Rapid remodeling belt type conveying line for large-diameter polyurethane spraying thermal insulation pipe

Abstract

The utility model belongs to the technical field of polyurethane spraying winding thermal insulation pipe processing, and relates to a large-diameter polyurethane spraying thermal insulation pipe rapid model changing belt type conveying line which comprises a base and bearing conveying units which are evenly distributed on the base in the length direction of the base in an inclined and spaced mode. Rotation is realized through a rotation driving unit; the bearing transmission unit comprises a rotating base, a support, a driving roller, a driven roller, a bearing seat and a conveying belt, the driving roller is driven by a gear motor to rotate, and the conveying belt is wound on the driving roller and the driven roller. The rapid remodeling belt type conveying line for the large-diameter polyurethane spraying thermal insulation pipe is scientific and reasonable in design, has the advantages of improving production efficiency, guaranteeing product quality, saving production cost, facilitating remodeling and being easy to achieve, and has high innovativeness.

Description

TECHNICAL FIELD

[0001] The utility model belongs to polyurethane spraying winding heat preservation pipe processing technical field relates to a kind of polyurethane spraying winding heat preservation pipe conveying technology, especially large diameter polyurethane spraying heat preservation pipe quick change belt type conveying line. BACKGROUND

[0002] Polyurethane spraying winding heat preservation pipe is pipe body with polyurethane foam insulation layer on the surface of steel pipe, and the polyurethane foam insulation layer is formed by curing polyurethane powder sprayed on the surface of steel pipe.

[0003] At present, after spraying polyurethane powder on the steel pipe, it is conveyed by the tire type conveying line, and the curing of polyurethane powder needs a certain time. When it is not completely cured, the polyurethane foam insulation layer is easily broken by the extrusion of the tire on the tire type conveying line, especially for large diameter steel pipes, the weight of which is about 8 tons, which increases the risk of cracking of the polyurethane foam insulation layer, affecting the heat preservation performance of the polyurethane spraying heat preservation pipe.

[0004] In addition, different diameter steel pipes are usually sprayed and conveyed on a polyurethane spraying heat preservation pipe production line. Therefore, how to realize the conveying line suitable for multiple specifications of steel pipes without cracking the polyurethane foam insulation layer is an important problem to be solved by the utility model. UTILITY MODEL CONTENTS

[0005] The utility model aims to overcome the shortcomings of the prior art and provide a large diameter polyurethane spraying heat preservation pipe quick change belt type conveying line that improves production efficiency, ensures product quality, saves production cost, facilitates change and is easy to implement.

[0006] The utility model solves the technical problem by adopting the following technical scheme:

[0007] The large diameter polyurethane spraying heat preservation pipe quick change belt type conveying line comprises a base and a plurality of support transmission units arranged on the base in a lengthwise direction and inclined at intervals, the support transmission units are rotatably installed on the base and rotated by a rotary drive unit;

[0008] The support transmission unit comprises a rotary base, a bracket, a driving roller, a driven roller, a bearing seat and a conveying belt. The rotary base is rotatably installed on the base, and the bracket is installed on both ends of the rotary base in the lengthwise direction. The driving roller and the driven roller are installed on the brackets at both ends through the bearing seat. The driving roller is driven to rotate by a speed reducer motor, and the conveying belt is wound around the driving roller and the driven roller.

[0009] Moreover, shaft holes are arranged in the middle of the base and the rotating base, and rotating shafts are arranged in the two shaft holes.

[0010] Moreover, the rotating driving unit comprises connecting ears, a first screw rod, a second screw rod, a rotating sleeve, a ratchet wheel, a forward-reverse ratchet pawl, a ratchet pawl seat and a driving handle, connecting ears are horizontally arranged on the bottom of the rotating base and the base, a first screw rod and a second screw rod are respectively hinged to the connecting ears at two ends through connecting rings, the screw thread directions of the first screw rod and the second screw rod are opposite, a rotating sleeve is threadedly arranged between the first screw rod and the second screw rod, a ratchet pawl seat is rotatably arranged in the middle of the outer wall of the rotating sleeve, a ratchet wheel is fixed to the rotating sleeve in the ratchet pawl seat, a forward-reverse ratchet pawl for engaging with the ratchet wheel is rotatably arranged in the ratchet pawl seat, and a driving handle is arranged on the ratchet pawl seat.

