CN214737416U - A prefabricated T roof beam erects sideslip device for bridge tunnel links up construction - Google Patents
A prefabricated T roof beam erects sideslip device for bridge tunnel links up construction Download PDFInfo
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- CN214737416U CN214737416U CN202120063482.0U CN202120063482U CN214737416U CN 214737416 U CN214737416 U CN 214737416U CN 202120063482 U CN202120063482 U CN 202120063482U CN 214737416 U CN214737416 U CN 214737416U
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Abstract
The utility model discloses a prefabricated T-beam erecting and traversing device for bridge and tunnel joining construction, which comprises a slide way, a slide block and a traversing jack, wherein the slide way is arranged on a bent cap on a pier top of a T-beam in a first hole of a tunnel portal, and a friction pair is laid on the top surface; the sliding block comprises a bottom plate, a first vertical plate is arranged at one end of the bottom plate, a second vertical plate and a third vertical plate are arranged in the middle of the bottom plate at intervals, the distance between the first vertical plate and the second vertical plate is matched with the lower flange of the prefabricated T-beam, and the distance between the second vertical plate and the third vertical plate is matched with the span of a mid-span or an edge distance; and the transverse moving jack is used for applying jacking force to enable the sliding block to drive the prefabricated T-shaped beam to move transversely along the slide way. The utility model discloses, when being used for the width of bridge obviously to be greater than the tunnel width, can make left and right roof beam sideslip to design position through the sideslip jack on the centre sill position is at first arranged in respectively to left and right roof beam, therefore need not widen tunnel hole, reduce construction cost, improve the efficiency of construction.
Description
Technical Field
The utility model relates to a tunnel and bridge technical field, concretely relates to a prefabricated T roof beam erects sideslip device for bridge and tunnel links up construction.
Background
The expressway is a mark of the national modernization degree, is the embodiment of the national comprehensive national strength, and the construction and operation of the expressway relate to various aspects of national economy and social life.
Firstly, the construction and operation of the highway can attract a large number of industries to select sites along the line, and a factory building and a construction base are built; moreover, the method expands the range of activities of people, promotes the economic and cultural communication between the satellite town formation and the urban and rural areas, relieves traffic pressure and adjusts the urban layout. Therefore, the development of highways can affect the urban mass spatial structure evolution.
And secondly, by the development of the expressway, the development of industry is promoted to drive the third industry to grow prosperous and well-developed, the employment opportunity and income are increased, the automobile consumption is increased, and the life quality of people is improved.
Thirdly, the highway improves the transportation structure, improves the port collecting and distributing capacity, shunts the railway pressure and is beneficial to forming a comprehensive transportation network system.
At present, the total mileage of the expressway in China is the first place in the world, and the expressway construction gradually extends to mountainous areas, so the bridge-tunnel ratio in the expressway construction is increased sharply, and the condition that a tunnel is directly connected with a bridge or a roadbed between tunnel bridges is short often exists. Because the emergency lane is arranged on the bridge and the tunnel is not arranged, the width of the bridge is obviously larger than that of the tunnel, and therefore, the bridge plate at the tunnel opening is difficult to realize by adopting the traditional bridge abutment erection method.
For this reason, chinese patent CN111270615A discloses a tunnel widening structure and a bridge construction method for bridge-tunnel connection parts, which excavates a tunnel exit main tunnel by a method of annularly excavating reserved core soil, so that the width of a tunnel entrance section is greater than the width of a tunnel main body section; performing abutment construction in the tunnel outlet main tunnel; carrying out backfill construction on the abutment back of the abutment after the abutment construction is finished; installing a bridge girder erection machine on the abutment back; carrying out girder piece erection construction on the tunnel portal section through the bridge girder erection machine; and carrying out modular construction and secondary lining construction after the beam piece is erected. This scheme expands width to tunnel export bridge tunnel linking position, and the clear width of widen structural cross-section and tunnel emergency parking area building limit is unanimous to satisfy bridge tunnel linking and two guide beam frame bridge machine frame roof beam construction, can synthesize simultaneously and can utilize two lining template dollies in the emergency parking area to be under construction the entrance to a cave lining, reduce the expense that the template modification produced. However, this solution has the following drawbacks:
(1) the scheme has the advantages that the widening construction for the tunnel connection part of the tunnel exit bridge is large in construction amount, high in construction cost and long in construction period;
(2) the increase of the construction amount leads to the increase of potential safety hazards in the construction process.
