CN114993775B

CN114993775B - Sampling frame convenient to adjust

Info

Publication number: CN114993775B
Application number: CN202210919699.6A
Authority: CN
Inventors: 董泽林; 王志垚; 刘芳名; 张丹; 闫柏霖; 张媛; 檀海兵
Original assignee: Aolai Guoxin Beijing Testing & Detection Technology Co ltd
Current assignee: Aolai Guoxin Beijing Testing & Detection Technology Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-02
Anticipated expiration: 2042-08-02
Also published as: CN114993775A

Abstract

The invention discloses a sampling frame convenient to adjust, which comprises a base, a floating adjusting mechanism, a supporting plate, an installing disc, an upper adjusting mechanism, a lower supporting rod, a sheath, a fixing port, a fixing screw rod, a middle supporting rod, an upper supporting rod and an upper clamping mechanism, wherein the fixing port is provided with the fixing screw rod, the upper supporting rod is arranged in the middle supporting rod, the top of the upper supporting rod is provided with the supporting plate, the supporting plate is provided with the upper adjusting mechanism, and the upper clamping mechanism is connected above the upper adjusting mechanism, so that the sampling frame has the advantages that: such device structure section of thick bamboo is single, and convenient to use can be according to the adjustment of the high freedom in sampling area, and collapsible shrink is convenient for store up and remove, simultaneously, can be to the sampling needs of different angles, and the angle of omnidirectional regulation sampling rifle makes its position of aiming at the sampling mouth, guarantees the accuracy of sampling, reduces the error, and conveniently presss from both sides tight work to the sampling rifle.

Description

Sampling frame convenient to adjust

Technical Field

The invention relates to the technical field of gas collection and detection equipment, in particular to a sampling frame convenient to adjust.

Background

In modern society, due to the use of a large amount of materials such as coal, fuel oil and the like, the air pollution condition of modern society is very serious, the air pollution can cause great influence on the growth and the life of human bodies, animals and plants, and extreme weather and climate such as acid rain, acid mist and the like can be caused.

Need gather gaseous sample before detecting, the sampling rifle is a instrument commonly used, when using the sampling rifle, measurement personnel need lift the sampling rifle with the hand for a long time and sample, the centre has the personal error inevitably, can influence the accuracy of testing result, and because personnel are close to the waste gas source for a long time, very easily cause the influence to measurement personnel's healthy, and the sampling head is not firm enough when placing moreover, holistic dismouting is difficult.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

In view of the problems in the related art, the present invention provides a sampling frame that is easy to adjust, so as to overcome the above technical problems in the related art.

The technical scheme of the invention is realized as follows:

the utility model provides a sampling frame convenient to adjust, includes base, unsteady adjustment mechanism, backup pad, mounting disc, goes up adjustment mechanism, lower support bar, sheath, fixed mouthful, clamping screw, well bracing piece, goes up the bracing piece, goes up clamping mechanism, pass through on the base the mounting disc is connected with the lower support bar, the externally mounted of lower support bar has the sheath, well bracing piece is installed in the lower support bar, well bracing piece with the upper end of lower support bar is provided with the fixed mouthful, install on the fixed mouthful fixing screw, go up the bracing piece and install in well bracing piece, the top of going up the bracing piece is installed the backup pad, install adjustment mechanism in the backup pad, it is connected with clamping mechanism to go up the adjustment mechanism top.

Further, the upper adjusting mechanism comprises a first bearing sleeve installed on the supporting plate, an inner ring of the first bearing sleeve is connected with a first rotating sleeve rod, an outer rotating sleeve rod is movably sleeved outside the first rotating sleeve rod, a second bearing sleeve is sleeved outside the outer rotating sleeve rod, L-shaped supports connected with the supporting plate are symmetrically arranged on outer rings of the second bearing sleeve rods, a first worm wheel is fixedly sleeved outside the first rotating sleeve rod, a second worm wheel is fixedly sleeved outside the outer rotating sleeve rod, a first motor and a second motor are respectively installed on the supporting plate, a first worm matched with the first worm wheel is arranged at the output end of the first motor, a second worm matched with the second worm wheel is arranged at the output end of the second motor, a U-shaped connecting plate is connected to the top of the outer rotating sleeve rod, the top of the inner rotating sleeve rod extends into the U-shaped connecting plate and is movably provided with the first bevel gear, rotating rods are movably arranged between the U-shaped connecting plates, a second bevel gear matched with the first bevel gear is installed on each rotating rod, a rotating block is fixedly arranged on each rotating rod, and a supporting rod is arranged at the top of each rotating block.

