Coal mine underground drill rod counting device
By designing a combination of support plates, housings, and photoelectric sensors in underground coal mines, the visualization and automation of drill pipe counting were achieved, solving the problems of low efficiency and poor accuracy of traditional manual counting, and improving construction efficiency and safety.
Patent Information
- Application Number
- CN202520298756.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Traditional manual drill rod counting methods are inefficient, time-consuming, labor-intensive, and prone to errors, failing to guarantee the accuracy and safety of drilling operations.
A drill pipe counting device for underground coal mines was designed, including a support plate, a box, an insertion hole, a guide groove, a guide wheel assembly, a through-beam photoelectric sensor, and a display panel. The guide groove and guide wheel assembly provide guidance and limit, the photoelectric sensor detects the drill pipe's position information, and the counter and display panel are combined to achieve visual counting.
It improves the accuracy of drill pipe counting and construction efficiency, reduces manual counting errors, and enhances the stability and safety of drill pipe placement.
Smart Images

Figure CN223712186U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of underground drilling technology in coal mines, and specifically relates to an underground drill rod counting device for coal mines. Background Technology
[0002] Currently, drilling is used to extract gas before coal mining. The drilling depth plays a key role in the gas extraction capacity. Therefore, the accuracy of drill rod counting is an important link to ensure construction progress and safe production.
[0003] Traditional drill pipe counting methods rely heavily on manual labor. Each time a drill pipe is drilled forward or pulled back, a dedicated person is needed to count it. After the manual counting is completed, a special person is needed to verify the number of drill pipes. This is not only time-consuming and labor-intensive, but also prone to errors and large inconsistencies.
[0004] Therefore, there is an urgent need for a drill pipe counting device in coal mines to solve the above problems. Utility Model Content
[0005] To address the aforementioned deficiencies in existing technologies, this utility model provides a coal mine underground drill rod counting device, comprising a support plate and a housing. The support plate is positioned above the housing and has multiple insertion holes, each with a number plate at its location. The housing is hollow, with multiple inserts vertically inserted inside. The tops of the inserts are open, extending beyond the top of the housing. The number of inserts matches the number of insertion holes, and each insert corresponds one-to-one with a specific insertion hole. Four support rods are fixedly connected between the housing and the support plate, located at the four corners of the housing. The position of the support rods does not affect the insertion of the drill rod into the insertion holes of the support plate or the inserts of the housing.
[0006] Optionally, each insertion hole has a transverse guide groove on the left and right sides of the hole wall, a guide rod is inserted in the guide groove, one end of the guide rod is connected to the inner wall of the guide groove with a spring, and the other end of the guide rod passes through the guide groove and is fixed with a guide wheel assembly.
[0007] Specifically, the guide wheel assembly, guide rod, spring, and guide groove provide guidance and limit for the drill rod as it passes through the insertion hole, while the spring also serves to reset and rebound the guide wheel assembly.
[0008] Optionally, the guide wheel assembly includes several vertically arranged guide wheels, each with a groove on its surface.
[0009] Specifically, the grooves facilitate the positioning of the drill rod and reduce deviation.
[0010] Optionally, the inside of the box is provided with a counter, the outside of the box is provided with a display panel, and each insertion sleeve is provided with a pair of photoelectric sensors, the photoelectric sensors comprise a matched emitter and a receiver, and the emitter and the receiver are arranged on the left and right sides of the insertion sleeve, the photoelectric sensors are electrically connected with the counter, and the counter is electrically connected with the display panel.
[0011] Specifically, after the bottom end of the drill rod is inserted into the insertion sleeve, the photoelectric sensors can detect the in-place information of the drill rod, transmit the detection signal to the counter, and then transmit the data to the display panel, so that the data information is displayed on the display panel and presented to the workers for viewing, thereby assisting the counting.
[0012] Optionally, the supporting rod is a telescopic rod, and the telescopic rod comprises an inner rod and an outer rod which are arranged in a sleeved mode, and the outer rod is provided with a fixing bolt for fixing the inner rod.
[0013] Specifically, the height of the supporting plate can be adjusted by the telescopic rod, so that the drill rod of different lengths can be adapted, and the stability of the drill rod is improved.
[0014] The utility model also includes other components which can make the coal mine underground drill rod counting device normally used, such as wires, power supplies and switches, and all are the conventional technical means in the field. In addition, the devices or components which are not limited in the utility model all adopt the conventional technical means in the field, such as counters, display panels and photoelectric sensors.
[0015] The working principle of the utility model is that, in use, the length of the supporting rod is adjusted according to the length of the drill rod, then the height of the supporting plate is adjusted, the drill rod is inserted into the insertion hole of the supporting plate from top to bottom, the bottom end of the drill rod is inserted into the insertion sleeve of the box, and the top end of the drill rod is exposed for a distance, so that the worker can easily extract the drill rod, the digital card is pasted near the insertion hole, the worker can check and count conveniently, the display panel can display the current counting condition, and the effect of assisting counting is achieved; when drilling is performed, the number of drill rods in the device is reduced, the number of reduction can be checked according to the digital card and the display panel, and the number of drill rods in the device is increased when the drill rod is disassembled, the counting process is visualized through the digital card, the counter and the display panel, the situation of manual mental counting error is reduced, the construction efficiency is improved, and the accuracy of counting is ensured.
[0016] The utility model discloses an advantageous effect is, through the support plate and box, conveniently place the drill rod vertically, avoid the risk of falling and hurting of the drill rod horizontal placement, improve the stability and safety of placement, the digital card is pasted in the vicinity of the insertion hole, and the box is provided with the opposite type photoelectric sensor, counter and display panel, and the worker is convenient to check and count, realizes the visualization of the counting process, reduces the mistake of manual brain counting, improves the construction efficiency, guarantees the accuracy of counting, the telescopic support rod is arranged between the support plate and the box, and it is convenient to adapt to the drill rod of different length, improves the scope of application, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model is further described below in combination with the drawings and examples.
[0018] Figure 1 It is the whole structure schematic diagram of the utility model.
[0019] Figure 2 It is Figure 1 The sectional view of A-A direction in it.
[0020] Figure 3 It is Figure 2 The enlarged schematic view of B part structure in it.
[0021] In the drawing: 1. support plate, 2. box, 3. insertion hole, 4. digital card, 5. guide slot, 6. guide rod, 7. spring, 8. guide wheel group, 9. insertion cylinder, 10. opposite type photoelectric sensor, 11. transmitter, 12. receiver, 13. display panel, 14. support rod, 15. drill rod. DETAILED DESCRIPTION
[0022] The utility model is clearly described below in combination with the drawings in the utility model example and specific example, and the description in this place is only used to explain the utility model, but not as the limitation to the utility model. Based on the example in the utility model, all other examples obtained by the person skilled in the art without making creative labor, any modification, equivalent replacement, improvement etc. of the utility model, should include in the protection scope of the utility model.
[0023] EXAMPLE
[0024] Such as Figures 1-3The utility model discloses a kind of coal mine underground drill rod counting devices, including support plate 1 and box 2, support plate 1 is arranged at the top of box 2, multiple insertion holes 3 are opened in support plate 1, and digital card 4 is arranged at the position of each insertion hole 3, and the hole wall on the left and right sides of each insertion hole 3 is all provided with horizontal guide slot 5, guide rod 6 is penetrated in guide slot 5, and the inner wall between one end of guide rod 6 and guide slot 5 is connected with spring 7, the other end of guide rod 6 is penetrated out of guide slot 5 and is fixed with guide wheel set 8, and guide wheel set 8 includes several vertical arrangement guide wheels, and the surface of each guide wheel is provided with recess.
[0025] It can be understood that the setting of guide wheel set 8, guide rod 6, spring 7 and guide slot 5 can provide guidance and limiting for the process of drill rod 15 penetrating insertion hole 3, and spring 7 plays the role of reset rebound for guide wheel set 8; in addition, the recess of guide wheel facilitates the positioning of drill rod 15, and reduces deviation.
