Scraper chain positioning device

Abstract

The utility model provides a scraper chain positioning device, which relates to the technical field of chain positioning and comprises a device body. The device body is provided with a lifting bearing cylinder in the up-down direction, semicircular head blocks with up-down through holes are arranged on the front portion and the rear portion of the lower portion of the outer circumference of the lifting bearing cylinder, a rotation stopping screw hole in the left-right direction is formed in the bottom wall of the left side of the lifting bearing cylinder, and an inserting ring groove is formed in the inner circumference of the bottom of the lifting bearing cylinder. Anti-falling screw holes in the left-right direction are formed in the right side wall of an insertion ring groove of the lifting bearing cylinder, a fixed bearing plate in the up-down direction is inserted into the top between semicircular head blocks of the lifting bearing cylinder, the lifting bearing cylinder can conveniently sleeve the fixed bearing plate to move up and down, and the lifting bearing cylinder can conveniently move upwards to compress a buffer column spring to achieve stress buffering; the problems that no stress buffering measure exists between the device and the chain, the chain is prone to being broken due to excessive stress in the running process, and stress buffering measures are inconvenient to be additionally arranged on the device to automatically buffer the stress of the chain are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of chain positioning, in particular to a scraper chain positioning device. Background Art

[0002] A scraper conveyor is a continuous transport device that conveys bulk materials in a closed rectangular cross-section shell with the help of a moving scraper chain. Since the scraper chain is completely buried in the material when conveying the material, it is called a scraper conveyor. The scraper chain of a scraper conveyor will become loose and displaced during long-term use, so it is necessary to use a chain positioning device to tension and position the scraper chain.

[0003] Based on the above, the inventors found that the existing scraper chain positioning device has the following shortcomings:

[0004] 1. There is no force buffering measure between the device and the chain, which may easily cause the chain to break due to excessive force during operation. It is not convenient to install force buffering measures on the device to automatically buffer the force on the chain;

[0005] 2. When adjusting the chain tension, the device needs to be disassembled and moved, which makes the chain tension adjustment process more complicated and inconvenient to add tension adjustment measures to the device to achieve tension through extension and retraction. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a scraper chain positioning device to solve the problems that there is no force buffering measure between the existing device and the chain, which easily causes the chain to break due to excessive force during operation, and it is not convenient to install force buffering measures on the device to automatically buffer the force on the chain; the device needs to be disassembled and moved when the chain tensioning is adjusted, which makes the chain tensioning adjustment process more cumbersome, and it is not convenient to install tensioning adjustment measures on the device to enable the device to achieve tensioning through extension and retraction.

[0007] The purpose and effect of the scraper chain positioning device of the utility model are achieved by the following specific technical means:

[0008] A scraper chain positioning device comprises a device body; the device body is provided with a lifting bearing cylinder in the up and down directions, and semicircular head blocks with upper and lower through holes are provided at the front and rear of the lower part of the outer circumference of the lifting bearing cylinder, and a left and right anti-rotation screw hole is opened on the left bottom wall of the lifting bearing cylinder, an insertion ring groove is opened on the inner circumference of the bottom of the lifting bearing cylinder, and an anti-slip screw hole in the left and right directions is opened on the right wall of the insertion ring groove of the lifting bearing cylinder, and a fixed bearing plate in the up and down directions is inserted into the top between the semicircular head blocks of the lifting bearing cylinder, and a fixed bearing plate in the front and back directions is arranged on the top of the fixed bearing plate, and a fixing plate in the front and back directions is arranged at the four corners of the fixing plate of the fixing bearing plate, and a through hole is opened in the middle of the fixing plate of the fixing bearing plate, and an insertion rod in the up and down directions is arranged at the front and rear of the bottom end face of the fixing plate of the fixing bearing plate, and a threaded column is arranged on the bottom end face of the insertion rod of the fixing bearing plate, and two nuts arranged up and down are installed on the threaded column of the fixing bearing plate, and a buffer column spring in the up and down directions is sleeved on the outer circumference of the insertion rod of the fixing bearing plate, and a corrosion-resistant layer is arranged on the surface of the buffer column spring.

[0009] Furthermore, a chain positioning wheel is sleeved on the regular hexagonal prism of the sprocket bearing column, and a regular hexagonal hole penetrating from front to back is opened in the center of the chain positioning wheel.

