CN214499061U - Shield constructs machine knife utensil convenient to change - Google Patents
Shield constructs machine knife utensil convenient to change Download PDFInfo
- Publication number
- CN214499061U CN214499061U CN202120801088.2U CN202120801088U CN214499061U CN 214499061 U CN214499061 U CN 214499061U CN 202120801088 U CN202120801088 U CN 202120801088U CN 214499061 U CN214499061 U CN 214499061U
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Abstract
The utility model provides a shield constructs machine cutter convenient to change, include: the tool body is fixedly arranged in the mounting seat through a clamping and locking assembly; the cutter comprises two fixing shafts, wherein the two fixing shafts are respectively arranged on two sides of the cutter body, a circular groove is formed in one side of each fixing shaft, and a through hole is formed in one side of the inner wall of each circular groove. The utility model provides a shield constructs machine cutter convenient to change has and fixes cutter main part and mount pad through the kayser subassembly, during the installation, play through the plum blossom or a word plays the cross recess inside of inserting on the rectangular block and presses down the promotion, then twist, can accomplish the installation, when dismantling, it is inside and press to play the cross recess that inserts on the rectangular block through the plum blossom or a word through crossing on the same reason, then reverse rotation can dismantle, the installation is dismantled simply, and through preventing changeing a cooperation draw-in groove, can prevent to appear becoming flexible between location axle and the thread groove, make fixed more stable.
Description
Technical Field
The utility model relates to a shield constructs the quick-witted field, especially relates to a shield constructs quick-witted cutter of machine convenient to change.
Background
A shield machine is a tunnel boring machine using a shield method. The shield construction method is a "shield" (referred to as a supporting segment) for constructing (laying) a tunnel while a heading machine is heading, and is different from an open construction method.
The cutter on the shield machine is usually fixedly installed at the head of the shield machine through screws at present, but the shield machine generates vibration when working, and the screws are easy to loosen, so that the problem that the cutter is not firmly fixed is caused.
Therefore, there is a need to provide a shield tunneling machine tool which is easy to replace.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shield constructs machine cutter convenient to change has solved at present and has generally installed the head at the shield structure machine through screw fixed mounting, but the shield constructs the machine during operation, produces vibrations, and the screw produces easily not hard up, causes the fixed not firm problem of cutter.
In order to solve the technical problem, the utility model provides a shield constructs machine cutter convenient to change, include:
the tool body is fixedly arranged in the mounting seat through a clamping and locking assembly;
the two fixing shafts are respectively arranged on two sides of the cutter body, one side of each fixing shaft is provided with a circular groove, one side of the inner wall of each circular groove is provided with a through hole, and the top and the bottom of the inner wall of each circular groove are provided with clamping grooves;
the clamping and locking assembly comprises a positioning shaft, one end of the positioning shaft is provided with a round block, one side of the round block is fixedly connected with an end cap, a rectangular cavity is symmetrically formed in two sides of the inner wall of the rectangular cavity, a rotation-preventing block is connected between two sides of the inner wall of the rectangular cavity in a sliding mode, one side of the rotation-preventing block is located on a first elastic part of the inner portion of the rectangular cavity, one side of the rotation-preventing block is fixedly connected with a driving rope, a cylindrical cavity is formed in the positioning shaft, a piston block is arranged inside the cylindrical cavity, one side of the piston block is fixedly connected with a driving rod, one end of the driving rod penetrates through the round block and the end cap in sequence and extends to the outer portion of the end cap, one end of the driving rope is fixedly connected with the surface of the driving rod, and the end of the driving rod is fixedly connected with the rectangular block.
Preferably, one side of the end cap is provided with a square groove matched with the rectangular block, and a second elastic element is arranged inside the cylindrical cavity and on one side of the piston block.
Through seting up the direction groove in end cap one side, when the rectangular block was located direction inslot portion, it can drive the end cap and rotate to rotate the rectangular block, prevents at this moment that the piece is located the installation cavity inside, can accomplish the thread tightening of location axle and thread groove this moment.
Preferably, the mounting groove has all been seted up to the both sides of mount pad, and the thread groove has been seted up to one side of mount pad inner wall.
Preferably, one end of the positioning shaft is fixedly connected with the end cap, and arc-shaped holes are formed in two sides of the surface of the positioning shaft.
Preferably, both sides on the surface of the driving rod are fixedly connected with positioning rods, one end of each positioning rod extends to the outside of the corresponding positioning shaft through an arc-shaped hole, and the end part of each driving rod is provided with a cross groove.
The surface of the fixed shaft is provided with the arc-shaped hole, the driving rod can rotate by a certain angle along the arc-shaped hole, and the driving rod can be driven to rotate by a plum blossom or a straight line through the cross groove.
Preferably, spacing punch combination spare has been seted up on the fixed axle, spacing punch combination spare includes the cylindricality hole, the cylindricality hole is seted up in the front of fixed axle, two jacks have been seted up in the front of fixed axle and the bilateral symmetry that is located the cylindricality hole, jack and the inside intercommunication in cylindricality hole, the arc wall has been seted up to one side of jack inner wall, the front side of arc wall internal surface is seted up and is equipped with the spacing groove.
The situation that the positioning shaft and the thread groove are loosened can be prevented by arranging the limiting groove matched with the positioning rod, so that the fixation is more stable.
Preferably, a round hole is formed in the center of the rectangular block.
Through arranging the round hole, tools such as a plum blossom opener and the like can be stretched into the moving rod to operate.
Compared with the prior art, the utility model provides a shield constructs machine cutter convenient to change has following beneficial effect:
the utility model provides a shield constructs machine cutter convenient to change, it is fixed with the mount pad to cutter main part through the kayser subassembly, during the installation, play through the plum blossom or a word plays the cross recess inside that inserts on the rectangular block and presses the promotion, then twist, can accomplish the installation, when dismantling, it is inside and press to play the cross recess that inserts on the rectangular block through the plum blossom or a word to play on the same reason, then reverse rotation can dismantle, the installation is dismantled simply, and through preventing changeing a cooperation draw-in groove, can prevent to appear becoming flexible between location axle and the thread groove, make fixed more stable.
Drawings
Fig. 1 is a schematic structural diagram of a shield tunneling machine cutter according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a portion of the mount shown in FIG. 1;
FIG. 3 is a schematic view of the exterior of the latch assembly of FIG. 1;
fig. 4 is a schematic structural diagram of a second embodiment of a shield tunneling machine cutter convenient to replace according to the present invention;
FIG. 5 is a schematic view of the exterior of the latch assembly of FIG. 4;
fig. 6 is a side view of the stationary shaft shown in fig. 4.
Reference numbers in the figures: 1. the cutter main part, 2, the mount pad, 3, the fixed axle, 4, the kayser subassembly, 41, the location axle, 42, circular block, 43, the cylindricality chamber, 44, first elastic component, 45, the piston piece, 46, drive the rope, 47, prevent changeing the piece, 48, second elastic component, 49, the end cap, 410, drive the pole, 411, the rectangular block, 5, the mounting groove, 6, the thread groove, 7, the circular recess, 8, the through-hole, 9, the draw-in groove, 10, the locating lever, 11, spacing hole subassembly, 111, the cylindricality hole, 112, the jack, 113, the arc wall, 114, the spacing groove, 12, the arc wall, 13, the round hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a shield tunneling machine cutter convenient to replace according to a first embodiment of the present invention; FIG. 2 is a cross-sectional view of a portion of the mount shown in FIG. 1; FIG. 3 is a schematic view of the exterior of the latch assembly of FIG. 1. Shield constructs machine knife convenient to change includes:
the tool body 1 is fixedly arranged in the mounting seat 2 through a clamping and locking assembly 4;
the two fixing shafts 3 are respectively arranged on two sides of the cutter body 1, a circular groove 7 is formed in one side of each fixing shaft 3, a through hole 8 is formed in one side of the inner wall of each circular groove 7, and clamping grooves 9 are formed in the top and the bottom of the inner wall of each circular groove 7;
the latch assembly 4 includes a positioning shaft 41, one end of the positioning shaft 41 is provided with a circular block 42, an end cap 49 is fixedly connected to one side of the circular block 42, rectangular cavities are symmetrically formed in two sides of the inner part of the circular block 42, an anti-rotation block 47 is connected between two sides of the inner wall of the rectangular cavity in a sliding manner, a first elastic piece 44 is fixedly connected with one side of the anti-rotation block 47 and positioned in the rectangular cavity, one side of the anti-rotation block 47 is fixedly connected with a driving rope 46, a cylindrical cavity 43 is arranged inside the positioning shaft 41, a piston block 45 is arranged in the cylindrical cavity 43, one side of the piston block 45 is fixedly connected with a driving rod 410, one end of the driving rod 410 penetrates the circular block 42 and the end cap 49 in turn and extends to the outside of the end cap 49, one end of the driving rope 46 is fixedly connected with the surface of the driving rod 410, and the end of the driving rod 410 is fixedly connected with a rectangular block 411.
Cross recess has been seted up to one side of rectangular block 411, and the middle back cylindricality through-hole of seting up of circular block 42, and the installation cavity passes through connecting hole and cylindricality through-hole intercommunication, and it is fixed with drive rod 410 that drive rope 46 extends to the cylindricality through-hole through the connecting hole inside, and the connecting hole sets up to smooth arcwall face with cylindricality through-hole junction.
