CN213180637U - Positioning device for central revolving body test bed of shield tunneling machine - Google Patents

Positioning device for central revolving body test bed of shield tunneling machine Download PDF

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Publication number
CN213180637U
CN213180637U CN202022102683.5U CN202022102683U CN213180637U CN 213180637 U CN213180637 U CN 213180637U CN 202022102683 U CN202022102683 U CN 202022102683U CN 213180637 U CN213180637 U CN 213180637U
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China
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tailstock
revolving body
support
center
positioning device
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CN202022102683.5U
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Chinese (zh)
Inventor
薛建国
李海民
白国伟
叶灵
夏庆发
孙楠楠
黄辉
段天文
李川
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China Railway Engineering Service Co Ltd
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China Railway Engineering Service Co Ltd
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Abstract

The utility model belongs to the field of shield machine test detection devices, in particular to a shield machine center revolving body test bed positioning device, which solves the problems of frequent replacement, troublesome operation, influence on detection efficiency, service life and the like of the shield machine test bed positioning device, and comprises a mounting base and a linear guide rail, wherein the mounting base is provided with a center frame, a tailstock and a transmission system, the output end of the transmission system is connected with a center revolving body, the other end of the center revolving body is movably connected with the tailstock, the center frame is used for fixing the center revolving body, the center frame and the tailstock are slidably connected with the linear guide rail, and the mounting base is fixedly connected with the linear guide rail; the utility model discloses simplify shield structure machine center solid of revolution location operation on the test bench, the staff of being convenient for detects, optimizes positioner's structure, improves positioner's life. The utility model is suitable for a shield constructs machine test and examines time measuring for the installation of central solid of revolution location.

