CN208633662U

CN208633662U - Electric construction equipment with safety fence

Info

Publication number: CN208633662U
Application number: CN201820805591.3U
Authority: CN
Inventors: 黄婷婷
Original assignee: XINXING DUCTILE IRON PIPES XINJIANG CO Ltd
Current assignee: Xinjiang Tianshan iron and steel Bazhou Co.,Ltd.
Priority date: 2018-05-28
Filing date: 2018-05-28
Publication date: 2019-03-22
Anticipated expiration: 2028-05-28

Abstract

The utility model discloses electric construction equipment with safety guardrail, the structure of which comprises electric equipment, a support, a mounting hole, a reinforcing plate, a driven telescopic railing, an anti-collision plate, a protective railing, and an active telescopic railing; the utility model adopts The driving mechanism drives the lifting mechanism to rotate, and the active telescopic railing is lifted up through the lifting rack, so that the guardrail can be automatically retracted for easy storage. The active telescopic railing is provided with an anti-collision plate, which can avoid collisions and damage the guardrail. Practicality, through the support mechanism, the active telescopic railing can be reinforced to drive the protective handrail to rise, and there will be no automatic sliding down. The designed protective railing is small in size, can be used shrunk, has a compact structure, is fastened, and has obvious protective effect.

Description

Power construction equipment with safety guide rail

Technical field

The utility model relates in power construction equipment technical field, particularly with regard to a kind of with safety guide rail Power construction equipment.

Background technique

Protective fence is mainly used for the protection and protection occasion of equipment and facilities between factory, workshop and warehouse.Common steel institute System, such as round steel pipe, square steel tube or profiled sheet.Process of surface treatment: full-automatic electrostatic powder coating (i.e. plastic-spraying) or spray painting.Room The raw materials used material for waterproofness of surface treatment of external application anticollision barrier.Anticollision barrier good appearance is made, and is not easy to get rusty. The column of anticollision barrier is fixed by expansion bolt and ground.It is usually mounted to such as logistics corridor two sides, production equipment periphery is built Walling angle, two sides and load bed edge of door etc..It brings when effectively the contact of deduction and exemption haulage equipment is shuttled and is set caused by accidental impact Standby, facility damage.In addition itself protective action is also functioned to logistics haulage equipment.

And safeguard procedures are needed during the power construction of the prior art, this just needs to be arranged at the scene protective fence, and mesh Before the protective fence volume that has it is larger, structure is not compact enough, fastening, and protection effect is less obvious, therefore seeks a kind of have safety The power construction equipment of protective fence becomes mainly to be solved the problems, such as at present.

Utility model content

In view of the deficiencies of the prior art, the utility model is achieved through the following technical solutions: having security protection The power construction equipment on column, structure include power equipment, support, mounting hole, securing plate, driven flexible railing, Crashworthy plate, prevent Shield handrail, actively stretch railing；

The power equipment bottom end has support, and the power equipment is fixedly connected with support, the support Surface is equipped with mounting hole, and the securing plate is fixedly mounted in abutment surface vertically, and the support is equipped with driven stretch Contracting railing, the support and driven flexible railing are gap-matched, and the railing that actively stretches is inserted vertically embedded in electric power It is described actively to stretch railing and driven flexible railing is flexibly connected by protection handrail on equipment top；

The power equipment is by shell, driving mechanism, the first belt, transmission mechanism, supporting mechanism, casing, elevator Structure composition, the enclosure interior bottom end middle position are equipped with driving mechanism, and the shell is connected with driving mechanism, institute Transmission mechanism is equipped under the driving mechanism left and right ends stated, the driving mechanism and transmission mechanism match, the drive Motivation structure is equipped with elevating mechanism, the driving mechanism and elevating mechanism and is sequentially connected by the first belt, the transmission Mechanism is equipped with supporting mechanism, and the transmission mechanism is connected with supporting mechanism, and the housing tip is equipped with casing, institute Shell and the casing welding stated.

