Safety ladder for sand box
By designing a safety ladder for sand boxes, and using fixed and supporting components to stably connect with the sand boxes, the problems of low safety and coating damage when operators enter and exit are solved, thus achieving safe production and product quality assurance.
Patent Information
- Application Number
- CN202520067466.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-13
AI Technical Summary
During the production of wind power components, there are safety issues when operators enter and exit the sand box. They are prone to falling and getting injured, which can damage the surface coating of the sand mold and affect product quality.
Design a sandbox safety ladder that stably connects the main body to the sandbox through a first fixing component, a second fixing component, and a support component, providing a safe entry and exit path.
This approach ensures product quality while improving operator safety, preventing injuries from falls and damage to the sand-molded surface coating.
Smart Images
Figure CN223689621U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sand box foundry technical field especially relates to a sand box safety ladder. BACKGROUND
[0002] The process of sand casting is to cover the casting model with dry sand, then make it into shape by vibration and compaction, and finally pour the molten metal, take out the part after cooling and solidification. The process of resin sand casting is to cover the resin sand on the mold, then make it into shape by vibration and compaction, and finally pour the molten metal, take out the part after cooling and solidification. Its process is low in cost and flexible in technology, and is widely used in the manufacturing of wind power components, such as cabin hub, blade bearing, etc.
[0003] At present, with the increasing demand for wind power main machine, the production of mechanical parts is increasing, and the volume of castings is also increasing. During the production process, relevant technical personnel need to enter and exit the sand box for inspection, finishing and brushing work in time. The operator needs to lie on the sand box or step on the internal sand mold, at the same time, due to the uneven bottom of the sand box, it is easy to cause personnel injury, the safety is low, and the sand mold and its surface coating are damaged at the same time, which affects the quality of the product. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at solving one of the above technical problems at least to some extent.
[0005] Therefore, one purpose of the utility model is to provide a sand box safety ladder, which stably connects the main body assembly and the sand box by using the first fixing assembly, the second fixing assembly and the supporting assembly, so as to facilitate personnel to enter and exit the sand box, ensure the quality of the product, and realize the purpose of safe production.
[0006] In order to achieve the above purpose, the utility model provides a sand box safety ladder in the first aspect, which comprises a main body assembly, a first fixing assembly, a second fixing assembly and a supporting assembly, wherein the main body assembly comprises a standing frame, a descending ladder and a fence, the standing frame is connected with the descending ladder, and the fence is arranged on the standing frame and the descending ladder; the first fixing assembly comprises a fixed plate and a positioning pin, the fixed plate is connected with the standing frame, a through hole is formed in the fixed plate, and the positioning pin is inserted into the through hole; the second fixing assembly comprises a limiting frame, a limiting box and a fixing bolt, the limiting frame is connected with the standing frame, the limiting box is slidingly connected with the limiting frame, and the fixing bolt is arranged on the limiting box; the supporting assembly is arranged at the connection between the standing frame and the descending ladder.
[0007] In addition, the sand box safety ladder further has the following additional technical features.
[0008] Specifically, the support assembly comprises a support frame, a first plate body and two reinforcing rods, wherein the support frame is connected with the standing frame, and the first plate body is arranged on the support frame; one end of each of the two reinforcing rods is connected with the support frame, and the other end of each of the two reinforcing rods is connected with the descending ladder.
[0009] Specifically, the limiting frame comprises two U-shaped frames, two first square rods and two second square rods, wherein the two U-shaped frames are symmetrically connected with the standing frame, the two ends of the two first square rods and the two second square rods are connected with the two U-shaped frames respectively, and the two first square rods are located above the two second square rods; the limiting frame is sleeved outside the two first square rods, and the limiting frame is slidably connected with the two second square rods.
[0010] Specifically, the support frame is connected with a second plate body, and the second plate body is provided with a rubber pad.
[0011] Specifically, the U-shaped frame is connected with a safety chain.
[0012] Specifically, two lifting lugs are symmetrically arranged at the connection between the standing frame and the descending ladder.
[0013] Compared with the prior art, the sand box safety ladder has the following beneficial effects: the sand box safety ladder of the utility model utilizes the first fixing assembly, the second fixing assembly and the support assembly to stably connect the main body assembly and the sand box, thereby facilitating personnel to enter and exit the sand box, ensuring product quality, and achieving the purpose of safe production.
