CN213067427U - Utensil is examined to portal frame formula clutch driven plate angularity - Google Patents

Abstract

The utility model discloses a detecting tool for camber of a driven plate of a portal frame type clutch, which comprises a base, an axle seat sleeve, a left support rod, a right support rod, a fixed cross rod and a dial indicator, the shaft seat is fixed on the surface of the base, the left supporting rod and the right supporting rod are fixed on the base and positioned on two sides of the shaft seat, the shaft seat sleeve is sleeved on the shaft seat and is in rotary connection with the shaft seat, the rotating shaft of the shaft seat sleeve is vertically arranged, a vertical connecting post is fixed on the shaft seat sleeve, an external spline with certain taper for fixing a clutch driven disc is processed at the top end of the vertical connecting post, the dial indicator is fixedly installed on the fixed cross rod and located above the shaft seat sleeve, the left end of the fixed cross rod is rotatably connected with the left supporting rod, and the right end of the fixed cross rod is detachably connected with the right supporting rod. The utility model discloses can avoid driven plate axial displacement to arouse measuring error, improve installation measuring convenience simultaneously.

Description

Utensil is examined to portal frame formula clutch driven plate angularity

Technical Field

The utility model relates to an utensil is examined to disc part angularity especially relates to an utensil is examined to portal formula clutch driven plate angularity.

Background

The clutch is composed of a driving part, a driven part, a pressing mechanism and an operating mechanism. The driven disk of the driven part is an input shaft for transmitting power transmitted by the driving part through friction to the transmission. The driven disc consists of three basic parts, including a driven disc body, a friction plate and a driven disc hub. The clutch driven disc is dry friction in the using process and generates friction in a clutch state, so that the clutch driven disc has faults of abrasion, slippage, abnormal sound and the like, and is a vulnerable part. The warping of the steel sheet of the driven disc can cause the clutch to shake and wear unevenly when the automobile starts, and is one of the main reasons for the failure of the driven disc, so the warping degree of the driven disc should be checked.

The warpage of a clutch driven plate is detected on a deflection instrument. Because the axial length of the clutch driven disc is short, and the hub of the driven disc is an internal spline, a core rod which is precisely matched with the internal spline penetrates through the hub of the driven disc during detection; then, two conical surface finials of the deflection instrument are arranged in thimble holes at two ends of the core rod; and then, a measuring head of the dial indicator is vertically arranged at the maximum diameter position of the friction plate, the friction plate is rotated for a circle by hands, and the shaking amount of the dial indicator reflects the warping degree of the clutch driven plate. The detection method has the following defects: the core rod which is precisely matched with the internal spline of the driven disc hub is machined, so that the relative cost is high; during detection, the possibility of axial movement exists, and the measurement precision is influenced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned prior art defect, the utility model discloses a task lies in providing a utensil is examined to portal frame formula clutch driven plate angularity, reduces and examines a cost, simplifies the installation and avoids axial displacement.

The utility model discloses technical scheme is such: the utility model provides an utensil is examined to portal frame formula clutch driven plate warpage, includes base, axle bed cover, left branch vaulting pole, right branch vaulting pole, fixed horizontal pole and percentage table, the axle bed is fixed in the base surface, left branch vaulting pole and right branch vaulting pole are fixed in the base and are located the both sides of axle bed, the axle bed cover adorn in the axle bed and with the axle bed is for rotating the connection, the axis of rotation of axle bed cover is vertical setting, be fixed with vertical spliced pole on the axle bed cover, the top processing of vertical spliced pole has certain tapered external splines that are used for fixed clutch driven plate, percentage table fixed mounting in fixed horizontal pole is located the top of axle bed cover, the left end of fixed horizontal pole with the left branch vaulting pole is for rotating the connection, the right-hand member of fixed horizontal pole with the right branch vaulting pole is for.

Furthermore, the left supporting rod and the right supporting rod are telescopic supporting rods.

Furthermore, the base is provided with a T-shaped sliding groove, and the shaft seat slides along the T-shaped sliding groove to change the fixing position of the shaft seat on the base.

Furthermore, in order to adjust the relative position between the dial indicator and the shaft seat sleeve conveniently, the left end and the right end of the fixed cross rod are both provided with strip-shaped connecting holes, pin shaft screws are arranged in the strip-shaped connecting holes at the left end and fixedly connected with the left support rod, and a pressing spring is arranged between the tail parts of the pin shaft screws and the fixed cross rod.

Further, the middle part of fixed horizontal pole is equipped with semicircle clamping part, semicircle clamping part is equipped with bar centre gripping groove and is used for contracting the centre gripping bolt in bar centre gripping groove.

Furthermore, a latching mechanism is arranged at the top of the right supporting rod, and the right end of the fixed cross rod is latched by the latching mechanism.

Further, the vertical bolt of right-hand member fixed connection of fixed horizontal pole closes the pin, the bolt mechanism includes left clamp splice and right clamp splice, left side clamp splice and right clamp splice with the top of right branch vaulting pole is articulated, the opposite face of left side clamp splice and right clamp splice is equipped with half chamber of pin.

Compared with the prior art, the utility model the advantage lie in: the warping degree of the driven plate is measured by adopting the vertical arrangement of the rotating shaft, so that the measuring error caused by the axial movement of the driven plate can be avoided. The fixed horizontal pole of fixed percentage table gets into the measuring position with the horizontal rotation, can avoid causing axial interference at the installation driving disk axle to the right-hand member is fixed with latching mechanism, has improved installation and measuring convenience.

Drawings

Fig. 1 is a schematic structural diagram of a gantry clutch driven plate warping degree gauge.

FIG. 2 is a schematic side view of the base.

Fig. 3 is a schematic view of a fixed cross bar structure.

Fig. 4 is a schematic top view of a stationary crossbar.

Fig. 5 is a schematic structural view of the latching mechanism.

Fig. 6 is a schematic top view of the left and right clamping blocks.

Detailed Description

The present invention will be further described with reference to the following examples, which should not be construed as limiting the invention.

Referring to fig. 1, a fixture for detecting warpage of a gantry clutch driven disc according to this embodiment includes a base 1, a shaft seat 2, a shaft seat sleeve 3, a left support rod, a right support rod, a fixed cross rod 4, a latching mechanism 5, and a dial indicator 6. The base 1 is rectangular and a T-shaped sliding groove 11 is formed in the center of the upper surface of the base 1 by machining, and the sliding groove is transverse to the whole surface plane, as shown in FIG. 2. Two or more than two T-shaped sliding grooves 11 can be formed in the base 1, and when three T-shaped sliding grooves 11 are formed in the base 1, namely, one T-shaped sliding groove 11 is additionally formed on each of two sides of the T-shaped sliding groove 11 in the central position of the base 1. The shaft seat 2 is fixed on the surface of the base 1, and the T-shaped sliding groove 11 can be provided with a sliding block connected with the shaft seat 2, so that the shaft seat 2 can slide along the T-shaped sliding groove 11 to change the fixed position of the base 1. The shaft seat sleeve 3 is sleeved on the shaft seat 2 and is rotatably connected with the shaft seat 2, a rotating shaft of the shaft seat sleeve 3 is vertically arranged, a vertical connecting column 31 is fixed on the shaft seat sleeve 3, and a precise external spline with a certain taper is processed at the top end of the vertical connecting column 31 and used for fixedly sleeving the clutch driven disc 7. The vertical connecting column 31, the shaft seat sleeve 3 and the shaft seat 2 are perpendicular to the surface of the base 1 to ensure the measurement accuracy. When the shaft sleeve 3 is rotated, the clutch driven disc 7 can be driven to rotate around the shaft seat 2 in a circumferential plane.

