阅读说明：本技术 一种具有二次降速的稳定退钻装置 (Stable drill retracting device with secondary speed reduction function ) 是由 刘超 于 2021-01-13 设计创作，主要内容包括：本发明公开了一种具有二次降速的稳定退钻装置,包括调速箱体和电动机,所述调速箱体内设置有第一皮带轮、第二皮带轮和滑动皮带轮,所述第一皮带轮和第二皮带轮与调速箱体转动连接,所述滑动皮带轮上同轴设置有拨动杆,所述拨动杆通过调速箱体上开设的弧形孔与调速箱体滑动连接。本发明采用调节滑动皮带轮在弧形孔上的位置,能够有效的实时的改变第一皮带轮和滑动皮带轮以及第二皮带轮和滑动皮带轮之间竖直方向的速度,这样可以起到了皮带在第一皮带轮到滑动皮带轮之间的速度以及滑动皮带轮到第二皮带轮之间的速度,这样便于在钻孔退钻过程中不会产生退钻速度过快导致钻孔口径变大以及涂层脱落的问题。(The invention discloses a stable drill withdrawal device with secondary speed reduction, which comprises a speed regulating box body and a motor, wherein a first belt pulley, a second belt pulley and a sliding belt pulley are arranged in the speed regulating box body, the first belt pulley and the second belt pulley are rotatably connected with the speed regulating box body, a poke rod is coaxially arranged on the sliding belt pulley, and the poke rod is in sliding connection with the speed regulating box body through an arc-shaped hole formed in the speed regulating box body. According to the invention, the vertical speed between the first belt pulley and the sliding belt pulley and between the second belt pulley and the sliding belt pulley can be effectively changed in real time by adjusting the position of the sliding belt pulley on the arc-shaped hole, so that the speed between the belt and the sliding belt pulley and the speed between the belt and the sliding belt pulley can be increased, and the problems of drill hole diameter enlargement and coating falling caused by too high drill withdrawal speed can be avoided in the drilling and withdrawal process.)

1. A stable drill withdrawal device with secondary speed reduction comprises a speed regulation box body (1) and a motor (2), and is characterized in that a first belt pulley (3), a second belt pulley (4) and a sliding belt pulley (5) are arranged in the speed regulation box body (1), the first belt pulley (3) and the second belt pulley (4) are rotatably connected with the speed regulation box body (1), a poking rod (7) is coaxially arranged on the sliding belt pulley (5), the poking rod (7) is slidably connected with the speed regulation box body (1) through an arc-shaped hole (6) formed in the speed regulation box body (1), the same belt (10) is wound on the outer side walls of the first belt pulley (3), the second belt pulley (4) and the sliding belt pulley (5), a propelling device is arranged on the belt (10), a support (12) is arranged at the top of the side wall of the speed regulation box body (1), fixedly connected with spiral shell (9) on support (12), be provided with drilling rod (8) in spiral shell (9), be provided with spiral strip (11) on drilling rod (8) lateral wall, drilling rod (8) bottom is provided with dwang (14), and dwang (14) bottom is provided with and is used for spacing chassis (15), dwang (14) lateral wall cover is equipped with spacing section of thick bamboo (13), spacing section of thick bamboo (13) and advancing device fixed connection.

2. The stable back drilling device with the secondary speed reduction function according to claim 1, characterized in that the propelling device comprises a return frame (16), a fixed rod (17), a sliding block (18), a sliding rail (19) and a sliding block (20), the sliding rail (19) is vertically arranged in the speed regulating box body (1), the sliding block (18) slides on the return frame (16), the fixed rod (17) is fixedly connected with the belt (10) through a fixed hole formed in the belt (10), the sliding block (18) is rotatably connected with the fixed rod (17), and the sliding block (18) and the sliding block (20) both slide on the horizontally arranged return frame (16).

3. The stable drill withdrawal device with the secondary speed reduction according to claim 2, characterized in that the sliding rail (19) is located outside the arc of the arc-shaped hole (6) and the sliding pulley (5) does not contact the sliding rail (19) when sliding.

4. The stable back drilling device with the secondary speed reduction function according to claim 1, characterized in that the spiral cylinder (9) comprises a spiral groove (91) and a fixed ring (92), the spiral groove (91) is formed in the inner side wall of the fixed ring (92), and the spiral groove (91) is matched with the spiral strip (11).

