CN1059954A

CN1059954A - A kind of development machine

Info

Publication number: CN1059954A
Application number: CN91108970A
Authority: CN
Inventors: 约翰·豪厄特逊; 乔治·帕普乔治伍
Original assignee: Anderson Group PLC
Current assignee: Anderson Group PLC
Priority date: 1990-09-22
Filing date: 1991-09-21
Publication date: 1992-04-01
Anticipated expiration: 2006-09-21
Also published as: ZA917025B; GB2263120A; WO1992005339A1; CN1027827C; AU8528891A; GB9302811D0; GB9020701D0; GB2263120B

Abstract

A kind of development machine that has knife rest and be contained in knife rest front end cutterhead.The end face bolt fixed clamping device is installed on the knife rest.The top is fixed on the knife rest both sides to bolt fixed clamping device, and each device comprises a pedestal and pillar assembly.This assembly is fixed on the supporting member, and supporting member is installed in knife rest one side, is that a pillar and pedestal rotate between after-contraction position and preceding operating position with supporting member.The development machine that has the end face bolt fixed clamping device proposed by the invention can be worked in shorter tunnel.

Description

A kind of development machine

The present invention relates to a kind of development machine, the end face bolt fixed clamping device of using on particularly a kind of development machine with end face bolt fixed clamping device and this development machine.

As everyone knows, on cantilevered cutterhead development machine, the end face bolt fixed clamping device is housed, but, so far this end face bolt fixed clamping device is owing to be positioned on the development machine knife rest development machine end face afterwards, therefore, this end face bolt fixed clamping device can have such shortcoming: their position is too high, and can't use in short tunnel, and this device for fastening position is positioned at after the cutterhead out and away, makes that the distance of the bolt of forefront and face is long and dangerous.

Purpose of the present invention just is to overcome or reduce the shortcoming of above-mentioned prior art.

According to one embodiment of the invention, the present invention proposes a kind of cutterhead and is contained in the development machine on the knife rest and is installed in end face bolt fixed clamping device on the knife rest.Described end face bolt fixed clamping device comprises a pillar.This pillar can pivot between the operating position of stretching out knife rest in the other recovery position of knife rest;

And described end face bolt fixed clamping device comprises the pedestal of a lengthening.This pedestal with basically vertically arrangement form be contained on the knife rest, at its front end described pillar is housed, this pillar pivotally is contained on the described pedestal;

And described end face bolt fixed clamping device is installed on the described knife rest by supporting member, and described supporting member can reclaim between position and the preceding use location in the back in the position on the knife rest and adjust;

And pedestal is variable-length, also can rotates around its longitudinal axis, with the pillar of adjustment elongation and the angle between the vertical line;

And described end face bolt fixed clamping device is installed in the both sides of knife rest, and when reclaiming the position, the front end of device is positioned at cutterhead a bit of distance afterwards, and device can move forward to reduce this segment distance;

And when reclaiming the position, described device front end collapses and is close to the knife rest surface, and when being equipped with a side of described device, described device is unlikely the work of obstruction cutterhead with convenient blade holder turns;

In other words, the end face bolt fixed clamping device also can be positioned at the knife rest end face, and the front portion of device is in cutterhead a bit of distance afterwards when reclaiming the position, and device can move forward to reduce this segment distance;

And a pair of end face bolt fixed clamping device is installed in the knife rest end face abreast;

According to another embodiment of the invention, the end face bolt fixed clamping device comprises an adjustable length pedestal, an adjustable length pillar, with be the supporting member on the development machine that device is fixed on have knife rest and frame end cutterhead, the buttress pivot formula is connected said base one end, and is suitable for having screw is assigned device into the rock stratum.

