CN204228637U - Ash melting tester - Google Patents

Ash melting tester Download PDF

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Publication number
CN204228637U
CN204228637U CN201420644671.7U CN201420644671U CN204228637U CN 204228637 U CN204228637 U CN 204228637U CN 201420644671 U CN201420644671 U CN 201420644671U CN 204228637 U CN204228637 U CN 204228637U
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CN
China
Prior art keywords
combustion chamber
ball screw
burner hearth
jig
grey melting
Prior art date
Application number
CN201420644671.7U
Other languages
Chinese (zh)
Inventor
罗建文
黄海键
Original Assignee
长沙开元仪器股份有限公司
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Publication date
Application filed by 长沙开元仪器股份有限公司 filed Critical 长沙开元仪器股份有限公司
Priority to CN201420644671.7U priority Critical patent/CN204228637U/en
Application granted granted Critical
Publication of CN204228637U publication Critical patent/CN204228637U/en

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Abstract

The utility model discloses a kind of grey melting tester, sampling device comprise movement fixed head, rotate be arranged at ball screw on movement fixed head, the motor that drives ball screw to rotate, ball screw nut, the axle be connected with movement fixed head, the bridge plate be arranged in axle that slides, the mount pad be fixedly installed on bridge plate, be arranged at mount pad away from the side of bridge plate upper cover, rotate be arranged at upper cover combustion chamber, be sheathed on gear train on ball screw and baffle plate; Axle is parallel with ball screw, is provided with damper assembly between bridge plate and ball screw nut, and gear train is connected with combustion chamber; Baffle plate is arranged at ball screw away from motor one end, and gear train is between ball screw nut and baffle plate; Sampling device is fixedly connected with the bottom of burner hearth assembly, and the central shaft of combustion chamber aligns with the central shaft of burner hearth.The grey melting tester that the utility model provides, improves device serviceable life; Reduce maintenance and maintenance cost; Ensure that the reliability that burner hearth seals.

Description

Ash melting tester
Technical field
The utility model relates to testing apparatus technical field, particularly the grey melting tester of one.
Background technology
At present, in the grey melting tester on market, sample is installed on combustion chamber, and combustion chamber is installed on middle supporting plate, and middle supporting plate is undertaken affixed by feed screw nut and screw body.Driving screw mandrel to rotate the upper and lower motion of supporting plate in realization by being installed on to drive below screw mandrel and away from first motor of burner hearth, realizing loading and the sample presentation work of sample with this.
After sample delivers to the precalculated position of burner hearth by first motor, the rotary motion of sample in burner hearth is driven, so that video camera observes the test situation of sample by the fixed hole position of on burner hearth by being installed on below burner hearth and near the second motor of burner hearth.
But, due to needs installation two motors, its mechanism is limited, screw mandrel is driven to be arranged in the acentric position of supporting plate, make to form the arm of force between the center of gravity of pallet part and screw mandrel, and produce a gravitational torque thus, make the verticality between middle supporting plate and screw mandrel, through having greatly changed later after a while, make middle supporting plate and screw mandrel no longer vertical.When such meeting directly causes combustion chamber to be rotated in burner hearth, because the gap between combustion chamber and burner hearth is very little, there is ' sweeping wall ' phenomenon between combustion chamber and burner hearth, affect device serviceable life; Further, need installation two motors to drive lifting and the rotation of sample respectively, make sampling device complex structure and be not easy to dismounting, maintenance and maintenance cost higher.In addition, due to middle supporting plate after loading because the reason of mechanism's bias causes unbalance stress everywhere, be easy to cause sealing property herein to lose efficacy.
Therefore, how to improve device serviceable life, reduce maintenance and maintenance cost, improving burner hearth sealing reliability, is the art personnel problem demanding prompt solutions.
Utility model content
In view of this, the utility model provides a kind of grey melting tester, to improve device serviceable life, reduces maintenance and maintenance cost, improves burner hearth sealing reliability.
For achieving the above object, the utility model provides following technical scheme:
A kind of grey melting tester, comprise burner hearth assembly and sampling device, described sampling device comprises movement fixed head, rotate the ball screw be arranged on described movement fixed head, drive the motor that described ball screw rotates, the ball screw nut matched with described ball screw, the axle that one end is connected with described movement fixed head, slide the bridge plate be arranged in described axle, be fixedly installed on the mount pad on described bridge plate, be arranged at the upper cover of described mount pad away from the side of described bridge plate, rotate and be arranged at the combustion chamber of described upper cover away from the side of described bridge plate, be sheathed on the gear train on described ball screw and the baffle plate for stopping described gear train,
The axis of described axle and the axis being parallel of described ball screw, be provided with damper assembly between described bridge plate and described ball screw nut, described gear train is connected with described combustion chamber; Described baffle plate is arranged at described ball screw one end away from described motor, and described gear train is between described ball screw nut and described baffle plate;
Described sampling device is fixedly connected with the bottom of described burner hearth assembly, and the central shaft of described combustion chamber aligns with the central shaft of the burner hearth in described burner hearth assembly.
Preferably, in above-mentioned grey melting tester, also comprise the flue sealing socket of the bottom being arranged on described burner hearth assembly, it has the through hole passed for described combustion chamber;
Described axle is fixedly connected with described flue sealing socket away from one end of described movement fixed head;
Described upper cover is provided with the first O-ring seal towards the one side of described flue sealing socket.
Preferably, in above-mentioned grey melting tester, the inside of described mount pad has the internal tooth be axially evenly arranged along it;
Described gear train has the gear teeth be meshed with described internal tooth.
Preferably, in above-mentioned grey melting tester,
Also comprise combustion chamber holder, described combustion chamber is fixed on described combustion chamber holder;
Described gear train comprises planet carrier, planetary gear and centre wheel;
The side of described planet carrier is connected with described combustion chamber holder; Described planetary gear is arranged at the opposite side of described planet carrier and the planetary gear matched with the internal tooth of described mount pad;
Described centre wheel engages with described planetary gear, and described centre wheel to be sheathed on described ball screw and affixed with described ball screw nut, and between described baffle plate and described ball screw nut.
Preferably, in above-mentioned grey melting tester, between described combustion chamber holder and described upper cover, the second O-ring seal is provided with.
