CN217007300U - Lifting type combustible gas detection device - Google Patents
Lifting type combustible gas detection device Download PDFInfo
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- CN217007300U CN217007300U CN202220273000.9U CN202220273000U CN217007300U CN 217007300 U CN217007300 U CN 217007300U CN 202220273000 U CN202220273000 U CN 202220273000U CN 217007300 U CN217007300 U CN 217007300U
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- combustible gas
- gas probe
- probe
- supporting seat
- factory building
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Abstract
The utility model belongs to the technical field of combustible gas detection, in particular to a lifting type combustible gas detection device, which comprises a supporting seat and a supporting rod, wherein the supporting seat is arranged on the inner wall of a factory building, the lower end of the supporting rod is hinged on the supporting seat, a combustible gas probe is arranged at the upper end of the supporting rod, the supporting rod is driven to rotate along the supporting seat by the lifting mechanism, so that the combustible gas probe is lifted, during maintenance and calibration, the combustible gas probe can be lowered, a worker can perform maintenance and calibration work on the ground, and the combustible gas probe is lifted up through the lifting mechanism after the maintenance and calibration are finished, so that the maintenance and calibration work of the combustible gas probe is more convenient, and elevating system's hand ware, assembly pulley and haulage rope set up along the wall basically, and bracing piece and supporting seat also set up the top in the factory building, avoid occupying normal production space in the factory building.
Description
Technical Field
The utility model belongs to the technical field of combustible gas detection, and particularly relates to a lifting type combustible gas detection device.
Background
For indoor spaces such as natural gas compressor plants which involve combustible gas, a combustible gas detection instrument needs to be installed at the top in the plant, which is required by the installation standard SH3063-1999 combustible gas detection alarm design Specification of petrochemical enterprises, item 4.1.5 (a combustible gas release source which is lighter than air is in a closed or semi-closed plant, and a detector is arranged above the release source), and also aims to ensure the production safety of the plant.
At present, the combustible gas detector of top installation in the factory building is mostly fixed, and when the factory building was under construction, directly install the combustible gas detector at factory building structure top, because the factory building top is higher, lead to the later stage to the effect of combustible gas detector and overhaul work very inconvenient. The existing mode is to operate by adopting a climbing vehicle, the climbing vehicle cannot enter in many places due to reasons such as factory site process pipeline layout, channel limitation and the like, the climbing vehicle can only adopt a scaffold to ascend to check and overhaul, the scaffold needs to be built, so that the time consumption for checking and overhauling is long, and the risk is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lifting type combustible gas detection device, which solves the technical problem that in the prior art, in places such as natural gas treatment plants and the like which have requirements on combustible gas detection, combustible gas detection instruments positioned at high places are inconvenient to maintain and check.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a lifting type combustible gas detection device, it sets up inside the factory building, includes:
the supporting seat is arranged on the inner wall of a factory building, and the lower end of the supporting rod is hinged to the supporting seat;
the combustible gas probe is arranged at the upper end of the supporting rod and is connected with a circuit, and the circuit is wired along the supporting rod and the inner wall of the plant;
the lifting mechanism comprises a hand crank, a pulley block and a traction rope, the pulley block is mounted on the inner wall of the plant, the traction rope is carried on each pulley of the pulley block, the hand crank is mounted on the lower portion of the inner wall of the plant, one end of the traction rope is connected to the hand crank, and the other end of the traction rope is connected to the upper end of the supporting rod;
when shaking the hand ware, the haulage rope can pull the bracing piece along the supporting seat is rotatory, makes the combustible gas probe goes up and down, and rises the back as the combustible gas probe, locks the haulage rope.
Preferably, the hand-cranking device comprises a crank and a shell for accommodating the traction rope, a winding rotor is arranged in the shell, and the crank is used for shaking the winding rotor; a locking pin is arranged between the crank and the shell, or a locking mechanism is arranged on a winding rotor in the shell of the hand crank, and the locking mechanism is a clutch or a ratchet wheel.
Preferably, a probe support is arranged at the upper end of the supporting rod, and the combustible gas probe is arranged on the probe support.
Preferably, the system further comprises an explosion-proof junction box arranged in the factory building, and the line of the combustible gas probe is connected to the explosion-proof junction box; an explosion-proof gland head is arranged on the shell of the combustible gas probe, and the circuit is connected to the interior of the combustible gas probe through the explosion-proof gland head.
Preferably, the line of the combustible gas probe comprises a signal line and a power line, and the signal line and the power line are tightly wrapped together through a wire wrapping tape or a wire wrapping pipe.
