阅读说明：本技术 一种高温氧化炉的进样装置 (sample feeding device of high-temperature oxidation furnace ) 是由 朱保义 沈岑宽 卢山龙 任永刚 陈华勇 胡磊 吴国庆 王武钧 于 2019-07-30 设计创作，主要内容包括：本发明公开了一种高温氧化炉的进样装置,包括承载装置、联动装置和进样机构,联动装置安装于承载装置上,进样机构安装于联动装置上；承载装置包括承载底板,承载底板的上表面边缘位置固定有两根定位筒、三块第一安装板和一块第二安装板；联动装置包括锥齿轮、圆盘和连杆机构；进样机构的进样托盘的上表面中心位置设有坩埚放置盘,坩埚放置于坩埚放置盘内。本发明中坩埚放置盘上的定位孔的设置,有利于准确将坩埚稳固放置于坩埚放置盘内,加上坩埚放置盘设有防滑纹,使得在移动坩埚的过程中,不易发生掉落现象；通过一个电机驱动、锥齿轮以及连杆之间的传动,能够实现进样托盘的自由移动,方便完成将坩埚推入高温氧化炉,过程简单、易于控制。(the invention discloses a sample feeding device of a high-temperature oxidation furnace, which comprises a bearing device, a linkage device and a sample feeding mechanism, wherein the linkage device is arranged on the bearing device, and the sample feeding mechanism is arranged on the linkage device; the bearing device comprises a bearing bottom plate, wherein two positioning cylinders, three first mounting plates and one second mounting plate are fixed at the edge of the upper surface of the bearing bottom plate; the linkage device comprises a bevel gear, a disc and a connecting rod mechanism; the central position of the upper surface of a sample feeding tray of the sample feeding mechanism is provided with a crucible placing tray, and the crucible is placed in the crucible placing tray. The arrangement of the positioning holes on the crucible placing plate is beneficial to accurately and stably placing the crucible in the crucible placing plate, and the crucible placing plate is provided with the anti-slip lines, so that the crucible is not easy to fall off in the process of moving the crucible; through the drive among a motor drive, bevel gear and the connecting rod, can realize advancing the free removal of appearance tray, conveniently accomplish and push the crucible into high temperature oxidation furnace, the process is simple, easily control.)

1. A sample introduction device of a high-temperature oxidation furnace is characterized by comprising a bearing device (1), a linkage device (2) and a sample introduction mechanism (3), wherein the linkage device (2) is arranged on the bearing device (1), and the sample introduction mechanism (3) is arranged on the linkage device (2);

the bearing device (1) comprises a bearing bottom plate (11), two positioning cylinders (12) are fixed at the edge position of the upper surface of the bearing bottom plate (11), three first mounting plates (13) are fixed on the upper surface of the bearing bottom plate (11), the three first mounting plates (13) are uniformly distributed on the surface of the bearing bottom plate (11) along the circumferential direction, a first mounting frame (17) is fixed at the upper end of each first mounting plate (13), a connecting transverse plate (14) is fixed on the inner side surface of each first mounting plate (13), the other ends of the three connecting transverse plates (14) are fixed on a mounting ring (15), and a second mounting plate (16) is fixed on the upper surface of the bearing bottom plate (11);

the linkage device (2) comprises a first bevel gear (21), a disc (22) and a link mechanism (23), the first bevel gear (21) is installed on the second installation plate (16) in a penetrating mode through a bearing, the first bevel gear (21) is connected with a motor, a spiral protrusion is arranged on the upper surface of the disc (22), a second bevel gear (2201) is fixed on the lower surface of the disc (22) through a shaft rod, the shaft rod is matched with the installation ring (15), the shaft rod is installed on the installation ring (15) in a penetrating mode through the bearing, and the second bevel gear (2201) is meshed with the first bevel gear (21); the connecting rod mechanism (23) comprises a first connecting rod (2301), one end of the first connecting rod (2301) is provided with a gear structure (2301), the gear structure (2302) is meshed with the spiral protrusion on the upper surface of the disc (22), one end of the first connecting rod (2301) fixed with the gear structure (2302) is movably mounted on the first mounting frame (17), the other end of the first connecting rod (2301) is movably connected with a plurality of second connecting rods (2303), the plurality of second connecting rods (2303) are sequentially and movably connected with one another, and the uppermost layer of the second connecting rod (2303) is movably connected to the sample feeding mechanism (3);

the sample feeding mechanism (3) comprises a sample feeding tray (31), the sample feeding tray (31) is arranged opposite to the bearing bottom plate (11), two positioning rods (32) are fixed at the edge position of the lower surface of the sample feeding tray (31), the positioning rods (32) are matched with the positioning cylinders (12), three second mounting frames (33) are fixed on the lower surface of the sample feeding tray (31), the second mounting frames (33) are arranged corresponding to the first mounting frame (17), and the second mounting frames (33) are movably connected with the second connecting rod (2303); a crucible placing disc (34) is arranged at the center of the upper surface of the sample feeding tray (31), and a crucible (35) is placed in the crucible placing disc (34).

2. The sample injection device of the high-temperature oxidation furnace according to claim 1, wherein two positioning cylinders (12) are positioned in the diameter direction of the bearing bottom plate (11).

3. The sample introduction device of the high-temperature oxidation furnace according to claim 1, wherein the first mounting frame (17) comprises two side plates which are arranged in parallel, one end surfaces of the side plates are fixed on the inner side surface of the first mounting plate (13), and the included angle between the side plates and the first mounting plate (13) is 135-145 degrees.

4. The sample injection device of the high-temperature oxidation furnace according to claim 1, wherein the mounting ring (15) is parallel to the bearing bottom plate (11) and is coaxially arranged with the bearing bottom plate (11).

5. The sample introduction device of the high-temperature oxidation furnace according to claim 1, wherein the crucible placing disc (34) is made of a high-temperature heat insulating material, a groove is formed in the upper surface of the crucible placing disc (34), the groove is matched with the crucible (35), anti-slip lines are formed in the surface of the groove, a positioning hole (3401) is formed in the center of the surface of the crucible placing disc (34), a positioning column (3501) is arranged at the lower end of the crucible (35), and the positioning column (3501) is matched with the positioning hole (3401).

Technical Field

The invention belongs to the technical field of high-temperature oxidation furnaces, and particularly relates to a sample feeding device of a high-temperature oxidation furnace.

Background

In the oil-gas exploration and development, the organic matter content of source rocks such as oil shale and dark mudstone is measured, the organic carbon content is one of important indexes for evaluating the abundance of the source rocks, and the accuracy of measuring the organic carbon content is very important for evaluating the abundance of the source rocks.

At present, a rock pyrolysis instrument is mainly used for detecting the content of organic matters in rocks, and the main principle is as follows: placing a rock sample in a crucible, heating the crucible in a pyrolysis furnace for a period of time, transferring the crucible into an oxidation furnace, sending air, converting residual organic matters in the sample into carbon dioxide at 600 ℃, and converting the carbon dioxide into methane through catalytic hydrogenation to be detected by an FID detector. In this process, since the temperature of the heating process is high relative to humans, a situation in which a user is burned easily occurs when the sample is manually fed into the pyrolysis furnace or the oxidation furnace.

Chinese patent application No. 201410187759.5 discloses an autosampler for on rock pyrolysis appearance, include drive arrangement and the strutting arrangement who is used for supporting the sample crucible, strutting arrangement is the crucible base, the crucible base is including the support pedestal of installation pedestal and being used for placing the crucible, crucible base integrated into one piece. In the using process of the device, the crucible is placed on the supporting seat body, the supporting device and the sample crucible are fed into the heating furnace together by the driving device, the crucible is fed into the heating furnace in an automatic mode in the using process, burning accidents of users in the using process can be effectively prevented, however, the crucible base in the device is controlled by the air cylinder, the purpose of sample introduction is achieved by rotation of the rotary disc, the rotary disc is wide in coverage range in the rotating process and easy to touch sundries, and the crucible can fall off due to the effect of centrifugal force in the rotating process.

disclosure of Invention

The invention aims to provide a sample feeding device of a high-temperature oxidation furnace, which can realize the free movement of a sample feeding tray through the drive of a motor and the transmission among bevel gears and connecting rods, conveniently push a crucible into the high-temperature oxidation furnace and take the crucible out of the high-temperature oxidation furnace, and has the advantages of simple process and easy control.