As advanced optimizing for the technical program, the driving mechanism includes motor, motor shaft, toothed disc, first Belt pulley, the second belt, belt shaft, the second belt pulley, first gear, worm screw, the motor surface are equipped with motor shaft, institute The motor stated and motor shaft one end mechanical connection, the motor shaft other end are equipped with toothed disc, the motor shaft and tooth Wheel disc is meshed, and the toothed disc middle position is equipped with the first belt pulley, and the toothed disc and the first belt pulley are fixed Connection, first belt pulley are equipped with belt shaft, first belt pulley and belt shaft and are connected by the transmission of the second belt It connects, the belt shaft surface is equipped with worm screw, and the belt shaft and worm screw welding, the worm screw top are equipped with first Gear, the worm screw and first gear are meshed, and the first gear middle position is equipped with the second belt pulley, described First gear and the second belt pulley mechanical connection, the belt shaft and transmission mechanism match, second belt pulley and Elevating mechanism is sequentially connected by the first belt.

As advanced optimizing for the technical program, the transmission mechanism includes the first folding and unfolding spool, the first bracing wire, the Two folding and unfolding spools, spring wire winding tube, the second bracing wire, the first folding and unfolding spool have the second folding and unfolding spool, and described One folding and unfolding spool and the second folding and unfolding spool are connected by the first bracing wire, and the second folding and unfolding spool surface is received equipped with spring Spool, the second folding and unfolding spool and spring wire winding tube mechanical connection, the spring wire winding tube are equipped with the second bracing wire, institute The spring wire winding tube and supporting mechanism stated are matched by the second bracing wire.

As advanced optimizing for the technical program, the supporting mechanism include take-up pulley, second gear, oscillating rod, Spring, the first cam, transmission shaft, third gear, first pulley, support plate, the second gear middle position, which is equipped with, receives Line wheel, the second gear and take-up pulley mechanical connection, the second gear are equipped with third gear, second tooth Wheel and third gear are meshed, and the third gear middle position is equipped with the first cam, the third gear and first For cam by transmission shaft using being interference fitted, first cam face is equipped with oscillating rod, first cam and pendulum Lever is slidably matched by first pulley, and the oscillating rod has spring, and the oscillating rod is connected with spring, described Oscillating rod top be equipped with support plate, the oscillating rod and support plate be gap-matched, the support plate and lifting Mechanism is flexibly connected.

As advanced optimizing for the technical program, the elevating mechanism includes lifter rack, the 4th gear, fixation Frame, tooth block, push rod, second pulley, the second cam, third belt pulley, the fixed frame top is equipped with the 4th gear, described Fixed frame and the 4th gear be gap-matched, the 4th gear surface be equipped with lifter rack, the 4th tooth Wheel and lifter rack transmission connection, the fixed frame are equipped with cam, the fixed frame and cam using interference fit, institute The cam middle position stated is equipped with third belt pulley, the cam and third belt pulley mechanical connection, the cam top End is equipped with push rod, and the cam and push rod are slidably matched by second pulley, and the push rod is equipped with tooth block, described Push rod and the 4th gear are matched by tooth block.

As advanced optimizing for the technical program, the support plate further includes adjustable spring column, the support plate Surface is equipped with adjustable spring column, and the support plate is connected with adjustable spring column.

As advanced optimizing for the technical program, second belt pulley and third belt pulley are passed by the first belt Dynamic connection.

As advanced optimizing for the technical program, the railing that actively stretches is vertically installed in casing, described Railing bottom end of actively stretching mutually is welded with lifter rack top.

As advanced optimizing for the technical program, the Crashworthy plate is using gummy material production, when receiving shock, Buffer function can be played.

It is described actively to stretch railing and driven flexible railing is parallel to each other as advanced optimizing for the technical program.

