CN219358571U - Pin pressing device for swash plate bearing bush - Google Patents

Abstract

The utility model relates to a pin pressing device, comprising: a bearing bushing mount; the push pin, the bearing bushing mount and the push pin are combined into a single unit; and an actuator for driving the bearing bushing mount and/or the push pin bar, wherein the push pin bar comprises a first pressing plate, a plurality of first springs, and a plurality of pressing pins.

Description

Pin pressing device for swash plate bearing bush

Technical Field

The present specification relates generally to a compression pin apparatus and method of installing a swash plate bearing bushing and bushing pin into a motor housing.

Background

A swash plate is a device for converting a motion of a rotating body, such as a shaft, into a reciprocating motion, or converting a reciprocating motion from a device, such as a piston, into a rotating motion. Swash plates used in piston motors or piston pumps typically have bearing bushings for the shaft that allow the swash plate to rotate smoothly when driven. The bearing bushing may be inserted and the bushing pin installed with repeatable precision and accuracy to secure and assemble the bearing bushing. Bearing bushings are mechanical components that can provide a bearing surface for a rotating application, such as reducing friction between a spin shaft and a stationary support element. To assemble the bearing bushing, bushing pins may be used. The bushing pin should be pressed and inserted with sufficient force above a minimum threshold to properly press it into the bearing bushing a sufficient distance. The bushing pin should also be pressed in and inserted with a force below a maximum threshold to prevent damage to the bearing bushing. The pin should be sufficiently precessed when inserted to control the pin height and other major dimensions relative to the pin bore in the bearing bushing of the swash plate.

The bearing bushing and bushing pin may be installed with separate tools during assembly. However, this may result in longer times for installing the bearing bushing and bushing pin. In addition, the accuracy of the force and/or position required may not be consistent when switching to the tool and holding the bushing pin steady. Such inconsistencies may cause the bearing bushing and bushing pin to be improperly aligned or inserted and result in component degradation.

Disclosure of Invention

The inventors herein have recognized these and other problems with such systems. To this end, the present inventors have developed, in one example, a press pin device and a method of installing a pin via the press pin device. The pin press may hold the bearing bushing and insert it into the motor housing or pump housing. Additionally, the pin pressing device may press the pin into place in the bearing bush at a time within the housing.

According to one aspect of the present utility model, there is provided a press pin apparatus comprising: a bearing bushing mount; the push pin, the bearing bushing mount and the push pin are combined into a single unit; and an actuator for driving the bearing bushing mount and/or the push pin bar, wherein the push pin bar comprises a first pressing plate, a plurality of first springs, and a plurality of pressing pins.

The pin pressing means may be electrically driven allowing automation of the step of reducing the labor intensity of the mount while following the method. In addition, the pin pressing device allows the bearing bush and pin to be mounted and pressed with repeated precision and accuracy in the method. Also, incorporating the bearing bushing mount and the push pin into a single unit may allow for improved precision and accuracy. In this method, the installation of the pin and bushing bearings may be accomplished with a single tool. The pin pressing means may also be adjustable when mounting pins for a variety of bearing bushing variations to a plurality of different swash plates and engine, motor or pump housings, allowing for greater flexibility.

It should be understood that the summary above is provided to introduce in simplified form a selection of concepts that are further described in the detailed description. This is not meant to identify key or essential features of the claimed subject matter, the scope of which is defined uniquely by the claims that follow the detailed description. Furthermore, the claimed subject matter is not limited to implementations that solve any disadvantages noted above or in any part of this disclosure.

Drawings

Fig. 1A shows the press pin device in a lateral side view along the x-axis.

Fig. 1B shows the press pin device of fig. 1A with its external components and surfaces transparent to show additional components.

Fig. 2A shows the press pin arrangement in a top view along the z-axis.

Fig. 2B shows a cross-sectional view of the press pin device of fig. 2A in a top view along a z-axis coupled to a bearing bushing.

Figure 3 shows an isometric exploded view of the compression pin assembly.

Fig. 4 shows the pin press in a longitudinal side view along the y-axis.

Fig. 5 illustrates a method of installing a pin and bushing bearing.

Detailed Description

The following description relates to systems and methods for a pin device, such as a clamp. The pin press may be actuated via an actuator external to the pin press. The actuator extension and compression pin means may be electrically powered. The pin press incorporates the ability to install bearing bushings and bushing pins into a manufactured part or device that utilizes a swash plate. The press pin apparatus also incorporates the ability to press the different pins loaded with the press pin apparatus into the swash plate with approximately the same or similar force and depth accuracy. Powering the press pin device via electrical power may allow for repeatable precision and accuracy in mounting the pin and bearing bush to the swash plate. The component or device from which the swash plate is made may be a motor or pump, the housing of which may be referred to as a motor housing/pump housing.

