Ladder cage foundation structure and ladder cage foundation bottom plate

Abstract

The utility model discloses an elevator cage foundation structure and an elevator cage foundation bottom plate, and relates to the technical field of elevator cage construction, the elevator cage foundation structure comprises a first supporting body, a second supporting body, a third supporting body, a fourth supporting body, a first connecting body, a second connecting body, a third connecting body and a fourth connecting body; connecting top plates are fixedly arranged at the top ends of the first supporting body, the second supporting body, the third supporting body and the fourth supporting body, and the connecting top plates are used for being fixedly connected with the bottom end of the elevator main body; the first supporting body, the second supporting body, the third supporting body, the fourth supporting body, the first connecting body, the second connecting body, the third connecting body and the fourth connecting body are all poured into the foundation slab body. According to the utility model, the stability of the foundation slab can be effectively improved, and the ladder cage main body is convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of ladder cage construction, in particular to a ladder cage foundation structure and a ladder cage foundation bottom plate. Background Art

[0002] The ladder cage is a steel structure up and down passage equipment, its main function is to provide a safe and reliable up and down passage in the foundation pit, and provide an escape passage for workers when working in the foundation pit. The main features of the ladder cage are stable structure, long service life and strong safety, so it is widely used in the construction industry.

[0003] The construction of the ladder cage is an important part of the construction project, which determines the quality and safety of the ladder cage. The ladder cage foundation is the supporting structure of the entire ladder cage body. In the prior art, a concrete foundation slab is usually used as the ladder cage foundation, and the ladder cage body is installed on the concrete foundation slab through connectors such as anchor bolts and expansion screws, thereby connecting the ladder cage body and the concrete foundation slab as a whole. However, during the use of the ladder cage, there is a risk of cracking of the concrete foundation slab due to insufficient structural strength. In order to improve the structural stability, concrete is generally poured at the connection between the ladder cage body and the concrete foundation slab. However, this will result in a cumbersome process when the ladder cage body is dismantled after the use of the ladder cage is finished. Utility Model Content

[0004] The purpose of the utility model is to provide a ladder cage foundation structure and a ladder cage foundation bottom plate to solve the problems existing in the above-mentioned prior art, which can effectively improve the stability of the foundation bottom plate and facilitate the disassembly and assembly of the ladder cage body.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a ladder cage foundation structure, including a first support body, a second support body, a third support body, a fourth support body, a first connector, a second connector, a third connector and a fourth connector, one end of the first connector is fixedly arranged on the first support body, and the other end is fixedly arranged on the second support body, one end of the second connector is fixedly arranged on the second support body, and the other end is fixedly arranged on the third support body, one end of the third connector is fixedly arranged on the third support body, and the other end is fixedly arranged on the fourth support body, one end of the fourth connector is fixedly arranged on the fourth support body, and the other end is fixedly arranged on the first support body; the top ends of the first support body, the second support body, the third support body and the fourth support body are all fixedly provided with a connecting top plate, and each of the connecting top plates is used to be fixedly connected to the bottom end of the ladder cage body; the first support body, the second support body, the third support body, the fourth support body, the first connector, the second connector, the third connector and the fourth connector are all cast in the foundation bottom plate body.

[0007] Preferably, one end of the first connecting body is fixed to the upper part of the first support body, and the other end is fixed to the upper part of the second support body, one end of the second connecting body is fixed to the upper part of the second support body, and the other end is fixed to the upper part of the third support body, one end of the third connecting body is fixed to the upper part of the third support body, and the other end is fixed to the upper part of the fourth support body, one end of the fourth connecting body is fixed to the upper part of the fourth support body, and the other end is fixed to the upper part of the first support body; it also includes a fifth connecting body, a sixth connecting body, a seventh connecting body and an eighth connecting body, one end of the fifth connecting body is fixed to the lower part of the first support body, and the other end is fixed to the lower part of the second support body, one end of the sixth connecting body is fixed to the lower part of the second support body, and the other end is fixed to the lower part of the third support body, one end of the seventh connecting body is fixed to the lower part of the third support body, and the other end is fixed to the lower part of the fourth support body, and one end of the eighth connecting body is fixed to the lower part of the fourth support body, and the other end is fixed to the lower part of the first support body.

