CN215711391U

CN215711391U - Efficient and stable hydraulic jack

Info

Publication number: CN215711391U
Application number: CN202122189186.8U
Authority: CN
Inventors: 陆甫金
Original assignee: Jiaxing Hongmin Machinery Co ltd
Current assignee: Jiaxing Hongmin Machinery Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-02-01
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a high-efficiency stable hydraulic jack, which comprises a bottom plate, wherein a hydraulic jack body is fixedly arranged at the top of the bottom plate, main shafts are movably connected to two sides of the top of the bottom plate, two ends of the outer wall of each main shaft are rotatably connected with idler wheels, and two connecting devices are arranged between each main shaft and the bottom plate; connecting device is including connecting frame, and connecting frame's inner chamber sliding connection has the connecting block, and the outer wall of main shaft cup joints with the fixed interlude of connecting block, and the top symmetry of connecting block is provided with the spring, the top symmetry fixedly connected with locating lever of connecting frame inner wall. The main shaft can drive the bottom plate and the hydraulic jack body to move through the idler wheel by utilizing the matching use of the main shaft, the idler wheel and the connecting device, so that the position of the hydraulic jack body can be conveniently adjusted.

Description

Efficient and stable hydraulic jack

Technical Field

The utility model relates to the field of hydraulic jacks, in particular to a high-efficiency and stable hydraulic jack.

Background

The hydraulic jack is the simplest hoisting equipment with small hoisting height, has two types of mechanical and hydraulic, and the mechanical jack has two types of rack and screw, and is small in hoisting capacity and labor-consuming to operate, generally only used for mechanical maintenance work, not applicable in the bridge repairing process, compact in structure, stable in work, and has a self-locking effect, so that the hydraulic jack is widely used, and the defects of limited hoisting height and low hoisting speed are overcome.

Hydraulic jack need put its suitable position in the object bottom in work, then work with object jack-up, need the manual work to return and remove hydraulic jack to its position control when putting hydraulic jack, because hydraulic jack has certain weight, round trip movement hydraulic jack can increase its preparation work of putting in earlier stage to reduce its practicality.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a hydraulic jack with high efficiency and stability, so as to solve the problems of the background art mentioned above.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-efficiency and stable hydraulic jack comprises a bottom plate, wherein a hydraulic jack body is fixedly installed at the top of the bottom plate, main shafts are movably connected to two sides of the top of the bottom plate, rollers are rotatably connected to two ends of the outer wall of each main shaft, and two connecting devices are arranged between each main shaft and the bottom plate;

the connecting device comprises a connecting frame, the inner cavity of the connecting frame is connected with a connecting block in a sliding mode, the outer wall of the main shaft is fixedly inserted and sleeved with the connecting block, and springs are symmetrically arranged at the top of the connecting block.

Preferably, the top symmetry fixedly connected with locating lever of connecting frame inner wall, the bottom and the connecting block sliding interlude of locating lever outer wall cup joint, two the limiting plate has been cup jointed to the top sliding interlude of locating lever outer wall.

Preferably, the spring slides and cup joints with the outer wall of locating lever, the spring is located between connecting block and the limiting plate.

Preferably, the top thread of the connecting frame is inserted and sleeved with the connecting screw rod, the bottom of the outer wall of the connecting screw rod is rotated and sleeved with the connecting lantern ring, the bottom of the connecting lantern ring is fixedly connected with the limiting plate, the top thread of the outer wall of the connecting screw rod is sleeved with the positioning nut, and the top of the connecting screw rod is fixedly connected with the turntable.

Preferably, two sliding grooves are formed in the two sides of the inner wall of the connecting frame, sliding blocks are symmetrically and fixedly connected to the two sides of the connecting block, and the outer walls of the sliding blocks are in sliding sleeve connection with the inner cavities of the sliding grooves.

Preferably, the bottom of the two sides of the connecting frame is fixedly connected with a fixing block, the top of the fixing block is provided with a fixing bolt, and the fixing block is fixedly connected with the bottom plate through the fixing bolt.

The utility model has the technical effects and advantages that:

(1) the main shaft can drive the bottom plate and the hydraulic jack body to move through the idler wheel by utilizing the matching use of the main shaft, the idler wheel and the connecting device, so that the position of the hydraulic jack body can be conveniently adjusted;

(2) according to the utility model, by utilizing the arrangement mode of the main shaft and the connecting frame, the main shaft is connected with the connecting frame in a sliding manner through the connecting block, and the spring and the limiting plate are arranged at the top of the connecting block, so that the initial compression deformation quantity of the spring can be changed by changing the height of the limiting plate through the connecting screw rod, and the hydraulic jack body with different weights can be subjected to bearing operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the connecting device of the present invention.

FIG. 3 is a schematic side view of the internal structure of the connecting frame according to the present invention.

In the figure: 1. a base plate; 2. a hydraulic jack body; 3. a main shaft; 4. a roller; 5. a connecting device; 51. a connecting frame; 52. connecting blocks; 53. a spring; 54. positioning a rod; 55. a limiting plate; 56. connecting a screw rod; 57. a connecting lantern ring; 58. positioning a nut; 59. a turntable; 510. a chute; 511. a slider; 512. a fixed block; 513. and (5) fixing the bolt.

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.

The utility model provides a high-efficiency stable hydraulic jack as shown in figures 1-3, which comprises a bottom plate 1, wherein a hydraulic jack body 2 is fixedly arranged at the top of the bottom plate 1, main shafts 3 are movably connected to two sides of the top of the bottom plate 1, two ends of the outer wall of each main shaft 3 are rotatably connected with idler wheels 4, and two connecting devices 5 are arranged between each main shaft 3 and the bottom plate 1.

The connecting device 5 comprises a connecting frame 51, an inner cavity of the connecting frame 51 is connected with a connecting block 52 in a sliding manner, the outer wall of the spindle 3 is fixedly, alternately and sleeved with the connecting block 52, springs 53 are symmetrically arranged at the top of the connecting block 52, positioning rods 54 are symmetrically and fixedly connected with the top of the inner wall of the connecting frame 51, the bottom of the outer wall of each positioning rod 54 is slidably, alternately and sleeved with a limiting plate 55, the tops of the outer walls of the two positioning rods 54 are slidably, alternately and sleeved with the outer wall of each positioning rod 54, the positioning rods 54 can ensure the stability of the states of the springs 53 and the limiting plates 55, the spindle 3 can provide elastic supporting force for the bottom plate 1 through the connecting block 52, the springs 53, the limiting plates 55 and the connecting frame 51, and the initial elastic force of the springs 53 can be changed by changing the positions of the limiting plates 55, so that when the bottom plate 1 and the hydraulic jack body 2 are in an out-of-operation state, the two spindles 3 and the rollers 4 can elastically support the spindles, when the hydraulic jack body 2 works, the weight of the bottom plate 1 is increased, so that the bottom plate 1 descends relative to the main shaft 3 to be in contact with the ground, the stability of the hydraulic jack body 2 during working is enhanced, and the spring 53 is located between the connecting block 52 and the limiting plate 55.

Connecting frame 51's top screw thread interlude has cup jointed connecting screw 56, and the bottom of connecting screw 56 outer wall is rotated and has been cup jointed the connecting ring 57, and the bottom and the limiting plate 55 fixed connection of connecting ring 57 have cup jointed set nut 58, and set nut 58 can guarantee connecting screw 56's stability to guarantee limiting plate 55's stability, connecting screw 56's top fixedly connected with carousel 59.

Two spouts 510 have all been seted up to the both sides of connecting frame 51 inner wall, connecting block 52 and connecting frame 51's stability can be guaranteed to slider 511, the equal symmetrical fixedly connected with slider 511 in both sides of connecting block 52, slider 511's outer wall and the inner chamber sliding sleeve of spout 510 cup joint, the equal fixedly connected with fixed block 512 in bottom of connecting frame 51 both sides, the top of fixed block 512 is provided with fixing bolt 513, fixed block 512 passes through fixing bolt 513 and bottom plate 1 fixed connection.

The working principle of the utility model is as follows: when using hydraulic jack body 2 to carry out the operation, at first according to the position of the weight regulation limiting plate 55 of hydraulic jack body 2, adjust the initial compression state of spring 53 promptly, make gyro wheel 4 and main shaft 3 support bottom plate 1, not hard up set nut 58, utilize carousel 59 to drive connecting screw 56 and rotate, thereby under the effect of connecting lantern ring 57, connecting screw 56 drives limiting plate 55 and upwards or downstream, make gyro wheel 4 and main shaft 3 at connecting block 52, spring 53, limiting plate 55, connecting screw 56 and connecting frame 51's effect can support bottom plate 1 down, thereby make bottom plate 1 be in the state of floating, and when pressing bottom plate 1, bottom plate 1 just can descend and laminate with ground.

After the position adjustment of main shaft 3 and gyro wheel 4 was accomplished, promote bottom plate 1 and drive hydraulic jack body 2 and remove under the effect of gyro wheel 4 and main shaft 3, until hydraulic jack body 2 reaches object assigned position department, then just can make hydraulic jack body 2 carry out the operation, when hydraulic jack body 2 jack-up object, the gravity that bottom plate 1 received increases, bottom plate 1 descends and contacts with ground relatively main shaft 3, thereby strengthen hydraulic jack body 2's stability, connecting block 52 slides inside braced frame 51 this moment, spring 53 compresses.

After the hydraulic jack body 2 finishes working and is separated from an object, the hydraulic jack body 2 restores the weight of the bottom plate 1 to an initial state, the connecting block 52 slides inside the connecting frame 51 under the action of the spring 53, the main shaft 3 and the bottom plate 1 are reduced, namely the bottom plate 1 rises to be separated from the ground, and the bottom plate 1 can be pushed to drive the hydraulic jack body 2 to move under the action of the roller 4 and the main shaft 3.

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. A high-efficiency and stable hydraulic jack comprises a bottom plate (1), and is characterized in that a hydraulic jack body (2) is fixedly mounted at the top of the bottom plate (1), main shafts (3) are movably connected to two sides of the top of the bottom plate (1), rollers (4) are rotatably connected to two ends of the outer wall of each main shaft (3), and two connecting devices (5) are arranged between each main shaft (3) and the bottom plate (1);

connecting device (5) are including connecting frame (51), the inner chamber sliding connection of connecting frame (51) has connecting block (52), the outer wall of main shaft (3) is cup jointed with fixed interlude of connecting block (52), the top symmetry of connecting block (52) is provided with spring (53).

2. The efficient and stable hydraulic jack as claimed in claim 1, wherein the positioning rods (54) are symmetrically and fixedly connected to the top of the inner wall of the connecting frame (51), the bottom of the outer wall of each positioning rod (54) is slidably inserted and sleeved with the connecting block (52), and the limiting plates (55) are slidably inserted and sleeved on the tops of the outer walls of the two positioning rods (54).

3. An efficient and stable hydraulic jack as claimed in claim 1, wherein the spring (53) is slidably sleeved on the outer wall of the positioning rod (54), and the spring (53) is located between the connecting block (52) and the limiting plate (55).

4. The efficient and stable hydraulic jack as recited in claim 1, wherein the top thread of the connection frame (51) is inserted and sleeved with a connection screw (56), the bottom of the outer wall of the connection screw (56) is rotatably sleeved with a connection sleeve ring (57), the bottom of the connection sleeve ring (57) is fixedly connected with the limiting plate (55), the top thread of the outer wall of the connection screw (56) is sleeved with a positioning nut (58), and the top of the connection screw (56) is fixedly connected with a rotating disc (59).

5. The efficient and stable hydraulic jack as claimed in claim 1, wherein two sliding grooves (510) are formed in both sides of the inner wall of the connecting frame (51), sliding blocks (511) are symmetrically and fixedly connected to both sides of the connecting block (52), and the outer wall of each sliding block (511) is slidably sleeved with the inner cavity of each sliding groove (510).

6. An efficient and stable hydraulic jack as claimed in claim 1, wherein the bottom of each side of the connecting frame (51) is fixedly connected with a fixing block (512), the top of the fixing block (512) is provided with a fixing bolt (513), and the fixing block (512) is fixedly connected with the bottom plate (1) through the fixing bolt (513).