One side of the end cap 49 is provided with a square groove matched with the rectangular block 411, and a second elastic element 48 is arranged inside the cylindrical cavity 43 and on one side of the piston block 45.
The surface of the positioning shaft 41 is provided with an external thread which is matched with the thread groove 6.
The utility model provides a shield constructs the theory of operation of machine knife utensil convenient to change as follows:
when the cutter and the shield mechanism are fixedly installed, the fixed shafts 3 on the two sides of the cutter body 1 are correspondingly inserted into the installation grooves 5 on the two sides of the installation seat 2;
then, the positioning shaft 41 in the locking assembly 4 is correspondingly inserted into the circular groove 7 and the through hole 8 in the fixing shaft 3 and is in threaded connection with the threaded groove 6, and when in threaded connection, the positioning shaft is inserted into the cross groove on the rectangular block 411 through a quincunx or straight line and is pressed and pushed, so that the rectangular block 411 is positioned in the square groove on the end cap 49 and is correspondingly embedded, at the moment, the driving rod 410 pushes the piston block 45 to compress the second elastic piece 48, and meanwhile, the rotation preventing block 47 is pulled through the driving rope 46 to compress the first elastic piece 44, so that the rotation preventing block 47 completely enters the rectangular cavity;
when the rectangular block 411 is screwed, the end cap 49 is driven to rotate, so that the positioning shaft 41 is driven to rotate to be in threaded connection with the thread groove 6 on the mounting base 2, after the rectangular block 411 is completely screwed down, the rotation prevention block 47 corresponds to the clamping groove 9, the rectangular block 411 is loosened, the rotation prevention block 47 is pushed into the clamping groove 9 through the matching of the first elastic piece 44 and the second elastic piece 48, and the rotation prevention block 47 is matched with the clamping groove 9, so that the positioning shaft 41 and the thread groove 6 can be prevented from being loosened;
when dismantling, like the same reason, play through the plum blossom or a word and insert the cross recess on rectangular block 411 inside and press the promotion, then the antiport, with it take out can, the equal easy operation of installation dismantlement.
Compared with the prior art, the utility model provides a shield constructs machine cutter convenient to change has following beneficial effect:
fix with mount pad 2 through kayser subassembly 4 to cutter main part 1, during the installation, play through the plum blossom or a word play insert the cross recess on rectangular block 411 inside and press the promotion, then twist, can accomplish the installation, during the dismantlement, play through the plum blossom or a word and insert the cross recess on rectangular block 411 inside and press on the same reason, then the antiport can be dismantled, the installation is dismantled simply, and through preventing that turning block 47 cooperates draw-in groove 9, can prevent to appear becoming flexible between location axle 41 and the thread groove 6, make fixed more stable.
Second embodiment
Referring to fig. 4, 5 and 6 in combination, a second embodiment of the present application provides another shield tunneling machine tool that is convenient to replace, based on the shield tunneling machine tool that is convenient to replace provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the shield machine cutter convenient to change that the second embodiment of this application provided's difference lies in, the shield machine cutter convenient to change, location axle 41 one end with end cap 411 fixed connection, arc hole 12 has all been seted up to the both sides on location axle 41 surface.
The included angle between the two sides of the arc-shaped holes 12 and the center of the positioning shaft 41 is 30 degrees, and the surfaces of the positioning shaft 41 are arranged on the two arc-shaped holes 12 clockwise.
Both sides on the surface of the driving rod 410 are fixedly connected with positioning rods 10, one end of each positioning rod 10 extends to the outside of the positioning shaft 41 through an arc-shaped hole 12, and the end part of the driving rod 410 is provided with a cross groove.
Spacing punch combination spare 11 has been seted up on fixed axle 3, spacing punch combination spare 11 includes cylindrical hole 111, cylindrical hole 111 sets up in the front of fixed axle 3, two jacks 112 have been seted up in the front of fixed axle 3 and the bilateral symmetry that is located cylindrical hole 111, jack 112 and the inside intercommunication of cylindrical hole 111, arc wall 113 has been seted up to one side of jack 112 inner wall, the front side of 113 internal surfaces of arc wall is seted up and is equipped with spacing groove 114.
The two arc-shaped slots 113 are opened on one side of the inner wall of the two insertion holes 112 clockwise.
The center of the rectangular block 411 is provided with a round hole 13.
During installation, after the positioning shaft 41 is fixed with the thread groove 6 through threads, the positioning rod 10 corresponds to the insertion hole 112 at the moment, and can be inserted into a cross groove at the end part of the driving rod 410 through a straight line or a plum line with a small diameter, then the driving rod 410 is pressed to be positioned in the insertion groove 112 and correspond to the arc-shaped groove 113, at the moment, the piston block 45 compresses the second elastic part 48, then the driving rod 410 is rotated to drive the positioning rod 10 to rotate along the arc-shaped groove 113 until the positioning rod cannot rotate, at the moment, the positioning rod 10 corresponds to the limiting groove 114, at the moment, the driving rod 410 is loosened, the positioning rod 10 is pushed to enter the limiting groove 114 through the action of the second elastic part 48, and the positioning shaft 41 and the thread groove 6 can be prevented from being loosened through the cooperation of the positioning rod 10 with the limiting groove 114, so that the fixation is more stable;
when the positioning rod 10 is detached, the positioning rod 10 is moved out of the limiting groove 114 by pressing the positioning rod 10 again, the positioning rod 10 rotates reversely at the moment until the positioning rod cannot rotate, the positioning rod 10 corresponds to the jack 112, the end cap 49 can be screwed at the moment to screw out the positioning shaft 41, and the operation is simple and convenient.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a shield constructs quick-witted cutter convenient to change which characterized in that includes:
the tool body is fixedly arranged in the mounting seat through a clamping and locking assembly;
the two fixing shafts are respectively arranged on two sides of the cutter body, one side of each fixing shaft is provided with a circular groove, one side of the inner wall of each circular groove is provided with a through hole, and the top and the bottom of the inner wall of each circular groove are provided with clamping grooves;
the clamping and locking assembly comprises a positioning shaft, one end of the positioning shaft is provided with a round block, one side of the round block is fixedly connected with an end cap, a rectangular cavity is symmetrically formed in two sides of the inner wall of the rectangular cavity, a rotation-preventing block is connected between two sides of the inner wall of the rectangular cavity in a sliding mode, one side of the rotation-preventing block is located on a first elastic part of the inner portion of the rectangular cavity, one side of the rotation-preventing block is fixedly connected with a driving rope, a cylindrical cavity is formed in the positioning shaft, a piston block is arranged inside the cylindrical cavity, one side of the piston block is fixedly connected with a driving rod, one end of the driving rod penetrates through the round block and the end cap in sequence and extends to the outer portion of the end cap, one end of the driving rope is fixedly connected with the surface of the driving rod, and the end of the driving rod is fixedly connected with the rectangular block.
2. The shield tunneling machine cutter convenient to replace according to claim 1, wherein a square groove matched with the rectangular block is formed in one side of the end cap, and a second elastic element is arranged inside the cylindrical cavity and on one side of the piston block.
3. The shield tunneling machine cutter convenient to replace of claim 1, wherein both sides of the mounting seat are provided with mounting grooves, and one side of the inner wall of the mounting seat is provided with a thread groove.
4. The shield tunneling machine cutter convenient to replace of claim 1, wherein one end of the positioning shaft is fixedly connected with the end cap, and arc-shaped holes are formed in both sides of the surface of the positioning shaft.
5. The shield tunneling machine cutter convenient to replace according to claim 1, wherein positioning rods are fixedly connected to both sides of the surface of the driving rod, one end of each positioning rod extends to the outside of the positioning shaft through an arc-shaped hole, and a cross-shaped groove is formed in the end portion of each driving rod.
6. The shield tunneling machine cutter convenient to replace according to claim 1, wherein the fixed shaft is provided with a position limiting hole assembly, the position limiting hole assembly comprises a cylindrical hole, the cylindrical hole is arranged on the front surface of the fixed shaft, two insertion holes are symmetrically arranged on the front surface of the fixed shaft and positioned on two sides of the cylindrical hole, the insertion holes are communicated with the inside of the cylindrical hole, one side of the inner wall of each insertion hole is provided with an arc-shaped groove, and the front side of the inner surface of each arc-shaped groove is provided with a position limiting groove.
7. The shield tunneling machine cutter convenient to replace of claim 1, wherein a circular hole is formed in the center of the rectangular block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120801088.2U CN214499061U (en) | 2021-04-19 | 2021-04-19 | Shield constructs machine knife utensil convenient to change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120801088.2U CN214499061U (en) | 2021-04-19 | 2021-04-19 | Shield constructs machine knife utensil convenient to change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214499061U true CN214499061U (en) | 2021-10-26 |
Family
ID=78203678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120801088.2U Expired - Fee Related CN214499061U (en) | 2021-04-19 | 2021-04-19 | Shield constructs machine knife utensil convenient to change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214499061U (en) |
-
2021
- 2021-04-19 CN CN202120801088.2U patent/CN214499061U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |