CN202763769U - Bushing dismounting device for excavator working mechanism - Google Patents
Bushing dismounting device for excavator working mechanism Download PDFInfo
- Publication number
- CN202763769U CN202763769U CN 201220377231 CN201220377231U CN202763769U CN 202763769 U CN202763769 U CN 202763769U CN 201220377231 CN201220377231 CN 201220377231 CN 201220377231 U CN201220377231 U CN 201220377231U CN 202763769 U CN202763769 U CN 202763769U
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- China
- Prior art keywords
- nut
- round nut
- matched
- baffle plate
- screw rod
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- 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 - Lifetime
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Abstract
The utility model discloses a bushing dismounting device for an excavator working mechanism, and belongs to the technical field of engineering machinery. The bushing dismounting device for the excavator working mechanism comprises locking nuts, a baffle round nut, a pawl, a spring, a pre-locking nut, a screw rod, a cylinder press plate, bearings, a pretightening nut and a rolling handle. Screw threads are engraved in an inner hole of the baffle round nut, four bevel grooves are arranged on the outer wall of the baffle round nut, screw thread are engraved on the front section of the outer wall of the baffle round nut, the small end face of the pawl is matched with the baffle round nut through the bevel grooves, the big end face of the pawl is matched with a bushing, the spring is matched with the screw threads at the front end of the outer wall of the baffle round nut, and the right end of the spring is matched with the pretightening nut. The screw rod penetrates the inner hole of the baffle round nut, screw threads engraved on the middle section of the screw rod are matched with the screw threads inside the inner hole of the baffle round nut, the left end of the screw rod is matched with the locking nuts through screw threads, and the right end of the screw rod is matched with the pretightening nut, a hexagonal prism is arranged on the tail portion of the right end of the screw rod and matched with the rolling handle, the bearings are arranged between the cylinder press plate and the screw rod, and the rolling handle is arranged on the tail portion of the right end of the screw rod. The bushing dismounting device for the excavator working mechanism is simple in structure and convenient to operate, using efficiency of an excavator is further improved, and the bushing dismounting device for the excavator working mechanism has good market prospects.
Description
Technical field
The utility model relates to a kind of provision for disengagement, and specifically a kind of provision for disengagement for the digger operating device lining belongs to technical field of engineering machinery.
Background technology
Excavator in the course of the work, the lining in the supporting of its equipment causes fit clearance to increase gradually owing to rubbing between frequent and the axle, causes in the course of time inefficacy, needs the lining that lining is dismantled and more renewed for this reason.In bushing dismounting process in the past, with flame the lining inwall is heated in a large number first, according to principle of expanding with heat and contracting with cold, in the process of its shrinkage, by instrument it is firmly pounded out.Because lining and equipment supporting are interference fit, this method wastes time and energy, and especially works in remote and mine etc. away from the area in maintenance place, and it is more inconvenient to operate, and has reduced the service efficiency of excavator.
The utility model content
For the problem that above-mentioned prior art exists, the utility model provides a kind of provision for disengagement for the digger operating device lining, and is simple in structure, easy to operate, further improves the service efficiency of excavator.
To achieve these goals, the technical solution adopted in the utility model is: a kind of provision for disengagement for the digger operating device lining, comprise locking nut, the baffle plate round nut, ratchet, spring, pre-load nut, screw mandrel, the cylinder pressing plate, bearing, clamp nut and rocking handle, baffle plate round nut endoporus is carved with screw thread, have four groove grooves on the outer wall, the outer wall leading portion is carved with screw thread, the ratchet small end face cooperates by the groove groove with the baffle plate round nut, large end face cooperates with lining, the threaded engagement of spring and baffle plate round nut outer wall front end, right-hand member cooperates with pre-load nut, screw mandrel passes baffle plate round nut endoporus, the screw thread that cooperates with baffle plate round nut endoporus is carved with in the stage casing, two ends are the multidiameter shape, left end is carved with screw thread, with the locking nut threaded engagement, right-hand member is carved with screw thread, cooperate with clamp nut, six prisms that the setting of right-hand member afterbody cooperates with rocking bar, bearing is arranged between cylinder pressing plate and the screw mandrel, and the outer ring cooperates with cylinder pressing plate inner hole thread, inner ring and screw mandrel right-hand member threaded engagement, fix by clamp nut, rocking handle is arranged on screw mandrel right-hand member afterbody, and is prismatic fixing by six.
The utility model is in the device that changes jobs during lining, the baffle plate round nut is at one end penetrated in the equipment lining, the stressed retraction of ratchet, after ratchet large end face end passes lining, attitude restores to the original state under the effect of spring pressure, drive the leading screw rotation by rocking handle, the leading screw rotation promotes the baffle plate round nut and ratchet moves along the lead screw shaft direction, ratchet moves exerts pressure to lining, lining is slowly extruded the equipment support holes, simple in structure, easy to carry, save the operating time, further improved the service efficiency of excavator.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the outline drawing of baffle plate round nut;
Fig. 3 is the outline drawing of cylinder pressing plate.
Among the figure: 1, locking nut, 2, the baffle plate round nut, 3, equipment, 4, lining, 5, ratchet, 6, spring, 7, pre-load nut, 8, screw mandrel, 9, the cylinder pressing plate, 10, bearing, 11, clamp nut, 12, rocking handle.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1: to achieve these goals, the technical solution adopted in the utility model is: a kind of provision for disengagement for the digger operating device lining, it is characterized in that, comprise locking nut 1, baffle plate round nut 2, ratchet 5, spring 6, pre-load nut 7, screw mandrel 8, cylinder pressing plate 9, bearing 10, clamp nut 11 and rocking handle 12, baffle plate round nut 2 endoporus are carved with screw thread, have four groove grooves on the outer wall, the outer wall leading portion is carved with screw thread, ratchet 5 small end faces cooperate by the groove groove with baffle plate round nut 2, in order to increase the contact area with lining, large end face is set to fan-shaped, the threaded engagement of spring 6 and baffle plate round nut 2 outer wall front ends, right-hand member cooperates with pre-load nut 7, screw mandrel 8 passes baffle plate round nut 2 endoporus, the screw thread that cooperates with baffle plate round nut 2 endoporus is carved with in the stage casing, two ends are the multidiameter shape, left end is carved with screw thread, with locking nut 1 threaded engagement, in order to guarantee that the screw mandrel 8 in the course of work can not come off, it is placed side by side that locking nut 1 arranges two nuts, right-hand member is carved with screw thread, cooperate with clamp nut 11, six prisms that the setting of right-hand member afterbody cooperates with rocking bar 12, bearing 10 is arranged between cylinder pressing plate 9 and the screw mandrel 8, and the outer ring cooperates with cylinder pressing plate 9 inner hole threads, inner ring and screw mandrel 8 right-hand member threaded engagement, fixing by clamp nut 11, rocking handle 12 is arranged on screw mandrel 8 right-hand member afterbodys, and is prismatic fixing by six.Observe its removed position during for the ease of lining 4 dismounting, cylinder pressing plate 9 outer walls fluting, the other end arranges step simultaneously, increases the contact area with equipment 1.
Excavator is in resleeve process more, 2 of baffle plate round nuts are at one end penetrated in equipment 3 linings 4, ratchet 5 stressed retractions, after ratchet 5 large end face ends pass lining 4, attitude restores to the original state under the effect of spring 6 pressure, drive leading screw 8 rotations by rocking handle 12, leading screw 8 rotations promote baffle plate round nut 2 and ratchet 5 moves along leading screw 8 direction of principal axis, ratchet 5 moves exerts pressure to lining 4, and lining 4 is slowly extruded equipment 3 support holes, simple in structure, easy to carry, save the operating time, further improved the service efficiency of excavator, had larger market prospects.
