Auxiliary mechanism for handheld tunnel crushing equipment and operation method thereof
Technical Field
The invention relates to the technical field of tunnel mining, in particular to an auxiliary mechanism for handheld tunnel crushing equipment.
Background
The tunnel is constructed underground or underwater or in a mountain forest, a building for motor vehicles to pass through is laid with railways or roads, the building can be divided into three types of mountain tunnels, underwater tunnels and urban tunnels, a mountain tunnel which passes through from mountains or hills for shortening distance and avoiding large slopes, an underwater tunnel which passes through from rivers or sea floors for passing through rivers or straits gorges, and an urban tunnel which passes through underground in cities for using railways to pass through large cities are further divided into three types of tunnels, the most mountain tunnels are constructed, shield machines are required to be used for exploiting the tunnel when the tunnel is constructed, but some narrow places cause that the shield machines cannot exploit the tunnel, and handheld tunnel crushing equipment is used for exploiting the tunnel when the tunnel is constructed.
The existing handheld tunnel crushing equipment needs to be hung on the body of a user by using braces in the using process, labor expenditure is high, the labor force of workers can be quickly lost under long-time work, the working efficiency of the workers is reduced, the protection capability of the workers is poor, and the efficiency of tunnel mining is seriously influenced.
Disclosure of Invention
The invention aims to make up for the defects of the prior art, and provides an auxiliary mechanism for handheld tunnel crushing equipment and an operation method thereof.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a hand-held type tunnel complementary unit for crushing equipment, includes the end storehouse, the internally mounted of end storehouse has elevating system, the last fixed surface of end storehouse is connected with the fixed case, elevating system's bottom surface fixedly connected with stabilizing mean, the internally mounted of fixed case has slide mechanism, the upper portion of fixed case is equipped with the backup pad, the last fixed surface of backup pad is connected with fixture, straining mechanism is installed on fixture's upper portion.
The clamping mechanism comprises a first limiting ring, a limiting rod, a second limiting ring, a first bearing, a first threaded pipe, a first threaded rod, a first universal groove, a first universal ball, an opening mechanism, a loop bar, a powerful tension spring, a sleeve, a connecting rod, a second universal ball and a second universal groove, the upper surface of the supporting plate is fixedly articulated with two symmetrical first limiting rings through a pin shaft, two symmetrical second limiting rings are arranged between the two first limiting rings, the upper parts of the two second limiting rings, which are far away from one side surface, are fixedly connected with the limiting rod, the ends, which are far away from each other, of the two limiting rods respectively penetrate through the two first limiting rings and extend to the outer parts of the first limiting rings, the lower parts, which are far away from one side surface, of the two second limiting rings are fixedly connected with the first bearing, and the inner ring of each first bearing is fixedly connected with the first threaded rod, the side surfaces, far away from each other, of the two first limiting rings are fixedly connected with first threaded pipes matched with the first threaded rods, one ends, far away from each other, of the two first threaded rods sequentially penetrate through the first limiting rings and the threaded rods and extend to the outer parts of the first threaded pipes, inner rings of the two first threaded pipes are in threaded connection with the outer surfaces of the two first threaded rods respectively, the bottom surface of each first threaded pipe is fixedly connected with a first universal groove, a first universal ball matched with the first universal groove is clamped and connected inside each first universal groove, the upper surface of the supporting plate is fixedly connected with two symmetrical second universal grooves, a second universal ball matched with the second universal groove is clamped and connected inside each second universal groove, a connecting rod is fixedly connected to the outer surface of each second universal ball, and a side surface, far away from the second universal ball, of each connecting rod is fixedly connected with a sleeve, every telescopic inside all is equipped with the loop bar, every the equal fixedly connected with powerful extension spring of telescopic bottom surface, two the bottom of powerful extension spring respectively with two telescopic interior diapire fixed connection, two the one end that powerful extension spring was kept away from to the loop bar runs through two sleeves respectively and extends to telescopic outside, two telescopic a side is kept away from to the loop bar respectively with the external fixed surface of two first universal balls is connected.
