CN210389104U - Pneumatic valve type concrete crushing impact hammer - Google Patents

Abstract

The utility model provides a pneumatic valve type concrete smashing impact hammer, which comprises a shell, a hole is arranged on the cylindrical side surface of the lower half part of the shell, a storage battery is arranged on the right side of the square of the upper half part of the shell, the impact hammer in a cylinder is connected with a connecting rod, a damping device is fixedly arranged in the cylindrical lower half part of the shell below the connecting rod through screws, the damping device is arranged in the shell, a spring is arranged in the damping device, when a pickaxe drill moves up and down, the spring can be contacted with transverse blocks arranged on two sides of the pickaxe drill to generate buffering force, the buffering force can reduce the recoil force caused by the up-and-down movement of the pickaxe drill, a disc is arranged on the outer side of the shell, the disc is in a screen mesh-shaped circular disc shape, the disc can prevent splashed cement blocks from injuring people and can enable the pickaxe drill to see the area of a cement ground needing to be smashed in the work process, the working efficiency is ensured.

Description

Pneumatic valve type concrete crushing impact hammer

Technical Field

The utility model relates to a smash jump bit technical field, specifically be a pneumatic valve formula concrete crushing jump bit.

Background

A concrete crushing impact hammer is generally used in construction in a construction site, the concrete ground is required to be divided when the construction site is constructed, the concrete is added again after the ground is crushed to enable the ground to be flat, the general impact hammer is divided into pneumatic and electric, the pneumatic impact hammer is generally called a pneumatic pick, the pneumatic impact hammer performs up-and-down piston movement to achieve the purpose of crushing the cement ground, for example, a pneumatic pick (patent number: CN 208246730U) is disclosed in Chinese patent, a primary damping device and a secondary damping device are arranged in the pneumatic impact hammer, the recoil force of the pneumatic pick on the palm of workers when the pneumatic pick works can be reduced, but the problem that the pneumatic pick can generate small crushed stones when the pneumatic pick works cannot be solved, the workers can be hit, and in addition, the working efficiency of the pneumatic pick cannot be accelerated.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a pneumatic valve formula concrete crushing jump bit has solved the pneumatic pick and can splash some garrulous little stones in work, pounces the staff of construction, can't accelerate the work efficiency's of pneumatic pick problem in addition.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pneumatic valve formula concrete crushing percussion hammer, includes the shell, and the columniform side of shell the latter half is seted up porosely, and what the installation of the square right side of shell the upper half has the battery, and the connecting rod is being connected to the percussion hammer in the cylinder, and the columniform inside of the below shell the latter half of connecting rod has damping device through screw fixed mounting, and damping device includes: the shock absorption device comprises springs, a shock absorption shell and holes, wherein the shock absorption shell is cylindrical, the size of the shock absorption shell is the same as that of the cylindrical inner part of the lower half part of the shell, the holes are formed in the upper wall surface and the lower wall surface of the shock absorption shell, a plurality of springs are arranged on the upper wall surface and the lower wall surface of the shock absorption shell, the springs on the upper wall surface are not in contact with the springs on the lower wall surface, a gap is formed in the middle of the springs, a small box body is arranged on the cylindrical outer side of the lower half part of the shell, a motor is arranged inside the right side of the small box body, the motor is fixedly arranged on the left inner wall surface inside the small box body through screws, the motor is connected with a storage battery through wires in the inner wall of the shell, the storage battery is in telecommunication connection with a switch of a handle, a bevel gear is connected to a transmission shaft of the motor, the small gear is meshed with the helical gear, one part of the small gear extends into the shell through a hole on the left side of the small box body and a hole on the lower half part of the shell, a circular groove is formed in the bottom surface of the lower end of the connecting rod, a bearing is fixedly installed in the groove and is a rotating bearing, a pick drill rod is installed in an inner shaft of the bearing in a clamped and installed mode, the pick drill rod is cylindrical, a cylindrical protruding block is arranged at the upper end of the pick drill rod and is the same as the inner shaft of the bearing in size, the pick drill rod is connected with the inner shaft of the bearing in a clamped and connected mode through the protruding block, cross rods are installed on two sides of the upper half part of the pick drill rod and are fixedly installed on two sides of the pick drill rod through welding, the cross rods are rectangular blocks, the size of the pick drill rod and the two cross rods is the same as that of the hole formed in the damping shell, the pick drill rod can, the bull gear is through welding and pick borer fixed connection together, when the pick borer blocked with the connecting rod through the protruding piece of top, the bull gear can mesh with the pinion, the bottom of pick borer sets up has the drill bit, the centre of drill bit is conical and there is triangular toper around the cylindrical drill bit of drill bit, the below of the cylindrical outside little box of the latter half of shell sets up has the disc, the disc is through the welding installation in the outside of shell, the disc is the netted circular disk of sieve.

Preferably, the shell is hollow, the upper half part of the shell is square, the middle part of the shell is trapezoidal, the lower half part of the shell is cylindrical, and holes are formed in the cylindrical side surface of the lower half part of the shell.

Preferably, a small handle is arranged above the cylindrical side opening of the lower half part of the shell, and the handle is connected to the upper part of the shell through a screw.

Preferably, an air pipe and a switch are arranged in the handle, a baffle plate for controlling compressed air to enter and exit is arranged in the air pipe, a gas distribution mechanism is arranged in the square of the upper half part of the shell, and a cylinder is connected below the gas distribution mechanism.

Preferably, the small box body is a square box body with a hollow inner part, a hole is formed in the left side of the small box body, and the size of the hole is the same as that of the lower half part of the shell.

Preferably, the hole is formed by a circular opening and two square openings on both sides of the circular opening.

(III) advantageous effects

The utility model provides a pneumatic valve formula concrete crushing jump bit. The method has the following beneficial effects:

(1) a pneumatic valve type concrete crushing impact hammer is characterized in that a shell is lifted up through a handle and a small handle, the two handles can better enable a construction worker to master a pneumatic pick, then a drill bit of the pneumatic pick is aligned to a cement area needing to be crushed, the drill bit abuts against the bottom surface, then the handle is opened and closed, gas of a compressed gas pipe connected with the outside can be opened along with the opening and closing of the handle, the gas flows to a gas distribution mechanism along the gas pipe in the handle, the gas distribution mechanism processes the compressed gas and sends the gas to a cylinder, the pneumatic hammer in the cylinder carries out piston motion to drive the impact hammer to impact a connecting rod, the vertical motion of the connecting rod can drive the vertical motion of the pneumatic pick, then a motor in a small box outside the shell starts to work through electric power given by a storage battery, the motor drives a bevel gear to rotate, the bevel gear can drive a pinion to drive the gear, the rotation of gear wheel can drive the pick borer rotatory, because the pick borer is connected through the bearing with the connecting rod, so when the pick borer is rotatory, the interior axle of the bearing of installation also can follow the rotation on the connecting rod, but the outer axle of connecting rod and bearing can not be rotatory, can rotate when owing to the pick borer up-and-down motion, so the rotatory torsion of production can be so that when smashing cement quicker.

(2) The utility model provides a pneumatic valve formula concrete crushing percussion hammer, the inside of shell sets up there is damping device, the spring that has that damping device sets up, the spring is in pick borer up-and-down motion, the spring can contact with the horizontal pole of pick borer both sides installation, produce the buffer power, the recoil that causes when such buffer power can reduce pick borer up-and-down motion, reach the effect of alleviating the vibrations power, the disc of the outside setting of shell, the disc is the netted circular shape disc of sieve, such design of disc can be so that at the in-process of smashing cement, the disc can block the cement piece that splashes and prevent to pound and hinder the people, the design of disc screen cloth can let the pick borer can see the region that needs kibbling cement ground when work, guarantee work efficiency.

Drawings

FIG. 1 is a schematic perspective view of a crushing impact hammer;

FIG. 2 is a front cross-sectional structural schematic view of a reducing impact hammer;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic perspective view of the connecting rod;

FIG. 5 is a schematic perspective view of a pick rod;

figure 6 is a top view of the shock shell.

In the figure: the device comprises a shell 1, a storage battery 2, a handle 3, a handle 4, a box 5, a disk 6, a pickaxe drill rod 7, a connecting rod 8, a bearing 9, a motor 10, a connecting bearing 11, a rotating shaft 12, a pinion 13, a convex block 14, a cross rod 15, a bull gear 16, a drill bit 17, a spring 18, a damping shell 19, a hole 20 and a bevel gear 21.

Detailed Description

As shown in fig. 1-6, the utility model provides a technical solution: a pneumatic valve type concrete crushing impact hammer comprises a shell 1, wherein the shell 1 is hollow inside, the upper half part of the shell 1 is square, the middle part of the shell 1 is trapezoidal, the lower half part of the shell 1 is cylindrical, a hole is formed in the cylindrical side surface of the lower half part of the shell 1, a storage battery 2 is arranged on the right side of the upper half part of the square of the shell 1, the storage battery 2 is rechargeable, a handle 3 is connected with the upper part of the shell 1 through a screw, a small handle 4 is arranged above the hole formed in the cylindrical side surface of the lower half part of the shell 1, the handle 3 and the small handle 4 are used for facilitating taking, placing and using of the utility model, an air pipe and a switch are arranged in the handle 3, a baffle plate for controlling compressed air to enter and exit is arranged in the air pipe, the baffle plate is controlled by the switch of the handle 3, and a gas distribution mechanism is arranged, air distribution mechanism is connected with the trachea in the handle 3, and air distribution mechanism is the same with current pneumatic pick air distribution mechanism, does not describe here, and the cylinder is the same with current pneumatic pick cylinder structure, does not describe here, and connecting rod 8 is being connected to the jump bit in the cylinder, and connecting rod 8 is columniform, and the columniform inside of the below shell 1 the latter half of connecting rod 8 has damping device through screw fixed mounting, and damping device includes: spring 18, shock attenuation shell 19 and hole 20, shock attenuation shell 19 is cylindrical, the size of shock attenuation shell 19 is the same with the cylindrical inside of the lower half of shell 1, the hole 20 that the upper wall face and the lower wall face of shock attenuation shell 19 seted up, hole 20 comprises a circular opening and two square openings, two square openings are in the both sides of circular opening, the upper wall face and the lower wall face installation of the inside of shock attenuation shell 19 have a plurality of springs 18, spring 18 evenly distributes in the upper and lower wall face of shock attenuation shell 19, and spring 18 of the upper wall face of shock attenuation shell 19 and spring 18 of the lower wall face of shock attenuation shell 19 do not contact, there is the space between spring 18 of the upper wall face of shock attenuation shell 19 and spring 18 of the lower wall face of shock attenuation shell 19, the cylindrical outside of shell 1 sets up has little box 5, little box 5 passes through the screw fixed mounting in the lower half of shell 1, the small box body 5 is a square box body with a hollow inner part, the left side of the small box body 5 is provided with a hole, the size of the hole is the same as that of the hole at the lower half part of the shell 1, the right side of the small box body 5 is internally provided with a motor 10, the motor 10 is fixedly arranged on the inner wall at the left side of the inner part of the small box body 5 through screws, the motor 10 is connected with a storage battery 2 through an electric wire in the inner wall of the shell 1, the storage battery 2 is in telecommunication connection with a switch of a handle 3, the switch of the handle 3 can control an opening circuit and a closing circuit of the storage battery 2, a helical gear 21 is connected on a rotating shaft of the motor 10, a connecting bearing 11 is arranged at the left side of the upper wall surface of the small box body 5, the connecting bearing 11 is fixedly arranged in the small box body 5 through welding, an inner shaft of the connecting bearing 11 is connected with a rotating shaft 12 through, the pinion 13 is meshed with the bevel gear 21, a part of the pinion 13 extends into the shell 1 through a hole on the left side of the small box body 5 and a hole on the lower half part of the shell 1, the motor 10 drives the bevel gear 21 to rotate, the bevel gear 21 can drive the pinion 13, a circular groove is formed in the bottom surface of the lower end of the connecting rod 8, a bearing 9 is fixedly installed in the groove, the bearing 9 is a rotating bearing, an inner shaft of the bearing 9 is clamped and installed with a pick rod 7, the pick rod 7 is cylindrical, a cylindrical raised block 14 is arranged at the upper end of the pick rod 7, the raised block 14 is the same as the inner shaft of the bearing 9, the pick rod 7 is clamped and connected with the inner shaft of the bearing 9 through the raised block 14, cross rods 15 are installed on two sides of the upper half part of the pick rod 7, the cross rods 15 are fixedly installed on two sides of the pick rod 7 through welding, the cross rods 15 are rectangular blocks, the pick rod 7 and the two cross rods 15 are the same as the hole 20 formed, the pick drill 7 can be put into the damping shell 19 through the hole 20, when the pick drill 7 is put into the damping shell 19, the cross rod 15 is positioned in the gap between the upper wall spring and the lower wall spring of the damping shell 19, the big gear 16 is arranged in the middle of the pick drill 7, the big gear 16 is fixedly connected with the pick drill 7 through welding, when the pick drill 7 is clamped and held with the inner shaft of the bearing 9 on the connecting rod 8 through the upper convex block 14, the big gear 16 is engaged with the small gear 13, the bottom end of the pick drill 7 is provided with the drill bit 17, the middle of the drill bit 17 is conical, the periphery of the cylindrical drill bit of the drill bit 17 is provided with a triangular cone, the drill bit 17 is arranged in such a way that the crushing efficiency is faster, the disc 6 is arranged below the cylindrical outer small box body 5 on the lower half part of the shell 1, and the disc 6 is installed on the outer side of the shell 1 through welding, the disc 6 is a screen-shaped circular disc, the disc 6 can block splashed cement blocks to prevent people from being injured by smashing in the process of smashing cement due to the design of the disc 6, and the area of a cement ground needing to be smashed can be seen by the pick drill 7 due to the design of the disc 6 screen, so that the working efficiency is guaranteed.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows:

in the first step, the housing is first lifted by the handle 3, and the compressed air tube is inserted through the opening of the handle 3.

