Temporary steel bridge

Abstract

The utility model relates to the technical field of bridges, and discloses a temporary steel bridge which comprises a supporting column, the front face of the supporting column is in threaded connection with a plurality of inserting rods, the front ends and the rear ends of the inserting rods are sleeved with two supporting frames, and two limiting grooves are formed in the front face of the supporting frame located at the forefront; the front face of the supporting frame located at the rearmost portion is fixedly connected with a limiting block. According to the temporary steel bridge, by arranging the limiting blocks and the limiting grooves of the supporting frames, the purpose of quick connection of the two supporting frames can be achieved, the effect of quick fixing and limiting of the supporting columns is achieved, by arranging the mounting frames, quick connection of the supporting columns and the mounting frames can be achieved, the construction time is effectively shortened, and the construction efficiency is improved. By arranging the dampers, the buffering sleeves and the buffering piston rods, the purpose of buffering and damping the bridge plates can be achieved, the safety of a bridge is improved, the service life of the bridge is prolonged, and by arranging the protruding blocks and the grooves at one ends of the bridge plates, extrusion generated by thermal expansion and cold contraction of the two bridge plates can be effectively avoided after connection.

Description

Technical Field

[0001] This application relates to the field of bridge technology, specifically a steel temporary bridge. Background Technology

[0002] Steel temporary bridges are simple bridges temporarily erected using steel materials. They are characterized by their simple structure and convenient transportation, and are widely used in national defense, transportation engineering, and municipal water conservancy projects. They are the most widely used prefabricated load-bearing components in my country.

[0003] An existing patent (publication number: CN213358292U) discloses a steel temporary bridge, which includes a support pile group, two Bailey bridge plates installed on the support pile group, two or more distribution beams with an "I" shaped cross section installed between the two Bailey bridge plates, and a bridge plate clamped between each pair of adjacent distribution beams. Sliding grooves for the distribution beams to be inserted are provided on both sides of the bridge plate.

[0004] During use, the aforementioned temporary steel bridge lacks a shock-absorbing structure. When vehicles travel on the bridge deck, it is prone to vibration and irregular torque, causing continuous friction and collision between the bridge deck and the supporting piles, resulting in safety hazards. Utility Model Content

[0005] To address the shortcomings of existing technologies, this application provides a temporary steel bridge with advantages such as shock absorption, which solves the problem of continuous friction and collision between the bridge deck and the supporting piles, causing safety hazards.

[0006] To achieve the above objectives, this application provides the following technical solution: a steel temporary bridge, comprising a support column, wherein a plurality of insert rods are threadedly connected to the front of the support column, and two support frames are sleeved at the front and rear ends of the plurality of insert rods. The front of the support frame located at the foremost position has two limiting grooves, and the front of the support frame located at the rearmost position is fixedly connected to a limiting block. The top and bottom ends of the two limiting blocks are slidably connected to locking blocks, and a return spring is installed on the side of each locking block near the limiting block. The other end of each return spring is fixedly connected to the inner wall of the limiting block near it.

[0007] The top end of the support column is sleeved with a mounting frame, the top end of the support column is inserted with a buffer plate, the upper surface of the buffer plate is fixedly connected with four support ribs arranged in a matrix, the upper surface of the four support ribs is placed with a bridge plate, the left side surface of the bridge plate is provided with a plurality of protrusion-shaped protrusions arranged at equal distances, the right side surface of the bridge plate is provided with a plurality of groove-shaped recesses arranged at equal distances, the bottom of the buffer plate is fixedly connected with a plurality of buffer sleeves, the inside of each buffer sleeve is inserted with a buffer piston rod, the upper surface of each buffer piston rod is fixedly connected with a buffer spring, the other end of each buffer spring is fixedly connected with the inner wall of the buffer sleeve close thereto, the bottom end of each buffer piston rod is fixedly connected with a connecting disc, and the bottom of the buffer plate is provided with a plurality of dampers.

