CN209441317U - A kind of rural highway road-maintaining truck protective device - Google Patents

Abstract

The utility model discloses a kind of rural highway road-maintaining truck protective devices, including bottom plate, the front side of bottom plate is equipped with anti-scraping buffer unit, the rural highway road-maintaining truck protective device, structure is simple, installing and dismounting is easy to maintain, it brings great convenience to the use of user, and it can be according to demand, it is realized by protective device at top and protection is blocked to maintenance car body, avoid the occurrence of long-term exposing to the weather and weeds fallen leaves accumulation to car-body corrosion, when being realized by anti-scraping buffer unit to road or flowers and plants maintenance, avoid external sharp weapon collide with to car body and branch scrape, the protection to top device and personnel is realized by side guards, prevent that equipment is scattered and personnel slip and fall down, alleviate the maintenance load of personnel, for care the car and top maintenance of equipment omnibearing protection is provided, warning strip, warning The setting of lamp and heads-up display provides early warning for vehicular traffic, improves the service efficiency of protective device.

Description

A kind of rural highway road-maintaining truck protective device

Technical field

The utility model relates to road-maintaining truck technical field of auxiliary equipment, specially a kind of rural highway road-maintaining truck Protective device.

Background technique

The maintenance of road be unable to do without the hard work of environmental sanitation personnel, and caring the car is the beauty sharp weapon of mobile road, but for It cares the car for itself, lacks corresponding protection equipment, even if a small number of special vehicle body protecting apparatus, there is also problems, Structure is too simple, and installing and dismounting maintenance is inconvenient, brings great trouble to the use of user, and can not be according to need It is realistic that protection now is blocked to maintenance car body, it not can avoid long-term exposing to the weather and weeds fallen leaves accumulation to car-body corrosion situation Occur, can not realize to road or flowers and plants maintenance when, not can avoid external sharp weapon collide with to car body and branch scrape, can not It realizes protection to top device and personnel, can not prevent that equipment is scattered and personnel slip and fall down, virtually increase personnel's Maintenance load, cannot be care the car and top maintenance of equipment omnibearing protection is provided, vehicular traffic can not be accomplished to warn in advance Show, cause the service efficiency of protective device low, therefore a kind of rural highway road-maintaining truck for being able to solve problems is protected The realization of protection unit is imperative.

Utility model content

The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of rural highway road-maintaining truck Protective device, structure is simple, and installing and dismounting is easy to maintain, brings great convenience to the use of user, and being capable of root It according to demand, is realized by protective device at top and protection is blocked to maintenance car body, avoid long-term exposing to the weather and weeds fallen leaves heap The occurrence of product is to car-body corrosion avoids external sharp weapon when realizing by anti-scraping buffer unit to road or flowers and plants maintenance It collides with to car body and branch scrapes, realize the protection to top device and personnel by side guards, equipment is prevented to be scattered And personnel slip and fall down, and alleviate the maintenance load of personnel, it is alert to care the car and top maintenance of equipment provides omnibearing protection Show the setting of item, warning lamp and heads-up display, provide early warning for vehicular traffic, improves the service efficiency of protective device, it can Effectively to solve the problems in background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of rural highway road-maintaining truck protection Device, including bottom plate, the front side of the bottom plate are equipped with anti-scraping buffer unit, and two middle side part mounting base upper screwed holes of bottom plate are logical It crosses bolt to be threadedly coupled with installation six groups of equally distributed threaded holes of panel surface, the fixed company in the side of mounting disc and the bottom end of curved bar It connects, the top of curved bar is equipped with telescopic mast, the both ends bottom surface at the telescopic end top and L-shaped installing plate in protective device at top of telescopic mast It is fixedly connected, fixed structure is equipped on rear side of the upper end of bottom plate, the front side of mounting plate is equipped with side guards, bottom in fixed structure The rear side of plate is equipped with buffering cotton plate, and the upper center of bottom plate is equipped with electronic box, is equipped with battery in the case of electronic box, the upper end of electronic box is set There are control switch group, the output end of the input terminal electrical connection battery of control switch group.

