CN212893799U - Hydraulic lifting mechanism of engineering machinery - Google Patents
Hydraulic lifting mechanism of engineering machinery Download PDFInfo
- Publication number
- CN212893799U CN212893799U CN202021531748.1U CN202021531748U CN212893799U CN 212893799 U CN212893799 U CN 212893799U CN 202021531748 U CN202021531748 U CN 202021531748U CN 212893799 U CN212893799 U CN 212893799U
- Authority
- CN
- China
- Prior art keywords
- block
- hydraulic cylinder
- lifting mechanism
- engineering machinery
- hydraulic
- 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
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 11
- 230000008602 contraction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a hydraulic lifting mechanism of engineering machinery, which relates to the technical field of hydraulic equipment and comprises a first hydraulic cylinder, wherein a support plate is fixedly arranged on a cylinder body of the first hydraulic cylinder, a limit groove is arranged on the support plate, a fixed block is fixedly arranged on a piston rod of the first hydraulic cylinder, an installation cavity is arranged at the inner side of the fixed block, an anti-drop part is arranged inside the installation cavity, the anti-drop part comprises an inner inclined surface block inserted into the limit groove, and a sliding rod is fixedly arranged at one end of the inclined surface block. When the falling is performed, the lower surface of the bevel block is parallel to the limiting groove, and the lower surface of the bevel block is limited by the limiting groove to achieve the anti-falling purpose.
Description
Technical Field
The utility model relates to a hydraulic equipment technical field specifically is an engineering machine tool hydraulic lifting mechanism.
Background
The hydraulic cylinder is used as a power source of the lifting mechanism, and the lifting mechanism is driven to lift through the extension and contraction of the hydraulic cylinder. If drive part became invalid in the use, leak pressure or hydraulic oil transport pipe appear breakage etc. like the pneumatic cylinder, all can lead to rising to the direct quick decline of aerial article, if when promoting fragile article, can lead to the damage of article when falling fast, in case take place the emergence that the whereabouts extremely leads to the incident easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engineering machine tool hydraulic lifting mechanism can carry on spacingly to hoist mechanism, through the use of anticreep part, can lock the operation when the driver part became invalid, prevents hoist mechanism's suddenly falling.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an engineering machine tool hydraulic lifting mechanism, includes first pneumatic cylinder, fixed mounting has the backup pad on the cylinder body of first pneumatic cylinder, the spacing groove has been seted up to the backup pad, fixed mounting has the fixed block on the piston rod of first pneumatic cylinder, the inboard of fixed block is provided with the installation cavity, the inside of installation cavity is provided with the anticreep part, the anticreep part is including inserting the inside sloping block of spacing groove, the one end fixed mounting of sloping block has the slide bar, the one end of slide bar slides and pegs graft in the installation cavity, the one end of slide bar is provided with the kicking block, the inside fixed mounting of installation cavity has the second pneumatic cylinder, fixed mounting has the movable block on the second pneumatic cylinder, fixedly connected with spring on the movable block, the one end fixed connection of spring is on the anticree.
Preferably, the number of the limiting grooves is provided with a plurality of limiting grooves which are uniformly arranged along the direction of the first hydraulic cylinder.
Preferably, the support plate is shaped like an 'L', and the vertical surface of the support plate and the piston rod of the first hydraulic cylinder are arranged in parallel.
Preferably, a pull rod is fixedly connected to the ejector block, and one end of the pull rod penetrates through the spring.
Preferably, one end of the pull rod is in sliding insertion connection with the moving block, and one end of the pull rod is provided with the auxiliary block.
Preferably, the upper surface of the inclined plane block is set to be in an inclined state, and the height of the upper end of the inclined plane block is gradually reduced towards the limiting groove.
Compared with the prior art, the beneficial effects of the utility model are that: this engineering machine tool hydraulic lifting mechanism: the hydraulic cylinder is used as a driving part of the lifting mechanism, the anti-falling part arranged on the hydraulic cylinder is inserted into the supporting plate, the hydraulic cylinder can be locked when the hydraulic cylinder fails, sudden falling during the lifting process is avoided, the anti-falling part can be contracted through the compression of the spring during the upward movement process to realize upward movement, and the anti-falling part is limited by the limiting groove to achieve the anti-falling purpose due to the fact that the lower surface of the slope block is parallel to the limiting groove during falling; when the falling-back equipment is carried out, the anti-falling part can be pulled to leave the limiting groove by synchronous contraction of the second hydraulic cylinder, and then the falling-back operation can be carried out.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged view of the position a of the present invention.
Fig. 3 is a schematic view of the bevel block structure of the present invention.
