CN216638749U

CN216638749U - Large-scale vehicle-mounted lifting leg telescopic high-pressure oil cylinder

Info

Publication number: CN216638749U
Application number: CN202122930913.1U
Authority: CN
Inventors: 唐其; 赵静; 周立波
Original assignee: Changzhou Chaoshun High Pressure Oil Cylinder Co ltd
Current assignee: Changzhou Chaoshun High Pressure Oil Cylinder Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-31
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a large-scale telescopic high-pressure oil cylinder with a vehicle-mounted lifting leg, which comprises a base, wherein an inner cavity is formed in the inner wall of the base, a through hole is formed in the inner wall of the inner cavity, an L-shaped plate is fixedly connected to the bottom of the base, two symmetrically arranged support columns and a cylinder body are arranged on one side of the L-shaped plate, the cylinder body is positioned between the two support columns, the bottom of the cylinder body is fixedly connected with the bottom of the L-shaped plate, the support columns and the bottom of the L-shaped plate are penetrated and slide, the support columns are communicated with the inner cavity, the telescopic end of the cylinder body penetrates through the through hole, the telescopic end of the cylinder body is connected with the support columns in the inner cavity through connecting rods, and the connecting rods are rotatably connected with the inner wall of the inner cavity. The utility model reduces the requirement on the cylinder body and can stably support the vehicle body on the inclined ground.

Description

Large-scale vehicle-mounted lifting leg telescopic high-pressure oil cylinder

Technical Field

The utility model relates to the technical field of cranes, in particular to a large-scale vehicle-mounted lifting leg telescopic high-pressure oil cylinder.

Background

A truck-mounted crane, also called a truck-mounted crane transporter, is a vehicle which can realize the lifting and the rotation of goods through hydraulic expansion and contraction, is widely applied to the operation in narrow places such as construction, coal mines, warehouses, docks and the like, and comprises a chassis, a container, a crane and the like.

The truck-mounted crane has high requirements on the oil cylinder due to the need of lifting a heavy object, the oil cylinder at the required end is expensive, and certain difficulty exists when the vehicle body is supported on the inclined uneven ground.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a large-scale telescopic high-pressure oil cylinder of a vehicle-mounted lifting leg.

In order to achieve the purpose, the utility model adopts the following technical scheme: large-scale flexible high-pressure cylinder of vehicle-mounted lifting leg, which comprises a base, the base inner wall is provided with the inner chamber, the through-hole has been seted up to the inner chamber inner wall, base bottom fixed connection L template, L template one side sets up support column and a cylinder body that two symmetries set up, the cylinder body is located between two support columns, cylinder body bottom and L template bottom fixed connection, support column and L template bottom run through the slip, support column and inner chamber link up, the flexible end of cylinder body runs through the through-hole, the flexible end of cylinder body passes through the connecting rod with the support column that is located the inner chamber and connects, and connecting rod and inner chamber inner wall rotate the connection.

As a further description of the above technical solution: the top of the telescopic end of the cylinder body is provided with a groove, and the inner wall of the groove is provided with an end pin hole penetrating through the groove.

As a further description of the above technical solution: the support column includes the cylinder, the cylinder top is provided with the link, the link lateral wall is provided with a plurality of round pins, the cylinder bottom is provided with the arc end.

As a further description of the above technical solution: two shaft sleeves are sleeved on the side wall of the support column in a sliding mode and are fixedly connected with the bottoms of the L-shaped plates and the bottom of the base respectively.

As a further description of the above technical solution: the connecting rod includes the body of rod, the body of rod and inner chamber lateral wall rotate to be connected, first spout and second spout have been seted up to the body of rod lateral wall, the round pin post inserts in the first spout, insert the pin in the pinhole and insert the pin in the second spout.

As a further description of the above technical solution: the L template bottom is provided with the bottom plate, be provided with damping spring between bottom plate and the L template, damping spring and cylinder slip cup joint, the arc wall has been seted up at the bottom plate top, arc end and arc wall inner wall sliding contact.

As a further description of the above technical solution: the base top fixedly connected with spliced pole, spliced pole top fixedly connected with connecting plate, connecting plate bottom threaded connection has a plurality of screws that run through the setting.

The utility model has the following beneficial effects:

1. compared with the prior art, the large-scale vehicle-mounted lifting leg telescopic high-pressure oil cylinder is provided with the connecting rod and the supporting column, the supporting column is driven to move through the connecting rod, the thrust of the cylinder body can be reduced by using a lever principle, and the requirement on the cylinder body is lowered.

2. Compared with the prior art, the telescopic high-pressure oil cylinder of the large-scale vehicle-mounted lifting leg has the advantages that the relative positions of the two support columns are changed by adjusting the positions of the bolts in the sliding grooves, so that the bottom plate is inclined and can be attached to the inclined ground, and the requirement of supporting a vehicle body under the condition of inclined ground is met.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a large truck-mounted lifting leg telescopic high-pressure oil cylinder provided by the utility model;

FIG. 2 is a schematic view of a telescopic end of a cylinder body of a large truck-mounted lifting leg telescopic high-pressure oil cylinder provided by the utility model;

FIG. 3 is a schematic structural diagram of a support column of a large-scale truck-mounted lifting leg telescopic high-pressure oil cylinder provided by the utility model;

FIG. 4 is a cross-sectional view of a bottom plate of a large truck-mounted lifting leg telescopic high-pressure oil cylinder provided by the utility model;

fig. 5 is a schematic structural diagram of a connecting rod of a large-scale vehicle-mounted lifting leg telescopic high-pressure oil cylinder provided by the utility model.

Illustration of the drawings:

1. a base; 2. an inner cavity; 3. a through hole; 4. an L-shaped plate; 5. a shaft sleeve; 6. a cylinder body; 61. a groove; 62. a pin hole; 7. a support pillar; 71. a cylinder; 72. a connecting end; 73. a pin; 74. an arcuate end; 8. a connecting rod; 81. a rod body; 82. a first chute; 83. a second chute; 9. a damping spring; 10. a base plate; 11. an arc-shaped slot; 12. connecting columns; 13. a connecting plate; 14. and (4) screws.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the large-scale vehicle-mounted lifting leg telescopic high-pressure oil cylinder provided by the utility model comprises a base 1, an inner cavity 2 is arranged on the inner wall of the base 1, a through hole 3 is formed in the inner wall of the inner cavity 2, an L-shaped plate 4 is fixedly connected to the bottom of the base 1, two symmetrically arranged supporting columns 7 and a cylinder body 6 are arranged on one side of the L-shaped plate 4, the cylinder body 6 is positioned between the two supporting columns 7, the bottom of the cylinder body 6 is fixedly connected with the bottom of the L-shaped plate 4, the supporting columns 7 and the bottom of the L-shaped plate 4 are penetrated and slid, the supporting columns 7 are communicated with the inner cavity 2, the telescopic end of the cylinder body 6 penetrates through the through hole 3, the telescopic end of the cylinder body 6 is connected with the supporting columns 7 positioned in the inner cavity 2 through a connecting rod 8, and the connecting rod 8 is rotatably connected with the inner wall of the inner cavity 2. Two shaft sleeves 5 are sleeved on the side wall of the support column 7 in a sliding mode, and the two shaft sleeves 5 are fixedly connected with the bottoms of the L-shaped plates 4 and the bottom of the base 1 respectively.

The top of the base 1 is fixedly connected with a connecting column 12, the top of the connecting column 12 is fixedly connected with a connecting plate 13, the bottom of the connecting plate 13 is in threaded connection with a plurality of screws 14 which penetrate through the connecting plate 13, and the connecting plate 13 is connected with a vehicle body through the screws 14.

Referring to fig. 2-3, the top of the telescopic end of the cylinder body 6 is provided with a groove 61, and the inner wall of the groove 61 is provided with an end pin hole 62 penetrating through the groove.

The supporting column 7 comprises a column body 71, a connecting end 72 is arranged at the top of the column body 71, a plurality of pins 73 are arranged on the side wall of the connecting end 72, and an arc-shaped end 74 is arranged at the bottom of the column body 71.

Referring to fig. 5, the connecting rod 8 includes a rod body 81, the rod body 81 is rotatably connected to the side wall of the inner cavity 2, the side wall of the rod body 81 is provided with a first sliding slot 82 and a second sliding slot 83, the pin 73 is inserted into the first sliding slot 82, and a pin is inserted into the pin hole 62 and inserted into the second sliding slot 83.

Referring to fig. 1 and 4, bottom plate 10 is arranged at the bottom of L template 4, and damping spring 9 is arranged between bottom plate 10 and L template 4, and damping spring 9 and cylinder 71 slide and cup joint, and arc wall 11 has been seted up at bottom plate 10 top, and

arc end

74 and 11 inner wall sliding contact of arc wall, damping spring 9 can play the cushioning effect.

The working principle is as follows: with connecting plate 13 through screw 14 and vehicle body connection, the flexible end of cylinder body 6 can drive the perpendicular up-and-down motion of support column 7 through connecting rod 8, and used lever principle can reduce the thrust or the pulling force of cylinder body 6, and support column 7 supports bottom plate 10 all the time, and bottom plate 10 and ground contact, when cylinder body 6 promoted support column 7 upward movement, this hydro-cylinder was equivalent to retracting, when cylinder body 6 pulling support column 7 downward movement, this hydro-cylinder was equivalent to stretching out. When the vehicle is parked on the inclined ground, the angle of the bottom plate 10 needs to be adjusted, different pins 73 are inserted into the first sliding grooves 82 through adjustment, so that the relative positions of the two supporting columns 7 are changed, and the bottom plate 10 is inclined and can be attached to the inclined ground.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a flexible high-pressure cylinder of large-scale vehicle-mounted lifting leg, includes base (1), its characterized in that: base (1) inner wall is provided with inner chamber (2), through-hole (3) have been seted up to inner chamber (2) inner wall, base (1) bottom fixed connection L template (4), L template (4) one side sets up support column (7) and a cylinder body (6) that two symmetries set up, cylinder body (6) are located between two support columns (7), cylinder body (6) bottom and L template (4) bottom fixed connection, support column (7) and L template (4) bottom run through the slip, support column (7) and inner chamber (2) link up, through-hole (3) are run through to the flexible end of cylinder body (6), cylinder body (6) flexible end and support column (7) that are located inner chamber (2) are connected through connecting rod (8), and connecting rod (8) and inner chamber (2) inner wall rotate to be connected.

2. The large-scale truck-mounted lifting leg telescopic high-pressure oil cylinder according to claim 1, characterized in that: the top of the telescopic end of the cylinder body (6) is provided with a groove (61), and the inner wall of the groove (61) is provided with a pin hole (62) which is arranged in a penetrating manner.

3. The telescopic high-pressure oil cylinder of the large-scale truck-mounted lifting leg according to claim 2, characterized in that: the support column (7) comprises a column body (71), a connecting end (72) is arranged at the top of the column body (71), a plurality of pins (73) are arranged on the side wall of the connecting end (72), and an arc-shaped end (74) is arranged at the bottom of the column body (71).

4. The large-scale truck-mounted lifting leg telescopic high-pressure oil cylinder according to claim 3, characterized in that: connecting rod (8) are including the body of rod (81), the body of rod (81) and inner chamber (2) lateral wall rotate to be connected, first spout (82) and second spout (83) have been seted up to the body of rod (81) lateral wall, round pin post (73) insert in first spout (82), insert the pin in pinhole (62) and insert the pin in second spout (83).

5. The large-scale truck-mounted lifting leg telescopic high-pressure oil cylinder according to claim 1, characterized in that: two shaft sleeves (5) are sleeved on the side wall of the supporting column (7) in a sliding mode, and the two shaft sleeves (5) are fixedly connected with the bottoms of the L-shaped plates (4) and the bottoms of the bases (1) respectively.

6. The large-scale truck-mounted lifting leg telescopic high-pressure oil cylinder according to claim 3, characterized in that: l template (4) bottom is provided with bottom plate (10), be provided with damping spring (9) between bottom plate (10) and L template (4), damping spring (9) and cylinder (71) slip cup joint, arc wall (11) have been seted up at bottom plate (10) top, arc end (74) and arc wall (11) inner wall sliding contact.

7. The large-scale truck-mounted lifting leg telescopic high-pressure oil cylinder according to claim 1, characterized in that: the base (1) top fixedly connected with spliced pole (12), spliced pole (12) top fixedly connected with connecting plate (13), connecting plate (13) bottom threaded connection has a plurality of screws (14) that run through the setting.