CN210588239U

CN210588239U - Fixed tool and machining device for machining tower crane rotary joint

Info

Publication number: CN210588239U
Application number: CN201921476118.6U
Authority: CN
Inventors: 靳义新; 罗建峰; 张绍华; 贾修行
Original assignee: Dahan Technology Co Ltd
Current assignee: Dahan Technology Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-22
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to a tower machine swivel processing is with fixed frock and processingequipment, including be used for with the workstation fixed connection's of boring and milling lathe base, base one side is fixed with support piece, the support piece top is provided with the fixing base, the fixing base both ends are connected with first tight piece that pushes up, first tight piece that pushes up is used for pushing up the medial surface of two otic placodes on swivel upper portion, base both sides portion is fixed with compresses tightly the platform, it is provided with first tight piece and second tight piece to compress tightly the platform, the lower part main limb of swivel can be put into the space between first tight piece and the second tight piece that pushes up, first tight piece and second tight piece that pushes up can connect the compressing tightly piece, the compressing piece is used for compressing tightly the main limb of swivel lower part on compressing tightly the platform, the first tight piece that pushes up and the second tight piece that pushes up that is located one side is connected with second tight piece, second tight piece that pushes up is used for pushing up tight swivel lower part main limb tight and pushes up tight, Lateral surface uses the utility model discloses a fixed frock can promote the machining precision of swivel.

Description

Fixed tool and machining device for machining tower crane rotary joint

Technical Field

The utility model relates to a machining equipment technical field, concretely relates to tower machine swivel processing is with fixed frock and processingequipment.

Background

The tower crane is an indispensable hoisting machine in the modern construction industry, can be divided into a tower cap type, a flat head type and a movable arm type, an important part of the tower cap type tower crane is a rotary joint, the structure of the rotary joint is particularly a truss and box body welding structure, the position is very important, the upper part of the tower cap type tower crane is connected with a tower cap, the front part and the rear part of the tower cap type tower crane are respectively connected with a cargo boom and a balance arm, the lower box body structure is connected with the upper part of a slewing bearing, and the lower part of the slewing bearing is connected with a lower rotary table, so that the tower crane plays a role of being lifted up.

The inventor finds that if the mounting hole of the existing tower crane swivel joint is drilled manually, the labor intensity is high, the machining precision of the mounting hole is low, if the existing boring and milling machine tool is used for machining the mounting hole, a fixing device for the swivel joint is not arranged on the boring and milling machine tool, and if the swivel joint is directly placed on a workbench of a special boring and milling machine tool for machining, the swivel joint is easy to vibrate, so that the machining precision of the mounting hole is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming above-mentioned prior art not enough, provide a tower machine swivel processing is with fixed frock, can avoid the swivel to place the vibrations problem of adding man-hour on the boring and milling special machine tool workstation, improved the machining precision of swivel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a tower machine swivel joint processing is with fixed frock, including the base that is used for with the workstation fixed connection of boring and milling machine tool, base one side is fixed with support piece, the support piece top is provided with the fixing base, the fixing base both ends are connected with first puller piece, first puller piece is used for pushing up the medial surface of two otic placodes on swivel joint upper portion, base both sides portion is fixed with compresses tightly the platform, it is provided with first puller piece and second puller piece to compress tightly the platform, the space between first puller piece and the second puller piece can be put into to the lower part owner limb of swivel joint, first puller piece and second puller piece can be connected and compress tightly the piece, it is used for compressing tightly the main limb of swivel joint lower part at compressing tightly the bench to compress tightly, the first puller piece and the second puller piece that are located one side are connected with second puller piece, second puller piece is used for pushing up in tight swivel joint lower part owner limb, the lateral surface.

Furthermore, first puller bolt is adopted by the first puller part, and the first puller bolt is in threaded connection with two ends of the fixed seat.

Furthermore, the second puller adopts a second puller bolt, and the first puller block and the second puller block are in threaded connection with the second puller bolt.

Furthermore, the compressing table is fixedly connected with the top end of the upright column, and the bottom end of the upright column is fixedly connected with the base.

