CN214330613U - Frame lifting mechanism of mining and sawing machine for mine cave - Google Patents

Abstract

The utility model relates to a mine hole is adopted frame elevating system of saw-cutting machine, be equipped with running gear's lower frame and the last frame of locating the lower frame top including the bottom, be connected with between the bottom of going up the frame and the top of lower frame and cut fork lifting unit, cut fork lifting unit and include two pairs of scissors fork lifting arm group and the perpendicular lead screw lifting unit who locates between two pairs of scissors fork lifting arm group that bilateral symmetry distributes, lead screw lifting unit contains the lift lead screw and the worm gear reducer that are connected, the vertical top surface middle part of installing in the lower frame of lift lead screw, worm gear reducer's base is fixed in last frame bottom. The utility model adopts the split type frame, the upper frame and the lower frame can be disassembled during transportation, thereby improving the convenience of transportation; meanwhile, a scissor lifting assembly is arranged between the upper frame and the lower frame, so that the height of the whole frame can be conveniently adjusted, the centering adjustment is convenient during field excavation, and the stability is good.

Description

Frame lifting mechanism of mining and sawing machine for mine cave

The technical field is as follows:

the utility model relates to a mine hole is adopted frame elevating system of sawing machine.

Background art:

when mining in a mine cave, drilling is needed firstly, and then rope sawing and cutting are needed. The frame of equipment is adopted in current mine cavern formula structure as an organic whole usually, and highly higher, this not only leads to the equipment transportation inconvenient, excavates the in-process on the scene moreover, when needs adjustment drilling position, and the frame height is too high can lead to the centering adjustment unstable moreover, and then makes the centering adjustment inconvenient.

The utility model has the following contents:

the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a frame elevating system of sawing machine is adopted in mine hole is provided, and is rational in infrastructure, not only makes things convenient for the transportation of equipment, and centering adjustment is convenient when making on-the-spot excavation moreover.

In order to realize the purpose, the utility model discloses a technical scheme is: a frame lifting mechanism of a mine cave mining sawing machine comprises a lower frame and an upper frame, wherein a walking mechanism is arranged at the bottom of the lower frame, the upper frame is arranged above the lower frame, and a scissor lifting assembly is connected between the bottom of the upper frame and the top of the lower frame.

Furthermore, the scissor lifting assembly comprises two pairs of scissor lifting arm groups which are symmetrically distributed left and right and a lead screw lifting assembly vertically arranged between the two pairs of scissor lifting arm groups, the lead screw lifting assembly comprises a lifting lead screw and a worm gear reducer which are connected, the lifting lead screw is vertically arranged in the middle of the top surface of the lower rack, and a base of the worm gear reducer is fixed at the bottom of the upper rack.

Furthermore, each pair of scissors lifting arm sets comprises two scissors lifting arms which are distributed at intervals from front to back, each scissors lifting arm comprises a first scissors arm and a second scissors arm which are arranged in a crossed mode and hinged to the middle portion, the lower end of each first scissors arm is hinged to the top of the lower rack, the upper end of each first scissors arm is connected with the bottom of the upper rack in a sliding mode in the front-back direction, the upper end of each second scissors arm is hinged to the bottom of the upper rack, and the lower end of each second scissors arm is connected with the top of the lower rack in a sliding mode in the front-back direction.

Furthermore, the walking mechanism comprises a rigid chain, a walking chain wheel and a walking motor, the walking motor is fixedly arranged at the bottom in the lower rack, and the output end of the walking motor is connected with the walking chain wheel; the rigid chain is transversely arranged, and a plurality of rollers matched with the walking chain wheel are distributed on the rigid chain at intervals along the front and back directions.

Further, guide rods are arranged on the left side and the right side of the rigid chain in parallel; and walking rollers capable of rolling along the guide rods are respectively arranged on the periphery of the bottom surface of the lower rack.

Furthermore, the left and right ends of the upper frame, the left and right ends of the upper portion of the lower frame, and the left and right ends of the lower portion of the lower frame are connected with a drilling and sawing assembly through two telescopic arms, each telescopic arm comprises a transmission case, a fixed pipe connected with the transmission case, and a telescopic pipe sleeved in the fixed pipe, a screw rod is installed in the gear case, the outer end of the screw rod extends into the fixed pipe, a nut is installed on the screw rod, the nut is fixedly connected with the telescopic pipe, a bevel gear A is installed at the inner end of the screw rod, an input shaft perpendicular to the screw rod is installed in the transmission case, a bevel gear B in meshing transmission with the bevel gear A is installed on the input shaft, and one end of the input shaft extends out of the transmission case; two flexible arms drive synchronous flexible through the driving piece, the driving piece is including the flexible motor, the reduction gear that connect gradually, and the both ends output shaft of reduction gear is respectively through the input shaft transmission of connecting axle and homonymy.

Furthermore, a mounting hole vertical to the fixed tube is arranged on the peripheral side of the outer end of the fixed tube, the mounting hole is communicated with the inside of the fixed tube, a tangential clamping mechanism is arranged in the mounting hole, the tangential clamping mechanism comprises a shaft body, one end of the shaft body extends out of the mounting hole and is provided with a handle, the shaft body is provided with external threads, auxiliary clamping sleeves are symmetrically arranged on the shaft body, one clamping sleeve is in threaded fit with the shaft body through a threaded hole on the clamping sleeve, the other clamping sleeve is sleeved on the shaft body through a through hole on the clamping sleeve, the outer end of the clamping sleeve abuts against a shaft shoulder of the shaft body, a key groove is formed in the periphery of the clamping sleeve in the axial direction, a screw used for limiting and guiding the clamping sleeve is mounted on the fixed pipe, the inner end of the screw is located in the key groove, the inner end of the clamping sleeve abuts against the telescopic clamping pipe, a clamping groove portion matched with the outer diameter of the telescopic pipe is formed in the periphery of the inner end of the clamping sleeve, and the clamping sleeve is in sliding fit with the mounting hole.

Furthermore, the outer end of the input shaft is sleeved with a spline sleeve, and splines are arranged at the outer end of the input shaft, and at the connecting end of the connecting shaft and the input shaft.

Furthermore, the nut is locked at the lower end of the telescopic pipe through a screw.

Compared with the prior art, the utility model discloses following effect has: the utility model adopts the split type frame, the upper frame and the lower frame can be disassembled during transportation, thereby improving the convenience of transportation; meanwhile, a scissor lifting assembly is arranged between the upper frame and the lower frame, so that the height of the whole frame can be conveniently adjusted, the centering adjustment is convenient during field excavation, and the stability is good.

Description of the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

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

fig. 3 is a schematic perspective view of an upper frame in an embodiment of the present invention;

fig. 4 is a schematic view of a usage state of the embodiment of the present invention;

fig. 5 is a schematic view of another usage state of the embodiment of the present invention;

fig. 6 is a schematic structural view of a telescopic arm in an embodiment of the present invention;

fig. 7 is a schematic view of the structure of a clamping member in an embodiment of the present invention.

In the figure:

124-telescopic arm; 125-a transmission case; 126-a stationary tube; 127-telescoping tube; 128-a screw rod; 129-nut; 130-bevel gear a; 131-an input shaft; 132-bevel gear B; 134-telescoping motor; 135-a reducer; 136-a connecting shaft; 137-spline housing; 138-mounting holes; 139-shaft body; 140-a handle; 141-a clamping sleeve; 141 a-screw; 142-lower frame; 143-upper frame; 144-a running gear; 145-scissor lift assembly; 146-a lifting screw rod; 147-worm gear reducer; 148-a first scissor arm; 149-a second scissor arm; 150-a connecting rod; 151-rigid chain; 152-a walking sprocket; 153-a walking motor; 154-a roller; 155-a guide rod; 156-a drilling assembly; 157-a sawing assembly; 158-rollers; 159-stone body.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-3, the utility model relates to a mine hole is adopted frame elevating system of sawing machine, be equipped with running gear 144's lower frame 142 and locate the upper frame 143 of lower frame 142 top including the bottom, the upper frame is relatively independent with the lower frame, be connected with between the bottom of upper frame 143 and the top of lower frame 142 and cut fork lifting unit 145, utilize the lift adjustment of cutting fork lifting unit to distance between the upper and lower frame to this altitude mixture control that has realized whole frame. By adopting the split type frame, the upper frame and the lower frame can be disassembled during transportation, so that the convenience of transportation is improved; meanwhile, a scissor lifting assembly is arranged between the upper frame and the lower frame, when the drilling position is changed, the upper frame is descended by a certain height, the subsequent centering adjustment can be more stable, and the convenience of adjustment is improved.

In this embodiment, the scissor lifting assembly 145 includes two pairs of scissor lifting arm sets symmetrically distributed left and right and a lead screw lifting assembly vertically arranged between the two pairs of scissor lifting arm sets, the lead screw lifting assembly is a worm screw lifter in the prior art, and structurally includes a lifting lead screw 146 and a worm gear reducer 147 connected with each other, the lifting lead screw 146 is vertically installed in the middle of the top surface of the lower rack 142, a base of the worm gear reducer 147 is fixed at the bottom of the upper rack 143, the worm gear reducer vertically moves along the lifting lead screw during operation, and the base of the worm gear reducer is fixedly connected with the upper rack, so that the worm gear reducer can drive the upper rack to move synchronously, and the two pairs of scissor lifting arm sets play a role in guiding and supporting the movement of the upper rack, thereby realizing the lifting of the upper rack and facilitating the adjustment of the height of the whole rack.

In this embodiment, each pair of scissor lifting arm sets includes two scissor lifting arms spaced apart from each other in the front-rear direction, each scissor lifting arm includes a first scissor arm 148 and a second scissor arm 149 that are disposed in an intersecting manner and are hinged to each other at the middle portions, the lower end of the first scissor arm 148 is hinged to the top of the lower frame 142, the upper end of the first scissor arm 148 is slidably connected to the bottom of the upper frame 143 in the front-rear direction, the upper end of the second scissor arm 149 is hinged to the bottom of the upper frame 143, and the lower end of the second scissor arm 149 is slidably connected to the top of the lower frame 142 in the front-rear direction. It should be noted that, in order to realize that the upper end of the first scissor arm is slidably connected with the bottom of the upper frame, the left and right ends of the bottom of the upper frame are respectively provided with a sliding groove extending along the front-back direction, the upper end of the first scissor arm is connected with a bolt-type roller needle bearing, the bolt-type roller needle bearing extends into the sliding groove and is in sliding fit with the sliding groove, and the sliding connection structure between the lower end of the second scissor arm and the lower frame is also the same, which is not repeated herein.

In this embodiment, in order to improve the structural strength of the whole scissor lifting assembly, a connecting rod 150 is connected between the middle portions of the two scissor lifting arms corresponding to the left and right positions.

In this embodiment, the traveling mechanism 144 includes a rigid chain 151, a traveling sprocket 152, and a traveling motor 153, the traveling motor 153 is fixedly installed at the bottom of the lower frame 142, and an output end of the traveling motor 153 is connected to the traveling sprocket 152; the rigid chain 151 is transversely disposed, and a plurality of rollers 154 for cooperating with the traveling sprocket 152 are spaced from each other along the front-rear direction of the rigid chain 151. Further, in order to improve the walking smoothness, guide rods 155 are arranged on the left side and the right side of the rigid chain 151 in parallel; and walking rollers 158 capable of sliding along the guide rods 155 are respectively installed on the periphery of the bottom surface of the lower frame 142.

In this embodiment, the left and right ends of the upper frame 143, the left and right ends of the upper portion of the lower frame 142, and the left and right ends of the lower portion of the lower frame 142 are connected to the drilling and sawing assembly through two telescopic arms 124; it should be noted that the drill sawing assembly includes separate drill assembly 156 and sawing assembly 157.

In this embodiment, as shown in fig. 6-7, the telescopic arm 124 includes a transmission box 125, a fixed tube 126 connected to the transmission box, and a telescopic tube 127 sleeved in the fixed tube, a lead screw 128 is installed in the gear box, the outer end of the lead screw extends into the fixed tube, a nut 129 is installed on the lead screw, the nut is connected and fixed to the telescopic tube, a bevel gear a130 is installed at the inner end of the lead screw, an input shaft 131 perpendicular to the lead screw is installed in the transmission box, a bevel gear B132 engaged with the bevel gear a for transmission is installed on the input shaft, and one end of the input shaft extends out of the transmission box; two flexible arms drive synchronous flexible through the driving piece, the driving piece is including installing flexible motor 134, the reduction gear 135 in the frame and connecting gradually, and the both ends output shaft of reduction gear is respectively through the input shaft transmission of connecting axle 136 with the homonymy. This flexible arm simple structure, reasonable in design, two flexible arms drive synchronous flexible regulation through the driving piece, adjust that the precision is good, efficient.

In this embodiment, a mounting hole 138 perpendicular to the fixing tube is formed on the periphery of the outer end of the fixing tube 126, the mounting hole communicates with the inside of the fixing tube, a tangential clamping mechanism is installed in the mounting hole, the tangential clamping mechanism includes a shaft body 139, one end of the shaft body extends out of the mounting hole and is provided with a handle 140, an external thread is formed on the shaft body 139, a pair of clamping sleeves 141 are symmetrically installed on the shaft body, one clamping sleeve 141 is in threaded fit with the shaft body 139 through a threaded hole thereof, the other clamping sleeve 141 is sleeved on the shaft body 139 through a through hole thereof, the outer end of the clamping sleeve abuts against a shaft shoulder of the shaft body, a key groove is axially formed on the periphery of the clamping sleeve 139, a screw 141a for limiting and guiding the clamping sleeve is installed on the fixing tube, the inner end of the screw 141 is located in the key groove, the inner end of the clamping sleeve abuts against the clamping sleeve, a clamping groove portion adapted to the outside of the telescopic tube is formed on the outer end of the telescopic tube, the clamping sleeve is in sliding fit with the mounting hole.

In this embodiment, the outer end of the input shaft is sleeved with a spline housing 137, and the outer end of the input shaft, the connecting shaft and the connecting end of the input shaft are all provided with splines.

In this embodiment, the nut is fastened to the lower end of the extension tube by a screw.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (9)

1. The utility model provides a mine hole mining saw cutting machine's frame elevating system which characterized in that: the shearing fork lifting mechanism comprises a lower frame and an upper frame, wherein a walking mechanism is arranged at the bottom of the lower frame, the upper frame is arranged above the lower frame, and a shearing fork lifting assembly is connected between the bottom of the upper frame and the top of the lower frame.

2. The mine cave mining sawing machine frame lifting mechanism according to claim 1, characterized in that: the scissor lifting assembly comprises two pairs of scissor lifting arm groups which are symmetrically distributed left and right and a lead screw lifting assembly vertically arranged between the two pairs of scissor lifting arm groups, the lead screw lifting assembly comprises a lifting lead screw and a worm gear reducer which are connected, the lifting lead screw is vertically arranged in the middle of the top surface of the lower rack, and a base of the worm gear reducer is fixed at the bottom of the upper rack.

3. The mine cave mining sawing machine frame lifting mechanism according to claim 2, characterized in that: each pair of scissors lifting arm sets comprises two scissors lifting arms which are distributed at intervals from front to back, each scissors lifting arm comprises a first scissors arm and a second scissors arm which are arranged in a crossed mode and hinged to the middle, the lower end of each first scissors arm is hinged to the top of the lower rack, the upper end of each first scissors arm is connected with the bottom of the upper rack in a sliding mode in the front-back direction, the upper end of each second scissors arm is hinged to the bottom of the upper rack, and the lower end of each second scissors arm is connected with the top of the lower rack in a sliding mode in the front-back direction.

4. The mine cave mining sawing machine frame lifting mechanism according to claim 1, characterized in that: the walking mechanism comprises a guide rod, a rigid chain, a walking chain wheel and a walking motor, the walking motor is fixedly arranged at the bottom in the lower rack, and the output end of the walking motor is connected with the walking chain wheel; the rigid chain is transversely arranged, and a plurality of rollers matched with the walking chain wheel are distributed on the rigid chain at intervals along the front and back directions.

5. The mine cave mining sawing machine frame lifting mechanism according to claim 4, characterized in that: guide rods are arranged on the left side and the right side of the rigid chain in parallel; and walking rollers capable of rolling along the guide rods are respectively arranged on the periphery of the bottom surface of the lower rack.

6. The mine cave mining sawing machine frame lifting mechanism according to claim 1, characterized in that: the drilling and sawing assembly comprises an upper frame, a lower frame, a transmission box, a telescopic pipe, a screw rod, a nut, a bevel gear A, an input shaft, a bevel gear B and a drilling and sawing assembly, wherein the left end and the right end of the upper frame, the left end and the right end of the upper portion of the lower frame and the left end and the right end of the lower portion of the lower frame are connected with the drilling and sawing assembly through two telescopic arms, each telescopic arm comprises the transmission box, a fixed pipe connected with the transmission box and the telescopic pipe sleeved in the fixed pipe, the screw rod is installed in the gear box, the outer end of the screw rod extends into the fixed pipe, the nut is fixedly connected with the telescopic pipe, the bevel gear A is installed at the inner end of the screw rod, the input shaft perpendicular to the screw rod is installed in the transmission box, the bevel gear B in meshing transmission with the bevel gear A is installed on the input shaft, and one end of the input shaft extends out of the transmission box; two flexible arms drive synchronous flexible through the driving piece, the driving piece is including the flexible motor, the reduction gear that connect gradually, and the both ends output shaft of reduction gear is respectively through the input shaft transmission of connecting axle and homonymy.

7. The mine cave mining sawing machine frame lifting mechanism according to claim 6, characterized in that: the utility model discloses a clamping device, including fixed pipe, axis body, external screw thread, fixed pipe, axis body, key way, fixed pipe outer end week side seted up one with fixed pipe vertically mounting hole, inside the mounting hole intercommunication fixed pipe, the installation tangential clamping mechanism in the mounting hole, tangential clamping mechanism includes an axis body, and axis body one end is stretched out and is installed the handle by the mounting hole, has seted up the external screw thread on the axis body, and symmetrical installation a pair clamping sleeve on the axis body, a clamping sleeve through its last screw hole and axis body screw-thread fit, another clamping sleeve is established on the axis body through its last through-hole cover, and its outer end supports the shaft shoulder that leans on the axis body, the keyway has been seted up along the axial to the clamping sleeve periphery, installs the screw that is used for carrying out spacing direction to the clamping sleeve on the fixed pipe, and the screw inner is located the keyway, and the clamping sleeve supports and leans on pressing from both sides tight flexible pipe, and sets up the slot part with flexible pipe outer footpath looks adaptation in clamping sleeve, clamping sleeve and mounting hole sliding fit.

8. The mine cave mining sawing machine frame lifting mechanism according to claim 6, characterized in that: the outer end of the input shaft is sleeved with a spline sleeve, and splines are arranged at the outer end of the input shaft and at the connecting end of the connecting shaft and the input shaft.

9. The mine cave mining sawing machine frame lifting mechanism according to claim 6, characterized in that: the nut is locked at the lower end of the telescopic pipe through a screw.

Images