CN217735400U - Small-bore safety reaming device - Google Patents

Abstract

The utility model relates to a small-bore safety reaming device for carry out the reaming to the pipeline hole, it includes drive unit, support frame unit, motor unit, reaming unit, fixed unit and guide unit. The first end of the support frame unit is sleeved at the end part of the driving unit and is provided with a mounting plate element, and a mounting cavity is formed between the mounting plate element and the inner bottom wall of the support frame unit; the motor unit is arranged in the mounting cavity; the reaming unit is arranged inside the second end of the support frame unit and is coaxially connected with the output shaft of the motor unit; the first end of the fixing unit is fixedly connected with the inner side wall of the support frame unit; the first end of the guide unit is arranged in the support frame unit and is fixedly connected with the mounting plate element. The utility model has the advantages of simple structure, structural strength is high to can carry out the reaming to hard stone through the reaming unit, and can continue to carry out the trompil through the pipeline hole that the guide unit sinks to taking place.

Description

Small-bore safety reaming device

Technical Field

The utility model relates to a pipeline reaming equipment technical field especially relates to a small-bore safety reaming device.

Background

The underground pipeline is an important infrastructure for realizing information transmission, energy transmission, waterlogging drainage and pollution discharge functions of a city, is a material foundation for the city to live and develop, and is increasingly accelerated along with the urbanization process, the laying quantity and the laying efficiency of the underground pipeline are continuously increased, but the underground pipeline can be gradually aged or damaged under the influence of the environment along with the passage of time, and if a large number of underground pipelines buried in the city are not properly maintained, the problems of 'road cracking', 'urban inland inundation', 'water cut and power cut' and the like can occur.

Chinese utility model patent with patent publication number CN208203130U and publication date 2018.12.07 discloses a reaming screw drilling tool device, which comprises: the reaming device comprises a screw drilling tool, a reaming support frame, a reaming drill bit and a front guider, wherein the reaming drill bit is in threaded connection with the front end of the screw drilling tool and is used for reaming a milled hole and reaming the milled hole into a large milled hole; the front guider is in threaded connection with the front end of the reaming support frame and is used for extending into the milling hole to guide the reaming support frame, the reaming bit and the screw drill; the screw drill is used for providing torque and rotating speed required by the reaming bit for breaking rocks.

But the utility model discloses a structural strength is low, and the revolving force that the reaming produced all comes from the screw rod drilling tool, and drive arrangement is single and the reamer bit front end sets up to level shape, is difficult to the reaming forward to reduce work efficiency, especially can lead to the reaming failure under the condition that meets hard stone. In addition, when the milling hole is collapsed, the collapse position is difficult to rotate, and the working efficiency of hole expanding is reduced.

At present, no effective solution is provided aiming at the problems that the existing reaming equipment has low structural strength and single driving equipment, is difficult to ream forwards when meeting hard stones and is difficult to guide a drill bit to continue rotating when a hole is milled and collapsed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a small-bore safety reaming device to not enough among the prior art to at least, solve current reaming equipment structural strength low, drive arrangement single, meet hard stone and be difficult to forward reaming and guide the drill bit when the hole milling landslide and be difficult to continue the problem in commentaries on classics hole.

In order to achieve the above object, the utility model provides a small-bore safety reaming device for carry out reaming to the pipeline hole, it includes:

a drive unit;

the supporting frame unit is of a hollow structure with an opening at the side end, the first end of the supporting frame unit is fixedly sleeved at the end part of the driving unit, a mounting plate element is arranged inside the second end of the supporting frame unit, a mounting cavity is formed between the mounting plate element and the inner bottom wall of the supporting frame unit, and the supporting frame unit can rotate under the driving of the driving unit;

the motor unit is arranged in the mounting cavity, and an output shaft of the motor unit penetrates through the mounting plate element and is arranged in the second end of the support frame unit;

the reaming unit is arranged inside the second end of the support frame unit, is coaxially connected with the output shaft of the motor unit, is convexly arranged outside the support frame unit on the side wall, and is driven by the motor unit to rotate;

the first end of the fixing unit is fixedly connected with the inner side wall of the support frame unit, and the second end of the fixing unit is sleeved on the reaming unit and is used for supporting and fixing the reaming unit;

and a first end of the guide unit is arranged in the support frame unit and is fixedly connected with the mounting plate element, and a second end of the guide unit is inserted into the pipeline hole.

Further, the cradle unit comprises:

the first end of the support frame element is fixedly sleeved with the end part of the driving unit;

the mounting plate element is arranged at the first end of the support frame element, forms a mounting cavity with the inner bottom wall of the support frame element and is fixedly connected with the first end of the guide unit;

and the extension groove element is arranged at the opening of the support frame element and is used for enabling the side wall of the reaming unit to be arranged outside the support frame unit in a protruding mode.

Further, the opening of the support frame element is provided with rounded corners.

Further, the motor unit includes:

the motor element is arranged in the mounting cavity, an output shaft of the motor element penetrates through the mounting plate element and is positioned in the second end of the support frame unit, and the output shaft of the motor element is coaxially connected with the second end of the reaming unit;

the first bearing element is nested in the mounting plate element and sleeved with the output shaft of the motor element.

Further, the reaming unit includes:

a first end of the mounting shaft element is coaxially connected with the output shaft of the motor unit, is sleeved inside the second end of the fixing unit and is used for rotating under the driving of the motor unit;

the reaming element is fixedly arranged at the second end of the mounting shaft element and is used for rotating along with the mounting shaft element and reaming the pipeline hole;

a first bit element having a conical shape and being coaxially connected to the reaming element.

Further, the reaming element comprises:

the hole expanding shaft is fixedly arranged at the second end of the mounting shaft element and is used for rotating along with the mounting shaft element;

a plurality of reaming blades, it is a plurality of the reaming blade is followed the circumference of reaming axle set up in the periphery wall of reaming axle.

Further, the first bit element comprises:

the drill shaft is conical and is coaxially connected with the expansion shaft of the reaming element;

and the drilling blade is spiral and is sleeved on the drilling shaft.

Further, the fixing unit includes:

the second bearing element is sleeved on the mounting shaft element of the reaming unit;

the first end of fixed rod component with support frame unit's inside wall fixed connection, the second end with second bearing element fixed connection.

Further, the guide unit includes:

a guide element, a first end of the guide element being fixedly connected to the mounting plate element;

a second bit element having a conical shape and disposed coaxially at the second end of the guide element.

Further, the guide member includes:

the first ends of the two supporting rods are arranged on the side wall of the mounting plate element at intervals;

a guide shaft disposed at the second ends of the two support rods and coaxially connected to the second drill element.

The utility model adopts the above technical scheme, compare with prior art, have following technological effect:

(1) The small-caliber safe reaming device of the utility model drives the supporting frame unit to rotate through the driving unit, the supporting frame unit drives the reaming unit to rotate, and the reaming unit can rotate under the driving of the motor unit, so that the reaming unit can rotate and rotate along with the supporting frame unit to ream the pipeline hole;

(2) The guide unit is placed in the pipeline hole, so that the reaming unit can be guided to ream along the pipeline hole, and the reaming unit is prevented from sinking to deviate from the pipeline hole;

(3) The utility model has the advantages of simple structure, structural strength is high, and power is strong, can continue to carry out the trompil to the pipeline hole that takes place to sink through the guide unit, has solved that current reaming equipment structural strength is low, drive arrangement is single, meet hard stone and be difficult to forward reaming and guide the drill bit when the hole milling collapses and be difficult to continue the problem in changeing the hole.

Drawings

Fig. 1 is a schematic view of an installation structure of the small-caliber safety reaming device of the present invention;

fig. 2 is a schematic structural view of the small-caliber safety reaming device of the present invention;

fig. 3 is a partial sectional view of the small-bore safety reaming device of the present invention;

fig. 4 is a transverse cross-sectional view of the supporting frame unit of the present invention;

fig. 5 is a schematic structural view of the reaming unit of the present invention;

fig. 6 is a schematic structural diagram of the guiding unit of the present invention;

wherein the reference symbols are:

100. a pipe bore;

200. a drive unit;

300. a support frame unit; 310. a support frame element; 320. mounting a plate member; 330. an extension slot member;

400. a motor unit; 410. a motor element; 420. a first bearing element;

500. a reaming unit; 510. mounting a shaft element; 520. a reaming element; 521. a reaming shaft; 522. reaming the blade; 530. a first bit element; 531. a drill spindle; 532. drilling a blade;

600. a fixing unit; 610. a second bearing element; 620. fixing the rod element;

700. a guide unit; 710. a guide element; 711. a support bar; 712. a guide shaft; 720. a second drill bit element.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like as used herein are used in the description to indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-3, the utility model discloses a small-bore safe reaming device for carry out reaming to pipeline hole 100, it includes drive unit 200, support frame unit 300, motor unit 400, reaming unit 500, fixed unit 600 and guide element 700. Wherein, the driving unit 200 is a screw drill for driving the supporting frame unit 300 to rotate; the supporting frame unit 300 is provided with a hollow structure with an open side end, a first end of the supporting frame unit 300 is fixedly sleeved at the end of the driving unit 200, a mounting plate element 320 is arranged inside a second end of the supporting frame unit, a mounting cavity is formed between the mounting plate element 320 and the inner bottom wall of the supporting frame unit 300, and the supporting frame unit 300 is used for driving the reaming unit 500 and the guiding unit 700 to rotate under the driving of the driving unit 200; the motor unit 400 is disposed in the mounting cavity, and an output shaft thereof passes through the mounting plate element 320 and is disposed in the second end of the supporting frame unit 300, so as to drive the reaming unit 500 to rotate; the reaming unit 500 is arranged inside the second end of the support frame unit 300, is coaxially connected with the output shaft of the motor unit 400, and is arranged outside the support frame unit 300 in a protruding manner on the side wall far away from the support frame unit 300, and the reaming unit 500 is used for reaming the pipeline hole 100 under the self-rotation condition; a first end of the fixing unit 600 is fixedly connected to the inner sidewall of the supporting frame unit 300, and a second end thereof is sleeved on the reaming unit 500 for supporting and fixing the reaming unit 500; the first end of the guide unit 700 is disposed in the cradle unit 300 and fixedly coupled to the installation plate member 320, the second end of the guide unit 700 is adapted to be inserted into the pipe hole 100, and the guide unit 700 is adapted to prevent the reaming unit 500 from being moved downward by gravity, resulting in deviation of the reaming unit 500 from the extended path of the pipe hole 100.

Specifically, under the condition of reaming the pipeline hole 100, a worker inserts the guide unit 700 into the pipeline hole 100, then opens the driving unit 200, so that the driving unit 200 drives the support frame unit 300, the reaming unit 500 and the guide unit 700 to move forward, and finally opens the motor unit 400, so that the reaming unit 500 rotates to scrape off mud or rocks on the side wall of the pipeline hole 100, thereby reaming the pipeline hole 100.

As shown in fig. 4, the supporting bracket unit 300 includes a supporting bracket member 310, a mounting plate member 320, and an extension slot member 330. Wherein, the first end of the supporting frame element 310 is sleeved on the end of the driving unit 200 and is configured to rotate with the driving unit 200; the mounting plate member 320 is provided at the first end of the supporting frame member 310, and it forms a mounting cavity with the inner bottom wall of the supporting frame member 310 and is fixedly connected with the first end of the guide unit 700 for mounting and supporting the guide unit 700; the elongated slot member 330 opens at the opening of the support frame member 310 for facilitating the protrusion of the sidewall of the reaming unit 500 outside the support frame unit 300.

Wherein the support frame member 310 and the mounting plate member 320 are made of metal material to increase the strength and the service life of the support frame member 310.

The extension slot component 330 is disposed on a sidewall of the opening of the support frame component 310, and is used to facilitate the installation of the reaming unit 500, and to enable the sidewall of the reaming unit 500 to protrude from the support frame component 310.

In some of these embodiments, the opening of the cage element 310 is provided with a rounded corner to facilitate entry into the expanded conduit bore 100.

As shown in fig. 4, the motor unit 400 includes a motor element 410 and a first bearing element 420. The motor element 410 is disposed in the mounting cavity, an output shaft of the motor element 410 passes through the mounting plate element 320 and is located in the second end of the supporting frame unit 300, and the output shaft of the motor element 410 is coaxially connected with the second end of the reaming unit 500, and is used for driving the reaming unit 500 to rotate, so that the reaming unit 500 reams the pipeline hole 100; the first bearing element 420 is nested in the mounting plate element 320 and is sleeved on the output shaft of the motor element 410, so that the output shaft of the motor element 410 can rotate conveniently, and mud or dust is prevented from entering the mounting cavity through a gap between the output shaft of the motor and the mounting plate element 320.

The motor element 410 is a counter-rotating motor.

Wherein the first bearing element 420 is a watertight bearing.

In some of these embodiments, a battery is disposed within the mounting cavity to power the motor element 410.

In some of these embodiments, the motor element 410 is connected to an external cable.

As shown in fig. 5, reaming unit 500 includes a mounting shaft member 510, a reaming member 520, and a first drill member 530. Wherein, the first end of the mounting shaft element 510 is coaxially connected with the output shaft of the motor unit 400, and is sleeved inside the second end of the fixing unit 600 for rotating with the motor element 410 of the motor unit 400; the reaming element 520 is fixedly disposed at the second end of the mounting shaft element 510 for reaming the pipe hole 100; first drill element 530 is conically shaped and is coaxially coupled to reaming element 520 for reaming conduit bore 100.

Wherein the mounting shaft member 510 is a metal shaft to extend the service life and stability of the rotation of the broaching member 520.

Specifically, in the case of reaming the pipe hole 100, the mounting shaft element 510 is driven by the motor element 410 to rotate, and then the reaming element 520 and the first drill bit element 530 are driven to rotate, so as to scrape off mud or rock on the side wall of the pipe hole 100, and then the mounting shaft element 510, the reaming element 520 and the first drill bit element 530 are driven by the support frame element 310 to rotate around the central axis of the support frame element 310, so as to clean the mud and rock on the peripheral wall of the pipe hole 100.

Wherein, in the case of one rotation of the cage member 310, the distance of forward movement of the mounting shaft member 510, the broaching member 520 and the first bit member 530 is the length of the first bit member 530, so that one rotation of the cage member 310 is achieved, the first bit member 530 primarily expands the sidewall of the pipe hole 100, and then the pipe hole 100 is secondarily reamed using the broaching member 520.

Preferably, the length of first drill element 530 is the same as the length of reaming element 520.

As shown in fig. 5, reaming element 520 includes a reaming shaft 521 and a plurality of reaming blades 522. The reaming shaft 521 is fixedly disposed at the second end of the mounting shaft element 510, and is configured to rotate with the mounting shaft element 510; the reaming blades 522 are arranged on the outer peripheral wall of the reaming shaft 521 along the circumferential direction of the reaming shaft 521 and are used for rotating along with the reaming shaft 521 so as to scrape off slurry on the side wall of the pipeline hole 100.

As shown in fig. 5, the first drill element 530 includes a drill shaft 531 and a drill blade 532. Wherein, the drilling shaft 531 is conical and coaxially connected to the broaching element 520, and is configured to rotate with the broaching element 520 to ream the pipe hole 100; the drilling blade 532 is helical and is fitted over the drill shaft 531 for scraping off slurry from the sidewall of the pipe hole 100.

Specifically, in the case of reaming the pipe hole 100, the drill shaft 531 and the boring blade 532 rotate to preliminarily expand the groove having a conical section formed in the side wall of the pipe hole 100, and then as the reaming member 520 enters the groove, the reaming blade 522 reams the groove secondarily to expand the groove into a round hole.

As shown in fig. 4, the fixing unit 600 includes a second bearing member 610 and a fixing rod member 620. The second bearing element 610 is sleeved on the mounting shaft element 510 of the broaching unit 500, and is used for facilitating the rotation of the mounting shaft element 510 and supporting the mounting shaft element 510; the first end of the fixing rod 620 is fixedly connected to the inner sidewall of the cradle unit 300, and the second end is fixedly connected to the second bearing member 610 for supporting the second bearing member 610.

Wherein the fixing rod element 620 is a metal rod to enhance a supporting capability.

As shown in fig. 6, the guide unit 700 includes a guide element 710 and a second bit element 720. Wherein a first end of the guide member 710 is fixedly coupled to the mounting plate member 320 of the cradle unit 300 for insertion into the pipe hole 100 to guide the movement of the cradle unit 300 along the pipe hole 100 and to prevent the cradle unit 300 from deviating from the extending direction of the pipe hole 100; a second drill element 720 is conically shaped and coaxially disposed at the second end of the guide element 710 for re-boring the collapsed conduit hole 100.

In some of these embodiments, the second drill element 720 is a rock drill bit for re-boring the hole collapse site in the event of a rock collapse, avoiding the inability of the guide unit 700 to continue moving forward in the event of a rock collapse of the original pipeline bore 100.

Specifically, under the condition that the driving unit 200 drives the support frame element 310 to move forward, if the original pipe hole 100 has rock collapse, the driving unit 200 can drive the support frame element 310 to continue to rotate, and the support frame element 310 drives the mounting plate element 320 to rotate, then the mounting plate element 320 drives the guiding element 710 to rotate, and the guiding element 710 drives the second drill bit element 720 to rotate, so that the second drill bit element 720 performs re-drilling on the original pipe hole 100.

As shown in fig. 6, the guide member 710 includes two support rods 711 and a guide shaft 712. Wherein the first ends of the two support rods 711 are spaced apart from each other at the sidewall of the mounting plate member 320 for supporting the guide shaft 712; the guide shaft 712 is provided at a second end of the two support rods 711, and is coaxially connected to the second drill element 720 for guiding the cradle unit 300.

The utility model discloses a theory of operation as follows:

a worker firstly inserts the guide shaft 712 and the two support rods 711 into the pipeline hole 100, then turns on the motor element 410 and the driving unit 200, the driving unit 200 drives the support frame element 310, the guide shaft 712 and the two support rods 711 to rotate and move towards the pipeline hole 100, the motor element 410 drives the mounting shaft element 510, the reaming shaft 521, the reaming blades 522, the drilling shaft 531 and the drilling blade 532 to rotate, under the condition that the drilling shaft 531 and the drilling blade 532 move towards the inside of the pipeline hole 100 along with the support frame element 310, the drilling shaft 531 and the drilling blade 532 preliminarily ream the pipeline hole 100 and form a groove with a conical section on the side wall of the pipeline hole 100, and then the reaming blades 522 and the reaming shafts 521 enter the groove to further ream the groove to form a complete round hole on the side wall of the pipeline hole 100;

in case of the collapse of the pipe hole 100, since the support frame member 310 always rotates with the driving unit 200, the support frame member 310 rotates the guide shaft 712 and the two support rods 711 through the mounting plate member 320, and the guide shaft 712 drives the second drilling member 720 to re-bore the pipe hole 100, so as to further ream the pipe hole 100.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.

Claims (10)

1. A small-bore safety reaming device for reaming a pipe hole, comprising:

a drive unit;

the supporting frame unit is of a hollow structure with an opening at the side end, the first end of the supporting frame unit is fixedly sleeved at the end part of the driving unit, a mounting plate element is arranged inside the second end of the supporting frame unit, a mounting cavity is formed between the mounting plate element and the inner bottom wall of the supporting frame unit, and the supporting frame unit can rotate under the driving of the driving unit;

the motor unit is arranged in the mounting cavity, and an output shaft of the motor unit penetrates through the mounting plate element and is arranged in the second end of the support frame unit;

the reaming unit is arranged inside the second end of the support frame unit, is coaxially connected with the output shaft of the motor unit, is convexly arranged outside the support frame unit on the side wall, and is driven by the motor unit to rotate;

the first end of the fixing unit is fixedly connected with the inner side wall of the support frame unit, and the second end of the fixing unit is sleeved on the reaming unit and used for supporting and fixing the reaming unit;

and the first end of the guide unit is arranged in the support frame unit and is fixedly connected with the mounting plate element, and the second end of the guide unit is inserted into the pipeline hole.

2. The small bore safety reaming device of claim 1, wherein the cradle unit comprises:

the first end of the support frame element is fixedly sleeved with the end part of the driving unit;

the mounting plate element is arranged at the first end of the supporting frame element, forms a mounting cavity with the inner bottom wall of the supporting frame element and is fixedly connected with the first end of the guide unit;

and the extension groove element is arranged at the opening of the support frame element and is used for enabling the side wall of the reaming unit to be arranged outside the support frame unit in a protruding mode.

3. The small bore safety reaming device of claim 2, wherein the opening of the cage member is provided as a fillet.

4. The small bore safety reaming device of claim 1, wherein the motor unit comprises:

the motor element is arranged in the mounting cavity, an output shaft of the motor element penetrates through the mounting plate element and is positioned in the second end of the support frame unit, and the output shaft of the motor element is coaxially connected with the second end of the reaming unit;

the first bearing element is nested in the mounting plate element and sleeved with the output shaft of the motor element.

5. The small bore safety reaming device of claim 1, wherein the reaming unit comprises:

a first end of the mounting shaft element is coaxially connected with the output shaft of the motor unit, is sleeved inside the second end of the fixing unit and is used for rotating under the driving of the motor unit;

the reaming element is fixedly arranged at the second end of the mounting shaft element and is used for rotating along with the mounting shaft element and reaming the pipeline hole;

a first bit element having a conical shape and being coaxially connected to the reaming element.

6. The small bore safety reaming device of claim 5, wherein the reaming element comprises:

the hole expanding shaft is fixedly arranged at the second end of the mounting shaft element and is used for rotating along with the mounting shaft element;

a plurality of reaming blades, it is a plurality of the reaming blade is followed the circumference of reaming axle set up in the periphery wall of reaming axle.

7. The small bore safety reaming device of claim 5, wherein the first drill bit element comprises:

the drill shaft is conical and is coaxially connected with the expansion shaft of the reaming element;

and the drilling blade is spiral and is sleeved on the drilling shaft.

8. The small-bore safety reaming device according to claim 1, wherein the fixing unit comprises:

the second bearing element is sleeved on the mounting shaft element of the reaming unit;

the first end of fixed rod component with the inside wall fixed connection of support frame unit, the second end with second bearing element fixed connection.

9. The small bore safety reaming device of claim 1, wherein the guiding unit comprises:

a guide element, a first end of the guide element being fixedly connected to the mounting plate element;

a second bit element having a conical shape and disposed coaxially at the second end of the guide element.

10. The small bore safety reaming device of claim 9, wherein the guiding element comprises:

the first ends of the two support rods are arranged on the side wall of the mounting plate element at intervals;

a guide shaft disposed at the second ends of the two support rods and coaxially connected to the second drill element.

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