Novel impeller safe fixing and placing device

Abstract

The utility model discloses a novel impeller safe fixing and placing device which comprises a base, an inclined plate, a running trolley, a hand wheel and a rope. Inclined plates are obliquely arranged on the right side of the base front and back at intervals, and the left ends of the inclined plates obliquely extend upwards to the right ends of the corresponding front and back edges of the upper surface of the base and are integrally formed respectively; sliding grooves are formed in the front edge and the rear edge of the upper surface of the base and the upper surface of the corresponding inclined plate in the length direction in a collinear mode, and operation trolleys are arranged on the two sliding grooves respectively. Hand wheels are arranged on the front side surface and the rear side surface of the base close to the left upper corner, and each hand wheel is rotationally connected with the base; one end of each rope is connected to the corresponding hand wheel in a wound mode, the other end of each rope is connected with the corresponding operation trolley, the impeller is horizontally and longitudinally placed, the two ends of an impeller shaft of the impeller are fixed to the corresponding operation trolleys respectively, and then the operation trolleys are driven by rotating the hand wheels to transfer along the sliding grooves from bottom to top. The impeller transfer device can transfer impellers from bottom to top and is time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of steelmaking, in particular to a novel impeller safety fixing and placing device. Background Art

[0002] In each process link of the steel plant, the role of the water pump is crucial, so the fixed placement of the water pump impeller is particularly important. The daily placement of the water pump impeller is to place it on the ground or on a shelf, but this will bring the following problems: 1) When the impeller is placed on the ground, the side of the impeller and one end of the impeller shaft are subjected to force, and the impeller is prone to rolling, which causes the impeller blades or impeller shaft to be easily deformed, worn or broken; 2) When the impeller is placed on the shelf, the two ends of the impeller shaft are subjected to force. If it is not used for a long time, it is easy to cause the impeller shaft to bend. In addition, due to the heavy weight of the impeller, it needs to be put on the shelf with the help of handling tools, which is time-consuming and labor-intensive, and there are greater safety risks during the transportation process. Therefore, the above problems need to be solved urgently. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a novel impeller safe fixing and placing device, which realizes the impeller's bottom-up transportation through the coordinated use of a hand wheel, a cable, a running trolley and a slide, saves time and effort, and can prevent the impeller from deformation.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: a novel impeller safety fixing and placing device of the utility model, the innovation of which is that it includes a base, an inclined plate, a running trolley, a hand wheel and a cable; the base is a hollow rectangular parallelepiped frame structure arranged horizontally and transversely, and inclined plates are arranged symmetrically and horizontally at intervals on the right side thereof, the right end of each inclined plate is arranged in the same horizontal plane as the bottom end of the base, and the left end thereof extends obliquely upward to the right end of the corresponding front and rear edges of the upper surface of the base, and is integrally formed with the base respectively; on the front and rear edges of the upper surface of the base and the corresponding The upper surface of the inclined plate is also linearly embedded with slide grooves along its length direction, and the two slide grooves are arranged on the outside, and a running trolley is provided on them respectively; hand wheels are vertically and horizontally provided on the front and rear sides of the base near its upper left corner, and each of the hand wheels is connected to the base for rotation around its own axis; one end of each of the cables is respectively wrapped around the corresponding hand wheel, and the other end is respectively connected to the corresponding running trolley, the impeller is placed horizontally and longitudinally, and the two ends of the impeller shaft are respectively fixed on the corresponding running trolley, and then the running trolley is driven to be transported from bottom to top along the slide groove by rotating the hand wheel.

[0005] Preferably, the slide grooves on the base and the inclined plate on the same side are both arranged on the outside, and the two are respectively arranged in a straight line to connect with each other, thereby ensuring that the movement of the operating trolley from the inclined plate to the base is not affected.

[0006] Preferably, the top of the right side surface of the base is open, and ensures that there is no interference with the impeller's bottom-up transport action.

[0007] Preferably, it also includes a fixing plate; a fixing plate for positioning the impeller shaft is vertically and horizontally provided at the middle position of the front and rear edges of the upper surface of the base, and each of the fixing plates is spaced apart and arranged on the inner side of the corresponding slide groove, and does not interfere with the movement of the running trolley along the slide groove; a fixing groove is embedded on the right side of the upper surface of each of the fixing plates, and each of the fixing grooves vertically penetrates the front and rear surfaces and the right side surface of the corresponding fixing plate, so that during the impeller transportation from bottom to top, the impeller is fixed by the fixing groove The leftward movement is limited, and the impeller is supported by positioning the impeller shaft in the corresponding fixed groove; an arc-shaped boss is vertically aligned with the right half of the fixed groove on each of the fixed plates, and each of the arc-shaped bosses is integrally formed with the corresponding fixed plate, and the height and curvature of each of the arc-shaped bosses must ensure that there is no interference with the movement of the impeller shaft to the left into the fixed groove, and that there is no influence on the positioning of the impeller shaft in the corresponding fixed groove, thereby creating a certain resistance to the impeller leaving the fixed plate to the right through the arc-shaped boss.

[0008] Preferably, each of the operating trolleys includes a vehicle plate, a pillar, a roller, an upper locking plate, a lower locking plate and a lock; a vehicle plate is also horizontally arranged directly above the slide groove of the base, and each of the vehicle plates is spaced apart and arranged on the outer side of the corresponding fixed plate; pillars are also vertically symmetrically arranged at four right angles on the lower surface of each vehicle plate, and rollers matching the slide groove are also vertically and horizontally arranged between each two adjacent pillars, and each of the rollers is connected to the corresponding pillar through a rotating shaft for rotation around its own axis, and through the cooperation of the roller and the slide groove, the vehicle plate moves along the slide groove, and ensures that the fixed plate does not interfere with the movement of the vehicle plate; in the middle position of the upper surface of each vehicle plate A lower locking plate is also provided vertically and horizontally, and a lower semicircular groove matching the impeller shaft is vertically embedded in the middle position of the upper surface of each lower locking plate; each upper locking plate is vertically and horizontally aligned on the corresponding lower locking plate, and the right end of its lower surface is vertically hinged with the corresponding lower locking plate, and an upper semicircular groove matching the impeller shaft is vertically embedded in its lower surface relative to the position of the lower semicircular groove; a locking buckle is also provided on the left side of each upper locking plate, and the upper locking plate and the corresponding lower locking plate are locked and fixed by the locking buckle, and then the impeller shaft is supported and locked and fixed by the cooperation of the upper semicircular groove and the corresponding lower semicircular groove.

[0009] Preferably, they also include connecting rods and pulling blocks; a connecting rod is horizontally arranged between the outer side surfaces of each two of the pillars on the outside, and each of the connecting rods is arranged in the same horizontal plane as the upper end of the corresponding hand wheel, and does not interfere with the movement of the rollers in the corresponding slide grooves; a pulling block is vertically arranged in the middle position of the outer side surface of each connecting rod, and the other end of each of the cables is fixed on the corresponding pulling block, so that the operating trolley is driven to move along the slide groove by rotating the hand wheel.

[0010] Preferably, limit rods are provided along the length direction of the front and rear edges of the upper surface of the base and the upper surface of the corresponding inclined plate relative to each slide groove, and each of the limit rods is spaced apart in the direction area surrounded by four adjacent pillars, and are spaced apart from the front and rear edges of the upper surface of the base and the upper surface of the corresponding inclined plate, and the left end of each limit rod is fixedly connected vertically downward to the left end of the front and rear edges of the upper surface of the base, and the right end is fixedly connected vertically downward to the right end of the upper surface of the corresponding inclined plate, so that the movement of the operating trolley along the slide groove is limited in the front and rear directions by the limit rod, and it is ensured that the limit rod does not interfere with the movement of the operating trolley along the slide groove.

