CN211077348U - Balance weight balance automatic regulating device for tail pulley of plate chain hoist - Google Patents
Balance weight balance automatic regulating device for tail pulley of plate chain hoist Download PDFInfo
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- CN211077348U CN211077348U CN201921290451.8U CN201921290451U CN211077348U CN 211077348 U CN211077348 U CN 211077348U CN 201921290451 U CN201921290451 U CN 201921290451U CN 211077348 U CN211077348 U CN 211077348U
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- cross rod
- rod
- tail wheel
- shell
- spring
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- 230000001105 regulatory effect Effects 0.000 title claims description 12
- 238000000034 method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides an automatic balance and balance adjusting device for a tail pulley of a plate chain hoist, which comprises a shell, and a tail pulley mechanism, a weight box and a slide rail mechanism which are arranged in the shell; the tail wheel mechanism comprises a tail wheel shaft, a tail wheel and a counterweight wheel, the slide rail mechanism comprises a slide rail and a connecting rod, and the counterweight box and the tail wheel mechanism can slide along the slide rail to realize counterweight adjustment; the automatic adjusting mechanism is arranged above the shell and comprises a fixed guide rod, a top cross rod, a lower movable cross rod, a spring and a connecting vertical rod; 2 fixed guide rods are symmetrically arranged on the shell, the top end of each fixed guide rod is connected with a top cross rod to form a fixed frame, a lower movable cross rod is movably arranged below the top cross rod, a spring is vertically arranged between the top cross rod and the lower movable cross rod, 2 connecting vertical rods are symmetrically arranged, the bottom ends of the connecting vertical rods movably penetrate into the shell to be connected with a weight box, and the top ends of the connecting vertical rods are connected with the lower movable cross rod; the spring compresses or extends to cushion the impact force during weight adjustment. The utility model discloses can effectively improve the stability and the reliability of lifting machine tailwheel.
Description
Technical Field
The utility model relates to a flat link chain lifting machine specifically is balanced automatic regulating apparatus of flat link chain lifting machine tailwheel counter weight.
Background
Referring to fig. 1, a conventional tail pulley counterweight adjusting device for a plate chain hoist includes a housing 1, and a tail pulley mechanism, a counterweight box 3 and a slide rail mechanism which are disposed in the housing 1. The tail wheel mechanism comprises a tail wheel shaft 2, a tail wheel 21 arranged in the middle of the tail wheel shaft 2 and 2 counter weight wheels 22 arranged on two sides of the tail wheel 21 on the tail wheel shaft 2, wherein the tail wheel shaft 2 is transversely arranged at the lower part in the shell 1, and two ends of the tail wheel shaft are movably connected with shaft sleeves 20. The weight box 3 is arranged above the tail wheel mechanism in the shell 1. The slide rail mechanism comprises a slide rail 4 and a connecting rod 40 movably arranged on the slide rail 4, wherein 2 slide rails 4 are vertically and symmetrically arranged near two ends of the tail wheel shaft 2, one end of the connecting rod 40 is fixedly connected with the weight box 3, and the other end of the connecting rod is fixedly connected with the shaft sleeve 20 of the tail wheel shaft 2. The weight box 3 and the tail wheel mechanism can synchronously slide up and down along the slide rail 4 of the slide rail mechanism to realize weight adjustment. The conventional counterweight adjusting device has the advantage of good sealing effect of the tail wheel, is particularly suitable for conveying powdery materials, and greatly reduces the environmental pollution. The defects are as follows: 1. when the material supplied by the hoister is unstable, the tail pulley 21 cannot be automatically adjusted, and the unilateral material unbalance loading of the chain is easy to occur; 2. the shaft sleeve 20 of the tail wheel shaft 2 is seriously abraded due to uneven stress, which is not beneficial to the stable transportation of the hoister. There is therefore a need for improvement.
Disclosure of Invention
The utility model aims at providing a balanced automatic regulating apparatus of plate chain lifting machine tailwheel counter weight, its characteristics that have simple structure, easily equipment can effectively improve the stability and the reliability of lifting machine tailwheel, reduce the maintenance work load.