In the figure: 10. a first hydraulic cylinder; 12. a support plate; 13. a limiting groove; 14. a fixed block; 15. a mounting cavity; 16. a slide bar; 17. a top block; 18. a bevel block; 21. a second hydraulic cylinder; 22. a moving block; 23. a spring; 24. a pull rod; 25. and an auxiliary block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a hydraulic lifting mechanism of engineering machinery comprises a first hydraulic cylinder 10, a support plate 12 is fixedly installed on a cylinder body of the first hydraulic cylinder 10, the support plate 12 is arranged in an L shape, a vertical surface of the support plate 12 and a piston rod of the first hydraulic cylinder 10 are arranged in parallel, the support plate 12 is arranged along the direction of the piston rod of the first hydraulic cylinder 10, a limit groove 13 is formed in the support plate 12, a fixed block 14 is fixedly installed on the piston rod of the first hydraulic cylinder 10, the fixed block 14 can move along with the piston rod, an installation cavity 15 is arranged on the inner side of the fixed block 14, an anti-falling part is arranged inside the installation cavity 15 and is inserted into the limit groove 13, the oil cylinder is limited through the anti-falling part, locking can be carried out when the first hydraulic cylinder 10 fails, sudden falling in the lifting process is avoided, the anti-falling part comprises an inner inclined surface block 18 inserted into, one end of the inclined block 18 is fixedly provided with a sliding rod 16, the sliding rod 16 can drive the inclined block 18 to displace, one end of the sliding rod 16 is inserted in the installation cavity 15 in a sliding manner, one end of the sliding rod 16 is provided with a top block 17, the top block 17 prevents the sliding rod 16 from separating from the installation cavity 15, the sliding rod 16 is limited, a second hydraulic cylinder 21 is fixedly arranged in the installation cavity 15, a moving block 22 is fixedly arranged on the second hydraulic cylinder 21, a spring 23 is fixedly connected on the moving block 22, one end of the spring 23 is fixedly connected on the anti-falling part, the upper surface of the inclined block 18 is set to be in an inclined state, the height of the upper end of the inclined block 18 in the direction towards the limiting groove 13 is gradually reduced, when the first hydraulic cylinder 10 extends upwards, the anti-falling part can displace upwards, because the upper surface of the inclined block 18 is in an inclined state, the limiting groove 13 exerts a lateral thrust on the inclined, so that the spring 23 is compressed, the anti-falling part can be contracted to move upwards, and when falling, the lower surface of the inclined plane block 18 is parallel to the limiting groove 13 and is limited by the limiting groove 13 to achieve the anti-falling purpose.
Referring to fig. 1, the number of the limiting grooves 13 is provided with a plurality of limiting grooves 13, the plurality of limiting grooves 13 are uniformly arranged along the direction of the first hydraulic cylinder 10, and the plurality of limiting grooves 13 are arranged to ensure that the first hydraulic cylinder 10 can be limited in the extending direction.
Referring to fig. 1 and 2, a pull rod 24 is fixedly connected to the top block 17, one end of the pull rod 24 penetrates through the spring 23, one end of the pull rod 24 is slidably inserted into the moving block 22, and an auxiliary block 25 is disposed at one end of the pull rod 24, so that when the first hydraulic cylinder 10 is retracted, the second hydraulic cylinder 21 is synchronously retracted to pull the anti-drop component away from the limiting groove 13, and then the drop-back operation can be performed.
The utility model discloses a theory of operation: when the hydraulic cylinder 10 falls back, the synchronous contraction of the second hydraulic cylinder 21 pulls the anti-falling part to leave the limiting groove 13, and after the limiting of the anti-falling part is lost, the first hydraulic cylinder 10 can carry out the falling operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A hydraulic lifting mechanism of engineering machinery comprises a first hydraulic cylinder (10), and is characterized in that: a support plate (12) is fixedly mounted on a cylinder body of the first hydraulic cylinder (10), a limiting groove (13) is formed in the support plate (12), a fixed block (14) is fixedly mounted on a piston rod of the first hydraulic cylinder (10), a mounting cavity (15) is arranged on the inner side of the fixed block (14), an anti-falling part is arranged inside the mounting cavity (15), the anti-falling part comprises an inclined block (18) inserted into the limiting groove (13), a sliding rod (16) is fixedly mounted at one end of the inclined block (18), one end of the sliding rod (16) is slidably inserted into the mounting cavity (15), a top block (17) is arranged at one end of the sliding rod (16), a second hydraulic cylinder (21) is fixedly mounted inside the mounting cavity (15), a moving block (22) is fixedly mounted on the second hydraulic cylinder (21), and a spring (23) is fixedly connected to the moving block (22), one end of the spring (23) is fixedly connected to the anti-falling part.
