CN114215728B

CN114215728B - Start-stop device of dredger pump

Info

Publication number: CN114215728B
Application number: CN202111259290.8A
Authority: CN
Inventors: 徐亚威; 李艳春; 张希; 李先兵
Original assignee: Wuhan Marine Machinery Plant Co Ltd
Current assignee: Wuhan Marine Machinery Plant Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2023-11-17
Anticipated expiration: 2041-10-28
Also published as: CN114215728A

Abstract

The disclosure provides a start-stop device of dredge pump machine, belongs to pump machine control field. The start-stop device comprises a fixing mechanism, a driving mechanism and an executing mechanism; the fixing mechanism is used for being connected with a shell of the motor to be started and stopped; the driving mechanism is connected with the fixing mechanism and is used for being in wireless connection with an intelligent control system of the dredger; the actuating mechanism is connected with the driving mechanism to drive the actuating mechanism to move relative to the fixing mechanism, and the moving direction of the actuating mechanism is towards or away from the start-stop button of the motor to press the start-stop button of the motor. The start-stop control device can conveniently start and stop the pump.

Description

Start-stop device of dredger pump

Technical Field

The disclosure belongs to the field of pump control, and in particular relates to a start-stop device of a dredge pump.

Background

The dredger is used for dredging the water channel and river silt so that other ships can pass smoothly, and is a sharp tool for blowing sand to fill the sea. The pump is the main complement of dredger. The pump is mainly used for sucking mud and discharging the sucked mud to a dredger hold or to a hydraulic reclamation area through a mud discharge pipeline so as to dredge a water channel or a river.

In the related art, the pump comprises a helical blade, a reamer and a driving motor, wherein the reamer is connected with the helical blade. The helical blade is connected with the driving motor in a transmission way so as to rotate, and the sludge is stirred and cut, so that the sludge is loosened. The helical blade and the driving motor are both positioned in the mud pumping pipe of the dredger. When the mud pumping pipe is used, the mud pumping pipe is placed under water through the lifting device, and at the moment, the spiral blade rotates to pump mud into the mud pumping pipe. When the pump is required to be controlled, the lifting device is controlled firstly, the mud pumping pipe is lifted up from the water, and then the start-stop button of the driving motor is manually pressed to start and stop the pump.

However, when the pump is started and stopped, the mud pumping pipe is lifted from the water through the lifting device to control the pump, so that the pump is inconvenient to operate and control, the pump cannot be controlled at any time, and the operation efficiency is seriously affected.

Disclosure of Invention

The embodiment of the disclosure provides a start-stop device of a dredger pump, which can start-stop control of the pump at any time. The technical scheme is as follows:

the embodiment of the disclosure provides a starting and stopping device of a dredge pump, which comprises a fixing mechanism, a driving mechanism and an executing mechanism; the fixing mechanism is used for being connected with a shell of the motor to be started and stopped; the driving mechanism is connected with the fixing mechanism and is used for being in wireless connection with an intelligent control system of the dredger; the actuating mechanism is connected with the driving mechanism to drive the actuating mechanism to move relative to the fixing mechanism, and the moving direction of the actuating mechanism is towards or away from the start-stop button of the motor to press the start-stop button of the motor.

In yet another implementation of the present disclosure, the securing mechanism includes a mounting ring and a platform; the mounting ring is provided with a notch; the platform is located in the notch, the platform is connected with the peripheral wall of the mounting ring, which is close to the notch, the driving mechanism is connected with the platform, the executing mechanism is movably connected with the platform, and the moving direction of the executing mechanism is the same as the radial direction of the mounting ring.

In yet another implementation of the present disclosure, the mounting ring includes a first half ring, a second half ring, a first resilient expansion member; the two ends of the first elastic telescopic piece are respectively connected with the first end of the first semi-ring and the first end of the second semi-ring, and the notch is positioned between the second end of the first semi-ring and the second end of the second semi-ring; the outer peripheral wall of the second end of the first semi-ring and the outer peripheral wall of the second end of the second semi-ring are respectively connected with the platform.

