CN109826557A - A kind of installation tool of detector for fire alarm system - Google Patents
A kind of installation tool of detector for fire alarm system Download PDFInfo
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- CN109826557A CN109826557A CN201910087318.0A CN201910087318A CN109826557A CN 109826557 A CN109826557 A CN 109826557A CN 201910087318 A CN201910087318 A CN 201910087318A CN 109826557 A CN109826557 A CN 109826557A
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Abstract
The invention discloses a kind of installation tools of detector for fire alarm system, including climbing mechanism and installation auxiliary body, the top of climbing mechanism is equipped with installation auxiliary body, structure of the invention is compact, by the way that detector for fire alarm system is placed in installation auxiliary body, integral installation is on climbing mechanism again, utilize motor driven, under the cooperation of screw rod and internal screw thread plate, crane can be achieved to rise, drive the first frame and the second frame mobile towards motor one end using electric telescopic rod driving simultaneously, it can guarantee that the gradient of climbing mechanism is moderate, it avoids the gradient from causing climbing painstaking suddenly excessively and increases climbing risk, at installation auxiliary body position, utilize the accuracy that can guarantee installation tool positioning with multi-directional regulating device, it is connected using thread screw, quickly detector for fire alarm system can be allowed to be connected on installation position , integrated operation is simple, and more practical, safety is higher, more time saving save trouble and labor.
Description
Technical field:
The present invention relates to detector for fire alarm system technical field, in particular to a kind of erector of detector for fire alarm system
Tool.
Background technique:
Fire detector is to detect in fire automatic alarm system to scene, the equipment for finding fire.It is existing
Detector for fire alarm system be mounted in and substantially on roof, so installation when need construction personnel borrow ladder climb to eminence in hand
Dynamic to be mounted directly detector, used ladder is relatively simple for structure, cannot achieve Telescopic, and safeguard measure is less,
Stability is not high, at the same seating means be all by manually by detector precession install wedging position, it is complicated for operation, it is bothersome
It is time-consuming and laborious.
Summary of the invention:
The object of the invention is that a kind of installation tool of detector for fire alarm system is provided to solve the above-mentioned problems,
It solves the problems, such as of the existing technology.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions:
A kind of installation tool of detector for fire alarm system, including climbing mechanism and installation auxiliary body, the climbing mechanism
Top be equipped with installation auxiliary body, the climbing mechanism is by mounting base, column, motor, crane, support plate, electric expansion
Bar, the first frame and the second frame composition, the mounting base lower surface is fixedly connected with two pairs of castors, the mounting base
Upper surface one end is vertically fixedly connected with a column, the mounting base upper surface and is fixedly connected between two columns
Mobile power source, the mobile power source sending end are electrically connected with charging cable, pass through fixation between two column opposite flanks
Ring is vertically fixedly connected with motor, is electrically connected between the motor and mobile power source, and the motor output end passes through shaft coupling
It is sequentially connected with screw rod, the screw rod surface is installed with internal screw thread plate and is threadedly coupled with internal screw thread plate, the internal screw thread board ends
It is vertically fixedly connected with mounting plate, two mounting plate opposite side pass through fixing bolt and are vertically fixedly connected with lifting
Frame, two crane bottom ends are vertically fixedly connected with guide rod, are equipped with pilot hole inside two the upper end of the column,
Two guiding rod outer surfaces are slidably connected on corresponding pilot hole inner wall, and two crane top levels are fixed
It is connected with support plate.
Preferably, the support plate lower surface and close to two crane one end be fixedly connected with a pair second connect
Platform is connected with a pair of second frame, two second sides by pin shaft between two second connected unit lower ends
Frame upper surface is fixedly connected to arm-rest frame, and the second frame opposite side is fixedly connected to the second T-type sliding block, and two
A second frame two sides are equipped with the first frame, are equipped with the second T-type sliding slot inside two first frames,
Two the second T-type sliding blocks are slidably connected at respectively in two the second T-type sliding slots, equal water between two second frames
Flat to be fixedly connected with multiple second pedals, level is fixedly connected with multiple first pedals between two first frames,
Two first frame bottom ends pass through pin shaft and are connected with the first connected unit, and two first connected unit bottom surfaces are equal
It is fixedly connected with the first T-type sliding block, mounting base upper surface inside middle is equipped with a pair of first T-type sliding slot, and two described the
One T-type sliding block, which respectively corresponds, to be slidably connected in two the first T-type sliding slots, the mounting base upper surface and be located at mobile power source and
Level is fixedly connected with a pair of of electric telescopic rod between two the first connected units, and two electric telescopic rod output ends are fixed respectively to be connected
It connects on two the first connected unit sides, the mounting base upper surface is equipped with step tread pad far from one end of mobile power source.
