Telescopic part of landscape bridge and construction method of landscape bridge

Abstract

The invention discloses a landscape bridge telescopic part and a construction method thereof.The landscape bridge telescopic part comprises two correspondingly-arranged connecting plates, fixing steel bars are arranged on the outer sides of the connecting plates, sliding grooves are formed in the tops of the inner sides of the connecting plates, telescopic grooves are formed in the inner walls of the sliding grooves, telescopic parts are arranged in the sliding grooves, and the telescopic parts are arranged in the telescopic parts. One end of the telescopic piece extends into the telescopic groove, a compression spring is installed in the telescopic groove, and a V-shaped elastic steel plate is movably installed at the bottom of the inner side of the connecting plate through an installation groove. By arranging the staggered and intersected telescopic plates in the telescopic piece, when the prefabricated bridge plates are staggered up and down, the telescopic plates can move up and down along with the prefabricated bridge plates to be staggered, and the situation that the telescopic piece is deformed and damaged due to dislocation of the prefabricated bridge plates is avoided; the gap of the bridge telescopic piece is filled with the neutral silica gel, so that the bridge telescopic piece and the prefabricated bridge plate are located on the same horizontal plane, a vehicle is more stable when passing through the bridge telescopic piece, and bumping of the vehicle is avoided.

Description

Technical Field

[0001] The invention relates to the field of bridges, and in particular to a landscape bridge telescopic member and a construction method thereof. Background Art

[0002] Under normal use, bridge structures may experience bridge deck deformation due to temperature, load changes, or concrete creep, etc. Therefore, bridge expansion joints are set between the two ends of the bridge, between the bridge and the abutment, or at the hinged position of the bridge, and bridge expansion devices are installed on the bridge expansion joints to meet the needs of bridge deformation and ensure driving safety and comfort as well as the safety of the bridge structure.

[0003] However, the existing telescopic parts of bridges are too simple in structure and have the following problems when used: 1. When the bridge is vertically dislocated, the traditional telescopic parts of bridges cannot adapt to the dislocation, causing damage to the telescopic parts; 2. The telescopic parts of bridges are not parallel to the bridge deck, and vehicles will experience obvious bumps when passing through the telescopic parts, and pedestrians are at risk of falling. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a bridge telescopic member and a construction method thereof to solve the problems that the existing bridge telescopic members cannot adapt to upward and downward displacement, are not parallel to the bridge deck, and vehicles or pedestrians experience obvious bumps when passing through the telescopic members.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A telescopic member for a landscape bridge comprises two correspondingly arranged connecting plates, wherein fixed steel bars are arranged on the outer sides of the connecting plates, a sliding groove is arranged on the inner top of the connecting plates, a telescopic groove is arranged on the inner wall of the sliding groove, a telescopic member is arranged in the sliding groove, one end of the telescopic member extends into the telescopic groove, a compression spring is installed in the telescopic groove, and a V-shaped elastic steel plate is movably installed on the inner bottom of the connecting plate through the installation groove.

[0007] Preferably, a mounting portion is provided on the inner top of the connecting plate, and the sliding groove is opened on the inner side of the mounting portion.

[0008] Preferably, the telescopic member includes two correspondingly arranged telescopic plates, the telescopic plates are closely attached to the bottom of the sliding groove, and horizontal movable plates are arranged on the opposite backs of the two telescopic plates, and the movable plates extend into the telescopic groove. With such arrangement, the sliding groove is used to limit and guide the telescopic plates, and the telescopic groove is used to limit and guide the movable plates, so that the two telescopic plates can be accurately docked together.

[0009] Preferably, the facing surfaces of the telescopic plates are provided with staggered and intersecting teeth. By providing the staggered teeth, the two telescopic plates are more closely connected and the telescopic plates are prevented from being misaligned in the horizontal direction.

[0010] Preferably, the telescopic plate is provided with a plurality of seepage holes, which can filter and discharge rainwater on the bridge deck, discharge rainwater on the bridge deck in time, and avoid water accumulation on the bridge deck.