Preferably, a plurality of threading rings are arranged on the inner wall of the plant and the supporting rod, and the line is arranged in the threading rings in a penetrating mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. this over-and-under type combustible gas detection device sets up inside the factory building, it includes supporting seat and bracing piece, the supporting seat is installed on the factory building inner wall, the bracing piece lower extreme articulates on the supporting seat, set up the combustible gas probe in upper end of the support bar, it is rotatory along the supporting seat to drive the bracing piece through elevating system, make the combustible gas probe go up and down, overhaul, during the check-up, can reduce the combustible gas probe, the staff can overhaul on ground, check-up work, overhaul, rethread elevating system rises the combustible gas probe after the check-up finishes, make the maintenance of combustible gas probe, check-up work is more convenient.
2. This over-and-under type combustible gas detection device's the circuit that combustible gas probe is connected walks the line along bracing piece and factory building inner wall, is the alternate segregation with elevating system's haulage rope, and the haulage rope receive and releases the in-process as elevating system's haulage rope, and the haulage rope can not take place the contact with combustible gas probe's circuit, avoids the two to take place the friction and leads to the circuit damaged.
3. The hand crank, the pulley block and the traction rope of the lifting mechanism are basically arranged along the wall, and the supporting rod and the supporting seat are also arranged at the top in the factory building, so that the occupation of the normal production space in the factory building is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the lifting combustible gas detection device of the utility model.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Fig. 3 is an enlarged view of a portion B of fig. 1.
Fig. 4 is an enlarged view of a portion C of fig. 1.
Fig. 5 is a schematic structural diagram of the lifting combustible gas detection device according to an embodiment of the utility model when the support rod is lowered.
Fig. 6 is a schematic diagram of the internal circuit structure of a combustible gas probe in an embodiment of the lifting combustible gas detection device of the utility model.
In the drawings, each reference numeral means: the explosion-proof gas detector comprises a factory building 1, a supporting seat 2, a supporting rod 3, a probe support 31, a combustible gas probe 4, a circuit 41, a signal wire 411, a power wire 412, a wire wrapping pipe 413, an explosion-proof glan head 42, a hand crank 5, a traction rope 51, a first pulley 52, a second pulley 53, a shell 54, a crank 55, a locking pin 56, an explosion-proof junction box 6, an explosion-proof glan head 61 and a thimble 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
A lifting type combustible gas detection device, please refer to fig. 1 to 6.
As shown in fig. 1 to 4, the lifting type combustible gas detection device is arranged inside a factory building 1, the factory building 1 is a natural gas treatment plant, the lifting type combustible gas detection device comprises a supporting seat 2 and a supporting rod 3, the supporting seat 2 is arranged on the upper portion of the inner wall of the factory building 1, the lower end of the supporting rod 3 is hinged on the supporting seat 2, and the supporting seat 2 can be rotated along the lower end of the supporting rod 3.
Be provided with combustible gas probe 4 in the upper end of bracing piece 3, combustible gas probe 4 is connected with circuit 41, and circuit 41 walks the line along the inner wall of bracing piece 3 and factory building 1, and circuit 41 is used for supplying power and transmitting signal for combustible gas probe 4.
This over-and-under type combustible gas detection device still includes elevating system, elevating system includes hand ware 5, assembly pulley and haulage rope 51, the assembly pulley includes first pulley 52, second pulley 53, first pulley 52, second pulley 53 is the fixed pulley, roof is provided with the support in 1 inside wall upper portion of factory building and factory building 1, the support passes through bolted connection on the steel frame construction of factory building 1, first pulley 52, second pulley 53 corresponds and installs on the support, haulage rope 51 carries on at first pulley 52, on second pulley 53, hand ware 5 is installed in 1 inner wall lower part of factory building, make things convenient for the staff operation, haulage rope 51 one end is connected to hand ware 5, the other end is connected to the upper end of bracing piece 3, haulage rope 51 is wire rope, adopt thinner haulage rope 51 also can have great bearing capacity.
Combine fig. 5 to show, when waveing hand ware 5, haulage rope 51 can pull bracing piece 3 rotatory along supporting seat 2 for combustible gas probe 4 goes up and down, thereby when overhauing, the check-up, can reduce combustible gas probe 4, the staff can overhaul on ground, check-up work, wave hand ware 5 again after overhauing, the check-up finishes and rise combustible gas probe 4, and after combustible gas probe 4 rises, lock haulage rope 51, prevent that bracing piece 3 from falling down.
As shown in fig. 2, in the present embodiment, the hand crank 5 includes a crank 55 and a housing 54 for accommodating the pulling rope, a winding rotor is disposed in the housing 54, the crank 55 is used for swinging the winding rotor, a locking pin 56 is disposed between the crank 55 and the housing 54, pin holes are disposed on the crank 55 and the housing 54, and when the pulling rope 51 needs to be locked, the locking pin 56 is inserted to prevent the crank 55 from rotating passively.
Of course, in other embodiments, a locking mechanism, such as a clutch or ratchet, may be provided on the winding rotor in the housing of the hand crank, and such hand crank with a locking mechanism is well known in the art, such as a clothes hanger hand crank, and the principle of which will not be described in detail herein.
As shown in fig. 3, a probe support 31 is arranged at the upper end of the support rod 3, the probe support 31 is connected to the support rod 3 through a bolt, the combustible gas probe 4 is installed on the probe support 31, the combustible gas probe 4 adopts a commercially available accessory, for example, a probe with a model number BN20 of a hundredth gold code brand can be adopted, and the combustible gas probe 4 is connected to the probe support 31 through a thread.
Further, as shown in fig. 1 and fig. 2, the lifting type combustible gas detection device further comprises an explosion-proof junction box 6 arranged on the ground in the plant 1, wherein a line 41 is connected to the explosion-proof junction box 6, and the explosion-proof junction box 6 supplies power to the combustible gas probe 4 through the line 41 on one hand and is used for receiving a detection signal transmitted by the line 41 and transmitting the detection signal to an upper computer on the other hand. Be provided with explosion-proof glan head 42 on the combustible gas probe 4 shell, inside circuit 41 was connected to combustible gas probe 4 through explosion-proof glan head 42, also was equipped with explosion-proof glan head 61 on the explosion-proof junction box 6, inside circuit 41 was connected to explosion-proof junction box 6 through explosion-proof glan head 61, prevented that circuit 41, combustible gas probe 4 and explosion-proof junction box 6 from producing the spark and leaking and arouse the danger of gas explosion.
Further, as shown in fig. 6, the line 41 of the combustible gas probe 4 includes a signal line 411 and a power line 412, the signal line 411 and the power line 412 are tightly wrapped together by a wrapping tube 413, the wrapping tube 413 is a heat-shrinkable tube, and the signal line 411 and the power line 412 are wrapped by the wrapping tube 413, so that the signal line 411 and the power line 412 can be protected to achieve an explosion-proof effect on the one hand, and uniform wiring is facilitated on the other hand.
As shown in fig. 1 and 4, a plurality of threading rings 7 are arranged on the inner wall of the plant 1 and the support rod 3, the threading rings 7 are fixed by welding or screwing, and the line 41 is arranged in the threading rings 7 in a penetrating way.
It should be noted that, in this document, terms such as "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.
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 alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a lifting type combustible gas detection device, its setting is inside the factory building, its characterized in that includes:
the supporting seat is arranged on the inner wall of a factory building, and the lower end of the supporting rod is hinged to the supporting seat;
the combustible gas probe is arranged at the upper end of the supporting rod and is connected with a circuit, and the circuit is wired along the supporting rod and the inner wall of the plant;
the lifting mechanism comprises a hand-operated device, a pulley block and a traction rope, the pulley block is arranged on the inner wall of the plant, the traction rope is carried on each pulley of the pulley block, the hand-operated device is arranged at the lower part of the inner wall of the plant, one end of the traction rope is connected to the hand-operated device, and the other end of the traction rope is connected to the upper end of the support rod;
when shaking the hand ware, the haulage rope can pull the bracing piece along the supporting seat is rotatory, makes the combustible gas probe goes up and down, and rises the back as the combustible gas probe, locks the haulage rope.
2. The elevating combustible gas detecting apparatus according to claim 1, wherein: the hand crank comprises a crank handle and a shell for accommodating a traction rope, wherein a winding rotor is arranged in the shell, and the crank handle is used for shaking the winding rotor; a locking pin is arranged between the crank and the shell, or a locking mechanism is arranged on a winding rotor in the shell of the hand crank, and the locking mechanism is a clutch or a ratchet wheel.
3. The elevating combustible gas detecting apparatus according to claim 1, wherein: the upper end of the support rod is provided with a probe support, and the combustible gas probe is arranged on the probe support.
4. The elevating combustible gas detecting apparatus according to claim 1, wherein: the system also comprises an explosion-proof junction box arranged in the factory building, wherein the line of the combustible gas probe is connected to the explosion-proof junction box; an explosion-proof gland head is arranged on the shell of the combustible gas probe, and the circuit is connected to the interior of the combustible gas probe through the explosion-proof gland head.
5. The elevating combustible gas detection device according to claim 1, wherein: the circuit of the combustible gas probe comprises a signal wire and a power wire, and the signal wire and the power wire are tightly wrapped together through a wire wrapping tape or a wire wrapping pipe.
6. The elevating combustible gas detecting apparatus according to claim 1, wherein: the inner wall of the workshop and the supporting rods are provided with a plurality of threading rings, and the lines are arranged in the threading rings in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220273000.9U CN217007300U (en) | 2022-02-10 | 2022-02-10 | Lifting type combustible gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220273000.9U CN217007300U (en) | 2022-02-10 | 2022-02-10 | Lifting type combustible gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217007300U true CN217007300U (en) | 2022-07-19 |
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ID=82394080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220273000.9U Active CN217007300U (en) | 2022-02-10 | 2022-02-10 | Lifting type combustible gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217007300U (en) |
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2022
- 2022-02-10 CN CN202220273000.9U patent/CN217007300U/en active Active
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