CN114985057A

CN114985057A - Building stone smashing device

Info

Publication number: CN114985057A
Application number: CN202210838466.3A
Authority: CN
Inventors: 颜进辉
Original assignee: Xuzhou Baoheng Intelligent Technology Co ltd
Current assignee: Xuzhou Baoheng Intelligent Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-09-02

Abstract

The invention relates to the technical field of stone crushing. The invention discloses a building stone crushing device, which comprises: the protective assembly comprises a shell and a feeding port arranged on one side of the top of the shell, a striking assembly is arranged in the shell opposite to the feeding port, and a first counterattack plate and a second counterattack plate are further arranged in the shell; the beating assembly comprises a driving shaft, the two ends of the driving shaft are connected with the shell, a wear-resistant guard plate is arranged on the driving shaft, an insertion groove is formed in the wear-resistant guard plate, a first pit is formed in the side wall of the insertion groove, and an opening of the insertion groove is provided with an open groove. According to the invention, the hitting assembly is subjected to modular design, the parts are convenient to produce, and the parts are convenient to mount, dismount and replace, so that the working strength and the working time are saved, and the potential safety hazard is reduced.

Description

Building stone smashing device

Technical Field

The invention relates to the technical field of stone crushing, in particular to a building stone crushing device.

Background

The existing stone material is crushed by multi-purpose impact crusher, which is a device that makes a rotor turntable drive a plate hammer to impact the material by making a rotating shaft rotate at a high speed. The rotor rotates at a high speed, when the materials enter the plate hammer action area, the materials are collided and crushed with the plate hammer on the rotor, then the materials are thrown to the impact lining plate to be crushed again, then the materials rebound to the plate hammer action area from the impact lining plate to be crushed again, the process is repeated until the materials are crushed to the required granularity, and the materials are discharged from the discharge hole.

In practical application, hit and to play the piece and mostly be the integral type structure, its volume is great, need utilize large-scale hoisting equipment to hoist usually when its wearing and tearing are changed, inconvenient change and potential safety hazard are too big, and the installation of submodule piece will increase dismantlement process and time with the dismantlement, and two kinds of current situations are unfavorable for current production.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above-mentioned conventional problems.

Therefore, the technical problem solved by the invention is as follows: the problem that the existing beating piece is difficult to disassemble and replace is solved.

In order to solve the technical problems, the invention provides the following technical scheme: a building stone crushing apparatus comprising:

the protective assembly comprises a shell and a feeding port arranged on one side of the top of the shell, a striking assembly is arranged in the shell opposite to the feeding port, and a first counterattack plate and a second counterattack plate are further arranged in the shell;

the striking assembly comprises a driving shaft, two ends of the driving shaft are connected with the shell, a wear-resistant guard plate is arranged on the driving shaft, an insertion groove is formed in the wear-resistant guard plate, a first pit is formed in the side wall of the insertion groove, and an opening of the insertion groove is provided with an open groove;

the hitting component further comprises a hitting piece, an inner cavity is formed in the end portion of the hitting piece, a straight groove is formed in the side wall of the inner cavity, a fixing shaft is arranged in the straight groove, a supporting block is arranged in the inner cavity, a second pit is formed in the side face of the supporting block, and a first spring is arranged at the bottom of the supporting block and connected with the bottom of the inner cavity.

As a preferable aspect of the building stone crushing apparatus of the present invention, wherein: the fixed shaft comprises a straight shaft section, a first end and a second end, the first end and the second end are arranged at two ends of the straight shaft section, and the straight shaft section is embedded in the straight groove.

As a preferable aspect of the building stone crushing apparatus of the present invention, wherein: a limiting groove is formed in the side wall of the straight groove, an embedded block is arranged on the outer side of the straight shaft section, and the embedded block is embedded in the limiting groove;

and a second spring is arranged in the limiting groove and connected with the embedded block.