As a kind of optimal technical scheme of the utility model, the anti-scraping buffer unit includes mounting groove, the bottom The front side of plate is equipped with mounting groove, and the slot bottom two sides of mounting groove are symmetrically arranged with the first spring, and the top of the first spring is flat with buffering The bottom surface of plate is fixedly connected, and the top and bottom sidewall of the mounting groove is uniformly provided with second spring, the top of second spring with buffering The two sides up and down of plate are fixedly connected, and the left and right sidewall of the mounting groove is uniformly provided with third spring, and the top of third spring is equal It is fixedly connected at left and right sides of buffering flat plates, anticollision strip is uniformly provided on front side of buffering flat plates.

As a kind of optimal technical scheme of the utility model, the protective device at top includes L-shaped installing plate, described to stretch It is fixedly connected at the top of the telescopic end of contracting column with the both ends bottom surface of L-shaped installing plate, the equally distributed threaded hole in L-shaped installing plate side is logical It crosses antirust bolt to be threadedly coupled with the threaded upper ends hole of supporting plate, the upper end of supporting plate is equipped with protective cover.

As a kind of optimal technical scheme of the utility model, the fixed structure includes mounting plate, the bottom plate it is upper End rear side is equipped with mounting plate, is equipped with fixing bolt in equally distributed threaded hole on rear side of mounting plate upper end.

As a kind of optimal technical scheme of the utility model, the side guards include U-shaped frame, the U-shaped frame Bottom end mounting surface upper screwed hole and the threaded upper ends hole of mounting plate pass through bolt thread and connect, the two sides vertical bar of U-shaped frame and branch The both ends of column are fixedly connected, and the upper end of pillar slidably connects two groups of symmetrical sliding sleeves, the surface of sliding sleeve and protective net Lower end two sides are fixedly connected, and the upper end of U-shaped frame slidably connects the symmetrical slip ring in two sides, the surface of slip ring and protective net Upper end two sides are fixedly connected.

As a kind of optimal technical scheme of the utility model, the right side of the bottom plate is equipped with heads-up display, bottom plate Warning strip, the output end of the input terminal electrical connection control switch group of heads-up display are equipped at forward edge.

As a kind of optimal technical scheme of the utility model, the protective cover is the protection of high-strength corrosion-resisting aluminium alloy Lid, protective cover are that upper surface is uniformly provided with diversion trench.

As a kind of optimal technical scheme of the utility model, the length and width of the buffering flat plates is respectively less than mounting groove Notch it is long and wide, and the height of buffering flat plates is greater than the slot inner height of mounting groove.

As a kind of optimal technical scheme of the utility model, the anticollision strip is solid rubber anticollision strip, anticollision strip Length is consistent with the length of buffering flat plates.

As a kind of optimal technical scheme of the utility model, the upper end two sides of the bottom plate are equipped with warning lamp, warning lamp For acousto-optic flashing warning light, the output end of the input terminal electrical connection control switch group of warning lamp.

Compared with prior art, the utility model has the beneficial effects that

1, this rural highway road-maintaining truck protective device, encounter collide with when, in the first spring, second spring and third Under the action of spring, elastic buffer support of the buffering flat plates in mounting groove is realized, and anticollision bullet in side is realized by anticollision strip Property Auxiliary support, the Elastic Contact that buffering cotton plate has also functioned well as bottom plate and car body surface connects, while also avoiding outside Sharp weapon collide with to car body and branch scrapes.

2, this rural highway road-maintaining truck protective device, protective cover provide for maintenance car body and naturally block protection, avoid The occurrence of long-term exposing to the weather and weeds fallen leaves accumulation are to car-body corrosion, protective cover itself is high-strength corrosion-resisting aluminium alloy Material, high-intensitive and have anti-corrosion, under rainy day environment, the equally distributed diversion trench in top also functions well as water conservancy diversion rainwater Effect, avoid rainwater accumulation corrosion car body.

This rural highway road-maintaining truck protective device, U-shaped frame and top protective net play the role of side shield, in turn It prevents equipment to be scattered, while being also prevented from personnel and slip and falling down, it is alert to care the car and top maintenance of equipment provides omnibearing protection Show the setting of item, warning lamp and heads-up display, provides early warning for vehicular traffic.