[0011] Moreover, the rotating driving unit comprises connecting ears, a first screw rod, a second screw rod, a rotating sleeve, a ratchet wheel, a bidirectional motor and a driving gear, connecting ears are horizontally arranged on the bottom of the rotating base and the base, a first screw rod and a second screw rod are respectively hinged to the connecting ears at two ends through connecting rings, the screw thread directions of the first screw rod and the second screw rod are opposite, a rotating sleeve is threadedly arranged between the first screw rod and the second screw rod, a ratchet wheel is fixed to the outer wall of the rotating sleeve, a driving gear is engaged with the ratchet wheel, and the driving gear is rotatably arranged on a gear seat, wherein the gear seat is fixed to the base, and the gear is driven to rotate by a bidirectional motor arranged on the connecting ear.

[0012] Moreover, the supporting transmission unit further comprises a rotating auxiliary mechanism, the rotating auxiliary mechanism comprises a rotating indicating needle and a scale disc, one end of the rotating base is provided with a hollow structure, a mounting rod is arranged on the base, a rotating indicating needle extending out of the hollow structure is horizontally arranged on the top of the mounting rod, and a scale disc is arranged on the edge of the hollow structure of the rotating base, and the rotating indicating needle is arranged on the scale disc.

[0013] The advantages and positive effects of the utility model are:

[0014] 1. The large-diameter polyurethane sprayed heat preservation pipe fast-changing belt type conveying line, by the design of the traditional tire type conveying mode into the conveying belt supporting conveying mode, effectively avoids the rolling problem of the tire on the surface of the heat preservation pipe, ensures the product quality, and simultaneously, through the setting of the rotating driving unit, the angle adjustment of each supporting transmission unit is realized, so that the transmission needs of different diameter heat preservation pipes are met, and the purpose of fast changing is realized.

[0015] 2. The large-diameter polyurethane sprayed heat preservation pipe fast-changing belt type conveying line, through the setting of the rotating auxiliary mechanism, the calibration of each supporting transmission unit after the angle adjustment is facilitated, and the smooth conveying of the heat preservation pipe is ensured.

[0016] 3. The utility model discloses scientific and reasonable design has the advantages such as improving production efficiency, guaranteeing product quality, saving production cost, convenient change type, easy to realize, it is a kind of high innovation big diameter polyurethane spray thermal insulation pipe quick change type belt conveyor line. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural diagram of the utility model;

[0018] Figure 2 It is the structural diagram of the utility model bearing transmission unit;

[0019] Figure 3 It is the plan view of the utility model bearing transmission unit;

[0020] Figure 4 It is the structural diagram of one implementation of the utility model rotary drive unit;

[0021] Figure 5 It is the structural diagram of another implementation of the utility model rotary drive unit.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1-bearing transmission unit, 2-rotary drive unit, 3-base, 4-rotary base, 5-reduction motor, 6-driving roller, 7-bracket, 8-conveying belt, 9-thermal insulation pipe, 10-driven roller, 11-rotary indicator, 12-dial, 13-rotating shaft, 14-connection ear, 15-connection ring, 16-first screw, 17-rotary sleeve, 18-driving handle, 19-reversing pawl, 20-pawl seat, 21-ratchet wheel, 22-second screw, 23-gear base, 24-driving gear, 25-bidirectional motor. DETAILED DESCRIPTION

[0024] The embodiment of the utility model is further described in connection with the drawings:

[0025] The utility model discloses big diameter polyurethane spray thermal insulation pipe quick change type belt conveyor line, its innovation lies in: including base 3 and in the length direction of base oblique interval distribution bearing transmission unit 1, bearing transmission unit rotationally installed on base, the middle part of base and the middle part of rotary base are provided with shaft hole, and the rotating shaft 13 is provided in two shaft holes, rotary drive unit 2 drives bearing transmission unit and realizes rotation along the rotating shaft;

