A water pump replacement auxiliary support

Abstract

The application relates to a water pump replacement auxiliary support, belonging to the field of water pump replacement auxiliary equipment, which comprises a support frame, the support frame is arranged above a water pump, a base for supporting a pipeline is arranged below the support frame, two groups of clamping pieces for clamping the water pump are arranged at the upper end of the base, the clamping pieces are arranged at the two ends of the base, the support frame is provided with four groups of connecting assemblies for connecting the clamping pieces, the connecting assemblies are movably connected with the clamping pieces, and the support frame is connected with a conveying mechanism for driving the connecting assemblies to move transversely along the axial direction of the water pump. The application has the effect of reducing labor cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of water pump replacement auxiliary equipment, in particular to a water pump replacement auxiliary support. BACKGROUND

[0002] At present, the boiler feed water pump is an important auxiliary equipment produced by the company, which needs regular maintenance. Due to the importance of the equipment, the company stipulates that the standby time of important equipment must be less than 72 hours, and another same feed water pump needs to be used as a maintenance standby.

[0003] When replacing the water pump, a lifting platform needs to be used to move the pump, and then the feed water pump needs to be replaced.

[0004] For the above related technology, the existing water pump replacement platform needs the staff to bind the rope to the water pump to be replaced, and then start the lifting equipment to move the water pump horizontally. In the existing workshop, there are many devices and the gap between the workshops is narrow, so it is not easy for the staff to fix the rope to the water pump. At the same time, when the staff work, the space in the middle of the water pump is small and easy to collide, which increases the labor cost and increases the working intensity of the staff. SUMMARY

[0005] In order to reduce labor cost and reduce the working intensity of the staff, the present application provides a water pump replacement auxiliary support.

[0006] The present application provides a water pump replacement auxiliary support, which adopts the following technical scheme:

[0007] A water pump replacement auxiliary support, comprising a support frame, the support frame is arranged above the water pump, a base for supporting the pipeline is arranged below the support frame, two sets of clamping pieces for clamping the water pump are arranged at the upper end of the base, the clamping pieces are arranged at both ends of the base, the support frame is provided with four sets of connecting assemblies for connecting the clamping pieces, the connecting assemblies are movably connected with the clamping pieces, and the support frame is connected with a conveying mechanism for driving the connecting assemblies to move horizontally along the axial direction of the water pump.

[0008] By adopting the above technical scheme, the staff pushes the base to the lower side of the water pump, the clamping pieces above the base clamp the water pump, the connecting assemblies connect the clamping pieces, which is conducive to reducing the staff's operation of connecting the water pump, and then starting the conveying mechanism to convey the water pump, which is conducive to reducing the staff's fixing of the water pump, reducing labor cost and reducing the working intensity of the staff.

[0009] Optionally, the clamping piece comprises a support plate for supporting the water pump, two clamping plates for clamping the water pump, and two driving assemblies for driving the clamping plates to extend out of the support plate, the driving assemblies are arranged in the support plate, the clamping plates are arranged at both sides of the support plate, the clamping plates are movably connected with the support plate, the clamping plates are vertically arranged, and the support plate is movably connected with the upper end surface of the base.

[0010] By adopting the technical scheme, the support plate supports the water pump, when the support plate moves horizontally to the lower side of the water pump, the driving assembly drives the clamping plate to extend out of the support plate, thereby clamping the water pump, when the water pump is not clamped, the clamping plate is located in the support plate, thereby facilitating horizontal movement into a narrow space, when the water pump is transported, the support plate is separated from the base, thereby facilitating reduction of the burden on the conveying mechanism and improvement of the service life of the conveying mechanism.

[0011] Optionally, the two clamping plates are fixedly connected with elastic layers, and the elastic layers are movably connected with the water pump.

[0012] By adopting the technical scheme, the elastic layer is in contact with the water pump, thereby facilitating reduction of the phenomenon of extrusion damage of the clamping plate and the water pump.

[0013] Optionally, the driving assembly comprises a rotating gear and a driving rack, the rotating gear is rotatably connected in the support plate, the driving rack is fixedly connected to the lower end of the clamping plate, the driving rack is vertically arranged, and the driving rack is in mesh with the rotating gear.

