CN210254947U - Auxiliary assembly mechanism of transmission shaft - Google Patents
Auxiliary assembly mechanism of transmission shaft Download PDFInfo
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- CN210254947U CN210254947U CN201920332035.3U CN201920332035U CN210254947U CN 210254947 U CN210254947 U CN 210254947U CN 201920332035 U CN201920332035 U CN 201920332035U CN 210254947 U CN210254947 U CN 210254947U
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Abstract
The utility model discloses an auxiliary assembly mechanism of a transmission shaft, which comprises a bracket, a pressing mechanism, a control mechanism, a pressing shaft inner ring tool and a pressing shaft outer ring tool; the pressing mechanism is in sliding fit with the bracket; the control mechanism is arranged on the bracket and used for controlling the motion stroke of the pressing mechanism and providing pressing force for the pressing mechanism; the shaft pressing inner ring tool is arranged to be positioned on the support to support the transmission bearing, and the shaft pressing inner ring tool is matched with the pressing mechanism to preassemble the transmission bearing onto the transmission shaft; the outer ring pressing tool is arranged on the support and used for transmitting pressing force on the pressing mechanism to the transmission bearing so as to fix the transmission bearing to the pump shell. The utility model discloses a it is fixed in order to realize the installation of transmission shaft that control mechanism control hold-down mechanism produces the packing force to the transmission shaft, and its simple structure controls the convenience, and installation technology retrencies, thereby controls the motion stroke that control hold-down mechanism that the mechanism can be accurate and has improved the precision of assembly.
Description
Technical Field
The utility model relates to an rigging equipment technical field especially relates to an auxiliary assembly mechanism of transmission shaft.
Background
The plunger pump is one of the most complex elements in the hydraulic field and has higher requirements on processing precision and installation precision. In order to further improve the product quality of the plunger pump and effectively ensure the normal operation of the plunger pump, the precision of the installation process of the plunger pump needs to be improved, and meanwhile, in order to save manpower and material resources, the installation process and the installation device structure of the plunger pump are simplified as much as possible.
In the assembly process of the existing plunger pump, the mounting process level of the transmission shaft is low, the mounting process is not only complex, but also the mounting precision can not meet the requirement, so that the transmission shaft is unsmooth in operation, even abraded and burnt when the plunger pump works, the stress of the transmission shaft is uneven when the transmission shaft rotates, and the service life is also greatly reduced.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: the auxiliary assembling mechanism of the transmission shaft is simple in structure, convenient to operate and control, simple in installation process and capable of accurately controlling the movement stroke of the pressing mechanism, and the operation mechanism controls the pressing mechanism to generate pressing force on the transmission shaft so as to achieve installation and fixation of the transmission shaft.
The purpose of the utility model is realized through the following technical scheme: the device comprises a support, a pressing mechanism, an operation mechanism, a pressing shaft inner ring tool and a pressing shaft outer ring tool;
the pressing mechanism is in sliding fit with the bracket;
the control mechanism is arranged on the bracket and used for controlling the movement stroke of the pressing mechanism and providing pressing force for the pressing mechanism;
the shaft pressing inner ring tool is arranged to be positioned on the support to support the transmission bearing, and the shaft pressing inner ring tool is matched with the pressing mechanism to pre-install the transmission bearing on the transmission shaft;
the outer ring pressing tool is arranged on the support and used for transmitting pressing force of the pressing mechanism to the transmission bearing so as to fix the transmission bearing to the pump shell.
The auxiliary assembly mechanism of the transmission shaft comprises an operation handle, a screw rod, a screw nut and a bearing; the control handle is fixedly connected with the screw rod, two ends of the screw rod are respectively fixed on the support through the corresponding bearings, the screw rod is matched with the screw rod nut, and the screw rod nut is fixedly connected with the pressing mechanism.
The auxiliary assembly mechanism of the transmission shaft is characterized in that the control mechanism further comprises a retainer ring for limiting the bearing to be moved.
