CN210906155U - Four-upright-post transmission device convenient to disassemble - Google Patents

Abstract

The utility model relates to a four-column transmission device convenient to dismantle, establish main epaxial mechanical seal including four-column support and setting on four-column support and from last motor, speed reducer, main shaft, the cover that connects gradually extremely down, still include hoisting device, hoisting device includes the link ear, promotes turning arm and actuating cylinder, the link ear is equipped with two and the symmetry sets up at the mechanical seal top, and actuating cylinder fixes in four-column support one side, promote the turning arm and include integrated into one piece's turning handle and participate in, the turning handle setting is equipped with the spout in the piston rod bottom of actuating cylinder and turning handle along its length direction, participates in the setting and is close to the one end of link ear at the turning handle, thereby participates in and corresponds the setting with the link ear and is used for hook link ear to promote mechanical seal. The ring lug and the lifting connecting lever which are arranged on the mechanical seal are used in a matched mode, so that the four-column lifting device is quite convenient to disassemble during maintenance.

Description

Four-upright-post transmission device convenient to disassemble

Technical Field

The utility model relates to a transmission technical field especially relates to a four-column transmission device convenient to dismantle.

Background

Mechanical seals are arranged on four-upright-column transmission devices which are convenient to disassemble and are arranged in the transmission device in the prior art, and the reaction kettle is arranged at the bottom of a main shaft, so that the mechanical seal effect is very critical in order to prevent electric leakage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a convenient to detach's four-column transmission of convenient to detach.

The utility model discloses a realize through following technical scheme: a four-upright-post transmission device convenient to disassemble, which comprises a four-upright-post bracket, a motor, a speed reducer, a main shaft, a mechanical seal and a lifting device, wherein the motor, the speed reducer, the main shaft and the mechanical seal are arranged on the four-upright-post bracket and are sequentially connected from top to bottom, the lifting device comprises two ring lugs, two lifting connecting levers and a driving hydraulic cylinder, the two ring lugs are symmetrically arranged at the top of the mechanical seal, the driving hydraulic cylinder is fixed at one side of the four-upright-post bracket, the lifting crank arm comprises a crank handle and a pin which are integrally formed, the crank handle is arranged at the bottom of a piston rod of the driving hydraulic cylinder and is provided with a sliding chute along the length direction, the two pins are symmetrically arranged at one end of the crank handle close to the ring lug, the pins are arranged corresponding to the ring lug and are used for hooking the ring lug so as to improve the mechanical seal, and a piston rod of the driving hydraulic cylinder is connected with the crank handle through the sliding chute and is used for driving the lifting crank arm to lift up and down.

For the convenience of hooking, the middle part of the ring lug is provided with a perforation for inserting the plug pin.

In order to facilitate the lifting of the crutch, the piston rod is inserted in the chute and is in clearance fit with the chute, and the bottom of the piston rod is sleeved with a locking ring for locking the crank.

Further facilitating hooking, and a yielding groove is arranged between the two pins.

The utility model has the advantages that: the ring lug and the lifting connecting lever which are arranged on the mechanical seal are used in a matched mode, so that the four-column lifting device is quite convenient to disassemble during maintenance.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the structure of the driving hydraulic cylinder and the lifting crank arm of the present invention;

fig. 3 is a schematic structural view of the lifting crank arm of the present invention;

fig. 4 is a schematic view of the working state of the crank arm of the present invention;

in the figure: 1. a four-upright bracket; 2. an electric motor; 3. a speed reducer; 4. a main shaft; 5. mechanical sealing; 6. a reaction kettle; 71. looping ears; 711. perforating; 72. lifting the crank arm; 721. a crank handle; 722. a pin; 723. a chute; 73. a yielding groove; 8. driving the hydraulic cylinder; 81. and (4) locking the ring.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.

As shown in fig. 1, a four-column transmission device convenient to disassemble includes a four-column support 1, a motor 2, a speed reducer 3, a main shaft 4, a mechanical seal 5 and a lifting device, wherein the motor 2, the speed reducer 3, the main shaft 4 and the mechanical seal 5 are arranged on the four-column support 1 and are sequentially connected from top to bottom.

