CN214783243U

CN214783243U - Expansion joint cover plate for building engineering

Info

Publication number: CN214783243U
Application number: CN202120423246.5U
Authority: CN
Inventors: 邵琴; 毛涛
Original assignee: Anhui Tongjian Construction Group Co ltd
Current assignee: Anhui Tongjian Construction Group Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-11-19
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to an expansion joint cover plate for building engineering, which belongs to the technical field of building construction and comprises a cover plate and a pre-buried box fixed in the expansion joint, wherein a buffer structure is arranged in the pre-buried box and comprises a plurality of vertical rods, guide rods, slide blocks, a first buffer spring and an arc plate, the vertical rods are fixed in the pre-buried box, the end parts of the vertical rods far away from the pre-buried box are connected with the cover plate, slide grooves are arranged on the vertical rods, the guide rods are fixedly connected in the slide grooves, the slide blocks are connected on the guide rods in a sliding manner, the first buffer spring is sleeved on the guide rods below the slide blocks, one end part of the first buffer spring is fixedly connected with the slide blocks, the other end part of the first buffer spring is fixedly connected with the pre-buried box, and the arc plate is fixed on the slide blocks; when the first buffer spring is in the original long state, the arc-shaped surface of the arc-shaped plate is abutted against the side surface of the cover plate close to the vertical rod. This application has expansion joint cover's the good effect of shock attenuation performance.

Description

Expansion joint cover plate for building engineering

Technical Field

The application relates to the technical field of building construction, especially, relate to an expansion joint cover for building engineering.

Background

With the continuous development of social economy, the continuous improvement of building level and the continuous increase of vehicles, large and small roads are built; after the highway is constructed, the structure of the highway is stretched due to expansion caused by heat and contraction caused by cold, so that the highway is cracked, and the cracks of the highway need to be repaired by related departments of construction engineering; in the process of repairing the highway cracks, the expansion joint cover plate is often required to be used.

The prior Chinese patent with publication number CN2895571Y discloses an expansion joint cover plate for construction engineering, which comprises a connecting plate, a receiving plate and an adjusting plate, wherein the receiving plate is fixed on a building structure by expansion bolts, the connecting plate covers the expansion joint, two ends of the adjusting plate are respectively connected with the connecting plate and the receiving plate by fixing screws and adjusting plate fixing parts, the adjusting plate, the fixing screws and the adjusting plate fixing parts form a movable body, when the width of the expansion joint changes along with the temperature, the adjusting plate capable of rotating rotates, and the change of the width of the expansion joint can be adjusted.

In view of the above-mentioned related art, the inventor believes that there is a defect that the expansion joint cover is easily damaged due to the lack of good shock absorbing capability when a vehicle passes.

SUMMERY OF THE UTILITY MODEL

In order to promote expansion joint cover's shock attenuation performance, this application provides an expansion joint cover for building engineering.

The application provides a pair of expansion joint cover for building engineering adopts following technical scheme:

an expansion joint cover plate for building engineering comprises a cover plate and a pre-buried box fixed in an expansion joint, wherein a buffer structure is arranged in the pre-buried box and comprises a plurality of vertical rods, guide rods, sliding blocks, a first buffer spring and an arc plate, the vertical rods are fixed in the pre-buried box, the end parts, away from the pre-buried box, of the vertical rods are connected with the cover plate, sliding grooves are formed in the vertical rods, the guide rods are fixedly connected in the sliding grooves, the sliding blocks are connected on the guide rods in a sliding mode, the buffer springs are sleeved on the guide rods below the sliding blocks, one end parts of the first buffer springs are fixedly connected with the sliding blocks, the other end parts of the first buffer springs are fixedly connected with the pre-buried box, and the arc plate is fixed on the sliding blocks; when the first buffer spring is in an original long state, the arc-shaped surface of the arc-shaped plate is abutted against the side face, close to the vertical rod, of the cover plate.

By adopting the technical scheme, when a vehicle passes through the expansion joint cover plate and generates acting force on the expansion joint cover plate, the acting force on the cover plate is transferred to the arc-shaped plate in contact with the expansion joint cover plate so as to deform the arc-shaped plate, thereby weakening part of the acting force; after the arc-shaped plate deforms, the sliding block fixedly connected with the arc-shaped plate can be driven to slide along the guide rod, and then the buffer spring generates compression deformation, so that the effect of buffering and shock absorption is achieved.

