CN215369763U - Core pusher - Google Patents
Core pusher Download PDFInfo
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- CN215369763U CN215369763U CN202121592614.5U CN202121592614U CN215369763U CN 215369763 U CN215369763 U CN 215369763U CN 202121592614 U CN202121592614 U CN 202121592614U CN 215369763 U CN215369763 U CN 215369763U
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- connecting rod
- core
- support frame
- rod
- pushing device
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Abstract
The utility model provides a core pushing device which comprises a support frame, a pushing piece and a driving assembly, wherein the pushing piece can extend into a drill rod and can move back and forth relative to the support frame, the driving assembly is arranged between the pushing piece and the support frame, and the driving assembly is used for driving the pushing piece to be close to or far away from the support frame. When the core pushing device provided by the utility model is used for taking out the core in the drill rod, the pushing force is applied to the end face of the core to replace the operation of knocking the drill rod or filling water into the drill rod, so that the vibration damage to the core is avoided, the intact shape of the core is ensured, and the humidity of the core is not influenced. The problem of the rock core sample humidity that exists when utilizing prior art to take out the inside rock core sample of drill bit is big, the rock core shape is impaired is solved.
Description
Technical Field
The utility model relates to the technical field of geological exploration equipment, in particular to a core pushing device.
Background
By core is meant a cylindrical shaped rock mass excavated from the ground by an earth-boring machine, i.e. a sample of rock taken from the ground, the properties of the soil strata near the core can be better understood and studied by studying the chemical composition of the core. Core retrieval typically utilizes a drilling machine to cut, grind, and break rock in various ways, allowing the drill bit to drill continuously deep into the rock formation and to cut and retrieve the core. The carved rock core enters a drill rod, and the chemical components of the rock core can be researched only by taking the rock core out of the drill rod.
In the prior art, a mode of knocking the side wall of the drill bit or the drill rod or pouring water into the percussion drill bit is generally adopted, when a rock core is a soil sample, the mode of pouring water into the drill bit causes the humidity of the rock core sample to be too high, the shape of the rock core is damaged and not columnar, and the mode of knocking the side wall of the drill bit or the drill rod has certain vibration damage to the rock core, so that the surface shape of the rock core is damaged and broken, and the sampling requirement cannot be met.
Therefore, how to solve the problems of high humidity of the core sample and damaged core shape when the core sample inside the drill bit is taken out by using the prior art becomes an important technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the embodiment of the utility model provides a core pushing device.
The utility model provides a core pushing device which comprises a support frame, a pushing piece and a driving assembly, wherein the pushing piece can extend into a drill rod and can move back and forth relative to the support frame, the driving assembly is arranged between the pushing piece and the support frame, and the driving assembly is used for driving the pushing piece to be close to or far away from the support frame.
According to the core pushing device provided by the utility model, the driving assembly comprises a connecting rod of which the first end is connected with the pushing piece, the connecting rod is provided with external threads, and the connecting rod is in threaded connection with the supporting frame.
According to the core pushing device provided by the utility model, the driving assembly further comprises a rotating handle, and the rotating handle is connected with the second end of the connecting rod.
According to the core pushing device provided by the utility model, one end of the support frame is of a cylindrical structure with an opening, one end of the support frame can be sleeved at the end part of the drill rod, and the other end of the support frame is provided with a threaded hole matched with the external thread of the connecting rod.
According to the core pushing device provided by the utility model, the pushing element comprises a push rod, a connecting rod, a sliding block and a driving element, the push rod, the connecting rod, the sliding block and the connecting rod are constructed into a crank-slider mechanism, the sliding block can slide along the axial direction of the connecting rod, and the driving element drives the sliding block to slide relative to the connecting rod;
the slider can switch between primary importance and second position, primary importance, the axis of push rod with the axis of connecting rod is perpendicular, secondary importance, the axis of push rod with the contained angle has between the axis of connecting rod.
According to the core pushing device provided by the utility model, the driving piece comprises the electromagnet and the resetting piece, the electromagnet can be switched between an electrified state and a power-off state, the electromagnet adsorbs the sliding block to move to the first position in the electrified state, and the resetting piece drives the sliding block to move to the second position in the power-off state.
According to the core pushing device provided by the utility model, multiple groups of push rods, connecting rods and sliding blocks are distributed along the circumferential direction of the connecting rods.
According to the core pushing device provided by the utility model, the first end of the connecting rod is of a hollow structure, the first end of the connecting rod is provided with a strip-shaped hole, the length direction of the strip-shaped hole is consistent with the axial direction of the connecting rod, the driving piece is arranged in the hollow structure of the connecting rod, and the driving piece further comprises armatures which are connected with the sliding blocks.
According to the core pushing device provided by the utility model, the connecting rod comprises a first connecting rod, a second connecting rod and a third connecting rod, a first end of the first connecting rod is connected with the pushing piece, a second end of the third connecting rod is connected with the rotating handle, and two ends of the second connecting rod are detachably connected with a second end of the first connecting rod and a first end of the third connecting rod respectively.
According to the core pushing device provided by the utility model, key connection structures are further arranged between the second connecting rod and the second end of the first connecting rod and between the second connecting rod and the first end of the third connecting rod.
The core pushing device provided by the utility model comprises a supporting frame, a pushing piece and a driving assembly, wherein the supporting frame is fixed at one end of a drill rod after the pushing piece extends into the drill rod. The pushing member acts on the end face of the core located inside the drill rod, then drives the pushing member to be continuously away from the supporting frame through the driving assembly, and the core can be gradually moved to the other end of the drill rod under the pushing of the pushing member until the core is completely moved out of the drill rod. Therefore, when the core pushing device provided by the utility model is used for taking out the core in the drill rod, the pushing force is applied to the end face of the core to replace the operation of knocking the drill rod or filling water into the drill rod, so that the vibration damage to the core is avoided, the shape of the core is ensured to be intact, the core is completely taken out, and the humidity of the core is not influenced. The problem of the rock core sample humidity that exists when utilizing prior art to take out the inside rock core sample of drill bit is big, the rock core shape is impaired is solved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a core pushing device provided by the present invention;
FIG. 2 is a schematic view of the present invention providing a pusher in a collapsed configuration;
FIG. 3 is a schematic view of the deployment of the pusher according to the present invention;
FIG. 4 is a schematic structural view of a second connecting rod provided in the present invention;
reference numerals:
1: a support frame; 2: a pushing member; 3: a connecting rod;
4: an external thread; 5: rotating the handle; 6: a push rod;
7: a connecting rod; 8: a slider; 9: an electromagnet;
10: a reset member; 11: an armature; 12: an end face key;
13: a keyway.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A core pushing device according to an embodiment of the utility model is described below with reference to fig. 1-4.
As shown in fig. 1-3, the embodiment of the utility model provides a core pushing device, which comprises a support frame 1, a pushing member 2 and a driving assembly, specifically, the support frame 1 can be fixed at the end of a drill rod, and the pushing member 2 can extend into the interior of the drill rod and can reciprocate relative to the support frame 1. The driving assembly is arranged between the pushing member 2 and the support frame 1 and used for driving the pushing member 2 to be close to or far away from the support frame 1.
When the push device is used, the push piece 2 extends into the drill rod, and then the support frame 1 is fixed at one end of the drill rod. The pushing part 2 acts on the end face of the core, then the pushing part 2 is driven to be continuously away from the support frame 1 through the driving assembly, the core can be gradually moved to the other end of the drill rod under the pushing of the pushing part 2, and the core is moved out of the drill rod until the core is completely removed from the drill rod.
Therefore, when the core pushing device provided by the embodiment of the utility model is used for taking out the core in the drill rod, the pushing force is applied to the end face of the core to replace the operation of knocking the drill rod or filling water into the drill rod, so that the vibration damage to the core is avoided, the intact shape of the core is ensured, and the humidity of the core is not influenced. The problem of the rock core sample humidity that exists when utilizing prior art to take out the inside rock core sample of drill bit is big, the rock core shape is impaired is solved.
In the embodiment of the utility model, the driving assembly comprises a connecting rod 3, the connecting rod 3 is provided with an external thread 4, and the connecting rod 3 is in threaded connection with the support frame 1. The first end of connecting rod 3 is connected with propelling part 2, through making connecting rod 3 rotate for support frame 1, connecting rod 3 has along self axial's removal when for support frame 1 pivoted to drive propelling part 2 and be close to or keep away from support frame 1.
The rotation of the connecting rod 3 can be realized in a manual rotation mode or in an electric driving mode.
When the manual rotation mode is adopted, the driving assembly further comprises a rotating handle 5, and the rotating handle 5 is fixedly connected with the second end of the connecting rod 3. The rotating handle 5 is used as a force application point, and the connecting rod 3 can be rotated by rotating the rotating handle 5, so that the operation is convenient and labor-saving.
When the mode of electric drive is adopted, the driving assembly comprises a motor, the output end of the motor is in transmission connection with the second end of the connecting rod 3, or a speed reducer is arranged between the connecting rod 3 and the motor. Can drive connecting rod 3 through the motor and rotate, reduce manual operation, reduce intensity of labour.
In the embodiment of the utility model, the support frame 1 is set to be a cylindrical structure with an opening at one end, one end of the support frame 1 can be sleeved at the end part of the drill rod, and the end part of the drill rod can be abutted against the end part of the cylindrical structure after extending into the cylindrical structure to be mutually supported, so that the relative fixation between the support frame 1 and the drill rod is ensured. And a threaded hole is formed in the other end of the cylindrical structure and is matched with the external thread 4 of the connecting rod 3.
It should be noted that the pushing element 2 can be extended into the drill rod from the water delivery channel at the end of the drill rod, and in order to enable the pushing element 2 to pass through the water delivery channel and ensure the acting area between the pushing element 2 and the core, the embodiment of the utility model provides the pushing element 2 in a collapsible form.
Specifically, the pushing member 2 comprises a push rod 6, a connecting rod 7, a sliding block 8 and a driving member, wherein one end of the push rod 6 is rotatably connected with the first end of the connecting rod 3, and the rotating axis is parallel to the tangential direction of the connecting rod 3 at the connecting point. The sliding block 8 is connected with the connecting rod 3 in a sliding mode, and the sliding direction is parallel to the axial direction of the connecting rod 3. The two ends of the connecting rod 7 are respectively connected with the push rod 6 and the slide block 8 in a rotating way, and the rotating axes of the rotating joints are parallel to each other, so that the push rod 6, the connecting rod 7, the slide block 8 and the connecting rod 3 are constructed into a crank-slide block mechanism. The driving piece is connected with the sliding block 8 and can drive the sliding block 8 to slide. The sliding block 8 can be switched between a first position and a second position, and when the sliding block 8 is switched to the first position, the axis of the push rod 6 is perpendicular to the axis of the connecting rod 3, so that the pushing member 2 is in an unfolded state. When the sliding block 8 is switched to the second position, an included angle is formed between the axis of the push rod 6 and the axis of the connecting rod 3, so that the pushing member 2 is in a contraction state. When the pushing element 2 is in the retracted state, the pushing element 2 can pass through the water channel at the end of the drill rod.
In the embodiment of the utility model, a plurality of groups of push rods 6, connecting rods 7 and sliding blocks 8 are arranged, and the plurality of groups of push rods 6, sliding blocks 8 and connecting rods 7 are uniformly distributed along the circumferential direction of the connecting rod 3. When the slider 8 switches to the first position, the axis of each push rod 6 all is perpendicular with the axis of connecting rod 3, and each push rod 6 can contact with the core simultaneously, makes the even atress of core.
It should be noted that the size of the pusher 2 is smaller than the inner size of the drill rod when the pusher 2 is in the deployed state. Accordingly, the length of the push rod 6 needs to be less than half the difference between the inner diameter of the drill rod and the outer diameter of the connecting rod.
In the embodiment of the present invention, the driving member is provided in the form of an electromagnet, and specifically includes an electromagnet 9 and a reset member 10. The electromagnet 9 can be switched between an electrified state and a power-off state, and in the electrified state, the electromagnet 9 can adsorb the sliding block 8, so that the sliding block 8 is displaced to the first position, and the pushing member 2 is in an unfolded state. Under the power-off state, the reset piece 10 drives the sliding block 8 to displace, so that the sliding block 8 is displaced to the second position, and the pushing piece 2 is in the contraction state. The reset piece 10 can be a coil spring, and when the electromagnet 9 and the reset piece 10 are positioned on the same side of the sliding block 8, the reset piece 10 is a compression spring; when the electromagnet 9 and the reset piece 10 are respectively positioned at two sides of the sliding block 8, the reset piece 10 is an extension spring.
In order to ensure the adsorption effect of the electro-magnet on the sliding block 8, the material of the sliding block 8 can be selected to be iron, or an iron block is fixed on the sliding block 8.
In the embodiment of the present invention, the first end of the connecting rod 3 is configured as a hollow structure, and the driving member is disposed in the hollow structure of the connecting rod 3. At this time, a strip-shaped hole is formed in the first end of the connecting rod 3, and the length direction of the strip-shaped hole is consistent with the axial direction of the connecting rod 3 and is used for sliding guidance of the sliding block 8. The driving piece further comprises an armature 11, the armature 11 penetrates through the strip-shaped hole and then is connected with each sliding block 8, and the plurality of sliding blocks 8 can be driven to move simultaneously through the group of electromagnets 9 and the armature 11. The reset element 10 may be directly connected to the armature 11 and the connecting rod 3.
It should be noted that, a corresponding button may be provided on the support frame 1, so as to conveniently control the power-on and power-off conditions of the electromagnet 9. The circuit connection of the electromagnet 9, the arrangement of the button, and the connection between the electromagnet 9 and the button are well-established prior art, and are not described herein again.
In the embodiment of the utility model, the connecting rod 3 is detachably arranged, and after the core is taken out by using the core pushing device in the embodiment of the utility model, the connecting rod 3 can be detached, so that the length and the size of the core pushing device are reduced, and the core pushing device is convenient to store. Specifically, the connecting rod 3 includes a first connecting rod, a second connecting rod and a third connecting rod, the first end of the first connecting rod is connected to the pushing member 2, the second end of the third connecting rod is connected to the rotating handle 5, and the two ends of the second connecting rod are detachably connected to the second end of the first connecting rod and the first end of the third connecting rod respectively.
The detachable connection between the second connecting rod and the first connecting rod and the detachable connection between the second connecting rod and the third connecting rod can be realized by using bolts and nuts, and the connection between the second connecting rod and the first connecting rod is explained as an example below. All set up the screw hole on the tip of second connecting rod and the second of head rod, utilize screw hole threaded connection on bolt and second connecting rod and the head rod, then reuse nut and bolt are screwed and are connected, consolidate. For avoiding the relative rotation appearing between second connecting rod and the head rod, can set up two screw holes, utilize two sets of bolts and nut to connect.
In the embodiment of the utility model, key connection structures are further arranged between the second connecting rod and the second end of the first connecting rod and between the second connecting rod and the first end of the third connecting rod. Key connecting structure includes terminal surface key 12 and keyway 13, sets up terminal surface key 12 at the second end of head rod, sets up the keyway 13 that matches with terminal surface key 12 at the first end of second connecting rod, and terminal surface key 12 can imbed to keyway 13 in, through the interact of terminal surface key 12 and 13 lateral walls of keyway, can transmit the moment of torsion.
For the key connection between the second connecting rod and the third connecting rod, an end key 12 may be provided at the second end of the second connecting rod and a matching key slot 13 may be provided at the first end of the third connecting rod. The structure of the second connecting rod is as shown in fig. 4, and the end face key 12 and the key groove 13 are respectively arranged at two ends of the second connecting rod, at this time, a plurality of identical second connecting rods can be configured for standby, and the two second connecting rods can be connected together in series. When longer connecting rods 3 are required, the number of series-connected second connecting rods can be increased.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a core pusher, its characterized in that includes support frame, propelling movement spare and drive assembly, propelling movement spare can stretch into to the drilling rod inside and can for support frame reciprocating motion, drive assembly sets up propelling movement spare with between the support frame, drive assembly constructs to order about propelling movement spare is close to or keeps away from the support frame.
