Pressure hammer for building
Technical Field
The invention relates to the field of buildings, in particular to a pressure hammer for buildings.
Background
Pressure hammers are frequently used in the construction field, but the breaking effect of the general pressure hammer is limited, and the function is single.
Disclosure of Invention
The invention aims to provide a pressure hammer for buildings, which can change the length of a cable of the pressure hammer and is convenient for changing the crushing degree; meanwhile, the process of curling and releasing the pressure hammer cable can be realized, and the use is convenient; the frequency of crushing of the device can be varied.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a pressure hammer for building, includes broken pendulum assembly, slider assembly, serving assembly, bent axle, connecting rod A, chassis assembly, power supply, its characterized in that: broken pendulum assembly is connected with the slider assembly, and the serving assembly is connected with garrulous pendulum assembly, and connecting rod A is connected with garrulous pendulum assembly, and the bent axle is connected with connecting rod A, and the bent axle is connected with the chassis assembly, and the power supply is connected with the chassis assembly. The connecting device comprises a fixed connection, a sliding connection, a rotating connection, a meshing transmission, a hinged connection, a matching connection and a sleeve connection.
As a further optimization of the technical scheme, the pressure hammer for buildings comprises a crushing pendulum bob assembly, an upper end frame, a hammer head, a first slide rod, a second slide rod, a first push spring and a second push spring, wherein the upper end frame, the hammer head and the pendulum bob body are fixedly connected with the first slide rod and the hammer head in a sliding manner, the second push spring is connected with the first slide rod in a sleeved manner, the second push spring is fixedly connected with the first slide rod and the hammer head in a sliding manner, the second slide rod is connected with the upper end frame in a sliding manner, the first push spring is connected with the second slide rod in a sleeved manner, the first push spring is fixedly connected with the second slide rod and the upper end frame, and the pendulum bob body is hinged with.
As a further optimization of the technical scheme, the pressure hammer for buildings comprises a slider assembly and a slider clamping rod, wherein the slider assembly is fixedly connected with the slider clamping rod.
As a further optimization of the technical scheme, the invention relates to a pressure hammer for buildings, wherein a winding rope assembly comprises a winding rope outer frame, a middle-end cross rod, a sleeve I, a rotary column I, a boss I, a sleeve II, a clamping groove, a ratchet rod pushing spring, a middle-end rotary column, a middle-end pushing spring A and a cylindrical rotor, the winding rope outer frame is rotatably connected with the middle-end rotary column, the middle-end rotary column is slidably connected with the middle-end cross rod, the middle-end rotary column is fixedly connected with the sleeve I, the rotary column I and the boss I are fixedly connected with the winding rope outer frame, the middle-end cross rod is connected with the sleeve II, the clamping groove is connected with the clamping groove in a matching manner, the ratchet rod is fixedly connected with the ratchet rod pushing spring, the ratchet rod pushing spring is fixedly connected with the boss I, the ratchet rod is rotatably connected with the rotary column, the winding rope outer frame is fixedly connected with a pendulum body, the middle-end pushing spring A is connected with the sleeve I, the middle-end cross rod, the middle-end push spring A is arranged at the inner end of the sleeve II, the sleeve II is fixedly connected with the cylindrical rotor, the cylindrical rotor is connected with the middle-end cross rod in a sliding mode, the cylindrical rotor is connected with the rope coiling outer frame in a rotating mode, the sleeve I is connected with the sleeve II in a sliding mode, and the middle-end push spring A is arranged between the sleeve I and the sleeve II.