[0010] Furthermore, a sprocket bearing column in the front-to-back direction is installed between the semicircular heads of the adjustable telescopic rod through bearings, a regular hexagonal prism in the front-to-back direction is arranged in the middle of the sprocket bearing column, and fixed columns are arranged on the front and rear end surfaces of the regular hexagonal prism of the sprocket bearing column.

[0011] Furthermore, an adjusting telescopic rod in the up and down directions is installed inside the adjusting rotating cylinder through a thread, a thread is opened on the outer circumference of the adjusting telescopic rod, a strip groove in the up and down directions is opened on the left side of the outer circumference of the adjusting telescopic rod, and a U-shaped plate with an opening downward and through to the left and right is provided on the bottom end face of the adjusting telescopic rod, and a semicircular head with front and rear through holes is provided at the front and rear of the lower end of the U-shaped plate of the adjusting telescopic rod.

[0012] Furthermore, an adjusting rotating cylinder is inserted into the insertion ring groove of the lifting bearing cylinder in the up-and-down direction, a thread is provided on the inner circumference of the adjusting rotating cylinder, an insertion ring groove is provided on the outer circumference of the top of the adjusting rotating cylinder, an anti-slip ring groove is provided in the middle of the insertion ring groove of the adjusting rotating cylinder, and an anti-slip groove is provided in the up-and-down direction in a circular array on the outer circumference of the adjusting rotating cylinder.

[0013] Furthermore, fixed anti-slip columns are installed in the left and right directions inside the anti-slip screw holes of the lifting bearing cylinder, a threaded column is arranged on the left side of the fixed anti-slip column, a hemispherical head is arranged on the left end face of the threaded column of the fixed anti-slip column, a limiting ring plate is arranged on the outer circumference of the right end of the threaded column of the fixed anti-slip column, and a regular hexagonal prism is arranged on the right end face of the threaded column of the fixed anti-slip column.

[0014] Furthermore, an anti-slip anti-rotation column in the left and right directions is installed inside the anti-slip anti-rotation screw hole of the lifting bearing cylinder, a threaded column is arranged on the right side of the anti-slip anti-rotation column, a limiting ring plate is arranged on the outer circumference of the left end of the threaded column of the anti-slip anti-rotation column, and a regular hexagonal prism is arranged on the left end face of the threaded column of the anti-slip anti-rotation column.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The lifting bearing cylinder is conveniently sleeved on the fixed bearing plate to move up and down, and the lifting bearing cylinder is conveniently moved upward to compress the buffer column spring to achieve force buffering, which solves the problem that there is no force buffering measure between the device and the chain, which easily causes the chain to break due to excessive force during operation, and it is inconvenient to add force buffering measures to the device to automatically buffer the chain force.

[0017] The conveniently adjustable rotating cylinder is rotated on the lifting bearing cylinder by fixing the anti-slip column limiter, and the conveniently rotated adjustable rotating cylinder is engaged with the adjusting telescopic rod thread, so that the adjusting telescopic rod can be telescoped and adjusted through the thread engagement, which solves the problem of needing to disassemble and move the device when adjusting the chain tension, resulting in a cumbersome chain tension adjustment process and inconvenience in adding tension adjustment measures to the device to enable the device to achieve tension through extension and retraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a main structural schematic diagram of the utility model.

[0019] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0020] Figure 3 It is a schematic diagram of the disassembled structure of the utility model.

[0021] Figure 4 It is an assembly schematic diagram of the lifting bearing cylinder and the fixed bearing plate of the utility model.

[0022] Figure 5 It is an assembly schematic diagram of the lifting bearing cylinder and the adjusting rotating cylinder of the utility model.

[0023] Figure 6 It is a left side schematic diagram of the adjustable telescopic rod of the utility model.

[0024] In the figure: 1. Device body; 2. Lifting bearing cylinder; 3. Fixed bearing plate; 4. Buffer column spring; 5. Anti-slip and anti-rotation column; 6. Fixed anti-slip column; 7. Adjusting rotating cylinder; 8. Adjusting telescopic rod; 9. Sprocket bearing column; 10. Chain positioning wheel. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples. Embodiment 1:

[0026] As attached Figure 1 To Attachment Figure 6 As shown:

[0027] The utility model provides a scraper chain positioning device, including a device body 1; the device body 1 is provided with a lifting bearing cylinder 2 in the up and down directions, which is convenient for carrying various components, and the front and rear parts of the lower outer circumference of the lifting bearing cylinder 2 are provided with semicircular head blocks with upper and lower through holes, which are convenient for the fixed bearing plate 3 to be inserted and installed, and the left bottom wall of the lifting bearing cylinder 2 is provided with a left and right anti-rotation screw hole, which is convenient for the anti-slip anti-rotation column 5 to be installed by threading, and the bottom inner circumference of the lifting bearing cylinder 2 is provided with an insertion ring groove, which is convenient for the adjustment of the rotating cylinder 7 to be inserted into the interior, and the right side wall of the insertion ring groove of the lifting bearing cylinder 2 is provided with left and right anti-slip screw holes, which is convenient for the fixed anti-slip column 6 to be installed by threading, and a fixed bearing plate 3 in the up and down directions is inserted between the top of the semicircular head blocks of the lifting bearing cylinder 2, which is convenient for the lifting bearing cylinder 2 to move up and down, and a fixing plate in the front and rear directions is provided on the top of the fixed bearing plate 3, which is convenient for being fixed on the scraper by bolts, and the fixing plate of the fixed bearing plate 3 is provided with fixing holes that penetrate up and down at the four corners, which is convenient for being fixed by bolts. The cam 3 is provided with a through hole which runs through the top and bottom of the middle part, so that the lifting bearing tube 2 can pass through upward. The front and rear ends of the bottom end face of the fixed plate of the fixed bearing plate 3 are provided with insertion rods in the upper and lower directions, which is convenient for inserting into the semicircular head block of the lifting bearing tube 2. The bottom end face of the insertion rod of the fixed bearing plate 3 is provided with a threaded column, which is convenient for nut installation. Two nuts arranged up and down are installed on the threaded column of the fixed bearing plate 3, which is convenient for anti-slipping of the lifting bearing tube 2. The outer circumference of the insertion rod of the fixed bearing plate 3 is sleeved with a buffer column spring 4 in the upper and lower directions, which is convenient for force buffering. The surface of the buffer column spring 4 is provided with a corrosion-resistant layer, which is convenient for increasing the service life. The anti-slip rotation screw hole of the lifting bearing tube 2 is provided with an anti-slip rotation column 5 in the left and right directions, which is convenient for stopping and preventing the adjustment of the telescopic rod 8 from rotating and falling off. The right side of the anti-slip rotation column 5 is provided with a threaded column, which is convenient for threaded installation. The outer circumference of the left end of the threaded column of the anti-slip rotation column 5 is provided with a limiting ring plate, which is convenient for installation and limiting. The left end face of the threaded column of the anti-slip rotation column 5 is provided with a regular hexagonal prism, which is convenient for rotation and disassembly by tools.