[0014] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0015] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:
[0016] Figure 1 is a three-dimensional structure diagram of the sand box safety ladder according to one embodiment of the utility model Figure 1 ;
[0017] Figure 2 is a use schematic diagram of the sand box safety ladder according to one embodiment of the utility model
[0018] Figure 3 is Figure 2A zone structure amplification schematic diagram;
[0019] Figure 4 A sand box safety ladder three-dimensional structure schematic diagram according to an embodiment of the utility model Figure 2 .
[0020] Reference signs: 1, main body assembly; 11, standing frame; 12, descending ladder; 13, fence; 2, first fixing assembly; 21, fixed plate; 22, through hole; 23, positioning pin; 3, second fixing assembly; 31, limiting frame; 311, U-shaped frame; 312, first square rod; 313, second square rod; 32, limiting frame; 33, fixed bolt; 4, supporting assembly; 41, supporting frame; 42, first plate body; 43, reinforcing rod; 51, second plate body; 52, rubber pad; 61, safety chain; 71, lifting lug. DETAILED DESCRIPTION
[0021] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.
[0022] The sand box safety ladder of the embodiments of the utility model is described below with reference to the drawings.
[0023] As shown in Figures 1-4 The sand box safety ladder of the embodiments of the utility model can include: main body assembly 1, first fixing assembly 2, second fixing assembly 3 and supporting assembly 4.
[0024] The main body assembly 1 includes standing frame 11, descending ladder 12 and fence 13, wherein the standing frame 11 is connected with the descending ladder 12, and the fence 13 is arranged on the standing frame 11 and the descending ladder 12.
[0025] It should be noted that the standing frame 11 described in this embodiment is horizontally arranged, and the descending ladder 12 is inclinedly arranged.
[0026] The first fixing assembly 2 includes fixed plate 21 and positioning pin 23, wherein the fixed plate 21 is connected with the standing frame 11, the fixed plate 21 is provided with through hole 22, and the positioning pin 23 is inserted into the inside of the through hole 22.
[0027] It should be noted that the positioning pin 23 described in this embodiment is fixed by means of the original bolt hole on the sand box.
[0028] The second fixing assembly 3 comprises a limiting frame 31, a limiting box 32 and a fixing bolt 33, wherein the limiting frame 31 is connected with the standing frame 11, the limiting box 32 is slidingly connected with the limiting frame 31, and the fixing bolt 33 is arranged on the limiting box 32; the supporting assembly 4 is arranged at the connecting position of the standing frame 11 and the descending ladder 12.
[0029] Specifically, when the safety ladder is installed on the sand box, the positioning pin 23 is firstly connected with the original bolt hole on the sand box, and then the safety ladder is placed on the sand box by using external hoisting equipment, so that the positioning pin 23 is inserted into the through hole 22 on the fixing plate 21.
[0030] Then the limiting box 32 is pulled to slide horizontally on the limiting frame 31, the limiting box 32 is arranged in the sand box grid, and the fixing bolt 33 is screwed to abut against the inner wall of the grid, so as to limit the end of the standing frame 11 and avoid shaking of the safety ladder during use. The supporting assembly 4 abuts against the inner wall of the sand box, and under the joint action of the supporting assembly 4 and the limiting box 32, the safety ladder can be fixed on the sand box, so as to facilitate personnel to enter and exit the sand box, and the purpose of safe production is realized while the product quality is ensured.
[0031] It can be understood that the limiting box 32 is arranged as an adjustable sliding structure, so that the safety ladder can be applied to sand boxes of various specifications.
[0032] In an embodiment of the present application, as shown in Figure 1 The supporting assembly 4 comprises a supporting frame 41, a first plate body 42 and two reinforcing rods 43.
[0033] The supporting frame 41 is connected with the standing frame 11, the first plate body 42 is arranged on the supporting frame 41, one end of each of the two reinforcing rods 43 is connected with the supporting frame 41, and the other end of each of the two reinforcing rods 43 is connected with the descending ladder 12.
[0034] Specifically, according to the structural characteristics of the sand box, the first plate body 42 can abut against the step inside the sand box, so as to increase the stability of the safety ladder during use.
[0035] The reinforcing rods 43 can form a triangular stable structure between the supporting frame 41 and the descending ladder 12, so that the supporting assembly 4 is more reliable in use.
[0036] In an embodiment of the present application, as shown in Figure 4 The limiting frame 31 comprises two U-shaped frames 311, two first square rods 312 and two second square rods 313.
[0037] Two U-shaped frames 311 are symmetrically connected with the standing frame 11 respectively, two ends of two first square rods 312 and two second square rods 313 are connected with the two U-shaped frames 311 respectively, the two first square rods 312 are located above the two second square rods 313, the limiting frame 32 is sleeved on the outer side of the two first square rods 312, and the limiting frame 32 is slidably connected with the two second square rods 313.
[0038] It should be explained that the two first square rods 312 and the two second square rods 313 can ensure that the limiting frame 32 can only move horizontally, the distance between the limiting frame 32 and the supporting assembly 4 is adjustable, and the limiting frame 32 can be fine-tuned along the direction of the first square rod 312, so that the limiting frame 32 can be placed in the inside of the sand box grid of various models, so that the safety ladder is suitable for various models of sand boxes.
[0039] In an embodiment of the utility model, as shown in Figure 4 The second plate body 51 is connected on the supporting frame 41, and the rubber pad 52 is arranged on the second plate body 51.
[0040] It can be understood that the rubber pad 52 plays a protective role between the second plate body 51 and the sand box, so as to avoid scratching the inner wall of the sand box during use of the safety ladder.
[0041] In an embodiment of the utility model, as shown in Figure 4 The safety chain 61 is connected on the U-shaped frame 311.
[0042] It should be noted that one end of the safety chain 61 described in this embodiment is connected with the sand box.
[0043] It can be understood that the safety chain 61 can play a secondary protection role, avoiding the safety ladder from sliding into the inside of the sand box.
[0044] In an embodiment of the utility model, as shown in Figure 4 Two lifting lugs 71 are symmetrically arranged at the connecting position of the standing frame 11 and the descending ladder 12.
[0045] It can be understood that the lifting lug 71 is convenient for the relevant technical personnel to use the travelling crane to carry the safety ladder.
[0046] In summary, the sand box safety ladder of the utility model stably connects the main assembly and the sand box by using the first fixing assembly, the second fixing assembly and the supporting assembly, so as to facilitate personnel to enter and exit the sand box, and realizes the purpose of safe production while ensuring product quality.
[0047] In the description of the present application, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0048] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.
[0049] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and deform the above embodiments within the scope of the present application.
Claims
1. A sand box safety ladder characterized by, The utility model relates to a kind of standing frame, which comprises: Main body assembly (1), first fixed assembly (2), second fixed assembly (3) and support assembly (4), wherein, The main body assembly (1) includes a standing frame (11), a descending ladder (12) and a fence (13), wherein, The standing frame (11) is connected with the descending ladder (12), and the fence (13) is arranged on the standing frame (11) and the descending ladder (12); The first fixed assembly (2) includes a fixed plate (21) and a positioning pin (23), wherein, The fixed plate (21) is connected with the standing frame (11), and a through hole (22) is formed in the fixed plate (21), and the positioning pin (23) is inserted into the through hole (22); The second fixed assembly (3) includes a limiting frame (31), a limiting box (32) and a fixed bolt (33), wherein, The limiting frame (31) is connected with the standing frame (11), the limiting box (32) is slidingly connected with the limiting frame (31), and the fixed bolt (33) is arranged on the limiting box (32); The support assembly (4) is arranged at the connection between the standing frame (11) and the descending ladder (12).
2. The sand box safety ladder of claim 1, wherein, The support assembly (4) includes a support frame (41), a first plate body (42) and two reinforcing rods (43), wherein, The support frame (41) is connected with the standing frame (11), and the first plate body (42) is arranged on the support frame (41); One end of each of the two reinforcing rods (43) is connected with the support frame (41), and the other end of each of the two reinforcing rods (43) is connected with the descending ladder (12).
3. The sand box safety ladder of claim 1, wherein, The limiting frame (31) includes two U-shaped frames (311), two first square rods (312) and two second square rods (313), wherein, The two U-shaped frames (311) are symmetrically connected with the standing frame (11), respectively, and two ends of each of the two first square rods (312) and the two second square rods (313) are connected with the two U-shaped frames (311), respectively, and the two first square rods (312) are located above the two second square rods (313); The limiting box (32) is arranged outside the two first square rods (312), and the limiting box (32) is slidingly connected with the two second square rods (313).
4. The sand box safety ladder of claim 2, wherein, The support frame (41) is connected with a second plate body (51), and a rubber pad (52) is arranged on the second plate body (51).
5. The sand box safety ladder of claim 3, wherein, A safety chain (61) is connected to the U-shaped frame (311).
6. The sand box safety ladder of claim 1, wherein, Two lifting lugs (71) are symmetrically arranged at the connection between the standing frame (11) and the descending ladder (12).