CN215293425U

CN215293425U - Supporting shaft for engineering machinery

Info

Publication number: CN215293425U
Application number: CN202121122548.5U
Authority: CN
Inventors: 胡东方
Original assignee: Nanzhao Yunxin Auto Parts Manufacturing Co ltd
Current assignee: Nanzhao Yunxin Auto Parts Manufacturing Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-24
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a back shaft for engineering machine tool relates to engineering machine tool technical field, for solving current back shaft and fixing the back because engineering machine tool's gravity and vibrations can cause the problem of road surface damage to engineering machine tool. The damping and ground cracking prevention base is arranged at one end of the supporting shaft body and consists of a first supporting and fixing plate, a second supporting and fixing plate, a damping structure and an anti-tilting slide rail, the second supporting and fixing plate is located at one end of the first supporting and fixing plate, the damping structure is located at the upper end of the first supporting and fixing plate, the anti-tilting slide rail is located on one side of the first supporting and fixing plate and is in sliding connection with the anti-tilting slide rail, a longitudinal adjusting device is arranged outside the anti-tilting slide rail and consists of a fixing column, a longitudinal adjusting threaded column, a transverse rotating block and a connecting and fixing shell, and the longitudinal adjusting threaded column is located at the upper end of the fixing column.

Description

Supporting shaft for engineering machinery

Technical Field

The utility model relates to an engineering machine tool technical field specifically is a back shaft for engineering machine tool.

Background

The engineering machine is mainly used in the fields of national defense construction engineering, construction of transportation, construction of agriculture, forestry and water conservancy, urban construction, environmental protection and the like, and the machine needs to be fixed at a certain position while being constructed in certain fields, and needs to be fixed to the machine through a support shaft.

However, the existing supporting shaft for the engineering machinery has heavy mechanical mass in the using process, and gravity is completely converged on the supporting shaft in the supporting process, so that the ground is cracked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back shaft for engineering machine tool to the back shaft that proposes in solving above-mentioned background art can cause the problem of road surface damage because engineering machine tool's gravity and vibrations after fixing engineering machine tool.

In order to achieve the above object, the utility model provides a following technical scheme: the supporting shaft for the engineering machinery comprises a supporting shaft body, wherein a damping ground cracking prevention base is arranged at one end of the supporting shaft body and consists of a first supporting and fixing plate, a second supporting and fixing plate, a damping structure and an anti-inclination sliding rail, the second supporting and fixing plate is located at one end of the first supporting and fixing plate, the damping structure is located at the upper end of the first supporting and fixing plate, the anti-inclination sliding rail is located on one side of the first supporting and fixing plate and is in sliding connection with the anti-inclination sliding rail, a longitudinal adjusting device is arranged outside the anti-inclination sliding rail and consists of a fixing column, a longitudinal adjusting threaded column, a transverse rotating block and a connecting and fixing shell, the longitudinal adjusting threaded column is located at the upper end of the fixing column, and the transverse rotating block is located at the lower end of the fixing column.

Preferably, the second supporting and fixing plate is rotatably connected with the first supporting and fixing plate, the number of the second supporting and fixing plate is two, and the anti-slip rubber layers are arranged at one ends of the second supporting and fixing plate and the first supporting and fixing plate.

Preferably, shock-absorbing structure comprises shock attenuation push rod, sealed storehouse, oil and compressed air, shock attenuation push rod and first support fixed plate fixed connection, the sealed storehouse is located the outside of shock attenuation push rod, the oil level is in the inside lower extreme of sealed storehouse, compressed air is located the upper end of oil, shock attenuation push rod and sealed storehouse sealing connection.

Preferably, the longitudinal adjusting threaded column is in threaded fit with the supporting shaft body, the transverse rotating block is rotatably connected with the transverse rotating block, and the transverse rotating block and the longitudinal adjusting threaded column are both rotatably connected with the fixing column.

Preferably, back shaft body one end is provided with angle adjusting device, angle adjusting device comprises first hydraulic telescoping device, second hydraulic telescoping device and rolling bearing, first hydraulic telescoping device is located the one end of back shaft body, second hydraulic telescoping device is located the other end of back shaft body, rolling bearing is located the outside of back shaft body.

Preferably, the damping push rod is externally provided with a damping spring, and the damping structure is transversely provided with a plurality of damping springs.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model arranges the damping and ground crack preventing base at the lower end of the supporting shaft body, when fixing the engineering machinery, the contact between the second supporting and fixing plate and the ground is enlarged, the contact area between the supporting shaft and the ground is enlarged to prevent the force from being converged to damage the road surface, on the other hand, the vibration caused by machinery is prevented from being transmitted to the road surface through the damping of the damping structure to damage the road surface, when the supporting shaft body is used, the second supporting fixing plate is driven by the motor to rotate and is tightly attached to the ground, so that the ground contact area is increased, the force is dispersed, after the vibration of upper end machinery is transmitted to shock-absorbing structure, the shock attenuation push rod can promote the oil in the sealed storehouse to shift up extrusion compressed air, but offset power when compressed air damping force, reduces the injury that mechanical shock caused ground, prevents ground fracture base protection ground through the shock attenuation, prevents to damage.

2. The utility model discloses an outside at connection fixed shell is provided with horizontal turning block, rotation through horizontal turning block drives vertical regulation screw thread post and rotates, it can make the whole slight regulation length of back shaft body to rotate through vertical regulation screw thread post, with the different length demands that adapt to different positions, horizontal turning block rotates and drives vertical regulation screw thread post through the fixed column and rotates, make back shaft body and vertical regulation screw thread post produce relative rotation under the frictional force effect through rotating vertical regulation screw thread post, and thereby make vertical adjusting device flexible, with the different length demands that adapt to different positions.

3. The utility model discloses a be provided with angle adjusting device in the one end of back shaft body, fixed position is not located the plane, can make the back shaft body through angle adjusting device, at the different angles of different positions, through the extension of second hydraulic telescoping device in the time of first hydraulic telescoping device shrink, drives the back shaft body and takes place crooked to adapt to the support of the different angles of different positions.

Drawings

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

fig. 2 is an overall plan view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is an internal schematic view of the damping structure of the present invention.

In the figure: 1. a support shaft body; 2. an angle adjusting device; 3. a first hydraulic telescopic device; 4. a second hydraulic telescopic device; 5. a rotating bearing; 6. the shock absorption and ground cracking prevention base is arranged; 7. a first supporting and fixing plate; 8. a second supporting and fixing plate; 9. an anti-slip rubber layer; 10. a shock-absorbing structure; 11. an anti-tilt slide rail; 12. a longitudinal adjustment device; 13. fixing a column; 14. longitudinally adjusting the threaded column; 15. a transverse rotating block; 16. connecting and fixing the shell; 17. a shock absorbing push rod; 18. a damping spring; 19. sealing the bin; 20. an oil; 21. the air is compressed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a supporting shaft for engineering machinery comprises a supporting shaft body 1, wherein one end of the supporting shaft body 1 is provided with a shock absorption ground crack prevention base 6, the shock absorption ground crack prevention base 6 consists of a first supporting and fixing plate 7, a second supporting and fixing plate 8, a shock absorption structure 10 and an anti-inclination slide rail 11, the second supporting and fixing plate 8 is positioned at one end of the first supporting and fixing plate 7, the shock absorption structure 10 is positioned at the upper end of the first supporting and fixing plate 7, the anti-inclination slide rail 11 is positioned at one side of the first supporting and fixing plate 7, the first supporting and fixing plate 7 is in sliding connection with the anti-inclination slide rail 11, a longitudinal adjusting device 12 is arranged outside the anti-inclination slide rail 11, the longitudinal adjusting device 12 consists of a fixing column 13, the vertical adjusting threaded column 14, the horizontal rotating block 15 and the connecting and fixing shell 16 are formed, the vertical adjusting threaded column 14 is located at the upper end of the fixing column 13, and the horizontal rotating block 15 is located at the lower end of the fixing column 13.

Further, second support fixed plate 8 rotates with first support fixed plate 7 to be connected, second support fixed plate 8 is provided with two, second support fixed plate 8 all is provided with non-slip rubber layer 9 with the one end of first support fixed plate 7, rotate and hug closely with ground through second support fixed plate 8, enlarge area of contact so that power dispersion, prevent that assembling of power leads to ground to damage, non-slip rubber layer 9's material is rubber, rubber can absorb vibrations, further reduce the damage of vibrations to ground, non-slip rubber layer 9's coefficient of friction is great, make the back shaft antiskid.

Further, shock-absorbing structure 10 is by shock attenuation push rod 17, seal chamber 19, oil 20 and compressed air 21 constitute, shock attenuation push rod 17 and first support fixed plate 7 fixed connection, seal chamber 19 is located shock attenuation push rod 17's outside, oil 20 is located the inside lower extreme of seal chamber 19, compressed air 21 is located oil 20's upper end, shock attenuation push rod 17 and seal chamber 19 sealing connection, after mechanical vibrations transmit shock-absorbing structure 10, shock attenuation push rod 17 promotes oil 20 and extrudes compressed air 21, can offset the power through compressed air 21 when the cushion effect, reduce the injury that mechanical shock caused to ground, protect ground.

Further, vertically adjust threaded post 14 and support shaft body 1 screw-thread fit, horizontal turning block 15 rotates with horizontal turning block 15 to be connected, and horizontal turning block 15 and vertical regulation threaded post 14 all rotate with fixed column 13 to be connected, make support shaft body 1 and vertical regulation threaded post 14 produce relative rotation under the frictional force effect through rotating vertical regulation threaded post 14 to thereby make vertical adjusting device 12 flexible, with the different length demands of adaptation different positions.

Further, 1 one end of back shaft body is provided with angle adjusting device 2, angle adjusting device 2 is by first hydraulic telescoping device 3, second hydraulic telescoping device 4 and rolling bearing 5 are constituteed, first hydraulic telescoping device 3 is located the one end of back shaft body 1, second hydraulic telescoping device 4 is located the other end of back shaft body 1, rolling bearing 5 is located the outside of back shaft body 1, through the extension of second hydraulic telescoping device 4 when first hydraulic telescoping device 3 contracts, it is crooked to drive back shaft body 1 to take place, in order to adapt to the support of the different angles in different positions.

Further, damping push rod 17's outside is provided with damping spring 18, and shock-absorbing structure 10 transversely is provided with a plurality of, and damping spring 18 assists the shock attenuation for the shock attenuation effect is better.

The working principle is as follows: when the support shaft is used, the ground is damaged due to the gravity of the machine and the vibration generated by the machine in the using process of the support shaft body 1, so that the ground is cracked, the output shaft of the motor drives the second support fixing plate 8 to rotate, the second support fixing plate 8 rotates and is tightly attached to the ground, so that the contact area of the support shaft body 1 and the ground is increased, the force can be diffused, after the vibration of the machine is transmitted to the shock absorption structure 10, the shock absorption push rod 17 pushes the oil 20 and extrudes the compressed air 21, the force can be counteracted while the force can be buffered by the compressed air 21, the damage to the ground caused by the mechanical vibration is reduced, the ground is protected, the damage is prevented, due to the different installation positions, the length requirements of the support shaft body 1 are different, the transverse rotating block 15 is driven to rotate by the output shaft of the motor, the rotation of the transverse rotating block 15 drives the longitudinal adjusting threaded column 14 to rotate by the fixing column 13, rotation through vertical regulation screw thread post 14 makes vertical regulation screw thread post 14 and back shaft body 1 produce relative rotation under the frictional force effect, make vertical regulation screw thread post 14 longitudinal movement, with adjustment overall length, because the angle of service position is the plane mostly, need support at the inclined plane sometimes, the shrink through first hydraulic telescoping device 3 and second hydraulic telescoping device 4 can make whole centre of a circle that uses rolling bearing 5 rotate as the center, in order to adapt to the support of the different angles in different positions.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 back shaft for engineering machinery, includes back shaft body (1), its characterized in that: the damping and ground cracking prevention device is characterized in that a damping and ground cracking prevention base (6) is arranged at one end of the supporting shaft body (1), the damping and ground cracking prevention base (6) is composed of a first supporting and fixing plate (7), a second supporting and fixing plate (8), a damping structure (10) and an anti-tilting slide rail (11), the second supporting and fixing plate (8) is located at one end of the first supporting and fixing plate (7), the damping structure (10) is located at the upper end of the first supporting and fixing plate (7), the anti-tilting slide rail (11) is located on one side of the first supporting and fixing plate (7), the first supporting and fixing plate (7) is in sliding connection with the anti-tilting slide rail (11), a longitudinal adjusting device (12) is arranged outside the anti-tilting slide rail (11), and the longitudinal adjusting device (12) is composed of a fixing column (13), a longitudinal adjusting threaded column (14), a transverse rotating block (15) and a connecting and fixing shell (16), the longitudinal adjusting threaded column (14) is located at the upper end of the fixed column (13), and the transverse rotating block (15) is located at the lower end of the fixed column (13).

2. The support shaft for a working machine according to claim 1, wherein: the second supporting and fixing plate (8) is rotatably connected with the first supporting and fixing plate (7), and the number of the second supporting and fixing plates (8) is two.

3. The support shaft for a working machine according to claim 1, wherein: shock-absorbing structure (10) comprise shock attenuation push rod (17), sealed storehouse (19), oil (20) and compressed air (21), shock attenuation push rod (17) and first support fixed plate (7) fixed connection, sealed storehouse (19) are located the outside of shock attenuation push rod (17), oil (20) are located the inside lower extreme in sealed storehouse (19), compressed air (21) are located the upper end of oil (20), shock attenuation push rod (17) and sealed storehouse (19) sealing connection.

4. The support shaft for a working machine according to claim 1, wherein: the longitudinal adjusting threaded column (14) is in threaded fit with the supporting shaft body (1), the transverse rotating block (15) is rotatably connected with the transverse rotating block (15), and the transverse rotating block (15) and the longitudinal adjusting threaded column (14) are rotatably connected with the fixing column (13).

5. The support shaft for a working machine according to claim 1, wherein: the utility model discloses a support shaft structure, including back shaft body (1), angle adjusting device (2) comprise first hydraulic telescoping device (3), second hydraulic telescoping device (4) and rolling bearing (5), first hydraulic telescoping device (3) are located the one end of back shaft body (1), second hydraulic telescoping device (4) are located the other end of back shaft body (1), rolling bearing (5) are located the outside of back shaft body (1).

6. A support shaft for a working machine according to claim 3, characterized in that: the damping push rod (17) is externally provided with a damping spring (18), and the damping structure (10) is transversely provided with a plurality of damping springs.