[0011] Preferably, it also includes a support bolt, a lifting plate and a support block; a lifting plate is also horizontally and longitudinally arranged at the middle position of the inner bottom surface of the base relative to the lower part of the impeller, and the front and rear ends of the lifting plate are respectively vertically extended out of the front and rear surfaces of the base; fixed plates are also horizontally arranged at the positions directly below the front and rear ends of the lifting plate on the front and rear surfaces of the base, and each of the fixed plates is respectively formed integrally with the base; support bolts are also vertically screwed on the lower surface of each of the fixed plates, and the upper end of each of the support bolts is respectively abutted against the front and rear ends of the lower surface of the lifting plate, and then by rotating the support bolts, the lifting plate is driven to move vertically up and down in the base, and it is ensured that the base does not interfere with the vertical up and down movement of the lifting plate; a support block is also horizontally and transversely arranged at the middle position of the upper surface of the lifting plate, and a circular arc groove matching the bottom of the impeller is vertically embedded in the upper surface of the support block, and the setting position of the circular arc groove corresponds to the position of the impeller when the impeller shaft is positioned in the fixed groove, and then the lifting plate moves vertically upward, and the bottom of the impeller is supported by the circular arc groove of the support block.

[0012] Preferably, the lower limit position of the lifting plate needs to ensure that the support block does not interfere with the bottom-up transportation of the impeller with the running trolley, and the upper limit position needs to ensure that the support block can support the bottom of the impeller.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model realizes the transfer of the impeller from bottom to top through the coordinated use of a hand wheel, a rope, a running trolley and a slideway, which saves time and effort and can prevent the impeller from deformation;

[0015] (2) The utility model realizes self-locking of the impeller by using the upper locking plate, the lower locking plate and the lock buckle in coordination, thereby preventing the impeller from falling off during transportation;

[0016] (3) The utility model uses the supporting bolts, the lifting plate and the supporting block in coordination. When the impeller is fixed, the bottom of the impeller can be supported by the supporting block, so that each force point of the impeller is evenly stressed, thereby preventing the impeller from being deformed;

[0017] (4) The utility model can effectively support the impeller shaft of the impeller by providing a fixed plate, and then cooperate with the support block to ensure the stability of the fixed placement of the impeller;

[0018] (5) The utility model can limit the movement of the running trolley along the slide groove by setting a limit rod to prevent the running trolley from derailing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 The utility model is a structural schematic diagram of a novel impeller safety fixing and placing device.

[0021] Figure 2 This is a schematic diagram from another perspective of a novel impeller safety fixing and placement device of the utility model.

[0022] Figure 3 for Figure 2 Enlarged schematic diagram of part A.

[0023] Among them, 1-base; 2-support bolt; 3-lifting plate; 4-roller; 5-handwheel; 6-cable; 7-lock; 8-car plate; 9-upper locking plate; 10-fixed plate; 11-support block; 12-impeller; 13-pillar; 14-connecting rod; 15-pull block; 16-inclined plate; 17-lower locking plate; 18-slide groove; 19-limit rod. DETAILED DESCRIPTION

[0024] The technical solution of the utility model will be clearly and completely described below through specific implementation methods.

[0025] The utility model discloses a novel impeller safety fixing and placing device, comprising a base 1, an inclined plate 16, a running trolley, a hand wheel 5 and a cable 6; the specific structure is as follows Figures 1 to 3 As shown, the base 1 is a hollow rectangular parallelepiped frame structure arranged horizontally and transversely, and inclined plates 16 are arranged horizontally and transversely and symmetrically on the right side thereof at intervals. The right end of each inclined plate 16 is arranged at the same horizontal plane as the bottom end of the base 1, and the left end thereof is inclined and extends upward to the right end of the corresponding front and rear edges of the upper surface of the base 1, and is formed integrally with the base 1; the front and rear edges of the upper surface of the base 1 and the upper surface of the corresponding inclined plate 16 are also respectively embedded with a slide groove 18 in a straight line along the length direction thereof, and the two slide grooves 18 are both arranged on the outside, and a running trolley is also arranged on them; wherein, the slide grooves 18 on the base 1 and the inclined plate 16 on the same side are both arranged on the outside, and the two are respectively arranged in a straight line and butt-jointed, thereby ensuring that the movement of the running trolley from the inclined plate 16 to the base 1 is not affected. The top of the right side of the base 1 of the utility model is open, and ensures that there is no interference with the bottom-up transport action of the impeller 12.

