Air leakage prevention and crack resistance trolley breast board with gravity compensation function

Abstract

The utility model provides an anti-air-leakage anti-crack trolley breast board with a gravity compensation function, which comprises an upper breast board and a lower breast board, the upper breast board and the lower breast board are connected into a whole, an anti-crack component is arranged at the top of the upper breast board and comprises a plurality of inverted triangle-shaped heat dissipation holes, and the upper breast board and the lower breast board are connected into a whole. The heat dissipation holes are uniformly and transversely arranged at the top of the upper breast board at equal intervals, an expansion joint is arranged at the upper end of each heat dissipation hole, a crack arrest hole is formed in the bottom of each expansion joint, extension of cracks is effectively prevented during deformation and cracking, the service life of the breast board is prolonged, a patch is arranged on the side edge of the upper breast board, and a clamping column is arranged on the side edge of the bottom of the lower breast board. A clamping groove matched with the clamping column is formed in the lower end of the patch, and the patch is clamped on the clamping column; by means of the expansion joints and the crack arresting holes in the expansion joints, extension of cracks can be effectively prevented when the upper portion of the breast board deforms and cracks, and the service life of the breast board is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of trolley guardrails, in particular to an air leakage and crack-resistant trolley guardrail with gravity compensation function. Background Art

[0002] The sintering trolley is the main operating component of the sintering machine. Its main function is to form a running rotary chain between the head and tail wheels of the sintering machine. It receives the sintering mixed materials in the upper horizontal section, and returns to the head wheel after preheating, ignition, sintering, cooling, and turning over, forming a transmission cycle to achieve the purpose of sintering materials. The sintering trolley is composed of a trolley body, wheels, sealing mechanism, grates, guardrails, and insulation pads. The sealing mechanism is installed on the guardrails.

[0003] The existing Chinese patent document CN201020263521.3 discloses a sintering trolley guardrail, which relates to the technical field of sintering trolleys in the metallurgical industry, and includes at least two guardrails, and mutually matching bosses and grooves are arranged between two adjacent guardrails. A stopper formed by a pair of bosses and grooves is arranged at the relative position where the two guardrails are connected. In this way, the stopper can play an auxiliary positioning role when assembling the guardrails, thereby improving the assembly efficiency of the workers. During use, the presence of the stopper limits the deformation direction of the guardrail and reduces the deformation trend. At the same time, since the flat joint surface is changed into a curved joint surface, the resistance to air leakage is increased and the amount of air leakage is reduced. Even if the guardrail has a small amount of deformation, the presence of the stopper can avoid leakage. The use of the new guardrail greatly increases the service life of the guardrail and improves production efficiency.

[0004] However, the above patent has certain defects when in use. Since the working temperature of the guardrail is relatively high and the alternation between hot and cold is uneven, the guardrail is subjected to great impact from the sintered ore. As time goes by, the guardrail will deform and crack, affecting its service life.

[0005] For this reason, a leakage-proof and crack-resistant trolley guardrail with gravity compensation function is proposed here to solve the above-mentioned problems. Utility Model Content

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a trolley guardrail having a gravity compensation function and which is air leakage and crack resistance.

[0007] The utility model is implemented by the following technical solutions:

[0008] A trolley guardrail with gravity compensation function for preventing air leakage and cracking, comprising an upper guardrail and a lower guardrail, wherein the upper guardrail and the lower guardrail are connected as a whole, an anti-cracking component is provided on the top of the upper guardrail, and the anti-cracking component comprises a heat dissipation hole, and a plurality of heat dissipation holes are provided. The heat dissipation holes are in an inverted triangle shape and are uniformly and equidistantly arranged laterally on the top of the upper guardrail, an expansion joint is provided on the upper end of each heat dissipation hole, and a crack stop hole is provided at the bottom of the expansion joint.

[0009] Through the above technical scheme, by utilizing the expansion joint and the crack-stopping holes inside the expansion joint, the extension of cracks can be effectively prevented when deformation and cracking occur on the upper part of the guardrail, thereby extending the service life of the guardrail.

[0010] The side of the upper railing is provided with a patch block, the bottom side of the lower railing is provided with a clamping column, the lower end of the patch block is provided with a clamping groove adapted to the clamping column, and the patch block is clamped on the clamping column;

[0011] A fixing block is provided on the surface of the patch block, and studs are respectively provided at the center and upper and lower ends of the fixing block to fix the patch block to the upper railing. Single-ear stop washers are provided on the studs at the upper and lower ends, and a double stop washers are provided on the studs at the center.

[0012] Through the above technical solution, patch blocks are arranged on the sides of the railings, and the gravity compensation effect of the patch blocks is utilized to effectively block the gaps between multiple railings, so that air leakage will not occur during the hot and cold expansion and contraction process.

[0013] A plurality of process grooves are arranged on the back of the upper railing, and the process grooves are arranged in a honeycomb shape.

[0014] Through the above technical solution, multiple process grooves are arranged in a honeycomb shape, with smooth transitions between each other, no stress concentration points, and are not prone to cracking due to hot and cold changes.

[0015] A plurality of vertical reinforcing ribs are arranged on the back side of the lower railing, and a plurality of mounting holes are arranged on the bottom side of the lower railing.

[0016] Through the above technical solution, vertical reinforcing ribs enhance the strength of the lower railing, and the mounting holes are used to fix it to the trolley with bolts, thus solving the problem of shaking and swaying of the railing during use.

[0017] Hanging holes are symmetrically arranged on both sides of the upper end of the upper railing.

[0018] Through the above technical solution, the lifting holes on both sides facilitate the lifting operation of the trolley guardrail, and the trolley guardrail can be lifted by lifting equipment for installation to improve efficiency.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] 1. By setting expansion joints and crack-stop holes on the upper end of the guardrail, the extension of cracks can be effectively prevented when deformation and cracking occur in the upper part of the guardrail, thereby extending the service life of the guardrail. In addition, multiple process grooves are set on the back of the guardrail. The setting of the process grooves reduces material waste and enables the upper guardrail to adapt to the thermal stress of expansion in the high-temperature zone, making the upper guardrail less likely to crack and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a front structural schematic diagram of the utility model;

[0023] Figure 3 yes Figure 2 A schematic diagram of the structure enlargement in the middle;

[0024] Figure 4 yes Figure 1 Schematic diagram of the structure in the middle A direction;

[0025] Figure 5 yes Figure 4 A magnified schematic diagram of the structure at B in the middle;

[0026] In the figure: 1. Upper railing; 11. Process groove; 12. Expansion joint; 13. Heat dissipation hole; 14. Crack stop hole; 2. Lower railing; 21. Vertical reinforcement rib; 22. Mounting hole; 23. Clamp column; 3. Lifting hole; 4. Patch block; 5. Bolt; 6. Double stop washer; 7. Single ear stop washer; 8. Fixing block. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0028] The utility model is further described below in conjunction with the accompanying drawings.

[0029] like Figures 1 to 5 As shown, a trolley guardrail with gravity compensation function and air leakage prevention and crack resistance comprises an upper guardrail 1 and a lower guardrail 2, the upper guardrail 1 and the lower guardrail 2 are connected as a whole, and hanging holes 3 are symmetrically arranged on both sides of the upper end of the upper guardrail 1, and the hanging holes 3 on both sides are convenient for the hoisting operation of the trolley guardrail, and the trolley guardrail is hoisted by a lifting device for installation to improve efficiency, and an anti-cracking component is arranged on the top of the upper guardrail 1, and the anti-cracking component comprises a heat dissipation hole 13, and a plurality of heat dissipation holes 13 are arranged, and the heat dissipation holes 13 are in an inverted triangle shape, and are uniformly and equidistantly arranged laterally on the top of the upper guardrail 1, and an expansion joint 12 is arranged on the upper end of each of the heat dissipation holes 13, and a crack stop hole 14 is arranged at the bottom of the expansion joint 12;

[0030] By utilizing the expansion joint 12 and the crack-stopping hole 14 inside the expansion joint 12, when deformation and cracking occur on the upper part of the guardrail, the extension of the crack can be effectively prevented, thereby extending the service life of the guardrail.

[0031] The side of the upper railing 1 is provided with a patch block 4, the bottom side of the lower railing 2 is provided with a clamping column 23, the lower end of the patch block 4 is provided with a clamping groove adapted to the clamping column 23, and the patch block 4 is clamped on the clamping column 23;

[0032] A fixing block 8 is provided on the surface of the patch block 4, and studs are respectively provided at the center and the upper and lower ends of the fixing block 8 to fix the patch block 4 to the upper railing 1. Single-ear stop washers 7 are provided on the studs at the upper and lower ends, and a double stop washer 6 is provided on the studs at the center. The patch block 4 is arranged on the side of the railing, and the gravity compensation effect of the patch block 4 is utilized to effectively block the gap between multiple railings, so that no air leakage will occur during the hot and cold expansion and contraction process.

[0033] A plurality of process grooves 11 are arranged on the back of the upper railing 1. The process grooves 11 are arranged in a honeycomb shape, with smooth transitions between each other, no stress concentration points, and are not prone to cracking due to changes in temperature.

[0034] A plurality of vertical reinforcing ribs 21 are provided on the back of the lower guardrail 2, and a plurality of mounting holes 22 are provided on the bottom of the lower guardrail 2. The vertical reinforcing ribs 21 enhance the strength of the lower guardrail 2, and the mounting holes 22 are used to fix the lower guardrail 2 to the trolley with bolts 5, thereby solving the problem of shaking and swaying of the guardrail during use.

[0035] The working principle of the utility model is as follows: due to the high heat during sintering, local or large-area cracks of the guardrail are prone to occur, so heat dissipation holes 13 and expansion joints 12 are arranged on the guardrail, and crack-stop holes 14 are arranged inside the expansion joints 12. These can be used to well prevent the guardrail from cracking, meet the needs of the guardrail work, and can effectively prevent the extension of cracks when deformation and cracking occur on the upper part of the guardrail, thereby extending the service life of the guardrail.

[0036] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A trolley guardrail with gravity compensation function and air leakage prevention and crack resistance, comprising an upper guardrail (1) and a lower guardrail (2), wherein the upper guardrail (1) and the lower guardrail (2) are connected as a whole, characterized in that: The top of the upper railing (1) is provided with an anti-cracking component, the anti-cracking component includes a heat dissipation hole (13), a plurality of the heat dissipation holes (13) are provided, the heat dissipation holes (13) are in an inverted triangle shape, and are evenly and equidistantly arranged laterally on the top of the upper railing (1), an expansion joint (12) is provided at the upper end of each of the heat dissipation holes (13), and a crack-stop hole (14) is provided at the bottom of the expansion joint (12).

2. The anti-leakage and anti-cracking trolley guardrail with gravity compensation function according to claim 1 is characterized in that: The side edge of the upper railing (1) is provided with a patch block (4), the bottom side edge of the lower railing (2) is provided with a clamping column (23), the lower end of the patch block (4) is provided with a clamping groove matched with the clamping column (23), and the patch block (4) is clamped on the clamping column (23); The surface of the patch block (4) is provided with a fixing block (8), and the fixing block (8) is provided with studs at the center and the upper and lower ends respectively, so as to fix the patch block (4) and the upper railing (1), and the studs at the upper and lower ends are provided with single-ear stop washers, and the studs at the center are provided with double stop washers (6).

3. The anti-leakage and anti-cracking trolley guardrail with gravity compensation function according to claim 2 is characterized in that: A plurality of process grooves (11) are provided on the back of the upper railing (1), and the process grooves (11) are arranged in a honeycomb shape.

4. The anti-leakage and anti-cracking trolley guardrail with gravity compensation function according to claim 3 is characterized by: The back of the lower railing (2) is provided with a plurality of vertical reinforcing ribs (21), and the bottom of the lower railing (2) is provided with a plurality of mounting holes (22).

5. The anti-leakage and anti-cracking trolley guardrail with gravity compensation function according to claim 4 is characterized in that: Hanging holes (3) are symmetrically provided on both sides of the upper end of the upper railing (1).

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