Furthermore, the pressing piece adopts a pressing plate, pressing bolts penetrate through two ends of the pressing plate, the pressing bolts at the two ends can be respectively in threaded connection with the first tightening block and the second tightening block, and the pressing bolts can tightly press the pressing plate on the upper surface of the main limb at the lower part of the rotary joint.

Furthermore, the supporting piece is of a box body structure, a fixed seat is fixed on the top box wall of the box body, and the bottom box wall of the box body is fixed on the base.

Further, the fixing seat is made of I-shaped steel, connecting plates are fixed to two ends of the I-shaped steel, and the connecting plates are in threaded connection with the first tightening bolts.

Furthermore, a base mounting plate is fixed on the bottom surface of the base, and the base can be fixedly connected with a workbench of the boring and milling machine tool through the base mounting plate and mounting bolts.

The utility model also discloses a tower machine swivel processingequipment, including the boring and milling lathe, be fixed with on the workstation of boring and milling lathe the processing of tower machine swivel is with fixed frock.

The utility model has the advantages that:

1. the utility model discloses a frock is fixed to tower machine compresses tightly platform, first tight piece in top, the tight piece in second top, second top piece and compresses tightly the piece through the setting, compresses tightly the rotation that the piece can restrict the swivel in the motion of vertical direction and vertical plane, and the tight piece in second top can restrict the swivel in the motion of horizontal direction and the rotation in the horizontal plane to realized the stable fixed of swivel, conveniently fixed on the boring and milling machine tool.

2. The utility model discloses a frock is fixed to tower machine is equipped with fixing base and first top tight piece, and first top tight piece can push up the otic placode position that the mounting hole was waited to process to avoided vibrating of drilling in-process otic placode position, guaranteed the machining precision of mounting hole.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic front view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic side view of the overall structure of embodiment 1 of the present invention;

fig. 3 is a schematic top view of the overall structure of embodiment 1 of the present invention;

fig. 4 is a schematic top view of the overall structure of embodiment 2 of the present invention;

fig. 5 is a schematic side view of the overall structure of embodiment 2 of the present invention;

fig. 6 is a schematic front view of the overall structure of embodiment 2 of the present invention;

the device comprises a cross beam 1, a longitudinal beam 2, a base mounting plate 3, a stiffening plate 4, a support plate 5, a bottom box wall 6, a side box wall 7, a partition plate 8, a fixed seat 9, a first puller bolt 10, an upright column 11, a pressing table 12, a first puller block 13, a second puller block 14, a second puller block 15, a second puller bolt 16, a pressing plate 17, a pressing bolt 18, a boring and milling machine tool 18-1, a workbench 18-2, a machining head 19, a rotating joint 19-1, a lower main limb 19-2 and an upper lug plate 5.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "upper" and "lower" in the present invention shall only be used to indicate correspondence with the upper and lower directions of the drawings themselves, and shall not limit the structure, but merely to facilitate the description of the present invention and simplify the description, and shall not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and shall not be construed as limiting the present invention.

Just as the introduction of background art, the present tower machine swivel is inconvenient to be fixed on the workstation of boring and milling machine tool, has caused to adopt boring and milling machine tool to process the machining precision low to swivel mounting hole, and to the above-mentioned problem, this application provides a tower machine swivel processing with fixed frock.

In a typical implementation mode embodiment 1 of this application, as shown in fig. 1-3, a fixed frock is used in processing of tower machine swivel, including the base, the base includes a plurality of parallel arrangement's crossbeam 1, and the both ends welded fastening of a plurality of crossbeams has longeron 2, crossbeam and longeron all adopt square steel, the bottom surface welded fastening of base has a plurality of base mounting panels 3, and base mounting panel can with the workstation welded fastening of boring and milling machine bed, realize fixed frock is used in processing of tower machine swivel and the fixed connection of boring and milling machine bed frock platform, be provided with stiffening plate 4 between longeron and the base mounting panel for strengthen the joint strength between base and the base mounting panel.