Preferably, the pre-buried box is connected with a moving block in a sliding mode, the moving block is hinged to a connecting rod, and the end portion, far away from the moving block, of the connecting rod is hinged to the arc-shaped plate.

Through adopting above-mentioned technical scheme, when the arc takes place to deform, its and the connecting rod between the articulated angle change to driven the movable block and slided along pre-buried case, with this bending deformation who adapts to the arc, and can play the effect that supports the arc.

Preferably, the pole setting is connected with the bolster on being close to the tip of apron, be connected with branch on the bolster, set up the branch hole that the tip that supplies branch passes on the apron, be located in the branch hole seted up the joint chamber on the tip of branch, the joint intracavity be equipped with apron joint complex joint spare.

By adopting the technical scheme, the buffer part can further play a role in buffering, so that the shock absorption performance of the expansion joint cover plate is improved; the clamping piece is utilized to realize the detachable matching between the cover plate and the buffer piece, thereby facilitating the replacement work of the cover plate after long-term use.

Preferably, the joint spare is including card strip, tensioning spring and shifting block, the card strip slides and connects in the joint intracavity, and one of them tip of card strip slides and wears to establish joint chamber lateral wall, set up the card hole of being connected with a hole on the apron, be located the joint chamber outside the tip and the cooperation of card hole joint of card strip, a tip and the terminal surface fixed connection of card strip of tensioning spring, another tip and the joint intracavity wall fixed connection of tensioning spring are located a downthehole the hole of stirring of intercommunication with the joint chamber is seted up on the terminal surface of branch, the shifting block is fixed on the card strip, and the shifting block slides and connects in stirring the hole.

By adopting the technical scheme, when the cover plate needs to be installed, firstly, the shifting block is shifted to enable the tensioning spring to generate compression deformation so as to drive the clamping strip to retract into the clamping cavity, then the end part of the supporting rod is inserted into the supporting hole until the clamping hole is communicated with the clamping cavity, then the shifting block is loosened, and under the action of the resilience force of the tensioning spring, the end part of the clamping strip, far away from the tensioning spring, penetrates through the clamping cavity and is clamped in the clamping hole, so that the connection work between the cover plate and the supporting rod is completed; in addition, when the cover plate needs to be replaced after long-term use, the shifting block is shifted to enable the clamping strip to retract into the clamping cavity, so that the end part of the clamping strip is separated from the clamping hole, the cover plate can be conveniently detached, and replacement of the cover plate is facilitated.

Preferably, the bolster includes cushion collar, limiting plate and buffer spring two, the cushion collar is fixed on the tip that the apron is close to in the pole setting, the tip that the apron was kept away from to branch slides with the cushion collar and is connected, the limiting plate is fixed on the tip that branch is located the cushion collar, the buffer spring two overlaps to be established in the pole setting that is located the cushion collar, a tip and the limiting plate fixed connection of buffer spring two, another tip and the cushion collar inner wall fixed connection of buffer spring two that send.

Through adopting above-mentioned technical scheme, when the vehicle was lapped, the vehicle produced the effort to the apron, and the effort transmits to branch to this makes branch slide along the cushion collar, with this messenger buffer spring two produces deformation, thereby has played absorbing effect.

Preferably, the cover plate is in threaded connection with a sealing cover for plugging the branch hole.

Through adopting above-mentioned technical scheme, sealed lid can be used for the shutoff to prop up the hole, reduces in outside debris fall into the branch hole, and influences the problem of apron dismantlement work.

Preferably, the highway is provided with a mounting groove communicated with the expansion joint, the bottom of the embedded box is fixedly connected with a mounting pipe, the discharge end of the mounting pipe is positioned in the mounting groove, the feed end of the mounting pipe is communicated with the inside of the embedded box, and the feed end of the mounting pipe is fixedly connected with a feed cover.

By adopting the technical scheme, after the pre-buried box is placed in the expansion joint, concrete can be injected into the installation pipe through the feed end of the installation pipe, the concrete can flow into the installation groove along the installation pipe, and after the concrete pouring is finished, the feed end of the installation pipe is plugged by the feed cover; after the concrete is condensed, the installation pipe and the highway can be more stably connected, so that the installation stability of the embedded box is enhanced.

Preferably, the expansion joint further comprises an embedded bolt fixed on the side wall of the expansion joint, and an asphalt bonding layer is fixedly connected in a gap between the embedded box and the expansion joint.

Through adopting above-mentioned technical scheme, utilize the pitch adhesive linkage to link together buried bolt in advance and pre-buried case, and pre-buried bolt fastening is in the expansion joint lateral wall to this installation work that can accomplish pre-buried case, easy operation is convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

when a vehicle passes through the expansion joint cover plate and generates acting force on the expansion joint cover plate, the acting force on the cover plate is transmitted to the arc-shaped plate which is contacted with the expansion joint cover plate to be contacted, so that the arc-shaped plate is deformed, and partial acting force is weakened; after the arc-shaped plate deforms, the slide block fixedly connected with the arc-shaped plate can be driven to slide along the guide rod, and further the buffer spring generates compression deformation, so that the buffer and shock absorption effects are achieved;

when the arc-shaped plate deforms, the hinge angle between the arc-shaped plate and the connecting rod is changed, so that the moving block is driven to slide along the pre-buried box, the bending deformation of the arc-shaped plate is adapted, and the effect of supporting the arc-shaped plate can be achieved;

the buffer part can further play a role in buffering, so that the shock absorption performance of the expansion joint cover plate is improved; the clamping piece is utilized to realize the detachable matching between the cover plate and the buffer piece, thereby facilitating the replacement work of the cover plate after long-term use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is an enlarged schematic structural view of a portion a in fig. 1.

FIG. 3 is a schematic view showing the structure of the protruding installation tube in the embodiment of the present application.

Description of reference numerals: 1. a highway; 11. an expansion joint; 12. mounting grooves; 2. pre-burying a box; 3. embedding bolts in advance; 31. an asphalt bonding layer; 4. installing a pipe; 41. a through hole; 42. a feeding cover; 5. a cover plate; 51. supporting a hole; 52. a sealing cover; 6. a buffer structure; 61. erecting a rod; 611. a chute; 62. a guide bar; 63. a slider; 64. a first buffer spring; 65. an arc-shaped plate; 66. a strut; 661. a clamping cavity; 662. a toggle hole; 7. a moving block; 71. a connecting rod; 8. a buffer member; 81. a buffer sleeve; 82. a limiting plate; 83. a second buffer spring; 9. a clamping piece; 91. clamping the strip; 92. tensioning the spring; 93. and (5) shifting blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses expansion joint cover for building engineering. Referring to fig. 1 and 2, the highway embedded structure comprises an embedded box 2 and embedded bolts 3, wherein the embedded box 2 is of a square box structure, and the embedded box 2 is placed in an expansion joint 11 on a highway 1. The highway 1 is provided with a mounting groove 12, the mounting groove 12 is communicated with the expansion joint 11, and the depth direction of the mounting groove 12 is consistent with that of the expansion joint 11. The bottom fixedly connected with installation pipe 4 of pre-buried case 2, installation pipe 4 are the pipe column structure, and the length direction of installation pipe 4 is unanimous with the degree of depth direction of mounting groove 12, the feed end and the inside intercommunication of pre-buried case 2 of installation pipe 4, and when pre-buried case 2 was located expansion joint 11, installation pipe 4 was located mounting groove 12. The side wall of the installation tube 4 is provided with a through hole 41, the through hole 41 is a circular hole, and the through hole 41 penetrates through the installation tube 4 along the thickness direction of the side wall of the installation tube 4. The feeding end of the installation pipe 4 is in threaded connection with a feeding cover 42, the feeding cover 42 is of a disc-shaped structure, and the feeding cover 42 is used for plugging the feeding end of the installation pipe 4. After the pre-buried box 2 is placed in the expansion joint 11, concrete can be injected into the installation pipe 4 through the feed end of the installation pipe 4, the concrete can flow into the installation groove 12 along the installation pipe 4, and after the concrete pouring is finished, the feed end of the installation pipe 4 is plugged by the feed cover 42; after the concrete is condensed, the installation pipe 4 and the highway 1 can be more stably connected, so that the installation stability of the embedded box 2 is enhanced.