The purpose of the invention can be realized by the following technical scheme:

A sample feeding device of a high-temperature oxidation furnace comprises a bearing device, a linkage device and a sample feeding mechanism, wherein the linkage device is arranged on the bearing device, and the sample feeding mechanism is arranged on the linkage device;

The bearing device comprises a bearing bottom plate, two positioning cylinders are fixed at the edge position of the upper surface of the bearing bottom plate, three first mounting plates are fixed on the upper surface of the bearing bottom plate and are uniformly distributed on the surface of the bearing bottom plate along the circumferential direction, a first mounting frame is fixed at the upper end of each first mounting plate, a connecting transverse plate is fixed on the inner side surface of each first mounting plate, the other ends of the three connecting transverse plates are fixed on mounting rings, and a second mounting plate is fixed on the upper surface of the bearing bottom plate;

The linkage device comprises a first bevel gear, a disc and a connecting rod mechanism, the first bevel gear is installed on the second installation plate in a penetrating mode through a bearing, the first bevel gear is connected with a motor, a spiral protrusion is arranged on the upper surface of the disc, a second bevel gear is fixed on the lower surface of the disc through a shaft lever, the shaft lever is matched with the installation ring, the shaft lever is installed on the installation ring in a penetrating mode through the bearing, and the second bevel gear is meshed with the first bevel gear; the connecting rod mechanism comprises a first connecting rod, one end of the first connecting rod is provided with a gear structure, the gear structure is meshed with the spiral protrusion on the upper surface of the disc, one end of the first connecting rod, which is fixed with the gear structure, is movably installed on the first installation frame, the other end of the first connecting rod is movably connected with a plurality of second connecting rods, the second connecting rods are sequentially and movably connected, and the second connecting rod at the uppermost layer is movably connected to the sample injection mechanism;

The sample feeding mechanism comprises a sample feeding tray, the sample feeding tray is arranged opposite to the bearing bottom plate, two positioning rods are fixed at the edge position of the lower surface of the sample feeding tray, the positioning rods are matched with the positioning cylinders, three second mounting frames are fixed at the lower surface of the sample feeding tray, the second mounting frames are arranged corresponding to the first mounting frames, and the second mounting frames are movably connected with the second connecting rods; the center of the upper surface of the sample injection tray is provided with a crucible placing tray, and the crucible is placed in the crucible placing tray.

Further, two positioning cylinders are positioned in the diameter direction of the bearing bottom plate.

further, the first mounting frame comprises two side plates which are arranged in parallel, one end surfaces of the side plates are fixed on the inner side surfaces of the first mounting plates, and the included angle between each side plate and the corresponding first mounting plate is 135-145 degrees.

further, the mounting ring is parallel to the bearing bottom plate and is coaxially arranged with the bearing bottom plate.

Furthermore, the crucible placing plate is made of high-temperature heat insulation materials, a groove is formed in the upper surface of the crucible placing plate and matched with the crucible, anti-slip lines are arranged on the surface of the groove, a positioning hole is formed in the center of the surface of the crucible placing plate, a positioning column is arranged at the lower end of the crucible, and the positioning column is matched with the positioning hole.

The invention has the beneficial effects that:

When the device is used, a rock sample to be detected is placed in the crucible, the crucible is stably placed in the crucible placing disc through the matching of the positioning column on the crucible and the positioning hole on the crucible placing disc, the motor connected with the first bevel gear is started to enable the sample introduction tray to stably rise, the crucible is pushed down into the high-temperature oxidation furnace under the pushing of the sample introduction tray to enable the sample introduction tray to move downwards, the sample introduction device is removed, the crucible is left in the high-temperature oxidation furnace to complete oxidation reaction, and after the reaction is finished, the crucible is supported by the high-temperature oxidation furnace through the same path to complete the sample introduction process;

The arrangement of the positioning holes on the crucible placing plate is beneficial to accurately and stably placing the crucible in the crucible placing plate, the operation is convenient, and the anti-slip grains are arranged on the surface of the groove on the crucible placing plate, so that the crucible is not easy to fall off in the process of moving the crucible; meanwhile, the sample feeding tray can freely move through the driving of a motor and the transmission among the bevel gears and the connecting rods, the crucible can be conveniently pushed into the high-temperature oxidation furnace and taken out of the high-temperature oxidation furnace, and the process is simple and easy to control; the crucible placing disc is made of a high-temperature heat insulation material, so that heat can be effectively insulated, and the influence on the service performance caused by the long-term contact of the sample feeding device and the high-temperature crucible can be prevented; the sample introduction device can realize convenient, rapid and stable sample introduction and is convenient to maintain.

drawings

The invention is described in further detail below with reference to the figures and specific embodiments.

FIG. 1 is a schematic structural diagram of a sample injection device of a high-temperature oxidation furnace according to the present invention.

FIG. 2 is a schematic structural diagram of a carrier of a sample injection device of a high-temperature oxidation furnace according to the present invention.

Fig. 3 is a partial structural schematic view of fig. 1.

Fig. 4 is a partial structural schematic view of fig. 3.

FIG. 5 is a schematic view of a portion of the structure of FIG. 3;

FIG. 6 is a schematic structural diagram of a sample injection mechanism of a sample injection device of a high-temperature oxidation furnace according to the present invention.

FIG. 7 is a schematic structural diagram of a sample injection mechanism of a sample injection device of a high-temperature oxidation furnace according to the present invention.

Detailed Description

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

Referring to fig. 1-7, a sample injection device of a high temperature oxidation furnace, as shown in fig. 1, includes a carrier 1, a linkage 2 and a sample injection mechanism 3, wherein the linkage 2 is installed on the carrier 1, and the sample injection mechanism 3 is installed on the linkage 2;

as shown in fig. 2, the carrying device 1 includes a carrying bottom plate 11, preferably, a universal wheel is disposed on a lower surface of the carrying bottom plate 11, and the whole sample feeding device can be movably moved; two positioning cylinders 12 are fixed at the edge of the upper surface of the bearing bottom plate 11, and specifically, the two positioning cylinders 12 are located in the diameter direction of the bearing bottom plate 11; three first mounting plates 13 are fixed on the upper surface of the bearing bottom plate 11, preferably, the three first mounting plates 13 are uniformly distributed on the surface of the bearing bottom plate 11 along the circumferential direction, a first mounting frame 17 is fixed at the upper end of the first mounting plate 13, the first mounting frame 17 comprises two side plates which are arranged in parallel, one end surfaces of the side plates are fixed on the inner side surface of the first mounting plate 13, the included angle between each side plate and the first mounting plate 13 is 135-145 degrees, a connecting transverse plate 14 is fixed on the inner side surface of the first mounting plate 13, the other ends of the three connecting transverse plates 14 are fixed on a mounting ring 15, and the mounting ring 15 is parallel to the bearing bottom plate 11 and is arranged coaxially with the bearing bottom plate 11; a second mounting plate 16 is fixed on the upper surface of the bearing bottom plate 11;

As shown in fig. 3 and 4, the linkage 2 includes a first bevel gear 21, a disc 22 and a link mechanism 23, the first bevel gear 21 is mounted on the second mounting plate 16 through a bearing, the first bevel gear 21 is connected with a motor, and the motor drives the first bevel gear 21 to rotate; the upper surface of the disc 22 is provided with a spiral protrusion, the lower surface of the disc 22 is fixed with a second bevel gear 2201 through a shaft rod, the shaft rod is matched with the mounting ring 15, the shaft rod is installed on the mounting ring 15 in a penetrating manner through a bearing, and the second bevel gear 2201 is meshed with the first bevel gear 21; as shown in fig. 5, the link mechanism 23 includes a first link 2301, one end of the first link 2301 is provided with a gear structure 2301, the gear structure 2302 is engaged with the spiral protrusion on the upper surface of the disc 22, one end of the first link 2301 fixed with the gear structure 2302 is movably mounted on the first mounting frame 17, the other end of the first link 2301 is movably connected with a plurality of second links 2303, the plurality of second links 2303 are sequentially and movably connected, and the uppermost second link 2303 is movably connected to the sampling mechanism 3;

as shown in fig. 6 and 7, the sample feeding mechanism 3 includes a sample feeding tray 31, the sample feeding tray 31 is disposed opposite to the bearing bottom plate 11, two positioning rods 32 are fixed at the edge of the lower surface of the sample feeding tray 31, the positioning rods 32 are matched with the positioning cylinders 12, three second mounting brackets 33 are fixed at the lower surface of the sample feeding tray 31, the second mounting brackets 33 are disposed corresponding to the first mounting brackets 17, and the second mounting brackets 33 are movably connected to the second connecting rods 2303; a crucible placing disc 34 is arranged at the center of the upper surface of the sample feeding tray 31, the crucible placing disc 34 is made of high-temperature heat insulation materials, a groove is formed in the upper surface of the crucible placing disc 34 and is matched with a crucible 35, anti-skid grains are arranged on the surface of the groove, a positioning hole 3401 is formed in the center of the surface of the crucible placing disc 34, a positioning column 3501 is arranged at the lower end of the crucible 35, the positioning column 3501 is matched with the positioning hole 3401, the crucible 35 is placed in the crucible placing disc 34, and the positioning hole 3401 is arranged, so that the crucible 35 can be accurately and stably placed in the crucible placing disc 34;

The working principle and the mode of the invention are as follows: the first bevel gear 21 is connected with a motor, the motor drives the first bevel gear 21 to rotate, the first bevel gear 21 is meshed with the second bevel gear 2201, the second bevel gear 2201 rotates to further drive the disc 22 fixedly connected with the first bevel gear through a shaft rod to rotate, the spiral protrusions on the surface of the disc 21 are meshed with the gear structures 2302 at the end parts of the first connecting rods 2301 for transmission, so that the gear structures 2302 rotate, and the sample injection tray 31 can move up and down in the vertical direction through the transmission of the connecting rods in the rotating process of the gear structures 2302;

placing a rock sample to be detected into a crucible 35, matching a positioning column 3501 on the crucible 35 with a positioning hole 3401 on a crucible placing tray 34, stably placing the crucible 35 into the crucible placing tray 34, starting a motor connected with a first bevel gear 2201 to stably lift a sample feeding tray 31, pushing the crucible into a high-temperature oxidation furnace by the pushing of the sample feeding tray 31, moving the sample feeding tray 31 downwards, removing a sample feeding device, leaving the crucible in the high-temperature oxidation furnace to complete oxidation reaction, and after the reaction is finished, carrying the crucible 35 by the high-temperature oxidation furnace through the same path to complete the sample feeding process;

The arrangement of the positioning holes 3401 on the crucible placing plate 34 is favorable for accurately and stably placing the crucible 35 in the crucible placing plate 34, the operation is convenient, and the anti-slip grains are arranged on the surface of the groove on the crucible placing plate 34, so that the crucible 35 is not easy to fall off in the process of moving the crucible 35; meanwhile, the sample injection tray 31 can move freely through the driving of a motor and the transmission among the bevel gears and the connecting rods, the crucible 35 is pushed into the high-temperature oxidation furnace and taken out of the high-temperature oxidation furnace conveniently, and the process is simple and easy to control; the crucible placing disc 34 is made of a high-temperature heat insulation material, so that heat can be effectively insulated, and the influence on the service performance caused by the long-term contact of the sample feeding device and the high-temperature crucible can be prevented; the sample introduction device can realize convenient, rapid and stable sample introduction and is convenient to maintain.

in the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the accompanying claims.