Telescopic coal seam drilling device
By adding a fixed plate and a sliding plate to the trolley arm and using a hydraulic cylinder to drive the sliding plate to move, the extension distance of the drill is increased, solving the problem of operating the drilling device in narrow positions and achieving better drilling coverage.
Patent Information
- Application Number
- CN202520240736.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Existing drilling equipment is difficult to effectively extend into coal seams to locations with small cross-sections and narrow spaces, making drilling operations difficult.
Design a telescopic coal seam drilling device. By adding a fixed plate and a second sliding plate to the trolley arm, and using a hydraulic cylinder to drive the sliding plate and support plate to move, the effective extension distance of the drill is increased.
It significantly increases the range of motion of the drill bit, enabling it to better reach the face in narrow locations, thus improving the accessibility and efficiency of drilling.
Smart Images

Figure CN223608462U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of telescopic device, more particularly to a telescopic coal seam drilling device. BACKGROUND
[0002] Coal seam drilling refers to drilling at relevant positions in the coal seam, passing through the drilling to open up the gas extraction channel, and then extracting the gas through the drilling, usually using a drill rod and a drilling machine for drilling operation.
[0003] Since the drilling position is usually high, manual operation is inconvenient, therefore the drill rod and the drilling machine are usually installed on a trolley, and the trolley sends the drill rod to the designated position for drilling operation, but the length of the arm of the trolley is limited, and for some coal seams with small cross section and deep depth, the arm of the trolley is difficult to enter, therefore an auxiliary device for drilling with the drill rod can be designed. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a telescopic coal seam drilling device which can assist in sending the drill rod into the drilling position and improve the movable range of the drill rod.
[0005] The utility model realizes the following technical scheme: the telescopic coal seam drilling device of the utility model, including trolley arm, first sliding plate is slidably arranged on the trolley arm, first driving device is used to drive the first sliding plate and slide along the trolley arm, fixed plate is arranged on the first sliding plate, second sliding plate is slidably arranged on the fixed plate, support plate is arranged on the second sliding plate, drilling device is arranged on the support plate, and second driving device is arranged on the fixed plate and used to drive the second sliding plate to move.
[0006] Further, the fixed plate and the first sliding plate are detachably connected.
[0007] Further, the support plate and the first sliding plate are detachably connected.
[0008] Further, first sliding grooves are formed on both sides of the first sliding plate, and the trolley arm is slidably arranged in the first sliding grooves; the fixed plate is provided with a plurality of first clamping plates, the first sliding plate is provided with a first fixing block at the end, and the first fixing block is provided with a first connecting hole; a first bolt is arranged in the first connecting hole, and the first bolt is threadedly connected with the first clamping plate after penetrating through the first connecting hole; and the first clamping plate is slidably arranged in the first sliding groove.
[0009] Further, the support plate side edge is provided with a plurality of second clamping plates, the second sliding plate end is provided with a second fixed block, the second fixed block is provided with a second connecting hole, and the second connecting hole is provided with a second bolt.
[0010] Further, the first clamping plate and the second clamping plate are the same in parameters, and the first fixed block and the second fixed block are the same in parameters.
[0011] Further, the first driving device comprises a first hydraulic cylinder arranged in the trolley arm, and the first hydraulic cylinder is fixedly connected with the first sliding plate.
[0012] Further, the second driving device comprises a second hydraulic cylinder arranged on the fixed plate, and the second hydraulic cylinder is fixedly connected with the second sliding plate.
[0013] Further, the fixed plate upper side is provided with a T-shaped sliding strip, the second sliding plate lower side is provided with a T-shaped second sliding groove, and the sliding strip is slidably arranged in the second sliding groove.
[0014] The technical scheme of the utility model has at least the following advantages and beneficial effects: the utility model discloses the telescopic coal seam drilling device, the fixed plate and the second sliding plate are added on the basis of the existing trolley, the fixed plate is fixed on the first sliding plate, so that the fixed plate can move along with the first sliding plate, the support plate is fixed on the second sliding plate, so that the support plate and the drilling device above it can move along with the second sliding plate, so that the first sliding plate and the fixed plate move under the action of the first driving device, the second sliding plate, the support plate and the drilling device move under the action of the second driving device, therefore the effective extension distance of the drilling device is significantly increased, and the drilling device can also reach the working face for drilling in the place with small cross section and narrow position. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The utility model provides a telescopic coal seam drilling device's one state's structure schematic drawing for embodiment of the utility model;
[0016] Figure 2 The utility model provides a telescopic coal seam drilling device's two state's structure schematic drawing for embodiment of the utility model;
[0017] Figure 3 The utility model provides a telescopic coal seam drilling device's one state's structure schematic drawing for embodiment of the utility model; Figure 2 Another perspective structure schematic drawing;
[0018] Figure 4 The utility model provides a telescopic coal seam drilling device's one state's structure schematic drawing for embodiment of the utility model;
[0019] Figure 5A structure schematic view of a support plate part provided by the utility model embodiment;
[0020] Figure 6 A structure schematic view of a fixed plate part provided by the utility model embodiment;
[0021] Figure 7 A Figure 1 An enlarged view of A part in the middle;
[0022] Figure 8 A Figure 2 An enlarged view of B part in the middle;
[0023] Figure 9 A Figure 2 An enlarged view of C part in the middle.
[0024] Icon: 11-trolley arm, 12-first sliding plate, 13-first hydraulic cylinder, 14-first sliding groove, 15-first fixed block, 16-first bolt, 21-fixed plate, 22-second sliding plate, 23-second hydraulic cylinder, 24-support plate, 25-drilling device, 26-first clamping plate, 27-second clamping plate, 28-second fixed block, 29-second bolt. DETAILED DESCRIPTION
[0025] EMBODIMENT
[0026] The following is further illustrated in combination with specific embodiments, such as the accompanying Figure 1 - the accompanying Figure 9 As shown in the accompanying drawings, the telescopic coal seam drilling device of the embodiment comprises a trolley arm 11, a first sliding plate 12 slidingly arranged on the trolley arm 11, a first driving device for driving the first sliding plate 12 to slide along the trolley arm 11, a fixed plate 21 arranged on the first sliding plate 12, a second sliding plate 22 slidingly arranged on the fixed plate 21, a support plate 24 arranged on the second sliding plate 22, a drilling device 25 arranged on the support plate 24, and a second driving device arranged on the fixed plate 21 for driving the second sliding plate 22 to move. Specifically, the fixed plate 21 and the second sliding plate 22 are newly added on the basis of the existing trolley, wherein the fixed plate 21 is fixed on the first sliding plate 12, so that the fixed plate 21 can move with the first sliding plate 12, the support plate 24 is fixed on the second sliding plate 22, so that the support plate 24 and the drilling device 25 above the support plate 24 can move with the second sliding plate 22, so that the first sliding plate 12 and the fixed plate 21 move under the action of the first driving device, and the second sliding plate 22, the support plate 24 and the drilling device 25 move under the action of the second driving device, so that the effective extension distance of the drilling device 25 is significantly increased. For drilling in a place with a small cross section and a narrow position, the drilling device 25 can also reach the working face well.
[0027] The fixed plate 21 in the embodiment is detachably connected with the first sliding plate 12. The support plate 24 is detachably connected with the first sliding plate 12. First sliding grooves 14 are formed on both sides of the first sliding plate 12, and the trolley arm 11 is slidingly arranged in the first sliding grooves 14. The fixed plate 21 is provided with a plurality of first clamping plates 26 on the side edges, the first sliding plate 12 is provided with a first fixing block 15 at the end, the first fixing block 15 is provided with a first connecting hole, the first connecting hole is provided with a first bolt 16, the first bolt 16 is threadedly connected with the first clamping plate 26 after penetrating through the first connecting hole, and the first clamping plate 26 is slidingly arranged in the first sliding groove 14. The support plate 24 is provided with a plurality of second clamping plates 27 on the side edges, the second sliding plate 22 is provided with a second fixing block 28 at the end, the second fixing block 28 is provided with a second connecting hole, the second connecting hole is provided with a second bolt 29, and the second bolt 29 is threadedly connected with the second clamping plate 27 after penetrating through the second connecting hole. The parameters of the first clamping plate 26 and the second clamping plate 27 are the same, and the parameters of the first fixing block 15 and the second fixing block 28 are the same. Specifically, the fixed plate 21 can be fixed on the first sliding plate 12 through the first bolt 16, the first fixing block 15 and the first clamping plate 26, and the support plate 24 can be fixed on the second sliding plate 22 through the second bolt 29, the second fixing block 28 and the second clamping plate 27, so that the structure in the drawings is achieved Figure 2 、 8 , 9, at this time, the drill has a longer drilling depth. The fixed plate 21 can also be removed from the first sliding plate 12, the support plate 24 can be removed from the second sliding plate 22, and then the support plate 24 can be directly fixed on the fixing block of the first sliding plate 12 through the second clamping plate 27 and the second bolt 29 (as shown in the structure of the drawings) Figure 1 、 7 ). In this way, the fixed plate 21 and the second sliding plate 22 are not needed to extend the movable range of the drill 25, and the device is more stable and less likely to loosen. When the movable range of the drill 25 needs to be increased, the fixed plate 21 and the second sliding plate 22 can be assembled on the first sliding plate 12.
[0028] The first driving device in the embodiment includes a first hydraulic cylinder 13 arranged in the trolley arm 11, and the telescopic rod of the first hydraulic cylinder 13 is fixedly connected with the first sliding plate 12.
[0029] The second driving device in the embodiment includes a second hydraulic cylinder 23 arranged on the fixed plate 21, and the telescopic rod of the second hydraulic cylinder 23 is fixedly connected with the second sliding plate 22.
[0030] The fixed plate 21 in the embodiment is provided with a T-shaped sliding strip on the upper side, the second sliding plate 22 is provided with a T-shaped second sliding groove on the lower side, and the sliding strip is slidably arranged in the second sliding groove.
[0031] In conclusion, the telescopic coal seam drilling device adds the fixed plate 21 and the second sliding plate 22 on the basis of the existing trolley, the fixed plate 21 is fixed on the first sliding plate 12, so that the fixed plate 21 can move with the first sliding plate 12, the support plate 24 is fixed on the second sliding plate 22, so that the support plate 24 and the drilling device 25 above the support plate 24 can move with the second sliding plate 22, so that the first sliding plate 12 and the fixed plate 21 move under the action of the first driving device, the second sliding plate 22, the support plate 24 and the drilling device 25 move under the action of the second driving device, and therefore the effective extension distance of the drilling device 25 is significantly increased, and the drilling device 25 can also reach the working face for drilling in a small cross-section and narrow position.
[0032] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A retractable coal seam drilling apparatus, characterised in that: The first slide plate (12) is slidably arranged on the trolley arm (11), a first driving device is arranged on the trolley arm (11) to drive the first slide plate (12) to slide along the trolley arm (11), a fixed plate (21) is arranged on the first slide plate (12), a second slide plate (22) is slidably arranged on the fixed plate (21), a support plate (24) is arranged on the second slide plate (22), a drill (25) is arranged on the support plate (24), and a second driving device is arranged on the fixed plate (21) to drive the second slide plate (22) to move.
2. The retractable coal seam drilling apparatus of claim 1, wherein: The fixed plate (21) is detachably connected with the first slide plate (12).
3. The retractable coal seam drilling apparatus of claim 2, wherein: The support plate (24) is detachably connected with the first slide plate (12).
4. The retractable coal seam drilling apparatus of claim 3, wherein: First sliding grooves (14) are arranged on both sides of the first slide plate (12), and the trolley arm (11) is slidably arranged in the first sliding grooves (14). First clamping plates (26) are arranged on the side edges of the fixed plate (21), first fixing blocks (15) are arranged at the ends of the first slide plate (12), first connecting holes are arranged in the first fixing blocks (15), first bolts (16) are arranged in the first connecting holes, and the first bolts (16) are threadedly connected with the first clamping plates (26) after penetrating through the first connecting holes. The first clamping plates (26) are slidably arranged in the first sliding grooves (14).
5. The retractable coal seam drilling apparatus of claim 4, wherein: Second clamping plates (27) are arranged on the side edges of the support plate (24), second fixing blocks (28) are arranged at the ends of the second slide plate (22), second connecting holes are arranged in the second fixing blocks (28), second bolts (29) are arranged in the second connecting holes, and the second bolts (29) are threadedly connected with the second clamping plates (27) after penetrating through the second connecting holes.
6. The retractable coal seam drilling apparatus of claim 5, wherein: The first clamping plates (26) and the second clamping plates (27) have the same parameters, and the first fixing blocks (15) and the second fixing blocks (28) have the same parameters.
7. The retractable coal seam drilling apparatus of claim 1, wherein: The first driving device comprises a first hydraulic cylinder (13) arranged in the trolley arm (11), and the telescopic rod of the first hydraulic cylinder (13) is fixedly connected with the first slide plate (12).
8. The retractable coal seam drilling apparatus of claim 1, wherein: The second driving device comprises a second hydraulic cylinder (23) arranged on the fixed plate (21), and the telescopic rod of the second hydraulic cylinder (23) is fixedly connected with the second slide plate (22).
9. The retractable coal seam drilling apparatus of claim 1, wherein: A T-shaped sliding bar is arranged on the upper side of the fixed plate (21), a T-shaped second sliding groove is arranged on the lower side of the second slide plate (22), and the sliding bar is slidably arranged in the second sliding groove.