CN112551410A - Drain pump anti-toppling traction device for power grid system - Google Patents

Abstract

The invention provides an anti-toppling traction device of a drainage pump for a power grid system, which comprises an upper support, a lower support, a roller, a non-return wheel and a crank, wherein the roller, the non-return wheel and the crank are arranged on the upper support; the rope stabilizing device comprises a rope stabilizing frame, a rope stabilizing ring and a rope stabilizing spring for connecting the rope stabilizing frame and the rope stabilizing ring; the anti-toppling device comprises a shell and a rope tightness sensing head arranged on the shell through a groove, the rope tightness sensing head is connected with the shell through a tension spring and a push-pull device respectively, a lock hole is formed in the front end of the rope tightness sensing head, and a lock column matched with the lock hole is arranged on the shell; firstly, draining water cleanly, when the pump is dropped, once the drainage pump contacts the ground, braking is carried out immediately, the roller is not paid off, the drainage pump is erected at the bottom of the well, and the water in the well can be drained cleanly due to the fact that the water inlet of the drainage pump is arranged at the bottommost end of the drainage pump; secondly, the service life of the drainage pump is prolonged, and if the drainage pump is toppled, sludge is easy to fill and burn.

Description

Drain pump anti-toppling traction device for power grid system

Technical Field

The invention relates to the technical field of drainage in electric construction wells or deep pits, in particular to an anti-toppling traction device for a drainage pump for a power grid system, which is particularly used in an environment where water needs to be drained completely in quick maintenance or construction.

Background

A manhole well is a manhole well, is convenient for maintenance and threading in power, and a vertical channel capable of being used for people to get down is excavated every other section. Common are cable manhole, communication manhole, etc. Correspondingly, there is also a hand well. It can be analogized to a sewer line, with every other segment having a sewer line opening. During construction, the cable manhole well is used for overhauling, threading or lengthening a cable to serve as a cable head. A manhole well is preferably arranged at the turning and joint of the cable. The cable manhole position should be arranged on greenbelts and sidewalks as far as possible, if the conditions cannot be met, the manhole cover plate should be reinforced to prevent external force damage, and when the cast iron cover plate is used, anti-theft should be considered.

The maintenance especially is speedily carried out and is repaired the link, what at first do is the drainage, under present construction condition, adopts the rope to fasten the immersible pump, falls the immersible pump to the method in shaft bottom and carries out the drainage, can realize the drainage to a certain extent, nevertheless still has following problem in the use: firstly, a submersible pump (also known as a drainage pump) is too heavy, is different from a traditional agricultural submersible pump, has a very large volume, can be dragged by two workers, has a very large height-diameter ratio, and is mainly characterized by very easy dumping, very high labor intensity of workers, smooth well mouth, and risk of pulling people into a well by the submersible pump when the submersible pump is dragged, so that the submersible pump is very unsafe; secondly, the shaft bottom is a complex fluctuating ground potential surface, the ground is very uneven and the environment is complex, the environment in the shaft can not be observed by naked eyes, when the submersible pump is dropped by normal workers, the submersible pump can be tilted when dropping to the shaft bottom, the lower end of a filter screen of the submersible pump is a base, the height of the base is just less than or equal to the requirement of the depth of accumulated water in a cable well in the power construction regulation, once the submersible pump is tilted, the cable is easily damaged, the cable is leaked electricity and is very dangerous under serious conditions, and the first condition is severe tilting; normally askew during the second kind of situation, if the direction of water inlet surpassed the underground under this kind of condition, mud can be inhaled, causes the immersible pump easily to burn off, and the direction of water inlet is in side or top, and the consequence of production is that the drainage is not clean, and workman's construction is also very dangerous.

The invention patent of the publication No. CN103569893B discloses an electric power system drainage pump lifting assistor, wherein a crank is rotated to lift a drainage pump away from a baffle plate through a traction rope, a locking member between a positioning disc and a bracket is operated to lock the positioning disc and the drainage pump, then a rocker arm is rotated to pull the baffle plate through a wire roller, the locking member between the wire roller disc and the bracket is operated to lock the wire roller disc and the baffle plate, finally the locking member between the positioning disc and the bracket is unlocked, the crank is rotated reversely to slowly release the drainage pump into a fire shaft from a through hole, and finally the drainage pump is locked and electrified to drain water. However, the problem that a dropped pump topples over still cannot be solved when the device is used for dropping the pump.

Disclosure of Invention

The invention aims to solve the technical problems that a drainage pump is easy to tilt when placed in a well, the drainage is not clean firstly, and the drainage pump is easy to damage secondly.

The technical scheme of the invention is realized as follows: an anti-toppling traction device of a drainage pump for a power grid system comprises an upper support, a lower support, a roller, a non-return wheel and a crank, wherein the roller, the non-return wheel and the crank are arranged on the upper support; the rope stabilizing device comprises a rope stabilizing frame, a rope stabilizing ring and a rope stabilizing spring for connecting the rope stabilizing frame and the rope stabilizing ring; the anti-toppling device comprises a shell and a rope tightness sensing head arranged on the shell through a groove, the rope tightness sensing head is connected with the shell through a tension spring and a push-pull device respectively, a lock hole is formed in the front end of the rope tightness sensing head, a lock column matched with the lock hole is arranged on the shell, a photoelectric sensing head is arranged on the rope tightness sensing head, a photoelectric sensing switch and a relay are arranged on the outer side of the shell, close to one side of the photoelectric sensing head, and a rope line penetrates through the rope tightness sensing head and is connected with a drainage pump; the upper bracket is hinged with a swing brake block, the swing brake block is connected with an execution push-pull rod, the execution push-pull rod is externally connected with a controller, and the controller is connected with a relay.

Preferably, the upper bracket and the lower bracket are detachably connected through the screw, so that the minibus is convenient to carry and can be transported.

Preferably, one end of the roller is provided with an emergency braking device, so that the deep well dropping pump can be in an emergency sometimes, and once the emergency occurs, the emergency braking device can be started to stop the dropping pump.

Preferably, the emergency braking device comprises a friction wheel arranged at one end of the roller, a braking motor and a braking belt, one end of the braking belt is connected with the braking motor, the other end of the braking belt penetrates through the friction wheel to be connected with the upper bracket, one braking belt is quick in response, and the other braking belt is stable and reliable.

Preferably, the rope stabilizing device is connected with the upper bracket through an outer hanging spring.

Preferably, the pushing and pulling device is one of a hydraulic oil cylinder, a pneumatic push-pull rod or an electric push-pull rod.

Preferably, the lower bracket is provided with a spherical bearing and a connecting rod connected with the spherical bearing, and the connecting rod is provided with a pulling hole for pulling the moving position

When the anti-toppling device is used, the drainage pump is hung on the rope, the crank is slowly rotated, the drainage pump drops into the well from a point at the well mouth, and at the moment, the anti-toppling device only plays a role in enabling the rope to penetrate through the rope tightness induction head due to the fact that the gravity of the drainage pump is large; the effect of steady rope device is binded the fag end, the position of double spring group to the fag end is binded, first spring assembly is four steady rope springs and draws of steady becket bridle, second spring assembly draws of drawing of steady becket bridle for four outer hanging springs, at cylinder unwrapping wire or kinking in-process, the fag end can remove the position about the cylinder, steady rope device effect has reduced steady becket bridle horizontal hunting's range, for the anti-overturning device work on next step provides good basic condition, because if do not steady rope device, fag end swing range is big, the probability that anti-overturning device response was makeed mistakes when quick kinking or putting the rope will improve.

When the drain pump just contacted ground, the rope line can no longer be propped tightly, this moment under the pulling force effect of extension spring, rope elasticity inductive head pulling rope line breaks away from the position when the rope line was drawn in, the photoelectric sensing head that is located on the rope elasticity inductive head is pulled by the extension spring together, the pulling result is that the photoelectric sensing head will coincide with photoelectric sensing switch position, photoelectric sensing switch gives the relay with signal transmission this moment, the relay further gives the controller with signal transmission, controller control execution push-pull rod extension, drive swing brake block chucking non return wheel, the cylinder is found the horse and can no longer be rolled, the unwrapping wire is to this end, that is, drain pump one contacts ground, the cylinder is found the horse braking, the drain pump has just decided there and can not topple over, the switch that can open the drain pump this moment drains water, the cleanness of drainage is difficult to damage the drain pump.

When the drainage pump is pulled up after drainage is finished, the push-pull device is opened, the push-pull device extends to drive the rope tightness sensing head to move right, the lock hole is aligned with the lock column at the moment, the lock column is rotated downwards to be inserted into the lock hole, the push-pull device is closed, the photoelectric sensing head signal cannot be sensed by the photoelectric sensing switch at the moment, the push-pull rod is contracted to drive the swing brake block to be separated from the non-return wheel, the crank is rotated clockwise at the moment, the drainage pump is lifted out of the well, the action is opposite to that when the drainage pump 9 is pulled down again, the lock column is pulled out of the lock hole by reversely rotating the lock column, and at the moment, under the action of gravity of the drainage pump.

The beneficial effects of the invention are simply and incompletely summarized as follows: firstly, draining water cleanly, when the pump is dropped, once the drainage pump contacts the ground, braking is carried out immediately, the roller is not paid off, the drainage pump is erected at the bottom of the well, and the water in the well can be drained cleanly due to the fact that the water inlet of the drainage pump is arranged at the bottommost end of the drainage pump; secondly, the service life of the drainage pump is prolonged, and if the drainage pump is toppled, sludge is easy to fill and burn; thirdly, the emergency brake can be realized, and the disassembly is convenient for carrying. Has good popularization and practical value, and can generate good economic and social benefits by wide popularization and application.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a drainage pump anti-toppling traction device for a power grid system according to the present invention;

fig. 2 is a schematic view of an overall second perspective structure of the anti-toppling traction device for the drainage pump of the power grid system according to the present invention;

fig. 3 is a schematic view of a first view of an anti-tipping device of a drainage pump anti-tipping traction device for a power grid system according to the present invention;

fig. 4 is a schematic view of a second perspective view of the anti-tipping device of the drainage pump anti-tipping traction device for the power grid system according to the present invention.

Fig. 5 is an enlarged structural diagram of a portion a in fig. 1 of a drainage pump anti-toppling traction device for a power grid system according to the present invention.

Fig. 6 is an enlarged structural schematic diagram of a portion B in fig. 2 of the anti-tipping traction device for the drainage pump of the power grid system.

Fig. 7 is a schematic structural view of a rope stabilizing device of a drainage pump anti-toppling traction device for a power grid system according to the present invention.

The anti-falling device comprises an upper support 1, a lower support 2, a roller 3, a non-return wheel 4, a crank 5, a rope 6, a rope line 7, a rope stabilizing device 7, a rope stabilizing frame 7a, a rope stabilizing ring 7b, a rope stabilizing spring 7c, an anti-falling device 8, a shell 81, a groove 82, a rope tightness sensing head 83, a tension spring 84, a push-pull device 85, a lock hole 86, a lock column 87, a photoelectric sensing head 88, a photoelectric sensing switch 89, a photoelectric sensing switch 90, a relay, a drainage pump 9, a swinging brake block 10, an execution push-pull rod 11, a screw rod 12, an emergency brake device 13, a friction wheel 131, a brake motor 132, a brake belt 133 and an external hanging spring 14.

Detailed Description

For the purpose of enhancing the understanding of the present invention, the following detailed description will be made on a drainage pump anti-toppling pulling device for an electric grid system according to the present invention with reference to the examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

As shown in fig. 1 to 7, an anti-toppling traction device for a drainage pump of a power grid system comprises an upper support 1, a lower support 2, a roller 3, a non-return wheel 4 and a crank 5 which are arranged on the upper support 1, wherein a rope 6 is wound on the roller 3, the rope 6 sequentially winds a rope stabilizing device 7 and an anti-toppling device 8 and is connected with a drainage pump 9; the rope stabilizing device 7 comprises a rope stabilizing frame 7a, a rope stabilizing ring 7b and a rope stabilizing spring 7c for connecting the rope stabilizing frame 7a and the rope stabilizing ring 7 b; the anti-toppling device 8 comprises a shell 81 and a rope tightness sensing head 83 arranged on the shell 81 through a groove 82, the rope tightness sensing head 83 is connected with the shell 81 through a tension spring 84 and a push-pull device 85 respectively, a lock hole 86 is formed in the front end of the rope tightness sensing head 83, a lock column 87 matched with the lock hole 86 is arranged on the shell 81, a photoelectric sensing head 88 is arranged on the rope tightness sensing head 83, a photoelectric sensing switch 89 and a relay 90 are arranged on one side, close to the photoelectric sensing head 88, of the outer side of the shell 81, and the rope 6 penetrates through the rope tightness sensing head 83 and is connected with the drainage pump 9; a swing brake block 10 is hinged on the upper bracket 1, the swing brake block 10 is connected with an execution push-pull rod 11, a controller is connected outside the execution push-pull rod 11, and the controller is connected with a relay 90; the upper bracket 1 and the lower bracket 2 are detachably connected through a screw 12; one end of the roller 3 is provided with an emergency braking device 13; the emergency braking device 13 comprises a friction wheel 131 arranged at one end of the roller 3, a braking motor 132, a braking belt 133 with one end connected with the braking motor 132 and the other end connected with the upper bracket 1 by penetrating through the friction wheel 131; the rope stabilizing device 7 is connected with the upper bracket 1 through an outer hanging spring 14; the push-pull device 85 is a hydraulic oil cylinder, a pneumatic push-pull rod or an electric push-pull rod.

When the drainage pump 9 is hung on the rope 6, the crank 5 is slowly rotated, the drainage pump 9 falls into the well from a well head to a little, and at the moment, because the gravity of the drainage pump 9 is large, the anti-toppling device 8 only plays a role in enabling the rope 6 to pass through the rope tightness induction head 83; steady rope device 7's effect is to restrict fag end 6, the position of double spring group to fag end 6 is restricted, first spring assembly is four steady rope spring 7c to the drawing of steady rope ring 7b, second spring assembly is four outer spring 14 to the drawing of steady rope frame, at 3 unwrapping wires of cylinder or kinking in-process, fag end 6 can be on cylinder 3 the position of controlling, steady rope device 7 effect has reduced the range of steady rope ring 7b horizontal hunting, for 8 work of anti-overturning device on next step provide good basic condition, because if do not have steady rope device 7, 6 amplitude of oscillation of fag end is big, the probability that 8 responses of anti-overturning device made mistakes when quick rope woolding or putting the rope will improve.