The method shows how an operator may use a press pin device to install the bearing bushing and bushing pin. In addition, the method shows that the pin press apparatus can be implemented in an automated step to mount the bearing and bushing pins.

Examples of the press pin device are shown in side views in fig. 1A to 1B. Fig. 1A shows components, such as a plate, for a press pin device, while fig. 1B shows additional components, such as mechanical components and fasteners, for a press pin device. Fig. 2A shows the pin press in a side view, showing the mechanical parts and the number of certain parts. Fig. 2B shows a cross-sectional view of the pin pressing device pressing the bushing pin into the bearing bushing in a side view. Fig. 3 illustrates, via an exploded view, disassembled mechanical components, fasteners, and features, such as through holes and mounting features. Fig. 4 shows components such as plates and fasteners in a longitudinal side view. Fig. 5 illustrates a method used by an operator and a pin press apparatus to install a bearing bushing and press a bushing pin.

Fig. 1A to 4 show configurations with example positioning. Fig. 1A-4 are shown to scale, although other relative dimensions may be used. As used herein, unless otherwise indicated, the term "substantially" is to be construed to mean plus or minus five percent of the range.

Further, fig. 1A-4 illustrate example configurations with relative positioning of various components. If shown as being in direct contact with or directly coupled to each other, such elements may be referred to as being in direct contact with or directly coupled to each other, respectively, at least in one example. Similarly, elements shown as abutting or adjacent to one another may be abutting or adjacent to one another, respectively, in at least one example. As one example, components that are in coplanar contact with each other may be referred to as being in coplanar contact. As another example, in at least one example, elements positioned apart from one another with only spacing between them and no other components may be said to be in coplanar contact. As yet another example, elements shown above/below each other, on opposite sides of each other, or to the left/right of each other may be referred to as being in coplanar contact. Further, as shown, in at least one example, a top-most element or point of an element may be referred to as the "top" of a component, while a bottom-most element or point of an element may be referred to as the "bottom" of a component. As used herein, top/bottom, upper/lower, up/down may be relative to a vertical axis of the drawings, and are used to describe the positioning of elements of the drawings relative to each other. To this end, in one example, elements shown above other elements are positioned vertically above the other elements. As another example, the shapes of elements illustrated in the figures may be referred to as having these shapes (e.g., circular, straight, planar, curved, rounded, chamfered, angled, etc.). Further, in at least one example, elements shown intersecting each other may be referred to as intersecting elements or intersecting each other. Further, in one example, elements shown within or outside of another element may be referred to as intersecting elements or intersecting each other. Furthermore, the component may be described as it relates to a reference axis comprised in the drawings.

A set of reference axes 101 is provided for comparison between the views shown in fig. 1A to 4. Reference axis 101 indicates the y-axis, x-axis, and z-axis. In one example, the z-axis may be parallel to the direction of gravity and the x-y plane may be parallel to the horizontal plane in which the press pin device 102 is located. When referring to directions, positive may refer to the directions of the arrows of the y-axis, x-axis, and z-axis, while negative may refer to the opposite directions of the arrows of the y-axis, x-axis, and z-axis. Arrows represented by filled circles may represent axes facing toward or against the view. Arrows represented by open circles may represent axes that are either facing away from the view or opposite the view.

Turning to fig. 1A, a press pin apparatus 102 is shown from a side view 100. The pin press 102 is bisected into two relatively symmetrical halves by the longitudinal axis 104. The press pin device 102 may have a first side 106 and a second side 108, and a top side 112 and a bottom side 110. With respect to the z-axis, the bottom side 110 is below the longitudinal axis 104, while the top side 112 is above the longitudinal axis. The pin press 102 is separate from the completed motor/compressor/pump.

The pin press 102 is formed of pin push rods and bearing bushing mounts that are combined into a single unit, and may also be composed of multiple plates. The pressing plate 122 may be located closest to the first side 106, the pressing substrate 128 is located closest to the second side 108, and the plurality of baffles 126 may be located between the pressing plate 122 and the pressing substrate 128. The pressing plate 122 may act as a first pressing plate, while the pressing substrate 128 may act as a second pressing plate. Closer to the second side 108 of the pressing substrate 128 are a plurality of guide seats, referred to herein as pressing guide seats 130. The distance along the longitudinal axis 104 between the pressing plate 122 and the pressing substrate 128 may be adjustable.

Between the pressing plate 122 and the plurality of baffles 126 are a plurality of first springs, referred to herein as first pressing springs 132. Each baffle 126 may have a first pressing spring 132. The first pressing spring 132 may couple the pressing plate 122 to a plurality of first plates 134. The first plate 134 may circumferentially surround the first pressing spring 132. Between the first plates 134 and the baffle 126 are linear bearings 136.

The baffle 126 may be coupled to a pressing substrate 128. The pressing substrate 128 may be coupled to a plurality of second springs (referred to herein as second pressing springs 144) via a plurality of guide shafts (referred to herein as pressing guide shafts 142). The second pressing spring 144 may couple the pressing guide shaft 142 to the pressing guide holder 130. When the second pressing spring 144 is contracted, the pressing guide 130 may be retracted toward the first side 106. Upon expansion of the second pressing spring 144, the pressing shoe 130 may translate along the longitudinal axis 104 and extend toward the second side 108.

Located between the pressing guide shaft 142 and the second pressing spring 144 on the top side 112 and the bottom side 110 are a plurality of pressing pins 146, which may be coupled to the first pressing spring 132. The first spring force of the first pressing spring 132 may hold the position of the press pin 146 and prevent the press pin from sliding along the longitudinal axis 104. As one example, if the force on the pressing plate 122 is large enough to overcome and oppose the first spring force of the first pressing spring 132, the first pressing spring 132 may contract and the force may be transferred to the press pin shaft 146. For this example, as the first compression spring 132 contracts, the compression plate 122 may translate along the longitudinal axis toward the second side 108. Likewise, as the first compression spring 132 contracts, the compression pin shaft 146 may translate along the longitudinal axis 104 and extend toward the second side 108. For another example, the first pressing spring 132 may expand if the force on the pressing plate 122 is removed or reduced to be less than the first spring force. For this example, expansion of the spring against the pressing substrate 128 may retract the press pin shaft 146 toward the first side 106.

The linear bearing 136 allows the plurality of compression pins 146 and the components of the first compression spring 132 to translate along the longitudinal axis 104. The press pin 146 and portions of the first press spring 132 may translate along the length of the longitudinal axis 104 via the linear bearing 136, the baffle 126, and the press base 128. The press pin 146 and portions of the first press spring 132 may translate along the length of the longitudinal axis 104 via the linear bearing 136, the baffle 126, and the press base 128.

A plurality of locating pins 148 are located on a side of the pressing substrate 128 closest to the second side 108. The locating pins 148 may be inserted into specially designed holes in the manufacturing components (such as the motor housing/pump housing) so that the pin press 102 and bearing bushing may be properly aligned within the motor housing/pump housing. During operation, the locating pins 148 may be inserted into specially designed holes on the manufacturing component, and the pressing substrate 128 may abut the manufacturing component.

On the end of each of the pressing shoes 130 closest to the second side 108 is a bushing bearing block 152. A plurality of bushing bearing blocks 152 may be coupled to and used to secure the bearing bushing during installation and staking.

The pressing guide 130 and the bushing bearing block 152 may cooperate with the pressing guide shaft 142 and the second pressing spring 144 to mount the bearing bushing. The pressing guide shoe 130, the bushing bearing block 152, the pressing guide shaft 142, and the second pressing spring 144 may form a bearing bushing mount of the press pin device 102. The bearing bushing may be fastened and temporarily received on the pressing guide 130 by the bushing bearing block 152. When the press pin devices are in the correct position on the housing, such as when the locating pins 148 are inserted into their corresponding holes in the housing, the second press spring 144 may extend from the press guide shaft 142 to insert the bearing bushing on the press guide 130 into the housing at a distance along the longitudinal axis. The press guide shaft 142 maintains the press guide shoe 130 and the bushing bearing block 152 in general alignment such that a centerline therethrough is generally parallel to the longitudinal axis 104. The pressing guide 130 and the bushing bearing block 152 are aligned with the longitudinal axis 104 such that the bearing bushing does not enter the housing at an angle to the longitudinal axis 104.

The second pressing spring 144 may absorb force and slow down the pressing of the pressing guide 130 to prevent the bearing bushing from being degraded. The second pressing spring 144 may provide a second spring force opposite the direction of the applied force along the longitudinal axis 104. For example, the second pressing spring 144 may contract when a force is applied to the pressing guide 130. For this example, as the second pressing spring 144 contracts, the pressing shoe 130 may extend along the longitudinal axis 104 toward the pressing substrate 128. For another example, the second pressing spring 144 may expand if the force from the pressing shoe 130 is removed or reduced to be less than the second spring force. For this example, expansion of the second compression spring 144 from the compression guide shaft 142 may cause the compression guide 130 to translate toward the second side 108.

The press pin shaft 146 may be used to press a single or multiple pins (e.g., bushing pins 272) into a bearing bushing. The bushing pin may be loaded into the press pin shaft 146. The first pressing spring 132 may expand to prepare the pressing pin shaft 146 and the loaded bushing pin for pressing. The pressing pin 146, the first pressing spring 132, the pressing plate 122, the first plate 134, the baffle 126, and the linear bearing 136 form a push pin of the pressing pin device 102. Upon expansion, the contraction of the first pressing spring 132 may press the pressing pin shaft 146 toward and press the bushing pin into the bearing bushing on the pressing shoe 130.

Turning to fig. 1B, additional components of the press pin apparatus 102 that are embedded or blocked by other components from fig. 1A are shown.

The additional components of fig. 1B include a plurality of fasteners, such as screws, that may couple the components of the press pin device 102 together. The plurality of M6 fasteners 162 may act as first fasteners to couple the pressing plate 122 to the first pressing spring 132. The plurality of first M4 fasteners 164 may act as second fasteners to couple the linear bearing 136 to the baffle 126 and to couple the baffle 126 to the pressing substrate 128. The plurality of first M5 fasteners 168 may act as third fasteners to couple the pressing base plate 128 to the pressing guide shaft 142. A plurality of second M5 fasteners 170 may act as fourth fasteners to couple second pressing spring 144 to pressing shoe 130. Located between head 178 of second M5 fastener 170 and second pressing spring 144 may be a plurality of second plates 172. A second plate 172 may be spaced between each second pressing spring 144 and the second M5 fastener 170. Second plate 172 may function similarly to the washer of second M5 fastener 170.

A plurality of heads, referred to herein as hard rams 176, may be located on the end of the press pin 146 closest to the second side 108. Each of the hard rams 176 may be used to load bushing pins into the bearing bushings of the swash plate. The hard ram 176 may retract and extend with the ram pin 146. As the press pin shaft 146 extends toward the second side 108, the hard press head 176 may press the plurality of bushing pins into the bearing bushing secured by the bushing bearing block 152.

Turning to fig. 2A, the pin press 102 is shown in a top view at 200. As seen in top view 200, the pin press 102 is bisected into two relatively symmetrical halves by the longitudinal axis 104. As seen in top view 200, there may be a third side 214 and a fourth side 216.

The various components of the press pin assembly 102 are visible from a top view. For example, the press pin device 102 has two of a first pressing spring 132, a first plate 134, a linear bearing 136, and a shutter 126.

Turning to fig. 2B, the cutout 250 and bearing bushing 260 of the pin apparatus 102 are shown in top view 200. For example, the cutout 250 shows the insertion of the pin press 102 through a hole 264 in a sleeve 262 of the bearing bushing 260. For this example, the locating pins 148 of the pin press 102 may be inserted into corresponding holes in the housing. When the press pin device 102 is inserted, the press pin shaft 146, the press guide 130, and the bushing bearing block 152 may be circumferentially surrounded and surrounded by the sleeve 262. In addition, although not shown in the cutout 250, the pressing guide shaft 142 and the second pressing spring 144 may be circumferentially surrounded by the sleeve 262 when the pressing pin device 102 is inserted into the bearing bushing 260. The bearing bushing 260 may be fastened and temporarily received on the pressing guide 130 by the bushing bearing block 152.

The sleeve 262 has a first side surface 266 and a second side surface 268 that can press the base plate 128 and the bushing bearing block 152, respectively, against when the press pin device 102 is inserted into the bearing bushing 260 and the locating pin 148 is inserted into the corresponding hole. Bushing pins 272 may be loaded into the hard indenter 176, wherein each head of the hard indenter 176 may be loaded with a bushing pin 272.

The actuator 280 may apply a force to the pressing plate 122. The actuator 280 may be external to the press pin device 102. The actuator 280 may be a solenoid, a motor/gear combination, or another form of actuator powered by electricity. For example, the actuator 280 may be powered via an electric machine (such as a motor). Actuator 280 may be part of a larger manufacturing assembly. The manufacturing assembly and/or the actuator 280 may be controlled by a controller. The controller may adjust the speed, force, and distance that the actuator 280 moves during actuation. The controller may control the power supplied to the actuator and when actuation of the actuator occurs. The controller and electrical actuation allow the actuator 280 to repeatedly press the pressing plate 122 with high accuracy, as compared to manual installation. The pressing plate 122 may also further improve accuracy by distributing the force approximately equally into the pressing pin shaft 146 and allowing the pin to be mounted in the bearing bushing 260 in a single step rather than multiple steps. Wherein the pressing plate 122 may reduce the time to assemble the bearing cartridge 260 by reducing the number of actuation steps of the actuator 280.

The pin pressing device 102 may be used in conjunction with the actuator 280 to press a pin, such as bushing pin 272, into the bearing bushing 260. The press pin device 102 may be pressed by the actuator 280 when properly positioned in or with the manufacturing assembly. The actuator 280 may abut and be pressed into the pressing plate 122.

The actuator 280 may have a length 282 and a central axis 284 that may be generally parallel to the longitudinal axis 104. When the actuator 280 is aligned with the press pin device 102, the central axis 284 may be collinear with the longitudinal axis 104. When the actuator is aligned with the press pin device 102, the central axis 284 of the actuator may be collinear with the longitudinal axis 104.

