CN206448808U - The colliery mechanical arm assembly of fluting - Google Patents

Abstract

The utility model discloses a kind of colliery mechanical arm assembly of fluting, installed in the rear of hauling machine, including reversing frame, the telescopic arm on reversing frame and the fluting equipment on telescopic arm telescopic end that the main backstop of the hauling machine car body extreme end of chassis, vertical direction are arranged on installed in secondary support frame, the reversing frame lifting jack that is set by vertical direction of the medium position of main backstop on secondary support frame are horizontally arranged in left-right direction；Equipment of slotting includes grooving tool revolution driving, L-type mounting bracket, grooving tool, one-level revolution driving and two-stage rotary driving, the axis of rotation fore-and-aft direction of grooving tool revolution driving is set, grooving tool includes circular saw and drill bit, and the center of circular saw and drill bit is equipped with quick-connect machanism.Fluting mechanical arm assembly in this colliery can ensure enough groove depths on the premise of enough fluting broken rock driving forces, larger working range is provided, and be particularly suitable for use in underground coal mine fluting operation.

Description

The colliery mechanical arm assembly of fluting

Technical field

The utility model is related to a kind of mechanical arm assembly, specifically a kind of groover suitable for underground coal mine fluting work Tool arm assembly, belongs to coal mine machinery technical field.

Background technology

Coal mine gob refers in the operation process of colliery, will underground coal or gangue etc. exploit after the completion of the sky that leaves Hole or cavity, because goaf has a substantial amounts of float coal left in process of coal mining, float coal exists for colliery spontaneous combustion There is provided goods and materials condition, colliery spontaneous combustion seriously threatens the safety in production in colliery, governs the production in colliery, and goaf colliery Spontaneous combustion occupies goaf colliery spontaneous combustion in part and parcel, China's State owned coal mine in totality occurs for colliery spontaneous combustion and accounts for spontaneous combustion The 60% of fire, wherein most fire are that have to leak out caused, reinforcement prevents effective control colliery to heterogeneous goaf The generation of fire.

It is to construct one between goaf and Fu Yun lanes to block up closed wall to prevent from leaking out under normal circumstances, and in order to ensure Sealing effectiveness, it usually needs excavate a groove on the rib in connection lane, closed wall by the recess-mounted in rib with Realize better seal effect between goaf and Fu Yun lanes.

Because coal mine down-hole tunnel narrow space, working range are limited, working environment badly, therefore is opened on rib at present Groove is generally completed by setting up shelf progress high-altitude manual work, and not only labor intensity is big, operating efficiency is low, and ascends a height Operation has higher work safety hidden danger, simultaneously as the problem of artificial working sense of responsibility, the groove outputed is in length, width It is generally difficult to meet the size of seal request on degree, depth, so that in the presence of potential safety hazard of leaking out；In addition, big produced by fluting Amount cinder needs to transport by artificial loading, further increases the labor intensity of workmen.

Underground coal mine Special-purpose grooving machine is had in the prior art, can carry out the fluting of rib, but function is single, equipment Utilization rate is not high, and opened by the roll structure fluting equipment work head similar to pavement milling machine milling head Groove, the work head of this structure can a wider area of milling rib, but to reach that groove depth usually requires use The milling cylinder of large-size, not only causes volume increase, is not suitable for narrow tunnel, and larger size to drive Power increase, plant capacity accordingly increase, but less space mounting size and larger driving power, wider working face In the case that product forms and there is hard rock in contradiction, particularly coal seam or top plate, bottom plate, enough driving forces can not be often provided, And then produce the situation of " gnawing motionless ", still need to manually broken adopt.

The content of the invention

In view of the above-mentioned problems of the prior art, the utility model provides a kind of colliery mechanical arm assembly of fluting, energy It is enough to ensure enough on the premise of enough fluting broken rock driving forces, less overall dimensions, larger working range are provided Groove depth, the labor intensity for reducing workmen, are particularly suitable for use in underground coal mine fluting operation.

This colliery is arranged on the rear of hauling machine, including main backstop, secondary support frame, revolution with the mechanical arm assembly of fluting Frame, telescopic arm and fluting equipment；

Described main backstop is horizontally arranged at the rear end of the chassis of vehicle body of hauling machine, the two of main backstop in left-right direction End is provided with the telescopic support legs being vertically arranged；

Described secondary support frame vertical direction is arranged on the medium position of main backstop；

The reversing frame lifting jack that described reversing frame is set by vertical direction is installed with secondary support frame and is connected and returns Guiding slipping mechanism is provided between pivoted frame and secondary support frame, reversing frame includes revolving support and revolution driving；

Described telescopic arm includes basic arm and the flexible joint arm of at least one section, and basic arm is fixedly mounted on the revolution of reversing frame In support and radial direction of the telescopic direction along the revolving support of reversing frame of flexible joint arm is set, joint arm of stretching socket is installed Inside basic arm and flexible joint arm is connected by telescopic arm telescopic jack with basis arm；

Described fluting equipment includes grooving tool revolution driving, L-type mounting bracket, grooving tool, one-level revolution drive The driving of dynamic and two-stage rotary；Grooving tool revolution driving is fixedly mounted on L-type mounting bracket and grooving tool revolution driving is returned Shaft axis fore-and-aft direction is set；L-type mounting bracket is provided with hydraulic tongs；Grooving tool includes circular saw and drill bit, circular saw and brill The center of head is equipped with quick-connect machanism；L-type mounting bracket is installed with the end of flexible joint arm by one-level revolution driving and is connected, The axis of rotation vertical direction of one-level revolution driving is set, and the rotary output shaft of one-level revolution driving is fixed with L-type mounting bracket to be connected Connect；Two-stage rotary driving rotary output shaft be fixedly connected with the body of one-level revolution driving, two-stage rotary driving body and The end of flexible joint arm is installed by connection.

As further improvement of the utility model scheme, described telescopic support legs are bi-directional expansion hydraulic cylinders.

As further improvement of the utility model scheme, the position of grooving tool is corresponded to also on described L-type mounting bracket Provided with coolant nozzle.

Compared with prior art, the grooving tool revolution driving of this colliery fluting equipment of the mechanical arm assembly of fluting It is fixedly mounted on L-type mounting bracket and connection and grooving tool revolution driving is installed by the end of L-type mounting bracket and telescopic arm Axis of rotation fore-and-aft direction set, and grooving tool includes circular saw, circular saw and passes through quick-connect machanism and grooving tool The rotary output shaft connection of revolution driving, due to the width of the relatively existing groover roll arrangement works head of the thickness of circular saw Spend that size is much smaller, therefore circular saw incision rib or the reaction force being subject to during palisades are relatively much smaller in grooving process, enter Without very big driving force, the situation of " gnawing motionless " will not be produced, so as in less installing space and installation chi Realized on the premise of very little and enough driving forces are provided；Due to being cut using circular saw to rib or palisades, therefore by closing Reason sets the diameter dimension of circular saw to meet the requirement of groove depth, easy to use；Because reversing frame passes through vertical direction The reversing frame lifting jack of setting is installed with secondary support frame and be connected, therefore cuts the rib or palisades of vertical wall in progress During control telescopic arm extend out to after setting length can the lifting of only control reversing frame lifting jack can be achieved along perpendicular Straight wall face is continuously cut up and down, without using the revolution driving for controlling reversing frame and the side of telescopic arm telescopic jack co-operating Formula, and then realize the complexity of reduction control operation；Because fluting equipment also includes one-level revolution driving, grooving tool Also include drill bit, and the axis of rotation vertical direction of one-level revolution driving is set, therefore when completing cutting for rib or palisades otch Circular saw can be replaced by the rock mass inside drill bit cross-notching pit after cutting to carry out drilling operation to ensure inside fluting pit Rock mass smoothly comes off；Driven because fluting equipment also includes two-stage rotary, and before and after the axis of rotation of two-stage rotary driving Direction is set, one-level revolution driving is driven to install with the end of telescopic arm by two-stage rotary and is connected, therefore can make fluting work Rotary oscillation is to realize that no dead angle is cut above and below the axis of rotation that tool revolution driving drives along two-stage rotary, and then realizes larger Working range, is particularly suitable for use in underground coal mine fluting operation.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is Fig. 1 top view；

Fig. 3 is Fig. 1 right view.

