CN212689926U

CN212689926U - Special roller mechanism of rock reamer

Info

Publication number: CN212689926U
Application number: CN202020933470.4U
Authority: CN
Inventors: 刘兆营; 陈波; 佟功喜; 孟楠楠; 靳宗福
Original assignee: Tianjin Bowei Zhongtian Drilling Tools Co ltd
Current assignee: Tianjin Bowei Zhongtian Drilling Tools Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-03-12
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a special gear wheel mechanism of rock reamer relates to rock reamer and uses technical field, to the problem of rock wheel working process because of the rubble damage, now proposes following scheme, including the dabber, the dabber has a plurality of risers along the welding of circumferencial direction, the sleeve pipe has been cup jointed on the top outer wall of riser, the sleeve pipe has a plurality of mount pads along the welding of circumferencial direction, the right side of mount pad is rotated and is connected with the gear wheel main part, it is connected with first pivot to rotate on the mount pad, there is initiative bevel gear bottom of first pivot through bolted connection, initiative bevel gear's right side is equipped with driven bevel gear. The utility model discloses a combination of various structures makes the device can protect the junction gap of roller cone motion to prevent that the enlarger from in the course of the work because tiny rock fragments or soil get into the joint gap, thereby harm the roller cone, increase cost, and the replacement waste time of roller cone reduces work efficiency.

Description

Special roller mechanism of rock reamer

Technical Field

The utility model relates to a technical field for the rock reamer especially relates to a special gear wheel mechanism of rock reamer.

Background

The reamer is connected between the drill bit and the core barrel and plays a role in enlarging the aperture and trimming the wall of the hole to ensure that the aperture is not reduced. It is inevitable that the rock reamer will be in contact with rock during operation and when the reamer crushes the rock, rock debris will enter the roller cone of the reamer as the reamer moves, thereby damaging the roller cone.

The roller bit position of current rock reamer does not have protector to make rock reamer let the rock piece get into the roller bit easily in the course of the work, thereby damage the roller bit, increase cost, and reduce work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special gear wheel mechanism of rock reamer has solved the problem because of the rubble damage in the gear wheel working process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cone mechanism special for a rock reamer comprises a mandrel, a plurality of vertical plates are welded on the mandrel along the circumferential direction, the outer wall of the top of the vertical plate is sleeved with a sleeve, the sleeve is welded with a plurality of mounting seats along the circumferential direction, the right side of the mounting seat is rotatably connected with a gear wheel main body, the mounting seat is rotatably connected with a first rotating shaft, the bottom end of the first rotating shaft is connected with a driving bevel gear through a bolt, the right side of the driving bevel gear is provided with a driven bevel gear, the driving bevel gear is in meshing transmission with the driven bevel gear, the right side of the driven bevel gear is connected with a second rotating shaft through a bolt, the right end of the second rotating shaft is provided with a rotating disc, the right side ball of the rotating disc is hinged with a support rod, the top end of the support rod is hinged with a sliding block, the top welding of slider has the support, the right-hand member welding of support has the fender cover, the below of cone main part is equipped with the U template that is located on the sleeve pipe top outer lane.

Preferably, the right-hand member inner wall of dabber is seted up threadedly, the outer lane of dabber has four risers along the equidistance welding of circumferencial direction, first slotted hole has been seted up on the riser, the outer lane of dabber has four dead levers along the equidistance welding of circumferencial direction, the top of dead lever welds on sheathed tube inner wall.

Preferably, a second slot hole is formed in the wall of the top portion of the mounting seat, the bottom end of the first rotating shaft penetrates through the second slot hole, a handle is mounted at the top of the first rotating shaft, a supporting rod is movably connected to the handle, grooves located on the wall of the top portion of the mounting seat are formed in two sides of the second slot hole, and the bottom end of the supporting rod is inserted into the grooves.

Preferably, a support block is welded on the inner wall of the top of the mounting seat, a bearing is mounted at the bottom of the support block, and the bearing is connected with the second rotating shaft through a bolt.

Preferably, a sliding groove is formed in the wall of the top shell of the mounting seat, a sliding block is connected to the inside of the sliding groove in a sliding mode, a supporting rod and a pull rod are hinged to the bottom of the sliding block, and the bottom end of the pull rod is hinged to the blocking cover.

Preferably, the cone body is provided with a sliding groove along the circumferential surface of the outer ring, the top of the U-shaped plate is slidably connected inside the sliding groove, the right side of the shield penetrates through the mounting seat, and the right side of the shield is attached to the cone body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a combination of first pivot of installation, initiative bevel gear, driven bevel gear, second pivot, carousel, vaulting pole, support, pull rod and fender cover makes the device can protect the gap that the gear wheel is connected to prevent during rock piece or soil get into the gap, thereby harm gear wheel, incremental cost.

To sum up, the utility model discloses a combination of various structures makes the device can protect the junction gap of gear wheel motion to prevent that the enlarger from because tiny rock fragment or soil from getting into in the joint gap in the course of the work, thereby harm the gear wheel, increase cost, and the replacement waste time of gear wheel reduces work efficiency.

Drawings

Fig. 1 is a schematic front sectional structural view of a cone mechanism specially used for a rock reamer according to the present invention;

fig. 2 is an enlarged schematic view of a partial sectional structure at a position a of the special roller cone mechanism for a rock reamer provided by the present invention.

In the figure: 1 mandrel, 2 risers, 3 sleeves, 4 mounting bases, 5 cone bodies, 6 first rotating shafts, 7 driving bevel gears, 8 driven bevel gears, 9 second rotating shafts, 10 rotating discs, 11 support rods, 12 supports, 13 shield covers and 14U-shaped plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a rock reamer special cone mechanism comprises a mandrel 1, the mandrel 1 is welded with a plurality of vertical plates 2 along the circumferential direction, the outer wall of the top of each vertical plate 2 is sleeved with a sleeve 3, the sleeve 3 is welded with a plurality of mounting seats 4 along the circumferential direction, the right sides of the mounting seats 4 are rotatably connected with cone bodies 5, the mounting seats 4 are rotatably connected with first rotating shafts 6, the bottom ends of the first rotating shafts 6 are connected with driving bevel gears 7 through bolts, the right sides of the driving bevel gears 7 are provided with driven bevel gears 8, the driving bevel gears 7 and the driven bevel gears 8 are in meshing transmission, the right sides of the driven bevel gears 8 are connected with second rotating shafts 9 through bolts, the right ends of the second rotating shafts 9 are provided with rotating discs 10, the right side of the rotating discs 10 are hinged with support rods 11 through balls, the top ends of the support rods 11 are hinged with sliding blocks, supports 12, a U-shaped plate 14 positioned on the outer ring of the top of the sleeve 3 is arranged below the cone body 5.

The inner wall of the right end of the mandrel 1 is provided with threads, the outer ring of the mandrel 1 is welded with four vertical plates 2 at equal intervals along the circumferential direction, first slotted holes are formed in the vertical plates 2, the outer ring of the mandrel 1 is welded with four fixed rods at equal intervals along the circumferential direction, the top ends of the fixed rods are welded on the inner wall of the sleeve 3, a second slotted hole is formed in the top shell wall of the mounting seat 4, the bottom end of the first rotating shaft 6 penetrates through the second slotted hole, a handle is mounted at the top of the first rotating shaft 6, a resisting rod is movably connected in the handle, grooves are formed in the two sides of the second slotted hole and located in the top shell wall of the mounting seat 4, the bottom end of the resisting rod is inserted into the grooves, a supporting block is welded on the top inner wall of the mounting seat 4, a bearing is mounted at the bottom of the supporting block, the bearing is connected with the second rotating shaft, the bottom end of the pull rod is hinged to the shield 13, a sliding groove is formed in the circumferential surface of the outer ring of the cone main body 5, the top of the U-shaped plate is connected to the inside of the sliding groove in a sliding mode, the right side of the shield 13 penetrates through the mounting seat 4, and the right side of the shield 13 is attached to the cone main body 5.

In this embodiment, first, when the reamer needs to work, the resisting rod is pulled out to rotate the handle, and the first rotating shaft 6 is driven to rotate, so the driving bevel gear 7 is driven to rotate, the driving bevel gear 7 and the driven bevel gear 8 are in meshing transmission, so the second rotating shaft 9 is driven to rotate, the second rotating shaft 9 enables the rotating disc 10 to rotate, the sliding block is enabled to move to the right through the supporting rod 11, the shield 13 is enabled to be attached to the cone body 5 through the combination of the bracket 12 and the pull rod, so the resisting rod is inserted into the groove, so the position of the shield 13 is fixed, the moving distance of the shield 13 is limited, so the rotating angle of the first rotating shaft 6 is limited, so the position of the groove can fix the position of the shield 13, when the cone body 5 rotates, the cone body 5 with the U-shaped plate 14 provides a supporting force and a guiding effect, thereby prolonging the practical service life of the device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The rock reamer special cone mechanism comprises a mandrel (1) and is characterized in that the mandrel (1) is welded with a plurality of vertical plates (2) along the circumferential direction, a sleeve (3) is sleeved on the outer wall of the top of each vertical plate (2), the sleeve (3) is welded with a plurality of mounting seats (4) along the circumferential direction, the right sides of the mounting seats (4) are rotatably connected with a cone main body (5), the mounting seats (4) are rotatably connected with a first rotating shaft (6), the bottom end of the first rotating shaft (6) is connected with a driving bevel gear (7) through bolts, the right side of the driving bevel gear (7) is provided with a driven bevel gear (8), the driving bevel gear (7) and the driven bevel gear (8) are in meshing transmission, the right side of the driven bevel gear (8) is connected with a second rotating shaft (9) through bolts, and the right end of the second rotating shaft (9) is provided with, the right side ball of carousel (10) articulates there is vaulting pole (11), the top of vaulting pole (11) articulates there is the slider, the top welding of slider has support (12), the right-hand member welding of support (12) has fender cover (13), the below of cone main part (5) is equipped with U template (14) that are located sleeve pipe (3) top outer lane.

2. The cone mechanism special for the rock reamer as claimed in claim 1, wherein threads are formed on the inner wall of the right end of the mandrel (1), four vertical plates (2) are welded on the outer ring of the mandrel (1) at equal intervals along the circumferential direction, first slotted holes are formed in the vertical plates (2), four fixing rods are welded on the outer ring of the mandrel (1) at equal intervals along the circumferential direction, and the top ends of the fixing rods are welded on the inner wall of the sleeve (3).

3. The cone mechanism special for the rock reamer as claimed in claim 1, wherein a second slot hole is formed in a wall of a top portion of the mounting seat (4), the bottom end of the first rotating shaft (6) penetrates through the second slot hole, a handle is mounted at the top portion of the first rotating shaft (6), a pushing rod is movably connected in the handle, grooves located in the wall of the top portion of the mounting seat (4) are formed in two sides of the second slot hole, and the bottom end of the pushing rod is inserted into the grooves.

4. The cone mechanism special for the rock reamer as claimed in claim 1, wherein a support block is welded on the inner wall of the top of the mounting seat (4), a bearing is mounted at the bottom of the support block, and the bearing is connected with the second rotating shaft (9) through a bolt.

5. The cone mechanism special for the rock reamer as claimed in claim 1, wherein a sliding groove is formed in the wall of the top portion of the mounting seat (4), a sliding block is connected to the inside of the sliding groove in a sliding manner, a support rod (11) and a pull rod are hinged to the bottom of the sliding block, and the bottom end of the pull rod is hinged to the shield (13).

6. The cone mechanism special for the rock reamer as claimed in claim 1, wherein the cone body (5) is provided with a sliding groove along the circumferential surface of the outer ring, the top of the U-shaped plate is slidably connected to the inside of the sliding groove, the right side of the shield (13) penetrates through the mounting seat (4), and the right side of the shield (13) is attached to the cone body (5).