CN110778338A - Self-propelled hydraulic pressure invert landing stage operation face width adjusting device - Google Patents
Self-propelled hydraulic pressure invert landing stage operation face width adjusting device Download PDFInfo
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- CN110778338A CN110778338A CN201911205623.1A CN201911205623A CN110778338A CN 110778338 A CN110778338 A CN 110778338A CN 201911205623 A CN201911205623 A CN 201911205623A CN 110778338 A CN110778338 A CN 110778338A
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- trestle
- threaded rod
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- propelled hydraulic
- plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000007723 transport mechanism Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/10—Travelling bridges, i.e. roller bridges; Sliding bridges; Rotary cylinder bridges, i.e. rotating about longitudinal axis to invert and raise the road
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a self-propelled hydraulic inverted arch trestle working surface width adjusting device which comprises a support frame, wherein a support rod piece is fixedly installed at the longitudinal end of the support frame, a trestle mechanism is arranged above the support rod piece, and the trestle mechanism comprises a first trestle plate and a second trestle plate. According to the self-propelled hydraulic inverted arch trestle, the output end of the motor drives the first threaded rod to rotate, the first threaded rod drives the second threaded rod to synchronously rotate through the transmission mechanism, the first threaded rod and the second threaded rod rotate to drive the first trestle plate and the second trestle plate to move, and under the action of different thread sections on the first threaded rod and the second threaded rod, the first trestle plate and the second trestle plate can move relatively to change the width between the first trestle plate and the second trestle plate, so that the width adjustment of the self-propelled hydraulic inverted arch trestle is realized, and the application range of the self-propelled hydraulic inverted arch trestle is expanded.
Description
Technical Field
The invention relates to the technical field of self-propelled hydraulic inverted arch trestles, in particular to a device for adjusting the width of an operating surface of a self-propelled hydraulic inverted arch trestle.
Background
When the tunnel is constructed, the bottom arc of the excavated section is called an inverted arch; in the construction process of the tunnel inverted arch part, an inverted arch trestle needs to be built on an inverted arch excavation surface to communicate the excavation surface at the front end of the tunnel with a filling surface channel at the rear end of the tunnel, wherein the filling surface is a term of concrete construction of the inverted arch, and the inverted arch trestle enables the tunnel excavation to be outwards discharged slag and materials to be transported into the hole without being influenced by the inverted arch construction, so that the continuous and simultaneous implementation of the inverted arch concrete construction and the tunnel excavation is ensured.
Most of the existing self-propelled hydraulic inverted arch trestles are provided with a multifunctional automatic walking device, a front support, a rear transverse moving mechanism and a hydraulic self-balancing system, can realize automatic longitudinal moving, lifting descending and automatic transverse moving, has high automation degree, and can adapt to various construction working conditions.
However, there is still the weak point when using in current self-propelled hydraulic pressure invert trestle, and current self-propelled hydraulic pressure invert trestle lacks operation face width adjusting device, because the landing stage mechanism as the operation face is mostly with support member fixed connection on the support frame for self-propelled hydraulic pressure invert trestle can not carry out the width control of operation face as the demand, thereby has reduced self-propelled hydraulic pressure invert trestle's result of use.
Disclosure of Invention
The invention aims to solve the problem that a self-propelled hydraulic inverted arch trestle cannot complete width adjustment, and provides a working surface width adjusting device of the self-propelled hydraulic inverted arch trestle.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a self-propelled hydraulic pressure invert landing stage working face width adjusting device, includes the support frame, support frame longitudinal end fixed mounting has the support member, the support member top is provided with landing stage mechanism, landing stage mechanism is including first landing stage board and second landing stage board, first landing stage board and the equal fixed mounting in second landing stage board bottom have with support member sliding connection's slip cap, first threaded rod and second threaded rod are worn to be equipped with respectively to first landing stage board and the longitudinal end of second landing stage board, first threaded rod and the outer table wall of second threaded rod all are provided with two sets of screw thread section, and two sets of screw thread section lines are opposite, the outer table wall fixed mounting of support frame has the motor, the motor output end rotates with first threaded rod to be connected, just be connected through the transport mechanism transmission between first threaded rod and the second threaded rod.
As a further description of the above technical solution:
the outer surface walls of the first threaded rod and the second threaded rod are respectively sleeved with a supporting sleeve, a fixing rod fixedly connected with the supporting frame is welded at the bottom of the supporting sleeve, and the inner cavity of the supporting sleeve is elastically connected with a positioning lug through a spring.
As a further description of the above technical solution:
the linkage mechanism is arranged between the first trestle plate and the second trestle plate and comprises a second connecting rod and two first connecting rods rotatably connected to the two ends of the second connecting rod, and the two first connecting rods are rotatably connected with the first trestle plate and the second trestle plate respectively.
As a further description of the above technical solution:
and a dust cover is fixedly arranged on the outer surface wall of the motor.
As a further description of the above technical solution:
the one end that the motor was kept away from to first threaded rod rotates with the support frame to be connected, the vertical end both sides of second threaded rod all rotate with the support frame to be connected.
As a further description of the above technical solution:
the springs and the positioning lugs are all provided with a plurality of groups, and the plurality of groups of springs and the positioning lugs are distributed annularly.
As a further description of the above technical solution:
the outer surface wall of the spring is tightly attached to the support sleeve.
As a further description of the above technical solution:
the linkage mechanism is of a Z-shaped structure, and the second connecting rod is horizontally arranged.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the self-propelled hydraulic inverted arch trestle, the output end of the motor drives the first threaded rod to rotate, the first threaded rod drives the second threaded rod to synchronously rotate through the transmission mechanism, the first threaded rod and the second threaded rod rotate to drive the first trestle plate and the second trestle plate to move, and under the action of different thread sections on the first threaded rod and the second threaded rod, the first trestle plate and the second trestle plate can move relatively to change the width between the first trestle plate and the second trestle plate, so that the width adjustment of the self-propelled hydraulic inverted arch trestle is realized, and the application range of the self-propelled hydraulic inverted arch trestle is expanded.
2. According to the invention, when the first threaded rod and the second threaded rod are stressed to deviate, the spring in the inner cavity of the supporting sleeve is extruded through the positioning lug, and the spring can reversely support the first threaded rod and the second threaded rod through the positioning lug under the action of elastic potential energy of the spring, so that the fatigue resistance of the first threaded rod and the second threaded rod is increased, the first threaded rod and the second threaded rod are prevented from being deformed due to long-term stress, the normal adjustment of the width of the trestle mechanism is further influenced, and the service life of the self-propelled hydraulic inverted arch trestle working surface width adjusting device is prolonged.
3. According to the invention, when the width of the first trestle plate and the width of the second trestle plate are changed, the linkage mechanism which is rotatably connected between the first trestle plate and the second trestle plate can synchronously move, and the first connecting rod and the second connecting rod can relatively rotate to ensure that the first trestle plate and the second trestle plate can move in parallel, so that the adjustment accuracy of the self-propelled hydraulic inverted arch trestle operation surface width adjusting device is improved.
4. According to the invention, the dust cover fixedly installed on the outer surface wall of the motor is used for preventing dust in the external environment from invading into the motor to damage the motor when the self-propelled hydraulic inverted arch trestle working surface width adjusting device works, so that the stability of the self-propelled hydraulic inverted arch trestle working surface width adjusting device in use is ensured.
Drawings
FIG. 1 is a schematic view of the overall mechanism of the present invention;
FIG. 2 is a schematic view of the first and second threaded rods of the present invention;
FIG. 3 is a schematic structural view of a support sleeve and a fixing rod according to the present invention;
FIG. 4 is a schematic view of the structure at A in the present invention;
FIG. 5 is a schematic view of the structure at B in the present invention.
Illustration of the drawings:
1. a support frame; 2. supporting the rod member; 3. a trestle mechanism; 301. a first bridge deck; 302. a second bridge deck; 4. fixing the rod; 5. a sliding sleeve; 6. a first threaded rod; 7. a support sleeve; 8. a second threaded rod; 9. a motor; 10. a dust cover; 11. a transport mechanism; 13. a spring; 14. positioning the bump; 15. a linkage mechanism; 1501. a first link; 1502. a second link.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-5, a self-propelled hydraulic invert trestle working face width adjusting device comprises a support frame 1, a support rod 2 is fixedly installed at the longitudinal end of the support frame 1, a trestle mechanism 3 is arranged above the support rod 2, the trestle mechanism 3 comprises a first trestle plate 301 and a second trestle plate 302, sliding sleeves 5 connected with the support rod 2 in a sliding manner are fixedly installed at the bottoms of the first trestle plate 301 and the second trestle plate 302, a first threaded rod 6 and a second threaded rod 8 are respectively arranged at the longitudinal ends of the first trestle plate 301 and the second trestle plate 302 in a penetrating manner, two sets of threaded sections are respectively arranged on the outer surface walls of the first threaded rod 6 and the second threaded rod 8, the two sets of threaded sections have opposite textures, a motor 9 is fixedly installed on the outer surface wall of the support frame 1, the output end of the motor 9 is rotatably connected with the first threaded rod 6, and the first threaded rod 6 is in transmission connection with the second threaded rod, 9 exterior wall fixed mounting of motor has dust cover 10, the design of dust cover 10, the dust of having avoided external environment invades in motor 9 and leads to motor 9 to damage, motor 9 output drives first threaded rod 6 and rotates, and first threaded rod 6 then drives 8 synchronous rotations of second threaded rod through transport mechanism 11, under the effect in different screw thread sections on through first threaded rod 6 and second threaded rod 8, relative motion can take place for first landing stage board 301 and second landing stage board 302, make the width between first landing stage board 301 and the second landing stage board 302 change, thereby realize the width regulation of self-propelled hydraulic pressure invert landing stage, the application scope of self-propelled hydraulic pressure invert landing stage is improved.
