Steel structure bridge deck slab for bridge maintenance and reinforcement

Abstract

The utility model relates to bridge maintenance equipment, in particular to a steel structure bridge deck slab for bridge maintenance and reinforcement, which comprises a base, a storage column, a transverse moving plate, a longitudinal moving plate, a clamping plate, a limiting block, a transverse rod and a longitudinal rod, a notch is formed in the upper portion of the transverse moving plate, the storage column extends out of the base and is embedded in the notch in the upper portion of the transverse moving plate, a penetrating opening is transversely formed in the transverse moving plate, the transverse rod transversely penetrates through the penetrating opening of the transverse moving plate, one end of the transverse rod is fixed to the front face of the base, and a longitudinal rod is arranged below the transverse moving plate. A clamping plate is arranged on the back face of the longitudinal moving plate, the side faces, outside the clamping plate, of the bridge floor are tightly attached to each other, the two bases are arranged on the two sides of the bridge floor respectively, the bridge body is clamped between the two bases, and the fixing effect of the bridge body with cracks and the like is achieved through pulling between the two bases.

Description

Technical Field

[0001] The utility model relates to a bridge reinforcement device, in particular to a steel structure bridge deck used for bridge maintenance and reinforcement. Background Art

[0002] Bridges are often used for people to walk and vehicles to pass, and bridges can cross rivers and mountains, making roads smoother and flatter. However, after long-term use, bridges are inevitably prone to certain damage. Therefore, bridges need to be regularly repaired, maintained and reinforced.

[0003] Publication number CN107268460B is a Chinese invention patent, which discloses a bridge reinforcement device, characterized in that the bridge reinforcement device includes a beam end support and a string-type steel beam; the beam end support is fixed on the abutment or cap beam of the bridge, and the two ends of the string-type steel beam are fixed on the beam end support. The bridge reinforcement device provided by the present invention has a simple method of use, convenient operation, low construction cost, short construction period, and can be reused, and the reinforcement of the bridge can be completed without closing the lane.

[0004] In combination with the above structure, in the above structure, temporary support can be formed by implanting high-strength anchor bolts, and the bridge deck can be fixed by tension, thereby achieving a reinforcement and emergency repair effect. However, in the above structure, it is necessary to install it under the bridge, and when facing a large bridge, it is easy to cause installation difficulties and cumbersome procedures. When a smaller bridge is damaged, such as cracks, the cracks cannot be fixed and clamped to avoid further expansion of the cracks. Utility Model Content

[0005] In view of the technical defects existing in the background technology, the utility model proposes a steel structure bridge deck for bridge maintenance and reinforcement, which solves the above technical problems and meets the actual needs. The specific technical solution is as follows:

[0006] A steel structure bridge deck for bridge maintenance and reinforcement, comprising: a base, a storage column, a transverse movable plate, a longitudinal movable plate, a clamping plate, a limit block, a transverse rod and a longitudinal rod, the base pad is placed on the external bridge deck surface, a storage groove is provided above the base, the storage column is placed in the storage groove of the base, an opening is provided at one end of the storage column, the opening extends and is connected to a wire tube, and the wire tube is extended and passed through the base, the other end of the storage column and the front side of the base are vertically arranged with the transverse movable plate, a notch is provided above the transverse movable plate, the storage column extends to the outside of the base, and is embedded in the transverse movable plate above At the slot, the transverse movable plate has a through hole horizontally opened, the transverse rod crosses the through hole of the transverse movable plate, one end of the transverse rod is fixed to the front of the base, a longitudinal rod is arranged below the transverse movable plate, a through hole is arranged longitudinally downward on the longitudinal movable plate, the longitudinal movable plate is arranged outside the longitudinal rod by a through hole sleeve, a clamping plate is arranged on the back of the longitudinal movable plate, and the bridge deck sides outside the clamping plate are tightly attached to each other; the transverse movable plate and the storage column reciprocate along the extension direction of the transverse rod; the longitudinal movable plate reciprocates along the extension direction of the longitudinal rod; a connecting rod is arranged on the back of the base.

[0007] There are at least two bases, one of which is arranged at one edge of the bridge deck outside, and the other base is arranged at the other edge of the bridge deck outside, and the two bases are arranged in a straight line; the opposite ends of the two connecting rods are respectively provided with external threads, and one end of the two connecting rods is respectively meshed and connected with a threaded sleeve; an extension rod is meshed and connected between the two threaded sleeves, and the two ends of the extension rod are respectively meshed and connected in each threaded sleeve by threads; a pad is provided at one edge of the base, and a fixing hole is opened in the pad.

