CN213451143U - Mechanical locking device for engineering machinery supporting leg - Google Patents
Mechanical locking device for engineering machinery supporting leg Download PDFInfo
- Publication number
- CN213451143U CN213451143U CN202022387135.1U CN202022387135U CN213451143U CN 213451143 U CN213451143 U CN 213451143U CN 202022387135 U CN202022387135 U CN 202022387135U CN 213451143 U CN213451143 U CN 213451143U
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- China
- Prior art keywords
- rod
- landing leg
- fixedly provided
- clamping
- mounting
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of engineering machinery, in particular to an engineering machinery landing leg mechanical locking device, which comprises a supporting cross rod, a fixed block, a fixed part and an external thread rod, wherein a pull rod is fixedly arranged at the top of the clamping rod, a triangular clamping groove is fixedly arranged at the top of a second landing leg, the fixed part is fixedly sleeved at the outer side of the top of the second landing leg, nuts are fixedly arranged at two sides of the fixed part, a threaded rod is fixedly arranged at the inner side of the fixed part, an external thread rod is fixedly arranged at the top of the fixed part, a tightening part is fixedly arranged at the top of the external thread rod, the second landing leg is placed in the fixed part through the arranged tightening part and the external thread rod, the threaded rod penetrates through a through hole arranged on the second landing leg for fixing, and the tightening part arranged at the outer side of, when the device is used, the operation is more convenient and easier, and the working efficiency is improved.
Description
Technical Field
The utility model relates to an engineering machine tool technical field specifically is an engineering machine tool landing leg machinery locking means.
Background
Construction machines are an important component of the equipment industry. In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery. The method is mainly used in the fields of national defense construction engineering, transportation construction, energy industry construction and production, raw material industry construction and production of mines and the like, agriculture, forestry, water conservancy construction, industrial and civil buildings, urban construction, environmental protection and the like.
The mechanical locking device for the existing supporting legs has the advantages that when a worker uses the mechanical locking device, the operation is inconvenient, the operation is usually very inconvenient, time and labor are wasted, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engineering machine tool landing leg machinery locking means to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a mechanical locking device for supporting legs of engineering machinery comprises a supporting cross bar, a fixing block, a fixing piece and an external thread rod, wherein the top of the supporting cross bar is fixedly provided with the fixing block, the top of the fixing block is fixedly provided with a second supporting leg, the two sides of the second supporting leg are fixedly provided with inclined rods, the inside of the supporting cross bar is positioned at the bottom of the inclined rods and is fixedly provided with a clamping groove, one side inside the clamping groove is fixedly provided with a limiting socket limiting block, one side of the limiting socket limiting block is fixedly provided with a limiting socket, the outer side of the limiting socket is fixedly sleeved with a pressure spring, one side of the limiting socket is fixedly provided with a clamping rod, the outer side of the clamping rod is fixedly provided with an inclined rod clamping block, the top of the clamping rod is fixedly provided with a pull rod, the top of the second supporting leg is, the inboard fixed mounting of mounting has the threaded rod, mounting top fixed mounting has the external screw thread pole, external screw thread pole top fixed mounting has the piece of receiving, the inside fixed mounting that receives the piece top fixed mounting has first landing leg, first landing leg bottom is located the stopper, the inside fixed shrink steel sheet that is equipped with of piece of receiving.
Preferably, the bottom of the second leg is connected with a clamping block.
Preferably, the threaded rod fixedly connects the second support leg with the fixing member through a through hole formed in the second support leg.
Preferably, the clamping rod is inserted through a through hole formed in the inclined rod clamping block.
Preferably, the bottom of the pull rod is connected with the clamping rod through a notch formed in the supporting cross rod.
Preferably, the tightening piece is sleeved outside the external thread rod, and the surface of the tightening piece is provided with friction-increasing stripes.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through the tightening member and the external screw thread pole that set up, place the mounting with the second landing leg inside, the through-hole that the second landing leg was seted up through the threaded rod interlude is fixed, through rotating the tightening member of the installation of the external screw thread pole outside for the shrink steel sheet is to the internal contraction, thereby locks the second landing leg, and when making the device use, it is more convenient, and easier operation has improved work efficiency.