Beneficial effect

The utility model has the power construction equipment of safety guide rail, when user wants using the utility model Servo motor is driven, servo motor converts electrical energy into kinetic energy using motor shaft, and motor shaft drives gear disc spins, and Toothed disc and the first belt pulley mechanical connection, the first belt pulley drive belt shaft rotation, belt shaft and worm screw by the second belt Welding, therefore worm screw drives the second belt pulley to work by first gear, the second belt pulley drives third skin using the first belt Belt wheel rotation, third belt pulley and the connection of the second cam mechanism, the second cam engagement second pulley drive push rod to swing work, and Push rod pushes the rotation of the 4th gear by tooth block, and the 4th gear and lifter rack are meshed, therefore lifter rack is able to drive master Dynamic flexible railing rises, and belt shaft is equipped with the first folding and unfolding spool, and the first folding and unfolding spool pulls the second folding and unfolding by the first bracing wire Spool rotation, and spring wire winding tube cooperates the rotation of the second folding and unfolding spool and rotates, spring wire winding tube is pulled by the second bracing wire Take-up pulley, take-up pulley and second gear mechanical connection, so second gear drives the rotation of third gear, third gear utilizes transmission Kinetic energy is transmitted on the first cam by axis, and the first cam drives oscillating rod one end to swing by first pulley, so that swinging Bar drives support plate to slide into lifter rack bottom end and support the gravity of its own, and support plate is equipped with adjustable spring column and is used for It is assisted not derail and shake.

For the prior art, the utility model drives elevating mechanism rotation using driving mechanism, passes through lifter rack The railing that actively stretches has been lifted, protective fence can be shunk automatically convenient for storage, the railing that actively stretches is equipped with Crashworthy plate, It can be avoided appearance to collide and damage protective fence, improve practicability, the railing band that actively stretches can be reinforced by supporting mechanism It is not in automatic downslide, the protective fence small volume of the design can shrink use, and structure is tight after dynamic protection handrail rises It gathers, fasten, protection effect is obvious.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:

Fig. 1 is the structural schematic diagram for the power construction equipment that the utility model has safety guide rail.

Fig. 2 is the cross-sectional view for the power construction equipment that the utility model has safety guide rail.

Fig. 3 is the working state structure schematic diagram for the power construction equipment that the utility model has safety guide rail.

In figure: power equipment -1, support -2, mounting hole -3, securing plate -4, driven flexible railing -5, Crashworthy plate -6, protection Handrail -7, the railing -8 that actively stretches, shell -101, driving mechanism -102, the first belt -103, transmission mechanism -104, support machine Structure -105, casing -106, elevating mechanism -107, servo motor -1021, motor shaft -1022, toothed disc -1023, the first belt Take turns the -1024, second belt -1025, belt shaft -1026, the second belt pulley -1027, first gear -1028, worm screw -1029, the One folding and unfolding spool -1041, the first bracing wire -1042, the second folding and unfolding spool -1043, spring wire winding tube -1044, the second bracing wire - 1045, take-up pulley -1051, second gear -1052, oscillating rod -1053, spring -1054, the first cam -1055, transmission shaft - 1056, third gear -1057, first pulley -1058, support plate -1059, adjustable spring column -10591, lifter rack -1071, 4th gear -1072, fixed frame -1073, tooth block -1074, push rod -1075, second pulley -1076, the second cam -1077, Three belt pulleys -1078.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment and Detailed description of the invention, the preferred embodiment of the utility model is further described.

Embodiment

Fig. 1-Fig. 3 is please referred to, the utility model provides the power construction equipment with safety guide rail, and structure includes electricity Power equipment 1, support 2, mounting hole 3, securing plate 4, driven flexible railing 5, Crashworthy plate 6, protection handrail 7, actively stretch railing 8；

1 bottom end of power equipment has support 2, and the power equipment 1 is fixedly connected with support 2, described 2 surface of support is equipped with mounting hole 3, and the securing plate 4 is fixedly mounted on 2 surface of support vertically, sets on the support 2 There is driven flexible railing 5, the support 2 and driven flexible railing 5 are gap-matched, and the railing 8 that actively stretches is perpendicular Straight cutting is described actively stretch railing 8 and driven flexible railing 5 is connected by 7 activity of protection handrail on 1 top of power equipment It connects；

The power equipment 1 is by shell 101, driving mechanism 102, the first belt 103, transmission mechanism 104, supporting mechanism 105, casing 106, elevating mechanism 107 form, and the 101 inner bottom middle position of shell is equipped with driving mechanism 102, institute The shell 101 stated is connected with driving mechanism 102, is equipped with transmission mechanism 104 under 102 left and right ends of driving mechanism, The driving mechanism 102 and transmission mechanism 104 matches, and the driving mechanism 102 is equipped with elevating mechanism 107, described Driving mechanism 102 and elevating mechanism 107 by the first belt 103 be sequentially connected, the transmission mechanism 104 be equipped with support Mechanism 105, the transmission mechanism 104 are connected with supporting mechanism 105, and 101 top of shell is equipped with casing 106, The shell 101 and casing 106 weld；

The driving mechanism 102 includes motor 1021, motor shaft 1022, toothed disc 1023, the first belt pulley 1024, the Two belts 1025, belt shaft 1026, the second belt pulley 1027, first gear 1028, worm screw 1029,1021 surface of motor It is equipped with motor shaft 1022, the motor 1021 and 1022 one end of motor shaft mechanical connection, the motor shaft 1022 are another End is equipped with toothed disc 1023, and the motor shaft 1022 and toothed disc 1023 are meshed, 1023 interposition of toothed disc It sets and is equipped with the first belt pulley 1024, the toothed disc 1023 is fixedly connected with the first belt pulley 1024, first skin Belt wheel 1024 is equipped with belt shaft 1026, first belt pulley 1024 and belt shaft 1026 and is driven by the second belt 1025 Connection, 1026 surface of belt shaft are equipped with worm screw 1029, and the belt shaft 1026 and worm screw 1029 are welded, described 1029 top of worm screw is equipped with first gear 1028, and the worm screw 1029 and first gear 1028 are meshed, and described first 1028 middle position of gear is equipped with the second belt pulley 1027, and the first gear 1028 and the second belt pulley 1027 are mechanical even It connects, the belt shaft 1026 and transmission mechanism 104 match, and second belt pulley 1027 and elevating mechanism 107 pass through The transmission connection of first belt 103；

The transmission mechanism 104 include the first folding and unfolding spool 1041, the first bracing wire 1042, the second folding and unfolding spool 1043, Spring wire winding tube 1044, the second bracing wire 1045, the first folding and unfolding spool 1041 has the second folding and unfolding spool 1043, described The first folding and unfolding spool 1041 and the second folding and unfolding spool 1043 be connected by the first bracing wire 1042, the second folding and unfolding spool 1043 surfaces are equipped with spring wire winding tube 1044, and the second folding and unfolding spool 1043 and spring wire winding tube 1044 are mechanically connected, The spring wire winding tube 1044 is equipped with the second bracing wire 1045, and the spring wire winding tube 1044 and supporting mechanism 105 pass through Second bracing wire 1045 matches；

The supporting mechanism 105 includes take-up pulley 1051, second gear 1052, oscillating rod 1053, spring 1054, first Cam 1055, transmission shaft 1056, third gear 1057, first pulley 1058, support plate 1059, in the second gear 1052 Between position be equipped with take-up pulley 1051, the second gear 1052 and take-up pulley 1051 are mechanically connected, the second gear 1052 are equipped with third gear 1057, and the second gear 1052 and third gear 1057 are meshed, the third gear 1057 middle positions are equipped with the first cam 1055, and the third gear 1057 and the first cam 1055 pass through transmission shaft 1056 Using interference fit, 1055 surface of the first cam is equipped with oscillating rod 1053, first cam 1055 and swing Bar 1053 is slidably matched by first pulley 1058, and the oscillating rod 1053 has spring 1054, the oscillating rod 1053 are connected with spring 1054, and 1053 top of oscillating rod is equipped with support plate 1059,1053 He of oscillating rod Support plate 1059 is gap-matched, and the support plate 1059 and elevating mechanism 107 are flexibly connected；

