Start-stop device for sewage pump

Abstract

The utility model discloses a sewage pump starting and stopping device which comprises a swing rod arranged at the upper end of the inner wall of a sewage pool, a detachable floating block is arranged below the end, away from the inner wall of the sewage pool, of the swing rod, and an induction block is arranged at the position, corresponding to the floating block, of the top of the swing rod. A proximity switch is arranged at the position, corresponding to the position above the induction block, of the inner wall of the sewage pool, and a probe of the proximity switch is arranged towards one side of the induction block. According to the utility model, the floating block is arranged at the upper end in the sewage pool through the oscillating rod, so that the floating block does not need to be soaked in sewage for a long time and is contacted with the floating block only when the water level of the sewage rises, the aging speed of the floating block is slowed down, the service life of the floating block is prolonged, and the cost of replacing the floating block can be reduced; the sewage level monitoring work is greatly facilitated, and the floating block is connected with the swing rod through the quick-mounting pin, so that the replacement work of the floating block is greatly facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to pump control device technical field especially relates to sewage pump start -stop device. BACKGROUND

[0002] In the enterprise of steel plant, chemical plant and so on, the water quantity is big, will produce a large amount of sewage every day, and sewage is discharged to the sewage pool through pipeline to centralized treatment and storage for industrial sewage, with the sewage is discharged to the sewage pool continuously, the water level of sewage pool will also rise, at this time, the recovered sewage needs to be transported to other pool or to various sewage treatment equipment to prevent the sewage overflow, at present, in order to realize the automatic start -stop operation of sewage pump, generally, a float is arranged in the sewage pool, and the inductive device is driven by the float to change position with the rising of liquid level, so as to trigger the inductor and control the sewage pump to work, since the float needs to float in the sewage pool for a long time, it is easy to cause the aging damage of the float by soaking in sewage for a long time, so the float needs to be replaced regularly, which brings great inconvenience to the monitoring of the water level of the sewage pool. SUMMARY

[0003] The utility model discloses a sewage pump start -stop device, which can effectively solve the problems in the prior art.

[0004] To achieve the above object, the utility model takes the technical scheme for sewage pump start -stop device, including the swing lever that sets up on the inner wall upper end of sewage pool, the swing lever is detachable and is provided with the float in the lower of the one end away from the inner wall of sewage pool, and the top of swing lever is provided with the inductive block in the position corresponding to the float, and the inner wall of sewage pool is provided with the proximity switch in the position corresponding to the inductive block top, and the probe of proximity switch is arranged towards the inductive block side.

[0005] The top of float is provided with the mounting block, the upper end of mounting block is provided with the hinge joint, the hinge joint is fixedly connected with the mounting block through the quick -mounting pin, the lower end of swing lever is provided with the mounting wing plate in the position corresponding to the both sides of hinge joint, and the upper end of hinge joint is hingedly connected with the mounting wing plate through the pin shaft.

[0006] Further, the lower end of hinge joint is provided with the insertion slot matched with the mounting block, the mounting block is inserted into the insertion slot, and the quick -mounting pin penetrates the hinge joint and the mounting block simultaneously.

[0007] Further, the quick mounting pin comprises a pin rod which is simultaneously inserted into the mounting block and the hinge joint, two ends of the pin rod extend to the two outer sides of the hinge joint, one end of the pin rod is provided with a rod head, the end of the pin rod with the rod head is sleeved with an elastic spring, one end of the elastic spring abuts against the rod head, the other end of the elastic spring abuts against the side wall of the hinge joint, the pin rod is provided with a protruding limiting head on the side wall away from the end of the rod head, the hinge joint is provided with sliding notches on the side corresponding to the pin hole of the pin rod, and the sliding notches are communicated with each other to form a sliding groove for the sliding of the limiting head.

[0008] Further, the hinge joint is provided with a clamping groove on the side wall on the same side of the limiting head, the limiting head is clamped in the clamping groove, and the clamping groove is arranged on the side opposite to the position of the sliding notches.

[0009] Further, the inner wall of the sewage tank is provided with a mounting seat, the mounting seat is provided with a rotating shaft, one end of the swing rod away from the floating block is hinged to the rotating shaft, and the inner wall of the sewage tank is further provided with a mounting plate, and the proximity switch is mounted on the mounting plate.

[0010] Further, the inner wall of the sewage tank is provided with a limiting support corresponding to the position below the swing rod, and the lower end of the swing rod abuts against the limiting support.

[0011] Further, the limiting support comprises two mounting rods fixedly connected with the inner wall of the sewage tank, a connecting rib is arranged between the mounting rods, and a vertical rod is arranged on the top of one end of the mounting rods away from the inner wall of the sewage tank; a supporting rod is arranged between the tops of the vertical rods on the two sides.

[0012] Further, the supporting rod is provided with an inclined inclined surface, and the swing rod abuts against the inclined surface.

