CN210293783U - Anti-static sampling spoon suitable for accurate chemical examination and analysis of coal quality of power plant - Google Patents

Abstract

The utility model discloses a prevent static sample spoon suitable for accurate chemical examination analysis of power plant coal quality, comprising a main body, the lateral wall fixedly connected with bracing piece of main part, the one end fixedly connected with stretching device of main part is kept away from to the bracing piece, stretching device's the spacing frame of both sides fixedly connected with, the bottom fixedly connected with adapter sleeve of main part, the fixed frame of adapter sleeve fixedly connected with is passed through to the main part, the bottom fixedly connected with filter screen of fixed frame, the lateral wall and the stretching device fixed connection of fixed frame, the utility model relates to an experimental apparatus technical field. This prevent static sampling spoon suitable for accurate chemical examination analysis of power plant coal quality has reached and has set up the filter screen in sampling spoon top, through stretching device, drives fixed frame motion, filters the sample, and the sample that will accord falls into sampling spoon, utilizes fixing device, will take out sampling spoon fast, tests, improves the experiment precision, satisfies the user demand purpose.

Description

Anti-static sampling spoon suitable for accurate chemical examination and analysis of coal quality of power plant

Technical Field

The utility model relates to an experimental apparatus field, more specifically say, relate to a prevent static sample spoon suitable for accurate chemical examination analysis of power plant coal quality.

Background

Coal used by a power plant for power generation needs to be tested for coal quality, and in the test analysis of coal quality such as detection analysis of items such as air-dry-based moisture and the like, the national standard provides that 'a common analysis test coal sample (1 +/-0.1) g with the granularity of less than 0.2mm is weighed to 0.0002g and is spread in a weighing bottle'. Because the weighing quantity is less, whether the laboratory technician can accurately weigh the sample directly influences the final test result. At present, the current anti-static sampling spoon for accurate chemical examination and analysis of coal quality can not filter samples in the sampling process, and the sampled samples can not meet the experiment requirements and influence the experiment precision.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the current accurate chemical examination analysis's of coal quality antistatic sampling spoon that exists among the prior art, in the sampling process, can not filter the sample, the sample of taking a sample, can't satisfy the experiment demand, influence the precision problem of experiment, the utility model aims to provide an antistatic sampling spoon suitable for the accurate chemical examination analysis of power plant coal quality, it can realize setting up the filter screen above the sampling spoon, through stretching device, drives fixed frame motion, filters the sample, and the sample that will accord with falls into the sampling spoon, utilizes fixing device, takes out the sampling spoon fast, tests, improves the experiment precision, satisfies the user demand.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a prevent static sampling spoon suitable for accurate chemical examination analysis of power plant coal quality, includes the main part, the lateral wall fixedly connected with bracing piece of main part, the one end fixedly connected with stretching device of main part is kept away from to the bracing piece, the spacing frame of both sides fixedly connected with of stretching device, the bottom fixedly connected with adapter sleeve of main part, the main part passes through the fixed frame of adapter sleeve fixedly connected with, the bottom fixedly connected with filter screen of fixed frame, the lateral wall and the stretching device fixed connection of fixed frame, the below of filter screen is provided with the sampling spoon, the lateral wall fixedly connected with fixing device of sampling spoon, fixing device is connected with the stretching device, the lateral wall of stretching device is provided with the scraper blade.

Preferably, stretching device includes the installing frame, installing frame sliding connection has the pull rod, the pull rod is located the outside one end fixedly connected with pull ring of installing frame, the pull rod is located the inside one end fixedly connected with dog of installing frame, the lateral wall fixedly connected with compression spring of dog, compression spring cup joints with the pull rod, the dog passes through the inner wall fixed connection of compression spring with the installing frame, the one end fixedly connected with motion bar of pull rod is kept away from to the dog, motion bar and installing frame sliding connection, the motion bar is located the outside one end of installing frame and fixed frame fixed connection, the bottom and the fixing device joint of installing frame.

Preferably, fixing device includes the stationary dog, the lateral wall fixedly connected with dead lever of stationary dog, dead lever and sample spoon fixed connection, the lateral wall fixedly connected with slide bar of stationary dog, the one end fixedly connected with fixture block of stationary dog is kept away from to the slide bar, slide bar sliding connection has the motion claw, the lateral wall of motion claw is provided with presses the frame, the lateral wall fixedly connected with reset spring of motion claw, reset spring cup joints with the slide bar, the bottom of installing frame is provided with the mounting groove, stationary dog, motion claw respectively with the mounting groove joint.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of: the coal sampling device comprises a mounting frame, limiting frames are arranged on two sides of the mounting frame, a user holds the limiting frames to drive a support rod to move to drive a main body to sample coal, then a fixing device and the mounting frame are mounted, the pressing frame is pressed to drive a moving claw to move, the elastic potential energy of a return spring is increased, the fixing claw is matched with the moving claw and clamped with a mounting groove, then a pull ring is pulled to drive a pull rod to move, a stop block is driven to move, the elastic potential energy of a compression spring is increased, the moving rod is driven to move, a fixing frame is driven to move, a filter screen is driven to move, the pull ring is loosened, the elastic potential energy of the compression spring is converted into kinetic energy to drive the stop block to move, the moving rod is driven to move, reciprocating operation is carried out to filter coal in the filter screen, the filtered coal falls into a sampling spoon, the pressing frame is pressed to, guarantee the precision of sample, reached and set up the filter screen above the sampling spoon, through stretching device, drive fixed frame motion, filter the sample, the sample that will accord with falls into the sampling spoon, utilizes fixing device, will take out the sampling spoon fast, tests, improves the experiment precision, satisfies the user demand purpose.

Drawings

Fig. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is a schematic overall top view structure of the present invention;

fig. 4 is a schematic view of a part of an enlarged structure of fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. a main body; 2. a support bar; 3. a stretching device; 31. installing a frame; 32. a pull rod; 33. a pull ring; 34. a stopper; 35. a compression spring; 36. a motion bar; 4. a limiting frame; 5. connecting sleeves; 6. a fixing frame; 7. filtering with a screen; 8. sampling a spoon; 9. a fixing device; 91. a fixed jaw; 92. fixing the rod; 93. a slide bar; 94. a clamping block; 95. a moving jaw; 96. pressing the frame; 97. a return spring; 98. mounting grooves; 10. a scraper.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Example 1:

referring to fig. 1-4, the present invention provides a technical solution: an anti-static sampling spoon suitable for accurate chemical examination and analysis of coal quality in a power plant comprises a main body 1, a supporting rod 2 is fixedly connected to the side wall of the main body 1, a stretching device 3 is fixedly connected to one end, far away from the main body 1, of the supporting rod 2, limiting frames 4 are fixedly connected to two sides of the stretching device 3, a connecting sleeve 5 is fixedly connected to the bottom of the main body 1, a fixing frame 6 is fixedly connected to the main body 1 through the connecting sleeve 5, a filter screen 7 is fixedly connected to the bottom of the fixing frame 6, the side wall of the fixing frame 6 is fixedly connected with the stretching device 3, a sampling spoon 8 is arranged below the filter screen 7, a fixing device 9 is fixedly connected to the side wall of the sampling spoon 8, the fixing device 9 is connected with the stretching device 3, a scraper 10 is arranged on the side wall of the stretching device 3, the purpose that the filter screen, utilize fixing device, take out the sampling spoon fast, carry out the experiment, improve the experimental precision, meet the user demand purpose, stretching device 3 includes the installing frame 31, installing frame 31 is connected with pull rod 32 slidably, pull rod 32 is located the one end fixedly connected with pull ring 33 of installing frame 31 outside, the one end fixedly connected with dog 34 of pull rod 32 in installing frame 31, the lateral wall fixedly connected with compression spring 35 of dog 34, compression spring 35 cup joints with pull rod 32, dog 34 is fixedly connected with the inner wall of installing frame 31 through compression spring 35, the one end fixedly connected with motion bar 36 of dog 34 far away from pull rod 32, motion bar 36 is connected with installing frame 31 slidably, the one end fixedly connected with fixed frame 6 of motion bar 36 in installing frame 31 outside, the bottom of installing frame 31 is connected with fixing device 9 in a clamping manner, fixing device 9 includes stationary dog 91, the lateral wall fixedly connected with dead lever 92 of stationary dog 91, dead lever 92 and sample spoon 8 fixed connection, the lateral wall fixedly connected with slide bar 93 of stationary dog 91, the one end fixedly connected with fixture block 94 of stationary dog 91 is kept away from to slide bar 93, slide bar 93 sliding connection has motion claw 95, the lateral wall of motion claw 95 is provided with presses frame 96, the lateral wall fixedly connected with reset spring 97 of motion claw 95, reset spring 97 cup joints with slide bar 93, the bottom of installing frame 31 is provided with mounting groove 98, stationary dog 91, motion claw 95 respectively with mounting groove 98 joint.

The working principle is as follows: the two sides of the mounting frame 31 are provided with the limit frames 4, a user holds the limit frames 4 to drive the support rod 2 to move to drive the main body 1 to sample from coal, then the fixing device 9 and the mounting frame 31 are mounted, the pressing frame 96 is pressed to drive the moving claw 95 to move, the elastic potential energy of the reset spring 97 is increased, the fixing claw 91 is matched with the moving claw 95 to be clamped with the mounting groove 98, then the pull ring 33 is pulled to drive the pull rod 32 to move to drive the stop block 34 to move, the elastic potential energy of the compression spring 35 is increased to drive the moving rod 36 to move, the fixing frame 6 is driven to move, the filter screen 7 is driven to move, the pull ring 33 is released again, the elastic potential energy of the compression spring 35 is converted into kinetic energy to drive the stop block 34 to move to drive the moving rod 36 to move, the reciprocating operation is performed to filter the coal in the filter screen 7, the filtered coal falls into, will take out sample spoon 8 to utilize sample spoon 8 surface and scraper blade 10 to scrape, guarantee the precision of sample, reached and set up the filter screen in sample spoon top, through stretching device, drive fixed frame motion, filter the sample, the sample that will accord falls into the sample spoon, utilizes fixing device, will take out the sample spoon fast, experiments, improves the experiment precision, satisfies the user demand purpose.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims (3)

1. The utility model provides a prevent static sample spoon suitable for accurate chemical examination analysis of power plant coal quality, includes main part (1), its characterized in that: the side wall of the main body (1) is fixedly connected with a support rod (2), one end of the support rod (2) far away from the main body (1) is fixedly connected with a stretching device (3), the two sides of the stretching device (3) are fixedly connected with limit frames (4), the bottom of the main body (1) is fixedly connected with a connecting sleeve (5), the main body (1) is fixedly connected with a fixed frame (6) through a connecting sleeve (5), the bottom of the fixed frame (6) is fixedly connected with a filter screen (7), the side wall of the fixed frame (6) is fixedly connected with the stretching device (3), a sampling spoon (8) is arranged below the filter screen (7), the side wall of the sampling spoon (8) is fixedly connected with a fixing device (9), the fixing device (9) is connected with the stretching device (3), and a scraper (10) is arranged on the side wall of the stretching device (3).

2. The antistatic sampling spoon suitable for the precise chemical analysis of coal quality in a power plant as claimed in claim 1, characterized in that: the stretching device (3) comprises a mounting frame (31), the mounting frame (31) is connected with a pull rod (32) in a sliding way, one end of the pull rod (32) positioned outside the mounting frame (31) is fixedly connected with a pull ring (33), one end of the pull rod (32) positioned in the mounting frame (31) is fixedly connected with a stop block (34), the side wall of the stop block (34) is fixedly connected with a compression spring (35), the compression spring (35) is sleeved with the pull rod (32), the stop block (34) is fixedly connected with the inner wall of the mounting frame (31) through a compression spring (35), one end of the stop block (34) far away from the pull rod (32) is fixedly connected with a moving rod (36), motion pole (36) and installing frame (31) sliding connection, motion pole (36) are located the outside one end of installing frame (31) and fixed frame (6) fixed connection, the bottom and the fixing device (9) joint of installing frame (31).

3. The antistatic sampling spoon suitable for the precise chemical analysis of coal quality in a power plant as claimed in claim 2, characterized in that: fixing device (9) are including stationary dog (91), lateral wall fixedly connected with dead lever (92) of stationary dog (91), dead lever (92) and sampling spoon (8) fixed connection, the lateral wall fixedly connected with slide bar (93) of stationary dog (91), the one end fixedly connected with fixture block (94) of stationary dog (91) are kept away from in slide bar (93), slide bar (93) sliding connection has motion claw (95), the lateral wall of motion claw (95) is provided with presses frame (96), the lateral wall fixedly connected with reset spring (97) of motion claw (95), reset spring (97) cup joint with slide bar (93), the bottom of installing frame (31) is provided with mounting groove (98), stationary dog (91), motion claw (95) respectively with mounting groove (98) joint.

Images