CN218264064U - Connecting device for excavator bucket - Google Patents
Connecting device for excavator bucket Download PDFInfo
- Publication number
- CN218264064U CN218264064U CN202221668731.XU CN202221668731U CN218264064U CN 218264064 U CN218264064 U CN 218264064U CN 202221668731 U CN202221668731 U CN 202221668731U CN 218264064 U CN218264064 U CN 218264064U
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- CN
- China
- Prior art keywords
- positioning
- sealing ring
- spring
- positioning pin
- groove
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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 - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 63
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to a connecting device that excavator scraper bowl was used, including locating pin and stop gear, stop gear includes spacing subassembly and supports and lean on the subassembly, this connecting device that excavator scraper bowl was used not only can realize the connection to the main part through stop gear, can also realize sealing to main part and locating pin simultaneously, prevent that outside impurity from getting into in the clearance between locating pin and the main part, realize the protection to the main part, prolong the life of main part, and here through the rotation of dwang, can also realize the regulation to the distance between first sealing ring and the second sealing ring, realize the connection to not equidimension main part, improve the practicality, here reduce the clearance between lead screw and the dwang upper groove through the positioning unit, thereby promote spacing effect, and the high practicality is realized.
Description
Technical Field
The utility model particularly relates to a connecting device that excavator scraper bowl was used.
Background
An excavator, also called excavating machine, also called excavator, is an earth moving machine which excavates materials above or below a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard, the materials excavated by the excavator mainly comprise soil, coal, silt and soil and rock after pre-loosening, and the excavator is relatively fast in development in recent years and becomes one of the most important engineering machines in engineering construction.
The connecting device that current scraper bowl was used, generally all connect through the round pin axle, but round pin axle and scraper bowl are interference fit, but clearance fit, and in the real work, when dust, gravel and sand grain got into the gap of round pin axle, not only can have partial lubricating grease, accelerated the wearing and tearing at round pin axle and both sides tangent plane position simultaneously, increased the maintenance cost, reduce the practicality.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the connecting device for the bucket of the excavator is provided.
The utility model provides a technical scheme that its technical problem adopted is: a connecting device for an excavator bucket comprises a positioning pin and a limiting mechanism, wherein the positioning pin is horizontally arranged, the limiting mechanism is arranged on the positioning pin, the limiting mechanism comprises a limiting assembly and a propping assembly, the limiting assembly and the propping assembly are respectively arranged at two ends of the positioning pin, and the limiting assembly and the propping assembly are arranged oppositely;
the abutting assembly comprises an abutting block, a first sealing ring and a first spring, the abutting block is arranged at one point of the positioning pin, the first sealing ring is sleeved on the positioning pin and is in sliding and sealing connection with the positioning pin, the first spring is arranged between the abutting block and the first sealing ring, the first spring is sleeved on the positioning pin, one end of the first spring is connected with the abutting block, and the other end of the first spring is connected with the first sealing ring;
the support includes second sealing ring, bearing frame, lead screw and dwang to leaning on the subassembly, the lead screw level sets up and keeps away from the one end of leaning on the piece at the locating pin, lead screw and the coaxial setting of locating pin, the lead screw is connected with the locating pin, the second sealing ring cover is established on the locating pin, the second sealing ring slides and sealing connection with the locating pin, first sealing ring is just to setting up with the second sealing ring, the dwang level sets up the one end of keeping away from the locating pin at the lead screw, be equipped with the cylindricality recess on the dwang, be equipped with the internal thread that matches with the lead screw on the inner wall of recess, the lead screw is kept away from the one end of locating pin and is stretched into in the recess, dwang and lead screw threaded connection, the bearing frame sets up and keeps away from one of first sealing ring at the second sealing ring and serves, the bearing frame cover is established on the locating pin, bearing frame and locating pin sliding connection, the dwang passes through the bearing frame and is connected with the second sealing ring.
As preferred, in order to reduce the clearance between the recess on lead screw and the dwang to promote spacing effect, the bottom of recess is equipped with the cylindricality constant head tank, constant head tank and the coaxial setting of recess, be equipped with positioning unit in the constant head tank, positioning unit includes locating lever, magnet and second spring, the one end that the lead screw is close to the dwang is equipped with the cylindricality spacing groove, the locating lever level sets up in the constant head tank, magnet is passed to the one end of locating lever and is connected with the bottom of constant head tank, the other end of locating lever stretches into the spacing inslot, locating lever and spacing groove sliding connection, the second spring sets up in the constant head tank, the second spring housing is established on the locating lever, the one end and the magnet of second spring are connected, the other end and the bottom of constant head tank of second spring are connected, the one end that the second spring was kept away from to magnet supports with the lead screw and lean on.
Preferably, in order to increase the surface hardness of the positioning rod and prolong the service life of the positioning rod, the outer ring of the positioning rod is coated with chromium.