[0014] By adopting the technical scheme, when the water pump needs to be clamped, the rotating gear rotates, the rotating gear drives the driving rack to rise, the driving rack drives the clamping plate to extend out of the support plate, thereby making the extension process of the clamping plate more convenient.

[0015] Optionally, the conveying mechanism comprises a horizontal plate and a driving lead screw for driving the horizontal plate to move horizontally, one side of the horizontal plate is threadedly connected with the driving lead screw, the driving lead screw extends along the length direction of the support frame, the driving lead screw is rotatably connected with the support frame, both sides of the horizontal plate are slidably connected with the support frame, and the upper end surface of the horizontal plate is provided with a lifting piece for lifting the connecting assembly.

[0016] By adopting the technical scheme, the lifting piece lifts the connecting assembly, the horizontal plate supports the lifting piece, the connecting assembly drives the support plate to rise, the support plate drives the water pump to rise, thereby lifting the water pump, the driving lead screw rotates, drives the horizontal plate to move horizontally, thereby driving the water pump to move horizontally, and the process of replacing the water pump is more convenient.

[0017] Optionally, the lifting piece comprises a connecting frame and a driving oil cylinder for driving the connecting frame to rise and fall, the driving oil cylinder is fixedly connected to the upper end surface of the horizontal plate, the piston rod of the driving oil cylinder is fixedly connected with the connecting frame, the connecting frame is horizontally arranged, and the connecting frame is connected with the connecting assembly.

[0018] By adopting the technical scheme, the horizontal plate supports the driving oil cylinder, the driving oil cylinder is started, the piston rod of the driving oil cylinder drives the connecting frame to descend, thereby the connecting frame is connected with the support plate through the connecting assembly, and the process of lifting the water pump is more convenient.

[0019] Optionally, the connecting assembly comprises a plug-in rod, a push cylinder and a linkage rack, the linkage rack is fixedly connected to one side of the plug-in rod and vertically arranged, the upper end of the plug-in rod is fixedly connected with the connecting frame, the linkage rack is engaged with the side of the rotating gear away from the driving rack, the push cylinder is arranged in the support plate, the piston rod of the push cylinder is fixedly connected with a connecting rod, the connecting rod and the push cylinder are both horizontally arranged, the plug-in rod is provided with a through hole for the connecting rod to pass through, and the connecting rod is movably connected to the through hole of the plug-in rod.

[0020] By adopting the above technical scheme, the connecting frame is lowered to drive the plug-in rod to be lowered, the plug-in rod is inserted into the support plate, the plug-in rod is lowered to drive the linkage rack to be lowered, the linkage rack drives the rotating gear to rotate, and then the plug-in rod is lowered to drive the clamping plate to clamp the water pump, thereby improving the overall conveying efficiency. When the plug-in rod is inserted into the support plate, the push cylinder is started, the piston rod of the push cylinder drives the connecting rod to move transversely, the connecting rod passes through the through hole of the plug-in rod, and then the process of connecting the support plate and the plug-in rod is more convenient.

[0021] Optionally, the support plate is provided with a plug-in slot for the plug-in rod to extend into, the plug-in rod is slidably connected in the plug-in slot of the support plate, and the support plate is provided with a detection control circuit, the detection control circuit comprising an induction module, a comparison module and a control module.

[0022] The induction module comprises a pressure sensor arranged in the plug-in slot of the support plate, and the pressure sensor is used for sensing the pressure of the plug-in rod and outputting an induction signal.

[0023] The comparison module is electrically connected with the induction module, and the comparison module is used for receiving the induction signal of the induction module. When the comparison module receives the induction signal, the voltage value corresponding to the induction signal is compared with a preset voltage value. If the voltage value of the induction signal is greater than the preset voltage value, the comparison module outputs a starting signal.

[0024] The control module is electrically connected with the comparison module, and the control module is used for receiving the starting signal of the comparison module. When the control module receives the starting signal, a control signal is outputted, and the control signal controls the piston rod of the push cylinder to be stretched.

