CN215258338U

CN215258338U - Expansion part for development machine

Info

Publication number: CN215258338U
Application number: CN202121256493.7U
Authority: CN
Inventors: 吴润玉
Original assignee: Wuxi Runyu Machinery Co ltd
Current assignee: Wuxi Runyu Machinery Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-21
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a flexible portion for entry driving machine, its technical scheme main points are: the oil delivery pipe comprises a telescopic part body, wherein one side of the telescopic part body is fixedly communicated with an oil inlet connector, the other side of the telescopic part body is fixedly communicated with an oil discharge connector, the oil inlet connector comprises an inner pipe and an outer pipe, an inner thread is formed in the inner side wall of the outer pipe, an oil delivery pipeline connecting groove is formed between the inner pipe and the outer pipe, the inner part of the oil delivery pipeline connecting groove is in threaded connection with a clamping inner pipe and an oil delivery pipeline, an outer thread is formed in the outer side of the clamping inner pipe, one end of the oil delivery pipeline is provided with a sealing connecting part, and the sealing connecting part is attached to one end of the clamping inner pipe; the device can realize quick connection of the oil conveying pipeline, can improve the stability of the connection of the oil conveying pipeline, and cannot fall off under the action of large oil pressure.

Description

Expansion part for development machine

Technical Field

The utility model relates to a entry driving machine technical field, in particular to expansion part for entry driving machine.

Background

A heading machine is a machine for cutting roadways on a flat ground. The types of the development machine are many: dividing the machine into a common machine and a tunnel boring machine according to an operation object; the mechanical development device is divided into an open type development machine and a shield type development machine according to an operation mode, when the development machine works, the working part is extended through the telescopic part, and the telescopic part needs an oil conveying pipe to convey hydraulic oil when the development machine works.

Referring to the prior patent with publication number CN205100970U, it discloses a square expansion part with a clamping device for a cantilever type excavator, which comprises an outer cylinder assembly, a piston rod assembly and a balance valve assembly.

When the oil cylinder is under the action of non-hydraulic pressure smaller than the set pressure of the balance valve assembly, the balance valve assembly ensures that the pressure balance of the rodless cavity and the rod cavity of the oil cylinder does not move axially. However, the square expansion part with the clamping device for the cantilever excavator still has some disadvantages, such as: unable realization carries out stable connection to oil pipeline, and current technique is carrying out oil pipeline's connection, only carries out the block through the buckle and connects for oil pipeline is in the operation, takes place to drop easily under the effect of big oil pressure.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a telescopic part for entry driving machine to solve the problem of mentioning in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a telescopic part for entry driving machine, includes the telescopic part body, the fixed intercommunication in one side of telescopic part body has the oil feed interface, the fixed intercommunication of opposite side of telescopic part body has the oil extraction interface, the oil feed interface is including inner tube and outer tube, the internal thread has been seted up on the inside wall of outer tube, the inner tube with be equipped with the oil pipeline spread groove between the outer tube, the inside threaded connection of oil pipeline spread groove has block inner tube and oil pipeline, the external screw thread has been seted up in the outside of block inner tube, oil pipeline's one end is equipped with sealing connection portion, sealing connection portion laminating is in the one end of block inner tube.

Through adopting above-mentioned technical scheme, utilize this device can realize carrying out quick connection to oil pipeline to can improve the stability of oil pipeline connection, can not take place to drop under the effect of big oil pressure, the utility model discloses oil pipeline spread groove has been seted up in oil feed interface and oil extraction interface, and be equipped with screw thread portion in the oil pipeline spread groove, can realize carrying out threaded connection with the block inner tube, improve oil pipeline's connection stability, emergence that can not be easily drops.

Preferably, the end part of the clamping inner tube is fixedly connected with a connecting plate, an adjusting nut is fixedly arranged on the connecting plate, and the adjusting nut is movably arranged on the outer wall of the outer tube.

Through adopting above-mentioned technical scheme, the setting for of adjusting nut and connecting plate can be convenient for rotate the block inner tube, and then makes the external screw thread on the block inner tube can carry out threaded connection with the internal thread on the outer tube.

Preferably, a limiting plate is fixedly mounted on the side wall of the telescopic portion body, and the top of the telescopic portion body is in transmission connection with a gear shaft rod.

Through adopting above-mentioned technical scheme, the settlement of limiting plate can realize supporting and injecing the pars contractilis body, and the settlement of gear axostylus axostyle can realize carrying out the transmission to power take off portion and connect.

Preferably, the bottom of the telescopic part body is fixedly provided with a first mounting seat, and the upper part of the first mounting seat is fixedly provided with a protection plate.

Through adopting above-mentioned technical scheme, first mount pad can realize carrying out erection joint to the pars contractilis body to the guard plate can realize preventing the collision entering of dust or debris.

Preferably, fixed lugs are fixedly arranged on two sides of the first mounting seat, a connecting groove is formed in each fixed lug, and a pin rod mounting hole is formed in each connecting groove in a penetrating mode.

Through adopting above-mentioned technical scheme, the setting of fixed ear can realize carrying out swing joint to the pneumatic cylinder.

Preferably, the bottom of the first mounting seat is fixedly connected with a second mounting seat, the bottom of the second mounting seat is fixedly provided with a mounting bottom plate, and the mounting bottom plate is provided with a plurality of groups of mounting screw holes.

Through adopting above-mentioned technical scheme, second mount pad and mounting plate can realize the further installation to the pars contractilis body, and the screw of just installing being convenient for the screw carries out fixed connection.

Preferably, the oil inlet connector and the oil discharge connector have the same structure, and a plurality of groups of sealing rings are arranged inside the oil pipeline connecting groove.

Through adopting above-mentioned technical scheme, the oil feed interface is the same with the structure of oil extraction interface for the connection convenient and fast of equipment, and the settlement of sealing washer can reduce and reveal.

To sum up, the utility model discloses mainly have following beneficial effect:

utilize this device can realize carrying out quick connection to oil pipeline to can improve oil pipeline connection's stability, can not take place to drop under the effect of big oil pressure, the utility model discloses oil pipeline spread groove has been seted up in oil feed interface and oil extraction interface to be equipped with screw thread portion in the oil pipeline spread groove, can realize carrying out threaded connection with the block inner tube, improve oil pipeline's connection stability, emergence that can not be easy drops.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is one of the structural schematic diagrams of the oil inlet interface of the present invention;

fig. 3 is a second schematic structural diagram of the oil inlet interface of the present invention;

fig. 4 is the third schematic diagram of the oil inlet interface structure of the present invention.

Reference numerals: 1. a telescopic part body; 2. an oil inlet interface; 3. an oil discharge interface; 4. an inner tube; 5. an outer tube; 6. an internal thread; 7. connecting grooves of oil pipelines; 8. clamping the inner pipe; 9. an oil pipeline; 10. sealing the connection part; 11. an external thread; 12. a connecting plate; 13. adjusting the nut; 14. a limiting plate; 15. a gear shaft lever; 16. mounting a screw hole; 17. a first mounting seat; 18. a protection plate; 19. fixing the ear; 20. connecting grooves; 21. a pin mounting hole; 22. a second mounting seat; 23. and (5) mounting a bottom plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a telescopic part for entry driving machine, including telescopic part body 1, the fixed intercommunication in one side of telescopic part body 1 has oil feed interface 2, the fixed intercommunication in opposite side of telescopic part body 1 has oil extraction interface 3, oil feed interface 2 is including inner tube 4 and outer tube 5, internal thread 6 has been seted up on the inside wall of outer tube 5, inner tube 4 with be equipped with oil pipeline spread groove 7 between the outer tube 5, the inside threaded connection of oil pipeline spread groove 7 has block inner tube 8 and oil pipeline 9, external screw thread 11 has been seted up in the outside of block inner tube 8, the one end of oil pipeline 9 is equipped with sealing connection portion 10, sealing connection portion 10 laminates the one end of block inner tube 8.

Through adopting above-mentioned technical scheme, utilize this device can realize carrying out quick connection to oil pipeline 9 to can improve the stability that oil pipeline 9 connects, can not take place to drop under the effect of big oil pressure, the utility model discloses oil pipeline spread groove 7 has been seted up in oil feed interface 2 and oil extraction interface 3, and be equipped with screw thread portion in the oil pipeline spread groove 7, can realize carrying out threaded connection with block inner tube 8, improve oil pipeline 9's connection stability, emergence easily can not drop.

In this embodiment, preferably, a connecting plate 12 is fixedly connected to an end of the engaging inner tube 8, an adjusting nut 13 is fixedly disposed on the connecting plate 12, and the adjusting nut 13 is movably disposed on an outer wall of the outer tube 5. The effect is that the setting of the adjusting nut 13 and the connecting plate 12 can facilitate the rotation of the inner clamping tube 8, which in turn enables the external thread 11 on the inner clamping tube 8 to be screwed with the internal thread 6 on the outer tube 5.

In this embodiment, preferably, a limiting plate 14 is fixedly mounted on a side wall of the telescopic portion body 1, and a gear shaft rod 15 is connected to the top of the telescopic portion body 1 in a transmission manner. The effect does, and limiting plate 14's settlement can realize supporting and injecing the pars contractilis body 1, and gear shaft 15's settlement can realize carrying out the transmission to power take off and connect.

In this embodiment, preferably, a first mounting seat 17 is fixedly mounted at the bottom of the telescopic portion body 1, and a protection plate 18 is fixedly mounted at the upper portion of the first mounting seat 17. The effect is that the first mounting seat 17 can realize the mounting connection of the telescopic part body 1, and the protection plate 18 can prevent the collision of dust or sundries.

In this embodiment, preferably, fixing lugs 19 are fixedly disposed on two sides of the first mounting seat 17, a connecting groove 20 is disposed inside the fixing lugs 19, and a pin rod mounting hole 21 is disposed through the connecting groove 20. The effect is that the setting of the fixing lug 19 can realize the movable connection of the hydraulic cylinder.

In this embodiment, preferably, the bottom of the first mounting seat 17 is fixedly connected with a second mounting seat 22, the bottom of the second mounting seat 22 is fixedly mounted with a mounting bottom plate 23, and the mounting bottom plate 23 is provided with a plurality of sets of mounting screw holes 16. The effect is that the second mounting seat 22 and the mounting bottom plate 23 can further mount the expansion part body 1, and the mounting screw hole 16 facilitates the thread fixing connection.

In this embodiment, it is preferable that the oil inlet port 2 and the oil discharge port 3 have the same structure, and a plurality of sets of sealing rings are arranged inside the oil pipeline connecting groove 7. The effect does, and oil feed interface 2 is the same with the structure of oil extraction interface 3 for the connection convenient and fast of equipment, and the settlement of sealing washer can reduce and reveal.

The use principle and the advantages are as follows:

when the oil delivery pipe connecting structure is used, the sealing connecting portion 10 on the oil delivery pipe 9 is clamped at the end of the clamping inner pipe 8, then the clamping inner pipe 8 and the oil delivery pipe 9 are connected into the oil inlet connector 2 or the oil discharge connector 3, then the adjusting nut 13 connected through the connecting plate 12 on the clamping inner pipe 8 is rotated, so that the clamping inner pipe 8 and the oil delivery pipe 9 can enter the oil delivery pipe connecting groove 7, the oil inlet connector 2 and the oil discharge connector 3 are connected, and oil supply is performed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pars contractilis for entry driving machine, includes pars contractilis body (1), its characterized in that: the fixed intercommunication in one side of pars contractilis body (1) has oil feed interface (2), the fixed intercommunication in opposite side of pars contractilis body (1) has oil extraction interface (3), oil feed interface (2) are including inner tube (4) and outer tube (5), internal thread (6) have been seted up on the inside wall of outer tube (5), inner tube (4) with be equipped with oil pipeline spread groove (7) between outer tube (5), the inside threaded connection of oil pipeline spread groove (7) has block inner tube (8) and oil pipeline (9), external screw thread (11) have been seted up in the outside of block inner tube (8), the one end of oil pipeline (9) is equipped with sealing connection portion (10), sealing connection portion (10) laminating is in the one end of block inner tube (8).

2. The expansion and contraction part for a heading machine according to claim 1, wherein: the end part of the clamping inner pipe (8) is fixedly connected with a connecting plate (12), an adjusting nut (13) is fixedly arranged on the connecting plate (12), and the adjusting nut (13) is movably arranged on the outer wall of the outer pipe (5).

3. The expansion and contraction part for a heading machine according to claim 1, wherein: the side wall of the telescopic part body (1) is fixedly provided with a limiting plate (14), and the top of the telescopic part body (1) is in transmission connection with a gear shaft lever (15).

4. The expansion and contraction part for a heading machine according to claim 1, wherein: the bottom fixed mounting of pars contractilis body (1) has first mount pad (17), the upper portion fixed mounting of first mount pad (17) has guard plate (18).

5. The expansion and contraction part for a heading machine according to claim 4, wherein: fixed ear (19) of being equipped with in both sides of first mount pad (17), spread groove (20) have been seted up to the inside of fixed ear (19), run through on spread groove (20) and seted up pin rod mounting hole (21).

6. The expansion and contraction part for a heading machine according to claim 4, wherein: the bottom of the first mounting seat (17) is fixedly connected with a second mounting seat (22).

7. The expansion and contraction part for a heading machine according to claim 6, wherein: the bottom of the second mounting seat (22) is fixedly provided with a mounting bottom plate (23), and the mounting bottom plate (23) is provided with a plurality of groups of mounting screw holes (16).

8. The expansion and contraction part for a heading machine according to claim 1, wherein: the oil inlet connector (2) and the oil discharge connector (3) are identical in structure, and a plurality of groups of sealing rings are arranged inside the oil pipeline connecting groove (7).