In view of this, it is urgently needed to improve the existing method for erecting the beam slab for the bridge-tunnel connection construction at the tunnel portal, and to provide a construction device, so as to simplify the process for erecting the beam slab for the bridge-tunnel connection at the tunnel portal, reduce the construction cost, and improve the construction efficiency.
SUMMERY OF THE UTILITY MODEL
To the above defect, the utility model aims to solve the technical problem that a prefabricated T roof beam erects sideslip device for bridge and tunnel links up construction is provided to solve current tunnel portal bridge and tunnel and link up construction beam slab and erect the method, the construction volume is big, and the cost is high, and the period is long, the many problems of potential safety hazard.
Therefore, the utility model provides a prefabricated T roof beam erects sideslip device for bridge tunnel links up construction, include:
the slideway is arranged on a cover beam on the pier top of a first hole T beam of the tunnel portal, and a friction pair is paved on the top surface of the slideway;
the sliding block comprises a bottom plate, the bottom plate is arranged on the friction pair, a first vertical plate is arranged at one end of the bottom plate, a second vertical plate and a third vertical plate are arranged in the middle of the bottom plate at intervals, the distance between the first vertical plate and the second vertical plate is matched with the lower flange of the prefabricated T-beam, and the distance between the second vertical plate and the third vertical plate is matched with the span of the midspan or the edge distance;
and one end of the transverse jack is abutted against the counter-force seat on the cover beam, and the other end of the transverse jack is abutted against the outer end face of the first vertical plate through a push rod and is used for applying jacking force to enable the sliding block to drive the prefabricated T-shaped beam to transversely move along the slide way.
In the above technical solution, preferably, the bottom surface of the bottom plate is provided with a plurality of limit stops for matching with the support of the prefabricated T-beam and limiting the moving position of the sliding block.
In the above technical solution, preferably, a medium sand leveling layer is laid between the slide way and the capping beam on the pier top.
In the above technical solution, preferably, two sides of the medium sand leveling layer are provided with mortar belts.
In the above technical solution, preferably, the capping beam on the pier top is implanted with an anchoring steel bar, and the chute is fixed with the capping beam through the anchoring steel bar.
In the above technical solution, preferably, the slideway is formed by welding a first i-beam and a second i-beam, an upper cover plate and a lower cover plate, which are longitudinally arranged at intervals.
In the above technical solution, preferably, the limit stoppers are symmetrically arranged on both sides of the bottom surface of the bottom plate.
In the above technical solution, preferably, the friction pair is composed of a stainless steel plate, a tetrafluoro plate and an asbestos plate in sequence from top to bottom.
In the above technical solution, preferably, two baffles are oppositely arranged on the outer end face of the first vertical plate, and a gap between the two baffles can be used for the ejector rod of the traversing jack to come in and go out.
In the above technical solution, preferably, a hardwood mat is disposed between the base of the traverse jack and the reaction seat on the bent cap.
According to the above technical scheme, the utility model provides a prefabricated T roof beam erects sideslip device for bridge tunnel links up construction for when the width of bridge obviously is greater than the tunnel width, tunnel portal bridge tunnel links up the construction, simplifies tunnel portal bridge tunnel and links up beam slab and erects technology, reduces construction cost, improves the efficiency of construction. Compared with the prior art, the utility model discloses following beneficial effect has:
firstly, the left and right side beams can be respectively placed on the middle beam position during construction, and the left and right side beams are transversely moved to the designed position through the transverse moving jack, so that the tunnel hole does not need to be widened, the construction cost is reduced, and the construction efficiency is improved.
Secondly, be in the utility model discloses an in the preferred scheme, be equipped with a plurality of limit stop on the bottom surface of bottom plate for with the support phase-match of prefabricated T roof beam, limit slide's shift position. Therefore, the sliding moving position can be conveniently controlled, and the prefabricated T-shaped beam is fast and accurate to locate.
Thirdly, in another preferred aspect of the present invention, a middle sand leveling layer is laid between the slide and the capping beam on the top of the pier, and both sides of the middle sand leveling layer are provided with mortar belts. After the prefabricated T-shaped beam falls to a position, mortar belts can be arranged on two sides of the middle sand leveling layer to prevent the bottom of the slideway from being empty, and after the beam body is erected and the system conversion is completed, gravel in the middle sand cushion layer is drawn out to complete the beam falling. Effectively ensuring the construction quality and the construction safety.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly described and explained below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the arrangement of a chute according to embodiment 1 in FIG. 2;
FIG. 3 is an enlarged view of section E of FIG. 1;
FIG. 4 is an enlarged view of portion F of FIG. 2;
FIG. 5 is a schematic view of a slider structure according to embodiment 1;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
fig. 7 is a schematic view of a slide structure according to embodiment 2 of the present invention;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;
FIG. 9 is a schematic view of a step of erecting a beam slab according to the present invention;
FIG. 10 is a schematic view of a second step of erecting a beam slab according to the present invention;
FIG. 11 is a schematic view of a third step of erecting a beam slab according to the present invention;
FIG. 12 is a diagram illustrating a fourth step of erecting a beam slab according to the present invention;
FIG. 13 is a schematic view showing a fifth step of erecting a beam slab according to the present invention;
fig. 14 is a six-step schematic view of the girder erection by the present invention.
In fig. 1 to 14, the correspondence between the components is as follows:
the device comprises a slideway 10, a sliding block 20, a transverse moving jack 30, a cover beam 40, a friction pair 50, a reaction seat 61, a hardwood shoveling pad 71, a medium sand leveling layer 70, a mortar belt 80 and a support 90;
a first I-beam 11, a second I-beam 12, an upper cover plate 13, a lower cover plate 14, a first plate 15, a second plate 16;
the bottom plate 21, the first vertical plate 22, the second vertical plate 23, the third vertical plate 24, the limit stop 25, the baffle 26 and the third plate 27;
a push rod 51;
a left center sill 81, a right center sill 82, a left side sill 83, a left secondary side sill 84, a right side sill 85, and a right secondary side sill 86.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, under the premise that the person skilled in the art does not make creative work, all other embodiments obtained belong to the protection scope of the present invention.
The utility model discloses an implementation principle is:
the method comprises the steps of arranging a slide way on a cover beam on a pier top of a first hole T beam of a tunnel portal, arranging a slide block at a midspan position on the slide way, placing a side span prefabricated T beam on the slide block, applying a top thrust by using a sideslip jack, enabling the slide block to move on the slide way, driving the side span to transversely move from the midspan position to a side span design position, and erecting a beam slab of the tunnel portal.
The utility model provides a scheme has solved the tunnel portal because the restriction of tunnel width, and the boundary beam can't erect the problem that targets in place, has simplified construction process for the efficiency of construction, reduced construction safety risk.
Specifically, the utility model provides a prefabricated T roof beam erects sideslip device for bridge tunnel links up construction, include:
the slideway is arranged on a cover beam on the pier top of a T-shaped beam at the head hole of the tunnel hole, and a friction pair is paved on the top surface of the slideway;
the sliding block comprises a bottom plate, the bottom plate is arranged on the friction pair, a first vertical plate is arranged at one end of the bottom plate, a second vertical plate and a third vertical plate are arranged in the middle of the bottom plate at intervals, the distance between the first vertical plate and the second vertical plate is matched with the lower flange of the prefabricated T-beam, and the distance between the second vertical plate and the third vertical plate is matched with the span of the midspan or the edge distance of the prefabricated T-beam;
and one end of the transverse jack is abutted against the counter-force seat on the cover beam, and the other end of the transverse jack is abutted against the outer end face of the first vertical plate through a push rod and is used for applying a jacking force to enable the sliding block to push the prefabricated T beam to transversely move along the slide way.
In order to explain and explain the technical solution and implementation of the present invention more clearly, several preferred embodiments for implementing the technical solution of the present invention are introduced below.
It should be noted that the terms of orientation such as "inside, outside", "front, back" and "left and right" are used herein as reference objects, and it is obvious that the use of the corresponding terms of orientation does not limit the scope of protection of the present invention.
Example 1.
Referring to fig. 1, 2 and 3, fig. 1 is a schematic structural view of a prefabricated T-beam erection traversing device for bridge-tunnel junction construction according to embodiment 1, fig. 2 is a schematic layout view of the prefabricated T-beam erection traversing device for bridge-tunnel junction construction according to embodiment 1, and fig. 3 is an enlarged view of a portion E in fig. 1.
As shown in fig. 1, 2 and 3, the prefabricated T-beam erection traversing device for bridge-tunnel junction construction provided in this embodiment 1 includes a slideway 10, a sliding block 20 and a traversing jack 30.
The slideway 10 is arranged on a cover beam 40 on the pier top of a T-beam of a first hole of a tunnel portal, the slideway 10 is used for forming a track for lateral movement of a side-span prefabricated T-beam, a friction pair 50 is paved on the top surface of the slideway 10, and the friction pair 50 sequentially consists of a stainless steel plate, a tetrafluoro plate and an asbestos plate from top to bottom. The friction pair 50 is used for reducing the friction force when the edge-span prefabricated T-shaped beam moves transversely, and the edge-span prefabricated T-shaped beam can move smoothly on the slideway 10. The friction pair should reduce the joints as much as possible so as to facilitate the transverse movement of the beam body, and the joints must be polished smoothly when the stainless steel plates are lengthened and welded.
And (3) implanting anchoring steel bars on the capping beam 40, firmly fixing the slideway 10 and the capping beam 40, and arranging the anchoring steel bars according to 2 m/channel.
The side-span prefabricated T-shaped beam is moved by driving the sliding block 20, the sliding block 20 is placed on the friction pair 50, the side-span prefabricated T-shaped beam is placed on the sliding block 20, and the side-span prefabricated T-shaped beam is moved transversely by moving the sliding block 20.
Referring to fig. 5 and fig. 6, fig. 5 is a schematic structural diagram of a slider according to embodiment 1, and fig. 6 is a sectional view taken along a line a-a in fig. 5.
As shown in fig. 5 and 6, the sliding block 20 includes a bottom plate 21, and a first vertical plate 22, a second vertical plate 23, and a third vertical plate 24 that are disposed on the bottom plate 21, where the first vertical plate 22 is disposed at one end of the bottom plate 21, and the second vertical plate 23 and the third vertical plate 24 are disposed at the middle of the bottom plate 21 at intervals.
Taking the left side span construction shown in fig. 1 as an example, the distance between the first vertical plate 22 and the second vertical plate 23 is adapted to the bottom flange of the left side edge beam of the side span, the distance between the second vertical plate 23 and the third vertical plate 24 is adapted to the span of the side span (including the left side edge beam and the left side secondary edge beam), when the left side secondary edge beam of the side span is placed on the slider 20, the bottom flange of the left side edge beam is clamped between the first vertical plate 22 and the second vertical plate 23, the second vertical plate 23 and the third vertical plate 24 are clamped between the left side edge beam and the left side secondary edge beam, and the bottom flange of the left side secondary edge beam is placed on the bottom plate 21 outside the third vertical plate 24.
During construction of the right side edge span, the positioning of the right side edge beam and the right side secondary edge beam on the sliding block is similar to that of the left side, and the description is omitted here.
Through the first vertical plate 22, the second vertical plate 23 and the third vertical plate 24, the limitation on the side-span prefabricated T-beam is realized, the side-span prefabricated T-beam is firmly fixed on the sliding block 20, the side-span prefabricated T-beam is ensured to stably move transversely along with the sliding block 20, and the construction safety is ensured.
Referring again to fig. 1 and 5, the lateral movement of the slide 20 is achieved by the jacking force exerted by the traverse jack 30. The transverse jack 30 is a horizontal jack, the base of the transverse jack is abutted against a counter-force seat 61 arranged on the bent cap 40, and a hardwood shoveling pad 71 is arranged between the base of the transverse jack 30 and the counter-force seat on the bent cap. The push rod of the traversing jack 30 abuts against the outer end face of the first vertical plate 22 through the push rod 51, when the traversing jack 30 pushes, the push rod extends out, the pushing force applied by the push rod 51 acts on the outer end face of the first vertical plate 22, and the slide block 20 drives the edge-span prefabricated T-beam thereon to move transversely along the slide way 10.
As shown in fig. 2, the skids 10 may be arranged in plural in the cross-bridge direction and outside the supports 80 of the prefabricated T-beam. When the slideway 10 is arranged, the height of the beam bottom is ensured to be 5-10 mm higher than the height of the support top.
