KR100755002B1 - Detaching apparatus for cars - Google Patents

Abstract

An apparatus for detaching a knuckle, a bearing, and a wheel hub for a vehicle is provided to detach the bearing and the wheel hub in accuracy, and to increase stability for a worker by mounting a fixing unit having first and second supporters and a fixing plate. An apparatus for detaching a knuckle(10), a bearing(20), and a wheel hub(30) for a vehicle comprises a base plate(100), a hydraulic jack(200), a fixing unit(300), a hub detaching jig(400), a bearing jig, and a spacer. The base plate is installed with a horizontal fixing arm(110) to form a detaching space(130), and support bars(120) supporting the horizontal fixing arm. The hydraulic jack has an operating rod(210) longitudinally reciprocating to a lower surface direction of the horizontal fixing arm. The fixing unit fixes the knuckle to detach the wheel hub by the hydraulic jack. The hub detaching jig detaches the wheel hub by pressing an end of a boss(31) of the wheel hub. The fixing unit contains first and second supporters(310,320) each supporting first and second knuckle arms(11,12), and a fixing plate(340) having a stay bar(330) to form a space(350) in which the wheel hub is detached from the knuckle.

Description

Knuckle, bearing and wheel hub removal device for automobiles {DETACHING APPARATUS FOR CARS}

1 is a perspective view according to an embodiment of the present invention.

2 is a perspective view of a fixing member according to an embodiment of the present invention.

Figure 3a, 3b is an operation of removing the wheel hub mounted to the knuckle according to an embodiment of the present invention.

Figures 4a, 4b is an operation of removing the bearing mounted on the knuckle according to the embodiment of the present invention.

Figures 5a, 5b is an operation diagram for mounting the bearing in the knuckle according to the embodiment of the present invention.

Figure 6a, 6b is an operation of mounting the wheel hub to the knuckle according to an embodiment of the present invention.

7a, 7b is an operational view showing another embodiment of the fixing means according to an embodiment of the present invention.

8a, 8b, 8c is a perspective view and an operation view showing a bearing removing member according to an embodiment of the present invention.

* Description of the Related Art *

10: knuckle 11 ~ 14: first knuckle arm to fourth knuckle arm

15: shaft hole 20: bearing

30: wheel hub 31: boss

100: base plate 110: horizontal fixed arm

200: hydraulic jack 210: operating rod

310, 320: first supporter, second supporter

312, 322: 1st bolt, 2nd bolt

400: hub removal jig 500: bearing jig

600: spacer 700: hub mounting jig

800: bearing removal member 810: fixture

820: Bearing fixing bolt 830: Bearing removal bracket

The present invention relates to a vehicle knuckle, a bearing and a wheel hub detachment device, and more particularly, to remove or install various types of knuckles, bearings and wheel hubs in a simple, quick and accurate manner, improving work efficiency and reducing labor costs and The safety of the operator can be expected, and consists of a variety of jig and simple parts to provide a knuckle, bearing and wheel hub detachment device that can provide a cheap detachment device.

As is well known, the drive shaft is provided with a knuckle bearing for smooth rotation, which is a consumable that needs to be replaced after a certain period of time depending on the mileage of the vehicle.

In order to replace the knuckle bearings like this, the knuckle and wheel hub must be separated first and then the knuckle bearings are removed. In the conventional removal method, the knuckle bearing is placed from the knuckle while the jig of a suitable size is placed on the bearing's outer race. Removed.

However, the above conventional stripping method has the following problems.

First, knuckle arms with irregular shapes are stretched in all directions, so it is inconvenient to remove the bearings while holding the knuckle and hitting it with a hammer, which delays the work time, and the worker's hand during work due to irregular knuckle arms. There was a problem of injury due to the hammer.

Secondly, one of the workers grabbed the knuckle, the other grabbed the jig and hit it with a hammer, thus at least two people had to be composed of a pair, causing labor costs.

Third, while hitting the jig with a hammer, the jig shocks the boss of the knuckle, so that the bore of the boss is damaged or expanded, and there is a problem that the bearing to be replaced is not firmly mounted by the interference fit.

An object of the present invention is to solve the conventional problems as described above, by removing or installing various types of knuckles, bearings and wheel hubs easily, quickly and precisely, to improve work efficiency and reduce labor costs and workers It is expected to provide the stability of the knuckle, bearing and wheel hub desorption device that can be equipped with a variety of jig and simple components to provide a cheap desorption device.

In order to achieve the above object, the present invention, in the detachable device for detaching the bearing mounted to the shaft hole of the knuckle and the wheel hub provided with a boss to be coupled to the bearing, the horizontal fixed arm and the horizontal fixed arm to form a detachable space A base plate provided with a support bar supporting the hydraulic plate, a hydraulic jack having an actuating rod seated on the base plate and moving up and down in the direction of the bottom of the horizontal fixing arm, and fixing means for fixing the knuckle to remove the wheel hub by the hydraulic jack; Hub dismounting jig to remove the wheel hub by pressing the boss end of the wheel hub according to the lifting of the hydraulic jack operating rod, bearing jig to remove while pressing the bearing of the knuckle according to the lifting of the hydraulic jack operating rod, is removed to the bearing jig A spacer is interposed between the knuckle and the horizontal fixed arm to form a removal space for the bearing. It is.

The fixing means may include: a first bar and a second supporter respectively supporting the first and second knuckle arms formed on the knuckle; and a stay bar to form a space where the wheel hub is removed from the knuckle while supporting the first and second supporters. It is implemented with a fixed plate provided.

Here, the first supporter is drilled with at least one mounting hole in which the first fixing bolt is mounted to fix the connection hole formed in the first knuckle arm, and a nut is screwed into the first fixing bolt mounted in the mounting hole. .

And the second supporter is formed with a tab hole so that the second fixing bolt for fixing the joint hole formed in the second knuckle arm is screwed.

Optionally, the fixing means is provided in the support bar to intercept the lifting of the first stopper provided in the support arm and the fourth knuckle arm formed in the knuckle, and the fixing hole is drilled to fix the third knuckle arm formed in the knuckle. It can be implemented as a second stopper.

On the other hand, it is preferable to further include a hub mounting jig for supporting one end of the bearing in accordance with the lifting and lowering of the hydraulic jack operation rod to fit the boss of the wheel hub to the inner diameter of the bearing mounted on the knuckle.

In addition, the hub removing fixture is integrally formed with a flow preventing protrusion to prevent flow while being inserted into the inner diameter of the boss end of the wheel hub.

In addition, the spacer is connected to both sides of the horizontal support bar so that the horizontal support bar is supported on the horizontal fixed arm, the removal space to remove the bearing is implemented as a vertical bar seated on the top of the knuckle.

Optionally, the bearing jig presses one end of the bearing in accordance with the elevation of the hydraulic jack actuating rod to mount the bearing into the shaft hole of the knuckle from which the wheel hub is removed.

On the other hand, the removal of the hub further comprises a bearing removal member for removing the inner race of the bearing fixed to the boss outer diameter of the wheel hub while being removed by the hub, the bearing removal member, the insertion hole and the boss of the wheel hub is inserted A nut is provided to communicate with the insertion hole orthogonal to the insertion hole is fixed to the horizontal fixed arm, the screw is fixed to the nut hole of the fixture fixed bearing bolt fixing the inner race of the bearing fixed to the boss outer diameter of the wheel hub, the hydraulic jack According to the lifting of the working rod is implemented as a bearing removal fixture for pressing the boss end of the wheel hub to remove the wheel hub.

Hereinafter, a preferred embodiment of the present invention according to the accompanying drawings in detail as follows.

First, Figure 1 attached is a perspective view according to an embodiment of the present invention, Figure 2 is a perspective view of a fixing member according to an embodiment of the present invention, Figures 3a and 3b is a wheel hub mounted to the knuckle according to an embodiment of the present invention Figures 4a and 4b is an operation of removing the bearing mounted on the knuckle according to an embodiment of the present invention, Figures 5a and 5b is an operation of mounting a bearing on the knuckle according to an embodiment of the present invention, 6a and 6b show the operation of mounting the wheel hub to the knuckle according to the embodiment of the present invention.

As shown in the accompanying drawings, the present invention is a hydraulic jack having a base plate 100 is provided with a horizontal fixed arm 110, and an operating rod 210 reciprocating up and down with the horizontal fixed arm 110 ( 200, the fixing means 300 for fixing the knuckle 10 to remove the wheel hub 30, and the wheel hub 30 and the bearing 20 from the knuckle 10 fixed to the fixing member 300. And a spacer 600 for forming a stripping space 610 from which the hub 20 is removed, the bearing jig 500, and the bearing 20 are removed.

Support bars 120 are vertically installed on both upper sides of the base plate 100, and horizontal fixing arms 110 are fixedly connected to both ends of the support bar 120 so as to have a detachable space on an upper portion of the base plate 100. 130 is formed.

The hydraulic jack 200 is mounted on the base plate 100 and pressurized to remove the bearing 20 and the wheel hub 30 from the knuckle 10 by the vertical reciprocating motion of the operation rod 210. The rectangular support plate 220 is fixed to the upper end of the operating rod 210 to maintain a horizontal balance of the knuckle 10 and the wheel hub 30 to be detached and stable.

Fixing means 300 is fixed to the support plate 100 of the hydraulic jack 200 to fix the knuckle 10 to remove the wheel hub 30, this fixing means 300 is the first of the knuckle 10 The first and second supporters 310 and 320 supporting the second knuckle arms 11 and 12, respectively, and the stay bar 330 to support the first and second supporters 310 and 320, respectively. It includes a fixed plate 340 is provided.

The first supporter 310 supports the first knuckle arm 11 connected to the lower portion of the strut damper (not shown) of the vehicle, and the mounting hole 311 is drilled in the first supporter 310 to form the first supporter 310. A first fixing bolt 312 for fixing the connection hole 11a of the knuckle arm 11 is mounted, and a nut 313 is screwed to the first fixing bolt 312 mounted with the mounting hole 311. 1 Knuckle arm 11 is fixed firmly. Here, a plurality of mounting holes 311 are drilled in the first supporter 310 to fix the connection holes 11a of the first knuckle arm 11 having different positions according to the vehicle type.

The second supporter 320 supports the second knuckle arm 12 connected to the lower arm ball joint of the vehicle. The second supporter 320 has a tab hole 321 formed therein, such that the second knuckle arm 12 is supported. The second fixing bolt 322 for fixing the joint hole (12a) of the screw is coupled, thereby firmly fixing the second knuckle arm (12).

Both sides of the fixing plate 340 are provided with a stay bar 330 vertically to support the first knuckle arm 11 and the second knuckle arm 12. The stay bar 330 is a wheel hub in the knuckle 10; 30 is made of an appropriate length to remove.

Therefore, the knuckle 10 in which the first and second knuckle arms 11 and 12 are fixed by the first and second supporters 310 and 320 is prevented from flowing, so that the support plate 220 of the hydraulic jack 200 is prevented. Easy to remove the wheel hub 30 in the state seated on the).

Hub removal bracket 400 is seated on the end of the boss 31 of the wheel hub 30 is supported by the horizontal fixed arm 110 in accordance with the lifting of the hydraulic jack 200 operating rod 210 to pressurize the wheel hub 30 By removing the hub, the hub removal fixture 400 is formed in a cylindrical shape as shown in FIGS. 3a and 3b and penetrates through the shaft hole 15 of the knuckle 10 to the end of the boss 31 of the wheel hub 30. It is seated, the outer diameter of the hub removal fixture 400 is made smaller than the inner diameter of the bearing 20 and larger than the inner diameter of the boss 31, to press the end of the boss 31.

In addition, the hub removal fixture 400 is integrally formed with a flow preventing protrusion 410 is inserted into the inner diameter of the boss 31 end of the wheel hub 30 to prevent flow.

The bearing jig 500 is to press and remove the bearing 20 mounted in the shaft hole 15 of the knuckle 10 in accordance with the lifting and lowering of the hydraulic jack 200, the operating rod 210, such a bearing jig 500 is a bearing It is seated on the support plate 220 of the hydraulic jack 200 to press the lower end of the (20).

The spacer 600 forms a stripping space 610 of the bearing 20 removed by the bearing jig 500, and the spacer 600 is a stripping space in which the bearing 20 is removed as shown in FIG. A vertical bar 620 and a horizontal support bar 630 are formed so as to be formed on the upper portion of the knuckle 10 so as to form 610.

Therefore, as the knuckle 10 and the bearing tool 500 and the spacer 600 are elevated together according to the operation of the hydraulic jack 200 operating rod 210, the spacer 600 is supported by the horizontal fixed arm 110. The bearing jig 500 presses the bearing 20 by the operation rod 210 that is continuously lifted up and detaches it into the stripping space 610 of the spacer 600.

3A to 4B, the overall operation relationship of removing the bearing 20 and the wheel hub 30 from the knuckle 10 will be described in detail as follows.

First, the first and second knuckle arms 11 and 12 of the knuckle 10 are seated on the first and second supporters 310 and 320 of the fixing means 300, respectively. After fixing the knuckle 10 by fixing the first and second knuckle arms 11 and 12 with the fixing bolts 312 and 322, the hydraulic plate 200 is fixed to the fixing plate 340 on which the knuckle 10 is fixed. It is seated on the support plate 220.

Subsequently, when the actuating rod 210 of the hydraulic jack 200 is operated in a state where the hub disengagement fixture 400 is seated at the end of the boss 31 of the wheel hub 30 as shown in FIG. 3A, the operation as shown in FIG. 3B is performed. As the rod 210 moves up and down, the upper end of the hub disengagement fixture 400 is supported by the horizontal fixed arm 110 and presses the boss 31 of the wheel hub 30 to lift the wheel hub 30 from the knuckle 10. Remove it.

As such, the knuckle 10 from which the wheel hub 30 is removed is placed on the bearing jig 500 seated on the support plate 220 of the hydraulic jack 200 as shown in FIG. 4A, and the spacer is disposed on the upper portion of the knuckle 10. When operating the operating rod 210 of the hydraulic jack 200 in a state in which the 600 is seated, the spacer 600 is supported on the horizontal fixed arm 110 in accordance with the lifting and lowering of the operating rod 210 as shown in Figure 4b. The bearing fixture 500 presses the bearing 20 to remove the bearing 20 into the stripping space 610 of the spacer 600.

On the other hand, Figures 5a to 6b are attached to show the overall operating relationship for mounting the bearing 20 and the wheel hub 30 to the knuckle 10, according to this figure knuckle 10 and the bearing 20 and wheel hub Referring to the mounting relationship of the (30) in detail as follows.

First, in order to mount the bearing 20 into the shaft hole 15 of the knuckle 10, the bearing 20 is placed on the end of the shaft hole 15 of the knuckle 10, as shown in FIG. 500).

Subsequently, when the hydraulic jack 200 is operated, the operation rod 210 is lifted and the upper end of the bearing jig 500 is supported by the horizontal fixed arm 110 as shown in FIG. 5B, and the shaft 20 of the knuckle 10 is supported. It is attached by the interference fit which presses to 15.

As such, the knuckle 10 having the bearing 20 mounted thereon is fooled by the boss 31 of the wheel hub 30 seated on the support plate 220 of the hydraulic jack 200 as shown in FIG. The upper end of the hub mounting jig 700 is seated, and when operating the hydraulic jack 200, the operating rod 210 is elevated as shown in Figure 6b while the upper end of the hub mounting jig 700 to the horizontal fixed arm (110) It is supported, whereby the boss 31 of the wheel hub 30 is mounted by interference fit into the inner diameter of the bearing 20.

Here, the hub mounting jig 700 is formed in a hollow cylindrical shape, the inner diameter of the hub mounting jig 700 is made larger than the inner diameter of the bearing 20 of the wheel hub 30 is mounted as the inner diameter of the bearing 20 It does not interfere with the boss 31.

On the other hand, Figure 7a, 7b is shown showing another embodiment of the fixing means 300 according to an embodiment of the present invention, the fixing means for fixing the knuckle 10 is formed with various types of knuckle arm according to the vehicle model The operation diagram 300 is shown.

The fixing means 300, the first stopper 121 and the knuckle provided in the support arm 120 is drilled through the fixing hole (121a) so that the third knuckle arm (13) of the knuckle 10 is inserted And a second stopper 121 provided in the support bar 120 to fix the fourth knuckle arm 14 of (10).

Therefore, the first stopper 121 has a fixing pin 13a provided at the end of the third knuckle arm 13 is inserted into the fixing hole 121a to fix the third knuckle arm 13, and the second stopper ( 122 tightly secures the knuckle 10 when the wheel hub is removed as the fourth knuckle arm 14 is raised and lowered.

On the other hand, Figures 8a, 8b, 8c attached to show a perspective view and operation of the bearing stripping member according to an embodiment of the present invention, the bearing stripping member 800 is removed by the hub stripper 400, the wheel The inner race 21 of the bearing 20 fixed to the outer diameter of the boss 31 of the hub 30 is removed.

The bearing removing member 800 is provided with an insertion hole 811 into which the boss 31 of the wheel hub 30 is inserted, and a nut hole 812 communicating with the insertion hole 811 so as to be orthogonal to the horizontal fixing arm. Inner race 21 of bearing 20 fixed to 110, screwed to nut hole 812 of fixture 810 and fixed to outer diameter of boss 31 of wheel hub 30 Bearing fixing bolt 820 for fixing the bearing jack for removing the wheel hub 30 by pressing the boss 31 end of the wheel hub 30 in accordance with the lifting and lowering of the hydraulic jack 200 operation rod 210 ( 830).

Therefore, when the inner race 21 of the bearing 20 is fixed to the outer periphery of the boss 31 of the wheel hub 30 due to long use, the boss 31 of the wheel hub 30 with the bearing removing member 800 is fixed. It is possible to simply remove the inner race 21 fixed to the.

The foregoing descriptions are merely illustrative of one preferred embodiment, and the present invention is not limited to the above-described embodiments, and may be variously modified and implemented within the scope of the appended claims.

As described above, the present invention has the following effects.

First, the present invention not only accurately removes bearings and wheel hubs through various fixtures in a state where a plurality of knuckle arms having irregular shapes are simply fixed, but also omits work such as hitting with a hammer as in the prior art. In addition to providing stability to the operator, the worker alone can easily remove the knuckle, bearings and wheel hubs, there is an effect that can be expected to reduce labor costs.

Second, the present invention can be easily and quickly removable knuckle, bearing and wheel hub formed with a plurality of knuckle arms, thereby improving the work efficiency.

Third, the present invention can be easily removable bearing and wheel hub by firmly fixing the knuckles of various forms according to the vehicle model, it is composed of a variety of jig and simple parts has the effect of providing a cheap detachable device.

Fourth, the present invention can easily remove the inner race of the bearing fixed to the boss of the wheel hub to prevent damage to the boss, thereby reusing the wheel hub to reduce the replacement cost of the parts.

Claims (10)