[0008] Each of the bases is provided with a control unit, a reserve battery and a signal receiving unit; a wiring hole is provided on a side of each of the bases away from the pad, a wire tube is connected to the wiring hole at the beginning of the base, and is electrically connected to the reserve battery through the wire tube, and a wire tube is used to connect the reserve battery and the signal receiving unit above the control unit, and is electrically connected; a lead groove is provided on the front of each of the bases, and the control unit is connected to a plurality of wire tubes, which are passed through and extend outside the lead groove.

[0009] A terminal block is provided in the storage column, and a spring wire tube extends from the terminal block toward the opening opened at the end of the storage column, and the spring wire tube of the terminal block is stored in the groove of the opening of the storage column, the end of the storage column away from the opening is the front end, and a limit block is provided at the front end of the storage column; a wiring port is respectively provided in the area where the storage column and the transverse moving plate are in contact, and the terminal block adopts a wire tube to pass through the wiring port and extend into the transverse moving plate.

[0010] A wire hole is opened at the edge outside the transverse moving plate, and a wire tube led out from the base is passed through the wire hole of the transverse moving plate and connected to the wire tube inside the transverse moving plate; a translation motor is arranged in the transverse moving plate, and the translation motor is electrically connected to the wire tube introduced by the transverse moving plate, and there are two wire tubes introduced by the transverse moving plate, and the other wire tube introduced by the transverse moving plate passes through and extends to the bottom of the transverse moving plate, and penetrates to the outside of the transverse moving plate; a gear is arranged above the translation motor, and the translation motor is meshed with the bottom of the transverse rod through the gear, and through the cooperation between the translation motor and the gear, the transverse moving plate is driven to reciprocate in one direction along the transverse rod.

[0011] A wire hole is provided at the outer edge of the longitudinal movable plate, and a wire tube extending outward from the base is passed through the wire hole of the longitudinal movable plate; a guide motor is respectively provided on two opposite sides inside the longitudinal movable plate, and the two guide motors are electrically connected to the wire tube extending from the base, and the two guide motors are respectively provided with a gear, and a guide wheel is respectively provided above the two guide motors; each guide wheel is driven to rotate by meshing with the gear of each corresponding guide motor; each guide wheel is meshed and connected with the opposite sides of the longitudinal rod, and drives the longitudinal movable plate to reciprocate in one direction; a limit block is provided under the longitudinal movable plate.

[0012] A toothed groove is provided on one side of the transverse rod that is meshed with the transverse movable plate above the transverse rod, and a positioning groove is provided on the side of the transverse rod opposite to the toothed groove, and a slot is provided in the positioning groove of the transverse rod; an engaging strip is provided on both sides of the longitudinal rod, each of the engaging strips is meshed with a corresponding guide wheel in the longitudinal movable plate, and a strip groove consistent with the positioning groove structure of the transverse rod is provided on one side of the longitudinal rod and facing the limit block.

[0013] A solenoid valve is provided in each of the limit blocks, and the solenoid valve is connected to the terminal board in the storage column by a wire tube; a gap is provided above each of the solenoid valves, and a magnetic block is provided above the gap of the solenoid valve, and the magnetic block is fixed to a limit plug plate, the limit plug plate is passed through one end of the limit block, the limit plug plate is inserted into the positioning groove of the transverse rod or the longitudinal rod, and is embedded in the slot in each positioning groove.

[0014] The beneficial effects of the utility model are:

[0015] The two bases are respectively placed on both sides of the bridge deck, and the bridge body is clamped therebetween, so that the bridge body with cracks or the like can be fixed by pulling between the two bases. In order to facilitate the clamping of bridge bodies of different sizes, the two bases are placed between the upper surface of the bridge body, and each base is attached to the edge above the bridge body. At this time, the transverse movable plate is moved outward from the bridge deck, and the transverse movable plate is used to fit the side of the bridge body. After the two bases collide with each other, the two sides of the bridge body are clamped firmly. In order to ensure that the bridge body is not easily moved outward due to insufficient force points during the clamping process, the utility model also moves the longitudinal movable plate downward to allow the clamping plate with force on the side of the bridge deck to contact the side of the bridge body as much as possible, thereby increasing the force area.

[0016] Among them, when each base is placed on the bridge deck, a connecting rod is connected between the two, through which the two bases are pulled, and when the two bases retract the transverse moving plate, the connecting rod also pulls the two to achieve a narrowing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of a steel structure bridge deck used for bridge maintenance and reinforcement.

[0018] Figure 2 It is a schematic diagram of the unfolded three-dimensional structure of a steel structure bridge deck used for bridge maintenance and reinforcement.

[0019] Figure 3 This is a schematic diagram of the internal structure of the base of a steel structure bridge deck used for bridge maintenance and reinforcement.

[0020] Figure 4 The figure is a schematic diagram of the internal structure of a transversely movable plate of a steel structure bridge deck used for bridge maintenance and reinforcement.

[0021] Figure 5 This is a schematic diagram of the internal structure of a longitudinal movable plate of a steel structure bridge deck used for bridge maintenance and reinforcement. DETAILED DESCRIPTION

[0022] The implementation methods of the present invention are described below in conjunction with the accompanying drawings and relevant embodiments. The implementation methods of the present invention are not limited to the following embodiments, and the present invention involves relevant necessary components in this technical field, which should be regarded as common knowledge in this technical field and can be known and mastered by technical personnel in this technical field.

[0023] like Figures 1 to 5 As shown, a steel structure bridge deck for bridge maintenance and reinforcement includes: a base 1, a storage column 2, a transverse movable plate 3, a longitudinal movable plate 4, a clamping plate 5, a limit block 6, a transverse rod 7 and a longitudinal rod 8, the base 1 is placed on the external bridge deck surface, a storage groove is provided above the base 1, the storage column 2 is placed in the storage groove of the base 1, one end of the storage column 2 is provided with an opening, the opening extends and is connected with a wire tube, and the wire tube is extended and penetrated in the base 1, the other end of the storage column 2 and the transverse movable plate 3 are vertically arranged at the front of the base 1, a notch is provided above the transverse movable plate 3, the storage column 2 extends to the outside of the base 1, and is embedded in the transverse movable plate 3 At the square groove, the transverse movable plate 3 is horizontally provided with a through hole, the transverse rod 7 crosses the through hole of the transverse movable plate 3, one end of the transverse rod 7 is fixed to the front of the base 1, and the longitudinal rod 8 is provided below the transverse movable plate 3, and the longitudinal movable plate 4 is provided with a through hole longitudinally downward, and the longitudinal movable plate 4 adopts a through hole sleeve as far as the outside of the longitudinal rod 8, and a clamping plate 5 is provided on the back of the longitudinal movable plate 4, and the bridge deck sides of the clamping plate 5 are tightly attached to each other; the transverse movable plate 3 and the storage column 2 reciprocate along the extension direction of the transverse rod 7; the longitudinal movable plate 4 reciprocates along the extension direction of the longitudinal rod 8; a connecting rod 9 is provided on the back of the base 1.

[0024] The two bases 1 are respectively placed on both sides of the bridge deck, and the bridge body is clamped therebetween, so that the bridge body with cracks or the like can be fixed by pulling between the two bases 1. In order to facilitate the clamping of bridge bodies of different sizes, the two bases 1 are placed between the upper surface of the bridge body, and each base 1 is attached to the edge above the bridge body. At this time, the transverse movable plate 3 is moved outward from the bridge deck, and the transverse movable plate 3 is used to fit the side of the bridge body. After the two bases 1 collide with each other, the two sides of the bridge body are clamped firmly. In order to ensure that the bridge body is not easily moved outward due to insufficient force points during the clamping process, the utility model also moves the longitudinal movable plate 4 downward, so that the clamping plate 5 with force on the side of the bridge deck can contact the side of the bridge body as much as possible, thereby increasing the force area.

[0025] Among them, when each base 1 is placed on the bridge deck, a connecting rod 9 is connected between the two, and the two bases 1 are pulled by the connecting rod 9. When the two bases 1 retract the transverse moving plates 3, the connecting rod 9 also pulls the two to achieve a narrowing effect.

[0026] When adopting the above structure, it needs to be further explained that, in order to ensure the fixing effect of the bridge body, a plurality of bases 1 are arranged at the edge of the same bridge body surface, and a rod body is connected between the plurality of bases 1 at the same edge, and the rod body is used to pull every two bases 1, so that the plurality of bases 1 at the same edge can pull, clamp and fix the transverse broken section of the bridge body.

[0027] At least two bases 1 are provided, one of the two bases 1 is provided at one edge of the bridge deck outside, and the other base 1 is provided at the other edge of the bridge deck outside, and the two bases 1 are provided in a straight line; the opposite ends of the two connecting rods 9 are respectively provided with external threads, and one end of the two connecting rods 9 is respectively meshed and connected with a threaded sleeve 91; an extension rod 92 is meshed and connected between the two threaded sleeves 91, and the two ends of the extension rod 92 are respectively meshed and connected in each threaded sleeve 91 by threads; a pad 11 is provided at one edge of the base 1, and a fixing hole is opened in the pad 11.

[0028] With the above structure, it needs to be further explained that the two connecting rods 9 are connected to each other by respectively threading a threaded sleeve 91, wherein, in order to provide bridge decks of different widths, two threaded sleeves 91 can be provided, and a connecting rod 9 for auxiliary connection is connected between the threaded sleeves 91, and the two ends of the connecting rod 9 are meshedly connected with the two threaded sleeves 91 by threads.

[0029] The fixing holes of the pad 11 are used to fix the pad 11 on the bridge deck when the base 1 is placed on the bridge deck. In order to ensure the fixation and stability of the pad 11, the pad 11 is fixed on the bridge deck by inserting steel nails for fixing in the fixing holes to achieve the fixing effect.

[0030] Each of the bases 1 is provided with a control unit 12, a reserve battery 13 and a signal receiving unit 14; a wiring hole is provided on a side of each of the bases 1 away from the pad 11, a wire tube is connected to the wiring hole at the beginning of the base 1, and is electrically connected to the reserve battery 13 through the wire tube, and the control unit 14 is connected to the reserve battery 13 and the signal receiving unit 14 through a wire tube at the top, and is electrically connected; a lead groove is provided on the front of each of the bases 1, and the control unit 12 is connected to a plurality of wire tubes, which are passed through and extend outside the lead groove.

[0031] With the above structure, it needs to be further explained that the control unit 12 of the utility model is composed of a plurality of circuit boards, and the start and stop of the electrical components of the utility model are controlled by the control unit 12, which is also electrically connected to the reserve battery 13 to cut off the power connection of the electrical components in the utility model, and the signal receiving unit 14 connected to the utility model is a WIFI / Bluetooth receiving device. After the instruction is sent through the external wireless signal, the signal receiving unit 14 accepts the signal instruction and transmits the instruction to the control unit 12, so that the control unit 12 transmits the start and stop signal to the electrical components of the utility model to realize the start and stop. In the above structure, this setting can reduce manual debugging and operation, thereby further reducing manpower loss.

[0032] The lead slot is used to provide the storage battery 13 with an external power source for storing or transmitting electric energy, and the control unit 12 can also realize the input or debugging of program instructions through a wired electrical connection with an external control device.

[0033] A terminal block 21 is provided in the storage column 2, and a spring wire tube extends from the terminal block 21 toward the opening opened at the end of the storage column 2, and the spring wire tube of the terminal block 21 is stored in the groove of the opening of the storage column 2, and the end of the storage column 2 away from the opening is the front end, and a limit block 6 is provided at the front end of the storage column 2; a wiring port is respectively provided in the area where the storage column 2 and the transverse moving plate 3 are in contact, and the terminal block 21 adopts a wire tube to pass through the wiring port and extend into the transverse moving plate 3.

[0034] With the above structure, it needs to be further explained that when the storage column 2 does not move, the spring wire tube is stored in the opening of the storage column 2 to avoid exposure of the spring wire tube.

[0035] A wire hole is opened at the edge outside the transverse moving plate 3, and a wire tube led out from the base 1 is passed through the wire hole of the transverse moving plate 3 and connected to the wire tube inside the transverse moving plate 3; a translation motor 31 is arranged in the transverse moving plate 3, and the translation motor 31 is electrically connected to the wire tube introduced into the transverse moving plate 3, and there are two wire tubes introduced into the transverse moving plate 3, and the other wire tube introduced into the transverse moving plate 3 passes through and extends to the bottom of the transverse moving plate 3, and penetrates to the outside of the transverse moving plate 3; a gear is arranged above the translation motor 31, and the translation motor 31 is connected to the bottom of the transverse rod 7 through gear meshing, and through the cooperation between the translation motor 31 and the gear, the transverse moving plate 3 is driven to reciprocate in one direction along the transverse rod 7.

[0036] A wire hole is provided at the outer edge of the longitudinal movable plate 4, and a wire tube extending outward from the base 1 is passed through the wire hole of the longitudinal movable plate 4; a guide motor 42 is provided on the opposite sides inside the longitudinal movable plate 4, and the two guide motors 42 are electrically connected to the wire tube extending from the base 1, and the two guide motors 42 are respectively provided with a gear, and a guide wheel 41 is respectively provided above the two guide motors 42; each of the guide wheels 41 is driven to rotate by meshing with the gears of each corresponding guide motor 42; each of the guide wheels 41 is meshed and connected with the opposite sides of the longitudinal rod 8, and drives the longitudinal movable plate 4 to reciprocate in one direction; a limit block 6 is provided below the longitudinal movable plate 4.

[0037] With the above structure, it needs to be further explained that the transverse moving plate 3 is moved by the internal translation motor 31 engaging the transverse rod 7 , and the longitudinal moving plate 4 is also driven to move by the two guide motors 42 .

[0038] A toothed groove is provided on one side of the transverse rod 7 which is meshed with the transverse movable plate 3 above, and a positioning groove is provided on the side of the transverse rod 7 opposite to the toothed groove, and a slot is provided in the positioning groove of the transverse rod 7; an engaging strip 81 is provided on both sides of the longitudinal rod 8, each of the engaging strips 81 is meshed with a corresponding guide wheel 41 in the longitudinal movable plate 4, and strip grooves consistent with the positioning groove structure of the transverse rod 7 are provided on one side of the longitudinal rod 8 and facing the limit block 6.

[0039] A solenoid valve 61 is provided in each of the limit blocks 6, and the solenoid valve 61 is connected to the terminal board 21 in the storage column 2 by a wire tube; a gap is provided above each of the solenoid valves 61, and a magnetic block is provided above the gap of the solenoid valve 61, and the magnetic block is fixed to a limit plug plate 62, and the limit plug plate 62 is passed through one end of the limit block 6, and the limit plug plate 62 is inserted into the positioning groove of the transverse rod 7 or the longitudinal rod 8, and embedded in the slot in each positioning groove.

[0040] With the above structure, it needs to be further explained that when the transverse moving plate 3 or the longitudinal moving plate 4 moves to the required area, the magnetic block is adsorbed by the battery valve 61, so that the fiber plug board 62 connected to the magnetic block shrinks, and the limiting plug board 62 is inserted into the corresponding slot of the transverse rod 7 or the longitudinal rod 8 to fix it in position. After the limiting plug board 62 is inserted into the slot, the limiting plug board 62 is more firmly fixed in the slot through the pulling and squeezing force.

[0041] When the limit plug plate 62 needs to be reset, the magnets are repelled by the electromagnetic valve 61 to eject it outward, and the magnetic block pushes the limit plug plate 62 out to reset it, thereby releasing the penetration and fixation of the slot.

[0042] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A steel structure bridge deck for bridge maintenance and reinforcement, comprising: A base, a storage column, a transverse movable plate, a longitudinal movable plate, a clamping plate, a limit block, a transverse rod and a longitudinal rod, characterized in that the base pad is placed on the external bridge deck surface, a storage groove is provided above the base, the storage column is placed in the storage groove of the base, an opening is provided at one end of the storage column, the opening extends and is connected with a wire tube, and the wire tube is extended and passed through the base, the other end of the storage column and the front side of the base are vertically arranged with the transverse movable plate, a notch is provided above the transverse movable plate, the storage The column extends to the outside of the base and is embedded in the notch above the transverse movable plate. The transverse movable plate is provided with a through hole in the transverse direction. The transverse rod crosses the through hole of the transverse movable plate. One end of the transverse rod is fixed to the front of the base. A longitudinal rod is provided below the transverse movable plate. A through hole is provided in the longitudinal direction downward. The longitudinal movable plate is sleeved with a through hole to the outside of the longitudinal rod. A clamping plate is provided on the back of the longitudinal movable plate. The bridge deck sides outside the clamping plate are closely attached to each other. The transverse moving plate and the storage column reciprocate along the extension direction of the transverse rod; The longitudinal movable plate reciprocates along the extending direction of the longitudinal rod; A connecting rod is arranged on the back side of the base.

2. The steel structure bridge deck for bridge repair and reinforcement according to claim 1, characterized in that: At least two bases are provided, one of the two bases is provided at one edge of the bridge deck outside, and the other base is provided at the other edge of the bridge deck outside, and the two bases are provided in a straight line; The two connecting rods are respectively provided with external threads at opposite ends, and one end of the two connecting rods is respectively meshed and connected with a threaded sleeve; An extension rod is meshedly connected between the two threaded sleeves, and both ends of the extension rod are respectively meshedly connected in each threaded sleeve by threads; A pad is provided at an edge of the base, and a fixing hole is formed in the pad.

3. The steel structure bridge deck for bridge repair and reinforcement according to claim 2, characterized in that: Each of the bases is provided with a control unit, a reserve battery and a signal receiving unit; A wiring hole is provided on one side of each base away from the pad, a wire tube is connected to the wiring hole at the beginning of the base, and is electrically connected to the reserve battery through the wire tube, and the control unit is connected to the reserve battery and the signal receiving unit through the wire tube, and is electrically connected; A wire guide groove is arranged on the front side of each base, and the control unit is connected to a plurality of wire tubes and is passed through and extended to the outside of the wire guide groove.

4. The steel structure bridge deck for bridge repair and reinforcement according to claim 1, characterized in that: A wiring board is provided in the storage column, a spring wire tube is extended from the wiring board toward the opening at the end of the storage column, and the spring wire tube of the wiring board is stored in the groove of the storage column opening, the end of the storage column away from the opening is the front end, and a limit block is provided at the front end of the storage column; The area where the storage column and the transverse movable plate are in contact with each other is respectively provided with a wiring port, and the wiring board is provided with a wire tube passing through the wiring port and extending into the transverse movable plate.

5. The steel structure bridge deck for bridge repair and reinforcement according to claim 1, characterized in that: A wire hole is opened at the outer edge of the transverse moving plate, and a wire tube led out from the base is passed through the wire hole of the transverse moving plate and connected to the wire tube in the transverse moving plate; A translation motor is provided inside the transverse moving plate, and the translation motor is electrically connected to the wire tube introduced by the transverse moving plate, and the wire tube introduced by the transverse moving plate is provided with two wire tubes, and the other wire tube introduced by the transverse moving plate passes through and extends to the bottom of the transverse moving plate, and penetrates to the outside of the transverse moving plate; A gear is disposed above the translation motor, and the translation motor is meshedly connected to the bottom of the transverse rod through the gear, and the cooperation between the translation motor and the gear drives the transverse moving plate to reciprocate in one direction along the transverse rod.

6. The steel structure bridge deck for bridge repair and reinforcement according to claim 1, characterized in that: A wire hole is provided at the outer edge of the longitudinal movable plate, and a wire tube extending outward from the base is passed through the wire hole of the longitudinal movable plate; A guide motor is respectively provided on two opposite sides of the longitudinal moving plate, the two guide motors are electrically connected to the wire tube extending from the base, the two guide motors are respectively provided with a gear, and a guide wheel is respectively provided above the two guide motors; Each of the guide wheels is driven to rotate by meshing with the gears of each corresponding guide motor; Each of the guide wheels is meshedly connected with two opposite sides of the longitudinal rod, and drives the longitudinal movable plate to reciprocate in one direction; A limiting block is arranged below the longitudinal moving plate.

7. The steel structure bridge deck for bridge repair and reinforcement according to claim 6, characterized in that: A tooth groove is provided on one side of the transverse rod that is meshed with the transverse moving plate, and a positioning groove is provided on the side of the transverse rod opposite to the tooth groove, and a slot is provided in the positioning groove of the transverse rod; An engaging strip is respectively provided on both sides of the longitudinal rod, and each engaging strip is engaged and connected with a corresponding guide wheel in the longitudinal movable plate. One side of the longitudinal rod is provided with strip grooves consistent with the positioning groove structure of the transverse rod facing the limit block.

8. The steel structure bridge deck for bridge repair and reinforcement according to claim 1, characterized in that: Each of the limit blocks is provided with a solenoid valve, and the solenoid valve is connected to the terminal block in the storage column by a wire tube; A gap is provided above each of the solenoid valves, a magnetic block is provided above the gap of the solenoid valve, and the magnetic block is fixed to a limit plug plate, the limit plug plate is passed through one end of the limit block, the limit plug plate is inserted into the positioning groove of the transverse rod or the longitudinal rod, and embedded in the slot in each positioning groove.

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