CN210480626U

CN210480626U - Crane support leg

Info

Publication number: CN210480626U
Application number: CN201921220732.6U
Authority: CN
Inventors: 贾钫婷
Original assignee: Shanghai Jinyu Machinery Co ltd
Current assignee: Shanghai Jinyu Machinery Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-05-08
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a crane leg, including the connecting seat, the top fixedly connected with spliced pole of connecting seat, the bottom of connecting seat is through the first supporting leg of first pneumatic cylinder fixedly connected with, the left and right sides of connecting seat all has side strutting arrangement through construction bolt threaded connection. The utility model discloses a set up first pneumatic cylinder, first supporting foot, construction bolt and side strutting arrangement, the problem that common crane landing leg bearing performance is not good has been solved, through the side strutting arrangement that can carry out the position transform, it carries out the support to the hoist simultaneously to cooperate first supporting foot, complementary improvement the bearing area, the bearing performance of the whole crane landing leg of improvement that can maximize, can conveniently adjust according to required bearing capacity, can not cause rocking of hoist, difficult slipping, the production of major accident has been avoided, danger and uncertainty in the transport operation have been reduced.

Description

Crane support leg

Technical Field

The utility model relates to a hoist technical field specifically is a crane landing leg.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a navigation crane and a crane, and the bridge crane is a hoisting device which is transversely arranged above a workshop, a warehouse and a stock yard for hoisting materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment, and the bridge crane is a crane machine with the widest application range and the largest quantity.

The crane needs to carry the very important article, consequently in handling, the stability of crane self is very important, in order to keep the stability of crane, can support the hoist through the landing leg usually, common crane landing leg bearing performance is not good, often only possess single bearing leg and support, probably lead to the bearing capacity not enough, skid easily, and cause the hoist to rock, can produce major accident in serious time, cause very big danger, the uncertainty has been brought for handling, for this we have proposed a crane landing leg, in order to solve the problem that proposes among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crane leg possesses the good advantage of bearing capacity, has solved the not good problem of common crane leg bearing capacity.

In order to achieve the above object, the utility model provides a following technical scheme: a crane supporting leg comprises a connecting seat, wherein a connecting column is fixedly connected to the top of the connecting seat, a first supporting leg is fixedly connected to the bottom of the connecting seat through a first hydraulic cylinder, and side supporting devices are connected to the left side and the right side of the connecting seat through mounting bolts in a threaded mode;

the side supporting device comprises a mounting plate which is in threaded connection with the connecting seat through a mounting bolt, the right side of the mounting plate is fixedly connected with an adjusting block, the bottom of the adjusting block is provided with an adjusting groove, the left side of the inner wall of the adjusting groove is fixedly connected with a limiting cross bar, the right end of the limiting cross bar is fixedly connected with the right side of the inner wall of the adjusting groove, the surface of the limiting cross rod is movably connected with a moving block, the right side of the adjusting block and the position corresponding to the adjusting groove are provided with a rotating screw rod, the left end of the rotating screw rod penetrates through the adjusting block and the moving block in sequence and extends to the outer part of the moving block, the bottom of the moving block penetrates through the adjusting groove and extends to the outside of the adjusting groove to be fixedly connected with a connecting plate through a second hydraulic cylinder, the front side and the rear side of the bottom of the connecting plate are fixedly connected with supporting columns, and the bottom of each supporting column is fixedly connected with a second supporting leg.

Preferably, the bottom of the first supporting leg is fixedly connected with a first wear pad, and the bottom of the second supporting leg is fixedly connected with a second wear pad.

Preferably, the right end of the rotary screw is fixedly connected with a connecting disc, and the edge on the right side of the connecting disc is fixedly connected with a rotary handle.

Preferably, first supporting legs surface just corresponds the left and right sides of first pneumatic cylinder and the first strengthening rib of the equal fixedly connected with in front and back both sides, one side and the first pneumatic cylinder fixed connection that first strengthening rib is close to first pneumatic cylinder, second supporting legs surface just corresponds the left and right sides of support column and the equal fixedly connected with second strengthening rib in front and back both sides, one side and the support column fixed connection that the second strengthening rib is close to the support column.

Preferably, the surface of the rotating screw is provided with an external thread, and the moving block is provided with an internal thread matched with the external thread at a position corresponding to the rotating screw.

Preferably, the position fixedly connected with antifriction bearing of adjustment tank inner wall left side and corresponding rotatory screw rod, the one end of rotatory screw rod runs through antifriction bearing and extends to its inside rather than swing joint.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up first pneumatic cylinder, first supporting foot, construction bolt and side strutting arrangement, the problem that common crane landing leg bearing performance is not good has been solved, through the side strutting arrangement that can carry out the position transform, it carries out the support to the hoist simultaneously to cooperate first supporting foot, complementary improvement the bearing area, the bearing performance of the whole crane landing leg of improvement that can maximize, can conveniently adjust according to required bearing capacity, can not cause rocking of hoist, difficult slipping, the production of major accident has been avoided, danger and uncertainty in the transport operation have been reduced.

2. The utility model discloses a set up first wear pad and second wear pad, protect the bottom of first supporting legs and second supporting legs respectively, prevent that wearing and tearing from influencing the use, through setting up connection pad and rotatory handle, the person of facilitating the use rotates the pairing rotation screw rod, the convenient degree of operation has been improved, through setting up first strengthening rib and second strengthening rib, the fixed degree of being connected between first supporting legs and the first pneumatic cylinder has been consolidated to first strengthening rib, the fixed degree of being connected between second supporting legs and the support column has been consolidated to the second strengthening rib, prevent to drop, through setting up antifriction bearing, the end of pairing rotation screw rod carries out certain support and fixes, the stationarity of rotatory screw rod when rotating has been improved.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

FIG. 2 is a sectional view of the side supporting device of the present invention;

fig. 3 is a schematic structural diagram of a side view of the side supporting device of the present invention.

In the figure: the support device comprises a connecting seat 1, a connecting column 2, a first hydraulic cylinder 3, a first supporting foot 4, a mounting bolt 5, a supporting device on one side 6, a mounting plate 61, an adjusting block 62, an adjusting groove 63, a limiting cross rod 64, a moving block 65, a rotating screw 66, a second hydraulic cylinder 67, a connecting plate 68, a supporting column 69, a second supporting foot 610, a second wear pad 611, a connecting plate 612, a rotating handle 613, a second reinforcing rib 614, a rolling bearing 615, a first wear pad 7 and a first reinforcing rib 8.

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.

Please refer to fig. 1-3, a crane leg comprises a connecting seat 1, a connecting column 2 is fixedly connected to the top of the connecting seat 1, a first supporting leg 4 is fixedly connected to the bottom of the connecting seat 1 through a first hydraulic cylinder 3, a first reinforcing rib 8 is fixedly connected to the surface of the first supporting leg 4 and corresponds to the left and right sides and the front and rear sides of the first hydraulic cylinder 3, one side of the first reinforcing rib 8 close to the first hydraulic cylinder 3 is fixedly connected to the first hydraulic cylinder 3, a first wear pad 7 is fixedly connected to the bottom of the first supporting leg 4, and a side supporting device 6 is connected to the left and right sides of the connecting seat 1 through a mounting bolt 5 and threads.

Referring to fig. 1-3, the side supporting device 6 includes a mounting plate 61, the mounting plate 61 is in threaded connection with the connecting base 1 through a mounting bolt 5, a regulating block 62 is fixedly connected to the right side of the mounting plate 61, a regulating groove 63 is formed at the bottom of the regulating block 62, a limiting cross bar 64 is fixedly connected to the left side of the inner wall of the regulating groove 63, the right end of the limiting cross bar 64 is fixedly connected to the right side of the inner wall of the regulating groove 63, a moving block 65 is movably connected to the surface of the limiting cross bar 64, a rotary screw 66 is disposed at the right side of the regulating block 62 and corresponding to the regulating groove 63, a connecting disc 612 is fixedly connected to the right end of the rotary screw 66, a rotary handle 613 is fixedly connected to the edge of the right side of the connecting disc 612, the left end of the rotary screw 66 sequentially penetrates through the regulating block 62 and the moving block 65 and extends to, a rolling bearing 615 is fixedly connected to the left side of the inner wall of the adjusting groove 63 and corresponding to the position of the rotating screw 66, one end of the rotating screw 66 penetrates through the rolling bearing 615 and extends to the inside of the rotating screw to be movably connected with the rotating screw, a connecting plate 68 is fixedly connected to the outside of the adjusting groove 63 through a second hydraulic cylinder 67, supporting columns 69 are fixedly connected to the front and rear sides of the bottom of the connecting plate 68, a second supporting leg 610 is fixedly connected to the bottom of the supporting column 69, second reinforcing ribs 614 are fixedly connected to the surface of the second supporting leg 610 and corresponding to the left and right sides and the front and rear sides of the supporting column 69, one side of each second reinforcing rib 614 close to the supporting column 69 is fixedly connected with the supporting column 69, a second wear pad 611 is fixedly connected to the bottom of the second supporting leg 610, and the bottoms of the first supporting leg 4 and the second supporting leg 610, the use of the crane is prevented from being influenced by abrasion, a connecting disc 612 and a rotating handle 613 are arranged, a user can rotate the rotating screw 66 conveniently, the convenience of operation is improved, the fixing degree of connection between the first supporting leg 4 and the first hydraulic cylinder 3 is reinforced by the first reinforcing rib 8 and the second reinforcing rib 614, the fixing degree of connection between the second supporting leg 610 and the supporting column 69 is reinforced by the second reinforcing rib 614 to prevent falling off, the end of the rotating screw 66 is supported and fixed to a certain degree by arranging a rolling bearing 615 to improve the stability of the rotating screw 66 during rotation, the problem of poor bearing performance of common crane supporting legs is solved by arranging the first hydraulic cylinder 3, the first supporting leg 4, the mounting bolt 5 and the side supporting device 6, the crane is supported by matching with the first supporting leg 4 through the side supporting device 6 capable of carrying out position change, the supporting area is increased in a complementary mode, the bearing performance of the whole crane supporting leg can be improved in a maximized mode, the crane supporting leg can be conveniently adjusted according to required bearing capacity, the crane cannot shake, slipping is not prone to occurring, major accidents are avoided, and dangerousness and uncertainty in carrying operation are reduced.

