CN211590757U

CN211590757U - Electric hanger rod for saw blade of mine stone cutter

Info

Publication number: CN211590757U
Application number: CN201922178764.0U
Authority: CN
Inventors: 许永旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-09-29
Anticipated expiration: 2029-12-07

Abstract

The utility model discloses an electronic jib of mine stonecutter saw bit, including the driving, erect stand on the horizontal plane and be in stand upper end top, and along the crossbeam of controlling the direction recumbent, the crossbeam passes through rotary device and is connected with the upper end rotation of stand, the stand upper end is erect and is installed and be used for driving crossbeam pivoted first drive arrangement, rotary device separates the crossbeam for counter weight section and cantilever section, the driving is installed on the cantilever section with the mode that removes about following the cantilever section, fixed mounting has the second drive arrangement in the counter weight section, fixed mounting has the wire rope winding in the cantilever section, the wire rope winding has wire rope and a plurality of guide pulley, wire rope's both ends are fixed on the driving, install wire rope take-up unit on the right-hand member of cantilever section, second drive arrangement's power take off end and a transmission guide pulley in. The utility model discloses electronic jib of mine stonecutter saw bit, its simple structure, control the convenience, labour saving and time saving improves work efficiency effectively.

Description

Electric hanger rod for saw blade of mine stone cutter

Technical Field

The utility model relates to a mine stonecutter field, concretely relates to electronic jib of mine stonecutter saw bit.

Background

The existing saw blade suspender of the mine stone cutter can only realize rotation and advance and retreat by manually pulling the suspender by a rope due to no electric control, so that the operation is complex, time and labor are wasted, the working efficiency is low, great potential safety hazards exist, and the development of enterprises is restricted.

In view of the above, the inventors of the present invention conducted an intensive study on the existing saw blade boom of a mine stone cutter, and developed the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic jib of mine stonecutter saw bit, its simple structure, control the convenience, labour saving and time saving improves work efficiency effectively, and eliminates the potential safety hazard.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric saw blade suspension rod of a mine stone cutter comprises a travelling crane, a stand column erected on a horizontal plane, a cross beam arranged above the upper end of the stand column and transversely lying along the left-right direction, wherein the cross beam is rotatably connected with the upper end of the stand column through a rotating device, a first driving device used for driving the cross beam to rotate is vertically installed at the upper end of the stand column, the rotating device divides the cross beam into a counterweight section which is positioned on the left side of the stand column and plays a counterweight and a balance action and a cantilever section which is positioned on the right side of the stand column, the travelling crane is installed on the cantilever section in a mode of moving left and right along the cantilever section, a second driving device is fixedly installed on the counterweight section, a steel wire rope winding used for pulling the travelling crane to travel is fixedly installed on the cantilever section, the steel wire rope winding is provided with a steel wire rope and a, and a steel wire rope tightness device for adjusting the tightness of the steel wire rope is arranged at the right end of the cantilever section, and the power output end of the second driving device is in transmission connection with a guide wheel in the steel wire rope winding.

Install a supporting seat on the upper end of stand, a bracing piece of erectting is installed with the supporting seat rotates, upper end of the support bar is fixed with a level setting and is used for through the screw lock in the welt of cantilever section bottom, the bracing piece with welt junction is the right angle, cantilever section below is provided with a backup pad that is the right angled triangle structure, constitute on the backup pad right angled both sides limit length respectively with the bracing piece with the welt equals to through the welding mode respectively with the bracing piece with welt fixed connection, a through-hole has been seted up at the middle part of backup pad.

The first driving device comprises a first motor, a first speed reducer, a first gear and a double-row chain, the first speed reducer is located above the first motor, an output shaft of the first motor is connected with an input shaft of the first speed reducer, the gear is installed on the output shaft of the first speed reducer, and the first gear drives the rotating device to rotate through the double-row chain.

The rotating device comprises a short cylinder vertically fixed on the upper end part of the upright post, a sleeve body is sleeved outside the short cylinder, a plurality of balls for enabling the sleeve body to stably rotate around the short cylinder are arranged between the short cylinder and the sleeve body, a plurality of chain teeth which are arranged around the outer wall of the sleeve body and are used for driving and connecting the double-row chains are arranged on the outer wall of the sleeve body, two connecting plates which are positioned on the front side and the rear side of the cross beam and fixed with the cross beam are vertically arranged on the sleeve body, and the two connecting plates are fixed with the sleeve body; and a first guide wheel seat is arranged on the connecting plate at the front side of the cross beam, and a guide wheel in transmission connection with the power output end of the second driving device is rotatably arranged on the first guide wheel seat.

The wire rope winding is further provided with a second guide wheel seat, the number of the guide wheels is three, the guide wheels in transmission connection with the power output end of the second driving device are main guide wheels, the other two guide wheels are divided into a first auxiliary guide wheel and a second auxiliary guide wheel, the second guide wheel seat is located in the middle of the cantilever section and fixed to the top of the cantilever section, the first auxiliary guide wheel is rotatably installed on the second guide wheel seat, and the second auxiliary guide wheel is located at the left end portion of the cantilever section.

The second driving device comprises a second motor, a second speed reducer, a second gear and a third gear, the second speed reducer is located on the right side of the second motor, a power output shaft of the second motor is connected with a power input shaft of the second speed reducer, the second gear is installed on the power output shaft of the second speed reducer, the third gear is fixedly installed on a transmission shaft of the main guide wheel, and the second gear is in transmission connection with the third gear through a chain.

The steel wire rope tightening and loosening device is characterized by further comprising a third guide wheel seat, a screw, a nut and a tensioning wheel for transition of the steel wire rope, wherein the tensioning wheel is rotatably mounted on the third guide wheel seat, the screw is arranged transversely and vertically, the first end of the screw is fixed on the third guide wheel seat, the right end of the cantilever section is vertically connected with an extension block extending towards the front side of the cantilever section, a through hole for the second end of the screw to pass through is formed in the extension block, and the nut is mounted at the second end of the screw, which passes through the through hole, in a threaded manner.

Install on the stand and be used for hiding first motor first reduction gear with first gear plays the first protection casing of guard action, install in the counter weight section and be used for hiding the second protection casing that second motor and second reduction gear played guard action, be equipped with in the cantilever segment portion and be used for the protection the wire rope winding with wire rope's third protection casing, the third protection casing is groove structure, all set up on the wall of the both sides of third protection casing and be rectangular shape and be used for observing wire rope's viewing aperture, all install organic glass on the viewing aperture.

The lower end of the upright post is fixedly connected with a flange which is flatly attached to the lower end of the upright post, the lower end of the upright post is provided with a plurality of vertical reinforcing plate ribs which are arranged around the upright post, and each reinforcing plate rib is fixedly connected with the lower end of the upright post and the flange.

The beam and the vertical rod are made of I-shaped steel, the traveling crane is provided with a chain block, and the traveling crane is provided with traveling wheels walking on the beam.

The utility model has the advantages that: during work, the first driving device drives the cross beam to horizontally swing to the position above a saw blade or a workpiece to be lifted, then the second driving device works manually, the power output end of the second driving device drives a guide wheel in a steel wire rope winding to rotate, the guide wheel rotates to pull the steel wire rope to transmit, and the traveling crane is fixedly connected with the steel wire rope, so that the traveling crane can advance and retreat on the cantilever section and can be positioned under the pulling of the steel wire rope. The tightness of the steel wire rope driving the travelling crane to travel can be directly adjusted and adjusted through the steel wire rope tightness device on the right end of the cantilever section, the adjustment is convenient, and smooth transition tensioning and transmission of the steel wire rope on a steel wire rope winding are guaranteed. First drive arrangement and second drive arrangement work are all through automatically controlled, compare in artifical rope pulling jib realization rotation and advance and retreat with labour saving and time saving more, and more conveniently control also can reduce personnel's participation, and the position is spacing also more accurate, has improved work efficiency. Meanwhile, the potential safety hazard of hanging and moving of the saw blade can be eliminated, and the safety is higher. Therefore, the utility model discloses mine stone cutter saw bit electric boom, its simple structure, control the convenience, labour saving and time saving improves work efficiency effectively, and can play and eliminate the in-process potential safety hazard effect of lifting by crane, and is safer.