[0026] The utility model also has hand wheels 5 vertically and horizontally arranged on the front and rear sides of the base 1 near its upper left corner, and each hand wheel 5 is respectively connected to the base 1 for rotation around its own axis; Figures 1 to 3 As shown, one end of each cable 6 is respectively wound around the corresponding hand wheel 5, and the other end thereof is respectively connected to the corresponding operating trolley, the impeller 12 is placed horizontally and longitudinally, and the two ends of its impeller shaft are respectively fixed on the corresponding operating trolley, and then the operating trolley is driven to be transported from bottom to top along the slide groove 18 by rotating the hand wheel 5; fixed plates 10 for positioning the impeller shaft are respectively vertically and horizontally provided at the middle position of the front and rear edges of the upper surface of the base 1, and each fixed plate 10 is spaced apart and arranged on the inner side of the corresponding slide groove 18, and does not interfere with the movement of the operating trolley along the slide groove 18; fixed grooves are respectively embedded on the right side of the upper surface of each fixed plate 10, and each fixed groove is respectively vertically It passes through the front and rear surfaces and the right side surface of the corresponding fixed plate 10, and then during the transportation of the impeller 12 from bottom to top, the leftward movement of the impeller 12 is limited by the fixed groove, and the impeller shaft is positioned in the corresponding fixed groove to support the impeller 12; on each fixed plate 10, an arc-shaped boss is vertically aligned with the right half of the fixed groove, and each arc-shaped boss is integrally formed with the corresponding fixed plate 10, and the height and curvature of each arc-shaped boss must ensure that there is no interference with the movement of the impeller shaft to the left into the fixed groove, and it must ensure that there is no influence on the positioning of the impeller shaft in the corresponding fixed groove, and then a certain resistance is created by the arc-shaped boss to the impeller 12 leaving the fixed plate 10 to the right.

[0027] Each of the moving trolleys includes a trolley plate 8, a support column 13, a roller 4, an upper locking plate 9, a lower locking plate 17, a lock buckle 7, a connecting rod 14 and a pull block 15; Figures 1 to 3 As shown, a car plate 8 is horizontally arranged just above the slide groove 18 of the base 1, and each car plate 8 is arranged at intervals on the outside of the corresponding fixed plate 10; pillars 13 are vertically and symmetrically arranged at four right angles on the lower surface of each car plate 8, and rollers 4 matching the slide groove 18 are vertically and horizontally arranged between each two adjacent pillars 13, and each roller 4 is connected to the corresponding pillar 13 around its own axial rotation through a rotating shaft, and through the cooperation of the roller 4 and the slide groove 18, the car plate 8 moves along the slide groove 18, and ensures that the fixed plate 10 does not interfere with the movement of the car plate 8; a lower locking plate 17 is vertically and horizontally arranged in the middle position of the upper surface of each car plate 8 , and a lower semicircular groove matching the impeller shaft is vertically embedded in the middle position of the upper surface of each lower locking plate 17; each upper locking plate 9 is vertically and horizontally aligned on the corresponding lower locking plate 17, and the right end of its lower surface is vertically hinged with the corresponding lower locking plate 17, and an upper semicircular groove matching the impeller shaft is vertically embedded in its lower surface relative to the position of the lower semicircular groove; a lock buckle 7 is also provided on the left side of each upper locking plate 9, and the upper locking plate 9 is locked and fixed with the corresponding lower locking plate 17 by the lock buckle 7, and then the impeller shaft is supported and locked and fixed by the cooperation of the upper semicircular groove and the corresponding lower semicircular groove.

[0028] like Figures 1 to 3 As shown, a connecting rod 14 is horizontally provided between the outer side surfaces of each two pillars 13 on the outer side, and each connecting rod 14 is arranged in the same horizontal plane as the upper end of the corresponding hand wheel 5, and does not interfere with the movement of the roller 4 in the corresponding slide groove 18; a pulling block 15 is vertically provided in the middle position of the outer side surface of each connecting rod 14, and the other end of each cable 6 is fixed on the corresponding pulling block 15, and then the operating trolley is driven to move along the slide groove 18 by rotating the hand wheel 5.

[0029] like Figures 1 to 3 As shown, limit rods 19 are respectively provided along the length direction of the front and rear edges of the upper surface of the base 1 and the upper surface of the corresponding inclined plate 16 directly above each slide groove 18, and each limit rod 19 is spaced apart in the direction area surrounded by the corresponding four adjacent pillars 13, and is respectively spaced apart from the front and rear edges of the upper surface of the base 1 and the upper surface of the corresponding inclined plate 16, and the left end of each limit rod 19 is respectively vertically downward and fixedly connected to the left end of the front and rear edges of the upper surface of the base 1, and the right end thereof is respectively vertically downward and fixedly connected to the right end of the upper surface of the corresponding inclined plate 16, thereby limiting the movement of the operating trolley along the slide groove 18 in the front and rear directions through the limit rod 19, and ensuring that the limit rod 19 does not interfere with the movement of the operating trolley along the slide groove 18.

[0030] The utility model also has a lifting plate 3 horizontally and longitudinally arranged at the middle position of the inner bottom surface of the base 1 relative to the lower part of the impeller 12, and the front and rear ends of the lifting plate 3 respectively extend vertically out of the front and rear surfaces of the base 1; Figures 1 to 3 As shown, fixed plates are horizontally provided on the front and rear surfaces of the base 1 at positions just below the front and rear ends of the lifting plate 3, and each fixed plate is integrally formed with the base 1; support bolts 2 are vertically screwed on the lower surface of each fixed plate, and the upper end of each support bolt 2 abuts against the front and rear ends of the lower surface of the lifting plate 3, and then the lifting plate 3 is driven to move vertically up and down in the base 1 by rotating the support bolts 2, and it is ensured that the base 1 does not interfere with the vertical up and down movement of the lifting plate 3; a support block 11 is horizontally and laterally provided in the middle position of the upper surface of the lifting plate 3, and an arc groove matching the bottom of the impeller 12 is vertically embedded in the upper surface of the support block 11, and the setting position of the arc groove corresponds to the position of the impeller 12 when the impeller shaft is positioned in the fixed groove, and then the lifting plate 3 moves vertically upward, and the bottom of the impeller 12 is supported by the arc groove of the support block 11. Among them, the lower limit position of the lifting plate 3 needs to ensure that the support block 11 does not interfere with the bottom-up transportation action of the impeller 12 with the running trolley, and its upper limit position needs to ensure that the support block 11 can support the bottom of the impeller 12.

[0031] The working principle of the utility model is as follows: first, the two ends of the impeller shaft of the impeller 12 are placed coaxially in the lower semicircular groove of the corresponding lower locking plate 17, and then the corresponding upper locking plate 9 is rotated to align it with the corresponding lower locking plate 17, and then the upper locking plate 9 and the corresponding lower locking plate 17 are locked and fixed by the lock buckle 7, and then the impeller shaft is supported and locked and fixed by the cooperation of the upper semicircular groove and the corresponding lower semicircular groove; then the hand wheel 5 is rotated to drive the operating trolley to move along the slide groove 18, the impeller 12 is transported from bottom to top, and positioned in the fixed groove of the fixed plate 10, and then the lifting plate 3 is moved vertically upward by rotating the supporting bolt 2, and the bottom of the impeller 12 is supported by the arc groove of the support block 11, so as to prevent the impeller 12 from being deformed by force.

[0032] Beneficial effects of the utility model:

[0033] (1) The utility model realizes the transfer of the impeller 12 from bottom to top through the coordinated use of the hand wheel 5, the cable 6, the operating trolley and the slide 18, which saves time and effort and can prevent the impeller 12 from being deformed;

[0034] (2) The utility model realizes self-locking of the impeller 12 by using the upper locking plate 9, the lower locking plate 17 and the lock buckle 7 in coordination, thereby preventing the impeller 12 from falling off during transportation;

[0035] (3) The utility model uses the supporting bolts 2, the lifting plate 3 and the supporting block 11 in coordination. When the impeller 12 is fixedly placed, the bottom of the impeller 12 can be supported by the supporting block 11, so that each force point of the impeller 12 is evenly stressed, thereby preventing the impeller 12 from being deformed;

[0036] (4) The utility model can effectively support the impeller shaft of the impeller 12 by providing the fixed plate 10, and then cooperate with the support block 11 to ensure the stability of the fixed placement of the impeller 12;

[0037] (5) The utility model provides a limit rod 19 to limit the movement of the running trolley along the slide groove 18, thereby preventing the running trolley from derailing.

[0038] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field should fall within the protection scope of the present invention. The technical contents for which protection is sought in the present invention have been fully recorded in the technical requirements.

Claims

1. A new impeller safety fixing device, Features: The utility model comprises a base, an inclined plate, a running trolley, a hand wheel and a cable; the base is a hollow rectangular parallelepiped frame structure arranged horizontally and transversely, and inclined plates are arranged horizontally and transversely and symmetrically at intervals on the right side thereof, the right end of each inclined plate is arranged on the same horizontal plane as the bottom end of the base, and the left end thereof is inclined and extends upward to the right end of the corresponding front and rear edges of the upper surface of the base, and is integrally formed with the base; the front and rear edges of the upper surface of the base and the upper surface of the corresponding inclined plate are respectively embedded with openings in a straight line along their length direction. A slide groove, the two slide grooves are arranged on the outer side, and a running trolley is provided on them respectively; hand wheels are vertically and horizontally provided on the front and rear sides of the base near its upper left corner, and each of the hand wheels is connected to the base for rotation around its own axis; one end of each of the cables is respectively wound around the corresponding hand wheel, and the other end is respectively connected to the corresponding running trolley, the impeller is placed horizontally and longitudinally, and the two ends of the impeller shaft are respectively fixed on the corresponding running trolley, and then the running trolley is driven to be transported from bottom to top along the slide groove by rotating the hand wheel.

2. A novel impeller safety fixing and placing device according to claim 1, Features: The base and the slide grooves on the inclined plate on the same side are both arranged on the outside, and the two are respectively arranged in a straight line to connect with each other, thereby ensuring that the movement of the operating trolley from the inclined plate to the base is not affected.

3. A novel impeller safety fixing and placing device according to claim 1, Features: The top of the right side surface of the base is open, and ensures that there is no interference with the impeller's bottom-up transport action.

4. A novel impeller safety fixing and placing device according to claim 2, Features: The pedestal further comprises a fixing plate; fixing plates for positioning the impeller shaft are respectively arranged vertically and horizontally at the middle positions of the front and rear edges of the upper surface of the base, and each of the fixing plates is arranged at intervals on the inner side of the corresponding slide groove, and does not interfere with the movement of the running trolley along the slide groove; a fixing groove is respectively embedded on the right side of the upper surface of each of the fixing plates, and each of the fixing grooves vertically penetrates the front and rear surfaces and the right side surface of the corresponding fixing plate, so that during the impeller transfer from bottom to top, the impeller is moved to the left through the fixing groove The movement is limited, and the impeller is supported by positioning the impeller shaft in the corresponding fixed groove; an arc-shaped boss is vertically aligned with the right half of the fixed groove on each of the fixed plates, and each of the arc-shaped bosses is integrally formed with the corresponding fixed plate, and the height and curvature of each of the arc-shaped bosses must ensure that there is no interference with the movement of the impeller shaft to the left into the fixed groove, and that there is no influence on the positioning of the impeller shaft in the corresponding fixed groove, thereby causing a certain resistance to the impeller leaving the fixed plate to the right through the arc-shaped boss.

5. A novel impeller safety fixing and placing device according to claim 4, Features: Each of the operating trolleys comprises a vehicle plate, a pillar, a roller, an upper locking plate, a lower locking plate and a lock buckle; a vehicle plate is also horizontally arranged directly above the slide groove of the base, and each of the vehicle plates is spaced apart and arranged on the outer side of the corresponding fixed plate; pillars are vertically and symmetrically arranged at four right angles on the lower surface of each vehicle plate, and rollers matching the slide groove are vertically and horizontally arranged between each two adjacent pillars in front and behind, and each roller is respectively connected to the corresponding pillar through a rotating shaft for rotation around its own axis, and through the cooperation of the roller and the slide groove, the vehicle plate moves along the slide groove, and ensures that the fixed plate does not interfere with the movement of the vehicle plate; a vertical support is also arranged in the middle position of the upper surface of each vehicle plate A lower locking plate is provided vertically and horizontally, and a lower semicircular groove matching the impeller shaft is vertically embedded in the middle position of the upper surface of each lower locking plate; each upper locking plate is vertically and horizontally aligned on the corresponding lower locking plate, and the right end of its lower surface is vertically hinged with the corresponding lower locking plate, and an upper semicircular groove matching the impeller shaft is vertically embedded in its lower surface relative to the position of the lower semicircular groove; a locking buckle is also provided on the left side of each upper locking plate, and the upper locking plate and the corresponding lower locking plate are locked and fixed by the locking buckle, and then the impeller shaft is supported and locked and fixed by the cooperation of the upper semicircular groove and the corresponding lower semicircular groove.

6. A novel impeller safety fixing and placing device according to claim 5, Features: They also include connecting rods and pulling blocks; a connecting rod is horizontally arranged between the outer side surfaces of each two of the pillars on the outside, and each of the connecting rods is arranged in the same horizontal plane as the upper end of the corresponding hand wheel, and does not interfere with the movement of the rollers in the corresponding slide grooves; a pulling block is vertically arranged in the middle position of the outer side surface of each connecting rod, and the other end of each of the cables is fixed on the corresponding pulling block, and then the operating trolley is driven to move along the slide groove by rotating the hand wheel.

7. A novel impeller safety fixing and placing device according to claim 5, Features: Limit rods are also provided along the length direction of the front and rear edges of the upper surface of the base and the upper surface of the corresponding inclined plate directly above each slide groove, and each of the limit rods is spaced apart in the direction area surrounded by the corresponding four adjacent pillars, and are spaced apart from the front and rear edges of the upper surface of the base and the upper surface of the corresponding inclined plate, and the left end of each limit rod is fixedly connected vertically downward to the left end of the front and rear edges of the upper surface of the base, and the right end is fixedly connected vertically downward to the right end of the upper surface of the corresponding inclined plate, so that the movement of the operating trolley along the slide groove is limited in the front and rear directions by the limit rod, and it is ensured that the limit rod does not interfere with the movement of the operating trolley along the slide groove.

8. A novel impeller safety fixing and placing device according to claim 1, Features: The utility model also includes a support bolt, a lifting plate and a support block; a lifting plate is also horizontally and longitudinally arranged at the middle position of the inner bottom surface of the base relative to the lower part of the impeller, and the front and rear ends of the lifting plate are respectively vertically extended out of the front and rear surfaces of the base; fixed plates are also horizontally arranged at the positions directly below the front and rear ends of the lifting plate on the front and rear surfaces of the base, and each of the fixed plates is respectively formed integrally with the base; a support bolt is also vertically screwed on the lower surface of each of the fixed plates, and the upper end of each of the support bolts is respectively abutted against the front and rear ends of the lower surface of the lifting plate, and then by rotating the support bolt, the lifting plate is driven to move vertically up and down in the base, and it is ensured that the base does not interfere with the vertical up and down movement of the lifting plate; a support block is also horizontally and transversely arranged at the middle position of the upper surface of the lifting plate, and a circular arc groove matching the bottom of the impeller is vertically embedded in the upper surface of the support block, and the setting position of the circular arc groove corresponds to the position of the impeller when the impeller shaft is positioned in the fixed groove, and then the lifting plate moves vertically upward, and the bottom of the impeller is supported by the circular arc groove of the support block.

9. A novel impeller safety fixing and placing device according to claim 8, Features: The lower limit position of the lifting plate needs to ensure that the support block does not interfere with the bottom-up transportation of the impeller with the running trolley, and the upper limit position needs to ensure that the support block can support the bottom of the impeller.

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