Sealing scraper conveyor

Abstract

The utility model provides a sealed scraper machine which comprises a sealed shell, the two ends of the shell are respectively a head part and a tail part, a driving chain wheel mechanism is arranged in the head part, a driven chain wheel mechanism is arranged in the tail part, and first through holes which are enough for the driving chain wheel mechanism to penetrate through are formed in the two sides of the head part. The two first through holes are coaxially formed and detachably connected with first sealing covers, the two first sealing covers are detachably connected with the driving chain wheel mechanism and are in running fit with the driving chain wheel mechanism, second through holes which are enough for the driven chain wheel mechanism to penetrate through are formed in the two sides of the tail portion, and the two second through holes are coaxially formed and detachably connected with second sealing covers. The two second sealing covers are provided with tensioning adjusting mechanisms, and the tensioning adjusting mechanisms are in running fit with the driven chain wheel mechanisms. According to the utility model, the convenience of installation and maintenance of the sealing scraper is improved, and the tensioning effect is convenient to adjust.

Description

Technical Field

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

[0002] The sealed scraper conveyor mainly includes a closed housing, a sprocket mechanism, sprockets, and scrapers arranged inside the housing. In order to facilitate the installation and maintenance of the sealed scraper conveyor, detachable seals are generally provided at both ends of the housing. When installing the sprocket mechanism, the sprockets need to be hoisted into the housing from both ends first, and then the sprocket shafts are installed through the shaft holes on both sides of the housing. It is necessary to try many times to make the sprocket shafts cooperate with the sprockets to complete the installation. This structure and installation method make the installation and maintenance work of the sealed scraper conveyor cumbersome and time-consuming. Content of the Utility Model

[0003] Aiming at the deficiencies in the prior art, the utility model provides a sealed scraper conveyor, which solves the problem of cumbersome installation and maintenance of sprockets in the sealed housing.

[0004] According to an embodiment of the utility model, a sealed scraper conveyor includes a sealed housing. The two ends of the housing are respectively a head and a tail. The head is internally provided with a driving sprocket mechanism, and the tail is internally provided with a driven sprocket mechanism. The two sides of the head are provided with first through holes large enough for the driving sprocket mechanism to pass through. The two first through holes are coaxially arranged and are both detachably connected with first covers. The two first covers are detachably connected with and rotatably matched with the driving sprocket mechanism. The two sides of the tail are provided with second through holes large enough for the driven sprocket mechanism to pass through. The two second through holes are coaxially arranged and are both detachably connected with second covers. Tension adjusting mechanisms are arranged on the two second covers, and the tension adjusting mechanisms are rotatably matched with the driven sprocket mechanism.

[0005] Preferably, the driving sprocket mechanism includes a driving shaft, a driving sprocket coaxially connected with the driving shaft, and a first bearing seat. There are two first bearing seats located on the outer sides of the two sides of the head, and the two first bearing seats are respectively detachably connected with the two first covers.

[0006] Further preferably, two second bearing seats are also coaxially connected to the driving shaft. Two supports are fixedly connected to the housing, and the two second bearing seats are respectively detachably connected with the two supports.

[0007] Further preferably, an adjustment hole is provided on the second cover. The tension adjustment mechanism includes a sliding seat slidably engaged with the adjustment hole and an adjustment assembly for driving the sliding seat. The driven sprocket mechanism includes a driven shaft and a driven sprocket coaxially connected to the driven shaft. Both ends of the driven shaft are rotatably connected to the two sliding seats respectively. A sealing cover surrounding the sliding seat is detachably connected to the second cover, and the adjustment assembly is provided on the sealing cover.

[0008] Further preferably, the sliding seat includes a third bearing seat rotatably connected to the driven shaft and located outside the second cover, and a positioning ring detachably connected to the third bearing seat. A sliding block slidably engaged with the adjustment hole is provided on one side of the third bearing seat, and the positioning ring is located inside the second cover and detachably connected to the sliding block.

[0009] Further preferably, limiting sliding rails are provided on both sides of the second cover, and the third bearing seat and the positioning ring are respectively slidably engaged with the limiting sliding rails on both sides.

[0010] Even further preferably, the adjustment assembly includes a threaded sleeve fixedly provided on the outside of the sealing cover, a screw rod threadedly engaged with the threaded sleeve, and a guide rod coaxially connected to the screw rod and passing through the sealing cover. The guide rod is rotatably connected to the sliding seat.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] A first through hole and a second through hole are provided at the head and tail of the housing, which are sufficient to allow the driving sprocket mechanism and the driven sprocket mechanism to pass through horizontally. The first through hole and the second through hole are both detachably connected with a first cover and a second cover respectively. The second cover and the second cover are detachably connected with the driving sprocket mechanism and the driven sprocket mechanism respectively and are rotationally engaged. The overall structure not only achieves a sealing effect but also facilitates installation and disassembly.

