CN213869857U - Environmental sampling power head - Google Patents
Environmental sampling power head Download PDFInfo
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- CN213869857U CN213869857U CN202023019581.3U CN202023019581U CN213869857U CN 213869857 U CN213869857 U CN 213869857U CN 202023019581 U CN202023019581 U CN 202023019581U CN 213869857 U CN213869857 U CN 213869857U
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Abstract
The utility model relates to an environment sampling power head, which comprises a gear box, wherein a gear transmission mechanism is arranged in the gear box; the gear transmission mechanism is suitable for driving a shaft to rotate in the gear box in a sleeved mode; the drill shaft is arranged in the shaft hole of the shaft sleeve in a penetrating mode; the connecting sleeve is fixedly arranged at the lower end of the shaft sleeve. Impact is output by the drill shaft, rotation is output by the shaft sleeve, and the impact and the rotation are all located at the same station, so that the size is small, and the integration level is high.
Description
Technical Field
The utility model relates to an environment sampling equipment field, concretely relates to environment sample unit head.
Background
The power head of the soil sampling drilling machine is a key component of the drilling machine, and the main function of the power head is to transmit hydraulic impact to a hollow drilling tool so as to realize soil extraction. In addition, the power head needs to have a large-torque rotation function, and observation well construction is achieved.
In the industry, manufacturers mostly adopt two power heads to independently realize the two functions, impact and rotation are carried out through station changing during use, and the two power heads occupy larger equipment space, so that the position adjustment of an orifice becomes complicated. Also, there are few manufacturers trying to adopt rock drilling to realize the compounding of two functions with an integrated impact power head, as in the prior patent, patent No.: 201410657153.3, respectively; the patent name: a top hammer type impact rotary power head of a hydraulic drilling machine is characterized in that a spline shaft is used for hitting operation and bearing rotary operation. These patents are all seeking to minimize the space occupation, and the central shaft of the structure is limited to transmit impact and large torque, so that the central shaft is difficult to function well.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the environment sampling power head overcomes the defects of the prior art, and solves the problem that the prior power head cannot be well played in environment sampling because a drill shaft in the power head needs to strike and rotate.
The utility model provides a technical scheme that its technical problem adopted is:
an environmental sampling power head comprises
The gear box is internally provided with a gear transmission mechanism;
the gear transmission mechanism is suitable for driving a shaft to rotate in the gear box in a sleeved mode;
the drill shaft is arranged in the shaft hole of the shaft sleeve in a penetrating mode;
the connecting sleeve is fixedly arranged at the lower end of the shaft sleeve; and
and the impactor is suitable for striking the upper end of the drill bit shaft so as to enable the drill bit shaft to move downwards in the shaft hole and output impact.
Furthermore, the upper end and the lower end of the shaft hole are respectively fixedly provided with a copper sleeve, the drill shaft penetrates through the two copper sleeves, and the drill shaft and the copper sleeves form sliding fit.
Further, the gear transmission mechanism comprises a gearwheel and a plurality of driving mechanisms;
the large gear is arranged outside the shaft sleeve and is in key connection with the shaft sleeve;
each driving mechanism is respectively matched with the large gear in a transmission way.
Further, the driving mechanism comprises a hydraulic motor and a pinion, the hydraulic motor is fixedly arranged on the gear box, the pinion is arranged in the gear box, the hydraulic motor is connected with the pinion, and the pinion is meshed with the gearwheel.
Furthermore, bearings are arranged at two ends of the shaft sleeve respectively, and two ends of the shaft sleeve are in rolling fit with the gear box through the bearings respectively.
The utility model has the advantages that:
the environment sampling power head is provided, impact is output by a drill shaft, rotation is output by a shaft sleeve, the impact and the rotation are all positioned at the same station, the size is small, and the integration level is high.
The rotation is output by the shaft sleeve, the torsional moment of inertia is large, the strength is high, and the rigidity is good.
The drill shaft has regular shape, small stress concentration, long fatigue life and convenient replacement;
the drill shaft is reset by the load and does not work when the load is not applied.
The environment sampling method is characterized in that the power head is adopted, the drill shaft can be relied to drive the percussion drilling tool, soil sampling can be directly carried out, the shaft sleeve can be relied to rotate to drive the spiral drilling tool to rotate, the stubborn observation well is dug, and water taking and sampling of the observation well are realized.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 and 2 are perspective views of the environmental sampling power head of the present invention;
FIG. 3 is a half-sectional view of the environmental sampling power head of the present invention;
FIG. 4 is a schematic view of a sleeve shaft;
fig. 5 is a schematic view of a connection sleeve;
the drill bit comprises a gear box 1, a gear box 2, a drill shaft 3, a shaft sleeve 31, a key block 32, a positioning groove 4, a large gear 5, a driving mechanism 51, a hydraulic motor 52, a small gear 6, a copper sleeve 7, a connecting sleeve 71, a connecting cylinder 72, an end face ring body 73, a positioning convex ring 8 and an impactor.
Detailed Description
The invention will now be further described with reference to specific embodiments. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in FIGS. 1 to 5, an environmental sampling power head includes
The gear box 1, set up the gear drive in the said gear box 1;
the gear transmission mechanism is suitable for driving the shaft sleeve 3 to rotate in the gear box 1;
the drill shaft 2 is arranged in the shaft hole of the shaft sleeve 3 in a penetrating way;
the connecting sleeve 7 is fixedly arranged at the lower end of the shaft sleeve 3; and
and an impactor 8 adapted to strike the upper end of the drill shaft 2 to move the drill shaft 2 downward in the shaft hole and output an impact.
Specifically, in this embodiment, the upper end and the lower end of the shaft hole are respectively and fixedly provided with the copper sleeves 6, the drill shaft 2 penetrates through the two copper sleeves 6, and the drill shaft 2 and the copper sleeves 6 form a sliding fit. By means of the copper sleeve 6, the drill shaft 2 can move more stably in the shaft hole.
Specifically, in this embodiment, the gear transmission mechanism includes a large gear 4 and a plurality of driving mechanisms 5; the large gear 4 is arranged outside the shaft sleeve 3, and the large gear 4 and the shaft sleeve 3 form a key connection; each driving mechanism 5 is in transmission fit with the large gear 4.
Specifically, in the present embodiment, the driving mechanism 5 includes a hydraulic motor 51 and a pinion 52, the hydraulic motor 51 is fixedly disposed on the gear box 1, the pinion 52 is disposed in the gear box 1, the hydraulic motor 51 is connected to the pinion 52, and the pinion 52 is engaged with the bull gear 4.
In this embodiment, the number of the driving mechanisms 5 is two, and the two driving mechanisms are respectively and symmetrically arranged at two sides of the gear box 1, and the large gear 4 is driven to rotate by the two hydraulic motors 51, so as to ensure that the shaft sleeve 3 has a larger torque force.
Specifically, in this embodiment, two ends of the shaft sleeve 3 are respectively provided with a bearing, and two ends of the shaft sleeve 3 are respectively in rolling fit with the gear box 1 through the bearings.
Specifically, in this embodiment, as shown in fig. 4 and 5, the connecting sleeve 7 includes a connecting cylinder 71 and an end surface ring 72; a plurality of connecting bolts penetrate through the end face ring body 72 and are screwed with the lower end of the shaft sleeve 3, so that the connecting sleeve 7 is fastened at the lower end of the shaft sleeve 3.
Specifically, in this embodiment, a pair of key blocks 31 is further disposed between the shaft sleeve 3 and the end face ring body 72; by means of the pair of key blocks 31, the sleeve 3 can stably transmit the torsion to the connecting sleeve 7.
Specifically, in this embodiment, the end face ring body 72 is provided with a positioning protruding ring 73, the lower end of the shaft sleeve 3 is provided with a positioning groove 32, and the positioning groove 32 is matched with the positioning protruding ring 73, so that the mounting structure of the lifting connection sleeve 7 is more stable, and the connection bolt can be conveniently screwed in.
In this embodiment, the gear box 1 includes a box body, a rear cover and a front cover, the impactor 8 is fixedly arranged on the rear cover, and the piston of the impactor 8 acts on the upper end of the drill shaft 2.
During operation, a piston of the impact generator strikes the drill shaft 2 in the sleeve shaft, the drill shaft 2 outputs impact downwards, and an impact drilling machine below the drill shaft 2 is driven to drill into soil for sampling.
Two hydraulic motors 51 work, the large gear 4 is driven to rotate through the two small gears 52, the large gear 4 drives the shaft sleeve 3 to rotate, and the shaft sleeve 3 drives the spiral drilling tool below to rotate;
compare in the past, the utility model discloses rely on axle sleeve 3 to drive the spiral drilling tool operation, the diameter of axle sleeve 3 is greater than drill shaft 2, has great moment of inertia that twists reverse, makes the spiral drilling tool can transmit bigger moment of torsion.
The utility model discloses environment sample unit head has following advantage:
impact is output by the drill shaft 2, and rotation is output by the shaft sleeve 3, namely, the drill shaft 2 and the shaft sleeve 3 are respectively output by two sets of power sources and are positioned at the same station, so that the size is small, and the integration level is high.
The rotation is output by the shaft sleeve 3, the torsional moment of inertia is large, the strength is high, and the rigidity is good.
The drill shaft 2 has a regular shape, small stress concentration, long fatigue life and convenient replacement;
the drill shaft 2 is reset by load and does not work when no load exists.
Example two
A method of environmental sampling comprising sampling soil and sampling water;
the soil sampling method comprises the following steps: adopting the environment sampling power head of the first embodiment, installing an impact drilling tool at the lower end of the drill shaft 2, striking the drill shaft 2 by the impactor 8 to drive the impact drilling tool to be driven into soil, and then taking out the impact drilling tool to realize soil sampling;
method for sampling water: by adopting the environment sampling power head of the first embodiment, the spiral drilling tool is arranged on the connecting sleeve 7, the gear transmission mechanism drives the shaft sleeve 3 to rotate, the shaft sleeve 3 drives the spiral drilling tool to drill an observation well in soil, and when well water seeps out of the observation well, the well water is taken for sampling detection.
In the embodiment, the impact drilling tool is driven by the drill shaft 2 to complete soil sampling and the spiral drilling tool is driven by the shaft sleeve 3 to complete water sampling in environment sampling. The drill shaft 2 and the shaft sleeve 3 are respectively driven by two sets of power sources, so that the function of the power head in environmental sampling can be better exerted.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. An environment sampling power head is characterized by comprising
The gear box is internally provided with a gear transmission mechanism;
the gear transmission mechanism is suitable for driving a shaft to rotate in the gear box in a sleeved mode;
the drill shaft is arranged in the shaft hole of the shaft sleeve in a penetrating mode;
the connecting sleeve is fixedly arranged at the lower end of the shaft sleeve; and
and the impactor is suitable for striking the upper end of the drill bit shaft so as to enable the drill bit shaft to move downwards in the shaft hole and output impact.
2. The environmental sampling powerhead of claim 1, wherein,
the upper end and the lower end of the shaft hole are respectively fixedly provided with a copper sleeve, the drill shaft penetrates through the two copper sleeves, and the drill shaft and the copper sleeves form sliding fit.
3. The environmental sampling powerhead of claim 1, wherein,
the gear transmission mechanism comprises a large gear and a plurality of driving mechanisms;
the large gear is arranged outside the shaft sleeve and is in key connection with the shaft sleeve;
each driving mechanism is respectively matched with the large gear in a transmission way.
4. The environmental sampling powerhead of claim 3, wherein,
the driving mechanism comprises a hydraulic motor and a pinion, the hydraulic motor is fixedly arranged on the gear box, the pinion is arranged in the gear box, the hydraulic motor is connected with the pinion, and the pinion is meshed with the gearwheel.
5. The environmental sampling powerhead of claim 1, wherein,
the two ends of the shaft sleeve are respectively provided with a bearing, and the two ends of the shaft sleeve are respectively in rolling fit with the gear box through the bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023019581.3U CN213869857U (en) | 2020-12-15 | 2020-12-15 | Environmental sampling power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023019581.3U CN213869857U (en) | 2020-12-15 | 2020-12-15 | Environmental sampling power head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213869857U true CN213869857U (en) | 2021-08-03 |
Family
ID=77068324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023019581.3U Active CN213869857U (en) | 2020-12-15 | 2020-12-15 | Environmental sampling power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213869857U (en) |
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2020
- 2020-12-15 CN CN202023019581.3U patent/CN213869857U/en active Active
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