2. The utility model discloses in, through shrink steel sheet and the triangle draw-in groove that sets up, when rotating the tightening member of the installation of the external screw thread pole outside for after the shrink steel sheet is to the internal contraction, shrink steel sheet joint is in the triangle draw-in groove, makes between second landing leg and the first landing leg locking tighter, when making the device use, and is more stable safety.
3. The utility model discloses in, through the down tube fixture block and the kelly that set up, pull out the kelly from the down tube fixture block through promoting the pull rod, can take off the down tube from supporting the horizontal pole, the second landing leg passes through the fixture block and takes out from the fixed block, when making the device use, convenient to detach and installation more.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an internal structure view of the present invention;
FIG. 3 is an enlarged view of area A of the present invention;
in the figure: 1-supporting cross rod, 2-fixing block, 3-fixing block, 4-external thread rod, 5-tightening block, 6-first supporting leg, 7-nut, 8-second supporting leg, 9-diagonal rod, 10-contraction steel sheet, 11-limiting block, 12-triangular clamping groove, 13-threaded rod, 14-clamping block, 15-limiting socket, 16-clamping rod, 17-diagonal clamping block, 18-pressure spring, 19-pull rod, 20-limiting socket limiting block and 21-clamping groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a mechanical locking device for supporting legs of engineering machinery comprises a supporting cross rod 1, a fixing block 2, a fixing piece 3 and an external threaded rod 4, wherein the fixing block 2 is fixedly installed at the top of the supporting cross rod 1, a second supporting leg 8 is fixedly installed at the top of the fixing block 2, the bottom of the second supporting leg 8 is connected with a clamping block 14, oblique rods 9 are fixedly installed at two sides of the second supporting leg 8, a clamping groove 21 is fixedly formed in the supporting cross rod 1 and located at the bottom of the oblique rod 9, a limiting socket limiting block 20 is fixedly installed at one side inside the clamping groove 21, a limiting socket 15 is fixedly installed at one side of the limiting socket limiting block 20, a pressure spring 18 is fixedly sleeved outside the limiting socket 15, a clamping rod 16 is fixedly installed at one side of the limiting socket 15, the clamping rod 16 penetrates through a through hole formed in the oblique rod clamping block 17, an oblique rod clamping block 17 is fixedly installed outside the clamping rod 16, a pull rod, triangle draw-in groove 12 has been fixed to have seted up at 8 tops of second landing leg, 8 top outside fixed cover of second landing leg are equipped with mounting 3, 3 both sides fixed mounting of mounting have nut 7, 3 inboard fixed mounting of mounting have a threaded rod 13, the through-hole that threaded rod 13 was seted up through 8 second landing legs is with 8 and 3 fixed connection of mounting, 3 top fixed mounting of mounting have external screw thread pole 4, 4 top fixed mounting of external screw thread pole have tightening piece 5, the 5 covers of tightening piece are established in the 4 outsides of external screw thread pole, and 5 surfaces of tightening piece are equipped with 5 top fixed mounting of fricative strip tightening piece and have first landing leg 6, 6 bottoms of first landing leg are located 5 inside fixed mounting of tightening piece and have stopper 11, the inside fixed shrink steel sheet 10 that is equipped with of tightening piece 5.
The utility model discloses work flow: when the locking device is used, the clamping block 14 arranged at the bottom of the second supporting leg 8 is inserted into the fixing block 2, the pull rod 19 is pushed, the inclined rod clamping block 17 is inserted into the clamping groove 21, the pull rod 19 is loosened, the clamping rod 16 is pushed by the elasticity of the pressure spring 18 to be inserted into the inclined rod clamping block 17, the second supporting leg 8 is placed in the fixing part 3, the threaded rod 13 is inserted into the through hole formed in the second supporting leg 8 for fixing, the contraction steel sheet 10 is inwards contracted by rotating the tightening part 5 arranged on the outer side of the external threaded rod 4, so that the second supporting leg 8 is locked, when the tightening part 5 arranged on the outer side of the external threaded rod 4 is rotated, so that the contraction steel sheet 10 is inwards contracted, the contraction steel sheet 10 is clamped in the triangular clamping groove 12, the locking between the second supporting leg 8 and the first supporting leg 6 is tighter, the clamping rod 16 is pulled out of the inclined rod clamping block 17 by pushing the pull rod 19, so that the inclined rod 9 can be, the second supporting leg 8 is taken out of the fixing block 2 through the clamping block 14, so that the fixing block is more convenient to detach and install during use, and has certain popularization value.