And the above-mentioned supporting member that is used for installing the end face bolt fixed clamping device comprises a support that is contained in development machine knife rest side, one and is contained on the described support carriage and a substrate that can rotate around a vertical axes.Substrate is installed on the carriage, and can rotate around above-mentioned vertical axis, and the variable length pedestal has an installing rack that is used for fixing on substrate;

In other words, the supporting member that is used to install the end face bolt fixed clamping device comprises a platform that is slidingly mounted on development machine knife rest face, and above-mentioned end face bolt fixed clamping device is housed on the platform;

And supporting member is in order to connect power source, when device is fixed on the knife rest, rely on this power source, carriage can be moved, and makes described end face bolt pedestal, the pillar assembly moves between recovery position and operating position, or this each assembly is moved between recovery position and operating position.

Now, with reference to accompanying drawing, be that example is described the present invention in detail with the working of an invention situation, wherein:

Fig. 1 is a schematic side view of excavating the development machine (part) of subterranean tunnel according to one of the present invention, and the end face bolt fixed clamping device is installed on this development machine;

Fig. 2 is the schematic side view of the amplification of end face bolt fixed clamping device when reclaiming the position, but the pillar shown in scheming to go up is to be on the upright operating position;

Fig. 3 is the schematic top plan view of end face bolt fixed clamping device when the operating position that is contained on the development machine;

Fig. 4 is and the similar schematic top plan view of Fig. 3, but represents that the end face bolt fixed clamping device is in the recovery position; Fig. 5 is that the master of Fig. 1 looks schematic diagram;

Fig. 6 is the schematic side view that a kind of knife rest end face is equipped with the development machine (part) of end face bolt fixed clamping device;

Fig. 7 is the schematic top plan view of Fig. 6;

Fig. 8 is that the master who rises when straight when a pillar among Fig. 6 looks schematic diagram.

At first referring to Fig. 1-5.The bolt fixed clamping device of end face shown in the figure 5 is contained in the two sides of development machine M knife rest 6, cutterhead 7 is contained in the front end of knife rest 6, development machine is as shown in the figure excavating a tunnel, arched door prop up part 8 in this tunnel with a certain interval, for example 1 meter, vertically settle, prop up at adjacent arched door that bolt 9 is inserted in the top and sidewall in tunnel between the part.

By an operator 10(Fig. 5) the control development machine, operate a countertop spiral device for fastening separately by two operators (draw), there is one can be operator 10 in these two.

The end face bolt fixed clamping device includes the pedestal 11 of an adjustable length lengthening, the pillar 12 and the supporting member of a variable-length.The end face bolt tightening device 13 that has installation in parallel on the pillar 12, supporting member is to be used for the

assembly

11,12 of supporting base and pillar, and makes pedestal and

pillar assembly

11,12 reclaim in preceding equipment (Fig. 1) and back and to move between the position, and the structure of this supporting member will be described in more detail below.When preceding operating position, the front end of assembly is positioned at cutterhead 7 one sides, and pillar 12 can be vertically in the operating position, and when reclaiming the position, assembly 12 foldings come on the pedestal, and its front end is positioned at the rear portion of cutterhead.

Have in the pillar 12 a scalable part 12 ', this extensible member is driven by the jack 14 that is positioned at the pillar lower end, is provided with top cover 16 in pillar upper end 15, and this top cover is positioned at the lower end of end face bolt tightening device 13, motor 17 is installed in the lower end of end face bolt locker 13, bolt can be screwed into the rock stratum.

As shown in Figure 4, when reclaiming the position, pillar and

pedestal assembly

11,12 with the longitudinal centre line of knife rest 6 at angle, so that the front end of assembly is contracted in the rear portion of cutterhead 7, make knife rest 6 can rotate to outside extreme position like this, and can not make the end face bolt fixed clamping device 5 that is positioned at the knife rest side run into the sidewall in tunnel.

In Fig. 5, shown in pillar 12 be stand up position, the

label

11,14 and 17 that has an empty index line is represented corresponding part in addition respectively: pedestal 11, jack 14 and motor 17, at this moment, these parts are on the recovery position of device 5.

As description, supporting member is installed into the position that makes

assembly

11,12 can manually be placed " folding into " position or be parallel to knife rest.

