CN209989136U - Cantilever type guide rod device and submersible water impeller applying same - Google Patents
Cantilever type guide rod device and submersible water impeller applying same Download PDFInfo
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- CN209989136U CN209989136U CN201920742975.XU CN201920742975U CN209989136U CN 209989136 U CN209989136 U CN 209989136U CN 201920742975 U CN201920742975 U CN 201920742975U CN 209989136 U CN209989136 U CN 209989136U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a cantilever type guide rod device and a submersible water impeller applying the same, wherein the cantilever type guide rod device comprises a base, a guide rod and a positioning and supporting device, the base comprises an upper bottom plate and a lower bottom plate which are respectively arranged on the upper end surface and the lower end surface of a walkway foundation, and a bracket and a guide rod locking device; the guide rod comprises a first guide rod and a second guide rod, and the first guide rod and the second guide rod are longitudinally arranged; the positioning and supporting device is arranged at the lower parts of the first guide rod and the second guide rod, the first guide rod is detachably connected with the positioning device, and the second guide rod is clamped in the positioning and supporting device. The cantilever type guide rod device fundamentally solves the technical problem that after a guide rod base under the liquid level is damaged and destroyed, a new guide rod under the liquid level can be maintained and replaced on the liquid level under the condition of non-stop maintenance, and meanwhile, the maintenance of the submersible water impeller can be ensured to run safely and stably.
Description
Technical Field
The utility model belongs to the technical field of water treatment facilities technique and specifically relates to a dive impeller that is used for dive impeller's of sewage treatment cantilever type guide arm device and uses device.
Background
After a guide rod of a submersible water impeller of a sewage treatment plant is used for a period of time, faults such as loosening of a guide rod base under the liquid level of the submersible water impeller, even damage and smashing and the like occur successively. Because the guide rod base under the liquid level of the traditional submersible water impeller adopts a guide rod bottom hinge pin structure fixed with a ground foundation and the upper part of the guide rod fixed with an oxidation ditch walkway plate foundation, when the submersible water impeller is damaged and damaged, the submersible water impeller can not be repaired, and only can be overhauled after stopping producing and discharging tens of thousands of tons of sludge and sewage in an oxidation ditch, thus facing a severe situation which seriously influences the operation and control of a sewage treatment production process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned condition, provide a cantilever type guide arm device and use device's dive impeller, the guide arm base damages the back of smashing under this kind of cantilever type guide arm device fundamentally solves the liquid level, under the situation of not stopping production maintenance, can maintain the guide arm under the liquid level of renewal on the liquid level, can guarantee the maintenance technological problem of safe and stable operation dive impeller simultaneously again.
Realize the utility model discloses the technical scheme of purpose is:
a cantilever type guide rod device of a submersible water impeller comprises
The base comprises an upper bottom plate and a lower bottom plate which are respectively arranged on the upper end surface and the lower end surface of the walkway foundation, a bracket and a guide rod locking device, the lower end part of the bracket is fixedly connected with the upper end surface of the upper bottom plate, the bracket is longitudinally arranged, and the upper part of the bracket is inclined to the outer sides of the upper bottom plate and the lower bottom plate and exceeds the side end parts of the upper bottom plate and the lower bottom plate;
the guide rod comprises a first guide rod and a second guide rod, the first guide rod and the second guide rod are longitudinally arranged, the upper parts of the first guide rod and the second guide rod are detachably connected with the bracket, the first guide rod and the second guide rod are fixed on the end side of the upper bottom plate through a locking device, and the second guide rod is arranged in front of the first guide rod;
the positioning and supporting device is arranged at the lower parts of the first guide rod and the second guide rod, the first guide rod is detachably connected with the positioning and supporting device, and the second guide rod is clamped in the positioning and supporting device.
The guide rod locking device comprises a fixing piece, a fixing block and a U-shaped hoop, the fixing piece is a welding piece and comprises a transverse block and a longitudinal block which are connected into a whole, the longitudinal block is positioned in the middle of the upper end face of the transverse block, the front end of the transverse block is provided with a concave part for clamping a first guide rod, the longitudinal block is provided with two through holes for connecting with the U-shaped hoop, and the rear side of the longitudinal block is provided with a reinforcing rib for connecting with the transverse block; the transverse block is fixedly arranged on the upper end surface of the upper bottom plate;
the square portion of the recess of the transverse block can be placed into the first guide bar. And welding the transverse block on the upper end surface of the upper bottom plate by welding.
The first guide rod is arranged in a concave part at the front end of the transverse block of the fixing piece, and the fixing block is arranged between the first guide rod and the second guide rod; the first guide rod and the second guide rod are locked at the end sides of the upper bottom plate through a U-shaped hoop connected with the through hole of the fixing piece and are abutted against the end sides of the upper bottom plate, the lower bottom plate and the walkway foundation; the fixing block is positioned at the locking position of the U-shaped hoop;
the first guide rod is vertically arranged, the included angle between the second guide rod and the first guide rod in the up-down direction is 34 'to 2 degrees 15', the distance between the second guide rod and the first guide rod at the guide rod locking device is 11 to 14cm, the distance and the included angle between the second guide rod and the first guide rod are determined according to the thrust, the position of the submersible water impeller main body and the deformation of the guide rod, and when the submersible water impeller is started to run, the impeller pushes the flow in the horizontal direction.
The fixed block is made of rubber.
And a reinforcing rib plate is arranged on the side surface of the bracket.
The positioning and supporting device comprises a welding steel frame, one side of the welding steel frame is provided with two fixing parts used for being connected with the first guide rod; the other side of the welded steel frame is a fixed frame for positioning the second guide rod, the front end opening of the fixed frame is in a trapezoid opening shape, the rear end of the fixed frame is provided with a cushion block which is attached to the inner side of the fixed frame, the cushion block and the fixed frame are provided with penetrating mounting holes, the cushion block is provided with a cushion block countersunk bolt hole, the fixed frame is provided with a cushion block threaded hole, and the cushion block is fastened in the fixed frame through the cushion block countersunk bolt hole and the cushion block threaded hole by a screw; the inner walls of two sides of the fixed frame are provided with backing plates attached to the inner walls, the backing plates and the fixed frame are provided with penetrating mounting holes, the backing plates are provided with backing plate countersunk head bolt holes, the fixed frame is provided with backing plate threaded holes, and the backing plates are fastened in the fixed frame through the backing plate countersunk head bolt holes and the backing plate threaded holes by screws;
the lower end side of the first guide rod is abutted against the two fixing parts, and a bolt penetrates through the bolt hole of the fixing part and the first guide rod to fasten the first guide rod on the fixing part of the positioning and supporting device;
the lower end of the second guide rod is pushed into the fixed frame from the opening at the front end of the fixed frame, and the lower end side of the second guide rod is abutted to the cushion block and the base plate.
