A kind of power construction welding auxiliary equipment
Technical field
The present invention relates to a kind of ancillary equipment more particularly to a kind of power construction welding auxiliary equipments.
Background technique
Electric power is the energy using electric energy as power, and invention is started in 19 century 70s, the invention and application of electric power
Second of industrialization climax, since becoming 18th century of human history, one of scientific and technological revolution three times that the world occurs, from this section's technological transformation
People's lives are become.The large-scale electrical power system that 20th century occurred is one of most important achievement in the human engineering history of science,
The power generation and consumption system being made of links such as power generation, transmission of electricity, power transformation, distribution and electricity consumptions.It is by the primary of nature
The energy is converted to electric power by mechanical energy device, then supplies power to each user through transmission of electricity, power transformation and distribution.
Welding is also referred to as welding, Rong and connects, and is a kind of jointing metal in a manner of heating, high temperature or high pressure or other thermoplastics
The manufacturing process and technology of property material such as plastics.
Electric power welding self-temperature is higher, especially welds in this hot summer electric power and is easy heatstroke, and power worker, which constructs, to drop
Temperature is relieved summer heat inconvenience, and the cooling efficiency of weld is low, the low and not easy to overhaul disadvantage of power construction security performance, therefore needs to grind
It sends out security performance height a kind of and can speed up the cooling power construction welding auxiliary equipment of weld.
Summary of the invention
(1) technical problems to be solved
The present invention is higher in order to overcome electric power welding self-temperature, especially welds in this hot summer electric power and is easy heatstroke,
Power worker's cooling of constructing is relieved summer heat inconvenience, and the cooling efficiency of weld is low, and power construction security performance is low and not easy to overhaul
Disadvantage, the technical problem to be solved in the present invention is to provide a kind of power construction welding auxiliary equipments.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides such a power construction welding auxiliary equipments, include
Crane, ladder, universal wheel, fixed device, lifting device and bottom plate, bottom base plate are provided with universal wheel, setting at the top of bottom plate
There is lifting device, fixed device is provided with below lifting device, crane, crane left side are connected at the top of lifting device
It is provided with ladder.
Preferably, fixed device includes cam, the first elastic component, contact wheel, sucker and bull stick, is provided with one in the middle part of bottom plate
Word hole is connected with bull stick on lifting device, and cam is provided on bull stick, and downside is provided with sucker, sucker and bottom plate in the middle part of bottom plate
Between the left and right sides between be respectively connected with the first elastic component, the middle part at the top of sucker is provided with contact wheel, contact wheel and cam
It is in contact.
Preferably, lifting device includes fixed stop, the second elastic component, sliding block, sliding rail, drawstring, electronic reel, branch
Symmetrical expression is provided with sliding rail on bottom plate at left and right sides of bar and elevating lever, the bottom of crane and a word hole, is respectively provided on sliding rail
There is sliding block, the outer end of sliding rail is provided with fixed stop, the right side of the left slider of top and the right side sliding block of lower section and top
Crossed-symmetrical rotary type is connected with elevating lever between sliding block and the left slider of lower section, and the middle part rotary type of elevating lever connects, under
It is connected with the second elastic component between the outside and fixed stop of side left and right sides sliding block, is arranged on the bottom plate of front side in the middle part of a word hole
There is strut, strut upper end is provided with electronic reel, and bull stick is connected on rear side of electronic reel, is wound with drawing on electronic reel
Rope, the left end of drawstring are connected with the sliding block of lower left, and the right end of drawstring is connected with the sliding block of lower right.
It preferably, further include having cooling device, right side wall top is provided with cooling device in crane, and cooling device includes
There are blade, first bearing seat, first bevel gear, first rotating shaft, second bevel gear, the second shaft, second bearing seat and handle, rises
Right side wall top is provided with first bearing seat in drop frame, and first rotating shaft is equipped in first bearing seat, is provided in first rotating shaft
The left side of first bevel gear is arranged in first bevel gear and blade, blade, sets on the crane right side wall on rear side of first bearing seat
It is equipped with second bearing seat, the second shaft is installed in second bearing seat, second bevel gear, the second cone tooth are provided in the second shaft
The right side of first bevel gear, first bevel gear and second bevel gear engagement is arranged in wheel, and the rear end of the second shaft is connected with handle.