In yet another implementation of the present disclosure, the platform includes a support plate, at least one pair of arcuate arms, and two slide bars; a first end of any one of the arcuate arms of the at least one pair of arcuate arms being connected to the support plate, a second end of any one of the arcuate arms of the pair being connected to the mounting ring, and the arcuate arms being concentric with the mounting ring; the first end of one of the two sliding rods is connected with one side of the supporting plate, the second end of one of the two sliding rods is movably inserted into the peripheral wall of the first semi-ring, the first end of the other of the two sliding rods is connected with the other side of the supporting plate, the second end of the other of the two sliding rods is movably inserted into the peripheral wall of the second semi-ring, the two sliding rods are coaxially arranged, and a straight line where the moving direction of the sliding rod is located is tangent to a circular ring where the mounting ring is located.

In yet another implementation of the present disclosure, the mounting ring further includes a second elastic expansion member, two ends of which are connected to the second end of the first half ring and the second end of the second half ring, respectively.

In yet another implementation of the present disclosure, the securing mechanism further includes an anti-slip grommet connected to an inner peripheral wall of the mounting ring.

In yet another implementation of the present disclosure, the actuator includes a drive gear set, a rack, a travel bar, and a presser; the rack is meshed with the transmission gear set, the rack is connected with the outer wall of the moving rod close to the first end, and the pressing piece is connected with the second end of the moving rod; the movable rod is movably connected with the fixed mechanism; the transmission gear set is connected with the fixing mechanism, and the transmission gear set is in transmission connection with the driving mechanism.

In yet another implementation of the present disclosure, the drive gear set includes a half gear and two gears located on either side of an axis of the half gear; the half gear is coaxially connected with the output end of the driving mechanism, the gear and the half gear are respectively and rotatably connected with the fixing mechanism, and the half gear is configured to be meshed with one of the two gears when the half gear rotates; the racks and the moving rods are respectively two, the racks are in one-to-one correspondence with the moving rods, the racks are in one-to-one correspondence with the gears, the racks are connected with the corresponding moving rods, and the racks are meshed with the corresponding gears; the two moving rods are parallel to each other at intervals and are connected with the pressing piece.

In yet another implementation manner of the present disclosure, the executing mechanism further includes a buffering elastic member, the buffering elastic member corresponds to the moving rods one by one, the buffering elastic member is sleeved outside the corresponding moving rod, a first end of the buffering elastic member is connected with the pressing member, and a second end of the buffering elastic member is connected with the fixing mechanism.

In still another implementation manner of the disclosure, the pressing piece includes a pressing plate and a pressing protrusion, the pressing protrusion is connected with the middle part of the pressing plate and is respectively located on two opposite plate surfaces of the pressing plate with the moving rod; the pressing plate is connected with the second end of the moving rod.

The technical scheme provided by the embodiment of the disclosure has the beneficial effects that:

when the start-stop device of the dredger pump provided by the embodiment of the disclosure is used for controlling the start-stop of the dredger pump (namely, the motor for driving the pump), the start-stop device can be pre-installed on the shell of the motor to be started and stopped through the fixing mechanism because the start-stop device comprises the fixing mechanism, the driving mechanism and the executing mechanism. Moreover, as the actuating mechanism is connected with the driving mechanism, the intelligent control system of the dredger can control the state of the driving mechanism to drive the actuating mechanism to move. When the actuating mechanism faces to the start-stop button of the motor, the start-stop button of the motor can be pressed to start-stop control the motor. Therefore, the motor can be started and stopped at any time through the starting and stopping device, the operation efficiency is improved, the situation that the motor cannot be started and stopped when the mud pumping pipe is underwater, and the mud pumping pipe can only be lifted up from the underwater through the lifting device and then controlled is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic structural view of a start-stop device of a dredge pump provided in an embodiment of the present disclosure;

FIG. 2 is a schematic view of a part of a platform according to an embodiment of the disclosure;

FIG. 3 is a schematic view of a part of the start-stop device of the dredge pump provided in an embodiment of the disclosure;

fig. 4 is an enlarged view at a in fig. 3.