[0025] By adopting the above technical scheme, the induction module senses the pressure of the plug-in rod and outputs an induction signal, the comparison module receives the induction signal, the comparison module compares the voltage value of the received induction signal with a preset voltage value, and if the voltage value corresponding to the induction signal is greater than the preset voltage value, a starting signal is outputted. The control module receives the starting signal and outputs a control signal, and the control signal controls the piston rod of the push cylinder to be stretched, thereby reducing the phenomenon that the staff controls the connection of the plug-in rod.

[0026] In summary, the present application has at least one of the following beneficial technical effects of the water pump replacement auxiliary support:

[0027] The staff pushes the base under the water pump, the clamping piece above the base clamps the water pump, and the connecting assembly connects the clamping piece, thereby facilitating the staff to operate the water pump, and then starting the conveying mechanism to convey the water pump, thereby facilitating the staff to fix the water pump, reducing labor cost, and reducing the working intensity of the staff. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of a water pump replacement auxiliary support.

[0029] Figure 2 It is a schematic diagram of the structure of the highlighted lifting piece.

[0030] Figure 3 It is Figure 2 An enlarged schematic diagram of part A.

[0031] Figure 4 It is a schematic diagram of the structure of the sensing module, the comparison module, and the control module of the present application.

[0032] Reference signs: 1, support mechanism; 11, base; 12, clamping piece; 13, sliding rail; 14, rotating wheel; 121, support plate; 122, clamping plate; 15, driving assembly; 123, elastic layer; 151, rotating gear; 152, driving rack; 2, connecting mechanism; 21, lifting piece; 22, connecting assembly; 211, connecting frame; 212, driving oil cylinder; 221, plug-in rod; 222, push cylinder; 223, linkage rack; 224, connecting rod; 4, sensing module; 5, comparison module; 6, control module; 41, pressure sensor; 3, conveying mechanism; 31, support frame; 32, cross plate; 33, driving lead screw; 34, driving motor. DETAILED DESCRIPTION

[0033] The present application will be further described in detail below in combination with all the drawings.

[0034] The present application discloses a water pump replacement auxiliary support.

[0035] Referring to Figure 1 and Figure 2 , a water pump replacement auxiliary support includes a support mechanism 1, a connecting mechanism 2, and a conveying mechanism 3. The support mechanism 1 supports the water pump, the connecting mechanism 2 connects the conveying mechanism 3 and the support mechanism 1, and the conveying mechanism 3 drives the water pump to move horizontally, thereby facilitating the replacement of the water pump.

[0036] Referring to Figure 1 and Figure 2The supporting mechanism 1 comprises a base 11 and two groups of clamping pieces 12, the lower end surface of the base 11 is slidably connected with a slide rail 13, the lower end of the base 11 is rotatably connected with a rotating wheel 14, the rotating wheel 14 is engaged with the slide rail 13, the slide rail 13 is vertically arranged along the water pump axis, the clamping pieces 12 are arranged at the two ends of the base 11, the clamping pieces 12 comprise a supporting plate 121, two clamping plates 122 and two driving assemblies 15, the supporting plate 121 is movably connected with the upper end surface of the base 11, the supporting plate 121 is horizontally arranged, the two clamping plates 122 are vertically arranged at the two ends of the supporting plate 121, the supporting plate 121 is provided with two cavities, the clamping plates 122 are slidably connected in the cavities of the supporting plate 121, the clamping plates 122 are fixedly connected with elastic layers 123, the driving assemblies 15 comprise rotating gears 151 and driving racks 152, the driving racks 152 are fixedly connected with the lower ends of the clamping plates 122, the driving racks 152 are vertically arranged, the rotating gears 151 are rotatably connected in the supporting plate 121, and the driving racks 152 are engaged with the rotating gears 151.

[0037] With reference to Figure 1 and Figure 2 , the base 11 is horizontally moved to the lower side of the water pump along the slide rail 13 through the rotating wheel 14, the connecting flange between the water pump and the pipeline is disassembled, then the base 11 supports the water pump, the supporting plate 121 supports the water pump at the same time, at this time, the rotating gears 151 are rotated, the rotating gears 151 drive the driving racks 152 to rise, the driving racks 152 drive the clamping plates 122 to extend out of the supporting plate 121, then the water pump is clamped, when the water pump is not clamped, the clamping plates 122 are located in the supporting plate 121, then the horizontal movement to the narrow space is facilitated, when the water pump is conveyed, the supporting plate 121 is separated from the base 11, then the burden on the conveying mechanism 3 is reduced, the service life of the conveying mechanism 3 is prolonged, and the elastic layers 123 are in contact with the water pump, then the phenomenon that the clamping plates 122 and the water pump are extruded and damaged is reduced.

[0038] With reference to Figure 2 and Figure 3The connecting mechanism 2 comprises a lifting piece 21 and four sets of connecting assemblies 22. The lifting piece 21 comprises a connecting frame 211 and a driving oil cylinder 212. The driving oil cylinder 212 is vertically arranged above the water pump. The piston rod of the driving oil cylinder 212 is fixedly connected with the connecting frame 211. The connecting frame 211 is horizontally arranged. The connecting assembly 22 comprises a plug-in rod 221, a propelling cylinder 222 and a linkage rack 223. The linkage rack 223 is fixedly connected with one side of the plug-in rod 221 and vertically arranged. The upper end of the plug-in rod 221 is fixedly connected with the connecting frame 211. The linkage rack 223 is engaged with the side of the rotating gear 151 away from the driving rack 152. The propelling cylinder 222 is arranged in the support plate 121. The piston rod of the propelling cylinder 222 is fixedly connected with a connecting rod 224. The connecting rod 224 and the propelling cylinder 222 are both horizontally arranged. The plug-in rod 221 is provided with a through hole for the connecting rod 224 to pass through. The connecting rod 224 is movably connected with the through hole of the plug-in rod 221.

[0039] With reference to Figure 2 and Figure 3 , when the water pump needs to be lifted, the driving oil cylinder 212 is started. The piston rod of the driving oil cylinder 212 is stretched to drive the connecting frame 211 to descend. The connecting frame 211 drives the plug-in rod 221 to descend. The plug-in rod 221 is plugged into the support plate 121. At the same time, the plug-in rod 221 is lowered to drive the linkage rack 223 to descend. The linkage rack 223 drives the rotating gear 151 to rotate. In turn, the plug-in rod 221 is lowered to drive the clamping plate 122 to clamp the water pump. In turn, it is favorable to improve the overall conveying efficiency. When the plug-in rod 221 is inserted into the support plate 121, the propelling cylinder 222 is started. The piston rod of the propelling cylinder 222 drives the connecting rod 224 to move horizontally. The connecting rod 224 passes through the through hole of the plug-in rod 221. In turn, the process of connecting the support plate 121 and the plug-in rod 221 is more convenient. In turn, it is favorable to reduce the staff to fix the water pump, reduce the labor cost and reduce the working intensity of the staff.

[0040] With reference to Figure 2 and Figure 4 , the support plate 121 is provided with a plug-in slot. The plug-in rod 221 is slidably connected in the plug-in slot of the support plate 121. The support plate 121 is provided with a detection control circuit. The detection control circuit comprises an induction module 4, a comparison module 5 and a control module 6.

[0041] The induction module 4 comprises a pressure sensor 41. The pressure sensor 41 is arranged in the plug-in slot of the support plate 121. The pressure of the plug-in rod 221 is sensed by the pressure sensor 41. When the pressure sensor 41 senses the pressure, an induction signal is output.

[0042] The comparison module 5 comprises:

[0043] A comparator T. The positive input end of the comparator T is electrically connected with the output end of the pressure sensor 41.

[0044] a triode Q, a base of the triode Q is electrically connected with an output end of the comparator T;

[0045] a resistor R1, one end of the resistor R1 is electrically connected with a collector of the triode Q, and the other end of the resistor R1 is electrically connected with a power supply VCC;

[0046] an electromagnetic coil KA1 of a relay, one end of the electromagnetic coil KA1 of the relay is electrically connected with an emitter of the triode Q;

[0047] a resistor R2, one end of the resistor R2 is electrically connected with the electromagnetic coil KA1 of the relay and away from the triode Q, and the other end of the resistor R2 is grounded;

[0048] a control module 6, comprising:

[0049] an always-on switch KA1-1 of a relay, one end of the always-on switch KA1-1 of the relay is electrically connected between the electromagnetic coil KA1 of the relay and the resistor R2;

[0050] a propelling cylinder 222, one end of the propelling cylinder 222 is electrically connected with the always-on switch KA1-1 of the relay and away from the resistor R2;

[0051] a resistor R3, one end of the resistor R3 is electrically connected with the propelling cylinder 222 and away from the always-on switch KA1-1 of the relay, and the other end of the resistor R3 is grounded.

[0052] Referring to Figure 2 and Figure 4 , the plug-in rod 221 is lowered along the plug-in slot, the plug-in rod 221 extrudes the pressure sensor 41, when the pressure sensor 41 senses pressure, an induction signal is output, the comparator T receives the induction signal, compares the voltage value corresponding to the induction signal with a preset voltage value, when the voltage value corresponding to the induction signal is greater than the preset voltage value, a starting signal is output, the control module 6 receives the starting signal, outputs a control signal, controls the piston rod of the propelling cylinder 222 to stretch, and then the connecting rod 224 is plugged into the through hole of the plug-in rod 221, which is beneficial to reduce the phenomenon that the staff controls the plug-in rod 221.

[0053] Referring to Figure 2 and Figure 3The conveying mechanism 3 comprises a support frame 31, a cross plate 32, a drive screw 33 and a drive motor 34, the support frame 31 is horizontally arranged above the base 11, the cross plate 32 is slidably connected with the support frame 31 at two sides, the drive screw 33 is arranged along the length direction of the support frame 31, the drive screw 33 is rotatably connected with the support frame 31, the drive motor 34 is fixedly connected with the support frame 31, the output shaft of the drive motor 34 is coaxially connected with the drive screw 33, the drive oil cylinder 212 is arranged on the upper end surface of the cross plate 32, the cross plate 32 supports the drive oil cylinder 212, when the water pump is lifted to a certain height, the drive motor 34 is started, the drive screw 33 is rotated, the cross plate 32 is driven to move horizontally, and then the water pump is driven to move horizontally, so that the process of replacing the water pump is more convenient.

[0054] The implementation principle of the water pump replacement auxiliary support in the embodiment of the application is as follows: the base 11 is horizontally moved to the lower side of the water pump through the rotating wheel 14 along the slide rail 13, the connecting flange between the water pump and the pipeline is disassembled, and then the base 11 supports the water pump, and the supporting plate 121 supports the water pump at the same time.

[0055] The drive oil cylinder 212 is started again, the piston rod of the drive oil cylinder 212 is stretched, the connecting frame 211 is driven to descend, the connecting frame 211 drives the insertion rod 221 to descend, the insertion rod 221 is inserted into the supporting plate 121, the insertion rod 221 is descended at the same time, the linkage rack 223 is driven to descend, the linkage rack 223 drives the rotating gear 151 to rotate, the rotating gear 151 drives the rack 152 to ascend, the rack 152 drives the clamping plate 122 to extend out of the supporting plate 121, and then the water pump is clamped, when the water pump does not need to be clamped, the clamping plate 122 is located in the supporting plate 121, so that the water pump can be conveniently horizontally moved into a narrow space, the supporting plate 121 is separated from the base 11 when the water pump is conveyed, so that the burden on the conveying mechanism 3 is reduced, and the service life of the conveying mechanism 3 is prolonged.

[0056] The insertion rod 221 is descended along the insertion slot, the insertion rod 221 presses the pressure sensor 41, when the pressure sensor 41 senses the pressure, an induction signal is output, the comparator T receives the induction signal, compares the voltage value corresponding to the induction signal with a preset voltage value, when the voltage value corresponding to the induction signal is greater than the preset voltage value, a starting signal is output, the control module 6 receives the starting signal, outputs a control signal, and controls the piston rod of the propelling cylinder 222 to stretch, so that the connecting rod 224 is inserted into the through hole of the insertion rod 221. The drive oil cylinder 212 is started again, the water pump is lifted, the drive motor 34 is started, the drive screw 33 is rotated, the cross plate 32 is driven to move horizontally, and then the water pump is driven to move horizontally.

[0057] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A water pump replacement aid stand comprising a support frame (31), characterized in that: The support frame (31) is arranged above the water pump, the bottom of the support frame (31) is provided with a base (11) for supporting the pipeline, the upper end of the base (11) is provided with two clamping pieces (12) for clamping the water pump, the clamping pieces (12) are arranged at both ends of the base (11), the support frame (31) is provided with four connecting assemblies (22) for connecting the clamping pieces (12), the connecting assemblies (22) are movably connected with the clamping pieces (12), and the support frame (31) is connected with a conveying mechanism (3) for driving the connecting assemblies (22) to move transversely along the axial direction of the water pump; The clamping piece (12) comprises a support plate (121) for supporting the water pump, two clamping plates (122) for clamping the water pump and two drive assemblies (15) for driving the clamping plates (122) to extend out of the support plate (121), the drive assemblies (15) are arranged in the support plate (121), the clamping plates (122) are arranged on both sides of the support plate (121), the clamping plates (122) are slidably connected with the support plate (121), the clamping plates (122) are vertically arranged, and the support plate (121) is movably connected to the upper end face of the base (11); The opposite sides of the two clamping plates (122) are fixedly connected with elastic layers (123), and the elastic layers (123) are movably connected with the water pump; The drive assembly (15) comprises a rotating gear (151) and a driving rack (152), the rotating gear (151) is rotatably connected in the support plate (121), and the driving rack (152) is fixedly connected to the lower end of the clamping plate (122), the driving rack (152) is vertically arranged, and the driving rack (152) is meshed with the rotating gear (151); The conveying mechanism (3) comprises a cross plate (32) and a drive lead screw (33) for driving the cross plate (32) to move transversely, one side of the cross plate (32) is threadedly connected with the drive lead screw (33), the drive lead screw (33) extends along the length direction of the support frame (31), the drive lead screw (33) is rotatably connected with the support frame (31), both sides of the cross plate (32) are slidably connected with the support frame (31), and the upper end face of the cross plate (32) is provided with a lifting piece (21) for lifting the connecting assembly (22); The lifting piece (21) comprises a connecting frame (211) and a drive oil cylinder (212) for driving the connecting frame (211) to move up and down, the drive oil cylinder (212) is fixedly connected to the upper end face of the cross plate (32), the piston rod of the drive oil cylinder (212) is fixedly connected with the connecting frame (211), the connecting frame (211) is horizontally arranged, and the connecting frame (211) is connected with the connecting assembly (22). The connecting assembly (22) comprises a plug-in rod (221), a push cylinder (222) and a linkage rack (223), the linkage rack (223) is fixedly connected to one side of the plug-in rod (221) and is vertically arranged, the upper end of the plug-in rod (221) is fixedly connected with the connecting frame (211), the linkage rack (223) is engaged with the side of the rotating gear (151) away from the driving rack (152), the push cylinder (222) is arranged in the support plate (121), the piston rod of the push cylinder (222) is fixedly connected with a connecting rod (224), the connecting rod (224) and the push cylinder (222) are both horizontally arranged, the plug-in rod (221) is provided with a through hole for the connecting rod (224) to pass through, and the connecting rod (224) is movably connected to the through hole of the plug-in rod (221); The support plate (121) is provided with a plug-in slot for the plug-in rod (221) to extend into, the plug-in rod (221) is slidably connected in the plug-in slot of the support plate (121), and the support plate (121) is provided with a detection control circuit, the detection control circuit comprising an induction module (4), a comparison module (5) and a control module (6): The induction module (4) comprises a pressure sensor (41), the pressure sensor (41) is arranged in the plug-in slot of the support plate (121), and the pressure sensor (41) is used for sensing the pressure of the plug-in rod (221) and outputting an induction signal; The comparison module (5) is electrically connected with the induction module (4), the comparison module (5) is used for receiving the induction signal of the induction module (4), when the comparison module (5) receives the induction signal, the voltage value corresponding to the induction signal is compared with a preset voltage value, if the voltage value of the induction signal is greater than the preset voltage value, the comparison module (5) outputs a starting signal; The control module (6) is electrically connected with the comparison module (5), the control module (6) is used for receiving the starting signal of the comparison module (5), when the control module (6) receives the starting signal, a control signal is outputted, and the control signal controls the piston rod of the push cylinder (222) to stretch.

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