The auxiliary assembly mechanism of the transmission shaft comprises a bracket, a guide rail and a top plate; the first end of the guide rail is fixed on the base, and the second end of the guide rail is fixed on the top plate;
the pressing mechanism is in sliding fit with the guide rail;
two ends of the control mechanism are respectively arranged on the base and the top plate;
a top plate through hole for the transmission bearing to penetrate through is formed in the top plate;
the base is provided with a base through hole for the transmission bearing to penetrate through, and the outer ring pressing tool is positioned in the base through hole and slides along the base through hole under the action of the pressing force of the pressing mechanism;
the base is also provided with a first positioning hole and a second positioning hole; the first positioning hole is used for positioning the base on a pump shell, and the second positioning hole is used for positioning the pressing shaft inner ring tool.
In the auxiliary assembly mechanism of the transmission shaft, the pressing mechanism comprises a pressing plate and a pressing block, the pressing plate is fixedly connected with the control mechanism, and the pressing plate is in sliding fit with the bracket;
the pressing plate is provided with a pressing plate through hole, and the pressing block is detachably fixed on the pressing plate.
In the auxiliary assembly mechanism of the transmission shaft, the pressing block comprises an upper clamping plate, a lower clamping plate, a central column and a pressing boss, and the upper clamping plate and the lower clamping plate are fixedly connected through the central column; the pressing boss is arranged on the lower clamping plate; the upper clamping plate is provided with an upper clamping plate pin hole;
the pressing plate is also provided with a pressing plate pin hole matched with the upper clamping plate pin hole, and the pressing plate is clamped between the upper clamping plate and the lower clamping plate; the pressing plate is provided with a groove for the central column to penetrate through, and the groove is connected with the pressing plate through hole.
In the auxiliary assembly mechanism for the transmission shaft, the shaft pressing inner ring tool comprises an inner ring tool body, a bearing positioning groove, a first transmission shaft through hole and a check ring boss;
the inner ring tool body is positioned on the support, the first transmission shaft through hole penetrates through the inner ring tool body, the bearing positioning groove is formed in one end, close to the pressing mechanism, of the inner ring tool body, and the bearing positioning groove is used for placing a transmission bearing;
the retainer ring boss is arranged on the inner ring tool body.
In the auxiliary assembly mechanism of the transmission shaft, the outer ring pressing tool comprises an outer ring tool body, a pressing boss and a pressing force conduction piece;
the pressing boss is arranged at one end, close to the pressing mechanism, of the outer ring tool body, and the pressing force conduction piece is fixed at one end, close to the transmission bearing, of the outer ring tool body;
the pressing force of the pressing mechanism acts on the pressing boss to drive the pressing force conducting piece to move towards the direction close to the pump cavity;
the internal cavity of the pressing force conduction piece forms an avoidance groove for accommodating the transmission shaft.
According to the auxiliary assembly mechanism of the transmission shaft, the outer ring tool body is provided with the limiting table for limiting the moving stroke of the pressing force transmission piece.
The auxiliary assembly mechanism of the transmission shaft is characterized in that the support is provided with a hanging ring.
The utility model discloses for prior art have following advantage and effect:
1. the utility model discloses a it is fixed in order to realize the installation of transmission shaft that control mechanism control hold-down mechanism produces the packing force to the transmission shaft, and its simple structure controls the convenience, and installation technology retrencies, thereby controls the motion stroke that control hold-down mechanism that the mechanism can be accurate and has improved the precision of assembly.
2. The utility model discloses a control the motion stroke that the mechanism passes through manual ball screw control hold-down mechanism, make hold-down mechanism's stroke more accurate, and use laborsavingly, easily control can effectively improve installation accuracy and production efficiency.
Drawings
Fig. 1 is the utility model discloses the structural schematic diagram of last item inner circle frock work in the auxiliary assembly mechanism of transmission shaft.
Fig. 2 is the utility model discloses the structural schematic diagram of last item outer lane frock work in the auxiliary assembly mechanism of transmission shaft.
Fig. 3 is a partially enlarged view of the position I in fig. 2.
Fig. 4 is a schematic structural diagram of a pressing plate in the auxiliary assembly mechanism of the transmission shaft according to the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a pressing block in the auxiliary assembly mechanism of the transmission shaft according to the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a base in the auxiliary assembly mechanism of the transmission shaft according to the embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a pressing shaft inner ring tool in the auxiliary assembly mechanism of the transmission shaft according to the embodiment of the present invention.
Fig. 8 is a schematic structural view of an outer ring tooling of a pressing shaft in an auxiliary assembly mechanism of a transmission shaft according to an embodiment of the present invention.
Wherein, the embodiment of the utility model provides an in: 1. a support; 11. a base; 110. punching a base; 111. a first positioning hole; 112. a second positioning hole; 12. a guide rail; 13. a top plate; 130. Perforating the top plate; 14. a hoisting ring; 2. a hold-down mechanism; 21. pressing a plate; 210. punching a pressing plate; 22. briquetting; 221. an upper splint; 2210. an upper clamp plate pin hole; 222. a lower splint; 223. A central column; 224. compressing the boss; 3. an operating mechanism; 31. a control handle; 32. a screw rod; 33. a feed screw nut; 34. a bearing; 35. a retainer ring; 36. a fixed key; 4. pressing a shaft inner ring tool; 41. an inner ring tool body; 42. bearing positioning holes; 43. the first transmission shaft is perforated; 44. a retainer ring boss; 5. pressing a shaft outer ring tool; 51. an outer ring tool body; 52. compressing the boss; 53. a pressing force transmitter; 54. an avoidance groove; 511. a limiting table;
100. a drive shaft; 200. a drive bearing; 300. a pump housing; 400. a retainer ring for a shaft.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
As shown in fig. 1-2, the utility model discloses a supplementary assembly devices of transmission shaft of preferred embodiment, including support 1, hold-down mechanism 2, control mechanism 3, last axle inner circle frock 4 and last axle outer lane frock 5. Support 1 is used for supporting whole transmission shaft auxiliary assembly device, and support 1 is placed on pump housing 300, be provided with on support 1 with the constant head tank of the upper end looks adaptation of pump housing 300, has realized the installation location of support 1 on pump housing 300 through the cooperation of pump housing 300 with the constant head tank. The pressing mechanism 2 is in sliding fit with the bracket 1. The pressing mechanism 2 slides along the bracket 1 under the action of the control mechanism 3, and the pressing mechanism 2 applies pressing force to the transmission shaft 100 during the movement process so as to complete the installation of the transmission shaft 100. The control mechanism 3 is installed on the bracket 1, and the control mechanism 3 is used for controlling the movement stroke of the pressing mechanism 2 and providing pressing force for the pressing mechanism 2. The up-and-down movement of the pressing mechanism 2 can be controlled by the manipulation mechanism 3. A inner race presser tool 4 is provided to be positioned on the carrier 1 to support the drive bearing 200, the inner race presser tool 4 cooperating with the pressing mechanism 2 to preload the drive bearing 200 onto the drive shaft 100. The pressing shaft inner ring tool 4 is positioned on the support 1 in advance, the pressing shaft inner ring tool 4 is used for positioning and supporting the transmission bearing 200, the pressing mechanism 2 moves towards the direction close to the transmission bearing 200, and the pressing force on the pressing mechanism 2 acts on the transmission shaft 100 to drive the transmission shaft 100 to be matched with the transmission bearing 200. Due to the supporting effect of the shaft pressing inner ring tool 4, the transmission bearing 200 does not move after being pressed by pressing force, so that the transmission shaft 100 and the transmission bearing 200 move relatively, and the transmission bearing 200 is installed and positioned at the bearing installation position of the transmission shaft 100. The assembly of the transmission shaft 100 and the transmission bearing 200 is completed by pressing the shaft inner ring tool 4, so that the transmission shaft 100 is fixed on the transmission bearing 200. After the assembly of the transmission shaft 100 and the transmission bearing 200 is completed, the inner pressing ring tool 4 is detached, and then the outer pressing ring tool 5 is mounted on the bracket 1 to mount the transmission bearing 200 on the pump housing 300.
A pressing shaft outer ring tool 5 is provided on the bracket 1, and the pressing shaft outer ring tool 5 is used for transmitting pressing force on the pressing mechanism 2 to the driving bearing 200 to fix the driving bearing 200 to the pump housing 300. One end of the outer ring pressing tool 5 abuts against the transmission bearing 200, the other end of the outer ring pressing tool 5 is opposite to the pressing mechanism 2, pressing force of the pressing mechanism 2 acts on the outer ring pressing tool 5, then the pressing force is transmitted to the transmission bearing 200 through the outer ring pressing tool 5, and therefore the transmission bearing 200 is fixed to the pump housing 300.
