Traction device applied to flaring pipe
By designing multiple sets of symmetrically distributed traction mechanisms and sensor-controlled drive mechanisms, the problem that expanded corrugated pipes cannot be clamped and pulled at the same time is solved, and an efficient and stable pipe pulling process is achieved to meet the needs of pipes with different diameters.
Patent Information
- Application Number
- CN202422935249.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-28
AI Technical Summary
In the prior art, the pulling equipment for expanding the pipe cannot simultaneously clamp the pipe position and the expanding position, resulting in low pulling efficiency, inability to adapt to large-scale production, and increased labor costs.
A traction device for flared pipes is designed, which includes multiple traction mechanisms and drive mechanisms. The flaring position is sensed by sensors, and the drive mechanism is controlled to avoid the flaring position to achieve automatic air avoidance. Multiple symmetrically distributed traction mechanisms are used to evenly clamp the pipe to improve traction efficiency.
It achieves continuous clamping and pulling while avoiding pipe expansion, improves work efficiency, saves labor, adapts to pipes of different diameters, has uniform force, and stabilizes the pulling process.
Smart Images
Figure CN223444540U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipe material traction equipment technical field more specifically, it relates to a kind of traction device applied to flared pipe. BACKGROUND
[0002] The traction of corrugated pipe on the market is realized by using belt traction machine or ordinary track-type tractor, if the corrugated pipe to be pulled has flared, ordinary tractor cannot clamp pipe material position and flared position simultaneously and carry out traction operation. Since there is lack of special traction equipment for pipe material with flared on the market, only ordinary pipe material traction mechanism can be used, which leads to low efficiency of pipe material working operation, cannot adapt to mass production operation, and increases labor cost. SUMMARY
[0003] The utility model aims at overcoming the deficiency that pipe material with flared cannot be avoided in the prior art, and provides a kind of traction device applied to flared pipe, which can clamp and pull pipe material continuously while avoiding flared pipe, and improve traction efficiency.
[0004] To solve the above technical problems, the utility model adopts the technical scheme of:
[0005] A kind of traction device applied to flared pipe is provided, comprising first mounting frame, two groups or more traction mechanisms and driving mechanism for driving traction mechanism to approach or move away from each other, the driving mechanism is installed on the first mounting frame, the traction mechanism is connected with the driving mechanism, the traction mechanism clamps pipe material, and the driving direction of the traction mechanism is the same.
[0006] The traction device applied to flared pipe of the utility model, when pulling pipe material, two or more traction devices are placed along a straight line, pipe material is moved to the traction mechanism, the driving mechanism in two or more traction devices drives the traction mechanism to clamp pipe material, the traction mechanism drives pipe material to move, when the flared position of pipe material moves to the traction mechanism of a traction device, the driving mechanism of the traction device drives the traction mechanism to move away from each other, and pipe material is loosened, to avoid the flared position of pipe material, the traction mechanism of other traction device continues to pull pipe material, so that pipe material can be clamped and pulled continuously while avoiding flared pipe, and working efficiency is improved.
[0007] Further, it further includes controller and sensor for sensing the flared position of pipe material, the sensor is installed on the first mounting frame, the sensor is connected with the controller, and the controller is connected with the driving mechanism. When the sensor senses that the flared pipe reaches in front of the traction mechanism, signal is transmitted to the controller, the controller controls the driving mechanism to drive the traction mechanism to move away from each other, to avoid the flared position of pipe material, realize automatic avoidance of flared pipe, save labor, and improve working efficiency.
[0008] Further, the traction mechanism includes a first traction mechanism, a second traction mechanism and a third traction mechanism, the driving mechanism includes a first telescopic mechanism, a second telescopic mechanism and a third telescopic mechanism, the first telescopic mechanism, the second telescopic mechanism and the third telescopic mechanism are installed on the first mounting frame, the first traction mechanism, the second traction mechanism and the third traction mechanism are connected with the output ends of the first telescopic mechanism, the second telescopic mechanism and the third telescopic mechanism respectively, and the first traction mechanism, the second traction mechanism and the third traction mechanism are centrally symmetrically distributed. The pipe is moved to between the three groups of traction mechanisms, the telescopic amounts of the first telescopic mechanism, the second telescopic mechanism and the third telescopic mechanism are adjusted, until the first traction mechanism, the second traction mechanism and the third traction mechanism clamp the pipe, because the three groups of traction mechanisms are axially symmetrically distributed, the axis of the pipe coincides with the symmetric axis of the traction mechanism, so that the pipe is uniformly stressed, and the traction process is more stable.
[0009] Further, the first telescopic mechanism includes a second mounting frame, a first lifting mechanism and a first cylinder, the second mounting frame is installed on the first mounting frame, the first lifting mechanism is installed on the second mounting frame, the output end of the first lifting mechanism is connected with the first cylinder, and the first traction mechanism is fixedly connected with the output end of the first cylinder. According to the diameter size of the pipe, the first lifting mechanism, the second telescopic mechanism and the third telescopic mechanism are adjusted, so that the pipe can pass through the traction device, when the pipe moves to between the traction mechanisms, the first cylinder, the second telescopic mechanism and the third telescopic mechanism drive the three groups of traction mechanisms to move to the pipe until the pipe is pressed, when the pipe is expanded and moved to the front of the traction mechanism, the first cylinder, the second telescopic mechanism and the third telescopic mechanism drive the three groups of traction mechanisms to move away from the pipe, so that the space is avoided.
[0010] Further, the first lifting mechanism includes a first motor, a first screw rod and a first guide mechanism, one end of the first screw rod is fixedly connected with the output end of the first motor, the other end is rotationally connected with the first cylinder, the first guide mechanism is installed on the second mounting frame, the first guide mechanism is connected with the first traction mechanism, the second mounting frame is provided with a motor guide piece for limiting rotation of the first motor, the first motor is slidably connected with the motor guide piece, the second mounting frame is provided with a screw hole, and the first screw rod is connected with the screw hole in a threaded mode. When the first lifting mechanism works, the first motor drives the first screw rod to rotate, the external threads of the first screw rod and the internal threads of the screw hole interact, so that the first screw rod moves and drives the first traction mechanism to move, and the first guide mechanism prevents the first traction mechanism from rotating during movement, so that the movement of the first traction mechanism is more stable.
[0011] Further, the second telescopic mechanism comprises a third mounting frame, a second lifting mechanism and a second cylinder, the third telescopic mechanism comprises a fourth mounting frame, a third lifting mechanism and a third cylinder; the second lifting mechanism is mounted on the third mounting frame, and the third lifting mechanism is mounted on the fourth mounting frame; the output end of the second telescopic mechanism is connected with the second cylinder, the second traction mechanism is connected with the output end of the second cylinder, the output end of the third telescopic mechanism is fixedly connected with the third cylinder, and the third traction mechanism is fixedly connected with the output end of the third cylinder. According to the diameter of the pipe, the first lifting mechanism, the second lifting mechanism and the third lifting mechanism are adjusted, so that the pipe can pass through the traction device, when the pipe moves between the traction mechanisms, the first cylinder, the second cylinder and the third cylinder drive the three groups of traction mechanisms to move to the pipe until the pipe is compressed, when the pipe is expanded and moves in front of the traction mechanisms, the first cylinder, the second cylinder and the third cylinder return to the original position, and the three groups of traction mechanisms are driven away from the pipe, so that the space is avoided.
[0012] Further, the second lifting mechanism comprises a second motor, a first transmission mechanism, a second guide mechanism and a first worm screw lifter, the third lifting mechanism comprises a second transmission mechanism, a third guide mechanism and a second worm screw lifter, one end of the first transmission mechanism is connected with the output end of the second motor, the other end is connected with the input end of the first worm screw lifter, one end of the second transmission mechanism is connected with the output end of the first transmission mechanism, the other end is connected with the input end of the second worm screw lifter, the output end of the first worm screw lifter is connected with the second cylinder, and the output end of the second worm screw lifter is connected with the third cylinder; the second guide mechanism is mounted on the third mounting frame, the third guide mechanism is mounted on the fourth mounting frame, the second guide mechanism is connected with the second traction mechanism, and the third guide mechanism is connected with the third traction mechanism. When the second lifting mechanism and the third lifting mechanism work, the second motor drives the first worm screw lifter to move through the first transmission mechanism, so that the second traction mechanism moves, and the second guide mechanism prevents the second traction mechanism from rotating; the second motor drives the second worm screw lifter to move through the first transmission mechanism and the second transmission mechanism, so that the third traction mechanism moves, and the third guide mechanism prevents the third traction mechanism from rotating; only one second motor is needed to drive the second traction mechanism and the third traction mechanism to move at the same time.
[0013] Further, the first transmission mechanism comprises a first sprocket, a second sprocket, a third sprocket and a first chain, the second transmission mechanism comprises a second chain, a fourth sprocket and a fifth sprocket, the first sprocket is fixedly connected with the output end of the second motor, the first sprocket and the second sprocket are inscribed in the first chain, the shaft center of the third sprocket is fixedly connected with the shaft center of the second sprocket, the third sprocket is connected with the input end of the first worm screw rod elevator, the third sprocket and the fourth sprocket are inscribed in the second chain, the shaft center of the fifth sprocket is fixedly connected with the shaft center of the fourth sprocket, and the fifth sprocket is connected with the input end of the second worm screw rod elevator. When the second lifting mechanism and the third lifting mechanism work, the second motor drives the first sprocket to rotate, drives the first chain to rotate, drives the coaxial second sprocket and third sprocket to rotate, drives the first worm screw rod elevator to run through the third sprocket, drives the second chain to rotate through the third sprocket, drives the coaxial fourth sprocket and fifth sprocket to rotate through the second chain, and drives the second worm screw rod elevator to run through the fifth sprocket; the second motor drives the first worm screw rod elevator and the second worm screw rod elevator to run through chain transmission, and the transmission power is large, the efficiency is high, the transmission ratio is stable, and the overload capacity is strong.