5. The stable back-drilling device with the secondary speed reduction function according to claim 1, characterized in that the limiting cylinder (13) is arranged between the drill rod (8) and the chassis (15), the rotating rod (14) is matched with the inner side wall of the limiting cylinder (13), and the radius of the outer side wall of the limiting cylinder (13) is consistent with that of the drill rod (8).

6. A stable drill withdrawal device with secondary deceleration according to claim 1, characterised in that the belt (10) is rotated in the direction of the second pulley (4) to the first pulley (3) to the sliding pulley (5).

7. A stable drill withdrawal device with secondary deceleration as set forth in claim 2, characterized in that said slide blocks (18) and (20) are each slidably connected to the carriage (16) through slide holes provided in the carriage (16).

8. The stable drill withdrawal device with the secondary speed reduction function according to claim 1, wherein the first belt pulley (3) and the second belt pulley (4) are located on the same vertical surface, and the first belt pulley (3), the second belt pulley (4) and the sliding belt pulley (5) are arranged in the speed regulating box body (1) in a triangular shape.

Technical Field

The invention relates to the technical field of speed reduction and drill withdrawal, in particular to a stable drill withdrawal device with secondary speed reduction.

Background

At present, some drilling devices are often used for drilling holes on a wall body in the operation of decorating and building a building, so that some objects can be conveniently installed, but the following problems often occur in the actual operation process:

firstly, the phenomenon of drill hole expansion often occurs in the process of drill withdrawal, the reason is mainly that the drill bit shakes and aggravates in the drill hole due to the excessively high drill withdrawal speed, and in the process of drill withdrawal, the problem of drill hole diameter expansion can be caused if small deviation is kept under the condition of excessively high drill withdrawal speed, if the reaction is not timely, and timely correction is not given;

secondly, the wall plastering falls off in the drill withdrawal process, and the reason is mainly that the hardness of the wall brick is not consistent with that of the plastering coating in the drill withdrawal process, and if the drill is drilled and withdrawn at the same drilling speed of the drill bit, the coating plastered on the wall is very easy to fall off.

Therefore, a stable drill withdrawal device with secondary speed reduction is designed.

Disclosure of Invention

The invention aims to solve the problems that a drill hole is enlarged frequently in the drill withdrawal process and wall plaster painted on a wall body falls off in the drill withdrawal process, and provides a stable drill withdrawal device with secondary speed reduction.

In order to achieve the purpose, the invention adopts the following technical scheme:

a stable drill withdrawing device with secondary speed reduction comprises a speed regulating box body and a motor, wherein a first belt pulley, a second belt pulley and a sliding belt pulley are arranged in the speed regulating box body, the first belt pulley and the second belt pulley are rotationally connected with the speed regulating box body, a poking rod is coaxially arranged on the sliding belt pulley and is slidably connected with the speed regulating box body through an arc-shaped hole formed in the speed regulating box body, the first belt pulley, the second belt pulley and the outer side wall of the sliding belt pulley are wound with the same belt, a propelling device is arranged on the belt, a support is arranged at the top of the side wall of the speed regulating box body, a spiral cylinder is fixedly connected onto the support, a drill rod is arranged in the spiral cylinder, a spiral strip is arranged on the outer side wall of the drill rod, a rotating rod is arranged at the bottom of the drill rod, a chassis for limiting is arranged at the, the limiting cylinder is fixedly connected with the propelling device.

Preferably, the propelling device comprises a clip frame, a fixing rod, a sliding block, a sliding rail and a sliding block, wherein the sliding rail is vertically arranged in the speed regulating box body, the sliding block slides on the clip frame, the fixing rod is fixedly connected with the belt through a fixing hole formed in the belt, the sliding block is rotatably connected with the fixing rod, and the sliding block both slide on the clip frame which is horizontally placed.

Preferably, the slide rail is located outside the arc of the arc hole, and the sliding belt pulley does not contact with the slide rail when sliding.

Preferably, the spiral cylinder includes helicla flute and solid fixed ring, the helicla flute is seted up at solid fixed ring inside wall, helicla flute and spiral strip looks adaptation.

Preferably, the limiting cylinder is arranged between the drill rod and the chassis, the rotating rod is matched with the inner side wall of the limiting cylinder, and the radius of the outer side wall of the limiting cylinder is consistent with that of the drill rod.

Preferably, the belt is rotated in a second pulley to the first pulley to the sliding pulley.

Preferably, the sliding block and the sliding block are both connected with the clip frame in a sliding mode through sliding holes formed in the clip frame.

Preferably, the first belt pulley and the second belt pulley are located on the same vertical surface, and the first belt pulley, the second belt pulley and the sliding belt pulley are arranged in the speed regulating box in a triangular shape.

The invention has the beneficial effects that:

1. according to the invention, the vertical speed between the first belt pulley and the sliding belt pulley and between the second belt pulley and the sliding belt pulley can be effectively changed in real time by adjusting the position of the sliding belt pulley on the arc-shaped hole, so that the speed between the belt and the sliding belt pulley and the speed between the belt and the sliding belt pulley can be increased, and the problems of drill hole diameter enlargement and coating falling caused by too high drill withdrawal speed can be avoided in the drilling and withdrawal process.

2. The invention adopts the sliding block at the end part of the clip rack to slide on the sliding rail, which can effectively ensure the stability of the clip rack moving in the vertical direction, and the vertical moving speed of the clip rack is influenced by the belt and has three different speeds.

Drawings

FIG. 1 is a schematic structural diagram of a stable drill withdrawal device with secondary deceleration according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a front view of a stable drill withdrawal device with secondary deceleration according to the present invention;

FIG. 4 is a side view of the upper and lower equiangular shafts of a stable drill withdrawal device with secondary deceleration according to the present invention;

fig. 5 is a schematic structural diagram of a spiral cylinder in a stable drill withdrawal device with secondary speed reduction according to the present invention.

In the figure: the drilling machine comprises a speed regulation box body 1, a motor 2, a first belt pulley 3, a second belt pulley 4, a sliding belt pulley 5, an arc-shaped hole 6, a poke rod 7, a drill rod 8, a spiral cylinder 9, a spiral groove 91, a fixed ring 92, a belt 10, a spiral strip 11, a support 12, a limiting cylinder 13, a rotating rod 14, a chassis 15, a returning frame 16, a fixed rod 17, a sliding block 18, a sliding rail 19 and a sliding block 20.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, a stable back-drilling device with secondary speed reduction comprises a speed regulating box body 1 and a motor 2, wherein a first belt pulley 3, a second belt pulley 4 and a sliding belt pulley 5 are arranged in the speed regulating box body 1, the rotating direction of a belt 10 is from the second belt pulley 4 to the first belt pulley 3 and then to the sliding belt pulley 5, so that the speed is fastest when a sliding block 18 moves between the first belt pulley 3 and the second belt pulley 4, holes can be drilled quickly, the rest two sections are adjusted, and a drill rod 8 can be slowly back-drilled with a spiral strip 11.

First belt pulley 3, second belt pulley 4 is located same vertical face, and first belt pulley 3, second belt pulley 4 and slip belt pulley 5 are triangle-shaped setting in speed governing box 1, so can effectually accomplish the speed of the vertical direction between two adjacent belt pulleys is different, and through adjusting the position of slip belt pulley 5 on arc hole 6, can effectual real-time first belt pulley 3 and the speed of slip belt pulley 5 and second belt pulley 4 and the vertical direction between the slip belt pulley 5, can play belt 10 speed and slip belt pulley 5 to the speed between second belt pulley 4 between first belt pulley 3 to slip belt pulley 5 like this, be convenient for can not produce the too fast problem that leads to drilling aperture grow and coating to drop of the speed of moving back in-process drilling like this.

First belt pulley 3 and second belt pulley 4 rotate with speed governing box 1 and are connected, and the coaxial poker rod 7 that is provided with on the slip belt pulley 5, poker rod 7 through the arc hole 6 and the speed governing box 1 sliding connection of seting up on the speed governing box 1, the winding has same belt 10 on first belt pulley 3, second belt pulley 4 and the slip belt pulley 5 lateral wall, is provided with advancing device on the belt 10.

Advancing device is including returning shape frame 16, dead lever 17, sliding block 18, slide rail 19 and slider 20, and the vertical setting of slide rail 19 is in speed governing box 1, and slide rail 19 is located the arc line outside of arc hole 6, and does not contact with slide rail 19 when sliding belt pulley 5 slides, avoids bumping slide rail 19 when sliding belt pulley 5 slides like this.

The sliding block 18 slides on the clip 16, the fixed rod 17 is fixedly connected with the belt 10 through a fixed hole formed in the belt 10, the sliding block 18 is rotatably connected with the fixed rod 17, the sliding block 18 and the sliding block 20 both slide on the clip 16 horizontally placed, the sliding block 18 and the sliding block 20 are both slidably connected with the clip 16 through a sliding hole formed in the clip 16, the fixed rod 17 arranged on the belt 10 can change position along with the transmission of the belt 10, so that the sliding block 18 fixed with the fixed rod 17 slides in the clip 16, and the sliding block 20 at the end of the clip 16 slides on the sliding rail 19, so that the stability of the clip 16 moving in the vertical direction can be effectively guaranteed, and meanwhile, the up-and-down moving speed of the clip 16 is influenced by the belt 10, and three different speeds exist.

The top of the side wall of the speed regulation box body 1 is provided with a support 12, a spiral cylinder 9 is fixedly connected to the support 12, the spiral cylinder 9 comprises a spiral groove 91 and a fixing ring 92, the spiral groove 91 is arranged on the inner side wall of the fixing ring 92, the spiral groove 91 is matched with a spiral strip 11, and thus when the return frame 16 pushes the drill rod 8 to move, the drill rod 8 can drive the spiral strip 11 to rotate due to the fact that the spiral cylinder 9 is fixed.

Be provided with drilling rod 8 in the spiral section of thick bamboo 9, be provided with the spiral strip 11 on the 8 lateral walls of drilling rod, 8 bottoms of drilling rod are provided with dwang 14, 14 bottoms of dwang are provided with and are used for spacing chassis 15, 14 lateral wall covers of dwang are equipped with spacing section of thick bamboo 13, spacing section of thick bamboo 13 sets up between drilling rod 8 and chassis 15, dwang 14 and 13 inside wall looks adaptations of spacing section of thick bamboo, 13 lateral wall radiuses of spacing section of thick bamboo are unanimous with 8 radiuses of drilling rod, can guarantee like this that drilling rod 8.

The limiting cylinder 13 is fixedly connected with the propelling device, wherein the limiting cylinder 13 is fixedly connected with the return frame 16, so that the return frame 16 can push the limiting cylinder 13 to move, and further push the drill rod 8 to rotate in the spiral cylinder 9.

The working principle of the invention is as follows: firstly, the motor 2 is started to drive the motor 2 to rotate with the second belt pulley 4, wherein the outer side walls of the first belt pulley 3, the second belt pulley 4 and the sliding belt pulley 5 which are arranged in the speed regulating box body 1 are wound with the same belt 10, and the first belt pulley 3, the second belt pulley 4 and the sliding belt pulley 5 are arranged in a triangular shape, so that the speed difference between two adjacent belt pulleys in the vertical direction can be effectively realized, and the vertical speed between the first belt pulley 3 and the sliding belt pulley 5 and between the second belt pulley 4 and the sliding belt pulley 5 can be effectively changed in real time by adjusting the position of the sliding belt pulley 5 on the arc-shaped hole 6, this allows to obtain the speed of the belt 10 between the first pulley 3 and the sliding pulley 5 and between the sliding pulley 5 and the second pulley 4, the problem that the drill hole diameter is enlarged and the coating falls off due to the fact that the drill withdrawal speed is too high in the drill withdrawal process can be avoided.

It should be noted that the fixed rod 17 disposed on the belt 10 changes its position with the transmission of the belt 10, which causes the sliding block 18 fixed with the fixed rod 17 to slide in the clip 16, and the sliding block 20 at the end of the clip 16 slides on the sliding rail 19, which effectively ensures the stability of the movement of the clip 16 in the vertical direction, and the movement speed of the clip 16 up and down is affected by the belt 10, and has three different speeds.

Then, the shape frame 16 can promote the drilling rod 8 to move, and the spiral groove 91 of seting up on the spiral tube 9 inner wall of cover setting on the drilling rod 8 lateral wall and the spiral strip 11 looks adaptation that sets up on the drilling rod 8 lateral wall, like this when the shape frame 16 can promote the drilling rod 8 to move, because spiral tube 9 is fixed motionless, then the drilling rod 8 can take the spiral strip 11 to rotate, it should be said, the speed is the fastest when sliding block 18 moves between first belt pulley 3 and the second belt pulley 4, can drill hole fast, other two intervals are adjusted, can take the slow back drilling of spiral strip 11 with drilling rod 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.