It preferably, further include having water inlet pipe, air bag, outlet pipe, cabinet, connecting plate and stereoplasm tube, crane bottom right
It is provided with cabinet, middle and upper part is connected with connecting plate in cabinet, and water inlet pipe and stereoplasm tube are connected on connecting plate, and water inlet pipe setting exists
The right side of stereoplasm tube, stereoplasm tube top are connected with air bag, and stereoplasm tube left upper portion is connected with outlet pipe, and outlet pipe setting is connecting
The top of plate.
Preferably, further include having L shape screw rod and screwed ring, bottom left is provided with thread groove in crane, on the inside of ladder in
Portion is connected with screwed ring, and L shape screw rod is combined in screwed ring, and L shape screw rod and thread groove cooperate.
It preferably, further include having threaded rod and nut, uniform formula is provided with threaded hole on ladder, and screw thread is arranged in threaded hole
Bar is combined with nut on threaded rod.
Preferably, the material of elevating lever is Q235 steel.
Working principle: when power worker needs to rise certain altitude welding, worker is by ladder counterclockwise to lower swing, ladder
Frame and ground touch, and worker is entered in crane by ladder, and ladder resets, and worker starts lifting device running, lifting
Device drives crane to move up and down, the welding other equipment convenient for power worker in different height position, while lifting device
Fixed device running is driven, fixed device fixes the device, guarantees the stability of the device.
Because fixed device includes cam, the first elastic component, contact wheel, sucker and bull stick, a word is provided in the middle part of bottom plate
Hole is connected with bull stick on lifting device, and cam is provided on bull stick, and downside is provided with sucker in the middle part of bottom plate, sucker and bottom plate it
Between the left and right sides between be respectively connected with the first elastic component, the middle part at the top of sucker is provided with contact wheel, contact wheel and cam phase
Contact, so band moving cam rotates when lifting device starting, when the distal end of cam is in contact with contact wheel, sucker is moved down
It is touched with ground, the first elastic component is stretched, and sucker fixes the device, guarantees the stabilization of the device.
Because lifting device includes fixed stop, the second elastic component, sliding block, sliding rail, drawstring, electronic reel, strut
And elevating lever, symmetrical expression is provided with sliding rail on the bottom plate at left and right sides of the bottom of crane and a word hole, is provided on sliding rail
Sliding block, the outer end of sliding rail is provided with fixed stop, the left slider of top and the right side sliding block of lower section and the right side of top is sliding
Crossed-symmetrical rotary type is connected with elevating lever, the middle part rotary type connection of elevating lever, lower section between block and the left slider of lower section
It is connected with the second elastic component between the outside and fixed stop of left and right sides sliding block, is provided on the bottom plate of front side in the middle part of a word hole
Strut, strut upper end are provided with electronic reel, and bull stick is connected on rear side of electronic reel, are wound with drawstring on electronic reel,
The left end of drawstring is connected with the sliding block of lower left, and the right end of drawstring is connected with the sliding block of lower right, so working as electric power
When worker's welding needs to rise or fall certain altitude, worker starts electronic reel rotation, and electronic reel folding and unfolding drawstring is drawn
The sliding block of the dynamic lower section left and right sides of rope band moves left and right, and thus elevating lever is driven to move up and down.
Because further including having cooling device, right side wall top is provided with cooling device in crane, and cooling device includes
Blade, first bearing seat, first bevel gear, first rotating shaft, second bevel gear, the second shaft, second bearing seat and handle, lifting
Right side wall top is provided with first bearing seat in frame, and first rotating shaft is equipped in first bearing seat, and is provided in first rotating shaft
The left side of first bevel gear is arranged in one bevel gear and blade, blade, is arranged on the crane right side wall on rear side of first bearing seat
There is second bearing seat, the second shaft is installed in second bearing seat, second bevel gear, second bevel gear are provided in the second shaft
The right side of first bevel gear is set, and first bevel gear and second bevel gear engagement, the rear end of the second shaft are connected with handle, institute
With when power worker's Comparision heat, worker's shake handle drives the rotation of the second shaft, the second shaft drives movable vane piece to turn
It is dynamic, it is fanned out to wind therewith, relieves summer heat to have the function that cool down to worker, it is convenient to operate, and saves electric energy and safety.
Because further including having water inlet pipe, air bag, outlet pipe, cabinet, connecting plate and stereoplasm tube, the setting of crane bottom right
There is cabinet, middle and upper part is connected with connecting plate in cabinet, and water inlet pipe and stereoplasm tube are connected on connecting plate, and water inlet pipe is arranged in hard
The right side of pipe, stereoplasm tube top are connected with air bag, and stereoplasm tube left upper portion is connected with outlet pipe, and connecting plate is arranged in outlet pipe
Top, so the temperature of weld is excessively high to need timely cooled and solidified, and cloth is placed on by worker after power worker's welding
Connecting plate top left side, worker the intracorporal water of case can be discharged by stereoplasm tube and outlet pipe using air pressure by pressing pressuring gasbag
Cloth is soaked, wet cloth weld can be covered in this way, meet the welding of power worker.
Because further including having L shape screw rod and screwed ring, bottom left is provided with thread groove in crane, and ladder middle inside connects
It is connected to screwed ring, L shape screw rod is combined in screwed ring, L shape screw rod and thread groove cooperate, so when worker enters in crane
Afterwards, L shape screw rod is screwed into thread groove, so that ladder be fixed, guarantees the safety of worker.
Because further including having threaded rod and nut, uniform formula is provided with threaded hole on ladder, and threaded rod, spiral shell is arranged in threaded hole
Nut is combined on rasp bar, so being convenient in this way by the loosening of threaded rod and the cooperation easy access ladder of nut by nut
It tightens, improves the safety of the device.
Control mode of the invention is automatically controlled by controller, the skill that the control circuit of controller passes through this field
Art personnel's simple programming can be realized, and belong to the common knowledge of this field, and the present invention is mainly used to protect mechanical device, institute
Control mode and circuit connection are not explained with the present invention.
(3) beneficial effect
Invention achieves the welding other equipment convenient for power worker in different height position, while being convenient for the device
It is fixed, guarantee the certain stability of the device, relieve summer heat convenient for worker's cooling, it is convenient to operate, and saves electric energy and safety, while can
In time by weld cooled and solidified, meet the welding demand of power worker, the loosening of easy access ladder improves the peace of the device
The effect of full property.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is the first part schematic view of the front view of the invention.
Fig. 3 is the schematic view of the front view of the fixed device of the present invention.
Fig. 4 is the schematic view of the front view of lifting device of the present invention.
Fig. 5 is the schematic view of the front view of cooling device of the present invention.
Fig. 6 is the right side structural representation of cooling device of the present invention.
Fig. 7 is second of part schematic view of the front view of the invention.
Fig. 8 is the third part schematic view of the front view of the invention.
Fig. 9 is part right side structural representation of the invention.
The label in accompanying drawing is: 1- crane, 2- ladder, 3- universal wheel, the fixed device of 4-, the mono- word hole 41-, 42- cam,
The first elastic component of 43-, 44- contact wheel, 45- sucker, 46- bull stick, 5- lifting device, 51- fixed stop, the second elastic component of 52-,
53- sliding block, 54- sliding rail, 55- drawstring, the electronic reel of 56-, 57- strut, 58- elevating lever, 6- bottom plate, 7- cooling device, 71-
Blade, 72- first bearing seat, 73- first bevel gear, 74- first rotating shaft, 75- second bevel gear, the second shaft of 76-, 77-
Two bearing bracket, 78- handle, 8- water inlet pipe, 9- air bag, 10- outlet pipe, 11- cabinet, 12- connecting plate, 13- stereoplasm tube, 14-L shape
Screw rod, 15- screwed ring, 16- thread groove, 17- threaded rod, 18- threaded hole, 19- nut.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of power construction welding auxiliary equipment includes crane 1, ladder 2, universal wheel 3, fixes as shown in figs 1-9
Device 4, lifting device 5 and bottom plate 6,6 bottom of bottom plate are provided with universal wheel 3, and lifting device 5, lifting dress are provided at the top of bottom plate 6
The lower section for setting 5 is provided with fixed device 4, and the top of lifting device 5 is connected with crane 1, ladder 2 is provided on the left of crane 1.
Embodiment 2
A kind of power construction welding auxiliary equipment includes crane 1, ladder 2, universal wheel 3, fixes as shown in figs 1-9
Device 4, lifting device 5 and bottom plate 6,6 bottom of bottom plate are provided with universal wheel 3, and lifting device 5, lifting dress are provided at the top of bottom plate 6
The lower section for setting 5 is provided with fixed device 4, and the top of lifting device 5 is connected with crane 1, ladder 2 is provided on the left of crane 1.
Fixed device 4 includes cam 42, the first elastic component 43, contact wheel 44, sucker 45 and bull stick 46,6 middle part of bottom plate
It is provided with a word hole 41, bull stick 46 is connected on lifting device 5, cam 42 is provided on bull stick 46,6 middle part downside of bottom plate is provided with
Sucker 45, the first elastic component 43 is respectively connected between the left and right sides between sucker 45 and bottom plate 6, and the middle part at 45 top of sucker is set
It is equipped with contact wheel 44, contact wheel 44 is in contact with cam 42.
Embodiment 3
A kind of power construction welding auxiliary equipment includes crane 1, ladder 2, universal wheel 3, fixes as shown in figs 1-9
Device 4, lifting device 5 and bottom plate 6,6 bottom of bottom plate are provided with universal wheel 3, and lifting device 5, lifting dress are provided at the top of bottom plate 6
The lower section for setting 5 is provided with fixed device 4, and the top of lifting device 5 is connected with crane 1, ladder 2 is provided on the left of crane 1.
Fixed device 4 includes cam 42, the first elastic component 43, contact wheel 44, sucker 45 and bull stick 46,6 middle part of bottom plate
It is provided with a word hole 41, bull stick 46 is connected on lifting device 5, cam 42 is provided on bull stick 46,6 middle part downside of bottom plate is provided with
Sucker 45, the first elastic component 43 is respectively connected between the left and right sides between sucker 45 and bottom plate 6, and the middle part at 45 top of sucker is set
It is equipped with contact wheel 44, contact wheel 44 is in contact with cam 42.
Lifting device 5 includes fixed stop 51, the second elastic component 52, sliding block 53, sliding rail 54, drawstring 55, electronic coiling
Symmetrical expression is provided with cunning on bottom plate 6 at left and right sides of wheel 56, strut 57 and elevating lever 58, the bottom of crane 1 and a word hole 41
Rail 54, is provided with sliding block 53 on sliding rail 54, and the outer end of sliding rail 54 is provided with fixed stop 51, the left slider 53 of top with
Crossed-symmetrical rotary type is connected between the right side sliding block 53 of lower section and the right side sliding block 53 of top and the left slider 53 of lower section
Elevating lever 58, the middle part rotary type connection of elevating lever 58 connect between the outside and fixed stop 51 of lower section left and right sides sliding block 53
Be connected to the second elastic component 52, be provided with strut 57 on the bottom plate 6 of 41 middle part front side of a word hole, 57 upper end of strut be provided with it is electronic around
Line wheel 56, bull stick 46 are connected to electronic 56 rear side of reel, are wound with drawstring 55 on electronic reel 56, the left end of drawstring 55 is under
The sliding block 53 in side left side is connected, and the right end of drawstring 55 is connected with the sliding block 53 of lower right.
Embodiment 4
A kind of power construction welding auxiliary equipment includes crane 1, ladder 2, universal wheel 3, fixes as shown in figs 1-9
Device 4, lifting device 5 and bottom plate 6,6 bottom of bottom plate are provided with universal wheel 3, and lifting device 5, lifting dress are provided at the top of bottom plate 6
The lower section for setting 5 is provided with fixed device 4, and the top of lifting device 5 is connected with crane 1, ladder 2 is provided on the left of crane 1.
Fixed device 4 includes cam 42, the first elastic component 43, contact wheel 44, sucker 45 and bull stick 46,6 middle part of bottom plate
It is provided with a word hole 41, bull stick 46 is connected on lifting device 5, cam 42 is provided on bull stick 46,6 middle part downside of bottom plate is provided with
Sucker 45, the first elastic component 43 is respectively connected between the left and right sides between sucker 45 and bottom plate 6, and the middle part at 45 top of sucker is set
It is equipped with contact wheel 44, contact wheel 44 is in contact with cam 42.
Lifting device 5 includes fixed stop 51, the second elastic component 52, sliding block 53, sliding rail 54, drawstring 55, electronic coiling
Symmetrical expression is provided with cunning on bottom plate 6 at left and right sides of wheel 56, strut 57 and elevating lever 58, the bottom of crane 1 and a word hole 41
Rail 54, is provided with sliding block 53 on sliding rail 54, and the outer end of sliding rail 54 is provided with fixed stop 51, the left slider 53 of top with
Crossed-symmetrical rotary type is connected between the right side sliding block 53 of lower section and the right side sliding block 53 of top and the left slider 53 of lower section
Elevating lever 58, the middle part rotary type connection of elevating lever 58 connect between the outside and fixed stop 51 of lower section left and right sides sliding block 53
Be connected to the second elastic component 52, be provided with strut 57 on the bottom plate 6 of 41 middle part front side of a word hole, 57 upper end of strut be provided with it is electronic around
Line wheel 56, bull stick 46 are connected to electronic 56 rear side of reel, are wound with drawstring 55 on electronic reel 56, the left end of drawstring 55 is under
The sliding block 53 in side left side is connected, and the right end of drawstring 55 is connected with the sliding block 53 of lower right.