[0026] The inside of box 2 is hollow, multiple insertion cylinders 9 are vertically penetrated in box 2, the top of insertion cylinder 9 is open, and the opening penetrates out of the top of box 2, the number of insertion cylinder 9 is same with the number of insertion hole 3, and multiple insertion cylinders 9 correspond to multiple insertion holes 3 one by one, and the inside of box 2 is provided with counter (not shown in the figure), and the outside of box 2 is provided with display panel 13, each insertion cylinder 9 is provided with opposite type photoelectric sensor 10, opposite type photoelectric sensor 10 includes matching emitter 11 and receiver 12, and emitter 11 and receiver 12 are separately arranged on the left and right sides of insertion cylinder 9, opposite type photoelectric sensor 10 is electrically connected with counter (not shown in the figure), and counter (not shown in the figure) is electrically connected with display panel 13.
[0027] It can be understood that after the bottom end of drill rod 15 is inserted into insertion cylinder 9, opposite type photoelectric sensor 10 can detect the in-place information of drill rod 15, and transmit detection signal to counter (not shown in the figure), and counter (not shown in the figure) transmits data to display panel 13, and display panel 13 displays data information, and presents to worker, which plays the role of auxiliary counting.
[0028] Four support rods 14 are fixedly connected between box 2 and support plate 1, and four support rods 14 are located at the four corners of box 2, and the position of support rod 14 will not affect the insertion of drill rod 15 into insertion hole 3 of support plate 1 and insertion cylinder 9 of box 2.
[0029] It can be understood that the setting of telescopic rod is convenient for adjusting the height of support plate 1, to adapt to drill rod 15 of different lengths, to improve the stability of drill rod 15 placement.
[0030] The working principle of the utility model is, in use, according to the length of the drill rod 15, the length of the supporting rod 14 is adjusted, and then the height of the supporting plate 1 is adjusted, then the drill rod 15 is passed through the insertion hole 3 of the supporting plate 1 from top to bottom, the bottom end of the drill rod 15 is inserted into the insertion cylinder 9 of the box body 2, the top end of the drill rod 15 will expose a distance, which is convenient for workers to extract the drill rod 15, the digital card 4 is pasted near the insertion hole 3, which is convenient for workers to check and count, and the display panel 13 can display the current counting condition, which plays an auxiliary counting effect; when drilling operation is carried out, the number of drill rods 15 in the device is reduced, the reduced number can be checked according to the digital card 4 and the display panel 13, and in the same way, when the drill rod 15 is disassembled, the number of drill rods 15 in the device will increase, the counting process is visualized through the digital card 4, the counter (not shown in the figure) and the display panel 13, the situation that manual mental counting is wrong is reduced, the construction efficiency is improved, and the accuracy of counting is ensured.
[0031] The above has described the embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A coal mine downhole drill rod counting device, comprising a support plate and a box, characterized in that: The support plate is arranged above the box body, a plurality of insertion holes are arranged on the support plate, and a number plate is arranged at the position of each insertion hole, the inside of the box body is hollow, a plurality of insertion sleeves are vertically arranged in the box body, the number of the insertion sleeves is the same as that of the insertion holes, the plurality of insertion sleeves correspond to the plurality of insertion holes one by one, four support rods are fixedly connected between the box body and the support plate, and the four support rods are located at the four corners of the box body.
2. A coal mine downhole drill rod counting device according to claim 1, characterised in that: A horizontal guide groove is arranged on the hole wall on the left and right sides of each insertion hole, a guide rod is arranged in the guide groove, a spring is connected between one end of the guide rod and the inner wall of the guide groove, and the other end of the guide rod penetrates out of the guide groove and is fixed with a guide wheel set.
3. A coal mine downhole drill rod counting device according to claim 2, characterised in that: The guide wheel set comprises a plurality of vertically arranged guide wheels, and a groove is arranged on the surface of each guide wheel.
4. A coal mine downhole drill rod counter as claimed in claim 3 wherein: A counter is arranged in the inside of the box body, a display panel is arranged on the outside of the box body, a pair of photoelectric sensors are arranged on each insertion sleeve, the pair of photoelectric sensors are electrically connected with the counter, and the counter is electrically connected with the display panel.
5. A coal mine downhole drill rod counting device according to claim 4, characterised in that: The support rod is a telescopic rod, the telescopic rod comprises an inner rod and an outer rod which are arranged in a sleeved mode, and a fixing bolt for fixing the inner rod is arranged on the outer rod.