In the using process, the pressing shaft inner ring tool 4 is firstly positioned on the support 1, then the transmission bearing 200 is positioned on the pressing shaft inner ring tool 4, and the transmission shaft 100 is preliminarily positioned on the pressing shaft inner ring tool 4. The pressing mechanism 2 is controlled by the control mechanism 3 to press the transmission shaft 100, so that the transmission bearing 200 is mounted on a specific mounting position of the transmission shaft 100, and the assembly of the transmission bearing 200 and the transmission shaft 100 is realized. After the assembly is completed, the inner ring pressing tool 4 is detached, the outer ring pressing tool 5 is installed on the support 1, the pressing force of the pressing mechanism 2 acts on the outer ring pressing tool 5 through the control mechanism 3, and the outer ring pressing tool 5 transmits the pressing force to the transmission bearing 200 to drive the transmission bearing 200 to be fixed on the pump housing 300. Above-mentioned scheme simple structure, easily operation, through controlling mechanism 3 control hold-down mechanism 2 and produce the packing force in order to act on the transmission shaft, conveniently control, more laborsaving of use.
Specifically, as shown in fig. 2 and 3, the bracket 1 includes a base 11, a guide rail 12, and a top plate 13; a first end of the guide rail 12 is fixed on the base 11, and a second end of the guide rail 12 is fixed on the top plate 13; the hold-down mechanism 2 is in sliding engagement with the guide rail 12. Wherein the guide rails 12 are at least two, the two guide rails 12 are respectively connected with two ends of the pressing mechanism 2 in a sliding manner, and the two guide rails 12 are arranged to enable the pressing mechanism 2 to stably slide. The pressing mechanism 2 is provided with a guide and slide hole matched with the guide rail 12, the guide rail 12 passes through the corresponding guide and slide hole, and the pressing mechanism 2 slides along the guide rail 12 under the action of the control mechanism 3. In the present embodiment, three guide rails 12 are provided.
The top plate 13 is provided with a top plate perforation 130 through which the driving bearing 200 is inserted, and the diameter of the top plate perforation 130 is set to be larger than the outer diameter of the driving bearing 200. The base 11 is provided with a base perforation 110 for the transmission bearing 200 to penetrate through, and the aperture of the base perforation 110 is larger than the outer diameter of the transmission bearing 200. When the transmission shaft 100 and the transmission bearing 200 are fixedly installed, the transmission bearing is firstly positioned on the pressing inner ring tool 4 through the top plate through hole 130. When the transmission bearing 200 is mounted and fixed on the pump housing 300, the transmission base through hole 110 of the transmission bearing 200 is pre-installed in the bearing mounting hole of the pump housing 300, and then the pressing force is applied to the transmission bearing 200 through the outer ring pressing tool 5.
The outer ring pressing tool 5 is positioned in the base through hole 110. The first end of the outer ring pressing tool 5 abuts against the pressing mechanism 2, the second end of the outer ring pressing tool 5 penetrates through the base perforation 110 to abut against the transmission bearing 200, the outer ring pressing tool 5 is in clearance fit with the base perforation 110, and the outer ring pressing tool 5 can slide along the base perforation 110. The outer ring pressing tool 5 slides along the base through hole 110 under the pressing force of the pressing mechanism 2, and pushes the driving bearing 200 to be positioned in the bearing mounting hole on the pump housing 300, so that the driving bearing 200 is fixed.
Specifically, as shown in fig. 6, the base 11 is further provided with a first positioning hole 111 and a second positioning hole 112; the first positioning hole 111 is used for positioning the base 11 on the pump housing 300, and the first positioning hole 111 is matched with a positioning boss on the pump housing 300. The second positioning hole 112 is used for positioning the inner ring tooling 4, and specifically, the second positioning hole 112 is in clearance fit with the inner ring tooling 4 so as to facilitate the inner ring tooling 4 to be detached from the base 11. When assembling the transmission shaft 100 and the transmission bearing 200, the shaft inner ring pressing tool 4 is first positioned on the first positioning hole 111. The aperture of the first positioning hole 111 is larger than that of the base through hole 110, so that the base 11 can support the shaft inner ring pressing tool 4.
