Jacking mechanism for shoveling plate of chain conveyor

Abstract

The utility model discloses a chain machine shoveling plate jacking mechanism which comprises a chain machine rack, a shoveling plate rotatably installed on the inner side of the chain machine rack and a jacking mechanism body hinged to the bottom of the shoveling plate, the jacking mechanism body comprises a T-shaped pull rod, the top end of the T-shaped pull rod is hinged to the bottom of the shoveling plate, and the bottom end of the T-shaped pull rod is fixedly connected with a steel wire rope. According to the utility model, a series of structures are arranged, so that the material shoveling plate can be conveniently and forcibly jacked by simply and upwards pushing the L-shaped handle at the bottom when forcibly jacking is needed, and the forcibly returning operation can be directly, conveniently and quickly carried out by treading on the bottom when the material shoveling plate is blocked and cannot automatically return; in addition, the stepping ring and the L-shaped handle are arranged vertically close to the side of the chain machine frame, the occupied space is small, the long-distance transverse protruding phenomenon is avoided, and therefore the phenomenon that mistaken touch is likely to happen due to the fact that the protruding length of one side is large is reduced, and the use safety is improved.

Description

Technical Field

[0001] This utility model relates to the field of metallurgical equipment technology, specifically to a chain conveyor shovel plate lifting mechanism. Background Technology

[0002] The chain grate machine is a key piece of equipment in pellet production. A scraper plate is located at the head of the chain grate machine, with its rear end hinged to the machine frame. To ensure the scraper plate's front end adheres tightly to the grate and automatically resets after scraping, a tie rod and counterweight are installed at the lower middle part of the scraper plate. However, in actual production, due to various reasons, the scraper plate often fails to reset after being lifted. In such cases, pressure must be applied from the top of the scraper plate to force it back to its original position. This is extremely inconvenient and dangerous due to the high ambient temperature.

[0003] According to the novelty search report, CN102050328B discloses a lifting mechanism for the scraper plate of a chain grate machine. This mechanism includes a pull rod hinged to the scraper plate and a counterweight connected to the pull rod. The lower part of the pull rod is connected to a linkage mechanism, which consists of an upper support, a swing rod hinged to the upper support in the middle, a connecting rod hinged to the left end of the swing rod, an operating lever hinged to the lower end of the connecting rod, a lower support hinged to the operating lever, and a limiting bolt on the lower support. The right end of the swing rod is fixedly connected to the lower part of the pull rod. The upper and lower supports are fixed sequentially to the frame of the chain grate machine from top to bottom. The lower end of the limiting bolt abuts against the upper surface of the operating lever. A manual wrench is provided on the operating lever. This mechanism facilitates the adjustment of the scraper plate and the cleaning of waste materials, and is simple in structure, easy to operate, and has stable performance.

[0004] The aforementioned technology discloses a chain grate shovel plate lifting mechanism. This mechanism, by horizontally installing a manual wrench, connecting rod, and swing rod on one side of the bottom of the frame, connects to the lower part of the pull rod, facilitating forced lifting from below. It also allows for forced return to position by loosening the limit bolt in case of jamming. However, it still has the following shortcomings: 1. The method of directly installing the manual wrench horizontally on one side results in a large protruding length, increasing the risk of accidental contact and compromising safety; 2. Forced return requires rotating the limit bolt to release the limit before operation, making direct, convenient, and quick forced return difficult, resulting in poor operational convenience and efficiency. Therefore, this application proposes a chain grate shovel plate lifting mechanism to address the aforementioned problems. Utility Model Content

[0005] The purpose of this utility model is to provide a chain conveyor shovel plate lifting mechanism to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a chain conveyor shovel plate lifting mechanism, comprising a chain conveyor frame, a shovel plate rotatably mounted inside the chain conveyor frame, and a lifting mechanism body hinged to the bottom of the shovel plate, wherein the lifting mechanism body comprises:

[0007] The top of the T-shaped tie rod is hinged to the bottom of the shovel plate, and the bottom of the T-shaped tie rod is fixedly connected to a steel wire rope. The bottom of the steel wire rope is fixedly connected to a counterweight. The T-shaped tie rod is used to move the steel wire rope and the counterweight upward when the shovel plate flips upward. After the shovel plate flips, the counterweight uses gravity to pull the shovel plate downward back to its original position through the steel wire rope and the T-shaped tie rod.

