CN214577771U

CN214577771U - Automatic starting device of standby circulating water pump

Info

Publication number: CN214577771U
Application number: CN202022691734.2U
Authority: CN
Inventors: 暴新兴; 梅燕娜; 崔红卫
Original assignee: Guangdong Xinxing Ductile Iron Pipes Co ltd
Current assignee: Guangdong Xinxing Ductile Iron Pipes Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-11-02
Anticipated expiration: 2030-11-19

Abstract

The utility model provides an automatic starting device of a standby circulating water pump, which relates to the field of standby circulating water pumps and comprises a fixed pipeline, wherein the upper surface of the fixed pipeline is threaded and connected with a connecting rod, the top end of the connecting rod is fixedly connected with a dial plate, one side inside the dial plate is provided with a pointer, the other side inside the dial plate is fixedly connected with a fixed block, the back surface of the fixed block is symmetrically and fixedly connected with two electrode holders, the two sides of the fixed pipeline are symmetrically and fixedly connected with fixed clamping blocks, the bottom ends of the two fixed clamping blocks are fixedly connected with a lower connecting block, and the two sides of the top ends of the two fixed clamping blocks are fixedly connected with an upper connecting block respectively, the utility model utilizes the design of the pointer, when the water pressure is reduced, the pointer can drive a push rod to synchronously rotate, the push rod can push a switch to rotate while rotating, when the water pressure value inside the fixed pipeline is reduced to a lower limit point, the switch can electrically connect the two electrode holders together, thereby starting the standby circulating water pump in time.

Description

Automatic starting device of standby circulating water pump

Technical Field

The utility model relates to a reserve circulating water pump technical field specifically is reserve circulating water pump's automatic start device.

Background

In the recirculated cooling water pump system, often will install reserve circulating water pump, in case the recirculated cooling water pump that often uses appears the abnormal conditions and leads to when shutting down, artificial can in time start reserve water pump.

If the common water pump is stopped due to faults and cannot be found in time by post personnel, the temperature of the condenser is rapidly increased, the explosion-proof plate is broken, the unit is finally stopped, and even water flow inside the pipeline can be leaked.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a reserve circulating water pump's automatic start device to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: automatic starting drive of reserve circulating water pump, including fixed pipeline, the upper surface screw thread interlude of fixed pipeline is connected with the connecting rod, the top fixedly connected with dial plate of connecting rod, the inside one side of dial plate is provided with the pointer, the inside opposite side fixedly connected with fixed block of dial plate, two electrode holders of the symmetrical fixedly connected with in back of fixed block, fixed fixture block, two have been cup jointed to fixed pipeline's bilateral symmetry the equal fixedly connected with in bottom of fixed fixture block connecting block, two the equal fixedly connected with in both sides on fixed fixture block top goes up the connecting block.

Preferably, a positioning screw hole is formed in the middle of one of the lower connecting blocks, a positioning screw rod is connected to the middle of the other lower connecting block in a threaded manner, and the outer wall of the positioning screw rod is in threaded connection with the inner wall of the positioning screw hole.

Preferably, wherein two go up the inside bottom fixedly connected with reset spring of connecting block, two the equal fixedly connected with gangbar in reset spring's top, two the top of gangbar all rotates and is connected with the connecting plate, two the equal fixedly connected with joint rod in one side of connecting plate lower surface, wherein another two go up the top of connecting block and all seted up the joint groove, and two the inside in joint groove is connected with the outer wall block of two joint rods respectively.

Preferably, two the arc wall has all been seted up to one side at fixed fixture block top, two the equal fixedly connected with screens piece of inner wall of arc wall, just the screens groove that corresponds each other with two screens pieces is seted up respectively to the both sides of connecting rod bottom.

Preferably, the inner wall of the dial plate is fixedly connected with a fixed rod, and the middle of the fixed rod is rotatably connected with the inside of the pointer.

Preferably, one of them the outer wall of electrode holder articulates there is the plug-in strip, the joint mouth has been seted up to one side of plug-in strip, the joint mouth corresponds each other with the outer wall of another electrode holder.

Preferably, one side of the pointer is fixedly connected with a push rod, and the push rod is made of an insulating material.

The utility model discloses a reserve circulating water pump's automatic start device, its beneficial effect who possesses as follows:

1. the utility model discloses an utilize the design of pointer, the pointer can the inside water pressure value of fixed pipeline of concrete representation, the pointer can drive the synchronous rotation that rotates of push rod when water pressure descends, can promote the plug-in strip when the push rod is rotatory, when the inside water pressure value of fixed pipeline descends the lower limit point that fixed pipeline can bear, the plug-in strip just can be in the same place two electrode holder electric connection, thereby timely start reserve circulating water pump, guarantee that the inside water pressure value of fixed pipeline is stable, the self-starting of reserve circulating water pump has been realized, it can not in time start reserve water pump and cause the phenomenon of fixed pipeline damage to have solved the staff and has taken place.

