CN212693301U

CN212693301U - Belt head sampler

Info

Publication number: CN212693301U
Application number: CN202021666144.8U
Authority: CN
Inventors: 顾泽斌; 王勤鹏
Original assignee: Qingdao Jingruize Electric Power Technology Co ltd
Current assignee: Qingdao Jingruize Electric Power Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-03-12
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a belt head sample thief, including the sample thief base, the upper end fixedly connected with body frame body of sample thief base, the upper end of the body frame body is equipped with the actuating mechanism who is used for providing power, one side of the body frame body is equipped with and constructs with actuating mechanism complex sampling mechanism, the lower extreme of sample thief base is equipped with coal conveyor belt coal breakage pipe, coal conveyor belt coal breakage pipe's inside be equipped with sampling mechanism complex feeding mechanism. The utility model discloses rational in infrastructure, this sample thief scheme is strong to site environment adaptability, and the construction degree of difficulty is low. The coal conveying belt coal dropping pipe is changed by mainly concentrating on the position above the roller, the position mainly plays a sealing role for the thin plate, the change amount is not large, the field original coal conveying effect cannot be influenced, and under the action of the balancing weight, the sampling hopper arranged on the bearing block can be always kept in a vertical state in the rotating process of the rotating disc, and the sample cannot be scattered.

Description

Belt head sampler

Technical Field

The utility model relates to a sample thief technical field especially relates to a belt head sample thief.

Background

The conveying belt is an important tool in the coal transfer link and is widely applied to power plants, coal mines and transfer stations. The sampling on the normally working coal conveying belt can be more easily taken to have high representativeness to the section, and the remote operation and the whole unattended operation of the interlocking control are easy to realize.

The belt head sampler is arranged at the blanking position of the head of the main conveying belt. The belt head blanking part has the conditions of large coal flow impact and much dust, the main conveying belt blanking part is generally provided with a coal flow buffer plate, the coal flow buffer plate is vertically arranged and is blocked at the blanking part at the head of the main conveying belt, belt sampling in the current market is divided into a belt middle sampler and a belt head sampler, the middle sampler is arranged at the middle position of the belt, subordinate equipment with proper height is arranged at the bottom, and more selectable installation positions exist, so that the belt head blanking sampling method is more reliable. In the normal sampling process, in order to protect the belt and avoid lifting the belt accident, rotatory scraper bucket is at least 50mm apart from the belt bottom in reality, can't take real section at all, and the coal sample representativeness is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a belt head sampler.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a belt head sample thief, includes the sample thief base, the upper end fixedly connected with body frame body of sample thief base, the upper end of body frame body is equipped with the actuating mechanism who is used for providing power, one side of body frame body is equipped with and constructs with actuating mechanism complex sampling mechanism, the lower extreme of sample thief base is equipped with coal conveyor belt coal breakage pipe, coal conveyor belt coal breakage pipe's inside be equipped with sampling mechanism complex feeding mechanism.

Preferably, the driving mechanism comprises a driving motor arranged at the upper end of the main frame body, and the tail end of an output shaft of the driving motor penetrates through the main frame body and is fixedly connected with a rotating disc.

Preferably, the sampling mechanism includes a balancing weight fixedly connected with one end of the rotating disc, the other end of the rotating disc is rotatably connected with a bearing seat, a sampling hopper is arranged at the front end of the bearing seat, a coal receiving pipe moving system is arranged on the other side of the upper end of the sampler base, a material collecting pipe is arranged at the upper end of the sampler base, and a material receiving pipe matched with the coal receiving pipe moving system is arranged above the material collecting pipe.

Preferably, the feeding mechanism comprises a hopper switch door arranged at the bottom of the sampling hopper, two ends of the hopper switch door are respectively provided with a spring for resetting, and the lower end of the hopper switch door is opposite to the middle part of the coal conveying belt coal dropping pipe.

Preferably, a guide roller which is matched with the coal receiving pipe moving system and used for preventing the sampling hopper from swinging too much during discharging is arranged above the main frame body.

Preferably, the front end of the main frame body is provided with a coal conveying belt driving roller for throwing materials.

The utility model has the advantages that:

1. the system can completely adapt to the site of a short coal conveying belt by lifting the coal flow from a low point to a side surface (outside the width of the coal flow) or a top point higher than the surface of the roller for processing on the premise of not influencing the site original coal conveying system;

2. the sampler scheme has strong adaptability to the field environment and low construction difficulty. The change of the coal conveying belt coal dropping pipe is mainly concentrated at the position above the roller, the position is a thin plate and mainly plays a sealing role, the change amount is small, and the field original coal conveying effect is not influenced;

3. under the effect of balancing weight, install the sampling fill on the bearing frame and can keep vertical state all the time at the rolling disc rotation in-process, can not spill a kind.

Drawings

Fig. 1 is a side view of the belt head sampler according to the present invention in an operating state;

fig. 2 is a side view of the unloading position of the belt head sampler provided by the present invention;

fig. 3 is a front view of the belt head sampler according to the present invention;

fig. 4 is a front view of the unloading position of the belt head sampler provided by the utility model.

