CN113622280A

CN113622280A - Assembled pedestrian bridge

Info

Publication number: CN113622280A
Application number: CN202110992805.9A
Authority: CN
Inventors: 林锐生
Original assignee: Shenzhen Yilicheng Construction Engineering Co ltd
Current assignee: Shenzhen Harbor Construction Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2021-11-09
Anticipated expiration: 2041-08-27
Also published as: CN113622280B

Abstract

The application relates to an assembly type pedestrian bridge, which comprises a bridge body, wherein stairs can be detachably connected to two ends of the bridge body, a main support column is arranged below the bridge body, a mounting groove is formed in the lower part of the bridge body, a plurality of fixing grooves are formed in the bottom wall of the mounting groove, a cavity is formed in the main support column, a fixing block is arranged on the main support column in a penetrating and sliding mode and is connected with the main support column, a fixing plate stretches across the cavity of the main support column, a driving rod is arranged on the fixing plate in a penetrating and sliding mode and is connected with the driving rod, the fixing block is fixedly arranged on the driving rod, a spring is arranged on the fixing plate and is fixedly arranged on the fixing block, and a driving piece used for driving a plate body to rotate or move in the main support column is arranged on the main support column; this application has the advantage that makes assembled pedestrian bridge be applicable to different grade type lanes.

Description

Assembled pedestrian bridge

Technical Field

The application relates to the field of municipal facilities, in particular to an assembled pedestrian bridge.

Background

The pedestrian overpass is generally built in a section with large traffic flow and dense pedestrians, or on intersections, squares and railways. The pedestrian overpass only allows pedestrians to pass through, is used for avoiding conflict when traffic flow and pedestrian flow planes are intersected, ensures safe crossing of people, improves the speed of the vehicle, and reduces traffic accidents.

Application publication number is CN 113026531A's chinese patent discloses an assembled steel construction pedestrian bridge, including the bridge floor, the bridge floor both sides are provided with the guardrail, be provided with the street lamp on the bridge floor, the bridge floor top is provided with the arch rib, be provided with the stull between the arch rib, the street lamp top is provided with the lamp holder, inside control module and the timing module of being provided with of street lamp, the bridge floor both ends are provided with pressure sensor, department is provided with the main tributary strut between the bridge floor bottom, the main tributary strut bottom is provided with the built-in fitting, bridge floor bottom both sides are provided with the collateral branch strut.

With respect to the related art among the above, the inventors consider that the following technical drawbacks exist: the main supporting columns and the side supporting columns form a lane for vehicles to pass through, facilities such as isolation belt green belts are usually arranged on the lane, and when the lane faces isolation belt green belts at different positions, pedestrian overpasses with different specifications need to be prefabricated, so that the applicability of the same pedestrian overpass is reduced.

Disclosure of Invention

In order to improve the suitability of same pedestrian overpass, this application provides an assembled pedestrian overpass.

The application provides an assembled pedestrian bridge adopts following technical scheme:

an assembled pedestrian bridge comprises a bridge body, wherein two ends of the bridge body are detachably connected with stairs, main supporting columns are arranged below the bridge body and positioned on two sides of the bridge body, side supporting columns are arranged below the stairs, a mounting groove for the main supporting columns to move in is formed in the bridge body along the length direction of the bridge body, a plurality of fixing grooves are formed in the bottom wall of the mounting groove of the bridge body along the length direction of the mounting groove, a cavity is formed in each main supporting column, a fixing block is arranged on the surface, facing the bridge body, of each main supporting column in a penetrating and sliding mode and is connected with the main supporting column in a penetrating and sliding mode, a fixing plate stretches across and is fixedly connected with the cavity of each main supporting column, a driving rod is arranged on the fixing plate in a penetrating and sliding mode and is connected with the fixing block, the fixing block is fixedly arranged on the end portion, close to the bridge body, of the fixing plate is provided with a spring, the end portion, far away from the fixing plate, of the spring is arranged on the fixing block, the spring housing is established on the actuating lever, the tip that the pontic was kept away from to the actuating lever rotates and is provided with the plate body, first spout has been seted up along the axis direction of main tributary dagger on the inner wall of main tributary dagger, the fixed slider that is used for sliding connection in first spout that is provided with on the plate body, the second spout that is used for supplying the body of rod immigration, fixes to the fixed slot in order to drive the fixed block is offered to the tip that just is located first spout and is close to the pontic on the main tributary dagger, the second spout is seted up on the main tributary dagger inner wall along the horizontal direction, be provided with on the main tributary dagger and be used for driving the plate body and be located the main tributary dagger internal rotation or the driving piece that removes.

By adopting the technical scheme, the main supporting column is driven to move in the mounting groove, so that the position of the main supporting column is adjusted, the main supporting column can avoid green belts or other objects on a road, and the applicability of the whole assembly type pedestrian overpass is improved; after the main tributary dagger removed to the assigned position, drive the plate body through the driving piece and be located main tributary dagger rebound, the plate body can drive the slider and be located first spout and remove, the spring is extruded to compression state this moment, make the actuating lever drive the fixed block and peg graft to the fixed slot in, when the slider removes the position to second spout place, drive the plate body through the driving piece and rotate, make the plate body drive the slider and remove to the second spout in, thereby make the fixed block fixed to the fixed slot in, make the main tributary dagger fixed to the position after adjusting, adopt its simple structure of setting up of fixed block and fixed slot and driving piece, be convenient for fix the main tributary dagger, and can drive whole pedestrian bridge and possess better intensity.

Optionally, the plate body is integrally made of a metal material, and the driving piece includes an electromagnet which is arranged on the outer wall of the main supporting column and used for being adsorbed by the plate body.

Through adopting above-mentioned technical scheme, through circular telegram to the electro-magnet for the plate body adsorbs to the electro-magnet on, move on being located the outer wall of main tributary dagger with the electro-magnet, make the electro-magnet drive the plate body and remove or rotate, adopt setting up of electro-magnet can make the plate body of hiding in the main tributary dagger realize removing and rotating, thereby prevent that illegal personnel from causing malicious destruction to the main tributary dagger, adopt its adjustable and the plate body between the suction of setting up of electro-magnet, thereby improved the removal and the rotation effect that the electro-magnet drove the plate body.

Optionally, main tributary dagger is gone up the cover and is established and sliding connection has the collar, a plurality of bar holes have been seted up along main tributary dagger in the circumference position on the main tributary dagger, every the bar hole all sets up along the axis direction of main tributary dagger, be provided with a plurality of connecting rods on the inner wall of collar, it is a plurality of the connecting rod is the one-to-one setting with a plurality of bar holes, the connecting rod passes on bar hole and fixed connection to fixed block, the last circumference rigidity along the collar of installing of collar is provided with a plurality of bracing pieces, every the tip that the collar was kept away from to the bracing piece all is provided with and is used for butt joint to the butt joint board on the pontic.

Through adopting above-mentioned technical scheme, when the plate body drove the actuating lever and removes, the fixed block can drive the collar removal for the fixed block drives a plurality of butt joint boards butt joint to the pontic when pegging graft to the fixed slot in, makes the main tributary dagger when fixed to the pontic, drives a plurality of butt joint boards and plays the effect of support to the pontic, thereby has improved the intensity of pontic when using.

Optionally, the end that the pontic was kept away from to main tributary dagger and collateral branch dagger is all fixed to be provided with the pedestal, the holding tank has been seted up towards in the pedestal on the face that the pontic was kept away from to the pedestal, set up the opening that is used for with the holding tank intercommunication on the lateral wall of pedestal, can dismantle in the holding tank of pedestal and be connected with the mounting panel, be provided with a plurality of gyro wheels on the mounting panel, be provided with the actuating mechanism who is used for driving a plurality of gyro wheels immigration or shifts out the holding tank on the mounting panel.

