CN212450088U - Paying-off machine and paying-off machine telescopic driving mechanism - Google Patents
Paying-off machine and paying-off machine telescopic driving mechanism Download PDFInfo
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- CN212450088U CN212450088U CN202021014288.5U CN202021014288U CN212450088U CN 212450088 U CN212450088 U CN 212450088U CN 202021014288 U CN202021014288 U CN 202021014288U CN 212450088 U CN212450088 U CN 212450088U
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Abstract
The utility model discloses a paying-off machine and a paying-off machine telescopic driving mechanism, which comprises a spline shaft (1), a left belt seat bearing (2), a spline housing (3), a chain wheel set (4), a rotating mechanism (8) and a right belt seat bearing (11), wherein the spline shaft (1) is coaxially sleeved on the inner side of the spline housing (3), the left belt seat bearing (2), the chain wheel set (4) and the right belt seat bearing (11) are sequentially and coaxially sleeved on the outer side of the spline housing (3) from left to right, wherein the spline shaft (1), the spline housing (3) and the chain wheel set (4) are sequentially matched and can rotate at the same rotating speed, the bottoms of the left belt seat bearing (2) and the right belt seat bearing (11) are respectively fixed on a paying-off machine base (12), one end of the spline shaft (1) is provided with a square block (13), the other end of the spline shaft (1) is connected with the rotating mechanism, the bottom, wherein the rotating mechanism and the shaft center of the spline shaft are positioned on the same axis.
Description
Technical Field
The utility model belongs to the technical field of the scalable actuating mechanism of suspension bridge steel wire paying out machine, specifically be the flexible actuating mechanism field of steel wire paying out machine in the construction of suspension bridge main push-towing rope AS method, especially relate to a paying out machine and the flexible actuating mechanism of paying out machine and actuating method.
Background
The AS method of the main cable of the suspension bridge is characterized in that a spinning wheel is fixed on a traction cable through a rope clip, the traction cable reciprocates through a traction winch, namely the spinning wheel reciprocates along with the traction cable, and therefore a strand is spun.
One cable strand generally weighs dozens of tons, and the rope containing amount of one spool is generally 6 t-8 t; therefore, in the spinning process, the spool of the pay-off machine needs to be replaced for many times. According to the AS spinning method, the linear speed of an I-shaped wheel on a pay-off machine is 2 times of that of a traction winch, the linear speed of a traction cable is generally 240 m/min-360 m/min, and the linear speed of the pay-off machine is 480 m/min-720 m/min; therefore, the spool of the paying-off machine has high rotating speed.
In the spinning process of the main cable AS method, the paying-off machine adopts active paying-off; when the wire is unwound, the spool on the paying-off machine is driven by the power system to unwind the wire. In order to meet the requirement of the pay-off machine on active wire unwinding, ensure that the spool does not swing or jump in the wire unwinding process and is easy to replace; a retractable drive mechanism is provided. However, the existing telescopic mechanism is relatively long and relatively high in mass, so that direct linear movement is relatively difficult, and the labor intensity of an operator is increased; in addition, the traditional telescopic mechanism is complex in telescopic operation and is not easy to replace a spool; the expansion amount of the existing expansion mechanism cannot be controlled, so that the expansion mechanism is excessively connected with the spool or excessively underconnected with the spool, and the expansion mechanism and the spool are abraded or the spool falls off.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a paying out machine and pay off machine actuating mechanism and the actuating method that stretches out and draws back, overcome among the prior art 1: the existing telescopic mechanism is relatively long and relatively high in mass, so that direct linear movement is relatively difficult, and the labor intensity of an operator is increased; 2: the traditional telescopic mechanism has more complex telescopic operation and is not easy to replace a spool; 3: the expansion amount of the existing expansion mechanism cannot be controlled, so that the problems that the expansion mechanism is excessively connected with a spool or excessively underhung, the expansion mechanism and the spool are abraded, the spool falls off and the like are caused.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a flexible actuating mechanism of paying out machine, includes integral key shaft, left side tape carrier bearing, spline housing, chain wheel group, rotary mechanism and right side tape carrier bearing, and wherein the coaxial suit of integral key shaft is inboard in the spline housing, left side tape carrier bearing, chain wheel group and right side tape carrier bearing are coaxial suit in the spline housing outside from a left side to the right side in proper order, and wherein integral key shaft, spline housing and chain wheel group cooperate in proper order the same rotational speed to rotate, wherein left side tape carrier bearing and right side tape carrier bearing bottom are fixed in respectively on the unwrapping wire frame, integral key shaft one end is equipped with the square, and wherein the integral key shaft other end is connected with rotary mechanism, the rotary mechanism bottom is fixed in on the unwrapping wire frame, and wherein.
Preferably, the rotating mechanism comprises a nut, a thrust bearing, a gland, a sliding shaft sleeve, a stroke limit screw, a locking nut, a rotating lead screw, a rotating bearing, a hand wheel and a rotating mechanism seat, wherein the bottom of the rotating mechanism seat is fixed on the pay-off machine seat, the sliding shaft sleeve is coaxially sleeved on the inner side of the rotating mechanism seat, the top of the sliding shaft sleeve is provided with a sliding stroke groove, the top of the rotating mechanism seat is provided with the stroke limit screw, the lower end of the stroke limit screw can be arranged in the sliding stroke groove, the stroke limit screw is provided with the locking nut for screwing the stroke limit screw, one end of the sliding shaft sleeve, which is close to the spline shaft, is sequentially provided with the nut and the thrust bearing, the thrust bearing is limited on the sliding shaft sleeve by the nut, the part of the sliding shaft sleeve, which is connected with the nut, the gland is fixed at the end part of the spline shaft by using a screw, the sliding shaft sleeve and the spline shaft are connected on the same axis, one end of the sliding shaft sleeve, which is far away from the spline shaft, is connected with a rotary lead screw, the other end of the rotary lead screw is connected with a hand wheel, and a rotary bearing is coaxially sleeved at the position, which is close to the hand wheel, of the rotary lead screw, wherein the rotary bearing is arranged in a rotary mechanism seat and cannot move axially.
