CN220769937U - Anti-retreating engineering machinery pin shaft - Google Patents
Anti-retreating engineering machinery pin shaft Download PDFInfo
- Publication number
- CN220769937U CN220769937U CN202322711508.XU CN202322711508U CN220769937U CN 220769937 U CN220769937 U CN 220769937U CN 202322711508 U CN202322711508 U CN 202322711508U CN 220769937 U CN220769937 U CN 220769937U
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- China
- Prior art keywords
- wear
- sleeve
- pin shaft
- mounting hole
- servo motor
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 12
- 238000005260 corrosion Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 13
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 6
- 230000002512 anti-withdrawal effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses an anti-withdrawal engineering machinery pin shaft, which relates to the technical field of pin shafts and comprises a limiting ring, wherein the pin shaft is arranged in the limiting ring, one side of the pin shaft is provided with a mounting hole, the bottom of one side of the inner wall of the mounting hole is provided with a forward and reverse rotation servo motor, the output shaft of the forward and reverse rotation servo motor is connected with a bidirectional screw rod, the top and the bottom of the bidirectional screw rod are respectively sheathed with a sliding block in a threaded manner, and the two sliding blocks are both arranged in the mounting hole in a sliding manner; the beneficial effects of the utility model are as follows: the anti-backing engineering machinery pin shaft is inserted into a corresponding working position in a sliding manner, the output shaft of the forward and reverse rotation servo motor is controlled to rotate to drive the bidirectional screw to rotate, the bidirectional screw is matched with the threads of the two sliding blocks to drive the two sliding blocks to slide outwards in the mounting hole, the two sliding blocks slide to drive the two anti-backing limiting blocks to displace respectively, and the two anti-backing limiting blocks are controlled to move to the outside of the pin shaft, so that a better anti-backing function is provided.
Description
Technical Field
The utility model relates to a pin shaft, in particular to a pin shaft of an anti-withdrawal engineering machine, and belongs to the technical field of pin shafts.
Background
The pin shaft is a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, is mainly used for the hinge joint of two parts to form hinge connection, is usually locked by a cotter pin, and is reliable in work and convenient to detach.
The utility model provides an engineering machine tool round pin axle structure that application number is "CN201921677111.0", this scheme can realize having a plurality of oil-out between round pin axle and the axle sleeve, carry out comprehensive lubrication, simultaneously can also adjust the size of play oil volume as required, economical and practical, the excavation has a plurality of rectangle slide on the main lower inner wall that refuels the pore, and a plurality of rectangle slide respectively correspond with a plurality of T shape slides, the bracing piece lower extreme extends to in the rectangle slide, when the pulling pull rod, the bracing piece removes more stably, further retrieve finding, the round pin hub connection subassembly of application number "CN201320512551.7" and round pin axle thereof, when connecting the work piece, this round pin axle and round pin hub connection subassembly need not spends time and be used for installing the axle baffle or insert spring clip (or cotter pin), only need rotatory dismouting that can realize each work piece, thereby work piece dismouting efficiency has been improved.
However, the pin shaft of the above type has a certain disadvantage in use, and is not provided with the anti-back component, so that the pin shaft is easy to loose or even fall off due to shaking or vibration in the long-time use process, and is inconvenient to provide a better anti-back function.
Disclosure of Invention
The utility model aims to provide a reverse-preventing engineering machinery pin shaft, which solves the problem that the prior art is inconvenient to provide a better reverse-preventing function.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prevent moving back engineering machine tool round pin axle, includes the spacing ring, the inside of spacing ring is equipped with the round pin axle, the mounting hole has been seted up to one side of round pin axle, the bottom of mounting hole inner wall one side is equipped with positive and negative rotation servo motor, positive and negative rotation servo motor's output shaft has two-way screw rod, two-way screw rod's top and the equal thread bush in bottom are equipped with the slider, two the slider all slides and sets up in the inside of mounting hole, one of them one side on slider top and one side on another slider bottom all are equipped with prevents moving back the stopper, the outside of round pin axle is equipped with durable protection subassembly.
As a preferable technical scheme of the utility model, the durable protection component comprises a supporting and reinforcing sleeve and a wear-resistant component, wherein the supporting and reinforcing sleeve is sleeved outside the pin shaft, the outer part of the supporting and reinforcing sleeve is sleeved with a heat-insulating and deformation-preventing protection sleeve, the outer part of the heat-insulating and deformation-preventing protection sleeve is sleeved with an anti-corrosion protection sleeve, and the wear-resistant component is arranged outside the anti-corrosion protection sleeve.
As a preferable technical scheme of the utility model, the wear-resistant component comprises a high manganese steel wear-resistant layer, wherein the high manganese steel wear-resistant layer is sleeved outside the anti-corrosion protective sleeve, a resin wear-resistant layer is sleeved outside the high manganese steel wear-resistant layer, and a ceramic particle wear-resistant coating is coated outside the resin wear-resistant layer.
As a preferable technical scheme of the utility model, the supporting reinforcement sleeve is made of an aluminum-magnesium alloy material, the heat-insulating deformation-preventing protective sleeve is made of a polyacrylic acid material, and the corrosion-preventing protective sleeve is made of a polytetrafluoroethylene material.
As a preferable technical scheme of the utility model, the top end of the bidirectional screw is provided with a limiting anti-drop block, and the middle part of the other side of the limiting ring is provided with a groove.
As a preferable technical scheme of the utility model, one side of the inner wall of the groove is provided with a dustproof heat dissipation net, and the other side of the inner wall of the groove is provided with a lithium battery.
As a preferable technical scheme of the utility model, a switch button is arranged at the top of one side of the limiting ring, and the positive and negative rotation servo motor is electrically connected with the lithium battery through the switch button.
Compared with the related art, the anti-withdrawal engineering machinery pin shaft provided by the utility model has the following structure
The beneficial effects are that:
the anti-backing engineering machinery pin shaft is inserted into a corresponding working position in a sliding manner, the output shaft of the forward and reverse rotation servo motor is controlled to rotate to drive the bidirectional screw to rotate, the bidirectional screw is matched with the threads of the two sliding blocks to drive the two sliding blocks to slide outwards in the mounting hole, the two sliding blocks slide to drive the two anti-backing limiting blocks to displace respectively, and the two anti-backing limiting blocks are controlled to move to the outside of the pin shaft, so that a better anti-backing function is provided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
In the figure: 1. a limiting ring; 2. a pin shaft; 3. a durable protective assembly; 31. supporting the reinforcing sleeve; 32. thermal insulation deformation-proof protective sleeve; 33. an anti-corrosion protective sleeve; 4. a mounting hole; 5. a forward and reverse rotation servo motor; 6. a wear assembly; 61. a high manganese steel wear-resistant layer; 62. a resin wear-resistant layer; 63. a ceramic particle wear-resistant coating; 7. a bidirectional screw; 8. a slide block; 9. an anti-withdrawal limiting block; 10. limiting anti-falling blocks; 11. a groove; 12. a dustproof heat dissipation net; 13. a lithium battery; 14. a switch button.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1-4, the utility model provides a reverse-preventing engineering machinery pin shaft, which comprises a limiting ring 1, wherein a pin shaft 2 is arranged in the limiting ring 1, one side of the pin shaft 2 is provided with a mounting hole 4, the bottom of one side of the inner wall of the mounting hole 4 is provided with a forward and reverse rotation servo motor 5, the output shaft of the forward and reverse rotation servo motor 5 is connected with a bidirectional screw rod 7, the top and the bottom of the bidirectional screw rod 7 are respectively sheathed with a sliding block 8 in a threaded manner, the two sliding blocks 8 are respectively arranged in the mounting hole 4 in a sliding manner, one side of the top end of one sliding block 8 and one side of the bottom end of the other sliding block 8 are respectively provided with a reverse-preventing limiting block 9, and the outside of the pin shaft 2 is provided with a durable protection component 3;
the top end of the bidirectional screw rod 7 is provided with a limiting anti-drop block 10, and the middle part of the other side of the limiting ring 1 is provided with a groove 11, so that a dustproof heat dissipation net 12 and a lithium battery 13 can be conveniently installed;
a dustproof heat dissipation net 12 is arranged on one side of the inner wall of the groove 11, and a lithium battery 13 is arranged on the other side of the inner wall of the groove 11, so that electricity is conveniently provided;
the top of one side of the limiting ring 1 is provided with a switch button 14, and the forward and reverse rotation servo motor 5 is electrically connected with the lithium battery 13 through the switch button 14, so that the work of the forward and reverse rotation servo motor 5 is conveniently controlled;
the durable protection component 3 comprises a supporting and reinforcing sleeve 31 and a wear-resistant component 6, wherein the supporting and reinforcing sleeve 31 is sleeved outside the pin shaft 2, a heat-insulating and deformation-preventing protection sleeve 32 is sleeved outside the supporting and reinforcing sleeve 31, a corrosion-resistant protection sleeve 33 is sleeved outside the heat-insulating and deformation-preventing protection sleeve 32, and the wear-resistant component 6 is arranged outside the corrosion-resistant protection sleeve 33 so as to provide wear-resistant protection;
the supporting reinforcement sleeve 31 is made of an aluminum magnesium alloy material, the heat-insulating deformation-preventing protective sleeve 32 is made of a polyacrylic acid material, and the anti-corrosion protective sleeve 33 is made of a polytetrafluoroethylene material, so that anti-corrosion protection is conveniently provided;
specifically, as shown in fig. 1, 2, 3 and 4, the support reinforcing sleeve 31 is first provided to facilitate the improvement of the support strength, the heat-insulating deformation-preventing protective sleeve 32 is provided to facilitate the heat-insulating deformation-preventing protection, and the corrosion-preventing protective sleeve 33 is provided to facilitate the corrosion-preventing protection.
Example 2:
the wear-resistant component 6 comprises a high manganese steel wear-resistant layer 61, the high manganese steel wear-resistant layer 61 is sleeved outside the anti-corrosion protective sleeve 33, a resin wear-resistant layer 62 is sleeved outside the high manganese steel wear-resistant layer 61, and a ceramic particle wear-resistant coating 63 is coated outside the resin wear-resistant layer 62, so that the wear resistance is improved;
specifically, as shown in fig. 1, 2 and 3, the first high manganese steel wear-resistant layer 61 is convenient for improving wear resistance by being matched with the resin wear-resistant layer 62 and the ceramic particle wear-resistant coating 63.
During the use, firstly, will prevent moving back engineering machine tool round pin axle and place at corresponding working position, then check and prevent moving back engineering machine tool round pin axle's each spare part and whether all work normally, check and confirm whether the electric quantity of lithium cell 13 is sufficient, the inspection is accomplished and can use, during the use, will prevent moving back engineering machine tool round pin axle and slide and insert corresponding working position, the output shaft rotation of the positive and negative rotation servo motor 5 that sets up through shift knob 14 drives bi-directional screw 7 and rotate, bi-directional screw 7 rotates through the screw thread cooperation with two sliders 8 and drives two sliders 8 and all slide outside in mounting hole 4, two sliders 8 slides and drive two anti-moving back stopper 9 displacement respectively, control two anti-moving back stopper 9 and all remove to the round pin axle 2 outside, be convenient for provide better anti-moving back function, the support reinforcement cover 31 that sets up is convenient for improving the support intensity, the thermal-insulated anti-deformation protection that prevents that sets up, the protective sheath 33 that sets up is convenient for provide anti-corrosion protection, the high manganese steel wearing layer 61 that sets up is convenient for improve the wearability through the wear-resisting layer 63 with resin wearing layer 62 that sets up.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a prevent moving back engineering machine tool round pin axle, includes spacing ring (1), its characterized in that, the inside of spacing ring (1) is equipped with round pin axle (2), mounting hole (4) have been seted up to one side of round pin axle (2), the bottom of mounting hole (4) inner wall one side is equipped with positive and negative rotation servo motor (5), the output shaft of positive and negative rotation servo motor (5) has bi-directional screw (7), the equal thread bush in top and bottom of bi-directional screw (7) is equipped with slider (8), two slider (8) all slide the inside that sets up in mounting hole (4), one of them one side on slider (8) top and one side of another slider (8) bottom all are equipped with prevent moving back stopper (9), the outside of round pin axle (2) is equipped with durable protection component (3).
2. The anti-back off construction machine pin according to claim 1, wherein: the durable protection component (3) comprises a supporting and reinforcing sleeve (31) and a wear-resisting component (6), the supporting and reinforcing sleeve (31) is sleeved outside the pin shaft (2), the outer sleeve of the supporting and reinforcing sleeve (31) is provided with a heat-insulating and deformation-preventing protection sleeve (32), the outer sleeve of the heat-insulating and deformation-preventing protection sleeve (32) is provided with an anti-corrosion protection sleeve (33), and the wear-resisting component (6) is arranged outside the anti-corrosion protection sleeve (33).
3. The anti-back off construction machine pin according to claim 2, wherein: the wear-resisting assembly (6) comprises a high manganese steel wear-resisting layer (61), the high manganese steel wear-resisting layer (61) is sleeved outside the anti-corrosion protective sleeve (33), a resin wear-resisting layer (62) is sleeved outside the high manganese steel wear-resisting layer (61), and a ceramic particle wear-resisting coating (63) is coated outside the resin wear-resisting layer (62).
4. The anti-back off construction machine pin according to claim 2, wherein: the supporting reinforcement sleeve (31) is made of an aluminum-magnesium alloy material, the heat-insulating deformation-preventing protection sleeve (32) is made of a polyacrylic acid material, and the anti-corrosion protection sleeve (33) is made of a polytetrafluoroethylene material.
5. The anti-back off construction machine pin according to claim 1, wherein: the top of the bidirectional screw rod (7) is provided with a limiting anti-drop block (10), and the middle of the other side of the limiting ring (1) is provided with a groove (11).
6. The anti-back off construction machine pin according to claim 5, wherein: one side of the inner wall of the groove (11) is provided with a dustproof heat dissipation net (12), and the other side of the inner wall of the groove (11) is provided with a lithium battery (13).
7. The anti-back off construction machine pin according to claim 6, wherein: the top of one side of the limiting ring (1) is provided with a switch button (14), and the positive and negative rotation servo motor (5) is electrically connected with the lithium battery (13) through the switch button (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322711508.XU CN220769937U (en) | 2023-10-10 | 2023-10-10 | Anti-retreating engineering machinery pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322711508.XU CN220769937U (en) | 2023-10-10 | 2023-10-10 | Anti-retreating engineering machinery pin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769937U true CN220769937U (en) | 2024-04-12 |
Family
ID=90613608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322711508.XU Active CN220769937U (en) | 2023-10-10 | 2023-10-10 | Anti-retreating engineering machinery pin shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769937U (en) |
-
2023
- 2023-10-10 CN CN202322711508.XU patent/CN220769937U/en active Active
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| GR01 | Patent grant |