Therefore, before end face bolt fixed clamping device 5 moved to the operating position, each assembly was moved into the operating position earlier.In the present embodiment, the operating position is parallel with knife rest, enters the operating position in case install 5, and then each pillar 12 is erected to the upright position by the operator, realizes the purpose of top dress bolt.And because lengthening pedestal 11 can rotate around its longitudinal axis, therefore, pillar 12 can be screwed into screw in the sidewall in tunnel by half-twist.

As shown in Figure 5, end face bolt 9A in a row is contained in the top.This operation is to put down knife rest 6 by jack 18, cutterhead 7 is rest on the ground after, two pillars are erected to the upright position finishes.Elongate struts 12 makes the top cover 16 that is positioned on the top 15 be pressed on tunnel roof, and and then two bolts device by separately screws in end face, then, and the pillar retraction.Jack 14(Fig. 5 then) knife rest with development machine rotates to another side, and pillar is taken to new position, repeats above-mentioned top bolt tightening process.

For end face bolt 9A is arranged on the cross shaft surface, promptly a kind of bolt position of orthoscopic is as mentioned below, can increase the length of pedestal 11, provides the meticulous adjustment of pillar position with this.

For seven end face bolts, adjust knife rest 6, (also adjustable if desired integral basis seat 11, so that each installs 3 top fastening bolts of each plug-in mounting, device centre bolt of plug-in mounting above the development machine center line.

Then, pillar 12 can be diverted the both sides in tunnel, assigns and horizontal plane bolt 9B at angle, in addition, flatly assigns bolt 9C.Knife rest can on lift so that the second couple of leveling screw 9D is inserted into bolt 9C top.

Now, the supporting member of end face bolt fixed clamping device once is described in more detail.

Support 20(Fig. 2) for being fixed on the knife rest side, device for fastening is provided with, it comprises that one is connected dull and stereotyped 21(Fig. 3 on the knife rest by screw vertically) and hollow cylinder boss 22(Fig. 5), when dull and stereotyped 21 were tightened on the knife rest, boss 22 was vertically placed.

L shaped carriage 23(Fig. 5) have hollow upright arm 24 and horizontal arm 25, upright arm 24 and boss 22 cooperate, and bearing pin 22A is positioned at carriage 23 is installed on the support 20.The hydraulic piston that is contained on the development machine links to each other with carriage 23 with hydraulic cylinder 26, so that carriage can rotate around bearing pin 22A.

Just as shown in Figure 3 and Figure 4, carriage horizontal arm 25 can around axle behind the transverse axis 45 ° forward preceding 45 ° of transverse axis to.

Horizontal arm 25(Fig. 3 of carriage 23) have a base plate 27 that is essentially rectangle above it, this base plate rotates around the vertical pivot pin 27A on the horizontal arm 25.

Base plate 27 is artificial to regulate rotationally, and when pillar and

pedestal assembly

11,12 are reclaiming between position and the operating position when mobile, lock pin 28 is to be used for base plate 27 is locked in that corresponding certain is locational with horizontal arm 25.

In the present embodiment, there are

lug

30 and 31 in horizontal arm 25 both sides, each lug is porose respectively 30 ', 31 ' (in modified, two lugs can combine form one have two holes 30 ', 31 ' single lug).

That base plate 27 has in its outside is one with holes 32 ' lug 32, place lock pin 28 for convenience, hole 32 ' with hole 30 ' or hole 31 ' be complementary, like this, carriage [23] is before (Fig. 3 and Fig. 4) between its front and back position rotates, lock pin 28 is removed, and after carriage 23 rotations are finished, lock pin 28 is inserted again.

As shown in Figure 2, pedestal and

pillar assembly

11,12 are installed on the base plate 27, bearing 11 have one with base plate 27 bolted substrates 35,3 semicircle ribs 36 are arranged on the substrate 35, their parts are around the cylindrical housings 37 of pedestal 11, housing 37 plays a part lining, and bearing required when being used for piston and

pressure cylinder

38,39 and doing to stretch out the housing motion is housed, the housing rear portion is extended with the case 40 of transmission device, transmission device promotes piston 38 and seesaws, and piston 38 and pressure cylinder 39 are rotated, and piston 38 drives can be around the support 41 of horizontal axis rotation, support 41 drives pillar 12 again, and fluid pressure line (not drawing) can seesaw and rotate piston 38.

On the knife rest of road development machine, the embodiment that is positioned at the end face bolt fixed clamping device of knife rest both sides illustrates, but this device also can be used on other mechanically, for example be installed on the continous way mining machinery in single or paired mode, in fact, if the pedestal 11 of device can further extend, make pedestal be positioned at the front of cutterhead 7, so only need a table apparatus, just can make pillar that each top bolt can be installed and can rotate 180 °, the bolt of installation both sides, tunnel.

Fig. 6-8 has showed an alternative embodiment of the invention, and its special design is adapted to arched tunnel, and in such tunnel, arched door props up the shape of part 8 ' (Fig. 8) can constrained side adorn the rotation of pillar towards vertical direction.

Therefore, in the present embodiment, the solid spiral shell device 5 of end face bolt ' the be mounted in top of development machine knife rest 6, and be installed in pedestal and

pillar assemblies

11,12 compositions on the supporting member by two cover parallel longitudinals ground.One supporting member has the platform 50(Fig. 8 that can slide on pair of L-shaped rails 51), guide rail 51 is fixed on the knife rest end face, platform has the flat board 52 of a clamping guide rail 51, pressure cylinder 53(Fig. 7 by a pair of extension arranged side by side), platform can move backward to and reclaim position (Fig. 6), moves forward to the operating position (shown in Fig. 6 dotted line) near the cutterhead 7 of knife rest 6.

As shown in Figure 8, are two flat boards 54 in the front portion of platform 50, dull and stereotyped 54 can be around vertically hinge axis 55 rotatable covers be on platform separately, and perhaps being deployed in the platform both sides becomes wing plate, as shown in Figure 7 with convenient operator when end face bolt tightening device is worked.A platform support 56 can be installed on the knife rest 6 as shown in Figure 6.

Two pedestals and

pillar assembly

11,12 are fixed on the platform 50, and wherein each is positioned at a side of a L shaped base plate 57, and pair of L-shaped base plate 57 is fixed on the platform both sides, and every base plate supports a pedestal 11.

As shown in Figure 6, each

assembly

11,12 respectively comprise the pedestal 11 of a variable length, as among the last embodiment, this pedestal includes shell 37 and a transmission device case 40 that extends back, and has a piston and a pressure cylinder 38 that extends forward in the

shell

37,39, this transmission device can make piston 38 make stretching motion, also piston 38 and pressure cylinder 39 are rotated.The support 41 that piston 38 drives at its front end, support 41 can rotate around horizontal axis, and drives the pillar 12 of variable length.Pillar 12 drives end face bolt tightening device 13.

Just as described in Figure 6, for reaching selected bolt position, pillar 12 can reclaim the position from level and turn over 110 ° (as scheming upward shown in the chain-dotted line 58).

When requiring that bolt is screwed into the rock stratum, knife rest 6 reduces, so that cutterhead 7 is placed on the ground.

When platform 56 is moved to its reach position, pillar is upgraded to the upright position, vacation if required, pillar 12 also can laterally change angle so that plug-in mounting and vertical direction have angle, for example 110 °, bolt or be arranged in shown in Fig. 8 chain-dotted

line

59,60 shortly past the upright position or be lower than the bolt of horizontal level slightly.

At first elongate struts makes it to be positioned at the position that holds out against tunnel roof or wall, operates end face bolt tightening device 13 then.

The reach position of platform makes pillar be positioned at cutterhead 7 rear portions just.As among the embodiment in front, knife rest 6 is promoted by jack 18 and when rotating, bearing 11 can stretch, and to adjust the position of end face bolt tightening device 13, realizes the linear fashion erection bolt.

In Fig. 8, shown in a pillar 12 be upright state, another is in and reclaims the position.Reclaiming position one side, the CD-ROM drive motor 17 of end face bolt tightening device 13 is positioned at the highest point of device for fastening, and still, pedestal 11 rotatable 90 °, arrow 61 an expression seat assembly reach 11,12 positions that are up to the standard, and at this moment, CD-ROM drive motor is positioned on the horizontal axis.

The end face bolt fixed clamping device can be used on the continous way mining machinery, and at this moment the end face bolt fixed clamping device may be contained in the knife rest end face.In modified, only need be provided with one, for example on guide rail, the end face bolt fixed clamping device that can laterally move from knife rest one side direction opposite side.

Claims

1, a kind of development machine, described development machine comprises cutterhead that is contained on the knife rest and the end face bolt fixed clamping device that is connected on the knife rest, it is characterized in that: described end face bolt fixed clamping device comprises a pillar, and this pillar can be from pivoting to the operating position of stretching out knife rest in the other recovery position of knife rest.

2, a kind of development machine as claimed in claim 1, it is characterized in that described end face bolt fixed clamping device has the pedestal of a lengthening, this pedestal with basically vertically arrangement form be arranged on the knife rest, at its front end described pillar is housed, this pillar pivotally is fixed on the described pedestal.

3, a kind of development machine as claimed in claim 1 or 2 is characterized in that, described end face bolt fixed clamping device is installed on the described knife rest by supporting member, and described supporting member can reclaim between position and the preceding operating position in the back in the position on the knife rest and adjust.

4, as claim 2 or 3 described a kind of development machines, it is characterized in that described pedestal is a variable-length.

5, as any one described a kind of development machine of claim 2 to 4, wherein feature is, described pedestal can rotate around its longitudinal axis, with the pillar of adjustment elongation and the angle between the vertical line.

6, as right 1 to 5 any one described a kind of development machine, it is characterized in that the end face bolt fixed clamping device is arranged on the knife rest both sides, when reclaiming the position, the front end of described device is positioned at a bit of distance after the knife rest, and device can move forward to reduce this segment distance.

7, a kind of development machine as claimed in claim 6 is characterized in that, when reclaiming the position, described device front end collapses near the knife rest surface, and when that side of described device was set, described device was unlikely the work of obstruction cutterhead with convenient blade holder turns.

8, any one described a kind of development machine in claim 1 to 5, it is characterized in that described end face bolt fixed clamping device is arranged on the knife rest top, when reclaiming the position, the front end of device for fastening is arranged on cutterhead a bit of distance afterwards, and device for fastening can move forward to reduce this segment distance.

9, a kind of development machine as claimed in claim 8 is characterized in that, a pair of end face bolt fixed clamping device is fixed on the knife rest end face.

10, a kind of end face bolt fixed clamping device, it is characterized in that, this device comprises an adjustable length pedestal, a telescopic pillar and described device is fixed on the supporting member on the development machine of the cutterhead that has knife rest and be positioned at frame end, described buttress pivot formula is connected an end of described pedestal, and is suitable for having screw is assigned device into the rock stratum.

11, a kind of end face bolt fixed clamping device as claimed in claim 10, it is characterized in that, the above-mentioned supporting member that is used for installing the end face bolt fixed clamping device comprises a support that is contained in development machine knife rest side, one is contained on the described support carriage and a substrate that can rotate around a vertical axes, substrate is installed on the carriage, and can rotate about above-mentioned vertical axis, telescopic pedestal has an installing rack that is used for fixing.

12, in a kind of end face bolt fixed clamping device as claimed in claim 10, it is characterized in that, the supporting member that is used to install the end face bolt fixed clamping device comprises a platform that is slidably mounted in development machine knife rest face, and above-mentioned end face bolt fixed clamping device is housed on the described platform.

13, as any one described a kind of development machine of claim 1 to 9, wherein, supporting member is in order to connect power source, when device is fixed on the knife rest, because of relying on this power source carriage to be moved, and described end face bolt pedestal and pillar assembly are moved between recovery position and operating position, or this each assembly is moved between recovery position and operating position.