CN204490392U - A kind of driving device and use winch and the long-spiral drilling machine of this device - Google Patents
A kind of driving device and use winch and the long-spiral drilling machine of this device Download PDFInfo
- Publication number
- CN204490392U CN204490392U CN201420847459.0U CN201420847459U CN204490392U CN 204490392 U CN204490392 U CN 204490392U CN 201420847459 U CN201420847459 U CN 201420847459U CN 204490392 U CN204490392 U CN 204490392U
- Authority
- CN
- China
- Prior art keywords
- switch plate
- output panel
- transmission connection
- driving
- right direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 53
- 238000003825 pressing Methods 0.000 claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a kind of driving device and uses winch and the long-spiral drilling machine of this device, a kind of driving device comprises the left and right output panel that left and right is arranged, switch plate is provided with between left and right output panel, the pivot center of described left and right output panel and switch plate extends all in left-right direction, switch plate has the first working position and the second working position be in transmission connection with described right output panel that moves right that are moved to the left and are in transmission connection with described left output panel, and described switch plate is provided with the clutch driving mechanism driving switch plate sway.This set makes load drum and pressing roller not to work simultaneously, and this just can prevent steel rope to be pulled off effectively, improves the safe reliability that a kind of long-spiral drilling machine of the present utility model runs.
Description
Technical field
The utility model relates to a kind of driving device and uses winch and the long-spiral drilling machine of this device.
Background technology
Long-spiral drilling machine is a kind of a kind of equipment being widely used in high ferro, express highway, various China Democratic National Construction Associations engineering, and due to engineering geology more complicated, construction environment is more and more severe, usually adapts to the construction of bad ground by setting up pressurization winch.Due to pressurization winch and lifting winch independent operating separately; like this when the winch that pressurizes pressurizes to unit head; if promote winch not shut down; continue the drilling rod that hoists; or when lifting winch hoists drilling rod; pressurization winch is not shut down, and continue unit head pressurization, steel rope is easy to be pulled off under the contrary pulling force effect of two winchs.
Summary of the invention
The purpose of this utility model is to provide a kind of driving device, to solve the technical matters causing steel rope to be pulled off because pressurization winch works with lifting winch simultaneously in prior art.Meanwhile, the utility model additionally provides a kind of winch and the long-spiral drilling machine that use this driving device.
For achieving the above object, a kind of driving device of the present utility model adopts following technical scheme: a kind of driving device, comprise the left and right output panel that left and right is arranged, switch plate is provided with between left and right output panel, the pivot center of described left and right output panel and switch plate extends all in left-right direction, switch plate has the first working position and the second working position be in transmission connection with described right output panel that moves right that are moved to the left and are in transmission connection with described left output panel, and described switch plate is provided with the clutch driving mechanism driving switch plate sway.
Described clutch driving mechanism comprises end face bearing, and the left bearing circle of end face bearing is installed in the right-hand member of described switch plate, the right bearing circle of end face bearing is installed with the pull bar of guiding movement in left-right direction.
A kind of winch of the present utility model adopts following technical scheme: a kind of winch, comprise load drum assembly and the pressing roller assembly of left and right setting, load drum assembly comprises the load drum that pivot center extends in left-right direction, pressing roller assembly comprises the pressing roller that pivot center extends in left-right direction, described a kind of winch also comprises driving device, driving device comprises the left side that left and right is arranged, right output panel, left output panel and described load drum are in transmission connection, described right output panel and described pressing roller are in transmission connection, left, switch plate is provided with between right output panel, a described left side, the pivot center of right output panel and switch plate extends all in left-right direction, switch plate has the first working position and the second working position be in transmission connection with described right output panel that moves right that are moved to the left and are in transmission connection with described left output panel, described switch plate is provided with the clutch driving mechanism driving switch plate sway.
Described clutch driving mechanism comprises end face bearing, and the left bearing circle of end face bearing is installed in the right-hand member of described switch plate, the right bearing circle of end face bearing is installed with the pull bar of guiding movement in left-right direction.
Described a kind of winch also comprises the driving disk driven by propulsion source, the pivot center of driving disk extends in left-right direction, driving disk and described switch plate are by being arranged on the driving cog structure engaged transmission on the two, and described switch plate can lead in left-right direction slip on driving disk.
A kind of long-spiral drilling machine of the present utility model adopts following technical scheme: a kind of long-spiral drilling machine, comprise winch, winch comprises load drum assembly and the pressing roller assembly of left and right setting, load drum assembly comprises the load drum that pivot center extends in left-right direction, pressing roller assembly comprises the pressing roller that pivot center extends in left-right direction, described a kind of winch also comprises driving device, driving device comprises the left side that left and right is arranged, right output panel, left output panel and described load drum are in transmission connection, described right output panel and described pressing roller are in transmission connection, left, switch plate is provided with between right output panel, a described left side, the pivot center of right output panel and switch plate extends all in left-right direction, switch plate has the first working position and the second working position be in transmission connection with described right output panel that moves right that are moved to the left and are in transmission connection with described left output panel, described switch plate is provided with the clutch driving mechanism driving switch plate sway.
Described clutch driving mechanism comprises end face bearing, and the left bearing circle of end face bearing is installed in the right-hand member of described switch plate, the right bearing circle of end face bearing is installed with the pull bar of guiding movement in left-right direction.
Described winch also comprises the driving disk driven by propulsion source, the pivot center of driving disk extends in left-right direction, driving disk and described switch plate are by being arranged on the driving cog structure engaged transmission on the two, and described switch plate can lead in left-right direction slip on driving disk.
A kind of long-spiral drilling machine of the present utility model comprises winch, winch comprises driving device, driving device comprises the left side that left and right is arranged, right output panel, left, switch plate is provided with between right output panel, left, the pivot center of right output panel and switch plate extends all in left-right direction, switch plate is provided with the clutch driving mechanism driving switch plate sway, this set make when need load drum rotate come drilling rod lifting and transfer action time, clutch driving mechanism drives switch plate to be moved to the left and is in transmission connection with left output panel, switch plate is in the first working position, because left output panel and load drum are in transmission connection, switch plate drives load drum to rotate, and now switch plate and right output panel are not in transmission connection, hoist drilling rod time pressing roller cannot rotate.When needs pressurize to unit head, clutch driving mechanism drives switch plate to move right, switch plate and right output panel are in transmission connection, switch plate is in the second working position, because right output panel and pressing roller are in transmission connection, right output panel drives pressing roller to rotate, and now switch plate and left output panel are not in transmission connection, unit head and drilling rod are in quick condition, are unlikely to hoisting cable to be broken.This set makes load drum and pressing roller not to work simultaneously, and this just can prevent steel rope to be pulled off effectively, improves the safe reliability that a kind of long-spiral drilling machine of the present utility model runs.
Further, clutch driving mechanism comprises end face bearing, the left bearing circle of end face bearing is installed in the right-hand member of switch plate, the right bearing circle of end face bearing is installed with the pull bar of guiding movement in left-right direction, so in use, pull bar realizes being in transmission connection of switch plate and left output panel or right output panel by the sway that end face bearing can promote switch plate, be in transmission connection for pull bar and left output panel and be illustrated, after switch plate and left output panel are in transmission connection, switch plate can drive again left output panel to rotate relative to pull bar, make the rotation of the sway of pull bar and switch plate non-interference, this set structure is simple, be convenient to processing and manufacturing, be conducive to the cost reducing processing and manufacturing, and it is easy to operate, require low to the operative technique of workman, easy to utilize.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of winch of the present utility model.
Detailed description of the invention
A kind of winch as shown in Figure 1, comprise frame 1, frame is provided with load drum assembly and the pressing roller assembly of left and right setting, load drum assembly comprises the load drum 7 that pivot center extends in left-right direction, and pressing roller assembly comprises the pressing roller 8 that pivot center extends in left-right direction.
Above-mentioned a kind of winch also comprises driving device, driving device comprises the left and right output panel that left and right is arranged, left output panel and load drum are in transmission connection, right output panel 6 is in transmission connection with pressing roller, be provided with switch plate between left and right output panel, the pivot center of left and right output panel and switch plate extends all in left-right direction.
In the present embodiment, above-mentioned right output panel and switch plate are gear.Above-mentioned pressing roller assembly also comprises pressing roller axle, the axis of pressing roller axle extends in left-right direction, pressing roller is sleeved on pressing roller axle, the first swelling axle sleeve is provided with between the right-hand member of pressing roller axle and pressing roller, right output panel is sleeved on the left end of pressing roller axle, is provided with the second swelling axle sleeve between right output panel and pressing roller axle.Right output panel is solid-located to realize being in transmission connection of right output panel and pressing roller by the left end of bolt and pressing roller.
Above-mentioned frame comprises the skeleton that is spliced by many root type steel and erects the left pressurization riser be arranged on skeleton, right pressurization riser, left, the thickness of slab of right pressurization riser extends all in left-right direction, left, on right pressurization riser, correspondence is provided with a left side, right mounting hole, in left mounting hole, elastic conjunction has left wear-resistant sleeve, left wear-resistant sleeve has the shell-like body that axis extends in left-right direction and the boss for coordinating with left pressurization riser limit block being arranged on shell-like body right-hand member, shell-like body is inserted in left mounting hole, the left end of pressing roller axle is inserted in the endoporus of left wear-resistant sleeve, the left end of pressing roller axle coordinates with the boss limit block of left wear-resistant sleeve.The right-hand member of pressing roller is inserted in right mounting hole, and the right-hand member of pressing roller is also arranged with locating bush, and the two ends, left and right of locating bush coordinate with the corresponding limit block in adjacent panels face of the right-hand member of pressing roller, right pressurization riser.The two ends, left and right of pressing roller axle can be rotated around the axis of pressing roller axle at left wear-resistant sleeve, right mounting hole.
Above-mentioned load drum assembly also comprises load drum axle 9, the axis of load drum axle extends in left-right direction, load drum axle is positioned at the rear of above-mentioned pressing roller axle, above-mentioned frame is also provided with the left lifting riser that arrange corresponding to the two ends, left and right of load drum axle erect and be arranged on skeleton, right lifting riser, left, the thickness of slab of right lifting riser extends all in left-right direction, left, right lifting riser is provided with the mounting hole supplying the corresponding end of load drum axle to pass, the left side of left lifting riser is provided with the first postive stop baffle, the right side of right lifting riser is provided with the second postive stop baffle, left, the diameter of the mounting hole of right lifting riser is less than the outer rim of corresponding postive stop baffle, first, second postive stop baffle is all coated with tie bolt, the two ends, left and right of load drum axle are equipped with the internal thread hole that arrange corresponding to tie bolt, the two ends, left and right of load drum axle are installed in corresponding mounting hole, above-mentioned tie bolt spinning is in the corresponding end of load drum axle, load drum axle is by first, second postive stop baffle and tie bolt are fixedly mounted in frame.
Above-mentioned load drum is rotated by the bearing be arranged between load drum and load drum axle and is assemblied on load drum axle, the two ends, left and right of load drum axle also correspondence are arranged with left and right positioning shaft sleeve, and the two ends, left and right of each positioning shaft sleeve coordinate to realize load drum limit block in the axial direction with the adjacent panels face of corresponding riser, the inner ring limit block of corresponding bearing respectively.Above-mentioned left output panel is the slab structure that thickness of slab extends in left-right direction, and the right-hand member that left output panel is installed in load drum by the mode of welding is to realize and being in transmission connection of load drum.
Above-mentioned switch plate 5 is set on load drum axle, and switch plate can rotate on load drum axle, and switch plate has the first working position and the second working position be in transmission connection with right output panel that moves right that are moved to the left and are in transmission connection with left output panel.
The right-hand member of above-mentioned left output panel is provided with female splines, and the endoporus hole wall of switch plate is provided with male splines, and switch plate and left output panel realize being in transmission connection by spline joint.Certainly, in other embodiments, above-mentioned switch plate and being in transmission connection of left output panel also realize by power-transfer clutch, and the left half-clutch part of power-transfer clutch is installed in the right-hand member of left output panel, and right semi-clutch part is installed in the left end of switch plate.
Above-mentioned switch plate and right output panel engaged transmission are to realize being in transmission connection of switch plate and right output panel.
Above-mentioned switch plate is provided with the clutch driving mechanism driving switch plate sway, in the present embodiment, clutch driving mechanism comprises hydraulic actuating cylinder 11, the piston rod of hydraulic actuating cylinder is installed with connecting panel, connecting panel is provided with the pull bar 10 that four axis at intervals around load drum axle are laid, each pull bar is thin ends and thick middle circular shaft, the axis of pull bar extends in left-right direction, the shaft part small in ends of pull bar is equipped with outside thread, and the little shaft part of the right-hand member of pull bar passes through nut locking through after connecting panel.The guide plate that the thickness of slab that above-mentioned frame is provided with setting setting extends in left-right direction, guide plate is provided with the mounting hole that the axis that arranges with above-mentioned pull bar one_to_one corresponding extends in left-right direction, and each pull bar is assemblied in frame to realize guiding movement in left-right direction with corresponding mounting hole guiding movement auxiliary section.
Above-mentioned clutch driving mechanism also comprises end face bearing, the left bearing circle of end face bearing is arranged on the right-hand member of switch plate, conveniently dismounting, the right bearing circle of end face bearing is installed with coupling link, pull bar is positioned at the right side of coupling link, coupling link is provided with the tapped bore arranged with above-mentioned pull bar one_to_one corresponding, and the little shaft part spinning of the left end of each pull bar is in the tapped bore of correspondence.Above-mentioned Driven by Hydraulic Cylinder pull bar left and right guiding movement, pull bar drives switch plate guiding movement in left-right direction by end face bearing.Certainly, in other embodiments, above-mentioned clutch driving mechanism comprises cylinder, cylinder hinge mounted is in frame, the hinge axes of cylinder extends along the vertical direction, orienting sleeve and bearing is provided with between switch plate and load drum axle, orienting sleeve is sleeved on load drum axle, the inner hole wall of orienting sleeve is convexly equipped with the guide protrusions that length extends in left-right direction, load drum axle is provided with the direction recess that arrange corresponding to guide protrusions, and guide protrusions coordinates with the guiding movement of direction recess to realize switch plate guiding movement in left-right direction.Orienting sleeve is provided with limited step and shaft block ring for preventing the relative orienting sleeve sway of bearing, and limited step is arranged on the left end of orienting sleeve.The piston cylinder of above-mentioned cylinder is hinged with drive spindle, and the other end of drive spindle is hinged on the right-hand member of orienting sleeve, and two hinge axes of drive spindle extend all along the vertical direction.
Above-mentioned a kind of winch also comprises motor 2, the output shaft upper driving of motor is connected with reductor 3, the output shaft of reductor is provided with the driving disk 4 that pivot center extends in left-right direction, in the present embodiment, driving disk is gear, and driving disk is positioned at the rear of switch plate, driving disk and switch plate engaged transmission, driving disk drives switch plate to rotate, and switch plate can lead in left-right direction slip on driving disk.Certainly, in other embodiments, the propulsion source driving driving disk to rotate can also be HM Hydraulic Motor.
Meanwhile, the utility model additionally provides a kind of driving device, and its structure is consistent with the structure of above-mentioned driving device, does not repeat them here.
The utility model additionally provides a kind of long-spiral drilling machine, comprises winch, unit head and drilling rod, and the structure of this winch is consistent with the structure of above-mentioned a kind of winch, does not repeat them here.
The long-spiral drilling machine of the present embodiment in use, the piston rod of hydraulic actuating cylinder stretches out, piston rod promotes switch plate by pull bar and is moved to the left, the male splines of switch plate engages with the female splines of left output panel, motor drives reductor, reductor drives driving disk, and driving disk engages with switch plate, and switch plate drives load drum to rotate the action promoting and transfer.When needs pressurize to unit head, the piston rod of hydraulic actuating cylinder is retracted, piston rod drives pull bar to move right, pull bar pulls switch plate to move right by end face bearing, the male splines of switch plate is separated with the female splines of left output panel, meanwhile, switch plate engages with right output panel, driving disk and switch plate engaged transmission, the propulsive effort of driving disk is passed to right output panel by switch plate, right output panel drives pressing roller to rotate, because left output panel and switch plate are out of gear mesh, so unit head and drilling rod are in quick condition, hoisting cable is unlikely to be broken.