2. The hydraulic lifting mechanism of engineering machinery according to claim 1, characterized in that: the number of the limiting grooves (13) is provided with a plurality of limiting grooves (13) which are uniformly arranged along the direction of the first hydraulic cylinder (10).
3. The hydraulic lifting mechanism of engineering machinery according to claim 1, characterized in that: the shape of the support plate (12) is set to be L-shaped, and the vertical surface of the support plate (12) and the piston rod of the first hydraulic cylinder (10) are arranged in parallel.
4. The hydraulic lifting mechanism of engineering machinery according to claim 1, characterized in that: the ejection block (17) is fixedly connected with a pull rod (24), and one end of the pull rod (24) penetrates through the spring (23).
5. The hydraulic lifting mechanism of engineering machinery according to claim 4, characterized in that: one end of the pull rod (24) is in sliding insertion connection with the moving block (22), and one end of the pull rod (24) is provided with an auxiliary block (25).
6. The hydraulic lifting mechanism of engineering machinery according to claim 1, characterized in that: the upper surface of the inclined surface block (18) is set to be in an inclined state, and the height of the upper end of the inclined surface block (18) is gradually reduced in the direction towards the limiting groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021531748.1U CN212893799U (en) | 2020-07-29 | 2020-07-29 | Hydraulic lifting mechanism of engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021531748.1U CN212893799U (en) | 2020-07-29 | 2020-07-29 | Hydraulic lifting mechanism of engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212893799U true CN212893799U (en) | 2021-04-06 |
Family
ID=75230283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021531748.1U Expired - Fee Related CN212893799U (en) | 2020-07-29 | 2020-07-29 | Hydraulic lifting mechanism of engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212893799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575571A (en) * | 2022-03-15 | 2022-06-03 | 江苏南通二建集团有限公司 | Movable building scaffold with height capable of being stably adjusted |
| CN116789025A (en) * | 2022-03-12 | 2023-09-22 | 丁安琦 | Multistage piston hydraulic tension oil cylinder |
-
2020
- 2020-07-29 CN CN202021531748.1U patent/CN212893799U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116789025A (en) * | 2022-03-12 | 2023-09-22 | 丁安琦 | Multistage piston hydraulic tension oil cylinder |
| CN114575571A (en) * | 2022-03-15 | 2022-06-03 | 江苏南通二建集团有限公司 | Movable building scaffold with height capable of being stably adjusted |
| CN114575571B (en) * | 2022-03-15 | 2023-09-01 | 江苏南通二建集团有限公司 | But height-adjusting's portable building construction frame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212893799U (en) | Hydraulic lifting mechanism of engineering machinery | |
| CN104925533A (en) | Stacking forming device for material in stacking machine | |
| CN107152298B (en) | Support device for retracting hydraulic support and fully-mechanized mining support equipment | |
| CN103252917A (en) | Elastic lifting device for small and medium size table hydraulic machine and moving method thereof | |
| CN112389824A (en) | Storage logistics goods transport case | |
| CN219028374U (en) | Reset mechanism of plastic plate processing device | |
| CN217701322U (en) | Stepping cold bed traction device | |
| CN209868908U (en) | Movable oil cylinder mechanism for hydraulic system of ceramic high-pressure grouting machine | |
| CN112025538B (en) | Double-station lower positioning device of vertical honing machine | |
| CN212857497U (en) | Intelligent stamping forming device for new energy automobile body | |
| CN209176167U (en) | A kind of manufacture mold of friction lining | |
| CN207682740U (en) | A kind of fixture hoisting equipment promoted | |
| CN213614139U (en) | Plate-drawing and blank-discharging device | |
| CN217263197U (en) | Side wall inner panel mould extracting device | |
| CN213445973U (en) | Jack piston rod withdrawing device | |
| CN219489355U (en) | Hoisting tool for module | |
| CN218903202U (en) | Bent pipe forming and stamping device | |
| CN214569010U (en) | Automatic article carrying device for assembly line | |
| CN210705873U (en) | Automatic mechanism of loosing core of rubber spare | |
| CN214211855U (en) | Mould convenient to drawing of patterns is used in processing of five metals accessories | |
| CN217600281U (en) | Hydraulic jack with locking mechanism | |
| CN220393843U (en) | Feeding device of crankshaft quenching equipment | |
| CN220078292U (en) | Numerical control lifting appliance | |
| CN220549086U (en) | Transportation loading board for piston machining | |
| CN217595721U (en) | Stamping transfer manipulator |
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: 20210406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |