DE202007011248U1 - Ball joint puller - Google Patents

Abstract

The separator (1) has a support lever (8) with a fork section that includes a fork-shaped retainer and a supporting section. A press lever (9) has a pressing section and a transition section , and an actuator (17) is integrated between a transition section of the support lever and the transition section of the press lever. A pressure unit is indirectly coupled with threaded holes (18, 19) of the support lever or the press lever by an inserting pivot (20), where the pressure unit has a spring-loaded locking body (21).

Description

The The invention relates to a ball joint puller for releasing Ball joint connections of axle and steering systems, such as steering levers, Track braces, stabilizers etc ..

Transfer ball joints and take powers from several directions. In vehicle construction, for example in the area of the steering or the tie rod and the articulated Connection of a wishbone of the chassis with a steering knuckle or a spring shock absorber leg used. The ball joints have for this purpose a ball joint pin on, i. a bolt having an axial end formed Bullet. Usually the pin is conical and in a correspondingly conical Stock picking set. For fixed installation of the ball joint pin retracted by means of a fastening nut in the bearing receptacle. For removing or expressing such ball joint pin or ball joints are the present referred to as ball joint pullers Devices used.

Such a device counts, for example by the DE 298 06 883 U1 to the state of the art. The device comprises a support lever and a pressing lever, which are held by an adjusting element at a distance adjustable from each other. Further, a pressure unit in the form of a mechanical spindle is provided by means of the pressing lever and support lever are mutually pivotable. At one end of the support lever and pressing lever, the spindle engages. In the middle of the actuator is provided. At the other end of the support lever, a fork-shaped receptacle is provided, while the pressing lever is provided with a pressing portion.

To the Pulling off a ball joint connection will be the ball joint puller preset by means of the control element in height and to the Ball joint connection attached so that the support lever with its fork-shaped receptacle between the ball joint and the bearing receptacle of the ball joint pin comes to the plant. After adjusting the lever and support lever the spindle is actuated. This leads to a pivoting movement of the pressing lever, the presses with its press section on the top of the ball joint pin, so that this pushed out of the bearing support and the ball joint connection can be deducted.

Known is also an embodiment a ball joint puller with the spindle optionally on the support lever or can be attached to the press lever. This is in both the support section of the support lever as well as in the operating section of the pressing lever provided a threaded bore in which the spindle can be screwed. Depending on the available space can swapped the spindle and either from the side of the support lever or be operated from the side of the pressing lever ago. This facilitates working, especially in confined spaces.

Of the Invention is based on the prior art based on the object a ball joint puller application or handling technology to improve.

The solution This object is according to the invention in a ball joint puller according to the features of claim 1.

After that It is provided that the printing unit via a plug with integrated, spring-loaded locking body at least indirectly with a threaded bore of the support lever or the pressing lever can be coupled. In this way, a quick coupling for the Definition of the printing unit or a belonging to the printing unit support body created, this being in the threaded hole of the support lever or the pressing lever can be mounted. Here, the plug-in pin in the threaded hole inserted without engaged with the thread of the threaded hole to get. The fixation of the spigot via the Blocking body. In this way is a quick exchange and depending on the embodiment The printing unit also a change of the mounting side possible. By the remodeling can be made available standing room to be better utilized. The conversion is fast and possible in a few steps.

advantageous Embodiments and developments of the basic concept of the invention are Subject of the dependent claims 2 to 12.

Of the Spigot passes through the threaded hole, the locking body in its locking position on a shoulder of the threaded hole to the plant arrives. As a result, a reliable positional fixation of the spigot or the associated Component of the pressure unit in the threaded hole possible.

In an advantageous embodiment, the pressure unit comprises a spindle rod and a support body, wherein the plug-in pin is part of the support body and the spindle rod is supported with its rod head on a support surface of the support body. The support surface is in particular concave. The support body has at its end of the spindle rod end opposite to the spigot on the head end. With the supreme Depending on the installation situation, the supporting body is located either on the adjusting lever or on the pressing lever at the head end.

to Facilitating the operation and reducing the friction between the spindle rod and the support surface frontally in the rod head a rolling body, such as a ball arranged. For this purpose, the rolling body freely rotatable in a bore in the end face of the rod end incorporated. The rod end can be detachably connected to the spindle rod be coupled, so that a simple exchange is possible.

The Threaded hole, in particular the threaded hole in the support lever, can be solvable in one in the support lever be provided fixable adapter insert. This allows the Use of different pressure units or in the diameter of different sized pressure units, like mechanical spindles or grease hydraulic spindles as well as the use of Hydraulic cylinders as a force-generating component of the printing unit. For mounting the adapter insert in the support lever, this has an external thread, with which the adapter insert into a corresponding threaded hole in the support lever is fixed.

As mentioned, the printing unit may comprise a hydraulic cylinder. In this Case, the plug is attached to the hydraulic cylinder. hereby the hydraulic cylinder can easily and quickly optionally in the Threaded hole in the support lever or in the press lever.

Of the Ball joint puller according to the invention becomes additional in terms of application improved by the configuration of the actuating element. The actuator has a rod body with a threaded portion, which in a threaded hole in the support lever guided is. At its press lever end, the rod body has a thickened Pendulum head, which formed in a at a breakthrough in the press lever Dome gets to the plant. Coaxial with the rod body is a helical compression spring between the support lever and the pressing lever arranged. Preferably, the helical compression spring is supported by a Spring plate on the pressure lever off. By adjusting the actuator by means of the rod body becomes the distance between the support lever and the press lever preset. Subsequently, the printing unit actuated, so that the pressing portion of the pressing lever and the fork portion of the support lever to move towards each other and expressing the ball joint pin is effected from the respective location recording. The pendulum head on Press lever-side end of the rod body allows this a limited spatial Movement between press lever and support lever, also across the actual Pivoting movement between the two components. This measure also facilitates the handling and dismantling process when removing a ball joint, especially if the attachment of the ball joint puller not in alignment possible is.

Around the limited spatial To allow pivoting movement of the pendulum head in the dome in particular provided that the pendulum head spherical segment-shaped outer surface segments and the dome according to the configuration of the outer surface segments adapted, spherical section-shaped Inner surface segments having.

The Invention is described below with reference to the drawings embodiments described in more detail. Show it:

1 in perspective representation, a first embodiment of a ball joint puller;

2 the ball joint puller according to the 1 in the side view;

3 the representation of 2 in the plan view;

4 the ball joint puller in a first sectional view;

5 the ball joint puller in a second sectional view;

6 in a perspective view of the ball joint puller according to the representation of 1 , but with changed handling side;

7 the ball joint puller according to the 6 in the side view;

8th the ball joint puller according to the 7 in a vertical sectional view;

9 in perspective representation, a second embodiment of a ball joint puller according to the invention;

10 the ball joint puller according to the 9 in the side view;

11 the representation of 10 in a vertical sectional view;

12 in perspective representation, a third embodiment of a ball joint puller according to the invention;

13 the ball joint puller according to the 12 in the plan view;

14 the ball joint puller according to the 12 in the side view;

15 the representation of 14 in a vertical sectional view;

16 a usable in a ball joint puller invention pressure unit in the form of a hydraulic cylinder in the side view and

17 a second embodiment of a printing unit in the form of a hydraulic cylinder.

each other corresponding components or component components carry in all figures the same reference numerals.

Based on 1 to 5 respectively. 6 to 8th is a first embodiment of a ball joint puller 1 explained. A second embodiment of a ball joint puller 2 is in the 9 to 11 shown. The description of a third embodiment of a ball joint puller 3 takes place on the basis of 12 to 17 , The basic structure of the ball joint pullers 1 - 3 is equal to. The ball joint pullers 1 - 3 differ essentially by the nature of their operation by means of a printing unit 4 , At the ball joint puller 1 comes a printing unit 4 with a mechanical spindle 5 for use. To operate the ball joint puller 2 is as a printing unit 4 a grease hydraulic spindle 6 intended. At the ball joint puller 3 is the printing unit 4 a hydraulic cylinder 7 ,

Every ball joint puller 1 - 3 includes a support lever 8th and a press lever 9 , The support lever 8th has a fork section 10 with a fork-shaped receptacle 11 , a transitional section 12 and a support section 13 on. The lever 9 has a pressing section 14 , a transitional section 15 and an operation section 16 , Between the transition section 12 of the support lever 8th and the transition section 15 of the pressing lever 9 is an actuator 17 incorporated. By means of the control element 17 is the distance A between the support lever 8th and the lever 9 adjustable. The printing unit 4 is between the support section 13 of the support lever 8th and the operation section 16 of the pressing lever 9 eingliederbar. When operating the printing unit 4 become the support lever 8th and the lever 9 pivoted against each other, as indicated by the arrow P in the 5 is clarified.