Claims (4)
1. provision for disengagement that is used for the digger operating device lining, it is characterized in that, comprise locking nut (1), baffle plate round nut (2), ratchet (5), spring (6), pre-load nut (7), screw mandrel (8), cylinder pressing plate (9), bearing (10), clamp nut (11) and rocking handle (12), described baffle plate round nut (2) endoporus is carved with screw thread, have four groove grooves on the outer wall, the outer wall leading portion is carved with screw thread, described ratchet (5) small end face cooperates by the groove groove with baffle plate round nut (2), large end face cooperates with lining (4), the threaded engagement of described spring (6) and baffle plate round nut (2) outer wall front end, right-hand member cooperates with pre-load nut (7), described screw mandrel (8) passes baffle plate round nut (2) endoporus, the screw thread that cooperates with baffle plate round nut (2) endoporus is carved with in the stage casing, two ends are the multidiameter shape, left end is carved with screw thread, with locking nut (1) threaded engagement, right-hand member is carved with screw thread, cooperate with clamp nut (11), six prisms that the setting of right-hand member afterbody cooperates with rocking bar (12), described bearing (10) is arranged between cylinder pressing plate (9) and the screw mandrel (8), the outer ring cooperates with cylinder pressing plate (9) inner hole thread, inner ring and screw mandrel (8) right-hand member threaded engagement, fixing by clamp nut (11), described rocking handle (12) is arranged on screw mandrel (8) right-hand member afterbody, and is prismatic fixing by six.
2. a kind of provision for disengagement for the digger operating device lining according to claim 1 is characterized in that, it is placed side by side that described locking nut (1) arranges two nuts.
3. a kind of provision for disengagement for the digger operating device lining according to claim 1 is characterized in that, described ratchet (5) large end face is fan-shaped.
4. a kind of provision for disengagement for the digger operating device lining according to claim 1 is characterized in that, described cylinder pressing plate (9) outer wall fluting, and an end is provided with step.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220377231 CN202763769U (en) | 2012-07-31 | 2012-07-31 | Bushing dismounting device for excavator working mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220377231 CN202763769U (en) | 2012-07-31 | 2012-07-31 | Bushing dismounting device for excavator working mechanism |
Publications (1)
Publication Number | Publication Date |
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CN202763769U true CN202763769U (en) | 2013-03-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220377231 Expired - Lifetime CN202763769U (en) | 2012-07-31 | 2012-07-31 | Bushing dismounting device for excavator working mechanism |
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CN (1) | CN202763769U (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107598831A (en) * | 2017-11-01 | 2018-01-19 | 中船澄西船舶修造有限公司 | Air conditioner compressed machine rotor disassembling fixture |
CN109890569A (en) * | 2016-10-07 | 2019-06-14 | 乔瓦尼·安德里娜 | For taking out and being inserted into the device of bushing |
CN110919596A (en) * | 2020-01-02 | 2020-03-27 | 中车青岛四方机车车辆股份有限公司 | Bush press-fitting device |
CN112421470A (en) * | 2020-11-09 | 2021-02-26 | 国网山东省电力公司济南供电公司 | Electric power threading pipe extracting tool |
CN113352270A (en) * | 2021-06-07 | 2021-09-07 | 杭州中德传动设备有限公司 | Dismounting device of blind hole installation shafting |
CN113878327A (en) * | 2021-09-22 | 2022-01-04 | 平高集团有限公司 | Shaft sleeve press-fitting device for assembling gear box |
CN114918645A (en) * | 2022-02-21 | 2022-08-19 | 邵亮 | Large-scale spiale sleeve location circle bush installation device |
-
2012
- 2012-07-31 CN CN 201220377231 patent/CN202763769U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109890569A (en) * | 2016-10-07 | 2019-06-14 | 乔瓦尼·安德里娜 | For taking out and being inserted into the device of bushing |
CN107598831A (en) * | 2017-11-01 | 2018-01-19 | 中船澄西船舶修造有限公司 | Air conditioner compressed machine rotor disassembling fixture |
CN110919596A (en) * | 2020-01-02 | 2020-03-27 | 中车青岛四方机车车辆股份有限公司 | Bush press-fitting device |
CN112421470A (en) * | 2020-11-09 | 2021-02-26 | 国网山东省电力公司济南供电公司 | Electric power threading pipe extracting tool |
CN113352270A (en) * | 2021-06-07 | 2021-09-07 | 杭州中德传动设备有限公司 | Dismounting device of blind hole installation shafting |
CN113878327A (en) * | 2021-09-22 | 2022-01-04 | 平高集团有限公司 | Shaft sleeve press-fitting device for assembling gear box |
CN114918645A (en) * | 2022-02-21 | 2022-08-19 | 邵亮 | Large-scale spiale sleeve location circle bush installation device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20130306 |
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CX01 | Expiry of patent term |