The elevating mechanism 107 includes lifter rack 1071, the 4th gear 1072, fixed frame 1073, tooth block 1074, pushes away Bar 1075, second pulley 1076, the second cam 1077, third belt pulley 1078,1073 top of fixed frame are equipped with the Four gears 1072, the fixed frame 1073 and the 4th gear 1072 are gap-matched, 1072 surface of the 4th gear It is equipped with lifter rack 1071, the 4th gear 1072 and lifter rack 1071 are sequentially connected, the fixed frame 1073 Cam 1077, the fixed frame 1073 and cam 1077 are equipped with using interference fit, 1077 middle position of cam It is equipped with third belt pulley 1078, the cam 1077 and third belt pulley 1078 are mechanically connected, and the cam 1077 pushes up End is equipped with push rod 1075, the cam 1077 and push rod 1075 and is slidably matched by second pulley 1076, the push rod 1075 are equipped with tooth block 1074, the push rod 1075 and the 4th gear 1072 is matched by tooth block 1074；

The support plate 1059 further includes adjustable spring column 10591, and 1059 surface of support plate is equipped with flexible Spring stack 10591, the support plate 1059 are connected with adjustable spring column 10591, second belt pulley 1027 and Three belt pulleys 1078 are sequentially connected by the first belt 103, and the railing 8 that actively stretches is vertically installed in casing 106, institute 8 bottom end of railing of actively stretching stated mutually is welded with 1071 top of lifter rack, and the Crashworthy plate 6 is made of gummy material, When receiving shock, buffer function can be played, it is described actively to stretch railing 8 and driven flexible railing 5 is parallel to each other.

The principles of the present invention: servo motor 1021 is driven when user wants using the utility model Dynamic, servo motor 1021 converts electrical energy into kinetic energy using motor shaft 1022, and motor shaft 1022 drives toothed disc 1023 to rotate, and Toothed disc 1023 and the first belt pulley 1024 mechanical connection, the first belt pulley 1024 drive belt shaft by the second belt 1025 1026 rotations, belt shaft 1026 and worm screw 1029 are welded, therefore worm screw 1029 drives the second belt pulley by first gear 1028 1027 work, the second belt pulley 1027 drive third belt pulley 1078 to rotate using the first belt 103,1078 He of third belt pulley Second cam 1077 mechanical connection, the cooperation drive swing work of push rod 1075 of second pulley 1076 of the second cam 1077, and push rod 1075 push the rotation of the 4th gear 1072 by tooth block 1074, and the 4th gear 1072 and lifter rack 1071 are meshed, therefore rise Drop rack gear 1071 is able to drive the rise of railing 8 of actively stretching, and belt shaft 1026 is equipped with the first folding and unfolding spool 1041, the first folding and unfolding Spool 1041 pulls the rotation of the second folding and unfolding spool 1043 by the first bracing wire 1042, and spring wire winding tube 1044 cooperates the second folding and unfolding The rotation of spool 1043 and rotate, spring wire winding tube 1044 by the second bracing wire 1045 pull take-up pulley 1051, take-up pulley 1051 It is mechanically connected with second gear 1052, so second gear 1052 drives third gear 1057 to rotate, third gear 1057 is utilized Kinetic energy is transmitted on the first cam 1055 by transmission shaft 1056, and the first cam 1055 drives oscillating rod by first pulley 1058 1053 one end swing, so that oscillating rod 1053 drives support plate 1059 to slide into 1071 bottom end of lifter rack and support it The gravity of itself, support plate 1059 are equipped with adjustable spring column 10591 for assisting it not derail and shake.

Servo motor 1021 described in the utility model can make to control speed, and position precision is very accurate, can be by voltage Signal is converted into torque and revolving speed with drive control object.Servo motor rotor revolving speed is controlled by input signal, and can be quickly anti- It answers, in automatic control system, is used as executive component, and there are the spies such as electromechanical time constant small, the linearity is high, pickup voltage Property, the angular displacement that the electric signal received can be converted on motor reel or angular speed export.It is divided into direct current and AC servo Motor two major classes, are mainly characterized by, and when signal voltage is zero without rotation phenomenon, revolving speed is with the increase of torque and at the uniform velocity Decline.