2. The core pushing device as claimed in claim 1, wherein the driving assembly comprises a connecting rod having a first end connected to the pushing member, the connecting rod having an external thread thereon, the connecting rod being threadedly connected to the supporting frame.
3. The core pushing device of claim 2, wherein the drive assembly further comprises a swivel handle connected to the second end of the connecting rod.
4. The core pushing device as claimed in claim 2, wherein the support frame is a cylindrical structure with an opening at one end, one end of the support frame can be sleeved on the end of the drill rod, and the other end of the support frame is provided with a threaded hole matched with the external thread of the connecting rod.
5. Core pushing device according to claim 2, wherein the pushing member comprises a push rod, a connecting rod, a slider and a driving member, the push rod, the connecting rod, the slider and the connecting rod being configured as a slider-crank mechanism, the slider being slidable in the axial direction of the connecting rod, the driving member driving the slider to slide relative to the connecting rod;
the slider can switch between primary importance and second position, primary importance, the axis of push rod with the axis of connecting rod is perpendicular, secondary importance, the axis of push rod with the contained angle has between the axis of connecting rod.
6. The core pushing device according to claim 5, wherein the driving member comprises an electromagnet and a reset member, the electromagnet is switchable between an energized state in which the electromagnet attracts the sliding block to displace to the first position and a de-energized state in which the reset member drives the sliding block to displace to the second position.
7. The core pushing device as claimed in claim 6, wherein the push rod, the connecting rod and the sliding block are distributed in a plurality of groups along the circumferential direction of the connecting rod.
8. The core pusher according to claim 7, wherein the first end of the connecting rod is a hollow structure, the first end of the connecting rod is provided with a strip-shaped hole, the length direction of the strip-shaped hole is consistent with the axial direction of the connecting rod, the driving member is disposed in the hollow structure of the connecting rod, and the driving member further comprises armatures connected with the sliding blocks.
9. The core pushing device according to claim 3, wherein the connecting rod comprises a first connecting rod, a second connecting rod and a third connecting rod, a first end of the first connecting rod is connected with the pushing member, a second end of the third connecting rod is connected with the rotation handle, and two ends of the second connecting rod are detachably connected with a second end of the first connecting rod and a first end of the third connecting rod, respectively.
10. The core pusher of claim 9, further comprising a keyed connection between the second connecting rod and the second end of the first connecting rod, and between the second connecting rod and the first end of the third connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121592614.5U CN215369763U (en) | 2021-07-13 | 2021-07-13 | Core pusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121592614.5U CN215369763U (en) | 2021-07-13 | 2021-07-13 | Core pusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215369763U true CN215369763U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121592614.5U Active CN215369763U (en) | 2021-07-13 | 2021-07-13 | Core pusher |
Country Status (1)
| Country | Link |
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| CN (1) | CN215369763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624126A (en) * | 2022-05-11 | 2022-06-14 | 四川中铁二院环保科技有限公司 | Rock-soil in-situ shearing test equipment and method |
-
2021
- 2021-07-13 CN CN202121592614.5U patent/CN215369763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624126A (en) * | 2022-05-11 | 2022-06-14 | 四川中铁二院环保科技有限公司 | Rock-soil in-situ shearing test equipment and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230908 Address after: Room 2454, floor 3, building 2, No. 7, Shixing street, Shijingshan District, Beijing 100041 Patentee after: Sinochem Mingda Holding Group Co.,Ltd. Address before: Floor 3, block B, fortune garden, No. 19, Xiaoying Road, Chaoyang District, Beijing 100101 Patentee before: GENERAL INSTITUTE OF CHEMICAL GEOLOGY SURVEY OF CCGMB |
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| TR01 | Transfer of patent right |