Further, go up clamping mechanism and include PMKD, PMKD with bracing piece fixed connection, the last four guide posts of installing of PMKD, the PMKD top is passed through guide post swing joint has the fly leaf, the top of guide post is equipped with presss from both sides tight mesa, the last hydraulic telescoping cylinder of installing of PMKD, the movable groove has been seted up to the symmetry on the tight mesa of clamp, it is located to press from both sides tight mesa bottom the bilateral symmetry in movable groove is equipped with the clamp splice, the activity is equipped with the dwang between the clamp splice, be equipped with the arc clamp splice on the dwang, the bottom of arc clamp splice pass through the loose axle with fly leaf swing joint, the top of arc clamp splice is equipped with the slope limiting plate.

Furthermore, the floating adjusting mechanism comprises three through holes formed in the base, threaded rods are movably arranged in the through holes in a penetrating mode, threaded sleeves are sleeved on the upper side and the lower side of the base and located on the threaded rods, a semicircular shell is movably connected to the bottom of each threaded rod through a rotating ball, and a supporting bottom plate is arranged at the bottom of each semicircular shell.

Furthermore, the middle support rod can freely move up and down in the lower support rod, and the upper support rod can freely move up and down in the middle support rod and is fixed through the fixing screw rod.

Furthermore, the slope limiting plate include with the fixed plate that the arc clamp splice is connected, one side of fixed plate is connected with the locating plate through the cushion, the constant head tank has been seted up on the locating plate.

The invention provides a sampling frame convenient to adjust, which has the following beneficial effects:

by enabling the middle supporting rod to freely move up and down in the lower supporting rod and the upper supporting rod to freely move up and down in the middle supporting rod and fixing the upper supporting rod and the lower supporting rod through the fixing screw rod, the whole height of the sampling frame can be freely adjusted according to the height of the sampling area, the sampling frame can be folded and contracted to be convenient for storage and movement, and the sampling frame can be used for sampling the sample in the sampling area, when the detection requirements of different angles are met, the worm wheel I can be driven by the motor I to rotate the worm rod I, thereby rotating the inner rotating sleeve rod, driving the bevel gear to rotate the bevel gear II, further adjusting the angle of the supporting rod by the rotating block, simultaneously starting the motor II to drive the worm II to rotate, thereby the second worm wheel drives the outer rotating loop bar to rotate under the action of the second bearing sleeve, so that the U-shaped connecting plate at the top of the outer rotating loop bar rotates, the whole U-shaped connecting plate rotates, the angle of the fixed bottom plate can be adjusted in all directions by matching with the angle rotation of the supporting rod, when the sampling gun is installed, the sampling gun is firstly placed on the clamping table surface and positioned between the two arc-shaped clamping blocks, at the moment, the movable plate descends under the action of the guide post through the retraction of the hydraulic telescopic cylinder, thereby leading the movable shaft to drive the arc-shaped clamping blocks to clamp inwards under the action of the rotating rod, further clamping the sampling gun positioned between the arc-shaped clamping blocks, having simple structure and convenient use, can be freely adjusted according to the height of a sampling area, can be folded and contracted to be convenient for storage and movement, meanwhile, the angle of the sampling gun can be adjusted in an all-round mode according to sampling requirements of different angles, the sampling gun can be aligned to the position of the sampling port, sampling accuracy is guaranteed, errors are reduced, and the sampling gun can be conveniently clamped.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a sample holder that facilitates adjustment according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an upper adjustment mechanism in a sampling rack for facilitating adjustment according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the construction of an upper clamping mechanism in a sampling rack that facilitates adjustment according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a floating adjustment mechanism in a sampling rack for facilitating adjustment according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an inclined limiting plate in a sampling frame convenient to adjust according to an embodiment of the invention.