[0013] The above technical scheme of the utility model has the following beneficial effects: the utility model sets the floating block at the upper end in the sewage tank through the swing rod, so that the floating block does not have to be soaked in sewage for a long time, and only when the sewage level rises, the floating block will be contacted, thereby reducing the aging speed of the floating block, prolonging the service life of the floating block, reducing the cost of replacing the floating block, bringing great convenience to the monitoring work of the sewage level, and the floating block is connected with the swing rod through the quick mounting pin, thereby bringing great convenience to the replacement work of the floating block. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a front view partial section structure schematic view of the utility model embodiment;

[0015] Fig. 2 It is an installation section schematic view of the floating block of the utility model embodiment;

[0016] Fig. 3 This is a left-side view of the limiting bracket in an embodiment of the present invention. Detailed Implementation

[0017] To better understand the above-mentioned objectives, features and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0019] like Figs. 1-3 As shown, the sewage pump start-stop device described in this embodiment includes a swing rod 2 set on the upper end of the inner wall of the sewage tank 1. A detachable float 3 is set below the end of the swing rod 2 away from the inner wall of the sewage tank 1. A sensing block 4 is set on the top of the swing rod 2 at the position corresponding to the float 3. A proximity switch 5 is set on the inner wall of the sewage tank 1 at the position above the sensing block 4. The probe of the proximity switch 5 is arranged facing the sensing block 4.

[0020] The top of the float 3 is provided with a mounting block 6, and the upper end of the mounting block 6 is provided with a hinge joint 7. The hinge joint 7 is fixedly connected to the mounting block 6 by a quick-release pin. The lower end of the swing rod 2 is provided with mounting wing plates 8 on both sides of the corresponding hinge joint 7. The upper end of the hinge joint 7 is hinged to the mounting wing plate 8 by a pin 9.

[0021] The lower end of the hinge joint 7 is provided with a slot that is compatible with the mounting block 6. The mounting block 6 is inserted into the slot, and the quick-release pin passes through both the hinge joint 7 and the mounting block 6.

[0022] The quick-release pin includes a pin 10 that passes through both the mounting block 6 and the hinge joint 7. Both ends of the pin 10 extend outwards from the hinge joint 7. One end of the pin 10 is provided with a rod head 11. A telescopic spring 12 is sleeved on the end of the pin 10 with the rod head 11. One end of the telescopic spring 12 abuts against the rod head 11, and the other end of the telescopic spring 12 abuts against the side wall of the hinge joint 7. A protruding limiting head 13 is provided on the side wall of the pin 10 away from the rod head 11. Sliding notches 20 are provided on the hinge joint 7 and the mounting block 6 at the position corresponding to the pin hole of the pin 10. The sliding notches 20 are interconnected to form a sliding groove that facilitates the sliding of the limiting head 13.

[0023] The hinge joint 7 has a slot on the side wall on the same side as the limiting head 13, and the limiting head 13 is clamped in the slot. The slot is located on the side opposite to the position of the sliding notch 20.

[0024] The inner wall of the sewage pool 1 is provided with a mounting seat 14, the mounting seat 14 is provided with a rotating shaft 15, the end of the swing rod 2 away from the float block 3 is hinged to the rotating shaft 15, and the inner wall of the sewage pool 1 is further provided with a mounting plate 21, and the proximity switch 5 is mounted on the mounting plate 21.

[0025] The float block 3 is hinged to the swing rod 2, so that the float block 3 can always keep a horizontal state, along with the rising of the water level, the float block 3 will rotate along with the pin shaft 9, at the same time, the float block 3 will also support the swing rod 2 to rotate along the rotating shaft 15.

[0026] The inner wall of the sewage pool 1 is provided with a limiting support at a position corresponding to below the swing rod 2, and the lower end of the swing rod 2 is clamped on the limiting support.

[0027] The limiting support comprises two mounting rods 16 fixedly connected with the inner wall of the sewage pool 1, the mounting rods 16 are provided with a connecting rib 17 therebetween, the top of the end, away from the inner wall of the sewage pool 1, of the two mounting rods 16 is provided with a vertical rod 18, and the top of the two vertical rods 18 is provided with a supporting rod 19, and the swing rod 2 is clamped on the top of the supporting rod 19.

[0028] The supporting rod 19 is provided with an inclined inclined surface, and the swing rod 2 is clamped on the inclined surface.

[0029] The working principle of the utility model is that the swing rod 2 is clamped on the supporting rod 19 of the limiting support, at this time, the float block 3 is suspended on the upper portion of the sewage pool 1, along with the rising of the water level of the sewage pool, after the sewage contacts the float block 3, the float block 3 will float on the water surface of the sewage pool, along with the continuous rising of the liquid level, the float block 3 will also move upwards along with the water level, and then the swing rod 2 rotates upwards along the rotating shaft 15, the swing rod 2 moves upwards, so that the inductive block 4 at the upper end thereof contacts the probe of the proximity switch 5 at the top of the sewage pool 1, thereby starting the proximity switch 5 and sending a signal to the control cabinet, at this time, it is proved that the water level in the sewage pool has reached the high point, the control cabinet sends a signal to control the sewage pump to start, so that the sewage in the sewage pool 1 is discharged, after the sewage is discharged, the swing rod 2 will continue to rotate downwards and thereby clamps on the supporting rod 19.