As a further optimization of the technical scheme, the pressure hammer for buildings comprises an underframe base plate, a first hinge rod, a second hinge rod, a third hinge rod, a fourth hinge rod, a fifth hinge rod, a first transmission belt, a first transmission bevel gear, a second transmission bevel gear, a trapezoidal outer frame, a bearing plate, a middle-end push spring C, a rectangular through groove, a middle-end roller, a middle-end rotating shaft, a middle-end arc slider, a rear-end belt wheel, a rear-end belt, an arc waist groove, a middle-end column, a cylindrical sleeve spring, an L plate and an outlet, wherein the first hinge rod is fixedly connected with the underframe base plate, the second hinge rod is fixedly connected with the underframe base plate, the third hinge rod is fixedly connected with the underframe base plate, the fourth hinge rod is fixedly connected with the underframe base plate, the fifth hinge rod is fixedly connected with the underframe base plate, the first transmission bevel gear is connected with the L plate in a rotating manner, and the trapezoidal plate are fixedly connected, the transmission bevel gear I is in meshing transmission with the transmission bevel gear II, the transmission bevel gear II is rotatably connected with the L plate, the trapezoidal outer frame is in sliding connection with the bearing plate, the middle-end push spring C is fixedly connected with the trapezoidal outer frame and the bearing plate, the rectangular through groove is connected with the bearing plate, the arc-shaped waist groove is connected with the trapezoidal outer frame, the middle-end post is connected with the trapezoidal outer frame, the middle-end arc slider is provided with a sliding hole A, the sliding hole A is in sliding connection with the middle-end post, the cylindrical sleeve spring is connected with the middle-end post in a sleeved mode, the cylindrical sleeve spring is fixedly connected with the middle-end arc slider and the middle-end post, the middle-end arc slider is rotatably connected with the middle-end rotating shaft, the middle-end rotating shaft is fixedly connected with the middle-end roller, the middle-end rotating shaft is fixedly connected with the rear-end belt pulley, the rear-end belt pulley is connected with the rear-end belt, the rear-end belt is connected with the, the outer frame of the slider is hinged with a third hinge rod, a fourth hinge rod and a fifth hinge rod,
as a further optimization of the technical scheme, the pressure hammer for buildings comprises a power source, a first middle-end hinged frame, a middle-end transmission friction disc, an N-shaped frame, a rectangular sliding groove, a clamping groove, an input motor, an input friction wheel, a transmission wheel, a shifting rod, a shaft sleeve, an inner rotating rod, a clamping rod and a clamping rod push spring, wherein the first middle-end hinged frame is fixedly connected with the power bottom plate, the middle-end transmission friction disc is rotatably connected with the power bottom plate, the N-shaped frame is connected with the power bottom plate, the rectangular sliding groove is connected with the power bottom plate, the clamping groove is arranged in the rectangular sliding groove, the input motor is fixedly connected with the power bottom plate, the input friction wheel is connected with an output shaft of the input motor, the input friction wheel is in friction transmission with the middle-end transmission friction disc, the transmission wheel is in friction transmission with the middle-end transmission friction, the driving wheel is connected with the inner rotating rod in a sliding mode, the inner rotating rod is connected with the shaft sleeve in a rotating mode, the shaft sleeve is fixedly connected with the middle-end hinged frame, the driving rod is connected with the clamping rod in a sliding mode, the clamping rod push spring is connected with the driving rod and the clamping rod, the clamping rod is connected with the clamping groove in a matching mode, the power bottom plate is fixedly connected with the bottom plate of the bottom frame, and the inner rotating rod is fixedly connected with the crankshaft.
The pressure hammer for buildings has the beneficial effects that:
according to the pressure hammer for buildings, the middle-end roller moves, the crushed small materials fall into the trapezoidal outer frame through the rectangular through groove, and the crushed small materials are transported through the middle-end roller, so that the crushed small materials pass through the outlet and are convenient to collect; the bearing plate is placed on the bearing plate in the crushing process of the large building materials, the bearing plate moves downwards under the action of the large building materials, the middle end pushing spring C is compressed, and the vibration generated in the crushing process can be reduced through the middle end pushing spring C.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a second overall structural schematic of the present invention;
FIG. 3 is a third schematic view of the overall structure of the present invention;
FIG. 4 is a fourth schematic view of the overall structure of the present invention;
FIG. 5 is a first schematic view of the crushing pendulum assembly of the present invention;
FIG. 6 is a second schematic view of the crushing pendulum assembly of the present invention;
FIG. 7 is a third schematic view of the crushing pendulum assembly of the present invention;
FIG. 8 is a fourth schematic view of the crushing pendulum assembly of the present invention;
FIG. 9 is a fifth schematic view of the crushing pendulum assembly of the present invention;
FIG. 10 is a schematic view of the slider assembly of the present invention;
FIG. 11 is a first schematic view of the present invention;
FIG. 12 is a second schematic structural view of the rope winding assembly of the present invention;
FIG. 13 is a third schematic view of the present invention;
FIG. 14 is a first structural view of the undercarriage assembly of the present invention;
FIG. 15 is a second schematic view of the structure of the undercarriage assembly of the present invention;
FIG. 16 is a third schematic view of the undercarriage assembly of the present invention;
FIG. 17 is a fourth schematic view of the undercarriage assembly of the present invention;
FIG. 18 is a fifth structural schematic view of the undercarriage assembly of the present invention;
FIG. 19 is a first schematic illustration of the power source configuration of the present invention;
FIG. 20 is a schematic illustration of the power source configuration of the present invention;
fig. 21 is a fifth overall structural diagram of the present invention.