The cantilever type guide rod device adopts the bracket to form a cantilever guide rod non-liquid-level lower fixed foundation, namely, the liquid level lower fixed foundation does not need to be arranged, the submersible water impeller main body is suspended in sewage through the second guide rod, so that the fault problem of damage of the liquid-level lower foundation does not exist, the problem that the submersible water impeller main body can be maintained and replaced on the liquid level under the condition of non-stop maintenance after the liquid-level lower guide rod base is damaged and destroyed is fundamentally solved, meanwhile, the frame form is adopted to avoid stress concentration, the double-guide-rod connection is utilized to increase the integral rigidity, the fixing device consisting of the locking device, the rubber fixing block and the hoop is used for enhancing the running stability of the submersible water impeller main body, the rubber cushion plate and the nylon cushion block are used for buffering and damping, and the running reliability and the running.
Under the same thinking, the submersible water impeller applying the cantilever type guide rod device comprises the cantilever type guide rod device and a submersible water impeller main body, wherein the cantilever type guide rod device comprises
The base comprises an upper bottom plate and a lower bottom plate which are respectively arranged on the upper end surface and the lower end surface of the walkway foundation, a bracket and a guide rod locking device, the lower end part of the bracket is fixedly connected with the upper end surface of the upper bottom plate, the bracket is longitudinally arranged, and the upper part of the bracket is inclined to the outer sides of the upper bottom plate and the lower bottom plate and exceeds the side end parts of the upper bottom plate and the lower bottom plate;
the guide rod comprises a first guide rod and a second guide rod, the first guide rod and the second guide rod are longitudinally arranged, the upper parts of the first guide rod and the second guide rod are detachably connected with the bracket, the first guide rod and the second guide rod are fixed on the end side of the upper bottom plate through a locking device, and the second guide rod is arranged in front of the first guide rod;
the positioning and supporting device is arranged at the lower parts of the first guide rod and the second guide rod, the first guide rod is detachably connected with the positioning device, and the second guide rod is clamped in the positioning and supporting device;
the guide rod device comprises a base, wherein the base is L-shaped, and the vertical edge of the L-shape is connected with a second guide rod in a sliding manner;
the triangular fixing support is provided with a vertical side and a horizontal side, the horizontal side of the triangular fixing support faces upwards and is used for placing a base which slides down from the upper part of the second guide rod, and the vertical side of the triangular fixing support is fixedly connected with the second guide rod;
the diving flow impeller main body is arranged on the base, and the base can move downwards on the second guide rod to the lower end face of the base to be abutted against the horizontal edge of the triangular fixing support.
The guide rod locking device comprises a fixing piece, a fixing block and a U-shaped hoop, the fixing piece is a welding piece and comprises a transverse block and a longitudinal block which are connected into a whole, the longitudinal block is positioned in the middle of the upper end face of the transverse block, the front end of the transverse block is provided with a concave part for clamping a first guide rod, the longitudinal block is provided with two through holes for connecting with the U-shaped hoop, and the rear side of the longitudinal block is provided with a reinforcing rib for connecting with the transverse block; the transverse block is fixedly arranged on the upper end surface of the upper bottom plate;
the square portion of the transverse block recess can receive the first guide bar. And welding the transverse block on the upper end surface of the upper bottom plate by welding.
The first guide rod is arranged in a concave part at the front end of the transverse block of the fixing piece, and the fixing block is arranged between the first guide rod and the second guide rod; the first guide rod and the second guide rod are locked at the end sides of the upper bottom plate through a U-shaped hoop connected with the through hole of the fixing piece and are abutted against the end sides of the upper bottom plate, the lower bottom plate and the walkway foundation; the fixing block is positioned at the locking position of the U-shaped hoop;
the first guide rod is vertically arranged, the included angle between the second guide rod and the first guide rod in the up-down direction is 34 'to 2 degrees 15', the distance between the second guide rod and the first guide rod at the guide rod locking device is 11 to 14cm, the distance and the included angle between the second guide rod and the first guide rod are determined according to the thrust, the position of the submersible water impeller main body and the deformation of the guide rod, and when the submersible water impeller is started to run, the impeller pushes the flow in the horizontal direction.
The fixed block is made of rubber.
And a reinforcing rib plate is arranged on the side surface of the bracket.
The positioning and supporting device comprises a welding steel frame, one side of the welding steel frame is provided with two fixing parts used for being connected with the first guide rod; the other side of the welded steel frame is a fixed frame for positioning the second guide rod, the front end opening of the fixed frame is in a trapezoid opening shape, the rear end of the fixed frame is provided with a cushion block which is attached to the inner side of the fixed frame, the cushion block and the fixed frame are provided with penetrating mounting holes, the cushion block is provided with a cushion block countersunk bolt hole, the fixed frame is provided with a cushion block threaded hole, and the cushion block is fastened in the fixed frame through the cushion block countersunk bolt hole and the cushion block threaded hole by a screw; the inner walls of two sides of the fixed frame are provided with backing plates attached to the inner walls, the backing plates and the fixed frame are provided with penetrating mounting holes, the backing plates are provided with backing plate countersunk head bolt holes, the fixed frame is provided with backing plate threaded holes, and the backing plates are fastened in the fixed frame through the backing plate countersunk head bolt holes and the backing plate threaded holes by screws;
the lower end side of the first guide rod is abutted against the two fixing parts, and a bolt penetrates through the bolt hole of the fixing part and the first guide rod to fasten the first guide rod on the fixing part of the positioning and supporting device;
the lower end of the second guide rod is pushed into the fixed frame from the opening at the front end of the fixed frame, and the lower end side of the second guide rod is abutted to the cushion block and the base plate.
