Tool special for hydraulic shaft penetrating

Abstract

The utility model relates to a special tool for hydraulic shaft penetration. The special tool comprises a manual hydraulic pump, a hollow jack, a jack positioning bracket, a traction screw rod and a guide flange, the jack positioning support is fixedly connected to an outer ring positioning flange on the front side of the cantilever beam universal bearing, and the inner end positioning face of the jack positioning support abuts against the front side of an inner ring of the cantilever beam universal bearing. The guide flange is fixedly connected to the front end of a shaft to be mounted; the traction lead screw sequentially penetrates through the jack positioning support and the cantilever beam universal bearing from front to back and then is coaxially and fixedly connected with the guide flange. The hollow jack is arranged at the front end of the jack positioning bracket and is coaxially connected with the traction screw rod; and the output end of the manual hydraulic pump is connected with the input end of the hollow jack. Aiming at the problems of difficulty in operation, long consumed time and the like in the modular assembly process of the stacker-reclaimer, the utility model designs a set of special tool for mounting the hinged shaft, and the mounting operation of the hinged shaft of the stacker-reclaimer can be quickly, stably and accurately completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the equipment installation technical field of stacker -reclaimer, especially relates to a special frock of hydraulic penetrating axle. BACKGROUND

[0002] At present, the pin shaft is generally used for connecting between each module of the conventional stacker-reclaimer, especially the shaft between the cantilever and the rotating device, the shaft diameter has the change, and it is difficult to align the shaft and the hole during installation. At the same time, the shaft is usually 360mm in diameter, 1100mm in length and ladder conical in shape. And the installation position has certain limitation, so the installation position of the shaft cannot be controlled by using hoisting tools, and the shaft hole needs to be aligned manually by the installation personnel before installation, which is extremely difficult to operate and will waste a lot of time for adjustment. Moreover, improper adjustment or movement during manual adjustment will cause the shaft line to be inclined, and the inclined edge of the shaft will be clamped in the shaft hole during assembly, which cannot enter the assembly position and causes assembly failure.

[0003] Therefore, it is urgent to design a special frock for hinge shaft installation with positioning and guiding functions, which is more convenient and fast by using a hydraulic jack. SUMMARY

[0004] In view of the above problems, the utility model aims at providing a special frock for hydraulic penetrating axle, which can effectively solve the problems of difficult operation, long time consumption and the like in the current modular assembly process of stacker-reclaimer, and realize fast, stable and accurate installation of the hinge shaft of stacker-reclaimer.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] The special frock for hydraulic penetrating axle provided by the utility model comprises a manual hydraulic pump, a hollow jack, a jack positioning support, a traction screw rod and a guide flange. The jack positioning support is fixedly connected to the outer ring positioning flange on the front side of the cantilever beam universal bearing, and the inner end positioning surface of the jack positioning support abuts against the front side of the inner ring of the cantilever beam universal bearing. The guide flange is fixedly connected to the front end of the shaft to be installed. The traction screw rod passes through the jack positioning support and the cantilever beam universal bearing from front to back and is coaxially fixedly connected to the guide flange. The hollow jack is arranged at the front end of the jack positioning support and is coaxially connected to the traction screw rod. The output end of the manual hydraulic pump is connected to the input end of the hollow jack.

[0007] Further, the shaft to be installed is arranged inside the shaft hole of the rotating device, and the rear end of the shaft is coaxially fixedly connected to an end cover flange. A plurality of positioning guide rods are circumferentially arranged between the outer ring of the end cover flange and the rear side of the rotating device.

[0008] Further, the front end of the positioning guide rod is provided with external threads, and the rear end is provided with a taper; the front end of the positioning guide rod is threadedly connected with the rotary device, and the rear end is fixedly connected with the end cover flange.

[0009] Further, the outer end surface bottom of the outer ring positioning flange at the rear side of the cantilever beam universal bearing is provided with a bolt support; the rear side of the bolt support is radially threadedly connected with a fine adjustment bolt.

[0010] Further, the positioning guide rod is fixedly connected with the front end of the shaft to be installed through axial bolts.

[0011] Further, the guide flange is fixedly connected with the front end of the shaft to be installed through axial bolts.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model makes full use of the guiding device to eliminate the unstable factors existing in the assembly adjustment process, guarantees the coaxiality requirement of the shaft line, uses the hydraulic jack system to increase the traction driving force and operation efficiency, realizes the quick, stable and accurate assembly of the cantilever beam hinge shaft, solves the quality problem of assembly failure caused by the eccentricity of the shaft hole under the high assembly precision requirement, and provides reliable and powerful technical support for the modular assembly of the stacker-reclaimer. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] Among them, the sign: 1-manual hydraulic pump;2-fine adjustment bolt;3-bolt support;4-hollow jack;5-jack positioning support;6-cantilever beam;7-cantilever beam universal bearing;8-towing screw;9-guide flange;10-rotary device;11-to be installed shaft;12-supporting block;13-positioning guide rod;14-end cover flange. DETAILED DESCRIPTION

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced to the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0017] It should be noted that in the description of the utility model, the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and not to indicate that the device or element must have a particular orientation, be constructed and operated in a particular orientation.

[0018] Referring to the drawings Figure 1 The utility model discloses a special frock of hydraulic wear shaft, including manual hydraulic pump (1), hollow jack (4), jack positioning support (5), traction screw rod (8) and guide flange (9).

[0019] The jack positioning support (5) is fixed on the outer ring positioning flange of the front side of the cantilever beam universal bearing (7) through bolts, and the inner end positioning surface of the jack positioning support (5) abuts against the front side of the inner ring of the cantilever beam universal bearing (7), so as to ensure the relative position of the bearing inner ring and the shaft during installation.

[0020] The rotary device (10) provided with the shaft (11) to be installed is arranged at one side of the cantilever beam (6), so that the installation shaft hole of the rotary device (10) is aligned with the shaft hole of the cantilever beam (6); and the area inside the rotary device (10) and in contact with the bottom of the shaft (11) to be installed is provided with a rigid supporting block (12).

[0021] The rear end of the shaft (11) to be installed is coaxially fixed with an end cover flange (14); four positioning guide rods (13) are circumferentially arranged between the outer ring of the end cover flange (14) and the rear side of the rotary device (10). The front end of the positioning guide rod (13) is provided with external threads, and the rear end is tapered; the front end of the positioning guide rod (13) is screw-connected with the corresponding threaded hole on the rear side of the rotary device (10); the end cover flange (14) is fixed with the rear end of the positioning guide rod (13) through the corresponding flange hole on the outer ring; the fixation between the shaft (11) to be installed and the rotary device (10) can be completed through the above structure.

[0022] The guide flange (9) is fixed on the front end of the shaft (11) to be installed through axial bolts; the traction screw rod (8) passes through the jack positioning support (5) and the cantilever beam universal bearing (7) from front to back and is fixed with the guide flange (9) at the rear.

[0023] The hollow jack (4) is arranged at the front end of the jack positioning support (5), and the index lead screw (8) passes through the inside of the hollow jack (4); the output end of the manual hydraulic pump (1) is connected with the input end of the hollow jack (4) through pipelines. The manual hydraulic pump (1) drives the hollow jack (4) to drive the traction lead screw (8) to pull the to-be-installed shaft (11) into the bearing hole of the cantilever beam universal bearing (7), thereby completing the connection of the cantilever beam (6) and the slewing device (10).

[0024] In the embodiment, the outer end surface bottom of the outer ring positioning flange at the rear side of the cantilever beam universal bearing (7) is provided with a bolt support (3); the rear side of the bolt support (3) is radially screw-connected with a fine adjustment bolt (2). The relative position of the shaft center of the to-be-installed shaft (11) and the hole center of the cantilever beam universal bearing (7) can be adjusted through the fine adjustment bolt (2), so as to ensure the smoothness of the shaft passing.

[0025] The not-yet-exhausted matters of the utility model are all the known technology.

[0026] The above-described embodiments are merely used to describe the preferred embodiments of the utility model, and do not limit the scope of the utility model, and various modifications and improvements to the technical scheme of the utility model made by the ordinary skilled in the art without departing from the design spirit of the utility model shall fall into the protection scope defined by the claims of the utility model.

Claims

1. A special tooling for hydraulic shaft insertion, characterized in that: The tooling includes a manual hydraulic pump, a hollow jack, a jack positioning bracket, a traction screw, and a guide flange. The jack positioning bracket is fixedly connected to the outer ring positioning flange on the front side of the cantilever beam universal bearing, and the inner end positioning surface of the jack positioning bracket abuts against the front side of the inner ring of the cantilever beam universal bearing. The guide flange is fixedly connected to the front end of the shaft to be installed. The traction screw passes through the jack positioning bracket and the cantilever beam universal bearing from front to back and is then coaxially fixedly connected to the guide flange. The hollow jack is located at the front end of the jack positioning bracket and is coaxially connected to the traction screw. The output end of the manual hydraulic pump is connected to the input end of the hollow jack.

2. The hydraulic through-shaft special tooling according to claim 1, characterized in that: The shaft to be installed is located inside the shaft hole of the rotary device, and its rear end is coaxially fixed to an end cover flange; a number of positioning guide rods are evenly distributed around the circumference between the outer ring of the end cover flange and the rear side of the rotary device.

3. The hydraulic through-shaft special tooling according to claim 2, characterized in that: The positioning guide rod has an external thread at its front end and a tapered shape at its rear end; the front end of the positioning guide rod is threadedly connected to the rotary device, and the rear end is fixedly connected to the end cover flange.

4. The hydraulic through-shaft special tooling according to claim 1, characterized in that: A bolt support is provided at the bottom of the outer end face of the outer ring positioning flange on the rear side of the cantilever beam universal bearing; a fine-tuning bolt is connected to the rear radial thread of the bolt support.

5. The hydraulic through-shaft special tooling according to claim 1, characterized in that: The jack positioning bracket is fixed to the outer ring positioning flange on the front side of the cantilever beam universal bearing by axial bolts.

6. The hydraulic through-shaft special tooling according to claim 1, characterized in that: The guide flange is fixed to the front end of the shaft to be installed by axial bolts.

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