Above-mentioned specific embodiment 1 is the utility model discloses the basic form of scheme has realized the utility model discloses a to control the mode of sidespan prefabricated T roof beam lateral shifting, reached the beam slab frame work technology at simplification tunnel exit bridge tunnel linking position, improve the purpose of efficiency of construction and construction safety nature.
Example 2.
The embodiment 2 is a further refinement of the slideway structure based on the embodiment 1.
Referring to fig. 7 and 8, fig. 7 is a schematic view of a slide structure provided in embodiment 2, and fig. 8 is a cross-sectional view B-B in fig. 7. As shown in fig. 7 and 8, the slideway is formed by welding first and second i- beams 11 and 12, upper and lower cover plates 13 and 14, which are arranged at intervals. A plurality of first plates 15 are respectively arranged at the outer sides of the first I-beam 11 and the second I-beam 12, and a plurality of second plates 16 are respectively arranged between the first I-beam 11 and the second I-beam 12. The first panel 15 and the second panel 16 serve to increase the overall rigidity of the slide.
The slideway with the frame type structure has light weight, good strength and low manufacturing cost.
As shown in fig. 1, 3 and 4, a middle sand leveling layer 70 is arranged below the slideway 10, and mortar belts 80 are respectively arranged on two sides of the middle sand leveling layer 70 to prevent the bottom of the slideway from being empty. And after the beam body is erected and the system conversion is finished, taking out gravels in the medium sand leveling layer 70 to finish the beam falling.
Example 3.
The present embodiment 3 is a further improvement of the slider structure in the embodiment 1.
As shown in fig. 5 and 6, a plurality of limit stoppers 25 for limiting the moving position of the slider are provided on the bottom surface of the bottom plate 21. A plurality of limit stoppers 25 are symmetrically disposed at both sides of the bottom surface of the bottom plate 21 at positions corresponding to the positions of the supports 90 of the precast T-beam.
Two baffle plates 26 are oppositely arranged on the outer end face of the first vertical plate 22, and a gap between the two baffle plates 26 can be used for the ejector rod of the transverse moving jack 30 to come in and go out.
A third plate 27 is arranged between the first vertical plate 22 and the second vertical plate 23, and the third plate 27 adopts an I-shaped structure, so that the rigidity of the slider is improved, and the deformation caused by stress is prevented.
The whole sliding block is formed by welding steel plates, and the manufacturing process is simple.
The purpose of the prefabricated T-beam plate bridge-tunnel connection construction is to connect the prefabricated T-beam plate with a bridge and a tunnel, the prefabricated T-beam plate after the construction is integrally arranged as shown in figure 12, and the prefabricated T-beam plate comprises a middle beam (consisting of a left middle beam 81 and a right middle beam 82), a left side span (consisting of a left side edge beam 83 and a left side secondary edge beam 84) positioned on the left side of the middle beam, and a right side span (consisting of a right side edge beam 85 and a right side secondary edge beam 86) positioned on the right side of the middle beam.
Use the utility model provides a prefabricated T roof beam erects sideslip device for bridge tunnel links up construction, carries out the method that bridge tunnel links up construction at the tunnel portal as follows:
step one, arranging a sliding pair on a cover beam at the top of the pier, erecting a right side edge beam 85 and a right side secondary edge beam 86 at the middle beam position, and connecting the right side edge beam 85 and the right side secondary edge beam 86 into a whole through a connecting system, as shown in fig. 9.
And secondly, pushing the sliding block by using a traversing jack, and traversing the right side edge beam 85 and the right side secondary edge beam 86 to a designed position, as shown in fig. 10. When the beam body moves transversely, the two ends of the beam body must be ensured to be synchronous.
Step three, arranging the left side edge beam 83 and the left side secondary edge beam 84 at the middle beam position according to the step one method, as shown in fig. 11.
Step four: the left side beam 83 and the left side secondary beam 84 are moved laterally to the design position by pushing the slider with the lateral moving jack, as shown in fig. 12.
Step five: the right center sill 82 is erected at the design location as shown in fig. 13.
Step six: the left center sill 81 is erected at the design position as shown in fig. 14.
Synthesize the description of above specific embodiment, utilize the utility model provides a prefabricated T roof beam erects sideslip device for bridge tunnel links up construction carries out bridge tunnel at the tunnel portal and links up the construction and have following advantage:
firstly, the problem that the tunnel portal beam plate is difficult to erect by adopting a traditional method when the width of the bridge is obviously larger than that of the tunnel is solved.
Secondly, construction process is simple, and is efficient for the construction progress has improved construction safety.
And thirdly, the prefabricated T beam erecting and traversing device for bridge and tunnel connection construction is simple in structure and low in manufacturing cost.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.
Claims (10)
1. The utility model provides a prefabricated T beam erection traversing device for bridge tunnel links up construction which characterized in that includes:
the slideway is arranged on a cover beam on the pier top of a T-shaped beam at the head hole of the tunnel hole, and a friction pair is paved on the top surface of the slideway;
the sliding block comprises a bottom plate, the bottom plate is arranged on the friction pair, a first vertical plate is arranged at one end of the bottom plate, a second vertical plate and a third vertical plate are arranged in the middle of the bottom plate at intervals, the distance between the first vertical plate and the second vertical plate is matched with the lower flange of the prefabricated T-beam, and the distance between the second vertical plate and the third vertical plate is matched with the span of the midspan or the edge distance;
and one end of the transverse jack is abutted against the counter-force seat on the cover beam, and the other end of the transverse jack is abutted against the outer end face of the first vertical plate through a push rod and is used for applying jacking force to enable the sliding block to drive the prefabricated T-shaped beam to transversely move along the slide way.
2. The prefabricated T-beam erection traversing device for bridge and tunnel junction construction as claimed in claim 1, wherein a plurality of limit stops are provided on the bottom surface of the bottom plate for matching with the support of the prefabricated T-beam to limit the moving position of the sliding block.
3. The prefabricated T-beam installed traversing device for bridge-tunnel junction construction according to claim 1, wherein a medium sand leveling layer is laid between the slide way and the capping beam on the pier top.
4. The prefabricated T-beam installed traversing device for bridge-tunnel junction construction according to claim 3, wherein mortar belts are arranged on two sides of the middle sand leveling layer.
5. The prefabricated T-beam installed traversing device for bridge-tunnel junction construction according to claim 1, wherein the capping beam on the pier top is implanted with anchoring steel bars, and the slide way is fixed with the capping beam through the anchoring steel bars.
6. The prefabricated T-beam erection traversing device for bridge and tunnel junction construction according to claim 1, wherein the slideway is formed by welding a first I-beam and a second I-beam which are longitudinally arranged at intervals, an upper cover plate and a lower cover plate.
7. The prefabricated T-beam installed traversing device for bridge-tunnel junction construction according to claim 2, wherein the plurality of limit stoppers are symmetrically arranged at both sides of the bottom surface of the bottom plate.
8. The prefabricated T-beam erection and traversing device for bridge and tunnel junction construction according to claim 1, wherein the friction pair sequentially consists of a stainless steel plate, a tetrafluoro plate and an asbestos plate from top to bottom.
9. The prefabricated T-beam erection traversing device for bridge and tunnel junction construction as claimed in claim 1, wherein two baffles are oppositely arranged on the outer end face of the first vertical plate, and a gap between the two baffles can be used for the ejector rod of the traversing jack to come in and go out.
10. The prefabricated T-beam erection traversing device for bridge and tunnel junction construction as claimed in claim 1, wherein a hardwood mat is arranged between the base of the traversing jack and the counter-force seat on the capping beam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120063482.0U CN214737416U (en) | 2021-01-11 | 2021-01-11 | A prefabricated T roof beam erects sideslip device for bridge tunnel links up construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120063482.0U CN214737416U (en) | 2021-01-11 | 2021-01-11 | A prefabricated T roof beam erects sideslip device for bridge tunnel links up construction |
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| CN214737416U true CN214737416U (en) | 2021-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114045755A (en) * | 2021-11-23 | 2022-02-15 | 中铁七局集团有限公司 | Auxiliary trolley machine construction method for small clearance frame beam construction |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114045755A (en) * | 2021-11-23 | 2022-02-15 | 中铁七局集团有限公司 | Auxiliary trolley machine construction method for small clearance frame beam construction |
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