CN210735370U - Chain breakage protection system of environment-friendly feeder - Google Patents

Abstract

The utility model discloses an environmental protection batcher broken chain protection system, which comprises a bod, rotate on the organism and install the pivot, one side fixed mounting of organism has the base, and the spout has been seted up at the top of base, and slidable mounting has the sliding seat in the spout, and the top of sliding seat extends to the spout and outer and fixed mounting has first locating plate, and the top of first locating plate is equipped with speed sensor, and speed sensor's top is equipped with the second locating plate, and first locating plate and second locating plate are the arc structure, and the one side that the sliding seat is located the spout sets up threaded hole. The utility model relates to a rationally, the simple operation, it is convenient fixed to the speed sensor installation, and it is also convenient to dismantle, is convenient for adjust speed sensor's mounted position moreover for interval position between speed sensor and the pivot is suitable, improves speed sensor's detection precision, prevents to take place the alert or not reporting to the police of wrong report, ensures the normal operating of batcher.

Description

Chain breakage protection system of environment-friendly feeder

Technical Field

The utility model relates to a batcher equipment technical field specifically is an environmental protection batcher broken chain protection system.

Background

Along with the improvement of national pollutant emission standards, environmental protection work becomes one of key work of power plants, a limestone feeder is used as a core device of a boiler desulfurization system of the power plant, once a fault occurs, the fault needs to be repaired as soon as possible, if the fault cannot be repaired in time, the boiler smoke sulfur dioxide emission is easy to exceed the standard, the limestone feeder is a chain type rotary feeder, when the original system is subjected to chain breakage, due to the fact that the fault cannot be found in time, the pollutant emission parameters are often abnormal, the system is difficult to adjust, and the maintenance time is delayed, in order to solve the problems, a feeder chain breakage protection system is arranged beside a rotating shaft of the feeder and is used for detecting the rotation of the rotating shaft, the feeder chain breakage protection system comprises a rotating speed sensor, a KCSP signal processor and a DCS control system, the KCSP signal processor comprises a signal processor, an oscillator, a frequency, when the chain breakage occurs, the rotating speed sensor can give an alarm to inform the staff of timely processing.

However, in the prior art, the rotating speed sensor is inconvenient to mount and dismount, the operation process is complicated, the mounting position of the rotating speed sensor cannot be adjusted, the distance between the mounted rotating speed sensor and the rotating shaft of the feeder is too large or too small, the detection precision of the rotating speed sensor can be affected, false alarm or no alarm can be sent, the chain breakage detection of the feeder is not accurate enough, and therefore an environment-friendly feeder chain breakage protection system is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an environmental protection batcher broken chain protection system has solved the tachometric sensor on the batcher and has not been convenient for install and dismantle, and operation process is loaded down with trivial details, is not convenient for adjust tachometric sensor's position for it detects the unsafe problem of precision.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an environmental protection feeder chain breakage protection system comprises a machine body, wherein a rotating shaft is rotatably installed on the machine body, a base is fixedly installed on one side of the machine body, a sliding groove is formed in the top of the base, a movable seat is slidably installed in the sliding groove, the top of the movable seat extends out of the sliding groove and is fixedly provided with a first positioning plate, a rotating speed sensor is arranged above the first positioning plate, a second positioning plate is arranged above the rotating speed sensor, the first positioning plate and the second positioning plate are both of arc structures, one side of the movable seat, which is positioned in the sliding groove, is provided with a threaded hole, a lead screw is installed in the threaded hole, two ends of the lead screw extend out of the threaded hole, an installation hole is formed in the inner wall of one side of the sliding groove, a small rotating shaft is rotatably installed in the installation hole, two ends of the small rotating shaft extend out of the installation hole, the screw rod is positioned between the two guide rods, and the movable seat is sleeved on the two guide rods in a sliding manner.

Preferably, an adjusting handle is fixedly mounted at one end, far away from the screw rod, of the small rotating shaft, and anti-skid grains are arranged on the adjusting handle.

Preferably, the first positioning plate and the second positioning plate are fixedly arranged on one side close to each other and provided with spongy cushions, the two spongy cushions are in contact with the rotating speed sensor, and the first positioning plate and the second positioning plate are fixedly connected through two bolts.

Preferably, the bottom of the movable seat is nested with a ball, and the ball is in rolling contact with the inner wall of the bottom of the sliding groove.

Preferably, a bearing seat is fixedly installed on the inner wall of one side, away from the mounting hole, of the sliding groove, and one end, away from the small rotating shaft, of the screw rod is rotatably installed on the bearing seat.

Preferably, the inner wall of the mounting hole is provided with an annular groove, the small rotating shaft is fixedly sleeved with an annular block, and the annular block is rotatably mounted in the annular groove.

(III) advantageous effects

The utility model provides an environmental protection batcher broken chain protection system. The method has the following beneficial effects:

(1) this environmental protection batcher broken chain protection system, carry out fixed connection through two bolts through first locating plate and second locating plate, it is fixed to utilize first locating plate and second locating plate to carry out the centre gripping to speed sensor, be convenient for be close to one side of pivot to speed sensor fixed mounting at the organism, utilize two foam-rubber cushions, can protect speed sensor, prevent that the clamping-force is too big, cause speed sensor to receive the damage, and be convenient for dismantle the bolt get off, remove first locating plate and second locating plate, speed sensor under the convenient dismantlement.

(2) The chain breakage protection system of the environment-friendly feeder comprises an adjusting handle, wherein the adjusting handle is rotated clockwise to drive a small rotating shaft and a screw rod to rotate, under the guiding action of two guide rods, a movable seat moves towards the direction far away from the small rotating shaft, the movable seat drives a first positioning plate, a second positioning plate and a rotating speed sensor to move towards the direction far away from the small rotating shaft, and similarly, the adjusting handle is rotated anticlockwise to drive the first positioning plate, the second positioning plate and the rotating speed sensor to move towards the direction close to the small rotating shaft, so that the position of the rotating speed sensor can be finely adjusted, the distance between the rotating speed sensor and the small rotating shaft is proper, the detecting precision of the rotating speed sensor is more sensitive when the rotating speed sensor is used, false alarm or abnormal alarm is prevented, the problem that the chain breakage protection system cannot be found in time when the feeder works abnormally is avoided, and pollutant emission, causing pollution to the environment.

Drawings

FIG. 1 is a schematic sectional view of the main view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 2;

FIG. 4 is a schematic side view of the cross-sectional structure of the present invention;

fig. 5 is a schematic block diagram of the present invention.

In the figure: 1. a body; 2. a rotating shaft; 3. a base; 4. a chute; 5. a movable seat; 6. a first positioning plate; 7. a rotational speed sensor; 8. a second positioning plate; 9. a threaded hole; 10. a screw rod; 11. mounting holes; 12. a small rotating shaft; 13. an adjusting handle; 14. A guide rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: an environmental protection feeder chain breakage protection system comprises a machine body 1, a rotating shaft 2 is rotatably installed on the machine body 1, a base 3 is fixedly installed on one side of the machine body 1, a sliding groove 4 is formed in the top of the base 3, a movable seat 5 is slidably installed in the sliding groove 4, the top of the movable seat 5 extends out of the sliding groove 4 and is fixedly provided with a first positioning plate 6, a rotating speed sensor 7 is arranged above the first positioning plate 6, a second positioning plate 8 is arranged above the rotating speed sensor 7, the first positioning plate 6 and the second positioning plate 8 are both of arc-shaped structures, a threaded hole 9 is formed in one side of the movable seat 5, which is positioned in the sliding groove 4, a lead screw 10 is installed in the threaded hole 9, two ends of the lead screw 10 extend out of the threaded hole 9, a mounting hole 11 is formed in the inner wall of one side of the sliding groove 4, a small rotating shaft 12 is, one end of the small rotating shaft 12, which is positioned in the sliding groove 4, is fixedly connected with one end of the screw rod 10, two guide rods 14 are fixedly installed in the sliding groove 4, the screw rod 10 is positioned between the two guide rods 14, and the movable seat 5 is slidably sleeved on the two guide rods 14.

One end fixed mounting that lead screw 10 was kept away from to little pivot 12 has adjustment handle 13, be equipped with anti-skidding line on adjustment handle 13, the equal fixed mounting in one side that first locating plate 6 and second locating plate 8 are close to each other has the foam-rubber cushion, two foam-rubber cushions all contact with speed sensor 7, first locating plate 6 and second locating plate 8 are through two bolt fixed connection, the bottom nestification of sliding seat 5 has the ball, ball and the bottom inner wall rolling contact of spout 4, fixed mounting has the bearing frame on the one side inner wall that mounting hole 11 was kept away from to spout 4, the one end that little pivot 12 was kept away from to lead screw 10 is rotated and is installed on the bearing frame, the ring channel has been seted up on the inner wall of mounting hole 11, fixed cover is equipped with the annular piece on the little.

When in use, the model of the rotating speed sensor 7 is JD-LJA18M-10D1, the rotating speed sensor 7 is connected with a KCSP signal processor, the KCSP signal processor comprises a signal processor, an oscillator, a frequency divider and an output circuit, the output circuit is connected with a DCS control system, when the feeding machine normally operates, a motor drives a rotating shaft of the feeding machine to rotate through a transmission chain, when the rotating shaft rotates, the rotating speed sensor 7 outputs a series of pulse signals at uniform intervals, the pulse signal period is judged by using the KCSP signal processor, when the pulse period is greater than the setting time, the KCSP signal processor sends out a chain breakage alarm signal, once the transmission chain is disconnected, the rotating shaft stops rotating, whether the rotating shaft rotates or not can be judged through the rotating speed sensor 7 additionally arranged at the rotating shaft end of the feeding machine, when the operation is normal, the KCSP signal processor outputs low power frequency, the alarm signal is not sent out at the moment, if the transmission chain of the feeder is disconnected, the KCSP signal processor cannot receive pulse signals at uniform intervals, the pulse period is longer than the setting time, the KCSP signal processor sends out alarm signals, the alarm signals are transmitted to a DCS control system through an output circuit so as to send out an alarm, so that workers can see alarm information in time and make judgment and processing, the first positioning plate 6 and the second positioning plate 8 are fixed through two bolts, the rotating speed sensor 7 is clamped and fixed by utilizing the connection and fixation between the first positioning plate 6 and the second positioning plate 8, the rotating speed sensor 7 is conveniently and fixedly arranged on one side of the machine body 1 close to the rotating shaft 2, the rotating speed sensor 7 can be protected by utilizing two sponge cushions, the clamping force is prevented from being too large, the rotating speed sensor 7 is prevented from being damaged, the bolts are convenient to be disassembled, and the first positioning plate 6 and the second positioning plate 8 are removed, the rotating speed sensor 7 is convenient to disassemble, the position of the rotating speed sensor 7 can be adjusted according to actual use conditions, the adjusting handle 13 is rotated clockwise, the adjusting handle 13 drives the small rotating shaft 12 and the screw rod 10 to rotate, the small rotating shaft 12 drives the annular block to rotate in the annular groove, because the screw rod 10 is in threaded connection and matching with the threaded hole 9, under the guiding action of the two guide rods, the movable seat 5 moves towards the direction far away from the rotating shaft 2, the movable seat 5 drives the first positioning plate 6, the second positioning plate 8 and the rotating speed sensor 7 to move towards the direction far away from the rotating shaft 2, similarly, the adjusting handle 13 is rotated anticlockwise, the movable seat 5 drives the first positioning plate 6, the second positioning plate 8 and the rotating speed sensor 7 to move towards the direction close to the rotating shaft 2, so that the position of the rotating speed sensor 7 can be slightly adjusted, and the distance between the rotating speed sensor 7 and, therefore, when the rotating speed sensor 7 is used, the detection precision is more sensitive, false alarm or no alarm is prevented, and the contents which are not described in detail in the specification belong to the prior art which is known by the technicians in the field.

