CN113090328A - Positioning device for pre-buried channel of contact net - Google Patents
Positioning device for pre-buried channel of contact net Download PDFInfo
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- CN113090328A CN113090328A CN202110380557.2A CN202110380557A CN113090328A CN 113090328 A CN113090328 A CN 113090328A CN 202110380557 A CN202110380557 A CN 202110380557A CN 113090328 A CN113090328 A CN 113090328A
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- sliding frame
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- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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Abstract
The invention discloses a positioning device for a pre-buried channel of a contact network, which comprises a rack, wherein a first sliding frame and a second sliding frame are connected to the rack in a sliding manner, top support frames are arranged on the first sliding frame and the second sliding frame, an adjusting lead screw and an adjusting rod are also connected to the rack in a rotating manner, the adjusting lead screw is connected with the adjusting rod in a power connection manner, a first sliding block and a second sliding block are respectively connected to two sides of the adjusting lead screw through threads with opposite rotating directions, connecting rods are respectively hinged to the first sliding block and the second sliding frame, the other ends of the connecting rods are respectively hinged to the first sliding frame and the second sliding frame, and the connecting rods respectively hinged to the first sliding block and the; when the adjusting device is used, the adjusting rod drives the first sliding block and the second sliding block to move in opposite directions or move away from each other, and the connecting rods are symmetrically arranged, so that the first sliding block and the second sliding block can drive the connecting rods to pull back or prop the first sliding frame and the second sliding frame at the same time, the adjustment of the positions of the first sliding frame and the second sliding frame is realized, and different adjusting requirements are met.
Description
Technical Field
The invention relates to the technical field of tunnel construction equipment, in particular to a positioning device for an embedded channel of a contact net.
Background
The inverted arch is a reverse arch structure arranged at the bottom of the tunnel for improving the stress condition of an upper supporting structure, is one of main components of the tunnel structure, and is used for effectively transmitting the pressure of the stratum at the upper part of the tunnel to the ground through a side wall structure of the tunnel or the load on the road surface and also effectively resisting the counter force transmitted from the stratum at the lower part of the tunnel. The inverted arch and the secondary lining form a whole tunnel, so that the structural stability is improved.
The inverted arch will interfere with other processes during construction, so the inverted arch trestle is used in conjunction with the inverted arch construction. The use of invert trestle can reduce the face and excavate the interference between construction transportation and the invert construction, and the frock utensil that the face was under construction can be followed the trestle and passed through, does not influence the construction of the invert of trestle lower part, and provides the line production working face for the invert construction, has improved the efficiency of construction.
However, in the prior art, the trestle plate on the inverted arch trestle generally adopts a fixed structure, the width of the trestle plate is limited, and the wheel tracks of different engineering vehicles are different, so that the condition that tires are suspended possibly occurs when a part of large vehicles pass through the trestle plate, and a great potential safety hazard exists.
Disclosure of Invention
Aiming at the defect of poor positioning accuracy in the prior art, the invention discloses a precise positioning device for a reserved channel of a tunnel lining contact net.
The invention realizes the aim through the following technical scheme:
a positioning device for an embedded channel of a contact net comprises a rack, wherein a limiting baffle is arranged on one side of the rack; two sliding rods are symmetrically arranged on two sides of the rack, a first sliding frame and a second sliding frame which are parallel to each other are further arranged on the rack, and two sides of the first sliding frame and two sides of the second sliding frame are respectively connected with the two sliding rods in a sliding mode; the rack is also rotatably provided with an adjusting screw rod, the rack is also rotatably provided with an adjusting rod, and the adjusting rod is in power connection with the adjusting screw rod through bevel gears matched with each other; the adjusting screw rod is connected with a first sliding block and a second sliding block through connecting thread threads with opposite rotation directions, two sides of the first sliding block and two sides of the second sliding block are both hinged with connecting rods, and the other ends of the connecting rods are respectively hinged with a first sliding frame and a second sliding frame; and the connecting rods hinged with the first sliding block and the second sliding block are mutually symmetrical; and the first sliding frame and the second sliding frame are both provided with top brackets for supporting the channel.