[0008] Top sleeve, fitted onto the outside of the wire rope;

[0009] The fixing box is fixedly connected to the inside of the chain conveyor frame;

[0010] The vertical guide rods consist of two sets and are fixedly connected between the inner walls of the top and bottom of the fixed box;

[0011] The top support assembly is slidably sleeved on the two vertical guide rods and movably sleeved on the wire rope, and makes movable contact with the top of the top sleeve; the top support assembly is used to be lifted by the top sleeve when the wire rope moves upward and drives the top sleeve to move upward, and is also used to allow personnel to push the T-shaped tie rod upward to lift it when forced lifting is required.

[0012] The step-on spring-loaded reset assembly is slidably mounted on two vertical guide rods and cooperates with the top support assembly. The step-on spring-loaded reset assembly is used to assist in the forced return of the unit by simply stepping on it from below when the counterweight fails to return to its original position due to factors such as accidental damping.

[0013] Preferably, the top sleeve is fixedly welded to the outside of the wire rope.

[0014] Preferably, the top sleeve is movably fitted onto the outside of the wire rope.

[0015] Preferably, the inner side of the top sleeve is in movable contact with the outer side of the wire rope, and the right side of the wire rope is in movable contact with a knob-type clamping bolt. The right side of the top sleeve has a threaded hole for threaded connection with the knob-type clamping bolt. The knob-type clamping bolt is used to lock or unlock the top sleeve and the wire rope. By using the unlockable mechanism that allows the inner side of the top sleeve to movably contact the wire rope, it is convenient for personnel to flexibly adjust the initial height of the top sleeve according to the lifting height after unlocking, thereby improving the flexibility of use.

[0016] Preferably, the top support assembly includes a slider that is slidably sleeved on two vertical guide rods. A circular sleeve is fixedly connected to the right side of the slider. The circular sleeve is movably sleeved on the outside of the wire rope and in movable contact with the top of the top sleeve. An L-shaped handle is fixedly connected to the bottom left side of the slider, and a fixing box is slidably sleeved on the L-shaped handle.

[0017] Preferably, the stepping spring reset assembly includes a pressure block slidably sleeved on two vertical guide rods. The pressure block is located above the slider and cooperates with the slider. Two vertical guide posts are fixedly connected to the left side of the pressure block. The bottom ends of the two vertical guide posts slide out to the bottom of the fixed box and are fixedly connected to the same stepping ring located at the lower left side of the chain machine frame. A fixed ring is fixedly sleeved on the vertical guide post. Two springs are fixedly connected between the top of the fixed ring and the bottom of the fixed box. The springs are movably sleeved on the corresponding vertical guide post. An L-shaped handle is located between the two vertical guide posts.

[0018] Preferably, the bottom of the fixing box has two circular guide holes that slide and fit with the outer side of the corresponding vertical guide post.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. By using the T-shaped tie rod, shovel plate, wire rope, counterweight, top sleeve, fixing box, vertical guide rod and top support assembly, the shovel plate can be forcibly lifted by simply pushing the L-shaped handle at the bottom when forced lifting is required;

[0021] 2. Through the combination of the T-shaped tie rod, shovel plate, wire rope, counterweight, top sleeve, fixing box, vertical guide rod, top support assembly and step-on spring reset assembly, when the counterweight cannot return to its original position due to factors such as accidental damping, personnel can easily force the return by stepping on the bottom. This allows for convenient, direct and quick forced return without the need for separate unlocking operations, thus improving operational convenience and efficiency.

