CN204414005U - A kind of pedestal drawbench - Google Patents
A kind of pedestal drawbench Download PDFInfo
- Publication number
- CN204414005U CN204414005U CN201520025319.XU CN201520025319U CN204414005U CN 204414005 U CN204414005 U CN 204414005U CN 201520025319 U CN201520025319 U CN 201520025319U CN 204414005 U CN204414005 U CN 204414005U
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- CN
- China
- Prior art keywords
- lag
- block
- hydraulic jack
- slippage
- regulating
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Abstract
The utility model discloses a kind of pedestal drawbench, thrust beam has been threaded hydraulic pushing mechanism, in U-lag and gathering sill, slippage is connected with core-regulating mechanism, core-regulating mechanism comprises slippage and is connected to slipping block in U-lag and slippage and is connected to regulating block in gathering sill, regulating block connects two pieces of slipping blocks respectively by two connecting rods, connecting rod is all articulated with regulating block and slipping block, the slip of regulating block in gathering sill synchronously can drive two pieces of slipping blocks inwardly or outwards moving in U-lag, two pieces of slipping blocks all offer through hole, through hole connects same U-lag, work that to pull out screw rod in through-holes pluggable, rise and pull out nut thread and be connected to and pull out screw rod and fix the position of slipping block in U-lag, core-regulating mechanism can ensure that hydraulic pushing mechanism is in two and works the center of pulling out screw rod, adopt core-regulating mechanism ensure rise pull out the center that can withstand on axle in the process of bearing avoid axle produce upset moment make axle and the mutual extrusion abrasion of bearing, improve service life.
Description
Technical field
The utility model relates to a kind of drawbench dismantling bearing, and more particularly, it relates to a kind of pedestal drawbench.
Background technology
The usual interference of bearing is connected on axle, during dismounting, conventional means is knocked by the excellent direction of artificial use pad and dismantles, first people is low for knocking dismounting mode efficiency, take time and effort, next knocks and can cause damage to axle or bearing, and the appearance of drawbench to solve people be the problem that takes time and effort of dismounting bearing of knocking, and improve removal efficiency, conventional bearing puller is passing through thimble extrusion axis by three-jaw, active force and reaction force is utilized to be pulled out by bearing, or bearing is placed on clamping disk and is extracted by bearing by thimble extrusion axis equally by another kind of bearing puller.
Application number is a kind of Self-aligning screw bearing thruster described in 201320464813.7, bearing is placed on and has passed through between two pieces of drawing clamping plate to pull out screw rod and thrust beam is fixed, thrust beam offers U-lag, rise and pull out screw rod and can be free to slide in the capable groove of U, the position of drawing screw rod in U-lag is fixed by drawing nut, thrust beam offers screw, screw has been threaded pushing tow screw rod, active force and reaction force is utilized to extract bearing by pushing tow screw extruding axle, but pull out screw rod can slide arbitrarily in U-lag owing to rising, cannot ensure that aligning can only be observed artificially in the center of pushing tow screw rod aiming axis, but there is error in artificial adjustment after all, because pushing tow screw rod does not have the center of aiming axis, the moment that axle is overturn can be produced owing to being subject to eccentric mechanical axis at the process axis of pushing tow axle, the moment of this upset can cause axle to extrude bearing, because bearing axially just relies on bearing and drawing clamping plate frictional force that sidewall provides between two pieces of drawing clamping plate, if disalignment, pushing tow screw extruding place this turning torque far away is larger, may bearing inner race and axle will be made to be squeezed to wear and tear simultaneously, the larger required power in disalignment larger for axle and damage of the bearing larger.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of pedestal drawbench to ensure, and pushing tow screw acting is at axle center place, avoids producing turning torque and causes damage to axle and bearing, improve service life.