In conclusion, according to the chain breakage protection system of the environment-friendly feeder, the first positioning plate 6 and the second positioning plate 8 are fixedly connected through two bolts, the rotating speed sensor 7 is clamped and fixed by the first positioning plate 6 and the second positioning plate 8, the rotating speed sensor 7 is conveniently and fixedly arranged on one side, close to the rotating shaft 2, of the machine body 1, the rotating speed sensor 7 can be protected by the two sponge cushions, the phenomenon that the rotating speed sensor 7 is damaged due to overlarge clamping force is avoided, the bolts are conveniently dismounted, the first positioning plate 6 and the second positioning plate 8 are removed, the lower rotating speed sensor 7 is conveniently dismounted, then the position of the rotating speed sensor 7 can be adjusted, the adjusting handle 13 is rotated clockwise, the adjusting handle 13 drives the small rotating shaft 12 and the screw rod 10 to rotate, under the guiding action of the two guide rods, the movable seat 5 moves towards the direction far away from the rotating shaft 2, the movable seat 5 drives the first positioning plate 6, the second positioning plate 8 and the rotation speed sensor 7 to move in the direction far away from the rotating shaft 2, and similarly, the adjusting handle 13 is rotated anticlockwise, the movable seat 5 drives the first positioning plate 6, the second positioning plate 8 and the rotation speed sensor 7 to move in the direction close to the rotating shaft 2, so that the position of the rotation speed sensor 7 can be slightly adjusted, the distance between the rotation speed sensor 7 and the rotating shaft 2 is proper, the detection precision of the rotation speed sensor 7 is more sensitive when the rotating speed sensor is used, false alarm or no alarm is prevented, abnormal pollutant discharge parameters can not be timely found when the feeding machine works, and the environment is polluted, the utility model has the advantages of reasonable design, convenient operation, convenient installation and fixation of the rotation speed sensor 7, convenient disassembly and convenient adjustment of the installation position of the rotation speed sensor 7, the spacing position between the rotating speed sensor 7 and the rotating shaft 2 is proper, the detection precision of the rotating speed sensor 7 is improved, false alarm or no alarm is prevented, and the normal operation of the feeder is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an environmental protection batcher broken chain protection system, includes organism (1), its characterized in that: the machine body (1) is rotatably provided with a rotating shaft (2), one side of the machine body (1) is fixedly provided with a base (3), the top of the base (3) is provided with a sliding groove (4), the sliding groove (4) is internally provided with a movable seat (5), the top of the movable seat (5) extends out of the sliding groove (4) and is fixedly provided with a first positioning plate (6), a rotating speed sensor (7) is arranged above the first positioning plate (6), a second positioning plate (8) is arranged above the rotating speed sensor (7), the first positioning plate (6) and the second positioning plate (8) are both of arc-shaped structures, one side of the movable seat (5) positioned in the sliding groove (4) is provided with a threaded hole (9), a screw rod (10) is arranged in the threaded hole (9), two ends of the screw rod (10) all extend out of the threaded hole (9), a mounting hole (11) is formed in the inner, little pivot (12) are installed to mounting hole (11) internal rotation, and outside the both ends of little pivot (12) all extended to mounting hole (11), the one end that little pivot (12) are located spout (4) and the one end fixed connection of lead screw (10), and fixed mounting has two guide bars (14) in spout (4), and lead screw (10) are located between two guide bars (14), and sliding sleeve of sliding seat (5) is established on two guide bars (14).

2. The environmental protection batcher chain breakage protection system of claim 1, characterized in that: one end of the small rotating shaft (12) far away from the screw rod (10) is fixedly provided with an adjusting handle (13), and the adjusting handle (13) is provided with anti-skid grains.

3. The environmental protection batcher chain breakage protection system of claim 1, characterized in that: the first positioning plate (6) and the second positioning plate (8) are fixedly connected with sponge cushions at one sides close to each other, the two sponge cushions are in contact with the rotating speed sensor (7), and the first positioning plate (6) and the second positioning plate (8) are fixedly connected through two bolts.

4. The environmental protection batcher chain breakage protection system of claim 1, characterized in that: the bottom of the movable seat (5) is nested with a ball, and the ball is in rolling contact with the inner wall of the bottom of the sliding groove (4).

5. The environmental protection batcher chain breakage protection system of claim 1, characterized in that: a bearing seat is fixedly mounted on the inner wall of one side, away from the mounting hole (11), of the sliding groove (4), and one end, away from the small rotating shaft (12), of the screw rod (10) is rotatably mounted on the bearing seat.

6. The environmental protection batcher chain breakage protection system of claim 1, characterized in that: the inner wall of the mounting hole (11) is provided with an annular groove, the small rotating shaft (12) is fixedly sleeved with an annular block, and the annular block is rotatably mounted in the annular groove.

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