Specifically, the pressing mechanism 2 comprises a pressing plate 21 and a pressing block 22, the pressing plate 21 is fixedly connected with the control mechanism 3, and the pressing plate 21 is in sliding fit with the support 1. The control mechanism 3 drives the pressing plate 21 to slide along the bracket 1. The guide and slide hole which is arranged on the pressing mechanism 2 and matched with the guide rail 12 is arranged on the pressing plate 21, and the pressing plate 21 is in sliding fit with the guide rail 12.
As shown in fig. 4, the pressing plate 21 is provided with a pressing plate through hole 210 for the transmission shaft 100 to penetrate through, the aperture of the pressing plate through hole 210 is larger than the outer diameter of the transmission shaft 100, and the pressing block 22 is detachably fixed on the pressing plate 21. The pressing piece 22 acts on the transmission shaft 100 to provide pressing force to the transmission shaft 100. When the transmission shaft 100 is fixed to the transmission bearing 200, the press block 22 needs to be detached first, the transmission shaft 100 penetrates through the press plate through hole 210, then the transmission shaft 100 is initially positioned on the transmission bearing 200, the press block 22 is fixed to the press plate 21 after the transmission shaft 100 is initially positioned, and then the press block 22 is driven to move by the operation and control mechanism 3 so as to generate pressing force on the transmission shaft 100, so that the transmission bearing 200 is assembled at the position of the bearing installation position on the transmission shaft 100.
Specifically, as shown in fig. 5, the pressing block 22 includes an upper clamping plate 221, a lower clamping plate 222, a central column 223 and a pressing boss 224, and the upper clamping plate 221 and the lower clamping plate 222 are fixedly connected through the central column 223. The pressing boss 224 is provided on the lower plate 222. The upper clamping plate 221 is provided with an upper clamping plate pin hole 2210; the pressure plate 21 is provided with pressure plate pin holes 212 fitted to the upper plate pin holes 2210, and positioning pins are inserted through the upper plate pin holes 2210 and the pressure plate pin holes 212 in order to fix the upper plate 221 to the pressure plate 21.
When the pressing plate 21 and the pressing block 22 are fixed, the pressing plate 21 is disposed to be clamped between the upper clamping plate 221 and the lower clamping plate 222, and the pressing block 22 blocks the pressing plate through hole 210. The pressing plate 21 is provided with a groove 211 for the central column 223 to pass through, and the groove 211 is connected with the pressing plate through hole 210. The provision of the groove 211 facilitates the removal of the press block 22. When the press block 22 is disassembled, the positioning pin is disassembled, and then the center column 223 slides out along the groove 211. When the press block 22 is installed, the central post 223 slides along the groove to the position of the press plate through hole 210, then the upper clamp pin hole 2210 and the press plate pin hole 212 are opposite, and the press block 22 is installed and fixed on the press plate 21 by sequentially penetrating the upper clamp pin hole 2210 and the press plate pin hole 212 through the positioning pins.
Specifically, the control mechanism 3 comprises a control handle 31, a screw rod 32, a screw rod nut 33 and a bearing 34; the control handle 31 is fixedly connected with the screw rod 32, two ends of the screw rod 32 are respectively fixed on the bracket 1 through respective corresponding bearings 34, specifically, two bearings 34 are provided, a first end of the screw rod 32 is installed on the top plate 13 through one bearing 34, and a second end of the screw rod 32 is installed on the base 11 through the other bearing 34. It will be appreciated that bearing mounting holes are provided in the top plate 13 and the base 11. The screw 32 is matched with a screw nut 33, and the screw nut 33 is fixedly connected with the pressing mechanism 2.
The control handle 31 is a hand wheel, the control handle 31 and the screw rod 32 are fixed through a fixing key 36, it can be understood that a first groove matched with the fixing piece 36 is formed in the screw rod 32, a second groove matched with the fixing piece 36 is formed in the control handle 31, and the fixing piece 36 is respectively positioned in the first groove and the second groove to fix the control handle 31 and the screw rod 32.
The control handle 31 drives the screw rod 32 to rotate, and when the screw rod 32 rotates, the screw rod nut 33 moves axially along the screw rod 32, so that the screw rod nut 33 drives the pressing mechanism 2 to move axially along the screw rod 32.
Further, the operating mechanism 3 further includes a retainer ring 35 for limiting the movement of the bearing 34, and the retainer ring 35 is fixed at the position of the opening of the bearing mounting hole of the top plate 13, or the retainer ring 35 is fixed at the position of the opening of the bearing mounting hole of the base 11. The retainer ring 35 serves to prevent the bearing 34 from scraping in the axial direction of the screw 32.
Specifically, as shown in fig. 7, the shaft-pressing inner ring fixture 4 includes an inner ring fixture body 41, a bearing positioning hole 42, a first transmission shaft through hole 43, and a retainer boss 44. The inner ring tool body 41 is positioned on the support 1, the base 11 is provided with a first positioning hole 111, and the inner ring tool body 41 is positioned in the first positioning hole 111. The inner ring tool body 41 is in clearance fit with the first positioning hole 111 to facilitate the disassembly of the inner ring tool body 41. The first transmission shaft through hole 43 penetrates through the inner ring tool body 41, the bearing positioning hole 42 is formed in one end, close to the pressing mechanism 2, of the inner ring tool body 41, the bearing positioning hole 42 is used for placing the transmission bearing 200, and the transmission bearing 200 and the bearing positioning hole 42 can be in clearance fit. The inner ring tool body 41 is first positioned on the base 110, and then the drive bearing 200 is placed on the bearing positioning hole 42. The driving shaft 100 passes through the through hole of the driving bearing 200 and the first driving shaft through hole 43 in order to be positioned on the driving bearing 200, and then the pressing force of the pressing block 22 acts on the driving bearing 200 to be positioned at the bearing mounting position of the driving shaft 100, thereby fixing the driving shaft 100 with the driving bearing 200.
The retainer ring boss 44 is provided on the inner ring tool body 41, and the shaft retainer ring 400 is placed on the retainer ring boss 44. When the pressing force of the pressing block 22 drives the transmission shaft 100 to be assembled with the transmission bearing 200, the shaft check ring 400 is in interference fit with the transmission shaft 100 under the effect of the pressing force, so that the assembly of the shaft check ring 400 and the transmission shaft 100 is realized, and the shaft check ring 400 can limit the transmission bearing 200 to move along the axial direction of the transmission shaft 100.
As shown in fig. 8, the outer ring pressing tool 5 includes an outer ring tool body 51, a pressing boss 52 and a pressing force transmitter 53; the pressing boss 52 is arranged at one end of the outer ring tool body 51 close to the pressing mechanism 2, and the pressing force conduction piece 53 is fixed at one end of the outer ring tool body 51 close to the transmission bearing 200; the pressing force of the pressing mechanism 2 acts on the pressing boss 52 to drive the pressing force transmitter 53 to move towards the direction close to the pump cavity 300; the inner cavity of the contact force transmitter 53 forms an escape groove 54 for accommodating the drive shaft 100. The outer race pressing tool 5 is used to assemble the drive bearing 200 to the pump housing 300. The pressing boss 52 is opposite to the pressing block 22, and the pressing force of the pressing block 22 is transmitted to the outer ring tool body 51 through the pressing boss 52 and then transmitted to the pressing force transmitter 53 through the outer ring body 51. The pressing force transmitter 53 is used to abut against the transmission bearing 200 to transmit the pressing force of the pressing mechanism 2 to the transmission bearing 200. The drive shaft 100 is located in the escape groove 54 during the process of the pressing force transmitter 53 driving the drive bearing 200 to be mounted and positioned to the pump housing 300.
Further, the outer ring tool body 51 is provided with a limiting table 511 for limiting the moving stroke of the pressing force transmission piece 53, and the limiting table 511 prevents the outer ring tool body 51 from transitively moving downwards so as to generate transitional pressing force on the transmission bearing 200.
Further, a hanging ring 14 is arranged on the support 1, a threaded hole is formed in the corresponding top plate 13, and the hanging ring 14 is fixed in the threaded hole. The hanging rings 14 are two, the two hanging rings 14 are fixed at the diagonal positions of the top plate, and the hanging rings 14 facilitate lifting the support 1.
Supplementary assembly devices of transmission shaft's working process specifically as follows:
the working process of the utility model is divided into two steps, the first step is to install the transmission shaft bearing 200 and the shaft retainer ring 400 on the transmission shaft 100, and the used tool is the tool 4 for pressing the inner ring of the shaft; the second step is to install the propeller shaft bearing 200 on the pump housing 300, and the tooling used is the outer ring of the pressing shaft tooling 5.
The first step is as follows: the propeller shaft bearing 200 and the shaft retainer ring 400 are mounted on the propeller shaft 100
1) Placing the base 11 of the bracket 1 on the pump housing 300, and matching the first positioning hole 111 of the base 11 with the pump housing 300;
2) screwing the control handle 31 to drive the screw rod 32 to rotate, so that the screw rod nut 33 moves upwards to drive the pressing plate 21 to move upwards to a proper position;
3) the press block 22 is taken down from the press plate 21 by taking down the positioning pins, and a press plate through hole 210 is reserved so that the transmission shaft 100 can pass through;
4) placing the shaft pressing inner ring tool 4 in a second positioning hole 112 on the base 11;
5) placing a shaft check ring 400 on a check ring boss 44 of a shaft pressing inner ring tool 4, then placing a transmission bearing 200 in a bearing positioning hole 42 of the shaft pressing inner ring tool 4 to be matched, sequentially passing a transmission shaft 100 through a top plate through hole 130 of a top plate 13 and a pressing plate through hole 210 of a pressing plate 21, and passing through the transmission bearing 200 and the shaft check ring 400, wherein the shaft head direction of the transmission shaft 100 is upward, namely the shaft head direction of the transmission shaft 100 points to the direction far away from a pump shell 300;
6) a pressing block 22 is arranged on the pressing plate 21, and a positioning pin is arranged to fix the pressing block 22;
7) the control handle 31 is screwed to drive the screw rod 32 to rotate, so that the screw rod nut 33 moves downwards, the pressing plate 21 and the pressing block 22 are driven to move downwards to press the transmission shaft 100, and the transmission bearing 200 and the shaft retainer ring 400 are pressed into the transmission shaft 100 to complete installation.
The second step is that: mounting the drive shaft 100 to the pump housing 300
1) Placing the base 11 of the bracket 1 on the pump housing 300, and matching the first positioning hole 111 of the base 11 with the pump housing 300;
2) screwing the control handle 31 to drive the screw rod 32 to rotate, so that the screw rod nut 33 moves upwards to drive the pressing plate 21 to move upwards to a proper position;
3) removing the positioning pin, removing the pressing block 22 from the pressing plate 21, and leaving a pressing plate through hole 210 for the transmission shaft 100 provided with the transmission bearing 200 to pass through;
4) the drive shaft 100 having completed the first mounting step is passed through the top plate through-hole 130 and the pressure plate through-hole 210 until the outer race of the drive bearing 200 is brought into contact with the bearing mounting hole of the pump housing 300;
5) placing a pressing shaft outer ring tool 5 on a base 11, wherein the outer diameter of the pressing shaft outer ring tool 5 is matched with a base through hole 110 on the base 11;
6) a pressing block 22 is arranged on the pressing plate 21, and a positioning pin is arranged to fix the pressing block 22;
7) the control handle 31 is screwed to drive the screw rod 32 to rotate, so that the screw rod nut 33 moves downwards, the pressing plate 21 and the pressing block 22 are driven to move downwards to press the outer ring tool 5 of the pressing shaft, the outer ring of the transmission bearing 200 is pressed, and the transmission bearing 200 is pressed into the pump shell 300 to complete installation.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. An auxiliary assembly mechanism of a transmission shaft is characterized by comprising a support, a pressing mechanism, an operation and control mechanism, a shaft pressing inner ring tool and a shaft pressing outer ring tool;
the pressing mechanism is in sliding fit with the bracket;
the control mechanism is arranged on the bracket and used for controlling the movement stroke of the pressing mechanism and providing pressing force for the pressing mechanism;
the shaft pressing inner ring tool is arranged to be positioned on the support to support the transmission bearing, and the shaft pressing inner ring tool is matched with the pressing mechanism to pre-install the transmission bearing on the transmission shaft;
the outer ring pressing tool is arranged on the support and used for transmitting pressing force of the pressing mechanism to the transmission bearing so as to fix the transmission bearing to the pump shell.