The lifting device as shown in fig. 1-3 comprises a loop lug 71, a lifting crank arm 72 and a driving hydraulic cylinder 8, wherein the loop lug 71 is provided with two and symmetrically arranged on the top of the mechanical seal 5, the driving hydraulic cylinder 8 is fixed on one side of the four-upright support 1, the lifting crank arm 72 comprises a crank handle 721 and a pin 722 which are integrally formed, the crank handle 721 is arranged at the bottom of a piston rod of the driving hydraulic cylinder 8, the crank handle 721 is provided with a sliding groove 723 along the length direction of the crank handle, the pin 722 is provided with two and symmetrically arranged at one end of the crank handle 721 close to the loop lug 71, the pin 722 is arranged corresponding to the loop lug 71 and is used for hooking the loop lug 71 so as to lift the mechanical seal 5, the piston rod of the driving hydraulic cylinder 8 is connected with the crank handle 721 through the sliding groove 723 and is used for driving the lifting crank arm 72 to move up and down, the middle part of, the piston rod is inserted into the sliding groove 723 and is in clearance fit with the sliding groove 723, a locking ring 81 for locking the crank 721 is sleeved at the bottom of the piston rod, and an abdicating groove 73 is formed between the two pins 722.

As shown in fig. 1-4, the working principle is as follows: when the mechanical seal 5 is disassembled, firstly, the coupler of the main shaft 4 and the output shaft of the speed reducer 3 is disassembled, the main shaft 4 and the output shaft of the speed reducer 3 are loosened, the driving hydraulic cylinder 8 lowers the lifting crank arm 72 to a required height, then the locking ring 81 is loosened, the crank handle 721 is manually pushed and pulled in the direction close to the ring lug 71 of the mechanical seal 5, the pin 722 is inserted in the ring lug 71, then the locking ring 81 is locked, the driving hydraulic cylinder 8 is lifted again, after the main shaft 4 is lifted to be separated from the mechanical seal 5, the locking ring 81 is loosened, the crank handle 721 is manually rotated around the bottom of the piston rod of the driving hydraulic cylinder 8, and therefore the mechanical seal 5 is manually disassembled.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (4)

1. The utility model provides a four stand transmission convenient to dismantle, includes four stand supports (1) and sets up on four stand supports (1) and from last motor (2), speed reducer (3), main shaft (4), the cover that connects gradually extremely down establishes mechanical seal (5) on main shaft (4), its characterized in that: also comprises a lifting device, the lifting device comprises a loop lug (71), a lifting crank arm (72) and a driving hydraulic cylinder (8), the two ring lugs (71) are symmetrically arranged at the top of the mechanical seal (5), the driving hydraulic cylinder (8) is fixed at one side of the four-upright-post bracket (1), the lifting crank arm (72) comprises a crank handle (721) and a pin (722) which are integrally formed, the crank handle (721) is arranged at the bottom of a piston rod of the driving hydraulic cylinder (8), a sliding groove (723) is arranged on the crank handle (721) along the length direction, the two pins (722) are symmetrically arranged at one end of the crank (721) close to the ring lug (71), the pins (722) are arranged corresponding to the ring lug (71) and are used for hooking the ring lug (71) so as to improve the mechanical seal (5), and a piston rod of the driving hydraulic cylinder (8) is connected with the crank handle (721) through a sliding chute (723) and is used for driving the lifting crank arm (72) to lift up and down.

2. The easy to disassemble four post transmission of claim 1, wherein: the middle part of the ring lug (71) is provided with a through hole (711) for inserting a pin (722).

3. The easy to disassemble four column transmission of claim 2, wherein: the piston rod penetrates through the sliding groove (723) and is in clearance fit with the sliding groove (723), and a locking ring (81) used for locking the crank handle (721) is sleeved at the bottom of the piston rod.

4. The easy to disassemble four post transmission of claim 1, wherein: the two pins (722) have a relief groove (73) therebetween.

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