The difference from the first embodiment is that:
example two:
referring to fig. 1 and 4, the outer surface walls of the first threaded rod 6 and the second threaded rod 8 are sleeved with the supporting sleeve 7, the bottom of the supporting sleeve 7 is welded with a fixed rod 4 fixedly connected with the supporting frame 1, the inner cavity of the supporting sleeve 7 is elastically connected with a positioning lug 14 through a spring 13, the spring 13 and the positioning lug 14 are respectively provided with a plurality of groups, and a plurality of groups of springs 13 and the positioning convex blocks 14 are distributed in a ring shape, the outer surface wall of the springs 13 is tightly attached to the supporting sleeve 7, when the first threaded rod 6 and the second threaded rod 8 are stressed to deflect, the spring 13 in the cavity of the support sleeve 7 is pressed by the positioning lug 14, and the spring 13 can reversely support the first threaded rod 6 and the second threaded rod 8 through the positioning lug 14 under the action of the elastic potential energy of the spring, so that the fatigue resistance of the first threaded rod 6 and the second threaded rod 8 is increased, and the first threaded rod 6 and the second threaded rod 8 are prevented from being deformed due to long-term stress.
The difference from the first embodiment is that:
example three:
referring to fig. 2 and 5, a linkage mechanism 15 is disposed between the first trestle plate 301 and the second trestle plate 302, the linkage mechanism 15 includes a second connecting rod 1502 and two first connecting rods 1501 rotatably connected to two ends of the second connecting rod 1502, the two first connecting rods 1501 are rotatably connected to the first trestle plate 301 and the second trestle plate 302, the linkage mechanism 15 is Z-shaped, the second connecting rod 1502 is horizontally disposed, when the widths of the first trestle plate 301 and the second trestle plate 302 change, the linkage mechanism 15 rotatably connected between the first trestle plate 301 and the second trestle plate 302 moves synchronously, the first connecting rod 1501 and the second connecting rod 1502 rotate relatively to ensure that the first trestle plate 301 and the second trestle plate 302 move in parallel, thereby improving the accuracy of adjustment of the self-propelled hydraulic invert trestle working surface width adjusting device.
The working principle is as follows: when the self-propelled hydraulic inverted arch trestle is used, the output end of the motor 9 drives the first threaded rod 6 to rotate, the first threaded rod 6 drives the second threaded rod 8 to synchronously rotate through the transmission mechanism 11, the first threaded rod 6 and the second threaded rod 8 rotate, the first trestle plate 301 and the second trestle plate 302 are driven to move through external threads, under the action of different thread sections on the first threaded rod 6 and the second threaded rod 8, the first trestle plate 301 and the second trestle plate 302 can relatively move, the width between the first trestle plate 301 and the second trestle plate 302 is changed, the width adjustment of the self-propelled hydraulic inverted arch trestle is realized, the application range of the self-propelled hydraulic inverted arch trestle is improved, when the first threaded rod 6 and the second threaded rod 8 are stressed to deviate, the spring 13 in the inner cavity of the supporting sleeve 7 is extruded through the positioning lug 14, and the spring 13 can reversely support the first threaded rod 6 and the second threaded rod 8 through the positioning lug 14 under the action of the self elastic potential energy, the fatigue resistance degree of the first threaded rod 6 and the second threaded rod 8 is increased, the first threaded rod 6 and the second threaded rod 8 are prevented from being deformed due to long-term stress, and the normal adjustment of the width of the trestle mechanism 3 is further influenced, so that the service life of the self-propelled hydraulic inverted arch trestle working face width adjusting device is prolonged, when the width of the first trestle plate 301 and the second trestle plate 302 is changed, the linkage mechanism 15 which is rotatably connected between the first trestle plate 301 and the second trestle plate 302 can synchronously move, the first connecting rod 1501 and the second connecting rod 1502 can relatively rotate to ensure that the first trestle plate 301 and the second trestle plate 302 can move in parallel, so that the adjustment accuracy of the self-propelled hydraulic inverted arch trestle working face width adjusting device is improved, and the self-propelled hydraulic inverted arch trestle working face width adjusting device is prevented from working through the dust cover 10 fixedly installed on the outer surface wall of the motor 9, dust in the external environment invades into the motor 9 to cause the motor 9 to be damaged, thereby ensuring the use stability of the self-propelled hydraulic inverted arch trestle working surface width adjusting device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A self-propelled hydraulic inverted arch trestle operation surface width adjusting device comprises a support frame (1) and is characterized in that a support rod member (2) is fixedly mounted at the longitudinal end of the support frame (1), a trestle mechanism (3) is arranged above the support rod member (2), the trestle mechanism (3) comprises a first trestle plate (301) and a second trestle plate (302), sliding sleeves (5) which are in sliding connection with the support rod member (2) are fixedly mounted at the bottoms of the first trestle plate (301) and the second trestle plate (302), a first threaded rod (6) and a second threaded rod (8) are respectively arranged at the longitudinal ends of the first trestle plate (301) and the second trestle plate (302) in a penetrating manner, two thread sections are arranged on the outer surface walls of the first threaded rod (6) and the second threaded rod (8) and are opposite to each other, a motor (9) is fixedly mounted on the outer surface wall of the support frame (1), the output end of the motor (9) is rotationally connected with the first threaded rod (6), and the first threaded rod (6) is in transmission connection with the second threaded rod (8) through a transmission mechanism (11).
2. The self-propelled hydraulic invert trestle working face width adjusting device according to claim 1, characterized in that the outer surface wall of the first threaded rod (6) and the outer surface wall of the second threaded rod (8) are sleeved with a support sleeve (7), a fixing rod (4) fixedly connected with the support frame (1) is welded at the bottom of the support sleeve (7), and the inner cavity of the support sleeve (7) is elastically connected with a positioning lug (14) through a spring (13).
3. The self-propelled hydraulic invert trestle working face width adjusting device according to claim 1, characterized in that a linkage mechanism (15) is arranged between the first trestle plate (301) and the second trestle plate (302), the linkage mechanism (15) comprises a second connecting rod (1502) and two first connecting rods (1501) rotatably connected with two ends of the second connecting rod (1502), and the two first connecting rods (1501) are respectively rotatably connected with the first trestle plate (301) and the second trestle plate (302).
4. The self-propelled hydraulic invert trestle working surface width adjusting device according to claim 1, characterized in that the dust cover (10) is fixedly installed on the outer surface wall of the motor (9).
5. The self-propelled hydraulic invert trestle working surface width adjusting device according to claim 1, characterized in that the end of the first threaded rod (6) far away from the motor (9) is rotatably connected with the support frame (1), and both sides of the longitudinal end of the second threaded rod (8) are rotatably connected with the support frame (1).
6. The self-propelled hydraulic invert trestle working surface width adjusting device according to claim 2, characterized in that the springs (13) and the positioning projections (14) are provided in multiple sets, and the multiple sets of springs (13) and the positioning projections (14) are distributed annularly.
7. A self-propelled hydraulic invert trestle working surface width adjusting device according to claim 2, characterized in that the outer surface wall of the spring (13) is tightly attached to the support sleeve (7).
8. A self-propelled hydraulic invert trestle working surface width adjusting device according to claim 3, characterized in that the linkage mechanism (15) is Z-shaped and the second connecting rod (1502) is horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911205623.1A CN110778338A (en) | 2019-11-29 | 2019-11-29 | Self-propelled hydraulic pressure invert landing stage operation face width adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911205623.1A CN110778338A (en) | 2019-11-29 | 2019-11-29 | Self-propelled hydraulic pressure invert landing stage operation face width adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110778338A true CN110778338A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911205623.1A Pending CN110778338A (en) | 2019-11-29 | 2019-11-29 | Self-propelled hydraulic pressure invert landing stage operation face width adjusting device |
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| CN (1) | CN110778338A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089453A (en) * | 2021-04-09 | 2021-07-09 | 中铁三局集团有限公司 | Inverted arch trestle capable of being freely adjusted |
-
2019
- 2019-11-29 CN CN201911205623.1A patent/CN110778338A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089453A (en) * | 2021-04-09 | 2021-07-09 | 中铁三局集团有限公司 | Inverted arch trestle capable of being freely adjusted |
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