[0022] 3. In addition, the foot ring and L-shaped handle are both set vertically close to the side of the chain conveyor frame, which occupies little space and has no long horizontal protrusion. Therefore, it reduces the possibility of accidental collision due to the large protrusion on one side, and improves the safety of use.

[0023] 4. The combination of knob-type clamping bolts, top sleeve, and wire rope allows personnel to flexibly adjust the initial height of the top sleeve according to the lifting height, improving the flexibility of use.

[0024] This utility model features a series of structures that facilitate forced lifting of the shovel plate by simply pushing the L-shaped handle upwards from the bottom when forced lifting is required. It also allows for quick and easy forced repositioning by stepping on the bottom when the plate is jammed and unable to return to its original position, eliminating the need for separate unlocking operations and improving operational convenience and efficiency. Furthermore, the vertical placement of the foot ring and L-shaped handle close to the side of the chain conveyor frame minimizes space occupation and avoids long lateral protrusions, thus reducing the risk of accidental collisions due to excessive protrusion on one side and improving safety. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of a chain conveyor shovel plate lifting mechanism according to Embodiment 1 of this utility model;

[0026] Figure 2 for Figure 1 Enlarged cross-sectional view of part A in the diagram;

[0027] Figure 3 This is a three-dimensional structural diagram of the lifting mechanism body of a chain conveyor shovel plate lifting mechanism according to Embodiment 1 of this utility model;

[0028] Figure 4 This is a three-dimensional structural diagram of the lifting mechanism body of a chain conveyor shovel plate lifting mechanism according to Embodiment 2 of this utility model.

[0029] In the diagram: 1. Chain conveyor frame; 101. Shovel plate; 102. T-shaped tie rod; 103. Steel wire rope; 104. Counterweight; 2. Top sleeve; 201. Knob-type clamping bolt; 3. Fixing box; 301. Vertical guide rod; 4. Slider; 401. Round sleeve; 403. L-shaped handle; 5. Pressure block; 501. Vertical guide post; 502. Fixing ring; 503. Spring; 6. Step ring. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Example 1

[0032] like Figures 1 to 3 As shown, the chain conveyor shovel plate lifting mechanism proposed in this embodiment includes a chain conveyor frame 1, a shovel plate 101 rotatably mounted inside the chain conveyor frame 1, and a lifting mechanism body hinged to the bottom of the shovel plate 101. The lifting mechanism body includes:

[0033] The top of the T-shaped pull rod 102 is hinged to the bottom of the shovel plate 101, and the bottom of the T-shaped pull rod 102 is fixedly connected to the wire rope 103. The bottom of the wire rope 103 is fixedly connected to the counterweight 104. The T-shaped pull rod 102 is used to drive the wire rope 103 and the counterweight 104 to move upward when the shovel plate 101 is flipped upward. After the shovel plate 101 is flipped, the counterweight 104 uses gravity to pull the shovel plate 101 downward and back to its original position through the wire rope 103 and the T-shaped pull rod 102 in sequence.

[0034] Top sleeve 2 is fitted onto the outside of wire rope 103;

[0035] The fixing box 3 is fixedly connected to the inside of the chain machine frame 1;

[0036] The vertical guide rod 301 consists of two sets and is fixedly connected between the top inner wall and the bottom inner wall of the fixed box 3;

[0037] The top support assembly is slidably sleeved on the two vertical guide rods 301 and movably sleeved on the wire rope 103, and makes movable contact with the top of the top sleeve 2; the top support assembly is used to be lifted by the wire rope 103 when it moves upward and drives the top sleeve 2 upward, and is also used to allow personnel to push the T-shaped tie rod 102 upward when forced lifting is required.

[0038] The step-on spring-loaded reset assembly is slidably mounted on the two vertical guide rods 301 and cooperates with the top support assembly. The step-on spring-loaded reset assembly is used to assist in the forced return of the unit by simply stepping on it from below when the counterweight fails to return to its original position due to factors such as accidental damping.