The force from the actuator 280 may cause the first pressing spring 132 to contract and expand. For example, the actuator may be pressed into the pressing plate 122. For this example, the first pressing spring 132 may contract when the force from the actuator is large enough to overcome the first spring force. The contraction of the first pressing spring 132 allows the actuator and pressing plate 122 to transfer force into the press pin 146 and extend the press pin along the longitudinal axis.

For another example, actuator 280 may be retractable. For this example, as the actuator retracts, the force applied to the pressing plate 122 decreases. For this example, the first pressing spring 132 may expand when the force from the actuator 280 becomes less than the first spring force of the first pressing spring 132. Expansion of the first compression spring 132 retracts the compression pin shaft 146 along the longitudinal axis.

The actuator 280 may be used to drive the press pin shaft 146 along the longitudinal axis 104 via the first press spring 132 and the press plate 122. When aligned along the longitudinal axis 104. The force from the actuator 280 may be distributed substantially equally to each of the press pin shaft 146 and the first press spring 132. Thus, each of the press pin shaft 146 and the hard press head 176 may extend a substantially similar distance and force. As one example, each of the bushing pins 272 inserted into the hard indenter 176 may be inserted into the bearing bushing 260 with a substantially similar force and a substantially similar distance.

Each hard indenter 176 may press a respective bushing pin 272 into the bearing bushing 260. Bushing pin 272 may be pressed into a hole 274 in second side surface 268 by press pin shaft 146 and first press spring 132. Bushing pin 272 may also be pushed through and into a bearing component of bearing bushing 260. The bearing component may be cylindrical and circumferentially surround a portion of the bushing pin 272. The bearing member is rotatable about bushing pin 272.

It should be appreciated that for the example in fig. 2B, the y-axis and the longitudinal axis 104 may be parallel to the direction of gravity. For this example, the bearing bushing 260 may rest thereon and the press pin device 102 may be suspended above a plane formed by the x-y axis.

Turning to fig. 3, an isometric exploded view 300 of the press pin assembly 102 is shown.

From the exploded view 300, various components are shown. For example, there may be four pressing guide shafts 142 and four second pressing springs 144. In addition, there may be four first M5 fasteners 168, four second M5 fasteners 170 to supplement the pressing guide shaft 142 and the second pressing spring 144, respectively. For this example, the press pin device 102 may also have two press guide shafts 142 and two press guide shoes 130 with bushing bearing blocks 152.

The first and second positioning pins 148a, 148b include the positioning pins 148 shown in fig. 1A to 2. The first alignment pin 148a is located near the top of the pressing substrate 128 and closest to the fourth side 216. The second alignment pin 148b may be located near the bottom of the pressing substrate 128 near the third side 214.

The exploded view 300 shows that the press pin device 102 may have a plurality of mounting holes for various components. The pressing plate 122 has a plurality of pressing spring mounting holes 322 at which the first pressing springs 132 may be coupled to the pressing plate 122. Each first pressing spring 132 may have two pressing spring mounting holes 322. The pressing substrate 128 may have a plurality of guide shaft mounting holes 332 to which the pressing guide shaft 142 may be fastened. For example, the pressing guide shaft 142 may abut and partially insert into the guide shaft mounting hole 332 from the second side 108 of the pressing substrate 128. For this example, the first M5 fastener 168 may be inserted into the pressing guide shaft 142 from the first side 106 of the pressing substrate 128 and couple it to the guide shaft mounting hole 332. Each of the pressing shoes 130 has a plurality of block mounting holes 362. For this example, there may be two block mounting holes 362 per press shoe 130. The block mounting holes 362 may be used with a plurality of second M4 fasteners 174 to couple the bushing bearing block 152 to the press shoe 130.

The exploded view 300 shows that the press pin device 102 may have a plurality of through holes for various components to pass through. The pressing plate 128 has a plurality of first through holes 334, wherein the pressing pins 146 may pass through the pressing base plate 128. Portions of the hard ram 176 and the press pin 146 may pass through a plurality of third through holes 352 in the press shoe 130 and fourth through holes 354 in the bushing bearing block 152. The pressing guide 130 has additional through holes in the form of a plurality of second through holes 342. The second pressing spring 144 may pass through the second through hole 342. For this example, the press pin device 102 has two first through holes 334, two third through holes 352 and two fourth through holes 354, and four second through holes 342. Each pressing guide 130 has two second through holes 342 and one third through hole 352. Each bushing bearing block 152 has a fourth bore 354.

The pressing substrate 128 may have a plurality of operation beams 372 formed of operation slits 374. The operator may grasp the operating beam 372 with his hand or other instrument to use the press pin device 102. The pressing substrate 128 also has a first void 382 and a second void 384 to reduce the weight of the material of the pressing substrate 128 and the press pin device 102.

Fig. 4 shows a sketch 400 in a longitudinal view of the press pin device 102 in a longitudinal side view along the y-axis, wherein the portion of the press pin device 102 closest to the first side 106 faces the viewer.

The longitudinal view 400 shows that there may be four M6 fasteners 168 for coupling the compression guide shaft 142 to the compression base 128. The longitudinal view 400 shows that there may be eight first M4 fasteners 164 for coupling the linear bearing 136 and the baffle 126 to the pressing base 128.

The actuator 280 of fig. 2B may actuate and press the pressing plate 122 at the central region 410. The longitudinal axis 104 may be concentric with and circumferentially surrounded by the central region 410. The force from the actuator 280 to the central region 410 may be distributed substantially equally to each of the compression pin shaft 146 and the first compression spring 132. Thus, each of the press pin shaft 146 and the hard press head 176 may extend a substantially similar distance and force. As one example, a pin loaded into the hard head 176 may be inserted into the bearing bushing 260 with a substantially similar force and a substantially similar distance due to a substantially equal force distribution from the actuator 280.

Fig. 5 shows a flow chart of a method 500 for operating the pinning device 102. The method 500 begins and proceeds to a first block 502. At a first block 502, the operator is ready to use the motor and pressing device. Block 502 is comprised of a number of sub-steps. Block 502 begins with block 504. At block 504, the motor housing/pump casing and the motor inside it are positioned so that the operator can install the bearing cartridge. The motor housing/pump housing may be positioned on the manufacturing assembly. After block 504, the method 500 proceeds to block 506, where the bearing bushing may be loaded onto the bushing bearing block 152, such as by an operator or via automated equipment. After block 506, the method 500 proceeds to block 508, where bushing pins, such as bushing pin 272, may be loaded into each head of the hard indenter 176. After block 508, the method 500 may leave block 502.

The method 500 continues to block 510. At block 510, an operator may attach and position the pin press 102 to and within the motor/pump housing. Block 510 is comprised of multiple sub-steps. Block 510 begins with block 512 in which the press pin device 102 is secured by an operator. The operator may grasp the pressing substrate 128 by the operating beams 372 on the third side 214 and the fourth side 216 to secure and position the press pin device 102. From block 512, method 500 proceeds to block 514. At block 514, the operator guides the locating pins 148 into corresponding guide holes on the motor housing/pump casing while inserting the bushing bearing blocks 152 and bearing bushings into the motor housing/pump casing. Insertion of the bushing bearing block 152, bearing bushing and dowel pin 148 may be accomplished by an operator through translational movement. Fitting the locating pin 148 into the pilot hole aligns the bushing bearing block 152 to fit with the swash plate in the motor housing/pump housing. Beginning at block 514, the method 500 proceeds to block 516 where the operator checks the position and condition of the bearing cartridge. If the bearing cartridge appears to be firm, does not contact a component of the motor housing/pump casing, and has sufficient clearance to translate along the longitudinal axis 104, the method 500 may leave blocks 516 and 510 and proceed to the next block.

The method 500 continues to block 520 where a press function for manufacturing the assembly begins. The pressing function may be initiated by manual actuation, such as by an operator actuating an input device, or remotely, such as via a computer communicatively coupled to the manufacturing assembly and the actuator. Once the pressing device has been activated, the method 500 proceeds to block 522. At block 522, the operator waits for the compression pin apparatus 102 and motor housing/pump casing to be adjusted by the manufacturing assembly. At block 522, the press pin device 102 and motor housing/pump housing are automatically adjusted by the manufacturing assembly from the loading position to the press pin position. The pin press 102 and an actuator, such as actuator 280, may be adjusted and aligned so that the pin press is positioned below the actuator. The actuators may be aligned to press into a central region of the press plate, such as central region 410 of press plate 122. Adjustment of the pin press 102, motor housing/pump housing, actuator, and manufacturing assembly may be controlled and monitored by a controller. The controller may be integrally formed with or communicatively coupled to a computer, such as a Personal Computer (PC), having a user interface and a display. An operator may use a computer to manually alter the controller functions or adjust the manufacturing components. Completion of the adjustment at block 522 may be indicated by a visual signal such as light and/or an audio signal such as beep, which may be interpreted by an operator of the pin press 102 and manufacturing assembly.

After block 522, the method 500 proceeds to block 530. At block 530, the operator may activate an input device, such as a button, to begin pressing the actuator against the pressing plate. The input device may be located on an interface of the manufacturing component and/or a computer communicatively coupled to the manufacturing component. The input device may initiate the pressing function of the actuator against the press pin device 102. Once the button is engaged, the method proceeds to block 532 where the actuator is pressed against the pressing plate of the press pin device. The actuator may extend along a longitudinal axis and press against a pressing area, such as a central area 410 of the pressing plate 122. The actuator may be pressed against the pressing area with a preset force and speed set by the controller. Pressing the actuator against the pressing plate may force the first spring (such as first pressing spring 132) to contract and force the guide shaft (such as pressing guide shaft 142) to expand. Extension of the guide shaft may press the head and pins (such as hard ram 176 and bushing pin 272) toward the bearing bushing. The head may press the bushing pin into the bearing bushing and motor housing/pump housing to assemble and couple the bearing in the correct position. Each of the rams presses the pin into the bearing bush with a similar force and a similar depth.

After the bushing pin is pressed into the bearing bushing, the method 500 proceeds to block 536. At block 536, the actuator is retracted. Upon retraction of the actuator, the components of the pin press generally return to the position and state before they were pressed. The actuator may be adjusted and aligned as the actuator is retracted so that the pin press is not positioned below the actuator. The hold down pin device may be removed from the actuator or a component coupled to the actuator without contacting the actuator.

After block 536, the method 500 proceeds to block 538. At block 538, the operator may remove the bearing bushing from the bushing bearing block 152. After block 538, the method 500 may proceed to block 540 where the compression pin apparatus 102 is removed from the motor/pump housing. To remove from the motor housing/pump casing, the compression pin apparatus 102 may translate along the longitudinal axis 104 until the various components of the compression pin apparatus 102 have been removed from the motor housing/pump casing. After the press pin device 102 has been removed, the method 500 proceeds to block 542. At block 542, the operator may manually check the pin position using a separate tool to see if the height of the bushing pin above the bushing bearing is within a tolerance of an acceptable height range. The tolerance of the acceptable height may be between the first threshold and the second threshold. During this process, the method 500 may proceed to block 544. If the height is outside of the tolerance at block 544, e.g., the height may be below a first threshold or above a second threshold (e.g., no at 544), the method may proceed to block 546. At block 546, the operator may adjust the state in the actuator on the manufacturing assembly. After block 546, the method may end. Returning to block 544, if the pin height is within tolerance (e.g., yes at 544), the method 500 may end.

The present disclosure also provides a support for a press pin device, comprising: a bearing bushing mount and a push pin, which are combined into a single unit. In a first example of the system, the system further comprises: an electric actuator for driving the bearing bushing mount and/or the push pin. In a second example of the system, optionally including the first example, the push rod includes a first press plate, a plurality of first springs, and a plurality of press pins. In a third example of the system, optionally including one or both of the first example and the second example, a plurality of first springs are coupled to the first press plate via a plurality of first fasteners, and a plurality of first springs are each coupled to one of the plurality of press pins, wherein contraction and expansion of the plurality of first springs translates the plurality of press pins along the longitudinal axis. In a fourth example of the system, optionally including one or more or each of the first to third examples, each of the plurality of first springs and the plurality of compression pins has portions that translate along the longitudinal axis through the linear bearing, the baffle, and the second compression plate. In a fifth example of the system, optionally including one or more or each of the first to fourth examples, the plurality of press pins each have a head loaded with pins, each head pressing a respective pin into the bearing bush. In a sixth example of the system, optionally including one or more or each of the first to fifth examples, the plurality of first springs are expanded or contracted via the electric actuator to adjust the plurality of press pins or press a single or plurality of pins. In a seventh example of the system, optionally including one or more or each of the first to sixth examples, the first pressing plate is adjustable along the longitudinal axis via a plurality of first springs. In an eighth example of the system, optionally including one or more or each of the first to seventh examples, the bearing bushing mount includes a plurality of guide shafts, a plurality of second springs, a plurality of guide shoes, and a second press plate, the plurality of guide shafts coupled to the second press plate, wherein the plurality of guide shafts are coupled to a plurality of guide shoes via the plurality of second springs. In a ninth example of the system, optionally including one or more or each of the first to eighth examples, the plurality of guide shafts are each coupled to the second pressing plate via a plurality of third fasteners, and wherein the plurality of second springs are each coupled to a respective guide shoe via a plurality of fourth fasteners. In a tenth example of the system, optionally including one or more or each of the first to ninth examples, contraction and expansion of the plurality of second springs translates the plurality of guide seats along the longitudinal axis. In an eleventh example of the system, optionally including one or more or each of the first to tenth examples, each of the plurality of shoes is coupled to the bushing bearing block. In a twelfth example of the system, optionally including one or more or each of the first to eleventh examples, the plurality of guide shoes and bushing bearing blocks adjust position and translate the bearing bushing into the housing. In a thirteenth example of the system, optionally including one or more or each of the first to twelfth examples, the second pressing plate abuts against the housing or surface during operation of the bearing cartridge mount. It should be noted that the example control and estimation routines included herein can be used with various engine and/or vehicle system configurations. The control methods and routines disclosed herein may be stored as executable instructions in non-transitory memory and may be implemented by a control system including a controller in combination with various sensors, actuators, and other engine hardware. The specific routines described herein may represent one or more of any number of processing strategies such as event-driven, interrupt-driven, multi-tasking, multi-threading, and the like. To this end, various acts, operations, and/or functions illustrated may be performed in the sequence illustrated, in parallel, or in some cases omitted. Likewise, the order of processing is not necessarily required to achieve the features and advantages of the example embodiments described herein, but is provided for ease of illustration and description. One or more of the illustrated acts, operations, and/or functions may be repeatedly performed depending on the particular strategy being used. Further, the described acts, operations, and/or functions may graphically represent code to be programmed into the non-transitory memory of the computer readable storage medium in the engine control system, wherein the described acts are implemented by executing instructions in the system, which includes various engine hardware components in combination with the electronic controller.

