Pipeline inner wall descaling device

Abstract

The utility model discloses a pipeline inner wall descaling device which comprises a handheld electric drill, the handheld electric drill is connected with a storage battery through a cable, and the handheld electric drill is connected with a drill bit through a transmission rod or through cooperation of the transmission rod and an extension rod; the drill bit comprises a connecting cylinder, a sleeve and three eccentric blades distributed circumferentially, the connecting cylinder, the sleeve and the three eccentric blades are sequentially arranged from inside to outside, an integral structure formed by the three eccentric blades is in a cone frustum shape, and the small-diameter end of the cone frustum structure is fixedly connected with the end of the sleeve. The large-diameter end of the cone frustum structure is fixedly connected with the other end of the sleeve through three supporting shafts distributed in a circumferential mode, and a scraper is fixedly installed outside the eccentric blade through a fastening bolt. The pipeline inner wall descaling device is simple and reasonable in structure and low in manufacturing cost, power is supplied through the storage battery, pipelines at different positions can be descaled according to needs, the transmission distance can be flexibly adjusted, and descaling work is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipeline inner wall scale removing device belongs to brine transportation technical field. BACKGROUND

[0002] The scientific name of brine is salt brine, which is a mixture of magnesium chloride, magnesium sulfate and sodium chloride. During the use of the brine conveying pipeline, scale will form on the inner wall, which reduces the pipe diameter and increases the resistance of the inner wall, resulting in that the flow rate and flow of the brine cannot meet the design requirements.

[0003] At present, for the scale problem of the brine conveying pipeline, chemical cleaning method and mechanical cleaning method are mainly adopted for treatment, and the chemical cleaning method and the mechanical cleaning method have advantages and disadvantages. The existing mechanical cleaning method mainly uses a pipeline shield robot and other equipment for cleaning, and the equipment must be connected with a power supply, which is limited by the power supply and is not convenient for scale removal treatment of pipelines at different positions. In addition, the existing mechanical scale removal equipment generally has the problems of complex structure and high cost.

[0004] From the above, it can be seen that the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a pipeline inner wall scale removing device aiming at the deficiency in the background art, which has simple and reasonable structure, low cost, can be powered by a storage battery, can remove scale from pipelines at different positions according to needs, and can flexibly adjust the transmission distance, so that the scale removal work is more convenient.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A pipeline inner wall scale removing device, which comprises a handheld electric drill, the handheld electric drill is connected with a storage battery through a cable, the handheld electric drill is connected with a drill bit through a transmission rod or through the cooperation of the transmission rod and an extension rod, the drill bit comprises a connecting cylinder, a sleeve and three eccentric blades which are arranged in the connecting cylinder and the sleeve in sequence, the overall structure formed by the three eccentric blades is in the shape of a truncated cone, the small-diameter end of the truncated cone structure is fixedly connected with the end of the sleeve, and the large-diameter end of the truncated cone structure is fixedly connected with the other end of the sleeve through three circumferentially distributed support shafts, and a scraper is fixedly installed on the outside of the eccentric blade through a fastening bolt.

[0008] Further, an edge structure is arranged on the end of the transmission rod connected with the handheld electric drill.

[0009] Further, a universal joint is connected to the end of the transmission rod away from the handheld electric drill, and an external thread is arranged on the end of the universal joint away from the transmission rod.

[0010] Further, an internal thread is arranged on one end of the extension rod, and an external thread is arranged on the other end of the extension rod.

[0011] Further, the end of the connecting cylinder is internally threaded.

[0012] Further, the connecting cylinder and the sleeve are fixedly connected through at least two connecting shafts.

[0013] Further, the connecting cylinder and the sleeve are coaxially arranged, and the axis of the connecting shaft is perpendicular to the center line of the connecting cylinder.

[0014] Further, the support shafts are arranged in one-to-one correspondence with the eccentric blades, and the support shafts are arranged at an angle between the sleeve.

[0015] Further, the eccentric blades are arranged in one-to-one correspondence with the scrapers, and each scraper is fixed through two fastening bolts.

[0016] The above technical scheme is adopted in the utility model, and compared with the prior art, the utility model has the following advantages:

[0017] In the utility model, the handheld electric drill is powered by the storage battery, the handheld electric drill drives the drill bit to rotate at high speed, the overall device is convenient to move, so that the inner wall of the pipeline at different positions can be descaled according to needs, and the pipeline at different positions can be descaled without being affected by the power supply.

[0018] The transmission distance between the handheld electric drill and the drill bit can be flexibly selected and adjusted according to the needs of pipelines of different lengths, so that the descaling work is more convenient.

[0019] The utility model can be modified from the existing device, and has the advantages of simple and reasonable structure and low cost.

[0020] The utility model will be described in detail below in combination with the drawings and embodiments. DRAWINGS

[0021] Figure 1 is the structural schematic diagram of the utility model;

[0022] Figure 2 is the schematic diagram of the utility model in another use state;

[0023] Figure 3 is the structural front view of the drill bit;

[0024] Figure 4 is the structural side view of the drill bit.

[0025] In the drawings, 1 is a handheld electric drill, 2 is a storage battery, 3 is a transmission rod, 31 is a prismatic structure, 32 is a universal joint, 4 is an extension rod, 5 is a drill bit, 51 is a connecting cylinder, 52 is a sleeve, 53 is an eccentric blade, 54 is a scraper, 55 is a fastening bolt, 56 is a connecting shaft, and 57 is a support shaft. DETAILED DESCRIPTION

[0026] In order to have a clearer understanding of the technical features, objects and effects of the present application, the specific embodiments of the present application will be described with reference to the drawings.

[0027] As Figures 1-4 The present application provides a pipeline inner wall descaling device, which comprises a handheld electric drill 1, the handheld electric drill 1 is connected with a drill bit 5 through a transmission rod 3 or through the cooperation of the transmission rod 3 and an extension rod 4. The extension rod 4 can be selected flexibly according to the length of the pipeline to be descaled.

[0028] The handheld electric drill 1 is connected with a battery 2 through a cable, the battery 2 supplies power for the handheld electric drill 1, and the handheld electric drill 1 drives the drill bit 5 to rotate at high speed, so as to descale the inner wall of the pipeline.

[0029] The end of the transmission rod 3 connected with the handheld electric drill 1 is provided with a prismatic structure 31, the prismatic structure 31 is convenient to clamp and prevents the transmission rod 3 from sliding or falling off during high-speed rotation.

[0030] A universal joint 32 is connected to the end of the transmission rod 3 away from the handheld electric drill 1, the end of the universal joint 32 away from the transmission rod 3 is provided with an external thread, and the external thread of the universal joint 32 is threadedly connected with the drill bit 5 or the extension rod 4.

[0031] One end of the extension rod 4 is provided with an internal thread, and the other end is provided with an external thread. The internal thread of the extension rod 4 is connected with the external thread of the universal joint 32, and the external thread of the extension rod 4 is connected with the drill bit 5.

[0032] The drill bit 5 comprises a connecting barrel 51, a sleeve 52 and three eccentric blades 53 arranged in sequence from inside to outside.

[0033] The end of the connecting barrel 51 is internally provided with an internal thread, and the internal thread of the connecting barrel 51 is connected with the external thread of the universal joint 32 or the external thread of the extension rod 4.

[0034] The connecting barrel 51 and the sleeve 52 are coaxially arranged, the connecting barrel 51 and the sleeve 52 are fixedly connected through at least two connecting shafts 56, and the axis of the connecting shaft 56 is arranged perpendicularly to the center line of the connecting barrel 51.

[0035] The overall structure formed by the three eccentric blades 53 is in the shape of a conical frustum, the small-diameter end of the conical frustum structure is fixedly connected with the end of the sleeve 52, and the large-diameter end of the conical frustum structure is fixedly connected with the other end of the sleeve 52 through three circumferentially distributed supporting shafts 57.

[0036] The supporting shaft 57 and the eccentric blade 53 are arranged one-to-one, and the supporting shaft 57 and the sleeve 52 are arranged at an included angle.

[0037] The scraping knife 54 is fixedly installed outside the eccentric blade 53 through fastening bolts 55, the eccentric blade 53 and the scraping knife 54 are one-to-one arranged, and each scraping knife 54 is fixed through two fastening bolts 55.

[0038] The specific working principle of the utility model is as follows:

[0039] In the utility model, the handheld electric drill 1 is powered by the storage battery 2, the drill bit 5 is driven to rotate at high speed by the handheld electric drill 1, so that the inner wall of the pipeline at different positions can be descaled according to needs. The transmission distance between the handheld electric drill 1 and the drill bit 5 can be flexibly selected and adjusted according to the needs of pipelines with different lengths, so that descaling is more convenient.

[0040] The above is an example of the best implementation mode of the utility model, wherein the parts not described in detail are all the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A pipeline inner wall descaling device, characterized by: The utility model provides a hand-held electric drill (1), the hand-held electric drill (1) is connected with battery (2) through cable, the hand-held electric drill (1) is connected with drill bit (5) through transmission rod (3) or through the cooperation of transmission rod (3) and extension rod (4);Drill bit (5) includes the connection cylinder (51) that sets gradually from inside to outside, sleeve (52) and three circumferentially distributed eccentric blades (53);The overall structure formed by three eccentric blades (53) is conical frustum shape, and the small diameter end of conical frustum structure is fixedly connected with the end of sleeve (52), and the large diameter end of conical frustum structure is fixedly connected with the other end of sleeve (52) through three circumferentially distributed support shafts (57);The outer portion of eccentric blade (53) is fixedly installed with scraper (54) through fastening bolt (55).

2. A pipeline internal wall descaling device as claimed in claim 1, characterised in that: The end of the transmission rod (3) connected with the hand-held electric drill (1) is provided with a prismatic structure (31).

3. A pipeline internal wall descaling device as claimed in claim 2, characterised in that: The end of the transmission rod (3) away from the hand-held electric drill (1) is connected with a universal joint (32), and the end of the universal joint (32) away from the transmission rod (3) is provided with an external thread.

4. A pipe internal wall descaling device as claimed in claim 1, characterised in that: One end of the extension rod (4) is provided with an internal thread, and the other end is provided with an external thread.

5. A pipe internal wall descaling device as claimed in claim 1, characterised in that: The end of the connection cylinder (51) is provided with an internal thread.

6. A pipe internal wall de-scaling device as claimed in claim 1, characterised in that: The connection cylinder (51) and the sleeve (52) are fixedly connected by at least two connecting shafts (56).

7. A pipe internal wall de-scaling device as claimed in claim 1, wherein: The connection cylinder (51) and the sleeve (52) are coaxially arranged, and the axis of the connecting shaft (56) is perpendicular to the center line of the connection cylinder (51).

8. A pipe internal wall de-scaling device as claimed in claim 1, characterized in that: The support shaft (57) and the eccentric blade (53) are one-to-one corresponding, and the support shaft (57) and the sleeve (52) are arranged at an angle.

9. A pipe internal wall de-scaling device as claimed in claim 1, characterised in that: The eccentric blade (53) and the scraper (54) are one-to-one corresponding, and each scraper (54) is fixed by two fastening bolts (55).

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