[0014] Further, the traction mechanism comprises a shell, a third motor, a driving wheel, a driven wheel and a track assembly, the driving wheel and the driven wheel are rotatably connected with the shell, the driving mechanism is connected with the shell, the third motor is installed on the shell, the output end of the third motor is fixedly connected with the driving wheel, the driving wheel and the driven wheel are inscribed in the track assembly, and the shell is provided with an opening, and the track assembly passes through the opening. When the traction mechanism works, the third motor drives the driving wheel to rotate, drives the track assembly and the driven wheel to rotate, the track assembly is pressed against the pipe, and the track assembly drives the pipe to move through friction.
[0015] Further, the driving wheel and the driven wheel are sprockets, the track assembly comprises a third chain and anti-skid blocks, the driving wheel and the driven wheel are engaged with the third chain, the anti-skid blocks are uniformly distributed on the outer side of the third chain, and the anti-skid blocks pass through the opening. When the traction mechanism works, the third motor drives the driving wheel to rotate, drives the third chain and the driven wheel to rotate, the third chain drives the anti-skid blocks to move along the third chain, the anti-skid blocks are pressed against the pipe, and the anti-skid blocks drive the pipe to move through friction.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] The utility model discloses a traction device for flared pipe material: 1, when pipe material flaring reaches the front of the traction mechanism of a traction device, the drive mechanism drives the traction mechanism to be far away from each other, to avoid the pipe material flaring, and other traction devices continue to clamp and pull the pipe material, improve the traction efficiency, 2, every traction device is equipped with three groups of symmetrical traction mechanism, make the pipe material stress even, and move stably, 3, through the adjustment first elevating system, second elevating system and third elevating system, can make the traction device adapt to the pipe material of different diameters, 4, the transmission of second motor through first transmission mechanism and second transmission mechanism can drive two groups of traction mechanism to move simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structure schematic drawing of the utility model's traction device for flared pipe material;
[0019] Figure 2 It is the structure schematic drawing of the utility model's traction device for flared pipe material before pipe material flaring reaches the traction mechanism;
[0020] Figure 3 It is the structure schematic drawing of the utility model's traction device for flared pipe material after pipe material flaring reaches the traction mechanism;
[0021] Figure 4 It is the structure schematic drawing of the utility model's first telescopic mechanism of traction device for flared pipe material;
[0022] Figure 5 It is the structure schematic drawing of the utility model's second telescopic mechanism of traction device for flared pipe material;
[0023] Figure 6 It is the structure schematic drawing of the utility model's second transmission mechanism of traction device for flared pipe material;
[0024] In the drawings: 1, driving mechanism; 11, first telescopic mechanism; 111, first lifting mechanism; 1111, first motor; 1112, first screw rod; 112, first cylinder; 113, first guide mechanism; 1131, first guide shaft; 1132, first limit sleeve; 1133, first cylinder guide mechanism; 114, second mounting frame; 1141, motor guide; 12, second telescopic mechanism; 121, second lifting mechanism; 1211, second motor; 1212, first worm gear screw rod lifter; 122, second cylinder; 123, second guide mechanism; 1231, second guide shaft; 1232, second cylinder guide mechanism; 124, third mounting frame; 125, first transmission mechanism; 1251, first sprocket; 1252, second sprocket; 1253, third sprocket; 1254, first tension pulley; 1255, first chain; 126, second transmission mechanism; 1261, fourth sprocket; 1262, fifth sprocket; 1263, second tension pulley; 1264, second chain; 13, third telescopic mechanism; 131, third lifting mechanism; 1311, second worm gear screw rod lifter; 132, third cylinder; 133, third guide mechanism; 134, fourth mounting frame; 2, traction mechanism; 21, first traction mechanism; 211, third motor; 212, track assembly; 2121, third chain; 2122, anti-skid block; 213, shell; 22, second traction mechanism; 23, third traction mechanism; 3, first mounting frame; 31, sensor; 4, pipe. DETAILED DESCRIPTION
[0025] The utility model will be further explained in connection with specific implementation. Among them, the drawings are only for example explanation, and the representation is only schematic diagram, and can not be understood as the limitation of the patent; in order to better illustrate the embodiment of the utility model, some components of the drawings are omitted, enlarged or reduced, and the size of actual product is not represented; for those skilled in the art, some well-known structure and its description in the drawings can be omitted.
[0026] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and the indicated device or element must have a particular orientation, a particular orientation and operation, therefore the position relationship description in the drawings is only for example explanation, and can not be understood as the limitation of the patent, for the ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.
[0027] Embodiment one
[0028] As Figures 1 to 6 The traction device applied to the flared pipe 4 comprises a first mounting frame 3, two or more traction mechanisms 2 and a driving mechanism 1 used for driving the traction mechanisms 2 to approach or move away from each other, the driving mechanism 1 is installed on the first mounting frame 3, the traction mechanisms 2 are connected with the driving mechanism 1, the traction mechanisms 2 clamp the pipe 4, the driving directions of the traction mechanisms 2 are the same, and the driving directions are the same as the axis of the pipe 4.