[0008] Preferably, it also includes a ninth connector, a tenth connector, an eleventh connector and a twelfth connector, one end of the ninth connector is fixed to the upper part of the first support body, and the other end is fixed to the upper part of the third support body, one end of the tenth connector is fixed to the upper part of the second support body, and the other end is fixed to the upper part of the fourth support body, one end of the eleventh connector is fixed to the lower part of the first support body, and the other end is fixed to the lower part of the third support body, one end of the twelfth connector is fixed to the lower part of the second support body, and the other end is fixed to the lower part of the fourth support body.

[0009] Preferably, the first support body, the second support body, the third support body and the fourth support body are all 18# I-beams, and the first connector, the second connector, the third connector, the fourth connector, the fifth connector, the sixth connector, the seventh connector, the eighth connector, the ninth connector, the tenth connector, the eleventh connector and the twelfth connector are all steel pipes.

[0010] Preferably, the steel pipe has a diameter of 48 mm and a wall thickness of 2.8 mm.

[0011] Preferably, the fixed connections between the first support body, the second support body, the third support body and the fourth support body and the first connector, the second connector, the third connector, the fourth connector, the fifth connector, the sixth connector, the seventh connector, the eighth connector, the ninth connector, the tenth connector, the eleventh connector and the twelfth connector are all welded; and the connecting top plates are used for welding to the bottom end of the elevator cage body.

[0012] Preferably, a supporting bottom plate is fixedly provided at the bottom ends of the first support body, the second support body, the third support body and the fourth support body, and a water stop plate is fixedly provided at the middle parts of the first support body, the second support body, the third support body and the fourth support body.

[0013] Preferably, the connecting top plate and the supporting bottom plate are both 5 mm thick steel plates, and the water stop plate is a 3 mm thick steel plate.

[0014] Preferably, the fixed connections between the water stop plate, the connecting top plate, the supporting bottom plate and the first support body, the second support body, the third support body and the fourth support body are all welded.

[0015] The utility model also provides a ladder cage foundation bottom plate, comprising a foundation bottom plate main body and the above-mentioned ladder cage foundation structure.

[0016] Compared with the prior art, the utility model has achieved the following technical effects:

[0017] The utility model provides a ladder cage foundation structure and a ladder cage foundation bottom plate, wherein a first support body, a second support body, a third support body, a fourth support body, a first connector, a second connector, a third connector and a fourth connector are all cast in a foundation bottom plate body, and a first connector, a second connector, a third connector and a fourth connector are arranged to connect the first support body, the second support body, the third support body and the fourth support body into one, thereby increasing the stability of the first support body, the second support body, the third support body and the fourth support body, and can effectively improve the structural stability of the ladder cage foundation bottom plate, and the top ends of the first support body, the second support body, the third support body and the fourth support body are fixedly provided with a connecting top plate, and each connecting top plate is used to be fixedly connected to the bottom end of the ladder cage body, and the available installation area at the bottom end of the ladder cage body is increased by connecting the top plates, which can facilitate the disassembly and assembly of the ladder cage body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A structural schematic diagram of a ladder cage foundation structure provided by the utility model;

[0020] Figure 2 Another structural schematic diagram of the ladder cage foundation structure provided by the utility model;

[0021] Figure 3 A schematic diagram of another structure of the ladder cage foundation structure provided by the utility model;

[0022] In the figure: 1-first connector, 2-second connector, 3-third connector, 4-fourth connector, 5-fifth connector, 6-sixth connector, 7-seventh connector, 8-eighth connector, 9-ninth connector, 10-tenth connector, 11-eleventh connector, 12-twelfth connector, 13-first support body, 14-second support body, 15-third support body, 16-fourth support body, 17-connecting top plate, 18-supporting bottom plate, 19-water stop plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The purpose of the utility model is to provide a ladder cage foundation structure and a ladder cage foundation bottom plate to solve the problems existing in the above-mentioned prior art, which can effectively improve the stability of the foundation bottom plate and facilitate the disassembly and assembly of the ladder cage body.

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Embodiment 1

[0027] like Figure 1-3 As shown, this embodiment provides a ladder cage foundation structure, including a first support body 13, a second support body 14, a third support body 15, a fourth support body 16, a first connector 1, a second connector 2, a third connector 3 and a fourth connector 4, one end of the first connector 1 is fixed on the first support body 13, and the other end is fixed on the second support body 14, one end of the second connector 2 is fixed on the second support body 14, and the other end is fixed on the third support body 15, one end of the third connector 3 is fixed on the third support body 15, and the other end is fixed on the fourth support body 4. On the four support bodies 16, one end of the fourth connector 4 is fixed on the fourth support body 16, and the other end is fixed on the first support body 13; the top ends of the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16 are fixed with a connecting top plate 17, and each connecting top plate 17 is used to be fixedly connected to the bottom end of the ladder cage body; the first support body 13, the second support body 14, the third support body 15, the fourth support body 16, the first connector 1, the second connector 2, the third connector 3 and the fourth connector 4 are all cast in the foundation bottom plate body.

[0028] The ladder cage foundation structure provided in the present embodiment is provided with a first support body 13, a second support body 14, a third support body 15, a fourth support body 16, a first connector 1, a second connector 2, a third connector 3 and a fourth connector 4 which are all cast in the foundation bottom plate body, and a first connector 1, a second connector 2, a third connector 3 and a fourth connector 4 are provided to connect the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16 into one, thereby increasing the stability of the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16, and can effectively improve the structural stability of the ladder cage foundation bottom plate, and the top ends of the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16 are fixedly provided with a connecting top plate 17, and each connecting top plate 17 is used to be fixedly connected to the bottom end of the ladder cage body, and the available installation area at the bottom end of the ladder cage body is increased by connecting the top plate 17, which can facilitate the disassembly and assembly of the ladder cage body.

[0029] Further, one end of the first connector 1 is fixed to the upper part of the first support body 13, and the other end is fixed to the upper part of the second support body 14; one end of the second connector 2 is fixed to the upper part of the second support body 14, and the other end is fixed to the upper part of the third support body 15; one end of the third connector 3 is fixed to the upper part of the third support body 15, and the other end is fixed to the upper part of the fourth support body 16; one end of the fourth connector 4 is fixed to the upper part of the fourth support body 16, and the other end is fixed to the upper part of the first support body 13; the ladder cage foundation structure provided in this embodiment also includes a fifth connector 5, a sixth connector 6, a seventh connector 7 and an eighth connector 8, and the fifth connector One end of the connecting body 5 is fixed at the lower part of the first support body 13, and the other end is fixed at the lower part of the second support body 14; one end of the sixth connecting body 6 is fixed at the lower part of the second support body 14, and the other end is fixed at the lower part of the third support body 15; one end of the seventh connecting body 7 is fixed at the lower part of the third support body 15, and the other end is fixed at the lower part of the fourth support body 16; one end of the eighth connecting body 8 is fixed at the lower part of the fourth support body 16, and the other end is fixed at the lower part of the first support body 13, thereby increasing the stability of the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16, thereby improving the structural stability of the ladder cage foundation bottom plate.

[0030] Furthermore, the ladder cage foundation structure provided in this embodiment also includes a ninth connector 9, a tenth connector 10, an eleventh connector 11 and a twelfth connector 12, one end of the ninth connector 9 is fixed to the upper part of the first support body 13, and the other end is fixed to the upper part of the third support body 15, one end of the tenth connector 10 is fixed to the upper part of the second support body 14, and the other end is fixed to the upper part of the fourth support body 16, one end of the eleventh connector 11 is fixed to the lower part of the first support body 13, and the other end is fixed to the lower part of the third support body 15, one end of the twelfth connector 12 is fixed to the lower part of the second support body 14, and the other end is fixed to the lower part of the fourth support body 16, thereby increasing the stability of the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16, thereby improving the structural stability of the ladder cage foundation bottom plate.

[0031] As a more preferred implementation manner of this embodiment, the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16 are all 18# I-beams, the cross-sectional size of the 18# I-beam is 180mm*94mm*6.5mm, the length is the same as the thickness of the ladder cage foundation bottom plate, and the spacing is determined according to the size of the ladder cage body. The first connector 1, the second connector 2, the third connector 3, the fourth connector 4, the fifth connector 5, the sixth connector 6, the seventh connector 7, the eighth connector 8, the ninth connector 9, the tenth connector 10, the eleventh connector 11 and the twelfth connector 12 are all steel pipes, which are convenient for material collection and production.

[0032] As a more preferred implementation of this embodiment, the diameter of the steel pipe is 48 mm and the wall thickness is 2.8 mm.

[0033] As a more preferred implementation manner of this embodiment, when the thickness of the ladder cage foundation bottom plate is less than 700mm, a steel pipe with a diameter of 48mm and a wall thickness of 2.8mm can be used and installed at the upper 1 / 3 of the I-beam, connecting the four I-beams into a whole to increase the stability of the foundation; when the thickness of the ladder cage foundation bottom plate is 700-1200mm, a steel pipe with a diameter of 48mm and a wall thickness of 2.8mm can be used and installed at the upper and lower 1 / 3 of the four I-beams, connecting the four I-beams into a whole to increase the stability of the foundation; when the thickness of the ladder cage foundation bottom plate is 1200-1500mm, a steel pipe with a diameter of 48mm and a wall thickness of 2.8mm can be used and installed at the upper and lower 1 / 3 of the four I-beams, and the diagonal I-beams are also provided with two steel pipe support connections to connect the four I-beams into a whole to increase the stability of the foundation.

[0034] As a more preferred implementation manner of this embodiment, the fixed connections between the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16 and the first connector 1, the second connector 2, the third connector 3, the fourth connector 4, the fifth connector 5, the sixth connector 6, the seventh connector 7, the eighth connector 8, the ninth connector 9, the tenth connector 10, the eleventh connector 11 and the twelfth connector 12 are all welded; the connecting top plates 17 are used for welding to the bottom end of the ladder cage body, the structure is stable, and it is easy to manufacture and use.

[0035] Furthermore, the bottom ends of the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16 are fixedly provided with a supporting bottom plate 18. When in use, the supporting bottom plate 18 is in direct contact with the base waterproof protection layer, so that the force-bearing area is increased, which is beneficial to protecting the base waterproof layer. The middle parts of the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16 are fixedly provided with a water stop plate 19, and the water-facing surface of the water stop plate 19 faces downward to play a role in stopping water.

[0036] As a more preferred implementation of this embodiment, the connecting top plate 17 and the supporting bottom plate 18 are both 5 mm thick steel plates, and the size is preferably 200 mm*300 mm. The water stop plate 19 is a 3 mm thick steel plate, which can effectively stop water.

[0037] As a more preferred implementation of this embodiment, the fixed connections between the water stop plate 19, the connecting top plate 17 and the supporting bottom plate 18 and the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16 are all welded.

[0038] The specific installation method of the ladder cage foundation structure provided in this embodiment is as follows:

[0039] Step 1. Installation of the water stop plate 19: Cut the four sections of I-beams according to the required size. The length of the four sections of I-beams is consistent with the thickness of the main body of the foundation bottom plate. Install the water stop plate 19 in the middle part of the I-beam with the water-facing surface facing downward. The connection between the water stop plate 19 and the I-beam is connected by electric welding;

[0040] Step 2. Installation of the connecting top plate 17 and the supporting bottom plate 18: Cut the steel plate into the corresponding size of 200mm*300mm, weld the steel plate to both ends of the I-beam, and fully weld the steel plate and the I-beam around. The steel plate welded to the top of the I-beam is the connecting top plate 17, and the steel plate welded to the bottom of the I-beam is the supporting bottom plate 18;

[0041] Step 3. Installation of the first connector 1, the second connector 2, the third connector 3, the fourth connector 4, the fifth connector 5, the sixth connector 6, the seventh connector 7, the eighth connector 8, the ninth connector 9, the tenth connector 10, the eleventh connector 11 and the twelfth connector 12: Use the steel pipe with a diameter of 48mm and a wall thickness of 2.8mm on site. When the thickness of the ladder cage foundation bottom plate is less than 700mm, a steel pipe with a diameter of 48mm and a wall thickness of 2.8mm can be used. Four steel pipes need to be prepared and installed at the upper 1 / 3 of the I-beam. The four I-beams are connected into a whole to increase the stability of the foundation. The length is determined according to the outer diameter of the actual ladder cage on site. The steel pipe is welded to the I-beam; when the thickness of the ladder cage foundation bottom plate is 700~1 When the thickness of the ladder cage foundation bottom plate is 1200-1500mm, a steel pipe with a diameter of 48mm and a wall thickness of 2.8mm can be used. Eight steel pipes need to be prepared and installed at the upper and lower 1 / 3 of the I-beam, one each, to connect the four I-beams into a whole to increase the stability of the foundation. The length is determined according to the outer diameter of the actual ladder cage on site, and the steel pipe is welded to the I-beam; when the thickness of the ladder cage foundation bottom plate is 1200-1500mm, a steel pipe with a diameter of 48mm and a wall thickness of 2.8mm can be used. Twelve steel pipes need to be prepared and installed at the upper and lower 1 / 3 of the four I-beams, and two steel pipe support connections are also set on the diagonal I-beams to connect the four I-beams into a whole to increase the stability of the foundation. The length is determined according to the outer diameter of the actual ladder cage on site, and the steel pipe is welded to the I-beam;

[0042] Step 4. Overall installation of the ladder cage foundation structure: The installed ladder cage foundation structure is hoisted to a suitable location by a tower crane. Later, the ladder cage foundation structure is directly cast in the main body of the foundation bottom plate, the ladder cage body is placed on the ladder cage foundation bottom plate, and the bottom end of the ladder cage body is welded to the connecting top plate 17 to complete the installation.

[0043] Embodiment 2

[0044] This embodiment provides a cage foundation floor, comprising a foundation floor main body and the cage foundation structure in the first embodiment.

[0045] The ladder cage foundation bottom plate provided in the present embodiment is provided with a first support body 13, a second support body 14, a third support body 15, a fourth support body 16, a first connector 1, a second connector 2, a third connector 3 and a fourth connector 4 which are all cast in the main body of the foundation bottom plate, and a first connector 1, a second connector 2, a third connector 3 and a fourth connector 4 are provided to connect the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16 into one, thereby increasing the stability of the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16, and can effectively improve the structural stability of the ladder cage foundation bottom plate, and the top ends of the first support body 13, the second support body 14, the third support body 15 and the fourth support body 16 are fixedly provided with a connecting top plate 17, and each connecting top plate 17 is used to be fixedly connected to the bottom end of the ladder cage main body, and the available installation area at the bottom end of the ladder cage main body is increased by connecting the top plate 17, which can facilitate the disassembly and assembly of the ladder cage main body.

[0046] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A ladder cage foundation structure, characterized in that: The ladder system comprises a first support, a second support, a third support, a fourth support, a first connector, a second connector, a third connector and a fourth connector, wherein one end of the first connector is fixedly arranged on the first support, and the other end is fixedly arranged on the second support, one end of the second connector is fixedly arranged on the second support, and the other end is fixedly arranged on the third support, one end of the third connector is fixedly arranged on the third support, and the other end is fixedly arranged on the fourth support, one end of the fourth connector is fixedly arranged on the fourth support, and the other end is fixedly arranged on the first support; the top ends of the first support, the second support, the third support and the fourth support are all fixedly provided with connecting top plates, and each connecting top plate is used to be fixedly connected to the bottom end of the ladder cage body; the first support, the second support, the third support, the fourth support, the first connector, the second connector, the third connector and the fourth connector are all cast in the foundation bottom plate body.

2. The ladder cage infrastructure according to claim 1, characterized in that: One end of the first connecting body is fixed to the upper part of the first support body, and the other end is fixed to the upper part of the second support body, one end of the second connecting body is fixed to the upper part of the second support body, and the other end is fixed to the upper part of the third support body, one end of the third connecting body is fixed to the upper part of the third support body, and the other end is fixed to the upper part of the fourth support body, one end of the fourth connecting body is fixed to the upper part of the fourth support body, and the other end is fixed to the upper part of the first support body; it also includes a fifth connecting body, a sixth connecting body, a seventh connecting body and an eighth connecting body, one end of the fifth connecting body is fixed to the lower part of the first support body, and the other end is fixed to the lower part of the second support body, one end of the sixth connecting body is fixed to the lower part of the second support body, and the other end is fixed to the lower part of the third support body, one end of the seventh connecting body is fixed to the lower part of the third support body, and the other end is fixed to the lower part of the fourth support body, and one end of the eighth connecting body is fixed to the lower part of the fourth support body, and the other end is fixed to the lower part of the first support body.

3. The ladder cage infrastructure according to claim 2, characterized in that: It also includes a ninth connector, a tenth connector, an eleventh connector and a twelfth connector, wherein one end of the ninth connector is fixed to the upper portion of the first support body, and the other end is fixed to the upper portion of the third support body, one end of the tenth connector is fixed to the upper portion of the second support body, and the other end is fixed to the upper portion of the fourth support body, one end of the eleventh connector is fixed to the lower portion of the first support body, and the other end is fixed to the lower portion of the third support body, and one end of the twelfth connector is fixed to the lower portion of the second support body, and the other end is fixed to the lower portion of the fourth support body.

4. The ladder cage infrastructure according to claim 3, characterized in that: The first support body, the second support body, the third support body and the fourth support body are all 18# I-beams, and the first connector, the second connector, the third connector, the fourth connector, the fifth connector, the sixth connector, the seventh connector, the eighth connector, the ninth connector, the tenth connector, the eleventh connector and the twelfth connector are all steel pipes.

5. The ladder cage infrastructure according to claim 4, characterized in that: The steel pipe has a diameter of 48 mm and a wall thickness of 2.8 mm.

6. The ladder cage infrastructure according to claim 4, characterized in that: The fixed connections between the first support body, the second support body, the third support body and the fourth support body and the first connector, the second connector, the third connector, the fourth connector, the fifth connector, the sixth connector, the seventh connector, the eighth connector, the ninth connector, the tenth connector, the eleventh connector and the twelfth connector are all welded; the connecting top plates are used for welding to the bottom end of the elevator cage body.

7. The ladder cage infrastructure according to claim 1, characterized in that: A supporting bottom plate is fixedly provided at the bottom ends of the first support body, the second support body, the third support body and the fourth support body, and a water stop plate is fixedly provided at the middle parts of the first support body, the second support body, the third support body and the fourth support body.

8. The ladder cage infrastructure according to claim 7, characterized in that: The connecting top plate and the supporting bottom plate are both 5mm thick steel plates, and the water stop plate is a 3mm thick steel plate.

9. The ladder cage infrastructure according to claim 7, characterized in that: The fixed connections between the water stop plate, the connecting top plate, the supporting bottom plate and the first support body, the second support body, the third support body and the fourth support body are all welded.

10. A ladder cage foundation bottom plate, characterized in that: The invention comprises a basic bottom plate body and a cage basic structure as claimed in any one of claims 1 to 9.

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