[0028] Among them, the anti-slip screw hole of the lifting bearing cylinder 2 is internally installed with fixed anti-slip columns 6 in the left and right directions, which is convenient for preventing the adjusting rotating cylinder 7 from slipping off, and a threaded column is arranged on the left side of the fixed anti-slip column 6, which is convenient for threaded installation, and a hemispherical head is arranged on the left end face of the threaded column of the fixed anti-slip column 6, which is convenient for inserting into the anti-slip ring groove of the adjusting rotating cylinder 7, and a limiting ring plate is arranged on the outer circumference of the right end of the threaded column of the fixed anti-slip column 6, which is convenient for installation and limiting, and a regular hexagonal prism is arranged on the right end face of the threaded column of the fixed anti-slip column 6, which is convenient for rotating and disassembling by tools, and a The adjusting rotating cylinder 7 in the up and down direction is convenient for the adjusting rotating cylinder 7 to rotate. The inner circumference of the adjusting rotating cylinder 7 is provided with a thread, which is convenient for the adjusting telescopic rod 8 to be installed through the thread. The outer circumference of the top of the adjusting rotating cylinder 7 is provided with an insertion ring groove, which is convenient for inserting the insertion ring groove of the lifting bearing cylinder 2. An anti-slip ring groove is provided in the middle of the insertion ring groove of the adjusting rotating cylinder 7, which is convenient for the fixing anti-slip column 6 to be inserted to prevent the adjusting rotating cylinder 7 from rotating and slipping. The outer circumference of the adjusting rotating cylinder 7 is provided with an anti-skid groove in the up and down direction in an annular array, which is convenient for rotating and anti-skid. The inside of the adjusting rotating cylinder 7 is installed with a thread. The telescopic rod 8 can be adjusted in the up and down directions, so that the telescopic rod 8 can be adjusted and extended through threaded engagement. The outer circumference of the telescopic rod 8 is provided with threads, which is convenient for installation through threads. The left side of the outer circumference of the telescopic rod 8 is provided with strip grooves in the up and down directions, which is convenient for the anti-slip and rotation-stopping column 5 to be inserted into the interior to stop and prevent the adjustment of the telescopic rod 8 from slipping off. The bottom end surface of the telescopic rod 8 is provided with a U-shaped plate with an opening downward and through the left and right sides, which is convenient for placing the chain positioning wheel 10 inside. The lower end of the U-shaped plate of the telescopic rod 8 is provided with semicircular heads with front and rear through holes at the front and rear ends, which is convenient for the sprocket bearing column 9 to be installed through the bearing A sprocket bearing column 9 in the front and rear directions is installed between the semicircular heads of the adjustable telescopic rod 8 through bearings, which is convenient for the sprocket bearing column 9 to rotate. A regular hexagonal prism in the front and rear directions is arranged in the middle of the sprocket bearing column 9, which is convenient for the chain positioning wheel 10 to rotate synchronously. Fixed columns are arranged on the front and rear end surfaces of the regular hexagonal prism of the sprocket bearing column 9, which is convenient for installation through bearings. A chain positioning wheel 10 is sleeved on the regular hexagonal prism of the sprocket bearing column 9, which is convenient for contact tensioning and positioning with the scraper chain. A regular hexagonal hole running through the front and back is opened in the center of the chain positioning wheel 10, which is convenient for the sprocket bearing column 9 to be inserted and rotated synchronously.

[0029] The specific usage and function of this embodiment are as follows:

[0030] In the present utility model, Figure 1When the device body 1 shown is in use, the fixed bearing plate 3 is fixed to the scraper by bolts, so that the scraper chain is under the chain positioning wheel 10, and the chain positioning wheel 10 and the scraper chain are meshed with each other. When the scraper chain is subjected to excessive force, the scraper chain will transfer the force to the chain positioning wheel 10, so that the chain positioning wheel 10 transmits the force to the lifting bearing cylinder 2 through the sprocket bearing column 9, bearings, adjusting telescopic rod 8 and adjusting rotating cylinder 7, so that the lifting bearing cylinder 2 is forced to rise and compress the buffer column spring 4, thereby achieving buffering when the scraper chain is subjected to excessive force. When the adjusting telescopic rod 8 is extended for adjustment, the adjusting rotating cylinder 7 is rotated to engage with the adjusting telescopic rod 8 threadably, so that the adjusting telescopic rod 8 descends through the threaded engagement, and the chain positioning wheel 10 is driven by the adjusting telescopic rod 8 to push the scraper chain down, thereby achieving the tension adjustment of the scraper chain. Embodiment 2:

[0031] The difference from the first embodiment is that the regular hexagonal prism of the anti-slip and anti-rotation column 5 can also be set as a regular heptagonal prism, so that the anti-slip and anti-rotation column 5 can only be rotated by a special tool that cooperates with the regular heptagonal prism, preventing non-staff from rotating and disassembling the anti-slip and anti-rotation column 5. Embodiment three:

[0032] The difference from the first embodiment is that the regular hexagonal prism of the fixed anti-detachment column 6 can also be set as a regular heptagonal prism, so that the fixed anti-detachment column 6 can only be rotated by a special tool that cooperates with the regular heptagonal prism, preventing non-staff from rotating and disassembling the fixed anti-detachment column 6.