[0029] The traction device applied to the flared pipe 4, when the pipe 4 is pulled, two or more traction devices are placed along a straight line, the pipe 4 is moved to between the traction mechanisms 2, the driving mechanism 1 of the two or more traction devices drives the traction mechanisms 2 to clamp the pipe 4, the traction mechanisms 2 drive the pipe 4 to move, as shown in Figure 2 When the flared position of the pipe 4 is moved to the traction mechanism 2 of one traction device, the driving mechanism 1 of the traction device drives the traction mechanisms 2 to move away from each other, and the pipe 4 is loosened, so as to avoid the flared position of the pipe 4, as shown in Figure 3 The traction mechanisms 2 of other traction devices continue to pull the pipe 4, so that the pipe 4 is continuously clamped and pulled while avoiding the flared position of the pipe 4, and the working efficiency is improved.
[0030] The traction device further comprises a controller and a sensor 31 used for sensing the flared position of the pipe 4, the sensor 31 is installed on the first mounting frame 3, the sensor 31 is connected with the controller, and the controller is connected with the driving mechanism 1. When the sensor 31 senses that the pipe 4 is flared to the front of the traction mechanism 2, the sensor 31 transmits a signal to the controller, the controller controls the driving mechanism 1 to drive the traction mechanisms 2 to move away from each other, so as to avoid the flared position of the pipe 4, realize automatic avoidance of the flared position of the pipe 4, save labor and improve working efficiency, as shown in Figure 1 .
[0031] The traction mechanism 2 includes a first traction mechanism 21, a second traction mechanism 22 and a third traction mechanism 23, the driving mechanism 1 includes a first telescopic mechanism 11, a second telescopic mechanism 12 and a third telescopic mechanism 13, the first telescopic mechanism 11, the second telescopic mechanism 12 and the third telescopic mechanism 13 are installed on the first mounting frame 3, the first traction mechanism 21, the second traction mechanism 22 and the third traction mechanism 23 are connected with the output ends of the first telescopic mechanism 11, the second telescopic mechanism 12 and the third telescopic mechanism 13 respectively, and the first traction mechanism 21, the second traction mechanism 22 and the third traction mechanism 23 are centrally symmetrically distributed. The pipe 4 is moved to between the three groups of traction mechanisms 2, the telescopic amounts of the first telescopic mechanism 11, the second telescopic mechanism 12 and the third telescopic mechanism 13 are adjusted, until the first traction mechanism 21, the second traction mechanism 22 and the third traction mechanism 23 clamp the pipe 4, because the three groups of traction mechanisms 2 are axially symmetrically distributed, the axis of the pipe 4 coincides with the symmetric axis of the traction mechanism 2, so that the pipe 4 is uniformly stressed, and the traction process is more stable. In the embodiment, one traction device is provided with three traction mechanisms 2, the heights of the second traction mechanism 22 and the third traction mechanism 23 are equal, and the first traction mechanism 21 is located above the second traction mechanism 22 and the third traction mechanism 23, as shown in Figure 1 .
[0032] As shown in Figures 4 to 6 , the traction mechanism 2 includes a shell 213, a third motor 211, a driving wheel, a driven wheel and a track assembly 212, the driving wheel and the driven wheel are rotationally connected with the shell 213, the driving mechanism 1 is connected with the shell 213, the third motor 211 is installed on the shell 213, the output end of the third motor 211 is fixedly connected with the driving wheel, the driving wheel and the driven wheel are internally connected in the track assembly 212, and the shell 213 is provided with an opening, and the track assembly 212 passes through the opening. When the traction mechanism 2 works, the third motor 211 drives the driving wheel to rotate, drives the track assembly 212 and the driven wheel to rotate, the track assembly 212 compresses the pipe 4, and the track assembly 212 drives the pipe 4 to move through friction.
[0033] The driving wheel and the driven wheel are both sprockets, the track assembly 212 includes a third chain 2121 and anti-skid blocks 2122, the driving wheel and the driven wheel are engaged with the third chain 2121, the anti-skid blocks 2122 are uniformly distributed on the outer side of the third chain 2121, and the anti-skid blocks 2122 pass through the opening. When the traction mechanism 2 works, the third motor 211 drives the driving wheel to rotate, drives the third chain 2121 and the driven wheel to rotate, the third chain 2121 drives the anti-skid blocks 2122 to move along the third chain 2121, the anti-skid blocks 2122 compress the pipe 4, and the anti-skid blocks 2122 drive the pipe 4 to move through friction.
[0034] The working principle of the traction device applied to the flared pipe 4 of the embodiment is as follows: when the pipe 4 is pulled, two or more traction devices are arranged in a straight line, the pipe 4 is moved to the vicinity of the symmetry axes of the first traction mechanism 21, the second traction mechanism 22 and the third traction mechanism 23, the first telescopic mechanism 11, the second telescopic mechanism 12 and the third telescopic mechanism 13 in the two or more traction devices drive the first traction mechanism 21, the second traction mechanism 22 and the third traction mechanism 23 respectively, so that the traction mechanisms 2 are close to each other, the pipe 4 is clamped, the third motor 211 drives the driving wheel to rotate, drives the third chain 2121 and the driven wheel to rotate, the third chain 2121 drives the anti-skid block 2122 to move along the third chain 2121, the anti-skid block 2122 presses the pipe 4, and the anti-skid block 2122 drives the pipe 4 to move through friction, when the flared position of the pipe 4 moves to the traction mechanism 2 of one traction device, the driving mechanism 1 of the traction device drives the three traction mechanisms 2 to move away from each other, so that the pipe 4 is loosened, the pipe 4 can be flared to avoid the flared position of the pipe 4, and the traction mechanisms 2 of other traction devices continue to pull the pipe 4, so that the pipe 4 can be continuously clamped and pulled while avoiding the flared position of the pipe 4, and the working efficiency is improved.