The symbols in the drawings are as follows:

1. a fixing mechanism; 11. a mounting ring; 110. a notch; 111. a first half ring; 1111. a first protrusion; 1112. a first chute; 112. a second half ring; 1121. a second protrusion; 1122. a second chute; 113. a first elastic expansion piece; 1131. a first elastic member; 1132. a first telescopic rod; 114. a second elastic expansion piece; 12. a platform; 121. a support plate; 122. an arc arm; 123. a slide bar; 124. a gear box; 13. an anti-slip backing ring; 131. an anti-skid groove; 14. a handle;

2. a driving mechanism;

3. an actuator; 31. a drive gear set; 311. a half gear; 312. a gear; 32. a rack; 33. a moving rod; 34. a pressing member; 341. pressing the plate; 342. pressing the bulge; 35. and a buffer elastic member.

Detailed Description

For the purposes of clarity, technical solutions and advantages of the present disclosure, the following further details the embodiments of the present disclosure with reference to the accompanying drawings.

The embodiment of the disclosure provides a start-stop device of a dredge pump, which comprises a fixing mechanism 1, a driving mechanism 2 and an executing mechanism 3 as shown in fig. 1. The fixing mechanism 1 is used for being connected with a shell of a motor to be started and stopped. The driving mechanism 2 is connected with the fixing mechanism 1. The driving mechanism 2 is used for being in wireless connection with an intelligent control system of the dredger. The actuating mechanism 3 is connected with the driving mechanism 2 to drive the actuating mechanism 3 to move relative to the fixing mechanism 1, and the moving direction of the actuating mechanism 3 is a start-stop button facing to or far away from the motor so as to press the start-stop button of the motor.

When the start-stop device of the dredger pump provided by the embodiment of the disclosure is used for controlling the start-stop of the dredger pump (namely, the motor for driving the pump), the start-stop device can be pre-installed on the shell of the motor to be started and stopped through the fixing mechanism 1 because the start-stop device comprises the fixing mechanism 1, the driving mechanism 2 and the executing mechanism 3. Moreover, because the actuating mechanism 3 is connected with the driving mechanism 2, the state of the driving mechanism 2 can be controlled by the intelligent control system of the dredger to drive the actuating mechanism 3 to move, so that when the actuating mechanism 3 faces to the start-stop button of the motor, the start-stop button of the motor can be pressed to start and stop the motor, the situation that only a lifting device can be relied on when each operation is avoided, and the operation efficiency is improved.

With continued reference to fig. 1, the securing mechanism 1 optionally includes a mounting ring 11 and a platform 12. The mounting ring 11 has a notch 110. The platform 12 is located in the notch 110, and the platform 12 is connected to both ends of the mounting ring 11. The driving mechanism 2 is connected with the platform 12, the actuating mechanism 3 is movably connected with the platform 12, and the moving direction of the actuating mechanism 3 is the same as the radial direction of the mounting ring 11.

In the above-described embodiment, the mounting ring 11 is adapted to be held tightly by its own elasticity against the housing of the motor to be started and stopped, and the platform 12 is adapted to be connected to the mounting ring 11 in order to provide a mounting base for the actuator 3 as well as for the drive mechanism 2. The notch 110 is configured to receive the platform 12 to provide a mounting space for the platform 12.

Optionally, the mounting ring 11 includes a first half ring 111, a second half ring 112, and a first elastic expansion member 113. The first elastic expansion and contraction member 113 has both ends connected to the first end of the first half ring 111 and the first end of the second half ring 112, respectively.

The notch 110 is located between the second end of the first half ring 111 and the second end of the second half ring 112. The outer peripheral wall of the second end of the first half ring 111 and the outer peripheral wall of the second end of the second half ring 112 are connected to the platform 12, respectively.

In the above implementation manner, the mounting ring 11 is set to be the first half ring 111, the second half ring 112 and the first elastic telescopic member 113, so that the mounting ring 11 can be conveniently held tightly on the housing of the motor, and meanwhile, the size of the circular ring formed between the first half ring 111 and the second half ring 112 can be adaptively adjusted through the first elastic telescopic member 113, so that the mounting ring 11 can be suitable for motors with different specifications, and the application range of the start-stop device is improved.

Optionally, the first elastic telescopic member 113 includes a first elastic member 1131 and a first telescopic rod 1132, the first elastic member 1131 is sleeved outside the first telescopic rod 1132, two ends of the first elastic member 1131 are respectively connected with the first end of the first half ring 111 and the first end of the second half ring 112, and two ends of the first telescopic rod 1132 are respectively connected with the first end of the first half ring 111 and the first end of the second half ring 112.

In the above-described implementation, the first elastic expansion and contraction member 113 is provided as the first elastic member 1131 and the first expansion and contraction rod 1132, so that the connection strength between the first half ring 111 and the second half ring 112 can be improved by the first expansion and contraction rod 1132.

Illustratively, the first resilient member 1131 is a telescoping spring.

The first telescopic rod 1132 is a telescopic rod with adjustable length, for example, a structure formed by a sliding sleeve and a sliding rod connected together by a clamping structure, which is not limited in this example, as long as the first telescopic rod 1132 can meet the telescopic connection.

Alternatively, the platform 12 includes a support plate 121, a plurality of arcuate arms 122, and two slide bars 123. The plurality of arc arms 122 are arranged in pairs, the first end of any one arc arm 122 of the two arc arms 122 in the pairs is connected with the supporting plate 121, the second end of any one arc arm 122 of the two arc arms 122 in the pairs is inserted into the peripheral wall of the mounting ring 11, and the arc arms 122 are attached to the peripheral wall of the mounting ring 11.

Fig. 2 is a schematic view of a part of a structure of a platform provided in an embodiment of the disclosure, and referring to fig. 2, a first end of one slide bar 123 of two slide bars 123 is connected to one side of a supporting plate 121, a second end of one slide bar 123 of the two slide bars 123 is movably inserted into an outer peripheral wall of a first half ring 111, a first end of another slide bar 123 of the two slide bars 123 is connected to the other side of the supporting plate 121, a second end of another slide bar 123 of the two slide bars 123 is movably inserted into an outer peripheral wall of a second half ring 112, the two slide bars 123 are coaxially arranged, and a straight line where a moving direction of the slide bar 123 is tangential to a circular ring where a mounting ring 11 is located.

In the above implementation manner, the arc-shaped arms 122 and the sliding rods 123 are respectively matched with the first half ring 111 or the second half ring 112, so that the platform 12 can be firmly connected with the first half ring 111 and the second half ring 112, and the platform 12 cannot move relative to the outer wall of the mounting ring 11.

In actual installation, the first half ring 111 and the second half ring 112 can be sleeved on the shell of the motor, and then the platform 12 is installed on the first half ring 111 and the second half ring 112 through the arc-shaped arms 122 and the sliding rods 123, so that the fixing mechanism 1 can be suitable for motors with different sizes.

Illustratively, the slide bar 123 is welded to the support plate 121 and the arcuate arm 122 is welded to the support plate 121 to provide improved structural strength to the platform 12.

Referring again to fig. 1, in the present embodiment, the number of arc arms 122 is four, and the four arc arms 122 form two pairs of arc arms 122, and the two pairs of arc arms 122 are respectively located at two sides of the axis of the two sliding rods 123.

This may allow for an improved stability of the connection between the platform 12 and the mounting ring 11.

Illustratively, the outer peripheral wall of the first half ring 111 near the second end has two first protrusions 1111, two of the four arc-shaped arms 122 are in one-to-one correspondence with the two first protrusions 1111, and two arc-shaped arms 122 of the four arc-shaped arms 122 are respectively movably inserted into the corresponding first protrusions 1111.

Similarly, the outer peripheral wall of the second half ring 112 near the second end has two second protrusions 1121, and the other two of the four arc arms 122 are in one-to-one correspondence with the two second protrusions 1121, and the other two arc arms 122 of the four arc arms 122 are respectively movably inserted into the corresponding second protrusions 1121.