It is more than preferred embodiment of the present utility model, in other embodiments, above-mentioned right output panel can also being in transmission connection by other version and pressing roller, as right output panel is provided with the turning cylinder that axis extends in left-right direction, two ends, left and right place correspondence in turning cylinder in frame is provided with a left side, right bearing, two ends, the left and right correspondence of turning cylinder is inserted into a left side, be assemblied in frame to realize rotation in the axis hole of right bearing, turning cylinder is provided with the first gear, with the second gear of the first meshed transmission gear on pressing roller axle, or right output panel can also be in transmission connection by Chain conveyer and pressing roller, above-mentioned left output panel also can adopt same setting with being in transmission connection of load drum.
In other embodiments, above-mentioned switch plate, driving disk, right output panel can also be friction wheel, the pivot center of switch plate and right output panel overlaps, pivot center extends in left-right direction, switch plate and right output panel are in transmission connection by end-face friction, the outer of switch plate is not protruded in the outer of right output panel, the left and right guiding movement of switch plate can adopt the clutch driving mechanism in embodiment, the left bearing circle of end face bearing is arranged on switch plate, and the diameter of right output panel is less than the diameter of bore of end face bearing.Driving disk and switch wheel by being arranged on the driving cog structure engaged transmission on the two, switch plate can lead in left-right direction slip on driving disk.
In other embodiments, above-mentioned coupling link can also be cancelled, and above-mentioned pull bar is directly installed on the right bearing circle of end face bearing, and pull bar can also realize left and right guiding movement by screw-nut structure, screw is installed in the right-hand member of pull bar, and screw turns is assemblied in above-mentioned frame.
In other embodiments, above-mentioned driving disk can also be cancelled, and the right-hand member of switch plate is provided with the motor of sway synchronous with switch plate, and motor drives switch plate to rotate.Those skilled in the art also can in varied situations, and carry out equivalent replacement according to the design general knowledge of this area, it is all within protection domain of the present utility model.
Claims (8)
1. a driving device, it is characterized in that: comprise the left and right output panel that left and right is arranged, switch plate is provided with between left and right output panel, the pivot center of described left and right output panel and switch plate extends all in left-right direction, switch plate has the first working position and the second working position be in transmission connection with described right output panel that moves right that are moved to the left and are in transmission connection with described left output panel, and described switch plate is provided with the clutch driving mechanism driving switch plate sway.
2. a kind of driving device according to claim 1, it is characterized in that: described clutch driving mechanism comprises end face bearing, the left bearing circle of end face bearing is installed in the right-hand member of described switch plate, the right bearing circle of end face bearing is installed with the pull bar of guiding movement in left-right direction.
3. a winch, comprise load drum assembly and the pressing roller assembly of left and right setting, load drum assembly comprises the load drum that pivot center extends in left-right direction, pressing roller assembly comprises the pressing roller that pivot center extends in left-right direction, it is characterized in that: described a kind of winch also comprises driving device, driving device comprises the left side that left and right is arranged, right output panel, left output panel and described load drum are in transmission connection, described right output panel and described pressing roller are in transmission connection, left, switch plate is provided with between right output panel, a described left side, the pivot center of right output panel and switch plate extends all in left-right direction, switch plate has the first working position and the second working position be in transmission connection with described right output panel that moves right that are moved to the left and are in transmission connection with described left output panel, described switch plate is provided with the clutch driving mechanism driving switch plate sway.
4. a kind of winch according to claim 3, it is characterized in that: described clutch driving mechanism comprises end face bearing, the left bearing circle of end face bearing is installed in the right-hand member of described switch plate, the right bearing circle of end face bearing is installed with the pull bar of guiding movement in left-right direction.
5. a kind of winch according to claim 3 or 4, it is characterized in that: described a kind of winch also comprises the driving disk driven by propulsion source, the pivot center of driving disk extends in left-right direction, driving disk and described switch plate are by being arranged on the driving cog structure engaged transmission on the two, and described switch plate can lead in left-right direction slip on driving disk.