In the figure:

1. a base; 2. a floating adjustment mechanism; 3. a support plate; 4. installing a disc; 5. an adjustment mechanism; 6. a lower support bar; 7. a sheath; 8. a fixed port; 9. fixing the screw rod; 10. a middle support rod; 11. an upper support rod; 12. an upper clamping mechanism; 13. a first bearing sleeve; 14. rotating the sleeve rod; 15. a second bearing sleeve; 16. an L-shaped bracket; 17. a first worm wheel; 18. a second worm gear; 19. a second motor; 20. a first motor; 21. a second worm; 22. a first worm; 23. the loop bar is rotated outwards; 24. a U-shaped connecting plate; 25. a first bevel gear; 26. a rotating rod; 27. a second bevel gear; 28. rotating the block; 29. a support bar; 30. fixing a bottom plate; 31. a guide post; 32. a movable plate; 33. clamping the table top; 34. a hydraulic telescopic cylinder; 35. a movable groove; 36. a clamping block; 37. rotating the rod; 38. an arc-shaped clamping block; 39. a movable shaft; 40. inclining the limiting plate; 41. a through hole; 42. a threaded rod; 43. a threaded sleeve; 44. rotating the ball; 45. a semicircular housing; 46. a support base plate; 47. a fixing plate; 48. an elastic pad; 49. positioning a plate; 50. and (7) positioning a groove.

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 that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

The invention is further described with reference to the following drawings and detailed description:

the first embodiment is as follows:

referring to fig. 1-5, the sampling frame convenient to adjust according to the embodiment of the present invention includes a base 1, a floating adjustment mechanism 2, a support plate 3, a mounting disc 4, an upper adjustment mechanism 5, a lower support rod 6, a sheath 7, a fixing port 8, a fixing screw 9, a middle support rod 10, an upper support rod 11, and an upper clamping mechanism 12, wherein the lower support rod 6 is connected to the base 1 through the mounting disc 4, the sheath 7 is installed outside the lower support rod 6, the middle support rod 10 is installed in the lower support rod 6, the fixing port 8 is provided at the upper end of the middle support rod 10 and the upper end of the lower support rod 6, the fixing screw 9 is installed on the fixing port 8, the upper support rod 11 is installed in the middle support rod 10, the support plate 3 is installed at the top of the upper support rod 11, the upper adjustment mechanism 5 is installed on the support plate 3, and the upper clamping mechanism 12 is connected above the upper adjustment mechanism 5.

Through the scheme of the invention, the lower support rod 6 is connected on the base 1 through the mounting disc 4, the sheath 7 is arranged outside the lower support rod 6, the middle support rod 10 is arranged in the lower support rod 6, the upper ends of the middle support rod 10 and the lower support rod 6 are provided with the fixing openings 8, the fixing openings 8 are provided with the fixing screws 9, the upper support rod 11 is arranged in the middle support rod 10, the top of the upper support rod 11 is provided with the support plate 3, the support plate 3 is provided with the upper adjusting mechanism 5, the upper part of the upper adjusting mechanism 5 is connected with the upper clamping mechanism 12, the middle support rod 10 can move up and down freely in the lower support rod 6, the upper support rod 11 can move up and down freely in the middle support rod 10 and can be fixed through the fixing screws 9, when the sampling frame is used for detecting different angles, the motor I20 can drive the worm gear I17 to rotate the worm gear I22, so that the inner rotating loop bar 14 rotates, the bevel gear I25 drives the bevel gear II 27 to rotate, so that the rotating block 28 adjusts the angle of the supporting rod 29, meanwhile, the motor II 19 can be started to drive the worm gear II 21 to rotate, so that the worm gear II 18 drives the outer rotating loop bar 23 to rotate under the action of the bearing sleeve II 15, so that the U-shaped connecting plate 24 at the top of the outer rotating loop bar 23 rotates, the whole U-shaped connecting plate 24 rotates, the angle of the fixed bottom plate 30 can be adjusted in all directions by matching with the angle rotation of the supporting rod 29, and when the sampling gun is installed, at first place the collection rifle on pressing from both sides tight mesa 33, and be located between two arc clamp blocks 38, at this moment, through the back of contracting of hydraulic telescoping cylinder 34, make fly leaf 32 descend under the effect of guide post 31, thereby make loose axle 39 drive arc clamp block 38 inwards press from both sides tightly under the effect of dwang 37, thereby carry out clamping work to the sampling rifle that is located between arc clamp block 38, such device structure is simple, high freedom's adjustment can be according to the sampling area, collapsible shrink is convenient for receive and store up and remove, and simultaneously, can be to the sampling needs of different angles, the angle of omnidirectional regulation sampling rifle, make its position of aiming at the sampling mouth, guarantee the accuracy of sampling, reduce the error, and the convenience presss from both sides clamping work to the sampling rifle.

Example two:

as shown in fig. 2, the upper adjusting mechanism 5 includes a first bearing sleeve 13 installed on the support plate 3, an inner ring of the first bearing sleeve 13 is connected with a first inner rotating sleeve 14, an outer rotating sleeve 23 is movably sleeved outside the first inner rotating sleeve 14, a second bearing sleeve 15 is sleeved outside the outer rotating sleeve 23, L-shaped brackets 16 connected with the support plate 3 are symmetrically arranged on outer rings of the second bearing sleeve 15, a first worm wheel 17 is fixedly sleeved outside the first inner rotating sleeve 14, a second worm wheel 18 is fixedly sleeved outside the outer rotating sleeve 23, a first motor 20 and a second motor 19 are respectively installed on the support plate 3, a first worm 22 matched with the first worm wheel 17 is installed at an output end of the first motor 20, a second worm 21 matched with the second worm wheel 18 is installed at an output end of the second motor 19, a U-shaped connecting plate 24 is connected to a top of the outer rotating sleeve 23, the top of the inner rotating sleeve rod 14 extends into the U-shaped connecting plate 24 and is movably provided with a first bevel gear 25, a rotating rod 26 is movably arranged between the U-shaped connecting plates 24, a second bevel gear 27 matched with the first bevel gear 25 is installed on the rotating rod 26, a rotating block 28 is fixedly arranged on the rotating rod 26, a supporting rod 29 is arranged at the top of the rotating block 28, and under the action of an upper adjusting mechanism 5, when the detection requirements of different angles are met, the first motor 20 can drive the first worm gear 17 to rotate the first worm 22, so that the inner rotating sleeve rod 14 rotates, the first bevel gear 25 drives the second bevel gear 27 to rotate, the rotating block 28 adjusts the angle of the supporting rod 29, meanwhile, the second motor 19 can be started to drive the second worm 21 to rotate, so that the second worm gear 18 drives the outer rotating sleeve rod 23 to rotate under the action of the second bearing sleeve 15, thereby rotating the U-shaped connecting plate 24 at the top of the outer rotating loop bar 23, rotating the whole U-shaped connecting plate 24, and matching with the angular rotation of the supporting bar 29, the angle of the fixed bottom plate 30 can be adjusted in all directions;

example three:

as shown in fig. 3, the upper clamping mechanism 12 includes a fixed base plate 30, the fixed base plate 30 is fixedly connected to the support rod 29, four guide posts 31 are installed on the fixed base plate 30, a movable plate 32 is movably connected to the upper side of the fixed base plate 30 through the guide posts 31, a clamping table 33 is installed at the top of each guide post 31, a hydraulic telescopic cylinder 34 is installed on the fixed base plate 30, movable grooves 35 are symmetrically formed in the clamping table 33, clamping blocks 36 are symmetrically arranged at the bottom of the clamping table 33 and located on two sides of each movable groove 35, a rotating rod 37 is movably arranged between the clamping blocks 36, an arc-shaped clamping block 38 is arranged on the rotating rod 37, the bottom end of the arc-shaped clamping block 38 is movably connected to the movable plate 32 through a movable shaft 39, an inclined limiting plate 40 is arranged at the top of the arc-shaped clamping block 38, when a sampling gun is installed, the sampling gun is firstly placed on the clamping table 33 and located between the two inclined limiting plates 40, and then the sampling gun is lowered under the action of the inclined limiting plate 37 by retraction of the hydraulic telescopic cylinder 34, so that the inclined limiting plate 40 is positioned in the clamping plate 40;

example four:

as shown in fig. 4, the floating adjustment mechanism 2 includes three through holes 41 located on the base 1, a threaded rod 42 is movably inserted into the through hole 41, threaded sleeves 43 are sleeved on the threaded rod 42 at the upper and lower sides of the base 1, the bottom of the threaded rod 42 is movably connected with a semicircular shell 45 through a rotating ball 44, a support bottom plate 46 is arranged at the bottom of the semicircular shell 45, and under the action of the floating adjustment mechanism 2, when the ground is uneven, the threaded rod 42 can be lowered by a corresponding height according to the inclined angle of the bottom, and then the support bottom plate 46 is adapted to the ground with different inclinations by utilizing the movable connection of the rotating ball 44 and the semicircular shell 45;

example five:

as shown in fig. 5, the slope limiting plate 40 include with the fixed plate 47 that arc clamp splice 38 is connected, one side of fixed plate 47 is connected with locating plate 49 through cushion 48, locating groove 50 has been seted up on locating plate 49, and through the effect of slope limiting plate 40, when pressing from both sides tightly, can make locating groove 50 press from both sides tightly the sampling gun, and the effect of cooperation cushion 48 makes it have certain elasticity, increases its tight effect of clamp.

For the convenience of understanding the technical solutions of the present invention, the working principle or the operation mode of the present invention in the practical process will be described in detail below.

In practical application, the middle support rod 10 can freely move up and down in the lower support rod 6, the upper support rod 11 can freely move up and down in the middle support rod 10 and both can be fixed through the fixing screw 9, so that the whole height of the sampling frame can be freely adjusted according to the height of a sampling area, the sampling frame can be folded and contracted for convenient storage and movement, under the action of the upper adjusting mechanism 5, when different angles are adopted and detected, the worm wheel I17 can be driven by the motor I20 to rotate the worm rod I22, so that the inner rotating sleeve rod 14 rotates, the bevel gear I25 drives the bevel gear II 27 to rotate, so that the rotating block 28 adjusts the angle of the support rod 29, meanwhile, the motor II 19 can be started to drive the worm wheel II 21 to rotate, so that the worm wheel II 18 drives the outer rotating sleeve rod 23 to rotate under the action of the bearing sleeve II 15, thereby the U-shaped connecting plate 24 at the top of the outer rotating loop bar 23 rotates, the whole U-shaped connecting plate 24 rotates, the angle of the fixed bottom plate 30 can be adjusted in all directions by matching with the angle rotation of the supporting bar 29, when the sampling gun is installed, the sampling gun is firstly placed on the clamping table surface 33 and is positioned between the two arc-shaped clamping blocks 38, at the moment, the movable plate 32 descends under the action of the guide column 31 by retracting the hydraulic telescopic cylinder 34, so that the movable shaft 39 drives the arc-shaped clamping blocks 38 to clamp inwards under the action of the rotating bar 37, thereby clamping the sampling gun positioned between the arc-shaped clamping blocks 38, the structure of the device is simple, the use is convenient, the device can be freely adjusted according to the height of a sampling area, the device can be folded and contracted for convenient storage and movement, and simultaneously, the angle of the sampling gun can be adjusted in all directions according to the sampling requirements of different angles, the sampling gun can be aligned to the position of the sampling port, the sampling accuracy is guaranteed, the error is reduced, and the sampling gun can be conveniently clamped.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A sampling frame convenient to adjust comprises a base (1), a floating adjusting mechanism (2), a supporting plate (3), a mounting disc (4), an upper adjusting mechanism (5), a lower supporting rod (6), a sheath (7), a fixing port (8), a fixing screw (9), a middle supporting rod (10), an upper supporting rod (11) and an upper clamping mechanism (12), and is characterized in that the lower supporting rod (6) is connected to the base (1) through the mounting disc (4), the sheath (7) is installed outside the lower supporting rod (6), the middle supporting rod (10) is installed in the lower supporting rod (6), the fixing port (8) is arranged at the upper ends of the middle supporting rod (10) and the lower supporting rod (6), the fixing screw (9) is installed on the fixing port (8), the upper supporting rod (11) is installed in the middle supporting rod (10), the supporting plate (3) is installed at the top of the upper supporting rod (11), the upper adjusting mechanism (5) is installed on the supporting plate (3), and the upper clamping mechanism (12) is connected above the upper adjusting mechanism (5);

the upper adjusting mechanism (5) comprises a first bearing sleeve (13) arranged on the supporting plate (3), the inner ring of the first bearing sleeve (13) is connected with a second inner rotating sleeve rod (14), the first inner rotating sleeve rod (14) is movably sleeved with a first outer rotating sleeve rod (23), the second outer rotating sleeve rod (23) is sleeved with a second bearing sleeve rod (15), the outer ring of the second bearing sleeve rod (15) is symmetrically provided with an L-shaped support (16) connected with the supporting plate (3), the first inner rotating sleeve rod (14) is fixedly sleeved with a first worm wheel (17), the second outer rotating sleeve rod (23) is fixedly sleeved with a second worm wheel (18), the supporting plate (3) is respectively provided with a first motor (20) and a second motor (19), the output end of the first motor (20) is provided with a first worm (22) matched with the first worm wheel (17), the output end of the second motor (19) is provided with a second worm wheel (21) matched with the second worm wheel (18), the top of the first outer rotating sleeve rod (23) is connected with a U-shaped connecting plate (24), the movable connecting plate (25) extends to the bevel gear (26), a rotating block (28) is fixedly arranged on the rotating rod (26), and a supporting rod (29) is arranged at the top of the rotating block (28); go up clamping mechanism (12) including PMKD (30), PMKD (30) with bracing piece (29) fixed connection, install four guide post (31) on PMKD (30), PMKD (30) top is passed through guide post (31) swing joint has fly leaf (32), the top of guide post (31) is equipped with presss from both sides tight mesa (33), install hydraulic stretching cylinder (34) on PMKD (30), movable slot (35) have been seted up to the symmetry on pressing from both sides tight mesa (33), press from both sides tight mesa (33) bottom and be located the bilateral symmetry in movable slot (35) is equipped with clamp splice (36), the activity is equipped with dwang (37) between clamp splice (36), be equipped with arc clamp splice (38) on dwang (37), the bottom of arc clamp splice (38) pass through loose axle (39) with fly leaf (32) swing joint, the top of arc clamp splice (38) is equipped with slope limiting plate (40).

2. The sampling frame convenient to adjust according to claim 1, characterized in that the floating adjusting mechanism (2) comprises three through holes (41) on the base (1), a threaded rod (42) is movably arranged in each through hole (41) in a penetrating manner, threaded sleeves (43) are sleeved on the threaded rods (42) on the upper and lower sides of the base (1), the bottom of each threaded rod (42) is movably connected with a semicircular shell (45) through a rotating ball (44), and a supporting bottom plate (46) is arranged at the bottom of each semicircular shell (45).

3. An adjustable sampling stand according to claim 2, characterized in that the middle support rod (10) can move freely up and down in the lower support rod (6), and the upper support rod (11) can move freely up and down in the middle support rod (10) and are both fixed by the fixing screw (9).

4. The sampling frame convenient to adjust according to claim 3, characterized in that the inclined limiting plate (40) comprises a fixing plate (47) connected with the arc-shaped clamping block (38), one side of the fixing plate (47) is connected with a positioning plate (49) through an elastic pad (48), and the positioning plate (49) is provided with a positioning groove (50).