[0008] Through the above scheme, the quick connection of the two support frames is realized through the setting of the limiting blocks and the limiting grooves of the support frames, the quick fixing and limiting effect of the support column is achieved, the quick connection of the support column and the mounting frame is realized through the setting of the mounting frame, the construction time is effectively reduced, the damping purpose of the bridge plate is realized through the setting of the dampers, the buffer sleeves and the buffer piston rods, the safety and service life of the bridge are improved, the extrusion caused by thermal expansion and cold contraction of the two bridge plates after connection is effectively avoided through the setting of the protrusions and the recesses at one end of the bridge plate, and the overall safety is further improved.

[0009] Further, the left end and the right end of the bridge plate are both provided with a movable groove.

[0010] Through the above scheme, the movable groove is set, and the user can conveniently insert the steel bars.

[0011] Further, the bottom end of the buffer plate is provided with a rounded corner.

[0012] Through the above scheme, the bottom end of the buffer plate is provided with a rounded corner, which can facilitate the insertion of the buffer plate into the inside of the support column during hoisting.

[0013] Further, the bottom end of the mounting frame is provided with a trapezoidal shape.

[0014] Through the above scheme, the bottom end of the mounting frame is provided with a trapezoidal shape, which can facilitate the sleeve connection of the mounting frame and the support column.

[0015] Further, the inner bottom wall of each of the two support frames is provided with a plurality of second through holes.

[0016] Through the above scheme, the first through holes are set, which can facilitate the fixing of the mounting frame and the support column.

[0017] Further, the inner bottom wall of each of the two support frames is provided with a plurality of second through holes.

[0018] Through the above scheme, through the setting of the second through hole, the support frame can be conveniently installed with the ground.

[0019] Further, the left and right ends of the two support frames are triangular.

[0020] Through the above scheme, through the setting of the second through hole, the support frame can be conveniently installed with the ground.

[0021] Further, the left and right ends of the two support frames are triangular.

[0022] Through the above scheme, through the setting of the second through hole, the support frame can be conveniently installed with the ground.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The steel temporary bridge can realize the quick connection of the two support frames through the setting of the limiting block and the limiting groove of the support frame, achieve the quick fixing and limiting effect of the support column, realize the quick connection of the support column and the mounting frame through the setting of the mounting frame, effectively reduce the construction time, realize the buffering and shock-absorbing purpose of the bridge plate through the setting of the damper, the buffer sleeve and the buffer piston rod, improve the safety and service life of the bridge, and effectively avoid the extrusion caused by thermal expansion and cold contraction of the two bridge plates after connection through the setting of the protrusion and the groove at one end of the bridge plate, further improve the overall safety. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a front view of the overall structure of the present application.

[0026] Figure 2 It is a schematic diagram of the separation structure of the two support frames of the present application.

[0027] Figure 3 It is a connection structure of the two support frames of the present application.

[0028] Figure 4 It is a sectional view of the plan view of the support column of the present application.

[0029] Figure 5 It is a schematic diagram of the mounting frame structure of the present application.

[0030] Figure 6 It is a schematic diagram of the buffer plate and the support rib structure of the present application.

[0031] Figure 7 It is a front view of the support column of the present application.

[0032] Figure 8It is a sectional view of the front view of the buffer sleeve and the buffer piston rod structure of the application.

[0033] Figure 9 It is a sectional view of the right view of the two support frame structures of the application.

[0034] In the figure:

[0035] 1, support column; 2, insertion rod; 3, support frame; 4, limiting groove; 5, limiting block; 6, clamping block; 7, reset spring; 8, mounting frame; 9, buffer plate; 10, support rib; 11, bridge plate; 12, buffer sleeve; 13, buffer piston rod; 14, buffer spring; 15, connecting disc; 16, damper; 17, movable groove; 18, first through hole; 19, second through hole; 20, limiting disc; 21, third through hole. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all embodiments. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the application.

[0037] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 9 , a steel temporary bridge in the embodiment comprises a support column 1, a plurality of insertion rods 2 are threadedly connected to the front face of the support column 1, two support frames 3 are sleeved at the front and rear ends of the plurality of insertion rods 2, a plurality of second through holes 19 are formed in the inner bottom walls of the two support frames 3, the installation of the support frames 3 on the ground is facilitated by the arrangement of the second through holes 19, the left and right ends of the two support frames 3 are triangular, the two ends of the support frames 3 are triangular, which can increase the contact area with the ground and improve the stability of the support of the support column 1, two limiting grooves 4 are formed in the front face of the frontmost support frame 3, a limiting block 5 is fixedly connected to the front face of the rearmost support frame 3, clamping blocks 6 are slidingly connected to the top and bottom ends of the two limiting blocks 5, reset springs 7 are installed on the side of each clamping block 6 close to the limiting block 5, and the other end of each reset spring 7 is fixedly connected to the inner wall of the limiting block 5 close to it.

[0038] Please refer to Figure 1 , Figure 5 and Figure 7The top end of the support column 1 is sleeved with a mounting rack 8, the bottom end of the mounting rack 8 is trapezoidal, the bottom end of the mounting rack 8 is trapezoidal, the mounting rack 8 can be sleeved with the support column 1, a plurality of first through holes 18 penetrating through the support column 1 are formed in the outer surface of the mounting rack 8, the mounting rack 8 can be fixed with the support column 1 through the first through holes 18, the top end of the support column 1 is inserted with a buffer plate 9, the bottom end of the buffer plate 9 is rounded, and the buffer plate 9 can be inserted into the support column 1 through the rounded bottom end of the buffer plate 9.

[0039] Please refer to Figure 1 , Figure 2 and Figure 3 , and the upper surface of the buffer plate 9 is fixedly connected with four support ribs 10 arranged in a matrix, the upper surfaces of the four support ribs 10 are placed with a bridge plate 11, the outer surface of each insertion rod 2 is fixedly connected with a limiting disc 20, the inner bottom wall of each support rib 10 is provided with a third through hole 21, the support frame 3 can be fixed to the bridge through the third through hole 21, and the insertion rod 2 can be exposed from both ends of the support column 1 through the limiting disc 20.

[0040] Please refer to Figure 1 , Figure 6 and Figure 8 , in addition, the left side of the bridge plate 11 is provided with a plurality of convex blocks arranged at equal distances, the right side of the bridge plate 11 is provided with a plurality of concave grooves arranged at equal distances, the left end and the right end of the bridge plate 11 are provided with movable grooves 17, the user can conveniently insert the reinforcing steel bars through the movable grooves 17, the bottom of the buffer plate 9 is fixedly connected with a plurality of buffer sleeves 12, each buffer sleeve 12 is inserted with a buffer piston rod 13, the upper surface of each buffer piston rod 13 is fixedly connected with a buffer spring 14, the other end of each buffer spring 14 is fixedly connected with the inner wall of the buffer sleeve 12 close to the buffer spring 14, the bottom end of each buffer piston rod 13 is fixedly connected with a connecting disc 15, and the bottom of the buffer plate 9 is provided with a plurality of dampers 16.

[0041] In the embodiment, the steel bridge is provided with the limiting block 5 and the limiting groove 4 of the support frame 3, the two support frames 3 can be quickly connected, the support column 1 can be quickly fixed and positioned, the mounting rack 8 can be quickly connected with the support column 1, the construction time is effectively reduced, the damper 16, the buffer sleeve 12 and the buffer piston rod 13 can achieve the purpose of buffering and shock absorption of the bridge plate 11, the safety and service life of the bridge are improved, the convex block and the concave groove at one end of the bridge plate 11 can effectively avoid extrusion caused by thermal expansion and cold contraction of the two bridge plates 11 after connection, and the safety of the whole is further improved.

[0042] Need to explain through the right side groove of the bridge plate 11, can realize with another bridge plate 11 left end plug, and cooperate with external reinforcement through the movable slot 17 and limit.