2. The auxiliary assembly mechanism of a transmission shaft according to claim 1, wherein the manipulation mechanism comprises a manipulation handle, a lead screw nut and a bearing; the control handle is fixedly connected with the screw rod, two ends of the screw rod are respectively fixed on the support through the corresponding bearings, the screw rod is matched with the screw rod nut, and the screw rod nut is fixedly connected with the pressing mechanism.
3. The assembly assist mechanism for a drive shaft of claim 2, wherein the steering mechanism further comprises a retainer ring that limits the sliding movement of the bearing.
4. The auxiliary assembly mechanism of a transmission shaft according to claim 1, wherein the bracket includes a base, a guide rail, and a top plate; the first end of the guide rail is fixed on the base, and the second end of the guide rail is fixed on the top plate;
the pressing mechanism is in sliding fit with the guide rail;
two ends of the control mechanism are respectively arranged on the base and the top plate;
a top plate through hole for the transmission bearing to penetrate through is formed in the top plate;
the base is provided with a base through hole for the transmission bearing to penetrate through, and the outer ring pressing tool is positioned in the base through hole and slides along the base through hole under the action of the pressing force of the pressing mechanism;
the base is also provided with a first positioning hole and a second positioning hole; the first positioning hole is used for positioning the base on a pump shell, and the second positioning hole is used for positioning the pressing shaft inner ring tool.
5. The auxiliary assembling mechanism for the transmission shaft according to claim 1, wherein the pressing mechanism comprises a pressing plate and a pressing block, the pressing plate is fixedly connected with the control mechanism, and the pressing plate is in sliding fit with the bracket;
the pressing plate is provided with a pressing plate through hole, and the pressing block is detachably fixed on the pressing plate.
6. The auxiliary assembling mechanism for the transmission shaft according to claim 5, wherein the pressing block comprises an upper clamping plate, a lower clamping plate, a central column and a pressing boss, and the upper clamping plate and the lower clamping plate are fixedly connected through the central column; the pressing boss is arranged on the lower clamping plate; the upper clamping plate is provided with an upper clamping plate pin hole;
the pressing plate is also provided with a pressing plate pin hole matched with the upper clamping plate pin hole, and the pressing plate is clamped between the upper clamping plate and the lower clamping plate; the pressing plate is provided with a groove for the central column to penetrate through, and the groove is connected with the pressing plate through hole.
7. The auxiliary assembling mechanism for the transmission shaft according to claim 1, wherein the shaft pressing inner ring tool comprises an inner ring tool body, a bearing positioning groove, a first transmission shaft through hole and a retainer ring boss;
the inner ring tool body is positioned on the support, the first transmission shaft through hole penetrates through the inner ring tool body, the bearing positioning groove is formed in one end, close to the pressing mechanism, of the inner ring tool body, and the bearing positioning groove is used for placing a transmission bearing;
the retainer ring boss is arranged on the inner ring tool body.
8. The auxiliary assembling mechanism for the transmission shaft according to claim 1, wherein the outer ring pressing tool comprises an outer ring tool body, a pressing boss and a pressing force conduction piece;
the pressing boss is arranged at one end, close to the pressing mechanism, of the outer ring tool body, and the pressing force conduction piece is fixed at one end, close to the transmission bearing, of the outer ring tool body;
the pressing force of the pressing mechanism acts on the pressing boss to drive the pressing force conducting piece to move towards the direction close to the pump cavity;
the internal cavity of the pressing force conduction piece forms an avoidance groove for accommodating the transmission shaft.
9. The auxiliary assembling mechanism for the transmission shaft according to claim 8, wherein a limiting table for limiting the moving stroke of the pressing force transmitter is arranged on the outer ring tool body.
10. The auxiliary assembly mechanism of a transmission shaft according to claim 1, wherein the bracket is provided with a hanging ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920332035.3U CN210254947U (en) | 2019-03-15 | 2019-03-15 | Auxiliary assembly mechanism of transmission shaft |
Applications Claiming Priority (1)
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