CN219368684U - Core length calibration device - Google Patents

Core length calibration device Download PDF

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Publication number
CN219368684U
CN219368684U CN202320191384.4U CN202320191384U CN219368684U CN 219368684 U CN219368684 U CN 219368684U CN 202320191384 U CN202320191384 U CN 202320191384U CN 219368684 U CN219368684 U CN 219368684U
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China
Prior art keywords
rotating shaft
wall
sound wave
quadrant
sealing box
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CN202320191384.4U
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Chinese (zh)
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赵明
纪海锋
李辉
曾令波
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
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Priority to CN202320191384.4U priority Critical patent/CN219368684U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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Abstract

The utility model discloses a rock core length calibration device, which comprises a sealing box, at least one sound wave transmitter, at least one sound wave receiver and a computer, wherein a wheel disc seat is connected in the sealing box through a rotating shaft, a plurality of containing grooves are formed in the side wall of the wheel disc seat, the straight line of each containing groove is parallel to the rotating shaft, the distances between the straight lines of all containing grooves and the rotating shaft are the same, and the containing grooves are used for containing a plurality of sections of rock cores to be tested; the at least one sound wave transmitter and the at least one sound wave receiver are arranged at two ends of any one containing groove in pairs in the length direction and are respectively connected with the sealing box; the computer is electrically connected with all the sound wave receivers and is used for receiving and processing sound wave parameters received by the sound wave receivers so as to obtain the length parameters of each section of rock core to be measured. The acoustic wave device for measuring the core length can solve the problems that an existing acoustic wave device for measuring the core length cannot be used for rapidly preparing a contrast test and tracing intuitiveness is poor.

Description

Core length calibration device
Technical Field
The utility model relates to the technical field of rock core detection, in particular to a rock core length calibration device.
Background
Core means: cylindrical mineral bearing rock or ore samples taken from solid mineral ore bodies or layers by core ring drill bits and other coring tools are important physical materials for studying and understanding subsurface geology and mineral conditions. The core length obtained in engineering exploration is often broken into multiple sections due to various factors, the lengths of the cores of each section are different, the end faces are different in shape, and in order to fully correlate the composition and the depth of each section of core, the lengths of each section of core are required to be accurately measured and counted respectively.
The measuring device for the rock core generally comprises a ruler measuring device and an acoustic wave device, wherein the measuring principle of the acoustic wave device is as follows: the method comprises the steps of linearly arranging a plurality of sections of rock cores according to depth sequence to form an entire rock core, introducing sound waves from one end of the entire rock core by adopting a sound wave transmitter, receiving the sound waves from the other end of the entire rock core by adopting a sound wave receiver, and obtaining the length of each section of rock core by adopting proportional conversion of the sound waves from the total length (or the total length of a container) of the entire rock core, wherein the propagation speed of the sound waves in a solid is larger than that in the air, so that obvious wave speed reduction can be generated at the moment when the sound waves are transmitted from the end face of each section of rock core, all the points with the wave speed reduction are collected by the sound wave receiver, and then the sound waves are introduced into a computer. The device has high measurement efficiency and high precision without manual assistance, so the utilization rate rubber ruler measurement device is higher.
However, the conventional acoustic wave device still has the following problems: (1) Only one core can be measured each time, the last core is taken out of the measuring device when the next core is measured, then the next core is put in and is circularly reciprocated, and when the number of cores to be measured is large, the efficiency is severely limited; (2) Because only one core can be measured each time, when two cores to be measured are required to be compared, data comparison can be carried out only through recorded data, or the last core is put into a measuring device again for measurement, the intuitiveness is poor during tracing, and a comparison test cannot be quickly prepared.
Disclosure of Invention
The utility model aims to provide a rock core length calibration device which can solve the problems that an existing acoustic wave device for rock core length measurement cannot quickly prepare a comparison test and has poor traceability.
The utility model is realized by the following technical scheme:
the utility model provides a rock core length calibration device, includes the seal box, be connected with the rim plate seat through the pivot in the seal box, the lateral wall of rim plate seat is opened there is many holding tanks, every holding tank place straight line all with the pivot parallel arrangement, all holding tank place straight line with the distance between the pivot is the same, the holding tank is used for holding multistage rock core that awaits measuring; at least one sound wave transmitter and at least one sound wave receiver, wherein at least one sound wave transmitter and at least one sound wave receiver are arranged at two ends of any one containing groove in the length direction in pairs and are respectively connected with the sealing box; and the computer is electrically connected with all the sound wave receivers and is used for receiving and processing the sound wave parameters received by the sound wave receivers so as to obtain the length parameters of each section of rock core to be measured.
Optionally, at least one end of the rotating shaft penetrates through the sealing box and is connected with a turntable or a rocker for hand grasping.
Optionally, the number of the acoustic wave transmitters is 1, and the number of the acoustic wave receivers is 1.
Optionally, the rotating shaft is horizontally arranged, a feeding hole is formed in a part, above the rotating shaft, of the sealing box, and the feeding hole can be communicated with each containing groove; the part of the sealing box below the rotating shaft is provided with a discharge hole, the discharge hole can be communicated with each containing groove, and simultaneously, the sealing box can be communicated with any containing groove, and the sound wave transmitter and the sound wave receiver are arranged on the paths between the feed inlet and the discharge hole.
Optionally, the feed inlet is arranged at the top of the sealing box, and the discharge outlet is arranged at the bottom of the sealing box.
Optionally, the feed inlet is horizontally arranged at the junction of the horizontal plane where the rotating shaft is located and the wall of the sealing box, the discharge outlet is arranged at the bottom of the sealing box, and the path from the feed inlet to the discharge outlet is three-quarters circumference.
Optionally, the holding tank is equipped with the extensible member along the groove depth direction, the extensible member articulates there is banding adjustment basket, the adjustment basket is opened there is the basket groove.
Optionally, one end in the basket groove is provided with an elastic push plate, and the elastic push plate can slide along the length direction of the basket groove.
Optionally, the inner wall of the sealing box above the rotating shaft is divided into a first quadrant wall and a second quadrant wall, the inner wall of the sealing box below the rotating shaft is divided into a third quadrant wall and a fourth quadrant wall, and the first quadrant wall, the third quadrant wall, the fourth quadrant wall and the second quadrant wall are sequentially connected; the first quadrant wall is a cylindrical wall, and the diameter of the first quadrant wall is the same as that of the wheel disc seat; the third quadrant wall is an elliptic cylinder wall, and the distance between the third quadrant wall and the rotating shaft is gradually increased from top to bottom; the fourth quadrant wall is an elliptic cylinder wall, and the distance between the fourth quadrant wall and the rotating shaft is gradually reduced from bottom to top; the second quadrant wall is an elliptic cylinder wall, and the distance between the second quadrant wall and the rotating shaft is gradually reduced from bottom to top.
Optionally, the telescopic piece is provided with an elastic resetting piece; when the telescopic piece is in a horizontal state and the elastic reset piece is in a natural state, the distance between the outer edge of the adjusting basket and the rotating shaft is slightly larger than the distance between the uppermost part of the fourth quadrant wall and the rotating shaft; when the telescopic piece is in a vertically downward state and the elastic reset piece is in a natural state, the distance between the bottom of the adjusting basket and the rotating shaft is smaller than the distance between the lowest part of the third quadrant wall and the rotating shaft.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
according to the rock core length calibration device provided by the utility model, the sealing box is arranged to provide a foundation for sound wave detection, the wheel disc seat and the rotating shaft are arranged, the side wall of the wheel disc seat is provided with the plurality of accommodating grooves, and each accommodating groove is used for respectively accommodating a whole rock core to be tested; on the basis, by arranging at least one sound wave transmitter and at least one sound wave receiver, the at least one sound wave transmitter and the at least one sound wave receiver are arranged at two ends of any holding groove in pairs, when the device is used, the device can drive all holding grooves to sequentially pass through a measuring area formed by the sound wave transmitter and the sound wave receiver by only rotating the wheel disc seat, the length of each section of rock core contained in the whole rock core in each holding groove is measured sequentially, and when the condition of any rock core needs to be traced, the wheel disc seat is only required to be reversed, so that the rock core falls into the measuring area again; when a control test is needed to be prepared, the control samples are only needed to be placed in two adjacent containing grooves, and when the control test is compared, the two control samples can alternately fall into a measuring area only by rotating the wheel disc seat in a forward/reverse reciprocating mode, so that the observability and convenience of the control test are greatly improved. And the device only needs to be filled with all cores to be measured at one time, and does not need to make an inefficient replacement operation of taking out and putting in a new core for measuring the new core.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
FIG. 1 is a schematic side view of a core length calibration device according to an embodiment of the present utility model;
FIG. 2 is a schematic top view of a core length calibration device according to an embodiment of the present utility model;
FIG. 3 is a schematic side view of the interior of a seal box of a core length calibration device according to an embodiment of the present utility model;
fig. 4 is a schematic top view of an adjusting basket of a core length calibration device according to an embodiment of the present utility model.
In the drawings, the reference numerals and corresponding part names:
10-sealing a box; 11-a receiving groove; 111-telescoping pieces; 112-adjusting the basket; 1121-basket slots; 1122-resilient push plate; 12-rotating shaft; 121-a turntable; 13-a wheel disc seat; 14-a feed inlet; 15-a discharge hole; 16-a first quadrant wall; 17-second quadrant wall; 18-third quadrant wall; 19-fourth quadrant wall; a 20-sonic transmitter; 21-sonic receiver.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Examples
Referring to fig. 1 to 4, the present embodiment provides a core length calibration device, which includes a seal box 10, a wheel disc seat 13 is connected in the seal box 10 through a rotating shaft 12, a plurality of accommodating grooves 11 are formed in a side wall of the wheel disc seat 13, straight lines of each accommodating groove 11 are parallel to the rotating shaft 12, distances between straight lines of all the accommodating grooves 11 and the rotating shaft 12 are the same, and the accommodating grooves 11 are used for accommodating a plurality of sections of cores to be tested; the second part comprises at least one sound wave transmitter 20 and at least one sound wave receiver 21, and at least one sound wave transmitter 20 and at least one sound wave receiver 21 are arranged at two ends of any one accommodating groove 11 in the length direction in pairs and are respectively connected with the sealing box 10; and thirdly, a computer (not shown) is electrically connected with all the acoustic wave receivers 21, and the computer is used for receiving and processing acoustic wave parameters received by the acoustic wave receivers 21 so as to obtain length parameters of each section of rock core to be measured.
According to the rock core length calibration device provided by the utility model, the sealing box 10 is arranged to provide a foundation for sound wave detection, so that sound wave external transmission is prevented; through arranging the wheel disc seat 13 and the rotating shaft 12, a plurality of accommodating grooves 11 are formed in the side wall of the wheel disc seat 13, and each accommodating groove 11 is used for accommodating a whole rock core to be measured; on the basis, by arranging at least one sound wave transmitter 20 and at least one sound wave receiver 21, the at least one sound wave transmitter 20 and the at least one sound wave receiver 21 are arranged at the two ends of any one containing groove 11 in pairs, when the device is used, the disc seat 13 is only required to be rotated, all the containing grooves 11 can be driven to sequentially pass through a measuring area formed by the sound wave transmitter 20 and the sound wave receiver 21, the length of each section of rock core contained in the whole rock core in each containing groove 11 is sequentially measured, and when the condition of any rock core needs to be traced, the disc seat 13 is only required to be reversed, so that the rock core falls into the measuring area again; when a control test is needed to be prepared, the control samples are only required to be placed in the two adjacent containing grooves 11, and when the control test is performed, the two control samples can alternately fall into the measuring area only by rotating the wheel disc seat 13 in a forward/reverse reciprocating mode, so that the observability and convenience of the control test are greatly improved. And the device only needs to be filled with all cores to be measured at one time, and does not need to make an inefficient replacement operation of taking out and putting in a new core for measuring the new core.
In other embodiments, the number of the acoustic transmitters 20 and the acoustic receivers 21 may be arbitrarily set, for example, only one acoustic transmitter 20 is set, and a plurality of acoustic receivers 21 are set so that the plurality of acoustic receivers 21 are in one-to-one correspondence with the plurality of accommodating grooves 11; for example, in contrast, only one acoustic wave receiver 21 is provided, and a plurality of acoustic wave transmitters 20 are provided so that the plurality of acoustic wave transmitters 20 are in one-to-one correspondence with the plurality of accommodating grooves 11, for example, only one acoustic wave transmitter 20 and one acoustic wave receiver 21 are provided.
It should be noted that, the notch of the accommodating groove 11 can be blocked by the inner wall of the sealing box 10 to prevent the core therein from falling out; any structure in the prior art such as a cover body and a clamping piece can be adopted to fix the core in the accommodating groove 11, so long as the core cannot fall out.
Preferably, in order to facilitate rotating the wheel base 13, at least one end of the rotating shaft 12 penetrates through the seal box 10, and is connected with a turntable 121 or a rocker for hand grasping.
Preferably, the number of the acoustic wave transmitters 20 is 1, and the number of the acoustic wave receivers 21 is 1.
In order to facilitate the insertion/extraction of the core to be measured, the rotating shaft 12 is horizontally arranged, a feed port 14 is formed in a portion of the sealing box 10 above the rotating shaft 12, and the feed port 14 can be communicated with each accommodating groove 11; the part of the sealing box 10 below the rotating shaft 12 is provided with a discharge hole 15, the discharge hole 15 can be communicated with each containing groove 11, and can be communicated with any containing groove 11, and the sound wave transmitter 20 and the sound wave receiver 21 are arranged on a path between the feed hole 14 and the discharge hole 15.
Through the above arrangement, by utilizing the gravity of the core to be measured, when the core to be measured is placed into the feed inlet 14, the core automatically rolls into/falls into one accommodating groove 11 under the action of the gravity, when the core rotates below the rotating shaft 12, the notch of the accommodating groove 11 is downward, and at the moment, the core to be measured automatically rolls out/falls out from the discharge outlet 15 under the action of the gravity.
Preferably, the size of the feeding hole 14 is equivalent to the size of one accommodating groove 11, and also equivalent to the width of a plurality of accommodating grooves 11, so that a plurality of cores to be tested can be put in or put in at a time, and the cores to be tested can only fall into the corresponding accommodating grooves 11 under the action of self gravity and cannot fall out of the accommodating grooves 11; the size of the discharge hole 15 is preferably equal to that of one of the accommodating grooves 11, and when the accommodating groove 11 rotates to be flush with the discharge hole 15, the core to be measured in the accommodating groove can fall out of the discharge hole 15.
Preferably, the feeding port 14 and the discharging port 15 are both provided with a door body (not shown), the door body is closed during measurement, and the door body is opened before and after measurement.
Preferably, the feed inlet 14 is formed at the top of the seal box 10, and the discharge outlet 15 is formed at the bottom of the seal box 10.
Optionally, the feeding port 14 is horizontally disposed at the junction between the horizontal plane where the rotating shaft 12 is located and the wall of the sealing box 10, the discharging port 15 is disposed at the bottom of the sealing box 10, and the path from the feeding port 14 to the discharging port 15 is three-quarters of a circumference.
In order to further ensure the stability of the core to be measured in the revolution process and prevent the core to be measured from being damaged when falling out from the discharge hole 14, a telescopic piece 111 is arranged in the accommodating groove 11 along the groove depth direction, the telescopic piece 111 is hinged with a strip-shaped adjusting basket 112, and the adjusting basket 112 is provided with a basket groove 1121.
Through arranging the adjusting basket 112, the adjusting basket 112 is in sliding fit with the accommodating groove 11 through the telescopic piece 111 and hinged, in the revolution process, the adjusting basket 112 always keeps a stable state under the action of self gravity due to the hinging reason, and the notch of the basket groove 1121 always faces upwards in the process, so that the rock core to be measured in the basket groove 1121 is always in a stable state; when the accommodating groove 11 is aligned with the discharge hole 14, the adjusting basket 112 slides out of the discharge hole 14, and the telescopic piece 111 stretches, so that the adjusting basket 112 slides out of the discharge hole 14 together with the core to be measured in the adjusting basket 112, and then the core to be measured is only needed to be taken out of the adjusting basket 112.
The telescopic member 111 may have a conventional structure such as a telescopic rod, a telescopic column, and a spring column.
In order to compress and fix the multiple cores in the adjusting basket 112, an elastic push plate 1122 is provided at one end in the basket slot 1121, and the elastic push plate 1122 can slide along the length direction of the basket slot 1121.
It should be noted that, the elastic push plate 1122 may adopt a structure of a spring push plate, a structure of a hydraulic rod push plate, or a structure of a cylinder push plate, and only needs to push the push plate to clamp the core to be tested.
