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CN-117449205-B - Temporary protection device for bridge deck expansion joint

CN117449205BCN 117449205 BCN117449205 BCN 117449205BCN-117449205-B

Abstract

The invention relates to the technical field of bridge construction, in particular to a temporary protection device for a bridge deck expansion joint, which comprises a protection plate and two quick fixing mechanisms, wherein the protection plate is placed at the bridge deck expansion joint, the two quick fixing mechanisms are symmetrically arranged on the front outer wall and the rear outer wall of the protection plate, one ends of the two quick fixing mechanisms, which are far away from the protection plate, are clamped with a railing of the bridge deck, each quick fixing mechanism comprises a connecting plate, a pulling plate, a fixing component and two T-shaped grooves, the connecting plates are in threaded connection with the outer wall of the protection plate, the two T-shaped grooves are symmetrically arranged on the connecting plates, the pulling plate is slidably arranged on the two T-shaped grooves, the fixing component is arranged on the outer wall of the pulling plate, and one ends of the fixing components, which are far away from the protection plate, are clamped with the railing of the bridge deck.

Inventors

  • WANG JIAN
  • Liu Liekui
  • LI KANG
  • ZHANG LIANG
  • Ye Jianlu
  • CUI JIAZHENG
  • Pang Zhongying

Assignees

  • 中交一航局第五工程有限公司
  • 中交第一航务工程局有限公司

Dates

Publication Date
20260505
Application Date
20231025

Claims (8)

  1. 1. The temporary protection device for the bridge deck expansion joint is characterized by comprising a protection plate (1) and two quick fixing mechanisms (2), wherein the protection plate (1) is placed at the bridge deck expansion joint, the two quick fixing mechanisms (2) are symmetrically arranged on the front outer wall and the rear outer wall of the protection plate (1), one end, far away from the protection plate (1), of the two quick fixing mechanisms (2) is clamped with a railing of the bridge deck, each quick fixing mechanism (2) comprises a connection plate (3), a pulling plate (4), a fixing component (5) and two T-shaped grooves (6), the connection plates (3) are connected onto the outer wall of the protection plate (1) in a threaded mode, the two T-shaped grooves (6) are symmetrically formed on the connection plates (3), the pulling plate (4) is slidably arranged on the two T-shaped grooves (6), the fixing component (5) is arranged on the outer wall of the pulling plate (4), and one end, far away from the protection plate (1), of the fixing component (5) is clamped with the railing of the bridge deck; The fixing component (5) comprises a mounting frame (51), a rotating shaft (511), a rotating roller (512), a rotating seat (513), a rotating shaft (514), a rotating handle (515), a driving wheel (52), a driven wheel (53), a belt (54), a limiting part (55), a top plate (56), a clamping part (57), two pull rings (58), two steel ropes (581) and two brackets (59), wherein the two pull rings (58) are symmetrically arranged on the outer wall of a pulling plate (4), the mounting frame (51) is arranged beside the two pull rings (58), the rotating shaft (511) is rotatably arranged in the mounting frame (51), one end of the rotating shaft (511) extends to the outside of the mounting frame (51), the rotating roller (512) is arranged on the rotating shaft (511), the front ends of the two steel ropes (581) are respectively connected with the two pull rings (58), the rear ends of the two steel ropes (581) are respectively connected with the rotating roller (512), the rotating seat (513) is arranged at the top of the pulling plate (51), the rotating shaft (514) is rotatably arranged at the tail end of the rotating shaft (514) and is rotatably arranged on the rotating handle (52), the driven wheel (53) is arranged at one end of the rotating shaft (511) extending to the outside of the mounting frame (51), the belt (54) is sleeved outside the driving wheel (52) and the driven wheel (53), the limiting part (55) is arranged at the top of the mounting frame (51), the limiting part (55) is used for limiting the rotating handle (515), the two brackets (59) are symmetrically arranged on the outer wall of the top end of the mounting frame (51), the top plate (56) is horizontally arranged at the top of the two brackets (59), and the clamping part (57) is arranged on the top plate (56) and the mounting frame (51).
  2. 2. The temporary bridge deck expansion joint protection device according to claim 1, wherein the limiting component (55) comprises a limiting disc (551), limiting bolts (552) and a plurality of limiting holes (553), the limiting disc (551) is arranged at the top of the mounting frame (51), the plurality of limiting holes (553) are arranged on the limiting disc (551) at equal intervals around the center of the limiting disc (551), the limiting bolts (552) are arranged on the rotating handle (515), and the limiting bolts (552) are in threaded connection with the corresponding limiting holes (553).
  3. 3. The temporary protection device for the expansion joint of the bridge deck according to claim 2, wherein the clamping component (57) comprises an adjusting shaft (571), an adjusting gear (572), an adjusting handle (573), a locking piece (574), two sliding grooves (575), two adjusting plates (576), two adjusting frames (577), two adjusting racks (578) and two clamping pieces (579), the two sliding grooves (575) are symmetrically arranged on the top of the top plate (56), the two adjusting plates (576) are symmetrically arranged on the top of the top plate (56), the bottom ends of the two adjusting plates (576) are in sliding fit with the two sliding grooves (575), the two adjusting frames (577) are oppositely arranged on the outer walls of the two adjusting plates (576), the two adjusting racks (578) are oppositely arranged on the two adjusting frames (577), the adjusting shaft (571) is rotatably arranged on one bracket (59), the adjusting gear (572) is arranged on the top of the adjusting shaft (571), the two end faces (571) of the adjusting gears (5731) are respectively engaged with the two sliding grooves (5731) of the two adjusting frames (573), and one end of the locking piece (574) is inserted into the locking groove (5731), and the two clamping pieces (579) are symmetrically arranged at the top of the two adjusting plates (576).
  4. 4. A temporary bridge deck expansion joint protection device according to claim 3, wherein each clamping member (579) comprises a telescopic sleeve (5791), a moving rod (5792), a moving rack (5793), a moving shaft (5794), a moving gear (5795), an L-shaped plate (5796), a moving motor (5292), a transverse plate (57971), a clamping module (5798) and two fixing seats (5799), wherein the telescopic sleeve (5791) is horizontally arranged at the top of an adjusting plate (576), the moving rod (5792) is slidably arranged in the telescopic sleeve (5791), the moving rack (5793) is horizontally arranged at the top of the moving rod (5792), the two fixing seats (5799) are symmetrically arranged at the top of the telescopic sleeve (5791), the moving shaft (5794) is rotatably arranged on the two fixing seats (5799), the moving gear (5795) is arranged on the moving shaft (5794), the moving gear (5795) is meshed with the moving motor (5793), the moving rack (5796) is horizontally arranged at the top of the telescopic sleeve (5791), the outer wall (5792) is connected with the moving plate (5796) through the horizontal shaft (5796) and the outer wall (5792) which is arranged at the end part of the moving plate (5792), the clamping module (5798) is mounted on top of the cross plate (57971), and the clamping module (5798) is located above the through slot (57972).
  5. 5. The temporary protection device for the bridge deck expansion joint according to claim 4, wherein the clamping module (5798) comprises a U-shaped frame (57981), a screw rod sliding table (57982), a lifting block (57983) and a clamping plate (57984), the U-shaped frame (57981) is erected on the top of the transverse plate (57971), the screw rod sliding table (57982) is vertically arranged on the inner wall of the U-shaped frame (57981), the lifting block (57983) is arranged on the moving end of the screw rod sliding table (57982), the clamping plate (57984) is arranged at the bottom of the lifting block (57983), and the clamping plate (57984) is arranged above the through groove (57972).
  6. 6. The temporary bridge deck expansion joint protection device according to claim 4, wherein the locking piece (574) comprises a supporting frame (5741), a locking rod (5742), a locking disc (5743), a locking block (5744), a spring (5745) and a pull handle (5746), the supporting frame (5741) is arranged at the top of the mounting frame (51), the locking rod (5742) is slidably mounted at the top end of the supporting frame (5741), the locking disc (5743) is mounted at the head end of the locking rod (5742), the locking block (5744) is mounted on the outer wall of the locking disc (5743), the locking block (5744) is spliced with the locking groove (5731), the spring (5745) is sleeved outside the locking rod (5742), two ends of the spring (5745) are respectively connected with the supporting frame (5741) and the locking disc (5743), and the pull handle (5746) is mounted at the tail end of the locking rod (5742).
  7. 7. The temporary protection device for a bridge deck expansion joint according to claim 6, wherein the vertical cross sections of the locking groove (5731) and the locking block (5744) are regular hexagons.
  8. 8. The temporary bridge deck expansion joint protection device according to claim 1 is characterized in that two inclined plates (7) are symmetrically arranged on the left outer wall and the right outer wall of the protection plate (1).

Description

Temporary protection device for bridge deck expansion joint Technical Field The invention relates to the technical field of bridge construction, in particular to a temporary protection device for a bridge deck expansion joint. Background The bridge is a part on the urban construction road, can satisfy the connection of different geographical positions through the construction of bridge, and the people of being convenient for go out, when carrying out the construction part of bridge floor, falls into two independent parts with bridge floor basis through the expansion joint, makes things convenient for the later stage to do the horizontal flexible to the bridge floor along the long direction. The Chinese patent of patent No. CN217733739U discloses a bridge deck expansion joint auxiliary passing tool, which comprises an asphalt concrete surface layer, wherein a protective cover plate is arranged at the top end of the asphalt concrete surface layer, the asphalt concrete surface layer and the protective cover plate are detachably arranged, screws uniformly penetrate through two sides of the interior of the protective cover plate, nuts are connected with the outer side wall of the screws close to the upper side of the protective cover plate in a threaded manner, and a thread groove which is connected with the screws in a threaded manner is formed in the inner side of the asphalt concrete surface layer. This application can realize being connected between protective cover board and the asphalt concrete surface course through the inboard threaded connection of screw rod and thread groove, and the threaded connection between rethread nut and the screw rod consolidates the connection between screw rod and the thread groove to can be more stable when making protective cover board installation use, can regard as the bridge floor to pass temporarily through protective cover board's installation, demolish after the pavement asphalt surface layer is laid and finishes, improved the protectiveness to the road surface. However, the patent has the following defects in the actual use process that the connection between the protective cover plate and the asphalt concrete surface layer is realized by utilizing the threaded connection between the screw and the inner side of the threaded groove, and the connection mode needs to open holes on the surface of the asphalt concrete surface layer, and the holes are filled in later stages, so that the construction efficiency is influenced. Disclosure of Invention The invention aims to provide a temporary protection device for a bridge deck expansion joint, which aims to solve the problems that in the background technology, holes are required to be formed on the surface of an asphalt concrete surface layer, and the holes are filled in the later period, so that the construction efficiency is affected. The technical scheme of the invention is as follows: the utility model provides a temporary protection device for bridge floor expansion joint, includes guard plate and two quick fixed establishment, the guard plate is placed in bridge floor expansion joint department, two quick fixed establishment symmetry sets up on the outer wall around the guard plate to two quick fixed establishment's one end of keeping away from the guard plate and the railing of bridge floor press from both sides tightly, every quick fixed establishment all includes connecting plate, pulling board, fixed subassembly and two T type grooves, connecting plate spiro union is on the outer wall of guard plate, two T type groove symmetry is seted up on the connecting plate, pulling board slidable mounting is on two T type grooves, fixed subassembly installs on the outer wall of pulling board to fixed subassembly keeps away from the one end of guard plate and the railing of bridge floor press from both sides. Further, fixed subassembly includes mounting bracket, axis of rotation, live roller, roating seat, rotation axis, turning handle, action wheel, follow driving wheel, belt, limiting component, roof, clamping component, two pull rings, two cable wires and two supports, two the pull ring symmetry sets up on the outer wall of pulling the board, the mounting bracket sets up the side at two pull rings, the axis of rotation is rotated and is installed in the mounting bracket to the outside that one end of axis of rotation extends to the mounting bracket, the live roller sets up in the axis of rotation, two the front end of cable wires is connected with two pull rings respectively, two the rear end of cable wires is connected with the turning roller respectively, the roating seat sets up the top at the mounting bracket, the rotation axis is rotated and is installed on the roating seat, the rotation handle is installed at the head end of rotation axis, the action wheel is installed at the tail end of rotation axis, install on the outside one end of mounting bracket at the axis of rotation, the belt cover is established in the outs