[0011] Preferably, the mounting groove is a box-shaped structure with an inner side and a bottom opening, and the mounting groove is vertically arranged, first positioning holes are opened on both sides of the interior of the mounting groove, and a blocking block is arranged at the bottom of the mounting groove.

[0012] Preferably, mounting blocks that slide in cooperation with the mounting groove are provided at both ends of the elastic steel plate, and second positioning holes that correspond to and cooperate with the first positioning holes are provided on the mounting blocks. With such a configuration, the mounting blocks can be fixedly installed in the mounting grooves by bolts that cooperate with the first positioning holes and the second positioning holes, thereby installing the elastic steel plate between the two connecting plates.

[0013] A construction method for a park landscape bridge is applied to the above-mentioned bridge expansion member, and the construction method comprises the following steps:

[0014] S1. Casting the cap: Casting the cap by concrete at the pre-installation position of the pier according to the construction drawings, and casting the cap into the shape of a cup-mouth groove;

[0015] S2. Install the bridge piers. After the cap is completely solidified, insert the prefabricated bridge piers into the cup-shaped cap by hoisting, fix them with hard wedges and diagonal braces, and pour concrete in the gap between the cap and the bridge piers. After the concrete is completely solidified, remove the hard wedges and diagonal braces for secondary concrete pouring.

[0016] S3, pre-install the expansion and contraction parts, when casting the precast bridge deck, reserve a number of equally spaced empty grooves at the end of the precast bridge deck, insert and fix the fixed steel bars on the back of the connecting plate into the empty grooves at the end of the precast bridge deck, inject concrete into the empty grooves, and fix the connecting plate to the end of the precast bridge deck after the concrete is completely solidified;

[0017] S4. Install the prefabricated bridge deck. Lift the prefabricated bridge deck between the bridge piers and adjust the position of the prefabricated bridge deck so that both ends of the prefabricated bridge deck are stuck in the limit pieces on the top of the prefabricated bridge piers, align the ends of the prefabricated bridge deck and the connecting plate, and connect and fix the prefabricated bridge deck and the limit pieces by expansion bolts, push pins or adhesives.

[0018] S5. Assemble the telescopic parts of the bridge, slide the mounting blocks at both ends of the elastic steel plate into the mounting grooves, and use bolts to limit and fix the first positioning hole and the second positioning hole in sequence, and then fix several elastic steel plates between the two mounting grooves, weld the inner end of the compression spring in the telescopic groove, place the telescopic plate in the sliding groove, and insert the moving plate into the telescopic groove, so that the teeth on the two telescopic plates are butted together, and inject neutral silicone into the gap between the telescopic part and the sliding groove, so that the telescopic part is parallel to the surface of the prefabricated bridge plate, and complete the installation of the telescopic part;

[0019] S6. Install the prefabricated bridge head and guardrails. Align the ends of the prefabricated bridge head with the prefabricated bridge deck by hoisting, and connect and fix the prefabricated bridge head with the prefabricated bridge deck by expansion bolts, push pins or gluing, and install guardrails on both side edges of the prefabricated bridge deck and the prefabricated bridge head to complete the assembly of the bridge body.

[0020] The present invention provides a bridge expansion member and a construction method thereof, which have the following beneficial effects:

[0021] 1. The present invention arranges staggered and intersecting telescopic plates in the telescopic member. When the prefabricated bridge plates are dislocated up and down, the telescopic plates will move up and down with the prefabricated bridge plates to avoid deformation and damage of the telescopic member due to the dislocation of the prefabricated bridge plates.

[0022] 2. The present invention fills the gap of the bridge expansion member with neutral silica gel, so that the bridge expansion member and the prefabricated bridge deck are at the same horizontal plane, so that the vehicle can pass through the bridge expansion member more smoothly and avoid vehicle bumps. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a front view of the bridge expansion member and the bridge body of the present invention;

[0024] Figure 2 for Figure 1 A top view of

[0025] Figure 3 A top view of the bridge expansion member of the present invention;

[0026] Figure 4 It is a schematic diagram of the internal structure of the bridge telescopic member of the present invention from a top view;

[0027] Figure 5 It is a schematic diagram of the internal structure of the bridge telescopic member of the present invention from a front view;

[0028] Figure 6 It is a structural schematic diagram of the connecting plate of the present invention;

[0029] Figure 7 It is a schematic structural diagram of the elastic steel plate of the present invention.

[0030] In the figure:

[0031] 1. Connecting plate; 101. Mounting part; 102. Sliding groove; 103. Telescopic groove; 2. Telescopic member; 201. Telescopic plate; 202. Moving plate; 203. Seepage hole; 3. Compression spring; 4. Mounting groove; 401. First positioning hole; 402. Blocking block; 5. Elastic steel plate; 501. Mounting block; 502. Second positioning hole; 6. Fixed steel bar; 7. Prefabricated bridge deck; 8. Bridge pier; 801. Limiting member; 9. Prefabricated bridge head; 10. Guardrail. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0033] Example 1

[0034] See also Figure 1-7 An embodiment of the present invention provides a landscape bridge telescopic member as a new type of connecting component during the construction of a park landscape bridge.

[0035] Specifically, the structure of the bridge telescopic member includes two correspondingly arranged connecting plates 1, a fixed steel bar 6 is arranged on the outer side of the connecting plate 1, a sliding groove 102 is opened on the inner top of the connecting plate 1, a telescopic groove 103 is opened on the inner wall of the sliding groove 102, a telescopic member 2 is arranged in the sliding groove 102, one end of the telescopic member 2 extends into the telescopic groove 103, and a compression spring 3 is installed in the telescopic groove 103, and a V-shaped elastic steel plate 5 is movably installed on the inner bottom of the connecting plate 1 through the installation groove 4.

[0036] In this embodiment, a mounting portion 101 is provided at the inner top of the connecting plate 1, a sliding groove 102 is provided at the inner side of the mounting portion 101, and the telescopic member 2 includes two correspondingly arranged telescopic plates 201, the telescopic plates 201 are closely attached to the bottom of the sliding groove 102, and horizontal movable plates 202 are provided at opposite backs of the two telescopic plates 201, and the movable plates 202 extend into the telescopic groove 103. In this arrangement, the sliding groove 102 is used to limit and guide the telescopic plates 201, and the telescopic groove 103 is used to limit and guide the movable plates 202, so that the two telescopic plates 201 can be accurately butted together.

[0037] In this embodiment, the facing surfaces of the telescopic plates 201 are provided with staggered and intersecting teeth. By providing the staggered teeth, the connection between the two telescopic plates 201 is made tighter, and the telescopic plates 201 are prevented from being dislocated in the horizontal direction.

[0038] In this embodiment, a plurality of seepage holes 203 are provided through the telescopic plate 201. The seepage holes 203 can filter and discharge rainwater on the bridge deck, and timely discharge rainwater on the bridge deck to avoid water accumulation on the bridge deck.

[0039] In this embodiment, the installation groove 4 is a box-shaped structure with an inner side and a bottom open, and the installation groove 4 is vertically arranged. First positioning holes 401 are opened on both sides of the interior of the installation groove 4, and a blocking block 402 is arranged at the bottom of the installation groove 4.

[0040] In this embodiment, mounting blocks 501 that are slidably matched with the mounting groove 4 are provided at both ends of the elastic steel plate 5, and second positioning holes 502 that are correspondingly matched with the first positioning holes 401 are provided on the mounting blocks 501. In this way, the mounting blocks 501 can be fixedly installed in the mounting groove 4 by the matching of the first positioning holes 401 and the second positioning holes 502 with the bolts, and then the elastic steel plate 5 can be installed between the two connecting plates 1.

[0041] Example 2

[0042] This embodiment relates to a construction method of a park landscape bridge, which is applied to the above-mentioned bridge telescopic member. The construction method includes the following steps:

[0043] S1, pouring the cap, pouring the cap by concrete at the pre-installation position of the pier 8 according to the construction drawings, and pouring the cap into the shape of a cup-mouth groove;

[0044] S2, installing the bridge pier 8. After the cap is completely solidified, the prefabricated bridge pier 8 is inserted into the cup-shaped cap by hoisting, and fixed by hard wedges and diagonal braces. Concrete is poured in the gap between the cap and the bridge pier 8. After the concrete is completely solidified, the hard wedges and diagonal braces are removed for secondary concrete pouring.

[0045] S3, pre-install the telescopic member 2, when casting the precast bridge deck 7, reserve a number of equally spaced empty grooves at the end of the precast bridge deck 7, insert and fix the fixed steel bars 6 on the back of the connecting plate 1 into the empty grooves at the end of the precast bridge deck 7, inject concrete into the empty grooves, and fix the connecting plate 1 to the end of the precast bridge deck 7 when the concrete is completely solidified;

[0046] S4, installing the prefabricated bridge deck 7, hoisting the prefabricated bridge deck 7 between the bridge piers 8, and adjusting the position of the prefabricated bridge deck 7 so that both ends of the prefabricated bridge deck 7 are stuck in the limit pieces 801 on the top of the prefabricated bridge pier 8, and aligning the ends of the prefabricated bridge deck 7 and the connecting plate 1, and connecting and fixing the prefabricated bridge deck 7 and the limit pieces 801 by expansion bolts, push pins or adhesives;

[0047] S5. Assemble the telescopic parts of the bridge, slide the mounting blocks 501 at both ends of the elastic steel plate 5 into the mounting groove 4, and use bolts to limit and fix the first positioning hole 401 and the second positioning hole 502 in sequence, and then fix several elastic steel plates 5 between the two mounting grooves 4, weld the inner end of the compression spring 3 in the telescopic groove 103, put the telescopic plate 201 in the sliding groove 102, and insert the moving plate 202 into the telescopic groove 103, so that the teeth on the two telescopic plates 201 are connected together, and inject neutral silicone into the gap between the telescopic part 2 and the sliding groove 102, so that the telescopic part 2 is parallel to the surface of the prefabricated bridge plate 7, and the installation of the telescopic part 2 is completed;

[0048] S6. Install the prefabricated bridge head 9 and guardrail 10. Align the prefabricated bridge head 9 with the end of the prefabricated bridge deck 7 by hoisting, and connect and fix the prefabricated bridge head 9 to the prefabricated bridge deck 7 by expansion bolts, push pins or gluing, and install guardrail 10 on both side edges of the prefabricated bridge deck 7 and the prefabricated bridge head 9 to complete the assembly of the bridge body.

[0049] In this embodiment, staggered and intersecting telescopic plates 201 are arranged in the telescopic member 2. When the prefabricated bridge decks 7 are misaligned up and down, the telescopic plates 201 will move up and down with the prefabricated bridge decks 7 to avoid deformation and damage of the telescopic member 2 due to the misalignment of the prefabricated bridge decks 7. Neutral silicone is filled in the gap of the bridge telescopic member so that the bridge telescopic member and the prefabricated bridge decks 7 are in the same horizontal plane, so that the vehicle can be more stable when passing through the bridge telescopic member and avoid vehicle bumps.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A landscape bridge telescopic member, characterized in that: The invention comprises two correspondingly arranged connecting plates (1), the outer side of each connecting plate (1) is provided with a fixed steel bar (6), the inner top of each connecting plate (1) is provided with a sliding groove (102), the inner wall of each sliding groove (102) is provided with a telescopic groove (103), a telescopic member (2) is provided in each sliding groove (102), one end of each telescopic member (2) extends into the telescopic groove (103), and A compression spring (3) is installed in the telescopic groove (103), and a V-shaped elastic steel plate (5) is movably installed on the inner bottom of the connecting plate (1) through a mounting groove (4).

2. A landscape bridge telescopic member according to claim 1, characterized in that: A mounting portion (101) is provided on the inner top of the connecting plate (1), and the sliding groove (102) is opened on the inner side of the mounting portion (101).

3. The landscape bridge telescopic member according to claim 2, characterized in that: The telescopic member (2) comprises two correspondingly arranged telescopic plates (201), wherein the telescopic plates (201) are closely attached to the bottom of the sliding groove (102), and horizontal movable plates (202) are arranged on opposite sides of the two telescopic plates (201), and the movable plates (202) extend into the telescopic groove (103).

4. The landscape bridge telescopic member according to claim 3, characterized in that: The facing surfaces of the telescopic plates (201) are provided with staggered and intersecting teeth.

5. The landscape bridge telescopic member according to claim 3, characterized in that: The telescopic plate (201) is provided with a plurality of water seepage holes (203).

6. The landscape bridge telescopic member according to claim 1, characterized in that: The installation groove (4) is a box-shaped structure with an inner side and a bottom open, and the installation groove (4) is arranged vertically. First positioning holes (401) are opened on both sides of the interior of the installation groove (4), and a blocking block (402) is arranged at the bottom of the installation groove (4).

7. The telescopic member for landscape bridge according to claim 6, characterized in that: Both ends of the elastic steel plate (5) are provided with mounting blocks (501) that are slidably matched with the mounting groove (4), and the mounting block (501) is provided with a second positioning hole (502) that is correspondingly matched with the first positioning hole (401).

8. A construction method for a park landscape bridge, applied to a bridge expansion member as claimed in any one of claims 1 to 7, characterized in that: The construction method comprises the following steps: S1, pouring the cap, pouring the cap by concrete at the pre-installation position of the pier (8) according to the construction drawings, and pouring the cap into the shape of a cup-mouth groove; S2, installing the bridge pier (8), after the cap is completely solidified, insert the prefabricated bridge pier (8) into the cup-shaped cap by hoisting, and fix it by hard wedges and diagonal braces, pour concrete in the gap between the cap and the bridge pier (8), and after the concrete is completely solidified, remove the hard wedges and diagonal braces for secondary concrete pouring; S3, pre-install the telescopic member (2), when casting the precast bridge deck (7), reserve a number of equally spaced empty grooves at the end of the precast bridge deck (7), insert and fix the fixing steel bars (6) on the back side of the connecting plate (1) into the empty grooves at the end of the precast bridge deck (7), inject concrete into the empty grooves, wait until the concrete is completely solidified, and then fix the connecting plate (1) to the end of the precast bridge deck (7); S4, installing the prefabricated bridge deck (7), hoisting the prefabricated bridge deck (7) between the bridge piers (8), and adjusting the position of the prefabricated bridge deck (7) so that the two ends of the prefabricated bridge deck (7) are stuck in the limit pieces (801) on the top of the prefabricated bridge pier (8), and aligning the ends of the prefabricated bridge deck (7) and the connecting plate (1), and connecting and fixing the prefabricated bridge deck (7) and the limit pieces (801) by expansion bolts, push pins or gluing; S5. Assemble the telescopic parts of the bridge, slide the mounting blocks (501) at both ends of the elastic steel plate (5) into the mounting groove (4), and use bolts to limit and fix the first positioning hole (401) and the second positioning hole (502) in sequence, and then fix a plurality of elastic steel plates (5) between the two mounting grooves (4), weld the inner end of the compression spring (3) into the telescopic groove (103), place the telescopic plate (201) in the sliding groove (102), and insert the movable plate (202) into the telescopic groove (103), so that the teeth on the two telescopic plates (201) are butted together, and inject neutral silica gel into the gap between the telescopic part (2) and the sliding groove (102), so that the telescopic part (2) is parallel to the surface of the prefabricated bridge plate (7), and the installation of the telescopic part (2) is completed; S6, installing the prefabricated bridge head (9) and the guardrail (10), aligning the prefabricated bridge head (9) with the end of the prefabricated bridge deck (7) by hoisting, and connecting and fixing the prefabricated bridge head (9) and the prefabricated bridge deck (7) by expansion bolts, push pins or gluing, and installing the guardrail (10) on both side edges of the prefabricated bridge deck (7) and the prefabricated bridge head (9), thereby completing the assembly of the bridge body.

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