Preferably, the sliding stroke groove is axially arranged at the top of the sliding shaft sleeve, and the length of the sliding stroke groove is the same as the telescopic length of the spline shaft.
Preferably, the inner part of one side of the sliding shaft sleeve, which is close to the rotary screw rod, is provided with an internal thread matched with the rotary screw rod, and when the rotary hand wheel is rotated to drive the rotary screw rod to rotate, the sliding shaft sleeve can slide left and right in the rotary mechanism seat.
Preferably, the spline housing between the left belt seat bearing and the sprocket group is coaxially sleeved with a left spacer, and the spline housing between the sprocket group and the right belt seat bearing is coaxially sleeved with a right spacer.
Preferably, the spline shaft and the spline housing are matched through an involute spline, and the chain wheel set and the spline housing are matched through a flat key, namely the spline shaft, the spline housing and the chain wheel set can rotate at the same rotating speed.
Preferably, a paying out machine, include as above arbitrary any telescopic driving mechanism of paying out machine, wherein the telescopic driving mechanism of paying out machine is two sets of, still includes I-shaped wheel, unwrapping wire frame and power component, wherein two sets of telescopic driving mechanism of paying out machine are fixed in unwrapping wire frame top both sides respectively, the I-shaped wheel sets up in unwrapping wire frame intermediate position, and wherein the I-shaped wheel both sides are equipped with the square hole, can cooperate with the square, power component is fixed in unwrapping wire frame lower part, and wherein power component corresponds with the telescopic driving mechanism's of paying out machine position, and wherein power component passes through the chain and drives the chain wheel group and rotate, drives spline housing and integral key shaft and rotates together afterwards, and the integral key shaft makes the I-shaped wheel.
Preferably, the power assembly adopts a variable frequency motor, the constant linear speed of the spool is ensured by adjusting a frequency converter, and the chain is annularly sleeved between the variable frequency motor and the chain wheel set.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses utilize the integral key shaft to connect the axle sleeve that slides, the axle sleeve other end that slides is connected rotatory lead screw, and the rotatory lead screw other end is connected the hand wheel, does linear motion with the integral key shaft and turns into the rotary motion of hand wheel, can reduce operator intensity of labour, can drive the square of integral key shaft to insert or break away from the square hole of I-shaped wheel through rotating the hand wheel, and flexible operation is simpler, changes the I-shaped wheel very easily, the utility model discloses paying out machine flexible actuating mechanism whole size is little, and the quality is light, can conveniently install on the unwrapping wire frame, practices;
(2) the utility model discloses be provided with the stroke groove that slides on the slip axle sleeve, wherein the length of stroke groove that slides is the same with the flexible length of integral key shaft, consequently can confirm the biggest stroke of integral key shaft, set up the biggest stroke left of integral key shaft into the square of integral key shaft and the optimum size of I-shaped wheel complex, consequently can not cause the square of integral key shaft and the square jogged joint of I-shaped wheel to be excessive or lack, avoid the wearing and tearing of integral key shaft and I-shaped wheel or the drop problem of I-shaped wheel, avoided the paying out machine trouble, improved work efficiency;
(3) the sliding shaft sleeve and the spline shaft are connected by the nut and the gland, when the sliding shaft sleeve is recovered, the pulling force is uniformly distributed on the gland, the structure is reliably installed, and the phenomenon that the sliding shaft sleeve is separated from the spline shaft can not occur; in addition, the sliding shaft sleeve is connected with the spline shaft through a thrust bearing, and when the spline shaft rotates, the sliding shaft sleeve can be still;
(4) the spline shaft and the spline housing of the utility model are matched through the involute spline, and the chain wheel group and the spline housing are matched through the flat key, namely, the spline shaft, the spline housing and the chain wheel rotate at the same rotating speed; the power assembly adopts a variable frequency motor, and the linear speed of the pay-off machine can be effectively controlled through a frequency converter.
Drawings
Fig. 1 is a schematic perspective view of a telescopic driving mechanism of a pay-off machine of the present invention;
fig. 2 is a schematic view of a cross-sectional structure of a telescopic driving mechanism of a pay-off machine of the present invention;
FIG. 3 is a schematic view of a cross-sectional structure of a rotating mechanism of a telescopic driving mechanism of a pay-off machine of the present invention;
fig. 4, the utility model relates to a paying out machine structure schematic diagram.
Description of the reference numerals
1-spline shaft, 2-left seated bearing, 3-spline housing, 4-sprocket group, 5-nut, 6-thrust bearing, 7-gland, 8-rotating mechanism, 9-left spacer, 10-right spacer, 11-right seated bearing, 12-pay-off base, 13-square, 14-sliding shaft sleeve, 15-stroke limit screw, 16-locking nut, 17-rotating screw rod, 18-rotating bearing, 19-hand wheel, 20-rotating mechanism base, 21-sliding stroke groove, 22-pay-off machine telescopic driving mechanism, 23-spool and 24-power assembly.
Detailed Description
The following description of the embodiments of the present invention is provided in connection with the following embodiments:
it should be noted that the structures, ratios, sizes, etc. shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used to limit the limit conditions that the present invention can be implemented, and any modifications of the structures, changes of the ratio relationships or adjustments of the sizes should be included in the scope of the present invention without affecting the functions and the achievable purposes of the present invention.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for simplicity and clarity, and are not used to limit the scope of the present invention, and the changes or adjustments of the relative relationships thereof are also considered to be the scope of the present invention without substantial technical changes.
Example 1
As shown in fig. 1-2, the utility model discloses a flexible actuating mechanism of paying out machine, including integral key shaft 1, left side tape seat bearing 2, spline housing 3, chain wheel group 4, rotary mechanism 8 and right side tape seat bearing 11, wherein the coaxial suit of integral key shaft 1 is in spline housing 3 inboardly, left side tape seat bearing 2, chain wheel group 4 and right side tape seat bearing 11 are from a left side to the right side coaxial suit in proper order in the spline housing 3 outside, but wherein integral key shaft 1, spline housing 3 and chain wheel group 4 cooperate the same rotational speed rotation in proper order, but wherein left side tape seat bearing 2 and right side tape seat bearing 11 bottom are fixed in respectively on the unwrapping wire frame 12, integral key shaft 1 one end is equipped with square 13, wherein the integral key shaft 1 other end is connected with rotary mechanism 8, rotary mechanism 8 bottom is fixed in on unwrapping wire frame 12, wherein rotary mechanism 8 is in the same axis with.
Example 2
As shown in fig. 1-2, the utility model discloses a flexible actuating mechanism of paying out machine, including integral key shaft 1, left side tape seat bearing 2, spline housing 3, chain wheel group 4, rotary mechanism 8 and right side tape seat bearing 11, wherein the coaxial suit of integral key shaft 1 is in spline housing 3 inboardly, left side tape seat bearing 2, chain wheel group 4 and right side tape seat bearing 11 are from a left side to the right side coaxial suit in proper order in the spline housing 3 outside, but wherein integral key shaft 1, spline housing 3 and chain wheel group 4 cooperate the same rotational speed rotation in proper order, but wherein left side tape seat bearing 2 and right side tape seat bearing 11 bottom are fixed in respectively on the unwrapping wire frame 12, integral key shaft 1 one end is equipped with square 13, wherein the integral key shaft 1 other end is connected with rotary mechanism 8, rotary mechanism 8 bottom is fixed in on unwrapping wire frame 12, wherein rotary mechanism 8 is in the same axis with.
Preferably, as shown in fig. 3, the rotating mechanism 8 includes a nut 5, a thrust bearing 6, a gland 7, a sliding shaft sleeve 14, a stroke limit screw 15, a lock nut 16, a rotating screw 17, a rotating bearing 18, a hand wheel 19 and a rotating mechanism base 20, wherein the bottom of the rotating mechanism base 20 is fixed on the pay-off base 12, the sliding shaft sleeve 14 is coaxially sleeved inside the rotating mechanism base 20, wherein the top of the sliding shaft sleeve 14 is provided with a sliding stroke slot 21, the top of the rotating mechanism base 20 is provided with the stroke limit screw 15, wherein the lower end of the stroke limit screw 15 can be placed in the sliding stroke slot 21, the lock nut 16 is arranged on the stroke limit screw 15 for screwing the stroke limit screw 15, one end of the sliding shaft sleeve 14 close to the spline shaft 1 is sequentially provided with the nut 5 and the thrust bearing 6, wherein the nut 5 limits the thrust bearing 6, the part that wherein slip axle sleeve 14 is connected with nut 5 and thrust bearing 6 is installed in the downthehole of integral key shaft 1, slip axle sleeve 14 is located the hole department cover of integral key shaft 1 and is equipped with gland 7, utilizes the screw to be fixed in gland 7 at integral key shaft 1 tip, connects slip axle sleeve 14 and integral key shaft 1 on same axis, the rotatory lead screw 17 is connected to the one end that slip axle sleeve 14 kept away from integral key shaft 1, and wherein rotatory lead screw 17 other end connects hand wheel 19, and wherein rotatory lead screw 17 is close to the coaxial cover of hand wheel 19 department and is equipped with rolling bearing 18, and wherein rolling bearing 18 sets up in rotary mechanism seat 20 axial displacement not.
Example 3
As shown in fig. 1-2, the utility model discloses a flexible actuating mechanism of paying out machine, including integral key shaft 1, left side tape seat bearing 2, spline housing 3, chain wheel group 4, rotary mechanism 8 and right side tape seat bearing 11, wherein the coaxial suit of integral key shaft 1 is in spline housing 3 inboardly, left side tape seat bearing 2, chain wheel group 4 and right side tape seat bearing 11 are from a left side to the right side coaxial suit in proper order in the spline housing 3 outside, but wherein integral key shaft 1, spline housing 3 and chain wheel group 4 cooperate the same rotational speed rotation in proper order, but wherein left side tape seat bearing 2 and right side tape seat bearing 11 bottom are fixed in respectively on the unwrapping wire frame 12, integral key shaft 1 one end is equipped with square 13, wherein the integral key shaft 1 other end is connected with rotary mechanism 8, rotary mechanism 8 bottom is fixed in on unwrapping wire frame 12, wherein rotary mechanism 8 is in the same axis with.
Preferably, as shown in fig. 3, the rotating mechanism 8 includes a nut 5, a thrust bearing 6, a gland 7, a sliding shaft sleeve 14, a stroke limit screw 15, a lock nut 16, a rotating screw 17, a rotating bearing 18, a hand wheel 19 and a rotating mechanism base 20, wherein the bottom of the rotating mechanism base 20 is fixed on the pay-off base 12, the sliding shaft sleeve 14 is coaxially sleeved inside the rotating mechanism base 20, wherein the top of the sliding shaft sleeve 14 is provided with a sliding stroke slot 21, the top of the rotating mechanism base 20 is provided with the stroke limit screw 15, wherein the lower end of the stroke limit screw 15 can be placed in the sliding stroke slot 21, the lock nut 16 is arranged on the stroke limit screw 15 for screwing the stroke limit screw 15, one end of the sliding shaft sleeve 14 close to the spline shaft 1 is sequentially provided with the nut 5 and the thrust bearing 6, wherein the nut 5 limits the thrust bearing 6, the part that wherein slip axle sleeve 14 is connected with nut 5 and thrust bearing 6 is installed in the downthehole of integral key shaft 1, slip axle sleeve 14 is located the hole department cover of integral key shaft 1 and is equipped with gland 7, utilizes the screw to be fixed in gland 7 at integral key shaft 1 tip, connects slip axle sleeve 14 and integral key shaft 1 on same axis, the rotatory lead screw 17 is connected to the one end that slip axle sleeve 14 kept away from integral key shaft 1, and wherein rotatory lead screw 17 other end connects hand wheel 19, and wherein rotatory lead screw 17 is close to the coaxial cover of hand wheel 19 department and is equipped with rolling bearing 18, and wherein rolling bearing 18 sets up in rotary mechanism seat 20 axial displacement not.
Preferably, as shown in fig. 3, the sliding stroke groove 21 is opened at the top of the sliding shaft sleeve 14 along the axial direction, wherein the length of the sliding stroke groove 21 is the same as the telescopic length of the spline shaft 1.
Preferably, as shown in fig. 3, an internal thread matched with the rotary screw 17 is arranged inside one side of the sliding shaft sleeve 14 close to the rotary screw 17, and when the rotary hand wheel 19 is rotated to drive the rotary screw 17 to rotate, the sliding shaft sleeve 14 can slide left and right in the rotary mechanism seat 20.
Example 4
As shown in fig. 1-2, the utility model discloses a flexible actuating mechanism of paying out machine, including integral key shaft 1, left side tape seat bearing 2, spline housing 3, chain wheel group 4, rotary mechanism 8 and right side tape seat bearing 11, wherein the coaxial suit of integral key shaft 1 is in spline housing 3 inboardly, left side tape seat bearing 2, chain wheel group 4 and right side tape seat bearing 11 are from a left side to the right side coaxial suit in proper order in the spline housing 3 outside, but wherein integral key shaft 1, spline housing 3 and chain wheel group 4 cooperate the same rotational speed rotation in proper order, but wherein left side tape seat bearing 2 and right side tape seat bearing 11 bottom are fixed in respectively on the unwrapping wire frame 12, integral key shaft 1 one end is equipped with square 13, wherein the integral key shaft 1 other end is connected with rotary mechanism 8, rotary mechanism 8 bottom is fixed in on unwrapping wire frame 12, wherein rotary mechanism 8 is in the same axis with.
Preferably, as shown in fig. 3, the rotating mechanism 8 includes a nut 5, a thrust bearing 6, a gland 7, a sliding shaft sleeve 14, a stroke limit screw 15, a lock nut 16, a rotating screw 17, a rotating bearing 18, a hand wheel 19 and a rotating mechanism base 20, wherein the bottom of the rotating mechanism base 20 is fixed on the pay-off base 12, the sliding shaft sleeve 14 is coaxially sleeved inside the rotating mechanism base 20, wherein the top of the sliding shaft sleeve 14 is provided with a sliding stroke slot 21, the top of the rotating mechanism base 20 is provided with the stroke limit screw 15, wherein the lower end of the stroke limit screw 15 can be placed in the sliding stroke slot 21, the lock nut 16 is arranged on the stroke limit screw 15 for screwing the stroke limit screw 15, one end of the sliding shaft sleeve 14 close to the spline shaft 1 is sequentially provided with the nut 5 and the thrust bearing 6, wherein the nut 5 limits the thrust bearing 6, the part that wherein slip axle sleeve 14 is connected with nut 5 and thrust bearing 6 is installed in the downthehole of integral key shaft 1, slip axle sleeve 14 is located the hole department cover of integral key shaft 1 and is equipped with gland 7, utilizes the screw to be fixed in gland 7 at integral key shaft 1 tip, connects slip axle sleeve 14 and integral key shaft 1 on same axis, the rotatory lead screw 17 is connected to the one end that slip axle sleeve 14 kept away from integral key shaft 1, and wherein rotatory lead screw 17 other end connects hand wheel 19, and wherein rotatory lead screw 17 is close to the coaxial cover of hand wheel 19 department and is equipped with rolling bearing 18, and wherein rolling bearing 18 sets up in rotary mechanism seat 20 axial displacement not.
Preferably, as shown in fig. 3, the sliding stroke groove 21 is opened at the top of the sliding shaft sleeve 14 along the axial direction, wherein the length of the sliding stroke groove 21 is the same as the telescopic length of the spline shaft 1.
Preferably, as shown in fig. 3, an internal thread matched with the rotary screw 17 is arranged inside one side of the sliding shaft sleeve 14 close to the rotary screw 17, and when the rotary hand wheel 19 is rotated to drive the rotary screw 17 to rotate, the sliding shaft sleeve 14 can slide left and right in the rotary mechanism seat 20.
Preferably, as shown in fig. 1 to 2, a left spacer 9 is coaxially sleeved on the outer side of the spline housing 3 between the left seated bearing 2 and the sprocket set 4, and a right spacer 10 is coaxially sleeved on the outer side of the spline housing 3 between the sprocket set 4 and the right seated bearing 11.
Preferably, spline shaft 1 and spline housing 3 pass through involute spline fit, and wherein sprocket group 4 and spline housing 3 pass through flat key fit, but spline shaft 1, spline housing 3 and sprocket group 4 same rotational speed rotate promptly.
Example 5
As shown in fig. 1-2, the utility model discloses a flexible actuating mechanism of paying out machine, including integral key shaft 1, left side tape seat bearing 2, spline housing 3, chain wheel group 4, rotary mechanism 8 and right side tape seat bearing 11, wherein the coaxial suit of integral key shaft 1 is in spline housing 3 inboardly, left side tape seat bearing 2, chain wheel group 4 and right side tape seat bearing 11 are from a left side to the right side coaxial suit in proper order in the spline housing 3 outside, but wherein integral key shaft 1, spline housing 3 and chain wheel group 4 cooperate the same rotational speed rotation in proper order, but wherein left side tape seat bearing 2 and right side tape seat bearing 11 bottom are fixed in respectively on the unwrapping wire frame 12, integral key shaft 1 one end is equipped with square 13, wherein the integral key shaft 1 other end is connected with rotary mechanism 8, rotary mechanism 8 bottom is fixed in on unwrapping wire frame 12, wherein rotary mechanism 8 is in the same axis with.
Preferably, as shown in fig. 3, the rotating mechanism 8 includes a nut 5, a thrust bearing 6, a gland 7, a sliding shaft sleeve 14, a stroke limit screw 15, a lock nut 16, a rotating screw 17, a rotating bearing 18, a hand wheel 19 and a rotating mechanism base 20, wherein the bottom of the rotating mechanism base 20 is fixed on the pay-off base 12, the sliding shaft sleeve 14 is coaxially sleeved inside the rotating mechanism base 20, wherein the top of the sliding shaft sleeve 14 is provided with a sliding stroke slot 21, the top of the rotating mechanism base 20 is provided with the stroke limit screw 15, wherein the lower end of the stroke limit screw 15 can be placed in the sliding stroke slot 21, the lock nut 16 is arranged on the stroke limit screw 15 for screwing the stroke limit screw 15, one end of the sliding shaft sleeve 14 close to the spline shaft 1 is sequentially provided with the nut 5 and the thrust bearing 6, wherein the nut 5 limits the thrust bearing 6, the part that wherein slip axle sleeve 14 is connected with nut 5 and thrust bearing 6 is installed in the downthehole of integral key shaft 1, slip axle sleeve 14 is located the hole department cover of integral key shaft 1 and is equipped with gland 7, utilizes the screw to be fixed in gland 7 at integral key shaft 1 tip, connects slip axle sleeve 14 and integral key shaft 1 on same axis, the rotatory lead screw 17 is connected to the one end that slip axle sleeve 14 kept away from integral key shaft 1, and wherein rotatory lead screw 17 other end connects hand wheel 19, and wherein rotatory lead screw 17 is close to the coaxial cover of hand wheel 19 department and is equipped with rolling bearing 18, and wherein rolling bearing 18 sets up in rotary mechanism seat 20 axial displacement not.
Preferably, as shown in fig. 3, the sliding stroke groove 21 is opened at the top of the sliding shaft sleeve 14 along the axial direction, wherein the length of the sliding stroke groove 21 is the same as the telescopic length of the spline shaft 1.
Preferably, as shown in fig. 3, an internal thread matched with the rotary screw 17 is arranged inside one side of the sliding shaft sleeve 14 close to the rotary screw 17, and when the rotary hand wheel 19 is rotated to drive the rotary screw 17 to rotate, the sliding shaft sleeve 14 can slide left and right in the rotary mechanism seat 20.
Preferably, as shown in fig. 1 to 2, a left spacer 9 is coaxially sleeved on the outer side of the spline housing 3 between the left seated bearing 2 and the sprocket set 4, and a right spacer 10 is coaxially sleeved on the outer side of the spline housing 3 between the sprocket set 4 and the right seated bearing 11.
Preferably, spline shaft 1 and spline housing 3 pass through involute spline fit, and wherein sprocket group 4 and spline housing 3 pass through flat key fit, but spline shaft 1, spline housing 3 and sprocket group 4 same rotational speed rotate promptly.
Preferably, as shown in fig. 4, the paying-off machine comprises the paying-off machine telescopic driving mechanisms 22 as described above, wherein the paying-off machine telescopic driving mechanisms 22 are two groups, and further comprises spools 23, a paying-off machine base 12 and power assemblies 24, wherein the two groups of paying-off machine telescopic driving mechanisms 22 are respectively fixed on two sides of the top of the paying-off machine base 12, the spools 23 are arranged in the middle of the paying-off machine base 12, square block holes are formed in two sides of the spools 23 and can be matched with the square blocks 13, the power assemblies are fixed on the lower portion of the paying-off machine base 12, the positions of the power assemblies 24 and the positions of the paying-off machine telescopic driving mechanisms 22 correspond, the power assemblies 24 drive the chain wheel sets 4 to rotate through chains, then the spline housing 3 and the spline shaft 1 are driven to rotate together, and the spline.
Preferably, the power assembly 24 adopts a variable frequency motor, and the constant linear velocity of the spool 23 is ensured by adjusting a frequency converter, and the chain is annularly sleeved between the variable frequency motor and the chain wheel set 4.
Example 6
As shown in fig. 1-2, the utility model discloses a flexible actuating mechanism of paying out machine, including integral key shaft 1, left side tape seat bearing 2, spline housing 3, chain wheel group 4, rotary mechanism 8 and right side tape seat bearing 11, wherein the coaxial suit of integral key shaft 1 is in spline housing 3 inboardly, left side tape seat bearing 2, chain wheel group 4 and right side tape seat bearing 11 are from a left side to the right side coaxial suit in proper order in the spline housing 3 outside, but wherein integral key shaft 1, spline housing 3 and chain wheel group 4 cooperate the same rotational speed rotation in proper order, but wherein left side tape seat bearing 2 and right side tape seat bearing 11 bottom are fixed in respectively on the unwrapping wire frame 12, integral key shaft 1 one end is equipped with square 13, wherein the integral key shaft 1 other end is connected with rotary mechanism 8, rotary mechanism 8 bottom is fixed in on unwrapping wire frame 12, wherein rotary mechanism 8 is in the same axis with.