In the figure: a crushing pendulum assembly 1; a pendulum mass body 1-1; an upper end frame 1-2; 1-3 of a hammer head; 1-4 sliding rods; 1-5 sliding rods; 1-6 of a push spring I; a second push spring 1-7; a slider assembly 2; 2-1 of a slider outer frame; 2-2 of a slider clamping rod; a rope winding assembly 3; 3-1 of a rope rolling outer frame; 3-2 of a middle-end cross rod; 3-3 of a first sleeve; 3-4 of a rotary column I; 3-5 of a first boss; 3-6 parts of a second sleeve; 3-7 of a clamping groove; 3-8 parts of ratchet rod; 3-9 parts of ratchet rod push spring; 3-10 of a middle-end rotating column; the middle end push spring A3-11; a crankshaft 4; a link A5; a chassis assembly 6; a chassis base 6-1; the first hinge rod 6-2; a second hinge rod 6-3; a third hinge rod 6-4; four hinge rods 6-5; five hinge rods 6-6; 6-7 parts of a first transmission belt; 6-8 parts of a first transmission bevel gear; 6-9 parts of a second transmission bevel gear; 6-10 parts of a trapezoidal outer frame; a bearing plate 6-11; the middle end push spring C6-12; 6-13 rectangular through grooves; middle rollers 6-14; 6-15 parts of a middle-end rotating shaft; 6-16 parts of middle-end arc slider; rear end belt pulleys 6-17; rear end belts 6-18; 6-19 of arc-shaped waist groove; 6-20 parts of middle end column; 6-21 parts of cylindrical sleeve spring; 6-22 parts of an L plate; outlets 6-23; a power source 7; a power bottom plate 7-1; the middle end is hinged with a first frame 7-2; a middle end transmission friction disc 7-3; 7-4 of an N-shaped frame; 7-5 of a rectangular chute; 7-6 of a clamping groove; an input motor 7-7; 7-8 parts of input friction wheel; a transmission wheel 7-9; 7-10 parts of a deflector rod; 7-11 of a shaft sleeve; 7-12 inner end rotating rods; 7-13 of a clamping rod; the clamping rod pushes springs 7-14.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The fixed connection in the device is realized by fixing in modes of welding, thread fixing and the like, and different fixing modes are used in combination with different use environments; the rotary connection means that the bearing is arranged on the shaft in a drying mode, a spring retainer ring groove is formed in the shaft or the shaft hole, and the elastic retainer ring is clamped in the retainer ring groove to achieve axial fixation of the bearing and achieve rotation; the sliding connection refers to the connection through the sliding of the sliding block in the sliding groove or the guide rail, and the sliding groove or the guide rail is generally in a step shape, so that the sliding block is prevented from falling off in the sliding groove or the guide rail; the hinge joint is a movable connection mode on connecting parts such as a hinge, a pin shaft, a short shaft and the like; the required sealing positions are sealed by sealing rings or O-shaped rings.
The first embodiment is as follows:
the present embodiment will be described below with reference to fig. 1 to 21, and a pressure hammer for buildings includes a breaking pendulum assembly 1, a slider assembly 2, a rope winding assembly 3, a crankshaft 4, a connecting rod a5, an underframe assembly 6, and a power source 7, and is characterized in that: broken pendulum assembly 1 is connected with slider assembly 2, and serving assembly 3 is connected with broken pendulum assembly 1, and connecting rod A5 is connected with broken pendulum assembly 1, and bent axle 4 is connected with connecting rod A5, and bent axle 4 is connected with chassis assembly 6, and power supply 7 is connected with chassis assembly 6. The connecting device comprises a fixed connection, a sliding connection, a rotating connection, a meshing transmission, a hinged connection, a matching connection and a sleeve connection.
The second embodiment is as follows:
the first embodiment is further described with reference to fig. 1-21, wherein the crushing pendulum assembly 1 includes a pendulum body 1-1, an upper end frame 1-2, hammers 1-3, slide bars 1-4, slide bars 1-5, push springs 1-6, push springs 1-7, an upper end frame 1-2, hammers 1-3 and a pendulum body 1-1 are fixedly connected with the slide bars 1-4 and hammers 1-3, push springs 1-7 are connected with the slide bars 1-4 in a sleeved manner, push springs 1-7 are fixedly connected with the slide bars 1-4 and hammers 1-3, slide bars 1-5 are slidably connected with the upper end frame 1-2, push springs 1-6 are connected with the slide bars 1-5 in a sleeved manner, the push spring I1-6 is fixedly connected with the slide bar II 1-5 and the upper end frame 1-2, and the pendulum bob body 1-1 is hinged with the connecting rod A5.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 21, and the embodiment further describes the first embodiment, where the slider assembly 2 includes a slider outer frame 2-1 and a slider clamping rod 2-2, and the slider outer frame 2-1 is fixedly connected to the slider clamping rod 2-2.
The fourth concrete implementation mode:
the embodiment is described below with reference to fig. 1-21, and the embodiment further describes the first embodiment, wherein the rope winding assembly 3 includes a rope winding outer frame 3-1, a middle end cross rod 3-2, a sleeve one 3-3, a rotary column one 3-4, a boss one 3-5, a sleeve two 3-6, a slot 3-7, a ratchet rod 3-8, a ratchet rod push spring 3-9, a middle end rotary column 3-10, a middle end push spring A3-11, a cylindrical rotor 3-12, the rope winding outer frame 3-1 is rotatably connected with the middle end rotary column 3-10, the middle end rotary column 3-10 is slidably connected with the middle end cross rod 3-2, the middle end rotary column 3-10 is fixedly connected with the sleeve one 3-3, the rotary column one 3-4, the boss one 3-5 is fixedly connected with the rope winding 3-1, the middle cross rod 3-2 is connected with the sleeve II 3-6, the sleeve II 3-6 is connected with the slot 3-7, the slot 3-7 is connected with the ratchet rod 3-8 in a matching way, the ratchet rod 3-8 is fixedly connected with the ratchet rod push spring 3-9, the ratchet rod push spring 3-9 is fixedly connected with the boss I3-5, the ratchet rod 3-8 is rotatably connected with the rotary column I3-4, the rope coiling outer frame 3-1 is fixedly connected with the pendulum body 1-1, the middle push spring A3-11 is connected with the sleeve I3-3, the middle push spring A3-11 is connected with the middle cross rod 3-2 in a sleeved way, the middle push spring A3-11 is arranged at the inner end of the sleeve II 3-6, the sleeve II 3-6 is fixedly connected with the cylindrical rotor 3-12, the cylindrical rotor 3-12 is connected with the middle cross rod 3-2 in a sliding way, the cylindrical rotor 3-12 is rotatably connected with the rope winding outer frame 3-1, the sleeve I3-3 is slidably connected with the sleeve II 3-6, and the middle end push spring A3-11 is arranged between the sleeve I3-3 and the sleeve II 3-6.
