CN210051682U

CN210051682U - Composite salt spray corrosion test box

Info

Publication number: CN210051682U
Application number: CN201920719394.4U
Authority: CN
Inventors: 邱祥春; 彭国真
Original assignee: Jiangsu Hanxiang Aeronautical Testing Technology Co Ltd
Current assignee: Jiangsu Hanxiang Aeronautical Testing Technology Co Ltd
Priority date: 2019-05-18
Filing date: 2019-05-18
Publication date: 2020-02-11
Anticipated expiration: 2029-05-18

Abstract

The utility model belongs to the technical field of material analysis equipment and specifically relates to a compound salt fog corrosion test case is related to, including salt fog room and equipment room, be equipped with the test panel anchor clamps in the salt fog room, salt fog roof portion is equipped with the transparent cover, is equipped with cylinder and motor, its characterized in that in the equipment room: the test board fixture is characterized in that a first rotating shaft and a second rotating shaft which are perpendicular to each other are further arranged in the salt spray chamber, the first rotating shaft and the second rotating shaft are in transmission connection through a pair of bevel gears, the motor is in drive connection with the second rotating shaft, the test board fixture is fixed to the top of the first rotating shaft, and a piston rod of the air cylinder extends into the salt spray chamber and is coaxially and movably connected with the first rotating shaft through a bearing. The utility model makes the test plate clamp liftable, and makes the test plate clamp ascend to be close to the transparent cover, thereby facilitating the clear observation of the test plate on the test plate clamp; through making the test panel anchor clamps rotatable, make the position of test panel anchor clamps constantly change, reduced the influence that salt fog concentration inequality is to a plurality of test panels receives the corruption degree in salt fog corrosion test case everywhere.

Description

Composite salt spray corrosion test box

Technical Field

The utility model belongs to the technical field of material analysis equipment and specifically relates to a compound salt fog corrosion test case is related to.

Background

At present, in order to test the corrosion resistance of a certain metal, salt spray tests need to be carried out on the metal, and the salt spray tests are divided into two types: one is natural environment exposure test, the other is artificial accelerated simulated salt spray environment test, and in order to shorten the test time, the second type is usually adopted, which needs a salt spray corrosion test box. The salt spray corrosion test box is an environmental test device for checking the corrosion resistance of products or metal materials by manually simulating the salt spray environmental conditions. Be used for fixing a position the anchor clamps of test panel in a lot of salt fog corrosion test case at present bulky, the test panel is inconvenient to be put into anchor clamps, and anchor clamps itself becomes bars groove column structure, and the test panel is neatly inserted in the bars groove, because the test panel is arranged neatly and interval between each other is less in the testing process, leads to the salt fog that produces in the experimentation unable and well contact with the test panel and lead to experimental effect not good fully.

The utility model discloses a grant notice number is CN 202693454U's utility model discloses a salt spray corrosion test case anchor clamps, including the bottom plate and the anchor clamps body of being connected with the bottom plate, the anchor clamps body becomes the pipe form, the one end of anchor clamps body and the intermediate position vertical welding of bottom plate are fixed, the bottom plate is whole circular, the centre of bottom plate is equipped with circular shape infiltration hole, it has the annular infiltration groove that three diameter is different to distribute around the infiltration hole, infiltration groove and infiltration hole distribute around the infiltration hole with one heart, infiltration hole and infiltration groove can prevent effectively that the corruption test solution from gathering on anchor clamps and test panel in the test process thereby guarantee the experimental effect, be equipped with the draw-in groove on the lateral wall of anchor clamps body, the even equidistant distribution of draw-in groove, the width and the test panel thickness of draw-in groove are unanimous, be convenient for the quick chucking location of inserting of test panel, the draw-in. In the salt spray test process, the corrosion test solution sprayed from the nozzle is sprayed into the salt spray box to act on the front surface of the test board, reacts with the test board, and along with continuous spraying of the corrosion test solution, redundant test solution can flow to the bottom plate along the inclination angle of the test board and then flows into the water tank through the bottom plate.

The invention patent with publication number CN107525761A discloses a salt spray corrosion test box, wherein an observation window is arranged on a transparent box cover, the sliding window is opened for observation, and the sliding window is closed quickly after the observation is finished, so that the problem that the experiment process cannot be accurately judged because the experiment is clearly observed under the action of salt spray in the experiment process is solved. Above-mentioned utility model patent exists equally and receives the salt fog influence and can't clearly observe the problem of test panel experimental state, in addition, still exists the uneven problem that leads to every test panel to receive the degree of corrosion difference of each salt fog concentration in the salt fog corrosion test incasement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a compound salt fog corrosion test case, it has the advantage that can clearly observe the test panel experimental state to can reduce the influence that salt fog concentration inequality is corroded the degree to a plurality of test panels in the salt fog corrosion test incasement.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a compound salt fog corrosion test case, includes salt fog room and equipment room, is equipped with the test panel anchor clamps in the salt fog room, and salt fog room top is equipped with transparent cover, is equipped with cylinder and motor in the equipment room, motor drive connects the second pivot, and the piston rod top of cylinder is connected with rotatable first pivot through the bearing, and the test panel anchor clamps are fixed in the top of first pivot, still are equipped with the third pivot in the salt fog room, and the both ends of third pivot are connected with first pivot, second pivot through bevel gear respectively.

By adopting the technical scheme, the test plate clamp is fixed at the top of the first rotating shaft, so that the test plate clamp can be close to the transparent cover by lifting the first rotating shaft by using the cylinder, and a test plate on the test plate clamp can be clearly observed; the motor drive second pivot is rotatory, and the second pivot drives first pivot and test panel anchor clamps rotation through the third pivot, and all test panel positions on the test panel anchor clamps are not fixed unchangeable, but constantly change, have consequently reduced the influence of each salt fog concentration inequality to a plurality of test panels receiving degree of corrosion in the salt fog corrosion test case.

Preferably, the equipment room is located in a salt spray room.

Through adopting above-mentioned technical scheme, can make whole proof box compact structure, reduce area.

Preferably, the outer wall of the equipment room is provided with a first round hole, a piston rod of the air cylinder penetrates through the first round hole, the piston rod of the air cylinder is sleeved with a corrugated pipe, one end of the corrugated pipe is fixed on the outer wall of the equipment room, and the other end of the corrugated pipe is fixed on the piston rod of the air cylinder.

Through adopting above-mentioned technical scheme, the bellows has waterproof and dustproof effect, can prevent that salt fog from getting into the equipment room from the fit clearance department of cylinder piston rod and first round hole.

Preferably, the outer wall of the equipment room is provided with a second round hole, a sealing bearing is fixed in the second round hole, and the second rotating shaft is fixed in an inner ring of the sealing bearing.

Through adopting above-mentioned technical scheme, sealed bearing can block that salt fog gets into the equipment room from the fit clearance of second pivot and second round hole.

Preferably, the test panel anchor clamps include an annular section of thick bamboo, are equipped with a plurality of circular slots on the lateral wall of an annular section of thick bamboo, and all cooperations are equipped with rotatable fourth pivot in every circular slot, and all fourth pivot vertical direction annular section of thick bamboo's axis, all vertical fixation have the clamping piece in every fourth pivot, and all clamping pieces are the same for the planar skew angle through fourth pivot axis and annular section of thick bamboo axis, and all clamping piece top protrusion in annular section of thick bamboo top have the gap between the adjacent two clamping pieces, and the test panel is inserted in this gap.

Through adopting above-mentioned technical scheme, through rotatory fourth pivot, the deflection angle of adjustable clamping piece (keep fourth pivot adjustment back motionless through the static friction of fourth pivot and circular slot inner wall) to the angle of gap between two adjacent clamping pieces of adjustment, can adjust the gesture of test panel on the test panel anchor clamps, the test panel test efficiency of different gestures is also different, and when the test panel windward area is big, salt fog is also big with test panel area of contact, and test speed is also fast.

Preferably, each fourth rotating shaft is vertically fixed with a connecting rod, the annular cylinder is sleeved with an annular plate, the annular plate is fixed with a plurality of double-lug seats, each double-lug seat is internally pivoted with one connecting rod, a pivoting shaft parallel to the fourth rotating shaft is arranged in each double-lug seat, and the pivoting shaft penetrates through the connecting rods.

Through adopting above-mentioned technical scheme, can once only adjust the angle of all clamping pieces in step through rotatory annular plate, keep the fourth pivot stationary after the adjustment through the stiction of fourth pivot and circular slot inner wall.

Preferably, the annular plate is provided with a through hole, a rope penetrates through the through hole, and the inner wall of the annular cylinder is provided with a pile column for winding the rope.

Through adopting above-mentioned technical scheme, utilize rope tensioning annular plate, can keep the fourth pivot stable motionless.

Preferably, two test plate clamps are arranged in the salt spray chamber, and the two test plate clamps are symmetrical about the spray tower.

Through adopting above-mentioned technical scheme, about two test panel anchor clamps of spray tower symmetry setting, the salt fog of the full utilization spray tower both sides to improve test efficiency.

To sum up, the utility model discloses a beneficial technological effect does:

1. the test plate fixture can be lifted to be close to the transparent cover by lifting the test plate fixture, so that the test plate on the test plate fixture can be conveniently and clearly observed;

2. through making the test panel anchor clamps rotatable, make the position of test panel anchor clamps constantly change, reduced the influence that salt fog concentration inequality is to a plurality of test panels receives the corruption degree in salt fog corrosion test case everywhere.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a composite salt-spray corrosion test chamber;

FIG. 2 is a schematic view of the transparent cover of FIG. 1 after being hidden;

FIG. 3 is a schematic view of the connection of the equipment room to the test panel holder;

FIG. 4 is a schematic structural view of an annular cartridge;

FIG. 5 is a schematic view of the structure of the test panel holder;

fig. 6 is an enlarged view of a portion a in fig. 5.

In the figure, 1, a salt spray chamber; 2. an equipment room; 2a, a first round hole; 2b, a second round hole; 3. a test plate clamp; 31. an annular cylinder; 31a, a circular groove; 31b, perforation; 32. a fourth rotating shaft; 33. a clip; 34. a connecting rod; 35. an annular plate; 36. a binaural seat; 37. a pivot shaft; 4. a transparent cover; 5. a cylinder; 6. a motor; 7. a first rotating shaft; 8. a second rotating shaft; 9. a bevel gear; 10. a bearing; 11. a bellows; 12. sealing the bearing; 13. pile columns; 14. a spray tower; 15. a third rotating shaft; 16. and a bearing seat.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): fig. 1 is the utility model discloses a compound salt fog corrosion test chamber, as shown in fig. 2, including salt fog room 1, be equipped with a spray tower 14, two test panel anchor clamps 3 and two equipment rooms 2 in the salt fog room 1, two test panel anchor clamps 3 set up about spray tower 14 symmetry, and 1 top in salt fog room is equipped with transparent lid 4 (see fig. 1).

As shown in fig. 3, a cylinder 5 and a motor 6 are fixed in each equipment room 2, a rotating shaft of the motor 6 is coaxially connected with a second rotating shaft 8, a first round hole 2a and a second round hole 2b are arranged on the outer wall of the equipment room 2, a piston rod of the cylinder 5 penetrates through the first round hole 2a, and the second rotating shaft 8 penetrates through the second round hole 2 b.

As shown in fig. 3, a bellows 11 is sleeved outside a piston rod of the cylinder 5, the bellows 11 is located outside the equipment room 2, one end of the bellows 11 is fixed on the outer wall of the equipment room 2, and the other end of the bellows 11 is fixed on the piston rod of the cylinder 5. A sealing bearing 12 is arranged in the second round hole 2b, the outer ring of the sealing bearing 12 is fixed in the second round hole 2b, and the second rotating shaft 8 is fixed in the inner ring of the sealing bearing 12.

As shown in fig. 3, a bearing 10 is disposed at the top of the piston rod of the cylinder 5, an outer ring of the bearing 10 is fixed at the top of the piston rod of the cylinder 5, a first rotating shaft 7 is fixedly connected in an inner ring of the bearing 10, and the first rotating shaft 7, the bearing 10 and the piston rod of the cylinder 5 are coaxial.

As shown in fig. 3, a bearing seat 16 is fixed on the top wall outside the equipment room 2, a third rotating shaft 15 is arranged in the bearing seat 16, the first rotating shaft 7 and the second rotating shaft 8 are both perpendicular to the third rotating shaft 15, the first rotating shaft 7 and the second rotating shaft 8 are both vertically arranged, and two ends of the third rotating shaft 15 are in transmission connection with the first rotating shaft 7 and the second rotating shaft 8 through bevel gears 9 respectively.

As shown in fig. 3, the test piece holder 3 is composed of an annular cylinder 31, an annular plate 35, and a plurality of rectangular clamping pieces 33.

As shown in fig. 2 and 3, the outer wall of the annular cylinder 31 is provided with a plurality of circular grooves 31a, and the circular grooves 31a are equidistantly arranged around the annular cylinder 31.

As shown in fig. 5, each circular groove 31a is provided with a rotatable fourth rotating shaft 32, all the fourth rotating shafts 32 are vertically directed to the central axis of the annular cylinder 31, and each fourth rotating shaft 32 is vertically fixed with a clamping piece 33. All the clips 33 are offset at the same angle with respect to a plane passing through the central axis of the fourth rotating shaft 32 and the central axis of the annular cylinder 31. The tops of all the clamping pieces 33 protrude out of the top of the annular cylinder 31, a gap is formed between every two adjacent clamping pieces 33, and the test board is inserted into the gap.

As shown in fig. 5, each fourth rotating shaft 32 is vertically connected with a connecting rod 34, the annular cylinder 31 is coaxially sleeved with an annular plate 35, a plurality of double-lug seats 36 are fixed on the lower surface of the annular plate 35, each double-lug seat 36 is pivotally connected with one connecting rod 34, a pivoting shaft 37 is arranged in each double-lug seat 36, the pivoting shaft 37 is parallel to the fourth rotating shaft 32, and the pivoting shaft 37 penetrates through the connecting rod 34.

