CN216046434U

CN216046434U - Inclined plane supporting screw rod and engineering machinery with same

Info

Publication number: CN216046434U
Application number: CN202122442817.2U
Authority: CN
Inventors: 唐智华
Original assignee: First Engineering Co Ltd of China Railway No 12 Bureau Group Co Ltd
Current assignee: First Engineering Co Ltd of China Railway No 12 Bureau Group Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-15
Anticipated expiration: 2031-10-11

Abstract

The utility model belongs to the field of engineering machinery, and particularly relates to an inclined plane supporting screw rod and engineering machinery with the same; the inclined plane supporting screw rod comprises a screw rod sleeve, a screw rod body and a supporting base plate, wherein a screw rod top plate is fixed at the top end of the screw rod sleeve and is connected with engineering machinery through the screw rod top plate, the screw rod body is screwed in from the bottom end of the screw rod sleeve, the supporting base plate is connected with the screw rod body through a flat hinge structure, the flat hinge structure comprises a flat hinge head and a flat hinge base matched with the flat hinge head, the flat hinge head is connected to the bottom of the screw rod body and is axially fixed and circumferentially free, and the supporting base plate is fixed to the bottom surface of the flat hinge base. The inclined plane supporting screw rod has the characteristics of stepless adjustment and self-locking of a common supporting screw rod, and the supporting base plate can be adjusted universally and can stably stand on the supporting surface with any inclination. The support base plate can be adjusted at any angle by adopting a horizontal rotating structure and an up-down overturning structure which are connected in two stages, and compared with the traditional spherical hinge connection form, the support is more stable, the abrasion at the joint is less, and the transverse shearing force can be borne.

Description

Inclined plane supporting screw rod and engineering machinery with same

Technical Field

The utility model belongs to the field of engineering machinery, and particularly relates to an inclined plane supporting screw rod and engineering machinery with the same.

Background

Along with the great investment of national highways and railways, various engineering constructions are more and more, and the support screw rod can adjust the support length and is stably stressed, so that the support screw rod is used as a common mechanical component and is widely applied to engineering, such as lining trolley support, crane support and the like.

In order to stabilize the stress of the support screw rod, when the stressed surface is uneven, the ground is processed to be flat in advance, or the ground is flattened by sand cushion or sleeper cushion in the traditional method.

The traditional way of leveling the ground in advance has the following disadvantages:

1. the construction is not simple and convenient, and the ground treatment material is required to be prepared.

2. When the supporting point changes frequently, the ground processing workload is large, and the construction progress is influenced.

3. The loss of the treatment materials such as sleepers or sand is large.

Therefore, in the application of the engineering machinery using the screw rod as the support, it is necessary to research an inclined plane support screw rod which is simple and convenient, can be constructed quickly and has no material loss.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

In order to achieve the purpose, the utility model provides an inclined plane supporting screw rod, which comprises a screw rod sleeve, a screw rod body and a supporting base plate, wherein a screw rod top plate is fixed at the top end of the screw rod sleeve and is connected with engineering machinery through the screw rod top plate, the screw rod body is screwed in from the bottom end of the screw rod sleeve, the supporting base plate is connected with the screw rod body through a flat hinge structure, the flat hinge structure comprises a flat hinge head and a flat hinge seat matched with the flat hinge head, the flat hinge head is connected to the bottom of the screw rod body and is axially fixed and circumferentially free, and the supporting base plate is fixed on the bottom surface of the flat hinge seat.

Furthermore, the bottom of the screw rod body is provided with a circumferential outer convex ring, the flat hinge comprises two petals which are buckled left and right, the buckling surfaces of the two petals are provided with clamping grooves for accommodating the outer convex ring, the top plate of each clamping groove is provided with an opening for the screw rod body to penetrate, the flat hinge of the two petals is locked through a bolt, and the two ends of the bolt are embedded in the countersunk hole.

Furthermore, the flat hinge seat comprises a seat body and a pressing cover, a seat cavity with an opening at the top is formed in the seat body, the flat hinge head is stepped in the seat cavity, and the pressing cover is buckled on the seat body and clamps the flat hinge head.

Furthermore, an oil filling hole communicated with the clamping groove from the outside is formed in the flat hinge head, and an oil groove from the clamping groove to the seat cavity of the seat body is formed in the buckling surface of the flat hinge head.

Furthermore, a circle of reinforcing rib plates connected with a screw rod top plate are uniformly distributed on the screw rod sleeve.

Furthermore, anti-skid teeth are uniformly distributed below the supporting base plate.

Furthermore, a radial inserting tube hole is formed in the screw rod body.

Furthermore, the outer convex ring is sleeved with a bearing, the upper end and the lower end of the outer ring of the bearing are connected with the top bottom surface of the clamping groove, and the circumferential surface of the outer ring of the bearing is connected with the arc bottom of the clamping groove.

An engineering machine comprises a support screw rod, wherein the support screw rod is any one of the inclined plane support screw rods.

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

the inclined plane supporting screw rod provided by the utility model has the characteristics of stepless adjustment and self-locking of a common supporting screw rod, and the supporting base plate can be adjusted in a universal manner and can stably stand on a supporting surface with any inclination. The support base plate can be adjusted at any angle by adopting a horizontal rotating structure and an up-down overturning structure which are connected in two stages, and compared with the traditional spherical hinge connection form, the support is more stable, the abrasion at the joint is less, and the transverse shearing force can be borne.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

In the figure: 1-screw mandrel top plate; 2-reinforcing plate; 3-a screw rod sleeve; 4-a screw rod body; 5-inserting the tube hole; 6-an external convex ring; 7-a bearing; 8-flat hinged head; 9-a card slot; 10-countersunk; 11-a seat body; 12-a support mat; 13-a bolt; 14-anti-slip teeth; 15-pressing cover; 16-a screw; 17-screw holes; 18-oil holes; 19-oil groove.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Example 1

As shown in fig. 1 and 2; the embodiment provides an inclined plane support lead screw, including lead screw cover 3, the lead screw body 4, supporting pad board 12, the top of lead screw cover 3 is fixed with lead screw roof 1, the equipartition has a week deep floor 2 of being connected with lead screw roof 1 on the lead screw cover 3, be connected with engineering machine through lead screw roof 1, the bottom screw in of lead screw cover 3 is followed to the lead screw body 4, supporting pad board 12 is connected with the lead screw body 4 through flat hinge structure, flat hinge structure includes flat hinge head 8 and the flat free seat of complex with it, flat hinge head 8 is connected in the lead screw body 4 bottom and axial fixity, circumference is free, supporting pad board 12 is fixed in flat free seat bottom surface.

The bottom of the screw rod body 4 is provided with a circumferential outer convex ring 5, the flat hinge 8 comprises two petals which are buckled left and right, the buckling surfaces of the two petals are provided with clamping grooves 9 for accommodating the outer convex ring 5, the top plate of each clamping groove 9 is provided with a hole for penetrating the screw rod body 4, the flat hinges of the two petals are locked through bolts 13, and two ends of each bolt 13 are embedded in the countersunk holes 10.

The flat hinge seat comprises a seat body 11 and a gland 15, a seat cavity with an open top is formed in the seat body 11, the flat hinge 8 is stepped in the seat cavity, and the gland 15 is buckled on the seat body 11 and clamps the flat hinge 8. The base body 11 is prevented from falling off after the screw rod is lifted off the ground; the inner wall of the seat cavity is consistent with the outer arc of the flat hinged head 8, the inner ring of the gland 15 is consistent with the outer arc of the flat hinged head 8, and the flat hinged head 8 can freely rotate in the flat hinged seat. Specifically, the gland 15 and the seat body 11 are connected through a screw 16 arranged at an inflection point, the screw 16 penetrates through the gland 15, and a screw hole 17 is formed at a corresponding position of the seat body 11.

An oil filling hole 18 communicated with the clamping groove 9 from the outside is formed in the flat hinged head 8, and an oil groove 19 from the clamping groove 9 to the seat cavity of the seat body is formed in the buckling surface of the flat hinged head 8. Lubricating oil is filled into the clamping groove 9 through the oil filling hole 18 and flows into the seat cavity of the seat body along the oil groove 19 to lubricate the flat hinge 8 and the seat body 11 and prevent the flat hinge 8 and the seat body 11 from being rusted and bonded

The antiskid teeth 14 are uniformly distributed below the support base plate 12, and the antiskid teeth 14 can wholly slide due to heavy pressure when the screw rod bears the load.

A radial insertion tube hole 5 is formed in the screw rod body 4, and a prying rod is inserted into the insertion tube hole 5 to rotate the screw rod body 4.

The outer convex ring 5 is also sleeved with a bearing 6, the upper end and the lower end of the outer ring of the bearing are connected with the top bottom surface of the clamping groove 9, the circumferential surface of the outer ring of the bearing is connected with the arc bottom of the clamping groove 9, the bearing 6.7 does not bear force in the axial direction and supports the outer convex ring 6.6 in the radial direction, and the resistance of the flat hinged head 6.8 in the rotating process is reduced.

Example 2

The embodiment provides an engineering machine, which comprises a supporting screw rod, wherein the supporting screw rod is the inclined plane supporting screw rod in the embodiment 1, and the inclined plane supporting screw rod is arranged on the engineering machine to realize stable support on a slope surface.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an inclined plane support lead screw which characterized in that: including the lead screw cover (3), the lead screw body (4), supporting pad board (12), the top of lead screw cover (3) is fixed with lead screw roof (1), be connected with engineering machine tool through lead screw roof (1), the bottom screw in of lead screw cover (3) is followed in lead screw body (4), supporting pad board (12) are connected with the lead screw body (4) through flat hinge structure, flat hinge structure includes flat hinge head (8) and the flat free bearing of complex with it, flat hinge head (8) are connected in the lead screw body (4) bottom and axial fixity, circumference is free, supporting pad board (12) are fixed in flat free bearing bottom surface.

2. The oblique support screw of claim 1, wherein: the bottom of the screw rod body (4) be provided with outer bulge loop (6) of circumference, flat hinge head (8) are including controlling two lamellas of lock, open draw-in groove (9) that have holding outer bulge loop (6) on the buckle face of two lamellas, the roof trompil of draw-in groove (9) is used for the screw rod body (4) to penetrate, two lamella flat hinge heads pass through bolt (13) locking, the both ends of bolt (13) are inlayed in counter sink (10).

3. The oblique support screw of claim 2, wherein: the flat hinge comprises a seat body (11) and a gland (15), a seat cavity with an open top is formed in the seat body (11), the flat hinge head (8) is stepped in the seat cavity, and the gland (15) is buckled on the seat body (11) and clamps the flat hinge head (8).

4. The oblique support screw of claim 2, wherein: an oil filling hole (18) communicated with the clamping groove (9) from the outside is formed in the flat hinged head (8), and an oil groove (19) from the clamping groove (9) to the seat cavity of the seat body is formed in the buckling surface of the flat hinged head (8).

5. The oblique support screw of claim 1, wherein: and a circle of reinforcing rib plates (2) connected with the screw rod top plate (1) are uniformly distributed on the screw rod sleeve (3).

6. The oblique support screw of claim 1, wherein: anti-skid teeth (14) are uniformly distributed below the supporting base plate (12).

7. The oblique support screw of claim 1, wherein: the screw rod body (4) is provided with a radial insertion tube hole (5).

8. The oblique support screw of claim 2, wherein: the outer convex ring (6) is also sleeved with a bearing (7), the upper end and the lower end of the outer ring of the bearing are connected with the top bottom surface of the clamping groove (9), and the circumferential surface of the outer ring of the bearing is connected with the arc bottom of the clamping groove (9).

9. The engineering machine comprises a support screw rod, and is characterized in that: the support screw is the inclined support screw of any one of claims 1 to 8.