It further include having cooling device 7, right side wall top is provided with cooling device 7 in crane 1, and cooling device 7 includes
Blade 71, first bearing seat 72, first bevel gear 73, first rotating shaft 74, second bevel gear 75, the second shaft 76, second bearing
Seat 77 and handle 78, right side wall top is provided with first bearing seat 72 in crane 1, and first turn is equipped in first bearing seat 72
Axis 74 is provided with first bevel gear 73 and blade 71 in first rotating shaft 74, and the left side of first bevel gear 73 is arranged in blade 71, and
It is provided with second bearing seat 77 on 1 right side wall of crane of one bearing block, 72 rear side, second turn is equipped in second bearing seat 77
Axis 76, is provided with second bevel gear 75 in the second shaft 76, and second bevel gear 75 is arranged in the right side of first bevel gear 73, and first
Bevel gear 73 and second bevel gear 75 engage, and the rear end of the second shaft 76 is connected with handle 78.
It further include having water inlet pipe 8, air bag 9, outlet pipe 10, cabinet 11, connecting plate 12 and stereoplasm tube 13,1 bottom of crane
Right side is provided with cabinet 11, and middle and upper part is connected with connecting plate 12 in cabinet 11, and water inlet pipe 8 and stereoplasm tube are connected on connecting plate 12
13, the right side of stereoplasm tube 13 is arranged in water inlet pipe 8, and air bag 9 is connected at the top of stereoplasm tube 13, and 13 left upper portion of stereoplasm tube is connected with
The top of connecting plate 12 is arranged in outlet pipe 10, outlet pipe 10.
It further include having L shape screw rod 14 and screwed ring 15, bottom left is provided with thread groove 16 in crane 1, in 2 inside of ladder
Portion is connected with screwed ring 15, and L shape screw rod 14 is combined in screwed ring 15, and L shape screw rod 14 and thread groove 16 cooperate.
It further include having threaded rod 17 and nut 19, uniform formula is provided with threaded hole 18 on ladder 2, and screw thread is arranged in threaded hole 18
Bar 17 is combined with nut 19 on threaded rod 17.
The material of elevating lever 58 is Q235 steel.
Working principle: when power worker needs to rise certain altitude welding, worker by ladder 2 counterclockwise to lower swing,
Ladder 2 and ground touch, and worker is entered in crane 1 by ladder 2, and ladder 2 resets, and worker starts lifting device 5 and transports
Make, lifting device 5 drives crane 1 to move up and down, the welding other equipment convenient for power worker in different height position, simultaneously
Lifting device 5 drives fixed device 4 to operate, and fixed device 4 fixes the device, guarantees the stability of the device.
Because fixed device 4 includes cam 42, the first elastic component 43, contact wheel 44, sucker 45 and bull stick 46, bottom plate 6
Middle part is provided with a word hole 41, and bull stick 46 is connected on lifting device 5, and cam 42 is provided on bull stick 46, and 6 middle part downside of bottom plate is set
It is equipped with sucker 45, is respectively connected with the first elastic component 43 between the left and right sides between sucker 45 and bottom plate 6, in 45 top of sucker
Portion is provided with contact wheel 44, and contact wheel 44 is in contact with cam 42, so band moving cam 42 rotates when lifting device 5 starts,
When the distal end of cam 42 is in contact with contact wheel 44, sucker 45 is moved down to be touched with ground, and the first elastic component 43 is stretched,
Sucker 45 fixes the device, guarantees the stabilization of the device.
Because lifting device 5 includes fixed stop 51, the second elastic component 52, sliding block 53, sliding rail 54, drawstring 55, electronic
Symmetrical setting on bottom plate 6 at left and right sides of reel 56, strut 57 and elevating lever 58, the bottom of crane 1 and a word hole 41
There is sliding rail 54, sliding block 53 is provided on sliding rail 54, the outer end of sliding rail 54 is provided with fixed stop 51, the left slider of top
53 and lower section right side sliding block 53 and top right side sliding block 53 and lower section left slider 53 between crossed-symmetrical rotary type connect
Be connected to elevating lever 58, the middle part rotary type connection of elevating lever 58, at left and right sides of lower section the outside of sliding block 53 and fixed stop 51 it
Between be connected with the second elastic component 52, be provided with strut 57 on the bottom plate 6 of 41 middle part front side of a word hole, 57 upper end of strut is provided with electricity
Dynamic reel 56, bull stick 46 are connected to electronic 56 rear side of reel, are wound with drawstring 55, the left end of drawstring 55 on electronic reel 56
It is connected with the sliding block 53 of lower left, the right end of drawstring 55 is connected with the sliding block 53 of lower right, so working as power worker
When welding needs to rise or fall certain altitude, worker starts electronic reel 56 and rotates, electronic 56 folding and unfolding drawstring 55 of reel,
Drawstring 55 drives the sliding block 53 of the lower section left and right sides to move left and right, and thus elevating lever 58 is driven to move up and down.
Because further including having cooling device 7, right side wall top is provided with cooling device 7 in crane 1, and cooling device 7 wraps
Blade 71, first bearing seat 72, first bevel gear 73, first rotating shaft 74, second bevel gear 75, the second shaft 76, second are included
Bearing block 77 and handle 78, right side wall top is provided with first bearing seat 72 in crane 1, and is equipped in first bearing seat 72
One shaft 74 is provided with first bevel gear 73 and blade 71 in first rotating shaft 74, and a left side for first bevel gear 73 is arranged in blade 71
Side is provided with second bearing seat 77 on 1 right side wall of crane of the rear side of first bearing seat 72, and the is equipped in second bearing seat 77
Two shafts 76 are provided with second bevel gear 75 in second shaft 76, and the right side of first bevel gear 73 is arranged in second bevel gear 75,
First bevel gear 73 and second bevel gear 75 engage, and the rear end of the second shaft 76 is connected with handle 78, so working as power worker's work
When heat of making comparisons, worker's shake handle 78 drives the rotation of the second shaft 76, and the second shaft 76 drives movable vane piece 71 to rotate, therewith
It is fanned out to wind, is relieved summer heat to have the function that cool down to worker, it is convenient to operate, and saves electric energy and safety.
Because further including having water inlet pipe 8, air bag 9, outlet pipe 10, cabinet 11, connecting plate 12 and stereoplasm tube 13, crane 1
Bottom right is provided with cabinet 11, and middle and upper part is connected with connecting plate 12 in cabinet 11, and water inlet pipe 8 and hard is connected on connecting plate 12
The right side of stereoplasm tube 13 is arranged in matter pipe 13, water inlet pipe 8, and air bag 9 is connected at the top of stereoplasm tube 13, and 13 left upper portion of stereoplasm tube connects
It is connected to outlet pipe 10, the top of connecting plate 12 is arranged in outlet pipe 10, so after power worker's welding, the temperature of weld
The high timely cooled and solidified of needs is spent, cloth is placed on 12 top left side of connecting plate by worker, and worker can be by pressing pressuring gasbag 9, benefit
Cloth is soaked by the water in cabinet 11 by stereoplasm tube 13 and the discharge of outlet pipe 10 with air pressure, wet cloth can be covered to weldering in this way
Place is met, the welding of power worker is met.
Because further including having L shape screw rod 14 and screwed ring 15, bottom left is provided with thread groove 16 in crane 1, in ladder 2
Middle side part is connected with screwed ring 15, L shape screw rod 14 is combined in screwed ring 15, L shape screw rod 14 and thread groove 16 cooperate, so working as
After worker enters in crane 1, L shape screw rod 14 is screwed into thread groove 16, thus ladder 2 is fixed, guarantee the peace of worker
Entirely.
Because further including having threaded rod 17 and nut 19, uniform formula is provided with threaded hole 18, setting in threaded hole 18 on ladder 2
Threaded rod 17 is combined with nut 19 on threaded rod 17, so passing through the cooperation easy access ladder of threaded rod 17 and nut 19 in this way
The loosening of frame 2 improves the safety of the device convenient for tightening nut 19.
Control mode of the invention is automatically controlled by controller, the skill that the control circuit of controller passes through this field
Art personnel's simple programming can be realized, and belong to the common knowledge of this field, and the present invention is mainly used to protect mechanical device, institute
Control mode and circuit connection are not explained with the present invention.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.