[0030] When the floating block 3 needs to be replaced, the old floating block 3 is taken off from the hinge joint 7 of the swing rod 2, then the new floating block 3 is inserted with the hinge joint 7, the mounting block 6 at the top of the floating block 3 is inserted with the slot at the bottom of the hinge joint 7, then the two are inserted with the quick-mounting pin, the telescopic spring 12 is sleeved on the pin rod 10, the telescopic spring 12 is attached to one side of the rod head 11, then the pin rod 10 with the limiting head 13 is inserted into the sliding gap 20 on the hinge joint 7, when the pin rod 10 penetrates the hinge joint 7 and the mounting block 6, the limiting head 13 slides out to the outside of the hinge joint 7 along the sliding groove formed by the sliding gap 20, at this time, the rod head 11 extrudes the telescopic spring 12, then the pin rod 10 is rotated to correspond to the position of the clamping slot, then under the elastic force of the telescopic spring 12, the limiting head 13 is inserted into the clamping slot, the elastic force of the telescopic spring 12 makes the limiting head 13 tightly inserted into the clamping slot, in this way, the floating block 3 is fixedly connected with the swing rod 2, the whole process does not need tools, and the installation and fixing work of the floating block 3 can be completed.

[0031] Embodiments of the present application are presented for the purpose of example and description only, and are not intended to be exhaustive or to limit the application to the precise forms disclosed. Many modifications and variations are possible in light of the above teachings. The embodiments were chosen and described in order to best illustrate the principles of the application and its practical application, and to thereby enable others skilled in the art to best utilize the application in various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A device for starting and stopping a sewage pump, characterized in that: The sewage tank is provided with a swing rod arranged on the upper end of the inner wall of the sewage tank, a detachable floating block arranged below the end of the swing rod away from the inner wall of the sewage tank, a sensing block arranged on the top of the swing rod corresponding to the floating block, a proximity switch arranged on the inner wall of the sewage tank corresponding to the position above the sensing block, and the probe of the proximity switch is arranged towards the sensing block. The top of the floating block is provided with a mounting block, the upper end of the mounting block is provided with a hinge joint, the hinge joint is fixedly connected with the mounting block through a quick-release pin, the lower end of the swing rod is provided with a mounting wing plate corresponding to the positions on both sides of the hinge joint, and the upper end of the hinge joint is hingedly connected with the mounting wing plate through a pin shaft.

2. The sewage pump start-stop device according to claim 1, characterized in that: The lower end of the hinge joint is provided with a slot matched with the mounting block, and the mounting block is inserted into the slot.

3. The sewage pump start-stop device according to claim 2, characterized in that: The quick-release pin comprises a pin shaft penetrating through the mounting block and the hinge joint, the two ends of the pin shaft extend to the outer sides of the hinge joint, one end of the pin shaft is provided with a head, the pin shaft is sleeved with an elastic spring at the end with the head, one end of the elastic spring abuts against the head, the other end of the elastic spring abuts against the side wall of the hinge joint, the pin shaft is provided with a protruding limiting head on the side wall away from the head, and the hinge joint and the mounting block are provided with sliding notches corresponding to the positions on one side of the pin holes of the pin shaft.

4. The sewage pump start-stop device according to claim 3, characterized in that: The hinge joint is provided with a clamping groove on the side wall on the same side as the limiting head, the limiting head is clamped in the clamping groove, and the clamping groove is arranged on the side opposite to the position of the sliding notch.

5. The sewage pump start-stop device according to claim 1, characterized in that: The inner wall of the sewage tank is provided with a mounting seat, the mounting seat is provided with a rotating shaft, the end of the swing rod away from the floating block is hingedly connected with the rotating shaft, and the inner wall of the sewage tank is further provided with a mounting plate.

6. The sewage pump start-stop device according to claim 1, characterized in that: The inner wall of the sewage tank is provided with a limiting support corresponding to the position below the swing rod, and the lower end of the swing rod abuts against the limiting support.

7. The sewage pump start-stop device according to claim 6, characterized in that: The limiting support comprises two mounting rods fixedly connected with the inner wall of the sewage tank, a connecting rib is arranged between the two mounting rods, the top of the mounting rod away from the inner wall of the sewage tank is provided with a vertical rod, and the top of the vertical rods on the two sides is provided with a supporting rod.

8. The sewage pump start-stop device according to claim 7, characterized in that: The supporting rod is provided with an inclined inclined surface, and the swing rod abuts against the inclined surface. The supporting rod is provided with an inclined inclined surface, and the swing rod abuts against the inclined surface.

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