Hydraulic synchronous jacking system

Abstract

The utility model discloses a hydraulic synchronous jacking system which comprises four synchronous jacking assemblies and a jacking seat, and the four synchronous jacking assemblies comprise a first hydraulic pump, a second hydraulic pump, a third hydraulic pump, a fourth hydraulic pump, a first oil cylinder, a second oil cylinder, a third oil cylinder and a fourth oil cylinder. The structure of the first hydraulic pump, the structure of the second hydraulic pump, the structure of the third hydraulic pump and the structure of the fourth hydraulic pump are the same, the structure of the first oil cylinder, the structure of the second oil cylinder, the structure of the third oil cylinder and the structure of the fourth oil cylinder are the same, and the first oil cylinder, the second oil cylinder, the third oil cylinder and the fourth oil cylinder are connected with the periphery of the jacking base respectively. The four synchronous jacking assemblies are connected to the periphery of the jacking base respectively, the bearing weight is improved, the four synchronous jacking assemblies conduct jacking synchronously, stability is improved, and the turnover condition is prevented.

Description

Technical Field

[0001] This utility model relates to a lifting system, and more particularly to a hydraulic synchronous lifting system. Background Technology

[0002] Lifting mechanisms are essential large-scale equipment for vertical transportation of people and goods. They are suitable for lifting heavy objects such as buildings, bridges, factories, aircraft, and machinery to increase their height or add floors.

[0003] Chinese patent publication number CN106812741A discloses a lifting hydraulic system, including a lifting cylinder, a balance valve, a manual directional valve, a high-pressure relief valve, a motor, and a slant-shaft fixed displacement pump. The lifting cylinder is connected to the balance valve via connecting pipe A, the balance valve is connected to the manual directional valve via connecting pipe A, and the manual directional valve is connected to the lifting cylinder via connecting pipe B. The manual directional valve is connected to the slant-shaft fixed displacement pump via connecting pipe A, and a pressure gauge is provided between the manual directional valve and the slant-shaft fixed displacement pump. The pressure gauge is connected to the high-pressure relief valve via a connecting line. The slant-shaft fixed displacement pump is connected to the motor via a connecting line.

[0004] The aforementioned patent has the following technical problems: the aforementioned lifting hydraulic system only uses one lifting cylinder, which has limited load-bearing capacity. In addition, it has low balance and is prone to tipping over. Summary of the Invention

[0005] In view of the above situation and in order to solve the technical problems of the prior art, this utility model provides a hydraulic synchronous jacking system.

[0006] This utility model solves the above-mentioned technical problems through the following technical solution: a hydraulic synchronous lifting system, characterized in that it includes four synchronous lifting components and a lifting base. The four synchronous lifting components include a first hydraulic pump, a second hydraulic pump, a third hydraulic pump, a fourth hydraulic pump, a first cylinder, a second cylinder, a third cylinder, and a fourth cylinder. The structures of the first hydraulic pump, the second hydraulic pump, the third hydraulic pump, and the fourth hydraulic pump are all the same. The structures of the first cylinder, the second cylinder, the third cylinder, and the fourth cylinder are all the same. The first cylinder, the second cylinder, the third cylinder, and the fourth cylinder are respectively connected to the four sides of the lifting base. The first hydraulic pump is connected to the first cylinder, the second hydraulic pump is connected to the second cylinder, the third hydraulic pump is connected to the third cylinder, and the fourth hydraulic pump is connected to the fourth cylinder.

[0007] Preferably, the first hydraulic pump, the second hydraulic pump, the third hydraulic pump, and the fourth hydraulic pump are each provided with an oil outlet and a first oil return port, and the first cylinder, the second cylinder, the third cylinder, and the fourth cylinder are each provided with an oil inlet and a second oil return port. The oil outlet and the oil inlet are connected by a first oil pipe, and the first oil return port and the second oil return port are connected by a second oil pipe.

[0008] Preferably, a support rod is provided around the lifting seat, and a connecting ring is provided at the top of the first cylinder, the top of the second cylinder, the top of the third cylinder, and the top of the fourth cylinder. A plug hole is provided in the middle of the connecting ring, and the support rod is plugged into the plug hole.

[0009] Preferably, a displacement sensor is provided at the top of the first cylinder, the top of the second cylinder, the top of the third cylinder, and the top of the fourth cylinder, and a pressure sensor is provided on the side of the first cylinder, the side of the second cylinder, the side of the third cylinder, and the side of the fourth cylinder.

[0010] Preferably, a display screen and multiple operation buttons are provided on the side of the first hydraulic pump, the side of the second hydraulic pump, the side of the third hydraulic pump, and the side of the fourth hydraulic pump.

