CN218896517U

CN218896517U - Degaussing device for drill rod

Info

Publication number: CN218896517U
Application number: CN202223289710.XU
Authority: CN
Inventors: 田召; 尹延辉; 李长青; 李金歌; 田松胜
Original assignee: Pingdingshan Yibaolong Mining Machinery Co ltd
Current assignee: Pingdingshan Yibaolong Mining Machinery Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-04-21
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a drill rod demagnetizing device, which comprises a base and two demagnetizing coils, wherein the demagnetizing coils are movably arranged above the base; the inner cavity of the base is horizontally provided with a screw rod connected with the power of the motor, the front threads and the back threads at the two ends of the screw rod are respectively sheathed with a sliding block, and the sliding blocks upwards penetrate through a movable opening arranged on the base and are fixedly connected with the corresponding demagnetizing coils; a drill rod is horizontally and movably arranged in the middle of the inner cavities of the two demagnetizing coils which are arranged in parallel; the middle part of the drill rod is supported on a horizontally arranged supporting plate, and the supporting plate is connected with an adjusting mechanism arranged in the middle of the base; the left end and the right end of the base are symmetrically provided with fixing components for clamping and fixing the end of the drill rod. The device is simple and convenient to use, high in demagnetization efficiency and good in demagnetization effect of the drill rod, and can be used for stably fixing the demagnetization drill rod, so that the influence of shaking and falling of the drill rod on demagnetization operation is avoided.

Description

Degaussing device for drill rod

Technical Field

The utility model belongs to the field of coal mine equipment, and particularly relates to a drill rod demagnetizing device.

Background

In drilling operation, the magnetic property of the drill rod can influence the measurement precision of the measurement while drilling system, thereby influencing the drilling quality. It is therefore necessary to eliminate the remanence on the drill rod before it leaves the factory.

The traditional demagnetizer can only carry out unidirectional demagnetization, and the operation must be repeated for many times, so that the demagnetization efficiency is lower. In order to improve the demagnetizing efficiency, the existing bidirectional demagnetizer can demagnetize from the middle to two ends simultaneously. But current two-way demagnetizer only keeps flat the drilling rod in the middle of when using on the support, and the drilling rod is placed to the support and need found the balancing point in middle part, otherwise the drilling rod can topple over to one side to external force such as the vibration of frame in the demagnetization process can cause the rocking of drilling rod to drop, and the fixation of drilling rod is very unstable, influences the demagnetization effect.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide the drill rod demagnetizing device which is simple and convenient to use, high in demagnetizing efficiency and good in demagnetizing effect, and can be used for stably fixing a demagnetizing drill rod, so that the influence of shaking and falling of the drill rod on demagnetizing operation is avoided.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the demagnetizing device for the drill rod comprises a base and two demagnetizing coils, wherein the demagnetizing coils are movably arranged above the base; the inner cavity of the base is horizontally provided with a screw rod connected with the power of the motor, the front threads and the back threads at the two ends of the screw rod are respectively sheathed with a sliding block, and the sliding blocks upwards penetrate through a movable opening arranged on the base and are fixedly connected with the corresponding demagnetizing coils; a drill rod is horizontally and movably arranged in the middle of the inner cavities of the two demagnetizing coils which are arranged in parallel; the middle part of the drill rod is supported on a horizontally arranged supporting plate, and the supporting plate is connected with an adjusting mechanism arranged in the middle of the base; the left end and the right end of the base are symmetrically provided with fixing components for clamping and fixing the end of the drill rod.

Preferably, the fixing component comprises a telescopic rod horizontally arranged on the base, the telescopic rod and the center of the demagnetizing coil are positioned on the same horizontal line, and a fixing block matched with the end part of the drill rod is arranged at the telescopic end of the telescopic rod.

Preferably, the side surface of the fixed block is provided with a groove, and the end part of the drill rod is abutted in the groove.