[0026] The supporting transmission unit comprises a rotating base 4, a support 7, a driving roller 6, a driven roller 10, a bearing seat and a conveying belt 8, the rotating base is rotatably installed on the base, the support is installed on both ends of the rotating base in the length direction, the driving roller and the driven roller are respectively installed on the supports at both ends through the bearing seat, the driving roller is driven to rotate by the speed reducer motor 5, and the conveying belt is wound on the driving roller and the driven roller.

[0027] The heat preservation pipe 9 is transmitted forward through the supporting transmission units arranged in an inclined mode, but the rotating angle of the supporting transmission unit needs to be adjusted according to the pipe diameter of the heat preservation pipe to meet the conveying requirement, therefore, the rotating driving unit capable of adjusting the angle of the supporting transmission unit is designed.

[0028] The rotating driving unit comprises two embodiments:

[0029] The first embodiment is a manual type:

[0030] The rotating driving unit comprises a connecting lug 14, a first screw rod 16, a second screw rod 22, a rotating sleeve 17, a ratchet wheel 21, a forward-reverse ratchet pawl 19, a ratchet pawl seat 20 and a driving handle 18, the connecting lug is horizontally installed on the bottom of the rotating base and the base, the first screw rod and the second screw rod are respectively hinged on the connecting lugs at both ends through the connecting ring 15, the screw thread directions of the first screw rod and the second screw rod are opposite, the rotating sleeve is threadedly installed between the first screw rod and the second screw rod, the ratchet pawl seat is rotatably installed on the middle part of the outer wall of the rotating sleeve, the ratchet wheel is fixed on the rotating sleeve in the ratchet pawl seat, the forward-reverse ratchet pawl for engaging with the ratchet wheel is rotatably installed in the ratchet pawl seat, and the driving handle is installed on the ratchet pawl seat.

[0031] In use, one pawl part of the forward-reverse ratchet pawl is engaged with the ratchet wheel, the handle is manually rotated, the forward-reverse ratchet pawl is rotated by engaging with the ratchet wheel, the rotating sleeve is driven to rotate, the first screw rod and the second screw rod threadedly connected with the rotating sleeve are driven to move towards or away from each other, and the base is rotated along the rotating shaft.

[0032] The second embodiment is an electric type:

[0033] The rotating driving unit comprises connecting ears, a first screw rod, a second screw rod, a rotating sleeve, a ratchet wheel, a bidirectional motor 25 and a driving gear 24, the connecting ears are horizontally installed on the bottom of the rotating base and the base, the first screw rod and the second screw rod are respectively hinged to the connecting ears at two ends through connecting rings, the screw thread directions of the first screw rod and the second screw rod are opposite, the rotating sleeve is threadedly installed between the first screw rod and the second screw rod, the ratchet wheel is fixed to the middle part of the outer wall of the rotating sleeve, and the driving gear is engaged with the ratchet wheel and rotationally installed on the gear base 23, wherein the gear base is fixed to the base, and the gear is driven to rotate by the bidirectional motor installed on the connecting ear.

[0034] In use, the rotating direction of the output shaft of the bidirectional motor is adjusted as required, the ratchet wheel is rotated under the driving of the bidirectional motor, so that the rotating sleeve is rotated, and then the first screw rod and the second screw rod which are threadedly connected with the rotating sleeve move towards or away from each other, and the base is rotated along the rotating shaft through the extension and retraction of the first screw rod and the second screw rod.

[0035] In order to ensure the consistency of the angle rotation of each supporting transmission unit, the utility model also designs a rotating auxiliary mechanism for angle adjustment and calibration. The rotating auxiliary mechanism comprises a rotating indicating needle 11 and a scale disc 12, one end of the rotating base is provided with a hollow structure, an installation rod is installed on the base, a rotating indicating needle extending out of the hollow structure is horizontally arranged on the top of the installation rod, and a scale disc is arranged on the edge of the hollow structure of the rotating base, and the rotating indicating needle is arranged on the scale disc.