The fifth concrete implementation mode:
the present embodiment is described below with reference to fig. 1 to 21, and is further described, wherein the underframe assembly 6 includes an underframe bottom plate 6-1, a first hinge rod 6-2, a second hinge rod 6-3, a third hinge rod 6-4, a fourth hinge rod 6-5, a fifth hinge rod 6-6, a first transmission belt 6-7, a first transmission bevel gear 6-8, a second transmission bevel gear 6-9, a trapezoidal outer frame 6-10, a bearing plate 6-11, a middle end push spring C6-12, a rectangular through groove 6-13, a middle end roller 6-14, a middle end rotating shaft 6-15, a middle end arc slider 6-16, a rear end pulley 6-17, a rear end belt 6-18, an arc waist groove 6-19, a middle end column 6-20, a cylindrical sleeve spring 6-21, 6-22 parts of L plate, 6-23 parts of outlet, 6-2 parts of a first hinge rod fixedly connected with 6-1 parts of the bottom frame, 6-3 parts of a second hinge rod fixedly connected with 6-1 parts of the bottom frame, 6-4 parts of a third hinge rod fixedly connected with 6-1 parts of the bottom frame, 6-5 parts of a fourth hinge rod fixedly connected with 6-1 parts of the bottom frame, 6-6 parts of a fifth hinge rod fixedly connected with 6-1 parts of the bottom frame, 6-7 parts of a transmission belt are matched and connected with 6-8 parts of a transmission bevel gear, 6-8 parts of the transmission bevel gear are rotationally connected with 6-22 parts of the L plate, 6-22 parts of the L plate are fixedly connected with 6-10 parts of a trapezoidal outer frame, 6-8 parts of the transmission bevel gear is meshed and transmitted with 6-9 parts of the transmission bevel gear, 6-9 parts of the transmission bevel gear is rotationally connected with 6-22 parts of the L, the middle end push spring C6-12 is fixedly connected with the trapezoid outer frame 6-10 and the bearing plate 6-11, the rectangular through groove 6-13 is connected with the bearing plate 6-11, the arc waist groove 6-19 is connected with the trapezoid outer frame 6-10, the middle end post 6-20 is connected with the trapezoid outer frame 6-10, the middle end arc slider 6-16 is provided with a sliding hole A which is connected with the middle end post 6-20 in a sliding way, the column shaped sleeve spring 6-21 is connected with the middle end post 6-20 in a sleeved way, the column shaped sleeve spring 6-21 is fixedly connected with the middle end arc slider 6-16 and the middle end post 6-20, the middle end arc slider 6-16 is rotatably connected with the middle end rotating shaft 6-15, the middle end rotating shaft 6-15 is fixedly connected with the middle end roller 6-14, the middle end rotating shaft 6-15 is fixedly connected with the rear end belt pulley 6-17, the rear-end belt wheels 6-17 are connected with the rear-end belts 6-18, the rear-end belts 6-18 are connected with the transmission bevel gears II 6-9, the outlets 6-23 are connected with the trapezoidal outer frame 6-10, the crankshaft 4 is rotatably connected with the hinge rod I6-2 and the hinge rod II 6-3, the crankshaft 4 is connected with the transmission belt I6-7, and the slider outer frame 2-1 is hinged with the hinge rod III 6-4, the hinge rod IV 6-5 and the hinge rod V6-6;
the first transmission bevel gear 6-8 is driven to rotate through the first transmission belt 6-7, the second transmission bevel gear 6-9 is driven to rotate, the rear end belt 6-18 is driven to move, the middle end rotating shaft 6-15 is driven to move through the rear end belt wheel 6-17, the middle end roller 6-14 is driven to move, the crushed small materials fall into the trapezoidal outer frame 6-10 through the rectangular through groove 6-13, and the crushed small materials are transported through the middle end roller 6-14, so that the crushed small materials pass through the outlet 6-23 and are convenient to collect; the large building material is placed on the bearing plate 6-11 in the crushing process, the bearing plate 6-11 moves downwards under the action of the large building material, and meanwhile, the middle end pushing spring C6-12 is compressed, so that the vibration generated in the crushing process can be reduced through the middle end pushing spring C6-12.
The sixth specific implementation mode:
the embodiment is described below with reference to fig. 1-21, and the embodiment will be further described, wherein the power source 7 includes a power bottom plate 7-1, a middle end hinge frame one 7-2, a middle end transmission friction disc 7-3, an N-shaped frame 7-4, a rectangular sliding chute 7-5, a clamping groove 7-6, an input motor 7-7, an input friction wheel 7-8, a transmission wheel 7-9, a shift lever 7-10, a shaft sleeve 7-11, an inner end rotating rod 7-12, a clamping rod 7-13, and a clamping rod push spring 7-14, the middle end hinge frame one 7-2 is fixedly connected with the power bottom plate 7-1, the middle end transmission friction disc 7-3 is rotatably connected with the power bottom plate 7-1, the N-shaped frame 7-4 is connected with the power bottom plate 7-1, the rectangular sliding chute 7-5 is connected with the power bottom plate 7-1, the clamping groove 7-6 is connected with the power bottom plate 7-1, the clamping groove 7-6 is arranged in the rectangular sliding groove 7-5, the input motor 7-7 is fixedly connected with the power bottom plate 7-1, the input friction wheel 7-8 is connected with an output shaft of the input motor 7-7, the input friction wheel 7-8 is in friction transmission with the middle-end transmission friction disc 7-3, the driving wheel 7-9 is rotatably connected with the shifting lever 7-10, the shifting lever 7-10 is slidably connected with the N-shaped frame 7-4, the driving wheel 7-9 is slidably connected with the inner-end rotating rod 7-12, the inner-end rotating rod 7-12 is rotatably connected with the shaft sleeve 7-11, and the shaft sleeve 7-11 is fixedly connected with the middle-, the shifting lever 7-10 is connected with the clamping lever 7-13 in a sliding mode, the clamping lever push spring 7-14 is connected with the shifting lever 7-10 and the clamping lever 7-13, the clamping lever 7-13 is connected with the clamping groove 7-6 in a matching mode, the power bottom plate 7-1 is fixedly connected with the bottom plate 6-1 of the bottom frame, and the rotating lever 7-12 at the inner end is fixedly connected with the crankshaft 4.