For achieving the above object, the utility model provides following technical scheme:
A kind of pedestal drawbench, comprise two pieces of drawing clamping plate, thrust beam and two rise and pull out screw rod, described two pieces of drawing clamping plate by two tie down screw cross-under be arranged in parallel together, tie down screw screw thread has the lock nut for regulating two pieces of drawing clamping plate spacing, the two ends of described thrust beam all arrange the U-lag of outward opening, described thrust beam also offers the gathering sill of outward opening, described gathering sill is positioned at the center of the U-lag that mirror image is arranged, described thrust beam has been threaded hydraulic pushing mechanism, in described U-lag and gathering sill, slippage is connected with core-regulating mechanism, described core-regulating mechanism comprises slippage and is connected to slipping block in U-lag and slippage and is connected to regulating block in gathering sill, described regulating block connects two pieces of slipping blocks respectively by two connecting rods, described connecting rod is all articulated with regulating block and slipping block, the slip of described regulating block in gathering sill synchronously can drive two pieces of slipping blocks inwardly or outwards moving in U-lag, described two pieces of slipping blocks all offer through hole, described through hole connects same U-lag, described to pull out screw rod in through-holes pluggable, and passed through to pull out nut thread and be connected to and pull out screw rod and fix the position of slipping block in U-lag, described core-regulating mechanism can ensure that hydraulic pushing mechanism is in two and works the center of pulling out screw rod.
Pass through technique scheme, replace original rising and pull out the slip employing core-regulating mechanism of screw rod in U-lag, to rise and pull out screw rod and be fixed in core-regulating mechanism, make hydraulic pushing mechanism can be in two all the time by core-regulating mechanism and pull out pitch place, ensure rise pull out the center that can withstand on axle in the process of bearing avoid axle produce upset moment make axle and the mutual extrusion abrasion of bearing, improve service life.
As preferably, the first slippage slot is had in described U-lag, described slipping block is provided with the first projection of the slippage that to match with the first slippage slot, offers the second slippage slot equally in described gathering sill, and described regulating block is provided with the second projection of the slippage that to match with the second slippage slot.
By upper technical scheme, mode of grooving is simply convenient to processing, and slipping block and regulating block installing/dismounting are more for convenience.
As preferably, described slipping block and regulating block are equipped with articulated column, and described contiguous block is provided with hinge hole, and described articulated column is articulated with in hinge hole.
By upper technical scheme, hinged the arranging of connecting rod realizes the slippage of regulating block in gathering sill and drives two pieces of slipping block synchronous slides, and this kind of articulated manner is simple.
As preferably, described is pulled out screw flight and is connected on drawing clamping plate.
By technique scheme, rise pull out screw flight connect be convenient to dismounting with assembling, saving placing space can be disassembled when not needed to pull out bearing.
As preferably, described hydraulic pushing mechanism comprises hydraulic jack and hydraulic jack joint, described hydraulic jack joint screw thread is connected in hydraulic jack, described hydraulic jack comprises piston rod, described thrust beam center offers screwed hole, described hydraulic jack outer wall is provided with hydraulic jack screw thread, hydraulic jack screw thread and screwed hole threaded engagement, and the rotation of hydraulic jack joint in hydraulic jack promotes the flexible of piston rod.
By upper technical scheme, adopt the laborsaving flexible extrusion axis being driven piston rod by rotational hydraulic cylinder connector of hydraulic mechanism, easy to operate.
Compared to existing technology, the advantage of a kind of pedestal drawbench described in the utility model is: ensure that hydraulic pushing mechanism acts on axle center place, avoids axle to produce turning torque and causes crush injury to axle itself and bearing, improve the service life of axle and bearing.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of a kind of pedestal drawbench of the utility model embodiment;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is that schematic diagram is assembled by the thrust beam of a kind of pedestal drawbench of the utility model embodiment and hydraulic pushing mechanism;
Fig. 4 is the B portion enlarged drawing of Fig. 3;
Fig. 5 is the C portion enlarged drawing of Fig. 3.
Fig. 6 is the top view of a kind of pedestal drawbench of the utility model embodiment.
