CN212311851U

CN212311851U - Clamp for mounting impeller shaft and bushing

Info

Publication number: CN212311851U
Application number: CN201922118456.9U
Authority: CN
Inventors: 黄世衍; 黄种圆; 廖锋; 彭俊
Original assignee: CHENGDU SANYU INSTRUMENT TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: CHENGDU SANYU INSTRUMENT TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2021-01-08
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a clamp for installing an impeller shaft and a bush, which comprises a bottom plate, a chute plate, a frame body part, an inclined top part and a guide pillar, wherein the top of the frame body part is provided with a positioning hole for inserting the impeller shaft; the inclined ejecting part comprises a sliding block which can slide along the sliding groove and is provided with an inclined surface at the top, an inclined ejecting sliding block which can slide along the inclined surface of the sliding block, a centering bolt which is in threaded connection with the frame body part, and an adjusting bolt pair which is horizontally abutted against the two sides of the sliding block and is used for fixing the sliding block, the inclined ejecting sliding block is provided with an inclined surface which is completely attached to the inclined surface of the sliding block, the bottom end of the guide pillar is fixed with the inclined ejecting sliding block, the top end of the guide pillar is vertically inserted into the top of the frame body part, the impeller shaft penetrates through the positioning hole to be in contact with the top end of the guide pillar, the guide pillar slides along the inclined surface of the sliding block through the inclined ejecting sliding. The utility model discloses enable the regulation convenient and fast of anchor clamps, can improve production efficiency.

Description

Clamp for mounting impeller shaft and bushing

Technical Field

The utility model relates to a frock clamp technical field particularly, relates to an anchor clamps for installing impeller shaft and bush.

Background

The impeller assembly of the water meter is a key component of the whole water meter movement, senses water flow impact, rotates under the water flow impact, and drives the movement counter gear to rotate, so as to drive the pointer and the character wheel to rotate, and the pointer and the character wheel indicate the water quantity flowing through the water meter. The impeller assembly includes an impeller, an impeller shaft, and a bushing. One end of the impeller shaft is inserted in the corresponding shaft hole of the impeller, and the other end of the impeller shaft is exposed out of the impeller. The bushing is inserted and mounted in a bushing hole of the impeller. The impeller shaft is matched with a bearing of a machine core counter, and the bush is matched with the tip of a machine core impeller box. The exposed length of the impeller shaft is the critical dimension H for assembling the impeller assembly, and the critical dimension determines whether the impeller assembly can normally operate or not, and is related to the metering performance of the whole water meter.

Aiming at the assembly of the impeller shaft, the impeller and the bush, in order to install the impeller shaft and the bush on the impeller at one time and improve the production efficiency, a workshop currently adopts a simple clamp to complete the assembly of the impeller assembly. The tool is composed of a bottom plate, a screw hole column and an adjusting screw. The screw hole column is embedded in the bottom plate, an impeller shaft positioning hole is formed in the top of the screw hole column, a section of screw hole is formed in the screw hole, and the adjusting screw is screwed in the screw hole column. When the adjusting screw is used, the adjusting screw is firstly screwed, and the distance from the top of the adjusting screw to the top of the screw hole column is adjusted to the required size. And then the clamp is arranged on the machine table, and the clamp bottom plate is fixed with the machine table. And inserting one end of an impeller assembly with a shaft, which is preassembled with the bushing and the impeller shaft, into the screw hole column positioning hole, pressing down the platform handle, and installing the impeller bushing and the impeller shaft on the impeller.

The size of critical dimension H is determined by adjusting the distance H1 from the top of the screw to the top of the screw hole column in the existing clamp, and the size of critical dimension H needs to be adjusted when impeller assemblies of different specifications are assembled. However, the existing mounting fixture has to detach the bottom plate from the machine table, turn over the whole mounting fixture to rotate the adjusting bolt, so that the purpose of adjusting the key size H is achieved, and the mounting fixture is fixed on the machine table again after being adjusted, so that the mounting fixture is complex in operation, inconvenient to adjust and low in production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a anchor clamps for installing impeller shaft and bush, its regulation convenient and fast that enables anchor clamps can improve production efficiency.

The embodiment of the utility model discloses a realize through following technical scheme:

a clamp for mounting an impeller shaft and a bush comprises a bottom plate, a chute plate, a frame body part, an inclined top part and a guide post, wherein the chute plate is fixed with the bottom plate and provided with a chute;

the inclined ejecting part comprises a sliding block which can slide along the sliding groove and is provided with an inclined surface at the top, an inclined ejecting sliding block which can slide along the inclined surface of the sliding block, a centering bolt which is in threaded connection with the frame body part, and an adjusting bolt pair which is horizontally abutted against the two sides of the sliding block and is used for fixing the sliding block, the inclined ejecting sliding block is provided with an inclined surface which is completely attached to the inclined surface of the sliding block, the bottom end of the guide pillar is fixed with the inclined ejecting sliding block, the top end of the guide pillar is vertically inserted into the top of the frame body part, the impeller shaft penetrates through the positioning hole to be in contact with the top end of the guide pillar, the guide pillar slides along the inclined surface of the.

In one embodiment, the sliding block comprises an upper part connected with the inclined top sliding block and a lower part clamped in the sliding groove and sliding along the sliding groove, the upper part of the sliding block is in a right-angle trapezoid shape, and the inclined surface of the sliding block is arranged at the top;

the oblique top sliding block is in a right trapezoid shape and comprises a left end face and a right end face which are vertical planes, the length of the right end face is larger than that of the left end face, and the right end face is abutted to the right end face through the righting bolt.

In one embodiment, the adjusting bolt pair comprises an adjusting bolt I and an adjusting bolt II which are horizontally butted against two sides of the sliding block and are in threaded connection with the frame body part.

In one embodiment, the chute plate is provided with a strip-shaped hole for adjusting the position of the chute plate along the X-axis direction.

In one embodiment, the frame body component comprises a horizontal top plate, a left support plate and a right support plate which are fixed below the top plate respectively, the left support plate and the right support plate are located at two ends of the top plate respectively, an adjusting bolt I horizontally penetrates through the left support plate and is in threaded connection with the left support plate, a centering bolt and an adjusting bolt II both horizontally penetrate through the right support plate and are in threaded connection with the right support plate, and the positioning hole is formed in the horizontal top plate.

In one embodiment, the horizontal top plate is provided with a flange linear bearing, the guide pillar of which can be vertically inserted, and the flange linear bearing is communicated with the positioning hole and is coaxially arranged.

In one embodiment, the left support plate and the right support plate are fixedly connected with the chute plate.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the embodiment of the utility model provides an adopt oblique top mechanism that slider and oblique top slider become, compared with the prior art, when assembling the impeller subassembly of different specifications, can need not dismantle anchor clamps, but directly revolve wrong adjusting bolt on the backup pad of controlling, promote slider horizontal motion in the oblique top part, slider turns into the removal of oblique top slider on the inclined plane at the removal of horizontal direction in the oblique top part, and then realize the removal of guide pillar in vertical direction, the problem of turning over the anchor clamps and just can rotate the regulation after having avoided detaching anchor clamps from the board, make the regulation convenient and fast of the H2 size of decision key size H in the anchor clamps, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 provides a schematic diagram of a prior art structure for an embodiment of the present invention;

fig. 2 is a schematic structural view of the impeller, the impeller shaft and the bush after being assembled according to the embodiment of the present invention;

fig. 3 is an external view of an embodiment of the present invention;

fig. 4 is a top view of an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

fig. 7 is a schematic structural view of the lifter slider in the embodiment of the present invention.

Icon:

1-bottom plate, 21-chute plate, 22-adjusting bolt I, 23-adjusting bolt II, 24-centralizing bolt, 25-slide block, 26-inclined top slide block, 261-left end surface, 262-right end surface, 27-guide column, 3-frame part, 31-horizontal top plate, 32-positioning hole, 33-left support plate, 34-right support plate and 35-flange linear bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 to 7, a fixture for mounting an impeller shaft and a bushing includes a base plate 1, a chute plate 21 fixed to the base plate 1 and having a chute, a frame member 3 fixed to the chute plate 21 and having a gantry shape, an inclined top member connected to the chute plate 21 and located below the frame member 3, and a guide post 27, wherein a positioning hole 32 for inserting the impeller shaft is formed at the top of the frame member 3;

the pitched roof part comprises a sliding block 25 which can slide along a sliding groove and is provided with an inclined plane at the top, a pitched roof sliding block 26 which can slide along the inclined plane of the sliding block 25, a righting bolt 24 which is in threaded connection with the frame body part 3, and an adjusting bolt pair which is horizontally butted against two sides of the sliding block 25 and is used for fixing the sliding block 25, wherein the pitched roof sliding block 26 is provided with an inclined plane which is completely jointed with the inclined plane of the sliding block 25, the bottom end of the guide post 27 is fixed with the pitched roof sliding block 26, the top end of the guide post 27 is vertically inserted into the top of the frame body part 3, an impeller shaft passes through the positioning hole 32 and is contacted with the top end of the guide post 27, the guide post 27 moves up and down through the pitched roof sliding block 26 sliding along.

In the process of installing an impeller shaft and a bush on an impeller, in order to ensure that the clamp is convenient and quick to adjust and improve the production efficiency, the technical scheme is provided with a clamp comprising a bottom plate 1, a chute plate 21, an inclined top part, a frame part 3 and a guide post 27, wherein the bottom plate 1 is fixed on a manual press, the chute plate 21 is fixed on the bottom plate 1, the chute plate 21 is provided with a section of horizontal chute, the frame part 3 is in a portal frame shape, the frame part 3 is fixed with the chute plate 21, the inclined top part comprises a slide block 25, an inclined top slide block 26, a centering bolt 24 and an adjusting bolt pair, the lower half part of the slide block 25 is clamped in the chute of the chute plate 21 and can slide along the chute, the top of the upper half part of the slide block 25 is provided with an inclined plane which can be completely jointed with the inclined plane of the slide block 25, namely the inclined top slide block 26 is positioned above the slide block 25, the inclined plane of the inclined top slide, and the slanted ejecting slider 26 is slidable along the slanted surface of the slider 25. The frame body component 3 comprises a horizontal top plate 31, a left support plate 33 and a right support plate 34 which are respectively fixed below the top plate 31, a positioning hole 32 for vertically inserting an impeller shaft and a guide post hole for inserting the guide post 27 are sequentially arranged in the horizontal top plate 31 from top to bottom, the positioning hole 32 and the guide post hole are communicated and coaxially arranged, a pressure head which is right opposite to the positioning hole 32 is arranged on a manual press, the bottom end of the guide post 27 is vertically fixed with an inclined top sliding block 26, the top end of the guide post 27 is vertically inserted into the guide post hole, when the sliding block 25 slides along a sliding groove in the sliding groove plate 21, the inclined top sliding block 26 moves up and down along an inclined plane of the sliding block 25, so that the guide post 27 moves up and down in the guide post hole, and the distance H2 between the upper surface of the.

When slider 25's position is confirmed after the adjustment, for fixed slider 25, this technical scheme sets up the adjusting bolt pair of level opposite vertex in slider 25's both sides, and adjusting bolt is right including adjusting bolt I22 and adjusting bolt II 23, and adjusting bolt I22 and adjusting bolt II 23 are equal level and along the spout direction, and adjusting bolt I22 all with 3 threaded connection of support body part with adjusting bolt II 23 moreover.

When the position of the pitched roof sliding block 26 is determined after adjustment, in order to fix the pitched roof sliding block 26, in the technical scheme, the centering bolt 24 is arranged on one side of the pitched roof sliding block 26, the centering bolt 24 is in threaded connection with the frame body part 3, and the screw rod of the centering bolt 24 horizontally abuts against the side surface of the pitched roof sliding block 26, because the inclined surface of the centering bolt 24 can slide along the inclined surface of the sliding block 25, the centering bolt 24 applies a horizontal pressure to the pitched roof sliding block 26, the horizontal pressure faces the inclined surface of the sliding block 25, namely the pitched roof sliding block 26 is pressed on the inclined surface of the sliding block 25, according to the calculation method of the friction force, the pressure of the pitched roof sliding block 26 and the sliding block 25 is increased compared with the free sliding of the pitched roof sliding block 26, the friction force between the pitched roof sliding block 26 and the sliding block 25 is increased, the horizontal component force of the friction force is utilized to balance the horizontal pressure, thereby achieving the purpose of fixing the pitched roof slide block 26 on the slide block 25. If the centralizing bolt 24 is not fixed, when the hydraulic press is used, the pressure applied to the impeller and the bush by the manual press is transmitted to the inclined top sliding block 26 through the impeller shaft, and the inclined top sliding block 26 does not have limitation in the circumferential direction, so that the inclined top sliding block 26 can rotate in the circumferential direction, the guide pillar 27 is further caused to move in the vertical direction, and the precision of the impeller installed on the impeller shaft cannot be guaranteed.

When the clamp of the embodiment is used for the first time, the adjusting bolt I22, the adjusting bolt II 23 and the righting bolt 24 are loosened, the slide block 25 is slid according to the design value of the critical dimension H to adjust the height of the inclined top slide block 26, and then the distance H2 from the top end of the guide pillar 27 to the upper surface of the horizontal top plate 31 is adjusted. After the position of the slide block 25 is adjusted, the adjusting bolt I22 and the adjusting bolt II 23 are screwed, the adjusting bolt I22 and the adjusting bolt II 23 which are horizontally butted apply thrust to the slide block 25 from two horizontally opposite directions, the slide block 25 is further fixed, the righting bolt 24 is screwed to fix the inclined jacking slide block 26 on the inclined plane of the slide block 25, and the adjusted distance H2 is the key size H in the assembly process, so that the assembly operation can be started, namely, an impeller shaft and a bush are respectively preassembled at two ends of the impeller, the free end of the impeller shaft is vertically inserted into the positioning hole 32 until the bottom end of the impeller shaft is abutted against the top end of the guide pillar 27, the impeller is horizontally placed at the moment, the bush is positioned at the upper end face of the impeller, the impeller shaft is positioned at the lower end face of the impeller, an operator lightly holds the impeller by one hand, manually operates the manual press, presses the bush by using a pressure head of the, The bushing is pressed and pressed on the impeller shaft vertically and downwards along the impeller shaft until the lower end surface of the impeller is tightly attached to the upper surface of the horizontal top plate 31. Compared with the prior art, the movement of the sliding block 25 in the horizontal direction in the pitched roof part is converted into the movement of the pitched roof sliding block 26 on the inclined plane, so that the movement of the guide pillar 27 in the vertical direction is realized, the problem that the clamp can be adjusted only by rotating after being turned off is avoided, the adjustment of the distance H2 between the upper surface of the horizontal top plate 31 in the frame body part 3 of the critical dimension H in the clamp and the upper end surface of the guide pillar 27 is convenient and quick, and the production efficiency is improved.

In one embodiment, the sliding block 25 comprises an upper part connected with the inclined top sliding block 26 and a lower part clamped in the sliding groove and sliding along the sliding groove, the upper part of the sliding block 25 is in a right-angle trapezoid shape, and the inclined surface of the sliding block 25 is arranged at the top;

the inclined top sliding block 26 is in a right trapezoid shape, the inclined top sliding block 26 comprises a left end face 261 and a right end face 262 which are vertical planes, the length of the right end face 262 is larger than that of the left end face 261, and the righting bolt 24 is abutted to the right end face 262.

In one embodiment, the adjusting bolt pair comprises an adjusting bolt I22 and an adjusting bolt II 23 which are horizontally butted against two sides of the slide block 25 and are in threaded connection with the frame body part 3.

In one embodiment, the chute plate 21 is provided with a strip-shaped hole for adjusting the position of the chute plate 21 in the X-axis direction.

The X-axis direction in the present embodiment refers to the left-right direction when the operator faces the jig. Because the bottom plate 1 is the clamp which is positioned and fixed on the manual press by the positioning pin and fixed by the positioning pin when the clamp is used for the first time, the Y direction is coincident with the Y axis of the indenter, but the X direction is not necessarily coincident with the X axis of the indenter completely and has deviation, there may be a small deviation of the locating hole 32 in the jig frame member 3 from the ram of the manual press, the locating hole 32 not being aligned with the ram, the frame body part 3 and the inclined top part are both fixed on the chute plate 21, and the chute plate 21 needs to be moved when the position of the positioning hole 32 is adjusted, therefore, in order to enable the chute plate 21 to move in the X-axis direction to adjust the deviation between the positioning hole 32 and the pressing head, the present technical solution provides a strip-shaped hole with a length along the X-axis direction on the chute plate 21, installs a bolt in the strip-shaped hole, and fixes the chute plate 21 on the bottom plate 1 through the bolt. When the chute plate 21 needs to be moved to adjust the position of the positioning hole 32, the bolt in the strip-shaped hole is loosened, and the chute plate 21 is moved along the X-axis direction.

In one embodiment, the frame member 3 includes a horizontal top plate 31, a left support plate 33 and a right support plate 34 fixed below the top plate 31, the left support plate 33 and the right support plate 34 are respectively located at two ends of the top plate, an adjusting bolt i 22 horizontally penetrates through the left support plate 33 and is in threaded connection with the left support plate 33, a centering bolt 24 and an adjusting bolt ii 23 both horizontally penetrate through the right support plate 34 and are in threaded connection with the right support plate 34, and the positioning hole 32 is formed in the horizontal top plate 31.

In order to realize the clamping limit of the impeller shaft and facilitate the pressing head of manual pressure to press the impeller and the bush on the impeller shaft, the technical scheme is provided with a frame body part 3 comprising a horizontal top plate 31, a left support plate 33 and a right support plate 34, the horizontal top plate 31, the left support plate 33 and the right support plate 34 form a portal frame structure, a positioning hole 32 is vertically formed in the horizontal top plate 31, a guide pillar hole is coaxially arranged below the positioning hole 32, the positioning hole 32 is communicated with the guide pillar hole, and the positioning hole 32 and the guide pillar hole form a channel penetrating through the horizontal top plate 31. In addition, because adjusting bolt I22 and adjusting bolt II 23 need exert the thrust of level to the top to slider 25, right bolt 24 also needs to exert horizontal pressure to oblique top slider 26, in order to install adjusting bolt I22 and adjusting bolt II 23 on the anchor clamps, this technical scheme is with adjusting bolt I22 level run through left back plate 33 and with left back plate 33 threaded connection, right back plate 34 and right back plate 34 threaded connection are run through to right back plate 34 and are all levelly to right back plate 24 and adjusting bolt II 23.

In addition, the frame body part 3 may be an integrally formed gantry structure.

In one embodiment, the horizontal top plate 31 is provided with a flange linear bearing 35 into which the guide post 27 can be vertically inserted, and the flange linear bearing 35 is communicated with the positioning hole 32 and is coaxially arranged.

In order to ensure that the top end surface of the guide post 27 is horizontal, i.e. the column body of the guide post 27 is not inclined, and to avoid an error in the distance h2 between the upper surface of the horizontal top plate 31 and the upper end surface of the guide post 27, the flange linear bearing 35 is arranged on the horizontal top plate 31, and the flange linear bearing 35 is communicated with and coaxially arranged with the positioning hole 32. When in use, the guide post 27 is inserted into the flange bearing 35, and the guide post 27 is limited by the flange bearing 35 to only move in the vertical direction, so that the guide post 27 is ensured to be vertical, that is, the top end face of the guide post 27 is ensured to be horizontal, the error of the distance h2 between the upper surface of the horizontal top plate 31 and the upper end face of the guide post 27 is avoided, and the assembling precision of the clamp is ensured. If the top end face of the guide post 27 is high on one side and low on the other side, i.e. the column of the guide post 27 is inclined, the position where the different impeller shafts abut on the top end face of the guide post 27 may be higher or lower, resulting in the actual value of H2 being smaller than the set value or larger than the theoretical value of the critical dimension H.

In one embodiment, the left support plate 33 and the right support plate 34 are fixedly connected to the chute plate 21.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamp for mounting an impeller shaft and a bushing, comprising a base plate (1), characterized in that: the device also comprises a chute plate (21) which is fixed with the bottom plate (1) and is provided with a chute, a frame body part (3) which is fixed with the chute plate (21) and is in a portal frame shape, an inclined top part and a guide post (27) which are connected with the chute plate (21) and are positioned below the frame body part (3), and the top of the frame body part (3) is provided with a positioning hole (32) for inserting an impeller shaft;

the pitched roof component comprises a sliding block (25) which can slide along the sliding groove and is provided with an inclined plane at the top, a pitched roof sliding block (26) which can slide along the inclined plane of the sliding block (25), a righting bolt (24) which is in threaded connection with the frame body component (3), and an adjusting bolt pair which is horizontally butted against the two sides of the sliding block (25) and is used for fixing the sliding block (25), the inclined top sliding block (26) is provided with an inclined surface which is completely attached to the inclined surface of the sliding block (25), the bottom end of the guide post (27) is fixed with the inclined top sliding block (26), the top end of the guide post (27) is vertically inserted into the top of the frame body part (3), the impeller shaft passes through the positioning hole (32) to be contacted with the top end of the guide post (27), the guide post (27) slides along the inclined plane of the slide block (25) through the inclined top slide block (26) to move up and down, the centralizing bolt (24) applies horizontal pressure towards the inclined surface of the sliding block (25) to the inclined top sliding block (26).

2. A fixture for mounting an impeller shaft and a bushing, according to claim 1, wherein: the sliding block (25) comprises an upper part connected with the inclined top sliding block (26) and a lower part clamped in the sliding groove and sliding along the sliding groove, the upper part of the sliding block (25) is in a right-angle trapezoidal shape, and the inclined plane of the sliding block (25) is arranged at the top;

the oblique top sliding block (26) is in a right-angle trapezoidal shape, the oblique top sliding block (26) comprises a left end face (261) and a right end face (262) which are vertical planes, the length of the right end face (262) is larger than that of the left end face (261), and the right end face (262) is abutted to the righting bolt (24).

3. A fixture for mounting an impeller shaft and a bushing, according to claim 1, wherein: the adjusting bolt pair comprises an adjusting bolt I (22) and an adjusting bolt II (23) which are horizontally abutted against two sides of the sliding block (25) and are in threaded connection with the frame body component (3).

4. A fixture for mounting an impeller shaft and a bushing, according to claim 1, wherein: the chute board (21) is provided with a strip-shaped hole for adjusting the position of the chute board (21) along the X-axis direction.

5. A fixture for mounting an impeller shaft and a bushing, according to claim 1, wherein: support body part (3) include horizontal roof (31), fix left branch fagging (33) and right branch fagging (34) in roof (31) below respectively, and left branch fagging (33) and right branch fagging (34) are located the both ends of roof respectively, and adjusting bolt I (22) level runs through left branch fagging (33) and with left branch fagging (33) threaded connection, right branch fagging (34) and with right branch fagging (34) threaded connection are run through to right branch fagging (34) and to right branch fagging (23) equal level righting bolt (24) and adjusting bolt II (23), locating hole (32) are established on horizontal roof (31).

6. A fixture for mounting an impeller shaft and a bushing, according to claim 5, wherein: the horizontal top plate (31) is provided with a flange linear bearing (35) into which the guide post (27) can be vertically inserted, and the flange linear bearing (35) is communicated with the positioning hole (32) and is coaxially arranged.

7. A fixture for mounting an impeller shaft and a bushing, according to claim 5, wherein: the left support plate (33) and the right support plate (34) are fixedly connected with the chute plate (21).