The utility model solves the problems, such as it is that the protective fence volume that has at present is larger, and structure is not compact enough, fastening, protection effect Fruit is less obvious, and the utility model is combined with each other by above-mentioned component, and the utility model drives lifting using driving mechanism 102 Mechanism 107 rotates, and is up held up by the railing 8 that will actively stretch of lifter rack 1071, protective fence can be shunk automatically and is convenient for Storage, the railing 8 that actively stretches are equipped with Crashworthy plate 6, can be avoided appearance and collide and damage protective fence, improve practicability, lead to Cross supporting mechanism 105 can reinforce actively stretch railing 8 drive protection handrail 7 rise after, be not in automatic downslide, the design Protective fence small volume, use can be shunk, compact-sized, fastening, protection effect is obvious.

Basic principles, main features, and advantages of the present invention, current row has been shown and described above The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, can not only under the premise of not departing from the spirit of the present invention or essential characteristic The utility model is realized in other specific forms, will also have various changes and improvements, these changes and improvements both fall within requirement The scope of the utility model of protection, therefore the utility model requires protection scope is by appended claims and its equivalent circle It is fixed, rather than above description limits.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments that can be managed.

Claims

1. Electric construction equipment with safety guardrail, its structure includes electric equipment (1), support (2), mounting hole (3), reinforcement plate (4), driven telescopic railing (5), anti-collision plate ( 6), protective railing (7), active telescopic railing (8), it is characterized in that:

A support (2) is provided under the bottom end of the electric equipment (1), the electric equipment (1) and the support (2) are fixedly connected, and mounting holes are provided on the surface of the support (2). (3), the reinforcing plate (4) is vertically fixed on the surface of the support (2), the support (2) is provided with a driven telescopic rail (5), and the support ( 2) Adopt clearance fit with the driven telescopic railing (5), the active telescopic railing (8) is vertically inserted on the top of the power equipment (1), the active telescopic railing (8) and the driven telescopic railing (5) Actively connected through the protective lever (7);

The electric equipment (1) is composed of a casing (101), a driving mechanism (102), a first belt (103), a transmission mechanism (104), a supporting mechanism (105), a sleeve (106), and a lifting mechanism (107) ), a driving mechanism (102) is provided at the middle position of the inner bottom end of the casing (101), the casing (101) is connected with the driving mechanism (102), and the driving mechanism (102) The left and right ends are provided with a transmission mechanism (104), the driving mechanism (102) is matched with the transmission mechanism (104), and a lifting mechanism (107) is provided on the driving mechanism (102). The driving mechanism (102) and the lifting mechanism (107) are connected by transmission through the first belt (103), the transmission mechanism (104) is provided with a support mechanism (105), and the transmission mechanism (104) and the support mechanism ( 105), the top of the casing (101) is provided with a sleeve (106), and the casing (101) and the sleeve (106) are welded.

2. The electric construction equipment with safety fence according to claim 1, wherein the drive mechanism (102) comprises a motor (1021), a motor shaft (1022), a gear plate (1023), a first A pulley (1024), a second belt (1025), a belt shaft (1026), a second pulley (1027), a first gear (1028), a worm (1029), the motor (1021) surface is provided with a motor shaft (1022), one end of the motor (1021) and the motor shaft (1022) are mechanically connected, the other end of the motor shaft (1022) is provided with a gear plate (1023), the motor shaft (1022) and the gear The discs (1023) are meshed with each other, a first pulley (1024) is arranged at the middle position of the gear disc (1023), the gear disc (1023) and the first pulley (1024) are fixedly connected, and the first pulley (1024) is fixedly connected. The pulley (1024) is provided with a belt shaft (1026), the first pulley (1024) and the belt shaft (1026) are connected in a driving manner through a second belt (1025), and the belt shaft (1026) is provided with a surface The worm (1029), the belt shaft (1026) and the worm (1029) are welded, the top of the worm (1029) is provided with a first gear (1028), the worm (1029) and the first gear ( 1028) are meshed, the first gear (1028) is provided with a second pulley (1027) in the middle position, the first gear (1028) and the second pulley (1027) are mechanically connected, and the belt shaft (1026) is matched with the transmission mechanism (104), and the second pulley (1027) and the lifting mechanism (107) are connected by transmission through the first belt (103).

