Novel automatic jacking device

Abstract

The utility model relates to the technical field of hydraulic jacking, and discloses a novel automatic jacking device which comprises a jacking table, a lifting support assembly is arranged on the left side of the upper portion of the jacking table, a fixed support assembly is arranged on the right side of the upper portion of the jacking table, and a jacking mechanism base is arranged under the jacking table. According to the novel automatic jacking device, the guide column with the large diameter provides high strength to prevent lifting deformation, the square rail is connected with the standard cam bearing follower to achieve one-way limiting, the eccentric shaft sleeve type cam bearing follower can adjust the distance between the square rail and the standard cam bearing follower, and if parallelism errors exist between the square rail and the lifting direction, the square rail can be automatically jacked. By adjusting the upper eccentric shaft sleeve type cam bearing follower and the lower eccentric shaft sleeve type cam bearing follower, the square rail and the standard cam bearing follower can be in rolling contact all the time, and the problems that due to machining or installation errors, the parallelism of a guide mechanism and a lifting part is insufficient, and then lifting is stuck and the guide mechanism is seriously abraded can be effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic jacking technical field, concretely is a novel automatic jacking device. BACKGROUND

[0002] Automatic jacking device is a kind of equipment that can automatically lift object, from working principle, it usually utilizes hydraulic, pneumatic or electric power source, for example, hydraulic automatic jacking device, through the flow of hydraulic oil in closed cylinder, piston movement is pushed, to generate the power of jacking, on structure, generally include jacking parts, power unit, control unit and support structure, its application scene is very extensive, in the field of automobile maintenance, automatic jacking device can easily lift the car, facilitate maintenance personnel to check chassis parts, in construction, can be used for jacking large building components, ensure the accuracy of construction, warehousing and logistics, can help the automatic stacking of goods, lift goods to suitable shelf height, and it can realize jacking of different speeds, height by accurate control unit, greatly improve work efficiency and safety.

[0003] Traditional automatic jacking device, its linear guide mechanism often uses guide pillar guide sleeve, linear bearing etc., but when jacking mechanism is larger, load is higher, stroke is longer and there is certain eccentric load, has the following defects: when jacking support and jacking platform are larger, guide installation part needs to be processed separately, the coaxial error between guide shaft and shaft sleeve after installation is larger, jacking is not smooth, causes the wear of guide pillar guide sleeve or linear bearing, and if there is eccentric load in jacking process, can aggravate the wear condition, prone to automatic jacking device damage, reduces the service life of automatic jacking device. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a novel automatic jacking device, which can effectively solve the problems in the prior art.

[0005] The technical scheme adopted by the utility model is: a novel automatic jacking device, including jacking table, the left side of the upper part of jacking table is provided with lifting support assembly, the right side of the upper part of jacking table is provided with fixed support assembly, the jacking mechanism base is arranged below jacking table, the middle of the inside of jacking mechanism base is provided with oil cylinder support, the inner side of oil cylinder support is fixedly installed with main hydraulic oil cylinder, the movable end of main hydraulic oil cylinder is fixedly connected with jacking table, guide assembly is arranged between jacking table and jacking mechanism base, the front and rear sides of the top end of jacking mechanism base are provided with buffer sheets, the right side in the inside of jacking mechanism base is provided with hydraulic pump and electromagnetic valve.

[0006] Preferably, the guide assembly is provided with four identical sets, which are symmetrically distributed at the four corners of the top lifting mechanism base top end, and the center lines of the main hydraulic cylinder, the top lifting mechanism base and the lifting platform are located on the same vertical line.

[0007] Through the above technical scheme, in use, the movable end of the main hydraulic cylinder transmits power to the lifting platform, and the lifting platform can be guided by the guide assembly during lifting, thereby ensuring stable lifting of the lifting platform.

[0008] Preferably, the lifting support assembly comprises a sub-hydraulic cylinder, a movable plate, a support body, a guide rod and a guide sleeve, the sub-hydraulic cylinder is fixedly installed at the lower left of the lifting platform, a guide sleeve is fixedly installed at the left side of the inside of the lifting platform, the movable end of the sub-hydraulic cylinder is fixedly installed with the movable plate, the top end of the movable plate is fixedly installed with the support body, and the lower part of the movable plate is fixedly installed with the guide rod.

[0009] Preferably, the guide rod and the guide sleeve are provided with four identical sets, which are symmetrically distributed about the center line of the sub-hydraulic cylinder.

[0010] Through the above technical scheme, in the process of fine adjustment of lifting, the movable end of the sub-hydraulic cylinder pushes the movable plate to move upward, and the guide rod and the guide sleeve can play a guiding role during upward movement of the movable plate, thereby ensuring stable lifting of the support body.

[0011] Preferably, the guide assembly comprises a flange seat, a guide column, a square rail, a locking bolt, a guide frame, a roller fixed plate, an eccentric shaft sleeve type cam bearing follower, a standard cam bearing follower and a buffer pad, the lower part of the lifting platform is fixedly installed with the flange seat, the lower part of the flange seat is fixedly installed with the guide column, the outer side of the guide column is fixedly installed with the square rail, the locking bolt is arranged between the guide column and the square rail, the two sides of the upper part of the top lifting mechanism base are fixedly installed with the guide frame, the inside of the guide frame is fixedly installed with the roller fixed plate, the outer side of the roller fixed plate is rotatably installed with the eccentric shaft sleeve type cam bearing follower and the standard cam bearing follower, and the top end of the guide frame is fixedly installed with the buffer pad.

[0012] Preferably, the number of the eccentric shaft sleeve type cam bearing followers and the standard cam bearing followers is twice that of the roller fixed plate, and the eccentric shaft sleeve type cam bearing followers and the standard cam bearing followers are distributed on the two sides of the square rail.

[0013] Through the technical scheme, in the process of lifting of the jacking platform, the guide column and the square rail move upward, the guide column with large diameter provides strength to prevent deformation in the lifting process, the square rail and the standard cam bearing follower are connected to provide one-way limiting, and the eccentric shaft sleeve type cam bearing follower on one side can adjust the distance between the square rail and the standard cam bearing follower, if there is a parallelism error between the square rail and the lifting direction after installation, the eccentric shaft sleeve type cam bearing followers above and below can be adjusted to make the square rail and the standard cam bearing follower always have rolling contact, lifting guidance is realized, in the working condition with poor precision and large load, the problem of lifting jamming and serious wear of the guiding mechanism caused by insufficient parallelism between the guiding mechanism and the lifting due to machining or installation error can be avoided.

[0014] Compared with the prior art, the novel automatic jacking device has the following beneficial effects: the novel automatic jacking device is provided with a guide assembly, a lifting support assembly, a fixed support assembly and a main hydraulic oil cylinder, the guide column with large diameter provides high strength to prevent lifting deformation, the square rail is connected with the standard cam bearing follower to realize one-way limiting, and the eccentric shaft sleeve type cam bearing follower on one side can adjust the distance between the square rail and the standard cam bearing follower, if there is a parallelism error between the square rail and the lifting direction after installation, the eccentric shaft sleeve type cam bearing followers above and below can be adjusted to make the square rail and the standard cam bearing follower always have rolling contact, lifting guidance is realized, in the working condition with poor precision and large load, the problem of lifting jamming and serious wear of the guiding mechanism caused by insufficient parallelism between the guiding mechanism and the lifting due to machining or installation error can be avoided, and the service life of the jacking device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a guide assembly installation structure schematic view of the utility model;

[0017] Figure 3 It is a jacking mechanism base internal front view structure schematic view of the utility model;

[0018] Figure 4 It is a jacking mechanism base internal three-dimensional structure schematic view of the utility model;

[0019] Figure 5 It is a lifting support assembly installation structure schematic of the utility model Figure 1 ;

[0020] Figure 6 It is a lifting support assembly three-dimensional structure schematic view of the utility model;

[0021] Figure 7 This is a schematic diagram of the installation structure of the lifting support assembly of this utility model. Figure 2 .

[0022] The components include: 1. Lifting platform; 2. Fixed support assembly; 3. Lifting support assembly; 301. Auxiliary hydraulic cylinder; 302. Movable plate; 303. Support body; 304. Guide rod; 305. Guide sleeve; 4. Lifting mechanism base; 5. Guide assembly; 501. Flange seat; 502. Guide column; 504. Square rail; 505. Locking bolt; 506. Guide frame; 507. Roller fixing plate; 508. Eccentric shaft sleeve type cam bearing follower; 509. Standard type cam bearing follower; 510. Buffer pad; 6. Cylinder bracket; 7. Main hydraulic cylinder; 8. Solenoid valve; 9. Buffer plate; 10. Hydraulic pump. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1: As Figures 1-7 As shown, this utility model provides a novel automatic lifting device, including a lifting platform 1. A lifting support assembly 3 is arranged on the upper left side of the lifting platform 1, and a fixed support assembly 2 is arranged on the upper right side of the lifting platform 1. A lifting mechanism base 4 is arranged directly below the lifting platform 1. A cylinder bracket 6 is arranged in the middle inside the lifting mechanism base 4. A main hydraulic cylinder 7 is fixedly installed on the inner side of the cylinder bracket 6. The movable end of the main hydraulic cylinder 7 is fixedly connected to the lifting platform 1. A guide assembly 5 is arranged between the lifting platform 1 and the lifting mechanism base 4. Buffer plates 9 are provided on the front and rear sides of the top of the 4. A hydraulic pump 10 and a solenoid valve 8 are provided on the right side inside the lifting mechanism base 4. Four identical sets of guide components 5 are provided. The four sets of guide components 5 are symmetrically distributed at the four corners of the top of the lifting mechanism base 4. The center lines of the main hydraulic cylinder 7, the lifting mechanism base 4 and the lifting platform 1 are on the same vertical line. The advantage is that when in use, the moving end of the main hydraulic cylinder 7 transmits power to the lifting platform 1. During the lifting process, the lifting platform 1 can be guided by the guide components 5 to ensure that the lifting platform 1 lifts and lowers smoothly.

[0025] Specifically, the lifting support assembly 3 comprises a secondary hydraulic oil cylinder 301, a movable plate 302, a support body 303, guide rods 304 and guide sleeves 305. The secondary hydraulic oil cylinder 301 is fixedly installed below the left side of the jacking table 1. The guide sleeves 305 are fixedly installed on the left side inside the jacking table 1. The movable end of the secondary hydraulic oil cylinder 301 is fixedly installed with the movable plate 302. The top end of the movable plate 302 is fixedly installed with the support body 303. The lower part of the movable plate 302 is fixedly installed with the guide rods 304. The guide rods 304 and the guide sleeves 305 are provided with the same four. The four guide rods 304 and the guide sleeves 305 are symmetrically distributed about the center line of the secondary hydraulic oil cylinder 301. The advantage is that, in the process of fine adjustment of jacking, the movable end of the secondary hydraulic oil cylinder 301 pushes the movable plate 302 to move upward. In the process of upward movement of the movable plate 302, the guide rods 304 and the guide sleeves 305 can play a guiding role, ensuring the stable lifting of the support body 303.

[0026] Embodiment two: as shown in Figures 2-7 , as an improvement on the last embodiment.

[0027] Specifically, the guide assembly 5 comprises a flange seat 501, a guide column 502, a square rail 504, a locking bolt 505, a guide frame 506, a roller fixing plate 507, an eccentric shaft sleeve type cam bearing follower 508, a standard type cam bearing follower 509 and a buffer pad 510, the lower part of the jacking table 1 is fixedly installed with the flange seat 501, the lower part of the flange seat 501 is fixedly installed with the guide column 502, the outer side of the guide column 502 is fixedly installed with the square rail 504, the guide column 502 and the square rail 504 are provided with the locking bolt 505, the two sides of the upper part of the jacking mechanism base 4 are fixedly installed with the guide frame 506, the inside of the guide frame 506 is fixedly installed with the roller fixing plate 507, the outer side of the roller fixing plate 507 is rotatably installed with the eccentric shaft sleeve type cam bearing follower 508 and the standard type cam bearing follower 509, the top end of the guide frame 506 is fixedly installed with the buffer pad 510, the number of the eccentric shaft sleeve type cam bearing follower 508 and the standard type cam bearing follower 509 is twice that of the roller fixing plate 507, the eccentric shaft sleeve type cam bearing follower 508 and the standard type cam bearing follower 509 are distributed on the two sides of the square rail 504, and the advantage is that in the lifting process of the jacking table 1, the guide column 502 and the square rail 504 move upwards, the guide column 502 with a larger diameter provides strength to prevent deformation during lifting, the square rail 504 and the standard type cam bearing follower 509 are connected to provide directional limiting, and the eccentric shaft sleeve type cam bearing follower 508 on one side can adjust the distance between the square rail 504 and the standard type cam bearing follower 509, if there is a parallelism error between the square rail 504 and the lifting direction after installation, the distance between the square rail 504 and the standard type cam bearing follower 509 can be adjusted by adjusting the two eccentric shaft sleeve type cam bearing followers 508, so that the square rail 504 and the standard type cam bearing follower 509 always have rolling contact, the lifting guide is realized, in the working condition that the precision is not easy to guarantee and the load is large, the problem that the guide mechanism and the lifting part are insufficient in parallelism due to errors in machining or installation, and then the lifting is blocked and the guide mechanism is seriously worn can be effectively avoided, and the service life of the jacking device is improved.

[0028] Working principle: in use, the movable end of the main hydraulic cylinder 7 will transmit power to the jacking platform 1, and the jacking platform 1 can be guided by the guide assembly 5 during lifting to ensure stable lifting of the jacking platform 1, during the guiding of the guide assembly 5, the guide column 502 and the square rail 504 move upward, the guide column 502 with a larger diameter provides strength to prevent deformation during lifting, the square rail 504 is connected with the standard cam bearing follower 509 to provide directional limiting, and the eccentric shaft sleeve type cam bearing follower 508 on one side can adjust the distance between the square rail 504 and the standard cam bearing follower 509, if there is a parallelism error between the square rail 504 and the lifting direction after installation, the distance between the square rail 504 and the standard cam bearing follower 509 can be adjusted by adjusting the two eccentric shaft sleeve type cam bearing followers 508, so that the square rail 504 and the standard cam bearing follower 509 always have rolling contact, the lifting guide is realized, in the working condition that the precision is not easy to guarantee and the load is large, the problem that the lifting is blocked and the guide mechanism is seriously worn due to the error caused by machining or installation and the parallelism between the guide mechanism and the lifting part is insufficient can be effectively avoided, and the service life of the jacking device is improved.

[0029] 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 new type of automatic jacking device comprising a jacking table (1), characterized in that: The left side of the upper part of the jacking platform (1) is provided with a lifting support assembly (3), the right side of the upper part of the jacking platform (1) is provided with a fixed support assembly (2), the jacking platform (1) is provided below with a jacking mechanism base (4), the middle of the inside of the jacking mechanism base (4) is provided with an oil cylinder support (6), the inner side of the oil cylinder support (6) is fixedly installed with a main hydraulic oil cylinder (7), the movable end of the main hydraulic oil cylinder (7) is fixedly connected with the jacking platform (1), a guide assembly (5) is arranged between the jacking platform (1) and the jacking mechanism base (4), the front and rear sides of the top end of the jacking mechanism base (4) are provided with buffer sheets (9), the right side of the inside of the jacking mechanism base (4) is provided with a hydraulic pump (10) and a solenoid valve (8).

2. A novel automatic jacking device as claimed in claim 1, wherein: The lifting support assembly (3) comprises a vice hydraulic oil cylinder (301), a movable plate (302), a support body (303), a guide rod (304) and a guide sleeve (305), the vice hydraulic oil cylinder (301) is fixedly installed below the left side of the jacking platform (1), the left side of the inside of the jacking platform (1) is fixedly installed with the guide sleeve (305), the movable end of the vice hydraulic oil cylinder (301) is fixedly installed with the movable plate (302), the top end of the movable plate (302) is fixedly installed with the support body (303), the lower part of the movable plate (302) is fixedly installed with the guide rod (304).

3. A novel automatic jacking device as claimed in claim 2, wherein: The guide rod (304) and the guide sleeve (305) are provided with the same four, and the four guide rods (304) and guide sleeves (305) are symmetrically distributed about the center line of the vice hydraulic oil cylinder (301).

4. A new type of automatic jacking device according to claim 1, characterized in that: The guide assembly (5) comprises a flange seat (501), a guide column (502), a square rail (504), a locking bolt (505), a guide frame (506), a roller fixing plate (507), an eccentric shaft sleeve type cam bearing follower (508), a standard type cam bearing follower (509) and a buffer pad (510), the lower part of the jacking platform (1) is fixedly installed with the flange seat (501), the lower part of the flange seat (501) is fixedly installed with the guide column (502), the outer side of the guide column (502) is fixedly installed with the square rail (504), the guide column (502) and the square rail (504) are provided with the locking bolt (505), the two sides of the upper part of the jacking mechanism base (4) are fixedly installed with the guide frame (506), the inside of the guide frame (506) is fixedly installed with the roller fixing plate (507), the outer side of the roller fixing plate (507) is rotatably installed with the eccentric shaft sleeve type cam bearing follower (508) and the standard type cam bearing follower (509), the top end of the guide frame (506) is fixedly installed with the buffer pad (510).

5. A new type of automatic jacking device according to claim 1, characterized in that: The guide assembly (5) is provided with the same four groups, and the four guide assemblies (5) are symmetrically distributed at the four corners of the top end of the jacking mechanism base (4), the center lines of the main hydraulic oil cylinder (7), the jacking mechanism base (4) and the jacking platform (1) are located on the same vertical line.

6. A novel automatic jacking device as claimed in claim 4, wherein: The eccentric shaft sleeve type cam bearing followers (508) and the standard type cam bearing followers (509) are twice the number of the roller fixing plates (507), and are distributed on both sides of the flat rail (504).

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