[0013] A tension adjustment mechanism cooperating with the driven sprocket mechanism is further provided on the second cover, which can conveniently and quickly adjust the distance between the driving sprocket mechanism and the driven sprocket mechanism to achieve the effect of tensioning the chain. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram of the head of a sealed scraper conveyor of the present utility model.

[0015] Figure 2 It is a schematic structural diagram of the tail of a sealed scraper conveyor of the present utility model.

[0016] Figure 3 For the present utility model Figure 2 The enlarged structural diagram of the partial A.

[0017] In the above-mentioned drawings: 1. Housing; 101. Support; 2. Head; 201. First through-hole; 202. First cover; 210. Driving sprocket mechanism; 211. Driving shaft; 212. Driving sprocket; 213. First bearing seat; 214. Second bearing seat; 3. Tail; 301. Second through-hole; 302. Second cover; 303. Adjusting hole; 304. Limit slide rail; 310. Driven sprocket mechanism; 311. Driven shaft; 312. Driven sprocket; 4. Tension adjusting mechanism; 410. Slide base; 411. Third bearing seat; 412. Positioning ring; 413. Slide block; 420. Adjusting component; 421. Threaded sleeve; 422. Screw; 423. Guide rod; 5. Sealing cover. Detailed implementation manners

[0018] The technical solutions in the present utility model will be further described below in conjunction with the drawings and embodiments.

[0019] The present utility model provides an embodiment, as Figure 1 、 Figure 2 shown, a sealed scraper conveyor, including a sealed housing 1, the two ends of the housing 1 are respectively a head 2 and a tail 3, a driving sprocket mechanism 210 is arranged in the head 2, a driven sprocket mechanism 310 is arranged in the tail 3, a chain is connected between the driving sprocket mechanism 210 and the driven sprocket mechanism 310, a scraper is arranged on the chain, first through-holes 201 large enough for the driving sprocket mechanism 210 to pass through are arranged on both sides of the head 2, the two first through-holes 201 are coaxially arranged and are both detachably connected with first covers 202, the two first covers 202 are detachably connected with the driving sprocket mechanism 210 and are in rotational fit, second through-holes 301 large enough for the driven sprocket mechanism 310 to pass through are arranged on both sides of the tail 3, the two second through-holes 301 are coaxially arranged and are both detachably connected with second covers 302, a tension adjusting mechanism 4 is arranged on the two second covers 302, and the tension adjusting mechanism 4 is in rotational fit with the driven sprocket mechanism 310;

[0020] When installing, repairing the components of the driving sprocket mechanism 210 or the driven sprocket mechanism 310, the driving sprocket mechanism 210 and the driven sprocket mechanism 310 as a whole can be taken out from both sides and inserted by disassembling the first covers 202 and the second covers 302 on both sides, improving the convenience of installation and repair work.

[0021] To facilitate the disassembly of the first cover 202 and the driving sprocket mechanism 210, specifically, the driving sprocket mechanism 210 includes a driving shaft 211, a driving sprocket 212 coaxially connected to the driving shaft 211, and a first bearing seat 213. There are two first bearing seats 213 and they are located on both outer sides of the head 2. The two first bearing seats 213 are detachably connected to the two first covers 202 respectively. Both ends of the driving shaft 211 penetrate through the two first covers 202 and are rotatably connected to the first covers 202 through the first bearing seats 213;

[0022] To improve the stability of the driving sprocket mechanism 210, in a further embodiment, two second bearing seats 214 are also coaxially connected to the driving shaft 211. Two supports 101 are fixedly connected to the housing 1. The two second bearing seats 214 are detachably connected to the two supports 101 respectively.

[0023] As Figure 2 、 Figure 3 shown, an adjustment hole 303 is provided on the second cover 302. The tension adjustment mechanism 4 includes a slide seat 410 slidably matched with the adjustment hole 303 and an adjustment component 420 for driving the slide seat 410. The driven sprocket mechanism 310 includes a driven shaft 311 and a driven sprocket 312 coaxially connected to the driven shaft 311. Both ends of the driven shaft 311 are rotatably connected to the two slide seats 410 respectively. A sealing cover 5 surrounding the slide seat 410 is detachably connected to the second cover 302. The sealing cover 5 includes a cylinder fixedly connected to the second cover 302 and a cover body detachably connected to the opening on the side of the cylinder away from the second cover 302. The adjustment component 420 is provided on the sealing cover 5 and the adjustment component 420 is located on the side surface of the cylinder;

[0024] By driving the slide seat 410 to move through the adjustment component 420, the driven shaft 311 can be driven to move closer to or away from the driving sprocket mechanism 210, thereby changing the distance between the driving sprocket 212 and the driven sprocket 312;

[0025] As Figure 3As shown, in order to improve the stability of the movement of the slide block 410, in a further embodiment, the slide block 410 includes a third bearing seat 411 rotatably connected to the driven shaft 311 and located outside the second cover 302, and a positioning ring 412 detachably connected to the third bearing seat 411. The third bearing seat 411 and the positioning ring 412 are connected by bolts and sandwich the second cover 302 in the middle, restricting the slide block 410 to slide only along the surface of the second cover 302. One side of the third bearing seat 411 is provided with a slider 413 slidably matched with the adjustment hole 303. The slider 413 is annular, and the driven shaft 311 passes through the slider 413. The slider 413 is in clearance fit with the adjustment hole 303 and the fit clearance is zero. The thickness of the slider 413 is not greater than that of the second cover 302. The positioning ring 412 is located inside the second cover 302 and is detachably connected to the slider 413, so that the positioning ring 412 and the third bearing seat 411 can clamp the second cover 302.

[0026] In order to improve the accuracy of the movement path of the slide block 410, limiting slide rails 304 are provided on both sides of the second cover 302, and the third bearing seat 411 and the positioning ring 412 are respectively slidably matched with the limiting slide rails 304 on both sides.

[0027] Specifically, the adjusting assembly 420 includes a threaded sleeve 421 fixedly arranged outside the sealing cover 5, a screw rod 422 threadedly matched with the threaded sleeve 421, and a guide rod 423 coaxially connected to the screw rod 422 and passing through the sealing cover 5. The guide rod 423 is rotatably connected to the slide block 410.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A sealed scraper conveyor, comprising a sealed housing (1), with the two ends of the housing (1) being a head (2) and a tail (3) respectively. An active sprocket mechanism (210) is provided inside the head (2), and a driven sprocket mechanism (310) is provided inside the tail (3). It is characterized in that on both sides of the head (2), there are first through holes (201) large enough for the active sprocket mechanism (210) to pass through. The two first through holes (201) are coaxially arranged and are each detachably connected with a first cover (202). The two first covers (202) are detachably connected with and rotationally matched with the active sprocket mechanism (210). On both sides of the tail (3), there are second through holes (301) large enough for the driven sprocket mechanism (310) to pass through. The two second through holes (301) are coaxially arranged and are each detachably connected with a second cover (302). A tensioning adjustment mechanism (4) is provided on the two second covers (302), and the tensioning adjustment mechanism (4) is rotationally matched with the driven sprocket mechanism (310).

2. A sealed scraper conveyor according to claim 1, It is characterized in that the active sprocket mechanism (210) includes an active shaft (211), an active sprocket (212) coaxially connected to the active shaft (211), and a first bearing seat (213). There are two first bearing seats (213) and they are located on the outer sides of both sides of the head (2). The two first bearing seats (213) are respectively detachably connected with the two first covers (202).

3. A sealed scraper conveyor according to claim 2, It is characterized in that two second bearing seats (214) are also coaxially connected to the active shaft (211). Two supports (101) are fixedly connected to the housing (1). The two second bearing seats (214) are respectively detachably connected with the two supports (101).

4. A sealed scraper conveyor according to claim 1, It is characterized in that an adjustment hole (303) is provided on the second cover (302). The tensioning adjustment mechanism (4) includes a sliding seat (410) slidably matched with the adjustment hole (303) and an adjustment assembly (420) for driving the sliding seat (410). The driven sprocket mechanism (310) includes a driven shaft (311) and a driven sprocket (312) coaxially connected to the driven shaft (311). The two ends of the driven shaft (311) are respectively rotationally connected with the two sliding seats (410). A sealing cover (5) surrounding the sliding seat (410) is detachably connected to the second cover (302), and the adjustment assembly (420) is provided on the sealing cover (5).

5. A sealed scraper conveyor according to claim 4, It is characterized in that The sliding seat (410) includes a third bearing seat (411) rotatably connected to the driven shaft (311) and located outside the second cover (302), and a positioning ring (412) detachably connected to the third bearing seat (411). A slider (413) slidably engaged with the adjustment hole (303) is provided on one side of the third bearing seat (411). The positioning ring (412) is located inside the second cover (302) and is detachably connected to the slider (413).

6. A sealed scraper conveyor according to claim 5, characterized in that, limiting slide rails (304) are provided on both sides of the second cover (302), and the third bearing seat (411) and the positioning ring (412) are respectively slidably engaged with the limiting slide rails (304) on both sides.

7. A sealed scraper conveyor according to claim 4, characterized in that, the adjusting assembly (420) includes a threaded sleeve (421) fixedly arranged outside the sealing cover (5), a screw rod (422) threadedly engaged with the threaded sleeve (421), and a guide rod (423) coaxially connected to the screw rod (422) and passing through the sealing cover (5). The guide rod (423) is rotatably connected to the sliding seat (410).

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