The first protrusion 1111 and the second protrusion 1121 can enable the arc arm 122 to be movably inserted into the first half ring 111 and the second half ring 112, so that the arc arm 122 is convenient to be connected with the mounting ring 11.

Optionally, the outer circumferential wall of the second end of the first half ring 111 has a first sliding groove 1112, the outer circumferential wall of the second end of the second half ring 112 has a second sliding groove 1122, a straight line where the extending direction of the first sliding groove 1112 is tangential to the outer circumferential wall of the first half ring 111, a straight line where the extending direction of the second sliding groove 1122 is tangential to the outer circumferential wall of the second half ring 112, and the extending directions of the first sliding groove 1112 and the second sliding groove 1122 are the same. One of the two slide bars 123 is movably inserted into the first slide groove 1112, and the other of the two slide bars 123 is movably inserted into the second slide groove 1122.

This facilitates the movable connection of the two slide bars 123 to the first half-ring 111 and the second half-ring 112, respectively.

Fig. 3 is a schematic structural diagram of a start-stop device of a dredger pump according to an embodiment of the disclosure, and in conjunction with fig. 3, optionally, the mounting ring 11 further includes a second elastic telescopic member 114, and two ends of the second elastic telescopic member 114 are respectively connected to the second end of the first half ring 111 and the second end of the second half ring 112.

In the above implementation manner, the second elastic expansion piece 114 is configured to elastically connect the second end of the first half ring 111 and the second end of the second half ring 112, so that the connection portion of the first half ring 111 and the second half ring 112 can expand and contract, and the circumferential sizes of the first half ring 111 and the second half ring 112 can be conveniently adjusted.

In this embodiment, the structures of the second elastic expansion element 114 and the first elastic expansion element 113 are identical, and will not be described again.

Illustratively, the second elastic telescopic member 114 is located in the notch 110, and the telescopic direction of the second elastic telescopic member 114 is the same as the moving direction of the sliding rod 123. This enables the relative space between the first half ring 111 and the second half ring 112 to be enlarged by the expansion and contraction of the second elastic expansion and contraction member 114, thereby mounting the slide bar 123 and the arc-shaped arm 122 on the mounting ring 11.

Illustratively, along the expansion and contraction direction of the second elastic expansion and contraction member 114, the centers of the supporting plate 121 and the mounting ring 11 are located on both sides of the second elastic expansion and contraction member 114, respectively. This allows the mounting ring 11 to be connected to both the second resilient telescopic member 114 and the platform 12 without interfering with each other.

Referring again to fig. 1, the securing mechanism 1 optionally further comprises a slip resistant grommet 13, the slip resistant grommet 13 being connected to the inner peripheral wall of the mounting ring 11.

The anti-slip backing ring 13 serves to increase friction between the inner peripheral wall of the mounting ring 11 and the housing of the motor to prevent the mounting ring 11 from slipping relative to the housing of the motor. Meanwhile, the motor of the suit can be elastically buffered and protected.

Alternatively, the inner peripheral wall of the anti-slip grommet 13 has a plurality of anti-slip grooves 131 arranged at intervals, and the extending direction of the anti-slip grooves 131 is parallel to the axis of the anti-slip grommet 13.

In the above implementation manner, the design of the anti-slip groove 131 can further increase the friction between the inner peripheral wall of the mounting ring 11 and the housing of the motor, so as to improve the stability of the fixing mechanism 1 sleeved on the motor.

In this embodiment, in order to facilitate the installation of the first half ring 111 and the second half ring 112 on the motor, the mounting ring 11 further includes two handles 14, one handle 14 of the two handles 14 is connected to the outer peripheral wall of the first half ring 111, and the other handle 14 of the two handles 14 is connected to the outer peripheral wall of the second half ring 112.

Illustratively, the outer wall of the handle 14 is covered with a resilient plastic sleeve. The design of the elastic plastic sleeve can enhance the use comfort.