[0036] In use, according to the diameter of the heat preservation pipe to be conveyed, the angle of the supporting transmission unit on the base is adjusted, and then the heat preservation pipe which has been sprayed with polyurethane is conveyed forward on the conveying belt of the supporting transmission unit, since the conveying belt supports and conveys the heat preservation pipe, the cracking problem caused by the traditional way of tire rolling and pressing the solidified heat preservation layer is avoided, and the quality of the heat preservation pipe is ensured.

[0037] Although the embodiments and drawings of the utility model are disclosed for the purpose of illustration, those skilled in the art can understand that various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, therefore, the scope of the utility model is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A large diameter polyurethane spray insulation pipe quick changeover belt conveyor line characterized by: It comprises a base and a supporting transmission unit obliquely and evenly distributed along the length direction of the base, which is rotatably installed on the base and rotates by a rotating drive unit; The supporting transmission unit comprises a rotating base, a support, a driving roller, a driven roller, a bearing seat and a conveying belt, the rotating base is rotatably installed on the base, supports are installed on both ends of the rotating base along the length direction, the driving roller and the driven roller are installed on the supports through the bearing seat, the driving roller is driven to rotate by a speed reducer motor, and the conveying belt is wound around the driving roller and the driven roller.

2. The quick changeover belt conveyor line for large diameter polyurethane spray foam insulated pipe of claim 1, wherein: Shaft holes are arranged in the middle of the base and the rotating base, and a rotating shaft is arranged in the shaft holes.

3. The quick changeover belt conveyor line for large diameter polyurethane spray foam insulated pipe of claim 1, wherein: The rotating drive unit comprises a connecting lug, a first screw rod, a second screw rod, a rotating sleeve, a ratchet wheel, a reversible ratchet pawl, a ratchet pawl seat and a driving handle, the connecting lug is horizontally installed on the bottom of the rotating base and the base, the first screw rod and the second screw rod are hingedly connected to the connecting lug through connecting rings, the screw threads of the first screw rod and the second screw rod are opposite, the rotating sleeve is threadedly installed between the first screw rod and the second screw rod, the ratchet pawl seat is rotatably installed on the middle of the outer wall of the rotating sleeve, the ratchet wheel is fixed on the rotating sleeve in the ratchet pawl seat, the reversible ratchet pawl is rotatably installed in the ratchet pawl seat and engaged with the ratchet wheel, and the driving handle is installed on the ratchet pawl seat.

4. The quick changeover belt conveyor line for large diameter polyurethane spray foam insulated pipe of claim 1, wherein: The rotating drive unit comprises a connecting lug, a first screw rod, a second screw rod, a rotating sleeve, a ratchet wheel, a reversible ratchet pawl, a ratchet pawl seat and a driving handle, the connecting lug is horizontally installed on the bottom of the rotating base and the base, the first screw rod and the second screw rod are hingedly connected to the connecting lug through connecting rings, the screw threads of the first screw rod and the second screw rod are opposite, the rotating sleeve is threadedly installed between the first screw rod and the second screw rod, the ratchet pawl seat is rotatably installed on the middle of the outer wall of the rotating sleeve, the ratchet wheel is fixed on the rotating sleeve in the ratchet pawl seat, the reversible ratchet pawl is rotatably installed in the ratchet pawl seat and engaged with the ratchet wheel, and the driving handle is installed on the ratchet pawl seat.

5. The quick changeover belt conveyor line for large diameter polyurethane spray foam insulated pipe of claim 1, wherein: The supporting transmission unit further comprises a rotating auxiliary mechanism, which comprises a rotating indicator and a scale disc, one end of the rotating base is provided with a hollow structure, an installation rod is installed on the base, a rotating indicator extending from the hollow structure is horizontally arranged on the top of the installation rod, and a scale disc is arranged on the edge of the hollow structure of the rotating base, and the rotating indicator is indicated on the scale disc.

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