CN213116316U - Shield constructs machine knife dish telescoping device - Google Patents
Shield constructs machine knife dish telescoping device Download PDFInfo
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- CN213116316U CN213116316U CN202021649173.3U CN202021649173U CN213116316U CN 213116316 U CN213116316 U CN 213116316U CN 202021649173 U CN202021649173 U CN 202021649173U CN 213116316 U CN213116316 U CN 213116316U
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- cutter head
- buffer
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Abstract
The utility model discloses a shield constructs quick-witted blade disc telescoping device, which comprises an outer shell, the one end opening part of shell is provided with the blade disc, the side of blade disc is provided with first connecting block, the surface symmetry of first connecting block is provided with two flexible movable rods, the other end of two flexible movable rods is provided with hydraulic cylinder, the surface of first connecting block runs through and has seted up the second and rotate the groove, the inner wall surface in second rotation groove is fixed with the snap ring; through the second connecting block, the turning block, the first limiting groove and the second limiting groove of design, can drive the blade disc and take place to rotate, through the first connecting block, the first groove that rotates, the second groove that rotates and the snap ring of design, can be when the blade disc card dies in the rock, can contract the blade disc, conveniently take out the blade change with the blade disc from the rock.
Description
Technical Field
The utility model belongs to the technical field of the shield constructs the machine, concretely relates to shield constructs quick-witted cutterhead telescoping device.
Background
The shield machine is large-scale construction equipment used for underground excavation of ground tunnels, and has the advantages of high automation degree, high construction speed and the like. The cutter head is positioned at the foremost end of the shield machine and used for excavating construction geology, and is usually connected to a power cylinder through a large-caliber bearing in a middle supporting mode, so that the cutter head can rotate stably, and the reliability of earth-sand sealing can be improved.
When the cutter head of the existing shield machine is used, if rocks are excavated and are likely to be stuck in the rock wall of a tunnel, the cutter head can be pulled out due to the fact that a corresponding telescopic structure is not arranged, inconvenience is brought to replacement of blades on the surface of the cutter head, expansion of follow-up work is affected, and project progress is delayed, so that the problem needs to be solved by designing a structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shield constructs quick-witted blade disc telescoping device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a shield tunneling machine cutter head telescopic device comprises a shell, a cutter head is arranged at an opening at one end of the shell, a first connecting block is arranged on the side surface of the cutter head, two telescopic movable rods are symmetrically arranged on the surface of the first connecting block, a hydraulic oil cylinder is arranged at the other end of each telescopic movable rod, a second rotating groove is formed in the surface of the first connecting block in a penetrating mode, a clamping ring is fixed on the surface of the inner wall of the second rotating groove, a second connecting block is fixed on the side surface of the cutter head and penetrates through the inside of the second rotating groove, a first rotating groove with a circular cross section is formed in the surface of the second connecting block, the clamping ring is embedded into the first rotating groove, first limiting grooves with circular cross sections and equal distances are formed in the side surface of the second connecting block, a plurality of second limiting grooves are formed in the surface of the inner wall of the first limiting groove, the inside embedding of first spacing groove has the turning block, the one end surface equidistance of turning block is fixed with a plurality of fixture blocks, every the fixture block all imbeds to the inside of second spacing groove.
Preferably, the fixed surface of turning block has the dog, the surface symmetry of first connecting block has two first buffers, two the sliding tray has all been seted up on the surface of first buffer, the one end of first buffer is provided with the second buffer, the one end of second buffer is embedded into the inside of sliding tray, be connected with the spring between the inner wall of second buffer and sliding tray.
Preferably, one end of the second buffer block is symmetrically fixed with two retaining piles, and the two retaining piles are attached to the surface of the inner wall of the sliding groove.
Preferably, one end of the rotating block is provided with a rotating shaft, and one end of the rotating shaft is provided with a motor.
Preferably, the top end of the shell is symmetrically fixed with hanging blocks, and hanging holes are formed in the surfaces of the hanging blocks in a penetrating mode.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the second connecting block, the turning block, the first limiting groove and the second limiting groove of design, can drive the blade disc and take place to rotate, through the first connecting block, the first groove that rotates, the second groove that rotates and the snap ring of design, can be when the blade disc card dies in the rock, can contract the blade disc, conveniently take out the blade change with the blade disc from the rock.
2. Through the first buffer block, the second buffer block, the sliding groove and the spring, when the cutter head and the first connecting block are contracted, a certain buffer effect is achieved, and the phenomenon that the cutter head is contracted too fast and the joints of the cutter head and other structures are damaged is avoided.
Drawings
Fig. 1 is a front sectional view of the present invention;
FIG. 2 is a front cross-sectional view of the area A of FIG. 1 according to the present invention;
FIG. 3 is a right side cross-sectional view of the area A of FIG. 1 according to the present invention;
fig. 4 is a front sectional view of the area B in fig. 1 according to the present invention.
In the figure: 1. a housing; 2. a cutter head; 3. rotating the block; 4. a stopper; 5. a telescopic movable rod; 6. a first connection block; 7. a first buffer block; 8. a second buffer block; 9. a snap ring; 10. a first rotating groove; 11. a second connecting block; 12. a first limit groove; 13. a second limit groove; 14. a clamping block; 15. a second rotating groove; 16. a sliding groove; 17. a spring.
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 to 3, the present invention provides a technical solution: a shield machine cutter head telescopic device comprises a shell 1, a cutter head 2 is arranged at an opening at one end of the shell 1, a first connecting block 6 is arranged on the side surface of the cutter head 2, two telescopic movable rods 5 are symmetrically arranged on the surface of the first connecting block 6, hydraulic oil cylinders are arranged at the other ends of the two telescopic movable rods 5, a second rotating groove 15 is formed in the surface of the first connecting block 6 in a penetrating mode, a clamping ring 9 is fixed on the inner wall surface of the second rotating groove 15, a second connecting block 11 is fixed on the side surface of the cutter head 2 and penetrates through the inside of the second rotating groove 15, a first rotating groove 10 with a circular cross section is formed in the surface of the second connecting block 11, the clamping ring 9 is embedded into the first rotating groove 10, a first limiting groove 12 with a circular cross section is formed in the side surface of the second connecting block 11, a plurality of second limiting grooves 13 are formed in the inner wall surface of the first limiting groove, the inside embedding of first spacing groove 12 has turning block 3, second connecting block 11 through the design, turning block 3, first spacing groove 12 and second spacing groove 13, can drive blade disc 2 and take place to rotate, first connecting block 6 through the design, first rotating groove 10, second rotating groove 15 and snap ring 9, can be when dead in the rock when blade disc 2 card, can contract blade disc 2, conveniently take out the blade change with the blade disc from the rock, the one end surface equidistance of turning block 3 is fixed with a plurality of fixture blocks 14, every fixture block 14 all imbeds to the inside of second spacing groove 13.
Example 2
Referring to fig. 1 to 4, the present invention provides a technical solution: a shield machine cutter head telescopic device comprises a shell 1, a cutter head 2 is arranged at an opening at one end of the shell 1, a first connecting block 6 is arranged on the side surface of the cutter head 2, two telescopic movable rods 5 are symmetrically arranged on the surface of the first connecting block 6, hydraulic oil cylinders are arranged at the other ends of the two telescopic movable rods 5, a second rotating groove 15 is formed in the surface of the first connecting block 6 in a penetrating mode, a clamping ring 9 is fixed on the inner wall surface of the second rotating groove 15, a second connecting block 11 is fixed on the side surface of the cutter head 2 and penetrates through the inside of the second rotating groove 15, a first rotating groove 10 with a circular cross section is formed in the surface of the second connecting block 11, the clamping ring 9 is embedded into the first rotating groove 10, a first limiting groove 12 with a circular cross section is formed in the side surface of the second connecting block 11, a plurality of second limiting grooves 13 are formed in the inner wall surface of the first limiting groove, the inside embedding of first spacing groove 12 has turning block 3, second connecting block 11 through the design, turning block 3, first spacing groove 12 and second spacing groove 13, can drive blade disc 2 and take place to rotate, first connecting block 6 through the design, first rotating groove 10, second rotating groove 15 and snap ring 9, can be when dead in the rock when blade disc 2 card, can contract blade disc 2, conveniently take out the blade change with the blade disc from the rock, the one end surface equidistance of turning block 3 is fixed with a plurality of fixture blocks 14, every fixture block 14 all imbeds to the inside of second spacing groove 13.
In this embodiment, it is preferable, the surface mounting of turning block 3 has dog 4, the surface symmetry of first connecting block 6 is fixed with two first buffer blocks 7, sliding tray 16 has all been seted up on the surface of two first buffer blocks 7, the one end of first buffer block 7 is provided with second buffer block 8, the inside of sliding tray 16 is embedded into to the one end of second buffer block 8, be connected with spring 17 between the inner wall of second buffer block 8 and sliding tray 16, first buffer block 7 through the design, second buffer block 8, sliding tray 16 and spring 17, can be when blade disc 2 and first connecting block 6 shrink, there is certain cushioning effect to it, avoid contracting too fast, cause the damage to the junction of blade disc 2 and other structures.
In this embodiment, preferably, two retaining piles are symmetrically fixed to one end of the second buffer block 8, the retaining piles limit the second buffer block 8, and the two retaining piles are attached to the inner wall surface of the sliding groove 16.
In this embodiment, preferably, one end of the rotating block 3 is provided with a rotating shaft, and one end of the rotating shaft is provided with a motor, and the motor provides power for the rotation of the rotating block 3.
In this embodiment, preferably, the top end of the housing 1 is symmetrically fixed with hanging blocks, hanging holes are formed in the surfaces of the hanging blocks in a penetrating manner, and the hanging blocks and the hanging holes facilitate the lifting and moving of the device.
The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the motor drives the rotating block 3 to rotate, the rotating block 3 drives the second connecting block 11 to rotate through the plurality of clamping blocks 14 fixed on the surface of one end of the rotating block 3, the second connecting block 11 drives the cutter head 2 to rotate, thereby cutting and excavating the soil in the tunnel, if the blade on the surface of the cutter head 2 is clamped in the rock in the using process, the telescopic movable rod 5 can be driven by the hydraulic oil cylinder to contract, the telescopic movable rod 5 pulls the first connecting block 6 to move towards one end, and because the clamping ring 9 is clamped in the first rotating groove 10, the first connecting block 6 drives the clamping ring 9 and further drives the second connecting block 11 to move in the same direction, at the moment, one end of the rotating block 3 slides in the first limiting groove 12, the plurality of clamping blocks 14 at one end of the rotating block 3 also slide in the second limiting groove 13, so that the second connecting block 11 can drive the cutter head 2 to move towards one end smoothly, until taking out the blade on blade disc 2 surface from the rock, if flexible movable rod 5 shrink too fast, the power that the shrink produced is also great, after contracting to a certain degree, second buffer block 8 can laminate mutually with the surface of dog 4, flexible movable rod 5 continues to contract, dog 4 can extrude second buffer block 8, make the one end of second buffer block 8 slide in the inside of sliding tray 16, at this moment, second buffer block 8 extrusion spring 17, make spring 17 atress shrink, certain cushioning effect can be played at flexible movable rod 5's shrink in-process to this structure.
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 (5)
1. The utility model provides a shield constructs quick-witted cutterhead telescoping device, includes shell (1), its characterized in that: a cutter head (2) is arranged at an opening at one end of the shell (1), a first connecting block (6) is arranged on the side face of the cutter head (2), two telescopic movable rods (5) are symmetrically arranged on the surface of the first connecting block (6), a hydraulic oil cylinder is arranged at the other end of each telescopic movable rod (5), a second rotating groove (15) is formed in the surface of the first connecting block (6) in a penetrating manner, a clamping ring (9) is fixed on the surface of the inner wall of the second rotating groove (15), a second connecting block (11) is fixed on the side face of the cutter head (2), the second connecting block (11) penetrates through the inside of the second rotating groove (15), a first rotating groove (10) with a circular cross section is formed in the surface of the second connecting block (11), the clamping ring (9) is embedded into the inside of the first rotating groove (10), a first limiting groove (12) with a circular cross section is formed in the side face of the second connecting block (11), a plurality of second spacing grooves (13) have been seted up to the inner wall surface equidistance of first spacing groove (12), the inside embedding of first spacing groove (12) has turning block (3), the one end surface equidistance of turning block (3) is fixed with a plurality of fixture blocks (14), every fixture block (14) all imbed the inside to second spacing groove (13).
2. The shield tunneling machine cutter head telescoping device of claim 1, wherein: the surface mounting of turning block (3) has dog (4), the surface symmetry of first connecting block (6) is fixed with two first buffer blocks (7), two sliding tray (16) have all been seted up on the surface of first buffer block (7), the one end of first buffer block (7) is provided with second buffer block (8), the one end of second buffer block (8) is embedded into the inside of sliding tray (16), be connected with spring (17) between the inner wall of second buffer block (8) and sliding tray (16).
3. The shield tunneling machine cutter head telescoping device of claim 2, wherein: and two retaining piles are symmetrically fixed at one end of the second buffer block (8), and are attached to the surface of the inner wall of the sliding groove (16).
4. The shield tunneling machine cutter head telescoping device of claim 1, wherein: one end of the rotating block (3) is provided with a rotating shaft, and one end of the rotating shaft is provided with a motor.
5. The shield tunneling machine cutter head telescoping device of claim 1, wherein: the top end of the shell (1) is symmetrically fixed with hanging blocks, and hanging holes are formed in the surfaces of the hanging blocks in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649173.3U CN213116316U (en) | 2020-08-10 | 2020-08-10 | Shield constructs machine knife dish telescoping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649173.3U CN213116316U (en) | 2020-08-10 | 2020-08-10 | Shield constructs machine knife dish telescoping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213116316U true CN213116316U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021649173.3U Active CN213116316U (en) | 2020-08-10 | 2020-08-10 | Shield constructs machine knife dish telescoping device |
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| CN (1) | CN213116316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338966A (en) * | 2021-05-26 | 2021-09-03 | 苏州中车建设工程有限公司 | Shield machine with efficient damping device |
-
2020
- 2020-08-10 CN CN202021649173.3U patent/CN213116316U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338966A (en) * | 2021-05-26 | 2021-09-03 | 苏州中车建设工程有限公司 | Shield machine with efficient damping device |
| CN113338966B (en) * | 2021-05-26 | 2022-12-20 | 江苏中车城市发展有限公司 | Shield machine with high-efficiency damping device |
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