CN214454364U - Tensioning device of scraper conveyor - Google Patents
Tensioning device of scraper conveyor Download PDFInfo
- Publication number
- CN214454364U CN214454364U CN202120111347.9U CN202120111347U CN214454364U CN 214454364 U CN214454364 U CN 214454364U CN 202120111347 U CN202120111347 U CN 202120111347U CN 214454364 U CN214454364 U CN 214454364U
- Authority
- CN
- China
- Prior art keywords
- base plate
- sliding base
- limiting
- rack
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a scraper conveyor's straining device has solved the problem that current spiral straining device adjust time is long, the left and right sides is asynchronous, inaccurate, the tail-wheel axle produces the moment of flexure. The tensioning device consists of a tail frame, a sliding base plate, a rack, a gear, a flange, a hanging bearing seat, a rotating shaft, a handle, a limiting bolt, a limiting nut and a square gasket; the tail frame is formed by welding a plurality of steel pieces; the sliding base plate is arranged on the tailstock with the sliding groove and can slide in the sliding groove; the rack is fixedly connected with the sliding base plate; the hanging bearing seat is fixed on the tail frame; the rotating shaft penetrates through the hanging bearing seat and is fixedly connected with the gear through the flange, the gear is fixedly connected with the handle, when the handle is rotated, the gears on the two sides rotate at a constant speed, and the sliding base plates on the two sides move linearly under the driving of the rack. The utility model discloses a chain tensioning volume is adjusted to twist grip's mode, has convenient, nimble, the efficient advantage of regulative mode.
Description
Technical Field
The utility model relates to a scraper conveyor technical field, concretely relates to rack and pinion straining device for scraper conveyor.
Background
Coal is one of the most important energy sources for economic construction in China, and a scraper conveyor is a continuous conveying device which has the advantages of firmness, durability, horizontal and vertical bending, low machine body and the like, and is a very important part in China in a mine transportation part. The scraper conveyor mainly comprises a machine head part, a machine body, a machine tail part and auxiliary equipment, wherein a tensioning device in the auxiliary equipment is mainly used for tensioning a scraper chain of the conveyor. At present, the tensioning device on the scraper conveyor is mainly a spiral tensioning device, the sliding frame and the tail chain wheel set are dragged to move in a rotating mode through manpower or a motor driving screw rod, tensioning of a scraper chain is achieved, the spiral tensioning device is simple and compact in structure, the tension force is not easy to master, and when the rotation strokes of the screw rods on the two sides are inconsistent, the tail wheel shaft can bear large bending moment, so that damage is caused to equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tensioning device of a scraper conveyor, which utilizes the principle of gear rack transmission, can synchronously drag two ends of a tail wheel group by rotating a gear with a handle, and overcomes the defects of long adjusting time, asynchronous left and right sides, inaccuracy and bending moment generated by a tail wheel shaft of the existing spiral tensioning device; in addition, the tensioning device adjusts the tensioning amount of the chain in a handle rotating mode, and has the advantages of being convenient, flexible and efficient in adjusting mode.
The utility model adopts the following technical proposal: a tensioning device of a scraper conveyor is characterized in that: the tensioning device consists of a tail frame, a sliding base plate, a rack, a gear, a flange, a hanging bearing seat, a rotating shaft, a handle, a limiting bolt, a limiting nut and a square gasket; the tail frame is formed by welding a plurality of channel steel, angle steel and steel plates; the sliding base plate is arranged on the tailstock with the sliding groove and can slide in the sliding groove; the rack is fixedly connected with the sliding base plate; the hanging bearing seat is fixed on the tail frame; the rotating shaft penetrates through the hanging bearing seat and is fixedly connected with the gear through the flange, the gear is fixedly connected with a handle, when the handle is rotated, the gears on two sides are driven by the rotating shaft to rotate at the same speed, and the sliding base plates on two sides are driven by the rack to do linear motion; the square gasket keeps one side surface to be tightly attached to the sliding base plate, and the limiting bolt sequentially penetrates through the square gasket and the sliding groove in the tailstock and is matched with the limiting nut on the other side and then screwed down.
By utilizing the principle of gear and rack transmission, the gear is driven to rotate actively to drive the rack and a chain wheel shaft fixedly connected with the rack to do linear motion, so that the tensioning amount of a chain on the chain wheel is adjusted.
A narrow and long narrow slit is formed in the channel steel adjacent to the sliding base plate in the tail frame, and a steel plate is welded at the narrow slit to form a sliding groove.
The limiting device consists of a limiting bolt, a limiting nut and a square gasket, and when the tensioning amount of the chain needs to be adjusted, 4 limiting bolts are unscrewed, so that the sliding base plate is changed into a movable state; after the chain tensioning amount adjustment is completed, 4 limiting bolts are screwed down, so that the sliding base plate is changed into a fixed state.