Preferably, the installation auxiliary body is made of regulating mechanism, the first strut, the second strut and rubber ring,
The support plate upper surface is equipped with regulating mechanism, and the regulating mechanism is made of the first adjustable column and the second adjustable column, and described the
One adjustable column bottom surface is fixedly connected on support plate upper surface, is equipped with the first groove inside first adjustable column upper end, and described the
The first adjustment axis is fixedly connected on one groove inner sidewall, the middle activity of first adjustment axis surface is cased with third adjusting
Axis, the third adjustment axis are cased with the second adjustment axis far from first adjustment axis one end activity, inside second adjustable column lower end
Equipped with the second groove, second adjustment axis both ends are fixedly connected on the second groove inner wall of the second adjustable column, and described
Ball groove is equipped with inside two adjustable column upper surfaces, activity is cased with medicine ball on the ball groove inner wall, and the medicine ball is located at second and adjusts
Segmented column lateral ends are fixedly connected with the first strut, and first strut surfaces are fixed with wear-resisting taper knob, first support
Bar is equipped with threaded line far from medicine ball one end outer surface, and first strut is located at threaded line one end and is equipped with anti-skidding internal screw thread cylinder,
The anti-skidding internal screw thread cylinder is internally threaded hole, and first strut is located at threaded line threaded one end and is connected to anti-skidding internal screw thread
In the threaded hole of cylinder, the anti-skidding internal screw thread cylinder upper surface is fixedly connected with the second strut.
Preferably, second strut is fixedly connected with multiple connecting rods far from anti-skidding internal screw thread cylinder one end, and each
Angle between the connecting rod and the second strut is in 135 °, and level is fixedly connected with rubber between each connecting rod top
It encloses, is cased with detector for fire alarm system ontology in the rubber ring inner ring.
Preferably, it is elastic to be fixedly connected with safety between two opposite flanks of the support plate and close to arm-rest frame one end
Band.
Preferably, two second frames and each first pedal are successively distributed in two the first sides from top to bottom
On frame opposite flank.
Preferably, two electric telescopic rods are ANT-35 type electric pushrod.
Preferably, the column is far from being fixedly connected with control panel, the control on one end lateral wall of mounting base
Panel is electrically connected with motor, mobile power source and two electric telescopic rods.
Beneficial effects of the present invention: structure of the invention is compact, by the way that detector for fire alarm system is placed on installation auxiliary machine
On structure, then integral installation is on climbing mechanism, using motor driven, it can be achieved that lifting under the cooperation of screw rod and internal screw thread plate
Frame rises, while driving the first frame and the second frame mobile towards motor one end using electric telescopic rod driving, can be with
Guarantee that the gradient of climbing mechanism is moderate, avoids the gradient from causing climbing painstaking suddenly excessively and increase climbing risk, assisted in installation
Mechanism position is connected using the accuracy that can guarantee installation tool positioning with multi-directional regulating device using thread screw,
Quickly detector for fire alarm system can be allowed to be connected on installation position, integrated operation is simple, and more practical, safety is higher,
More time saving save trouble and labor.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is main view of the invention;
Fig. 2 connect left view with the second frame for the first frame of the invention;
Fig. 3 is the right view semi-cutaway that column of the present invention is connect with crane;
Fig. 4 is the cross-sectional view of the anti-skidding internal screw thread cylinder of the present invention;
Fig. 5 is the enlarged drawing of A of the present invention;
Fig. 6 is the enlarged drawing of B of the present invention;
Fig. 7 is regulating mechanism structural schematic diagram of the present invention.
In figure: 1, mounting base;2, castor;3, column;4, fixed ring;5, motor;6, control panel;7, screw rod;8, it is oriented to
Bar;9, mounting plate;10, crane;11, support plate;12, mobile power source;13, charging cable;14, electric telescopic rod;15, first connects
It is consecutive;16, the first T-type sliding block;17, the first T-type sliding slot;18, step tread pad;19, the first frame;20, the second frame;21,
First T-type sliding block;22, arm-rest frame;23, the second connected unit;24, safe elastic band;25, regulating mechanism;26, wear-resisting taper knob;
27, the first strut;28, threaded line;29, anti-skidding internal screw thread cylinder;30, the second strut;31, the first pedal;32, the second T-type sliding slot;
33, the second pedal;34, pilot hole;35, internal screw thread plate;36, threaded hole;37, ball groove;38, medicine ball;39, connecting rod;40, rubber
Cushion rubber;41, detector for fire alarm system ontology;42, the first adjustable column;43, the first groove;44, the first adjustment axis;45, third tune
Nodal axisn;46, the second adjustable column;47, the second adjustment axis;48, the second groove;49, climbing mechanism;50, auxiliary body is installed.
Specific embodiment:
As shown in figs. 1-7, present embodiment uses a kind of following technical scheme: erector of detector for fire alarm system
Tool, including climbing mechanism 49 and installation auxiliary body 50, the top of climbing mechanism 49 are equipped with installation auxiliary body 50, climbing mechanism
49 by mounting base 1, column 3, motor 5, crane 10, support plate 11, electric telescopic rod 14, the first frame 19 and the second side
Frame 20 forms, and 1 lower surface of mounting base is fixedly connected with two pairs of castors 2, and 1 upper surface one end of mounting base is vertically fixedly connected with one
Column 3,1 upper surface of mounting base and is fixedly connected with mobile power source 12,12 sending end of mobile power source between two columns 3
It is electrically connected with charging cable 13, passes through fixed ring 4 between two 3 opposite flanks of column and is vertically fixedly connected with motor 5, motor 5
It is electrically connected between mobile power source 12,5 output end of motor is sequentially connected with screw rod 7 by shaft coupling, and 7 surface of screw rod is installed with interior
It thread plate 35 and is threadedly coupled with internal screw thread plate 35,35 both ends of internal screw thread plate are vertically fixedly connected with mounting plate 9, two installations
9 opposite side of plate passes through fixing bolt and is vertically fixedly connected with crane 10, and two 10 bottom ends of crane are vertically fixed to be connected
It is connected to guide rod 8, pilot hole 34 is equipped with inside two 3 upper ends of column, two 8 outer surfaces of guide rod are slidably connected at correspondence
34 inner wall of pilot hole on, two 10 top levels of crane are fixedly connected with support plate 11.
Wherein, 11 lower surface of support plate and it is fixedly connected with a pair of second connected unit 23 close to two 10 one end of crane,
A pair of second frame 20 is connected with by pin shaft between two 23 lower ends of the second connected unit, on two the second frames 20
Surface is fixedly connected to arm-rest frame 22, and 20 opposite side of the second frame is fixedly connected to the second T-type sliding block 21, and two
Two frames, 20 two sides are equipped with the first frame 19, are equipped with the second T-type sliding slot 32 inside two the first frames 19, and two
Second T-type sliding block 21 is slidably connected at respectively in two the second T-type sliding slots 32, horizontal fixed between two the second frames 20
It is connected with multiple second pedals 33, level is fixedly connected with multiple first pedals 31 between two the first frames 19, and two
First frame, 19 bottom end passes through pin shaft and is connected with the first connected unit 15, and two 15 bottom surfaces of the first connected unit are fixed to be connected
It is connected to the first T-type sliding block 16,1 upper surface inside middle of mounting base is equipped with a pair of first T-type sliding slot 17, two the first T-type sliding blocks
16 respectively correspond and are slidably connected in two the first T-type sliding slots 17,1 upper surface of mounting base and are located at mobile power source 12 and two the
Level is fixedly connected with a pair of of electric telescopic rod 14 between one connected unit 15, and two 14 output ends of electric telescopic rod are fixed respectively to be connected
It connects on two 15 sides of the first connected unit, 1 upper surface of mounting base is equipped with step tread pad 18 far from one end of mobile power source 12.
Wherein, installation auxiliary body 50 is by regulating mechanism 25, the first strut 27, the second strut 30 and 40 groups of rubber ring
At, 11 upper surface of support plate is equipped with regulating mechanism 25, and regulating mechanism 25 is made of the first adjustable column 42 and the second adjustable column 46, the
One adjustable column, 42 bottom surface is fixedly connected on 11 upper surface of support plate, and the first groove 43 is equipped with inside 42 upper end of the first adjustable column, the
The first adjustment axis 44 is fixedly connected on one groove, 43 inner sidewall, the 44 surface middle activity of the first adjustment axis is cased with third adjusting
Axis 45, third adjustment axis 45 are cased with the second adjustment axis 47 far from the 44 one end activity of the first adjustment axis, in 46 lower end of the second adjustable column
Portion is equipped with the second groove 48, and 47 both ends of the second adjustment axis are fixedly connected on 48 inner wall of the second groove of the second adjustable column 46,
Ball groove 37 is equipped with inside second adjustable column, 46 upper surface, activity is cased with medicine ball 38 on 37 inner wall of ball groove, and medicine ball 38 is located at the
Two adjustable columns, 46 lateral ends are fixedly connected with the first strut 27, and 27 surface of the first strut is fixed with wear-resisting taper knob 26, the
One strut 27 is equipped with threaded line 28 far from 38 one end outer surface of medicine ball, and the first strut 27 is located at 28 one end of threaded line equipped with anti-skidding
Internal screw thread cylinder 29, anti-skidding internal screw thread cylinder 29 are internally threaded hole 36, and the first strut 27 is located at the connection of 28 threaded one end of threaded line
In the threaded hole 36 of anti-skidding internal screw thread cylinder 29, anti-skidding 29 upper surface of internal screw thread cylinder is fixedly connected with the second strut 30.
Wherein, the second strut 30 is fixedly connected with multiple connecting rods 39, and each company far from anti-skidding 29 one end of internal screw thread cylinder
Angle between extension bar 39 and the second strut 30 is in 135 °, and level is fixedly connected with rubber ring between each 39 top of connecting rod
40, detector for fire alarm system ontology 41 is cased in 40 inner ring of rubber ring.
Wherein, safe elastic band is fixedly connected between 11 two opposite flanks of support plate and close to 22 one end of arm-rest frame
24, ensure the safety under construction personnel aloft constructs.
Wherein, two the second frames 20 are successively distributed in two the first frames with each first pedal 31 from top to bottom
On 19 opposite flanks, it can stretch back and forth in the first frame 19 convenient for the second frame 20, avoid arm-rest frame 22 and first
Obstruction is generated when moving between pedal 31 and the second pedal 33.
Wherein, two electric telescopic rods 14 are ANT-35 type electric pushrod.
Wherein, column 3 is far from being fixedly connected with control panel 6 on one end lateral wall of mounting base 1, control panel 6 and electricity
Machine 5, mobile power source 12 and two electric telescopic rods 14 are electrically connected, convenient for starting entire climbing by control panel 6
Mechanism 49.
Use state of the invention are as follows: when needing detector for fire alarm system ontology 41 installing top surface in doors, apply
Worker person is operated first control panel 6, starts motor 5 and electric telescopic rod 14, and the driving of motor 5 drives screw rod 7 to rotate, with it is interior
Under the cooperation of thread plate 35, internal screw thread plate 35 is begun to ramp up, and then two cranes 10 is driven to rise, and support plate 11 and lifting
It under frame 10 is fixed, while also being moved upwards by jack-up, is further driven to two the second frames 20 from two the first frames 19
It inside skids off, when skidding off out of two the first frames 19 due to two the second frames 20, will drive two frames 19 two
It slowly swings, will cause between the first frame 19 and the second frame 20 and mounting base 1 in this way in a first connected unit 15
Angle is increasing, so that the gradient of the first pedal 31 and the second pedal 33 can be very steep, so utilizing electric telescopic rod 14 at this time
Push two the first connected units 15 mobile towards the opposite side of motor 5, it is ensured that while the second frame 20 stretches out, from
Body and the first frame 19 will not be very steep in the top position of mounting base 1, climb convenient for construction personnel, when rising to reasonable height
After degree, stop the operation of motor 5 and electric telescopic rod 14, construction personnel can be in advance by sole in 18 upper friction plate of step tread pad
It carves, removes the sewage sludge on sole, avoid sole when climbing from skidding, then step on the first pedal 31 and the second pedal 33 is climbed
Suitable position is climbed to, then by 24 sets of safe elastic band with, body inclination is excessive when avoiding installing causes unexpected generation, then
The detector for fire alarm system ontology 41 of carrying is placed in 40 inner ring of rubber ring again, for installation site, shakes regulating mechanism
25, under the cooperation of the first adjustable column 42 and the second adjustable column 46, guarantee position it was determined that passing through medicine ball 38 and ball groove again
Under 37 cooperation, it is ensured that the first strut 27 and the second strut 30 are in plumbness, are then aligned with installation position, and one hand-tight
Hold wear-resisting taper knob 26, the other hand rotates anti-skidding internal screw thread cylinder 29, it can be achieved that the under the cooperation of threaded hole 36 and threaded line 28
Two struts 30 move up, and anti-skidding internal screw thread cylinder 29 is continued to rotate after waiting detector for fire alarm system ontology 41 to resist installation position,
Allow rubber ring 40 with 41 rotary clamping of detector for fire alarm system ontology in installation position, then by reversed installation process
Mode packs up entire installation tool.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of installation tool of detector for fire alarm system, which is characterized in that including climbing mechanism (49) and installation auxiliary body
(50), the top of the climbing mechanism (49) be equipped with installation auxiliary body (50), the climbing mechanism (49) by mounting base (1),
Column (3), motor (5), crane (10), support plate (11), electric telescopic rod (14), the first frame (19) and the second side
Frame (20) composition, mounting base (1) lower surface is fixedly connected with two pairs of castors (2), described mounting base (1) upper surface one end
It is vertically fixedly connected with a column (3), mounting base (1) upper surface and is fixedly connected between two columns (3)
Mobile power source (12), mobile power source (12) sending end are electrically connected with charging cable (13), two column (3) opposite sides
It is vertically fixedly connected with motor (5) between face by fixed ring (4), is electrically connected between the motor (5) and mobile power source (12)
It connects, motor (5) output end is sequentially connected with screw rod (7) by shaft coupling, and screw rod (7) surface is installed with internal screw thread plate
(35) and with internal screw thread plate (35) it being threadedly coupled, internal screw thread plate (35) both ends are vertically fixedly connected with mounting plate (9), and two
A mounting plate (9) opposite side passes through fixing bolt and is vertically fixedly connected with crane (10), two cranes
(10) bottom end is vertically fixedly connected with guide rod (8), is equipped with pilot hole (34) inside two column (3) upper ends, two
A guide rod (8) outer surface is slidably connected on corresponding pilot hole (34) inner wall, two crane (10) tops
End level is fixedly connected with support plate (11).
2. a kind of installation tool of detector for fire alarm system according to claim 1, it is characterised in that: the support plate
(11) lower surface and close two crane (10) one end are fixedly connected with a pair of second connected unit (23), and two described second connect
A pair of second frame (20) is connected with by pin shaft between consecutive (23) lower end, on two second frames (20)
Surface is fixedly connected to arm-rest frame (22), and the second frame (20) opposite side is fixedly connected to the second T-type sliding block
(21), two the second frame (20) two sides are equipped with the first frame (19), in two first frames (19)
Portion is equipped with the second T-type sliding slot (32), and two the second T-type sliding blocks (21) are slidably connected at two the second T-type sliding slots respectively
(32) in, equal level is fixedly connected with multiple second pedals (33) between two second frames (20), and two described the
Equal level is fixedly connected with multiple first pedals (31) between one frame (19), and two the first frame (19) bottom ends are equal
It is connected with the first connected unit (15) by pin shaft, two the first connected unit (15) bottom surfaces are fixedly connected to the first T
Type sliding block (16), mounting base (1) the upper surface inside middle are equipped with a pair of first T-type sliding slot (17), two first T-types
Sliding block (16), which respectively corresponds, to be slidably connected in two the first T-type sliding slots (17), mounting base (1) upper surface and is located at movement
Level is fixedly connected with a pair of of electric telescopic rod (14) between power supply (12) and two the first connected units (15), two electric expansions
Bar (14) output end is respectively fixedly connected on two the first connected unit (15) sides, and mounting base (1) upper surface is far from shifting
The one end of dynamic power supply (12) is equipped with step tread pad (18).
3. a kind of installation tool of detector for fire alarm system according to claim 1, it is characterised in that: the installation auxiliary
Mechanism (50) is made of regulating mechanism (25), the first strut (27), the second strut (30) and rubber ring (40), the support plate
(11) upper surface is equipped with regulating mechanism (25), and the regulating mechanism (25) is by the first adjustable column (42) and the second adjustable column (46) group
Support plate (11) upper surface is fixedly connected at, the first adjustable column (42) bottom surface, in the first adjustable column (42) upper end
Portion is equipped with the first groove (43), is fixedly connected with the first adjustment axis (44) on the first groove (43) inner sidewall, described first
Adjustment axis (44) surface middle activity is cased with third adjustment axis (45), and the third adjustment axis (45) is far from the first adjustment axis
(44) one end activity is cased with the second adjustment axis (47), is equipped with the second groove (48) inside the second adjustable column (46) lower end, institute
It states the second adjustment axis (47) both ends to be fixedly connected on the second groove (48) inner wall of the second adjustable column (46), described second adjusts
Ball groove (37) are equipped with inside segmented column (46) upper surface, activity is cased with medicine ball (38) on ball groove (37) inner wall, described solid
Ball (38) is located at the second adjustable column (46) lateral ends and is fixedly connected with the first strut (27), and the first strut (27) surface is solid
Surely it being cased with wear-resisting taper knob (26), first strut (27) is equipped with threaded line (28) far from medicine ball (38) one end outer surface,
First strut (27) is located at threaded line (28) one end equipped with anti-skidding internal screw thread cylinder (29), and the anti-skidding internal screw thread cylinder (29) is interior
Portion is equipped with threaded hole (36), and first strut (27) is located at threaded line (28) threaded one end and is connected to anti-skidding internal screw thread cylinder (29)
Threaded hole (36) in, anti-skidding internal screw thread cylinder (29) upper surface is fixedly connected with the second strut (30).
4. a kind of installation tool of detector for fire alarm system according to claim 3, it is characterised in that: second strut
(30) it is fixedly connected with multiple connecting rods (39) far from anti-skidding internal screw thread cylinder (29) one end, and each connecting rod (39) and the
Angle between two struts (30) is in 135 °, and level is fixedly connected with rubber ring between each connecting rod (39) top
(40), detector for fire alarm system ontology (41) are cased in rubber ring (40) inner ring.
5. a kind of installation tool of detector for fire alarm system according to claim 2, it is characterised in that: the support plate
Safe elastic band (24) are fixedly connected between (11) two opposite flanks and close to arm-rest frame (22) one end.
6. a kind of installation tool of detector for fire alarm system according to claim 2, it is characterised in that: two described second
Frame (20) and each first pedal (31) are successively distributed in from top to bottom on two the first frame (19) opposite flanks.
7. a kind of installation tool of detector for fire alarm system according to claim 2, it is characterised in that: two described electronic
Telescopic rod (14) is ANT-35 type electric pushrod.
8. a kind of installation tool of detector for fire alarm system according to claim 2, it is characterised in that: the column (3)
It is fixedly connected with control panel (6) on one end lateral wall far from mounting base (1), the control panel (6) and motor (5), shifting
Dynamic power supply (12) and two electric telescopic rods (14) are electrically connected.
Priority Applications (1)
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CN201910087318.0A CN109826557B (en) | 2019-01-29 | 2019-01-29 | Mounting tool of fire alarm detector |
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CN201910087318.0A CN109826557B (en) | 2019-01-29 | 2019-01-29 | Mounting tool of fire alarm detector |
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CN109826557A true CN109826557A (en) | 2019-05-31 |
CN109826557B CN109826557B (en) | 2021-02-19 |
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ID=66862916
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CN112324317A (en) * | 2020-11-04 | 2021-02-05 | 灌南县龙腾电气设备安装有限公司 | Automatic extension ladder structure for electrical installation |
CN113250599A (en) * | 2021-04-21 | 2021-08-13 | 聂彪 | Afforestation is with gardens ladder of pruning usefulness of trees |
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CN108661543A (en) * | 2018-06-14 | 2018-10-16 | 河南许智电力科技有限公司 | A kind of power engineering rope ladder convenient for adjustment length |
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JP4606957B2 (en) * | 2005-07-15 | 2011-01-05 | 悟 矢崎 | Fire alarm fitting |
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CN113250599A (en) * | 2021-04-21 | 2021-08-13 | 聂彪 | Afforestation is with gardens ladder of pruning usefulness of trees |
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