[0043] The working principle of the above embodiment is as follows: in use, by moving the two support frames 3 closer to each other, when the limiting block 5 enters the clamping groove, the clamping block 6 contacts the clamping groove, thereby extruding the two clamping blocks 6 to lock into the interior of the limiting block 5, and compressing the return spring 7, when the clamping block 6 is not in contact with the clamping groove, the clamping block 6 is reset under the reset of the return spring 7, so that the clamping block 6 contacts the support frame 3, completing the connection of the two support frames 3, by using external fixing nails to pass through the second through hole 19 and insert into the external ground, the support frame 3 is fixed, using external hoisting device, the mounting frame 8 is hoisted and sleeved with the support column 1, since the bottom end of the mounting frame 8 is trapezoidal, the support column 1 can enter the interior of the mounting frame 8, the mounting frame 8 is fixed with the support column 1 through the first through hole 18 by using external bolts, then the buffer plate 9 is inserted with the support column 1, and the plurality of connecting discs 15 are connected with the mounting frame 8 by external bolts, then the bridge plate 11 is connected with the support rib 10, the convex block of another bridge plate 11 is connected with the groove of the bridge plate 11, and the movable slot 17 is fixed by using external bolts, completing the overall installation.

[0044] It should be noted that in this document, the terms“first”,“second”, and so on are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms“include”,“contain” or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement“including a…” does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0045] Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A steel temporary bridge comprising support columns (1), characterised in that: The front surface of the support column (1) is threadedly connected with a plurality of insertion rods (2), the front and rear ends of the plurality of insertion rods (2) are sleeved with two support frames (3), the front surface of the frontmost support frame (3) is provided with two limiting grooves (4), the front surface of the rearmost support frame (3) is fixedly connected with a limiting block (5), the top end and the bottom end of the two limiting blocks (5) are both slidably connected with a clamping block (6), one side of each clamping block (6) close to the limiting block (5) is provided with a return spring (7), and the other end of each return spring (7) is fixedly connected with the inner wall of the limiting block (5) close to the return spring (7). The top end of the support column (1) is sleeved with a mounting frame (8), the top end of the support column (1) is inserted with a buffer plate (9), the upper surface of the buffer plate (9) is fixedly connected with four support ribs (10) arranged in a matrix, the upper surface of the four support ribs (10) is placed with a bridge plate (11), the left side of the bridge plate (11) is provided with a plurality of protrusions arranged at equal distances, the right side of the bridge plate (11) is provided with a plurality of recesses arranged at equal distances, the bottom of the buffer plate (9) is fixedly connected with a plurality of buffer sleeves (12), the inside of each buffer sleeve (12) is inserted with a buffer piston rod (13), the upper surface of each buffer piston rod (13) is fixedly connected with a buffer spring (14), the other end of each buffer spring (14) is fixedly connected with the inner wall of the buffer sleeve (12) close to the buffer spring (14), the bottom end of each buffer piston rod (13) is fixedly connected with a connecting disc (15), and the bottom of the buffer plate (9) is provided with a plurality of dampers (16).

2. A steel panel bridge according to claim 1, characterized in that: The left end and the right end of the bridge plate (11) are both provided with a movable groove (17).

3. A steel panel bridge according to claim 1, characterized in that: The bottom end of the buffer plate (9) is provided with a rounded corner.

4. A steel panel bridge according to claim 1, characterized in that: The bottom end of the mounting frame (8) is provided with a trapezoidal shape.

5. A steel panel loading bridge as claimed in claim 1 wherein: The outer surface of the mounting frame (8) is provided with a plurality of first through holes (18) penetrating through the support column (1).

6. A steel panel loading bridge as claimed in claim 1 wherein: The inner bottom wall of the two support frames (3) is provided with a plurality of second through holes (19).

7. A steel panel loading bridge as claimed in claim 1 wherein: The left and right ends of the two support frames (3) are both provided with a triangular shape.

8. A steel panel loading bridge as claimed in claim 1 wherein: The outer surface of each insertion rod (2) is fixedly connected with a limiting disc (20), and the inner bottom wall of the plurality of support ribs (10) is provided with a third through hole (21). The outer surface of each insertion rod (2) is fixedly connected with a limiting disc (20), and the inner bottom wall of the plurality of support ribs (10) is provided with a third through hole (21).

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