Preferably, the two sides of the adjusting screw rod are also provided with limiting blocks, and the bevel gears are fixedly arranged in the middle of the adjusting screw rod.
Preferably, limiting plates are arranged on two sides of the bevel gear, and buffering rubber pads are arranged on the limiting plates and the limiting blocks.
Preferably, the rack is further connected with a locking screw through a screw thread, and the adjusting rod is provided with a locking groove matched with the locking screw.
Preferably, the top bracing frame comprises a supporting sleeve and a telescopic rod which are matched with each other, a waist-shaped groove and an adjusting hole which are matched with each other are arranged between the supporting sleeve and the telescopic rod, the supporting sleeve is further connected with a supporting sleeve through a screw thread, and a locking pin matched with the supporting sleeve is arranged between the waist-shaped groove and the adjusting hole.
Preferably, the top of the telescopic rod is also provided with a fixing jacket, and the upper part of the telescopic rod is provided with a fixing screw rod for locking the fixing jacket.
Preferably, the fixing clamp sleeve is further connected with a locking screw in a threaded mode, and a rubber pad is fixedly arranged at the end portion of the locking screw.
Compared with the prior art, the invention has the following beneficial effects:
1. the adjustable sliding rack comprises a rack, wherein a first sliding frame and a second sliding frame are connected to the rack in a sliding manner through two sliding rods, top bracing frames are arranged on the first sliding frame and the second sliding frame, an adjusting screw rod and an adjusting rod are also connected to the rack in a rotating manner, the adjusting screw rod and the adjusting rod are connected through bevel gears in a power manner, two sides of the adjusting screw rod are respectively connected with a first sliding block and a second sliding block through threads with opposite rotating directions, connecting rods are hinged to the first sliding block and the second sliding block, the other ends of the connecting rods are respectively hinged to the first sliding frame and the second sliding frame, and the connecting rods hinged to the first sliding block and the second sliding block are mutually symmetrical;
when the adjusting device is used, the adjusting screw rod is driven to rotate through the rotation of the adjusting rod, and then the first sliding block and the second sliding block are driven to move in opposite directions or move away from each other.
The invention realizes the distance adjustment of the embedded channel through a simple structure, and the structural stability is higher; meanwhile, the device also has the advantages of simple and convenient operation, rapid adjustment and the like.
2. The limiting blocks are arranged on the two sides of the adjusting screw rod, the bevel gear is arranged in the middle of the adjusting screw rod, the limiting plates are arranged on the two sides of the bevel gear, the buffering rubber pads are arranged on the limiting plates, and the limiting blocks and the limiting plates limit the movement end positions of the first sliding block and the second sliding block, so that the connecting rod is prevented from being reversed due to excessive displacement, and the stability of the whole set of equipment is improved; meanwhile, the bevel gear arranged in the middle is beneficial to optimizing the distribution of parts of the whole set of equipment, the size of the whole set of equipment is reduced, and meanwhile, the motion consistency of the first sliding block and the second sliding block is improved.
3. According to the invention, the frame is also provided with the locking screw, the adjusting rod is provided with the locking groove matched with the locking screw, the adjusting rod is fixed by matching the locking screw and the locking groove, and the stability and reliability of the first sliding frame and the second sliding frame in a non-adjusting state are ensured.
4. The top support frame comprises a support sleeve and a telescopic rod which are matched with each other, a waist-shaped groove and an adjusting hole which are matched with each other are arranged between the support sleeve and the telescopic rod, the support sleeve is also connected with a support sleeve in a threaded manner, and a locking pin matched with the support sleeve is arranged between the waist-shaped groove and the adjusting hole; when the telescopic device is used, the telescopic rod is pulled outwards to adjust the height of the telescopic rod, so that different shoring requirements are met, the use range of the device is expanded, meanwhile, the stability of the telescopic rod is guaranteed through the mutual matching of the locking pin and the supporting sleeve, and the supporting sleeve can be adjusted at will, so that the adjustable range of the telescopic device is greatly expanded; it is convenient and reliable to use.
5. According to the invention, the fixing jacket is arranged at the top of the telescopic rod, and the fixing screw rod for locking the fixing jacket is arranged at the upper part of the telescopic rod, so that different fixing jackets can be conveniently replaced by workers at any time according to needs, the installation requirements of pre-buried channels of different specifications are met, and the application range of the equipment is expanded.
6. According to the invention, the locking screw is further arranged on the fixing clamping sleeve, and the rubber pad is arranged on the locking screw, so that the small-size channel can be fixed, the equipment is more convenient to use, and meanwhile, the rubber pad can effectively prevent the locking screw from scratching the outer surface of the channel.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic structural view of embodiment 2 of the present invention;
fig. 4 is a schematic structural view of a top stay according to embodiment 2 of the present invention;
FIG. 5 is a schematic view of a fixing clip according to embodiment 2 of the present invention;
reference numerals: 1. the device comprises a rack, 2, a limit baffle, 3, a sliding rod, 4, a first sliding frame, 5, a second sliding frame, 6, an adjusting screw rod, 7, an adjusting rod, 8, a bevel gear, 9, a first sliding block, 10, a second sliding block, 11, a connecting rod, 12, a top support frame, 13, a limit block, 14, a limit plate, 15, a buffer rubber gasket, 16, a locking screw rod, 17, a locking groove, 18, a support sleeve, 19, a telescopic rod, 20, a waist-shaped groove, 21, an adjusting hole, 22, a support sleeve, 23, a locking pin, 24, a fixing jacket, 25, a fixing screw rod, 26, a locking screw rod, 27 and a rubber gasket.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following embodiments.
Embodiment mode 1
The embodiment is used as a basic embodiment of the invention, and discloses a positioning device for an embedded channel of a contact network, which has a specific structure shown in fig. 1 and fig. 2, and comprises a frame 1, wherein a limit baffle 2 is fixedly arranged on one side of the frame 1, two parallel sliding rods 3 are arranged on two sides of the frame 1, a first sliding frame 4 and a second sliding frame 5 which are parallel to each other are also arranged on the frame, two sides of the first sliding frame 4 and the second sliding frame 5 are respectively connected with the two sliding rods 3 in a sliding manner through linear motion bearings, and a top support frame 12 for supporting the embedded channel is also arranged at the top of the first sliding frame 4 and the second sliding frame 5;
the rack 1 is also rotatably connected with an adjusting screw 6 through a rolling bearing, the adjusting screw 6 is parallel to the first sliding frame 4 and the second sliding frame 5, meanwhile, an adjusting rod 7 is also rotatably arranged on the rack 1, the adjusting rod 7 is in power connection with the adjusting screw 6 through a bevel gear 8, the bevel gear 8 is fixed in the middle of the adjusting screw 6, connecting threads with opposite rotating directions are arranged on the adjusting screw 6 on two sides of the adjusting screw, the adjusting screw is respectively in threaded connection with a first sliding block 9 and a second sliding block 10 through the connecting threads, both sides of the first sliding block 9 and the second sliding block 10 are hinged with connecting rods 11, and the other ends of the connecting rods 11 are respectively in threaded connection with the first sliding frame 4 and the second sliding frame 5;
meanwhile, the connecting rods 11 hinged with the first sliding block 9 and the second sliding block 10 are symmetrically arranged about the radial direction of the adjusting screw rod 6; limiting blocks 13 are symmetrically arranged on the left side and the right side of the adjusting screw 6, limiting plates 14 are arranged on the two sides of the bevel gear 8, the movement ranges of the first slider 9 and the second slider 10 are determined between the limiting blocks 13 and the limiting plates 14 on the same side, and meanwhile, buffering rubber pads 15 are arranged on the inner sides of the limiting blocks 13 and the limiting plates 14;
and meanwhile, the rack 1 is also connected with a locking screw 16 in a threaded manner, and the adjusting rod 7 is provided with a locking groove 17 matched with the locking screw 16.
The embodiment is a preferred embodiment of the present invention, and discloses a positioning device for an embedded channel of a contact network on the basis of embodiment 1, and the specific structure is as shown in fig. 3 and fig. 5, and the positioning device comprises a frame 1, wherein a limit baffle 2 is fixedly arranged on one side of the frame 1, two parallel sliding rods 3 are arranged on two sides of the frame 1, and a first sliding frame 4 and a second sliding frame 5 which are parallel to each other are also arranged at the same time, and two sides of the first sliding frame 4 and the second sliding frame 5 are respectively connected with the two sliding rods 3 in a sliding manner through linear motion bearings; all be provided with top support frame 12 on first carriage 4 and the second carriage 5, top support frame 12 is including the support cover 18 and the telescopic link 19 of mutually supporting, support the fixed setting of cover 18 and first carriage 4 or second carriage 5 on, telescopic link 19 inserts and supports in the cover 18, support and be provided with waist type groove 20 and the regulation hole 21 of mutually supporting between cover 18 and the telescopic link 19, it is connected with support sleeve 22 still to thread on the cover 18 to support, be provided with the locking round pin 23 with support sleeve 22 adaptation between waist type groove 20 and the regulation hole 21.
Meanwhile, the top of the telescopic rod 19 is further provided with a fixing jacket 24, the upper part of the telescopic rod 19 is provided with a fixing screw 25 for locking the fixing jacket 24, one side of the fixing jacket 24 is further connected with a locking screw 26 in a threaded manner, and the end part of the locking screw 26 is fixedly provided with a rubber pad 27.
When the adjusting device is used, the adjusting screw rod is driven to rotate through the rotation of the adjusting rod, and then the first sliding block and the second sliding block are driven to move in opposite directions or move away from each other.
The invention realizes the distance adjustment of the embedded channel through a simple structure, and the structural stability is higher; meanwhile, the device also has the advantages of simple and convenient operation, rapid adjustment and the like.
Claims (7)
1. A positioning device for an embedded channel of a contact net comprises a rack (1), wherein a limiting baffle (2) is arranged on one side of the rack (1); the method is characterized in that: two sliding rods (3) are symmetrically arranged on two sides of the rack (1), a first sliding frame (4) and a second sliding frame (5) which are parallel to each other are further arranged on the rack (1), and two sides of the first sliding frame (4) and two sides of the second sliding frame (5) are respectively connected with the two sliding rods (3) in a sliding manner; the rack (1) is also rotatably provided with an adjusting screw rod (6), the rack (1) is also rotatably provided with an adjusting rod (7), and the adjusting rod (7) is in power connection with the adjusting screw rod (6) through bevel gears (8) which are matched with each other; the adjusting screw rod (6) is connected with a first sliding block (9) and a second sliding block (10) through connecting threads with opposite rotation directions, two sides of the first sliding block (9) and two sides of the second sliding block (10) are respectively hinged with a connecting rod (11), and the other end of the connecting rod (11) is respectively hinged with the first sliding frame (4) and the second sliding frame (5); and the connecting rods (11) hinged with the first sliding block (9) and the second sliding block (10) are symmetrical to each other; and top brackets (12) for supporting the channel are arranged on the first sliding frame (4) and the second sliding frame (5).
2. The positioning device for the pre-buried channel of the contact net according to claim 1, characterized in that: and limiting blocks (13) are further arranged on two sides of the adjusting screw rod (6), and the bevel gear (8) is fixedly arranged in the middle of the adjusting screw rod (6).
3. The positioning device for the pre-buried channel of the contact net according to claim 2, characterized in that: limiting plates (14) are arranged on two sides of the bevel gear (8), and buffering rubber pads (15) are arranged on the limiting plates (14) and the limiting blocks (13).
4. The positioning device for the pre-buried channel of the contact net according to claim 1, characterized in that: the frame (1) is further connected with a locking screw (16) in a threaded mode, and the adjusting rod (7) is provided with a locking groove (17) matched with the locking screw (16).
5. The positioning device for the pre-buried channel of the contact net according to claim 1, characterized in that: the supporting frame (12) comprises a supporting sleeve (18) and a telescopic rod (19) which are matched with each other, a waist-shaped groove (20) and an adjusting hole (21) which are matched with each other are arranged between the supporting sleeve (18) and the telescopic rod (19), a supporting sleeve (22) is connected to the supporting sleeve (18) in a threaded manner, and a locking pin (23) matched with the supporting sleeve (22) is arranged between the waist-shaped groove (20) and the adjusting hole (21).
6. The positioning device for the pre-buried channel of the contact net according to claim 5, characterized in that: the top of the telescopic rod (19) is also provided with a fixing jacket (24), and the upper part of the telescopic rod (19) is provided with a fixing screw rod (25) for locking the fixing jacket (24).
7. The positioning device for the pre-buried channel of the contact net according to claim 6, characterized in that: the fixing clamp sleeve (24) is further connected with a locking screw rod (26) in a threaded mode, and a rubber pad (27) is fixedly arranged at the end portion of the locking screw rod (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110380557.2A CN113090328B (en) | 2021-04-09 | 2021-04-09 | Positioning device for pre-buried channel of contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110380557.2A CN113090328B (en) | 2021-04-09 | 2021-04-09 | Positioning device for pre-buried channel of contact net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113090328A true CN113090328A (en) | 2021-07-09 |
| CN113090328B CN113090328B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110380557.2A Active CN113090328B (en) | 2021-04-09 | 2021-04-09 | Positioning device for pre-buried channel of contact net |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3979095A (en) * | 1975-02-18 | 1976-09-07 | Patentanwalte Dr.-Ing. Held | Suspension clamp for electrical overhead lines |
| DE10242574A1 (en) * | 2002-09-11 | 2004-03-18 | Max Bögl Bauunternehmung GmbH & Co. KG | Method for cutting a tunnel and erecting an overhead railway has the supports for the railway track attached to reinforcing and embedded in the sprayed concrete lining of the tunnel |
| CN104790969A (en) * | 2015-03-04 | 2015-07-22 | 中铁二十四局集团福建铁路建设有限公司 | Two-time positioning construction process for pre-buried channels of overhead line system of high-speed railway tunnel |
| CN207523478U (en) * | 2017-10-12 | 2018-06-22 | 中铁电气化局集团宝鸡器材有限公司 | A kind of contact net support device being installed in tunnel built-in groove |
| CN109958473A (en) * | 2017-12-22 | 2019-07-02 | 中铁上海工程局集团有限公司 | A kind of positioning device for railway tunnel contact net curved channel |
-
2021
- 2021-04-09 CN CN202110380557.2A patent/CN113090328B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3979095A (en) * | 1975-02-18 | 1976-09-07 | Patentanwalte Dr.-Ing. Held | Suspension clamp for electrical overhead lines |
| DE10242574A1 (en) * | 2002-09-11 | 2004-03-18 | Max Bögl Bauunternehmung GmbH & Co. KG | Method for cutting a tunnel and erecting an overhead railway has the supports for the railway track attached to reinforcing and embedded in the sprayed concrete lining of the tunnel |
| CN104790969A (en) * | 2015-03-04 | 2015-07-22 | 中铁二十四局集团福建铁路建设有限公司 | Two-time positioning construction process for pre-buried channels of overhead line system of high-speed railway tunnel |
| CN207523478U (en) * | 2017-10-12 | 2018-06-22 | 中铁电气化局集团宝鸡器材有限公司 | A kind of contact net support device being installed in tunnel built-in groove |
| CN109958473A (en) * | 2017-12-22 | 2019-07-02 | 中铁上海工程局集团有限公司 | A kind of positioning device for railway tunnel contact net curved channel |
Non-Patent Citations (1)
| Title |
|---|
| 王保安: "客运专线铁路隧道内接触网滑型槽道预埋施工方法", 《江西建材》 * |
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| CN113090328B (en) | 2023-03-31 |
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