Preferably, in above-mentioned grey melting tester, described combustion chamber is fixed on described combustion chamber holder by combustion chamber stationary installation;
Described combustion chamber stationary installation comprises: the combustion chamber lock ring being arranged at the upper end of described combustion chamber holder, and described combustion chamber lock ring and described combustion chamber holder are connected by screw; Be arranged at the combustion chamber jig between described combustion chamber lock ring and described combustion chamber holder, described combustion chamber jig is the annular jig be sheathed on outside described combustion chamber, the wall contacts of its inwall and described combustion chamber.
Preferably, in above-mentioned grey melting tester, described combustion chamber jig is metal jig, and described combustion chamber jig is provided with jig opening;
The inwall of described combustion chamber lock ring be lock ring taper surface and its larger diameter end towards described combustion chamber holder, the outside surface of described combustion chamber jig has first taper surface suitable with described lock ring taper surface;
And/or, the inwall of described combustion chamber holder near its upper end there is lower fixed seat taper surface and its larger diameter end towards described combustion chamber lock ring, the outside surface of described combustion chamber jig has second taper surface suitable with described lower fixed seat taper surface.
Preferably, in above-mentioned grey melting tester, described combustion chamber jig is flexible pad.
Preferably, in above-mentioned grey melting tester, the 3rd O-ring seal between described combustion chamber holder and described combustion chamber, is provided with.
Preferably, in above-mentioned grey melting tester, described burner hearth assembly also comprises and is installed on arrangement for perspective on described burner hearth and video camera;
Described arrangement for perspective comprises: be installed on the support on burner hearth, described support is provided with the through hole alignd with the viewport on described burner hearth; Be arranged at the saturating anti-mirror on described support, the surface of contact that described anti-mirror contacts along described support with described burner hearth is obliquely installed, and the projection on the bracket of described anti-mirror covers described through hole;
Described video camera is corresponding with the saturating anti-mirror of described arrangement for perspective to be arranged.
Preferably, in above-mentioned grey melting tester, the angle a between described anti-mirror and the axis of described through hole is 30 ° ~ 60 °.
Preferably, in above-mentioned grey melting tester, described support has the sway brace of the axis arranged along described through hole, described anti-mirror is installed on described sway brace;
The quantity of described sway brace is two and is symmetricly set in the both sides of described through hole, and the arranged outside of described sway brace has heat radiator.
Preferably, in above-mentioned grey melting tester, described burner hearth comprises main boiler tube, background pipe, temperature tube and observes capture pipe, and described main boiler tube, described background pipe, described temperature tube and described observation capture pipe are integral type structure.
Preferably, in above-mentioned grey melting tester, the axis of described background pipe and the axis of described observation capture pipe and the axis perpendicular of described main boiler tube;
Described background pipe and described observation capture pipe are symmetricly set on the sidewall of described main boiler tube.
Preferably, in above-mentioned grey melting tester, described bridge plate has the nut through hole be sheathed on outside described ball screw nut, is provided with clutch shaft bearing between described ball screw nut and described nut through hole.
Preferably, in above-mentioned grey melting tester, described ball screw passes described movement fixed head away from one end of described combustion chamber and is provided with follower gear;
Described motor to be arranged on described movement fixed head and its output terminal through described movement fixed head; The output terminal of described motor is provided with the driving gear engaged with described follower gear.
Preferably, in above-mentioned grey melting tester, also comprise and be arranged on described movement fixed head, for controlling the microswitch of the power-off of described motor;
The button of described microswitch to press direction consistent with described ball screw nut direction of motion.
As can be seen from above-mentioned technical scheme, the grey melting tester that the utility model provides, lifting and the rotation of combustion chamber is completed by a motor, ball screw, combustion chamber and burner hearth central shaft is convenient to align, avoid ' sweeping wall ' phenomenon occurred between combustion chamber and burner hearth, improve device serviceable life; Simplify the structure of sampling device and be convenient to dismounting, reducing maintenance and maintenance cost; Arranged by above-mentioned screw rod transmission, make combustion chamber to produce eccentric moment, make combustion chamber and the parts that are mated be in optimum duty, ensure that the sealing property bottom combustion chamber, and then ensure that the reliability that burner hearth seals.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the sampling device that Fig. 1 provides for the utility model embodiment;
The cross-sectional schematic of the sampling device that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the first partial enlarged drawing of part A in Fig. 2;
Fig. 4 is the partial enlarged drawing of part B in Fig. 2;
Fig. 5 is for looking schematic diagram in a left side for the sampling device that the utility model embodiment provides;
Fig. 6 is the cut-away illustration along C-C face in Fig. 2;
The schematic front view of the planet carrier that Fig. 7 provides for the utility model embodiment;
The elevational schematic view of the planet carrier that Fig. 8 provides for the utility model embodiment;
The schematic front view of the combustion chamber holder that Fig. 9 provides for the utility model embodiment;
The cross-sectional schematic of the combustion chamber holder that Figure 10 provides for the utility model embodiment;
The schematic front view of the bridge plate that Figure 11 provides for the utility model embodiment;
The cross-sectional schematic of the bridge plate that Figure 12 provides for the utility model embodiment;
The schematic front view of the movement fixed head that Figure 13 provides for the utility model embodiment;
The schematic front view of the flue sealing socket that Figure 14 provides for the utility model embodiment;
The cross-sectional schematic of the flue sealing socket that Figure 15 provides for the utility model embodiment;
The schematic front view of the combustion chamber lock ring that Figure 16 provides for the utility model embodiment;
The cross-sectional schematic of the combustion chamber lock ring that Figure 17 provides for the utility model embodiment;
The schematic front view of the combustion chamber jig that Figure 18 provides for the utility model embodiment;
The cross-sectional schematic of the combustion chamber jig that Figure 19 provides for the utility model embodiment;
The schematic front view of the centre wheel that Figure 20 provides for the utility model embodiment;
The cross-sectional schematic of the centre wheel that Figure 21 provides for the utility model embodiment;
Figure 22 is the second partial enlarged drawing of part A in Fig. 2;
The cross-sectional schematic of the arrangement for perspective that Figure 23 provides for the utility model embodiment;
The schematic front view of the arrangement for perspective that Figure 24 provides for the utility model embodiment;
The schematic side view of the arrangement for perspective that Figure 25 provides for the utility model embodiment;
The cross-sectional schematic of the burner hearth that Figure 26 provides for the utility model embodiment.
