CN110723676A

CN110723676A - Spiral elevator

Info

Publication number: CN110723676A
Application number: CN201911161802.XA
Authority: CN
Inventors: 俞永林
Original assignee: Suzhou Jinford Hydraulic Lifting Machinery Co Ltd
Current assignee: Suzhou Jinford Hydraulic Lifting Machinery Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-01-24

Abstract

The invention discloses a spiral elevator which comprises a telescopic guide rod, a gear box, a screw rod and a guide sleeve, wherein the gear box is installed at the top end port of a telescopic cylinder, a second motor is installed on one side of the bottom of the gear box, a first motor is installed at the bottom end of a second gear, the screw rod is installed inside the telescopic cylinder, an anti-falling shaft is installed at one end of the screw rod, a connecting rod is installed at one end of the anti-falling shaft, a third gear is installed at one end of the connecting rod, a stabilizing seat is installed at the bottom end of the telescopic cylinder, a fixing frame is installed at the other end of the screw rod, a flange joint is installed at the top of the fixing frame, the guide sleeve is installed on the screw rod, and fixing lugs are. The top end of the lifting device is provided with the fixed frame, the two sides between the fixed frame and the gear box are provided with the telescopic guide rods, the lifting of the screw rod can be assisted through the telescopic guide rods, partial pressure can be shared, and the safety of the lifting device is improved.

Description

Spiral elevator

Technical Field

The invention relates to the technical field of spiral elevators, in particular to a spiral elevator.

Background

The spiral lifter is composed of parts such as a worm gear, a box body, a bearing, a lead screw and the like. The motor or the manual worm is driven to rotate, the worm drives the worm wheel to rotate in a decelerating way, the inner cavity of the worm wheel is processed into internal threads to drive the lead screw to move up and down, the internal part of the worm wheel and the worm is provided with the worm and the worm, the decelerating function of the lead screw achieves the effect of amplifying thrust, the self-locking performance of the common-tooth lead screw electric push rod and the spiral lifter has the advantages that most of the electric push rod and the spiral lifter have the absolute dynamic load self-locking function due to low comprehensive transmission; the ball screw electric push rod and the spiral elevator are not self-locked.

The spiral elevator in the current stage has many defects, for example, the lifting mode is single, the lifting of the rod body is controlled through a screw rod transmission principle, the lifting on the screw rod cannot be completed, the lifting mode is too single, the pushing requirements for different requirements are met, the universality is poor, the single-rod lifting process is poor in stability, the bearing pressure of the screw rod is large, and the service life is short.

Disclosure of Invention

The invention aims to provide a spiral elevator, which aims to solve the problems that the lifting modes proposed in the background technology are single, the lifting of a rod body is controlled by a lead screw transmission principle, the lifting cannot be finished on a screw rod, the lifting mode is too single, the universality is poor for meeting different pushing requirements, the single-rod lifting process is poor in stability, the bearing pressure of the screw rod is large, the service life is short and the like.

In order to achieve the purpose, the invention provides the following technical scheme: a spiral elevator comprises a telescopic guide rod, a gear box, a screw rod and a guide sleeve, wherein the gear box is installed at the top end port of a telescopic cylinder, a first gear and a fourth gear are installed inside the gear box, the first gear and the fourth gear are in mutual gear transmission connection, a second motor is installed on one side of the bottom of the gear box, a second gear is installed on one side of the telescopic cylinder by means of an upper position, a first motor is installed at the bottom end of the second gear, the screw rod is installed inside the telescopic cylinder, an anti-falling shaft is installed at one end of the screw rod, a connecting rod is installed at one end of the anti-falling shaft, a third gear is installed at one end of the connecting rod, a stable seat is installed at the bottom end of the telescopic cylinder, a fixing frame is installed at the other end of the screw rod, a flange joint is installed at the top of the fixing, and fixing lugs are arranged on two sides of the guide sleeve.

Preferably, the number of the telescopic guide rods is two, and the two telescopic guide rods are arranged between the fixed frame and the gear box.

Preferably, the screw rod is in transmission connection with the guide sleeve screw rod, and the guide sleeve is in sliding connection with the telescopic guide rod through the fixing lug.

Preferably, a threaded sleeve is installed on the inner side of the gear box, a connecting shaft is installed at one end of the threaded sleeve, and the first gear is installed on the outer side of the threaded sleeve.

Preferably, one end of the threaded sleeve is rotatably connected with the port of the telescopic cylinder through a connecting shaft, and the connecting shaft is of a hollow structure.

Preferably, the second gear and the third gear are in transmission connection with each other, and the anti-falling shaft is in rotary connection with the inner hole of the threaded sleeve.

Preferably, the middle part of the fixing frame is provided with a shaft sleeve, and the top end of the screw rod is rotatably connected with the shaft sleeve in the middle part of the fixing frame.

Preferably, the screw rod is in transmission connection with the threaded sleeve screw rod, and the outer side of the threaded sleeve is in rotary connection with the middle of the inner cavity of the gear box.

Compared with the prior art, the invention has the beneficial effects that:

1. one end of a screw rod is arranged in a telescopic cylinder, a gear box is arranged at the top end port of the telescopic cylinder, a threaded sleeve is arranged in the middle of the gear box and is in transmission with a screw rod lead screw, so that the screw rod is controlled to lift in the telescopic cylinder, a guide sleeve is arranged on the screw rod, fixing lugs are arranged on two sides of the guide sleeve and are in sliding connection with a telescopic guide rod, the guide sleeve is in transmission with the screw rod lead screw, and the guide sleeve can be controlled to lift on the screw rod when the screw rod rotates through the guide sleeve and the screw rod lead screw;

2. the top end of the screw rod is provided with the fixed frame, the two sides between the fixed frame and the gear box are provided with the telescopic guide rods, the lifting of the screw rod can be assisted through the telescopic guide rods, partial pressure can be shared, and the safety of the lifter is improved.

Drawings

FIG. 1 is a schematic structural view of a spiral elevator of the present invention;

FIG. 2 is a schematic structural view of the gearbox of the present invention;

FIG. 3 is a top view of the interior of the gearbox of the present invention;

FIG. 4 is a schematic view of the internal gearing of the gearbox of the present invention;

FIG. 5 is a schematic structural view of a second gear and a third gear transmission mechanism according to the present invention;

fig. 6 is a top view of the guide sleeve of the present invention.

In the figure: 1. a flange joint; 2. a fixed mount; 3. a telescopic guide rod; 4. fixing the ear; 5. a gear case; 6. a first gear; 7. a second gear; 8. a first motor; 9. a telescopic cylinder; 10. a third gear; 11. a stabilizing base; 12. a screw; 13. a guide sleeve; 14. a threaded sleeve; 15. a fourth gear; 16. a second motor; 17. the shaft is prevented from falling off; 18. a connecting rod; 19. and (7) connecting the shafts.

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.

Referring to fig. 1-6, an embodiment of the present invention is shown: a spiral elevator comprises a telescopic guide rod 3, a gear box 5, a screw rod 12 and a guide sleeve 13, wherein the gear box 5 is installed at the top end port of a telescopic cylinder 9, the telescopic cylinder 9 is used for accommodating the screw rod 12, a first gear 6 and a fourth gear 15 are installed inside the gear box 5, the first gear 6 and the fourth gear 15 are in gear transmission connection with each other, a second motor 16 is installed at one side of the bottom of the gear box 5, a second gear 7 is installed at the upper position of one side of the telescopic cylinder 9, a first motor 8 is installed at the bottom end of the second gear 7, the screw rod 12 is installed inside the telescopic cylinder 9, an anti-falling shaft 17 is installed at one end of the screw rod 12, when the screw rod 12 is lifted to the limit by the anti-falling shaft 17, the anti-falling shaft 17 and a thread sleeve 14 are enabled to rotate inside, a connecting rod 18 is installed at one end of the anti-falling shaft 17, the connecting rod 18 is used for being connected with, third gear 10 is installed to the one end of connecting rod 18, firm seat 11 is installed to the bottom of telescoping cylinder 9, firm seat 11 makes things convenient for the firm fixed of telescoping cylinder 9, mount 2 is installed to the other end of screw rod 12, flange joint 1 is installed at the top of mount 2, flange joint 1 conveniently makes screw rod 12 be connected with required elevation structure, uide bushing 13 is installed on screw rod 12, fixed ear 4 is installed to the both sides of uide bushing 13, fixed ear 4 conveniently makes the both sides and the 3 sliding connection of flexible guide bar of uide bushing 13.

Further, flexible guide bar 3 is provided with two altogether, and two flexible guide bar 3 install between mount 2 and gear box 5, can carry on spacingly to uide bushing 13 through flexible guide bar 3.

Further, the screw rod 12 is in screw transmission connection with the guide sleeve 13, the guide sleeve 13 is in sliding connection with the telescopic guide rod 3 through the fixing lug 4, and the guide sleeve 13 can be conveniently controlled to stably lift on the screw rod 12 through the design.

Further, a threaded sleeve 14 is mounted on the inner side of the gear box 5, a connecting shaft 19 is mounted at one end of the threaded sleeve 14, and the first gear 6 is mounted on the outer side of the threaded sleeve 14, so that the screw 12 is stretched in the telescopic cylinder 9 through screw transmission of the threaded sleeve 14 and the screw 12.

Furthermore, one end of the threaded sleeve 14 is rotatably connected with the port of the telescopic cylinder 9 through a connecting shaft 19, the connecting shaft 19 is of a hollow structure, and the threaded sleeve 14 is conveniently controlled to rotate through the connecting shaft 19.

Further, second gear 7 and third gear 10 are connected each other in transmission, and anticreep axle 17 is connected with the hole rotation of thread bush 14, through second gear 7 and third gear 10 mutual transmission, conveniently drives screw rod 12 to rotate voluntarily.

Further, the middle part of the fixed frame 2 is provided with a shaft sleeve, and the top end of the screw 12 is rotationally connected with the shaft sleeve at the middle part of the fixed frame 2.

Further, the screw 12 is in screw transmission connection with the threaded sleeve 14, and the outer side of the threaded sleeve 14 is in rotary connection with the middle of the inner cavity of the gear box 5.

The working principle is as follows: when the device is used, the fourth gear 15 is controlled to rotate by the second motor 16, so that the fourth gear 15 is in gear transmission with the first gear 6, the first gear 6 drives the threaded sleeve 14 to rotate on the inner side of the gear box 5, the threaded sleeve 14 is in screw transmission with the screw 12, the screw 12 is stretched in the stretching cylinder 9, the stretching guide rod 3 stretches along with the screw 12 while the screw 12 stretches, when the anti-falling shaft 17 at one end of the screw 12 rises to the inside of the threaded sleeve 14 and the third gear 10 is meshed with the second gear 7, the first motor 8 drives the second gear 7 to rotate, so that the second gear 7 is in mutual transmission with the third gear 10, the screw 12 is driven to rotate, the screw 12 is in screw transmission with the guide sleeve 13, the guide sleeve 13 is lifted on the screw 12, and the fixing lugs 4 at two sides of the guide sleeve 13 are in sliding connection with the stretching guide rod 3 while the guide sleeve 13 is lifted, the flange joint 1 is convenient to be connected with a required lifting device, and is connected with a required mobile device through the fixing lug 4.

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. A spiral elevator, includes flexible guide bar (3), gear box (5), screw rod (12) and uide bushing (13), its characterized in that: the top port department at telescoping cylinder (9) is installed in gear box (5), the internally mounted of gear box (5) has first gear (6) and fourth gear (15), and first gear (6) and fourth gear (15) gear drive each other connect, second motor (16) are installed to bottom one side of gear box (5), one side of telescoping cylinder (9) is leaned on last position department and is installed second gear (7), first motor (8) are installed to the bottom of second gear (7), screw rod (12) are installed in the inside of telescoping cylinder (9), anticreep axle (17) is installed to the one end of screw rod (12), connecting rod (18) are installed to the one end of anticreep axle (17), third gear (10) are installed to the one end of connecting rod (18), firm seat (11) are installed to the bottom of telescoping cylinder (9), the fixed frame (2) is installed to the other end of screw rod (12), flange joint (1) is installed at the top of fixed frame (2), install on screw rod (12) uide bushing (13), fixed ear (4) are installed to the both sides of uide bushing (13).

2. A spiral elevator as claimed in claim 1, wherein: the two telescopic guide rods (3) are arranged, and the two telescopic guide rods (3) are arranged between the fixed frame (2) and the gear box (5).

3. A spiral elevator as claimed in claim 1, wherein: the screw rod (12) is in transmission connection with the guide sleeve (13) through a screw rod, and the guide sleeve (13) is in sliding connection with the telescopic guide rod (3) through the fixing lug (4).

4. A spiral elevator as claimed in claim 1, wherein: a threaded sleeve (14) is installed on the inner side of the gear box (5), a connecting shaft (19) is installed at one end of the threaded sleeve (14), and the first gear (6) is installed on the outer side of the threaded sleeve (14).

5. A spiral elevator as claimed in claim 4, wherein: one end of the thread bushing (14) is rotatably connected with the port of the telescopic cylinder (9) through a connecting shaft (19), and the connecting shaft (19) is of a hollow structure.

6. A spiral elevator as claimed in claim 1, wherein: the second gear (7) is in transmission connection with the third gear (10), and the anti-falling shaft (17) is in rotary connection with an inner hole of the threaded sleeve (14).

7. A spiral elevator as claimed in claim 1, wherein: the middle of the fixing frame (2) is provided with a shaft sleeve, and the top end of the screw rod (12) is rotatably connected with the shaft sleeve in the middle of the fixing frame (2).

8. A spiral elevator as claimed in claim 4, wherein: the screw rod (12) is in transmission connection with the threaded sleeve (14) through a screw rod, and the outer side of the threaded sleeve (14) is rotatably connected with the middle of an inner cavity of the gear box (5).