Drawings

For ease of illustration, the present invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is the structure schematic diagram of the electric suspender of the saw blade of the mine stone cutter (in the figure, the first protective cover, the second protective cover and the third protective cover are disassembled).

In the figure:

traveling a vehicle-1; a traveling wheel-11; a column-2; a cross beam-3; a steel wire rope-02; a support seat-21; a support rod-22; a lining plate-23; a support plate-24; a through-hole-241; a main sheave-41; a first guide wheel seat-42; a first secondary guide wheel-43; a second secondary guide wheel-44; a second guide wheel seat-45; a first motor-51; a first reducer-52; double rows of chains-53; a sleeve body-61; a tooth-611; a connecting plate-62; a second motor-71; a second reducer-72; screw-81; a nut-82; a tension wheel-83; an extension block-84; a first shield-91; a second shield-92; a third shield-93; viewing port-931; flange-03; and (5) reinforcing plate ribs-04.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in figure 1, the electric suspension rod for the saw blade of the mine stone cutter comprises a travelling crane 1, a vertical column 2 which is erected on a horizontal plane and a suspension rod which is positioned above the upper end of the vertical column 2, a cross beam 3 lying along the left and right direction, the cross beam 3 is rotationally connected with the upper end of the upright post 2 through a rotating device, a first driving device for driving the beam 3 to rotate is vertically arranged at the upper end of the upright post 2, the rotating device divides the cross beam 3 into a counterweight section which is positioned on the left side of the upright post 2 and plays a role of counterweight and balance and a cantilever section which is positioned on the right side of the upright post 2, the travelling crane 1 is arranged on the cantilever section in a mode of moving left and right along the cantilever section, the travelling crane 1 is arranged on the cantilever section for hoisting the travelling crane, and the traveling wheels 11 are used for the traveling crane to travel on the cantilever sections, wherein the traveling crane 1 adopts the existing hanging bracket to travel on. The balance weight is characterized in that a second driving device is fixedly mounted on the balance weight section, a steel wire rope winding used for pulling the traveling crane 1 to walk is fixedly mounted on the cantilever section, the steel wire rope winding is provided with a steel wire rope 02 and a plurality of guide wheels for the steel wire rope 02 to bypass and tension, two ends of the steel wire rope 02 are fixed on the traveling crane 1, a steel wire rope tightening device used for adjusting the tightness of the steel wire rope 02 is mounted on the right end of the cantilever section, the power output end of the second driving device is in transmission connection with one guide wheel in the steel wire rope winding, and the guide wheel in transmission connection with the power output end of the second driving device is used as a main guide wheel 41. By adopting the structure, the upper cross beam at the upper end of the upright post is driven to horizontally rotate manually through the electric control first driving device. The electric control second driving device is manually operated, the power output end of the second driving device drives the main guide wheel 41 in the steel wire rope winding to rotate, the main guide wheel 41 rotates to pull the steel wire rope 02 to transmit, and the traveling crane 1 is fixedly connected with the steel wire rope 02 to realize the forward and backward traveling and positioning of the traveling crane on the cantilever section under the pulling of the steel wire rope 02. Therefore, the operation and control are convenient, the time and the labor are saved, and the working efficiency is effectively improved. And potential safety hazards in the hoisting process can be eliminated, and the lifting device is safer.

Above-mentioned specifically, wire rope 02 chooses for use current diameter is 10 mm's wire rope, crossbeam 3 and pole setting are current 200 national standard I-steel, are convenient for firstly acquire, and secondly the I-steel characteristic is better, and the integral erection of being convenient for. The utility model provides a driving a vehicle adopts current gallows to go up driving a vehicle to adopt conventional mode to install on the crossbeam for the I-steel, driving a vehicle 1 through its walking wheel 11 can the crossbeam walking of I-steel for field common general knowledge, here also not the utility model discloses focus, so do not just further elucidate here.

