CN212180380U

CN212180380U - Smoke and dust sampling tube strutting arrangement

Info

Publication number: CN212180380U
Application number: CN202020960675.1U
Authority: CN
Inventors: 熊菊香; 岳琦凯; 朱登高; 彭发雷; 杨君武; 陈维军; 吴敏
Original assignee: Yichang Dingshun Detection Co ltd
Current assignee: Yichang Dingshun Detection Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-18
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a smoke and dust sampling tube strutting arrangement, includes telescopic machanism, still includes: the supporting seat, the supporting seat includes casing, first drive division and pars contractilis, telescopic machanism one end stretches into in the casing and rotates with the casing bottom and link to each other, first drive division one end rotates with shells inner wall and links to each other, and the other end stretches out the casing and is formed with a turning block, the pars contractilis has two, two the pars contractilis slides and sets up in the casing to two pars contractilis power input end links to each other with the power take off end of first drive division, and the operation turning block can make first drive division drive two pars contractilis and is in the motion of leaving mutually with the supporting seat card at the flue inner wall, and rotate through the first drive division of one-way locking mechanism restriction on installing casing upper portion, make the pars contractilis unable automatic to withdraw, also can make two pars contractilis in the motion of moving.

Description

Smoke and dust sampling tube strutting arrangement

Technical Field

The utility model relates to an environmental monitoring instrument field, concretely relates to smoke and dust sampling tube strutting arrangement.

Background

At present, in the process of sampling a fixed pollution source by using a smoke/gas sampling tube, a mode of directly supporting the smoke/gas sampling tube by a person is generally adopted for sampling, but the mode has extremely high labor intensity for the personnel who sample, and the accident of scalding is possible.

The patent with publication number CN200920022490.X provides a height-adjustable type smoke dust/gas sampling tube supporting device, and the technical scheme is that the device comprises a chassis, a supporting tube and a bracket, wherein the bracket comprises a supporting rod and a supporting part, the supporting rod is inserted in the supporting tube, the height of the supporting rod can be adjusted, and a locking device for fixing the position of the supporting rod is arranged on the supporting tube. The height of activity die-pin can freely be adjusted and fixed through the locking handle, transfers during the use to the height that collects the smoke and dust needs to fix, can stretch into the flue and sample in placing the smoke and dust sampling tube in the bracket, and it is fixed to the minimum to use the end to transfer, conveniently carries and deposits.

The utility model discloses a although solved the problem that the smoke and dust sampling tube needs the people to support in the sampling process, but if the smoke and dust position of the sample that awaits measuring is higher than the maximum height that its die-pin can reach, this utility model can't lift the smoke and dust sampling tube to the flue position and take a sample, then still need the people to support or use the support that has a take a height to support the smoke and dust sampling tube again and take a sample after raising strutting arrangement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses according to the highly limited problem that current smoke and dust sampling tube strutting arrangement can support and reach, the utility model discloses a following technical scheme:

the utility model provides a smoke and dust sampling tube strutting arrangement, includes the telescopic machanism who is used for supporting the smoke and dust sampling tube, still includes: the supporting seat comprises a shell, a first driving part and two telescopic parts, one end of the telescopic mechanism extends into the shell and is rotationally connected with the bottom of the shell, the power input end of the first driving part is rotationally connected with the inner wall of the shell, a rotating block is formed at one end of the first driving part extending out of the shell, the two telescopic parts are oppositely arranged and slidably arranged inside and outside the shell, and the power input ends of the two telescopic parts are connected with the power output end of the first driving part;

the rotating block is operated, and the two telescopic parts move towards or away from each other through the first driving part, so that the two telescopic parts are arranged in or out of the shell; and the state of the two telescopic parts after adjustment is fixed by the matching of the first driving part and a one-way locking mechanism arranged at the upper part of the shell.

Compared with the prior art, the utility model discloses following beneficial effect has: when in use, if the height of the sample to be detected is lower, the supporting seat can be placed on the ground to support the smoke dust sampling tube for sampling; if the height of the sample is higher, the first driving part on the supporting seat is operated to enable the two telescopic parts to move away from each other, the tensioning ends of the two telescopic parts penetrate through the shell, the supporting seat is clamped in a flue of smoke dust to be sampled, the state of the regulated telescopic parts is fixed through the cooperation of the one-way locking mechanism and the first driving part, and the two telescopic parts cannot be automatically retracted into the shell, so that the supporting seat is firmly clamped in the flue of the smoke dust to be sampled, and the stability in the sampling process is improved; and the sampling device is suitable for sampling work at different heights, is simple and convenient to operate, simultaneously liberates manpower and reduces the working strength of personnel.

Preferably, the first driving part comprises a rotating shaft, one end of the rotating shaft is rotatably connected to the inner wall of the shell, the other end of the rotating shaft extends out of the shell to be connected with the rotating block, a gear is arranged in the middle of the rotating shaft, the gear is connected with power input ends of the two telescopic parts, and the gear is matched with the one-way locking mechanism to control the rotating state of the gear.

Preferably, each telescopic part comprises an extrusion block, the extrusion blocks are connected in the shell in a sliding mode, one side, close to the gear, of each extrusion block is connected with a rack, the rack is meshed with the gear, and the racks connected with the extrusion blocks of the two telescopic parts are located on different sides of the gear.

Preferably, one-way locking mechanism includes first ratchet and rather than the first pawl of complex, and first ratchet links to each other with the gear is coaxial, and first pawl cooperation has its pivoted locking piece of control, the locking piece is including drawing bolt, fixed frame and spring, wherein fixed frame fixed mounting is equipped with in the fixed frame on the inner wall on casing upper portion the spring, draw the bolt to pass fixed frame and spring and link to each other with first pawl, draw to tie and go up the symmetry and install two baffles to two baffles slide and locate and be used for compression spring in the fixed frame.

Preferably, the telescopic mechanism comprises a second driving part and an executing part, the second driving part is positioned in the shell, a power input end of the second driving part is rotatably connected with the bottom of the shell, the power input end extends out of the shell to form a rotating handle, the upper part of the second driving part is connected with an outer sleeve penetrating inside and outside the shell, the executing part penetrates inside and outside the outer sleeve, and a power input end of the executing part is connected with the outer sleeve through a sliding connection mechanism; the operation is rotated the handle and is driven the second drive division and drive the outer sleeve and rotate and make the execution portion telescopic motion in the outer sleeve through sliding connection mechanism, and fix the state after the execution portion adjusts through locating the one-way limiting mechanism of casing side and the cooperation of second drive division.

Preferably, the second driving part comprises a second ratchet wheel, the second ratchet wheel is located in the shell and is pivoted to the bottom of the shell, the rotating handle extends into the shell and is connected with one end face of the second ratchet wheel, and the other end face of the second ratchet wheel is fixedly connected with the outer sleeve.

Preferably, the execution part comprises a support rod penetrating through the outer sleeve and an elastic telescopic rod arranged outside the outer sleeve, one end of the support rod extending out of the outer sleeve is connected with a support frame, the support rod is connected with the end part of the support frame and one end of the elastic telescopic rod, the other end of the elastic telescopic rod is fixedly connected with the outer wall of the upper part of the shell, the sliding connection mechanism comprises a spiral channel arranged on the outer wall of the outer sleeve along the axial direction of the outer sleeve and a sliding rod fixed on the side wall of the support rod, and the sliding rod is connected in the spiral channel in.

Preferably, an inclined hole is formed in one side of the shell, the one-way limiting mechanism comprises a second pawl, the second pawl penetrates through the inclined hole and is arranged inside and outside the shell, a pull ring is connected to one end, located outside the shell, of the second pawl, one end, located inside the shell, of the second pawl extends into a tooth groove of a second ratchet wheel, the middle of the second pawl is hinged to the inner wall of one side of the inclined hole, and the second pawl is elastically connected with the inner wall of the other side of the inclined hole through a spring.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a front view of an embodiment of the present invention.

3 fig. 3 2 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3

Fig. 3 is a top view of an embodiment of the present invention.

Fig. 4 is a sectional view taken in the direction B-B in fig. 3.

Fig. 5 is a sectional view of i in fig. 4.

Fig. 6 is a bottom view of an embodiment of the present invention.

The numbers in the figures are in order: 1. a telescoping mechanism; 11. an outer sleeve; 111. a spiral channel; 12. a support bar; 121. a support frame; 122. a slide bar; 123. an elastic telescopic rod; 13. a second ratchet wheel; 14. a second pawl; 15. an inclined hole; 16. A second spring; 2. a supporting seat; 21. a housing; 22. a rotating shaft; 23. extruding the block; 24. a locking mechanism; 241. pulling the bolt; 242. a fixing frame; 243. a first spring; 244. a baffle plate; 245. a first pawl; 25. a first ratchet wheel; 26. a rack; 27. a gear.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

as shown in fig. 1, fig. 3 and fig. 4, an embodiment of the present invention provides a smoke and dust sampling tube supporting device, which includes a telescopic mechanism 1 for supporting a smoke and dust sampling tube, and further includes: the supporting seat 2 comprises a shell 21, a first driving part and two telescopic parts, one end of the telescopic mechanism 1 extends into the shell 21 and is rotationally connected with the bottom of the shell 21, the power input end of the first driving part is rotationally connected with the inner wall of the shell 21, a rotating block is formed at one end of the first driving part extending out of the shell 21, the two telescopic parts are oppositely arranged and slidably arranged inside and outside the shell 21, and the power input ends of the two telescopic parts are connected with the power output end of the first driving part;

the rotating block is operated, and the two telescopic parts move towards or away from each other through the first driving part, so that the two telescopic parts are arranged in or out of the shell 21; and the state after the two telescopic parts are adjusted is fixed by the matching of the first driving part and the one-way locking mechanism 24 arranged at the upper part of the shell 21, the supporting seat 2 can be clamped on the inner wall of the flue when the two telescopic parts are arranged outside the shell 21, and the two telescopic parts can not automatically retract into the shell 21 and fall out of the flue.

As shown in fig. 1, fig. 3 and fig. 4, according to another embodiment of the present invention, the supporting device for smoke and dust sampling tube is further optimized for the first driving portion and the telescopic portion included in the supporting seat 2, preferably, the first driving portion includes a rotation shaft 22, one end of the rotation shaft 22 is rotatably connected to the inner wall of the housing 21, the other end of the rotation shaft extends out of the housing 21 to be connected to the rotation block, a gear 27 is disposed in the middle of the rotation shaft 22, the gear 27 is connected to the power input ends of the two telescopic portions, and the gear 27 controls the rotation state of the two telescopic portions by cooperating with the one-way locking mechanism 24, so as to control the motion states of the two telescopic portions and fix the adjusted state.

Preferably, each telescopic part comprises an extrusion block 23, the extrusion blocks 23 are slidably connected in the shell 21, one side of each extrusion block 23 close to the gear 27 is connected with a rack 26, the rack 26 is meshed with the gear 27, the racks 26 connected with the extrusion blocks 23 of the two telescopic parts are positioned on different sides of the gear 27, and the gear 27 can rotate to drive the two extrusion blocks 23 to move oppositely to support the support base 2 on the inner wall of the flue or drive the two extrusion blocks 23 to move away to remove the support base 2 through the two racks 26; simultaneously, the surfaces of the two extrusion blocks 23 are adhered with an anti-skid layer, when the two extrusion blocks 23 are in extrusion contact with the inner wall of the flue, the friction force between the extrusion blocks 23 and the inner wall of the flue can be increased, and the supporting seat 2 is clamped in the flue more firmly.

As shown in fig. 5, preferably, according to another embodiment of the present invention, the smoke sampling tube supporting device is further optimized for the one-way locking mechanism 24 included therein, and preferably, the one-way locking mechanism 24 includes a first ratchet wheel 25 and a first pawl 245 engaged therewith, the first ratchet wheel 25 is coaxially connected to the gear 27, the first pawl 245 is engaged with a locking member for controlling the rotation thereof, the locking member includes a pulling bolt 241, a fixing frame 242 and a first spring 243, wherein the fixing frame 242 is fixedly installed on the inner wall of the upper portion of the housing 21, the fixing frame 242 is provided with the first spring 243 therein, the pulling bolt 241 is connected to the first pawl 245 through the fixing frame 242 and the first spring 243, the pulling bolt 241 is radially and symmetrically fixedly connected with two baffles 244, and the two baffles 244 are slidably provided in the fixing frame 242, so that when the pulling bolt 241 is not operated, the first spring 243 can push the baffle 244 by elastic force to make the first pawl always be located in the tooth space of the first ratchet wheel 25, when the first ratchet wheel 25 is required to rotate freely, the pull bolt 241 is pulled to enable the two baffles 244 to compress the first spring 243, the first pawl 245 is disengaged from the tooth groove of the first ratchet wheel 25, and the first ratchet wheel 25 can rotate freely; when the pull bolt 241 is released, the first spring 243 pushes the two stoppers 244 to make the first pawl 245 re-extend into the tooth slot of the first ratchet wheel 25, thereby limiting the rotation of the first ratchet wheel 25.

As shown in fig. 1, 3 and 4, according to another embodiment of the present invention, the smoke sampling pipe supporting device, further optimizing the telescopic mechanism 1 contained therein, preferably, the telescopic mechanism 1 comprises a second driving part and an executing part, the second driving part is positioned in the shell 21 and the power input end of the second driving part is rotatably connected with the bottom of the shell 21, the power input end of the second driving part extends out of the shell 21 to form a rotating handle, the upper part of the second driving part is connected with an outer sleeve 11 which is arranged inside and outside the shell 21 in a penetrating way, the executing part penetrates through the inner side and the outer side of the outer sleeve 11, the power input end of the executing part is connected with the outer sleeve 11 through a sliding connection mechanism, the rotating handle is operated to drive the second driving part to drive the outer sleeve 11 to rotate, the executing part extends and retracts in the outer sleeve 11 through the sliding connection mechanism, and the extending and retracting length of the executing part can be adjusted at will; and the state after the adjustment of the execution part is fixed by the cooperation of the one-way limiting mechanism arranged on the side surface of the shell 21 and the second driving part, so that the execution part is prevented from freely moving during sampling, and the sampling result is not accurate.

As shown in fig. 2, 4 and 6, according to another embodiment of the present invention, the smoke sampling tube supporting device is further optimized for the second driving portion and the executing portion included in the telescoping mechanism 1, preferably, the second driving portion includes a second ratchet wheel 13, the second ratchet wheel 13 is located in the housing 21 and pivotally connected to the bottom of the housing 21, the rotating handle extends into the housing 21 and is connected to one end face of the second ratchet wheel 13, the other end face of the second ratchet wheel 13 is fixedly connected to the outer sleeve 11, and the rotating handle is operated to drive the second ratchet wheel 13 and the outer sleeve 11 to rotate simultaneously.

Preferably, the executing part comprises a supporting rod 12 penetrating through the outer sleeve 11 and the inner and outer sleeves and an elastic telescopic rod 123 arranged outside the outer sleeve 11, one end of the supporting rod 12 extending out of the outer sleeve 11 is connected with a supporting frame 121, the end of the supporting rod 12, the supporting frame 121 and one end of the elastic telescopic rod 123 are fixedly connected, the other end of the elastic telescopic rod 123 is fixedly connected with the outer wall of the upper part of the shell 21, and when the outer sleeve 11 rotates, the elastic telescopic rod 123 fixedly connected with the upper part of the shell 21 and the end of the supporting rod 12 and the supporting frame 121 ensures that the supporting rod 12 can only do telescopic motion in the outer sleeve 11 and cannot rotate together with the; the sliding connection mechanism comprises a spiral channel 111 formed in the outer wall of the outer sleeve 11 along the axial direction of the outer sleeve and a sliding rod 122 fixed on the side wall of the support rod 12, the sliding rod 122 is connected in the spiral channel 111 in a sliding manner, the outer sleeve 11 rotates to enable the sliding rod 122 to move in the spiral channel 111, the support rod 12 is driven to extend out of the outer sleeve 11, the support frame 121 can lift the smoke dust sampling tube to any position to be tested, the support rod 12 can be retracted into the outer sleeve 11, and sampling work is completed.

As shown in fig. 2, according to another embodiment of the present invention, the smoke sampling tube supporting device is further optimized for the limiting mechanism included therein, preferably, an inclined hole 15 is formed on one side of the housing 21, the one-way limiting mechanism includes a second pawl 14, the second pawl 14 passes through the inclined hole 15 and is disposed inside and outside the housing 21, a pull ring is connected to an end of the second pawl 14 outside the housing 21, an end of the second pawl 14 inside the housing 21 extends into a tooth space of the second ratchet 13, a middle portion of the second pawl 14 is hinged to an inner wall of one side of the inclined hole 15, the second pawl 14 is elastically connected to an inner wall of the other side of the inclined hole 15 through a second spring 16, the spring force pushes the pawl to make the pawl extend into the tooth space of the second ratchet 13 to limit the second ratchet 13 to rotate so as to fix the adjusted state of the supporting rod 12, so that the supporting rod 12 cannot be automatically retracted into the outer sleeve 11, the sampling accuracy is ensured; pulling the pull ring to drive the pawl to rotate so that the pawl is disengaged from the tooth groove of the second ratchet wheel 13, so that the second ratchet wheel 13 can rotate freely, and simultaneously the support rod 12 can be retracted into the outer sleeve 11 to complete the sampling work.

The utility model discloses an application principle does: the utility model discloses during the use, place supporting seat 2 in the flue mouth first, the operation turning block drives axis of rotation 22 and rotates, make gear 27 on the axis of rotation 22 rotate, drive rack 26 and move, make two extrusion pieces 23 deviate from the motion and support supporting seat 2 in the flue inner wall, then the operation bottom rotates the handle, make second ratchet 13 rotate, and drive the outer sleeve 11 that links to each other with second ratchet 13 and rotate, make bracing piece 12 that sliding connection is in the outer sleeve 11 slide support the smoke and dust sampling tube to the smoke and dust position department that awaits measuring, after the sample, the operation turning block is put extrusion piece 23 into casing 21, it can to operate bottom rotation handle simultaneously and put bracing piece 12 into outer sleeve 11; the utility model discloses also applicable to the lower sample of sample position, the sampling position that highly makes the smoke and dust sampling tube be located the flue of adjustment bracing piece 12, with supporting seat 2 arrange in ground can, can furthest reduce the influence of sample height to sample work.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a smoke and dust sampling tube strutting arrangement, is including telescopic machanism (1) that is used for supporting the smoke and dust sampling tube, its characterized in that still includes: the supporting seat (2) comprises a shell (21), a first driving part and two telescopic parts, one end of the telescopic mechanism (1) extends into the shell (21) and is rotationally connected with the bottom of the shell (21), the power input end of the first driving part is rotationally connected with the inner wall of the shell (21), a rotating block is formed at one end of the first driving part, which extends out of the shell (21), the two telescopic parts are oppositely arranged and slidably arranged inside and outside the shell (21), and the power input ends of the two telescopic parts are connected with the power output end of the first driving part;

the rotating block is operated, and the two telescopic parts move towards or away from each other through the first driving part, so that the two telescopic parts are arranged in or out of the shell (21); and the state of the two telescopic parts after adjustment is fixed by the matching of the first driving part and a one-way locking mechanism (24) arranged at the upper part of the shell (21).

2. The smoke and dust sampling pipe supporting device according to claim 1, wherein said first driving part comprises a rotating shaft (22), one end of said rotating shaft (22) is rotatably connected to the inner wall of the housing (21), the other end of said rotating shaft extends out of the housing (21) and is connected with the rotating block, a gear (27) is arranged in the middle of the rotating shaft (22), said gear (27) is connected with the power input ends of the two telescopic parts, and the gear (27) is matched with the one-way locking mechanism (24) to control the rotating state of the gear.

3. A smoke sampler tube support as claimed in claim 2 wherein each said telescopic section comprises a stripper block (23), said stripper blocks (23) being slidably connected within the housing (21), a rack (26) being attached to each stripper block (23) adjacent the gear (27), the rack (26) engaging the gear (27) and the racks (26) attached to the stripper blocks (23) of both telescopic sections being located on different sides of the gear (27).

4. A smoke and dust sampling tube support device according to claim 2, wherein the one-way locking mechanism (24) comprises a first ratchet wheel (25) and a first pawl (245) matched with the first ratchet wheel, the first ratchet wheel (25) is coaxially connected with the gear (27), the first pawl (245) is matched with a locking piece for controlling the rotation of the first pawl, the locking piece comprises a pulling bolt (241), a fixed frame (242) and a first spring (243), wherein the fixed frame (242) is fixedly arranged on the inner wall of the upper part of the shell (21), the fixed frame (242) is internally provided with the first spring (243), the pulling bolt (241) passes through the fixed frame (242) and the first spring (243) and then is connected with the first pawl (245), two baffles (244) are symmetrically arranged on the pulling bolt (241), and two baffles (244) are slidably disposed in the fixed frame (242) for compressing the first spring (243).

5. The smoke and dust sampling tube supporting device as claimed in claim 1, wherein the telescopic mechanism (1) comprises a second driving part and an executing part, the second driving part is located in the housing (21) and a power input end of the second driving part is rotatably connected with the bottom of the housing (21), the power input end extends out of the housing (21) to form a rotating handle, the upper part of the second driving part is connected with an outer sleeve (11) penetrating inside and outside the housing (21), the executing part is penetrating inside and outside the outer sleeve (11), and the power input end of the executing part is connected with the outer sleeve (11) through a sliding connection mechanism; the operation is rotated the handle and is driven the second drive division and drive outer sleeve (11) and rotate and make the execution portion move in the telescopic motion of outer sleeve (11) through sliding connection mechanism, and fix the state after the execution portion adjusts through locating the one-way limiting mechanism of casing (21) side and the cooperation of second drive division.

6. A smoke sampler support as claimed in claim 5 wherein said second drive means comprises a second ratchet wheel (13), said second ratchet wheel (13) being located within the housing (21) and pivotally connected to the bottom of the housing (21), a rotatable handle extending into the housing (21) and being connected to one end of the second ratchet wheel (13), the other end of the second ratchet wheel (13) being fixedly connected to the outer sleeve (11).

7. The smoke and dust sampling tube supporting device according to claim 5, wherein the executing part comprises a supporting rod (12) penetrating through the outer sleeve (11) and the inner side and the outer side of the outer sleeve (11) and an elastic telescopic rod (123) arranged outside the outer sleeve (11), one end of the supporting rod (12) extending out of the outer sleeve (11) is connected with a supporting frame (121), the supporting rod (12) is connected with the end part of the supporting frame (121) and one end of the elastic telescopic rod (123), the other end of the elastic telescopic rod (123) is fixedly connected with the outer wall of the upper part of the shell (21), the sliding connection mechanism comprises a spiral channel (111) on the outer wall of the outer sleeve (11) along the axial direction of the outer wall and a sliding rod (122) fixed on the side wall of the supporting rod (12), and the sliding rod (122.

8. The smoke and dust sampling tube supporting device according to claim 6, wherein an inclined hole (15) is formed in one side of the shell (21), the one-way limiting mechanism comprises a second pawl (14), the second pawl (14) penetrates through the inclined hole (15) and is arranged inside and outside the shell (21), one end, located outside the shell (21), of the second pawl (14) is connected with a pull ring, one end, located inside the shell (21), of the second pawl (14) extends into a tooth groove of the second ratchet wheel (13), the middle of the second pawl (14) is hinged to the inner wall of one side of the inclined hole (15), and the second pawl (14) is elastically connected with the inner wall of the other side of the inclined hole (15) through a second spring (16).