CN205290170U - A device for rear axle assembly bushing pipe location - Google Patents

Abstract

The utility model discloses a device for rear axle assembly bushing pipe location, the piston rod of first cylinder is connected with the lower extreme of guide pillar, at the top of guide pillar installation locating pin, is equipped with the second cylinder on the guide cylinder, the second cylinder is connected with the one end pressure arm, fixes the pressure head in the bottom surface of the pressure arm other end, be equipped with the joint between the piston rod of guide pillar and first cylinder, in the logical groove of " T " shape of the head boss card income guide pillar lower extreme of joint, the lower extreme of joint and the piston rod threaded connection of first cylinder. The utility model discloses think about ingenious, simple structure, compactness, easily assembly, small in size, with low costs, not only control the convenience, the operation is nimble, reliable, can realize the accuracy and the steadiness of bushing pipe location moreover, is favorable to bushing pipe welding installation, welding quality is secure, can satisfy the requirement of uniformity production.

Description

Device for hind axle assembly bushing pipe location

Technical field

This utility model belongs to technical field of tooling clamps, specifically, particularly to a kind of device for hind axle assembly bushing pipe location.

Background technology

Automobile hind axle assembly is made up of crossbeam, trailing arm, spring base, bushing pipe, parking brake cable support, oil tube bracket and amortisseur mounting seat etc., it is symmetrically welded trailing arm at the two ends of crossbeam, each trailing arm welds bushing pipe, parking brake cable support, amortisseur mounting seat and oil tube bracket successively. When welding, it is necessary to crossbeam, trailing arm, spring base, bushing pipe etc. are positioned respectively by operation break-down by multiple frocks. Existing bushing pipe positioning tool structure is complicated, takes up room big, and cost is high, para-position difficulty, and the steadiness positioned is poor so that welding quality is difficult to ensure that, does not reach the requirement of uniform production.

Utility model content

Technical problem to be solved in the utility model is in that the device providing a kind of simple in construction, positioning for hind axle assembly bushing pipe reliably.

The technical solution of the utility model is as follows: a kind of device for hind axle assembly bushing pipe location, it is characterized in that: fixed guide cylinder on the cylinder body of the first cylinder, the piston rod of the first cylinder stretches in guide cylinder straight up, and be connected with the lower end of guide pillar, alignment pin is installed on the top of described guide pillar, alignment pin can stretch out outside guide cylinder, is provided with locating ring in the periphery of described alignment pin, and this locating ring is installed on the end face of guide cylinder; Equipped with the second cylinder on described guide cylinder, the axial line of the second cylinder and the axial line of the first cylinder are parallel, and the piston rod of described second cylinder stretches out straight up, and is connected with one end of pressure arm, the fixing pressure head in the bottom surface of the pressure arm other end, this pressure head is positioned at the surface of alignment pin;

"T"-shaped groove is offered in the lower end of described guide pillar, and it is provided with joint between the piston rod of guide pillar and the first cylinder, described joint is bolt arrangement, the head boss of this joint snaps in the "T"-shaped groove of guide pillar lower end, both snap-fit engagement, the lower end of joint is connected with the piston rod thread of the first cylinder, and by nut check, nut is close to the end face of the first cylinder piston rod.

Adopt above technical scheme, when the automobile hind axle assembly bushing pipe of location, first bushing pipe is placed on locating ring, then the piston rod driving the first cylinder protrudes upward, guide pillar is made to move upward together with alignment pin, alignment pin stretches in bushing pipe and positions, make bushing pipe planar will not produce to rock, then the piston rod action of the second cylinder is driven, the piston rod making the second cylinder drives pressure arm to move downward, until pressure head compressing is at the end face of bushing pipe, pressure head and locating ring match, the clamping to bushing pipe can be realized compress, in conjunction with the alignment pin in bushing pipe, may insure that the steadiness that bushing pipe positions, welding quality between such bushing pipe and trailing arm is secure, the requirement of uniform production can be met.

This utility model adopts double; two cylinders providing power, and parts are few, and overall structure is simple, compact, it is easy to assembling, compact, takes up room little, and cost is low, and manipulates conveniently.

Owing to guide pillar can only be moved at above-below direction by the restriction of guide cylinder, therefore joint is adopted to be attached between the piston rod of guide pillar and the first cylinder, make upper end and the guide pillar snap-fit engagement of joint, the piston rod of the lower end of joint and the first cylinder passes through screw threads for fastening, this greatly simplifies the mounting structure between guide pillar and the first cylinder piston rod, disassembling operations is very convenient, quick.

In order to reduce abrasion as much as possible, increasing the service life, be embedded with wear-resisting bushing pipe in the inside of described guide cylinder, described wear-resisting bushing pipe and guide pillar are slidably matched.

In order to simplify structure, it is simple to processing and fabricating and assembling, described pressure head is pane structure, and this pressure head is connected with pressure arm by row's bolt.

Beneficial effect: this utility model is skillfully constructed, simple in construction, compact, being easily assembled, compact, cost is low, not only manipulate conveniently, go slick, reliably, and be capable of accuracy and the steadiness of bushing pipe location, be conducive to bushing pipe welded and installed, welding quality is secure, can meet the requirement of uniform production.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the structural representation of guide pillar.

Fig. 4 is the structural representation of locating ring.

Detailed description of the invention

Below in conjunction with drawings and Examples, the utility model is described in further detail:

As shown in Figure 1 and Figure 2, arranging guide cylinder 2 on the cylinder body of the first cylinder 1, guide cylinder 2 is positioned at the top of the first cylinder 1 cylinder body, and the cylinder body of guide cylinder 2 and the first cylinder 1 is fixed together. Guide cylinder 2 is steel structure, and the profile of this guide cylinder 2 is square, and namely the outline of guide cylinder 2 cross section is square. The piston rod of the first cylinder 1 stretches in guide cylinder 2 straight up, is provided above guide pillar 3 at the first cylinder 1 piston rod, and guide pillar 3 is positioned at guide cylinder 2, and the wear-resisting bushing pipe 12 of guide pillar 3 and the internal setting-in of guide cylinder 2 is slidably matched.

As shown in Figure 2 and Figure 3, offer "T"-shaped groove 3a in the lower end of guide pillar 3, and be provided with joint 9 between guide pillar 3 and the piston rod of the first cylinder 1. Joint 9 is bolt arrangement, and the head boss of this joint 9 snaps in the "T"-shaped groove 3a of guide pillar 3 lower end, both snap-fit engagement. The lower end of joint 9 is stretched in the piston rod of the first cylinder 1, and joint 9 is connected with the piston rod thread of the first cylinder 1, nut 10 lock, and nut 10 is set on joint 9, and nut 10 is close to the end face of the first cylinder 1 piston rod.

As shown in Figure 1 and Figure 2, installing alignment pin 4 on the top of guide pillar 3, by conical surface transition between end face and all sides of alignment pin 4, the bottom of this alignment pin 4 is formed with short column 4a, short column 4a and embeds in the adaptive groove that guide pillar 3 upper end is offered.Up big and down small two-part stepped hole is offered at the center of alignment pin 4, this stepped hole wears countersunk head stay bolt, the lower end of countersunk head stay bolt is stretched in guide pillar 3, alignment pin 4 and guide pillar 3 is fixed together, and alignment pin 4 can protrude upward outside guide cylinder 2 under the drive of guide pillar 3.

As shown in Figure 1, Figure 2, Figure 4 shows, being provided with locating ring 5 in the periphery of alignment pin 4, the interior edge of this locating ring 5 is circular, the outline of locating ring 5 be four angles be rounded down square. Offering installing hole 5a at four angles place of locating ring 5, this installing hole 5a is up big and down small two-part stepped hole, wears sunk screw in each installing hole 5a, and locating ring 5 is fixed together by four sunk screws and guide cylinder 2. Being provided with projection 5b between circumference two adjacent installing hole 5a, projection 5b is circumferentially uniformly distributed, and the end face of the bottom of projection 5b and locating ring 5 is connected as a single entity.

As it is shown in figure 1, arrange the second cylinder 6 on the side of guide cylinder 2, the axial line of the second cylinder 6 and the axial line of the first cylinder 1 are parallel. Being provided with connecting plate 11 between guide cylinder 2 and the second cylinder 6, connecting plate 11, by steel plate punched molding, has the first plate body and second plate body at obtuse angle each other. First plate body of connecting plate 11 and a side laminating of guide cylinder 2, be bolted between the first plate body and guide cylinder 2. The location plane laminating arranged on second plate body of connecting plate 11 and the second cylinder 6 cylinder body, fixes also by bolt between the second plate body and the second cylinder 6. The piston rod of the second cylinder 6 stretches out straight up, and is connected with one end of pressure arm 7, and the fixing pressure head 8 in the bottom surface of pressure arm 7 other end, this pressure head 8 is positioned at the surface of alignment pin 4. Pressure head 8 is preferably pane structure, and this pressure head 8 is connected with pressure arm 7 by row's bolt.

Operation principle of the present utility model is as follows:

When the automobile hind axle assembly bushing pipe of location, first bushing pipe is placed on locating ring 5, bushing pipe is made to be supported by four projection 5b on locating ring 5, then the piston rod driving the first cylinder 1 protrudes upward, guide pillar 3 is made to move upward together with alignment pin 4, alignment pin 4 stretches in bushing pipe and positions, make bushing pipe planar will not produce to rock, then the piston rod action of the second cylinder 6 is driven, the piston rod making the second cylinder 6 drives pressure arm 7 to move downward, until pressure head 8 oppresses the end face at bushing pipe, pressure head 8 and locating ring 5 match, the clamping to bushing pipe can be realized compress, in conjunction with the alignment pin 4 in bushing pipe, may insure that accuracy and steadiness that bushing pipe positions.

Claims (3)

1. the device for hind axle assembly bushing pipe location, it is characterized in that: fixed guide cylinder (2) on the cylinder body of the first cylinder (1), the piston rod of the first cylinder (1) stretches in guide cylinder (2) straight up, and be connected with the lower end of guide pillar (3), alignment pin (4) is installed on the top of described guide pillar (3), alignment pin (4) can stretch out guide cylinder (2) outward, be provided with locating ring (5) in the periphery of described alignment pin (4), this locating ring (5) is installed on the end face of guide cylinder (2); Equipped with the second cylinder (6) on described guide cylinder (2), the axial line of the second cylinder (6) and the axial line of the first cylinder (1) are parallel, the piston rod of described second cylinder (6) stretches out straight up, and be connected with one end of pressure arm (7), the fixing pressure head (8) in the bottom surface of pressure arm (7) other end, this pressure head (8) is positioned at the surface of alignment pin (4);

"T"-shaped groove (3a) is offered in the lower end of described guide pillar (3), and between the piston rod of guide pillar (3) and the first cylinder (1), it is provided with joint (9), described joint (9) is bolt arrangement, the head boss of this joint (9) snaps in the "T"-shaped groove (3a) of guide pillar (3) lower end, both snap-fit engagement, the lower end of joint (9) is connected with the piston rod thread of the first cylinder (1), being locked by nut (10), nut (10) is close to the end face of the first cylinder (1) piston rod.

2. the device for hind axle assembly bushing pipe location according to claim 1, it is characterized in that: be embedded with wear-resisting bushing pipe (12) in the inside of described guide cylinder (2), described wear-resisting bushing pipe (12) and guide pillar (3) are slidably matched.

3. the device for hind axle assembly bushing pipe location according to claim 1, it is characterised in that: described pressure head (8) is pane structure, and this pressure head (8) is arranged bolt by one and is connected with pressure arm (7).