CN216782299U

CN216782299U - Concrete chiseling machine

Info

Publication number: CN216782299U
Application number: CN202122220457.1U
Authority: CN
Inventors: 卞正军
Original assignee: Yancheng Kindergarten Teachers College
Current assignee: Yancheng Kindergarten Teachers College
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-06-21
Anticipated expiration: 2031-09-14

Abstract

The utility model belongs to the technical field of chiseling machines, and particularly relates to a concrete chiseling machine which comprises a power mechanism, a protection mechanism and a handle, wherein the protection mechanism is arranged below the power mechanism and is sleeved at the lower end of the power mechanism, the protection mechanism is fixedly connected with the power mechanism, the handle is arranged on one side of the protection mechanism, and one end of the handle is fixedly connected with the side wall of the protection mechanism. When the pneumatic rod moves up and down, the air bag is compressed and stretched, so that the air bag sucks air through the upper one-way air inlet valve and exhausts air through the one-way exhaust valve at the bottom, so that dust generated below the air bag is blown away, and the condition that the dust enters the inside of equipment along the pneumatic rod to cause blockage is prevented; when the chiseling machine generates vibration during operation, the force of the vibration is offset by the damping spring on the damping sleeve when the force of the vibration reaches the holding rod, so that the vibration transmitted to the arm of a person is weakened, and the arm of the person is protected.

Description

Concrete chiseling machine

Technical Field

The utility model relates to the technical field of chiseling machines, in particular to a concrete chiseling machine.

Background

The chiseling machine is a tool similar to a 'chopping axe' for treating a finished main structure surface to firmly bond construction surfaces of two construction stages. The chiseling machine is generally applied to a cast-in-place concrete structure, and after a cast-in-place slab is poured, chiseling is carried out to pour the next layer of concrete so as to firmly bond the concrete. The chiseling machine can be roughly divided into the following working modes: hand-held, hand-pushed, hand-held, and airborne.

When a common handheld roughening machine conducts roughening operation, a large amount of fine fragments and dust are generated by broken concrete and easily enter the interior of the roughening machine along a shaft lever of the roughening machine, and the shaft lever of the roughening machine is easily blocked after a long time, so that the shaft lever of the roughening machine is not smoothly operated; in addition, because the front end of the chiseling machine vibrates greatly during operation, when a person holds the machine for a long time, fatigue is easy to generate, and even the arm is easy to damage due to too long vibration.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a concrete chiseling machine which has the characteristics of automatically cleaning ash and reducing the influence of vibration.

In order to achieve the purpose, the utility model provides the following technical scheme: a concrete chiseling machine comprises a power mechanism, a protection mechanism and a handle, wherein the protection mechanism is arranged below the power mechanism, the protection mechanism is sleeved at the lower end of the power mechanism and is fixedly connected with the power mechanism, the handle is arranged on one side of the protection mechanism, and one end of the handle is fixedly connected with the side wall of the protection mechanism.

As a preferable technical scheme of the concrete chiseling machine, the power mechanism comprises an air compressor, a pneumatic rod and a chisel head, the air compressor is fixed to the top of the protection mechanism, the pneumatic rod is arranged at the lower end of the air compressor, the upper end of the pneumatic rod is fixedly connected with a driving shaft of the air compressor, the chisel head is fixedly arranged at the lower end of the pneumatic rod, and the pneumatic rod penetrates through the protection mechanism.

As a preferred technical scheme of the concrete chiseling machine, the protection mechanism comprises a protection shell, a one-way air inlet valve, an air hole, an air bag and a one-way exhaust valve, the protection shell is located right below an air compressor, the top surface of the protection shell is fixedly connected with the bottom surface of the air compressor, the one-way air inlet valve is arranged inside the upper end of the protection shell, the air hole is arranged outside the one-way air inlet valve, the upper end of the air hole penetrates through the top of the protection shell, the air bag is arranged below the air hole and fixed inside the protection shell, the lower end of the air hole penetrates through the top of the air bag, the air bag is fixedly sleeved on a pneumatic rod, the one-way exhaust valve is arranged in the middle of the bottom surface of the air bag, and the one-way exhaust valve is sleeved on the pneumatic rod.

According to the preferable technical scheme of the concrete chiseling machine, the one-way air inlet valve comprises an air inlet, a baffle, a first connecting rod, a clamping plate, a first compression spring and a first fixing plate, the air inlet is fixed to the top surface of the protective shell and is communicated with the air hole, the baffle is arranged below the air inlet, the first connecting rod is fixedly arranged on the bottom surface of the baffle, the clamping plate is fixedly arranged at the bottom of the first connecting rod, the first compression spring is arranged on the outer side of the first connecting rod, the upper end of the first compression spring is fixedly connected with the baffle, the first fixing plate is fixedly arranged at the lower end of the first compression spring and is fixed to the inner wall of the air hole, and the first connecting rod penetrates through the first fixing plate.

As a preferred technical scheme of the concrete chiseling machine, the one-way exhaust valve comprises a fixed inner ring, an inner clamping groove, a second fixing plate, a fixed outer ring, an outer clamping groove, a second connecting rod, a clamping ring, a baffle ring and a second compression spring, the fixed inner ring is fixedly sleeved on a pneumatic rod, the inner clamping groove is formed in the outer side of the bottom surface of the fixed inner ring, the second fixing plate is fixedly arranged on the outer wall of the fixed inner ring, one end of the second fixing plate is fixedly connected with the fixed inner ring, the other end of the second fixing plate is fixedly provided with the fixed outer ring, the fixed outer ring is fixed on the bottom surface of an air bag, the outer clamping groove is formed in the bottom surface of the fixed outer ring, the second connecting rod is arranged on the second fixing plate and penetrates through the second fixing plate, the clamping ring is fixedly arranged at the upper end of the second connecting rod and is positioned between the fixed inner ring and the fixed outer ring, the fixed fender ring that is equipped with of lower extreme of No. two connecting rods, the outside block that keeps off the ring is in outer draw-in groove, keep off including the inboard block of ring in the draw-in groove, the outside of No. two connecting rods is equipped with compression spring No. two, the bottom surface of No. two compression spring's upper end fixed connection snap ring, the top surface of No. two fixed plates of compression spring's lower extreme fixed connection No. two.

As the preferable technical scheme of the concrete chiseling machine, the grip comprises a holding rod and a damping sleeve, one end of the holding rod is fixed on the side wall of the protective shell, the damping sleeve is arranged in the middle of the holding rod, and the damping sleeve is fixedly connected with the holding rod.

As the preferable technical scheme of the concrete chiseling machine, the damping sleeve comprises a sleeve and a damping spring, the sleeve is located on the outer side of the middle of the holding rod, the damping spring is arranged on the inner side of the sleeve, one end of the damping spring is fixedly connected with the inner wall of the sleeve, and the other end of the damping spring is fixedly connected with the outer wall of the holding rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the air bag type air bag dust removal device is used, the air bag is fixed on the pneumatic rod when the chiseling machine runs, the air bag is compressed and stretched when the pneumatic rod moves up and down, so that the air bag sucks air through the upper one-way air inlet valve, and then the air bag exhausts through the one-way exhaust valve at the bottom, so that dust generated below the air bag dust removal device is blown away, and the dust is prevented from entering the interior of equipment along the pneumatic rod to cause blockage.

2. When the chiseling machine vibrates during operation, the vibration force is transferred to the holding rod, the vibration force is offset by the damping spring on the damping sleeve, so that the vibration transmitted to the arm of a person is weakened, and the arm of the person is protected.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of a one-way intake valve according to the present invention;

FIG. 4 is a cross-sectional view of a one-way exhaust valve according to the present invention;

fig. 5 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a power mechanism; 11. an air compressor; 12. a pneumatic rod; 13. chiseling a head; 2. a protection mechanism; 21. a protective housing; 22. a one-way intake valve; 221. an air inlet; 222. a baffle plate; 223. a first connecting rod; 224. clamping a plate; 225. a compression spring; 226. a first fixing plate; 23. air holes; 24. an air bag; 25. a one-way exhaust valve; 251. fixing the inner ring; 252. an inner clamping groove; 253. a second fixing plate; 254. fixing the outer ring; 255. an outer clamping groove; 256. a second connecting rod; 257. a snap ring; 258. a baffle ring; 259. a second compression spring; 3. a grip; 31. a holding rod; 32. a shock-absorbing sleeve; 321. a sleeve; 322. a shock-absorbing spring.