Sequence number and title in figure：1st, hauling machine, 2, main backstop, 21, telescopic support legs, 3, secondary support frame, 4, reversing frame, 5th, telescopic arm, 51, basic arm, 52, telescopic arm, 6, fluting equipment, 61, grooving tool revolution driving, 62, L-type mounting bracket, 63rd, grooving tool, 64, one-level revolution driving, the driving of 65 two-stage rotaries.

Embodiment

The utility model is described further below in conjunction with the accompanying drawings.

As shown in Figure 1 to Figure 3, this colliery is arranged on the rear of hauling machine 1 with the mechanical arm assembly of fluting.

This fluting machinery arm assembly includes main backstop 2, secondary support frame 3, reversing frame 4, telescopic arm 5 and fluting equipment 6。

Described main backstop 2 is horizontally arranged at the rear end of the chassis of vehicle body of hauling machine 1, main backstop 2 in left-right direction Two ends be provided with the telescopic support legs 21 that are vertically arranged, operation telescopic support legs 21 are allowed to stretching and are supported in bottom plate before fluting operation On can increase fluting operation when complete machine stability.

The described vertical direction of secondary support frame 3 is arranged on the medium position of main backstop 2.

The reversing frame lifting jack that described reversing frame 4 is set by vertical direction installed with secondary support frame 3 be connected and Guiding slipping mechanism is provided between reversing frame 4 and secondary support frame 3, reversing frame 4 includes revolving support and revolution driving, and revolution is driven It is dynamic that pivot of the revolving support along reversing frame 4 can be driven to be rotated in the range of 360 °.

Described telescopic arm 5 includes basic arm 51 and the flexible joint arm 52 of at least one section, and basic arm 51 is fixedly mounted on revolution On the revolving support of frame 4 and the radial direction of revolving support of the telescopic direction along reversing frame 4 of flexible joint arm 52 is set, stretch The socket of joint arm 52 is arranged on inside basic arm 51 and flexible joint arm 52 is connected by telescopic arm telescopic jack with basic arm 51.

Described fluting equipment 6 includes grooving tool revolution driving 61, L-type mounting bracket 62, grooving tool 63, one-level Revolution driving 64 and two-stage rotary driving 65；Grooving tool revolution driving 61 is fixedly mounted on L-type mounting bracket 62 and work of slotting The axis of rotation fore-and-aft direction for having revolution driving 61 is set；L-type mounting bracket 62 is provided with hydraulic tongs；Grooving tool 63 includes disk The center of saw and drill bit, circular saw and drill bit is equipped with quick-connect machanism, and circular saw and drill bit can be respectively by quickly connecting Mechanism is connected with the rotary output shaft of grooving tool revolution driving 61；L-type mounting bracket 62 is by one-level revolution driving 64 with stretching Connection is installed in the end of joint arm 52, and the axis of rotation vertical direction of one-level revolution driving 64 is set, time of one-level revolution driving 64 Transfer shaft to be fixedly connected with L-type mounting bracket 62, by controlling the revolution of one-level revolution driving 64 to realize L-type mounting bracket 62 Along 90 ° of upsets of axis of rotation fore-and-aft direction of one-level revolution driving 64, and then realize the gyroaxis of grooving tool revolution driving 61 Line is transformed to left and right directions by fore-and-aft direction；The rotary output shaft of two-stage rotary driving 65 is consolidated with the body of one-level revolution driving 64 Fixed connection, the body of two-stage rotary driving 65 is installed with the end of flexible joint arm 52 and is connected, by controlling two-stage rotary to drive 65 Revolution can realize L-type mounting bracket 62 along two-stage rotary drive 65 axis of rotation swing up and down；Due to the thickness of circular saw Size is small with respect to the width dimensions of roll arrangement works head, therefore circular saw cuts what is be subject to when rib or palisades in grooving process Reaction force is smaller, need not too big driving force.

This colliery is in complete with slot mechanical arm assembly telescopic support legs 21 and telescopic arm 5 when without fluting work Retraction state, the revolution driving rotation of controllable reversing frame 4 makes telescopic arm 5 in vertical state to prevent the telescopic arm of longer dimension 5 bring inconvenience in the traveling process of hauling machine 1.

It is first that this colliery is vertical just right with the fluting equipment 6 of the mechanical arm assembly of fluting when needing to carry out fluting work The rib or palisades that need to be slotted, which are stuck in, to be needed to operate telescopic support legs 21 to make it stretch out firm be supported on bottom plate after slotting position； Start grooving tool revolution driving 61, the output shaft of grooving tool revolution driving 61 drives circular saw to rotate at a high speed, controlled simultaneously The revolution driving of reversing frame 4 selects suitable entrance angle and controls the action of telescopic arm telescopic jack to stretch out flexible joint arm 52, The plate edge of circular saw is pressed close to and cut from suitable orientation rib or palisades, continues to control the action of telescopic arm telescopic jack Circular saw is set to cut rib or palisades to set depth；Then the lifting of control reversing frame lifting jack makes circular saw along vertically Wall moves up and down continuous cutting, the angular position time control between the rib or palisades that is cut to top plate or bottom plate and need to slot The revolution of two-stage rotary driving 65 processed makes the revolution that L-type mounting bracket 62 drives grooving tool revolution driving 61 to drive 65 along two-stage rotary Axis is swung up and down, and is carried out while Collaborative Control telescopic arm telescopic jack is stretched out without dead angle cutting；Complete cutting for otch Continue to cut another otch after one step pitch of stepping forward or backward after cutting, until completing all otch in the range of groove width Cutting；Then circular saw is replaced by drill bit, the revolution of control one-level revolution driving 64 makes returning for grooving tool revolution driving 61 Shaft axis are transformed to left and right directions by fore-and-aft direction, are then again started up grooving tool revolution driving 61, and grooving tool revolution is driven Dynamic 61 output shaft drives drilling bit high-speed rotary, while controlling the revolution driving of reversing frame 4 to select suitable entrance angle and control The action of telescopic arm telescopic jack stretches out flexible joint arm 52, after the orientation cutting that drill bit is adapted to certainly in the range of groove width Coal body or rock mass are pressed close to and pierced, and continue to control the action of telescopic arm telescopic jack drill bit is pierced rib or palisades to setting depth Continue to drill through another drilling after degree, spacing dimension one step pitch of skew for completing rationally keyhole after a drilling, until Complete drillings all in the range of groove width；Finally control revolution driving, the telescopic arm flexible thousand of telescopic arm 5 of reversing frame 4 Jin top, one-level revolution driving 64 and two-stage rotary driving 65 make the jaw of hydraulic tongs on L-type mounting bracket 62 just pair and clamped Connection coal body or rock mass between each drilling, then controlling hydraulic pressure to clamp together the connection coal body or rock mass finished between destruction drilling makes it Come off.

Complete machine is more stable during in order to realize the more firm support effect of telescopic support legs 21 and then guarantee fluting operation, makees For further improvement of the utility model scheme, described telescopic support legs 21 are bi-directional expansion hydraulic cylinders, double during fluting operation Complete machine is more stable when being respectively supported to telescopic hydraulic cylinder two ends on top plate and bottom plate, and then realizing fluting operation.

In order to realize the cooling of depositing dust and cross-notching instrument 63 in grooving process, further change as of the present utility model The position for entering correspondence grooving tool 63 on scheme, described L-type mounting bracket 62 is additionally provided with coolant nozzle, is sprayed in vaporific or column The coolant gone out directly cross-notching instrument 63 can be cooled down, while realizing the purpose of depositing dust.

The grooving tool revolution driving 61 of the fluting equipment 6 of the mechanical arm assembly of this colliery fluting is fixedly mounted on L Installed on type mounting bracket 62 and with the end of flexible joint arm 52 and be connected and grooving tool revolution driving 61 by L-type mounting bracket 62 Axis of rotation fore-and-aft direction set, and grooving tool 63 include circular saw, circular saw pass through quick-connect machanism with fluting work Has the rotary output shaft connection of revolution driving 61, due to the relatively existing groover roll arrangement works head of the thickness of circular saw Width dimensions it is much smaller, therefore circular saw incision rib or the reaction force being subject to during palisades are relatively small very in grooving process It is many, enter without very big driving force, the situation of " gnawing motionless " will not be produced, so as in less installing space and peace Realized on the premise of filling size and enough driving forces are provided；Due to being cut using circular saw to rib or palisades, thus it is logical Cross and rationally set the diameter dimension of circular saw to meet the requirement of groove depth, it is easy to use；Because reversing frame 4 is by vertical The reversing frame lifting jack that direction is set is installed with secondary support frame 3 and is connected, thus progress cut vertical wall rib or Controlling telescopic arm 5 to extend out to after setting length during palisades only can control the lifting of reversing frame lifting jack can be real Now continuously cut up and down along vertical wall, without using revolution driving and telescopic arm the telescopic jack collaboration for controlling reversing frame 4 The mode of action, and then realize the complexity of reduction control operation；Because fluting equipment 6 also includes one-level revolution driving 64th, grooving tool 63 also includes drill bit, and the axis of rotation vertical direction of one-level revolution driving 64 is set, therefore when completion rib Or the rock mass that can be replaced by circular saw after the cutting of palisades otch inside drill bit cross-notching pit carries out drilling operation to ensure Rock mass inside fluting pit smoothly comes off；Because fluting equipment 6 also includes two-stage rotary driving 65, and two-stage rotary drives Dynamic 65 axis of rotation fore-and-aft direction is set, one-level revolution driving 64 passes through two-stage rotary driving 65 and the end of flexible joint arm 52 Install connection, therefore can make grooving tool revolution driving 61 along two-stage rotary drive 65 axis of rotation above and below rotary oscillation with Realize without dead angle cutting, and then realize larger working range, be particularly suitable for use in underground coal mine fluting operation.

Claims (3)

1. a kind of colliery mechanical arm assembly of fluting, installed in hauling machine（1）Rear, it is characterised in that including main backstop （2）, secondary support frame（3）, reversing frame（4）, telescopic arm（5）With fluting equipment（6）；

Described main backstop（2）Hauling machine is horizontally arranged in left-right direction（1）Chassis of vehicle body rear end, main backstop （2）Two ends be provided with the telescopic support legs that are vertically arranged（21）；

Described secondary support frame（3）Vertical direction is arranged on main backstop（2）Medium position；

Described reversing frame（4）The reversing frame lifting jack and secondary support frame set by vertical direction（3）Install connection and Reversing frame（4）With secondary support frame（3）Between be provided with guiding slipping mechanism, reversing frame（4）Including revolving support and revolution driving；

Described telescopic arm（5）Including basic arm（51）The flexible joint arm of at least one section（52）, basic arm（51）It is fixedly mounted on Reversing frame（4）Revolving support on and flexible joint arm（52）Telescopic direction along reversing frame（4）Revolving support radial direction Set, joint arm of stretching（52）Socket is arranged on basic arm（51）Internal and flexible joint arm（52）Pass through telescopic arm telescopic jack With basic arm（51）Connection；

Described fluting equipment（6）Including grooving tool revolution driving（61）, L-type mounting bracket（62）, grooving tool（63）、 One-level revolution driving（64）With two-stage rotary driving（65）；Grooving tool revolution driving（61）It is fixedly mounted on L-type mounting bracket （62）Upper and grooving tool revolution driving（61）Axis of rotation fore-and-aft direction set；L-type mounting bracket（62）It is provided with hydraulic pressure Pincers；Grooving tool（63）Including circular saw and drill bit, the center of circular saw and drill bit is equipped with quick-connect machanism；L-type is installed Frame（62）Pass through one-level revolution driving（64）With flexible joint arm（52）End install connection, one-level revolution driving（64）Revolution Axis vertical direction is set, one-level revolution driving（64）Rotary output shaft and L-type mounting bracket（62）It is fixedly connected；Two-stage rotary Driving（65）Rotary output shaft and one-level revolution driving（64）Body be fixedly connected, two-stage rotary driving（65）Body with Flexible joint arm（52）End install connection.

2. the colliery according to claim 1 mechanical arm assembly of fluting, it is characterised in that described telescopic support legs（21） It is bi-directional expansion hydraulic cylinder.

3. the colliery according to claim 1 mechanical arm assembly of fluting, it is characterised in that described L-type mounting bracket（62） Upper correspondence grooving tool（63）Position be additionally provided with coolant nozzle.