CN102979453A - Power head pressure plate and power head type drilling equipment with same - Google Patents
Power head pressure plate and power head type drilling equipment with same Download PDFInfo
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- CN102979453A CN102979453A CN2012104893849A CN201210489384A CN102979453A CN 102979453 A CN102979453 A CN 102979453A CN 2012104893849 A CN2012104893849 A CN 2012104893849A CN 201210489384 A CN201210489384 A CN 201210489384A CN 102979453 A CN102979453 A CN 102979453A
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- 238000005553 drilling Methods 0.000 title abstract description 9
- 230000007704 transition Effects 0.000 claims description 42
- 230000003139 buffering effect Effects 0.000 claims description 16
- 238000010276 construction Methods 0.000 description 19
- 239000002689 soil Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention provides a power head pressure plate and power head type drilling equipment with the same. The power head pressure plate comprises a hub connecting device and a pressure plate bottom plate, wherein the hub connecting device is used for being connected with a hub of a power head; the hub connecting device is provided with a driver mounting seat, a pile casing driver or a pressure plate bottom plate can be selectively mounted on the driver mounting seat, and the pile casing driver and the pressure plate bottom plate are detachably connected with the driver mounting seat. According to the invention, the power head pressure plate is designed into the hub connecting device and the pressure plate bottom plate, and the driver mounting seat is arranged on the hub connecting device, so that both the pressure plate bottom plate and the pile casing driver can be mounted on the driver mounting seat.
Description
Technical field
The present invention relates to power unit type rig field, in particular to a kind of unit head platen and have its power unit type rig.
Background technology
As shown in Figure 1, in power unit type rig, unit head be provided with bottom unit head platen 3, unit head platen 3 is that the device that bucket unloads soil left by unit head, gets rid of soil and coils so cry again.Unit head platen 3 links together with wheel hub 2, and is with bolts between the two.Wheel hub 2 is installed on the headstock 1, and the gear in the headstock 1 can drive wheel hub 2 and rotate.
The structure of general unit head platen 3 as shown in Figure 2, by platen flange a, platen gusset b and platen base plate c form.Thereby platen flange a is circumferentially with the through hole that is connected with wheel hub 2 be used to wearing bolt along it.Platen gusset b and platen flange a and platen base plate c weld together, and play the effect that connects and strengthen.Platen base plate c is used for opening drilling bucket and reaches and unload soil, and when rotary drilling rig was prepared to unload soil, unit head descended, unit head platen 3 be pressed onto on the drilling bucket opening the bucket linkage then drilling bucket open, thereby unload soil.
But rotary drilling rig is when construction, sometimes in order to prevent that borehole collapse from maybe needing to bore when digging inclined hole, unit head need to connect the casing construction, as shown in Figure 3, in this case, existing way generally is that unit head platen 3 is pulled down, and then changes casing driver terminal pad 4, then connects the casing driver construction by casing driver terminal pad 4.Creeping into after getting well under the casing fetches earth must gain again original unit head platen 3 in the time of need to unloading soil.General casing driver terminal pad comprises upper flange d and Connection Block e, and upper flange d is used for connecting wheel hub 2, and Connection Block e is used for connecting casing driver.General 4 of casing driver terminal pads play the effect that connects casing driver.
In the prior art, as shown in Figures 2 and 3, all be to be connected by a large amount of bolts on the flange (being platen flange a, upper flange d) between unit head platen 3 and casing driver terminal pad 4 and the unit head, when rotary digging drill power head need to connect the casing construction, need unload first existing unit head platen 3, and then load onto casing driver terminal pad 4, could connect like this casing construction.When dismounting or installation unit head platen 3 and casing driver terminal pad 4, all need to remove or install a large amount of bolts.When particularly under the loose grade of soil property disadvantageous geologic condition, constructing, in order to prevent borehole collapse, need while descending casing to creep into, so just must repeatedly change unit head platen 3 and casing driver terminal pad 4, repeatedly dismantling a large amount of bolts wastes time and energy, and has greatly affected efficiency of construction and programming.
Summary of the invention
The present invention aims to provide a kind of convenient power unit type rig that connects the unit head platen of casing driver and have it, solving in the power unit type rig work progress, troublesome poeration when needing to change platen and casing driver terminal pad, the problem that wastes time and energy.
An aspect of of the present present invention provides a kind of unit head platen, comprises for the hub connecting device that is connected with the wheel hub of unit head and can be equipped with platen base plate on hub connecting device; Hub connecting device is provided with the driver mount pad, and casing driver or platen base plate selectively are installed on the driver mount pad, and casing driver is removably with the driver mount pad with the platen base plate and is connected.
Further, the platen base plate is connected by the first bearing pin with the driver mount pad.
Further, hub connecting device comprises the upper linkage that is connected with wheel hub and the transition connecting apparatus that is connected with upper linkage; The driver mount pad is arranged on the transition connecting apparatus.
Further, the platen base plate comprises base plate and is arranged on the connecting portion of base plate one side that connecting portion is connected by the first bearing pin with the driver mount pad.
Further, the connecting portion of platen base plate comprises at least two the first pin shaft hole seats, be provided with axis on the first pin shaft hole seat perpendicular to the first axial pin shaft hole of the base plate of platen base plate, be provided with second pin shaft hole corresponding with the first pin shaft hole on the transition connecting apparatus, the first bearing pin is located in the first pin shaft hole and the second pin shaft hole.
Further, upper linkage comprises the flange that is connected with wheel hub and is arranged on the Connection Block of flange one side that transition connecting apparatus is connected on the Connection Block by the second bearing pin.
Further, the Connection Block of upper linkage comprises at least two the second pin shaft hole seats, be provided with axis on the second pin shaft hole seat perpendicular to the 3rd axial pin shaft hole of flange, be provided with four pin shaft hole corresponding with the 3rd pin shaft hole on the transition connecting apparatus, the second bearing pin is located in the 3rd pin shaft hole and the 4th pin shaft hole.
Further, transition connecting apparatus comprises the outer ring and is set in the inner ring of inside, outer ring, and the annular slab that connects outer ring and inner ring; Upper linkage and platen base plate are connected between inner ring and the outer ring.
Further, upper linkage is provided with a plurality of bufferings seat of honour, is provided with lower of a plurality of bufferings corresponding with the buffering seat of honour on the transition connecting apparatus, is provided with elastic buffer body between cushioning the seat of honour and cushioning lower.
Further, hub connecting device comprises linkage, and upper linkage comprises the flange that is connected with wheel hub and is arranged on the Connection Block of flange one side; The driver mount pad is Connection Block.
Further, the Connection Block of upper linkage comprises at least two the second pin shaft hole seats, is provided with axis on the second pin shaft hole seat perpendicular to the 3rd axial pin shaft hole of flange; The platen base plate comprises base plate and is arranged on the connecting portion of base plate one side, has the holding tank that holds the second pin shaft hole seat on the connecting portion, be provided with five pin shaft hole corresponding with the 3rd pin shaft hole on the sidewall of holding tank both sides, the first bearing pin is located in the 3rd pin shaft hole and the 5th pin shaft hole.
Further, flange circumferentially evenly is provided with a plurality of bolt mounting holes along it; Be provided with a plurality of keyways on the bonding surface of flange and wheel hub, be provided with flat key in each keyway; At least be provided with one in the keyway and be used for the fixedly screw hole of flat key.
Further, the end of the end of the first bearing pin and the second bearing pin has pin groove, is embedded with the bearing pin clamp in the pin groove, and the bearing pin clamp is bolted on the transition connecting apparatus.
The present invention also provides a kind of power unit type rig, comprises headstock, is fixedly installed wheel hub on the headstock, is provided with aforesaid unit head platen on the wheel hub.
According to unit head platen of the present invention and have its power unit type rig, by the unit head design of platens being become hub connecting device and platen base plate; And at hub connecting device the driver mount pad is set, thereby platen base plate and casing driver all can be installed on the driver mount pad.Be power unit type equipment by unloading the soil construction when being replaced by lower casing construction, only need and at the driver mount pad casing driver to be installed after the dismounting of platen base plate, the a large amount of bolts that are connected between dismounting wheel hub and the unit head platen have been avoided, thereby effectively save the replacing time, alleviate the replacing workload, improve efficiency of construction.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the unit head of prior art;
Fig. 2 is the perspective view according to the unit head platen of prior art;
Fig. 3 is the perspective view according to the casing driver terminal pad of prior art;
Fig. 4 is the perspective view according to the first embodiment of unit head platen of the present invention;
Fig. 5 is the broken section structural representation according to the first embodiment of unit head platen of the present invention;
Fig. 6 be among Fig. 5 A-A to cross-sectional schematic;
Fig. 7 is the perspective view according to the upper linkage of the first embodiment of unit head platen of the present invention;
Fig. 8 is the perspective view according to the transition connecting apparatus of the first embodiment of unit head platen of the present invention;
Fig. 9 is the perspective view according to the platen base plate of the first embodiment of unit head platen of the present invention; And
Figure 10 is the perspective view according to the second embodiment of unit head platen of the present invention.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
In power unit type rig, unit head comprises headstock, be positioned at the wheel hub of headstock below and the unit head platen that is connected with wheel hub, opens to struggle against and unloads soil thereby headstock drives wheel hub driving unit head platen.As shown in Figs. 4-6, according to the first embodiment of unit head platen of the present invention, comprise for the hub connecting device 10 that is connected with the wheel hub of unit head and can be equipped with platen base plate 20 on hub connecting device 10; Hub connecting device 10 is provided with the driver mount pad, and casing driver or platen base plate 20 selectively are installed on the driver mount pad, and casing driver is connected with the platen base plate to be removably with the driver mount pad and is connected.The unit head platen comprises for the hub connecting device 10 that is connected with the wheel hub of unit head and can be equipped with platen base plate 20 on hub connecting device 10, hub connecting device 10 is provided with the driver mount pad, and casing driver or platen base plate 20 removably are installed on the driver mount pad.
The present invention is by becoming the unit head design of platens hub connecting device 10 and platen base plate 20; And at hub connecting device 10 the driver mount pad is set, thereby platen base plate 20 and casing driver all can be installed on the driver mount pad.Be power unit type equipment by unloading the soil construction when being replaced by lower casing construction, only need and at the driver mount pad casing driver to be installed after 20 dismountings of platen base plate, the a large amount of bolts that are connected between dismounting wheel hub and the unit head platen have been avoided, thereby effectively save the replacing time, alleviate the replacing workload, improve efficiency of construction.
Preferably, platen base plate 20 is connected by the first bearing pin 30 with the driver mount pad, compares other dismountable connected modes, and it is stronger to adopt the first bearing pin 30 to connect supporting capacity, and dismounting and only need to dismantle the first bearing pin 30 when installing, dismounting and more convenient and quicker is installed.
Shown in Fig. 4 to 9, in the first embodiment of the present invention, hub connecting device 10 comprises the upper linkage 11 that is connected with wheel hub and the transition connecting apparatus 12 that is connected with upper linkage 11, the driver mount pad is arranged on the transition connecting apparatus 12, transition connecting apparatus 12 connects upper linkage 11 and platen base plate 20, and transferring power, thereby make 20 work of platen base plate.
Particularly, as shown in Figure 9, platen base plate 20 comprises ringwise base plate 21 and is arranged on the connecting portion 22 of base plate 21 1 sides.In conjunction with Fig. 6, connecting portion 22 is connected by the first bearing pin 30 with transition connecting apparatus 12, thereby platen base plate 20 is connected on the hub connecting device 10, during work, the headstock driven wheel hub connection 10 of unit head and platen base plate 20 descend, the bucket linkage of opening that platen base plate 20 is pressed onto on the drilling bucket is opened drilling bucket, thereby unloads soil.
As shown in Figure 7, upper linkage 11 comprises the flange 111 that is connected with wheel hub, flange 111 1 sides are provided with the Connection Block 112 that is connected for transition connecting apparatus 12, and in conjunction with Fig. 5 and shown in Figure 7, transition connecting apparatus 12 is connected on the Connection Block 112 by the second bearing pin 40.In conjunction with Fig. 5 and Fig. 6, upper linkage 11, transition connecting apparatus 12 and platen base plate 20 by the first bearing pin 30 be connected bearing pin 40 and connect and be an integral body.The employing bearing pin connects, and compares a large amount of bolts and connects, and dismounting and installation are all more convenient, and can transmit larger moment of torsion, be more suitable for the unit head platen and rotate construction when lower casing.
More specifically, such as Fig. 8 and shown in Figure 9, the connecting portion 22 of platen base plate 20 comprises at least two the first pin shaft hole seats 221, be provided with axis on the first pin shaft hole seat 221 perpendicular to the first pin shaft hole of the central axis of the base plate 21 of platen base plate 20, the driver mount pad is the pin shaft hole seat that is arranged on the transition connecting apparatus 12, is provided with second pin shaft hole corresponding with the first pin shaft hole on this pin shaft hole seat.In conjunction with Fig. 6, the first bearing pin 30 is located in the first pin shaft hole and connects transition connecting apparatus 12 and platen base plate 20 in the pin shaft hole with being connected.
As shown in Figure 7 and Figure 8, upper linkage 11 adopts above-mentioned similar mode to be connected by the second bearing pin 40 with transition connecting apparatus 12, be that Connection Block 112 comprises at least two the second pin shaft hole seat 112a, be provided with axis on the second pin shaft hole seat 112a perpendicular to the 3rd axial pin shaft hole of flange 111, be provided with four pin shaft hole corresponding with the 3rd pin shaft hole on the transition connecting apparatus 12.In conjunction with Fig. 5, the second bearing pin 40 is located in the 3rd pin shaft hole and the 4th pin shaft hole to connect upper linkage 11 and transition connecting apparatus 12.
As shown in Figure 8, transition connecting apparatus 12 comprises outer ring 123 and is set in the inner ring 124 of 123 inside, outer ring, and the annular slab 125 that connects outer ring 123 and inner ring 124; The second pin shaft hole seat 112a of the first pin shaft hole seat 221 of platen base plate 20 and upper linkage 11 is between the inner ring 124 and outer ring 123 of this transition connecting apparatus 12, wherein, the second pin shaft hole and the 4th pin shaft hole all run through inner ring 124 and outer ring 123, the first pin shaft hole on the first pin shaft hole seat 221 of platen base plate 20 aligns with the second pin shaft hole on the transition connecting apparatus 12, namely the first bearing pin 30 middle parts cooperate with the first pin shaft hole, and two ends cooperate with the second pin shaft hole.The 3rd pin shaft hole on the second pin shaft hole seat 112a of upper linkage 11 aligns with the 4th pin shaft hole on crossing linkage 12, and the middle part of the second bearing pin 40 cooperates with the 3rd pin shaft hole, and two ends cooperate with the 4th pin shaft hole.Thereby make the first bearing pin 30 and the second bearing pin 40 two ends all stressed, common transferring power.
The second pin shaft hole on the transition connecting apparatus 12 and the set-up mode of the 4th pin shaft hole are specific as follows, the outer ring 123 of transition connecting apparatus 12 and inner ring 124 are along four pin shaft holes circumferentially are set, two relative pin shaft holes the second pin shaft hole for matching with the first pin shaft hole on the platen base plate 20 wherein, two the first bearing pins 30 123 pass the first pin shaft hole from the outer ring respectively, and an end of the first bearing pin 30 is cooperated with inner ring 124, the other end cooperates with outer ring 123, also can adopt the first bearing pin 30 of an integral body to pass two relative the second pin shaft holes to connect platen base plate 20 and transition connecting apparatus 12, similarly, the second bearing pin 40 is adopted transition connecting apparatus 12 is connected with upper linkage 11.
Preferably, as shown in Figure 5 and Figure 6, the end of the end of the first bearing pin 30 and the second bearing pin 40 has pin groove, be embedded with bearing pin clamp 50 in the pin groove, bearing pin clamp 50 is bolted on the transition connecting apparatus 12, thereby fixes the first bearing pin 30 and the second bearing pin 40, prevents that bearing pin from skidding off from pin shaft hole, improve reliability, eliminate safe hidden trouble.Also can adopt the modes such as cottor pin or locking nut that end and second bearing pin 40 of the first bearing pin 30 are fixed on the transition connecting apparatus 12.
As shown in Figure 8, annular slab 125 is welded on the middle part of outer ring 123 and inner ring 124, interfere in order to prevent annular slab 125 and the first pin shaft hole seat 221 of platen base plate 20 and the second pin shaft hole seat 112a of upper linkage 11, the position corresponding with four pin shaft holes at annular slab 125 offers four slot to make way 125a accordingly, thereby make the first pin shaft hole seat 221 and the second pin shaft hole seat 112a can pass annular slab 125, guarantee that the pin shaft hole on the first pin shaft hole seat 221 and the second pin shaft hole seat 112a aligns with pin shaft hole on the transition connecting apparatus 12, thereby bearing pin can be penetrated in the pin shaft hole smoothly.
As shown in Figs. 5 to 7, flange 111 circumferentially evenly is provided with a plurality of bolt mounting holes 111a along it, during installation, is located among the bolt mounting holes 111a by a plurality of bolts, thereby linkage 11 and wheel hub are fixed.Preferably, in order to make wheel hub and upper linkage 11 transmitting torques more reliable, be provided with a plurality of keyway 111b at the bonding surface of flange 111 and wheel hub, be provided with flat key 111c(as shown in Figure 5 and Figure 6 among each keyway 111b).Adopt bolt to connect separately compared to existing technology, adopt bolt to be connected the mode that is connected with flat key 111c between unit head platen of the present invention and the wheel hub, thereby make the bolt among the present invention mainly play fixation, substantially transmitting torque or transmitting torque are not little, and flat key 111c mainly plays the effect of transmitting torque, middle bolt is fixed and transmitting torque simultaneously compared to existing technology, can effectively improve reliability and safety.
More preferably, as shown in Figure 7, be provided with at least a screw hole 111d among each keyway 111b, be used for adopting screw to be fixed on keyway 111b flat key 111c, when preventing work, flat key 111c skids off from keyway 111b, perhaps will put down to build 111c and throw away when the unit head platen rotates.
Again consult Fig. 7 and Fig. 8, in order to cushion vibration and other impacts in the work progress, upper linkage 11 circumferentially has a plurality of bufferings seat of honour 112b along flange 111, be provided with a plurality of buffering lower 125bs corresponding with buffering seat of honour 112b on the transition connecting apparatus 12, buffering seat of honour 112b is provided with elastic buffer body with buffering between the lower 125b, and has screwed hole for fixing elastic buffer body cushioning a lower 125b.Elastic buffer body can be the mechanical type buffer body, such as helical spring, folded spring etc., also can be the damping device of air pressure, hydraulic pressure or gas-liquid mixed.In this embodiment, upper linkage 11 and transition connecting apparatus 12 correspondences are provided with four couples of gentle 125b that sweep away of buffering seat of honour 112b, and four pairs of gentle 125b edges that sweep away of buffering seat of honour 112b circumferentially evenly distribute, thereby improve buffering effect.
As shown in figure 10, the second embodiment according to unit head platen of the present invention, different from the first embodiment is, by the improvement to platen base plate 20, platen base plate 20 can directly be connected with upper linkage 11, thereby can remove the transition connecting apparatus that in the first embodiment, is used for connecting linkage 11 and platen base plate 20, make the unit head press plate structure simpler, mount and dismount more convenient.
Namely among this embodiment, hub connecting device is the upper linkage 11 among the first embodiment, upper linkage 11 comprise the flange 111 that is connected with wheel hub and arrange flange 111 1 sides and along its axially extended Connection Block 112; Connection Block 112 on the upper linkage 11 is the driver mount pad.
As shown in figure 10, the Connection Block 112 of upper linkage 11 comprises at least two along flange 111 axially extended the second pin shaft hole seat 112a, is provided with axis on the second pin shaft hole seat 112a perpendicular to the 3rd axial pin shaft hole of flange 111; Have the holding tank 222 that holds the second pin shaft hole seat 112a on the connecting portion 22 of platen base plate 20, be provided with five pin shaft hole corresponding with the 3rd pin shaft hole on the sidewall of holding tank 222 both sides.By holding tank 222 is set, thereby the sidewall of holding tank 222 both sides is fixed to the two ends of the first bearing pin 30, make the first bearing pin 30 two ends stressed evenly, the reliable delivery moment of torsion, concrete connected mode (connected mode and bearing pin such as bearing pin are fixed by clamp) and operating principle and the first embodiment are similar, unit head only needs dismounting and the first bearing pin 30 is installed in unloading soil construction and lower casing construction transfer process, and is convenient to operation.