[0035] Embodiment two
[0036] The second embodiment of the traction device applied to the flared pipe 4 of the utility model is similar to the first embodiment, and the difference lies in that, as shown in Figure 4 The first telescopic mechanism 11 includes a second mounting frame 114, a first lifting mechanism 111 and a first cylinder 112, the first lifting mechanism 111 is mounted on the second mounting frame 114, the output end of the first lifting mechanism 111 is connected with the first cylinder 112, and the first traction mechanism 21 is fixedly connected with the output end of the first cylinder 112. According to the diameter of the pipe 4, the first lifting mechanism 111, the second telescopic mechanism 12 and the third telescopic mechanism 13 are adjusted, so that the pipe 4 can pass through the traction device, when the pipe 4 moves to the traction mechanisms 2, the first cylinder 112, the second telescopic mechanism 12 and the third telescopic mechanism 13 drive the three groups of traction mechanisms 2 to move to the pipe 4 until the pipe 4 is pressed, when the flared position of the pipe 4 moves to the front of the traction mechanisms 2, the first cylinder 112, the second telescopic mechanism 12 and the third telescopic mechanism 13 drive the three groups of traction mechanisms 2 to move away from the pipe 4, and the space is avoided.
[0037] As Figure 5As shown, the second telescopic mechanism 12 comprises a third mounting frame 124, a second lifting mechanism 121 and a second cylinder 122, and the third telescopic mechanism 13 comprises a fourth mounting frame 134, a third lifting mechanism 131 and a third cylinder 132; the second lifting mechanism 121 is mounted on the third mounting frame 124, and the third lifting mechanism 131 is mounted on the fourth mounting frame 134; the output end of the second telescopic mechanism 12 is connected with the second cylinder 122, the second traction mechanism 22 is connected with the output end of the second cylinder 122, the output end of the third telescopic mechanism 13 is fixedly connected with the third cylinder 132, and the third traction mechanism 23 is fixedly connected with the output end of the third cylinder 132. According to the diameter of the pipe 4, the first lifting mechanism 111, the second lifting mechanism 121 and the third lifting mechanism 131 are adjusted, so that the pipe 4 can pass through the traction device, when the pipe 4 moves to the traction mechanism 2, the first cylinder 112, the second cylinder 122 and the third cylinder 132 drive the three groups of traction mechanisms 2 to move to the pipe 4 until the pipe 4 is pressed, when the pipe 4 is expanded and moves to the front of the traction mechanism 2, the first cylinder 112, the second cylinder 122 and the third cylinder 132 return to the original position, and the three groups of traction mechanisms 2 are driven to move away from the pipe 4, so that the space is avoided.
[0038] The working principle of the traction device for the expanded pipe 4 in the embodiment is as follows:
[0039] Before the pipe 4 is pulled, according to the diameter of the pipe 4, the first lifting mechanism 111, the second lifting mechanism 121 and the third lifting mechanism 131 are adjusted, so that the pipe 4 can pass through the traction device, when the pipe 4 moves to the traction mechanism 2, the first cylinder 112, the second cylinder 122 and the third cylinder 132 respectively drive the first traction mechanism 21, the second traction mechanism 22 and the third traction mechanism 23 to move to the pipe 4 until the pipe 4 is pressed, when the pipe 4 is expanded and moves to the front of the traction mechanism 2, the sensor 31 transmits a signal to the controller, and the controller controls the first cylinder 112, the second cylinder 122 and the third cylinder 132 to drive the three groups of traction mechanisms 2 to move away from the pipe 4, so that the space is automatically avoided.
[0040] Embodiment three
[0041] The third embodiment of the traction device for the expanded pipe 4 in the embodiment is similar to the second embodiment, and the difference lies in that, as shown in the figure, Figure 4As shown, the first lifting mechanism 111 includes a first motor 1111, a first screw rod 1112 and a first guide mechanism 113, one end of the first screw rod 1112 is fixedly connected with the output end of the first motor 1111, the other end is rotationally connected with the first cylinder 112, the first guide mechanism 113 is installed on the second mounting frame 114, the first guide mechanism 113 is connected with the first traction mechanism 21, the second mounting frame 114 is provided with a motor guide 1141 for limiting the rotation of the first motor 1111, the first motor 1111 is slidingly connected with the motor guide 1141, the second mounting frame 114 is provided with a threaded hole, the internal thread of the threaded hole is engaged with the external thread of the first screw rod 1112, the first screw rod 1112 passes through the threaded hole, and the first screw rod 1112 is connected with the threaded hole through the thread. When the first lifting mechanism 111 works, the first motor 1111 drives the first screw rod 1112 to rotate, the external thread of the first screw rod 1112 interacts with the internal thread of the threaded hole, so that the first screw rod 1112 moves, drives the first traction mechanism 21 to move, and the first guide mechanism 113 prevents the first traction mechanism 21 from rotating during the movement process, so that the movement of the first traction mechanism 21 is more stable. A planetary reducer is connected between the first motor 1111 and the first screw rod 1112, which can reduce the rotating speed of the first screw rod 1112 and increase the torque; the first motor 1111 is provided with a sliding block on the side surface, the motor guide 1141 is provided with a guide rail on the side opposite to the first motor 1111, and the sliding block is slidingly installed in the guide rail; the first cylinder 112 is fixedly installed with a screw rod support, and the first screw rod 1112 is rotationally connected with the screw rod support.
