CN213933268U

CN213933268U - Sampling device for air pollution prevention and control

Info

Publication number: CN213933268U
Application number: CN202022311575.9U
Authority: CN
Inventors: 赵杰; 王晓星; 杨媛; 顾文辉; 毛永常; 郑路
Original assignee: Shaanxi Haili Environmental Monitoring Co ltd
Current assignee: Shaanxi Haili Environmental Monitoring Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-08-10
Anticipated expiration: 2030-10-16

Abstract

The utility model relates to the technical field of environmental protection, in particular to sampling device for air pollution prevention and cure, including sampling equipment and the adjustable supporting mechanism that is used for lifting the sampling equipment and supports, adjustable supporting mechanism includes lifting positioning mechanism and extension supporting mechanism, lifting positioning mechanism includes bracket and the layer board of locating on the bracket, be equipped with two-way adjustable positioning mechanism on the bracket, two-way adjustable positioning mechanism includes two-way straight line adjusting part and symmetry and installs the compressing tightly subassembly at the drive end of two-way straight line adjusting part in opposite directions, two-way straight line adjusting part is installed in the bracket, sampling equipment location is two between the compressing tightly subassembly; the extension supporting mechanism includes synchronous lift adjustment subassembly and a plurality of adjustable supporting component who is annular equipartition in the bracket below, the utility model discloses simple structure can carry out nimble adjustment, is convenient for carry out nimble location to the sampling equipment of different models, expandes and accomodates comparatively conveniently, is convenient for transport and carry.

Description

Sampling device for air pollution prevention and control

Technical Field

The utility model relates to an environmental protection technology field, in particular to sampling device is used in air pollution prevention and cure.

Background

With the concern of people on the quality of the atmospheric environment, monitoring the pollutant components in the air by using atmospheric sampling equipment becomes an indispensable component of environmental management work, the atmospheric sampler is used as a work measuring instrument of a national compulsory verification catalogue and is a common instrument for monitoring the atmospheric environment by an environmental monitoring department, and with the application of the atmospheric sampler in the practical process, when monitoring the pollutant concentration in the gas, a plurality of data are generally measured, and the average value of the data is used as the final data of measurement.

The flexibility and the commonality are lower relatively when current sampling device uses, and in addition when transporting, shared space is great, is not portable.

Disclosure of Invention

An object of the utility model is to provide a sampling device is used in air pollution prevention and cure to prior art not enough.

In order to solve the above problem, the utility model provides a following technical scheme:

a sampling device for preventing and controlling air pollution comprises sampling equipment and an adjustable supporting mechanism for lifting and supporting the sampling equipment, wherein the adjustable supporting mechanism comprises,

the sampling device comprises a bracket and a lifting positioning mechanism, wherein the lifting positioning mechanism comprises a bracket and a supporting plate arranged on the bracket, the bracket is of a cavity structure, a bidirectional adjustable positioning mechanism is arranged on the bracket, the bidirectional adjustable positioning mechanism comprises a bidirectional linear adjusting component and pressing components which are symmetrical and oppositely arranged at the driving end of the bidirectional linear adjusting component, the bidirectional linear adjusting component is arranged in the bracket, an adjusting through groove is arranged on the end surface of the supporting plate, the pressing components are positioned above the supporting plate and are arranged at the driving end of the bidirectional linear adjusting component through brackets, the brackets penetrate through the adjusting through groove, and the sampling device is positioned between the two pressing components;

the stretching and supporting mechanism comprises a synchronous lifting adjusting component and a plurality of adjustable supporting components which are annularly and uniformly distributed below the bracket, the synchronous lifting adjusting components are vertically arranged at the lower end of the bracket, each adjustable supporting component comprises a hinged support, a first supporting rod, a second supporting rod, a leveling component and a rolling supporting component thereof, the hinged support is arranged at the lower end of the bracket, the upper end of the first support rod is hinged with the hinged support, a strip-shaped limiting chute is arranged on the end surface of the first supporting rod, a limiting component is arranged on the outer wall of the first supporting rod and close to the lower end of the first supporting rod, the second support rod is in sliding fit with the strip-shaped limiting sliding groove, the rolling support component is arranged at the end part of the second support rod through a leveling component, one end of the supporting rod is hinged with the middle section of the supporting rod I, and the other end of the supporting rod is hinged with the lifting end of the synchronous lifting adjusting component.

Preferably, the two-way linear adjusting assembly comprises a central large bevel gear and linear adjusting assemblies symmetrically distributed about the central large bevel gear, the central large bevel gear is mounted at the central position of the bracket through a supporting rotating shaft, each linear adjusting assembly comprises a lead screw, a sliding seat, a small bevel gear and a rotating hand wheel, the lead screw is horizontally and rotatably mounted in the bracket, the end part of the lead screw penetrates through the side wall of the bracket and extends to the outer side of the bracket, the rotating hand wheel is mounted at the end part of the lead screw, the small bevel gear is mounted at the other end of the lead screw and is meshed with the central large bevel gear, the two lead screws are coaxially distributed, the sliding seat is mounted on the lead screw and is in sliding fit with the bracket, and the compressing assembly is connected with the sliding seat through a bracket.

Preferably, each compressing assembly comprises a pressing plate and an elastic assembly thereof, the pressing plate is vertically arranged on the side of the upper end of the bracket through the elastic assembly, and a rubber pad is arranged on the front surface of the pressing plate.

Preferably, synchronous lift adjustment subassembly comprises threaded rod and rotation lift seat, rotate the lift seat and include the inner ring and be located the outside outer loop of inner ring, and cooperate through the bearing between inner ring and the outer loop, the inner ring with threaded rod screw-thread fit, and the position that is close to both ends on the outer wall of inner ring all is equipped with the friction line of being convenient for to rotate the inner ring, the tip of vaulting pole with the outer wall of outer loop is articulated.

Preferably, the limiting assembly comprises a limiting pin, a resetting assembly and a pulling plate, a limiting hole corresponding to the limiting pin is formed in the side wall of the second supporting rod, the limiting pin is arranged on the inner side of the pulling plate and penetrates through a through hole formed in the side wall of the first supporting rod, the resetting assembly is sleeved on the limiting pin, one end of the resetting assembly is connected with the outer wall of the first supporting rod, the other end of the resetting assembly is connected with the end face of the pulling plate, and a handle is further arranged on the outer wall of the pulling plate.

Preferably, the leveling subassembly comprises double-screw bolt, thread bush, support column and rolling bearing, the double-screw bolt sets up the tip of bracing piece two, the thread bush with double-screw bolt screw-thread fit, the support column sets up the lower extreme of thread bush, rolling bearing's inner circle with support column interference fit, rolling bearing installs the upper end of rolling supporting component.

Preferably, the rolling support assembly is composed of a U-shaped seat and a roller rotatably mounted in the U-shaped seat, and the rotating bearing is mounted on the upper end face of the U-shaped seat.

Has the advantages that: when the utility model is used, the adjustable supporting mechanism is unfolded and placed on the ground, then the sampling equipment is positioned at the upper end of the adjustable supporting mechanism, the sampling equipment is utilized to sample and monitor pollutants in the air, and after the operation is completed, the sampling equipment is taken down and the adjustable supporting mechanism is folded, so that the occupied space of the utility model is reduced, and the adjustable supporting mechanism is convenient to transport and carry;

in the using process, firstly, pulling the handle to enable the end part of the limit pin and the outer wall of the support rod II to be in a non-contact state, enabling the support rod II to slide along the strip-shaped limit sliding groove on the support rod I, loosening the handle after a limit hole on the support rod II corresponds to the limit pin, enabling the limit pin to reset under the action of the reset component and extend into the limit hole, thereby completing the expansion of the support rod II, manually rotating the inner ring after the expansion to enable the inner ring to descend along the surface of the threaded rod, driving the outer ring to move downwards in the vertical direction when the inner ring descends, utilizing the support rod to support the support rod I outwards, enabling the roller to be in rolling contact with the ground, thereby expanding the adjustable support mechanism, after the expansion, because the ground possibly has an uneven condition, in order to ensure the levelness of the support plate, adjusting is carried out through the leveling component, so that the support plate is in a horizontal condition, the stability of the sampling equipment during operation is improved;

in the utility model, the longitudinal height of the bracket can be adjusted by adjusting the moving distance of the outer ring in the vertical direction so as to adjust the included angle between the first support rod and the bracket, so that the longitudinal height of the utility model can be adjusted according to the sampling requirement, and the flexibility of the utility model is improved;

when fixing a position sampling equipment, because two can adjust when compressing tightly the region between the subassembly, consequently can fix a position the sampling equipment of different models, further improved the utility model discloses flexibility when using, in addition, the back of clamp plate sets up elastic component, when playing the location stability, can not play the damage to sampling equipment because pressure is too big, when playing stable location, still play certain guard action.

The utility model discloses simple structure can carry out nimble adjustment, is convenient for carry out nimble location to the sampling equipment of different models, expandes and accomodates comparatively conveniently, is convenient for transport and carry.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a schematic view of the bracket;

fig. 3 is a schematic structural view of a bottom view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is an enlarged view at B in FIG. 3;

FIG. 6 is a partial schematic view of a synchronous lift adjustment assembly;

FIG. 7 is a schematic view of a leveling assembly and a roller support assembly;

description of reference numerals: 1-supporting plate, 2-adjusting through groove, 3-sampling device, 4-bracket, 5-supporting rotating shaft, 6-central large bevel gear, 7-small bevel gear, 8-lead screw, 9-rotating hand wheel, 10-sliding seat, 11-bracket, 12-elastic component, 13-pressing plate, 14-rubber pad, 15-threaded rod, 16-inner ring, 17-outer ring, 18-hinged seat, 19-supporting rod I, 20-bar-shaped limiting sliding groove, 21-supporting rod II, 22-U-shaped seat, 23-roller, 24-limiting component, 241-pulling plate, 242-limiting pin, 243-resetting component, 25-supporting rod, 26-stud, 27-threaded sleeve and 28-supporting column.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the drawings and the accompanying examples:

referring to fig. 1 to 7, a sampling device for air pollution control includes a sampling device 3 and an adjustable supporting mechanism for supporting the sampling device 3, the adjustable supporting mechanism includes,

the lifting positioning mechanism comprises a bracket 4 and a supporting plate 1 arranged on the bracket 4, the bracket 4 is of a cavity structure, a bidirectional adjustable positioning mechanism is arranged on the bracket 4, the bidirectional adjustable positioning mechanism comprises a bidirectional linear adjusting component and pressing components which are symmetrically arranged at the driving end of the bidirectional linear adjusting component in opposite directions, the bidirectional linear adjusting component is arranged in the bracket 4, an adjusting through groove 2 is arranged on the end surface of the supporting plate 1, the pressing components are positioned above the supporting plate 1 and are arranged at the driving end of the bidirectional linear adjusting component through a bracket 11, the bracket 11 penetrates through the adjusting through groove 2, and the sampling device 3 is positioned between the two pressing components;

extend supporting mechanism, extend supporting mechanism includes synchronous lift adjustment subassembly and a plurality of adjustable supporting component that are annular equipartition in bracket 4 below, synchronous lift adjustment subassembly is vertical to be installed the lower extreme of bracket 4, every adjustable supporting component all includes free bearing 18, bracing piece 19, two 21 of bracing piece, vaulting pole 25, leveling subassembly and roll supporting component, free bearing 18 sets up the lower extreme of bracket 4, the upper end of bracing piece 19 with the free bearing 18 articulates, just be equipped with bar spacing spout 20 on the terminal surface of bracing piece 19, and be close to the position of lower extreme on the outer wall of bracing piece 19 and be equipped with spacing subassembly 24, bracing piece two 21 with the spacing spout 20 sliding fit of bar, roll supporting component through the leveling subassembly install the tip of bracing piece two 21, vaulting pole 25 one end is articulated with the middle section of bracing piece 19 one, the other end is hinged with the lifting end of the synchronous lifting adjusting component.

In the embodiment, the bidirectional linear adjusting assembly is composed of a central large bevel gear 6 and linear adjusting assemblies symmetrically distributed on the central large bevel gear 6, the central large bevel gear 6 is installed at the central position of the bracket 4 through a supporting rotating shaft 5, each linear adjusting assembly is composed of a screw rod 8, a sliding seat 10, a small bevel gear 7 and a rotating hand wheel 9 thereof, the lead screw 8 is horizontally and rotatably arranged in the bracket 4, the end part of the lead screw 8 penetrates through the side wall of the bracket 4, and extends to the outer side of the bracket 4, a rotating hand wheel 9 is arranged at the end part of a lead screw 8, a small bevel gear 7 is arranged at the other end of the lead screw 8, and is meshed with the central large bevel gear 6, two lead screws 8 are coaxially distributed, the sliding seat 10 is arranged on the lead screws 8, and is in sliding engagement with the bracket 4, the hold-down assembly being connected to the carriage 10 by a bracket 11.

In the present embodiment, each of the pressing assemblies includes a pressing plate 13 and an elastic assembly 12 thereof, the pressing plate 13 is vertically installed on the side of the upper end of the bracket 11 through the elastic assembly 12, and a rubber pad 14 is disposed on the front surface of the pressing plate 13.

In this embodiment, the synchronous lifting adjusting assembly is composed of a threaded rod 15 and a rotary lifting seat thereof, the rotary lifting seat includes an inner ring 16 and an outer ring 17 located outside the inner ring 16, the inner ring 16 and the outer ring 17 are matched through a bearing, the inner ring 16 is in threaded fit with the threaded rod 15, friction grains convenient for rotating the inner ring 16 are arranged on the outer wall of the inner ring 16 near the two end portions, and the end portion of the support rod 25 is hinged to the outer wall of the outer ring 17.

In this embodiment, the limiting component 24 includes a limiting pin 243, a resetting component 243 and a pulling plate 241, a limiting hole corresponding to the limiting pin 243 is formed in the side wall of the second support rod 21, the limiting pin 243 is disposed on the inner side of the pulling plate 241, the limiting pin 243 penetrates through a through hole formed in the side wall of the first support rod 19, the resetting component 243 is sleeved on the limiting pin 243, one end of the resetting component 243 is connected with the outer wall of the first support rod 19, the other end of the resetting component 243 is connected with the end surface of the pulling plate 241, and a handle is further disposed on the outer wall of the pulling plate 241.

In this embodiment, the leveling subassembly comprises double-screw bolt 26, thread bush 27, support column 28 and rolling bearing, double-screw bolt 26 sets up the tip of two 21 bracing pieces, thread bush 27 with double-screw bolt 26 screw-thread fit, support column 28 sets up the lower extreme of thread bush 27, rolling bearing's inner circle with support column 28 interference fit, rolling bearing installs rolling support assembly's upper end.

In this embodiment, the rolling support assembly is composed of a U-shaped seat 22 and a roller 23 rotatably installed in the U-shaped seat 22, and the rotating bearing is installed on the upper end surface of the U-shaped seat 22.

When the utility model is used, the adjustable supporting mechanism is unfolded and placed on the ground, then the sampling device 3 is positioned at the upper end of the adjustable supporting mechanism, the sampling device 3 is utilized to sample and monitor pollutants in the air, and after the operation is completed, the sampling device 3 is taken down and the adjustable supporting mechanism is folded, so that the occupied space of the utility model is reduced, and the adjustable supporting mechanism is convenient to transport and carry;

in the using process, firstly, the handle is pulled to enable the end part of the limit pin 242 to be in a non-contact state with the outer wall of the support rod two 21, the support rod two 21 slides along the strip-shaped limit sliding groove 20 on the support rod one 19, after the limit hole on the support rod two 21 corresponds to the limit pin 242, the handle is loosened, the limit pin 242 is reset under the action of the reset component 243 and extends into the limit hole, so that the support rod two 21 is unfolded, after the support rod two 21 is unfolded, the inner ring 16 is manually rotated to enable the inner ring 16 to descend along the surface of the threaded rod 15, the inner ring 16 drives the outer ring 17 to move downwards in the vertical direction when descending, the support rod one 19 is outwards moved by the support rod 25, the roller 23 is in rolling contact with the ground, so that the adjustable support mechanism is unfolded, after the unfolding, due to the possible uneven spreading condition of the ground, in order to ensure the levelness of the supporting plate 1, the leveling component is adjusted, the supporting plate 1 is in a horizontal state, so that the stability of the sampling equipment during operation is improved;

in the utility model, the longitudinal height of the bracket 4 can be adjusted by adjusting the moving distance of the outer ring 17 in the vertical direction, so as to adjust the included angle between the first support rod 19 and the bracket 4, so as to adjust the longitudinal height of the utility model according to the sampling requirement, thereby improving the flexibility of the utility model;

when fixing a position sampling equipment 3, because two can adjust when compressing tightly the region between the subassembly, consequently can fix a position the sampling equipment of different models, further improved the utility model discloses flexibility when using, in addition, the back of clamp plate 13 sets up elastic component 12, when playing the location stability, can not play because of pressure too big causes the damage to sampling equipment 3, when playing stable positioning, still plays certain guard action.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a sampling device is used in air pollution prevention and cure, includes sampling equipment (3) and is used for lifting the adjustable supporting mechanism who supports sampling equipment (3), its characterized in that: the adjustable supporting mechanism comprises a supporting rod and a supporting rod,

the lifting positioning mechanism comprises a bracket (4) and a supporting plate (1) arranged on the bracket (4), the bracket (4) is of a cavity structure, a bidirectional adjustable positioning mechanism is arranged on the bracket (4), the bidirectional adjustable positioning mechanism comprises a bidirectional linear adjusting component and pressing components which are symmetrical and oppositely arranged at the driving end of the bidirectional linear adjusting component, the bidirectional linear adjusting component is arranged in the bracket (4), an adjusting through groove (2) is arranged on the end surface of the supporting plate (1), the pressing components are positioned above the supporting plate (1) and are arranged at the driving end of the bidirectional linear adjusting component through a bracket (11), the bracket (11) penetrates through the adjusting through groove (2), and the sampling equipment (3) is positioned between the two pressing components;

extend supporting mechanism, extend supporting mechanism includes synchronous lift adjustment subassembly and a plurality of adjustable supporting component that are the annular equipartition in bracket (4) below, synchronous lift adjustment subassembly is vertical to be installed the lower extreme of bracket (4), every adjustable supporting component all includes free bearing (18), bracing piece (19), bracing piece two (21), vaulting pole (25), leveling subassembly and roll supporting component, free bearing (18) set up the lower extreme of bracket (4), the upper end of bracing piece one (19) with free bearing (18) are articulated, and be equipped with bar spacing spout (20) on the terminal surface of bracing piece one (19), and be close to the position of lower extreme on the outer wall of bracing piece one (19) and be equipped with spacing subassembly (24), bracing piece two (21) with bar spacing spout (20) sliding fit, roll supporting component pass through the leveling subassembly and install the tip of bracing piece two (21), one end of the supporting rod (25) is hinged with the middle section of the supporting rod I (19), and the other end of the supporting rod is hinged with the lifting end of the synchronous lifting adjusting component.

2. The sampling device for air pollution control according to claim 1, wherein: the bidirectional linear adjusting assembly is composed of a central large bevel gear (6) and linear adjusting assemblies symmetrically distributed on the central large bevel gear (6), the central large bevel gear (6) is installed at the central position of a bracket (4) through a supporting rotating shaft (5), each linear adjusting assembly consists of a lead screw (8), a sliding seat (10), a small bevel gear (7) and a rotating hand wheel (9), the lead screw (8) is horizontally rotated and installed in the bracket (4), the end part of the lead screw (8) penetrates through the side wall of the bracket (4) and extends to the outer side of the bracket (4), the rotating hand wheel (9) is installed at the end part of the lead screw (8), the small bevel gear (7) is installed at the other end of the lead screw (8) and is meshed with the central large bevel gear (6), the lead screws (8) are coaxially distributed, the sliding seat (10) is installed on the lead screw (8), and is in sliding fit with the bracket (4), and the pressing component is connected with the sliding seat (10) through a bracket (11).

3. The sampling device for air pollution control according to claim 2, wherein: each pressing assembly comprises a pressing plate (13) and an elastic assembly (12) of the pressing plate, the pressing plate (13) is vertically installed on the lateral side of the upper end of the bracket (11) through the elastic assembly (12), and a rubber pad (14) is arranged on the front side of the pressing plate (13).

4. The sampling device for air pollution control according to claim 1, wherein: synchronous lift adjustment subassembly comprises threaded rod (15) and rotation lift seat, rotate lift seat and include inner ring (16) and outer ring (17) that are located inner ring (16) outside, and cooperate through the bearing between inner ring (16) and outer ring (17), inner ring (16) with threaded rod (15) screw-thread fit, and the position that is close to both ends on the outer wall of inner ring (16) all is equipped with the friction line of being convenient for rotate inner ring (16), the tip of vaulting pole (25) with the outer wall of outer ring (17) is articulated.

5. The sampling device for air pollution control according to claim 1, wherein: the limiting assembly (24) comprises a limiting pin (242), a resetting assembly (243) and a pulling plate (241), a limiting hole corresponding to the limiting pin (242) is formed in the side wall of the second supporting rod (21), the limiting pin (242) is arranged on the inner side of the pulling plate (241), the limiting pin (242) penetrates through a through hole formed in the side wall of the first supporting rod (19), the resetting assembly (243) is sleeved on the limiting pin (242), one end of the resetting assembly (243) is connected with the outer wall of the first supporting rod (19), the other end of the resetting assembly is connected with the end face of the pulling plate (241), and a handle is further arranged on the outer wall of the pulling plate (241).

6. The sampling device for air pollution control according to claim 1, wherein: the leveling subassembly comprises double-screw bolt (26), thread bush (27), support column (28) and rolling bearing, double-screw bolt (26) set up the tip of bracing piece two (21), thread bush (27) with double-screw bolt (26) screw-thread fit, support column (28) set up the lower extreme of thread bush (27), rolling bearing's inner circle with support column (28) interference fit, rolling bearing installs rolling support component's upper end.

7. The sampling device for air pollution control according to claim 6, wherein: the rolling support assembly is composed of a U-shaped seat (22) and a roller (23) rotatably installed in the U-shaped seat (22), and the rotating bearing is installed on the upper end face of the U-shaped seat (22).