The shifting lever 7-10 is manually pushed, so that the clamping rod 7-13 drives the clamping groove 7-6 to move inwards, the use position of the driving wheel 7-9 on the middle-end driving friction disc 7-3 is changed, the rotating speed output by the inner-end rotating rod 7-12 is further changed, the contact frequency of the breaking hammer and the large building material is further changed through the driving relation, and the breaking degree of the large building material is further changed.
The invention relates to a pressure hammer for buildings, which has the working principle that: when the rope winding device is used, one end of a rope with a breaking hammer is fixedly connected to the first sleeve 3-3, the length of the rope of the breaking hammer can be adjusted according to actual conditions, the first rotary column 3-4 is manually rotated, the second sleeve 3-6 is driven, meanwhile, the first sleeve 3-3 is driven to rotate on the rope winding outer frame 3-1 through the middle rotary column 3-10, and the rope is wound through the first sleeve 3-3, so that the use length of the rope of the breaking hammer is changed; the middle-end cross rod 3-2 is pushed manually, the sleeve pipe II 3-6 is driven by the middle-end cross rod 3-2 to enable the clamping groove 3-7 to be separated from the ratchet rod 3-8, the ratchet rod 3-8 does not limit the unidirectional rotation of the sleeve pipe II 3-6 through the clamping groove 3-7, the sleeve pipe I3-3 rotates reversely under the action of the gravity of the breaking hammer, and then the cable curled on the sleeve pipe I3-3 is released, and the cable winding and unwinding process is completed; starting an input motor 7-7, driving an input friction wheel 7-8, driving a middle-end transmission friction disc 7-3, further driving a transmission wheel 7-9 to rotate, further driving an inner-end rotating rod 7-12 to rotate, further driving a crankshaft 4 to rotate, further driving a pendulum bob body 1-1 to swing through a connecting rod A5, further driving the whole motion of a rope rolling assembly 3, and further completing the crushing of large building materials through the contact of a gravity hammer connected to the rope rolling assembly 3 and the large building materials; when the using length of the cable of the breaking hammer changes, along with the integral motion of the rope rolling assembly 3, the contact time of the breaking hammer and a large building material changes, and further the adjustment of the broken rope to a certain degree is realized; the deflector rod 7-10 is manually pushed, so that the clamping rod 7-13 drives the clamping groove 7-6 to move inwards, the use position of the driving wheel 7-9 on the middle-end driving friction disc 7-3 is changed, the rotating speed output by the inner-end rotating rod 7-12 is changed, the contact frequency of the breaking hammer and the large building material is changed through the driving relation, and the breaking degree of the large building material is changed; the inner end rotating rods 7-12 rotate, the transmission bevel gears 6-8 are driven to rotate through the transmission belts 6-7, the transmission bevel gears 6-9 are driven to rotate, the rear end belts 6-18 are driven to move, the middle end rotating shafts 6-15 are driven to move through the rear end belt wheels 6-17, the middle end rollers 6-14 are driven to move, the small crushed materials fall into the trapezoidal outer frames 6-10 through the rectangular through grooves 6-13, and the small crushed materials are transported through the middle end rollers 6-14, so that the small crushed materials pass through the outlets 6-23 and are convenient to collect; the large building material is placed on the bearing plate 6-11 in the crushing process, the bearing plate 6-11 moves downwards under the action of the large building material, and meanwhile, the middle end pushing spring C6-12 is compressed, so that the vibration generated in the crushing process can be reduced through the middle end pushing spring C6-12.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.