Telescopic emergency discharge hopper

By designing a retractable emergency unloading hopper, which utilizes nested standard sections and hooks to achieve rapid extension and retraction, the problems of large space occupation and low reusability of existing emergency unloading hoppers are solved, thereby increasing storage capacity and wear resistance and reducing maintenance costs.

CN223591484UActive Publication Date: 2025-11-25CHENGDU DESIGN & RES INST OF BLDG MAT IND CO LTD
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Patent Information

Application Number
CN202520042971.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-11-25
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Existing emergency unloading hoppers lack telescopic functionality, occupy a large space, have a low reuse rate, are inconvenient to maintain, have limited storage capacity, and it is difficult to balance wear resistance and telescopic functionality.

Method used

The retractable emergency unloading hopper uses at least two layers of standard sections with gradually changing dimensions and nested within each other. It utilizes gravity to achieve expansion and contraction. The standard sections are V-shaped sections welded into an inner hollow ring. Combined with a hook and a manual gate valve, it controls the material discharge, achieving rapid expansion and contraction and wear-resistant buffering.

Benefits of technology

The emergency unloading hopper can be retracted into a flat surface when not in use, saving space, increasing reusability, reducing maintenance costs, enhancing wear resistance and storage capacity, and meeting emergency storage needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a telescopic emergency discharge hopper which comprises at least two layers of standard knots (3) which are gradually changed in size and nested with each other, and each standard knot (3) is of a hollow ring structure formed by welding a V-shaped section. The uppermost standard knot (3) in the at least two layers of standard knots (3) is connected with a mounting frame (4), and the lowermost standard knot (3) is provided with at least one lifting hook (5); the size from the standard knot (3) on the uppermost layer to the standard knot (3) on the lowermost layer is reduced in equal proportion, and except for the standard knot (3) on the uppermost layer, each standard knot (3) is clamped by a V-shaped unfolding angle and length in the V-shaped section of the standard knot (3) on the upper layer; and at least two layers of standard knots (3) have the same V-shaped unfolding angle and length. The discharging hopper can be unfolded in time according to actual requirements and can be contracted into a plane when not used, the volume of the bin can be guaranteed, the effective space occupancy rate can be increased, the discharging hopper can be repeatedly used, unnecessary space waste is reduced, and manufacturing cost is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to material unloading technical field, concretely relates to a telescopic emergency discharge hopper. BACKGROUND

[0002] The cement or aggregate and so on factory in the process of daily production some unloading position can collapse or block material, when meeting this kind of emergency, need to clean up these materials in time or temporary storage, the purpose is to prevent its scattering everywhere and causes environmental pollution, generally this kind of collapse or block material position is in interlayer platform, and the position space is limited. When meeting this kind of situation, the previous processing scheme is to make a temporary storage box to carry out temporary material receiving. However, this kind of temporary storage box is limited in storage capacity on the one hand, and does not have the unloading function, and can only be stacked in the original place after use, especially occupies space, or adopts the way of pulling away by manpower, but it is time-consuming and laborious. The traditional way only has the function of temporary storage of material, and cannot cope when the material is more and needs to be unloaded quickly, and more importantly, it is difficult to realize that it is not used and is not occupied in the space of interlayer platform. In addition, the existing emergency discharge hopper has the following problems:

[0003] The existing emergency discharge hopper does not have the telescopic function, and occupies a large space when not used; the existing emergency discharge hopper is a whole welding piece, does not adopt the standard section block structure, cannot replace the hopper body locally according to the wear degree, has low reuse rate, and is inconvenient to maintain and replace, and has high cost; the existing emergency discharge hopper is limited by the site and has limited storage capacity, and cannot meet the demand of emergency storage; and it is difficult to consider the wear resistance and telescopic function. INVENTION CONTENTS

[0004] The utility model aims at the above-mentioned problems existing at present, provides a telescopic emergency discharge hopper, which can be unfolded in time according to actual needs, can be contracted into a plane when not used, can guarantee the volume of the stock bin, can improve the effective space occupancy rate, can be reused, can reduce unnecessary space waste, and can save manufacturing cost.

[0005] The technical scheme of the utility model is as follows:

[0006] A telescopic emergency discharge hopper, comprising at least two layers of standard sections with gradually changed sizes and nested with each other, the structure of the standard section is a V-shaped section welded into an annular inner cavity, at least two layers of standard sections, the uppermost standard section is connected with a mounting frame, and at least one lifting hook is arranged on the lowermost standard section, the size of the uppermost standard section to the lowermost standard section is reduced in proportion, and the standard section is clamped by the V-shaped unfolding angle and length of the V-shaped section of the upper standard section, except the uppermost standard section, at least two layers of standard sections have the same V-shaped unfolding angle and length.

[0007] Further, the standard section comprises a first standard section to a twentieth standard section, the second standard section controls the depth of the clamping hoop by the V-shaped unfolding angle and length of the first standard section, and so on, the twentieth standard section controls the depth of the clamping hoop by the V-shaped unfolding angle and length of the nineteenth standard section; the adjacent standard sections reach the clamping and stretching by gravity through the V-shaped unfolding angle and length.

[0008] Further, the first standard section is connected with the feeding port through the connected mounting frame, and the twentieth standard section is provided with at least one hook, and the at least two layers of standard sections are contracted or stretched by pulling up or putting down the hook.

[0009] Further, the unfolding angle of the V-shaped section is 80°-120°, the unfolding length is 50mm-200mm, and the unfolding lengths of the upper and lower edges of the V-shaped section are the same; the unfolded edge of the V-shaped section of the standard section is clamped by the lower unfolded edge of the previous layer of standard sections.

[0010] Further, the valley angle of the discharge hopper is determined by the V-shaped unfolding angle of the standard section, and the valley angle ranges from 45° to 65°.

[0011] Further, the shape of the standard section is one of a circular ring, a rectangular ring or a square ring.

[0012] Further, the upper side of the first standard section is further provided with a cover plate connected movably, and one side of the cover plate is rotatably connected with the first standard section, or the cover plate is slidably arranged in a sliding groove arranged on the side surface of the first standard section.

[0013] Further, the side surface of the twentieth standard section is slidably provided with a manual gate valve for controlling the discharge flow of the material.

[0014] Further, the number of the hooks is four.

[0015] Further, the size of the feeding port of the discharge hopper is 3000mm*3000mm, the size of the discharge port is 900mm*900mm, and the hopper depth is 1547mm.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. A telescopic emergency discharge hopper, which can be quickly telescoped, relies on its own gravity and material weight without providing power, is contracted into a plane when not used, and does not occupy space; the emergency discharge hopper adopts a unique nested block structure, is convenient and fast to manufacture and install, and is flexible and free to contract.

[0018] 2. The telescopic emergency discharge hopper can replace the seriously worn standard section, without reinstallation, improve the overall utilization rate, and the maintenance is simple, the cost is low, and the cost of the hopper is saved; the V-shaped standard section can prevent the material from directly impacting the inner wall of the hopper, play a buffering and anti-wear role, increase the service life of the device, and consider wear resistance and telescopic function;

[0019] 3. The telescopic emergency discharge hopper can maximize the setting of a large-capacity emergency discharge hopper in limited space. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a telescopic emergency discharge hopper.

[0021] Figure 2 It is a structural schematic diagram of a telescopic emergency discharge hopper after contraction.

[0022] Figure 3 It is a structural schematic diagram of a telescopic emergency discharge hopper.

[0023] Figure 4 It is a schematic diagram of adjacent standard section clamps of a telescopic emergency discharge hopper after extension.

[0024] Figure 5 It is a schematic diagram of adjacent standard section clamps of a telescopic emergency discharge hopper after contraction.

[0025] Figure 6 It is a side view of the installation position of the lifting hook of a telescopic emergency discharge hopper.

[0026] Figure 7 It is a top view of the installation position of the lifting hook of a telescopic emergency discharge hopper.

[0027] Reference signs: 1 - cover plate, 2 - manual gate valve, 3 - standard section, 4 - installation frame, 5 - lifting hook, 6 - first standard section, 7 - second standard section, 8 - third standard section, 9 - fourth standard section, 10 - fifth standard section, 11 - sixth standard section, 12 - seventh standard section, 13 - eighth standard section, 14 - ninth standard section, 15 - tenth standard section, 16 - eleventh standard section, 17 - twelfth standard section, 18 - thirteenth standard section, 19 - fourteenth standard section, 20 - fifteenth standard section, 21 - sixteenth standard section, 22 - seventeenth standard section, 23 - eighteenth standard section, 24 - nineteenth standard section, 25 - twentieth standard section. DETAILED DESCRIPTION

[0028] It is to be understood that the terms "first" and "second" and similar such relational terms are used solely to distinguish one entity or action from another without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more limitations, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0029] The features and performances of the present application will be further described in detail below in connection with the embodiments.