Description of reference numerals: 1, drawing clamping plate group; 11, the first drawing clamping plate; 12, the second drawing clamping plate; 13, clamp area; 14, inclined-plane; 2, tie down screw; 21, lock nut; 3, rise and pull out screw rod; 31, rise and pull out nut; 4, thrust beam; 41, U-lag; 42, the first slippage slot; 43, gathering sill; 44, the second slippage slot; 5, hydraulic pushing mechanism; 51, hydraulic jack; 511, hydraulic jack screw thread; 52, hydraulic jack joint; 521, spanner; 53, piston rod; 6, slipping block; 61, through hole; 62, the first projection; 63, connecting rod; 64, articulated column; 7, regulating block; 71, the second projection.
Detailed description of the invention
With reference to accompanying drawing, a kind of pedestal drawbench of the utility model embodiment is described in further details.
See Fig. 1, Fig. 3 and Fig. 5, described a kind of pedestal drawbench comprises drawing clamping plate group 1, thrust beam 4 and hydraulic pushing mechanism 5, described drawing clamping plate group 1 comprises the first drawing clamping plate 11 and the second drawing clamping plate 12, described first drawing clamping plate 11 and the second drawing clamping plate 12 are by together with the cross-under of two tie down screws be arranged in parallel 2, described tie down screw 2 regulates the spacing between drawing clamping plate group 1 by lock nut 21, described drawing clamping plate group 1 is connected by two drawing screw rods 3 with thrust beam 4, described two drawing screw rods 3 are threadedly connected on the first drawing clamping plate 11 and the second drawing clamping plate 12 respectively, the two ends of described thrust beam 4 all arrange the U-lag 41 of outward opening, the described median plane at the U-lag 41 symmetry place that thrust beam 4 mirror image is offered also is provided with the gathering sill 43 of outward opening, core-regulating mechanism is connected with slippage in gathering sill 43 at the U-lag 41 of a pair mirror image setting.
See Fig. 2 to Fig. 6, two pieces of slipping blocks 6 seen by described core-regulating mechanism bag, one piece of regulating block 7 and two connecting rods 63 being connected regulating block 7 and slipping block 6, the U-lag 41 that described mirror image is arranged is communicated with the first slippage slot 42, described gathering sill 43 is communicated with the second slippage slot 44, described slipping block 6 is provided with the first projection 62, described regulating block 7 is provided with the second projection 71, described first projection 62 slippage is connected in the first slippage slot 42, described second projection 71 slippage is connected in the second slippage slot 44, described two connecting rods 63 all with slipping block 6 and regulating block 7 hinged, slipping block 6 with regulating block 7 are equipped with articulated column 64, articulated column 64 be located in the hinge hole on connecting rod 63 realizes hinged, described two pieces of slipping blocks 6 all offer for being equipped with the through hole 61 pulling out screw rod 3, the slippage of regulating block 7 in gathering sill 43 synchronously drives two pieces of slipping block 6 positions in the capable groove 41 of U by connecting rod 63, and because two pieces of slipping blocks 6 are arranged using the vertical plane at regulating block 7 place as symmetrical plane, therefore no matter how regulating block 7 slides and ensures to be in the center of two pieces of slipping block 6 lines all the time.
Thrust beam 4 center offers screwed hole, described screwed hole has been threaded hydraulic pushing mechanism 5, described hydraulic pushing mechanism 5 comprises hydraulic jack 51 and hydraulic jack joint 52, described hydraulic jack joint 52 is threadedly connected in hydraulic jack 51, hydraulic jack screw thread 511 is provided with outside hydraulic jack 51, hydraulic jack screw thread 511 coordinates with screwed hole, described hydraulic jack 51 comprises piston rod 53, hydraulic jack joint 52 is provided with spanner 521, drives piston rod 53 stretching in hydraulic jack 51 by the rotational of spanner 521.
First regulate drawing clamping plate group 1 also by the outer ring of lock nut 21 rigid bearing when mounted, screw on two and pull out screw rod 3, slidable adjustment block 7 makes the through hole 61 in two pieces of slipping blocks 6 aim at respectively and pulls out screw rod 3, ejection beam 4 on frame, be threaded connection in pull out on screw rod 3 pull out nut 31 and fix the position of slipping block 6 in U-lag 41, existence due to core-regulating mechanism does not need people to be the situation at transfer hydraulic pushing mechanism 5 aiming axis center, improve heart accuracy, avoid axle to be subject to eccentric force and produce turning torque, make mutual extrusion abrasion between axle and bearing.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a pedestal drawbench, comprise two pieces of drawing clamping plate, thrust beam and two rise and pull out screw rod, described two pieces of drawing clamping plate by two tie down screw cross-under be arranged in parallel together, tie down screw screw thread has the lock nut for regulating two pieces of drawing clamping plate spacing, it is characterized in that: the two ends of described thrust beam all arrange the U-lag of outward opening, described thrust beam also offers the gathering sill of outward opening, described gathering sill is positioned at the center of two U-lags that mirror image is arranged, described thrust beam has been threaded hydraulic pushing mechanism, in described U-lag and gathering sill, slippage is connected with core-regulating mechanism, described core-regulating mechanism comprises slippage and is connected to slipping block in U-lag and slippage and is connected to regulating block in gathering sill, described regulating block connects two pieces of slipping blocks respectively by two connecting rods, described connecting rod is all articulated with regulating block and slipping block, described two pieces of slipping blocks all offer through hole, described through hole is communicated with U-lag, described to pull out screw rod in through-holes pluggable, and passed through to pull out nut thread and be connected to and pull out screw rod and fix the position of slipping block in U-lag, the slip of described regulating block in gathering sill synchronously can drive two pieces of slipping blocks inwardly or outwards moving in U-lag.
2. a kind of pedestal drawbench according to claim 1, it is characterized in that: in described U-lag, have the first slippage slot, described slipping block is provided with the first projection of the slippage that to match with the first slippage slot, offer the second slippage slot equally in described gathering sill, described regulating block is provided with the second projection of the slippage that to match with the second slippage slot.
3. a kind of pedestal drawbench according to claim 2, it is characterized in that: described slipping block and regulating block are equipped with articulated column, described contiguous block is provided with hinge hole, and described articulated column is articulated with in hinge hole.
4. a kind of pedestal drawbench according to claim 1, is characterized in that: described is pulled out screw flight and be connected on drawing clamping plate.
5. a kind of pedestal drawbench according to claim 1, it is characterized in that: described hydraulic pushing mechanism comprises hydraulic jack and hydraulic jack joint, described hydraulic jack joint screw thread is connected in hydraulic jack, described hydraulic jack comprises piston rod, described thrust beam center offers screwed hole, described hydraulic jack outer wall is provided with hydraulic jack screw thread, hydraulic jack screw thread and screwed hole threaded engagement, and the rotation of hydraulic jack joint in hydraulic jack promotes the flexible of piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025319.XU CN204414005U (en) | 2015-01-14 | 2015-01-14 | A kind of pedestal drawbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025319.XU CN204414005U (en) | 2015-01-14 | 2015-01-14 | A kind of pedestal drawbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204414005U true CN204414005U (en) | 2015-06-24 |
Family
ID=53464411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520025319.XU Expired - Fee Related CN204414005U (en) | 2015-01-14 | 2015-01-14 | A kind of pedestal drawbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204414005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414915A (en) * | 2015-12-11 | 2016-03-23 | 江西昌河航空工业有限公司 | Main propeller hub and propeller shell assembly dismounting tool and method |
| CN107490516A (en) * | 2017-07-31 | 2017-12-19 | 郑州东辰科技有限公司 | A kind of drawing instrument |
-
2015
- 2015-01-14 CN CN201520025319.XU patent/CN204414005U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414915A (en) * | 2015-12-11 | 2016-03-23 | 江西昌河航空工业有限公司 | Main propeller hub and propeller shell assembly dismounting tool and method |
| CN105414915B (en) * | 2015-12-11 | 2017-10-10 | 江西昌河航空工业有限公司 | A kind of main hub oar shell component extracting tool and method |
| CN107490516A (en) * | 2017-07-31 | 2017-12-19 | 郑州东辰科技有限公司 | A kind of drawing instrument |
| CN107490516B (en) * | 2017-07-31 | 2023-11-21 | 郑州东辰科技有限公司 | Drawing instrument |
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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: 20150624 Termination date: 20160114 |