Transmission chain stretching device
By designing a speed reduction mechanism for the transmission and tensioning devices, combined with a power unit and clamping and limiting structure, the problems of instability and ease of use in existing chain tensioning equipment have been solved, achieving a more efficient and stable chain tensioning effect.
Patent Information
- Application Number
- CN202422437936.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-10
AI Technical Summary
Existing chain stretching equipment uses hydraulic devices to provide stretching force, resulting in an unstable stretching process, poor performance, and frequent maintenance. The machine is also difficult to use, especially when processing large-scale chains.
The system employs a transmission and tensioning device for speed reduction, combined with a power unit to provide power, reducing reliance on hydraulic devices, improving the smoothness and effectiveness of the tensioning process, and ensuring chain stability through clamping devices and limit blocks.
Chain stretching can be accomplished with a smaller power unit, the stretching process is smooth and effective, maintenance frequency is reduced, and machine ease of use is improved.
Smart Images
Figure CN223581550U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of chain stretching equipment, in particular to a transmission chain stretching device. BACKGROUND
[0002] Chain is generally a ring-shaped object made of metal and is often used for mechanical transmission. It needs to be stretched and checked during production to ensure that its performance meets the standards.
[0003] For example, a kind of stretching and correcting device for chain production represented by the Chinese utility model patent with the authorization announcement number CN220525518U is a kind of prior art, its main structure includes driving element, clamping assembly and correcting unit, driving element stretches chain, clamping assembly clamps chain, and correcting unit corrects the chain after stretching adjustment.
[0004] However, the existing technical equipment still has the following problems when in use: the hydraulic device is used to directly provide stretching force, the stretching process is relatively unstable, the stretching effect is poor, and the hydraulic device needs to be frequently maintained when testing large-scale chains, and the machine usability is poor. INVENTION CONTENTS
[0005] To solve the above technical problems, the utility model provides a transmission chain stretching device by setting transmission device and stretching device, which slows down the stretching process, improves the stretching force, improves the stability of the stretching process, improves the stretching effect, and sets power device to provide power, avoids maintaining the hydraulic device and improves the machine usability.
[0006] The transmission chain stretching device of the utility model, including body, still include power device, transmission device, two stretching devices, two clamping devices and two limit blocks, power device, transmission device, two stretching devices and two limit blocks are all installed on body, two clamping devices are installed on two stretching devices respectively, body provides support, power device provides power, transmission device transmits power, stretching device stretches chain, clamping device clamps chain, and limit block limits chain during stretching.
[0007] Preferably, the body includes a plurality of support seats, a bottom plate, a support one, a support two, two groups of support three, two support fours, a plurality of support fives and a support six, the bottom plate is installed at the top end of the plurality of support seats, the support one, the two groups of support three, the two support fours and the plurality of support fives are all installed at the top end of the bottom plate, two through holes one are arranged on the support one, two through holes two are arranged on the two groups of support three respectively, two sliding grooves are arranged on the top of the two support fours respectively, the support two is installed at the rear end of the support one, the support six is installed at the top end of the plurality of support fives; support is provided.
[0008] Preferably, the power device comprises three chain wheels, a chain, a speed reducer and a motor, the three chain wheels are rotatably installed at the rear end of the support one, and two of the chain wheels are concentric with the two through holes of the support one, and the remaining one is located at the midpoint of the line connecting the other two chain wheels, the chain is installed on the three chain wheels, the speed reducer is installed at the rear end of the support two, and the speed reducer is connected with the chain wheel at the midpoint, and the motor is fixedly installed at the rear end of the speed reducer, and the motor provides power to the chain wheel at the midpoint through the speed reducer; the motor provides power, and the power is transmitted through the speed reducer, the chain wheel and the chain to drive the three chain wheels to rotate together.
[0009] Preferably, the transmission device comprises two bevel gears one, two bevel gears two and two worms, the two bevel gears one are rotatably installed at the front end of the support one and pass through the two through holes of the support one and the two chain wheels, respectively, the two bevel gears two and the two worms are rotatably installed on the two groups of support three, and the two bevel gears two are located between the two groups of support three, the two bevel gears two are connected with the two worms, respectively, and the two bevel gears two are gear meshed with the two bevel gears one, respectively; the two bevel gears one are driven to rotate by the chain wheel, the two bevel gears one drive the two bevel gears two to rotate in opposite directions, and the two bevel gears two drive the two worms to rotate in opposite directions.