The beneficial effects of the utility model are that, this connecting device that excavator scraper bowl was used not only can realize the connection to the main part through stop gear, can also realize the sealing to main part and locating pin simultaneously, prevent in the clearance between outside impurity entering locating pin and the main part, realize the protection to the main part, prolong the life of main part, and here through the rotation of dwang, can also realize the regulation to the distance between first sealing ring and the second sealing ring, realize the connection to not equidimension main part, the practicality is improved, here reduce the clearance between lead screw and the dwang upper groove through the positioning unit, thereby promote spacing effect, and the practicability is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of a coupling device for an excavator bucket according to the present invention;
in the figure: 1. the device comprises a positioning pin, 2, an abutting block, 3, a first sealing ring, 4, a first spring, 5, a second sealing ring, 6, a bearing seat, 7, a screw rod, 8, a rotating rod, 9, a positioning rod, 10, a magnet and 11, and a second spring.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the connecting device for the bucket of the excavator comprises a positioning pin 1 and a limiting mechanism, wherein the positioning pin 1 is horizontally arranged, the limiting mechanism is arranged on the positioning pin 1, the limiting mechanism comprises a limiting component and a propping component, the limiting component and the propping component are respectively arranged at two ends of the positioning pin 1, and the limiting component and the propping component are arranged in a manner of facing;
the abutting assembly comprises an abutting block 2, a first sealing ring 3 and a first spring 4, the abutting block 2 is arranged at one point of the positioning pin 1, the first sealing ring 3 is sleeved on the positioning pin 1, the first sealing ring 3 is in sliding and sealing connection with the positioning pin 1, the first spring 4 is arranged between the abutting block 2 and the first sealing ring 3, the first spring 4 is sleeved on the positioning pin 1, one end of the first spring 4 is connected with the abutting block 2, and the other end of the first spring 4 is connected with the first sealing ring 3;
the support includes second sealing ring 5, bearing frame 6, lead screw 7 and dwang 8 to leaning on the subassembly, 7 levels of lead screw set up and keep away from the one end of leaning on piece 2 at locating pin 1, lead screw 7 and 1 coaxial settings of locating pin, lead screw 7 is connected with locating pin 1, 5 covers of second sealing ring are established on locating pin 1, second sealing ring 5 slides and sealing connection with locating pin 1, first sealing ring 3 just to setting up with second sealing ring 5, the one end that locating pin 1 was kept away from at lead screw 7 to 8 levels of dwang set up, be equipped with the cylindricality recess on dwang 8, be equipped with the internal thread that matches with lead screw 7 on the inner wall of recess, the one end that locating pin 1 was kept away from to lead screw 7 is stretched into in the recess, dwang 8 and 7 threaded connection of lead screw, bearing frame 6 sets up and keeps away from on one end of first sealing ring 3 at second sealing ring 5, bearing frame 6 covers is established on locating pin 1, bearing frame 6 and locating pin 1 sliding connection, bearing frame 8 is connected with second sealing ring 5 through bearing frame 6.
As preferred, in order to reduce the clearance between the recess on lead screw 7 and the dwang 8 to promote spacing effect, the bottom of recess is equipped with the cylindricality constant head tank, constant head tank and the coaxial setting of recess, be equipped with the positioning unit in the constant head tank, the positioning unit includes locating lever 9, magnet 10 and second spring 11, the lead screw 7 is close to the one end of dwang 8 and is equipped with the cylindricality spacing groove, locating lever 9 level sets up in the constant head tank, magnet 10 sets up in the constant head tank, the one end of locating lever 9 is passed magnet 10 and is connected with the bottom of constant head tank, the other end of locating lever 9 stretches into the spacing inslot, locating lever 9 and spacing groove sliding connection, second spring 11 sets up in the constant head tank, second spring 11 cover is established on locating lever 9, the one end and the magnet 10 of second spring 11 are connected, the other end and the bottom of constant head tank of second spring 11 are connected, magnet 10 keeps away from the one end and lead screw 7 of second spring 11 and support and lean on.
Preferably, the outer ring of the positioning rod 9 is coated with chromium in order to increase the surface hardness of the positioning rod 9 and to prolong the service life of the positioning rod 9.
Here when needing to be connected the main part, at first the dwang 8 rotates, make dwang 8 and the lead screw 7 on the locating pin 1 separate, here because dwang 8 and lead screw 7 are threaded connection, so here when dwang 8 removes, can drive the bearing frame 6 simultaneously and remove, bearing frame 6 drive second sealing ring 5 takes place to remove, make second sealing ring 5 and locating pin 1 separate, at this moment remove locating pin 1, locating pin 1 drive lead screw 7 removes, make lead screw 7 pass the main part, at this moment locating pin 1 then is located the main part, make first sealing ring 3 support with the one end of main part simultaneously and lean on, at this moment first spring 4 is in compression state, through the restoring force of first spring 4 and the cooperation of first sealing ring 3, realize sealed and spacing to main part one end.
At this moment, remove dwang 8, make dwang 8 remove to lead screw 7 on, then rotate dwang 8, dwang 8 drive bearing frame 6 removes, bearing frame 6 drive second sealing ring 5 removes, make second sealing ring 5 and the one end that the first sealing ring 3 was kept away from to the main part support and lean on, at this moment lead screw 7 is located the recess, locating lever 9 is located the constant head tank on the lead screw 7 simultaneously, realize spacing to lead screw 7 through locating lever 9, and realize spacing to lead screw 7 here through magnet 10, at this moment second spring 11 is in compression state, here through the restoring force of second spring 11, reduce the clearance between lead screw 7 and the dwang 8 recess, promote spacing effect.
Here through the regulation of the distance between first sealing ring 3 and the second sealing ring 5, can realize the connection to not equidimension main part, improve the practicality.
Compared with the prior art, this connecting device that excavator scraper bowl was used not only can realize the connection to the main part through stop gear, can also realize simultaneously main part and locating pin 1 sealed, prevent that outside impurity from getting into in the clearance between locating pin 1 and the main part, realize the protection to the main part, the life of extension main part, and here through the rotation of dwang 8, can also realize the regulation to the distance between first sealing ring 3 and the second sealing ring 5, realize the connection to not equidimension main part, the high practicality, here reduces the clearance between lead screw 7 and the dwang 8 upper groove through the positioning unit, thereby promote spacing effect, and the high practicality is realized.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The connecting device for the excavator bucket comprises a positioning pin (1) and a limiting mechanism, wherein the positioning pin (1) is horizontally arranged, and the limiting mechanism is arranged on the positioning pin (1), and is characterized in that the limiting mechanism comprises a limiting assembly and a propping assembly, the limiting assembly and the propping assembly are respectively arranged at two ends of the positioning pin (1), and the limiting assembly and the propping assembly are arranged in an opposite mode;
the abutting assembly comprises an abutting block (2), a first sealing ring (3) and a first spring (4), the abutting block (2) is arranged at one end of the positioning pin (1), the first sealing ring (3) is sleeved on the positioning pin (1), the first sealing ring (3) is in sliding and sealing connection with the positioning pin (1), the first spring (4) is arranged between the abutting block (2) and the first sealing ring (3), the first spring (4) is sleeved on the positioning pin (1), one end of the first spring (4) is connected with the abutting block (2), and the other end of the first spring (4) is connected with the first sealing ring (3);
the abutting component comprises a second sealing ring (5), a bearing seat (6), a screw rod (7) and a rotating rod (8), the screw rod (7) is horizontally arranged at one end of the positioning pin (1) far away from the leaning block (2), the screw rod (7) is coaxially arranged with the positioning pin (1), the screw rod (7) is connected with the positioning pin (1), the second sealing ring (5) is sleeved on the positioning pin (1), the second sealing ring (5) is connected with the positioning pin (1) in a sliding and sealing way, the first sealing ring (3) and the second sealing ring (5) are arranged oppositely, the rotating rod (8) is horizontally arranged at one end of the screw rod (7) far away from the positioning pin (1), a cylindrical groove is arranged on the rotating rod (8), an internal thread matched with the screw rod (7) is arranged on the inner wall of the groove, one end of the screw rod (7) far away from the positioning pin (1) extends into the groove, the rotating rod (8) is in threaded connection with the screw rod (7), the bearing seat (6) is arranged at one end of the second sealing ring (5) far away from the first sealing ring (3), the bearing seat (6) is sleeved on the positioning pin (1), the bearing seat (6) is connected with the positioning pin (1) in a sliding way, the rotating rod (8) is connected with the second sealing ring (5) through a bearing seat (6).
2. The connecting device for the excavator bucket according to claim 1, wherein a cylindrical positioning groove is formed in the bottom end of the groove, the positioning groove and the groove are coaxially arranged, a positioning unit is arranged in the positioning groove and comprises a positioning rod (9), a magnet (10) and a second spring (11), a cylindrical limiting groove is formed in one end, close to the rotating rod (8), of the lead screw (7), the positioning rod (9) is horizontally arranged in the positioning groove, the magnet (10) is arranged in the positioning groove, one end of the positioning rod (9) penetrates through the magnet (10) to be connected with the bottom end of the positioning groove, the other end of the positioning rod (9) extends into the limiting groove, the positioning rod (9) is slidably connected with the limiting groove, the second spring (11) is arranged in the positioning groove, the second spring (11) is sleeved on the positioning rod (9), one end of the second spring (11) is connected with the magnet (10), the other end of the second spring (11) is connected with the bottom end of the positioning groove, and one end, far away from the second spring (11), of the magnet (10) abuts against the lead screw (7).
3. The coupling device for an excavator bucket according to claim 2 wherein the outer ring of the positioning rod (9) is coated with chromium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221668731.XU CN218264064U (en) | 2022-06-30 | 2022-06-30 | Connecting device for excavator bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221668731.XU CN218264064U (en) | 2022-06-30 | 2022-06-30 | Connecting device for excavator bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218264064U true CN218264064U (en) | 2023-01-10 |
Family
ID=84758104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221668731.XU Expired - Fee Related CN218264064U (en) | 2022-06-30 | 2022-06-30 | Connecting device for excavator bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218264064U (en) |
-
2022
- 2022-06-30 CN CN202221668731.XU patent/CN218264064U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230110 |