The utility model has the advantages that:
the defects that the conventional spiral tensioning device is long in adjusting time, asynchronous and inaccurate in left and right sides and produces bending moment on a tail wheel shaft are overcome; in addition, this straining device adjusts the chain tensioning volume through twist grip's mode, has convenient, nimble, the efficient advantage of adjustment, and the utility model discloses light practicality, simple structure, maneuverability is strong.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partially enlarged schematic view of the three-dimensional structure of the present invention;
fig. 3 is a schematic view of an embodiment of the present invention;
the reference numbers in the figures denote:
1-a tailstock; 2-sliding backing plate; 3-a rack; 4-a gear; 5-a flange; 6-hanging a bearing seat; 7-a handle; 8-a limit bolt; 9-square gasket; 10-a limit nut; 11-a rotating shaft; 12-a scraper chain; 13-a sprocket; 14-a tail pulley shaft; 15-bearing seat.
Detailed Description
The following combines the attached drawing, is right the technical scheme in the utility model go on clearly, explain completely, the embodiment only do the utility model discloses a part, based on the utility model provides a utility model main points, all other utility model creations that the technical staff in the field obtained under the prerequisite of not making creative work all belong to the utility model discloses the scope of protection.
As shown in fig. 1 and 2, a tensioning device of a scraper conveyor is characterized in that: the tensioning device consists of a tail frame (1), a sliding base plate (2), a rack (3), a gear (4), a flange (5), a hanging bearing seat (6), a handle (7), a limiting bolt (8), a square gasket (9), a limiting nut (10) and a rotating shaft (11); the tail frame (1) is formed by welding a plurality of channel steel, angle steel and steel plates; the sliding base plate (2) is arranged on the tailstock with a sliding chute and can slide in the sliding chute; the rack (3) is fixedly connected with the sliding base plate (2); the hanging bearing seat (6) is fixed on the tail frame (1); the rotating shaft (11) penetrates through the hanging bearing seat (6) and is fixedly connected with the gear (4) through the flange (5), the gear (4) is fixedly connected with the handle (7), when the handle (7) is rotated, the gears (4) on two sides are driven by the rotating shaft (11) to rotate at a constant speed, and the sliding base plates (2) on two sides are driven by the rack (3) to do linear motion; the square gasket (9) is provided with a round hole, the side surface of the square gasket is tightly attached to the sliding base plate (2), the bottom surface of the square gasket is tightly attached to the tailstock (1), and the central axis of the round hole of the square gasket is aligned with the center of the sliding chute; the limiting bolt (8) sequentially penetrates through the square gasket (9) and the sliding groove in the tail frame (1) and is matched with the limiting nut (10) on the other side and then screwed down. A narrow and long narrow slit is formed in the channel steel adjacent to the sliding base plate (2) in the tail frame (1), and a steel plate is welded at the narrow slit to form a sliding groove. The limiting device is composed of limiting bolts (8), square gaskets (9) and limiting nuts (10), and when the tensioning amount of the chain needs to be adjusted, 4 limiting bolts (8) are unscrewed, so that the sliding base plate (2) is changed into a movable state; after the chain tensioning amount is adjusted, 4 limiting bolts (8) are screwed down, so that the sliding base plate (2) is in a fixed state.
The working process and principle of the tension device of the scraper conveyor are explained in detail with reference to fig. 3: under the working condition, a tail wheel set of a scraper conveyor is fixedly connected to a sliding base plate (2), the tail wheel set is composed of chain wheels (13), a tail wheel shaft (14) and a bearing seat (15), a scraper chain (12) of the scraper conveyor is respectively wound on the two chain wheels (13) which are symmetrically arranged, when the scraper chain (12) is loosened, 4 limiting bolts (8) are unscrewed, the sliding base plate (2) is changed into a movable state, a handle (7) is rotated anticlockwise, gears (4) on two sides are rotated, a rack (3) and a tail wheel set fixedly connected to the sliding base plate (2) are driven to translate leftwards, at the moment, the scraper chain (12) is tensioned, at last 4 limiting bolts (8) are screwed, the sliding base plate (2) is changed into a fixed state, and the scraper conveyor can start to normally work; the method for adjusting the tensioning amount of the chain when the scraper chain (12) is over-tight is similar to the method for adjusting the tensioning amount of the chain when the chain is loose, and the rotating direction of the handle is changed.
The above-mentioned embodiments are only descriptions of the preferred embodiments of the present invention, the present invention is not limited to the above-mentioned embodiments, and all kinds of deformation and transformation made by the present invention should be within the protection scope of the present invention.
Claims (4)
1. A tensioning device of a scraper conveyor is characterized in that: the tensioning device consists of a tail frame (1), a sliding base plate (2), a rack (3), a gear (4), a flange (5), a hanging bearing seat (6), a handle (7), a limiting bolt (8), a square gasket (9), a limiting nut (10) and a rotating shaft (11); the tail frame (1) is formed by welding a plurality of channel steel, angle steel and steel plates; the sliding base plate (2) is arranged on the tailstock with a sliding chute and can slide in the sliding chute; the rack (3) is fixedly connected with the sliding base plate (2); the hanging bearing seat (6) is fixed on the tail frame (1); the rotating shaft (11) penetrates through the hanging bearing seat (6) and is fixedly connected with the gear (4) through the flange (5), the gear (4) is fixedly connected with the handle (7), when the handle (7) is rotated, the gears (4) on two sides are driven by the rotating shaft (11) to rotate at the same speed, and the sliding base plates (2) on two sides are driven by the rack (3) to do linear motion; the square gasket (9) is provided with a round hole, the side surface of the square gasket is tightly attached to the sliding base plate (2), the bottom surface of the square gasket is tightly attached to the tailstock (1), and the central axis of the round hole of the square gasket (9) is aligned with the center of the sliding chute; the limiting bolt (8) sequentially penetrates through the square gasket (9) and the sliding groove in the tail frame (1) and is matched with the limiting nut (10) on the other side and then screwed down.
2. The tensioning device of a scraper conveyor of claim 1, characterized in that: the actuating mechanism of the tensioning device consists of a handle (7), a gear (4), a rack (3) and a rotating shaft (11).
3. The tensioning device of a scraper conveyor of claim 1, characterized in that: a narrow and long narrow slit is formed in the channel steel adjacent to the sliding base plate (2) in the tail frame (1), and a steel plate is welded at the narrow slit to form a sliding groove.
4. The tensioning device of a scraper conveyor of claim 1, characterized in that: the limiting device is composed of the limiting bolts (8), the square gaskets (9) and the limiting nuts (10), 4 limiting bolts (8) are unscrewed, and the sliding base plate (2) is changed into a movable state; 4 limiting bolts (8) are screwed down, and the sliding base plate (2) becomes a fixed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120111347.9U CN214454364U (en) | 2021-01-15 | 2021-01-15 | Tensioning device of scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120111347.9U CN214454364U (en) | 2021-01-15 | 2021-01-15 | Tensioning device of scraper conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214454364U true CN214454364U (en) | 2021-10-22 |
Family
ID=78112018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120111347.9U Expired - Fee Related CN214454364U (en) | 2021-01-15 | 2021-01-15 | Tensioning device of scraper conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214454364U (en) |
-
2021
- 2021-01-15 CN CN202120111347.9U patent/CN214454364U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201324807Y (en) | Drawing mechanism for reinforcing steel adjusting cutter | |
| CN111069366B (en) | A spot welding device of bending is managed in side for guardrail production | |
| CN214454364U (en) | Tensioning device of scraper conveyor | |
| CN201471071U (en) | Seam welder of automatic reducing reinforcement cage | |
| CN101774101A (en) | Face plate centering device for T-type steel assembly | |
| CN201659384U (en) | Panel centering device for assembling T-steel | |
| CN2465447Y (en) | Rice seedling cultivation plate rice sprout transplanter | |
| CN201766847U (en) | Tobacco harvesting machine capable of walking automatically | |
| CN200991753Y (en) | Lever type automatic feeding device | |
| CN216759658U (en) | Fixing clamp of metal mold | |
| CN213859473U (en) | Coal ash carries and tailors device with single tube | |
| CN210756778U (en) | Efficient spiller grinding apparatus | |
| CN210237242U (en) | Novel river course ecological remediation device | |
| CN208276304U (en) | A kind of pipe screw-cutting lathe | |
| CN221817473U (en) | Automatic cutting and feeding device for precise shaft rod | |
| CN213170395U (en) | Feeding and discharging stacking mechanical arm equipment with automatic adjustment function | |
| CN2057806U (en) | Haw slice cake cutting machine | |
| CN215709113U (en) | Angle adjusting mechanism of energy-saving feeder | |
| CN213899769U (en) | Vehicle chain tensioning adjusting mechanism with high controllability | |
| CN108580745A (en) | A kind of bending device for rebars | |
| CN213613887U (en) | Cam rocker arm type mechanism for thread rolling machine | |
| CN221659457U (en) | Clamping guiding material pulling device of punching machine | |
| CN217991619U (en) | Steel pipe rust removal and correction integrated device for deformed steel pipe | |
| CN220901531U (en) | Bending device for aluminum plate processing | |
| CN216734393U (en) | Graphite electrode drilling and sampling vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |