Chain limiting device of scraper conveyor

Abstract

The utility model relates to the technical field of pipes, and discloses a scraper conveyor chain limiting device which comprises a supporting cross frame, a chain limiting device and a chain limiting device. The limiting sliding block is connected to the upper portion of the supporting transverse frame in a sliding mode, and a limiting transverse shaft extending towards the chain is fixedly arranged at the front end of the limiting sliding block; the limiting side plate is fixedly arranged at the end, away from the limiting sliding block, of the limiting transverse shaft, a lower inserting hole is longitudinally formed in the surface of the limiting side plate, a downward-pressing blocking piece is attached to the top of the limiting side plate, a penetrating hole matched with the lower inserting hole is formed in the surface of the downward-pressing blocking piece, and a downward-inserting screw rod penetrates through the penetrating hole and the lower inserting hole. According to the device, the transverse position of the chain can be limited through the limiting side plates, meanwhile, a downward-pressing blocking piece can be inserted into the surface of the limiting transverse shaft, the chain can be pressed downwards through the downward-pressing blocking piece, the bumpy chain is limited transversely and longitudinally before meshing, and therefore the chain and the fluted disc are staggered more stably, and the service life of the chain is prolonged. And the continuous operation stability of the scraper conveyor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of scraper conveyors, in particular to a chain limiting device for a scraper conveyor. Background Art

[0002] A scraper conveyor is a conveyor that uses a scraper chain to tow and transport bulk materials in a trough. An adjacent middle trough of a scraper conveyor that can be bent to a limited extent in the horizontal and vertical planes is called a flexible scraper conveyor. Among them, a face conveyor with a 90-degree bend at the intersection of the working face and the transport roadway is called a corner scraper conveyor. The main structures and components of various types of scraper conveyors are basically the same, and it consists of three parts: a head, a middle part, and a tail.

[0003] For the chain drive of a scraper conveyor, when the chain and the sprocket are engaged alternately, the alternation may deviate due to shaking, resulting in the inability to continue driving. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a chain limiting device for a scraper conveyor, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solutions:

[0006] Including: a support cross-frame;

[0007] Also including:

[0008] A limit slider is slidably connected above the support cross-frame, and a limit cross-axis extending towards the chain is fixedly arranged at the front end of the limit slider;

[0009] A limit side plate is fixedly arranged at one end of the limit cross-axis away from the limit slider. A lower insertion hole is longitudinally opened on the surface of the limit side plate, and a lower pressing piece is attached to the top of the limit side plate. A through hole adapted to the lower insertion hole is opened on the surface of the lower pressing piece, and a lower insertion screw is inserted through the through hole and the lower insertion hole, and the other end of the lower insertion screw extends downward through the lower insertion hole.

[0010] Further, a cross-frame support groove is opened at the top of the support cross-frame, and edge parts that turn downward are arranged at both ends of the limit slider.

[0011] Further, a limit slide bar is longitudinally slidably connected to one side of the support cross-frame, and an adjusting screw is longitudinally screwed to the other side of the support cross-frame.

[0012] Further, both ends of the lower pressing top plate are respectively connected to the top of the adjusting screw and the top of the limit slide bar through support rods.

[0013] Further, an insertion block is fixedly arranged at the bottom of the lower pressing top plate, and a jack adapted to the insertion block is opened at the top of the limit slider.

[0014] Furthermore, a mounting plate is fixedly provided at the bottom of the supporting cross frame.

[0015] Furthermore, on the top of the limiting side plate and on one side of the lower jack, a plurality of groups of top jacks arranged at intervals are provided, and a limiting cross baffle is inserted at the top of the top jack.

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

[0017] In the present application, a limiting side plate with a freely adjustable horizontal position is provided in front of the intersection of the chain and the sprocket. The horizontal position of the chain can be limited by the limiting side plate. At the same time, a pressing flap can be inserted on the surface of the limiting horizontal shaft. The chain can be pressed down by the pressing flap, so that the chain under jolts is limited horizontally and vertically before the engaging action, thereby making the intersection of the chain and the sprocket more stable and improving the continuous operation stability of the scraper conveyor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the utility model;

[0019] Figure 2 is a side view of the utility model;

[0020] Figure 3 is an enlarged view of the pressing flap of the utility model.

[0021] In the figure: 1, supporting cross frame; 2, limiting slider; 3, limiting horizontal shaft; 4, limiting side plate; 5, pressing top plate; 6, cross frame support groove; 7, limiting slide bar; 8, adjusting screw; 10, mounting plate; 11, top jack; 12, limiting cross baffle; 13, lower jack; 14, pressing flap; 15, lower inserting screw. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1 - 3, including: a supporting cross frame 1, a mounting plate 10 is fixedly provided at the bottom of the supporting cross frame 1, and the mounting plate 10 can be connected to the external bracket to complete the assembly of the supporting cross frame 1; it also includes: a limiting slider 2 is slidably connected to the top of the supporting cross frame 1, and the front end of the limiting slider 2 is fixedly provided with a limiting horizontal axis 3 extending toward the chain; a cross frame bracket 6 is opened at the top of the supporting cross frame 1, so that the limiting slider 2 is attached to the upper part of the cross frame bracket 6, and downward-turned edges are set at both ends of the cross frame bracket 6, so that the limiting slider 2 can be buckled on the cross frame bracket 6, and each group of limiting sliders 2 is correspondingly connected to a group of limiting horizontal axis 3, and a limiting side plate 4 is fastened at the front end of the limiting horizontal axis 3. The limiting side plate 4 adopts a rectangular structure as a whole. The limiting side plate 4 can be installed on one side of the chain or between two groups of chains. The limiting side plate 4 can be used to limit the chain and the front of the toothed disc to be interlaced. In order to limit the position of the limit slider 2, one side of the support cross frame 1 is longitudinally slidably connected to the limit slider 7, and the other side of the support cross frame 1 is longitudinally spirally connected to the adjusting screw 8. The two ends of the lower pressing top plate 5 are respectively connected to the top of the adjusting screw 8 and the top of the limit slider 7 through the support rod. The adjusting screw 8 extends downward through the support cross frame 1 to set a rotating handle. The rotating handle drives the adjusting screw 8 to rotate, so that the adjusting screw 8 can drive the lower pressing top plate 5 to move downward. The bottom of the lower pressing top plate 5 is fixed with an insert block, and the top of the limit slider 2 is provided with a plug hole adapted to the insert block. By moving the lower pressing top plate 5 downward, the lower pressing top plate 5 can be stuck on the top of the limit slider 2 to limit the limit slider 2, so that the limit side plate 4 can be limited.

[0024] A lower plug hole 13 is longitudinally provided on the surface of the limiting side plate 4, a lower pressure baffle 14 is attached to the top of the limiting side plate 4, a through hole matching the lower plug hole 13 is provided on the surface of the lower pressure baffle 14, a lower insertion screw 15 is inserted in the through hole and the lower plug hole 13, the other end of the lower insertion screw 15 extends downward through the lower plug hole 13, the lower pressure baffle 14 is attached to the top of the limiting side plate 4, and the through hole in the center of the lower pressure baffle 14 is aligned with the lower plug hole 13. Then the threaded portion of the lower insertion screw 15 passes through the lower plug hole 13 and the through hole and passes downward from the limiting side plate 4, and the lower pressure baffle 14 can be fixed by the nut and the threaded portion of the lower insertion screw 15, and the upper part of the chain can be limited by the inclined surface at the lower part of the lower pressure baffle 14.

[0025] A plurality of groups of transversely arranged top plug holes 11 are provided on the top of the limiting side plate 4, and a limiting transverse baffle 12 can be inserted into each group of top plug holes 11, wherein the front end of the limiting transverse baffle 12 can approach the side of the chain to constrain the chain laterally, thereby further improving the stability of the combination of the chain and the sprocket.

[0026] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A chain limit device for a scraper conveyor, comprising: Support cross frame (1); It is characterized in that it further includes: A limit slider (2), slidably connected above the support cross frame (1), and a limit transverse axis (3) extending towards the chain is fixedly provided at the front end of the limit slider (2); A limit side plate (4), fixedly provided at one end of the limit transverse axis (3) away from the limit slider (2), a lower insertion hole (13) is longitudinally opened on the surface of the limit side plate (4), and a pressing lower flap (14) is attached to the top of the limit side plate (4). A through hole adapted to the lower insertion hole (13) is opened on the surface of the pressing lower flap (14), and a lower insertion screw (15) is inserted through the through hole and the lower insertion hole (13). The other end of the lower insertion screw (15) extends downward through the lower insertion hole (13).

2. The chain limit device of a scraper conveyor according to claim 1, characterized in that, A cross frame support groove (6) is opened at the top of the support cross frame (1), and edge portions that turn downward are provided at both ends of the limit slider (2).

3. The chain limiting device for a scraper conveyor according to claim 1, characterized in that, A limit slide rod (7) is longitudinally slidably connected to one side of the support cross frame (1), and an adjustment screw rod (8) is longitudinally screwed to the other side of the support cross frame (1).

4. A chain limiting device for a scraper conveyor according to claim 1, characterized in that, Both ends of the pressing top plate (5) are respectively connected to the top of the adjustment screw rod (8) and the top of the limit slide rod (7) through support rods.

5. The chain limit device of a scraper conveyor according to claim 1, characterized in that An insertion block is fixedly provided at the bottom of the pressing top plate (5), and a jack adapted to the insertion block is opened at the top of the limit slider (2).

6. A chain limit device for a scraper conveyor according to claim 1, characterized in that, An installation plate (10) is fixedly provided at the bottom of the support cross frame (1).

7. The chain limit device for a scraper conveyor according to claim 1, characterized in that, A plurality of groups of top insertion holes (11) arranged at intervals are opened at the top of the limit side plate (4) and on one side of the lower insertion hole (13), and a limit transverse baffle (12) is inserted into the top of the top insertion hole (11).

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