And secondly, the switch on the handle 3 is turned on, and compressed gas can enter the gas distribution mechanism through the handle 3 and enters the cylinder from the gas distribution mechanism.

And thirdly, connecting a pneumatic hammer of the cylinder with a connecting rod 8 to drive the connecting rod 8 to move, connecting the connecting rod 8 with a pickaxe drill rod 7 to drive the pickaxe drill rod 7 to move, simultaneously connecting a switch on the handle 3 with the storage battery 2, enabling the storage battery 2 to supply electric power to the motor 10, and enabling the motor 10 to work.

Fourthly, the motor 10 drives the bevel gear 21 to rotate, the bevel gear 21 can drive the pinion gear 13 to drive, the pinion gear 13 drives the bull gear 16 to rotate, the rotation of the bull gear 16 can drive the pick rod 7 to rotate, the sizes of the gears are different, but the tooth pitches on the gears are the same, so that the rotating speed of the pinion gear 13 is larger than that of the bull gear 16, the rotating speed of the bull gear 16 is slowly increased, the pick rod 7 is connected with the connecting rod 8 through the bearing 9, when the pick rod 7 rotates, the inner shaft of the bearing 9 mounted on the connecting rod 8 can also rotate correspondingly, but the inner shafts of the connecting rod 8 and the bearing 9 cannot rotate.

And fifthly, the drill bit 17 is aligned to the cement ground to be crushed for crushing.

Claims (6)

1. The utility model provides a pneumatic valve formula concrete crushing percussion hammer, includes shell (1), its characterized in that: the installation on the first half right side of shell (1) has battery (2), and connecting rod (8) are being connected to the jump bit in the cylinder, and the inside fixed mounting damping device of the below shell (1) the latter half of connecting rod (8), damping device includes: spring (18), shock attenuation shell (19) and hole (20), the upper wall face and the porose (20) that the lower wall face was seted up of shock attenuation shell (19), what the columniform outside of shell (1) the latter half set up has little box (5), the circular shape recess has been seted up on the bottom surface of the lower extreme of connecting rod (8), fixed mounting has bearing (9) in the recess, the interior axle inside callipers of bearing (9) and the installation have pick borer (7), what the bottom of pick borer (7) set up has drill bit (17), what the below of the columniform outside of the latter half of shell (1) set up has disc (6).

2. A gas valve type concrete crushing impact hammer according to claim 1, characterized in that: the damping shell (19) is cylindrical, the size of the damping shell (19) is the same as the cylindrical interior of the lower half portion of the shell (1), the springs (18) are mounted on the upper wall surface and the lower wall surface inside the damping shell (19), the springs (18) on the upper wall surface inside the damping shell (19) are not in contact with the springs (18) on the lower wall surface inside the damping shell (19), and a gap is formed in the middle of the springs.

3. A gas valve type concrete crushing impact hammer according to claim 1, characterized in that: the motor (10) is arranged inside the right side of the small box body (5), the transmission shaft of the motor (10) is connected with the bevel gear (21), the left side of the upper wall surface of the small box body (5) is provided with the connecting bearing (11), the rotating shaft (12) is arranged below the connecting bearing (11), the lower part of the rotating shaft (12) is connected with the pinion (13), the pinion (13) is meshed with the bevel gear (21), and one part of the pinion (13) extends into the shell (1) through the hole in the left side of the small box body (5) and the hole in the lower half part of the shell (1).

4. A gas valve type concrete crushing impact hammer according to claim 1, characterized in that: the pickaxe drill rod (7) is clamped and connected with an inner shaft of a groove inner bearing (9) of the connecting rod (8) through the convex block (14), cross rods (15) are arranged on two sides of the upper half part of the pickaxe drill rod (7), and the size of the pickaxe drill rod (7) and the size of the two cross rods (15) are the same as that of a hole (20) formed in the shock absorption shell (19).

5. A gas valve type concrete crushing impact hammer according to claim 1, characterized in that: the pick drill rod (7) is fixedly connected with the gear wheel (16) through welding.

6. A gas valve type concrete crushing impact hammer according to claim 1, characterized in that: the disc (6) is installed on the outer side of the shell (1) through welding, and the disc (6) is in a screen-shaped circular disc shape.

Images