[0039] Specifically, the top sleeve 2 is fixedly welded to the outside of the wire rope 103.

[0040] Furthermore, the top support assembly includes a slider 4 slidably fitted on two vertical guide rods 301. The top of the slider 4 has two first vertical guide holes that are slidably fitted on the outside of the vertical guide rods 301, which serve to guide the slider 4 to slide vertically. A circular sleeve 401 is fixedly connected to the right side of the slider 4. The circular sleeve 401 is movably fitted on the outside of the wire rope 103 and makes movable contact with the top of the top sleeve 2. An L-shaped handle 403 is fixedly connected to the bottom left side of the slider 4. A fixed box 3 is slidably fitted on the L-shaped handle 403. The bottom of the fixed box 3 has a rectangular guide hole that is slidably fitted on the outside of the L-shaped handle 403, which serves to guide the L-shaped handle 403 to slide vertically.

[0041] The slider 4, circular sleeve 401, and L-shaped handle 403 work together to lift the scraper plate 101 from the ore on the grate. This causes the T-shaped pull rod 102 to move upward, which in turn moves the wire rope 103 and counterweight 104 upward. The wire rope 103 then moves the top sleeve 2 upward, which in turn pushes the circular sleeve 401 upward. The circular sleeve 401 then causes the slider 4 to slide upward on the two vertical guide rods 301, thus allowing it to pass through the T-shaped handle sequentially as the scraper plate 101 rotates. The pull rod 102, wire rope 103, and top sleeve 2 work together to lift the round sleeve 401 and slider 4. When forced upward rotation is required, the operator can directly push the L-shaped handle 403 upward from the bottom to move the slider 4 upward. The slider 4 then drives the round sleeve 401 to lift the T-shaped pull rod 102 upward, thereby driving the shovel plate 101 to rotate upward. This achieves the effect of allowing the operator to push the shovel plate upward through the T-shaped pull rod 102 when forced lifting is required.

[0042] Furthermore, the stepping spring reset assembly includes a pressure block 5 slidably sleeved on two vertical guide rods 301. The top of the pressure block 5 has two second vertical guide holes that are slidably sleeved on the outer side of the corresponding vertical guide rods 301, which serve to guide the vertical sliding of the pressure block 5. The pressure block 5 is located above the slider 4 and cooperates with the slider 4. Two vertical guide posts 501 are fixedly connected to the left side of the pressure block 5. The bottom ends of the two vertical guide posts 501 slide out to the bottom of the fixed box 3 and are fixedly connected to the same stepping ring 6 located on the lower left side of the chain machine frame 1. The bottom of the fixed box 3 has two round guide holes that are slidably sleeved on the outer side of the corresponding vertical guide posts 501, which serve to allow the vertical guide posts 501 to pass through and guide their vertical sliding. A fixed ring 502 is fixedly sleeved on the vertical guide post 501. Two springs 503 are fixedly connected between the top of the fixed ring 502 and the bottom of the fixed box 3. The springs 503 are movably sleeved on the corresponding vertical guide post 501. An L-shaped handle 403 is located between the two vertical guide posts 501.

[0043] The set pressure block 5, vertical guide post 501, step ring 6, fixing ring 502 and spring 503 work together so that when the material scraper plate 101 cannot return to its downward position due to unexpected damping or other factors, the personnel can directly step on the step ring 6 at the bottom. The step ring 6 moves down and drives the two vertical guide posts 501 to move down. The vertical guide posts 501 drive the corresponding fixing rings 502 to pull the spring 503 downward. The two vertical guide posts 501 drive the pressure block 5 to slide down on the two vertical guide rods 301 and squeeze the slider 4 downward. Under the squeezing force, the slider 4 moves back down and drives the round sleeve 401 to squeeze the top sleeve 2 downward. Under the squeezing force, the top sleeve 2 moves down and is pulled by the steel wire rope 103 and the T-shaped pull rod 102 to force the material scraper plate 101 to rotate downward and reset. This achieves the effect of allowing personnel to assist in the forced return by simply stepping on the bottom when the material scraper plate cannot return to its downward position due to unexpected damping or other factors.

[0044] This embodiment enables the shovel plate 101 to be forcibly lifted when forced lifting is required by simply pushing the L-shaped handle 403 from the bottom. It also facilitates a quick and easy forced return operation by stepping on the bottom when the plate is stuck and cannot return to its original position, without the need for separate unlocking operations, thus improving operational convenience and efficiency. In addition, the foot ring 6 and the L-shaped handle 403 are both vertically positioned close to the side of the chain conveyor frame 1, occupying little space and without long lateral protrusions. This reduces the risk of accidental collisions due to a large protrusion on one side, thereby improving safety.

[0045] The usage method of this embodiment is as follows: When the chain conveyor's shovel plate lifting mechanism is in use, when the shovel plate 101 is lifted by the ore on the grate, it drives the T-shaped pull rod 102 to move upward. The T-shaped pull rod 102 drives the wire rope 103 and the counterweight 104 to move upward. The wire rope 103 drives the top sleeve 2 to move upward. The top sleeve 2 squeezes and drives the circular sleeve 401 to move upward. The circular sleeve 401 drives the slider 4 to slide upward on the two vertical guide rods 301, realizing that when the shovel plate 101 rotates upward, it passes through the T-shaped pull rod in sequence. The rod 102, wire rope 103, and top sleeve 2 have the effect of lifting the round sleeve 401 and slider 4 together. When forced upward rotation is required, the personnel can directly push the L-shaped handle 403 upward from the bottom to make it move the slider 4 upward. The slider 4 drives the round sleeve 401 to lift the T-shaped pull rod 102 upward, thereby driving the shovel plate 101 to rotate upward forcibly. This achieves the effect of allowing personnel to push upward through the T-shaped pull rod 102 to lift the shovel plate 101 when forced lifting is required.

[0046] When the material shovel plate 101 fails to return to its original position due to unexpected damping or other factors, personnel directly step on the foot ring 6 at the bottom. The foot ring 6 moves down, causing the two vertical guide posts 501 to move down as well. The vertical guide posts 501 cause the corresponding fixed rings 502 to pull the springs 503 downward. The two vertical guide posts 501 cause the pressure blocks 5 to slide downward on the two vertical guide rods 301, pressing the slider 4 downward. Under the pressing force, the slider 4 moves downward and causes the circular sleeve 401 to press the top sleeve 2 downward. Under the pressing force, the top sleeve 2 moves down and passes through the steel wire rope 103 and the T-shaped pull rod 1 in sequence. 02 The pulling mechanism drives the shovel plate 101 to rotate downwards and reset, enabling personnel to easily force the material back to its original position by stepping on the bottom when the counterweight fails to return to its original position due to unexpected damping or other factors. This facilitates direct, convenient, and quick forced return operations without the need for separate unlocking operations, thus improving operational convenience and efficiency. In addition, the foot ring 6 and the L-shaped handle 403 are both vertically positioned close to the side of the chain conveyor frame 1, occupying little space and avoiding long-distance lateral protrusions. This reduces the risk of accidental collisions due to a large protrusion on one side, improving safety during use.

[0047] Example 2

[0048] Reference Figure 4 This embodiment differs from Embodiment 1 in that: the top sleeve 2 is movably sleeved on the outside of the wire rope 103, the inner side of the top sleeve 2 is in contact with the outer side of the wire rope 103, the right side of the wire rope 103 is in contact with a knob-type clamping bolt 201, and the right side of the top sleeve 2 is provided with a threaded hole for threaded connection with the knob-type clamping bolt 201.

[0049] This embodiment allows personnel to flexibly adjust the initial height of the top sleeve 2 according to the lifting height, improving the flexibility of use.

[0050] The method of use in this embodiment is as follows: The difference from Embodiment 1 is that, based on Embodiment 1, it also has the following functions: In addition, the top sleeve 2 and the wire rope 103 are locked by using the knob-type clamping bolt 201, and the inner side of the top sleeve 2 is in contact with the wire rope 103. Subsequently, the locking of the top sleeve 2 can be released by rotating the knob-type clamping bolt 201 in the opposite direction. Therefore, it is convenient for personnel to flexibly adjust the initial height of the top sleeve 2 according to the lifting height, and improve the flexibility of use.

[0051] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A chain machine shovel plate lifting mechanism, comprising a chain machine frame (1), a shovel plate (101) rotatably installed on the inner side of the chain machine frame (1), and a lifting mechanism body hinged to the bottom of the shovel plate (101), characterized in that: The jacking mechanism body comprises: A T-shaped pull rod (102) is hingedly connected at its top end to the bottom of the shovel plate (101), and a steel wire rope (103) is fixedly connected at its bottom end, and the bottom end of the steel wire rope (103) is fixedly connected with a counterweight (104); A top sleeve (2) is sleeved outside the steel wire rope (103); A fixed box (3) is fixedly connected to the inner side of the chain machine rack (1); Two vertical guide rods (301) are fixedly connected between the top inner wall and the bottom inner wall of the fixed box (3); A top support assembly is slidably sleeved on the two vertical guide rods (301) and movably sleeved on the steel wire rope (103) and in contact with the top of the top sleeve (2); A step-pressing elastic support resetting assembly is slidably sleeved on the two vertical guide rods (301) and cooperates with the top support assembly.

2. A chain shovel blade lift mechanism according to claim 1 wherein: The top sleeve (2) is fixedly sleeved outside the steel wire rope (103) by welding.

3. A chain shovel blade lift mechanism as claimed in claim 1 wherein: The top sleeve (2) is movably sleeved outside the steel wire rope (103).

4. A chain shovel blade lift mechanism according to claim 3 wherein: The inner side of the top sleeve (2) is in contact with the outer side of the steel wire rope (103), and the right side of the steel wire rope (103) is in contact with a knob-type pressing bolt (201), and the right side of the top sleeve (2) is provided with a threaded hole in threaded connection with the knob-type pressing bolt (201).

5. A chain shovel blade lift mechanism as defined in claim 1 wherein: The top support assembly comprises a sliding block (4) slidably sleeved on the two vertical guide rods (301), the right side of the sliding block (4) is fixedly connected with a circular sleeve (401) movably sleeved outside the steel wire rope (103) and in contact with the top of the top sleeve (2), the bottom left side of the sliding block (4) is fixedly connected with an L-shaped handle (403), and the fixed box (3) is slidably sleeved on the L-shaped handle (403).

6. A chain shovel blade lift mechanism as defined in claim 5 wherein: The step-pressing elastic support resetting assembly comprises a pressing block (5) slidably sleeved on the two vertical guide rods (301), the pressing block (5) is located above the sliding block (4) and cooperates with the sliding block (4), the left side of the pressing block (5) is fixedly connected with two vertical guide columns (501), the bottom ends of the two vertical guide columns (501) are slidably connected to the lower side of the fixed box (3) and are fixedly connected with the same step ring (6) located on the left lower side of the chain machine rack (1), a fixed ring (502) is fixedly sleeved on the vertical guide column (501), two springs (503) are fixedly connected between the top of the fixed ring (502) and the bottom of the fixed box (3), the spring (503) is movably sleeved on the corresponding vertical guide column (501), and the L-shaped handle (403) is located between the two vertical guide columns (501).

7. A chain shovel blade lift mechanism as defined in claim 6 wherein: The bottom of the fixed box (3) is provided with two circular guide holes slidably sleeved outside the corresponding vertical guide columns (501).

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