During the use, install this device on the hoist through spliced pole 2, it is fixed to utilize first pneumatic cylinder 3 to drive first supporting legs 4 formation, simultaneously can be as required according to the use, utilize mounting bolt 5 to install side strutting arrangement 6 on connecting seat 1, the pairing rotation screw rod 66 rotates, threaded connection is under the limiting displacement of spacing horizontal pole 64 with movable block 65 on it, drive second pneumatic cylinder 67 and carry out the removal of left right direction, thereby make connecting plate 68 drive support column 69 and second supporting legs 610 and carry out left right direction removal, carry out the auxiliary stay to ground, the bearing performance is improved, in order to reach better firm effect.

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

1. A crane leg comprises a connecting seat (1), and is characterized in that: the top of the connecting seat (1) is fixedly connected with a connecting column (2), the bottom of the connecting seat (1) is fixedly connected with a first supporting leg (4) through a first hydraulic cylinder (3), and the left side and the right side of the connecting seat (1) are both in threaded connection with a side supporting device (6) through mounting bolts (5);

side strutting arrangement (6) include mounting panel (61), mounting panel (61) pass through mounting bolt (5) and connecting seat (1) threaded connection, right side fixedly connected with regulating block (62) of mounting panel (61), adjustment tank (63) have been seted up to the bottom of regulating block (62), the left side fixedly connected with spacing horizontal pole (64) of regulating tank (63) inner wall, the right-hand member of spacing horizontal pole (64) and the right side fixed connection of regulating tank (63) inner wall, the surperficial swing joint of spacing horizontal pole (64) has movable block (65), the position that regulating block (62) right side just corresponds adjustment tank (63) is provided with rotatory screw rod (66), the left end of rotatory screw rod (66) runs through regulating block (62) and movable block (65) in proper order and extends to the outside of movable block (65), the bottom of movable block (65) runs through regulating tank (63) and extends to its outside and is connected through second pneumatic cylinder (67) fixed connection and links to its outside The connecting plate (68), the equal fixedly connected with support column (69) in both sides around connecting plate (68) bottom, the bottom fixedly connected with second supporting legs (610) of support column (69).

2. A crane leg as claimed in claim 1, wherein: the bottom fixedly connected with first wear pad (7) of first supporting legs (4), the bottom fixedly connected with second wear pad (611) of second supporting legs (610).

3. A crane leg as claimed in claim 1, wherein: the right end of the rotating screw rod (66) is fixedly connected with a connecting disc (612), and the edge on the right side of the connecting disc (612) is fixedly connected with a rotating handle (613).

4. A crane leg as claimed in claim 1, wherein: first supporting legs (4) surface and the left and right sides that corresponds first pneumatic cylinder (3) and the first strengthening rib (8) of the equal fixedly connected with in front and back both sides, one side and first pneumatic cylinder (3) fixed connection that first strengthening rib (8) are close to first pneumatic cylinder (3), second supporting legs (610) surface and the left and right sides that corresponds support column (69) and the equal fixedly connected with second strengthening rib (614) in front and back both sides, one side and support column (69) fixed connection that second strengthening rib (614) are close to support column (69).

5. A crane leg as claimed in claim 1, wherein: the surface of the rotating screw rod (66) is provided with external threads, and the position of the moving block (65) corresponding to the rotating screw rod (66) is provided with internal threads matched with the external threads.

6. A crane leg as claimed in claim 1, wherein: the left side of the inner wall of the adjusting groove (63) corresponds to the position of the rotating screw rod (66) and is fixedly connected with a rolling bearing (615), and one end of the rotating screw rod (66) penetrates through the rolling bearing (615) and extends to the inside of the rotating screw rod to be movably connected with the rotating screw rod.