Assembly type foundation pit ladder cage for road construction

Abstract

The present application relates to the technical field of civil safety equipment, in particular to an assembled foundation pit ladder cage for road construction, comprising vertical ladder cage units, each vertical ladder cage unit comprising a first vertical rod, a connecting head being detachably fixedly connected at the upper end of each first vertical rod, a gravity block being arranged at the lower end of each first vertical rod, a binding member made of flexible material being installed between each connecting head and the gravity block located at the same first vertical rod, an identification member being arranged at the gravity block of each first vertical rod, and when each gravity block is located at the corresponding position of the identification member, the part of each binding member between the connecting head and the gravity block is parallel to the axis of the first vertical rod, a mounting hole for fixing with an adjacent connecting head being arranged on each gravity block, and when each gravity block is fixed with an adjacent connecting head, the height of the gravity block below each connecting head remains unchanged, so that the perpendicularity of the vertical ladder cage unit to the horizontal plane when single assembled or combined is detected, and the perpendicularity between the vertical direction of the ladder cage and the bottom of the foundation pit is monitored.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of civil safety equipment, in particular to an assembled foundation pit ladder cage for road construction. BACKGROUND

[0002] In the construction of underground work of foundation pit, a foundation pit ladder cage is needed to be set in the pit with complex soil environment, soil collapse at any time, falling of sundries on the ground and pit bottom ground collapse, as a special up-and-down passage for construction personnel from the ground to the bottom. In the installation process of the ladder cage, an assembled ladder cage is used, such as assembling the ladder cage in sections on the ground, and then hoisting and combining in sections in the pit, so as to speed up the installation efficiency. After the installation of the ladder cage is completed, the perpendicularity between the vertical direction of the ladder cage and the bottom of the foundation pit needs to be detected to ensure that the perpendicularity deviation is within a certain range. However, in the process of assembling and hoisting the ladder cage in sections, the perpendicularity cannot be detected while installing, which is prone to cause the problem of too large perpendicularity deviation after installation, resulting in troublesome adjustment. SUMMARY

[0003] In view of the deficiencies of the prior art, in order to overcome the defects of the prior art, the purpose of the present application is to provide an assembled foundation pit ladder cage for road construction, which solves the problem that the perpendicularity cannot be detected while installing in the installation process of the ladder cage.

[0004] The technical scheme is that the assembled foundation pit ladder cage for road construction comprises vertical ladder cage units, each vertical ladder cage unit comprises a first vertical rod arranged in the vertical direction, a connecting head is detachably fixedly connected at the upper end of each first vertical rod, a gravity block is arranged at the lower end of each first vertical rod, a binding piece made of flexible material is installed between each connecting head and the gravity block located at the same first vertical rod, each first vertical rod is provided with an identification piece at the gravity block, and when each gravity block is located at the corresponding position of the identification piece, the part of each binding piece between the connecting head and the gravity block is parallel to the axis of the first vertical rod, an installation hole for fixing with the adjacent connecting head is arranged on each gravity block, and when each gravity block is fixed with the adjacent connecting head, the height of the gravity block below each connecting head remains unchanged.

[0005] Preferably, each connecting head comprises a connecting rod, the connecting rod is rotatably connected with one end of the binding piece, and each connecting head fixedly connected with the upper end of the first vertical rod and the connecting head fixedly connected with the adjacent gravity block are symmetrically arranged.

[0006] Preferably, the lower end of each gravity block is a sharp tip.

[0007] Preferably, each first vertical pole is fixedly connected with a mounting pipe, the axis of each mounting pipe is parallel to the axis of the first vertical pole, the upper end of each mounting pipe is detachably fixedly connected with a support plate, each support plate has a ring structure, and the inner side of each support plate is detachably fixedly connected with a connector.

[0008] Preferably, each connector further comprises an arc-shaped block, the arc-shaped blocks cooperatively form a threaded rod structure with an intermediate space, and the arc-shaped blocks are fixedly connected with a connecting rod.

[0009] Preferably, each gravity block comprises a thick rod, the lower end of the thick rod has a circular truncated cone structure, a mounting hole is formed in the bottom of the thick rod, the mounting hole is a threaded hole, a sliding groove is formed in the thick rod above the mounting hole, the thick rod is slidingly connected with a sliding block at the sliding groove, and the lower end of the sliding block has a sharp structure.