As a preferable aspect of the building stone crushing apparatus of the present invention, wherein: the beating piece comprises a wear-resistant part and a connecting part, the wear-resistant part is obliquely arranged at the end part of the connecting part, and the inner cavity is arranged in the connecting part;

the connecting part is embedded in the inserting groove.

As a preferable aspect of the building stone crushing apparatus of the present invention, wherein: the connecting portion side is provided with spacing portion, spacing portion set up in the uncovered groove.

As a preferable aspect of the building stone crushing apparatus of the present invention, wherein: the beating piece is provided with a through hole which is communicated with the inner cavity; a spiral groove is formed in the through hole;

an inserting shaft is arranged in the through hole, a spiral strip is arranged on the outer side of the inserting shaft, and the spiral strip is embedded in the spiral groove.

As a preferable aspect of the building stone crushing apparatus of the present invention, wherein: a fixing ring is arranged on the driving shaft, and a positioning rod is arranged on the fixing ring;

the inner side of the wear-resistant guard plate is provided with an annular groove, a positioning groove is formed in the annular groove, the fixing ring is embedded in the annular groove, and the positioning rod is inserted in the positioning groove.

As a preferable aspect of the building stone crushing apparatus of the present invention, wherein: the wear-resistant guard plate comprises a first half plate and a second half plate, a first semicircular groove is formed in the end portion of the first half plate, and a second semicircular groove is formed in the end portion of the second half plate.

As a preferable aspect of the building stone crushing apparatus of the present invention, wherein: the half board tip of second is provided with second ring hook and second and receives the groove, first ring hook and second receive the groove position and correspond, first receipts groove with second ring hook position corresponds.

As a preferable aspect of the building stone crushing apparatus of the present invention, wherein: a first semicircular block is arranged in the first semicircular groove, a second semicircular block is arranged in the second semicircular groove, an arc block is arranged on the side surface of the first semicircular block, an arc groove is arranged on the side surface of the first semicircular groove, and the arc block is embedded in the arc groove; and a third spring is arranged in the arc groove and connected with the arc block.

The invention has the beneficial effects that: according to the invention, the hitting assembly is subjected to modular design, the parts are convenient to produce, and the parts are convenient to mount, dismount and replace, so that the working strength and the working time are saved, and the potential safety hazard is reduced.

Drawings

FIG. 1 is a schematic view showing the overall internal structure of a building stone crushing apparatus according to the present invention;

FIG. 2 is a schematic view showing the construction of a striking assembly in the construction stone crushing apparatus according to the present invention;

FIG. 3 is a schematic sectional view showing the construction of a striking assembly at a striking member in the construction stone crushing apparatus according to the present invention;

FIG. 4 is a schematic view of the mounting structure of the striking member and the wear-resistant guard plate in the apparatus for crushing building stones according to the present invention;

FIG. 5 is a schematic view of the installation structure of the wear-resistant guard plate and the driving shaft of the building stone crushing device of the present invention;

FIG. 6 is a schematic view showing a connection structure of a first half plate and a second half plate in the apparatus for crushing building stones according to the present invention;

fig. 7 is a schematic structural view of the first semicircular groove of the building stone crushing device according to the present invention.

Wherein: the protective component 100, the shell 101, the material inlet 102, the striking component 200, the first reaction plate 103, the second reaction plate 104, the driving shaft 201, the wear-resistant protective plate 202, the insertion groove 202a, the first pit 202B, the open groove 202c, the striking piece 203, the inner cavity 203a, the straight groove 203B, the fixed shaft 203c, the striking block 203d, the second pit 203e, the first spring 203f, the straight shaft section 203c-1, the first end 203c-2, the second end 203c-3, the limit groove 203B-1, the embedded block 203c-4, the second spring 203B-2, the wear-resistant part 203g, the connecting part 203j, the limit part 203h, the perforation 203k, the spiral groove 203k-1, the insertion shaft 203m-1, the spiral strip 203m-1, the fixing ring 201a, the locating rod 201B, the annular groove 202d, the locating groove 202e, the first half plate A, the second half plate B, the first half circular groove A1, the novel hook comprises a second semicircular groove B1, a first ring hook A2, a first containing groove A3, a second ring hook B2, a second containing groove B3, a first semicircular block C, a second semicircular block D, an arc block C1, an arc groove A5, a third spring A6, a first quarter circle A4, a second quarter circle B4 and a thread groove 203 m-2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.

It should be understood that, in various embodiments of the present invention, the sequence numbers of the processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic of the processes, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

It should be understood that in the present application, "comprising" and "having" and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be understood that, in the present invention, "a plurality" means two or more. "and/or" is merely an association describing an associated object, meaning that three relationships may exist, for example, and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "comprises A, B and C" and "comprises A, B, C" means that A, B, C all comprise, "comprises A, B or C" means that one of A, B, C comprises, "comprises A, B and/or C" means that any 1 or any 2 or 3 of A, B, C comprises.

It should be understood that in the present invention, "B corresponding to a", "a corresponds to B", or "B corresponds to a" means that B is associated with a, and B can be determined from a. Determining B from a does not mean determining B from a alone, but may be determined from a and/or other information. And the matching of A and B means that the similarity of A and B is greater than or equal to a preset threshold value.

As used herein, "if" may be interpreted as "at … …" or "when … …" or "in response to a determination" or "in response to a detection", depending on the context.

The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

Example 1

Referring to fig. 1 to 4, the present embodiment provides a building stone crushing apparatus, which can facilitate replacement of a part directly contacting with a stone, for example, a wear-resistant guard plate 202 and a striking member 203 disposed on a driving shaft 101, so as to periodically repair equipment, and separately replace a part with severe wear, rather than integrally replace the part with severe wear; secondly, hit the little modularization of subassembly, divide into a plurality of widgets with it and install, and prior art bolted connection's mounting means is all more loaded down with trivial details to installation, dismantlement, calibration, especially changes the frequency increase after little modularization, and prior art does not improve this condition.

On the basis of small modularization, the invention improves the connecting structure, so that the whole device is convenient to mount and dismount, and the worn parts can be replaced in time.

Specifically, the invention comprises a protection assembly 100, wherein the protection assembly 100 comprises a shell 101 and a feeding port 102 arranged on one side of the top of the shell 101, a striking assembly 200 is arranged in the shell 101 opposite to the feeding port 102, and a first counterattack plate 103 and a second counterattack plate 104 are also arranged in the shell 101; the striking assembly 200 comprises a driving shaft 201, two ends of the driving shaft 201 are connected with the shell 101, a wear-resistant guard plate 202 is arranged on the driving shaft 201, an insertion groove 202a is formed in the wear-resistant guard plate 202, a first pit 202b is formed in the side wall of the insertion groove 202a, and an opening of the insertion groove 202a is provided with an open groove 202 c; the striking assembly 200 further comprises a striking piece 203, an inner cavity 203a is formed in the end portion of the striking piece 203, a straight groove 203b is formed in the side wall of the inner cavity 203a, a fixed shaft 203c is arranged in the straight groove 203b, a resisting block 203d is arranged in the inner cavity 203a, a second pit 203e is formed in the side face of the resisting block 203d, and a first spring 203f is arranged at the bottom of the resisting block 203d and connected with the bottom of the inner cavity 203 a.

Further, protection component 100 is the whole work container of device, and inside the building stones got into casing 101 from pan feeding mouth 102 to drop to hitting on beating the subassembly 200, hit or beat to first counterattack board 103 and second counterattack board 104 collision fracture by rotatory beating subassembly 200 of beating, so relapse until reaching the ejection of compact requirement, this part is the theory of operation of this device, and for prior art no longer gives unnecessary details, it should explain that casing 101 bottom one side is provided with the discharge gate.

Furthermore, the striking assembly 200 includes three major parts, which are respectively a driving shaft 101 for driving the whole rotation, a wear-resistant guard plate 102 for fixing the striking piece 203 and protecting the driving shaft 101, and a striking piece 203 for striking and colliding to make stone material be primarily cracked, it should be noted that the wear-resistant guard plates 102 are arranged in an array along the axial direction of the driving shaft 101, a certain distance is left between a plurality of wear-resistant guard plates 102, a sealing plate is plugged between the wear-resistant guard plates to prevent the stone material from contacting the driving shaft 101 to cause abrasion, and the striking piece 203 is arranged around the wear-resistant arc plate 102 in an array along the circumferential direction of the driving shaft 101.

In this embodiment, the striking element 203 is inserted into the insertion groove 202a and fixed by the fixing shaft 203c to connect with the wear-resistant guard plate 102, specifically, the straight grooves 203b are arranged in pairs to penetrate through the side walls of the striking element 203 on opposite sides, the fixing shaft 203c is embedded in the straight grooves 203b, further, the length of the fixing shaft 203c is greater than the length of the straight grooves 203b, that is, at least one end of the two ends of the fixing shaft 203c extends out of the straight grooves 203b, and in an initial condition, the outward end of the fixing shaft 203c extends out of the straight grooves 203b to the outside of the striking element 203, when the fixing shaft 203c is pressed into the inner cavity 203a by an external force, the fixing shaft 203c can move towards the inner cavity 203 a.

In order to secure the connection structure, the abutting block 203d is provided to limit whether the fixing shaft 203c can move into the cavity 203a, and referring to fig. 4, in the initial state, the abutting block 203d is kept in an upper state under the action of the first spring 203f, and at this time, the position of the second recess 203e does not correspond to the fixing shaft 203c, so the fixing shaft 203c cannot move in the direction of the cavity 203 a.

If the control abutting block 203d moves downward to make the position of the second recess 203e correspond to the fixed shaft 203c, the fixed shaft 203c can move into the cavity 203 a.

Furthermore, during initial installation, the position of the second recess 203e corresponds to the position of the fixing shaft 203c, the striking element 203 is inserted into the insertion groove 202a, the outer end of the fixing shaft 203c is pressed into the straight groove 203b, the inner end of the fixing shaft 203c is embedded into the second recess 203e, until the position of the fixing shaft 203c corresponds to the position of the first recess 202b, the end of the fixing shaft 203c is embedded into the first recess 202b, and the abutting block 203d moves upwards to lock the state, and the end of the fixing shaft 202c is kept embedded into the first recess 202b, thereby realizing installation.

Further, the fixing shaft 203c includes a straight shaft section 203c-1, and a first end 203c-2 and a second end 203c-3 disposed at two ends of the straight shaft section 203c-1, where the straight shaft section 203c-1 is embedded in the straight groove 203b, and it should be noted that the first concave pit 202b, the second concave pit 203e, the first end 203c-2 and the second end 203c-3 are hemispherical structures with the same size, but the first concave pit 202b and the second concave pit 203e are groove structures, the first end 203c-2 and the second end 203c-3 are solid structures, and the length of the fixing shaft 203c is longer than that of the straight groove 203b by one length of the second end 203 c-3.

Furthermore, the side wall of the straight groove 203b is provided with a limit groove 203b-1, the outer side of the straight shaft section 203c-1 is provided with an embedded block 203c-4, and the embedded block 203c-4 is embedded in the limit groove 203 b-1; a second spring 203b-2 connecting embedded block 203c-4 is arranged in the limiting groove 203 b-1;

it should be noted that the limit groove 203b-1 defines the moving range of the fixed shaft 203c in the straight groove 203b as follows: moving the fixed shaft 203c inward may position the first end 203c-2 in the cavity 203a at most, moving the fixed shaft 203c outward may position the second end 203c-3 outside the striking member 203 at most, and the second spring 203b-2 may define that the second spring 203b-2 pushes the second end 203c-3 out of the striking member 203 without pushing the fixed shaft 203c by other external forces.

Therefore, when the striking element 203 is inserted into the insertion groove 202a, the sidewall of the insertion groove 202a can press the second end 203c-3 to press the fixing shaft 203c inward, and when the fixing shaft 203c-3 corresponds to the first recess 202b, the second spring 203b-2 will move the fixing shaft 203c to insert the second end 203c-3 into the first recess 202 b.

Furthermore, the striking element 203 comprises a wear-resistant portion 203g and a connecting portion 203j, the wear-resistant portion 203g is obliquely arranged at the end of the connecting portion 203j, and the inner cavity 203a is arranged in the connecting portion 203 j; the connecting part 203j is embedded in the inserting groove 202 a; the connecting portion 203j is provided with a limiting portion 203h on the side, and the limiting portion 203h is arranged in the open groove 202 c.

The limiting portion 203h further limits the striking element 203 from moving relative to the wear-resistant guard plate 102 in the radial direction of the driving shaft 102, and the stability of connection is improved.

The beating piece 203 is provided with a through hole 203k, and the through hole 203k is communicated with the inner cavity 203 a; a spiral groove 203k-1 is arranged in the through hole 203 k; an inserting shaft 203m is arranged in the through hole 203k, a spiral strip 203m-1 is arranged outside the inserting shaft 203m, and the spiral strip 203m-1 is embedded in the spiral groove 203 k-1.

It should be noted that the insertion shaft 203m is provided to facilitate the adjustment of the position of the abutting block 203d while taking (or lifting) the striking member 203, so that the striking member 203 can be taken down, specifically, the spiral groove 203k-1 is provided in the middle of the through hole 203k, the end of the spiral groove 203k-1 is not communicated with the inner cavity 203a, and is not communicated with the top of the striking member 203, so that the spiral groove 203k-1 limits the spiral strip 203m-1, and the spiral strip 203m-1 can only move a distance in the spiral groove 203 k-1.

It should be noted that the end of the insertion shaft 203m is provided with a thread groove 203 m-2.

In the process of installing the striking piece 203 into the insertion groove 202a, a screw is firstly screwed into the threaded groove 203m-2, the screw is screwed to the bottom of the threaded groove 203m-2 to drive the insertion shaft 203m to spirally move downwards along the spiral groove 203k-1, the abutting block 203d is pushed to move downwards in the moving process of the insertion shaft 203m, when the insertion shaft 203m cannot move, the position of the second concave pit 203e corresponds to that of the fixed shaft 203c, the striking piece 203 is taken up to be inserted into the insertion groove 202a at the moment, the fixed shaft 203c is embedded into the first concave pit 202b and reversely screwed out of the insertion shaft 203m, the insertion shaft 203m is firstly withdrawn upwards, the abutting block 203d moves upwards under the action of the first spring 203f in the process to block the fixed shaft 203c, and the screw is screwed out of the threaded groove 203m-2 after the insertion shaft 203m moves upwards to the top.

When the assembly is disassembled, the insertion shaft 203m is screwed into the spiral groove 203m-2 to the bottom, and the whole assembly is lifted out.

Example 2

Referring to fig. 1 to 7, the present embodiment is different from the previous embodiment in that a driving shaft 201 is provided with a fixing ring 201a, and the fixing ring 201a is provided with a positioning rod 201 b; the inboard of wear-resisting backplate 202 is provided with annular 202d, is provided with constant head tank 202e in the annular 202d, and solid fixed ring 201a inlays in annular 202d, and locating lever 201b inserts and locates in constant head tank 202 e. The wear plate 202 includes a first half a and a second half B.

In this embodiment, the structure of the wear-resistant arc plate 202 is improved to facilitate the installation on the driving shaft 101, specifically, the wear-resistant arc plate 202 is divided into a first half plate a and a second half plate B, and the first half plate a and the second half plate B are wrapped around the driving shaft 101 during the installation, specifically,

all be provided with locating lever 201B on first half board A and the half board B of second, insert locating lever 201B in constant head tank 202e, solid fixed ring 201a inlays in annular 202d when continuing the installation, and in this process, first half board A and the half board B end connection of second make first half board A of board and the half board B of second connect into whole.

Furthermore, a first semicircular groove A1 is formed in the end part of the first half plate A, and a second semicircular groove B1 is formed in the end part of the second half plate B; the end part of the first half plate A is provided with a first ring hook A2 and a first receiving groove A3, the end part of the second half plate B is provided with a second ring hook B2 and a second receiving groove B3, the positions of the first ring hook A2 and the second receiving groove B3 correspond, and the positions of the first receiving groove A3 and the second ring hook B2 correspond.

Furthermore, a second quarter circle B4 is arranged in the second ring hook B2, the second quarter circle B4 and the second half groove B1 jointly form a quarter three circle, similarly, a first quarter circle a4 is also arranged in the first ring hook a2, a first quarter circle a4 and the first half groove a1 jointly form a quarter three circle, and the first ring hook a2 and the second ring hook B2 are used for pushing the first half block C and the second half block D to rotate and limiting the first half block C and the second half block D to be fixed, so that the first half plate a and the second half plate B are fixed together.

The first and second slots A3 and B3 are configured to receive the second and first loop hooks B2 and a2, respectively, after attachment.

A first semicircular block C is arranged in the first semicircular groove A1, a second semicircular block D is arranged in the second semicircular groove B1, an arc block C1 is arranged on the side surface of the first semicircular block C, an arc groove A5 is arranged on the side surface of the first semicircular groove A1, and the arc block C1 is embedded in the arc groove A5; a third spring A6 is arranged in the arc groove A5 and is connected with an arc block C1.

It should be noted that the third spring a6 keeps the first semicircular block C in the initial state (i.e., without external force) inclined as shown in fig. 6, and similarly, the second semicircular groove B1 is also provided with an arc groove a5 and a third spring a6, the second semicircular block D and the first semicircular block C have the same structure, and the second semicircular block D keeps inclined in the initial state.

The arc groove a5 defines the path of travel of the arc block C1, and likewise, defines the coaxial rotation of the first semicircular block C within the first semicircular groove a 1.

Referring to fig. 6, the first half-plate a and the second half-plate B are connected by a positioning rod 201B, and then the first half-plate a and the second half-plate B are closed together, the first ring hook a2 contacts the second half-round block D, the second ring hook B2 contacts the first half-round block C, and then the second half-round block D and the first half-round block C are continuously pushed to rotate, so that half of the first half-round block C is located in the first half-round groove a1 and half of the first quarter-round block C is located in the first quarter-round groove a4, and similarly, half of the second half-round block D is located in the second half-round groove B1 and the second quarter-round block B4, until the first ring hook a2 is completely embedded in the second half-round groove B3, the second ring hook B2 is completely embedded in the first half-round groove A3, and the third spring A6 rotates the second half-round block D and the first half-round block C to return to the inclined state, so that the first ring hook a2 and the second ring B2 cannot be connected.

It should be noted that, for the disassembly of the first half plate a and the second half plate B, the side surface of the first half block C is provided with a through shaft, the end part of the through shaft extends out of the side surface of the first half plate a, and the first half block C and the second half block D can be rotated to the state that half of the second half block D is located in the second half slot B1 and the second quarter circle B4 by rotating the through shaft, and at this time, the first half block C and the second half block D can be disassembled.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A building stone reducing mechanism, characterized by comprising:

the protective component (100) comprises a shell (101) and a feeding port (102) arranged on one side of the top of the shell (101), wherein a striking component (200) is arranged in the shell (101) opposite to the feeding port (102), and a first counterstriking plate (103) and a second counterstriking plate (104) are further arranged in the shell (101);

the striking assembly (200) comprises a driving shaft (201), two ends of the driving shaft (201) are connected with the shell (101), a wear-resistant guard plate (202) is arranged on the driving shaft (201), an insertion groove (202 a) is arranged on the wear-resistant guard plate (202), a first pit (202 b) is arranged on the side wall of the insertion groove (202 a), and an opening of the insertion groove (202 a) is provided with an open groove (202 c);

the beating component (200) further comprises a beating piece (203), an inner cavity (203 a) is formed in the end portion of the beating piece (203), a straight groove (203 b) is formed in the side wall of the inner cavity (203 a), a fixing shaft (203 c) is arranged in the straight groove (203 b), a resisting block (203 d) is arranged in the inner cavity (203 a), a second pit (203 e) is formed in the side face of the resisting block (203 d), and a first spring (203 f) is arranged at the bottom of the resisting block (203 d) and connected with the bottom of the inner cavity (203 a).

2. The building stone crushing apparatus of claim 1, wherein: the fixing shaft (203 c) comprises a straight shaft section (203 c-1) and a first end head (203 c-2) and a second end head (203 c-3) which are arranged at two ends of the straight shaft section (203 c-1), and the straight shaft section (203 c-1) is embedded in the straight groove (203 b).

3. The building stone crushing apparatus of claim 2, wherein: a limiting groove (203 b-1) is formed in the side wall of the straight groove (203 b), an embedded block (203 c-4) is arranged on the outer side of the straight shaft section (203 c-1), and the embedded block (203 c-4) is embedded in the limiting groove (203 b-1);

a second spring (203 b-2) is arranged in the limiting groove (203 b-1) and connected with the embedded block (203 c-4).

4. The building stone crushing apparatus as claimed in claim 3, wherein: the striking piece (203) comprises a wear-resistant part (203 g) and a connecting part (203 j), the wear-resistant part (203 g) is obliquely arranged at the end part of the connecting part (203 j), and the inner cavity (203 a) is arranged in the connecting part (203 j);

the connecting part (203 j) is embedded in the inserting groove (202 a).

5. The building stone crushing apparatus of claim 4, wherein: the side face of the connecting part (203 j) is provided with a limiting part (203 h), and the limiting part (203 h) is arranged in the open groove (202 c).

6. The building stone crushing apparatus as claimed in claim 5, wherein: a through hole (203 k) is formed in the beating piece (203), and the through hole (203 k) is communicated with the inner cavity (203 a); a spiral groove (203 k-1) is arranged in the through hole (203 k);

an inserting shaft (203 m) is arranged in the through hole (203 k), a spiral strip (203 m-1) is arranged on the outer side of the inserting shaft (203 m), and the spiral strip (203 m-1) is embedded in the spiral groove (203 k-1).

7. The building stone crushing apparatus of claim 6, wherein: a fixing ring (201 a) is arranged on the driving shaft (201), and a positioning rod (201 b) is arranged on the fixing ring (201 a);

wear-resisting backplate (202) inboard is provided with annular (202 d), be provided with constant head tank (202 e) in annular (202 d), gu fixed ring (201 a) inlay in annular (202 d), locating lever (201 b) are inserted and are located in constant head tank (202 e).

8. The building stone crushing apparatus as claimed in claim 7, wherein: wear-resisting backplate (202) include half first board (A) and half second board (B), half first board (A) tip is provided with first semicircle groove (A1), half second board (B) tip is provided with second semicircle groove (B1).

9. The building stone crushing apparatus as claimed in claim 8, wherein: first half board (A) tip is provided with first ring hook (A2) and first receipts groove (A3), second half board (B) tip is provided with second ring hook (B2) and second receipts groove (B3), first ring hook (A2) and second receipts groove (B3) position correspond, first receipts groove (A3) with second ring hook (B2) position corresponds.

10. The building stone crushing apparatus as claimed in claim 9, wherein: a first semicircular block (C) is arranged in the first semicircular groove (A1), a second semicircular block (D) is arranged in the second semicircular groove (B1), an arc block (C1) is arranged on the side surface of the first semicircular block (C), an arc groove (A5) is arranged on the side surface of the first semicircular groove (A1), and the arc block (C1) is embedded in the arc groove (A5);

a third spring (A6) is arranged in the arc groove (A5) and is connected with the arc block (C1).