CN111809847A

CN111809847A - Assembled crane for building

Info

Publication number: CN111809847A
Application number: CN202010666246.8A
Authority: CN
Inventors: 蒋敏
Original assignee: Taizhou Vocational and Technical College
Current assignee: Taizhou Vocational and Technical College
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-10-23

Abstract

The invention discloses an assembly type lifting frame for a building, which comprises a railing, a sliding cylinder, a bottom cavity and a servo motor, wherein sliding rods penetrate through and are fixed on two sides of the bottom cavity, the servo motor is arranged in the middle of the bottom end in the bottom cavity, an output shaft of the servo motor is connected with a lead screw, and a heat dissipation structure is arranged at the joint of the servo motor and the lead screw. The servo motor is cooled by the cooling structure, the energy-saving effect is achieved, the driving gear is arranged at the joint of the servo motor and the lead screw, the driven gears are arranged on two sides below the driving gear, the output shafts of the driven gears penetrate through the vertical plate on one side, the cooling fan is fixed at the same time, when the lead screw is driven to rotate by the servo motor, the driving gear drives the driven gears with the diameter smaller than that of the driving gear to rotate rapidly, the cooling fan is driven to rotate, air flows back through the air duct on one side and reaches the servo motor to blow, and therefore effective cooling is achieved, and meanwhile energy is saved.

Description

Assembled crane for building

Technical Field

The invention relates to the technical field of buildings, in particular to an assembly type lifting frame for a building.

Background

Building trade crane is the most frequent building engineering subassembly of use in the building trade, and traditional crane for assembly type building generally all can adopt the screw rod to go up and down for avoiding lift platform to appear the tenesmus suddenly, and this kind of mode can effectively reduce the potential safety hazard, also can set up the slide bar in the screw rod both sides simultaneously and prevent the excursion function.

Although this kind of crane now satisfies daily demand basically when using, still can have not few defects yet, generally adopt the motor to go up and down like the lift process, but the long-time start-up of motor can give off a large amount of heats, has used for a long time and can seriously influence motor life.

Disclosure of Invention

The invention aims to provide an assembly type lifting frame for a building, which aims to solve the problem that a motor is inconvenient to dissipate heat in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: crane for assembly type structure, including railing, slide cartridge, bottom chamber and servo motor, the bottom chamber both sides are run through and are fixed with the slide bar, servo motor has been placed to the intermediate position department of the inside bottom of bottom chamber, servo motor's output shaft has the lead screw, servo motor and lead screw's junction is provided with heat radiation structure, heat radiation structure includes dryer, driving gear, riser, driven gear and radiator fan, the bottom chamber is run through on the top of lead screw, the top cover of bottom chamber is equipped with the driving block, the elevating platform is installed on the top of driving block, the both sides of elevating platform bottom are fixed with the slide cartridge, the slide cartridge cover is established on the slide bar of both sides, the top of elevating platform is provided with the railing.

Preferably, the bottom of bottom chamber is provided with fixed knot and constructs, fixed knot constructs including base, fixed plate and fixing bolt, the bottom mounting of bottom chamber has the base.

Preferably, a fixing plate penetrates through the base, the length of the fixing plate is longer than that of the base, and fixing bolts penetrate through and are fixed on two sides of the fixing plate.

Preferably, the part of the servo motor connected with the screw rod is sleeved with a driving gear, and driven gears are arranged on two sides of the lower portion of the driving gear.

Preferably, the driven gear is meshed with the driving gear, and the diameter of the driven gear is smaller than that of the driving gear.

Preferably, the riser is fixed on the top of the inside both sides of bottom chamber, driven gear's output shaft runs through the riser and is fixed with radiator fan, radiator fan's one side is provided with the dryer.

Preferably, one side of the air duct is welded and fixed with a sliding rod penetrating into the bottom cavity, and the air duct is designed into a U-shaped structure.

Preferably, the part that the top of lead screw is close to the die cavity is provided with buffer structure, buffer structure includes the buffer board, goes up fixing base, buffer spring and lower fixing base, the buffer board has been run through to the bottom of lead screw, the both sides of buffer board bottom are fixed with the fixing base, the bottom mounting of going up the fixing base has buffer spring.

Preferably, the bottom end of the buffer spring is fixed with a lower fixed seat, the bottom end of the lower fixed seat is fixedly connected with the bottom cavity, and a telescopic structure is designed between the buffer spring and the buffer plate.

Compared with the prior art, the invention has the beneficial effects that: the assembly type lifting frame for the building not only realizes energy-saving heat dissipation of the motor and buffering of the lifting platform, but also realizes more stability of the whole device;

(1) the heat dissipation structure is arranged to realize heat dissipation of the servo motor, and meanwhile, the energy-saving effect is achieved, the driving gear is arranged at the joint of the servo motor and the lead screw, the driven gears are arranged on two sides below the driving gear, the output shaft of the driven gear penetrates through the vertical plate on one side, and meanwhile, the heat dissipation fan is fixed, when the lead screw is driven by the servo motor to rotate, the driving gear drives the driven gear with the diameter smaller than that of the driving gear to rapidly rotate so as to drive the heat dissipation fan to rotate, and air flows through the air duct on one side to reach the servo motor to be blown, so;

(2) the buffer structure is arranged to buffer the lifting platform when the lifting platform falls down, the buffer plate is arranged at the top of the bottom cavity, buffer springs are fixed on two sides of the bottom end of the buffer plate and are respectively fixed by the upper fixing seat and the lower fixing seat, and the buffer plate and the buffer springs can be used for effective buffering when the lifting platform falls down to reduce vibration;

(3) realize the improvement to the overall device stability through being provided with fixed knot structure, it is stable in order to improve the die cavity bottom in addition, at die cavity bottom fixed baseplate, a plurality of fixed plates are run through to the base inside, and fixed plate both sides are run through there is fixing bolt, and fixed plate length is longer than base length, and effective improve equipment is stable.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a side view of the elevating platform of the present invention;

FIG. 3 is an enlarged front view of a portion of a cross-section of the fixing structure of the present invention;

FIG. 4 is an enlarged front sectional view of the driving block according to the present invention;

FIG. 5 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;

fig. 6 is a schematic front view of a partially enlarged buffer structure according to the present invention.

In the figure: 1. a railing; 2. a lifting platform; 3. a slide cylinder; 4. a slide bar; 5. a buffer structure; 501. a buffer plate; 502. an upper fixed seat; 503. a buffer spring; 504. a lower fixed seat; 6. a fixed structure; 601. a base; 602. a fixing plate; 603. fixing the bolt; 7. a bottom cavity; 8. a servo motor; 9. a heat dissipation structure; 901. an air duct; 902. a driving gear; 903. a vertical plate; 904. a driven gear; 905. a heat radiation fan; 10. a screw rod; 11. the block is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: the assembly type lifting frame for the building comprises a railing 1, sliding cylinders 3, a bottom cavity 7 and a servo motor 8, sliding rods 4 are fixedly arranged on two sides of the bottom cavity 7 in a penetrating mode, the servo motor 8 is placed in the middle position of the bottom end in the bottom cavity 7, an output shaft of the servo motor 8 is connected with a lead screw 10, a heat dissipation structure 9 is arranged at the joint of the servo motor 8 and the lead screw 10, the heat dissipation structure 9 comprises an air cylinder 901, a driving gear 902, a vertical plate 903, a driven gear 904 and a heat dissipation fan 905, the top end of the lead screw 10 penetrates through the bottom cavity 7, a driving block 11 is sleeved at the top of the bottom cavity 7, a lifting table 2 is installed at the top end of the driving block 11, the sliding cylinders 3 are fixedly arranged on two sides of the bottom end of the lifting table 2, the sliding;

the bottom end of the bottom cavity 7 is provided with a fixing structure 6, the fixing structure 6 comprises a base 601, a fixing plate 602 and a fixing bolt 603, the base 601 is fixed at the bottom end of the bottom cavity 7, the fixing plate 602 penetrates through the base 601, the length of the fixing plate 602 is longer than that of the base 601, and the fixing bolt 603 penetrates through and is fixed on two sides of the fixing plate 602;

specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, in addition to improving the bottom stability of the bottom cavity 7, a base 601 is fixed at the bottom of the bottom cavity 7, a plurality of fixing plates 602 penetrate through the base 601, fixing bolts 603 penetrate through two sides of the fixing plates 602, and the length of the fixing plates 602 is longer than that of the base 601, so that the stability of the equipment is effectively improved;

a driving gear 902 is sleeved on a part, connected with a screw rod 10, of a servo motor 8, driven gears 904 are arranged on two sides below the driving gear 902, the driven gears 904 and the driving gear 902 are meshed, the diameter of the driven gears 904 is smaller than that of the driving gear 902, vertical plates 903 are fixed to the top ends of two sides in a bottom cavity 7, an output shaft of each driven gear 904 penetrates through the corresponding vertical plate 903 and is fixed with a cooling fan 905, an air duct 901 is arranged on one side of each cooling fan 905, one side of the air duct 901 is welded and fixed with a sliding rod 4 penetrating into the bottom cavity 7, and the air duct 901 is designed to be of;

specifically, as shown in fig. 1 and 5, when the mechanism is used, firstly, a driving gear 902 is arranged at the joint of a servo motor 8 and a screw rod 10, driven gears 904 are arranged on two sides below the driving gear 902, an output shaft of each driven gear 904 penetrates through a vertical plate 903 on one side, and a cooling fan 905 is fixed at the same time, when the servo motor 8 drives the screw rod 10 to rotate, the driving gear 902 drives the driven gear 904 with the diameter smaller than that of the driving gear 902 to rotate rapidly, so as to drive the cooling fan 905 to rotate, and air flows back through an air duct 901 on one side to reach the servo motor 8 to blow, so that effective cooling is performed, and meanwhile, energy is;

a buffer structure 5 is arranged at the part, close to the bottom cavity 7, of the top end of the screw rod 10, the buffer structure 5 comprises a buffer plate 501, an upper fixed seat 502, a buffer spring 503 and a lower fixed seat 504, the buffer plate 501 penetrates through the bottom end of the screw rod 10, the upper fixed seats 502 are fixed on two sides of the bottom end of the buffer plate 501, the buffer spring 503 is fixed at the bottom end of the upper fixed seat 502, the lower fixed seat 504 is fixed at the bottom end of the buffer spring 503, the bottom end of the lower fixed seat 504 is fixedly connected with the bottom cavity 7, and a telescopic structure is designed between the buffer spring 503 and the buffer plate 501;

specifically, as shown in fig. 1 and 6, when the mechanism is used, firstly, a buffer plate 501 is disposed at the top of the bottom cavity 7, buffer springs 503 are fixed to two sides of the bottom end of the buffer plate 501, and are respectively fixed by an upper fixing seat 502 and a lower fixing seat 504, and when the lifting platform 2 descends, the buffer plate 501 and the buffer springs 503 can be used for effective buffering, so as to reduce vibration.

The working principle is as follows: external power supply during use, at first the people need get into elevating platform 2, servo motor 8 in the back start bottom chamber 7, servo motor 8 drives the lead screw 10 of connecting and rotates, thereby drive the drive block 11 lift that the cover was established on the lead screw 10, because drive block 11 top and elevating platform 2 are fixed, lead screw 10 runs through elevating platform 2 parts, can go up and down to elevating

platform

2, 2 both sides of elevating platform set up slide bar 4 simultaneously, slide cartridge 3 of 2 bottom both sides of elevating platform can go up and down on slide bar 4, stability is improved, in addition, for improving bottom chamber 7 bottom stability, at bottom chamber 7 bottom fixed base 601, inside a plurality of fixed plates 602 that run through of base 601, fixed plate 602 both sides have run through fixing bolt 603, and fixed plate 602 length is good at base 601 length, effectively improve equipment stability.

Afterwards, a buffer plate 501 is arranged at the top of the bottom cavity 7, buffer springs 503 are fixed on two sides of the bottom end of the buffer plate 501 and are respectively fixed by an upper fixing seat 502 and a lower fixing seat 504, and when the lifting platform 2 descends, the buffer plate 501 and the buffer springs 503 can be used for effective buffering to reduce vibration.

Finally, set up driving gear 902 in servo motor 8 and lead screw 10 junction, driving gear 902 below both sides set up driven gear 904, driven gear 904's output shaft runs through a side riser 903, be fixed with radiator fan 905 simultaneously, when servo motor 8 drives lead screw 10 and rotates, driving gear 902 drives the driven gear 904 fast rotation that the diameter is less than driving gear 902, and then drive radiator fan 905 and rotate, wind is bloied on arriving servo motor 8 through the backward flow of one side dryer 901, thereby effectively dispel the heat, simultaneously more energy-conservation.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Assembly type crane for building includes railing (1), slide cartridge (3), bottom chamber (7) and servo motor (8), its characterized in that: a sliding rod (4) penetrates through and is fixed on two sides of the bottom cavity (7), a servo motor (8) is arranged in the middle of the bottom end in the bottom cavity (7), an output shaft of the servo motor (8) is connected with a screw rod (10), a heat dissipation structure (9) is arranged at the joint of the servo motor (8) and the screw rod (10), the heat dissipation structure (9) comprises an air duct (901), a driving gear (902), a vertical plate (903), a driven gear (904) and a heat dissipation fan (905), the top end of the screw rod (10) penetrates through the bottom cavity (7), the top of the bottom cavity (7) is sleeved with a driving block (11), the top end of the driving block (11) is provided with a lifting platform (2), two sides of the bottom end of the lifting platform (2) are fixed with sliding cylinders (3), the sliding cylinder (3) is sleeved on the sliding rods (4) on the two sides, and the top end of the lifting platform (2) is provided with a railing (1).

2. The assembly type construction crane according to claim 1, wherein: the bottom of bottom chamber (7) is provided with fixed knot constructs (6), fixed knot constructs (6) including base (601), fixed plate (602) and fixing bolt (603), the bottom mounting of bottom chamber (7) has base (601).

3. The assembly type construction crane according to claim 2, wherein: a fixing plate (602) penetrates through the base (601), the length of the fixing plate (602) is longer than that of the base (601), and fixing bolts (603) penetrate through and are fixed to two sides of the fixing plate (602).

4. The assembly type construction crane according to claim 1, wherein: the servo motor (8) is provided with a driving gear (902) in a sleeved mode with a portion connected with the screw rod (10), and driven gears (904) are arranged on two sides below the driving gear (902).

5. A crane for assembly buildings according to claim 3, wherein: the driven gear (904) is meshed with the driving gear (902), and the diameter of the driven gear (904) is smaller than that of the driving gear (902).

6. The assembly type construction crane according to claim 4, wherein: the top at the inside both sides of bottom chamber (7) is fixed in riser (903), the output shaft of driven gear (904) runs through riser (903) and is fixed with radiator fan (905), one side of radiator fan (905) is provided with dryer (901).

7. The assembly type construction crane according to claim 5, wherein: one side of the air duct (901) is welded and fixed with a sliding rod (4) penetrating into the bottom cavity (7), and the air duct (901) is designed into a U-shaped structure.

8. The assembly type construction crane according to claim 1, wherein: the top of lead screw (10) is close to the part of bottom chamber (7) and is provided with buffer structure (5), buffer structure (5) are including buffer board (501), go up fixing base (502), buffer spring (503) and lower fixing base (504), buffer board (501) have been run through to the bottom of lead screw (10), the both sides of buffer board (501) bottom are fixed with fixing base (502), the bottom mounting of going up fixing base (502) has buffer spring (503).

9. The assembly type construction crane according to claim 8, wherein: the bottom end of the buffer spring (503) is fixed with a lower fixed seat (504), the bottom end of the lower fixed seat (504) is fixedly connected with the bottom cavity (7), and a telescopic structure is designed between the buffer spring (503) and the buffer plate (501).