It will be appreciated that the configurations and routines disclosed herein are exemplary in nature, and that these specific embodiments are not to be considered in a limiting sense, because numerous variations are possible. For example, the above technique may be applied to V-6 cylinders, in-line 4 cylinders, in-line 6 cylinders, V-12 cylinders, opposed 4 cylinders, and other engine types. Furthermore, unless explicitly stated to the contrary, the terms "first," "second," "third," and the like are not intended to denote any order, location, quantity, or importance, but rather are used merely as labels to distinguish one element from another. The subject matter of the present disclosure includes all novel and non-obvious combinations and subcombinations of the various systems and configurations, and other features, functions, and/or properties disclosed herein.

As used herein, unless otherwise specified, the term "substantially" is to be construed to mean plus or minus five percent of the range.

The following claims particularly point out certain combinations and subcombinations regarded as novel and nonobvious. These claims may refer to "an" element or "a first" element or the equivalent thereof. Such claims should be understood to include incorporation of one or more such elements, neither requiring nor excluding two or more such elements. Other combinations and subcombinations of the disclosed features, functions, elements, and/or properties may be claimed through amendment of the present claims or through presentation of new claims in this or a related application. Such claims, whether broader, narrower, equal, or different in scope to the original claims, also are regarded as included within the subject matter of the present disclosure.

Claims (13)

1. A pin pressing apparatus, comprising:

a bearing bushing mount;

a push pin, the bearing bushing mount and the push pin being combined into a single unit; and

an actuator for driving the bearing bushing mount and/or the push pin,

the pin pushing rod comprises a first pressing plate, a plurality of first springs and a plurality of pin pressing shafts.

2. The pin pressing apparatus of claim 1, wherein the actuator is an electric actuator.

3. The compression pin apparatus of claim 1, wherein the plurality of first springs are coupled to the first compression plate via a plurality of first fasteners and each of the plurality of first springs are coupled to one of the plurality of compression pins, wherein contraction and expansion of the plurality of first springs translates the plurality of compression pins along a longitudinal axis.

4. The compression pin apparatus of claim 3, wherein each of the plurality of first springs and the plurality of compression pins has portions that translate along the longitudinal axis through a linear bearing, a baffle, and a second compression plate.

5. The pin pressing apparatus of claim 4, wherein each of the plurality of pin pressing shafts has a head portion loaded with pins, each head portion pressing a respective pin into a bearing bushing.

6. The pin pressing apparatus of claim 5, wherein the plurality of first springs are expanded or contracted via the actuator to adjust the plurality of pin pressing shafts or press a single or a plurality of pins.

7. The compression pin apparatus of claim 1, wherein the first compression plate is adjustable along a longitudinal axis via the plurality of first springs.

8. The compression pin apparatus of claim 1, wherein the bearing bushing mount comprises a plurality of guide shafts, a plurality of second springs, a plurality of guide shoes, and a second compression plate, the plurality of guide shafts coupled to the second compression plate, wherein the plurality of guide shafts are coupled to the plurality of guide shoes via the plurality of second springs.

9. The compression pin apparatus of claim 8, wherein the plurality of guide shafts are each coupled to the second compression plate via a plurality of third fasteners, and wherein the plurality of second springs are each coupled to a respective guide shoe via a plurality of fourth fasteners.

10. The compression pin apparatus of claim 8, wherein contraction and expansion of the plurality of second springs translates the plurality of guide seats along a longitudinal axis.

11. The compression pin apparatus of claim 10, wherein each of the plurality of guide shoes is coupled to a bushing bearing block.

12. The compression pin apparatus of claim 11, wherein the plurality of guide shoes and the bushing bearing block adjust position and translate a bearing bushing into a housing.

13. The compression pin apparatus of claim 8, wherein the second compression plate abuts against a housing or surface during operation of the bearing bushing mount.