Wherein,
Burner hearth assembly-A, burner hearth-A1, background pipe-A11, main boiler tube-A12, temperature tube-A13, observe capture pipe-A14, arrangement for perspective-A2, through hole-A211, sway brace-A212, screw mounting hole-A213, video camera-A3, sampling device-B, ash cone supporting plate-1, hypanthium-2, combustion chamber-3, without oily lining-4, first nut-5, first O-ring seal-6, flue sealing socket-7, through hole-71, second axle fixed orifice-72, first screw-8, second O-ring seal-9, upper cover-10, planet carrier-11, planet carrier coupling shaft-111, planetary gear rotating shaft-112, mount pad-12, second screw-13, catch-14, friction disc-15, bearing end cover-16, clutch shaft bearing-17, axle sleeve-18, keep cover plate-19, motor-20, determine journey block-21, driving gear-22, shaft block ring-23, second nut-24, screw mandrel mount pad-25, planetary gear-26, second bearing-27, flat key-28, centre wheel-29, the gear teeth-291, center, centre wheel web joint-292, 3rd screw-30, follower gear-31, movement fixed head-32, second center pit-321, first axle fixed orifice-322, motor through hole-323, 4th screw-33, 5th screw-34, switch bracket-35, axle-36, microswitch-37, 6th screw-38, ball screw-39, 7th screw-40, 8th screw-41, damper assembly-42, 9th screw-43, bridge plate-44, first center pit-441, linear bearing mounting hole-442, linear bearing-45, ball screw nut-46, tenth screw-47, cushion cover-48, 3rd bearing-49, hole back-up ring-50, combustion chamber holder-51, inner position protruding-511, outside fix latch-512, 3rd O-ring seal-52, 3rd nut-53, combustion chamber jig-54, jig opening-541, combustion chamber lock ring-55.
Embodiment
The utility model discloses a kind of grey melting tester, to improve device serviceable life; Reduce maintenance and maintenance cost, improve burner hearth sealing reliability.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1-Fig. 4, the structural representation of the sampling device that Fig. 1 provides for the utility model embodiment; The cross-sectional schematic of the sampling device that Fig. 2 provides for the utility model embodiment; Fig. 3 is the partial enlarged drawing of part A in Fig. 2; Fig. 4 is the partial enlarged drawing of part B in Fig. 2.
The utility model embodiment provides a kind of grey melting tester, comprises burner hearth assembly A and sampling device B.Sampling device B comprises: ball screw 39, and ball screw 39 rotates and is arranged on movement fixed head 32; Drive the motor 20 that ball screw 39 rotates; The ball screw nut 46 matched with ball screw 39; The axle 36 that one end is connected with movement fixed head 32, the axis of axle 36 and the axis being parallel of ball screw 39; Slide the bridge plate 44 be arranged in axle 36, is provided with damper assembly 42 between bridge plate 44 and ball screw nut 46; Be fixedly installed on the mount pad 12 on bridge plate 44; Be arranged at the upper cover 10 of mount pad 12 away from the side of bridge plate 44; Rotate and be arranged at the combustion chamber 3 of upper cover 10 away from the side of bridge plate 44; Be sheathed on the gear train on ball screw 39, gear train matches with mount pad 12, and gear train is connected with combustion chamber 3; Be arranged at ball screw 39 one end away from motor 20, for stopping the baffle plate 14 of gear train, gear train is between ball screw nut 46 and baffle plate 14; Sampling device B is fixedly connected with the bottom of burner hearth assembly A, and the central shaft of combustion chamber 3 aligns with the central shaft of the burner hearth A1 in burner hearth assembly A.
The grey melting tester that the utility model embodiment provides, in loading process, motor 20 rotates forward, ball screw 39 is driven to rotate, owing to being provided with damper assembly 42 between bridge plate 44 and ball screw nut 46, avoid ball screw nut 46 to rotate with ball screw 39, only axially move along ball screw 39, now bridge plate 44 is along axle 36 upward sliding; In the process that combustion chamber 3 moves upward, ball screw nut 46 drives bridge plate 44 to move upward, and then drives mount pad 12 and upper cover 10 to move upward, until ball screw nut 46 contacts with baffle plate 14; Because ball screw 39 is provided with baffle plate 14 away from one end of motor 20, stop that gear train rises, namely, ball screw nut 46 compresses with gear train under the stop of baffle plate 14, make ball screw nut 46 cannot along the axially-movable of ball screw 39, until ball screw nut 46 overcomes the damping action of damper assembly 42, rotate with ball screw 39; Ball screw nut 46 and gear train compress, and under the effect of friction force, ball screw nut 46 drives gear train to rotate, and then combustion chamber 3 is rotated.The sampling device B that the utility model embodiment provides, lifting and the rotation of combustion chamber 3 is completed by a motor, the central shaft of burner hearth A1 in the central shaft of ball screw 39, combustion chamber 3 and burner hearth assembly A is convenient to align, avoid ' sweeping wall ' phenomenon occurred between combustion chamber 3 and burner hearth, improve device serviceable life; Simplify the structure of sampling device B and be convenient to dismounting, reducing maintenance and maintenance cost; Arranged by above-mentioned screw rod transmission, make combustion chamber 3 to produce eccentric moment, make combustion chamber and the parts that are mated be in optimum duty, ensure that the sealing property bottom combustion chamber, and then ensure that the reliability that burner hearth seals.
As shown in Figure 14 and Figure 15, in the sampling device B that the utility model embodiment provides, also comprise the flue sealing socket 7 of the bottom being arranged on burner hearth assembly A, flue sealing socket 7 has the through hole 71 passed for combustion chamber 3; Axle 36 is fixedly connected with flue sealing socket 7 away from one end of movement fixed head 32.That is, one end of axle 36 is fixedly connected with movement fixed head 32, and the other end of axle 36 is connected with flue sealing socket 7, forms rigid frame.Movement fixed head 32 is provided with the second center pit 321 be sheathed on outside ball screw 39, also comprises the first axle fixed orifice 322 of the one end for stationary spindle 36.Flue sealing socket 7 is provided with the second axle fixed orifice 72 of stationary spindle 36, axle 36 is fixed on flue sealing socket 7 by the 3rd nut 53.