6. a long-spiral drilling machine, comprise winch, winch comprises load drum assembly and the pressing roller assembly of left and right setting, load drum assembly comprises the load drum that pivot center extends in left-right direction, pressing roller assembly comprises the pressing roller that pivot center extends in left-right direction, it is characterized in that: described winch also comprises driving device, driving device comprises the left side that left and right is arranged, right output panel, left output panel and described load drum are in transmission connection, described right output panel and described pressing roller are in transmission connection, left, switch plate is provided with between right output panel, a described left side, the pivot center of right output panel and switch plate extends all in left-right direction, switch plate has the first working position and the second working position be in transmission connection with described right output panel that moves right that are moved to the left and are in transmission connection with described left output panel, described switch plate is provided with the clutch driving mechanism driving switch plate sway.
7. a kind of long-spiral drilling machine according to claim 6, it is characterized in that: described clutch driving mechanism comprises end face bearing, the left bearing circle of end face bearing is installed in the right-hand member of described switch plate, the right bearing circle of end face bearing is installed with the pull bar of guiding movement in left-right direction.
8. a kind of long-spiral drilling machine according to claim 6 or 7, it is characterized in that: described winch also comprises the driving disk driven by propulsion source, the pivot center of driving disk extends in left-right direction, driving disk and described switch plate are by being arranged on the driving cog structure engaged transmission on the two, and described switch plate can lead in left-right direction slip on driving disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847459.0U CN204490392U (en) | 2014-12-26 | 2014-12-26 | A kind of driving device and use winch and the long-spiral drilling machine of this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847459.0U CN204490392U (en) | 2014-12-26 | 2014-12-26 | A kind of driving device and use winch and the long-spiral drilling machine of this device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204490392U true CN204490392U (en) | 2015-07-22 |
Family
ID=53569680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420847459.0U Expired - Fee Related CN204490392U (en) | 2014-12-26 | 2014-12-26 | A kind of driving device and use winch and the long-spiral drilling machine of this device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204490392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111252690A (en) * | 2020-03-30 | 2020-06-09 | 太原理工大学 | Double drum linkage winding lifting system |
-
2014
- 2014-12-26 CN CN201420847459.0U patent/CN204490392U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111252690A (en) * | 2020-03-30 | 2020-06-09 | 太原理工大学 | Double drum linkage winding lifting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203624942U (en) | Belt brake of winch | |
| CN202181181U (en) | Winding engine | |
| CN203655147U (en) | Power head for deep-hole core drilling machine | |
| CN202272668U (en) | Drill winch | |
| CN104555771B (en) | Mine vehicle-mounted hydraulic winch | |
| CN205151608U (en) | Free fall hoist engine | |
| CN201280377Y (en) | Principal shaft apparatus of double-winding drum mine hoist | |
| CN204490392U (en) | A kind of driving device and use winch and the long-spiral drilling machine of this device | |
| CN215854813U (en) | Novel haulage winch | |
| CN202595719U (en) | Dual-output lift device for self-elevating drilling platform | |
| CN206156645U (en) | Winch | |
| CN202671078U (en) | Small suspension hydraulic winch | |
| CN201890733U (en) | Engineering machinery and hoisting device thereof | |
| CN205155091U (en) | Free fall is reduction gear for hoist engine | |
| CN102701093B (en) | Mechanically-driven double-gear winch for casing drilling machine | |
| CN201411337Y (en) | A column return winch for mining | |
| CN210885073U (en) | Winch directly driven by motor | |
| CN203889989U (en) | Hydraulic braking device for haulage winch | |
| CN202833869U (en) | Reducer for crawler crane | |
| CN102619207A (en) | Dual-output lifting device for self-elevating drilling platform | |
| CN206429192U (en) | A kind of drilling rod drive device | |
| CN102145863B (en) | Engineering machine and hoisting device thereof | |
| CN203382425U (en) | Hydraulic drive device for hand chain hoist | |
| RU148324U1 (en) | MOBILE DRILLING RIG "MOBILMASH-20" | |
| CN220577243U (en) | Rotary driving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |