Hydraulic telescopic back-jacking supporting device

Abstract

The utility model discloses a hydraulic telescopic back-jacking supporting device, which belongs to the technical field of supporting equipment and comprises an upper top cover, a lower base and hydraulic equipment. The hydraulic equipment comprises a set of main hydraulic oil cylinders and four sets of auxiliary hydraulic oil cylinders, the bottoms of the main hydraulic oil cylinders and the bottoms of the auxiliary hydraulic oil cylinders are installed at the bottom of an inner cavity of the lower base, piston rods of the main hydraulic oil cylinders and piston rods of the auxiliary hydraulic oil cylinders are fixed to the top of an inner cavity of the upper top cover, and the main hydraulic oil cylinders are located in the centers of the upper top cover and the lower base. The upper top cover and the lower base are supported through the main hydraulic oil cylinder and the auxiliary hydraulic oil cylinders, supporting force of the supporting structure is provided, meanwhile, the auxiliary hydraulic oil cylinders can adjust the levelness of the upper top cover, inclination of the device is avoided, meanwhile, a plurality of sets of devices can be stacked up and down, and the device is convenient to use. The insufficient length of a single oil cylinder is avoided, the two sets of devices can be connected through bolt hole positions, and the overall stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to support equipment technical field, concretely is a hydraulic telescopic back -top support device. BACKGROUND

[0002] At present, along with the rapid development of our country economic construction, the highway, bridge and other national infrastructure construction gradually speed up too. The demand of template support frame and other temporary structure engineering also increases. Many residential engineering ground floor construction is completed, and the construction vehicle needs to pass on the annular road of ground floor roof, and the annular passageway part needs to be supported back in the ground floor for the safety of ground floor, to ensure that the ground floor is not damaged.

[0003] The traditional support device adopts single group hydraulic cylinder to directly support operation, and the stability is insufficient after the hydraulic cylinder is jacked, the height is lifted, the support structure is easily shaken, the stability of the direct structure is affected, and the single group hydraulic cylinder needs to be used by means of other auxiliary tools, so that the efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model discloses a hydraulic telescopic back -top support device, through the cooperation of upper top cover and lower base, can increase the contact area with the support structure, and the hydraulic equipment adopts one main hydraulic cylinder and four auxiliary hydraulic cylinders design, utilizes the main hydraulic cylinder to provide the main supporting force, and the auxiliary hydraulic cylinder can not only provide the auxiliary supporting force, but also can balance the adjustment of the device, enhances the stability of the overall structure of the device, and the device can be stacked up and down, avoids the stability reduction after the extension of the cylinder, and avoids the problem of insufficient length of single group hydraulic cylinder, to solve the problems in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a hydraulic telescopic back -top support device, comprising:

[0006] Upper top cover, lower base and hydraulic equipment;

[0007] The hydraulic equipment includes a group of main hydraulic cylinders and four groups of auxiliary hydraulic cylinders, the bottom of the main hydraulic cylinder and the auxiliary hydraulic cylinder is installed in the bottom of the lower base inner chamber, the piston rod of the main hydraulic cylinder and the auxiliary hydraulic cylinder is fixed in the top of the upper top cover inner chamber, the main hydraulic cylinder is located at the center of the upper top cover and the lower base, and the auxiliary hydraulic cylinder is evenly dispersed around the main hydraulic cylinder;

[0008] Still include the bolt hole position that sets up with the upper top cover and the lower base four corners;

[0009] And the positioning assembly arranged at the top of the upper top cover.

[0010] Preferably, the positioning assembly comprises vertical holes opened around the top of the upper cover, the inner cavity of the vertical hole movably provides a movable seat, the top of the movable seat is provided with a groove, and the inner cavity of the groove movably provides a positioning steel ball, the bottom of the inner cavity of the vertical hole is fixed with a supporting spring, and the top of the supporting spring is fixedly connected with the movable seat.

[0011] Preferably, the upper cover is provided with a mounting groove around the circumference, and a leveler is mounted in the mounting groove.

[0012] Preferably, the lower base is provided with a positioning hole around the bottom, and the positioning steel ball is movably connected with the positioning hole.

[0013] Preferably, a connecting bolt is inserted into the bolt hole, and the connecting bolt is screwed with a connecting nut through the two groups of bolt holes.

[0014] Preferably, the bottom of the movable seat is provided with a receiving hole, and the top of the supporting spring is located in the receiving hole.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The main hydraulic cylinder and the auxiliary hydraulic cylinder support the upper cover and the lower base, provide the supporting force of the supporting structure, the auxiliary hydraulic cylinder can adjust the levelness of the upper cover, avoid the inclination of the device, a plurality of devices can be stacked up and down, the length of the single cylinder is sufficient, and the two devices can be connected through the bolt holes, thereby increasing the stability of the whole.

[0017] 2. The positioning assembly assists the bolt hole, the connecting bolt is inserted into the bolt hole, and the connecting nut is used for connection and fixation. DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic view of the lower base and the hydraulic equipment of the utility model;

[0020] Figure 3 It is a three-dimensional structure schematic view of the upper cover and the lower base of the utility model;

[0021] Figure 4 It is a partial three-dimensional structure schematic view of the positioning assembly of the utility model;

[0022] Figure 5 It is a three-dimensional structure schematic view of the utility model.

[0023] The figure label: 1, upper top cover; 2, lower base; 3, hydraulic equipment; 31, main hydraulic cylinder; 32, auxiliary hydraulic cylinder; 4, bolt hole position; 5, positioning assembly; 51, vertical hole; 52, movable seat; 53, groove; 54, positioning steel ball; 55, supporting spring; 6, leveler; 7, positioning hole; 8, connecting bolt; 9, connecting nut; 10, storage hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] The utility model provides a kind of hydraulic telescopic back supporting device as Figures 1-5 As shown in the figure, it comprises:

[0026] Upper top cover 1, lower base 2 and hydraulic equipment 3;

[0027] Hydraulic equipment 3 includes a group of main hydraulic cylinders 31 and four groups of auxiliary hydraulic cylinders 32, the bottom of main hydraulic cylinder 31 and auxiliary hydraulic cylinder 32 is installed in the bottom of lower base 2 inner chamber, the piston rod of main hydraulic cylinder 31 and auxiliary hydraulic cylinder 32 is fixed in the top of upper top cover 1 inner chamber, main hydraulic cylinder 31 is located at the center of upper top cover 1 and lower base 2, auxiliary hydraulic cylinder 32 is evenly dispersed around main hydraulic cylinder 31;

[0028] It also includes the bolt hole position 4 set with upper top cover 1 and lower base 2 four corners;

[0029] And positioning assembly 5 set in the top of upper top cover 1;

[0030] Main hydraulic cylinder 31 and auxiliary hydraulic cylinder 32 support upper top cover 1 and lower base 2, provide the support force of support structure, while auxiliary hydraulic cylinder 32 can adjust the levelness of upper top cover 1, avoid device inclination, while multiple sets of devices can be stacked up and down, avoid insufficient length of single set of cylinder, and two sets of devices can be connected through bolt hole position 4, increase the stability of whole.

[0031] As shown in the figure, it comprises: Figures 3-4

[0032] ​The positioning assembly 5 comprises vertical holes 51 opened around the top of the upper cover 1, the inner cavity of the vertical hole 51 movably provided with a movable seat 52, the top of the movable seat 52 is provided with a groove 53, and the inner cavity of the groove 53 movably provided with a positioning steel ball 54, the bottom of the inner cavity of the vertical hole 51 is fixed with a supporting spring 55, the top of the supporting spring 55 is fixedly connected with the movable seat 52, the supporting spring 55 provided in the vertical hole 51 supports the movable seat 52, which facilitates the movable seat 52 to move up and down in the vertical hole 51, then the positioning steel ball 54 is placed in the groove 53 on the top of the movable seat 52, and then adjusted between the upper and lower stacked lower base 2 and upper cover 1, and positioned by the positioning hole 7, so as to ensure that the bolt hole positions 4 of the upper and lower groups are aligned.

[0033] Further, as shown in Figure 1 , Figure 3 and Figure 5 :

[0034] The upper cover 1 is provided with a mounting groove around the circumference, and a level 6 is mounted in the mounting groove. The level 6 mounted in the mounting groove facilitates the measurement of the levelness of the upper cover 1, and assists the auxiliary hydraulic oil cylinder 32 in adjusting the levelness of the upper cover 1.

[0035] Preferably, as shown in Figure 3 and Figure 5 :

[0036] The lower base 2 is provided with a positioning hole 7 around the bottom, and the positioning steel ball 54 is movably connected with the positioning hole 7. Through the positioning hole 7, the positioning steel ball 54 is movably connected with the positioning hole 7 under the elastic support of the supporting spring 55, so that the upper and lower groups are aligned.

[0037] It is worth noting that, as shown in Figure 5 :

[0038] The bolt hole position 4 is provided with a connecting bolt 8, the connecting bolt 8 penetrates the two bolt hole positions 4 and is threadedly connected with a connecting nut 9. Through the cooperation of the connecting bolt 8 and the connecting nut 9, the two groups of devices stacked above and below are connected by penetrating the bolt hole position 4, which prevents the misalignment of the upper and lower groups during the supporting process, and improves the integrity and stability of the device.

[0039] Further, as shown in Figure 4 :

[0040] The bottom of the movable seat 52 is provided with a receiving hole 10, and the top of the supporting spring 55 is located in the receiving hole 10. Through the arrangement of the receiving hole 10, the supporting spring 55 is protected, and the supporting spring 55 is prevented from being frequently contacted and rubbed with the upper cover 1 when being pressed.

[0041] In specific use, the device is placed under the structure to be supported, multiple groups are stacked according to the height, during the adjustment of the upper device, the positioning steel ball 54 is compressed into the vertical hole 51, when the vertical hole 51 is aligned with the positioning hole 7, the support spring 55 drives the movable seat 52 to move upwards, the positioning steel ball 54 is clamped with the positioning hole 7, so that the upper and lower two groups of devices are aligned, then the connecting bolt 8 is inserted into the bolt hole 4, the connecting nut 9 is used for fixing and connecting, the main hydraulic cylinder 31 and the auxiliary hydraulic cylinder 32 are started to support the upper top cover 1 and the lower base 2, meanwhile, according to the state of the leveler 6, the four groups of auxiliary hydraulic cylinders 32 are adjusted, so that the upper top cover 1 is kept horizontal, and the purpose of supporting the structure is achieved.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hydraulic retractable jacking support apparatus, characterised in that, Include: The upper cover (1), the lower base (2) and the hydraulic equipment (3); The hydraulic equipment (3) includes a group of main hydraulic cylinders (31) and four groups of auxiliary hydraulic cylinders (32), the bottom of the main hydraulic cylinder (31) and the auxiliary hydraulic cylinder (32) is installed in the bottom of the inner cavity of the lower base (2), the piston rod of the main hydraulic cylinder (31) and the auxiliary hydraulic cylinder (32) is fixed in the top of the inner cavity of the upper cover (1), the main hydraulic cylinder (31) is located at the center of the upper cover (1) and the lower base (2), the auxiliary hydraulic cylinder (32) is uniformly dispersed around the main hydraulic cylinder (31); It also includes the bolt hole (4) provided at the four corners of the upper cover (1) and the lower base (2); And the positioning assembly (5) provided on the top of the upper cover (1).

2. A hydraulic retracting jacking support device according to claim 1, wherein: The positioning assembly (5) includes a vertical hole (51) opened around the top of the upper cover (1), the inner cavity of the vertical hole (51) movably provided with a movable seat (52), the top of the movable seat (52) provided with a groove (53), and the inner cavity of the groove (53) movably provided with a positioning steel ball (54), the bottom of the vertical hole (51) is fixed with a supporting spring (55), and the top of the supporting spring (55) is fixedly connected with the movable seat (52).

3. The hydraulic retracting jacking support device according to claim 1, wherein: The upper cover (1) is provided with a mounting groove around the top, and a leveler (6) is mounted in the mounting groove.

4. The hydraulic retracting jacking support device according to claim 2, wherein: The lower base (2) is provided with a positioning hole (7) around the bottom, and the positioning steel ball (54) is movably connected with the positioning hole (7).

5. The hydraulic retracting kickback support device of claim 1, wherein: The bolt hole (4) is inserted with a connecting bolt (8), the connecting bolt (8) penetrates through two groups of bolt holes (4) and is threadedly connected with a connecting nut (9).

6. The hydraulic telescoping kickback support device of claim 2, wherein: The bottom of the movable seat (52) is provided with a receiving hole (10), and the top of the supporting spring (55) is located in the receiving hole (10).

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