CN214471876U - Reamer for geological survey - Google Patents

Abstract

The utility model discloses a enlarger for geological survey, including the reaming head, the first upper end of reaming has been installed and has been connected the taper sleeve, and the reaming head is provided with fixed establishment with being connected between the taper sleeve, connects the taper sleeve upper end and has installed the water guide sleeve, and fixed swivel nut has been installed to water guide sleeve upper end, rotates on the fixed swivel nut outer wall and has installed the connecting plate, and the support frame has been installed to the connecting plate upper end, is equipped with the sliding opening on the support frame, and it has the chi strip to run through in the sliding opening, and the support frame facial make-up is equipped with the air level, and the chi strip bottom is inserted and is established subaerial, and the cover is equipped with the dog on the outer wall of chi strip bottom. When the reaming head reams, the ruler strips on the supporting frame are prevented from rotating relatively, the anchoring rods at the bottom ends of the ruler strips and on the stop blocks are inserted into the ground to be fixed, and an operator can judge whether the reamer deflects by observing the scale values and the level state of the air level on the ruler strips of the indicator marks on the two sides, so that the reamer has a good guide effect when being used.

Description

Reamer for geological survey

Technical Field

The utility model belongs to the technical field of geological survey equipment, concretely relates to enlarger for geological survey.

Background

Geological exploration is investigation and research activities of surveying and detecting geology through various means and methods, determining a proper bearing stratum, determining a foundation type according to the foundation bearing capacity of the bearing stratum and calculating foundation parameters.

In the geological survey construction, because the investigation stratum is comparatively complicated, when the sample is driling to it, often can take place inside cliff breakage, the phenomenon such as falling the piece or collapsing appears, these rubbles that drop etc. can hinder the deepening of sample drill bit, perhaps make its card on downthehole wall, if do not carry out effectual processing to it, can cause the damaged condition of drilling, cause certain economic loss, in handling downthehole accident, conventional mode is to carry out reaming processing to it, clean up in the accident drilling, thereby protect drilling, the weak point of existence has: however, in the reaming process, since the diameter of the reamer is larger than the diameter of the drilled hole, in the actual operation process, it is difficult to ensure that the central axis of the reamer is consistent with the central axis of the drilled hole, which causes some errors in the reamed hole and causes the problem that the reaming position of the reamer is easy to deviate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a enlarger for geological survey to solve the easy problem of leading partially of enlarger reaming position that exists among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a geological survey is with enlarger, includes the reaming head, the first upper end of reaming has been installed and has been connected the taper sleeve, be provided with fixed establishment between reaming head and the connection taper sleeve, connect the taper sleeve upper end and have been installed the water guide sleeve, fixed swivel nut has been installed to water guide sleeve upper end, the connecting plate has been installed in the rotation on the fixed swivel nut outer wall, the support frame has been installed to the connecting plate upper end, be equipped with the sliding opening on the support frame, it has the chi strip to run through in the sliding opening, the support frame facial make-up is equipped with the air level, the chi strip bottom is inserted and is established subaerial, and the cover is equipped with the dog on the chi strip bottom outer wall.

Preferably, the fixing mechanism comprises a fixing bolt, at least two thread grooves are oppositely formed in the outer walls of the two sides of the reaming head, at least two threaded holes are correspondingly formed in the connecting taper sleeve and are stepped, and the fixing bolt is inserted into the thread grooves and the threaded holes.

Preferably, the connecting plate is provided with a bearing hole, the fixed threaded sleeve penetrates through the bearing hole and is arranged on the ring, the support frame is of an L-shaped structure, the bottom end of the ruler strip is of a conical structure, the support frame is provided with an indicator, and the indicating end of the indicator is located on the scale surface of the ruler strip.

Preferably, the bottom end of the stop block is provided with an anchoring rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a reamer for geological survey, through be provided with fixed establishment between the first box connection taper sleeve of reaming, fixing bolt in the fixed establishment makes the reaming head be detachable design with being connected the taper sleeve, when the reaming head breaks down and needs to be changed, only need with fixing bolt from the thread groove in screw thread groove revolve alright change the reaming head, this sets up also to carry out the separation design with the reaming head equally, water guide sleeve and fixed swivel nut, need change its whole when having avoided the reaming head to damage, the utilization ratio of part material has been improved.

The utility model provides a reamer for geological survey, the connecting plate has been installed through rotating on fixed swivel nut outer wall, when the reaming head shifts down the reaming, fixed swivel nut takes place relative rotation with the connecting plate under the dead eye effect, chi strip on the support frame has avoided it to take place relative rotation, anchor rod on chi strip bottom and the dog inserts subaerial, thereby effectively fix the chi strip, operating personnel is located the scale interval on the chi strip through observing both sides indicator, and combine level bubble levelness state, thereby judge whether the skew takes place for the reamer, play better guide effect when having the use to the reamer.

Drawings

FIG. 1 is a partially cut-away front view of the present invention;

FIG. 2 is an enlarged view of a portion a of FIG. 1;

FIG. 3 is an enlarged schematic view of FIG. 1 at b;

fig. 4 is an enlarged schematic view of fig. 2 at c.

In the figure: the hole expanding device comprises a hole expanding head 1, a connecting taper sleeve 2, a water guide sleeve 3, a fixed threaded sleeve 4, a connecting plate 5, a supporting frame 6, a sliding opening 7, a ruler strip 8, a leveling bubble 9, a stop block 10, a fixing bolt 11, a threaded groove 12, a threaded hole 13, a bearing hole 14, an indicator 15 and an anchoring rod 16.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, 2 and 4, a geological exploration reamer comprises a reaming head 1, a connecting taper sleeve 2 is bolted on the upper end of the reaming head 1, a fixing mechanism is arranged between the reaming head 1 and the connecting taper sleeve 2, the fixing mechanism comprises a fixing bolt 11, two thread grooves 12 are oppositely arranged on the outer walls of two sides of the reaming head 1, two threaded holes 13 are correspondingly arranged on the connecting taper sleeve 2, the threaded holes 13 are in a step shape, the fixing bolt 11 is in threaded connection with the threaded holes 12 and the threaded holes 13, the fixing bolt 11 is arranged to facilitate maintenance and replacement of the reaming head 1, the integral structure is prevented from being replaced when the reaming head 1 is damaged, material waste is avoided, a water guide sleeve 3 is welded on the upper end of the connecting taper sleeve 2, an inclined water guide groove is distributed on the outer wall of the water guide sleeve 3, the water guide groove discharges cooling water filled in the reaming, and the cooling effect of the reaming head 1 is improved, the upper end of the water guide sleeve 3 is welded with a fixed threaded sleeve 4, the fixed threaded sleeve 4 is connected and fixed with a drill rod of a drilling machine, and then the drill rod is driven by a transmission motor at the upper end of the drill rod.

Referring to fig. 1, 2 and 3, a connecting plate 5 is rotatably mounted on the outer wall of a fixed threaded sleeve 4, a supporting frame 6 is welded at the upper end of the connecting plate 5, a sliding opening 7 is formed in the supporting frame 6, a ruler strip 8 penetrates through the sliding opening 7, a bearing hole 14 is formed in the connecting plate 5, the fixed threaded sleeve 4 is in interference fit with the inner ring of the bearing hole 14, when the fixed threaded sleeve 4 is rotated, the connecting plate 5 rotates relative to the connecting plate through the bearing hole 14, the ruler strip 8 fixes the rotating direction of the connecting plate 5, the supporting frame 6 is of an L-shaped structure, the bottom end of the ruler strip 8 is of a conical structure, an indicator 15 is bonded on the supporting frame 6, the indicating end of the indicator 15 is located on the scale surface of the ruler strip 8, the scale value of the indicator 15 located on the ruler strip 8 indicates the drilling depth of the reaming head 1, so that an operator can accurately control the reamer, a leveling bubble 9 is bonded on the supporting frame 6, and the leveling bubble 9 performs leveling treatment on the supporting frame 6, make reaming head 1 be in the vertical condition all the time, the chi strip 8 bottom is inserted subaerial, and the interference has emboliaed dog 10 on the outer wall of 8 bottoms of chi strip, and anchor rod 16 has been laid to dog 10 bottom, and anchor rod 16 carries out the secondary to chi strip 8 and fixes, improves the spacing effect of chi strip 8 to support frame 6.

When the hole expanding operation is required to be carried out on the drilled hole, an operator connects and fixes the fixing screw sleeve 4 and a drill rod on a drilling machine, inserts the upper end of the hole expanding head 1 into the connecting taper sleeve 2, enables the thread groove 12 on the hole expanding head 1 to correspond to the thread hole 13 on the connecting taper sleeve 2, inserts the fixing bolt 11 into the thread hole 13 and the thread groove 12, thereby fixing the hole expanding head 1, the arrangement is convenient for mounting and dismounting the hole expanding head 1, when the hole expanding head 1 is damaged, only the hole expanding head needs to be replaced independently, the waste of materials of the water guide sleeve 3 and the fixing screw sleeve 4 is avoided, then the ruler strip 8 penetrates out of the sliding opening 7 on the support frame 6, the bottom end of the ruler strip 8 is inserted, simultaneously the anchoring rod 16 on the bottom end of the stop block 10 is inserted on the ground, the ruler strip 8 is fixed, simultaneously the operator observes the levelness of the level bubble 9 on the support frame 6, and adjusts the levelness of the support frame 6, the central axis of the reaming head 1 is required to be measured to be consistent with the central axis of a drilled hole, then a transmission motor on the drilling machine is driven, the output shaft end of the transmission motor indirectly drives the reaming head 1 to rotate at a high speed, a fixed threaded sleeve 4 is in interference fit with an inner ring of a bearing hole 14 on a connecting plate 5, a ruler strip 8 penetrates through a sliding port 7 on a support frame 6, the rotating direction of the connecting plate 5 is limited under the connection of the support frame 6, so that when the reaming head 1 moves downwards for reaming, the support frame 6 moves vertically, an operator observes the scale value of an indicator 15 on the operator on the ruler strip 8, accurately knows the reaming depth of the reaming head 1, and observes whether a level bubble 9 on the support frame 6 deviates or not in the reaming process at any time, thereby ensuring the position correctness of the reaming head 1 in the reaming process.

Claims (4)

1. A geological survey reamer, comprising a reamer head (1), characterized in that: the reaming head is characterized in that a connecting taper sleeve (2) is installed at the upper end of the reaming head (1), a fixing mechanism is arranged between the reaming head (1) and the connecting taper sleeve (2), a water guide sleeve (3) is installed at the upper end of the connecting taper sleeve (2), a fixed threaded sleeve (4) is installed at the upper end of the water guide sleeve (3), a connecting plate (5) is installed on the outer wall of the fixed threaded sleeve (4) in a rotating mode, a supporting frame (6) is installed at the upper end of the connecting plate (5), a sliding opening (7) is formed in the supporting frame (6), a ruler strip (8) penetrates through the sliding opening (7), a leveling bubble (9) is installed on the supporting frame (6), the bottom end of the ruler strip (8) is inserted into the ground, and a stop block (10) is sleeved on the outer wall of the bottom end of the ruler strip (8).

2. The reamer for geological exploration according to claim 1, wherein: the fixing mechanism comprises a fixing bolt (11), at least two thread grooves (12) are oppositely arranged on the outer walls of two sides of the reaming head (1), at least two thread holes (13) are correspondingly arranged on the connecting taper sleeve (2), the thread holes (13) are in a step shape, and the fixing bolt (11) is inserted into the thread grooves (12) and the thread holes (13).

3. The reamer for geological exploration according to claim 1, wherein: be equipped with dead eye (14) on connecting plate (5), fixed swivel nut (4) run through in dead eye (14) inner race, support frame (6) are L shape structure, chi strip (8) bottom is the toper structure, support frame (6) facial make-up is equipped with indicator (15), indicator (15) indicate the end to be located on chi strip (8) scale surface.

4. The reamer for geological exploration according to claim 1, wherein: an anchoring rod (16) is arranged at the bottom end of the stop block (10).

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