[0010] Preferably, the stretching device comprises two rotating shafts, a worm gear and a rack slider, the two rotating shafts are rotatably installed on a support four, the worm gear is installed on the two rotating shafts, and the worm gear and the worm are drivingly matched, and the rack slider is slidingly installed in the sliding groove of the same support four, and the worm gear and the rack slider are gear meshed, and the two stretching devices are installed on the two support fours, respectively; the two worms drive the two worm gears to rotate in opposite directions, the two worm gears rotate in opposite directions to make the two rack sliders approach or move away from each other, and the chain is stretched when the two rack sliders move away from each other.
[0011] Preferably, the clamping device comprises a hinge, a clamping jaw one and a clamping jaw two, the hinge and the clamping jaw two are fixedly installed on a rack slider, and the hinge and the clamping jaw two are located at one end of the two rack sliders, the clamping jaw one is hingedly installed on the hinge, and the two clamping devices are installed on the two rack sliders, respectively; the clamping jaw one is rotated and raised, the chain is clamped on the two clamping jaw two, then the clamping jaw one is lowered, the clamping jaw one clamps the chain, and the clamping force increases with the increase of the stretching force during stretching, preventing the chain from slipping off.
[0012] Preferably, the two limiting blocks are installed at the top end of the support six; the chain is limited during stretching to prevent workers from being injured when the chain is broken.
[0013] Compared with the prior art, the beneficial effects of the utility model are that: when the same specification chain is stretched, a power device with smaller power can be used, the machine is more economical, and the displacement amount of both sides is equal at all times when stretching, the machine runs more stably, and the stretching effect is better. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is the axonometric structure schematic diagram of the utility model;
[0015] Figure 2 is the axonometric structure schematic diagram of the machine body;
[0016] Figure 3 is the axonometric structure schematic diagram of the power device;
[0017] Figure 4 is the axonometric structure schematic diagram of the transmission device;
[0018] Figure 5 is the axonometric structure schematic diagram of the stretching device;
[0019] Figure 6 is the axonometric structure schematic diagram of the clamping device;
[0020] Figure 7 is the axonometric structure schematic diagram of the limiting block.
[0021] Markings in the drawings: 01, machine body; 11, support seat; 12, bottom plate; 13, support one; 14, support two; 15, support three; 16, support four; 17, support five; 18, support six; 02, power device; 21, chain wheel; 22, chain; 23, speed reducer; 24, motor; 03, transmission device; 31, bevel gear one; 32, bevel gear two; 33, worm; 04, stretching device; 41, rotating shaft; 42, worm wheel; 43, rack slider; 05, clamping device; 51, hinge; 52, clamping jaw one; 53, clamping jaw two; 06, limiting block. DETAILED DESCRIPTION
[0022] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0023] Embodiment 1
[0024] The machine body 01; further comprising a power device 02, a transmission device 03, two stretching devices 04, two clamping devices 05 and two limiting blocks 06, the power device 02, the transmission device 03, the two stretching devices 04 and the two limiting blocks 06 are all installed on the machine body 01, and the two clamping devices 05 are respectively installed on the two stretching devices 04; the machine body 01 provides support, the power device 02 provides power, the transmission device 03 transmits power, the stretching device 04 stretches the chain, the clamping device 05 clamps the chain, and the limiting block 06 limits the chain during stretching;
[0025] The fuselage 01 includes a plurality of support seats 11, a bottom plate 12, a support one 13, a support two 14, two groups of support three 15, two support four 16, a plurality of support five 17 and support six 18, the bottom plate 12 is installed at the top of the plurality of support seats 11, the support one 13, the two groups of support three 15, the two support four 16 and the plurality of support five 17 are all installed at the top of the bottom plate 12, two through holes one are arranged on the support one 13, two through holes two are arranged on the two groups of support three 15 respectively, two sliding grooves are arranged on the top of the two support four 16 respectively, the support two 14 is installed at the rear end of the support one 13, the support six 18 is installed at the top of the plurality of support five 17; the power device 02 includes three chain wheels 21, a chain 22, a speed reducer 23 and a motor 24, the three chain wheels 21 are all rotationally installed at the rear end of the support one 13, and two of the three chain wheels 21 are concentric with the two through holes one of the support one 13, and the remaining one is located at the midpoint of the connecting line of the other two chain wheels 21, the chain 22 is installed on the three chain wheels 21, the speed reducer 23 is installed at the rear end of the support two 14, and the speed reducer 23 is connected with the chain wheel 21 located in the middle, and the motor 24 is fixedly installed at the rear end of the speed reducer 23, and the motor 24 provides power to the chain wheel 21 located in the middle through the speed reducer 23; the transmission device 03 includes two bevel gears one 31, two bevel gears two 32 and two worms 33, the two bevel gears one 31 are all rotationally installed at the front end of the support one 13, and the two bevel gears one 31 are connected through the two through holes one of the support one 13 and the two chain wheels 21 respectively, the two bevel gears two 32 and the two worms 33 are rotationally installed on the two groups of support three 15 respectively, and the two bevel gears two 32 are located between the two groups of support three 15, the two bevel gears two 32 are connected with the two worms 33 respectively, and the two bevel gears two 32 are gear meshed with the two bevel gears one 31 respectively; the stretching device 04 includes two rotating shafts 41, a worm wheel 42 and a rack slider 43, the two rotating shafts 41 are all rotationally installed on a support four 16, the worm wheel 42 is installed on the two rotating shafts 41, and the worm wheel 42 and the worm 33 are worm gear transmission matched, the rack slider 43 is slidingly installed in the sliding groove of the same support four 16, and the worm wheel 42 and the rack slider 43 are gear meshed, and the two stretching devices 04 are installed on the two support four 16 respectively; the clamping device 05 includes a hinge 51, a clamping jaw one 52 and a clamping jaw two 53, the hinge 51 and the clamping jaw two 53 are fixedly installed on one rack slider 43, and the hinge 51 and the clamping jaw two 53 are all located at one end of the two rack sliders 43 close to each other, and the clamping jaw one 52 is hingedly installed on the hinge 51, and the two clamping devices 05 are installed on the two rack sliders 43 respectively;
[0026] First open motor 24, motor 24 provides power, power through the reducer 23, sprocket 21 and chain 22 transmission, drive three sprocket 21 together, two bevel gear one 31 driven by sprocket 21 rotation, two bevel gear one 31 drive two bevel gear two 32 opposite each other, two bevel gear two 32 drive two worm 33 opposite each other, two worm 33 drive two worm gear 42 opposite each other, two worm gear 42 opposite each other make two rack slider 43 close to each other, then rotate up the jaw one 52, the chain is installed on two jaw two 53, then put down the jaw one 52, jaw one 52 is clamped chain, and in the stretching with the increase of stretching force, increase the clamping force, prevent chain slip, then let motor 24 reverse, make two rack slider 43 away from each other, the chain is stretched.
[0027] Example 2
[0028] Based on example 1 also includes:
[0029] The two limit block 06 are installed in the support six 18 top;
[0030] First open motor 24, motor 24 provides power, power through the reducer 23, sprocket 21 and chain 22 transmission, drive three sprocket 21 together, two bevel gear one 31 driven by sprocket 21 rotation, two bevel gear one 31 drive two bevel gear two 32 opposite each other, two bevel gear two 32 drive two worm 33 opposite each other, two worm 33 drive two worm gear 42 opposite each other, two worm gear 42 opposite each other make two rack slider 43 close to each other, then rotate up the jaw one 52, the chain is installed on two jaw two 53, then put down the jaw one 52, jaw one 52 is clamped chain, and in the stretching with the increase of stretching force, increase the clamping force, prevent chain slip, then let motor 24 reverse, make two rack slider 43 away from each other, the chain is stretched, the limit block 06 is limited to the chain in the stretching, prevent chain injury workers when broken.
[0031] As Figures 1 to 7As shown, the transmission chain stretching device of the utility model, in working, first open motor 24, motor 24 provides power, power transmission through speed reducer 23, chain wheel 21 and chain 22, drive three chain wheels 21 rotate together, two bevel gears one 31 are driven to rotate by chain wheel 21, two bevel gears one 31 drive two bevel gears two 32 to rotate reversely, two bevel gears two 32 drive two worms 33 to rotate reversely, two worms 33 drive two worm gears 42 to rotate reversely, two worm gears 42 rotate reversely to make two rack sliders 43 close to each other, then rotate to lift the jaw one 52, chain is clamped on two jaw two 53, then put down jaw one 52, jaw one 52 clamps chain, and when stretching, the clamping force increases with the increase of stretching force, prevents chain from slipping, then make motor 24 reverse, make two rack sliders 43 away from each other, stretch chain, limit block 06 limits chain when stretching, prevents chain from hurting workers when breaking.
[0032] The motor 24, two bevel gears one 31, two bevel gears two 32, two worms 33 and two worm gears 42 of the utility model are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.
[0033] The utility model discloses the main function realized is: through setting transmission device 03 and stretching device 04, the deceleration of stretching process is carried out, the stretching force is promoted, the stability of stretching process is promoted, the stretching effect is promoted, and through setting power device 02, power is provided, the hydraulic device is maintained, and the machine is easy to use, the prior art problems that the hydraulic device is directly provided with stretching force, the stretching process is relatively unstable, the stretching effect is relatively poor, and the hydraulic device needs to be frequently maintained when testing larger scale chain, and the machine is easy to use.
[0034] The above only is the preferred implementation mode of the utility model, should point out, for ordinary technical personnel in the prior art, on the premise that without departing from the technical principle of the utility model, can make a number of improvements and variations, these improvements and variations also should be regarded as the protection range of the utility model.
Claims
1. A power chain stretching device, comprising a machine body (01); characterized in that, It also includes a power device (02), a transmission device (03), two stretching devices (04), two clamping devices (05) and two limit blocks (06), the power device (02), the transmission device (03), the two stretching devices (04) and the two limit blocks (06) are all installed on the fuselage (01), and the two clamping devices (05) are respectively installed on the two stretching devices (04); the fuselage (01) provides support, the power device (02) provides power, the transmission device (03) transmits power, the stretching device (04) stretches the chain, the clamping device (05) clamps the chain, and the limit block (06) limits the chain during stretching.
2. A power chain tensioner as recited in claim 1 wherein, The fuselage (01) includes a plurality of support seats (11), a bottom plate (12), a support one (13), a support two (14), two groups of support three (15), two support four (16), a plurality of support five (17) and support six (18), the bottom plate (12) is installed at the top end of the plurality of support seats (11), the support one (13), the two groups of support three (15), the two support four (16) and the plurality of support five (17) are all installed at the top end of the bottom plate (12), the support one (13) is provided with two through holes one, the two groups of support three (15) are respectively provided with through holes two, the top of the two support four (16) is respectively provided with a sliding groove, the support two (14) is installed at the rear end of the support one (13), and the support six (18) is installed at the top end of the plurality of support five (17).
3. A power chain tensioner as in claim 2 wherein, The power device (02) includes three chain wheels (21), a chain (22), a speed reducer (23) and a motor (24), the three chain wheels (21) are all rotationally installed at the rear end of the support one (13), and two of the chain wheels (21) are concentric with the two through holes one of the support one (13), and the remaining one is located at the midpoint of the connecting line of the other two chain wheels (21), the chain (22) is installed on the three chain wheels (21), the speed reducer (23) is installed at the rear end of the support two (14), and the speed reducer (23) is connected with the chain wheel (21) located in the middle, and the motor (24) is fixedly installed at the rear end of the speed reducer (23), and the motor (24) provides power to the chain wheel (21) in the middle through the speed reducer (23).
4. A power chain tensioner as in claim 3 wherein, The transmission device (03) includes two bevel gears one (31), two bevel gears two (32) and two worms (33), the two bevel gears one (31) are all rotationally installed at the front end of the support one (13), and the two bevel gears one (31) are connected through the two through holes one of the support one (13) and the two chain wheels (21), respectively, the two bevel gears two (32) and the two worms (33) are rotationally installed on the two groups of support three (15), and the two bevel gears two (32) are located between the two groups of support three (15), the two bevel gears two (32) are connected with the two worms (33), respectively, and the two bevel gears two (32) are gear engaged with the two bevel gears one (31), respectively.
5. A power transmission chain tensioner as in claim 4, wherein, The stretching device (04) comprises two rotating shafts (41), a worm wheel (42) and a rack slider (43), the two rotating shafts (41) are both rotationally installed on a support four (16), the worm wheel (42) is installed on the two rotating shafts (41), and the worm wheel (42) and the worm gear (33) are in worm gear transmission cooperation, the rack slider (43) is slidingly installed in a sliding groove of the same support four (16), and the worm wheel (42) and the rack slider (43) are in gear meshing, and the two stretching devices (04) are respectively installed on the two support fours (16).
6. A power transmission chain tensioner as in claim 5, wherein, The clamping device (05) comprises a hinge (51), a clamping jaw one (52) and a clamping jaw two (53), the hinge (51) and the clamping jaw two (53) are fixedly installed on a rack slider (43), and the hinge (51) and the clamping jaw two (53) are both located at one end of the two rack sliders (43) close to each other, and the clamping jaw one (52) is hingedly installed on the hinge (51), and the two clamping devices (05) are respectively installed on the two rack sliders (43).
7. A power chain tensioner as recited in claim 2 wherein, The two limiting blocks (06) are both installed at the top end of the support six (18).
Citation Information
Patent Citations
Stretching correcting device for chain production
CN220525518U