CN113927544A

CN113927544A - High stability electron dropout electric hammer

Info

Publication number: CN113927544A
Application number: CN202111321090.0A
Authority: CN
Inventors: 姜肖军; 胡靖铭; 何群英; 单新珍; 姜长勇
Original assignee: Zhejiang Jingli Tools Co ltd
Current assignee: Zhejiang Jingli Tools Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-01-14
Anticipated expiration: 2041-11-09
Also published as: CN113927544B

Abstract

The invention discloses a high-stability electronic tripping electric hammer, which comprises a shell, a cylinder body and a deflector rod, wherein a floating ball capable of detecting the horizontal state of the electric hammer is arranged on the shell, the floating ball is connected with a slide rheostat through a pull rope, a slide block matched with the floating ball is arranged on the slide rheostat, an electromagnet connected with the slide rheostat is arranged in the cylinder body, and a collision block repellent to the electromagnet is arranged on the cylinder body.

Description

High stability electron dropout electric hammer

Technical Field

The invention relates to the technical field of electric hammers, in particular to a high-stability electronic tripping electric hammer.

Background

The electric hammer is an electric rotary hammer drill with a safety clutch and a pneumatic hammering mechanism. The electric hammer utilizes the principle of piston motion to compress gas to impact a drill bit so as to improve the punching efficiency; the existing electric hammer generally adopts constant air pressure to beat the drill bit, however, when a user lifts the drill bit to beat an upward inclined hole or a hole on a ceiling, the user generally needs to carry the electric hammer to operate, the user needs to overcome the gravity of the electric hammer and apply certain pressure to the drill bit to smoothly drill, and at the moment, the efficiency of the user when the user uses the common electric hammer to drill holes on the ceiling and the like is greatly reduced compared with the efficiency when the user drills holes on the common scene, and the user consumes larger physical strength.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the high-stability electronic tripping electric hammer.

In order to solve the technical problems, the invention is solved by the following technical scheme: a high-stability electronic tripping electric hammer comprises a shell, a cylinder body and a deflector rod.

In the above scheme, preferably, the casing is provided with a floating ball capable of detecting the horizontal state of the electric hammer, the floating ball is connected with a sliding rheostat through a pull rope, the sliding rheostat is provided with a sliding block matched with the floating ball, the cylinder body is internally provided with an electromagnet connected with the sliding rheostat, and the cylinder body is provided with a collision block repellent to the electromagnet, so that the electric hammer has the advantages that: the device for detecting the horizontal state of the electric hammer through the floating ball is provided, and meanwhile, the hammering force of the striking block on the drill bit is adjusted through horizontal change.

In the above scheme, it is preferred, be equipped with the horizontal pipe on the casing, the floater is located in the horizontal pipe, be equipped with liquid in the horizontal pipe, first hole body has been seted up to horizontal pipe one end, the floater is connected to stay cord one end, and the other end is worn to establish and links to each other with the slider behind the first hole body, and its beneficial effect lies in: the specific arrangement mode of the floating ball is provided, so that the floating ball has the function of horizontal detection, and meanwhile, the floating ball can pull the pull rope to enable the sliding block to slide.

In the above scheme, it is preferable that the slide rheostat is arranged on the shell, the slide rheostat comprises a sliding block, a support, a sliding rod and a coil, the sliding block is arranged on the sliding rod, a first spring is arranged between the sliding block and the support, a connecting piece matched with the coil is arranged on the sliding block, a first connecting point is arranged on the sliding rod, a second connecting point is arranged on the coil, a second hole matched with the pull rope is arranged on the sliding block, and the slide rheostat has the advantages that: a specific structure of a sliding rheostat is provided, so that the sliding rheostat can be matched with a floating ball to change the current passing through the sliding rheostat.

In the above-mentioned scheme, it is preferred, the cylinder body links to each other with the driving lever, the electro-magnet sets firmly in the cylinder body, the electro-magnet passes through the cable and links to each other with power, first tie point and second tie point respectively, and its beneficial effect lies in: provides a specific connection mode of the electromagnet and the slide rheostat, so that the slide rheostat can control the magnetic force of the electromagnet through resistance change.

In the above scheme, it is preferred, the cylinder body tip slides and is equipped with and hits the piece with electro-magnet matched with, it is equipped with the magnet with the same polarity with the electro-magnet on hitting the piece, magnet slides and locates in the cylinder body, its beneficial effect lies in: provides a concrete structure of the collision block, so that the magnets on the collision block and the electromagnets have the same polarity and repel each other.

In the above-mentioned scheme, it is preferred, it is equipped with the gag lever post to hit the piece, the gag lever post is worn to establish and is set firmly the limiting plate behind the electro-magnet, and its beneficial effect lies in: the limiting device of the collision block is provided, so that the distance between the collision block and the electromagnet is always kept constant when the collision block does not work.

The invention has the beneficial effects that: the invention provides a device capable of adjusting the hammering force of a drill bit according to the inclination after the electric hammer inclines upwards, so that the efficiency of a user is higher when the user punches upwards, the physical strength of the user is saved, and the use stability of the electric hammer is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention.

Fig. 2 is a partially enlarged schematic view of the present invention.

Fig. 3 is a schematic view of a slide rheostat of the present invention.

Fig. 4 is a schematic structural view of the cylinder body of the invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-4, a high-stability electronic tripping electric hammer comprises a housing 1, a cylinder 2 and a shift lever 3, wherein the cylinder 2 is transversely slidably disposed in the housing 1, a sliding pin matched with the shift lever 3 is disposed at the right end of the cylinder 2, the shift lever 3 is matched with the sliding pin at the right end of the cylinder 2 in the prior art, and redundant description is omitted here, and the shift lever 3 is also in the prior art and is used for shifting the cylinder 2 to enable the cylinder 2 to transversely slide and then to be matched with a drill bit, so that the cylinder 2 strikes the end of the drill bit to achieve a hammering effect.

Be equipped with cylindrical cavity in the

cylinder body

2, 2 middle part cavities of cylinder body internal stability have electro-magnet 7, electro-magnet 7 is annular magnet, 2 left end openings of cylinder body department slide be equipped with electro-magnet 7 matched with hit piece 8, it has set firmly magnet 81 to hit piece 8 to be close to electro-magnet 7 one side, the preferred overall dimension of magnet 81 and the unanimous annular magnet of electro-magnet 7, magnet 81 is the same with electro-magnet 7 polarity, is N utmost point or S utmost point promptly, consequently has the repulsion force when magnet 81 and electro-magnet 7 circular telegram are close to.

It is provided with gag lever post 82 to extending on one side of being close to electro-magnet 7 to hit piece 8, magnet 81 cover is located on gag lever post 82 and a lateral surface and is collided piece 8 and laminate mutually, gag lever post 82 wears to establish electro-magnet 7 right and has set firmly limiting plate 83, limiting plate 83 leans on mutually with electro-magnet 7 right-hand member when magnet 81 and electro-magnet 7 repel each other, it is preferred hard wear-resisting rubber to hit piece 8, also can choose for use wear-resisting materials such as engineering plastics, makes to hit piece 8 and drill bit striking back more wear-resisting.

The casing 1 is provided with a slide rheostat 6 connected with the electromagnet 7, the slide rheostat 6 comprises a sliding block 61, a bracket 62, a sliding rod 63 and a coil 64, the sliding rod 63 and the coil 64 are arranged on the bracket 62 in parallel, the sliding block 61 is arranged on the sliding rod 63 in a sliding manner, a connecting sheet 66 in contact with the coil 64 is arranged on the sliding block 61, the connecting sheet 66 is a conductive sheet, a first spring 65 is sleeved on the sliding rod 63, two ends of the first spring 65 are respectively abutted against the sliding block 61 and the bracket 62 at one side, the first spring 65 is arranged at one side, close to the drill bit, of the sliding block 61, a first connecting point 67 is arranged at one end, close to the first spring 65, of the coil 64 is provided with a second connecting point 68 at one end, the first connecting point 67 and the second connecting point 68 are arranged in parallel, the electromagnet 7 is connected with a power supply through a cable and then is connected with the first connecting point 67 and the second connecting point 68, that is, the electromagnet 7, the power source and the slide rheostat 6 are connected in series, and when the slider 61 compresses the first spring 65, the connecting piece 66 slides toward the drill, so that the resistance of the circuit passing through the slide rheostat 6 is reduced, and the current is increased when the voltage is not changed, thereby increasing the magnetic force of the electromagnet 7.

The casing 1 is provided with a floating ball 4 matched with the slide rheostat 6, the floating ball 4 is arranged in a horizontal tube 11, the horizontal tube 11 is a sealed tube, liquid is injected into the horizontal tube 11, the floating ball 4 is arranged in the liquid, the horizontal tube 11 is arranged on the left side of the slide rheostat 6, namely, the horizontal tube is close to one side of a drill bit, a pull rope 5 is arranged on the floating ball 4, one end of the pull rope 5 is fixedly arranged on the floating ball 4, the other end of the pull rope is connected with a sliding block 61 after penetrating through a first hole 12 arranged at the right end of the horizontal tube 11, the sliding block 61 is arranged on a second hole 69 connected with the pull rope 5, and the pull rope 5 is preferably riveted with the second hole 69.

The pull rope 5 and the first hole body 12 are arranged in a sliding mode, a sealing ring is arranged on the first hole body 12, liquid cannot leak when the pull rope 5 slides, the horizontal pipe 11 and the drill bit are preferably arranged horizontally, when the drill bit 11 horizontally punches, the floating ball 4 is arranged in the middle of the horizontal pipe 11, when the drill bit inclines upwards, the floating ball 4 floats towards the left end of the horizontal pipe 11 in the horizontal pipe 11 under the action of buoyancy, the sliding block 61 slides by pulling the pull rope 5 when the floating ball 4 floats, and the resistance of the sliding rheostat 6 is adjusted when the sliding block 61 slides, so that the magnetic force of the electromagnet 7 is increased.