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. The utility model provides an engineering machine tool landing leg machinery locking means, includes support horizontal pole (1), fixed block (2), mounting (3) and external screw thread pole (4), its characterized in that: the top of the supporting cross rod (1) is fixedly provided with a fixed block (2), the top of the fixed block (2) is fixedly provided with a second supporting leg (8), two sides of the second supporting leg (8) are fixedly provided with an inclined rod (9), the inside of the supporting cross rod (1) is positioned at the bottom of the inclined rod (9) and is fixedly provided with a clamping groove (21), one side of the inside of the clamping groove (21) is fixedly provided with a limiting socket stopper (20), one side of the limiting socket stopper (20) is fixedly provided with a limiting socket (15), the outside of the limiting socket (15) is fixedly provided with a pressure spring (18), one side of the limiting socket (15) is fixedly provided with a clamping rod (16), the outside of the clamping rod (16) is fixedly provided with an inclined rod clamping block (17), the top of the clamping rod (16) is fixedly provided with a pull rod (19), and the top of the second, second landing leg (8) top outside fixed cover is equipped with mounting (3), mounting (3) both sides fixed mounting has nut (7), mounting (3) inboard fixed mounting has threaded rod (13), mounting (3) top fixed mounting has external screw thread pole (4), external screw thread pole (4) top fixed mounting has packing up piece (5), packing up piece (5) top fixed mounting has first landing leg (6), first landing leg (6) bottom is located packing up piece (5) inside fixed mounting has stopper (11), packing up piece (5) inside fixed is equipped with shrink steel sheet (10).
2. The mechanical locking device for the engineering machinery landing leg as claimed in claim 1, wherein: the bottom of the second supporting leg (8) is connected with a clamping block (14).
3. The mechanical locking device for the engineering machinery landing leg as claimed in claim 1, wherein: the threaded rod (13) is used for fixedly connecting the second supporting leg (8) with the fixing piece (3) through a through hole formed in the second supporting leg (8).
4. The mechanical locking device for the engineering machinery landing leg as claimed in claim 1, wherein: the clamping rod (16) penetrates through a through hole formed in the inclined rod clamping block (17).
5. The mechanical locking device for the engineering machinery landing leg as claimed in claim 1, wherein: the bottom of the pull rod (19) is connected with the clamping rod (16) through a notch formed in the supporting cross rod (1).
6. The mechanical locking device for the engineering machinery landing leg as claimed in claim 1, wherein: the tightening piece (5) is sleeved on the outer side of the external thread rod (4), and the surface of the tightening piece (5) is provided with stripes for increasing friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022387135.1U CN213451143U (en) | 2020-10-23 | 2020-10-23 | Mechanical locking device for engineering machinery supporting leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022387135.1U CN213451143U (en) | 2020-10-23 | 2020-10-23 | Mechanical locking device for engineering machinery supporting leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451143U true CN213451143U (en) | 2021-06-15 |
Family
ID=76294376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022387135.1U Expired - Fee Related CN213451143U (en) | 2020-10-23 | 2020-10-23 | Mechanical locking device for engineering machinery supporting leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113708554A (en) * | 2021-09-01 | 2021-11-26 | 赖永君 | Vibration-proof power motor |
-
2020
- 2020-10-23 CN CN202022387135.1U patent/CN213451143U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113708554A (en) * | 2021-09-01 | 2021-11-26 | 赖永君 | Vibration-proof power motor |
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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: 20210615 Termination date: 20211023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |