboards are inserted into the corresponding sockets.

As a preferable technical scheme:

at least two groups of hinge holes are formed in the breaking hammer connecting seat and the tunneling tooth connecting seat.

As a preferable technical scheme:

and a steel sleeve is arranged in the hinge hole on the tunneling tooth connecting seat.

As a preferable technical scheme:

the limiting piece comprises a baffle and a bolt fixedly mounted on the breaking hammer connecting seat, the baffle is attached to the outer side of the lug plate, and the bolt penetrates through the baffle to extend into the notch to be connected with the breaking hammer connecting seat.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

according to the connecting structure, the connecting seats are respectively arranged at the end parts of the breaking hammer and the tunneling tooth, the hinge holes are formed in the connecting seats, the pin shafts are arranged in the hinge holes, the connecting seats at the end parts of the breaking hammer and the tunneling tooth are connected together through the pin shafts, the pin shafts are limited through the lug plates and the limiting pieces, the tunneling tooth and the breaking hammer are reliably connected, looseness is not easy to occur, the structure is simple, and when the specification of the tunneling tooth needs to be replaced, the dismounting is convenient and the replacement is convenient.

Drawings

Fig. 1 is a schematic structural view of the prior art in which a tunneling tooth and a breaking hammer body are integrated.

Fig. 2 is a schematic structural view of a prior art connection between a tunneling tooth and a breaking hammer through bolts and nuts.

Fig. 3 is a schematic structural view of a connection structure of a breaking hammer and a tunneling tooth of the tunneling machine.

Fig. 4 is an exploded schematic view of a connection structure of a breaking hammer and a tunneling tooth of the tunneling machine.

Fig. 5 is a schematic structural view of the connection of the breaking hammer and the arm frame of the heading machine.

Icon: the device comprises a 1-breaking hammer, 2-tunneling teeth, a 3-breaking hammer connecting seat, a 31-socket, a 4-tunneling tooth connecting seat, a 41-plugboard, a 5-pin shaft, a 51-lug plate, a 6-bolt, a 7-nut, an 8-baffle, a 9-connecting rod, a 10-breaking hammer oil cylinder, an 11-forearm and a 12-rocker.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 3 and 4, the present embodiment provides a connection structure of a breaking hammer and a tunneling tooth of a tunneling machine, which includes a breaking hammer 1 and a tunneling tooth 2, wherein a breaking hammer connection seat 3 is provided at the front part of the breaking hammer 1, and a tunneling tooth connection seat 4 is provided at the rear part of the tunneling tooth 2.

Two symmetrically arranged sockets 31 are formed on the breaking hammer connecting seat 3, two symmetrically arranged plugboards 41 are formed on the tunneling tooth connecting seat 4, and the plugboards 41 are inserted into the corresponding sockets 31.

Corresponding hinge holes are formed in the socket 31 and the plugboard 41, pin shafts 5 are installed in the hinge holes, and the pin shafts 5 penetrate through the hinge holes in the socket 31 and the plugboard 41.

The one end of round pin axle 5 is equipped with otic placode 51, otic placode 51 with the outside of socket 31 is laminated mutually, be equipped with the breach on the otic placode 51, baffle 8 is installed to breach department, baffle 8 pass through bolt 6 fixed connection in the outside of socket 31, baffle 8 with the outside of otic placode 51 is laminated mutually, bolt 6 passes otic placode 51 stretches into in the breach, connect on the socket 31, thereby restrict the rotation of round pin axle 5. The other end of the pin shaft 5 is provided with external threads, and after the end passes through each hinge hole, the pin shaft 5 is locked and fixed through a nut.

In this embodiment, the socket 31 and the plug board 41 are provided with two groups of hinge holes, and each group of hinge holes is provided with one pin 5. In the actual installation process, the breaking hammer 1 and the tunneling tooth 2 can be connected together through at least two pin shafts 5 without being strictly limited to two groups of hinge holes.

In this embodiment, a steel sleeve is disposed in the hinge hole on the tunneling tooth connecting seat 4, so as to reduce deformation of the hinge hole and prolong the service life of the tunneling tooth 2.

According to the utility model, the tunneling tooth connecting seat 4 is connected with the breaking hammer connecting seat 3 through the pin shaft 5, the structure is simple, the tunneling tooth 2 is reliably connected with the breaking hammer 1, the loosening is difficult, and when the specification of the tunneling tooth 2 needs to be replaced, the dismounting is convenient and the replacement is convenient.

The two pin shafts 5 realize the limit of axial movement displacement and rotation displacement through the lug plate 51, the breaking hammer connecting seat 3 and the baffle plate 8, and a gap of 3mm is respectively arranged in the axial direction and the rotation direction, so that the degree of freedom is released, and the pin shafts 5 are prevented from being blocked.

As shown in fig. 5, the breaking hammer 1 is connected with one end of an oil cylinder of the breaking hammer 1 through a connecting rod 9, the other end of the oil cylinder of the breaking hammer 1 is connected to a small arm 11, the small arm 11 is connected with the connecting rod 9 through a rocker 12, and the connecting rod 9, the oil cylinder of the breaking hammer 1 and the rocker 12 are hinged at the same point.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a connection structure of entry driving machine quartering hammer and tunneling tooth which characterized in that:

the device comprises a breaking hammer and tunneling teeth, wherein a breaking hammer connecting seat is arranged at the end part of the breaking hammer, a tunneling tooth connecting seat is arranged at the end part of the tunneling teeth, and the tunneling tooth connecting seat is connected with the breaking hammer connecting seat through a pin shaft;

the one end of round pin axle is equipped with the otic placode, be equipped with the breach on the otic placode, the locating part is installed to breach department, locating part fixed connection in the side of quartering hammer connecting seat, the locating part is used for restricting the rotation of round pin axle.

2. The connection structure of the breaker of the heading machine and the heading teeth according to claim 1, characterized in that:

the tunneling tooth connecting seat and the breaking hammer connecting seat are provided with corresponding hinge holes, and the pin shaft penetrates through the tunneling tooth connecting seat and the hinge holes in the breaking hammer connecting seat.

3. The connection structure of the heading machine breaking hammer and the heading tooth according to claim 2, characterized in that:

the breaking hammer is characterized in that a socket is formed on the breaking hammer connecting seat, a plugboard is formed on the tunneling tooth connecting seat, the hinge hole is formed in the socket and the plugboard, and the plugboard is inserted into the socket for setting.

4. A connection structure of a breaker and a ripper tooth of a ripper according to claim 3, wherein:

two symmetrically arranged sockets are formed on the breaking hammer connecting seat, two symmetrically arranged plugboards are formed on the tunneling tooth connecting seat, and the plugboards are inserted into the corresponding sockets.

5. The connection structure of the heading machine breaking hammer and the heading tooth according to claim 2, characterized in that:

at least two groups of hinge holes are formed in the breaking hammer connecting seat and the tunneling tooth connecting seat.

6. The connection structure of the breaker of the heading machine and the heading teeth according to any one of claims 2-5, characterized in that:

and a steel sleeve is arranged in the hinge hole on the tunneling tooth connecting seat.

7. The connection structure of the breaker of the heading machine and the heading teeth according to claim 6, characterized in that:

the limiting piece comprises a baffle and a bolt fixedly mounted on the breaking hammer connecting seat, the baffle is attached to the outer side of the lug plate, and the bolt penetrates through the baffle to extend into the notch to be connected with the breaking hammer connecting seat.

Images