The utility model discloses a following technical scheme of purpose accessible realizes:
a plate chain hoist tail pulley counter weight balance automatic regulating device comprises a shell, a tail pulley mechanism, a counter weight box and a slide rail mechanism, wherein the tail pulley mechanism, the counter weight box and the slide rail mechanism are arranged in the shell; the tail wheel mechanism comprises a tail wheel shaft, a tail wheel arranged in the middle of the tail wheel shaft and 2 counter weight wheels arranged on two sides of the tail wheel on the tail wheel shaft, the tail wheel shaft is transversely arranged at the lower part in the shell, and two ends of the tail wheel shaft are movably connected with shaft sleeves; the weight box is arranged above the tail wheel mechanism in the shell; the sliding rail mechanism comprises sliding rails and connecting rods movably arranged on the sliding rails, the 2 sliding rails are vertically and symmetrically arranged near two ends of the tail wheel shaft, one end of each connecting rod is fixedly connected with the weight box, and the other end of each connecting rod is fixedly connected with a shaft sleeve of the tail wheel shaft; the counterweight box and the tail wheel mechanism can synchronously slide up and down along the slide rail of the slide rail mechanism to realize counterweight adjustment; the method is characterized in that: the automatic adjusting mechanism comprises a fixed guide rod, a top cross rod, a lower movable cross rod, a spring and a connecting vertical rod.
The 2 fixed guide rods are symmetrically arranged, the bottom ends of the fixed guide rods are vertically connected with the shell, the ends of the top transverse rods are connected between the top ends of the 2 fixed guide rods to form a fixed frame, the lower movable transverse rods are movably arranged below the top transverse rods in the fixed frame, at least 2 springs are vertically arranged between the top transverse rods and the lower movable transverse rods, the 2 connecting vertical rods are symmetrically arranged, the bottom ends of the connecting vertical rods movably penetrate into the shell to be connected with the weight box, and the top ends of the connecting vertical rods are connected with the lower movable transverse; when the connecting vertical rod and the lower movable cross rod move upwards or downwards along with the weight box in the shell, the spring compresses or extends to buffer the impact force when the weight box and the tail wheel mechanism are in counterweight adjustment.
According to the optimization scheme, the utility model discloses an automatic regulating mechanism is still including accommodate the lead screw and last activity horizontal pole, 2 vertical perforation that have the symmetry on the top horizontal pole, 2 accommodate the lead screw activity respectively pass 2 vertical perforation of a horizontal pole, the top and the below that lie in a horizontal pole on the accommodate the lead screw are equipped with upper nut and lower nut respectively, it locates between accommodate the lead screw and the spring in the mount to go up the activity of activity horizontal pole, rotate the upper and lower position of the adjustable accommodate the lead screw of upper nut and lower nut, it can make to go up the activity horizontal pole and compress tightly the elasticity in order to increase the spring to move down accommodate the lead screw, it can make the spring extend the elasticity in order to reduce the spring to.
Further optimize the scheme, the utility model discloses an inboard of fixed guide arm has vertical guide slot among the automatic regulating mechanism, goes up the both ends of activity horizontal pole and lower activity horizontal pole and moves about respectively and arrange in the vertical guide slot of 2 fixed guide arms.
The utility model has the following substantive characteristics and progress.
1. The utility model discloses an impact force when automatic regulating mechanism's spring buffering weight box and tailwheel mechanism counter weight are adjusted avoids the lifting machine to take place the spring at the transported substance in-process, has effectively improved lifting machine tailwheel moving stability.
2. The utility model discloses further realize the regulation to spring force through the accommodate lead screw among the automatic regulating mechanism, effectively ensure the cushioning effect when automatic regulating mechanism adjusts the counter weight.
3. The utility model discloses further through the reciprocating of activity horizontal pole, lower activity horizontal pole on the vertical guide slot guide of fixed guide arm, effectively ensure automatic regulating mechanism's stability and reliability.
Drawings
Fig. 1 shows a tail pulley counterweight adjusting device of a conventional plate chain hoist.
Fig. 2 and fig. 3 are schematic structural diagrams of the present invention.
Fig. 4 is a schematic diagram of the state of the weight box after moving up.
Fig. 5 is a schematic diagram of the state of the adjusting screw rod after moving upward.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Examples
Referring to fig. 2 to 5, an automatic adjusting device for balancing the balance weight of the tail pulley of the plate chain hoist comprises a housing 1, a tail pulley mechanism arranged in the housing 1, a weight box 3, a slide rail mechanism and an automatic adjusting mechanism arranged above the housing 1.
The tail wheel mechanism comprises a tail wheel shaft 2, a tail wheel 21 arranged in the middle of the tail wheel shaft 2 and 2 counter weight wheels 22 arranged on two sides of the tail wheel 21 on the tail wheel shaft 2, wherein the tail wheel shaft 2 is transversely arranged at the lower part in the shell 1, and two ends of the tail wheel shaft are movably connected with shaft sleeves 20.
The weight box 3 is arranged above the tail wheel mechanism in the shell 1.
The slide rail mechanism comprises slide rails 4 and connecting rods 40 movably arranged on the slide rails 4, wherein the 2 slide rails 4 are vertically and symmetrically arranged near two ends of the tail wheel shaft 2, one end of each connecting rod 40 is fixedly connected with the weight box 3, and the other end of each connecting rod is fixedly connected with the shaft sleeve 20 of the tail wheel shaft 2.
The automatic adjusting mechanism comprises a fixed guide rod 5, a top cross rod 51, a lower movable cross rod 52, a spring 6, an adjusting screw rod 7, an upper movable cross rod 54 and a connecting vertical rod 53.
2 fixed guide arm 5 symmetry sets up, the vertical casing 1 of connecting in its bottom, and top horizontal pole 51 end is connected and is constituted the mount between 2 fixed guide arm 5's top, and fixed guide arm 5's inboard has vertical guide slot 50, has 2 vertical perforation of symmetry on the top horizontal pole 51.
2 adjusting screw rods 7 respectively and movably penetrate through 2 vertical through holes of the top cross rod 51, and upper nuts 71 and lower nuts 72 are respectively arranged above and below the top cross rod 51 on the adjusting screw rods 7. The 3 springs 6 are vertically disposed between the top rail 51 and the lower movable rail 52. The upper movable cross rod 54 is movably arranged between the adjusting screw rod 7 and the spring 6 in the fixed frame. The lower movable cross bar 52 is movably arranged below the top cross bar 51 in the fixed frame. The two ends of the upper movable cross bar 54 and the lower movable cross bar 52 are movably arranged in the vertical guide grooves 50 of the 2 fixed guide rods 5 respectively. The 2 connecting vertical rods 53 are symmetrically arranged, the bottom ends of the connecting vertical rods 53 movably penetrate into the shell 1 to be connected with the weight box 3, and the top ends of the connecting vertical rods are connected with the lower movable cross rods 52.
When the plate chain hoister operates, the weight box 3 and the tail wheel mechanism in the shell 1 synchronously slide up and down along the slide rail 4 of the slide rail mechanism to realize the balance weight adjustment of the chain. Referring to fig. 4, as the connecting vertical rod 53 and the lower movable cross rod 52 move upward with the weight box 3 in the housing 1, the spring 6 compresses to buffer the impact force when the weight box 3 and the tail pulley mechanism are adjusted for weight. When the connecting vertical rod 53 and the lower movable cross rod 52 move downwards along with the weight box 3 in the shell 1, the spring 6 extends to buffer the impact force when the weight box 3 and the tail wheel mechanism are adjusted in weight matching.
When the hoister is subjected to unbalance loading, the pressure of the side with large stress on the spring 6 is larger, the reaction of the spring 6 is larger, and the influence of the unbalance loading on the operation of the chain is reduced.
When the elastic force of the spring 6 needs to be adjusted, the upper nut 71 and the lower nut 72 can be rotated to adjust the up-and-down position of the adjusting screw rod 7, the adjusting screw rod 7 is moved downwards to press the upper movable cross rod 54 to the spring 6 to increase the elastic force of the spring 6, and referring to fig. 5, the adjusting screw rod 7 is moved upwards to extend the spring 6 to reduce the elastic force of the spring 6.
Claims (3)
1. A plate chain hoist tail pulley counter weight balance automatic regulating apparatus, it includes the body (1) and locates the tail pulley mechanism, weight box (3) and slide rail mechanism in the body (1); the tail wheel mechanism comprises a tail wheel shaft (2), a tail wheel (21) arranged in the middle of the tail wheel shaft (2) and 2 counter weight wheels (22) arranged on two sides of the tail wheel (21) on the tail wheel shaft (2), the tail wheel shaft (2) is transversely arranged at the lower part in the shell (1), and two ends of the tail wheel shaft are movably connected with shaft sleeves (20); the weight box (3) is arranged above the tail wheel mechanism in the shell (1); the sliding rail mechanism comprises sliding rails (4) and connecting rods (40) movably arranged on the sliding rails (4), the 2 sliding rails (4) are vertically and symmetrically arranged near two ends of the tail wheel shaft (2), one end of each connecting rod (40) is fixedly connected with the weight box (3), and the other end of each connecting rod is fixedly connected with a shaft sleeve (20) of the tail wheel shaft (2); the weight box (3) and the tail wheel mechanism can synchronously slide up and down along a slide rail (4) of the slide rail mechanism to realize weight adjustment; the method is characterized in that: the automatic adjusting mechanism is arranged above the shell (1) and comprises a fixed guide rod (5), a top cross rod (51), a lower movable cross rod (52), a spring (6) and a connecting vertical rod (53);
the 2 fixed guide rods (5) are symmetrically arranged, the bottom ends of the fixed guide rods are vertically connected with the shell (1), the end of a top cross rod (51) is connected between the top ends of the 2 fixed guide rods (5) to form a fixed frame, a lower movable cross rod (52) is movably arranged below the top cross rod (51) in the fixed frame, at least 2 springs (6) are vertically arranged between the top cross rod (51) and the lower movable cross rod (52), the 2 connecting vertical rods (53) are symmetrically arranged, the bottom ends of the connecting vertical rods (53) movably penetrate into the shell (1) to be connected with the weight box (3), and the top ends of the connecting vertical rods (53) are connected with the lower movable cross; when the connecting vertical rod (53) and the lower movable cross rod (52) move upwards or downwards along with the weight box (3) in the shell (1), the spring (6) compresses or extends to buffer the impact force when the weight box (3) and the tail wheel mechanism are used for counterweight adjustment.
2. The device of claim 1 for automatically adjusting the counterweight balance of the tail pulley of the plate chain hoist, comprising: the automatic adjusting mechanism further comprises an adjusting screw rod (7) and an upper movable cross rod (54), the top cross rod (51) is provided with 2 symmetrical vertical through holes, 2 adjusting screw rods (7) respectively movably penetrate through the 2 vertical through holes of the top cross rod (51), an upper nut (71) and a lower nut (72) are respectively arranged above and below the top cross rod (51) on the adjusting screw rod (7), the upper movable cross rod (54) is movably arranged between the adjusting screw rod (7) and a spring (6) in the fixing frame, the upper position and the lower position of the adjusting screw rod (7) can be adjusted by rotating the upper nut (71) and the lower nut (72), the upper movable cross rod (54) can be pressed to the spring (6) by moving the adjusting screw rod (7) downwards to increase the elasticity of the spring (6), and the spring (6) can be stretched by moving the adjusting screw rod (7) upwards to reduce the elasticity of the spring (6).
3. The device of claim 2, wherein the device comprises: the inner side of a fixed guide rod (5) in the automatic adjusting mechanism is provided with a vertical guide groove (50), and two ends of an upper movable cross rod (54) and a lower movable cross rod (52) are respectively movably arranged in the vertical guide grooves (50) of 2 fixed guide rods (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921290451.8U CN211077348U (en) | 2019-08-10 | 2019-08-10 | Balance weight balance automatic regulating device for tail pulley of plate chain hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921290451.8U CN211077348U (en) | 2019-08-10 | 2019-08-10 | Balance weight balance automatic regulating device for tail pulley of plate chain hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211077348U true CN211077348U (en) | 2020-07-24 |
Family
ID=71632636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921290451.8U Expired - Fee Related CN211077348U (en) | 2019-08-10 | 2019-08-10 | Balance weight balance automatic regulating device for tail pulley of plate chain hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211077348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443573A (en) * | 2021-06-29 | 2021-09-28 | 扎赉诺尔煤业有限责任公司 | Fixing structure for tail wheel of endless rope continuous tractor and using method |
-
2019
- 2019-08-10 CN CN201921290451.8U patent/CN211077348U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443573A (en) * | 2021-06-29 | 2021-09-28 | 扎赉诺尔煤业有限责任公司 | Fixing structure for tail wheel of endless rope continuous tractor and using method |
| CN113443573B (en) * | 2021-06-29 | 2022-04-29 | 扎赉诺尔煤业有限责任公司 | Fixing structure for tail wheel of endless rope continuous tractor and using method |
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| 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: 20200724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |