CN219455047U

CN219455047U - Coaxiality detection device of cooling fan impeller

Info

Publication number: CN219455047U
Application number: CN202223273887.0U
Authority: CN
Inventors: 肖青梅
Original assignee: Nanjing Baihong Technology Co ltd
Current assignee: Nanjing Baihong Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-08-01
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a coaxiality detection device of a cooling fan impeller, which comprises a placing plate, wherein the bottom end of the placing plate is fixedly connected with a connecting plate, two groups of pulley blocks are fixedly connected to the side wall of the placing plate above the connecting plate, the top of the side wall of the placing plate is fixedly connected with a connecting block through bolts, the middle position of the connecting block is fixedly connected with a first connecting rod, the bottom end of the first connecting rod is fixedly connected with a first auxiliary shell, one side of the first auxiliary shell is provided with a pull rod, and the middle position of one side of the placing plate is fixedly connected with a second auxiliary shell. This kind of radiator fan impeller's axiality detection device is through being provided with pull rod, first auxiliary housing, second connecting rod, spring, rectangular channel, rectangular piece, second spout, slider and stopper when using, through the mutually supporting between the part, has realized the maintenance of being convenient for of this kind of radiator fan impeller's axiality detection device internal spring to the stability of this kind of radiator fan impeller's axiality detection device has been improved.

Description

Coaxiality detection device of cooling fan impeller

Technical Field

The utility model relates to the technical field of coaxiality detection devices, in particular to a coaxiality detection device for a cooling fan impeller.

Background

The automobile water tank is an important part of a water-cooled engine, can absorb heat of a cylinder body, prevents the engine from overheating, and uses cooling liquid as a carrier to dissipate heat through a large-area radiating fin of the water tank so as to maintain proper working temperature of the engine.

The radiator fan impeller needs a certain detection device to confirm whether the parts are qualified or not, and for fan impeller parts, some sizes cannot be read from a standard detection tool, if the sizes do not meet the standard, the cooling effect of an automobile water tank can be affected, so that a coaxiality detection device needs to be designed to solve the problem.

Prior art solutions, for example: the utility model provides a coaxiality detection device, which belongs to the technical field of machinery. It has solved the problem that current axiality detection device detection efficiency is low. The coaxiality detection device comprises a base and a vertical plate vertically fixed on the base, wherein a through hole for a workpiece to be detected to pass through is formed in the vertical plate, a first lower positioning block and a second lower positioning block are arranged on the vertical plate, a first bearing which is coaxially arranged is positioned on the first lower positioning block through a first stepped cylindrical pin, a second bearing which is coaxially arranged is positioned on the second lower positioning block through a second stepped cylindrical pin, the central axis of the first bearing is parallel to the central axis of the through hole, the central axis of the second bearing is parallel to the central axis of the through hole, the first bearing is symmetrically arranged with the second bearing, a rolling compaction structure for compacting the workpiece to be detected after the workpiece to be detected is placed on the first bearing and the second bearing is further arranged on the vertical plate, and a lever dial gauge is arranged on the base. The utility model has the advantages of easy operation, easy measurement, high detection efficiency and the like.

To above-mentioned technical scheme, there is following problem, when using this kind of radiator fan impeller's axiality detection device, inside is provided with the compress tightly structure, and the compress tightly structure top is provided with the spring, is swing joint between the spring is corresponding to the structure, makes things convenient for the replacement of spring to guarantee that the spring takes place to lose elasticity and phenomenon such as fracture through incessant work.

Disclosure of Invention

The utility model aims to provide a coaxiality detection device of a cooling fan impeller, which is used for solving the problems that the coaxiality detection device of the cooling fan impeller which is common in the market and is proposed in the background technology is provided with a compression structure inside when the coaxiality detection device of the cooling fan impeller is used, a spring is arranged above the compression structure and is movably connected between the structures, so that the replacement of the spring is convenient, and the phenomena of elasticity loss, fracture and the like of the spring are guaranteed to occur through uninterrupted work.

In order to achieve the above purpose, the present utility model provides the following technical solutions: axiality detection device of radiator fan impeller, including placing the board, its characterized in that: the bottom end of the placing plate is fixedly connected with a connecting plate, two groups of pulley blocks are fixedly connected to the side wall of the placing plate above the connecting plate, the top of the side wall of the placing plate is fixedly connected with a connecting block through bolts, the middle position of the connecting block is fixedly connected with a first connecting rod, the bottom end of the first connecting rod is fixedly connected with a first auxiliary shell, one side of the first auxiliary shell is provided with a pull rod, and the middle position of one side of the placing plate is fixedly connected with a second auxiliary shell;

the inside of first auxiliary housing is provided with the spring, and spring top and pull rod bottom fixed connection, the bottom of first auxiliary housing runs through there is the second connecting rod, spring top and the inside wall looks joint of first auxiliary housing, the top fixed connection of bottom and the second connecting rod of spring, the top fixedly connected with rectangle piece of spring, rectangular channel has been seted up to the inside that the top of spring is located first auxiliary housing.

Through the technical scheme, the spring is convenient to maintain.

Preferably, the second connecting rod is fixedly connected with a movable pulley through the inside of penetrating through the second auxiliary shell, the bottom joint of the second connecting rod inside the second auxiliary shell is provided with a fixed rod, and the bottom of the fixed rod is provided with a first chute inside the second auxiliary shell.

Through above-mentioned technical scheme, realized that the dead lever provides holding power and activity space for the second connecting rod.

Preferably, the first sliding groove is internally connected with a ball in a sliding manner, and the top end of the ball is fixedly connected with the bottom end of the fixing rod.

Through the technical scheme, the ball body slides in the first sliding groove.

Preferably, the top of the fixing rod is fixedly connected with a bump, a groove is formed in the second connecting rod above the fixing rod, and the inner side of the groove is clamped with the outer side of the bump.

Through above-mentioned technical scheme, realized the dismantlement of dead lever and be convenient for change.

Preferably, the inner side of the rectangular groove is clamped with the outer side of the rectangular block.

Through above-mentioned technical scheme, the connection of spring and first auxiliary housing has been assisted.

Preferably, the left side of the rectangular groove is positioned in the first auxiliary shell, a second sliding groove is formed in the rectangular groove, a sliding block is connected in the second sliding groove in a sliding mode, and a groove body which is supplied to the second sliding groove for insertion is formed in the inner side of the rectangular block.

Through the technical scheme, the limit of the rectangular block is realized.

Preferably, the right side of rectangular block is located the lateral wall of first auxiliary housing and is connected with the stopper through the bolt fixedly, the inside shape of stopper corresponds with the outside shape of second spout tip, the inboard of stopper and the outside looks joint of second spout.

Through above-mentioned technical scheme, realized the joint of second spout and stopper.

Compared with the prior art, the utility model has the beneficial effects that:

firstly, through the mutual matching among the components, the convenience of maintenance of the spring in the coaxiality detection device of the cooling fan impeller is realized, so that the stability of the coaxiality detection device of the cooling fan impeller is improved; secondly, through being provided with second connecting rod, second auxiliary housing, dead lever, recess and lug, realized the dismantlement of this kind of radiator fan impeller's axiality detection device internal fixation pole and be convenient for change to the suitability of this kind of radiator fan impeller's axiality detection device has been improved.

Drawings

FIG. 1 is a schematic top view of a device placement plate of the present utility model;

FIG. 2 is a schematic side view of the overall placement plate of the present utility model;

FIG. 3 is a schematic view of the internal structure of a second auxiliary housing according to the present utility model;

FIG. 4 is a schematic top view of a first auxiliary housing according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.

In the figure: 1. placing a plate; 2. a connecting plate; 3. pulley block; 4. a movable pulley; 5. a pull rod; 6. a first connecting rod; 7. a connecting block; 8. a first auxiliary housing; 9. a second connecting rod; 10. a second auxiliary housing; 11. a fixed rod; 12. a first chute; 13. a sphere; 14. a groove; 15. a bump; 16. a spring; 17. rectangular grooves; 18. rectangular blocks; 19. a second chute; 20. a slide block; 21. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: referring to fig. 1 and 2, a coaxiality detection device of a cooling fan impeller, including placing board 1, the bottom fixedly connected with connecting plate 2 of placing board 1, place board 1 and provide for connecting plate 2 and place the space, the lateral wall of placing board 1 is located two sets of assembly pulleys 3 of top fixedly connected with of connecting plate 2, the contained angle of two sets of assembly pulleys 3 is one hundred twenty degrees, the top of placing board 1 lateral wall is through bolt fixedly connected with connecting block 7, place board 1 provides holding power for connecting block 7, the intermediate position fixedly connected with head rod 6 of connecting block 7, connecting block 7 provides for head rod 6 places the space, head rod 6 bottom fixedly connected with first auxiliary housing 8, head rod 6 provides holding power for first auxiliary housing 8, first auxiliary housing 8 one side is provided with pull rod 5, the intermediate position fixedly connected with second auxiliary housing 10 of placing board 1 one side, place board 1 provides for second auxiliary housing 10 and places the space, the bottom of first auxiliary housing 8 is run through there is second connecting rod 9, first auxiliary housing 8 provides for second connecting rod 9 and places the space, second connecting rod 9 is through running through inside fixedly connected with first auxiliary housing 10 and two hundred pulley pulleys 4, two hundred degrees of activity pulley 3 are all contained angles.

Referring to fig. 3, the second connecting rod 9 is located at the bottom end of the inside of the second auxiliary housing 10 and is clamped with the fixing rod 11, the second auxiliary housing 10 provides a placing space for the fixing rod 11, the fixing rod 11 provides a supporting force for the second connecting rod 9, the first sliding groove 12 is formed in the bottom end of the fixing rod 11 and is located inside the second auxiliary housing 10, the ball 13 is slidably connected inside the first sliding groove 12, the top end of the ball 13 is fixedly connected with the bottom end of the fixing rod 11, the top end of the fixing rod 11 is fixedly connected with the protruding block 15, the groove 14 is formed in the inside of the fixing rod 11 above the second connecting rod 9, the second connecting rod 9 provides a forming space for the groove 14, the inner side of the groove 14 is clamped with the outer side of the protruding block 15, and the groove 14 provides limiting for the protruding block 15.

Referring to fig. 4 and 5, the inside of the first auxiliary housing 8 is provided with a spring 16, the top end of the spring 16 is fixedly connected with the bottom end of the pull rod 5, the top end of the spring 16 is fixedly connected with the inner side wall of the first auxiliary housing 8, the bottom end of the spring 16 is fixedly connected with the top end of the second connecting rod 9, the top end of the spring 16 is fixedly connected with a rectangular block 18, the inside of the rectangular block 17 is clamped with the outside of the rectangular block 18, the rectangular block 17 provides limiting for the rectangular block 18, the left side of the rectangular block 17 is positioned in the inside of the first auxiliary housing 8 and provided with a second sliding groove 19, the first auxiliary housing 8 provides a space for the second sliding groove 19, a sliding block 20 is slidably connected in the inside of the second sliding groove 19, the inside of the rectangular block 18 is provided with a groove body which is inserted in the second sliding groove 19, the right side wall of the rectangular block 18 is positioned in the first auxiliary housing 8 and is fixedly connected with a limiting block 21 through a bolt, the limiting block 21 is made of a plastic material, the inner shape of the limiting block 21 corresponds to the outer shape of the end of the second sliding groove 19, and the inner side of the limiting block 21 is clamped with the outer side of the second sliding groove 19.

Working principle: firstly, when the coaxiality detection device of the cooling fan impeller is used, the movable pulley 4 is pushed upwards, the movable pulley 4 drives the second connecting rod 9 to rise, the ball 13 slides on the inner side of the first chute 12, the second connecting rod 9 drives the spring 16 to shrink, the fan impeller is placed at the middle position of the two groups of pulley blocks 3 and the movable pulley 4, the fan impeller is rotated, the pulley blocks 3 and the movable pulley 4 rotate along with the fan impeller, the pull rod 5 is held at the moment, whether the pull rod 5 has thrust force or not is sensed, the vibration amplitude of the spring 16 is observed, if a thrust phenomenon exists, and the vibration amplitude of the spring 16 is overlarge, so that the axiality problem of the fan impeller is proved.

Secondly, when the fixed rod 11 is worn and worn in uninterrupted operation and needs to be replaced, the disassembling and replacing operation of the fixed rod 11 can be completed only by clamping the groove 14 with the projection 15, when the spring 16 is subjected to uninterrupted detection and shrinkage of the device and needs maintenance, the sliding block 20 slides in a direction away from the limiting block 21, at the moment, the second sliding groove 19 provides a sliding space for the sliding block 20, the limiting block 21 deforms, the end part of the sliding block 20 is separated from the limiting block 21, and finally the rectangular block 18 is separated from the insertion connection of the sliding block 20, so that the maintenance operation of the spring 16 can be completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a axiality detection device of radiator fan impeller, is including placing board (1), its characterized in that: the novel pulley block is characterized in that a connecting plate (2) is fixedly connected to the bottom end of the placing plate (1), two groups of pulley blocks (3) are fixedly connected to the side wall of the placing plate (1) above the connecting plate (2), a connecting block (7) is fixedly connected to the top of the side wall of the placing plate (1) through bolts, a first connecting rod (6) is fixedly connected to the middle position of the connecting block (7), a first auxiliary shell (8) is fixedly connected to the bottom end of the first connecting rod (6), a pull rod (5) is arranged on one side of the first auxiliary shell (8), and a second auxiliary shell (10) is fixedly connected to the middle position of one side of the placing plate (1);

the inside of first auxiliary housing (8) is provided with spring (16), spring (16) top and pull rod (5) bottom fixed connection, the bottom of first auxiliary housing (8) is run through there is second connecting rod (9), spring (16) top and the inside wall looks joint of first auxiliary housing (8), the top fixed connection of bottom and second connecting rod (9) of spring (16), the top fixedly connected with rectangle piece (18) of spring (16), rectangular channel (17) have been seted up to the inside that the top of spring (16) is located first auxiliary housing (8).

2. The coaxiality detection device of a cooling fan impeller according to claim 1, wherein: the second connecting rod (9) is fixedly connected with the movable pulley (4) through the inside of the second auxiliary shell (10), the bottom joint of the second connecting rod (9) inside the second auxiliary shell (10) is provided with the fixed rod (11), and the bottom of the fixed rod (11) is located inside the second auxiliary shell (10) and is provided with the first chute (12).

3. The coaxiality detection device of a cooling fan impeller according to claim 2, wherein: the first sliding groove (12) is internally connected with a ball body (13) in a sliding manner, and the top end of the ball body (13) is fixedly connected with the bottom end of the fixed rod (11).

4. A coaxiality detection device of a radiator fan impeller according to claim 3, wherein: the top fixedly connected with lug (15) of dead lever (11), recess (14) have been seted up to the inside that the top of dead lever (11) is located second connecting rod (9), the inboard of recess (14) and the outside looks joint of lug (15).

5. The coaxiality detection device of a cooling fan impeller according to claim 4, wherein: the inner side of the rectangular groove (17) is clamped with the outer side of the rectangular block (18).

6. The coaxiality detection device of a cooling fan impeller according to claim 5, wherein: the left side of the rectangular groove (17) is positioned in the first auxiliary shell (8) and is provided with a second chute (19), the second chute (19) is internally and slidably connected with a sliding block (20), and the inner side of the rectangular block (18) is provided with a groove body which is used for being inserted into the second chute (19).

7. The coaxiality detection device of a cooling fan impeller according to claim 6, wherein: the right side of the rectangular block (18) is located on the side wall of the first auxiliary shell (8) and is fixedly connected with a limiting block (21) through a bolt, the inner shape of the limiting block (21) corresponds to the outer shape of the end part of the second sliding groove (19), and the inner side of the limiting block (21) is clamped with the outer side of the second sliding groove (19).