Preferably, the adjusting mechanism comprises a mounting box and two movable rods, the mounting box is fixedly arranged in the middle of the upper part of the base, a screw rod is horizontally arranged in the mounting box, and the screw rod is connected with a crank outside the mounting box; corresponding movable blocks are sleeved on the positive and negative threads at the two ends of the screw rod; the supporting plate is movably arranged in the clamping groove above the mounting box, the bottom of the supporting plate is provided with a movable cavity, the movable cavity is movably provided with a rolling shaft, the upper ends of the two movable rods penetrate through the movable cavity and respectively rotate on the corresponding rolling shafts, the middle parts of the two movable rods are rotationally connected together, and the bottoms of the two movable rods are respectively rotationally connected to the corresponding movable blocks.

Preferably, a chute is arranged at the bottom of the installation box, and the lower end of the movable block is horizontally and slidably clamped in the chute.

Preferably, the top surface of the supporting plate is provided with an arc-shaped bracket downwards, and the drill rod is placed in the bracket.

Preferably, the two sides of the inner wall of the bracket are symmetrically provided with a plurality of supporting rollers perpendicular to the drill rod, and the supporting rollers are arranged along the length direction of the bracket.

The utility model has the beneficial effects that:

1. the middle part of the drill rod is horizontally supported on the supporting plate, and the drill rod passes through the inner cavities of the two degaussing coils and is positioned on the same horizontal line with the center of the degaussing coils. The left end and the right end of the base are symmetrically provided with fixing components, so that the left end and the right end of the drill rod are effectively clamped and fixed.

2. The centers of the two telescopic rods, the drill rod and the two demagnetizing coils are all positioned on the same horizontal line, the two telescopic rods extend towards the middle to clamp and fix the two ends of the drill rod effectively, so that the drill rod is fixed in the middle of the demagnetizing coils horizontally, and the drill rod can be demagnetized efficiently along with the movement of the coils from the two sides of the middle phase.

3. When demagnetizing the drilling rod of different diameters, because the drilling rod diameter is different, the drilling rod can not be in on the central line of demagnetizing coil after placing on the layer board, and accessible adjustment mechanism drives the layer board and reciprocates this moment, realizes effectively adjusting the drilling rod height position, and then makes drilling rod and two telescopic links be in same horizontal line, and the fixed subassembly of being convenient for carries out the centre gripping fixedly, and then makes this device be applicable to the drilling rod demagnetization of multiple model use.

4. The drilling rod supports are placed on the surface of the carrier roller, when the two telescopic rods clamp and fix the drilling rod towards the middle part, the drilling rod can slide left and right in the bracket under the rolling support of the carrier roller, rigid friction contact between the drilling rod and the bracket is avoided, and the surface of the drilling rod is placed to be scratched.

5. The fixed block, the supporting plate, the carrier roller and other structures are all made of nonmetal materials, so that the influence on the demagnetization of the drill rod can be effectively avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side cross-sectional view of the mounting case of the present utility model;

fig. 3 is a schematic structural view of a fixing block according to the present utility model.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are provided for illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-3, the utility model provides a drill rod demagnetizing device, which comprises a base 1 and two demagnetizing coils 2, wherein the two demagnetizing coils 2 are movably arranged above the base 1 in parallel with each other. The screw rod 11 coaxially and fixedly connected with the output circumference of the motor 12 is horizontally arranged in the inner cavity of the base 1, the two ends of the screw rod 11 are provided with a positive thread and a negative thread, and the positive thread and the negative thread are respectively sheathed with a sliding block 111. The upper surface of the base 1 is provided with a movable opening communicated with the cavity, and the sliding block 111 penetrates through the movable opening upwards to be fixedly connected with the corresponding demagnetizing coil 2. The motor 12 drives the screw 11 to rotate, so that the two sliding blocks 111 drive the demagnetizing coils 2 to approach or separate from each other simultaneously.

An adjusting mechanism is arranged on the base 1 between the two demagnetizing coils 2, a supporting plate 3 is horizontally arranged above the adjusting mechanism, the middle part of a drill rod 6 is horizontally supported on the supporting plate 3, and the drill rod 6 passes through the inner cavities of the two demagnetizing coils 2 and is positioned on the same horizontal line with the center of the demagnetizing coils 2. The left and right ends of the base 1 are symmetrically provided with fixing components, so that the left and right ends of the drill rod 6 are effectively clamped and fixed.

Specifically, the fixed subassembly includes telescopic link 5 that horizontal installation was on base 1, and telescopic link 5 adopts electric putter. The telescopic rod 5 and the center of the demagnetizing coil 2 are positioned on the same horizontal line, and a fixed block 51 matched with the end part of the drill rod 6 is arranged at the telescopic end of the telescopic rod 5. Grooves 510 are formed in the opposite side surfaces of the two fixing blocks 51, and the end portions of the drill rods 6 are abutted in the grooves 510, so that the end portions of the drill rods 6 can be effectively limited and fixed. Wherein, in order to avoid influencing the degaussing effect of the drill rod 6, the fixing block 51 is made of non-metal materials. In the utility model, the centers of the two telescopic rods 5, the drill rod 6 and the two demagnetizing coils 2 are all positioned on the same horizontal line, the two telescopic rods 5 extend towards the middle to effectively clamp and fix the two ends of the drill rod 6, so that the drill rod 6 is horizontally fixed in the middle of the demagnetizing coils 2, and the drill rod 6 can be demagnetized efficiently along with the movement of the coils 2 from the two sides of the middle phase.

The adjusting mechanism comprises a mounting box 4 and two movable rods 43, the mounting box 4 is fixedly arranged in the middle of the upper part of the base 1, a screw rod 42 is horizontally arranged in the mounting box 4, and the screw rod 42 is connected with a crank 41 outside the mounting box 4. Corresponding movable blocks 41 are sleeved on the positive and negative threads at the two ends of the screw rod 42. The bottom of the mounting box 4 is horizontally provided with a chute 40, and the lower end of the movable block 41 is horizontally and slidably clamped in the chute 40. The draw-in groove has been run through about install bin 4 top downwards, and layer board 3 activity is established in the draw-in groove, and layer board 3 bottom is equipped with movable chamber 32, and the activity of movable chamber 32 is equipped with roller 321, has seted up on the layer board 3 bottom surface with movable chamber 32 intercommunication wear groove 320, two movable rod 43's upper ends stretch into in the movable chamber 32 and rotate respectively on corresponding roller 321, and movable chamber 32 can restrict the activity of roller 321. The middle parts of the two movable rods 43 are rotatably connected together, and the bottoms of the two movable rods are rotatably connected to the corresponding movable blocks 41 respectively. When the crank handle 41 is rotated to drive the screw rod 42, the two movable blocks 41 are close to each other, and then the supporting plate 3 is lifted upwards through the roller 321 by the scissor structure consisting of the movable rods 43, and then the drill rod 6 is lifted upwards through the supporting plate 3. When the drill rod 6 with different diameters is demagnetized, the drill rod 6 cannot be positioned on the central line of the demagnetizing coil 2 after being placed on the supporting plate 3 due to different diameters of the drill rod 6, and at the moment, the supporting plate 3 is driven to move up and down through the adjusting mechanism, so that the high and low positions of the drill rod 6 are effectively adjusted, the drill rod 6 and the two telescopic rods 5 are positioned on the same horizontal line, the fixing assembly is convenient to clamp and fix, and the device is further suitable for demagnetizing the drill rod 6 with various models.

Wherein, the top surface of layer board 3 has offered curved bracket 30 downwards, and drilling rod 6 is placed in bracket 30, and curved bracket 30 can better match drilling rod 6 outer circumference, makes the placing of drilling rod 6 more stable. In addition, carrier rollers 31 are symmetrically arranged on two sides of the inner wall of the bracket 30 perpendicular to the drill rod 6, the carrier rollers 31 are arranged in a plurality along the length direction of the bracket 30, two rows of carrier rollers 31 are further arranged in parallel in the bracket 30, the drill rod 6 is supported and placed on the surface of the carrier rollers 31, when the two telescopic rods 5 clamp and fix the drill rod 6 to the middle part, the drill rod 6 can slide left and right in the bracket 30 under the rolling support of the carrier rollers 31, rigid friction contact between the drill rod 6 and the bracket 30 is avoided, and the surface of the drill rod 6 is placed to be scratched. In order to avoid the influence on the demagnetization of the drill rod 6, the structures of the supporting plate 3, the carrier roller 31 and the like are all made of nonmetal materials.

When the utility model is used, the demagnetizing coils 2 are positioned on the left side and the right side of the base 1, the middle part of the drill rod 6 is horizontally placed in the bracket 30 of the supporting plate 3, the crank 41 drives the screw rod 42 to rotate, the scissor structure consisting of the movable rods 43 drives the supporting plate 3 to move up and down, the supporting height of the drill rod 6 is adjusted, the drill rod 6 is adjusted to be positioned on the same horizontal line with the two telescopic rods 5, the telescopic rods 5 are started to drive the fixed blocks 51 on the two sides to move towards the middle part, and the end part of the drill rod 6 is clamped and fixed in the groove 510. Then, the motor 12 is started to drive the screw 11 to rotate, so that the sliding block 111 drives the degaussing coil 2 to move to the middle of the drill rod 6, then the degaussing coil 2 is started, and simultaneously the motor 12 is reversed to enable the sliding block 111 to drive the degaussing coil 2 to move to two sides of the drill rod 6 to conduct degaussing.

It is apparent that the embodiments described above are only some embodiments of the present application, but not all embodiments, the preferred embodiments of the present application are given in the drawings, but not limiting the patent scope of the present application. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a more thorough understanding of the present disclosure. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing, or equivalents may be substituted for elements thereof. All equivalent structures made by the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the protection scope of the application.

Claims

1. The utility model provides a drilling rod degaussing device, includes base and two degaussing coil, its characterized in that: the demagnetizing coil is movably arranged above the base; the inner cavity of the base is horizontally provided with a screw rod connected with the power of the motor, the front threads and the back threads at the two ends of the screw rod are respectively sheathed with a sliding block, and the sliding blocks upwards penetrate through a movable opening arranged on the base and are fixedly connected with the corresponding demagnetizing coils; a drill rod is horizontally and movably arranged in the middle of the inner cavities of the two demagnetizing coils which are arranged in parallel; the middle part of the drill rod is supported on a horizontally arranged supporting plate, and the supporting plate is connected with an adjusting mechanism arranged in the middle of the base; the left end and the right end of the base are symmetrically provided with fixing components for clamping and fixing the end of the drill rod.

2. The drill rod demagnetizing device of claim 1, wherein: the fixing component comprises a telescopic rod horizontally arranged on the base, the telescopic rod and the center of the demagnetizing coil are positioned on the same horizontal line, and a fixing block matched with the end part of the drill rod is arranged at the telescopic end of the telescopic rod.

3. The drill rod demagnetizing device of claim 2, wherein: the side of the fixed block is provided with a groove, and the end part of the drill rod is abutted in the groove.

4. The drill rod demagnetizing device of claim 1, wherein: the adjusting mechanism comprises a mounting box and two movable rods, the mounting box is fixedly arranged in the middle of the upper part of the base, a screw rod is horizontally arranged in the mounting box, and the screw rod is connected with a crank outside the mounting box; corresponding movable blocks are sleeved on the positive and negative threads at the two ends of the screw rod; the supporting plate is movably arranged in the clamping groove above the mounting box, the bottom of the supporting plate is provided with a movable cavity, the movable cavity is movably provided with a rolling shaft, the upper ends of the two movable rods penetrate through the movable cavity and respectively rotate on the corresponding rolling shafts, the middle parts of the two movable rods are rotationally connected together, and the bottoms of the two movable rods are respectively rotationally connected to the corresponding movable blocks.

5. The drill rod demagnetizing device of claim 4, wherein: the bottom of the installation box is provided with a chute, and the lower end of the movable block is horizontally and slidably clamped in the chute.

6. The drill rod demagnetizing device of claim 1, wherein: the top surface of layer board has offered curved bracket downwards, the drilling rod is placed in the bracket.

7. The drill rod demagnetizing device of claim 6, wherein: and the two sides of the inner wall of the bracket are symmetrically provided with carrier rollers perpendicular to the drill rod, and the carrier rollers are arranged along the length direction of the bracket.