In this embodiment, the driving mechanism 2 is a wireless short-time small motor. The wireless short-time small motor means that the motor can work in a set time. For example, the set time is not less than the time corresponding to the pressing of the start/stop button by the actuator 3. Therefore, the driving mechanism 2 can automatically stop working after the start-stop button is pressed by the driving executing mechanism 3, and the driving mechanism 2 is prevented from being used for a long time. The above set time may be 1min, 3min, or the like.

In the above described implementation, the driving mechanism 2 is a wireless motor, so that the driving motor can be controlled by the intelligent control system of the dredger to control the actuator 3.

Illustratively, the drive mechanism 2 is coupled to the support plate 121.

In this embodiment, the intelligent control system of the dredger is arranged in a cabin of the dredger, such as a control room of the cabin.

With continued reference to fig. 3, the actuator 3 optionally includes a drive gear set 31, a rack 32, a travel bar 33, and a presser 34. The rack 32 is meshed with the transmission gear set 31, the rack 32 is connected with the outer wall of the first end of the moving rod 33, and the pressing piece 34 is connected with the second end of the moving rod 33;

the movable rod 33 is movably connected with the fixed mechanism 1, the transmission gear set 31 is connected with the fixed mechanism 1, and the transmission gear set 31 is in transmission connection with the driving mechanism 2.

In the above implementation manner, the driving mechanism 2 drives the driving gear set 31 to rotate, the driving gear set 31 can drive the rack 32 to lift, and the rack 32 can drive the moving rod 33 and the pressing piece 34 to move while lifting, so that the pressing piece 34 can press the start-stop button of the motor.

Alternatively, the drive gear set 31 includes a half gear 311 and two gears 312, the two gears 312 being located on either side of the axis of the half gear 311. The half gear 311 is coaxially connected to the output end of the driving mechanism 2, and the gears 312 and the half gear 311 are rotatably connected to the fixing mechanism 1, respectively, and the half gear 311 is configured such that the half gear 311 is meshed with one of the two gears 312 when the half gear 311 is rotated. The number of the racks 32 and the number of the moving rods 33 are two, the racks 32 are in one-to-one correspondence with the moving rods 33, the racks 32 are in one-to-one correspondence with the gears 312, the racks 32 are connected with the corresponding moving rods 33, and the racks 32 are meshed with the corresponding gears 312. The two moving rods 33 are spaced apart from each other in parallel and are connected to the pressing member 34.

In the above implementation manner, the half gear 311 is meshed with one of the two gears 312, so that the two gears 312 can move oppositely in sequence, and further the two moving rods 33 and the pressing piece 34 move downwards and upwards, and further the pressing and releasing of the motor button are realized.

In actual use, when the power failure needs to be started, the driving mechanism 2 can be controlled to rotate for one circle, and at this moment, the half gear 311 rotates to drive the gear 312 engaged with one side to rotate, so as to drive the rack 32 engaged with the gear 312 to move downwards, and simultaneously drive the moving rod 33 and the pressing piece 34 to provide pressing force for the button. Then, the half gear 311 is meshed with the other gear 312 again to rotate, and drives the other moving rod 33 and the pressing piece 34 to move upwards after being pressed, so that the start and stop of the motor pump are finally realized.

The half gear 311 described above is an incomplete gear, i.e. the half gear 311 has teeth on only half of the circumference and no teeth on the other half of the circumference. This enables the half gear 311 to be disengaged from one of the gears 312 when engaged with the other gear 312. That is, the half gear 311 can only mesh with one of the two gears 312 at the same time.

Referring again to fig. 1, in the present embodiment, the platform 12 further includes a gear box 124, where the gear box 124 is connected to one surface of the support plate 121, and the gear box 124 and the pressing member 34 are respectively located on two opposite surfaces of the support plate 121. The drive mechanism 2 is located outside the gearbox 124. The half gear 311 is rotatably connected to the inside of the gear case 124, and the rotation shaft of the half gear 311 is coaxially connected to the output end of the driving mechanism 2, two gears 312 are respectively located at both sides of the half gear 311, and two gears 312 are rotatably connected to the inside of the gear case 124.

By providing the gear box 124, the mounting of the half gear 311 and the gear 312 can be facilitated.

Fig. 4 is an enlarged view of a portion a in fig. 3, and in combination with fig. 4, alternatively, the pressing member 34 includes a pressing plate 341 and a pressing protrusion 342, the pressing protrusion 342 is connected to a middle portion of the pressing plate 341 and is located on opposite plate surfaces of the pressing plate 341 with the moving rod 33, respectively. The pressing plate 341 is connected to the second end of the moving lever 33.

In the above-described implementation, the pressing piece 34 is provided as the pressing plate 341 and the pressing protrusion 342, so that the pressing efficiency of the pressing piece 34 to the start-stop button of the motor can be improved.

Optionally, the executing mechanism 3 further includes buffer elastic members 35, the buffer elastic members 35 are in one-to-one correspondence with the moving rods 33, and the buffer elastic members 35 are sleeved outside the corresponding moving rods 33, a first end of each buffer elastic member 35 is connected with the pressing member 34, and a second end of each buffer elastic member 35 is connected with the fixing mechanism 1.

In the above implementation manner, the buffer elastic member 35 is provided to buffer the pressing member 34 when the two moving rods 33 move up and down to drive the pressing member 34 to press the release button, so that the pressing moderation is improved to a certain extent, and the motor to be started and stopped is protected.

The working process of the start-stop device of the dredge pump provided by the embodiment of the disclosure is briefly described below:

when in use, a user holds the two handles 14 and pulls the first half ring 111 and the second half ring 112, so that the first half ring 111 and the second half ring 112 can be sleeved on the circumferential surface of the motor in a telescopic fit manner, and the pressing plate 341 can face to the start-stop button of the motor.

The drive mechanism 2 is then controlled by the intelligent system connection of the dredger.

When the motor needs to be started or stopped, the driving mechanism 2 is controlled to rotate for one circle, the half gear 311 rotates to drive the gear 312 engaged with one side to rotate, and then the rack 32 engaged with the gear 312 is driven to move downwards, so that the moving rod 33 and the pressing plate 341 connected with the moving rod 33 are driven to provide the pressing force for the button. The half gear 311 is meshed with the other gear 312 to realize rotation, and drives the movable rod 33 and the pressing plate 341 to move upwards after being pressed, and finally, the start and stop of the motor pump are realized.

The device is designed into the annular fixing mechanism 1, the controllable pressing piece 34 is designed and installed in the device, the meshing transmission of the half gear 311 and the two gears 312 is utilized to realize the non-contact start and stop of the sleeved motor, and the operation is simple and convenient.

The foregoing description of the preferred embodiments of the present disclosure is provided for the purpose of illustration only, and is not intended to limit the disclosure to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, alternatives, and alternatives falling within the spirit and principles of the disclosure.

Claims

1. The starting and stopping device of the dredger pump is characterized by comprising a fixing mechanism (1), a driving mechanism (2) and an executing mechanism (3);

the fixing mechanism (1) is used for being connected with a shell of a motor to be started and stopped, the fixing mechanism (1) comprises a mounting ring (11) and a platform (12), the mounting ring (11) is provided with a notch (110), the mounting ring (11) comprises a first semi-ring (111), a second semi-ring (112) and a first elastic telescopic piece (113), two ends of the first elastic telescopic piece (113) are respectively connected with a first end of the first semi-ring (111) and a first end of the second semi-ring (112), the notch (110) is positioned between a second end of the first semi-ring (111) and a second end of the second semi-ring (112), the outer peripheral wall of the second end of the first semi-ring (111) and the outer peripheral wall of the second end of the second semi-ring (112) are respectively connected with the platform (12), the platform (12) is positioned in the notch (110), the driving mechanism (2) is connected with the platform (12), the actuating mechanism (3) is movably connected with the platform (12), the platform (12) comprises a supporting plate (121), at least one pair of arc-shaped arms (122) and two sliding rods (123), any one of the arc-shaped arms (122) in the at least one pair of arc-shaped arms (122) is connected with the supporting plate (121) at the first end of the arc-shaped arm (122), -a second end of any one of said arcuate arms (122) of each pair of arcuate arms (122) is connected to said mounting ring (11), and said arcuate arms (122) are concentric with said mounting ring (11); a first end of one (123) of the two slide bars (123) is connected with one side of the supporting plate (121), a second end of one (123) of the two slide bars (123) is movably inserted in the outer peripheral wall of the first semi-ring (111), a first end of the other (123) of the two slide bars (123) is connected with the other side of the supporting plate (121), a second end of the other (123) of the two slide bars (123) is movably inserted in the outer peripheral wall of the second semi-ring (112), the two slide bars (123) are coaxially arranged, and a straight line of the moving direction of the slide bars (123) is tangential to a circular ring of the mounting ring (11);

