Anti-collision cantilever type automatic sampling machine

Abstract

The utility model discloses an anti-collision cantilever type automatic sampling machine which comprises a machine frame. A chain is arranged on the upper portion of the machine frame, two ends of the chain are connected with the sampling arm assembly, a gear motor is arranged on the machine frame, a left limit is arranged at the left end of the machine frame, a right limit is arranged at the right end of the machine frame, and the gear motor is used for driving the chain to drive the sampling arm assembly to transversely move between the left limit and the right limit on the machine frame. A waste articulated chute and a blanking articulated chute are arranged below the riffle, and a sample barrel is arranged below the blanking articulated chute; the device is simple in structure and convenient to operate, and the sampling arm assembly in operation is effectively prevented from being damaged due to collision when the blanking groove is blocked by mounting the parallel beam weighing sensor; the sampling amount can be controlled by adjusting the opening degree of the riffle, and it is guaranteed that the total sampling amount is not too much after the sampling time interval is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of cantilever type automatic sampling machines, in particular to an anti-collision cantilever type automatic sampling machine. Background Technique

[0002] Problems existing in the sampling machines of traditional coke reactors: First, when the head of the sampling machine rotates, there is a problem that it is difficult to dredge the blocked material at the sampling head; second, for the sweeping type sampling machine, when the material accumulates due to the blockage of the discharge port of the conveying belt, the sweeping type sampling machine collides with the material pile, resulting in damage to the sampling machine; third, although the sampling amount can be controlled by adjusting the sampling time interval, if the sampling time interval is too small, the sampling amount is too much, and if the sampling time interval is too large, the sampling representativeness is not strong. To solve the above problems, an anti-collision cantilever type automatic sampling machine is proposed. Summary of the Invention

[0003] The purpose of the utility model is to solve the above problems, and provide an anti-collision cantilever type automatic sampling machine.

[0004] The specific scheme of the utility model is: an anti-collision cantilever type automatic sampling machine, including: a frame; a chain is arranged on the upper part of the frame, both ends of the chain are connected with a sampling arm assembly, a reduction motor is arranged on the frame, a left limit is arranged at the left end of the frame, a right limit is arranged at the right end of the frame, the reduction motor is used to drive the chain to drive the sampling arm assembly to move horizontally between the left limit and the right limit on the frame, a riffle is arranged below the sampling arm assembly, a waste material chute and a blanking chute are arranged below the riffle, a sample bucket is arranged below the blanking chute, and the riffle is used to divide part of the material into the waste material chute, and the other part of the material enters the sample bucket through the blanking chute.

[0004]

[0005] Further, the sampling arm assembly includes: a sampling bracket, and the sampling bracket is connected with both ends of the chain; a parallel beam weighing sensor is arranged at the lower end of the sampling bracket, a support arm is arranged at the lower end of the parallel beam weighing sensor, and a sampling component is arranged at the lower end of the straight arm for sampling.

[0006] Further, rollers are arranged on the sampling bracket, tracks are arranged on the frame, and the rollers are in rolling connection with the tracks.

[0005]

[0007] The working principle of the utility model: A parallel beam weighing sensor is installed between the sampling bracket and the straight arm of the utility model. When the sampling arm assembly is running and encounters an obstacle, when the parallel beam weighing sensor is subjected to a lateral resistance, the program will control the sampling arm to move to the limit position in the opposite direction of the force, stop running and issue a fault alarm; in addition, a chute and a riffle are installed below the sampling machine assembly, and a part of the sample is reduced and divided into the sample bucket. By adjusting the opening and closing size of the riffle, the sampling amount can be controlled to ensure that the total sampling amount will not be too much after shortening the sampling time interval.

[0008] The utility model has the following beneficial effects:

[0009] The utility model has a simple structure and convenient operation. By installing a parallel beam load cell, it can effectively prevent the sampling arm assembly in operation from being damaged due to collision when the feeding chute is blocked. By adjusting the opening and closing size of the riffle, the sampling amount can be controlled to ensure that the total sampling amount will not be excessive after shortening the sampling time interval. Description of the Drawings

[0010] Figure 1 is a structural schematic diagram of the utility model Figure 1 ;

[0011] Figure 2 is a structural schematic diagram of the utility model Figure 2 ;

[0012] Figure 3 Structural schematic diagram of the sampling arm assembly;

[0013] In the figure: 1, frame; 2, chain; 3, reduction motor; 4, left limit; 5, right limit; 6, sampling arm assembly; 7, ejector rod; 8, riffle; 9, waste chute; 10, feeding chute; 11, sample bucket; 12, sampling support; 13, parallel beam load cell; 14, straight arm; 15, sampling head; 16, fixed pile; 17, tension spring. Detailed Embodiments

[0014] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0015] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0016] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, such descriptions of "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and / or" appearing throughout the text includes three parallel scenarios. Taking "A and / or B" as an example, it includes Scenario A, or Scenario B, or the scenario where both A and B are satisfied simultaneously. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0017] Please refer to Figures 1-3 , an anti-collision cantilever type automatic sampling machine, comprising: a frame 1; a chain 2 is provided on the upper part of the frame 1, and both ends of the chain 2 are connected to a sampling arm assembly 6. A reduction motor 3 is provided on the frame 1, a left limit 4 is provided at the left end of the frame 1, and a right limit 5 is provided at the right end of the frame 1. The reduction motor 3 is used to drive the chain 2 to drive the sampling arm assembly 6 to horizontally move between the left limit 4 and the right limit 5 on the frame 1. A riffle 8 is provided below the sampling arm assembly 6, a waste material chute 9 and a blanking chute 10 are provided below the riffle 8, and a sample bucket 11 is provided below the blanking chute 10. The riffle 8 is used to divide part of the material into the waste material chute 9, and the other part of the material enters the sample bucket 11 through the blanking chute 10.

[0018] In this embodiment, the sampling arm assembly 6 includes: a sampling bracket 12, and the sampling bracket 12 is connected to both ends of the chain 2; a parallel beam load cell 13 is provided at the lower end of the sampling bracket 12, a support arm is provided at the lower end of the parallel beam load cell 13, and a sampling component is provided at the lower end of the straight arm 14 for sampling.

[0019] Specifically, the parallel beam load cell 13 is installed between the roller bracket and the straight arm 14 and can measure the shear force from the lateral direction. When the resistance of the blocked material reaches a certain value during lateral transportation, the sampling machine will return to the limit position in the direction opposite to the force.

[0020] Among them, the sampling component includes: a sampling head 15, which is installed below the straight arm 14, is in a bucket shape, has an opening at the upper end and a movable door at the lower end; a tension spring 17 is installed on the sampling head 15, one end is fixed on the sampling head 15, and the other end is connected to the movable door. When there is no external force, the spring contracts and the movable door closes; there is a protruding fixed pile 16 on the movable door, and a push rod 7 corresponding to the fixed pile 16 is provided on the frame 1. When the sampling head 15 returns, the fixed pile 16 is blocked by the push rod 7 and the movable door opens.

[0021] In this embodiment, rollers are provided on the sampling bracket 12, tracks are provided on the frame 1, and the rollers are in rolling connection with the tracks.

[0022] The working principle of the present utility model: A parallel beam load cell 13 is installed between the sampling bracket 12 and the straight arm 14 of the present utility model. When the sampling arm assembly 6 is running and encounters a blockage, when the parallel beam load cell 13 is subjected to a lateral resistance, the program will control the sampling arm to move to the limit position in the direction opposite to the force, stop running and issue a fault alarm; in addition, a chute and a riffle 8 are installed below the sampling machine assembly, and a part of the sample is reduced and divided into the sample bucket 11. By adjusting the opening and closing size of the riffle 8, the sampling amount can be controlled to ensure that the total sampling amount will not be too much after shortening the sampling time interval.

[0023] The present utility model has the following beneficial effects:

[0024] The structure of the present utility model is simple and the operation is convenient. By installing the parallel beam load cell 13, it effectively prevents the sampling arm assembly 6 in operation from being damaged due to collision when the feeding chute is blocked; by adjusting the opening and closing size of the riffle 8, the sampling amount can be controlled to ensure that the total sampling amount will not be too much after shortening the sampling time interval.

Claims

1. An anti-collision cantilever type automatic sampling machine, comprising: Frame; characterized in that: a chain is provided at the upper part of the frame, both ends of the chain are connected to a sampling arm assembly, a reduction motor is provided on the frame, a left limit is provided at the left end of the frame, and a right limit is provided at the right end of the frame. The reduction motor is used to drive the chain to drive the sampling arm assembly to move horizontally between the left limit and the right limit on the frame. A riffle is provided below the sampling arm assembly, a waste chute and a feeding chute are provided below the riffle, a sample bucket is provided below the feeding chute, and the riffle is used to divide part of the material into the waste chute, and the other part of the material enters the sample bucket through the feeding chute.

2. The anti-collision cantilever type automatic sampler according to claim 1, wherein: The sampling arm assembly includes: a sampling bracket, and the sampling bracket is connected to both ends of the chain; a parallel beam load cell is provided at the lower end of the sampling bracket, a support arm is provided at the lower end of the parallel beam load cell, and a sampling component is provided at the lower end of the straight arm for sampling.

3. The anti-collision cantilever type automatic sampling machine according to claim 2, characterized in that: Rollers are provided on the sampling bracket, tracks are provided on the frame, and the rollers are in rolling connection with the tracks.

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