CN110631770B - Floor heating water pipe heat conductivity check out test set - Google Patents
Floor heating water pipe heat conductivity check out test set Download PDFInfo
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- CN110631770B CN110631770B CN201911090209.0A CN201911090209A CN110631770B CN 110631770 B CN110631770 B CN 110631770B CN 201911090209 A CN201911090209 A CN 201911090209A CN 110631770 B CN110631770 B CN 110631770B
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- sliding block
- floor heating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
Abstract
The invention discloses a device for detecting the thermal conductivity of a floor heating water pipe, which comprises a working box and a working cavity in the working box, wherein the upper right side of the working cavity is outwards opened, an object placing table is arranged in the working cavity in a sliding manner, a sealing ring is fixedly arranged in the object placing table, a heating rod is fixedly arranged on the upper end surface of the sealing ring, the floor heating water pipe to be detected is placed in the object placing table, the device can respectively detect the tightness and the thermal conductivity of the floor heating water pipe, the floor heating water pipe to be detected is placed in the device, the device can feed water into the floor heating water pipe, the upper opening of the floor heating water pipe is sealed after the water is fed, the floor heating water pipe rotates, if water absorbing paper is not wet, the tightness of the floor heating water pipe is better, the water in the floor heating water pipe is heated, if the device stops running after a period of time, the thermal conductivity of the floor heating water pipe is better, the device, the detection result is accurate.
Description
Technical Field
The invention relates to the technical field of floor heating water pipe detection, in particular to a floor heating water pipe heat conductivity detection device.
Background
The floor heating pipe is a pipe used as a low-temperature hot water circulating flow carrier in a low-temperature hot water ground radiation heating system, equipment for detecting the heat conductivity of a floor heating water pipe is not available in the market, and if the floor heating water pipe with poor heat conductivity is laid on the ground, the floor heating water pipe with poor heat conductivity can be affected by water leakage, poor heat conductivity and the like, so that the use cost is increased, therefore, the floor heating water pipe heat conductivity detection equipment is urgently needed to solve the problems, and the invention improves the defects.
Disclosure of Invention
The invention aims to provide a device for detecting the heat conductivity of a floor heating water pipe, which overcomes the problems.
The invention is realized by the following technical scheme.
A floor heating water pipe heat conductivity detection device comprises a working box and a working chamber in the working box, wherein the upper right side of the working chamber is outwards opened, a storage table is arranged in the working chamber in a sliding mode, a sealing ring is fixedly arranged in the storage table, a heating rod is fixedly arranged on the upper end face of the sealing ring, a floor heating water pipe to be detected is placed in the storage table, the lower opening of the floor heating water pipe can be sealed by the sealing ring, a detection box positioned on the upper side of the storage table is fixedly arranged on the upper wall of the working chamber, water absorption paper is fixedly arranged on the inner end wall of the detection box in the circumferential direction, the water absorption paper can detect whether the floor heating water pipe leaks water, a detection chamber is arranged in the detection box, the detection chamber is downwards opened, a fixed connecting rod is fixedly arranged on the upper wall of the detection chamber, a heat insulation plate is fixedly arranged on the lower end face of the fixed connecting rod, the heat insulation plate can seal the upper opening, the detection case right-hand member face sets firmly there is the reaction box, be equipped with the reaction chamber in the reaction box, the reaction chamber with the detection chamber passes through the blast pipe intercommunication, the exhaust pipe inner chamber wall sets firmly the heat preservation cotton, the slip is equipped with the piston in the reaction chamber, the terminal surface has set firmly the push rod under the piston, the piston with the reaction chamber passes through a spring coupling, the reaction bottom of the case portion has set firmly detection device, detection device detectable ground warm water pipe's heat conductivity.
Furthermore, a fixed block positioned at the left side of the object placing table is fixedly arranged on the left cavity wall of the working cavity, a first sliding chute which is opened upwards is fixedly arranged in the fixed block, a first sliding block is arranged in the first sliding groove in a sliding manner, the first sliding block is connected with the first sliding groove through a second spring, a fixed rod is fixedly arranged on the upper end surface of the first sliding block, a water tank is fixedly arranged on the upper end surface of the fixed rod, a water cavity is arranged in the water tank, the water cavity is opened upwards, a rectangular hole positioned at the upper side of the water tank is arranged on the left end wall of the working box in a penetrating way, water can be added into the water cavity through the rectangular holes, a water pump is fixedly arranged at the top of the right end wall of the water tank, water pipes are fixedly arranged on the left end surface and the right end surface of the water pump, when the first sliding block slides to the right wall of the first sliding groove, the water pump is started to pump water in the water cavity into the floor heating water pipe through the water pipe.
Further, a motor shaft located on the lower side of the object placing table is fixedly arranged on the wall of the lower cavity of the working cavity, a motor shaft is dynamically connected to the upper end face of the motor shaft, a ratchet wheel is fixedly arranged on the motor shaft, a threaded rod is fixedly arranged on the upper end face of the motor shaft, a threaded sleeve is in threaded connection with the outer end face of the threaded rod, a first bevel gear is fixedly arranged at the tail end of the bottom of the threaded sleeve, the upper end face of the threaded sleeve is fixedly connected to the lower end face of the object placing table, a first annular cavity is fixedly arranged in the top of the threaded sleeve and is opened outwards, a second chute which is opened rightwards is fixedly arranged at the right end of the threaded sleeve, the second chute is located on the lower side of the first annular cavity and is communicated with the first annular cavity, a second annular cavity located on the lower side of the second, the second sliding block is arranged in the first annular cavity in a sliding mode, the right end face of the second sliding block is fixedly provided with a sliding rod, the right end wall of the working box is fixedly provided with a third sliding groove with an opening facing left, the upper cavity wall of the third sliding groove is fixedly provided with an electromagnet, a third sliding block located on the lower side of the electromagnet is arranged in the third sliding groove in a sliding mode, the third sliding block is connected with the third sliding groove through a third spring, the sliding rod extends rightwards, and the sliding rod is fixedly connected to the left end face of the third sliding block.
Further, the detection device comprises a fourth chute positioned at the bottom of the reaction box, the fourth chute is opened upwards, a circular sliding block is arranged in the fourth chute in a sliding manner, the circular sliding block is connected with the bottom wall of the fourth chute through a fourth spring, a fifth chute positioned at the right side of the motor shaft is fixedly arranged at the bottom of the working box, a fourth sliding block is arranged in the fifth chute in a sliding manner, the left end surface of the fourth sliding block is connected with the left cavity wall of the fifth chute through a fifth spring, the right end surface of the fourth sliding block is connected with the lower end surface of the circular sliding block through a first pull rope, a transmission shaft is fixedly arranged on the upper end surface of the fourth sliding block, a pawl positioned at the right side of the ratchet wheel is fixedly arranged on the transmission shaft, when the push rod slides downwards to extrude the circular sliding block, the circular sliding block slides downwards to release the first pull rope, and the first pull rope is released to, and the fifth spring is reset to drive the fourth sliding block to slide leftwards, so that the pawl slides leftwards to abut against the ratchet wheel, and the rotation of the motor shaft is limited.
Furthermore, a belt rotating shaft is rotatably arranged on the rear cavity wall of the working cavity, a second bevel gear is fixedly arranged at the front end of the belt rotating shaft, the second bevel gear is meshed with the first bevel gear, a first belt wheel positioned at the rear side of the second bevel gear is fixedly arranged on the belt rotating shaft, a rotating shaft positioned on the left side of the belt rotating shaft is rotatably arranged on the front cavity wall and the rear cavity wall of the working cavity, a second belt wheel positioned on the left side of the first belt wheel is fixedly arranged on the rotating shaft, the second belt wheel is in transmission connection with the first belt wheel through a belt, a winding wheel positioned on the front side of the second belt wheel is fixedly arranged on the rotating shaft, the winding wheel is connected with the right end face of the first sliding block through a second pull rope, when the first bevel gear is meshed with the second bevel gear, the winding wheel rotates to retract the second pull rope, and the second pull rope is retracted to enable the first sliding block to slide rightwards.
The invention has the beneficial effects that: the floor heating water pipe sealing device can detect the sealing performance and the heat conductivity of the floor heating water pipe respectively, the floor heating water pipe to be detected is placed into the floor heating water pipe sealing device, water can be led into the floor heating water pipe, the upper opening of the floor heating water pipe is sealed after the water is led into the floor heating water pipe, the floor heating water pipe rotates, if the water absorption paper is not wet, the sealing performance of the floor heating water pipe is good, the water in the floor heating water pipe is heated, and if the floor heating water pipe stops running after a period of time, the heat conductivity of the floor heating water pipe is good.
Drawings
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Fig. 1 is a schematic overall structure diagram of a floor heating pipe thermal conductivity detection apparatus according to the present invention;
FIG. 2 is a schematic view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic view of the structure at B in FIG. 1;
fig. 4 is a schematic structural diagram at C in fig. 1.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in fig. 1-4, a device for detecting the thermal conductivity of a floor heating pipe comprises a working box 10 and a working chamber 11 in the working box 10, wherein the upper right side of the working chamber 11 is opened outwards, a placing table 41 is arranged in the working chamber 11 in a sliding manner, a sealing ring 70 is fixedly arranged in the placing table 41, a heating rod 40 is fixedly arranged on the upper end surface of the sealing ring 70, the floor heating pipe 39 to be detected is placed in the placing table 41, the lower opening of the floor heating pipe 39 can be sealed by the sealing ring 70, a detection box 25 positioned on the upper side of the placing table 41 is fixedly arranged on the upper wall of the working chamber 11, water absorption paper 24 is fixedly arranged on the inner circumferential end wall of the detection box 25, the water absorption paper 24 can detect whether the floor heating pipe 39 leaks, a detection chamber 26 is arranged in the detection box 25, the detection chamber 26 is opened downwards, a fixed connecting rod 29 is fixedly arranged on the upper wall of the, the lower terminal surface of fixed connecting rod 29 has set firmly heat insulating board 28, heat insulating board 28 can seal ground warm water pipe 39 upper port, detection case 25 right-hand member has set firmly and is located the one-way air outlet valve 27 on heat insulating board 28 right side, detection case 25 right-hand member face has set firmly reaction box 32, be equipped with reaction chamber 33 in the reaction box 32, reaction chamber 33 with it passes through exhaust pipe 30 intercommunication to detect chamber 26, the cavity wall has set firmly heat preservation cotton 31 in the exhaust pipe 30, it is equipped with piston 34 to slide in the reaction chamber 33, the terminal surface has set firmly push rod 35 under the piston 34, piston 34 with reaction chamber 33 is connected through first spring 36, reaction box 32 bottom has set firmly detection device 71, detection device 71 detectable ground warm water pipe 39's heat conductivity.
Beneficially, a fixed block 14 located on the left side of the object placing table 41 is fixedly arranged on the left cavity wall of the working cavity 11, a first sliding chute 15 with an upward opening is fixedly arranged in the fixed block 14, a first sliding block 16 is slidably arranged in the first sliding chute 15, the first sliding block 16 is connected with the first sliding chute 15 through a second spring 37, a fixed rod 17 is fixedly arranged on the upper end surface of the first sliding block 16, a water tank 18 is fixedly arranged on the upper end surface of the fixed rod 17, a water cavity 19 is arranged in the water tank 18, the water cavity 19 is upwardly opened, a rectangular hole 21 located on the upper side of the water tank 18 is arranged on the left end wall of the working box 10 in a penetrating manner, water can be added into the water cavity 19 through the rectangular hole 21, a water pump 22 is fixedly arranged on the top of the right end wall of the water tank 18, water pipes 20 are fixedly arranged on the left and right end surfaces of the water pump 22, the water pump 22 is started to pump the water in the water cavity 19 into the floor heating water pipe 39 through the water pipe 20.
Advantageously, a motor 58 is fixedly arranged on the lower cavity wall of the working cavity 11 and located on the lower side of the object placing table 41, a motor shaft 50 is dynamically connected to the upper end surface of the motor 58, a ratchet wheel 56 is fixedly arranged on the motor shaft 50, a threaded rod 48 is fixedly arranged on the upper end surface of the motor shaft 50, a threaded sleeve 12 is threadedly connected to the outer end surface of the threaded rod 48, a first bevel gear 64 is fixedly arranged at the bottom end of the threaded sleeve 12, the upper end surface of the threaded sleeve 12 is fixedly connected to the lower end surface of the object placing table 41, a first annular cavity 13 is fixedly arranged in the top of the threaded sleeve 12, the first annular cavity 13 is open outwards, a second sliding groove 73 which is open to the right is fixedly arranged at the right end of the threaded sleeve 12, the second sliding groove 73 is located on the lower side of the first annular cavity 13 and is communicated with the first annular cavity 13, a second annular, the second annular cavity 65 with the second spout 73 intercommunication, it is equipped with second slider 47 to slide in the first annular cavity 13, second slider 47 right-hand member face has set firmly slide bar 46, work box 10 right-hand member wall has set firmly left open-ended third spout 43, the wall has set firmly electro-magnet 42 on the third spout 43, it is equipped with in the third spout 43 to slide and is located the third slider 44 of electro-magnet 42 downside, third slider 44 with the third spout 43 is connected through third spring 45, slide bar 46 extends to the right, fixed connection in the third slider 44 left end face.
Advantageously, the detecting device 71 includes a fourth sliding chute 69 located at the bottom of the reaction box 32, the fourth sliding chute 69 is open upward, a circular slider 68 is slidably disposed in the fourth sliding chute 69, the circular slider 68 is connected to the bottom wall of the fourth sliding chute 69 through a fourth spring 67, a fifth sliding chute 57 located at the right side of the motor 58 is fixedly disposed at the bottom of the work box 10, a fourth slider 53 is slidably disposed in the fifth sliding chute 57, the left end surface of the fourth slider 53 is connected to the left cavity wall of the fifth sliding chute 57 through a fifth spring 55, the right end surface of the fourth slider 53 is connected to the lower end surface of the circular slider 68 through a first pull rope 54, a transmission shaft 51 is fixedly disposed at the upper end surface of the fourth slider 53, a pawl 52 located at the right side of the ratchet 56 is fixedly disposed on the transmission shaft 51, when the push rod 35 slides downward to squeeze the circular slider 68, the circular sliding block 68 slides downwards to release the first pulling rope 54, the first pulling rope 54 releases to reset the fifth spring 55, the fifth spring 55 resets to drive the fourth sliding block 53 to slide leftwards, so that the pawl 52 slides leftwards to abut against the ratchet wheel 56, and the rotation of the motor shaft 50 is limited.
Advantageously, a belt rotating shaft 63 is rotatably provided on the rear cavity wall of the working cavity 11, a second bevel gear 49 is fixedly provided at the front end of the belt rotating shaft 63, the second bevel gear 49 is engaged with the first bevel gear 64, a first pulley 66 located behind the second bevel gear 49 is fixedly provided on the belt rotating shaft 63, a rotating shaft 61 located on the left side of the belt rotating shaft 63 is rotatably provided on the front and rear cavity walls of the working cavity 11, a second pulley 59 located on the left side of the first pulley 66 is fixedly provided on the rotating shaft 61, the second pulley 59 is in transmission connection with the first pulley 66 through a belt 62, a wire winding wheel 60 located on the front side of the second pulley 59 is fixedly provided on the rotating shaft 61, the wire winding wheel 60 is connected with the right end face of the first slider 16 through a second pulling rope 38, when the first bevel gear 64 is engaged with the gear 49, the wire winding wheel 60 rotates to retract the second pulling rope 38, the second draw cord 38 is retracted to slide the first slider 16 to the right.
Sequence of mechanical actions of the whole device:
the initial state of the invention is as follows: the second bevel gear 49 is meshed with the first bevel gear 64, the electromagnet 42 is not electrified, the third spring 45 is in a relaxed state, the second slide block 47 is positioned in the first annular cavity 13, the fourth spring 67 is in a relaxed state, the first pull rope 54 is in a tensioned state, the fifth spring 55 is in a stretched state, and the pawl 52 is not abutted to the ratchet wheel 56;
1. placing a floor heating water pipe 39 to be detected into a placing table 41, sealing a lower opening of the floor heating water pipe 39 by a sealing ring 70, starting a motor 58, starting the motor 58 to drive a motor shaft 50 to rotate, rotating the motor shaft 50 to drive a threaded rod 48 to rotate, rotating the threaded rod 48 to drive a threaded sleeve 12 to rotate, rotating the threaded sleeve 12 to drive a first bevel gear 64 to rotate, wherein the first bevel gear 64 is meshed with a second bevel gear 49, the first bevel gear 64 rotates to drive the second bevel gear 49 to rotate, the second bevel gear 49 rotates to drive a belt rotating shaft 63 to rotate, the belt rotating shaft 63 rotates to drive a first belt wheel 66 to rotate, and the first belt wheel 66 is in transmission connection with a second belt wheel 59 through a belt 62, so that the first belt wheel 66 rotates;
2. the second belt wheel 59 rotates to drive the rotating shaft 61 to rotate, the rotating shaft 61 rotates to drive the wire coiling wheel 60 to rotate, the wire coiling wheel 60 rotates to strain the second pull rope 38, the second pull rope 38 is strained to enable the first sliding block 16 to move rightwards, the first sliding block 16 moves rightwards to compress the second spring 37, the first sliding block 16 moves rightwards to drive the fixing rod 17 to move rightwards, the fixing rod 17 moves rightwards to drive the water tank 18 to move rightwards, and the water tank 18 moves rightwards to drive the water pipe 20 to move to the upper side of the floor heating water pipe 39;
3. when the water pipe 20 moves to the upper side of the floor heating water pipe 39, the water pump 22 is started to pump the water pipe 20 in the water cavity 19 into the floor heating water pipe 39, the electromagnet 42 is electrified to repel the third slide block 44, the third slide block 44 slides downwards to extrude the third spring 45, the third slide block 44 slides downwards to drive the slide rod 46 to slide downwards, the slide rod 46 slides downwards to drive the second slide block 47 to slide downwards, and the second slide block 47 slides into the second chute 73 from the first annular cavity 13;
4. the threaded rod 48 rotates to drive the threaded sleeve 12 to slide upwards, the threaded sleeve 12 slides upwards to enable the first bevel gear 64 to be disengaged from the second bevel gear 49, the second spring 37 resets to drive the first sliding block 16 to slide leftwards, the threaded sleeve 12 slides upwards to drive the placing table 41 to slide upwards, the placing table 41 slides upwards to drive the floor heating water pipe 39 to slide upwards, the floor heating water pipe 39 slides upwards to the heat insulation plate 28 to seal the upper opening of the floor heating water pipe 39, the second sliding block 47 slides into the second annular cavity 65 from the second sliding groove 73, and the threaded rod 48 rotates to drive the threaded sleeve 12 to rotate;
5. the threaded sleeve 12 rotates to drive the object placing table 41 to rotate, the object placing table 41 rotates to drive the ground heating water pipe 39 to rotate, and if the water absorption paper 24 is not wet after a period of time, the ground heating water pipe 39 does not have a water leakage condition;
6. after the heating rod 40 is started to heat, after the heating rod 40 is heated for a period of time, if the heat conductivity of the floor heating water pipe 39 is good, the floor heating water pipe 39 transfers the heat of the heating rod 40 into the detection cavity 26, the air in the detection cavity 26 expands, the heated air enters the reaction cavity 33 through the one-way air outlet valve 27 and the exhaust pipe 30, the extrusion piston 34 slides downwards, the piston 34 slides downwards to drive the push rod 35 to move downwards, the push rod 35 slides downwards to extrude the circular slide block 68, the circular slide block 68 slides downwards to extrude the fourth spring 67, the fourth spring 67 is extruded to loosen the first pull rope 54, the first pull rope 54 is loosened to reset the fifth spring 55, and the fifth spring 55 is reset to enable the fourth slide block 53 to slide leftwards;
7. the fourth sliding block 53 slides leftwards to drive the transmission shaft 51 to slide leftwards, the transmission shaft 51 drives the pawl 52 to slide leftwards, the pawl 52 slides leftwards to abut against the ratchet wheel 56 to limit the ratchet wheel 56, the ratchet wheel 56 stops rotating to stop the motor shaft 50, the motor shaft 50 stops rotating to stop rotating the threaded rod 48, and the threaded rod 48 stops rotating to stop rotating the threaded sleeve 12;
8. if the floor heating water pipe 39 is poor in heat conductivity, the threaded sleeve 12 rotates all the time;
9. the electromagnet 42 is powered off, the electromagnet 42 is powered off to enable the third spring 45 to reset, the third spring 45 resets to enable the third sliding block 44 to slide upwards, the third sliding block 44 slides upwards to drive the second sliding block 47 to slide into the second sliding groove 73 from the second annular cavity 65, the motor 58 starts to rotate reversely to drive the threaded sleeve 12 to move downwards, the threaded sleeve 12 moves downwards to the initial position, and the floor heating water pipe 39 which is detected is taken down.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (2)
1. The utility model provides a ground heating pipe heat conductivity check out test set, including the work box and the working chamber in the work box, the outside opening in the upper right side of working chamber, its characterized in that: the floor heating water pipe detection device is characterized in that an object placing table is arranged in the working cavity in a sliding mode, a sealing ring is fixedly arranged in the object placing table, a heating rod is fixedly arranged on the upper end face of the sealing ring, a floor heating water pipe to be detected is placed in the object placing table, the lower opening of the floor heating water pipe can be sealed through the sealing ring, a detection box located on the upper side of the object placing table is fixedly arranged on the upper wall of the working cavity, water absorption paper is fixedly arranged on the inner peripheral wall of the detection box and can detect whether the floor heating water pipe leaks water, a detection cavity is arranged in the detection box and is opened downwards, a fixed connecting rod is fixedly arranged on the upper wall of the detection cavity, a heat insulation plate is fixedly arranged on the lower end face of the fixed connecting rod and can seal the upper opening of the floor heating water pipe, a one-way air outlet valve located on the right side of the heat insulation, the reaction chamber is communicated with the detection chamber through an exhaust pipe, heat insulation cotton is fixedly arranged on the wall of an inner cavity of the exhaust pipe, a piston is arranged in the reaction chamber in a sliding mode, a push rod is fixedly arranged on the lower end face of the piston, the piston is connected with the reaction chamber through a first spring, a detection device is fixedly arranged at the bottom of the reaction box, and the detection device can detect the heat conductivity of the floor heating water pipe; a fixed block positioned on the left side of the object placing table is fixedly arranged on the left cavity wall of the working cavity, a first sliding groove with an upward opening is fixedly arranged in the fixed block, a first sliding block is arranged in the first sliding groove in a sliding manner, the first sliding block is connected with the first sliding groove through a second spring, a fixed rod is fixedly arranged on the upper end face of the first sliding block, a water tank is fixedly arranged on the upper end face of the fixed rod, a water cavity is arranged in the water tank, the water cavity is opened upward, a rectangular hole positioned on the upper side of the water tank is arranged in a penetrating manner on the left end wall of the working cavity, water can be added into the water cavity through the rectangular hole, a water pump is fixedly arranged on the top of the right end wall of the water tank, water pipes are fixedly arranged on the left and right end faces of the water pump, and when the first sliding block slides to the right cavity wall of; a motor shaft is fixedly arranged on the lower cavity wall of the working cavity and positioned on the lower side of the object placing table, a motor shaft is dynamically connected to the upper end face of the motor shaft, a ratchet wheel is fixedly arranged on the motor shaft, a threaded rod is fixedly arranged on the upper end face of the motor shaft, a threaded sleeve is in threaded connection with the outer end face of the threaded rod in a threaded manner, a first bevel gear is fixedly arranged at the tail end of the bottom of the threaded sleeve, the upper end face of the threaded sleeve is fixedly connected to the lower end face of the object placing table, a first annular cavity is fixedly arranged in the top of the threaded sleeve, the first annular cavity is opened outwards, a second chute which is opened rightwards is fixedly arranged at the right end of the threaded sleeve, the second chute is positioned on the lower side of the first annular cavity and communicated with the first annular cavity, a second annular cavity is fixedly arranged in the threaded sleeve and positioned on, a sliding rod is fixedly arranged on the right end face of the second sliding block, a third sliding groove which is opened leftwards is fixedly arranged on the right end wall of the working box, an electromagnet is fixedly arranged on the upper cavity wall of the third sliding groove, a third sliding block which is positioned on the lower side of the electromagnet is slidably arranged in the third sliding groove, the third sliding block is connected with the third sliding groove through a third spring, and the sliding rod extends rightwards and is fixedly connected to the left end face of the third sliding block; the detection device comprises a fourth chute positioned at the bottom of the reaction box, the fourth chute is opened upwards, a circular sliding block is arranged in the fourth chute in a sliding manner, the circular sliding block is connected with the bottom wall of the fourth chute through a fourth spring, a fifth chute positioned at the right side of the motor shaft is fixedly arranged at the bottom of the working box, a fourth sliding block is arranged in the fifth chute in a sliding manner, the left end surface of the fourth sliding block is connected with the left cavity wall of the fifth chute through a fifth spring, the right end surface of the fourth sliding block is connected with the lower end surface of the circular sliding block through a first pull rope, a transmission shaft is fixedly arranged on the upper end surface of the fourth sliding block, a pawl positioned at the right side of the ratchet wheel is fixedly arranged on the transmission shaft, when the push rod downwards slides and extrudes the circular sliding block, the circular sliding block downwards slides to enable the first pull rope to be loosened, and the, and the fifth spring is reset to drive the fourth sliding block to slide leftwards, so that the pawl slides leftwards to abut against the ratchet wheel, and the rotation of the motor shaft is limited.
2. A floor heating pipe thermal conductivity detection apparatus according to claim 1, characterized in that: a belt rotating shaft is rotatably arranged on the rear cavity wall of the working cavity, a second bevel gear is fixedly arranged at the front end of the belt rotating shaft, the second bevel gear is meshed with the first bevel gear, a first belt wheel positioned at the rear side of the second bevel gear is fixedly arranged on the belt rotating shaft, a rotating shaft positioned on the left side of the belt rotating shaft is rotatably arranged on the front cavity wall and the rear cavity wall of the working cavity, a second belt wheel positioned on the left side of the first belt wheel is fixedly arranged on the rotating shaft, the second belt wheel is in transmission connection with the first belt wheel through a belt, a winding wheel positioned on the front side of the second belt wheel is fixedly arranged on the rotating shaft, the winding wheel is connected with the right end face of the first sliding block through a second pull rope, when the first bevel gear is meshed with the second bevel gear, the winding wheel rotates to retract the second pull rope, and the second pull rope is retracted to enable the first sliding block to slide rightwards.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911090209.0A CN110631770B (en) | 2019-11-08 | 2019-11-08 | Floor heating water pipe heat conductivity check out test set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911090209.0A CN110631770B (en) | 2019-11-08 | 2019-11-08 | Floor heating water pipe heat conductivity check out test set |
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| CN110631770A CN110631770A (en) | 2019-12-31 |
| CN110631770B true CN110631770B (en) | 2020-12-29 |
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| CN111022357B (en) * | 2020-01-07 | 2020-12-22 | 浙江五饼二鱼实业有限公司 | Indoor ventilator capable of ventilating at multiple angles |
| CN112113714B (en) * | 2020-10-19 | 2021-04-27 | 株洲中油燃气有限公司 | Detection box for judging whether gas leakage of gas pressure reducing valve occurs or not |
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