Through adopting above-mentioned technical scheme, because of the pontic and stair weight are heavier, can drive the gyro wheel through actuating mechanism and shift out the holding tank to make gyro wheel butt to subaerial, be convenient for drive pontic and stair remove, thereby be convenient for drive the main tributary dagger adjust and the position between the pontic, improved the effect of buildding to assembled pedestrian overpass.

Optionally, actuating mechanism includes the screw rod, moves a section of thick bamboo and a solid fixed cylinder, the screw rod is worn to establish and is rotated and connect on the mounting panel, it establishes and threaded connection on the screw rod to move the cover, gu fixed cylinder is fixed to be set up on the mounting panel, it is located a solid fixed cylinder to move the section of thick bamboo, the guide way has been seted up to the both sides that just are located a solid fixed cylinder on the inner wall of a solid fixed cylinder, it is fixed the guide block that is provided with sliding connection in the guide way, a plurality of just to be located the both sides that move a section of thick bamboo on the outer wall of a removal section of thick bamboo the gyro wheel rotates and sets up on the face that the mounting panel was kept away from to a removal section of thick bamboo.

Through adopting above-mentioned technical scheme, rotate through driving the screw rod, because of guide block sliding connection in the guide way, make a removal section of thick bamboo can not follow the rotation of screw rod and rotate, thereby make a removal section of thick bamboo be located the screw rod and remove, a removal section of thick bamboo can drive a plurality of gyro wheels immigration or shift out the pedestal, adopt screw rod drive's mode, can drive the gyro wheel and fix to the pedestal outside or in the pedestal, thereby make the gyro wheel support whole main tributary dagger and collateral branch dagger, improved the drive effect to the gyro wheel.

Optionally, the connecting groove has been seted up to the both sides that just are located the holding tank in the holding tank of pedestal, the length direction of connecting groove sets up along the plane at perpendicular to opening place, the connecting groove is close to the open-ended tip and runs through the lateral wall setting of holding tank, both sides the both sides edge that the holding tank is used for supplying the mounting panel moves into, the mounting panel can be dismantled in the holding tank through the connecting groove and connect.

Through adopting above-mentioned technical scheme, peg graft the mounting panel to both sides spread groove in for the mounting panel drives the gyro wheel and installs to the holding tank in, is located shifting out of spread groove through driving the mounting panel, can realize the dismantlement of mounting panel, and the installation is just simple with dismantling the mean square, has improved installer's installation and dismantlement efficiency.

Optionally, the both ends of the pontic have seted up the recess towards the pontic, the recess sets up along the length direction at pontic one end edge, the fixed elastic strip that is used for pegging graft to the recess that is provided with on the stair, the pontic passes through recess and elastic strip can dismantle the connection at the pontic both ends, the both ends of pontic all are provided with and are used for fixing the fixed establishment in the recess with the elastic strip.

Through adopting above-mentioned technical scheme, peg graft the elasticity strip to the recess in, fix the elasticity strip in the recess through fixed establishment to make stair and pontic installation to be in the same place, the setting that adopts the elasticity strip can make and possess certain buffering effect between stair and the pontic, leads to the junction between stair and the pontic to take place the fracture when preventing the earthquake, has improved the security of whole assembled people's bridge.

Optionally, the fixing mechanism comprises a bidirectional screw rod and nuts sleeved on the two ends of the bidirectional screw rod and screwed on the two ends of the bidirectional screw rod, mounting holes for the bidirectional screw rod to be inserted into the grooves are formed in positions of the bridge body, which are located at the two ends of the grooves, and through holes for the bidirectional screw rod to pass through are formed in the elastic strips.

Through adopting above-mentioned technical scheme, pass the mounting hole with two-way lead screw for two-way lead screw is worn to establish in the through-hole of elasticity strip, and on twisting the nut to the both ends screw portion of two-way lead screw, make two-way lead screw fix the elasticity strip in the recess, thereby make stair install to the pontic, it is better to adopt its fixed fastness that sets up of two-way lead screw and nut, has improved the fixed effect of installation between stair and the pontic.

Optionally, the position that just is located the spout place on the pontic offers the locking groove that is used for supplying the nut immigration, the cross section of nut is the hexagon setting, the locking groove is mutually supported the setting with the nut of hexagon.

Through adopting above-mentioned technical scheme, twist the nut to two-way lead screw on, through rotating two-way lead screw this moment, the manual nut that prevents of operating personnel is followed the rotation of two-way lead screw and is rotated for the nut removes to locking inslot, hides the nut at locking inslot, prevents that nut and two-way lead screw from breaking away from, has improved the fixed effect of two-way lead screw to the elastic strip, thereby has further improved the installation effect between stair and the pontic.

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

the main supporting column is driven to move in the mounting groove, so that the position of the main supporting column is adjusted, the main supporting column can avoid green belts or other objects on roads, and the applicability of the whole assembly type pedestrian overpass is improved; after the main support column moves to a specified position, the plate body is driven to be located in the main support column to move upwards through the driving piece, the plate body can drive the sliding block to move in the first sliding groove, the spring is extruded to a compressed state at the moment, the driving rod drives the fixing block to be inserted into the fixing groove, when the sliding block moves to the position of the second sliding groove, the plate body is driven to rotate through the driving piece, the plate body drives the sliding block to move into the second sliding groove, the fixing block is fixed into the fixing groove, the main support column is fixed to the adjusted position, the structure is simple by adopting the fixing block, the fixing groove and the driving piece, the main support column is convenient to fix, and the whole passenger footbridge can be driven to have better strength;

because of the pontic and stair weight are heavier, can drive the gyro wheel through actuating mechanism and shift out the holding tank to make gyro wheel butt subaerial, be convenient for drive pontic and stair remove, thereby be convenient for drive the main tributary dagger adjust with the position between the pontic, improved the effect of buildding to assembled pedestrian bridge.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of an exploded structure of an elastic strip and groove according to an embodiment of the present application;

FIG. 3 is a schematic view of a half-section structure of a main support column according to an embodiment of the present application;

FIG. 4 is a schematic semi-sectional structural view of the main support pillar for showing the first and second chutes according to the embodiment of the present application;

FIG. 5 is a schematic structural diagram for showing a slider according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a seat body according to an embodiment of the present application;

fig. 7 is a schematic half-sectional view of a seat body according to an embodiment of the present application.

Description of reference numerals: 1. a bridge body; 11. a staircase; 111. a groove; 112. an elastic strip; 113. a bidirectional lead screw; 114. a nut; 115. a locking groove; 116. mounting holes; 117. a through hole; 12. a main support column; 121. side support columns; 122. mounting grooves; 123. fixing grooves; 124. a cavity; 125. a fixed block; 13. a fixing plate; 131. a drive rod; 132. a spring; 133. a plate body; 134. a first chute; 135. a slider; 136. a second chute; 137. an electromagnet; 14. a mounting ring; 141. a strip-shaped hole; 142. a connecting rod; 143. a support bar; 144. a butt joint plate; 15. a base body; 151. accommodating grooves; 152. an opening; 153. opening and closing the door; 154. mounting a plate; 155. connecting grooves; 156. a roller; 16. a screw; 161. moving the drum; 162. a fixed cylinder; 163. rotating the handle; 164. a guide groove; 165. and a guide block.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses an assembled pedestrian bridge. Combine fig. 1 and fig. 2, an assembled pedestrian bridge, including pontic 1, the both ends of pontic 1 can be dismantled and be connected with stair 11, and recess 111 has been seted up towards interior pontic 1 in the both ends of pontic 1, and recess 111 sets up along the length direction at 1 one end edge of pontic, and stair 11 is last to be fixed to be provided with and to be used for pegging graft to the elastic strip 112 in the recess 111, and pontic 1 can be dismantled through recess 111 and elastic strip 112 and connect at 1 both ends of pontic.

With reference to fig. 1 and 2, in order to fix the elastic strip 112 in the groove 111, fixing mechanisms for fixing the elastic strip 112 in the groove 111 are arranged at both ends of the bridge body 1; the fixing mechanism comprises a bidirectional screw 113 and nuts 114 sleeved on and screwed on threaded parts at two ends of the bidirectional screw 113, mounting holes 116 for the bidirectional screw 113 to be inserted into the grooves 111 are formed in positions, located at two ends of the grooves 111, on the bridge body 1, through holes 117 for the bidirectional screw 113 to pass through are formed in the elastic strips 112, locking grooves 115 for the nuts 114 to move in are formed in positions, located at the sliding grooves, on the bridge body 1, the cross sections of the nuts 114 are arranged in a hexagonal shape, and the locking grooves 115 and the hexagonal nuts 114 are arranged in a matched mode; the elastic strip 112 is inserted into the groove 111, the bidirectional screw 113 is arranged in the groove 111 and the through hole 117 in a penetrating manner through the mounting hole 116, the nuts 114 are screwed at two ends of the bidirectional screw 113 at the moment, and the nuts 114 move into the locking grooves 115 by driving the bidirectional screw 113 to rotate, so that the elastic strip 112 is fixed into the groove 111.

Combine fig. 1 and fig. 3, under the pontic 1 and be located the both sides of pontic 1 and be provided with main support column 12, all be provided with side support column 121 under the both sides stair 11, the mounting groove 122 that is used for supplying main support column 12 to move into is offered along the length direction of pontic 1 under the pontic 1, the transversal setting of personally submitting "U" shape of mounting groove 122, the both ends of mounting groove 122 run through pontic 1 setting, a plurality of fixed slots 123 have been seted up along the length direction of mounting groove 122 on the mounting groove 122 diapire of pontic 1, cavity 124 has been seted up in the main support column 12, main support column 12 wears to establish and sliding connection has fixed block 125 towards the face of pontic 1, the transversal circular setting of personally submitting of fixed slot 123, fixed block 125 cooperates the setting with circular fixed slot 123.

As shown in fig. 3, in order to drive the fixing block 125 to be inserted into the fixing groove 123, the fixing plate 13 spans across and is fixed in a welding manner in the cavity 124 of the main support column 12, the fixing plate 13 is penetrated and slidably connected with the driving rod 131, the fixing block 125 is fixedly disposed on the end portion of the driving rod 131 close to the bridge body 1, a spring 132 is disposed on a surface of the fixing plate 13 facing the bridge body 1, an end portion of the spring 132 far away from the fixing plate 13 is fixedly disposed on the fixing block 125, and the spring 132 is sleeved on the driving rod 131; when the spring 132 is in a compressed state, the fixing block 125 is inserted into the fixing groove 123 by means of the elastic force of the spring 132.

Referring to fig. 3 and 4, in order to facilitate moving the fixing block 125 into or out of the fixing groove 123, a plate body 133 is rotatably arranged at the end part of the driving rod 131 far away from the bridge body 1, a first sliding groove 134 is arranged on the inner wall of the main supporting column 12 along the axial direction of the main supporting column 12, a sliding block 135 (see fig. 5) which is used for being connected in the first sliding groove 134 in a sliding manner is fixedly arranged on the plate body 133, a second sliding groove 136 which is used for the rod body to move in and is arranged at the end part of the main supporting column 12, which is positioned at the first sliding groove 134 and close to the bridge body 1, so as to drive the fixing block 125 to be fixed in the fixing groove 123 is arranged on the end part of the main supporting column 12, the second sliding groove 136 is arranged on the inner wall of the main supporting column 12 along the horizontal direction, in this embodiment, the cross sections of the first sliding slot 134 and the second sliding slot 136 are both U-shaped, the cross section of the sliding block 135 is circular, and the main supporting column 12 is provided with a driving element for driving the plate 133 to rotate or move in the main supporting column 12; the plate body 133 is integrally made of a metal material, the plate body 133 is integrally made of steel, the driving part includes an electromagnet 137 which is arranged on the outer wall of the main support column 12 and used for being adsorbed to the plate body 133, in this embodiment, the electromagnet 137 is an arc-shaped plate which is attached to the outer wall of the main support column 12, and after the electromagnet 137 is electrified, the electromagnet 137 is attached to the outer wall of the main support column 12, so that the electromagnet 137 adsorbs the plate body 133 to move; in other embodiments, an electric cylinder may be fixedly disposed in the cavity 124, and the fixing block 125 is fixedly disposed on a driving end of the electric cylinder, so that the electric cylinder may also drive the fixing block 125 into or out of the fixing groove 123.