When the drainage pump 9 just contacts the ground, the rope 6 can not be supported tightly any more, at this time, under the pulling force of the tension spring 84, the rope tightness sensing head 83 pulls the rope 6 to be separated from the position of the rope 6 when the rope is pulled in, the photoelectric sensing head 88 on the rope tightness sensing head 83 is pulled by the tension spring 84 together, as a result of the pulling, the photoelectric sensing head 88 is overlapped with the photoelectric sensing switch 89, at this time, the photoelectric sensing switch 89 transmits a signal to the relay 90, the relay 90 further transmits the signal to the controller, the controller controls the execution push-pull rod 11 to extend, the swing brake block 10 is driven to clamp the non-return wheel 4, the roller 3 can not roll immediately, the paying-off is finished, that is, as soon as the drainage pump 9 contacts the ground, the roller 3 brakes immediately, the drainage pump 9 is positioned there, the drainage pump 9 cannot topple over, at this time, the switch of the drainage pump 9 can be opened to, the drain pump 9 is not easily damaged.

When the drainage pump 9 is pulled up after drainage is finished, the push-pull device 85 is opened, the push-pull device 85 extends to drive the rope tightness sensing head 83 to move right, the lock hole 86 is aligned with the lock column 87 at the moment, the lock column 87 is rotated downwards to be inserted into the lock hole 86, the push-pull device 85 is closed, the photoelectric sensing head 88 signals cannot be sensed by the photoelectric sensing switch 89 at the moment, the push-pull rod 11 is contracted to drive the swing brake block 10 to be separated from the non-return wheel 4, the crank 5 is rotated clockwise at the moment to lift the drainage pump 9 out of the well, the action is opposite to that when the drainage pump 9 is pulled down again, the lock column 87 is rotated reversely to pull the lock column 87 out of the lock hole 86, and at the moment, under the action of gravity of the drainage pump 9, the.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. A drainage pump anti-toppling traction device for a power grid system is characterized by comprising an upper support (1), a lower support (2), a roller (3), a non-return wheel (4) and a crank (5) which are arranged on the upper support (1), wherein a rope (6) is wound on the roller (3), the rope (6) sequentially winds a rope stabilizing device (7), and an anti-toppling device (8) is connected with a drainage pump (9);

the rope stabilizing device (7) comprises a rope stabilizing frame (7a), a rope stabilizing ring (7b) and a rope stabilizing spring (7c) for connecting the rope stabilizing frame (7a) and the rope stabilizing ring (7 b);

the anti-toppling device (8) comprises a shell (81) and a rope tightness sensing head (83) arranged on the shell (81) through a groove (82), the rope tightness sensing head (83) is connected with the shell (81) through a tension spring (84) and a push-pull device (85) respectively, a lock hole (86) is formed in the front end of the rope tightness sensing head (83), a lock column (87) matched with the lock hole (86) is arranged on the shell (81), a photoelectric sensing head (88) is arranged on the rope tightness sensing head (83), a photoelectric sensing switch (89) and a relay (90) are arranged on one side, close to the photoelectric sensing head (88), of the outer side of the shell (81), and a rope (6) penetrates through the rope tightness sensing head (83) and is connected with the drainage pump (9);

the upper bracket (1) is hinged with a swing brake block (10), the swing brake block (10) is connected with an execution push-pull rod (11), the execution push-pull rod (11) is externally connected with a controller, and the controller is connected with a relay (90).

2. The anti-toppling traction device for the drainage pump of the power grid system according to claim 1, wherein the upper bracket (1) and the lower bracket (2) are detachably connected through a screw (12).

3. A drain pump anti-tip-back device for an electric grid system according to claim 2, wherein the drum (3) is provided with an emergency brake device (13) at one end.

4. A drainage pump anti-toppling traction device for an electric network system according to claim 3, wherein the emergency braking device (13) comprises a friction wheel (131) provided at one end of the drum (3), a braking motor (132), and a braking belt (133) having one end connected to the braking motor (132) and the other end connected to the upper bracket (1) through the friction wheel (131).

5. A drainage pump anti-toppling traction device for a power grid system according to claim 4, wherein the rope stabilizing device (7) is connected with the upper bracket (1) through an outer hanging spring (14).

6. A drain pump anti-toppling traction device for an electric network system according to any one of claims 1 to 4, wherein the push-pull device (85) is a hydraulic cylinder, a pneumatic push-pull rod or an electric push-pull rod.

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