CN212264635U

CN212264635U - Multifunctional positioning drill jig combined clamping fixture for drilling hydraulic support top beam and column cap

Info

Publication number: CN212264635U
Application number: CN202020559654.9U
Authority: CN
Inventors: 刘录琴; 张丹; 周彩红; 高峰; 李健; 薛亮; 王翠芳
Original assignee: Huozhou Coal Electricity Group Xinju Coal Machine Equipment Manufacturing Co ltd
Current assignee: Huozhou Coal Electricity Group Xinju Coal Machine Equipment Manufacturing Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2021-01-01
Anticipated expiration: 2030-04-16

Abstract

The utility model relates to a drilling of hydraulic support back timber cap post cap is with multi-functional location jig combination mould has solved the processing in round pin shaft hole on the post cap and has had the difficult, the machining precision is not high, the high scheduling problem of product rejection rate. The mould comprises a positioning frame and a drilling jig frame, wherein a door-shaped frame, a pressing plate, a positioning bolt, a limiting clamping edge and a limiting angle steel are arranged on the positioning frame and used for positioning and fixing a column cap; the drilling mould frame is provided with a vertical support plate, a transverse support plate and a guide sleeve which are used for guiding and positioning the drilling machine; the drilling mould frame is fixedly connected with the positioning frame through bolts. The utility model discloses the mould is applicable to the processing of various model hydraulic support post nest, and is easy and simple to handle, fixes a position accurately, and the product precision is high, has extensive popularization prospect.

Description

Multifunctional positioning drill jig combined clamping fixture for drilling hydraulic support top beam and column cap

Technical Field

The utility model relates to a coal mine production technical field, in particular to hydraulic support processing auxiliary device specifically is a drilling of hydraulic support back timber post cap is with multi-functional location jig combination mould.

Background

The hydraulic support is an important component of fully mechanized mining equipment, and can reliably and effectively support and control a top plate of a working face and isolate a goaf. The top beam is one of main bearing parts of the support, the support realizes the functions of supporting and managing the top beam through the top beam, and a column cap on the top beam is hinged with a column head of the large upright column in a spherical contact mode and is used for transmitting and supporting the supporting force of the upright column of the hydraulic support on the top beam. Therefore, the installation and the use of the top beam and the large upright post are directly influenced by the processing precision of the pin shaft hole on the top beam and the upright post cap. The phenomenon that the connecting transverse pin is broken and the stand column cannot be installed in the column cap is easily caused due to low processing precision, so that the use performance of the support and the safety production of a coal mine are affected. With the popularization of intelligent working faces, the operation of no people or few people in the well becomes a great development trend, and the development requires that the manufacturing precision of the hydraulic support must be kept up with. However, the existing processing method for the pin hole on the cap generally has the problems of difficult positioning, low processing precision, high product rejection rate and the like, so in order to improve the product quality, a device capable of improving the processing precision of the cap drilling is urgently needed to be designed, the precision and interchangeability are ensured, and the labor efficiency is improved.

Disclosure of Invention

The utility model aims at providing a drilling of hydraulic support back timber cap post cap is with multi-functional location jig combination mould in order to solve the processing in the round pin shaft hole on the cap and to have the location difficulty, machining precision is not high, product rejection rate scheduling problem height.

The utility model discloses a realize through following technical scheme:

a multifunctional positioning drill jig combined mould for drilling a top beam and a column cap of a hydraulic support comprises a positioning frame and a drill jig frame; the positioning frame comprises a bottom plate, a door-shaped frame is fixed on the bottom plate along the position of the short center line of the bottom plate, a pressing plate is arranged above the door-shaped frame, a positioning bolt penetrates through the pressing plate, and the screw end of the positioning bolt penetrates through the top plate of the door-shaped frame and is connected with a limiting nut in a threaded manner; limiting clamping edges which are arranged in parallel with the short central line of the door-shaped frame are symmetrically fixed at positions on the bottom plate, which are positioned at two sides of the door-shaped frame, a front limiting angle steel and a rear limiting angle steel are fixed between two sides of the door-shaped frame and the corresponding limiting clamping edges, and clamping bolts are connected to the front limiting angle steel in a threaded manner; a bolt fixing seat is arranged on the bottom plate and positioned outside the limiting clamping edge; the drill jig frame comprises a base, sliding grooves used for clamping the bolt fixing seats are formed in two sides of the base, vertical supporting plates are fixed on the base, transverse supporting plates are fixed at the tops of the vertical supporting plates, and guide sleeves penetrating through the transverse supporting plates and the transverse supporting plates are installed at positions, close to the end portions, of the transverse supporting plates.

The utility model discloses the mould combines the special frock that production actual experience and designed out through theoretical calculation, and the locating rack passes through bolt fixed connection with the jig frame, and the combination becomes to do benefit to the multi-functional status jig combination mould of the processing of pin shaft hole on the cap, through product trial-manufacturing, inspection, has verified the feasibility and the accuracy of this mould.

1) Positioning frame: the utility model provides a mode that two post caps supported each other back to back is adopted to the processing principle of locating rack, carries out two-way location to two post caps, and the structure back to back has improved the stability of whole support body, and this support body has all carried on spacingly to six degrees of freedom, makes every post cap all be in accurate unchangeable position, and accurate location has reduced the tremor when drilling, has improved the machining precision.

2) Drilling a mold frame: the design of the drilling die frame saves the process of drawing a line, the guide sleeve on the drilling die frame can help the drill bit to be quickly positioned, the deviation of the lengthened drill bit in the drilling process due to the fact that the cutter body is too long can be prevented, and the accuracy of the drilling size in the batch production process is guaranteed;

as the preferred technical scheme, a clamping groove used for vertically clamping the bolt is formed in the bolt fixing seat, and a notch in the top of the clamping groove is reduced to form a bayonet used for clamping the bolt head.

As the preferred technical scheme, the vertical supporting plate comprises an upper plate section and a lower plate section, a plurality of connecting through holes with different heights are formed in the upper plate section and the lower plate section, and any connecting through hole in the upper plate section is aligned with any connecting through hole in the lower plate section and then fixedly connected through a fastening bolt.

As the preferred technical scheme, reinforcing rib plates are fixed between the vertical supporting plate and the rectangular base and between the vertical supporting plate and the transverse supporting plate.

Preferably, the guide sleeve is made of high-speed steel W18Cr 4V.

The utility model discloses an analysis to pin shaft hole processing technology of column nest has improved processing technology, utilizes multi-functional location jig combination mould to realize converting the hole of slope surface processing into horizontal plane processing, has reduced the repeated marking off location work, has improved work efficiency.

The utility model reduces the labor intensity in the support manufacturing, reduces the time for positioning, leveling, line drawing and drilling, has simple and convenient operation and improves the working efficiency; the positioning is accurate, the high-quality rate of products is guaranteed, rework and reprocessing are avoided, the rejection rate is reduced, the production cost is saved, and the loss of auxiliary production equipment is reduced. Compared with the original processing, the production efficiency is improved by 45 percent, 5-6 ten thousand yuan can be saved each year, and more than 2 ten thousand yuan can be saved due to the loss of auxiliary production equipment; the product percent of pass reaches 99%, the rejection rate is reduced, the production cost can be saved by more than 4 ten thousand yuan, and the experience is accumulated for the production and processing of the hydraulic support column nest in future.

The utility model discloses the mould is applicable to the processing of various model hydraulic support post nest, and is easy and simple to handle, fixes a position accurately, and the product precision is high, has extensive popularization prospect.

Drawings

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

Fig. 1 is a schematic structural diagram of the positioning frame of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural diagram of the drill jig frame of the present invention.

Fig. 4 is a top view of the bolt fixing seat of the present invention.

Fig. 5 is a sectional view a-a in fig. 4.

Fig. 6 is a schematic view of the present invention for processing the cap.

In the figure: the steel plate column comprises a base plate 1, a door frame 2, a pressing plate 3, a positioning bolt 4, a limiting clamping edge 5, a limiting angle steel 6, a clamping bolt 7, a bolt fixing seat 8, a seat body 8-1, a clamping groove 8-2, a bayonet 8-3, a seat 9, a sliding groove 10, a vertical supporting plate 11, a transverse supporting plate 12, a guide sleeve 13, a fastening bolt 14, a reinforcing rib plate 15 and a column cap 16.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the present invention will be further clearly and completely described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

As shown in fig. 1 to 5, a multifunctional positioning jig combined mold for drilling a top beam cap of a hydraulic support comprises a positioning frame and a jig frame.

The positioning frame comprises a rectangular bottom plate 1, a door-shaped frame 2 is fixed on the bottom plate 1 along the short central line of the bottom plate, the door-shaped frame 2 comprises two side plates, top plates are fixed on the tops of the two side plates, and the bottoms of the two side plates are fixed on the bottom plate 1 and are symmetrically arranged along the short central line of the bottom plate; a pressing plate 3 is arranged above the door-shaped frame 2, a positioning bolt 4 with a longer length penetrates through the pressing plate 3, and the bolt head of the positioning bolt 4 is clamped at a bolt through hole on the upper surface of the pressing plate 3; the screw end of the positioning bolt 4 penetrates through the top plate of the door-shaped frame 2 and then is in threaded connection with a limiting nut, and the limiting nut is positioned below the top plate; limiting clamping edges 5 are symmetrically fixed at positions, located on two sides of the door-shaped frame 2, on the bottom plate 1, and the limiting clamping edges 5 are arranged in parallel with the short middle line of the rectangular bottom plate 1; front and rear two limit angle steels 6 are fixed between the two sides of the door-shaped frame 2 and the corresponding limit clamping edges 5, namely the front limit angle steels 6 are two and are respectively arranged on the two sides of the front end of the door-shaped frame 2, the rear limit angle steels 6 are two and are respectively arranged on the two sides of the rear end of the door-shaped frame 2, and the two front limit angle steels 6 are both in threaded connection with clamping bolts 7; the position, which is positioned outside the limiting clamping edge 5, on the bottom plate 1 is provided with eight bolt fixing seats 8, each bolt fixing seat 8 is provided with four sides, and the four front ends and the two rear ends on the same side are distributed; the bolt fixing seat 8 is used for connecting a drilling mould frame, the bolt fixing seat 8 comprises a seat body 8-1, a clamping groove 8-2 used for vertically clamping a bolt is formed in the seat body 8-1, a top notch of the clamping groove 8-2 is reduced to form a clamping opening 8-3 used for clamping a bolt head, namely the connecting bolt can be inserted into the clamping groove 8-2 in a vertical mode that the bolt head faces downwards, and the bolt head is clamped at the clamping opening 8-3, so that the connecting bolt cannot be upwards pulled out and can be used for connecting and fixing the drilling mould frame.

The drilling mould frame comprises a rectangular base 9, sliding grooves 10 used for clamping the bolt fixing seat 8 are formed in two sides of the base 9, the number of the sliding grooves 10 is four, and each side is provided with a front sliding groove 10 and a rear sliding groove 10; a vertical supporting plate 11 is fixed on the base 9, a transverse supporting plate 12 is fixed at the top of the vertical supporting plate 11, and a guide sleeve 13 penetrating through the transverse supporting plate 12 is arranged at a position close to the end part; the vertical supporting plate 11 comprises an upper plate section and a lower plate section, a plurality of connecting through holes with different heights are formed in the upper plate section and the lower plate section, and any connecting through hole in the upper plate section is aligned with any connecting through hole in the lower plate section and then fixedly connected through a fastening bolt 14; reinforcing rib plates 15 are fixed between the vertical supporting plate 11 and the base 9 and between the vertical supporting plate 11 and the transverse supporting plate 12; the guide sleeve 13 is made of high-speed steel W18Cr4V, and is matched with the transverse support plate 12 by a medium positioning small clearance, so that the guide sleeve can be replaced after being worn. The vertical supporting plate 11 adopts a mode of porous connection of the upper and lower plate sections, so that the purpose of adjusting the height of the vertical supporting plate 11 can be achieved, and the vertical supporting plate is suitable for requirements of different heights; the sliding groove 10 formed in the base is a long sliding groove, and the position of the base in the horizontal left-right direction can be adjusted.

Use the utility model discloses when the mould was to cap processing round pin shaft hole, as shown in fig. 6, concrete step is as follows: 1) the method comprises the following steps that column caps 16 needing drilling are respectively arranged on a positioning frame, the bottom of each column cap 16 is arranged on a bottom plate 1 and clamped by a limiting clamping edge 5, the middle upper part of each column cap 16 is supported on a door-shaped frame 2, the top of each column cap 16 is arranged between a pressure plate 3 and the door-shaped frame 2, and the front side and the rear side of each column cap 16 are respectively clamped in front and rear limiting angle steels 6; after the column cap 16 is arranged, the front end and the rear end of the column cap 15 are clamped and fixed by adjusting the clamping bolt 7 on the front limiting angle steel 6, and then the pressing plate 3 is tightly clamped at the top of the column cap 16 by adjusting the position of the nut on the positioning bolt 4, so that the upper end and the lower end of the column cap 16 are fastened and fixed. 2) Fixing the drill jig frame on the positioning frame, specifically: the base 9 of the drilling jig frame is arranged on the base plate 1 of the positioning frame, so that the four bolt fixing seats 8 on the base plate 1 are respectively clamped in the four sliding grooves 10 on the base 9, then the left and right positions of the drilling jig frame and the height position of the drilling jig frame are adjusted according to the position of the column cap 16, so that the correct position of the guide sleeve 13 is determined, then the base 9 and the bolt fixing seats 8 are fixed together by bolts, namely, connecting bolts are clamped in clamping grooves 8-2 of the bolt fixing seats 8, so that the bolt heads are clamped at the clamping grooves 8-3, bolt rods extend upwards to be above the base 9, and then nuts are screwed on the bolt rods and fastened, so that the positioning frame, the drilling jig frame and the column cap 16 are accurately positioned and fixed. 3) And drilling can be carried out through the guide sleeve 13 multi-column cap by using a drilling machine.

The technical solutions in the embodiments of the present invention have been clearly and completely described above, and the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Claims

1. The utility model provides a drilling of hydraulic support back timber cap is with multi-functional location jig combination mould which characterized in that: comprises a positioning frame and a drilling jig frame;

the positioning frame comprises a bottom plate, a door-shaped frame is fixed on the bottom plate along the position of the short center line of the bottom plate, a pressing plate is arranged above the door-shaped frame, a positioning bolt penetrates through the pressing plate, and the screw end of the positioning bolt penetrates through the top plate of the door-shaped frame and is connected with a limiting nut in a threaded manner; limiting clamping edges which are arranged in parallel with the short central line of the door-shaped frame are symmetrically fixed at positions on the bottom plate, which are positioned at two sides of the door-shaped frame, a front limiting angle steel and a rear limiting angle steel are fixed between two sides of the door-shaped frame and the corresponding limiting clamping edges, and clamping bolts are connected to the front limiting angle steel in a threaded manner; a bolt fixing seat is arranged on the bottom plate and positioned outside the limiting clamping edge;

the drill jig frame comprises a base, sliding grooves used for clamping the bolt fixing seats are formed in two sides of the base, vertical supporting plates are fixed on the base, transverse supporting plates are fixed at the tops of the vertical supporting plates, and guide sleeves penetrating through the transverse supporting plates and the transverse supporting plates are installed at positions, close to the end portions, of the transverse supporting plates.

2. The multifunctional positioning drill jig combined clamping fixture for drilling the top beam cap and the column cap of the hydraulic support according to claim 1, is characterized in that: the bolt fixing seat is provided with a clamping groove for vertically clamping a bolt, and a top notch of the clamping groove is reduced to form a bayonet for clamping a bolt head.

3. The multifunctional positioning drill jig combined mould for drilling the top beam and the column cap of the hydraulic support according to claim 1 or 2 is characterized in that: the vertical supporting plate comprises an upper plate section and a lower plate section, a plurality of connecting through holes with different heights are formed in the upper plate section and the lower plate section, and any connecting through hole in the upper plate section is aligned with any connecting through hole in the lower plate section and then fixedly connected through a fastening bolt.

4. The multifunctional positioning drill jig combined mould for drilling the top beam and the column cap of the hydraulic support according to claim 1 or 2 is characterized in that: reinforcing rib plates are fixed between the vertical supporting plate and the rectangular base and between the vertical supporting plate and the transverse supporting plate.

5. The multifunctional positioning drill jig combined clamping fixture for drilling the top beam cap and the column cap of the hydraulic support according to claim 3, is characterized in that: reinforcing rib plates are fixed between the vertical supporting plate and the rectangular base and between the vertical supporting plate and the transverse supporting plate.

6. The multifunctional positioning drill jig combined mould for drilling the top beam and the column cap of the hydraulic support according to claim 1 or 2 is characterized in that: the guide sleeve is made of high-speed steel W18Cr 4V.