The submersible water impeller using the cantilever type guide rod device adopts the bracket to form a cantilever guide rod non-liquid-level lower fixed foundation, namely, the fixed foundation does not need to be arranged below the liquid level, the main body of the submersible water impeller is suspended in sewage through the second guide rod, so that the fault problem of damage of the liquid-level lower foundation does not exist, the problem that the liquid-level lower guide rod base can be maintained and replaced on the liquid level under the condition of non-stop production maintenance after being damaged and destroyed is fundamentally solved, meanwhile, the frame form is adopted to avoid stress concentration, the double-guide-rod connection is utilized to increase the integral rigidity, the fixing device consisting of the locking device, the rubber fixing block and the hoop is used for enhancing the running stability of the main body of the submersible water impeller, the rubber cushion plate and the nylon cushion block are used for buffering and damping, and the running reliability and the running.
The installation method of the submersible water impeller comprises the following steps:
1) the walkway foundation is arranged above the liquid level, an upper bottom plate in the base is fixed on the upper end surface of the walkway foundation through a first fixing bolt and a second fixing bolt, a lower bottom plate is fixed on the lower end surface of the walkway foundation, and the side end parts of the upper bottom plate and the lower bottom plate are flush with the side end part of the walkway foundation;
the bracket is longitudinally arranged on the upper bottom plate, and the upper part of the bracket inclines towards the side end parts of the upper bottom plate and the lower bottom plate and exceeds the side end parts of the upper bottom plate and the lower bottom plate so as to be convenient for installing the guide rod;
2) the bottom of the first guide rod is arranged between the two fixing parts of the positioning and supporting device, and the first guide rod is fixedly connected with the fixing parts through fixing part bolts;
pushing the bottom of the second guide rod into the opening at the front end of the fixing frame of the positioning and supporting device, so that the second guide rod is abutted to the cushion block and the base plate;
fixedly connecting the vertical side of the triangular fixed support with the second guide rod, wherein the distance between the lower top end of the vertical side of the triangular fixed support and the positioning and supporting device is 10 mm; the horizontal edge of the triangular fixing support can be abutted against the base which moves to the lower part of the second guide rod;
3) hoisting the connecting ends of the first guide rod, the second guide rod and the positioning and supporting device into the tank by using a crane, and placing the connecting ends under the liquid level, wherein the bottom ends of the positioning and supporting device, the first guide rod and the second guide rod are positioned above the tank bottom and are not contacted with the tank bottom;
4) the L-shaped vertical edge of the base is assembled with the second guide rod, and the base can move up and down on the second guide rod;
the first guide rod is vertically arranged, and the first guide rod and the second guide rod are fixed on the upper bottom plate through the guide rod locking device and are abutted against the side end parts of the walkway foundation, the upper bottom plate and the lower bottom plate; the fixing block is positioned at the locking position of the U-shaped hoop and is clamped by the first guide rod and the second guide rod; the second guide rod is pressed in a fixing frame of the positioning and supporting device by the guide rod locking device;
the second guide rod is positioned in front of the first guide rod; the included angle between the second guide rod and the first guide rod is 34 '-2 degrees 15' from top to bottom, and the distance between the second guide rod and the first guide rod at the guide rod locking device is 11-14 cm;
5) the upper part of the first guide rod is fastened on the bracket through a first guide rod bolt; the upper part of the second guide rod is fastened on the bracket through a second guide rod bolt;
6) fixing the submersible water impeller main body on the upper end surface of the L-shaped horizontal part of the base;
7) the submersible water impeller main body is slowly lowered by a crane, slides on the second guide rod through the base and is lowered to the horizontal part of the triangular fixing support, so that the submersible water impeller main body is horizontally positioned.
In the step 1), the distance between the walkway foundation and the liquid level is 90-120 cm.
In the step 3), the bottom ends of the positioning and supporting device and the first guide rod and the second guide rod are 155cm away from the bottom of the tank.
In the prior art, the guide rod is connected with the base foundation at the bottom of the pool through the hinge pin, so that the base foundation is easily damaged, the production must be stopped during maintenance, tens of thousands of tons of sewage and sludge are pumped out, the base foundation at the bottom of the pool is poured again, a period of time is consumed, the maintenance is difficult, and the situation has the possibility of repeated occurrence and influences the normal production. By adopting the mounting method of the cantilever type guide rod submersible water impeller, the problem of damaging the base foundation of the pool bottom is avoided, tens of thousands of tons of sewage and sludge are not required to be pumped out during production halt, the base foundation of the pool bottom is not required to be poured again, the maintenance time is saved, and the maintenance difficulty is avoided.
Drawings
Fig. 1 is a schematic structural view of a cantilever type guide bar device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the positioning and supporting device of FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a left side schematic view of FIG. 2;
FIG. 5 is a schematic diagram illustrating the structure and installation of a submersible water impeller using a cantilever guide apparatus according to an embodiment;
fig. 6 is a schematic structural view of the fixing member in the embodiment.
In the figure, 1, a walkway foundation 2, a first fixing bolt 3, an upper base plate 4, a lower base plate 5, a base 6, a support 7, a rib plate 8, a second fixing bolt 9, a first guide rod bolt 10, a first guide rod 10-1, a first lifting hole 11, a second guide rod 11-1, a second lifting hole 12, a second guide rod bolt 13, a fixing piece 13-1, a transverse block 13-2, a longitudinal block 13-3, a through hole 13-4, a reinforcing rib 13-5, a concave part 14, a fixing block 15, an anchor ear 16, a fixing part bolt 17, a positioning support device 18, a fixing part 19, a fixing part bolt hole 20, a welding steel frame 21, a cushion block 22, a cushion plate 23, a cushion plate countersunk head bolt hole 25, a cushion plate threaded hole 26, a cushion plate countersunk head bolt hole 27, a fixing frame 27-1, a front end opening 28, a hydraulic station 29, a hydraulic pipe 30 and a triangle fixing The hydraulic pipe lifting device comprises a bracket 31, a hydraulic motor device 32, a pool bottom 33, a hook 34, a steel wire 35, a hydraulic pipe fixing part 36, a lifting hook 37, a base 38 and rolling parts.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features. The present invention will be further described with reference to the following drawings and examples, but the present invention is not limited thereto.
Example 1:
referring to fig. 1-5, a cantilever type guide rod device of a submersible water impeller comprises
The walking aid comprises a base 5, wherein the base 5 comprises an upper bottom plate 3 and a lower bottom plate 4 which are respectively arranged on the upper end surface and the lower end surface of a walking foundation 1, a bracket 6 and a guide rod locking device, the lower end part of the bracket 6 is fixedly connected with the upper end surface of the upper bottom plate 3, the bracket 6 is longitudinally arranged, and the upper part of the bracket inclines towards the outer sides of the upper bottom plate 3 and the lower bottom plate 4 and exceeds the side end parts of the upper bottom plate 3 and the lower bottom plate 4;
the guide rod comprises a first guide rod 10 and a second guide rod 11, the first guide rod 10 and the second guide rod 11 are longitudinally arranged, the upper parts of the first guide rod 10 and the second guide rod 11 are detachably connected with the bracket 6, the first guide rod 10 and the second guide rod 11 are fixed on the end side of the upper bottom plate 3 through a locking device, and the second guide rod 11 is arranged in front of the first guide rod 10;
the positioning and supporting device is arranged at the lower parts of the first guide rod 10 and the second guide rod 11, the first guide rod 10 is detachably connected with the positioning and supporting device, and the second guide rod 11 is clamped in the positioning and supporting device.
In this embodiment, the first guide bar 10 and the second guide bar 11 are rectangular.
The guide rod locking device comprises a fixing piece 13, a fixing block 14 and a U-shaped hoop 15, the fixing piece 13 is a welding piece and comprises a transverse block 13-1 and a longitudinal block 13-2 which are connected into a whole, the longitudinal block 13-2 is positioned in the middle of the upper end face of the transverse block 13-1, the front end of the transverse block 13-1 is provided with a concave part 13-5 for clamping the first guide rod 10, the longitudinal block 13-2 is provided with two through holes 13-3 for connecting with the U-shaped hoop 15, and the rear side of the longitudinal block 13-2 is provided with a reinforcing rib 13-4 for connecting with the transverse block 13-1; the transverse block 13-1 is fixedly arranged on the upper end surface of the upper bottom plate 3;
the length and width of the square part of the concave part 13-5 of the transverse block 13-1 are respectively 10cm, and the first guide rod 10 can be placed in the square part. The lateral block 13-1 is welded to the upper end face of the upper base plate 3 by welding.
The first guide rod 10 is arranged in a concave part 13-2 at the front end of a transverse block 13-1 of the fixing piece 13, and the fixing block 14 is arranged between the first guide rod 10 and the second guide rod 11; the first guide rod 10 and the second guide rod 11 are locked at the end sides of the upper bottom plate 3 through a U-shaped hoop 15 connected with a through hole 13-3 of the fixing piece 13 and are abutted against the end sides of the upper bottom plate 3, the lower bottom plate 4 and the walkway foundation 1; the fixed block 14 is positioned at the locking position of the U-shaped hoop;
the first guide rod 10 is vertically arranged, the included angle between the second guide rod 11 and the first guide rod 10 in the up-down direction is 34 ' to 2 degrees 15 ', the distance between the second guide rod 11 and the first guide rod 10 is 11 to 14cm at the guide rod locking device, the included angle is 41 ' in the embodiment, the distance between the second guide rod 11 and the first guide rod 10 is 12cm at the guide rod locking device, the distance and the included angle between the second guide rod 11 and the first guide rod 10 are determined according to the thrust, the position of the submersible water impeller main body and the deformation of the guide rods, and when the submersible water impeller is started, the water impeller pushes the water in the horizontal direction.
The fixing block 14 is made of rubber.
And a reinforcing rib plate 7 is arranged on the side surface of the bracket 6.
Referring to fig. 2 to 4, the positioning and supporting device includes a welding steel frame 20, a fixing portion 18 for connecting with the first guide rod 10 is disposed on one side of the welding steel frame 20, and the fixing portion 18 includes two pieces; the other side of the welded steel frame 20 is provided with a fixed frame 27 for positioning the second guide rod 11, the front end opening 27-1 of the fixed frame 27 is in a trapezoid opening shape, the rear end of the fixed frame 27 is provided with a cushion block 23 which is attached to the inner side of the fixed frame, the cushion block 23 and the fixed frame 27 are provided with penetrating mounting holes, the cushion block 23 is provided with a cushion block countersunk bolt hole 26, the fixed frame 27 is provided with a cushion block threaded hole 21, and the cushion block 23 is fastened in the fixed frame 27 through the cushion block countersunk bolt hole 26 and the cushion block threaded hole 21 by; the inner walls of two sides of the fixed frame 27 are provided with cushion plates 22 attached with the fixed frame 27, the cushion plates 22 and the fixed frame 27 are provided with penetrating mounting holes, the cushion plates 22 are provided with cushion plate countersunk bolt holes 24, the fixed frame 27 is provided with cushion plate threaded holes 25, and the cushion plates 22 are fastened in the fixed frame 27 through the cushion plate countersunk bolt holes 24 and the cushion plate threaded holes 25 by screws;
the lower end side of the first guide rod 10 is abutted against the two fixing parts 18, and the first guide rod 10 is fastened on the fixing part 18 of the positioning and supporting device by passing a bolt through the fixing part bolt hole 19 and the first guide rod 10;
the lower end of the second guide rod 11 is pushed into the fixed frame 27 from the front end opening 27-1 of the fixed frame 27, and the lower end side of the second guide rod 11 abuts against the spacer 23 and the pad 22.
The cushion block 23 is made of nylon material, and the backing plate 22 is made of rubber material.
The submersible water impeller main body provided with the blades is arranged on a base 37, the base 37 and a second guide rod 11 are assembled in a sliding manner, the submersible water impeller main body and the base 37 are slowly descended by a crane, and slide on the second guide rod 11 until descending to a positioning and supporting device and abut against the positioning and supporting device, the positioning and supporting device and the bottom ends of a first guide rod 10 and a second guide rod 11 are positioned above a pool bottom 32 and are not contacted with the pool bottom 32, and when the submersible water impeller main body is used, the submersible water impeller main body is started to drive the blades to rotate; when daily maintenance is needed, the submersible water impeller main body is directly hung by the crane, when a guide rod or a positioning support device needs to be maintained, the nut of the guide rod locking device is loosened, the U-shaped hoop 15 is taken out, the crane hook hooks the second lifting hole 11-1 formed in the second guide rod 11, the second guide rod bolt 12 is unscrewed, the second guide rod 11 is pushed out of the fixing frame 27 of the positioning support device by a crowbar, the second guide rod bolt 12 is taken out, then the crane hook is hung on the second guide rod 11, similarly, the crane hook hooks the first lifting hole 10-1 formed in the first guide rod 10, the first guide rod bolt 9 is taken out, and then the crane hook is hung on the first guide rod 10.