In this embodiment, install a supporting seat 21 on the upper end of stand 2, a bracing piece 22 of erectting is installed with rotating to supporting seat 21, bracing piece 22 upper end is fixed with a level setting and is used for through the screw lock solid in the welt 23 of cantilever section bottom, bracing piece 22 with the welt 23 junction is the right angle, cantilever section below is provided with a backup pad 24 that is the right triangle structure, constitute on the backup pad 24 right-angled both sides limit length respectively with bracing piece 22 with welt 23 equals to through the welding mode respectively with bracing piece 22 with welt 23 fixed connection, a through-hole 241 has been seted up at the middle part of backup pad 24. By adopting the structure, the supporting seat 21, the supporting rod 22, the lining plate 23 and the supporting plate 24 jointly form an auxiliary supporting structure which can rotate along with the cross beam 3 and can play an auxiliary supporting role for the cross beam 3, the supporting capacity of the cantilever section at the upper end of the upright column 2 is increased, and meanwhile, the length of the counterweight section can be favorably reduced. The material can be saved and the cost can be reduced mainly by the arrangement.

In this embodiment, the first driving device includes a first motor 51, a first speed reducer 52, a first gear and a double-row chain 53, the first speed reducer 52 is located above the first motor 51, an output shaft of the first motor 51 is connected to an input shaft of the first speed reducer 52, the gear is mounted on the output shaft of the first speed reducer 52, and the first gear drives the rotating device to rotate through the double-row chain 53. Specifically, the first speed reducer 52 is a conventional worm speed reducer, which may also be referred to as a worm gear speed reducer. The turbine speed reducer can be used for automatically limiting and self-locking to avoid reversal, the brake function can be realized in work, and the potential safety hazard is greatly reduced. By adopting the structure, the arranged double-row chain 53 is mainly used for ensuring that enough tension drives the cross beam 3 to rotate and the tension cannot be broken. The first motor 51 is decelerated through the first speed reducer 52, and the beam 3 is driven to rotate through the double-row chain 53, so that the rotating speed of the beam 3 is stable and accurate, and the rotating process cannot shake and is safer. First motor 51 can select for use the motor of current area brake, realizes dual spacing protection, guarantees that crossbeam 3 rotates spacingly more accurate.

In this embodiment, the rotating device includes a short cylinder (not shown in the figure) vertically fixed on the upper end of the upright column 2, a sleeve body 61 is sleeved outside the short cylinder, a plurality of balls for forming rolling friction between the cylindrical surface of the short cylinder and the inner surface of the sleeve body 61 are arranged between the short cylinder and the sleeve body 61, a plurality of chain teeth 611 arranged around the outer wall of the sleeve body 61 and used for driving and connecting the double-row chain 53 are arranged on the outer wall of the sleeve body 61, two connecting plates 62 which are positioned on the front and rear sides of the cross beam 3 and welded with the cross beam 3 are vertically arranged on the sleeve body 61, and the two connecting plates 62 are welded with the sleeve body 61; a first guide wheel seat 42 for rotatably mounting the main guide wheel 41 is mounted on the connecting plate 62 at the front side of the cross beam 3. Adopt above-mentioned structure setting, through short cylinder and cover body 61, realize that crossbeam 3 can rotate at 2 tops of stand. Directly set up chain tooth 611 at the outer wall of cover body 61, simple structure, the preparation of being convenient for, chain tooth 611 is integrative with cover body 61, and whole atress is better, reduces the emergence of disconnected tooth condition, avoids welding high temperature to cause local tensile stress not enough, the problem of fragility increase.

In this embodiment, it is further preferable that the short cylinder is sleeved with a bearing, the short cylinder is fixed to an inner ring of the bearing through a key, and the sleeve body 61 is sleeved outside the bearing and is fixedly connected to an outer ring of the bearing. Furthermore, the short cylinder may be sleeved with an existing annular bearing disc, a lower bottom surface of the annular bearing disc is flatly attached to an upper end surface of the upright column, and a lower portion of the sleeve body 61 may be directly abutted to an upper top surface of the annular bearing disc. With this structure, the short cylinder and the sleeve body 61 can also be relatively smoothly rotated.

In this embodiment, the second driving device includes a second motor 71, a second speed reducer 72, a second gear (not shown) and a third gear (not shown), the second speed reducer 72 is located on the right side of the second motor 71, a power output shaft of the second motor 71 is connected to a power input shaft of the second speed reducer 72, the second gear is mounted on the power output shaft of the second speed reducer 72, the third gear is fixedly mounted on the transmission shaft of the main gear 41, and the second gear is in transmission connection with the third gear through a chain. Specifically, the second motor 71 is an existing 0.75KW ordinary motor, and the second speed reducer 72 is an existing worm gear speed reducer, which may also be referred to as a worm gear speed reducer. The turbine speed reducer can be used for automatically limiting and self-locking to avoid reversal, the brake function can be realized in work, and the potential safety hazard is greatly reduced. By adopting the structure, the power of the second motor 71 can directly drive the main guide wheel 41 to rotate through the second speed reducer 72, the traveling crane 1 can be pulled to walk by directly drawing the steel wire rope 02, the middle transmission parts can be effectively reduced, and the energy loss can be reduced. The second motor 71 can be a motor with a brake, so that double limiting protection is realized, and the rotation limiting of the cross beam 3 is more accurate.

In this embodiment, the wire rope winding includes a first sub-guide pulley 43, a second sub-guide pulley 44 and a second guide pulley seat 45, the second guide pulley seat 45 is located in the middle of the cantilever section and is welded and fixed on the top of the cantilever section, the first sub-guide pulley 43 is rotatably installed on the second guide pulley seat 45, and the second sub-guide pulley 44 is located at the left end of the cantilever section. By adopting the structure, the steel wire rope 02 is convenient to transition and tighten, and the pressure of load when the steel wire rope 02 is pulled can be borne. Meanwhile, the steel wire rope 02 can pass through the connecting parts of the left end part and the right end part of the cantilever section and the counterweight section, so that the walking stroke length of the traveling crane 1 is equal to the length of the cantilever section.

In this embodiment, the wire rope tightening and loosening device includes a third guide wheel seat (not shown), a screw 81, a nut 82, and a tension wheel 83 for passing through the wire rope 02, the tension wheel 83 is rotatably mounted on the third guide wheel seat, the screw 81 is disposed vertically and horizontally, a first end of the screw 81 is fixed on the third guide wheel seat, an extension block 84 extending to a front side of the cantilever section is vertically connected to a right end of the cantilever section, a through hole 241 for passing a second end of the screw 81 is disposed on the extension block 84, and the nut 82 is mounted on a second end of the screw 81 passing through the through hole 241 by screw thread fitting. By adopting the structure, when the steel wire rope 02 needs to be tensioned, the nut 82 is rotated by a wrench or other auxiliary workpieces to drive the screw 81 to move right, so that the tensioning of the steel wire rope 02 is realized. Conversely, the nut 82 is rotated by a wrench or other auxiliary workpieces to drive the screw 81 to move left, so that the steel wire rope 02 is loosened. Therefore, the structure is simple, the operation is convenient, and the adjustment is effective. The extension piece 84 that sets up not only can be used for fixed third leading wheel seat, can also carry on spacingly to the rightmost end that driving 1 removed to the cantilever section.

In this embodiment, install on the stand 2 and be used for hiding first motor 51 first reduction gear 52 with first gear plays guard's first protection casing 91, install on the counter weight section and be used for hiding second motor 71 and second reduction gear 72 play guard's second protection casing 92, be equipped with on the cantilever section and be used for the protection the wire rope winding with wire rope 02's third protection casing 93, third protection casing 93 is groove structure, all set up on the wall of third protection casing 93 both sides and be rectangular shape and be used for observing wire rope 02's viewing aperture 931, all install organic glass or toughened glass on viewing aperture 931. With the above-described structural arrangement, the first protection cover 91 is provided, which is mainly used to protect the first motor 51, the first speed reducer 52 and the double-row chain 53 from rainwater, weather, and the like. The second protection cover 92 and the third protection cover 93 are arranged to mainly protect the second motor 71, the chain and the steel wire rope 02 from being invaded by rainwater, weather and the like. The observation port 931 arranged on the third protection cover 93 is mainly convenient for observing the transmission condition of the steel wire rope 02 and observing whether the steel wire rope 02 is damaged or not.

In this embodiment, the lower end of the upright column 2 is fixedly connected with a flange 03 flatly attached to the lower end of the upright column 2, the lower end of the upright column 2 is provided with a plurality of vertical reinforcing plate ribs 04, the plurality of reinforcing plate ribs 04 are arranged around the upright column 2, and each reinforcing plate rib 04 is fixedly connected with the lower end of the upright column 2 and the flange 03. Adopt above-mentioned structure setting, the reinforcement plate muscle 04 of setting can be connected the lower extreme and the ring flange 03 of stand 2 and be consolidated effectively. The flange 03 that sets up is mainly used for fixing the stand 2 on the installation pedestal, is convenient for fix the flange 03 lock through nut 82 and the bolt cooperation on the installation pedestal.

In this embodiment, chain block 100 is installed on crane 1, and through chain block 100, the manual work department of being convenient for operates vertical lifting from top to bottom, is changeed in adjusting to required position for electronic.

It should be noted that: the utility model discloses mine stonecutter saw bit electric boom can adopt wired or handheld remote controller to control first motor 51 and second motor 71 work, realizes 3 levels of crossbeam and rotates spacing action and driving and backing spacing action around the driving 1. Through can install electric block or chain block 100 additional on driving 1, realize the action of hoisting from top to bottom to the saw bit, consequently, the utility model discloses mine stone cutter saw bit electric suspender can require to realize 4 or 6 to the action (4 actions or 6 actions on the direction promptly) according to the customer.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. The utility model provides an electronic jib of mine stonecutter saw bit which characterized in that: the steel wire rope tension adjusting device comprises a travelling crane, a stand column which is erected on a horizontal plane, and a cross beam which is positioned above the upper end of the stand column and horizontally laid along the left-right direction, wherein the cross beam is rotatably connected with the upper end of the stand column through a rotating device, a first driving device which is used for driving the cross beam to rotate is vertically installed at the upper end of the stand column, the rotating device divides the cross beam into a counterweight section which is positioned on the left side of the stand column and plays a counterweight and balancing role and a cantilever section which is positioned on the right side of the stand column, the travelling crane is installed on the cantilever section in a manner of moving along the cantilever section in a left-right direction, a second driving device is fixedly installed on the counterweight section, a steel wire rope winding which is used for pulling the travelling crane to travel is fixedly installed on the cantilever section, the steel wire rope winding is provided with a steel wire rope and a plurality of, and the power output end of the second driving device is in transmission connection with a guide wheel in the steel wire rope winding.

2. The electric boom of a mine stone cutter as recited in claim 1, characterized in that: install a supporting seat on the upper end of stand, a bracing piece of erectting is installed with the supporting seat rotates, upper end of the support bar is fixed with a level setting and is used for through the screw lock in the welt of cantilever section bottom, the bracing piece with welt junction is the right angle, cantilever section below is provided with a backup pad that is the right angled triangle structure, constitute on the backup pad right angled both sides limit length respectively with the bracing piece with the welt equals to through the welding mode respectively with the bracing piece with welt fixed connection, a through-hole has been seted up at the middle part of backup pad.

3. The electric boom of a mine stone cutter as recited in claim 1, characterized in that: the first driving device comprises a first motor, a first speed reducer, a first gear and a double-row chain, the first speed reducer is located above the first motor, an output shaft of the first motor is connected with an input shaft of the first speed reducer, the gear is installed on the output shaft of the first speed reducer, and the first gear drives the rotating device to rotate through the double-row chain.

4. The electric boom of a mine stone cutter saw blade according to claim 3, characterized in that: the rotating device comprises a short cylinder vertically fixed on the upper end part of the upright post, a sleeve body is sleeved outside the short cylinder, a plurality of balls for enabling the sleeve body to stably rotate around the short cylinder are arranged between the short cylinder and the sleeve body, a plurality of chain teeth which are arranged around the outer wall of the sleeve body and are used for driving and connecting the double-row chains are arranged on the outer wall of the sleeve body, two connecting plates which are positioned on the front side and the rear side of the cross beam and fixed with the cross beam are vertically arranged on the sleeve body, and the two connecting plates are fixed with the sleeve body; and a first guide wheel seat is arranged on the connecting plate at the front side of the cross beam, and a guide wheel in transmission connection with the power output end of the second driving device is rotatably arranged on the first guide wheel seat.

5. The electric boom of a mine stone cutter saw blade according to claim 3, characterized in that: the wire rope winding is further provided with a second guide wheel seat, the number of the guide wheels is three, the guide wheels in transmission connection with the power output end of the second driving device are main guide wheels, the other two guide wheels are divided into a first auxiliary guide wheel and a second auxiliary guide wheel, the second guide wheel seat is located in the middle of the cantilever section and fixed to the top of the cantilever section, the first auxiliary guide wheel is rotatably installed on the second guide wheel seat, and the second auxiliary guide wheel is located at the left end portion of the cantilever section.

6. The electric boom of a mine stone cutter as recited in claim 5, characterized in that: the second driving device comprises a second motor, a second speed reducer, a second gear and a third gear, the second speed reducer is located on the right side of the second motor, a power output shaft of the second motor is connected with a power input shaft of the second speed reducer, the second gear is installed on the power output shaft of the second speed reducer, the third gear is fixedly installed on a transmission shaft of the main guide wheel, and the second gear is in transmission connection with the third gear through a chain.

7. The electric boom of a mine stone cutter as recited in claim 1, characterized in that: the steel wire rope tightening and loosening device is characterized by further comprising a third guide wheel seat, a screw, a nut and a tensioning wheel for transition of the steel wire rope, wherein the tensioning wheel is rotatably mounted on the third guide wheel seat, the screw is arranged transversely and vertically, the first end of the screw is fixed on the third guide wheel seat, the right end of the cantilever section is vertically connected with an extension block extending towards the front side of the cantilever section, a through hole for the second end of the screw to pass through is formed in the extension block, and the nut is mounted at the second end of the screw, which passes through the through hole, in a threaded manner.

8. The electric boom of a mine stone cutter as recited in claim 6, wherein: install on the stand and be used for hiding first motor first reduction gear with first gear plays the first protection casing of guard action, install in the counter weight section and be used for hiding the second protection casing that second motor and second reduction gear played guard action, be equipped with in the cantilever segment portion and be used for the protection the wire rope winding with wire rope's third protection casing, the third protection casing is groove structure, all set up on the wall of the both sides of third protection casing and be rectangular shape and be used for observing wire rope's viewing aperture, all install organic glass on the viewing aperture.

9. The electric boom of a mine stone cutter as recited in claim 1, characterized in that: the lower end of the upright post is fixedly connected with a flange which is flatly attached to the lower end of the upright post, the lower end of the upright post is provided with a plurality of vertical reinforcing plate ribs which are arranged around the upright post, and each reinforcing plate rib is fixedly connected with the lower end of the upright post and the flange.

10. The electric boom of a mine stone cutter as recited in claim 1, characterized in that: the beam and the vertical rod are made of I-shaped steel, the traveling crane is provided with a chain block, and the traveling crane is provided with traveling wheels walking on the beam.