CN112591546A

CN112591546A - Cable straightening equipment for municipal engineering

Info

Publication number: CN112591546A
Application number: CN202011490015.2A
Authority: CN
Inventors: 耿建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-04-02

Abstract

The invention discloses cable straightening equipment for municipal engineering, and particularly relates to the technical field of municipal engineering. According to the invention, the fan, the heating box, the air outlet and the electric heating wire are arranged, when the cable straightening machine is used, after being cleaned, the electric heating wire is electrified and the fan is started, the fan can blow air into the heating box, the electric heating wire can heat the air, and finally the air is discharged through the air outlet, so that the cleaned cable can be dried and softened, the softened cable can be easily straightened through the top end of the first straightening roller, the bottom end of the second straightening roller and the top end of the wire outlet roller in sequence, and the cable straightening effect is greatly improved.

Description

Cable straightening equipment for municipal engineering

Technical Field

The invention relates to the technical field of municipal engineering, in particular to cable straightening equipment for municipal engineering.

Background

The cable used in the municipal engineering construction process is usually in a winding state before being used, and the cable is in the winding state for a long time, so that the cable needs to be straightened in order to save the cable when being used, and therefore the cable straightening equipment for the municipal engineering is also needed in the municipal engineering construction process, but the existing cable straightening equipment for the municipal engineering has many problems and defects.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved:

(1) the traditional cable straightening equipment for municipal engineering cannot clean the cable in the straightening process, and has insufficient functionality;

(2) when the traditional cable straightening equipment for municipal engineering is cleaned, more water resources are used, and resources are wasted;

(3) the traditional cable straightening equipment for municipal engineering is easy to deviate in the straightening process, so that the normal work of the equipment is influenced;

(4) the traditional cable straightening equipment for municipal engineering cannot soften and dry the cable, so that the cable straightening effect is poor;

(5) traditional cable straightening equipment for municipal works is inconvenient to install fixed, and the suitability is relatively poor to different width unwrapping wire rollers.

Disclosure of Invention

The invention aims to provide cable straightening equipment for municipal engineering, which aims to solve the problems that the cable cannot be cleaned in the straightening process and the functionality is insufficient in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a cable straightening device for municipal engineering comprises a base, a bottom plate, a paying-off roller and a top plate, wherein the bottom plate is fixedly connected to the top end of the base, two sides and two ends of the top of the bottom plate are respectively and fixedly connected with a supporting rod, the top plate is fixedly connected to the top end of the supporting rod, one side of the supporting rod is fixedly connected with a fixing plate, the front end of the fixing plate is fixedly connected with a driving motor, the paying-off roller is arranged between the fixing plates, two sides of the paying-off roller are provided with a convenient fixing structure, one side between the bottom plate and the top plate is provided with a limiting and guiding structure, the middle position of the bottom end of the top plate is provided with a softening and drying mechanism, the front end and the rear end of the other side between the bottom plate and the top plate are fixedly connected with first fixing rods, a first straightening roller, the second fixing rod is fixedly connected between the bottom plate and the top plate, a second straightening roller is movably connected between the second fixing rods at a position close to the bottom end, a cross rod is fixedly connected at a position close to the top end of the other side of the supporting rod, a wire outlet roller is movably connected between the cross rods, a water tank is fixedly connected to one side of the top end of the bottom plate, a water saving structure is arranged at the top end of the water tank, and a cleaning mechanism is arranged at one side of the bottom end of the top plate;

the cleaning mechanism comprises a water pump, the water pump is fixedly connected to the front end of the water tank, the input end of the water pump is communicated with the bottom end inside the water tank, the output end of the water pump is fixedly connected with a water pipe, one side of the bottom end of the top plate is fixedly connected with a water distribution cavity, and the bottom end of the water distribution cavity is fixedly connected with a water spray nozzle.

Preferably, the output end of the water pipe is communicated with the inside of the water distribution cavity, twelve groups of water spray nozzles are arranged, and the water spray nozzles are arranged at the bottom end of the water distribution cavity at equal intervals.

Preferably, the water-saving structure comprises water catch bowl, filter screen, draw-in groove and fixture block, water catch bowl fixed connection is on the top of water tank, the inside both sides difference fixedly connected with draw-in groove of water catch bowl, the inside of water catch bowl is provided with the filter screen, the both sides difference fixedly connected with fixture block of filter screen.

Preferably, the outer diameter of the clamping block is smaller than the inner diameter of the clamping groove, and a clamping structure is formed between the clamping groove and the clamping block.

Preferably, spacing guide structure comprises montant, first loose axle, second loose axle, spacing guide roll and protection pad, the montant is the both ends of one side between bottom plate and roof respectively fixed connection, first loose axle swing joint is close to the position department on top between the montant, the bottom of first loose axle is provided with the second loose axle, second loose axle and montant swing joint, the outside difference fixedly connected with spacing guide roll of first loose axle and second loose axle intermediate position department, the inside of spacing guide roll is provided with the protection pad.

Preferably, a semicircular groove is formed in the inner part of the outer end of the limiting guide roller.

Preferably, soften stoving mechanism and constitute by fan, heating cabinet, air outlet and heating wire, fan fixed connection is in the intermediate position department on roof top, heating cabinet fixed connection is in the intermediate position department of roof bottom, the inside fixedly connected with heating wire of heating cabinet, the inside of heating cabinet bottom is provided with the multiunit air outlet.

Preferably, the output end of the fan penetrates through the top plate and is communicated with the inside of the heating box, and a dust filtering net is arranged inside the input end of the fan.

Preferably, the fixed knot of being convenient for constructs by pivot, rotary drum, connecting plate, bolt, square groove, square piece and connecting axle and constitutes, pivot swing joint is at the rear end of front end bracing piece between bottom plate and roof, rotary drum swing joint is at the front end of rear end bracing piece between bottom plate and roof, the inside of rotary drum is provided with square groove, the inside of square groove is provided with square piece, the front end fixedly connected with connecting axle of square piece, the front end of connecting axle and the rear end of pivot fixedly connected with connecting plate respectively, be provided with the bolt between connecting plate and the unwrapping wire roller.

Preferably, the square block penetrates through the inside of the square groove, and the square groove and the square block are in sliding connection.

Compared with the prior art, the invention has the beneficial effects that: the cable straightening equipment for municipal engineering not only can clean cables in the straightening process, has strong functionality, realizes water resource recycling in the cleaning process, saves resources, realizes that the cables are not easy to deviate in the straightening process, ensures the normal work of the equipment, realizes the softening and drying treatment of the cables, improves the straightening effect of the cables, but also realizes the convenience in mounting and fixing pay-off rollers with different widths, and has strong applicability;

(1) the cleaning mechanism is arranged and comprises a water pump, the water pump is fixedly connected to the front end of the water tank, the input end of the water pump is communicated with the bottom end inside the water tank, the output end of the water pump is fixedly connected with a water pipe, one side of the bottom end of the top plate is fixedly connected with a water distribution cavity, and the bottom end of the water distribution cavity is fixedly connected with a water spray nozzle;

(2) by arranging the water collecting tank, the filter screen, the clamping groove and the clamping block, when the cable cleaning device is used, sewage generated by cleaning a cable falls into the water collecting tank, the filter screen can filter the sewage at the moment, and then clear water flows into the water tank again for cleaning the cable, so that the cyclic utilization of water resources is realized, and the water resources are saved;

(3) by arranging the vertical rod, the first movable shaft, the second movable shaft, the limiting guide rollers and the protection pad, when the cable straightening machine is used, a cable passes through the semicircular groove between the limiting guide rollers, and in the cable straightening process, the annular shape formed by the semicircular groove can play a role in guiding and limiting the cable, so that the cable is prevented from deviating in the cable straightening process, and the normal operation of cable straightening operation is ensured;

(4) by arranging the fan, the heating box, the air outlet and the heating wires, when the cable straightening machine is used, after being cleaned, the cable is electrified and the fan is started, the fan can blow air into the heating box, the heating wires can heat the air, and finally the air is discharged through the air outlet, so that the cleaned cable can be dried and softened, the softened cable can be easily straightened by sequentially passing through the top end of the first straightening roller, the bottom end of the second straightening roller and the top end of the wire outlet roller, and the straightening effect of the cable is greatly improved;

(5) through being provided with pivot, rotary drum, connecting plate, bolt, square groove, square piece and connecting axle, when using, pass through the bolt fastening with the unwrapping wire roller on the connecting plate, just so can install the unwrapping wire roller fixedly, square piece slides at square inslot portion simultaneously and makes the connecting axle have the elasticity, can adjust the interval between the connecting plate like this to can install fixedly the unwrapping wire roller of different width, improve the suitability of this equipment.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the position-limiting guide structure of the present invention;

FIG. 3 is an enlarged structural view of a partial cross section of the water-saving structure of the present invention;

FIG. 4 is an enlarged side view partially in section of the fixing structure of the present invention;

FIG. 5 is a schematic view of the heating chamber of the present invention in an enlarged bottom view;

fig. 6 is a schematic view of the water-dividing chamber of the present invention in a bottom view.