With reference to fig. 4 and 5, in order to further support the bridge body 1, a mounting ring 14 is sleeved and slidably connected to the main support column 12, a plurality of strip-shaped holes 141 are formed in the main support column 12 along the circumferential position of the main support column 12, each strip-shaped hole 141 is arranged along the axial direction of the main support column 12, a plurality of connecting rods 142 are arranged on the inner wall of the mounting ring 14, the connecting rods 142 are arranged in one-to-one correspondence with the strip-shaped holes 141, the connecting rods 142 pass through the strip-shaped holes 141 and are fixedly connected to the fixing block 125, a plurality of supporting rods 143 are fixedly arranged on the mounting ring 14 along the circumferential position of the mounting ring 14, and an abutting plate 144 for abutting against the bridge body 1 is arranged at an end of each supporting rod 143 away from the mounting ring 14; when the plate 133 drives the fixing block 125 to be inserted into the fixing groove 123, the mounting ring 14 may drive the abutting plate 144 to abut against the bridge 1, so as to further support the bridge 1.

Referring to fig. 6 and 7, the main support column 12 and the side support column 121 are both fixedly provided with a seat body 15 at the end far away from the bridge body 1, the cross-sectional area of the seat body 15 is larger than the cross-sectional areas of the main support column 12 and the side support column 121, the cross-sectional area of the seat body 15 is rectangular, an accommodating groove 151 is formed in the seat body 15 on the surface far away from the bridge body 1, an opening 152 used for communicating with the accommodating groove 151 is formed in the side wall of the seat body 15, an opening and closing door 153 used for closing the opening 152 is hinged to the seat body 15, the opening and closing door 153 is fixed to the seat body 15 through a latch lock, and an installation plate 154 is detachably connected in the accommodating groove 151 of the seat body 15.

Referring to fig. 6 and 7, the two sides of the holding groove 151 and located in the holding groove 151 of the seat body 15 are provided with a connecting groove 155, the length direction of the connecting groove 155 is arranged along the plane perpendicular to the opening 152, the end of the connecting groove 155 close to the opening 152 runs through the side wall of the holding groove 151, the two side holding grooves 151 are used for the two side edges of the mounting plate 154 to move in, and the mounting plate 154 is detachably connected in the holding groove 151 through the connecting groove 155.

Referring to fig. 6 and 7, a plurality of rollers 156 are rotatably disposed on the mounting plate 154, and a driving mechanism for driving the plurality of rollers 156 to move into or out of the accommodating groove 151 is disposed on the mounting plate 154; the driving mechanism comprises a screw 16, a moving cylinder 161 and a fixed cylinder 162, the screw 16 is arranged in a penetrating manner and is connected to the mounting plate 154 in a rotating manner, a rotating handle 163 is arranged at the end part of the screw 16 close to the bottom wall of the accommodating groove 151, the moving cylinder 161 is sleeved and connected to the screw 16 in a threaded manner, the fixed cylinder 162 is fixedly arranged on the mounting plate 154, the moving cylinder 161 is positioned in the fixed cylinder 162, guide grooves 164 are formed in the two sides of the fixed cylinder 162 on the inner wall of the fixed cylinder 162, the end part of the guide grooves 164 far away from the mounting plate 154 is in a closed arrangement, guide blocks 165 connected in the guide grooves 164 in a sliding manner are fixedly arranged on the outer wall of the moving cylinder 161 and positioned at the two sides of the moving cylinder 161, the cross section of the guide grooves 164 is in a U-shaped arrangement, the guide blocks 165 are matched with the U-shaped guide grooves 164, and the plurality of rollers 156 are rotatably arranged on the surface of the moving cylinder 161 far away from the mounting plate 154.

The handle 163 is rotated to drive the screw 16 to rotate, and the guide block 165 is slidably connected in the guide groove 164, so that the moving cylinder 161 cannot rotate along with the rotation of the screw 16, and thus the moving cylinder 161 is located on the screw 16 to move, and the moving cylinder 161 can drive the rollers 156 to move in or out of the seat body 15.

The implementation principle of the assembly type pedestrian overpass in the embodiment of the application is as follows: the screw 16 is driven to rotate by rotating the handle 163, so that the rollers 156 move out of the seat body 15, the main supporting column 12 is placed below the bridge body 1, the main supporting column 12 is driven to move in the mounting groove 122, the main supporting column 12 is driven to a specified position, the electromagnet 137 is attached to the main supporting column 12, the electromagnet 137 is adsorbed to the plate body 133, the sliding block 135 on the plate body 133 is driven to move in the first sliding groove 134, so that the fixing block 125 is inserted into the fixing groove 123, at the same time, the sliding block 135 on the plate body 133 is driven to rotate in the second sliding groove 136, so that the fixing block 125 is fixed to the fixing groove 123, the rollers 156 are driven to the accommodating groove 151 by the screw 16, the mounting plate 154 is positioned in the accommodating groove 151 and taken out, and the main supporting column 12 can avoid green belts or other objects on the road by adjusting the position and number of the main supporting column 12, the applicability of the whole assembly type pedestrian overpass is improved.

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 assembled passenger footbridge which characterized in that: comprises a bridge body (1), wherein stairs (11) are detachably connected to two ends of the bridge body (1), main supporting columns (12) are arranged on two sides of the bridge body (1) and on two sides of the bridge body (1), side supporting columns (121) are arranged on the stairs (11), a mounting groove (122) for the main supporting column (12) to move in is formed in the bridge body (1) along the length direction of the bridge body (1), a plurality of fixing grooves (123) are formed in the bottom wall of the mounting groove (122) of the bridge body (1) along the length direction of the mounting groove (122), a cavity (124) is formed in the main supporting column (12), the main supporting column (12) is penetrated and slidably connected with a fixing block (125) on the surface facing the bridge body (1), a fixing plate (13) is spanned and fixedly connected with the cavity (124) of the main supporting column (12), and a driving rod (131) is penetrated and slidably connected with the fixing plate (13), the fixing block (125) is fixedly arranged at the end part of the driving rod (131) close to the bridge body (1), the fixing plate (13) is provided with a spring (132) on the surface facing the bridge body (1), the end part of the spring (132) far away from the fixing plate (13) is fixedly arranged on the fixing block (125), the spring (132) is sleeved on the driving rod (131), the end part of the driving rod (131) far away from the bridge body (1) is rotatably provided with a plate body (133), a first sliding chute (134) is formed in the inner wall of the main supporting column (12) along the axis direction of the main supporting column (12), a sliding block (135) which is used for being connected into the first sliding chute (134) is fixedly arranged on the plate body (133), a second sliding chute (136) which is used for moving the rod body to move in and is formed in the end part, close to the bridge body (1), of the main supporting column (12) and is positioned at the end part of the first sliding chute (134) and is provided with the fixing block (125) to be fixed into the fixing groove (123), the second sliding groove (136) is arranged on the inner wall of the main supporting column (12) along the horizontal direction, and a driving piece for driving the plate body (133) to rotate or move in the main supporting column (12) is arranged on the main supporting column (12).

2. The fabricated pedestrian bridge of claim 1, wherein: the plate body (133) is integrally made of metal materials, and the driving piece comprises an electromagnet (137) which is arranged on the outer wall of the main supporting column (12) and is used for being adsorbed to the plate body (133).

3. The fabricated pedestrian bridge of claim 1, wherein: main tributary dagger (12) are gone up the cover and are established and sliding connection has collar (14), a plurality of bar holes (141) have been seted up along main tributary dagger (12) in the circumferential direction position on main tributary dagger (12), every bar hole (141) all set up along the axis direction of main tributary dagger (12), be provided with a plurality of connecting rods (142) on the inner wall of collar (14), it is a plurality of connecting rod (142) are the one-to-one setting with a plurality of bar holes (141), connecting rod (142) pass on bar hole (141) and fixed connection to fixed block (125), the circumferential rigidity along collar (14) on collar (14) is provided with a plurality of bracing pieces (143), every the tip that collar (14) was kept away from in bracing piece (143) all is provided with butt joint board (144) that are used for butt to bridge body (1).

4. The fabricated pedestrian bridge of claim 1, wherein: main tributary dagger (12) and collateral branch dagger (121) keep away from the equal fixed pedestal (15) that is provided with of tip of pontic (1), holding tank (151) have been seted up towards pedestal (15) on the face of pontic (1) is kept away from in pedestal (15), offer opening (152) that are used for with holding tank (151) intercommunication on the lateral wall of pedestal (15), can dismantle in holding tank (151) of pedestal (15) and be connected with mounting panel (154), be provided with a plurality of gyro wheels (156) on mounting panel (154), be provided with the actuating mechanism who is used for driving a plurality of gyro wheels (156) immigration or shifts out holding tank (151) on mounting panel (154).

5. The fabricated pedestrian bridge of claim 4, wherein: actuating mechanism includes screw rod (16), a removal section of thick bamboo (161) and a fixed section of thick bamboo (162), screw rod (16) are worn to establish and are rotated and connect on mounting panel (154), a removal section of thick bamboo (161) cover is established and threaded connection is on screw rod (16), a fixed setting on mounting panel (154) of a fixed section of thick bamboo (162), a removal section of thick bamboo (161) is located a fixed section of thick bamboo (162), guide way (164) have been seted up to the both sides that just are located a fixed section of thick bamboo (162) on the inner wall of a fixed section of thick bamboo (162), on the outer wall of a removal section of thick bamboo (161) and be located the fixed guide block (165) that are provided with sliding connection in guide way (164) in both sides that remove a section of thick bamboo (161), it is a plurality of gyro wheel (156) rotate to set up on the face of a removal section of thick bamboo (161) keeping away from mounting panel (154).

6. The fabricated pedestrian bridge of claim 5, wherein: connecting groove (155) have been seted up to the both sides that just are located holding groove (151) in holding tank (151) of pedestal (15), the length direction of connecting groove (155) is along the plane setting at edge perpendicular to opening (152) place, the tip that connecting groove (155) are close to opening (152) runs through the lateral wall setting of holding tank (151), both sides holding tank (151) are used for supplying the both sides edge of mounting panel (154) to move into, mounting panel (154) can be dismantled through connecting groove (155) and connect in holding tank (151).

7. The fabricated pedestrian bridge of claim 1, wherein: recess (111) have been seted up towards internal bridge (1) in the both ends of pontic (1), the length direction setting at pontic (1) one end edge is followed in recess (111), fixed elastic strip (112) that are used for pegging graft to recess (111) of being provided with on stair (11), pontic (1) can be dismantled through recess (111) and elastic strip (112) and connect at pontic (1) both ends, the both ends of pontic (1) all are provided with and are used for fixing the fixed establishment in recess (111) with elastic strip (112).

8. The fabricated pedestrian bridge of claim 7, wherein: the fixing mechanism comprises a bidirectional screw rod (113) and nuts (114) which are sleeved on the two ends of the bidirectional screw rod (113) and are in threaded connection, mounting holes (116) used for allowing the bidirectional screw rod (113) to be inserted into the grooves (111) are formed in positions, located at the two ends of the grooves (111), on the bridge body (1), and through holes (117) used for allowing the bidirectional screw rod (113) to pass through are formed in the elastic strips (112).

9. The fabricated pedestrian bridge of claim 8, wherein: the utility model discloses a nut (114) of a motor vehicle, including the bridge body (1), just be located the position at spout place and offer and be used for supplying the locking groove (115) of nut (114) immigration, the transversal hexagon setting of personally submitting of nut (114), locking groove (115) are mutually supported the setting with hexagonal nut (114).