[0042] As Figure 5 and Figure 6As shown, the second lifting mechanism 121 comprises a second motor 1211, a first transmission mechanism 125, a second guide mechanism 123 and a first worm screw lifter 1212, the third lifting mechanism 131 comprises a second transmission mechanism 126, a third guide mechanism 133 and a second worm screw lifter 1311, one end of the first transmission mechanism 125 is connected with the output end of the second motor 1211, the other end is connected with the input end of the first worm screw lifter 1212, one end of the second transmission mechanism 126 is connected with the output end of the first transmission mechanism 125, the other end is connected with the input end of the second worm screw lifter 1311, the output end of the first worm screw lifter 1212 is connected with the second air cylinder 122, the output end of the second worm screw lifter 1311 is connected with the third air cylinder 132; the second guide mechanism 123 is installed on the third mounting frame 124, the third guide mechanism 133 is installed on the fourth mounting frame 134, the second guide mechanism 123 is connected with the second traction mechanism 22, the third guide mechanism 133 is connected with the third traction mechanism 23. When the second lifting mechanism 121 and the third lifting mechanism 131 work, the second motor 1211 drives the first worm screw lifter 1212 to move through the first transmission mechanism 125, so that the second traction mechanism 22 moves, and the second guide mechanism 123 prevents the second traction mechanism 22 from rotating; the second motor 1211 drives the second worm screw lifter 1311 to move through the first transmission mechanism 125 and the second transmission mechanism 126, so that the third traction mechanism 23 moves, and the third guide mechanism 133 prevents the third traction mechanism 23 from rotating; only one second motor 1211 is needed to drive the second traction mechanism 22 and the third traction mechanism 23 to move at the same time.
[0043] In the embodiment, the first guide mechanism 113 comprises two first guide shafts 1131, two first limiting sleeves 1132 and a first air cylinder guide mechanism 1133, the second mounting frame 114 is provided with a first through hole through which the first guide shaft 1131 passes, one end of the first guide shaft 1131 is connected with the shell 213 of the first traction mechanism 21, the other end is provided with a limiting piece, the diameter of the limiting piece is greater than that of the first through hole, the first limiting sleeve 1132 is fixedly arranged on the second mounting frame 114, the axis of the first limiting sleeve 1132 coincides with that of the first through hole, the first guide shaft 1131 passes through the first limiting sleeve 1132 and the first through hole, the two first through holes and the screw hole are arranged in a straight line, and the screw hole is located between the two first through holes; when the first traction mechanism 21 tends to rotate in the horizontal direction, the first guide shaft 1131 is blocked by the first through hole, thereby preventing the first traction mechanism 21 from rotating, so that the first traction mechanism 21 can move smoothly in the vertical direction; the first air cylinder guide mechanism 1133 comprises a cylinder limiting piece and a cylinder guide shaft, the cylinder limiting piece is fixedly installed on the side surface of the cylinder, the cylinder guide shaft is connected with the shell 213 of the first traction mechanism 21, and the cylinder guide shaft passes through a second through hole arranged on the cylinder limiting piece;
[0044] The second guide mechanism 123 comprises a second guide shaft 1231 and a second cylinder guide mechanism 1232, and the third guide mechanism 133 comprises a third guide shaft and a third cylinder 132 guide mechanism. The second guide shaft 1231 and the third guide shaft are respectively connected with the shell 213 of the second traction mechanism 22 and the third traction mechanism 23, and respectively pass through the third mounting bracket 124 and the fourth mounting bracket 134. The second cylinder guide mechanism 1232 and the third cylinder 132 guide mechanism are respectively installed on the shell 213 of the second traction mechanism 22 and the third traction mechanism 23, and are respectively connected with the second cylinder 122 and the third cylinder 132.
[0045] The first transmission mechanism 125 comprises a first sprocket 1251, a second sprocket 1252, a third sprocket 1253 and a first chain 1255, and the second transmission mechanism 126 comprises a second chain 1264, a fourth sprocket 1261 and a fifth sprocket 1262. The first sprocket 1251 is fixedly connected with the output end of the second motor 1211. The first sprocket 1251 and the second sprocket 1252 are inscribed in the first chain 1255. The axis of the third sprocket 1253 is fixedly connected with the axis of the second sprocket 1252. The third sprocket 1253 is connected with the input end of the first worm screw lifter 1212. The third sprocket 1253 and the fourth sprocket 1261 are inscribed in the second chain 1264. The axis of the fifth sprocket 1262 is fixedly connected with the axis of the fourth sprocket 1261. The fifth sprocket 1262 is connected with the input end of the second worm screw lifter 1311. When the second lifting mechanism 121 and the third lifting mechanism 131 work, the second motor 1211 drives the first sprocket 1251 to rotate, drives the first chain 1255 to rotate, drives the coaxial second sprocket 1252 and the third sprocket 1253 to rotate, drives the first worm screw lifter 1212 to run, drives the second chain 1264 to rotate through the third sprocket 1253, drives the coaxial fourth sprocket 1261 and fifth sprocket 1262 to rotate, and drives the second worm screw lifter 1311 to run through the fifth sprocket 1262. The second motor 1211 drives the first worm screw lifter 1212 and the second worm screw lifter 1311 to run through chain transmission, has large transmission power, high efficiency, stable transmission ratio and strong overload capacity. The diameters and the number of teeth of each sprocket are equal, and the specifications of the first worm screw lifter 1212 and the second worm screw lifter 1311 are the same, so that the second traction mechanism 22 and the third traction mechanism 23 can move synchronously. A planetary reducer is connected between the second motor 1211 and the first sprocket 1251, which can reduce the rotating speed of the first sprocket 1251 and increase the torque.
[0046] The first tensioning wheel 1254 and the second tensioning wheel 1263 are arranged in the embodiment, and the first tensioning wheel 1254 and the second tensioning wheel 1263 are both rotationally connected with the first mounting frame 3, the first tensioning wheel 1254 is engaged with the first chain 1255, the second tensioning wheel 1263 is engaged with the second chain 1264, the first tensioning wheel 1254, the first sprocket 1251 and the second sprocket 1252 are arranged in a triangular shape, the second tensioning wheel 1263, the third sprocket 1253 and the fourth sprocket 1261 are arranged in a triangular shape, and the first chain 1255 and the second chain 1264 are tightly stretched. By arranging the first tensioning wheel 1254 and the second tensioning wheel 1263, the first chain 1255 and the second chain 1264 are more easily stretched, and the transmission efficiency and the transmission ratio stability are improved.
[0047] The working principle of the traction device applied to the flared pipe 4 in the embodiment is as follows: before the pipe 4 is pulled, the positions of the traction mechanisms 2 are adjusted by the driving mechanism 1 according to the diameter of the pipe 4, the first motor 1111 drives the first screw rod 1112 to rotate, the outer thread of the first screw rod 1112 interacts with the inner thread of the screw hole, the first screw rod 1112 moves, the first traction mechanism 21 moves, and the first guide mechanism 113 keeps the first traction mechanism 21 stable; when the second lifting mechanism 121 and the third lifting mechanism 131 work, the second motor 1211 drives the first sprocket 1251 to rotate, drives the first chain 1255 to rotate, drives the coaxial second sprocket 1252 and the third sprocket 1253 to rotate, the third sprocket 1253 drives the first worm screw lifting machine 1212 to operate, the second traction mechanism 22 moves, the second guide mechanism 123 keeps the second traction mechanism 22 stable; at the same time, the third sprocket 1253 drives the second chain 1264 to rotate, the second chain 1264 drives the coaxial fourth sprocket 1261 and the fifth sprocket 1262 to rotate, the fifth sprocket 1262 drives the second worm screw lifting machine 1311 to operate, the third traction mechanism 23 moves, and the third guide mechanism 133 keeps the third traction mechanism 23 stable; by moving the first traction mechanism 21, the second traction mechanism 22 and the third traction mechanism 23, the distance between the three traction mechanisms 2 is changed, the flaring of the pipe 4 can pass through the traction mechanisms 2, and the first air cylinder 112, the second air cylinder 122 and the third air cylinder 132 can press the three traction mechanisms 2 on the pipe 4.
[0048] In the specific contents of the above specific embodiments, any inconsistent combination of technical features can be combined, and in order to make the description simple, not all possible combinations of the above technical features are described, but as long as the combination of technical features does not exist, it should be considered as the scope described in the specification.
[0049] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.
Claims
1. A pulling device for expanding pipes, characterized in that: The invention comprises a first mounting frame (3), two or more traction mechanisms (2), and a driving mechanism (1) for driving the traction mechanisms (2) to move closer to or farther from each other, wherein the driving mechanism (1) is mounted on the first mounting frame (3), the traction mechanism (2) is connected to the driving mechanism (1), the traction mechanism (2) clamps the pipe (4), and the driving directions of the traction mechanisms (2) are the same.
2. The pulling device for expanding pipes according to claim 1, characterized in that: It also includes a controller and a sensor (31) for sensing the expansion position of the pipe (4), wherein the sensor (31) is mounted on the first mounting frame (3), the sensor (31) is connected to the controller, and the controller is connected to the driving mechanism (1).
3. The pulling device for expanding pipes according to claim 1, characterized in that: The traction mechanism (2) comprises a first traction mechanism (21), a second traction mechanism (22) and a third traction mechanism (23); the driving mechanism (1) comprises a first telescopic mechanism (11), a second telescopic mechanism (12) and a third telescopic mechanism (13); the first telescopic mechanism (11), the second telescopic mechanism (12) and the third telescopic mechanism (13) are mounted on the first mounting frame (3); the first traction mechanism (21), the second traction mechanism (22) and the third traction mechanism (23) are respectively connected to the output ends of the first telescopic mechanism (11), the second telescopic mechanism (12) and the third telescopic mechanism (13); the first traction mechanism (21), the second traction mechanism (22) and the third traction mechanism (23) are axially symmetrically distributed.
4. The pulling device for expanding pipes according to claim 3, characterized in that: The first telescopic mechanism (11) comprises a second mounting frame (114), a first lifting mechanism (111) and a first cylinder (112); the second mounting frame (114) is mounted on the first mounting frame (3); the first lifting mechanism (111) is mounted on the second mounting frame (114); the output end of the first lifting mechanism (111) is connected to the first cylinder (112); and the first traction mechanism (21) is fixedly connected to the output end of the first cylinder (112).
5. The pulling device for expanding pipes according to claim 4, characterized in that: The first lifting mechanism (111) comprises a first motor (1111), a first screw rod (1112) and a first guide mechanism (113). One end of the first screw rod (1112) is fixedly connected to the output end of the first motor (1111), and the other end is rotatably connected to the first cylinder (112). The first guide mechanism (113) is mounted on the second mounting frame (114). The first guide mechanism (113) is connected to the first traction mechanism (21). The second mounting frame (114) is provided with a motor guide (1141) for limiting the rotation of the first motor (1111). The first motor (1111) is slidably connected to the motor guide (1141). The second mounting frame (114) is provided with a screw hole, and the first screw rod (1112) is threadedly connected to the screw hole.
6. The pulling device for expanding pipes according to claim 4, characterized in that: The second telescopic mechanism (12) comprises a third mounting frame (124), a second lifting mechanism (121) and a second cylinder (122); the third telescopic mechanism (13) comprises a fourth mounting frame (134), a third lifting mechanism (131) and a third cylinder (132); the second lifting mechanism (121) is mounted on the third mounting frame (124), and the third lifting mechanism (131) is mounted on the fourth mounting frame (134); the output end of the second telescopic mechanism (12) is connected to the second cylinder (122), the second traction mechanism (22) is connected to the output end of the second cylinder (122), the output end of the third telescopic mechanism (13) is fixedly connected to the third cylinder (132), and the third traction mechanism (23) is fixedly connected to the output end of the third cylinder (132).
7. The pulling device for expanding pipes according to claim 6, characterized in that: The second lifting mechanism (121) includes a second motor (1211), a first transmission mechanism (125), a second guide mechanism (123) and a first worm gear screw lifter (1212); the third lifting mechanism (131) includes a second transmission mechanism (126), a third guide mechanism (133) and a second worm gear screw lifter (1311); one end of the first transmission mechanism (125) is connected to the output end of the second motor (1211), and the other end is connected to the input end of the first worm gear screw lifter (1212); one end of the second transmission mechanism (126) is connected to the output end of the first transmission mechanism (125); , the other end is connected to the input end of the second worm gear screw elevator (1311), the output end of the first worm gear screw elevator (1212) is connected to the second cylinder (122), and the output end of the second worm gear screw elevator (1311) is connected to the third cylinder (132); the second guide mechanism (123) is installed on the third mounting frame (124), the third guide mechanism (133) is installed on the fourth mounting frame (134), the second guide mechanism (123) is connected to the second traction mechanism (22), and the third guide mechanism (133) is connected to the third traction mechanism (23).
8. The pulling device for expanding pipes according to claim 7, characterized in that: The first transmission mechanism (125) includes a first sprocket (1251), a second sprocket (1252), a third sprocket (1253) and a first chain (1255); the second transmission mechanism (126) includes a second chain (1264), a fourth sprocket (1261) and a fifth sprocket (1262); the first sprocket (1251) is fixedly connected to the output end of the second motor (1211); the first sprocket (1251) and the second sprocket (1252) are internally connected to the first chain (1255); The axis of the third sprocket (1253) is fixedly connected to the axis of the second sprocket (1252), the third sprocket (1253) is connected to the input end of the first worm gear screw elevator (1212), the third sprocket (1253) and the fourth sprocket (1261) are inscribed in the second chain (1264), the axis of the fifth sprocket (1262) is fixedly connected to the axis of the fourth sprocket (1261), and the fifth sprocket (1262) is connected to the input end of the second worm gear screw elevator (1311).
9. The pulling device for expanding pipes according to any one of claims 1 to 8, characterized in that: The traction mechanism (2) comprises a housing (213), a third motor (211), a driving wheel, a driven wheel and a crawler assembly (212); the driving wheel and the driven wheel are both rotatably connected to the housing (213); the driving mechanism (1) is connected to the housing (213); the third motor (211) is mounted on the housing (213); the output end of the third motor (211) is fixedly connected to the driving wheel; the driving wheel and the driven wheel are internally connected to the crawler assembly (212); the housing (213) is provided with an opening, and the crawler assembly (212) passes through the opening.
10. The pulling device for expanding pipes according to claim 9, characterized in that: The driving wheel and the driven wheel are both sprockets, the track assembly (212) comprises a third chain (2121) and an anti-slide block (2122), the driving wheel and the driven wheel are engaged with the third chain (2121), the anti-slide block (2122) is evenly distributed on the outside of the third chain (2121), and the anti-slide block (2122) passes through the opening.