In the figure: 1. a base; 2. a base plate; 3. a first fixing lever; 4. a water tank; 5. a water pump; 6. a water-saving structure; 601. a water collection tank; 602. a filter screen; 603. a card slot; 604. a clamping block; 7. a fixing plate; 8. a drive motor; 9. a pay-off roller; 10. a support bar; 11. a top plate; 12. a limiting guide structure; 1201. a vertical rod; 1202. a first movable shaft; 1203. a second movable shaft; 1204. limiting a guide roller; 1205. a protection pad; 13. a water pipe; 14. a water diversion cavity; 15. a softening and drying mechanism; 1501. a fan; 1502. a heating box; 1503. an air outlet; 1504. an electric heating wire; 16. a first straightening roll; 17. a second fixing bar; 18. a wire outlet roller; 19. a cross bar; 20. a second straightening roller; 21. the structure is convenient to fix; 2101. a rotating shaft; 2102. a rotating drum; 2103. a connecting plate; 2104. a bolt; 2105. a square groove; 2106. a square block; 2107. a connecting shaft; 22. a water spray nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-6, a cable straightening device for municipal engineering comprises a base 1, a bottom plate 2, a paying-off roller 9 and a top plate 11, wherein the bottom plate 2 is fixedly connected to the top end of the base 1, two sides and two ends of the top of the bottom plate 2 are respectively and fixedly connected with a support rod 10, the top plate 11 is fixedly connected to the top end of the support rod 10, one side of the support rod 10 is fixedly connected with a fixing plate 7, the front end of the fixing plate 7 is fixedly connected with a driving motor 8, the model of the driving motor 8 can be Y90L-4, the paying-off roller 9 is arranged between the fixing plates 7, two sides of the paying-off roller 9 are provided with convenient fixing structures 21, one side between the bottom plate 2 and the top plate 11 is provided with a limiting and guiding structure 12, the middle position of the bottom end of the top plate 11 is provided with a softening and drying mechanism 15, the front and rear ends of the other side between the, a second fixing rod 17 is arranged on one side of the first fixing rod 3, the second fixing rod 17 is fixedly connected between the bottom plate 2 and the top plate 11, a second straightening roller 20 is movably connected between the second fixing rods 17 at a position close to the bottom end, a cross rod 19 is fixedly connected at a position close to the top end on the other side of the supporting rod 10, a wire outlet roller 18 is movably connected between the cross rods 19, a water tank 4 is fixedly connected to one side of the top end of the bottom plate 2, a water saving structure 6 is arranged at the top end of the water tank 4, and a cleaning mechanism is arranged on one side of the;

referring to fig. 1-6, the cable straightening device for municipal engineering further comprises a cleaning mechanism, the cleaning mechanism comprises a water pump 5, the water pump 5 is fixedly connected to the front end of the water tank 4, the type of the water pump 5 can be IRG, the input end of the water pump 5 is communicated with the bottom end inside the water tank 4, the output end of the water pump 5 is fixedly connected with a water pipe 13, one side of the bottom end of the top plate 11 is fixedly connected with a water distribution cavity 14, and the bottom end of the water distribution cavity 14 is fixedly connected with a water spray nozzle 22;

the output end of the water pipe 13 is communicated with the interior of the water distribution cavity 14, twelve groups of water spray nozzles 22 are arranged, and the water spray nozzles 22 are arranged at the bottom end of the water distribution cavity 14 at equal intervals;

specifically, as shown in fig. 1 and 6, when the cable cleaning device is used, the water pump 5 is started, the water pump 5 pumps out water inside the water tank 4, the water is conveyed to the inside of the water diversion cavity 14 through the water pipe 13, and the water is finally sprayed out through the water spray nozzle 22, so that the cable passing through the bottom of the water diversion cavity 14 is washed, the surface of the cable is cleaned, and the cable is conveniently used.