In the figure: 1 balancing weight, 2 driving motors, 3 main frame bodies, 4 rotating discs, 5 bearing seats, 6 sampling hoppers, 7 coal conveying belt driving rollers, 8 hopper opening and closing doors, 9 coal conveying belt coal dropping pipes, 10 coal receiving pipe moving systems, 11 material receiving pipes, 12 material collecting pipes and 13 guide rollers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a belt head sampler comprises a sampler base, a main frame body 3 is fixedly connected to the upper end of the sampler base, a driving mechanism for providing power is arranged at the upper end of the main frame body 3, a sampling mechanism matched with the driving mechanism is arranged on one side of the main frame body 3, a coal conveying belt coal dropping pipe 9 is arranged at the lower end of the sampler base, and a feeding mechanism matched with the sampling mechanism is arranged inside the coal conveying belt coal dropping pipe 9.

The utility model discloses in, actuating mechanism is including setting up in driving motor 2 of the 3 upper ends of the body frame body, driving motor 2's output shaft end runs through the body frame body 3 and fixedly connected with rolling disc 4, sampling mechanism includes balancing weight 1 with the one end fixed connection of rolling disc 4, the other end of rolling disc 4 rotates and is connected with bearing frame 5, the front end of bearing frame 5 is equipped with sampling fill 6, the upper end opposite side of sample thief base is equipped with and connects coal pipe moving system 10, the upper end of sample thief base is equipped with collecting pipe 12, collecting pipe 12's top is equipped with and connects coal pipe moving system 10 complex to connect material pipe 11, under balancing weight 1's effect, sampling fill 6 of installing on bearing frame 5 can keep the vertical state throughout in the rotating disc 4 rotation process, can not spill appearance.

Specifically, feeding mechanism is including setting up in the hopper switch door 8 of the bottom of sampling fill 6, and the both ends of hopper switch door 8 are equipped with the spring that is used for resetting respectively, and the lower extreme of hopper switch door 8 is just to the middle part of coal conveyor belt coal breakage pipe 9, and the top of the body frame body 3 is equipped with and connects coal pipe moving system 10 complex to be used for preventing that sampling fill 6 from unloading too big deflector roll 13 of oscillating quantity, and the front end of the body frame body 3 is equipped with the coal conveyor belt initiative cylinder 7 that is used for spilling the material.

The utility model discloses during the use, after the work order is received to the sample thief, will start driving motor 2 and drive sampling fill 6 and balancing weight 1 clockwise rotation together, fill 6 and connect the coal sample when the coal flow is regional when the sampling, stop when moving the discharge position, then connect material pipe 11 and track horizontal migration under the drive of connecing coal pipe moving system 10, hopper switch door 8 is opened, last a fixed time after the state of opening completely, then connect material pipe 11 and track return, 8 feed bin switch doors are closed completely under spring tension, wait for next work flow, 1 weight balance of balancing weight falls the weight of sampling fill 6 and rolling disc 4, can guarantee to rotate steadily when non-operating condition, reduce the trouble.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a belt head sample thief, includes the sample thief base, its characterized in that, the upper end fixedly connected with body frame body (3) of sample thief base, the upper end of body frame body (3) is equipped with the actuating mechanism who is used for providing power, one side of the body frame body (3) is equipped with the sampling mechanism with actuating mechanism complex, the lower extreme of sample thief base is equipped with coal conveyor belt coal breakage pipe (9), the inside of coal conveyor belt coal breakage pipe (9) is equipped with and constructs complex feeding mechanism with the sampling.

2. The belt head sampler according to claim 1, wherein the driving mechanism comprises a driving motor (2) arranged at the upper end of the main frame body (3), and the tail end of the output shaft of the driving motor (2) penetrates through the main frame body (3) and is fixedly connected with the rotating disc (4).

3. The belt head sampler according to claim 2, wherein the sampling mechanism comprises a balancing weight (1) fixedly connected with one end of a rotating disc (4), the other end of the rotating disc (4) is rotatably connected with a bearing seat (5), a sampling hopper (6) is arranged at the front end of the bearing seat (5), a coal receiving pipe moving system (10) is arranged at the other side of the upper end of the sampler base, a collecting pipe (12) is arranged at the upper end of the sampler base, and a receiving pipe (11) matched with the coal receiving pipe moving system (10) is arranged above the collecting pipe (12).

4. The belt head sampler according to claim 3, wherein the feeding mechanism comprises a hopper switch door (8) arranged at the bottom of the sampling hopper (6), springs for resetting are respectively arranged at two ends of the hopper switch door (8), and the lower end of the hopper switch door (8) is opposite to the middle of the coal conveying belt coal dropping pipe (9).

5. A belt head sampler according to claim 3 wherein the main frame (3) is provided above with a guide roller (13) cooperating with the coal receiving pipe moving system (10) for preventing the sampling hopper (6) from swinging too much during discharge.

6. A belt head sampler according to claim 1 wherein the main frame (3) is provided at its front end with a coal belt drive roller (7) for throwing material.