Self-temperature-limiting electric tracing band connected with self-adaptive adjusting mechanism

Abstract

The invention discloses a self-temperature-limiting electric tracing band connected with a self-adaptive adjusting mechanism in the technical field of electric tracing bands, and the electric tracing band comprises an electric tracing band, one end of the electric tracing band is provided with a power supply head, the outer wall of the electric tracing band is provided with seven groups of fixing rings in a sleeving manner, the upper parts of the seven groups of fixing rings are provided with mounting blocks, and the tops of the fixing rings are provided with clamping grooves matched with the clamping blocks. The first cavity and the second cavity are internally provided with buckle assemblies, and a self-adaptive adjusting mechanism is arranged between every two of the seven groups of fixing rings, and the self-adaptive adjusting mechanisms can be fixed on the electric tracing band through the arrangement of the mounting blocks, the clamping blocks, the clamping grooves, the insertion holes and the buckle assemblies; meanwhile, the self-adaptive adjusting mechanism can be bound to the outer wall of the oil well pipeline in cooperation with the lower fixing assembly, the electric tracing band is wound around the outer wall of the oil well pipeline for heating, and the temperature of the outer wall of the oil well pipeline can be uneven; under the action of the self-adaptive adjusting mechanism, the whole electric tracing band can carry out self-adaptive adjusting temperature control according to the local temperature of the oil well pipeline.

Description

Technical Field

[0001] The invention relates to the technical field of electric heating belts, and in particular to a self-limiting temperature electric heating belt connected with an adaptive adjustment mechanism. Background Art

[0002] The electric heating tape is composed of a conductive polymer and two parallel metal wires and an insulating sheath. Since the electric heating tape has a long thermal stability time and has the advantages of high thermal efficiency, energy saving, easy installation, pollution-free, long service life and automatic control, it is often used in liquid pipelines to prevent the liquid pipeline from freezing in winter and affecting its use. In the process of oil transportation, due to the high viscosity of oil, electric heating tapes are needed to assist the internal pipelines of oil wells for oil transportation when the temperature is low. At present, the electric heating tape needs to be wrapped around the outer wall of the pipeline for use, and the winding density is fixed, so the heating effect on the pipeline is fixed, and the winding density of the electric heating tape cannot be reasonably adjusted according to the local temperature of the oil well pipeline. Therefore, we propose a self-limiting temperature electric heating tape connected to an adaptive adjustment mechanism. Summary of the invention

[0003] The object of the present invention is to provide a self-limiting temperature electric heating tape connected to an adaptive adjustment mechanism to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a self-limiting temperature electric heating belt connected with an adaptive adjustment mechanism, comprising an electric heating belt, one end of each electric heating belt is provided with a power supply head, seven groups of fixing rings are sleeved and installed on the outer wall of each electric heating belt, mounting blocks are provided above each of the seven groups of fixing rings, a clamping block is provided at the bottom of each mounting block, a clamping groove matching the clamping block is provided on the top of each fixing ring, and jacks are provided on the left and right side walls of each clamping groove, a first cavity is provided inside the mounting block, a second cavity is provided inside the clamping block, buckle assemblies are provided in the first and second cavities, adaptive adjustment mechanisms are provided between each of the seven groups of fixing rings, the adaptive adjustment mechanism includes connecting blocks provided between each of the fixing rings, connecting rods are hingedly provided on the left and right side walls of each connecting block, and two groups of connecting rods are hingedly provided with each other. The ends are respectively hinged with the opposite side walls of the two groups of mounting blocks, and a sleeve is provided under the connecting block, and a support seat is provided at the bottom of the sleeve, and a fixing assembly is provided on the outer side wall of the support seat, and a heat absorbing plate is provided on the inner wall of the support seat, and two groups of heat-conducting rods are provided at the top of the sleeve, one end of the two groups of heat-conducting rods pass through the bottom of the sleeve and are connected to the outer side wall of the heat absorbing plate, and the outer walls of the two groups of heat-conducting rods are sleeved with heat-conducting plates, and the top of the heat-conducting plate is provided with a movable rod, one end of the movable rod passes through the top of the sleeve and is connected to the connecting block provided on the outside, and a memory spring is sleeved on the outer wall of the movable rod, one end of the memory spring is connected to the top of the sleeve, and the other end of the memory spring is connected to the top of the heat-conducting plate, and the left and right side walls of the connecting block are hinged with connecting rods, and one end of the two groups of connecting rods are respectively hinged to the opposite side walls of the two adjacent groups of mounting blocks.

[0005] Further, the buckle assembly includes two groups of sliding plates slidably connected in the second cavity, the two groups of sliding plates having opposite side walls connected with a second pull rope, the two groups of sliding plates having side walls away from each other are provided with plug blocks, one end of the two groups of plug blocks respectively penetrates the left and right side walls in the second cavity and matches the plug holes, the outer walls of the two groups of plug blocks are sleeved with springs, one end of the two groups of springs are respectively connected to the two groups of sliding plates away from the side walls, the other ends of the two groups of springs are respectively connected to the left and right side walls in the second cavity, the outer wall of the second pull rope is provided with a first pull rope, the right side wall in the first cavity is connected with a rotating shaft through a bearing, one end of the rotating shaft penetrates the left side wall in the first cavity and is connected to the rotating plate provided on the outside, one end of the rotating shaft penetrates the left side wall in the first cavity and is connected to the rotating plate provided on the outside, the outer wall of the rotating shaft is sleeved with a winding wheel, and one end of the first pull rope is connected to the outer wall of the winding wheel.

[0006] Furthermore, a guide groove is provided at the bottom of the second cavity, and guide blocks matching the guide groove are provided at the bottom of the two groups of sliding plates.

[0007] Furthermore, the fixing assembly includes a first strap and a second strap provided on the outer side wall of the support seat, a sub-velcro is provided on the inner side wall of the second strap, and a mother Velcro matching the sub-velcro is provided on the outer side wall of the first strap.

[0008] Furthermore, the first strap and the second strap are nylon webbing.

[0009] Furthermore, guide grooves are provided on the left and right side walls of the sleeve, and guide blocks matching the guide grooves are provided on the left and right side walls of the heat conducting plate.

[0010] Furthermore, the support seat and the heat absorbing plate are both arranged in an arc shape.

[0011] Furthermore, the memory spring is made of copper-zinc-aluminum alloy material.

[0012] Furthermore, a through groove communicating with the second cavity is formed at the bottom of the first cavity, and the first pull rope is slidably connected in the through groove.

[0013] Compared with the prior art, the invention has the following beneficial effects: the invention provides a mounting block, a clamping block, a clamping slot, a jack and a buckle assembly to fix the adaptive adjustment mechanism on the electric heating belt, and at the same time cooperates with the lower fixing assembly to bind the adaptive adjustment mechanism to the outer wall of the oil well pipeline, the electric heating belt is wound around the outer wall of the oil well pipeline for heating, the temperature of the outer wall of the oil well pipeline will be uneven, the heat generated by the outer wall of the oil well pipeline can be absorbed by the heat absorbing plate, and transferred to the memory spring through the heat conducting rod and the heat conducting plate, the memory spring will extend and stretch when heated (this is the memory spring). The memory spring squeezes the heat conducting plate, and the heat conducting plate drives the movable rod to move downward, and the movable rod drives the connecting block to move downward, and the connecting block drives the connecting rod to rotate, and the connecting rod drives the mounting blocks to move away from each other, thereby pushing the electric heating tape to stretch, and reducing the winding density of the electric heating tape at the position where the temperature of the outer wall of the oil well pipeline is higher, so that the entire electric heating tape can be adaptively adjusted and controlled according to the local temperature of the oil well pipeline. Similarly, when the temperature of the outer wall of the oil well pipeline returns to normal, the memory spring will return to its original state, thereby restoring the winding density of the electric heating tape. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the internal structure of the sleeve of the present invention;

[0016] Figure 3 This is a schematic diagram of the structure of the fixing ring and the mounting block of the present invention;

[0017] Figure 4 A schematic diagram of the structure of the present invention;

[0018] Figure 5 It is a schematic diagram of the structure B of the present invention.

[0019] In the figure: 1. electric heating tape; 2. power supply head; 3. fixing assembly; 30. first binding strap; 31. second binding strap; 32. sub-velcro; 33. main Velcro; 4. fixing ring; 5. mounting block; 6. adaptive adjustment mechanism; 60. connecting block; 61. connecting rod; 62. sleeve; 63. movable rod; 64. heat-conducting rod; 65. heat-conducting plate; 66. memory spring; 67. support seat; 68. heat-absorbing plate; 7. buckle assembly; 70. rotating plate; 71. rotating shaft; 72. winding wheel; 73. first pull rope; 74. plug block; 75. sliding plate; 76. second pull rope; 77. spring; 8. card block; 9. card slot; 10. jack; 11. first cavity; 12. second cavity. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Embodiment 1:

[0022] See also Figure 1-4The present invention provides a technical solution: a self-limiting temperature electric heating belt connected with an adaptive adjustment mechanism, comprising an electric heating belt 1, one end of the electric heating belt 1 is provided with a power supply head 2, the outer wall of the electric heating belt 1 is sleeved and installed with seven groups of fixing rings 4, the seven groups of fixing rings 4 are provided with mounting blocks 5 above, the bottom of the mounting blocks 5 is provided with a clamping block 8, the top of the fixing ring 4 is provided with a clamping groove 9 matching the clamping block 8, the left and right side walls of the clamping groove 9 are provided with jacks 10, the inside of the mounting block 5 is provided with a first cavity 11, and the clamping block 8 is provided with a second cavity 12. A buckle assembly 7 is provided in the first cavity 11 and the second cavity 12, and an adaptive adjustment mechanism 6 is provided between each of the seven groups of fixing rings 4. The adaptive adjustment mechanism 6 includes a connecting block 60 provided between each of the fixing rings 4, and a connecting rod 61 is hingedly provided on the left and right side walls of the connecting block 60. One end of the two groups of connecting rods 61 is hingedly connected to the opposite side walls of the two groups of mounting blocks 5, respectively. A sleeve 62 is provided below the connecting block 60, and a support seat 67 is provided at the bottom of the sleeve 62. A fixing assembly 3 is provided on the outer wall of the support seat 67, and a heat absorbing plate 6 is provided on the inner wall of the support seat 67. 8. The support seat 67 and the heat absorbing plate 68 are both arranged in an arc shape, which can match the outer wall of the oil pipeline. Two groups of heat-conducting rods 64 are arranged at the top of the sleeve 62. One end of the two groups of heat-conducting rods 64 penetrates the bottom of the sleeve 62 and is connected to the outer wall of the heat absorbing plate 68. The outer walls of the two groups of heat-conducting rods 64 are sleeved with heat-conducting plates 65. Guide grooves are provided on the left and right side walls of the sleeve 62. Guide blocks matching the guide grooves are provided on the left and right side walls of the heat-conducting plate 65. Under the action of the guide grooves and the guide blocks, the heat-conducting plate 65 moves more smoothly on the outer wall of the heat-conducting rod 64. Stable, a movable rod 63 is provided on the top of the heat conducting plate 65, one end of the movable rod 63 passes through the top of the sleeve 62 and is connected to the connecting block 60 provided on the outside, a memory spring 66 is sleeved on the outer wall of the movable rod 63, one end of the memory spring 66 is connected to the top of the sleeve 62, and the other end of the memory spring 66 is connected to the top of the heat conducting plate 65, the memory spring 66 is made of copper-zinc-aluminum alloy material, the left and right side walls of the connecting block 60 are hinged with connecting rods 61, and one end of the two groups of connecting rods 61 are respectively hinged to the opposite side walls of the two adjacent groups of mounting blocks 5.

[0023] See also Figure 4-5The buckle assembly 7 includes two sets of sliding plates 75 slidably connected in the second cavity 12. A guide groove is provided at the bottom of the second cavity 12. A guide block matching the guide groove is provided at the bottom of the two sets of sliding plates 75. Under the action of the guide groove and the guide block, the sliding plates 75 move more stably in the second cavity 12. A second pull rope 76 is connected to the opposite side walls of the two sets of sliding plates 75. The two sets of sliding plates 75 are provided with plug blocks 74 away from the side walls. One end of the two sets of plug blocks 74 respectively penetrates the left and right side walls of the second cavity 12 and matches the jack 10. The outer walls of the two sets of plug blocks 74 are sleeved with springs 77. One end of the two sets of springs 77 is respectively connected to the side walls away from the two sets of sliding plates 75. The two sets of springs 77 The other end is respectively connected to the left and right side walls of the second cavity 12, and a first pull rope 73 is provided on the outer wall of the second pull rope 76. A rotating shaft 71 is connected to the right side wall of the first cavity 11 through a bearing, and one end of the rotating shaft 71 passes through the left side wall of the first cavity 11 and is connected to the rotating plate 70 provided on the outside. One end of the rotating shaft 71 passes through the left side wall of the first cavity 11 and is connected to the rotating plate 70 provided on the outside. A winding wheel 72 is sleeved and installed on the outer wall of the rotating shaft 71, and one end of the first pull rope 73 is connected to the outer wall of the winding wheel 72. A through groove connected to the second cavity 12 is opened at the bottom of the first cavity 11, and the first pull rope 73 is slidably connected in the through groove. Under the action of the through groove, the movement of the first pull rope 73 is more stable.

[0024] See also Figure 2 The fixing component 3 includes a first strap 30 and a second strap 31 provided on the outer wall of the support seat 67. The first strap 30 and the second strap 31 are nylon webbings. A sub-Velcro 32 is provided on the inner wall of the second strap 31. The outer wall of the first strap 30 is provided with a mother Velcro 33 matching the sub-Velcro 32.

[0025] Working principle: The electric heating tape 1 is wound around the oil pipeline, and the staff rotates the rotating plate 70 to drive the rotating shaft 71 to rotate, and the rotating shaft 71 drives the winding wheel 72 to rotate, and the winding wheel 72 can wind up the first pull rope 73, and the first pull rope 73 drives the second pull rope 76, and the second pull rope 76 pulls the two sets of sliding plates 75 to move relative to each other, and the sliding plate 75 drives the plug block 74 to move, and the sliding plate 75 stretches the spring 77, and then the block 8 is inserted into the slot 9, and the staff releases the rotating plate 70. Under the action of the elastic force of the spring 77, the sliding plate 75 will drive the plug block 74 to reset, and the plug block 74 will be inserted into the socket 10 to complete the installation of the mounting block 5, and then the sub-Velcro 32 on the second strap 31 is attached to the female Velcro 33 on the first strap 30, so that the support seat 67 can be fixed on the oil pipeline, and the power supply head 2 is plugged in, the electric heating tape 1 can heat the oil pipeline, and the electric heating tape 1 is wrapped around the oil well pipeline The outer wall of the oil well pipeline is heated, and the temperature of the outer wall of the oil well pipeline will be uneven. Under the action of the heat absorbing plate 68, the heat generated by the outer wall of the oil well pipeline can be absorbed and transferred to the memory spring 66 through the heat conducting rod 64 and the heat conducting plate 65. The memory spring 66 will extend and stretch when heated (this is the characteristic of the memory spring 66, which is the prior art). The memory spring 66 squeezes the heat conducting plate 65, and the heat conducting plate 65 drives the movable rod 63 to move downward, and the movable rod 63 drives the connecting block 60 to move downward, and the connecting block 60 drives the connecting rod 61 to rotate, and the connecting rod 61 drives the mounting block 5 to move away from each other, thereby pushing the electric heating belt 1 to stretch, reducing the winding density of the electric heating belt 1 at the position where the outer wall temperature of the oil well pipeline is higher, so that the entire electric heating belt 1 can be adaptively adjusted and controlled according to the local temperature of the oil well pipeline. Similarly, when the temperature of the outer wall of the oil well pipeline returns to normal, the memory spring 66 will return to its original state, thereby restoring the winding density of the electric heating belt 1.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-limiting temperature electric heating belt connected to an adaptive adjustment mechanism, comprising an electric heating belt (1), wherein one end of the electric heating belt (1) is provided with a power supply head (2), characterized in that: The outer wall of the electric heating belt (1) is sleeved with seven groups of fixing rings (4), each of which is provided with a mounting block (5) above the seven groups of fixing rings (4), a clamping block (8) is provided at the bottom of the mounting block (5), a clamping groove (9) matching the clamping block (8) is provided at the top of the fixing ring (4), and a socket (10) is provided on the left and right side walls of the clamping groove (9), a first cavity (11) is provided inside the mounting block (5), a second cavity (12) is provided inside the clamping block (8), and the first cavity (11) is provided inside the mounting block (5). ) and a second cavity (12) are provided with a buckle assembly (7), and each of the seven groups of fixing rings (4) is provided with an adaptive adjustment mechanism (6), and the adaptive adjustment mechanism (6) includes a connecting block (60) provided between each of the fixing rings (4), and the left and right side walls of the connecting block (60) are both hingedly provided with a connecting rod (61), and one end of the two groups of connecting rods (61) is respectively hinged to the opposite side walls of the two groups of mounting blocks (5), and a sleeve (62) is provided below the connecting block (60), and the bottom of the sleeve (62) A support seat (67) is provided, and a fixing assembly (3) is provided on the outer wall of the support seat (67), and a heat absorbing plate (68) is provided on the inner wall of the support seat (67). Two groups of heat-conducting rods (64) are provided on the inner top of the sleeve (62), and one end of the two groups of heat-conducting rods (64) penetrates the inner bottom of the sleeve (62) and is connected to the outer wall of the heat absorbing plate (68). The outer walls of the two groups of heat-conducting rods (64) are sleeved with heat-conducting plates (65), and a movable rod (63) is provided on the top of the heat-conducting plate (65). The movable rod (63) One end of the movable rod (63) passes through the top of the sleeve (62) and is connected to the connecting block (60) provided on the outside. The outer wall of the movable rod (63) is sleeved with a memory spring (66). One end of the memory spring (66) is connected to the top of the sleeve (62). The other end of the memory spring (66) is connected to the top of the heat conducting plate (65). The left and right side walls of the connecting block (60) are both hinged with connecting rods (61). One ends of the two groups of connecting rods (61) are respectively hinged to the opposite side walls of the two adjacent groups of mounting blocks (5).

2. The self-limiting temperature electric heating tape connected with an adaptive adjustment mechanism according to claim 1 is characterized in that: The buckle assembly (7) comprises two groups of sliding plates (75) slidably connected in the second cavity (12), the two groups of sliding plates (75) are connected to the opposite side walls with second pull ropes (76), the two groups of sliding plates (75) are provided with plug blocks (74) on the side walls away from each other, one end of the two groups of plug blocks (74) respectively penetrates the left and right side walls in the second cavity (12) and matches the insertion hole (10), the outer walls of the two groups of plug blocks (74) are sleeved with springs (77), one end of the two groups of springs (77) are respectively connected to the side walls away from each other of the two groups of sliding plates (75), and the other end of the two groups of springs (77) are respectively It is connected to the left and right side walls of the second cavity (12), the outer wall of the second pull rope (76) is provided with a first pull rope (73), the right side wall of the first cavity (11) is connected with a rotating shaft (71) through a bearing, one end of the rotating shaft (71) passes through the left side wall of the first cavity (11) and is connected to the rotating plate (70) provided on the outside, one end of the rotating shaft (71) passes through the left side wall of the first cavity (11) and is connected to the rotating plate (70) provided on the outside, a winding wheel (72) is sleeved and installed on the outer wall of the rotating shaft (71), and one end of the first pull rope (73) is connected to the outer wall of the winding wheel (72).

3. The self-limiting temperature electric heating tape connected with an adaptive adjustment mechanism according to claim 2 is characterized in that: A guide groove is provided at the bottom of the second cavity (12), and guide blocks matching the guide groove are provided at the bottoms of the two sets of sliding plates (75).

4. The self-limiting temperature electric heating tape connected with an adaptive adjustment mechanism according to claim 1 is characterized in that: The fixing assembly (3) comprises a first strap (30) and a second strap (31) provided on the outer side wall of the support seat (67), a sub-velcro (32) being provided on the inner side wall of the second strap (31), and a mother-velcro (33) matching the sub-velcro (32) being provided on the outer side wall of the first strap (30).

5. The self-limiting temperature electric heating tape connected with an adaptive adjustment mechanism according to claim 4 is characterized in that: The first binding strap (30) and the second binding strap (31) are nylon webbing straps.

6. The self-limiting temperature electric heating tape connected with an adaptive adjustment mechanism according to claim 1 is characterized in that: The left and right side walls of the sleeve (62) are both provided with guide grooves, and the left and right side walls of the heat conducting plate (65) are both provided with guide blocks matching the guide grooves.

7. The self-limiting temperature electric heating tape connected with an adaptive adjustment mechanism according to claim 1 is characterized in that: The support seat (67) and the heat absorbing plate (68) are both arranged in an arc shape.

8. The self-limiting temperature electric heating tape connected with an adaptive adjustment mechanism according to claim 1 is characterized in that: The memory spring (66) is made of copper-zinc-aluminum alloy material.

9. The self-limiting temperature electric heating tape connected with an adaptive adjustment mechanism according to claim 2 is characterized in that: A through slot communicating with the second cavity (12) is provided at the bottom of the first cavity (11), and the first draw cord (73) is slidably connected in the through slot.

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