The buckling mechanism comprises a limiting box, a limiting ring, a triangular block, a pull rod, springs, a movable plate, a fixed block, a limiting groove and a limiting block, wherein the outer surfaces of the two ends, far away from the supporting plate, of the first limiting rings are fixedly connected with the limiting box and the fixed block respectively, the movable plate matched with the limiting box is arranged inside the limiting box, the upper surface of the movable plate is fixedly connected with two symmetrical springs, the top end of each spring is fixedly connected with the inner top wall of the limiting box, the middle part of the upper surface of the movable plate is fixedly connected with the pull rod, the top end of the pull rod penetrates through the limiting box and extends to the outer part of the limiting box, the outer surface of the pull rod is sleeved with the limiting ring, the inner ring of the limiting ring is fixedly connected with the outer surface of the pull rod, the middle part of the bottom surface of the movable, the left end of stopper runs through spacing case and extends to the inside of spacing case, the spacing groove has been seted up to the upper surface of stopper, the inside at the spacing groove of triangle piece joint.
Furthermore, the lifting mechanism comprises a powerful motor, second threaded rods, spiral rings, a movable plate, second bearings and supporting columns, the movable plate is arranged in the bottom bin and matched with the bottom bin, the upper surface of the movable plate is fixedly embedded with the two spiral rings, the inner top wall of the bottom bin is fixedly connected with the two symmetrical powerful motors, the output end of each powerful motor is fixedly connected with the second threaded rod matched with the spiral rings, the bottom ends of the two second threaded rods penetrate through the two spiral rings respectively and extend to the outside of the movable plate, the inner rings of the two spiral rings are in threaded connection with the outer surfaces of the two second threaded rods respectively, the inner bottom wall of the bottom bin is embedded with the two symmetrical second bearings, the outer surfaces of the bottom ends of the two second threaded rods are fixedly connected with the outer surfaces of the two second bearings respectively, and the middle part of the bottom surface of the inner ring of the movable plate is, the bottom of support column runs through end storehouse and extends to the outside in end storehouse.
Through adopting above-mentioned technical scheme, what can be better lets the user adjust the complementary unit height, the effectual limited problem of hand-held type tunnel crushing equipment crushing area that has avoided causing at the in-process that uses.
Further, stabilizing mean includes fixing base, fixed pipe, sliding tray, bottom plate, second screwed pipe and third threaded rod, the bottom surface fixedly connected with bottom plate of support column, the fixed pipe of the equal fixedly connected with in four edges of bottom plate upper surface, every the inside of fixed pipe all is equipped with the sliding tray of fixed pipe looks adaptation, every the bottom surface fixedly connected with third threaded rod of sliding tray, every the equal fixed embedding in bottom surface of fixed pipe has the second screwed pipe, every the bottom of second screwed pipe all runs through the bottom plate and extends to the bottom surface of bottom plate, the bottom of third threaded rod runs through the second screwed pipe and extends to the outside of bottom plate, every the equal fixedly connected with fixing base in bottom surface of third threaded rod.
Through adopting above-mentioned technical scheme, can effectual increase holistic stability, avoid auxiliary mechanism to take place to incline or empty when unevenness's place uses, influence staff's normal work.
Further, the model of the power motor is Y132S-4, and the tensile tension of the power tension spring is 23 kgf/mm.
Through adopting above-mentioned technical scheme, can effectively guarantee the power of complementary unit at the lift in-process, avoid leading to complementary unit to be difficult to adjust because of powerful motor power is not enough in the use, extension spring life is longer to the life of opening the structure has been prolonged.
Furthermore, the sliding mechanism comprises a third bearing, a fixing column, a through groove, a sliding rod, a lantern ring, a first sliding block and a first sliding groove, the sliding rod is fixedly connected with the inside of the fixed box and is matched with the fixed box, the lantern ring is sleeved on the outer surface of the sliding rod and is matched with the sliding rod, the outer surface of the lantern ring is fixedly connected with the two symmetrical first sliding blocks, the first sliding groove matched with the first sliding block is formed in the inner bottom wall of the fixed box, the bottom ends of the two first sliding blocks are all clamped in the first sliding groove, the outer surface of the lantern ring far away from the first sliding block is fixedly connected with the fixing column, the top end of the fixing column penetrates through the through groove and extends to the outside of the fixed box, the third bearing is fixedly embedded in the middle of the bottom surface of the supporting plate, and the outer surface of the top end of.
Through adopting above-mentioned technical scheme, the staff of being convenient for controls hand-held type tunnel crushing equipment's broken dynamics and broken scope, and it is comparatively convenient to use.
Furthermore, two symmetrical second chutes are formed in the inner side wall of the bottom bin, second sliding blocks matched with the second chutes are fixedly connected to the left side surface and the right side surface of the movable plate, and the second sliding blocks are clamped inside the two second chutes respectively.
Through adopting above-mentioned technical scheme, can effectively improve the fly leaf at the stability of adjustment process, avoid leading to the spiro union to die with the card of second threaded rod because of the fly leaf takes place the incline in the use, make the unable normal lift of complementary unit.
Further, the method of operation comprises the steps of:
s1, pulling the pull rod to enable the moving plate to drive the triangular block to move upwards, releasing the limit of the limit block and separating the two first limit rings;
s2, placing the handheld tunnel crushing equipment on the upper surface of the supporting plate, enabling the two first limiting rings to be mutually folded, enabling the triangular block to be clamped into the limiting groove, and enabling the first limiting rings to clamp the handheld tunnel crushing equipment;
s3, rotating the two first threaded rods to enable the two first threaded rods to push the two second limiting rings to approach each other, and fixing the handheld tunnel crushing equipment in the second step;
s4, the worker carries the auxiliary mechanism to a working place, the two powerful motors are communicated with a power supply, the two powerful motors drive the second threaded rod to rotate, the movable plate pushes the supporting column, and the height of the auxiliary mechanism is adjusted;
s5, rotating the fixed seats to enable the third threaded rod to push the fixed seats to move downwards and enable all four fixed seats to be in contact with the bottom surface;
s6, the worker rotates the handheld tunnel crushing equipment to enable the crushing end of the handheld tunnel crushing equipment to be aligned with the rock, then the handheld tunnel crushing equipment is pushed, the fixing column drives the lantern ring to slide on the outer surface of the sliding rod, and the handheld tunnel crushing equipment moves forwards to crush the tunnel;
s7, after the use is finished, the worker pulls the pull rod to enable the triangular block to be separated from the limiting groove, then the two tension springs pull the two loop bars, the two loop bars drive the two first limiting rings to be separated, and the worker takes down the handheld tunnel crushing equipment.
Compared with the prior art, the auxiliary mechanism for the handheld tunnel crushing equipment and the operation method thereof have the following beneficial effects:
1. the invention can drive the second threaded rod to rotate by the operation of the powerful motor through the arrangement of the powerful motor, the second threaded rod rotates to drive the movable plate to move, the movable plate is lifted to push the supporting column to lift, thereby achieving the adjustment of the height of the auxiliary mechanism, when the bottom surface is uneven, the rotating fixed seat can drive the third threaded rod to rotate, under the action of the second threaded pipe, the third threaded rod pushes the fixed seat to move downwards to be contacted with the ground, the overall stability is improved, the phenomenon that the auxiliary mechanism inclines or topples over when being used in an uneven place to influence the normal work of workers is avoided, and through the arrangement of the lantern ring and the sliding rod, when the staff promotes to hold the broken tunnel of formula tunnel and carry out the breakage to the tunnel, can effectively improve and hold the stability of formula tunnel crushing equipment at the slip in-process.
2. The invention adopts the arrangement of the two first limiting rings, the limiting box, the triangular block, the spring, the movable plate, the fixed block, the limiting groove and the limiting block, the worker pushes the two first limiting rings to be close to each other, so that the two first limiting rings drive the limiting box and the fixed block to be close to each other, the limiting block is clamped into the limiting box, the triangular block is clamped into the limiting groove, the two first limiting rings are buckled, thereby the first step fixing of the handheld tunnel crushing equipment is realized, the worker can push the two second limiting rings to be close to each other under the action of the first threaded pipe by rotating the first threaded rod through the arrangement of the second limiting ring, the first threaded rod and the first threaded pipe, the fixation of the handheld tunnel crushing equipment in the second step is realized, and the whole handheld tunnel crushing equipment can be prevented from being hung on the body by the worker to perform tunnel crushing operation, labour's quick loss can be put hand-held type tunnel crushing equipment and carry out broken operation on complementary unit to reduce staff's labour expenditure, avoid labour's quick loss, thereby improve work efficiency.
Drawings
FIG. 1 is a cross-sectional view of a bottom bin of the present invention;
FIG. 2 is a cross-sectional view of the sleeve of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
In the figure: 1-bottom bin, 2-fixed box, 3-support plate, 4-lifting mechanism, 401-powerful motor, 402-second threaded rod, 403-spiral ring, 404-second slide block, 405-second slide groove, 406-movable plate, 407-second bearing, 408-support column, 5-sliding mechanism, 501-third bearing, 502-fixed column, 503-through groove, 504-slide rod, 505-lantern ring, 506-first slide groove, 507-first slide block, 6-clamping mechanism, 601-first limit ring, 602-limit rod, 603-second limit ring, 604-first bearing, 605-first threaded pipe, 606-first threaded rod, 607-first universal groove, 608-first universal ball, 609-opening mechanism, 6091-loop bar, 6092-powerful tension spring, 6093-sleeve, 610-connecting bar, 611-second universal ball, 612-second universal groove, 7-stabilizing mechanism, 701-fixing seat, 702-fixing tube, 704-sliding disc, 705-second threaded tube, 706-third threaded rod, 8-fastening mechanism, 801-limit box, 802-limit ring, 803-triangular block, 804-pull bar, 805-spring, 806-moving plate, 807-fixing block, 808-limit groove and 809-limit block.
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.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a hand-held type tunnel complementary unit for crushing equipment, includes end storehouse 1, and the internally mounted of end storehouse 1 has elevating system 4, and the last fixed surface of end storehouse 1 is connected with fixed case 2, and elevating system 4's bottom surface fixedly connected with stabilizing mean 7, and the internally mounted of fixed case 2 has slide mechanism 5, and the upper portion of fixed case 2 is equipped with backup pad 3, and the last fixed surface of backup pad 3 is connected with fixture 6, and straining mechanism 8 is installed on fixture 6's upper portion.
The clamping mechanism 6 comprises a first limiting ring 601, a limiting rod 602, a second limiting ring 603, a first bearing 604, a first threaded pipe 605, a first threaded rod 606, a first universal groove 607, a first universal ball 608, an opening mechanism 609, a loop bar 6091, a strong tension spring 6092, a sleeve 6093, a connecting rod 610, a second universal ball 611 and a second universal groove 612, the upper surface of the support plate 3 is fixedly articulated with two symmetrical first limiting rings 601 through a pin shaft, two symmetrical second limiting rings 603 are arranged between the two first limiting rings 601, the upper parts of one side surface of the two second limiting rings 603 away from each other are fixedly connected with the limiting rod 602, the ends of the two limiting rods 602 away from each other respectively penetrate through the two first limiting rings 601 and extend to the outside of the first limiting rings 601, the lower parts of one side surface of the two second limiting rings 603 away from each other are fixedly connected with the first bearing 604, the inner ring of each first bearing 604 is fixedly connected with the first threaded rod 606, the side surfaces, far away from each other, of the two first limiting rings 601 are fixedly connected with first threaded pipes 605 matched with the first threaded rods 606, the ends, far away from each other, of the two first threaded rods 606 penetrate through the first limiting rings 601 and the threaded rods 605 in sequence and extend to the outside of the first threaded pipes 605, the inner rings of the two first threaded pipes 605 are in threaded connection with the outer surfaces of the two first threaded rods 606 respectively, the bottom surface of each first threaded pipe 605 is fixedly connected with a first universal groove 607, a first universal ball 608 matched with the first universal groove 607 is clamped inside each first universal groove 607, the upper surface of the support plate 3 is fixedly connected with two symmetrical second universal grooves 612, a second universal ball 611 matched with the second universal grooves 612 is clamped inside each second universal groove 612, a connecting rod 610 is fixedly connected to the outer surface of each second universal ball 611, and a sleeve 6093 is fixedly connected to the side surface, far away from the second universal balls 611, of each connecting rod 610, the inside of every sleeve 6093 all is equipped with loop bar 6091, the equal fixedly connected with powerful extension spring 6092 of bottom surface of every sleeve 6093, two powerful extension springs 6092's bottom respectively with the interior diapire fixed connection of two sleeves 6093, two loop bars 6091 keep away from the one end of powerful extension spring 6092 and run through two sleeves 6093 respectively and extend to the outside of sleeve 6093, two loop bars 6091 keep away from a side of sleeve 6093 respectively with the outer fixed surface connection of two first universal balls 608.
The fastening mechanism 8 comprises a limiting box 801, limiting rings 802, triangular blocks 803, a pull rod 804, springs 805, a moving plate 806, a fixing block 807, a limiting groove 808 and limiting blocks 809, the outer surfaces of one ends, far away from the support plate 3, of the two first limiting rings 601 are fixedly connected with the limiting box 801 and the fixing block 807 respectively, the moving plate 806 matched with the limiting box 801 is arranged inside the limiting box 801, the upper surface of the moving plate 806 is fixedly connected with the two symmetrical springs 805, the top end of each spring 805 is fixedly connected with the inner top wall of the limiting box 801, the middle part of the upper surface of the moving plate 806 is fixedly connected with the pull rod 804, the top end of the pull rod 804 penetrates through the limiting box 801 and extends to the outside of the limiting box 801, the outer surface of the pull rod 804 is sleeved with the limiting rings 802, the moving plate of the limiting rings 802 is fixedly connected with the outer surface of the inner ring pull rod 804, the middle part of the bottom surface, the left end of the limiting block 809 runs through the limiting box 801 and extends to the inside of the limiting box 801, the upper surface of the limiting block 809 is provided with a limiting groove 808, and the triangular block 803 is clamped in the limiting groove 808.
Further, the lifting mechanism 4 comprises a powerful motor 401, a second threaded rod 402, threaded rings 403, a movable plate 406, a second bearing 407 and a support column 408, the movable plate 406 adapted to the bottom bin 1 is arranged inside the bottom bin 1, the upper surface of the movable plate 406 is fixedly embedded with the two threaded rings 403, the inner top wall of the bottom bin 1 is fixedly connected with the two symmetrical powerful motors 401, the output end of each powerful motor 401 is fixedly connected with the second threaded rod 402 adapted to the threaded rings 403, the bottom ends of the two second threaded rods 402 respectively penetrate through the two threaded rings 403 and extend to the outside of the movable plate 406, the inner rings of the two threaded rings 403 are respectively in threaded connection with the outer surfaces of the two second threaded rods 402, the inner bottom wall of the bottom bin 1 is embedded with the two symmetrical second bearings 400, the outer surfaces of the bottom ends of the two second threaded rods 402 are respectively fixedly connected with the inner rings of the two second bearings 407, the middle part of the bottom surface, the bottom of support column 408 runs through end storehouse 1 and extends to the outside in end storehouse 1, and what can be better lets the user highly adjust the complementary unit, the effectual in-process of having avoided using causes the limited problem of hand-held type tunnel crushing equipment crushing area.
Further, the stabilizing mechanism 7 includes a fixed seat 701, a fixed tube 702, a sliding disk 703, a bottom plate 704, a second threaded tube 705 and a third threaded rod 706, the bottom surface of the supporting column 408 is fixedly connected with the bottom plate 704, the fixed tubes 702 are fixedly connected with four corners of the upper surface of the bottom plate 704, the sliding disk 703 matched with the fixed tube 702 is arranged inside each fixed tube 702, the bottom surface of each sliding disk 703 is fixedly connected with the third threaded rod 706, the bottom surface of each fixed tube 702 is fixedly embedded with the second threaded tube 705, the bottom end of each second threaded tube 705 penetrates through the bottom plate 704 and extends to the bottom surface of the bottom plate 704, the bottom end of the third threaded rod 706 penetrates through the second threaded tube 705 and extends to the outside of the bottom plate 704, the bottom surface of each third threaded rod 706 is fixedly connected with the fixed seat 701, so as to effectively increase the overall stability and avoid the auxiliary mechanism from tilting or toppling over when being used in an uneven place, affecting the normal work of the staff.
Furthermore, the model of the powerful motor 401 is Y132S-4, the tensile tension of the powerful tension spring 6092 is 23kgf/mm, the power of the auxiliary mechanism in the lifting process can be effectively ensured, the problem that the auxiliary mechanism is difficult to adjust due to insufficient power of the powerful motor 401 in the using process is avoided, the service life of the tension spring 6092 is long, and therefore the service life of the opening structure 609 is prolonged.
Further, the sliding mechanism 5 includes a third bearing 501, a fixed column 502, a through groove 503, a sliding rod 504, a collar 505, a first sliding groove 506 and a first sliding block 507, the inside of the fixed box 2 is fixedly connected with the sliding rod 504 matched with the fixed box 2, the outer surface of the sliding rod 504 is sleeved with the collar 505 matched with the sliding rod 504, the outer surface of the collar 505 is fixedly connected with two symmetrical first sliding blocks 507, the inner bottom wall of the fixed box 2 is provided with the first sliding groove 506 matched with the first sliding block 507, the bottom ends of the two first sliding blocks 507 are both clamped in the first sliding groove 506, the outer surface of the collar 505 far away from the first sliding block 507 is fixedly connected with the fixed column 502, the top end of the fixed column 502 penetrates through the through groove 503 and extends to the outside of the fixed box 2, the middle part of the bottom surface of the supporting plate 3 is fixedly embedded with the third bearing 501, the outer surface of the top end of the, the broken dynamics and the broken scope of the hand-held type tunnel crushing equipment of staff control of being convenient for, it is comparatively convenient to use.
Further, two symmetrical second chutes 405 are formed in the inner side wall of the bottom bin 1, the left side surface and the right side surface of the movable plate 406 are fixedly connected with second sliding blocks 404 matched with the second chutes 405, and the two second sliding blocks 404 are respectively clamped inside the two second chutes 405, so that the stability of the movable plate 406 in the adjusting process can be effectively improved, and the situation that the spiral ring 403 and the second threaded rod 402 are clamped due to the fact that the movable plate 406 deflects in the using process is avoided, and the auxiliary mechanism cannot normally lift is avoided.
The operation method comprises the following steps:
s1, the pull rod 804 is pulled, so that the moving plate 806 drives the triangular block 803 to move upwards, the limit of the limit block 809 is released, and the two first limit rings 601 are separated;
s2, placing the handheld tunnel crushing equipment on the upper surface of the supporting plate 3, enabling the two first limiting rings 601 to be mutually folded, enabling the triangular block 803 to be clamped into the limiting groove 808, and enabling the first limiting rings 601 to clamp the handheld tunnel crushing equipment;
s3, rotating the two first threaded rods 606 to enable the two first threaded rods 606 to push the two second limiting rings 603 to approach each other, and fixing the handheld tunnel crushing equipment in the second step;
s4, the worker carries the auxiliary mechanism to a working place, the two powerful motors 401 are communicated with a power supply, the two powerful motors 401 drive the second threaded rods 402 to rotate, the movable plate 406 pushes the supporting columns 408, and the height of the auxiliary mechanism is adjusted;
s5, the fixing seat 701 is rotated, the third threaded rod 706 pushes the fixing seat 701 to move downwards, and all four fixing seats 701 are in contact with the bottom surface;
s6, the worker rotates the handheld tunnel crushing device to enable the crushing end of the handheld tunnel crushing device to be aligned with the rock, then the handheld tunnel crushing device is pushed, the fixing column 502 drives the lantern ring 505 to slide on the outer surface of the sliding rod 504, and the handheld tunnel crushing device moves forwards to crush the tunnel;
s7, after the use, the staff pulls the pull rod 804, makes the triangle block 803 break away from the spacing groove 808, then two extension springs 6092 pull two loop bars 6091, two loop bars 6091 drive two first spacing rings 601 separation, and the staff takes off the hand-held tunnel crushing equipment can.
The working principle is as follows: when the tunnel needs to be crushed, the pull rod 804 is pulled to enable the moving plate 806 to drive the triangular block 803 to move upwards, the limit of the limit block 809 is released, the two first limit rings 601 are separated, the worker pushes the two first limit rings 601 to approach each other, the two first limit rings 601 drive the limit box 801 and the fixing block 807 to approach each other, the limit block 809 is clamped into the limit box 801, the triangular block 803 is clamped into the limit groove 808, the handheld tunnel crushing device is fixed for the first step, the worker can enable the two first threaded rods 606 to push the two second limit rings 603 to approach each other under the action of the first threaded pipe 605 by rotating the first threaded rods 606, the handheld tunnel crushing device is fixed for the second step, the auxiliary mechanism is transported to a working place, then the powerful motor 401 is electrically connected with a power supply, the operation of the powerful motor 401 drives the second threaded rod 402 to rotate, rotation through second threaded rod 402 can make spiral ring 403 drive fly leaf 406 go on, and through the lift of fly leaf 406, can promote support column 408 and go up and down to reach the regulation to the complementary unit height, the staff promotes at last and holds formula tunnel crushing equipment, makes it move slowly forward, carries out broken operation to the tunnel, thereby realizes effectively reducing staff's labour expenditure, improves work efficiency.
In the description of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. It is noted that, herein, relational terms such as "first," "second," and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.