2. The utility model discloses an utilize the design of two fixed fixture blocks, the design of two fixed fixture block semi-circular arcs shape is supporting each other with fixed pipeline's outer wall to can also drive the inside in the screens groove that the block was seted up to the connecting rod side after two fixed fixture block splices together, thereby further restriction the connecting rod can not carry out axial rotation, guaranteed the top of installing at fixed pipeline that the connecting rod can be stable, make electric contact pressure gauge's work more stable going on.

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic structural view of the present invention;

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

In the figure: 1. fixing the pipeline; 2. a connecting rod; 3. a dial plate; 4. a pointer; 5. a fixed block; 6. fixing the fixture block; 7. a lower connecting block; 8. positioning a screw rod; 9. positioning a screw hole; 10. an upper connecting block; 11. a return spring; 12. a linkage rod; 13. a connecting plate; 14. a clamping and connecting rod; 15. a clamping groove; 16. an arc-shaped slot; 17. a bit block; 18. fixing the rod; 19. a push rod; 20. an electrode holder; 21. a knife switch.

Detailed Description

The embodiment of the utility model discloses an automatic starting device of a standby circulating water pump, as shown in figures 1-5, the automatic starting device comprises a fixed pipeline 1, the upper surface thread of the fixed pipeline 1 is inserted and connected with a connecting rod 2, the bottom of the connecting rod 2 is provided with an external thread, the top end of the connecting rod 2 is fixedly connected with a dial plate 3, one side inside the dial plate 3 is provided with a pointer 4, one side of the pointer 4 is fixedly connected with a push rod 19, the material of the push rod 19 is insulating material, the push rod 19 is prevented from being contacted and electrified with a switch blade 21, the inner wall of the dial plate 3 is fixedly connected with a fixed rod 18, the middle part of the fixed rod 18 is rotatably connected with the inside of the pointer 4, the connecting rod 2, the dial plate 3 and the pointer 4 jointly form an electric contact pressure gauge, the other side inside the dial plate 3 is fixedly connected with a fixed block 5, the back of the fixed block 5 is symmetrically and fixedly connected with two electrode bases 20, the outer wall of one electrode base 20 is hinged with the switch blade 21, the joint mouth has been seted up to one side of plug-in strip 21, and the joint mouth is circular-arc, and the joint mouth corresponds each other with the outer wall of another electrode holder 20, and fixed fixture block 6 has been cup jointed to fixed pipeline 1's bilateral symmetry, and two fixed fixture block 6 all are the semicircle arcuation to mutually support with fixed pipeline 1's outer wall, connecting block 7 under the equal fixedly connected with in bottom of two fixed fixture block 6, connecting block 10 on the equal fixedly connected with in both sides on 6 tops of two fixed fixture block.

The middle part of one lower connecting block 7 is provided with a positioning screw hole 9, the middle part of the other lower connecting block 7 is in threaded insertion connection with a positioning screw 8, the outer wall of the positioning screw 8 is in threaded connection with the inner wall of the positioning screw hole 9, the positioning screw 8 can fix the two lower connecting blocks 7 after being screwed into the positioning screw hole 9, the bottom ends of the two upper connecting blocks 10 are fixedly connected with return springs 11, the top ends of the two return springs 11 are fixedly connected with linkage rods 12, the top ends of the two linkage rods 12 are rotatably connected with connecting plates 13, one side of the lower surfaces of the two connecting plates 13 is fixedly connected with clamping rods 14, the top ends of the other two upper connecting blocks 10 are provided with clamping grooves 15, the interiors of the two clamping grooves 15 are respectively in clamping connection with the outer walls of the two clamping rods 14, and the clamping rods 14 clamp and fix the upper connecting blocks 10 after entering the interiors of the clamping grooves 15, thereby ensuring that the two fixed clamping blocks 6 cannot be loosened.

Arc wall 16 has all been seted up to one side at 6 tops of two fixed fixture blocks, and arc wall 16 cup joints each other with the outside of connecting rod 2, the equal fixedly connected with screens piece 17 of inner wall of two arc walls 16, and the screens groove that corresponds each other with two screens pieces 17 is seted up respectively to the both sides of 2 bottoms of connecting rod, can restrict connecting rod 2 and not carry out axial rotation after the inside in screens piece 17 card and entering screens groove.

The working principle is as follows: the utility model discloses during the use, the operator at first rotates dial plate 3 and drives connecting rod 2 and rotate and the upper surface department that the screw thread joint received fixed pipeline 1, the screw thread that has 2 bottoms up connecting rod enters into fixed pipeline 1's inside till, after confirming dial plate 3's position, the operator takes up two semicircle arcuation respectively fixed fixture block 6 mutual butt joint in fixed pipeline 1's the outside, two fixed fixture block 6 drive two 16 joints in the both sides of connecting rod 2 bottoms respectively in the time of the butt joint, two 16 joints in the arc wall drive respectively two screens piece 17 this moment and block enter into the inside in the screens groove of connecting rod 2 bottom both sides respectively.

After the position of the fixed fixture block 6 is determined, an operator firstly rotates the positioning screw rod 8 to penetrate through the middle of one lower connecting block 7 and to be in threaded connection with the positioning screw hole 9 formed in the middle of the other lower connecting block 7, the operation is stopped until the positioning screw rod 8 cannot rotate, then the operator pulls the two connecting plates 13 to move upwards respectively, the two connecting plates 13 respectively drive the linkage rod 12 to ascend along the interiors of the two upper connecting blocks 10 and stretch the extension of the reset spring 11, then the rotating connecting plates 13 rotate and drive the clamping rod 14 to align with the interiors of clamping grooves 15 formed in the top ends of the other two upper connecting blocks 10, finally the pulling force on the connecting plates 13 is relieved, the linkage rod 12 drives the connecting plates 13 to descend under the action of the reset spring 11, and the connecting plates 13 drive the clamping rod 14 to be clamped into the interiors of the clamping grooves 15 to complete installation.

If when circulating water pump unusual shut down commonly used, the inside water pressure of fixed pipeline 1 descends this moment, pointer 4 will be rotatory along the outer wall of dead lever 18, and pointer 4 drives push rod 19 synchronous rotation in the time of rotatory, and push rod 19 drives plug-in strip 21 and rotates, and after the water pressure of fixed pipeline 1 inside descends to the lower limit point that sets up, plug-in strip 21 will be in the same place two electrode holders 20 electric connection to realize starting of reserve circulating water pump, the inside water pressure of guarantee fixed pipeline 1 is stable.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Automatic starting drive of reserve circulating water pump, including fixed pipeline (1), its characterized in that: the upper surface screw thread interlude of fixed pipeline (1) is connected with connecting rod (2), the top fixedly connected with dial plate (3) of connecting rod (2), the inside one side of dial plate (3) is provided with pointer (4), the inside opposite side fixedly connected with fixed block (5) of dial plate (3), two electrode holders (20) of the symmetrical fixedly connected with in back of fixed block (5), fixed fixture block (6), two have been cup jointed to the bilateral symmetry of fixed pipeline (1) the equal fixedly connected with in bottom of fixed fixture block (6) connecting block (7) down, two the equal fixedly connected with in both sides on fixed fixture block (6) top goes up connecting block (10).

2. The automatic starting device for the backup water circulation pump according to claim 1, characterized in that: one of them the middle part of lower connecting block (7) has seted up set screw hole (9), and wherein another the middle part screw thread interlude of lower connecting block (7) is connected with set screw (8), just the outer wall of set screw (8) and the inner wall threaded connection of set screw hole (9).

3. The automatic starting device for the backup water circulation pump according to claim 1, characterized in that: wherein two go up inside bottom fixedly connected with reset spring (11) of connecting block (10), two equal fixedly connected with gangbar (12) in top of reset spring (11), two the top of gangbar (12) all rotates and is connected with connecting plate (13), two the equal fixedly connected with joint pole (14) in one side of connecting plate (13) lower surface, wherein two in addition joint groove (15) have all been seted up on the top of going up connecting block (10), and two the inside of joint groove (15) is connected with the outer wall block of two joint poles (14) respectively.

4. The automatic starting device for the backup water circulation pump according to claim 1, characterized in that: arc wall (16), two arc wall (16) have all been seted up to one side at fixed fixture block (6) top the equal fixedly connected with screens piece (17) of inner wall of arc wall (16), just the screens groove that corresponds each other with two screens pieces (17) is seted up respectively to the both sides of connecting rod (2) bottom.

5. The automatic starting device for the backup water circulation pump according to claim 1, characterized in that: the dial plate is characterized in that a fixing rod (18) is fixedly connected to the inner wall of the dial plate (3), and the middle of the fixing rod (18) is rotatably connected with the inside of the pointer (4).

6. The automatic starting device for the backup water circulation pump according to claim 1, characterized in that: one of them the outer wall of electrode holder (20) articulates there is plug-in strip (21), the joint mouth has been seted up to one side of plug-in strip (21), the joint mouth corresponds each other with the outer wall of another electrode holder (20).

7. The automatic starting device for the backup water circulation pump according to claim 1, characterized in that: one side of the pointer (4) is fixedly connected with a push rod (19), and the push rod (19) is made of an insulating material.