Drilling depth measuring device and drilling machine

Abstract

The utility model relates to the technical field of mining machinery, and discloses a drilling depth measuring device and a drilling machine. The drilling depth measuring device comprises a drill rod body. The power trolley is connected with the drill rod body and used for driving the drill rod body to ascend and descend; the power trolley comprises a supporting shaft and a gear shaft, and the drill rod body ascends and descends to drive the gear shaft to rotate. The measuring structure comprises a driving gear, a driven gear and a converter, the driving gear is installed on a gear shaft, and the gear shaft rotates to drive the driving gear to rotate synchronously; the driven gear is mounted on the supporting shaft and is in transmission connection with the driving gear; the converter is connected with the driven gear and used for converting the number of rotation turns of the driven gear into the drilling depth. The drilling depth measuring device is low in cost, good in anti-interference performance, high in measuring efficiency and high in precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mine machinery, especially relates to a drilling depth measuring device and drilling machine. BACKGROUND

[0002] In the field of open pit mining, geotechnical engineering, foundation construction and the like, drilling depth is a key parameter of construction quality, directly affecting the charge quantity, blasting effect and engineering safety.

[0003] 1. Artificial measurement is low in efficiency and large in error, especially in a dusty environment; artificial intervention is needed after stopping, affecting operation continuity;

[0004] 2. Sensor measurement is greatly disturbed by the environment, and factors such as light, dust and vibration in open-air operation easily lead to measurement error of traditional sensors;

[0005] 3. Sensor measurement is high in cost, and some high-precision sensor devices are expensive and complex to maintain. UTILITY MODEL CONTENT

[0006] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a drilling depth measuring device, which is low in cost, good in anti-interference, high in measurement efficiency and precision.

[0007] The utility model further provides a drilling machine with the drilling depth measuring device.

[0008] The drilling depth measuring device according to the first aspect of the utility model comprises:

[0009] A drill rod body;

[0010] A power trolley connected with the drill rod body, the power trolley being used to drive the drill rod body to lift, the power trolley comprising a support shaft and a gear shaft, the drill rod body lifting driving the gear shaft to rotate;

[0011] A measuring structure comprising a driving gear, a driven gear and a converter, the driving gear being installed on the gear shaft, the gear shaft rotating driving the driving gear to rotate synchronously, the driven gear being installed on the support shaft, the driven gear being connected with the driving gear in transmission, the converter being connected with the driven gear, the converter being used to convert the rotation number of the driven gear into drilling depth.

[0012] The drilling depth measuring device according to the utility model embodiment has at least the following beneficial effects:

[0013] The drilling rod body and the converter are directly associated through the driving gear and the driven gear, the drilling depth of the drilling rod can be calculated in real time, measurement is not needed, and the measurement precision is high; the measurement structure is a mechanical structure except the converter, the structure is simple, the manufacturing cost is low, installation and maintenance are easy, the environmental adaptability is high, and the interference of factors such as illumination, dust and vibration on the measurement data can be greatly reduced.

[0014] According to some embodiments of the present application, the converter is mounted on the support shaft, and the converter is connected with the driven gear through a flexible coupling.

[0015] According to some embodiments of the present application, the measurement structure further comprises a first base and a second base, the first base is connected with the support shaft, the second base is detachably connected with the first base, and the driven gear and the converter are both mounted on the second base.

[0016] According to some embodiments of the present application, the second base is provided with two bearing housings arranged at intervals, an installation shaft is arranged between the two bearing housings, and the driven gear is rotatably mounted on the installation shaft about an axis of the driven gear.

[0017] The axial length of the installation shaft is greater than the axial length of the driven gear.

[0018] According to some embodiments of the present application, the driving gear is welded with the gear shaft, and / or the first base is welded with the support shaft.

[0019] According to some embodiments of the present application, the second base is provided with a cover, and the converter is mounted in the cover.

[0020] According to some embodiments of the present application, the cover is mounted on the outer surface of the second base.

[0021] According to some embodiments of the present application, the pitch and the diameter of the teeth of the driving gear and the driven gear are equal.

[0022] According to some embodiments of the present application, the driving gear and the driven gear are connected through a chain transmission.

[0023] The drilling rig according to the second aspect of the present application comprises the drilling depth measurement device, so the drilling rig has all the beneficial effects of the drilling depth measurement device, which will not be repeated here.

[0024] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0025] The utility model will be further described below in combination with the drawings and embodiments, in which:

[0026] Figure 1 It is structural schematic diagram of drilling depth measuring device of first aspect embodiment of the application;

[0027] Figure 2 It is Figure 1 The enlarged view at A in the figure.

[0028] Reference signs:

[0029] Drill rod body 100;

[0030] Power trolley 200, support shaft 210, gear shaft 220;

[0031] Measuring structure 300, driving gear 310, driven gear 320, converter 330, flexible coupling 340, first base 350, second base 360, bearing seat 361, mounting shaft 362, cover 370, containing cavity 371, partition plate 372. DETAILED DESCRIPTION

[0032] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and can not be understood as limiting the utility model.

[0033] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of the indication, for example, up and down, is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it can not be understood as limiting the utility model.

[0034] In the description of the utility model, more refers to two or more. If there is a description to the first, the second is only used for distinguishing technical features for the purpose, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0035] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0036] With reference to Figure 1 ,Figure 2 As shown in the first aspect of the utility model embodiment, the drilling depth measuring device comprises a drill rod body 100, a power trolley 200 and a measuring structure 300, the power trolley 200 is connected with the drill rod body 100, the power trolley 200 is used to drive the drill rod body 100 to lift to carry out drilling operation, the power trolley 200 comprises a support shaft 210 and a gear shaft 220, the drill rod body 100 drives the gear shaft 220 to rotate when lifting, the measuring structure 300 comprises a driving gear 310, a driven gear 320 and a converter 330, the driving gear 310 is installed on the gear shaft 220, the gear shaft 220 drives the driving gear 310 to rotate synchronously when rotating, the driven gear 320 is installed on the support shaft 210, and the driven gear 320 is connected with the driving gear 310 in transmission, the converter 330 is connected with the driven gear 320, and the converter 330 is used to convert the rotation number of the driven gear 320 into drilling depth.The drilling depth measuring device of the embodiment can calculate the drilling depth of the drill rod in real time, without the need of measurement, and the measurement precision is high, the measuring structure 300 is a mechanical structure except the converter 330, the structure is simple, the manufacturing cost is low, easy to install and maintain, and the environmental adaptability is strong, and the interference of factors such as illumination, dust and vibration on the measurement data can be greatly reduced.

[0037] In the embodiment of the utility model, the gear pitch and the tooth diameter of the driving gear 310 and the driven gear 320 are equal, and the driving gear 310 and the driven gear 320 are connected through chain transmission.Specifically, the size and the gear pitch of the driving gear 310 and the driven gear 320 are basically same, so that the driving gear 310 rotates one round, and the driven gear 320 also rotates one round synchronously, so that the conversion step during calculation can be reduced. Figure 1 As shown in the first aspect of the utility model embodiment, the drilling depth measuring device comprises a drill rod body 100, a power trolley 200 and a measuring structure 300, the power trolley 200 is connected with the drill rod body 100, the power trolley 200 is used to drive the drill rod body 100 to lift to carry out drilling operation, the power trolley 200 comprises a support shaft 210 and a gear shaft 220, the drill rod body 100 drives the gear shaft 220 to rotate when lifting, the measuring structure 300 comprises a driving gear 310, a driven gear 320 and a converter 330, the driving gear 310 is installed on the gear shaft 220, the gear shaft 220 drives the driving gear 310 to rotate synchronously when rotating, the driven gear 320 is installed on the support shaft 210, and the driven gear 320 is connected with the driving gear 310 in transmission, the converter 330 is connected with the driven gear 320, and the converter 330 is used to convert the rotation number of the driven gear 320 into drilling depth.The drilling depth measuring device of the embodiment can calculate the drilling depth of the drill rod in real time, without the need of measurement, and the measurement precision is high, the measuring structure 300 is a mechanical structure except the converter 330, the structure is simple, the manufacturing cost is low, easy to install and maintain, and the environmental adaptability is strong, and the interference of factors such as illumination, dust and vibration on the measurement data can be greatly reduced.

[0038] In the embodiment of the utility model, converter 330 is installed on support shaft 210, converter 330 is connected with driven gear 320 through flexible coupling 340, thereby can eliminate the influence caused by the concentricity deviation of driven gear 320 and converter 330, reduce the installation difficulty.

[0039] In the embodiment of the utility model, the measuring structure 300 further includes a first base 350 and a second base 360, the first base 350 is connected with the support shaft 210, the second base 360 is detachably connected with the first base 350, and the driven gear 320 and the converter 330 are both installed on the second base 360. Figure 2 As shown in the figure, the first base 350 is fixedly connected with the support shaft 210, for example, welded or connected through fasteners, to ensure that the first base 350 cannot rotate relative to the support shaft 210 or move along the axial direction of the support shaft 210; the second base 360 is detachably connected with the first base 350, facilitating individual replacement of the driven gear 320 and the converter 330, and reducing maintenance costs.

[0040] It should be understood that the driving gear 310 is also fixedly connected with the gear shaft 220, for example, welded, to ensure that the driving gear 310 cannot rotate relative to the gear shaft 220 or move along the axial direction of the gear shaft 220.

[0041] In the embodiment of the utility model, the second base 360 is provided with two axially spaced bearing seats 361, and an installation shaft 362 is arranged between the two bearing seats 361, and the driven gear 320 is rotatably mounted on the installation shaft 362 about its own axis; the axial length of the installation shaft 362 is greater than the axial length of the driven gear 320. Figure 2 As shown in the figure, the axial length of the installation shaft 362 is greater than the axial length of the driven gear 320, facilitating the sliding of the driven gear 320 along the axial length of the installation shaft 362, so as to fine-tune the installation position of the driven gear 320, and ensure that the driving gear 310 and the driven gear 320 are in the same plane.

[0042] In the embodiment of the utility model, the second base 360 is provided with a cover 370, and the converter 330 is installed in the cover 370. Figure 2 As shown in the figure, the cover 370 is installed on the outer surface of the second base 360, and the cover 370 is preferably connected with the second base 360 through fasteners, so as to facilitate individual maintenance and replacement of the cover 370. The cover 370 is provided with a containing cavity 371, and a partition plate 372 is arranged in the containing cavity 371, and the converter 330 is installed on the partition plate 372; the converter 330 is connected with the driven gear 320 through the flexible coupling 340, the partition plate 372 is directly spaced apart from the driven gear 320, and the flexible coupling 340 is installed between the partition plate 372 and the driven gear 320.

[0043] The method for measuring the drilling depth by the measuring device of the embodiment is as follows:

[0044] The depth when the power trolley 200 is at the highest position is set as zero, and the power trolley 200 is lifted to rotate the driven gear 320 through the driving gear 310; the period length of one rotation of the driven gear 320 is obtained in advance, the driven gear 320 is connected with the converter 330 through the flexible connecting shaft 340, the converter 330 counts the rotation angle of the driven gear 320, and the product of the rotation angle and the period length is the drilling depth. Through the measuring device of the embodiment, the drilling depth can be obtained in real time, and the precision is high and the cost is low.

[0045] It should be noted that there is an operation of replacing the drill rod body 100 during the drilling operation, that is, when the first drill rod body 100 is completely drilled into the ground, the power trolley 200 needs to be lifted to the highest position to connect the second drill rod body 100; the length of the drill rod body 100 is known, so when the power trolley 200 returns to the highest position again, the data of the converter 330 is cleared and the length of the first drill rod body 100 is counted; similarly, when the second drill rod body 100 is completely drilled into the ground and the power trolley 200 is lifted to the highest position to connect the third drill rod body 100, the data of the converter 330 is cleared and the sum of the length of the first drill rod body 100 and the length of the second drill rod body 100 is counted.

[0046] The drilling machine of the second aspect embodiment of the utility model comprises the drilling depth measuring device. Since the drilling machine comprises the drilling depth measuring device, the drilling machine has all the beneficial effects of the drilling depth measuring device, which will not be repeated here.

[0047] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0048] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled persons in the art without departing from the purpose of the utility model.

Claims

1. A borehole depth measuring device, characterized in that, The drilling depth measuring device comprises: a drill rod body; a power trolley connected with the drill rod body, the power trolley being used to drive the drill rod body to lift; the power trolley comprises a support shaft and a gear shaft, the drill rod body lifting drives the gear shaft to rotate; a measuring structure comprising a driving gear, a driven gear and a converter, the driving gear being installed on the gear shaft, the gear shaft rotating drives the driving gear to rotate synchronously; the driven gear being installed on the support shaft, the driven gear being connected with the driving gear in transmission; the converter being connected with the driven gear, the converter being used to convert the number of rotation of the driven gear into the drilling depth.

2. The borehole depth measuring device of claim 1, wherein: the converter being installed on the support shaft, the converter being connected with the driven gear through a flexible coupling; 3. The borehole depth measuring device of claim 1, wherein: the measuring structure further comprising a first base and a second base, the first base being connected with the support shaft, the second base being detachably connected with the first base, the driven gear and the converter being installed on the second base.

4. The borehole depth measuring device of claim 3, wherein: the second base being installed with two bearing seats arranged at intervals, an installation shaft being arranged between the two bearing seats, the driven gear being rotatably installed on the installation shaft around its own axis; an axial length of the installation shaft being greater than an axial length of the driven gear.

5. The borehole depth measuring device of claim 3, wherein: the driving gear being welded with the gear shaft, and / or the first base being welded with the support shaft.

6. The borehole depth measuring device of claim 3, wherein: the second base being installed with a cover, the converter being installed in the cover.

7. The borehole depth measuring device of claim 6, wherein: the cover being installed on an outer surface of the second base.

8. The borehole depth measuring device of claim 1, wherein: a pitch and a diameter of teeth of the driving gear and the driven gear being equal.

9. The borehole depth measuring device of claim 1, wherein: the driving gear and the driven gear being connected through chain transmission.

10. A rig characterized by: the drilling depth measuring device according to any one of claims 1 to 9.

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