3, this rural highway road-maintaining truck protective device, structure is simple, and installing and dismounting is easy to maintain, turn fixing bolt With the threaded connection of car body connecting portion position threaded hole, the quick firm installation of realization device, turn bolt realizes the two sides of bottom plate The threaded connection of middle part mounting base upper screwed hole and installation six groups of equally distributed threaded holes of panel surface, is realized by antirust bolt The threaded connection in the threaded upper ends hole of the equally distributed threaded hole in L-shaped installing plate side and supporting plate realizes U-shaped frame by bolt The threaded connection in the threaded upper ends hole of bottom end mounting surface upper screwed hole and mounting plate is realized and is dismantled to the Fast Installation of each device Be bonded, convenient for the maintenance in later period.

Detailed description of the invention

Fig. 1 is the utility model structure front schematic view；

Fig. 2 is the anti-scraping buffer unit internal sectional schematic diagram of the utility model structure；

Fig. 3 is the utility model structure side guards internal sectional schematic diagram.

In figure: 1 bottom plate, 2 anti-scraping buffer units, 21 mounting grooves, 22 first springs, 23 buffering flat plates, 24 second springs, 25 third springs, 26 anticollision strips, 3 mounting discs, 4 curved bars, 5 buffering cotton plates, 6 telescopic masts, 7 protective device at top, the installation of 71 L shapes Plate, 72 antirust bolts, 73 supporting plates, 74 protective covers, 8 fixed structures, 81 mounting plates, 82 fixing bolts, 9 side guards, 91 U-shaped frame, 92 pillars, 93 slip rings, 94 sliding sleeves, 95 protective nets, 10 heads-up displays, 11 warning lamps, 12 warning strips, 13 electronic boxs, 14 Battery, 15 control switch groups, 16 diversion trenches.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of rural highway road-maintaining truck protection dress It sets, including bottom plate 1, bottom plate 1 provides support for top device and places the effect in place, and the front side of bottom plate 1 is equipped with anti-scraping slow Flushing device 2, anti-scraping buffer unit 2 include mounting groove 21, and mounting groove 21 provides for interior arrangement places place, before bottom plate 1 Side is equipped with mounting groove 21, and the slot bottom two sides of mounting groove 21 are symmetrically arranged with the first spring 22, the top of the first spring 22 with buffering The bottom surface of plate 23 is fixedly connected, and the top and bottom sidewall of mounting groove 21 is uniformly provided with second spring 24, and the top of second spring 24 is equal Be fixedly connected with the two sides up and down of buffering flat plates 23, the length and width of buffering flat plates 23 be respectively less than mounting groove 21 notch it is long and Width, and the height of buffering flat plates 23 is greater than the slot inner height of mounting groove 21, the left and right sidewall of mounting groove 21 is uniformly provided with third bullet Spring 25, the top of third spring 25 are fixedly connected with the left and right sides of buffering flat plates 23, encounter collide with when, in the first spring 22, under the action of second spring 24 and third spring 25, elastic buffer support of the buffering flat plates 23 in mounting groove 21 is realized, and Side anticollision elasticity Auxiliary support is realized by anticollision strip 26, and the front side of buffering flat plates 23 is uniformly provided with anticollision strip 26, is encountering When colliding with, under the action of the first spring 22, second spring 24 and third spring 25, realize buffering flat plates 23 in mounting groove 21 Elastic buffer support, and by anticollision strip 26 realize side anticollision elasticity Auxiliary support, anticollision strip 26 be solid rubber anticollision The length of item, anticollision strip 26 is consistent with the length of buffering flat plates 23, and two middle side part mounting base upper screwed holes of bottom plate 1 pass through bolt It being threadedly coupled with the equally distributed threaded hole in six groups of 3 surface of mounting disc, the side of mounting disc 3 is fixedly connected with the bottom end of curved bar 4, The top of curved bar 4 is equipped with telescopic mast 6, and 6 top knob of turn telescopic mast adjusts its telescopic level, and then regulates and controls protective cover 74 most The telescopic end top of good height, telescopic mast 6 is fixedly connected with the both ends bottom surface of L-shaped installing plate 71 in protective device at top 7, top Protective device 7 includes L-shaped installing plate 71, is fixedly connected at the top of the telescopic end of telescopic mast 6 with the both ends bottom surface of L-shaped installing plate 71, L The equally distributed threaded hole in 71 side of shape mounting plate is threadedly coupled by antirust bolt 72 with the threaded upper ends hole of supporting plate 73, supporting plate 73 upper end is equipped with protective cover 74, realizes the equally distributed threaded hole in 71 side of L-shaped installing plate and supporting plate by antirust bolt 72 The threaded connection in 73 threaded upper ends hole, and then realize the installation or removal of protective cover 74, protective cover 74 provides for maintenance car body Protection naturally is blocked, avoids the occurrence of long-term exposing to the weather and the accumulation of weeds fallen leaves to car-body corrosion, protective cover 74 is height Strength corrosion resistant aluminium alloy protective cover, protective cover 74 are that upper surface is uniformly provided with diversion trench 16, and under rainy day environment, top is uniform The diversion trench 16 of distribution also good water conservancy diversion rainwater avoids rainwater accumulation corrosion car body, is equipped with fixed knot on rear side of the upper end of bottom plate 1 Structure 8, fixed structure 8 include mounting plate 81, and mounting plate 81 is equipped on rear side of the upper end of bottom plate 1, is uniformly divided on rear side of 81 upper end of mounting plate Fixing bolt 82 is equipped in the threaded hole of cloth, the threaded connection of turn fixing bolt 82 and car body connecting portion position threaded hole is realized The quick of bottom plate 1 consolidates installation, and the front side of mounting plate 81 is equipped with side guards 9, side guards 9 in fixed structure 8 Including U-shaped frame 91, U-shaped frame 91 provides place, the bottom end mounting surface upper screwed hole and mounting plate of U-shaped frame 91 for the suspension of anti-skid mesh 81 threaded upper ends hole is connected by bolt thread, and the two sides vertical bar of U-shaped frame 91 is fixedly connected with the both ends of pillar 92, pillar 92 Sliding support platform is provided for sliding sleeve 94, the upper end of pillar 92 slidably connects two groups of symmetrical sliding sleeves 94, and sliding sleeve 94 is real The slidable adjustment of existing 95 bottom end of protective net, the surface of sliding sleeve 94 are fixedly connected with the lower end two sides of protective net 95, U-shaped frame 91 it is upper End slidably connects the symmetrical slip ring 93 in two sides, and the surface of slip ring 93 is fixedly connected with the upper end two sides of protective net 95, sliding Ring 93 realizes the slidable adjustment of 95 upper end of protective net, and the rear side of bottom plate 1 is equipped with buffering cotton plate 5, and buffering cotton plate 5 also functions well as Bottom plate 1 is connect with the Elastic Contact of car body surface, and the right side of bottom plate 1 is equipped with heads-up display 10, heads-up display 10 picture and text Show points for attention, the upper end two sides of bottom plate 1 are equipped with warning lamp 11,10 text exhibition points for attention of heads-up display, warning lamp 11 be acousto-optic flashing warning light, is equipped with warning strip 12 at the forward edge of bottom plate 1, the long-range reflective early warning of warning strip 12, bottom plate 1 Upper center is equipped with electronic box 13, and electronic box 13 is that battery 14 provides storage place, is equipped with battery 14, electric power storage in the case of electronic box 13 Pond 14 guarantees electric power of equipment supply, and the upper end of electronic box 13 is equipped with control switch group 15, and control switch group 15 is controlling each equipment just Often operating, the output end of the input terminal electrical connection battery 14 of control switch group 15, heads-up display 10 and warning lamp 11 it is defeated Enter end be electrically connected control switch group 15 output end, control switch group 15 be equipped with respectively with heads-up display 10 and warning lamp 11 corresponding control buttons.

When in use: the quick of bottom plate 1 is realized in the threaded connection of turn fixing bolt 82 and car body connecting portion position threaded hole Firm installation, turn bolt realize that two middle side part mounting base upper screwed holes of bottom plate 1 are uniformly distributed for six groups with 3 surface of mounting disc Threaded hole threaded connection, pass through antirust bolt 72 and realize the equally distributed threaded hole in 71 side of L-shaped installing plate and supporting plate 73 Threaded upper ends hole threaded connection, the upper of the bottom end mounting surface upper screwed hole of U-shaped frame 91 and mounting plate 81 is realized by bolt Hold the threaded connection of threaded hole, 6 top knob of turn telescopic mast adjusts its telescopic level, and then it is best high to regulate and control protective cover 74 Degree, encounter collide with when, under the action of the first spring 22, second spring 24 and third spring 25, realize buffering flat plates 23 exist Elastic buffer support in mounting groove 21, and anticollision elasticity Auxiliary support in side is realized by anticollision strip 26, buffer cotton plate 5 also very Bottom plate 1 is played well to connect with the Elastic Contact of car body surface, while also avoiding that external sharp weapon collide with to car body and branch is scraped It wipes, protective cover 74 provides for maintenance car body and naturally blocks protection, and long-term exposing to the weather and weeds is avoided to fall leaves accumulation to car body corruption The occurrence of erosion, under rainy day environment, the equally distributed diversion trench 16 in top also functions well as the effect of water conservancy diversion rainwater, keeps away Exempt from rainwater accumulation corrosion car body, U-shaped frame 91 and top protective net 95 play the role of side shield, and then equipment is prevented to be scattered, It is also prevented from personnel simultaneously and slips and fall down, to care the car and top maintenance of equipment provides omnibearing protection, pass through control switch group 15 regulation, 11 acousto-optic warning of warning lamp, 10 text exhibition points for attention of heads-up display, the long-range reflective early warning of warning strip 12, Early warning is provided for vehicular traffic, and then to care the car and top maintenance of equipment provides omnibearing protection.

The utility model realizes buffering flat plates 23 under the action of the first spring 22, second spring 24 and third spring 25 Elastic buffer support in mounting groove 21, and anticollision elasticity Auxiliary support in side is realized by anticollision strip 26, buffer cotton plate 5 It has functioned well as bottom plate 1 to connect with the Elastic Contact of car body surface, while external sharp weapon also being avoided to collide with to car body and branch It scrapes, protective cover 74 provides for maintenance car body and naturally blocks protection, and long-term exposing to the weather and weeds is avoided to fall leaves accumulation to car body The generation of corrosion condition, under rainy day environment, the equally distributed diversion trench 16 in top also functions well as the effect of water conservancy diversion rainwater, Rainwater accumulation corrosion car body is avoided, U-shaped frame 91 and top protective net 95 play the role of side shield, and then prevent equipment from dissipating It falls, while being also prevented from personnel and slip and falling down, it is warning strip 12, alert to care the car and top maintenance of equipment provides omnibearing protection Show the setting of lamp 11 and heads-up display 10, provides early warning, turn fixing bolt 82 and car body connecting portion position spiral shell for vehicular traffic The threaded connection of pit, the quick firm installation of realization device, turn bolt realize spiral shell in two middle side part mounting bases of bottom plate 1 The threaded connection of pit and the 3 six groups of equally distributed threaded holes in surface of mounting disc realizes L-shaped installing plate 71 by antirust bolt 72 The threaded connection in the threaded upper ends hole of the equally distributed threaded hole in side and supporting plate 73, the bottom end of U-shaped frame 91 is realized by bolt The threaded connection in the threaded upper ends hole of mounting surface upper screwed hole and mounting plate 81, realize Fast Installation disassembly to each device with It is bonded, convenient for the maintenance in later period.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (10)

1. a kind of rural highway road-maintaining truck protective device, including bottom plate (1), it is characterised in that: the front side of the bottom plate (1) Equipped with anti-scraping buffer unit (2), two middle side part mounting base upper screwed holes of bottom plate (1) pass through bolt and mounting disc (3) surface Six groups of equally distributed threaded holes are threadedly coupled, and the side of mounting disc (3) is fixedly connected with the bottom end of curved bar (4), curved bar (4) Top is equipped with telescopic mast (6), the both ends at the telescopic end top and L-shaped installing plate (71) in protective device at top (7) of telescopic mast (6) Bottom surface is fixedly connected, and is equipped with fixed structure (8) on rear side of the upper end of bottom plate (1), is set on front side of mounting plate (81) in fixed structure (8) Having side guards (9), the rear side of bottom plate (1) is equipped with buffering cotton plate (5), and the upper center of bottom plate (1) is equipped with electronic box (13), Battery (14) are equipped in the case of electronic box (13), the upper end of electronic box (13) is equipped with control switch group (15), control switch group (15) Input terminal electrical connection battery (14) output end.

2. a kind of rural highway road-maintaining truck protective device according to claim 1, it is characterised in that: described anti-scraping Buffer unit (2) includes mounting groove (21), and the front side of the bottom plate (1) is equipped with mounting groove (21), the slot bottom two of mounting groove (21) Side is symmetrically arranged with the first spring (22), and the top of the first spring (22) is fixedly connected with the bottom surface of buffering flat plates (23), described The top and bottom sidewall of mounting groove (21) is uniformly provided with second spring (24), the top of second spring (24) with buffering flat plates (23) Upper and lower two sides are fixedly connected, and the left and right sidewall of the mounting groove (21) is uniformly provided with third spring (25), third spring (25) Top is fixedly connected at left and right sides of buffering flat plates (23), and anticollision strip (26) are uniformly provided on front side of buffering flat plates (23).

3. a kind of rural highway road-maintaining truck protective device according to claim 1, it is characterised in that: the top is anti- Protection unit (7) includes L-shaped installing plate (71), at the top of the telescopic end of the telescopic mast (6) and the both ends bottom surface of L-shaped installing plate (71) It is fixedly connected, the equally distributed threaded hole in L-shaped installing plate (71) side passes through the upper end spiral shell of antirust bolt (72) and supporting plate (73) Pit is threadedly coupled, and the upper end of supporting plate (73) is equipped with protective cover (74).

4. a kind of rural highway road-maintaining truck protective device according to claim 1, it is characterised in that: the fixed knot Structure (8) includes mounting plate (81), is equipped with mounting plate (81) on rear side of the upper end of the bottom plate (1), on rear side of mounting plate (81) upper end Fixing bolt (82) are equipped in the threaded hole of even distribution.

5. a kind of rural highway road-maintaining truck protective device according to claim 1, it is characterised in that: the side is anti- Protection unit (9) includes U-shaped frame (91), the bottom end mounting surface upper screwed hole of the U-shaped frame (91) and the upper end spiral shell of mounting plate (81) Pit is connected by bolt thread, and the two sides vertical bar of U-shaped frame (91) is fixedly connected with the both ends of pillar (92), pillar (92) it is upper End slidably connects two groups of symmetrical sliding sleeves (94), the fixed company in the surface of sliding sleeve (94) and the lower end two sides of protective net (95) It connects, the upper end of U-shaped frame (91) slidably connects the symmetrical slip ring in two sides (93), the surface and protective net (95) of slip ring (93) Upper end two sides be fixedly connected.

6. a kind of rural highway road-maintaining truck protective device according to claim 1, it is characterised in that: the bottom plate (1) right side is equipped with heads-up display (10), is equipped with warning strip (12) at the forward edge of bottom plate (1), heads-up display (10) Input terminal electrical connection control switch group (15) output end.

7. a kind of rural highway road-maintaining truck protective device according to claim 3, it is characterised in that: the protective cover It (74) is high-strength corrosion-resisting aluminium alloy protective cover, protective cover (74) is that upper surface is uniformly provided with diversion trench (16).

8. a kind of rural highway road-maintaining truck protective device according to claim 2, it is characterised in that: the buffering is flat The notch that the length and width of plate (23) is respectively less than mounting groove (21) is long and wide, and the height of buffering flat plates (23) is greater than mounting groove (21) slot inner height.

9. a kind of rural highway road-maintaining truck protective device according to claim 2, it is characterised in that: the anticollision strip It (26) is solid rubber anticollision strip, the length of anticollision strip (26) is consistent with the length of buffering flat plates (23).

10. a kind of rural highway road-maintaining truck protective device according to claim 1, it is characterised in that: the bottom plate (1) upper end two sides are equipped with warning lamp (11), and warning lamp (11) is acousto-optic flashing warning light, and the input terminal of warning lamp (11) is electrically connected Connect the output end of control switch group (15).