Both in the support section 13 of the support lever 8th as well as in the operating section 16 of the pressing lever 9 each is a threaded hole 18 respectively. 19 available. To the printing unit 4 heard a pin 20 with integrated, spring-loaded locking body 21 , About the spigot 20 is the printing unit 4 to the threaded hole 18 of the support lever 8th or the threaded hole 19 of the pressing lever 9 coupled. The spigot 20 gets into the tapped hole 18 respectively. 19 plugged in without the thread 22 . 23 the threaded hole 18 respectively. 19 to get in touch. In this way, a quick coupling for the determination of the spigot 20 created, this depending on the embodiment of the printing unit 4 optionally in the threaded hole 18 of the support lever 8th or the threaded hole 19 of the pressing lever 9 can be mounted. The fixation of the spigot 20 takes place via the blocking body 21 , The locking body 21 is by a ball 24 formed, which incorporating a coil spring 25 in a transverse bore 26 of the spigot 20 is arranged. The spigot 20 passes through the respective threaded hole 18 respectively. 19 , wherein the locking body 21 through the coil spring 25 is pressed into the blocking position and this at a shoulder 27 the threaded hole 18 respectively. 19 comes to the plant.

At the ball joint puller 1 in the embodiment according to the 1 to 5 respectively. 6 to 8th is the printing unit 4 , as mentioned, through the mechanical spindle 5 educated. This includes a spindle rod 28 with external thread 29 and a vertical cross-section T-shaped support body 30 , The spigot 20 is part of the support body 30 , The spindle rod 28 indicates at one end 31 a rod end 32 and at the other end 33 an actuating polygon 34 on. With her rod head 32 supports the spindle rod 28 when actuated on a concave support surface 35 of the support body 30 from. Front side in the rod end 32 is a ball 36 in a recess 37 arranged. As a result, the spindle rod is supported 28 with her rod head 32 rolling on the support surface when actuated 35 from.

When using the ball joint puller 1 like in the 1 to 5 is shown, is the support body 30 with his pin 20 into the threaded hole 19 of the pressing lever 9 plugged in and there by means of the lock body 21 locked. The spindle rod 28 is in the tapped hole 18 in the support lever 8th guided. The threaded hole 18 itself is in a detachable in the support lever 8th fixable adapter insert 38 intended. The adapter insert 38 in turn has an external thread 39 on and over the external thread 39 in a larger diameter, with an internal thread 40 provided threaded hole 41 in the support lever 8th established. For easy assembly and disassembly of the adapter insert 38 this one has a nut head 42 with key attachment surfaces 43 on. For actuating the printing unit 4 or the spindle 5 becomes the spindle rod 28 by means of a to the actuating polygon 34 turned tool set and in this way the distance A between the support section 13 of the support lever 8th and the operation section 16 of the pressing lever 9 changed. As a result, the pivoting movement between the pressing lever 9 and support levers 8th causes.

When using the ball joint puller 1 like in the 6 to 8th shown is the operation of the spindle 5 from the other side, ie the components of the printing unit 4 are exchanged. The spindle rod 28 is in the tapped hole 19 of the pressing lever 9 screwed, where against the support body 30 with his pin 20 into the threaded hole 18 in the support lever 8th is plugged in.

At the ball joint puller 2 as based on the 9 to 11 described, includes the printing unit 4 a grease hydraulic spindle 6 , This has an outer tube 44 and one in the outer tube 44 guided spindle rod 45 on. The outer tube 44 is with an external thread 46 Mistake. For mounting the grease hydraulic spindle 6 this will be with the outer tube 44 into the threaded hole 41 in the support lever 8th screwed. One possibly before in the support lever 8th screwed adapter insert 38 has been removed. The diameter of the threaded hole 41 is adapted to the diameter of the outer tube 44 , The spindle rod 45 indicates at one end 47 an actuating polygon 48 and at the other end 49 a rod end 50 on. This is solvable with the end 49 connected, for example screwed. In the bar head 50 is a sphere, as previously described 36 stored. The supporting body 30 is with his spigot 20 into the threaded hole 19 in the press lever 9 plugged in.

At the ball joint puller 3 as based on the 12 to 15 illustrated, includes the printing unit 4 a hydraulic cylinder 7 , which with a spindle rod 51 interacts. On the bottom 52 of the hydraulic cylinder 7 is a plug-in pin 53 affiliated. In these, as described above, a spring-loaded ball 24 as a blocking body 21 integrated. By means of the spigot 53 can the hydraulic cylinder 7 in the threaded hole 41 to support lever 8th be determined. The power transmission between the support lever 8th and press lever 9 done by the hydraulic cylinder 7 over the spindle rod 51 , which into the threaded hole 19 in the press lever 9 is screwed.

The Indian 17 illustrated hydraulic cylinder 7 has a smaller diameter spigot 54 on. This embodiment is suitable either in the threaded hole 18 in the support lever 8th or in the adapter insert 38 or in the threaded hole 19 in the press lever 9 to be plugged.

The actuator 17 has a rod body 55 with a threaded section 56 on which in a threaded hole 57 in the support lever 8th is guided. At its press lever end 58 owns the rod body 55 a thickened pendulum head 59 , The pendulum head 59 comes in a dome 60 in the press lever 9 to the plant. The dome 60 is on the outside 61 of the pressing lever 9 on a breakthrough 62 in the press lever 9 educated. Coaxial with the rod body 55 is a helical compression spring 63 between the support lever 8th and the lever 9 arranged. This is supported by a spring plate 64 on the pressure lever 9 from. By adjusting the control element 17 the distance A between the support lever 8th and the lever 9 preset. For this purpose, the rod body 55 displaced by a screwing in the threaded hole. The screwing movement for displacing the rod body 55 done by the pendulum head 59 out.

The pendulum head 59 has spherical segment-shaped outer surface segments 65 on. The dome 60 has according to the configuration of the outer surface segments 65 adapted spherical segment-shaped inner surface segments 66 , This is a limited spatial movement between the pressure lever 9 and support levers 8th also possible transverse to the actual pivoting movement.

The ball joint pullers 1 - 3 come to solve in the drawings, not shown ball joint connections to axle and steering systems, such as steering levers, tie rods or stabilizers, etc. are used. To remove a ball joint, the ball joint puller 1 - 3 by means of the actuating element 17 pre-set in height or in distance A and attached to the ball joint connection, so that the support lever 8th with its forked receptacle 11 between the ball joint and the bearing receptacle of the ball joint pin comes to rest. After adjusting the pressure lever 9 and support levers 8th becomes the printing unit 4 actuated. This results in a pivoting movement P between the pressing lever 9 and support levers 8th , where the pressing lever 9 with his pressing section 14 presses on the top of the ball joint pin. As a result, the ball joint pin is pushed out of the bearing receptacle and the ball joint connection can be removed.

1

Ball joint puller

2

Ball joint puller

3

Ball joint puller

4

printing unit

5

spindle

6

Fat hydraulic spindle

7

hydraulic cylinders

8th

support lever

9

press lever

10

fork portion

11

admission

12

Transition section

13

support section

14

Press section

15

Transition section

16

actuating section

17

actuator

18

Threaded hole in 13

19

Threaded hole in 16

20

plug-in pin

21

blocking body

22

thread

23

thread

24

Bullet

25

spiral spring

26

cross hole

27

shoulder

28

spindle rod

29

external thread

30

support body

31

End of 28

32

rod End

33

End of 28

34

Operation polygonal

35

support surface

36

Bullet

37

recess

38

adapter insert

39

external thread

40

inner thread

41

threaded hole

42

nut head

43

Wrench flats

44

Outer tube v. 6

45

spindle rod

46

external thread

47

End of v. 45

48

Operation polygonal

49

End of v. 45

50

rod End

51

spindle rod

52

Underside v. 7

53

plug-in pin

54

plug-in pin

55

rod body

56

threaded portion

57

threaded hole

58

End of v. 55

59

pendulum head

60

dome

61

Outside v. 9

62

breakthrough

63

Helical compression spring

64

spring plate

65

Outer surface segments

66

Inner surface segments

A

distance

P

pivotal movement

Claims (12)

Ball joint puller for releasing ball joint connections on axle and steering systems, which has a support lever ( 8th ) and a pressing lever ( 9 ), wherein the support lever ( 8th ) a fork section ( 10 ) with a fork-shaped receptacle ( 11 ), a transitional section ( 12 ) and a support section ( 13 ) and the pressing lever ( 9 ) a pressing section ( 14 ), a transitional section ( 15 ) and an actuating section ( 16 ) and between the transition section ( 12 ) of the support lever ( 8th ) and the transition section ( 15 ) of the pressing lever ( 9 ) an actuator ( 17 ), wherein the distance (A) between the support lever ( 8th ) and the pressing lever ( 9 ) via the actuator ( 17 ) is adjustable and between the support section ( 13 ) and the operating section ( 16 ) a printing unit ( 4 ) is engageable, when actuated support lever ( 8th ) and pressing lever ( 9 ) are pivotable against each other, characterized in that the pressure unit ( 4 ) via a plug ( 20 . 53 . 54 ) with integrated, spring-loaded locking body ( 21 ) at least indirectly with a threaded bore ( 18 . 19 . 41 ) of the support lever ( 8th ) or the pressing lever ( 9 ) can be coupled. Ball joint puller according to claim 1, characterized in that the spigot ( 20 . 53 . 54 ) the threaded hole ( 18 . 19 . 41 ) and the blocking body ( 21 ) in its locked position on a shoulder ( 27 ) of the threaded hole ( 18 . 19 . 41 ) arrives at the plant. Ball joint puller according to claim 1 or 2, characterized in that the pressure unit ( 4 ) a spindle rod ( 28 . 45 ) and a support body ( 30 ), wherein the spigot ( 20 ) Part of the supporting body ( 30 ) and the spindle rod ( 28 . 45 ) with its rod end ( 32 . 50 ) on a support surface ( 35 ) of the supporting body ( 30 ) is supported. Ball joint puller according to claim 3 , characterized in that frontally in the rod head ( 32 ) a ball ( 36 ) is arranged. Ball joint puller according to one of claims 3 or 4, characterized in that the rod end ( 50 ) detachable with the spindle rod ( 45 ) is coupled. Ball joint puller according to one of claims 3 to 5, characterized in that the support surface ( 35 ) is concave. Ball joint puller according to one of claims 1 to 6, characterized in that the threaded bore ( 18 ) in a detachable in the support lever ( 8th ) fixable adapter insert ( 38 ) is provided. Ball joint puller according to claim 7, characterized in that the adapter insert ( 38 ) an external thread ( 39 ) and via the external thread ( 39 ) in a threaded hole ( 41 ) in the support lever ( 8th ). Ball joint puller according to claim 1, characterized in that the pressure unit ( 4 ) a hydraulic cylinder ( 7 ), wherein the spigot ( 53 . 54 ) to the hydraulic cylinder ( 7 ) is affiliated. Ball joint puller according to one of claims 1 to 9, characterized in that the actuating element ( 17 ) a rod body ( 55 ) with a threaded portion ( 56 ), which in a threaded bore ( 57 ) in the support lever ( 8th ) is guided and the rod body ( 55 ) at its press lever end ( 58 ) a thickened pendulum head ( 59 ), which in one at a breakthrough ( 62 ) in the press lever ( 9 ) trained calotte ( 60 ) comes to the plant, and wherein a helical compression spring ( 63 ) coaxial with the rod body ( 55 ) between the support lever ( 8th ) and the pressing lever ( 9 ) is arranged. Ball joint puller according to claim 10, characterized in that the helical compression spring ( 63 ) via a spring plate ( 64 ) on the pressure lever ( 9 ) is supported. Ball joint puller according to claim 10 or 11, characterized in that the pendulum head ( 59 ) spherical segment-shaped outer surface segments ( 65 ) and the calotte ( 60 ) to the configuration of the outer surface segments ( 65 ) adapted spherical segment-shaped inner surface segments ( 66 ) having.