Preferably, as shown in fig. 3, the rotating mechanism 8 includes a nut 5, a thrust bearing 6, a gland 7, a sliding shaft sleeve 14, a stroke limit screw 15, a lock nut 16, a rotating screw 17, a rotating bearing 18, a hand wheel 19 and a rotating mechanism base 20, wherein the bottom of the rotating mechanism base 20 is fixed on the pay-off base 12, the sliding shaft sleeve 14 is coaxially sleeved inside the rotating mechanism base 20, wherein the top of the sliding shaft sleeve 14 is provided with a sliding stroke slot 21, the top of the rotating mechanism base 20 is provided with the stroke limit screw 15, wherein the lower end of the stroke limit screw 15 can be placed in the sliding stroke slot 21, the lock nut 16 is arranged on the stroke limit screw 15 for screwing the stroke limit screw 15, one end of the sliding shaft sleeve 14 close to the spline shaft 1 is sequentially provided with the nut 5 and the thrust bearing 6, wherein the nut 5 limits the thrust bearing 6, the part that wherein slip axle sleeve 14 is connected with nut 5 and thrust bearing 6 is installed in the downthehole of integral key shaft 1, slip axle sleeve 14 is located the hole department cover of integral key shaft 1 and is equipped with gland 7, utilizes the screw to be fixed in gland 7 at integral key shaft 1 tip, connects slip axle sleeve 14 and integral key shaft 1 on same axis, the rotatory lead screw 17 is connected to the one end that slip axle sleeve 14 kept away from integral key shaft 1, and wherein rotatory lead screw 17 other end connects hand wheel 19, and wherein rotatory lead screw 17 is close to the coaxial cover of hand wheel 19 department and is equipped with rolling bearing 18, and wherein rolling bearing 18 sets up in rotary mechanism seat 20 axial displacement not.
Preferably, as shown in fig. 3, the sliding stroke groove 21 is opened at the top of the sliding shaft sleeve 14 along the axial direction, wherein the length of the sliding stroke groove 21 is the same as the telescopic length of the spline shaft 1.
Preferably, as shown in fig. 3, an internal thread matched with the rotary screw 17 is arranged inside one side of the sliding shaft sleeve 14 close to the rotary screw 17, and when the rotary hand wheel 19 is rotated to drive the rotary screw 17 to rotate, the sliding shaft sleeve 14 can slide left and right in the rotary mechanism seat 20.
Preferably, as shown in fig. 1 to 2, a left spacer 9 is coaxially sleeved on the outer side of the spline housing 3 between the left seated bearing 2 and the sprocket set 4, and a right spacer 10 is coaxially sleeved on the outer side of the spline housing 3 between the sprocket set 4 and the right seated bearing 11.
Preferably, spline shaft 1 and spline housing 3 pass through involute spline fit, and wherein sprocket group 4 and spline housing 3 pass through flat key fit, but spline shaft 1, spline housing 3 and sprocket group 4 same rotational speed rotate promptly.
Preferably, as shown in fig. 4, the paying-off machine comprises the paying-off machine telescopic driving mechanisms 22 as described above, wherein the paying-off machine telescopic driving mechanisms 22 are two groups, and further comprises spools 23, a paying-off machine base 12 and power assemblies 24, wherein the two groups of paying-off machine telescopic driving mechanisms 22 are respectively fixed on two sides of the top of the paying-off machine base 12, the spools 23 are arranged in the middle of the paying-off machine base 12, square block holes are formed in two sides of the spools 23 and can be matched with the square blocks 13, the power assemblies are fixed on the lower portion of the paying-off machine base 12, the positions of the power assemblies 24 and the positions of the paying-off machine telescopic driving mechanisms 22 correspond, the power assemblies 24 drive the chain wheel sets 4 to rotate through chains, then the spline housing 3 and the spline shaft 1 are driven to rotate together, and the spline.
Preferably, the power assembly 24 adopts a variable frequency motor, and the constant linear velocity of the spool 23 is ensured by adjusting a frequency converter, and the chain is annularly sleeved between the variable frequency motor and the chain wheel set 4.
Preferably, the method for driving the pay-off machine comprises the following steps:
step 1) respectively fixing two sets of paying-off machine telescopic driving mechanisms 22 on two sides of the top of a paying-off machine base 12, then contracting the two sets of paying-off machine telescopic driving mechanisms 22, and placing a spool 23 in the middle of the paying-off machine base 12;
step 2) manually rotating the rotating mechanism 8 to extend the spline shafts 1 of the two sets of paying-off machine telescopic driving mechanisms 22, so that square blocks 13 at the front ends of the spline shafts 1 are inserted into square holes at two sides of the spool 23;
step 3) connecting the power assembly 24 with the chain wheel set 4 through a chain, wherein the chain is annularly sleeved between the power assembly 24 and the chain wheel set 4, starting the power assembly 24, the power assembly 24 drives the chain wheel set 4 to rotate, then the spline housing 3 and the spline shaft 1 are driven to rotate together, and the spline shaft 1 enables the I-shaped wheel 23 to rotate at the same rotating speed to perform paying-off operation;
and 4) after the steel wire is completely wound on the spool 23, closing the power assembly 24, manually rotating the rotating mechanism 8, enabling the pay-off machine telescopic driving mechanism 22 to contract, enabling the square blocks 13 of the spline shaft 1 to be separated from the square block holes of the spool 23, taking down the empty spool 23 through the crane, and replacing the empty spool 23 with the spool 23 wound with the steel wire.
The left side of the chain wheel set 4 is provided with a left side spacer 9, the right side of the chain wheel set 4 is provided with a right side spacer 10, the right side of the right side spacer 10 is close to a right bearing with a seat 11, the right bearing with the seat 11 is arranged on the spline housing 3, a shaft check ring is arranged, and the left side spacer 9 and the right side spacer 10 are used for limiting the axial position of the chain wheel set 4 and do not slide left and right.
The bottom of the left belt seat bearing 2 and the bottom of the right belt seat bearing 11 are respectively fixed on the pay-off machine base 12, and when the chain wheel group 4 drives the spline housing 3 and the spline shaft 1 to rotate, the left belt seat bearing 2 and the right belt seat bearing 11 play a role in supporting the spline housing 3 and the spline shaft 1 and do not block the rotation of the spline housing and the spline shaft 1.
The square block at one end of the spline shaft 1 is matched with the square block hole of the spool 23, and does not rotate relatively.
The thrust bearing 6 is sleeved at one end of the sliding shaft sleeve 14, the end of the sliding shaft sleeve 14 is limited through the nut 5, the part, provided with the nut 5 and the thrust bearing 6, of the sliding shaft sleeve 14 is located in the hole of the spline shaft 1, and when the spline shaft 1 rotates, the sliding shaft sleeve 14 can be still.
The sliding shaft sleeve 14 is close to the thrust bearing 6 and is positioned outside the hole of the spline shaft 1, the gland 7 is sleeved on the sliding shaft sleeve, the screw is used for fixing the gland 7 at the end part of the spline shaft 1, when the sliding shaft sleeve 14 is recovered, the tension is uniformly distributed on the gland 7, the structure is reliable in installation, and the phenomenon that the sliding shaft sleeve 14 is separated from the spline shaft 1 cannot occur.
The working principle of the utility model is as follows:
as shown in fig. 1-3, the utility model discloses integral key shaft 1 and spline housing 3 pass through involute spline fit, spline housing 3 passes through flat key cooperation with sprocket group 4, consequently, when power component drives sprocket group 4 and rotates, integral key shaft 1 follows and rotates together, wherein left rolling bearing 2 and right rolling bearing 11 play the effect of bearing spline housing 3 and integral key shaft 1 and do not hinder its rotation, integral key shaft 1 one end is equipped with square 13, cooperate with the square hole of i-shaped wheel 23, integral key shaft 1 other end connection slip axle sleeve 14, slip axle sleeve 14 other end connects rotatory lead screw 17, rotatory lead screw 17 other end connection hand wheel 19, do linear motion with integral key shaft 1 and turn into the rotary motion of hand wheel 19, can reduce operator intensity of labour, can drive the square 13 of integral key shaft 1 and insert or break away from the square hole of i-shaped wheel 23 through rotating hand wheel 19; during specific operation, the power assembly 24 is started firstly, the power assembly 24 drives the chain wheel set 4 to rotate, then the spline housing 3 and the spline shaft 1 are driven to rotate together, and the spline shaft 1 enables the I-shaped wheel 23 to rotate at the same rotating speed, so that paying-off operation is performed; after the steel wire is completely placed on the spool 23, the power assembly 24 is closed, the rotating mechanism 8 is manually rotated, the paying-off machine telescopic driving mechanism 22 is contracted, the square block 13 of the spline shaft 1 can be separated from the square block hole of the spool 23, the empty spool 23 is taken down by the crane and replaced by the spool 23 which is fully wound with the steel wire, the paying-off machine telescopic driving mechanism has the advantages that the telescopic operation is simple, the spool is easily replaced, the rotating mechanism is converted into linear motion, and the labor intensity of an operator is greatly reduced; the utility model discloses the flexible actuating mechanism of paying out machine overall dimension is little, and the quality is light, can convenient installation on the unwrapping wire frame, practices thrift the space.
The utility model discloses be provided with the stroke groove of sliding on the axle sleeve that slides, wherein the length in stroke groove of sliding is the same with the flexible length of integral key shaft, consequently can confirm the biggest stroke of integral key shaft, set up the biggest stroke left of integral key shaft into the square of integral key shaft and the best size of spool complex, consequently can not cause the square of integral key shaft and the square jogged joint of spool to be overdue or cross owed, avoid the wearing and tearing of integral key shaft and spool or the problem of droing of spool, avoided the paying out machine trouble, improved work efficiency.
The sliding shaft sleeve and the spline shaft are connected by the nut and the gland, when the sliding shaft sleeve is recovered, the pulling force is uniformly distributed on the gland, the structure is reliably installed, and the phenomenon that the sliding shaft sleeve is separated from the spline shaft can not occur; in addition, the sliding shaft sleeve is connected with the spline shaft through a thrust bearing, and when the spline shaft rotates, the sliding shaft sleeve can be still.
The spline shaft and the spline housing of the utility model are matched through the involute spline, and the chain wheel group and the spline housing are matched through the flat key, namely, the spline shaft, the spline housing and the chain wheel rotate at the same rotating speed; the power assembly adopts a variable frequency motor, and the linear speed of the pay-off machine can be effectively controlled through a frequency converter.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (8)
1. The utility model provides a flexible actuating mechanism of paying out machine which characterized in that: comprises a spline shaft (1), a left bearing with a seat (2), a spline housing (3), a chain wheel group (4), a rotating mechanism (8) and a right bearing with a seat (11), wherein the spline shaft (1) is coaxially sleeved on the inner side of the spline housing (3), the left bearing with seat (2), the chain wheel set (4) and the right bearing with seat (11) are sequentially coaxially sleeved on the outer side of the spline housing (3) from left to right, wherein the spline shaft (1), the spline housing (3) and the chain wheel set (4) are sequentially matched and can rotate at the same rotating speed, wherein the bottoms of the left belt seat bearing (2) and the right belt seat bearing (11) are respectively fixed on a pay-off machine base (12), one end of the spline shaft (1) is provided with a square block (13), wherein the other end of the spline shaft (1) is connected with a rotating mechanism (8), the bottom of the rotating mechanism (8) is fixed on a pay-off base (12), wherein the rotating mechanism (8) and the shaft center of the spline shaft (1) are positioned on the same axis.
2. The telescopic driving mechanism of the pay-off machine as claimed in claim 1, wherein: the rotating mechanism (8) comprises a nut (5), a thrust bearing (6), a gland (7), a sliding shaft sleeve (14), a stroke limit screw (15), a locking nut (16), a rotating lead screw (17), a rotating bearing (18), a hand wheel (19) and a rotating mechanism seat (20), wherein the bottom of the rotating mechanism seat (20) is fixed on the pay-off machine base (12), the sliding shaft sleeve (14) is coaxially sleeved on the inner side of the rotating mechanism seat (20), a sliding stroke groove (21) is formed in the top of the sliding shaft sleeve (14), the stroke limit screw (15) is installed on the top of the rotating mechanism seat (20), the lower end of the stroke limit screw (15) can be placed in the sliding stroke groove (21), the locking nut (16) is arranged on the stroke limit screw (15) and used for screwing the stroke limit screw (15), the nut (5) and the thrust bearing (6) are sequentially arranged at one end, close to the spline shaft (1), wherein the nut (5) is spacing on the axle sleeve (14) that slides with thrust bearing (6), and wherein the part that axle sleeve (14) that slides is connected with nut (5) and thrust bearing (6) is installed in the downthehole of integral key shaft (1), the department cover is equipped with gland (7) outside the hole that axle sleeve (14) is located integral key shaft (1) that slides, utilizes the screw to be fixed in gland (7) in integral key shaft (1) tip, will slide axle sleeve (14) and integral key shaft (1) and connect on same axis, rotatory lead screw (17) is connected to the one end that integral key shaft (1) was kept away from in slide axle sleeve (14), and wherein rotatory lead screw (17) other end connection hand wheel (19), and wherein rotatory lead screw (17) are close to the coaxial cover of hand wheel (19) department and are equipped with rolling bearing (18), and wherein rolling bearing (18) set.
3. The telescopic driving mechanism of the pay-off machine as claimed in claim 2, wherein: the sliding stroke groove (21) is axially arranged at the top of the sliding shaft sleeve (14), wherein the length of the sliding stroke groove (21) is the same as the telescopic length of the spline shaft (1).
4. The telescopic driving mechanism of the pay-off machine as claimed in claim 2, wherein: the inner part of one side, close to the rotary lead screw (17), of the sliding shaft sleeve (14) is provided with an internal thread matched with the rotary lead screw (17), when the rotary hand wheel (19) is rotated to drive the rotary lead screw (17) to rotate, the sliding shaft sleeve (14) can slide left and right in the rotary mechanism seat (20).
5. The telescopic driving mechanism of the pay-off machine as claimed in claim 1, wherein: the outer side of the spline housing (3) between the left belt seat bearing (2) and the chain wheel set (4) is coaxially sleeved with a left spacer sleeve (9), and the outer side of the spline housing (3) between the chain wheel set (4) and the right belt seat bearing (11) is coaxially sleeved with a right spacer sleeve (10).
6. The telescopic driving mechanism of the pay-off machine as claimed in claim 1, wherein: spline shaft (1) and spline housing (3) pass through involute spline fit, and wherein chain wheel group (4) and spline housing (3) pass through flat key fit, but spline shaft (1), spline housing (3) and chain wheel group (4) same rotational speed rotate promptly.
7. A paying-off machine is characterized by comprising the paying-off machine telescopic driving mechanisms (22) as claimed in any one of claims 1 to 6, wherein the paying-off machine telescopic driving mechanisms (22) are divided into two groups, the paying-off machine telescopic driving mechanisms further comprise I-shaped wheels (23), a paying-off machine base (12) and power assemblies (24), the two groups of paying-off machine telescopic driving mechanisms (22) are respectively fixed on two sides of the top of the paying-off machine base (12), the I-shaped wheels (23) are arranged in the middle of the paying-off machine base (12), square block holes are formed in two sides of the I-shaped wheels (23) and can be matched with the square blocks (13), the power assemblies are fixed on the lower portion of the paying-off machine base (12), the power assemblies (24) correspond to the positions of the paying-off machine telescopic driving mechanisms (22), the power assemblies (24) drive a chain wheel set (4) to rotate through chains, the spline shaft (1) enables the I-shaped wheel (23) to rotate at the same rotating speed.
8. The paying-off machine according to claim 7, characterized in that: the power assembly (24) adopts a variable frequency motor, the constant linear speed of the spool (23) is ensured by adjusting a frequency converter, and the chain is annularly sleeved between the variable frequency motor and the chain wheel set (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021014288.5U CN212450088U (en) | 2020-06-05 | 2020-06-05 | Paying-off machine and paying-off machine telescopic driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021014288.5U CN212450088U (en) | 2020-06-05 | 2020-06-05 | Paying-off machine and paying-off machine telescopic driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212450088U true CN212450088U (en) | 2021-02-02 |
Family
ID=74492007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021014288.5U Active CN212450088U (en) | 2020-06-05 | 2020-06-05 | Paying-off machine and paying-off machine telescopic driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212450088U (en) |
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2020
- 2020-06-05 CN CN202021014288.5U patent/CN212450088U/en active Active
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