The utility model discloses a portable refrigerator, including base, support piece, bottom tank wall, four lateral part tank walls 7, four lateral part tank walls, top tank wall and bottom tank wall constitute the box structure jointly, four lateral part tank walls, top tank wall and bottom tank wall, the one end upper surface welded of base is fixed with backup pad 5, the backup pad has support piece through bolted connection, support piece adopts the box structure, including parallel arrangement's top tank wall 20 and bottom tank wall 6, the bottom tank wall passes through bolt and backup pad fixed connection, is provided with four lateral part. The top tank wall, the bottom tank wall and the four lateral tank walls are welded and fixed, two partition plates 8 which are arranged in parallel are arranged inside the tank structure, and the four edges of each partition plate are welded and fixed with the inner side surfaces of the four lateral tank walls, so that the structural strength of the whole supporting piece is enhanced.

The top tank wall has fixing base 9 through the bolt fastening, the fixing base adopts the I-steel, I-steel both ends welded fastening has the connecting plate, be connected with first puller on the connecting plate, first puller adopts first puller bolt 10, first puller bolt and connecting plate threaded connection rotate first puller bolt, and its axis direction motion can be followed to first puller bolt to the medial surface of tight rotary joint upper portion otic placode in top.

Two groups of upright columns 11 are fixed on the two longitudinal beams, each group of upright columns is provided with two upright columns, the two upright columns are respectively fixed on the two longitudinal beams, and the planes of the axes of the two upright columns in the same group are vertical to the axes of the two longitudinal beams.

The utility model discloses a vertical column, including stand, roof, clamping table, first puller block, second puller block, stand bottom and longeron welded fastening, the stand top is fixed with compresses tightly platform 12, compress tightly the platform and be platelike structure, the upper surface that compresses tightly the platform is provided with first puller block 13 and second puller block 14, first puller block sets up the inboard, and first puller block and second puller block constitute the space of placing the main limb in swivel lower part.

Lie in and be connected with second puller piece on the first puller piece and the second puller piece of two compressing tightly platforms with one side, second puller piece adopts second puller bolt 15, second puller bolt and first puller piece threaded connection, second puller bolt can withstand the inside and outside end face of the main limb in swivel lower part, and the inside and outside end face of the main limb in swivel lower part can be supported to the second puller bolt of first puller piece and second puller piece.

The first jacking block and the second jacking block are further connected with a pressing piece, the pressing piece is a pressing plate 16 arranged above the first jacking block and the second jacking block, through holes are formed in two ends of the pressing plate, pressing bolts 17 penetrate through the through holes, the two pressing bolts can be in threaded connection with the first jacking block and the second jacking block respectively, the pressing bolts are rotated to press the pressing plate on the upper surface of a main limb at the lower part of the rotary joint, and the pressing plate presses the main limb at the lower part of the rotary joint onto the upper surface of a pressing table between the first jacking block and the second jacking block.

Adopt the fixed frock of this embodiment, the pressure strip can restrict the rotation of swivel joint in the motion of vertical direction and vertical plane, and the tight bolt in second top and the tight piece in second top can restrict the motion of swivel joint in the horizontal direction and the rotation in the horizontal plane to guaranteed the stable fixed of swivel joint, satisfied the stability demand of processing.

In this embodiment, be provided with the fixing base, the tight bolt in first top of fixing base both ends threaded connection, during drilling processing, can utilize two tight bolt in the interior terminal surface of two upper portion otic placodes of tight swivel joint in top to avoid vibrating of otic placode, guaranteed the machining precision.

Example 2:

the embodiment discloses a machining device for a tower crane swivel, which comprises a boring and milling machine tool 18 and the fixing tool for machining the tower crane swivel in embodiment 1, and a base of the fixing tool for machining the tower crane swivel is fixed on a workbench 18-1 of the boring and milling machine tool through a base mounting plate in a welding manner, as shown in fig. 4-6.