3. The electric construction equipment with safety fence according to claim 1 or 2, characterized in that: the transmission mechanism (104) comprises a first retractable spool (1041), a first pull wire (1042), The second reel (1043), the spring reel (1044), the second pulling wire (1045), the first reel (1041) is provided with a second reel (1043), The first reel (1041) and the second reel (1043) are connected by a first pull wire (1042), and a spring retractor is provided on the surface of the second reel (1043). The spool (1044), the second reel (1043) and the spring reel (1044) are mechanically connected, and the spring reel (1044) is provided with a second pull wire (1045), so The spring take-up reel (1044) and the support mechanism (105) are matched through the second pull wire (1045).

4. The electric construction equipment with safety fence according to claim 1, characterized in that: the support mechanism (105) comprises a wire take-up wheel (1051), a second gear (1052), and a swing rod (1053) , spring (1054), first cam (1055), transmission shaft (1056), third gear (1057), first pulley (1058), support plate (1059), and a second gear (1052) in the middle The wire take-up wheel (1051), the second gear (1052) and the wire take-up wheel (1051) are mechanically connected, the second gear (1052) is provided with a third gear (1057), the second gear (1052) and the third gear ( 1057) mesh with each other, the third gear (1057) is provided with a first cam (1055) in the middle position, the third gear (1057) and the first cam (1055) use an interference fit through the transmission shaft (1056), and the first cam The surface of (1055) is provided with a swing lever (1053), the first cam (1055) and the swing lever (1053) are slidably matched by the first pulley (1058), and the swing lever (1053) is provided with a spring (1054) under the swing lever. (1053) is connected with the spring (1054), the top of the swing rod (1053) is provided with a support plate (1059), the swing rod (1053) and the support plate (1059) adopt clearance fit, and the support plate (1059) and the lifting mechanism ( 107) Active connections.

5. The electric construction equipment with safety fence according to claim 1 or 2, characterized in that: the lifting mechanism (107) comprises a lifting rack (1071), a fourth gear (1072), a fixing frame ( 1073), tooth block (1074), push rod (1075), second pulley (1076), second cam (1077), third pulley (1078), the top of the fixing frame (1073) is provided with a fourth A gear (1072), the fixing frame (1073) and the fourth gear (1072) adopt clearance fit, a lifting rack (1071) is arranged on the surface of the fourth gear (1072), and the fourth gear (1072) is (1072) is connected with the lifting rack (1071) in a driving manner, the fixing frame (1073) is provided with a cam (1077), and the fixing frame (1073) and the cam (1077) adopt an interference fit. A third pulley (1078) is arranged at the middle position of the cam (1077), the cam (1077) and the third pulley (1078) are mechanically connected, and a push rod (1075) is arranged on the top of the cam (1077), The cam (1077) and the push rod (1075) are slidably matched through the second pulley (1076), the push rod (1075) is provided with a tooth block (1074), and the push rod (1075) and the Four gears (1072) are matched by tooth blocks (1074).

6. The electric construction equipment with safety fence according to claim 4, characterized in that: the support plate (1059) further comprises a telescopic spring column (10591), and a surface of the support plate (1059) is provided with There is a telescopic spring column (10591), and the support plate (1059) is connected with the telescopic spring column (10591).

7. The electric construction equipment with safety fence according to claim 2, characterized in that: the second pulley (1027) and the third pulley (1078) are connected in a driving manner through a first belt (103).

8. The electric construction equipment with safety guardrail according to claim 1, characterized in that: the active telescopic railing (8) is vertically installed in the casing (106), and the active telescopic railing (8) ) bottom end and the top end of the lifting rack (1071) are welded.