Detailed Description

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a concrete chiseling machine comprises a power mechanism 1, a protection mechanism 2 and a handle 3, wherein the protection mechanism 2 is arranged below the power mechanism 1, the protection mechanism 2 is sleeved at the lower end of the power mechanism 1, the protection mechanism 2 is fixedly connected with the power mechanism 1, the handle 3 is arranged on one side of the protection mechanism 2, and one end of the handle 3 is fixedly connected with the side wall of the protection mechanism 2.

Referring to fig. 1 and 2, specifically, the power mechanism 1 includes an air compressor 11, a pneumatic rod 12 and a chisel head 13, the air compressor 11 is fixed at the top of the protection mechanism 2, the pneumatic rod 12 is arranged at the lower end of the air compressor 11, the upper end of the pneumatic rod 12 is fixedly connected to a driving shaft of the air compressor 11, the lower end of the pneumatic rod 12 is fixedly provided with the chisel head 13, and the pneumatic rod 12 penetrates through the protection mechanism 2; protection machanism 2 includes protective housing 21, one-way admission valve 22, gas pocket 23, gasbag 24, one-way discharge valve 25, protective housing 21 is located air compressor 11 under, protective housing 21's top surface fixed connection air compressor 11's bottom surface, protective housing 21's the inside one-way admission valve 22 that is equipped with in upper end, one-way admission valve 22's the outside is equipped with gas pocket 23, the top of protective housing 21 is run through to gas pocket 23's upper end, the below of gas pocket 23 is equipped with gasbag 24, gasbag 24 fixes the inside at protective housing 21, the lower extreme of gas pocket 23 runs through the top of gasbag 24, gasbag 24 is fixed to cup joint on pneumatic stem 12, gasbag 24's bottom surface middle part is equipped with one-way discharge valve 25, one-way discharge valve 25 cup joints on pneumatic stem 12.

Referring to fig. 3 and 4, specifically, the one-way intake valve 22 includes an intake port 221, a baffle 222, a first connecting rod 223, a clamping plate 224, a first compression spring 225 and a first fixing plate 226, the intake port 221 is fixed on the top surface of the protective housing 21, the intake port 221 is connected to the air hole 23 in a penetrating manner, the baffle 222 is arranged below the intake port 221, the first connecting rod 223 is fixedly arranged on the bottom surface of the baffle 222, the clamping plate 224 is fixedly arranged at the bottom of the first connecting rod 223, the first compression spring 225 is arranged on the outer side of the first connecting rod 223, the upper end of the first compression spring 225 is fixedly connected to the baffle 222, the first fixing plate 226 is fixedly arranged at the lower end of the first compression spring 225, the first fixing plate 226 is fixed on the inner wall of the air hole 23, and the first connecting rod 223 penetrates through the first fixing plate 226; the one-way exhaust valve 25 comprises a fixed inner ring 251, an inner clamping groove 252, a second fixing plate 253, a fixed outer ring 254, an outer clamping groove 255, a second connecting rod 256, a clamping ring 257, a baffle ring 258 and a second compression spring 259, the fixed inner ring 251 is fixedly sleeved on the pneumatic rod 12, the inner clamping groove 252 is formed in the outer side of the bottom surface of the fixed inner ring 251, the second fixing plate 253 is fixedly arranged on the outer wall of the fixed inner ring 251, one end of the second fixing plate 253 is fixedly connected with the fixed inner ring 251, the other end of the second fixing plate 253 is fixedly provided with the fixed outer ring 254, the fixed outer ring 254 is fixed on the bottom surface of the air bag 24, the outer clamping groove 255 is formed in the bottom surface of the fixed outer ring 254, the second connecting rod 256 is arranged on the second fixing plate 253, the second connecting rod 256 penetrates through the second fixing plate 253, the clamping ring 257 is fixedly arranged at the upper end of the second connecting rod 256, the clamping ring 257 is positioned between the fixed inner ring 251 and the fixed outer ring 254, the lower end of the second connecting rod 256 is fixedly provided with the baffle ring 258, keep off the outside block of ring 258 in outer draw-in groove 255, keep off the inboard block of ring 258 in inner draw-in groove 252, the outside of No. two connecting rods 256 is equipped with No. two compression spring 259, the bottom surface of upper end fixed connection snap ring 257 of No. two compression spring 259, the top surface of No. two fixed plate 253 of lower extreme fixed connection of No. two compression spring 259, compress and stretch gasbag 24 when pneumatic stem 12 reciprocates, thereby make gasbag 24 breathe in through the one-way admission valve 22 of top, then exhaust by the one-way discharge valve 25 of bottom, thereby make the below add the dust that produces blow away, prevent that the dust from getting into the inside condition that leads to the jam of equipment along pneumatic stem 12.

