CN219297071U

CN219297071U - Double-inclined-wedge lifting mechanism

Info

Publication number: CN219297071U
Application number: CN202223572193.7U
Authority: CN
Inventors: 李冠群
Original assignee: Baoding Xiangyang Aviation Precision Machinery Co ltd
Current assignee: Baoding Xiangyang Aviation Precision Machinery Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-07-04
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to a double-wedge lifting mechanism, which comprises a bottom plate and a workbench, wherein the workbench is connected to the upper end surface of the bottom plate in a lifting manner, guide assemblies are respectively arranged at four corners of the upper end surface of the bottom plate along the vertical direction, the top working end of each guide assembly is connected to the lower end surface of the workbench through bolts, lifting assemblies are symmetrically arranged on the upper end surface of the bottom plate left and right, the vertical working end of each lifting assembly is detachably connected with a support arm, two ends of the upper end surface of each support arm are respectively detachably connected with a first connecting seat, the top of each first connecting seat is connected to the lower end surface of the workbench through bolts, a driving assembly is arranged between the two groups of lifting assemblies, linkage assemblies are symmetrically arranged on the left side and the right side of each driving assembly, and one end of each linkage assembly is connected to the driving end of each lifting assembly; the lifting assembly and the driving assembly are designed to generate multiple boosting effects through the two inclined wedge structures, so that synchronous lifting effects are realized, and compared with the traditional simultaneous driving of a plurality of oil cylinders, the problem that the oil cylinders are asynchronous is avoided.

Description

Double-inclined-wedge lifting mechanism

Technical Field

The utility model relates to the technical field of lifting mechanisms, in particular to a double-inclined-wedge lifting mechanism.

Background

Along with the progress of science and technology, the use of an automatic production line is more and more, and the domestic engineering machinery field is rapidly developed in recent years, so that the automatic production line is more and more widely applied in the engineering machinery field, however, as the overall dimension and weight of engineering machinery parts are larger, higher requirements are put on a lifting mechanism during loading and unloading, and a plurality of cylinders are usually selected to drive a workbench to lift.

Chinese patent application No.: CN202220521685.4, a multi-cylinder synchronous lifting mechanism, the on-line screen storage device comprises a base, a lifting platform, multiunit hydro-cylinder and hydraulic synchronous motor, the multiunit adjustable support lower margin is installed to the bottom of base, the cylinder body of multiunit hydro-cylinder is upright fixed in the upper portion of base respectively, be fixed with the connecting block on the piston rod of every hydro-cylinder, the top surface of every connecting block is the arc surface, the lifting platform supports by the polylith connecting block, be equipped with lift guiding mechanism between lifting platform and the base, hydraulic synchronous motor installs the side at the base, hydraulic synchronous motor communicates with each other with outside hydraulic system, hydraulic synchronous motor includes a plurality of oil-out of equivalent reposition of redundant personnel, every oil-out is connected and is furnished with parallelly connected pressure limiting overflow valve and oil supplementing check valve, every oil-out passes through the pipeline and links to each other with the rodless chamber of a set of hydro-cylinder. The lifting mechanism can ensure that the lifting platform is stably lifted and does not incline in the lifting process, effectively avoid the phenomenon of pressure holding or suction of the oil cylinder, and solve the problems of inclination, clamping, damage and the like when the lifting platform is in unbalanced load; however, in the actual use process, once one of the plurality of oil cylinders fails, the plurality of oil cylinders cannot realize synchronous operation, and particularly the service time of the oil cylinders is prolonged, the occurrence frequency of the problem is higher, and the utility model provides a new solution to the problem.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a double-inclined-wedge lifting mechanism so as to solve the technical problems in the background art.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a two slide wedge elevating system, includes bottom plate and workstation, the workstation lift is connected the up end of bottom plate, up end four corners department of bottom plate is provided with direction subassembly along vertical direction respectively, and direction subassembly's top work end bolted connection is in the lower terminal surface of workstation, and the up end bilateral symmetry of bottom plate is provided with lifting unit, and lifting unit's vertical work end can be dismantled and be connected with the support arm, and the up end both ends of support arm can be dismantled respectively and be connected with first connecting seat, and the top bolted connection of first connecting seat is at the lower terminal surface of workstation, two sets of be provided with drive assembly between the lifting unit, drive assembly's left and right sides symmetry is provided with the interlock subassembly, and the one end of interlock subassembly is connected to lifting unit's drive end.

Preferably, the lifting assembly comprises a first guide seat, a first cover plate, a first pushing shaft and a first inclined wedge, wherein the first guide seat is fixed on the bottom plate, a first through hole is formed in the first guide seat along the horizontal direction, a lifting hole is formed in the upper end face of the first guide seat, the lifting hole extends downwards to be communicated with the first through hole, the first cover plate is connected to the outer side of the first guide seat through bolts, a first limiting hole is formed in the position, corresponding to the first through hole, of the first cover plate, a first T-shaped inclined groove is formed in one end of the first pushing shaft, one end of the first pushing shaft is slidably connected in the first through hole, the first inclined wedge is slidably connected in the lifting hole, a first connecting rod is rotatably connected to the top of the first inclined wedge, and the top end of the first connecting rod is inserted into the middle position of the support arm.

Further, the drive assembly includes second guide holder, sharp jar, adapter, second push away axle, second apron, the second guide holder is fixed on the bottom plate, the central point of second guide holder puts and has seted up the second through-hole along the horizontal direction, sharp jar is along second through-hole direction bolted connection in one side of second guide holder, the one end of adapter is connected to the work end of sharp jar, and the other end of adapter is connected to the one end of second push away the axle, and the both sides of second push away the axle are provided with second T type inclined plane groove, and second push away axle sliding connection in the second through-hole, and the second guide holder corresponds one side of elevating module has seted up the interlock hole, the one end and the second through-hole intercommunication of interlock hole, the one end sliding connection of interlock subassembly is in the interlock hole, and the one end sliding connection of interlock subassembly is in second T type inclined plane groove, and the other end of interlock subassembly is connected the other end of first push away the axle, second apron bolted connection is in the one end of second guide holder, and the second apron has seted up the second spacing hole corresponding to the position of second through-hole.

Further, the linkage assembly comprises a second inclined wedge and a pin shaft, the inclined surface of the second inclined wedge is slidably connected in the second T-shaped inclined surface groove, the second inclined wedge is slidably connected in the linkage hole, the other end of the second inclined wedge is inserted into the other end of the first pushing shaft, and the other end of the second inclined wedge is connected with the first pushing shaft through the pin shaft.

Preferably, the guide assembly comprises a linear bearing, a fixed seat and a guide shaft, wherein the bottom of the fixed seat is connected with the upper end face of the bottom plate through bolts, the bottom of the linear bearing is fixed on the upper end face of the fixed seat, the bottom of the guide shaft is connected to the linear bearing in a sliding manner, and the top end of the guide shaft is connected with the lower end face of the workbench through bolts.

In any of the above schemes, preferably, the mounting holes are respectively formed at two ends of the upper end face of the support arm, the support head is mounted in the mounting holes, the cross section of the support head is of a T shape, the top end face of the support head is of a spherical surface, the lower end face of the first connecting seat is provided with a T-shaped groove, and the support head is inserted into the T-shaped groove.

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

according to the utility model, the second pushing shaft is driven by the linear cylinder through the design of the lifting assembly and the driving assembly, so that the second pushing shaft drives the first wedge to move in the vertical direction through the second wedge, the workbench is driven to lift through the first connecting rod, the support arm and the first connecting seat, a multiple boosting effect is generated through the two wedge structures, and therefore one linear cylinder drives the two wedge mechanisms to realize lifting movement, synchronous lifting effect is realized, and compared with the traditional simultaneous driving of a plurality of cylinders, the problem that the cylinders are not synchronous is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a dual cam lifting mechanism of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 without the table mounted;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a cross-sectional view of FIG. 3C-C;

FIG. 6 is a section view of D-D of FIG. 3;

FIG. 7 is a side view of FIG. 1;

fig. 8 is a sectional view of B-B of fig. 7.

The reference numerals in the figures illustrate:

1. a bottom plate; 2. a work table; 3. a guide assembly; 4. a lifting assembly; 5. a support arm; 6. a first connection base; 7. a drive assembly; 8. a linkage assembly; 401. the first guide seat; 402. a first cover plate; 403. a first push shaft; 404. a first wedge; 405. a first through hole; 406. lifting holes; 407. a first limiting hole; 408. a first T-shaped beveled slot; 409. a first link; 701. the second guide seat; 702. a linear cylinder; 703. an adapter; 704. a second pushing shaft; 705. a second cover plate; 706. a second through hole; 707. a second T-shaped beveled slot; 708. a linkage hole; 709. a second limiting hole; 801. a second wedge; 802. a pin shaft; 301. a linear bearing; 302. a fixing seat; 303. a guide shaft; 501. a mounting hole; 502. a support head; 601. t-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1 to 8, a dual wedge lifting mechanism comprises a bottom plate 1 and a workbench 2, wherein the workbench is connected to the upper end face of the bottom plate in a lifting manner, guide assemblies 3 are respectively arranged at four corners of the upper end face of the bottom plate 1 along the vertical direction, top working ends of the guide assemblies 3 are connected to the lower end face of the workbench 2 through bolts, lifting assemblies 4 are symmetrically arranged on the upper end face of the bottom plate 1 left and right, vertical working ends of the lifting assemblies 4 are detachably connected with support arms 5, two ends of the upper end face of the support arms 5 are detachably connected with first connecting seats 6 respectively, the tops of the first connecting seats 6 are connected to the lower end face of the workbench 2 through bolts, driving assemblies 7 are arranged between the two groups of lifting assemblies 4, linkage assemblies 8 are symmetrically arranged on the left and right sides of the driving assemblies 7, and one ends of the linkage assemblies 8 are connected to driving ends of the lifting assemblies 4.

In this embodiment, the lifting assembly 4 includes a first guide holder 401, a first cover plate 402, a first pushing shaft 403, and a first wedge 404, where the first guide holder 401 is fixed on the bottom plate 1, the first guide holder 401 is provided with a first through hole 405 along a horizontal direction, an upper end surface of the first guide holder 401 is provided with a lifting hole 406, the lifting hole 406 extends downward to be communicated with the first through hole 405, the first cover plate 402 is bolted to the outer side of the first guide holder 401, and the position of the first cover plate 402 corresponding to the first through hole 405 is provided with a first limiting hole 407, one end of the first pushing shaft 403 is provided with a first T-shaped inclined groove 408, one end of the first pushing shaft 403 is slidably connected in the first through hole 405, the first wedge 404 is slidably connected in the lifting hole 406, the bottom of the first wedge 404 is slidably connected in the first T-shaped inclined groove 408, the top of the first wedge 404 is rotatably connected with a first link 409, and the top of the first link 409 is plugged into the middle position of the 5.

In this embodiment, the driving assembly 7 includes a second guide holder 701, a linear cylinder 702, an adapter 703, a second pushing shaft 704, and a second cover plate 705, where the second guide holder 701 is fixed on the bottom plate 1, a second through hole 706 is formed in a central position of the second guide holder 701 along a horizontal direction, the linear cylinder 702 is bolted to one side of the second guide holder 701 along the direction of the second through hole 706, one end of the adapter 703 is connected to a working end of the linear cylinder 702, the other end of the adapter 703 is connected to one end of the second pushing shaft 704, two sides of the second pushing shaft 704 are provided with second T-shaped inclined grooves 707, the second pushing shaft 704 is slidably connected in the second through hole 706, one side of the second guide holder 701 corresponding to the lifting assembly 4 is provided with a linkage hole 708, one end of the linkage assembly 708 is slidably connected in the linkage hole 708, one end of the linkage assembly 8 is slidably connected in the second T-shaped inclined groove 707, the other end of the linkage assembly 8 is connected to the other end of the first pushing shaft 403, the second cover plate 705 is bolted to the other end of the second guide holder 701, and the second cover plate 705 is corresponding to the second through hole 706 is provided with a limit position of the second through hole 706.

In this embodiment, the linkage assembly 8 includes a second wedge 801 and a pin 802, the inclined surface of the second wedge 801 is slidably connected in the second T-shaped inclined groove 707, the second wedge 801 is slidably connected in the linkage hole 708, the other end of the second wedge 801 is inserted into the other end of the first push shaft 403, and the other end of the second wedge 801 is connected to the first push shaft 403 through the pin 802.

In this embodiment, the guide assembly 3 includes a linear bearing 301, a fixed seat 302, and a guide shaft 303, the bottom of the fixed seat 302 is bolted to the upper end surface of the base plate 1, the bottom of the linear bearing 301 is fixed to the upper end surface of the fixed seat 302, the bottom of the guide shaft 303 is slidingly inserted onto the linear bearing 301, and the top end of the guide shaft 303 is bolted to the lower end surface of the workbench 2.

In this embodiment, mounting holes 501 are respectively formed at two ends of an upper end surface of the support arm 5, a supporting head 502 is mounted in the mounting holes 501, a cross section of the supporting head 502 is T-shaped, a top end surface of the supporting head 502 is a spherical surface, a T-shaped groove 601 is formed in a lower end surface of the first connecting seat 6, and the supporting head 502 is inserted into the T-shaped groove 601.

The working process of the utility model is as follows:

the operator can install the bottom plate 1 in this mechanism to the position of use, then connect the outside controller with the straight line jar 702 in the drive assembly 7, then put the part that waits to promote on workstation 2, control straight line jar 702 flexible, drive the second through-hole 709 with adapter 703 and slide along second push shaft 704, utilize second T type inclined plane groove 707 to drive second slide wedge 801 along the interlock hole and slide, second slide wedge 801 drives first push shaft 403 along first through-hole 405, first push shaft 403 utilizes first T type inclined plane groove 408 to drive first slide wedge 404 along vertical lift hole and remove, first slide wedge 404 drives whole workstation 2 through first connecting seat 6 and goes up and down, guide shaft 302 is removed under the spacing of linear bearing 301 in this process.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a two slide wedge elevating system, includes bottom plate (1) and workstation (2), the workstation lift is connected the up end of bottom plate, its characterized in that: the utility model discloses a lifting device, including bottom plate (1), lifting assembly (8), support arm (5), first connecting seat (6), drive assembly (7) are provided with to the up end four corners department of bottom plate (1) along vertical direction respectively, the top work end bolted connection of guide assembly (3) is in the lower terminal surface of workstation (2), the up end bilateral symmetry of bottom plate (1) is provided with lifting assembly (4), the vertical work end of lifting assembly (4) can be dismantled and is connected with support arm (5), the up end both ends of support arm (5) can be dismantled respectively and be connected with first connecting seat (6), the top bolted connection of first connecting seat (6) is at the lower terminal surface of workstation (2), two sets of be provided with drive assembly (7) between lifting assembly (4), the left and right sides symmetry of drive assembly (7) is provided with interlock subassembly (8), the one end of interlock subassembly (8) is connected to the drive end of lifting assembly (4).

2. The dual cam lifting mechanism of claim 1, wherein: lifting component (4) are including first guide holder (401), first apron (402), first push away axle (403), first slide wedge (404), first guide holder (401) are fixed on bottom plate (1), first through-hole (405) have been seted up along the horizontal direction to first guide holder (401), lifting hole (406) have been seted up to the up end of first guide holder (401), lifting hole (406) downwardly extending and first through-hole (405) intercommunication, first apron (402) bolted connection is in the outside of first guide holder (401), and first apron (402) correspond the position of first through-hole (405) and have seted up first spacing hole (407), the one end of first push away axle (403) is provided with first T type inclined plane groove (408), the one end sliding connection of first push axle (403) is in first through-hole (405), and the bottom sliding connection of first slide wedge (404) is in first T type inclined plane groove (405), the top of first slide wedge (404) is connected to first support arm (409) in first T type inclined plane groove (408), the top of first slide wedge (404) is connected to intermediate position (409).

3. A dual cam lifting mechanism according to claim 2, wherein: the driving assembly (7) comprises a second guide seat (701), a linear cylinder (702), an adapter (703), a second pushing shaft (704) and a second cover plate (705), wherein the second guide seat (701) is fixed on the bottom plate (1), a second through hole (706) is formed in the center position of the second guide seat (701) along the horizontal direction, the linear cylinder (702) is connected to one side of the second guide seat (701) along the direction of the second through hole (706) through bolts, one end of the adapter (703) is connected to the working end of the linear cylinder (702), the other end of the adapter (703) is connected to one end of the second pushing shaft (704), two sides of the second pushing shaft (704) are provided with second T-shaped inclined surface grooves (707), the second pushing shaft (704) is connected in the second through holes (706) in a sliding manner, one side of the second guide seat (701) corresponding to the lifting assembly (4), one end of the linkage hole (708) is communicated with the second through holes (706), one end of the linkage assembly (8) is connected to one end of the second guide seat (8) in the inclined surface (8) through bolts (707), a second limiting hole (709) is formed in the position, corresponding to the second through hole (706), of the second cover plate (705).

4. A dual cam lifting mechanism according to claim 3, wherein: the linkage assembly (8) comprises a second inclined wedge (801) and a pin shaft (802), wherein the inclined surface of the second inclined wedge (801) is slidably connected in the second T-shaped inclined surface groove (707), the second inclined wedge (801) is slidably connected in the linkage hole (708), the other end of the second inclined wedge (801) is inserted into the other end of the first pushing shaft (403), and the other end of the second inclined wedge (801) is connected with the first pushing shaft (403) through the pin shaft (802).

5. The dual cam lifting mechanism of claim 1, wherein: the guide assembly (3) comprises a linear bearing (301), a fixed seat (302) and a guide shaft (303), wherein the bottom of the fixed seat (302) is connected with the upper end face of the bottom plate (1) through bolts, the bottom of the linear bearing (301) is fixed on the upper end face of the fixed seat (302), the bottom of the guide shaft (303) is slidably inserted onto the linear bearing (301), and the top end of the guide shaft (303) is connected with the lower end face of the workbench (2) through bolts.

6. The dual cam lifting mechanism of claim 1, wherein: mounting holes (501) are respectively formed in two ends of the upper end face of the support arm (5), a supporting head (502) is mounted in each mounting hole (501), the cross section of each supporting head (502) is of a T shape, the top end face of each supporting head (502) is of a spherical surface, a T-shaped groove (601) is formed in the lower end face of the first connecting seat (6), and each supporting head (502) is inserted into each T-shaped groove (601).