As shown in fig. 4, the annular plate 35 is provided with more than one through hole 31b, the through hole 31b is used for threading, and the inner wall of the annular cylinder 31 is provided with the pile 13 for winding the rope.

The implementation principle of the embodiment is as follows:

through rotating the ring-shaped plate 35, can drive the connecting rod 34 rotatory, the connecting rod 34 drives fourth pivot 32 and the rotation of clamping piece 33 to the angle of disposable synchronous adjustment all clamping pieces 33 makes the test panel windward area who presss from both sides between clamping piece 33 grow, therefore salt fog and test panel area of contact grow, and experimental speed accelerates. After the adjustment is completed, the annular plate 35 is pulled by the rope, so that the annular plate 35 and the fourth rotating shaft 32 can be kept stable, and the posture of the clamping piece 33 can be kept.

Because the test plate clamp 3 is fixed on the top of the first rotating shaft 7, the first rotating shaft 7 is lifted by the air cylinder 5, so that the test plate clamp 3 is close to the transparent cover 4, and a test plate on the test plate clamp 3 can be clearly observed; the motor 6 drives the second rotating shaft 8 to rotate, the second rotating shaft 8 drives the first rotating shaft 7 and the test board fixture 3 to rotate through the third rotating shaft 15, and all test board positions on the test board fixture 3 are not fixed and change continuously, so that the influence of uneven salt spray concentration at each part in the salt spray corrosion test box on the corrosion degree of a plurality of test boards is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a compound salt fog corrosion test case, includes salt fog room (1) and equipment room (2), is equipped with test panel anchor clamps (3) in salt fog room (1), and salt fog room (1) top is equipped with transparent cover (4), is equipped with cylinder (5) and motor (6), its characterized in that in equipment room (2): the motor (6) is connected with a second rotating shaft (8) in a driving mode, the top of a piston rod of the air cylinder (5) is connected with a rotatable first rotating shaft (7) through a bearing (10), the test plate fixture (3) is fixed at the top of the first rotating shaft (7), a third rotating shaft (15) is further arranged in the salt fog chamber (1), and two ends of the third rotating shaft (15) are connected with the first rotating shaft (7) and the second rotating shaft (8) through bevel gears (9) respectively.

2. The composite salt spray corrosion test chamber of claim 1, wherein: the equipment chamber (2) is positioned in the salt spray chamber (1).

3. The composite salt spray corrosion test chamber of claim 1, wherein: be equipped with first round hole (2 a) on the outer wall of equipment room (2), in first round hole (2 a) was worn to the piston rod of cylinder (5), the piston rod overcoat of cylinder (5) had bellows (11), and on the one end of bellows (11) was fixed in equipment room (2) outer wall, the other end of bellows (11) was fixed in on the piston rod of cylinder (5).

4. The composite salt spray corrosion test chamber of claim 1, wherein: and a second round hole (2 b) is formed in the outer wall of the equipment chamber (2), a sealing bearing (12) is fixed in the second round hole (2 b), and a second rotating shaft (8) is fixed in an inner ring of the sealing bearing (12).

5. The composite salt spray corrosion test chamber of claim 1, wherein: the test panel anchor clamps (3) are including an annular section of thick bamboo (31), be equipped with a plurality of circular slots (31 a) on the lateral wall of an annular section of thick bamboo (31), all cooperate in every circular slot (31 a) and be equipped with rotatable fourth pivot (32), the axis of all fourth pivot (32) vertical direction annular section of thick bamboo (31), all vertical fixation have clamping piece (33) on every fourth pivot (32), all clamping pieces (33) are the same for the planar skew angle homogeneous phase through fourth pivot (32) axis and annular section of thick bamboo (31) axis, all clamping piece (33) top protrusion in annular section of thick bamboo (31) top, the gap has between two adjacent clamping pieces (33), the test panel is inserted in this gap.

6. The composite salt spray corrosion test chamber of claim 5, wherein: every fourth pivot (32) is gone up all vertical fixation and is had connecting rod (34), and annular section of thick bamboo (31) overcoat has annular plate (35), is fixed with a plurality of ears seats (36) on annular plate (35), all pin joint connecting rod (34) in every ear seat (36), is equipped with in ear seat (36) with fourth pivot (32) parallel pin joint axle (37), and pin joint axle (37) run through connecting rod (34).

7. The composite salt spray corrosion test chamber of claim 6, wherein: the annular plate (35) is provided with a through hole (31 b), a rope penetrates through the through hole (31 b), and the inner wall of the annular cylinder (31) is provided with a pile column (13) for winding the rope.

8. The composite salt spray corrosion test chamber of claim 1, wherein: two test plate clamps (3) are arranged in the salt spray chamber (1), and the two test plate clamps (3) are symmetrical about the spray tower (14).