Left branch vaulting pole and right branch vaulting pole are telescopic rod structure, and telescopic rod structure specifically is: the telescopic shaft 81 is sleeved with a telescopic outer sleeve 82, and the axial relative position of the telescopic outer sleeve 82 and the telescopic shaft 81 is fixed through a fastening screw 83 on the telescopic outer sleeve 82. A spring outer sleeve 84 is sleeved on the lower portion of the telescopic outer sleeve 82, the bottom of the spring outer sleeve 84 is fixed to the position of the T-shaped sliding groove 11 of the base 1 through screws, a telescopic spring 85 is arranged between the lower end of the telescopic outer sleeve 82 and the bottom end of the spring outer sleeve 84, and the axial opposite positions of the spring outer sleeve 84 and the telescopic outer sleeve 82 are fixed through knurled screws 86 on the spring outer sleeve 84.

As shown in fig. 3 and 4, the left end and the right end of the fixed cross bar 4 are both provided with a bar-shaped connecting hole 41, a pin bolt 42 is arranged in the bar-shaped connecting hole 41 at the left end, and a pressing spring 43 is arranged between the tail of the pin bolt 42 and the fixed cross bar 4. During detection, the pin shaft screw 42 can be adjusted to compress the pressing spring 43, so that the joint surface of the gasket sleeved on the strip-shaped connecting hole 41 at the left end and the pin shaft screw 42 is properly compressed, the axial clearance of the pin shaft screw 42 is eliminated, a certain amount of friction force is generated when the fixed cross rod 4 rotates around the pin shaft screw 42 in a horizontal plane, and the fixed cross rod 4 is prevented from sliding along the strip-shaped connecting hole 41. The pin shaft screw 42 is fixedly connected with the top end of the left support rod, so that the fixed cross rod 4 can freely rotate around the pin shaft screw 42 in the horizontal plane. The middle part of the fixed cross bar 4 is provided with a downward complete semicircular clamping part 44, and the semicircular clamping part 44 is provided with a strip-shaped clamping groove 45 and a clamping bolt 46 for contracting the strip-shaped clamping groove 45. The dial indicator 6 can be conveniently and quickly placed in the semicircular clamping portion 44, and after the placement is finished, the opening of the strip-shaped clamping groove 45 can be reduced by screwing the clamping bolt 46, so that the dial indicator 6 is fixed on the semicircular clamping portion 44. The strip-shaped connecting hole 41 at the right end of the fixed cross rod 4 is fixedly connected with a connecting plate 47 through a bolt, and a vertical latching pin 9 is fixed on the connecting plate 47.

Referring to fig. 5 and 6, the latch mechanism 5 is fixedly connected to the top of the right support rod, and the vertical latch pin 9 and the latch mechanism 5 can be manually latched or unlatched. The top of the right supporting rod is fixed with a reinforcing plate 51, the top of the reinforcing plate 51 is fixed with a clamping block seat 52, the clamping block seat 52 is respectively hinged with a left clamping block 54 and a right clamping block 55 through a locking and clamping pin shaft 53, and pin half cavities 56 are arranged on the opposite surfaces of the left clamping block 54 and the right clamping block 55. When the fixed cross rod 4 rotates around the left end of the fixed cross rod, namely around the pin shaft screw 42, and the vertical latching pin 9 on the fixed cross rod 4 is pushed to the left clamping block 54 and the right clamping block 55, the two pin half cavities 56 are relatively closed through the rotation of the left clamping block 54 and the right clamping block 55 around the locking and clamping pin shaft 53, so that the vertical latching pin 9 is limited in a space formed by combining the two pin half cavities 56, and the connection of the fixed cross rod 4 and the right supporting rod is completed. When the fixed cross bar 4 continues to be pushed and rotates, the vertical latch pin 9 will be pushed out from the space formed by the combination of the two pin half-cavities 56, so that the fixed cross bar 4 is disconnected from the right support bar.

The specific operation process for detecting the warping degree of the clutch driven plate is as follows:

before the detection is started, firstly, the clutch driven disc 7 is arranged on the vertical connecting column 31, the dial indicator 6 is fixed on the fixed cross rod 4, and in the first step, the dial indicator 6 is placed in the strip-shaped clamping groove 45; and secondly, adjusting the clamping bolt 46 to enable the strip-shaped clamping groove 45 to contract to stabilize the dial indicator 6. Next, the latching mechanism 5 should be in an open state with the vertical latching pin 9 away from the left and right clamping blocks 54, 55, the fixed cross bar 4 away from the vertical connecting post 31, and rotating the fixed cross bar 4 pushes the vertical latching pin 9 into the two pin half-cavities 56. Thirdly, observing the height difference between the head of the dial indicator 6 and the end face of the clutch driven disc 7 and the position of a measuring point, and carrying out proper adjustment, wherein in the first step, if the height adjustment is needed, the adjustment is carried out by utilizing the telescopic function of the left supporting rod and the right supporting rod; and secondly, if the measuring point needs to be adjusted in a left-right range, the shaft seat 2 is moved by using the T-shaped sliding groove 11 of the base 1 for adjustment, or the position of the shaft seat 2 is fixed, and the detecting position of the dial indicator 6 and the clutch driven disc 7 is optimized by using the strip-shaped connecting hole 41 on the fixed cross rod 4 for adjustment, and then detection is carried out. In the first step of detection, a detector manually rotates the shaft sleeve 3 to enable the clutch driven disc 7 to rotate circumferentially, at the moment, the head of the dial indicator 6 is in contact with the end face of the clutch driven disc 7, and the dial indicator displays changes; and secondly, observing the change of the pointer of the dial indicator 6, reflecting the warping degree of the clutch driven disc 7 and judging whether the warping degree is in a standard range when the clutch driven disc 7 is warped and rotates for a circle by the shaking amount of the dial indicator 6, and timely overhauling or replacing if the warping degree is not in the standard range. After the detection is finished, the fixed cross rod 4 is rotated to enable the latching mechanism 5 to be in an open state, the fixed cross rod 4 and the vertical connecting column 31 are in a far state, and the clutch driven disc 7 can be taken down, so that the next detection is carried out.

Claims (7)

1. A door frame type clutch driven plate warping degree detection tool is characterized by comprising a base, a shaft seat sleeve, a left supporting rod, a right supporting rod, a fixed cross rod and a dial indicator, the shaft seat is fixed on the surface of the base, the left supporting rod and the right supporting rod are fixed on the base and positioned on two sides of the shaft seat, the shaft seat sleeve is sleeved on the shaft seat and is in rotary connection with the shaft seat, the rotating shaft of the shaft seat sleeve is vertically arranged, a vertical connecting post is fixed on the shaft seat sleeve, an external spline with certain taper for fixing a clutch driven disc is processed at the top end of the vertical connecting post, the dial indicator is fixedly installed on the fixed cross rod and located above the shaft seat sleeve, the left end of the fixed cross rod is rotatably connected with the left supporting rod, and the right end of the fixed cross rod is detachably connected with the right supporting rod.

2. The tool according to claim 1, wherein the left support rod and the right support rod are both telescopic support rods.

3. The tool according to claim 1, wherein the base has a T-shaped sliding groove, and the shaft seat slides along the T-shaped sliding groove to change a fixed position of the base.

4. The tool for checking the warping degree of the driven plate of the door frame type clutch according to claim 1, wherein the left end and the right end of the fixed cross bar are provided with bar-shaped connecting holes, a pin shaft screw is arranged in the bar-shaped connecting hole at the left end and fixedly connected with the left supporting rod, and a pressing spring is arranged between the tail portion of the pin shaft screw and the fixed cross bar.

5. The tool for checking the warping degree of the gantry type clutch driven plate according to claim 1, wherein a semicircular clamping portion is arranged in the middle of the fixed cross bar, and the semicircular clamping portion is provided with a strip-shaped clamping groove and a clamping bolt for contracting the strip-shaped clamping groove.

6. The check fixture of claim 1, wherein a latching mechanism is disposed at a top portion of the right support rod, and a right end of the fixed cross bar is latched by the latching mechanism.

7. The tool for checking the warping degree of the gantry clutch driven disc according to claim 6, wherein a vertical latch pin is fixedly connected to the right end of the fixed cross bar, the latch mechanism comprises a left clamping block and a right clamping block, the left clamping block and the right clamping block are hinged to the top of the right supporting rod, and pin half cavities are formed in opposite surfaces of the left clamping block and the right clamping block.

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