In order to optimize the movement path of the adjusting basket 112, the inner wall of the sealing box 10 above the rotating shaft 12 is divided into a first quadrant wall 16 and a second quadrant wall 17, the inner wall of the sealing box 10 below the rotating shaft 12 is divided into a third quadrant wall 18 and a fourth quadrant wall 19, and the first quadrant wall 16, the third quadrant wall 18, the fourth quadrant wall 19 and the second quadrant wall 17 are sequentially connected; the first quadrant wall 16 is a cylindrical wall, and the diameter of the first quadrant wall 16 is the same as the diameter of the wheel disc seat 13; the third quadrant wall 18 is an elliptical column wall, and the distance between the third quadrant wall 18 and the rotating shaft 12 increases gradually from top to bottom; the fourth quadrant wall 19 is an elliptical column wall, and the distance between the fourth quadrant wall 19 and the rotating shaft 12 gradually decreases from bottom to top; the second quadrant wall 17 is an oval column wall, and the distance between the second quadrant wall 17 and the rotating shaft 12 gradually decreases from bottom to top.
Through the arrangement, the aligned adjusting basket 112 is pulled outwards from the feeding hole 14, a rock core to be measured is placed in the adjusting basket 112, the adjusting basket 112 is pushed into the accommodating groove 11, the wheel disc seat 13 is rotated in a stepping mode, and then the next rock core to be measured is placed in the adjusting basket; the core to be measured gradually rises along the second quadrant wall 17 (the rotation direction of the wheel disc seat 13 in the figure is anticlockwise), gradually falls into the bottom of the accommodating groove 11, then gradually descends along the first quadrant wall 16, when moving to the third quadrant wall 18, the notch of the accommodating groove 11 is inclined downwards, the adjusting basket 112 slides to the notch of the accommodating groove 11 and is abutted with the third quadrant wall 18, due to the shape of the third quadrant wall 18, the telescopic piece 111 gradually stretches along with the gradual downward movement of the adjusting basket 112, when the accommodating groove 11 is aligned with the discharge hole 15, the telescopic piece 111 further stretches, the adjusting basket 112 slides out from the discharge hole 15, and due to transition in the sliding process along the third quadrant wall 18, the adjusting basket 112 does not suddenly fall out from the discharge hole 15, but gradually slides out, so that the core to be measured in the adjusting basket is prevented from vibrating or shaking.
To further optimize the action of the adjustment basket 112, the telescopic element 111 is provided with a resilient return element (not shown); when the telescopic member 111 is in the horizontal state and the elastic restoring member is in the natural state, the distance between the outer edge of the adjusting basket 112 and the rotating shaft 12 is slightly greater than the distance between the uppermost part of the fourth quadrant wall 19 and the rotating shaft 12; when the telescopic member 111 is in a vertically downward state and the elastic restoring member is in a natural state, the distance between the bottom of the adjusting basket 112 and the rotating shaft 12 is smaller than the distance between the lowermost portion of the third quadrant wall 18 and the rotating shaft 12.
By arranging the elastic resetting piece, when the rock core to be measured is placed, the adjusting basket 112 is required to be pulled out, and then the adjusting basket 112 is reset under the action of the elastic resetting piece and automatically returns to the accommodating groove 11; when the core to be measured is taken out, the adjusting basket 112 is reset under the action of the elastic reset piece, so that the adjusting basket 112 automatically rises and returns to the accommodating groove 11.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The utility model provides a rock core length calibration device which characterized in that includes:
the device comprises a sealing box (10), wherein a wheel disc seat (13) is connected in the sealing box (10) through a rotating shaft (12), a plurality of accommodating grooves (11) are formed in the side wall of the wheel disc seat (13), straight lines where the accommodating grooves (11) are located are all arranged in parallel with the rotating shaft (12), distances between the straight lines where all the accommodating grooves (11) are located and the rotating shaft (12) are the same, and the accommodating grooves (11) are used for accommodating a plurality of sections of rock cores to be tested;
at least one sound wave transmitter (20) and at least one sound wave receiver (21), wherein at least one sound wave transmitter (20) and at least one sound wave receiver (21) are arranged at two ends of any one accommodating groove (11) in the length direction in pairs and are respectively connected with the sealing box (10);
the computer is electrically connected with all the sound wave receivers (21) and is used for receiving and processing sound wave parameters received by the sound wave receivers (21) so as to obtain length parameters of each section of rock core to be measured.
2. The core length calibration device according to claim 1, characterized in that at least one end of the rotating shaft (12) penetrates through the sealing box (10) and is connected with a turntable (121) or a rocker for hand gripping.
3. The core length calibration device according to claim 1, characterized in that the number of acoustic wave transmitters (20) is 1 and the number of acoustic wave receivers (21) is 1.
4. A core length calibration device according to claim 3, characterized in that the rotating shaft (12) is horizontally arranged, a feed port (14) is formed in a part of the sealing box (10) above the rotating shaft (12), and the feed port (14) can be communicated with each containing groove (11); the part of the sealing box (10) located below the rotating shaft (12) is provided with a discharge hole (15), the discharge hole (15) can be communicated with each containing groove (11) and can be communicated with any containing groove (11) at the same time, and the sound wave transmitter (20) and the sound wave receiver (21) are arranged on a path between the feed inlet (14) and the discharge hole (15).
5. The core length calibration device according to claim 4, wherein the feed inlet (14) is formed in the top of the seal box (10), and the discharge outlet (15) is formed in the bottom of the seal box (10).
6. The core length calibration device according to claim 4, wherein the feeding port (14) is horizontally arranged at the junction of the horizontal plane where the rotating shaft (12) is located and the wall of the sealing box (10), the discharging port (15) is arranged at the bottom of the sealing box (10), and the path from the feeding port (14) to the discharging port (15) is three-quarters of a circle.
7. The core length calibration device according to claim 5 or 6, characterized in that a telescopic piece (111) is arranged in the accommodating groove (11) along the groove depth direction, the telescopic piece (111) is hinged with a strip-shaped adjusting basket (112), and the adjusting basket (112) is provided with a basket groove (1121).
8. The core length calibration device according to claim 7, wherein one end in the basket (1121) is provided with an elastic push plate (1122), and the elastic push plate (1122) is capable of sliding along the length direction of the basket (1121).
9. The core length calibration device according to claim 7, wherein an inner wall of the sealing box (10) above the rotating shaft (12) is divided into a first quadrant wall (16) and a second quadrant wall (17), an inner wall of the sealing box (10) below the rotating shaft (12) is divided into a third quadrant wall (18) and a fourth quadrant wall (19), and the first quadrant wall (16), the third quadrant wall (18), the fourth quadrant wall (19) and the second quadrant wall (17) are sequentially connected;
the first quadrant wall (16) is a cylindrical wall, and the diameter of the first quadrant wall (16) is the same as that of the wheel disc seat (13);
the third quadrant wall (18) is an elliptic cylindrical wall, and the distance between the third quadrant wall (18) and the rotating shaft (12) is gradually increased from top to bottom;
the fourth quadrant wall (19) is an elliptic cylindrical wall, and the distance between the fourth quadrant wall (19) and the rotating shaft (12) is gradually reduced from bottom to top;
the second quadrant wall (17) is an elliptic cylindrical wall, and the distance between the second quadrant wall (17) and the rotating shaft (12) is gradually reduced from bottom to top.
10. The core length calibration device according to claim 9, characterized in that the telescopic member (111) is provided with an elastic return member;
when the telescopic piece (111) is in a horizontal state and the elastic reset piece is in a natural state, the distance between the outer edge of the adjusting basket (112) and the rotating shaft (12) is slightly larger than the distance between the uppermost part of the fourth quadrant wall (19) and the rotating shaft (12);
when the telescopic piece (111) is in a vertically downward state and the elastic reset piece is in a natural state, the distance between the bottom of the adjusting basket (112) and the rotating shaft (12) is smaller than the distance between the lowest part of the third quadrant wall (18) and the rotating shaft (12).
CN202320191384.4U 2023-02-01 2023-02-01 Core length calibration device Active CN219368684U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320191384.4U CN219368684U (en) 2023-02-01 2023-02-01 Core length calibration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320191384.4U CN219368684U (en) 2023-02-01 2023-02-01 Core length calibration device

Publications (1)

Publication Number Publication Date
CN219368684U true CN219368684U (en) 2023-07-18

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Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN219368684U (en)

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