Referring to fig. 1, one end of the embedded bolt 3 is fixed to a side wall of the expansion joint 11, and the other end of the embedded screw is located in a gap between the embedded box 2 and the expansion joint 11. The pitch adhesive linkage 31 is fixedly connected between the outer wall of the embedded box 2 and the expansion joint 11 together, the pitch adhesive linkage 31 is formed by pouring pitch concrete between the embedded box 2 and the expansion joint 11, the embedded bolt 3 and the embedded box 2 can be connected together by utilizing the pitch adhesive linkage 31, and the embedded bolt 3 is fixed in the side wall of the expansion joint 11, so that the installation work of the embedded box 2 can be completed, and the operation is simple and convenient. The cover plate 5 is arranged on the upper cover of the embedded box 2, the cover plate 5 is of a rectangular plate-shaped structure, and the length direction of the cover plate 5 is consistent with that of the embedded box 2.

Referring to fig. 1, a buffer structure 6 is arranged in the embedded tank 2, and the buffer structure 6 comprises a vertical rod 61, a guide rod 62, a sliding block 63, a first buffer spring 64 and an arc-shaped plate 65. The upright posts 61 are of square rod-shaped structures, the length direction of the upright posts 61 is consistent with the height direction of the embedded box 2, the upright posts 61 are fixed in the embedded box 2, the number of the upright posts 61 is two, and the two upright posts 61 are vertically fixed on the upright posts 61. The sliding grooves 611 are formed in the side faces, close to each other, of the two vertical rods 61, and the length direction of the sliding grooves 611 is identical to that of the vertical rods 61. The guide rod 62 is a round rod-shaped structure, the length direction of the guide rod 62 is consistent with the length direction of the upright 61, and the guide rod 62 is fixed in the sliding groove 611. The sliding block 63 is a square structure, the sliding block 63 is located in the sliding groove 611, and the sliding block 63 is slidably sleeved on the guiding rod 62. The length direction of the first buffer spring 64 is consistent with that of the guide rod 62, the first buffer spring 64 is sleeved on the guide rod 62 below the sliding block 63, one end of the first buffer spring 64 is fixedly connected with the sliding block 63, and the other end of the first buffer spring 64 is fixedly connected with the inner wall of the sliding groove 611. The arc-shaped plate 65 is fixed between the two sliding blocks 63, the arc-shaped surface of the arc-shaped plate 65 with a large area faces the direction of the cover plate 5, and when the first buffer spring 64 is in the original length state, the arc-shaped surface of the arc-shaped plate 65 is abutted to the side surface, close to the vertical rod 61, of the cover plate 5.

Referring to fig. 1, the embedded box 2 is connected with two moving blocks 7 in a sliding manner, the moving direction of the moving blocks 7 is consistent with the length direction of the distance between the two vertical rods 61, the number of the moving blocks 7 is two, and the two moving blocks 7 are symmetrically arranged along the central axis of the arc-shaped plate 65. The moving block 7 is hinged with a connecting rod 71, the connecting rod 71 is of a square rod-shaped structure, and the end part of the connecting rod 71, which is far away from the moving block 7, is hinged with the side surface of the arc-shaped plate 65, which is far away from the cover plate 5. The end part of the upright post 61 close to the cover plate 5 is provided with a buffer member 8, the buffer member 8 is connected with a supporting rod 66, the supporting rod 66 is of a round rod-shaped structure, the length direction of the supporting rod 66 is consistent with the length direction of the upright post 61, and the supporting rod 66 and the upright post 61 are arranged coaxially.

Referring to fig. 1 and 3, the cushion member 8 includes a cushion sleeve 81, a stopper plate 82, and a second cushion spring 83. The buffer sleeve 81 is a hollow cylindrical structure, the buffer sleeve 81 is fixed on the end of the vertical rod 61, and the buffer sleeve 81 and the vertical rod 61 are arranged coaxially. The limiting plate 82 is of a disc-shaped structure, the limiting plate 82 and the support rod 66 are arranged coaxially, the limiting plate 82 is located inside the buffer sleeve 81, and the limiting plate 82 can slide along the buffer sleeve 81. One end of the supporting rod 66 is slidably arranged through the buffer sleeve 81 and extends into the buffer sleeve 81, and the limiting rod is fixedly connected with the end of the supporting rod 66 positioned in the buffer sleeve 81. The length direction of the second buffer spring 83 is consistent with that of the support rod 66, the second buffer spring 83 is sleeved on the support rod 66 located in the buffer sleeve 81, one end of the second buffer spring 83 is fixedly connected with the limiting plate 82, and the other end of the second buffer spring 83 is fixedly connected with the inner wall of the buffer sleeve 81.

Referring to fig. 1 and 3, the cover plate 5 is provided with a support hole 51, the support hole 51 is a circular hole, and the support hole 51 penetrates through the cover plate 5 along the thickness direction of the cover plate 5. The branch hole 51 is in plug fit with the end of the strut 66 far away from the limit plate 82. The cover plate 5 is screwed with a sealing cover 52, the sealing cover 52 is a circular plate-shaped structure, the sealing cover 52 is arranged coaxially with the branch hole 51, and the sealing cover 52 is used for sealing the branch hole 51. The end part of the supporting rod 66 far away from the limiting rod is provided with two clamping cavities 661, and the two clamping cavities 661 are symmetrically arranged along the central axis of the supporting rod 66.

Referring to fig. 1 and 3, a clamping member 9 is arranged in the clamping cavity 661, and the clamping member 9 includes a clamping strip 91, a tension spring 92 and a shifting block 93. Card strip 91 is square rod column structure, and the length direction of card strip 91 is radially unanimous with branch 66, and a tip of card strip 91 is located joint chamber 661, and another tip of card strip 91 slides and wears to establish joint chamber 661 lateral wall. The cover plate 5 is provided with a clamping hole which is communicated with the vertical hole, and the clamping hole is in clamping fit with the end part of the clamping strip 91 which is positioned outside the clamping cavity 661. The tensioning spring 92 is located in the clamping cavity 661, the length direction of the tensioning spring 92 is consistent with that of the clamping strip 91, one end of the tensioning spring 92 is fixedly connected with the end of the clamping strip 91 located in the clamping cavity 661, the other end of the tensioning spring 92 is fixedly connected with the inner wall of the clamping cavity 661, and when the tensioning spring 92 is in an original length state, the end of the clamping strip 91 is in clamping fit with the clamping hole.

Referring to fig. 1 and 3, a toggle hole 662 is formed in the end surface of the supporting rod 66, which is away from the limiting plate 82, the toggle hole 662 is rectangular, the length direction of the toggle hole 662 is identical to the length direction of the clamping strip 91, and the toggle hole 662 is communicated with the clamping cavity 661. The end part of the clamping strip 91 close to the tension spring 92 is fixedly connected with a shifting block 93, and the shifting block 93 is arranged in the shifting hole 662 in a sliding mode. When the cover plate 5 needs to be installed, firstly, the shifting block 93 is shifted to enable the tensioning spring 92 to generate compression deformation so as to drive the clamping strip 91 to retract into the clamping cavity 661, then the end part of the supporting rod 66 is inserted into the supporting hole 51 until the clamping hole is communicated with the clamping cavity 661, then the shifting block 93 is loosened, under the action of the resilience force of the tensioning spring 92, the end part of the clamping strip 91, far away from the tensioning spring 92, penetrates through the clamping cavity 661 and is clamped in the clamping hole, and therefore the connection work between the cover plate 5 and the supporting rod 66 is completed; in addition, when the cover plate 5 needs to be replaced after long-term use, the shifting block 93 is shifted to retract the clamping strip 91 into the clamping cavity 661, so that the end part of the clamping strip 91 is separated from the clamping hole, the cover plate 5 can be conveniently detached, and the replacement of the cover plate 5 is facilitated.

The embodiment of the application provides an implementation principle for 11 apron 5 in expansion joint for building engineering does: when a vehicle passes through the cover plate 5 of the expansion joint 11 and generates acting force on the expansion joint, the acting force on the cover plate 5 is transmitted to the arc-shaped plate 65 in contact with the cover plate, so that the arc-shaped plate 65 is deformed, and partial acting force is weakened; after the arc-shaped plate 65 deforms, the sliding block 63 fixedly connected with the arc-shaped plate can be driven to slide along the guide rod 62, and then the first buffer spring 64 is compressed and deformed, so that the buffering and shock-absorbing effects are achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an expansion joint cover for building engineering which characterized in that: the expansion joint comprises a cover plate (5) and a pre-embedded box (2) fixed in an expansion joint (11), wherein a buffer structure (6) is arranged in the pre-embedded box (2), the buffer structure (6) comprises a plurality of vertical rods (61), guide rods (62), sliding blocks (63), a first buffer spring (64) and an arc-shaped plate (65), the vertical rods (61) are fixed in the pre-embedded box (2), the end parts, far away from the pre-embedded box (2), of the vertical rods (61) are connected with the cover plate (5), sliding grooves (611) are formed in the vertical rods (61), the guide rods (62) are fixedly connected in the sliding grooves (611), the sliding blocks (63) are connected on the guide rods (62) in a sliding mode, the first buffer spring (64) is sleeved on the guide rods (62) below the sliding blocks (63), one end part of the first buffer spring (64) is fixedly connected with the sliding blocks (63), and the other end part of the first buffer spring (64) is fixedly connected with the pre-embedded box (2), the arc-shaped plate (65) is fixed on the sliding block (63); when the first buffer spring (64) is in an original long state, the arc-shaped surface of the arc-shaped plate (65) is abutted against the side surface, close to the vertical rod (61), of the cover plate (5).

2. The cover plate for an expansion joint for construction engineering according to claim 1, wherein: the embedded box (2) is connected with a moving block (7) in a sliding mode, the moving block (7) is hinged to a connecting rod (71), and the end portion, far away from the moving block (7), of the connecting rod (71) is hinged to the arc-shaped plate (65).

3. The cover plate for an expansion joint for construction engineering according to claim 1, wherein: pole setting (61) are connected with bolster (8) on being close to the tip of apron (5), be connected with branch (66) on bolster (8), offer on apron (5) and supply a hole (51) that the tip of branch (66) passed, be located a hole (51) seted up joint chamber (661) on the tip of branch (66), be equipped with in joint chamber (661) with apron (5) joint complex joint spare (9).

4. The cover plate for an expansion joint for construction engineering according to claim 3, wherein: joint spare (9) are including card strip (91), tensioning spring (92) and shifting block (93), card strip (91) slide and connect in joint chamber (661), and one of them tip of card strip (91) slides and wears to establish joint chamber (661) lateral wall, offer the card hole of being connected with branch hole (51) on apron (5), be located joint chamber (661) outer the tip and the cooperation of calorie hole joint of card strip (91), a tip and the terminal surface fixed connection of card strip (91) of tensioning spring (92), another tip and joint chamber (661) inner wall fixed connection of tensioning spring (92) are located branch hole (51) set up stir hole (662) that communicate with joint chamber (661) on the terminal surface of branch rod (66), shifting block (93) are fixed on card strip (91), and shifting block (93) slide and connect in stirring hole (662).

5. The cover plate for an expansion joint for construction engineering according to claim 3, wherein: bolster (8) are including cushion collar (81), limiting plate (82) and buffer spring two (83), cushion collar (81) are fixed on pole setting (61) is close to the tip of apron (5), the tip and the cushion collar (81) of apron (5) are kept away from in branch (66) are slided and are connected, limiting plate (82) are fixed on branch (66) are located the tip of cushion collar (81), the cover is established on pole setting (61) that is located cushion collar (81) in buffer spring two (83), a tip and limiting plate (82) fixed connection of buffer spring two (83), another tip and cushion collar (81) inner wall fixed connection of the buffer spring two (83) of sending.

6. The cover plate for an expansion joint for construction engineering according to claim 3, wherein: and the cover plate (5) is in threaded connection with a sealing cover (52) for plugging the branch hole (51).

7. The cover plate for an expansion joint for construction engineering according to claim 1, wherein: the road expansion joint structure is characterized in that a mounting groove (12) communicated with an expansion joint (11) is formed in the road (1), a mounting pipe (4) is fixedly connected to the bottom of the embedded box (2), the discharge end of the mounting pipe (4) is located in the mounting groove (12), the feed end of the mounting pipe (4) is communicated with the inside of the embedded box (2), and a feed cover (42) is fixedly connected to the feed end of the mounting pipe (4).

8. The cover plate for an expansion joint for construction engineering according to claim 1, wherein: the expansion joint is characterized by further comprising an embedded bolt (3) fixed on the side wall of the expansion joint (11), and an asphalt bonding layer (31) is fixedly connected in a gap between the embedded box (2) and the expansion joint (11).