Further, upper cover 10 is provided with the first O-ring seal 6 towards the one side of flue sealing socket 7.To guarantee the sealing between upper cover 10 and flue sealing socket 7.
Preferably, motor 20 is reversible electric machine, so that realize the rise and fall of combustion chamber 3 by the forward and reverse controlling motor 20.Also can use single direction rotatable motor, rotating forward and the reversion of ball screw 39 can be realized by arranging the changed course drive disk assembly transmission direction changed between motor 20 and ball screw 39, introducing no longer in detail at this.
Wherein, linear bearing 45 is provided with between bridge plate 44 and axle 36.As is illustrated by figs. 11 and 12, bridge plate 44 have sheathed ball screw nut 46 the first center pit 441 and along the uniform linear bearing mounting hole 442 of the circumference of the first center pit 441.In the present embodiment, the quantity of axle 36 is three, and therefore, the quantity of linear bearing mounting hole 442 is also three.Also can be set to other quantity, introduce no longer in detail and all within protection domain at this.
Preferably, damper assembly 42 is fixed on bridge plate 44 by the 9th screw 43.Also damper assembly 42 can be arranged at other positions, introduce no longer in detail and all within the protection domain of the utility model embodiment at this.
Bridge plate 44 is fixed by the 8th screw 41 with mount pad 12.
Combustion chamber 3 is provided with successively hypanthium 2 and ash cone supporting plate 1, so that sample is placed.
As shown in Figure 2, baffle plate 14 is fixedly installed on ball screw 39 by the second screw 13.
As shown in Figure 6, gear train comprises the inside that is arranged at mount pad 12 and along its internal tooth be axially evenly arranged and the gear teeth be meshed with internal tooth, the gear teeth are connected with combustion chamber 3.When combustion chamber 3 rotates, the gear teeth coordinate with the internal tooth of mount pad 12, improve the rotational stability of gear train, and then make combustion chamber 3 stable rotation.
As shown in Figure 2 and Figure 6, the grey melting tester that the utility model embodiment provides also comprises combustion chamber holder 51, and combustion chamber 3 is fixed on combustion chamber holder 51.Gear train comprises: planet carrier 11, and the side of planet carrier 11 is fixedly connected with combustion chamber holder 51; The opposite side being arranged at planet carrier 11 is provided with the planetary gear 26 matched with the internal tooth of mount pad 12; Be sheathed on the centre wheel 29 on ball screw 39, centre wheel 29 is between baffle plate 14 and ball screw nut 46 and be fixed on ball screw nut 46.The gear teeth comprise the planetary gear 26 be meshed with the internal tooth of mount pad 12 and the centre wheel 29 engaged with planetary gear 26; Centre wheel 29 is fixed on ball screw nut 46.When ball screw 39 rotates, until after ball screw nut 46 and baffle plate 14 rigid contact, now centre wheel 29 engages with planetary gear 26, planetary gear 26 engages with the internal tooth of mount pad 12, make planet carrier 11 pairs of combustion chamber holders 51 export the motion of required reduction gear ratio, thus obtain the motion needed for combustion chamber 3.
Also gear train can be set to cycloidal-pin wheel, its outer gear be engaged with the internal tooth of mount pad 12, above-mentioned effect can be reached equally.No longer specifically to describe and all within protection domain at this.
In order to consider processing technology, can by adopt after the center gear teeth 291 and centre wheel web joint 292 parts processing the modes such as screw thread affixed, also centre wheel 29 directly can be processed in aggregates, then to be fixed on ball screw nut 46.
As shown in Figure 20 and Figure 21, centre wheel 29 comprises the center gear teeth 291 that engage with planetary gear 26 and is positioned at centered by its side away from combustion chamber 3 takes turns web joint 292, and ball screw nut 46 is connected by bolt or screw with centre wheel web joint 292.
Due to the existence of damping mechanism, guarantee that ball screw nut 46 can not produce axial rotation motion in lifting process, now, gear train is followed bridge plate 44 and is carried out upper and lower elevating movement; When centre wheel 29 along with ball screw nut 46 rises to ball screw 39 top, centre wheel 29 engages with planetary gear 26; Until with baffle plate 14 rigid contact after, due to the barrier effect of baffle plate 14, centre wheel 29 and ball screw nut 46 cannot continue vertical motion, then overcome the damping force that damping mechanism produces, carry out the rotary motion of horizontal direction, centre wheel 29 rotates and drives planetary gear 26 to rotate.
As shown in Figure 2, further, be provided with between the rotation axis of planetary gear 26 and planet carrier 11 the 3rd bearing the 49, three bearing 49 away from the side of planet carrier 11 arrange porose with back-up ring 50, be arranged at the cushion cover 48 in hole back-up ring 50 and be sheathed in cushion cover 48 and the tenth screw 47 be connected with the rotation axis of planet carrier 11.
The quantity of above-mentioned planetary gear 26 is three and circumference (i.e. the circumference of centre wheel 29) along planet carrier 11 is evenly arranged.Also the quantity of planetary gear 26 can be set to other quantity, as one, more than two or four, to introduce no longer in detail and all within protection domain at this.
As shown in Figure 2, the second O-ring seal 9 is provided with between combustion chamber holder 51 and upper cover 10.By arranging the second O-ring seal 9, guarantee the sealing between combustion chamber holder 51 and upper cover 10.
Gear train has the planet carrier coupling shaft 111 through upper cover 10, and planet carrier coupling shaft 111 is fixedly installed combustion chamber holder 51 near one end of combustion chamber 3, and combustion chamber 3 is fixedly installed on combustion chamber holder 51.By arranging combustion chamber holder 51, ensure that the stability of strutting system of gear train to combustion chamber 3.Wherein, be understandable that, planet carrier coupling shaft 111 and ball screw 39 are coaxially arranged, and planet carrier coupling shaft 111 is connected with the center of combustion chamber holder 51, and combustion chamber holder 51 and combustion chamber 3 are coaxially arranged.
As shown in Fig. 3, Fig. 7 and Fig. 8, in the present embodiment, because gear train is planetary wheeling mechanism, planet carrier 11 has planet carrier body, the planetary gear rotating shaft 112 that is rotationally connected with planetary gear 26 and the planet carrier coupling shaft 111 be connected with combustion chamber 3.The planetary gear rotating shaft 112 be rotationally connected with planetary gear 26 is arranged at the side of planet carrier body, and planet carrier coupling shaft 111 is arranged at the opposite side of planet carrier body.Planet carrier coupling shaft 111 is provided with the shaft shoulder for locating combustion chamber holder 51, the one side of combustion chamber holder 51 contacts with the shaft shoulder, and the other end contacts with the first nut 5 be sheathed on planet carrier coupling shaft 111.Be provided with between planet carrier coupling shaft 111 and upper cover 10 without oily lining 4, can axial rotation motion be realized.
As shown in FIG. 9 and 10, combustion chamber holder 51 is sheathed on planet carrier coupling shaft 111, its inwall has the inner position projection 511 of locating with planet carrier coupling shaft 111, and the end face of combustion chamber holder 51 (face contacted with combustion chamber 3) is provided with outside fix latch 512.
Combustion chamber holder 51 and combustion chamber 3 are fixed by combustion chamber stationary installation, and combustion chamber stationary installation comprises combustion chamber jig 54 and combustion chamber lock ring 55.The upper end of combustion chamber holder 51 is provided with combustion chamber lock ring 55, and combustion chamber lock ring 55 is connected by the first screw 8 with combustion chamber holder 51; Be provided with combustion chamber jig 54 between combustion chamber lock ring 55 and combustion chamber holder 51, combustion chamber jig 54 is for being sheathed on the annular jig outside combustion chamber 3, the wall contacts of its inwall and combustion chamber 3.To be tightened by the first screw 8 at combustion chamber lock ring 55 and combustion chamber holder 51 and extrude combustion chamber jig 54, make combustion chamber jig 54 that elastic deformation occur, and then ensure that combustion chamber 1 is fixed by combustion chamber jig 54, the inwall of combustion chamber jig 54 and the outer wall of combustion chamber 3 extrude, and realize the fixing of combustion chamber 3.Avoid combustion chamber holder 51 to be directly threaded with combustion chamber 3 and the installation inconvenience that causes, by effectively facilitating the fixing of combustion chamber 3; Further, without the need to arranging threaded portion, and then the whole height avoiding increase combustion chamber holder 51 to be connected with combustion chamber 3, avoid oversize, effectively improve structural compactness.
As shown in Figure 16, Figure 17, Figure 18 and Figure 19, in the present embodiment, combustion chamber jig 55 is metal clasp, and combustion chamber jig 54 has jig opening 541.By tightening the first screw 8, combustion chamber lock ring 55 is moved to combustion chamber holder 51, while clamping combustion chamber jig 54, make the jig opening 541 of combustion chamber jig 54 close, and combustion chamber jig 54 shrinks and clamp combustion chamber 3, complete fixing of combustion chamber 3 and combustion chamber holder 51.
When moving to combustion chamber holder 6 to make combustion chamber lock ring 3a, jig opening 4a1 closes, the inwall of the combustion chamber lock ring 55 in the present embodiment be lock ring taper surface and its larger diameter end towards combustion chamber holder 51, the outside surface of combustion chamber jig 54 has suitable first taper surface with lock ring taper surface; The inwall of combustion chamber holder 51 near its upper end there is lower fixed seat taper surface and its larger diameter end towards combustion chamber lock ring 55, the outside surface of combustion chamber jig 54 has suitable second taper surface with lower fixed seat taper surface.By above-mentioned setting, when tightening the first screw 8, combustion chamber lock ring 55 is close to each other with combustion chamber holder 51, lock ring taper surface extrudes the first taper surface to the direction of combustion chamber 3, lower fixed seat taper surface extrudes the second taper surface to the direction of combustion chamber 3, thus jig opening 541 is closed, combustion chamber jig 54 inwardly shrinks.And then extrude combustion chamber jig 54 to the outer wall of combustion chamber 3, reach sealing effectiveness.Wherein, combustion chamber jig 54 has jig opening 541, so that the elastic deformation of combustion chamber jig 54.
Also can only the inwall of combustion chamber lock ring 55 be lock ring taper surface and its larger diameter end towards combustion chamber holder 51, the outside surface of combustion chamber jig 54 has taper surface suitable with lock ring taper surface, and combustion chamber holder 51 is plane with the surface of contact of combustion chamber jig 54.The inwall of combustion chamber holder 51 near its upper end can also be had lower fixed seat taper surface and its larger diameter end towards combustion chamber lock ring 55, the outside surface of combustion chamber jig 54 has taper surface suitable with lower fixed seat taper surface, and combustion chamber lock ring 55 is plane with the surface of contact of combustion chamber jig 54.Combustion chamber jig 54 can also be set to sprung jaws, namely use resilient material to be made into jig, the close to each other and elastic deformation by combustion chamber lock ring 55 and combustion chamber holder 51.To introduce no longer in detail and all within protection domain at this.
In another embodiment, combustion chamber jig 54 is flexible pad.Close to combustion chamber holder 51 at combustion chamber lock ring 55, combustion chamber jig 54 elastic deformation, and then its inner ring is shunk and clamping combustion chamber 3, completes the fixing of combustion chamber 3 and combustion chamber holder 51.Wherein, above-mentioned flexible pad can be rubber blanket or resin mat etc.
In order to ensure the sealing effectiveness between the outer wall of combustion chamber 3 and combustion chamber holder 51, between combustion chamber holder 51 and combustion chamber 3, be provided with the 3rd O-ring seal 52.
As shown in Figure 2, in the first embodiment, the 3rd O-ring seal 52 is between the sidewall and the madial wall of combustion chamber holder 51 of combustion chamber 3.The madial wall of combustion chamber holder 51 is provided with ring groove, 3rd O-ring seal 52 is placed in ring groove, combustion chamber 3 is placed in combustion chamber holder 51, the sidewall of combustion chamber 3 is slided along the madial wall of combustion chamber holder 51, thus compress the 3rd O-ring seal 52, complete both sealings.Be understandable that, the top of combustion chamber holder 51 has the groove holding combustion chamber 3, and the madial wall of combustion chamber holder 51 is the sidewall of groove.
As shown in figure 22, in the second embodiment, the 3rd O-ring seal 52 is between the diapire and the end face of combustion chamber holder 51 of combustion chamber 3.Wherein, the end face of combustion chamber holder 51 is that its top is for holding the groove bottom of the groove of combustion chamber 3.Preferably, the end face of combustion chamber holder 51 is provided with ring groove, 3rd O-ring seal 52 is placed in ring groove, combustion chamber 3 is placed in combustion chamber holder 51, the sidewall of combustion chamber 3 is slided along the madial wall of combustion chamber holder 51, and the diapire of combustion chamber 3 moves to the end face near combustion chamber holder 51, and then compress the 3rd O-ring seal 52.
As shown in Figure 1, Figure 23, shown in Figure 24 and Figure 25, burner hearth assembly A also comprises and is installed on arrangement for perspective A2 on burner hearth A1 and video camera A3; Arrangement for perspective A2 comprises: for being installed on the support A21 on burner hearth A1, support A21 is provided with the through hole A211 for aliging with the viewport on burner hearth A1; Be arranged at the saturating anti-mirror A22 on support A21, the surface of contact that saturating anti-mirror A22 contacts along support A21 with burner hearth A1 is obliquely installed, and the projection of saturating anti-mirror A22 on support A21 covers through hole A211; Video camera A3 is corresponding with the saturating anti-mirror of arrangement for perspective A2 to be arranged.
In use, support A21 is installed on burner hearth, through hole A211 on it aligns with viewport, because the projection of saturating anti-mirror A22 on support A21 covers through hole A211, make operating personnel in observation process, can observe burner hearth inside through saturating anti-mirror A22, through hole A211 and viewport; And, the surface of contact that saturating anti-mirror A22 is used for contacting with burner hearth along support A21 is obliquely installed, namely after installing, its xsect along viewport is obliquely installed, and the projection of saturating anti-mirror A22 on support A21 covers through hole A211, make the image of through hole A211 change angle by the reflex of saturating anti-mirror A22, video camera A3 is alignd with the reflection angle of saturating anti-mirror A22, so that make a video recording to burner hearth A1 inside.That is, get final product complete operation personnel to the observation of the inner specimen test situation of burner hearth A1 and shooting by means of only a viewport, decrease burner hearth A1 the number of openings, improve burner hearth A1 sealing effectiveness, reduce potential safety hazard.
Wherein, burner hearth A1 can be directly installed on, so that be directly covered on viewport for the photoscope sealing the viewport of burner hearth A1; Also on through hole A211, photoscope can be installed, by arrangement for perspective A2 is installed on burner hearth A1, the through hole A211 being provided with photoscope is covered on viewport, and then completes the sealing of A1 burner hearth.
Further, the angle a between saturating anti-mirror A22 and the depth direction of through hole A211 is 30 ° ~ 60 °.Wherein, preferably the angle a between saturating anti-mirror A22 and the depth direction of through hole A211 is set to 45 °, so that placed along the vertical direction of burner hearth A1 by video camera A3.
For the ease of fixing on support A21 of saturating anti-mirror A22, support A21 has the sway brace A212 that the depth direction along through hole A211 is arranged.Sway brace A212 completes it fix by saturating anti-mirror A22 is installed on.Further, by arranging sway brace A212, effectively expand the distance of anti-mirror A22 to burner hearth, and then avoid anti-mirror A22 and be heated too much and be out of shape, improve its serviceable life.
Further, the quantity of sway brace A212 is two and is symmetricly set in the both sides of through hole A211.After mounting, guarantee that sway brace A212 installs along the vertical direction of burner hearth, so that the reflective operation of saturating anti-mirror A22.
As shown in figures 24 and 25, the arranged outside of sway brace A212 has heat radiator.By arranging heat radiator, improve the radiating effect of sway brace A212, and then reduce the heat be delivered to by burner hearth on anti-mirror A22, further increase its serviceable life.
Interfere to avoid heat radiator and external device while guaranteeing radiating effect, the projection line of outer face on support A21 of heat radiator overlaps with the outer contour of support A21, that is, heat radiator is no more than at the edge of support A21 away from one end of sway brace A212.
Sway brace A212 is provided with the groove for locating anti-mirror A22.In the present embodiment, the quantity of sway brace A212 is two, it is provided with groove and groove is oppositely arranged.In the present embodiment, saturating anti-mirror A22 is the saturating anti-mirror of rectangle, being installed on after in groove by saturating anti-mirror A22, is fixed two sides of anti-mirror A22 by two grooves respectively, anti-mirror A22 is fixed between two sway brace A212, ensure that the stability maintenance of anti-mirror A22.
In the present embodiment, support A21 has the screw mounting hole A213 for being fixedly connected with burner hearth.Support A21 is connected with burner hearth by screw.Also can adopt other modes, as buckle connected mode or welding etc., introduce no longer in detail and all within protection domain at this.
Further, screw mounting hole A213 is waist-shaped hole.
As shown in figure 26, burner hearth A1 comprises main boiler tube A12, coal sample ash cone homogeneous heating in main boiler tube A12; Background pipe A11 and observation capture pipe A14, arrangement for perspective A2 aims at and observes capture pipe A14, so that video camera A3 makes a video recording, under the effect of background pipe A11, the test process that shooting coal sample ash is bored; For detecting the temperature tube A13 of temperature in main boiler tube A12, temperature measuring equipment detects temperature in main boiler tube A12 after stretching into temperature tube A13.Namely background pipe A11 and observation capture pipe A14 extends to the outside of main boiler tube A12, and temperature tube A13 stretches into main boiler tube A12 inside.Wherein, main boiler tube A12, background pipe A11, temperature tube A13 and observation capture pipe A14 are integral type structure.
By main boiler tube A12, background pipe A11, temperature tube A13 and observation capture pipe A14 are set to integral structure, and then ensure that the link, the link of main boiler tube A12 and temperature tube A13 and the main boiler tube A12 that comprise main boiler tube A12 and background pipe A11 and the sealing property of heated constant temperature district A15 of link of observing capture pipe A14, the gas avoided in burner hearth A1 is excessive, improves device safety in utilization.
In the present embodiment, main boiler tube A12, background pipe A11, temperature tube A13 and observation capture pipe A14 are the integral structure that sintering is formed.
Also by other means main boiler tube A12, background pipe A11, temperature tube A13 and observation capture pipe A14 can be set to integral structure.In another embodiment, main boiler tube A12, background pipe A11, temperature tube A13 and observation capture pipe A14 are the integral structure that welding is formed.Can also select other modes that main boiler tube A12, background pipe A11, temperature tube A13 and observation capture pipe A14 are set to integral structure, tire out no longer one by one at this and state.
In order to ensure the capture sharpness of observing capture pipe A14, the axis of background pipe A11 and observe the axis of capture pipe A14 and the axis perpendicular of main boiler tube A12; Background pipe A11 and observation capture pipe A14 is symmetricly set on the sidewall of main boiler tube A12.That is, background pipe A11 is with to observe capture pipe A14 coaxially arranged and perpendicular to the axis of main boiler tube A12.Also can by background pipe A11 with to observe capture pipe A14 coaxially arranged and be that acute angle is arranged with the axis of main boiler tube A12.
The damping force of damper assembly 42 is overcome and the rotary motion produced relative to bridge plate 44 when being raised to top to make ball screw nut 46, bridge plate 44 has the nut through hole be sheathed on outside ball screw nut 46, is provided with clutch shaft bearing 17 between ball screw nut 46 and nut through hole.
Further, the outside of ball screw nut 46 is arranged with and keeps axle sleeve 18, between the outer wall that clutch shaft bearing 17 is sheathed on maintenance axle sleeve 18 and the inwall of nut through hole.
The bottom surface of bridge plate 44 is provided with the bearing end cover 16 of the outer ring for locating clutch shaft bearing 17 and the maintenance cover plate 19 for the inner ring of locating clutch shaft bearing 17.
Wherein, damper assembly 44 can offset with maintenance cover plate 19, and by guaranteeing the damping action to ball screw nut 46 to ball screw nut 46 extruding maintenance cover plate 19.
Also can make damper assembly 44 directly and ball screw nut 46 offset.
Bearing end cover 16 is fixed on bridge plate 44 by the 7th screw 40.
As shown in Fig. 2, Fig. 4 and Figure 13, ball screw 39 passes movement fixed head 32 away from one end of combustion chamber 3 and is provided with follower gear 31; Motor 20 to be arranged on movement fixed head 32 and its output terminal through movement fixed head 32; The output terminal of motor 20 is provided with the driving gear 22 engaged with follower gear 31.
The motor through hole 323 that the output terminal that movement fixed head 32 is also provided with power supply machine 20 passes.By arranging motor through hole 323, the output terminal of motor 20 and ball screw 39 is made to be positioned at the same side of movement fixed head 32 away from one end of combustion chamber 3, so that follower gear 31 driving gear 22 is placed in the side of movement fixed head 32 away from bridge plate 44, facilitate the installation of motor 20.
Wherein, ball screw 39 is rotated by the second bearing 27 and is arranged in screw mandrel mount pad 25.Screw mandrel mount pad 25 is fixedly connected with by the 3rd screw 30 with movement fixed head 32.The top of screw mandrel mount pad 25 is provided with determines journey block 21, determines journey block 21 and is fixedly installed on screw mandrel mount pad 25 by the 6th screw 38.The end of axle 36 is fixed on movement fixed head 32 and flue sealing socket 7 by the second nut 24.
Shaft block ring 23 is provided with between the output terminal of motor 20 and driving gear 22.Flat key 28 is provided with between ball screw 39 and follower gear 31.Motor 20 is fixed on movement fixed head 32 by the 4th screw 33.
As shown in Figure 5, the sampling device B that the utility model embodiment provides also comprises and is arranged on movement fixed head 32, for controlling the microswitch 37 of the power-off of motor 20; The button of microswitch 37 to press direction consistent with ball screw nut 46 direction of motion.When ball screw nut 46 declines along ball screw 39, after ball screw nut 46 or bridge plate 44 contact with microswitch 37, control motor 20 power-off, avoid ball screw nut 46 or bridge plate 44 to contact rear motor 20 with movement fixed head 32 and continue to rotate and cause parts to damage.Preferably, the button of microswitch 37 aligns with ball screw nut 46, so that ball screw nut 46 directly presses the button of microswitch 37.Also can be arranged on drive disk assembly between button and ball screw nut 46, press drive disk assembly by ball screw nut 46, then make drive disk assembly button press.
Wherein, movement fixed head 32 is provided with switch bracket 35, microswitch 37 is fixedly installed on switch bracket 35 by the 5th screw 34.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (17)

1. a grey melting tester, comprise burner hearth assembly and sampling device, it is characterized in that, described sampling device comprises movement fixed head, rotate the ball screw be arranged on described movement fixed head, drive the motor that described ball screw rotates, the ball screw nut matched with described ball screw, the axle that one end is connected with described movement fixed head, slide the bridge plate be arranged in described axle, be fixedly installed on the mount pad on described bridge plate, be arranged at the upper cover of described mount pad away from the side of described bridge plate, rotate and be arranged at the combustion chamber of described upper cover away from the side of described bridge plate, be sheathed on the gear train on described ball screw and the baffle plate for stopping described gear train,
The axis of described axle and the axis being parallel of described ball screw, be provided with damper assembly between described bridge plate and described ball screw nut, described gear train is connected with described combustion chamber; Described baffle plate is arranged at described ball screw one end away from described motor, and described gear train is between described ball screw nut and described baffle plate;
Described sampling device is fixedly connected with the bottom of described burner hearth assembly, and the central shaft of described combustion chamber aligns with the central shaft of the burner hearth in described burner hearth assembly.
2. grey melting tester as claimed in claim 1, is characterized in that, also comprises the flue sealing socket of the bottom being arranged on described burner hearth assembly, it has the through hole passed for described combustion chamber;
Described axle is fixedly connected with described flue sealing socket away from one end of described movement fixed head;
Described upper cover is provided with the first O-ring seal towards the one side of described flue sealing socket.
3. grey melting tester as claimed in claim 1, is characterized in that, the inside of described mount pad has the internal tooth be axially evenly arranged along it;
Described gear train has the gear teeth be meshed with described internal tooth.
4. grey melting tester as claimed in claim 3, is characterized in that,
Also comprise combustion chamber holder, described combustion chamber is fixed on described combustion chamber holder;
Described gear train comprises planet carrier, planetary gear and centre wheel;
The side of described planet carrier is connected with described combustion chamber holder; Described planetary gear is arranged at the opposite side of described planet carrier and the planetary gear matched with the internal tooth of described mount pad;
Described centre wheel engages with described planetary gear, and described centre wheel to be sheathed on described ball screw and affixed with described ball screw nut, and between described baffle plate and described ball screw nut.
5. grey melting tester as claimed in claim 4, is characterized in that, is provided with the second O-ring seal between described combustion chamber holder and described upper cover.
6. grey melting tester as claimed in claim 4, is characterized in that, described combustion chamber is fixed on described combustion chamber holder by combustion chamber stationary installation;
Described combustion chamber stationary installation comprises: the combustion chamber lock ring being arranged at the upper end of described combustion chamber holder, and described combustion chamber lock ring and described combustion chamber holder are connected by screw; Be arranged at the combustion chamber jig between described combustion chamber lock ring and described combustion chamber holder, described combustion chamber jig is the annular jig be sheathed on outside described combustion chamber, the wall contacts of its inwall and described combustion chamber.
7. grey melting tester as claimed in claim 6, is characterized in that, described combustion chamber jig is metal jig, and described combustion chamber jig is provided with jig opening;
The inwall of described combustion chamber lock ring be lock ring taper surface and its larger diameter end towards described combustion chamber holder, the outside surface of described combustion chamber jig has first taper surface suitable with described lock ring taper surface;
And/or, the inwall of described combustion chamber holder near its upper end there is lower fixed seat taper surface and its larger diameter end towards described combustion chamber lock ring, the outside surface of described combustion chamber jig has second taper surface suitable with described lower fixed seat taper surface.
8. grey melting tester as claimed in claim 6, is characterized in that, described combustion chamber jig is flexible pad.
9. the grey melting tester as described in any one of claim 4-8, is characterized in that, is provided with the 3rd O-ring seal between described combustion chamber holder and described combustion chamber.
10. grey melting tester as claimed in claim 1, is characterized in that, described burner hearth assembly also comprises and is installed on arrangement for perspective on described burner hearth and video camera;
Described arrangement for perspective comprises: be installed on the support on burner hearth, described support is provided with the through hole alignd with the viewport on described burner hearth; Be arranged at the saturating anti-mirror on described support, the surface of contact that described anti-mirror contacts along described support with described burner hearth is obliquely installed, and the projection on the bracket of described anti-mirror covers described through hole;
Described video camera is corresponding with the saturating anti-mirror of described arrangement for perspective to be arranged.
11. grey melting testers as claimed in claim 10, is characterized in that, the angle a between described anti-mirror and the axis of described through hole is 30 ° ~ 60 °.
12. grey melting testers as claimed in claim 10, it is characterized in that described support having the sway brace of the axis arranged along described through hole, described anti-mirror is installed on described sway brace;
The quantity of described sway brace is two and is symmetricly set in the both sides of described through hole, and the arranged outside of described sway brace has heat radiator.
13. grey melting testers as claimed in claim 10, is characterized in that, described burner hearth comprises main boiler tube, background pipe, temperature tube and observes capture pipe, and described main boiler tube, described background pipe, described temperature tube and described observation capture pipe are integral type structure.
14. grey melting testers as claimed in claim 13, is characterized in that, the axis of described background pipe and the axis of described observation capture pipe and the axis perpendicular of described main boiler tube;
Described background pipe and described observation capture pipe are symmetricly set on the sidewall of described main boiler tube.
15. grey melting testers as claimed in claim 1, it is characterized in that, described bridge plate has the nut through hole be sheathed on outside described ball screw nut, is provided with clutch shaft bearing between described ball screw nut and described nut through hole.
16. grey melting testers as claimed in claim 1, is characterized in that, described ball screw passes described movement fixed head away from one end of described combustion chamber and is provided with follower gear;
Described motor to be arranged on described movement fixed head and its output terminal through described movement fixed head; The output terminal of described motor is provided with the driving gear engaged with described follower gear.
17. grey melting testers as claimed in claim 1, is characterized in that, also comprise and are arranged on described movement fixed head, for controlling the microswitch of the power-off of described motor;
The button of described microswitch to press direction consistent with described ball screw nut direction of motion.
CN201420644671.7U 2014-10-31 2014-10-31 Ash melting tester CN204228637U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106018667A (en) * 2016-06-29 2016-10-12 长沙开元仪器股份有限公司 Ash fusibility tester and image taking method thereof
CN106018668A (en) * 2016-06-29 2016-10-12 长沙开元仪器股份有限公司 Ash fusibility tester and image taking method thereof
CN106198606A (en) * 2016-06-29 2016-12-07 长沙开元仪器股份有限公司 A kind of ash fusion tester and view finding method thereof
CN106226344A (en) * 2016-07-26 2016-12-14 长沙开元仪器股份有限公司 A kind of high-temperature sample form tester and view finding method thereof
CN104374795B (en) * 2014-10-31 2019-08-02 长沙开元仪器有限公司 Ash melting tester

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104374795B (en) * 2014-10-31 2019-08-02 长沙开元仪器有限公司 Ash melting tester
CN106018667A (en) * 2016-06-29 2016-10-12 长沙开元仪器股份有限公司 Ash fusibility tester and image taking method thereof
CN106018668A (en) * 2016-06-29 2016-10-12 长沙开元仪器股份有限公司 Ash fusibility tester and image taking method thereof
CN106198606A (en) * 2016-06-29 2016-12-07 长沙开元仪器股份有限公司 A kind of ash fusion tester and view finding method thereof
CN106226344A (en) * 2016-07-26 2016-12-14 长沙开元仪器股份有限公司 A kind of high-temperature sample form tester and view finding method thereof
CN106226344B (en) * 2016-07-26 2018-07-06 长沙开元仪器股份有限公司 A kind of high-temperature sample form tester and its view finding method

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