Referring to fig. 2 and 5, in particular, the grip 3 includes a holding rod 31 and a shock-absorbing sleeve 32, one end of the holding rod 31 is fixed on the side wall of the protective casing 21, the middle of the holding rod 31 is provided with the shock-absorbing sleeve 32, and the shock-absorbing sleeve 32 is fixedly connected to the holding rod 31; damping sleeve 32 includes sleeve 321 and damping spring 322, sleeve 321 is located the middle part outside of holding rod 31, the inboard of sleeve 321 is equipped with damping spring 322, the inner wall of one end fixed connection sleeve 321 of damping spring 322, the outer wall of the other end fixed connection holding rod 31 of damping spring 322, when the bush hammer produced vibrations in the operation, when the power of vibrations reaches holding rod 31, the power of vibrations was offset partly by damping spring 322 on the damping sleeve 32, make the vibrations that convey personnel's arm weaken, thereby protect personnel's arm.

The utility model has the following use flow and working principle: when the utility model is used, firstly, the chiseling machine is taken out to start the chiseling machine, then a person holds the tail end of the holding rod 31 with one hand and holds the damping sleeve 32 with the other hand, when the chiseling machine operates to generate vibration, the vibration force is transmitted to the holding rod 31, the vibration force is counteracted by the damping spring 322 on the damping sleeve 32, so that the vibration transmitted to the arm of the person is weakened, thereby protecting the arm of the person, meanwhile, when the chiseling machine operates, the air compressor 11 drives the pneumatic rod 12 to move up and down rapidly, thereby driving the chisel head 13 to chisel the bottom surface, because the air bag 24 in the protective shell 21 is fixed on the pneumatic rod 12, when the pneumatic rod 12 moves up and down, the air bag 24 is compressed and stretched, when compressed, the air in the air bag 24 presses the one-way exhaust valve 25, so that the baffle ring 258 moves down, thereby exhausting air, blowing away the dust below, when stretching, the suction force is generated inside the air bag 24, the baffle 222 on the unidirectional air inlet valve 22 moves downwards, so that the air hole 23 is opened to suck the air above, the air bag 24 can continue to spray the air when being compressed, and therefore, the situation that dust enters the interior of the equipment along the pneumatic rod 12 to cause blockage is prevented.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a concrete chisel hair machine, includes power unit (1), protection machanism (2) and handle (3), its characterized in that: the protection mechanism is characterized in that a protection mechanism (2) is arranged below the power mechanism (1), the protection mechanism (2) is sleeved at the lower end of the power mechanism (1), the protection mechanism (2) is fixedly connected with the power mechanism (1), a handle (3) is arranged on one side of the protection mechanism (2), and one end of the handle (3) is fixedly connected with the side wall of the protection mechanism (2).

2. A concrete chisel machine as defined in claim 1, wherein: power unit (1) includes air compressor (11), pneumatic rod (12) and chisel head (13), the top at protection machanism (2) is fixed in air compressor (11), the lower extreme of air compressor (11) is equipped with pneumatic rod (12), the drive shaft of the upper end fixed connection air compressor (11) of pneumatic rod (12), the lower extreme of pneumatic rod (12) is fixed and is equipped with chisel head (13), pneumatic rod (12) run through protection machanism (2).

3. A concrete chisel machine as defined in claim 1, wherein: protection machanism (2) is including protecting sheathing (21), one-way admission valve (22), gas pocket (23), gasbag (24), one-way discharge valve (25), protecting sheathing (21) is located air compressor (11) under, the bottom surface of the top surface fixed connection air compressor (11) of protecting sheathing (21), the inside one-way admission valve (22) that is equipped with in upper end of protecting sheathing (21), the outside of one-way admission valve (22) is equipped with gas pocket (23), the top of protecting sheathing (21) is run through in the upper end of gas pocket (23), the below of gas pocket (23) is equipped with gasbag (24), gasbag (24) are fixed in the inside of protecting sheathing (21), the lower extreme of gas pocket (23) runs through the top of gasbag (24), gasbag (24) are fixed cup joint on pneumatic stem (12), the bottom surface middle part of gasbag (24) is equipped with one-way discharge valve (25), the one-way exhaust valve (25) is sleeved on the pneumatic rod (12).

4. A concrete chisel machine according to claim 3, wherein: the one-way air inlet valve (22) comprises an air inlet (221), a baffle (222), a first connecting rod (223), a clamping plate (224), a first compression spring (225) and a first fixing plate (226), the air inlet (221) is fixed on the top surface of the protective shell (21), the air inlet (221) is communicated with the air hole (23), the baffle (222) is arranged below the air inlet (221), the first connecting rod (223) is fixedly arranged on the bottom surface of the baffle (222), the clamping plate (224) is fixedly arranged at the bottom of the first connecting rod (223), the first compression spring (225) is arranged on the outer side of the first connecting rod (223), the upper end of the first compression spring (225) is fixedly connected with the baffle (222), the first fixing plate (226) is fixedly arranged at the lower end of the first compression spring (225), and the first fixing plate (226) is fixed on the inner wall of the air hole (23), the first connecting rod (223) penetrates through the first fixing plate (226).

5. A concrete chisel machine as defined in claim 3, wherein: the one-way exhaust valve (25) comprises a fixed inner ring (251), an inner clamping groove (252), a second fixing plate (253), a fixed outer ring (254), an outer clamping groove (255), a second connecting rod (256), a clamping ring (257), a baffle ring (258) and a second compression spring (259), the fixed inner ring (251) is fixedly sleeved on the pneumatic rod (12), the inner clamping groove (252) is formed in the outer side of the bottom surface of the fixed inner ring (251), the second fixing plate (253) is fixedly arranged on the outer wall of the fixed inner ring (251), one end of the second fixing plate (253) is fixedly connected with the fixed inner ring (251), the other end of the second fixing plate (253) is fixedly provided with a fixed outer ring (254), the fixed outer ring (254) is fixed on the bottom surface of the air bag (24), the outer clamping groove (255) is formed in the bottom surface of the fixed outer ring (254), the second connecting rod (256) is arranged on the second fixing plate (253), no. two connecting rod (256) run through No. two fixed plate (253), the fixed snap ring (257) that is equipped with in upper end of No. two connecting rod (256), snap ring (257) are located between fixed inner ring (251) and fixed outer loop (254), the fixed fender ring (258) that is equipped with of lower extreme of No. two connecting rod (256), keep off the outside block of ring (258) in outer draw-in groove (255), keep off draw-in groove (252) including the inboard block of ring (258), the outside of No. two connecting rod (256) is equipped with No. two compression spring (259), the bottom surface of upper end fixed connection snap ring (257) of No. two compression spring (259), the top surface of No. two fixed plate (253) of lower extreme fixed connection of No. two compression spring (259).

6. A concrete chisel machine as defined in claim 1, wherein: the handle (3) comprises a holding rod (31) and a damping sleeve (32), one end of the holding rod (31) is fixed on the side wall of the protective shell (21), the damping sleeve (32) is arranged in the middle of the holding rod (31), and the damping sleeve (32) is fixedly connected with the holding rod (31).

7. The concrete chisel machine of claim 6, wherein: shock attenuation cover (32) include sleeve (321) and damping spring (322), sleeve (321) are located the middle part outside of holding rod (31), the inboard of sleeve (321) is equipped with damping spring (322), the inner wall of one end fixed connection sleeve (321) of damping spring (322), the outer wall of the other end fixed connection holding rod (31) of damping spring (322).