Description

Positioning device for central revolving body test bed of shield tunneling machine
Technical Field
The utility model belongs to shield constructs quick-witted test detection device field, concretely relates to shield constructs quick-witted center solid of revolution test bench positioner.
Background
The positioning device of the shield machine center revolving body test bed is used for detecting and testing the shield machine center revolving body, and positioning the shield machine center revolving body, the existing shield machine detection device is difficult to position the shield machine revolving bodies with different specifications, the positioning devices with various different specifications are generally required to be matched with shield machines with different specifications, and the existing shield machine positioning device is troublesome to operate and affects the detection efficiency to a certain extent.
The positioning device of the center revolving body of the existing shield tunneling machine needs to be frequently replaced according to the specification of the center revolving body, when a group of center revolving bodies with larger specification and size differences need to be detected, the positioning device on a test bed needs to be frequently replaced, the abrasion to the positioning device is serious, the precision of the positioning device can be influenced for a long time, and even the service life of the positioning device is influenced.
Disclosure of Invention
Frequent change to shield structure machine test bench positioner among the prior art, troublesome poeration influences detection efficiency and life scheduling problem moreover, the utility model provides a shield structure machine center solid of revolution test bench positioner, its aim at: the positioning operation of the central revolving body of the shield tunneling machine on the test bed is simplified, the detection by workers is facilitated, the structure of the positioning device is optimized, the central revolving body of the shield tunneling machine is not frequently disassembled and replaced, and the service life of the positioning device of the test bed of the central revolving body of the shield tunneling machine is prolonged.
The utility model adopts the technical scheme as follows:
the utility model provides a shield constructs quick-witted center solid of revolution test bench positioner which characterized in that: the center frame and the tailstock are connected with the linear guide rail in a sliding mode, and the mounting base is fixedly connected with the linear guide rail.
By adopting the scheme, the mounting base is provided with the linear guide rail and the transmission system, the center frame and the tailstock are in sliding connection with the linear guide rail, the center frame is used for circumferential positioning of the central revolving body, the tailstock is used for transverse positioning of the central revolving body, the transmission system outputs power to drive the central revolving body to do revolving motion, one end of the central revolving body is connected with the transmission system, the other end of the central revolving body is connected with the tailstock, the tailstock is flexibly adjusted according to the length of the central revolving body, the tailstock is fixed when the position is proper, transverse positioning is achieved, and the center frame is used for circumferential positioning of the.
Preferably, the mounting base is fixedly connected with a guide rail base plate, the guide rail base plate is fixedly connected with the linear guide rail, the center frame and the tailstock are provided with guide rail sliding blocks, and the guide rail sliding blocks are connected with the linear guide rail in a sliding mode. By adopting the preferred scheme, the guide rail backing plate is fixedly connected to the mounting base and used for fixing the linear guide rail, the guide rail backing plate is different from the guide rail in material quality, the material performance required by the guide rail backing plate is more superior, and the guide rail sliding blocks are arranged on the center frame and the tailstock, so that the center frame and the tailstock are conveniently matched with the linear guide rail, the positions of the center frame and the tailstock are flexible and changeable, and the length requirement of a center revolving body is met.
Preferably, the center frame comprises a first support, a second support and a center frame base, the second support is fixedly connected with the center frame base, the first support is hinged to one end of the second support, the other end of the first support is movably connected with the other end of the second support, and the center frame base is connected with the linear guide rail in a sliding mode. Adopt this preferred scheme, the centre frame structure is nimble, first support and second support one end fixed connection, other end hinged joint for the centre frame is convenient for install and takes out the central solid of revolution, when needs installation or take out the central solid of revolution, removes first support and rotates around the second support, makes first support and second support swing joint end separation, and the centre frame is in open state, and when needs fixed center solid of revolution, makes first support and second support swing joint end combine, adopts bolt and nut fixed connection, and the centre frame is closed.
Preferably, the first support and the second support are semicircular plates, the first support and the second support are combined into a circular structure, three clamping devices are evenly arranged on the circular structure, and the clamping devices are fixedly connected with the first support and the second support. By adopting the preferred scheme, the first support and the second support are semicircular plates and are combined into a circular structure to be attached to the cylindrical structure of the central revolving body, and three clamping devices are uniformly distributed and fixed on the circular structure of the combination of the first support and the second support, stably bear the gravity of the central revolving body and simultaneously complete the circumferential positioning of the central revolving body.