Example 2: the water saving structure 6 consists of a water collecting tank 601, a filter screen 602, a clamping groove 603 and a clamping block 604, wherein the water collecting tank 601 is fixedly connected to the top end of the water tank 4, the clamping groove 603 is fixedly connected to two sides inside the water collecting tank 601 respectively, the filter screen 602 is arranged inside the water collecting tank 601, and the clamping block 604 is fixedly connected to two sides of the filter screen 602 respectively;

the outer diameter of the clamping block 604 is smaller than the inner diameter of the clamping groove 603, and a clamping structure is formed between the clamping groove 603 and the clamping block 604;

specifically, as shown in fig. 1 and 3, when the cable cleaner is used, sewage generated by cleaning the cable falls into the water collecting tank 601, the filter screen 602 filters the sewage at the moment, and then the clean water flows into the water tank 4 again for cleaning the cable, so that the water resource is recycled and saved.

Example 3: the limiting guide structure 12 comprises vertical bars 1201, first movable shafts 1202, second movable shafts 1203, limiting guide rollers 1204 and protection pads 1205, the vertical bars 1201 are respectively and fixedly connected to two ends of one side between the bottom plate 2 and the top plate 11, the first movable shafts 1202 are movably connected to positions, close to the top ends, between the vertical bars 1201, the second movable shafts 1203 are arranged at the bottom ends of the first movable shafts 1202, the second movable shafts 1203 are movably connected with the vertical bars 1201, the limiting guide rollers 1204 are respectively and fixedly connected to the outer portions of the middle positions of the first movable shafts 1202 and the second movable shafts 1203, and the protection pads 1205 are arranged inside the limiting guide rollers 1204;

a semicircular groove is formed in the inner part of the outer end of the limiting guide roller 1204;

specifically, as shown in fig. 1 and 2, when the cable straightening machine is used, a cable passes through the semicircular groove between the limiting guide rollers 1204, and in the cable straightening process, the semicircular groove forms a ring shape which can play a role in guiding and limiting the cable, so that the cable is prevented from deviating in the cable straightening process, and the normal operation of the cable straightening operation is ensured.

Example 4: the softening and drying mechanism 15 comprises a fan 1501, a heating box 1502, air outlets 1503 and heating wires 1504, wherein the fan 1501 is fixedly connected to the middle position of the top end of the top plate 11, the model of the fan 1501 can be WM7060-24V, the heating box 1502 is fixedly connected to the middle position of the bottom end of the top plate 11, the heating wires 1504 are fixedly connected inside the heating box 1502, and a plurality of groups of air outlets 1503 are arranged inside the bottom end of the heating box 1502;

the output end of the fan 1501 penetrates through the top plate 11 and is communicated with the inside of the heating box 1502, and a dust filter screen is arranged inside the input end of the fan 1501;

specifically, as shown in fig. 1 and 5, when the cable is used, after the cable is cleaned, the heating wire 1504 is powered on, the fan 1501 is started, the fan 1501 blows air into the heating box 1502, the heating wire 1504 can heat the air, and the air is finally discharged through the air outlet 1503, so that the cleaned cable can be dried and softened, the softened cable can be easily straightened by sequentially passing through the top end of the first straightening roller 16, the bottom end of the second straightening roller 20 and the top end of the wire outlet roller 18, and the straightening effect of the cable is greatly improved.

Example 5: the fixing structure 21 consists of a rotating shaft 2101, a rotating drum 2102, a connecting plate 2103, a bolt 2104, a square groove 2105, a square block 2106 and a connecting shaft 2107, the rotating shaft 2101 is movably connected at the rear end of a front end supporting rod 10 between a bottom plate 2 and a top plate 11, the rotating drum 2102 is movably connected at the front end of the rear end supporting rod 10 between the bottom plate 2 and the top plate 11, the square groove 2105 is arranged inside the rotating drum 2102, the square block 2106 is arranged inside the square groove 2105, the connecting shaft 2107 is fixedly connected at the front end of the square block 2106, the connecting plate 2103 is respectively and fixedly connected at the front end of the connecting shaft 2107 and the rear end of the rotating shaft 2101, and the bolt is arranged between the;

the square block 2106 penetrates through the square groove 2105, and the square groove 2105 and the square block 2106 are in sliding connection;

specifically, as shown in fig. 1 and 4, when the pay-off device is used, the pay-off roller 9 is fixed on the connecting plate 2103 through the bolt 2104, so that the pay-off roller 9 can be installed and fixed, meanwhile, the square block 2106 slides in the square groove 2105 to enable the connecting shaft 2107 to have elasticity, so that the distance between the connecting plates 2103 can be adjusted, the pay-off rollers 9 with different widths can be installed and fixed, and the applicability of the device is improved.

The working principle is as follows: when the cable straightening device is used, firstly, a cable penetrates through the semicircular groove between the limiting guide rollers 1204, and in the cable straightening process, the annular shape formed by the semicircular groove can play a role in guiding and limiting the cable, so that the cable is prevented from deviating in the straightening process, and the normal operation of the cable straightening operation is ensured.

Afterwards, when using, start water pump 5, water pump 5 takes the inside water of water tank 4 out, then carries to the inside of dividing water cavity 14 through water pipe 13, at last spouts through water spray 22 to wash the cable through dividing the water cavity 14 bottom, clean the surface of cable, the use of the cable of being convenient for.

Then, when using, the produced sewage of washing cable can fall into the inside of catch basin 601, and filter screen 602 can filter sewage this moment, and then clear water flows into the inside of water tank 4 once more and is used for the cable washing, has just so realized the cyclic utilization of water resource, the water economy resource.

Then, when the cable straightening machine is used, after the cable is cleaned, the heating wire 1504 is electrified, the fan 1501 is started, the fan 1501 blows air into the heating box 1502, the heating wire 1504 can heat the air, and the air is finally discharged through the air outlet 1503, so that the cleaned cable can be dried and softened, the softened cable can be easily straightened by sequentially passing through the top end of the first straightening roller 16, the bottom end of the second straightening roller 20 and the top end of the wire outlet roller 18, and the straightening effect of the cable is greatly improved.

Finally, when using, pass through bolt 2104 with paying out roll 9 and fix on connecting plate 2103, just so can install pay out roll 9 fixedly, square piece 2106 makes connecting axle 2107 have the elasticity in the inside slip of square groove 2105 simultaneously, can adjust the interval between the connecting plate 2103 like this to can install fixedly the paying out roll 9 of different width, improve the suitability of this equipment.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a cable equipment of flare-outing for municipal works, includes base (1), bottom plate (2), unwrapping wire roller (9) and roof (11), its characterized in that: the improved paying-off device is characterized in that the bottom plate (2) is fixedly connected to the top end of the base (1), the two sides and the two ends of the top of the bottom plate (2) are respectively and fixedly connected with the supporting rods (10), the top plate (11) is fixedly connected to the top ends of the supporting rods (10), one side of each supporting rod (10) is fixedly connected with the fixing plate (7), the front end of each fixing plate (7) is fixedly connected with the driving motor (8), the paying-off roller (9) is arranged between the fixing plates (7), the two sides of the paying-off roller (9) are provided with convenient fixing structures (21), one side between the bottom plate (2) and the top plate (11) is provided with the limiting guide structure (12), the middle position of the bottom end of the top plate (11) is provided with the softening and drying mechanism (15), and the front and rear ends of, a first straightening roller (16) is movably connected to a position, close to the top end, between the first fixing rods (3), a second fixing rod (17) is arranged on one side of the first fixing rod (3), the second fixing rod (17) is fixedly connected between the bottom plate (2) and the top plate (11), a second straightening roller (20) is movably connected to a position, close to the bottom end, between the second fixing rods (17), a cross rod (19) is fixedly connected to a position, close to the top end, on the other side of the supporting rod (10), a wire outlet roller (18) is movably connected between the cross rods (19), a water tank (4) is fixedly connected to one side of the top end of the bottom plate (2), a water saving structure (6) is arranged at the top end of the water tank (4), and a cleaning mechanism is arranged on one side of the bottom end;

the cleaning mechanism comprises a water pump (5), the water pump (5) is fixedly connected to the front end of the water tank (4), the input end of the water pump (5) is communicated with the bottom end inside the water tank (4), the output end of the water pump (5) is fixedly connected with a water pipe (13), one side of the bottom end of the top plate (11) is fixedly connected with a water distribution cavity (14), and the bottom end of the water distribution cavity (14) is fixedly connected with a water spray nozzle (22).

2. A cable straightening device for municipal works according to claim 1, characterized in that: the output end of the water pipe (13) is communicated with the inside of the water distribution cavity (14), twelve groups of water spray nozzles (22) are arranged, and the water spray nozzles (22) are arranged at the bottom end of the water distribution cavity (14) at equal intervals.

3. A cable straightening device for municipal works according to claim 1, characterized in that: water conservation structure (6) comprises water catch bowl (601), filter screen (602), draw-in groove (603) and fixture block (604), water catch bowl (601) fixed connection is on the top of water tank (4), inside both sides difference fixedly connected with draw-in groove (603) of water catch bowl (601), the inside of water catch bowl (601) is provided with filter screen (602), the both sides difference fixedly connected with fixture block (604) of filter screen (602).

4. A cable straightening device for municipal works according to claim 3, characterized in that: the outer diameter of the clamping block (604) is smaller than the inner diameter of the clamping groove (603), and a clamping structure is formed between the clamping groove (603) and the clamping block (604).

5. A cable straightening device for municipal works according to claim 1, characterized in that: spacing guide structure (12) comprise montant (1201), first loose axle (1202), second loose axle (1203), spacing guide roll (1204) and protection pad (1205), montant (1201) is fixed connection respectively at the both ends of one side between bottom plate (2) and roof (11), first loose axle (1202) swing joint is close to the position department on top between montant (1201), the bottom of first loose axle (1202) is provided with second loose axle (1203), second loose axle (1203) and montant (1201) swing joint, the outside of first loose axle (1202) and second loose axle (1203) intermediate position department is fixed connection respectively spacing guide roll (1204), the inside of spacing guide roll (1204) is provided with protection pad (1205).

6. A cable straightening device for municipal works according to claim 5, characterized in that: and a semicircular groove is formed in the inner part of the outer end of the limiting guide roller (1204).

7. A cable straightening device for municipal works according to claim 1, characterized in that: softening stoving mechanism (15) and constitute by fan (1501), heating cabinet (1502), air outlet (1503) and heating wire (1504), fan (1501) fixed connection is in the intermediate position department on roof (11) top, heating cabinet (1502) fixed connection is in the intermediate position department of roof (11) bottom, the inside fixedly connected with heating wire (1504) of heating cabinet (1502), the inside of heating cabinet (1502) bottom is provided with multiunit air outlet (1503).

8. A cable straightening device for municipal engineering according to claim 7, characterized in that: the output end of the fan (1501) penetrates through the top plate (11) and is communicated with the inside of the heating box (1502), and a dust filtering net is arranged inside the input end of the fan (1501).

9. A cable straightening device for municipal works according to claim 1, characterized in that: the convenient fixing structure (21) consists of a rotating shaft (2101), a rotating cylinder (2102), a connecting plate (2103), a bolt (2104), a square groove (2105), a square block (2106) and a connecting shaft (2107), the rotating shaft (2101) is movably connected at the rear end of a front end supporting rod (10) between the bottom plate (2) and the top plate (11), the rotary drum (2102) is movably connected with the front end of a rear end support rod (10) between the bottom plate (2) and the top plate (11), a square groove (2105) is arranged inside the rotary drum (2102), a square block (2106) is arranged inside the square groove (2105), the front end of the square block (2106) is fixedly connected with a connecting shaft (2107), the front end of the connecting shaft (2107) and the rear end of the rotating shaft (2101) are respectively fixedly connected with a connecting plate (2103), and a bolt (2104) is arranged between the connecting plate (2103) and the pay-off roller (9).

10. A method of straightening cables for civil engineering works according to claim 9, characterised in that: firstly, the cable passes through the semicircular groove between the limiting guide rollers 1204, and in the process of straightening the cable, the ring formed by the semicircular groove can play a role in guiding and limiting the cable, so that the cable is prevented from deviating in the process of straightening, and the normal operation of the cable straightening operation is ensured; then, when the cable cleaning device is used, the water pump 5 is started, the water pump 5 pumps out water in the water tank 4, the water is conveyed into the water diversion cavity 14 through the water pipe 13 and is finally sprayed out through the water spray nozzle 22, so that the cable passing through the bottom of the water diversion cavity 14 is washed, the surface of the cable is cleaned, and the cable is convenient to use; then, when the cable cleaner is used, sewage generated by cleaning the cable falls into the water collecting tank 601, the filter screen 602 filters the sewage at the moment, and then clean water flows into the water tank 4 again for cleaning the cable, so that the cyclic utilization of water resources is realized, and the water resources are saved; then, when the cable straightening machine is used, after the cable is cleaned, the heating wire 1504 is electrified, the fan 1501 is started, the fan 1501 blows air into the heating box 1502, the heating wire 1504 can heat the air, and the air is discharged through the air outlet 1503, so that the cleaned cable can be dried and softened, the softened cable can be easily straightened by sequentially passing through the top end of the first straightening roller 16, the bottom end of the second straightening roller 20 and the top end of the wire outlet roller 18, and the straightening effect of the cable is greatly improved;