CN216326607U - Quick positioning tool for fine boring and drilling of excavator driving seat - Google Patents

Abstract

A fine boring and drilling fast positioning tool for an excavator driving seat relates to the technical field of excavators and comprises a fixed seat, wherein a positioning sleeve is fixed at the front part of the fixed seat, a positioning stop block is fixed at the rear part of the fixed seat, a machining groove is formed in the top of the positioning sleeve, and the vertical distance between the axis of the positioning sleeve and the front end face of the positioning stop block is equal to the vertical distance between the axis of an axis hole of the excavator driving seat to be machined and the lower end face of the excavator driving seat; still including the location inserted block with be used for fixing the fixture on the fixing base with the excavator drive seat of treating processing, circular fender lid diameter is greater than the diameter in shaft hole on the excavator drive seat of treating processing, shaft hole cooperation portion and the excavator drive seat shaft hole clearance fit of treating processing, the inner wall clearance fit of position sleeve cooperation portion and position sleeve, this kind of excavator drive seat finish boring drilling quick positioning frock convenient to use, can fix a position the drive seat shaft hole that needs the finish milling fast.

Description

Quick positioning tool for fine boring and drilling of excavator driving seat

The technical field is as follows:

the utility model relates to the technical field of excavators, in particular to a quick positioning tool for fine boring and drilling of an excavator driving seat.

Background art:

in the production and manufacturing process of the excavator driving seat, the shaft hole on the driving seat needs to be finely bored after the hole is drilled so as to ensure the precision. Before the shaft hole on the driving seat is finely bored, the shaft hole on the driving seat needs to be positioned to ensure the precision of the fine boring operation, however, a special tool which is convenient to use and can quickly position the shaft hole of the driving seat needing to be finely bored is lacked in the prior art.

The utility model has the following contents:

in order to solve the technical problems, the utility model provides a quick positioning tool for fine boring and drilling of a driving seat of an excavator, which is convenient to use and can be used for quickly positioning a shaft hole of the driving seat needing fine boring.

The utility model is realized by the following technical scheme:

a fine boring and drilling fast positioning tool for an excavator driving seat is characterized by comprising a fixed seat, wherein a positioning sleeve is fixed at the front part of the fixed seat, a positioning stop block is fixed at the rear part of the fixed seat, a processing groove is formed in the top of the positioning sleeve, and the vertical distance between the axial lead of the positioning sleeve and the front end face of the positioning stop block is equal to the vertical distance between the axial lead of an axial hole of the excavator driving seat to be processed and the lower end face of the excavator driving seat; the positioning and inserting mechanism comprises a positioning and inserting block and a clamping mechanism, wherein the clamping mechanism is used for fixing an excavator driving seat to be processed on a fixing seat, the positioning and inserting block comprises a circular blocking cover, a shaft hole matching part and a positioning sleeve matching part which are sequentially connected from top to bottom, the diameter of the circular blocking cover is larger than that of the shaft hole in the excavator driving seat to be processed, the shaft hole matching part is in clearance fit with the shaft hole in the excavator driving seat to be processed, and the positioning sleeve matching part is in clearance fit with the inner wall of the positioning sleeve.

In another aspect of the utility model, the front end and the rear end of the fixing seat are respectively provided with at least two fixing screw holes.

In another aspect of the utility model, the device further comprises a positioning insertion block taking device, the positioning insertion block taking device comprises a rotating shaft, a U-shaped frame vertically fixed at the upper end of the rotating shaft, a connecting rod and a hanging chain, a vertical hole is formed in the upper end of the positioning stop block, the lower part of the rotating shaft is in clearance fit with the vertical hole, a rod body of the connecting rod is hinged to the U-shaped frame, the upper end of the hanging chain is fixed at the front end of the connecting rod, and the lower end of the hanging chain is connected and fixed to the middle of the upper end of the circular stop cover.

In another aspect of the utility model, the clamping mechanism comprises two clamping pieces symmetrically arranged on the fixed seat, each clamping piece comprises a screw rod, a pressing block and a twisting handle, the screw rods are vertically arranged, the lower parts of the screw rods are in threaded fit in the fixed seat, the pressing blocks are rotatably sleeved on the rod bodies of the screw rods and located between the heads of the screw rods and the fixed seat, and the twisting handles are fixed at the upper ends of the heads of the screw rods.

The utility model has the beneficial effects that: the quick positioning tool for the fine boring and drilling of the excavator driving seat can quickly position the driving seat shaft hole needing fine boring, so that the shaft center of the driving seat shaft hole needing fine boring is located at a specific position, fine boring is carried out, the machining precision is ensured, and the use is convenient.

Description of the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic view of a bottom structure of a positioning insert block according to an embodiment of the present invention.

In the drawings: 1. the connecting rod, 2, U type frame, 3, briquetting, 4, twist and change the handle, 5, hang the chain, 6, circular fender lid, 7, position sleeve cooperation portion, 8, processing groove, 9, fixed screw, 10, position sleeve, 11, screw rod, 12, location dog, 13, rotation axis, 14, shaft hole cooperation portion, 15, fixing base.

The specific implementation mode is as follows:

the following describes the embodiments of the present invention with reference to the drawings and examples:

in the description of the present invention, it is to be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A fine boring and drilling fast positioning tool for an excavator driving seat comprises a fixed seat 15, wherein a positioning sleeve 10 is vertically welded and fixed at the front part of the fixed seat 15, a positioning stop block 12 is welded and fixed at the rear part of the fixed seat 15, a processing groove 8 is formed in the top part of the positioning sleeve 10, the inner diameter of the processing groove 8 is larger than that of an upper shaft hole of the excavator driving seat to be processed, and the vertical distance between the axial lead of the positioning sleeve 10 and the front end face of the positioning stop block 12 is equal to the vertical distance between the axial lead of the upper shaft hole of the excavator driving seat to be processed and the lower end face of the excavator driving seat; still include the location inserted block and be used for fixing the fixture on the fixing base with the excavator drive seat of treating processing, the location inserted block includes circular fender lid 6, shaft hole cooperation portion 14 and the position sleeve cooperation portion 7 that from the top down connected gradually, and circular fender lid 6, shaft hole cooperation portion 14 and position sleeve cooperation portion 7 can be a body structure, also can weld the mode and connect, circular fender lid diameter is greater than the diameter in shaft hole on the excavator drive seat of treating processing, shaft hole cooperation portion 14 and the excavator drive seat of treating processing axle hole clearance fit, the inner wall clearance fit of position sleeve cooperation portion and position sleeve. The front end and the rear end of the fixing seat are respectively provided with at least two fixing screw holes 9, and the fixing screw holes 9 are used for fixing the fixing seat at a specific position so as to facilitate fine boring processing. Still include the location inserted block device of taking, the location inserted block device of taking includes rotation axis 13, vertical welded fastening at U type frame 2, connecting rod 1 and the chain of hanging 5 of rotation axis 13 upper end, open the location dog upper end has perpendicular hole, the lower part clearance fit of rotation axis is downthehole at the perpendicular, the pole body of connecting rod 1 articulates on U type frame 2, the upper end welded fastening of chain of hanging 5 is at the front end of connecting rod 1, the lower extreme welded fastening of chain of hanging 5 is at the middle part of circular fender lid upper end. Fixture includes that two symmetries set up the holder on the fixing base, the holder includes screw rod 11, briquetting 3 and twists commentaries on classics handle 4, the vertical setting of screw rod 11 and lower part screw-thread fit are in the fixing base, briquetting 3 rotationally overlaps on the pole body of screw rod 11 and is in between the head and the fixing base of screw rod, twist and change handle 4 and fix the head upper end at the screw rod.

When in use, the lower end surface of the excavator driving seat to be finely bored is propped against the front end surface of the positioning stop block, the shaft hole of the excavator driving seat to be finely bored is approximately arranged above the processing groove, the rear end of the connecting rod is pressed down to push the connecting rod to enable the rotating shaft to rotate so as to adjust the position of the positioning insert block, the matching part of the positioning sleeve of the positioning insert block is in clearance fit in the positioning sleeve under the assistance of the positioning insert block taking device, the matching part of the shaft hole is in clearance fit in the shaft hole on the excavator driving seat to be finely bored, the round blocking cover is pressed on the upper end of the shaft hole on the excavator driving seat to be finely bored, so that the shaft hole on the excavator driving seat to be finely bored is positioned at the position coaxial with the positioning sleeve, the shaft hole is positioned, the rotating handle 4 is screwed by rotating a sleeve tool, the pressing block 3 presses the excavator driving seat to be finely bored on the fixed seat 15, move the location inserted block away again, and then can carry out the finish boring processing, the processing groove set up to the finish boring processing provides the processing space, and this kind of location mode machining precision is higher, and it is comparatively convenient to operate.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims (4)

1. A fine boring and drilling fast positioning tool for an excavator driving seat is characterized by comprising a fixed seat, wherein a positioning sleeve is fixed at the front part of the fixed seat, a positioning stop block is fixed at the rear part of the fixed seat, a processing groove is formed in the top of the positioning sleeve, and the vertical distance between the axial lead of the positioning sleeve and the front end face of the positioning stop block is equal to the vertical distance between the axial lead of an axial hole of the excavator driving seat to be processed and the lower end face of the excavator driving seat; the positioning and inserting mechanism comprises a positioning and inserting block and a clamping mechanism, wherein the clamping mechanism is used for fixing an excavator driving seat to be processed on a fixing seat, the positioning and inserting block comprises a circular blocking cover, a shaft hole matching part and a positioning sleeve matching part which are sequentially connected from top to bottom, the diameter of the circular blocking cover is larger than that of the shaft hole in the excavator driving seat to be processed, the shaft hole matching part is in clearance fit with the shaft hole in the excavator driving seat to be processed, and the positioning sleeve matching part is in clearance fit with the inner wall of the positioning sleeve.

2. The excavator driving seat fine boring and drilling rapid positioning tool according to claim 1, wherein the front end and the rear end of the fixing seat are respectively provided with at least two fixing screw holes.

3. The fine boring and drilling fast positioning tool for the driving seat of the excavator as claimed in claim 1 or 2, further comprising a positioning insert block taking device, wherein the positioning insert block taking device comprises a rotating shaft, a U-shaped frame vertically fixed at the upper end of the rotating shaft, a connecting rod and a hanging chain, a vertical hole is formed in the upper end of the positioning stop block, the lower part of the rotating shaft is in clearance fit with the vertical hole, a rod body of the connecting rod is hinged on the U-shaped frame, the upper end of the hanging chain is fixed at the front end of the connecting rod, and the lower end of the hanging chain is connected and fixed to the middle of the upper end of the circular stop cover.

4. The excavator driving seat fine boring and drilling quick positioning tool according to claim 1, wherein the clamping mechanism comprises two clamping pieces symmetrically arranged on the fixed seat, each clamping piece comprises a screw rod, a pressing block and a screwing handle, the screw rods are vertically arranged, the lower portions of the screw rods are in threaded fit with the fixed seat, the pressing blocks are rotatably sleeved on the rod bodies of the screw rods and located between the heads of the screw rods and the fixed seat, and the screwing handles are fixed at the upper ends of the heads of the screw rods.

Images