[0030] Please refer to Figures 1-7 , a telescopic emergency discharge hopper, as shown in Figure 1 and Figure 2 , comprising at least two layers of standard sections 3 with gradually changing sizes and nested with each other, as shown in Figure 3 , the structure of the standard section 3 is a hollow ring welded in V-shaped section; the uppermost standard section 3 of the at least two layers of standard sections 3 is connected with a mounting frame 4, the shape of the mounting frame is consistent with the planar size of the emergency discharge hopper; at least one lifting hook 5 is arranged on the lowermost standard section 3; the sizes of the uppermost standard section 3 to the lowermost standard section 3 are proportionally reduced, and except for the uppermost standard section 3, the standard section 3 is clamped by the V-shaped unfolding angle and length of the V-shaped section of the upper standard section 3; the at least two layers of standard sections 3 all have the same V-shaped unfolding angle and length. The shape of the standard section 3 is one of a circular ring, a rectangular ring or a square ring.

[0031] The size of the standard section 3 gradually decreases from high to low according to the size of the feeding port at the top and the discharge port at the bottom, and the standard sections 3 can be supported and sealed by self-weight in this way, and the hierarchical nested structure of the discharge hopper is composed of the first standard section 6 to the twentieth standard section 25, and the above scheme realizes the free telescopic function of the emergency discharge hopper, and the mutual nesting structure strengthens the overall bearing capacity;

[0032] As shown in Figure 4 and Figure 5As shown, the standard section 3 includes the first standard section 6 to the twentieth standard section 25, the second standard section 7 controls the depth of the clamping hoop by the V-shaped unfolding angle and length of the first standard section 6, and so on, the twentieth standard section 25 controls the depth of the clamping hoop by the V-shaped unfolding angle and length of the nineteenth standard section 24; the adjacent standard sections 3 reach the clamping and expansion by gravity through the V-shaped unfolding angle and length. The first standard section 6 is connected to the feeding port through the connected mounting frame 4, as shown in Figure 6 and Figure 7 As shown, at least one hook 5 is arranged on the twentieth standard section 25, and the at least two layers of standard sections 3 are contracted or expanded by pulling up or putting down the hook 5. The number of the hooks 5 is four. The hooks 5 are evenly distributed in the ring direction, and the hook assists the unloading hopper to contract.

[0033] The unfolding angle of the V-shaped section is 80°-120°, the unfolding length is 50mm-200mm, and the unfolding lengths of the upper and lower edges of the V-shaped section are the same; the unfolded edge of the V-shaped section of the standard section 3 is clamped by the lower unfolded edge of the previous layer of standard sections 3. The valley angle of the unloading hopper is determined by the V-shaped unfolding angle of the standard section 3, and the valley angle ranges from 45° to 65°. It is convenient for the emergency unloading hopper to smoothly unload.

[0034] The upper side of the first standard section 6 is further provided with a movable cover plate 1, one side of the cover plate 1 is rotatably connected with the first standard section 6, or the cover plate 1 is slidably arranged in the sliding groove arranged on the side of the first standard section 6. The side of the twentieth standard section 25 is slidably provided with a manual gate valve 2 for controlling the discharge flow of the material. It plays a protective role when not used in daily life. It can be opened at any time when needed. It plays a supporting role in the contracted state of the unloading hopper.

[0035] The size of the feeding port of the unloading hopper is 3000mm×3000mm, the size of the discharge port is 900mm×900mm, and the hopper depth is 1547mm.

[0036] Specific implementation process: the main inlet and outlet of the emergency discharge hopper is a rectangular structure, fixed in a rectangular mounting frame, the inlet size is 3000x3000mm, the outlet size is 900x900mm, the hopper depth is 1547mm, from the inlet to the outlet, the size of the standard section 3 gradually decreases, after stretching, it is similar to an inverted pyramid, a total of 20 V-shaped cross-section section standard sections 3, from the inlet size 3000x3000mm to the outlet size, it decreases in turn, for example, the second standard section 7 is 2900x2900mm, for example, the third standard section 8 is 2800x2800mm… Until the height of 1547mm, the V-shaped cross-section unfolding angle of the standard section 3 is 114°, the unfolding length is 200, the discharge valley angle range is 51.91°, by adopting the above scheme, the emergency discharge hopper is convenient for supporting and sealing and smooth discharging, realizes the function of free expansion of the emergency discharge hopper, at the same time, the mutually nested structure strengthens the overall bearing capacity, and plays a buffering and anti-wear role; the emergency discharge hopper is provided with a rectangular cover plate to seal the feeding port, the hopper body is collected daily, and the cover plate is covered to play a role in protecting pedestrians. When needed, the cover plate is opened and the discharge hopper is lowered; a manual gate valve with a size of 900x900mm is arranged at the lowermost discharge port, which controls the discharge flow of the material, and plays a supporting role in the contracted state of the discharge hopper, four annular uniformly distributed lifting hooks 5 are arranged on the lowermost discharge port, which assists the contraction of the discharge hopper.

[0037] The manufacturing method of the telescopic emergency discharge hopper of the present application is:

[0038] Determine the design volume, the shape and size of the feeding port, the shape and size of the discharge port, and the hopper height;

[0039] Use BIM technology to establish a parameterized model in the software, and the main parameters are:

[0040] The feeding port width W, the feeding port length L, the discharge port width w, the discharge port length l, the hopper height H, and the volume V;

[0041] According to the established model, the surface is divided, the side wall of the hopper is evenly divided into each layer height according to a fixed number, and the height h1 required by the standard section nesting structure is determined;

[0042] Establish a V-shaped cross-section parameterized profile model, and the main parameters are: V-angle α, L 上部 and L 下部 , L 上部 and L 下部 may be equal or designed to be shorter at the top and longer at the bottom according to needs, the standard section height h2=(L 上部 and L 下部 )*sin(α / 2); Wherein the necessary condition is: h2>(h1+100);

[0043] According to the establishment of the standard section adaptive model, the V-shaped profile rotates one round with the shape of the feeding port as the path, and the distance between the corresponding V-shaped sharp corners is the size of the feeding port; the adaptive standard section model will automatically establish the model and automatically adjust the size of each section according to the specific size in accordance with the rule of decreasing from the top;

[0044] The standard section model is imported into the parametric model, so that the standard section adapts to the whole model, and the overall model is established; the valley angle β is automatically obtained according to the model;

[0045] The EDEM discrete unit is used for simulation and simulation, the hopper running condition is calculated, and the best design size is found out.

[0046] In the best case, the specific size of each standard section from the feeding port to the discharge port is output, and the production sheet is formed.

[0047] The above-described embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the protection scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the technical concept of the present application, a number of modifications and improvements can be made, which are within the protection scope of the present application.

Claims

1. A telescoping emergency hopper characterized by, The application relates to a standard section (3) which comprises at least two layers of size-graduated and mutually nested standard sections (3) which are in the shape of a V-shaped section and are welded into an annular shape; the uppermost standard section (3) of the at least two layers of standard sections (3) is connected with a mounting frame (4), and the lowermost standard section (3) is provided with at least one lifting hook (5); the sizes of the uppermost standard section (3) to the lowermost standard section (3) are in proportionally reduced, and the standard section (3) is clamped by the V-shaped unfolding angle and length of the V-shaped section of the upper standard section (3) except the uppermost standard section (3); the at least two layers of standard sections (3) have the same V-shaped unfolding angle and length.

2. A telescoping emergency hopper according to claim 1, wherein, The standard section (3) comprises a first standard section (6) to a twentieth standard section (25), the second standard section (7) is clamped by the V-shaped unfolding angle and length of the first standard section (6), and the twentieth standard section (25) is clamped by the V-shaped unfolding angle and length of the nineteenth standard section (24); the adjacent standard sections (3) are clamped and stretched by gravity through the V-shaped unfolding angle and length.

3. A telescoping emergency hopper according to claim 2, wherein, The first standard section (6) is connected with a feeding port through the connected mounting frame (4), and the twentieth standard section (25) is provided with at least one lifting hook (5); the at least two layers of standard sections (3) are contracted or stretched by lifting or lowering the lifting hook (5).

4. A telescoping emergency hopper according to claim 1, wherein, The unfolding angle of the V-shaped section is 80-120 DEG, the unfolding length is 50-200 mm, and the unfolding lengths of the upper and lower edges of the V-shaped section are the same; the unfolding edge of the V-shaped section of the standard section (3) is clamped by the lower unfolding edge of the upper standard section (3).

5. A telescoping emergency hopper according to claim 1 wherein, The valley angle of the discharge hopper is determined by the V-shaped unfolding angle of the standard section (3), and the valley angle ranges from 45 DEG to 65 DEG.

6. A telescoping emergency hopper according to claim 1 wherein, The shape of the standard section (3) is one of a circular ring, a rectangular ring or a square ring.

7. A telescoping emergency hopper according to claim 2 or 3, wherein, The upper side of the first standard section (6) is further provided with a movably connected cover plate (1), one side of the cover plate (1) is rotatably connected with the first standard section (6), or the cover plate (1) is slidably arranged in a sliding groove arranged on the side of the first standard section (6).

8. A telescoping emergency hopper according to claim 2 or 3, wherein, The side of the twentieth standard section (25) is slidably provided with a manual gate valve (2) for controlling the discharge flow of materials.

9. A telescoping emergency hopper according to claim 3, wherein, The number of the lifting hooks (5) is four.

10. A telescoping emergency hopper according to claim 1 wherein, The size of the feeding port of the discharge hopper is 3000 mm*3000 mm, the size of the discharge port is 900 mm*900 mm, and the depth of the hopper is 1547 mm.