In the detachable device for detaching the bearing 20 mounted in the shaft hole 15 of the knuckle 10 and the wheel hub 30 provided with the boss 31 to be coupled to the bearing 20, A base plate 100 having a horizontal fixed arm 110 and a support bar 120 supporting the horizontal fixed arm 110 to form a detachable space 130, and horizontally fixed by being seated on the base plate 100. Hydraulic jack 200 having an operating rod 210 reciprocating up and down in the direction of the bottom of the arm 110, a fixing means for fixing the knuckle 10 to remove the wheel hub 30 by the hydraulic jack 200 ( 300, the hub removal fixture 400 for removing the wheel hub 30 by pressing the boss 31 of the wheel hub 30 in accordance with the lifting and lowering of the hydraulic jack 200 and the operating rod 210, the hydraulic jack 200. The bearing jig 500 for removing while pressing the bearing 20 of the knuckle 10 in accordance with the lifting and lowering of the working rod 210, the removal space 610 of the bearing 20 to be removed to the bearing jig 500 Automotive knuckles and bares comprising a spacer 600 interposed between the knuckle 10 and the horizontal fixed arm 110 to form And a wheel hub removable devices. The method of claim 1, The fixing means 300 includes first and second supporters 310 and 320 that respectively support the first and second knuckle arms 11 and 12 formed on the knuckle 10, and the first and second agents. It characterized in that it comprises a fixing plate 340 is provided with a stay bar 330 to form a space 350 from which the wheel hub 30 is removed from the knuckle 10 while supporting the supporter 310, 320 Automotive knuckles, bearings and wheel hubs. The method of claim 2, The first supporter 310 is perforated with at least one or more mounting holes 311 in which the first fixing bolts 312 are mounted to fix the connection holes 11a formed in the first knuckle arm 11. Vehicle knuckle and bearing and wheel hub detachment device, characterized in that the nut (313) is screwed to the first fixing bolt (312) mounted to the ball (311). The method of claim 2 or 3, The second supporter 320 has a knuckle for an automobile, characterized in that the tab hole 321 is formed such that the second fixing bolt 322 for fixing the joint hole 12a formed in the second knuckle arm 12 is screwed together. Bearing and wheel hub removal device. The method of claim 1, The fixing means 300, the first stopper 121 is provided in the support arm 120 is bored by the fixing hole 121a so that the third knuckle arm 13 formed in the knuckle 10 is fixed, and Vehicle knuckle, bearing and wheel hub desorption device comprising a second stopper 122 provided on the support bar 120 to control the lifting of the fourth knuckle arm 14 formed in the knuckle 10 . The method of claim 1, One end of the bearing 20 in accordance with the lifting and lowering of the hydraulic rod 200 operating rod 210 to fit the boss 31 of the wheel hub 30 to the inner diameter of the bearing 20 mounted on the knuckle 10. Vehicle knuckle and bearing and wheel hub detachment device, characterized in that it further comprises a supporting hub mounting jig 700. The method of claim 1, The hub removal bracket 400 is inserted into the inner diameter of the boss 31 end of the wheel hub 30, the flow preventing protrusion 410 is integrally formed to prevent flow, the vehicle knuckle and bearing and wheel hub detachable Device. The method of claim 1, The spacer 600 is connected to both sides of the horizontal support bar 630 such that a horizontal support bar 630 supported by the horizontal fixed arm 110 and a stripping space 610 from which the bearing 20 is removed are formed. Vehicle knuckle and bearing and wheel hub detachment device characterized in that it comprises a vertical bar (620) which is seated on top of the knuckle (10). The method of claim 1, The bearing jig 500 is a bearing 20 according to the lifting and lowering of the hydraulic jack 200 operating rod 210 to mount the bearing 20 to the shaft hole 15 of the knuckle 10 from which the wheel hub 30 is removed. Vehicle knuckle and bearing and wheel hub detachment device, characterized in that for pressing one end. The method of claim 1, Further comprising a bearing removal member 800 for removing the inner race 21 of the bearing 20 fixed to the outer diameter of the boss 31 of the wheel hub 30 while being removed by the hub removal fixture 400, The bearing removing member 800 is provided with an insertion hole 811 into which the boss 31 of the wheel hub 30 is inserted and a nut hole 812 communicating with the insertion hole 811 to be orthogonal to the horizontal fixing arm. Inner race 21 of bearing 20 fixed to 110, screwed to nut hole 812 of fixture 810 and fixed to outer diameter of boss 31 of wheel hub 30 Bearing fixing bolt 820 for fixing the bearing jack for removing the wheel hub 30 by pressing the boss 31 end of the wheel hub 30 in accordance with the lifting and lowering of the hydraulic jack 200 operation rod 210 ( 830, the vehicle knuckle and bearing and the wheel hub of the removable device comprising a.

Images