Chain baffle of heading machine

By providing specific fixing blocks and fasteners in the opening and closing plate structure of the chain baffle of the boring machine, the operation of opening and closing plate can be opened without twisting the threaded rod, which solves the problems of inconvenience in operation and easy slipping in the prior art, and improves the convenience of use.

CN222973522UActive Publication Date: 2025-06-13CHANGZHOU HUIHUI MASCH TECH CO LTD
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Patent Information

Application Number
CN202422366542.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-06-13
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

When using the chain baffle of the boring machine, the operation of the opening and closing plate is inconvenient. Twisting multiple back and forth may easily lead to slipping between the threaded rod and the threaded hole, and the threaded rod needs to be twisted every time the switch is switched, resulting in cumbersome operation.

Method used

By providing the fourth fixing block, the first fastener, the second fastener and the fifth fixing block, when it is necessary to open the opening and closing plate, the first fastener is pressed down to make it buckle with the fifth fixing block, thereby limiting the first fastener, and pushing the L-shaped fastener from the second fixing block through the first fastener to realize the opening and opening of the opening and closing plate.

Benefits of technology

It avoids the operation of the threaded rod and threaded holes that need to be twisted every time the switch is switched, which simplifies the opening process of the opening and closing plate and improves the convenience of operation.

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    Figure CN222973522U_ABST
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Abstract

The utility model relates to the technical field of heading machines, and discloses a heading machine chain baffle which comprises a baffle body, an opening and closing plate is hinged to the interior of the baffle body, a first fixing block is fixedly arranged on one side of the opening and closing plate, two sliding blocks are arranged in the first fixing block in a sliding mode, and a fixing rod is fixedly arranged in the first fixing block. The fixing rods penetrate through the sliding blocks, the outer sides of the fixing rods are sleeved with springs, L-shaped buckle plates are fixedly arranged at the tops of the two sliding blocks, holding rods are fixedly arranged on one sides of the L-shaped buckle plates, when the opening and closing plate is opened, the first buckle piece is pressed downwards, the second buckle piece at the bottom of the first buckle piece is buckled with the fifth fixing block, and therefore the first buckle piece is limited; then an L-shaped buckle plate is pushed through a first buckle, one end of the L-shaped buckle plate is separated from a second fixing block, then an opening and closing plate is opened, and the situation that a threaded rod needs to be screwed to be matched with a threaded hole for opening and closing each time, and consequently use is inconvenient is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of roadheaders, in particular to a chain baffle of a roadheader. Background Technique

[0002] A roadheader is a machine used to excavate roadways under flat ground. There are many types of roadheaders: classified by the operation object into ordinary machines and tunnel roadheaders, and its working mode: mainly composed of a traveling mechanism, a working mechanism, a loading and transporting mechanism, and a loading and transferring mechanism. As the traveling mechanism advances forward, the cutting head in the working mechanism continuously breaks rocks and transports the crushed rocks away. It has the advantages of safety, high efficiency, and good roadway formation quality, but it has a high cost, a complex structure, and large losses. Classified by the operation mode into open roadheaders and shield roadheaders.

[0003] After retrieval, a Chinese patent with the publication number of "CN221233914U" discloses a chain baffle of a roadheader, including a baffle body, and a opening and closing mechanism is arranged in the middle of the front surface of the baffle body; the opening and closing mechanism includes a through groove and two fixing blocks, the through groove is opened in the middle of the baffle body, the front surface of the through groove is connected with an opening and closing plate through a hinge, the middle of the front surface of the opening and closing plate is connected with a fixing plate, and a compressive resistance mechanism is arranged on the front surface of the opening and closing plate; the beneficial effect of the utility model is: through the cooperation of the grip rod and the sliding seat, the L-shaped clamping rod is disengaged from the clamping groove, and through the cooperation of the threaded rod and the threaded hole, the mounting plate is disengaged from the limit, so that the opening and closing plate is disengaged from the limit, and the opening and closing plate is opened, without removing the baffle body, which is convenient for the staff to directly clean and overhaul the chain baffle. However, there are the following deficiencies in use