The working method of the tower crane rotary joint machining device in the embodiment comprises the following steps: lifting a rotary joint 19 to be machined, placing a lower main limb 19-1 of the rotary joint on the upper surface of a pressing plate between a first tightening block and a second tightening block, then rotating a second tightening bolt to tightly press the lower main limb of the rotary joint on one side, placing the pressing plate on the upper surface of the lower main limb, then penetrating the pressing bolts at two ends of the pressing plate, connecting the two pressing bolts with the first tightening block and the second tightening block respectively through threads, rotating the pressing bolts, pressing the lower main limb on a pressing table by using the pressing plate, rotating the first tightening bolt to enable the first tightening bolt to tightly press the inner side surfaces of upper lug plates 19-2 of the two rotary joints, completing the fixing work of the rotary joint, starting a boring and milling machine tool, enabling a machining head to be movable, and utilizing a machining head 18-2 of the boring and milling machine tool to perform drilling work on the lug plates of the rotary joint.

By adopting the processing device of the embodiment, the processing precision of the rotary joint is greatly improved, the pin shaft is assembled in the hole of the processed lug plate for about 3 minutes by using the traditional method, only 50 seconds are needed by adopting the processing device, the working efficiency is greatly improved, and the stability of installation and operation of a tower crane is ensured.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. The utility model provides a tower machine swivel joint processing is with fixed frock, a serial communication port, including be used for with the workstation fixed connection's of boring and milling lathe base, base one side is fixed with support piece, the support piece top is provided with the fixing base, the fixing base both ends are connected with first tight piece that pushes up, first tight piece that pushes up is used for pushing up the medial surface of two otic placodes on swivel joint upper portion, base both sides portion is fixed with the platform that compresses tightly, it is provided with first tight piece and second tight piece to compress tightly the platform, the space between first tight piece and the second tight piece of pushing up can be put into to the lower part owner limb of swivel joint, first tight piece and second tight piece that pushes up can connect the piece that compresses tightly, the piece that compresses tightly is used for compressing tightly the main limb of swivel joint lower part at bench, the first tight piece that pushes up that is located one side and second tight piece that pushes up is connected with second tight piece, second tight piece is used for pushing up the interior of tight.

2. The fixing tool for machining the tower crane rotary joint as claimed in claim 1, wherein the first tightening member is a first tightening bolt, and the first tightening bolt is in threaded connection with two ends of the fixing seat.

3. The fixing tool for machining the tower crane rotary joint as claimed in claim 1, wherein the second tightening member is a second tightening bolt, and the first tightening block and the second tightening block are in threaded connection with the second tightening bolt.

4. The fixing tool for machining the tower crane rotary joint as claimed in claim 1, wherein the pressing table is fixedly connected with the top end of the upright column, and the bottom end of the upright column is fixedly connected with the base.

5. The fixing tool for machining the tower crane rotary joint as claimed in claim 1, wherein the pressing member is a pressing plate, pressing bolts penetrate through two ends of the pressing plate, the pressing bolts at the two ends can be respectively in threaded connection with the first tightening block and the second tightening block, and the pressing bolts can press the pressing plate on the upper surface of the main limb at the lower part of the rotary joint.

6. The fixing tool for machining the tower crane rotary joint as claimed in claim 1, wherein the supporting member is of a box structure, a fixing seat is fixed on a top box wall of the box, and a bottom box wall of the box is fixed on a base.

7. The fixing tool for machining the tower crane rotating joint as claimed in claim 2, wherein the fixing seat is made of I-steel, connecting plates are fixed to two ends of the I-steel, and the connecting plates are in threaded connection with the first tightening bolts.

8. The fixing tool for machining the tower crane rotary joint as claimed in claim 1, wherein a base mounting plate is fixed to the bottom surface of the base, and the base can be fixedly connected with a workbench of a boring and milling machine tool through the base mounting plate and a mounting bolt.

9. A machining device for a tower crane rotary joint is characterized by comprising a boring and milling machine tool, wherein the fixing tool for machining the tower crane rotary joint as claimed in any one of claims 1 to 8 is fixed on a workbench of the boring and milling machine tool.