Claims

1. A scraper chain positioning device, characterized in that: The device comprises a main body (1); the main body (1) is provided with a lifting bearing cylinder (2); a semicircular head block with upper and lower through holes is provided at the front and rear of the lower part of the outer circumference of the lifting bearing cylinder (2); a left and right anti-rotation screw hole is provided on the left bottom wall of the lifting bearing cylinder (2); an insertion ring groove is provided on the inner circumference of the bottom of the lifting bearing cylinder (2); a left and right anti-slip screw hole is provided on the right wall of the insertion ring groove of the lifting bearing cylinder (2); a fixed bearing plate (3) is inserted between the top of the semicircular head blocks of the lifting bearing cylinder (2); a front screw hole is provided on the top of the fixed bearing plate (3); A fixing plate in the rear direction, the fixing plate of the fixing bearing plate (3) is provided with fixing holes penetrating vertically at four corners, a through hole penetrating vertically is provided in the middle of the fixing plate of the fixing bearing plate (3), an insertion rod in the vertical direction is provided at the front and rear of the bottom end face of the fixing plate of the fixing bearing plate (3), a threaded column is provided at the bottom end face of the insertion rod of the fixing bearing plate (3), two nuts arranged vertically are installed on the threaded column of the fixing bearing plate (3), a buffer column spring (4) is sleeved on the outer circumference of the insertion rod of the fixing bearing plate (3), and a corrosion-resistant layer is provided on the surface of the buffer column spring (4).

2. A scraper chain positioning device as claimed in claim 1, characterized in that: An anti-slip anti-rotation column (5) is installed inside the anti-slip anti-rotation screw hole of the lifting bearing cylinder (2), a threaded column is arranged on the right side of the anti-slip anti-rotation column (5), a limiting ring plate is arranged on the outer circumference of the left end of the threaded column of the anti-slip anti-rotation column (5), and a regular hexagonal prism is arranged on the left end surface of the threaded column of the anti-slip anti-rotation column (5).

3. A scraper chain positioning device as claimed in claim 2, characterized in that: A fixed anti-slip column (6) is installed inside the anti-slip screw hole of the lifting bearing cylinder (2), a threaded column is arranged on the left side of the fixed anti-slip column (6), a hemispherical head is arranged on the left end face of the threaded column of the fixed anti-slip column (6), a limiting ring plate is arranged on the outer circumference of the right end of the threaded column of the fixed anti-slip column (6), and a regular hexagonal prism is arranged on the right end face of the threaded column of the fixed anti-slip column (6).

4. A scraper chain positioning device as claimed in claim 3, characterized in that: An adjusting rotating cylinder (7) is inserted into the insertion ring groove of the lifting bearing cylinder (2), a thread is provided on the inner circumference of the adjusting rotating cylinder (7), an insertion ring groove is provided on the outer circumference of the top of the adjusting rotating cylinder (7), an anti-slip ring groove is provided in the middle of the insertion ring groove of the adjusting rotating cylinder (7), and an anti-slip groove is provided in an annular array in the upper and lower directions on the outer circumference of the adjusting rotating cylinder (7).

5. A scraper chain positioning device as claimed in claim 4, characterized in that: An adjusting telescopic rod (8) is installed inside the adjusting rotating cylinder (7) by means of a thread, a thread is provided on the outer circumference of the adjusting telescopic rod (8), a strip groove in the up-down direction is provided on the left side of the outer circumference of the adjusting telescopic rod (8), a U-shaped plate with an opening extending downward and passing through left and right is provided on the bottom end surface of the adjusting telescopic rod (8), and a semicircular head with front and rear through holes is provided at the front and rear ends of the lower end of the U-shaped plate of the adjusting telescopic rod (8).

6. A scraper chain positioning device as claimed in claim 5, characterized in that: A sprocket bearing column (9) is mounted between the semicircular heads of the adjustable telescopic rod (8) via a bearing, a regular hexagonal prism in the front-to-back direction is arranged in the middle of the sprocket bearing column (9), and fixed columns are arranged on the front and rear end surfaces of the regular hexagonal prism of the sprocket bearing column (9).

7. A scraper chain positioning device as claimed in claim 6, characterized in that: A chain positioning wheel (10) is sleeved on the regular hexagonal prism of the sprocket wheel bearing column (9), and a regular hexagonal hole penetrating front and back is provided in the center of the chain positioning wheel (10).

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