Preferably, the clamping device comprises a clamping column, a clamping sleeve and a positioning device, a through hole is formed in the clamping sleeve, the clamping column is located in the through hole, one end of the clamping column is provided with a thread, and the other end of the clamping column is fixedly connected with the positioning device. Adopt this preferred scheme, the position of the convenient nimble tight post of clamp of adjusting of clamp sleeve internal through-hole to clamp tight post one end and set up the screw thread, when clamping the post position and suitable, clamp tight post and set up screw thread one end and nut cooperation, confirm the length that presss from both sides tight post, clamp the post other end and set up positioner, the circumference location of the different diameter center solid of revolution of being convenient for.
Preferably, the positioning device comprises a roller and a pin shaft, a through hole is formed between the roller and the clamping column, and the through hole is used for being matched with the pin shaft. By adopting the preferred scheme, the roller on the positioning device rotates along with the central revolving body during the dynamic detection of the central revolving body, so that the surface of the central revolving body is protected, the through hole is formed between the roller and the clamping column and is matched with the pin shaft, the pin shaft and the roller are in interference fit, the pin shaft rotates along with the roller when the roller rotates, and the pin shaft and the clamping column are in clearance fit.
Preferably, the tailstock comprises a top column, a tailstock head, a tailstock middle part and a tailstock bottom plate, the top column is used for limiting the transverse movement of the central revolving body, the top column is rotatably connected with the tailstock head, the tailstock middle part is fixedly connected with the tailstock head and the tailstock bottom plate, and the tailstock bottom plate is slidably connected with the linear guide rail. By adopting the preferred scheme, the tailstock is used for transversely positioning the central revolving body, the ejection column is rotatably connected with the head of the tailstock, when the transverse positioning of the central revolving body is completed, the ejection column rotates along with the central revolving body in the detection process of the central revolving body, the middle part of the tailstock is fixedly connected with the head of the tailstock and the bottom plate of the tailstock, the bottom plate of the tailstock is slidably connected with the linear guide rail, so that the tailstock can be conveniently moved on the linear guide rail, and the transverse positioning of the central revolving body with different lengths is realized.
Preferably, the tailstock bottom plate is symmetrically provided with four fixed handles, the fixed handles are hinged to the tailstock bottom plate and comprise a holding part and an eccentric wheel, the holding part is fixedly connected with the eccentric wheel, the eccentric wheel is provided with a through hole, and the circle center of the through hole is located between the circle center of the eccentric wheel and the connecting part of the holding part and the eccentric wheel. Adopt this preferred scheme, tailstock bottom plate symmetry is provided with four fixed handles, can stabilize fixed tailstock, be difficult for appearing because of the unstable damage that causes the central solid of revolution of stationary force in the testing process, fixed handle is articulated with the tailstock bottom plate, make fixed handle rotate, fixed handle includes portion of gripping and eccentric wheel, the through-hole that sets up in the middle of the eccentric wheel is located the centre of a circle of eccentric wheel and the centre of portion of gripping and eccentric wheel connection position, the eccentric wheel outer fringe that makes to keep away from the portion of gripping is longer apart from the length at eccentric wheel rotation center, the eccentric wheel outer fringe that is close to the portion of gripping is shorter apart from the length at eccentric wheel rotation center, through the change of distance length, make the eccentric wheel compress tightly on the guide rail backing plate or eccentric wheel and guide rail backing.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, be provided with linear guide and transmission system on the mounting base, centre frame and tailstock and linear guide sliding connection, the centre frame is used for the circumference location of the central solid of revolution, the tailstock is used for the transverse orientation of the central solid of revolution, transmission system output power drives the central solid of revolution and is rotary motion, transmission system is connected to central solid of revolution one end, the tailstock is connected to the other end, the tailstock is adjusted according to the length flexibility of the central solid of revolution, when the position is suitable fixed the tailstock, reach transverse orientation, the centre frame is used for the circumference location of the central solid of revolution.
2. The utility model discloses in, fixed connection guide backing plate is used for fixed linear guide on the mounting base, and the guide rail backing plate is different with the guide rail material, and the material performance that the guide rail backing plate needs is more superior, and centre frame and tailstock set up the guide rail slider and are convenient for cooperate linear guide, make centre frame and tailstock position nimble changeable, accord with the length requirement of the central solid of revolution.
3. The utility model discloses in, the centre frame structure is nimble, first support and second support one end fixed connection, other end hinged joint for the centre frame is convenient for install and is taken out the central solid of revolution, when needs installation or take out the central solid of revolution, it is rotatory around the second support to remove first support, makes first support and second support swing joint end separate, the centre frame is in open state, when needs fixed center solid of revolution, make first support and second support swing joint end combine, adopt bolt and nut fixed connection, the centre frame is closed.
4. The utility model discloses in, first support and second support are the semicircle board to combine for circular structure, with the laminating of the cylinder structure of the central solid of revolution, the fixed three clamping device of evenly distributed on the circular structure of first support and second support combination simultaneously, three clamping device stably bears the gravity of the central solid of revolution, accomplishes the circumference location of the central solid of revolution simultaneously.
5. The utility model discloses in, the position of the tight post of clamp is adjusted in the convenient flexibility of clamp sleeve interior through-hole to press from both sides tight post one end and set up the screw thread, when pressing from both sides tight post position and suitable, press from both sides tight post and set up screw thread one end and nut cooperation, confirm the length that presss from both sides tight post, press from both sides the tight post other end and set up positioner, the circumference location of the different diameter center solid of revolution of being convenient for.
6. The utility model discloses in, gyro wheel on the positioner is examined time measuring at central solid of revolution developments, rotates along with central solid of revolution, is favorable to protecting the surface of central solid of revolution, sets up the through-hole in the middle of gyro wheel and the tight post of clamp, and the cooperation round pin axle, round pin axle and gyro wheel are interference fit, and when the gyro wheel was rotatory, the round pin axle rotated along with the gyro wheel together, and the round pin axle is clearance fit with pressing from both sides between the tight post.
7. The utility model discloses in, the tailstock is used for the transverse orientation of the center solid of revolution, and the fore-set rotates with the tailstock head to be connected, accomplishes the back when centering solid of revolution transverse orientation, and in the center solid of revolution testing process, the fore-set rotates along with the center solid of revolution, tailstock middle part and tailstock head and tailstock bottom plate fixed connection, tailstock bottom plate and linear guide sliding connection, the tailstock of being convenient for move on linear guide realizes the transverse orientation of the center solid of revolution of different length.
8. The utility model discloses in, tailstock bottom plate symmetry is provided with four fixed handles, can stabilize fixed tailstock, be difficult for appearing causing the central solid of revolution to appear the damage in the testing process because of the stationary force is unstable, fixed handle is articulated with the tailstock bottom plate, make fixed handle rotate, fixed handle is including the portion of gripping and eccentric wheel, the through-hole that sets up in the middle of the eccentric wheel is located the centre of a circle of eccentric wheel and the centre that the portion of gripping and eccentric wheel are connected the position, the eccentric wheel outer fringe that makes the portion of gripping keep away from is longer apart from eccentric wheel center of rotation's length, the eccentric wheel outer fringe that is close to the portion of gripping is shorter apart from the length of eccentric wheel center of rotation, through the change apart from length, make the eccentric wheel compress tightly on the guide.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the center frame structure of the present invention;
FIG. 3 is a schematic structural view of the positioning device of the present invention;
FIG. 4 is a schematic view of the structure of the pin and the roller;
fig. 5 is a schematic structural view of the tailstock of the present invention;
fig. 6 is a schematic view of the structure of the fixing handle of the present invention.
Reference numerals: 1-a central solid of revolution; 2-a clamping device; 3-a centre frame; 4-tailstock; 5-linear guide rail; 6-guide rail backing plate; 7-mounting a base; 201-clamping post; 202-a clamping sleeve; 203-a positioning device; 2031-pin shaft; 2032-rollers; 301-a first support; 302-a second stent; 303-a steady rest base; 401-top post; 402-tailstock head; 403-middle tailstock; 404-tailstock base plate; 405-a fixed handle; 4051-a grip portion; 4052 eccentric wheel.
Detailed Description
All features disclosed in this specification may be combined in any combination, except features that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 6.
In the embodiment, the positioning device for the central revolving body test bed of the shield tunneling machine comprises a mounting base 7 and a linear guide rail 5, wherein a center frame 3, a tailstock 4 and a transmission system are arranged on the mounting base, the output end of the transmission system is connected with the central revolving body 1, the other end of the central revolving body 1 is movably connected with the tailstock 4, the center frame 3 is used for fixing the central revolving body 1, the center frame 3, the tailstock 4 and the linear guide rail 5 are in sliding connection, and the mounting base 7 is fixedly connected with the linear guide rail 5.
The mounting base 7 is fixedly connected with a guide rail base plate 6, the guide rail base plate 6 is fixedly connected with the linear guide rail 5, the center frame 3 and the tailstock 4 are provided with guide rail sliding blocks, and the guide rail sliding blocks are connected with the linear guide rail 5 in a sliding mode.
In this embodiment, the center frame 3 and the tailstock 4 can both slide on the linear guide 5, and when detecting the center revolving body 1 with a length different from the previous length, the center frame 3 is moved to slide on the linear guide 5, and when the position is proper, the center revolving body 1 is placed on the center frame 3, so that the circumferential position of the center revolving body 1 is fixed, and then the tailstock 4 is moved to one end, away from the transmission system, of the center revolving body 1 and is fixed, so that the transverse position of the center revolving body 1 is fixed.
In this embodiment, the center frame 3 includes a first bracket 301, a second bracket 302 and a center frame base 303, the second bracket 302 is fixedly connected with the center frame base 303, one end of the first bracket 301 is hinged to one end of the second bracket 302, the other end of the first bracket 301 is movably connected to the second bracket 302, and the center frame base 303 is slidably connected to the linear guide 5
First support 301 and second support 302 are semicircle board, first support 301 and second support 302 make up into circular structure, circular structure is last evenly to have and to set up three clamping device 2, clamping device 2 and first support 301 and second support 302 fixed connection.
In this embodiment, the first bracket 301 is fixedly connected to one end of the second bracket 302, and the other end is connected to the second bracket 302 through a bolt and a nut, when the central revolving body 1 is stored or taken out, the connection end of the bolt and the nut is released, the first bracket 301 rotates around the hinge connection end of the first bracket 301 and the second bracket 302, so that the central bracket 3 is in an open state, the central revolving body 1 is put in or taken out, the first bracket 301 rotates around the hinge connection end of the first bracket 301 and the second bracket 302, so that the central bracket 3 is in a closed state, and the movable connection end of the first bracket 301 and the second bracket 302 is fixed by the bolt and the nut. After the central revolving body 1 is stored, the three clamping devices 2 uniformly arranged on the circular structure formed by the first bracket 301 and the second bracket 302 fix the circumferential position of the central revolving body.
In this embodiment, the clamping device 2 includes a clamping column 201, a clamping sleeve 202 and a positioning device 203, a through hole is provided in the clamping sleeve 202, the clamping column 201 is located in the through hole, one end of the clamping column 201 is provided with a thread, and the other end is fixedly connected with the positioning device 203.
The positioning device 203 includes a roller 2032 and a pin 2031, a through hole is provided between the roller 2032 and the clamping column 201, and the through hole is used for matching with the pin 2031.
In this embodiment, when the central revolving body 1 has been stored on the center frame 3, the positioning device 203 of the clamping device 2 is at a certain distance from the outer peripheral surface of the central revolving body 1, the nut at the end provided with the thread of the clamping column 201 is loosened, the clamping column 201 is located in the clamping sleeve 202 at this time, the clamping column 201 is moved closer to the central revolving body 1, and when the roller 2032 of the positioning device is fitted to the outer peripheral surface of the central revolving body, the end provided with the thread of the clamping column 201 is fixed by the nut, and the circumferential positioning of the central revolving body 1 is completed.
In this embodiment, the tailstock 4 includes a top column 401, a tailstock head 402, a tailstock middle part 403, and a tailstock bottom plate 404, where the top column 401 is used to limit the transverse movement of the central revolving body 1, the top column 401 is rotatably connected to the tailstock head 402, the tailstock middle part 403 is fixedly connected to the tailstock head 402 and the tailstock bottom plate 404, and the tailstock bottom plate 404 is slidably connected to the linear guide 5.
The tailstock base plate 404 is symmetrically provided with four fixed handles 405, the fixed handles 405 are hinged to the tailstock base plate 404, each fixed handle 405 comprises a holding portion 4051 and an eccentric wheel 4052, the holding portion 4051 is fixedly connected with the eccentric wheel 4052, the eccentric wheel 4052 is provided with a through hole, and the circle center of the through hole is located between the circle center of the eccentric wheel 4052 and the connecting portion of the holding portion 4051 and the eccentric wheel 4052.
In this embodiment, when the central revolving body 1 has been stored on the center frame 3, the tailstock 4 is in a movable state at this time, so that the tailstock 4 slides on the linear guide 5, when the top pillar 401 is attached to the end face of the central revolving body 1 far from the end of the transmission system, the four fixed handles 405 are rotated, so that the holding portions 4051 are drawn close to each other in the vertical direction, at this time, the outer edge of the eccentric 4052 gradually approaches the guide rail backing plate 6 until the eccentric 4052 is attached to the guide rail backing plate 6, the pressure applied by the eccentric 4052 to the guide rail backing plate 6 is increased, and the tailstock 4 is fixed, so that the transverse positioning of the central revolving body 1. After the detection is finished, the four fixed handles 405 are rotated to enable the holding parts 4051 to approach to the horizontal direction, at the moment, the outer edge of the eccentric wheel 4052 gradually gets away from the guide rail backing plate 6, the pressure applied to the guide rail backing plate 6 by the eccentric wheel 4052 is reduced until the outer edge of the eccentric wheel 4052 is not in contact with the guide rail backing plate 6 any more, and the tailstock 4 is in a movable state.
It should be noted that the transmission system, the linear guide 5, the guide slider and the like mentioned in the present application belong to the prior art, and therefore, they are not specifically described in the present application.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present invention, which shall all be covered by the present application.

Claims (8)

1. The utility model provides a shield constructs quick-witted center solid of revolution test bench positioner which characterized in that: including mounting base (7) and linear guide (5), be provided with centre frame (3), tailstock (4) and transmission system on the mounting base, the transmission system output is connected with the central solid of revolution (1), the central solid of revolution (1) other end and tailstock (4) swing joint, centre frame (3) are used for fixed center solid of revolution (1), centre frame (3) and tailstock (4) and linear guide (5) sliding connection, mounting base (7) and linear guide (5) fixed connection.
2. The shield tunneling machine center revolving body test bed positioning device according to claim 1, characterized in that: fixedly connected with guide rail backing plate (6) on mounting base (7), guide rail backing plate (6) and linear guide (5) fixed connection, centre frame (3) and tailstock (4) are provided with the guide rail slider, guide rail slider and linear guide (5) sliding connection.
3. The shield tunneling machine center revolving body test bed positioning device according to claim 1, characterized in that: the center frame (3) comprises a first support (301), a second support (302) and a center frame base (303), the second support (302) is fixedly connected with the center frame base (303), the first support (301) is hinged to one end of the second support (302), the other end of the first support is movably connected with the other end of the second support, and the center frame base (303) is connected with the linear guide rail (5) in a sliding mode.
4. The shield tunneling machine center revolving body test bed positioning device according to claim 3, characterized in that: first support (301) and second support (302) are semicircle board, first support (301) and second support (302) make up into circular structure, circular structure is last evenly to have and to set up three clamping device (2), clamping device (2) and first support (301) and second support (302) fixed connection.
5. The shield tunneling machine center revolving body test bed positioning device according to claim 4, characterized in that: the clamping device (2) comprises a clamping column (201), a clamping sleeve (202) and a positioning device (203), a through hole is formed in the clamping sleeve (202), the clamping column (201) is located in the through hole, one end of the clamping column (201) is provided with a thread, and the other end of the clamping column is fixedly connected with the positioning device (203).
6. The shield tunneling machine center revolving body test bed positioning device according to claim 5, characterized in that: the positioning device (203) comprises a roller (2032) and a pin shaft (2031), wherein through holes are formed in the middle of the roller (2032) and the clamping column (201), and the through holes are used for being matched with the pin shaft (2031).
7. The shield tunneling machine center revolving body test bed positioning device according to claim 1, characterized in that: the tailstock (4) comprises a top column (401), a tailstock head (402), a tailstock middle part (403) and a tailstock bottom plate (404), wherein the top column (401) is used for limiting the transverse movement of the central revolving body (1), the top column (401) is rotatably connected with the tailstock head (402), the tailstock middle part (403) is fixedly connected with the tailstock head (402) and the tailstock bottom plate (404), and the tailstock bottom plate (404) is in sliding connection with the linear guide rail (5).
8. The shield tunneling machine center revolving body test bed positioning device according to claim 7, characterized in that: the tailstock base plate (404) is symmetrically provided with four fixed handles (405), the fixed handles (405) are hinged to the tailstock base plate (404), each fixed handle (405) comprises a holding portion (4051) and an eccentric wheel (4052), the holding portions (4051) are fixedly connected with the eccentric wheels (4052), the eccentric wheels (4052) are provided with through holes, and the circle centers of the through holes are located in the center of the eccentric wheels (4052) and in the middle of the connecting portion of the holding portions (4051) and the eccentric wheels (4052).
CN202022102683.5U 2020-09-23 2020-09-23 Positioning device for central revolving body test bed of shield tunneling machine Active CN213180637U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022102683.5U CN213180637U (en) 2020-09-23 2020-09-23 Positioning device for central revolving body test bed of shield tunneling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022102683.5U CN213180637U (en) 2020-09-23 2020-09-23 Positioning device for central revolving body test bed of shield tunneling machine

Publications (1)

Publication Number Publication Date
CN213180637U true CN213180637U (en) 2021-05-11

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Application Number Title Priority Date Filing Date
CN202022102683.5U Active CN213180637U (en) 2020-09-23 2020-09-23 Positioning device for central revolving body test bed of shield tunneling machine

Country Status (1)

Country Link
CN (1) CN213180637U (en)

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