The present invention further provides the power unit type rig that comprises above-mentioned unit head platen, thereby make power unit type rig of the present invention when needs use casing to construct, two the first bearing pins 30 that only need to connect in the platen base plate 20 in the unit head platen unload, then platen base plate 20 is pulled down, change casing driver, and then get final product with the first bearing pin 30 is fixing, need not to dismantle with the fixing bolt of wheel hub in the unit head platen of the present invention, be connected to all the time above the wheel hub of unit head.Be about to the Function Integration Mechanism of general unit head platen and casing driver terminal pad together, effectively reduce production costs, save the replacing time, thereby improve efficiency of construction.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
According to unit head platen of the present invention and have its power unit type rig, by the unit head design of platens being become hub connecting device and platen base plate; And at hub connecting device the driver mount pad is set, thereby platen base plate and casing driver all can be installed on the driver mount pad.Be about to the Function Integration Mechanism of general unit head platen and casing driver terminal pad together, thereby make power unit type equipment by unloading soil construction when being replaced by lower casing construction, only need and at the driver mount pad casing driver to be installed after the dismounting of platen base plate, the a large amount of bolts that are connected between dismounting wheel hub and the unit head platen have been avoided, thereby effectively save the replacing time, alleviate the replacing workload, improve efficiency of construction.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a unit head platen is characterized in that, comprises for the hub connecting device (10) that is connected with the wheel hub of unit head and can be equipped with platen base plate (20) on described hub connecting device (10);
Described hub connecting device (10) is provided with the driver mount pad, casing driver or described platen base plate (20) selectively are installed on the described driver mount pad, described casing driver be connected platen base plate (20) and be removably with described driver mount pad and be connected.
2. unit head platen according to claim 1 is characterized in that,
Described platen base plate (20) is connected by the first bearing pin (30) with described driver mount pad.
3. unit head platen according to claim 2 is characterized in that,
Described hub connecting device (10) comprises the upper linkage (11) that is connected with described wheel hub and the transition connecting apparatus (12) that is connected with described upper linkage (11);
Described driver mount pad is arranged on the described transition connecting apparatus (12).
4. unit head platen according to claim 3 is characterized in that,
Described platen base plate (20) comprises base plate (21) and is arranged on the connecting portion (22) of described base plate (21) one sides that described connecting portion (22) is connected by the first bearing pin (30) with described driver mount pad.
5. unit head platen according to claim 4 is characterized in that,
The connecting portion (22) of described platen base plate (20) comprises at least two the first pin shaft hole seats (221), be provided with axis perpendicular to the first axial pin shaft hole of the base plate (21) of described platen base plate (20) on described the first pin shaft hole seat (221), be provided with second pin shaft hole corresponding with described the first pin shaft hole on the described transition connecting apparatus (12), described the first bearing pin (30) is located in described the first pin shaft hole and described the second pin shaft hole.
6. unit head platen according to claim 3 is characterized in that,
Described upper linkage (11) comprises the flange (111) that is connected with described wheel hub and the Connection Block (112) that is arranged on described flange (111) one sides, and described transition connecting apparatus (12) is connected on the described Connection Block (112) by the second bearing pin (40).
7. unit head platen according to claim 6 is characterized in that,
The Connection Block (112) of described upper linkage (11) comprises at least two the second pin shaft hole seats (112a), be provided with axis perpendicular to the 3rd axial pin shaft hole of described flange (111) on described the second pin shaft hole seat (112a), be provided with four pin shaft hole corresponding with described the 3rd pin shaft hole on the described transition connecting apparatus (12), described the second bearing pin (40) is located in described the 3rd pin shaft hole and described the 4th pin shaft hole.
8. according to claim 5 or 7 described unit head platens, it is characterized in that,
Described transition connecting apparatus (12) comprises outer ring (123) and is set in the inner inner ring (124) in described outer ring (123), and the annular slab (125) that connects described outer ring (123) and described inner ring (124);
Described upper linkage (11) and described platen base plate (20) are connected between described inner ring (124) and described outer ring (123).
9. unit head platen according to claim 3 is characterized in that,
Described upper linkage (11) is provided with a plurality of bufferings seat of honour (112b), be provided with lower of the corresponding buffering in a plurality of and described buffering seat of honour (112b) (125b) on the described transition connecting apparatus (12), be provided with elastic buffer body between the described buffering seat of honour (112b) and the described buffering lower (125b).
10. unit head platen according to claim 2 is characterized in that,
Described hub connecting device (10) comprises linkage (11), and described upper linkage (11) comprises the flange (111) that is connected with described wheel hub and the Connection Block (112) that is arranged on described flange (111) one sides;
Described driver mount pad is described Connection Block (112).
11. unit head platen according to claim 10 is characterized in that,
The Connection Block (112) of described upper linkage (11) comprises at least two the second pin shaft hole seats (112a), is provided with axis perpendicular to the 3rd axial pin shaft hole of described flange (111) on described the second pin shaft hole seat (112a);
Described platen base plate (20) comprises base plate (21) and is arranged on the connecting portion (22) of described base plate (21) one sides, has the holding tank (222) that holds described the second pin shaft hole seat (112a) on the described connecting portion (22), be provided with five pin shaft hole corresponding with described the 3rd pin shaft hole on the sidewall of described holding tank (222) both sides, described the first bearing pin (30) is located in described the 3rd pin shaft hole and described the 5th pin shaft hole.
12. according to claim 6 or 11 described unit head platens, it is characterized in that,
Described flange (111) circumferentially evenly is provided with a plurality of bolt mounting holes (111a) along it; Be provided with a plurality of keyways (111b) on the bonding surface of described flange (111) and described wheel hub, be provided with flat key (111c) in each described keyway (111b);
At least be provided with a screw hole (111d) that is used for fixing described flat key (111c) in the described keyway (111b).
13. unit head platen according to claim 6 is characterized in that,
The end of the end of described the first bearing pin (30) and described the second bearing pin (40) has pin groove, is embedded with bearing pin clamp (50) in the described pin groove, and described bearing pin clamp (50) is bolted on the described transition connecting apparatus (12).
14. a power unit type rig comprises headstock, is fixedly installed wheel hub on the described headstock, it is characterized in that, is provided with each described unit head platen in the claim 1 to 13 on the described wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210489384.9A CN102979453B (en) | 2012-11-26 | 2012-11-26 | Power head pressure plate and power head type drilling equipment with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210489384.9A CN102979453B (en) | 2012-11-26 | 2012-11-26 | Power head pressure plate and power head type drilling equipment with same |
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| Publication Number | Publication Date |
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| CN102979453A true CN102979453A (en) | 2013-03-20 |
| CN102979453B CN102979453B (en) | 2015-06-03 |
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| CN201210489384.9A Active CN102979453B (en) | 2012-11-26 | 2012-11-26 | Power head pressure plate and power head type drilling equipment with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250603A (en) * | 2021-05-06 | 2021-08-13 | 北京欧钻科技有限公司 | Power head assembly of rotary digging machine and rotary digging machine |
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| CN102322215A (en) * | 2011-09-28 | 2012-01-18 | 高邮市恒辉机械有限公司 | Power head |
| CN102678042A (en) * | 2011-11-30 | 2012-09-19 | 徐州徐工基础工程机械有限公司 | Driving and connecting device for rotary drilling rig power head pile casing |
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| US5370194A (en) * | 1993-04-19 | 1994-12-06 | The Robbins Company | Drive head assembly for drilling machine |
| EP0909870A1 (en) * | 1997-10-15 | 1999-04-21 | DIAMANT BOART Société Anonyme | Coupling for a force transmitting device |
| EP1361333A2 (en) * | 2002-05-02 | 2003-11-12 | BAUER Maschinen GmbH | Earth drilling device |
| CN201891380U (en) * | 2010-12-13 | 2011-07-06 | 北京市三一重机有限公司 | Rotary drilling rig and power control box thereof |
| CN102322215A (en) * | 2011-09-28 | 2012-01-18 | 高邮市恒辉机械有限公司 | Power head |
| CN102678042A (en) * | 2011-11-30 | 2012-09-19 | 徐州徐工基础工程机械有限公司 | Driving and connecting device for rotary drilling rig power head pile casing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250603A (en) * | 2021-05-06 | 2021-08-13 | 北京欧钻科技有限公司 | Power head assembly of rotary digging machine and rotary digging machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102979453B (en) | 2015-06-03 |
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