[0010] Preferably, each support plate comprises a left side plate and a right side plate, the left side plate and the right side plate cooperatively form a ring structure, and threads are formed in the inner side and the outer side of the ring structure.

[0011] Preferably, each identification member comprises an identification plate, the identification plate is detachably fixedly connected with the lower end of the mounting pipe, the identification plate is located below the adjacent gravity block, and a mark is arranged at the center of the identification plate.

[0012] Preferably, a through hole is formed in each support plate and identification plate.

[0013] The present application provides an assembled foundation pit ladder cage for road construction, which has the following beneficial effects compared with the prior art:

[0014] 1. When a single vertical ladder cage unit is assembled, the verticality of the assembled single vertical ladder cage unit relative to the horizontal plane is detected through the correspondence between the gravity block and the identification member at this position, so as to facilitate the guarantee that the verticality of the assembled single vertical ladder cage unit relative to the horizontal plane is within a certain range. When the vertical ladder cage unit is installed at the bottom of the foundation pit or combined with the vertical ladder cage unit directly below, the verticality of the installed vertical ladder cage unit relative to the horizontal plane is detected through the correspondence between the gravity block and the identification member at the installed vertical ladder cage unit, so as to facilitate the guarantee that the verticality of the installed vertical ladder cage unit relative to the horizontal plane is within a certain range. After the vertical ladder cage unit is combined and installed with the vertical ladder cage unit directly below, the connector located at the uppermost position in the vertical ladder cage unit directly below is detached from the first vertical pole, and then the connector is fixedly connected with the gravity block at the installed vertical ladder cage unit, so as to facilitate the monitoring of the verticality between the vertical direction of the ladder cage and the bottom of the foundation pit through the correspondence between the gravity block located at the lowermost position in each vertical ladder cage unit and the identification member. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The main view schematic diagram of the installation pipe of the present application.

[0016] Figure 2 The main view schematic diagram of the combination installation of the two vertical ladder cage units of the present application.

[0017] Figure 3 The main view schematic diagram of the installation pipe of the present application.

[0018] Figure 4 The local enlarged schematic diagram of the A of the present application.

[0019] Figure 5 The local enlarged schematic diagram of the B of the present application.

[0020] Figure 6 The local enlarged schematic diagram of the C of the present application.

[0021] Figure 7 The local enlarged schematic diagram of the D of the present application.

[0022] Figure 8 The top enlarged schematic diagram of the support plate of the present application.

[0023] Figure 9 The enlarged schematic diagram of the connecting head E-E direction of the present application.

[0024] In the figure: 1 vertical ladder cage unit, 1.1 first vertical rod, 1.2 second vertical rod, 1.3 horizontal rod, 1.4 step ladder, 1.5 steel reinforcement protective net, 1.6 rib rod, 2 connecting head, 2.1 connecting rod, 2.2 arc block, 3 gravity block, 3.1 thick rod, 3.2 installation hole, 3.3 sliding groove, 3.4 sliding block, 4 binding piece, 5 identification piece, 5.1 identification plate, 5.2 mark, 6 installation pipe, 7 support plate, 7.1 left side plate, 7.2 right side plate, 8 through hole, 9 through opening. DETAILED DESCRIPTION

[0025] The technical solutions of the embodiments of the present application will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application. In the description of the present application, it should be noted that the orientations or position relationships indicated by the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” and the like are based on the orientations or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0026] In addition, the terms "first", "second", "third" are only used for descriptive purpose and should not be construed as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be interpreted broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] The present application will be further described in detail below with specific examples and in conjunction with the accompanying drawings.

[0028] Please refer to Figures 1-9 The present application provides a technical solution: assembled foundation pit ladder cage for road construction, comprising vertical ladder cage unit 1, the arrangement of the foundation pit ladder cage in the vertical direction is formed by stacking and combining a plurality of vertical ladder cage units 1, each vertical ladder cage unit 1 comprises a first vertical rod 1.1, three second vertical rods 1.2, the first vertical rod 1.1 and the second vertical rod 1.2 are the same, and are arranged in the vertical direction, the first vertical rod 1.1 and the second vertical rod 1.2 are arranged in parallel, the first vertical rod 1.1 and the second vertical rod 1.2, and each second vertical rod 1.2 are bolted with cross rod 1.3 between them, the first vertical rod 1.1, the second vertical rod 1.2 and the cross rod 1.3 cooperate to form a cuboid structure, the inside of the cuboid is bolted with step ladder 1.4, the outside of the cuboid is bolted with steel reinforcement protective net 1.5, the first vertical rod 1.1 and the second vertical rod 1.2, and each second vertical rod 1.2 are bolted with rib rod 1.6 between them, and each first vertical rod 1.1 is located in the same vertical direction during use.

[0029] The upper end of each first vertical pole 1.1 is detachably fixedly connected with a connector 2, the lower end of each first vertical pole 1.1 is provided with a gravity block 3, a binding member 4 made of flexible material such as rope is installed between each connector 2 and the gravity block 3 located at the same first vertical pole 1.1, each first vertical pole 1.1 is provided with an identification member 5 at the gravity block 3, when each gravity block 3 is located at the corresponding position of the identification member 5, the part of each binding member 4 between the connector 2 and the gravity block 3 is parallel to the axis of the first vertical pole 1.1, each gravity block 3 is provided with a mounting hole 3.2 for fixing with the adjacent connector 2, and when each gravity block 3 is fixed with the adjacent connector 2, the height of the gravity block 3 below each connector 2 remains unchanged, at each first vertical pole 1.1, the number of gravity blocks 3, connectors 2 and binding members 4 is one, when a single vertical cage unit 1 is assembled, the verticality of the assembled single vertical cage unit 1 relative to the horizontal plane is detected through the correspondence between the gravity block 3 and the identification member 5 at this position, so as to facilitate ensuring that the verticality of the assembled single vertical cage unit 1 relative to the horizontal plane is within a certain range, when the vertical cage unit 1 is installed at the bottom of the foundation pit or combined with the vertical cage unit 1 directly below, the verticality of the installed vertical cage unit 1 relative to the horizontal plane is detected through the correspondence between the gravity block 3 and the identification member 5 at the installed vertical cage unit 1, so as to facilitate ensuring that the verticality of the installed vertical cage unit 1 relative to the horizontal plane is within a certain range, after the vertical cage unit 1 is combined with the vertical cage unit 1 directly below, the connector 2 located at the uppermost position in the vertical cage unit 1 directly below is detached from the first vertical pole 1.1, and then the connector 2 is fixedly connected with the gravity block 3 at the installed vertical cage unit 1, so as to facilitate monitoring the verticality between the vertical cage unit 1 and the bottom of the foundation pit in the vertical direction.

[0030] In an embodiment, in each vertical cage unit 1, the number of first vertical poles 1.1 and second vertical poles 1.2 is four in total, the number of first vertical poles 1.1 can be two, and in this case, the number of second vertical poles 1.2 is two, each first vertical pole 1.1 is a diagonal edge of a cuboid, at each first vertical pole 1.1, the number of gravity blocks 3, connectors 2 and binding members 4 is one, the number of first vertical poles 1.1 can also be three, in this case, the number of second vertical poles 1.2 is one, the number of first vertical poles 1.1 can also be four, and in this case, the number of second vertical poles 1.2 is zero.

[0031] In an embodiment, each connecting head 2 comprises a connecting rod 2.1, the connecting rod 2.1 is rotatably connected with one end of the binding member 4, the connecting head 2 fixedly connected with the upper end of the first vertical pole 1.1 and the connecting head 2 fixedly connected with the adjacent gravity block 3 are symmetrically arranged, wherein one end of the binding member 4 is bound into a circular ring, the circular ring is sleeved on the connecting rod 2.1, the connecting rod 2.1 is in a cylindrical structure, and can also be in other suitable structures, so that the connecting rod 2.1 is relatively rotatable with the binding member 4, when the vertical cage unit 1 is combined and installed with the vertical cage unit 1 directly below, the connecting head 2 located at the uppermost position in the vertical cage unit 1 directly below is disassembled from the first vertical pole 1.1, is turned over by 180°, and then is fixedly connected with the gravity block 3 at the vertical cage unit 1, thereby facilitating the combination of each connecting head 2 and the gravity block 3.

[0032] In an embodiment, each connecting head 2 further comprises an arc-shaped block 2.2, the arc-shaped blocks 2.2 cooperatively form a threaded rod structure with intervals in the middle, and the connecting rod 2.1 is fixedly connected between the arc-shaped blocks 2.2, wherein there are two arc-shaped blocks 2.2 in each connecting head 2, and the arc-shaped blocks 2.2 are in an integral structure with the connecting rod 2.1, when the connecting head 2 is installed at the upper end of the first vertical pole 1.1, the connecting rod 2.1 is located at the upper end of the connecting head 2, and when the connecting head 2 is connected with the gravity block 3, the connecting rod 2.1 is located at the lower end of the connecting head 2, wherein the mounting hole 3.2 is a threaded hole, and through the turning over of the connecting head 2 and the threaded connection between the connecting head 2 and the gravity block 3, the height of the gravity block 3 below each connecting head 2 remains unchanged when each gravity block 3 is fixed with the adjacent connecting head 2.

[0033] In an embodiment, the lower end of each gravity block 3 is a sharp tip, facilitating corresponding reference with the marker 5.

[0034] In an embodiment, each gravity block 3 comprises a thick rod 3.1, the lower end of the binding member 4 is bound and fixed with the center of the upper side of the thick rod 3.1, the lower end of the thick rod 3.1 is in a circular truncated cone structure, a mounting hole 3.2 is formed in the bottom of the thick rod 3.1, the mounting hole 3.2 is a threaded hole, a sliding groove 3.3 is formed in the thick rod 3.1 above the mounting hole 3.2, the thick rod 3.1 is slidingly connected with a sliding block 3.4 at the sliding groove 3.3, the lower end of the sliding block 3.4 is in a sharp tip structure, the sliding groove 3.3 is arranged in a vertical direction, the sliding block 3.4 is located at the lowermost side of the sliding groove 3.3 under the action of no external force, and the lower end of the sliding block 3.4 extends out of the bottom of the thick rod 3.1 through the mounting hole 3.2, when the connecting head 2 is connected with the gravity block 3 through the mounting hole 3.2, the connecting head 2 pushes the sliding block 3.4 to move upward, thereby the sliding block 3.4 does not affect the connection between the connecting head 2 and the gravity block 3.

[0035] In an embodiment, each first vertical rod 1.1 is fixedly connected with a mounting pipe 6, each first vertical rod 1.1 has one mounting pipe 6, the mounting pipe 6 is welded with the first vertical rod 1.1 and can also be an integrated structure, the axis of each mounting pipe 6 is parallel to the axis of the first vertical rod 1.1, the upper end of each mounting pipe 6 is detachably fixedly connected with a support plate 7, each support plate 7 is annular, the inner side of each support plate 7 is detachably fixedly connected with a connector 2, the upper end of the mounting pipe 6 is threadedly connected with the outer side of the support plate 7, facilitating the mounting and dismounting of the support plate 7, so that the support plate 7 is detachably fixedly connected with the mounting pipe 6, the inner side of the support plate 7 is threadedly connected with the connector 2, facilitating the mounting and dismounting of the connector 2, so that the connector 2 is detachably fixedly connected with the support plate 7, that is, the connector 2 is detachably fixedly connected at the upper end of the first vertical rod 1.1.

[0036] In an embodiment, each support plate 7 comprises a left side plate 7.1 and a right side plate 7.2, the left side plate 7.1 cooperates with the right side plate 7.2 to form an annular structure, the inner side and the outer side of the annular structure are provided with threads, the left side plate 7.1 cooperates with the right side plate 7.2 on the surface, when the support plate 7 is dismounted from the upper end of the mounting pipe 6, the left side plate 7.1 and the right side plate 7.2 are separated, facilitating the removal of the support plate 7.

[0037] In an embodiment, each identifier 5 comprises an identifier plate 5.1, the identifier plate 5.1 is detachably fixedly connected with the lower end of the mounting pipe 6, the identifier plate 5.1 is clamped and fixed with the mounting pipe 6, facilitating the mounting and dismounting of the identifier plate 5.1, so that the identifier plate 5.1 is detachably fixedly connected with the mounting pipe 6, the identifier plate 5.1 is located below the adjacent gravity block 3, a mark 5.2 is arranged at the center of the identifier plate 5.1, when the connector 2 is threadedly connected with the gravity block 3, the identifier plate 5.1 between the connector 2 and the gravity block 3 is removed, the mounting pipe 6 facilitates the positioning of the connector 2 and the identifier 5 relative to the first vertical rod 1.1, so as to ensure that when each gravity block 3 is located at the corresponding position of the identifier 5, the part of each binding member 4 between the connector 2 and the gravity block 3 is parallel to the axis of the first vertical rod 1.1.

[0038] In an embodiment, a through opening 9 is arranged at the lower end of the mounting pipe 6, the through opening 9 facilitates the observation of the position of the gravity block 3 and the mounting and dismounting of the identifier plate 5.1.

[0039] In an embodiment, a through hole 8 is arranged on each support plate 7 and identifier plate 5.1, the through hole 8 prevents the storage of rainwater at the mounting pipe 6.

[0040] The above has described the present application in detail through specific embodiments and examples, but these do not constitute limitations on the present application. Those skilled in the art can also make many modifications and improvements without departing from the principles of the present application, and these shall also be considered as the protection scope of the present application.

Claims

1. A prefabricated foundation pit ladder cage for road construction, characterized in that: The utility model provides vertical ladder cage unit (1), each vertical ladder cage unit (1) includes the first vertical pole (1.1) of vertical direction arrangement, the upper end of each first vertical pole (1.1) is detachably fixedly connected with the connecting head (2), the lower end of each first vertical pole (1.1) is provided with gravity block (3), each connecting head (2) and the gravity block (3) between the same first vertical pole (1.1) are installed with the binding piece (4) made of flexible material, each first vertical pole (1.1) is provided with the identification piece (5) at gravity block (3), and when each gravity block (3) is located at the corresponding position of identification piece (5), the part of each binding piece (4) between connecting head (2) and gravity block (3) and the axis of first vertical pole (1.1) are parallel, each gravity block (3) is provided with the mounting hole (3.2) for being fixed with adjacent connecting head (2); Each connecting head (2) includes connecting rod (2.1), one end of connecting rod (2.1) is rotatably connected with binding piece (4), each connecting head (2) fixedly connected with the upper end of first vertical pole (1.1) and the connecting head (2) fixedly connected with adjacent gravity block (3) are symmetrically arranged; Each connecting head (2) further includes arc block (2.2), each arc block (2.2) cooperates to form a threaded rod structure with a gap in the middle, and connecting rod (2.1) is fixedly connected between each arc block (2.2); Each gravity block (3) includes a thick rod (3.1), the lower end of the thick rod (3.1) is a circular truncated cone structure, the bottom of the thick rod (3.1) is provided with a mounting hole (3.2), the mounting hole (3.2) is a threaded hole, the thick rod (3.1) is provided with a sliding groove (3.3) above the mounting hole (3.2), the thick rod (3.1) is slidably connected with a sliding block (3.4) at the sliding groove (3.3), and the lower end of the sliding block (3.4) is a sharp structure. When each gravity block (3) is fixed with adjacent connecting head (2), the height of the gravity block (3) below each connecting head (2) remains unchanged.

2. The assembled foundation pit ladder for road construction according to claim 1, characterized in that: The lower end of each gravity block (3) is a sharp end.

3. The assembled foundation pit ladder for road construction according to claim 1, characterized in that: Each first vertical pole (1.1) is fixedly connected with a mounting pipe (6), the axis of each mounting pipe (6) is parallel to the axis of the first vertical pole (1.1), the upper end of each mounting pipe (6) is detachably fixedly connected with a support plate (7), each support plate (7) has a ring structure, and the inner side of each support plate (7) is detachably fixedly connected with a connecting head (2).

4. The assembled foundation pit ladder for road construction according to claim 3, characterized in that: Each support plate (7) includes a left side plate (7.1) and a right side plate (7.2), the left side plate (7.1) and the right side plate (7.2) cooperate to form a ring structure, and threads are formed on the inner side and the outer side of the ring structure.

5. The assembled foundation pit ladder for road construction according to claim 3, characterized in that: Each identification piece (5) includes an identification plate (5.1), the lower end of the mounting pipe (6) is detachably fixedly connected with the identification plate (5.1), the identification plate (5.1) is located below adjacent gravity block (3), and a mark (5.2) is arranged at the center of the identification plate (5.1).

6. The assembled foundation pit ladder for road construction according to claim 5, characterized in that: A through hole (8) is formed on each support plate (7) and identification plate (5.1).

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