CN218145408U

CN218145408U - Crane supporting leg

Info

Publication number: CN218145408U
Application number: CN202221804935.1U
Authority: CN
Inventors: 葛瑶先; 李志斌; 王俊胜; 齐国闯
Original assignee: Henan Yuxing Lifting Equipment Co ltd
Current assignee: Henan Yuxing Lifting Equipment Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-12-27
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a crane supporting leg, which comprises a supporting seat and a supporting mechanism; supporting seat: the upper end of the supporting leg is provided with a supporting leg, a partition plate is arranged in a chute arranged in the middle of the supporting leg, the upper end of the partition plate is rotatably connected with a screw rod through a bearing, the upper end of the screw rod is in threaded connection with a supporting column, and the supporting column is respectively in sliding connection with the chute through guide sliding blocks arranged on the front side and the rear side of an outer cambered surface; a support mechanism: it sets up in the inside of supporting seat, still includes control switch group, control switch group is located the front side of supporting seat, and this hoist supporting leg, universal wheel pass the through-hole and the ground contact of supporting seat lower extreme during the use, and the removal of the supporting leg of being convenient for has alleviateed personnel's work burden, and the during operation, the supporting shoe can increase the area of contact of supporting leg and ground, has improved the stability of supporting leg, can adjust the height of support column according to actual conditions, has improved work efficiency.

Description

Crane supporting leg

Technical Field

The utility model relates to a hoist supporting equipment technical field specifically is a hoist supporting leg.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, also called as a crown block, a gantry crane and a crane, the bridge crane is a hoisting device which is transversely erected above a workshop, a warehouse and a stock yard for hoisting materials, the bridge crane is a hoisting machine with the widest application range and the largest quantity, and the crane usually needs a supporting device to support the bottom when in work;

most of the existing supporting devices support the bottom of the crane by using supporting legs;

current supporting leg structure is comparatively single, and it is also very inconvenient to remove when the supporting leg volume is great, has increased personnel's work burden, because each local soil property is different soft degree also can influence the stability of supporting leg, for this reason, we provide a hoist supporting leg.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a crane supporting leg, the universal wheel passes through-hole and the ground contact of supporting seat lower extreme during the use, the removal of the supporting leg of being convenient for has alleviateed personnel's work burden, and in operation, the supporting shoe can increase the area of contact of supporting leg and ground, has improved the stability of supporting leg, can adjust the height of support column according to actual conditions, has improved work efficiency, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a crane supporting leg comprises a supporting seat and a supporting mechanism;

supporting seat: the upper end of the supporting leg is provided with a supporting leg, a partition plate is arranged in a chute arranged in the middle of the supporting leg, the upper end of the partition plate is rotatably connected with a screw rod through a bearing, the upper end of the screw rod is in threaded connection with a supporting column, and the supporting column is respectively in sliding connection with the chute through guide sliding blocks arranged on the front side and the rear side of an outer cambered surface;

a support mechanism: it sets up in the inside of supporting seat, and the universal wheel passes the through-hole and the ground contact of supporting seat lower extreme during the use, and the removal of the supporting leg of being convenient for has alleviateed personnel's work burden, and the during operation, the supporting shoe can increase the area of contact on supporting leg and ground, has improved the stability of supporting leg, can adjust the height of support column according to actual conditions, has improved work efficiency.

Further, still include the control switch group, the control switch group is located the front side of supporting seat, and the input of control switch group is connected with external power source's output electricity, has improved work efficiency, has alleviateed personnel's work burden.

Further, supporting mechanism includes electric putter, the fixed plate, the connecting block, connecting rod and supporting shoe, electric putter sets up in the middle part of supporting seat roof, the downside of the flexible end of electric putter is provided with the fixed plate, the extrados of fixed plate is provided with the connecting block respectively, the connecting rod is connected in the installation department that the extrados of supporting seat set up through the round pin axle rotation respectively, the equal fixedly connected with supporting shoe of one end that electric putter was kept away from to the connecting rod, the inside fixed pin of connecting block is located inside the sliding opening that the connecting rod upside set up, electric putter's input is connected with control switch group's output electricity, the supporting shoe can increase the area of contact of supporting leg and ground, the stability of supporting leg has been improved.

Furthermore, the support column support device further comprises a motor, wherein the motor is arranged at the lower end of the partition plate, the upper end of an output shaft of the motor is fixedly connected with the lower end of the screw rod, the input end of the motor is electrically connected with the output end of the control switch group, and the height of the support column can be adjusted according to actual conditions.

Further, still include the protection pad, the protection pad sets up in the upper end of support column, prevents that the supporting leg during operation from causing the damage to the diapire of hoist.

Furthermore, the supporting leg support structure further comprises reinforcing ribs which are arranged on the front side and the rear side of the outer arc surface of the supporting leg respectively, the lower ends of the reinforcing ribs are fixedly connected with the upper end of the supporting seat, and the stability of the supporting leg is improved.

Further, still include the universal wheel, the universal wheel sets up in the lower extreme of connecting block, and the removal of the supporting leg of being convenient for has alleviateed personnel's work burden.

Compared with the prior art, the beneficial effects of the utility model are that: this hoist supporting leg has following benefit:

1. through the regulation and control of control switch group during the use, electric putter begins the operation, flexible end extension drives the fixed plate and moves down, this moment, the fixed pin that electric putter's one end setting was kept away from to the connecting block slides in the spout that the connecting rod upside set up and rotates promptly, pack up the supporting shoe when the connecting rod moves down, the universal wheel passes the through-hole and the ground contact of supporting seat lower extreme, after the staff removed the hoist supporting leg to the workplace of braking, regulation and control electric putter through control switch group begins the operation, flexible end shortens to drive the fixed plate rebound, withdraw the universal wheel, the connecting rod rebound emits the supporting shoe, make the bottom and the ground contact of supporting shoe, increase the area of contact of supporting leg and ground, the universal wheel passes the through-hole and the ground contact of supporting seat lower extreme during the use, be convenient for the removal of supporting leg, work efficiency is improved, in operation, the supporting shoe can increase the area of contact of supporting leg and ground, the stability of supporting leg is improved, good basis is provided for subsequent work.

2. Through the regulation and control of control switch group, the motor begins the operation, and the output shaft drives the screw rod rotatory, and the support column begins to rise gradually, with hoist jack-up, according to the height of actual conditions adjustment hoist jack-up, it is suitable for a little to leave ground with the tire of hoist usually, can adjust the height of support column according to actual conditions to the poor stability's when avoiding the hoist to operate on unevenness's road surface condition.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the supporting mechanism of the present invention.

In the figure: the device comprises a supporting seat 1, a control switch group 2, supporting legs 3, reinforcing ribs 4, a protective cushion 5, a supporting mechanism 6, an electric push rod 61, a fixed plate 62, a connecting block 63, a connecting rod 64, a supporting block 65, a motor 7, a partition plate 8, a screw rod 9, a supporting column 10, a guide sliding block 11 and a universal wheel 12.

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 embodiment provides a technical solution: a crane supporting leg comprises a supporting seat 1 and a supporting mechanism 6;

supporting seat 1: the upper end of the supporting leg is provided with a supporting leg 3, a partition plate 8 is arranged in a sliding groove arranged in the middle of the supporting leg 3, the upper end of the partition plate 8 is rotatably connected with a screw rod 9 through a bearing, the upper end of the screw rod 9 is in threaded connection with a supporting column 10, and the supporting column 10 is respectively in sliding connection with the sliding groove through guide sliding blocks 11 arranged on the front side and the rear side of an outer cambered surface;

the supporting mechanism 6: the electric push rod 61 is arranged in the middle of the top wall of the supporting seat 1, the fixing plate 62 is arranged on the lower side of the telescopic end of the electric push rod 61, the connecting blocks 63 are respectively arranged on the outer arc surfaces of the fixing plates 62, the connecting rods 64 are respectively rotatably connected in mounting ports arranged on the outer arc surfaces of the supporting seat 1 through pin shafts, the supporting blocks 65 are fixedly connected to one ends of the connecting rods 64 far away from the electric push rod 61, fixing pins in the connecting blocks 63 are positioned in sliding ports arranged on the upper side of the connecting rods 64, the input ends of the electric push rods 61 are electrically connected with the output ends of the control switch group 2, when the electric push rod 61 is used, the electric push rod 61 starts to operate, the telescopic end extends to drive the fixing plate 62 to move downwards, at the moment, the fixing pin arranged at one end of the connecting block 63 far away from the electric push rod 61 slides and rotates in the sliding port arranged at the upper side of the connecting rod 64, the supporting block 65 is folded when the connecting rod 64 moves downwards, the universal wheel 12 penetrates through the through hole at the lower end of the supporting seat 1 to be contacted with the ground, after an operator moves the crane supporting leg to a braking working place, the electric push rod 61 starts to operate through the control of the control switch group 2, the telescopic end is shortened to drive the fixing plate 62 to move upwards, the universal wheel 12 is retracted, the connecting rod 64 moves upwards and releases the supporting block 65, so that the bottom of the supporting block 65 is contacted with the ground, the contact area between the supporting leg 1 and the ground is increased, the universal wheel 12 penetrates through the through hole at the lower end of the supporting seat 1 to be contacted with the ground when in use, the movement of the supporting leg 3 is convenient, the working efficiency is improved, during the working, the supporting block 65 can increase the contact area between the supporting leg 1 and the ground, and the stability of the supporting leg 3 is improved, providing a good foundation for subsequent work.

Wherein: the electric appliance control device is characterized by further comprising a control switch group 2, wherein the control switch group 2 is located on the front side of the supporting seat 1, the input end of the control switch group 2 is electrically connected with the output end of an external power supply, and the operation of each electric appliance element is regulated and controlled.

Wherein: still include motor 7, motor 7 sets up in the lower extreme of division board 8, the upper end of motor 7 output shaft and the lower extreme fixed connection of screw rod 9, and the input of motor 7 is connected with control switch group 2's output electricity, and the during operation output shaft drives the screw rod 9 and rotates, and support column 10 begins to rise gradually, with hoist jack-up, according to actual conditions adjustment hoist jack-up's height.

Wherein: still include protection pad 5, protection pad 5 sets up in the upper end of support column 10, because hoist weight is too high, the junction of hoist bottom and support column 10 can cause certain damage, and the existence of protection pad 5 can reduce the damage that hoist bottom and support column 10 caused.

Wherein: still include stiffening rib 4, stiffening rib 4 sets up respectively in the front and back both sides of 3 extrados of supporting leg, and the lower extreme of stiffening rib 4 all with the upper end fixed connection of supporting seat 1, and stiffening rib 4 sets up in the junction of supporting leg 3 and supporting seat 1, has improved the stability of supporting leg 3 and supporting seat 1 junction.

Wherein: still include universal wheel 12, universal wheel 12 sets up in the lower extreme of connecting block 63, and flexible end extension drives fixed plate 62 downstream, and universal wheel 12 passes through the through-hole and the ground contact of supporting seat 1 lower extreme, and the removal of the supporting leg 3 of being convenient for has alleviateed personnel's work burden.

The utility model provides a pair of operating principle of hoist supporting leg as follows: when the lifting device is used, the electric push rod 61 starts to operate through the regulation and control of the control switch group 2, the telescopic end extends to drive the fixing plate 62 to move downwards, at the moment, the fixing pin arranged at one end of the connecting block 63, far away from the electric push rod 61, slides and rotates in the sliding port arranged at the upper side of the connecting rod 64, the connecting rod 64 moves downwards and meanwhile packs up the supporting block 65, the universal wheel 12 penetrates through the through hole at the lower end of the supporting seat 1 to be in contact with the ground, after a worker moves a crane supporting leg to a braking working place, the electric push rod 61 starts to operate through the regulation and control of the control switch group 2, the telescopic end is shortened to drive the fixing plate 62 to move upwards, the universal wheel 12 is retracted, the connecting rod 64 moves upwards and releases the supporting block 65, the bottom of the supporting block 65 is in contact with the ground, the contact area between the supporting seat 1 and the ground is increased, the motor 7 starts to operate through the regulation and the control switch group 2, the output shaft drives the screw rod 9 to rotate, the supporting column 10 starts to gradually rise, the crane is jacked, the height of the crane is adjusted according to the actual situation, and the tire of the crane is usually, the crane is better to leave a little.

It should be noted that YRJ095 can be selected as the electric push rod 61 disclosed in the above embodiment, PD4-EB can be selected as the motor 7, and the control switch group 2 is provided with control switches for controlling the switches of the electric push rod 61 and the motor 7 in a one-to-one correspondence.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A crane supporting leg is characterized in that: comprises a supporting seat (1) and a supporting mechanism (6);

support seat (1): the upper end of the supporting leg is provided with a supporting leg (3), a partition plate (8) is arranged in a sliding groove arranged in the middle of the supporting leg (3), the upper end of the partition plate (8) is rotatably connected with a screw (9) through a bearing, the upper end of the screw (9) is in threaded connection with a supporting column (10), and the supporting column (10) is respectively in sliding connection with the sliding groove through guide sliding blocks (11) arranged on the front side and the rear side of an outer cambered surface;

support mechanism (6): which is arranged inside the supporting seat (1).

2. A crane support leg as claimed in claim 1, wherein: the automatic control device is characterized by further comprising a control switch group (2), wherein the control switch group (2) is located on the front side of the supporting seat (1), and the input end of the control switch group (2) is electrically connected with the output end of an external power supply.

3. A crane support leg as claimed in claim 2, wherein: supporting mechanism (6) are including electric putter (61), fixed plate (62), connecting block (63), connecting rod (64) and supporting shoe (65), electric putter (61) set up in the middle part of supporting seat (1) roof, the downside of the flexible end of electric putter (61) is provided with fixed plate (62), the extrados of fixed plate (62) is provided with connecting block (63) respectively, connecting rod (64) rotate through the round pin axle respectively and connect in the installation mouth that supporting seat (1) extrados set up, the equal fixedly connected with supporting shoe (65) of one end that electric putter (61) were kept away from in connecting rod (64), the inside fixed pin of connecting block (63) is located inside the sliding opening of connecting rod (64) upside setting, the input of electric putter (61) is connected with the output electricity of control switch group (2).

4. A crane supporting leg as claimed in claim 2, wherein: still include motor (7), motor (7) set up in the lower extreme of division board (8), the upper end of motor (7) output shaft and the lower extreme fixed connection of screw rod (9), and the input of motor (7) is connected with the output electricity of control switch group (2).

5. A crane support leg as claimed in claim 1, wherein: still include protection pad (5), protection pad (5) set up in the upper end of support column (10).

6. A crane support leg as claimed in claim 1, wherein: the support leg is characterized by further comprising reinforcing ribs (4), wherein the reinforcing ribs (4) are arranged on the front side and the rear side of the outer arc surface of the support leg (3) respectively, and the lower ends of the reinforcing ribs (4) are fixedly connected with the upper end of the support base (1).

7. A crane support leg as claimed in claim 3, wherein: still include universal wheel (12), universal wheel (12) set up in the lower extreme of connecting block (63).