The drilling machine is characterized in that a motor 101 is arranged in the shell 1, the motor 101 is connected with an output shaft 102 through gear transmission, an electronic tripping device is arranged on the output shaft 102 and comprises a detection block 103 and a clutch 104, when a drill bit is subjected to large torsion, the detection block 103 is separated from the clutch 104, and the detection block 103 is triggered to enable the motor to be protected in a power-off mode.

The method for using the high-stability electronic tripping electric hammer comprises the following steps: when the drill bit horizontally punches, the floating ball 4 is positioned in the middle of the horizontal pipe 11, the pull rope 5 is not stressed at the moment, the first spring 65 freely stretches to enable the sliding block 61 to slide rightwards, the resistance of the electromagnet 7 passing through the sliding rheostat 6 is larger at the moment, the current of the electromagnet 7 is reduced, the magnetic force is reduced, the repulsive force between the electromagnet 81 and the electromagnet is in a smaller state, the cylinder body 2 slides to enable the collision block 8 to collide the drill bit with smaller force because the repulsive force is smaller, and a user can complete punching only by slightly pushing the drill bit; when the drill bit obliquely upwards drills an inclined hole or vertically drills a hole in a ceiling, at the moment, a user not only needs to slightly push the drill bit to drill, but also needs to overcome the gravity of the electric hammer, at the moment, the floating ball 4 slides towards the left end under the action of buoyancy, the floating ball 4 pulls the pull rope 5 to enable the sliding block 61 to compress the first spring 65, at the moment, the resistance of the sliding rheostat 6 is reduced, the current of the electromagnet 7 is increased under the condition that the voltage is not changed, the magnetic force of the electromagnet 7 is increased, the repulsive force of the electromagnet 7 to the magnet 81 is also increased, when the sliding stroke of the cylinder body 2 is not changed, the counterforce generated by the collision of the collision block 8 and the drill bit is larger, namely, the impact force received by the drill bit is larger, after the impact force is increased, the depth of the drill bit to the ceiling is more efficient, the punching efficiency is improved, the punching time is shortened after the punching efficiency is improved, and the physical strength of the user is saved.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a high stability electron dropout electric hammer, includes casing (1), cylinder body (2) and driving lever (3), its characterized in that: the electric hammer detection device is characterized in that a floating ball (4) capable of detecting the horizontal state of an electric hammer is arranged on the shell (1), the floating ball (4) is connected with a sliding rheostat (6) through a pull rope (5), a sliding block (61) matched with the floating ball (4) is arranged on the sliding rheostat (6), an electromagnet (7) connected with the sliding rheostat (6) is arranged in the cylinder body (2), and a collision block (8) repelled with the electromagnet (7) is arranged on the cylinder body (2).

2. The high stability electronic trip electric hammer of claim 1, wherein: the improved floating ball type water pump is characterized in that a horizontal pipe (11) is arranged on the shell (1), the floating ball (4) is arranged in the horizontal pipe (11), liquid is arranged in the horizontal pipe (11), a first hole body (12) is formed in one end of the horizontal pipe (11), the floating ball (4) is connected to one end of the pull rope (5), and the other end of the pull rope is connected with the sliding block (61) after penetrating through the first hole body (12).

3. The high stability electronic trip electric hammer of claim 1, wherein: the slide rheostat (6) is arranged on the shell (1), the slide rheostat (6) comprises a sliding block (61), a support (62), a sliding rod (63) and a coil (64), the sliding block (61) is arranged on the sliding rod (63), a first spring (65) is arranged between the sliding block (61) and the support (62), a connecting piece (66) matched with the coil (64) is arranged on the sliding block (61), a first connecting point (67) is arranged on the sliding rod (63), and a second connecting point (68) is arranged on the coil (64).

4. A high stability electronic trip electric hammer in accordance with claim 3, wherein: and a second hole body (69) matched with the pull rope (5) is arranged on the sliding block (61).

5. A high stability electronic trip electric hammer in accordance with claim 3, wherein: the cylinder body (2) is connected with the shifting rod (3), the electromagnet (7) is fixedly arranged in the cylinder body (2), and the electromagnet (7) is respectively connected with the power supply, the first connecting point (67) and the second connecting point (68) through cables.

6. The high stability electronic trip electric hammer of claim 1, wherein: the end part of the cylinder body (2) is slidably provided with a collision block (8) matched with the electromagnet (7), the collision block (8) is provided with a magnet (81) with the same polarity as the electromagnet (7), and the magnet (81) is slidably arranged in the cylinder body (2).

7. The high stability electronic trip electric hammer of claim 6, wherein: the collision block (8) is provided with a limiting rod (82), and the limiting rod (82) is fixedly provided with a limiting plate (83) after penetrating through the electromagnet (7).