the driving mechanism (2) is connected with the fixing mechanism (1), and the driving mechanism (2) is used for being in wireless connection with an intelligent control system of the dredger;

the actuating mechanism (3) is connected with the driving mechanism (2) so as to drive the actuating mechanism (3) to move relative to the fixing mechanism (1), the moving direction of the actuating mechanism (3) is towards or away from a start-stop button of the motor so as to press the start-stop button of the motor, and the moving direction of the actuating mechanism (3) is the same as the radial direction of the mounting ring (11).

2. The start-stop device according to claim 1, characterized in that the mounting ring (11) further comprises a second elastic telescopic member (114), both ends of the second elastic telescopic member (114) being connected to the second end of the first half-ring (111) and the second end of the second half-ring (112), respectively.

3. Start-stop device according to claim 1, characterized in that the securing means (1) further comprise an anti-slip grommet (13), the anti-slip grommet (13) being connected to the inner peripheral wall of the mounting ring (11).

4. A start-stop device according to any one of claims 1-3, characterized in that the actuator (3) comprises a drive gear set (31), a rack (32), a moving rod (33) and a pressing member (34);

the rack (32) is meshed with the transmission gear set (31), the rack (32) is connected with the outer wall of the moving rod (33) close to the first end, and the pressing piece (34) is connected with the second end of the moving rod (33);

the moving rod (33) is movably connected with the fixed mechanism (1);

the transmission gear set (31) is connected with the fixing mechanism (1), and the transmission gear set (31) is in transmission connection with the driving mechanism (2).

5. The start-stop device according to claim 4, characterized in that the transmission gear set (31) comprises a half-gear (311) and two gears (312), said two gears (312) being located on either side of the axis of the half-gear (311);

the half gear (311) is coaxially connected with the output end of the driving mechanism (2), the gear (312) and the half gear (311) are respectively and rotatably connected with the fixing mechanism (1), and the half gear (311) is configured such that when the half gear (311) rotates, the half gear (311) is meshed with one of the two gears (312);

the number of the racks (32) and the number of the moving rods (33) are two, the racks (32) are in one-to-one correspondence with the moving rods (33), the racks (32) are in one-to-one correspondence with the gears (312), the racks (32) are connected with the corresponding moving rods (33), and the racks (32) are meshed with the corresponding gears (312);

the two moving rods (33) are parallel to each other at intervals and are connected with the pressing piece (34).

6. The start-stop device according to claim 4, wherein the actuating mechanism (3) further comprises buffer elastic members (35), the buffer elastic members (35) are in one-to-one correspondence with the moving rods (33), the buffer elastic members (35) are sleeved outside the corresponding moving rods (33), a first end of each buffer elastic member (35) is connected with the corresponding pressing member (34), and a second end of each buffer elastic member (35) is connected with the corresponding fixing mechanism (1).

7. The start-stop device according to claim 4, characterized in that the pressing member (34) comprises a pressing plate (341) and a pressing projection (342),

the pressing bulge (342) is connected with the middle part of the pressing plate (341) and is respectively positioned on two opposite plate surfaces of the pressing plate (341) with the moving rod (33);

the pressing plate (341) is connected to the second end of the moving rod (33).