The cantilever type guide rod device adopts the bracket 6 to form a cantilever guide rod non-liquid-level lower fixed foundation, namely, the fixed foundation is not required to be arranged below the liquid level, the diving impeller main body is suspended in sewage through the second guide rod 11, so that the fault problem of the damage of the liquid-level lower foundation does not exist, the problem that the liquid-level lower guide rod base can be maintained and replaced on the liquid level under the condition of non-stop production maintenance after being damaged and destroyed is fundamentally solved, meanwhile, the upper bottom plate 3, the lower bottom plate 4, the bracket 6, the ribbed plate 7 and the guide rod form a frame form to avoid stress concentration, the double guide rods of the first guide rod 10 and the second guide rod 11 are connected to increase the integral rigidity, the guide rod locking device consisting of the fixing piece 13, the fixing block 14 and the hoop 15 is used for enhancing the running stability of the diving impeller main body, and the cushion block 23 made of rubber and nylon are, further increasing the reliability and stability of the operation of the submersible water impeller.
By adopting the cantilever type guide rod device, the technical requirement of the guide rod mode of the traditional submersible water impeller can be met through tests.
Example 2:
referring to fig. 1 to 5, a submersible water impeller using a cantilever type guide bar device includes a cantilever type guide bar device and a submersible water impeller main body, wherein the cantilever type guide bar device includes
The walking aid comprises a base 5, wherein the base 5 comprises an upper bottom plate 3 and a lower bottom plate 4 which are respectively arranged on the upper end surface and the lower end surface of a walking foundation 1, a bracket 6 and a guide rod locking device, the lower end part of the bracket 6 is fixedly connected with the upper end surface of the upper bottom plate 3, the bracket 6 is longitudinally arranged, and the upper part of the bracket inclines towards the outer sides of the upper bottom plate 3 and the lower bottom plate 4 and exceeds the side end parts of the upper bottom plate 3 and the lower bottom plate 4;
the guide rod comprises a first guide rod 10 and a second guide rod 11, the first guide rod 10 and the second guide rod 11 are vertically arranged, the upper parts of the first guide rod 10 and the second guide rod 11 are detachably connected with the bracket 6, the first guide rod 10 and the second guide rod 11 are fixed on the end side of the upper bottom plate 3 through a locking device, and the second guide rod 11 is arranged in front of the first guide rod 10;
the positioning and supporting device is arranged at the lower parts of the first guide rod 10 and the second guide rod 11, the first guide rod 10 is detachably connected with the positioning device, and the second guide rod 11 is clamped in the positioning and supporting device;
the device comprises a base 37, wherein the base 37 is L-shaped, and the vertical side of the L-shape is connected with a second guide rod 11 in a sliding manner;
the triangular fixing support 30 is provided with a vertical side and a horizontal side, the horizontal side of the triangular fixing support 30 faces upwards and is used for placing a base 37 which slides down from the upper part 11 of the second guide rod, and the vertical side of the triangular fixing support 30 is fixedly connected with the second guide rod 11;
the diving flow driver main body is arranged on the base 37, and the base 37 can move downwards on the second guide rod 11 to the lower end face of the base 37 to abut against the horizontal edge of the triangular fixing bracket 30.
The guide rod locking device comprises a fixing piece 13, a fixing block 14 and a U-shaped hoop 15, the fixing piece 13 is a welding piece and comprises a transverse block 13-1 and a longitudinal block 13-2 which are connected into a whole, the longitudinal block 13-2 is positioned in the middle of the upper end face of the transverse block 13-1, the front end of the transverse block 13-1 is provided with a concave part 13-5 for clamping the first guide rod 10, the longitudinal block 13-2 is provided with two through holes 13-3 for connecting with the U-shaped hoop 15, and the rear side of the longitudinal block 13-2 is provided with a reinforcing rib 13-4 for connecting with the transverse block 13-1; the transverse block 13-1 is fixedly arranged on the upper end surface of the upper bottom plate 3;
the length and width of the square part of the concave part 13-5 of the transverse block 13-1 are respectively 10cm, and the first guide rod 10 can be placed in the square part. The lateral block 13-1 is welded to the upper end face of the upper base plate 3 by welding.
The first guide rod 10 is arranged in a concave part 13-2 at the front end of a transverse block 13-1 of the fixing piece 13, and the fixing block 14 is arranged between the first guide rod 10 and the second guide rod 11; the first guide rod 10 and the second guide rod 11 are locked at the end sides of the upper bottom plate 3 through a U-shaped hoop 15 connected with a through hole 13-3 of the fixing piece 13 and are abutted against the end sides of the upper bottom plate 3, the lower bottom plate 4 and the walkway foundation 1; the fixed block 14 is positioned at the locking position of the U-shaped hoop;
the first guide rod 10 is vertically arranged, the included angle between the second guide rod 11 and the first guide rod 10 in the up-down direction is 34 ' to 2 degrees 15 ', the distance between the second guide rod 11 and the first guide rod 10 is 11 to 14cm at the guide rod locking device, the included angle is 41 ' in the embodiment, the distance between the second guide rod 11 and the first guide rod 10 is 12cm at the guide rod locking device, the distance and the included angle between the second guide rod 11 and the first guide rod 10 are determined according to the thrust, the position of the submersible water impeller main body and the deformation of the guide rods, and when the submersible water impeller is started, the water impeller pushes the water in the horizontal direction.
The fixing block 14 is made of rubber.
And symmetrical reinforcing rib plates 7 are arranged on the side surfaces of the brackets 6.
Referring to fig. 2 to 4, the positioning and supporting device includes a welding steel frame 20, a fixing portion 18 for connecting with the first guide rod 10 is disposed on one side of the welding steel frame 20, and the fixing portion 18 includes two pieces; the other side of the welded steel frame 20 is provided with a fixed frame 27 for positioning the second guide rod 11, the front end opening 27-1 of the fixed frame 27 is in a trapezoid opening shape, the rear end of the fixed frame 27 is provided with a cushion block 23 which is attached to the inner side of the fixed frame, the cushion block 23 and the fixed frame 27 are provided with penetrating mounting holes, the cushion block 23 is provided with a cushion block countersunk bolt hole 26, the fixed frame 27 is provided with a cushion block threaded hole 21, and the cushion block 23 is fastened in the fixed frame 27 through the cushion block countersunk bolt hole 26 and the cushion block threaded hole 21 by; the inner walls of two sides of the fixed frame 27 are provided with cushion plates 22 attached with the fixed frame 27, the cushion plates 22 and the fixed frame 27 are provided with penetrating mounting holes, the cushion plates 22 are provided with cushion plate countersunk bolt holes 24, the fixed frame 27 is provided with cushion plate threaded holes 25, and the cushion plates 22 are fastened in the fixed frame 27 through the cushion plate countersunk bolt holes 24 and the cushion plate threaded holes 25 by screws;
the lower end side of the first guide rod 10 is abutted against the two fixing parts 18, and the first guide rod 10 is fastened on the fixing part 18 of the positioning and supporting device by passing a bolt through the fixing part bolt hole 19 and the first guide rod 10;
the lower end of the second guide rod 11 is pushed into the fixed frame from the front end opening 27-1 of the fixed frame 27, and the lower end side of the second guide rod 11 abuts against the spacer 23 and the pad 22.
The cushion block 23 is made of nylon material, and the backing plate 22 is made of rubber material.
The submersible water impeller adopts a hydraulic transmission system submersible water impeller disclosed by the publication number CN207906389U, and comprises a hydraulic station positioned above the liquid level and a hydraulic transmission mechanism positioned below the liquid level; the hydraulic station comprises a motor and a hydraulic pump driven by the motor; the hydraulic transmission mechanism comprises a hydraulic motor and blades, and the hydraulic motor is connected with the blades; the hydraulic motor is connected with the hydraulic pump through a hydraulic pipe.
As shown in fig. 5, the hydraulic station 28 is arranged on the walkway base 1 above the liquid level, the diving propeller body, namely, the hydraulic transmission mechanism under the liquid level, comprises a hydraulic motor device 31 and blades, the hydraulic motor device 31 is fixed on a base 37, the L-shaped vertical edge of the base 37 is slidably fitted with the second guide rod 11, the hydraulic motor device 31 and the base 37 are slowly descended by a hoisting system and are slid on the second guide rod 11 to the horizontal edge of the triangular fixed bracket 30.
Specifically, the installation method of the submersible water impeller comprises the following steps:
1) the walkway foundation 1 is arranged above the liquid level, the upper bottom plate 3 in the base 5 is fixed on the upper end surface of the walkway foundation 1 through the first fixing bolt 2 and the second fixing bolt 8, the lower bottom plate 4 is fixed on the lower end surface of the walkway foundation 1, and the side end parts of the upper bottom plate 3 and the lower bottom plate 4 are flush with the side end part of the walkway foundation 1;
the bracket 6 is longitudinally arranged on the upper bottom plate 3, and the upper part of the bracket 6 is inclined to the side end parts of the upper bottom plate 3 and the lower bottom plate 4 and exceeds the side end parts of the upper bottom plate 3 and the lower bottom plate 4 so as to be convenient for installing a guide rod;
2) the bottom of the first guide rod 10 is arranged between two fixing parts 18 of the positioning and supporting device, and the first guide rod 10 is tightly connected with the fixing parts 18 through fixing part bolts 16;
pushing the bottom of the second guide rod 11 into the front end opening 27-1 of the fixing frame 27 of the positioning and supporting device to enable the second guide rod 11 to be abutted against the cushion block 23 and the backing plate 22;
fixedly connecting the vertical side of the triangular fixing support 30 with the second guide rod 11 through a bolt, wherein the distance between the lower top end of the vertical side of the triangular fixing support 30 and the positioning support device is 8-12 mm, in this example 10 mm; the horizontal side of the triangle fixing bracket 30 can be abutted with the base 37 which moves to the lower part of the second guide rod 11;
3) hoisting the connecting ends of the first guide rod 10, the second guide rod 11 and the positioning and supporting device into the tank by using a crane, and placing the connecting ends under the liquid level, wherein the bottom ends of the positioning and supporting device, the first guide rod 10 and the second guide rod 11 are positioned above the tank bottom 32 and are not contacted with the tank bottom 32;
4) the L-shaped vertical edge of the base 37 is assembled with the second guide rod 11, and the base 37 can move up and down on the second guide rod 11;
the first guide rod 10 is vertically arranged, and the first guide rod 10 and the second guide rod 11 are fixed on the upper bottom plate 3 through a guide rod locking device and are abutted against the side end parts of the walkway foundation 1, the upper bottom plate 3 and the lower bottom plate 4; the fixed block 14 is positioned at the locking position of the U-shaped hoop, and the fixed block 14 is clamped by the first guide rod 10 and the second guide rod 11; the second guide rod 11 is pressed in the fixing frame 27 of the positioning and supporting device by the guide rod locking device;
the second guide bar 11 is positioned in front of the first guide bar 10; the included angle between the second guide rod 11 and the first guide rod 10 from top to bottom is 34 '-2 degrees 15', and the distance between the second guide rod 11 and the first guide rod 10 at the guide rod locking device is 11-14 cm; in this embodiment, the included angle is 41', at the guide rod locking device, the distance between the second guide rod 11 and the first guide rod 10 is 12cm, the distance and the included angle between the second guide rod 11 and the first guide rod 10 are determined according to the magnitude of the thrust, the position of the submersible water impeller main body and the deformation magnitude of the guide rods, and when the power-on operation is achieved, the water impeller pushes the flow in the horizontal direction;
5) the upper part of the first guide rod 10 is fastened on the bracket 6 through a first guide rod bolt 9; the upper part of the second guide rod 11 is fastened on the bracket 6 through a second guide rod bolt 12;
6) the hydraulic motor device 31 of the diving flow driver main body is fixed on the upper end surface of the L-shaped horizontal part of the base 37 through bolts;
7) the hydraulic motor device 31 is slowly lowered by a hoisting system, slides on the second guide rod 11 through the base 37 and is lowered to the horizontal part of the triangular fixed bracket 30, so that the hydraulic motor device 31 of the main body of the submersible water impeller is horizontally positioned.
In the step 1), the distance between the walkway foundation and the liquid level is 90-120 cm.
In the step 1), the first fixing bolts 2 are 3 groups of bolts, the second fixing bolts 8 are 2 groups of bolts, and 5 groups of bolts are provided in total, so that the upper base plate 3 and the lower base plate 4 are firmly fixed on the walkway foundation 1.
In the step 3), the bottom ends of the positioning and supporting device and the first guide rod 10 and the second guide rod 11 are 155cm away from the bottom of the tank. The heights of the positioning and supporting device and the bottoms of the first guide rod 10 and the second guide rod 11 from the bottom of the pool are determined by the process, different pools are different and are determined by the position of the main body of the submersible water impeller, and the height of the positioning and supporting device from the bottom of the pool 32 can be adjusted according to actual needs.
In step 4), a rolling member 38 is arranged on the L-shaped vertical side of the base 37, the rolling member 38 includes a screw rod and a hollow sleeve, the screw rod passes through the hollow sleeve, the hollow sleeve can roll on the screw rod in a rotating manner, the rolling member 38 is fixed on the L-shaped vertical side of the base 37 through the screw rod, as shown in fig. 5, the second guide rod 11 is positioned between the rolling member 38 and the right side of the L-shaped vertical side of the base 37, the base 37 can slide up and down on the second guide rod 11 more smoothly through the rolling action of the hollow sleeve, and thus the main body of the submersible water impeller fixed on the base 37 can move up and down on the second guide rod 11 through a crane.
The hydraulic station 28 is fixedly arranged on the walkway foundation 1; the hydraulic pipe 29 is fixed through a hydraulic pipe fixing part 35 fixed on the second guide rod 11, the hydraulic pipe fixing part 35 is provided with a hook 33, the hook 33 is connected with one end of a steel wire 34, and the other end of the steel wire 34 is connected with the upper end part of the second guide rod 11, so that the hydraulic pipe 29 is fixed on the second guide rod 11 and is not easy to loosen; the hydraulic motor device 31 is provided with a lifting hook 36, which is convenient for the use of the lifting system.
The installation method is also suitable for the installation of the existing common diving flow driver main body.
The diving flow driver applying the cantilever type guide rod device has no liquid level lower fixed foundation due to the adoption of the bracket 6 to form the cantilever guide rod, namely, no fixed foundation needs to be arranged under the liquid level, the main body of the diving flow driver is suspended in sewage through the second guide rod 11, so the fault problem of the damage of the liquid level lower foundation does not exist, the problem that the liquid level lower guide rod base can be maintained and replaced on the liquid level under the condition of no production maintenance after being damaged and destroyed, simultaneously, the upper bottom plate 3, the lower bottom plate 4, the bracket 6, the ribbed plate 7 and the guide rod form a frame form to avoid stress concentration is fundamentally solved, the integral rigidity is increased by the connection of the first guide rod 10 and the second guide rod 11 through the double guide rods, the stability of the operation of the diving flow driver main body is enhanced through the guide rod locking device consisting of the fixing piece 13, the fixing piece 14 and the hoop 15, the cushion block 23 made of rubber and, further increasing the reliability and stability of the operation of the submersible water impeller.
The embodiments described in the present disclosure are merely preferred embodiments of the present disclosure, and are not intended to limit the scope of the present disclosure. All equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.
Claims (7)
1. A cantilever type guide rod device is characterized by comprising
The base comprises an upper bottom plate and a lower bottom plate which are respectively arranged on the upper end surface and the lower end surface of the walkway foundation, a bracket and a guide rod locking device, the lower end part of the bracket is fixedly connected with the upper end surface of the upper bottom plate, the bracket is longitudinally arranged, and the upper part of the bracket is inclined to the outer sides of the upper bottom plate and the lower bottom plate and exceeds the side end parts of the upper bottom plate and the lower bottom plate;
the guide rod comprises a first guide rod and a second guide rod, the first guide rod and the second guide rod are longitudinally arranged, the upper parts of the first guide rod and the second guide rod are detachably connected with the bracket, the first guide rod and the second guide rod are fixed on the end side of the upper bottom plate through a locking device, and the second guide rod is arranged in front of the first guide rod;
the positioning and supporting device is arranged at the lower parts of the first guide rod and the second guide rod, the first guide rod is detachably connected with the positioning device, and the second guide rod is clamped in the positioning and supporting device.
2. The cantilever type guide rod device of claim 1, wherein the guide rod locking device comprises a fixing piece, a fixing block and a U-shaped hoop, the fixing piece is a welding piece and comprises a transverse block and a longitudinal block which are connected into a whole, the longitudinal block is positioned in the middle of the upper end face of the transverse block, the front end of the transverse block is provided with a concave part for clamping the first guide rod, and the longitudinal block is provided with two through holes for connecting with the U-shaped hoop; the transverse block is fixedly arranged on the upper end surface of the upper bottom plate;
the first guide rod is arranged in a concave part at the front end of the transverse block of the fixing piece, and the fixing block is arranged between the first guide rod and the second guide rod; the first guide rod and the second guide rod are locked at the end sides of the upper bottom plate through a U-shaped hoop connected with the fixing piece and are abutted against the end sides of the upper bottom plate, the lower bottom plate and the walkway foundation; the fixed block is located U type staple bolt locking department.
3. The cantilever type guide rod device of claim 2, wherein the first guide rod is vertically arranged, the included angle between the second guide rod and the first guide rod is 34 'to 2 degrees 15' from the top to the bottom, and the distance between the second guide rod and the first guide rod is 11 to 14cm at the guide rod locking device.
4. The cantilever type guide rod device of claim 1, wherein the positioning and supporting device comprises a welded steel frame, one side of the welded steel frame is provided with two fixing parts for connecting with the first guide rod; the other side of the welded steel frame is a fixed frame for positioning the second guide rod, the front end opening of the fixed frame is in a trapezoid opening shape, the rear end of the fixed frame is provided with a cushion block which is attached to the inner side of the fixed frame, the cushion block and the fixed frame are provided with penetrating mounting holes, the cushion block is provided with a cushion block countersunk bolt hole, the fixed frame is provided with a cushion block threaded hole, and the cushion block is fastened in the fixed frame through the cushion block countersunk bolt hole and the cushion block threaded hole by a screw; the inner walls of two sides of the fixed frame are provided with backing plates attached to the inner walls, the backing plates and the fixed frame are provided with penetrating mounting holes, the backing plates are provided with backing plate countersunk head bolt holes, the fixed frame is provided with backing plate threaded holes, and the backing plates are fastened in the fixed frame through the backing plate countersunk head bolt holes and the backing plate threaded holes by screws;
the lower end side of the first guide rod is abutted against the two fixing parts, and a bolt penetrates through the bolt hole of the fixing part and the first guide rod to fasten the first guide rod on the fixing part of the positioning and supporting device;
the lower end of the second guide rod is pushed into the fixed frame from the opening at the front end of the fixed frame, and the lower end side of the second guide rod is abutted to the cushion block and the base plate.
5. The submersible water impeller applying the cantilever type guide rod device is characterized by comprising the cantilever type guide rod device and a submersible water impeller main body, wherein the cantilever type guide rod device comprises
The base comprises an upper bottom plate and a lower bottom plate which are respectively arranged on the upper end surface and the lower end surface of the walkway foundation, a bracket and a guide rod locking device, the lower end part of the bracket is fixedly connected with the upper end surface of the upper bottom plate, the bracket is longitudinally arranged, and the upper part of the bracket is inclined to the outer sides of the upper bottom plate and the lower bottom plate and exceeds the side end parts of the upper bottom plate and the lower bottom plate;
the guide rod comprises a first guide rod and a second guide rod, the first guide rod and the second guide rod are longitudinally arranged, the upper parts of the first guide rod and the second guide rod are detachably connected with the bracket, the first guide rod and the second guide rod are fixed on the end side of the upper bottom plate through a locking device, and the second guide rod is arranged in front of the first guide rod;
the positioning and supporting device is arranged at the lower parts of the first guide rod and the second guide rod, the first guide rod is detachably connected with the positioning device, and the second guide rod is clamped in the positioning and supporting device;
the guide rod device comprises a base, wherein the base is L-shaped, and the vertical edge of the L-shape is connected with a second guide rod in a sliding manner;
the triangular fixing support is provided with a vertical side and a horizontal side, the horizontal side of the triangular fixing support faces upwards and is used for placing a base which slides down from the upper part of the second guide rod, and the vertical side of the triangular fixing support is fixedly connected with the second guide rod;
the diving flow impeller main body is arranged on the base, and the base can move downwards on the second guide rod to the lower end face of the base to be abutted against the horizontal edge of the triangular fixing support.
6. The submersible water impeller using the cantilever type guide rod device according to claim 5, wherein the guide rod locking device comprises a fixing piece, a fixing block and a U-shaped hoop, the fixing piece is a welding piece and comprises a transverse block and a longitudinal block which are connected into a whole, the longitudinal block is positioned in the middle of the upper end face of the transverse block, the front end of the transverse block is provided with a concave part for clamping the first guide rod, and the longitudinal block is provided with two through holes for connecting with the U-shaped hoop; the transverse block is fixedly arranged on the upper end surface of the upper bottom plate;
the first guide rod is arranged in a concave part at the front end of the transverse block of the fixing piece, and the fixing block is arranged between the first guide rod and the second guide rod; the first guide rod and the second guide rod are locked at the end sides of the upper bottom plate through a U-shaped hoop connected with the fixing piece and are abutted against the end sides of the upper bottom plate, the lower bottom plate and the walkway foundation; the fixed block is located U type staple bolt locking department.
7. The submersible water impeller using the cantilever type guide rod device according to claim 5, wherein the positioning and supporting device comprises a welded steel frame, one side of the welded steel frame is provided with a fixing part for connecting with the first guide rod, and the fixing part is two pieces; the other side of the welded steel frame is a fixed frame for positioning the second guide rod, the front end opening of the fixed frame is in a trapezoid opening shape, the rear end of the fixed frame is provided with a cushion block which is attached to the inner side of the fixed frame, the cushion block and the fixed frame are provided with penetrating mounting holes, the cushion block is provided with a cushion block countersunk bolt hole, the fixed frame is provided with a cushion block threaded hole, and the cushion block is fastened in the fixed frame through the cushion block countersunk bolt hole and the cushion block threaded hole by a screw; the inner walls of two sides of the fixed frame are provided with backing plates attached to the inner walls, the backing plates and the fixed frame are provided with penetrating mounting holes, the backing plates are provided with backing plate countersunk head bolt holes, the fixed frame is provided with backing plate threaded holes, and the backing plates are fastened in the fixed frame through the backing plate countersunk head bolt holes and the backing plate threaded holes by screws;
the lower end side of the first guide rod is abutted against the two fixing parts, and a bolt penetrates through the bolt hole of the fixing part and the first guide rod to fasten the first guide rod on the fixing part of the positioning and supporting device;
the lower end of the second guide rod is pushed into the fixed frame from the opening at the front end of the fixed frame, and the lower end side of the second guide rod is abutted to the cushion block and the base plate.
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| CN201920742975.XU CN209989136U (en) | 2019-05-22 | 2019-05-22 | Cantilever type guide rod device and submersible water impeller applying same |
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| CN201920742975.XU CN209989136U (en) | 2019-05-22 | 2019-05-22 | Cantilever type guide rod device and submersible water impeller applying same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015752A (en) * | 2019-05-22 | 2019-07-16 | 桂林市排水工程管理处 | A kind of cantilevered guide rod device, submersible water impeller and its installation method using the device |
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2019
- 2019-05-22 CN CN201920742975.XU patent/CN209989136U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015752A (en) * | 2019-05-22 | 2019-07-16 | 桂林市排水工程管理处 | A kind of cantilevered guide rod device, submersible water impeller and its installation method using the device |
| CN110015752B (en) * | 2019-05-22 | 2024-05-28 | 桂林市排水工程管理处 | Cantilever guide rod device, submersible propeller using same and installation method thereof |
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