[0004] When opening the opening and closing plate, it is always through the cooperation of the grip rod and the sliding seat to disengage the L-shaped clamping rod from the clamping groove, and then through the cooperation of the threaded rod and the threaded hole to disengage the mounting plate from the limit, so as to disengage the opening and closing plate from the limit and open the opening and closing plate. After repeated use and screwing back and forth, it is easy to cause the thread between the threaded rod and the threaded hole to slip, and at the same time, the threaded rod needs to be screwed every time it is opened and closed, resulting in inconvenient opening and closing operations. Therefore, a chain baffle of a roadheader is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a chain baffle of a roadheader to solve the problem that when opening the opening and closing plate, it is always through the cooperation of the grip rod and the sliding seat to disengage the L-shaped clamping rod from the clamping groove, and then through the cooperation of the threaded rod and the threaded hole to disengage the mounting plate from the limit, so as to disengage the opening and closing plate from the limit and open the opening and closing plate. After repeated use and screwing back and forth, it is easy to cause the thread between the threaded rod and the threaded hole to slip, and at the same time, the threaded rod needs to be screwed every time it is opened and closed, resulting in inconvenient opening and closing operations as mentioned in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A chain baffle for a roadheader, comprising a baffle body, wherein an opening and closing plate is hingedly connected inside the baffle body, a first fixing block is fixedly arranged on one side of the opening and closing plate, two sliders are slidably arranged inside the first fixing block, a fixing rod is fixedly arranged inside the first fixing block, the fixing rod penetrates through the sliders, a spring is sleeved outside the fixing rod, L-shaped clamping plates are fixedly arranged on the tops of the two sliders, a grip rod is fixedly arranged on one side of the L-shaped clamping plate, two second fixing blocks are fixedly arranged on one side of the baffle body, one end of the L-shaped clamping plate is inserted into the inside of the second fixing block, a compressive structure is arranged on one side of the opening and closing plate, two fourth fixing blocks are fixedly arranged on one side of the opening and closing plate, two first fasteners are fixedly arranged on one side of the baffle body and the first fasteners are buckled inside the fourth fixing blocks, a second fastener is fixedly arranged at the bottom of the first fastener, and two fifth fixing blocks are fixedly arranged on one side of the baffle body and the fifth fixing blocks are located below the second fastener.

[0007] Preferably, the compressive structure includes a third fixing block, the third fixing block is fixedly installed on one side of the opening and closing plate, connecting seats are arranged on both the upper and lower sides of the third fixing block, two pin rods penetrate through the inside of the third fixing block and the pin rods penetrate through the connecting seats, a rotating shaft is rotatably arranged between the two connecting seats, two shock absorbers are fixedly arranged on the outside of the rotating shaft, one end of each of the two shock absorbers is hingedly connected with a connecting head, telescopic rods are arranged at the four corners on one side of the opening and closing plate, and a compressive plate is arranged between the ends of the plurality of telescopic rods.

[0008] Preferably, buckling grooves are respectively formed inside the fourth fixing block and the fifth fixing block, and the first fastener and the second fastener are respectively buckled inside the buckling grooves of the fourth fixing block and the fifth fixing block.

[0009] Preferably, a sliding groove is formed inside the first fixing block, and the slider is slidably installed inside the sliding groove.

[0010] Preferably, pin holes are respectively formed inside the third fixing block and the connecting seat, and the pin rod penetrates through the pin holes.

[0011] Preferably, a plugging groove is formed inside the second fixing block, and one end of the L-shaped clamping plate is inserted into the inside of the plugging groove.

[0012] Compared with the prior art, the present utility model adopts the above technical solutions and has the following technical effects:

[0013] The utility model is provided with a fourth fixing block, a first fastener, a second fastener and a fifth fixing block. When it is necessary to open the opening and closing plate to clean the crawler, press down the first fastener, buckle the second fastener at the bottom of the first fastener with the fifth fixing block, so as to limit the first fastener. Then separate one end of the L-shaped buckle plate from the second fixing block, and then open the opening and closing plate to clean the crawler, avoiding the inconvenience of using caused by the need to screw the threaded rod and the threaded hole to cooperate for opening and closing every time. Brief Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic side view structure diagram of the utility model;

[0016] Figure 2 It is an exploded structure diagram of the utility model;

[0017] Figure 3 It is a schematic connection structure diagram of the fixing rod and the L-shaped buckle plate of the utility model;

[0018] Figure 4 It is a schematic connection structure diagram of the fourth fixing block and the first fastener of the utility model.

[0019] Explanation of the reference numerals in the drawings: 1, baffle body; 2, opening and closing plate; 3, first fixing block; 4, slider; 5, fixing rod; 6, spring; 7, L-shaped buckle plate; 8, grip rod; 9, second fixing block; 10, third fixing block; 11, connecting seat; 12, pin rod; 13, rotating shaft; 14, shock absorber; 15, connecting head; 16, pressure-resistant plate; 17, fourth fixing block; 18, first fastener; 19, second fastener; 20, fifth fixing block; 21, telescopic rod. Detailed Embodiments

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than 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 efforts belong to the scope of protection of the present utility model.

[0021] It should be noted that the structures, proportions, sizes, etc. shown in the attached drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the implementation conditions of this application. Therefore, they do not have any substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the efficacy that this application can produce and the purpose that can be achieved, should still fall within the scope covered by the technical content disclosed in this application.

[0022] Embodiment

[0023] In the prior art, when opening the opening and closing plate, it is through the cooperation of the grip rod and the sliding seat to disengage the L-shaped clamping rod from the clamping groove, and then through the cooperation of the threaded rod and the threaded hole to disengage the mounting plate from the limit, so as to disengage the opening and closing plate from the limit and open the opening and closing plate. However, repeated back-and-forth screwing is likely to cause the threads between the threaded rod and the threaded hole to slip, and at the same time, each time of opening and closing requires screwing the threaded rod and the threaded hole to cooperate, resulting in inconvenient operation of opening and closing.

[0024] Please refer to Figures 1-4 , the present utility model provides a technical solution: a chain baffle of a roadheader, including a baffle body 1, an opening and closing plate 2 is hingedly connected inside the baffle body 1, a first fixing block 3 is fixedly arranged on one side of the opening and closing plate 2, two sliders 4 are slidably arranged inside the first fixing block 3, a fixing rod 5 is fixedly arranged inside the first fixing block 3, the fixing rod 5 passes through the slider 4, a spring 6 is sleeved on the outer side of the fixing rod 5, L-shaped clamping plates 7 are fixedly arranged on the tops of the two sliders 4, a grip rod 8 is fixedly arranged on one side of the L-shaped clamping plate 7, two second fixing blocks 9 are fixedly arranged on one side of the baffle body 1, one end of the L-shaped clamping plate 7 is inserted into the inside of the second fixing block 9, a compressive structure is arranged on one side of the opening and closing plate 2, two fourth fixing blocks 17 are fixedly arranged on one side of the opening and closing plate 2, two first fasteners 18 are fixedly arranged on one side of the baffle body 1 and the first fasteners 18 are buckled inside the fourth fixing blocks 17, a second fastener 19 is fixedly arranged at the bottom of the first fastener 18, two fifth fixing blocks 20 are fixedly arranged on one side of the baffle body 1 and the fifth fixing blocks 20 are located below the second fastener 19. When opening the opening and closing plate 2, press down the first fastener 18 to buckle the second fastener 19 at the bottom of the first fastener 18 with the fifth fixing block 20, so as to limit the first fastener 18, and then push the L-shaped clamping plate 7 through the first fastener 18 to separate one end of the L-shaped clamping plate 7 from the second fixing block 9, and then open the opening and closing plate 2, avoiding the inconvenience of use caused by screwing the threaded rod and the threaded hole to cooperate for opening and closing each time.

[0025] The compression-resistant structure includes a third fixing block 10, which is fixedly installed on one side of the opening and closing plate 2. Connecting seats 11 are arranged on both the upper and lower sides of the third fixing block 10. Two pin rods 12 penetrate through the inside of the third fixing block 10 and the pin rods 12 penetrate through the connecting seats 11. A rotating shaft 13 is rotatably arranged between the two connecting seats 11. Two shock absorbers 14 are fixedly arranged on the outer side of the rotating shaft 13. One end of each of the two shock absorbers 14 is hinged with a connecting head 15. Four corners on one side of the opening and closing plate 2 are provided with telescopic rods 21. A compression-resistant plate 16 is arranged between the ends of the multiple telescopic rods 21. When in use, the compression-resistant plate 16 is connected to one side of the opening and closing plate 2 through the telescopic rods 21 to prevent the compression-resistant plate 16 from being deformed due to extrusion. At the same time, two connecting seats 11 are connected to one side of the opening and closing plate 2 through the third fixing block 10. The shock absorbers 14 are connected to the rotating shaft 13 between the two connecting seats 11 to improve the compression resistance through the shock absorbers 14.

[0026] Buckling grooves are respectively formed inside the fourth fixing block 17 and the fifth fixing block 20. The first fastener 18 and the second fastener 19 are respectively buckled inside the buckling grooves of the fourth fixing block 17 and the fifth fixing block 20. The opening and closing plate 2 is limited by buckling the first fastener 18 with the fourth fixing block 17.

[0027] A sliding groove is formed inside the first fixing block 3. The sliding block 4 is slidably installed inside the sliding groove. The L-shaped buckling plate 7 is slidably installed on the top of the first fixing block 3 through the sliding block 4.

[0028] Pin holes are respectively formed inside the third fixing block 10 and the connecting seat 11. The pin rod 12 penetrates through the pin holes. The connecting seat 11 is limited by the pin rod 12, which is convenient for disassembly and assembly.

[0029] A plugging groove is formed inside the second fixing block 9. One end of the L-shaped buckling plate 7 is inserted into the plugging groove. The opening and closing plate 2 is limited and fixed by buckling the L-shaped buckling plate 7 with the second fixing block 9.

[0030] Regarding the working principle or structural principle, when in use, the compression-resistant plate 16 is connected to one side of the opening and closing plate 2 through the telescopic rods 21 to prevent the compression-resistant plate 16 from being deformed due to extrusion. At the same time, two connecting seats 11 are connected to one side of the opening and closing plate 2 through the third fixing block 10. The shock absorbers 14 are connected to the rotating shaft 13 between the two connecting seats 11 to improve the compression resistance through the shock absorbers 14. When it is necessary to open the opening and closing plate 2 to clean the crawler, press down the first fastener 18, buckle the second fastener 19 at the bottom of the first fastener 18 with the fifth fixing block 20 to limit the first fastener 18. Then, push the L-shaped buckling plate 7 through the first fastener 18 to separate one end of the L-shaped buckling plate 7 from the second fixing block 9. Then, open the opening and closing plate 2 to clean the crawler, avoiding the inconvenience caused by the need to screw the threaded rod and the threaded hole to cooperate for opening and closing every time.

[0031] Those skilled in the art can understand that the features recited in the various embodiments and / or claims of the present utility model can be combined or / and combined in various ways, even if such combinations or combinations are not explicitly recited in the present utility model. In particular, without departing from the spirit and teachings of the present utility model, the features recited in the various embodiments and / or claims of the present utility model can be combined and / or combined in various ways. All such combinations and / or combinations fall within the scope of the present utility model.

Claims

1. A roadheader chain baffle, comprising a baffle body (1), characterized in that: The baffle body (1) is hingedly connected to an opening and closing plate (2) inside, a first fixed block (3) is fixedly arranged on one side of the opening and closing plate (2), two sliding blocks (4) are slidably arranged inside the first fixed block (3), a fixed rod (5) is fixedly arranged inside the first fixed block (3), the fixed rod (5) passes through the sliding block (4), a spring (6) is sleeved on the outer side of the fixed rod (5), an L-shaped gusset plate (7) is fixedly arranged on the top of the two sliding blocks (4), a gripping rod (8) is fixedly arranged on one side of the L-shaped gusset plate (7), and two second fixed rods (5) are fixedly arranged on one side of the baffle body (1). Block (9), one end of the L-shaped buckle plate (7) is inserted into the interior of the second fixed block (9), one side of the opening and closing plate (2) is provided with a pressure-resistant structure, one side of the opening and closing plate (2) is fixedly provided with two fourth fixed blocks (17), one side of the baffle body (1) is fixedly provided with two first fasteners (18), and the first fasteners (18) are fastened in the interior of the fourth fixed block (17), the bottom of the first fastener (18) is fixedly provided with a second fastener (19), and one side of the baffle body (1) is fixedly provided with two fifth fixed blocks (20), and the fifth fixed block (20) is located below the second fastener (19).

2. A roadheader chain baffle according to claim 1, characterized in that: The pressure-resistant structure comprises a third fixed block (10), wherein the third fixed block (10) is fixedly mounted on one side of the opening and closing plate (2), and connecting seats (11) are arranged on both upper and lower sides of the third fixed block (10), and two pins (12) are passed through the interior of the third fixed block (10), and the pins (12) pass through the connecting seat (11), and a rotating shaft (13) is rotatably arranged between the two connecting seats (11), and two shock absorbers (14) are fixedly arranged on the outer side of the rotating shaft (13), and one end of each of the two shock absorbers (14) is hingedly connected to a connecting head (15), and telescopic rods (21) are arranged at four corners of one side of the opening and closing plate (2), and a pressure-resistant plate (16) is arranged between one ends of the plurality of telescopic rods (21).

3. A roadheader chain baffle according to claim 1, characterized in that: The fourth fixing block (17) and the fifth fixing block (20) are respectively provided with buckle grooves, and the first buckle (18) and the second buckle (19) are respectively buckled in the buckle grooves of the fourth fixing block (17) and the fifth fixing block (20).

4. A roadheader chain baffle according to claim 1, characterized in that: A sliding groove is provided inside the first fixed block (3), and the sliding block (4) is slidably installed inside the sliding groove.

5. The chain baffle of a roadheader according to claim 2, characterized in that: The third fixing block (10) and the connecting seat (11) are both provided with pin holes inside, and the pin rod (12) passes through the pin holes.

6. A roadheader chain baffle according to claim 1, characterized in that: The second fixing block (9) is provided with an inserting slot inside, and one end of the L-shaped buckle plate (7) is inserted into the inserting slot.

Citation Information

Patent Citations

  • Chain baffle of heading machine

    CN221233914U