CN211331455U - Pneumatic supporting leg type handheld drilling machine - Google Patents

Abstract

The utility model discloses a pneumatic landing leg formula handheld drill, include: the air storage cylinder is arranged on the clamping seat; driving motor inlays to establish the inner wall at the grip slipper and is connected with magnet magnetism, driving motor runs through the locating hole through the shaft coupling and is connected with the drilling rod transmission, the both sides outer wall symmetric welding of grip slipper has the handle, and the bottom welding of handle has the lifter that extends to the gas receiver inner chamber, two through the air duct intercommunication between the gas receiver, and the intercommunication has the air cock on the air duct, the bottom welding of gas receiver has the pressure flat board, and the drilling that is located the drilling rod outside is seted up to the inside of pressure flat board. The utility model discloses in, this handheld drilling machine adopts the bearing structure of combination formula, can enough play the effect of stabilizing the support to handheld drilling machine, also can the pneumatic drive's mode simultaneously, plays pneumatic pressurized mode to the drilling process of rig, can realize the effect of automatic drilling, and then has reduced operating personnel's work burden.

Description

Pneumatic supporting leg type handheld drilling machine

Technical Field

The utility model relates to a handheld rig technical field especially relates to a pneumatic landing leg formula handheld rig.

Background

The handheld drilling machine is mainly applied to construction operation of pressure relief drilling and hole drilling along hollow grouting under complex conditions, and due to the characteristics of large torque and high rotation speed, the handheld drilling machine plays a good pressure relief effect in field construction, and particularly needs to be used for drilling by a large number of handheld drilling machines when concrete is drilled.

However, the existing handheld drilling machine usually adopts a handheld structure, and can perform drilling treatment only by taking the handle with two hands and pressing down the handle, because the drilling machine has a certain weight, continuous irregular vibration influence can be generated when the drilling machine works, so that the drilling operation of the drilling machine can not be accurately realized by a manual holding mode, the phenomenon of drilling inclination is easy to occur, and the working efficiency of the handheld drilling machine is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the needs that exist among the prior art and operating personnel manual extrusion drills to the rig, takes place the shortcoming of drilling offset easily, and the handheld rig of a pneumatic landing leg formula that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a pneumatic legged hand-held drill comprising: the air storage cylinder is arranged on the clamping seat;

the driving motor is embedded in the inner wall of the clamping seat and is magnetically connected with the magnet;

the driving motor penetrates through the positioning hole through a coupling shaft and is in transmission connection with the drill rod;

handles are symmetrically welded on the outer walls of the two sides of the clamping seat, and a lifting rod extending to the inner cavity of the air cylinder is welded at the bottom of each handle;

the two air cylinders are communicated through an air duct, and an air nozzle is communicated with the air duct;

the bottom welding of gas receiver has the pressure flat board, and the inside of pressure flat board is seted up and is located the drilling in the drilling rod outside.

As a further description of the above technical solution:

the device also comprises a fastening pin;

the number of the fastening pins is three, and the three fastening pins are in annular shape and are screwed at the vertical end of the clamping seat in an equal-angle structure;

the inner wall of three the fastening pin all is provided with the clamping piece, and the clamping piece is arc smooth structure.

As a further description of the above technical solution:

the device also comprises a sleeve;

the sleeve is sleeved on the outer wall of the grip;

a metal braid is embedded in the inner wall of the sleeve;

the outer wall of the sleeve is stuck with a rubber ring.

As a further description of the above technical solution:

the device also comprises a transmission rod;

the overlooking section of the transmission rod is of a U-shaped structure;

and the parallel ends of the two sides of the transmission rod are respectively connected with the two lifting rods.

As a further description of the above technical solution:

the device also comprises a sawtooth block;

the number of the sawtooth blocks is a plurality, and the sawtooth blocks are arranged at the bottom of the pressing plate in a parallel structure;

the length of the outer wall of the lower end of the sawtooth block is smaller than that of the outer wall of the upper end of the sawtooth block.

As a further description of the above technical solution:

also comprises a sponge ring;

the sponge ring is embedded in the inner wall of the drill hole;

the outer wall of the sponge ring is in contact with the outer wall of the drill rod.

Advantageous effects

The utility model provides a pneumatic landing leg formula handheld drill. The method has the following beneficial effects:

(1): this handheld drilling machine adopts the bearing structure of combination formula, can enough play the effect of stable support to handheld drilling machine, ensures the job stabilization nature of rig, also can pneumatic drive's mode simultaneously, plays pneumatic pressurized mode to the drilling process of rig, need not the manual effect that can realize automatic drilling of pushing down hard of operating personnel, and then has reduced operating personnel's work burden, has improved the practicality of handheld drilling machine.

(2): this handheld drilling machine can provide a smooth drilling supporting platform to the rig through the dull and stereotyped pressure that sets up, prevents that the rig from taking place the phenomenon of slope or skew, and then has ensured the verticality of drilling rod drilling, has strengthened the quality of drilling.

Drawings

Fig. 1 is a schematic view of the overall structure of a pneumatic leg type hand-held drilling machine according to the present invention;

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

fig. 3 is a schematic structural view of the middle sleeve of the present invention;

fig. 4 is a schematic structural view of the middle pressure plate of the present invention;

fig. 5 is a schematic cross-sectional structure view of the connection between the middle pressure plate and the drill hole of the present invention.

Illustration of the drawings:

1. a drive motor; 2. a clamping seat; 21. a fastening pin; 22. a clip; 23. a magnet; 24. positioning holes; 3. a sleeve; 31. a rubber ring; 32. a metal braid layer; 4. a grip; 5. a transmission rod; 6. a lifting rod; 7. an air cylinder; 8. an air duct; 9. pressing a flat plate; 91. drilling; 92. a sawtooth block; 93. a sponge ring; 10. an air tap; 11. and (5) drilling a rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1-5, a pneumatic legged hand-held drill includes: the device comprises a driving motor 1, a clamping seat 2 and an air cylinder 7;

the driving motor 1 is embedded in the inner wall of the clamping seat 2 and is magnetically connected with the magnet 23;

the driving motor 1 penetrates through the positioning hole 24 through a coupling shaft and is in transmission connection with the drill rod 11;

handles 4 are symmetrically welded on the outer walls of the two sides of the clamping seat 2, and a lifting rod 6 extending to the inner cavity of the air cylinder 7 is welded at the bottom of each handle 4;

the lifting device is characterized by further comprising a transmission rod 5, the overlooking section of the transmission rod 5 is of a U-shaped structure, and the parallel ends of the two sides of the transmission rod 5 are respectively connected with the two lifting rods 6;

the two air cylinders 7 are communicated through an air duct 8, and the air duct 8 is communicated with an air tap 10;

the bottom of the air cylinder 7 is welded with a pressing plate 9, and a drill hole 91 positioned on the outer side of the drill rod 11 is formed in the pressing plate 9.

In this embodiment, connect pneumatic equipment with air cock 10, connect pneumatic equipment with gas receiver 7 through air duct 8, provide the required aerodynamic force of rig lift, driving motor 1 external power supply wire power supply makes its work, place the clamp plate 9 level in drilling 91 place this moment, start driving motor 1 and make it drive drilling rod 11 high-speed rotatory, and make drilling rod 11 pass and carry out drilling 91 processing to ground after drilling 91, operating personnel holds handle 4 with both hands, meanwhile, when external starting equipment takes out the gas in gas receiver 7, can form the negative pressure environment in the gas receiver 7, the synchronous transmission effect of cooperation transfer line 5, thereby attract the removal downwards in step with two lifter 6, and then drive driving motor 1 moves down, realize the regulation of drilling 91 degree of depth, otherwise, then driving motor 1 shifts up, shift out drilling rod 11 hole.

Still include fastening pin 21, the quantity of fastening pin 21 is three, and three fastening pin 21 is the vertical end that annular and equiangular structure screw thread connects at grip slipper 2 soon, and the inner wall of three fastening pin 21 all is provided with clamping piece 22, and clamping piece 22 is arc smooth structure.

In this embodiment, through rotating three fastening pin 21 for three fastening pin 21 removes in to grip slipper 2, and drive clamping piece 22 makes its outer wall laminating contact with driving motor 1, never plays the fixed effect of centre gripping to driving motor 1, prevents that driving motor 1 from taking place to rock the condition that even drops when the during operation in grip slipper 2.

Still include sleeve pipe 3, sleeve pipe 3 cup joints the outer wall at handle 4, and the inner wall of sleeve pipe 3 inlays and is equipped with metal braid 32, and the outer wall of sleeve pipe 3 is pasted and is had rubber ring 31.

In this embodiment, metal braiding layer 32 is woven by the double-layer metal wire, and when driving motor 1 worked and produced the vibrations power, the vibrations power can be conducted at metal braiding layer 32, utilizes articulated winding metal wire each other to carry out the pressure release buffering to the vibrations power to reduce the resonance amplitude that handle 4 received, and through the further elastic effect of rubber ring 31, the vibrations that reduction handle 4 that can maximize received influence, improve the comfort level that handle 4 held and got.

Still include sawtooth block 92, the quantity of sawtooth block 92 is a plurality of, and a plurality of sawtooth block 92 is parallel structure and sets up in the bottom of clamp plate 9, and sawtooth block 92's lower extreme outer wall length is less than upper end outer wall length.

In the embodiment, the relative friction between the pressing plate 9 and the ground can be increased by using the relative contact friction between the sawtooth blocks 92 and the ground, so that the phenomenon that the drilling machine shakes randomly during operation is avoided, and the quality of the drilled hole 91 is ensured.

The drilling device further comprises a sponge ring 93, the sponge ring 93 is embedded in the inner wall of the drilling hole 91, and the outer wall of the sponge ring 93 is in contact with the outer wall of the drilling rod 11.

In this embodiment, utilize the seal structure of sponge ring 93, can play sealed effect that blocks to the earth and the water stain that splash in drilling 91, prevent that mud and water stain from splashing in drilling 91 and leading to the fact interference influence to operating personnel, also can play the effect of scraping the clearance to the outer wall of drilling rod 11 when moving on drilling rod 11 simultaneously, clear away the silt of drilling rod 11 outer wall, improve the surface finish degree of drilling rod 11.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A pneumatic legged hand-held drill, comprising: the device comprises a driving motor (1), a clamping seat (2) and an air cylinder (7);

the driving motor (1) is embedded in the inner wall of the clamping seat (2) and is magnetically connected with the magnet (23);

the driving motor (1) penetrates through the positioning hole (24) through a coupling shaft and is in transmission connection with the drill rod (11);

handles (4) are symmetrically welded on the outer walls of the two sides of the clamping seat (2), and a lifting rod (6) extending to the inner cavity of the air storage cylinder (7) is welded at the bottom of each handle (4);

the two air cylinders (7) are communicated through an air duct (8), and the air duct (8) is communicated with an air tap (10);

the bottom of the air cylinder (7) is welded with a pressing plate (9), and a drill hole (91) located on the outer side of the drill rod (11) is formed in the pressing plate (9).

2. A pneumatic legged hand-held drill according to claim 1, characterised by further comprising a securing pin (21);

the number of the fastening pins (21) is three, and the three fastening pins (21) are in annular shapes and are screwed at the vertical end of the clamping seat (2) in an equal-angle structure through threads;

the inner walls of the three fastening pins (21) are provided with clamping pieces (22), and the clamping pieces (22) are of arc-shaped smooth structures.

3. A pneumatic legged hand-held drill according to claim 1, characterised by further comprising a casing (3);

the sleeve (3) is sleeved on the outer wall of the grip (4);

a metal braid (32) is embedded in the inner wall of the sleeve (3);

the outer wall of the sleeve (3) is stuck with a rubber ring (31).

4. A pneumatic legged hand-held drill according to claim 1, characterised by further comprising a transmission rod (5);

the overlooking section of the transmission rod (5) is of a U-shaped structure;

the parallel ends of the two sides of the transmission rod (5) are respectively connected with the two lifting rods (6).

5. A pneumatic legged hand-held drill according to claim 1, further comprising a serrated block (92);

the number of the sawtooth blocks (92) is a plurality, and the sawtooth blocks (92) are arranged at the bottom of the pressing plate (9) in a parallel structure;

the length of the outer wall of the lower end of the sawtooth block (92) is smaller than that of the outer wall of the upper end of the sawtooth block.

6. A pneumatic legged hand-held drill according to claim 1, further comprising a sponge ring (93);

the sponge ring (93) is embedded in the inner wall of the drill hole (91);

the outer wall of the sponge ring (93) is in contact with the outer wall of the drill rod (11).

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