[0011] Preferably, the first hydraulic pump, the second hydraulic pump, the third hydraulic pump, and the fourth hydraulic pump are all connected to a main control console, which includes a PLC controller and an audible and visual alarm.

[0012] The positive and progressive effects of this utility model are as follows: This utility model includes four synchronous lifting components and a lifting base. The four synchronous lifting components are respectively connected around the lifting base to increase the load-bearing capacity. The four synchronous lifting components lift synchronously, which increases stability and prevents tipping. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the hydraulic synchronous lifting system of this utility model.

[0014] Figure 2 This is a three-dimensional structural diagram of one side of the hydraulic synchronous lifting system of this utility model.

[0015] Figure 3 This is a schematic diagram of the lifting seat in this utility model.

[0016] Figure 4 This is a schematic diagram of the structure of the first, second, third, or fourth hydraulic pump in this utility model.

[0017] Figure 5 This is a schematic diagram of the structure of the first, second, third, or fourth hydraulic cylinder in this utility model. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0020] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] like Figure 1 As shown, the hydraulic synchronous lifting system of this utility model includes four synchronous lifting components and a lifting base 9. The four synchronous lifting components include a first hydraulic pump 1, a second hydraulic pump 2, a third hydraulic pump 3, a fourth hydraulic pump 4, a first cylinder 5, a second cylinder 6, a third cylinder 7, and a fourth cylinder 8. The structures of the first hydraulic pump 1, the second hydraulic pump 2, the third hydraulic pump 3, and the fourth hydraulic pump 4 are all the same. The structures of the first cylinder 5, the second cylinder 6, the third cylinder 7, and the fourth cylinder 8 are also the same. The first cylinder 5, the second cylinder 6, the third cylinder 7, and the fourth cylinder 8 are respectively connected to the four sides of the lifting base 9. The first hydraulic pump 1 is connected to the first cylinder 5, the second hydraulic pump 2 is connected to the second cylinder 6, the third hydraulic pump 3 is connected to the third cylinder 7, and the fourth hydraulic pump 4 is connected to the fourth cylinder 8.

[0022] like Figure 4 and Figure 5 As shown, the first hydraulic pump 1, the second hydraulic pump 2, the third hydraulic pump 3, and the fourth hydraulic pump 4 are each provided with an oil outlet 11 and a first oil return port 12. The first cylinder 5, the second cylinder 6, the third cylinder 7, and the fourth cylinder 8 are each provided with an oil inlet 51 and a second oil return port 52. The oil outlet 11 and the oil inlet 51 are connected by a first oil pipe 10, and the first oil return port 12 and the second oil return port 52 are connected by a second oil pipe 13, which facilitates the supply and return of hydraulic oil to the first cylinder 5, the second cylinder 6, the third cylinder 7, and the fourth cylinder 8.

[0023] like Figure 3and Figure 5 As shown, a support rod 91 is provided around the lifting base 9. A connecting ring 53 is provided at the top of the first cylinder 5, the second cylinder 6, the third cylinder 7, and the fourth cylinder 8. A insertion hole 54 is provided in the middle of the connecting ring 53. The support rod 91 is inserted into the insertion hole 54, which facilitates the connection of the first cylinder 5, the second cylinder 6, the third cylinder 7, and the fourth cylinder 8 to the four sides of the lifting base 9, making insertion convenient.

[0024] like Figure 5 As shown, a displacement sensor 55 is provided at the top of the first cylinder 5, the top of the second cylinder 6, the top of the third cylinder 7, and the top of the fourth cylinder 8. A pressure sensor 56 is provided on the side of the first cylinder 5, the side of the second cylinder 6, the side of the third cylinder 7, and the side of the fourth cylinder 8. The displacement sensor 55 measures the vertical displacement of the first cylinder 5, the second cylinder 6, the third cylinder 7, and the fourth cylinder 8 in real time, and the pressure sensor 56 measures the pressure of the first cylinder 5, the second cylinder 6, the third cylinder 7, and the fourth cylinder 8 in real time, so that the first cylinder 5, the second cylinder 6, the third cylinder 7, and the fourth cylinder 8 move synchronously and prevent deviation, thereby causing deviation of the lifting seat 9.

[0025] like Figure 4 As shown, a display screen 14 and multiple operation buttons 15 are provided on the side of the first hydraulic pump 1, the side of the second hydraulic pump 2, the side of the third hydraulic pump 3, and the side of the fourth hydraulic pump 4. The display screen 14 displays specific information, and the multiple operation buttons 15 are used for convenient operation.

[0026] The first hydraulic pump 1, the second hydraulic pump 2, the third hydraulic pump 3, and the fourth hydraulic pump 4 are all connected to a main control console. The main control console includes a PLC controller and an audible and visual alarm, which facilitates the synchronous control of the first hydraulic pump 1, the second hydraulic pump 2, the third hydraulic pump 3, and the fourth hydraulic pump 4, so that the four synchronous lifting components can lift and lower synchronously. When the vertical displacement of the first cylinder 5, the second cylinder 6, the third cylinder 7, and the fourth cylinder 8 exceeds the maximum displacement, the audible and visual alarm will sound.

[0027] The working principle of this utility model is as follows: All components of this utility model are general standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. In use, this utility model includes four synchronous lifting components and a lifting base 9. The weight to be lifted is placed on the lifting base 9. The first hydraulic cylinder 5, the second hydraulic cylinder 6, the third hydraulic cylinder 7, and the fourth hydraulic cylinder 8 are respectively connected to the four sides of the lifting base 9, that is, the four synchronous lifting components are respectively connected to the four sides of the lifting base to increase the load-bearing capacity. The first hydraulic pump 1, the second hydraulic pump 2, the third hydraulic pump 3, and the fourth hydraulic pump 4 respectively drive the first hydraulic cylinder 5, the second hydraulic cylinder 6, the third hydraulic cylinder 7, and the fourth hydraulic cylinder 8 to lift synchronously, thus realizing the synchronous lifting of the four synchronous lifting components, increasing stability and preventing tipping.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A hydraulic synchronous jacking system, characterized in that, It includes four synchronous jacking assemblies and a jacking seat (9), the four synchronous jacking assemblies include a first hydraulic pump (1), a second hydraulic pump (2), a third hydraulic pump (3), a fourth hydraulic pump (4), a first oil cylinder (5), a second oil cylinder (6), a third oil cylinder (7), a fourth oil cylinder (8), the structure of the first hydraulic pump (1), the structure of the second hydraulic pump (2), the structure of the third hydraulic pump (3), the structure of the fourth hydraulic pump (4) are same, the structure of the first oil cylinder (5), the structure of the second oil cylinder (6), the structure of the third oil cylinder (7), the structure of the fourth oil cylinder (8) are same, the first oil cylinder (5), the second oil cylinder (6), the third oil cylinder (7), the fourth oil cylinder (8) are connected with the four around of the jacking seat (9) respectively, the first hydraulic pump (1) is connected with the first oil cylinder (5), the second hydraulic pump (2) is connected with the second oil cylinder (6), the third hydraulic pump (3) is connected with the third oil cylinder (7), the fourth hydraulic pump (4) is connected with the fourth oil cylinder (8).

2. The hydraulic synchronous lifting system of claim 1, wherein, The first hydraulic pump (1), the second hydraulic pump (2), the third hydraulic pump (3), the fourth hydraulic pump (4) are all provided with an oil outlet (11) and a first oil return port (12), the first oil cylinder (5), the second oil cylinder (6), the third oil cylinder (7), the fourth oil cylinder (8) are all provided with an oil inlet (51) and a second oil return port (52), the oil outlet (11) and the oil inlet (51) are communicated through a first oil pipe (10), the first oil return port (12) and the second oil return port (52) are communicated through a second oil pipe (13).

3. The hydraulic synchronous lifting system of claim 1, wherein, The four around of the jacking seat (9) are respectively provided with a support rod (91), the top end of the first oil cylinder (5), the top end of the second oil cylinder (6), the top end of the third oil cylinder (7), the top end of the fourth oil cylinder (8) are all provided with a connecting ring (53), the middle of the connecting ring (53) is provided with a jack (54), the support rod (91) is inserted with the jack (54).

4. The hydraulic synchronous lifting system of claim 1, wherein, The top end of the first oil cylinder (5), the top end of the second oil cylinder (6), the top end of the third oil cylinder (7), the top end of the fourth oil cylinder (8) are all provided with a displacement sensor (55), the side of the first oil cylinder (5), the side of the second oil cylinder (6), the side of the third oil cylinder (7), the side of the fourth oil cylinder (8) are all provided with a pressure sensor (56).

5. The hydraulic synchronous lifting system of claim 4, wherein, The side of the first hydraulic pump (1), the side of the second hydraulic pump (2), the side of the third hydraulic pump (3), the side of the fourth hydraulic pump (4) are all provided with a display screen (14) and multiple operation buttons (15).

6. The hydraulic synchronous lifting system of claim 1, wherein, The first hydraulic pump (1), the second hydraulic pump (2), the third hydraulic pump (3), the fourth hydraulic pump (4) are all connected with a general control console, the general control console includes a PLC controller and an audible and visual alarm.

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