阅读说明：本技术 一种锚栓热缩管加热装置 (Anchor bolt heat-shrinkable tube heating device ) 是由 王志敏 丁永春 刘萍 张永 赵梦涛 李梦晗 靳逸飞 刘恺 胡涛 王浩 李星耀 于 2021-06-28 设计创作，主要内容包括：本发明涉及预应力锚栓生产技术领域,具体涉及一种锚栓热缩管加热装置。一种锚栓热缩管加热装置包括机架、上加热箱、下加热箱,本发明的锚栓热缩管加热装置的上加热箱和下加热箱之间形成有热缩加热通道,上加热箱内的上加热件通过上箱加热口对热缩加热通道内的热缩管加热,下加热箱内的下加热件通过下箱加热口对热缩加热通道内的热缩管加热,热缩管受热均匀,锚栓热缩时,只需要使锚栓的待热缩部分通过热缩加热通道即可,相比人工通过热风枪热缩的方式,本发明的热缩加热通道对热缩管进行热缩的效率更高,并且热缩管受热较为均匀,热缩质量较好,解决了目前采用热风枪热缩锚栓存在的热缩效率较低、热缩质量较差的技术问题。(The invention relates to the technical field of prestressed anchor bolt production, in particular to an anchor bolt heat-shrinkable tube heating device. The invention relates to an anchor bolt heat shrinkable tube heating device, which comprises a frame, an upper heating box and a lower heating box, wherein a heat shrinkable heating channel is formed between the upper heating box and the lower heating box of the anchor bolt heat shrinkable tube heating device, an upper heating element in the upper heating box heats a heat shrinkable tube in the heat shrinkable heating channel through an upper box heating port, a lower heating element in the lower heating box heats the heat shrinkable tube in the heat shrinkable heating channel through a lower box heating port, the heat shrinkable tube is uniformly heated, when an anchor bolt is subjected to heat shrinkage, only the part to be heat-shrunk of the anchor bolt is required to pass through the heat-shrinking heating channel, compared with the mode of manually heat-shrinking by a hot air gun, the heat-shrinking heating channel has higher efficiency of heat-shrinking the heat-shrinkable tube, and the heat shrinkage pipe is heated more evenly, and the pyrocondensation quality is better, has solved the present technical problem that adopts the pyrocondensation efficiency that hot-blast rifle pyrocondensation crab-bolt exists lower, pyrocondensation quality is relatively poor.)

1. The utility model provides an crab-bolt pyrocondensation pipe heating device which characterized in that includes:

a frame (1);

the upper heating box (2) is arranged on the rack (1) and comprises an upper box body (21) and an upper heating element arranged in the upper box body (21), and the upper box body (21) is provided with an upper box heating port (211) for downwards supplying heat to dissipate;

the lower heating box (3) is arranged on the rack (1) and comprises a lower box body (31) and a lower heating element arranged in the lower box body (31), and the lower box body (31) is provided with a lower box heating port (311) opposite to the upper box heating port (211);

a thermal shrinkage heating channel (6) for the part to be thermally shrunk of the anchor bolt to pass through is formed between the upper box heating port (211) and the lower box heating port (311).

2. The anchor bolt heat shrinkable tube heating apparatus as set forth in claim 1, wherein said upper heating member and said lower heating member are infrared heating members.

3. The anchor bolt heat shrinkable tube heating device according to claim 1, wherein an upper support (4) and a lower support (5) are provided on the frame (1), the upper heating box (2) is provided on the upper support (4), the lower heating box (3) is provided on the lower support (5), both the upper support (4) and the lower support (5) are adjustable supports with adjustable up-down positions, and the upper support (4) and the lower support (5) are adjustable in up-down positions for adjusting the size of the heat shrinkable heating channel (6).

4. The anchor bolt heat shrinkable tube heating device according to claim 3, wherein a vertically extending elongated hole (11) is formed in the frame (1), a plurality of fixing grooves (12) are formed in at least one of the hole walls on the left and right sides of the elongated hole (11) at intervals from top to bottom, at least two fixing holes for aligning with the fixing grooves (12) are formed in the adjustable bracket, the adjustable bracket is fixed on the frame (1) after a fixing bolt (8) passes through the fixing holes and the fixing grooves (12), a bolt fixing plate (9) is arranged on the side of the frame (1) opposite to the adjustable bracket, and at least two threaded holes in threaded fit with the fixing bolt (8) are formed in the bolt fixing plate (9);

the rectangular holes (11) are arranged in parallel at intervals, and the side walls, provided with the fixing grooves (12), of the rectangular holes (11) face towards the same direction, so that after the fixing bolts (8) are unscrewed, the fixing bolts (8) can be separated from the fixing grooves (12) into the rectangular holes (11) through integral translation, and the adjustable support can move up and down in the rectangular holes (11).

5. The anchor bolt heat shrinkable tube heating apparatus as set forth in claim 3, wherein the relative positions of said upper heating box (2) and said upper frame (4) are adjustable back and forth, and the relative positions of said lower heating box (3) and said lower frame (5) are adjustable back and forth.

6. The anchor bolt heat shrinkable tube heating apparatus as claimed in any one of claims 1 to 5, wherein said frame (1) has rollers (14) at a bottom thereof for adjusting a relative position of the anchor bolt heat shrinkable tube heating apparatus and the anchor bolt by moving the frame (1).

7. The anchor-bolt heat-shrinkable tube heating apparatus as set forth in any one of claims 1 to 5, wherein a ventilation chamber and a heating chamber for accommodating a heating member are provided in at least one of said upper case (21) and said lower case (31), the ventilation chamber being separated from the heating chamber by a partition having an opening forming said upper-case heating port (211) or said lower-case heating port (311), the partition enclosing said heating chamber so that said heating chamber is fitted into the ventilation chamber.

8. The anchor-bolt heat shrinkable tube heating apparatus according to claim 7, wherein the upper heating box (2) is provided with an upper heat-radiating fan (23) for radiating heat to the ventilation chamber of the upper heating box (2), and the lower heating box (3) is provided with a lower heat-radiating fan (33) for radiating heat to the ventilation chamber of the lower heating box (3).

9. The anchor bolt heat shrinkable tube heating device as claimed in any one of claims 1 to 5, wherein the upper heating member and the lower heating member are heating tubes extending forward and backward, the heating tube is provided with connecting terminals (7) at both ends forward and backward, an end baffle (35) is provided at a lower box heating port (311) of the lower box body (31), the end baffle (35) is located above the connecting terminal (7) in the lower heating box (3) and used for shielding the connecting terminal (7) in the lower box body (31), a grease collecting hopper (34) is provided at the bottom of a heating chamber of the lower heating box (3), the grease collecting hopper (34) is used for collecting grease dripped on the anchor bolt, an upper side plate surface of the end baffle (35) is a slope-shaped guide surface, and the slope-shaped guide surface is used for guiding the dripped grease to enter the grease collecting hopper (34).

10. The anchor bolt heat shrink tube heating device according to any one of claims 1 to 5, wherein a fan housing (102) is provided at an upper side of the upper heating box (2), the fan housing (102) being connected to an exhaust fan for drawing exhaust gas to a gas purification system.

Technical Field

The invention relates to the technical field of prestressed anchor bolt production, in particular to an anchor bolt heat-shrinkable tube heating device.

Background

The application publication number CN106638657A discloses an anticorrosion method for a prestressed anchor bolt assembly, which comprises the steps of coating anticorrosion grease on the whole length of an anchor bolt, coating a PE pipe after penetrating the anchor bolt, heating two ends of the heat-shrinkable pipe to shrink the two ends of the heat-shrinkable pipe to tightly wrap the PE pipe, and thus sealing the anchor bolt.

At present usually carry out the pyrocondensation operation through the hot-blast rifle to the both ends of pyrocondensation pipe, operating efficiency is low, and the hot-blast rifle is when the pyrocondensation to the crab-bolt, the temperature of hot-blast rifle need rise to 600 ℃ after just can carry out the pyrocondensation to the crab-bolt pyrocondensation pipe, heat shrinkage in-process hot-blast rifle manual control removes the heating, and need manual upset crab-bolt, phenomenons such as pyrocondensation inequality or burn pyrocondensation pipe often appear, cause between pyrocondensation pipe and the crab-bolt pyrocondensation untight, form the bubble etc., thereby influence corrosion protection, reduce crab-bolt life. In summary, the existing heat shrinkage mode of the heat gun has the problems of low heat shrinkage efficiency and poor heat shrinkage quality.

Disclosure of Invention

The invention aims to provide an anchor bolt heat-shrinkable tube heating device which is used for solving the technical problems of low heat-shrinkable efficiency and poor heat-shrinkable quality of the existing heat-shrinkable anchor bolt adopting a heat gun.

The invention relates to an anchor bolt heat shrinkable tube heating device, which adopts the following technical scheme:

an anchor bolt heat shrinkable tube heating device includes:

a frame;

the upper heating box is arranged on the rack and comprises an upper box body and an upper heating element arranged in the upper box body, and the upper box body is provided with an upper box heating port for dissipating heat downwards;

the lower heating box is arranged on the rack and comprises a lower box body and a lower heating element arranged in the lower box body, and the lower box body is provided with a lower box heating opening opposite to the upper box heating opening;

a thermal shrinkage heating channel for the anchor bolt to pass through the part to be thermally shrunk is formed between the upper box heating port and the lower box heating port.

Has the advantages that: the heat-shrinkable heating channel is formed between the upper heating box and the lower heating box of the anchor bolt heat-shrinkable tube heating device, the upper heating element in the upper heating box heats the heat-shrinkable tube in the heat-shrinkable heating channel through the upper box heating port, the lower heating element in the lower heating box heats the heat-shrinkable tube in the heat-shrinkable heating channel through the lower box heating port, the heat-shrinkable tube is uniformly heated, and when the anchor bolt is subjected to heat shrinkage, only the part to be subjected to heat shrinkage of the anchor bolt needs to pass through the heat-shrinkable heating channel.

Further, the upper heating member and the lower heating member are infrared heating members. The infrared heating element is heated by infrared electromagnetic radiation, so that the efficiency and the energy are high.

Furthermore, an upper support and a lower support are arranged on the rack, the upper heating box is arranged on the upper support, the lower heating box is arranged on the lower support, the upper support and the lower support are adjustable supports with adjustable upper and lower positions, and the upper support and the lower support are adjustable in upper and lower positions and used for adjusting the size of the thermal shrinkage heating channel. The positions of the upper heating box and the lower heating box can be adjusted through the upper support and the lower support, so that the thermal shrinkage heating channel is suitable for thermal shrinkage pipes with more sizes.

Furthermore, a long hole extending up and down is formed in the rack, a plurality of fixing grooves are formed in at least one of the hole walls on the left side and the right side of the long hole at intervals from top to bottom, at least two fixing holes used for being aligned with the fixing grooves are formed in the adjustable support, the adjustable support is fixed on the rack after a fixing bolt penetrates through the fixing holes and the fixing grooves, a bolt fixing plate is arranged on one side, opposite to the adjustable support, of the rack, and at least two threaded holes in threaded fit with the fixing bolt are formed in the bolt fixing plate; the parallel interval in rectangular hole sets up two at least, and is provided with the lateral wall orientation unanimity of fixed slot on each rectangular hole to make each fixing bolt deviate from to rectangular downthehole in the fixed slot through whole translation messenger after the fixing bolt is unscrewed, and then make adjustable support reciprocate in rectangular downthehole. Through rectangular hole and fixed slot cooperation, fixing bolt gets into in the rectangular hole from the fixed slot, and in the back fixing bolt that the adjustment targets in place can get into the fixed slot from the rectangular hole, fixing bolt need not demolish among the accommodation process to can hold fixing bolt through the fixed slot, keep the position motionless under adjustable bracket's action of gravity, the adjustable bracket's of being convenient for is fixed.

Furthermore, the relative position of the upper heating box and the upper support can be adjusted back and forth, and the relative position of the lower heating box and the lower support can be adjusted back and forth. The relative position of the heating box and the anchor bolt can be adjusted by adjusting the front and back positions of the upper heating box and the lower heating box.

Furthermore, the bottom of the rack is provided with a roller for adjusting the relative position of the anchor bolt heat-shrinkable tube heating device and the anchor bolt by moving the rack. When the position difference of the anchor bolt and the heating device is large, the heating device can be moved through the roller.

Furthermore, at least one of the upper box body and the lower box body is internally provided with a ventilation chamber and a heating chamber for accommodating heating elements, the ventilation chamber is separated from the heating chamber through a partition plate, the heating chamber is provided with an opening for forming a heating opening of the upper box or a heating opening of the lower box, and the partition plate surrounds the heating chamber so that the heating chamber is embedded into the ventilation chamber. Reduce the temperature of ventilation chamber place box, avoid scalding operating personnel.

Furthermore, the upper heating box is provided with an upper heat radiation fan for radiating the ventilation chamber of the upper heating box, and the lower heating box is provided with a lower heat radiation fan for radiating the ventilation chamber of the lower heating box. The heat in the ventilation chamber is quickened to be dissipated, and the heat dissipation effect is improved.

Further, go up heating member and heating pipe that heating member extended around for with lower heating member, both ends are provided with binding post around the heating pipe, the nowel heating port department of nowel box is provided with the tip baffle, and the top that the tip baffle is in the nowel terminal of connecting wire is used for sheltering from the binding post in the nowel box, the heating chamber bottom of nowel box sets up grease and collects and fights, and grease is collected and fights and is used for collecting the grease that drips on the crab-bolt, tip baffle upside face is the slope guide face, and the slope guide face is used for guiding the grease that drips on the crab-bolt to get into in the grease is collected and fights. The heat pipe connecting terminal is prevented from being polluted by grease, and the service life of the heat pipe connecting terminal is prolonged.

Further, a fan cover is arranged on the upper side of the upper heating box and connected with an exhaust fan, and the exhaust fan is used for pumping the waste gas to the gas purification system. Waste gas can be pumped away through the fan cover, and the working environment is purified.

Drawings

Fig. 1 is an isometric view of an anchor bolt heat shrinkable tube heating apparatus according to embodiment 1 of the present invention;

FIG. 2 is a sectional view of the anchor bolt heat shrinkable tube heating apparatus according to embodiment 1 of the present invention;

FIG. 3 is another sectional view showing the anchor bolt heat shrinkable tube heating apparatus according to embodiment 1 of the present invention;

FIG. 4 is a schematic view showing the construction of an upper heating box in embodiment 1 of the anchor bolt heat shrinkable tube heating apparatus according to the present invention;

FIG. 5 is a schematic view showing a lower heating box in embodiment 1 of the anchor bolt heat shrinkable tube heating apparatus according to the present invention;

fig. 6 is a schematic view of an installation structure of an upper heating box and a frame in embodiment 1 of an anchor bolt heat shrinkable tube heating apparatus according to the present invention;

fig. 7 is a schematic view showing another installation structure of the upper heating box and the frame in embodiment 1 of the anchor bolt heat shrinkable tube heating apparatus of the present invention;

fig. 8 is a sectional view of a junction between an adjustable bracket and a frame in embodiment 1 of an anchor bolt heat shrinkable tube heating apparatus according to the present invention;

in the figure: 1. a frame; 11. a strip hole; 12. fixing grooves; 13. a column; 14. a roller; 2. an upper heating box; 21. an upper box body; 211. an upper box heating port; 212. an upper box heating chamber; 213. an upper box ventilation chamber; 214. an upper tank baffle; 215. heat dissipation holes of the upper box body; 216. a protective net; 22. an upper heating pipe; 23. an upper heat dissipation fan; 3. a lower heating box; 31. a lower box body; 311. a lower box heating port; 312. a lower box heating chamber; 313. a lower box ventilation chamber; 314. a lower box body partition plate; 315. heat dissipation holes of the lower box body; 32. a lower heating pipe; 33. a lower heat dissipation fan; 34. a grease collecting hopper; 35. an end baffle; 4. an upper bracket; 5. a lower bracket; 6. a thermal shrinkage heating channel; 7. a wiring terminal; 8. fixing the bolt; 9. a bolt fixing plate; 10. a slide rail; 101. a controller; 102. a fan cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The specific embodiment 1 of the anchor bolt heat shrinkable tube heating device of the present invention:

as shown in fig. 1, the anchor bolt heat shrink tube heating device includes a frame 1, an upper heating box 2, and a lower heating box 3, wherein the upper heating box 2 is fixed on the frame 1 by an upper bracket 4, and the lower heating box 3 is fixed on the frame 1 by a lower bracket 5. The upper heating box 2 and the lower heating box 3 are arranged at intervals up and down.

As shown in fig. 1 to 5, the upper heating box 2 includes an upper box body 21 and an upper heating pipe 22 disposed in the upper box body 21, the upper box body 21 has an upper box heating port 211 for dissipating heat downward, the lower heating box 3 includes a lower box body 31 and a lower heating pipe 32 disposed in the lower box body 31, the lower box body 31 has a lower box heating port 311 opposite to the upper box heating port 211, and a heat-shrinkable heating passage 6 for passing a portion to be heat-shrunk of an anchor bolt is formed between the upper box heating port 211 and the lower box heating port 311. The upper tank heating port 211 is provided with a protective mesh 216. Treat that pyrocondensation pipe of pyrocondensation passes through pyrocondensation heating channel 6, under the combined action of last heating cabinet 2 and lower heating cabinet 3, can accomplish the pyrocondensation, and the pyrocondensation pipe is heated evenly, and easy operation, and the pyrocondensation is efficient. The upper heating pipe 22 in this embodiment constitutes an upper heating member provided in the upper casing, and the lower heating pipe 32 constitutes a lower heating member.

In this embodiment, a heating chamber and a ventilation chamber are provided in both the upper box 21 and the lower box 31, the ventilation chamber and the heating chamber are separated by a partition, the heating chamber is surrounded by the partition, the upper box heating chamber 212 is surrounded by the upper box partition 214, the upper box heating port 211 is formed by the bottom opening of the upper box heating chamber 212, the lower box heating chamber 312 is surrounded by the lower box partition 314, and the lower box heating port 311 is formed by the top opening of the lower box heating chamber 312, so that the heating chamber is embedded in the ventilation chamber. The ventilation chamber is used for separating the box walls of the box body where the heating chamber and the ventilation chamber are located, the temperature of the box walls of the upper box body 21 and the lower box body 31 is reduced, and people are prevented from being scalded when contacting the box bodies. The upper cabinet 21 and the front, rear, left, right, and upper sides of the upper cabinet heating chamber 212 are separated by an upper cabinet ventilation chamber 213, and the lower cabinet 31 and the front, rear, left, right, and lower sides of the lower cabinet heating chamber 312 are separated by a lower cabinet ventilation chamber 313.

In order to accelerate the heat dissipation, the upper heating box 2 is provided with an upper heat dissipation fan 23 at an upper side of the upper heating box 2 for dissipating heat from the upper box ventilation chamber 213, and the lower heating box 3 is provided with a lower heat dissipation fan 33 at a lower side of the lower heating box 3 for dissipating heat from the lower box ventilation chamber 313. In this embodiment, the upper cooling fan 23 and the lower cooling fan 33 are both provided with two fans and used for blowing air into the corresponding ventilation chambers, and the front, rear, left and right walls of the upper box 21 and the lower box 31 are respectively provided with an upper box heat dissipation hole 215 and a lower box heat dissipation hole 315. In other embodiments, the upper and lower heat dissipation fans may be used to draw air into the ventilation chamber.

Because in the anchor bolt pyrocondensation process, the grease of anchor bolt tip drips on heating cabinet 3 easily, in order to collect the grease, heating cabinet heating chamber 312 bottom sets up grease collection fill 34 down, and grease collection fill 34 is used for collecting the grease that drips on the anchor bolt, and the export of grease collection fill 34 is drawn out heating cabinet 3 after passing lower box 31.

The upper heating pipe and the lower heating pipe in the embodiment are both infrared heating members, specifically infrared heating quartz tubes. The front end and the rear end of the upper heating pipe and the rear end of the lower heating pipe are respectively provided with a wiring terminal 7, and the wiring terminals 7 are fixed on a partition plate for separating the ventilation chamber and the heating chamber. In order to prevent grease from dropping on the terminal 7 and affecting the service life of the terminal 7, in the present embodiment, an end baffle 35 is disposed at the lower box heating port 311, and the end baffle 35 is used for shielding the terminal 7 on the lower box 31. The upper side plate surface of the end baffle 35 is a slope-shaped guide surface which is used for guiding the grease dropped from the heat shrinkable tube into the grease collecting bucket 34.

In this embodiment, in order to adapt to anchor bolts and heat shrinkable tubes of different sizes, the size of the heat shrinkable heating channel 6 in the vertical direction can be adjusted. The upper support 4 and the lower support 5 are adjustable supports with adjustable upper and lower positions, and the upper and lower positions of the upper support 4 and the lower support 5 are adjustable for adjusting the size of the thermal shrinkage heating channel 6.

As shown in fig. 6 to 8, two elongated holes 11 are formed in the frame 1 and spaced from left to right and extending vertically, a plurality of fixing grooves 12 are formed in the left hole wall of each elongated hole 11 and spaced from top to bottom, three fixing holes for aligning with the fixing grooves 12 are formed in the adjustable support, and the fixing bolts 8 pass through the fixing holes and the fixing grooves 12 to fix the adjustable support on the frame 1. The adjustable support is arranged on the front side of the rack 1, the rear side of the rack 1 is provided with a bolt fixing plate 9, and three threaded holes in threaded fit with the fixing bolts 8 are formed in the bolt fixing plate 9. The bolt fixing plate 9 can simplify the fixing structure of the fixing bolt, and the plate surface on one side of the bolt fixing plate is in sliding fit with the vertical plane of the rack in the adjusting process, so that the adjustable support moves more stably. When the adjustable support needs to be lifted or lowered, the fixing bolt 8 is unscrewed, the fixing bolt 8 can be separated from the fixing groove 12 through the integral translation moving frame, after the fixing bolt 8 moves upwards or downwards for a certain distance in the strip hole 11, the fixing bolt 8 can enter the fixing groove 12 through the transverse translation moving frame, and the fixing bolt 8 is screwed again. Fixing bolt 8 does not need to be dismantled in the adjustment process, and adjustable support height control efficiency is higher.

In order to prevent the fixing bolt 8 from being easily released from the fixing groove 12, in this embodiment, the notches of the fixing groove 12 opposite to the groove bottom are arranged obliquely upward, and the direction of the notch of each fixing groove 12 opposite to the groove bottom is the same, so that when the adjustable bracket is translated, the fixing bolt 8 can be released from the fixing groove 12 by lifting the adjustable bracket.

In this embodiment, the frame 1 includes two vertical columns 13 extending vertically, the vertical columns 13 are formed of C-shaped steel with a rearward opening, and the elongated holes 11 are formed in the vertical columns 13.

The upper bracket 4 and the lower bracket 5 in the embodiment are symmetrical up and down, and are installed in the same way as the rack 1.

In order to adjust the horizontal position of the heat-shrinkable heating passage 6, the positions of the upper heating box 2 and the upper support 4 are adjustable back and forth, and the positions of the lower heating box 3 and the lower support 5 are adjustable back and forth in this embodiment. The adjustable support is provided with a sliding rail 10 extending forwards and backwards, the upper heating box 2 and the lower heating box 3 are fixed on the sliding rail 10 through bolts, when the positions of the upper heating box 2 and the lower heating box 3 need to be adjusted, the bolts are loosened, the heating box is moved, and after the heating box is moved in place, the heating box is fixed again.

When the heating device is used, the adjusting range of the movable heating box is limited. In this embodiment, the bottom of the rack 1 is provided with the roller 14, and when the heating box needs to be moved to a larger position, the relative position between the anchor bolt heat shrink tube heating device and the anchor bolt can be adjusted by moving the rack.

Since the heating pipe in this embodiment is an infrared pipe, in order to protect the eyes of the operator, light barriers and flexible heat insulation curtains (not shown) are disposed on the left and right sides of the upper box 21, wherein the light barriers can also reduce the energy leakage. The heat insulation curtain is made of high-temperature-resistant fireproof materials, and silicon-titanium alloy cloth is adopted as the materials for reducing energy loss.

In this embodiment, can produce waste gas in the pyrocondensation process, in order to prevent waste gas pollution environment, the upside of going up heating cabinet 2 is provided with fan housing 102, and fan housing 102 is connected with the air exhauster, and the air exhauster is used for drawing waste gas to gas purification system.

The top of the rack 1 is provided with a controller 101, and the controller 101 comprises a start button, a stop button, an emergency stop button, a control option knob, a phase sequence indicator and a temperature controller. The control option knob is used for selecting a local control mode and a remote control mode. The phase sequence indication is used for checking the wiring condition of the three-phase power line, and if the phase sequence wiring is wrong, the phase sequence indicator lamp is turned on. The temperature controller is used for regulating and controlling and displaying the temperature of the upper heating box 2 and the lower heating box 3, the temperature of the upper heating box 2 and the temperature of the lower heating box 3 can be regulated according to the heating space, the external environment temperature, the thermal shrinkage process and the like, and the highest temperature can be regulated to 380 ℃.

When the anchor bolt heat shrinkable tube heating device is used, the front end of the anchor bolt extending forwards and backwards moves left and right to pass through the heat shrinkable heating channel 6, the end part of the heat shrinkable tube on the anchor bolt is subjected to heat shrinkage in the process of passing through the heat shrinkable heating channel 6, the operation is simple in the heat shrinkage process, and the heat-shrunk part of the heat shrinkable tube is uniformly heated.

Because the anchor bolt specification is more, the position of pyrocondensation pipe is different, and the anchor bolt diameter is different. For anchor bolts with different diameters, the sizes of the thermal shrinkage heating channel 6 in the vertical direction are required to be different, and in the heating device, for anchor bolts with different diameters, the sizes of the thermal shrinkage heating channel 6 in the vertical direction can be adjusted through the adjustable bracket. For anchor bolts with different lengths, the positions of the heat shrinkage pipes are different, and the positions of the heat shrinkage heating channels 6 can be changed by adjusting the front and back positions of the upper heating box 2 and the lower heating box 3, so that the anchor bolts are suitable for the change of the heat shrinkage positions. When the position is needed to be adjusted to be larger, the whole heating device can be moved by the roller to be adjusted.

The present invention relates to an embodiment 2 of an anchor bolt heat shrinkable tube heating apparatus, which is different from the above embodiments only in that: in this embodiment, a heating chamber and a ventilation chamber are provided in the upper case. The lower box body is not provided with a ventilation chamber and is only provided with a heating chamber. In other embodiments, the above box body is not provided with a ventilation chamber.

The present invention relates to an embodiment 3 of an anchor bolt heat shrinkable tube heating apparatus, which is different from the above embodiments only in that: in this embodiment, the heating chamber and the ventilation chamber are arranged up and down, the partition plate of the upper box body and part of the box wall of the upper box body enclose the heating chamber, and the partition plate of the lower box body and the box wall of the lower box body enclose the heating chamber of the lower box body.

An embodiment 4 of the anchor bolt heat shrinkable tube heating apparatus of the present invention is different from the above embodiments only in that: in this embodiment, the ventilation chamber relies on natural draft, does not set up radiator fan on the heating cabinet.

An embodiment 5 of the anchor bolt heat shrinkable tube heating apparatus of the present invention is different from the above embodiments only in that: in this embodiment, the lower box heating port department of lower heating cabinet is provided with the water conservancy diversion net, and the water conservancy diversion net is used for sheltering from the heating pipe, and the guide grease falls to the side of heating pipe. In other embodiments, the bottom side plate of the lower box body can be directly provided with a grease outlet for grease to flow out. In other embodiments, the grease can be temporarily stored in the lower box body and cleaned regularly.

An embodiment 6 of the anchor bolt heat shrinkable tube heating apparatus of the present invention is different from the above embodiments only in that: in this embodiment, the upper heating member and the lower heating member are resistance wires.

An embodiment 7 of the anchor bolt heat shrinkable tube heating apparatus of the present invention is different from the above embodiments only in that: in this embodiment, the upper heating box and the lower heating box are directly fixed on the frame, and the upper and lower positions are not adjustable. Similarly, the front and back positions of the upper heating box and the lower heating box can be not adjustable. In other embodiments, the adjustable bracket may also be adjusted up and down by other means, such as providing a plurality of adjusting holes spaced up and down on the upright, or adjusting by a screw-nut mechanism.

An embodiment 8 of the anchor bolt heat shrinkable tube heating apparatus of the present invention is different from the above embodiments only in that: in this embodiment, the notches of the fixing slots face in the horizontal direction.

An embodiment 9 of the anchor bolt heat shrinkable tube heating apparatus of the present invention is different from the above embodiments only in that: in this embodiment, the upper heating box is adjusted in front and rear positions by the lead screw nut mechanism. In the same way, the front and back positions of the lower heating box are also adjusted through the lead screw nut mechanism.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.